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72results about How to "Improve support quality" patented technology
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Narrow-machine-body full-hydraulic bolt and anchor cable drill carriage for coal mine tunnel
InactiveCN102900362AMechanizationIncrease the level of mechanized supportAnchoring boltsCutting machinesEngineeringRock bolt
The invention relates to a narrow-machine-body full-hydraulic bolt and anchor cable drill carriage for a coal mine tunnel. The narrow-machine-body full-hydraulic bolt and anchor cable drill carriage comprises a machine body part, a lifting platform, a drill boom mechanism, crawler-type walking mechanisms and an electric cabinet, wherein the lifting platform is arranged at the machine body part through a foldable connecting rod and a lifting oil cylinder; the drill boom mechanism is arranged on the lifting platform through a feeding mechanism; the crawler-type walking mechanisms are arranged on two sides of the machine body part; and the electric cabinet is used for controlling the lifting oil cylinder and the crawler-type walking mechanisms. According to the narrow-machine-body full-hydraulic bolt and anchor cable drill carriage disclosed by the invention, the support of an anchor rod is completely mechanized, the support efficiency and the support quality of the bolt and anchor cable are greatly improved, the standardization degree is improved, the better stabilizing action is realized and the reliable use of the drill carriage and the safe operation of operators are fully ensured.
Owner:LANG FANG JING LONG GRAND IND MACHINERY CO LTD
Supporting method for roadway fully-mechanized drivage operation without withdrawal of roadheader
InactiveCN103195457AImprove support qualityReasonable process designMine roof supportsAnchoring boltsProcess engineeringEngineering
The invention relates to a supporting method for a roadway fully-mechanized drivage operation without withdrawal of a roadheader, aiming to solve the problems of bad safe reliability and complex operating processes of conventional roadway fully-mechanized drivage operations with withdrawal of roadheaders. The supporting method includes providing temporary supporting for a new roof exposed in the roadway fully-mechanized drivage operation by an associated operation with the roadheader, and performing a supporting operation of laying metal nets and steel belts on a roadhead by a roadway drivage alternating supporting device; performing a permanent supporting operation of punching anchor rods on the roof and two sides of the roadway in a roadway zone behind the roadheader by a movable roof bolter supporting platform; and conveying coal cut by the roadheader through a bridge reversed loader and a belt conveyer. The process design is reasonable; supporting and moving is stable; a roadway empty operation is avoided; supporting is safe and reliable; the conventional operation method that the roadheader is needed to be withdrawn in each step and operation procedures are alternated frequently is changed, so that the roadheader can drivage continuously without being withdrawn. Synchronous mechanical operation of drivage and permanent supporting can be realized, and utilization rate and drivage efficiency of the roadheader can be increased remarkably.
Owner:LIAONING TIAN AN TECH CO LTD
Tunnel excavation staggered type supporting device
ActiveCN102654060AImprove support qualityEliminate risk from high-hazard operationsMine roof supportsAnchoring boltsHydraulic cylinderRock bolt
The invention provides a tunnel excavation staggered type supporting device, which solves the problems in prior art of lagging supporting means, difficulty in moving, operation at a halt state, low efficiency and the like. The tunnel excavation staggered type supporting device comprises a hydraulic stand column as a support and a beam frame consisting of transverse beams and vertical beams. According to the technical main points, the beam frame comprises a girder frame and a secondary beam frame; auxiliary anchoring rod devices are arranged at the side parts of an auxiliary front beam and an auxiliary back beam; the front end of a main front vertical beam is hinged with a front beam assembly; a moving hydraulic cylinder is hinged between the main front beam and the auxiliary back beam; and the hydraulic stand column moves synchronously by means of assembling with a connecting rod together. The tunnel excavation staggered type supporting device provided by the invention has the advantages of reasonable structural design, stable supporting and moving, convenience in dismounting and maintenance, and high security and reliability. The tunnel excavation staggered type supporting device is entirely suitable for field and in-time support using conditions, can mechanically support an ejector plate which is just exposed to a tunnel excavation working face in time, can assist tunnel permanent supporting operations, such as an auxiliary screen, an anchoring rod and the like, and cover the continuous operation through a comprehensive mechanical excavator, so that the supporting quality and the excavation operation efficiency of the ejector plate of a tunnel can be obviously improved.
Owner:沈阳天安特种机器人有限公司
Telescopic tunneling immediate support device
ActiveCN102121390AQuick push and pull movementEnhancing the ratio of reasonable assignmentsMine roof supportsHydraulic cylinderOperating environment
The invention discloses a telescopic tunneling immediate support device, which effectively solves the problem of unavailable continuous roof contact or poor roof contact capability existing in the prior art during use. The support device comprises hydraulic upright posts, beams and longitudinal beams, and is characterized in that: the bottom of each hydraulic upright post is provided with a base;the beams comprise a front beam, a middle beam, a rear beam, a main support beam and an auxiliary support beam which are arranged in parallel with one another; the longitudinal beams comprise a frontelastic longitudinal beam, a middle elastic longitudinal beam, a rear elastic longitudinal beam, a front rigid longitudinal beam, a middle rigid longitudinal beam, a rear rigid longitudinal beam and a side rigid longitudinal beam which are arranged in parallel with one another and are vertical to the beams; a push hydraulic cylinder is hinged between every two beams respectively; and the elastic longitudinal beams and the rigid longitudinal beams are fixed on corresponding beams respectively, inserted in limiting guide sleeves of corresponding beams and driven to move along the limiting guidesleeve in a reciprocating way by the beams. The support device has the advantages of reasonable structural distribution, convenience for adjusting continuous roof contact, stable supporting and capabilities of improving the operating environment of workers, better meeting the requirement on matching job of an underground laneway support and a roadheader and remarkably improving the support quality and tunneling operation efficiency of a laneway top plate.
Owner:沈阳天安特种机器人有限公司
Retractable trapezoid support with cushion blocks
InactiveCN102493824AAvoid deformation damageImprove the support effectProps/chocksEcological environmentReinforced concrete
The invention provides a retractable trapezoid support with cushion blocks. The retractable trapezoid support consists of a top beam and two combined stand columns, wherein each of the combined stand columns is formed by fastening a column head, a column body and a longitudinal retractable body which is arranged between the column head and the column body by bolts which pass through screw holes of the column head and the column body through a clamping plate on which a strip groove is formed; two ends of the top beam are in curved surface connection with the combined stand columns through sliding cushion blocks; and a transverse retractable body is arranged between the top beam and each sliding cushion block. The retractable trapezoid support has high bidirectional contractibility and can adapt to the change of ground pressure of a laneway better. Through the retractable trapezoid support, a fabricated reinforced concrete trapezoid support which is out of use due to lack of high contractibility can be used again, the support effect of an I-shaped steel support can be further improved, the using amount of the I-shaped steel support can be reduced, the quality of the laneway support can be improved, the support cost can be reduced, steel consumption can be reduced, wood is not needed, and ecological environment preservation, energy conservation and emission reduction are facilitated.
Owner:庄炳元
Resin anchoring agent bag breaking and stirring device and bag breaking and stirring method
The invention discloses a resin anchoring agent bag breaking and stirring device which comprises a sleeve. An opening is formed in the lower end of the sleeve, at least two breaking cutters are uniformly and fixedly arranged at the top of the sleeve along a peripheral direction, the maximum rotation diameter of each breaking cutter is equal to the outer diameter of the sleeve, and a plurality of screw stirring ribs are arranged on the periphery of the sleeve at intervals. The invention further discloses a resin anchoring agent bag breaking and stirring device method. The device is simple in structure, convenient to use, reasonable in design and high in practicability and can effectively solve the problems that breaking effects of resin anchoring agent bags are not ideal, and anchoring force is affected in a current anchor rod or anchor cable support. An efficient device is provided for breaking of the resin anchoring agent bags, stirring effects of resin anchoring agents can be effectively improved, materials in the resin anchoring agent are more sufficiently mixed, important guarantee is improved for improvement of quality of the anchor rod or anchor cable support, a constructionprocess of an anchor rod or anchor cable support technique is innovated, and the device has great social and economic benefits.
Owner:HENAN POLYTECHNIC UNIV
Sharp inclination fully mechanized coal face open-off cut square supporting method
InactiveCN104141503AReduce labor intensityReduce maintenance costsUnderground chambersTunnel liningRock boltWood plank
The invention discloses a sharp inclination fully mechanized coal face open-off cut square supporting method, which comprises the step of roadway square supporting formed by top plate supporting, left wall supporting, right wall supporting and bottom plate supporting. In the steps of left and right wall supporting, a vertical angle in the anchor rod construction at the upper shoulder pit part is properly 30 degrees, and a vertical angle in the lower anchor rod construction is properly 120 degrees, so that an anchor net is tightly pasted with top and bottom plates at contact parts, after the open-off cut operation is carried out for square supporting for a distance, a group of gangue blocking plates is arranged along the coal face trends every 20 meters for preventing the upper wall caving, gangue roller and bottom pushing, the gangue blocking plates are arranged through using anchor piles (phi=36mm, L=1.2m) to be matched with wood plates, the height of the blocking plates is 0.5m, the two ends are sealed and aligned to the coal wall, and the anchor net is adopted above the wood plates for realizing the full sealing, a gangue blocking protection net is formed, and flying gangue is effectively intercepted and blocked.
Owner:LYUSHUIDONG COAL MINE OF SICHUAN HUAYINGSHAN COALIND
Special-shaped support equipment for ends of fully mechanized coal face
PendingCN108374684AReduce Convergence DeformationImprove support qualityMine roof supportsSpelunkingHydraulic cylinder
The invention provides special-shaped support equipment for ends of a fully mechanized coal face, and solves the problems of complicated support processes, great operation labor intensity, low supportstrength, poor safety and influence on the advance speed of the fully mechanized coal face in the prior art. The special-shaped support equipment comprises a front support bracket composed of a top beam and a base, and is characterized in that a swing front beam is arranged at the front end of the top beam of the front support bracket, and a front beam hydraulic cylinder is arranged between the swing front beam and the top beam of the front support bracket; a bracket moving hydraulic cylinder is arranged between a base of a rear top cutting bracket arranged behind the front support bracket and a base of the front support bracket; a top beam of the rear top cutting bracket is connected with the top beam of the front support bracket through a middle telescopic beam; and a top cutting deviceis arranged at the rear part of the rear top cutting bracket. The special-shaped support equipment is reasonably designed, is compact in structure, can perform full-section support and blockage on asuspending roof area of the tail of a transport machine, so as to reduce convergence and deformation of a laneway, can perform forced caving on a roof, and achieves low labor intensity, high support efficiency and safety and reliability in use.
Owner:陕西陕煤黄陵矿业有限公司
Method and system for constructing software system structure of telecommunication operation support system
This invention relates to a supportive software system creation method and its system, which is used to create a telecom operation supportive system software structure comprising the charging, settlement, operation, accounting, customer service or business analysis. The system comprises the following: a reference system to create the whole software system of the supportive system; a creation system to establish the supportive software system; a supportive software system by use of creation system.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD
Sequential construction and reversed construction Clockwise and counter-clockwise combined construction method of irregular planar deep foundation pit
ActiveCN104594358AImprove support qualityLow costExcavationsSocial benefitsArchitectural engineering
The invention provides a sequential construction and reversed constructionclockwise and counter-clockwise combined construction method of an irregular planar deep foundation pit. The method is characterized by comprising the following steps: step 1, preparation for construction; step 2, pile driving construction of engineering piles, a building envelope and support upright piles; step 3, foundation pit dewatering; step 4, first excavation; step 5, construction of first ground floor plate bottoms and beams of an inverse operating area, and construction of first supports of a central area and a narrow and long area; step 6, second excavation; step 7, repeating the steps 5 and 6 to carry out the excavation of a second ground floor and a third ground floor; and step 8, dismantling a support device. The construction method has the advantages of being better in supporting quality of foundation pit, safer to operate and relatively lower in construction cost, and the total period of construction can be shortened; furthermore, the construction method has the characteristics of advancement, novelty, energy conservationsaving, environmental protection and the like, and the significant social benefits can be realized.
Owner:NANTONG CONSTR PROJECT GENERAL CONTRACTING
Precise targeted bolting-grouting control method suitable for deep soft rock roadway
ActiveCN111911209AImprove support qualityGuaranteed long-term stabilitySurveyMining devicesStructural engineeringCrustal stress
The invention discloses a precise targeted bolting-grouting control method suitable for a deep soft rock roadway. Under the condition of high crustal stress, roadway surrounding rock has the characteristics of tensioning, shearing fracture, continuous deformation and the like with remarkable directivity, the spatial distribution characteristics of tensile-shear cracks of the roadway surrounding rock can be obtained and mastered through theoretical and experimental research, and by adopting an anchor net cable supporting and grouting reinforcement technology with certain objectivity and directivity, positioning control over directional fracture of roadway support can be efficiently achieved, and therefore accurate targeted control is achieved.
Owner:HEBEI UNIV OF ENG
Wall building formwork applicable to intelligent construction of vertical shaft
ActiveCN106351673ASimple structureReduce demoulding resistanceUnderground chambersTunnel liningMeasurement pointStructural engineering
The invention discloses a wall building formwork applicable to intelligent construction of a vertical shaft. The outer surface of the formwork is coated with a Teflon coating; a main body comprises a core frame cylinder, curve sliding rails and segmental sliding forms, and formwork supporting and releasing actions of the segmental sliding forms are realized by the aid of radial contraction indirectly produced by vertical traveling of the segmental sliding forms in the longitudinal direction through the curve sliding rails. Leveling and centering of the formwork are subjected to servo adjustment by corresponding hydraulic oil cylinders after pose determination by sensors, and circularity regulation is not needed. The formwork has basic function of a concrete pouring envelop structure as well as capacity of monitoring and evaluating the quality and an evolution process of cast-in-place concrete by means of setting of pressure, temperature, moisture and ultrasonic measurement points on the outer surface of the formwork. The formwork has the characteristics of being reasonable in structure, reliable in work, quick in action and capable of performing automatic centering and leveling and evaluating the pouring quality of the concrete in real time, and realizes intelligence of the construction process of the vertical shaft.
Owner:CHINA UNIV OF MINING & TECH
Cast-in-place box girder construction method
ActiveCN111851309AImprove integrityAvoid surface waterClimate change adaptationBridge structural detailsArchitectural engineeringRebar
The invention discloses a cast-in-place box girder construction method which comprises the steps that an assembly type foundation is connected with a foundation fastening bolt through a foundation connecting step, and a pier stud hoop is arranged on the outer side wall of a bridge pier stud; position control sand in the fine adjustment sand cylinder is recycled through the leaked sand recycling tank; a bottom plate inner support and a web plate inner support are arranged at the upper parts of the web plate moulding bed and the bottom plate moulding bed; a lower-layer lifting plate, an upper-layer lifting plate and a lifting connecting rod are arranged on the top plate reinforcement cage, and sliding clamping plates are arranged on the two sides of the top plate reinforcement cage; the space position of the outer mold side plate can be controlled by means of the side plate position control tenon and the side plate position control bolt, and the position of the box girder inner mold is controlled through the inner mold supporting body; the sliding material box can move along the limiting sliding rail and is provided with a pouring monitoring pipe. Support frame connecting hinges arearranged between the adjustable support frame and the bottom support frame and between the adjustable support frame and the top support frame, and the inclination angle of the adjustable support framecan be controlled through the angle adjusting vertical bolts and the angle adjusting transverse bolts. The accuracy of reinforcement cage positioning and concrete pouring construction control is improved, and the maintenance difficulty is reduced.
Owner:ANHUI HIGHWAY BRIDGE ENG CO LTD
Multifunctional operation rack suitable for tunnel construction
ActiveCN113074001AQuality improvementLow failure rateUnderground chambersTunnel liningArchitectural engineeringRock bolt
The invention provides a multifunctional operation rack suitable for tunnel construction. The multifunctional operation rack comprises a movable portal, and a concrete guniting device, a jumbolter device and a steel arch splicing device are arranged on the movable portal. The steel arch splicing device is arranged on the movable portal, so that the splicing process of the steel arch is mechanized, the jumbolter device and the guniting device are integrated, the system integration degree is high, cooperative and efficient operation can be achieved, the working efficiency is improved, the arch is timely supported, the supporting efficiency is high, the quality is more stable, and the safety of tunnel construction is improved.
Owner:CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
Leg rest apparatus
Owner:HYUNDAI MOTOR CO LTD +1
Underground diaphragm wall and construction method
ActiveCN110387874AImprove support qualityQuality improvementBulkheads/pilesSlurry wallMovement control
The invention relates to an underground diaphragm wall and a construction method. The underground diaphragm wall is characterized in that an inner supporting body is arranged between fabricated guidewalls, and the positions of guide wall inner molds can be controlled through the inner supporting body and corner supporting bodies; the transverse positions of a fixed supporting rod, a rotating supporting rod and a top rib bed-jig are dynamically controlled through a moving support; hoisting of an underground diaphragm wall reinforcement cage is carried out through an outer fastening hoisting plate and a hoisting connecting ring on a reinforcement end plate; an upper-layer support plate, a lower-layer support plate and an anti-floating press plate are adopted for limiting the vertical position of the underground diaphragm wall reinforcement cage; the longitudinal position of a casting platform plate is controlled through a wall-side rail and a sliding supporting body, the height of a lifting connector is controlled through a lifting control body, and the transverse position of a filling pipeline is controlled through a transverse movement connector and a transverse movement control body; and a rigid scraping plate and a flexible scraping plate are synchronously adopted for carrying out structural steel end plate wall brushing construction. The bundling and hoisting construction equality of the underground diaphragm wall reinforcement cage can be improved, the stress performance of the construction structure can be improved, and the concrete pouring construction quality can beimproved.
Owner:中峥建设集团有限公司
Pneumatic post drill
InactiveCN104100201AWith safety explosion-proofHigh torqueDerricks/mastsAnchoring boltsExplosion protectionEngineering
A pneumatic post drill is composed of a mainframe, a control console and a muffler through a flexible rubber hose. The pneumatic post drill which is a portable drill has the advantages of safety, explosion protection, high torque, high rotating speed, light weight, small size, high efficiency, simple structure, convenience in maintenance and the like. Therefore, the pneumatic post drill is high in working efficiency, good in support quality, low in labor intensity of workers, less in drilling footage cost and suitable for market promotion; the parts of the drill are connected through the flexible rubber hose, flexible arrangement on different downhole sites is facilitated, and the mainframe can be further disassembled when transportation conditions are poor. The drill is mainly applied to coal mines with coal and gas outburst and explosion risk, and can also be used for geologic structure coal seam exploration, water exploration, gas exploration, coal seam water injection and pressure hole relief as well as drilling of roadway side anchor bolt holes, stirring of anchor bolts and mounting of nuts. The drill can be further used for stirring of rock roadway resin anchor bolts and mounting of bolts, and is one of necessary devices in the coal mining industry.
Owner:ZOUCHENG YANKUANG TAIDE IND & TRADE CO LTD
Double-loop secondary expansion jack and application method
ActiveCN107265332AReduce the serious problem of prestress lossRealize unanchorLifting devicesHydraulic circuitRock bolt
The invention discloses a double-loop secondary expansion jack and an application method, and is suitable for underground coal mines. The double-loop secondary expansion jack comprises an upper piston jack and a lower piston jack; a fastening expansion device is arranged between the upper piston jack and the lower piston jack; hydraulic oil is fed in an ejector expansion liquid inlet cavity to realize primary expansion and hydraulic locking; hydraulic pressure is injected in a jacking anchorage pipe expansion liquid inlet cavity to realize secondary expansion and hydraulic locking; after expansion is finished, hydraulic oil is released in a jacking anchorage rod de-anchoring liquid return cavity to realize jacking anchorage pipe de-anchoring; the hydraulic oil is controlled to feed in a jacking press de-anchoring liquid return cavity to realize jacking press de-anchoring so as to finish whole expansion process; and an expansion liquid feeding hydraulic loop and a de-anchoring liquid return hydraulic loop are separately arranged on two sides of the jack. The double-loop secondary expansion jack is simple in structure and excellent in matching property with an anchor rope lock, improves effective prestress of a lock and a lock ring on a tray, improves the locking firmness degree of a lock cylinder of the lock, further improves the roof support quality, and guarantees the roof safety in construction.
Owner:陕西延长石油矿业有限责任公司
Large dip angle soft thick coal seam top coal roadway surrounding rock control method
PendingCN110566242AAvoid reworkAddressing Insufficient ControlUnderground chambersTunnel liningRock boltActive passive
The invention discloses a large dip angle soft thick coal seam top coal roadway surrounding rock control method. A roadway surrounding rock comprises I-beams and active-passive combined roadway protecting devices. Each active-passive combined roadway protecting device is composed of I-beam supports, protecting plates, I-beam buckles, anchor cables, locksets and screw connecting components, whereinthe I-beam supports, the protecting plates and the I-beams are matched in pairs, and the anchor cables, the protecting plates and the I-beams are matched in pairs; the three I-beam supports and the six anchor cables form the one active-passive combined roadway protecting device, the I-beam supports are arranged in parallel in a spaced mode, each protecting plate is arranged on the corresponding same side surfaces of the multiple I-beam supports in a penetrating mode, the protecting plates are connected with the I-beam supports through the I-beam buckles and the screw connecting components correspondingly, the anchor cables which are parallel to the I-beam supports penetrate through the protecting plates vertically, the I-beam supports and the anchor cables are staggered, and the anchor cables are connected with the protecting plates through the locksets correspondingly; and large dip angle soft surrounding rock roadway supporting is achieved, and the problem that pure anchor rod supporting or pure I-beam support supporting has inadequate control over a soft rock roadway is solved.
Owner:义煤集团宜阳义络煤业有限责任公司 +1
Tunnel excavation staggered type supporting device
ActiveCN102654060BImprove support qualityEliminate risk from high-hazard operationsMine roof supportsAnchoring boltsHydraulic cylinderRock bolt
Owner:沈阳天安特种机器人有限公司
Construction method of inclined cable tower construction structure system
The invention relates to a construction method of an inclined cable tower construction structure system, which comprises the following steps of: 1) construction preparation; 2) arrangement of a combined support frame and a combined grid frame; 3) binding of cable tower steel bars; 4) installation of a tower cable guide pipe; 5) construction of a sliding moulding plate; 6) arrangement of a groutingguide pipe; and 7) concrete maintenance construction of the cable tower. The construction method of the inclined cable tower construction structure system has the advantages that arrangement efficiency of the combined support frame and the combined grid frame can be improved, integrity of the structure can be enhanced, and supporting quality of the sliding moulding plate can be effectively improved; positioning of the cable tower steel bars is accurate, connection is convenient, binding construction quality of longitudinal steel bars and transverse stirrups can be effectively improved, and on-site construction difficulty is reduced; and on-site arrangement of the concrete grouting guide pipe is convenient, an inclination angle of the grouting guide pipe can be dynamically adjusted according to an inclination condition of the cable tower, on-site positioning difficulty is reduced, and concrete pouring quality is improved.
Owner:ANHUI HIGHWAY BRIDGE ENG CO LTD
Wall rock destabilization acousto-optic-electric integrated monitoring system and monitoring method thereof
InactiveCN101526009BMake up for prone to distortionMake up for distortionMining devicesTesting machinesIntegrated monitoringAcoustic emission
The invention discloses a wall rock destabilization acousto-optic-electric integrated monitoring system and a monitoring method thereof, wherein the monitoring system comprises an optical drilling sighting apparatus fractionally monitoring the wall rock damage condition of the inner all of the same drilling hole, an acoustic emission device and a drilling hole stress meter, and a control receiverconnected with the drilling hole stress meter, the acoustic emission device and the optical drilling sighting apparatus. The monitoring method comprises the following steps: firstly, drilling on the edge of a laneway; secondly, monitoring: monitoring the inner wall of the drilling hole by the optical drilling sighting apparatus, and then further monitoring the inner wall of the drilling hole by the acoustic emission device, secondarily monitoring the inner wall of the drilling hole by the optical drilling sighting apparatus, at last monitoring the wall rock stress of the inner wall of the drilling wall of the drilling hole stress meter; thirdly, collecting all monitoring results, and differentiating and analyzing the wall rock damage destabilization condition. The invention has reasonabledesign, simple use and operation, and accurate monitoring result, and can effectively solve the practical problems of poor accuracy, distorted data, failure monitoring under some special environment,and the like caused by the prior single monitoring method.
Owner:XIAN UNIV OF SCI & TECH
Preparation device and backfilling method for flow-state cement soil
InactiveCN105256804ASolve the small spaceSolve the difficulties of poor construction roadsEmbankmentsBasementCement paste
The invention discloses a preparation device and backfilling method for flow-state cement soil. The preparation device for the flow-state cement soil comprises a flow-state cement soil preparation pool and cement soil stirring and guniting drill bits. An opening is formed in the upper portion of the flow-state cement soil preparation pool and supporting track guide rails are arranged on the two sides of the top of the flow-state cement soil preparation pool and provided with supporting frames. The cement soil stirring and guniting drill bits are arranged in the flow-state cement soil preparation pool. One end of each cement soil stirring and guniting drill bit is exposed out of the corresponding supporting track guide rail and connected with a motor and a cement paste conveying pipe through the corresponding supporting frame and the other end of each cement soil stirring and guniting drill bit extends into the flow-state cement soil preparation pool and is used for stirring the cement soil. By the adoption of the preparation device and backfilling method for the flow-state cement soil, replacing and supporting quality is improved, the construction progress is improved at certain degree, and the replacing and supporting effect is good. In addition, the cement soil has certain beneficial influences on basement water resistance.
Owner:吕少雅
Leakage-proof stope face roof
InactiveCN103046939AImprove support qualityGuaranteed safe recoveryMine roof capsRelative displacementCoal
The invention relates to a leakage-proof stope face roof comprising supporting columns arranged at an interval and a beam erected on the supporting columns. The bottoms of the supporting columns are fixed on a tunnel bottom plate, the beam is fixedly arranged at the tops of the supporting columns, a filling buttress is filled between one side, facing the side wall of a tunnel, of one supporting column and the supporting column, the upper side of the beam faces a top plate of a tunnel, and fillers are filled between the beam and the top plate. The stope face protection roof is capable of improving supporting quality and guaranteeing stoping safety, cohesive force and an internal friction angle between a fracture and a coal-rock mass are increased by means of erecting a Malisan material layer, resistance of relative displacement between the inside of a rock mass and a stope face is increased, and integral stability of the coal-rock mass and stoping safety are improved.
Owner:辛慰
Multifunctional economical embankment structure for water conservancy construction
InactiveCN113957849APrevent moving to the rightEasy to useDamsDykesArchitectural engineeringStructural engineering
The invention provides a multifunctional economical embankment structure for water conservancy construction. The structure comprises a mounting mechanism. A limiting part is mounted in the mounting mechanism, an embankment part is mounted on the left side of the top of the mounting mechanism, a floating device is mounted in the embankment part, and two reinforcing mechanisms are mounted in the embankment part; the number of the supporting devices is two, the two supporting devices are mounted on the top of the mounting mechanism, and the tensioning devices are mounted on the outer sides of the two supporting devices; and two connecting devices and two driving mechanisms are mounted on the right side of the embankment part. When the water level is higher than a floating plate, the floating plate is driven to move upwards under the buoyancy effect of water, so that when the floating plate moves upwards, the two reinforcing pieces move inwards at the same time under the acting force of the tension springs, at the moment, the two reinforcing pieces are separated from fixing holes, so that a telescopic plate is driven to move upwards under the action of the floating plate. Thus, the embankment height can be automatically adjusted according to the water level.
Owner:LIAOCHENG YELLOW RIVER ENG BUREAU
Sleeve assembly capable of improvinganti-shearing performance of anchor rod and anchor rod comprising sleeve assembly
The invention belongs to the field of auxiliary components of anchor rods, and particularly relates to a sleeve assembly capable of improving the anti-shearing performance of an anchor rod and the anchor rod comprising thesleeve assembly. The sleeve assembly comprises a sleeve (2), the sleeve (2) is arranged at the inner side end, provided with a tray (4), of an anchor rod body (1), and an O-shaped sealing ring (3) is arranged between the sleeve (2) and the anchor rod body (1); the sleeve assembly further comprises an iron spacer (7) arranged at the outer side end of the tray (4) of the anchorrod body (1), a plastic washer (6) and a ball pad (5), and a fixed damping nut (8) is arranged at the outer end of the ball pad (5). The whole design can effectively reduce the amount of anchor rod fracturing caused by staggering of holes and surrounding rock, improve the anti-shearing capacity of an anchor rod supporting system, reduce cost of supplementary driving of anchor rods, reduce manuallabor of workers, improve the supporting effect of the anchor rods, and improve the safety ofroadway supporting.
Owner:TAIAN TAISHUO STRATUM CONTROL SCI & TECH CO LTD
High temperature superconducting synchronous rotor coil having multi-piece rotor core
InactiveUS20050001507A1Shorten the production cycleImprove support qualityWindingsMagnetic circuit rotating partsHigh temperature superconductingEngineering
A rotor core and winding assembly including: separable rotor core sections assembled to form the rotor core, where the core sections each have a substantially circular perimeter and are axially aligned when assembled as the core, and the winding assembly includes a pre-assembled superconducting field winding and a winding support, wherein the winding support extends between adjacent core sections in the assembled rotor core.
Owner:GENERAL ELECTRIC CO
Head and face bearing tool for medical plastic repair
The invention discloses a head and face bearing tool for medical plastic repair, which relates to the technical field of medical instruments and comprises a mounting assembly, an angle adjusting mechanism, a face bearing assembly, a head bearing structure, a clamping device, an anti-pinch assembly, a connecting mechanism, a pressing rod mechanism, a push rod mechanism, an adjusting mechanism and a guide mechanism. Medical staff can conveniently adjust the bearing angle through the angle adjusting mechanism, and the medical staff can conveniently and rapidly switch according to bearing parts through the face bearing assembly and the head bearing structure which are arranged on the two sides of the mounting assembly; the clamping device is matched with the adjusting mechanism, the guiding mechanism and the connecting mechanism so that the clamping force and the clamping posture can be conveniently adjusted, the comfort of a user can be improved through the anti-clamping assembly, the clamping stability of the structure can be improved through the pressing rod mechanism and the pushing rod mechanism, and the problems that in the prior art, applicability is not high, and the clamping force is large are solved. And the angle, the clamping force and the clamping stability cannot be controlled.
Owner:HENAN UNIV HUAIHE HOSPITAL
Operation rack for tunnel supporting construction
ActiveCN113074005AQuality improvementLow failure rateUnderground chambersTunnel liningRobot handArchitectural engineering
The invention provides an operation rack for tunnel supporting construction. The operation rack comprises a movable portal, and a concrete guniting device, a jumbolter device and a steel arch splicing device are arranged on the movable portal; and the steel arch splicing device comprises a moving mechanism used for moving the steel arch and a grabbing mechanical arm used for grabbing the steel arch, and the grabbing mechanical arm is matched with the moving mechanism. The steel arch splicing device is arranged on the movable portal, so that the splicing process of the steel arch is mechanized, the jumbolter device and the guniting device are integrated, the system integration degree is high, cooperative and efficient operation can be achieved, the working efficiency is improved, the arch is timely supported, the supporting efficiency is high, the quality is more stable, and the safety of tunnel construction is improved.
Owner:CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
Anchor cable drilling machine for mining
InactiveCN107503777AImprove securityEasy to processDerricks/mastsAnchoring boltsDrilling machinesSafety coefficient
The present invention relates to a mine mining equipment, in particular to a cable-anchor drilling rig for mining, which comprises a main body of a cable-anchor drilling rig, a main body of a cable-anchor drilling rig, a telescopic rod and an anchor rod connected in sequence, and the bottom of the main body of a cable-anchor drilling rig is sequentially arranged from left to right There are a booster, a slideway plate and a gradient gauge, the main body of the cable anchor drilling rig is placed on the slideway plate, the slideway plate is connected with a support, a storage box is arranged on the support, and the bottom of the support is connected with wheels. The invention has the advantages of simple processing, convenient operation, firmness and durability, and low cost, greatly improves the support speed and support quality, improves the safety factor of construction personnel, and creates conditions for realizing rapid and comprehensive mechanized excavation.
Owner:SHANDONG HUALIAN MINING
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