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68results about How to "Reduced risk of slippage" patented technology
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Fire-reconnoitering and fire-extinguishing robot and operation method thereof
ActiveCN109303994ASolve problems such as slipping and falling beltsHigh efficiency transmissionFire rescueObstacle avoidanceSupport belt
The invention discloses a fire-reconnoitering and fire-extinguishing robot. The fire-reconnoitering and fire-extinguishing robot comprises a caterpillar chassis, a fire-extinguishing water cannon anda reconnoitering mechanism, wherein the fire-extinguishing water cannon and the reconnoitering mechanism are arranged on the caterpillar chassis; the caterpillar chassis is composed of a chassis body,a chassis shell, a suspension cross beam, driving wheels, a driven wheel set, support belt wheel sets, bearing wheel sets, damping plate sets, elastic components, an approach wheel set, tensioning mechanisms, an obstacle avoidance assembly, a warning assembly, a driving assembly, a controller, a wireless transmission assembly, caterpillar assemblies, a dustproof cover plate, searchlights and a lithium battery. Through the fire-reconnoitering and fire-extinguishing robot, the problem of slippage and removal between the driving wheels and the caterpillar is solved; the efficient transmission between the driving wheels and the caterpillar is achieved; the adhesion performance between a suspension system with the caterpillar in the obstacle surmounting process is ensured; the stability of therobot when surmounting the obstacles and climbing can be also improved; the function of tensioning the suspension system on the robot is achieved; the safety and the stability of movement of the robot are further improved; the maintenance difficulty and the usage cost of the robot are reduced.
Owner:SHANDONG GUOXING SMARTECH CO LTD +1
Combined member for co-constructing deep soft foundation river way and river embankment and construction method
InactiveCN103981876ASolve deformation coordination problemsSave landDamsRoadwaysWater dischargeRiver bed
The invention relates to the technical field of civil construction engineering and particularly relates to and discloses a combined member for co-constructing a deep soft foundation river way and a river embankment. The combined member comprises an embankment subjected to foundation treatment, a river bank retaining wall built at a slope toe of an embankment slope, and a river bed dug at the outer side of the retaining wall; a river way is composed of the retaining wall and the river bed; a foundation adopts a solidification water discharging method or flexible pile compound foundation; anti-sliding piles are buried below a slope body region of the embankment slope and an embankment earth shoulder. The invention further discloses a construction method of the combined member. The construction method sequentially comprises the following steps: partially unloading the embankment after the embankment is pre-pressed; piling the anti-sliding piles, an inclinometer and a retaining wall pile and building the river bank retaining wall; digging the river way and monitoring slope deformation; recovering embankment filling and the like. With the adoption of the combined member and the construction method thereof, the river way is very close to the embankment foundation and the land is saved; the foundation can be treated by using the solidification water discharging method and the construction cost is low; the slip risks can be effectively reduced and the deformation coordination problem between the members can be solved well; the combined member has the advantages of economical efficiency, safety and environmental friendliness.
Owner:路港集团有限公司 +1
Border dike water bag strip, water storing border dike, and method for performing water bag strip pile-loading and prepressing
The invention relates to the technical field of civil engineering and construction, and in particular relates to and discloses a border dike water bag strip, a water storing border dike, and a method for performing water bag strip pile-loading and prepressing. The border dike water bag strip comprises a water bag strip body at an outer layer, wherein water is poured in the water bag strip to form a water pouring layer; an air bag strip is also arranged in the water bag strip body; the volume of water in the water pouring layer is in balance with the air pressure in the air bag strip, so as to keep the water bag strip body full and in a great shape. The water storing border dike comprises two transverse isolation dikes and a longitudinal base, wherein the border dike water bag strip is horizontally positioned on the base and is in sealing connection with the isolation dikes to encircle a rectangular structure; at least one waterproof film layer is paved at the bottom part of the rectangular structure and forms a sealed water storing groove with the rectangular structure. A method for performing the water bag strip pile-loading and prepressing ca perform the pile-loading and prepressing for an embankment through the aforementioned water storing border dike. According to the border dike water bag strip, the water storing border dike, and the method for performing water bag strip pile-loading and prepressing, the prepressing water load is sufficient, so that the prepressing effect is good; the settlement and deformation can be easily monitored; the advantages of safety, environmental protection, economy, high operability and recyclability are achieved.
Owner:ZHEJIANG SCI-TECH UNIV
Degradable zinc alloy peritoneoscope hemostatic clip and preparing method thereof
Disclosed are a degradable zinc alloy peritoneoscope hemostatic clip and a preparing method thereof. The degradable zinc alloy peritoneoscope hemostatic clip is made of a zinc alloy. As for the components of the zinc alloy, an alloy element Mg is added into a pure zinc matrix. The degradable zinc alloy peritoneoscope hemostatic clip has the advantages that by introducing an arc structure and additionally arranging a lock catch, anti-slide insections and a limiting protrusion, stress concentration after the metal hemostatic clip is closed is effectively improved, meanwhile the clamping propertyof the hemostatic clip is effectively improved, and the risk of sliding off of the hemostatic clip after an operation is reduced; zinc is a necessary element of the human body, the good biocompatibility and absorbability are achieved by using the hemostatic clip prepared through the zinc alloy, and meanwhile, the service time of the hemostatic clip is increased obviously through the appropriate degradation in vivo characteristic of the hemostatic clip; the hemostatic clip is simple and easy in structure and simple in preparation technology, and the preparation cost is reduced effectively; andthe designed and prepared hemostatic clip fully meets the clinical use requirement.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY
Integral jointing method of cantilever beam of self-elevating drilling platform
ActiveCN104420453AOffset the impactNo precision requiredArtificial islandsUnderwater structuresCantilevered beamMarine engineering
The invention provides an integral jointing method of a cantilever beam of a self-elevating drilling platform. The method is characterized in that the cantilever beam and a main hull are jointed; a towing position, a supporting point and a clamping point are arranged on the main hull in advance, wherein the supporting point is used for supporting the cantilever beam during drilling, and the clamping point is used for fixing the end part of the cantilever beam; a ballast system in a preset ratio is arranged on the main hull. The method comprises the steps of providing a barge on which a barge ballast system is arranged, and initially aligning and positioning the barge with the main hull; B, launching the cantilever beam to the barge through a slipway; C, accurately aligning and positioning the main hull with the barge; D, sliding the cantilever beam to reach the preset position on the main hull to finish the jointing of the cantilever beam and the main hull, wherein the floating states of the main hull and the barge are gradually adjusted during sliding. With the adoption of the method, the integrity of a cantilever beam module can be ensured, the problem of renting a large floating crane or a shore crane can be solved, and the risk that the pile insertion is failed to cause the failure of integral jointing can be avoided.
Owner:CIMC OFFSHORE ENG INST +3
Blowout prevention packer
The invention relates to a blowout prevention packer applied to oil production engineering of petroleum and nature gas industry and solves the problems of packing of oil-gas production layer and downhole blowout prevention. The technical scheme adopted by the invention is as follows: a sliding pin is fixed in a pin hole in the lower part of a locking cylinder; locking steel balls are mounted in three through holes in the middle part of the locking cylinder; the upper end of a connection cylinder is in screwed connection with the lower end of the locking cylinder; the lower end of the connection cylinder is in screwed connection with the upper end of an anchoring cylinder; an upper spacer ring, a sealing adhesive cylinder and a lower spacer ring are integrally sleeve the outer circle of the connection cylinder; anchoring claws are mounted in three groups of step through holes in the upper part of the anchoring cylinder; the upper end of a sealing core shaft is in screwed connection with the lower end of an oil sealing core shaft; the lower end of the sealing core shaft is in screwed connection with a ball seat; the ball seat is mounted on the raised step surface at the lower part of an inner cavity of a lower joint; a sealing steel ball is mounted on the ball surface in the center of the upper end surface of the ball seat. The blowout prevention packer is capable of sealing and unsealing by using a manner of injecting liquid into tube pillars, is convenient and simple to control, and is also capable of automatically achieving downhole high-pressure sealing in a case of blowout and ensuring safety in production.
Owner:SOUTHWEST PETROLEUM UNIV
Electric tricycle
ActiveCN109178184AIncrease turning forceAvoidance of Locking FlawsCyclesCycle brakesAgricultural engineeringDisc brake
The invention discloses an electric tricycle, comprising chassis wheels, wherein the wheels comprise a front wheel and two rear wheels; the front wheel is provided with a brake unit; the brake unit comprises a main shaft, a chuck and a buffer disk; the main shaft is provided with a diamond block and a connecting rod mechanism; the diamond block is provided with a chuck; the chuck is provided witha chuck slot; a cylindrical spring is arranged between the chuck block and the diamond block; and a scroll spring is arranged between the buffer disk and the chuck. The present invention utilizes therelative rotating between the buffer disk and the chuck, so that upon brake, The wheel can produce a certain brake cushioning distance, thereby avoiding the defect that the disc brake locks the wheelat the instant of braking, thereby reducing the risk of wheel skidding, changing the traditional friction braking mode, and avoiding the wear problem after the transmission friction braking mode is used for a long time.
Owner:XUZHOU DEGAO ELECTRIC VEHICLE TECH CO LTD
Two-way pre-stress clamping device used for spine implant and installing method thereof
ActiveCN105455927AReduced risk of slippageEasy to passJoint implantsSpinal implantsPre stressPre stressing
A two-way pre-stress clamping device used for a spine implant comprises a screw (1), a U-shaped piece (2), a support (3), a cover plate (5), a pre-stress piece and a clamping connection piece (9). The U-shaped piece (2) comprises a U-shaped piece bottom plate and two U-shaped piece side walls with inwards-protruding transverse pre-stress pieces (4) arranged on the inner surface. The bottom face of the U-shaped piece bottom plate is fixedly connected with the screw (1), and the top face of the U-shaped piece bottom plate is provided with the support (3). The support (3) comprises a two support upper limbs forming a containing groove. The cover plate (5) comprises a cover plate top plate and two cover plate lower limbs. The clamping connection piece (9) comprises a clamping connection piece base and two clamping connection piece lower limbs. A pressing piece (6) is arranged on the lower surface of the cover plate top plate. A gasket (8) is arranged on the upper surface of the clamping connection piece base. The cover plate (5) and the clamping connection piece (9) are connected into a whole through a vertical pre-stress piece (7). The device is easy and convenient to install, multiple clamping guarantees are adopted, the slippage risk of an elastic connection element is reduced, and effective transmission of force between adjacent vertebrae is improved.
Owner:徐州徐工精密工业科技有限公司
Mechanical and hydraulic double-acting inclination guiding device anchoring tool
ActiveCN111206896AReduced risk of slippageWon't retractBorehole/well accessoriesGear wheelHydraulic machinery
The invention relates to a mechanical and hydraulic double-acting inclination guiding device anchoring tool used for fixing an inclination guiding device for oil gas well casing pipe interior openingwindow side drilling. The mechanical and hydraulic double-acting inclination guiding device anchoring tool solves the problem that during thick-wall casing pipe and double-layer casing pipe window opening side drill work, anchoring of the inclination guiding device is not reliable. According to the technical scheme of the mechanical and hydraulic double-acting inclination guiding device anchoringtool, the lower portion of a gear connector is provided with a gear retainer, a center gear is engaged with a planet gear, the planet gear is engaged with a sun gear, the sun gear is in threaded connection with an upper shell, the upper end of a middle connector is in threaded connection with the upper shell, the lower end of the middle connector is in threaded connection with a lower shell, and alower connector is connected with the lower shell through a shear pin; the upper end of an upper center shaft is in threaded connection with the center gear, the lower end of the upper center shaft and the upper end of a limiting shaft are in threaded connection, the upper end of a lower center shaft is in threaded connection with the lower end of the limiting shaft, and the lower end of the lower center shaft is in threaded connection with the lower connector. By means of the mechanical and hydraulic double-acting inclination guiding device anchoring tool, the inclination guiding device is anchored under the hydraulic and mechanical dual actions, the anchoring effect of the anchoring tool is improved, damage caused by cutting torque is improved, and the sliding risk of the inclination guiding device is reduced.
Owner:大庆市奈固石油机械设备制造有限公司
A kind of anti-blowout packer
Owner:SOUTHWEST PETROLEUM UNIV
Setting device for windowing sidetrack drilling
ActiveCN113123745ABig angleReduced risk of slippageDirectional drillingBorehole/well accessoriesWindow openingEngineering
The invention discloses a setting device for windowing sidetrack drilling. The device comprises a barrel body assembly, an input head and a center shaft, wherein a slip groove is formed in a barrel wall of the barrel body assembly, and a slip is arranged in the slip groove; the input head is rotatably and axially movably arranged in the barrel body assembly, and the input head is used for being connected with an external whipstock; the center shaft is rotatably and axially movably arranged in the barrel body assembly and is in transmission connection with the input head, the center shaft is provided with a cam cone, the cam cone is provided with a large end and a small end, the cross section of the cam cone is in a cam shape, when the center shaft moves to the slip ejection position in the direction from the small end to the large end relative to the barrel body assembly, the center shaft is axially positioned at the slip ejection position relative to the barrel body assembly, the cam cone pushes the slip to turn over outwards, the center shaft rotates relative to the barrel body assembly to the high point of the outer cam surface of the cam cone to act on the slip, and the cam cone pushes the slip to turn over outwards by a larger angle. The meshing force between the slip and a casing pipe is increased, and the risk of slippage in the windowing sidetrack drilling process is reduced.
Owner:中石化石油工程技术服务有限公司 +2
Surgical cart pedestal with parking function
ActiveCN107320277AIncrease support distanceReduced risk of slippageOperating tablesEngineeringOperating table
The invention discloses a surgical cart pedestal with a parking function. The surgical cart pedestal comprises a pedestal body, a first parking mechanism arranged at the bottom of the pedestal body and distributed in a triangular shape; the first parking mechanism comprises a foot rest, a supporting leg used for controlling the parking of the pedestal body, and a connection rod mechanism which controls lifting of the supporting leg via the foot rest; idle wheels are arranged under the pedestal body, and used for driving the pedestal body to slide. The device is provided with the extensible movable supporting leg, so that supporting distance of a support in the length direction is increased, and thus the support pedestal can be flexibly applied to occasions with different supporting requirements. Meanwhile, the parking mechanism is arranged at the support pedestal, so that stability during a surgical process is increased, and the sliding risk of an operating table is reduced.
Owner:CHENGDU BORNS MEDICAL ROBOTICS INC
Braking control device and method for new energy automobile
InactiveCN111561529AComplete structurePlay a protective effectNoise/vibration controlFriction liningNew energyControl theory
Owner:付延超
New energy automobile brake control device
ActiveCN110735867AHigh strengthImprove carrying capacityNoise/vibration controlFriction liningNew energyControl theory
The invention discloses a new energy automobile brake control device. The new energy automobile brake control device comprises a brake disc, wherein a brake caliper is arranged on the edge of the outer side of the brake disc in a sleeving mode, the brake caliper comprises a cover plate and an operation frame which are fixed together through a bolt, a second brake disc and a first brake disc are respectively arranged on side walls, close to each other, of the cover plate and the operation frame, the first brake disc comprises a flat-plate-shaped bottom plate, positioning blocks are fixed at twoends of the bottom plate through bolts, long-strip-shaped friction plates are fixed on the bottom plate through bolts, a dummy plate is tightly pressed between each two adjacent friction plates, andan adjustment piece is bound in each positioning block. The second brake disc and the first brake disc realize buffering through an arranged buffering structure in braking, and good protection effectis achieved.
Owner:宜兴市环湖电器有限公司
Display panel, manufacturing method thereof and display device
ActiveCN113077721ACushion stretch effectBuffer stretch effectIdentification meansDisplay deviceEngineering
The invention discloses a display panel, a manufacturing method thereof and a display device. The display panel includes a foldable area, and a first stress buffer layer; and the first stress buffer layer comprises a first stress buffer structure, the first stress buffer structure is located in the foldable area, and the first stress buffer structure comprises a plurality of grooves formed in the first stress buffer layer, the inner surfaces of the grooves comprise a plurality of protruding parts. According to the display panel, manufacturing method thereof and display device of the embodiment of the invention, the stress of a film layer can be buffered when the display panel is folded, so that the phenomenon of unevenness of creases caused by folding of the display panel is reduced, the display effect is ensured, and the user experience is improved.
Owner:HEFEI VISIONOX TECH CO LTD
Pipe piece hoisting system and hoisting method
PendingCN114320347APrevent safety hazards such as fallingImprove lifting efficiencyUnderground chambersTunnel liningTransit systemMachine
The invention discloses a duct piece lifting system and a lifting method. The problem that an existing duct piece lifting system is not suitable for large-gradient duct piece lifting is solved. The duct piece lifting system comprises a rubber wheel conveying device, a duct piece quick unloading device, a suction cup type duct piece crane and a duct piece conveying device. The suction cup type segment crane comprises a walking frame body, an inclination angle adjusting mechanism is arranged on the walking frame body, a vacuum suction cup is arranged on the lower portion of the inclination angle adjusting mechanism, and an anti-falling mechanism is arranged on the vacuum suction cup. Synchronous lifting mechanisms are arranged on the two sides of a walking bottom frame of the duct piece conveying device, and limiting mechanisms are arranged on a sliding frame and a jacking frame. The material transportation system is an important component of shield method construction, and the design quality of the material transportation system is directly related to the whole machine performance and the overall construction. Compared with a conventional transportation mode, the novel material transportation system is adopted under the large-gradient working condition, the construction efficiency is greatly improved, the construction period is effectively shortened, meanwhile, the construction cost is reduced, and the construction safety and civilization are improved.
Owner:CHINA RAILWAY ENGINEERING EQUIPMENT GROUP CO LTD
A new energy vehicle brake control device
ActiveCN110735867BComplete structurePlay a protective effectNoise/vibration controlFriction liningNew energyEngineering
Owner:宜兴市环湖电器有限公司
Wheel rim driving device
PendingCN110435410AReduced risk of slippageStress condition is goodTyresStatic/dynamic balance measurementElectric machineryTorque tube
The invention relates to a wheel rim driving device, and belongs to the technical field of engineering machinery transmission. The device includes a motor which is mounted on the outer side of a wheelframe to determine a spin axis, the inner output end of the motor is connected with a torque tube supported on the wheel frame through a gear device, the torque tube is fixedly connected with the inner end of a wheel hub sleeving outside the motor, and the outer end of the motor is connected with the wheel frame through a braking device and connected with the outer end of the wheel hub to form anouter sealing device, wherein the two ends of the wheel hub are fixedly connected with the outer end of an inner rim and the inner end of an outer rim in a sleeving mode correspondingly. Compared with the prior art, according to the wheel rim driving device, the wheel hub and the inner and outer rims are independently fastened and connected, the slip risk of the intermediate friction surface torsion is significantly lowered, stress when bolts are clamped, fastened and connected is only half the original, the stress condition is better, in addition, a hub adapter is reduced, and the structureis simpler.
Owner:CRRC QISHUYAN INSTITUTE CO LTD
Two-wheeled pedal type electric bicycle with insert connection child seat
The invention discloses a two-wheeled pedal type electric bicycle with an insert connection child seat.The two-wheeled pedal type electric bicycle comprises a bicycle body (1), a bicycle seat (2) and a child auxiliary seat (3).The bicycle body below the front of the bicycle seat is provided with a vertical auxiliary seat bin (12), and the auxiliary seat bin comprises a bin door which is opened or closed up in a left-right mode.The child auxiliary seat is hinged to the front end of the bicycle seat and comprises a seat plate (31), a longitudinal beam (32), a telescopic supporting beam (33) and a hinged lug base (34).The longitudinal beam is of a groove steel structure with a downward notch and is fixedly installed on the bottom plane of the seat plate.The telescopic supporting beam is of a rod-shaped structure matched with the size of the inner wall of a groove-shaped structure of the longitudinal beam and is in connected into the longitudinal beam in an inserted mode.The hinged lug base is fixedly installed at the rear end of the longitudinal beam.A hasp (11) matched with a hasp mechanism of a hinged supporting beam is arranged at the position of the inner side of a bicycle head above a pedal of the bicycle body.The pedal type electric bicycle is provided with the child auxiliary seat, no extra space is occupied, children can ride on the electric bicycle conveniently, and a driver can get on or off the electric bicycle conveniently.
Owner:SUQIAN HUAIHAI TECH SERVICES
Convenient type tea picking machine
The invention discloses a convenient type tea picking machine, and relates to the field of tea leaf picking. The tea picking machine includes a machine body, a shearing tool unit is arranged at one end of the machine body, a hook is arranged at the other end of the machine body, an air blower is arranged above the shearing tool unit, one end of an air feeding pipe is connected with the air blower,the overall shape of a hanging rod is V shape, the hanging rod is welded on the upper side of the machine body, a tea storage bag is connected with a hanging hook, a hanging ring is fixed on the teastorage bag, one end of a hanging rope is connected with the hanging rod, the other end is connected with the hanging ring, the length of the hanging rope is less than the length of the hanging rod inthe vertical direction, and the height of the tea bag is lifted by the hanging rope to the height above a tea ridge through the hanging ring. A handle is double handed and the surface of the handle is provided with non-slip threads, the handle is welded on the side face of the machine body, the tea bag is made of Oxford cloth, the length is 1.5 meters to 2 meters, and breathable mesh holes are formed in one side face of the tea storage bag. According to the convenient type tea picking machine, the problems that tea picking is low in efficiency, the tea storage bag is easily scratched by tea ridge, the operation of the tea picking machine is low in smoothness, the tea picking machine is easily slipped off, fresh leaves are easily oxidized and the load of operation staff is excessive can besolved.
Owner:池州市贵池区七山茶厂
Apparatus for preventing esophageal lumen stenosis after ESD (endoscopic submucosal dissection)
The invention discloses an apparatus for preventing esophageal lumen stenosis after ESD (endoscopic submucosal dissection). The apparatus comprises an air sac and an inflation tube, wherein the air sac is in the shape of a tube in the inflation condition, a magnetic force closure device is arranged at the bottom of the air sac, the inflation tube extends into a lumen of the air sac from the magnetic force closure device, and fixing rings are arranged at outside edges of the top and the bottom of the air sac; the magnetic force closure device comprises two or more sealing slices and an inflation hole, wherein the two or more sealing slices are connected in a magnetic adsorption manner, and the inflation hole is adapted to the inflation tube; and a plurality of exhaust holes are formed in the periphery of an exhaust end of the inflation tube, and are in helical arrangement. The apparatus disclosed by the invention can well support an esophagus, can contribute to autonomous eating and drinking of a patient, and is reliable to fix.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV
Anti-injury sports equipment for muscle training
The invention discloses an anti-injury sports apparatus for muscle training, and belongs to the technical field of sports training equipment. The anti-injury sports equipment for muscle training comprises a support and a dumbbell, and further comprises a first hydraulic cylinder, a second hydraulic cylinder, a first connecting rod, a second connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod, a liquid inlet of the diverter valve is communicated with the first cylinder body, and a liquid outlet A of the diverter valve is communicated with a first one-way valve; an inner cavity of a second cylinder body of the second hydraulic cylinder is divided into an upper cavity body and a lower cavity body by a second piston, the upper cavity body is communicated with the first one-way valve and a liquid outlet B of the diverter valve at the same time, and the first one-way valve is used for being communicated from the liquid outlet A to the upper cavity body in a one-way mode. The anti-injury sports equipment for muscle training not only can assist a user in weight lifting training, but also can prevent the dumbbell from falling rapidly to injure a trainee when the dumbbell of the trainee slips out of the hand.
Owner:JIUJIANG UNIVERSITY
Split type occipital plate
The invention discloses a split type occipital plate which comprises plate bodies, wherein the lower part of each plate body is an attaching surface used for being attached to an occipital bone of a human body; one side of each plate body is provided with a locking hole, and the other side of each plate body is provided with a stick-passing hole; the other side of each plate body is also provided with a stick-locking hole, and the stick-passing holes are communicated with the stick-locking holes; and the locking holes are through holes passing through the attaching surfaces. According to the invention, 2-4 separately-processed occipital plate bodies are adopted and used in pairs, respective orthopedic sticks of the occipital plate bodies used in pairs in the process of fixing orthopedic sticks can be fixed separately and respectively, the fixed position is adjusted conveniently, and the operation is convenient and rapid.
Owner:纳通生物科技(北京)有限公司 +1
Unidirectional mechanical locking hydraulic cylinder
PendingCN110469559AAvoid displacementReduced risk of slippageFluid-pressure actuatorsHydraulic cylinderCylinder block
The invention relates to a unidirectional mechanical locking hydraulic cylinder and belongs to the field of a hydraulic cylinder. The unidirectional mechanical locking hydraulic cylinder comprises a hollow cylinder body and a piston rod; one end of the piston rod is positioned in the cylinder body; a wedged stop block is arranged at one end, positioned in the cylinder body, of the piston rod; thedirection of a wedge tip of the wedged stop block is arranged along the axis direction of the piston rod; a limiting stop block is arranged on the piston rod on one side of the wedge tip of the wedgedstop block; the limiting stop block is positioned in the cylinder body; a plurality of balls cooperatively used with the wedged stop block are arranged between the wedged stop block and the limitingstop block; an annular floating piston is arranged on the piston rod on one side of the bottom end of the wedged stop block; a push rod for pushing the positions of the balls is arranged on one side,near the balls, of the floating piston; the push rod performs reciprocating sliding together with the floating piston in a gap between the wedged stop block and the cylinder body; and the unidirectional mechanical locking hydraulic cylinder can realize unidirectional mechanical locking, can avoid displacement of the piston rod, is simple in structure and convenient to lock and can effectively reduce the slip risk of the hydraulic cylinder.
Owner:CISDI RES & DEV CO LTD
Computer-controlled hospital drug sorting system composition frame
InactiveCN111266310ASolve the problem that it is not easy to fix, and it is easy to loose and detachReduced risk of slippageSortingProcess engineeringMechanical engineering
The invention discloses a computer-controlled hospital drug sorting system composition frame, and belongs to the technical field of sorting systems. The problem that according to traditional sorting boxes, covers of the traditional sorting boxes are connected through long-shaft-shaped pin shafts, because the sorting boxes have a certain length, pin shafts with a sufficient length are needed for connecting the covers of the sorting boxes, and the pin shafts are not easy to be fixed, so that loosening and separating are prone to occurring is solved. According to the scheme, the computer-controlled hospital drug sorting system composition frame includes sorting boxes, and the sorting system frame consists of the sorting boxes connected end to end. The risk of slipping of the covers of the sorting boxes is reduced through the limiting design of a limiting pin in the device, through the meshing sleeving connection design between a lead screw tooth sleeve and a lead screw, the limiting pin can be conveniently driven to move horizontally, so that rectangular clamping blocks are clamped or separated, through the design of a limit clamping piece, the lead screw tooth sleeve can be conveniently and rotatably limited, and the stability of the limiting pin is further improved.
Owner:李树园
Pre-assembling device for wheel-mounted brake disc of motor train unit
PendingCN113843732AEasy to operateAvoid occlusion interference problemsWork holdersNylon materialBrake
A pre-assembling device for a wheel-mounted brake disc of a motor train unit is characterized in that the pre-assembling device comprises a support platform, a bearing mechanism and a mandrel mechanism, the support platform comprises a horizontal base, a vertical support and an anti-collision base plate, and the mandrel mechanism comprises a center shaft, an inner sleeve and an outer sleeve. Operation convenience is provided for mounting other wheel accessories on the front end face of a hub and mounting a plurality of bolts on the wheel-mounted brake disc, and the problem that an existing storage rack shields and interferes with a wheel mechanism A in the mounting process is solved. By means of the cone angle parameter design of the sleeve with the cone outer side wall, the wheel mechanism A can slide to the end where an annular baffle is located through the self weight, so that the wheel mechanism A is prevented from slipping off the sleeve, and the slipping risk of the wheel mechanism A is further reduced through a disengaging stop ring located at the front end of the mandrel mechanism B. The anti-collision base plate and the outer sleeve are both made of nylon materials, and collision and scratching of the wheel mechanism A in the assembling process are effectively reduced.
Owner:CRRC CHANGCHUN RAILWAY VEHICLES CO LTD
Surgical cart with push handle
PendingCN107320278AReduced risk of slippageLess discomfortOperating tablesAmbulance serviceEngineeringL-shell
The invention discloses a surgical cart with a push handle. The surgical cart comprises a pedestal, the push handle and a stand column, wherein reinforcing ribs are arranged at corner positions of the push handle, the push handle comprises a display screen and a handle, and the side wall of the handle is formed to be arc-shaped; the pedestal is provided with a support pillar close to the edge position, and the support pillar is used for supporting the push handle; the stand column is provided with a mechanical arm used for conveying surgical tools. The surgical cart is provided with the arc-shaped push handle, so that the surgical cart can be more reasonably fit with a human palm, and the discomfort of workers is reduced. Furthermore, the push handle is formed by an upper shell and a lower shell made from different material, so that the lower shell can bear bigger pushing force, and the upper shell can meet a required style design. Meanwhile, a parking mechanism is arranged at the support pedestal, so that stability during a surgical process is increased, and the sliding risk of an operating table is reduced.
Owner:CHENGDU BORNS MEDICAL ROBOTICS INC
A dike bag strip, a water storage dike and a method for carrying out water surcharge preloading
Owner:ZHEJIANG SCI-TECH UNIV
Two-wheeled pedal type electric bicycle with front auxiliary seat
The invention discloses a two-wheeled pedal type electric bicycle with a front auxiliary seat.The two-wheeled pedal type electric bicycle comprises a bicycle body (1), wheels, a bicycle seat (2) and a child auxiliary seat (3).A vertically arranged auxiliary seat bin (11) is arranged at the position of the inner side of a bicycle head above a pedal of the bicycle body, and the auxiliary seat bin comprises a bin door which is opened or closed in a left-right mode.The child auxiliary seat comprises a seat plate (31), a longitudinal beam (32), a hinged telescopic supporting beam (33) and a lap joint lug seat (34).The longitudinal beam is of a tubular structure and is fixedly installed on the bottom plane of the seat plate in the front-rear direction, the hinged telescopic supporting beam is connected into the tubular structure of the longitudinal beam in an inserted mode, the front end of the hinged telescopic supporting beam is provided with a hinged base structure, extends out to the front end of the longitudinal beam and is installed at the position of the inner side of the bicycle head above the pedal of the bicycle body in a hinged mode through a hinged pin shaft, and a hasp (21) is arranged at the position of the front end of the bicycle seat.The two-wheeled pedal type electric bicycle is provided with the front child auxiliary seat, no extra space is occupied, children can ride on the electric bicycle conveniently, and a driver can get on or off the electric bicycle conveniently.
Owner:SUQIAN HUAIHAI TECH SERVICES
Shell stator assembly of flat wire motor and assembling method thereof
ActiveCN114039433AImprove NVHImprove insulation performanceWindings insulation shape/form/constructionElectric machinesInterference fitElectric machine
The invention relates to a shell stator assembly of a flat wire motor and an assembling method thereof, and relates to the technical field of motors. The shell stator assembly comprises a shell, a stator assembly, a lower sealing cover and an upper sealing cover, wherein the stator assembly is accommodated in the shell, and a gap exists between the stator assembly and the shell; the lower sealing cover covers the bottom end of the shell; the top end of the shell is covered with the upper sealing cover in a sealing mode; a glue injection opening communicated with the gap is formed in the upper sealing cover; and the outgoing line of the stator assembly extends out of the glue injection opening. The assembling method comprises the following steps: arranging the stator assembly into the shell in an interference fit hot sleeve manner; after cooling, froming a gap between the stator assembly and the shell; covering the bottom end and the top end of the shell with the lower sealing cover and the upper sealing cover respectively; and injecting a pouring sealant into the sealant injection opening, so that the gap is filled with the pouring sealant.
Owner:智新科技股份有限公司
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