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30results about How to "Real-time monitoring of force status" patented technology

Bridge intelligent cable system with built-in fiber grating sensor

ActiveCN101701450AReal-time monitoring of force statusMeet health monitoring requirementsThermometer detailsControlFiberGrating
The invention relates to a bridge intelligent cable system with a built-in fiber grating sensor, which is used for cable bearing structures of a cable-stayed bridge, a suspension bridge, an arch bridge and the like. The bridge intelligent cable system comprises an anchoring cup (1), a dividing plate (5), a connecting cylinder (4), a fiber grating sensor and a cable body (11), wherein the fiber grating sensor comprises a fiber grating strain sensor (9) and a fiber grating temperature sensor (10), tail fibers of the fiber grating strain sensor (9) and the fiber grating temperature sensor (10) are led out, the packaged fiber grating strain sensor (9) is fixedly connected to an outer steel wire (3) at the position of the connecting cylinder (4), the packaged fiber grating temperature sensor is suspended on the steel wire (3) at position of the connecting cylinder (4), a hole (5-1) is penetrated in the dividing plate (5), and preserved steel pipes (7) are primarily imbedded in the connecting cylinder (4) and the anchoring cup (1) in advance. The invention can improve the survival rate of the fiber grating sensor and the optical fibers during the manufacture and the application of the cable, ensure a reliable embedding process of the fiber grating sensor and effectively lead fiber grating signals out of the cable body in a distortionless way.
Owner:FASTEN GRP CO LTD +1

Heightening and force measuring pot type rubber support with real-time monitoring function

The invention discloses a heightening and force measuring pot type rubber support with a real-time monitoring function. The pot type rubber support comprises an upper base plate and a lower base plate which are provided with pot-shaped grooves respectively and coaxially installed. The pot type rubber support further comprises a sliding plate, a middle steel lining plate, a pressure bearing rubber plate and a sensor which are arranged between the upper base and the lower base plate, wherein the sensor is connected with a display instrument through a wire. A heightening and filling channel is arranged on the periphery of the bottom of the lower base plate in advance. The heightening and force measuring pot type rubber support has the advantages that the stress state of a bridge can be monitored in real time, so that the practical load of the bridge can be obtained in advance, and a health monitoring effect is achieved on bridge operation; the heightening and filling channel arranged on the periphery of the bottom of the lower base plate in advance is filled with artificial synthetic materials through a special heightening device and is sealed and plugged through a fastener, and therefore the purpose of stepless heightening is achieved by means of the liquid-solid conversion principle; the heightening and force measuring pot type rubber support has the advantages of being high in precision and reliability, good in anti-impact property and high in overload capacity and meeting requirements for health monitoring of bridge operation.
Owner:CHINA RAILWAY DESIGN GRP CO LTD +1

Friction pendulum shock insulation support, intelligent support and support monitoring system

The invention discloses a friction pendulum shock insulation support, an intelligent support and a support monitoring system, and belongs to the support technical field. The friction pendulum shock insulation support includes a top support board, a bottom support board, a top hinged part, a bottom hinged part, and a base board. The base board and the top support board or the bottom support board are laminated, and a pressure sensing unit is arranged between the top support board and the base board or between the bottom support board and the base board. The intelligent support includes a data acquisition unit, a data output unit, and the friction pendulum shock insulation support. The data acquisition unit transmits the support pressure measured by the pressure sensing unit to the data output unit. The support monitoring system includes a data acquisition unit, a data output unit, a monitoring unit, and the friction pendulum shock insulation support. The friction pendulum shock insulation support can monitor the stress condition of the support in real time, so the replacement of the pressure sensing unit is facilitated, and the mechanical performance of the support is not influenced. The support monitoring system can monitor and reflect the health state of the support in real time.
Owner:SHENZHEN MUNICIPAL DESIGN & RES INST +1

Lead rubber shock insulation support, intelligent support and support monitoring system

The invention discloses a lead rubber shock insulation support, an intelligent support and a support monitoring system and belongs to the technical field of supports. The lead rubber shock insulation support comprises a top support plate, a bottom support plate, a lead rubber support body and a cushion plate. A pressure sensing unit is arranged between the top support plate and the cushion plate or between the bottom support plate and the cushion plate. The intelligent support comprises a data acquisition unit, a data output unit and the lead rubber shock insulation support. The support pressure measured by the pressure sensing unit is transmitted to the data output unit through the data acquisition unit. The support monitoring system comprises the data acquisition unit, the data output unit, a monitoring center and the lead rubber shock insulation support. By the adoption of the lead rubber shock insulation support, the stress condition of the support can be monitored in real time, the pressure sensing unit is convenient to replace, and the overall mechanical performance of the support is not affected; and the support monitoring system can monitor and reflect the health state of the support in real time.
Owner:SHENZHEN MUNICIPAL DESIGN & RES INST +1

Stress monitoring and early warning method and system for prestress ring of cold extrusion mold

The invention relates to the metal plastic processing field, in particular to a stress monitoring and early warning method and system for a prestress ring of a cold extrusion mold. The system consists of a strain foil, a bridge box, a dynamic strain meter, an industrial computer, a feedback control switch and an alarm. By implementing the stress monitoring and early warning method and system for the extrusion mold, the strain value and the strain situation of the prestress ring of the mold can be measured in real time, the goal of monitoring the prestress ring of the mold in real time can be achieved by presetting a stress safety value, the problem that the mold and the prestress ring are apt to be ruptured under stress because of too high load is solved, and the safety problem which is caused when the mold and the prestress ring are ruptured because of stress rupture is avoided.
Owner:舒恒管夹制造有限公司

Construction method of suspension steel structure

The invention provides a construction method of a suspension steel structure. The construction method comprises the steps that according to the preset positions and preset specifications of temporary diagonal tension braces of all floors obtained in advance, cantilever steel beams and the temporary diagonal tension braces of all the floors are installed layer by layer from bottom to top; according to the preset positions and preset specifications of temporary supports obtained in advance, the temporary supports used for supporting a top-layer cantilever steel truss are installed on the top faces of the cantilever steel beams of the topmost floor; the top-layer cantilever steel truss is installed above the cantilever steel beams located on the topmost floor to form a stable frame; hanging columns are installed on the top faces of the cantilever steel beams of all the floors layer by layer from top to bottom; and after all the hanging columns are installed, the temporary supports and the temporary diagonal tension braces are unloaded. According to the construction method, the stress requirement of the hanging columns can be met, construction is safe and controllable, the construction quality and precision can meet the design requirement, the construction efficiency is improved, and the construction cost is reduced.
Owner:SHANGHAI MECHANIZED CONSTR GRP

Smart type autonomous underwater vehicle (AUV) shell structure and preparation method thereof

The invention discloses a smart type autonomous underwater vehicle (AUV) shell structure and a preparation method thereof, belonging to the field of AUV shells. The smart type AUV shell structure sequentially comprises a metallic closed cavity, a rigid layer, a reinforcing layer and an impermeable layer, wherein the rigid layer is a multi-dimensional hybrid fiber reinforced resin-based composite material rigid layer; the rigid layer is formed by a hybrid fiber three-dimensional braided prefabricated fabric structure reinforced high-performance resin matrix; the three-dimensional braided prefabricated fabric structure of the rigid layer is mixed with optical fibers; a reinforcing layer is a two-dimensionally wound hybrid fiber reinforced resin-based composite material reinforcing layer; thereinforcing layer is arranged on the surface of the rigid layer in a two-dimensional winding manner; the impermeable layer is a multi-dimensional carbon fiber reinforced rubber-based impermeable layer; the impermeable layer is formed by compounding a carbon fiber three-dimensional woven fabric structure and high-strength rubber. The smart type AUV shell structure can monitor the stress state of an AUV shell in real time, and has better pressure resistance, impermeability, impact resistance and corrosion resistance.
Owner:SHANDONG UNIV

Spherical steel support, intelligent support and support monitoring system

The invention discloses a spherical steel support, an intelligent support and a support monitoring system and belongs to the technical field of supports. The spherical steel support comprises a top support plate, a bottom support plate, a spherical steel plate and a cushion plate. The cushion plate and the top support plate or the bottom support plate are arranged in a laminated manner. A pressure sensing unit is arranged between the top support plate and the cushion plate or between the bottom support plate and the cushion plate. The intelligent support comprises a data acquisition unit, a data output unit and the spherical steel support, and support pressure measured by the pressure sensing unit is transmitted to the data output unit through the data acquisition unit. The support monitoring system comprises the data acquisition unit, the data output unit, a monitoring center and the spherical steel support. By the adoption of the spherical steel support, the stress condition of the support can be monitored in real time, the pressure sensing unit is convenient to replace, and the overall mechanical performance of the support is not affected; and the support monitoring system can monitor and reflect the health state of the support in real time.
Owner:SHENZHEN MUNICIPAL DESIGN & RES INST +1

Suspension clamp with monitoring function

The invention relates to a suspension clamp with a monitoring function, which comprises a clamp main body, a drawing force sensor device and a temperature sensor device, wherein the drawing force sensor device is arranged on the clamp main body and can monitor the drawing force changes of the suspension clamp in real time; and the temperature sensor device is arranged on the clamp pressing plate of the clamp main body and can monitor wire temperature changes in real time. As the drawing force sensor device is arranged on the suspension clamp, the force condition of the suspension clamp can be monitored in real time; as the temperature sensor device is arranged on the suspension clamp, the temperature changes of a transmission wire can be monitored in real time; as the fixing seat for fixing the temperature sensor has a tubular structure, the sensor can be effectively protected, and the monitored data are more accurate; as a U-type connection plate is arranged, a protection role can be played; and as the structure is reasonable and the mounting is convenient, the practicality and the promotion value are large.
Owner:JIANGSU TIANNAN ELECTRIC POWER EQUIP

Telescopic automatic pressure relief type anchor rod

ActiveCN112627871AReal-time monitoring of force statusOvercome the defect that it can only be stretched onceAnchoring boltsPull forceEngineering
The invention discloses a telescopic automatic pressure relief type anchor rod. The telescopic automatic pressure relief type anchor rod comprises an anchor rod body, a pressure sensor, a connecting ring and a controller, wherein the anchor rod body at least comprises a first anchor rod body and a second anchor rod body; the connecting ring is arranged on the peripheral side of the joint of the first anchor rod body and the second anchor rod body, a telescopic fixing mechanism is arranged on the inner side of the connecting ring, the pressure sensor and the controller are arranged at the upper part of the anchor rod body, and the pressure sensor and the telescopic fixing mechanism are electrically connected with the controller; when the telescopic fixing mechanism is in a normal state, the telescopic fixing mechanism is fixedly connected with the anchor rod body; and when the telescopic fixing mechanism is in a contraction state, the anchor rod body is stretched under the action of pull. According to the telescopic automatic pressure relief type anchor rod, the pressure sensor and the telescopic fixing mechanism are arranged, so that the magnitude of the tensile force borne by the anchor rod can be measured, the anchor rod can be automatically stretched to relieve pressure when the borne tensile force is too large, and the deformation of surrounding rock is controlled for multiple times.
Owner:SHANGHAI INST OF TECH

Mining monitoring early warning anchor rod

The invention discloses a mining monitoring early warning anchor rod arranged in a rock wall. The anchor rod comprises a body and resistance strain gauges arranged on the body, the body comprises a rod body, a supporting plate and a screw cap, one end of the rod body extends into the rock wall, and the resistance strain gauges are uniformly arranged at the parts, extending into the rock wall, of the rod body; the resistance strain gauges are used for detecting the stress borne by different positions of the rod body, the supporting plate and the screw cap sequentially sleeve the portion, outside the rock wall, of the rod body, and the supporting plate is tightly attached to the rock wall; the screw cap is arranged on the outer side of the supporting plate; due to the screw cap, the rod bodyis fixed to the rock wall, a controller is arranged on the supporting plate, and the controller is connected with the resistance strain gauges. The stress state of the anchor rod can be monitored inreal time; when the anchor rod loses efficacy, people can quickly perceive and take corresponding measures to maintain the stability of a roadway support, casualties caused by improper supporting of aroadway are reduced, the safety production level of a mine is improved, and the safety of coal mine personnel and property is guaranteed.
Owner:HENAN POLYTECHNIC UNIV

Carbon fiber composite rod used on intelligent steel strand and preparation method

The invention discloses a carbon fiber composite rod used on intelligent steel strand and a preparation method. The carbon fiber composite rod comprises an optical fiber, and composite carbon fibers are arranged outside the optical fiber. The composite carbon fibers are composed of a plurality of carbon fiber bundles attached with resins and additives. The preparation method comprises steps: firstly, the carbon fiber bundles and the optical fiber are placed respectively; secondly, the carbon fiber bundles and the optical fiber are dragged respectively to go through a synthesis device; thirdly, power-on is carried out, and the device is heated; fourthly, the carbon fiber bundles and the optical fiber are dragged to move. The beneficial effects are that the carbon fiber composite rod has good tensile strength and flexibility and replaces a core cable of a pre-stress steel strand; a light time domain reflectometer is connected, the stress state of the pre-stress steel strand can be monitored in real time, real-time measurement of the pre-stress steel strand is achieved, and the usage safety of the pre-stress steel strand is raised; the carbon fiber composite rod is helpful to achieve real-time monitoring and intelligent management of a whole bridge or building.
Owner:TIANJIN SHINKUNTAI ADVANCED PRESTRESSING TECH

Force-measurement type laminated rubber bearing based on optical fiber deformation sensor

The invention relates to an intelligent force-measurement type laminated rubber bearing based on an optical fiber deformation sensor. The intelligent force-measurement type laminated rubber bearing comprises a laminated rubber bearing body and is characterized in that the optical fiber deformation sensor is arranged in the laminated rubber bearing body, an inhaul cable is arranged in the laminated rubber bearing body, one end of the inhaul cable is connected with the optical fiber deformation sensor, the other end of the inhaul cable is fixed to a steel plate in the laminated rubber bearing body, and the deformation sensor adapts to the deformation characteristic of the bearing under dead load and live load stress conditions. By the adoption of the intelligent force-measurement type laminated rubber bearing, sudden and accumulative damage of the bearing can be found in time and recorded, the service condition of the bearing is evaluated, and then reasonable treatment measures can be taken in time. By monitoring the stress condition of the bearing, the traffic load condition of a bridge can be reflected indirectly, and overload vehicles can be found in time.
Owner:SHANGHAI MUNICIPAL ENG DESIGN INST GRP

Photoprocessing grinding head stress state monitoring device

The invention discloses a photoprocessing grinding head stress state monitoring device, relates to the technical field of optical cold processing, and provides a photoprocessing grinding head stress state monitoring device which provides a necessary means for guaranteeing processing quality. The device comprises a display unit, a signal transfer system, three force sensors, a connector, a frame, a power source, three bellows, a grinding head base and a grinding head, wherein the grinding head is arranged under the grinding head base, each bellows is cemented with each force sensor, the three groups of bellows are arranged on the circumference of the grinding head base at 120 degrees, the force sensors are arranged under the frame, and the connector is arranged above the frame. The device disclosed by the invention can be used for monitoring the stress state of the grinding head on line in real time in the processing process, and at the same time data is sent out and displayed through a data transmission system, so that the data is observed by an operator or is used as the reference for grinding head posture adjustment, and the necessary means is provided for guaranteeing the processing quality.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Reinforcing structure suitable for dual-arch tunnel mid-partition and construction method

The invention discloses a reinforcing structure suitable for a dual-arch tunnel mid-partition and a construction method. The reinforcing structure comprises at least four steel web plates, the multiple steel web plates are sequentially welded to form the star-flower-shaped section manner, the embedding capacity of the reinforcing structure and the mid-partition can be greatly improved, the contactarea of the reinforcing structure and a rock-soil body is greatly increased, and the structure whole distortion-resisting capacity is improved. Grouting steel floral tubes are arranged on the two sides of each steel web plate, compaction between the reinforcing structure and the rock-soil body can be improved through pressure grouting, side friction resistance is greatly increased, and the unevendeposition of the mid-partition can be controlled. The two sides of each steel web plate are provided with steel ribs and a vibrating wire type earth pressure box, the steel ribs achieve the effect of improving the side friction resistance, improving the local stability and the antitorque capacity of the steel web plates and the protecting the earth pressure box, the vibrating wire type earth pressure box above the steel ribs can achieve real-time monitoring of stress of the reinforcing structure, in combination with conventional monitoring and measuring of the mid-partition, and the stable state of the mid-partition can be more comprehensively mastered.
Owner:SHANDONG UNIV +1

Real-time monitoring device and monitoring method for stress state of cableway traction cable

The invention discloses a cableway traction cable stress state real-time monitoring device and method, and the device comprises a metal bridge frame, the top of the metal bridge frame is fixedly connected with a fixing nut, the inner wall of the fixing nut is movably connected with an adjusting screw rod, the bottom of the adjusting screw rod is fixedly connected with a steel wire rope limiting device, and the steel wire rope limiting device is movably connected with the metal bridge frame. The outer wall of the steel wire rope limiting device is fixedly connected with a ceramic pressure sensor, one side of the ceramic pressure sensor is fixedly connected with a pressure sensor connecting wire, the outer wall of the metal bridge frame is fixedly connected with a conductive spring, and the inner wall of the metal bridge frame is fixedly connected with a signal amplifier. And one side of the metal bridge frame is fixedly connected with a clamping plate. According to the real-time monitoring device for the stress state of the cableway traction cable, starting from a cableway cable supporting wheel, a cable supporting wheel system which can monitor the tension of the cableway traction cable in real time and has a sensing function is provided on the basis of a pressure-sensitive sensor technology.
Owner:HEBEI INSTITUTE OF ARCHITECTURE AND CIVIL ENGINEERING

Force moment sensor for output pinion of self-elevating platform elevating unit

The invention provides a force moment sensor for an output pinion of a self-elevating platform elevating unit, which consists of a left input end cover, a transferring rod, a connector, a force moment input shaft, a sensor end cover, a sensor fixing flange, a sensor body, a strain gauge, a signal transmission line, a signal processing circuit and the output pinion. The transferring rod is connected with the connector, the connector is coaxially connected with the force moment input shaft, and the force moment input shaft is connected with the sensor body. The strain gauge is fixedly adhered on a strain beam of the sensor body, and the transferring rod is coaxial with the output pinion and penetrates through a central hole of an output pinion shaft. The force moment sensor for the output pinion of the self-elevating platform elevating unit obtains load situations of an elevating unit deceleration system in real time, immediately adjusts platform moving speed according to the load situations and performs platform overload protection. The force moment sensor avoids a pinion breaking phenomenon after overload, inputs all of force moment signals into a control system, monitors stress situations of platform pile legs in real time, is matched with control of a motor, averages the force moment of the pinion and provides guarantee for safe operation of a platform.
Owner:江苏智海新材料研发有限公司

Hydrogen storage cylinder or oxygen storage cylinder manufactured by spinning titanium alloy pipe

The invention relates to a hydrogen storage cylinder or oxygen storage cylinder manufactured by spinning a titanium alloy pipe. The hydrogen storage cylinder or oxygen storage cylinder with one end sealed and the other end opened is manufactured by spinning the titanium alloy pipe, the hydrogen storage cylinder or oxygen storage cylinder with two ends opened is manufactured by spinning the titanium alloy pipe, and a resin cylinder is manufactured in the hydrogen storage cylinder or oxygen storage cylinder.
Owner:王广武

High-frequency vibration fatigue test device for thin-wall blade parts

The invention discloses a high-frequency vibration fatigue test device for thin-wall blade parts. The high-frequency vibration fatigue test device comprises a signal processing and control device, an ultrasonic vibration device, a special blade clamp device and the like. Wherein the ultrasonic vibration device mainly comprises a vibration table, springs, a base and an ultrasonic vibration mechanism, the ultrasonic vibration mechanism is composed of a flange plate, an ultrasonic transducer and an ultrasonic amplitude-change pole, and in the ultrasonic vibration device, a plurality of springs are designed to assist in supporting the vibration table, so that the stress of the ultrasonic vibration mechanism is reduced; and then the ultrasonic generator provides ultrasonic frequency electric energy for the ultrasonic vibration mechanism, so that the ultrasonic vibration mechanism applies high-frequency vibration in two directions to the vibration table, and high-frequency vibration of the ultrasonic vibration device is realized. The pressure sensor is arranged in the special clamp device for the blade, so that the clamping force of the tenon part of the blade is monitored in real time, the clamping force of the blade in a vibration fatigue test is always in a stable area, the stress state of the tenon root is monitored in real time, and the clamping stability of vibration fatigue of the blade is improved.
Owner:HENAN POLYTECHNIC UNIV

Intelligent bi-directional self-resetting friction pendulum support

The invention relates to an intelligent bi-directional self-resetting friction pendulum support which comprises a bi-directional self-resetting friction pendulum support body and an intelligent sensing system. The bi-directional self-resetting friction pendulum support body comprises an upper support plate, a lower support plate and a support main body, a first stainless steel plate and a second stainless steel plate are arranged on the inner wall of the upper support plate and the lower support plate, first sliding grooves are formed in two sides of the upper support plate, second sliding grooves are formed in two sides of the lower support plate, and a first plane sliding plate, a spherical cap plate, a spherical surface sliding plate, the support main body and a second plane sliding plate are sequentially arranged between the first stainless steel plate and the second stainless steel plate from top to bottom and can slide forwards, backwards, leftwards and rightwards relative to thetwo first sliding grooves and the two second sliding grooves. By the aid of the structure, the support has the advantages that horizontal deformation capacity is high, and the safety of a building structure can be effectively protected.
Owner:SHANGHAI RB RUBBER ISOLATOR TECH

Multi-electrode sensing structure and method thereof

The invention provides a multi-electrode sensing structure and a method thereof. The multi-electrode sensing structure comprises an FRP (Fiber Reinforce Plastic) rib, anchoring cylinders, a conductiveadhesive and an insulating adhesive, wherein two power supply electrodes are arranged on end faces of two ends of the FRP rib; FRP is divided into N sections and is disconnected and N-1 independent voltage electrodes are arranged; the anchoring cylinders are mounted on the independent voltage electrodes of sections; the anchoring cylinders are used for connecting the adjacent disconnected sections; the insulating adhesive is injected into the anchoring cylinders; the power supply electrodes are connected with a current input system; the independent voltage electrodes of the sections are connected with a voltage output system. When the FRP rib is subjected to an axial force, the FRP rib has axial deformation, the resistance of the FRP rib is changed and the output voltage is changed; the change value of the resistance is calculated through the change value of the current and the voltage, and is converted into section stress of the FRP rib; a stress level of the FRP rib is judged. According to the multi-electrode sensing structure provided by the invention, the FRP rib can express a self bearing force and a four-electrode circuit capable of eliminating contact resistance is formed;meanwhile, the stress state of the FRP rib can be accurately monitored in real time. The system is simple in structure, clear in principle and convenient to implement.
Owner:JIANGSU UNIV

Pipe jacking machine head torsion deviation rectifying devices and deviation rectifying method

ActiveCN113028141AIncrease frictionAchieve the purpose of twistingPipe laying and repairElectric machineryDrive motor
The invention discloses pipe jacking machine head torsion deviation rectifying devices and a deviation rectifying method. The pipe jacking machine head torsion deviation rectifying devices are arranged outside a shell of a pipe jacking machine head in a protruding manner, and each torsion deviation rectifying device comprises a deviation rectifying belt and transmission wheels; the transmission wheels are sleeved with the corresponding deviation rectifying belt, each deviation rectifying belt is driven by rotation of the corresponding transmission wheels to conduct transmission in the annular direction of the shell, the transmission wheels are driven by driving motors to rotate, and the driving motors are arranged on the shell; and strain sensors are further arranged outside the shell. According to the pipe jacking machine head torsion deviation rectifying devices and the deviation rectifying method, the convex curved surface is additionally arranged on the outer wall of the front shell of the pipe jacking machine head, so that the aim of correcting torsion is fulfilled; and meanwhile, under the condition that the deviation correcting devices are not started, the deviation correcting devices also have the effects of relieving the torsion tendency of the machine head and preventing the torsion of the machine head.
Owner:SHANGHAI HIGHWAY BRIDGE (GRP) CO LTD

Reinforcement structure and construction method suitable for partition wall in double-arch tunnel

The invention discloses a reinforcement structure and a construction method suitable for a partition wall in a double-arch tunnel, which comprises at least four steel webs, and the star flower-shaped cross-section formed by welding a plurality of steel webs in sequence greatly improves the reinforcement. The embedding ability of the structure and the partition wall, the contact area between the reinforced structure and the rock and soil mass, and the improvement of the overall anti-distortion ability of the structure. On both sides of each steel web, grouted steel flower tubes are installed. Through pressure grouting and enhanced compactness between the reinforced structure and the rock-soil mass, the side frictional resistance is greatly increased to control the uneven settlement of the partition wall. Steel ribs and vibrating wire earth pressure cells are arranged on both sides of each steel web. The vibrating wire earth pressure cell above the rib can realize the real-time monitoring of the force of the reinforced structure, combined with the conventional monitoring and measurement of the partition wall, the stable state of the partition wall can be grasped more comprehensively.
Owner:SHANDONG UNIV +1

Tower type building deviation correcting device

The invention provides a tower type building deviation correcting device, and relates to the technical field of building maintenance. The tower type building deviation correcting device comprises a foundation beam, through holes and friction piles; the foundation beam is correspondingly connected with a foundation structure of a tower type building in a fastened mode, and the multiple through holes are formed in the top of a beam body of the foundation beam in the circumferential direction of the tower type building; the friction piles with the bottom ends inserted into a soil layer around the tower type building are arranged in the through holes correspondingly, and the pile diameter of the friction piles is smaller than the hole diameter of the through holes; each friction pile comprises a friction column, wherein the interior of the friction column is hollow, a step shaft is movably inserted into the friction column, and a driving device used for driving the step shaft to axially move is arranged at the top in the friction column; and a plurality of slotting positions are formed in a column body of each friction column at intervals along the axis, a plurality of slots are annularly formed in the positions, corresponding to the slotting positions, of the column body of each friction column at intervals, and wedge-shaped friction blocks are slidably inserted into the slots. The tower type building deviation correcting device is simple in structure, safe, reliable, convenient to implement and capable of effectively saving the construction cost.
Owner:关喜才

Automatic polishing platform and polishing method thereof

PendingCN112318327APressure value decreases or increasesBest grinding pressureGrinding carriagesGrinding feed controlPolishingEngineering
The invention relates to an automatic polishing platform. The automatic polishing platform comprises a polishing head assembly and a platform body. The platform body is provided with a workpiece placement area. The polishing head assembly is close to the workpiece placement area. The automatic polishing platform further comprises a two-dimensional force sensor, a longitudinal push rod device, a transverse push rod device and a controller. The longitudinal push rod device comprises a longitudinal push plate moving in the longitudinal direction. The transverse push rod device comprises a transverse push plate moving in the transverse direction. The pressure value borne by a workpiece is reduced or increased till the pressure value borne by the workpiece is the same as a preset pressure value, the controller stops working of the longitudinal push rod device and the transverse push rod device, and therefore, it is guaranteed that the workpiece is always subjected to the optimal polishing pressure in the polishing process, and the polishing efficiency and the polishing precision are greatly improved.
Owner:佛山市增广智能科技有限公司

An intelligent shaft sinking derrick

ActiveCN104695870BImprove construction safety and reliabilityImprove intelligenceDerricks/mastsShaft sinkingHeadframeEngineering
The invention discloses a vertical shaft sinking headframe. The vertical shaft sinking headframe comprises a headframe support body, a base support and a head sheave platform, wherein the headframe support body comprises a headframe support body I and a headframe support body II; the lower part of the headframe support body I is connected to the base support through a force measuring node; the upper part of the headframe support body I is connected with the lower part of the headframe support body II through a force measuring node; the upper part of the headframe support body II is connected to the head sheave platform through a force measuring node; the force measuring nodes are connected to a monitoring and warning module through a data line or a wireless network. Compared with the existing shaft sinking headframe, the force measuring nodes which are arranged at the lower end of the head sheave platform, the lower end of the headframe support body II and the lower end of the headframe support body I can be used for monitoring the construction load of the shaft sinking headframe and the stress state of main components in real time and warning when the construction load is close to the designed bearing force of the headframe, thereby facilitating the reasonable arrangement of the construction load of the shaft sinking headframe and the improvement of the construction safety and reliability of the shaft sinking headframe, and accelerating the further development of the intelligence of shaft sinking equipment.
Owner:CHINA UNIV OF MINING & TECH

Tower type building deviation rectifying method

The invention provides a tower type building deviation rectifying method, and relates to the technical field of building maintenance. The tower type building deviation rectifying method comprises the following implementation steps that (1) foundation beams are arranged, foundation trenches are excavated in the outer sides of the periphery of a tower type building foundation, and the foundation beams of steel structures or reinforced concrete structures which are correspondingly connected with the periphery of a corresponding tower type building foundation structure in a fastened mode are arranged in the foundation trenches; (2) through holes are formed, the multiple through holes which are distributed in the circumferential direction of a tower type building are formed in the tops of beam bodies of the foundation beams, and reaction frames are installed at the positions of the through holes; (3) friction piles are arranged, hydraulic jacks are installed in the reaction frames in the step (2), and the friction piles are pressed into the through holes one by one through the hydraulic jacks; (4) deviation rectifying is conducted, the multiple hydraulic jacks located in the inclination direction of the tower type building are controlled to synchronously and slowly jack, one sides of the foundation beams are slowly lifted under supporting of the multiple friction piles, and then the inclined side of the tower type building is slowly lifted; and (5) reinforcing is conducted. The tower type building deviation rectifying method is simple in construction process, safe and reliable.
Owner:关喜才
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