2371 results about "Block and tackle" patented technology

The present disclosure provides a foldable small flying and squat rack, which comprises a fixed rack, a pivot rack and pulley blocks disposed on the fixed rack and the pivot rack, wherein the pivot rack can rotate relative to the fixed rack, a counterweight assembly is disposed at the lower part of the fixed rack, and a connecting rope is connected at the upper part of the counterweight assembly; the connecting rope winds around the pulley blocks on the fixed rack and the pivot rack in turn to extend out, and then passes through a flying guide wheel to be connected to a grip part.

The invention relates to the technical field of crane equipment health monitoring, in particular to a crane running state health monitoring system and method. A sensing data acquisition unit is used for acquiring a winding drum vibration harmonic component, a steel wire rope leakage magnetic field gradient and a pulley block real-time load; the data analysis unit performs rotating speed synchronous variational mode decomposition on the vibration component to extract resonance characteristics, performs temperature and stress double-compensation correction on a leakage magnetic field gradient, quantifies an energy entropy attenuation rate through wavelet packet decomposition, constructs a phase difference model of a load and vibration to output a slip risk phase offset, calculates a load spectrum damage cumulant, and calculates a load spectrum damage cumulant; and after the four heterogeneous features are fused, a residual life coefficient is output through a dual-channel convolution-long and short-term memory hybrid neural network, and an execution unit triggers crane speed reduction control when the residual life coefficient is lower than a threshold value, so that the problems of insufficient multi-source data fusion and lack of dynamic compensation in the traditional technology are solved, and the fault early warning accuracy is improved.

The utility model discloses a lifting row with adjustable lifting point spacing, which relates to the technical field of lifting appliances and comprises a beam body and at least one lifting pulley block, upper lifting points are arranged at two ends of the beam body, the lifting pulley block comprises a plurality of transverse shafts which are transversely and detachably connected onto the beam body, and two ends of a third transverse shaft at the edge position are connected with two rope heads of a steel wire rope. Two fixed pulleys I in the direction of the first plane are arranged below the transverse shaft I at the other edge, fixed pulleys II are arranged at the two ends of the transverse shaft II in the middle, and the fixed pulleys II on the front side of the beam body and the fixed pulleys II on the rear side of the beam body are located on two parallel planes and are perpendicular to the first plane; the steel wire rope is sequentially connected with the second fixed pulleys and the two first fixed pulleys in series, a pulley is hung below the steel wire rope between every two adjacent second fixed pulleys in the same plane, and the distance between the pulleys can be changed by changing the position of the transverse shaft. According to the lifting row, a certain pair of lifting points can be independently adjusted, the operation is convenient and fast, and the stress of the whole group of lifting points is still balanced after the distance between the lifting points is changed.

The invention relates to an ultrasonic monitoring system and method for real-time monitoring of underwater sediment erosion and deposition, and belongs to the technical field of port and navigation channel engineering, the ultrasonic monitoring system comprises an automatic pulley block, a data acquisition module, a data analysis module and a plurality of ultrasonic transducers, each ultrasonic transducer is provided with a detection end, each ultrasonic transducer is connected with the automatic pulley block through a cable, the outer side of each ultrasonic transducer is sleeved with a steel pipe, the ultrasonic transducers and the steel pipes are arranged in the water body, a plurality of guide strips are fixed to the inner walls of the steel pipes, and a limiting device is installed at one end of each steel pipe; and a guide device is fixed on the side wall of each ultrasonic transducer. The ultrasonic transducer is matched with the automatic pulley block to detect different positions in the same area, so that the turbidity of a water area is prevented from being large, and the accuracy of monitoring data is ensured.

A charging pile, comprising a housing (112), a counterweight component (109), a pulley block, and a traction rope (113), wherein the housing is provided with a cable output hole; the counterweight component is arranged in the housing, and is capable of moving in a vertical direction; the pulley block comprises a movable pulley (108) mounted on the counterweight component and a fixed pulley (104) mounted at the top of the housing; and a first end of the traction rope is fixed to the top of the housing, and a second end thereof sequentially passes around the movable pulley and the fixed pulley, then extends out of the housing through the cable output hole and connects to a gun cable, so as to suspend the gun cable. The charging pile can ensure that the force exerted by the traction rope on the gun cable remains unchanged during the process of dragging the gun cable, such that a situation where a user experiences greater resistance when dragging the gun cable over a longer distance is prevented, thereby allowing the user to drag the gun cable over longer distances with less effort, and making same convenient to use.

The cable mechanism releases and withdraws a cable having a free end and a fixed end. The cable mechanism includes a motor assembly for engaging a guide portion of a cable to release or retract the cable and a pulley assembly for engaging a following portion of the cable. The following portion may be disposed between the guide portion and the fixed end of the cable. The pulley assembly is movable relative to the motor assembly between a first position and a second position. Moving the pulley assembly from the first position to the second position releases the cable, and moving the pulley assembly from the second position to the first position withdraws the cable.

The utility model provides an auxiliary device for hanging a long-distance cable. The auxiliary device comprises a rope which is fixedly connected between a fixed point I and a fixed point II, at least one auxiliary support which is supported at a fixed point III in the middle section of the rope, and a plurality of hooks which are hung on the rope and are used for hanging the cable, wherein an elastic pulley block is arranged between the hook and the rope, a shell of the elastic pulley block is a C-shaped frame with an open groove, and the open groove allows the elastic pulley block to smoothly pass through the joint of the auxiliary support and the rope in the process of sliding along the rope. And meanwhile, the supporting point does not hinder the hook to move back and forth along the rope.

The invention belongs to the technical field of cranes, and particularly relates to a compact low-clearance anti-swing crane and an anti-swing method. The device comprises a door frame; a hoist frame; a reel; a transverse driving motor; the hoisting mechanism is in transmission connection with the reel through a steel wire rope; the two groups of upper lifting pulley blocks are mounted on the hoisting frame and are arranged in parallel along the axis direction of the winding drum; the two lower lifting pulley blocks are installed on the lifting mechanism and arranged in parallel in the axis direction of the winding drum. The rotating center line of the upper lifting pulley block and the rotating center of the roller are located on the same plane. And the rotating center line of the lower lifting pulley block is lower than that of the lifting mechanism. The driving motor is transversely arranged, power is transmitted to the winding drum through the gearbox, meanwhile, the static size in the vertical direction is further reduced through the arrangement of the upper and lower pulley blocks with the low gravity center and the design of the lifting hook assembly with the high gravity center, and therefore under the given workshop clearance height, the working efficiency is improved. And the vast majority of vertical space is released to an effective cargo lifting stroke.

The utility model relates to the technical field of skateboards, and discloses a skateboard pulley dismounting assembly, which comprises a main body structure and a pulley structure, the bottom of the main body structure is provided with the pulley structure, the main body structure comprises a skateboard sheet, and a base is slidably installed below the base along a guide plate on the base through a slide block on the base. When the base is installed in place, the elastic piece in the base exerts downward acting force on the locking block which is squeezed to retract into the base, the locking block moves downwards, the lock head of the locking block is separated from the base and clamped into the base, and limiting and fixing of the base are completed, after the locking block moves downwards, the reset spring exerts outward acting force on the protection lock, and the protection lock is locked. The dismounting and mounting assembly is simple in structure, convenient to dismount and mount and stable in mounting, and different pulley assemblies can be conveniently dismounted, mounted and replaced, so that the function of the skateboard is not single, and the requirements of users with different proficiency degrees are met.

The invention relates to the technical field of cable testing, and discloses a tension testing device for cable processing, which comprises a rack, and a moving frame is slidably connected outside the rack; the lifting mechanism is mounted on the rack to drive the moving frame to move on the rack; the fixed pulley block is mounted at the top of the rack, and the fixed pulley block comprises a plurality of fixed pulleys which are symmetrically arranged; the two testing mechanisms are symmetrically arranged, the testing mechanisms are installed in the moving frame, each testing mechanism comprises a stretching assembly and two clamping assemblies which are symmetrically arranged, and the clamping assemblies are symmetrically arranged at the two ends of the stretching assembly; the testing mechanism further comprises a driving assembly, the driving assembly drives the stretching assembly to stretch the cable, the cable tension testing device can flexibly and randomly select tension testing objects for the cable, and the quality difference of different positions of the whole cable is comprehensively reflected.

The invention provides a dead weight type multi-component force sensor calibration device. The dead weight type multi-component force sensor calibration device comprises a workbench, a force reversing mechanism, a rotating platform, a loading disc and a loading assembly, the rotation center of the rotating platform is perpendicular to the rotation center of the force reversing mechanism. A turntable is fixed on the rotating platform, a calibrated multi-component force sensor is fixed on the turntable, a loading disc is fixed at the top of the calibrated multi-component force sensor, the loading disc is provided with a loading connecting piece, and a pulley assembly is arranged at the top of the workbench; when the force of the calibrated multi-component force sensor is calibrated, the connecting line of the pulley assembly and the loading connecting piece is located on the central axis of the workbench. When the torque of the calibrated multi-component force sensor is calibrated, the connecting line of the pulley assembly and the loading connecting piece is parallel to the central axis of the workbench. According to the invention, a force loading mode is optimized, loading of each component is converted into loading of a resultant force through one rope, mechanical interference during multi-dimensional loading is avoided, high repeatability of force value loading can be realized, and accuracy and reliability of a calibration result are improved.

The invention discloses an endoscopic robot for a high-pressure pipeline of a compressed air energy storage system, and mainly relates to the technical field of pipeline robots. Comprising a storage bin arranged on the outer wall of a vertical gas conveying pipeline, a window communicated with the storage bin is formed in the vertical gas conveying pipeline, a winch and a linear translation mechanism used for driving a lifting frame to translate are arranged in the storage bin, and a pulley assembly matched with a steel wire rope of the winch is arranged on the lifting frame. A pipeline robot is arranged at the end, away from the winch, of the steel wire rope, inspection equipment is carried on the pipeline robot, an end cover used for sealing the window is arranged at the end, away from the linear translation mechanism, of the lifting frame, and the pipeline robot is hung on the lifting frame. The pipeline robot is adjusted into the storage bin or the vertical gas conveying pipeline through the linear translation mechanism; the pipeline inspection requirement in the vertical gas transmission pipeline can be met, it is ensured that the defects of the inner wall of the pipeline are found in time, and healthy operation of the compressed air energy storage system is ensured.

The invention discloses a multi-dimensional force sensor calibration device and a calibration method thereof. The calibration device comprises a top plate of a workbench, a table top and fixed pulley blocks arranged at the bottom of the table top, and the fixed pulley blocks are connected with wire harness tightening devices of eight weight sets; the calibration adjusting assembly comprises a horizontal adjusting device and a height adjusting device; the flange is provided with a first locking claw and a first thread pressing device, and a measured sensor is locked by applying force through a knob; the calibration cap is provided with a second locking clamping jaw and a protruding calibration force bearing point part, is provided with a second thread pressing device, and locks the measured sensor and the weight set through force application of the rotary knob. The installation convenience of the measured sensor is improved by modifying and simplifying the installation of the measured sensor, the step of manually carrying weights is simplified by using the quick-release weight group, the influence of the weight installation precision on measurement is reduced, and the manpower efficiency is improved.

A balance shoe for a block and tackle window balance system includes an enlarged head portion housing a locking system configured to receive at least a portion of a pivot bar and releasably engage a jamb track. An elongate tail portion configured to couple at least partially within a U-shaped channel of the window balance system. A front face, the front face of the elongate tail portion being adjacent to a base wall of the U-shaped channel when the elongate tail portion is coupled therein. The front face including an elongate channel configured to allow passage of the pivot bar from the elongate tail portion towards the locking system. The balance shoe also including at least one protrusion extending from the front face of the elongate tail portion and disposed at least partially within the elongate channel.

The invention discloses a trigger device and a trigger method for a free fall test of progressive safety tongs of an elevator, and relates to the technical field of elevator testing, the trigger device for the free fall test of the progressive safety tongs of the elevator comprises a pulley assembly, a traction rope, a fixing part, a sleeve and a blocking part; the pulley assembly comprises an upper pulley and a lower pulley; the traction rope is arranged between the upper pulley and the lower pulley in a sleeving manner and is provided with a first traction section; the fixing part is fixedly arranged on the first traction section so as to move up and down along with the traction rope, and the fixing part is used for being fixed to one end of the lifting rod; the sleeve sleeves the first traction section and is fixed with the traction rope through static friction force, the sleeve is positioned at the lower end of the fixed part, and a distance is reserved between the sleeve and the lower end of the first traction section; and the blocking part is positioned below the sleeve, is limited and is used for blocking the sleeve when the sleeve moves downwards along with the first traction section. According to the technical scheme, the problem that potential safety hazards exist due to the fact that an existing device needs to adjust the sleeve at high altitude can be solved.

A portal crane steel wire rope dynamic tension detection method comprises the steps that firstly, a steel wire rope bypasses a three-pulley assembly of a tension detection device, and the dynamic tension change of the steel wire rope is converted into the tension included angle change of the three-pulley assembly; then, the tension included angle change is converted into line voltage of an electromagnetic conversion assembly through a vibration assembly of the tension detection device; and finally, the line voltage generated by the electromagnetic conversion assembly is measured through a rectification and energy storage circuit, the horizontal displacement of a rotor of the vibration assembly is measured through a displacement sensor, a measured line voltage signal and a measured displacement signal are transmitted to a calculation and data processing module through a wireless transmission module, and the dynamic tension of the steel wire rope is calculated. According to the dynamic tension detection method for the steel wire rope of the portal crane, the tension of the steel wire rope can be detected in real time, and the self-energy-supply requirement of the tension detection device is met.

The invention discloses a real-time detection system and method for a slurry and concrete critical surface in underwater pouring, and the system comprises a main control unit which is used for collecting, storing and transmitting a signal, a sensing unit which is used for transmitting collected data to the main control unit, and an execution unit which is used for actually detecting the slurry and concrete critical surface. The execution unit comprises a framework serving as a device structure main body, and the framework is provided with a pulley block composed of a plurality of guide pulleys, a lifting device and a gravity probe; a pull rope is wound on the lifting device, bypasses the pulley block and is connected with the gravity probe; and the gravity probe and the pull rope are connected through a tension inertia measurement unit which is in communication connection with the main control unit. When the two gravity probes with the density slightly higher than that of concrete and different bottom areas are adopted to detect the concrete critical surface with the viscosity and the resistance obviously larger than those of slurry, the accurate depth of the concrete critical surface can be effectively determined by comparing the postures of the two gravity probes.

The present invention discloses a fully hydraulic power head drill suitable for drilling in loose and broken strata. It includes a chassis assembly, a centering gripper, a pipe ramming machine, a power head, a drill rig guide rail, a fixed pulley block, a support oil cylinder and a feed oil cylinder; the power head is fixedly connected to the feed oil cylinder and is slidably connected to the drill rig guide rail; the drill rig guide rail is installed on the chassis assembly; the fixed pulley block is fixed at the top of the drill rig guide rail to change the direction of the wire rope and form a traction mechanism in cooperation with the winch on the drill rig, and when necessary, pull the power head and the drill pipe string to the starting position; the support oil cylinder and the feed oil cylinder are hinged and fixed on the chassis assembly. The present invention has the advantages of realizing the rotary feed function of an ordinary core drill while realizing impact rotary compound drilling and improving the working efficiency of pipe ramming drilling.

The invention provides a trigger type folding-stretching linkage wing structure for a seaplane. The trigger type folding-stretching linkage wing structure comprises a wing assembly, a driving assembly, a linkage assembly and a limiting assembly. The wing assembly comprises a wing seat, two wing groups and two guide units, the wing groups can stretch out and draw back, the two ends of each wing group are connected with an inner connecting plate and an outer connecting plate correspondingly, and the inner connecting plates are rotationally installed on the wing seat; the guide unit comprises a telescopic rod and a reset spring, the two ends of the telescopic rod are connected with the inner connecting plate and the outer connecting plate correspondingly, and the telescopic rod is sleeved with the reset spring. The driving assembly comprises a first sliding block and a connecting rod; two ends of the connecting rod are respectively hinged with the first slide block and one end of the wing group close to the wing seat; the linkage assembly comprises a traction rope and a pulley block; the limiting assembly comprises a first limiting unit and a second limiting unit. The first sliding block moves in the direction away from the wing base, sweepback and contraction of the wing set are synchronously achieved, the cross sectional area and the wetted area of the wing can be reduced at the same time during underwater navigation, and fluid resistance is remarkably reduced.

The utility model relates to the technical field of hermetia illucens breeding, and discloses a feed putting device for hermetia illucens circulating breeding, which comprises a support, the left side of the support is fixedly connected with a circulating frame, the inside of the circulating frame is rotatably connected with a fluted disc I, and the upper end of the support is fixedly connected with a circulating motor. According to the feed throwing device for hermetia illucens circulation breeding, the lifting assembly drives the supporting plate assembly to move up and down, a breeding box in the breeding assembly is conveyed to the position below the stirring barrel, the pulley block and the lifting rod improve the stability of up-and-down movement of the supporting plate assembly, a stirring motor is started to drive a stirring paddle to rotate, and the stirring paddle is an anchor type paddle; the feed on the inner wall of the stirring barrel is scraped off, the stirring effect is improved, the second translation assembly and the first translation assembly enable the discharging nozzle to have adjustability in the horizontal direction, feed can be evenly fed into the breeding box, the breeding box is put back into the containing groove through the supporting plate assembly after feeding is completed, the process is repeated, and circulating feeding is conducted on the breeding box in the circulating frame.

The invention discloses a hydraulic lifting container gantry crane which comprises a gantry crane main beam, a movable trolley frame is arranged on the gantry crane main beam, two trolley wheel sets in rolling contact with the gantry crane main beam are installed on each of the left side and the right side of the bottom of the trolley frame, and a container lifting appliance is arranged below the trolley frame. Through the driving of the hydraulic cylinder and the design of the pulley blocks, the distance from the lifting point of the lifting appliance to the highest point of the crane is reduced to be less than or equal to 3.2 m, under the safety distance of 8.3 m clearance, the lifting height of 5000 mm can still be realized, the problem of low clearance scene pain points is solved, when the workshop clearance is relatively high, four movable pulley blocks are selected, and when the workshop clearance is only 8.3 m, a container with the full load of 20 feet needs to be carried. The lifting requirement can be met by switching to six movable pulley sets, the whole lifting mechanism does not need to be replaced, the gantry crane is suitable for carrying scenes of containers with different clearances and different specifications, and the flexibility of the gantry crane is far better than that of a traditional winch type gantry crane.

The utility model provides a lifting device for a tower crane. The lifting device comprises a mounting seat, a bracket, a hanging bracket and a steel wire rope, the mounting seat is fixed to the top of a cabin, the support is mounted on the mounting seat, and the hanging bracket is arranged at the top of the support and provided with the hoisting pulley block. A lifting pulley block is arranged at the rear end of the on-tower crane, and when the on-tower crane is vertically arranged, the lifting pulley block and the hoisting pulley block are oppositely arranged; the hoisting pulley block comprises at least one hoisting pulley which is coaxially arranged, and the lifting pulley block comprises at least one lifting pulley which is coaxially arranged; a guide pulley block is arranged on a suspension arm of the on-tower crane; when the on-tower crane is lifted, one end of the steel wire rope is fixed on the on-tower crane or the hanging bracket, and the other end of the steel wire rope penetrates through the lifting pulley block, the hoisting pulley block and the guide pulley block and then is connected to a power unit arranged below the fan tower; the power unit tightens the steel wire rope to lift the on-tower crane.

The invention relates to a cable tension adjusting device on an electric power tower, and belongs to the technical field of overhead cable installation. The device comprises a tower frame and a cable, the front side and the rear side of the top of the tower frame are each provided with a first limiting wheel and a second limiting wheel which are used for supporting the cable in a rolling mode, and an automatic tension adjusting mechanism used for adjusting the tension of the cable is correspondingly arranged between each first limiting wheel and the corresponding second limiting wheel. The automatic tension adjusting mechanism comprises a sliding plate, a fixing plate, a sliding rail, a pulley A, a traction wheel, a pulley B, a pulley C, a pulley D and a cable, a pulley groove of the traction wheel is clamped above the cable, and the vertical pressure applied to the cable by the traction wheel is larger than the gravity of the counterweight assembly through a pulley block formed by the pulley A, the pulley B, the pulley C and the pulley D. The device is simple and reliable in structure and easier to implement.

The invention discloses a stretched noodle machine which comprises a support, a charging barrel, a die, a guide column, a pressing plate, a lever, a pulley block and a traction mechanism, the charging barrel and the guide column which is located above the charging barrel and can slide are arranged on the support, the pressing plate matched with the charging barrel is arranged at the lower end of the guide column, the die is arranged at the lower end of the charging barrel, the lever is rotationally arranged on the support, and the pulley block is arranged on the lever. The rear end of the lever is hinged to one end of the connecting rod, the other end of the connecting rod is hinged to the guide column, the distance between the rotating point of the lever and the rear end of the lever is smaller than that between the rotating point of the lever and the front end of the lever, a movable pulley block of the pulley block is arranged at the front end of the lever, and a fixed pulley block of the pulley block is arranged on the support. Compared with the prior art, the steel wire rope traction device has the advantages that the overall weight is light, the adaptability is good, and the production cost is low.

The utility model discloses a vehicle-mounted sliding ornament which comprises a base, a sliding cavity is formed in the base, and a strip-shaped hole is formed in the top end or the side end of the sliding cavity; a slide way is arranged in the sliding cavity, and is provided with a slide way bottom and a slide way side part; the pulley assembly is arranged in the sliding cavity; the pulley assembly comprises a sliding main body and pulleys mounted on the sliding main body, the pulleys comprise a bottom pulley and a side pulley, the bottom pulley is used for sliding at the bottom of the slideway, and the side pulley is used for sliding at the side of the slideway so as to reduce side resistance and improve stability; the ornament is connected with a middle piece, and the middle piece extends into the strip-shaped hole to be fixedly connected with the pulley assembly; when the pulley assembly slides in the sliding cavity, the ornament is driven to slide. The side resistance can be reduced, and the stability is improved.

The invention discloses a driving device for a rope-driven hand rehabilitation robot and a control method. The device comprises a fixing frame, a large spool, a small spool, a planetary gear motor, a buckling driving rope, a stretching driving rope, a buckling driving module and a stretching driving module. The buckling driving module and the stretching driving module each comprise a plurality of optical shafts, a thumb sliding block, an index finger and middle finger sliding block and a finger rope. Movement of the thumb, the index finger and the middle finger is controlled through a single planetary gear motor, self-adaptive grabbing of the hand rehabilitation robot is achieved through a differential structure of a pulley block, and the cost and complexity of the system are reduced; a spring is used for controlling the distance between the thumb sliding block and the index finger and middle finger sliding block, so that the hand rehabilitation robot can return to the initial hand posture after completing self-adaptive grasping; and through the design of different radiuses of the large thread spool and the small thread spool, the kinematics difference during finger bending and stretching is compensated, and the use comfort and the control efficiency of the hand rehabilitation robot are improved.

The invention provides a large glass lining equipment sintering crane, and relates to the field of glass lining equipment hoisting, the large glass lining equipment sintering crane comprises a crane body, a lifting rope and a pulley block, the bottom of the pulley block is provided with a lifting hook assembly used for improving the hoisting stability, and the lifting hook assembly comprises a center disc arranged at the bottom of the pulley block; the outer side of the center disc is sleeved with a sleeving ring plate, hydraulic cylinders are arranged at the bottom of the sleeving ring plate in an array mode, a mounting disc is arranged below the hydraulic cylinders, a first lifting hook is arranged under the mounting disc, and a second lifting hook is arranged on one side of the first lifting hook. The lifting hook assembly is additionally arranged on the top of an original lifting hook, a sleeving ring plate arranged in the lifting hook assembly is matched with hydraulic cylinders arranged at the bottom of the lifting hook assembly in an array mode, mechanical lock pins installed on the outer sides of the hydraulic cylinders are matched with installation discs arranged at the bottoms of the hydraulic cylinders, and therefore a degree-of-freedom platform with the short stroke can be conveniently formed; and buffering is realized.

The invention relates to a ground test gravity unloading device for simulating a space microgravity environment. A base is fixedly arranged at the bottom of a fixed frame; a suspension system is arranged above the base and comprises a fixed pulley block mounted on the fixed frame, a pull rope is wound on the fixed pulley block, the bottom of one end of the pull rope is connected with a dynamometer through a tension spring, and the bottom of the other end of the pull rope is wound on a winch mounted on the base; the hoisting system comprises an external excitation device which is suspended right above the detected object; the displacement sensing system comprises a displacement sensor. The device is simple in principle and construction mode, has a relatively ideal controlled unloading mode, has the test advantage of controllable fine adjustment, is mainly used for simulating a space micro-vibration / microgravity environment to carry out a ground test, reproduces a space environment on the ground to the greatest extent so as to verify the functions and performance of a spacecraft and components thereof, and has a wide application prospect. For example, whether the vibration isolator can work reliably on orbit is verified, so that the on-orbit risk is remarkably reduced, the research and development cycle is shortened, and huge cost is saved.

The steel plate shearing waste collecting and automatic conveying device comprises a steel wire rope winding drum driven by a motor and a speed reducer, the steel wire rope winding drum is installed on a winding drum seat, a steel wire rope pressing roller is horizontally arranged above the steel wire rope winding drum, and a pulley block is arranged on the other side of the winding drum seat. One end of the steel wire rope is wound on the winding drum, the other end of the steel wire rope bypasses the pulley block and is wound on the steel wire rope compression roller, three material conveying trolleys are connected to the steel wire rope between the steel wire rope compression roller and the pulley block at intervals, the material conveying trolleys are pulled by the steel wire rope to run along the shearing machine track, and the shearing machine is arranged above the material conveying trolleys.

The utility model belongs to the technical field of detection equipment, and discloses mining special cable bending test equipment, which comprises a workbench, a direct current resistance tester, a PLC (programmable logic controller) electrical control unit and a PC (personal computer) control unit are mounted on the workbench, a driving mechanism is mounted on the workbench, a driving belt wheel is mounted at the output end of the driving mechanism, and the driving belt wheel is driven by a motor. The driving belt wheel is in transmission connection with a driven belt wheel, a rotating shaft is installed at the axis of the driven belt wheel, and rotating teeth are installed on the rotating shaft; the workbench is provided with two fixed pulley assemblies and a movable pulley assembly, and the movable pulley assembly is located between the two fixed pulley assemblies. By the adoption of the structural design, the corresponding bending wheels can be selected according to different cable models, the bending strength and bending plastic deformation of the cable are larger, working condition simulation is closer, and relevant detection data can be obtained on line in real time.