3775 results about "Lifting equipment" patented technology

The invention discloses a centralized unloading type power generation robot which comprises a mute box type diesel generator set and further comprises at least two sets of lifting supporting rod assemblies, and the lifting supporting rod assemblies are arranged on the two sides of the mute box type diesel generator set so as to lift the mute box type diesel generator set in the loading and unloading process. According to the centralized unloading type power generation robot, by arranging the lifting supporting rod assembly, the problem that a traditional generator set loading and unloading vehicle depends on hoisting equipment is solved, automatic lifting and unloading of the loading and unloading vehicle can be achieved in the environment without the hoisting equipment, the transportation efficiency is improved, the transportation cost is reduced, and it is ensured that the equipment can be rapidly transferred to the needed place to be put into use.

Lift equipment includes a chassis, a prime mover, multiple wheels, a lift platform, and a scissor stack assembly. The scissor stack assembly includes a first scissor cross, a second scissor cross, a third scissor cross, and an actuator. The first scissor cross is coupled to the chassis and has first links of a first link length. The second scissor cross is coupled to the lift platform and has second links of a second link length. The third scissor cross is coupled between the first scissor cross and the second scissor cross and has third links of a third link length. The actuator is coupled to the prime mover and is configured to transition the scissor stack assembly between a retracted position and an extended position. The first link length is different than at least one of: (i) the second link length or (ii) the third link length.

The invention discloses an assembly quality detection method and device of a prefabricated part, a terminal and a storage medium. The method comprises the steps that a real-time image of the prefabricated part in the hoisting process is acquired; a plurality of sensors are arranged on the prefabricated part and the hoisting equipment to obtain multi-dimensional sensor data of the prefabricated part and the hoisting equipment; performing identification processing on the real-time image to obtain an identification result, and performing real-time hoisting monitoring on the prefabricated part according to the identification result and the multi-dimensional sensor data to obtain a monitoring result; creating a three-dimensional model of the prefabricated part according to the recognition result, and evaluating the flatness of the prefabricated part in combination with a preset flatness evaluation standard to obtain a flatness evaluation result; and carrying out assembly quality comprehensive evaluation on the prefabricated part according to the monitoring result and the flatness evaluation result. According to the method, data of multiple monitoring means are fused and comprehensively analyzed, the accuracy of a monitoring result is improved, and the reliability of final assembly quality evaluation is ensured.

A prefabricated mobile structure (e.g., substantially in the shape of a rectangular prism) that is substantially shorter than a standard 20-foot shipping container. The mobile structure includes an extension member extending outwardly from each respective upper corner of the structure substantially parallel to the structure's primary axis. Each extension member comprises an attachment point that is adapted to connect with a support portion of a spreader configured to engage with corner fittings of a standard 20-foot freight container. The respective extension members effectively extend the length of the attachment profile of the mobile structure while maintaining a shorter primary body portion. This may allow the prefabricated mobile structure to, for example, be lifted by a lifting device, such as a spreader, that is adapted for lifting a standard 20-foot shipping container while the prefabricated mobile structure's body remains compact enough to be loaded onto a CROP sled for transport.

The invention relates to the technical field of safety monitoring of hoisting equipment, and discloses a safety detection and early warning system and method for an intelligent portal crane, and the system comprises a front-end sensing module which is used for collecting the operation data and operation pictures of the portal crane in real time, and carrying out the fusion; the voiceprint recognition module is used for assisting in judging whether internal parts make abnormal sounds or not; the data processing module is used for monitoring operation data of the portal crane through a machine learning algorithm, identifying abnormity and evaluating a health state; and the terminal display module is used for displaying the operation state and the operation data of the portal crane and displaying the monitoring result and the alarm information to a manager. According to various operation data, the integrated machine learning algorithm is utilized, abnormal modes are accurately recognized, and whether the equipment has potential safety hazards or not is rapidly judged, so that early potential faults of the equipment are found in time, the accuracy of fault early warning is improved, and the accidental shutdown time and the maintenance cost are reduced.

The invention relates to the technical field of hoisting equipment, in particular to heavy hoisting and moving hoisting equipment which comprises a connecting frame and a supporting seat, a movable rod is movably connected to the center of the supporting seat, a driving mechanism and an adjusting mechanism are arranged at the top of the supporting seat, and a fixing mechanism is arranged between the supporting seat and the movable rod. The adjusting mechanism comprises a group of balancing weights slidably connected with the side wall of the lower end of the connecting frame, an auxiliary mechanism is arranged at the upper end of the lifting hook and comprises a connecting rod fixedly connected with the upper end of the lifting hook and a second sliding sleeve slidably clamped with the connecting rod, and a limiting assembly is arranged at the bottom of the second sliding sleeve; after the lifting hook lifts a heavy object to move downwards, the fixing mechanism limits the lifting hook to prevent the lifting hook from rotating, meanwhile, under the action of the auxiliary mechanism, the limiting assembly moves downwards, a lifting ring, hung on the lifting hook, of the heavy object is limited from the two sides, the moving range of the lifting ring in the lifting and moving process of lifting equipment is limited, and the shaking amplitude of the lifting ring is reduced; therefore, the stability of equipment movement is improved.

The invention relates to an intelligent power distribution box, and relates to the technical field of power distribution boxes, the intelligent power distribution box comprises a box body and a top cover fixedly arranged at the top of the box body, a mounting cavity is formed in the vertical surface of one side of the box body, a box door used for blocking the mounting cavity is detachably mounted on the vertical surface of one side of the box body, and a plurality of heat dissipation openings are formed in the two opposite vertical side surfaces of the box body. A protective cover with a downward opening is fixedly arranged on the opening edge of the heat dissipation opening. Vertically upward fixing rods are installed on the two opposite side faces of the top cover, the face where the fixing rods are located is perpendicular to the face where the heat dissipation openings are located, a positioning rod with one end rotationally connected with the upper end faces of the fixing rods is arranged above the top cover in the horizontal direction, and the rotating face of the positioning rod is parallel to the upper surface of the top cover; when the distribution box is installed, even if a roadside cart passes and vibrates to cause deviation of the lifting equipment, the positioning rods can keep relative positions to a certain extent, and dislocation of the through holes and the screw holes is reduced.

The invention relates to the technical field of traction, in particular to an automatic safety rope arrangement mechanism of lifting equipment, which comprises a track base, a rope winding module, a driving module, a protective shell, a vertical frame, a detection cylinder and a clamping module, the top end of the track base is fixedly connected with a connecting plate, and the top end of the connecting plate is fixedly connected with a first vertical frame and a second vertical frame. Through a detection mode of combining the dynamic visual detection mechanism and the sinus element sensor, the rope abrasion detection capability of the rope arrangement mechanism in a working state is improved, and the dynamic visual detection mechanism is suitable for various ropes such as mooring ropes and steel belts; the sinus element sensor further improves the detection precision of ropes such as steel wires and steel cables, it is ensured that the ropes can be detected in real time, and the applicability of the rope arranging mechanism is improved.

The invention provides clamping and lifting equipment, and relates to the technical field of mechanical transmission equipment, the clamping and lifting equipment comprises a translation device, a lifting mechanism and a clamping mechanism, and the lifting mechanism is fixedly connected with the translation device; the clamping mechanism is movably connected with the lifting mechanism; the clamping mechanism comprises a supporting structure, a turnover mechanism, a clamping jaw assembly and a clamping air cylinder, the supporting structure is movably connected with the lifting mechanism, the turnover mechanism is arranged on the supporting structure and fixedly connected with the supporting structure, the clamping jaw assembly is fixedly connected with the turnover mechanism, and the clamping air cylinder is arranged on the clamping jaw assembly. The clamping jaw assembly is fixedly connected with the clamping air cylinder, and an adjusting structure is fixedly connected to the clamping jaw assembly. According to the clamping and lifting equipment, the effect of clamping stability of spherical objects is effectively enhanced, and powerful support is provided for the fields of industrial automation, logistics transportation and the like.

The invention discloses an intelligent and safe hoisting monitoring method for a large-tonnage I-beam, relates to the field of construction safety, is based on a monitoring system consisting of a sensing layer, a transmission layer, a data layer, a decision layer and an execution layer, and comprises the following steps: deploying the sensing layer, constructing the transmission layer, configuring the data layer, constructing the decision layer and responding to the execution layer. Structural stress is monitored through a high-precision strain gauge and a distributed optical fiber sensor, the posture is monitored through an MEMS tilt angle sensor and a six-axis gyroscope, the state of the lifting appliance is monitored through a tension sensor and a visual recognition sensor, the environment is monitored through an ultrasonic anemograph and a laser radar, and multi-dimensional data collection is conducted through a displacement sensor monitoring device. Full-scene monitoring of the state of the I-shaped beam, the performance of a lifting appliance, the working environment and crane equipment is achieved, potential risks are captured without dead corners, the accuracy and reliability of data under complex working conditions are ensured, the problems that traditional monitoring data are prone to being interfered by the environment and insufficient in precision are solved, and the safety coefficient is increased.

The invention relates to the technical field of construction equipment, in particular to a hoisting device for fabricated building prefabricated parts. The hoisting device comprises an annular frame, a plurality of lifting assemblies and a rotating assembly, the top side of the annular frame is connected with external hoisting equipment, the annular frame is provided with a mounting cavity and a passing hole, the mounting cavity comprises a first cavity, a second cavity and a third cavity, the passing hole is formed in the bottom side of the annular frame, and the passing hole communicates with the second cavity; each lifting assembly comprises a sliding block set, a lifting mechanism and a lifting ring rod, the sliding block sets are slidably connected with the upper side wall and the lower side wall of the second cavity, the lifting driving mechanisms are installed on the sliding block sets, and the bottom ends of the lifting ring rods penetrate through the passing holes and are used for being connected with the prefabricated parts. Each rotating assembly comprises an outer gear ring, a driven gear, a rotating driving mechanism and a connecting frame, the connecting frames are fixedly connected with the sliding sets, the rotating driving mechanisms are installed on the connecting frames, the driven gears are rotationally connected to the sliding block sets, and the outer gear rings are meshed with the driven gears.

The invention discloses a prefabricated box girder reinforcement cage forming method suitable for factory manufacturing, which is characterized in that a box girder reinforcement cage obtained by assembling an existing closed hoop is improved into a structure of a bottom web double-U mesh and a top plate double-layer mesh according to a'double-U + top plate 'forming and assembling thought; each type of reinforcing mesh can be automatically produced by bending, binding and welding equipment at the same time, the mesh is moved to a reinforcing steel bar framework assembling area through a special lifting appliance to form a box girder reinforcing steel bar framework, and meanwhile prestressed pipeline strand penetrating installation is carried out. The construction quality problems of strand pulling displacement, deformation damage and the like of the prestressed pipeline are solved, the subsequent prestressed tension safety quality is guaranteed, and the service life of the prefabricated PC box girder is prolonged.

The invention discloses a multi-point grounding current limiting device, and relates to the technical field of power transmission line construction, the multi-point grounding current limiting device comprises a placement frame and further comprises a protection assembly, a grounding rod is fixedly installed at the bottom of the placement frame, a placement plate is fixedly installed on the inner wall of the placement frame, and a placement rod is fixedly installed at the top of the placement plate; lifting equipment is arranged on the circumferential surface of the placement rod, a signal receiver is fixedly mounted at the top of the lifting equipment, a current limiting assembly is arranged at the top of the placement plate, a fusing assembly is arranged at the top of the placement plate, a grounding connecting wire is arranged between the fusing assembly and the current limiting assembly, and a limiting frame is fixedly mounted at the top of the placement plate. According to the grounding current limiting device, the L-shaped plate moves downwards to drive the limiting plate to move downwards, the limiting plate moves downwards to make contact with the grounding connecting wire and extrude and fix the grounding connecting wire, the optimal state of the grounding connecting wire can be kept by avoiding bending or pulling, low grounding resistance is ensured, and therefore the efficiency and safety of the grounding current limiting device are improved.

The invention discloses underwater throttle valve element lowering and recycling equipment and a using method, and relates to the technical field of underwater oil extraction, the underwater throttle valve element lowering and recycling equipment comprises a guide protective cover, an ROV connector, a mounting plate, a lifting mechanism, a hanging ring, a butt joint assembly, an insertion cylinder and a locking assembly, and the guide protective cover is mounted on a valve body; the ROV interface is mounted at the top of the valve core; the lifting mechanism is mounted on the top surface of the mounting plate, and the telescopic end of the lifting mechanism extends downwards and penetrates through the mounting plate; the lifting ring is fixedly connected to the top end of the fixed end of the lifting mechanism so as to be connected with lifting equipment. The butt joint assembly is mounted below the mounting plate; the insertion cylinder is fixedly connected with the lifting end of the lifting mechanism, and the angle of the mounting plate can be adjusted under the guidance of the guide shield, so that the butt joint assembly is inserted into the ROV interface; the locking assembly is installed on the installation plate and can enable the butt joint assembly inserted into the ROV connector to be locked with or disengaged from the ROV connector, the structure is simple, use is convenient, and lowering and recycling work of the underwater throttle valve element can be efficiently and accurately completed.

The invention relates to the technical field of mineral product drilling, and discloses a mineral product resource exploration drilling device.The mineral product resource exploration drilling device.The mineral product resource exploration drilling device.The mineral product resource exploration drilling device.The mineral product resource exploration drilling device.The mineral product resource exploration drilling device.The drilling device.The drilling device.The drilling device.The drilling device.The drilling device.The drilling device.The drilling device.The drilling device.The drilling device.The drilling device. The other end of the folding assembly is connected with an oil supply assembly and a moving mechanism, the other end of the moving mechanism is connected with a supporting assembly and two telescopic assemblies, the other two ends of the supporting assembly are connected with an extrusion assembly and a clamping assembly respectively, the other end of the extrusion assembly is connected with the oil supply assembly, and the other end of the oil supply assembly is connected with a pushing assembly. The other two ends of the pushing assembly are connected with the two telescopic assemblies correspondingly. According to the mineral resource exploration drilling device, through the synergistic effect of the moving mechanism, the pushing assembly and the hydraulic system, automatic moving, erecting and accurate alignment of a new drill rod are achieved, manual intervention or external hoisting equipment is not needed, and the drill rod assembling process is remarkably simplified.

The present invention belongs to the field of lifting equipment control technology, and specifically relates to a dynamic modeling method and control method for double-bridge lifting equipment. The dynamic equations of a five-degree-of-freedom double-bridge crane are constructed using the Lagrangian method, and the geometric constraint relationships between trolley I and trolley II in the direction parallel to the bridge and the vertical direction are constructed. The dynamic model of the double-bridge crane is constructed by combining the dynamic equations and the geometric constraint relationships, and the dynamic model is transformed into a general model. Based on the general model, a first error function is constructed based on the difference between the actual position and the expected position, and a virtual controller is constructed based on the first error function. A second error function is constructed based on the virtual controller, and an actual controller is constructed based on the first error function, the virtual controller, and the second error function. This technical solution models the system as a whole through the constraint relationship between the two trolleys, taking the mass of the hook into consideration during the modeling process, and solving the singularity problem.

The invention provides a PPVC modular construction lifting appliance and a lifting method thereof.The lifting appliance is used for lifting a prefabricated modular structure and comprises a lifting frame connected with lifting equipment; the hoisting mechanisms are located below the hoisting frame, the hoisting mechanisms are connected with the hoisting frame through adjusting mechanisms, and the adjusting mechanisms adjust the heights of the hoisting mechanisms through sliding of pulleys so that the hoisting mechanisms can be close to or away from the modular structures located below the hoisting frame; a plurality of hoisting mechanisms form a hoisting area, a leveling mechanism is arranged on the outer side of the hoisting area, and during hoisting of the hoisting area, the leveling mechanism acts, so that the whole hoisting is in a balanced state.

The invention belongs to the technical field of oil and gas well development, and particularly relates to a shale gas well gas lift dredging method. According to the method, the gas lift pressure is obviously reduced to 40-60% through comprehensive means such as foam drainage liquid filling for reducing the gas well accumulated liquid density, short-time annular gas lift, wellhead return pressure reduction for the gas lift, oil jacket pressure balancing for reducing the hydrostatic liquid column height and alternate positive and negative lift, and multiple cooperation is conducted, so that the gas lift pressure is obviously reduced to 40-60%, the gas well recovery production progress can be accelerated, the gas lift effect is improved, and the gas well recovery efficiency is improved. The production recovery cost is reduced. In the process of lifting the deep shale gas well, gas well lifting can be achieved by optimizing gas lifting operation steps on the basis of existing gas lifting equipment, effective gas lifting can be achieved by means of the technical method under the influence of factors such as high temperature and high pressure, shaft corrosion and sand production of the deep shale gas well under different conditions, and the success rate reaches up to 80%.

The utility model discloses gate hoisting installation hoisting equipment for water conservancy flood control engineering, which relates to the technical field of water conservancy engineering, and comprises a crane, a cantilever arranged at the top of the crane, a steel wire rope arranged on the cantilever, a lifting hook hung at the bottom of the steel wire rope, a first lifting rope hung on the lifting hook, and a rectangular frame connected with the bottom of the first lifting rope, a gate is arranged in the rectangular frame, first through grooves are formed in the middles of the left side wall and the right side wall of the rectangular frame in a penetrating mode, and clamping mechanisms are installed in the first through grooves in a penetrating mode. According to the utility model, by arranging the overturning driving mechanism, the function of automatically switching between the horizontal hoisting state and the vertical hoisting state of the gate is realized, and the two hoisting modes are continuously carried out without manual secondary suspension; by arranging the supporting mechanism and the clamping mechanism, the effect of automatically adjusting the gate to be aligned with the square groove can be achieved, it is ensured that the gate smoothly penetrates through the cross beam, and the clamping mechanism is used for clamping the gate to be stably hoisted, assisting the gate in overturning and adjusting the gate to be aligned with the square groove.

The invention relates to the field of flow-state solidified soil, and discloses flow-state solidified soil prepared from construction waste, preparation equipment and a preparation method. The pre-dehydration module is used for controlling the water content of discharged materials to be less than or equal to 14%; the system further comprises a main drying system, an auxiliary material adding device, a water adding device and mixing equipment. The main drying system comprises a high-temperature drying area, a high-temperature buffering area and a heat preservation discharging area which are arranged in the vertical direction, materials treated by the pre-dehydration module are lifted into the high-temperature drying area through lifting equipment, the main drying system comprises at least two sets of material conveying belts, and a plurality of hot air openings are evenly formed in the top of the high-temperature drying area; an inlet of the hot air pipe is communicated with an air cavity heated by a heat source; a recovery channel communicating with the portion, close to the bottom, of the heat preservation discharging area is arranged on one side of the main drying system, and an obliquely-arranged dust baffle is arranged in the recovery channel. According to the invention, the problems of fluctuation of construction waste sources and large change of material moisture content in the prior art are solved.

The present application relates to a kind of offshore spreader and the measuring and controlling system of application thereof, block hoisting method, belong to underwater block hoisting technical field.The offshore spreader includes lifting frame, hook, unhooking device and measuring tower;Wherein, lifting frame is used to connect hoisting equipment;Hook is installed below lifting frame and is hinged with lifting frame, for connecting the lifting hole of prefabricated block;Unhooking device includes unhooking frame, driver and connecting rod, for realizing the automatic hooking and automatic unhooking of hook;Measuring tower is fixedly installed above lifting frame, and measuring tower includes column installed around lifting frame and upper measuring platform on the top of column, for measuring the positioning data of offshore spreader.The offshore spreader and the measuring and controlling system of application thereof, block hoisting method combine measuring tower and unhooking device, can obtain the positioning information of spreader in real time, and then timely adjust the position of spreader and block, ensure the precision of block installation;While underwater automatic unhooking can reduce the risk of manual operation.

The invention relates to the technical field of bridge engineering construction, and particularly discloses suspension bridge deck steel beam cable hoisting equipment which comprises a sports car, a hoisting tool and a hoisting cable, the hoisting tool is used for being connected with a steel beam, the sports car is installed on a bearing cable and can move on the bearing cable, the hoisting tool is connected with the sports car through the hoisting cable, a pulley seat is arranged on the hoisting cable, and a connecting seat is arranged on the hoisting tool. The pulley seat and the connecting seat are hinged through a pin shaft to form four lifting points, the hoisting cable is connected with the hoisting winch, the pin shaft is provided with a pin shaft type force sensor used for measuring the cable force of the hoisting cable, cable force data are detected and transmitted to a control center, and a Beidou positioning terminal is arranged near the lifting points. In the hoisting process, coordinate data of the hoisting points are collected in real time and transmitted to the control center, the control center processes the cable force data and the coordinate data of the hoisting points and controls the hoisting winches to work according to the processing result, the actions of all the hoisting winches are adjusted to enable the steel beam to be kept balanced, and stable and safe construction is guaranteed.

The invention relates to the technical field of hoisting, in particular to hoisting equipment for intelligent constructional engineering, a lifting electric cylinder is fixedly connected to the top of a balance supporting plate, mounting boxes are fixedly connected to the top of the lifting electric cylinder, a fixed top box is fixedly connected between the two mounting boxes, and a mounting top plate is fixedly connected to the bottom of the fixed top box; a fixing side plate is fixedly connected to the bottom of the mounting top plate, a fixing rotating shaft is rotatably connected to the bottom of the fixing side plate, connecting plates are rotatably connected to the two ends of the fixing rotating shaft, a hollow groove plate is fixedly connected to one side of the fixing side plate, and an adjusting sliding shaft is slidably clamped to the inner side of the hollow groove plate. The lifting device is simple in structure and particularly suitable for indoor narrow space and high-precision working environment, the lifting efficiency and the working safety can be remarkably improved, intelligent and automatic operation of the lifting device is achieved by adopting an advanced mechanical structure and a control technology, and manual intervention is reduced.

The invention relates to the technical field of cable hoisting, in particular to a cable hoisting circulating traction system and cable hoisting equipment, a first anchor, a second anchor, a first cable bent tower and a second cable bent tower are arranged on a first shore and a second shore respectively, a crown block device is slidably arranged on a bearing cable, one end of the bearing cable is anchored with the first anchor, and the other end of the bearing cable is anchored with the second anchor. The other end is anchored with the second anchor through the first cable bent tower and the second cable bent tower in sequence; the traction device comprises a traction driving mechanism and a traction cable, the first end of the traction cable is connected with the first anchor through the first anchor, the first cable bent tower and the first end of the crown block device, and the second end of the traction cable is connected with the second anchor through the first anchor, the first cable bent tower, the second cable bent tower, the second anchor and the second end of the crown block device; the traction driving mechanism can drive the crown block device to slide along the bearing cable through the traction cable. The single traction rope circulates to pull the crown block device to move back and forth, and the safety risk of forced opposite pulling caused by unsmooth command signals when traction is conducted on the two banks at the same time is overcome.

The invention discloses a heavy piston head lifting device with a turnover function in the technical field of engine manufacturing, which comprises a main frame and a mounting box, lifting lugs are arranged at four corners of the top of the main frame and are used for being connected with external lifting equipment to realize lifting of the whole device, and the mounting box is rotationally arranged in the main frame and is used for lifting the whole device. The main frame is used for clamping a piston head body and conducting posture overturning, and a first motor used for driving the mounting box to rotate is arranged on one side of the main frame. A clamping system is arranged in the mounting box and comprises a first clamping assembly used for clamping and fixing the inner side of the piston head body in an inner supporting mode and a second clamping assembly used for clamping and fixing the outer side of the piston head body in an outer clamping mode. The clamping system further comprises an air bag assembly arranged on the inner side of the second clamping assembly and used for protecting the outer surface of the piston head body. The device is suitable for hoisting a large-mass piston head body and has an overturning function, and the clamping safety and stability are greatly improved.

The invention provides a hoisting device for construction engineering, and belongs to the technical field of hoisting equipment, the hoisting device comprises a frame body, a hoisting mechanism and a clamping mechanism, the clamping mechanism comprises a hanging bracket and a clamping assembly, the hanging bracket is connected with the hoisting mechanism, the clamping assembly is arranged on the hanging bracket, and the clamping assembly comprises a first motor, a bidirectional screw rod, a synchronous pulley mechanism and a moving block; the first motor is fixedly installed on the hanging bracket, the two-way lead screws are symmetrically arranged on the two sides of the first motor and connected to the output end of the first motor through synchronous belt wheel mechanisms, the moving blocks are provided with threaded holes and sliding grooves, the two ends, in different rotating directions, of the two-way lead screws are connected with the moving blocks in a rotating mode through the threaded holes respectively, and the moving blocks are arranged on the hanging bracket in a sliding mode. When the hoisting device is used, inclination and movement of a heavy object in the hoisting process are reduced, the efficiency and safety of the whole process are improved, through the four steel ropes in the winch system, the heavy object can be more stable in the moving process, stress of each steel rope is reduced, and the service life of the steel ropes is prolonged.

The invention provides automobile spare part hoisting equipment, and belongs to the technical field of automobile spare part hoisting, the automobile spare part hoisting equipment comprises an L-shaped hoisting plate, a sleeve and a hoisting ring assembly, and further comprises arc-shaped plates symmetrically arranged in the sleeve, the opposite faces of the two arc-shaped plates are connected with matched cushion covers, a pair of shifting plates is arranged outside the sleeve, and the shifting plates are connected with the L-shaped hoisting plate. The shifting plate is provided with guiding faces inclining downwards, the sleeve is provided with a connecting piece connected between the shifting plate and the arc-shaped plate, the L-shaped hanging plate is provided with an adjusting groove, and an adjusting assembly arranged on the adjusting groove is arranged between the two guiding faces in a linkage mode. The guide wheels in the adjusting assemblies move along the guide faces, the positions of the two arc-shaped plates are flexibly adjusted in the sleeves, and therefore the motor rotor shaft lifting device adapts to motor rotor shafts of different sizes, the sleeves do not need to be replaced, the structure is simplified, the maintenance cost is reduced, meanwhile, it is ensured that the motor rotor shafts are tightly clamped, and lifting safety and reliability are improved.

The invention relates to the technical field of lifting equipment, and provides an anti-falling mechanism, a driving device and lifting equipment. The anti-falling mechanism comprises a fixed main body, a trigger assembly and an anti-falling assembly; the fixed main body is mounted on the guide wheel group; the trigger assembly comprises a trigger shaft, a speed measurement pressing wheel and a trigger part, the trigger shaft is rotatably arranged on the fixed main body, and the speed measurement pressing wheel and the trigger part are both arranged on the trigger shaft; the anti-falling assembly comprises a locking piece and an elastic piece, the locking piece is rotatably arranged on the fixed main body, the rotating center of the locking piece is eccentrically arranged, and the elastic piece is connected with the fixed main body and the trigger component; when the driving device stalls and falls, the speed measuring pressing wheel drives the triggering part to accelerate through the triggering shaft, and when the rotating speed of the triggering part reaches the preset triggering rotating speed, the triggering part drives the locking part to overcome the elastic force of the elastic part to rotate, and the locking part abuts against the guiding part to achieve locking. The lifting device is compact in structural arrangement, low in manufacturing cost, small in needed installation space and capable of being widely applied to lifting devices with guide rails.

The utility model provides an automatic balance adjusting lifting appliance for lifting and balance lifting equipment, and relates to the technical field of balance lifting equipment. The lifting automatic balance adjusting lifting appliance comprises a supporting main beam, at least two lifting hook mechanisms are installed on the supporting main beam in the length direction at intervals, a transmission frame is installed on the supporting main beam in a sliding mode through a driving mechanism, and the driving mechanism can drive the transmission frame to move in the length direction of the supporting main beam. Sliding grooves extending in the length direction of the supporting main beam are formed in the two ends of the supporting main beam respectively, sensors are installed at the ends, close to the supporting main beam, in the sliding grooves, elastic pieces are installed at the ends, away from the supporting main beam, in the sliding grooves, and sliding blocks capable of sliding in the sliding grooves are installed on the elastic pieces. Based on the technical scheme provided by the utility model, the lifting appliance capable of automatically adjusting the balance can automatically adjust the balance during lifting, so that the gravity center of a bamboo pole coincides with the lifting center line of the lifting appliance, and the lifting appliance and the bamboo pole are ensured to be in a horizontal state.

A squat silo lifting material distribution device comprises a telescopic sleeve, a lifting material distribution bin and hoisting equipment. A plurality of short distributing pipes and feeding grooves are arranged on the periphery of the side wall of the lifting distributing bin, an extending folding distributing groove is formed outside each feeding groove through a hinge, the height of the lifting distributing bin is controlled through hoisting equipment so that it can be guaranteed that grains are gradually scattered into the silo upwards from the bottom of the silo, and the grain grading phenomenon is reduced. According to the grain silo, grain is fed through the telescopic sleeve and the valve is controlled to be opened and closed, limited flow of the grain is formed in the telescopic sleeve, free falling motion is not generated, and therefore automatic grading and crushing are avoided when the grain is fed into the grain silo.