12135results about "Lifting frames" patented technology

The present invention belongs to the technical field of new energy vehicles. Disclosed is a lifting apparatus for new energy vehicle battery replacement, said apparatus comprising a base, and first motors located in the base, output shafts of the first motors being fixedly connected with threaded columns rotationally connected with the base. A supporting assembly is arranged, and during a process in which a lifting table lifts a vehicle to a high position, the lifting table drives ends of inclined plates to move upwards, and the other ends of the inclined plates slide on the ground under the action of gravity. After the lifting table lifts to a certain height, the ends of the inclined plates in contact with the ground leave the ground and hang vertically in the air, and ends of abutting plates abut against bottom portions of the lifting table, so that the bottom ends of the inclined plates are higher than limiting bases. Then the lifting table slightly descends so that ends of the inclined plates are inserted into limiting grooves of the limiting bases, preventing the inclined plates from leaving the limiting bases, thus completing the lifting of the lifting table. The inclined plates have a supporting action while the lifting table is at the high position, so that the lifting table is more stable.

The invention discloses a load measuring device for a mining elevator, and relates to the technical field of elevators. The device comprises a device body, information modules are arranged on the front face and the back face of the device body, alarm assemblies are arranged on the peripheries of the information modules and arranged on the outer wall of the device body, four electric hydraulic rods are fixedly installed at the corners of the bottom of the inner wall of the device body, and each electric hydraulic rod is composed of a fixed end and a telescopic end; every two of the four electric hydraulic rods form one set, and the two sets of electric hydraulic rods are symmetrically distributed with the device body as the axis. When an electric hydraulic rod has a falling phenomenon, the higher the falling speed is, the larger the deformation resistance of a reset piece is, meanwhile, the falling phenomenon is further slowed down and stabilized through multiple times of abutting limiting between a T-shaped arc plate and a semi-arc block, and the situation that due to uneven gravity distribution, the elevator collapses, and consequently equipment damage is caused is prevented; and certain danger to workers is avoided.

The utility model discloses a lifting device for quickly replacing a carrier roller of a belt conveyor. The lifting device comprises a base, a connecting pull rod and a lifting frame, the base comprises a base base table, an adjusting groove is formed in the surface of the base base table, an adjusting lead screw with threads is arranged in the adjusting groove, and the adjusting lead screw can rotate around the axis of the adjusting lead screw. The connecting pull rod comprises a fixed pull rod and a movable pull rod; the upper end of the fixed pull rod is hinged to the lifting frame. The lower end of the fixed pull rod is hinged to the base. The upper end of the movable pull rod is hinged to the lifting frame, a nut sleeve is arranged at the lower end of the movable pull rod and arranged on the adjusting lead screw in a sleeving mode, the nut sleeve can be driven to move away from or close to the lower end of the fixed pull rod by rotating the adjusting lead screw, and therefore the lifting frame is driven to descend or ascend. According to the utility model, the conveying belt can be quickly and conveniently lifted up from the lower part, so that the carrier roller can be quickly replaced, a series of work of fixing a chain hoist to hoist the conveying belt is omitted, the labor intensity is reduced, and the maintenance work can be completed by only 1-2 persons.

An autonomous vehicle system includes a vehicle including a base assembly having a front surface, a rear surface opposite the front surface, and side surfaces extending between the front surface and the rear surface. A sensor system is coupled to the base assembly and configured to detect one or more objects located in an area near the vehicle. The sensor system includes a first sensor oriented parallel with at least one of the front surface, the rear surface, or the side surfaces, and a second sensor oriented non-parallel with the front surface, the rear surface, and the side surfaces. A control system is configured to receive a communication regarding the detection of the one or more objects from the sensor system and generate one or more controls for at least one of the base assembly or one or more tractive elements.

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.

A foldable pushing chain type lifting platform belongs to the technical field of pushing chains and lifting platforms and comprises a meshed pushing chain system, an X-axis limiting mechanism and a Y-axis limiting mechanism, one side of the bottom of the meshed pushing chain system is fixedly connected with a base, the meshed pushing chain system outputs pushing chains upwards in the Z-axis direction, and the X-axis limiting mechanism and the Y-axis limiting mechanism are fixedly connected with the base. The top end of the pushing chain is fixedly connected with a top table used for bearing a lifted object, an X-axis limiting mechanism is further connected between the top table and the base, and the side, away from the meshing type pushing chain system, of the X-axis limiting mechanism is connected with a Y-axis limiting mechanism. The X-axis limiting mechanism is of a folding arm structure which only rotates around the X axis and limits the pushing chain and the top table to move in the X-axis direction. According to the invention, the pushing chain is used as a driving part, and the device has the advantages of high speed, large bearing capacity, high precision, long maintenance period, multi-point control, good stability, low initial height, large stroke, small occupied space and strong environmental adaptability.

A lift table includes a base member, an air powered hydraulic powerpack assembly mounted to the base member, a tabletop, a lift assembly capable of actuated the tabletop relative to the base member, a handle extending upward from the base member, and an air supply docking station. The lift assembly includes a hydraulic cylinder assembly actuated by the air powered hydraulic powerpack. The handle includes a top portion of the handle elevated above the air-powered hydraulic powerpack. The air supply docking station is fixed to the top portion of the handle and is in fluid communication with the air-powered hydraulic powerpack assembly.

The invention discloses an automatic product feeding and discharging mechanism which comprises a rack, a feeding device, a taking device, a pin cutting device, a product conveying line and a feeding jig. The feeding device, the taking device, the pin cutting device and the product conveying line are arranged on the rack, and the feeding jig is conveyed to the product conveying line. The feeding device comprises a feeding temporary storage assembly, a discharging temporary storage assembly and a material disc conveying assembly, and material discs are alternately and temporarily stored on the feeding temporary storage assembly and the discharging temporary storage assembly through the material disc conveying assembly. The material taking device comprises a first material taking mechanical arm and a second material taking mechanical arm, and the first material taking mechanical arm is used for grabbing workpieces of the material supply device and placing the workpieces on the product conveying line for feeding and grabbing workpieces of the foot cutting device and placing the workpieces on the material supply device for discharging. The second material taking mechanical arm grabs the workpieces on the product conveying line and places the workpieces on the foot cutting device for foot cutting. The automatic feeding and discharging mechanism for the products can temporarily store and alternate the trays, is matched with a material taking device to complete automatic feeding and discharging, and is small in occupied space and high in automation degree.

A scissor arm for an articulating support is configured to rotate about an axis of rotation. The scissor arm includes a central support structure at least a portion of which extends in a plane that is perpendicular to the axis of rotation. The scissor arm also includes a tubular body including first and second members that form opposing sides of the scissor arm and are attached to the central support structure. Each of the first and second members of the tubular body includes an outer wall spaced from the plane, an upper flange extending from the outer wall toward the plane, and a lower flange extending from the outer wall toward the plane.

The invention discloses a control method and device of a hydraulic synchronous lifting device, a computer program and a storage medium, belongs to the technical field of ship manufacturing, and particularly relates to a control method of a hydraulic synchronous lifting device for ship assembly. In order to solve the problems of low synchronization precision, slow dynamic response, insufficient error compensation, poor environmental adaptability and the like of the existing control method of the hydraulic synchronous lifting device, the invention provides the control method of the hydraulic synchronous lifting device, which comprises the following steps of: acquiring a target height, a maximum inclination angle, a maximum deviation and a preset proportional valve opening; the actual heights of the four main jacking oil cylinders are obtained in real time, the average value and the inclination angle are calculated, whether the target height is reached or the maximum inclination angle is exceeded is judged, if not, the deviation of each oil cylinder is calculated, and the opening degree of the corresponding proportional valve is adjusted when the deviation is exceeded, and synchronous lifting is ensured. The device is suitable for the fields of ship building and maintenance, in-place and leveling of bridge precast beam bodies and extremely high requirements for lifting precision and safety.

A drive mechanism includes a mount block extending along an axis and a plurality of electric motors supported by the mount block. The electric motors are arranged in series along the axis to define an initial electric motor, one or more intermediate electric motors, and a final electric motor. The drive mechanism also includes a gear mounted to each of the electric motors, and an output member driven by the gear mounted to the final electric motor to receive the combined rotational torque from the gears of the series of electric motors.

A jack assembly that has a base member having a handle assembly extending therefrom, a remote control positioned in the handle assembly, a handle base section of the handle assembly that comprises a battery coupler and a control unit, an electric motor coupled to the base member and providing a torque to a gear assembly, the gear assembly coupled to a ball screw, a carriage slidably coupled to the base member, the carriage having a lift nut coupled thereto, the ball screw threaded through the lift nut such that rotation of the ball screw moves the lift nut, and carriage, linearly along the base member, and a lifting arm pivotally coupled to the carriage on one end and pivotally coupled to a pivot arm at an intermediate location.

The invention discloses a construction site construction floor tile transfer device, which relates to the technical field of building construction, and comprises a lifting transfer mechanism, a placing platform mounted on the lifting transfer mechanism, a cylinder part mounted on the top of the placing platform, a fixed frame mounted on the placing platform, and a connecting frame mounted on one side of the fixed frame. A servo motor is installed on one side of the connecting frame, a reciprocating screw rod is installed in the fixed frame body, a magnetic acting mechanism is arranged between the reciprocating screw rod and the output end of the servo motor, a driving sliding block is installed on the reciprocating screw rod, and a limiting frame body is fixedly installed at the bottom of the driving sliding block. The limiting frame body is used for limiting the top of the floor tile, the two sides of the floor tile are limited under the action of the baffle, and under the action of a rope body on the rope winding mechanism, the baffle rotates directionally on the connecting shaft body through the hanging shaft body, so that the two sides of the floor tile on the placing platform are limited; and the condition that the floor tiles shake in the ascending and transferring process is avoided.

A stacker crane, comprising: a traveling device, which comprises a traveling box (100), a friction transmission mechanism (200) mounted in the traveling box (100), and a horizontal locating assembly (101) used for locating a traveling position, wherein the friction transmission mechanism (200) comprises a friction driving wheel (201) matching a friction rail (901), and a traveling power mechanism (202); a lifting / lowering device, which comprises a lifting / lowering frame (300) mounted at the top of the traveling box (100), a mechanical arm carrying assembly (400) mounted on the lifting / lowering frame (300), a lifting / lowering transmission assembly used for driving the mechanical arm carrying assembly (400) to lift / lower, a lifting power mechanism, and a vertical locating assembly (401) used for locating a lifting / lowering position of the mechanical arm carrying assembly (400); and a control device (600), which is used for controlling, on the basis of the traveling position fed back by the horizontal locating assembly (101), the traveling power mechanism (202) to drive the traveling device to run to a target traveling position, and is further used for controlling, on the basis of the lifting / lowering position fed back by the vertical locating assembly (401), the lifting power mechanism (501) to drive the mechanical arm carrying assembly (400) to run to a target lifting / lowering position. The stacker crane can realize accurate locating of the stacker crane in a traveling direction and a lifting direction.

The lifting robot comprises a wheel type chassis, rolling wheels are installed at the bottom of the wheel type chassis, and a lifting device is installed on the upper portion of the wheel type chassis; the upper part of the top mounting piece is connected with a trunk assembly; a mechanical arm is mounted on the trunk assembly; the upper portion of the trunk assembly is connected with a head assembly. Through the robot, the problem that the operating space range in the height direction of a wheeled robot is limited is solved, the operating space in the horizontal direction is adjustable, the gravity center of the whole robot can be adjusted in the horizontal direction, and stability is enhanced; the problem that energy consumption is wasted when a robot lifting device is in a non-working state and used for keeping the weight of the robot lifting device is solved. The harm such as impact caused by abnormal power failure of an execution element of the robot lifting device or power loss under other conditions is overcome; and the reliability of the robot is improved.

A multi-layer conveying system, comprising a trolley, two lifting devices and a multi-layer working assembly, wherein the multi-layer working assembly comprises a plurality of working stations; and each working station comprises a first guide rail assembly, a first driving assembly, a lateral positioning assembly, a vertical direction positioning assembly, and a conveying direction positioning assembly.

The utility model relates to the field of pipeline mounting and positioning for constructional engineering, in particular to a pipeline mounting and positioning device for constructional engineering. Comprising a hydraulic lifting mechanism, a locking mechanism and the like, wherein the locking mechanism is composed of a supporting rod, a driving block, a fluted disc rack transmission mechanism, a wheel with a clamping ring, a clamping rod and the like; compared with the prior art, the device has the advantages that the device is provided with the wheel locking mechanism, the wheels are fixed and prevented from rolling on the ground through the wheels provided with the clamping rings and the clamping mechanism matched with the wheels, so that the device is fixed, and the situation that a vehicle body moves, and positioning and installation of a pipeline are affected is avoided.

The invention relates to the technical field of steel structure construction, in particular to a three-dimensional adjustable steel structure positioning and assembling support and an assembling method.The three-dimensional adjustable steel structure positioning and assembling support comprises a base, a side supporting jig frame and a lower supporting jig frame, and the side supporting jig frame comprises an adjusting base, a stand column, a transverse adjusting mechanism, a bracket, a side clamping plate and a longitudinal adjusting mechanism; the triangular pipe truss can be integrally pre-installed on the ground firstly according to actual needs, the aloft work amount is reduced, the construction safety and the construction efficiency are improved, and before the triangular pipe truss is assembled, the height and the width of the joints are changed through the adjusting mechanisms so that it can be guaranteed that the size and the shape of the triangular pipe truss meet the design requirements, and the triangular pipe truss can be repeatedly used; the production cost is reduced; the fine adjustment mechanism combines the characteristics of a lead screw adjusting mechanism and a wedge block adjusting mechanism, has good bearing capacity and adjusting precision, and is matched with the longitudinal adjusting mechanism, high adjusting precision is achieved, and the size precision requirement of production is met.

The utility model discloses an ore pass dredging and jacking device with a locking function, which belongs to the technical field of mining machinery and comprises a telescopic piece, a winding wheel is arranged at the fixed end of the telescopic piece, and a flexible connecting piece is arranged between the winding wheel and the jacking end of the telescopic piece; the fixed end of the telescopic piece is provided with a driving piece used for driving the winding wheel to rotate. A locking piece is arranged at the fixed end of the telescopic piece so as to prevent the rotated winding wheel from rotating reversely; according to the flexible connecting piece, the elastic piece pulls the clamping plate to be close to the winding wheel, the end of the clamping plate is inserted between the adjacent teeth of the ratchet wheel and used for limiting rotation of the ratchet wheel, the winding wheel for rotationally winding the flexible connecting piece cannot rotate reversely, and the flexible connecting piece does not need to be independently fixed after pulling the telescopic piece to extend; operation steps in the ore pass dredging process are reduced, and the dredging efficiency is improved.

The invention discloses a portable insulating single-mast moving lifting platform, and relates to the technical field of lifting platforms, the portable insulating single-mast moving lifting platform comprises a controller platform, insulating rubber crawler belts are symmetrically mounted on the end faces of the two sides of the controller platform, a sliding groove is formed in the inner side of the controller platform, and a supporting groove plate is slidably mounted on the inner side of the sliding groove; the controller platform is scientific and reasonable in structure and convenient to use, through multi-directional supporting, the controller platform can stably move to guarantee safety when an operator is carried on the top, it can also be guaranteed that the controller platform can stably move on the uneven terrain, the use safety is improved, and the practicability is high. The application range of the high-altitude operation device is expanded, the use convenience is further improved, the mast does not need to be lifted for multiple times to adjust balance through local movement, the comfort of operators is further improved, and meanwhile the high-altitude operation efficiency is improved.

The invention provides a precise lifting platform. The precise lifting platform comprises a platform base; the lifting component consists of a first wedge-shaped block, a first crossed roller guide rail, a second wedge-shaped block, a second crossed roller guide rail and at least one pair of linear guide mechanisms; the first wedge-shaped block is connected with one part of the first crossed roller guide rail, and the first wedge-shaped block can be guided to move in the first direction; the second wedge-shaped block is connected with the first wedge-shaped block through a second crossed roller guide rail and a linear guide mechanism, so that the second wedge-shaped block can move along with the movement of the first wedge-shaped block; the linear motor is connected with the first wedge-shaped block and can be used for driving the first wedge-shaped block to move; and the feedback device is arranged on the second wedge-shaped block and / or the platform base and can be used for acquiring position parameters of the second wedge-shaped block. The precise lifting platform has a long-term market prospect, the movement precision and the movement stability of the precise lifting platform are in the technical leading edge of an existing lifting platform, and certain social benefits can be achieved.

The invention belongs to the technical field of mechanical lifting platforms, and particularly relates to a pushing chain type synchronous lifting platform and a control method.The synchronous lifting platform is formed by combining two lifting platform bodies, and each lifting platform body comprises a pushing chain driving system and a guiding mechanism; the multi-axis virtual axis electronic gear is combined with a fuzzy reasoning library to realize synchronous accurate control of the double servo motors, and the synchronous control system has the advantages of high speed, high bearing capacity, multi-point control, high precision, low initial height, large stroke, small occupied space, no maintenance, high efficiency, energy conservation and the like.

The invention relates to a semi-automatic energy storage and battery replacement cabinet lifting and entering device, which belongs to the field of energy storage and battery replacement of new energy automobiles, and comprises a moving seat, a first mounting cavity, a second mounting cavity, a lifting mechanism and a lifting mechanism, two connecting seats are arranged on the movable frame in a sliding mode, and a bearing table is arranged between the two connecting seats; the thread driving assembly is arranged on the moving frame and used for increasing the height of the two connecting seats; a conveyor belt assembly; and an adjusting positioning assembly. By arranging the adjusting and positioning assembly, the battery pack is centered and clamped twice, and then the battery pack borne on the bearing table is pressed and supported, so that the battery pack is tightly attached to the conveying belt assembly, stable friction force is maintained between the contact positions of the battery pack and the conveying belt assembly, sideslip is prevented, and the service life of the battery pack is prolonged. And the orientation of the end part of the battery pack is adjusted and positioned, so that the battery pack can be aligned with the battery cabinet to enter the cabinet.

The invention relates to an automatic leveling device for jacking imbalance of double jacks, comprising a real-time monitoring system which comprises an inclination sensor and a displacement sensor which are arranged at two ends or key positions of a beam body and is used for monitoring the horizontal state of the beam body and the displacement difference of the double jacks in real time; the automatic adjusting system comprises a hydraulic jack, an intelligent control valve and a servo system and can adjust the lifting speed and pressure of the jack according to a control instruction; the feedback control system comprises a closed-loop control module and a control unit based on a PID (Proportion Integration Differentiation) algorithm, and is used for receiving sensor data and calculating and outputting an adjusting instruction in real time; and the redundancy design module comprises multiple sensors and a control redundancy structure, and ensures that the basic leveling function is still kept when a single point of fault occurs.

Disclosed is a mobile robot manipulator system for handling railway inter box connectors for securement of shipping containers to the intermodal railcars, in a railway yard under an outdoor working environment, with a unique end-effector design incorporating at least two independently actuated and redundant grippers, supplemented by an additional aerial lift and aerial anchor to help stabilize the position of the movable base of the manipulator, a manipulator docking station to help protect the manipulator, end-effector, vision camera, and other sensitive equipment from damages against shock and under all weather conditions, and a sure grip methodology for safely transporting the railway inter box connector by the robot manipulator.

A floating lift includes a fixed frame, a movable frame, and a platform coupled to the movable frame. A float that may include multiple float sections is coupled to the fixed frame to provide buoyancy to the lift. A lifting assembly is structured to move the movable frame to change a position of the platform relative to the fixed frame over a range of travel between a raised position and a lowered position. A vehicle can be loaded on the lift in the lowered position and elevated to the raised position to avoid damage to the vehicle. The range of travel of the platform is greater than a length of a lifting arm of the movable frame and the lifting assembly includes a locking link to lock the lift in the raised position. The lift may also include a leveling assembly that assists with uniform movement of the movable frame.

The invention discloses a material lifter, and belongs to the technical field of material conveying, the material lifter comprises a bottom frame, a lifting frame and a lifting platform, a lifting mechanism is arranged between the bottom frame and the lifting frame, the lifting platform is arranged at the top of the lifting frame, the lifting mechanism comprises two first connecting rods, two second connecting rods, two third connecting rods and two fourth connecting rods, the interiors of the two first connecting rods are fixedly connected with the same lower connecting shaft, the front end and the rear end of the lower connecting shaft are each provided with an overspeed locking mechanism, the interiors of the two third connecting rods are fixedly connected with the same upper connecting shaft, and the front end and the rear end of the connecting shaft are each provided with an overweight locking mechanism. The overspeed locking mechanism comprises a sliding seat, a rack, a gear, an inclined inserting plate and a fixing plate. By means of the overspeed locking mechanism and the overweight locking mechanism, locking can be achieved when overspeed operation, falling, overweight operation and overlarge shaking of the material lifting frame occur, so that loss caused by falling can be reduced, and the use safety is improved.

The invention discloses a hydraulic lifting platform with a protective structure. The hydraulic lifting platform comprises a vertical frame, a guide rail, a platform body, a hydraulic cylinder and a protection assembly. The protection assembly is composed of an auxiliary rail, a sliding frame, a bow plate, a positioning column and a connecting rod assembly. The auxiliary rail is matched with the positioning groove through the T-shaped section to achieve stable sliding and multi-point positioning. The sliding frame and the hydraulic cylinder are in linkage to drive the connecting rod assembly to be automatically locked and prevent the table body from falling rapidly when the hydraulic cylinder fails. The auxiliary wheels are matched with the guide rails, so that the moving stability of the table body is improved, and the bearing pressure of the hydraulic cylinder is dispersed; the safety and reliability of hydraulic lifting can be enhanced.

The utility model discloses a chain lifting battery replacing robot (100), which is used for hoisting a battery replacing battery, the chain lifting battery replacing robot (100) comprises a base (12) walking along a track (11) and a lifting mechanism (10) installed on the base, the lifting mechanism comprises a fixed part (2) and a lifting part (3) connected with the fixed part (2) in a sliding mode, and the lifting part (3) is connected with the fixed part (2) in a sliding mode. A driving gear (211) and a transmission gear (212) are rotatably arranged on the fixing part (2), the driving gear (211) and the transmission gear (212) are aligned up and down in the vertical direction and synchronously rotate through a transmission chain (4), a mounting part (32) fixedly connected with at least one part of the transmission chain (4) is arranged on the lifting part (3), a driving unit (120) is arranged on the base (12), and the driving gear (211) and the transmission gear (212) are connected with the mounting part (32). The driving unit (120) drives the driving gear (211) to rotate through a rotating shaft parallel to the plane where the track (11) is located, and by means of the design, the space utilization rate is more optimized, and products are easier to transport, assemble and overhaul.