81results about How to "Quick positioning installation" patented technology

The utility model discloses a sleeve repair tool for a fuel manifold of a turboshaft engine, which comprises a support with the top end provided with a penetrating column with threads on the inner wall, and further comprises a threaded pressing rod with the top end provided with a pulling rod, and the threaded pressing rod is in threaded connection with the penetrating column through the threads on the outer wall; a semi-arc-shaped pressing plate is arranged at the bottom of the T-shaped sliding block, and the T-shaped sliding block is movably connected with the threaded pressing rod; a shape correcting arc plate is arranged on the positioning column opposite to the semi-arc pressing plate, and the positioning column is located at the middle section of the support; and the gland is connected to the positioning column through a bolt. According to the sleeve repairing tool for the turboshaft engine fuel main pipe, the problems that in the prior art, manual positioning is not accurate, and pipe wall cracks and internal threads are prone to being crushed to be scrapped due to repeated knocking are solved.

The application discloses a kind of bucket wheel excavator door type rotation bearing beam factory in-house test installation auxiliary tool and method, including pitch hinge hole coaxial tool and rotation center coaxial tool;Pitch hinge hole coaxial tool includes horizontal center shaft, side clamping flange, side baffle, and middle column one and middle column two are fixed in the both ends of horizontal center shaft by side clamping flange and side baffle, ensure that the coaxial degree of material taking arm pitch hinge hole meets the requirements of drawing;Rotation center coaxial tool includes vertical center shaft, top clamping flange, top baffle, support base, top is fixed on vertical center shaft by top clamping flange and top baffle, bottom is fixed together by support base, and the coaxial degree of rotation shaft of material discharge arm to rotation center meets the requirements of drawing is guaranteed.The application can efficiently make product assembly precision meet the requirements of drawing, and also can support and connect each component, improve the overall stability of product, reduce the safety risk in production process.

The utility model discloses a high-torque automobile door handle actuator motor capable of being rapidly installed, and the motor is characterized in that the motor comprises a square motor housing, a rotor is rotatably arranged in the motor housing, one end of the motor housing is connected with an end cover in a clamping manner, and four corners of the inner side of the motor housing are respectively provided with a neodymium iron boron magnet; an iron core of the rotor is in a six-groove shape, and two carbon brushes are arranged in the end cover at an interval of 90 degrees, by adopting the method, through the square motor shell, rapid installation and positioning are achieved, screw fastening is not needed, through cooperation of six grooves and four poles, the space of the motor shell is utilized to the maximum extent, the torque of tooth grooves is reduced, and meanwhile through the design of auxiliary grooves, the service life of the motor shell is prolonged. The cogging torque is further reduced, large torque and small cogging torque are achieved, and the use requirement is met.

The utility model discloses a waterproof wear -resisting type slipper relates to slipper technical field, including sole, the top surface bonding of sole has vamp, the top surface of sole is equipped with first drain and second drain, the top of sole is equipped with antiskid salient, the both sides of sole are bonded with first wear -resisting piece, the outer wall mounting of first wear -resisting piece has second wear -resisting piece, one side of first wear -resisting piece is equipped with third wear -resisting piece. This waterproof wear -resisting type slipper is provided with first drain and second drain, when the slipper is contacted with ponding, the user lifts the foot, and the water stain can be discharged quickly through first drain and second drain, prevents the water stain to remain, influences the comfort of wearing, and can first wear -resisting piece, second wear -resisting piece and third wear -resisting piece carry out quick positioning installation dismounting, is convenient for maintenance, and through first wear -resisting piece, second wear -resisting piece and third wear -resisting piece can obviously promote the wear -resisting capacity of slipper.

The utility model relates to circulating water aquaculture filtration technical field discloses a kind of three-dimensional filter devices of circulating water aquaculture, including coarse filter box, the coarse filter box inside is provided with coarse filter screen, the coarse filter box side wall is provided with fine filter box, the fine filter box inside is provided with fine filter screen, the fine filter box side wall is provided with biological filter box, the biological filter box inside is provided with filler plate, the biological filter box side wall is provided with clean water tank, the coarse filter box side wall is provided with cleaning assembly, the biological filter box inside is provided with mounting assembly;The cleaning assembly includes cleaning plate, and the cleaning plate side wall is attached to the coarse filter screen side wall.In the utility model, the chain sprocket and chain transmission driven by motor are used to move the cleaning plate up and down along the coarse filter screen to scrape off impurities, so as to achieve the effect of automatic cleaning of filter screen and prevention of blockage. The above structure improves the automation maintenance efficiency of the filter device and reduces the labor operation cost.

The utility model relates to the application technical field of punch pliers, especially to a punch and crimping pliers convenient to assemble, a punch and crimping pliers convenient to assemble, including first connecting pliers head, first connecting pliers head lower part is connected with second connecting pliers head, its characterized in that: second connecting pliers head with first connecting pliers head between be provided with transmission guide piece and rotate the connection, transmission guide piece one side is connected with transmission pull rod, through pressing fit transmission pull rod with first connecting pliers head, make punch and crimping pliers front end opening, open or close, first connecting pliers head with second connecting pliers head opening end respectively be provided with first pliers head magnetic attraction seat with second pliers head magnetic attraction seat, first pliers head magnetic attraction seat lower part is provided with punch end head with crimping device, first pliers head magnetic attraction seat is used for respectively to punch end head with crimping device magnetism and fix.

This utility model relates to the field of oil drilling machinery technology, and more particularly to a mounting base for a steel drill bit and the steel drill bit itself. The mounting base for the steel drill bit includes a base for mounting the main body of the steel drill bit, multiple connecting components, and two transport positioning components. The multiple connecting components are distributed circumferentially along the base and fixed to its sides, for detachably mounting the base to the drilling platform. The two transport positioning components are detachably mounted on the base, with a first end rotatably connected to the base and a second end optionally connected to the main body of the steel drill bit mounted on the base. This eliminates the need for on-site mounting holes, significantly reducing installation time and improving overall operational efficiency. The base can also be used as a transport base, and the transport positioning components ensure the steel drill bit remains fixed to the base during transport, solving the problems of labor-intensive installation and transportation of steel drill bits, and excessively long installation times.

This invention discloses an installation and positioning device for precast cylindrical bridge piers, comprising four positioning parts assembled together to form a positioning cavity for the precast cylindrical bridge pier. Each positioning part consists of a positioning device, an adjustment device, and a lifting device. The positioning device is mounted on the lifting device and consists of a base plate, a first telescopic device, a second telescopic device, a sleeve, and a laser positioning system. The first and second telescopic devices are mounted on the base plate to drive the sleeve to move radially along the precast cylindrical bridge pier. The laser positioning system is mounted on the side wall of the sleeve. The adjustment device consists of an electric track mechanism and a miniature camera. The electric track mechanism and the miniature camera are mounted on the inner wall of the sleeve, with the miniature camera mounted below the electric track mechanism.

The utility model discloses a convenient wire arrangement device for wind power generation installation, including wire arrangement frame, clamping mechanism and running component, the clamping mechanism includes rotary lever, sliding block, spring, positioning rack and auxiliary assembly the auxiliary assembly includes fixed plate, first bolt and gyro wheel, the running component includes second bolt, third bolt, fixed part and movable part, under the mutual cooperation of above -mentioned mechanism, this device passes through the clamping mechanism fixed cable, avoids the cable displacement because of wind vibration or unit yaw rotation, reduces friction loss, in addition, the clamping block of this device can move along the slide rail to position quickly, reduces manual adjustment time, and the clamping block can move along the slide rail, and accurate matching wiring requirement, and the distance between each cable is same, thereby more beautiful.

A slitting tool for an annular plastic bearing comprises a base used for bearing equipment, a mounting assembly connected with the base and a slitting assembly used for cutting the annular plastic bearing. The slitting assembly is installed on a punching machine, the punching machine comprises a punch and a machine table, the punch is connected with the slitting assembly and used for driving the slitting assembly to do reciprocating motion, and the machine table is connected with the base and used for bearing the base. The mounting assembly comprises a bearing rod, a buffer sleeve and a guide sleeve. The slitting assembly comprises a blade. The guide sleeve is used for enabling the annular plastic bearing to be conveniently and rapidly arranged on the buffer sleeve in a sleeving mode, so that follow-up cutting operation is facilitated, and the production cutting efficiency of enterprises is improved. The buffering sleeve is used for bearing the annular plastic bearing and protecting the blade when the blade cuts the annular plastic bearing, and therefore the service life of the blade is prolonged.

The utility model provides a battery changing battery box for a heavy truck, which comprises a box body for storing a battery component, a box cover for sealing the box body is arranged at the upper end of the box body, positioning assembly plates are arranged on the box body and the box cover, mounting holes are formed in the positioning assembly plates, positioning mechanisms are arranged on two sides of the box body, an adsorption mechanism is arranged on the front surface of the box body, and the adsorption mechanism is arranged on the front surface of the box body. An electrical connection assembly is arranged on the back face of the box body. According to the battery box, the box body and the box cover are quickly positioned and mounted through the positioning assembly plate, so that the whole battery box is quickly, conveniently and reliably mounted, the battery box is quickly mounted on a heavy truck through the positioning mechanism and the adsorption mechanism, and a battery of the heavy truck is quickly replaced.

The utility model discloses a kind of light steel structure reinforcing devices for railway locomotive, it is related to steel structure technical field.The utility model includes fixed assembly, connecting assembly being installed on fixed assembly and crossbeam being installed on connecting assembly, fixed assembly includes the fixed frame with trapezoidal limit slot and first limit piece, connecting assembly includes the connecting frame with trapezoidal lug, second limit part and guide pillar, crossbeam is slidably matched with the crossbeam guide slot on connecting frame by guide block.The utility model realizes quick positioning by the cooperation of trapezoidal groove and lug, completes automatic locking using spring pressing effect, realizes mechanical self-locking by the linkage of guide pillar and cross rotating piece, effectively prevent vibration loosening, simultaneously, quick disassembly is realized by the movement of T-shaped slider in L-shaped limit sliding groove, ensure the reliability of connection, and improve installation and maintenance efficiency.

The utility model relates to a steam box door relevant technical field, concretely is an aluminium alloy steam box door of convenient assembly, including box and box door, the front side outer wall of box is connected with a plurality of connecting rods along the vertical direction equidistance, the end of connecting rod is connected with support rod, the side end of box door is connected with a plurality of and support rod inserts the installation sleeve of cooperation, the rear end of box door is detachably installed with sealing plate, the edge of sealing plate is provided with right angle edge binding structure, the rear end edge of box door is provided with back -type groove, and the front part of right angle edge binding structure is embedded into back -type groove, and the front end inner wall of box door is detachably installed with sealing sleeve, and the front end of sealing sleeve is integrally formed and is set as the strip edge binding structure of outward turning, and the strip edge binding structure surrounds the front end of box, after the box door is closed, the inner circumferential corner of strip edge binding structure and the outer circumferential corner of right angle edge binding structure are butt jointed, realize the close sealing, and box door, sealing plate and sealing sleeve are convenient to dismount and assemble, and it is convenient to maintain.

The utility model provides a pneumatic wrench convenient to install, and belongs to the technical field of pneumatic wrenches. The pneumatic wrench solves the problem that in the prior art, a pneumatic wrench sacrifices the size and the weight for facilitating structural strength. The impact wrench comprises a wrench shell, a striking assembly and an air cylinder assembly, the wrench shell comprises a main body part and a handle part, the main body part is integrally formed, a through mounting cavity is formed in the main body part, the front side of the main body part is narrowed to form a narrowing hole, the narrowing hole is communicated with the mounting cavity, and the striking assembly comprises an anvil block, an impact frame, a striking block and a positioning pin. The anvil block penetrates through the center of the impact frame, the positioning pin is connected with an impact frame body, the striking block is fixedly connected with the positioning pin, the striking block is connected with the anvil block, the air cylinder assembly comprises an air cylinder body and a front end cover, the front end cover is fixedly connected with the front side of the air cylinder body, and the front side of the front end cover is fixedly connected with a driving cam. One end of the driving cam extends into the impact frame and is connected with one end of the anvil block. The utility model has the advantages of convenient installation and higher structural strength.

This invention belongs to the field of transmission system sealing technology and proposes a brush-type sealing structure for rotary sealing. It includes an outer retaining ring, an inner retaining ring, a first upper brush fixing ring, a second upper brush fixing ring, a first lower brush fixing ring, a second lower brush fixing ring, an upper brush filament bundle, and a lower brush filament bundle. The outer retaining ring is composed of a side wall and a bottom wall. The inner retaining ring is located in the middle of the side wall of the outer retaining ring. The second upper brush fixing ring is located on the upper surface of the upper surface of the inner retaining ring, and the second lower brush fixing ring is located on the lower surface of the inner retaining ring. The first lower brush fixing ring is located on the upper surface of the bottom wall of the outer retaining ring. The first upper brush fixing ring is located at an opening in the side wall of the outer retaining ring. An upper brush filament bundle is located between the first and second upper brush fixing rings, and a lower brush filament bundle is located between the first and second lower brush fixing rings. This brush-type sealing structure can simultaneously meet the high-temperature sealing requirements of both static and rotating interfaces, significantly reducing the risk of leakage and achieving long-term stable operation of the system.

The utility model relates to the technical field of thin-type horns, in particular to a thin-type horn structure, which comprises a basin frame, a vibrating diaphragm and a dustproof cap covering the top of the vibrating diaphragm, the periphery of the vibrating diaphragm is annularly attached to the top of the basin frame, a first boss annularly protrudes from the bottom of the dustproof cap, and a second boss annularly protrudes from the top of the vibrating diaphragm. The first boss and the second boss are concentrically arranged and buckled with each other, so that the dustproof cap can be quickly positioned and installed at the top of the vibrating diaphragm, the dustproof cap and the vibrating diaphragm are kept concentric after installation, and harmonic distortion caused by vibrating diaphragm deformation due to uneven stress when the vibrating diaphragm vibrates caused by eccentricity of the dustproof cap is avoided. And the assembly efficiency between the dustproof cap and the vibrating diaphragm can be improved.

This utility model provides a stable base structure for a CNC heavy-duty cutting machine, comprising: a base body, the base body including a bottom frame and an irregular support surface integrally formed on the top of the bottom frame; the support surface including a flat surface located at the center of the top of the bottom frame; the flat surface and the bottom frame being connected by a vertical reinforcing rib located below the center of the bottom of the flat surface; both sides of the flat surface having upwardly protruding surfaces; the other side of the protruding surfaces having a downwardly sloping surface; the other side of the downwardly sloping surface having an arc-shaped connecting surface; and the other side of the arc-shaped connecting surface having an upwardly sloping surface; the other end of the upwardly sloping surface being connected to the edge of the bottom frame; and the irregular support surface being supported by multiple intersecting reinforcing ribs. This stable base structure for the CNC heavy-duty cutting machine is ingeniously designed. Through the structural design of the internal reinforcing ribs and support surface of the base, the strength and stability of the base can be maximized while reducing weight.

The utility model discloses a machine roller of a paper machine, which relates to the technical field of paper machines and comprises a base and a vertical frame, a motor is fixedly mounted on the vertical frame, a heating roller is rotatably mounted on the vertical frame and connected with the output end of the motor, a heating mechanism is arranged on the vertical frame and comprises a fixing pipe, an inserting frame, a heating cover and a heating plate, and the fixing pipe is connected with the inserting frame. The fixing pipe is fixedly installed on the vertical frame, the inserting frame is inserted into the fixing pipe, the heating cover is fixedly installed on the inserting frame, the heating plate is fixedly installed in the heating cover, one end of the heating cover is in an arc shape and covers one side of the heating rollers, and the two sets of heating rollers are matched to extrude paper to remove part of moisture. And meanwhile, the heating cover heats the heating roller, the heated heating roller heats and dries the paper when extruding the paper, and the inserting frame can be pulled out of the fixing pipe by unscrewing the fixing bolt, so that the heating cover is rapidly overhauled.

This utility model discloses an auxiliary device for improving the accuracy of gas chromatography determination of N,N-dimethylformamide in water, belonging to the technical field of N,N-dimethylformamide determination. This auxiliary device includes an auxiliary mechanism and a filtration mechanism. The auxiliary mechanism includes a housing with a door hinged to one side of the upper end via a pair of hinges. A water inlet pipe is installed at the upper end of the door, and a drain pipe is installed at the center of the bottom end of the housing. A limiting frame is installed at the bottom of the housing. The filtration mechanism includes a mounting frame with a pair of equal-dividing plates fixedly installed inside. Slide rails are installed on both sides of the mounting frame at the bottom of the pair of equal-dividing plates. A filter layer and an adsorption layer are slidably installed between the two pairs of slide rails. This utility model can effectively improve the accuracy of gas chromatography determination of N,N-dimethylformamide and has high practical value.

The utility model belongs to the technical field of floors, and discloses a high-strength anti-static floor which comprises a frame, a floor body, connecting pipes, supporting leg assemblies and auxiliary supporting assemblies. Floors are fixedly arranged on the frames; the plurality of supporting leg assemblies are uniformly distributed and arranged to form a plurality of squares; the square support assemblies are jointly, detachably and fixedly provided with a frame. The frame is clamped with the four corresponding support assemblies; every two adjacent supporting leg assemblies are detachably and fixedly connected through a connecting pipe. An auxiliary supporting assembly is detachably and fixedly arranged below each frame. According to the utility model, rapid assembly of the connecting pipe, the supporting leg assembly and the frame is realized, and the working efficiency is improved; the ground is supported and protected through the frame, and the overall strength of the floor is improved; the frame and the floor can be supported in an auxiliary mode through the auxiliary supporting assembly, and the overall strength of the floor is further improved; the auxiliary supporting assembly is connected with the frame in a magnetic attraction mode, and rapid installation and positioning can be achieved.

The utility model relates to the technical field of welding, and discloses a positioning device for a welding robot, which comprises a welding head, the front side of the welding head is fixedly connected with a support plate, the inside of the support plate is rotatably connected with a rotating rod, the rear side of the rotating rod is fixedly connected with a hexagonal block, the other end of the rotating rod is fixedly connected with a circular truncated cone, and the circular truncated cone is fixedly connected with the welding head. A plurality of sliding columns are slidably connected to the interior of the circular truncated cone, sliding rails are fixedly connected to the rear sides of the sliding columns, clamping blocks are fixedly connected to the front sides of the sliding rails, fixing blocks are installed on the inner sides of the clamping blocks, sliding blocks are slidably connected to the rear sides of the sliding rails, and ratchet wheels are fixedly connected to the outer sides of rotating rods. The rotating hexagonal block drives the circular truncated cone to rotate, the clamping blocks are driven by the sliding column to be tightened or loosened synchronously, self-locking fixing is achieved through the ratchet wheel and pawl mechanism, installation of the welding robot positioner is simplified, efficiency is improved, and operation difficulty is reduced.

The application provides a differential housing bounce detection device, and relates to the technical field of differential housing detection, which comprises a base and a detection head, a supporting seat is arranged at the middle of the upper end of the base, a rotating seat is arranged at the middle of the upper end of the supporting seat, and the rotating seat is movably installed at the middle of the upper end of the supporting seat through a rotating bearing; a center column is arranged at the middle of the upper end of the rotating seat, the center column is vertically installed at the center point of the rotating seat, and an inner expansion collet is arranged at the bottom of the center column. The positioning structure formed by the cooperation of the taper pressing block and the inner expansion collet can be used for fixing and positioning the differential housing on the basis of the center column, so that the detection accuracy is effectively improved. In the use process, the detection of differential housings of various models can be realized by only replacing the accessories according to the model of the differential housing to be detected, the tool versatility is improved, and the equipment cost and management cost are effectively reduced.

The utility model discloses an internal mold supporting device for prefabricating a box girder, which comprises a mounting plate, a quick assembly is arranged at the top of the mounting plate, the quick assembly comprises a threaded rod and a first moving plate, the threaded rod is connected to the top of the mounting plate through a bearing, and the first moving plate is connected to the side wall of the threaded rod through threads. First U-shaped frames are fixedly installed on the two sides of the first movable plate respectively, and connecting rods are hinged to the inner side walls of the first U-shaped frames. According to the internal mold supporting device for prefabricating the box girder, the whole internal mold supporting device can be rapidly fixed in an internal mold through the arranged rapid assembly assembly, fixing is easy and convenient, fixing work can be easily completed by one worker, unnecessary workload is effectively reduced, the working efficiency of the worker is guaranteed, work can be completed within the shortest time, and the working efficiency of the worker is improved. And the working process is not affected, the using effect is improved accordingly, and application and popularization are facilitated.

The utility model discloses an electric motorcycle with a shell capable of being quickly disassembled and replaced, which relates to the technical field of electric motorcycles and comprises an electric motorcycle, a frame and battery shells, the frame and the battery shells are arranged in the electric motorcycle, and the battery shells are arranged on two sides of the lower end of the frame. Two symmetrically-arranged limiting frames are fixedly arranged in the lower end of the frame, baffles are arranged on the two sides of the lower end of the outer wall of the frame in a contact mode, the battery shells are arranged between the baffles and the limiting frames, connecting rods are fixedly arranged at the two ends of the bottom of the frame, and a mounting plate is jointly and fixedly arranged at the lower ends of the two connecting rods. And a movable dismounting mechanism for driving the baffle to move is arranged between the mounting plate and the baffle. According to the utility model, the battery shell can be quickly mounted and positioned, and the battery shell can be conveniently and quickly replaced after being abraded.

The utility model discloses a natural gas leakage alarm device convenient to install, which is characterized in that a positioning part comprises an arc-shaped positioning plate I and an arc-shaped positioning plate II, a connecting plate I and a connecting plate II are respectively arranged at two ends of the arc-shaped positioning plate I, and a connecting plate III and a connecting plate IV are respectively arranged at two ends of the arc-shaped positioning plate II; a hinged plate is arranged between the second connecting plate and the third connecting plate, the two ends of the hinged plate are hinged to the second connecting plate and the third connecting plate respectively, and connecting parts are arranged on the first connecting plate and the fourth connecting plate. Clamping parts are arranged on the inner surfaces of the arc-shaped positioning plate I and the arc-shaped positioning plate II; an angle adjusting part is arranged on the outer surface of the first arc-shaped positioning plate, a position adjusting part is arranged at the end, away from the first arc-shaped positioning plate, of the angle adjusting part, and a probe in signal connection with the controller is arranged on the side face of the controller. The device has the advantages that the device can be quickly and conveniently mounted and fixed on natural gas pipelines with different specifications, the orientation and the position of the probe are adjustable, and the natural gas detection precision is improved.

The utility model belongs to corrugated steel plate technical field, specifically tunnel corrugated steel plate reinforcing device, including the corrugated board, the top of corrugated board is firmly connected with the connecting plate, the side wall of connecting plate top is firmly connected with the sealing block, the top of sealing block is equipped with the sealing groove, the side wall of corrugated board is provided with the protection assembly, the protection assembly includes the protection shell, the protection shell sliding connection is in the side wall of corrugated board, the top of protection shell is firmly connected with the rectangle strip, the middle part of rectangle strip is provided with the limit component, the bottom of protection shell is firmly connected with the sealing strip, the side wall of corrugated board bottom is penetrated and is connected with the bolt of screw thread, the bottom of the side wall of connecting plate is equipped with the threaded hole in sealing block, through the cooperation between the rectangle strip, the protection shell, the sealing strip, the sliding block, the sealing block and the sealing groove, the bolt of fixed wave plate can be protected, guarantees after through the bolt and fixes multiple wave plate together, and the risk of bolt loosening caused by external erosion is reduced.

The utility model relates to the technical field of dies, in particular to a lower die holder structure of a die, which comprises a supporting mechanism, a lower die holder, a lower die holder and a lower die holder, the supporting mechanism comprises a bottom plate, guide posts are arranged at four corners of the top end of the bottom plate, and two cushions are symmetrically arranged at the bottom end of the bottom plate; the lower mold plate is arranged in the middle of the top end of the supporting mechanism, the lower mold plate comprises a lower mold, and a mold groove is formed in the lower mold; the positioning mechanisms are arranged at the top end of the supporting mechanism and penetrate through the lower die plate, each positioning mechanism comprises a base, an iron core is arranged at the top end of each base, and an enameled wire is wound on the outer edge face of each iron core. The lower die has the advantages of being simple in structure, reasonable in design, capable of rapidly positioning and improving the disassembly and assembly efficiency and the production efficiency of the lower die, and worthy of being vigorously popularized and applied.

The utility model provides a kind of prefabricated building wallboard quick positioning installation device, comprising: installation base component, installation base component is equipped with a for driving installation frame component lifting retraction wheel, compared with prior art, the utility model has the beneficial effects as follows: by increasing installation base component, intermediate column, hoisting assembly and installation frame component, the clamping seat distributed in upper and lower clamps prefabricated building wallboard, retraction wheel positive and negative rotation retraction lifting pull rope, lifting pull rope drives installation frame component to move according to the position to be installed, and make guide slide block auxiliary lifting stable linear movement, and can be moved to fine adjustment to clamping seat, to be able to realize quick positioning installation, by increasing installation base component, intermediate column and hoisting assembly, according to the installation height of prefabricated building wallboard selects several groups of intermediate column and is installed between lower column body and hoisting frame, to be able to realize height adjustment according to installation position.