CN213294560U - Lifting platform truck - Google Patents

Abstract

The utility model discloses a lifting platform car, including chassis part, platform part, lifting unit, transmission part, chassis part upper portion is located to platform part and is connected through lifting unit, and the lower part is equipped with transmission part in the lifting unit, the utility model discloses can artifical promotion, it is convenient to remove, waves the speed reducer input shaft through the crank, and the output shaft of speed reducer drives the lead screw rotation, and the lead screw drives the screw connecting rod and removes to the scissors formula motion is done to the inside and outside lifter of drive, with platform part jack-up, play the effect of lift, the device is fit for the following high operation of lift of 2m, and applicable in the mine underworkings tunnelling in-process is drilled and is used, and the device simple structure, processing is easy, with low costs, the transmission axial force is big, can auto-lock, maintains simply.

Description

Lifting platform truck

Technical Field

The utility model relates to a lifting platform field of relevance specifically is a lifting platform car.

Background

The lifting platform is a multifunctional hoisting mechanical device, is mainly used in logistics industry and production line at present, has the characteristics of high lifting speed, stable lifting, capability of being frequently started, bearing heavy load and the like, and meets the requirements of horizontal conveying in multiple aspects.

The traditional lifting platform vehicle is hydraulic and pneumatic, the pneumatic lifting platform is convenient to carry and is deeply favored by users due to light weight, but the existing hydraulic and pneumatic lifting platform is not easy to disassemble and assemble after being damaged, is difficult to maintain, has high maintenance cost, and is not suitable for underground tunneling of mines.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above insufficiency, the utility model discloses herein provide a lifting platform car.

The utility model discloses a realize like this, construct a lifting platform car, the device include chassis part, platform part, lift subtotal transmission part, chassis part upper portion is located to the platform part and is connected through the lift subtotal, the lower part is equipped with transmission part in the lift part.

Preferably, the chassis part comprises wheelset, channel-section steel chassis, axle card bolt, the fixed ear of interior lifter and speed reducer tray, the channel-section steel chassis is makeed by four channel-section steel welding, and the groove of horizontal channel-section steel dashes inwards, and the groove of vertical channel-section steel dashes outwards, and the welding has two axle cards under every channel-section steel, be equipped with the bolt hole on the axle card, the wheelset assembly is in the axle card to penetrate the axle card bolt by the bolt hole on the axle card and fix, the fixed ear of interior lifter and speed reducer tray weld on the vertical channel-section steel of channel-section steel chassis.

Preferably, the platform part comprises platform slide, decorative pattern board, platform frame, the fixed ear of outer lifter and stull, the platform frame is makeed by four seamless pipe welding, horizontal two seamless pipes, vertical two seamless pipes, the stull welds inside the platform frame, the platform slide welds in the platform frame lower part, the upper portion of platform frame is laid to the decorative pattern board, the fixed ear welding of outer lifter is below the vertical seamless pipe of platform frame.

Preferably, the lifting part consists of an inner lifting rod, an outer lifting rod, pin hole bolts and pulley bolt sets, the inner lifting rod is provided with three pin holes, the pin holes are respectively arranged at two ends and a middle position, the outer lifting rod is respectively provided with three pin holes and a nut connecting rod assembling hole, the pin holes are respectively arranged at two ends and a middle position, the nut connecting rod assembling hole is arranged near the pin hole close to the edge, one end of the pin hole at two ends of the inner lifting rod is fixed on the inner lifting rod fixing lug of the chassis part and assembled and fixed by the pin hole bolts, the other end of the pin hole is assembled and fixed by the pulley bolt set, the pulley bolt set assembled by the inner lifting rod is embedded into the platform slideway, one end of the pin hole at two ends of the outer lifting rod is fixed on the outer lifting rod fixing lug of the platform part and assembled and fixed by the pin hole bolts, the pulley bolt set is assembled at the other end of the outer lifting rod is embedded into the grooves of two transverse, the pin hole in the middle of the inner lifting rod is concentric with the middle pin hole of the outer lifting rod and is assembled and fixed through a pin hole bolt.

Preferably, the transmission part comprises screw connecting rod, lead screw, universal shaft, shaft coupling, speed reducer bolt and crank, screw connecting rod center welding has a screw to by the lead screw revolve to this screw in, the lead screw right side is equipped with the universal shaft, the universal shaft on the lead screw passes through the coupling joint with the output shaft of speed reducer, the speed reducer assembly is on chassis part's speed reducer tray to by speed reducer bolt fastening, the crank assembles with the input shaft of speed reducer, screw connecting rod embedding is in the screw connecting rod mounting hole on the outer lifter.

Preferably, the wheel sets of the chassis part are provided with two sets, the shaft clamps are provided with four sets, the shaft clamp bolts are provided with four sets, and the inner lifting rod fixing lugs are provided with two sets.

Preferably, the platform slide ways of the platform part are provided with two sets, the outer lifting rod fixing lugs are provided with two sets, and the cross braces are provided with two sets.

Preferably, the lifting part is provided with two inner lifting rods, two outer lifting rods, six sets of pin hole bolts and four sets of pulley bolt sets.

Preferably, four sets of speed reducer bolts of the transmission part are arranged.

Preferably, the two platform slideways are channel steel, and the channel of the channel steel is punched to the inner side.

Preferably, the coupling of the transmission part is used for connecting a universal shaft on the screw rod and an output shaft of the speed reducer, the coupling can also adopt a bearing seat, the bearing seat is fixed on a tray of the speed reducer, a bearing is arranged in the bearing seat and is assembled with a short shaft, one section of each of two ends of the short shaft is connected with the universal shaft on the screw rod, and one end of the short shaft is connected with the output shaft of the speed reducer.

The utility model has the advantages of as follows: the utility model discloses an improve and provide a lifting platform car here, compare with equipment of the same type, have following improvement:

the advantages are that: a lifting platform car can artifical promotion, it is convenient to remove, wave the speed reducer input shaft through the crank, the output shaft of speed reducer drives the lead screw rotation, the lead screw drives the screw connecting rod and removes, thereby scissors formula motion is to the inside and outside lifter of drive, with platform part jack-up, the effect of playing the lift, the device is fit for the operation of the lift height below 2m, applicable in the mine underworkings tunnelling in-process and is beaten the brill and use, and the device simple structure, the processing is easy, with low costs, the transmission axial force is big, can auto-lock, it is simple to maintain.

Drawings

FIG. 1 is a schematic view of the principle structure of the present invention;

FIG. 2 is an assembled top view of the screw, the nut connecting rod, the outer lifting rod and the pulley bolt set of the present invention;

FIG. 3 is a schematic front view of the bottom frame of the present invention;

fig. 4 is a schematic top view of the bottom frame of the present invention;

FIG. 5 is a schematic view of the front view of the platform of the present invention;

fig. 6 is a schematic top view of the platform of the present invention;

FIG. 7 is a front view of the elevating part of the present invention;

fig. 8 is a schematic top view of the elevating portion of the present invention;

fig. 9 is a schematic view of the front-view explosion structure of the transmission part of the present invention.

Wherein: the device comprises a wheel set-1, a channel steel underframe-2, a shaft clamp-3, a shaft clamp bolt-4, an inner lifting rod fixing lug-5, a speed reducer tray-6, a platform slideway-7, a pattern plate-8, a platform frame-9, an outer lifting rod fixing lug-10, a cross brace-11, an inner lifting rod-12, an outer lifting rod-13, a pin hole bolt-14, a pulley bolt set-15, a nut connecting rod-16, a screw rod-17, a universal shaft-18, a coupler-19, a speed reducer-20, a speed reducer bolt-21 and a crank-22.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings 1-9, wherein the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses an improve and provide a lifting platform car here, including chassis part, platform part, lift subtotal transmission part, the platform part is located chassis part upper portion and is connected through the lift subtotal, the lower part is equipped with transmission part in the lift part.

Further, the chassis part comprises wheelset 1, channel-section steel chassis 2, axle card 3, axle clamp bolt 4, the fixed ear of interior lifter 5 and speed reducer tray 6, channel-section steel chassis 2 is makeed by four channel-section steel welding, and the groove of horizontal channel-section steel dashes inwards, and the groove of vertical channel-section steel dashes outwards, and the welding has two axle clamps 3 under every channel-section steel, be equipped with the bolt hole on the axle clamp 3, wheelset 1 assembles in axle clamp 3 to penetrate axle clamp bolt 4 by the bolt hole on the axle clamp 3 and fix, the fixed ear of interior lifter 5 and speed reducer tray 6 weld on the vertical channel-section steel of channel-section steel chassis 2.

Further, the platform part comprises platform slide 7, checkered plate 8, platform frame 9, outer lifter fixed ear 10 and stull 11, platform frame 9 is by four seamless pipe welding preparation, horizontal two seamless pipes, vertical two seamless pipes, stull 11 welds inside platform frame 9, platform slide 7 welds in platform frame 9 lower part, checkered plate 8 lays in the upper portion of platform frame 9, outer lifter fixed ear 10 welds below the vertical seamless pipe of platform frame 9.

Further, the lifting part is composed of an inner lifting rod 12, an outer lifting rod 13, pin hole bolts 14 and pulley bolt sets 15, the inner lifting rod 12 is provided with three pin holes which are respectively arranged at two ends and a middle position, the outer lifting rod 13 is respectively provided with three pin holes and a nut connecting rod assembling hole, the pin holes are respectively arranged at two ends and a middle position, the nut connecting rod assembling holes are arranged near the pin holes near the edges, one end of the pin holes at two ends of the inner lifting rod 12 is fixed on the inner lifting rod fixing lug 5 of the chassis part and assembled and fixed by the pin hole bolts 14, the other end is assembled with the pulley bolt sets 15, the pulley bolt sets 15 assembled with the inner lifting rod 12 are embedded into the platform slideway 7, one end of the pin holes at two ends of the outer lifting rod 13 is fixed on the outer lifting rod fixing lug 10 of the platform part and assembled and fixed by the pin hole bolts 14, and the other end is assembled with the pulley bolt sets 15, the pulley bolt set 15 assembled by the outer lifting rod 13 is embedded into the grooves of two transverse channel steels of the channel steel underframe 2, and a pin hole in the middle of the inner lifting rod 12 is concentric with a pin hole in the middle of the outer lifting rod 13 and is assembled and fixed by a pin hole bolt 14.

Further, the transmission part comprises a nut connecting rod 16, a screw rod 17, a universal shaft 18, a coupler 19, a speed reducer 20, a speed reducer bolt 21 and a crank 22, wherein a nut is welded at the center of the nut connecting rod 16 and is rotated into the nut by the screw rod 17, the universal shaft 18 is assembled on the right side of the screw rod 17, the universal shaft 18 on the screw rod 17 is connected with an output shaft of the speed reducer 20 through the coupler 19, the speed reducer 20 is assembled on a speed reducer tray 6 of the chassis part and is fixed by the speed reducer bolt 21, the crank 22 is assembled with an input shaft of the speed reducer 20, and the nut connecting rod 16 is embedded into a nut connecting rod assembling hole on the outer lifting rod 13.

Furthermore, the wheel sets 1 of the chassis part are provided with two sets, the shaft clamps 3 are provided with four sets, the shaft clamp bolts 4 are provided with four sets, and the inner lifting rod fixing lugs 5 are provided with two sets.

Furthermore, two platform slideways 7 of the platform part are arranged, two sets of outer lifting rod fixing lugs 10 are arranged, and two cross braces 11 are arranged.

Further, the number of the inner lifting rods 12 of the lifting part is two, the number of the outer lifting rods 13 is two, six sets of pin hole bolts 14 are provided, and four sets of pulley bolt sets 15 are provided.

Furthermore, four sets of speed reducer bolts 21 of the transmission part are arranged, so that the stability of the speed reducer 20 and the speed reducer tray 6 after assembly is ensured.

Further, two platform slide 7 chooses the channel-section steel for use, and the groove of this channel-section steel dashes to inboard.

Further, a coupling 19 of the transmission part is used for connecting a universal shaft 18 on the screw 17 with an output shaft of the speed reducer 20, the coupling 19 can also adopt a bearing seat, the bearing seat is fixed on the speed reducer tray 6, a bearing is arranged in the bearing seat and is assembled with a short shaft, one section of each of two ends of the short shaft is connected with the universal shaft 18 on the screw 17, and one end of the short shaft is connected with the output shaft of the speed reducer 20.

The utility model discloses an improvement provides a lifting platform car, its theory of operation as follows:

firstly, two shaft clamps 3 are welded at the bottom of a channel steel underframe 2, bolt holes are formed in the shaft clamps 3, a wheel set 1 is assembled in the shaft clamps 3, shaft clamp bolts 4 penetrate through the bolt holes in the shaft clamps 3 for fixing, the wheel set 1 supports and moves, an inner lifting rod fixing lug 5 and a speed reducer tray 6 are welded on a longitudinal channel steel of the channel steel underframe 2, the arranged inner lifting rod fixing lug 5 is used for connecting the lower end of an outer lifting rod 13, and the speed reducer tray 6 is used for assembling and fixing a speed reducer 20;

secondly, a cross brace 11 is welded inside a platform frame 9 and used for supporting a checkered plate 8, a platform slideway 7 is welded at the lower part of the platform frame 9 and connected with the upper end of an outer lifting rod 13, the checkered plate 8 is laid at the upper part of the platform frame 9, an outer lifting rod fixing lug 10 is welded below a longitudinal seamless pipe of the platform frame 9, and an outer lifting rod fixing lug 10 is connected with the upper end of an inner lifting rod 12; the inner lifting rod 12, the outer lifting rod 13, the pin hole bolt 14 and the pulley bolt group 15;

thirdly, the lower end of the inner lifting rod 12 is connected with a nut connecting rod 16, a pin hole in the middle of the inner lifting rod 12 is concentric with a middle pin hole of the outer lifting rod 13 and is assembled and fixed through pin hole bolts 14 and mutually crossed to form scissor-type movement, a pulley bolt group 15 assembled on the inner lifting rod 12 is embedded into the platform slideway 7 to slide, and the pulley bolt group 15 assembled on the inner lifting rod 13 and the outer lifting rod 13 is embedded into grooves of two transverse channel steels of the channel steel underframe 2;

fourthly, a nut is welded at the center of a nut connecting rod 16 and is rotated into the nut by a screw rod 17, a universal shaft 18 is assembled at the right side of the screw rod 17, the universal shaft 18 on the screw rod 17 is connected with an output shaft of a speed reducer 20 through a coupling 19, the speed reducer 20 is assembled on a speed reducer tray 6 of the chassis part and is fixed by a speed reducer bolt 21 and supported by the speed reducer tray 6, a crank 22 is assembled with an input shaft of the speed reducer 20, and the input shaft of the speed reducer 20 is driven to rotate by rotating the crank 2;

fifthly, the output shaft of the speed reducer 20 drives the screw rod 17 to rotate after being transmitted by the cardan shaft, and then the screw rod 17 drives the nut connecting rod 16 to move, so that the inner lifting rod 12 and the outer lifting rod 13 are mutually crossed to move in a scissor type manner, and the platform part is lifted.

The utility model discloses an improvement provides a lifting platform car, can artifical promotion, it is convenient to remove, wave 20 input shafts of speed reducer through crank 22, speed reducer 20's output shaft drives lead screw 17 rotatory, lead screw 17 drives screw connecting rod 16 and removes, thereby it is scissors formula motion to drive inside and outside lifter, with platform part jack-up, the effect of lift is played, the device is fit for the operation of the following lift height of 2m, it is applicable in the use of boring in the mine underworkings tunnelling in-process, and the device simple structure, easy processing, with low costs, transmission axial force is big, can the auto-lock, it is simple to maintain.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (1)

1. The utility model provides a lifting platform car which characterized in that: including chassis part, platform part, lift part, transmission part, chassis part upper portion is located to the platform part and is connected through the lift part, the lower part is equipped with transmission part in the lift part, the chassis part comprises wheelset (1), channel-section steel chassis (2), axle card (3), axle fastening bolt (4), interior lifter fixed ear (5) and speed reducer tray (6), channel-section steel chassis (2) are by four channel-section steel welding preparation, the groove of horizontal channel-section steel dashes inwards, the groove of vertical channel-section steel dashes outwards, the welding has two axle clamps (3) under every channel-section steel, be equipped with the bolt hole on axle clamp (3), wheelset (1) assembles in axle clamp (3) to penetrate axle fastening bolt (4) and fix by axle clamp (3) upper bolt hole, interior lifter fixed ear (5) and tray (6) weld on the vertical channel-section steel of channel-section steel chassis (2), the structure is characterized in that the platform part comprises a platform slide way (7), a checkered plate (8), a platform frame (9), outer lifting rod fixing lugs (10) and cross braces (11), the platform frame (9) is made by welding four seamless pipes, the two seamless pipes are horizontal, the two seamless pipes are vertical, the cross braces (11) are welded in the platform frame (9), the platform slide way (7) is welded at the lower part of the platform frame (9), the checkered plate (8) is laid at the upper part of the platform frame (9), the outer lifting rod fixing lugs (10) are welded below the vertical seamless pipes of the platform frame (9), the lifting part comprises an inner lifting rod (12), an outer lifting rod (13), pin hole bolts (14) and pulley bolt groups (15), the inner lifting rod (12) is provided with three pin holes which are respectively arranged at two ends and a middle position, the outer lifting rod (13) is respectively provided with three pin holes and a screw nut connecting rod assembling hole, and the pin holes are respectively arranged at two ends and the middle position, the screw nut connecting rod assembly holes are arranged near the pin holes close to the edge, one end of the pin hole at two ends of the inner lifting rod (12) is fixed on the inner lifting rod fixing lug (5) of the chassis part and is assembled and fixed by a pin hole bolt (14), the other end is assembled with a pulley bolt group (15), the pulley bolt group (15) assembled by the inner lifting rod (12) is embedded into the platform slideway (7), one end of the pin hole at two ends of the outer lifting rod (13) is fixed on the outer lifting rod fixing lug (10) of the platform part and is assembled and fixed by a pin hole bolt (14), the pulley bolt group (15) is assembled at the other end, the pulley bolt group (15) assembled by the outer lifting rod (13) is embedded into the grooves of two transverse channel steel of the chassis (2), the pin hole in the middle of the inner lifting rod (12) is concentric with the middle pin hole of the outer lifting rod, the transmission part is composed of a nut connecting rod (16), a screw rod (17), a universal shaft (18), a coupler (19), a speed reducer (20), a speed reducer bolt (21) and a crank (22), a nut is welded in the center of the nut connecting rod (16) and is rotated into the nut through the screw rod (17), the universal shaft (18) is assembled on the right side of the screw rod (17), the universal shaft (18) on the screw rod (17) is connected with an output shaft of the speed reducer (20) through the coupler (19), the speed reducer (20) is assembled on a speed reducer tray (6) of the chassis part and is fixed through the speed reducer bolt (21), the crank (22) is assembled with an input shaft of the speed reducer (20), and the nut connecting rod (16) is embedded into a nut connecting rod assembling hole in an outer lifting rod (13).

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