CN210366809U

CN210366809U - Lifting mechanism of double-column hydraulic lifter

Info

Publication number: CN210366809U
Application number: CN201921232597.7U
Authority: CN
Inventors: 周渊; 李忠贵; 李明生
Original assignee: Chengdu Hongtu Luqiao Machine Co ltd
Current assignee: Chengdu Hongtu Luqiao Machine Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-04-21
Anticipated expiration: 2029-07-31

Abstract

The utility model discloses a lifting mechanism of a double-column hydraulic lifter, which comprises a hydraulic system, a stand column, a stabilizing plate and a lifting component, wherein the hydraulic system is fixed on one side wall of the stand column, the stand column is of a hollow structure, and the lower end surface of the stand column is fixedly arranged on the upper surface of the stabilizing plate; the lifting assembly comprises a hydraulic lifting rod, a lifting support plate, a lifting box and a chain, one end of the hydraulic lifting rod is installed on the upper surface of the stabilizing plate, the hydraulic lifting rod is located in the hollow structure of the stand column, the lifting box is fixedly installed on the top end of the hydraulic lifting rod, chain wheels are symmetrically arranged on the inner wall of the lifting box, the lifting support plate is installed on the stand column, and the lifting support plate is matched with the chain wheels through the chain to lift. The utility model discloses change traditional crossbeam structure into the lift that hydraulic pressure lift and chain drive's cooperation realized the trailing arm, this mode further reduces the extreme lower position of trailing arm for its altitude mixture demand to vehicle chassis reduces, has enlarged the suitability scope to various vehicles.

Description

Lifting mechanism of double-column hydraulic lifter

Technical Field

The utility model relates to an automobile elevator field, the more specifically lifting mechanism of twin columns hydraulic pressure elevator that says so.

Background

The double-column automobile lifter is one kind of lifting equipment for automobile repairing and maintaining department and is used widely in maintaining and repairing car and other small automobile. At present, a plurality of manufacturers produce automobile lifters nationwide, the types of the produced lifters are various, and the automobile lifters comprise double-column type lifters, four-column type lifters, shear type lifters, combined mobile automobile type lifters and the like.

However, in the double-column type lifting machine, because a beam type structure is adopted, the lowest position of the supporting arm is higher, the requirement on the vehicle chassis is higher, the applicable vehicle range is smaller, and the practicability is lower; if the screw type lifting machine is selected, the equipment is abraded greatly when the screw type lifting machine is used, and the service life is short.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a lifting mechanism of twin columns hydraulic pressure machine of lifting, the utility model discloses change traditional crossbeam structure for hydraulic pressure lift and the lift of chain drive's cooperation realization trailing arm, this mode further reduces the extreme lower position of trailing arm for its high requirement to vehicle chassis reduces, has enlarged the suitability scope to various vehicles.

The embodiment of the utility model is realized like this:

a lifting mechanism of a double-column hydraulic lifter comprises a hydraulic system, a stand column, a stabilizing plate and a lifting assembly, wherein the hydraulic system is fixed on one side wall of the stand column, the stand column is of a hollow structure, and the lower end surface of the stand column is fixedly arranged on the upper surface of the stabilizing plate;

the subassembly of lifting includes hydraulic pressure lift pole, lifts the layer board, lifts case and chain, hydraulic pressure lift pole one end install in the steadying plate upper surface, and hydraulic pressure lift the pole and be located in the hollow structure of stand, lift case fixed mounting in hydraulic pressure lift the top of pole, lift incasement wall and go up the symmetry and be equipped with the sprocket, it installs on the stand to lift the layer board, it realizes going up and down through chain and sprocket cooperation to lift the layer board.

Preferably, the lifting support plate comprises two asymmetric supporting arms and a fixed seat, the fixed seat is composed of a lifting portion arranged in the stand hollow structure and a fixed portion arranged on the stand in a sliding mode, the lifting portion is provided with a movable pull rod, one end of the movable pull rod is fixedly arranged in the lifting portion, the other end of the movable pull rod is fixedly connected with one end of a chain, the stable plate is further provided with a fixed pull rod, the other end of the chain is connected with the fixed pull rod by bypassing a chain wheel, and the supporting arms are fixedly arranged on the fixed portion.

Preferably, the stand sets up and is equipped with the safety lock on hydraulic system's the lateral wall, be equipped with the rack in the lifting unit, the rack is located lifting unit and is close to the safety lock end, and the rack realizes the auto-lock with the safety lock cooperation.

Preferably, the safety lock includes insurance hole board, insurance hole supporting seat and electro-magnet, the insurance hole supporting seat is installed on the lateral wall of stand, the electro-magnet with the insurance hole board is all installed on the insurance hole supporting seat, and the electro-magnet is located the outside of stand lateral wall, and the insurance hole board is located the inboard of stand lateral wall, the auto-lock is realized with the rack cooperation to the insurance hole board, the rack is the unilateral tooth.

Preferably, the rollers are symmetrically arranged on the outer wall of the lifting box corresponding to the chain wheel, and a sliding groove matched with the rollers is arranged in the hollow structure of the upright post.

Preferably, the number of the chain wheels and the number of the rollers are two.

The utility model has the advantages that: the utility model changes the traditional beam structure into the cooperation of hydraulic lifting and chain transmission to realize the lifting of the bracket arm, and the mode further reduces the lowest position of the bracket arm, so that the height requirement of the bracket arm on the vehicle chassis is reduced, and the applicability range of various vehicles is expanded; the structure has no cross beam and is simple in structure, reliable in performance, low in energy consumption, simple in operation, small in abrasion in the using process and effectively prolonged in service life of equipment.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the structure of the utility model in the initial state of the front view;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the status and structure of the utility model after the front view is lifted;

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

fig. 5 is a schematic view of the safety lock of the present invention.

Icon: 1-hydraulic system, 2-upright post, 201-sliding groove, 3-stabilizing plate, 4-hydraulic lifting rod, 5-lifting supporting plate, 501-supporting arm, 502-fixed seat, 503-rack, 504-movable pull rod, 505-fixed pull rod, 6-lifting box, 601-chain wheel, 602-roller, 7-chain, 8-safety lock, 801-safety hole plate, 802-safety hole supporting seat and 803-electromagnet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Examples

As shown in fig. 1 to 5, the present embodiment provides a technical solution: a lifting mechanism of a double-column hydraulic lifter comprises a hydraulic system 1, a stand column 2, a stabilizing plate 3 and a lifting assembly, wherein the hydraulic system 1 is fixed on one side wall of the stand column 2, the stand column 2 is of a hollow structure, and the lower end face of the stand column 2 is fixedly arranged on the upper surface of the stabilizing plate 3; the subassembly of lifting includes that hydraulic pressure lifts pole 4, lifts layer board 5, lifts case 6 and chain 7, hydraulic pressure lifts pole 4 one end install in 3 upper surfaces of stabilizer plate, and hydraulic pressure lifts pole 4 and is located in the hollow structure of stand 2, 6 fixed mounting of case in hydraulic pressure lifts the top of pole 4, lifts the symmetry on the 6 inner walls of case and is equipped with sprocket 601, lift layer board 5 installs on stand 2, lift layer board 5 realizes going up and down through chain 7 and sprocket 601 cooperation. The utility model changes the traditional beam structure into the cooperation of hydraulic lifting and chain transmission to realize the lifting of the supporting arm 501, and the mode further reduces the lowest position of the supporting arm 501, so that the height requirement of the supporting arm on the vehicle chassis is reduced, and the applicability range of various vehicles is expanded; the structure has no cross beam and is simple in structure, reliable in performance, low in energy consumption, simple in operation, small in abrasion in the using process and effectively prolonged in service life of equipment.

Lifting support plate 5 includes two asymmetric trailing arms 501 and fixing base 502, fixing base 502 comprises the fixed part of installing lifting portion and slidable mounting on stand 2 in the stand 2 hollow structure, lifting portion is equipped with movable pull rod 504, movable pull rod 504 one end fixed mounting in lifting portion, the other end of movable pull rod 504 with the one end fixed connection of chain 7, still be equipped with fixed pull rod 505 on the stabilizer plate 3, the other end of chain 7 is walked around sprocket 601 and is connected with fixed pull rod 505, trailing arm 501 fixed mounting is on the fixed part. The asymmetric supporting arm 501 structure increases the width of the supporting arm 501, substantially increases the working range of the supporting arm 501, and simultaneously achieves the lifting purpose by adopting the matching of the chain 7 and the chain wheel 601, and the chain transmission has no elastic sliding and slipping, can keep accurate average transmission ratio, has small required tension, small pressure acting on a shaft, can reduce the friction loss of a bearing, has compact structure, and can work under severe environment conditions of higher temperature, greasy dirt and the like; compared with gear transmission, the requirements on manufacturing and mounting precision of the chain transmission are lower; when the center distance is larger, the transmission structure is simple; the chain transmission has accurate average transmission ratio, high transmission efficiency and larger adaptation range of the distance between the shafts, and can be used in the environment with higher humidity.

The upright column 2 is provided with a safety lock 8 on the side wall of the hydraulic system 1, the lifting part is provided with a rack 503, the rack 503 is positioned at the end of the lifting part close to the safety lock 8, and the rack 503 is matched with the safety lock 8 to realize self-locking. The safety performance of the lifter is further improved, and the safety of workers is guaranteed.

Safety lock 8 includes insurance orifice plate 801, insurance orifice supporting seat 802 and electro-magnet 803, insurance orifice supporting seat 802 is installed on the lateral wall of stand 2, electro-magnet 803 with insurance orifice plate 801 all installs on insurance orifice supporting seat 802, and electro-magnet 803 is located the outside of stand 2 lateral wall, and insurance orifice plate 801 is located the inboard of stand 2 lateral wall, insurance orifice plate 801 realizes the auto-lock with the cooperation of rack 503, rack 503 is the unilateral tooth. When the electromagnet 803 is electrified to suck the safety hole supporting seat 802, the electromagnet and the locking plate are not contacted, the lifting machine is in a safety opening state at the moment, and the whole sliding table can freely move up and down. When the electromagnet 803 is de-energized, the keyhole support base 802 is in the position shown in fig. 5, and the keyhole support base 802 at this time will abut against the locking plate on the slide table, so that the slide table is fixed at a position and cannot move up and down, thereby playing a role of safety.

The outer wall of the lifting box 6 corresponding to the chain wheel 601 is symmetrically provided with rollers 602, and the hollow structure of the upright post 2 is internally provided with a sliding chute 201 matched with the rollers 602. The cooperation of gyro wheel 602 and spout 201 can realize playing the guide effect to the in-process that lifts the layer board 5 and rises, guarantees the steady rising of device.

The number of the chain wheel 601 and the number of the rollers 602 are two.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a lifting mechanism of twin columns hydraulic pressure machine of lifting which characterized in that: the hydraulic system comprises a hydraulic system (1), a stand column (2), a stabilizing plate (3) and a lifting assembly, wherein the hydraulic system (1) is fixed on one side wall of the stand column (2), the stand column (2) is of a hollow structure, and the lower end face of the stand column (2) is fixedly installed on the upper surface of the stabilizing plate (3);

the lifting assembly comprises a hydraulic lifting rod (4), a lifting support plate (5), a lifting box (6) and a chain (7), wherein one end of the hydraulic lifting rod (4) is installed on the upper surface of the stabilizing plate (3), the hydraulic lifting rod (4) is located in the hollow structure of the stand column (2), the lifting box (6) is fixedly installed on the top end of the hydraulic lifting rod (4), chain wheels (601) are symmetrically arranged on the inner wall of the lifting box (6), the lifting support plate (5) is installed on the stand column (2), and the lifting support plate (5) is matched with the chain wheels (601) through the chain (7) to lift.

2. The lifting mechanism of a dual column hydraulic lift of claim 1, wherein: lifting support plate (5) include two asymmetric trailing arms (501) and fixing base (502), fixing base (502) are equipped with movable pull rod (504), movable pull rod (504) one end fixed mounting is on fixing base (502), the other end of movable pull rod (504) with the one end fixed connection of chain (7), still be equipped with fixed pull rod (505) on stabilizer plate (3), the other end of chain (7) is walked around sprocket (601) and is connected with fixed pull rod (505), trailing arm (501) fixed mounting is on fixing base (502).

3. The lifting mechanism of a dual column hydraulic lift of claim 2, wherein: the side wall of the upright column (2) provided with the hydraulic system (1) is provided with a safety lock (8), the fixing seat (502) is provided with a rack (503), the rack (503) is located at one end, close to the safety lock (8), of the fixing seat (502), and the rack (503) is matched with the safety lock (8) to realize self-locking.

4. The lifting mechanism of a dual column hydraulic lift of claim 3, wherein: safety lock (8) are including insurance orifice plate (801), insurance orifice supporting seat (802) and electro-magnet (803), insurance orifice supporting seat (802) are installed on the lateral wall of stand (2), electro-magnet (803) with insurance orifice plate (801) are all installed on insurance orifice supporting seat (802), and electro-magnet (803) are located the outside of stand (2) lateral wall, and insurance orifice plate (801) are located the inboard of stand (2) lateral wall, the auto-lock is realized in insurance orifice plate (801) and rack (503) cooperation, rack (503) are the unilateral tooth.

5. The lifting mechanism of a dual column hydraulic lift of claim 2, wherein: the outer wall of the lifting box (6) corresponding to the chain wheel (601) is symmetrically provided with rollers (602), and a sliding groove (201) matched with the rollers (602) is formed in the hollow structure of the upright post (2).

6. The lifting mechanism of a dual column hydraulic lift of claim 5, wherein: the chain wheel (601) and the roller (602) are provided with two.