CN108657999B

CN108657999B - Rotating mechanism for moving upright post of four-post lifter

Info

Publication number: CN108657999B
Application number: CN201810522507.1A
Authority: CN
Inventors: 张维; 李明忠; 余龙胜
Original assignee: Anhui Sanpin Technical Service Co Ltd
Current assignee: Anhui Sanpin Technical Service Co Ltd
Priority date: 2018-05-28
Filing date: 2018-05-28
Publication date: 2020-10-09
Anticipated expiration: 2038-05-28
Also published as: CN108657999A

Abstract

The invention discloses a rotating mechanism for moving an upright post of a four-post lifter, and relates to the field of manufacturing of lifters. The invention comprises a vertical column and a workbench; a support arm is vertically arranged on one side surface of the upright post; a round table is arranged at one end of the upper surface of the support arm, which is far away from the upright post; a cylinder is fixedly connected at the axis of the round table; a bearing is sleeved on the cylinder; a bearing sleeve is sleeved on the bearing; a supporting plate is vertically arranged on one side surface of the workbench; a cylinder is arranged at one end of the lower surface of the supporting plate, which is far away from the workbench; a circular clapboard is arranged in the cylinder; the upper surface of the circular clapboard is provided with a rubber block and a plurality of elastic strips. According to the four-column lifting machine, the rotating mechanism is arranged at the joint of the stand column support arm and the workbench support plate, the bearing in the mechanism is in rotating fit with the cylinder arranged on the upper surface of the support arm, and the rubber block wound by the elastic strip is arranged above the cylinder, so that the mechanical abrasion between the stand column support arm and the workbench support plate is reduced, and the service life of the four-column lifting machine is prolonged.

Description

Rotating mechanism for moving upright post of four-post lifter

Technical Field

The invention belongs to the field of manufacturing of lifting machines, and particularly relates to a rotating mechanism for moving an upright post of a four-post lifting machine.

Background

As automobiles go deep into families in China, the automobile maintenance industry also has a rush hour, and the demand for automobile lifters is increasing along with the rush hour, because the automobile lifters are common equipment in automobile repair workshops.

The existing lifting machine generally has a column type and a shear type, and the driving modes of the lifting machine comprise chain transmission, hydraulic transmission and pneumatic transmission; where the placement of the lift is required to be an important concern. The four-column lifter can only provide a channel for lifting an upper workbench and a lower workbench, the rest two side surfaces are not used, the four-column lifter is adjusted due to field limitation and vehicle width limitation, and the four upright pairs are fixed on a bottom plate, so that the four-column lifter is insufficient in flexibility, and when a vehicle runs on the four-column lifter, the vehicle is easy to collide with the lifter, and unnecessary loss is caused; the invention provides a rotating mechanism capable of enabling an upright post of a four-post lifter to move, which can effectively solve the problem of complaints.

Disclosure of Invention

The invention aims to provide a rotating mechanism for moving an upright post of a four-post lifter, which solves the problems of mechanical abrasion and difficult upright post rotation caused by the hinging of an existing upright post support arm and a workbench support plate by arranging the rotating mechanism at the joint of the upright post support arm and the workbench support plate, and by utilizing the rotating fit between a bearing in the mechanism and a cylinder arranged on the upper surface of the support arm and arranging a rubber block wound by an elastic strip above the cylinder.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a rotating mechanism for moving an upright post of a four-post lifter, which comprises an upright post and a workbench, wherein the upright post is fixed on the workbench; a support arm is vertically arranged on one side surface of the upright post; a round table is arranged at one end, far away from the upright post, of the upper surface of the support arm; a cylinder is fixedly connected to the axis of the circular truncated cone; a bearing is sleeved on the cylinder; a bearing sleeve is sleeved on the bearing; a supporting plate is vertically arranged on one side surface of the workbench; a cylinder is arranged at one end of the lower surface of the supporting plate, which is far away from the workbench; a circular clapboard is arranged in the cylinder; the circular partition plate is arranged in parallel with the bottom surface of the cylinder; the upper surface of the circular partition plate is provided with a rubber block and a plurality of elastic strips; the cylinder is sleeved with the round table; the cylinder is rotationally connected with the bearing; the circular partition plate is in clearance fit with the cylinder.

Furthermore, the circular partition plate is positioned above the cylinder, and the axis of the cylinder coincides with the axis of the circular partition plate.

Further, the rubber block is positioned at the axis of the circular partition plate; the elastic strip is wound and wrapped with a rubber block; the elastic strip is wound by at least 3 layers.

Furthermore, the rubber blocks and the elastic strips are made of polytetrafluoroethylene.

The invention has the following beneficial effects:

according to the four-column lifting machine, the rotating mechanism is arranged at the joint of the stand column support arm and the workbench support plate, the bearing in the mechanism is in rotating fit with the cylinder arranged on the upper surface of the support arm, and the rubber block wound by the elastic strip is arranged above the cylinder, so that the mechanical abrasion between the stand column support arm and the workbench support plate is reduced, and the service life of the four-column lifting machine is prolonged.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of a rotary mechanism according to the present invention;

FIG. 2 is a partial process diagram at A of FIG. 1;

in the drawings, the components represented by the respective reference numerals are listed below:

the method comprises the following steps of 1-upright column, 2-workbench, 3-cylinder, 4-round table, 5-bearing, 6-bearing sleeve, 7-circular clapboard, 8-rubber block, 9-elastic strip, 101-support arm, 201-support plate and 401-cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open," "upper," "lower," "top," "middle," and the like are used in an orientation or positional relationship for convenience in describing the present invention and for simplicity of description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the present invention.

Referring to fig. 1-2, the present invention is a rotating mechanism for moving an upright post of a four-post lifter, which includes an upright post 1 and a worktable 2; a support arm 101 is vertically arranged on one side surface of the upright post 1; one end of the upper surface of the support arm 101, which is far away from the upright post 1, is provided with a round table 4; the axis of the circular truncated cone 4 is fixedly connected with a cylinder 401; a bearing 5 is sleeved on the cylinder 401, and the bearing enables the upright post to rotate more smoothly and reduces mechanical abrasion between the support arm and the support plate; the bearing is sleeved with a bearing sleeve 6 for protecting the bearing 5 from deformation caused by extrusion; a supporting plate 201 is vertically arranged on one side surface of the workbench 2; a cylinder 3 is arranged at one end of the lower surface of the supporting plate 201 far away from the workbench 2; a circular clapboard 7 is arranged in the cylinder 3; the round clapboard 7 is arranged in parallel with the bottom surface of the cylinder 3; the upper surface of the circular clapboard 7 is provided with a rubber block 8 and two elastic strips 9; the cylinder 3 is sleeved with the round table 4 to limit the cylinder 3 and prevent the cylinder 3 from displacing; the cylinder 401 is rotatably connected with the bearing 5; the circular partition 7 is in clearance fit with the cylinder 3.

Wherein, the circular baffle 7 is located above the cylinder 401 and the axis of the cylinder 401 coincides with the axis of the circular baffle 7.

Wherein, the rubber block 8 is positioned at the axle center of the circular clapboard 7; the elastic strip 9 is wound and wrapped with the rubber block 8; the elastic strip 9 is wound by at least 3 layers, and the elastic strip and the rubber block are used for reducing buffering and preventing the bearing from being damaged in the process of an object on the operating platform.

Wherein, the rubber block 8 and the elastic strip 9 are made of polytetrafluoroethylene, and the polytetrafluoroethylene can play a good role in corrosion resistance.

One specific application of this embodiment is:

the existing four-column lifter with a rotatable upright post is characterized in that two opposite side surfaces of the upright post are respectively provided with a limiting groove and a gear; a through hole is arranged on the side surface of one end of the upright post; limiting blocks are respectively arranged on two opposite sides of the notch of the limiting groove; a hydraulic cylinder is fixedly connected in the limiting groove; the hydraulic cylinder is parallel to the bottom surface of the limiting groove; a stepping motor is arranged below the limiting groove; one end of the stepping motor is provided with a rotating shaft; one end of the rotating shaft, which is not connected with the stepping motor, is fixedly connected with the gear; the axle center of the rotating shaft is superposed with the axle center of the gear; the rotating shaft is in clearance fit with the through hole; the bottom surface of the upright post is provided with a first convex block; performing fillet treatment on the first bump; two opposite side surfaces of the first lug are respectively provided with a rotating shaft; a bearing is arranged at one end of the two rotating shafts which is not connected with the first lug; the axle center of the bearing and the axle center of the rotating shaft are superposed with each other; a rubber ring is sleeved on the periphery of the bearing; the base is provided with the annular groove, and the stepping motor at one side of the lower end of the upright post drives the gear to be meshed with the annular rack outside the annular groove; and then the bearing is arranged on the bottom surface of the upright post, so that the bearing is mutually matched with the annular groove.

Before the vehicle went into four post lifts, the staff went into the corresponding baffle of direction adjustment workstation week side and puts down according to the vehicle, and start the step motor below the stand that needs removed, when motor during operation, the motor drives the gear revolve of motor opposite side, be used for the gear and fix the rack intermeshing at the bottom plate, make stand below bearing at the annular groove internal rotation, thereby it rotates to drive the stand emergence, when the stand rotates, the cylinder on the support arm is at the pivot internal rotation, the circular baffle top of cylinder top is provided with block rubber and bullet strip, certain cushioning effect has been played. When the upright post is rotated, the vehicle drives on the workbench, the motor rotates again to reset the upright post, the hydraulic cylinder starts to work, and the hydraulic rod pushes the workbench to move upwards.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A rotating mechanism for moving an upright post of a four-post lifter comprises an upright post (1) and a workbench (2); the method is characterized in that:

a support arm (101) is vertically arranged on one side surface of the upright post (1); a round table (4) is arranged at one end of the upper surface of the support arm (101) far away from the upright post (1); a cylinder (401) is fixedly connected to the axis of the circular truncated cone (4); a bearing (5) is sleeved on the cylinder (401); a bearing sleeve (6) is sleeved on the bearing;

a supporting plate (201) is vertically arranged on one side surface of the workbench (2); a cylinder (3) is arranged at one end of the lower surface of the supporting plate (201) far away from the workbench (2); a circular clapboard (7) is arranged in the cylinder (3); the circular partition plate (7) is arranged in parallel with the bottom surface of the cylinder (3); the upper surface of the circular clapboard (7) is provided with a rubber block (8) and a plurality of elastic strips (9);

the cylinder (3) is sleeved with the round table (4);

the cylinder (401) is rotatably connected with the bearing (5);

the circular partition plate (7) is in clearance fit with the cylinder (3).

2. A rotation mechanism for the movement of a column of a four-column lift according to claim 1, wherein the circular partition (7) is located above the cylinder (401) and the axis of the cylinder (401) coincides with the axis of the circular partition (7).

3. A rotation mechanism for the movement of four-column lifter upright according to claim 1, characterized in that the rubber block (8) is located at the axis of the circular partition (7); the elastic strip (9) is wound and wrapped with the rubber block (8); the elastic strip (9) is wound by at least 3 layers.

4. A rotation mechanism for the movement of four-column lifter upright according to claim 3, characterized in that the rubber block (8) and the elastic strip (9) are made of teflon.