CN215666953U

CN215666953U - Stable lifting mechanism and automobile body conveying line

Info

Publication number: CN215666953U
Application number: CN202121602774.3U
Authority: CN
Inventors: 姜涛; 李锺顺; 杨兵; 王春蕾
Original assignee: Songuo Motors Co Ltd
Current assignee: Songuo Motors Co Ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-01-28
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses a stable lifting mechanism and an automobile body conveying line, belonging to the technical field of automobile conveying line lifting, and comprising a first cylinder and a second cylinder which are arranged at intervals, wherein the first cylinder is connected with a first lifting assembly, and the second cylinder is connected with a second lifting assembly; the first lifting assembly comprises a first rack fixed with the workpiece, the first rack is in meshing transmission with a first gear fixedly arranged, and the second lifting assembly comprises a second rack fixed with the workpiece, and the second rack is in meshing transmission with a second gear fixedly arranged.

Description

Stable lifting mechanism and automobile body conveying line

Technical Field

The utility model belongs to the technical field of lifting of automobile conveying lines, and particularly relates to a stable lifting mechanism and an automobile body conveying line.

Background

The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.

In the conveying line working condition of the automobile field or other industries, products are often required to be jacked, and at present, a cylinder is selected as a power source for jacking. However, if the jacking workpiece is in a strip shape with a large size, the situation that jacking is not stable and actions at two ends are inconsistent can exist only by jacking with the cylinder; and only use the cylinder as lifting power, may meet the unstable situation of atmospheric pressure, cause easily to the work piece lifting process unstable, the lifting height of the different positions of work piece may be inconsistent simultaneously.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a stable lifting mechanism and an automobile body conveying line.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

in a first aspect, the utility model provides a stable lifting mechanism, which comprises a first cylinder and a second cylinder which are arranged at intervals, wherein the first cylinder is connected with a first lifting assembly, and the second cylinder is connected with a second lifting assembly; the first lifting assembly comprises a first rack fixed with the workpiece, the first rack is in meshing transmission with a first gear fixedly arranged, and the second lifting assembly comprises a second rack fixed with the workpiece, and the second rack is in meshing transmission with a second gear fixedly arranged.

As a further technical scheme, the first rack is vertically arranged, and the second rack is vertically arranged.

As a further technical scheme, the first gear and the second gear are connected through a connecting shaft.

As a further technical scheme, the first air cylinder is fixed on the first base, and the second air cylinder is fixed on the second base.

As a further technical scheme, the connecting shaft is connected with a first bearing seat and a second bearing seat, the first bearing seat is arranged close to the first gear, and the second bearing seat is arranged close to the second gear.

As a further technical solution, the first bearing seat is fixed to the first base, and the second bearing seat is fixed to the second base.

As a further technical scheme, the first gear and the second gear are arranged lower than the workpiece.

As a further technical scheme, the first cylinder and the second cylinder are both vertically arranged.

As a further technical scheme, the fixed heights of the first cylinder and the second cylinder are the same, and the first cylinder and the second cylinder are both supported below the workpiece.

In a second aspect, the utility model further provides an automobile body conveying line, which comprises a conveying device, wherein the conveying device is fixedly provided with the stable lifting mechanism.

The beneficial effects of the utility model are as follows:

the lifting mechanism is provided with the spaced cylinder structures, can jack and lift different positions of a workpiece, and is suitable for workpieces with larger sizes; through lifting unit's setting, lifting unit and cylinder lift the work piece simultaneously, and the cooperation of rack and pinion also can play the guide effect, can further guarantee two cylinders and lift high uniformity.

According to the lifting mechanism, the connecting shaft is arranged between the gears of the two lifting assemblies, so that the rotation angles of the two gears can be ensured to be consistent, the actions of the two ends are further ensured to be consistent, and the lifting stability and the lifting synchronism are ensured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model.

FIG. 1 is a schematic view of a lifting mechanism according to one or more embodiments of the present disclosure;

in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;

the conveying device comprises a first cylinder 1, a second cylinder 2, a first lifting component 3, a second lifting component 4, a first base 5, a second base 6, a first gear 7, a first rack 8, a second gear 9, a second rack 10, a workpiece 11, a connecting shaft 12, a first bearing seat 13, a second bearing seat 14 and a conveying device 15.

Detailed Description

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Example 1:

in an exemplary embodiment of the present invention, as shown in fig. 1, a smooth lifting mechanism includes a first cylinder 1, a second cylinder 2, a first lifting assembly 3, and a second lifting assembly 4.

First cylinder 1 and the interval of second cylinder 2 set up, and the fixed height of first cylinder and second cylinder is the same, and also the initial lifting height of the two is the same, and first cylinder, second cylinder all support in work piece 11 below, through setting up first cylinder, second cylinder interval dispersion, and it can support in the different positions of work piece, also can realize reliably supporting when the work piece size is great.

The first cylinder 1 and the second cylinder 2 are vertically arranged, the workpiece is vertically jacked, and the end parts of the telescopic rods of the two cylinders are supported at the bottom of the workpiece.

First cylinder 1 is fixed in first base 5, and the second cylinder is fixed in second base 6, is fixed in the base with the two, and the base can provide holding power for the cylinder to can not take place to shift when making the cylinder to the work piece jacking, the jacking effect is more reliable.

The first lifting component 3 and the second lifting component 4 are arranged at intervals and oppositely, the fixed heights of the first lifting component and the second lifting component are the same, and the first lifting component and the second lifting component can drive the workpiece to lift at different positions.

First lifting unit 3 includes first gear 7, first rack 8, and first gear is fixed to be set up, first gear and the transmission of first rack meshing, the vertical setting of first rack, and first rack upper portion and work piece fixed connection, through rack and pinion mechanism, when first gear revolve, first rack reciprocates, and then drives the work piece and goes up and down.

The second lifting component 4 comprises a second gear 9 and a second rack 10, the second gear is fixedly arranged, the second gear and the second rack are in meshing transmission, the second rack is vertically arranged, the upper portion of the second rack is fixedly connected with the workpiece, and through the gear rack mechanism, when the second gear rotates, the second rack moves up and down to drive the workpiece to lift.

In a further embodiment, the first gear and the second gear are disposed below the workpiece to avoid interference during up and down movement of the workpiece.

In a preferred embodiment, the first gear and the second gear are connected through a connecting shaft 12, so that the first gear and the second gear can synchronously rotate, and the lifting heights of different positions of a workpiece are consistent.

The connecting shaft 12 is connected with a first bearing seat 13 and a second bearing seat 14, the first bearing seat is arranged close to the first gear, and the second bearing seat is arranged close to the second gear, so that the first gear and the second gear are respectively supported; the first bearing housing 13 may be fixed to the first base 5 and the second bearing housing 14 may be fixed to the second base 6, thereby fixing the position of the gear.

The first gear or the second gear is connected with the power device through the transmission mechanism, the power device can adopt a motor, the motor provides power for the first gear or the second gear, the two gears can rotate simultaneously under the action of the connecting shaft, and then the lifting heights of the gears at the two ends on the workpiece are ensured to be consistent.

Through the arrangement of the two lifting components, the lifting components and the air cylinder can jack up the workpiece at the same time, so that the lifting stability is further ensured, and the lifting heights of the two ends are consistent; and the gears of the two lifting assemblies are connected through the connecting shaft, and the rotation angles of the two gears are the same, so that the requirement of high relative precision for ensuring the lifting heights of the two ends to be consistent is met.

In order to ensure that the rack is more reliably connected with the workpiece, the tops or the side parts of the first rack and the second rack can be connected with the workpiece through fasteners, and when the gear rotates, the rack can drive the workpiece to ascend, so that the jacking is realized.

When the lifting device is used, a workpiece is placed at the tops of the first cylinder and the second cylinder, the first cylinder and the second cylinder are respectively corresponding to the corresponding positions of the first cylinder and the second cylinder, racks of the two lifting assemblies are connected with the workpiece, the two cylinders are simultaneously jacked upwards, the power device drives the gears of the two lifting assemblies to rotate, the racks synchronously drive the workpiece to move upwards, and jacking of the workpiece is achieved.

When a workpiece is lifted, if only the air cylinder is used as lifting power, the situation that air pressure is unstable or the air input of the two air cylinders is different can be met, so that the workpiece lifting height is easily inconsistent; and this lifting mechanism, through the cooperation of cylinder and lifting unit, cylinder and rack and pinion simultaneous operation can guarantee the stability of lifting.

Example 2:

the embodiment provides an automobile body conveying line, which comprises a conveying device 15, wherein the conveying device is fixedly provided with the lifting mechanism.

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. A stable lifting mechanism is characterized by comprising a first air cylinder and a second air cylinder which are arranged at intervals, wherein the first air cylinder is connected with a first lifting component, and the second air cylinder is connected with a second lifting component; the first lifting assembly comprises a first rack fixed with the workpiece, the first rack is in meshing transmission with a first gear fixedly arranged, and the second lifting assembly comprises a second rack fixed with the workpiece, and the second rack is in meshing transmission with a second gear fixedly arranged.

2. The stable lifting mechanism of claim 1 wherein the first rack is vertically disposed and the second rack is vertically disposed.

3. The stable lifting mechanism of claim 1 wherein the first gear and the second gear are connected by a connecting shaft.

4. The stable lifting mechanism of claim 3 wherein the first cylinder is affixed to the first base and the second cylinder is affixed to the second base.

5. The stable lifting mechanism as recited in claim 4, wherein the connecting shaft is connected to a first bearing seat and a second bearing seat, the first bearing seat is disposed adjacent to the first gear, and the second bearing seat is disposed adjacent to the second gear.

6. The stable lifting mechanism of claim 5 wherein the first bearing block is fixed to the first base and the second bearing block is fixed to the second base.

7. A smooth lifting mechanism as claimed in claim 1 or 3 wherein the first and second gears are located below the workpiece.

8. The stable lifting mechanism of claim 1 wherein the first and second cylinders are vertically disposed.

9. The stable lifting mechanism of claim 1 wherein the first and second cylinders are of the same fixed height and both are supported below the workpiece.

10. An automobile body conveying line, characterized by comprising a conveying device, wherein the conveying device is fixedly provided with a stable lifting mechanism according to any one of claims 1-9.