CN111483913B

CN111483913B - Cab hoisting structure

Info

Publication number: CN111483913B
Application number: CN201910084332.5A
Authority: CN
Inventors: 梁攀; 窦鑫鹏; 郝文宏; 缪海桃; 邹腾
Original assignee: Shaanxi Heavy Duty Automobile Co Ltd
Current assignee: Shaanxi Heavy Duty Automobile Co Ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2022-06-28
Anticipated expiration: 2039-01-29
Also published as: CN111483913A

Abstract

The invention relates to a cab hoisting structure, which comprises a front wall hoisting structure arranged on the front side of a cab and a rear wall hoisting structure arranged on the rear side of the cab; the front wall lifting structure comprises front lifting brackets, a front wall left reinforcing plate and a front wall right reinforcing plate, and the two front lifting brackets are fixedly arranged on the front wall left reinforcing plate and the front wall right reinforcing plate respectively to form a first lifting point and a second lifting point; the rear enclosure hoisting structure comprises a rear hoisting support, a rear enclosure left upright post and a rear enclosure right upright post, wherein the two rear hoisting supports are fixedly arranged on the rear enclosure left upright post and the rear enclosure right upright post respectively to form a third hoisting point and a fourth hoisting point; the first lifting point, the second lifting point, the third lifting point and the fourth lifting point form a four-point lifting structure together. According to the cab lifting structure provided by the invention, four-point lifting is adopted, so that the stable lifting of the cab can be ensured, and the local deformation of the cab is avoided.

Description

Cab hoisting structure

Technical Field

The invention relates to the technical field of automobile body structures, in particular to a unique hoisting structure of a commercial vehicle cab.

Background

In the production and assembly processes of a cab of a commercial vehicle, the cab needs to be lifted, and a conventional lifting mode is to hang a lifting appliance at the seam allowance positions on left and right door frames of the cab, so that the seam allowance of the vehicle door is easy to deform, and the cab is unstable in the lifting process and has certain potential safety hazards.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and aims to provide a cab lifting structure, so that the purposes of ensuring stable lifting of a cab and avoiding local deformation of the cab can be achieved.

In order to achieve the purpose, the invention provides a cab lifting structure, which comprises a front wall lifting structure arranged on the front side of a cab and a rear wall lifting structure arranged on the rear side of the cab; the front wall lifting structure comprises front lifting brackets, a front wall left reinforcing plate and a front wall right reinforcing plate, and the two front lifting brackets are fixedly arranged on the front wall left reinforcing plate and the front wall right reinforcing plate respectively to form a first lifting point and a second lifting point; the rear enclosure hoisting structure comprises a rear hoisting support, a rear enclosure left upright post and a rear enclosure right upright post, and the two rear hoisting supports are respectively and fixedly arranged on the rear enclosure left upright post and the rear enclosure right upright post to form a third hoisting point and a fourth hoisting point; the first, second, third and fourth hoisting points jointly form a four-point hoisting structure.

Preferably, the first lifting point, the second lifting point, the third lifting point and the fourth lifting point are respectively of a double-layer through hole structure and used for inserting a lifting appliance.

Preferably, a first round hole is formed in the front lifting support, first oblong holes with a large top and a small bottom are respectively formed in the front wall left reinforcing plate and the front wall right reinforcing plate, the first round hole and the first oblong holes are correspondingly arranged, and the front lifting support, the front wall left reinforcing plate and the front wall right reinforcing plate form a double-layer through hole structure of the first lifting point and the second lifting point.

Preferably, the cowl hoisting structure further comprises a cowl inner panel, and the first and second hoisting points are arranged on the cowl inner panel in a left-right symmetry manner.

Preferably, a second oblong hole with a large top and a small bottom is formed in the front wall inner plate and in a position corresponding to the first oblong hole.

Preferably, the rear wall left and right upright posts are respectively provided with a second round hole, the rear lifting support is provided with a third long round hole with a large top and a small bottom, the second round hole and the third long round hole are correspondingly arranged, and the rear lifting support, the rear wall left and right upright posts form a double-layer through hole structure of the third lifting point and the fourth lifting point.

Preferably, the rear enclosure hoisting structure further comprises a rear enclosure outer plate, and the third hoisting point and the fourth hoisting point are symmetrically arranged on the rear enclosure outer plate.

Preferably, a through hole is formed in the position, corresponding to the second round hole, of the rear wall outer plate, and the size of the through hole is larger than the diameter of the second round hole.

Preferably, the first and second lifting point arrangement positions are symmetrical with respect to a cab longitudinal center plane.

Preferably, the third lifting point and the fourth lifting point are arranged symmetrically with respect to the longitudinal center plane of the cab.

According to the cab lifting structure provided by the invention, four-point lifting is adopted, so that the stable lifting of the cab can be ensured, and the local deformation of the cab is avoided.

Drawings

Fig. 1 is a schematic diagram of the position of a front wall lifting hole of a cab lifting structure provided by the invention.

Fig. 2 is a schematic diagram of the position of a rear enclosing lifting hole of a cab lifting structure provided by the invention.

Fig. 3 is a schematic structural diagram of a cab crane structure provided by the invention without a cowl inner panel.

Fig. 4 is a schematic structural diagram of a cab lifting structure provided by the invention, wherein a rear wall outer plate is not installed.

Fig. 5 is a schematic sectional view along the direction B-B in fig. 3.

Fig. 6 is a schematic sectional view taken along line a-a in fig. 4.

Fig. 7 is an exploded view of a front wall hoisting structure of a cab hoisting structure according to the present invention.

Fig. 8 is an exploded view of a rear enclosure hoisting structure of a cab hoisting structure provided by the invention.

Fig. 9 is a schematic diagram of a lock pin structure of a lifting appliance of a cab lifting structure provided by the invention.

Description of the reference numerals

1 front wall lifting structure 11 first lifting point

12 second lifting point 13 front lifting support

131 first round hole 14 front wall left reinforcing plate

15 front wall right reinforcing plate 141 first long round hole

16 front wall inner plate 161 second long round hole

2 third lifting point of rear enclosure lifting structure 21

22 fourth lifting point 23 rear lifting support

231 third oblong hole 24 rear wall left upright post

25 rear wall right upright post 241 second round hole

26 rear wall outer plate 261 via hole

3 locking pin 31 for lock pin of lifting appliance

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In explaining the embodiments of the present invention, if a detailed description of related well-known elements or functions obstructs the gist of the present invention, a detailed description thereof will be omitted.

Referring to fig. 1 to 9, the cab crane structure provided by the invention comprises a front wall crane structure 1 installed on the front side of a cab and a rear wall crane structure 2 installed on the rear side of the cab; the front wall lifting structure 1 comprises a front lifting bracket 13, a front wall left reinforcing plate 14 and a front wall right reinforcing plate 15, wherein the two front lifting brackets 13 are fixedly arranged on the front wall left reinforcing plate 14 and the front wall right reinforcing plate 15 respectively to form a first lifting point 11 and a second lifting point 12; the rear enclosure hoisting structure 2 comprises a rear hoisting support 23, a rear enclosure left upright post 24 and a rear enclosure right upright post 25, wherein the two rear hoisting supports 23 are respectively fixedly arranged on the rear enclosure left upright post 24 and the rear enclosure right upright post 25 to form a third hoisting point 21 and a fourth hoisting point 22; the first, second, third and

fourth lifting points

11, 12, 21, 22 together form a four-point lifting structure.

The first lifting point 11, the second lifting point 12, the third lifting point 21 and the fourth lifting point 22 are respectively of a double-layer through hole structure with the same structure and are used for inserting a lifting appliance.

The front lifting support 13 is provided with a first round hole 131, the front wall left and right reinforcing

plates

14 and 15 are respectively provided with a first long round hole 141 with a large top and a small bottom, the front wall left and right reinforcing plates are universal left and right, the first round hole 131 and the first long round hole 141 are correspondingly arranged, and the front lifting support 13 and the front wall left and right reinforcing

plates

14 and 15 form a double-layer through hole structure of the first lifting point 11 and the second lifting point 12.

The front wall hoisting structure 1 further comprises a front wall inner plate 16, the two front hoisting brackets 13 are respectively welded on the front wall left reinforcing plate 14 and the front wall right reinforcing plate 15 and are welded with the front wall inner plate 16, and the first hoisting point 11 and the second hoisting point 12 are arranged on the front wall inner plate 16 in a bilateral symmetry manner.

A second oblong hole 161 with a large top and a small bottom is formed in the front wall inner plate 16 at a position corresponding to the first oblong hole 141, so that the hanger lock pin 3 can be inserted conveniently.

The rear wall left and right

upright posts

24 and 25 are respectively provided with a second round hole 241, the rear lifting support 23 is provided with a third long round hole 231 with a large top and a small bottom, the second round hole 241 and the third long round hole 231 are universal left and right, the rear lifting support 23 and the rear wall left and right

upright posts

24 and 25 are correspondingly arranged, and the rear lifting support 23 and the rear wall left and right

upright posts

24 and 25 form a double-layer through hole structure of the third and

fourth lifting points

21 and 22.

The rear enclosure hoisting structure 2 further comprises a rear enclosure outer plate 26, the two rear hoisting brackets 23 are respectively welded on the rear enclosure left upright post 24 and the rear enclosure right upright post 25 and are welded and connected with the rear enclosure outer plate 26, and the third hoisting points 21 and the fourth hoisting points 22 are symmetrically arranged on the rear enclosure outer plate 26 in a left-right manner.

A through hole 261 is formed in the position, corresponding to the second round hole 241, of the rear wall outer plate 26, so that the lifting appliance locking pin 3 can be conveniently inserted, and the size of the through hole 261 is larger than the diameter of the second round hole 241.

And a locking pin 31 is arranged on the lifting appliance locking pin 3 to play a role in locking.

The arrangement positions of the first lifting point 11 and the second lifting point 12 are symmetrical about the longitudinal center plane of the cab.

The third lifting point 21 and the fourth lifting point 22 are arranged symmetrically with respect to the longitudinal center plane of the cab.

Hereinafter, a method of using the cab suspension structure according to the present invention will be described.

Referring to fig. 1, 2, 5, 6 and 9, in the front wall lifting structure 1, when the lifting appliance lock pin 3 is installed, the lifting appliance lock pin 3 is inserted from outside to inside until the lock pin 31 abuts against the front lifting bracket 13, the lifting appliance lock pin 3 is rotated by 180 degrees, and under the action of the front wall left reinforcing plate 14 and the front wall right reinforcing plate 15, the lifting appliance lock pin 3 cannot be pulled out in the X direction, so that the locking effect is achieved; in the back enclose structure 2 of lifting by crane, hoist lockpin 3 outside-in inserts, on the locking round pin 31 supports to enclose left stand 24 after and enclose right stand 25 after with, rotates hoist lockpin 3 180, under the effect of back lifting by crane support 23, hoist lockpin 3 can not be taken out along X to, plays the effect of locking. According to the invention, by designing the four-point hoisting structure arranged in the front and back, the stable hoisting of the cab can be ensured, and the local deformation of the cab is avoided.

The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the above-described embodiments, and can be implemented in various forms. The embodiments disclosed in this specification are intended only to complete the disclosure of the present invention so that those skilled in the art will be fully aware of the scope of the invention provided herein. The protection scope of the present invention should be subject to the content of the claims.

Claims

1. A cab lifting structure, comprising: the front wall hoisting structure is arranged on the front side of the cab; the rear enclosure hoisting structure is arranged on the rear side of the cab; the method is characterized in that: the front wall lifting structure comprises front lifting brackets, a front wall left reinforcing plate and a front wall right reinforcing plate, and the two front lifting brackets are fixedly arranged on the front wall left reinforcing plate and the front wall right reinforcing plate respectively to form a first lifting point and a second lifting point; the rear enclosure hoisting structure comprises a rear hoisting support, a rear enclosure left upright post and a rear enclosure right upright post, wherein the two rear hoisting supports are fixedly arranged on the rear enclosure left upright post and the rear enclosure right upright post respectively to form a third hoisting point and a fourth hoisting point; the first lifting point, the second lifting point, the third lifting point and the fourth lifting point form a four-point lifting structure together; the first lifting point, the second lifting point, the third lifting point and the fourth lifting point are respectively of a double-layer through hole structure and are used for inserting a lifting appliance; the rear lifting support, the rear wall left stand column and the rear wall right stand column form a double-layer through hole structure of the third lifting point and the fourth lifting point; the front lifting support and the front wall left and right reinforcing plates form a double-layer through hole structure of the first lifting point and the second lifting point.

2. The cab lifting structure according to claim 1, further comprising a cowl inner panel on which the first and second lifting points are arranged in bilateral symmetry.

3. The cab hoisting structure according to claim 2, wherein a second oblong hole having a large top and a small bottom is provided in a position on the cowl inner panel corresponding to the first oblong hole.

4. The cab hoisting structure according to claim 1, wherein the rear enclosure hoisting structure further comprises a rear enclosure outer plate, and the third and fourth hoisting points are arranged on the rear enclosure outer plate in a left-right symmetrical manner.

5. The cab hoisting structure according to claim 4, wherein a through hole is provided in a position on the rear wall outer plate corresponding to the second round hole, and the size of the through hole is larger than the diameter of the second round hole.

6. A cab lifting structure according to claim 1, wherein the first lifting point and the second lifting point are arranged symmetrically with respect to a longitudinal center plane of the cab.

7. The cab lifting structure according to claim 1, wherein the third lifting point and the fourth lifting point are arranged symmetrically with respect to a longitudinal center plane of the cab.