CN215850593U

CN215850593U - Semitrailer rear traction hook device

Info

Publication number: CN215850593U
Application number: CN202121452190.2U
Authority: CN
Inventors: 赵亮; 黄璜; 杨武红; 章柏歌
Original assignee: SINOTRUK HUBEI HUAWEI SPECIAL VEHICLE CO Ltd
Current assignee: SINOTRUK HUBEI HUAWEI SPECIAL VEHICLE CO Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-02-18
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a semitrailer rear traction hook device, which comprises a rear traction hook and a rear traction hook mounting seat, wherein the rear traction hook mounting seat comprises a rear traction hook cross beam lower coaming, a rear traction hook cross beam web, a rear traction hook cross beam reinforcing plate, a rear traction hook front reinforcing plate, a rear traction hook upper reinforcing plate and a rear traction hook L-shaped bending piece; the lower coaming of the rear towing hook beam is welded at the lower end of a web plate of the rear towing hook beam, the reinforcing plate of the rear towing hook beam is welded at the rear side of the lower part of the web plate of the rear towing hook beam, the front reinforcing plate of the rear towing hook is welded at the front side of the lower part of the web plate of the rear towing hook beam, the upper reinforcing plate of the rear towing hook is welded at the upper ends of the rear towing hook beam web plate and the rear towing hook L-shaped bending piece, the rear towing hook L-shaped bending piece is welded at the rear side of the upper part of the web plate of the towing hook beam, the rear towing hook is arranged at the front side of a mounting seat of the rear towing hook and is fixedly connected with the front reinforcing plate of the rear towing hook and the web plate of the rear towing hook beam. The utility model has the advantages that: simple structure, simple to operate links the back car and makes things convenient for, compact.

Description

Semitrailer rear traction hook device

Technical Field

The utility model relates to the field of automobile parts, in particular to a semitrailer rear traction hook device.

Background

The conventional rear traction hook device for the semitrailer is complex in structure, the distance between a front vehicle and a rear vehicle is far when the rear vehicle is linked, and the turning radius of the rear vehicle is large when the rear vehicle turns, so that the rear vehicle is not easy to bend.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the background art, the utility model aims to provide a semitrailer rear traction hook device which is simple in structure, convenient to install, convenient to link a rear vehicle and compact.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

a semitrailer rear traction hook device comprises a rear traction hook and a rear traction hook mounting seat, wherein the rear traction hook mounting seat comprises a rear traction hook beam lower coaming, a rear traction hook beam web plate, a rear traction hook beam reinforcing plate, a rear traction hook front reinforcing plate, a rear traction hook upper reinforcing plate and a rear traction hook L-shaped bending piece; the rear towing hook beam lower coaming is welded at the lower end of the rear towing hook beam web, the rear towing hook beam reinforcing plate is welded at the rear side of the lower part of the rear towing hook beam web, the rear towing hook front reinforcing plate is welded at the front side of the lower part of the rear towing hook beam web, the rear towing hook upper reinforcing plate is welded at the upper ends of the rear towing hook beam web and the rear towing hook L-shaped bending piece, and the rear towing hook L-shaped bending piece is welded at the rear side of the upper part of the towing hook beam web and supported at the upper parts of the rear towing hook beam lower coaming and the rear towing hook beam reinforcing plate; the rear traction hook is arranged on the front side of the rear traction hook mounting seat and is fixedly connected with the rear traction hook front reinforcing plate and the rear traction hook cross beam web plate through bolts.

Furthermore, a first through hole is formed in the center of the lower portion of the web plate of the rear towing hook beam, and a plurality of first bolt connecting holes are formed in the periphery of the first through hole.

Furthermore, the left side and the right side of the upper part of the web plate of the rear towing hook beam are respectively provided with a wire passing hole.

Furthermore, a second through hole is formed in the middle of the rear traction hook front reinforcing plate, and a plurality of second bolt connecting holes are formed in the periphery of the second through hole.

Compared with the prior art, the utility model has the advantages that: the structure is simple, the installation is convenient, the linked vehicle is convenient and compact, the damage is not easy to occur, and the safe reliability coefficient is high; when the linked rear vehicle turns, the turning radius is smaller, and the rear vehicle is easy to turn.

Drawings

FIG. 1 is a schematic perspective view of one of the views of the present invention;

FIG. 2 is a schematic perspective view of another embodiment of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a front view of the rear hitch mount;

FIG. 5 is a first perspective view of the rear hitch mount;

FIG. 6 is a second perspective view of the rear hitch mount;

FIG. 7 is a schematic structural view of a lower coaming of a beam of the rear hitch;

FIG. 8 is a schematic structural view of a rear tow hook beam web;

FIG. 9 is a schematic structural view of a front reinforcing plate of the rear traction hook;

FIG. 10 is a state diagram of the application of the present invention;

FIG. 11 is an enlarged view of a portion of FIG. 10;

description of reference numerals: 1. a rear towing hook; 2. a rear towing hook mounting seat; 2.1, a lower coaming of a rear traction hook beam; 2.2, a transverse beam web plate of the rear traction hook; 2.2a, a first through hole; 2.2b, a first bolt connecting hole; 2.2c, a wire through hole; 2.3, a rear traction hook beam reinforcing plate; 2.4, a front reinforcing plate of the rear traction hook; 2.4a, a second through hole; 2.4b, a second bolt connecting hole; 2.5, arranging a reinforcing plate on the rear traction hook; 2.6, a rear traction hook L-shaped bending piece; 100. a semi-trailer; 101. a vehicle frame.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the utility model easy to understand, the following description further explains how the utility model is implemented by combining the attached drawings and the detailed implementation modes.

Referring to fig. 1 to 3, the semitrailer rear towing hook device provided by the utility model comprises a rear towing hook 1 and a rear towing hook mounting seat 2 connected with the rear towing hook 1;

wherein, the rear traction hook 1 adopts the prior art, the model number thereof is DF2728-49-00, and therefore the description is not repeated;

the rear towing hook mounting seat 2 adopts an autonomous development technology, and particularly, as shown in fig. 4 to 6, comprises a rear towing hook beam lower coaming 2.1, a rear towing hook beam web 2.2, two rear towing hook beam reinforcing plates 2.3, a rear towing hook front reinforcing plate 2.4, a rear towing hook upper reinforcing plate 2.5 and a rear towing hook L-shaped bending piece 2.6; wherein, the lower coaming 2.1 of the rear towing hook beam is welded at the lower end of the web 2.2 of the rear towing hook beam, two rear towing hook beam reinforcing plates 2.3 are symmetrically welded at the rear side of the lower part of the web 2.2 of the rear towing hook beam, the front reinforcing plate 2.4 of the rear towing hook is welded at the front side of the lower part of the web 2.2 of the rear towing hook beam, the upper reinforcing plate 2.5 of the rear towing hook is welded at the web 2.2 of the rear towing hook beam and the upper end of the L-shaped bending piece 2.6 of the rear towing hook, the L-shaped bending piece 2.6 of the rear towing hook is welded at the rear side of the upper part of the web 2.2 of the towing hook beam and supports the lower coaming 2.1 of the rear towing hook beam and the upper parts of the two rear towing hook beam reinforcing plates 2.3;

when in use, referring to fig. 10 and 11, the rear towing hook mounting seat 2 spans the tail part of the frame 101 of the semi-trailer 100, and is welded on the tail part of the frame of the semi-trailer through a rear towing hook beam welded by a lower coaming plate 2.1 of a rear towing hook beam, a web plate 2.2 of the rear towing hook beam and a reinforcing plate 2.3 of the rear towing hook beam; the rear traction hook 1 is fastened on the front reinforcing plate 2.4 of the rear traction hook mounting seat 2 and the front side of the beam web 2.2 of the rear traction hook through bolts.

Specifically, in the utility model, referring to fig. 8, a first through hole 2.2a is further formed in the center of the lower portion of a beam web 2.2 of the rear towing hook, and four first bolt connecting holes 2.2b are further formed around the first through hole 2.2 a; referring to fig. 9, a second through hole 2.4a is further formed in the middle of the front reinforcing plate 2.4 of the rear towing hook, and four second bolt connecting holes 2.4b are further formed around the second through hole 2.4 a; when the front reinforcing plate 2.4 of the rear towing hook and the beam web 2.2 of the rear towing hook are welded together, a second through hole 2.4a formed in the front reinforcing plate 2.4 of the rear towing hook is aligned with a first through hole 2.2a formed in the beam web 2.2 of the rear towing hook, and four second bolt connecting holes 2.4b formed in the front reinforcing plate 2.4 of the rear towing hook are aligned with four first bolt connecting holes 2.2b formed in the beam web 2.2 of the rear towing hook one by one;

the second through hole 2.4a formed in the front reinforcing plate 2.4 of the rear towing hook and the first through hole 2.2a formed in the beam web 2.2 of the rear towing hook are used for penetrating a towing rod of the rear towing hook 1, and the four second bolt connecting holes 2.4b formed in the front reinforcing plate 2.4 of the rear towing hook and the four first bolt connecting holes 2.2b formed in the beam web 2.2 of the rear towing hook are used for penetrating bolts so as to be connected with a flange plate of the rear towing hook 1.

Specifically, in the utility model, referring to fig. 8, a wire passing hole 2.2c is further formed in each of the left and right sides of the upper portion of the rear towing hook beam web 2.2, and the wire passing hole 2.2c is used for facilitating wire routing.

Finally, the above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields using the contents of the present specification and the attached drawings are included in the scope of the present invention.

Claims

1. The utility model provides a semitrailer rear traction hook device, contains rear traction hook (1) and rear traction hook mount pad (2), its characterized in that: the rear traction hook mounting seat (2) comprises a rear traction hook beam lower coaming (2.1), a rear traction hook beam web (2.2), a rear traction hook beam reinforcing plate (2.3), a rear traction hook front reinforcing plate (2.4), a rear traction hook upper reinforcing plate (2.5) and a rear traction hook L-shaped bending piece (2.6); the rear towing hook beam lower coaming (2.1) is welded at the lower end of a rear towing hook beam web (2.2), the rear towing hook beam reinforcing plate (2.3) is welded at the rear side of the lower part of the rear towing hook beam web (2.2), the rear towing hook front reinforcing plate (2.4) is welded at the front side of the lower part of the rear towing hook beam web (2.2), the rear towing hook upper reinforcing plate (2.5) is welded at the rear towing hook beam web (2.2) and the upper end of a rear towing hook L-shaped bending piece (2.6), and the rear towing hook L-shaped bending piece (2.6) is welded at the rear side of the upper part of the towing hook beam web (2.2) and is supported at the upper parts of the rear towing hook beam lower coaming (2.1) and the rear towing hook beam reinforcing plate (2.3);

the rear traction hook (1) is arranged on the front side of the rear traction hook mounting seat (2) and is fixedly connected with the rear traction hook front reinforcing plate (2.4) and the rear traction hook cross beam web (2.2) through bolts.

2. The semitrailer rear draft hook device according to claim 1, wherein: the center of the lower part of the rear towing hook beam web plate (2.2) is also provided with a first through hole (2.2a), and a plurality of first bolt connecting holes (2.2b) are also arranged around the first through hole (2.2 a).

3. The semitrailer rear draft hook device according to claim 1, wherein: and the left side and the right side of the upper part of the rear traction hook beam web plate (2.2) are respectively provided with a wire passing hole (2.2 c).

4. The semitrailer rear traction hook device of claim 2, wherein: the middle part of the rear traction hook front reinforcing plate (2.4) is also provided with a second through hole (2.4a), and the periphery of the second through hole (2.4a) is also provided with a plurality of second bolt connecting holes (2.4 b).