CN210191661U

CN210191661U - Extension rear end structure of semitrailer

Info

Publication number: CN210191661U
Application number: CN201920874162.6U
Authority: CN
Inventors: Chao Zhang; 张超; Beide Lian; 连备德; Yonggang Li; 李永刚
Original assignee: Luoyang Kailan Machinery Manufacturing Co Ltd
Current assignee: Luoyang Kailan Machinery Manufacturing Co Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-03-27
Anticipated expiration: 2029-06-12

Abstract

The utility model discloses an extension rear end structure of a semitrailer, which relates to the transportation field and comprises a main frame assembly, an adjusting arm, a caliper assembly and a semitrailer frame tail part, wherein the main frame assembly is formed by welding steel plates and channel steel, the lower end of the main frame assembly is connected with the caliper assembly, the front section of the main frame assembly is connected with the adjusting arm in an assembling way, pneumatic calipers in the caliper assembly receive pneumatic thrust, and rotationally bite the semitrailer frame tail part to be connected with the semitrailer frame tail part in an assembling way, and a pin shaft is fixedly connected on the semitrailer frame tail part, the utility model can realize the extension of the semitrailer rear end, expand the cargo-carrying length of the semitrailer, simultaneously share the load of the semitrailer, avoid the requirement of enlarging the diameter of a tire due to the load, thereby reduce the gravity center height of a vehicle body, the semitrailer extension rear end can be combined with a road transportation, the semitrailer can meet the specific application range.

Description

Extension rear end structure of semitrailer

Technical Field

The utility model relates to a transportation field specifically is an extension rear end structure of semitrailer.

Background

The length of the semitrailer on the market at present is mostly set at the beginning of design, and the later stage is unchangeable. The condition causes that some vehicles with special size cargo requirements are manufactured into special vehicles, so that the types of semitrailers are changed, but the semitrailers have no universality, and the semitrailers with special lengths and loads can not be used for road transportation due to the limitation of road transportation standards, and can only work and transport within a specific range, so that the utilization rate of the special semitrailers is low, the return on investment of the special semitrailers is poor, economic difficulties are brought to enterprises, and the problem is solved by providing the extended rear end structure of the semitrailer.

SUMMERY OF THE UTILITY MODEL

1. Problems to be solved

Problem to exist among the prior art, the utility model aims to provide an extension rear end structure of semitrailer, can realize the extension of semitrailer rear end, the length of carrying cargo of extension semitrailer, share the load of semitrailer simultaneously, avoided because the load increases the demand that becomes big to tire diameter, thereby reduce automobile body focus height, semitrailer extension rear end can make up with highway transportation semitrailer at will, according to actual load's the condition, select the length that adds the extension or shorten the semitrailer, make the semitrailer satisfy specific range of application, the problem of mentioning among the above-mentioned background story has then been solved.

2. Technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an extension rear end structure of semitrailer, includes body frame assembly, regulating arm, calliper assembly and semitrailer frame afterbody, the body frame assembly is formed by steel sheet and channel-section steel welding, and body frame assembly lower extreme assembly connection has the calliper assembly, and body frame assembly anterior segment assembly connection has the regulating arm, and pneumatic calliper in the calliper assembly receives pneumatic thrust, and the semitrailer frame afterbody is bitten in the rotation, rather than assembly connection, and fixedly connected with round pin axle on the semitrailer frame afterbody.

As a further aspect of the present invention: the rear end of the main frame assembly is welded with a rear lamp holder, and the rear end of the main frame assembly and the rear lamp holder form the tail of the extended semitrailer.

As a further aspect of the present invention: the lower end of the right side of the main frame assembly is connected with a tire frame in an assembling mode, and the tire frame is connected with the caliper assembly in an assembling mode.

As a further aspect of the present invention: a plurality of through holes which are uniformly distributed are formed in the main frame assembly.

As a further aspect of the present invention: a plurality of pin holes are uniformly distributed in the adjusting arm, and pin shafts on the tail of the semitrailer frame are inserted into the pin holes.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses can realize the extension of semitrailer rear end, the length that carries cargo of extension semitrailer shares the load of semitrailer simultaneously, has avoided because the load increases the demand that becomes bigger to tire diameter to reduce automobile body focus height, the semitrailer extends the rear end and can make up at will with highway transportation semitrailer, according to the condition of actual load, selects the length that adds the extension or shorten the semitrailer, makes the semitrailer satisfy specific range of application.

2. The utility model discloses set up a plurality of evenly distributed's through-hole on the body frame assembly to make the frame lightweight, and the through-hole reduces the resonance of vehicle, reduced noise pollution, and can absorb goods weight and strike produced stress to steel, promoted the stability of device.

Drawings

Fig. 1 is a schematic view of an extended rear structure of a semitrailer assembled with the semitrailer.

Fig. 2 is a schematic view of an extended rear structure of the semitrailer.

In the figure: 1. a main frame assembly; 2. a caliper assembly; 3. a tire frame; 4. a rear lamp holder; 5. an adjusting arm; 6. the tail part of the semitrailer frame; 7. a through hole; 8. a pin hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-2, in the embodiment of the utility model, an extension rear end structure of semitrailer, including body frame assembly 1, regulating arm 5, calliper assembly 2 and semitrailer frame afterbody 6, body frame assembly 1 is formed by steel sheet and channel-section steel welding, the welding of 1 rear end of body frame assembly has back lighting fixture 4, the afterbody of the semitrailer after extending is constituteed with back lighting fixture 4 to 1 rear end of body frame assembly, replace the function of semitrailer tail lamp, it is very convenient, 1 lower extreme assembly connection of body frame assembly has calliper assembly 2, 1 anterior segment assembly connection of body frame assembly has regulating arm 5, pneumatic calliper in calliper assembly 2 receives pneumatic thrust, the semitrailer frame afterbody 6 is stung in the rotation, rather than assembly connection, realize extending, and the fixed connection has the round pin axle on the semitrailer frame afterbody 6.

The semitrailer frame tail portion 6 is automatically occluded through pneumatic calipers in the caliper assembly 2 in a rotating mode, detachable connection is achieved, when goods are long, the semitrailer can be assembled and extended to the rear end to meet super-long goods transportation, load bearing is achieved, the tire frame 3 is connected to the lower end of the right side of the main frame assembly 1 in an assembling mode, the tire frame 3 is connected with the caliper assembly 2 in an assembling mode, tires can be installed on the tire frame 3, pressure transmitted by the main frame assembly 1 is borne, the requirement of the load on the diameter of the tires is reduced, the gravity center height of a vehicle is reduced, driving stability is facilitated, during standard goods transportation, the extension rear end can be detached, and conventional.

A plurality of evenly distributed through holes 7 are formed in the main frame assembly 1, so that the frame is light in weight, the through holes 7 reduce resonance of a vehicle, noise pollution is reduced, stress generated by impact of cargo weight on steel can be absorbed, and stability of the device is improved.

A plurality of pin holes 8 which are uniformly distributed are formed in the adjusting arm 5, and pin shafts on the tail portion 6 of the semi-trailer frame are inserted into the pin holes 8, so that the height of the extending rear end is convenient to adjust, the rear end is flush with the semi-trailer frame or lower than the semi-trailer frame, and the semi-trailer frame is convenient to use flexibly.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, should not be taken as limiting, and it should be noted that the terms "mounted" and "connected" are intended to be broadly construed, and include, for example, either fixed or removable connections, or integrally formed, mechanically connected, or indirectly connected through an intermediate medium, and the specific meaning of the terms in the present application can be understood through specific situations.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an extension rear end structure of semitrailer, includes body frame assembly (1), regulating arm (5), calliper assembly (2) and semitrailer frame afterbody (6), a serial communication port, body frame assembly (1) is formed by steel sheet and channel-section steel welding, and body frame assembly (1) lower extreme be assembled between/be connected with calliper assembly (2), and body frame assembly (1) anterior segment be assembled between/be connected between regulating arm (5), and pneumatic calliper in calliper assembly (2) receives pneumatic thrust, and semitrailer frame afterbody (6) are gripped in the rotation, rather than assembly between, and fixedly connected with round pin axle on semitrailer frame afterbody (6).

2. The structure of the extending rear end of the semitrailer according to claim 1, characterized in that a rear lamp holder (4) is welded to the rear end of the main frame assembly (1), and the rear end of the main frame assembly (1) and the rear lamp holder (4) form the tail of the semitrailer after extension.

3. The extending rear end structure of the semitrailer according to claim 1, characterized in that the lower end of the right side of the main frame assembly (1) is assembled and connected with a tire frame (3), and the tire frame (3) is assembled and connected with the caliper assembly (2).

4. The extending rear end structure of a semitrailer according to claim 1, characterized in that a plurality of through holes (7) are arranged on the main frame assembly (1) and are evenly distributed.

5. The extending rear end structure of the semitrailer according to claim 1, characterized in that the adjusting arm (5) is provided with a plurality of evenly distributed pin holes (8), and pin shafts on the trailer frame tail (6) of the semitrailer are inserted into the pin holes (8).