CN210591275U

CN210591275U - Semitrailer lightweight riveting air suspension structure

Info

Publication number: CN210591275U
Application number: CN201920913641.4U
Authority: CN
Inventors: 郑松军; 王刚
Original assignee: Liaoning Jintianma Primate Car Manufacturing Co ltd
Current assignee: Liaoning Jintianma Primate Car Manufacturing Co ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-05-22
Anticipated expiration: 2029-06-18

Abstract

The utility model relates to a semitrailer technical field provides a semitrailer lightweight riveting air suspension structure, include: the device comprises a bracket, a guide arm, an air bag and a shock absorber; the bracket comprises a first bracket part and a second bracket part; the first bracket part and the second bracket part are respectively of a bending structure, and the tops of the first bracket part and the second bracket part are fixedly connected; the first bracket part and the second bracket part are also fixedly connected with a longitudinal beam of the semitrailer; one end of the guide arm is fixedly provided with an air bag, and the other end of the guide arm is fixedly connected with the bracket; the top of the air bag is fixedly connected with a longitudinal beam of the semitrailer; the upper end of the shock absorber is fixedly arranged on the support, the lower end of the shock absorber is fixedly arranged on the fixing plate, and the fixing plate is arranged on an axle of the semitrailer. The utility model can increase the strength of the bracket and reduce the hanging weight of the semitrailer; no deformation caused by welding, no welding smoke pollution, labor cost saving, beautiful appearance, economy and practicality.

Description

Semitrailer lightweight riveting air suspension structure

Technical Field

The utility model relates to a semitrailer technical field especially relates to a semitrailer lightweight riveting air suspension structure.

Background

The semitrailer is a heavy transport vehicle connected with the head of the semitrailer through a towing pin, and the advantage of large cargo capacity of the semitrailer substantially becomes an important component in road freight. In the actual use process, the semitrailer often can pass through the bank, and the vehicle is traveling at high speed, often can cause linkage's part damage, influences the use, causes the influence to the security.

A semitrailer suspension in the prior art is welded together by a plurality of stamping forming parts and is welded and assembled with a vehicle longitudinal beam. The disadvantages are that: welding deformation, great difficulty for technical workers, environmental pollution, welding smoke pollution and high working time cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses mainly solve prior art's semitrailer and hang by a plurality of stamping forming spare welding together, easy welding deformation, to technical worker degree of difficulty big, not environmental protection, welding smoke and dust pollute, technical problem such as man-hour cost height, provide a semitrailer lightweight riveting air suspension structure, replace weld forming and assembly through the riveting, can increase the intensity of support, alleviate the weight that the semitrailer hung.

The utility model provides a semitrailer lightweight riveting air suspension structure, include: the device comprises a bracket (1), a guide arm (2), an air bag (4) and a shock absorber (5);

the bracket (1) comprises a first bracket part (101) and a second bracket part (102); the first support part (101) and the second support part (102) are respectively of a bending structure, and the tops of the first support part (101) and the second support part (102) are fixedly connected; the first bracket part (101) and the second bracket part (102) are also fixedly connected with a longitudinal beam (3) of the semitrailer;

one end of the guide arm (2) is fixedly provided with an air bag (4), and the other end of the guide arm is fixedly connected with the bracket (1); the top of the air bag (4) is fixedly connected with a longitudinal beam (3) of the semitrailer;

the upper end of the shock absorber (5) is fixedly arranged on the support (1), the lower end of the shock absorber (5) is fixedly arranged on the fixing plate (6), and the fixing plate (6) is arranged on an axle (9) of the semitrailer.

Further, the guide arm (2) is provided with an air bag fixing part (201) and a bracket fixing part (202) which are integrally formed;

the air bag (4) is fixedly arranged on the air bag fixing part (201);

the end part of the bracket fixing part (202) is provided with a shaft hole (203); the support fixing part (202) is fixedly connected with the support (1) through the shaft hole (203).

Further, the guide arm (2) is formed by forging.

Furthermore, the guide arm (2) is fixed with an axle (9) of the semitrailer through a fixing plate (6).

Further, the bending angles of the first bracket part (101) and the second bracket part (102) are 45 degrees respectively.

The utility model provides a semitrailer lightweight riveting air suspension structure, which connects a first bracket part and a second bracket part together in a riveting mode; the strength of the bracket can be increased, and the hanging weight of the semitrailer is reduced; no deformation caused by welding, no welding smoke pollution, labor cost saving, beautiful appearance, economy and practicality. The guide arm passes through bumper shock absorber and leg joint, and original steel leaf spring shock attenuation changes the air filling gasbag shock attenuation into, improves the shock attenuation effect.

Drawings

Fig. 1 is a schematic structural view of a lightweight riveting air suspension structure of a semitrailer provided by the utility model;

FIG. 2 is a schematic structural view of a stent;

FIG. 3 is a side view of the bracket;

fig. 4 is a schematic structural view of the guide arm.

Reference numerals: 1. a support; 2. a guide arm; 3. a stringer; 4. an air bag; 5. a shock absorber; 6. a fixing plate; 7. a bushing; 8. an air bag fixing plate; 9. an axle.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present invention are shown in the drawings.

Fig. 1 is the utility model provides a semitrailer lightweight riveting air suspension's schematic structure. As shown in fig. 1, the embodiment of the utility model provides a semitrailer lightweight riveting air suspension structure, include: bracket 1, guide arm 2, air bag 4 and shock absorber 5.

Fig. 2 is a schematic structural view of the stent. Fig. 3 is a side view of the stent. As shown in fig. 2 and 3, the bracket 1 is a stamped special-shaped structure and includes a first bracket part 101 and a second bracket part 102; the first support part 101 and the second support part 102 are respectively of a bending structure, the bending angles of the first support part 101 and the second support part 102 are respectively 45 degrees, and the tops of the first support part 101 and the second support part 102 are fixedly connected; the first and

second frame parts

101, 102 are also fixedly connected to the longitudinal beams 3 of the semitrailer. Specifically, the top of the first bracket part 101 is higher than the second bracket part 102 by a certain distance, and the higher part is used for fixing with the longitudinal beam 3; the second bracket part 102 is wider at the top than the first bracket part 101 by a length, and the widened part is used for abutting against the longitudinal beam 3 and fixing with the longitudinal beam 3. The tops of the first bracket part 101 and the second bracket part 102 are provided with a plurality of riveting holes for matching with other parts. The bottom ends of the first and

second frame portions

101 and 102 are provided with fixing grooves, and the fixing grooves are used for fixing with the guide arm 2.

Fig. 4 is a schematic structural view of the guide arm. As shown in fig. 4, one end of the guide arm 2 is fixedly provided with an air bag 4, and the other end is fixedly connected with the bracket 1; the top of the air bag 4 is fixedly connected with the longitudinal beam 3 of the semitrailer through an air bag fixing plate 8. Specifically, the guide arm 2 is provided with an air bag fixing part 201 and a bracket fixing part 202 which are integrally formed; the airbag 4 is fixedly arranged on the airbag fixing part 201; the end of the bracket fixing part 202 is provided with a shaft hole 203; the bracket fixing part 202 is fixedly connected with a fixing groove of the bracket 1 through a shaft hole 203; and a bush 7 is arranged on the connecting shaft of the shaft hole 203 and the fixing groove. The guide arm 2 is formed by forging. The guide arm 2 is fixed with an axle 9 of the semitrailer through a fixing plate 6.

The upper end of the shock absorber 5 is fixedly arranged on the support 1, the lower end of the shock absorber 5 is fixedly arranged on the fixing plate 6, and the fixing plate 6 is arranged on an axle 9 of the semitrailer.

During the semitrailer lightweight riveting air suspension structure work of this embodiment: the first bracket part 101 and the second bracket part 102 on the left and right sides are connected together by riveting bolts; the suspension is riveted with a longitudinal beam 3 of the semitrailer; the structure not only reduces the weight of the bracket, but also reduces the working strength, and is economic and environment-friendly without welding smoke; the guide arm 2 is connected with the bracket through a shock absorber 5; the air bag 4 is connected with the longitudinal beam 3 and the guide arm 2; the structure is changed from the original steel plate spring damping into air-filled airbag damping, and the damping effect is obviously improved; the support 1 and the axle 9 are provided with a shock absorber; the vibration frequency of the air bag 4 is reduced, and the service life of the air bag is prolonged.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or some or all of the technical features may be equivalently replaced, without substantially departing from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a semitrailer lightweight riveting air suspension structure which characterized in that includes: the device comprises a bracket (1), a guide arm (2), an air bag (4) and a shock absorber (5);

2. A semitrailer light weight riveting air suspension structure according to claim 1, characterized in that the guide arm (2) is provided with an air bag fixing portion (201) and a bracket fixing portion (202) which are integrally formed;

the air bag (4) is fixedly arranged on the air bag fixing part (201);

3. A semitrailer light-weight riveted air suspension structure according to claim 2, characterized in that the guide arm (2) is formed by forging.

4. A semitrailer light-weight riveted air suspension structure according to claim 1 or 3, characterized in that the guide arm (2) is fixed to an axle (9) of a semitrailer by means of a fixing plate (6).

5. A semitrailer light weight riveting air suspension structure according to claim 1, characterized in that the bending angles of the first bracket part (101) and the second bracket part (102) are 45 ° respectively.