Detachable suspension of trailer

Abstract

The utility model provides a detachable trailer suspension which comprises a trailer longitudinal beam and a suspension body, the suspension body is arranged at the bottom of the trailer longitudinal beam, a plurality of cross beams are installed at the bottom of the trailer longitudinal beam, wheels are installed at the two ends of each cross beam, and a plurality of suspension installation frames are installed at the bottom of the trailer longitudinal beam. The suspension body comprises end suspension supports and middle suspension supports, the end suspension supports are arranged among the multiple middle suspension supports, the end suspension supports and the middle suspension supports are connected through guide supports, and shock absorbers are arranged between the cross beams and the middle suspension supports. The suspension main body is designed to be in a detachable mode, the suspension main body can be detached in the transportation process, the movable structure is adopted, the marine transportation cost is saved in the transportation process, the detachable structure is adopted, the suspension main body can be conveniently installed, normal use of the suspension main body is not affected, and direct economic benefits are brought to customers.

Description

Technical Field

[0001] The utility model belongs to the technical field of trailer suspensions, and specifically relates to a detachable trailer suspension. Background Art

[0002] A semi-trailer is a trailer with axles placed behind the center of gravity of the vehicle and equipped with a coupling device that can transfer horizontal and vertical forces to the tractor. Generally, a semi-trailer is a three-axle semi-trailer, and its types include many types such as an eleven-meter barn semi-trailer, a thirteen-meter barn semi-trailer, and a low-bed semi-trailer. It is a heavy transportation vehicle connected to the semi-trailer head through a kingpin. A container semi-trailer is a semi-trailer with a container structure for the cargo-carrying part. A container transport semi-trailer with an air suspension is a container semi-trailer with an air suspension.

[0003] Currently, more and more semi-trailers with air suspensions are installed on the market. The connection between the suspension bracket and the longitudinal beam of a semi-trailer with an air suspension is a stress concentration point, and this position is prone to fracture under poor road conditions or concentrated cargo loads. Most trailers with air suspensions on the market adopt a fixed installation method. In this way, when the trailer is in transportation, the suspension of the trailer will increase the transportation space during transportation, further increasing the sea freight cost.

[0004] In summary, the utility model provides a detachable trailer suspension to solve the above problems. Summary of the Utility Model

[0005] In order to solve the above technical problems, the utility model provides a detachable trailer suspension to solve problems such as that when the trailer is in transportation, the suspension of the trailer will increase the transportation space during transportation, further increasing the sea freight cost and other problems in the prior art.

[0006] The detachable trailer suspension includes a trailer longitudinal beam and a suspension main body. The suspension main body is arranged at the bottom of the trailer longitudinal beam. A plurality of cross beams are installed at the bottom of the trailer longitudinal beam. Wheels are installed at both ends of the cross beam. A plurality of suspension mounting brackets are installed at the bottom of the trailer longitudinal beam. The suspension main body includes an end suspension bracket and a middle suspension bracket. The end suspension bracket is arranged between a plurality of middle suspension brackets. The end suspension bracket and the middle suspension bracket are connected by a guide bracket. A shock absorber is arranged between the cross beam and the middle suspension bracket. A plurality of suspension mounting brackets are installed at the bottom of the trailer longitudinal beam. The suspension mounting brackets are respectively arranged in one-to-one correspondence with the end suspension bracket and the middle suspension bracket and are fixedly connected by screws.

[0007] Further, the cross beams are respectively arranged at the bottom of the guide bracket, and both ends of the guide bracket are connected to the end suspension bracket and the middle suspension bracket.

[0008] Furthermore, the middle part of the crossbeam and the guiding support are fixedly connected through a crossbeam mounting bracket.

[0009] Furthermore, mounting holes are respectively formed at the tops of the end suspension bracket and the middle suspension bracket, through holes corresponding to the mounting holes are formed on the suspension mounting bracket, the mounting holes are aligned with the through holes, and the screws sequentially pass through the mounting holes and the through holes for connection.

[0010] Furthermore, an air suspension is mounted on the guiding support, and the other end of the air suspension is arranged on the crossbeam.

[0011] Furthermore, the shock absorber is connected to the bottoms of the end suspension bracket and the middle suspension bracket, and the other end of the shock absorber is connected to one side of the crossbeam mounting bracket.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. By designing the suspension main body in a detachable mode, the utility model can disassemble the suspension main body during transportation. The movable structure saves the sea freight cost during transportation. The detachable structure also facilitates the installation of the suspension main body without affecting the normal use of the suspension main body, bringing direct economic benefits to customers.

[0014] 2. By using screws for fixation and adopting multiple high-strength screws, the utility model improves the structural strength and use effect of the suspension main body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the utility model;

[0016] Figure 2 is a schematic diagram of the suspension main body of the utility model;

[0017] Figure 3 is the utility model Figure 1 enlarged view at A in.

[0018] In the figure:

[0019] 1, trailer longitudinal beam;

[0020] 2, wheel;

[0021] 3, screw;

[0022] 4, suspension main body; 401, end suspension bracket; 402, shock absorber; 403, middle suspension bracket; 404, guiding support; 405, air suspension; 406, crossbeam mounting bracket;

[0023] 5, suspension mounting bracket;

[0024] 6, crossbeam. Detailed implementation mode

[0025] The following further describes in detail the implementation mode of the present utility model in conjunction with the attached drawings and embodiments. The following embodiments are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0026] As shown in Figures 1-3 the present utility model provides a detachable suspension for a trailer, including a trailer longitudinal beam 1 and a suspension main body 4. The suspension main body 4 is arranged at the bottom of the trailer longitudinal beam 1. A plurality of cross beams 6 are installed at the bottom of the trailer longitudinal beam 1. Wheels 2 are installed at both ends of the cross beam 6. A plurality of suspension mounting brackets 5 are installed at the bottom of the trailer longitudinal beam 1. The suspension main body 4 includes an end suspension bracket 401 and a middle suspension bracket 403. The end suspension bracket 401 is arranged between a plurality of middle suspension brackets 403. The end suspension bracket 401 and the middle suspension bracket 403 are connected by a guiding bracket 404. A shock absorber 402 is arranged between the cross beam 6 and the middle suspension bracket 403. A plurality of suspension mounting brackets 5 are installed at the bottom of the trailer longitudinal beam 1. The suspension mounting brackets 5 are respectively arranged in one-to-one correspondence with the end suspension bracket 401 and the middle suspension bracket 403, and are fixedly connected by screws 3.

[0027] As an implementation mode of the present utility model, the cross beams 6 are respectively arranged at the bottom of the guiding bracket 404. Both ends of the guiding bracket 404 are connected to the end suspension bracket 401 and the middle suspension bracket 403.

[0028] As an implementation mode of the present utility model, the cross beam 6 and the middle part of the guiding bracket 404 are fixedly connected by a cross beam mounting bracket 406.

[0029] As an implementation mode of the present utility model, mounting holes are respectively formed at the tops of the end suspension bracket 401 and the middle suspension bracket 403. Through holes corresponding to the mounting holes are formed on the suspension mounting bracket 5. The mounting holes are aligned with the through holes, and the screws 3 sequentially pass through the mounting holes and the through holes for connection.

[0030] Among them, 5 mounting holes are provided, and the screws 3 are high-strength screws.

[0031] As an implementation mode of the present utility model, an air suspension 405 is installed on the guiding bracket 404, and the other end of the air suspension 405 is arranged on the cross beam 6.

[0032] As an implementation mode of the present utility model, the shock absorber 402 is connected to the bottoms of the end suspension bracket 401 and the middle suspension bracket 403, and the other end of the shock absorber 402 is connected to one side of the cross beam mounting bracket 406.

[0033] Specific working principle:

[0034] The hanging main body 4 is placed at the bottom of the trailer longitudinal beam 1. Align the mounting holes with the through holes, respectively pass the screws 3 through the mounting holes and the through holes, and fix the screws 3 with bolts, thereby installing the hanging main body 4. When disassembling, only need to disassemble the screws 3, and then the removal of the hanging main body 4 can be realized.

[0035] Finally, it should be noted that: in the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0036] In the description of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0037] The embodiments of the present invention are given for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as a limitation to the present invention. Those of ordinary skill in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A detachable trailer suspension, comprising a trailer longitudinal beam (1) and a suspension body (4), wherein the suspension body (4) is arranged at the bottom of the trailer longitudinal beam (1), a plurality of cross beams (6) are installed at the bottom of the trailer longitudinal beam (1), and wheels (2) are installed at both ends of the cross beam (6), characterized in that: A plurality of suspension mounting frames (5) are installed at the bottom of the trailer longitudinal beam (1); the suspension body (4) comprises an end suspension bracket (401) and a middle suspension bracket (403); the end suspension bracket (401) is arranged between a plurality of middle suspension brackets (403); the end suspension bracket (401) and the middle suspension bracket (403) are connected via a guide bracket (404); a shock absorber (402) is arranged between the cross beam (6) and the middle suspension bracket (403); a plurality of suspension mounting frames (5) are installed at the bottom of the trailer longitudinal beam (1); the suspension mounting frames (5) are arranged one-to-one with the end suspension bracket (401) and the middle suspension bracket (403), and are fixedly connected via screws (3).

2. The detachable trailer suspension according to claim 1, characterized in that: The cross beams (6) are respectively arranged at the bottom of the guide bracket (404), and the two ends of the guide bracket (404) are connected to the end suspension bracket (401) and the middle suspension bracket (403).

3. The detachable trailer suspension according to claim 1, characterized in that: The crossbeam (6) is fixedly connected to the middle portion of the guide bracket (404) via a crossbeam mounting frame (406).

4. The detachable trailer suspension according to claim 1, characterized in that: The tops of the end suspension bracket (401) and the middle suspension bracket (403) are respectively provided with mounting holes, and the suspension mounting frame (5) is provided with corresponding through holes, the mounting holes are aligned with the through holes, and the screws (3) pass through the mounting holes in sequence to connect with the through holes.

5. The detachable trailer suspension according to claim 1, characterized in that: An air hanger (405) is installed on the guide bracket (404), and the other end of the air hanger (405) is arranged on the crossbeam (6).

6. The detachable trailer suspension according to claim 1, characterized in that: The shock absorber (402) is connected to the bottom of the end suspension bracket (401) and the middle suspension bracket (403), and the other end of the shock absorber (402) is connected to one side of the crossbeam mounting bracket (406).

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