Lifting bridge suspension

By designing a figure-eight-shaped lower thrust rod and optimizing airbag arrangement in the lifting bridge suspension, the problems of limited space and insufficient anti-roll capability in the prior art are solved, and a more compact structural design and more High anti-roll capability.

CN222522412UActive Publication Date: 2025-02-25JIANGSU HUAYON COMPOSITE MATERIAL CO LTD
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Patent Information

Application Number
CN202421341127.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-13
Publication Date
2025-02-25
Estimated Expiration
2034-06-13

AI Technical Summary

Technical Problem

The arrangement of the lower thrust rod of the existing lifting bridge suspension leads to limited arrangement space of the lifting airbag and insufficient anti-roll capability.

Method used

A lifting bridge suspension is designed, wherein the first and second lower thrust rods are arranged in a figure-eight shape, and the arrangement space and rolling resistance of the airbag are optimized through the connection between the first and second lifting airbags and the axle.

Benefits of technology

The overall structural design is achieved, the layout space of the lifting airbag is increased, and the anti-roll capability is improved through the lower thrust rod arranged in a figure-eight shape.

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Abstract

There is provided a lift bridge suspension comprising: a first longitudinal beam and a second longitudinal beam; the upper end of the first support is connected to the first longitudinal beam, and the upper end of the second support is connected to the second longitudinal beam; one end of the transverse connecting plate is connected to the lower end of the first bracket; the axle is connected to the first frame and the second frame through a first air bag and a second air bag respectively; the first end of the first upper thrust rod is connected to the first support, and the second end of the first upper thrust rod is connected to the axle. The first end of the second upper thrust rod is connected to the second support, and the second end of the second upper thrust rod is connected to the axle. A first lower thrust rod; a second lower thrust rod; two ends of the first lifting air bag are respectively connected between the first bracket and the axle; two ends of the second lifting air bag are respectively connected between the second bracket and the axle; wherein the first lower thrust rod and the second lower thrust rod are arranged in a splayed shape. The first lower thrust rod and the second lower thrust rod which are arranged in a splayed mode improve the anti-roll capacity.
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Description

Technical Field

[0001] The utility model relates to the field of new energy automobile parts, in particular to a lifting axle suspension. Background Art

[0002] The lower thrust rod of the existing lifting axle suspension is generally arranged in parallel with the longitudinal beam, which results in limited arrangement space for the lifting airbag. At the same time, there is still room for further improvement in its anti-roll capability.

[0003] Therefore, it is necessary to study a lifting axle suspension to solve one or more of the above-mentioned technical problems. Utility Model Content

[0004] In order to solve at least one of the above technical problems, according to one aspect of the utility model, a lifting axle suspension is provided, which is characterized by comprising:

[0005] a first longitudinal beam and a second longitudinal beam;

[0006] A first bracket and a second bracket, wherein the upper end of the first bracket is connected to the first longitudinal beam, and the upper end of the second bracket is connected to the second longitudinal beam;

[0007] A transverse connecting plate, one end of which is connected to the lower end of the first bracket, and the other end of which is connected to the lower end of the second bracket;

[0008] an axle connected to the first frame and the second frame through a first airbag and a second airbag, respectively;

[0009] A first upper thrust rod, a first end of which is connected to the first bracket and a second end of which is connected to the axle;

[0010] A second upper thrust rod, a first end of which is connected to the second bracket and a second end of which is connected to the axle;

[0011] A first lower thrust rod, a first end of which is connected to the first bracket and a second end of which is connected to the axle;

[0012] A second lower thrust rod, a first end of which is connected to the second bracket and a second end of which is connected to the axle;

[0013] A first lifting airbag, two ends of which are respectively connected between the first bracket and the axle; and

[0014] A second lifting airbag, with two ends respectively connected between the second bracket and the vehicle axle;

[0015] Wherein, the first lower thrust rod and the second lower thrust rod are arranged in an eight-shaped shape.

[0016] According to another aspect of the utility model, the first lifting airbag is arranged between the first upper thrust rod and the first lower thrust rod, and the second lifting airbag is arranged between the second upper thrust rod and the second lower thrust rod.

[0017] According to another aspect of the utility model, the second ends of the first lower thrust rod and the second lower thrust rod are respectively connected to the middle of the axle and are located between the first airbag and the second airbag.

[0018] According to another aspect of the utility model, the distance between the second ends of the left first lower thrust rod and the second lower thrust rod is smaller than the distance between the first longitudinal beam and the second longitudinal beam.

[0019] According to another aspect of the utility model, the first airbag and the second airbag are respectively connected to the first longitudinal beam and the second longitudinal beam through supports.

[0020] According to another aspect of the utility model, wheel hub units are respectively arranged at both ends of the axle.

[0021] The utility model can achieve one or more of the following technical effects:

[0022] 1. The overall structure is compact and the layout space of the lifting airbag is increased.

[0023] 2. The first and second lower thrust rods arranged in an eight-shaped shape improve the anti-roll capability. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0025] Figure 1 It is a stereoscopic diagram of a lifting axle suspension according to a preferred embodiment of the utility model.

[0026] Figure 2 for Figure 1 Side view of the lifting axle suspension.

[0027] Figure 3 for Figure 1 Top view of the lifting axle suspension.

[0028] Figure 4 for Figure 1 Bottom view of the lifting axle suspension in . DETAILED DESCRIPTION

[0029] The best implementation mode of the present invention is described below through preferred embodiments in conjunction with the accompanying drawings. The specific implementation mode here is to illustrate the present invention in detail and should not be understood as a limitation to the present invention. Various deformations and modifications can be made without departing from the spirit and substantial scope of the present invention, which should be included in the protection scope of the present invention.

[0030] Example 1

[0031] According to a preferred embodiment of the present invention, see Figure 1-4, provides a lifting axle suspension, characterized by comprising:

[0032] A first longitudinal beam 1 and a second longitudinal beam;

[0033] A first bracket and a second bracket 2, wherein the upper end of the first bracket is connected to the first longitudinal beam, and the upper end of the second bracket is connected to the second longitudinal beam;

[0034] A transverse connecting plate 3, one end of which is connected to the lower end of the first bracket, and the other end of which is connected to the lower end of the second bracket;

[0035] A vehicle axle 7 connected to the first vehicle frame and the second vehicle frame through a first air bag and a second air bag 8 respectively;

[0036] A first upper thrust rod 5, a first end of which is connected to the first bracket, and a second end of which is connected to the axle;

[0037] A second upper thrust rod, a first end of which is connected to the second bracket and a second end of which is connected to the axle;

[0038] A first lower thrust rod 4, a first end of which is connected to the first bracket and a second end of which is connected to the axle;

[0039] A second lower thrust rod, a first end of which is connected to the second bracket and a second end of which is connected to the axle;

[0040] A first lifting airbag, two ends of which are respectively connected between the first bracket and the axle; and

[0041] The second lifting airbag 6 has two ends connected between the second bracket and the axle respectively;

[0042] Wherein, the first lower thrust rod and the second lower thrust rod are arranged in an eight-shaped shape.

[0043] According to another preferred embodiment of the utility model, the first lifting airbag is arranged between the first upper thrust rod and the first lower thrust rod, and the second lifting airbag is arranged between the second upper thrust rod and the second lower thrust rod.

[0044] According to another preferred embodiment of the utility model, the second ends of the first lower thrust rod and the second lower thrust rod are respectively connected to the middle of the axle and are located between the first airbag and the second airbag.

[0045] According to another preferred embodiment of the present utility model, the distance between the second ends of the left first lower thrust rod and the second lower thrust rod is smaller than the distance between the first longitudinal beam and the second longitudinal beam.

[0046] According to another preferred embodiment of the present invention, the first airbag and the second airbag are respectively connected to the first longitudinal beam and the second longitudinal beam through the support 9.

[0047] According to another preferred embodiment of the utility model, a wheel hub unit 10 is respectively provided at both ends of the axle. Preferably, a first shock absorber is provided between the first longitudinal beam and the axle, and a second shock absorber 11 is provided between the second longitudinal beam and the axle, and the second shock absorber 11 is connected to the second longitudinal beam through an upper bracket 12.

[0048] The utility model can achieve one or more of the following technical effects:

[0049] 1. The overall structure is compact and the layout space of the lifting airbag is increased.

[0050] 2. The first and second lower thrust rods arranged in an eight-shaped shape improve the anti-roll capability.

[0051] Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the description are only for explaining the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which are within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A lifting axle suspension, characterized in that include: a first longitudinal beam and a second longitudinal beam; A first bracket and a second bracket, wherein the upper end of the first bracket is connected to the first longitudinal beam, and the upper end of the second bracket is connected to the second longitudinal beam; A transverse connecting plate, one end of which is connected to the lower end of the first bracket, and the other end of which is connected to the lower end of the second bracket; an axle connected to the first frame and the second frame through a first airbag and a second airbag, respectively; A first upper thrust rod, a first end of which is connected to the first bracket and a second end of which is connected to the axle; A second upper thrust rod, a first end of which is connected to the second bracket and a second end of which is connected to the axle; A first lower thrust rod, a first end of which is connected to the first bracket and a second end of which is connected to the axle; A second lower thrust rod, a first end of which is connected to the second bracket and a second end of which is connected to the axle; A first lifting airbag, two ends of which are respectively connected between the first bracket and the axle; and A second lifting airbag, with two ends respectively connected between the second bracket and the axle; Wherein, the first lower thrust rod and the second lower thrust rod are arranged in an eight-shaped shape.

2. The lifting axle suspension according to claim 1, characterized in that The first lifting airbag is arranged between the first upper thrust rod and the first lower thrust rod, and the second lifting airbag is arranged between the second upper thrust rod and the second lower thrust rod.

3. The lifting axle suspension according to claim 2, characterized in that The second ends of the first lower thrust rod and the second lower thrust rod are respectively connected to the middle portion of the axle and are located between the first airbag and the second airbag.

4. The lifting axle suspension according to any one of claims 1 to 3, characterized in that The distance between the second ends of the left first lower thrust rod and the second lower thrust rod is smaller than the distance between the first longitudinal beam and the second longitudinal beam.

5. The lifting axle suspension according to claim 4, characterized in that The first airbag and the second airbag are respectively connected to the first longitudinal beam and the second longitudinal beam through a support.

6. The lifting axle suspension according to claim 5, characterized in that Hub units are respectively arranged at both ends of the axle.