CN217672160U

CN217672160U - Novel rear main reducer suspension arrangement system

Info

Publication number: CN217672160U
Application number: CN202220879885.7U
Authority: CN
Inventors: 苏鹏; 李锋; 袁亮; 崔有刚; 杨文利; 吕巍; 张茜铭; 郭云铁
Original assignee: FAW Group Corp
Current assignee: FAW Group Corp
Priority date: 2022-04-17
Filing date: 2022-04-17
Publication date: 2022-10-28
Anticipated expiration: 2032-04-17

Abstract

The utility model discloses a novel back main reducer suspension arrangement system belongs to vehicle chassis technical field, back sub vehicle frame and fix four suspension structure on it, four suspension structure include two back main reducer rear suspension and two back main reducer front suspension, and two back main reducer rear suspensions are fixed respectively on the rear cross beam of back sub vehicle frame, and two back main reducer front suspensions are fixed respectively on the front cross beam of back sub vehicle frame, all integrated limit structure on back main reducer rear suspension and the back main reducer front suspension. The utility model discloses a novel back main reducer suspension arrangement system can reduce the weight of back main reducer suspension system and can reduce the vibration that main reducer transmitted the automobile body to reduce whole car weight, and then reduce oil consumption, and satisfy the requirement of driver to whole car vibration.

Description

Novel rear main reducer suspension arrangement system

Technical Field

The utility model belongs to the technical field of vehicle chassis, concretely relates to novel rear main reducer suspension arrangement system.

Background

With the increasing use of four-wheel drive vehicles in life, the high oil consumption of the four-wheel drive vehicle is also a concern of customers, and the light weight and the comfort of the four-wheel drive vehicle are particularly important. In the existing four-wheel drive system of an A-level vehicle city SUV vehicle type, a rear main reducer arrangement system is mostly arranged in a three-point arrangement mode as shown in figure 1, limiting gaskets of a rear main reducer suspension are independently designed, as shown in figure 2, limiting rubber is vulcanized on the limiting gaskets, the structure is not easy to manage and control in the aspects of part management and supply transportation, the weight of the whole rear main reducer suspension system is increased, and the mold cost and the part processing cost are higher.

The prior art discloses a suspension structure of an independent suspension main speed reducing assembly, which comprises a suspension upper bracket, a front suspension lower bracket and a rear suspension lower bracket; one end of the upper suspension bracket is connected with the front lower suspension bracket through a suspension cushion, and the other end of the upper suspension bracket is connected with the rear lower suspension bracket through a suspension cushion; the suspension support is provided with a through hole for installing the suspension cushion, the suspension cushion comprises an outer sleeve and a mandrel which are coaxially arranged, a rubber bushing is arranged between the outer sleeve and the mandrel, limiting pads are arranged at two ends of the mandrel, the outer sleeve is connected with the through hole in an interference fit manner, and the mandrel is connected with the front suspension lower support and the rear suspension lower support.

Therefore, the existing rear main reducer arrangement system not only makes the loading process more complicated, but also increases the weight of the whole vehicle.

SUMMERY OF THE UTILITY MODEL

In order to solve the loading technology complicacy that exists among the prior art, whole car weight increases the scheduling problem, the utility model provides a novel back main reducer suspension arrangement system can reduce the weight of back main reducer suspension system and can reduce the vibration that main reducer transmitted the automobile body to reduce whole car weight, and then reduce the oil consumption, and satisfy the driver to whole car vibration's requirement.

The utility model discloses a following technical scheme realizes:

the utility model provides a novel back main reducer suspension arrangement system, back sub vehicle frame 2 and fix four suspension structure above that, four suspension structures include two back main reducer rear suspension 1 and two back main reducer front suspension 4, and two back main reducer rear suspension 1 are fixed respectively on the rear cross beam of back sub vehicle frame 2, and two back main reducer front suspension 4 are fixed respectively on the front beam of back sub vehicle frame 2, all integrate limit structure 5 on back main reducer rear suspension 1 and the back main reducer front suspension 4.

The utility model discloses an in a preferred embodiment, two back main reducer rear suspension 1 and two back main reducer front suspension 4 are the rubber suspension.

The utility model discloses an in the preferred embodiment, four suspension's central line is whole car X direction and arranges, whole car X direction is the axis direction of locomotive to the rear of a vehicle.

The utility model discloses an in a preferred embodiment, two back final drive unit rear suspension 1's central axis line distance is 207mm, back final drive unit front suspension 4's central axis line distance is 386mm, two back final drive unit front suspension's the mid point and two back final drive unit rear suspension's the mid point the distance of the mid point of the elastic center line be 337mm, this four-point arrangement mode can weaken the vibration that back final drive unit transmitted the automobile body, can increase the fatigue durability of suspension again.

The utility model discloses an among the preferred embodiment, rear main reducer rear suspension 1 and rear main reducer front suspension 4 all are connected with rear main reducer support 7 through the bolt, rear main reducer support 7 is used for fixed rear main reducer 3.

The utility model discloses an in a preferred embodiment, suspension's terminal surface is provided with flange structure, flange structure is last to vulcanize has spacing rubber to form limit structure 5.

In a preferred embodiment of the present invention, the height of the flange structure is 6mm.

In a preferred embodiment of the present invention, the thickest rubber part of the limiting rubber is 7.45mm, and the thinnest rubber part is 1mm.

In a preferred embodiment of the present invention, the outer tube diameter of the suspension structure is 56.9mm and the inner core diameter is 29.1mm.

In a preferred embodiment of the present invention, the elastic centers of the four suspension structures are at the same height as the main reducer; the vibration of the vibration generator is in the vertical direction, and the vibration in the horizontal direction is mutually offset, so that the vibration amplitude is greatly reduced.

Compared with the prior art, the utility model has the advantages as follows:

the utility model discloses a novel rear main reducer suspension arrangement system can reduce the weight of rear main reducer suspension system and can reduce the vibration that main reducer transmitted to the automobile body, thereby reduce whole car weight, and then reduce the oil consumption, and satisfy the driver to whole car vibration's requirement;

in addition, the arrangement system adopts a rear main reducer four-point arrangement form, and the suspension of the rear main reducer adopts a limit structure and suspension integration form, so that the NVH performance of the whole vehicle is improved, and the aim of light weight of the whole vehicle is fulfilled.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic illustration of a rear final drive arrangement of the prior art;

FIG. 2 is a schematic structural view of a suspension and spacing shim of a rear final drive arrangement of the prior art;

fig. 3 is a schematic structural diagram of a novel rear main reducer suspension arrangement system of the present invention;

fig. 4 is a partial enlarged view of a novel rear main reducer suspension arrangement system according to the present invention;

fig. 5 is a schematic diagram of a limit structure of a novel rear main reducer suspension arrangement system according to the present invention;

FIG. 6 is a top view of the rear final drive suspension system and the positional relationship between the inertia axis and the center of mass, from an on-board to an off-board perspective;

it can be seen that the inertia axis of the rear final drive system passes through the center of mass;

FIG. 7 is a diagram of the front-view layout of the rear final drive suspension system and the positional relationship between the inertial axis and the center of mass, from the front to the rear of the vehicle;

it can be seen that the elastic center connecting line of the front suspension of the rear main speed reducer passes through the center of mass.

In the figure: rear main reducer rear suspension 1, rear sub vehicle frame 2, rear main reducer 3, rear main reducer front suspension 4, limit structure 5, limit gasket 6, rear main reducer support 7.

Detailed Description

For clearly and completely describing the technical scheme and the specific working process of the present invention, the following specific embodiments are provided in combination with the drawings of the specification:

in the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Example 1

As shown in fig. 3, the embodiment provides a novel rear main reducer suspension arrangement system, a rear sub-frame 2 and four suspension structures fixed thereon, wherein the four suspension structures include two rear main reducer rear suspensions 1 and two rear main reducer front suspensions 4, the two rear main reducer rear suspensions 1 are respectively fixed on a rear sub-frame 2 rear cross beam, the two rear main reducer front suspensions 4 are respectively fixed on a rear sub-frame 2 front cross beam, and limiting structures 5 are respectively integrated on the rear main reducer rear suspensions 1 and the rear main reducer front suspensions 4.

The utility model discloses an among the preferred embodiment, two back final drive unit rear suspension 1's central axis line distance is 207mm, back final drive unit front suspension 4's central axis line distance is 386mm, the mid point of two back final drive unit front suspension's elasticity center line and the distance of the mid point of two back final drive unit rear suspension's elasticity center line are 337mm, this four-point arrangement can weaken the vibration that back final drive unit transmitted the automobile body, can increase the fatigue durability of suspension again.

As shown in fig. 4, in a preferred embodiment of the present invention, the rear main reducer rear suspension 1 and the rear main reducer front suspension 4 are both connected to the rear main reducer support 7 by bolts, and the rear main reducer support 7 is used for fixing the rear main reducer 3.

As shown in fig. 5, the structure of the limiting structure is described in detail, in a preferred embodiment of the present invention, the end surface of the suspension structure is provided with a flange structure, and the flange structure is vulcanized with limiting rubber to form the limiting structure 5.

Rear main reducer rear suspension 1, rear auxiliary frame 2, rear main reducer 3, rear main reducer front suspension 4, limit structure 5, limit gasket 6, rear main reducer support 7.

According to the arrangement space of the whole vehicle, a rear main reducer rear suspension and a rear main reducer front suspension are respectively pressed in a rear auxiliary frame and are connected with a rear main reducer bracket through bolts, and a rear main reducer is arranged on the rear main reducer bracket; the suspension structure is additionally provided with a flanging structure, the flanging structure is vulcanized with limiting rubber, the flanging structure is determined by the rigidity of the suspension and the displacement of the rear main speed reducer, so that the integration of the suspension of the rear main speed reducer and a limiting gasket is realized, the limiting effect on the rear main speed reducer is realized, the limiting structure mainly limits the displacement of the rear main speed reducer in the X direction of the whole vehicle,

the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. The utility model provides a novel back final drive suspension arrangement system, its characterized in that, back sub vehicle frame (2) and fix four suspension structure on it, four suspension structure include two back final drive unit rear suspension (1) and two back final drive unit front suspension (4), and two back final drive unit rear suspension (1) are fixed respectively on the rear end rail of back sub vehicle frame (2), and two back final drive unit front suspension (4) are fixed respectively on the front end rail of back sub vehicle frame (2), all integrate limit structure (5) on back final drive unit rear suspension (1) and back final drive unit front suspension (4).

2. A new type of rear final drive suspension arrangement system, according to claim 1, characterized in that both the two rear final drive rear suspensions (1) and the two rear final drive front suspensions (4) are rubber suspensions.

3. The novel rear main reducer suspension arrangement system according to claim 1, wherein the central lines of the four suspension structures are arranged in the X direction of the whole vehicle, and the X direction of the whole vehicle is the axial direction from the vehicle head to the vehicle tail.

4. A novel rear final drive suspension arrangement, as per claim 1, characterized by two rear final drive rear suspensions (1) with center axis line distance of 207mm, rear final drive front suspension (4) with center axis line distance of 386mm, two rear final drive front suspension elastic center line midpoint distance of 337mm.

5. A new type of rear final drive suspension arrangement, according to claim 1, characterized in that the rear final drive rear suspension (1) and the rear final drive front suspension (4) are both connected with the rear final drive bracket (7) by bolts, said rear final drive bracket (7) being used to fix the rear final drive (3).

6. The novel rear main reducer suspension arrangement system as claimed in claim 1, wherein the end face of the suspension structure is provided with a flanging structure, and the flanging structure is vulcanized with limiting rubber to form a limiting structure (5).

7. The novel rear final drive suspension arrangement of claim 6, characterized in that the height of the cuff structure is 6mm.

8. The novel rear main reducer suspension arrangement system according to claim 6, wherein the rubber thickest part of the limiting rubber is 7.45mm, and the thinnest part of the limiting rubber is 1mm.

9. The novel rear final drive suspension arrangement of claim 1, characterized in that, the outer tube diameter of the suspension structure is 56.9mm, and the inner core diameter is 29.1mm.

10. The novel rear final drive suspension arrangement system according to claim 1, wherein the elastic centers of the four suspension structures are at the same height as the final drive; the vibration of the vibration generator is in the vertical direction, and the vibration in the horizontal direction is mutually offset, so that the vibration amplitude is greatly reduced.