CN210617771U

CN210617771U - Light-duty load automobile-used compound air suspension

Info

Publication number: CN210617771U
Application number: CN201921428045.3U
Authority: CN
Inventors: 郭祥龙; 张瑞; 尹永宁
Original assignee: Shandong Mandipu Machinery Co Ltd
Current assignee: Shandong Mandipu Machinery Co Ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-05-26
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses an automobile-used compound air suspension of light-duty load, include frame, axle and set up a plurality of gasbags that bear between frame and axle, its characterized in that, set up balanced roof beam on the axle, balanced roof beam sets up to the arc, balanced roof beam includes the fixed part and sets up in the installation department at fixed part both ends, bear gasbag one end and fix on the frame, the other end is fixed on the installation department, the frame both sides set up the leaf spring assembly, the leaf spring assembly includes the leaf spring body and sets up in the eye at leaf spring body both ends, set up the elastomer axle sleeve in the eye, for traditional air suspension, reduced distance rod and linking bridge isotructure, simple structure, damping performance is good, easy the maintenance.

Description

Light-duty load automobile-used compound air suspension

Technical Field

The utility model belongs to the technical field of the air suspension, concretely relates to automobile-used compound air suspension of light-duty load.

Background

At present, common air suspensions are basically guide arm type composite air suspensions and balanced beam type all-air suspensions, and compared with the two types of air suspensions, the two types of air suspensions are provided with a thrust rod, a thrust rod support, a stabilizer bar, a hanging bracket, a support and the like, so that not only is the weight increased, but also the cost is increased.

In order to reduce the cost, lighten the assembly, improve the universality of parts and components and improve the shock absorption performance of a vehicle, an air suspension with a plate spring and an air bag connected in parallel is arranged for some light load vehicles.

For a common plate spring suspension, because the stiffness curve is linear, the greater the load is, the greater the stiffness is, and the bushings at the two ends of the plate spring are metal copper bushings, the vibration from the ground is easily transmitted to a frame, and the damping performance is poor.

Therefore, the prior art is yet to be further studied.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a light-duty load automobile-used compound air suspension to the compound air suspension of light-duty load car design.

In order to solve the above problems, the utility model adopts the following technical scheme: the utility model provides an automobile-used compound air suspension of light-duty load, includes frame, axle and sets up a plurality of gasbags that bear between frame and axle, set up equalizing beam on the axle, equalizing beam sets up to the arc, equalizing beam includes the fixed part and sets up in the installation department at fixed part both ends, bear gasbag one end and fix on the frame, the other end is fixed on the installation department, the frame both sides set up the leaf spring assembly, the leaf spring assembly includes the leaf spring body and sets up in the eye at leaf spring body both ends, set up the elastomer bush in the eye, the leaf spring assembly passes through the eye and fixes on the frame, U type bolt fastening through setting between leaf spring and the axle.

The elastomer bushing comprises a first metal framework, a rubber elastomer and a second metal framework which are sequentially arranged from inside to outside.

The second metal framework is provided with an opening part, the inner hole of the first metal framework is provided with a shaft tube, and an elastic gasket is arranged between the shaft tube and the first metal frame.

Two sections of the elastic washer are provided with anti-deviation clamping sleeves.

The frame both sides all set up first support and second support, first support and second support correspond the setting with the book ear at leaf spring body both ends respectively.

And a plurality of shock absorbers are arranged between the frame and the equalizing beam.

The balance beam is characterized in that a fixing part of the balance beam is provided with a mounting hole, a pressing plate is arranged below the axle and the balance beam, and the U-shaped bolt downwards clamps the plate spring to sequentially penetrate through the mounting hole, the axle and the pressing plate and is fixed through a nut.

The utility model has the advantages that:

1. the utility model discloses a leaf spring assembly and the parallelly connected air suspension of bearing the gasbag bear the gasbag and mainly play the bearing effect and only bear vertical power, and leaf spring assembly mainly plays the guide effect, undertakes vertical and horizontal atress simultaneously, for traditional air suspension, has reduced distance rod and linking bridge isotructure, simple structure, and the damping performance is good, easy maintenance.

2. The utility model discloses the equalizing beam of frame below sets up to the arc, include the fixed part and set up in the installation department at both ends, satisfy the installation requirement that bears the weight of the gasbag, the structure is compacter.

3. The utility model discloses set up elastic bushing in leaf spring assembly's the book ear, prevent that leaf spring assembly from transmitting the frame with the vibration, strengthen the utility model discloses a damping performance, elastic bushing include first metal framework, rubber elastomer and second metal framework from inside to outside in proper order, are provided with the central siphon in the first metal framework, set up to open structure in outer second metal framework, increase precompression volume, prevent inclined to one side cutting ferrule at central siphon both ends pressure equipment, play limiting displacement to the central siphon.

Drawings

Fig. 1 is a schematic view 1 of the overall structure of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention 2;

FIG. 3 is a schematic view of an equalizer beam configuration;

fig. 4 is a schematic sectional view of a partial structure of an elastomer bushing.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the following explains the present solution by way of specific embodiments and with reference to the accompanying drawings.

As shown in fig. 1-4, a composite air suspension for a light load vehicle includes a vehicle frame 1, an axle 2, and a plurality of load-bearing airbags 3 disposed between the vehicle frame 1 and the axle 2, wherein an equalizing beam 3 is disposed on the axle 2, the load-bearing airbags 3 are disposed on the equalizing beam 3, one end of each load-bearing airbag 3 is fixed to the vehicle frame 1, the other end of each load-bearing airbag is fixed to the equalizing beam 3, and a plurality of shock absorbers 9 are disposed between the vehicle frame 1 and the equalizing beam 4.

Equalizing beam 4 sets up to the arc, equalizing beam 4 includes fixed part 401 and sets up in the installation department 402 at fixed part 401 both ends, equalizing beam 4's fixed part 401 sets up the mounting hole, axle 2 sets up clamp plate 9 with equalizing beam 4 below, the utility model discloses set up to two equalizing beam 4, bear 3 one end of gasbag and fix on frame 1, the other end is fixed on installation department 402, specifically, frame 1 below is total four bears gasbag 3, corresponds to install on installation department 402.

The frame 1 both sides set up the leaf spring assembly, the leaf spring assembly includes leaf spring body 5 and sets up in the eye 6 at 5 both ends of leaf spring body, the leaf spring assembly passes through eye 6 to be fixed on frame 1, it is fixed through the U type bolt 8 that sets up between leaf spring body 5 and the axle 2, U type bolt 8 chucking leaf spring body 5 down passes mounting hole, axle 2 and clamp plate 10 in proper order and fixes through the nut.

All set up first support 101 and second support 102 in 1 both sides of frame, first support 101 corresponds the setting with the book ear 6 at 5 both ends of leaf spring body with second support 102 respectively, set up elastomer bush 7 in the book ear 6 elastomer bush 7 includes first metal framework 701, rubber elastomer 702 and the second metal framework 703 that set gradually from inside to outside, second metal framework 703 is provided with opening 731, first metal framework 701 hole sets up central siphon 704, set up elastic washer 705 between central siphon 704 and the first metal framework 701, elastic washer 705's both ends set up prevent inclined to one side cutting ferrule 706.

The above description is only a preferred embodiment of the present invention, and it will be apparent to those skilled in the art that a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations are also considered as the protection scope of the present invention.

Claims

1. The utility model provides an automobile-used compound air suspension of light-duty load, includes frame, axle and sets up a plurality of gasbags that bear between frame and axle, its characterized in that, set up equalizing beam on the axle, equalizing beam includes the fixed part and sets up in the installation department at fixed part both ends, bear gasbag one end and fix on the frame, the other end is fixed on the installation department, the frame both sides set up the leaf spring assembly, the leaf spring assembly includes the leaf spring body and sets up in the eye at leaf spring body both ends, set up the elastomer bush in the eye, the leaf spring assembly passes through the eye and fixes on the frame, through the U type bolt fastening who sets up between leaf spring and the axle.

2. The composite air suspension for a light load vehicle as claimed in claim 1, wherein said elastomer bushing comprises a first metal frame, a rubber elastomer and a second metal frame arranged in sequence from inside to outside.

3. The composite air suspension for light load vehicle as claimed in claim 2, wherein said second metal frame is provided with an opening portion, said first metal frame is provided with an inner hole provided with a shaft tube, and an elastic washer is provided between said shaft tube and said first metal frame.

4. The composite air suspension for light duty vehicle as recited in claim 3, wherein said two segments of said spring washer are provided with anti-deflection clips.

5. The composite air suspension for light load vehicle as claimed in claim 1, wherein the first and second brackets are provided on both sides of the frame, and the first and second brackets are provided corresponding to the lugs on both ends of the leaf spring body, respectively.

6. The composite air suspension for a light duty vehicle of claim 1 wherein a plurality of shock absorbers are disposed between said frame and said equalizer beam, said equalizer beam being disposed in an arcuate configuration.

7. The composite air suspension for light load vehicle as claimed in claim 1, wherein the fixing portion of the equalizing beam is provided with a mounting hole, a pressing plate is provided under the axle and the equalizing beam, and the U-shaped bolt clamps the plate spring downward and passes through the mounting hole, the axle and the pressing plate in turn and is fixed by a nut.