CN113119672A

CN113119672A - Single-bridge four-airbag air suspension

Info

Publication number: CN113119672A
Application number: CN202110617616.3A
Authority: CN
Inventors: 陈兴岩; 王德虎; 王科; 洪波; 杨国彬; 王光旭; 范丽娜
Original assignee: Xi'an Deka Automobile System Co ltd
Current assignee: Xi'an Deka Automobile System Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-07-16
Anticipated expiration: 2041-06-03
Also published as: CN113119672B

Abstract

The invention relates to the technical field of air bag air suspensions, in particular to a single-bridge four-air-bag air suspension which comprises a chassis, an upper connecting seat, an air bag, a supporting mechanism, hinged seats, supporting plates, a bearing shaft and a U-shaped clamp, wherein two groups of supporting plates are fixedly connected with two ends of the bearing shaft through the U-shaped clamp, two ends of each supporting plate are hinged with the supporting mechanism with a protection function through two groups of hinged seats, the air bag is arranged on each supporting mechanism, one end of the air bag is connected with the chassis through the upper connecting seat, the mesh cloth is pulled by the upper connecting seat, the moving of the mesh cloth drives a roller I and a roller II to move, the roller I rotates to deform a coil spring in a coil spring device, when the air bag loses air, the roller I rotates reversely under the action of the coil spring in the coil spring device along with the descending of the chassis, the mesh cloth is plugged into a retraction groove by the reversing, the air bag is protected, and then the mesh cloth can be automatically folded when the air bag is not used.

Description

Single-bridge four-airbag air suspension

Technical Field

The invention relates to the technical field of air bag air suspensions, in particular to a single-bridge four-air-bag air suspension.

Background

Currently, the current practice is. The development trend of the chassis of the tractor is as follows: light weight and low cost. Under the background, electronically controlled air suspensions and composite air suspensions appear in domestic and foreign markets and are mainly applied to 4 × 2 and 6 × 4 tractors. Most of 6 x 2 tractors are in the arrangement form that a traditional steel plate spring is matched with double front shafts and a rear drive axle, and a steel plate spring suspension system has the disadvantages of great weight, high cost and poor comfort.

The existing air bag air suspension is directly connected to a tractor chassis, one end of an air bag is connected with the suspension, the other end of the air bag is connected with the tractor chassis, the air bag is extruded by forces in different directions in the using process of the tractor, the air bag is torn between the tractor chassis and the suspension, the air bag and the tractor chassis are prone to being broken, the service life of the air bag is shortened, and then when the tractor rolls stones in the driving process, the broken stones which are shot at four times easily cut the air bag.

Disclosure of Invention

The invention aims to provide a single-bridge four-airbag air suspension to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a single-bridge four-airbag air suspension comprises a chassis, an upper connecting seat, an airbag, a supporting mechanism, hinged seats, supporting plates, a bearing shaft and a U-shaped clamp, wherein two ends of the bearing shaft are fixedly connected with two groups of supporting plates through the U-shaped clamp;

the supporting mechanism comprises a rectangular bottom plate, a mesh cloth winding and unwinding box is sleeved on the rectangular bottom plate, two sets of shaft sleeves are symmetrically arranged on the rectangular bottom plate, the shaft sleeves are matched with each other to connect the guide pillars, and mesh cloth is arranged in the mesh cloth winding and unwinding box.

Preferably, the mesh cloth winding and unwinding box comprises a box body, a winding and unwinding groove is formed in the box body, two groups of rollers I are symmetrically arranged in the winding and unwinding groove, the rollers I are rotatably connected with the rollers II, spring coiling devices are arranged at two ends of the rollers I, the spring coiling devices are embedded into sliding blocks, the sliding blocks are matched and connected with sliding grooves, and bolts are screwed in the box body.

Preferably, the shaft sleeve is internally provided with a through hole, the end part of the through hole is embedded into the vertical bearing, and the vertical bearing is connected with the guide pillar in a sliding manner.

Preferably, the connecting seat is connected to screen cloth one end, and the screen cloth other end is connected and is receive and release the tank bottom portion, and the screen cloth is located between roller one and roller two.

Preferably, two groups of bearings are symmetrically arranged at two ends of the roller II, and the bearings are embedded into the box body.

Preferably, one end of the bolt is provided with a bearing, and the bearing is embedded into the sliding block.

Compared with the prior art, the invention has the beneficial effects that:

1. when the air bag is inflated to lift the chassis, the chassis pulls the guide post through the upper connecting seat, and the chassis is vertically lifted upwards under the matching of the guide post and the vertical bearing, so that the lifting of the chassis is guided;

2. go up connecting seat pulling screen cloth, the removal of screen cloth drives roller one and two removals of roller, roller one rotates the wind spring that makes in the wind spring device and takes place deformation, when the gasbag is lost heart, along with the chassis descends, under the effect of the wind spring in the wind spring device, make a roller reversal, the screen cloth is filled in with the reversal of roller one and receive and release the inslot, to sum up, the settlement of screen cloth makes the car travel in-process, avoid the rubble to damage the gasbag, play the guard action to the gasbag, secondly do not use the messenger at the gasbag, can pack up the screen cloth automatically.

Drawings

FIG. 1 is a side view of the structure of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

FIG. 4 is a combination view of the shaft sleeve, the box body, the sliding groove and the accommodating groove of the structure of the invention.

In the figure: 1. a chassis; 2. an upper connecting seat; 3. an air bag; 4. a support mechanism; 5. a hinged seat; 6. a support plate; 7. a load bearing shaft; 8. a U-shaped clamp; 401. a rectangular bottom plate; 402. a shaft sleeve; 403. storing and taking-up boxes for screen cloth; 404. a guide post; 405. screen cloth; 4031. a bolt; 4032. a spring coiling device; 4033. a slider; 4034. a first roller; 4035. a chute; 4036. a box body; 4037. a retraction slot; 4038. and a second roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a single-bridge four-airbag air suspension comprises a chassis 1, an upper connecting seat 2, an airbag 3, a supporting mechanism 4, hinged seats 5, supporting plates 6, a bearing shaft 7 and a U-shaped clamp 8, wherein two ends of the bearing shaft 7 are fixedly connected with two groups of supporting plates 6 through the U-shaped clamp 8, two ends of each supporting plate 6 are hinged with the supporting mechanism 4 with a protection function through two groups of hinged seats 5, the airbag 3 is arranged on each supporting mechanism 4, one end of the airbag 3 is connected with the chassis 1 through the upper connecting seat 2, the supporting mechanism 4 comprises a rectangular bottom plate 401, a mesh cloth receiving and releasing box 403 is sleeved on the rectangular bottom plate 401, two groups of shaft sleeves 402 are symmetrically arranged on the rectangular bottom plate 401 and are matched to receive guide pillars 404, a mesh cloth 405 is arranged in the mesh cloth receiving and releasing box 403, the mesh cloth receiving and releasing box 403 comprises a box body 4036, a receiving and releasing groove 4037 is arranged in the box body 4036, two, the two ends of the first roller 4034 are provided with coil spring devices 4032, the coil spring devices 4032 are embedded into the sliding block 4033, the sliding block 4033 is connected with the sliding groove 4035 in a matching mode, the box 4036 is in threaded connection with the bolt 4031, a through hole is formed in the shaft sleeve 402, the end portion of the through hole is embedded into a vertical bearing, the vertical bearing is in sliding connection with the guide post 404, one end of the mesh cloth 405 is connected with the upper connecting seat 2, the other end of the mesh cloth 405 is connected with the bottom of the retraction groove 4037, the mesh cloth 405 is located between the first roller 4034 and the second roller 4038, two groups of bearings are symmetrically arranged at the two ends of the second roller 4038 and embedded into the box 4036, one end of the bolt 4031 is provided with the bearing, and the bearing is embedded into the sliding block 4033, wherein before the base plate 1 is lifted, the bolt 4031 is rotated to enable the sliding block 4033 to move along the sliding groove 4035 until the first roller 4034, thereby play the guide effect to the lift of chassis 1, go up connecting seat 2 pulling screen cloth 405 simultaneously, the removal of screen cloth 405 drives roller 4034 and the removal of roller 4038, roller 4034 rotates and makes the wind spring in the wind spring device 4032 take place deformation, when gasbag 3 loses heart, along with chassis 1 descends, under the effect of the wind spring in the wind spring device 4032, make roller 4034 reversal, the reversal of roller 4034 fills in screen cloth 405 in receiving and releasing groove 4037, to sum up, the settlement of screen cloth 405, make the car travel in-process, avoid the rubble to damage gasbag 3, play the guard action to gasbag 3, secondly do not use the messenger at gasbag 3, can pack up screen cloth 405 automatically.

The working principle is as follows: in the using process, before the base plate 1 is lifted, the bolt 4031 is rotated, the sliding block 4033 is made to move along the sliding groove 4035 by the rotation of the bolt 4031 until the roller I4034 presses the mesh cloth 405, when the base plate 1 is lifted by inflating the airbag 3, the base plate 1 pulls the guide post 404 through the upper connecting seat 2, the base plate 1 is made to be lifted vertically and upwards under the matching of the guide post 404 and the upright bearing, meanwhile, the mesh cloth 405 is pulled by the upper connecting seat 2, the movement of the mesh cloth 405 drives the roller I4034 and the roller II 4038 to move, the roller I4034 rotates to enable the coil spring in the coil spring device 4032 to deform, when the airbag 3 loses air, the roller I4034 rotates reversely under the action of the coil spring in the coil spring device 4032 along with the descending of the base plate 1, and the roller I4034 is made to reversely rotate.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a four gasbag air suspensions of single bridge, includes chassis (1), goes up connecting seat (2), gasbag (3), supporting mechanism (4), articulated seat (5), backup pad (6), bears axle (7), U type clamp (8), bear two sets of backup pads (6) of U type clamp (8) fixed connection, its characterized in that are passed through to axle (7) both ends: two ends of the supporting plate (6) are hinged with a supporting mechanism (4) with a protection function through two groups of hinge seats (5), an air bag (3) is arranged on the supporting mechanism (4), and one end of the air bag (3) is connected with the chassis (1) through an upper connecting seat (2);

the supporting mechanism (4) comprises a rectangular bottom plate (401), a mesh cloth storing and releasing box (403) is sleeved on the rectangular bottom plate (401), two groups of shaft sleeves (402) are symmetrically arranged on the rectangular bottom plate (401), the shaft sleeves (402) are matched to connect a guide post (404), and mesh cloth (405) is arranged in the mesh cloth storing and releasing box (403).

2. A single bridge four air bag air suspension according to claim 1 wherein: the mesh cloth receiving and releasing box (403) comprises a box body (4036), a receiving and releasing groove (4037) is formed in the box body (4036), two groups of first rollers (4034) are symmetrically arranged in the receiving and releasing groove (4037), the first rollers (4034) are rotatably connected with second rollers (4038), two ends of the first rollers (4034) are provided with coil spring devices (4032), the coil spring devices (4032) are embedded into a sliding block (4033), the sliding block (4033) is connected with a sliding groove (4035) in a matched mode, and the box body (4036) is in threaded connection with a bolt (4031).

3. A single bridge four air bag air suspension according to claim 1 wherein: the shaft sleeve (402) is internally provided with a through hole, the end part of the through hole is embedded into an upright bearing, and the upright bearing is slidably connected with a guide post (404).

4. A single bridge four air bag air suspension according to claim 1 wherein: and one end of the mesh cloth (405) is connected with the connecting seat (2), the other end of the mesh cloth (405) is connected with the bottom of the retraction groove (4037), and the mesh cloth (405) is positioned between the first roller (4034) and the second roller (4038).

5. A single bridge four air bag air suspension according to claim 2 wherein: two groups of bearings are symmetrically arranged at two ends of the second roller (4038), and the bearings are embedded into the box body (4036).

6. A single bridge four air bag air suspension according to claim 2 wherein: and one end of the bolt (4031) is provided with a bearing, and the bearing is embedded into the sliding block (4033).