CN211001583U - Rear suspension assembly of air bag vibration reduction cab - Google Patents
Rear suspension assembly of air bag vibration reduction cab Download PDFInfo
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- CN211001583U CN211001583U CN201921521897.7U CN201921521897U CN211001583U CN 211001583 U CN211001583 U CN 211001583U CN 201921521897 U CN201921521897 U CN 201921521897U CN 211001583 U CN211001583 U CN 211001583U
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- air bag
- assembly
- gasbag
- damping
- rear suspension
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Abstract
The utility model provides a gasbag damping driver's cabin rear overhang assembly, including the rear overhang stand, it has gasbag shock attenuation part to articulate on the rear overhang stand, gasbag shock absorber assembly, spacing regulation support, altitude mixture control valve assembly, regulation pipeline under the gasbag shock attenuation part includes the damping round pin, gasbag shock absorber assembly, spacing regulation support, regulation pipeline, and the round pin is fixed in the bottom of gasbag shock attenuation assembly under the damping, and spacing regulation support setting is equipped with gasbag and damping cushion between the top of spacing regulation support and gasbag shock attenuation assembly, and the one end and the gasbag shock absorber assembly of regulation pipeline are connected, and the other end and the altitude mixture control valve assembly of regulation pipeline are connected. The rear suspension assembly of the airbag vibration reduction cab has small dead weight, improves the economy of the whole vehicle, and reduces the vehicle cost of users; the air bag is adopted for vibration reduction, so that the vibration reduction effect is greatly improved, and the comfort of the whole vehicle is improved; simple structure, reduced production, assembly, improved the competitiveness of vehicle in the market.
Description
Technical Field
The utility model relates to a suspension assembly behind the driver's cabin, especially a gasbag damping driver's cabin rear overhang assembly.
Background
The rear suspension structure of the cab of the commercial vehicle is an important component of a suspension system, is arranged between the rear part of the cab and a frame, and mainly plays a role in supporting the cab and damping the cab during vehicle running. To the reversible cab, the rear suspension structure of the cab also plays a role in locking and stabilizing the cab.
The existing cab rear suspension (figure 1) adopts a single hydraulic lock mode, the lock pin assemblies are directly installed on two sides of the cab rear wall, the hydraulic lock assemblies are installed on the rear suspension upright post, and the lock pins are locked through the lock hooks to lock the cab. The spring damper assembly is vertically mounted on the rear suspension upright post. After the cab is locked, the vibration reduction and the stabilization of the cab are realized through the rear suspension spring damper. The rear suspension structure of the cab is significant in self weight, and the vertical arrangement form of the spring damper assembly has an unobvious effect on the lateral stabilizing effect of the cab, so that the stability of the cab is poor, and the resonance of a vehicle is easily caused.
At present, light weight is one of the development directions of the commercial vehicle 'five-purpose', and the comfort of the whole vehicle also becomes an important concern. Therefore, in order to improve the competitiveness of the product, a new cab rear suspension assembly needs to be developed.
Disclosure of Invention
The utility model aims at providing a suspension assembly behind gasbag damping driver's cabin reduces the back suspension dead weight, improves the travelling comfort nature of whole car travel in-process, has simple structure simultaneously, and is with low costs, improves the competitiveness of vehicle on market.
In order to solve the technical problem, the technical scheme of the utility model as follows: the utility model provides an gasbag damping driver's cabin rear overhang assembly, includes rear overhang stand, its characterized in that: the rear suspension upright post is hinged with an air bag damping part, the air bag damping part comprises a lower damping pin, an air bag damper assembly, a limiting adjusting support, a height adjusting valve assembly and an adjusting pipeline, the lower damping pin is fixed at the bottom of the air bag damper assembly, the limiting adjusting support is arranged at the top of the air bag damper assembly, an air bag and a damping cushion are arranged between the limiting adjusting support and the top of the air bag damper assembly, one end of the adjusting pipeline is connected with the air bag damper assembly, and the other end of the adjusting pipeline is connected with the height adjusting valve assembly; the upper end of the rear suspension upright post is hinged with an air bag upper bracket, and the air bag upper bracket is provided with a latch hook.
The improvement of the technical scheme is as follows: the adjusting pipeline connects the air storage cylinder with the air bag type shock absorber assembly through a tee joint.
The technical scheme is further improved as follows: an air bag lower support mounting hole and an air bag upper support mounting hole are punched on the rear suspension upright post, and an upper pin shaft and a lower pin shaft which are connected with an air bag shock absorber assembly are arranged in the mounting holes.
Has the advantages that:
compared with the existing products, the rear suspension assembly of the airbag vibration reduction cab can reduce weight by 15 percent, has small dead weight, improves the economy of the whole vehicle, and reduces the vehicle cost of users; the air bag is adopted for vibration reduction, so that the vibration reduction effect is greatly improved, and the comfort of the whole vehicle is improved; the structure is simple, the production and assembly are reduced, the competitiveness of the vehicle on the market is improved, and the market with increasingly strong competition is met.
Drawings
Fig. 1 is a schematic structural diagram of a conventional mechanical vibration damping cab rear suspension assembly.
Fig. 2 is a schematic structural view of the rear suspension assembly of the cab of the present invention.
Fig. 3 is a schematic structural view of the rear suspension column assembly of the cab of the present invention.
Fig. 4 is a schematic structural view of the rear suspension airbag shock absorber assembly of the cab of the present invention.
In the figure: the device comprises a rear suspension upright post 1, a lower damping pin 2, an air bag damper assembly 3, an air bag 4, a damping cushion 5, a limit adjusting bracket 6, an upper bracket 7, a latch hook 8, a fastening bolt 9, a pin shaft 10, a height adjusting valve assembly 11 and an adjusting pipeline 12.
Detailed Description
The utility model relates to an airbag vibration reduction cab rear suspension assembly as shown in fig. 2-4, including rear suspension stand 1, rear suspension stand 1 is articulated with the gasbag shock attenuation part, the gasbag shock attenuation part includes damping lower pin 2, gasbag bumper shock absorber assembly 3, spacing adjusting support 6, height adjusting valve assembly 11, adjusting line 12, damping lower pin 2 is fixed in the bottom of gasbag bumper shock absorber assembly 3, spacing adjusting support 6 sets up at the top of gasbag bumper shock absorber assembly 3, be equipped with gasbag 4 and damping cushion 5 between spacing adjusting support 6 and the top of gasbag bumper shock absorber assembly 3, one end of adjusting line 12 is connected with gasbag bumper shock absorber assembly 3, the other end of adjusting line 12 is connected with height adjusting valve assembly 11; the upper end of the rear suspension upright post 1 is hinged with an upper bracket 7, and the upper bracket 7 is provided with a latch hook 8.
The adjusting pipeline 12 connects the air storage cylinder with the air bag type shock absorber assembly 3 through a three-way joint.
An air bag lower support mounting hole and an air bag upper support mounting hole are punched on the rear suspension upright post 1, and an upper pin shaft and a lower pin shaft which are connected with an air bag shock absorber assembly are arranged in the mounting holes.
A gasbag damping driver's cabin rear overhang assembly, install rear overhang stand 1 on the frame, rear overhang stand 1 adopts the high strength steel stamping that 6.5mm is thick to form, only adopt four mounting holes to be connected with the frame ventral surface, the gasbag lower carriage mounting hole and the gasbag upper bracket mounting hole of phi 17 that have phi 15 on the rear overhang stand 1, gasbag bumper shock absorber assembly 3 is mainly connected in this hole, the bottom pin axle, gasbag bumper shock absorber assembly is by gasbag upper bracket 7, latch hook 8, 7 fastening bolt 9 of gasbag upper bracket and the articulated formation of round pin axle 10, latch hook 8 lower part and 6 contacts of spacing regulation support are in the same place, play the effect of adjusting gasbag pressure, latch hook pins the latch pin simultaneously and realizes the locking to the driver's cabin. The air bag vibration damping part is composed of a vibration damping lower pin 2, an air bag vibration damper assembly 3, an air bag 4, a vibration damping soft cushion 5, a limiting adjusting bracket 6, a height adjusting valve assembly 11 and an adjusting pipeline 12 assembly. During the running of the vehicle, the cab floats upwards or sinks along with the bump of the road surface, and in the floating process of the cab, the control rod of the height adjusting valve 11 rotates upwards along with the floating of the cab to connect the air bag type spring shock absorber assembly with the atmosphere, so that the air release control of the air bag is realized, and the rigidity of the air bag is reduced. In the sinking process of the cab, a control rod of the altitude valve rotates downwards along with the sinking of the cab, the air storage cylinder is communicated with the air bag type spring damper assembly through the adjusting pipeline 12 and the three-way joint, the air inflation control of the air bag is realized, and the rigidity of the air bag is improved. The gasbag damping part and the rear suspension upright post 1 are hinged together to form the rear suspension assembly of the cab. The damping effect of the rear suspension device of the cab is improved by adjusting the rigidity of the air bag type spring damper in the bumping process of the cab.
The above-described embodiments are merely preferred examples of the present invention and are not exhaustive of the possible implementations of the present invention. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, but would not bring the invention so modified beyond the spirit and scope of the present invention.
Claims (3)
1. The utility model provides an gasbag damping driver's cabin rear overhang assembly, includes rear overhang stand, its characterized in that: the rear suspension upright post is hinged with an air bag damping part, the air bag damping part comprises a lower damping pin, an air bag damper assembly, a limiting adjusting support, a height adjusting valve assembly and an adjusting pipeline, the lower damping pin is fixed at the bottom of the air bag damper assembly, the limiting adjusting support is arranged at the top of the air bag damper assembly, an air bag and a damping cushion are arranged between the limiting adjusting support and the top of the air bag damper assembly, one end of the adjusting pipeline is connected with the air bag damper assembly, and the other end of the adjusting pipeline is connected with the height adjusting valve assembly; the upper end of the rear suspension upright post is hinged with an air bag upper bracket, and the air bag upper bracket is provided with a latch hook.
2. An air bag damped cab rear suspension assembly as set forth in claim 1, wherein: the adjusting pipeline connects the air storage cylinder with the air bag type shock absorber assembly through a tee joint.
3. An air bag damped cab rear suspension assembly as set forth in claim 1 or 2, wherein: an air bag lower support mounting hole and an air bag upper support mounting hole are punched on the rear suspension upright post, and an upper pin shaft and a lower pin shaft which are connected with an air bag shock absorber assembly are arranged in the mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921521897.7U CN211001583U (en) | 2019-09-12 | 2019-09-12 | Rear suspension assembly of air bag vibration reduction cab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921521897.7U CN211001583U (en) | 2019-09-12 | 2019-09-12 | Rear suspension assembly of air bag vibration reduction cab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211001583U true CN211001583U (en) | 2020-07-14 |
Family
ID=71499204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921521897.7U Active CN211001583U (en) | 2019-09-12 | 2019-09-12 | Rear suspension assembly of air bag vibration reduction cab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211001583U (en) |
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2019
- 2019-09-12 CN CN201921521897.7U patent/CN211001583U/en active Active
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| GR01 | Patent grant | ||
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