CN211519171U - Rear lifting air suspension system of heavy-duty car - Google Patents
Rear lifting air suspension system of heavy-duty car Download PDFInfo
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- CN211519171U CN211519171U CN202020133332.8U CN202020133332U CN211519171U CN 211519171 U CN211519171 U CN 211519171U CN 202020133332 U CN202020133332 U CN 202020133332U CN 211519171 U CN211519171 U CN 211519171U
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Abstract
In order to solve the unstable problem of motion relation between current back promotion suspension system frame and the axle, the utility model provides a promote air suspension system behind heavy-duty car, be equipped with the frame crossbeam between two solebars, a serial communication port, mainly including being located solebar about both ends and fixed connection in the bearing system between solebar and axle, fixed connection is used for restricting the guidance system of all around direction displacement between frame and axle top, fixed connection is used for driving the lifting system that the axle reciprocated between axle top and solebar, fixed connection is in the damping system and the fixed connection between solebar and axle below and is used for restricting the horizontal stable system of axle lateral displacement, lifting system links to each other with the guidance system is fixed.
Description
Technical Field
The utility model relates to a heavy-duty car suspension technical field, in particular to promote air suspension system behind heavy-duty car.
Background
At present, the rear lifting suspension system has various structural types, for example, the suspension bearing function can be realized by a plate spring suspension or an air bag suspension, and the suspension lifting function can be realized by an oil cylinder lifting structure or an air bag lifting structure. The lifting structure of the oil cylinder is heavy, the weight is large, the dead weight of the whole vehicle is increased, and the oil cylinder is not suitable for the development of the current heavy commercial vehicle. Because the lifting axle is a non-drive axle, the axle load of the non-drive axle is required to be smaller than that of the drive axle, a lifting mechanism is additionally arranged in a common air suspension system in the prior art, the lifting mechanism is pressurized to realize the lifting of the bearing axle through the deflation of an air bag of a bearing air suspension, but the motion relation between the existing structural frame and the axle cannot be completely ensured, and the reliability is low.
Disclosure of Invention
In order to solve the problem, the utility model provides a promote air suspension system behind heavy-duty car, the technical scheme of adoption as follows:
the utility model provides a heavy-duty car back lifting air suspension system, be equipped with the frame crossbeam between two solebars, its characterized in that, mainly including be located the solebar about both ends and fixed connection in the bearing system between solebar and axle, fixed connection is used for restricting the guide system of all around direction displacement between frame and axle top, fixed connection is used for driving the axle between axle top and the solebar and reciprocates the hoist system, fixed connection is in the damping system between solebar and axle and fixed connection is used for restricting the horizontal displacement's of axle horizontal stabilization system between solebar and axle below, hoist system and guide system fixed link to each other.
Preferably, the bearing system mainly comprises a supporting support, a supporting air bag bracket and a supporting air bag, wherein the supporting support and the supporting air bag bracket are respectively fixedly connected to the axle and the frame longitudinal beam, and the supporting air bag is fixedly connected between the supporting support and the supporting air bag bracket.
Preferably, the guide system mainly comprises a lower thrust rod positioned below the frame longitudinal beam and a V-shaped thrust rod positioned between the frame longitudinal beams, the lower thrust rod is distributed in the front-back direction, one end of the lower thrust rod is fixedly connected with the frame longitudinal beam through a guide support, the other end of the lower thrust rod is fixedly connected with the axle, the front end of the V-shaped thrust rod is fixedly connected with the frame cross beam, and the rear end of the V-shaped thrust rod is fixedly connected with the axle through a V-shaped push support.
Preferably, the lifting system mainly comprises a lifting air bag, a lifting air bag bracket and a fixed bracket, the fixed bracket is fixedly connected to the lower part between the two frame longitudinal beams, the lifting air bag bracket is fixedly connected with the axle through a guide system, and the lifting air bag is fixedly connected between the lifting air bag bracket and the fixed bracket.
Preferably, the vibration reduction system mainly comprises a vibration reducer, a vibration reducer support and a fixed support, the fixed support and the vibration reducer support are respectively and fixedly connected with the frame longitudinal beam and the axle, and the vibration reducer is vertically distributed and fixedly connected between the fixed support and the vibration reducer support.
Preferably, the transverse stabilizing system mainly comprises a stabilizer bar, a stabilizer bar support, a hanging tube support and a fixing clamp block, the stabilizer bar support is fixedly connected to the outer end face of the frame longitudinal beam, the hanging tube support is fixedly connected to the lower portion of the stabilizer bar support, the fixing clamp block is fixedly connected to the axle, the stabilizer bar is connected between the hanging tube support and the fixing clamp block, the front end of the stabilizer bar is connected with the hanging tube support in a front-back rotating mode, and the rear end of the stabilizer bar is connected with the fixing clamp block in a front-back rotating mode.
Preferably, rubber bushings are arranged between the stabilizer bar bracket and the hanging pipe bracket, between the stabilizer bar bracket and the stabilizer bar and between the fixing clamping block and the axle.
The beneficial effects of the utility model reside in that:
1. the lower thrust rod and the V-shaped thrust rod limit the front, back, left and right directions of the suspension, so that the suspension can only move up and down;
2. the stabilizing rod is distributed between the frame and the axle in the front-back direction to realize the transverse stability of the suspension, and limits the suspension in the front-back direction together with the V-shaped thrust rod;
3. the lifting air bag is fixed with the frame through the fixing support, the fixing support is used as a fixing connection point at the upper end of the shock absorber, and the lower end of the shock absorber is connected with the axle through the shock absorber support, so that the number of parts of the whole vehicle is reduced, and the system integration level is increased;
4. the whole structure integrates multiple functions of bearing, lifting, guiding and vibration reduction of the suspension, and is convenient to install and high in reliability.
Drawings
Figure 1 is a perspective view of the structure of the utility model
FIG. 2 is a left side view
FIG. 3 is a schematic view of a V-shaped push support
FIG. 4 is a schematic view of a fixing bracket
FIG. 5 is a schematic view of a lifting air bag support structure
The support airbag comprises a support airbag support 1, a support 2, a support airbag 3, a guide support 4, a lower thrust rod 5, a shock absorber support 6, a thrust rod 7-V, a thrust rod 8-V, an axle mounting hole 801, a support mounting hole 802, a fixing support 9, a frame mounting hole 901, a first airbag mounting hole 902, a lifting airbag support 10, a support mounting hole 101, an air bag mounting hole 102, a second airbag mounting hole 11, a shock absorber 12, a stabilizer bar support 13, a hanging pipe support 14, a stabilizer bar 15, a fixing clamp block 16, a frame rail 17, a frame rail 18, an axle 19 and a lifting airbag.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The rear lift air suspension system of a heavy-duty vehicle as shown in fig. 1-2 mainly comprises a bearing system, a guide system, a lifting system, a damping system and a transverse stabilizing system, wherein a frame cross beam 17 is connected between two frame longitudinal beams 16.
Specifically, the bearing system mainly comprises a supporting airbag 3, supporting airbag brackets 1 and supporting supports 2, wherein the two supporting airbag brackets 1 are respectively fixed on the outer end surfaces of two frame longitudinal beams 16 through bolt assemblies, the two supporting supports 2 are respectively fixedly connected to the left end and the right end of an axle 18 through bolt assemblies, and the upper end and the lower end of the supporting airbag 3 are respectively fixedly connected with the supporting airbag brackets 1 and the supporting supports 2 through bolts.
The guide system mainly comprises a guide support 4, a lower thrust rod 5, a V-shaped thrust rod 7 and a V-shaped thrust support 8, wherein the two groups of guide supports are respectively fixedly connected below the outer end surfaces of two frame longitudinal beams 16, the front and back directions of the lower thrust rod 5 are distributed below the frame longitudinal beams, the front end of the lower thrust rod 5 is fixedly connected with the lower end of the guide support 4, the rear end of the lower thrust rod 5 is fixedly connected with an axle 18, the lower thrust rod 5 adopts an I-shaped thrust rod for limiting the displacement in the front and back directions, the V-shaped thrust rod 7 is arranged between the two frame longitudinal beams 16, the front end of the V-shaped thrust rod 7 is fixedly connected with a frame cross beam 17, the rear end of the V-shaped thrust rod 7 is fixedly connected with the upper end of the axle 18 through the V-shaped thrust support 8, the V-shaped thrust support 8 is provided with a plurality of axle mounting holes 801 on the lower end surface as shown in figure 3 and fixedly connected with the axle, the lower thrust rod 5 and the V-shaped thrust rod 7 ensure that the axle 18 can only move in the vertical direction, and the guide function of the suspension system is realized.
The lifting system mainly comprises a lifting air bag 19, a lifting air bag bracket 10 and a fixed bracket 9, wherein the fixed bracket 9 is in a U-shaped structure as shown in fig. 4, the left side and the right side of the upper end of the fixed bracket 9 are respectively fixedly connected with the outer end faces of two frame longitudinal beams 16, the whole structure of the fixed bracket 9 is positioned below the frame longitudinal beams 16, a first air bag mounting hole 902 is arranged in a U-shaped groove of the fixed bracket 9, the lower end of the lifting air bag 19 is fixedly connected inside the fixed bracket 9 through a bolt and the first air bag mounting hole 902, in addition, the upper end of the lifting air bag 19 is fixedly connected with a V push support 8 through the lifting air bag bracket 10, the air bag bracket 10 is provided with support mounting holes 101 which are in one-to-one correspondence with support mounting holes 802 on the V push support 8 as shown in fig. 5, the upper end face is provided with a second air bag mounting hole 102 for, the lower end of the lifting air bag 19 is fixedly connected with the frame longitudinal beam 16 through the fixing support 9, the upper end of the lifting air bag is connected with the V-shaped pushing support 8 through the air bag support 10 and further connected with the V-shaped thrust rod 7 and the frame cross beam 17, and the vertical relative motion between the frame and the axle 18 is driven through the vertical motion of the lifting air bag 19.
The damping system mainly comprises two bumper shock absorbers 11 and two bumper shock absorber supports 6, bumper shock absorber support 6 fixed connection is in the below of axle 18, and bumper shock absorber support 6 and bumper shock absorber 11 all are located the outside of solebar 16, bumper shock absorber 11 distributes from top to bottom, lower extreme and bumper shock absorber support 6 rear end fixed connection, the upper end is then through the upper portion fixed connection of bolt with fixed bolster 9, as shown in fig. 3, the outer terminal surface upper portion of the fixed bolster 9 left and right sides all is equipped with the fixed part that is used for with bumper shock absorber 11 upper portion fixed connection, in addition, bumper shock absorber support 6 front and back direction distributes, bumper shock absorber support 6 front end passes through bolt fixed connection with the rear end of lower thrust rod 5.
The transverse stabilizing system consists of two groups of stabilizer bars 14, stabilizer bar brackets 12, a suspension pipe bracket 13 and fixing clamp blocks 15, wherein the stabilizer bar brackets 12 are fixedly connected on the guide bracket 4 and positioned below the frame longitudinal beams 16, the suspension pipe brackets 13 are fixedly connected below the stabilizer bar brackets 12, the two fixing clamp blocks 15 are fixedly connected to the left part and the right part of the axle 18, the stabilizer bars 14 are distributed in the front-back direction, the two ends are respectively connected with the lower ends of the suspension pipe brackets 13 and the fixing clamp blocks 15 in the front-back direction in a rotating way, rubber sleeves are respectively arranged between the lower ends of the stabilizer bar brackets 12 and the upper ends of the suspension pipe brackets 13, between the lower ends of the suspension pipe brackets 13 and the front ends of the stabilizer bars 14 and between the fixing clamp blocks 15 and the axle 18, the suspension pipe brackets 13 can swing back and forth around the lower ends of the stabilizer bar brackets 12 when the axle 18 is lifted, and the rubber sleeves, a certain deformation occurs.
The utility model realizes the bearing function of the suspension by connecting the supporting support 2 and the supporting air bag bracket 1 with the supporting air bag 3; the guide of the suspension is realized by connecting the guide bracket 4 and the shock absorber bracket 6 with the lower thrust rod 5 and connecting the V-shaped thrust support 8 with the V-shaped thrust rod 7; the connection of the lifting air bag 19 and the axle 18 is realized by adopting a fixed bracket 9, a V-shaped push support 8 and a lifting air bag bracket 10, the lower end of the lifting air bag 19 is arranged on the fixed bracket 9, and the lifting of the suspension is realized by inflating the lifting air bag 19; the stabilizer bar bracket 12, the hanging pipe bracket 13 and the fixing clamp block 15 are connected with the stabilizer bar 14 to realize the transverse stability of the suspension; meanwhile, the shock absorber 11 is connected to the fixing support 9 and the shock absorber support 6, the shock absorbing function is achieved, and the lifting suspension is simple in structure, convenient to install and high in reliability.
The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements can be made, and these improvements should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a heavy-duty car back lifting air suspension system, be equipped with the frame crossbeam between two solebars, its characterized in that, mainly including be located the solebar about both ends and fixed connection in the bearing system between solebar and axle, fixed connection is used for restricting the guide system of all around direction displacement between frame and axle top, fixed connection is used for driving the axle between axle top and the solebar and reciprocates the hoist system, fixed connection is in the damping system between solebar and axle and fixed connection is used for restricting the horizontal displacement's of axle horizontal stabilization system between solebar and axle below, hoist system and guide system fixed link to each other.
2. The heavy-duty vehicle rear lift air suspension system of claim 1, wherein said load bearing system consists essentially of a support bracket, a support airbag bracket, and a support airbag, said support bracket and support airbag bracket being fixedly attached to the vehicle axle and frame rail, respectively, and said support airbag being fixedly attached between the support bracket and the support airbag bracket.
3. The heavy-duty car rear lift air suspension system of claim 1, wherein said guide system mainly comprises a lower thrust bar located below the frame rails and a V-shaped thrust bar located between the frame rails, said lower thrust bar is distributed in the front-rear direction, one end of the lower thrust bar is fixedly connected to the frame rails through a guide bracket, the other end of the lower thrust bar is fixedly connected to the axle, the front end of the V-shaped thrust bar is fixedly connected to the frame rails, and the rear end of the V-shaped thrust bar is fixedly connected to the axle through a V-shaped thrust support.
4. The heavy-duty vehicle rear lift air suspension system of claim 1, wherein said lift system is comprised of a lift airbag, a lift airbag bracket and a fixed bracket, said fixed bracket is fixedly attached to the underside between the frame rails, said lift airbag bracket is fixedly attached to the vehicle axle by a guide system, and said lift airbag is fixedly attached between the lift airbag bracket and the fixed bracket.
5. The rear lift air suspension system of claim 1, wherein said shock absorber system is mainly composed of a shock absorber, a shock absorber bracket and a fixing bracket, said fixing bracket and shock absorber bracket are respectively fixedly connected with the frame rail and the axle, said shock absorber is vertically distributed and fixedly connected between the fixing bracket and shock absorber bracket.
6. The heavy-duty vehicle rear lift air suspension system of claim 1, wherein said lateral stability system mainly comprises a stabilizer bar, a stabilizer bar bracket, a suspension pipe bracket and a fixing clamp block, said stabilizer bar bracket is fixedly connected to the outer end face of the frame rail, said suspension pipe bracket is fixedly connected below the stabilizer bar bracket, said fixing clamp block is fixedly connected to the vehicle axle, said stabilizer bar is connected between the suspension pipe bracket and the fixing clamp block, the front end of the stabilizer bar is connected with the suspension pipe bracket in a forward-backward rotation manner, and the rear end of the stabilizer bar is connected with the fixing clamp block in a forward-backward rotation manner.
7. The heavy-duty vehicle rear lift air suspension system of claim 6, wherein rubber bushings are provided between said stabilizer bar bracket and said hanger tube bracket, between said stabilizer bar bracket and said stabilizer bar, and between said retainer clamp and said axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020133332.8U CN211519171U (en) | 2020-01-21 | 2020-01-21 | Rear lifting air suspension system of heavy-duty car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020133332.8U CN211519171U (en) | 2020-01-21 | 2020-01-21 | Rear lifting air suspension system of heavy-duty car |
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| CN211519171U true CN211519171U (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020133332.8U Active CN211519171U (en) | 2020-01-21 | 2020-01-21 | Rear lifting air suspension system of heavy-duty car |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112848827A (en) * | 2021-01-22 | 2021-05-28 | 江苏汤臣汽车零部件有限公司 | Air suspension assembly with high strength guide arm |
| CN112937245A (en) * | 2021-01-15 | 2021-06-11 | 东风柳州汽车有限公司 | Automobile air suspension structure and automobile |
-
2020
- 2020-01-21 CN CN202020133332.8U patent/CN211519171U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112937245A (en) * | 2021-01-15 | 2021-06-11 | 东风柳州汽车有限公司 | Automobile air suspension structure and automobile |
| CN112848827A (en) * | 2021-01-22 | 2021-05-28 | 江苏汤臣汽车零部件有限公司 | Air suspension assembly with high strength guide arm |
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