CN210363249U - Air suspension for load tractor - Google Patents
Air suspension for load tractor Download PDFInfo
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- CN210363249U CN210363249U CN201921411803.0U CN201921411803U CN210363249U CN 210363249 U CN210363249 U CN 210363249U CN 201921411803 U CN201921411803 U CN 201921411803U CN 210363249 U CN210363249 U CN 210363249U
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- support
- load
- leaf spring
- air suspension
- guide arm
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Abstract
The utility model discloses an air suspension for load traction vehicle, which comprises a vehicle frame, an axle, two groups of plate spring supports and a bearing air bag which are symmetrically arranged between the vehicle frame and the axle, and is characterized in that a special-shaped belt rubber bushing plate spring assembly is arranged between the bearing air bag and the plate spring supports, the special-shaped belt rubber bushing plate spring assembly comprises a special-shaped guide arm and a rubber bushing arranged on the special-shaped guide arm, a fixed support is arranged on the plate spring support, a lifting air bag is arranged between the fixed support and the guide arm, an installation V-shaped support beam is arranged between the two groups of plate spring supports, a reinforcing support is arranged on the inner side of the vehicle frame, a backing plate is arranged between the reinforcing support and the plate spring supports, one side of the reinforcing support is connected with the vehicle frame, the other side of the reinforcing support passes through the backing plate and is connected with the plate spring supports, the shock absorption performance and the tire wear of the vehicle are greatly improved.
Description
Technical Field
The utility model belongs to the technical field of vehicle suspension and control, concretely relates to load is with air suspension for tractor.
Background
In order to improve the load capacity of the automobile and the uniform distribution of the load of the automobile, the damping performance and the tire abrasion of the automobile are greatly improved, and some host factories or refitting units adopt the air suspension and the axle device with the lifting function, so that the suspension is controlled by a control gas circuit, and the axle is lifted off when the axle is empty and is supported when the axle is fully loaded.
At present, common air suspensions for self-discharging, loading and towing vehicles mainly have an air suspension with a middle lifting device structure and a bilateral lifting scheme adopting a straight guide arm structure; the air suspension with the middle lifting device structure brings great trouble to the upper mounting arrangement and has a complex structure because the middle lifting device occupies the space inside the frame; the double-side lifting scheme with the straight guide arm structure is adopted, the lifting fixing support is low in ground clearance and poor in trafficability.
The prior art therefore remains to be studied further.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an air suspension for load traction vehicle aims at improving car load capacity and vehicle load evenly distributed, has great improvement to vehicle damping performance, tire wearing and tearing.
In order to solve the above problems, the utility model adopts the following technical scheme: the utility model provides an air suspension for tractor, includes frame, axle, symmetry set up in locating two sets of leaf spring support between frame and the axle and bear the gasbag, it takes rubber bush leaf spring assembly to bear to set up the dysmorphism between gasbag and the leaf spring support, rubber bush leaf spring assembly is taken including dysmorphism guiding arm and set up the rubber bush on dysmorphism guiding arm to dysmorphism, set up installation V-arrangement support beam between two sets of leaf spring support, the support is strengthened in the inboard installation of frame, strengthen setting up the backing plate between support and the leaf spring support, strengthen support one side and be connected with the frame expert, the opposite side passes the backing plate and passes through bolted connection with the leaf spring support.
The special-shaped guide arm comprises an upwarping section and a Z-shaped section, wherein one end of the upwarping section is provided with a rolling lug, and the other end of the upwarping section is transited to the Z-shaped section.
The rubber bushing is arranged in the rolling lug and is installed in interference fit with the rolling lug of the special-shaped guide arm.
One end of the upwarping section, which is close to the rolling lug, is provided with a first mounting hole, the vertical part of the Z-shaped section is provided with a second mounting hole, and the tail end of the Z-shaped section is provided with a plurality of third mounting holes.
The leaf spring support is provided with a fixed support, and a lifting air bag is arranged between the fixed support and the guide arm.
One end of the lifting air bag is connected with the fixed support, the other end of the lifting air bag is connected with the special-shaped guide arm through the first mounting hole, and the special-shaped guide arm is connected with the bearing air bag through the third mounting hole.
And a shock absorber is arranged between the plate spring bracket and the axle.
The lifting air bag and the bearing air bag are both connected with an air source.
The utility model has the advantages that:
1. the utility model discloses dysmorphism takes rubber bush leaf spring assembly includes special-shaped guide arm, and special-shaped guide arm is including upwarping section and Z shape section, the one end that upwarps the section and be close to the book ear sets up first mounting hole, directly links to each other with the gasbag that lifts through first mounting hole, makes fixed bolster terrain clearance improve, has improved the suspension trafficability characteristic, sets up the second mounting hole and can install lateral stabilization mechanism additional to alleviate whole car weight, it is more various for traditional ground monolithic spring guide arm function.
2. The utility model discloses a setting of dysmorphism guiding arm and will lift the gasbag and set up between dysmorphism guiding arm and fixed bolster, improved car load capacity, realized vehicle load evenly distributed, have great improvement to vehicle shock attenuation performance, tire wear.
3. The utility model discloses through bolt or welding mode installation V-arrangement support roof beam before leaf spring support on the terminal surface, improved about leaf spring support rigidity of heeling and stability.
4. The utility model discloses strengthen the support in the inboard installation of frame, this support one side passes through bolted connection with the frame, and the opposite side passes the backing plate and passes through bolted connection with the leaf spring support, improves the installation rigidity of leaf spring support and frame.
Drawings
Fig. 1 is a schematic structural diagram 1 of the present invention;
fig. 2 is a schematic structural diagram 2 of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic structural view of a profiled guide arm;
FIG. 5 is a schematic view of a conventional guide arm structure
Fig. 6 is a partial structural view of a conventional vehicle frame.
In the figure:
1-special-shaped plate spring assembly with rubber bushing, 111-upwarp section, 112-Z-shaped section, 113-rolling lug, 114-first mounting hole, 115-second mounting hole, 116-third mounting hole, 102-rubber bushing, 4-plate spring bracket assembly, 5-fixing bracket, 6-lifting air bag, 7-U-shaped bolt, 8-connecting plate, 9-bearing air bag, 10-air bag upper bracket, 11-shock absorber, 12-axle, 13-frame, 21-rubber bushing and 25-fourth mounting hole
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. 1-6, an air suspension for a load-carrying tractor comprises a frame 13, an axle 12, two sets of leaf spring brackets 4 and a load-bearing air bag 9 which are symmetrically arranged between the frame 13 and the axle 12, a special-shaped plate spring assembly 1 with a rubber bush is arranged between the bearing air bag 9 and the plate spring bracket 4, specifically, the middle part of the special-shaped plate spring assembly 1 with the rubber bush is arranged at the lower part of an axle 12 and connected by a U-shaped bolt 7, the tail part of the special-shaped plate spring assembly 1 with the rubber bush is connected with the bearing air bag 9 through a connecting plate 8, an air bag upper bracket 10 is arranged on the bearing air bag 9, the air bag upper bracket 10 is connected with a vehicle frame 13 through a bolt 3, set up fixed bolster 5 on the leaf spring support 4, set up between fixed bolster 5 and the dysmorphism guide arm and lift gasbag 6, for traditional inboard installation at frame 13 lift gasbag, the structure is more reasonable.
And a V-shaped support beam 22 is arranged between the two groups of plate spring supports 4, so that the left and right roll stiffness and stability of the plate spring supports 4 are improved.
The inner side of the frame 13 is provided with a reinforcing bracket 23, a backing plate 24 is arranged between the reinforcing bracket 23 and the plate spring bracket 4, one side of the reinforcing bracket 23 is connected with the frame 13, and the other side of the reinforcing bracket passes through the backing plate 24 to be connected with the plate spring bracket 4 through a bolt.
Specifically, traditionally, as shown in fig. 6, beat the fourth mounting hole 25 below frame 13, connect fixed bolster 5, the utility model provides a set up and strengthen support 23, strengthen support 23 one side and be connected with frame 13, the opposite side passes backing plate 24 and passes through bolted connection with leaf spring support 4, avoids leading to frame 13 to ftracture because of the wing face connection of punching under frame 13.
The special-shaped leaf spring assembly with the rubber bushing 1 comprises a special-shaped guide arm 101 and a rubber bushing 102 arranged on the special-shaped guide arm, and the geometric dimensions of the special-shaped leaf spring assembly are as shown in fig. 4, wherein A is 130-180mm, H is 48-60mm, F is 700-770mm, G is 100-170mm, and D is 55-70 mm.
The special-shaped guide arm comprises an upwarping section 111 and a Z-shaped section 112, wherein one end of the upwarping section 111 is provided with a lug 113, and the other end of the upwarping section 111 is transited to the Z-shaped section 112. The rubber bushing 102 is arranged in the rolling lug 113, and the rubber bushing 102 is installed in interference fit with the rolling lug 113 of the special-shaped guide arm 101. One end of the upwarping section 111 close to the rolling lug 113 is provided with a first mounting hole 114, the vertical part of the Z-shaped section 112 is provided with a second mounting hole 115, and the tail end of the Z-shaped section 114 is provided with a plurality of third mounting holes 116. One end of the lifting air bag 6 is connected with the fixed support 5, the other end of the lifting air bag is connected with the special-shaped guide arm 101 through the first mounting hole 114, and the special-shaped guide arm 101 is connected with the connecting plate 8 through the third mounting hole 116 and further connected with the bearing air bag 9. Compared with the traditional guide arm, as shown in fig. 5, the lifting air bag can be directly connected with the lifting air bag 6, and a transverse stabilizing mechanism can be installed on the second installation hole 116, so that the functions are more diversified.
A shock absorber 11 is arranged between the plate spring bracket 4 and the axle 12 for bounce limiting and vibration attenuation.
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 (7)
1. The utility model provides an air suspension for load tractor, includes frame, axle, symmetry and sets up in locating two sets of leaf spring support between frame and the axle and bear the gasbag, its characterized in that, it takes rubber bush leaf spring assembly to bear to set up the dysmorphism between gasbag and the leaf spring support, rubber bush leaf spring assembly is taken including dysmorphism guiding arm and set up the rubber bush on dysmorphism guiding arm to dysmorphism, set up the fixed bolster on the leaf spring support, set up the gasbag that lifts between fixed bolster and the dysmorphism guiding arm, set up installation V-arrangement support roof beam between two sets of leaf spring supports, the support is strengthened in the inboard installation of frame, it sets up the backing plate to strengthen between support and the leaf spring support, strengthen support one side and be connected with the frame expert, the opposite side passes the backing plate and passes.
2. The air suspension for a load-carrying tractor according to claim 1, wherein the shaped guide arm includes an upturned section and a Z-shaped section, the upturned end having a lug and the other end transitioning into the Z-shaped section.
3. The air suspension for a load-carrying traction vehicle as claimed in claim 2, wherein the rubber bushing is disposed in the eye, and the rubber bushing is fitted with the eye of the shaped guide arm in an interference fit.
4. The air suspension for a load-carrying tractor according to claim 3, wherein a first mounting hole is formed at one end of the upturned section near the eye, a second mounting hole is formed at the vertical part of the Z-shaped section, and a plurality of third mounting holes are formed at the tail end of the Z-shaped section.
5. The air suspension for a load-carrying traction vehicle as claimed in claim 4, wherein said lift airbag is connected to the fixing bracket at one end and to a shaped guide arm at the other end through a first mounting hole, and said shaped guide arm is connected to the load-carrying airbag through a third mounting hole.
6. An air suspension for a load-carrying tractor as claimed in claim 1 wherein a shock absorber is mounted between said leaf spring bracket and the axle.
7. An air suspension for a load-carrying tractor as claimed in claim 1 wherein said lift and load bladders are connected to an air supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921411803.0U CN210363249U (en) | 2019-08-28 | 2019-08-28 | Air suspension for load tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921411803.0U CN210363249U (en) | 2019-08-28 | 2019-08-28 | Air suspension for load tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210363249U true CN210363249U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921411803.0U Active CN210363249U (en) | 2019-08-28 | 2019-08-28 | Air suspension for load tractor |
Country Status (1)
| Country | Link |
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| CN (1) | CN210363249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297737A (en) * | 2020-10-10 | 2021-02-02 | 东风汽车底盘系统有限公司 | Commercial car lift bridge suspension structure |
-
2019
- 2019-08-28 CN CN201921411803.0U patent/CN210363249U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297737A (en) * | 2020-10-10 | 2021-02-02 | 东风汽车底盘系统有限公司 | Commercial car lift bridge suspension structure |
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