CN214728017U - Spiral spring balance suspension of double-rear-axle cross-country vehicle - Google Patents
Spiral spring balance suspension of double-rear-axle cross-country vehicle Download PDFInfo
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- CN214728017U CN214728017U CN202120073933.9U CN202120073933U CN214728017U CN 214728017 U CN214728017 U CN 214728017U CN 202120073933 U CN202120073933 U CN 202120073933U CN 214728017 U CN214728017 U CN 214728017U
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Abstract
The utility model discloses a two rear axle cross-country vehicle's balanced suspension of coil spring relates to automotive suspension technical field. The spiral spring balanced suspension of the double-rear-axle off-road vehicle comprises a frame, a central axle seat, a rear axle, a cross beam and spiral springs, wherein two rear axles arranged side by side are arranged on the lower side of the frame, the central axle seat is rotatably connected with the frame, the middle part of the cross beam is fixedly connected with the central axle seat, and the spiral springs are arranged between the end parts of the cross beam and the rear axles. The angle of the two rear axles under actual road conditions can be adjusted through the rotation of the central axle seat on the frame, so that the two rear axles can be in contact with the ground to bear force, the defect that the two rear axles of the air bag suspension are mutually independent and cannot bear force simultaneously is overcome, and the compression and the stretching of the spiral spring are larger than those of the steel plate spring, so that the rear axles have larger stroke, the automobile suspension has better elastic rigidity and the stability of tilting left and right, and the requirement on the cross-country performance of a vehicle with lighter load can be met.
Description
Technical Field
The utility model relates to an automotive suspension technical field, concretely relates to two rear axle cross-country vehicle's balanced suspension of coil spring.
Background
The suspension is used for transmitting force and torque acting between the wheel and the vehicle frame, buffering impact force transmitted to the vehicle frame or the vehicle body from an uneven road surface and reducing vibration caused by the impact force so as to ensure that the vehicle can be drivenSmooth and well-balancedAnd (4) running on the ground. Is an important factor of the passing performance of the automobile.
At present, some automobiles are provided with double rear axles for ensuring excellent passing performance, the existing double rear axle suspension system adopts a steel plate spring or an air bag suspension, although the requirement of heavy load bearing can be met, the central shaft of the steel plate spring suspension is transmitted to the steel plate spring, then the steel plate spring is directly transmitted to an axle and a tire, the deformation stroke of the steel plate spring is small, and the requirement of off-road performance under non-heavy load can not be met. The suspensions of the two axles of the air bag suspension are separated, each axle is provided with a longitudinal arm, the weight is transmitted to the axle and the wheels through the air bag, the two axles cannot be stressed simultaneously, and the requirement on the off-road performance under non-heavy load cannot be met.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a two rear axle cross-country vehicle's balanced suspension of coil spring to solve among the prior art problem that two rear axle suspensions can't satisfy the off-road performance requirement under the non-heavy load.
In order to achieve the above object, the present invention provides the following technical solutions:
this two rear axle cross-country vehicle's balanced suspension of coil spring includes frame, center axle bed, back axle, crossbeam and coil spring, and the downside of frame is equipped with two back axles that set up side by side, and the center axle bed sets up between two back axles, and center axle bed rotates with the frame to be connected, the middle part and the center axle bed fixed connection of crossbeam, and coil spring sets up between crossbeam tip and back axle.
Furthermore, two ends of the cross beam are higher than the middle part of the cross beam.
Furthermore, the two ends of the cross beam are horizontal parts, the spiral spring is fixed on the lower side of the horizontal part, the middle part of the cross beam is a connecting seat, the connecting seat is fixedly connected with the central shaft seat, the connecting seat is connected with the horizontal part through an inclined part, and the inclined part is gradually inclined upwards from the connecting seat to the horizontal part.
Furthermore, an angle push rod is arranged between the central axle seat and the rear axle, and two ends of the angle push rod are respectively and rotatably connected with the central axle seat and the rear axle.
Furthermore, one end of the angle push rod is rotatably connected with the central shaft seat, the other end of the angle push rod is rotatably connected with the lower side of the rear axle, and the angle push rod is gradually inclined downwards from the central shaft seat to the rear axle.
Furthermore, a central shaft is arranged on the lower side of the frame, and a central shaft seat is rotatably arranged on the central shaft.
Furthermore, a V-shaped longitudinal push rod is arranged between the rear axle and the frame, the middle part of the V-shaped longitudinal push rod is connected with the rear axle, and two ends of the V-shaped longitudinal push rod are respectively connected with the frames at two sides.
Furthermore, V-shaped longitudinal push rod openings on the two rear axles are oppositely arranged.
The utility model has the advantages of as follows:
the utility model discloses a degree can be through the rotatory adjustment of center pin seat on the frame under actual road conditions for two rear axles, road surface at climbing or injustice, can guarantee two rear axles all with the ground contact atress, the shortcoming that two rear axles of air bag suspension are independent each other can not atress simultaneously has been solved, and coil spring's compression is bigger than leaf spring with tensile, can make the rear axle have bigger stroke, this automobile suspension has better elastic stiffness and controls the stability of heeling, can satisfy the cross-country performance requirement of the vehicle that the light load required.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a perspective view of a coil spring balanced suspension of a double rear axle all terrain vehicle provided in embodiment 1 of the present invention;
fig. 2 is a front view of a coil spring balanced suspension of a double rear axle all terrain vehicle provided by embodiment 1 of the present invention;
fig. 3 is a top view of a coil spring balanced suspension of a double rear axle all terrain vehicle provided in embodiment 1 of the present invention;
fig. 4 is a left side view of a coil spring balanced suspension of a double rear axle all terrain vehicle provided by embodiment 1 of the present invention;
fig. 5 is a schematic view of a cross beam provided in an embodiment of the present invention;
in the figure: 1-frame 2-rear axle 3-center axle seat 4-cross beam 5-coil spring 6-angle push rod 401-connecting seat 402-horizontal part 403-inclined part.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Referring to fig. 1-4, the spiral spring balanced suspension of the double-rear-axle cross-country vehicle comprises a frame 1, a central shaft seat 3, a rear axle 2, a cross beam 4 and a spiral spring 5, wherein two rear axles 2 arranged side by side are arranged on the lower side of the frame 1, the central shaft seat 3 is arranged between the two rear axles 2, the central shaft seat 3 is rotatably connected with the frame 1, the middle part of the cross beam 4 is fixedly connected with the central shaft seat 3, and the spiral spring 5 is arranged between the end part of the cross beam 4 and the rear axle 2.
The lower side of the frame 1 is provided with a central shaft (not shown in the figure), and a central shaft base 3 is rotatably arranged on the central shaft. In order to adapt to the position of the central axle seat 3 and install the spiral spring 5 at the upper side of the rear axle 2, in the embodiment, two ends of the cross beam 4 are higher than the middle part of the cross beam, so that the middle part of the cross beam 4 can be connected with the central axle seat 3, and the spring is installed between two end parts of the cross beam 4 and the rear axle 2, and the structure is compact and reasonable.
A V-shaped longitudinal push rod 7 is also arranged between the rear axle 2 and the frame 1, the middle part of the V-shaped longitudinal push rod 7 is connected with the rear axle 2, and two ends of the V-shaped longitudinal push rod 7 are respectively connected with the frames 1 at two sides. The V-shaped longitudinal push rods 7 on the two rear axles 2 are oppositely arranged in opening.
An angle push rod 6 is further arranged between the central axle seat 3 and the rear axle 2, and two ends of the angle push rod 6 are respectively connected with the central axle seat 3 and the rear axle 2 in a rotating mode. One end of the angle push rod 6 is rotatably connected with the central shaft seat 3, the other end of the angle push rod is rotatably connected with the lower side of the rear axle 2, and the angle push rod 6 is gradually inclined downwards from the central shaft seat 3 to the rear axle 2. The angle push rod 6 swings at a small angle, so that the left and right axes of the rear axle 2 are always perpendicular to the frame 1.
The embodiment of the utility model provides an adopted the structure that the vertical push rod of V font 7 and angle push rod 6 combined together, the vertical push rod of V font 7 is connected inboard about 2 middle parts of back axle and frame 1, guarantees the relative frame 1 centering in location of back axle 2, and angle push rod 6 guarantees that the direction axis is the vertically all the time with frame 1 about back axle 2.
Referring to fig. 5, the two ends of the cross member 4 are horizontal portions 402, the coil spring 5 is fixed to the lower side of the horizontal portion 402, the middle portion of the cross member 4 is a connection seat 401, the connection seat 401 is fixedly connected to the center shaft seat 3, the connection seat 401 is connected to the horizontal portion 402 through an inclined portion 403, and the inclined portion 403 is gradually inclined upward from the connection seat 401 to the horizontal portion 402. The downward pressure of the frame 1 is transmitted to the cross member 4 through the center shaft and the center shaft seat 3, the horizontal portion 402 of the cross member 4 transmits the downward pressure to the coil spring 5, and finally the coil spring 5 transmits the downward pressure to the axle 2 and the wheels.
The utility model discloses a degree can be through the rotatory adjustment of central axle bed 3 on frame 1 under actual road conditions for two rear axle 2, at climbing or uneven road surface, can guarantee two rear axle 2 all with ground contact atress, the shortcoming that two rear axle 2 mutual independence of air bag suspension can not be atress simultaneously has been solved, and coil spring 5's compression is bigger than leaf spring with tensile, can make rear axle 2 have bigger stroke (± 100mm above), this automobile suspension has better elastic stiffness and controls the stability of heeling, can satisfy the cross-country performance requirement of the vehicle that the load required lighter.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The utility model provides a two rear axle cross-country vehicle's coil spring balanced suspension which characterized in that: two rear axle cross-country vehicle's balanced suspension of coil spring include frame (1), center axle seat (3), rear axle (2), crossbeam (4) and coil spring (5), the downside of frame (1) is equipped with two rear axle (2) that set up side by side, center axle seat (3) set up between two rear axle (2), and center axle seat (3) rotate with frame (1) and be connected, the middle part and center axle seat (3) fixed connection of crossbeam (4), coil spring (5) set up between crossbeam (4) tip and rear axle (2).
2. The coil spring balanced suspension of a double rear axle off-road vehicle of claim 1, characterized in that: the two ends of the beam (4) are higher than the middle part thereof.
3. The coil spring balanced suspension of a double rear axle off-road vehicle of claim 2, characterized in that: the two ends of the cross beam (4) are horizontal portions (402), the spiral spring (5) is fixed on the lower side of the horizontal portions (402), the middle of the cross beam (4) is provided with a connecting seat (401), the connecting seat (401) is fixedly connected with the central shaft seat (3), the connecting seat (401) is connected with the horizontal portions (402) through an inclined portion (403), and the inclined portion (403) is gradually inclined upwards from the connecting seat (401) to the horizontal portions (402).
4. The coil spring balanced suspension of a double rear axle off-road vehicle of claim 1, characterized in that: an angle push rod (6) is further arranged between the central shaft seat (3) and the rear axle (2), and two ends of the angle push rod (6) are respectively connected with the central shaft seat (3) and the rear axle (2) in a rotating mode.
5. The coil spring balanced suspension of a double rear axle off-road vehicle of claim 4, characterized in that: one end of the angle push rod (6) is rotatably connected with the central shaft seat (3), the other end of the angle push rod is rotatably connected with the lower side of the rear axle (2), and the angle push rod (6) is gradually inclined downwards from the central shaft seat (3) to the rear axle (2).
6. The coil spring balanced suspension of a double rear axle off-road vehicle of claim 1, characterized in that: the lower side of the frame (1) is provided with a central shaft, and the central shaft seat (3) is rotatably arranged on the central shaft.
7. The coil spring balanced suspension of a double rear axle off-road vehicle according to claim 1 or 4, characterized in that: a V-shaped longitudinal push rod (7) is further arranged between the rear axle (2) and the vehicle frame (1), the middle part of the V-shaped longitudinal push rod (7) is connected with the rear axle (2), and two ends of the V-shaped longitudinal push rod (7) are respectively connected with the vehicle frames (1) on two sides.
8. The coil spring balanced suspension of a double rear axle off-road vehicle of claim 7, characterized in that: the openings of the V-shaped longitudinal push rods (7) on the two rear axles (2) are oppositely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120073933.9U CN214728017U (en) | 2021-01-12 | 2021-01-12 | Spiral spring balance suspension of double-rear-axle cross-country vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120073933.9U CN214728017U (en) | 2021-01-12 | 2021-01-12 | Spiral spring balance suspension of double-rear-axle cross-country vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214728017U true CN214728017U (en) | 2021-11-16 |
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ID=78638733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120073933.9U Active CN214728017U (en) | 2021-01-12 | 2021-01-12 | Spiral spring balance suspension of double-rear-axle cross-country vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214728017U (en) |
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2021
- 2021-01-12 CN CN202120073933.9U patent/CN214728017U/en active Active
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