CN220904603U - Semitrailer suspension assembly with high inclination stability - Google Patents
Semitrailer suspension assembly with high inclination stability Download PDFInfo
- Publication number
- CN220904603U CN220904603U CN202322864616.0U CN202322864616U CN220904603U CN 220904603 U CN220904603 U CN 220904603U CN 202322864616 U CN202322864616 U CN 202322864616U CN 220904603 U CN220904603 U CN 220904603U
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- assembly
- suspension assembly
- cylinder
- damping
- fixedly connected
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- 239000000725 suspension Substances 0.000 title claims abstract description 44
- 230000035939 shock Effects 0.000 claims abstract description 21
- 230000000694 effects Effects 0.000 claims abstract description 14
- 230000000712 assembly Effects 0.000 claims abstract description 5
- 238000000429 assembly Methods 0.000 claims abstract description 5
- 238000013016 damping Methods 0.000 claims description 44
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 239000010720 hydraulic oil Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 14
- 230000001681 protective effect Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model relates to the technical field of suspension assemblies, and discloses a semitrailer suspension assembly with high inclination stability, which comprises a suspension assembly, wherein connecting assemblies are connected to two ends of the suspension assembly, a shock absorption assembly is installed at the top of the connecting assemblies, a cross beam is fixedly connected to the top of the shock absorption assembly, the shock absorption assembly comprises a shock absorption cylinder, a hydraulic rod is movably sleeved at the top of the inner side of the shock absorption cylinder, a top plate is fixedly connected to the top of the hydraulic rod, a fixed ring is fixedly sleeved at the outer side of the shock absorption cylinder, a buffer spring is movably sleeved at the outer side of the shock absorption cylinder, the cross beam extrudes the shock absorption assembly, and meanwhile, the buffer spring is compressed, so that the buffer effect can be achieved, and when the shock absorption assembly works, the energy impacted by the cross beam is absorbed and transferred to the atmosphere in a heat form, thereby realizing the primary buffer shock absorption effect, reducing the swing of the suspension assembly when being impacted, and prolonging the service life of the suspension assembly.
Description
Technical Field
The utility model relates to the technical field of suspension assemblies, in particular to a semitrailer suspension assembly with high inclination stability.
Background
At present, a leaf spring balance suspension is adopted in a semitrailer suspension, and along with the development of scientific technology, a semitrailer suspension assembly with high inclination stability is developed and produced, but the suspension is influenced by alternating load generated in the working condition of starting and braking of a vehicle and due to the influence of road surface unevenness in actual running, a suspension bracket of the semitrailer can be subjected to the effect of the alternating load, and cracks can be initiated and expanded under the repeated effect of the alternating load, and sudden fracture is caused, so that potential safety hazards exist.
And secondly, the joint between the leaf spring and the cross beam can generate repeated friction in the running process of the semitrailer, and serious heating can occur after long-time friction, so that the joint is easy to wear and deform, and the service life of parts is influenced.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model provides a semitrailer suspension assembly with high inclination stability, which solves the problems in the prior art.
The utility model provides the following technical scheme: the semitrailer suspension assembly with high inclination stability comprises a suspension assembly, wherein both ends of the suspension assembly are connected with a connecting assembly, the top of the connecting assembly is provided with a damping assembly, and the top of the damping assembly is fixedly connected with a cross beam;
The shock assembly comprises a shock absorption cylinder, a hydraulic rod is movably sleeved at the top of the inner side of the shock absorption cylinder, a top plate is fixedly connected to the top of the hydraulic rod, a fixing ring is fixedly sleeved at the outer side of the shock absorption cylinder, a buffer spring is movably sleeved at the outer side of the shock absorption cylinder, and the buffer spring is located between the top plate and the top plate.
Further, the shock attenuation jar includes inboard cylinder body and outside cylinder body, the bottom fixedly connected with piston of hydraulic stem, form the working chamber between the inboard of outside cylinder body and the piston, the cylinder through-hole has been seted up to the inboard bottom of outside cylinder body, form the reserve chamber between inboard cylinder body and the outside cylinder body, be linked together between cylinder through-hole, working chamber and the reserve chamber.
Further, the suspension assembly comprises a leaf spring, a fixed frame is arranged on the outer side of the leaf spring, and a fixed rod is fixedly connected to the inner side of the fixed frame.
Further, the coupling assembling includes the fixed block, the inboard activity of fixed block has cup jointed the cylinder pole, the outside of cylinder pole has fixedly cup jointed the copper axle sleeve, the top fixedly connected with backup pad of fixed block, the top of backup pad and the bottom fixed connection of shock attenuation jar.
Further, the outside activity of buffer spring has cup jointed the lag, the lag is rubber material.
Furthermore, the two sides of the leaf spring are fixedly connected with connecting rings, and the connecting rings are mutually matched with the copper shaft sleeve.
Further, hydraulic oil is arranged on the inner side of the working cavity, and liquid nitrogen is arranged on the inner side of the storage cavity.
The utility model has the technical effects and advantages that:
1. according to the utility model, the damping component is arranged, the cross beam extrudes the damping component, so that the hydraulic rod retracts towards the inner side of the damping cylinder, meanwhile, the damping spring is compressed, the damping effect can be achieved, the hydraulic rod and the damping cylinder can damp the back and forth vibration of the damping spring, the spring is not sprung too fast, the piston extrudes hydraulic oil in the working cavity, the hydraulic oil enters the inner side of the storage cavity through the cylindrical through hole and compresses the liquid nitrogen, the resistance is larger and larger along with the hydraulic rod, the compressed liquid nitrogen is released in the rebound stage, the hydraulic rod moves towards the top, the hydraulic oil in the storage cavity flows back to the working cavity, the damping component absorbs the energy of the impact of the cross beam when working and transmits the energy to the atmosphere in a heat form, so that the primary damping effect is achieved, the swing of the suspension component when being impacted is reduced, and the service life of the suspension component can be prolonged.
2. According to the utility model, the connecting component is arranged, so that the copper shaft sleeve is made of good wear resistance and heat dissipation, and is not easy to deform when the copper shaft sleeve collides with the connecting ring, and the service life is long.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic view of a suspension assembly according to the present utility model.
Fig. 3 is a schematic structural view of a connection assembly according to the present utility model.
FIG. 4 is a schematic view of a shock absorbing assembly according to the present utility model.
Fig. 5 is a schematic view of the structure of the shock absorbing cylinder of the present utility model.
The reference numerals are: 1. a suspension assembly; 101. a leaf spring; 102. a fixed frame; 103. a fixed rod; 104. a connecting ring; 2. a shock absorbing assembly; 201. a damping cylinder; 211. an inner cylinder; 212. an outer cylinder; 213. a cylindrical through hole; 214. a working chamber; 215. a reserve chamber; 202. a hydraulic rod; 221. a piston; 203. a top plate; 204. a fixing ring; 205. a buffer spring; 206. a protective sleeve; 3. a cross beam; 4. a connection assembly; 401. a fixed block; 402. a cylindrical rod; 403. copper shaft sleeve; 404. and a support plate.
Detailed Description
The following description will be made in detail, with reference to the drawings, wherein the embodiments of the present utility model are described in detail, and the configurations of the structures described in the following embodiments are merely illustrative, and the present utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person skilled in the art without any inventive effort are within the scope of the present utility model.
Referring to fig. 1-5, the utility model provides a semitrailer suspension assembly with high inclination stability, which comprises a suspension assembly 1, wherein both ends of the suspension assembly 1 are connected with a connecting assembly 4, the top of the connecting assembly 4 is provided with a damping assembly 2, and the top of the damping assembly 2 is fixedly connected with a cross beam 3;
The damping component 2 comprises a damping cylinder 201, a hydraulic rod 202 is movably sleeved at the top of the inner side of the damping cylinder 201, a top plate 203 is fixedly connected to the top of the hydraulic rod 202, a fixing ring 204 is fixedly sleeved at the outer side of the damping cylinder 201, a buffer spring 205 is movably sleeved at the outer side of the damping cylinder 201 and located between the top plate 203 and the top plate 203, the buffer spring 205 is located between the inner side cylinder 211 and the outer side cylinder 212, a piston 221 is fixedly connected to the bottom of the hydraulic rod 202, a working cavity 214 is formed between the inner side of the outer side cylinder 212 and the piston 221, a cylindrical through hole 213 is formed in the bottom of the inner side of the outer side cylinder 212, a storage cavity 215 is formed between the inner side cylinder 211 and the outer side cylinder 212, a cylindrical through hole 213 is formed, communication is formed between the working cavity 214 and the storage cavity 215, hydraulic oil is arranged at the inner side of the working cavity 214, and liquid nitrogen is arranged at the inner side of the storage cavity 215.
In the embodiment of the application, a lot of hollow jolts are inevitably encountered in the moving process of the semitrailer, when jolts, the cross beam 3 can squeeze the damping component 2, so that the hydraulic rod 202 is retracted towards the inner side of the damping cylinder 201, meanwhile, the damping spring 205 is compressed, the damping effect can be achieved, the hydraulic rod 202 and the damping cylinder 201 can damp the back and forth vibration of the damping spring 205, the spring is not too fast, the piston 221 extrudes hydraulic oil in the working cavity 214, the hydraulic oil enters the inner side of the reserve cavity 215 through the cylindrical through hole 213 and compresses liquid nitrogen, the resistance is gradually increased along with the reduction of the hydraulic rod 202, the compressed liquid nitrogen is released, the hydraulic oil in the reserve cavity 215 flows back to the working cavity 214, the energy impacted by the cross beam 3 is absorbed when the damping component 2 works, and is transferred into the atmosphere in a heat form, the damping effect is achieved, the swing of the suspension component 1 is reduced when the suspension component 1 is impacted, and the service life of the primary suspension component 1 can be prolonged.
In a preferred embodiment, the suspension assembly 1 comprises a leaf spring 101, a fixing frame 102 is mounted on the outer side of the leaf spring 101, a fixing rod 103 is fixedly connected to the inner side of the fixing frame 102, and the fixing frame 102 and the fixing rod 103 can fix the leaf spring 101.
In a preferred embodiment, the connecting assembly 4 comprises a fixed block 401, the inner side of the fixed block 401 is movably sleeved with a cylindrical rod 402, the outer side of the cylindrical rod 402 is fixedly sleeved with a copper shaft sleeve 403, the top of the fixed block 401 is fixedly connected with a supporting plate 404, the top of the supporting plate 404 is fixedly connected with the bottom of the damping cylinder 201, two sides of the leaf spring 101 are fixedly connected with connecting rings 104, the connecting rings 104 are mutually matched with the copper shaft sleeve 403, and the copper shaft sleeve 403 is made of good wear resistance and heat dissipation, so that the copper shaft sleeve 403 is not easy to deform when in collision friction with the connecting rings 104, and the service life is long.
In a preferred embodiment, the outer side of the buffer spring 205 is movably sleeved with a protective sleeve 206, the protective sleeve 206 is made of rubber, and the protective sleeve 206 can protect the buffer spring 205 and the hydraulic rod 202 and prolong the service lives of the buffer spring 205 and the hydraulic rod 202.
The working principle of the utility model is as follows: the semitrailer is inevitably subjected to a plurality of pits and jolts in the moving process, when jolts, the cross beam 3 extrudes the damping component 2, so that the hydraulic rod 202 is retracted towards the inner side of the damping cylinder 201, meanwhile, the damping spring 205 is compressed, the damping effect can be achieved, the hydraulic rod 202 and the damping cylinder 201 can damp the back and forth vibration of the damping spring 205, the spring is not too fast, the piston 221 extrudes hydraulic oil in the working cavity 214, the hydraulic oil enters the inner side of the reserve cavity 215 through the cylindrical through hole 213 and compresses the liquid nitrogen, the resistance is gradually increased along with the reduction of the hydraulic rod 202, the compressed liquid nitrogen is released, the hydraulic rod 202 moves towards the top, the hydraulic oil in the reserve cavity 215 flows back to the working cavity 214, the damping component 2 absorbs the impact energy of the cross beam 3 when in operation and transfers the energy to the atmosphere in the form of heat, the primary damping effect is achieved, the swing of the suspension component 1 is reduced when the suspension component 1 is impacted, and the service life of the suspension component 1 can be prolonged;
the copper shaft sleeve 403 has good wear resistance and heat dissipation, so that the copper shaft sleeve is not easy to deform when in collision friction with the connecting ring 104, and has long service life.
Finally: the foregoing description of the preferred embodiments of the application is not intended to limit the application to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the application are intended to be included within the scope of the application.
Claims (7)
1. Semi-trailer suspension assembly that inclination stability is high, including suspension assembly (1), its characterized in that: the two ends of the suspension assembly (1) are connected with connecting assemblies (4), the top of each connecting assembly (4) is provided with a damping assembly (2), and the top of each damping assembly (2) is fixedly connected with a cross beam (3);
The damping assembly (2) comprises a damping cylinder (201), a hydraulic rod (202) is movably sleeved at the top of the inner side of the damping cylinder (201), a top plate (203) is fixedly connected to the top of the hydraulic rod (202), a fixing ring (204) is fixedly sleeved at the outer side of the damping cylinder (201), a buffer spring (205) is movably sleeved at the outer side of the damping cylinder (201), and the buffer spring (205) is located between the top plate (203) and the top plate (203).
2. The high-tilt-stability semitrailer suspension assembly of claim 1 wherein: the shock attenuation jar (201) is including inboard cylinder body (211) and outside cylinder body (212), the bottom fixedly connected with piston (221) of hydraulic stem (202), form working chamber (214) between the inboard of outside cylinder body (212) and piston (221), cylinder through-hole (213) have been seted up to the inboard bottom of outside cylinder body (212), form reserve chamber (215) between inboard cylinder body (211) and outside cylinder body (212), be linked together between cylinder through-hole (213), working chamber (214) and reserve chamber (215).
3. The high-tilt-stability semitrailer suspension assembly of claim 1 wherein: the suspension assembly (1) comprises a leaf spring (101), a fixing frame (102) is arranged on the outer side of the leaf spring (101), and a fixing rod (103) is fixedly connected to the inner side of the fixing frame (102).
4. The high-tilt-stability semitrailer suspension assembly of claim 1 wherein: the connecting assembly (4) comprises a fixed block (401), a cylindrical rod (402) is movably sleeved on the inner side of the fixed block (401), a copper shaft sleeve (403) is fixedly sleeved on the outer side of the cylindrical rod (402), a supporting plate (404) is fixedly connected to the top of the fixed block (401), and the top of the supporting plate (404) is fixedly connected with the bottom of the damping cylinder (201).
5. The high-tilt-stability semitrailer suspension assembly of claim 1 wherein: the outside of buffer spring (205) activity has cup jointed lag (206), lag (206) are rubber material.
6. A semitrailer suspension assembly of high tilt stability as claimed in claim 3 wherein: connecting rings (104) are fixedly connected to two sides of the leaf spring (101), and the connecting rings (104) are mutually matched with the copper shaft sleeve (403).
7. The high-tilt-stability semitrailer suspension assembly of claim 2 wherein: the inner side of the working cavity (214) is provided with hydraulic oil, and the inner side of the reserve cavity (215) is provided with liquid nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322864616.0U CN220904603U (en) | 2023-10-25 | 2023-10-25 | Semitrailer suspension assembly with high inclination stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322864616.0U CN220904603U (en) | 2023-10-25 | 2023-10-25 | Semitrailer suspension assembly with high inclination stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220904603U true CN220904603U (en) | 2024-05-07 |
Family
ID=90917024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322864616.0U Active CN220904603U (en) | 2023-10-25 | 2023-10-25 | Semitrailer suspension assembly with high inclination stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220904603U (en) |
-
2023
- 2023-10-25 CN CN202322864616.0U patent/CN220904603U/en active Active
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| GR01 | Patent grant |