CN113002257A - Auxiliary plate spring support, main and auxiliary plate spring suspension assembly and vehicle - Google Patents
Auxiliary plate spring support, main and auxiliary plate spring suspension assembly and vehicle Download PDFInfo
- Publication number
- CN113002257A CN113002257A CN201911328424.XA CN201911328424A CN113002257A CN 113002257 A CN113002257 A CN 113002257A CN 201911328424 A CN201911328424 A CN 201911328424A CN 113002257 A CN113002257 A CN 113002257A
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- Prior art keywords
- leaf spring
- roller
- bracket
- mounting
- mounting plate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
- B60G11/10—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only characterised by means specially adapted for attaching the spring to axle or sprung part of the vehicle
- B60G11/107—Sliding or rolling mountings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/11—Leaf spring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present disclosure relates to a secondary leaf spring bracket, a primary and secondary leaf spring suspension assembly and a vehicle, the secondary leaf spring bracket comprising a fixed bracket (1) for mounting to a vehicle frame and a roller assembly (2), the roller assembly (2) comprising a roller bracket (21) and a flexible roller (22) for contacting a secondary leaf spring (3), the flexible roller (22) being rotatably connected to the roller bracket (21), the roller bracket (21) being detachably connected to the fixed bracket (1). Through adopting flexible roller, not only can reduce the contact noise, can also reduce frictional resistance to can prolong the life of vice leaf spring, and make things convenient for dismouting and later stage maintenance.
Description
Technical Field
The disclosure relates to the field of leaf spring suspensions, in particular to an auxiliary leaf spring bracket, a main leaf spring suspension assembly and an auxiliary leaf spring suspension assembly and a vehicle.
Background
A vehicle suspension system is an important system in a vehicle that elastically couples a vehicle frame and a wheel to cushion an impact transmitted from a rough road surface to the vehicle frame. At present, large vehicles such as trucks mostly adopt the design structure of main and auxiliary leaf spring suspensions. In traditional main and auxiliary leaf spring structure, the auxiliary leaf spring support is fixed on the frame and adopts punching press or casting integrated into one piece more, contact between auxiliary leaf spring and the auxiliary leaf spring support when heavily bearing, because there is the rigidity impact can lead to the contact noise very big, and be sliding friction between auxiliary leaf spring and the auxiliary leaf spring support, this will lead to frictional resistance also very big again, and in order to prevent the excessive wearing and tearing of auxiliary leaf spring, the general intensity of auxiliary leaf spring support and hardness design are lower, therefore the easy wearing and tearing corrosion that produces of auxiliary leaf spring support after long-term use.
Disclosure of Invention
An object of the present disclosure is to provide a sub leaf spring holder capable of reducing contact noise with a sub leaf spring and frictional resistance generated by the contact, and facilitating maintenance.
In order to achieve the above object, the present disclosure provides a sub leaf spring bracket including a fixing bracket for mounting to a vehicle frame, and a roller assembly including a roller bracket and a flexible roller for contacting a sub leaf spring, the flexible roller being rotatably connected to the roller bracket, the roller bracket being detachably connected to the fixing bracket.
Optionally, the roller bracket is rotatably connected to the fixed bracket.
Optionally, the roller bracket includes two first mounting plates, a second mounting plate and a shaft sleeve which are arranged at intervals, the second mounting plate is close to the fixed bracket, the flexible roller is rotationally connected to the first mounting plate and the second mounting plate, wherein the shaft sleeve is connected between the first mounting plate and the second mounting plate and protrudes out of the first mounting plate, the fixed bracket includes a fixed plate for fixing to the frame and a connecting shaft arranged on the fixed plate, and the shaft sleeve is arranged on the outer surface of the connecting shaft, so that the roller bracket can be rotationally connected to the fixed bracket around the connecting shaft.
Optionally, the flexible roller includes two, be provided with two first mounting holes on the first mounting panel respectively, be provided with two second mounting holes with two first mounting hole one-to-ones on the second mounting panel respectively, the flexible roller has the fixed orifices and passes respectively through the round pin axle first mounting hole the fixed orifices with the second mounting hole, in order to install on the roller support, wherein, first mounting hole the second mounting hole and line structure between the axle sleeve is triangle-shaped.
Optionally, a lubricating oil duct is arranged on the pin shaft, the lubricating oil duct comprises an axial oil duct extending along the axial direction of the pin shaft and a plurality of radial oil ducts extending along the radial direction of the pin shaft, the radial oil ducts are communicated with the circumferential oil ducts and are arranged uniformly at circumferential intervals, and the axial oil duct penetrates through the pin shaft and one end of the pin shaft is connected with an oil nozzle.
Optionally, the shaft sleeve and the connecting shaft are in clearance fit.
Optionally, the flexible roller is configured as a nylon roller.
Optionally, the roller bracket is configured as an aluminum alloy bracket.
According to another aspect of the present disclosure, a primary and secondary leaf spring suspension assembly is provided, which includes a primary leaf spring, two primary leaf spring brackets and a secondary leaf spring connected to two ends of the primary leaf spring, and further includes the secondary leaf spring bracket disclosed above.
According to still another aspect of the present disclosure, there is also provided a vehicle including the primary and secondary leaf spring suspension assemblies disclosed above.
The effective effect of the technology is as follows: by adopting the flexible roller to contact the surface of the auxiliary plate spring, on one hand, the flexible roller is made of flexible materials, so that the flexible roller has better flexibility, can reduce rigid impact when contacting with the auxiliary plate spring, and further can reduce contact noise; on the other hand, sliding friction in the prior art is replaced by rolling friction, so that the friction resistance between the auxiliary leaf spring support and the surface of the auxiliary leaf spring is greatly reduced, the abrasion of the auxiliary leaf spring support is reduced, the service life of the auxiliary leaf spring support is prolonged, and the rolling friction can further reduce contact noise. In addition, the auxiliary leaf spring support is a split type support, and can be conveniently disassembled and repaired in later period.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
FIG. 1 is a schematic structural diagram of a primary and secondary leaf spring suspension assembly provided by an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of a secondary leaf spring support provided by an embodiment of the present disclosure;
FIG. 3 is an exploded view of a secondary leaf spring support provided by embodiments of the present disclosure;
FIG. 4 is a schematic structural diagram of a lubricating oil passage of a pin shaft provided by the embodiment of the disclosure;
FIG. 5 is a diagram illustrating the operation of the main leaf spring in the primary and secondary leaf spring suspension assemblies provided by the disclosed embodiments;
fig. 6 is a diagram of a state in which a main leaf spring and an auxiliary leaf spring of a main leaf spring suspension assembly and an auxiliary leaf spring suspension assembly work simultaneously according to an embodiment of the present disclosure.
Description of the reference numerals
1 fixed bracket 11 and fixed plate 12 connecting shaft
2 roller assembly 21 roller bracket 211 first mounting plate
2111 first mounting hole 212 second mounting hole of second mounting plate 2121
213 axle sleeve 3 auxiliary plate spring 4 pin
41 lubricating oil passage 411 axial oil passage 412 radial oil passage
22 main leaf spring bracket of main leaf spring 6 of flexible roller 5
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
As shown in fig. 2 to 4, the present disclosure provides a sub leaf spring bracket including a fixing bracket 1 for mounting to a vehicle frame and a roller assembly 2, the roller assembly 2 including a roller bracket 21 and a flexible roller 22 for contacting with the sub leaf spring 3, the flexible roller 22 being rotatably connected to the roller bracket 21.
Thus, when the vehicle bears heavy load and the auxiliary leaf spring 3 and the main leaf spring 5 work simultaneously, the flexible roller 22 of the auxiliary leaf spring bracket contacts the surface of the auxiliary leaf spring 3, on one hand, the flexible roller 22 is made of flexible materials, so that the flexible roller has good flexibility, can reduce rigid impact when contacting with the auxiliary leaf spring 3, and further can reduce contact noise; on the other hand, sliding friction in the prior art is replaced by rolling friction, so that the friction resistance between the auxiliary leaf spring support and the surface of the auxiliary leaf spring 3 is greatly reduced, the abrasion of the auxiliary leaf spring support is reduced, the service life of the auxiliary leaf spring support is prolonged, and the rolling friction can further reduce contact noise.
Alternatively, the flexible roller 22 is constructed as a nylon roller, which has a smooth surface, a small friction coefficient, and good wear resistance, has good shock absorption capability, can reduce contact friction resistance and contact noise, and can extend the service life of the roller. Of course, in other embodiments, the flexible roller 22 may also be made of PP material or a composite material of PP material and glass fiber material, as long as the contact impact can be buffered, and the disclosure is not limited thereto.
Considering the light weight design of the auxiliary leaf spring support, optionally, the roller support 21 is constructed as an aluminum alloy support, the aluminum alloy material is a light metal material, and the roller support has the characteristics of low density, high strength and corrosion resistance, and the flexible rollers 22 are made of nylon materials, and the roller support 21 is made of aluminum alloy materials, so that the light weight design of the auxiliary leaf spring support can be realized.
In addition, in order to facilitate disassembly and later maintenance, in the embodiment of the present disclosure, the roller bracket 21 is detachably connected to the fixing bracket 1. That is, the sub leaf spring bracket provided by the embodiment of the present disclosure is a split bracket, so that when the roller assembly 2 needs to be repaired or replaced, only the roller bracket 21 needs to be disassembled, the fixing bracket 1 does not need to be separated from the frame, and accordingly, the maintenance cost can be reduced.
Further, in the embodiment of the present disclosure, as shown in fig. 3, the roller bracket 21 is rotatably connected to the fixing bracket 1. Specifically, in the operation process of the vehicle, because the reason of load and vibrations can lead to vice leaf spring 3 and vice leaf spring support nonparallel and take place the biasing contact, consequently, utilize roller bracket 21 to drive flexible roller 22 and rotate around fixed bolster 1, can effectively increase the area of contact of flexible roller 22 and vice leaf spring 3, make vice leaf spring 3 atress more even, reduced the emergence of eccentric wear phenomenon, reduced the wearing and tearing between vice leaf spring 3 and the vice leaf spring support, the life of vice leaf spring support has been prolonged.
Alternatively, as shown in fig. 3, the roller bracket 21 includes two first mounting plates 211, a second mounting plate 212 and a bushing 213, the second mounting plate 212 is disposed close to the fixed bracket 1, the flexible roller 22 is rotatably connected between the first mounting plate 211 and the second mounting plate 212, wherein the bushing 213 is connected between the first mounting plate 211 and the second mounting plate 212 and protrudes from the first mounting plate 211, the fixed bracket 1 includes a fixed plate 11 for fixing to the vehicle frame and a connecting shaft 12 disposed on the fixed plate 11, and the bushing 213 is sleeved on an outer surface of the connecting shaft 12 so that the roller bracket 21 can be rotatably connected to the fixed bracket 1 around the connecting shaft 12. That is, the roller assembly 2 is rotatably connected to the fixed bracket 1 by the engagement of the connecting shaft 12 and the bushing 213.
In order to ensure the stability and balance of the rolling contact, optionally, as shown in fig. 2 and 3, the flexible roller 22 includes two, the first mounting plate 211 is provided with two first mounting holes 2111, the second mounting plate 212 is provided with two second mounting holes 2121 corresponding to the two first mounting holes 2111, respectively, the flexible roller 22 has a fixing hole 221 and passes through the first mounting hole 2111, the fixing hole 221 and the second mounting hole 2121 by a pin 4, respectively, to be mounted on the roller bracket 21, wherein a connecting line between the first mounting hole 2111, the second mounting hole 2121 and the bushing 213 is configured as a triangle.
Firstly, adopt two flexible rollers 22 common with the contact of auxiliary leaf spring 3, can increase area of contact, realize that the atress is more even, secondly, two flexible rollers 22 enclose into the triangle-shaped structure with axle sleeve 213 three's fixed point, guarantee contact stability and rotational stability. In other embodiments, the flexible roller 22 may be arranged in one or more, as long as stable contact with the sub leaf spring 3 can be satisfied.
Optionally, the shaft sleeve 213 and the connecting shaft 12 are in clearance fit, so as to facilitate the dismounting and the maintenance of the roller assembly 2, and accordingly, the fixing bracket 1 does not need to be separated from the frame, meanwhile, in the embodiment of the present disclosure, the pin 4 and the first mounting hole 2111, the fixing hole 221 and the second mounting hole 2121 are in clearance fit, so as to facilitate the dismounting and the maintenance of the flexible roller 22, for example, when one of the parts of the sub leaf spring bracket is damaged, only the part needs to be dismounted and replaced or maintained, and the whole sub leaf spring bracket does not need to be replaced at the same time, thereby reducing the maintenance cost.
Alternatively, in order to further reduce the friction resistance, as shown in fig. 4, a lubricating oil passage 41 is provided on the pin 4, the lubricating oil passage 41 includes an axial oil passage 411 extending in the axial direction of the pin 4 and a plurality of radial oil passages 412 extending in the radial direction of the pin 41, the plurality of radial oil passages 412 are communicated with the circumferential oil passage 411 and are uniformly arranged at intervals in the circumferential direction, and the axial oil passage 411 penetrates through the pin 4 and has one end connected with an oil nozzle. External lubricating oil is introduced into the axial passage 411 through the oil nipple, and then the flexible roller 22 is lubricated through the radial oil passages 412 provided at the respective positions, so that reduction in frictional resistance between the flexible roller 22 and the surface of the sub leaf spring 3 can be achieved.
As shown in fig. 1, 5 and 6, the embodiment of the present disclosure further provides a primary and secondary leaf spring suspension assembly, which includes a primary leaf spring 5, two primary leaf spring brackets 6 connected to two ends of the primary leaf spring 5, and a secondary leaf spring 3, and further includes the above-mentioned disclosed secondary leaf spring bracket. Fig. 1 and 5 show the working state of the main leaf spring 5, at which the auxiliary leaf spring 3 is suspended, and fig. 6 shows that the main leaf spring 5 and the auxiliary leaf spring 3 work simultaneously, and the auxiliary leaf spring support is in abutting contact with the surface of the auxiliary leaf spring 3, so that the noise of the whole vehicle is effectively reduced, and the frictional resistance is reduced. In addition, this disclosure still provides a vehicle, including the main vice leaf spring suspension assembly that the aforesaid was disclosed, the vehicle has with above-mentioned vice leaf spring suspension assembly that discloses and vice leaf spring support's whole beneficial effect, does not describe herein any more.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. A secondary leaf spring bracket, characterised by comprising a fixed bracket (1) for mounting to a vehicle frame and a roller assembly (2), the roller assembly (2) comprising a roller bracket (21) and a flexible roller (22) for contact with a secondary leaf spring (3), the flexible roller (22) being rotatably connected to the roller bracket (21), the roller bracket (21) being detachably connected to the fixed bracket (1).
2. Auxiliary leaf spring bracket according to claim 1, characterised in that the roller bracket (21) is rotatably connected to the fixing bracket (1).
3. The sub leaf spring support according to claim 2, wherein the roller support (21) comprises two first mounting plates (211) arranged at intervals, a second mounting plate (212) and a bushing (213), the second mounting plate (212) is arranged close to the fixed support (1), the flexible roller (22) is rotatably connected between the first mounting plate (211) and the second mounting plate (212), wherein the bushing (213) is connected between the first mounting plate (211) and the second mounting plate (212) and protrudes from the first mounting plate (211), the fixed support (1) comprises a fixing plate (11) for fixing to the vehicle frame and a connecting shaft (12) arranged on the fixing plate (11), the bushing (213) is sleeved to an outer surface of the connecting shaft (12) to enable the roller support (21) to be rotatably connected to the fixed support around the connecting shaft (12) (213) 1).
4. The leaf spring support according to claim 3, wherein the flexible roller (22) comprises two, the first mounting plate (211) is provided with two first mounting holes (2111), the second mounting plate (212) is provided with two second mounting holes (2121) corresponding to the two first mounting holes (2111), the flexible roller (22) has a fixing hole (221) and passes through the first mounting hole (2111), the fixing hole (221) and the second mounting hole (2121) through a pin (4) to be mounted on the roller support (21), and a connecting line between the first mounting hole (2111), the second mounting hole (2121) and the bushing (213) is configured as a triangle.
5. The auxiliary leaf spring support according to claim 4, wherein a lubricating oil passage (41) is arranged on the pin shaft (4), the lubricating oil passage (41) comprises an axial oil passage (411) extending in the axial direction of the pin shaft (4) and a plurality of radial oil passages (412) extending in the radial direction of the pin shaft (41), the plurality of radial oil passages (412) are communicated with the circumferential oil passage (411) and are uniformly arranged at intervals in the circumferential direction, the axial oil passage (411) penetrates through the pin shaft (4), and one end of the axial oil passage is connected with an oil nozzle.
6. The leaf spring support according to claim 3, characterized in that the bushing (213) and the connecting shaft (12) are a clearance fit.
7. Auxiliary leaf spring support according to any of claims 1-6, characterised in that the flexible roller (22) is configured as a nylon roller.
8. The leaf spring support according to any one of claims 1 to 6, characterised in that the roller support (21) is configured as an aluminium alloy support.
9. A primary and secondary leaf spring suspension assembly comprising a primary leaf spring (5), two primary leaf spring supports (6) connected at both ends of the primary leaf spring (5) and a secondary leaf spring (3), characterized in that it further comprises a secondary leaf spring support according to any one of claims 1-8.
10. A vehicle comprising a primary and secondary leaf spring suspension assembly according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328424.XA CN113002257A (en) | 2019-12-20 | 2019-12-20 | Auxiliary plate spring support, main and auxiliary plate spring suspension assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911328424.XA CN113002257A (en) | 2019-12-20 | 2019-12-20 | Auxiliary plate spring support, main and auxiliary plate spring suspension assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113002257A true CN113002257A (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911328424.XA Pending CN113002257A (en) | 2019-12-20 | 2019-12-20 | Auxiliary plate spring support, main and auxiliary plate spring suspension assembly and vehicle |
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| CN (1) | CN113002257A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210402839A1 (en) * | 2020-06-29 | 2021-12-30 | Trucks And Trails, Inc. | Vehicle lift kit |
| CN114932775A (en) * | 2022-06-02 | 2022-08-23 | 安徽江淮汽车集团股份有限公司 | Leaf spring suspension structure and car |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR700617A (en) * | 1930-08-01 | 1931-03-05 | Suspension device with shock absorbers and system for mounting this device on vehicles | |
| CN202965868U (en) * | 2012-12-25 | 2013-06-05 | 淮北市汇众金属制品有限公司 | Damping and noise reduction device of electric tricycle |
| KR20140078433A (en) * | 2012-12-17 | 2014-06-25 | 현대자동차주식회사 | Leaf spring mounting device for vehicle |
| CN204184151U (en) * | 2014-10-29 | 2015-03-04 | 阿尔特汽车技术股份有限公司 | A kind of rolling friction type leaf spring carrier structure |
| CN106114110A (en) * | 2016-08-31 | 2016-11-16 | 北汽福田汽车股份有限公司 | A kind of automobile and suspension system thereof and auxiliary plate spring support device thereof |
-
2019
- 2019-12-20 CN CN201911328424.XA patent/CN113002257A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR700617A (en) * | 1930-08-01 | 1931-03-05 | Suspension device with shock absorbers and system for mounting this device on vehicles | |
| KR20140078433A (en) * | 2012-12-17 | 2014-06-25 | 현대자동차주식회사 | Leaf spring mounting device for vehicle |
| CN202965868U (en) * | 2012-12-25 | 2013-06-05 | 淮北市汇众金属制品有限公司 | Damping and noise reduction device of electric tricycle |
| CN204184151U (en) * | 2014-10-29 | 2015-03-04 | 阿尔特汽车技术股份有限公司 | A kind of rolling friction type leaf spring carrier structure |
| CN106114110A (en) * | 2016-08-31 | 2016-11-16 | 北汽福田汽车股份有限公司 | A kind of automobile and suspension system thereof and auxiliary plate spring support device thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210402839A1 (en) * | 2020-06-29 | 2021-12-30 | Trucks And Trails, Inc. | Vehicle lift kit |
| US11794541B2 (en) * | 2020-06-29 | 2023-10-24 | Trucks And Trails, Inc. | Vehicle lift kit |
| CN114932775A (en) * | 2022-06-02 | 2022-08-23 | 安徽江淮汽车集团股份有限公司 | Leaf spring suspension structure and car |
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Application publication date: 20210622 |