CN223546117U - A wear-resistant structure for leaf spring suspension - Google Patents
A wear-resistant structure for leaf spring suspensionInfo
- Publication number
- CN223546117U CN223546117U CN202423239136.6U CN202423239136U CN223546117U CN 223546117 U CN223546117 U CN 223546117U CN 202423239136 U CN202423239136 U CN 202423239136U CN 223546117 U CN223546117 U CN 223546117U
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- China
- Prior art keywords
- leaf spring
- wear
- sleeve
- steel pipe
- plates
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Abstract
The utility model relates to the field of automotive suspensions, and discloses a wear-resistant structure for leaf spring suspension, which comprises an axle, a leaf spring, side plates and a wear-resistant mechanism, wherein the leaf spring is arranged on the axle, two side plates are arranged at two ends of the leaf spring, the same two bearing plates are fixedly connected between the four side plates, the wear-resistant mechanism is arranged on the two bearing plates, the two wear-resistant mechanisms are connected with the leaf spring, and the wear-resistant mechanism comprises a first fixing plate, a steel pipe, a sleeve, a first through hole, a second through hole, a sealing gasket and a liquid inlet pipe. The utility model has the advantages that the sliding friction between the sleeve and the plate spring can be converted into rolling friction through the matching of all the parts, and the friction force between the sleeve and the plate spring is effectively reduced, so that the abrasion between all the parts is reduced, the service life is prolonged, the driving safety is improved, and the practicability is greatly improved.
Description
Technical Field
The utility model relates to the technical field of automotive suspensions, in particular to a wear-resistant structure for leaf spring suspension.
Background
The trailer suspension is generally a mechanical leaf spring suspension, and the leaf spring suspension comprises a support seat arranged on a trailer axle, a leaf spring arranged on the support seat and two brackets arranged on a trailer girder, wherein the two brackets are respectively positioned at two ends of the leaf spring and are provided with a bearing plate positioned above the leaf spring;
At present, a trailer provided with a leaf spring type mechanical suspension turns and runs on uneven road surfaces during running. The abrasion between the leaf spring and the support and the balance beam is easy to cause the abrasion of the support and the balance beam, the support and the balance beam are required to be replaced to a certain extent, the maintenance is very difficult, after the abrasion, if timely maintenance cannot be achieved, the support and the balance beam are possibly broken, and serious accidents are caused, so that the abrasion-resistant structure of the leaf spring suspension is provided, and the problem in the background technology is solved.
Disclosure of utility model
The utility model aims to provide a wear-resistant structure for leaf spring suspension, which can convert sliding friction between a sleeve 7 and a leaf spring 2 into rolling friction, effectively reduce friction force between the sleeve and the leaf spring, further reduce abrasion among parts, prolong service life and improve driving safety.
The technical aim of the utility model is realized by the following technical scheme that the wear-resistant structure for plate spring suspension comprises an axle, a plate spring, a side plate and a wear-resistant mechanism;
The axle is provided with a plate spring, two ends of the plate spring are respectively provided with two side plates, the same two bearing plates are fixedly connected between the four side plates, the two bearing plates are respectively provided with a wear-resisting mechanism, and the two wear-resisting mechanisms are respectively connected with the plate spring;
The wear-resisting mechanism comprises a first fixed plate, a steel pipe, a sleeve, a first through hole, a second through hole, a sealing gasket and a liquid inlet pipe, wherein the bottom plate of the bearing plate is fixedly connected with the first fixed plate, the second fixed plate is fixedly connected with the same steel pipe, the sleeve is sleeved on the steel pipe in a rotating mode, the sleeve is in butt joint with the plate spring, through the matching design among the axle, the plate spring, the side plates, the bearing plate and the wear-resisting mechanism, sliding friction between the sleeve and the plate spring is converted into rolling friction, friction between the sleeve and the plate spring is effectively reduced, abrasion among parts is reduced, service life is prolonged, and driving safety is improved.
The utility model is further arranged that one end of the steel pipe penetrates through the corresponding first fixing plate and the corresponding side plate and is used for limiting and supporting the steel pipe, lubricating oil is contained in the steel pipe, and the lubricating effect between the sleeve and the plate spring can be achieved through the lubricating oil.
The utility model is further characterized in that one end of the steel pipe is connected with a liquid inlet pipe in a sealing way, one end of the liquid inlet pipe is provided with a valve, and the other end of the liquid inlet pipe extends into the cavity of the steel pipe, so that lubricating oil can be conveniently added.
The steel pipe is further provided with a first through hole, the sleeve is provided with a plurality of second through holes, the second through holes are matched with the first through holes, when the sleeve rotates on the steel pipe, the sealing gasket on the sleeve is separated from the first through holes on the steel pipe, the second through holes on the sleeve correspond to the first through holes, and at the moment, lubrication in the steel pipe passes through the corresponding first through holes and the second through holes and flows between the sleeve and the plate spring, so that the effect of lubricating the sleeve and the plate spring is achieved, and the effect of reducing abrasion is further achieved.
The utility model is further characterized in that a groove I is formed in the inner side of the sleeve, a sealing gasket is fixedly arranged in the groove I, and the sealing gasket corresponds to the through hole I and is used for sealing the through hole I.
The utility model is further characterized in that the two ends of the steel pipe are fixedly sleeved with the first bearings, and the outer walls of the first bearings are fixedly connected with the sleeve so as to facilitate the sleeve to rotate on the steel pipe.
The utility model is further characterized in that a groove II is formed in one end of the steel pipe and corresponds to the liquid inlet pipe, a rubber protection plug is connected in the groove II in a jogged mode, the rubber protection plug is sleeved on the liquid inlet pipe, one end of the liquid inlet pipe is exposed and a valve on the liquid inlet pipe is opened by taking out the rubber protection plug in the groove II at one end of the steel pipe, lubricating oil is conveyed into the cavity on the steel pipe through the action of the liquid inlet pipe, and then the valve on the liquid inlet pipe is closed and the rubber protection plug is installed in the groove II, so that the purposes of adding the lubricating oil and protecting the liquid inlet pipe are achieved.
The utility model is further provided with four side plates which are respectively positioned at two sides of the plate spring, and the two bearing plates are symmetrically connected in a detachable way.
The utility model further provides that the axle is sleeved with two U-shaped bolts, and the two U-shaped bolts are respectively positioned at two sides of the plate spring and used for fixing the plate spring.
The utility model is further provided with two pressing plates arranged on the two U-shaped bolts, the two pressing plates are respectively positioned at two ends of the plate spring, and the two ends of the two U-shaped bolts are respectively connected with a fixing nut in a threaded manner, so that the purpose of assembling the plate spring and the axle is achieved.
The steel tube sleeve has the advantages that when the plate spring is deformed, two ends of the plate spring respectively act with the two sleeve tubes, meanwhile, through the auxiliary action of the two first bearings on the steel tube, the sleeve tubes rotate on the steel tube, sliding friction between the sleeve tubes and the plate spring is converted into rolling friction in the process, the purpose of reducing friction force and the effect of reducing abrasion are achieved, when the sleeve tubes rotate on the steel tube, the sealing gaskets on the sleeve tubes are separated from the first through holes on the steel tube, the through holes on the sleeve tubes correspond to the first through holes, at the moment, lubrication in the steel tube has the effect of lubricating the sleeve tubes and the plate spring by passing through the corresponding first through holes and the second through holes and flowing between the sleeve tubes and the plate spring, and the effect of reducing abrasion is achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a wear-resistant structure of a leaf spring suspension according to the present utility model;
FIG. 2 is a schematic view of the front view of the wear structure of a leaf spring suspension according to the present utility model;
FIG. 3 is a schematic side view of a wear structure of a leaf spring suspension according to the present utility model;
Fig. 4 is an enlarged schematic view of the structure at a in fig. 2.
In the figure, 1, an axle, 2, a plate spring, 3, a side plate, 4, a bearing plate, 5, a first fixing plate, 6, a steel pipe, 7, a sleeve, 8, a first through hole, 9, a second through hole, 10, a sealing gasket, 11, a liquid inlet pipe, 12, a first bearing, 13, a rubber protective plug, 14, a U-shaped bolt, 15 and a pressing plate.
Detailed Description
The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-4, a wear-resistant structure of a leaf spring suspension comprises an axle 1, a leaf spring 2, a side plate 3 and a wear-resistant mechanism;
the axle 1 is provided with a plate spring 2, two ends of the plate spring 2 are respectively provided with two side plates 3, the same two bearing plates 4 are fixedly connected between the four side plates 3, the two bearing plates 4 are respectively provided with a wear-resisting mechanism, and the two wear-resisting mechanisms are respectively connected with the plate spring 2;
the wear-resisting mechanism comprises a first fixed plate 5, a steel pipe 6, a sleeve 7, a first through hole 8, a second through hole 9, a sealing gasket 10 and a liquid inlet pipe 11, wherein the bottom plates of the two bearing plates 4 are fixedly connected with the first fixed plates 5, the same steel pipe 6 is fixedly connected between the first fixed plates 5, the sleeve 7 is sleeved on the steel pipe 6 in a rotating manner, the sleeve 7 is abutted to the plate spring 2, and sliding friction between the sleeve 7 and the plate spring 2 can be converted into rolling friction through the matching design among the axle 1, the plate spring 2, the side plates 3, the bearing plates 4 and the wear-resisting mechanism, so that friction force between the sleeve 7 and the plate spring 2 is effectively reduced, abrasion between parts is reduced, service life is prolonged, and driving safety is improved.
In this embodiment, one end of the steel tube 6 penetrates through the corresponding fixing plate one 5 and the side plate 3, and is used for limiting and supporting the steel tube 6, and lubricating oil is contained in the steel tube 6, so that the effect of lubricating between the sleeve 7 and the plate spring 2 can be achieved through the effect of the lubricating oil.
In this embodiment, one end of the steel pipe 6 is connected with a liquid inlet pipe 11 in a sealing manner, one end of the liquid inlet pipe 11 is provided with a valve, and the other end of the liquid inlet pipe 11 extends into the cavity of the steel pipe 6, so that lubricating oil can be conveniently added.
In this embodiment, the steel pipe 6 is provided with the first through hole 8, the sleeve 7 is provided with the second through holes 9, the second through holes 9 are matched with the first through hole 8, when the sleeve 7 rotates on the steel pipe 6, the sealing gasket 10 on the sleeve 7 is separated from the first through hole 8 on the steel pipe 6, and the second through holes 9 on the sleeve 7 correspond to the first through hole 8, at this time, lubrication in the steel pipe 6 passes through the corresponding first through hole 8 and the second through hole 9 and flows between the sleeve 7 and the plate spring 2, thereby achieving the effect of lubricating the sleeve 7 and the plate spring 2, and further achieving the effect of reducing wear.
In this embodiment, a groove I is formed on the inner side of the sleeve 7, a sealing pad 10 is fixedly installed in the groove I, and the sealing pad 10 corresponds to the through hole I8 and is used for sealing the through hole I8.
In this embodiment, the two ends of the steel pipe 6 are fixedly sleeved with the first bearings 12, and the outer walls of the first bearings 12 are fixedly connected with the sleeve 7, so that the sleeve 7 can rotate on the steel pipe 6 conveniently.
In this embodiment, the second recess is seted up to the one end of steel pipe 6 and corresponds with feed liquor pipe 11, and the gomphosis is connected with rubber protection stopper 13 in the second recess, and rubber protection stopper 13 cover is established on feed liquor pipe 11, through taking out the rubber protection stopper 13 in the recess of steel pipe 6 one end two to make the one end of feed liquor pipe 11 expose and open the valve on the feed liquor pipe 11, then, carry lubricating oil in the cavity on to steel pipe 6 through the effect of feed liquor pipe 11, afterwards, close the valve on the feed liquor pipe 11 and install rubber protection stopper 13 in the recess two, thereby reach the purpose of adding lubricating oil and carry out the effect of protection to feed liquor pipe 11.
In this embodiment, the four side plates 3 are respectively located at two sides of the leaf spring 2, and the two bearing plates 4 are symmetrical and detachably connected.
In this embodiment, two U-bolts 14 are sleeved on the axle 1, and the two U-bolts 14 are respectively located at two sides of the leaf spring 2 and used for fixing the leaf spring 2.
In this embodiment, two pressing plates 15 are disposed on two U-shaped bolts 14, the two pressing plates 15 are respectively located at two ends of the plate spring 2, and two ends of the two U-shaped bolts 14 are connected with fixing nuts in a threaded manner, so that the purpose of assembling the plate spring 2 and the axle 1 is achieved.
When the working principle is that the plate spring 2 is arranged on the axle 1 under the action of the two U-shaped bolts 14 and the two pressing plates 15, and the two ends of the plate spring 2 are respectively abutted with the two sleeves 7;
When the plate spring 2 is deformed, two ends of the plate spring 2 respectively act with the two sleeves 7, and simultaneously the two bearings 12 on the steel pipe 6 assist the two sleeves 7 to rotate in the steel pipe 6, so that sliding friction between the sleeves 7 and the plate spring 2 is converted into rolling friction in the process, and the purposes of reducing friction force and reducing abrasion are achieved;
When the sleeve 7 rotates on the steel pipe 6, the sealing gasket 10 on the sleeve 7 is separated from the first through hole 8 on the steel pipe 6, and the plurality of second through holes 9 on the sleeve 7 correspond to the first through hole 8, at the moment, lubrication in the steel pipe 6 passes through the corresponding first through hole 8 and the corresponding second through hole 9 and flows between the sleeve 7 and the plate spring 2, so that the effect of lubricating the sleeve 7 and the plate spring 2 is achieved, and the effect of reducing abrasion is further achieved;
The rubber protection plug 13 in the groove II at one end of the steel pipe 6 is taken out, so that one end of the liquid inlet pipe 11 is exposed, a valve on the liquid inlet pipe 11 is opened, lubricating oil is conveyed into a cavity on the steel pipe 6 through the action of the liquid inlet pipe 11, and then the valve on the liquid inlet pipe 11 is closed, the rubber protection plug 13 is arranged in the groove II, and the purposes of adding the lubricating oil and protecting the liquid inlet pipe 11 are achieved.
Compared with the prior art, the utility model has the technical progress that the sliding friction between the sleeve 7 and the plate spring 2 can be converted into rolling friction through the cooperation of all the parts, and the friction force between the sleeve 7 and the plate spring is effectively reduced, so that the abrasion between all the parts is reduced, the service life is prolonged, the driving safety is improved, and the practicability is greatly improved.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423239136.6U CN223546117U (en) | 2024-12-27 | 2024-12-27 | A wear-resistant structure for leaf spring suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202423239136.6U CN223546117U (en) | 2024-12-27 | 2024-12-27 | A wear-resistant structure for leaf spring suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223546117U true CN223546117U (en) | 2025-11-14 |
Family
ID=97628261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202423239136.6U Active CN223546117U (en) | 2024-12-27 | 2024-12-27 | A wear-resistant structure for leaf spring suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223546117U (en) |
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2024
- 2024-12-27 CN CN202423239136.6U patent/CN223546117U/en active Active
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