CN216382303U - Wet friction element - Google Patents
Wet friction element Download PDFInfo
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- CN216382303U CN216382303U CN202122764265.7U CN202122764265U CN216382303U CN 216382303 U CN216382303 U CN 216382303U CN 202122764265 U CN202122764265 U CN 202122764265U CN 216382303 U CN216382303 U CN 216382303U
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- linear oil
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- oil groove
- friction element
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Abstract
The utility model discloses a wet friction element, which comprises a substrate and friction layers arranged on two sides of the substrate, wherein the substrate and the friction layers are both in a ring shape, the surface of the friction layer is provided with a plurality of first linear oil grooves and second linear oil grooves, the first linear oil grooves and the second linear oil grooves are arranged in a criss-cross manner, oil storage pits are arranged at the intersection of the first linear oil grooves and the second linear oil grooves, and the diameter of each oil storage pit is larger than the groove width of each first linear oil groove or each second linear oil groove; the depth of the oil storage pit is greater than or equal to the depth of the first linear oil groove and the second linear oil groove. According to the friction element, the first linear oil groove and the second linear oil groove are arranged on the surface of the friction layer in a criss-cross mode, the first linear oil groove and the second linear oil groove cover the surface of the friction layer, and when the friction element works, cooling oil can flow through the first linear oil groove and the second linear oil groove, so that the friction element is cooled, and the problem that the service life of the friction element is influenced due to overhigh temperature is avoided.
Description
Technical Field
The present invention relates to a friction element, and more particularly, to a wet friction element.
Background
Friction elements are widely used in various construction machines and clutches. The friction element is in pressure contact with the dual steel sheets, and the effect of braking or clutching is realized through friction between the friction element and the dual steel sheets. The problem that heat dispersion is not good exists in current friction element, and in the course of the work, because friction can produce a large amount of heats for friction element high temperature influences friction element's life.
Disclosure of Invention
The utility model aims to solve the problems that the conventional friction element has poor heat dissipation performance, and the service life of the friction element is influenced by overhigh temperature of the friction element due to a large amount of heat generated by friction in the working process, and provides a wet friction element which can effectively solve the problems.
The purpose of the utility model is realized by the following technical scheme: a wet friction element comprises a substrate and friction layers arranged on two sides of the substrate, wherein the substrate and the friction layers are both in a circular ring shape, a plurality of first linear oil grooves and second linear oil grooves are arranged on the surfaces of the friction layers, the first linear oil grooves and the second linear oil grooves are arranged in a criss-cross mode, oil storage pits are arranged at the intersection positions of the first linear oil grooves and the second linear oil grooves, and the diameter of each oil storage pit is larger than the groove width of each first linear oil groove or each second linear oil groove; the depth of the oil storage pit is greater than or equal to the depth of the first linear oil groove and the second linear oil groove.
In the present invention, the friction element is immersed in the cooling oil during operation. The surface of frictional layer is provided with vertically and horizontally staggered's first straight line oil groove and second straight line oil groove, and first straight line oil groove and second straight line oil groove cover the surface of frictional layer, and friction element flows through in can following first straight line oil groove and second straight line oil groove, takes away the heat at the during operation, thereby cools off friction element, cools down friction element, avoids the friction element high temperature and influences life. The oil storage pit is arranged at the intersection of the first linear oil groove and the second linear oil groove, the oil storage pit plays a role in communicating the first linear oil groove and the second linear oil groove, and cooling oil can smoothly flow into the first linear oil groove and the second linear oil groove after entering the oil storage pit, so that the flowing diffusion of the cooling oil in the first oil groove and the second oil groove is facilitated, and the cooling effect on a friction element is improved. The diameter of the oil storage pit is larger than the width of the first straight oil groove or the second straight oil groove, so that the volume of the oil storage pit is larger, the retention amount of cooling oil on the surface of the friction layer is increased, and the cooling effect is improved; the great volume of oil storage pit makes it difficult by the particulate matter jam simultaneously, guarantees the smooth and easy intercommunication between first straight line oil groove and the second straight line oil groove.
Preferably, the substrate is made of steel, and the friction layer is made of a copper-based friction material.
Preferably, the inner side of the base plate is provided with spline grooves. The inner side of the base plate is provided with a spline groove, and the base plate can be in transmission connection with the shaft part through the spline groove.
Preferably, the groove width of the first straight line oil groove is the same as that of the second straight line oil groove, and the ratio of the diameter of the oil storage pit to the groove width of the first straight line oil groove is 1.2-2.5: 1.
preferably, a boss is arranged on one side, close to the substrate, of the friction layer, a groove corresponding to the boss is formed in the substrate, the boss is embedded into the groove, and the boss is in interference fit with the groove. The boss on the friction layer is embedded into the groove on the substrate, and the boss and the groove are in interference fit, so that the connection firmness of the friction layer and the substrate is improved, and the friction layer and the substrate are not easy to separate or slide relatively.
Preferably, the boss is cylindrical.
Preferably, the distance between two adjacent first linear oil grooves or two adjacent second linear oil grooves is 15-20 mm.
The utility model has the beneficial effects that: according to the friction element, the first linear oil grooves and the second linear oil grooves are arranged on the surface of the friction layer in a criss-cross mode, the first linear oil grooves and the second linear oil grooves cover the surface of the friction layer, and when the friction element works, cooling oil can flow through the first linear oil grooves and the second linear oil grooves to take away heat, so that the friction element is cooled, and the problem that the service life of the friction element is influenced due to overhigh temperature is avoided.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is an enlarged view of a portion a in fig. 2.
In the figure: 1. base plate, 2, frictional layer, 3, first straight line oil groove, 4, second straight line oil groove, 5, oil storage pit, 6, spline groove, 7, boss.
Detailed Description
The utility model is further described by the following detailed description in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1 to 3, a wet friction element includes a base plate 1 and friction layers 2 provided on both sides of the base plate 1, and both the base plate 1 and the friction layers 2 are annular. The material of the substrate 1 is steel, and the friction layer 2 is made of copper-based friction material. The friction layer and the substrate are connected together through a high-temperature sintering process. A boss 7 is arranged on one side of the friction layer 2 close to the substrate 1, and the boss 7 is cylindrical. The base plate 1 is provided with a groove corresponding to the boss 7, the boss 7 is embedded into the groove, and the boss 7 is in interference fit with the groove. The inner side of the base plate 1 is provided with spline grooves 6.
The surface of frictional layer 2 is provided with a plurality of first straight line oil groove 3 and second straight line oil groove 4, and first straight line oil groove 3 and second straight line oil groove 4 vertically and horizontally staggered arrange, and the crossing department of first straight line oil groove 3 and second straight line oil groove 4 is provided with circular shape oil storage pit 5, and the diameter of oil storage pit 5 is greater than the groove width of oil groove 4 between first straight line oil groove 3 or the second. The depth of the oil storage pit 5 is greater than or equal to the depth of the first linear oil groove and the second linear oil groove. The groove width of the first linear oil groove 3 is the same as that of the second linear oil groove 4, and the ratio of the diameter of the oil storage pit 5 to the groove width of the first linear oil groove is 1.2-2.5: 1. the distance between two adjacent first straight oil grooves or two adjacent second straight oil grooves is 15-20 millimeters.
In the present invention, the friction element is immersed in the cooling oil during operation. The surface of frictional layer is provided with vertically and horizontally staggered's first straight line oil groove and second straight line oil groove, and first straight line oil groove and second straight line oil groove cover the surface of frictional layer, and friction element flows through in can following first straight line oil groove and second straight line oil groove, takes away the heat at the during operation, thereby cools off friction element, cools down friction element, avoids the friction element high temperature and influences life. The oil storage pit is arranged at the intersection of the first linear oil groove and the second linear oil groove, the oil storage pit plays a role in communicating the first linear oil groove and the second linear oil groove, and cooling oil can smoothly flow into the first linear oil groove and the second linear oil groove after entering the oil storage pit, so that the flowing diffusion of the cooling oil in the first oil groove and the second oil groove is facilitated, and the cooling effect on a friction element is improved. The diameter of the oil storage pit is larger than the width of the first straight oil groove or the second straight oil groove, so that the volume of the oil storage pit is larger, the retention amount of cooling oil on the surface of the friction layer is increased, and the cooling effect is improved; the great volume of oil storage pit makes it difficult by the particulate matter jam simultaneously, guarantees the smooth and easy intercommunication between first straight line oil groove and the second straight line oil groove.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. A wet friction element is characterized by comprising a substrate and friction layers arranged on two sides of the substrate, wherein the substrate and the friction layers are both in a ring shape, the surface of each friction layer is provided with a plurality of first linear oil grooves and second linear oil grooves, the first linear oil grooves and the second linear oil grooves are arranged in a criss-cross mode, oil storage pits are arranged at the intersection of the first linear oil grooves and the second linear oil grooves, and the diameter of each oil storage pit is larger than the groove width of each first linear oil groove or each second linear oil groove; the depth of the oil storage pit is greater than or equal to the depth of the first linear oil groove and the second linear oil groove.
2. A wet friction element as claimed in claim 1 wherein the material of the base plate is steel and the friction layer is made of a copper based friction material.
3. A wet friction element as claimed in claim 1 wherein the inside of the base plate is provided with spline grooves.
4. A wet friction member as claimed in claim 1, 2 or 3, wherein the first linear oil groove and the second linear oil groove have the same groove width, and the ratio of the diameter of the oil storage pocket to the groove width of the first linear oil groove is 1.2 to 2.5: 1.
5. a wet friction element as claimed in claim 1, 2 or 3 wherein the friction layer is provided with a boss on a side thereof adjacent to the base plate, the base plate being provided with a recess corresponding to the boss, the boss being received in the recess and the boss being an interference fit with the recess.
6. A wet friction element as claimed in claim 5 wherein said boss is cylindrical.
7. A wet friction element as claimed in claim 1, 2 or 3 wherein the distance between two adjacent first linear oil grooves or two adjacent second linear oil grooves is 15 to 20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122764265.7U CN216382303U (en) | 2021-11-10 | 2021-11-10 | Wet friction element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122764265.7U CN216382303U (en) | 2021-11-10 | 2021-11-10 | Wet friction element |
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| Publication Number | Publication Date |
|---|---|
| CN216382303U true CN216382303U (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122764265.7U Active CN216382303U (en) | 2021-11-10 | 2021-11-10 | Wet friction element |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199686A (en) * | 2022-07-15 | 2022-10-18 | 杭州萧山红旗摩擦材料有限公司 | Engineering truck bridge type high-carbon brake friction plate and machining process |
-
2021
- 2021-11-10 CN CN202122764265.7U patent/CN216382303U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199686A (en) * | 2022-07-15 | 2022-10-18 | 杭州萧山红旗摩擦材料有限公司 | Engineering truck bridge type high-carbon brake friction plate and machining process |
| CN115199686B (en) * | 2022-07-15 | 2023-10-20 | 杭州萧山红旗摩擦材料有限公司 | Engineering truck bridge type high-carbon brake friction plate and processing technology |
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