CN111120533B - Buffer device for transmission - Google Patents
Buffer device for transmission Download PDFInfo
- Publication number
- CN111120533B CN111120533B CN201911398963.0A CN201911398963A CN111120533B CN 111120533 B CN111120533 B CN 111120533B CN 201911398963 A CN201911398963 A CN 201911398963A CN 111120533 B CN111120533 B CN 111120533B
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- Prior art keywords
- cavity
- buffer
- ring
- oil
- friction disc
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material
- F16F15/161—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material characterised by the fluid damping devices, e.g. passages, orifices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material
- F16F15/162—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material with forced fluid circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/16—Suppression of vibrations in rotating systems by making use of members moving with the system using a fluid or pasty material
- F16F15/165—Sealing arrangements
Abstract
The invention relates to the field of transmissions, in particular to a buffer device for a transmission, which comprises an outer ring and a friction disc; the friction disc is positioned in the middle of the outer circular ring, and a plurality of buffer blocks are uniformly arranged on the edge of the friction disc; a buffer cavity corresponding to the buffer block is formed in the outer ring, the buffer block is connected in the buffer cavity in a sliding mode, and one end of the buffer block is elastically connected with the inner wall of the buffer cavity through a spring; an oil cavity corresponding to the buffer cavity is further formed in the outer circular ring, two ends of the oil cavity are communicated with two ends of the buffer cavity through first pore channels, and a second pore channel is further arranged between the buffer cavity and the oil cavity; the invention has the beneficial effects that: when the clutch plate is attached to the friction disc, the buffer effect between the friction disc and the outer ring can be achieved through the flowing of hydraulic oil in the buffer cavity and the oil cavity, the second pore channel and the third pore channel play a role in pressure relief, and the situation that the hydraulic oil pressure rises sharply to cause damage to the outer ring in the moment of attaching the clutch plate to the friction disc is avoided.
Description
Technical Field
The invention relates to the field of transmissions, in particular to a buffer device for a transmission.
Background
When the vehicle shifted, clutch plate and friction disc in the derailleur generally need separate earlier, shifted and accomplish the back and laminate each other again, because the power input shaft of clutch plate and engine directly links, the power output shaft of friction disc and derailleur directly links, and consequently the rotational speed disparity is great between clutch plate and the friction disc, and the two laminating can cause the impact to the power output shaft of derailleur in the twinkling of an eye, probably causes the damage to derailleur inner structure after long-term the use.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided is a buffer device for a speed changer, which can avoid impact on the speed changer caused by the attachment moment of a clutch plate and a friction disc.
In order to solve the technical problems, the invention adopts the technical scheme that: a damping device for a transmission includes an outer ring and a friction disc;
the friction disc is positioned in the middle of the outer circular ring, and a plurality of buffer blocks are uniformly arranged on the edge of the friction disc;
a buffer cavity corresponding to the buffer block is formed in the outer ring, the buffer block is connected in the buffer cavity in a sliding mode, and one end of the buffer block is elastically connected with the inner wall of the buffer cavity through a spring;
an oil cavity corresponding to the buffer cavity is further formed in the outer circular ring, two ends of the oil cavity are communicated with two ends of the buffer cavity through first pore channels, and a second pore channel is further arranged between the buffer cavity and the oil cavity;
a third pore corresponding to the second pore is formed in the buffer block, one end of the third pore is located at the joint of the buffer block and the spring, and the other end of the third pore is located on one surface, close to the third pore, of the buffer block.
The invention has the beneficial effects that: when the clutch plate is attached to the friction disc, the buffer effect between the friction disc and the outer ring can be achieved through the flowing of hydraulic oil in the buffer cavity and the oil cavity, the second pore channel and the third pore channel play a role in pressure relief, and the damage to the outer ring caused by the fact that the hydraulic oil pressure is suddenly increased at the moment that the clutch plate is attached to the friction disc is avoided; the spring not only can reset the clutch plate, but also can play a role in auxiliary buffering.
Drawings
FIG. 1 is a front cross-sectional view of a damping device for a transmission in accordance with an embodiment of the present invention;
FIG. 2 is a side cross-sectional view of a damping device for a transmission in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of a voltage regulator according to an embodiment of the present invention;
description of reference numerals:
1-an outer circular ring; 11-a buffer chamber; 12-an oil chamber; 13-a first porthole; 14-a second porthole; 15-pressure regulating cavity; 16-oil holes; 2-a friction disk; 3-a buffer block; 31-a third porthole; 4-a voltage regulator; 41-a piston; 42-a sealing ring; 5-a sealing ring; 51-outer ring; 52-inner ring.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The most key concept of the invention is as follows: when the clutch plate is attached to the friction disc, hydraulic oil can flow in the buffer cavity and the oil cavity to achieve the buffer effect between the friction disc and the outer circular ring.
Referring to fig. 1 to 3 of the drawings, a damper device for a transmission according to the present invention includes an outer ring 1 and friction plates 2;
the friction disc 2 is positioned in the middle of the outer circular ring 1, and a plurality of buffer blocks 3 are uniformly arranged on the edge of the friction disc 2;
a buffer cavity 11 corresponding to the buffer block 3 is formed in the outer ring 1, the buffer block 3 is connected in the buffer cavity 11 in a sliding mode, and one end of the buffer block 3 is elastically connected with the inner wall of the buffer cavity 11 through a spring;
an oil cavity 12 corresponding to the buffer cavity 11 is further formed in the outer ring 1, two ends of the oil cavity 12 are communicated with two ends of the buffer cavity 11 through a first pore channel 13, and a second pore channel 14 is further arranged between the buffer cavity 11 and the oil cavity 12;
the inside third pore way 31 that corresponds with second pore 14 of seting up of buffer block 3, third pore way 31 one end is located buffer block 3 and spring junction, and the other end is located the buffer block 3 and is close to on the one side of third pore 31.
The working principle of the invention is as follows: when a power output shaft of the speed changer is directly connected with the outer circular ring 1, hydraulic oil is injected into the oil cavity 12, and the clutch plate is separated from the friction disc 2, the buffer block 3 is pressed at one end of the buffer cavity 11 under the action of the spring, and at the moment, the second pore channel 14 is separated from the third pore channel 31 and is not communicated with the third pore channel,
when the clutch plate is attached to the friction disc 2, the friction disc is driven by the clutch plate to rotate relative to the outer circular ring 1, so that the buffer block 3 slides in the buffer cavity 11, the spring is compressed, the buffer cavity 11 is divided into a left cavity and a right cavity by the buffer block 3, and hydraulic oil flows into the left cavity from the right cavity in the buffer cavity 11 through the oil cavity 12; when the cushion block 3 moves to the second port 14 and the third port 31 to communicate, part of the hydraulic oil can flow into the oil chamber 12 from the second port 14 and the third port 31; when the buffer block 3 continues to move, the spring is fully compressed and the second and third ports 14 and 31 are separated again.
As can be seen from the above description, the beneficial effects of the present invention are: when the clutch plate is attached to the friction disc, the buffer effect between the friction disc and the outer ring can be achieved through the flowing of hydraulic oil in the buffer cavity and the oil cavity, the second pore channel and the third pore channel play a role in pressure relief, and the damage to the outer ring caused by the fact that the hydraulic oil pressure is suddenly increased at the moment that the clutch plate is attached to the friction disc is avoided; the spring not only can reset the clutch plate, but also can play a role in auxiliary buffering.
Further, a regulator 4 for regulating the oil pressure inside the second port 14 is included.
Furthermore, a pressure regulating cavity 15 is formed in the outer ring 1, the pressure regulating cavity 15 is communicated with the second pore channel 14, and the pressure regulator 4 is elastically connected to the pressure regulating cavity 15.
According to the description, when the pressure of the second pore passage is increased, the hydraulic oil pushes the pressure regulator to move towards the pressure regulating cavity, so that the overflowing aperture of the second pore passage is increased, and the pressure reduction effect is achieved.
Further, voltage regulator 4 includes piston 41 and sealing washer 42, piston 41 sliding connection is in pressure regulating chamber 15, piston 41 one end is passed through spring and pressure regulating chamber 15 inner wall connection, the annular has been seted up on the piston 41 surface, the sealing washer 42 cover is located in the annular.
As can be seen from the above description, the spring can absorb part of the energy, and plays roles of buffering and storing energy; when the pressure of the second pore passage is small, the spring is reset to drive the piston to return, partial energy is released, the pressure is compensated, and the rapid change of the pressure of the hydraulic oil can be avoided.
Further, one end of the piston 41 close to the second duct 14 is provided with a groove.
As can be seen from the above description, the grooves can function as oil reservoirs.
Further, the sealing device also comprises a sealing ring 5, wherein the sealing ring 5 is positioned at the joint of the outer ring 1 and the friction ring, and the sealing ring 5 is used for sealing the joint of the outer ring 1 and the friction ring.
Further, the seal ring 5 includes an outer ring 51 and an inner ring 52, the outer ring 51 is fixedly connected to the surface of the outer ring 1, a seal groove corresponding to the inner ring 52 is formed on the surface of the friction disc 2, and the inner ring 52 is slidably connected in the seal groove.
As can be seen from the above description, by slidably coupling the inner ring in the seal groove, it is ensured that even if hydraulic oil in the outer ring leaks, it must flow to the friction disk surface.
Further, an oil filling hole 16 is formed in the outer ring 1, the oil filling hole 16 is communicated with the oil chamber 12, and a sealing bolt is arranged in the oil filling hole 16.
As can be seen from the above description, hydraulic oil can conveniently pour into the oil chamber through the oil filler point, and then flow into the cushion chamber.
Further, the pore size of the third pore passage 31 is larger than that of the second pore passage 14.
Further, there are four buffer blocks 3.
Example one
A damping device for a transmission comprises an outer ring 1 and friction discs 2;
the friction disc 2 is positioned in the middle of the outer circular ring 1, and four buffer blocks 3 are uniformly arranged on the edge of the friction disc 2;
a buffer cavity 11 corresponding to the buffer block 3 is formed in the outer ring 1, the buffer block 3 is connected in the buffer cavity 11 in a sliding mode, and one end of the buffer block 3 is elastically connected with the inner wall of the buffer cavity 11 through a spring;
an oil cavity 12 corresponding to the buffer cavity 11 is further formed in the outer ring 1, two ends of the oil cavity 12 are communicated with two ends of the buffer cavity 11 through a first hole channel 13, a second hole channel 14 is further formed between the buffer cavity 11 and the oil cavity 12, an oil filling hole 16 is formed in the outer ring 1, the oil filling hole 16 is communicated with the oil cavity 12, and a sealing bolt is arranged in the oil filling hole 16;
a third pore channel 31 corresponding to the second pore channel 14 is formed in the buffer block 3, one end of the third pore channel 31 is located at the connection position of the buffer block 3 and the spring, the other end of the third pore channel 31 is located on one surface of the buffer block 3 close to the third pore channel 31, and the aperture of the third pore channel 31 is larger than that of the second pore channel 14;
the oil pressure regulating device is characterized by further comprising a pressure regulator 4 for regulating the internal oil pressure of the second pore passage 14, a pressure regulating cavity 15 is formed in the outer ring 1, the pressure regulating cavity 15 is communicated with the second pore passage 14, the pressure regulator 4 is elastically connected in the pressure regulating cavity 15, the pressure regulator 4 comprises a piston 41 and a sealing ring 42, the piston 41 is slidably connected in the pressure regulating cavity 15, one end of the piston 41 is connected with the inner wall of the pressure regulating cavity 15 through a spring, an annular groove is formed in the surface of the piston 41, the sealing ring 42 is sleeved in the annular groove, and a groove is formed in one end, close to the second pore passage 14, of the piston 41;
the friction disc is characterized by further comprising a sealing ring 5, wherein the sealing ring 5 is located at the joint of the outer ring 1 and the friction ring, the sealing ring 5 is used for sealing the joint of the outer ring 1 and the friction ring, the sealing ring 5 comprises an outer ring 51 and an inner ring 52, the outer ring 51 is fixedly connected with the surface of the outer ring 1, a sealing groove corresponding to the inner ring 52 is formed in the surface of the friction disc 2, and the inner ring 52 is slidably connected in the sealing groove.
In conclusion, the beneficial effects provided by the invention are as follows: when the clutch plate is attached to the friction disc, the buffer effect between the friction disc and the outer ring can be achieved through the flowing of hydraulic oil in the buffer cavity and the oil cavity, the second pore channel and the third pore channel play a role in pressure relief, and the damage to the outer ring caused by the fact that the hydraulic oil pressure is suddenly increased at the moment that the clutch plate is attached to the friction disc is avoided; the spring not only can reset the clutch plate, but also can play a role in auxiliary buffering. When the pressure of the second pore passage is increased, the hydraulic oil pushes the pressure regulator to move towards the pressure regulating cavity, so that the overflowing aperture of the second pore passage is increased, and the pressure reduction effect is achieved. The spring can absorb part of energy to play roles in buffering and storing energy; when the pressure of the second pore passage is small, the spring is reset to drive the piston to return, partial energy is released, the pressure is compensated, and the rapid change of the pressure of the hydraulic oil can be avoided. The groove can play a role in oil storage. Through with inner ring sliding connection in the seal groove, can guarantee that even hydraulic oil in the outer ring is revealed and also must flow to the friction disk surface. Hydraulic oil can conveniently pour into the oil chamber through the oil filler point, and then flow into the cushion chamber.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (10)
1. A damper device for a transmission comprising an outer ring and a friction disc;
the friction disc is positioned in the middle of the outer circular ring, and a plurality of buffer blocks are uniformly arranged on the edge of the friction disc;
a buffer cavity corresponding to the buffer block is formed in the outer ring, the buffer block is connected in the buffer cavity in a sliding mode, and one end of the buffer block is elastically connected with the inner wall of the buffer cavity through a spring;
an oil cavity corresponding to the buffer cavity is further formed in the outer circular ring, two ends of the oil cavity are communicated with two ends of the buffer cavity through first pore channels, and a second pore channel is further arranged between the buffer cavity and the oil cavity;
a third pore canal corresponding to the second pore canal is formed in the buffer block, one end of the third pore canal is positioned at the joint of the buffer block and the spring, and the other end of the third pore canal is positioned on one surface of the buffer block close to the second pore canal;
the power output shaft of the speed changer is directly connected with the outer circular ring, hydraulic oil is injected into the oil cavity, when the clutch plate is separated from the friction disc, the buffer block is pressed at one end of the buffer cavity under the action of the spring, at the moment, the second pore passage is separated from the third pore passage and is not communicated with the third pore passage,
when the clutch plate is attached to the friction disc, the friction disc is driven by the clutch plate to rotate relative to the outer circular ring, so that the buffer block slides in the buffer cavity, the spring is compressed, the buffer cavity is divided into a left cavity and a right cavity by the buffer block, and hydraulic oil flows into the left cavity from the right cavity in the buffer cavity through the oil cavity; when the buffer block moves to the second hole channel and the third hole channel to be communicated, part of hydraulic oil can flow into the oil cavity from the second hole channel and the third hole channel; when the bumper continues to move, the spring is fully compressed and the second and third orifices are again separated.
2. The apparatus of claim 1, further comprising a pressure regulator for regulating the pressure of the oil within the second port.
3. The buffering device for the transmission according to claim 2, wherein a pressure regulating cavity is formed in the outer ring, the pressure regulating cavity is communicated with the second pore passage, and the pressure regulator is elastically connected to the pressure regulating cavity.
4. The damping device for the transmission according to claim 3, wherein the pressure regulator comprises a piston and a sealing ring, the piston is slidably connected in the pressure regulating cavity, one end of the piston is connected with the inner wall of the pressure regulating cavity through a pressure regulator spring, a ring groove is formed in the surface of the piston, and the sealing ring is sleeved in the ring groove.
5. The damper device for a transmission of claim 4, wherein an end of the piston adjacent the second port is recessed.
6. A damper device for a transmission according to claim 1, further comprising a seal ring located at a junction of the outer ring and the friction disc, the seal ring being adapted to seal the junction of the outer ring and the friction disc.
7. The apparatus of claim 6, wherein the seal ring comprises an outer ring and an inner ring, the outer ring is fixedly connected to a surface of the outer ring, a seal groove corresponding to the inner ring is formed on a surface of the friction disc, and the inner ring is slidably connected to the seal groove.
8. The apparatus as claimed in claim 1, wherein the outer ring has an oil hole formed therein, the oil hole communicating with the oil chamber, and a sealing bolt disposed in the oil hole.
9. The damper device for a transmission according to claim 1, wherein a bore diameter of the third port is larger than a bore diameter of the second port.
10. The damper device for a transmission of claim 1, wherein there are four of the damper blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911398963.0A CN111120533B (en) | 2019-12-30 | 2019-12-30 | Buffer device for transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911398963.0A CN111120533B (en) | 2019-12-30 | 2019-12-30 | Buffer device for transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111120533A CN111120533A (en) | 2020-05-08 |
| CN111120533B true CN111120533B (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911398963.0A Active CN111120533B (en) | 2019-12-30 | 2019-12-30 | Buffer device for transmission |
Country Status (1)
| Country | Link |
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| CN (1) | CN111120533B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113533065B (en) * | 2021-07-15 | 2022-03-11 | 武汉吉欧信海洋科技股份有限公司 | In-situ soil external friction angle testing device and testing method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2245337A (en) * | 1990-05-31 | 1992-01-02 | Fichtel & Sachs Ag | Torsional vibration damper having a hydraulic damping arrangement |
| JPH04101844U (en) * | 1991-02-08 | 1992-09-02 | 本田技研工業株式会社 | variable inertia flywheel |
| JP2002349672A (en) * | 2001-05-29 | 2002-12-04 | Mitsubishi Motors Corp | Noise reduction device of gear |
| DE102014209570A1 (en) * | 2014-05-20 | 2015-11-26 | Schaeffler Technologies AG & Co. KG | torsional vibration dampers |
| CN209557524U (en) * | 2019-01-29 | 2019-10-29 | 江苏名豪汽车零部件有限公司 | A kind of clutch driven plate with shock-absorbing function |
| CN110410582A (en) * | 2019-08-21 | 2019-11-05 | 盐城市高跃机械有限公司 | Underground garage para-seismic support for pipes |
-
2019
- 2019-12-30 CN CN201911398963.0A patent/CN111120533B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2245337A (en) * | 1990-05-31 | 1992-01-02 | Fichtel & Sachs Ag | Torsional vibration damper having a hydraulic damping arrangement |
| JPH04101844U (en) * | 1991-02-08 | 1992-09-02 | 本田技研工業株式会社 | variable inertia flywheel |
| JP2002349672A (en) * | 2001-05-29 | 2002-12-04 | Mitsubishi Motors Corp | Noise reduction device of gear |
| DE102014209570A1 (en) * | 2014-05-20 | 2015-11-26 | Schaeffler Technologies AG & Co. KG | torsional vibration dampers |
| CN209557524U (en) * | 2019-01-29 | 2019-10-29 | 江苏名豪汽车零部件有限公司 | A kind of clutch driven plate with shock-absorbing function |
| CN110410582A (en) * | 2019-08-21 | 2019-11-05 | 盐城市高跃机械有限公司 | Underground garage para-seismic support for pipes |
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| Publication number | Publication date |
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| CN111120533A (en) | 2020-05-08 |
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