CN112146876A - Push rod displacement monitoring mechanism of vehicle clutch - Google Patents
Push rod displacement monitoring mechanism of vehicle clutch Download PDFInfo
- Publication number
- CN112146876A CN112146876A CN202011001700.4A CN202011001700A CN112146876A CN 112146876 A CN112146876 A CN 112146876A CN 202011001700 A CN202011001700 A CN 202011001700A CN 112146876 A CN112146876 A CN 112146876A
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- China
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- push rod
- limiting groove
- follower
- connecting rod
- monitoring mechanism
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/022—Power-transmitting couplings or clutches
Abstract
The invention provides a push rod displacement monitoring mechanism of a vehicle clutch, which comprises a clutch and a push rod, wherein the push rod is slidably arranged on a shell of the clutch, the push rod receives the thrust transmitted by a clutch pedal and extrudes a diaphragm spring of the clutch to generate deformation. The push rod displacement monitoring mechanism can solve the problems that the existing push rod displacement monitoring mechanism is not compact enough in structure and the detection precision needs to be improved.
Description
Technical Field
The invention belongs to the technical field of clutches, and particularly relates to a push rod displacement monitoring mechanism of a vehicle clutch.
Background
Clutches are common components in automotive mechanical transmissions and are located in a flywheel housing between the engine and the transmission, and the driver may depress or release a clutch pedal to disengage or engage the engine and transmission from one another. The basic requirements for a vehicle clutch are: the power transmission performance is stable and reliable, the connection is stable, and the separation is rapid and thorough; the adjustment and the repair are convenient; the size is small, and the structure is compact; the wear resistance is good and the heat dissipation capacity is enough; convenient operation and labor saving, etc.
The power transmission performance of the clutch is a key requirement of the quality of the clutch, the power transmission condition of the clutch in the separation and combination processes can be researched by monitoring the displacement of a push rod of the clutch, the conventional push rod displacement detection mechanism is generally characterized in that a linear displacement sensor parallel to the push rod is arranged on the push rod to detect the moving stroke of the push rod, and the linear displacement sensor is of a long rod-shaped structure, so that the linear displacement sensor occupies a large space. In addition, the vibration phenomenon is inevitable in the driving process of the vehicle, and the linear displacement sensor and the push rod are both long-strip-shaped and have a gap between the linear displacement sensor and the push rod, so that relative vibration is easily generated, and the detection precision is reduced.
Disclosure of Invention
The invention aims to provide a push rod displacement monitoring mechanism of a vehicle clutch, which aims to solve the problems that the space of the existing push rod displacement monitoring mechanism is not compact enough and the detection precision needs to be improved.
The invention provides the following technical scheme:
a push rod displacement monitoring mechanism of a vehicle clutch comprises the clutch and a push rod, the push rod is arranged on the clutch in a sliding way, the push rod receives the thrust transmitted by the clutch pedal to press the diaphragm spring of the clutch to generate deformation, and also comprises a rotary column and an encoder, the rotary column is rotatably arranged on a bracket of the chassis and is positioned at the side edge of the push rod, an encoder for detecting the rotation angle of the rotary column is arranged on the rotary column, a connecting rod is arranged in the center of the top end of the rotary column, the other end of the connecting rod is provided with a follower, an arc-shaped main limiting groove matched with the follower is formed on the push rod, the main limiting groove and the rotary column are concentric, the follower is inserted into the main limiting groove, when the push rod is translated, the follower of the connecting rod makes an arc-shaped motion track along the main limiting groove to drive the rotary column to rotate.
Preferably, the follower is a cam follower, the follower is hinged to the connecting rod, and the follower is in rolling friction with the side wall of the main limit groove.
Furthermore, the bottom of the main limiting groove is communicated with a Z-axis limiting groove, the Z-axis limiting groove is an arc-shaped groove which is concentric with the main limiting groove, and the cross section formed by the main limiting groove and the Z-axis limiting groove is in an inverted T shape; and a limiting wheel extending into the Z-axis limiting groove is coaxially arranged at the bottom of the follower.
Preferably, a gap is reserved between the limiting wheel and the side wall of the Z-axis limiting groove.
Preferably, the top of the push rod is provided with a horizontal convex surface, the convex surface can be integrally formed with the push rod, and can also be welded or screwed on the push rod, and the convex surface is provided with the main limiting groove.
One alternative scheme is that an air pipe and nozzles which are connected with each other are fixed on the connecting rod, compressed air is introduced into the air pipe, the two nozzles are respectively positioned on the left side and the right side of the follower, and the nozzles can blow air into the main limiting groove to perform blowing and dust removal.
Another alternative is that an organ-pleated dust cover is mounted on the convex surface, the dust cover is made of flexible waterproof fabric, the dust cover covers the main limiting groove, one end of the dust cover is fixed at the arc-shaped end of the main limiting groove, the other end of the dust cover is fixed on the connecting rod, and the dust cover can be stretched or folded when the connecting rod rotates.
Preferably, two dust covers are symmetrically arranged on the convex surface, and the connecting rod can stretch the dust covers on two sides of the connecting rod in a staggered mode.
The invention has the beneficial effects that:
the invention installs a rotary column beside a push rod, a connecting rod is installed in the center of the top of the rotary column, a follower is arranged at the end part of the connecting rod, an arc-shaped main limiting groove is arranged on the push rod, the follower is arranged in the main limiting groove, when the push rod is pushed by the action of a clutch, the follower moves along the main limiting groove under the thrust action of the push rod to rotate the connecting rod, the connecting rod drives the rotary column to synchronously rotate, an encoder on the rotary column monitors the rotating angle of the rotary column in real time, the translation distance of the push rod is obtained by conversion according to the angle, a corresponding operation is carried out on a gearbox according to the distance, or the distance data is sent to a central console screen in a vehicle, and the moving distance of the push rod is.
According to the invention, a structure that the rotary column is matched with the encoder is adopted to replace a linear displacement sensor, when the push rod moves, the position of the rotary column is kept still, and only rotation is needed, so that the space occupied by a detection part is reduced, and the structure of the mechanism is more compact; in addition, the rotary column of the mechanism is connected with the push rod at a fixed distance through the connecting rod, relative vibration is not easy to generate between the rotary column and the push rod, errors caused by accumulation of relative vibration between the push rod and the detection component are reduced, and therefore detection precision is high.
The invention utilizes the main limit groove to guide and limit the connecting rod, converts the horizontal movement of the push rod into the rotary motion of the rotary column, and improves the signal delay phenomenon in the traditional detection due to the mechanical connection transmission among all the parts, so the detection result is sensitive. The invention can realize accurate displacement detection only through simple structural improvement and is suitable for popularization.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of embodiment 1 of the present invention;
FIG. 2 is a schematic view of a connecting structure between a connecting rod and a push rod according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Labeled as: 1. a clutch; 2. a push rod; 3. turning the column; 4. an encoder; 5. separating the rocker arm; 6. a diaphragm spring; 7. a support; 8. a connecting rod; 9. a follower; 10. a primary limit groove; a Z-axis limiting groove; 12. a limiting wheel; 13. a convex surface; 14. an air tube; 15. a nozzle; 16. a positioning groove; 17. a dust cover.
Detailed Description
Example 1
As shown in fig. 1 and 2, a push rod displacement monitoring mechanism of a vehicle clutch comprises a clutch 1, a push rod 2, a rotary column 3 and an encoder 4, wherein the push rod 2 is slidably mounted on the clutch 1, the push rod 2 is connected with a separation rocker arm 5 of the clutch, and the push rod 2 can receive the thrust transmitted by a clutch pedal and the separation rocker arm 5 to press a diaphragm spring 6 of the clutch to generate deformation. The rotary column 3 is rotatably mounted on a bracket 7 of a vehicle chassis, the rotary column 3 is positioned at the side of the push rod 2, an encoder 4 for detecting the rotation angle of the rotary column 3 is mounted on the rotary column 3, the top center key of the rotary column 3 is connected with a connecting rod 8, the other end of the connecting rod 8 is provided with a follower 9, an arc-shaped main limiting groove 10 matched with the follower 9 is formed on the push rod 2, the main limiting groove 10 is concentric with the rotary column 3, the follower 9 is inserted into the main limiting groove 10, when the push rod 2 is translated, the follower 9 of the connecting rod 8 makes an arc-shaped motion track along the main limiting groove 10 to drive the rotary column 3 to rotate, the encoder 4 detects the rotation angle of the rotary column 3, the encoder 4 is electrically connected with a traveling computer of an automobile, and the traveling computer can calculate the translation distance of the push rod 2 according to a sine formula under the premise that the rotation angle (namely the center angle), controlling the clutch and the gearbox to make corresponding matching actions in the gear shifting process according to the distance data; in addition, for a manual gear automobile, the driving computer can also send the distance data to a screen of a central console in the automobile so as to display the moving distance of the push rod 2 and the combination state of the clutch corresponding to the distance for the driver to refer to, and the driver judges the combination state of the clutch according to the moving distance of the push rod 2, so that the driving process of the automobile is controlled more accurately, the data provides auxiliary judgment and prompt effects for a novice driver, and the foot feeling can be cultured quickly. It should be noted that, due to the limiting effect of the main limiting groove 10 on the connecting rod 8, when the push rod 2 is not moved, the connecting rod 8 cannot rotate freely, thereby ensuring the detection accuracy of the encoder 4.
Preferably, the follower 9 is a cam follower, and the follower 9 is hinged on the connecting rod 8, so that the follower 9 and the side wall of the main limit groove 10 are in rolling friction, and the connecting rod 8 can rotate more smoothly.
As shown in fig. 2, the bottom of the main limiting groove 10 is communicated with a Z-axis limiting groove 11, the Z-axis limiting groove 11 is an arc-shaped groove concentric with the main limiting groove 10, and the cross section formed by the main limiting groove 10 and the Z-axis limiting groove 11 is inverted T-shaped; the bottom of the follower 9 is coaxially provided with a limiting wheel 12 extending into the Z-axis limiting groove 11, and a gap is reserved between the limiting wheel 12 and the side wall of the Z-axis limiting groove 11. The limiting wheel 12 is matched with the Z-axis limiting groove 11 to limit the connecting rod 8 to rotate in the horizontal plane, so that the connecting rod 8 is prevented from shaking violently in the driving process of the vehicle and falling off from the main limiting groove 10. The limiting wheel can adopt a split structure, two semicircular wheel bodies are inserted into the Z-axis limiting groove 11 in sequence during assembly, and then the follower is tightly connected with the wheel bodies through screws.
The top of push rod 2 is equipped with horizontally convex surface 13, and this convex surface 13 can with push rod 2 integrated into one piece, also can weld or the spiro union on push rod 2, sets up main spacing groove 10 on the convex surface 13, and horizontally convex surface 13 makes the surface of main spacing groove 10 be the plane shape, and connecting rod 8 can slide along the surface of main spacing groove 10 steadily more, and this planar structure is convenient for bore and mill processing, the machining precision of the main spacing groove of accurate control.
In order to avoid dust accumulation in the main limiting groove 10 to influence the movement of the connecting rod 8, an air pipe 14 and a nozzle 15 which are connected with each other are fixed on the connecting rod 8 of the monitoring mechanism, the air pipe 14 is communicated with an air storage cylinder of the vehicle, the air storage cylinder supplies compressed air to the air pipe 14, the two nozzles 15 are respectively positioned at the left side and the right side of the follower 9, the on-off of air flow is controlled by the nozzle 15 through an electromagnetic valve, and the nozzle 15 can intermittently blow air into the main limiting groove 10 to perform blowing and dust removal. Positioning grooves 16 can be respectively processed at the left side and the right side of the connecting rod 8, and the air pipe 14 is fixed in the positioning grooves 16 in an embedded manner, so that the structure of the mechanism is more compact, and the air pipe 14 is not easy to wind or deform when the connecting rod rotates.
Example 2
The present embodiment is different from embodiment 1 in the dust-proof structure, as shown in fig. 3, the monitoring mechanism nails or bonds a bellows-shaped dust-proof cover 17 on the convex surface 13 of the connecting rod, the material of the dust-proof cover 17 is flexible waterproof fabric, the dust-proof cover 17 can cover the main limiting groove 10, wherein two dust-proof covers 17 are symmetrically installed on the convex surface 13, one end of the dust-proof cover 17 is fixed at the arc-shaped end of the main limiting groove 10, the other end is fixed on the connecting rod 8, and the dust-proof cover 17 can be alternately stretched or folded when the connecting rod 8 rotates, for example: when the connecting rod 8 folds the dust cover on the left side, the dust cover on the right side is automatically stretched by the connecting rod, so that the main limiting groove 10 is always covered by the dust cover 17, and dust is isolated from entering the groove.
The working principle is as follows:
when the push rod 2 receives the thrust transmitted by the clutch release rocker arm 5 and moves linearly, the end part of the connecting rod 8 automatically rotates along the main limiting groove 10 under the synergistic action of the cam follower and the main limiting groove 10, so that the rotary column 3 is driven to rotate synchronously, the encoder 4 monitors the rotation angle of the rotary column 3 in real time and sends the detection value to a traveling computer of the automobile, the traveling computer calculates the linear movement stroke of the push rod 2, and then the combination or separation degree of the clutch is judged, and the subsequent vehicle control operation can be further carried out manually or by the traveling computer according to the calculation value.
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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A push rod displacement monitoring mechanism of a vehicle clutch comprises the clutch and a push rod, the push rod is arranged on the clutch in a sliding way, the push rod receives the pushing force transmitted by the clutch pedal to press the diaphragm spring of the clutch to generate deformation, it is characterized by also comprising a rotary column and an encoder, wherein the rotary column is rotatably arranged on a bracket of the chassis, the rotary column is positioned at the side edge of the push rod, an encoder for detecting the rotation angle of the rotary column is arranged on the rotary column, a connecting rod is arranged in the center of the top end of the rotary column, a follower is arranged at the other end of the connecting rod, an arc-shaped main limiting groove matched with the follower is formed on the push rod, the main limiting groove and the rotary column are concentric, the follower is inserted into the main limiting groove, when the push rod is translated, the follower of the connecting rod makes an arc-shaped motion track along the main limiting groove to drive the rotary column to rotate.
2. The push rod displacement monitoring mechanism of a vehicular clutch according to claim 1, wherein the follower is a cam follower, the follower is hinged to the connecting rod, and the follower is in rolling friction with a side wall of the main limit groove.
3. The push rod displacement monitoring mechanism of the vehicle clutch according to claim 2, wherein a Z-axis limiting groove is communicated with the bottom of the main limiting groove, the Z-axis limiting groove is an arc-shaped groove concentric with the main limiting groove, and the cross section formed by the main limiting groove and the Z-axis limiting groove is inverted T-shaped; and a limiting wheel extending into the Z-axis limiting groove is coaxially arranged at the bottom of the follower.
4. The push rod displacement monitoring mechanism of a vehicular clutch according to claim 3, wherein a gap is left between the limit wheel and a side wall of the Z-axis limit groove.
5. The push rod displacement monitoring mechanism of a vehicle clutch according to claim 1, wherein a horizontal convex surface is configured on the top of the push rod, and the main limit groove is arranged on the convex surface.
6. The push rod displacement monitoring mechanism of a vehicular clutch according to claim 1, wherein the connecting rod is fixed with an air pipe and nozzles connected with each other, the air pipe is filled with compressed air, the two nozzles are respectively positioned at the left side and the right side of the follower, and the nozzles can spray air into the main limiting groove to perform blowing and dust removal.
7. The push rod displacement monitoring mechanism of a vehicular clutch according to claim 6, wherein positioning grooves are respectively formed on left and right sides of the connecting rod, and the air pipe is fixed in the positioning grooves in an embedded manner.
8. The push rod displacement monitoring mechanism of the vehicular clutch as claimed in claim 5, wherein the convex surface is provided with an accordion-pleated dust cover, the dust cover is made of flexible waterproof fabric, the dust cover covers the primary limiting groove, one end of the dust cover is fixed at the arc-shaped end of the primary limiting groove, the other end of the dust cover is fixed on the connecting rod, and the dust cover can be stretched or folded when the connecting rod rotates.
9. The push rod displacement monitoring mechanism of a vehicular clutch according to claim 8, wherein two dust covers are symmetrically mounted on the convex surface, and the connecting rod can alternately extend the dust covers on both sides of the connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011001700.4A CN112146876B (en) | 2020-09-22 | 2020-09-22 | Push rod displacement monitoring mechanism of clutch for vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011001700.4A CN112146876B (en) | 2020-09-22 | 2020-09-22 | Push rod displacement monitoring mechanism of clutch for vehicle |
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| Publication Number | Publication Date |
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| CN112146876A true CN112146876A (en) | 2020-12-29 |
| CN112146876B CN112146876B (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011001700.4A Active CN112146876B (en) | 2020-09-22 | 2020-09-22 | Push rod displacement monitoring mechanism of clutch for vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116907403A (en) * | 2023-09-13 | 2023-10-20 | 哈尔滨船舶锅炉涡轮机研究所(中国船舶集团有限公司第七0三研究所) | Continuous displacement measuring device for large-stroke sliding assembly of synchronous automatic clutch |
| CN117128258A (en) * | 2023-10-27 | 2023-11-28 | 万向钱潮股份公司 | Cam clutch and monitoring method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201009727Y (en) * | 2007-02-12 | 2008-01-23 | 重庆长安汽车股份有限公司 | Clutch automatic control mechanism of hybrid drive car |
| CN101852255A (en) * | 2010-05-21 | 2010-10-06 | 北京工业大学 | Electric operator for general-purpose mechanical automatic transmission clutch |
| CN201955190U (en) * | 2010-12-30 | 2011-08-31 | 神龙汽车有限公司 | Automobile clutch pedal detecting instrument |
| CN103603890A (en) * | 2013-11-08 | 2014-02-26 | 南宁市西真电子科技开发有限公司 | Actuating mechanism of hydraulic automatic clutch |
| CN105402273A (en) * | 2015-12-22 | 2016-03-16 | 武汉理工通宇新源动力有限公司 | Motor-driven hydraulic clutch and automobile |
| CN106338394A (en) * | 2016-10-21 | 2017-01-18 | 合肥工业大学 | Testing machine for testing displacement and transmission torque during clutch process of clutch |
| CN107464491A (en) * | 2017-07-18 | 2017-12-12 | 南京理工大学 | Cam mechanism experimental bench is used in one kind teaching |
| CN110805629A (en) * | 2019-11-29 | 2020-02-18 | 长春一东离合器股份有限公司苏州研发中心 | Push-type clutch actuating system |
| CN211255024U (en) * | 2019-11-13 | 2020-08-14 | 巩义市建设机械制造有限公司 | Crane stroke limiter |
-
2020
- 2020-09-22 CN CN202011001700.4A patent/CN112146876B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201009727Y (en) * | 2007-02-12 | 2008-01-23 | 重庆长安汽车股份有限公司 | Clutch automatic control mechanism of hybrid drive car |
| CN101852255A (en) * | 2010-05-21 | 2010-10-06 | 北京工业大学 | Electric operator for general-purpose mechanical automatic transmission clutch |
| CN201955190U (en) * | 2010-12-30 | 2011-08-31 | 神龙汽车有限公司 | Automobile clutch pedal detecting instrument |
| CN103603890A (en) * | 2013-11-08 | 2014-02-26 | 南宁市西真电子科技开发有限公司 | Actuating mechanism of hydraulic automatic clutch |
| CN105402273A (en) * | 2015-12-22 | 2016-03-16 | 武汉理工通宇新源动力有限公司 | Motor-driven hydraulic clutch and automobile |
| CN106338394A (en) * | 2016-10-21 | 2017-01-18 | 合肥工业大学 | Testing machine for testing displacement and transmission torque during clutch process of clutch |
| CN107464491A (en) * | 2017-07-18 | 2017-12-12 | 南京理工大学 | Cam mechanism experimental bench is used in one kind teaching |
| CN211255024U (en) * | 2019-11-13 | 2020-08-14 | 巩义市建设机械制造有限公司 | Crane stroke limiter |
| CN110805629A (en) * | 2019-11-29 | 2020-02-18 | 长春一东离合器股份有限公司苏州研发中心 | Push-type clutch actuating system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116907403A (en) * | 2023-09-13 | 2023-10-20 | 哈尔滨船舶锅炉涡轮机研究所(中国船舶集团有限公司第七0三研究所) | Continuous displacement measuring device for large-stroke sliding assembly of synchronous automatic clutch |
| CN116907403B (en) * | 2023-09-13 | 2024-03-01 | 哈尔滨船舶锅炉涡轮机研究所(中国船舶集团有限公司第七0三研究所) | Continuous displacement measuring device for large-stroke sliding assembly of synchronous automatic clutch |
| CN117128258A (en) * | 2023-10-27 | 2023-11-28 | 万向钱潮股份公司 | Cam clutch and monitoring method |
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| CN112146876B (en) | 2022-05-24 |
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