CN113153933A - Hydraulic clutch power assisting device of tractor - Google Patents
Hydraulic clutch power assisting device of tractor Download PDFInfo
- Publication number
- CN113153933A CN113153933A CN202110398916.7A CN202110398916A CN113153933A CN 113153933 A CN113153933 A CN 113153933A CN 202110398916 A CN202110398916 A CN 202110398916A CN 113153933 A CN113153933 A CN 113153933A
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- China
- Prior art keywords
- cylinder body
- pedal
- cylinder
- piston rod
- piston
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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
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D48/04—Control by fluid pressure providing power assistance
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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
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0227—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices
- F16D2048/023—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices by pedal actuation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a hydraulic clutch power assisting device of a tractor, which comprises a cylinder body, wherein a check ring is fixedly installed at the top of the cylinder body, a protective cover is arranged at the top of the cylinder body, a push rod is fixedly installed inside the top end of the cylinder body, a piston is installed inside the cylinder body, a first spring is fixedly installed at the bottom end inside the cylinder body, an oil outlet is fixedly connected to the bottom of one side of the cylinder body, an oil inlet is fixedly connected to the other side of the cylinder body, a compensation port is fixedly connected to one side of the cylinder body, a piston rod is installed at the bottom of the cylinder body, a rocker arm is fixedly installed at the bottom of the piston rod, and a pedal is fixedly installed at one end of the rocker arm. This kind of tractor hydraulic pressure separation and reunion booster unit is not destroying the mechanical separation and reunion of former car, not only can increase the moment of torsion reserve coefficient of clutch, has good manipulation travelling comfort moreover, can effectively reduce driver's intensity of labour, greatly increased the manipulation travelling comfort of tractor.
Description
Technical Field
The invention relates to the field of tractor hydraulic clutch equipment, in particular to a tractor hydraulic clutch power assisting device.
Background
At present, clutch control of most tractors is mechanical action, but with continuous improvement of tractor power, the requirement on the torque transmission capacity of a clutch is higher and higher, and to increase the torque reserve coefficient of the clutch, methods of increasing the diameter of a clutch friction plate, increasing the pressing force of a disc spring and the like are generally adopted.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides a hydraulic clutch power assisting device for a tractor, which solves the problem of impracticality presented in the background art.
In order to achieve the above and other related objects, the invention provides a hydraulic clutch booster for a tractor, comprising a cylinder body, wherein a retainer ring is fixedly installed at the top of the cylinder body, a protective cover is arranged at the top of the cylinder body, a push rod is fixedly installed inside the top end of the cylinder body, a piston is fixedly installed inside the cylinder body, a first spring is fixedly installed at the bottom end inside the cylinder body, an oil outlet is fixedly connected at the bottom of one side of the cylinder body, an oil inlet is fixedly connected at the other side of the cylinder body, a compensation port is fixedly connected at one side of the cylinder body, a piston rod is installed at the bottom of the cylinder body, a rocker arm is fixedly installed at the bottom of the piston rod, a pedal and a connecting rod are fixedly installed at one end of the rocker arm far away from the piston rod, a cylinder sleeve is fixedly connected at one side of the piston rod, a shell is fixedly installed at the top of the cylinder sleeve, and a through hole is formed at the top of one end of the cylinder sleeve, the cylinder liner and the casing are communicated through a through hole, a piston body is movably connected inside the cylinder liner, a movable rod is fixedly connected to one side of the piston body, one end of the movable rod is movably hinged to a connecting rod, a second spring is sleeved on the surface of the movable rod in a movable mode, and hydraulic oil is arranged inside the casing.
Optionally, the pedal moves in a vertical direction close to the piston rod in a treading state, and drives the connecting rod and the movable rod to move in a vertical direction away from the piston rod and simultaneously extrude the second spring;
the pedal is far away from the vertical direction movement of the piston rod when being restored to the initial state from the treading state, and drives the connecting rod and the movable rod to move close to the vertical direction movement of the piston rod, and meanwhile, the extrusion to the second spring is reduced.
Optionally, when the pedal is in a stepping state, the linear distance between the pedal and the piston rod is gradually reduced, and the hydraulic oil gradually flows into the cylinder sleeve from the shell;
when the pedal is restored to the initial state from the treading state, the linear distance between the pedal and the piston rod is gradually reduced, and the hydraulic oil gradually flows into the shell from the cylinder sleeve.
Optionally, the oil outlet, the oil inlet and the compensation port are the same in shape and size, and the oil inlet is located right below the compensation port.
Optionally, the bottom of the housing is inclined, and the housing is communicated with the cylinder sleeve.
Optionally, the piston body is an elastic rubber plug, and one end of the movable rod extends to the outside of the cylinder sleeve.
Optionally, one end of the second spring is overlapped with the inner wall of one side of the cylinder sleeve, and the other end of the second spring is overlapped with one side of the piston body.
As described above, the invention provides a hydraulic clutch power assisting device for a tractor, which has the following beneficial effects: the invention has simple, stable and reliable structure, is improved on the basis of the original mechanical clutch, can be directly additionally installed, can increase the torque reserve coefficient of the clutch, reduce the pedal treading force by more than 90 percent, and realize easy and stable control of the clutch, thereby ensuring that the tractor has good operation comfort, effectively reducing the labor intensity of a driver and greatly increasing the operation reliability of the tractor.
Drawings
Fig. 1 is a schematic overall structure diagram of a tractor hydraulic clutch power assisting device.
Fig. 2 is a structural section view of a hydraulic clutch power assisting device of a tractor.
Fig. 3 is a sectional view of a cylinder sleeve structure in the hydraulic clutch power assisting device of the tractor.
In the figure: 1. a cylinder body; 2. a retainer ring; 3. a protective cover; 4. a push rod; 5. a piston; 6. a first spring; 7. an oil outlet; 8. an oil inlet; 9. a compensation port; 10. a piston rod; 11. a rocker arm; 12. a pedal; 13. a connecting rod; 14. a cylinder liner; 15. a housing; 16. a through hole; 17. a piston body; 18. a movable rod; 19. a second spring; 20. and (5) hydraulic oil.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, the invention provides a hydraulic clutch power assisting device for a tractor, which comprises a cylinder body 1, wherein a retainer ring 2 is fixedly installed at the top of the cylinder body 1, a protective cover 3 is arranged at the top of the cylinder body 1, a push rod 4 is fixedly installed inside the top end of the cylinder body 1, a piston 5 is fixedly installed inside the cylinder body 1, a first spring 6 is fixedly installed at the bottom end inside the cylinder body 1, an oil outlet 7 is fixedly connected to the bottom of one side of the cylinder body 1, an oil inlet 8 is fixedly connected to the other side of the cylinder body 1, a compensation port 9 is fixedly connected to one side of the cylinder body 1, a piston rod 10 is installed at the bottom of the cylinder body 1, a rocker arm 11 is fixedly installed at the bottom of the piston rod 10, a pedal 12 and a connecting rod 13 are fixedly installed at one end of the rocker arm 11, a cylinder sleeve 14 is fixedly connected to one side of the piston rod 10, a shell 15 is fixedly installed at the top of the cylinder sleeve 14, a through hole 16 is formed at the top of one end of the cylinder sleeve 14, the cylinder sleeve 14 is communicated with the shell 15 through a through hole 16, a piston body 17 is movably connected inside the cylinder sleeve 14, a movable rod 18 is fixedly connected to one side of the piston body 17, one end of the movable rod 18 is movably hinged to the connecting rod 13, a second spring 19 is movably sleeved on the surface of the movable rod 18, and hydraulic oil 20 is arranged inside the shell 15.
The invention can not destroy the mechanical clutch of the original vehicle, not only increase the torque reserve coefficient of the clutch, but also have good operation comfort, effectively reduce the labor intensity of the driver, and greatly increase the operation comfort of the tractor.
In the embodiment of the present application, the pedal 12 moves close to the vertical direction of the piston rod 10 in a stepping state, and drives the connecting rod 13 and the movable rod 18 to move in the vertical direction away from the piston rod 10, and simultaneously presses the second spring 19;
when the pedal 12 is restored to the initial state from the step-on state, the pedal moves away from the vertical direction of the piston rod 10, and drives the connecting rod 13 and the movable rod 18 to move close to the vertical direction of the piston rod 10, and meanwhile, the extrusion to the second spring 19 is reduced.
In the embodiment of the present application, when the pedal 12 is in a stepping state, the linear distance between the pedal 12 and the piston rod 10 gradually decreases, and the hydraulic oil 20 gradually flows into the cylinder sleeve 14 from the housing 15;
when the pedal 12 is restored to the initial state from the stepping state, the linear distance between the pedal 12 and the piston rod 10 is gradually reduced, and the hydraulic oil 20 gradually flows into the housing 15 from the cylinder sleeve 14.
In the embodiment of this application, be provided with the leather cup between cylinder body 1 and the piston 5, improve sealed effect through setting up the leather cup, avoid the inside oil leak phenomenon that appears of cylinder body 1.
In the embodiment of the application, the oil outlet 7, the oil inlet 8 and the compensation port 9 are the same in shape and size, the oil inlet 8 is located under the compensation port 9, and the mechanical oil can smoothly circulate and the reasonable and safe use of the clutch is improved through the mutual matching of all the components.
In the embodiment of the present application, the bottom of the casing 15 is inclined, and the casing 15 is communicated with the cylinder sleeve 14, which is beneficial to the circulation of hydraulic oil 20, so as to realize the uniform lifting of the pedal 12.
In the embodiment of the present application, the piston body 17 is an elastic rubber plug, and can be tightly attached to the inner wall of the cylinder sleeve 14, so as to prevent the hydraulic oil 20 from leaking, and one end of the movable rod 18 extends to the outside of the cylinder sleeve 14.
In the embodiment of the application, one end of the second spring 19 is overlapped with the inner wall of one side of the cylinder sleeve 14, the other end of the second spring 19 is overlapped with one side of the piston body 17, and through the elastic action of the second spring 19, all components can be matched and returned, so that the purpose of resetting the clutch is achieved.
The working principle is as follows: when the pedal 12 is stepped on, the connecting rod 13 can drive the movable rod 18 to extend and retract, so that the second spring 19 is compressed, the gap on the left side of the piston body 17 in the cylinder sleeve 14 is enlarged due to the transverse movement of the movable rod 18, further, the hydraulic oil 20 flows into the cylinder sleeve 14 from the through hole 16 to keep the pressure in the boosting cylinder sleeve, the mechanism is in a balanced state, when the pedal 12 is released by a driver, the pedal 12 returns under the action of the second spring 19, because the sectional area of the through hole 16 is limited, the hydraulic oil 20 is extruded back into the shell 15 under the action of the through hole 16, so that the whole cavity generates certain pressure, at the moment, the clutch starts to be combined, the lifting speed of the pedal 12 is uniform and controllable, the driver does not need to be in a clutch control state all the time, and the purpose of boosting is further achieved.
The invention has simple, stable and reliable structure, is improved on the basis of the original mechanical clutch, can be directly additionally installed, can increase the torque reserve coefficient of the clutch, reduce the pedal treading force by more than 90 percent, and realize easy and stable control of the clutch, thereby ensuring that the tractor has good operation comfort, effectively reducing the labor intensity of a driver and greatly increasing the operation reliability of the tractor.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a tractor hydraulic pressure separation and reunion booster unit, includes cylinder body (1), its characterized in that: the cylinder is characterized in that a check ring (2) is fixedly mounted at the top of the cylinder body (1), a protective cover (3) is arranged at the top of the cylinder body (1), a push rod (4) is fixedly mounted inside the top of the cylinder body (1), a piston (5) is fixedly mounted inside the cylinder body (1), a first spring (6) is fixedly mounted at the bottom end inside the cylinder body (1), an oil outlet (7) is fixedly connected to the bottom of one side of the cylinder body (1), an oil inlet (8) is fixedly connected to the other side of the cylinder body (1), a compensation port (9) is fixedly connected to one side of the cylinder body (1), a piston rod (10) is mounted at the bottom of the cylinder body (1), a rocker arm (11) is fixedly mounted at the bottom of the piston rod (10), a pedal (12) and a connecting rod (13) are fixedly mounted at one end, far away from the piston rod (10), of the rocker arm (11), one side fixedly connected with cylinder liner (14) of piston rod (10), the top fixed mounting of cylinder liner (14) has casing (15), through-hole (16) have been seted up at the top of cylinder liner (14) one end, cylinder liner (14) and casing (15) are through-hole (16) intercommunication, the inside swing joint of cylinder liner (14) has piston body (17), one side fixedly connected with movable rod (18) of piston body (17), the one end and the connecting rod (13) activity hinge joint of movable rod (18), the surperficial activity of movable rod (18) has cup jointed second spring (19), it has hydraulic oil (20) to fill in casing (15) and cylinder liner (14) and casing (15) through-hole (16) intercommunication part.
2. The hydraulic clutch power assisting device for the tractor according to claim 1, characterized in that: one end of the second spring (19) is overlapped with the inner wall of one side of the cylinder sleeve (14), and the other end of the second spring (19) is overlapped with one side of the piston body (17).
3. The hydraulic clutch power assisting device for the tractor according to claim 1, characterized in that:
a hinge hole is formed in the joint of the rocker arm (11), the pedal (12) and the connecting rod (13), and a hinge shaft is sleeved in the hinge hole;
when the pedal (12) moves around the hinge shaft, the far end of the rocker arm (11) and the far end of the connecting rod (13) are driven to move, the far end of the rocker arm (11) drives the piston rod (10) to move along the long axis direction of the piston rod, and the far end of the connecting rod (13) moves;
under the stepping state, the connecting rod (13) and the movable rod (18) are close to and driven to move towards the vertical direction far away from the piston rod (10), and the second spring (19) is extruded at the same time;
when the pedal (12) is restored to the initial state from the stepping state, the pedal moves away from the vertical direction of the piston rod (10), drives the connecting rod (13) and the movable rod (18) to move close to the vertical direction of the piston rod (10), and reduces the extrusion on the second spring (19) at the same time.
4. The hydraulic clutch power assisting device for the tractor according to claim 2, characterized in that: when the pedal (12) is in a stepping state, the linear distance between the pedal (12) and the piston rod (10) is gradually reduced, and the hydraulic oil (20) gradually flows into the cylinder sleeve (14) from the shell (15);
when the pedal (12) is restored to the initial state from the stepping state, the linear distance between the pedal (12) and the piston rod (10) is gradually reduced, and the hydraulic oil (20) gradually flows into the shell (15) from the cylinder sleeve (14).
5. The hydraulic clutch power assisting device for the tractor according to claim 1, characterized in that: the oil outlet (7), the oil inlet (8) and the compensation port (9) are identical in shape and size, and the oil inlet (8) is located right below the compensation port (9).
6. The hydraulic clutch power assisting device for the tractor according to claim 1, characterized in that: the bottom of the shell (15) is inclined, and the shell (15) is communicated with the cylinder sleeve (14).
7. The hydraulic clutch power assisting device for the tractor according to claim 4, characterized in that: the piston body (17) is elastic rubber stopper, and one end of movable rod (18) extends to the outside of cylinder liner (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110398916.7A CN113153933B (en) | 2021-04-14 | 2021-04-14 | Hydraulic clutch power assisting device of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110398916.7A CN113153933B (en) | 2021-04-14 | 2021-04-14 | Hydraulic clutch power assisting device of tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113153933A true CN113153933A (en) | 2021-07-23 |
| CN113153933B CN113153933B (en) | 2023-01-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110398916.7A Active CN113153933B (en) | 2021-04-14 | 2021-04-14 | Hydraulic clutch power assisting device of tractor |
Country Status (1)
| Country | Link |
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| CN (1) | CN113153933B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1094234A2 (en) * | 1999-10-22 | 2001-04-25 | Mannesmann Sachs Aktiengesellschaft | Disengaging device |
| CN102155502A (en) * | 2011-04-28 | 2011-08-17 | 天津市松正电动汽车技术股份有限公司 | Clutch control system with emergency pattern |
| CN202082313U (en) * | 2011-05-05 | 2011-12-21 | 北汽福田汽车股份有限公司 | Pneumatic power assisting device and automobile clutch system with same |
| CN104728309A (en) * | 2015-03-06 | 2015-06-24 | 洛阳市伟林液压机械有限公司 | Operating method for tractor clutch operating device with hydraulic assistance |
| US20170051788A1 (en) * | 2015-08-21 | 2017-02-23 | Board Of Regents, The University Of Texas System | Hybrid Foil Bearings Having Integrated Gas Flow Paths |
| CN107458222A (en) * | 2017-06-26 | 2017-12-12 | 东风(十堰)车身部件有限责任公司 | Double-spring structure clutch pedal servomechanism |
| CN107933301A (en) * | 2017-11-22 | 2018-04-20 | 安徽江淮汽车集团股份有限公司 | A kind of clutch pedal mechanism and there is its vehicle |
| CN208702967U (en) * | 2018-08-24 | 2019-04-05 | 玉环奥恒机械有限公司 | Servohydraulic cylinder |
| CN110925330A (en) * | 2019-11-29 | 2020-03-27 | 安徽江淮汽车集团股份有限公司 | Clutch master cylinder and vehicle |
| CN210461462U (en) * | 2019-08-16 | 2020-05-05 | 山推工程机械股份有限公司 | Vehicle main clutch system and vehicle |
| CN210852054U (en) * | 2019-07-15 | 2020-06-26 | 北京汽车股份有限公司 | Damping mechanism for clutch pedal of vehicle and vehicle |
| CN111350774A (en) * | 2018-12-20 | 2020-06-30 | 北汽福田汽车股份有限公司 | Piston cylinder and vehicle |
-
2021
- 2021-04-14 CN CN202110398916.7A patent/CN113153933B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1094234A2 (en) * | 1999-10-22 | 2001-04-25 | Mannesmann Sachs Aktiengesellschaft | Disengaging device |
| CN102155502A (en) * | 2011-04-28 | 2011-08-17 | 天津市松正电动汽车技术股份有限公司 | Clutch control system with emergency pattern |
| CN202082313U (en) * | 2011-05-05 | 2011-12-21 | 北汽福田汽车股份有限公司 | Pneumatic power assisting device and automobile clutch system with same |
| CN104728309A (en) * | 2015-03-06 | 2015-06-24 | 洛阳市伟林液压机械有限公司 | Operating method for tractor clutch operating device with hydraulic assistance |
| US20170051788A1 (en) * | 2015-08-21 | 2017-02-23 | Board Of Regents, The University Of Texas System | Hybrid Foil Bearings Having Integrated Gas Flow Paths |
| CN107458222A (en) * | 2017-06-26 | 2017-12-12 | 东风(十堰)车身部件有限责任公司 | Double-spring structure clutch pedal servomechanism |
| CN107933301A (en) * | 2017-11-22 | 2018-04-20 | 安徽江淮汽车集团股份有限公司 | A kind of clutch pedal mechanism and there is its vehicle |
| CN208702967U (en) * | 2018-08-24 | 2019-04-05 | 玉环奥恒机械有限公司 | Servohydraulic cylinder |
| CN111350774A (en) * | 2018-12-20 | 2020-06-30 | 北汽福田汽车股份有限公司 | Piston cylinder and vehicle |
| CN210852054U (en) * | 2019-07-15 | 2020-06-26 | 北京汽车股份有限公司 | Damping mechanism for clutch pedal of vehicle and vehicle |
| CN210461462U (en) * | 2019-08-16 | 2020-05-05 | 山推工程机械股份有限公司 | Vehicle main clutch system and vehicle |
| CN110925330A (en) * | 2019-11-29 | 2020-03-27 | 安徽江淮汽车集团股份有限公司 | Clutch master cylinder and vehicle |
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| Publication number | Publication date |
|---|---|
| CN113153933B (en) | 2023-01-10 |
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