CN105179686A - Gear locking mechanism, speed changer gear shifting protecting mechanism based on gear locking mechanism and work method - Google Patents
Gear locking mechanism, speed changer gear shifting protecting mechanism based on gear locking mechanism and work method Download PDFInfo
- Publication number
- CN105179686A CN105179686A CN201510633794.XA CN201510633794A CN105179686A CN 105179686 A CN105179686 A CN 105179686A CN 201510633794 A CN201510633794 A CN 201510633794A CN 105179686 A CN105179686 A CN 105179686A
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- CN
- China
- Prior art keywords
- clutch
- locking mechanism
- wheel cylinder
- gear level
- horizontal gear
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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.)
- Pending
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Classifications
-
- 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
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/34—Locking or disabling mechanisms
- F16H63/3416—Parking lock mechanisms or brakes in the transmission
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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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a gear locking mechanism, a speed changer gear shifting protecting mechanism based on the gear locking mechanism and a work method. After a clutch booster pump controls a clutch to be disengaged by treading a clutch pedal, a gas outlet of the clutch booster pump can generate gas pressure; the clutch booster pump enters a front end cavity and pushes a piston ejector rod to move to a rear end cavity; the piston ejector rod leaves a groove in a transverse gear shifting rod shaft; and the transverse gear shifting rod shaft is unlocked. The speed changer gear shifting protecting mechanism based on the gear locking mechanism can restrain a driver, potential safety hazards of mistaken operation of a driver are fundamentally avoided, and therefore a speed changing box is protected, after-sales service cost can be reduced, and product reputation can be improved.
Description
[technical field]
The invention belongs to speed changer field, be specifically related to a kind of locking mechanism and based on the shift of transmission protection mechanism of this mechanism and method of work.
[background technique]
Mechanical gearbox, when converting gear, needs driver's let slip the clutch to disconnect the connection with motor, then carries out gear shift operation.With the mechanical gearbox of synchronizer, if do not step on clutch when shifting gears, great bodily injury will be caused to synchronizer, even directly damage synchronizer, and then cause more serious accident.
The specification gear shifting action of current mechanical transmission relies on realizing from row constraint of driver, can not get rid of the possibility of misoperation, there is hidden danger.
[summary of the invention]
The object of the invention is to overcome above-mentioned deficiency; there is provided a kind of locking mechanism and based on the shift of transmission protection mechanism of this mechanism and method of work; constraint driver is when wanting to perform gear shifting action; must step on clutch could with comparatively low force amount realization gearshift; if do not step on clutch, then need very great just can complete gearshift.
In order to achieve the above object, a kind of locking mechanism, comprise horizontal gear level axle and gearshift assembly, horizontal gear level axle is connected with horizontal gear level and shifting block, horizontal gear level axle offers three grooves, gearshift assembly comprises housing, and from housing stretch out all can with the piston mandril of three groove fit, piston mandril is the cross structure that housing can be separated into two cavitys, suction port is offered on the front end cavity of horizontal gear level axle, rear end cavity offers ventilating hole, the return spring be connected with piston mandril is provided with in the cavity of rear end.
Three grooves that described horizontal gear level axle is offered longitudinally are disposed on the same plane.
The position of described piston mandril and body contact all adopts to seal and arranges.
Described suction port and vent are arranged on the same face of housing.
Based on the shift of transmission protection mechanism of locking mechanism; comprise clutch pedal; clutch pedal connects clutch power-assisted master cylinder; clutch power-assisted master cylinder connects clutch power-assisted wheel cylinder; clutch power-assisted wheel cylinder solenoidoperated cluthes are separated; clutch power-assisted wheel cylinder has point pump steam inlet and wheel cylinder air outlet, and wheel cylinder air outlet is communicated with the suction port of locking mechanism assembly.
Described clutch power-assisted wheel cylinder can solenoidoperated cluthes disengaging yoke, clutch release fork solenoidoperated cluthes release bearing (4), and clutch release bearing controlling diaphragm flat spring drives clutch compressing disc contact with clutch friction plate or be separated.
Described point of pump steam inlet connects speed changer air filter.
Based on a method of work for the shift of transmission protection mechanism of locking mechanism, comprise the following steps:
Step one, let slip the clutch, the clutch pedal hydraulic oil compressed in clutch power-assisted master cylinder enters clutch power-assisted wheel cylinder, and clutch power-assisted wheel cylinder realizes the separation of clutch;
Step 2, after clutch is separated completely, the wheel cylinder air outlet of clutch power-assisted wheel cylinder has air pressure, and gas enters the front end cavity of locking mechanism assembly;
Step 3, gas promotes piston mandril cavity motion to the back-end in the cavity of front end, and make piston mandril leave the groove of horizontal gear level axle, horizontal gear level axle can be shifted gears by horizontal gear level and shifting block.
If release the clutch pedal, the wheel cylinder air outlet of clutch power-assisted wheel cylinder does not have air pressure, and the piston mandril of locking mechanism assembly heads in the groove of horizontal gear level axle, makes piston mandril block horizontal gear level axle, realizes backset.
Compared with prior art, locking mechanism of the present invention, can by inflating in the cavity of front end, make piston mandril to the back-end cavity move, reach the function unlocking gear, if do not inflate in the cavity of front end, then keep lock state, mechanism can keep lock state in its natural state always, unlocks after inflation always, structure is simple, stable.
Further, the position of piston mandril of the present invention and body contact all adopts to seal and arranges, and fully can ensure the utilization rate of gas, increase work efficiency.
Shift of transmission protection mechanism based on locking mechanism of the present invention, after clutch power-assisted pump solenoidoperated cluthes can being separated by let slip the clutch, the air outlet of clutch power-assisted pump is made to produce air pressure, enter front end cavity and promote piston mandril cavity motion to the back-end, piston mandril leaves the groove on horizontal gear level axle, unlock horizontal gear level axle, shift of transmission protection mechanism based on locking mechanism of the present invention, the constraint to driver can be realized, the hidden danger of driver's misoperation is avoided from structure, thus the protection achieved gearbox, and then can after service cost be reduced, improve product reputation.
[accompanying drawing explanation]
Fig. 1 is the structural representation of locking mechanism of the present invention;
Fig. 2 is the structural representation of the shift of transmission protection mechanism that the present invention is based on locking mechanism.
[embodiment]
Below in conjunction with accompanying drawing, the present invention will be further described.
See Fig. 1, a kind of locking mechanism, comprise horizontal gear level axle 19 and gearshift assembly 12, horizontal gear level axle 19 is connected with horizontal gear level and shifting block 11, horizontal gear level axle 19 offers three grooves 20, gearshift assembly 12 comprises housing 15, and the piston mandril 21 that all can coordinate with three grooves 20 is stretched out from housing 15, piston mandril 21 is the cross structure that housing 15 can be separated into two cavitys, suction port 17 is offered on the front end cavity of horizontal gear level axle 19, rear end cavity offers ventilating hole 18, the return spring 14 be connected with piston mandril 13 is provided with in rear end cavity 18, three grooves 20 that horizontal gear level axle 19 is offered longitudinally are disposed on the same plane, the position that piston mandril 21 contacts with housing 15 all adopts to seal and arranges, suction port 17 and vent 18 are arranged on the same face of housing 15.
See Fig. 2, based on the shift of transmission protection mechanism of locking mechanism, comprise clutch pedal 8, clutch pedal 8 connects clutch power-assisted master cylinder 7, clutch power-assisted master cylinder 7 connects clutch power-assisted wheel cylinder 6, clutch power-assisted wheel cylinder 6 solenoidoperated cluthes are separated, clutch power-assisted wheel cylinder 6 has point pump steam inlet 9 and wheel cylinder air outlet 10, wheel cylinder air outlet 10 is communicated with the suction port 17 of locking mechanism assembly 12, pump steam inlet 9 is divided to connect speed changer air filter, clutch power-assisted wheel cylinder 6 can solenoidoperated cluthes disengaging yoke 5, clutch release fork 5 solenoidoperated cluthes release bearing 4, clutch release bearing 4 controlling diaphragm flat spring (3) drives clutch compressing disc 2 to contact with clutch friction plate 1 or be separated.
Based on a method of work for the shift of transmission protection mechanism of locking mechanism, comprise the following steps:
Step one, let slip the clutch 8, clutch pedal 8 hydraulic oil compressed in clutch power-assisted master cylinder 7 enters clutch power-assisted wheel cylinder 6, and clutch power-assisted wheel cylinder 6 realizes the separation of clutch;
Step 2, after clutch is separated completely, the wheel cylinder air outlet 10 of clutch power-assisted wheel cylinder 6 has air pressure, and gas enters the front end cavity of locking mechanism assembly;
Step 3, gas promotes piston mandril 13 cavity motion to the back-end in the cavity of front end, and make piston mandril 13 leave the groove 20 of horizontal gear level axle 19, horizontal gear level axle 19 can be shifted gears by horizontal gear level and shifting block 11.
If release the clutch pedal 8, the wheel cylinder air outlet 10 of clutch power-assisted wheel cylinder 6 does not have air pressure, and the piston mandril 13 of locking mechanism assembly 12 heads in the groove 20 of horizontal gear level axle 19, makes piston mandril 13 block horizontal gear level axle 19, realizes backset.
See Fig. 2, during normal vehicle operation, clutch compressing disc 2 is pressed to diagram left side by diaphragm spring 3, and then is tightly pressed on engine flywheel by clutch friction plate 1, thus realizes the transmission of engine power.
When driver carries out gear shift operation, need to cut off transmission of power, the push rod of clutch power-assisted wheel cylinder 6 front end withstands on a groove of clutch release fork 5, clutch release fork 5 is equivalent to a lever, diagram lower end is headed on by the push rod of clutch power-assisted wheel cylinder 6 and moves forward, so the diagram upper end of clutch release fork 5 is mobile to diagram right side, and then pull clutch release bearing 4 mobile to diagram right side, clutch release bearing 4 pulls diaphragm spring 3 mobile to diagram right side, and then clutch compressing disc 2 is also mobile to diagram right side, the impacting force acted on clutch friction plate 1 disappears, thus realize the object cutting off power.
Claims (9)
1. a locking mechanism, it is characterized in that, comprise horizontal gear level axle (19) and gearshift assembly (12), horizontal gear level axle (19) is connected with horizontal gear level and shifting block (11), horizontal gear level axle (19) offers three grooves (20), gearshift assembly (12) comprises housing (15), and the piston mandril (21) that all can coordinate with three grooves (20) is stretched out from housing (15), piston mandril (21) is the cross structure that housing (15) can be separated into two cavitys, suction port (17) is offered on the front end cavity of horizontal gear level axle (19), rear end cavity offers ventilating hole (18), the return spring (14) be connected with piston mandril (13) is provided with in rear end cavity (18).
2. a kind of gearshift according to claim 1, is characterized in that, three grooves (20) that described horizontal gear level axle (19) is offered longitudinally are disposed on the same plane.
3. a kind of gearshift according to claim 1, is characterized in that, the position that described piston mandril (21) contacts with housing (15) all adopts to seal and arranges.
4. a kind of gearshift according to claim 1, is characterized in that, described suction port (17) and vent (18) are arranged on the same face of housing (15).
5. based on the shift of transmission protection mechanism of locking mechanism described in claim 1; it is characterized in that; comprise clutch pedal (8); clutch pedal (8) connects clutch power-assisted master cylinder (7); clutch power-assisted master cylinder (7) connects clutch power-assisted wheel cylinder (6); clutch power-assisted wheel cylinder (6) solenoidoperated cluthes are separated; clutch power-assisted wheel cylinder (6) has a point pump steam inlet (9) and wheel cylinder air outlet (10), and wheel cylinder air outlet (10) are communicated with the suction port (17) of locking mechanism assembly (12).
6. a kind of shift of transmission protection mechanism based on locking mechanism according to claim 5; it is characterized in that; described clutch power-assisted wheel cylinder (6) can solenoidoperated cluthes disengaging yoke (5); clutch release fork (5) solenoidoperated cluthes release bearing (4), clutch release bearing (4) controlling diaphragm flat spring (3) drives clutch compressing disc (2) to contact with clutch friction plate (1) or be separated.
7. a kind of shift of transmission protection mechanism based on locking mechanism according to claim 5, is characterized in that, described point of pump steam inlet (9) connects speed changer air filter.
8. the method for work of a kind of shift of transmission protection mechanism based on locking mechanism according to claim 5, is characterized in that, comprise the following steps:
Step one, let slip the clutch (8), clutch pedal (8) hydraulic oil compressed in clutch power-assisted master cylinder (7) enters clutch power-assisted wheel cylinder (6), and clutch power-assisted wheel cylinder (6) realizes the separation of clutch;
Step 2, after clutch is separated completely, the wheel cylinder air outlet (10) of clutch power-assisted wheel cylinder (6) has air pressure, and gas enters the front end cavity of locking mechanism assembly;
Step 3, gas promotes piston mandril (13) cavity motion to the back-end in the cavity of front end, make piston mandril (13) leave the groove (20) of horizontal gear level axle (19), horizontal gear level axle (19) can be shifted gears by horizontal gear level and shifting block (11).
9. the method for work of a kind of shift of transmission protection mechanism based on locking mechanism according to claim 7; it is characterized in that; also comprise; if release the clutch pedal (8); the wheel cylinder air outlet (10) of clutch power-assisted wheel cylinder (6) does not have air pressure; the piston mandril (13) of locking mechanism assembly (12) heads in the groove (20) of horizontal gear level axle (19); make piston mandril (13) block horizontal gear level axle (19), realize backset.
Priority Applications (1)
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CN201510633794.XA CN105179686A (en) | 2015-09-29 | 2015-09-29 | Gear locking mechanism, speed changer gear shifting protecting mechanism based on gear locking mechanism and work method |
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CN201510633794.XA CN105179686A (en) | 2015-09-29 | 2015-09-29 | Gear locking mechanism, speed changer gear shifting protecting mechanism based on gear locking mechanism and work method |
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CN201510633794.XA Pending CN105179686A (en) | 2015-09-29 | 2015-09-29 | Gear locking mechanism, speed changer gear shifting protecting mechanism based on gear locking mechanism and work method |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106089873A (en) * | 2016-08-31 | 2016-11-09 | 航宇救生装备有限公司 | Air bag series products gas-operated lock |
CN107701721A (en) * | 2017-11-09 | 2018-02-16 | 胡国梁 | Automobile gears controller |
CN108006219A (en) * | 2017-12-07 | 2018-05-08 | 陕西法士特汽车传动集团有限责任公司 | A kind of mechanical gear box synchronizer protects system and method |
CN108302196A (en) * | 2017-12-07 | 2018-07-20 | 西安法士特汽车传动有限公司 | A kind of transmission protection system and method |
CN109505973A (en) * | 2018-11-29 | 2019-03-22 | 陕西法士特齿轮有限责任公司 | A kind of hydraulic control system of automatic speed changer |
CN112440666A (en) * | 2020-11-09 | 2021-03-05 | 杭州广安汽车电器有限公司 | Air conditioner controller structure with gear pin slot exhaust port |
Citations (7)
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CN201777136U (en) * | 2010-09-06 | 2011-03-30 | 山东五征集团有限公司 | Hydraulic engaging/disengaging and gear-shifting locking control device for three-wheeled automobile |
CN202719043U (en) * | 2012-06-13 | 2013-02-06 | 浙江荣众机械有限公司 | Clutch master pump |
CN203131010U (en) * | 2013-02-25 | 2013-08-14 | 陕西法士特齿轮有限责任公司 | Speed changing box back power-taking control system with gear locking mechanism |
CN103574014A (en) * | 2013-11-19 | 2014-02-12 | 中国重汽集团济南动力有限公司 | Gear-shifting protecting device |
CN203670540U (en) * | 2013-12-30 | 2014-06-25 | 綦江齿轮传动有限公司 | Bottom push type clutch structure |
CN203670731U (en) * | 2013-11-27 | 2014-06-25 | 武汉中骏汽车部件有限责任公司 | Dual-protection electric control pneumatic gear shifting device |
CN205026084U (en) * | 2015-09-29 | 2016-02-10 | 陕西法士特齿轮有限责任公司 | Stopper mechanism and based on derailleur of this mechanism protection mechanism that shifts |
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Patent Citations (7)
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CN201777136U (en) * | 2010-09-06 | 2011-03-30 | 山东五征集团有限公司 | Hydraulic engaging/disengaging and gear-shifting locking control device for three-wheeled automobile |
CN202719043U (en) * | 2012-06-13 | 2013-02-06 | 浙江荣众机械有限公司 | Clutch master pump |
CN203131010U (en) * | 2013-02-25 | 2013-08-14 | 陕西法士特齿轮有限责任公司 | Speed changing box back power-taking control system with gear locking mechanism |
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CN203670731U (en) * | 2013-11-27 | 2014-06-25 | 武汉中骏汽车部件有限责任公司 | Dual-protection electric control pneumatic gear shifting device |
CN203670540U (en) * | 2013-12-30 | 2014-06-25 | 綦江齿轮传动有限公司 | Bottom push type clutch structure |
CN205026084U (en) * | 2015-09-29 | 2016-02-10 | 陕西法士特齿轮有限责任公司 | Stopper mechanism and based on derailleur of this mechanism protection mechanism that shifts |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106089873A (en) * | 2016-08-31 | 2016-11-09 | 航宇救生装备有限公司 | Air bag series products gas-operated lock |
CN106089873B (en) * | 2016-08-31 | 2018-06-08 | 航宇救生装备有限公司 | Air bag class product gas-operated lock |
CN107701721A (en) * | 2017-11-09 | 2018-02-16 | 胡国梁 | Automobile gears controller |
CN108006219A (en) * | 2017-12-07 | 2018-05-08 | 陕西法士特汽车传动集团有限责任公司 | A kind of mechanical gear box synchronizer protects system and method |
CN108302196A (en) * | 2017-12-07 | 2018-07-20 | 西安法士特汽车传动有限公司 | A kind of transmission protection system and method |
CN108302196B (en) * | 2017-12-07 | 2023-09-08 | 西安法士特汽车传动有限公司 | Transmission protection system and method |
CN109505973A (en) * | 2018-11-29 | 2019-03-22 | 陕西法士特齿轮有限责任公司 | A kind of hydraulic control system of automatic speed changer |
CN109505973B (en) * | 2018-11-29 | 2023-10-10 | 陕西法士特齿轮有限责任公司 | Hydraulic control system of automatic transmission |
CN112440666A (en) * | 2020-11-09 | 2021-03-05 | 杭州广安汽车电器有限公司 | Air conditioner controller structure with gear pin slot exhaust port |
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Application publication date: 20151223 |