CN2842101Y - The automotive transmission Pneumatic shifting device - Google Patents

The automotive transmission Pneumatic shifting device Download PDF

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Publication number
CN2842101Y
CN2842101Y CN 200520066894 CN200520066894U CN2842101Y CN 2842101 Y CN2842101 Y CN 2842101Y CN 200520066894 CN200520066894 CN 200520066894 CN 200520066894 U CN200520066894 U CN 200520066894U CN 2842101 Y CN2842101 Y CN 2842101Y
Authority
CN
China
Prior art keywords
housing
gear selecting
cavity
bearing hole
shift shaft
Prior art date
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.)
Expired - Fee Related
Application number
CN 200520066894
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Chinese (zh)
Inventor
罗元月
邓帮贵
王炳基
罗春香
文晓勤
祝诲燕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHAOGUAN HONGDA GEAR CO Ltd
Original Assignee
SHAOGUAN HONGDA GEAR CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHAOGUAN HONGDA GEAR CO Ltd filed Critical SHAOGUAN HONGDA GEAR CO Ltd
Priority to CN 200520066894 priority Critical patent/CN2842101Y/en
Application granted granted Critical
Publication of CN2842101Y publication Critical patent/CN2842101Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a kind of automotive transmission Pneumatic shifting device, and it is by forming sealed volume between housing and end cap, and the fixedly connected piston ring of gear selecting declutch shift shaft left end is separated into left and right sides two-part with aforementioned sealed volume; When feeding pressurized air in aforesaid left cavity or right cavity, the pressure increase of left cavity or right cavity can promote piston ring and move axially, so drives the gear selecting declutch shift shaft and the gear selecting shift fork moves axially accordingly; Right-hand member at the gear selecting declutch shift shaft is fixedly connected with an inductance loop, appropriate location on bonnet and housing is provided with sensor, when gear selecting declutch shift shaft drive inductance loop moves axially certain distance together, sensor sends the pulse induction signal to control gear, by control gear compressed-air actuated supply is ended, thereby realized the automaitc shfit of speed changer.The utility model is simple in structure, and cost is low, operation, convenient maintenance.

Description

The automotive transmission Pneumatic shifting device
[technical field]
The utility model relates to a kind of automobile speed variator shift device, relates in particular to a kind of actuator that is used for the automotive transmission automaitc shfit.
[background technique]
At present, the gear shift of the most of employing of automobile speed variator shift device mechanical type, this gear changing mode driver's labor intensity is big, manipulates inconvenience.And hydraulic pressure auto-shifting device complex structure, the cost height uses and keeps in repair inconvenience.
[model utility content]
In order to overcome the above-mentioned deficiency of existing in prior technology, it is a kind of simple in structure that the utility model provides, and cost is low, the automotive transmission Pneumatic shifting device of operation, convenient maintenance.It is by feeding an amount of pressurized air in left cavity in housing and the formed sealed cavity of end cap or the right cavity, the pressure of left cavity or right cavity is increased, move axially to the right or left in this sealed cavity thereby promote piston ring, thereby drive gear selecting declutch shift shaft and gear selecting shift fork are realized the automaitc shfit of speed changer as corresponding mobile.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of automotive transmission Pneumatic shifting device, it is provided with housing, gear selecting declutch shift shaft, gear selecting shift fork.The left side of described housing is provided with a cavity, and the left side of housing is fixedly connected with an end cap, and the cavity of end cap and housing forms a sealed volume.The below of described housing is provided with left bearing hole and right bearing hole, the two axial lines of left side bearing hole and right bearing hole is positioned on the same horizontal axis, the gear selecting declutch shift shaft is supported in the left bearing hole and right bearing hole of housing, and form Spielpassung with left bearing hole and right bearing hole respectively, the gear selecting declutch shift shaft can move along the axial direction of left bearing hole and right bearing hole, axle journal corresponding to the gear selecting declutch shift shaft of left bearing hole is provided with a seal groove, be provided with a seal arrangement in the seal groove, in order further to improve sealing effect, seal groove also can be two.The left end of gear selecting declutch shift shaft is fixedly connected with a piston ring, piston ring be positioned at housing left side cavity and with the inwall formation Spielpassung of this cavity, piston ring can move axially with respect to the inwall of housing cavity, the external cylindrical surface of piston ring is provided with a seal groove, be provided with a seal arrangement in the seal groove, in order further to improve sealing effect, seal groove also can be two, piston ring is separated into left and right sides two-part with the housing cavity, on a left side, respectively be provided with a gear selecting balance spring in the right half cavity, the gear selecting balance spring sky on right side is enclosed within on the gear selecting declutch shift shaft, the gear selecting balance spring in left side is between piston ring and end cap, the external cylindrical surface of aforementioned housing cavity is provided with suction port A and suction port B, suction port A is positioned at the keep left position on limit of aforementioned left cavity, suction port B is positioned at the keep right position on limit of aforementioned right cavity, and suction port A links to each other with the pipeline of solenoid directional control valve with suction port B, and the pipeline of the opposite side of solenoid directional control valve connects pressurized air.Described gear selecting shift fork is fixedly connected on the gear selecting declutch shift shaft and between the left bearing hole and right bearing hole of housing, gear selecting shift fork and gear selecting declutch shift shaft also can be fixed by screw or alternate manner by dowel fixes.When suction port A feeds pressurized air, pressure in the cavity of a left side increases, promoting piston ring moves right together with sliding selector shaft and reverse shift fork, otherwise, when suction port B feeds pressurized air, pressure in the cavity of a left side increases, and promotes piston ring and is moved to the left together with sliding selector shaft and reverse shift fork, thereby reach automaitc shfit.The right side of described housing is fixedly connected with a bonnet, bonnet and housing form an inner chamber, the right-hand member of described gear selecting declutch shift shaft is fixedly connected with an inductance loop, this inductance loop is arranged in bonnet and the formed inner chamber of housing, described housing right-hand member is provided with a through hole near the external cylindrical surface in the left side of bonnet and the formed inner chamber of housing, be provided with a sensor in the hole, described bonnet is provided with a through hole near the external cylindrical surface on the right side of bonnet and the formed inner chamber of housing, be provided with a sensor in the hole, one end of aforementioned two sensor strip inductive heads is stretched in bonnet and the formed inner chamber of housing, and the other end that has wiring terminal is exposed to the outer example of housing and bonnet.The wiring terminal of sensor is connected with another control gear, when gear selecting declutch shift shaft drive inductance loop moves axially to inductance loop and the corresponding position of sensor together, sensor sends the pulse induction signal to control gear, by control gear compressed-air actuated supply is ended then.
In order to guarantee to obtain good sealing effect, aforementioned seal arrangement can be the O RunddichtringO, also can be other seal arrangement that is used for gas seal.
The external cylindrical surface of the right bearing hole of described housing is provided with a hole, is provided with self-locking spring and locking ball in the hole, and the external cylindrical surface of described gear selecting declutch shift shaft is provided with 3 positioning holes.When the gear selecting shift fork pushed the engaging position on the left side with the gear shift sliding gear collar in the speed changer, locking ball fell into the positioning hole on the left side; When the gear selecting shift fork pushes neutral position with the gear shift sliding gear collar in the speed changer, the positioning hole in the middle of locking ball falls into; When gear selecting shift fork 7 pushed the engaging position on the right with the gear shift sliding gear collar in the speed changer, locking ball fell into the positioning hole on the right.
The inwall of the right bearing hole of described housing is provided with seal groove, is provided with seal ring in the seal groove, is used for preventing that the lubricant oil of speed changer from flowing to inductance loop along the gear selecting declutch shift shaft.
The beneficial effects of the utility model are: by feeding an amount of pressurized air in left cavity in housing and the formed sealed cavity of end cap or the right cavity, the pressure of left cavity or right cavity is increased, move axially to the right or left in this sealed cavity thereby promote piston ring, thereby drive gear selecting declutch shift shaft and gear selecting shift fork are realized the automaitc shfit of speed changer as corresponding mobile.Accurately locate when realizing gear shift by self-locking spring and locking ball.The utility model is simple in structure, and cost is low, operation, convenient maintenance.
[description of drawings]
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present utility model.
1. end caps among the figure, 2. suction port A, 3. gear selecting balance spring, 4.0 RunddichtringOs, 5. piston ring, 6. suction port B, 7. gear selecting shift fork, 8. self-locking spring, 9. sensor mat, 10. sensor, 11. inductance loop, 12. bonnets, 13. gear selecting declutch shift shafts, 14. seal ring, 15. right bearing hole, 16. locking balls, 17. positioning hole, 18. right bearing hole, 19. housings.
[embodiment]
In Fig. 1, the automotive transmission Pneumatic shifting device comprises housing 19, end cap 1, gear selecting declutch shift shaft 13, piston ring 5, gear selecting shift fork 7, gear selecting balance spring 3, O RunddichtringO 4, sensor 10, inductance loop 11, bonnet 12.The left side of described housing 19 is provided with a cavity, and the left side of housing 19 is fixedly connected with an end cap 1, and end cap 1 forms a sealed volume with the cavity of housing 19.The below of described housing 19 is provided with left bearing hole 18 and right bearing hole 15, the two axial lines of left side bearing hole 18 and right bearing hole 15 is positioned on the same horizontal axis, gear selecting declutch shift shaft 13 is supported in left bearing hole 18 and the right bearing hole 15, and form Spielpassung with left bearing hole 18 and right bearing hole 15 respectively, gear selecting declutch shift shaft 13 can move along the axial direction of left bearing hole 18 and right bearing hole 15, described O RunddichtringO 4 is arranged on corresponding in the seal groove on gear selecting declutch shift shaft 13 axle journals of left bearing hole 18, the maximum axial distance that the width of left side bearing hole 18 should be moved when the gear shift greater than gear selecting shift fork 7 should guarantee that just the O RunddichtringO 4 on the gear selecting declutch shift shaft 13 is positioned at left bearing hole 18 all the time when gear shift.Described piston ring 5 is fixedly connected on the left end of gear selecting declutch shift shaft 13 by nut, piston ring 5 is positioned at the cavity in housing 19 left sides and forms Spielpassung with the inwall of this cavity, piston ring 5 can move axially with respect to the inwall of housing 19 cavitys, be provided with an O RunddichtringO 4 in the seal groove on the external cylindrical surface of piston ring 5, therefore piston ring 5 is separated into left and right sides two-part with housing 19 cavitys, on a left side, respectively be provided with a gear selecting balance spring 3 in the right half cavity, gear selecting balance spring 3 skies on right side are enclosed within on the gear selecting declutch shift shaft 13, the gear selecting balance spring 3 in left side is between piston ring 5 and end cap 1, the external cylindrical surface of housing 19 cavitys is provided with suction port A2 and suction port B6, suction port A2 is positioned at the keep left position on limit of aforementioned left cavity, suction port B6 is positioned at the keep right position on limit of aforementioned right cavity, suction port A2 links to each other with the pipeline of solenoid directional control valve with suction port B6, and the pipeline of the opposite side of solenoid directional control valve connects pressurized air.Described gear selecting shift fork 7 is fixedly connected on the gear selecting declutch shift shaft 13 by spring column pin and between the left bearing hole 18 and right bearing hole 15 of housing 19.The right side of described housing 19 is fixedly connected with a bonnet 12, bonnet 12 forms an inner chamber with housing 19, the right-hand member of described gear selecting declutch shift shaft 13 is fixedly connected with an inductance loop 11, this inductance loop 11 is arranged in bonnet 12 and housing 19 formed inner chambers, housing 19 right-hand members are provided with a through hole near the external cylindrical surface in the left side of bonnet 12 and housing 19 formed inner chambers, be provided with a sensor 10 in the hole, sensor 10 by screw on sensor mat 9; Bonnet 12 is provided with a through hole near the external cylindrical surface on bonnets 12 and the right side of housing 19 formed inner chambers, is provided with a sensor 10 in the hole, this sensor 10 by screw on housing 19; Aforementioned two sensor 10 1 ends are stretched in bonnet 12 and the housing 19 formed inner chambers, and the other end is exposed to the outside of housing 19 and bonnet 12.The wiring terminal of sensor 10 is connected with another control gear.The external cylindrical surface of the right bearing hole 15 of described housing 19 is provided with a hole, be provided with self-locking spring 8 and locking ball 16 in the hole, the external cylindrical surface of gear selecting declutch shift shaft 13 is provided with 3 positioning holes 17, when gear selecting shift fork 7 pushes the engaging position on the left side with the gear shift sliding gear collar in the speed changer, locking ball 16 falls into the positioning hole 17 on gear selecting declutch shift shaft 13 left sides, when gear selecting shift fork 7 pushes neutral position with the gear shift sliding gear collar in the speed changer, locking ball 16 falls into the positioning hole 17 in the middle of the gear selecting declutch shift shaft 13, when gear selecting shift fork 7 pushed the engaging position on the right with the gear shift sliding gear collar in the speed changer, locking ball 16 fell into the positioning hole 17 on gear selecting declutch shift shaft 13 the right.The axial position of aforementioned two sensors 10 is to determine like this: be moved to the left to corresponding with the sensor 10 in the left side of housing 19 and bonnet 12 formed inner chambers and sensor 10 can send the pulse induction signal time when gear selecting declutch shift shaft 13 drives inductance loops 11, locking ball 16 is just corresponding with the positioning hole 17 on gear selecting declutch shift shaft 13 the right; Move right corresponding with the sensor 10 on the right side of housing 19 and bonnet 12 formed inner chambers and sensor 10 can send the pulse induction signal time when gear selecting declutch shift shaft 13 drives inductance loops 11, locking ball 16 is just corresponding with the positioning hole 17 on gear selecting declutch shift shaft 13 left sides.The inwall of the right bearing hole 15 of housing 19 is provided with seal groove, is provided with seal ring 14 in the seal groove, is used for preventing that the lubricant oil of speed changer from flowing to inductance loop 11 along gear selecting declutch shift shaft 13.
The action of automaitc shfit is achieved in that
When hanging neutral gear, suction port A2 and suction port B6 be the entrance pressure air that contracts not, piston ring 5 mediates under the effect of the balance spring 3 of the right and left, locking ball 16 falls into the positioning hole 17 in the middle of the gear selecting declutch shift shaft 13, at this moment the gear shift sliding gear collar in the speed changer mediates, so speed changer is hung neutral gear.
When putting in the first speed, make the electromagnetic switch valve events by control gear, pressurized air is entered by suction port A2, pressure in the cavity of a left side increases, promoting piston ring 5 moves right together with sliding selector shaft 13 and reverse shift fork 7, when gear selecting declutch shift shaft 13 drive inductance loops 11 move right certain distance, the sensor 10 on the right side of housing 19 and bonnet 12 formed inner chambers sends the pulse induction signal, this signal ends compressed-air actuated supply by control gear, at this moment locking ball 16 falls into the positioning hole 17 on gear selecting declutch shift shaft 13 left sides, at this moment the gear shift sliding gear collar in the speed changer is in the engaging position on the right, so speed changer puts in the first speed.
When hanging second gear, make the electromagnetic switch valve events by control gear, pressurized air is entered by suction port B6, pressure in the right cavity increases, promoting piston ring 5 is moved to the left together with sliding selector shaft 13 and reverse shift fork 7, when gear selecting declutch shift shaft 13 drive inductance loops 11 are moved to the left certain distance, the sensor 10 in the left side of housing 19 and bonnet 12 formed inner chambers sends the pulse induction signal, this signal ends compressed-air actuated supply by control gear, at this moment locking ball 16 falls into the positioning hole 17 on gear selecting declutch shift shaft 13 the right, at this moment the gear shift sliding gear collar in the speed changer is in the engaging position on the left side, so speed changer is hung second gear.

Claims (4)

1, a kind of automotive transmission Pneumatic shifting device, it comprises housing, gear selecting declutch shift shaft, gear selecting shift fork, it is characterized in that: the left side of described housing is provided with a cavity, and the left side of housing is fixedly connected with an end cap; The below of described housing is provided with left bearing hole and right bearing hole, the two axial lines of left side bearing hole and right bearing hole is positioned on the same horizontal axis, described gear selecting declutch shift shaft is supported in the left bearing hole and right bearing hole of housing, and form Spielpassung with left bearing hole and right bearing hole respectively, axle journal corresponding to the gear selecting declutch shift shaft of left bearing hole is provided with at least one seal groove, be provided with a seal arrangement in the seal groove, the left end of gear selecting declutch shift shaft is fixedly connected with a piston ring, piston ring be positioned at housing left side cavity and with the inwall formation Spielpassung of housing cavity, the external cylindrical surface of piston ring is provided with at least one seal groove, be provided with a seal arrangement in the seal groove, piston ring is separated into left and right sides two-part with the housing cavity, on a left side, respectively be provided with a gear selecting balance spring in the right half cavity, the gear selecting balance spring sky on right side is enclosed within on the gear selecting declutch shift shaft, the gear selecting balance spring in left side is between piston ring and end cap, the external cylindrical surface of aforementioned housing cavity is provided with suction port A and suction port B, suction port A and suction port B respectively with an aforementioned left side, the right side cavity is connected, suction port A is positioned at the keep left position on limit of aforementioned left cavity, and suction port B is positioned at the keep right position on limit of aforementioned right cavity; Described gear selecting shift fork is fixedly connected on the gear selecting declutch shift shaft and between the left bearing hole and right bearing hole of housing; The right side of described housing is fixedly connected with a bonnet, bonnet and housing form an inner chamber, the right-hand member of described gear selecting declutch shift shaft is fixedly connected with an inductance loop, this inductance loop is arranged in bonnet and the formed inner chamber of housing, described housing right-hand member is provided with a through hole near the external cylindrical surface in the left side of bonnet and the formed inner chamber of housing, be provided with a sensor in the hole, described bonnet is provided with a through hole near the external cylindrical surface on the right side of bonnet and the formed inner chamber of housing, be provided with a sensor in the hole, one end of aforementioned two sensor strip inductive heads is stretched in bonnet and the formed inner chamber of housing, and the other end that has wiring terminal is exposed to the outside of housing and bonnet.
2, automotive transmission Pneumatic shifting device according to claim 1 is characterized in that: described seal arrangement is the O RunddichtringO.
3, automotive transmission Pneumatic shifting device according to claim 1 and 2, it is characterized in that: the external cylindrical surface of the right bearing hole of described housing is provided with a hole, be provided with self-locking spring and locking ball in the hole, the external cylindrical surface of described gear selecting declutch shift shaft is provided with 3 positioning holes, and these positioning holes are corresponding with locking ball.
4, automotive transmission Pneumatic shifting device according to claim 3, it is characterized in that: the inwall of the right bearing hole of described housing is provided with seal groove, is provided with seal ring in the seal groove.
CN 200520066894 2005-11-11 2005-11-11 The automotive transmission Pneumatic shifting device Expired - Fee Related CN2842101Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520066894 CN2842101Y (en) 2005-11-11 2005-11-11 The automotive transmission Pneumatic shifting device

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CN 200520066894 CN2842101Y (en) 2005-11-11 2005-11-11 The automotive transmission Pneumatic shifting device

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261461A (en) * 2011-04-26 2011-11-30 浙江吉利汽车研究院有限公司 Gear selection actuating mechanism of electronic controlled mechanical-type automatic transmission
CN102537226A (en) * 2012-02-13 2012-07-04 三一重工股份有限公司 Transfer case and engineering machinery
CN102678905A (en) * 2012-05-29 2012-09-19 浙江吉利汽车研究院有限公司杭州分公司 Gear-shifting feel enhancing device on gear selecting and shifting shaft
CN103062392A (en) * 2013-01-16 2013-04-24 浙江万里扬变速器股份有限公司 Transmission three-gear air cylinder capable of automatically resetting to neutral gear
CN103267102A (en) * 2013-05-30 2013-08-28 中国北车集团大连机车研究所有限公司 Hydrodynamic transmission case mechanical reversing mechanism
WO2014048145A1 (en) * 2012-09-27 2014-04-03 陕西法士特齿轮有限责任公司 Transmission operating mechanism
CN104048030A (en) * 2014-06-04 2014-09-17 中国第一汽车股份有限公司 Three-spring four-position electric control mechanical automatic transmission gear-selecting structure
CN105829772A (en) * 2014-06-05 2016-08-03 铃木株式会社 Speed shift device
CN105952887A (en) * 2016-05-24 2016-09-21 中国重汽集团大同齿轮有限公司 High-manipulation-performance mechanical speed changer
CN107110349A (en) * 2015-04-29 2017-08-29 宝马股份公司 Transmission device gearing auxiliary device and the gearshift for motorcycle
US11242926B2 (en) * 2016-12-22 2022-02-08 Eaton Cummins Automated Transmission Tech., Llc System, method, and apparatus for operating a high efficiency, high output transmission

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261461A (en) * 2011-04-26 2011-11-30 浙江吉利汽车研究院有限公司 Gear selection actuating mechanism of electronic controlled mechanical-type automatic transmission
CN102537226A (en) * 2012-02-13 2012-07-04 三一重工股份有限公司 Transfer case and engineering machinery
CN102678905A (en) * 2012-05-29 2012-09-19 浙江吉利汽车研究院有限公司杭州分公司 Gear-shifting feel enhancing device on gear selecting and shifting shaft
CN102678905B (en) * 2012-05-29 2015-05-20 浙江吉利汽车研究院有限公司杭州分公司 Gear-shifting feel enhancing device on gear selecting and shifting shaft
US9447865B2 (en) 2012-09-27 2016-09-20 Shaanxi Fast Gear Co., Ltd. Transmission operating mechanism
WO2014048145A1 (en) * 2012-09-27 2014-04-03 陕西法士特齿轮有限责任公司 Transmission operating mechanism
CN103062392B (en) * 2013-01-16 2015-11-18 浙江万里扬变速器股份有限公司 Speed changer three cylinders of a kind of gear that can automatically make the return trip empty
CN103062392A (en) * 2013-01-16 2013-04-24 浙江万里扬变速器股份有限公司 Transmission three-gear air cylinder capable of automatically resetting to neutral gear
CN103267102A (en) * 2013-05-30 2013-08-28 中国北车集团大连机车研究所有限公司 Hydrodynamic transmission case mechanical reversing mechanism
CN104048030A (en) * 2014-06-04 2014-09-17 中国第一汽车股份有限公司 Three-spring four-position electric control mechanical automatic transmission gear-selecting structure
CN105829772B (en) * 2014-06-05 2018-12-07 铃木株式会社 Speed change gear
CN105829772A (en) * 2014-06-05 2016-08-03 铃木株式会社 Speed shift device
CN107110349A (en) * 2015-04-29 2017-08-29 宝马股份公司 Transmission device gearing auxiliary device and the gearshift for motorcycle
US20180009507A1 (en) * 2015-04-29 2018-01-11 Bayerische Motoren Werke Aktiengesellschaft Transmission Shifting Assistance Device and Shifting Device for a Motorcycle
US10875602B2 (en) 2015-04-29 2020-12-29 Bayerische Motoren Werke Aktiengesellschaft Transmission shifting assistance device and shifting device for a motorcycle
CN105952887B (en) * 2016-05-24 2018-01-19 中国重汽集团大同齿轮有限公司 High maneuvering performance mechanical transmission
CN105952887A (en) * 2016-05-24 2016-09-21 中国重汽集团大同齿轮有限公司 High-manipulation-performance mechanical speed changer
US11242926B2 (en) * 2016-12-22 2022-02-08 Eaton Cummins Automated Transmission Tech., Llc System, method, and apparatus for operating a high efficiency, high output transmission

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