CN202790487U - Gear selection and shift actuating mechanism for automated mechanical transmission - Google Patents
Gear selection and shift actuating mechanism for automated mechanical transmission Download PDFInfo
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- CN202790487U CN202790487U CN201220437796.3U CN201220437796U CN202790487U CN 202790487 U CN202790487 U CN 202790487U CN 201220437796 U CN201220437796 U CN 201220437796U CN 202790487 U CN202790487 U CN 202790487U
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Abstract
The utility model relates to a gear selection and shift actuating mechanism for an automated mechanical transmission and belongs to the field of automobile components. The gear selection and shift actuating mechanism comprises a gear selection mechanism and a gear shift mechanism; a gear selection piston is arranged in a gear selection operating cylinder in the gear selection mechanism, and is in matched connection with a gear selection and shift shifting block; the gear selection and shift shifting block is sleeved on a gear selection and shift shaft; a gear shift piston rod is arranged in left and right cylinders of a gear shift operating cylinder in the gear shift mechanism; a first piston bush is arranged in the left cylinder of the gear shift operating cylinder; a second piston bush is arranged in the right cylinder of the gear shift operating cylinder; the sum of areas of working surfaces of the left end of the gear shift piston rod and the first piston bush in the left cylinder of the operating cylinder is equal to the sum of areas of working surfaces of the right end of the gear shift piston rod and the second piston bush in the right cylinder of the operating cylinder; and the middle bottom of the gear shift piston rod is hinged with a gear shift shifting block which is sleeved on the gear selection and shift shaft. The gear selection and shift actuating mechanism can carry out gear selection and shift actions frequently in a short time, and the maneuvring strength of a driver is greatly reduced.
Description
Technical field
The utility model relates to a kind of automobile component, is specifically related to a kind of mechanical automatic gearbox shift-selecting and changing actuating mechanism.
Background technique
For mechanical automatic gearbox, it has kept the former base parts and components such as synchronizer, utilizes electronic control technology to transform traditional control system, achieves automation.Electricity-liquid, electricity-gas and 3 kinds of driving mode of full electricity are generally arranged.
Working piston in the working cylinder in the gearshift in present shift-selecting and changing actuating mechanism working surface area when left and right displacement is unequal, thereby produce pressure and do not wait, influential to the life-span of piston and working cylinder, and structure is complicated, the production inheritance is good not, and it is high to transform Meteorological.So it is very useful inventing a kind of mechanical automatic gearbox shift-selecting and changing actuating mechanism that be easy to be accepted by manufacturer and better performances.
Summary of the invention
The purpose of this utility model is exactly the defective for prior art, and a kind of mechanical automatic gearbox shift-selecting and changing actuating mechanism is provided.
The technical solution of the utility model is: it comprises gear selection mechanism, gearshift, be provided with the block selecting piston in the block selecting operating cylinder in the described gear selection mechanism, the part that the block selecting piston is in block selecting operating cylinder outside is connected with the shifting shifting block, the shifting shifting block is enclosed within on the shifting axle, described gearshift comprises the gearshift operating cylinder, two cylinder bodies about the gearshift operating cylinder has, mobile range piston bar suspends about being provided with in the cylinder body of the left and right sides, be provided with the first piston cover in the left cylinder of gearshift operating cylinder, be provided with the second piston sleeve in the right cylinder of gearshift operating cylinder, the range piston bar is supported within first piston cover and the second piston sleeve, the cylinder that the intermediate portion of range piston bar is between the cylinder of the gearshift operating cylinder left and right sides is outside, the working surface area sum that the left end portion of range piston bar and first piston are enclosed within the left cylinder of operating cylinder equates with right end portion and the second piston sleeve working surface area sum in the right cylinder of operating cylinder of range piston bar, the thrust that this structure can make the range piston bar produce when left and right displacement is worked in the gearshift operating cylinder equates, the central bottom of range piston bar is hinged with the gearshift shifting block, and the gearshift shifting block is enclosed within on the shifting axle.
Further, the working surface area of described range piston bar in the cylinder of the gearshift operating cylinder left and right sides equates; The first piston cover equates with the working surface area of the second piston sleeve in the cylinder of the gearshift operating cylinder left and right sides.
Further, also be provided with positioning shaft sleeve, sealing O type circle in the described gearshift operating cylinder, the range piston bar is supported in first piston cover and the second piston sleeve by positioning shaft sleeve, is sealed by sealing O type circle between range piston bar and first piston cover and the second piston sleeve.
Further, described range piston bar consists of by three sections, the stage casing diameter greater than about two sections diameter, the shaft shoulder at the two ends, the left and right sides in stage casing withstands respectively first piston cover right-hand member and the second piston sleeve left end.
Further, the left and right sides cavity of cylinder inboard, the described gearshift operating cylinder left and right sides is connected with atmosphere.
Further, radially be provided with the gap that can communicate with atmosphere between the axis hole of the gearshift operating cylinder housing that passes of described range piston bar stage casing and range piston bar stage casing.
Further, described gearshift shifting block comprises gearshift shifting block upper end portion and the oblate post part of hollow, wherein shift gears the shifting block upper end portion for spherical, range piston bar central bottom is provided with spherical opening, the range piston bar matches with gearshift shifting block upper end portion by spherical opening, and the oblate post of hollow partly is enclosed within on the shifting axle.When range piston bar left and right displacement, can drive gearshift shifting block upper end portion around the oblate post partial rotation of hollow, and then drive the rotation of shifting axle.
Further, the part that described block selecting piston is in block selecting operating cylinder outside is provided with the concaved circular cambered surface restraining groove, and the block selecting piston matches with shifting shifting block top by the concaved circular cambered surface restraining groove.So the block selecting piston has the axial limiting effect to the shifting shifting block, the shifting shifting block has the rotary stopper effect to the block selecting piston, can not cause the rotation of block selecting piston during i.e. elected gear shifting pulling head rotation, and can selected gear shifting pulling head top during block selecting piston move left and right spacing.
Further, described shifting shifting block comprises the oblate post part of hollow, shifting shifting block top and shifting shifting block bottom, shifting shifting block upper end is convex arc surface and matches with concaved circular cambered surface restraining groove on the block selecting piston, the oblate post of hollow partly is enclosed within on the shifting axle, and shifting shifting block bottom directly contacts with the gearbox shift slot.The effect of shifting shifting block top is to carry out block selecting, and shifting shifting block lower reaction is to carry out gearshift.
Further, the right and left of the shifting shifting block on the described shifting axle is equipped with respectively the first return spring and the second return spring, also is connected with angular displacement sensor on the shifting axle.Angular displacement sensor is transferred to TCU with the rotation detection angles signal of shifting axle.
Further, described block selecting piston is on the part of block selecting operating cylinder outside the sensor driving lever is housed, and is connected with displacement transducer on the sensor driving lever, and displacement transducer can be transferred to TCU again with detecting displacement signal.The block selecting piston is on the part of block selecting operating cylinder outside and also is provided with positioning groove, and the block selecting piston matches by positioning groove and neutral position switch.
Further, described shifting shape shaft is oblate post.
Further, also comprise the first solenoid electric valve, the second solenoid electric valve in the described gear selection mechanism, the chamber, the left and right sides of block selecting operating cylinder is connected with the first solenoid electric valve, the second solenoid electric valve respectively, thereby regulates the pressure in chamber, the block selecting operating cylinder left and right sides by the switching of controlling the first solenoid electric valve and the second solenoid electric valve; Also comprise the 3rd solenoid electric valve, the 4th solenoid electric valve in the gearshift, the left and right sides cylinder of gearshift operating cylinder is connected with the 3rd solenoid electric valve, the 4th solenoid electric valve respectively.Thereby regulate the pressure of shifting gears about operating cylinder by the switching of controlling the 3rd solenoid electric valve and the 4th solenoid electric valve.
It is good, easily manufactured, easy to assembly that the utility model employing has the production inheritance, lift-launch property is good, the few characteristics of transformation Meteorological, this mechanism's block selecting and gearshift meta accurate positioning, control difficulty are little, little, the compact structure of mechanism size, in the running process, can frequently carry out at short notice the shifting action, greatly alleviate pilot control intensity.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model gearshift structural representation;
Fig. 3 is gearbox shift slot structural representation of the present utility model;
Fig. 4 is block selecting piston of the present utility model and shifting shifting block connection diagram;
Fig. 5 is that block selecting piston of the present utility model is connected plan view with the shifting shifting block;
Fig. 6 is shifting axle of the present utility model and shifting shifting block connection diagram.
Wherein, 1-the first solenoid electric valve; 2-the second solenoid electric valve; 3-the 3rd solenoid electric valve; 4-the 4th solenoid electric valve; 5-block selecting piston; 6-sealing O type circle; The 7-positioning shaft sleeve; 8-shifting axle; The 9-shifting block of shifting gears; 9-1-gearshift shifting block upper end portion; The oblate post part of 9-2-hollow; 10-range piston bar; 11-shifting shifting block; The oblate post part of 11-1-hollow; 11-2-shifting shifting block top; 11-3-shifting shifting block bottom; 12-sensor driving lever; The 13-displacement transducer; 14-block selecting operating cylinder; 15-the first return spring; 16-the second return spring; The 17-operating cylinder of shifting gears; 18-first piston cover; 19-the second piston sleeve; The 20-angular displacement sensor; The 21-neutral position switch; 22-gearbox shift slot; The 23-cavity.
Embodiment
Below in conjunction with accompanying drawing the utility model is further described:
As shown in Figure 1, the utility model comprises gear selection mechanism, gearshift, be provided with block selecting piston 5 in the block selecting operating cylinder 14 in the described gear selection mechanism, the part that block selecting piston 5 is in block selecting operating cylinder 14 outsides is connected with shifting shifting block 11, shifting shifting block 11 is enclosed within on the shifting axle 8, as shown in Figure 2, gearshift comprises gearshift operating cylinder 17, two cylinder bodies about gearshift operating cylinder 17 has, mobile range piston bar 10 suspends about being provided with in the cylinder body of the left and right sides, be provided with first piston cover 18 in the gearshift operating cylinder 17 left cylinders, be provided with the second piston sleeve 19 in the gearshift operating cylinder 17 right cylinders, range piston bar 10 is supported within first piston cover the 18 and second piston sleeve 19, the cylinder that the intermediate portion of range piston bar 10 is between gearshift operating cylinder 17 left and right sides cylinders is outside, the left end portion of range piston bar 10 and the working surface area sum of first piston cover 18 in operating cylinder 17 left cylinders equate with right end portion and the second piston sleeve 19 working surface area sum in operating cylinder 17 right cylinders of range piston bar 10, the central bottom of range piston bar 10 is hinged with gearshift shifting block 9, and gearshift shifting block 9 is enclosed within on the shifting axle 8.Shifting axle 8 is shaped as oblate post.The working surface area of range piston bar 10 in gearshift operating cylinder 17 left and right sides cylinders equates; First piston cover 18 equates with the working surface area of the second piston sleeve 19 in gearshift operating cylinder 17 left and right sides cylinders.Also be provided with positioning shaft sleeve 7, sealing O type circle 6 in the gearshift operating cylinder 17, range piston bar 10 is supported in first piston cover the 18 and second piston sleeve 19 by positioning shaft sleeve 7, is sealed by sealing O type circle 6 between range piston bar 10 and first piston cover the 18 and second piston sleeve 19.Range piston bar 10 consists of by three sections, the stage casing diameter greater than about two sections diameter, the shaft shoulder at the two ends, the left and right sides in stage casing withstands respectively first piston and overlaps 18 right-hand members and the second piston sleeve 19 left ends.The left and right sides cavity 23 of gearshift cylinder inboard, operating cylinder 17 left and right sides is connected with atmosphere.Radially be provided with the gap that can communicate with atmosphere between the axis hole of gearshift operating cylinder 17 housings that range piston bar 10 stage casings and range piston bar 10 stage casings are passed.Gearshift shifting block 9 comprises gearshift shifting block upper end portion 9-1 and the oblate post part of hollow 9-2, the shifting block upper end portion 9-1 that wherein shifts gears is for spherical, range piston bar 10 central bottom are provided with spherical opening, range piston bar 10 matches with gearshift shifting block upper end portion 9-1 by spherical opening, and the oblate post part of hollow 9-2 is enclosed within on the shifting axle 8.As shown in Figure 4 and Figure 5, the part that block selecting piston 5 is in block selecting operating cylinder 14 outsides is provided with the concaved circular cambered surface restraining groove, and block selecting piston 5 matches with shifting shifting block 11 tops by the concaved circular cambered surface restraining groove.Shifting shifting block 11 comprises the oblate post part of hollow 11-1, shifting shifting block top 11-2 and shifting shifting block bottom 11-3,11-2 top, shifting shifting block top is convex arc surface and matches with concaved circular cambered surface restraining groove on the block selecting piston 5, the oblate post part of hollow 11-1 is enclosed within on the shifting axle 8, shifting shifting block bottom 11-3 directly contacts with gearbox shift slot 22, the 11-2 effect of shifting shifting block top is to carry out block selecting, and the 11-3 effect of shifting shifting block bottom is to carry out gearshift.As shown in Figure 1, the right and left of the shifting shifting block 11 on shifting axle 8 is equipped with respectively the first return spring 15 and the second return spring 16, also is connected with angular displacement sensor 20 on the shifting axle 8.Block selecting piston 5 is on the part of block selecting operating cylinder 14 outsides sensor driving lever 12 is housed, be connected with displacement transducer 13 on the sensor driving lever 12, block selecting piston 5 is on the part of block selecting operating cylinder 14 outsides and also is provided with positioning groove, and block selecting piston 5 matches by positioning groove and neutral position switch 21.Shifting axle 8 is shaped as oblate post.Also comprise the first solenoid electric valve 1, the second solenoid electric valve 2 in the gear selection mechanism, the chamber, the left and right sides of block selecting operating cylinder 14 is connected with the first solenoid electric valve 1, the second solenoid electric valve 2 respectively; As shown in Figure 2, also comprise the 3rd solenoid electric valve 3, the 4th solenoid electric valve 4 in the gearshift, the left and right sides cylinder of gearshift operating cylinder 17 is connected with the 3rd solenoid electric valve 3, the 4th solenoid electric valve 4 respectively.As shown in Figure 1, also be provided with sealing O type circle 6 in the block selecting operating cylinder 14, sealed by sealing O type circle 6 between block selecting piston 5 outer surfaces and the block selecting operating cylinder 14.
Take common shift slot as example, as shown in Figure 3, initial position is 2,3 gear neutral gear positions during shifting.
When selecting 1 gear: as shown in Figure 1, the second solenoid electric valve 2 is opened, pressure oil liquid enters the right chamber of block selecting operating cylinder 14 by oil duct, cavity pressure increases promotion block selecting piston 5 to left movement, thereby driving shifting shifting block 11 slides left on shifting axle 8, simultaneous displacement sensor 13 passes to TCU with the displacement signal on the sensor driving lever 12 and judges processing, confirms to finish the block selecting action, finishes block selecting this moment; During gearshift, as shown in Figure 2, the 4th solenoid electric valve 4 is opened, pressure oil liquid enters the right chamber of gearshift operating cylinder 17 by oil duct, and intraluminal fluid press to increase promotes the second piston sleeve 19 to left movement, and the second piston sleeve 19 promotes range piston bars 10 to left movement, gearshift shifting block 9 is rotated counterclockwise, finish gearshift thereby drive shifting axle 8 and shifting shifting block 11 rotate counterclockwise, angular displacement sensor 20 passes to TCU judgement processing with the rotation angle signal simultaneously, confirms to finish the action of shifting gears.
When moving back gear: as shown in Figure 2, the 3rd solenoid electric valve 3 and the 4th solenoid electric valve 4 are opened simultaneously, and fluid enters gearshift chamber, operating cylinder 17 left and right sides simultaneously, makes its left and right sides cavity pressure balance, TCU judges by the signal of angular displacement sensor 20 transmission simultaneously, and affirmation gearshift shifting block 9 is got back to meta; As shown in Figure 1, after TCU confirms that gearshift shifting block 9 drive shifting shifting blocks 11 are got back to R, 1 gear meta, the first solenoid electric valve 1 and the 2 simultaneously pressure releases of the second solenoid electric valve, the first return spring 15 and the second return spring 16 act on simultaneously, make shifting shifting block 11 get back to 2,3 gear neutral gear positions, it is spacing that while neutral position switch 21 cooperates block selecting pistons 5 upper grooves to carry out, and TCU judges by displacement transducer 13, confirms to finish to move back gear.
In addition, the gearshift return is to pressurize simultaneously by the chamber, the left and right sides of gearshift operating cylinder 17 because initial left and right sides pressure imbalance, can make the one or two piston sleeve 18,19 and range piston bar 10 move to meta, the final pressure balance makes it get back to meta; The block selecting return will design the first suitable return spring 15, the second return spring 16 stiffness K, so that after the gearshift return, during 14 pressure release of block selecting operating cylinder, the first return spring 15 and the second return spring 16 from the two ends of shifting shifting block 11 to its application of force, along with 14 pressure releases of block selecting operating cylinder are finished, the force balance of while the first return spring 15 and 16 pairs of shifting shifting blocks 11 of the second return spring, neutral position switch 21 enters spacing state, finishes the revert action of actuator.
On the whole, the utility model is that 5 translations of block selecting piston drive shifting shifting block 11 and carry out block selecting, and 10 translations of range piston bar drive 9 rotations of gearshift shifting block, and gearshift shifting block 9 rotarily drives shifting axle 8 and rotates, and then drives shifting shifting block 11 and rotate and finish gearshift.
Claims (13)
1. mechanical automatic gearbox shift-selecting and changing actuating mechanism, it comprises gear selection mechanism, gearshift, be provided with block selecting piston (5) in the block selecting operating cylinder (14) in the described gear selection mechanism, block selecting piston (5) is in the outside part of block selecting operating cylinder (14) and is connected with shifting shifting block (11), shifting shifting block (11) is enclosed within on the shifting axle (8), it is characterized in that: described gearshift comprises gearshift operating cylinder (17), two cylinder bodies about gearshift operating cylinder (17) has, mobile range piston bar (10) suspends about being provided with in the cylinder body of the left and right sides, be provided with first piston cover (18) in the left cylinder of gearshift operating cylinder (17), be provided with the second piston sleeve (19) in the right cylinder of gearshift operating cylinder (17), range piston bar (10) is supported within first piston cover (18) and the second piston sleeve (19), the cylinder that the intermediate portion of range piston bar (10) is between the cylinder of gearshift operating cylinder (17) left and right sides is outside, the left end portion of range piston bar (10) and first piston cover (18) the working surface area sum in the left cylinder of operating cylinder (17) equates with right end portion and the second piston sleeve (19) working surface area sum in the right cylinder of operating cylinder (17) of range piston bar (10), the central bottom of range piston bar (10) is hinged with gearshift shifting block (9), and gearshift shifting block (9) is enclosed within on the shifting axle (8).
2. mechanical automatic gearbox shift-selecting and changing actuating mechanism according to claim 1 is characterized in that: the working surface area of described range piston bar (10) in the cylinder of gearshift operating cylinder (17) left and right sides equates; First piston cover (18) equates with the working surface area of the second piston sleeve (19) in the cylinder of gearshift operating cylinder (17) left and right sides.
3. mechanical automatic gearbox shift-selecting and changing actuating mechanism according to claim 1, it is characterized in that: also be provided with positioning shaft sleeve (7), sealing O type circle (6) in the described gearshift operating cylinder (17), range piston bar (10) is supported in first piston cover (18) and the second piston sleeve (19) by positioning shaft sleeve (7), is sealed by sealing O type circle (6) between range piston bar (10) and first piston cover (18) and the second piston sleeve (19).
4. mechanical automatic gearbox shift-selecting and changing actuating mechanism according to claim 1 and 2, it is characterized in that: described range piston bar (10) consists of by three sections, the stage casing diameter greater than about two sections diameter, the shaft shoulder at the two ends, the left and right sides in stage casing withstands respectively first piston cover (18) right-hand member and the second piston sleeve (19) left end.
5. according to claim 1 or 3 described mechanical automatic gearbox shift-selecting and changing actuating mechanisms, it is characterized in that: the left and right sides cavity (23) of cylinder inboard, described gearshift operating cylinder (17) left and right sides is connected with atmosphere.
6. mechanical automatic gearbox shift-selecting and changing actuating mechanism according to claim 1 is characterized in that: radially be provided with the gap that can communicate with atmosphere between the axis hole of gearshift operating cylinder (17) housing that described range piston bar (10) stage casing and range piston bar (10) stage casing are passed.
7. mechanical automatic gearbox shift-selecting and changing actuating mechanism according to claim 1, it is characterized in that: described gearshift shifting block (9) comprises gearshift shifting block upper end portion (9-1) and the oblate post part of hollow (9-2), wherein shift gears shifting block upper end portion (9-1) for spherical, range piston bar (10) central bottom is provided with spherical opening, range piston bar (10) matches with gearshift shifting block upper end portion (9-1) by spherical opening, and the oblate post part of hollow (9-2) is enclosed within on the shifting axle (8).
8. mechanical automatic gearbox shift-selecting and changing actuating mechanism according to claim 1, it is characterized in that: described block selecting piston (5) is in the outside part of block selecting operating cylinder (14) and is provided with the concaved circular cambered surface restraining groove, and block selecting piston (5) matches with shifting shifting block (11) top by the concaved circular cambered surface restraining groove.
9. according to claim 1 or 8 described mechanical automatic gearbox shift-selecting and changing actuating mechanisms, it is characterized in that: described shifting shifting block (11) comprises the oblate post part of hollow (11-1), shifting shifting block top (11-2) and shifting shifting block bottom (11-3), top, shifting shifting block top (11-2) is convex arc surface and matches with concaved circular cambered surface restraining groove on the block selecting piston (5) that the oblate post part of hollow (11-1) is enclosed within on the shifting axle (8).
10. mechanical automatic gearbox shift-selecting and changing actuating mechanism according to claim 1, it is characterized in that: the right and left of the shifting shifting block (11) on the described shifting axle (8) is equipped with respectively the first return spring (15) and the second return spring (16), also is connected with angular displacement sensor (20) on the shifting axle (8).
11. according to claim 1 or 8 described mechanical automatic gearbox shift-selecting and changing actuating mechanisms, it is characterized in that: described block selecting piston (5) is on the outside part of block selecting operating cylinder (14) sensor driving lever (12) is housed, be connected with displacement transducer (13) on the sensor driving lever (12), block selecting piston (5) is on the outside part of block selecting operating cylinder (14) and also is provided with positioning groove, and block selecting piston (5) matches by positioning groove and neutral position switch (21).
12. mechanical automatic gearbox shift-selecting and changing actuating mechanism according to claim 1 is characterized in that: described shifting axle (8) is shaped as oblate post.
13. mechanical automatic gearbox shift-selecting and changing actuating mechanism according to claim 1, it is characterized in that: also comprise the first solenoid electric valve (1), the second solenoid electric valve (2) in the described gear selection mechanism, the chamber, the left and right sides of block selecting operating cylinder (14) is connected with the first solenoid electric valve (1), the second solenoid electric valve (2) respectively; Also comprise the 3rd solenoid electric valve (3), the 4th solenoid electric valve (4) in the gearshift, the left and right sides cylinder of gearshift operating cylinder (17) is connected with the 3rd solenoid electric valve (3), the 4th solenoid electric valve (4) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220437796.3U CN202790487U (en) | 2012-08-31 | 2012-08-31 | Gear selection and shift actuating mechanism for automated mechanical transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220437796.3U CN202790487U (en) | 2012-08-31 | 2012-08-31 | Gear selection and shift actuating mechanism for automated mechanical transmission |
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| Publication Number | Publication Date |
|---|---|
| CN202790487U true CN202790487U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220437796.3U Expired - Lifetime CN202790487U (en) | 2012-08-31 | 2012-08-31 | Gear selection and shift actuating mechanism for automated mechanical transmission |
Country Status (1)
| Country | Link |
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| CN (1) | CN202790487U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808936A (en) * | 2012-08-31 | 2012-12-05 | 东风汽车公司 | Gear-selecting and shifting actuating mechanism for automatic mechanical transmission case |
| CN103322187A (en) * | 2013-06-27 | 2013-09-25 | 中国北方车辆研究所 | Shift force controlling and shift buffering device of pneumatic AMT (automated mechanical transmission) shift mechanism |
| WO2018227778A1 (en) * | 2017-06-12 | 2018-12-20 | 南通国盛智能科技集团股份有限公司 | Gearbox shifting mechanism |
-
2012
- 2012-08-31 CN CN201220437796.3U patent/CN202790487U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808936A (en) * | 2012-08-31 | 2012-12-05 | 东风汽车公司 | Gear-selecting and shifting actuating mechanism for automatic mechanical transmission case |
| CN102808936B (en) * | 2012-08-31 | 2016-03-30 | 东风汽车公司 | Mechanical automatic gearbox gear-selecting and shifting executing mechanism |
| CN103322187A (en) * | 2013-06-27 | 2013-09-25 | 中国北方车辆研究所 | Shift force controlling and shift buffering device of pneumatic AMT (automated mechanical transmission) shift mechanism |
| CN103322187B (en) * | 2013-06-27 | 2017-07-25 | 中国北方车辆研究所 | The device that a kind of pneumatic AMT shifters berth-changing strength control is buffered with gear shift |
| WO2018227778A1 (en) * | 2017-06-12 | 2018-12-20 | 南通国盛智能科技集团股份有限公司 | Gearbox shifting mechanism |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |