CN204253839U - Mechanical transmission shift-selecting and changing actuating mechanism - Google Patents

Mechanical transmission shift-selecting and changing actuating mechanism Download PDF

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Publication number
CN204253839U
CN204253839U CN201420429286.0U CN201420429286U CN204253839U CN 204253839 U CN204253839 U CN 204253839U CN 201420429286 U CN201420429286 U CN 201420429286U CN 204253839 U CN204253839 U CN 204253839U
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China
Prior art keywords
shifting
selecting
block
piston
shift
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Expired - Lifetime
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CN201420429286.0U
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Chinese (zh)
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王凡
曹正策
龙成冰
杨力
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TONGYU NEW ENERGY POWER SYSTEM Co Ltd WUHAN UNIVERSITY OF TECHNOLOGY
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TONGYU NEW ENERGY POWER SYSTEM Co Ltd WUHAN UNIVERSITY OF TECHNOLOGY
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Abstract

The utility model provides a kind of mechanical transmission shift-selecting and changing actuating mechanism, it comprises gear selection mechanism, gearshift, shift-selecting and changing actuating mechanism, described gearshift comprises the Master cylinder body of shifting cylinder, be circumscribed with three-position electromagnetic valve above Master cylinder body, the shift shaft of Master cylinder body inside be set with range piston and floating piston; Described shift-selecting and changing actuating mechanism comprises that shifting refers to, shifting refers to be arranged on shifting axle, and its end is connected with shift shaft by locating stud, and gearshift refers to that end is also provided with brake pad and block selecting slide block; Described shifting axle is set with shifting equilibrium block, shifting slide block and shifting limiting stopper; Described gear selection mechanism comprises block selecting cylinder body, and be provided with floating piston in block selecting cylinder body, fixed plug is equipped with at two ends, and block selecting side of cylinder block is provided with angular displacement sensor.The utility model structure is simple, with low cost, have requirement control accuracy low, be applicable to many grades of casees, there is good inheritance.

Description

Mechanical transmission shift-selecting and changing actuating mechanism
Technical field
The utility model technical field of automobile parts, is specifically related to a kind of mechanical transmission shift-selecting and changing actuating mechanism.
Background technique
For automotive transmission, current main trend is automatic transmission (AMT), by being controlled to be become automatic transmission by automatically controlled mode by the gear shifting actuating mechanism of traditional mechanical transmission.The gear shifting actuating mechanism of mechanical transmission generally has drive pattern in electricity-liquid, electric-gas and full electricity 3.
It is on the low side that current gear shifting actuating mechanism existence can control gear, and can not meet the demand of many gears, the control accuracy of requirement is too high, and make mechanical structure and control mode comparatively complicated, inheritance is bad, improves comparatively difficulty.
Exploitation is applicable to many grades of casees, requires that control accuracy is lower, mechanical structure simple, have the gear shifting actuating mechanism of good adoptive mechanical transmission is significantly.
Summary of the invention
Technical problem to be solved in the utility model is the deficiency for above-mentioned existence, provides a kind of structure simple, with low cost, have requirement control accuracy low, be applicable to many grades of casees, there is good adoptive mechanical transmission shift-selecting and changing actuating mechanism.
The utility model solves the technological scheme that its technical problem adopts:
Mechanical transmission shift-selecting and changing actuating mechanism, it comprises gear selection mechanism, gearshift, shift-selecting and changing actuating mechanism, it is characterized in that: described gearshift comprises the Master cylinder body of shifting cylinder, three-position electromagnetic valve is circumscribed with above Master cylinder body, the shift shaft of Master cylinder body inside is set with range piston and floating piston, shift shaft end is provided with oilless bearing, and middle part is provided with shift carriage; Described shift-selecting and changing actuating mechanism comprises that shifting refers to, shifting refers to be arranged on shifting axle, and its end is connected with shift shaft by locating stud, and gearshift refers to that end is also provided with brake pad and block selecting slide block; Described shifting axle is set with shifting equilibrium block, shifting slide block and shifting limiting stopper; Described gear selection mechanism comprises block selecting cylinder body, in block selecting cylinder body, floating piston is installed, fixed plug is equipped with at two ends, and block selecting side of cylinder block is provided with angular displacement sensor, and angular displacement sensor driving lever, angular displacement sensor shift fork, the angular displacement sensor fixed base for stirring angular displacement sensor; Block selecting cylinder body another side is provided with two solenoid valves; Block selecting cylinder base is provided with block selecting and refers to and block selecting position limiting slide block.
In such scheme, described range piston includes right range piston and left range piston, be placed in shifting cylinder, shifting cylinder includes shifting cylinder top and shifting cylinder bottom, shifting cylinder is divided into three chambeies by right range piston and left range piston, and the first floating piston and the second floating piston are enclosed within the outer ring of range piston, and shifting shaft is enclosed within the middle of right range piston and left range piston, through shifting cylinder bottom, enter Master cylinder body.
In such scheme, described right range piston and left range piston and sealed by seal ring between shifting cylinder top and shifting cylinder bottom, first floating piston and also being sealed by seal ring between the first floating piston and shifting shaft, first floating piston and being sealed by seal ring between the first floating piston and shifting cylinder, left range piston right-hand member is touched by seal ring and shifting shaft left end shaft shoulder grafting, shifting shaft right-hand member installs set screw nut, and range piston block is between set screw nut and right range piston.
In such scheme, between described shifting cylinder bottom and left range piston, form a Seal cage, be connected with external tracheae by three-position electromagnetic valve first valve opening; Define a Seal cage between first floating piston, the second floating piston and range piston top, range piston bottom, be connected with external tracheae by three-position electromagnetic valve second valve opening; Right range piston, set screw nut, between range piston block and range piston top, define a Seal cage, be connected with external tracheae by solenoid valve the 3rd valve opening.
In such scheme, described Master cylinder body upper end is connected with gear-selecting cylinder, and lower end is connected with sole piece, and right-hand member is fixedly mounted on case of transmission, makes Master cylinder body form a closed cavity.
In such scheme, described shift carriage is enclosed within shifting shaft right-hand member, shift carriage is fixed on shifting shaft by locating stud, the lower end of locating stud exceeds shift carriage part and extend in sole piece, shifting refers to that the oblate post of lower end is arranged in the draw-in groove of shift carriage, block selecting refers to be arranged in " Y shape " draw-in groove that shifting refers to upper end, and the middle part cover that shifting refers to has block selecting slide block, and shifting refers to be fixed on shifting axle by spline.
In such scheme, described floating piston is arranged in gear-selecting cylinder, two ends are sealed by left fixed plug and right fixed plug respectively and fix, " mouth " is had empty in the middle of floating piston, block selecting refers to be arranged in " mouth ", the centre of the upper end that block selecting refers to and floating piston all has circular empty, it is aerial that angular displacement sensor driving lever is positioned at this circle, the other end is arranged in " Y shape " groove of angular displacement sensor shift fork, the angular displacement sensor shift fork the other end is arranged in angular displacement sensor, on angular displacement sensor angular displacement sensor fixed base, be fixed on gear-selecting cylinder housing together, block selecting refers to that the lower end cover being positioned at floating piston part has block selecting limit friction block.
In such scheme, described shifting axle right end portion is arranged in Master cylinder body, refer to be fixed together by spline and shifting, refer to that " Y shape " lower end has circular port in shifting simultaneously, circular port is had in the spline of shifting axle, locating stud is arranged in shifting and refers to the circular port with shifting axle, when shifting axle is through Master cylinder body, oilless bearing is housed, and be lined with sealing gasket at the Master cylinder body end face at this place, the other end of shifting axle is supported in supporting base, supporting base is lined with sealing gasket, the shifting axle being in sealing gasket and sealing gasket intermediate portion is arranged in mechanical gear box, the shifting axle of this part is provided with shifting spindle balance block weight, shifting limiting stopper, first shifting slide block, second shifting slide block, 3rd shifting slide block, back-up ring, gear shaft equilibrium block is heavily fixed on shifting axle by fixing pin, shifting limiting stopper is fixed on shifting axle by fixing pin, shift carriage is optionally fixed on shifting axle by the fixing pin that moves axially through of shifting axle, realize block selecting operation, shifting position limit pin is fixed on shifting limiting stopper, simultaneously with the first shifting slide block, second shifting slide block, 3rd shifting slide block connects.
Working principle of the present utility model is: shift-selecting and changing actuating mechanism comprises gear selection mechanism, gearshift, gear shift mechanism three parts, gear selection mechanism makes block selecting floating piston be in closely by the opening and closing of control two solenoid valves, empty, move back three different positions, block selecting refers to the translation of block selecting floating piston to be converted into the translation that shifting refers to, shifting refers to be fixed together between shifting axle, thus realize the translation of shifting axle, realize the selection of gear, the translation of block selecting floating piston is converted into rotation by angular displacement sensor shift fork and driving lever, the position of block selecting floating piston is fed back by angular displacement sensor, the automatically controlled of gear selection mechanism is realized with this, gear shifting actuating mechanism by the opening and closing controlling three-position electromagnetic valve make shifting shaft can be in accurately into, empty, move back three positions, because power demand during gearshift is larger, therefore need a three-position electromagnetic valve, shift carriage is fixed on shifting shaft, shifting refers to be positioned among shift carriage, the translation of shifting cylinder is made to have changed into the rotation of shifting axle, make the shifting slide block being in each gear can accurately control to into, empty, move back three positions, by the position of displacement transducer feedback shifting shaft, realize the automatically controlled of gearshift, excessive in order to prevent controlling dynamics when block selecting, gearshift, block selecting refers to, shift carriage, shifting refer to, shifting slide block is equipped with position limiting slide block, avoids block selecting and gearshift excessively, reduces the control accuracy requirement of actuator.To sum up, automatically controlled automatic shifting can be realized by the cooperation of gear selection mechanism, gearshift, shift-selecting and changing actuating mechanism.
The beneficial effects of the utility model are:
1. by gear selection mechanism and gearshift arranged apart, reduce the volume of shift-selecting and changing actuating mechanism, make it possible to the mechanical transmission adapting to multiple gear, there is good inheritance.
2. block selecting refers to, shift carriage, shifting refer to, shifting slide block is equipped with position limiting slide block, avoids block selecting excessively excessive with gearshift, reduces the control accuracy requirement of actuator.
3. gear shifting actuating mechanism adopts three-position electromagnetic valve, makes gearshift output power comparatively large, can adapt to the mechanical transmission of various different automobile types.
4. compact structure, easy for installation, gear selection mechanism and gearshift accurate positioning are good with traditional mechanical transmission adaptability.
Accompanying drawing explanation
Fig. 1 is that the utility model example changes overall structure plan view;
Fig. 2 is the utility model example gear shift mechanism left view;
Fig. 3 is the utility model example gear selection mechanism plan view;
Fig. 4 is that the utility model example shifting refers to and shifting shaft connection diagram;
Fig. 5 is the utility model example shift slot structural representation.
In figure: 1-angular displacement sensor; 2-gear-selecting cylinder; 3-lining; 4-floating piston; 5-block selecting refers to; 6-shifting axle; 7-shifting refers to; 8-bis-solenoid valves; 9-three-position electromagnetic valve; 10-three-position electromagnetic valve first valve opening; 11-upper casing seal ring; 12-three-position electromagnetic valve second valve opening; The upper Simmer ring of 13-; 14-three-position electromagnetic valve the 3rd valve opening; 15-range piston; 16-range piston block; 17-shifting cylinder top; 18-set screw nut; The right seal ring of 19-; 20-first floating piston; 21-lower casing seal ring; The left packing ring of 22-; The right packing ring of 23-; 24-second floating piston; Simmer ring under 25-; 26-range piston; The left seal ring of 27-; 28-end part seal pad; 29-shifting cylinder bottom; 30-oilless bearing; 31-brake pad; 32-shift carriage; 33-fixing pin; 34-block selecting slide block; 35-sole piece; 36-oilless bearing; 37-shifting shaft; 38-Master cylinder body; The left fixed plug of 39-; 40-angular displacement sensor driving lever; 41-lining; The right fixed plug of 42-; 43-block selecting limit friction block; 44-shifting spindle balance block; 45-shifting limiting stopper; 46-the 3rd locating stud; 47-the 4th locating stud; 48-first shifting slide block; 49-second shifting slide block; 50-the 3rd shifting slide block; 51-back-up ring; The right sealing gasket of 52-; 53-supporting base; 54-shifting position limit pin; 55-first locating stud; 56-oilless bearing; The left sealing gasket of 57-; 58-second locating stud; 59-bis-solenoid valve first valve openings; 60-bis-solenoid valve second valve openings; 61-angular displacement sensor fixed base; 62-angular displacement sensor shift fork.
Embodiment
Below in conjunction with embodiment, the utility model is further described:
As shown in Figure 1, Figure 2, Figure 3 shows, the utility model embodiment mechanical transmission shift-selecting and changing actuating mechanism comprises gearshift, gear selection mechanism and shift-selecting and changing actuating mechanism.In gearshift, right range piston 15 and left range piston 26 are placed in the Master cylinder body 38 of shifting cylinder, shifting cylinder is made up of shifting cylinder top 17 and gearshift tracheae bottom 29 two-part, shifting cylinder is divided into three chambeies by right range piston 15 and left range piston 26, first floating piston 20 and the second floating piston 24 are enclosed within the outer ring of right range piston 15, shifting shaft 37 is enclosed within the middle of right range piston 15 and left range piston 26, through shifting cylinder bottom 29, enter Master cylinder body 38.Right range piston 15 and left range piston 26 and sealed by right seal ring 19 and left seal ring 27 between shifting cylinder top 17 and shifting cylinder bottom 29, first floating piston 20 and between the first floating piston 24 and shifting shaft by upper Simmer ring 13, left packing ring 22, right packing ring 23, lower Simmer ring 25 seals, first floating piston 20 and between the first floating piston 24 and shifting cylinder by upper casing seal ring 11, lower casing seal ring 21 seals, left range piston 26 right-hand member is touched by end part seal pad 28 and shifting shaft 37 left end shaft shoulder grafting, shifting shaft 37 right-hand member installs set screw nut 18, range piston block 16 is between set screw nut 18 and right range piston 15.Form a Seal cage between shifting cylinder bottom 29 and left seal ring 27, end part seal pad 28, left range piston 26, be connected with external tracheae by three-position electromagnetic valve first valve opening 10; Define a Seal cage between first floating piston 20, second floating piston 24, upper casing seal ring 11, lower casing seal ring 21 and range piston top 17, range piston bottom 29, be connected with external tracheae by three-position electromagnetic valve second valve opening 12; Right range piston 15, right seal ring 19, set screw nut 18, between range piston block 16 and range piston top 17, define a Seal cage, be connected with external tracheae by solenoid valve the 3rd valve opening 14.In gear selection mechanism, floating piston 4 is arranged in gear-selecting cylinder 2, two ends are sealed by left fixed plug 39 and right fixed plug 42 and are fixed respectively, " mouth " is had empty in the middle of floating piston 4, block selecting refers to that 5 are arranged in " mouth ", it is circular empty that block selecting refers to that the upper end of 5 and the centre of floating piston 4 all have, it is aerial that angular displacement sensor driving lever 40 is positioned at this circle, the other end is arranged in " Y shape " groove of angular displacement sensor shift fork 62, angular displacement sensor shift fork 62 the other end is arranged in angular displacement sensor 1, on angular displacement sensor 1 angular displacement sensor fixed base 61, be fixed on gear-selecting cylinder 2 housing together, block selecting refers to that 5 have block selecting limit friction block 43 at the lower end cover being positioned at floating piston 4 part.Floating piston 4, lining 3 and left fixed plug 39, gear-selecting cylinder 2 form the chamber of a sealing, are connected with two solenoid valve first valve openings 59 by perforate circular in left fixed plug 39 with extraneous tracheae; Floating piston 4, lining 3 and right fixed plug 42, gear-selecting cylinder 2 form the chamber of another sealing, are connected with two battery valve second valve openings 60 by perforate circular in right fixed plug 42 with extraneous tracheae; Two solenoid valves 8 are fixed on the shell of gear-selecting cylinder 2 admittedly.In shift-selecting and changing actuating mechanism, shifting axle 6 right end portion is arranged in Master cylinder body 38, refer to that 7 are fixed together by spline and shifting, refer to that 7 " Y shapes " are controlled lower end and had circular port in shifting simultaneously, circular port is had in the spline of shifting axle 6, first locating stud 55 is arranged in the circular port that shifting refers to 7 and shifting axle 6, when shifting axle 6 is through Master cylinder body 38, oilless bearing 56 is housed, and be lined with left sealing gasket 57 at Master cylinder body 38 end face at this place, the other end of shifting axle 6 is supported in supporting base 53, supporting base 53 is lined with right sealing gasket 52, the shifting axle 6 being in left sealing gasket 57 and right sealing gasket 52 intermediate portion is arranged in mechanical gear box, the shifting axle 6 of this part is provided with shifting spindle balance block and weighs 44, shifting limiting stopper 45, first shifting slide block 48, second shifting slide block 49, 3rd shifting slide block 50, back-up ring 51, shifting spindle balance 44 is fixed on shifting axle 6 by the first locating stud 55, shifting limiting stopper 45 is fixed on shifting axle 6 by the 3rd fixing pin 46, three shifting slide blocks are optionally fixed on shifting axle 6 by the 4th locating stud 47 that moves axially through of shifting axle 6, realize block selecting operation, shifting position limit pin 54 is fixed on shifting limiting stopper 45, simultaneously with the first shifting slide block 48, second shifting slide block 49, 3rd shifting slide block 50 connects.
As shown in Figure 4, shift carriage 32 is enclosed within shifting shaft 37 left end, both is fixed together by fixing pin 33, simultaneously the lower end of fixing pin 33 slightly extension; Shifting refers to that the 7 oblate posts in lower end are arranged in the draw-in groove of shift carriage 32, moving horizontally of shifting shaft 37 is converted into the rotation that shifting refers to 7, realizes gear shifting action; Block selecting refers to that 5 are arranged in " Y shape " groove that shifting refers to 7 upper ends, moving horizontally of floating piston in gear selection mechanism 4 is converted into shifting and refers to 7 moving axially perpendicular to paper, realizes block selecting action.
As shown in Figure 2, shifting shaft 37 left end, shift carriage 32, fixing pin 33, brake pad 31, block selecting slide block 34, shifting refer to that 7 are all arranged in Master cylinder body 38, Master cylinder body 38 upper end gear-selecting cylinder 2 connects, lower end is connected with sole piece 35, right-hand member is fixed on case of transmission, makes Master cylinder body 38 form a closed cavity; Fixing pin 33 and brake pad 31 are enclosed within the lower end that shifting refers to 7, for limiting inordinate rotation and the moving axially along shifting axle 6 that shifting refers to 7; Shifting axle 6 and shifting refer to 7 between by spline joint, and by the second locating stud 58, both to be fixed together.As shown in Figure 1, fixing pin 33 extension is arranged in sole piece 35, for excessively moving axially of shifting shaft 37.
As shown in Figure 5, gear shifting actuating mechanism gear groove structural representation in the utility model example, applicable mechanical transmission has five forward, a reverse gear, therefore shifting axle is provided with the first shifting slide block 48, second shifting slide block 49, 3rd shifting slide block 50, by shifting, each shifting slide block refers to that the rotation of 7 can turn to three positions, correspond respectively to into, empty, move back three gears, namely the first shifting slide block 48 corresponds to 1 gear, neutral, 2 gears, second shifting slide block 49 corresponds to 3 gears, neutral, 4 gears, 3rd shifting slide block 50 corresponds to 5 gears, neutral, R keeps off.Therefore, when each gear shift mechanism is shifted gears, first corresponding shifting slide block will be made to fall back on neutral gear position, the position of feeding back floating piston 4 by angular displacement sensor 1 again judges whether to need to carry out block selecting operation, after block selecting work completes, three shifting slide blocks are in neutral gear position, then carry out gearshift work by the position of displacement transducer feedback shifting shaft 37.
As shown in Figure 1, when opening three-position electromagnetic valve first valve opening 10 and three-position electromagnetic valve second valve opening 12, making the increase of airtight cavity due to air inflow of its corresponding connection, by pressure, shifting shaft 37 being moved right, thus drive shifting to refer to 7 counter-clockwise swings, realize gear shifting action; When three-position electromagnetic valve first valve opening 10 and three-position electromagnetic valve second valve opening 12 lose heart simultaneously, shifting shaft is moved to the left, and returns to neutral; When opening three-position electromagnetic valve the 3rd valve opening 14 and three-position electromagnetic valve second valve opening 12, make the increase of airtight cavity due to air inflow of its corresponding connection, by pressure, shifting shaft 37 is moved to the left, thus 7 swing to drive shifting to refer to, realize gear shifting action along pin; When three-position electromagnetic valve the 3rd valve opening 14 and three-position electromagnetic valve second valve opening 12 lose heart simultaneously, shifting shaft moves right, and returns to neutral.
As shown in Figure 3, when opening two solenoid valve first valve openings 59 and opening, gas by left fixed plug 39 open circular hole and enter and think in corresponding Seal cage, chamber pressure is increased, floating piston 4 is moved right, drive shifting to refer to that 7 move along the axial left end of shifting axle 6, realize block selecting action; When two solenoid valve first valve openings 59 lose heart, floating piston 4 is moved to the left, drives shifting to refer to that 7 move along the axial right-hand member of shifting axle 6, realize block selecting action; When opening two solenoid valve second valve openings 60 and opening, gas by right fixed plug 42 open circular hole and enter and think, in corresponding Seal cage, chamber pressure to be increased, floating piston 4 is moved to the left, drive shifting to refer to that 7 move along the axial right-hand member of shifting axle 6, realize block selecting action; When two solenoid valve second valve openings 60 lose heart, floating piston 4 is moved right, drive shifting to refer to that 7 move along the axial left end of shifting axle 6, realize block selecting action.
More than illustrate and be only Application Example of the present utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalence change that the utility model claim is done, still belong to protection domain of the present utility model.

Claims (8)

1. mechanical transmission shift-selecting and changing actuating mechanism, it comprises gear selection mechanism, gearshift, shift-selecting and changing actuating mechanism, it is characterized in that: described gearshift comprises the Master cylinder body of shifting cylinder, three-position electromagnetic valve is circumscribed with above Master cylinder body, the shift shaft of Master cylinder body inside is set with range piston and floating piston, shift shaft end is provided with oilless bearing, and middle part is provided with shift carriage; Described shift-selecting and changing actuating mechanism comprises that shifting refers to, shifting refers to be arranged on shifting axle, and its end is connected with shift shaft by locating stud, and gearshift refers to that end is also provided with brake pad and block selecting slide block; Described shifting axle is set with shifting equilibrium block, shifting slide block and shifting limiting stopper; Described gear selection mechanism comprises block selecting cylinder body, in block selecting cylinder body, floating piston is installed, fixed plug is equipped with at two ends, and block selecting side of cylinder block is provided with angular displacement sensor, and angular displacement sensor driving lever, angular displacement sensor shift fork, the angular displacement sensor fixed base for stirring angular displacement sensor; Block selecting cylinder body another side is provided with two solenoid valves; Block selecting cylinder base is provided with block selecting and refers to and block selecting position limiting slide block.
2. mechanical transmission shift-selecting and changing actuating mechanism as claimed in claim 1, it is characterized in that, described range piston includes right range piston and left range piston, be placed in shifting cylinder, shifting cylinder includes shifting cylinder top and shifting cylinder bottom, shifting cylinder is divided into three chambeies by right range piston and left range piston, first floating piston and the second floating piston are enclosed within the outer ring of range piston, shifting shaft is enclosed within the middle of right range piston and left range piston, through shifting cylinder bottom, enter Master cylinder body.
3. mechanical transmission shift-selecting and changing actuating mechanism as claimed in claim 2, it is characterized in that, described right range piston and left range piston and sealed by seal ring between shifting cylinder top and shifting cylinder bottom, first floating piston and also being sealed by seal ring between the first floating piston and shifting shaft, first floating piston and being sealed by seal ring between the first floating piston and shifting cylinder, left range piston right-hand member is touched by seal ring and shifting shaft left end shaft shoulder grafting, shifting shaft right-hand member installs set screw nut, range piston block is between set screw nut and right range piston.
4. mechanical transmission shift-selecting and changing actuating mechanism as claimed in claim 1, be is characterized in that, form a Seal cage between described shifting cylinder bottom and left range piston, be connected by three-position electromagnetic valve first valve opening with external tracheae; Define a Seal cage between first floating piston, the second floating piston and range piston top, range piston bottom, be connected with external tracheae by three-position electromagnetic valve second valve opening; Right range piston, set screw nut, between range piston block and range piston top, define a Seal cage, be connected with external tracheae by solenoid valve the 3rd valve opening.
5. mechanical transmission shift-selecting and changing actuating mechanism as claimed in claim 1, it is characterized in that, described Master cylinder body upper end is connected with gear-selecting cylinder, and lower end is connected with sole piece, right-hand member is fixedly mounted on case of transmission, makes Master cylinder body form a closed cavity.
6. mechanical transmission shift-selecting and changing actuating mechanism as claimed in claim 1, it is characterized in that, described shift carriage is enclosed within shifting shaft right-hand member, shift carriage is fixed on shifting shaft by locating stud, the lower end of locating stud exceeds shift carriage part and extend in sole piece, and shifting refers to that the oblate post of lower end is arranged in the draw-in groove of shift carriage, and block selecting refers to be arranged in " Y shape " draw-in groove that shifting refers to upper end, the middle part cover that shifting refers to has block selecting slide block, and shifting refers to be fixed on shifting axle by spline.
7. mechanical transmission shift-selecting and changing actuating mechanism as claimed in claim 1, it is characterized in that, described floating piston is arranged in gear-selecting cylinder, two ends are sealed by left fixed plug and right fixed plug respectively and fix, " mouth " is had empty in the middle of floating piston, block selecting refers to be arranged in " mouth ", the centre of the upper end that block selecting refers to and floating piston all has circular empty, it is aerial that angular displacement sensor driving lever is positioned at this circle, the other end is arranged in " Y shape " groove of angular displacement sensor shift fork, the angular displacement sensor shift fork the other end is arranged in angular displacement sensor, on angular displacement sensor angular displacement sensor fixed base, be fixed on gear-selecting cylinder housing together, block selecting refers to that the lower end cover being positioned at floating piston part has block selecting limit friction block.
8. mechanical transmission shift-selecting and changing actuating mechanism as claimed in claim 1, it is characterized in that, described shifting axle right end portion is arranged in Master cylinder body, refer to be fixed together by spline and shifting, refer to that " Y shape " lower end has circular port in shifting simultaneously, circular port is had in the spline of shifting axle, in circular port both locating stud inserts, when shifting axle is through Master cylinder body, oilless bearing is housed, and be lined with sealing gasket at the Master cylinder body end face at oilless bearing place, the other end of shifting axle is supported in supporting base, supporting base is lined with sealing gasket, the shifting axle being in two sealing gasket intermediate portions is arranged in mechanical gear box, the shifting axle of this part is provided with shifting spindle balance block weight, shifting limiting stopper, first shifting slide block, second shifting slide block, 3rd shifting slide block, back-up ring, gear shaft equilibrium block is heavily fixed on shifting axle by fixing pin, shifting limiting stopper is fixed on shifting axle by fixing pin, shifting position limit pin is fixed on shifting limiting stopper, simultaneously with the first shifting slide block, second shifting slide block, 3rd shifting slide block connects.
CN201420429286.0U 2014-08-01 2014-08-01 Mechanical transmission shift-selecting and changing actuating mechanism Expired - Lifetime CN204253839U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104930183A (en) * 2015-05-27 2015-09-23 詹志勇 Electrically-controlled pneumatic gear selecting and shifting execution mechanism of automatic mechanical transmission
CN108692010A (en) * 2017-05-19 2018-10-23 襄阳宇清电驱动科技有限公司 A kind of integrated pneumatic gear shifting actuating mechanism of AMT speed changers
CN113847298A (en) * 2021-09-29 2021-12-28 潍柴动力股份有限公司 Gearbox flexible cylinder actuating mechanism and control method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104930183A (en) * 2015-05-27 2015-09-23 詹志勇 Electrically-controlled pneumatic gear selecting and shifting execution mechanism of automatic mechanical transmission
CN108692010A (en) * 2017-05-19 2018-10-23 襄阳宇清电驱动科技有限公司 A kind of integrated pneumatic gear shifting actuating mechanism of AMT speed changers
CN113847298A (en) * 2021-09-29 2021-12-28 潍柴动力股份有限公司 Gearbox flexible cylinder actuating mechanism and control method

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