CN202402615U - Driving mechanism for automated mechanical transmission (AMT) - Google Patents

Driving mechanism for automated mechanical transmission (AMT) Download PDF

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Publication number
CN202402615U
CN202402615U CN2011205632777U CN201120563277U CN202402615U CN 202402615 U CN202402615 U CN 202402615U CN 2011205632777 U CN2011205632777 U CN 2011205632777U CN 201120563277 U CN201120563277 U CN 201120563277U CN 202402615 U CN202402615 U CN 202402615U
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CN
China
Prior art keywords
gearshift
cylinder
block selecting
axle
driving
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN2011205632777U
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Chinese (zh)
Inventor
吴苾曜
周兴利
梁锋
欧阳石坤
谢波
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.)
Guangxi Yuchai Machinery Co Ltd
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Guangxi Yuchai Machinery Co Ltd
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Priority to CN2011205632777U priority Critical patent/CN202402615U/en
Application granted granted Critical
Publication of CN202402615U publication Critical patent/CN202402615U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model discloses a driving mechanism for an automated mechanical transmission (AMT). The mechanism comprises a gear shift shaft, a gear selection cylinder or gear selection hydraulic cylinder, a gear selection arm, a gear shift cylinder or gear shift hydraulic cylinder and a rocker arm, wherein the gear shift shaft axially and circumferentially moves to drive a gear shift device in the transmission; a push rod of the gear selection cylinder or gear selection hydraulic cylinder is parallel to the gear shift shaft; one end of the gear selection arm is connected to an outer shaft of the gear shift shaft in a mode that one end can rotate and cannot axially move, and the other end of the gear selection arm is fixedly connected to the push rod of the gear selection cylinder or gear selection hydraulic cylinder; a push rod of the gear shift cylinder or gear shift hydraulic cylinder is perpendicular to the gear shift shaft; and one end of the rocker arm is in splined joint with the gear shift shaft, and the other end of the rocker arm is rotatably connected to the push rod of the gear shift cylinder or gear shift hydraulic cylinder through a connecting rod. The cylinders or hydraulic cylinders are used as gear shift power sources, so that cost is low, the control strategy is simple, the gear is quickly and reliably shifted, and the cylinders or hydraulic cylinders cannot be damaged.

Description

The driving mechanism of electric control mechanical type automatic speed variator
Technical field
The utility model relates to the automatic transmission technical field, relates to a kind of driving mechanism that is used for electric control mechanical type automatic speed variator in particular.
Background technique
Electric control mechanical type automatic speed variator (Automated Mechanical Transmission); Be called for short AMT; Its concrete condition is a parent with the manual transmission exactly; Lean on the parts of human control to realize manipulation automatically on the selector fork of manual transmission, the axle of shifting gears etc., the pilot control automobile is the same with self-shifting, has so just realized the automation of manual transmission.AMT had both had hydraulic automatic speed variator self-shifting advantage, had kept the gear-driven efficient height of former manual transmission, low, simple in structure, the easy strong point of making of cost again.It has integrated the two advantage, with distinctive economy, convenience, safety, travelling comfort and enjoy all drivers' welcome, becomes various countries' hot of research and development.
Existing AMT is made up of following several parts:
1, speed changer body: being generally traditional mechanical formula manual transmission, is example with 5 shift transmissions, and gearshift axle can 3 positions of axial motion, circumferentially rotate 3 positions, thereby realizes that 5 gears and one are reversed gear and the variation of neutral;
2, controller:, according to circumstances send instruction driving driving mechanism and select gearshift through collecting the car load operation information;
3, driving mechanism: receive that parts such as instruction rear driving gearshift axle that controller sends or selector fork shift gears.
Be the AMT that Qijiang Gear Transmission Co., Ltd. produces with the most approaching technological scheme of the utility model in the technology now; It is to make the axial motion of gearshift axle with the motor shift fork; Drive another gear on the gearshift axle through another motor driven gear again, the gearshift axle is rotated.Thisly be designed with following shortcoming:
1, two motors need be set, cost an arm and a leg;
2, motor can not accurately be controlled the angle of rotation, therefore can not accurately control the angle of gearshift axle axial displacement and rotation;
3, the control strategy more complicated of controller; Because if the control motor stops in position accurately; And guarantee to shift gears the time fast, experience the high pulling torque starting, decide the rotating speed operation, motor subtracts moment of torsion in advance to zero these steps, arrives accurate position through part inertia then; The process more complicated is difficult to guarantee control accuracy;
4, because of using the rotation of motor-driven gear sub-control gearshift axle, and shift of transmission also is that combination through gear pair realizes, if two gear apical tooths just occur during gearshift, the stall phenomenon can appear in motor, causes motor to damage easily.
The model utility content
The utility model provides a kind of driving mechanism of electric control mechanical type automatic speed variator; Adopt cylinder or oil hydraulic cylinder power source as gearshift; Not only cost is lower, and because of the stroke and the thrust of cylinder or oil hydraulic cylinder all is definite value, so control strategy is simple; The gearshift fast and reliable can not cause cylinder or oil hydraulic cylinder to damage.
The utility model is to adopt following technological scheme to realize above-mentioned purpose: a kind of driving mechanism of electric control mechanical type automatic speed variator includes:
Gearshift axle is axle construction always, and through moving axially and circumferentially rotating the gearshift that drives in the speed changer, an end of this gearshift axle is interior, is connected in the speed changer, and the other end is an outer shaft, stretches out in outside the speed changer, and this outer shaft is provided with external splines;
Block selecting cylinder/block selecting oil hydraulic cylinder is used for driving the gearshift axle and moves vertically, and the push rod of this block selecting cylinder/block selecting oil hydraulic cylinder is parallel with this gearshift axle;
The block selecting arm is a rod-like structure, and an end of this block selecting arm turns but can not axially movablely be connected on the outer shaft of this gearshift axle, and the other end is fixedly connected on the push rod of block selecting cylinder/block selecting oil hydraulic cylinder;
Gearshift cylinder/gearshift oil hydraulic cylinder is used for driving the gearshift axle along circumferentially rotating, and the push rod of this gearshift cylinder/gearshift oil hydraulic cylinder is vertical with this gearshift axle;
Rocking arm; The straight line motion of cylinder/gearshift oil hydraulic cylinder of being used for shifting gears converts the circumferential rotation of gearshift axle into; One end of this rocking arm is provided with internal spline; The other end is by on the rotating push rod that is connected gearshift cylinder/gearshift oil hydraulic cylinder of a connecting rod, the corresponding spline connection of external splines of the internal spline of this rocking arm and gearshift axle.
As further specifying of such scheme:
Preferably, the push rod of said block selecting cylinder/block selecting oil hydraulic cylinder has the plural off-position that ends to put, so that the gearshift axle has at least two to end off-position and put at its axial direction.
Preferably, the push rod of said gearshift cylinder/gearshift oil hydraulic cylinder has the off-position that ends more than three to put, so that the gearshift axle has at least three to end off-position and put at its circumferencial direction.
Preferably, said gearshift cylinder and/or block selecting cylinder are the segmented cylinder, and this segmented cylinder includes the cylinder that a plurality of head and the tail connect successively, and the head and the tail contact connection successively of the push rod of these a plurality of cylinders.
Preferably; Said gearshift axle be provided with limit stoper, outside thread and with the locking nut of this outside thread corresponding matching; Said block selecting arm is provided with and this corresponding hole of gearshift axle with the end that this gearshift axle connects; This block selecting arm is enclosed within on the gearshift axle through this hole is rotating, and limits the displacement to axial of block selecting arm and gearshift axle by this locking nut and limit stoper.
Preferably, said limit stoper is the bearing pin that the shaft shoulder, back-up ring or edge gearshift shaft diameter direction are provided with.
Preferably, also be provided with thrust-bearing between said block selecting arm and the limit stoper and between block selecting arm and the locking nut.
Preferably, said rocking arm by a rod hinge connection the gearshift cylinder/gearshift oil hydraulic cylinder push rod on.
The beneficial effect that the utility model adopts above technological scheme to reach is:
1. the driving mechanism of the described electric control mechanical type automatic speed variator of the utility model is provided with the power source of two cylinder/oil hydraulic cylinders as gearshift; Cost is than low many of two motors; And the thrust of cylinder/oil hydraulic cylinder is constant, even the apical tooth phenomenon occurs in the speed changer during gearshift, cylinder/oil hydraulic cylinder also can be kept constant thrust always; Till changing to gear, can not cause cylinder to damage because changing to advance retaining.
2. the power source of the described driving mechanism of the utility model is cylinder/oil hydraulic cylinder; Because of having the fixing off-position that ends, puts the push rod of cylinder/oil hydraulic cylinder; I.e. release is a definite value with the distance of rollback, thus can accurately control the angle of gearshift axle axial displacement and rotation, and the thrust of push rod is constant; The fast and reliable that so not only is quick on the draw, shifts gears, and make that the control strategy of controller is fairly simple.
Description of drawings
Fig. 1 is the schematic top plan view of the said electric control mechanical type automatic speed variator driving mechanism of the utility model;
Fig. 2 is the schematic rear view of the said electric control mechanical type automatic speed variator driving mechanism of the utility model;
Fig. 3 is the structural representation of the gearshift axle of the said electric control mechanical type automatic speed variator driving mechanism of the utility model;
Fig. 4 is the structural representation of the rocking arm of the said electric control mechanical type automatic speed variator driving mechanism of the utility model;
Fig. 5 is the structural representation of the segmented cylinder of the said electric control mechanical type automatic speed variator driving mechanism of the utility model.
Description of reference numerals:
The 1-cylinder of shifting gears, 2-connecting rod, 3-rocking arm, the 4-axle of shifting gears, 5-locking nut, 6-thrust-bearing, 7-speed changer, 8-block selecting arm, 9-block selecting cylinder, 41-external splines, 42-outside thread, 43-back-up ring.
Embodiment
For further setting forth the 26S Proteasome Structure and Function of the utility model, below in conjunction with accompanying drawing and preferred embodiment the utility model is elaborated, but the protection domain that is to be understood that the utility model does not receive the restriction of embodiment.
Fig. 1 and Fig. 2 are respectively the schematic top plan view and the schematic rear view of the said electric control mechanical type automatic speed variator driving mechanism of the utility model, and shown in figure, the described electric control mechanical type automatic speed variator driving mechanism of the utility model includes:
A gearshift axle 4, this gearshift axle 4 is the d-axis structure, it is through moving axially and circumferentially rotating the gearshift that drives in the speed changer 7; One end of this gearshift axle 4 is interior axle, is connected in the speed changer 7, and the other end is an outer shaft; Stretch out in outside the speed changer 7, the concrete structure of this gearshift axle 4 can be participated in Fig. 3, shown in figure; The outer shaft of this gearshift axle 4 by its end inwardly be provided with successively external splines 41, outside thread 42, back-up ring 43 and with the locking nut 5 of these outside thread 42 corresponding matching; Its guide ring 43 mainly plays position-limiting action, in other embodiments, and the bearing pin that can also replace with the shaft shoulder or be provided with along gearshift axle 4 diametric(al)s;
A block selecting cylinder 9 is used for driving gearshift axle 4 and moves vertically, and the piston rod of this block selecting cylinder 9 is parallel with this gearshift axle 4, and the selection of this block selecting cylinder 9 is according to deciding according to the gear of speed changer 7; If three shift transmissions then select for use common cylinder to get final product, if Five block transmission then need be selected segmented cylinder or multiposition cylinder; Promptly requiring piston rod to have three to end off-position and put, and then make gearshift axle 4 have three to end off-position and put at its axial direction, is example with the Five block transmission in the present embodiment; Block selecting cylinder 9 is the segmented cylinder, and Fig. 5 is the structural representation of segmented cylinder among this embodiment, shown in figure; When the air inlet of A mouth, when B, C, the entering of D mouth non-compressed air, the overhang of piston rod is for the shortest; When the air inlet of D mouth, the overhang of piston rod is an intermediate value when A, B, C, the entering of mouth non-compressed air, when the air inlet of B mouth; When A, C, the entering of D mouth non-compressed air, the overhang of piston rod is a maximum value, and can reach piston rod like this has three to end the requirement that off-position is put;
A shaft-like block selecting arm 8; The two ends of this block selecting arm 8 are respectively equipped with two holes; The hole of one of which end is rotating to be enclosed within on the outer shaft of gearshift axle 4, also is respectively equipped with two thrust-bearings 6 in the both sides in this hole, and the rotational lock nut 5 then; This end of this block selecting arm 8 is clamped between back-up ring 43 and the locking nut 5; To limit moving axially between block selecting arm 8 and the gearshift axle 4, the other end of this block selecting arm 8 also is fixedly connected on the piston rod of block selecting cylinder 9 by nut through the hole, thereby converts the axial displacement of piston rod the axial displacement of block selecting arm 8 into;
A gearshift cylinder 1 is used for driving gearshift axle 4 along circumferentially rotating, and the push rod of this gearshift cylinder 1 is vertical with this gearshift axle 4, and for Five block transmission, gearshift axle 4 needs to rotate three positions, the cylinder 1 of therefore shifting gears need have three only off-position put;
A rocking arm 3; The straight line motion of cylinder 1 of being used for shifting gears converts the circumferential rotation of gearshift axle 4 into, and Fig. 4 is the structural representation of this rocking arm 3, shown in figure; One end of this rocking arm 3 is provided with internal spline; The other end is provided with a circular hole, and this rocking arm 3 is hinged on by a connecting rod 2 on the piston rod of gearshift cylinder 1 through this circular hole, and the internal spline of this rocking arm 3 connects with the external splines 41 corresponding splines of gearshift axle 4; Can make rocking arm 3 can drive gearshift axle 4 like this and rotate, can move to axial with gearshift axle 4 again.
The above is a kind of mode of execution of the said electric control mechanical type automatic speed variator driving mechanism of the utility model; Break-make through controller control source of the gas; Make gearshift cylinder 1 arrive different positions respectively with the piston rod of block selecting cylinder 9; Can realize the automatic manipulation of axle 4 of shifting gears, thereby realize speed changer 7 self shifter.
Cylinder in the foregoing description can also change the oil hydraulic cylinder with same effect into, replaces with common oil hydraulic cylinder or directly drives the gearshift axle by the rack piston oil hydraulic cylinder like the cylinder 1 of will shifting gears and rotate, and block selecting cylinder 9 is replaced with telescopic hydraulic cylinder or the like.
Be merely the part of the utility model preferred embodiment shown in the utility model the foregoing description and the accompanying drawing; Can not limit to the utility model with this; Under the condition that does not break away from the utility model marrow, any change that those skilled in the art did all belongs to the protection domain of the utility model.

Claims (8)

1. the driving mechanism of an electric control mechanical type automatic speed variator is characterized in that, includes:
Gearshift axle is axle construction always, and through moving axially and circumferentially rotating the gearshift that drives in the speed changer, an end of this gearshift axle is interior, is connected in the speed changer, and the other end is an outer shaft, stretches out in outside the speed changer, and this outer shaft is provided with external splines;
Block selecting cylinder/block selecting oil hydraulic cylinder is used for driving the gearshift axle and moves vertically, and the push rod of this block selecting cylinder/block selecting oil hydraulic cylinder is parallel with this gearshift axle;
The block selecting arm is a rod-like structure, and an end of this block selecting arm turns but can not axially movablely be connected on the outer shaft of this gearshift axle, and the other end is fixedly connected on the push rod of block selecting cylinder/block selecting oil hydraulic cylinder;
Gearshift cylinder/gearshift oil hydraulic cylinder is used for driving the gearshift axle along circumferentially rotating, and the push rod of this gearshift cylinder/gearshift oil hydraulic cylinder is vertical with this gearshift axle;
Rocking arm; The straight line motion of cylinder/gearshift oil hydraulic cylinder of being used for shifting gears converts the circumferential rotation of gearshift axle into; One end of this rocking arm is provided with internal spline; The other end is by on the rotating push rod that is connected gearshift cylinder/gearshift oil hydraulic cylinder of a connecting rod, the corresponding spline connection of external splines of the internal spline of this rocking arm and gearshift axle.
2. the driving mechanism of electric control mechanical type automatic speed variator according to claim 1 is characterized in that, the push rod of said block selecting cylinder/block selecting oil hydraulic cylinder has the plural off-position that ends to put, so that the gearshift axle has at least two to end off-position and put at its axial direction.
3. the driving mechanism of electric control mechanical type automatic speed variator according to claim 1 is characterized in that, the push rod of said gearshift cylinder/gearshift oil hydraulic cylinder has the off-position that ends more than three to put, so that the gearshift axle has at least three to end off-position and put at its circumferencial direction.
4. according to the driving mechanism of claim 2 or 3 described electric control mechanical type automatic speed variators; It is characterized in that; Said gearshift cylinder and/or block selecting cylinder are the segmented cylinder; This segmented cylinder includes the cylinder that a plurality of head and the tail connect successively, and the head and the tail contact connection successively of the push rod of these a plurality of cylinders.
5. the driving mechanism of electric control mechanical type automatic speed variator according to claim 1; It is characterized in that; Said gearshift axle be provided with limit stoper, outside thread and with the locking nut of this outside thread corresponding matching; Said block selecting arm is provided with and this corresponding hole of gearshift axle with an end of this gearshift connection, and this block selecting arm is enclosed within on the gearshift axle through this hole is rotating, and limits the displacement to axial of block selecting arm and gearshift axle by this locking nut and limit stoper.
6. the driving mechanism of electric control mechanical type automatic speed variator according to claim 5 is characterized in that, said limit stoper is the bearing pin that the shaft shoulder, back-up ring or edge gearshift shaft diameter direction are provided with.
7. according to the driving mechanism of claim 5 or 6 described electric control mechanical type automatic speed variators, it is characterized in that, also be provided with thrust-bearing between said block selecting arm and the limit stoper and between block selecting arm and the locking nut.
8. the driving mechanism of electric control mechanical type automatic speed variator according to claim 4 is characterized in that, said rocking arm by a rod hinge connection the gearshift cylinder/gearshift oil hydraulic cylinder push rod on.
CN2011205632777U 2011-12-29 2011-12-29 Driving mechanism for automated mechanical transmission (AMT) Withdrawn - After Issue CN202402615U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205632777U CN202402615U (en) 2011-12-29 2011-12-29 Driving mechanism for automated mechanical transmission (AMT)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205632777U CN202402615U (en) 2011-12-29 2011-12-29 Driving mechanism for automated mechanical transmission (AMT)

Publications (1)

Publication Number Publication Date
CN202402615U true CN202402615U (en) 2012-08-29

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Application Number Title Priority Date Filing Date
CN2011205632777U Withdrawn - After Issue CN202402615U (en) 2011-12-29 2011-12-29 Driving mechanism for automated mechanical transmission (AMT)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103185135A (en) * 2011-12-29 2013-07-03 广西玉柴机器股份有限公司 Drive mechanism of automated electrically-controlled mechanical transmission
CN103423436A (en) * 2013-09-05 2013-12-04 林会明 Electronic shifting system of vehicle mechanical gearbox
CN103851181A (en) * 2012-12-06 2014-06-11 爱信Ai株式会社 Shift operation device of automatic transmission

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103185135A (en) * 2011-12-29 2013-07-03 广西玉柴机器股份有限公司 Drive mechanism of automated electrically-controlled mechanical transmission
CN103185135B (en) * 2011-12-29 2015-04-29 广西玉柴机器股份有限公司 Drive mechanism of automated electrically-controlled mechanical transmission
CN103851181A (en) * 2012-12-06 2014-06-11 爱信Ai株式会社 Shift operation device of automatic transmission
CN103423436A (en) * 2013-09-05 2013-12-04 林会明 Electronic shifting system of vehicle mechanical gearbox
CN103423436B (en) * 2013-09-05 2016-04-06 林会明 The electric gear change system of vehicle mechanical gearbox

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AV01 Patent right actively abandoned

Granted publication date: 20120829

Effective date of abandoning: 20150429