CN202228658U

CN202228658U - AMT actuating mechanism

Info

Publication number: CN202228658U
Application number: CN2011203938735U
Authority: CN
Inventors: 苏倩; 周建中; 陈汉雄
Original assignee: GUANGDONG GRANDMARK AUTOMOTIVE SYSTEMS CO Ltd
Current assignee: GUANGDONG GRANDMARK AUTOMOTIVE SYSTEMS CO Ltd
Priority date: 2011-10-17
Filing date: 2011-10-17
Publication date: 2012-05-23
Anticipated expiration: 2021-10-17

Abstract

The utility model discloses an AMT actuating mechanism, which includes a gear selecting/shifting actuating device, a clutch actuating mechanism and a throttle cable actuating device, is additionally mounted in an electric control mechanical automatic transmission, and is controlled by a mechanical transmission electronic controller TCU, wherein the gear selecting/shifting actuating device is composed by a gear selecting driving motor, a gear selecting position sensor, a gear selecting reduction gear group, a gear selecting ranging arm, a gear shifting driving motor, a gear shifting position sensor, a gear shifting reduction gear group, a gear shifting guide block, a gear shifting interlock plate and a gear selecting/shifting driving shaft; and the throttle cable actuating device is composed by a driving motor, a throttle position sensor, a reduction driving gear group, a ranging arm and a throttle cable. In the utility model, as the gear selecting/shifting actuating device and the throttle cable actuating device are additionally mounted on the electric control mechanical automatic transmission, the gear shifting for the transmission can be quick and smooth, and the whole mechanism requires no maintenance within the service life of an automobile. The AMT actuating mechanism is used for selecting/shifting the gear of the electric control mechanical automatic transmission and applicable to the throttle cable actuating mechanism.

Description

AMT actuator

Technical field

The utility model relates to a kind of AMT actuator, belongs to the automotive transmission technical field.

Background technique

Electric control mechanical speed changer is under the constant situation of original mechanical transmission basic system; Through installing micro-processor controlled automatic controller additional, replace the artificial clutch separation of accomplishing and the operations such as synchronization regulation that combine, pluck retaining and engage a gear and engine speed of original driver.Its major function need be leaned on electronic control and mechanical actuation device to cooperate and realize; In electric control mechanical type automatic speed variator; Microcomputer has replaced skilled driver's brain, and multiple sensors has replaced people's sensory nerve, and the execution machinery of electric liquid and full electricity has replaced the operation of staff and pin.Electric control mechanical type automatic speed variator hesitation original mechanical drive mechanism is constant basically, so advantages such as the intrinsic transmission efficiency of gear transmission is high, mechanism is compact, reliable operation are well inherited.

Gear shift mechanism and throttle drag-line play a part very important in electric control mechanical speed changer as the important component part of electric control mechanical type automatic speed variator.For a long time; The control of choosing gearshift and the emphasis that is controlled to for the electric-controlled mechanical gearbox of throttle also are difficult points; Select the quality of quality and the Throttle Opening Control of gear shift control directly to affect the shift quality of car load; So just require gear shift mechanism and throttle drag-line mechanism fast working time, corresponding rapid, and can in motor live time, work long hours failsafe.

Summary of the invention

The purpose of the utility model is; In order to use shift-selecting and changing actuating mechanism to replace the people manually to operate the choosing shelves and the gearshift of speed changer; Use throttle drag-line mechanism to replace the people manually to operate the throttle of speed changer; Make the vehicle can crash change of speed, reduce impact and driver's working strength in shift process.

The technological scheme of the utility model is; AMT actuator comprises and selects shifting implementation device, clutch actuating mechanism and throttle drag-line actuating device; Said mechanism is installed in the electric control mechanical type automatic speed variator, and TCU controls by the mechanical gearbox electronic controller.

The said shifting implementation device that selects selects gear to put sensor 11 by choosing shelves drive motor 15, choosing shelves motor gear 7, choosing shelves secondary gear 8; Choosing shelves actuation gear 10, shift selecting rocking arm 13, gearshift drive motor 20, gearshift secondary gear 1; Shift motor gear 2, shift pattern sensor 16, gearshift tertiary gear 3, gearshift actuation gear 6; Gearshift shifting block 14, gearshift interlock board 4, choosing gearshift live axle 5 is formed.Shift motor gear 2 is installed on the axle of gearshift drive motor 20; Gearshift train of reduction gears deceleration strip by shift motor gear 2, gearshift secondary gear 1, gearshift tertiary gear 3, gearshift actuation gear 6 are formed is moved retaining actuation gear 6; Gearshift actuation gear 6 is installed on the choosing gearshift live axle 5; Gearshift interlock board 4 also is installed on the choosing gearshift live axle 5 with gearshift shifting block 14, and selecting gear to put that sensor 11 is installed in is on the shift selecting rocking arm 13; Choosing shelves motor gear 7 is installed on the axle of choosing shelves drive motor 15; The block selecting train of reduction gears of being made up of choosing shelves motor gear 7, choosing shelves secondary gear 8, choosing shelves actuation gear 10 drives choosing shelves actuation gear 10; Choosing shelves actuation gear 10 is installed on the choosing shelves live axle 12, and drive range sensor 16 is installed on the choosing gearshift live axle 5.

Choosing shelves drive motor 15 drives shift selecting rocking arm 13 through choosing shelves train of

reduction gears

7,8,10 and rotatablely moves; Note mobile position through choosing shelves sensor 11; And feed back to gearbox control; The gear that selects to judge speed changer is put, and after elected gear was put and confirmed, gearshift drive motor 20 drove choosing gearshift live axle 5 left rotation and right rotation through gearshift train of

reduction gears

1,2,3,6; Note the position of rotation through gear shift sensing device 16, and feed back to the gear positions that gearbox controller has been judged speed changer.Through the choosing gearshift gearshift in the vehicle operating process is accomplished in the control of gearbox selector shelves and gearshift.

Choosing shelves in the utility model AMT actuator partly play a part the choosing shelves; The gearshift part plays a part gearshift.

The utility model has adopted a choosing shelves train of

reduction gears

7,8,10, and gearshift train of

reduction gears

1,2,3,6 is selected the deceleration mechanism of shifting implementation device for said AMT actuator.

The working principle that the utility model AMT actuator selects shifting implementation device as shown in Figures 2 and 3; This figure is the structural drawing of electric control mechanical type automatic speed variator choosing gearshift actuating device, and choosing shelves motor 15 drives choosing shelves train of

reduction gears

7,8,10, amplifies the torque of motor; And drive choosing gearshift live axles 5 through shift selecting rocking arm 13 and move up and down; This selected gear that moves up and down is put sensor 11 records and is downloaded, and feeds back to gearbox control, puts with the gear that selects of confirming speed changer; Shift motor 20 drives

gearshift reduction gear

1,2,3,6; Amplify the torque of motor; Drive at last and select 5 rotations of gear shift live axle, this rotatablely moves and is also noted by drive range sensor 16, and feeds back to gearbox control; To confirm the gear positions of speed changer, accomplish the gearshift implementation of speed changer.

The utility model AMT actuator throttle drag-line actuating device is by drive motor 23, throttle position switch, and drive motor gear 24, double-reduction gear 25, actuation gear 26, rocking arm 27 is formed with throttle drag-line 22.Drive motor gear 24, double-reduction gear 25, actuation gear 26 are formed the reduction drive gear group, and drive motor gear 24 is installed on the axle of drive motor 23, drive rocking arm 27 and are installed on the same axle with actuation gear 26.Drive motor 23 drives rocking arm 27 through

reduction gear

24,25,26 and rotatablely moves, and notes mobile position through position transducer, and feeds back to gearbox control, to judge throttle position, accomplishes the control to gas.

The principle of throttle drag-line actuating device is as shown in Figure 4; Drive motor 23 drives reduction

drive gear group

24,25,26 among the figure, amplifies the torque of motor, and drives 22 translations of throttle drag-line through rocking arm 27; This translational motion is downloaded by the throttle position switch record; And feed back to gearbox control, to confirm throttle position, accomplish the control of TCU to throttle.

The utility model beneficial effect compared with prior art is; The utility model is after installing choosing gearshift actuating device and throttle drag-line actuating device additional on the electric control mechanical type automatic speed variator; Not only can be the quick and smooth gearshift of gearbox, and can after synchronizer wearing and tearing, can compensate automatically, make vehicle also merits and demerits normally under situation about need not adjust; Its high reliability and long lifetime can be that entire mechanism can be fully without any need for M R in motor live time.

The utility model is applicable to the shift-selecting and changing actuating mechanism of electric control mechanical type automatic speed variator.

Description of drawings

Fig. 1 is the utility model AMT actuator structured flowchart;

Fig. 2 is an electric control mechanical type automatic speed variator gear shift mechanism plan view;

Fig. 3 is an electric control mechanical type automatic speed variator gear shift mechanism side view;

Fig. 4 is the schematic diagram of electric control mechanical type automatic speed variator throttle drag-line mechanism;

Among the figure, the 1st, the gearshift secondary gear; The 2nd, the shift motor gear; The 3rd, the gearshift tertiary gear; The 4th, the gearshift interlock board; The 5th, select the gear shift live axle; The 6th, the gearshift actuation gear; The 7th, choosing shelves motor gear; The 8th, choosing shelves secondary gear; The 9th, choosing shelves locating stud; The 10th, choosing shelves actuation gear; The 11st, select gear to put sensor; The 12nd, choosing shelves live axle; The 13rd, shift selecting rocking arm; The 14th, the gearshift shifting block; The 15th, choosing shelves drive motor; The 16th, the drive range sensor; The 17th, gear shift sensing device driving casing; The 18th, choosing shelves driving block; The 19th, the spacing axle collar; The 20th, the gearshift drive motor; The 21st, the drag-line drive pin; The 22nd, the throttle drag-line; The 23rd, drive motor; The 24th, the drive motor gear; The 25th, double-reduction gear; The 26th, actuation gear; The 27th, drive rocking arm.

Embodiment

The embodiment of the utility model is as shown in Figure 1.The utility model AMT actuator is on electric control mechanical type automatic speed variator, and AMT actuator comprises choosing gearshift actuating device, clutch actuating mechanism and throttle drag-line actuating device.The block selecting position transducer of choosing gearshift actuating device and drive range sensor will select the upper-lower position and the rotating position signal of gearshift live axle 5 to feed back to gearbox control TCU respectively; The throttle position switch of throttle drag-line actuating device feeds back to gearbox control TCU with throttle position signal, and gearbox control TCU assigns the instruction of carrying out block selecting, gearshift or Throttle Opening Control according to these signals to choosing gearshift actuating device and throttle drag-line actuating device.

Like Fig. 2, shown in Figure 3, in real system, the electric control mechanical type automatic speed variator shift-selecting and changing actuating mechanism is mainly by choosing shelves motor 15; Choosing shelves train of

reduction gears

7,8,10, shift selecting rocking arm 13, shift motor 10; Gearshift train of

reduction gears

6,8,9,11; Gearshift shifting block 14, gearshift interlock board 4, choosing gearshift live axle 5 is formed.

Under the control of gearbox at TCU, when obtaining shifting commands, at first can be through clutch actuating mechanism with clutch separation.When gearbox during not at neutral gear position; The gearshift drive motor 20 of at first controlling gear shift mechanism drives gearshift train of

reduction gears

1,2,3,6 torque is amplified; And through choosing gearshift live axle 5 speed changer is plucked and to be neutral; The choosing shelves drive motor 15 of controlling gear shift mechanism then drives choosing shelves train of

reduction gears

7,8,10 torque is amplified; And finally make shift-selecting and changing actuating mechanism select gear to put to the set goal through choosing gearshift live axle 5, and the gearshift through shift-selecting and changing actuating mechanism at last partly makes gearbox work to object gear, and the clutch that closes is at last accomplished whole shift process.

As shown in Figure 4, in real system, the throttle drag-line mechanism of electric control mechanical type automatic speed variator is mainly by drive motor 23, reduction

drive gear group

24,25,26, and rocking arm 27, throttle drag-line 22 is formed.

Under the control of gearbox at TCU; When obtaining the throttle work order; At first control throttle drag-line mechanism drive motor 23 and drive train of

reduction gears

24,25,26, and, accomplish control throttle through driving the position that rocking arm 27 drives throttle drag-lines 22 Control of Automobile throttles with the torque amplification.

Claims

1. AMT actuator; It is characterized in that; Said mechanism comprises and selects shifting implementation device, clutch actuating mechanism and throttle drag-line actuating device, and said mechanism is installed in the electric control mechanical type automatic speed variator, and TCU controls by the mechanical gearbox electronic controller;

The said shifting implementation device that selects selects gear to put sensor 11 by choosing shelves drive motor (15), choosing shelves motor gear (7), choosing shelves secondary gear (8); Choosing shelves actuation gear (10), shift selecting rocking arm (13), gearshift drive motor (20), gearshift secondary gear (1); Shift motor gear (2), shift pattern sensor 16, gearshift tertiary gear (3), gearshift actuation gear (6); Gearshift shifting block (14), gearshift interlock board (4), choosing gearshift live axle (5) is formed; Shift motor gear (2) is installed on the axle of gearshift drive motor (20); Gearshift train of reduction gears deceleration strip by shift motor gear (2), gearshift secondary gear (1), gearshift tertiary gear (3), gearshift actuation gear 6 are formed is moved retaining actuation gear (6); Gearshift actuation gear (6) is installed on the choosing gearshift live axle (5); Gearshift interlock board (4) and gearshift shifting block (14) also are installed in choosing and shift gears on the live axle (5), and selecting gear to put that sensor (11) is installed in is on the shift selecting rocking arm (13); Choosing shelves motor gears (7) are installed on the axle of choosing shelves drive motor (15); The block selecting train of reduction gears of being made up of choosing shelves motor gear (7), choosing shelves secondary gear (8), choosing shelves actuation gears (10) drives choosing shelves actuation gear (10); Choosing shelves actuation gears (10) are installed on the choosing shelves live axles (12), and drive range sensor (16) is installed on the choosing gearshift live axle (5);

Said throttle drag-line actuating device is by drive motor (23), throttle position switch, and drive motor gear (24), double-reduction gear (25), actuation gear (26), rocking arm (27) and throttle drag-line (22) are formed; Drive motor gear (24), double-reduction gear (25), actuation gear (26) are formed the reduction drive gear group; Drive motor gear (24) is installed on the axle of drive motor (23), drives rocking arm (27) and is installed on the same axle with actuation gear (26); Drive motor (23) drives rocking arm (27) through reduction gear (24), (25), (26) and rotatablely moves.

2. AMT according to claim 1 actuator; It is characterized in that; Said choosing shelves drive motor (15) drive said shelves train of reduction gears (7), (8), (10) selected and will select the torque of shelves drive motor (15) to amplify, and are used for driving and select gearshift live axle (5) to move up and down;

Said gearshift drive motor (20) drives will the shift gears torque of drive motor (20) of said gearshift train of reduction gears (1), (2), (3), (6) and amplifies, and is used for driving the choosing live axle (5) of shifting gears and rotatablely moves;

Said choosing gearshift live axle (5) upper and lower translation is accomplished the implementation of gear shift mechanism with rotatablely moving.

3. AMT according to claim 1 actuator is characterized in that, the choosing shelves part and the gearshift of said choosing gearshift actuating device are partially integrated in the same set of mechanism.

4. AMT according to claim 1 actuator is characterized in that, said choosing shelves train of reduction gears (7), (8), (10), and gearshift train of reduction gears (1), (2), (3), (6) are the deceleration mechanism of choosing gearshift actuating device.

5. AMT according to claim 1 actuator; It is characterized in that; Said throttle drag-line actuator drives said reduction drive gear group (24), (25), (26) by drive motor (23) and will select the torque of shelves drive motor (23) to amplify, and it is parallel mobile to be used for driving throttle drag-line (22); The implementation of throttle is accomplished in said throttle drag-line (22) translational motion.

6. AMT according to claim 1 actuator is characterized in that, reduction drive gear group (24), (25), (26) that said throttle drag-line actuator uses are deceleration mechanism.