CN204403349U - The speed change gear used in heavy-duty car semi-automatic transmission system - Google Patents
The speed change gear used in heavy-duty car semi-automatic transmission system Download PDFInfo
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- CN204403349U CN204403349U CN201420848065.7U CN201420848065U CN204403349U CN 204403349 U CN204403349 U CN 204403349U CN 201420848065 U CN201420848065 U CN 201420848065U CN 204403349 U CN204403349 U CN 204403349U
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- block selecting
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- gearshift
- push rod
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Abstract
The utility model discloses the speed change gear used in a kind of heavy-duty car semi-automatic transmission system, comprise housing, driving lever, gearshift drive unit, block selecting drive unit, the block selecting slide block arranged in criss-crossing and shift carriage, described gearshift drive unit is fixedly mounted on housing side and its end is connected with shift carriage by means of gearshift push rod, described block selecting drive unit is fixedly mounted on housing another side and its end is connected with block selecting slide block by means of block selecting push rod, and described gearshift push rod is mutually vertical with the axis of block selecting push rod; Driving lever is promoted by using auxiliary power unit, the shift fork promoting gearbox with driving lever realizes block selecting and gearshift, when pilot control shift handle, by the gearshift and the block selecting signal that use single-chip microcomputer to gather Effector, and moved by Single-chip Controlling gearshift drive unit and block selecting drive unit, finally realize semi-automatic transmission, speed-change process is lighter, reduce labor intensity, reduce rate of fault.
Description
Technical field
The utility model relates to heavy-duty car Effector technical field, particularly relates to the speed change gear used in a kind of heavy-duty car semi-automatic transmission system.
Background technique
Current manual transmission particularly many gear manual transmission vehicles requires that driver's shift hunting is to meet the needs of engine power in the process of moving, so just causes a large amount of consumption of driver's muscle power, easily occurs the situation of changing wrong gear or not changing gear.In order to overcome above-mentioned deficiency, automatic mechanical transmission is have employed in existing vehicle, it increases automatic shift system on the basis of the fixing shaft type transmission system of step type machinery, by electronic control gear shift mechanism, thus replaces manpower to complete block selecting and gearshift.
Automatic mechanical transmission, by driving the source of power different, can be divided into electrically controlled and hydraulically formula, electric-controlled pneumatic type and motor powered formula.Although automatic mechanical transmission can both replace manpower to complete block selecting and gearshift work, motor powered formula is due to gear actuator and gear shifting actuating mechanism independence separately, and structure is not compact, causes transmission efficiency low, the poor reliability of shifting.
In addition, low gear vehicle and engineering machine vehicle all adopt manual gear mostly, and the speed changing structure of traditional manual gear is very simple, only include shift handle and pull bar and pushing-pulling flexible shaft and shift fork, driver, by Joystick, changes the velocity ratio of gear drive, realize the gearshift of these Motor Vehicle, due to gearshift manually-operable, act frequently, labor intensity is large, often due to misoperation, make gearshift inaccurate, flexible axle and sheath wear and tear excessive, and failure frequency is high.
Model utility content
Technical problem to be solved in the utility model is to provide the speed change gear used in a kind of heavy-duty car semi-automatic transmission system, driving lever is promoted by using auxiliary power unit, the shift fork promoting gearbox with driving lever realizes block selecting and gearshift, when driver stirs the pin of Effector, by the block selecting and the gear shifting signal that use single-chip microcomputer to gather Effector, and moved by Single-chip Controlling gearshift drive unit and block selecting drive unit, finally realize semi-automatic transmission, speed-change process is lighter, and use gearshift drive unit and block selecting drive unit to drive driving lever motion, reduce labor intensity, reduce rate of fault.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: the speed change gear used in a kind of heavy-duty car semi-automatic transmission system, comprise housing, driving lever, gearshift drive unit, block selecting drive unit, the block selecting slide block arranged in criss-crossing and shift carriage, described gearshift drive unit is fixedly mounted on housing side, and its end is connected with shift carriage by means of gearshift push rod, described block selecting drive unit is fixedly mounted on housing another side, and its end is connected with block selecting slide block by means of block selecting push rod, described gearshift push rod is mutually vertical with the axis of block selecting push rod.
Described shift carriage level is located in housing, and the inwall of its two ends biside plate relative to housing is slidably matched, the length direction of described shift carriage is parallel with the axial direction of block selecting push rod, described shift carriage end face is provided with the dovetail chute consistent with its length direction, described driving lever is perpendicular to shift carriage end face, and its lower end arranges the dovetail slide block coordinated with dovetail chute, the inwall of described block selecting slide block two ends and the other biside plate of housing is slidably matched, vertical slotted hole is offered in the middle part of described shift carriage, the length direction of described slotted hole is identical with the length direction of shift carriage, described driving lever is arranged through slotted hole.
The described housing side plate inwall relative with block selecting slide block two ends arranges slideway, and described block selecting slide block two sections and slideway are slidably matched.
Described housing is provided with guide pin bushing with the side plate of the relative side of side plate of installing drive unit of shifting gears, and described gearshift push rod one end is connected with gearshift drive unit, and one end and guide pin bushing are slidably matched in addition, and described shift carriage is fixedly mounted in the middle part of gearshift push rod.
Described gearshift drive unit is the one in cylinder, actuating motor and electric pushrod, and described block selecting drive unit is the one in cylinder, actuating motor and electric pushrod.
The beneficial effect adopting technique scheme to produce is: promote driving lever by using auxiliary power unit, the shift fork promoting gearbox with driving lever realizes block selecting and gearshift, when driver stirs the pin of Effector, by the block selecting and the gear shifting signal that use single-chip microcomputer to gather Effector, and moved by Single-chip Controlling gearshift drive unit and block selecting drive unit, finally realize semi-automatic transmission, speed-change process is lighter, and use gearshift drive unit and block selecting drive unit to drive driving lever motion, reduce labor intensity, reduce rate of fault.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
In the accompanying drawings: drive unit of 1, shifting gears; 2, pressing plate; 3, block selecting slide block; 4, block selecting drive unit; 5, block selecting push rod; 6, driving lever; 7, guide pin bushing; 8, shift carriage; 9, gearshift push rod; 10, housing.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Handle heavy for solving existing machinery formula speed change gear, the problem that precision is low and rate of fault is high, the utility model provides the speed change gear used in a kind of heavy-duty car semi-automatic transmission system as shown in Figure 1, comprise housing 10, driving lever 6, gearshift drive unit 1, block selecting drive unit 4, the block selecting slide block 3 arranged in criss-crossing and shift carriage 8, described gearshift drive unit 1 is fixedly mounted on housing 10 side, and its end is connected with shift carriage 8 by means of gearshift push rod 9, described block selecting drive unit 4 is fixedly mounted on housing 10 another side, and its end is connected with block selecting slide block 3 by means of block selecting push rod 5, described gearshift push rod 9 is mutually vertical with the axis of block selecting push rod 5, described shift carriage 8 level is located in housing 10, and the inwall of its two ends biside plate relative to housing 10 is slidably matched, the length direction of described shift carriage 8 is parallel with the axial direction of block selecting push rod 5, described shift carriage 8 end face is provided with the dovetail chute consistent with its length direction, described driving lever 6 is perpendicular to shift carriage 8 end face, and its lower end arranges the dovetail slide block coordinated with dovetail chute, the inwall of described block selecting slide block 3 two ends and the other biside plate of housing 10 is slidably matched, vertical slotted hole is offered in the middle part of described shift carriage 8, the length direction of described slotted hole is identical with the length direction of shift carriage 8, described driving lever 6 is arranged through slotted hole, the described housing 10 side plate inwall relative with block selecting slide block 3 two ends arranges slideway, and described block selecting slide block 3 two sections and slideway are slidably matched, described housing 10 is provided with guide pin bushing 7 with the side plate of the relative side of side plate of installing drive unit 1 of shifting gears, described gearshift push rod 9 one end is connected with gearshift drive unit 1, one end and guide pin bushing 7 are slidably matched in addition, and described shift carriage 8 is fixedly mounted in the middle part of gearshift push rod 9, described gearshift drive unit 1 is cylinder, one in actuating motor and electric pushrod, described block selecting drive unit 4 is cylinder, one in actuating motor and electric pushrod, gearshift drive unit and block selecting drive unit can select combination in above-mentioned three kinds of mechanisms, installation method is all identical, only need by cylinder, the front end of actuating motor or electric pushrod is fixedly mounted on case side sidewall, and by the signal output part of single-chip microcomputer and cylinder, the control end of actuating motor or electric pushrod connects, block selecting signal occurrence device and the gear shifting signal generating means signal end of single-chip microcomputer signal input part and Effector are connected, its push rod end is connected with block selecting push rod or push rod of shifting gears, block selecting slide block and shift carriage are that cross-shaped level is installed, at housing bottom, two blocks of supporting plates are set, variable cross section place in supporting plate and inner walls forms the slideway of block selecting slide block, block selecting slide block slides along this slideway under block selecting drive unit drives.
In embody rule process, this device is fixedly mounted on the case lid of gearbox, and guarantee that driving lever is connected with the shift fork of gearbox, the utility model also needs supporting installation single-chip microcomputer and has the Effector of block selecting signal occurrence device and gear shifting signal generating means, when the pin of left-right rotation Effector, the block selecting signal occurrence device of Effector by signal transmission to single-chip microcomputer, Micro Controller Unit (MCU) driving block selecting drive unit promotes the side-to-side movement of block selecting slide block, when pin is stirred in front and back, the gear shifting signal generating means of Effector by signal transmission to single-chip microcomputer, Single-chip Controlling gearshift moves, the motion of block selecting slide block and shift carriage drives driving lever motion, the shift fork in gearbox is driven to move by the movement of driving lever, realize gearshift, signaling line is only used to be connected between Effector with speed change gear, without any mechanical connecting structure, gearshift and block selecting lighter, reduce rate of fault.
Claims (5)
1. the speed change gear used in a heavy-duty car semi-automatic transmission system, it is characterized in that: comprise housing (10), driving lever (6), gearshift drive unit (1), block selecting drive unit (4), the block selecting slide block (3) arranged in criss-crossing and shift carriage (8), described gearshift drive unit (1) is fixedly mounted on housing (10) side, and its end is connected with shift carriage (8) by means of gearshift push rod (9), described block selecting drive unit (4) is fixedly mounted on housing (10) another side, and its end is connected with block selecting slide block (3) by means of block selecting push rod (5), described gearshift push rod (9) is mutually vertical with the axis of block selecting push rod (5).
2. the speed change gear used in heavy-duty car semi-automatic transmission system according to claim 1, it is characterized in that: described shift carriage (8) level is located in housing (10), and its two ends are slidably matched with the inwall of housing (10) relative biside plate, the length direction of described shift carriage (8) is parallel with the axial direction of block selecting push rod (5), described shift carriage (8) end face is provided with the dovetail chute consistent with its length direction, described driving lever (6) is perpendicular to shift carriage (8) end face, and its lower end arranges the dovetail slide block coordinated with dovetail chute, the inwall of described block selecting slide block (3) two ends and the other biside plate of housing (10) is slidably matched, described shift carriage (8) middle part offers vertical slotted hole, the length direction of described slotted hole is identical with the length direction of shift carriage (8), described driving lever (6) is arranged through slotted hole.
3. the speed change gear used in heavy-duty car semi-automatic transmission system according to claim 2, it is characterized in that: described housing (10) the side plate inwall relative with block selecting slide block (3) two ends arranges slideway, described block selecting slide block (3) two sections and slideway are slidably matched.
4. the speed change gear used in heavy-duty car semi-automatic transmission system according to claim 3, it is characterized in that: described housing (10) is provided with guide pin bushing (7) with the side plate of the relative side of side plate of installing drive unit (1) of shifting gears, described gearshift push rod (9) one end is connected with gearshift drive unit (1), one end and guide pin bushing (7) are slidably matched in addition, and described shift carriage (8) is fixedly mounted on gearshift push rod (9) middle part.
5. the speed change gear used in heavy-duty car semi-automatic transmission system according to claim 4, it is characterized in that: described gearshift drive unit (1) is cylinder, one in actuating motor and electric pushrod, described block selecting drive unit (4) be cylinder, one in actuating motor and electric pushrod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848065.7U CN204403349U (en) | 2014-12-29 | 2014-12-29 | The speed change gear used in heavy-duty car semi-automatic transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848065.7U CN204403349U (en) | 2014-12-29 | 2014-12-29 | The speed change gear used in heavy-duty car semi-automatic transmission system |
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| Publication Number | Publication Date |
|---|---|
| CN204403349U true CN204403349U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420848065.7U Active CN204403349U (en) | 2014-12-29 | 2014-12-29 | The speed change gear used in heavy-duty car semi-automatic transmission system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534075A (en) * | 2014-12-29 | 2015-04-22 | 田立树 | Speed change device used in semiautomatic speed change system of heavy truck |
| CN110578792A (en) * | 2019-10-11 | 2019-12-17 | 中国人民解放军陆军工程大学 | Automatic operating device for gear shifting handle of excavator |
-
2014
- 2014-12-29 CN CN201420848065.7U patent/CN204403349U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534075A (en) * | 2014-12-29 | 2015-04-22 | 田立树 | Speed change device used in semiautomatic speed change system of heavy truck |
| CN110578792A (en) * | 2019-10-11 | 2019-12-17 | 中国人民解放军陆军工程大学 | Automatic operating device for gear shifting handle of excavator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230712 Address after: 054700 Tian Cun, Changzhuang Township, Wei County, Xingtai City, Hebei Province Patentee after: XINGTAI WEILI AUTO PARTS CO.,LTD. Address before: 054704 Chang Zhuang village, Weixian County, Xingtai, Hebei Patentee before: Tian Lishu |
|
| TR01 | Transfer of patent right |