CN203453450U - Electronic gear shifting system for automotive mechanical gearbox - Google Patents
Electronic gear shifting system for automotive mechanical gearbox Download PDFInfo
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- CN203453450U CN203453450U CN201320549807.1U CN201320549807U CN203453450U CN 203453450 U CN203453450 U CN 203453450U CN 201320549807 U CN201320549807 U CN 201320549807U CN 203453450 U CN203453450 U CN 203453450U
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Abstract
The utility model discloses an electronic gear shifting system for an automotive mechanical gearbox. The electronic gear shifting system for the automotive mechanical gearbox comprises a controller, an electric hydraulic pump, an electric push rod pump, an electronic gear shifting handle, a brake pedal and a power supply. The controller controls the electric hydraulic pump and the electric push rod pump. The electric hydraulic pump is connected with a clutch. The electric push rod pump is connected with a gear selecting and shifting mechanism. According to the electronic gear shifting system for the automotive mechanical gearbox, a hand-operated operating rod on a hand-operated gear box is replaced by an electric push rod, and therefore electric gear shifting operation is achieved; a clutch pedal mechanism is replaced by the electric hydraulic pump, and therefore automatic clutching operation is achieved; the electronic gear shifting handle or a rotary knob is added, and therefore individualized gear shifting operation is achieved, and adaptability is enhanced; the controller is added, and therefore smooth gear shifting and relevant information interaction processing are achieved.
Description
Technical field
The present invention relates to auto parts and components field, be specifically related to the electric gear change system of automobile-used mechanical gear box, by electronic control system, realize the gear shift operation to mechanical gear box.
Background technique
City vehicle is as bus and taxi at present, mostly adopt mechanical gear box, mechanical gear box installation low cost of manufacture and oil consumption are low, but must pass through first cut-off clutch when mechanical gear box is shifted gears, then pull shift handle, the sequence of operations such as clutch of rejoining just can complete gearshift.City traffic road condition is complicated, and taxi and bus gearshift are very frequent, and driver's labor intensity is very large.At present, although AT automatic speed changing box technology is ripe, because price is very expensive, oil consumption is very high, approximately high by 20% than mechanical gear box oil consumption, and maintenance cost is high.So AT automatic transmission case is more common in middle high gear car.CVT automatic transmission case transmitting torque is little, can not meet the power demand of taxi and bus.Collection and the calculation of complex of AMT gearbox working condition signal, for the complex working condition bad adaptability of taxi and bus, easily cause the faults such as vehicle stops working.
The patent No. is 200910254606.7, and name is called " a kind of gearbox of electric-controlled mechanical manually or automatically control system " and discloses a kind of technological scheme of carrying out electronic control on the basis of mechanical gear box.In this technological scheme, by electric ball screw, promote selector fork, realize gearshift; Adopt electric ball screw load push-pull, promote clutch, cut off motor and be transferred to the power on gearbox.In this technological scheme, adopt the mode of ball screw to drive clutch, transmission efficiency is low, and dynamic response is slow.
Summary of the invention
The object of the invention is to design a kind of simple in structure, energy consumption is low, dynamic response is fast, the automobile-used shifting system of adaptable semi-automation.
Technological scheme of the present invention is: the electric gear change system of automobile-used mechanical gear box, the electric gear change system of described mechanical gear box comprises controller, electric hydraulic pump, electric pushrod pump gear indicator, electric gear change handle, brake petal and power supply.
Controller receives actuating signal, the tach signal of motor, the brake signal of the vehicle speed signal of driver part and brake petal of electric gear change handle, output to afterwards as calculated electric hydraulic pump and electric pushrod pump, the shifting of controlling gearshift by clutch and the electric pushrod pump of electric hydraulic pump solenoidoperated cluthes is moved, and realizes gearshift function; With Time Controller, receive the position signal of electric hydraulic pump, the position signal of electric pushrod pump, after calculating, is presented at gear information on gear indicator.
Electric hydraulic pump is connected with clutch slave cylinder by oil pipe, realizes separation and the combination of the friction plate of clutch by controlling hydraulic oil.Electric hydraulic pump comprises motor, reduction gear box, and piston oil-cylinder, rack piston connect part.
Small gear on motor output shaft and the engagement of the gearwheel A in gear reduction box, gearwheel A is fixed on gear shaft, gear shaft and gearwheel B engagement, gearwheel B is fixed on output gear shaft, and output gear shaft and rack piston connect part engagement; Motor is according to the output signal of controller, and motor output shaft, by the gear reduction of speed reducer, connects part by output gear shaft and rack piston and meshes, the hydraulic oil in rack drives cylinder body, and hydraulic oil enters clutch slave cylinder by oil pipe.
Electric pushrod pump promotes gearshift, realizes shifting function.Electric pushrod pump comprises motor II, reduction gear box II, gear rack, mounting rod; Motor II drives worm shaft, worm shaft and worm gear engagement, and worm gear is fixed on gear shaft, the gear teeth on gear shaft and tooth bar engagement, tooth bar is connected with mounting rod.
Electric pushrod pump has two, and the mounting rod of electric pushrod pump A electric pushrod pump A connects block selecting rocking arm; The mounting rod of electric pushrod pump B connects gear-shifting rocker arm.The order of its shifting is identical with existing mechanical gear box, first by block selecting rocking arm, carries out block selecting, then has gear-shifting rocker arm to shift gears.
Electric pushrod pump also can be provided with three or six or arrange according to the quantity of gear, by each electric pushrod pump, drives a selector fork, directly realizes gear shift operation.
Pilot control electric gear change handle, electric gear change handle reaches controller by gear shifting signal, by controller as calculated post command reach shifting system.Electric gear change handle can adopt electric gear change knob etc. by forms such as driver's easy-to-operaies.
During brake, driver is by controlling brake petal, brake petal is by brake signal propagation controller, controller is passed to electric hydraulic pump by signal, by the separation of electric hydraulic pump solenoidoperated cluthes, with Time Controller, according to the throttle signal of the vehicle speed signal of Automobile drive portion and motor, after calculating, by the program of setting, subtract gear.
The groundwork flow process of technological scheme of the present invention is: when driver will shift gears or while braking, by electric gear change handle or electric gear change knob or brake petal, signal is passed to controller, after being calculated by controller, the command routing of shifting gears is to electric hydraulic pump, electric pushrod pump A and electric pushrod pump B; First, by electric hydraulic pump, make clutch separation, then, by electric pushrod pump A, promote block selecting rocking arm and carry out block selecting, then by electric pushrod pump B, promote block selecting rocking arm, gearshift, and shift signal is fed back to controller, by gear indicator, show simultaneously.
On electric hydraulic pump, electric pushrod pump A and electric pushrod pump B, be equipped with angle transducer, be used for determining the flexible position of tooth bar, and signal is passed to controller.
The present invention changes the manual joystick in manual transmission into electric pushrod, has realized electronic gear shift operation; Change clutch pedal mechanism into electric hydraulic pump, realized automatic clutch operation; Add electric gear change handle (or knob) and realized personalized shift control, strengthened adaptability; Add controller, realized the interaction process of smoothly gearshift and relevant information.Technological scheme of the present invention is compared with manual transmission, and this product, by cut-off clutch, is shifted gears, and engaging clutch transfers to the electric gear change of this product automatically to complete, and has saved clutch pedal, greatly reduces driver's working strength, has improved smooth gear shifting.Technological scheme of the present invention is compared with AT speed change, this product is on the basis of manual transmission, to have increased by two electric pushrods and electric hydraulic pump is carried out gear shift operation and corresponding clutch operating, oil consumption is the same with manual gear gearbox, and its cost is low, and maintenance cost is low.Technological scheme of the present invention is compared with CVT gearbox, and this product power transmission structure is the same with manual transmission, and its driving torque is large, and response is fast.Technological scheme of the present invention is compared with AMT gearbox, and this product is mainly independently selected gearshift opportunity by driver, during brake, can be reduced to corresponding gear according to engine speed, and flexibility is good, and strong adaptability has been realized personalized manipulation simultaneously and driven.
Accompanying drawing explanation
Fig. 1 is that schematic diagram is controlled in the gearshift of the automobile-used mechanical gear box electric gear change of the present invention system.
Fig. 2 is the automobile-used mechanical gear box electric gear change of the present invention system electric hydraulic pump plan view.
Fig. 3 is the automobile-used mechanical gear box electric gear change of the present invention system electric hydraulic pump side view figure.
?fig. 4 is the automobile-used mechanical gear box electric gear change of the present invention system electric pushrod pump plan view.
Fig. 5 is the automobile-used mechanical gear box electric gear change of the present invention system electric pushrod pump side view.
Embodiment
Below in conjunction with accompanying drawing, 1-5 is described further the specific embodiment of the present invention.
Power transmission structure in technological scheme of the present invention is identical with the power transmission structure of manual gear gearbox, by motor, passes to gearbox, then passes to output block, has realized the direct transmission of power.
As shown in Figure 1, the control schematic diagram of electric gear change system,
The electric gear change system of automobile-used mechanical gear box, the electric gear change system of described mechanical gear box comprises controller, electric hydraulic pump, electric pushrod pump A, electric pushrod pump B, gear indicator, electric gear change handle or electric gear change knob, braking pedal, power supply, clutch, gearbox, driver part, motor.
Power supply provides electric power for controller, and meanwhile, controller provides electric power for electric gear change handle, gear indicator, electric hydraulic pump, electric pushrod pump.
Controller receives signal, the signal of gas pedal, the vehicle speed signal of the tach signal of the signal of brake petal, motor and throttle signal and driver part of electric gear change handle, simultaneously to electric hydraulic pump, electric pushrod pump transferring command signal, and receive the position signal of electric hydraulic pump, electric pushrod pump, be delivered to gear indicator simultaneously and show output.
Controller receives the actuating signal of electric gear change handle or electric gear change knob, outputs to afterwards as calculated electric hydraulic pump and electric pushrod pump, by separation and the combination of electric hydraulic pump solenoidoperated cluthes; By electric pushrod pump A and electric pushrod pump B, control gear level, realize gearshift function.
The tach signal of brake signal, motor and the vehicle speed signal of driver part, be transferred to controller.When controller collects brake signal, can calculate according to timely information, control electric hydraulic pump clutch is carried out in time separation and combination, make the state of clutch in separation or combination.
When engine speed lower than set certain numerical value time, controller is according to timely information, automatic control electric hydrodynamic press pump carries out in time separation and combination by clutch, and the moving push rod pump A of automatic control electric and electric pushrod pump B suitably subtract gear by gearbox, minimum 1 gear that reduces to.
During motor initial start, controller automatic control electric hydrodynamic press pump makes clutch in separated state, and the moving push rod of automatic control electric makes gearbox push neutral gear position.
As shown in Figures 2 and 3, the technological scheme of the concrete structure of the electric hydraulic pump in electric gear change system:
Motor 1 provides power for electric hydraulic pump, on motor output shaft 2, be fixed with small gear 3, small gear 3 and the gearwheel A engagement being fixed on gear shaft 7, be fixed on small gear 4 and the gearwheel B engagement being fixed on output gear shaft 9 on gear shaft 7, rack piston connects part 11 and meshes with the gear on output gear shaft 9.In above-mentioned structure, by gearwheel A6 on gear shaft 7, realize primary speed-down, then coordinate and realize double reduction with gearwheel B8 by the small gear 4 on gear shaft 7.The tooth 11 that wheel and rack piston on output shaft 9 connects on part coordinates, and when motor 1 running, by double reduction band carry-over bar, moves.
After motor 1 input forward current, rack piston connects part 11 and moves to the right, the piston that rack piston connects part 11 tops advances to the right, fluid is pressed to clutch slave cylinder, again by wheel cylinder by clutch separation, the angle transducer 12 being simultaneously contained on output gear shaft 9 passes to controller by signal.
When to motor 1 back current, rack piston connects part 11 and moves to the left, rack piston connects the piston on part 11 tops and returns left, spring on clutch connects part 11 by fluid with rack piston to be got back in oil hydraulic cylinder 13 and oil pipe 15, and the angle transducer 12 being simultaneously contained on output gear shaft 9 passes to controller by signal.
This electric hydraulic pump is fixed on gear shift cover 5.Gear rack is all arranged in rack case 10.
Oil hydraulic cylinder 13 is connected by oil connection 14 with oil pipe 15.
As shown in Figure 4 and Figure 5, output shaft and the worm shaft 17 of the concrete scheme motor 16 of the electric pushrod pump structure in electric gear change system coaxially join, and worm shaft 17 and worm gear 18 engagements, realize and slowing down.Gear shaft 19 is coaxial with worm gear 18, gear shaft 19 and tooth bar 20 engagements, and mounting rod 21 is fixedly connected with tooth bar 20, with tooth bar 20, moves.
When motor 16 running, by deceleration strip carry-over bar 20, and exported by mounting rod 21, and by be contained in angle transducer 22 on gear shaft 19 by signal feed back to controller.
Electric pushrod pump A and electric pushrod pump B are under controller action, and the combination control mode with different, obtains different drive ranges.
Claims (9)
1. the electric gear change system of automobile-used mechanical gear box, is characterized in that: the electric gear change system of described mechanical gear box comprises controller, electric hydraulic pump, electric pushrod pump, electric gear change handle, braking pedal, power supply; Controller is controlled electric hydraulic pump and electric pushrod pump, and electric hydraulic pump connects clutch, and electric pushrod pump connects gear shift mechanism.
2. the electric gear change system of automobile-used mechanical gear box according to claim 1, it is characterized in that: controller receives the actuating signal of electric gear change handle, the position signal of electric hydraulic pump, the position signal of electric pushrod pump, the throttle signal of the tach signal of motor, motor, vehicle speed signal and brake signal; The signal that controller analytical calculation receives, controls separation and combination that electric hydraulic pump is realized clutch, and electric pushrod pump carries out shifting.
3. the electric gear change system of automobile-used mechanical gear box according to claim 1 and 2, is characterized in that: described electric gear change system is provided with gear indicator, shows the shift signal of exporting after via controller calculates.
4. the electric gear change system of automobile-used mechanical gear box according to claim 1, is characterized in that: electric hydraulic pump is connected with clutch slave cylinder, by output hydraulic pressure oil driving clutch; Electric pushrod pump is provided with two, and electric pushrod pump A and electric pushrod pump B connect respectively block selecting rocking arm and the gear-shifting rocker arm of gearbox.
5. according to the electric gear change system of the automobile-used mechanical gear box described in claim 1 or 4, it is characterized in that: described electric hydraulic pump is connected with clutch slave cylinder by oil pipe; Electric hydraulic pump comprises motor, reduction gear box, and piston oil-cylinder, rack piston connect part; Motor output shaft connects reduction gear box, and reduction gear box connects rack piston and connects part, and rack piston connects part and along cylinder block, moves in piston oil-cylinder, the in-oil cylinder hydraulic oil of driven plunger.
6. the electric gear change system of automobile-used mechanical gear box according to claim 5, it is characterized in that: the small gear on motor output shaft and the engagement of the gearwheel A in gear reduction box, gearwheel A is fixed on gear shaft, gear shaft and gearwheel B engagement, gearwheel B is fixed on output gear shaft, and output gear shaft and rack piston connect part engagement; Motor, according to the output signal of controller, drives the gear of speed reducer, and by output gear shaft and rack piston, connect part and mesh, the hydraulic oil in rack drives cylinder body, hydraulic oil enters clutch slave cylinder by oil pipe.
7. according to the electric gear change system of the automobile-used mechanical gear box described in claim 1 or 4, it is characterized in that: described electric pushrod pump comprises motor II, reduction gear box II, gear rack, mounting rod; Motor II drives worm shaft, worm shaft and worm gear engagement, and worm gear is fixed on gear shaft, the gear teeth on gear shaft and tooth bar engagement, tooth bar is connected with mounting rod.
8. the electric gear change system of automobile-used mechanical gear box according to claim 7, is characterized in that: the mounting rod of electric pushrod pump A connects block selecting rocking arm; The mounting rod of electric pushrod pump B connects gear-shifting rocker arm.
9. the electric gear change system of automobile-used mechanical gear box according to claim 1, it is characterized in that: on electric hydraulic pump, electric pushrod pump A and electric pushrod pump B, be equipped with angle transducer, be used for determining the flexible position of tooth bar, and signal is passed to controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549807.1U CN203453450U (en) | 2013-09-05 | 2013-09-05 | Electronic gear shifting system for automotive mechanical gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549807.1U CN203453450U (en) | 2013-09-05 | 2013-09-05 | Electronic gear shifting system for automotive mechanical gearbox |
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| Publication Number | Publication Date |
|---|---|
| CN203453450U true CN203453450U (en) | 2014-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320549807.1U Expired - Fee Related CN203453450U (en) | 2013-09-05 | 2013-09-05 | Electronic gear shifting system for automotive mechanical gearbox |
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| Country | Link |
|---|---|
| CN (1) | CN203453450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423436A (en) * | 2013-09-05 | 2013-12-04 | 林会明 | Electronic shifting system of vehicle mechanical gearbox |
| CN110985649A (en) * | 2019-12-19 | 2020-04-10 | 盛瑞传动股份有限公司 | Motor electronic gear shifting device and automobile |
-
2013
- 2013-09-05 CN CN201320549807.1U patent/CN203453450U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110985649A (en) * | 2019-12-19 | 2020-04-10 | 盛瑞传动股份有限公司 | Motor electronic gear shifting device and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20210905 |