CN204025640U - Car speed change gear sub-tank electric-controlled shifting mechanism - Google Patents
Car speed change gear sub-tank electric-controlled shifting mechanism Download PDFInfo
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- CN204025640U CN204025640U CN201420454606.8U CN201420454606U CN204025640U CN 204025640 U CN204025640 U CN 204025640U CN 201420454606 U CN201420454606 U CN 201420454606U CN 204025640 U CN204025640 U CN 204025640U
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Abstract
The utility model belongs to automotive transmission class, specifically a kind of car speed change gear sub-tank electric-controlled shifting mechanism, it is characterized in that: odd-side gear shift electrical signal generator, odd-side input speed electrical signal generator, main tank input speed electrical signal generator, odd-side output speed electrical signal generator connect respectively odd-side controller for shifting, odd-side controller for shifting connects odd-side gear shifting operator, and odd-side controller for shifting is also with drive condition display lamp, driving malfunction display lamp simultaneously.The utility model car speed change gear sub-tank electric controlled gear shfiting system can accurately judge whether odd-side has reached synchronous; whether the action command that controller for shifting sends gear shifting operator can reach the synchronous instant size of adjusting synchronized shifting power according to odd-side, thereby reaches the object of protection synchronizer.Therefore, compare with compressed-air shifting, the gearshift procedure of the utility model car speed change gear sub-tank electric-controlled shifting mechanism is more controlled, and gear shift is also more reliable.
Description
Technical field
The utility model belongs to automotive transmission class, specifically a kind of car speed change gear sub-tank electric-controlled shifting mechanism.
Background technique
For the many gears automotive transmission with major and minor case, its odd-side is provided with high and low two gears conventionally, and odd-side generally adopts the gear changing mode of compressed-air shifting.The working principle of odd-side compressed-air shifting is summarized as follows: in vehicle traveling process, when driver need to convert odd-side gear, trigger air valve by a series of pure mechanical structure, pressurized air reaches cylinder and promotes cylinder piston acting through air valve, and cylinder piston promotes the mechanism such as shift fork and synchronizer again and completes gear shift.
The compressed-air shifting shortcoming of above-mentioned introduction is: when odd-side gear shift, whether straight-air shift system cannot reach synchronously and judge odd-side, as long as driver has triggered air valve, cylinder carries out gear shift action by unconditional, even if odd-side is also not synchronous, synchronous capacity not, clutch separation not thoroughly, main tank is in neutral gear and odd-side cylinder has just been carried out gear shift action etc., above various reasons all likely causes odd-side cylinder before reaching synchronously just odd-side to be carried out forcing and rough engage a gear action, obviously, so very easily cause the damage of synchronizer.Above-mentioned because compressed-air shifting easily causes this technical barrier of earlier period damage of auxiliary box synchronizer for solving, need to provide one more controlled, more reliable gear changing mode.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, proposes more controlled, the more reliable car speed change gear sub-tank electric-controlled shifting mechanism of one.
The utility model adopts following technological scheme to realize:
A kind of car speed change gear sub-tank electric-controlled shifting mechanism, for realizing the automatic switchover of car speed change gear sub-tank gear, it is characterized in that: comprise odd-side gear shift electrical signal generator, odd-side input speed electrical signal generator, main tank input speed electrical signal generator, odd-side output speed electrical signal generator, odd-side controller for shifting, odd-side gear shifting operator, auxiliary box synchronizer, state display lamp and fault display lamp, wherein odd-side gear shift electrical signal generator, odd-side input speed electrical signal generator, main tank input speed electrical signal generator, odd-side output speed electrical signal generator connects respectively odd-side controller for shifting, odd-side controller for shifting connects odd-side gear shifting operator, odd-side gear shifting operator is connected with auxiliary box synchronizer, odd-side controller for shifting is also with state display lamp simultaneously, fault display lamp.
The mode that the utility model odd-side gear shift electrical signal generator is converted to electrical signal by driver to the operation intention of odd-side gear shift offers odd-side controller for shifting; The mode that odd-side input speed is converted to electrical signal by odd-side input speed electrical signal generator offers odd-side controller for shifting; The mode that main tank input speed is converted to electrical signal by main tank input speed electrical signal generator offers odd-side controller for shifting; The mode that odd-side output speed is converted to electrical signal by odd-side output speed electrical signal generator offers odd-side controller for shifting.
The utility model odd-side controller for shifting passes through to calculate the ratio of main tank input speed and odd-side input speed, and this ratio is contrasted with known main tank speed ratio, can learn the current residing gear of main tank.
The utility model odd-side controller for shifting is by calculating the difference of odd-side input speed and odd-side output speed, and it is poor that this difference is odd-side synchronous speed, if this difference is enough little or be zero, controller for shifting can judge that odd-side has reached synchronous.
The utility model odd-side controller for shifting gathers the electrical signal that the electrical signal generators such as odd-side gear shift electrical signal generator, odd-side input speed electrical signal generator, main tank input speed electrical signal generator, odd-side output speed electrical signal generator send, and these electrical signal are carried out to integrated treatment, send action command by pre-set program swapping shelves final controlling element, complete odd-side gear switch, odd-side gear shifting operator, by the position feedback of final controlling element operation to odd-side controller for shifting, is realized closed loop control simultaneously; The utility model odd-side controller for shifting drive condition display lamp shows the current residing gear of odd-side; Odd-side controller for shifting driving malfunction display lamp shows the fault message that this system is current.
The utility model car speed change gear sub-tank electric controlled gear shfiting system can accurately judge whether odd-side has reached synchronous; whether the action command that odd-side controller for shifting sends gear shifting operator can reach the synchronous instant size of adjusting synchronized shifting power according to odd-side, thereby reaches the object of protection synchronizer.Therefore, compare with compressed-air shifting, the gearshift procedure of the utility model car speed change gear sub-tank electric controlled gear shfiting system is more controlled, and gear shift is also more reliable.
Brief description of the drawings
Fig. 1 is the utility model theory diagram.
Fig. 2 is the structural representation of the utility model gear shifting operator.
Fig. 3 is abnormity nut and declutch shift shaft connection diagram.
Fig. 4 is the utility model abnormity nut structural representation.
Embodiment
With reference to the accompanying drawings and in conjunction with the embodiments the utility model is further described.
As Fig. 1, a kind of car speed change gear sub-tank electric-controlled shifting mechanism, comprise odd-side gear shift electrical signal generator 1, odd-side input speed electrical signal generator 2, main tank input speed electrical signal generator 3, odd-side output speed electrical signal generator 4, odd-side controller for shifting 5, odd-side gear shifting operator 6, auxiliary box synchronizer 7, state display lamp 8 and fault display lamp 9, odd-side controller for shifting 5 respectively with odd-side gear shift electrical signal generator 1, main tank input speed electrical signal generator 2, odd-side input speed electrical signal generator 3, odd-side output speed electrical signal generator 4, odd-side gear shifting operator 6, state display lamp 8, fault display lamp 9 is electrically connected, odd-side gear shifting operator 6 is connected with auxiliary box synchronizer 7.
The function of the utility model odd-side gear shift electrical signal generator 1 is: the mode that driver is converted to electrical signal to the operation intention of odd-side gear shift offers controller for shifting 5.
The function of the utility model odd-side input speed electrical signal generator 2 is: the mode that odd-side input speed is converted to electrical signal offers odd-side controller for shifting 5.
The function of the utility model main tank input speed electrical signal generator 3 is: the mode that main tank input speed is converted to electrical signal offers odd-side controller for shifting 5.
The function of the utility model odd-side output speed electrical signal generator 4 is: the mode that odd-side output speed is converted to electrical signal offers odd-side controller for shifting 5.
Odd-side controller for shifting 5 drive condition display lamps 8, show the current residing gear of odd-side.
Odd-side controller for shifting 5 driving malfunction display lamps 9, show the fault message that this system is current.
The utility model odd-side controller for shifting 5 passes through to calculate the ratio of main tank input speed and odd-side input speed, and this ratio is contrasted with known main tank speed ratio, can learn the current residing gear of main tank.
The utility model odd-side controller for shifting 5 is by calculating the difference of odd-side input speed and odd-side output speed, and it is poor that this difference is odd-side synchronous speed, if this difference is enough little or be zero, controller for shifting can judge that odd-side has reached synchronous.
The utility model odd-side controller for shifting 5 gathers the electrical signal that the electrical signal generators such as odd-side gear shift electrical signal generator 1, odd-side input speed electrical signal generator 2, main tank input speed electrical signal generator 3, odd-side output speed electrical signal generator 4 send, and these electrical signal are carried out to integrated treatment, by pre-set program, odd-side gear shifting operator 6 is sent to action command; Whether odd-side controller for shifting 5 has reached the synchronous instant size of adjusting synchronized shifting power according to odd-side, and the gear shift of finally carrying out odd-side by odd-side gear shifting operator 6 is moved; Odd-side gear shifting operator 6 to odd-side controller for shifting 5, is realized closed loop control by the position feedback of final controlling element operation; Odd-side controller for shifting 5 drive condition display lamps 8, show the current residing gear of odd-side; Controller for shifting 5 driving malfunction display lamps 9, show the fault message that this system is current.
Above-mentioned fundamental composition and the control mode that is this car speed change gear sub-tank electric controlled gear shfiting system, wherein, odd-side gear shifting operator 6, as main actuator, will be described further.
If Fig. 2 is a kind of mode of execution of odd-side gear shifting operator 6, comprise swing arm 10, spacing pad 11, locking nut 12, abnormity nut 13, leading screw 14, motor 15, driving gear 16, idle pulley 17, reverse shift fork 18, declutch shift shaft 19, base 20, pin 21, driven gear 22, positioning seat 23, potentiometer 24, straight pin 25; Wherein the output terminal of motor 15 is connected with driving gear 16; Driving gear 16, idle pulley 17 and driven gear 22 form a gearing down pair; Driven gear 22 links together by pin 21 with screw mandrel 14; Leading screw 14 and abnormity nut 13 form a ball screw pair; As shown in Figure 3,4, on abnormity nut 13, be provided with a waist shaped hole 26, on declutch shift shaft 19, be provided with one section of cylndrical surface and coordinate with the waist shaped hole 26 of abnormity nut 13; On declutch shift shaft 19 and base 20, hole is Spielpassung; Locking nut 12 is locked together spacing pad 11 and declutch shift shaft 19; Straight pin 25 interference are fitted on abnormity nut 13; One end of swing arm 10 is connected with straight pin 25, and the other end is connected with potentiometer 24; Declutch shift shaft 19 is fixed together with reverse shift fork 18; It is corresponding with the location ball-and-socket on abnormity nut 13 when positioning seat 23 assembles.
Both fitting surfaces of the utility model declutch shift shaft 19 and abnormity nut 13 are on axial length, and declutch shift shaft 19 is slightly longer than abnormity nut 13.
The bang path of the utility model odd-side gear shifting operator 6 power is: motor 15 → driving gear 16 → idle pulley 17 → driven gear 22 → screw mandrel 14 → abnormity nut 13 → declutch shift shaft 19 → shift fork 18.
Described in the utility model odd-side gear shifting operator 6, motor 15 forms the servo-system of a closed loop together with odd-side controller for shifting 5 with potentiometer 24, potentiometer 24 Real-time Feedback odd-side gear shifting operator 6 residing positions, the action command of the quick response odd-side of motor 15 controller for shifting 5 is adjusted the size of berth-changing strength accurately.
Described in the utility model odd-side gear shifting operator 6, on abnormity nut 13, be provided with a waist shaped hole 26, on declutch shift shaft 19, being provided with one section of cylndrical surface coordinates with the waist shaped hole 26 of abnormity nut 13, declutch shift shaft 19 limits the rotary freedom of abnormity nut 13, rotarilys actuate abnormity nut 13 axially move along leading screw 14 along leading screw 14; Both fitting surfaces of declutch shift shaft 19 and abnormity nut 19 are on axial length, and declutch shift shaft 13 is slightly longer than abnormity nut 19, and declutch shift shaft 19 is free to rotate in the waist shaped hole of abnormity nut 13, can effectively prevent the inordinate wear of shift fork 18 prongs; The effect of the waist shaped hole design of abnormity nut 13 is the centre distance required precisions that reduce declutch shift shaft 19 relative leading screws, prevents that declutch shift shaft 19 from causing motion clamping stagnation because crossing location.
Claims (4)
1. a car speed change gear sub-tank electric-controlled shifting mechanism, it is characterized in that: system comprises odd-side gear shift electrical signal generator, odd-side input speed electrical signal generator, main tank input speed electrical signal generator, odd-side output speed electrical signal generator, controller for shifting, gear shifting operator, auxiliary box synchronizer, state display lamp and fault display lamp, wherein odd-side gear shift electrical signal generator, odd-side input speed electrical signal generator, main tank input speed electrical signal generator, odd-side output speed electrical signal generator, gear shifting operator is connected with controller for shifting respectively, gear shifting operator is connected with auxiliary box synchronizer.
2. car speed change gear sub-tank electric-controlled shifting mechanism according to claim 1, is characterized in that: controller for shifting is connected with state display lamp, fault display lamp.
3. car speed change gear sub-tank electric-controlled shifting mechanism according to claim 1 and 2, it is characterized in that: described odd-side gear shifting operator comprises swing arm, spacing pad, locking nut, abnormity nut, leading screw, motor, driving gear, idle pulley, reverse shift fork, declutch shift shaft, base, pin, driven gear, positioning seat, potentiometer and straight pin, and the output terminal of motor is connected with driving gear; Driving gear, idle pulley and driven gear form a gearing down pair; Driven gear and screw mandrel link together by pin; Leading screw and abnormity nut form a ball screw pair; On declutch shift shaft and base, hole is Spielpassung; Locking nut is locked together spacing pad and declutch shift shaft; Straight pin interference is fitted on abnormity nut; One end of swing arm is connected with straight pin, and the other end is connected with potentiometer; Declutch shift shaft and reverse shift fork are fixed together; Corresponding with the location ball-and-socket on abnormity nut when positioning seat assembling.
4. car speed change gear sub-tank electric-controlled shifting mechanism according to claim 3, is characterized in that: on described abnormity nut, be provided with a waist shaped hole, be provided with one section of cylndrical surface and coordinate with the waist shaped hole of abnormity nut on declutch shift shaft; The fitting surface of declutch shift shaft and abnormity nut is on axial length, and declutch shift shaft is slightly longer than abnormity nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420454606.8U CN204025640U (en) | 2014-08-13 | 2014-08-13 | Car speed change gear sub-tank electric-controlled shifting mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420454606.8U CN204025640U (en) | 2014-08-13 | 2014-08-13 | Car speed change gear sub-tank electric-controlled shifting mechanism |
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| CN204025640U true CN204025640U (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420454606.8U Active CN204025640U (en) | 2014-08-13 | 2014-08-13 | Car speed change gear sub-tank electric-controlled shifting mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100139A (en) * | 2018-08-25 | 2018-12-28 | 南京理工大学 | A kind of lead screw pair transmission efficiency dynamic measurement device and its measurement method |
-
2014
- 2014-08-13 CN CN201420454606.8U patent/CN204025640U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100139A (en) * | 2018-08-25 | 2018-12-28 | 南京理工大学 | A kind of lead screw pair transmission efficiency dynamic measurement device and its measurement method |
| CN109100139B (en) * | 2018-08-25 | 2023-08-08 | 南京理工大学 | Dynamic measuring device and measuring method for transmission efficiency of screw pair |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 321025 Zhejiang, Jinhua, Hong Hong West Road, No. 3999 Patentee after: ZHEJIANG WANLIYANG TRANSMISSION CO., LTD. Address before: 321025 Zhejiang, Jinhua, Hong Hong West Road, No. 3999 Patentee before: Zhejiang Wanier Transmission Co., Ltd. |