CN2465977Y - Stepless moment- and speed-changing box for motor vehicle - Google Patents
Stepless moment- and speed-changing box for motor vehicle Download PDFInfo
- Publication number
- CN2465977Y CN2465977Y CN 01217816 CN01217816U CN2465977Y CN 2465977 Y CN2465977 Y CN 2465977Y CN 01217816 CN01217816 CN 01217816 CN 01217816 U CN01217816 U CN 01217816U CN 2465977 Y CN2465977 Y CN 2465977Y
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- clutch
- oil
- turbine
- guide wheel
- change speed
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Abstract
The utility model relates to a stepless moment-changing gearbox for a motor vehicle. An elastic transmission disc is arranged on the outer side of a box body. A turbine is sheathed on a hollow shaft by a turbine seat, a first and a second guiding wheels are sheathed on the hollow shaft by a respective overrunning clutch of the first and the second guiding wheels, and an impeller is sheathed on the hollow shaft by a guiding wheel seat. One end of a driving shaft is supported in the hollow shaft, the other end of the driving shaft is supported on a rear box body, and the end of the driving shaft is connected with the turbine seat. An oil pump is communicated with a pressure distributing plate of an oil path, and an oil passage in the box body and each gear of axial oil passage are communicated with each piston working chamber. A control valve is arranged on the pressure distributing plate of the oil path, and an inner oil passage on the driving shaft is communicated with a working chamber of a lock-up clutch through an inner oil passage of an oil cylinder seat. The utility model has the characteristics of simple structure, low cost, small external dimension and reliable work.
Description
The utility model relates to a kind of automobile-use stepless torque changing change speed gear box, is particularly useful for the self-propelled vehicle of high pulling torque.
Existing self-propelled vehicle is the self-propelled vehicle of high pulling torque especially, and its change speed gear box configuration mainly contains two kinds of structures: mechanical gearbox and stepless torque changing change speed gear box.The complicated operation of mechanical gearbox, for the self-propelled vehicle that need frequently stop, start to walk and quicken, the necessary buty shifting of chaufeur, labour intensity is very big, and mechanical gearbox is the positive drive of step change, vibrates and impact bigger in the process of moving, and travelling comfort is relatively poor.For the stepless torque changing change speed gear box, domestic manufacturer's majority is quoted external imported product at present, generally all is the capable gear cluster structure of star, its manufacturability complexity, the manufacturing cost height, domestic manufacturer is difficult to bear, for this reason, domestic many producers develop, develop the stepless torque changing change speed gear box.At present, a kind of stepless torque changing change speed gear box of high pulling torque is arranged, it mainly comprises the reversible hydraulic moment changeable driving device of three-phase quaternary part guide wheel, the power shfit driving device that active clutch, high-gear clutch, low regime clutch and output shaft assembly are formed.It has automatic comformability, and the power variation range is bigger than mechanical gear box, and dynamic property, accelerating ability that can bigger raising car load be simple to operate, can alleviate chaufeur labour intensity, and the travelling comfort of vehicle is significantly improved.But this structure is formed by connecting by a plurality of casings, and the box house amount of parts is more, so the casing volume is bigger, complex structure, assembling, inconvenient maintenance, manufacturing cost height.Moreover the casing joint face is more, easily causes too much hydraulic fluid leak link.Secondly, the stepless torque changing change speed gear box of this structure, engine flywheel is mounted in the inside of casing, and installation, maintenance is inconvenience very, and the leading section junction of casing do not have sealing, easily causes the leakage of hydraulic oil.And for the control of each power-transfer clutch, high-pressure oil duct is the outside that is arranged in change speed gear box, and oil duct is again to control by a specific hydraulic station, this structure is easy to generate hydraulic fluid leak, cause the change speed gear box job insecurity, and make that the box shape size is bigger, be unfavorable for the installation, maintenance of car load.
The purpose of this utility model provide a kind of simple in structure, cost is low, oad is little, and the automobile-use stepless torque changing change speed gear box of reliable operation.
The utility model is that the technical scheme that achieves the above object is: a kind of automobile-use stepless torque changing change speed gear box, comprise bending moment driving device and shift driving device, but the bending moment driving device is made of first guide wheel of the turbine on the casing, pump impeller, the second guide wheel contrarotation, lock-up clutch, oil pump etc., the shift driving device is made of the active clutch in the casing, low regime clutch, high-gear clutch and output shaft assembly etc., it is characterized in that:
A, be arranged on power bonded assembly elastic transmission dish before the outside of casing, the elastic transmission dish is connected with pump impeller by oil cylinder seat, lock-up clutch housing and bearing plate;
B, turbine are sleeved on the hollow shaft by wheel stand by its overriding clutch, pump impeller by its overriding clutch, second guide wheel by turbine seat, first guide wheel, and the rearward end of hollow shaft has the driving gear that fuses with it;
Imput shaft one end on c, the active clutch is bearing in the hollow shaft by bearing, and the other end is bearing on the rear box, and its leading section is connected with the turbine seat;
D, be contained in oil circuit on the rear box and join the oil inlet of pressing plate and be connected with the outlet of oil pump, its oil outlet is by preceding casing internal oil channel and rear box internal oil channel, be connected with internal oil channel and each pistons work chamber of imput shaft, low-grade axle, high-grade axle respectively with the internal oil channel that is contained in the rear box upper end cover, oil circuit is joined the control cock that the work of each grade of control power-transfer clutch is housed on the pressing plate, also have an internal oil channel on the imput shaft, and be connected with the epitrochoidal chamber of lock-up clutch by the internal oil channel of oil cylinder seat.
The utility model adopts the advantage after the technique scheme to be: automobile-use bending moment change speed gear box of the present utility model is to be connected to form by bending moment driving device and shift driving device, and before having only, latter two casing, hollow shaft and driving gear in the casing are structure as a whole, imput shaft in the hollow shaft also is structure as a whole, simplified the structure of turbine seat in addition, reduced amount of parts, also reduced simultaneously the sealing part of each parts, and be arranged on the casing outside with power bonded assembly elastic transmission dish, can directly be connected with engine flywheel, so gearbox designs advantages of simple, shortened the axial dimension of whole change speed gear box, and be convenient to install, keep in repair, reduced the manufacturing cost of change speed gear box.Secondly, in hydraulic transmission, change the external high-pressure oil duct in past into directly pass through preceding casing and rear box internal oil channel, with the internal oil channel that is contained in the rear box upper end cover respectively with imput shaft, low-grade axle, internal oil channel and each pistons work chamber on the high-grade axle are connected, and by being contained in oil circuit on the rear box is joined pressing plate and control cock is controlled, therefore reduced and oozed, the link of leakage of oil, can guarantee that each is from full device safety, the failure-free action, further improve the dynamic property of car load, economy and reliability, and after cancelling many exterior oil pipes, make that the change speed gear box outward appearance is clean and tidy, overall volume also reduces relatively, installs on self-propelled vehicle, maintenance is just very convenient.
Below in conjunction with accompanying drawing embodiment of the present utility model is further described.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the right TV structure scheme drawing of Fig. 1.
Fig. 3 shows structural representation for cuing open of the utility model bending moment driving device.
Fig. 4 is a fundamental diagram of the present utility model.
Fig. 5 is the structural representation of the utility model active clutch.
Fig. 6 is the structural representation of the utility model low regime clutch.
Fig. 7 is the structural representation of the utility model high-gear clutch.
Shown in Fig. 1～4, the utility model automobile-use stepless torque changing change speed gear box comprises bending moment driving device and shift driving device.But the bending moment driving device is made of the oil pump 21 on first guide wheel 17, lock-up clutch 22 and the preceding casing 3 of the turbine 18 in the casing before being arranged on 3, pump impeller 15,16 contrarotations of second guide wheel.For reducing the link of leakage of oil, the end cap 2 of preceding casing 3 is sealedly connected on the oil cylinder seat 28.Lock-up clutch 22 is made up of lock-up clutch housing 22-1, the piston 22-2, friction lining 22-3 and the bearing plate 22-4 that are contained on the oil cylinder seat 28.The outside of casing 3 before being arranged on power bonded assembly elastic transmission dish 1, flange on the elastic transmission dish 1 is connected with oil cylinder seat 28 leading sections, and elastic transmission dish 1 is connected with transferring power with pump impeller 15 by oil cylinder seat 28, lock-up clutch housing 22-1 and bearing plate 22-4.The oil pump drive gear 14 that is connected on the pump impeller 15 is meshed with driven gear of oil pump 23, drives oil pump 21 work.Turbine 18 is sleeved on the hollow shaft 13 by wheel stand 24 by its overriding clutch 25, pump impeller 15 by its overriding clutch 26, second guide wheel 16 by turbine seat 27, first guide wheel 17.For avoiding the epitrochoidal chamber that the quaternary part forms in the bending moment driving device to produce emptying phenomenon, wheel stand 24 is connected with the epitrochoidal chamber that pump impeller 15, second guide wheel 16, first guide wheel 17 and turbine 18 form by its internal oil channel 24-1, the rearward end of hollow shaft 13 has the driving gear that fuses with it, by the engagement that matches of this driving gear and each gear transmission gear.
As shown in Figure 4, active clutch 4, low regime clutch 20, high-gear clutch 19 and output shaft assembly 6 constitute the shift driving device in the rear box 7.As shown in Figure 5, active clutch 4 mainly is made up of imput shaft 4-1, housing 4-3, piston 4-4, friction lining 4-5, bearing plate 4-6, transmission gear 4-8, bearing and retracing spring 4-7.Low regime clutch 20 as shown in Figure 6 mainly is made up of low-grade axle 20-1, housing 20-4, piston 20-2, friction lining 20-3, bearing plate 20-5, low-grade transmission gear 20-7, bearing and retracing spring 20-6.High-gear clutch 19 as shown in Figure 7 mainly is made up of high-grade axle 19-2, housing 19-3, piston 19-4, friction lining 19-5, bearing plate 19-6, high-grade transmission gear 19-1, bearing and retracing spring 19-7.6 of output shaft assemblies by output shaft 6-3, be installed in the duplex transmission gear 6-1 on the output shaft 6-3, high-grade driven gear 6-4, low-grade driven gear 6-5, bearing and output flange 6-2 and form.On each gear clutch-bell cover 4-3,20-4, the 19-3 gear that fuses is arranged all, therefore can further shorten the axial dimension of change speed gear box.Imput shaft 4-1 on the active clutch 4 is an elongated axle, and imput shaft 4-1 one end is bearing in the hollow shaft 13 by bearing, and the other end is bearing on the rear box 7, and its leading section is connected with turbine seat 27, has therefore simplified the inner structure of change speed gear box.
As Fig. 1,2, shown in 3, being contained in oil circuit on the rear box 7 joins the oil inlet of pressing plate 8 and is connected with the oil outlet of oil pump 21, its oil outlet is by preceding casing 3 internal oil channels and rear box 7 internal oil channel 7-1, with the internal oil channel 11-1 that is contained in rear box 7 upper end covers 11 respectively with imput shaft 4-1, low-grade axle 20-1, the internal oil channel 4-9 of high-grade axle 19-2,20-8,19-8 and each pistons work chamber are connected, the control cock 5 of each grade of control power-transfer clutch work is housed on the oil circuit oil-distributing plate 8, imput shaft 4-1 goes up and also has an internal oil channel 4-2 as shown in Figure 5, and the internal oil channel 28-1 that passes through oil cylinder seat 28 is communicated with the epitrochoidal chamber of lock-up clutch 22, thereby reduced the leakage of oil circuit, improved the reliability of change speed gear box work.
Automobile-used stepless torque changing change speed gear box of the present utility model is when work, behind engine starting, driving pump impeller 15, oil pump drive gear 14 and driven gear 23 thereof by elastic transmission dish 1 rotates together, oil pump 14 promptly begins the work of oiling, and pump impeller 15 drive turbines 18 and imput shaft 4-1 rotate together thereupon.When active clutch 4, high-gear clutch 19, when low regime clutch 20 is all thrown off, inactivity output, it is neutral gear that change speed gear box is running no load.When hanging arbitrary grade of reverse gear, top grade or low grade, joint because of this grade power-transfer clutch, output shaft 6-3 is driven, at this moment, with the size that drives load, by the engagement that matches of the transmission gear of the gear of hollow shaft 13 rearward end, each power-transfer clutch and the transmission gear on the output shaft 6-3, the total torque behind the torque superpositions that torque that increases because of 17 counter-rotatings of first guide wheel and turbine 18 form itself is along with reverse gear, top grade or low-grade transmission gear reach output shaft 6-3.When output shaft 6-3 load is big, because of the automatic stepless bending moment function of tor-con, produce suitable moment driving machine motor-car operation, this moment, output speed was corresponding lower, and along with progressively reducing of self-propelled vehicle operation back driving torque, output speed is with regard to corresponding raising.Behind the vehicle start, as road driving in order, after connecting lock-up clutch 22 again, the bending moment driving device is because of the effect bending moment inefficacy voluntarily of the overriding clutch 26,25 on first guide wheel 17, second guide wheel 16, the power of input this moment directly drives imput shaft 4-1 by elastic transmission dish 1 and reaches output shaft 6-3, this moment, the driving efficiency of change speed gear box reached the highest, consumption minimization.
Claims (4)
1, a kind of automobile-use stepless torque changing change speed gear box, comprise bending moment driving device and shift driving device, the bending moment driving device by the turbine on the casing (18), pump impeller (15), second guide wheel (16) but first guide wheel (17), lock-up clutch (22), the oil pump formations such as (21) of contrarotation, the shift driving device be is characterized in that by the active clutch in the casing (4), low regime clutch (20), high-gear clutch (19) and output shaft assembly formations such as (6):
A, be arranged on the outside of preceding casing (3) with power bonded assembly elastic transmission dish (1), elastic transmission dish (1) is connected with pump impeller (15) by oil cylinder seat (28), lock-up clutch housing (22-1) and bearing plate (22-4):
B, turbine (18) are sleeved on the hollow shaft (13) by wheel stand (24) by its overriding clutch (25), pump impeller (15) by its overriding clutch (26), second guide wheel (16) by turbine seat (27), first guide wheel (17), and the rearward end of hollow shaft (13) has the driving gear that fuses with it;
Imput shaft (4-1) end on c, the active clutch (4) is bearing in the hollow shaft (13) by bearing, and the other end is bearing on the rear box (7), and its leading section is connected with turbine seat (27);
D, being contained in rear box (7) goes up oil circuit and joins the oil inlet of pressing plate (8) and be connected with the outlet of oil pump (21), its oil outlet is by preceding casing (3) internal oil channel and rear box (7) internal oil channel (7-1), with the internal oil channel (11-1) that is contained in rear box (7) upper end cover (11) respectively with imput shaft (4-1), low-grade axle (20-1), the internal oil channel (4-9) of high-grade axle (19-2), (20-8), (19-8) and each pistons work chamber be connected, oil circuit is joined the control cock (5) that the work of each grade of control power-transfer clutch is housed on the pressing plate (8), imput shaft (4-1) goes up also has an internal oil channel (4-2), and is connected with the epitrochoidal chamber of lock-up clutch (22) by the internal oil channel (28-1) of oil cylinder seat (28).
2, automobile-use stepless torque changing change speed gear box according to claim 1 is characterized in that: the front end cover (2) on the preceding casing (3) is sealedly connected on the oil cylinder seat (28).
3, automobile-use stepless torque changing change speed gear box according to claim 1 is characterized in that: housing (4-3), (20-4), (19-3) of active clutch (4), low regime clutch (20) and high-gear clutch (19) all have the gear that fuses.
4, automobile-use stepless torque changing change speed gear box according to claim 1 is characterized in that: wheel stand (24) is connected with the epitrochoidal chamber that pump impeller (15), second guide wheel (16), first guide wheel (17) and turbine (18) form by its internal oil channel (24-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01217816 CN2465977Y (en) | 2001-03-09 | 2001-03-09 | Stepless moment- and speed-changing box for motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01217816 CN2465977Y (en) | 2001-03-09 | 2001-03-09 | Stepless moment- and speed-changing box for motor vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2465977Y true CN2465977Y (en) | 2001-12-19 |
Family
ID=33635968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01217816 Expired - Fee Related CN2465977Y (en) | 2001-03-09 | 2001-03-09 | Stepless moment- and speed-changing box for motor vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2465977Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102947622A (en) * | 2010-06-23 | 2013-02-27 | 舍弗勒技术股份两合公司 | Pump arrangement |
| CN103939566A (en) * | 2014-05-07 | 2014-07-23 | 吴志强 | Compound type double-guide-wheel hydraulic torque converter and continuously variable transmission |
| CN105422786A (en) * | 2015-12-16 | 2016-03-23 | 陕西航天动力高科技股份有限公司 | Transmission mechanism of loading machine |
| CN105650236A (en) * | 2014-05-07 | 2016-06-08 | 吴志强 | Compound double-guide-wheel type hydraulic torque converter |
-
2001
- 2001-03-09 CN CN 01217816 patent/CN2465977Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102947622A (en) * | 2010-06-23 | 2013-02-27 | 舍弗勒技术股份两合公司 | Pump arrangement |
| CN103939566A (en) * | 2014-05-07 | 2014-07-23 | 吴志强 | Compound type double-guide-wheel hydraulic torque converter and continuously variable transmission |
| CN103939566B (en) * | 2014-05-07 | 2016-04-13 | 吴志强 | A kind of stepless speed variator with two guide-roller type fluid torque converter |
| CN105650236A (en) * | 2014-05-07 | 2016-06-08 | 吴志强 | Compound double-guide-wheel type hydraulic torque converter |
| CN105422786A (en) * | 2015-12-16 | 2016-03-23 | 陕西航天动力高科技股份有限公司 | Transmission mechanism of loading machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: DENG YAMIN Free format text: FORMER NAME OR ADDRESS: CHANGZHOU YIDA CAR AUTOMATIC TRANSMISSION MANUFACTURING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Baixia road Nanjing 210001 Jiangsu province No. 355 Patentee after: Deng Yamin Address before: 2, building 213022, block A, Cheonan industrial village, New District, Jiangsu, Changzhou Patentee before: Changzhou Yida automobile automatic transmission manufacturing Co., Ltd. |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |