CN204226625U - Wet type two gear automatic speed variator - Google Patents
Wet type two gear automatic speed variator Download PDFInfo
- Publication number
- CN204226625U CN204226625U CN201420698691.2U CN201420698691U CN204226625U CN 204226625 U CN204226625 U CN 204226625U CN 201420698691 U CN201420698691 U CN 201420698691U CN 204226625 U CN204226625 U CN 204226625U
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- power
- speed
- wet type
- input shaft
- variable
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Abstract
The utility model belongs to technical field of new energy, relate to automobile gearshift mechanism, specifically a kind of wet type two gear automatic speed variator, comprise rear casing, described rear casing is connected with front casing, the input end of described rear casing is provided with power oil pump, in rear casing, described power oil pump opposite side is provided with wet type speed change clutch; Described power oil delivery side of pump connects power input shaft, and the power of power input shaft inputs to wet type speed change clutch, and the Power output of described wet type speed change clutch is to pto＝power take-off; Described power input shaft rotating support is on rear casing, and the power input shaft the other end stretches in front casing, and the end that power input shaft stretches into front casing is connected with motor land, pto＝power take-off rotating support is on rear casing, and described power input shaft, pto＝power take-off are arranged in parallel.This speed changer volume is little, lightweight, rated speed is high, and nominal drive torque is large.
Description
Technical field
The utility model belongs to technical field of new energy, relates to automobile gearshift mechanism, specifically a kind of wet type two gear automatic speed variator.
Background technique
Electric vehicle is just listed in emphasis research and development brainstorm project as far back as " eight or five " period by China, electric vehicle is classified as great scientific and technological industry engineering by " 95 ", electric vehicle major scientific and technological project that " 15 " set up " 863 plan ", establish and adhered to the research and development layout of " three vertical three is horizontal ", Eleventh Five-Year Plan is set up again " 863 plan " energy-conservation continue to subsidize new-energy automobile with new-energy automobile major project research and development, application and popularization.
Current domestic electric vehicle also exists between complete vehicle structure compactedness, each assembly and coordinates the problems such as not tight compared with foreign same type vehicle.In order to address these problems, scientific and technological circle of China are making great efforts to make each key building block of pure electric automobile to modularization and integrated future development.
Key building block as pure electric automobile: drive motor, it drives electromagnetic property, limits by vehicle-mounted service condition, directly uses motor-driven vehicle to there is a series of disadvantages such as efficiency is low, energy consumption is large, acceleration is little, climbable gradient is inadequate.
At present, specified output speed about the 2000r/min of domestic onboard power drive motor, specified Driving Torque about 50Nm, being that permanent torque exports in the output characteristics of below 2000r/min motor, is constant power output in the output characteristics of more than 2000r/min motor.
When drive motor is operated in permanent Driving Torque region, consuming energy increases progressively by a square multiplying power, on the continual mileage impact of vehicle power greatly; When drive motor is operated in constant power output region, Driving Torque reduces with the raising of the speed of a motor vehicle, directly affects acceleration and the grade climbing performance of vehicle.
When drive motor is operated in below 2000r/min, consume energy into multiplying power and increase, when drive motor is operated in more than 2000r/min, driving torque becomes multiplying power to reduce, rotating speed about 2000r/min is often operated in for making drive motor, near the efficient operating point of torque about 50Nm, just require that the gear reduction system of vehicle must have the function of gear ratio, make power assembly when vehicle starting and low speed driving, reduction speed ratio increases, drive motor is operated near the rated speed point of about 2000r/min, when the urban road that the speed of a motor vehicle of automobile reaches 30 ~ 60km/h often uses the speed of a motor vehicle, reduction speed ratio reduces, make drive motor still can be operated near the rated speed point of about 2000r/min, even if also drive motor is often operated near high-efficiency point, the acceleration of effective guarantee vehicle, climbable gradient, the utilization of continual mileage and the energy content of battery.
Through Cha Xin and investigation, the domestic manufacturer not producing this type of new-energy automobile two gear automatic speed variator at present, the reducing gear of what current domestic pure electric automobile motor drove power assembly to adopt is constant-speed ratio, and not in full conformity with the operating characteristic of motor.Have developed the present invention's design for this reason, have developed this new-energy automobile two gear automatic speed variator.
Summary of the invention
The utility model is for the problems referred to above, and provide a kind of wet type two gear automatic speed variator, this speed changer volume is little, lightweight, rated speed is high, and nominal drive torque is large.
According to the technical solution of the utility model: a kind of wet type two gear automatic speed variator, it is characterized in that: comprise rear casing, described rear casing is connected with front casing, the input end of described rear casing is provided with power oil pump, in rear casing, described power oil pump opposite side is provided with wet type speed change clutch; Described power oil delivery side of pump connects power input shaft, and the power of power input shaft inputs to wet type speed change clutch, and the Power output of described wet type speed change clutch is to pto＝power take-off; Described power input shaft rotating support is on rear casing, and the power input shaft the other end stretches in front casing, and the end that power input shaft stretches into front casing is connected with motor land, pto＝power take-off rotating support is on rear casing, and described power input shaft, pto＝power take-off are arranged in parallel.
As further improvement of the utility model, described wet type speed change clutch comprises clutch housing and rotation and is arranged at variable-speed shaft on described clutch housing, the variable-speed shaft rear end diameter of axle is arranged with rear end roller bearing, roller bearing rear end, described rear end is provided with axial spacer, front end is provided with rear end bearing gap pad, and the front end corresponding to rear end bearing gap pad on deboost axle arranges low-speed output gear; Described variable-speed shaft front end is stretched out outside clutch housing, and is disposed with rear end bearing gap pad, high-speed output gear, bearing play, front end pad, variable-speed shaft output gear, front end roller bearing on variable-speed shaft stretches out outside clutch housing the diameter of axle; Described variable-speed shaft inside is provided with horizontal oil duct, and horizontal oil duct outer end is provided with hydraulic fluid port plug, and the variable-speed shaft rear end diameter of axle is provided with oil-feed connecting sleeve, and the transmission of power of described variable-speed shaft is to pto＝power take-off; Clutch housing is provided with wet clutch and control piston, oil groove port and the horizontal oil duct of wet clutch are connected.
As further improvement of the utility model, described high-speed output gear is arranged on variable-speed shaft by connecting spline.
Technique effect of the present utility model is: the utility model product structure is simple, reasonable in design ingenious, there is provided a kind of, hydraulic control wet type two gear automatic speed variator of forming new type power assembly supporting with driving motor of pure electric automobile, to solve the requirement of pure electric automobile motor power assembly; The utility model small product size is little, lightweight, rated speed is high, nominal drive torque is large.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of wet type speed change clutch in the utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
In Fig. 1,2, comprise power oil pump 1, power input shaft 2, pto＝power take-off 3, wet type speed change clutch 4, oil-feed connecting sleeve 4.1, hydraulic fluid port plug 4.2, axial spacer 4.4, rear end roller bearing 4.5, rear end bearing gap pad 4.6, low-speed output gear 4.7, wet clutch 4.8, control piston 4.9, rear end bearing gap pad 4.10, high-speed output gear 4.11, connect spline 4.12, bearing play, front end pad 4.13, variable-speed shaft output gear 4.14, front end roller bearing 4.15, rear casing 5, front casing 6, motor tie-plate 7 etc.
As shown in Figure 1, 2, the utility model is a kind of wet type two gear automatic speed variator, comprises rear casing 5, and described rear casing 5 is connected with front casing 6, the input end of described rear casing 5 is provided with power oil pump 1, in rear casing 5, described power oil pump 1 opposite side is provided with wet type speed change clutch 4; The output terminal of described power oil pump 1 connects power input shaft 2, and the power of power input shaft 2 inputs to wet type speed change clutch 4, and the Power output of described wet type speed change clutch 4 is to pto＝power take-off 3; Described power input shaft 2 rotating support is on rear casing 5, and power input shaft 2 the other end stretches in front casing 6, and the end that power input shaft 2 stretches into front casing 6 is connected with motor land 7, pto＝power take-off 3 rotating support is on rear casing 5, and described power input shaft 2, pto＝power take-off 3 are arranged in parallel.
Described wet type speed change clutch 4 comprises clutch housing and rotation and is arranged at variable-speed shaft on described clutch housing, the variable-speed shaft rear end diameter of axle is arranged with rear end roller bearing 4.5, roller bearing 4.5 rear end, described rear end is provided with axial spacer 4.4, front end is provided with rear end bearing gap pad 4.6, and the front end corresponding to rear end bearing gap pad 4.6 on deboost axle arranges low-speed output gear 4.7; Described variable-speed shaft front end is stretched out outside clutch housing, and is disposed with rear end bearing gap pad 4.10, high-speed output gear 4.11, bearing play, front end pad 4.13, variable-speed shaft output gear 4.14, front end roller bearing 4.14 on variable-speed shaft stretches out outside clutch housing the diameter of axle; Described variable-speed shaft inside is provided with horizontal oil duct, and horizontal oil duct outer end is provided with hydraulic fluid port plug 4.2, and the variable-speed shaft rear end diameter of axle is provided with oil-feed connecting sleeve 4.1, and the transmission of power of described variable-speed shaft is to pto＝power take-off 3; Clutch housing is provided with wet clutch 4.8 and control piston 4.9, oil groove port and the horizontal oil duct of wet clutch 4.8 are connected.
Described high-speed output gear 4.11 is arranged on variable-speed shaft by connecting spline 4.12.
Working procedure of the present utility model is as follows: operationally, through oil-feed joint sleeve 4.1 and design, the oil duct on axle is transported to 4.8 wet clutches to pressure oil liquid, 4.8 wet clutches have two groups of identical Wet-type friction slices, the combination that one group of Wet-type friction slice on the right controls top gear be separated, when 4.9 control pistons do not work, compressed by a slice belleville spring, make 4.11 high speed gear's engaging work, when pressure oil liquid is sent in manipulation, when 4.9 control pistons are moved to the left, the belleville spring on right side is straightened, loosen and compress right side Wet-type friction slice, make 4.11 high speed gears separated, the Wet-type friction slice in left side is compressed by 4.9 control pistons immediately, make 4.7 bottom gears in conjunction with transferring power, when the speed of a motor vehicle reaches the conversion value of setting, the compression fluid of 4.9 control pistons is by emptying, belleville spring resets, the Wet-type friction slice on right side is compressed again by belleville spring, high speed gear's engaging work transferring power, now shifting system not consumption of power, iterative cycles like this, can make pure electric automobile within the time as much as possible, be operated in the efficient district of drive motor, reach the object effectively improving continual mileage.
Claims (3)
1. wet type two gear automatic speed variator, it is characterized in that: comprise rear casing (5), described rear casing (5) is connected with front casing (6), the input end of described rear casing (5) is provided with power oil pump (1), in rear casing (5), described power oil pump (1) opposite side is provided with wet type speed change clutch (4); The output terminal of described power oil pump (1) connects power input shaft (2), and the power of power input shaft (2) inputs to wet type speed change clutch (4), and the Power output of described wet type speed change clutch (4) is to pto＝power take-off (3); Described power input shaft (2) rotating support is on rear casing (5), and power input shaft (2) the other end stretches in front casing (6), and the end that power input shaft (2) stretches into front casing (6) is connected with motor land (7), pto＝power take-off (3) rotating support is on rear casing (5), and described power input shaft (2), pto＝power take-off (3) are arranged in parallel.
2. according to wet type two gear automatic speed variator according to claim 1, it is characterized in that: described wet type speed change clutch (4) comprises clutch housing and rotation and is arranged at variable-speed shaft on described clutch housing, the variable-speed shaft rear end diameter of axle is arranged with rear end roller bearing (4.5), roller bearing (4.5) rear end, described rear end is provided with axial spacer (4.4), front end is provided with rear end bearing gap pad (4.6), and the front end corresponding to rear end bearing gap pad (4.6) on deboost axle arranges low-speed output gear (4.7); Described variable-speed shaft front end is stretched out outside clutch housing, and is disposed with rear end bearing gap pad (4.10), high-speed output gear (4.11), bearing play, front end pad (4.13), variable-speed shaft output gear (4.14), front end roller bearing (4.14) on variable-speed shaft stretches out outside clutch housing the diameter of axle; Described variable-speed shaft inside is provided with horizontal oil duct, and horizontal oil duct outer end is provided with hydraulic fluid port plug (4.2), the variable-speed shaft rear end diameter of axle is provided with oil-feed connecting sleeve (4.1), and the transmission of power of described variable-speed shaft is to pto＝power take-off (3); Clutch housing is provided with wet clutch (4.8) and control piston (4.9), oil groove port and the horizontal oil duct of wet clutch (4.8) are connected.
3. according to wet type two gear automatic speed variator according to claim 2, it is characterized in that: described high-speed output gear (4.11) is arranged on variable-speed shaft by connecting spline (4.12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420698691.2U CN204226625U (en) | 2014-11-19 | 2014-11-19 | Wet type two gear automatic speed variator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420698691.2U CN204226625U (en) | 2014-11-19 | 2014-11-19 | Wet type two gear automatic speed variator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204226625U true CN204226625U (en) | 2015-03-25 |
Family
ID=52924724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420698691.2U Withdrawn - After Issue CN204226625U (en) | 2014-11-19 | 2014-11-19 | Wet type two gear automatic speed variator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204226625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390002A (en) * | 2014-11-19 | 2015-03-04 | 无锡金田元丰科技股份有限公司 | Wet type two-gear automatic transmission |
-
2014
- 2014-11-19 CN CN201420698691.2U patent/CN204226625U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104390002A (en) * | 2014-11-19 | 2015-03-04 | 无锡金田元丰科技股份有限公司 | Wet type two-gear automatic transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150325 Effective date of abandoning: 20160831 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |