CN205601603U - Horizontal two keep off electric automobile power assembly - Google Patents
Horizontal two keep off electric automobile power assembly Download PDFInfo
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- CN205601603U CN205601603U CN201620321490.XU CN201620321490U CN205601603U CN 205601603 U CN205601603 U CN 205601603U CN 201620321490 U CN201620321490 U CN 201620321490U CN 205601603 U CN205601603 U CN 205601603U
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- gear
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- brake
- sun gear
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Abstract
The utility model discloses a horizontal two keep off electric automobile power assembly contains a casing, the casing in be equipped with input shaft group, a ring gear, a sun gear, output shaft group, a shelves stopper and an electric hydraulic controller one by one, the casing on be equipped with lid behind the detachable, back lid in be equipped with a reduction gear system. The utility model discloses a freely changing of two drive shifts is realized through automatically controlled hydraulic system to two grade horizontal electric automobile power assemblies, need not under the prerequisite of power cut, has satisfied the demand of electric automobile under the pavement condition of difference. The utility model discloses combine PMSM and two grades of horizontal automatic transmission effectively together, have small, simple structure, high, the continuous advantages such as mileage increase, battery life extension of sailing of transmission efficiency.
Description
Technical field
This utility model relates to a kind of electric automobile, more precisely, be a kind of horizontal two gear power assembly of electric automobile.
Background technology
The waste gas produced when electric automobile works without internal-combustion engines vehicle, does not produce exhaust pollution, and the cleaning to environmental conservation and air is highly beneficial, almost " no pollution ".Existing pure electric automobile commonly uses the deceleration device of single speed ratio.Automobile, when starting or climbing, drives the power of motor output to have to pass through a bigger speed reducing ratio and could obtain enough torque drive automobiles, but when running at high speed, automobile needs again a less speed reducing ratio, and vehicle just can be made to reach max. speed requirement.Owing to single speed is difficult to simultaneously satisfied running at high speed (more than 120km/h) and the requirement of low speed climbing (gradient of more than 25%) performance than deceleration device.To reach high-speed demand, it is necessary to improve motor speed, such motor cost increases, and reliability will reduce.But when low speed starting or climbing, the electric current of motor is excessive and brings a series of drawbacks such as efficiency is on the low side, continual mileage decline, the increase of controller manufacturing cost, shorter battery life.
As used traditional lock unit formula gear-shift mechanism, then need to cut off power with clutch when shifting gears position, the gearshift otherwise cannot being well on, the driving motor acceleration of electric automobile is considerably beyond fuel engines, the adhesion deficiency of clutch has become a great problem, in order to consider that the arrangement space of car load reduces and motor combines with the effective of change speed gear box, so for not having clutch to realize fluid drive, and provide rational structure for entire vehicle design and layout, become the object of study of electric automobile designer.
Utility model content
This utility model mainly solves the technical problem existing for prior art, thus provides a kind of horizontal two gear power assembly of electric automobile.
Above-mentioned technical problem of the present utility model is mainly addressed by following technical proposals:
A kind of horizontal two gear power assembly of electric automobile, comprise a housing, a power shaft group, a gear ring, a sun gear, an output shaft group, one by one gear brake and an electric hydraulic controller it is provided with in described housing, described housing is provided with a dismountable bonnet, is provided with a train of reduction gears in described bonnet；
Described power shaft group comprises a power shaft and one or two gear clutch hubs, two described gear clutch hubs are welded to connect with described power shaft, described power shaft and a motor are connected, the head of described power shaft is provided with an input spline, its afterbody is provided with a sun gear and connects spline, the bottom of two described gear clutch hubs is provided with one or two gear clutch plungers and one or two gear clutch retraction springs, the two gear steel disc arrays being made up of two gear steel discs it are provided with in two described gear clutch hubs, it is respectively equipped with one or two gear frictional disks between adjacent two described gear steel discs, the inwall circumference of two described gear frictional disks is provided with the two fixing tooth arrays of gear being made up of the two fixing teeth of gear；
Described gear ring comprises two gear braked wheels of an annular and a gear braked wheel of an annular, the outer wall of two described gear braked wheels is provided with the two gear brake tooth arrays being made up of two gear brake tooths, the outer wall of a described gear braked wheel is provided with a gear brake tooth array being made up of a gear brake tooth, and the inwall of a described gear braked wheel is provided with a gear driving cog array being made up of a gear driving cog；
The outer wall of described sun gear is provided with a sun gear input tooth array being made up of sun gear input tooth, and its inwall is provided with one and is fixed, by sun gear, the sun gear that tooth forms and fix tooth array；
Described output shaft group comprises an output shaft and a discoid lock banking stop, and the top of described lock banking stop is provided with a planetary gear mounting bracket, and described planetary gear mounting bracket is provided with a planetary gear array being made up of planetary gear；
A described gear brake comprises and keeps off brake piston one by one, the bottom of a described gear brake piston is provided with gear brake check spring and a gear steel disc array being made up of a gear steel disc one by one, being respectively equipped with between an adjacent described gear steel disc and keep off frictional disk one by one, the inwall circumference of a described gear frictional disk is provided with a fixing tooth array of gear being made up of a fixing tooth of gear；
The two fixing teeth of gear of two described gear frictional disks match with described two gear brake tooths, and a fixing tooth of gear of a described gear frictional disk matches with described one gear brake tooth；
Being meshed of sun gear input tooth and the described planetary gear of described sun gear, the sun gear of described sun gear fixes tooth and is connected spline with the sun gear of described power shaft and is meshed, and the one of described gear ring keeps off driving cog and is meshed with described planetary gear.
Described train of reduction gears comprises an one-level deceleration driving gear, a primary speed-down driven gear, a double reduction driving gear and a double reduction driven gear, and described primary speed-down driving gear is connected with described output shaft.
As this utility model preferred embodiment, described motor is permagnetic synchronous motor.
Horizontal two gear power assembly of electric automobile of the present utility model have the advantage that horizontal two gear power assembly of electric automobile of the present utility model realize freely changing of two forward gears by electronically controlled hydraulic system, on the premise of without cutting off power, it is possible to meet low speed climbing and performance requirement of running at high speed.Permagnetic synchronous motor is effectively bonded together by this utility model with horizontal two-gear automatic speed changing case, has the advantages such as volume is little, simple in construction, production cost are low, transmission efficiency is high, continual mileage increase, longer cell life.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the cross-sectional view of horizontal two gear power assembly of electric automobile of the present utility model；
Fig. 2 is the inside perspective view of the horizontal two gear power assembly of electric automobile in Fig. 1；
Fig. 3 is the stereochemical structure decomposing schematic representation of the horizontal two gear power assembly of electric automobile in Fig. 2；
Fig. 4 is the stereochemical structure decomposing schematic representation of the power shaft group of the horizontal two gear power assembly of electric automobile in Fig. 2；
Fig. 5 is the perspective view of two gear steel discs of the power shaft group in Fig. 3；
Fig. 6 is the perspective view of two gear frictional disks of the power shaft group in Fig. 3；
Fig. 7 is the details enlarged diagram of the a-quadrant of two gear frictional disks of the power shaft group in Fig. 5；
Fig. 8 is the perspective view of the gear ring of the horizontal two gear power assembly of electric automobile in Fig. 2；
Fig. 9 is the perspective view of the gear ring in Fig. 7, is now another visual angle；
Figure 10 is the perspective view of the sun gear of the horizontal two gear power assembly of electric automobile in Fig. 2；
Figure 11 is the perspective view of the output shaft group of the horizontal two gear power assembly of electric automobile in Fig. 2；
Figure 12 is the stereochemical structure decomposing schematic representation of a gear brake of the horizontal two gear power assembly of electric automobile in Fig. 2；
Figure 13 is the sectional perspective structural representation of the horizontal two gear power assembly of electric automobile in Fig. 1；
Wherein,
1, power shaft group；11, power shaft；111, input spline；112, sun gear connects spline；12, two gear clutch hub；13, two gear clutch plunger；131, two gear clutch retraction springs；14, two gear steel disc；141, two gear location are prominent；15, two gear frictional disk；151, the two fixing tooth of gear；2, gear ring；21, two gear braked wheel；211, two gear brake tooth；22, a gear braked wheel；221, a gear brake tooth；222, a gear driving cog；3, sun gear；31, sun gear input tooth；32, sun gear fixes tooth；4, output shaft group；41, output shaft；42, lock banking stop；421, locking bayonet socket；43, planetary gear mounting bracket；44, planetary gear；5, a gear brake；51, a gear brake piston；52, a gear brake check spring；53, a gear steel disc；54, a gear frictional disk；541, a fixing tooth of gear；6, housing；7, motor；8, electric hydraulic controller；9, bonnet；S10, primary speed-down driving gear；S11, primary speed-down driven gear；S12, double reduction driving gear；S13, double reduction driven gear.
Detailed description of the invention
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail, so that advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus protection domain of the present utility model is made apparent clear and definite defining.
As shown in Figure 1 to Figure 3, these horizontal two gear power assembly of electric automobile comprise power shaft group 1, gear ring 2, sun gear 3, output shaft group 4 and gear brake 5 one by one.This power shaft group 1, gear ring 2, sun gear 3, output shaft group 4 and a gear brake 5 are arranged in a housing 6, and housing generally uses foundry goods manufacture.
As shown in Figure 4, this power shaft group 1 comprises a power shaft 11 and 1 and keeps off clutch hub 12, and this power shaft 11 is connected with a motor 7.This motor 7 is permagnetic synchronous motor.Permagnetic synchronous motor has that simple in construction, volume be little, lightweight, loss less, efficiency is high and power factor advantages of higher, response quickly, speed-regulating range width, accurate positioning.
It addition, this power shaft 11 utilizes input spline 111 to be connected with motor.
This two gears clutch hub 12 is welded to connect with this power shaft 11, the head of this power shaft 11 is provided with an input spline 111, its afterbody is provided with a sun gear and connects spline 112, the bottom of this two gears clutch hub 12 is provided with one or two gear clutch plungers 13 and 1 and keeps off clutch retraction springs 131, it is provided with the two gear steel disc arrays being made up of two gear steel discs 14 in this two gears clutch hub 12, between this adjacent two gears steel disc 14, is respectively equipped with one or two gear frictional disks 15.
As it is shown in figure 5, the outer wall circumference of two gear steel discs 14 is provided with multiple two gear location prominent 141, in the groove structure that these two gears location prominent 141 are preset in being directly embedded in housing.
As shown in Figure 6 and Figure 7, the inwall circumference of this two gears frictional disk 15 is provided with the two fixing tooth arrays of gear being made up of the two fixing teeth 151 of gear.
As shown in Figure 8 and Figure 9, this gear ring 2 comprises two gear braked wheels 21 of an annular and a gear braked wheel 22 of an annular, the outer wall of this two gears braked wheel 21 is provided with the two gear brake tooth arrays being made up of two gear brake tooths 211, the outer wall of this gear braked wheel 22 is provided with a gear brake tooth array being made up of a gear brake tooth 221, and the inwall of this gear braked wheel 22 is provided with a gear driving cog array being made up of a gear driving cog 222.
As shown in Figure 10, the outer wall of this sun gear 3 is provided with a sun gear input tooth array being made up of sun gear input tooth 31, and its inwall is provided with one and is fixed, by sun gear, the sun gear that tooth 32 forms and fix tooth array.
As shown in figure 11, this output shaft group 4 comprises output shaft 41 and a discoid lock banking stop 42.The sidewall of lock banking stop 42 is provided with multiple locking bayonet socket 421.These locking bayonet sockets 421 match with the braking column pawl of automobile, for the parking of automobile.
The top of this lock banking stop 42 is provided with a planetary gear mounting bracket 43, and this planetary gear mounting bracket 43 is provided with a planetary gear array being made up of planetary gear 44.Now in figure, the quantity of the planetary gear 44 of display is four, it is clear that the quantity of planetary gear 44 is not limited to four.
It addition, this output shaft 41 is connected with a train of reduction gears and differential mechanism, the power of motor is transported on the power transmission shaft of automobile, in order to drive wheel.
As shown in figure 12, this gear brake 5 comprises gear brake piston 51 one by one, the bottom of this gear brake piston 51 is provided with gear brake check spring 52 and a gear steel disc array being made up of a gear steel disc 53 one by one, being respectively equipped with gear frictional disk 54 one by one between this adjacent gear steel disc 53, the inwall circumference of this gear frictional disk 54 is provided with a fixing tooth array of gear being made up of a fixing tooth 541 of gear.
The sun gear input tooth 31 of this sun gear 3 and being meshed of this planetary gear 44, this sun gear 3 is positioned at the middle part of four planetary gears 44.
The sun gear of this sun gear 3 is fixed tooth 32 and is connected spline 112 with the sun gear of this power shaft 11 and is meshed, and a gear driving cog 222 of this gear ring 2 is meshed with planetary gear 44.
The operation principle of this horizontal two gear power assembly of electric automobile is described below.
1), a gear state
When automobile starting, gear box oil is filled with by electric hydraulic controller 8 from the bottom of a gear brake piston 51, one gear steel disc 53 and a gear frictional disk 54 are extruded by a gear brake piston 51, now, one gear frictional disk 54 no longer can be freely rotatable, the one fixing tooth 541 of gear of one gear frictional disk 54 is locked with a gear brake tooth 221 of gear ring 2, and now gear ring 2 is braked by a gear frictional disk 54.The power sequence of batching products of motor is: motor-power shaft 11-sun gear 3-planetary gear 44-output shaft 41-primary speed-down driving gear S10-primary speed-down driven gear S11-double reduction driving gear S12-double reduction driven gear S13, now realizes the low speed output of a gear.In this process, the sun gear of sun gear 3 input tooth 31 and planetary gear 44 carry out internal messing (internal messing here refer to sun gear 3 be stuck in four planetary gears 44 within), and the periphery of planetary gear 44 then freely rolls on a gear driving cog 222 of gear ring 2.Should be noted that time, electric hydraulic controller 8 here is construed as the integration module of hydraulic pump, fluid pressure line and electric-control system.
2) two gear state
When automobile computer (TCU) detect need gearshift time, now, the discharge degree of the hydraulic oil of the bottom of one gear brake piston 51, under the effect of a gear brake check spring 52, one gear steel disc 53 and a gear frictional disk 54 recover state free to rotate, and a gear brake tooth 221 is no longer braked by a fixing tooth 541 of gear of a gear frictional disk 54.Simultaneously, electric hydraulic controller 8 carries out injection pressure to two gear clutch plungers 13 of the bottom of two gear clutch hubs 12, two gear steel discs 14 and two gear frictional disks 15 are extruded by two gear clutch plungers 13, now, two gear frictional disks 15 no longer can be freely rotatable, the two fixing teeth 151 of gear of two gear frictional disks 15 are locked with two gear brake tooths 211 of gear ring 2, and now gear ring 2 is braked by two gear frictional disks 15.Then, power shaft group 1, gear ring 2 and sun gear 3 carry out synchronous axial system as an entirety.Owing to a gear driving cog 222 of gear ring 2 carries out external toothing with planetary gear 44, and the sun gear input tooth 31 of sun gear 3 carries out internal messing with planetary gear 44, then planetary gear 44 rotates the most jointly with sun gear 3 and gear ring 2, the power of motor exports in the way of 1:1 to the output shaft 41 of output shaft group 4, output shaft 41 links together with primary speed-down driving gear S10, primary speed-down driving gear S10 passes to primary speed-down driven gear S11, primary speed-down driven gear S11 and double reduction driving gear S12 is installed together, double reduction driving gear S12 connects double reduction driven gear S13, final double reduction driven gear S13 and differential mechanism wheel hub are linked together output by screw, now realize the speedy carding process of two gears.
3) R keeps off (reversing gear) state now motor reversal, and other setting is identical with a gear.Narration is not repeated herein.
4) N gear (neutral) state and P gear (parking) state are now, motor stalling.When P keeps off, the lock banking stop 42 of output shaft group 4 lock claw that is parked is pushed down.
As shown in figure 13, housing 6 is provided with a dismountable bonnet 9, is provided with train of reduction gears S in bonnet 9.This train of reduction gears S comprises an one-level deceleration driving gear S10, a primary speed-down driven gear S11, a double reduction driving gear S12 and a double reduction driven gear S13, and described primary speed-down driving gear S10 is connected with described output shaft 41.Owing to using horizontal type structure, take up room little, the miniaturization of favourable electric automobile.
Horizontal two gear power assembly of electric automobile of the present utility model realize freely changing of two forward gears by electronically controlled hydraulic system, on the premise of without cutting off power, meet electric automobile demand under different pavement behavior.Together with permagnetic synchronous motor is effectively combined by this utility model with two-gear automatic speed changing case, there is the advantages such as volume is little, simple in construction, production cost are low, transmission efficiency is high, continual mileage increase, longer cell life.
It is not limited to this, any change expected without creative work or replacement, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims are limited.
Claims (2)
1. horizontal two gear power assembly of electric automobile, comprise a housing (6), it is provided with a power shaft group (1), a gear ring (2), a sun gear (3), an output shaft group (4) in described housing (6), keeps off brake (5) and an electric hydraulic controller (8) one by one, described housing (6) is provided with a dismountable bonnet (9), is provided with a train of reduction gears (S) in described bonnet (9)；nullDescribed power shaft group (1) comprises a power shaft (11) and one or two gears clutch hub (12)，Two described gears clutch hub (12) are welded to connect with described power shaft (11)，Described power shaft (11) is connected with a motor (7)，The head of described power shaft (11) is provided with an input spline (111)，Its afterbody is provided with a sun gear and connects spline (112)，The bottom of two described gears clutch hub (12) is provided with one or two gears clutch plunger (13) and one or two gears clutch retraction springs (131)，The two gear steel disc arrays being made up of two gears steel disc (14) it are provided with in two described gears clutch hub (12)，It is respectively equipped with one or two gears frictional disk (15) between adjacent two described gears steel disc (14)，The inwall circumference of two described gears frictional disk (15) is provided with the two fixing tooth arrays of gear being made up of the two fixing teeth (151) of gear；Described gear ring (2) comprises two gears braked wheel (21) of an annular and gear braked wheel (22) of an annular, the outer wall of two described gears braked wheel (21) is provided with the two gear brake tooth arrays being made up of two gears brake tooth (211), the outer wall of described gear braked wheel (22) is provided with a gear brake tooth array being made up of gear brake tooth (221), and the inwall of described gear braked wheel (22) is provided with a gear driving cog array being made up of gear driving cog (222)；The outer wall of described sun gear (3) is provided with one and is inputted, by sun gear, the sun gear input tooth array that tooth (31) forms, and its inwall is provided with one and is fixed, by sun gear, the sun gear that tooth (32) forms and fix tooth array；Described output shaft group (4) comprises an output shaft (41) and a discoid lock banking stop (42), the top of described lock banking stop (42) is provided with a planetary gear mounting bracket (43), and described planetary gear mounting bracket (43) is provided with a planetary gear array being made up of planetary gear (44)；Described gear brake (5) comprises and keeps off brake piston (51) one by one, the bottom of described gear brake piston (51) is provided with and keeps off brake check spring (52) and a gear steel disc array being made up of gear steel disc (53) one by one, being respectively equipped with between adjacent described gear steel disc (53) and keep off frictional disk (54) one by one, the inwall circumference of described gear frictional disk (54) is provided with a fixing tooth array of gear being made up of a fixing tooth (541) of gear；The two fixing teeth (151) of gear of two described gears frictional disk (15) match with described two gears brake tooth (211), and a fixing tooth (541) of gear of described gear frictional disk (54) matches with described one gear brake tooth (221)；Sun gear input tooth (31) of described sun gear (3) and being meshed of described planetary gear (44), the sun gear of described sun gear (3) is fixed tooth (32) and is connected spline (112) with the sun gear of described power shaft (11) and is meshed, and gear driving cog (222) of described gear ring (2) is meshed with described planetary gear (44)；Described train of reduction gears (S) comprises an one-level deceleration driving gear (S10), a primary speed-down driven gear (S11), a double reduction driving gear (S12) and a double reduction driven gear (S13), and described primary speed-down driving gear (S10) is connected with described output shaft (41).
Horizontal two gear power assembly of electric automobile the most according to claim 1, it is characterised in that described motor is permagnetic synchronous motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620321490.XU CN205601603U (en) | 2016-04-15 | 2016-04-15 | Horizontal two keep off electric automobile power assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620321490.XU CN205601603U (en) | 2016-04-15 | 2016-04-15 | Horizontal two keep off electric automobile power assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205601603U true CN205601603U (en) | 2016-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620321490.XU Expired - Fee Related CN205601603U (en) | 2016-04-15 | 2016-04-15 | Horizontal two keep off electric automobile power assembly |
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| CN (1) | CN205601603U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691196A (en) * | 2016-04-15 | 2016-06-22 | 江苏欧瑞格传动部件有限公司 | Transversely-arranged two-gear electric car power assembly |
-
2016
- 2016-04-15 CN CN201620321490.XU patent/CN205601603U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691196A (en) * | 2016-04-15 | 2016-06-22 | 江苏欧瑞格传动部件有限公司 | Transversely-arranged two-gear electric car power assembly |
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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 |
Granted publication date: 20160928 Termination date: 20200415 |
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| CF01 | Termination of patent right due to non-payment of annual fee |