CN207583945U - A kind of novel new-energy automobile driving vehicle bridge retarder - Google Patents

Abstract

The utility model is related to a kind of novel new-energy automobiles to drive vehicle bridge retarder, including：There are input shaft feather key, input shaft gear, primary speed-down axis and primary speed-down gear in forepart deceleration body, middle part deceleration body and rear portion deceleration body, the inside of the forepart deceleration body；There is variable speed drives axis in the inside of middle part deceleration body；Multi-functional final gear is provided in the retarder body of rear portion；The input shaft gear coordinates with the primary speed-down gear on primary speed-down axis, high speed driving gear on the primary speed-down axis coordinates with the high speed driven gear on variable speed drives axis, and the low-speed active gear on the primary speed-down axis coordinates with the low speed driven gear on variable speed drives axis.The utility model be it is a kind of it is easy to operate, design is unique, function is more, it is with high content of technology, using extensive, rational in infrastructure, energy saving, the abrupt slope driving safety again under special road section the upgraded product in field.

Description

A kind of novel new-energy automobile driving vehicle bridge retarder

Technical field

The utility model is related to a kind of new-energy automobiles to drive vehicle bridge retarder, specially a kind of novel to slide at a distance Driving vehicle bridge retarder that is energy saving, and can driving safely.

Background technology

New-energy automobile develops last decade, and in the prior art, motorbus, medium and small minibus, multiplies bus All it is the traditional product with the mating same structure type of fuel vehicle before 50 years with the mating driving vehicle bridge retarder of vehicle, It is on new-energy automobile, such as：Lead to car in Henan Province's Yitong Passenger Train Co, Shandong Province, two producers regulation, which mustn't power off, to slide, During if you need to trailer, speed per hour mustn't be more than 10 kilometers, if it is necessary to during more than 10 kilometers, should remove transmission shaft.After power cut, Its slowing-down structure is converted to subsidy brake function again, in addition the existing characteristic of magneto, allows vehicle to slide at a distance Performance disappeared quickly.It is developing the economy and is focusing on energy-efficient today, it is accordingly required in particular to it is a kind of easy to operate, in the various roads in town and country On the road, empty wagons, loaded vehicle can slide at a distance, abrupt slope and realize that the novel driving vehicle bridge of safety traffic is slowed down during long slope again under vehicle Carry out device service society.How to design it is a kind of it is easy to operate, design is unique, function is more, it is with high content of technology, using field extensively, Rational in infrastructure, energy saving, safety traffic, the innovative driving vehicle bridge retarder of the one kind to upgrade are should to focus on solving now A problem certainly.

Invention content

To play the usage economy of new-energy automobile, the utility model provides a kind of novel new-energy automobile driving vehicle Bridge retarder is to reach easy to operate, design is unique, function is more, it is with high content of technology, using field is extensive, rational in infrastructure, section The about energy, abrupt slope and the upgraded product of driving safety under special road section.

The utility model is adopted the technical scheme that solve above-mentioned technical problem：A kind of novel new-energy automobile driving Vehicle bridge retarder, including：Forepart deceleration body, middle part deceleration body and rear portion deceleration body, the forepart deceleration body There are input shaft feather key, input shaft gear, primary speed-down axis and primary speed-down gear in inside, and height is provided on the primary speed-down axis Fast driving gear and low-speed active gear, the left end of primary speed-down axis have multifunction dynamic output shaft；Middle part deceleration body it is interior There is variable speed drives axis in portion, is disposed with normal toothed gear, high speed driven gear, height on the variable speed drives axis from right to left The synchronous gear clutch of speed, variable speed drives key, low speed driven gear, the low speed driven gear make with the cooperation of high and low speed speed bar fork With；It is provided with multi-functional final gear in the retarder body of rear portion, the side's of having water chestnut key half on the left of the multi-functional final gear There are five assembly needle bearings, the multi-functional master in slot advance automatic clutch, the centre of the multi-functional final gear There is multifunctional safe to advance synchronous reverse clutch on the right side of reduction gearing, the center of multi-functional final gear has the rotation type poor Fast body；The input shaft gear coordinates with the primary speed-down gear on primary speed-down axis, the high speed on the primary speed-down axis Driving gear coordinates with the high speed driven gear on variable speed drives axis, low-speed active gear and speed change on the primary speed-down axis Low speed driven gear in drive shaft coordinates, and the variable speed drives key on the variable speed drives axis is matched with high low speed synchronous gear clutch It closes, the low speed driven gear and high and low speed speed bar fork in the high low speed synchronous gear clutch and left side coordinate, the high low speed Synchronous gear clutch and the high speed driven gear and high and low speed speed bar fork on right side coordinate, and the multi-functional final gear is with becoming Normal toothed gear cooperation in fast drive shaft, the half slot advance automatic clutch of left side side's water chestnut key of the multi-functional final gear Interior half slot coordinates with outer half slot of square half slot advance automatic clutch of water chestnut key, and five assembly needle bearings are subtracted by multi-functional master Fast gear, rotation type differential cage, five assembly needle bearings and rotation type or so differential cage fastening bolt, which are matched, to be combined into, It is provided on the right side of the multi-functional final gear and is advanced together by multi-functional final gear clutch external tooth and multifunctional safe Step reverse clutch internal tooth matches the synchronous reverse clutch of multifunctional safe advance being combined into, the right differential cage featherway of rotation type Bar fork cooperation of reversing gear is synchronized with feather key in the synchronous reverse clutch of multifunctional safe advance and multifunctional safe advance, it is described more The rotation type differential cage at function final gear center is by the left differential cage of rotation type, the right differential cage of rotation type, rotation type Left and right differential cage fastening bolt, rotation type differential cage bearing and five assembly needle bearings, which are matched, to be combined into.

The multifunction dynamic output shaft is by the primary speed-down gear on primary speed-down axis and input shaft gear and institute The purposes component needed, which is matched, to be combined into.

The high low speed synchronous gear clutch is and the variable speed drives key on variable speed drives axis and high low speed synchronous gear clutch Often it is ratcheting be integrated, and respectively with high speed driven gear clutch external tooth, low speed driven gear clutch external tooth and high and low speed speed bar Fork coordinates.

The multi-functional final gear is by the half slot advance automatic clutch of square water chestnut key in left side, five combinations of centre Body needle bearing and the combination of the multi-functional final gear clutch external tooth on right side are made into.

The half slot advance automatic clutch of square water chestnut key is by half slot, Fang Ling in square half slot advance automatic clutch of water chestnut key Key, square water chestnut key spring, square water chestnut key are advanced half outside slideway, five assembly needle bearings and square half slot advance automatic clutch of water chestnut key Slot, which is matched, to be combined into.

Five assembly needle bearings are combined by multi-functional final gear differential cage left with self-action, five The right differential cage of body needle bearing, rotation type and rotation type or so differential cage fastening bolt, which are matched, to be combined into.

The multifunctional safe advance synchronous reverse clutch by multi-functional final gear clutch external tooth with it is multi-functional Safety advance synchronous reverse clutch internal tooth, the right differential cage featherway of rotation type and multifunctional safe advance synchronize reverse gear clutch Feather key coordinates in device.

High speed driven gear clutch external tooth on the high speed driven gear and the height in high low speed synchronous gear clutch The small internal tooth of the synchronous gear clutch of speed is ratcheting.

Variable speed drives key on the variable speed drives axis and the high low speed synchronous gear clutch in high low speed synchronous gear clutch Wide keyway cooperation.

Compared with prior art, the beneficial effects of the utility model are：

(1) left side of the utility model forepart deceleration body is equipped with multifunction dynamic output shaft, it can drive compressor, Realize the gas brake function of pure electric automobile, it is safer.If driving electrical power generators that can reduce the power supply of battery pack, make new energy The lasting mileage travelled of automobile is farther.

(2) high low speed synchronous gear clutch is internally provided on the left of deceleration body in the middle part of the utility model, due to his design Uniqueness, the cooperation of wide internal tooth, wide keyway and narrow external tooth, the cooperation of small internal tooth and small external tooth realize that high low speed synchronous gear closes, it can It horizontally slips on axis and the transverse shifting on axis, realizes that high low speed synchronous gear closes, it is ratcheting without hot line job, reduce by two gears The ratcheting phenomenon of collision mutually.

(3) deceleration body in the utility model rear portion is equipped with multi-functional final gear, because it is and rotation type differential mechanism Body split, after power cut, multi-functional final gear stalling, under the cooperation of five assembly needle bearings, rotation Formula differential cage independently rotates, and makes vehicle unpowered, has inertia force, non-resistance, slides forward, thoroughly overcomes original deceleration Structure, and the shortcomings that subsidizing brake function is converted to, the energy is saved, and reduce the cogged idle abrasion of institute, reduced Maintenance cost, extends service life, realizes the upgrading of product.

(4) left side of the utility model rear portion deceleration body is equipped with square half slot advance automatic clutch of water chestnut key, new energy vapour What vehicle was equipped with is all magneto, and fuel vehicle is different from occupation mode, it does not have idling device, only power supply and zero power supply Point, after powering off in vehicle traveling, since the height of front and rear rotating speed changes, square half slot advance automatic clutch of water chestnut key, which plays, to be made With having cut off the resistance that the design structure of magneto and retarder is brought, made vehicle overlength distance under the action of inertia force It slides.Under flat road conditions, the half slot advance automatic clutch of user water chestnut key being continuously interrupted can save energy 20%-30%, fast Quick-break electricity and the method powered at a slow speed can avoid heavy-current discharge to electricity in use, when making both front and rear rotating speed essentially identical The loss for the short life that pond is brought.

(5) be equipped with five assembly needle bearings among the utility model rear portion deceleration body, its design form be by Five combination of monomers together, are to maintain combining for multi-functional final gear and rotation type differential cage, but relatively independent, Realized under its mutual cooperation energy saving, this has had pioneering in world car industry history.

(6) right side of the utility model rear portion deceleration body is equipped with the synchronous reverse clutch of multifunctional safe advance, new energy Source automobile should be adapted in each area in the whole nation and various road conditions, such as at the long slope in lower abrupt slope, use is multi-functional as fuel vehicle Safety is advanced synchronous reverse clutch, coordinates the reluctance force of magneto and subsidy that the slow-speed of revolution and deceleration mechanism are converted into again is stopped Vehicle function, regulation speed, preventing driving, half slot advance automatic clutch of water chestnut key has lost function at this time and multifunctional safe advances Synchronous reverse clutch rotates in same direction, and when needing reversing, changing the rotation direction of motor can move backward.

(7) center of the utility model rear portion deceleration body is equipped with rotation type differential cage, it is a multiple monomer group The separate component of conjunction, its semiaxis with vehicle coordinates, after the vehicle power-off in vehicle traveling, multi-functional final gear stalling, and Fang Ling Half slot advance automatic clutch automatic clutch of key, five assembly needle bearings function beginning rotation, make just under steam Vehicle slided forward with the inertia force still having, running resistance of the prior art is thoroughly excluded.

Description of the drawings

Fig. 1 is the utility model new-energy automobile driving vehicle bridge retarder schematic cross-sectional view；

Fig. 2 is the high low speed synchronous gear clutch of the utility model and high speed driven gear, low speed driven gear, variable speed drives Axis, normal toothed gear mated condition schematic diagram；

Fig. 3 is that the wide internal tooth of the high low speed synchronous gear clutch of the utility model and wide keyway are illustrated with variable speed drives key mated condition Figure；

Fig. 4 is the utility model high speed driven gear head-up schematic diagram；

Fig. 5 is the multi-functional final gear schematic cross-sectional view of the utility model；

Fig. 6 is the multi-functional final gear of the utility model and square half slot advance automatic clutch of water chestnut key and the left difference of rotation type Fast body mated condition schematic diagram；

Fig. 7 is the synchronous reverse clutch of the utility model multifunctional safe advance and the right differential cage mated condition of rotation type Schematic diagram；

Fig. 8 is that the multi-functional final gear of the utility model and the synchronous reverse clutch of right side multifunctional safe advance are ratcheting Status diagram；

Fig. 9 is the synchronous reverse clutch schematic cross-sectional view of the utility model multifunctional safe advance；

Figure 10 is the synchronous reverse clutch head-up schematic diagram of the utility model multifunctional safe advance；

Figure 11 is the utility model side's water chestnut key half slot outer with square half slot advance automatic clutch of water chestnut key, the half slot advance of square water chestnut key Half slot and square water chestnut key spring mated condition head-up schematic diagram in automatic clutch；

Figure 12 is the utility model high and low speed speed bar fork schematic diagram；

Figure 13 is that the advance of the utility model multifunctional safe synchronizes the bar fork schematic diagram that reverses gear.

It is marked in figure：1st, input shaft feather key, 2, bearing of input shaft, 3, input shaft gear, 4, primary speed-down axis, 5, level-one subtracts Fast axle bearing, 6, primary speed-down gear, 7, high speed driving gear, 8, low-speed active gear, 9, multifunction dynamic output shaft, 10, Variable speed drives axis, 11, variable speed drives axle bearing, 12, normal toothed gear, 13, high speed driven gear, 14, high low speed synchronous gear closes The wide internal tooth of device, 15, high and low speed speed bar fork, 16, high speed driven gear clutch external tooth, 17, low speed driven gear, 18, low speed Driven gear clutch external tooth, 19, variable speed drives key, 20, multifunctional safe advance synchronize the bar fork that reverses gear, 21, multifunctional safe Advance synchronous reverse clutch, and 22, feather key in multifunctional safe advance timing clutch, 23, the right differential cage feather key of rotation type Slot, 24, five assembly needle bearings, 25, multi-functional final gear, 26, multi-functional final gear clutch external tooth, 27, Multifunctional safe advances synchronous reverse clutch internal tooth, 28, the right differential cage of rotation type, 29, the left and right differential cage of rotation type it is tight Fixing bolt, 30, rotation type differential cage bearing, 31, twin shaft pressure cap, 32, duplex bearing gland bolt, 33, the left differential of rotation type Body, 34, on the left of novel new-energy automobile driving vehicle bridge retarder, 35, on the right side of novel new-energy automobile driving vehicle bridge retarder, 36th, square outer half slot of half slot advance automatic clutch of water chestnut key, 37, half slot in square half slot advance automatic clutch of water chestnut key, 38, Fang Ling Key, 39, square zero key spring, 40, square water chestnut key disengaging slideway, 41, square half slot advance automatic clutch of water chestnut key, 42, multifunctional safe Advance synchronous reverse clutch, and 43, high low speed synchronous gear clutch, 44, axle bearing, 45, the high small internal tooth of low speed synchronous gear clutch, 46th, the high wide keyway of low speed synchronous gear clutch, 47, high and low speed speed bar spring, 48, multifunctional safe advance synchronize the bar bullet that reverses gear Spring, 49, required purposes component, 50, forepart deceleration body, 51, middle part deceleration body, 52, rear portion deceleration body, 53, rotation Formula differential cage.

Specific embodiment

Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings：

As shown in the figure, a kind of novel new-energy automobile driving vehicle bridge retarder, including：Forepart deceleration body 50, middle part subtract Fast body 51 and rear portion deceleration body 52, the inside of the forepart deceleration body 50 have input shaft feather key 1, input shaft gear 3, Primary speed-down axis 4 and primary speed-down gear 6 are provided with high speed driving gear 7 and low-speed active gear on the primary speed-down axis 4 8, the left end of primary speed-down axis 4 has multifunction dynamic output shaft 9；There are variable speed drives axis 10, institute in the inside of middle part deceleration body 51 It states and is disposed with normal toothed gear 12, high speed driven gear 13, the conjunction of high low speed synchronous gear on variable speed drives axis 10 from right to left Device 43, variable speed drives key 19, low speed driven gear 17, the low speed driven gear 17 coordinate with high and low speed speed bar fork 15 It uses；Multi-functional final gear 25 is provided in rear portion deceleration body 52, the left side of the multi-functional final gear 25 has Square half slot advance automatic clutch 41 of water chestnut key, there are five assembly needle bearings in the centre of the multi-functional final gear 25 24, there are the synchronous reverse clutch 21 of multifunctional safe advance, multi-functional main deceleration in the right side of the multi-functional final gear 25 There are rotation type differential cage 53, the input shaft gear 3 and the primary speed-down gear 6 on primary speed-down axis 4 in the center of gear 25 Coordinate, the high speed driving gear 7 on the primary speed-down axis 4 coordinates with the high speed driven gear 13 on variable speed drives axis 10, institute The low-speed active gear 8 stated on primary speed-down axis 4 coordinates with the low speed driven gear 17 on variable speed drives axis 10, and the speed change is driven Variable speed drives key 19 on moving axis 10 coordinates with high low speed synchronous gear clutch 43, the high low speed synchronous gear clutch 43 and left side Low speed driven gear 17 and high and low speed speed bar fork 15 coordinate, and the high low speed synchronous gear clutch 43 is passive with the high speed on right side Gear 13 and high and low speed speed bar fork 15 coordinate, the multi-functional final gear 25 and the normal tooth on variable speed drives axis 10 It closes gear 12 to coordinate, half slot 37 and side in the half slot advance automatic clutch of left side side's water chestnut key of the multi-functional final gear 25 Outer half slot 36 of half slot advance automatic clutch of water chestnut key coordinates, and five assembly needle bearings 24 are by multi-functional final gear 25th, 53, five assembly needle bearings 24 of rotation type differential cage and rotation type or so differential cage fastening bolt 29 are matched and are combined Into the right side of the multi-functional final gear 25 is provided with by multi-functional final gear clutch external tooth 26 and multifunctional safe The synchronous reverse clutch internal tooth 27 that advances advances with the multifunctional safe being combined into synchronizes reverse clutch 21, the right difference of rotation type Fast body featherway 23 is synchronized and is reversed gear with feather key 22 in the synchronous reverse clutch of multifunctional safe advance and multifunctional safe advance Bar fork 20 coordinates, and the rotation type differential cage 53 at multi-functional 25 center of final gear is by the left differential cage of rotation type 33rd, the right differential cage 28 of rotation type, rotation type or so differential cage fastening bolt 29, rotation type differential cage bearing 30 and five Assembly needle bearing 24, which is matched, to be combined into.

It is the basic embodiment of the utility model above, further can be improved, improved and limited on the basis of above It is fixed：The multifunction dynamic output shaft 9 is by the primary speed-down gear 6 on primary speed-down axis 4 and input shaft gear 3 and required Purposes component 49 with being combined into.

It is the basic embodiment of the utility model above, further can be improved, improved and limited on the basis of above It is fixed：The high low speed synchronous gear clutch 43 is and the variable speed drives key 19 on variable speed drives axis 10 and high low speed synchronous gear close Device 43 often it is ratcheting is integrated, and respectively with high speed driven gear clutch external tooth 16, low speed driven gear clutch external tooth 18 and height Fast gear lever fork 15 coordinates.

It is the basic embodiment of the utility model above, further can be improved, improved and limited on the basis of above It is fixed：The multi-functional final gear 25 is by the half slot advance automatic clutch 41 of square water chestnut key in left side, five combinations of centre Body needle bearing 24 and the combination of the multi-functional final gear clutch external tooth 26 on right side are made into.

It is the basic embodiment of the utility model above, further can be improved, improved and limited on the basis of above It is fixed：The half slot advance automatic clutch 41 of square water chestnut key is by half slot 37, square water chestnut key in square half slot advance automatic clutch of water chestnut key 38th, square water chestnut key spring 39, square water chestnut key advance 40, five assembly needle bearings 24 of slideway and square half slot advance automatic clutch of water chestnut key Outer half slot 36 of device, which is matched, to be combined into.

It is the basic embodiment of the utility model above, further can be improved, improved and limited on the basis of above It is fixed：Five assembly needle bearings 24 are by multi-functional final gear 25 and self-action 33, five groups of left differential cage The right differential cage 28 of fit needle bearing 24, rotation type and rotation type or so differential cage fastening bolt 29, which are matched, to be combined into.

It is the basic embodiment of the utility model above, further can be improved, improved and limited on the basis of above It is fixed：The multifunctional safe advances synchronous reverse clutch 21 by multi-functional final gear clutch external tooth 26 and multi-functional peace The complete synchronous reverse clutch internal tooth 27 that advances, the right differential cage featherway 23 of rotation type and multifunctional safe advance synchronize reverse gear Feather key 22 coordinates in clutch.

It is the basic embodiment of the utility model above, further can be improved, improved and limited on the basis of above It is fixed：High speed driven gear clutch external tooth 16 on the high speed driven gear 13 and the height in high low speed synchronous gear clutch 43 The small internal tooth 45 of the synchronous gear clutch of speed is ratcheting.

It is the basic embodiment of the utility model above, further can be improved, improved and limited on the basis of above It is fixed：Variable speed drives key 19 on the variable speed drives axis 10 and the high low speed synchronous gear clutch in high low speed synchronous gear clutch 43 Wide keyway 46 coordinates.

The half slot advance automatic clutch of square water chestnut key that the left side of multi-functional final gear is equipped with is in the different kinds of roads of town and country It can cut off the power when empty wagons or loaded vehicle when speed is higher, multi-functional final gear stalling, five assembly needle roller axis It holds and starts to rotate, rotation type differential cage is still slided forward with two-semiaxle wheel with higher speed.It should be fast in vehicle use It is that quick-break electricity and the method powered at a slow speed can be interrupted, continuously use the function.

The multifunctional safe that the right side of multi-functional final gear is equipped with, which advances, synchronizes reverse clutch abrupt slope under loaded vehicle When using the multifunctional safe synchronous reverse clutch that advances can prevent driving hypervelocity square half slot advance automatic clutch of water chestnut key at this time Lost function, when need reversing when change motor rotation direction reversing can be realized.

The utility model preferred embodiment and embodiment are explained in detail above in conjunction with attached drawing, but this Utility model is not limited to the above-described embodiment and examples, in the knowledge having in those skilled in the art, may be used also With various changes can be made without departing from the concept of the premise utility.

Claims (9)

1. a kind of novel new-energy automobile driving vehicle bridge retarder, including：Forepart deceleration body (50), middle part deceleration body (51) And rear portion deceleration body (52), it is characterised in that：There is input shaft feather key (1), defeated in the inside of the forepart deceleration body (50) Enter shaft gear (3), primary speed-down axis (4) and primary speed-down gear (6), be provided on the primary speed-down axis (4) at a high speed actively Gear (7) and low-speed active gear (8), the left end of primary speed-down axis (4) have multifunction dynamic output shaft (9)；Middle part retarder There is variable speed drives axis (10) in the inside of body (51), and normal toothed gear is disposed with from right to left on the variable speed drives axis (10) (12), high speed driven gear (13), high low speed synchronous gear clutch (43), variable speed drives key (19), low speed driven gear (17), institute Low speed driven gear (17) is stated to be used cooperatively with high and low speed speed bar fork (15)；More work(are provided in rear portion deceleration body (52) Can final gear (25), water chestnut key half slot advance automatic clutch in the side's of having on the left of the multi-functional final gear (25) (41), there are five assembly needle bearings (24), the multi-functional main deceleration in the centre of the multi-functional final gear (25) There is multifunctional safe to advance on the right side of gear (25) and synchronize reverse clutch (21), the center of multi-functional final gear (25) has Rotation type differential cage (53), the input shaft gear (3) coordinate with the primary speed-down gear (6) on primary speed-down axis (4), institute The high speed driving gear (7) stated on primary speed-down axis (4) coordinates with the high speed driven gear (13) on variable speed drives axis (10), institute The low-speed active gear (8) stated on primary speed-down axis (4) coordinates with the low speed driven gear (17) on variable speed drives axis (10), institute The variable speed drives key (19) stated on variable speed drives axis (10) coordinates with high low speed synchronous gear clutch (43), the high low speed synchronous gear Clutch (43) and the low speed driven gear (17) and high and low speed speed bar fork (15) in left side coordinate, and the high low speed synchronous gear closes Device (43) and the high speed driven gear (13) and high and low speed speed bar fork (15) on right side coordinate, the multi-functional main reducing gear It takes turns (25) with the normal toothed gear (12) on variable speed drives axis (10) to coordinate, the left side side of the multi-functional final gear (25) Half slot (37) coordinates with outer half slot (36) of square half slot advance automatic clutch of water chestnut key in half slot advance automatic clutch of water chestnut key, described Five assembly needle bearings (24) are by multi-functional final gear (25), rotation type differential cage (53), five assembly rollings Needle bearing (24) and rotation type or so differential cage fastening bolt (29) with being combined into, the multi-functional final gear (25) Right side is provided with by multi-functional final gear clutch external tooth (26) reverse clutch internal tooth synchronous with multifunctional safe advance (27) advance synchronous reverse clutch (21) with the multifunctional safe that is combined into, the right differential cage featherway (23) of rotation type with it is more Feather key (22) and multifunctional safe advance synchronize bar fork (20) cooperation of reversing gear, institute in the synchronous reverse clutch of functional safety advance The rotation type differential cage (53) for stating multi-functional final gear (25) center is right by the left differential cage of rotation type (33), rotation type Differential cage (28), rotation type or so differential cage fastening bolt (29), rotation type differential cage bearing (30) and five combinations Body needle bearing (24) is with being combined into.

2. novel new-energy automobile driving vehicle bridge retarder according to claim 1, it is characterised in that：Described is multi-functional dynamic Power output shaft (9) is by the primary speed-down gear (6) on primary speed-down axis (4) and input shaft gear (3) and required purposes portion Part (49) is with being combined into.

3. novel new-energy automobile driving vehicle bridge retarder according to claim 1, it is characterised in that：The high low speed is same Step gear clutch (43) is often ratcheting with the variable speed drives key (19) on variable speed drives axis (10) and high low speed synchronous gear clutch (43) It is integrated, and fast with high speed driven gear clutch external tooth (16), low speed driven gear clutch external tooth (18) and high and low speed respectively Bar fork (15) coordinates.

4. novel new-energy automobile driving vehicle bridge retarder according to claim 1, it is characterised in that：The multi-functional master Reduction gearing (25) is by the half slot advance automatic clutch (41) of square water chestnut key in left side, five assembly needle bearings (24) of centre And multi-functional final gear clutch external tooth (26) combination on right side is made into.

5. novel new-energy automobile driving vehicle bridge retarder according to claim 1, it is characterised in that：The square water chestnut key half Slot advance automatic clutch (41) is by half slot (37), square water chestnut key (38), square water chestnut key bullet in square half slot advance automatic clutch of water chestnut key Spring (39), square water chestnut key are advanced outside slideway (40), five assembly needle bearings (24) and square half slot advance automatic clutch of water chestnut key Half slot (36) is with being combined into.

6. novel new-energy automobile driving vehicle bridge retarder according to claim 1, it is characterised in that：Five combinations Body needle bearing (24) is by multi-functional final gear (25) and the left differential cage of self-action (33), five assembly needle bearings (24), the right differential cage of rotation type (28) and rotation type or so differential cage fastening bolt (29) are with being combined into.

7. novel new-energy automobile driving vehicle bridge retarder according to claim 1, it is characterised in that：The multi-functional peace It is complete advance synchronous reverse clutch (21) by multi-functional final gear clutch external tooth (26) and multifunctional safe advance synchronize fall Keep off internal clutch teeth (27), the right differential cage featherway (23) of rotation type slides in the synchronous reverse clutch of multifunctional safe advance Key (22) coordinates.

8. novel new-energy automobile driving vehicle bridge retarder according to claim 1, it is characterised in that：The high speed is passive High speed driven gear clutch external tooth (16) on gear (13) is closed with the high low speed synchronous gear on high low speed synchronous gear clutch (43) The small internal tooth of device (45) is ratcheting.

9. novel new-energy automobile driving vehicle bridge retarder according to claim 1, it is characterised in that：The variable speed drives Variable speed drives key (19) on axis (10) and the high wide keyway of low speed synchronous gear clutch (46) on high low speed synchronous gear clutch (43) Cooperation.