CN205278337U

CN205278337U - Automatic transmission

Info

Publication number: CN205278337U
Application number: CN201620017202.1U
Authority: CN
Inventors: 向永川
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-01-05
Filing date: 2016-01-05
Publication date: 2016-06-01
Anticipated expiration: 2026-01-05

Abstract

The utility model discloses an automatic transmission, including controlling device, conical surface clutch, tooth -like ratchet, characterized by: pawl formula freewheel clutch's pawl is assembled between external tooth ratchet or internal tooth ratchet and sour jujube claw rack by big spring and little spring elastic connection, and the hypotenuse of big spring is with the contact of power claw and when the transmission state, and the leverage of spring makes pawl and external tooth ratchet or the meshing of internal tooth ratchet greatly, surmounts the state and makes pawl and external tooth ratchet or the separation of internal tooth ratchet and not collision by the little spring return, terminal surface tooth papillae wheel freewheel clutch is that driven ratchet sets up the overcoat cover, and the setting of overcoat cover circular arrangement blocks and separate through steel sheet spring assembly arc piece that the driving ratchet is equipped with set seat and contacts with the arc piece, arc piece and cover seat separation having reduced frictional resistance when surmounting the state. The utility model discloses automatic transmission high transmission efficiency, be used for the electric motor car to economize on electricity.

Description

Automatic transmission

Technical field

The utility model relates to the automatic transmission becoming shelves speed change in power truck transmission, particularly relates to the drive hub of power truck and the fully-automatic conversion shelves speed change gear of drive axle differential speed motor, and it belongs to technical field of mechanical transmission.

Background technology

What the drive hub of existing power truck had realize, and electronics becomes shelves or manually becomes shelves, its cost cost height in-convenience in use; It is loaded down with trivial details that existing electric motor car driving bridge differential speed motor manually becomes shelves operation, impact driving safety, and transmission efficiency is low; Electric motor type automatic gear-shifting is expensive, unstable properties, it may also be useful to convenient not.

In prior art, Chinese invention patent application (application number: 201510198365.4) disclosed a kind of overrunning clutch, speed change gear and automatic speed-changing system, the axle journal of its driving link is combined with helical spline cover by helical spline, helical spline cover is connected with a drift stop to its applying friction resistance, drift stop comprises the C shape collar with collar handle, and this collar is clasped in the annular groove that described helical spline is arranged with by C shape clamping part. Wherein the drift stop of friction resistance consumed power all the time in transmission, reduces the mechanical efficiency of speed change gear, does not meet the demand for development of energy-saving and emission-reduction.

Chinese utility model patent application (application number: automatic transmission disclosed in 201520367985.1), it comprises shifting gear transmission system, gear shift mechanism executive system, power connection system, and gear shift mechanism executive system comprises operating device, reverse motion device, becomes shelves shifter; It is surmount reverse gear shaft coupling or conical surface buffering shaft coupling or surmount reverse gear buffering shaft coupling or conical surface circle snubber assembly that power connects system; Reverse motion device is reversing device in reversing device or integral type linkage in reversing device or integral type in linkage; Become shelves shifter be enclosed within the axle of shelves position from moving frame, assemble from the crank throw of the sliding cover of moving frame with guide rod, guide rod and mobile combination assembling, move combination and realize gear switch and speed change with rotating combination combination or be separated. When its reverse motion device becomes shelves, noise is big, transmission impact is big, is not suitable for being assemblied in high-grade electronic car.

Above two patent applications can not solve drive hub and the drive axle differential speed motor efficient electricity-saving of power truck and comfortable practical problems of driving a vehicle, and this automatic transmission is exactly to make above problem be resolved.

Practical novel content

The purpose of this utility model is: solves current automatic transmission technology and has in the application of drive hub and drive axle differential speed motor that cost height, mechanical efficiency be low and the problem such as maintenance cost height, and the utility model provides a kind of and is applied to drive hub and drive axle differential speed motor makes its vehicle become the stable performance of shelves speed change, mechanical efficiency height and become the comfortable automatic transmission of the smooth-going driving of shelves.

Above-mentioned purpose of the present utility model is achieved through the following technical solutions:

A kind of automatic transmission, comprises shifting gear transmission system, gear shift mechanism executive system; Described gear shift mechanism executive system comprises operating device, conical clutch, toothed type ratchet mechanism; Described shifting gear transmission system is twin shaft second gear transmission or epicyclic train geartransmission, described operating device is steel ball incline device or spiral tooth spring assembly, and described toothed type ratchet mechanism is internal tooth ratchet mechanism or ratchet wheel mechanism or end face tooth papillae wheel mechanism.

The ratchet of described internal tooth ratchet mechanism or ratchet wheel mechanism is connected by big spring and little spring and is assemblied in ratchet wheel or between internal tooth ratchet and ratchet holder, the rigidity of big spring is bigger than the rigidity of little spring, the hypotenuse of big spring contacts with power pawl and when drive state, power pawl slip big spring lever ratchet contacts engagement with ratchet wheel or internal tooth ratchet, state when big spring is separated with power pawl, little spring goes back to position makes ratchet be separated with ratchet wheel or internal tooth ratchet.

Described end face tooth papillae wheel mechanism is that driven ratchet or its fixing synchronous axial system part arrange overcoat cover, overcoat cover circumferential arrangement arranges and stops every entangling arc block by steel leaf-spring assembling arc block or circle hoop spring, initiatively ratchet is provided with round block set and arc block adaptation, at driven ratchet rotating speed low or stop rotate time state, arc block contacts with circle block set, in the state that driven ratchet rotating speed is high, arc block is separated with circle block set.

Described internal tooth ratchet mechanism is unidirectional internal tooth ratchet overrunning clutch or two-way internal tooth ratchet overrunning clutch;

Described ratchet wheel mechanism is unidirectional ratchet wheel overrunning clutch or two-way ratchet wheel overrunning clutch;

Described end face tooth papillae wheel mechanism is unidirectional end face tooth papillae wheel overrunning clutch or Bidirectional end face tooth papillae wheel overrunning clutch.

Described unidirectional internal tooth ratchet overrunning clutch, the internal round chamber assembling ratchet holder of internal tooth ratchet, ratchet holder connects assembling ratchet to identical sense of rotation circumferential arrangement by big spring and little spring with right clamping plate by left clamping plate, engagement is contacted with internal tooth ratchet at drive state power pawl slip big spring lever ratchet, one end of big spring contacts with the one side of ratchet, the other end of big spring contacts with power pawl or contacts with pawl base, big spring around snare on the little axle of ratchet side, state when big spring is separated with power pawl, little spring goes back to position makes ratchet be separated with internal tooth ratchet, one end of little spring contacts with the another side of ratchet, the other end of little spring contacts with ratchet holder, little spring around snare on the little axle of another side of ratchet, the concave surface of pawl dish is fallen in the elasticity heading surmounting the assembling of state ratchet holder, the shaft hole sleeve of pawl dish is at block set cylindrical, internal tooth ratchet is fixed on the cylindrical of block set one end base disk, block set is provided with internal spline and the assembling of driven shaft male spline, assembling ratchet holder that block set is provided with outer lug boss rank and outer jump-ring slot is slidably matched, internal tooth ratchet one end arranges overcoat cover, overcoat is covered with and stops every assembling at least two arc blocks with annulus back-up ring or interior jump ring, every two stop every between assembling an arc block, arc block and overcoat cover inner headed face are by steel leaf-spring resilient engagement, ratchet holder is provided with round block set and arc block adaptation, power pawl is located at one end of pawl dish, pawl dish is follower gear or sprocket wheel or is connected with follower gear elasticity.

Described two-way internal tooth ratchet overrunning clutch is superposing type two-way internal tooth ratchet overrunning clutch or the two-way internal tooth ratchet overrunning clutch of arranged type.

Described superposing type two-way internal tooth ratchet overrunning clutch is by two rotation overrunning direction superposition assemblings by two unidirectional internal tooth ratchet overrunning clutches, arrange between positive rotation ratchet holder and despining ratchet holder that middle splint is axially superimposed to be assembled together, positive rotation ratchet holder rotates forward ratchet by left clamping plate and middle splint assembling, despining ratchet holder is by right clamping plate and middle splint assembling reversion ratchet, circumferential arrangement rotates forward ratchet and arranges assembling with the reversion alternate center of ratchet, power pawl circle distribution is axially inserted in and rotates forward between pawl base and reversion pawl base, it is adaptive with the concave surface of pawl dish that positive rotation ratchet holder or despining ratchet holder are equipped with elasticity heading.

The two-way internal tooth ratchet overrunning clutch of described arranged type, internal tooth ratchet inner circle circumferential arrangement is provided with the two-way engagement tooth of isosceles trapezoid or isosceles triangle, internal tooth ratchet internal round chamber assembles a ratchet holder, ratchet holder is provided with at least two and rotates forward pawl base and at least two reversion pawl bases, rotate forward pawl base and reversion pawl base alternate circumferential arrangement, each rotates forward pawl base and rotates forward ratchet by big spring and the assembling of little spring, each reversion pawl base is by big spring and little spring assembling reversion ratchet, power pawl is inserted in and rotates forward between pawl base and reversion pawl base, ratchet holder rotates forward ratchet and reversion ratchet by left clamping plate and the assembling of right clamping plate, power pawl is located at one end of pawl dish, the elasticity heading that pawl dish is provided with concave surface and ratchet holder assembling is adaptive, internal tooth ratchet is fixed on the cylindrical of the base disk of block set one end, block set is provided with internal spline and the assembling of driven shaft male spline, block set is provided with outer lug boss rank and outer jump-ring slot is slidably matched assembling pawl dish, internal tooth ratchet one end is provided with overcoat cover, overcoat is covered with and stops every assembling arc block with annulus back-up ring or interior jump ring by steel leaf-spring or circle hoop spring, ratchet holder one end is provided with round block set and arc block adaptation.

Described unidirectional ratchet wheel overrunning clutch, the cylindrical assembling ratchet holder of ratchet wheel, ratchet holder is by left clamping plate and right clamping plate assembling ratchet, ratchet is assemblied in ratchet holder internal round chamber to an identical sense of rotation circumferential arrangement by big spring and the connection of little spring, one end of big spring contacts with the one side of ratchet, the other end of big spring contacts with power pawl or contacts with pawl base, big spring around snare on the little axle of ratchet side, one end of little spring contacts with the another side of ratchet, the other end of little spring with ratchet holder contact, little spring around snare on the little axle of another side of ratchet, the elasticity heading that pawl dish is provided with concave surface and ratchet holder assembling is adaptive, the shaft hole sleeve of pawl dish is at the cylindrical of ratchet wheel one end block set, block set is provided with internal spline and the assembling of driven shaft male spline, block set is provided with outer lug boss rank and outer jump-ring slot is slidably matched assembling pawl dish, ratchet wheel the other end periphery assembling overcoat cover, overcoat is covered with and stops every assembling arc block with annulus back-up ring by steel leaf-spring, ratchet wheel frame is provided with round block set and arc block adaptation.

Described two-way ratchet wheel overrunning clutch is superposing type two-way ratchet wheel overrunning clutch or the two-way ratchet wheel overrunning clutch of arranged type.

Described superposing type two-way ratchet wheel overrunning clutch is that by two, two unidirectional ratchet wheel overrunning clutches are surmounted sense of rotation superposition assembling, arrange between positive rotation ratchet holder and despining ratchet holder that middle splint is axially superimposed to be assembled together, positive rotation ratchet holder rotates forward ratchet by left clamping plate and middle splint assembling, despining ratchet holder is by right clamping plate and middle splint assembling reversion ratchet, circumferential direction rotates forward ratchet center alternate with reversion ratchet assembling, power pawl circle distribution is axially inserted in and rotates forward between pawl base and reversion pawl base, it is adaptive with the concave surface of pawl dish that positive rotation ratchet holder or despining ratchet holder are equipped with elasticity heading.

The two-way ratchet wheel overrunning clutch of described arranged type, ratchet wheel cylindrical circumferential arrangement is provided with the engagement tooth of isosceles trapezoid or isosceles triangle, ratchet wheel is assemblied in the internal round chamber of a ratchet holder, ratchet holder is provided with at least two and rotates forward pawl base and at least two reversion pawl bases, rotate forward pawl base and reversion pawl base alternate circumferential arrangement, each rotates forward pawl base and rotates forward ratchet by big spring and the assembling of little spring, each reversion pawl base is by big spring and little spring assembling reversion ratchet, power pawl is inserted in and rotates forward between pawl base and reversion pawl base, rotated forward ratchet and reversion ratchet by left clamping plate and the assembling of right clamping plate between ratchet wheel and ratchet holder, power pawl is located at one end of pawl dish, pawl dish can be follower gear.

Described unidirectional end face tooth papillae wheel overrunning clutch, driven ratchet is arranged on follower gear end face or fixes with driven shaft, driven ratchet or its synchronous axial system part arrange overcoat cover, overcoat cover internal round chamber circumferential arrangement arranges and stops every assembling arc block by steel leaf-spring, every two stop every between assembling an arc block, initiatively ratchet is provided with round block set and arc block adaptation, initiatively ratchet cylindrical is coordinated by spiral tooth with the inner headed face of outer ring gear, the male spline assembling that driven ratchet is provided with block set and driven shaft is fixing, initiatively the round block set of ratchet is slidably matched on the block set cylindrical being enclosed within driven ratchet, initiatively the round block set of ratchet can with arc block Frictional Slipping.

Described Bidirectional end face tooth papillae wheel overrunning clutch, the driven ratchet of positive rotation is arranged on follower gear end face or fixes with driven shaft, adaptation is engaged with one end of active ratchet, the driven ratchet of despining is arranged on the other end of initiatively ratchet and fixes with driven shaft, the driven ratchet of positive rotation or its synchronous axial system part arrange overcoat cover, overcoat cover internal round chamber arranges and stops every by steel leaf-spring or circle hoop spring assembling arc block, initiatively ratchet is provided with round block set and arc block adaptation, initiatively the two ends of ratchet are respectively provided with unidirectional ratchet, and the direction rotating engagement is contrary, initiatively ratchet cylindrical is coordinated by spiral tooth with the inner headed face of outer ring gear, one end of outer ring gear ratchet driven with positive rotation contacts and is slidably matched, gear the other end ratchet driven with despining in outer ring contacts and is slidably matched, one end, fillet of gear face, outer ring is provided with inner shield ring and can locate with the end thereof contacts of active ratchet periphery, the other end in fillet of gear face, outer ring is also provided with inner shield ring can contact location with the other end of active ratchet periphery, initiatively ratchet cylindrical is provided with the concave surface adaptation of elasticity heading with the inner headed face of outer ring gear.

Described unidirectional end face tooth papillae wheel overrunning clutch, can also be: driven ratchet is arranged on second gear follower gear end face or fixes with driven shaft, adaptation is engaged with active ratchet, one grade of fixing outer spiral tooth block set in follower gear one end, outer spiral tooth block set is slidably matched and is enclosed within driven shaft and is assembled by pillow block rank and outer back-up ring, driven ratchet cylindrical assembling fixed jacket cover, overcoat cover is arranged and stops and be enclosed within the cylindrical of initiatively ratchet every being assembled multiple arc block or multiple arc block by steel leaf-spring by circle hoop spring, initiatively ratchet cylindrical is provided with the concave surface of the steel leaf-spring arc convex adaptation fixing with one grade of follower gear, surmount state steel leaf-spring arc convex in transmission to be pressed on the concave surface of initiatively ratchet cylindrical.

Described Bidirectional end face tooth papillae wheel overrunning clutch, can also be: right driven ratchet is arranged on second gear follower gear left side, adaptation is engaged with the right-hand member of active ratchet, left driven ratchet is arranged on the left end of initiatively ratchet and one grade of follower gear, one grade of fixing outer spiral tooth block set of follower gear right-hand member, outer spiral tooth block set is slidably matched and is enclosed within driven shaft and is assembled by pillow block rank and outer back-up ring, one grade of follower gear and outer spiral tooth block set fixed position circumferential arrangement are provided with multiple through hole, initiatively the left end of ratchet is provided with multiple ratchet hock and can be each passed through through hole ratchet driven with a left side and engage, left driven ratchet is fixed on driven shaft, right driven ratchet cylindrical assembling fixed jacket cover, overcoat cover arranges and stops every the multiple arc block of assembling, arc block is enclosed within the cylindrical of initiatively ratchet by circle hoop spring, initiatively ratchet cylindrical is provided with the concave surface of the steel leaf-spring arc convex adaptation fixing with one grade of follower gear right-hand member, surmount state steel leaf-spring arc convex in transmission to be pressed on the concave surface of initiatively ratchet cylindrical.

Described steel ball incline device, steel ball groove coordinates with steel ball pawl, steel ball rack is provided with block set, and block set is provided with inner rack and is assemblied on the axle of shelves position, and block set cylindrical is circumferentially distributed with multiple steel ball groove, steel ball rack cylindrical right-hand member is provided with location pawl, location pawl protrudes to right-hand member, and multiple location pawl and multiple positioning sliding block are slidably matched, and multiple positioning sliding block and multiple steel ball pawl circle distribution are located at the inner headed face of movable sleeving, the circular arc face of steel ball groove is provided with opening, is provided with V shape opening between circle distribution steel ball groove; Steel ball groove and the assembling of corresponding steel ball pawl, the steel ball of steel ball groove dress contacts with steel ball pawl working face, steel ball pawl is provided with the facet vertical with axial line, facet contacts with annulus packing ring, annulus packing ring inner headed face and shelves position axle are slidably matched, annulus packing ring contacts with outer cone surface cover, and outer cone surface cover contacts with the stage clip of compression.

Described spiral tooth spring assembly is one-way spiral tooth spring assembly or bidirectional screw tooth spring assembly.

Described one-way spiral tooth spring assembly, second gear driving toothed gear is slidably matched by the pillow block rank of shelves position axle and positioning retainer ring and is assemblied on the axle of shelves position, the inner cone surface cover that second gear driving toothed gear left end is fixed is sleeved in outer cone surface cover, outer cone surface cover is assemblied on the outer one-way spiral tooth of shelves position axle by interior one-way spiral tooth, outer cone surface cover inner circle left side and annulus back-up ring right side are equipped with the stage clip of compression, and the outer back-up ring that annulus back-up ring left end assembles with the outer jump-ring slot of shelves position axle contacts.

Described bidirectional screw tooth spring assembly, not identical with one-way spiral tooth spring assembly is that shelves position axle is provided with outer convex sliding post or trilateral slip teeth, outer cone surface cover inner circle is provided with just oppositely spiral tooth, journey V shape opening, opening is to right-hand member, and opening end is provided with recessed round chamber, the circumference in recessed round chamber is provided with interior jump-ring slot, being slidably matched by interior jump ring component location guide ring, annulus circle inner headed face and shelves position axle, outer cone surface cover left end contacts with the stage clip of compression; Or axle male part position, shelves position is provided with just oppositely spiral tooth, journey V shape opening, the opening of V shape opening is to the stage clip of left end, opening portion is by outer jump ring component location guide ring, annulus circle periphery and outer cone surface cover inner headed face are slidably matched, the just oppositely spiral tooth that outer cone surface cover inner circle is provided with convex tooth and shelves position axle is adaptive, and outer cone surface cover left end contacts with the stage clip of compression.

Described twin shaft second gear transmission is that rotating speed becomes shelves differential speed motor or moment of torsion becomes shelves differential speed motor.

Described rotating speed becomes shelves differential speed motor, left half shell is provided with the circular hole through shelves position axle and ring flange, cylindrical cap and ring flange are fixed, bearing support it is provided with bottom cylindrical cap, by bearing assemble shelves position axle inside machine shell, driven shaft always becomes with differential mechanism master wheel, shelves position axle is axially equipped with steel ball incline device successively, conical clutch, shelves position axle right-hand member is connected with motor shaft, outer cone surface cover is assemblied on the axle of shelves position by inner rack axial sliding fit, outer cone surface cover left end contacts with annulus packing ring or assembles annulus rubber pad between outer cone surface cover left end and annulus packing ring, outer cone surface cover right-hand member contacts with the stage clip of compression, the inner cone surface cover that outer cone surface cover and second gear driving toothed gear are fixed is adaptive, one grade of driving toothed gear is fixed on the axle of shelves position, second gear driving toothed gear engages with second gear follower gear, one grade of driving toothed gear engages with one grade of follower gear, second gear follower gear is fixed on driven shaft, one grade of follower gear is assemblied on driven shaft by toothed type ratchet mechanism, driven shaft is provided with shaft gear and engages with differential mechanism master wheel.

Described moment of torsion becomes shelves differential speed motor, shelves position axle assembling spiral tooth spring assembly, conical clutch, one grade of driving toothed gear and shelves position axle are slidably matched, one grade of fixing sliding pawl dish of driving toothed gear right-hand member, the sliding sliding pawl of pawl dish and the dynamic sliding cover that the alternate insertion of dynamic sliding pawl of outer cone surface cover left end is slidably matched or sliding pawl dish fixes sliding cover fixing with outer cone surface cover left end are slidably matched by spline, on the spiral tooth that outer cone surface cover is assemblied in shelves position axle by one-way spiral tooth or bidirectional screw tooth or outer convex sliding post, when moment of torsion increases, outer cone surface cover is moved to the left, stage clip or the disc spring of compression it is equipped with between outer cone surface cover left end and annulus packing ring, outer back-up ring on annulus packing ring jump-ring slot outer with shelves position axle contacts, the inner cone surface cover that outer cone surface cover and second gear driving toothed gear are fixed is adaptive, second gear driving toothed gear and shelves position axle are slidably matched, second gear driving toothed gear engages with second gear follower gear, one grade of driving toothed gear engages with one grade of follower gear, one grade of follower gear is assemblied on driven shaft by toothed type ratchet mechanism, second gear follower gear and driven shaft are fixed, driven shaft is provided with shaft gear outputting power, shelves position axle right-hand member is connected input power with motor shaft.

Described epicyclic train gear train assembly is second gear wheel hub motor, motor coil is fixed by coil stand and stationary shaft, shelves position axle is that tubular shaft is rotatably assorted and is enclosed within stationary shaft, shelves position axle is equipped with spiral tooth spring assembly and conical clutch, motor rotor is assemblied on the axle of shelves position, asteroid wheel engages with ring gear while engaging with second gear driving toothed gear, major planets wheel engages with one grade of driving toothed gear, asteroid wheel is fixed on planet wheel shaft, major planets wheel is assemblied on planet wheel shaft by toothed type ratchet mechanism, planet wheel shaft is rotatably assorted and is contained on planet carrier, the motor rotor-end of shelves position axle arranges obstruct frame, obstruct frame and shelves position axle are rotatably assorted by bearing and oil sealing, shelves position axle left end and stationary shaft are rotatably assorted by bearing and oil sealing, right end cap and stationary shaft are rotatably assorted, left end cap and stationary shaft are rotatably assorted, intercept frame and right end cap, left end cap assembling is bolted.

The ratchet tail end swung in described internal tooth ratchet mechanism or ratchet wheel mechanism is fixed with the counterbalance weight of centrifugal force, and when preventing centrifugal force size variation, ratchet produces to freely swing.

Described unidirectional end face tooth papillae wheel overrunning clutch, can also be: driven ratchet is fixed by spline and driven shaft, driven ratchet engages adaptation with initiatively ratchet two end faces in opposite directions, outer spiral tooth block set is fixed in follower gear one end, outer spiral tooth block set is slidably matched and is enclosed within driven shaft and is assembled by pillow block rank and outer back-up ring, initiatively ratchet overlaps outside in spiral tooth block set by spiral tooth, driven ratchet cylindrical fixed jacket cover, overcoat cover is arranged and stops and be enclosed within the cylindrical of initiatively ratchet every being assembled multiple arc block or multiple arc block by steel leaf-spring by circle hoop spring, initiatively ratchet cylindrical is provided with concave surface or the concave ring groove of the steel leaf-spring arc convex adaptation fixing with follower gear, surmount on concave surface or concave ring groove that state steel leaf-spring arc convex is pressed in initiatively ratchet cylindrical in transmission.

Described Bidirectional end face tooth papillae wheel overrunning clutch, can also be: right driven ratchet is fixed on driven shaft by spline, adaptation is engaged with the right-hand member of active ratchet, left driven ratchet is arranged on the left end of initiatively ratchet and follower gear, follower gear right-hand member fixes outer spiral tooth block set, outer spiral tooth block set is slidably matched by pillow block rank and outer back-up ring and is enclosed within driven shaft, initiatively ratchet overlaps outside in spiral tooth block set by spiral tooth, follower gear and outer spiral tooth block set fixed position circumferential arrangement are provided with multiple through hole, initiatively the left end of ratchet is provided with multiple ratchet hock and can be each passed through through hole ratchet driven with a left side and engage, left driven ratchet is fixed on driven shaft, right driven ratchet cylindrical fixed jacket cover, overcoat cover arranges and stops every the multiple arc block of assembling, arc block is enclosed within the cylindrical of initiatively ratchet by circle hoop spring, initiatively ratchet cylindrical is provided with the concave ring groove of the steel leaf-spring arc convex adaptation fixing with follower gear right-hand member, surmount state steel leaf-spring arc convex in transmission to be pressed on the concave ring groove of initiatively ratchet cylindrical.

Compared with prior art, the useful effect of the utility model automatic transmission is:

1. this automatic transmission have employed conical clutch, the transmission that acceleration and deceleration during change shelves speed change are produced is impacted and is effectively cushioned, adopt toothed type ratchet mechanism, ensure that the continuity of transmission of power and reliability, adopt steel ball inclined-plane to handle and become shelves, making vehicle start steady, the performance of automatic transmission is more excellent;

2. adopt pure mechanical gear transmission to obtain the highest mechanical efficiency, be conducive to energy-saving and emission-reduction, especially in the operating mode surmounted in transmission, arc block is made to be separated with the round block set of active ratchet when rotating speed is high, effectively reducing the load of motor, it is to increase mechanical efficiency, this technology second gear wheel hub motor and second gear differential speed motor can be assemblied in existing power truck, production inheritance is good, exploitation, low cost of manufacture.

Accompanying drawing explanation

Fig. 1 is the second gear wheel hub motor example structure schematic diagram of the utility model automatic transmission;

Fig. 1 a is the structural representation of one-way spiral tooth spring assembly and conical clutch;

Fig. 1 b is the axial sectional view of Fig. 1 a;

Fig. 1 c is the structural representation of the outer cone surface cover in one-way spiral tooth spring assembly;

Fig. 1 d is the axial sectional view of Fig. 1 c;

Fig. 1 e is one grade of driving toothed gear and the structural representation of sliding pawl dish;

Fig. 1 f is the structural representation of internal tooth mono-directional overrun clutch;

Fig. 1 g is the structural representation of external tooth mono-directional overrun clutch;

Fig. 1 h is the part component decomposing schematic representation of the two-way external tooth overrunning clutch of superposing type;

Fig. 2 is the structural representation of second gear differential speed motor first embodiment of the utility model automatic transmission;

Fig. 2 a is the structural representation of the outer cone surface cover in bidirectional screw tooth spring assembly;

Fig. 2 b is the axial sectional view of Fig. 2 a;

Fig. 2 c is the K direction view of Fig. 2 a;

Fig. 2 d is inner cone surface cover and the structural representation of second gear driving toothed gear;

Fig. 2 e is the structural representation of the two-way internal tooth ratchet overrunning clutch of arranged type;

Fig. 2 f is that the shaft portion of the two-way internal tooth ratchet overrunning clutch of arranged type is to sectional view;

Fig. 2 g is the part component decomposing schematic representation of the two-way internal tooth ratchet overrunning clutch of arranged type;

Fig. 3 is the structural representation of second gear differential speed motor the 2nd embodiment of the utility model automatic transmission;

Fig. 3 a is the schematic diagram of a kind of Bidirectional end face tooth papillae wheel overrunning clutch;

Fig. 3 b is the axial sectional view of Fig. 3 a;

Fig. 3 c is the part component decomposing schematic representation in Fig. 3 a;

Fig. 3 d is the axial sectional view of the driven ratchet of positive rotation in Fig. 3 c;

Fig. 3 e is that the end of the driven ratchet of despining in Fig. 3 c is to schematic diagram;

Fig. 3 f is the axial sectional view of the driven ratchet of despining in Fig. 3 c;

Fig. 3 g is the schematic diagram of initiatively ratchet in Fig. 3 c;

Fig. 3 h is the axial sectional view of initiatively ratchet in Fig. 3 c;

Fig. 3 i is the structural representation of outer ring gear in Fig. 3 c;

Fig. 3 j is the structural representation of arc block in Fig. 3 c;

Fig. 3 k is the schematic diagram of another kind of Bidirectional end face tooth papillae wheel overrunning clutch;

Fig. 4 is the structural representation of second gear differential speed motor the 3rd embodiment of the utility model automatic transmission.

Embodiment

It is the second gear wheel hub motor embodiment of the utility model automatic transmission as shown in Fig. 1, Fig. 1 a, Fig. 1 b, Fig. 1 c, Fig. 1 d, Fig. 1 e, Fig. 1 f, Fig. 1 g and Fig. 1 h, the power truck that wheel hub drives can be assemblied in. stationary shaft 67 and vehicle frame are fixed, shelves position axle 1 is that tubular shaft is rotatably assorted and is enclosed within stationary shaft, motor rotor 56 is assemblied in the left end of shelves position axle 1, motor coil 51 is fixed by coil stand and stationary shaft, asteroid wheel 59 engages with ring gear 63 while engaging with second gear driving toothed gear 21, major planets wheel 58 engages with one grade of driving toothed gear 20, one grade of driving toothed gear is slidably matched by pillow block rank and outer jump ring 7 and is assemblied on the axle of shelves position, asteroid wheel is fixed on planet wheel shaft 61, major planets wheel 58 is assemblied on planet wheel shaft 61 by toothed type ratchet mechanism 12, planet wheel shaft is rotatably assorted and is assemblied on planet carrier 60, between the motor rotor of shelves position axle assembling and geartransmission, obstruct frame 57 is set and encapsulates lubricating oil, obstruct frame and shelves position axle are rotatably assorted by bearing and oil sealing, shelves position axle left end and stationary shaft are rotatably assorted by bearing and oil sealing, the right end cap of wheel hub and stationary shaft are rotatably assorted by bearing 23 and oil sealing 55, wheel hub left end cap 246 and stationary shaft are rotatably assorted, intercept frame and right end cap, left end cap assembling is bolted,

One-way spiral tooth spring assembly in the conical clutch 17 of assembling on shelves position axle 1 and operating device 9, second gear driving toothed gear 21 is slidably matched by pillow block rank and outer back-up ring and is assemblied on shelves position axle 1, second gear driving toothed gear left end is fixed with inner cone surface cover 211, inner cone surface cover is sleeved in outer cone surface cover 25, outer cone surface cover is assemblied on the one-way spiral tooth of shelves position axle by one-way spiral tooth, the stage clip 15 of compression it is equipped with between outer cone surface cover 25 inner circle left side and annulus back-up ring 24 right side, the outer back-up ring that annulus back-up ring left end assembles with the outer jump-ring slot of shelves position axle contacts location, one grade of fixing sliding pawl dish 201 of driving toothed gear 20 right-hand member, the sliding pawl 202 that sliding pawl dish right-hand member circumferential arrangement is arranged is slidably matched with the dynamic sliding alternate insertion of pawl 251 of outer cone surface cover 25 left end, outer cone surface cover is provided with stage clip chamber 252 device stage clip 15,

As shown in Figure 1 f, unidirectional internal tooth ratchet overrunning clutch can be made by toothed type ratchet mechanism 12, the internal round chamber assembling ratchet holder 759 of internal tooth ratchet 73, ratchet 705 is assemblied in ratchet holder cylindrical to an identical direction circumferential arrangement that is rotated counterclockwise by big spring 703 and the connection of little spring 704 elasticity, the rigidity of big spring is bigger than the rigidity of little spring, state when transmission, power pawl 821 promotes big spring, the leverage of big spring 703 makes ratchet 705 contact engagement with internal tooth ratchet 73, one end of big spring contacts with the one side of ratchet 705, the other end of big spring contacts with power pawl, contact with pawl base 701 surmounting state, big spring around snare on the little axle 706 of ratchet side, state when big spring is separated with power pawl, by the effect of little spring 704, ratchet 705 is separated with internal tooth ratchet 73, one end of little spring contacts with the another side of ratchet 705, the other end of little spring with ratchet holder contact, little spring around snare on the little axle of another side of ratchet,

Toothed type ratchet mechanism 12 also can be made unidirectional ratchet wheel overrunning clutch as shown in Figure 1 g, the internal round chamber assembling ratchet wheel 75 of ratchet holder 80, ratchet 705 is assemblied in ratchet holder internal round chamber to an identical direction circumferential arrangement that is rotated counterclockwise by big spring 703 and the connection of little spring 704 elasticity, the rigidity of big spring is bigger than the rigidity of little spring, state when transmission, power pawl 821 promotes big spring, the leverage of big spring 703 makes ratchet 705 contact engagement with ratchet wheel 75, one end of big spring contacts with the one side of ratchet 705, the other end of big spring contacts with power pawl, contact with pawl base 801 surmounting state, big spring around snare on the little axle 706 of ratchet side, state when big spring is separated with power pawl, by little spring effect, ratchet is separated with ratchet wheel, one end of little spring contacts with the another side of ratchet 705, the other end of little spring with ratchet holder 80 contact, little spring around snare on the little axle of another side of ratchet,

Toothed type ratchet mechanism can also be made superposing type ratchet wheel overrunning clutch as shown in figure 1h, wheel hub rotating can be obtained drive, positive rotation ratchet holder 806 is completely identical with the structure of despining ratchet holder 80, in positive rotation ratchet holder 806 internal round chamber, in the ratchet 758 of assembling and despining ratchet holder 80 internal round chamber, the ratchet 75 of assembling is also identical, the direction just surmounting rotation is contrary, it is axially superimposed that middle splint 85 is set between positive rotation ratchet holder and ratchet and despining ratchet holder and ratchet, it is assembled together, the ratchet rotated forward and the ratchet of reversion are circumferentially alternately, circumferential direction rotates forward ratchet clockwise and arranges with the alternate center of reversion ratchet, power pawl 821 circle distribution is axially inserted in and rotates forward between pawl base and reversion pawl base, power pawl is provided with the cooperation location of heading concave surface in the middle of the positive and negative stroke rotated of ratchet holder, the left side that power pawl is fixed on pawl dish 82 circumferentially arranges, positive rotation ratchet holder 806 is fixed between left clamping plate and middle splint 85, despining ratchet holder 80 is fixed between middle splint 85 and right clamping plate, the axis hole 851 of what three clamping plate were identical be provided with arcuate socket 852 that power pawl passes and the assembling little axle 706 of ratchet, big spring 703 around snare on the little axle 706 of ratchet 705, despining ratchet holder 80 is also provided with the cavity 802 of big spring action. the pawl dish 82 being fixed with three power pawls 821 is fixing with major planets wheel, and ratchet and the assembling of planet wheel shaft are fixing.

It is second gear differential speed motor first embodiment of the utility model automatic transmission as shown in Fig. 2, Fig. 2 a, Fig. 2 b, Fig. 2 c, Fig. 2 d, Fig. 2 e, 2f and Fig. 2 g, the drive axle of power truck can be assemblied in. shelves position axle 1 assembles the bidirectional screw tooth spring assembly in operating device 9, conical clutch 17, one grade of driving toothed gear 20 is slidably matched with shelves position axle 1, one grade of fixing sliding pawl dish of driving toothed gear right-hand member, sliding cover 203 internal splines of sliding pawl dish and dynamic sliding cover 259 male splines of outer cone surface cover left end are slidably matched, outer cone surface cover 25 is assemblied on the outer convex sliding post 108 of shelves position axle 1 assembling by bidirectional screw tooth, outer cone surface cover left end and annulus packing ring 24 right-hand member are equipped with the stage clip 15 of compression, outer back-up ring on annulus packing ring left end jump-ring slot outer with shelves position axle contacts, inner cone surface cover 211 adaptation that outer cone surface cover 25 is fixing with second gear driving toothed gear 21 left end, second gear driving toothed gear and shelves position axle 1 are slidably matched, second gear driving toothed gear engages with second gear follower gear 27, one grade of driving toothed gear 20 engages with one grade of follower gear 26, one grade of follower gear is assemblied on driven shaft 4 by toothed type ratchet mechanism 12, second gear follower gear 27 is fixed with driven shaft 4, driven shaft is provided with shaft gear 41 and engages outputting power with the master wheel 271 of differential mechanism, shelves position axle right-hand member is connected input power with motor shaft,

Shelves position axle is provided with through hole and is equipped with outer convex sliding post 108, outer cone surface cover 25 inner circle is provided with transport screw tooth 255 and reverse screw tooth 256, journey V shape opening, opening is to right-hand member, opening end is provided with recessed round chamber, and the circumference in recessed round chamber is provided with interior jump-ring slot 257, by interior jump ring component location guide ring 258, annulus circle inner headed face and shelves position axle 1 are slidably matched, and outer convex sliding post 108 contacts with transport screw tooth 255 or contacts with reverse screw tooth 256;

One grade of follower gear 26 is assemblied on driven shaft 4 by the two-way internal tooth ratchet overrunning clutch of the arranged type in toothed type ratchet mechanism 12, internal tooth ratchet 88 inner circle circumferential arrangement is provided with isosceles trapezoid engagement tooth 881, internal tooth ratchet internal round chamber assembles a ratchet holder 70, ratchet holder is provided with two and rotates forward pawl base 701 and two reversion pawl bases 702, rotate forward pawl base and reversion pawl base alternate circumferential arrangement, each rotating forward pawl base assembles one by big spring 703 and little spring and is just turning to ratchet 705, each reversion pawl base 702 assembles a counter steer ratchet 709 by big spring and little spring 704, power pawl 821 is inserted between the contact face rotating forward pawl base 701 and reversion pawl base 702, internal tooth ratchet and ratchet holder are assembled by left clamping plate 804 and right clamping plate 805, left clamping plate and right clamping plate are equipped with the arc notch 807 of the positive and negative rotation of power pawl and install the axis hole 806 of the little axle 706 just turning to ratchet, power pawl 821 is located at one end of pawl dish, pawl dish can be processed into second gear follower gear 26, power is transmitted in order to obtain couple, power pawl 821 and counter steer ratchet 709 and power pawl 822 and counter steer ratchet 707 reverse-drive when motor reversal, power pawl 821 with just turning to ratchet 705 and power pawl 822 and just turning to ratchet 708 to make car when motor rotates forward before row cutting,

Make ratchet produce to freely swing for preventing centrifugal force size variation, just turning to the counterbalance weight 710 of the fixing centrifugal force of the tail end of ratchet 708, internal tooth ratchet is fixed on the cylindrical of the base disk 886 of block set 882 one end, block set is provided with internal spline and the assembling of driven shaft 4 male spline, block set is provided with outer lug boss rank and outer jump-ring slot 883 and is slidably matched assembling pawl dish by outer back-up ring 889, pawl dish is processed into one grade of follower gear 26, internal tooth ratchet outer ring 885 left end is provided with overcoat cover, overcoat is covered with and stops every assembling arc block 35 with annulus back-up ring 890 by steel leaf-spring 354, it is adaptive with arc block that ratchet wheel frame one end is provided with round block set 887.

Such as Fig. 3, Fig. 3 a, Fig. 3 b, Fig. 3 c, Fig. 3 d, Fig. 3 e, Fig. 3 f, Fig. 3 g, Fig. 3 h, Fig. 3 i, it it is the 2nd embodiment of the second gear differential speed motor of the utility model automatic transmission shown in Fig. 3 j and Fig. 3 k, in order to make vehicle start steady, operating device 9 adopts steel ball inclined-plane rotating speed to become shelves, left half shell 241 is provided with the circular hole through shelves position axle 1 and ring flange, cylindrical cap 244 and ring flange are fixed, bearing support it is provided with bottom cylindrical cap, by bearing assemble shelves position axle inside machine shell 249, driven shaft 4 always becomes with differential mechanism master wheel 271, shelves position axle is axially equipped with steel ball incline device successively, conical clutch 17, shelves position axle right-hand member is connected with motor shaft through the bearing support through hole of right half shell 243 by male spline 104, outer cone surface cover 25 is slidably matched by inner rack and is assemblied on shelves position axle 1, outer cone surface cover left end contacts with annulus rubber pad 157, annulus rubber pad contacts with annulus packing ring 106, outer cone surface cover 25 is adaptive with the fixing inner cone surface cover 151 of second gear driving toothed gear 21, second gear driving toothed gear right-hand member and sleeve base 215 are fixed, sleeve base is slidably matched by pillow block rank 101 and outer back-up ring 103 and is assemblied on the axle of shelves position, stage clip 15 is compressed between outer cone surface cover right-hand member and pillow block rank 101 left end, one grade of driving toothed gear 20 is fixed on the axle of shelves position, second gear driving toothed gear 21 engages with second gear follower gear 27, one grade of driving toothed gear 20 engages with one grade of follower gear 26, second gear follower gear is fixed on driven shaft 4, one grade of follower gear is assemblied on driven shaft by the end face tooth papillae wheel overrunning clutch in toothed type ratchet mechanism 12, it is provided with shaft gear 41 in the middle part of driven shaft to engage with differential mechanism master wheel 271,

Steel ball groove in steel ball incline device coordinates with steel ball pawl 913, steel ball rack 91 is provided with block set, block set is provided with inner rack and is assemblied on the male spline groove 102 of shelves position axle, block set cylindrical is circumferentially distributed with multiple steel ball groove, steel ball rack cylindrical right-hand member is provided with location pawl, location pawl protrudes to right-hand member, multiple location pawl and multiple positioning sliding block are slidably matched, multiple positioning sliding block and multiple steel ball pawl circle distribution are located at the inner headed face of movable sleeving 36, the circular arc face of steel ball groove is provided with opening, is provided with V shape opening between circle distribution steel ball groove; Steel ball groove and the assembling of corresponding steel ball pawl, the steel ball 912 of steel ball groove dress contacts with steel ball pawl 913 working face, and steel ball pawl is provided with the facet vertical with axial line, and facet and annulus packing ring 106 end contact, annulus packing ring inner headed face and shelves position axle 1 are slidably matched;

It it is the schematic diagram of Bidirectional end face tooth papillae wheel overrunning clutch as shown in Fig. 3 a-Fig. 3 j, the driven ratchet of positive rotation 34 is provided with internal spline block set 341 and is assemblied in the block set 331 of the driven ratchet 33 of despining, positive rotation driven ratchet 34 right-hand member is provided with dish seat 345, lasso 343 is fixed in dish seat right side, lasso right side is provided with and rotates forward engagement tooth 344, lasso inner headed face is provided with groove circle and circumferential arrangement is provided with three stops every 343 and inner shield ring 342, every two stop every between assembling an arc block 35, groove circle inner headed face assembles arc block by steel leaf-spring 354, the inner headed face of three arc block formation is adaptive with the periphery of the initiatively round block set 321 of ratchet 32, initiatively ratchet 32 right-hand member is provided with the reversion engaging tooth 324 ratchet 33 driven with despining of reversing and engages tooth 334 adaptation, initiatively ratchet 32 left end is provided with the rotating forward rotating forward engagement tooth 322 ratchet 34 driven with positive rotation and engages tooth 344 adaptation, initiatively the spiral tooth of the inner headed face that the periphery of ratchet 32 is provided with the outer ring sleeve 316 of spiral tooth 323 with outer ring gear 31 is adaptive,

The driven ratchet 33 of despining is provided with the block set 331 of internal spline and male spline, the left end of positive rotation driven ratchet left end disc seat 345 contacts location with outer jump ring 338, outer jump ring 338 is contained on the outer jump-ring slot 337 of despining driven ratchet block set, dish seat 335 left end of the driven ratchet of despining is provided with lasso 336, lasso left side is provided with reversion engagement tooth 334, lasso inner headed face is provided with groove circle and circumferential arrangement is provided with three stops every 333 and inner shield ring 332, every two stop every between assembling an arc block 35, groove circle inner headed face assembles arc block by steel leaf-spring, the inner headed face of three arc block formation is adaptive with the periphery of the initiatively round block set 321 of ratchet 32, surmount state initiatively ratchet 32 be provided with heading 325 and coordinate with the concave surface 315 of outer ring gear 31,

Shown in Fig. 3 b, for reducing the disadvantageous effect of the axial force that spiral tooth produces in transmission, inner headed face left end at outer ring gear 31 is provided with left inside back-up ring 314, location can be contacted with the periphery left end of active ratchet 32, inner headed face right-hand member at outer ring gear is provided with right inside back-up ring 313, can contact location with the periphery right-hand member of active ratchet;

As shown in Fig. 3 j and Fig. 3 k, the Bidirectional end face tooth papillae wheel overrunning clutch in Tu3Zhong toothed type ratchet mechanism 12 can also be made the 2nd kind of structure reducing second gear follower gear diameter, left driven ratchet 34 left end is provided with sleeve block 347 and the right side driven ratchet 33 right-hand member and is provided with sleeve block 338, sleeve block inner circle is provided with the male spline assembling of internal spline and driven shaft 4 and assembles by pillow block rank 611 and positioning retainer ring 612, initiatively the round block set 321 of ratchet 32 is slidably matched and is enclosed within driven shaft 4 cylindrical, circle block set cylindrical can contact with arc block 35 and be slidably matched, arc block is assemblied in the interior groove of left driven ratchet right-hand member outside race by intercepting with inner shield ring 342, the outer convex block face 351 of arc block 35 contacts with inner shield ring 342, the outer groove 353 of three arc block 35 right-hand member cylindricals assembles circle hoop spring 355, initiatively the two ends of ratchet 32 are respectively provided with unidirectional ratchet, and the direction rotating engagement is contrary, initiatively ratchet 32 cylindrical is provided with the spiral tooth assembling of spiral tooth and outer ring gear 31 inner circle, outer ring gear 31 left end ratchet 34 driven with a left side contacts and is slidably matched, gear right-hand member ratchet 33 driven with the right side in outer ring contacts and is slidably matched, surmount state initiatively ratchet be provided with heading and contact with the concave surface of outer ring gear.

It is the 3rd embodiment of the second gear differential speed motor of the utility model automatic transmission as shown in Figure 4, in order to make the volume-diminished of automatic transmission, spiral tooth spring assembly can also be adopted to coordinate Bidirectional end face tooth papillae wheel overrunning clutch to realize becoming shelves, driven shaft 4 assembles toothed type ratchet mechanism 12, the driven ratchet 277 of positive rotation is arranged on second gear follower gear 27 left side, adaptation is engaged with the right-hand member of active ratchet 267, the driven ratchet 821 of despining is arranged on the left end of initiatively ratchet and one grade of follower gear 26, one grade of fixing outer spiral tooth block set 265 of follower gear right-hand member, outer spiral tooth block set be slidably matched be enclosed within driven shaft and by pillow block rank and outer back-up ring 46 assembling and positioning, one grade of follower gear and outer spiral tooth block set fixed position circumferential arrangement are provided with multiple through hole, initiatively the left end of ratchet 267 is provided with multiple ratchet hock and can be each passed through through hole ratchet 821 driven with a left side and engage, left driven ratchet 821 is fixed on driven shaft 4 by outer back-up ring 46 and outer back-up ring 47 location, right driven ratchet 277 cylindrical assembles fixed jacket cover 275 by snap ring circle 276, overcoat cover inner headed face arranges three and stops every assembling three arc blocks 35, every two stop every between assembling an arc block, arc block is enclosed within the cylindrical of initiatively ratchet 267 by circle hoop spring 355, at driven ratchet rotating speed low or stop rotate time fit together by the effect of circle hoop spring, when rotating speed height, arc block is separated with active ratchet owing to centrifugal action overcomes the enclasping force of circle hoop spring, initiatively ratchet 267 cylindrical is provided with the concave surface of two the steel leaf-spring 266 arc convex adaptations fixing with one grade of follower gear right-hand member, when transmission surmounts state, steel leaf-spring 266 arc convex is pressed on the concave surface of initiatively ratchet 267 cylindrical, shelves position axle 1 assembles the spiral tooth spring assembly in operating device 9, conical clutch 17, one grade of driving toothed gear 20 is slidably matched with shelves position axle 1, one grade of fixing sliding pawl dish of driving toothed gear right-hand member, sliding cover 203 internal splines of sliding pawl dish and the dynamic sliding cover male spline of outer cone surface cover 25 left end are slidably matched, outer cone surface cover 25 is assemblied on the outer convex sliding post 108 of shelves position axle 1 by bidirectional screw tooth, the stage clip 15 of compression it is equipped with between outer cone surface cover left end and annulus packing ring 24, annulus packing ring left side contacts with the outer back-up ring being assemblied on the outer jump-ring slot of shelves position axle, inner cone surface cover 211 adaptation that outer cone surface cover 25 is fixing with second gear driving toothed gear 21 left end, second gear driving toothed gear and shelves position axle 1 are slidably matched, second gear driving toothed gear engages with second gear follower gear 27, one grade of driving toothed gear 20 engages with one grade of follower gear 26, one grade of follower gear is assemblied on driven shaft 4 by the Bidirectional end face tooth papillae wheel overrunning clutch in toothed type ratchet mechanism 12, second gear follower gear 27 is fixed with driven shaft 4, driven shaft is provided with shaft gear 41 and engages outputting power with the master wheel of differential mechanism.

Transmission principle and the operating process of the utility model automatic transmission be:

It is described with the second gear wheel hub motor embodiment of automatic transmission, such as Fig. 1, Fig. 1 a, Fig. 1 b, Fig. 1 c, shown in Fig. 1 d and Fig. 1 e, it belongs to moment of torsion automatic gear-shifting, the operating device 9 that shelves position axle 1 assembles is when moment of torsion increases, the reactive force of spiral tooth strengthens, outer cone surface cover 25 is forced to move to left end, stage clip 15 is compressed, dynamic sliding pawl 251 is axially moved to the left and sliding pawl 202 sliding friction, rotate forces pawl dish 201 to drive one grade of driving toothed gear 20 to rotate simultaneously, one grade of driving toothed gear and major planets take turns 58 engaged transmission, major planets wheel drives planet wheel shaft 61 to rotate by toothed type ratchet mechanism 12, planet wheel shaft and its fixing asteroid wheel 59 synchronous axial system, asteroid wheel 59 engages with ring gear 63 while engaging with second gear driving toothed gear 21, the inner cone surface cover 211 fixing due to second gear driving toothed gear is separated with outer cone surface cover 25, second gear driving toothed gear slides rotation on the axle of shelves position, ring gear rotating band driving wheel hub rotating drive vehicle moves ahead, realize one grade of high pulling torque to drive. after the driving resistance of vehicle reduces, the reactive force of spiral tooth reduces, stage clip 15 reset forces outer cone surface cover 25 to move the inner cone surface cover 211 fixing with second gear driving toothed gear to right-hand member and contacts, second gear driving toothed gear obtains power makes asteroid wheel accelerate to rotate, asteroid wheel accelerates to rotate makes again ring gear drive wheel hub to drive vehicle acceleration to move ahead, it is achieved second gear is run at high speed, asteroid wheel drives planet wheel shaft high speed rotating, and planet wheel shaft 61 is automatically surmounted by toothed type ratchet mechanism 12 and major planets wheel and is separated. when the resistance of driving increases, one grade of transmission can be become again from second gear automatically again, thus go round and begin again, it is achieved two shift automatic variable speed transmissions of the utility model automatic transmission, shown in Fig. 1, one grade is in separate stage, illustrates that automatic transmission is the running status of the high rotating speed being in little moment of torsion.

Although by reference to the accompanying drawings the utility model having been carried out foregoing description; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; the those of ordinary skill of this area is under enlightenment of the present utility model; when not departing from the utility model objective, it is also possible to make a lot of distortion, these all belong to the row of protection of the present utility model.

Claims

1. an automatic transmission, comprises shifting gear transmission system, gear shift mechanism executive system; Described gear shift mechanism executive system comprises operating device, conical clutch, toothed type ratchet mechanism; Described shifting gear transmission system is twin shaft second gear transmission or epicyclic train geartransmission, described operating device is steel ball incline device or spiral tooth spring assembly, described toothed type ratchet mechanism is internal tooth ratchet mechanism or ratchet wheel mechanism or end face tooth papillae wheel mechanism, it is characterized in that:

The ratchet of described internal tooth ratchet mechanism or ratchet wheel mechanism is connected by big spring and little spring and is assemblied in ratchet wheel or between internal tooth ratchet and ratchet holder, the rigidity of big spring is bigger than the rigidity of little spring, the hypotenuse of big spring contacts with power pawl and when drive state, power pawl slip big spring lever ratchet contacts engagement with ratchet wheel or internal tooth ratchet, state when big spring is separated with power pawl, little spring goes back to position makes ratchet be separated with ratchet wheel or internal tooth ratchet;

Described end face tooth papillae wheel mechanism is that driven ratchet or its fixing synchronous axial system part arrange overcoat cover, overcoat cover circumferential arrangement arranges and stops every entangling arc block by steel leaf-spring assembling arc block or circle hoop spring, initiatively ratchet is provided with round block set and arc block adaptation, at driven ratchet rotating speed low or stop rotate time state, arc block contacts with circle block set, in the state that driven ratchet rotating speed is high, arc block is separated with circle block set;

Described internal tooth ratchet mechanism is unidirectional internal tooth ratchet overrunning clutch or two-way internal tooth ratchet overrunning clutch,

Described ratchet wheel mechanism is unidirectional ratchet wheel overrunning clutch or two-way ratchet wheel overrunning clutch,

2. automatic transmission according to claim 1, is characterized in that: described internal tooth ratchet mechanism is unidirectional internal tooth ratchet overrunning clutch or two-way internal tooth ratchet overrunning clutch,

Described unidirectional internal tooth ratchet overrunning clutch, the internal round chamber assembling ratchet holder of internal tooth ratchet, ratchet holder connects assembling ratchet to identical sense of rotation circumferential arrangement by big spring and little spring with right clamping plate by left clamping plate, engagement is contacted with internal tooth ratchet at drive state power pawl slip big spring lever ratchet, one end of big spring contacts with the one side of ratchet, the other end of big spring contacts with power pawl or contacts with pawl base, big spring around snare on the little axle of ratchet side, state when big spring is separated with power pawl, little spring goes back to position makes ratchet be separated with internal tooth ratchet, one end of little spring contacts with the another side of ratchet, the other end of little spring contacts with ratchet holder, little spring around snare on the little axle of another side of ratchet, the concave surface of pawl dish is fallen in the elasticity heading surmounting the assembling of state ratchet holder, the shaft hole sleeve of pawl dish is at block set cylindrical, internal tooth ratchet is fixed on the cylindrical of block set one end base disk, block set is provided with internal spline and the assembling of driven shaft male spline, assembling ratchet holder that block set is provided with outer lug boss rank and outer jump-ring slot is slidably matched, internal tooth ratchet one end arranges overcoat cover, overcoat is covered with and stops every assembling at least two arc blocks with annulus back-up ring or interior jump ring, every two stop every between assembling an arc block, arc block and overcoat cover inner headed face are by steel leaf-spring resilient engagement, ratchet holder is provided with round block set and arc block adaptation, power pawl is located at one end of pawl dish, pawl dish is follower gear or sprocket wheel or is connected with follower gear elasticity,

Described two-way internal tooth ratchet overrunning clutch is superposing type two-way internal tooth ratchet overrunning clutch or the two-way internal tooth ratchet overrunning clutch of arranged type,

Described superposing type two-way internal tooth ratchet overrunning clutch is by two rotation overrunning direction superposition assemblings by two unidirectional internal tooth ratchet overrunning clutches, arrange between positive rotation ratchet holder and despining ratchet holder that middle splint is axially superimposed to be assembled together, positive rotation ratchet holder rotates forward ratchet by left clamping plate and middle splint assembling, despining ratchet holder is by right clamping plate and middle splint assembling reversion ratchet, circumferential arrangement rotates forward ratchet and arranges assembling with the reversion alternate center of ratchet, power pawl circle distribution is axially inserted in and rotates forward between pawl base and reversion pawl base, it is adaptive with the concave surface of pawl dish that positive rotation ratchet holder or despining ratchet holder are equipped with elasticity heading,

3. automatic transmission according to claim 1, is characterized in that: described ratchet wheel mechanism is unidirectional ratchet wheel overrunning clutch or two-way ratchet wheel overrunning clutch,

Described unidirectional ratchet wheel overrunning clutch, the cylindrical assembling ratchet holder of ratchet wheel, ratchet holder is by left clamping plate and right clamping plate assembling ratchet, ratchet is assemblied in ratchet holder internal round chamber to an identical sense of rotation circumferential arrangement by big spring and the connection of little spring, one end of big spring contacts with the one side of ratchet, the other end of big spring contacts with power pawl or contacts with pawl base, big spring around snare on the little axle of ratchet side, one end of little spring contacts with the another side of ratchet, the other end of little spring with ratchet holder contact, little spring around snare on the little axle of another side of ratchet, the elasticity heading that pawl dish is provided with concave surface and ratchet holder assembling is adaptive, the shaft hole sleeve of pawl dish is at the cylindrical of ratchet wheel one end block set, block set is provided with internal spline and the assembling of driven shaft male spline, block set is provided with outer lug boss rank and outer jump-ring slot is slidably matched assembling pawl dish, ratchet wheel the other end periphery assembling overcoat cover, overcoat is covered with and stops every assembling arc block with annulus back-up ring by steel leaf-spring, ratchet wheel frame is provided with round block set and arc block adaptation,

Described two-way ratchet wheel overrunning clutch is superposing type two-way ratchet wheel overrunning clutch or the two-way ratchet wheel overrunning clutch of arranged type,

Described superposing type two-way ratchet wheel overrunning clutch is that by two, two unidirectional ratchet wheel overrunning clutches are surmounted sense of rotation superposition assembling, arrange between positive rotation ratchet holder and despining ratchet holder that middle splint is axially superimposed to be assembled together, positive rotation ratchet holder rotates forward ratchet by left clamping plate and middle splint assembling, despining ratchet holder is by right clamping plate and middle splint assembling reversion ratchet, circumferential direction rotates forward ratchet center alternate with reversion ratchet assembling, power pawl circle distribution is axially inserted in and rotates forward between pawl base and reversion pawl base, it is adaptive with the concave surface of pawl dish that positive rotation ratchet holder or despining ratchet holder are equipped with elasticity heading,

4. automatic transmission according to claim 1, is characterized in that: described end face tooth papillae wheel mechanism is unidirectional end face tooth papillae wheel overrunning clutch or Bidirectional end face tooth papillae wheel overrunning clutch,

Described unidirectional end face tooth papillae wheel overrunning clutch, driven ratchet is arranged on follower gear end face or fixes with driven shaft, driven ratchet or its synchronous axial system part arrange overcoat cover, overcoat cover internal round chamber circumferential arrangement arranges and stops every assembling arc block by steel leaf-spring, every two stop every between assembling an arc block, initiatively ratchet is provided with round block set and arc block adaptation, initiatively ratchet cylindrical is coordinated by spiral tooth with the inner headed face of outer ring gear, the male spline assembling that driven ratchet is provided with block set and driven shaft is fixing, initiatively the round block set of ratchet is slidably matched on the block set cylindrical being enclosed within driven ratchet, initiatively the round block set of ratchet can with arc block Frictional Slipping,

5. automatic transmission according to claim 1, is characterized in that: described end face tooth papillae wheel mechanism is unidirectional end face tooth papillae wheel overrunning clutch or Bidirectional end face tooth papillae wheel overrunning clutch,

Described unidirectional end face tooth papillae wheel overrunning clutch, driven ratchet is arranged on second gear follower gear end face or fixes with driven shaft, adaptation is engaged with active ratchet, one grade of fixing outer spiral tooth block set in follower gear one end, outer spiral tooth block set is slidably matched and is enclosed within driven shaft and is assembled by pillow block rank and outer back-up ring, driven ratchet cylindrical assembling fixed jacket cover, overcoat cover is arranged and stops and be enclosed within the cylindrical of initiatively ratchet every being assembled multiple arc block or multiple arc block by steel leaf-spring by circle hoop spring, initiatively ratchet cylindrical is provided with the concave surface of the steel leaf-spring arc convex adaptation fixing with one grade of follower gear, surmounting state steel leaf-spring arc convex in transmission is pressed on the concave surface of initiatively ratchet cylindrical,

Described Bidirectional end face tooth papillae wheel overrunning clutch, right driven ratchet is arranged on second gear follower gear left side, adaptation is engaged with the right-hand member of active ratchet, left driven ratchet is arranged on the left end of initiatively ratchet and one grade of follower gear, one grade of fixing outer spiral tooth block set of follower gear right-hand member, outer spiral tooth block set is slidably matched and is enclosed within driven shaft and is assembled by pillow block rank and outer back-up ring, one grade of follower gear and outer spiral tooth block set fixed position circumferential arrangement are provided with multiple through hole, initiatively the left end of ratchet is provided with multiple ratchet hock and can be each passed through through hole ratchet driven with a left side and engage, left driven ratchet is fixed on driven shaft, right driven ratchet cylindrical assembling fixed jacket cover, overcoat cover arranges and stops every the multiple arc block of assembling, arc block is enclosed within the cylindrical of initiatively ratchet by circle reed spring, initiatively ratchet cylindrical is provided with the concave surface of the steel leaf-spring arc convex adaptation fixing with one grade of follower gear right-hand member, surmount state steel leaf-spring arc convex in transmission to be pressed on the concave surface of initiatively ratchet cylindrical.

6. automatic transmission according to claim 1, is characterized in that: described operating device is steel ball incline device or spiral tooth spring assembly,

Described steel ball incline device, steel ball groove coordinates with steel ball pawl, steel ball rack is provided with block set, and block set is provided with inner rack and is assemblied on the axle of shelves position, and block set cylindrical is circumferentially distributed with multiple steel ball groove, steel ball rack cylindrical right-hand member is provided with location pawl, location pawl protrudes to right-hand member, and multiple location pawl and multiple positioning sliding block are slidably matched, and multiple positioning sliding block and multiple steel ball pawl circle distribution are located at the inner headed face of movable sleeving, the circular arc face of steel ball groove is provided with opening, is provided with V shape opening between circle distribution steel ball groove; Steel ball groove and the assembling of corresponding steel ball pawl, the steel ball of steel ball groove dress contacts with steel ball pawl working face, steel ball pawl is provided with the facet vertical with axial line, facet contacts with annulus packing ring, annulus packing ring inner headed face and shelves position axle are slidably matched, annulus packing ring contacts with outer cone surface cover, and outer cone surface cover contacts with the stage clip of compression;

Described spiral tooth spring assembly is one-way spiral tooth spring assembly or bidirectional screw tooth spring assembly,

Described one-way spiral tooth spring assembly, second gear driving toothed gear is slidably matched by the pillow block rank of shelves position axle and positioning retainer ring and is assemblied on the axle of shelves position, the inner cone surface cover that second gear driving toothed gear left end is fixed is sleeved in outer cone surface cover, outer cone surface cover is assemblied on the outer one-way spiral tooth of shelves position axle by interior one-way spiral tooth, outer cone surface cover inner circle left side and annulus back-up ring right side are equipped with the stage clip of compression, and the outer back-up ring that annulus back-up ring left end assembles with the outer jump-ring slot of shelves position axle contacts;

7. automatic transmission according to claim 1, is characterized in that: described twin shaft second gear transmission is that rotating speed becomes shelves differential speed motor or moment of torsion becomes shelves differential speed motor,

Described rotating speed becomes shelves differential speed motor, left half shell is provided with the circular hole through shelves position axle and ring flange, cylindrical cap and ring flange are fixed, bearing support it is provided with bottom cylindrical cap, by bearing assemble shelves position axle inside machine shell, driven shaft always becomes with differential mechanism master wheel, shelves position axle is axially equipped with steel ball incline device successively, conical clutch, shelves position axle right-hand member is connected with motor shaft, outer cone surface cover is assemblied on the axle of shelves position by inner rack axial sliding fit, outer cone surface cover left end contacts with annulus packing ring or assembles annulus rubber pad between outer cone surface cover left end and annulus packing ring, outer cone surface cover right-hand member contacts with the stage clip of compression, the inner cone surface cover that outer cone surface cover and second gear driving toothed gear are fixed is adaptive, one grade of driving toothed gear is fixed on the axle of shelves position, second gear driving toothed gear engages with second gear follower gear, one grade of driving toothed gear engages with one grade of follower gear, second gear follower gear is fixed on driven shaft, one grade of follower gear is assemblied on driven shaft by toothed type ratchet mechanism, driven shaft is provided with shaft gear and engages with differential mechanism master wheel,

8. automatic transmission according to claim 1, it is characterized in that: described epicyclic train gear train assembly is second gear wheel hub motor, motor coil is fixed by coil stand and stationary shaft, shelves position axle is that tubular shaft is rotatably assorted and is enclosed within stationary shaft, shelves position axle is equipped with spiral tooth spring assembly and conical clutch, motor rotor is assemblied on the axle of shelves position, asteroid wheel engages with ring gear while engaging with second gear driving toothed gear, major planets wheel engages with one grade of driving toothed gear, asteroid wheel is fixed on planet wheel shaft, major planets wheel is assemblied on planet wheel shaft by toothed type ratchet mechanism, planet wheel shaft is rotatably assorted and is contained on planet carrier, the motor rotor-end of shelves position axle arranges obstruct frame, obstruct frame and shelves position axle are rotatably assorted by bearing and oil sealing, shelves position axle left end and stationary shaft are rotatably assorted by bearing and oil sealing, right end cap and stationary shaft are rotatably assorted, left end cap and stationary shaft are rotatably assorted, intercept frame and right end cap, left end cap assembling is bolted.

9. automatic transmission according to claim 1, is characterized in that: the ratchet tail end swung in described internal tooth ratchet mechanism or ratchet wheel mechanism is fixed with the counterbalance weight of centrifugal force, and when preventing centrifugal force size variation, ratchet produces to freely swing.

10. automatic transmission according to claim 1, is characterized in that: described end face tooth papillae wheel mechanism is unidirectional end face tooth papillae wheel overrunning clutch or Bidirectional end face tooth papillae wheel overrunning clutch,

Described unidirectional end face tooth papillae wheel overrunning clutch, driven ratchet is fixed by spline and driven shaft, driven ratchet engages adaptation with initiatively ratchet two end faces in opposite directions, outer spiral tooth block set is fixed in follower gear one end, outer spiral tooth block set is slidably matched and is enclosed within driven shaft and is assembled by pillow block rank and outer back-up ring, initiatively ratchet overlaps outside in spiral tooth block set by spiral tooth, driven ratchet cylindrical fixed jacket cover, overcoat cover is arranged and stops and be enclosed within the cylindrical of initiatively ratchet every being assembled multiple arc block or multiple arc block by steel leaf-spring by circle hoop spring, initiatively ratchet cylindrical is provided with concave surface or the concave ring groove of the steel leaf-spring arc convex adaptation fixing with follower gear, surmount on concave surface or concave ring groove that state steel leaf-spring arc convex is pressed in initiatively ratchet cylindrical in transmission,

Described Bidirectional end face tooth papillae wheel overrunning clutch, right driven ratchet is fixed on driven shaft by spline, adaptation is engaged with the right-hand member of active ratchet, left driven ratchet is arranged on the left end of initiatively ratchet and follower gear, follower gear right-hand member fixes outer spiral tooth block set, outer spiral tooth block set is slidably matched by pillow block rank and outer back-up ring and is enclosed within driven shaft, initiatively ratchet overlaps outside in spiral tooth block set by spiral tooth, follower gear and outer spiral tooth block set fixed position circumferential arrangement are provided with multiple through hole, initiatively the left end of ratchet is provided with multiple ratchet hock and can be each passed through through hole ratchet driven with a left side and engage, left driven ratchet is fixed on driven shaft, right driven ratchet cylindrical fixed jacket cover, overcoat cover arranges and stops every the multiple arc block of assembling, arc block is enclosed within the cylindrical of initiatively ratchet by circle hoop spring, initiatively ratchet cylindrical is provided with the concave ring groove of the steel leaf-spring arc convex adaptation fixing with follower gear right-hand member, surmount state steel leaf-spring arc convex in transmission to be pressed on the concave ring groove of initiatively ratchet cylindrical.