CN104976305A

CN104976305A - Continuously variable transmission

Info

Publication number: CN104976305A
Application number: CN201510389852.9A
Authority: CN
Inventors: 吴志强
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-07-07
Filing date: 2015-07-07
Publication date: 2015-10-14
Also published as: HK1211666A1

Abstract

The invention provides a continuously variable transmission. According to the technical scheme, an input shaft (1) is linked with an input element (21) and a first input element (91), an output element is linked with a variable shaft (7), the variable shaft (7) is linked with the input end (31) of a hydraulic transmission device (3) and a second input element (92), the output end (32) of the hydraulic transmission device (3) is linked with an acceleration element, and a speed gathering element (93) is linked with an output shaft (6).

Description

A kind of stepless speed variator

Technical field

The invention belongs to hydraudynamic drive field, more particularly, it is a kind of stepless speed variator for various surface car, boats and ships, railway locomotive, engineering machinery, various space flight, handling machinery, lathe, robot and military project.

Background technique

At present, the power that conventional hydraudynamic drive can be transmitted is little, and efficiency is not high; In addition, the slewing range of these fluid torque converters is little.

Summary of the invention

Instant invention overcomes the deficiencies in the prior art, provide a kind of working life extending motor and power train, structure is simple, and manipulation is convenient, low cost, the stepless speed variator of efficient energy-saving.

In order to realize object of the present invention, below the technical solution used in the present invention:

One of technological scheme: a kind of stepless speed variator, it comprises input shaft (1), converge fast unit (2), hydraulic transmission device (3), output shaft (6), variable-speed shaft (7) and variable-speed unit (9), be provided with between described input shaft (1) and output shaft (6) and converge fast unit (2), hydraulic transmission device (3), variable-speed shaft (7) and variable-speed unit (9), the fast unit of described remittance (2) comprises input element (21), output element (22) and raising speed element (23), the fast unit (2) that converges is by element cooperating required separately, described variable-speed unit (9) comprises the first input element (91), second input element (92) and the fast element (93) that converges, variable-speed unit (9) is by element cooperating required separately, input shaft (1) connects with input element (21) and the first input element (91) respectively, output element (22) connects with variable-speed shaft (7), variable-speed shaft (7) connects with the input end (31) of hydraulic transmission device (3) and the second input element (92) respectively, the output terminal (32) of hydraulic transmission device (3) connects with raising speed element (23), the fast element (93) that converges connects with output shaft (6).

Technological scheme two: a kind of stepless speed variator, it comprises input shaft (1), converge fast unit (2), hydraulic transmission device (3), output shaft (6), variable-speed shaft (7) and variable-speed unit (9), be provided with between described input shaft (1) and output shaft (6) and converge fast unit (2), hydraulic transmission device (3), variable-speed shaft (7) and variable-speed unit (9), the fast unit of described remittance (2) comprises input element (21), output element (22) and raising speed element (23), the fast unit (2) that converges is by element cooperating required separately, described variable-speed unit (9) comprises the first input element (91), second input element (92) and the fast element (93) that converges, variable-speed unit (9) is by element cooperating required separately, input shaft (1) connects with input element (21) and the first input element (91) respectively, output element (22) connects with the input end (31) of variable-speed shaft (7) and hydraulic transmission device (3) respectively, the output terminal (32) of hydraulic transmission device (3) connects with raising speed element (23), variable-speed shaft (7) connects with the second input element (92), the fast element (93) that converges connects with output shaft (6).

Technological scheme three: a kind of stepless speed variator, it comprises input shaft (1), converge fast unit (2), hydraulic transmission device (3), output shaft (6), variable-speed shaft (7), variable-speed unit (9), first unidirectional element (13) and the second unidirectional element (14), be provided with between described input shaft (1) and output shaft (6) and converge fast unit (2), hydraulic transmission device (3), variable-speed shaft (7), variable-speed unit (9), first unidirectional element (13) and the second unidirectional element (14), the fast unit of described remittance (2) comprises input element (21), output element (22) and raising speed element (23), the fast unit (2) that converges is by element cooperating required separately, described variable-speed unit (9) comprises the first input element (91), second input element (92) and the fast element (93) that converges, variable-speed unit (9) is by element cooperating required separately, input shaft (1) respectively with input element (21), the input end (131) of the first input element (91) and the first unidirectional element (13) connects, output element (22) connects with variable-speed shaft (7), variable-speed shaft (7) connects with the input end (141) of the second input element (92) and the second unidirectional element (14) respectively, the output terminal (132) of the first unidirectional element (13) and the output terminal (142) of the second unidirectional element (14) connect with the input end (31) of hydraulic transmission device (3), the output terminal (32) of hydraulic transmission device (3) connects with raising speed element (23), the fast element (93) that converges connects with output shaft (6).

Technological scheme four: a kind of stepless speed variator, it comprises input shaft (1), converge fast unit (2), hydraulic transmission device (3), output shaft (6), variable-speed shaft (7), variable-speed unit (9), first unidirectional element (13) and the second unidirectional element (14), be provided with between described input shaft (1) and output shaft (6) and converge fast unit (2), hydraulic transmission device (3), variable-speed shaft (7) variable-speed unit (9), first unidirectional element (13) and the second unidirectional element (14), the fast unit of described remittance (2) comprises input element (21), output element (22) and raising speed element (23), the fast unit (2) that converges is by element cooperating required separately, described variable-speed unit (9) comprises the first input element (91), second input element (92) and the fast element (93) that converges, variable-speed unit (9) is by element cooperating required separately, input shaft (1) respectively with input element (21), the input end (131) of the first input element (91) and the first unidirectional element (13) connects, output element (22) connects with the input end (141) of variable-speed shaft (7) and the second unidirectional element (14) respectively, variable-speed shaft (7) connects with the second input element (92), the output terminal (132) of the first unidirectional element (13) and the output terminal (142) of the second unidirectional element (14) connect with the input end (31) of hydraulic transmission device (3), the output terminal (32) of hydraulic transmission device (3) connects with raising speed element (23), the fast element (93) that converges connects with output shaft (6).

Described input path of the present invention, refers to: during engine start, and input shaft (1) is just delivered to input element (21) and the first input element (91) input power.

Described outgoing route of the present invention, refers to: the power exported by input output element (22) through some elements, finally by the path that variable-speed shaft (7) externally exports.

Described backflow raising speed path of the present invention, refers to: the power exported by output element (22), by some elements, is finally delivered to the path of raising speed element (23).

The effect in backflow raising speed path is: when making the output speed of output element (22) be delivered to raising speed element (23), energy raising speed is to setting value, thus make the input speed of raising speed element (23) and input element (21) converge speed when output element (22), the rotating speed of output element (22) can constantly raise, and between each element, constantly carry out the iterative cycles of speed change, thus the rotating speed of each element on outgoing route and backflow raising speed path is constantly raised, stepless and unlimited speed change is externally realized eventually through variable-speed shaft (7) and output shaft (6).

Described first input path of the present invention and the second input path of the present invention, refer to: during by engine start, and input shaft (1) is two-way the power dividing being delivered to this, and a road is delivered to input element (21); Separately lead up to the first unidirectional element (13) or and some elements be delivered to raising speed element (23).

Described input path of the present invention, outgoing route and backflow raising speed path, should comprise the element that each needs connect, their selected methods connected, thus all elements selected; Wherein, several elements among various dissimilar driving mechanism, unidirectional element, hitch or joining shaft are included but not limited to.

Due in backflow raising speed path of the present invention, rotating ratio between raising speed element (23) and output element (22), the size of the rotating ratio between final velocity ratio variable-speed shaft (7) of the present invention and input shaft (1) will be determined, the power that rotating ratio between raising speed element (23) and output element (22) and motor input is enough large, the rotating ratio that just can realize between variable-speed shaft of the present invention (7) and input shaft (1) is infinitely great, namely the height that the rotating speed exported is stepless and unlimited, therefore, output shaft 6 and power train are transferred to the rotating ratio between driving wheel, should be arranged to enough large, namely the gear of Ultra-Low Speed is arranged to, that is, the present invention can realize stepless and unlimited speed change.

W=(W1Z+Q)/(1+K); W---represent the rotating ratio between output element (22) and input element (21), W=n22/n21; W1---represents the transient speed ratio between output element (22) and input element (21), W 1=n22/n21; Z---represent the rotating ratio between raising speed element (23) and output element (22), Z=n23/n22, namely described setting value; K---represent gear ring or the gear ratio between gear O23 and sun gear O21, K=O23/O21; Q---represent when input element (21) is for sun gear, its value is 1; Otherwise its value is K.

Rotating ratio between output element (22) and input element (21), can calculate from above formula according to truth condition and obtain, also can obtain from practice, known from above formula, when differential mechanism is selected in the fast unit of remittance (2), i.e. Q=1, K=1, now, when Z is less than 2, above formula then can obtain determined value; When Z is greater than or equal to 2, above formula is then negative value or inequality; That is, when Z selects to be greater than or equal to 2, the rotating ratio between output element (22) and input element (21), the rotating ratio namely between variable-speed shaft (7) and input shaft (1), can constantly infinite increase, thus realize infinitely and infinitely speed change.

The fast unit of described remittance (2) and variable-speed unit (9) can select planetary gear mechanism, few tooth difference transmission mechanism, cycloidal-pin wheel planetary gearing mechanism or harmonic gear drive mechanism, converge the input element (21) of fast unit (2), first input element (91) of output element (22) and raising speed element (23) and variable-speed unit (9), second input element (92) and the fast element (93) that converges, can from the above-mentioned planetary gear mechanism of formation, few tooth difference transmission mechanism, select in the primary element of cycloidal-pin wheel planetary gearing mechanism or harmonic gear drive mechanism, they play the fast effect that converges.

The element that each needs described connect, can select the method directly connected, or select the indirect method connected, or select to increase the method connected; The method of described direct connection, refers to: need two elements connected, can select direct connection, make them link together; When they are by some other element separate, can, by the mode of hollow, through some other elements, them be made to link together; The method of described indirect connection, refers to: need two elements connected, and can select to increase several elements among suitable driving mechanism, joining shaft and hitch, make them link together; The described method increasing connection, refers to: need two elements connected, after linking together, can select to increase and use unidirectional element, make them link together, the output terminal of unidirectional element and they link together, the input end of unidirectional element connects with fixed element.

Described input shaft (1), converge fast unit (2), hydraulic transmission device (3), output shaft (6), variable-speed shaft (7), variable-speed unit (9), the first unidirectional element (13) and the second unidirectional element (14) and all the other each elements in order to make them link together, different spaces can be arranged in, namely they can be at same central axis, or on different central axis, now, according to their position, suitable joining method should be selected.

Described hydraulic transmission device (3) can select fluid torque converter, fluid coupling, pressure motor and oil hydraulic pump and various dissimilar automatically controlled or hydraulic control clutch.

Described unidirectional element, namely unidirectional element (11), the first unidirectional element (13) and the second unidirectional element (14) can select various dissimilar clutch, and it includes but not limited to free wheel device, overrunning clutch; The effect of unidirectional element (11) is: because the input end (111) of unidirectional element (11) connects with fixed element, plays restriction and turns to, make turning to of raising speed element (23) can not be contrary with turning to of input element (21); The effect of the first unidirectional element (13) and the second unidirectional element (14) is: when the second unidirectional element passes rotating speed higher than the first unidirectional element (13) of the rotating speed of (10), do not have power transimission to hydraulic transmission device (3).

Owing to forming the fast unit of remittance (2), hydraulic transmission device (3), variable-speed unit (9), first unidirectional element (13) and the second unidirectional element (14) all have above-mentioned multiple different choice, and the joining method between each element of the present invention, all there is above-mentioned multiple different choice, so multiple different mode of execution can be combined into, therefore, they are inevitable all at the protection domain of claim, and following embodiment is some wherein, that is, the protection domain of claim of the present invention includes but not limited to following embodiment.

When the present invention is applied to vehicle, when the present invention can travel according to vehicle input power change and be subject to drag size, automatically, infinitely change velocity ratio.

The present invention has following advantage:

(1) the present invention does not have other gear shift and operating mechanism, and therefore structure is simple, be conducive to reducing the cost manufactured, be easier to maintenance, and manipulation is convenient;

(2) motor of the present invention power major part by high efficiency and can transmit the fast unit of powerful remittance (2) transmission, displacement and speed change automatically complete, high efficiency, powerful variable transmission can be realized, compared with other stepless speed variator, under the prerequisite of motor equivalence, that reduce the manufacture cost of motor;

(3) the present invention is by stepless change, motor is in economic speed region and operates, namely work in the speed range of very little disposal of pollutants, avoid motor when idling and high speed operation, discharge large quantity of exhaust gas, thus decrease the discharge of waste gas, be conducive to protection of the environment;

(4) the present invention can utilize inner speed discrepancy to play buffering and overload protection, is conducive to the working life extending motor and power train, in addition, when running resistance increases, then can make the automatic reduction of speed of vehicle, on the contrary then raising speed, be conducive to the rideability improving vehicle;

(5) the present invention is by stepless change, makes input power uninterrupted, can ensure that vehicle has good acceleration and higher average speed, the wearing and tearing of motor be reduced, extends interval mileage of major repair, improve bus dispatching rate, be conducive to boosting productivity.

In addition, the present invention is a kind of stepless speed variator that also can be used for various surface car, boats and ships, railway locomotive, engineering machinery, various space flight, handling machinery, lathe, robot and military project.

Accompanying drawing explanation

In the accompanying drawings, Fig. 1 is the structural representation of the embodiment of the present invention one; Fig. 2 is the structural representation of the embodiment of the present invention two; Fig. 3 is the structural representation of the embodiment of the present invention three; Fig. 4 is the structural representation of the embodiment of the present invention four; Fig. 5 is the structural representation of the embodiment of the present invention five; Fig. 6 is the structural representation of the embodiment of the present invention six; Fig. 7 is the structural representation of the embodiment of the present invention seven; Fig. 8 is the structural representation of the embodiment of the present invention eight; Fig. 9 is the structural representation of the embodiment of the present invention nine; Figure 10 is the structural representation of the embodiment of the present invention ten.

Embodiment

Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail:

In each enforcement of the present invention, described remittance speed unit 2 and variable-speed unit 9 all select planetary gear mechanism; Described hydraulic transmission device 3 all selects fluid torque converter; Described input shaft 1 connects with input element 21, selects the method directly connected, makes them link together, thus form input path or first input path of each embodiment; Described input shaft 1 connects with the input end 131 of the first unidirectional element 13, selects the method directly connected, and namely input shaft 1 is selected directly or by the mode of hollow, through other element, made them link together; The described output terminal 142 of the second unidirectional element 14 connects with the input end 31 of hydraulic transmission device 3, selects the method directly connected, makes them link together; The fast element 93 of described remittance connects with output shaft 6, selects the method directly connected, makes them link together.

Embodiment one, embodiment two, embodiment three: as shown in Figure 1 to Figure 3, selected technology scheme one: a kind of stepless speed variator, and it comprises input shaft 1, converge fast unit 2, hydraulic transmission device 3, output shaft 6, variable-speed shaft 7 and variable-speed unit 9, be provided with between described input shaft 1 and output shaft 6 and converge fast unit 2, hydraulic transmission device 3, variable-speed shaft 7 and variable-speed unit 9, the fast unit 2 of described remittance comprises input element 21, output element 22 and raising speed element 23, converge fast unit 2 by element cooperating required separately, described variable-speed unit 9 comprises the first input element 91, second input element 92 and the fast element 93 that converges, variable-speed unit 9 is by element cooperating required separately, input shaft 1 connects with input element 21 and the first input element 91 respectively, output element 22 connects with variable-speed shaft 7, variable-speed shaft 7 connects with the input end 31 of hydraulic transmission device 3 and the second input element 92 respectively, the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, and the fast element 93 that converges connects with output shaft 6.

Embodiment one: as shown in fig. 1, selected technology scheme one, and described input shaft 1 connects with the first input element 91, and select the method directly connected, namely input shaft 1 selects the mode by hollow, through other element, makes them link together.

Described output element 22 connects with variable-speed shaft 7, selects the method indirectly connected, namely selects input gear driving mechanism 4 and hitch 8, make them link together, thus forms the outgoing route of the present embodiment; It comprises input gear driving mechanism 4 and hitch 8; Wherein, output element 22 is connected with hitch 8, and hitch 8 is connected with the input end 41 of input gear driving mechanism 4, and the output terminal 42 of input gear driving mechanism 4 is connected with variable-speed shaft 7.

Described variable-speed shaft 7 connects with the second input element 92, selects the method indirectly connected, namely selects output gear 10, make them link together; Wherein, output gear 10 is connected with variable-speed shaft 7, and output gear 10 engages with the second input element 92.

Described variable-speed shaft 7 connects with the input end 31 of hydraulic transmission device 3, selects the method indirectly connected, namely selects output gear driving mechanism 5, make them link together; Wherein, variable-speed shaft 7 is connected with the input end 51 of output gear driving mechanism 5, and the output terminal 52 of output gear driving mechanism 5 is connected with the input end 31 of hydraulic transmission device 3.

The output terminal 32 of described hydraulic transmission device 3 connects with raising speed element 23, selects the method increasing and connect, namely selects unidirectional element 11, make them link together; Wherein, the output terminal 32 of hydraulic transmission device 3 connects with the output terminal 112 of raising speed element 23 and unidirectional element 11, and the input end 111 of unidirectional element 11 connects with fixed element.

Described output element 22 connects with variable-speed shaft 7, and variable-speed shaft 7 connects with the input end 31 of hydraulic transmission device 3, and the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, thus forms the backflow raising speed path of the present embodiment; It comprises input gear driving mechanism 4, output gear driving mechanism 5, hitch 8 and unidirectional element 11.

The input power of motor, through input shaft 1, is two-way the power dividing being delivered to this, and a road is delivered to the first input element 91, and another road is delivered to input element 21, is namely delivered to the input path of the present embodiment; Again by the planetary pinion that converges on fast unit 2 power transimission to output element 22, output element 22 is two-way the power dividing being delivered to this, leading up to hitch 8 and input gear driving mechanism 4 is delivered to variable-speed shaft 7, is namely delivered to the outgoing route of the present embodiment; Variable-speed shaft 7, again by being delivered to output gear 10, is delivered to the second input element 92; Separately leading up to hitch 8 and input gear driving mechanism 4 is delivered to variable-speed shaft 7, variable-speed shaft 7 is again by output gear driving mechanism 5, be delivered to hydraulic transmission device 3, hydraulic transmission device 3 is delivered to raising speed element 23 again, is namely delivered to the backflow raising speed path of the present embodiment; Be delivered to the power in backflow raising speed path and be delivered to the power of input path, all be delivered to output element 22 by the planetary pinion converged on fast unit 2, output element 22 repeats said process again, the rotating speed making to be delivered to raising speed element 23 and output element 22 is the infinitely speed change with the change of input power, running resistance constantly, and be delivered to variable-speed shaft 7, thus the rotating speed being delivered to the second input element 92 is changed thereupon; Now, be delivered to the power of the first input element 91 and be delivered to the power of the second input element 92, all be delivered to by the planetary pinion on variable-speed unit 9 and converge fast element 93, and be passed to the output shaft 6 of the present embodiment, thus achieve the power of motor is externally exported by output shaft 6.

Embodiment two: as shown in Figure 2, selected technology scheme one, the working principle of the present embodiment and embodiment one, the input path forming the present embodiment are identical with the outgoing route forming the present embodiment, difference is in the backflow raising speed path of the present embodiment two, do not select to increase and use unidirectional element 11, namely the output terminal 32 of described hydraulic transmission device 3 connects with raising speed element 23, selects the method directly connected, makes them link together.

Described output element 22 connects with variable-speed shaft 7, and variable-speed shaft 7 connects with the input end 31 of hydraulic transmission device 3, and the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, thus forms the backflow raising speed path of the present embodiment; It comprises input gear driving mechanism 4, output gear driving mechanism 5 and hitch 8.

Embodiment three: as shown in Figure 3, selected technology scheme one, and described input shaft 1 connects with the first input element 91, select the method indirectly connected, namely select output gear driving mechanism 5 and output gear 10, make them link together; Wherein, input shaft 1 is connected with the input end 51 of output gear driving mechanism 5, and the output terminal 52 of output gear driving mechanism 5 is connected with output gear 10, and output gear 10 engages with the first input element 91.

Described output element 22 connects with variable-speed shaft 7, selects the method directly connected, makes them link together, thus forms the outgoing route of the present embodiment.

Described variable-speed shaft 7 connects with the second input element 92, selects the method directly connected, makes them link together.

Described variable-speed shaft 7 connects with the input end 31 of hydraulic transmission device 3, selects the method indirectly connected, namely selects input planet gear driving mechanism 12, make them link together; Wherein, variable-speed shaft 7 is connected with the input end 121 of input planet gear driving mechanism 12, and the output terminal 122 of input planet gear driving mechanism 12 is connected with the input end 31 of hydraulic transmission device 3.

Described output element 22 connects with variable-speed shaft 7, and variable-speed shaft 7 connects with the input end 31 of hydraulic transmission device 3, and the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, thus forms the backflow raising speed path of the present embodiment; It comprises unidirectional element 11 and input planet gear driving mechanism 12.

The input power of motor, through input shaft 1, is two-way the power dividing being delivered to this, leads up to output gear driving mechanism 5 and be delivered to output gear 10, then is delivered to the first input element 91; Another road is delivered to input element 21, is namely delivered to the input path of the present embodiment; Again by the planetary pinion that converges on fast unit 2 power transimission to output element 22, output element 22 is two-way the power dividing being delivered to this, and a road is delivered to variable-speed shaft 7, is namely delivered to the outgoing route of the present embodiment; Variable-speed shaft 7 is delivered to the second input element 92 again; Another road is delivered to variable-speed shaft 7, and variable-speed shaft 7 is again by input planet gear driving mechanism 12, and be delivered to hydraulic transmission device 3, hydraulic transmission device 3 is delivered to raising speed element 23 again, is namely delivered to the backflow raising speed path of the present embodiment; Be delivered to the power in backflow raising speed path and be delivered to the power of input path, all be delivered to output element 22 by the planetary pinion converged on fast unit 2, output element 22 repeats said process again, the rotating speed making to be delivered to raising speed element 23 and output element 22 is the infinitely speed change with the change of input power, running resistance constantly, and be delivered to variable-speed shaft 7, thus the rotating speed being delivered to the second input element 92 is changed thereupon; Now, be delivered to the power of the first input element 91 and be delivered to the power of the second input element 92, all be delivered to by the planetary pinion on variable-speed unit 9 and converge fast element 93, and be passed to the output shaft 6 of the present embodiment, thus achieve the power of motor is externally exported by output shaft 6.

Embodiment four: as shown in Figure 4, selected technology scheme two, a kind of stepless speed variator, it comprises input shaft 1, converge fast unit 2, hydraulic transmission device 3, output shaft 6, variable-speed shaft 7 and variable-speed unit 9, be provided with between described input shaft 1 and output shaft 6 and converge fast unit 2, hydraulic transmission device 3, variable-speed shaft 7 and variable-speed unit 9, the fast unit 2 of described remittance comprises input element 21, output element 22 and raising speed element 23, converge fast unit 2 by element cooperating required separately, described variable-speed unit 9 comprises the first input element 91, second input element 92 and the fast element 93 that converges, variable-speed unit 9 is by element cooperating required separately, input shaft 1 connects with input element 21 and the first input element 91 respectively, output element 22 connects with the input end 31 of variable-speed shaft 7 and hydraulic transmission device 3 respectively, the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, variable-speed shaft 7 connects with the second input element 92, the fast element 93 that converges connects with output shaft 6.

Described input shaft 1 connects with the first input element 91, and select the method directly connected, namely input shaft 1 selects the mode by hollow, through other element, makes them link together.

Described output element 22 connects with variable-speed shaft 7, selects the method directly connected, makes them link together.

The fast element 93 of described remittance connects with output shaft 6, selects the method directly connected, makes them link together.

Described output element 22 connects with the input end 31 of hydraulic transmission device 3, selects the method indirectly connected, namely selects hitch 8 and input planet gear driving mechanism 12, make them link together; Wherein, output element 22 is connected with hitch 8, and hitch 8 is connected with the input end 121 of input planet gear driving mechanism 12, and the output terminal 122 of input planet gear driving mechanism 12 is connected with the input end 31 of hydraulic transmission device 3.

The output terminal 32 of described hydraulic transmission device 3 connects with raising speed element 23, selects the method increasing and connect, and namely selects to increase to use unidirectional element 11, makes them link together; Wherein, the output terminal 32 of hydraulic transmission device 3 connects with the output terminal 112 of raising speed element 23 and unidirectional element 11, and the input end 111 of unidirectional element 11 connects with fixed element.

Described output element 22 connects with the input end 31 of hydraulic transmission device 3, and the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, thus forms the backflow raising speed path of the present embodiment; It comprises hitch 8, unidirectional element 11 and input planet gear driving mechanism 12.

The input power of motor, through input shaft 1, is two-way the power dividing being delivered to this, and a road is delivered to the first input element 91, and another road is delivered to input element 21, is namely delivered to the input path of the present embodiment; Again by the planetary pinion that converges on fast unit 2 power transimission to output element 22, output element 22 is two-way the power dividing being delivered to this, and a road is delivered to variable-speed shaft 7, is namely delivered to the outgoing route of the present embodiment; Variable-speed shaft 7 is delivered to the second input element 92 again; Separately lead up to hitch 8 and input planet gear driving mechanism 12, be delivered to hydraulic transmission device 3, hydraulic transmission device 3 is delivered to raising speed element 23 again, is namely delivered to the backflow raising speed path of the present embodiment; Be delivered to the power in backflow raising speed path and be delivered to the power of input path, all be delivered to output element 22 by the planetary pinion converged on fast unit 2, output element 22 repeats said process again, the rotating speed making to be delivered to raising speed element 23 and output element 22 is the infinitely speed change with the change of input power, running resistance constantly, and be delivered to variable-speed shaft 7, thus the rotating speed being delivered to the second input element 92 is changed thereupon; Now, be delivered to the power of the first input element 91 and be delivered to the power of the second input element 92, all be delivered to by the planetary pinion on variable-speed unit 9 and converge fast element 93, and be passed to the output shaft 6 of the present embodiment, thus achieve the power of motor is externally exported by output shaft 6.

Embodiment five, embodiment six: as shown in Fig. 5 to Fig. 6, selected technology scheme three, a kind of stepless speed variator, and it comprises input shaft 1, converge fast unit 2, hydraulic transmission device 3, output shaft 6, variable-speed shaft 7, variable-speed unit 9, first unidirectional element 13 and the second unidirectional element 14, is provided with between described input shaft 1 and output shaft 6 and converges fast unit 2, hydraulic transmission device 3, variable-speed shaft 7, variable-speed unit 9, first unidirectional element 13 and the second unidirectional element 14, the fast unit 2 of described remittance comprises input element 21, output element 22 and raising speed element 23, converge fast unit 2 by element cooperating required separately, described variable-speed unit 9 comprises the first input element 91, second input element 92 and the fast element 93 that converges, variable-speed unit 9 by element cooperating required separately, input shaft 1 respectively with input element 21, the input end 131 of the first input element 91 and the first unidirectional element 13 connects, output element 22 connects with variable-speed shaft 7, variable-speed shaft 7 connects with the input end 141 of the second input element 92 and the second unidirectional element 14 respectively, the output terminal 132 of the first unidirectional element 13 and the output terminal 142 of the second unidirectional element 14 connect with the input end 31 of hydraulic transmission device 3, the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, and the fast element 93 that converges connects with output shaft 6.

Embodiment five: as shown in Figure 5, selected technology scheme three, and described input shaft 1 connects with the first input element 91, and select the method directly connected, namely input shaft 1 selects the mode by hollow, through other element, makes them link together.

The described output terminal 132 of the first unidirectional element 13 connects with the input end 31 of hydraulic transmission device 3, selects the method directly connected, makes them link together.

The output terminal 32 of described hydraulic transmission device 3 connects with raising speed element 23, selects the method directly connected, makes them link together.

Described input shaft 1 connects with the input end 131 of the first unidirectional element 13, the output terminal 132 of the first unidirectional element 13 connects with the input end 31 of hydraulic transmission device 3, the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, thus forms second input path of the present embodiment.

Described output element 22 connects with variable-speed shaft 7, selects the method indirectly connected, namely selects input gear driving mechanism 4 and hitch 8, make them link together, thus forms the input path of the present embodiment; It comprises input gear driving mechanism 4 and hitch 8; Wherein, output element 22 is connected with hitch 8, and hitch 8 is connected with the input end 41 of input gear driving mechanism 4, and the output terminal 42 of input gear driving mechanism 4 is connected with variable-speed shaft 7.

Described variable-speed shaft 7 connects with the input end 141 of the second unidirectional element 14, selects the method indirectly connected, namely selects output gear driving mechanism 5, make them link together; Wherein, variable-speed shaft 7 is connected with the input end 51 of output gear driving mechanism 5, and the output terminal 52 of output gear driving mechanism 5 is connected with the output terminal 142 of the second unidirectional element 14.

The described output terminal 142 of the second unidirectional element 14 connects with the input end 31 of hydraulic transmission device 3, selects the method directly connected, makes them link together.

Described output element 22 connects with variable-speed shaft 7, variable-speed shaft 7 connects with the input end 141 of the second unidirectional element 14, the output terminal 142 of the second unidirectional element 14 connects with the input end 31 of hydraulic transmission device 3, the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, thus forms the backflow raising speed path of the present embodiment; It comprises input gear driving mechanism 4, output gear driving mechanism 5 and hitch 8.

The input power of motor, through input shaft 1, is three tunnels the power dividing being delivered to this, and the first via is delivered to the first input element 91, second tunnel is delivered to input element 21, is namely delivered to first input path of the present embodiment, 3rd tunnel is delivered to hydraulic transmission device 3 by the first unidirectional element 13, hydraulic transmission device 3 is delivered to raising speed element 23 again, namely second input path of the present embodiment is delivered to, the power of the first input path and the power of the second input path again by the planetary pinion that converges on fast unit 2 power transimission to output element 22, output element 22 is two-way the power dividing being delivered to this, leading up to hitch 8 and input gear driving mechanism 4 is delivered to variable-speed shaft 7, is namely delivered to the outgoing route of the present embodiment, variable-speed shaft 7, again by being delivered to output gear 10, is delivered to the second input element 92, separately leading up to hitch 8 and input gear driving mechanism 4 is delivered to variable-speed shaft 7, pass 14 by output gear driving mechanism 5 and the second unidirectional element again and be delivered to hydraulic transmission device 3, hydraulic transmission device 3 is delivered to raising speed element 23 again, namely the backflow raising speed path of the present embodiment is delivered to, be delivered to the power in backflow raising speed path and be delivered to the power of input path, all be delivered to output element 22 by the planetary pinion converged on fast unit 2, output element 22 repeats said process again, make the rotating speed being delivered to raising speed element 23 and output element 22 constantly with input power, the change of running resistance and infinitely speed change, and be delivered to variable-speed shaft 7, thus the rotating speed being delivered to the second input element 92 is changed thereupon, now, be delivered to the power of the first input element 91 and be delivered to the power of the second input element 92, all be delivered to by the planetary pinion on variable-speed unit 9 and converge fast element 93, and be passed to the output shaft 6 of the present embodiment, thus achieve the power of motor is externally exported by output shaft 6.

Embodiment six: as shown in Figure 6, selected technology scheme three, and the working principle of embodiment six and embodiment five and the first input path of formation, outgoing route are identical with backflow raising speed path, and difference is the connection scheme of their the second input path.

Described input shaft 1 connects with the input end 131 of the first unidirectional element 13, selects the method directly connected, makes them link together.

The described output terminal 132 of the first unidirectional element 13 connects with the input end 31 of hydraulic transmission device 3, selects the method indirectly connected, namely selects the second input gear driving mechanism 15 and the second output gear driving mechanism 16, make them link together; Wherein, the output terminal 132 of the first unidirectional element 13 is connected with the input end 151 of the second input gear driving mechanism 15, the output terminal 152 of the second input gear driving mechanism 15 is connected with the input end 161 of the second output gear driving mechanism 16, and the output terminal 162 of the second output gear driving mechanism 16 is connected with the input end 31 of hydraulic transmission device 3.

Described input shaft 1 connects with the input end 131 of the first unidirectional element 13, the output terminal 132 of the first unidirectional element 13 connects with the input end 31 of hydraulic transmission device 3, the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, thus forms second input path of the present embodiment; It comprises the second input gear driving mechanism 15 and the second output gear driving mechanism 16.

That is, the input power of motor, through input shaft 1, is three tunnels the power dividing being delivered to this, and the first via is delivered to the first input element 91; Second tunnel is delivered to input element 21, is namely delivered to first input path of the present embodiment; 3rd tunnel is by the first unidirectional element 13, second input gear driving mechanism 15 and the second output gear driving mechanism 16, and be delivered to hydraulic transmission device 3, hydraulic transmission device 3 is delivered to raising speed element 23 again, is namely delivered to second input path of the present embodiment.

Embodiment seven, embodiment eight, embodiment nine, embodiment ten: selected technology scheme four: a kind of stepless speed variator, and it comprises input shaft 1, converge fast unit 2, hydraulic transmission device 3, output shaft 6, variable-speed shaft 7, variable-speed unit 9, first unidirectional element 13 and the second unidirectional element 14, is provided with between described input shaft 1 and output shaft 6 and converges fast unit 2, hydraulic transmission device 3, variable-speed shaft 7 variable-speed unit 9, first unidirectional element 13 and the second unidirectional element 14, the fast unit 2 of described remittance comprises input element 21, output element 22 and raising speed element 23, converge fast unit 2 by element cooperating required separately, described variable-speed unit 9 comprises the first input element 91, second input element 92 and the fast element 93 that converges, variable-speed unit 9 by element cooperating required separately, input shaft 1 respectively with input element 21, the input end 131 of the first input element 91 and the first unidirectional element 13 connects, output element 22 connects with the input end 141 of variable-speed shaft 7 and the second unidirectional element 14 respectively, variable-speed shaft 7 connects with the second input element 92, the output terminal 132 of the first unidirectional element 13 and the output terminal 142 of the second unidirectional element 14 connect with the input end 31 of hydraulic transmission device 3, the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, and the fast element 93 that converges connects with output shaft 6.

Embodiment seven: as shown in Figure 7, selected technology scheme four: a kind of stepless speed variator, it comprises input shaft 1, converge fast unit 2, hydraulic transmission device 3, output shaft 6, variable-speed shaft 7, variable-speed unit 9, first unidirectional element 13 and the second unidirectional element 14, be provided with between described input shaft 1 and output shaft 6 and converge fast unit 2, hydraulic transmission device 3, variable-speed shaft 7 variable-speed unit 9, first unidirectional element 13 and the second unidirectional element 14, the fast unit 2 of described remittance comprises input element 21, output element 22 and raising speed element 23, converge fast unit 2 by element cooperating required separately, described variable-speed unit 9 comprises the first input element 91, second input element 92 and the fast element 93 that converges, variable-speed unit 9 is by element cooperating required separately, input shaft 1 respectively with input element 21, the input end 131 of the first input element 91 and the first unidirectional element 13 connects, output element 22 connects with the input end 141 of variable-speed shaft 7 and the second unidirectional element 14 respectively, variable-speed shaft 7 connects with the second input element 92, the output terminal 132 of the first unidirectional element 13 and the output terminal 142 of the second unidirectional element 14 connect with the input end 31 of hydraulic transmission device 3, the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, the fast element 93 that converges connects with output shaft 6.

Described input shaft 1 connects with the input end 131 of the first unidirectional element 13, and select the method directly connected, namely input shaft 1 selects the method by hollow, through other element, makes them link together.

Input shaft 1 connects with the input end 131 of the first unidirectional element 13, the output terminal 132 of the first unidirectional element 13 connects with the input end 31 of hydraulic transmission device 3, the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, thus forms second input path of the present embodiment.

Described input shaft 1 connects with the first input element 91, selects the method directly connected ,namely input shaft 1 selects the method by hollow, through other element, makes them link together.

Described output element 22 connects with the input end 141 of the second unidirectional element 14, selects the method indirectly connected, namely selects hitch 8 and input planet gear driving mechanism 12, make them link together; Wherein, output element 22 is connected with hitch 8, and hitch 8 is connected with the input end 121 of input planet gear driving mechanism 12, and the output terminal 122 of input planet gear driving mechanism 12 is connected with the input end 141 of the second unidirectional element 14.

Described output element 22 connects with the input end 141 of the second unidirectional element 14, the output terminal 102 of the second unidirectional element 14 connects with the input end 31 of hydraulic transmission device 3, the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, thus forms the backflow raising speed path of the present embodiment; It comprises hitch 8 and input planet gear driving mechanism 12.

The input power of motor, through input shaft 1, is three tunnels the power dividing being delivered to this, and the first via is delivered to the first input element 91, second tunnel is delivered to input element 21, is namely delivered to first input path of the present embodiment, 3rd tunnel is delivered to hydraulic transmission device 3 by the first unidirectional element 13, hydraulic transmission device 3 is delivered to raising speed element 23 again, namely second input path of the present embodiment is delivered to, the power of the first input path and the power of the second input path again by the planetary pinion that converges on fast unit 2 power transimission to output element 22, output element 22 is two-way the power dividing being delivered to this, leading up to hitch 8 and input gear driving mechanism 4 is delivered to variable-speed shaft 7, is namely delivered to the outgoing route of the present embodiment, variable-speed shaft 7 by output gear 10, is delivered to the second input element 92 again, separately lead up to hitch 8, input planet gear driving mechanism 12 and the second unidirectional element pass 14 and are delivered to hydraulic transmission device 3, hydraulic transmission device 3 is delivered to raising speed element 23 again, namely the backflow raising speed path of the present embodiment is delivered to, be delivered to the power in backflow raising speed path and be delivered to the power of input path, all be delivered to output element 22 by the planetary pinion converged on fast unit 2, output element 22 repeats said process again, make the rotating speed being delivered to raising speed element 23 and output element 22 constantly with input power, the change of running resistance and infinitely speed change, and be delivered to variable-speed shaft 7, thus the rotating speed being delivered to the second input element 92 is changed thereupon, now, be delivered to the power of the first input element 91 and be delivered to the power of the second input element 92, all be delivered to by the planetary pinion on variable-speed unit 9 and converge fast element 93, and be passed to the output shaft 6 of the present embodiment, thus achieve the power of motor is externally exported by output shaft 6.

Embodiment eight: as shown in Figure 8, selected technology scheme four: described input shaft 1 connects with the input end 131 of the first unidirectional element 13, select the method directly connected, make them link together.

Input shaft 1 connects with the input end 131 of the first unidirectional element 13, the output terminal 132 of the first unidirectional element 13 connects with the input end 31 of hydraulic transmission device 3, the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, thus forms second input path of the present embodiment; It comprises the second input gear driving mechanism 15 and the second output gear driving mechanism 16.

Described input shaft 1 connects with the first input element 91, and select the method directly connected, namely input shaft 1 selects the method by hollow, through other element, makes them link together.

Described output element 22 connects with the input end 141 of the second unidirectional element 14, the output terminal 142 of the second unidirectional element 14 connects with the input end 31 of hydraulic transmission device 3, the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, thus forms the backflow raising speed path of the present embodiment; It comprises hitch 8 and input planet gear driving mechanism 12.

The input power of motor, through input shaft 1, is three tunnels the power dividing being delivered to this, and the first via is delivered to the first input element 91, second tunnel is delivered to input element 21, is namely delivered to first input path of the present embodiment, 3rd tunnel is by the first unidirectional element 13, second input gear driving mechanism 15 and the second output gear driving mechanism 16 are delivered to hydraulic transmission device 3, hydraulic transmission device 3 is delivered to raising speed element 23 again, namely second input path of the present embodiment is delivered to, the power of the first input path and the power of the second input path again by the planetary pinion that converges on fast unit 2 power transimission to output element 22, output element 22 is two-way the power dividing being delivered to this, lead up to input gear driving mechanism 4, be delivered to variable-speed shaft 7, namely the outgoing route of the present embodiment is delivered to, variable-speed shaft 7 by output gear 10, is delivered to the second input element 92 again, separately leading up to hitch 8, input planet gear driving mechanism 12 and the second unidirectional element 14 is delivered to hydraulic transmission device 3, and hydraulic transmission device 3 is delivered to raising speed element 23 again, is namely delivered to the backflow raising speed path of the present embodiment, be delivered to the power in backflow raising speed path and be delivered to the power of input path, all be delivered to output element 22 by the planetary pinion converged on fast unit 2, output element 22 repeats said process again, the rotating speed making to be delivered to raising speed element 23 and output element 22 is the infinitely speed change with the change of input power, running resistance constantly, and is delivered to variable-speed shaft 7, thus the rotating speed being delivered to the second input element 92 is changed thereupon, now, be delivered to the power of the first input element 91 and be delivered to the power of the second input element 92, all be delivered to by the planetary pinion on variable-speed unit 9 and converge fast element 93, and be passed to the output shaft 6 of the present embodiment, thus achieve the power of motor is externally exported by output shaft 6.

Embodiment nine: as shown in Figure 9, selected technology scheme four: described input shaft 1 connects with the input end 131 of the first unidirectional element 13, select the method directly connected, make them link together.

Described output element 22 connects with the input end 141 of the second unidirectional element 14, selects the method indirectly connected, namely selects input gear driving mechanism 4, hitch 8 and the 3rd output gear driving mechanism 17, make them link together; Wherein, output element 22 is connected with hitch 8, hitch 8 is connected with the input end 41 of input gear driving mechanism 4, second output terminal 43 of input gear driving mechanism 4 is connected with the input end 171 of the 3rd output gear driving mechanism 17, and the output terminal 172 of the 3rd output gear driving mechanism 17 is connected with the input end 141 of the second unidirectional element 14.

Described output element 22 connects with the input end 141 of the second unidirectional element 14, the output terminal 142 of the second unidirectional element 14 connects with the input end 31 of hydraulic transmission device 3, the output terminal 32 of hydraulic transmission device 3 connects with raising speed element 23, thus forms the backflow raising speed path of the present embodiment; It comprises input gear driving mechanism 4, hitch 8 and the 3rd output gear driving mechanism 17.

The input power of motor, through input shaft 1, is three tunnels the power dividing being delivered to this, and the first via is delivered to the first input element 91, second tunnel is delivered to input element 21, is namely delivered to first input path of the present embodiment, 3rd tunnel is by the first unidirectional element 13, second input gear driving mechanism 15 and the second output gear driving mechanism 16 are delivered to hydraulic transmission device 3, hydraulic transmission device 3 is delivered to raising speed element 23 again, namely second input path of the present embodiment is delivered to, the power of the first input path and the power of the second input path again by the planetary pinion that converges on fast unit 2 power transimission to output element 22, output element 22 is two-way the power dividing being delivered to this, leading up to hitch 8 and input gear driving mechanism 4 is delivered to variable-speed shaft 7, namely the outgoing route of the present embodiment is delivered to, variable-speed shaft 7 by output gear 10, is delivered to the second input element 92 again, separately leading up to hitch 8, input gear driving mechanism 4, the 3rd output gear driving mechanism 17 and the second unidirectional element 14 is delivered to hydraulic transmission device 3, and hydraulic transmission device 3 is delivered to raising speed element 23 again, is namely delivered to the backflow raising speed path of the present embodiment, be delivered to the power in backflow raising speed path and be delivered to the power of input path, all be delivered to output element 22 by the planetary pinion converged on fast unit 2, output element 22 repeats said process again, the rotating speed making to be delivered to raising speed element 23 and output element 22 is the infinitely speed change with the change of input power, running resistance constantly, and is delivered to variable-speed shaft 7, thus the rotating speed being delivered to the second input element 92 is changed thereupon, now, be delivered to the power of the first input element 91 and be delivered to the power of the second input element 92, all be delivered to by the planetary pinion on variable-speed unit 9 and converge fast element 93, and be passed to the output shaft 6 of the present embodiment, thus achieve the power of motor is externally exported by output shaft 6.

Embodiment ten: as shown in Figure 10, selected technology scheme four: described input shaft 1 connects with the input end 131 of the first unidirectional element 13, select the method directly connected, make them link together.

Described input shaft 1 connects with the first input element 91, selects the method indirectly connected, namely selects the second input gear driving mechanism 15 and output gear 10, make them link together; Wherein, input shaft 1 is connected with the input end 151 of the second input gear driving mechanism 15, and the output terminal 152 of the second input gear driving mechanism 15 is connected with output gear 10, and output gear 10 engages with the second input element 91.

The input power of motor, through input shaft 1, is three tunnels the power dividing being delivered to this, and the first via is delivered to the first input element 91 by the second input gear driving mechanism 15 and output gear 10; Second tunnel is delivered to input element 21, is namely delivered to first input path of the present embodiment; 3rd tunnel is delivered to hydraulic transmission device 3 by the first unidirectional element 13, second input gear driving mechanism 15 and the second output gear driving mechanism 16, hydraulic transmission device 3 is delivered to raising speed element 23 again, namely second input path of the present embodiment is delivered to, the power of the first input path and the power of the second input path again by the planetary pinion that converges on fast unit 2 power transimission to output element 22, output element 22 is two-way the power dividing being delivered to this, one tunnel is delivered to variable-speed shaft 7, is namely delivered to the outgoing route of the present embodiment; Variable-speed shaft 7 is delivered to the second input element 92 again; Separately leading up to hitch 8, input planet gear driving mechanism 12 and the second unidirectional element 14 is delivered to hydraulic transmission device 3, and hydraulic transmission device 3 is delivered to raising speed element 23 again, is namely delivered to the backflow raising speed path of the present embodiment; Be delivered to the power in backflow raising speed path and be delivered to the power of input path, all be delivered to output element 22 by the planetary pinion converged on fast unit 2, output element 22 repeats said process again, the rotating speed making to be delivered to raising speed element 23 and output element 22 is the infinitely speed change with the change of input power, running resistance constantly, and is delivered to variable-speed shaft 7; Thus the rotating speed being delivered to the second input element 92 is changed thereupon; Now, be delivered to the power of the first input element 91 and be delivered to the power of the second input element 92, all be delivered to by the planetary pinion on variable-speed unit 9 and converge fast element 93, and be passed to the output shaft 6 of the present embodiment, thus achieve the power of motor is externally exported by output shaft 6.

For the present invention, when the rotating speed of input shaft 1 is constant, the rotating speed of output element 22, variable-speed shaft 7 and output shaft 6, change with the change of its input torque, resisting moment, input torque is larger, resisting moment is lower, and the rotating speed be delivered on output element 22, variable-speed shaft 7 and output shaft 6 is larger, otherwise, then less, thus realize the present invention infinitely can change speed stepless speed variator with the difference of input torque, vehicle travel resistance.

When the present invention uses, if the input power of motor, input speed and load thereof are constant, namely the rotating speed of input shaft 1 and moment of torsion are constant, before vehicle starting, the rotating speed of output shaft 6 is zero, and because output shaft 6 and power train are transferred to the rotating ratio between driving wheel, what arrange enough is large, the gear of Ultra-Low Speed can be arranged to, when selected technology scheme one of the present invention or technological scheme two; Automobile starting, the input power of motor is through input shaft 1, split into two-way, one tunnel is direct or be delivered to the first input element 91 by some elements, another road is delivered to the input element 21 in input path of the present invention, input element 21 again by the planetary pinion that converges on fast unit 2 power transimission to output element 22, output element 22 is two-way the power dividing being delivered to this, one tunnel is delivered to the variable-speed shaft 7 in outgoing route of the present invention, then is delivered to the second input element 92; Now, be delivered to the power of the first input element 91 and be delivered to the power of the second input element 92, all be delivered to the fast element 93 of remittance by the planetary pinion on variable-speed unit 9, and be delivered to the output shaft 6 of the present embodiment, when being delivered to the moment of torsion on output shaft 6, through power train be transferred to the tractive force that driving wheel produces be enough to overcome vehicle starting resistance time, automobile then start to walk and start accelerate, the rotating speed of the output element 22 be connected with it, variable-speed shaft 7 and output shaft 6 also increases gradually from zero; Another road is delivered to backflow raising speed path of the present invention.

When selected technology scheme three of the present invention or technological scheme four, the input power of motor is through input shaft 1, split into three tunnels, the first via is direct or be delivered to the first input element 91 by some elements, second tunnel is delivered to the input element 21 in the first input path of the present invention, 3rd tunnel is delivered to the raising speed element 23 in the second input path of the present invention, input element 21 and raising speed element 23 again by the planetary pinion that converges on fast unit 2 power transimission to output element 22, output element 22 is two-way the power dividing being delivered to this, one tunnel is delivered to the variable-speed shaft 7 in outgoing route of the present invention, be delivered to the second input element 92 again, now, be delivered to the power of the first input element 91 and be delivered to the power of the second input element 92, being all delivered to the fast element 93 of remittance by the planetary pinion on variable-speed unit 9, and being delivered to the output shaft 6 of the present embodiment, when being delivered to the moment of torsion on output shaft 6, through power train be transferred to the tractive force that driving wheel produces be enough to overcome vehicle starting resistance time, automobile is then started to walk and is started to accelerate, and the rotating speed of the output element 22 be connected with it, variable-speed shaft 7 and output shaft 6 also increases gradually from zero, another road is delivered to backflow raising speed path of the present invention.

When the power transimission in raising speed path of refluxing is to raising speed element 23, this road power then with the power being delivered to input element 21, all be delivered to output element 22 by the planetary pinion converged on fast unit 2, output element 22 repeats said process again, the iterative cycles of a point square, bending moment and remittance square is constantly carried out between each element, thus the output speed of the hydraulic transmission device 3 in backflow raising speed path is constantly raised, and then the rotating speed being delivered to output element 22 is also constantly raised, and be delivered to variable-speed shaft 7; Thus the rotating speed being delivered to the second input element 92 is changed thereupon; Now, be delivered to the power of the first input element 91 and be delivered to the power of the second input element 92, all be delivered to the fast element 93 of remittance by the planetary pinion on variable-speed unit 9, and be passed to output shaft 6 of the present invention, be transferred on driving wheel through power train again, automobile then constantly accelerates, thus the rotating speed of output shaft 6 is constantly raised along with the minimizing of resisting moment.

Claims

1. a stepless speed variator, it comprises input shaft (1), converge fast unit (2), hydraulic transmission device (3), output shaft (6), variable-speed shaft (7) and variable-speed unit (9), it is characterized in that: be provided with between described input shaft (1) and output shaft (6) and converge fast unit (2), hydraulic transmission device (3), variable-speed shaft (7) and variable-speed unit (9), the fast unit of described remittance (2) comprises input element (21), output element (22) and raising speed element (23), the fast unit (2) that converges is by element cooperating required separately, described variable-speed unit (9) comprises the first input element (91), second input element (92) and the fast element (93) that converges, variable-speed unit (9) is by element cooperating required separately, input shaft (1) connects with input element (21) and the first input element (91) respectively, output element (22) connects with variable-speed shaft (7), variable-speed shaft (7) connects with the input end (31) of hydraulic transmission device (3) and the second input element (92) respectively, the output terminal (32) of hydraulic transmission device (3) connects with raising speed element (23), the fast element (93) that converges connects with output shaft (6).

2. a stepless speed variator, it comprises input shaft (1), converge fast unit (2), hydraulic transmission device (3), output shaft (6), variable-speed shaft (7) and variable-speed unit (9), it is characterized in that: be provided with between described input shaft (1) and output shaft (6) and converge fast unit (2), hydraulic transmission device (3), variable-speed shaft (7) and variable-speed unit (9), the fast unit of described remittance (2) comprises input element (21), output element (22) and raising speed element (23), the fast unit (2) that converges is by element cooperating required separately, described variable-speed unit (9) comprises the first input element (91), second input element (92) and the fast element (93) that converges, variable-speed unit (9) is by element cooperating required separately, input shaft (1) connects with input element (21) and the first input element (91) respectively, output element (22) connects with the input end (31) of variable-speed shaft (7) and hydraulic transmission device (3) respectively, the output terminal (32) of hydraulic transmission device (3) connects with raising speed element (23), variable-speed shaft (7) connects with the second input element (92), the fast element (93) that converges connects with output shaft (6).

3. a stepless speed variator, it comprises input shaft (1), converge fast unit (2), hydraulic transmission device (3), output shaft (6), variable-speed shaft (7), variable-speed unit (9), first unidirectional element (13) and the second unidirectional element (14), it is characterized in that: be provided with between described input shaft (1) and output shaft (6) and converge fast unit (2), hydraulic transmission device (3), variable-speed shaft (7), variable-speed unit (9), first unidirectional element (13) and the second unidirectional element (14), the fast unit of described remittance (2) comprises input element (21), output element (22) and raising speed element (23), the fast unit (2) that converges is by element cooperating required separately, described variable-speed unit (9) comprises the first input element (91), second input element (92) and the fast element (93) that converges, variable-speed unit (9) is by element cooperating required separately, input shaft (1) respectively with input element (21), the input end (131) of the first input element (91) and the first unidirectional element (13) connects, output element (22) connects with variable-speed shaft (7), variable-speed shaft (7) connects with the input end (141) of the second input element (92) and the second unidirectional element (14) respectively, the output terminal (132) of the first unidirectional element (13) and the output terminal (142) of the second unidirectional element (14) connect with the input end (31) of hydraulic transmission device (3), the output terminal (32) of hydraulic transmission device (3) connects with raising speed element (23), the fast element (93) that converges connects with output shaft (6).

4. a stepless speed variator, it comprises input shaft (1), converge fast unit (2), hydraulic transmission device (3), output shaft (6), variable-speed shaft (7), variable-speed unit (9), first unidirectional element (13) and the second unidirectional element (14), it is characterized in that: be provided with between described input shaft (1) and output shaft (6) and converge fast unit (2), hydraulic transmission device (3), variable-speed shaft (7) variable-speed unit (9), first unidirectional element (13) and the second unidirectional element (14), the fast unit of described remittance (2) comprises input element (21), output element (22) and raising speed element (23), the fast unit (2) that converges is by element cooperating required separately, described variable-speed unit (9) comprises the first input element (91), second input element (92) and the fast element (93) that converges, variable-speed unit (9) is by element cooperating required separately, input shaft (1) respectively with input element (21), the input end (131) of the first input element (91) and the first unidirectional element (13) connects, output element (22) connects with the input end (141) of variable-speed shaft (7) and the second unidirectional element (14) respectively, variable-speed shaft (7) connects with the second input element (92), the output terminal (132) of the first unidirectional element (13) and the output terminal (142) of the second unidirectional element (14) connect with the input end (31) of hydraulic transmission device (3), the output terminal (32) of hydraulic transmission device (3) connects with raising speed element (23), the fast element (93) that converges connects with output shaft (6).

5. the stepless speed variator according to Claims 1-4, it is characterized in that: the fast unit of described remittance (2) and variable-speed unit (9) can select planetary gear mechanism, few tooth difference transmission mechanism, cycloidal-pin wheel planetary gearing mechanism or harmonic gear drive mechanism, converge the input element (21) of fast unit (2), first input element (91) of output element (22) and raising speed element (23) and variable-speed unit (9), second input element (92) and the fast element (93) that converges, can from the above-mentioned planetary gear mechanism of formation, few tooth difference transmission mechanism, select in the primary element of cycloidal-pin wheel planetary gearing mechanism or harmonic gear drive mechanism, they play the fast effect that converges.

6. the stepless speed variator according to Claims 1-4, is characterized in that: the element that each needs described connect, and can select the method directly connected, or selects the indirect method connected, or selects to increase the method connected; The method of described direct connection, refers to: need two elements connected, can select direct connection, make them link together; When they are by some other element separate, can, by the mode of hollow, through some other elements, them be made to link together; The method of described indirect connection, refers to: need two elements connected, and can select to increase several elements among suitable driving mechanism, joining shaft and hitch, make them link together; The described method increasing connection, refers to: need two elements connected, and after linking together, increase can be selected to use unidirectional element, make them link together.

7. the stepless speed variator according to Claims 1-4, it is characterized in that: described driving mechanism can select planetary gear mechanism, few tooth difference transmission mechanism, cycloidal-pin wheel planetary gearing mechanism or harmonic gear drive mechanism, also can select various gear drive, chain wheel driving mechanism and belt wheel transmission mechanism.

8. the stepless speed variator according to Claims 1-4, is characterized in that: described hydraulic transmission device (3) can select fluid torque converter, fluid coupling, pressure motor and oil hydraulic pump and various dissimilar automatically controlled or hydraulic control clutch.