CN103256347B - Multi-clutch transmission provided with conflux planetary gear set - Google Patents

Abstract

The invention relates to a multi-clutch transmission with a converging planetary row, which can meet the requirements of multiple gears, including a main input shaft, a main output shaft, an input side multi-clutch and a converging planetary row; the input side multi-clutch includes an input end, at least two The clutch output shaft and the input clutch mechanism; the confluence planetary row includes the sun gear input shaft, the planet carrier input shaft and the ring gear output shaft; there is a reverse gear set between the main input shaft and the sun gear input shaft, and the reverse gear set includes The reverse gear driven gear assembled on the input shaft of the sun gear is rotated without a sleeve, and a reverse gear synchronizer is correspondingly provided; between each clutch output shaft and the input shaft of the planet carrier, there are more than two input side selection gears. Each shift gear set includes idler gears, and a synchronizer is provided between the two adjacently arranged idler gears; a ring gear is provided between the ring gear output shaft and the main output shaft to connect the ring gear The output torque of the output shaft is transmitted to the output transmission mechanism of the main output shaft.

Description

Multi-clutch transmission with converging planetary row

technical field

The invention relates to multiple clutch transmissions with converging planetary rows.

Background technique

At present, the transmission technology is developing rapidly, especially the dual-clutch automatic transmission, which has been relatively mature and has been used more and more recently because it can better solve the problem of power transmission interruption. For example, the application number is 20082009555.6, and the announcement number is CN201265630Y, which discloses a dual-clutch five-speed automatic transmission, including a main input shaft for connecting a power source, a dual clutch connected with the main input shaft, an intermediate shaft and a main output The dual clutch includes an input end coaxially connected with the main input shaft, an odd-numbered transmission shaft, an even-numbered transmission shaft, and a clutch mechanism for selecting the input end to be connected to the odd-numbered transmission shaft or the even-numbered transmission shaft. There are corresponding odd and even gear sets and corresponding odd and even gear synchronizers between the odd and even gear transmission shafts and the corresponding sections of the intermediate shaft, and the odd and even gear sets are included in it. The idler gear on the shaft corresponding to the torque transmission is assembled with an idler. When the corresponding synchronizer operates, one idler gear in the paired odd-numbered gear set or even-numbered gear set can be fixedly connected to the shaft to transmit torque and the other One continues to remain empty. Since one of the dual clutches corresponds to odd-numbered gears and the other corresponds to even-numbered gears, when the vehicle is engaged in a gear, the other clutch and the corresponding next gear are already in a ready state through the corresponding synchronizer, as long as the current gear The next gear can be engaged immediately after disengagement, so the selection and shifting speed of the dual-clutch gearbox is faster, which better solves the problem of interruption of power transmission.

However, although the dual-clutch transmission in the prior art can better solve the problem of power transmission interruption, the existing dual-clutch transmission cannot meet the above-mentioned conditions under the condition of complex working conditions and many gear requirements. control needs.

Contents of the invention

The purpose of the present invention is to provide a multi-clutch transmission with converging planetary rows that can meet the requirements of multiple gears.

The technical solution adopted in the present invention is: a multi-clutch transmission with a converging planetary row, including a housing, a main input shaft for power input, a main output shaft for outputting power, and also includes multiple clutches on the input side and a converging planetary row; The multi-side clutch includes an input end coaxially connected to the main input shaft, at least two clutch output shafts and an input clutch mechanism for selecting the input end to be connected to one of the clutch output shafts; the confluence planetary row includes a sun gear , planetary gear, planetary carrier and ring gear, including the sun gear input shaft for input torque to the sun gear, the planetary carrier input shaft for input torque to the planetary carrier, and the ring gear output for output torque connected with the ring gear coaxial transmission Shaft; between the main input shaft and the sun gear input shaft, there is a reverse gear set for transferring the torque of the main input shaft to the sun gear input shaft, and the reverse gear set includes a gear set fixed on the main input shaft The reverse gear drive gear and the reverse gear driven gear mounted on the input shaft of the sun gear in idler rotation, and the sun gear input shaft is provided with a gear for selectively connecting the reverse gear driven gear with the sun gear input shaft or connecting The input shaft of the sun gear is fixedly connected with the corresponding braking structure on the housing to brake the sun gear; the clutch output shaft and the input shaft of the planetary carrier are provided between the output shafts of the input side The torque output by the multi-clutch is transmitted to more than two input side selection and shifting gear sets of the input shaft of the planetary carrier, and each of the input side selection and shifting gear sets includes an idle sleeve rotating assembly on the shaft corresponding to the transmitted torque. Idle gears, the idle gears in two or more shift gear sets corresponding to the same clutch output shaft are arranged adjacently in pairs in a one-to-one correspondence according to the set shift gear positions. A synchronizer for selecting one of the idler gears of the pair to be fixedly connected with the shaft while the other idler gear continues to be idler is provided between the two idler gears; the output shaft of the ring gear and the main output shaft An output transmission mechanism for transmitting the output torque of the output shaft of the ring gear to the main output shaft is arranged between them.

The output transmission mechanism includes an output-side multi-clutch, and the output-side multi-clutch includes an output end that is coaxially connected to the main output shaft, at least two clutch input shafts, and is used to select the output end that is in drive connection with one of the clutch input shafts. The output clutch mechanism, each of the clutch input shafts and the ring gear output shaft is provided with more than two output-side shift gear sets for transferring the torque output by the ring gear output shaft to the output-side multi-clutch, Each gear selection and shifting gear set on the output side includes an idle gear that is idling and rotatably assembled on the shaft corresponding to its transmission torque, and the idle gear in more than two gear selection and shifting gear sets corresponding to the same clutch input shaft is According to the selected shift gears, they are arranged adjacently in pairs in a one-to-one correspondence. Between the pair of two idler gears, there is an idler gear for selecting the pair, which is fixedly connected to the shaft and the other The idler gear continues to hold the idler synchronizer.

The clutch output shaft includes an odd-numbered gear clutch output shaft and an even-numbered gear clutch output shaft, and the input-side selection shift gear set includes two groups of odd-numbered gear input side selectors corresponding to the odd-numbered gear clutch output shaft and the even-numbered gear clutch output shaft, respectively. Shift gear set and two sets of even-numbered gear input side selection shift gear sets; the clutch input shaft includes an odd-numbered gear clutch input shaft and an even-numbered gear clutch input shaft, and the output side selection shift gear set includes an odd-numbered clutch input shaft and an odd-numbered clutch input shaft respectively. The input shaft and the even-numbered gear clutch input shaft correspond to two groups of odd-numbered gear output side selection and shifting gear sets and two sets of even-numbered gear output side selection and shifting gear sets.

The input side multi-clutch is provided with a load output shaft for outputting torque to a corresponding load.

The multi-clutch transmission with converging planetary rows is provided with a clutch operating mechanism for controlling the corresponding input side clutch mechanism and output clutch mechanism to operate according to a set rule, and a gear selection and shifting operating mechanism for controlling the action of each synchronizer. .

The multi-clutch transmission with converging planetary row includes the main input shaft, the main output shaft, each clutch output shaft, each clutch input shaft, sun gear input shaft, planetary carrier input shaft, ring gear output shaft and load output The rotation speed sensor installed on the shaft is used to detect the rotation speed of each shaft, and also includes an electronic control unit for obtaining the rotation speed information of the rotation speed sensor and controlling the action of the clutch operating mechanism and the shifting operation mechanism according to the rotation speed information. The signal output end of the sensor is connected with the signal input end of the electronic control unit, and the electronic control unit is in control connection with the clutch operating mechanism and the gear selection operating mechanism.

With the above-mentioned technical solution in the present invention, the reverse gear set and the reverse synchronizer can selectively input torque to the sun gear input shaft in the confluence planetary row or brake the sun gear input shaft, and the multi-clutch on the input side can , the corresponding shifting gear set and synchronizer can input the rotational speed of the number of types equal to the product of the number of shifting gear sets corresponding to each clutch output shaft to the input shaft of the planetary carrier in the confluence planetary row, and then through the confluence The planetary row confluence, the ring gear can output to the output shaft of the ring gear a speed whose number is equal to the product of the number of shift gear sets corresponding to each clutch output shaft, and then output to the main output shaft through the output transmission structure, and the reverse gear When the synchronizer brakes the sun gear, it can realize the forward gear output, and when the reverse gear synchronizer connects the sun gear input shaft with the reverse gear driven gear, it can realize the reverse gear output, and realizes more gears with a simpler structure. The range of gears is wide, which can meet the needs of multiple gears. And through the multiple clutches on the output side, the corresponding shifting gear sets and synchronizers, a certain speed obtained by the output shaft of the ring gear can be converted into a number equal to the number of sets of the shifting gear sets corresponding to each clutch output shaft The product of the RPM gets more RPM.

Description of drawings

Fig. 1: The structure diagram of an embodiment of the multi-clutch transmission with converging planetary row of the present invention.

The names corresponding to the reference signs in the figure are: 1-main output shaft, 2-speed sensor, 3-housing, 4-multi-clutch housing on the output side, 5-even-numbered gear clutch on the output side, 6-odd-numbered gear clutch on the output side , 7- output side I gear driven gear, 8- output side III gear driven gear, 9- odd gear clutch input shaft, 10- even gear clutch input shaft, 11- output side II gear driven gear, 12- output Side IV driven gear, 13-load output shaft, 14-even clutch output shaft, 15-input side IV driving gear, 16-input side II driving gear, 17-odd clutch output shaft, 18-input Side III gear drive gear, 19-input side I gear drive gear, 20-input side odd gear clutch, 21-input side multi-clutch housing, 22-clutch operating mechanism, 23-input side even gear clutch, 24-load output clutch , 25-reverse drive gear, 26-main input shaft, 27-engine, 28-reverse driven gear, 29-reverse synchronizer, 30-sun gear input shaft, 31-input side odd gear synchronizer, 32 -Input side I gear driven gear, 33-Input side III gear driven gear, 34-Input side II gear driven gear, 35-Input side even gear synchronizer, 36-Input side IV gear driven gear, 37- Planetary carrier input shaft, 38-planetary carrier, 39-planetary gear, 40-ring gear, 41-sun gear, 42-ring gear output shaft, 43-output side I gear driving gear, 44-output side even gear synchronizer, 45-output side III gear driving gear, 46-output side II gear driving gear, 47-output side odd-numbered gear synchronizer, 48-output side IV gear driving gear, 49-selection shift control mechanism, 50-electronic control unit.

Detailed ways

An embodiment of the multi-clutch transmission with converging planetary row of the present invention is shown in Fig. 1, comprises casing 3, the main input shaft 26 that supplies power input that transmission is connected on the engine 27 as power source, the main output of output power Shaft 1, input side multi-clutch, output side multi-clutch and confluence planetary row, also includes a transmission control system composed of corresponding clutch operating mechanism 22, gear selection and shifting operating mechanism 49, speed sensor 2 and electronic control unit 50.

The input side multi-clutch includes the input side multi-clutch housing 21, the input end connected with the main input shaft 26 coaxial transmission, three clutch output shafts and the input clutch mechanism for selecting the input end and one of the clutch output shafts transmission connection, the input end, the corresponding clutch output shaft, and the input clutch mechanism are equivalent to a clutch. The clutch output shaft in this embodiment includes an odd-numbered gear clutch output shaft 17, an even-numbered gear clutch output shaft 14, and a load output shaft 13. The corresponding input side is more The clutches include an input-side odd-numbered gear clutch 20 , an input-side even-numbered gear clutch 23 and a load output clutch 24 . Wherein the load output shaft 13 is in the form of a solid shaft, and is used to drive corresponding agricultural tools and other implements to work. The odd-numbered gear clutch output shaft 17 and the even-numbered gear clutch output shaft 14 are in the form of sleeves coaxially sleeved on the load output shaft 13 .

The multi-clutch on the output side includes the multi-clutch housing 4 on the output side, the output end coaxially connected to the main output shaft 1, two clutch input shafts and an output clutch mechanism for selecting the output end to be connected to one of the clutch input shafts. end, the corresponding clutch input shaft, and the output clutch mechanism are equivalent to a clutch. The clutch input shaft in this embodiment includes an odd-numbered clutch input shaft 9 and an even-numbered clutch input shaft 10, and the corresponding multi-clutch on the output side includes an odd-numbered output shaft Gear clutch 6 and output side even gear clutch 5. Wherein the even-numbered gear clutch input shaft 10 is in the form of a solid shaft, and the odd-numbered gear clutch input shaft 9 is in the form of a shaft sleeve coaxially sleeved on the even-numbered gear clutch input shaft 10 .

The confluence planetary row includes a sun gear 41, a planet gear 39, a planet carrier 38 and a ring gear 40, and also includes a sun gear input shaft 30 that inputs torque to the sun gear 41, and a planet carrier input shaft 37 that outputs torque to the planet carrier 38. The ring gear output shaft 42 is connected with the ring gear 40 in a coaxial transmission and outputs the torque converging through the sun gear 41 and the planet carrier 38 to the converging planet. The sun gear input shaft 30 is in the form of a solid shaft, and the planet carrier input shaft 37 is in the form of a shaft sleeve coaxially sleeved on the sun gear input shaft 30 . Between the main input shaft 26 and the sun gear input shaft 30, there is a reverse gear set for transferring the torque of the main input shaft 26 to the sun gear input shaft 30, and the reverse gear set includes The reverse gear driving gear 25 on 26 and the reverse gear driven gear 28 mounted on the sun gear input shaft 30 in idler rotation, the sun gear input shaft 30 is provided with a reverse gear synchronizer 29 for selectively The reverse driven gear 28 is in transmission connection with the sun gear input shaft 30 , or connects the sun gear input shaft 30 with the corresponding housing 3 to brake the sun gear 41 .

Between the odd-numbered gear clutch output shaft 17 and the even-numbered gear clutch output shaft 14 and the planetary carrier input shaft 37, there are two input side selectable gearshifts for transmitting the torque output by the output side multi-clutch to the planetary carrier input shaft 37. The gear set includes two groups of odd-numbered input-side shifting gear sets corresponding to the odd-numbered clutch output shaft 17, and two groups of even-numbered input-side shifting gear sets corresponding to the even-numbered clutch output shaft 14.

According to the set shifting gear positions, two groups of odd-numbered gear input side shifting gear sets are respectively the input side I gear shifting gear set and the input side III gear shifting gear set. The input side I gear selection and shifting gear set includes the input side I gear driving gear 19 fixedly arranged on the odd-numbered gear clutch output shaft 17, and the idle sleeve is assembled on the planetary carrier input shaft 37 and meshes with the input side I gear driving gear 19. The input side I gear driven gear 32 of the transmission, the input side III gear selection and shifting gear set includes the input side III gear driving gear 18 fixed on the odd-numbered gear clutch output shaft 17, and the idle sleeve rotating assembly on the planetary carrier input shaft 37 and the input side III gear driven gear 33 that meshes with the input side III gear driving gear 18 for transmission. The input side I gear driven gear 32 and the input side III gear driven gear 33 are adjacently arranged in pairs in a one-to-one correspondence, and there is a solid connection between one of them and the planetary carrier input shaft 37 for selecting the two. Even the input side odd-numbered gear synchronizer 31 that continues to remain empty.

According to the selected shift position, the two sets of even-numbered gear input side selectable shift gear sets are input side II gear selectable shift gear set, input side IV gear selectable shift gear set, input side II gear selectable shift gear set The gear set includes the input side II gear driving gear 16 fixed on the odd-numbered gear clutch output shaft 17, the input side II gear slave that is idly rotated on the planetary carrier input shaft 37 and meshed with the input side II gear driving gear 16. The movable gear 34, the input side IV gear selection shift gear set includes the input side IV gear driving gear 15 fixed on the odd-numbered gear clutch output shaft 17, and the idle sleeve is assembled on the planetary carrier input shaft 37 and connected with the input side IV gear. The drive gear 15 meshes with the input side IV gear driven gear 36 of the transmission. The input side II gear driven gear 34 and the input side IV gear driven gear 36 are adjacently arranged in pairs in a one-to-one correspondence, and there is a solid connection between one of them and the planetary carrier input shaft 37 for selecting the two. Even while another continues to keep the input side even gear synchronizer 35 of empty set.

The clutch input shaft includes an odd-numbered gear clutch input shaft 9 and an even-numbered gear clutch input shaft 10, and the output side selection and shift gear set includes two groups of odd-numbered gear output side selection and shift gear sets corresponding to the odd-numbered gear clutch input shaft 9 , and two groups of even-numbered gear output side selection shift gear sets corresponding to the even-numbered gear clutch input shaft 10.

According to the selected shift position, the two sets of odd-numbered output side shift gear sets are the output side I gear select shift gear set, the output side III gear select shift gear set, the output side I gear select shift gear set The gear set includes the output side I gear driving gear 43 which is idly rotated and assembled on the ring gear output shaft 42, the output side I gear slave which is fixed on the odd-numbered gear clutch output shaft 17 and meshes with the output side I gear driving gear 43. The moving gear 7, the output side III gear selection shift gear set includes the output side III gear driving gear 45 mounted on the ring gear output shaft 42, which is fixed on the odd-numbered gear clutch output shaft 17 and connected to the output side III gear. The driving gear 45 meshes with the output side III gear driven gear 8 of the transmission. The output side I gear driven gear 7 and the output side III gear driven gear 8 are adjacently arranged in pairs in a one-to-one correspondence, and there is a fixed gear between the two for selecting one of them and the ring gear output shaft 42. Even the output side odd-numbered gear synchronizer 47 that continues to maintain an empty set.

According to the selected shift position, the two sets of even-numbered output side shift gear sets are the output side II shift gear set, the output side IV shift gear set, and the output side II shift select gear set. The gear set includes the output side II gear driving gear 46 mounted on the output shaft 42 of the ring gear, the output side II gear driven gear 11 fixed on the even-numbered gear clutch output shaft 14, and the output side IV gear selection shift gear. The gear set includes an output side IV gear driving gear 48 which is rotatably assembled on the ring gear output shaft 42 , and an output side IV gear driven gear 12 which is fixedly arranged on the even gear clutch output shaft 14 . The output side II gear driven gear 11 and the output side IV gear driven gear 12 are adjacently arranged in pairs in a one-to-one correspondence, and there is a fixed gear between the two for selecting one of them and the ring gear output shaft 42. Even the output side even gear synchronizer 44 that continues to maintain an empty set.

Of course, the gear ratios in each group of selectable shift gear sets are set according to the set selectable shift gears.

Above-mentioned input side multi-clutch is provided with corresponding odd-numbered gear clutch output shaft 17 and even-numbered gear clutch output shaft 14, and output side multi-clutch is provided with corresponding odd-numbered gear clutch input shaft 9 and even-numbered gear clutch input shaft 10, and corresponding odd-numbered gear The shifting gears cooperate with the even-numbered shifting gear sets and the corresponding synchronizers, and the dual-clutch transmission technology as described in the background art can be used to better solve the problem of torque transmission interruption during shifting. Certainly, in other embodiments, if the power interruption problem is not taken into consideration only for realizing multi-speed output, each selectable shift gear set may not be arranged in the above-mentioned form of separate arrangement of odd and even.

The confluent planetary row satisfies the planetary row characteristic equation in the process of planetary row confluence:

n _t +αn _q = (1+α)n _j

In the formula, n _t is the rotational speed of the sun gear 41, n _q is the rotational speed of the ring gear 40, n _j is the rotational speed of the planet carrier 38, and α is the characteristic parameter of the planetary row.

When the reverse gear synchronizer 29 is combined with the reverse gear driven gear 28 on the left side according to the figure, the rotation speed of the sun gear 41 is not zero. When n _i > (1+α)n _j is satisfied, the mechanism can realize the reverse gear output, and the input side The multi-clutch can output 4 kinds of speeds to the planet carrier 38, and the ring gear 40 can output 4 kinds of speeds after converging through the converging planetary row. Similarly, the multi-clutch on the output side can convert the speed of the ring gear output shaft 42 into 4 kinds of output from the main output. Axis 1 output, so as to realize 4×4 kinds of reverse gear output. When the reverse gear synchronizer 29 is combined with the housing 3 on the right side as shown in the figure, the sun gear 41 brakes and the speed is zero, and the multi-clutch on the input side can output 4 kinds of forward gear speeds to the planetary carrier 38, and the rear gears are converging through the converging planetary row. The ring 40 can output 4 kinds of forward speeds. Similarly, the multi-clutch on the output side can convert the speed of the ring gear output shaft 42 into 4 kinds of output from the main output shaft 1, thereby realizing 4×4 forward speeds. Therefore, the present invention adopts the technical scheme of the above-mentioned embodiment, can realize 16 kinds of forward speeds and 16 kinds of reverse speeds, realize more gears with a simpler structure, and the range of gears is wide, which can meet various operating requirements of tractors. The speed requirements of the situation.

The clutch operating mechanism 22 is used to control the multi-clutches on the input side and the multi-clutches on the output side to operate according to the set rules. The shifting operation mechanism is used to control the actions of the synchronizers. do not affect each other. The multi-clutch transmission also includes corresponding main input shaft 26, main output shaft 1, each clutch output shaft, each clutch input shaft, sun gear input shaft 30, planet carrier input shaft 37, ring gear output shaft 42 and load output shaft 13 The rotational speed sensor 2 that is set to detect the rotational speed of each shaft, the signal output end of the rotational speed sensor 2 is connected with the signal input end of the electronic control unit 50, and the electronic control unit 50 can obtain the rotational speed information of the rotational speed sensor 2 and according to the rotational speed The information controls the actions of the clutch operating mechanism 22 and the gear selection operating mechanism 49 , and the electronic control unit 50 is in control connection with the clutch operating mechanism 22 and the gear selection operating mechanism 49 . During work, each speed speed sensor 2 identifies and judges the operating state of the transmission, and according to the set shifting rules, when the shifting operation is required, the clutch operating mechanism 22 and the shifting operating mechanism 49 control each gear respectively. The operation of selecting and shifting action of the clutch and each synchronizer realizes automatic gear shifting.

When the multi-clutch transmission with converging planetary rows of the present invention works, the transmission routes of each gear are similar, and the transmission principle is the same. The four situations of the highest reverse gear, the lowest reverse gear, the highest forward gear, and the lowest forward gear are described in detail below. The state of each component and the power transmission route, and the rest of the gears can be deduced in the same way, and will not be described in detail.

The lowest gear in the forward gear: the load output clutch 24 is combined to carry out load output, the odd-numbered gear clutch 20 on the input side is combined, the even-numbered gear clutch 5 is combined on the output side, the odd-numbered gear synchronizer 31 on the input side is combined according to the left side of the figure, and the even-numbered gear synchronizer on the output side 44 is combined according to the left side of the figure, and the reverse gear synchronizer 29 is combined according to the left side of the figure. The power transmission route is: from the main input shaft 26 to the odd-numbered gear clutch input shaft 9, through the meshing of the first gear driven gear 19 on the input side, to the planetary carrier input shaft 37, and from the planetary carrier input shaft 37 and the confluence planetary row Pass to the ring gear output shaft 42, pass to the even-numbered gear clutch output shaft 14 through the meshing of the output side IV gear main and driven gears, and finally pass to the main output shaft 1.

The highest gear in the forward gear: the load output clutch 24 is engaged for load output, the second clutch C2 is engaged, the odd-numbered gear clutch 6 is engaged on the output side, the even-numbered gear synchronizer 35 on the input side is combined on the right side of the figure, and the odd-numbered gear synchronizer 47 on the output side is engaged The right side of the figure is combined, and the reverse gear synchronizer 29 is combined according to the left side of the figure. The power transmission route is: from the main input shaft 26 to the even-numbered gear clutch input shaft 10, through the meshing of the IV gear main and driven gears on the input side, to the planetary carrier input shaft 37, and from the planetary carrier input shaft 37 and the confluence planetary row Pass to the ring gear output shaft 42, pass to the odd-numbered gear clutch output shaft 17 through the engagement of the I gear master and slave gears on the output side, and finally pass to the main output shaft 1.

Reverse gear lowest gear: the load output clutch 24 is combined to carry out load output, the second clutch C2 is combined, the odd-numbered gear clutch 6 is combined on the output side, the even-numbered gear synchronizer 35 on the input side is combined on the right side of the figure, and the odd-numbered gear synchronizer 47 on the output side is combined The right side of the figure is combined, and the reverse gear synchronizer 29 is combined according to the right side of the figure. The power transmission route is as follows: one route is transmitted from the main input shaft 26 to the even-numbered gear clutch input shaft 10, and then transmitted to the planetary carrier input shaft 37 through the meshing of the input side IV gear main and driven gears, and the other route is transmitted to the sun gear through the main input shaft 26. Wheel input shaft 30, two-way convergence passes to ring gear output shaft 42 through converging planetary row, passes to odd-numbered gear clutch output shaft 17 through the meshing of output side I gear main and slave gears, and finally passes to main output shaft 1.

Highest reverse gear: the load output clutch 24 is combined to carry out load output, the input side odd-numbered gear clutch 20 is combined, the output side even-numbered gear clutch 5 is combined, the input side odd-numbered gear synchronizer 31 is combined according to the left side of the figure, and the output side is even-numbered gear synchronizer 44 is combined according to the left side of the figure, and the reverse gear synchronizer 29 is combined according to the right side of the figure. The power transmission route is as follows: one route is transmitted from the main input shaft 26 to the odd-numbered gear clutch input shaft 9, and is transmitted to the planetary carrier input shaft 37 through the meshing of the I gear main and driven gear 19 on the input side, and the other route is transmitted to the planetary carrier input shaft 26 through the main input shaft 26. The sun gear input shaft 30, the two roads converge and transmit to the ring gear output shaft 42 through the converging planetary row, and transmit to the even-numbered gear clutch output shaft 14 through the meshing of the master and driven gears of the IV gear on the output side, and finally to the main output shaft 1 .

In the above embodiments of the present invention, the output transmission mechanism between the ring gear output shaft and the main output shaft adopts a mechanism including multiple clutches on the output side, corresponding clutch input shafts and corresponding synchronizers. In the dual-clutch transmission technology in the background art, in other embodiments, the above-mentioned output transmission mechanism can also be replaced with other forms, such as a pair of fixed shaft gears meshing with each other, or a coupling is used to directly connect the output shaft of the ring gear with the main output Shaft drive connections, etc.

In the above embodiments of the present invention, the input side odd and even gear synchronizers are set corresponding to the planet carrier input shaft 37, and the output side odd and even gear synchronizers are set corresponding to the ring gear output shaft 42. In other embodiments of the present invention The odd and even gear synchronizers on the input side can also be set corresponding to the odd and even gear clutch output shafts respectively, and the odd and even gear synchronizers on the output side can also be set corresponding to the odd and even gear clutch input shafts respectively. In addition, the clutch output shaft corresponding to the multi-clutch on the input side and the planet carrier input shaft 37 can also be set to more than three, and the clutch input shaft corresponding to the multi-clutch on the output side and the ring gear output shaft 42 can also be set to more than three, and refer to For the above-mentioned shift gear set, more than two sets of shift gear sets including idler gears are arranged corresponding to the added shafts, and correspondingly added shift gear sets and synchronizers can meet the demand for more gear positions. Similarly, increasing the number of shift gear sets on each clutch output shaft or clutch input shaft can also accommodate a larger number of gears. In the above embodiments, the load output shaft 13 provided on the multi-clutch on the input side is a non-essential structure, which can also be omitted in other embodiments.

Claims (6)

1. A multi-clutch transmission with a converging planetary row, including a housing, a main input shaft for power input, and a main output shaft for outputting power, and is characterized in that it also includes multiple clutches on the input side and a converging planetary row; The clutch includes an input end coaxially connected to the main input shaft, at least two clutch output shafts, and an input clutch mechanism for selecting the input end to be connected to one of the clutch output shafts; the confluence planetary row includes a sun gear, a planetary It also includes the sun gear input shaft for input torque to the sun gear, the planet carrier input shaft for input torque to the planet carrier, and the ring gear output shaft for output torque connected with the ring gear for coaxial transmission; A reverse gear set for transmitting the torque of the main input shaft to the sun gear input shaft is provided between the main input shaft and the sun gear input shaft, and the reverse gear set includes a reverse gear fixed on the main input shaft The driving gear and the reverse gear driven gear mounted on the input shaft of the sun gear in idler rotation, and the sun gear input shaft is equipped with a gear for selectively connecting the reverse gear driven gear with the sun gear input shaft or connecting the sun gear The input shaft is fixedly connected with the corresponding braking structure on the housing to brake the sun gear; between each clutch output shaft and the input shaft of the planetary carrier, there are devices for outputting multiple clutches on the input side The torque is transmitted to more than two input-side shift gear sets of the input shaft of the planetary carrier, and each of the input-side select shift gear sets includes an idler gear that is idlingly rotatably assembled on the shaft corresponding to its transmitted torque, The idler gears in more than two selector shift gear sets corresponding to the same clutch output shaft are arranged adjacently in pairs in a one-to-one correspondence according to the set selector shift gear positions, and the paired two idler sets There is a synchronizer between the gears for selecting one of the idler gears of the pair to be fixedly connected with the shaft while the other idler gear continues to be idle; there is a set between the ring gear output shaft and the main output shaft The output transmission mechanism for transmitting the output torque of the ring gear output shaft to the main output shaft. 2. The multi-clutch transmission with converging planetary row according to claim 1, characterized in that: the output transmission mechanism includes an output side multi-clutch, and the output side multi-clutch includes a coaxial transmission connection with the main output shaft. The output end, at least two clutch input shafts and an output clutch mechanism for selecting the output end to be connected to one of the clutch input shafts, each clutch input shaft and the ring gear output shaft are provided for outputting the ring gear output shaft The torque is transmitted to more than two output side selection and shifting gear sets of the output side multi-clutch, and each output side selection and shifting gear set includes an idle gear that is idlingly assembled on the shaft corresponding to the transmission torque, and the same The idler gears in the two or more shifting gear sets corresponding to the root clutch input shaft are adjacently arranged in pairs in a one-to-one correspondence according to the set shifting gear positions, and the paired idler gears There is a synchronizer for selecting one of the idler gears of the pair to be fixedly connected with the shaft while the other idler gear remains idler. 3. The multi-clutch transmission with converging planetary row according to claim 2, characterized in that: said clutch output shafts include odd-numbered gear clutch output shafts and even-numbered gear clutch output shafts, and said input-side selection shift gear set It includes two sets of odd-numbered gear input side selection shift gear sets and two sets of even-numbered gear input side selection shift gear sets respectively corresponding to the odd-numbered gear clutch output shaft and the even-numbered gear clutch output shaft; the clutch input shaft includes an odd-numbered gear clutch input shaft and even-numbered gear clutch input shaft, the output side selection and shift gear set includes two sets of odd-numbered gear output side selection and shift gear sets and two sets of even-numbered gear output Side select shift gear set. 4. The multi-clutch transmission with converging planetary row according to claim 2 or 3, characterized in that: said input side multi-clutch is provided with a load output shaft for outputting torque to a corresponding load. 5. The multi-clutch transmission with converging planetary row according to claim 4, characterized in that: the multi-clutch transmission with converging planetary row is provided with an input clutch mechanism and an output clutch mechanism for controlling the corresponding A regularly acting clutch operating mechanism and a shifting operating mechanism for controlling the actions of the reverse synchronizer, the synchronizer corresponding to the input side shifting gear set, and the synchronizer corresponding to the output side shifting gear set. 6. The multi-clutch transmission with converging planetary row according to claim 5, characterized in that: the multi-clutch transmission with converging planetary row includes corresponding main input shaft, main output shaft, each clutch output shaft , each clutch input shaft, sun gear input shaft, planetary carrier input shaft, ring gear output shaft and load output shaft are provided with a speed sensor for detecting the speed of each shaft, and also includes a speed sensor for obtaining the speed information of the speed sensor The electronic control unit that controls the action of the clutch operating mechanism and the shifting operating mechanism according to the rotational speed information, the signal output end of the rotational speed sensor is connected with the signal input end of the electronic control unit, and the electronic control unit is connected with the clutch operating mechanism and the shifting operating mechanism. The file operating mechanism controls the connection.