CN211308228U - Integrated hybrid electric vehicle system - Google Patents
Integrated hybrid electric vehicle system Download PDFInfo
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- CN211308228U CN211308228U CN201922371365.6U CN201922371365U CN211308228U CN 211308228 U CN211308228 U CN 211308228U CN 201922371365 U CN201922371365 U CN 201922371365U CN 211308228 U CN211308228 U CN 211308228U
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Abstract
The utility model discloses a hybrid vehicle system of integral type, include: the device comprises a four-gear transmission, a power motor, a multi-gear transmission and a power unit. The four-gear speed changer comprises an input shaft, an output shaft, an intermediate shaft, a first clutch, a second clutch, a third clutch, a fourth clutch and a shell. One end of the intermediate shaft is in transmission connection with a rotating end of the power motor, the power motor is arranged outside the shell and used for transmitting power to the intermediate shaft, an input end of the multi-gear transmission is in transmission connection with an output end of the output shaft, and an output end of the multi-gear transmission is used for outputting power to wheels. One end of the intermediate shaft is in transmission connection with the rotating end of the power motor, the input end of the multi-gear transmission is in transmission connection with the output end of the output shaft, and the output end of the multi-gear transmission is used for outputting power to wheels. The hybrid vehicle has the advantages of more compact structure, small occupied space and more gear changing.
Description
Technical Field
The utility model relates to a hybrid system field especially relates to a hybrid vehicle system of integral type.
Background
The transmission can change different torques input in front and back through different gear changes and different power drives. Through the switching to the different clutches of derailleur, can realize the switching to the different fender position of derailleur, hybrid vehicle system can realize providing more fender positions simultaneously to derailleur hybrid drive through installing driving motor, multi-gear derailleur additional to the engine simultaneously. The hybrid vehicle has the characteristics of energy saving and low emission. The existing hybrid power system is generally used on a small-sized automobile, the existing hybrid power system of a large-sized vehicle is relatively overstaffed, and if a power motor is added, the two ends of the power motor are respectively connected with a speed changer, so that the speed changer is large in size and large in occupied space.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide an integrated hybrid vehicle system to solve the problem of large volume occupation of the transmission in the hybrid vehicle.
To achieve the above object, the inventors provide an integrated hybrid vehicle system including: the four-gear transmission comprises a four-gear transmission, a power motor, a multi-gear transmission and a power unit;
the four-gear speed changer comprises an input shaft, an output shaft, an intermediate shaft, a first clutch, a second clutch, a third clutch, a fourth clutch and a shell;
the center line of the input shaft and the center line of the output shaft are arranged in a collinear manner, the input end of the input shaft and the output end of the output shaft respectively penetrate through two opposite side walls of the shell and are arranged on the shell, the power unit is connected with the input shaft and transmits power to the input shaft, the input shaft transmits the power to the intermediate shaft through the first clutch or the second clutch, and then the intermediate shaft transmits the power to the output shaft through the third clutch or the fourth clutch; the center line of the intermediate shaft is parallel to the center line of the input shaft and is arranged in the shell;
one end of the intermediate shaft is in transmission connection with a rotating end of the power motor, the power motor is arranged outside the shell and used for transmitting power to the intermediate shaft, an input end of the multi-gear transmission is in transmission connection with an output end of the output shaft, and an output end of the multi-gear transmission is used for outputting power to wheels.
Further, the first clutch and the second clutch form a first switching type double clutch, the third clutch and the fourth clutch form a second switching type double clutch, and the first switching type double clutch and the second switching type double clutch are the same switching type double clutch;
the switching double clutch comprises a first clutch block, a second clutch block and a piston unit; the first clutch block is positioned on one side of the piston unit, the second clutch block is positioned on the other side of the piston unit, and the piston unit is used for enabling the first clutch block and the second clutch block to be in clutch;
a first gear pair is arranged between the input shaft and the intermediate shaft, one gear of the first gear pair is movably sleeved on the input shaft, the other gear of the first gear pair is arranged on the intermediate shaft, a second gear pair is arranged between the input shaft and the intermediate shaft, one gear of the second gear pair is movably sleeved on the input shaft, the other gear of the second gear pair is arranged on the intermediate shaft, a third gear pair is arranged between the output shaft and the intermediate shaft, one gear of the third gear pair is movably sleeved on the output shaft, the other gear of the third gear pair is arranged on the intermediate shaft, a fourth gear pair is arranged between the output shaft and the intermediate shaft, one gear of the fourth gear pair is movably sleeved on the output shaft, and the other gear of the fourth gear pair is arranged on the intermediate shaft;
the first clutch piece of the first switching type double clutch is used for the clutch of the input shaft and a gear of the first gear pair, the second clutch piece of the first switching type double clutch is used for the clutch of the input shaft and a gear of the second gear pair, and the first clutch piece of the first switching type double clutch and the second clutch piece of the first switching type double clutch are mutually exclusive clutches;
the first clutch piece of the second switching type double clutch is used for clutching the output shaft and a gear of the third gear pair, the second clutch piece of the second switching type double clutch is used for clutching the output shaft and a gear of the fourth gear pair, and the first clutch piece of the second switching type double clutch and the second clutch piece of the second switching type double clutch are mutually exclusive clutches.
Further, the piston unit comprises a double-ended piston body and a cavity;
the cross section of the double-end piston body is I-shaped, one end of the double-end piston body is arranged in the cavity, the other end of the double-end piston body is located outside the cavity, and two ends of the cavity are respectively connected with one hydraulic unit.
Further, the first clutch piece comprises a first friction piece group, the second clutch piece comprises a second friction piece group, the first friction piece group is located on one side of the other end of the double-head piston body, the second friction piece group is located on the other side of the other end of the double-head piston body, and the double-head piston body is used for driving one of the first friction piece group or the second friction piece group to be combined and the other friction piece group to be separated.
Further, the second gear pair and the third gear pair form the same gear pair.
Furthermore, a key groove is formed in the shaft surface of the intermediate shaft, and the output end of the power motor is fixedly connected into the key groove.
Furthermore, the intermediate shafts are arranged in an annular array around the central lines of the input shaft and the output shaft, the structures of the intermediate shafts are the same, and each intermediate shaft is connected with a power motor.
Further, the power motor is a direct current power motor.
Further, the multi-speed transmission is a two-speed transmission.
Be different from prior art, above-mentioned technical scheme drives the derailleur jointly with the power pack who has to be located the input shaft input through installing power motor on the jackshaft additional. When the power is needed, the power motor can also independently provide power for the transmission to drive the transmission to work. During the joint operation, the power motor shares the load of the output shaft, and realizes the output of the hybrid power with the power unit. Because the power motor is arranged on the middle shaft at the side of the speed changer and is not arranged on the output shaft, the structure is more compact, and the occupied space is reduced. And then, a multi-gear transmission is arranged behind the four-gear transmission, so that different torque changes of power from the hybrid power to wheels can be realized, and the multi-gear output of the power is realized.
Drawings
FIG. 1 is a simplified schematic structural diagram of a four speed transmission according to an embodiment;
FIG. 2 is a simplified schematic structural diagram of a four-speed transmission and a multi-speed transmission according to an embodiment;
FIG. 3 is a schematic structural diagram of the four speed transmission according to the embodiment;
FIG. 4 is another schematic structural view of the four speed transmission according to the embodiment;
FIG. 5 is a schematic structural diagram of the dual switching clutch according to the embodiment;
FIG. 6 is a schematic structural diagram of a four speed transmission and a multi-speed transmission according to an embodiment;
fig. 7 is another schematic structural view of the four-speed transmission and the multi-speed transmission according to the embodiment.
Description of reference numerals:
1. a four-speed transmission;
11. an input shaft;
12. an output shaft;
13. an intermediate shaft;
14. a housing;
15. a first gear pair;
16. a second gear pair;
161. a common gear pair;
17. a third gear pair;
18. a fourth gear pair;
2. a power motor;
3. a switching clutch;
31. a first clutch block;
311. a first friction plate set;
32. a second clutch block;
321. a second friction plate set;
33. a double-ended piston body;
34. a cavity;
35. a hydraulic unit;
36. a first switching clutch;
37. a second switching clutch;
4. a multi-speed transmission;
40. a second gear input shaft; 41. a second gear output shaft; 42. a second intermediate shaft; 43. a second clutch; 44. a second clutch; 45. a second gear housing;
5. a power unit;
k1, first clutch;
k2, second clutch;
k3, third clutch;
k4 and a fourth clutch.
Detailed Description
To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
Referring to fig. 1 to 7, the present embodiment provides an integrated hybrid vehicle system, including: the four-gear transmission comprises a four-gear transmission 1, a power motor 2, a multi-gear transmission 4 and a power unit 5. The four-gear transmission comprises an input shaft 11, an output shaft 12, an intermediate shaft 13, a first clutch K1, a second clutch K2, a third clutch K3, a fourth clutch K4, a shell 14 and a power motor 2; the center line of the input shaft 11 is arranged in line with the center line of the output shaft 12. The input end of the input shaft 11 and the output end of the output shaft 12 respectively penetrate through two opposite side walls of the housing 14 and are arranged on the housing 14, the power unit 5 is connected with the input shaft 11 and transmits power to the input shaft 11, the input shaft 11 transmits the power to the intermediate shaft 13 through the first clutch K1 or the second clutch K2, and then the intermediate shaft 13 transmits the power to the output shaft 12 through the third clutch K3 or the fourth clutch K3; the center line of the intermediate shaft 13 is disposed in the housing 14 parallel to the center line of the input shaft 11. The housing 14 can protect various components of the four-speed transmission, such as the input shaft 11, the output shaft 12, the intermediate shaft 13, the first clutch k1, the second clutch k2, the third clutch k3, and the fourth clutch k 4. One end of the intermediate shaft 13 is in transmission connection with a rotating end of the power motor 2, the power motor 2 is arranged outside the shell 14, the power motor 2 is used for transmitting power to the intermediate shaft 13, and the power motor 2 can be a direct-current power motor, an alternating-current power motor, a permanent magnet synchronous motor and the like.
In some embodiments, in order to provide a power source for the four-speed transmission 1, a power unit 5 may be connected to an input end of the input shaft 11, and the power unit 5 is used for driving the input shaft 11 to rotate.
In this embodiment, the connection between the power motor and the intermediate shaft is a direct connection. Specifically, a key groove is formed in the shaft surface of the intermediate shaft, and the output end of the power motor 2 can be inserted and fixed into the key groove in an interference fit manner. Or the direct connection can be other embodiments, such as the connection between the output end of the power motor and one end of the intermediate shaft is realized through a coupler.
In some embodiments, the connection of the power motor and the intermediate shaft may be a geared connection. Specifically, a gear may be sleeved on an output shaft of the power motor, a gear may be sleeved on the intermediate shaft, and the power motor drives the output shaft to rotate by meshing the gear on the power motor and the gear on the intermediate shaft.
Generally, to implement the operation of the clutch, the clutch is disposed on the power input end, and one end of the clutch is connected to the power input end and the other end is connected to the power output end. In this embodiment, the power input end may be an input shaft, and the power output end is a gear rotatably sleeved on the input shaft; or the power output end is an output shaft, and the power input end is a gear which is rotatably sleeved on the output shaft.
In some embodiments, the first clutch k1, the second clutch k2, the third clutch k3 and the fourth clutch k4 are conventional clutch structures, such as a friction clutch and a hydraulic clutch, and the clutches are only used for transmitting power. In the case of friction clutches, one friction clutch is disposed next to each gear of each gear pair. One end of the friction clutch is fixed on the input shaft (or the output shaft), the other end of the friction clutch is connected with the gear of the gear pair, when the friction clutch is in an on state, the input shaft (or the output shaft) is in transmission with the gear, and when the friction clutch is in an off state, the input shaft (or the output shaft) is not in transmission with the gear.
In some embodiments, the input of the multi-speed transmission 4 is in transmission connection with the output of the output shaft 12, and the output of the multi-speed transmission 4 is used for outputting power to wheels and the like. Specifically, the multi-gear transmission 4 can provide a transmission with more gears by overlapping with an original two-gear transmission, and compared with the existing integrated transmission, the multi-gear transmission can be modified according to actual needs, and meanwhile, the production cost is reduced to a great extent.
The existing clutches are adopted, the two clutches are simultaneously in a closed state to cause the condition of gear jamming, in order to optimize the structure of the transmission, the problem that the gear jamming occurs when the clutches of the traditional transmission are switched is solved, the overall structure is simpler, then in the embodiment, the first clutch and the second clutch are combined into the first switching type double clutch 36, the third clutch and the fourth clutch are combined into the second switching type double clutch 37, and the first switching type double clutch and the second switching type double clutch are the same switching type double clutch 3. The dual switching clutch 3 comprises a first clutch plate 31, a second clutch plate 32 and a piston unit. The first clutch piece 31 is located on one side of the piston unit, the second clutch piece 32 is located on the other side of the piston unit, and the piston unit is used for enabling the first clutch piece 31 and the second clutch piece 32 to be in clutch. The piston unit of the dual clutch 3 can only push the first clutch piece 31 or the second clutch piece 32 to be in the engaged state, so that the situation of being in the engaged state at the same time is avoided.
Referring to fig. 3, in some embodiments, a first gear pair is disposed between the input shaft and the intermediate shaft, a gear of the first gear pair 15 is movably sleeved on the input shaft, another gear of the first gear pair 15 is disposed on the intermediate shaft, a second gear pair 16 is disposed between the input shaft and the intermediate shaft, a gear of the second gear pair 16 is movably sleeved on the input shaft, another gear of the second gear pair 16 is disposed on the intermediate shaft, a third gear pair 17 is disposed between the output shaft and the intermediate shaft, a gear of the third gear pair 17 is movably sleeved on the output shaft, another gear of the third gear pair 17 is disposed on the intermediate shaft, a fourth gear pair 18 is disposed between the output shaft and the intermediate shaft, a gear of the fourth gear pair 18 is movably sleeved on the output shaft, and another gear of the fourth gear pair 18 is disposed on the intermediate shaft. The input shaft and the intermediate shaft are in transmission connection through the first gear pair and the second gear pair, and the output shaft and the intermediate shaft are in transmission connection through the third gear pair and the fourth gear pair. The first clutch piece (realizing the function of the first clutch K1) of the first switching double clutch is used for the clutch of the input shaft and a gear of the first gear pair, the second clutch piece (realizing the function of the first clutch K2) of the first switching double clutch is used for the clutch of the input shaft and a gear of the second gear pair, and the first clutch piece of the first switching double clutch and the second clutch piece of the first switching double clutch are mutually exclusive clutches. The first clutch piece (realizing the function of the first clutch K3) of the second switching type double clutch is used for clutching the output shaft and a gear of the third gear pair, the second clutch piece (realizing the function of the first clutch K4) of the second switching type double clutch is used for clutching the output shaft and a gear of the fourth gear pair, and the first clutch piece of the second switching type double clutch and the second clutch piece of the second switching type double clutch are mutually exclusive clutches. Through foretell gear pair and switching formula double clutch, can realize whether the power of input shaft transmits the jackshaft, and through the difference of the gear ratio of the gear pair that sets up on the input shaft, can realize that input shaft power transmits the jackshaft with different moments of torsion. Whether the power of jackshaft transmits the output shaft simultaneously can be realized, and through the difference of the gear ratio of the gear pair that sets up on the output shaft, can realize that jackshaft power transmits the output shaft with different moments of torsion. The gear change of the four-gear transmission is realized by controlling the change of the torque in the power transmission process.
The piston unit can be pushed left and right respectively to clutch the clutch blocks on two sides. In this embodiment, one piston unit includes a double-headed piston body 33 and a cavity 34, the double-headed piston body 33 has an i-shaped cross section, one end of the double-headed piston body 33 is disposed in the cavity 34, and the other end of the double-headed piston body 33 is located outside the cavity 34. The double-end piston body 33 can only push one clutch block and gear pair to form a closed state, so that one switching type double clutch 3 can only be in a closed state with one gear pair, and is in a separated state with the other gear pair, the condition that the clutch blocks on two sides are closed simultaneously can not occur, and the transmission is more accurate and flexible in gear shifting. Meanwhile, the other end of the double-end piston body is arranged outside the cavity 34 and used for pushing the clutch blocks on the two sides to be engaged and disengaged, so that the transverse width of the double-end piston body 33 is reduced, and the structure is compact.
Referring to fig. 3 and 4, in order to reduce the excessive gear setting and optimize the structure, in this embodiment, the second gear pair 16 and the third gear pair 17 are combined into the same gear pair, i.e., a common gear pair, and the gear pair formed by the second gear pair 16 and the third gear pair 17 is named as a common gear pair 161. One gear of the common gear pair 161 may be movably provided on the input shaft or the output shaft, and the other gear is provided on the intermediate shaft. Taking the example in which the common gear pair is movably disposed on the output shaft, the second clutch piece of the first switching double clutch 36 is used for the clutch of the input shaft with a gear of the common gear pair 161, and the first clutch piece of the second switching double clutch 37 is used for the clutch of the output shaft with a gear of the common gear pair 161. The remaining first gear pair 15 and third gear pair 18 remain unchanged, and the function of each clutch plate of the remaining double clutch is: the first clutch piece of the first switching double clutch 36 is used for engaging and disengaging the input shaft with a gear of the first gear pair 15, and the second clutch piece of the second switching double clutch 37 is used for engaging and disengaging the output shaft with a gear of the fourth gear pair.
In order to realize a clutch structure in the clutch, a clutch mode of friction plates can be adopted, the first clutch block comprises a first friction plate group, the second clutch block comprises a second friction plate group, the first friction plate group is positioned on one side of the other end of the double-end piston body, the second friction plate group is positioned on the other side of the other end of the double-end piston body, and the double-end piston body is used for driving one group of the first friction plate group or the second friction plate group to be combined and the other group to be separated. Namely, the double-end piston body pushes the friction plate of the first clutch block or the friction plate of the second clutch block, so that the first clutch block or the second clutch block can be clutched.
In this embodiment, the double-ended piston body is used for pushing the first friction plate group and the second friction plate group, and in order to provide power to the double-ended piston body, two ends of the cavity of the switching type double clutch are respectively connected with a hydraulic unit for driving the double-ended piston body to move. The hydraulic unit 35 comprises a hydraulic pump and hydraulic pipelines, one end of each hydraulic pipeline is connected with the hydraulic pump, the other end of each hydraulic pipeline is communicated with the cavity, each hydraulic pipeline comprises a first hydraulic pipeline and a second hydraulic pipeline, the first hydraulic pipeline is communicated with the cavity on the left side of the double-head piston body, and the second hydraulic pipeline is communicated with the cavity on the right side of the double-head piston body. Hydraulic oil is injected into the hydraulic pipeline, the hydraulic pipeline works in a state of being full of hydraulic oil, and the hydraulic pipeline can respectively convey the hydraulic oil to the cavity. Consequently only need to make behind the hydraulic oil pressurization in the hydraulic pressure pipeline of one side the oil pressure in the cavity is unbalanced, and then the drive the double-end piston body is in the cavity removes, reaches control the double-end piston body is in the purpose that removes is carried out to the oil pressure through hydraulic oil in the cavity.
In the present embodiment, the first gear pair, the common gear pair, and the first switching double clutch are taken as an example. The double-head piston body is pushed to move towards one side of the first hydraulic pipeline by applying pressure to the hydraulic oil in the second hydraulic pipeline, so that the first clutch block and the first gear pair of the first switching type double clutch are in a closed state, and the second clutch block and a gear of the common gear pair of the first switching type double clutch are in a separated state. In a similar way, the pressure of the hydraulic oil in the first hydraulic pipeline is greater than that of the second hydraulic pipeline, and the double-end piston body is pushed to move towards one side of the second hydraulic pipeline, so that the second clutch block of the first switching type double clutch and one gear of the common gear pair are in a closed state, and the first clutch block of the first switching type double clutch and the first gear pair are in a separated state. Furthermore, the pressures in the hydraulic pipelines on the two sides are equal, so that the double-end piston body is located in the middle position in the cavity, the second clutch block and the common gear of the first switching type double clutch are in a separated state, the first clutch block and the first gear pair of the first switching type double clutch are in a separated state, and the neutral gear state is achieved.
In this embodiment, the number of the intermediate shafts is two, the intermediate shafts are arranged in an annular array around a center line of the input shaft or the output shaft, and the power motor may be disposed at any one end of the intermediate shafts. According to actual needs, the power motor can be arranged on the same side as the input shaft or the same side as the output shaft. In some embodiments, the number of the intermediate shafts is multiple, and may be two, three, or four or even more. A plurality of the intermediate shafts are arranged in a circumferential array on a central axis of the input shaft or the output shaft. The intermediate shafts, such as two, may be disposed at upper and lower positions of the input shaft and the output shaft, respectively. The structure of a plurality of intermediate shafts is the same, for example, gears with the same number of teeth and the same tooth width are arranged. Therefore, the loads of the input shaft and the output shaft can be distributed through the plurality of intermediate shafts, so that the bending strength on the input shaft, the intermediate shafts and the output shaft is enhanced, the bearing capacity of the input shaft and the output shaft is improved, and the purpose of improving the loads is achieved. Meanwhile, through the plurality of power motors, under the condition of the same output power, the lengths of the single bodies of the plurality of power motors can be greatly reduced relative to one power motor, so that the length of the hybrid power system can be greatly reduced, and the structure is compact. Particularly in the field of mine cars and the like needing high-power motors, the power motors of the existing passenger cars can be adopted by adopting a plurality of small power motors, so that the cost can be greatly reduced. The power motor drives the operation of the transmission together with or separately from the power unit. When the power motor and the power system are driven together, the power motor is used as auxiliary power to be matched with the power system for driving; at some time, the power motor can also drive the transmission to work independently.
In an embodiment, the multi-speed transmission is a two-speed transmission. The second gear transmission comprises: a second-gear input shaft 40, a second-gear output shaft 41, a second-gear intermediate shaft 42, a second-gear first clutch 43, a second-gear second clutch 44, and a second-gear housing 45. The center line of the second gear input shaft and the center line of the second gear output shaft are arranged in a collinear manner, and the input end of the second gear input shaft and the output end of the second gear output shaft respectively penetrate through two opposite side walls of the second gear shell and are arranged on the second gear shell; the output shaft 12 of the four-gear transmission 4 is connected with the second-gear input shaft to transmit power to the second-gear input shaft, the second-gear input shaft transmits power to the second-gear intermediate shaft through the second-gear first clutch and then transmits the power to the second-gear output shaft through the second-gear intermediate shaft, or the second-gear input shaft transmits power to the output shaft through the second-gear second clutch, and the center line of the second-gear intermediate shaft is parallel to the center line of the second-gear input shaft and is arranged in the shell. The input end of the second-gear speed changer is in transmission connection with the output end of the fourth-gear output shaft, and the output end of the second-gear multi-gear speed changer is used for outputting power to wheels. Through the utility model discloses a two keep off the derailleur, can keep off the variable speed condition for eight with four fender speed changers combination, satisfy more demands that keep off the position.
It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the scope of the present invention.
Claims (9)
1. An integrated hybrid vehicle system, comprising: the four-gear transmission comprises a four-gear transmission, a power motor, a multi-gear transmission and a power unit;
the four-gear speed changer comprises an input shaft, an output shaft, an intermediate shaft, a first clutch, a second clutch, a third clutch, a fourth clutch and a shell;
the center line of the input shaft and the center line of the output shaft are arranged in a collinear manner, the input end of the input shaft and the output end of the output shaft respectively penetrate through two opposite side walls of the shell and are arranged on the shell, the power unit is connected with the input shaft and transmits power to the input shaft, the input shaft transmits the power to the intermediate shaft through the first clutch or the second clutch, and then the intermediate shaft transmits the power to the output shaft through the third clutch or the fourth clutch; the center line of the intermediate shaft is parallel to the center line of the input shaft and is arranged in the shell;
one end of the intermediate shaft is in transmission connection with a rotating end of the power motor, the power motor is arranged outside the shell and used for transmitting power to the intermediate shaft, an input end of the multi-gear transmission is in transmission connection with an output end of the output shaft, and an output end of the multi-gear transmission is used for outputting power to wheels.
2. The integrated hybrid vehicle system according to claim 1, wherein the first clutch and the second clutch are combined to form a first switching double clutch, the third clutch and the fourth clutch are combined to form a second switching double clutch, and the first switching double clutch and the second switching double clutch are the same switching double clutch;
the switching double clutch comprises a first clutch block, a second clutch block and a piston unit; the first clutch block is positioned on one side of the piston unit, the second clutch block is positioned on the other side of the piston unit, and the piston unit is used for enabling the first clutch block and the second clutch block to be in clutch;
a first gear pair is arranged between the input shaft and the intermediate shaft, one gear of the first gear pair is movably sleeved on the input shaft, the other gear of the first gear pair is arranged on the intermediate shaft, a second gear pair is arranged between the input shaft and the intermediate shaft, one gear of the second gear pair is movably sleeved on the input shaft, the other gear of the second gear pair is arranged on the intermediate shaft, a third gear pair is arranged between the output shaft and the intermediate shaft, one gear of the third gear pair is movably sleeved on the output shaft, the other gear of the third gear pair is arranged on the intermediate shaft, a fourth gear pair is arranged between the output shaft and the intermediate shaft, one gear of the fourth gear pair is movably sleeved on the output shaft, and the other gear of the fourth gear pair is arranged on the intermediate shaft;
the first clutch piece of the first switching type double clutch is used for the clutch of the input shaft and a gear of the first gear pair, the second clutch piece of the first switching type double clutch is used for the clutch of the input shaft and a gear of the second gear pair, and the first clutch piece of the first switching type double clutch and the second clutch piece of the first switching type double clutch are mutually exclusive clutches;
the first clutch piece of the second switching type double clutch is used for clutching the output shaft and a gear of the third gear pair, the second clutch piece of the second switching type double clutch is used for clutching the output shaft and a gear of the fourth gear pair, and the first clutch piece of the second switching type double clutch and the second clutch piece of the second switching type double clutch are mutually exclusive clutches.
3. An integrated hybrid vehicle system as set forth in claim 2 wherein said piston unit includes a double-ended piston body and a cavity;
the cross section of the double-end piston body is I-shaped, one end of the double-end piston body is arranged in the cavity, the other end of the double-end piston body is located outside the cavity, and two ends of the cavity are respectively connected with one hydraulic unit.
4. The integrated hybrid vehicle system of claim 3, wherein the first clutch includes a first set of friction plates and the second clutch includes a second set of friction plates, the first set of friction plates being located on one side of the other end of the double-ended piston body, the second set of friction plates being located on the other side of the other end of the double-ended piston body, the double-ended piston body being configured to drive one of the first set of friction plates or the second set of friction plates into engagement and the other set out of engagement.
5. An integrated hybrid vehicle system as claimed in claim 2, 3 or 4, wherein said second gear set and said third gear set comprise a common gear set.
6. An integrated hybrid vehicle system as claimed in claim 1, wherein a key slot is provided on the axial surface of the intermediate shaft, and the output end of the power motor is fixedly connected in the key slot.
7. The integrated hybrid vehicle system according to claim 1, wherein the intermediate shafts are arranged in an annular array around the center lines of the input shaft and the output shaft, the plurality of intermediate shafts are identical in structure, and each intermediate shaft is connected with a power motor.
8. An integrated hybrid vehicle system as set forth in claim 1 wherein said electric power machine is a dc power machine.
9. An integrated hybrid vehicle system as set forth in claim 1 wherein said multiple speed transmission is a two speed transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201922371365.6U CN211308228U (en) | 2019-12-25 | 2019-12-25 | Integrated hybrid electric vehicle system |
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| CN201922371365.6U CN211308228U (en) | 2019-12-25 | 2019-12-25 | Integrated hybrid electric vehicle system |
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| CN211308228U true CN211308228U (en) | 2020-08-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111319451A (en) * | 2019-12-25 | 2020-06-23 | 福建中维动力科技股份有限公司 | Integrated hybrid electric vehicle system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111319451A (en) * | 2019-12-25 | 2020-06-23 | 福建中维动力科技股份有限公司 | Integrated hybrid electric vehicle system |
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