CN215921773U - Electric drive axle with mechanical differential and vehicle - Google Patents

Abstract

The utility model discloses an electric drive axle with a mechanical differential and a vehicle, and relates to the technical field of axles. The electric drive bridge with the mechanical differential comprises a first motor, a first planetary reducer, a second motor, a second planetary reducer and a reverse transmission mechanism. The first motor is in transmission connection with a first gear ring of the first planetary reducer and outputs torque through a first planet carrier of the first planetary reducer. The second motor and the second planetary reducer output torque through the second planetary reducer. The reverse transmission mechanism is in transmission connection with a first sun gear and a second planetary reducer of the first planetary reducer respectively, and can reversely output torque input by the first sun gear to the second planetary reducer. The electric drive axle with the mechanical differential and the vehicle have the characteristics of lower cost and higher reliability.

Description

Electric drive axle with mechanical differential and vehicle

Technical Field

The utility model relates to the technical field of axles, in particular to an electric drive axle with a mechanical differential and a vehicle.

Background

The automobile axle is connected to the frame via suspension and has wheels installed to its two ends for bearing the load of the automobile and maintaining the normal running of the automobile on road.

Most of the existing electric drive bridges adopt electronic differentials, so that the reliability is low, the cost is high, and the requirements of long-time reliable operation and low cost are difficult to meet.

In view of the above, it is important to develop an electric drive axle and a vehicle with a mechanical differential that can solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric drive axle with a mechanical differential and a vehicle, which have the characteristics of low cost and high reliability.

The utility model provides a technical scheme that:

in a first aspect, an embodiment of the present invention provides an electric drive bridge with a mechanical differential, which includes a first motor, a first planetary reducer, a second motor, a second planetary reducer, and a reverse transmission mechanism;

the first motor is in transmission connection with a first gear ring of the first planetary reducer and outputs torque through a first planet carrier of the first planetary reducer; the second motor and the second planetary reducer output torque through the second planetary reducer;

the reverse transmission mechanism is in transmission connection with a first sun gear of the first planetary reducer and the second planetary reducer respectively, and can reversely output torque input by the first sun gear to the second planetary reducer.

With reference to the first aspect, in another implementation manner of the first aspect, the second electric machine is in transmission connection with a second ring gear of the second planetary reducer, and outputs torque through a second planet carrier of the second planetary reducer;

the reverse transmission mechanism is in transmission connection with a second sun gear of the second planetary speed reducer so as to reversely transmit the torque input by the first sun gear to the second sun gear or reversely transmit the torque input by the second sun gear to the first sun gear.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the reverse transmission mechanism includes a first gear and a second gear that are externally engaged, the first gear is connected with the first sun gear, and the second gear is connected with the second sun gear, so that an input torque is reversely output.

With reference to the first aspect and the foregoing implementation manner of the first aspect, in another implementation manner of the first aspect, the electrically driven bridge with the mechanical differential further includes a first transmission shaft and a second transmission shaft that are arranged in parallel or at an included angle;

and two ends of the first transmission shaft are in transmission connection with the first sun gear and the first gear respectively, and the second transmission shaft is connected with the second sun gear and the second gear respectively.

With reference to the first aspect and the foregoing implementation manner of the first aspect, in another implementation manner of the first aspect, the electrically driven bridge with the mechanical differential further includes a third transmission shaft and a fourth transmission shaft that are arranged in parallel or at an included angle;

two ends of the third transmission shaft are respectively in transmission connection with the first transmission shaft and the first gear so as to be in transmission connection with the first transmission shaft and the first gear; the fourth transmission shaft is respectively in transmission connection with the second transmission shaft and the second gear so as to be in transmission connection with the second transmission shaft and the second gear.

With reference to the first aspect and the foregoing implementation manner of the first aspect, in another implementation manner of the first aspect, the electrically driven bridge with the mechanical differential further includes a third planetary reducer connected with the first carrier to output a torque through the third planetary reducer.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the first planet carrier is connected to a third sun gear of the third planetary reducer, the third sun gear is coaxially disposed with the first ring gear, and the third planet carrier or the third ring gear of the third planetary reducer is configured to output torque.

With reference to the first aspect and the foregoing implementation manner of the first aspect, in another implementation manner of the first aspect, the electrically driven bridge with the mechanical differential further includes a fourth planetary reducer, and the fourth planetary reducer is connected with the second planetary carrier to output torque through the fourth planetary reducer.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the second planet carrier is connected to a fourth sun gear of the fourth planet gear reducer, the fourth sun gear is coaxially disposed with the second ring gear, and the fourth planet carrier of the fourth planet gear reducer or the fourth ring gear is configured to output torque.

With reference to the first aspect and the foregoing implementation manner of the first aspect, in another implementation manner of the first aspect, the first motor includes a first rotor and a first stator, and the first stator is sleeved on the first rotor and can drive the first rotor to rotate;

the first rotor is sleeved on the first gear ring, and the first sun gear and the first planetary gear of the first planetary speed reducer are arranged in the first rotor.

With reference to the first aspect and the foregoing implementation manner, in another implementation manner of the first aspect, the second motor includes a second rotor and a second stator, and the second stator is sleeved on the second rotor and can drive the second rotor to rotate;

the second rotor is sleeved on the second gear ring, and the second sun gear and the second planet gear of the second planet speed reducer are both arranged in the second rotor.

In a second aspect, the embodiment of the utility model further provides a vehicle, which comprises the electric drive axle with the mechanical differential. The electric drive bridge with the mechanical differential comprises a first motor, a first planetary reducer, a second motor, a second planetary reducer and a reverse transmission mechanism; the first motor is in transmission connection with a first gear ring of the first planetary reducer and outputs torque through a first planet carrier of the first planetary reducer; the second motor and the second planetary reducer output torque through the second planetary reducer; the reverse transmission mechanism is in transmission connection with a first sun gear of the first planetary reducer and the second planetary reducer respectively, and can reversely output torque input by the first sun gear to the second planetary reducer.

Compared with the prior art, the electric drive bridge with the mechanical differential provided by the embodiment of the utility model has the beneficial effects that:

the electric drive bridge with the mechanical differential comprises a first motor, a first planetary reducer, a second motor, a second planetary reducer and a reverse transmission mechanism, wherein the first motor is in transmission connection with a first gear ring of the first planetary reducer, the first motor outputs torque through a first planet carrier of the first planetary reducer, the second motor and the second planetary reducer, and the second motor outputs torque through the second planetary reducer. The reverse transmission mechanism is respectively in transmission connection with the first sun gear and the second planetary reducer of the first planetary reducer, and can reversely output the torque input by the first sun gear to the second planetary reducer, in other words, the reverse transmission mechanism can reversely output the input rotation.

Compared with the prior art, the beneficial effects of the vehicle provided by the embodiment of the utility model are the same as those of the above electric drive axle with the mechanical differential speed, and are not described again.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the utility model and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.

Fig. 1 is a schematic structural diagram of an electric drive axle with a mechanical differential according to an embodiment of the present invention.

Icon: 30-a wheel; 10-electric drive bridge with mechanical differential; 11-a first electric machine; 111-a first rotor; 112-a first stator; 12-a second electric machine; 121-a second rotor; 122-a second stator; 13-a reverse drive mechanism; 131-a first gear; 132-a second gear; 136-a first drive shaft; 137-a second drive shaft; 138-a third drive shaft; 139-a fourth drive shaft; 16-a first planetary reducer; 161-a first ring gear; 162-a first planet; 163-first carrier; 164-a first sun gear; 17-a second planetary reducer; 171-a second ring gear; 172-second planet; 173-second planet carrier; 174-a second sun gear; 18-third planetary reducer; 181-third gear ring; 182-a third planet; 183-third carrier; 184-third sun gear; 19-a fourth planetary reducer; 191-a fourth ring gear; 192-a fourth starwheel; 193-fourth planet carrier; 194 — a fourth sun gear.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. The terms "upper", "lower", "inner", "outer", "left", "right", and the like, refer to an orientation or positional relationship as shown in the drawings, or as would be conventionally found in use of the products of the present invention, or as would be conventionally understood by one of ordinary skill in the art, and are used merely to facilitate the description and simplify the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, configuration, and operation in a particular orientation, and therefore should not be construed as limiting the present invention. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

It is also to be understood that, unless expressly stated or limited otherwise, the terms "disposed," "connected," and the like are intended to be open-ended, and mean "connected," i.e., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The following detailed description of embodiments of the utility model refers to the accompanying drawings.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an electric drive axle 10 with a mechanical differential according to an embodiment of the present invention.

The embodiment of the utility model provides an electrically driven bridge 10 with a mechanical differential, wherein the electrically driven bridge 10 with the mechanical differential realizes a differential function through a mechanical structure, and has the characteristics of low cost and high reliability. The electric drive axle 10 with the mechanical differential can be applied to vehicles such as automobiles and trucks. When the electric drive axle 10 with the mechanical differential is applied to a vehicle, the vehicle is connected with the wheels 30 through the electric drive axle 10 with the mechanical differential and drives the wheels 30 to rotate, so that the vehicle is kept running, and the vehicle also has the characteristics of low cost and high reliability because the vehicle adopts the electric drive axle 10 with the mechanical differential provided by the embodiment of the utility model.

The structural composition, the operation principle and the beneficial effects of the electric drive axle 10 with mechanical differential provided by the embodiment of the present invention will be described in detail below.

With continued reference to fig. 1, the electric drive axle 10 with mechanical differential includes a first electric machine 11, a first planetary gear reducer 16, a second electric machine 12, a second planetary gear reducer 17 and a reverse transmission mechanism 13, wherein the first electric machine 11 is in transmission connection with a first ring gear 161 of the first planetary gear reducer 16, the first electric machine 11 outputs torque through a first carrier 163 of the first planetary gear reducer 16, the second electric machine 12 is in transmission connection with the second planetary gear reducer 17, and the second electric machine 12 outputs torque through the second planetary gear reducer 17. The reverse transmission mechanism 13 is in transmission connection with the first sun gear 164 and the second planetary gear set 17 of the first planetary gear set 16, respectively, and the reverse transmission mechanism 13 can output the torque input by the first sun gear 164 to the second planetary gear set 17 in reverse, in other words, the reverse transmission mechanism 13 can output the input rotation in reverse, because the first planetary gear 162 of the first planetary gear set 16 can rotate and revolve, when the vehicle is turning and the rotation speed of the wheel 30 corresponding to the first planetary gear set 16 is slow or stopped, the power of the first motor 11 can be partially or completely transmitted to the second planetary gear set 17, and it is transmitted to the second planetary gear set 17 through the first ring gear 161, the first planetary gear set 162, the first sun gear 164 and the reverse transmission mechanism 13 in order to realize the purpose of differential speed, because the differential mechanism for realizing the above is a mechanical structure, the cost is low, and the reliability is high.

Further, the second electric machine 12 is in transmission connection with the second ring gear 171 of the second planetary reducer 17 and outputs torque through the second carrier 173 of the second planetary reducer 17, and the reverse transmission mechanism 13 is in transmission connection with the second sun gear 174 of the second planetary reducer 17 so as to reversely transmit the torque input by the first sun gear 164 to the second sun gear 174 when the vehicle turns and the wheel 30 corresponding to the first planetary reducer 16 rotates slowly or stops, or reversely transmit the torque input by the second sun gear 174 to the first sun gear 164 when the vehicle turns and the wheel 30 corresponding to the second planetary reducer 17 rotates slowly or stops, thereby achieving the purpose of mechanical differential. When the vehicle is running straight, due to the reverse transmission mechanism 13, the first sun gear 164 can only rotate in the reverse direction relative to the second sun gear 174, so that the first sun gear 164 and the second sun gear 174 are kept stationary at this time, the power of the first motor 11 is transmitted to the left wheel 30 through the first ring gear 161, the first planet gear 162 and the first carrier 163 in sequence, the power of the second motor 12 is transmitted to the right wheel 30 through the second ring gear 171, the second planet gear 172 and the second carrier 173 in sequence, and the power outputs on the two sides are not interfered with each other.

It should be noted that, in the present embodiment, the reverse transmission mechanism 13 may include the first gear 131 and the second gear 132 which are externally engaged, so that the first gear 131 and the second gear 132 can only rotate in reverse direction, and the first gear 131 is connected with the first sun gear 164, and the second gear 132 is connected with the second sun gear 174, so that the input torque is reversely output through the first gear 131 and the second gear 132, and the first sun gear 164 and the second sun gear 174 are in transmission connection, which has a simple structure and is relatively low in production and manufacturing cost.

Further, the electric drive axle 10 with mechanical differential may further include a first transmission shaft 136 and a second transmission shaft 137 disposed at an included angle, both ends of the first transmission shaft 136 are respectively connected with the first sun gear 164 and the first gear 131 in a transmission manner, the second transmission shaft 137 is respectively connected with the second sun gear 174 and the second gear 132, so that the first gear 131 and the second gear 132 are respectively connected between the first sun gear 164 and the second sun gear 174 through the first transmission shaft 136 and the second transmission shaft 137, and the positions of the first gear 131 and the second gear 132 are conveniently set to adapt to a vehicle with a high floor or a low floor.

It should be noted that the first transmission shaft 136 and the second transmission shaft 137 may be arranged in parallel.

Further, the electric drive bridge 10 with mechanical differential may further include a third transmission shaft 138 and a fourth transmission shaft 139 disposed at an included angle, wherein both ends of the third transmission shaft 138 are respectively in transmission connection with the first transmission shaft 136 and the first gear 131 to be in transmission connection with the first transmission shaft 136 and the first gear 131. The fourth transmission shaft 139 is respectively connected with the second transmission shaft 137 and the second gear 132 in a transmission manner, so that the second transmission shaft 137 and the second gear 132 are connected in a transmission manner, and then, the first transmission shaft 136 and the third transmission shaft 138 are connected with the first gear 131 in a transmission manner, and the second transmission shaft 137 and the fourth transmission shaft 139 are connected with the second gear 132 in a transmission manner, so that the convenience of setting the positions of the first gear 131 and the second gear 132 is further improved, and the vehicle can be adapted to vehicles of different types.

It should be noted that the third transmission shaft 138 and the fourth transmission shaft 139 may be arranged in parallel.

With continued reference to fig. 1, the electrically driven axle 10 with mechanical differential may further include a third planetary reduction gear 18, the third planetary reduction gear 18 being connected to the first carrier 163 such that torque is output to the corresponding wheel 30 through the third planetary reduction gear 18. The two planetary speed reducers are used for outputting torque, the structure is compact, and the speed change ratio is large.

It should be noted that the first carrier 163 is connected to the third sun gear 184 of the third planetary reducer 18, the third sun gear 184 and the first ring gear 161 are coaxially disposed to improve the compactness of the structure, and the third ring gear 181 of the third planetary reducer 18 is fixed to output torque to the left wheel 30 through the third sun gear 184, the third planet gear 182 and the third carrier 183. In other embodiments, the third carrier 183 may be fixed and output torque to the left wheel 30 through the third sun gear 184, the third planet gears 182, and the third ring gear 181.

Further, the electrically driven bridge 10 with mechanical differential may further include a fourth planetary reducer 19, and the fourth planetary reducer 19 is connected with the second carrier 173 to output torque to the right wheel 30 through the fourth planetary reducer 19. The two planetary speed reducers are used for outputting torque, the structure is compact, and the speed change ratio is large.

It should be noted that the second planet carrier 173 is connected to the fourth sun gear 194 of the fourth planetary gear set 19, the fourth sun gear 194 is coaxially disposed with the second ring gear 171 to improve the compactness thereof, and the fourth ring gear 191 of the fourth planetary gear set 19 is fixed to output the torque to the right wheel 30 through the fourth sun gear 194, the fourth planet gear 192 and the fourth planet carrier 193. In other embodiments, the fourth carrier 193 may be fixed and output torque to the right wheel 30 through the fourth sun gear 194, the fourth planet gears 192, and the fourth ring gear 191.

Referring to fig. 1, the first motor 11 may include a first rotor 111 and a first stator 112, the first stator 112 is sleeved on the first rotor 111 and can drive the first rotor 111 to rotate, the first rotor 111 is sleeved on the first ring gear 161, and the first sun gear 164 and the first planetary gear 162 of the first planetary reducer 16 are both disposed in the first rotor 111, so as to improve the compactness of the structure. The first planetary reduction gear 16, the third planetary reduction gear 18 and the first motor 11 are coaxially disposed, and the first planetary reduction gear 16 is substantially located in the first motor 11 to reduce the axial length thereof and the volume of the electrically driven axle 10 with mechanical differential.

The second motor 12 may include a second rotor 121 and a second stator 122, the second stator 122 is disposed on the second rotor 121 and can drive the second rotor 121 to rotate, the second rotor 121 is disposed on the second ring gear 171, and the second sun gear 174 and the second planet gear 172 of the second planetary gear reducer 17 are disposed in the second rotor 121, so as to improve the compactness of the structure. In addition, the second planetary reducer 17, the fourth planetary reducer 19 and the second motor 12 are coaxially arranged, and the second planetary reducer 17 is approximately located in the second motor to reduce the axial length thereof, so as to further reduce the volume of the electric drive bridge 10 with mechanical differential.

In addition, in the embodiment, the driving mechanisms on the two sides are symmetrically arranged, so that the structure is further simplified, and the cost is reduced.

The working principle of the electric drive bridge 10 with the mechanical differential provided by the embodiment of the utility model is as follows:

the electric drive bridge 10 with the mechanical differential comprises a first motor 11, a first planetary reducer 16, a second motor 12, a second planetary reducer 17 and a reverse transmission mechanism 13, wherein the first motor 11 is in transmission connection with a first gear ring 161 of the first planetary reducer 16, the first motor 11 outputs torque through a first planet carrier 163 of the first planetary reducer 16, the second motor 12 is in transmission connection with the second planetary reducer 17, and the second motor 12 outputs torque through the second planetary reducer 17. The reverse transmission mechanism 13 is in transmission connection with the first sun gear 164 and the second planetary gear 17 of the first planetary gear reducer 16, respectively, and the reverse transmission mechanism 13 can output the torque input from the first sun gear 164 to the second planetary gear reducer 17 in reverse, in other words, the reverse transmission mechanism 13 can output the input rotation in reverse, since the first planetary gear 162 of the first planetary gear reducer 16 can rotate and revolve,

when the vehicle is turning and the rotation speed of the wheels 30 corresponding to the first planetary reducer 16 is slow or stopped, the power of the first motor 11 can be partially or completely transmitted to the second planetary reducer 17, and the power is transmitted to the second planetary reducer 17 through the first ring gear 161, the first planetary gear 162, the first sun gear 164 and the reverse transmission mechanism 13 in sequence, so as to realize the purpose of differential speed.

In summary, the present invention provides an electric drive axle 10 with a mechanical differential, which has the features of low cost and high reliability.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that the features in the above embodiments may be combined with each other and the present invention may be variously modified and changed without conflict. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The present embodiments are to be considered as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. An electric drive bridge with a mechanical differential is characterized by comprising a first motor (11), a first planetary reducer (16), a second motor (12), a second planetary reducer (17) and a reverse transmission mechanism (13);

the first motor (11) is in transmission connection with a first gear ring (161) of the first planetary reducer (16) and outputs torque through a first planet carrier (163) of the first planetary reducer (16); the second motor (12) and the second planetary reducer (17) and outputs torque through the second planetary reducer (17);

the reverse transmission mechanism (13) is in transmission connection with a first sun gear (164) of the first planetary reducer (16) and the second planetary reducer (17), and the reverse transmission mechanism (13) can reversely output the torque input by the first sun gear (164) to the second planetary reducer (17).

2. The electrically driven bridge with mechanical differential according to claim 1, characterized in that the second electrical machine (12) is in driving connection with the second ring gear (171) of the second planetary gear reducer (17) and outputs torque through the second planet carrier (173) of the second planetary gear reducer (17);

the reverse transmission mechanism (13) is in transmission connection with a second sun gear (174) of the second planetary reducer (17) so as to reversely transmit the torque input by the first sun gear (164) to the second sun gear (174) or reversely transmit the torque input by the second sun gear (174) to the first sun gear (164).

3. An electric drive axle with mechanical differential according to claim 2, characterized in that the reverse drive mechanism (13) comprises a first gear wheel (131) and a second gear wheel (132) that are externally meshed, the first gear wheel (131) being connected with the first sun wheel (164), the second gear wheel (132) being connected with the second sun wheel (174) so as to output the input torque in reverse.

4. The electrically driven bridge with mechanical differential according to claim 3, characterized in that it further comprises a first transmission shaft (136) and a second transmission shaft (137) arranged in parallel or at an angle;

two ends of the first transmission shaft (136) are respectively in transmission connection with the first sun gear (164) and the first gear (131), and the second transmission shaft (137) is respectively connected with the second sun gear (174) and the second gear (132).

5. The electrically driven bridge with mechanical differential according to claim 4, characterized in that it further comprises a third transmission shaft (138) and a fourth transmission shaft (139) arranged in parallel or at an angle;

two ends of the third transmission shaft (138) are respectively in transmission connection with the first transmission shaft (136) and the first gear (131) so as to be in transmission connection with the first transmission shaft (136) and the first gear (131); the fourth transmission shaft (139) is in transmission connection with the second transmission shaft (137) and the second gear (132) respectively so as to be in transmission connection with the second transmission shaft (137) and the second gear (132).

6. Electrically driven bridge with mechanical differential according to claim 2, characterized in that it further comprises a third planetary reducer (18), said third planetary reducer (18) being connected with said first planet carrier (163) to output a torque through said third planetary reducer (18).

7. Electrically driven axle with mechanical differential according to claim 6, characterized in that the first planet carrier (163) is connected with the third sun gear (184) of the third planetary reduction gear (18), and the third sun gear (184) is arranged coaxially with the first ring gear (161), the third planet carrier (183) or the third ring gear (181) of the third planetary reduction gear (18) being used for torque output.

8. The electric drive axle with mechanical differential according to any one of claims 2 to 5, characterized in that the first electric machine (11) comprises a first rotor (111) and a first stator (112), the first stator (112) is sleeved on the first rotor (111) and can drive the first rotor (111) to rotate;

the first rotor (111) is sleeved on the first gear ring (161), and the first sun gear (164) and the first planetary gear (162) of the first planetary reducer (16) are arranged in the first rotor (111).

9. The electric drive bridge with mechanical differential according to any one of claims 2 to 5, characterized in that the second electric machine (12) comprises a second rotor (121) and a second stator (122), the second stator (122) is sleeved on the second rotor (121) and can drive the second rotor (121) to rotate;

the second rotor (121) is sleeved on the second gear ring (171), and the second sun gear (174) and the second planet gear (172) of the second planetary reducer (17) are both arranged in the second rotor (121).

10. A vehicle, characterized in that it comprises an electrically driven axle with mechanical differential according to any one of claims 1-9.

Images