Power assembly and vehicle

Abstract

The utility model provides a power assembly and a vehicle, the power assembly comprises a transmission and a speed reducer, the transmission and the speed reducer are connected in sequence along a first direction; the plurality of power devices are arranged at intervals around a preset center line parallel to the first direction, each power device comprises at least one motor, and the motor of each power device is connected with the speed reducer; the plurality of fixing parts and the plurality of power devices are arranged in a one-to-one correspondence mode, each fixing part is located on the side, away from the preset center line, of the corresponding power device, each fixing part is connected with a motor of the corresponding power device, and each fixing part is connected with a speed reducer; the problem that in the prior art, connection between four motors and a speed reducer of a power assembly of a mining truck is not firm enough is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, and in particular to a power assembly and a vehicle. Background Art

[0002] Mining trucks have a great demand for power. Usually, one powertrain requires four motors. Since the operating environment of mining trucks is quite harsh, if the four motors are directly installed on the powertrain to form a cantilever structure, such a connection is not strong enough. During the operation of the mining truck, if it encounters bumpy roads, the severe vibration will seriously affect the service life of the powertrain. Utility Model Content

[0003] The main purpose of the utility model is to provide a power assembly and a vehicle to solve the problem that the connection between the four motors and the reducer of the power assembly of the mining truck in the prior art is not firm enough.

[0004] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a power assembly is provided, including: a transmission and a reducer, the transmission and the reducer are connected in sequence along a first direction; a plurality of power devices, the plurality of power devices are arranged at intervals around a predetermined center line parallel to the first direction, each power device includes at least one motor, and the motor of each power device is connected to the reducer; a plurality of fixed components, the plurality of fixed components are arranged one-to-one corresponding to the plurality of power devices, each fixed component is located on a side of the corresponding power device away from the predetermined center line, each fixed component is connected to the motor of the corresponding power device, and each fixed component is connected to the reducer.

[0005] Furthermore, the fixing component includes a first fixing plate and a second fixing plate which are sequentially connected along a first direction, the first fixing plate is connected to a motor of a corresponding power device, and the second fixing plate is connected to a reducer.

[0006] Further, the first fixed plate includes a first plate body and a second plate body connected to each other, the first plate body is parallel to the first direction, the second plate body is perpendicular to the first direction, the first plate body is located on a side of the second plate body away from the second fixed plate and on a side of the second plate body close to the motor of the corresponding power device; the second fixed plate includes a third plate body and a fourth plate body connected to each other, the third plate body is parallel to the first direction, the fourth plate body is perpendicular to the first direction, the third plate body is located on a side of the fourth plate body away from the first fixed plate and on a side of the fourth plate body close to the reducer; wherein the first plate body is connected to the motor of the corresponding power device, the third plate body is connected to the reducer, and the second plate body is connected to the fourth plate body.

[0007] Furthermore, the motor includes a motor housing and two motor fixing seats connected to the motor housing, the two motor fixing seats are arranged at opposite sides of the motor housing at intervals along the second direction, and the motor fixing seats are used to connect with corresponding fixing components; wherein the first direction and the second direction are perpendicular to each other.

[0008] Furthermore, the motor includes a motor housing, a water inlet and a water outlet, both of which are connected to the motor housing, and the water inlet and the water outlet are spaced apart on a side of the motor housing away from a predetermined center line; the power assembly includes a water inlet pipe and a water outlet pipe, the water inlet pipe is connected to the water inlet, and the water outlet pipe is connected to the water outlet.

[0009] Furthermore, the power assembly includes a water pipe bracket, which is used to fix the water inlet pipe and / or the water outlet pipe; wherein the water pipe bracket is installed on the motor housing of the motor of the power device.

[0010] Furthermore, the water pipe bracket includes a support seat and a water pipe clamping piece arranged on the support seat, the support seat is connected to the corresponding motor housing, and the water pipe clamping piece is provided with a water pipe clamping interface for the water inlet pipe or the water outlet pipe to be clamped in to limit the water inlet pipe or the water outlet pipe.

[0011] Furthermore, there are two power devices, which are spaced apart along the second direction; there are two fixed components, which are spaced apart along the second direction; wherein each power device includes two motors spaced apart along the third direction, and the first direction, the second direction and the third direction are perpendicular to each other.

[0012] Furthermore, one of the two power devices includes a first motor and a second motor, and the other of the two power devices includes a third motor and a fourth motor; the first motor and the third motor are arranged at intervals along the second direction, and the second motor and the third motor are arranged at intervals along the second direction; wherein, the number of water inlet pipes is two, one water inlet pipe is connected to the water inlets of the first motor and the third motor, and the other water inlet pipe is connected to the water inlets of the second motor and the fourth motor; the number of water outlet pipes is two, one water outlet pipe is connected to the water outlets of the first motor and the third motor, and the other water outlet pipe is connected to the water outlets of the second motor and the fourth motor.

[0013] According to another aspect of the present invention, a vehicle is provided, comprising the above-mentioned power assembly.

[0014] According to the technical solution of the utility model, the power assembly includes a transmission, a reducer, a plurality of power devices and a plurality of fixed components. The transmission and the reducer are connected in sequence along a first direction. The plurality of power devices are arranged at intervals around a predetermined center line parallel to the first direction, each power device includes at least one motor, and the motor of each power device is connected to the reducer. The plurality of fixed components are arranged one by one with the plurality of power devices, each fixed component is located on a side of the corresponding power device away from the predetermined center line, each fixed component is connected to the motor of the corresponding power device, and each fixed component is connected to the reducer. In this way, in the process of installing the power assembly, the motor of each power device can be connected to the reducer first, then the motor of each power device can be connected to the fixed component, and finally the fixed component can be connected to the reducer. In this way, by placing the operation of connecting the fixed component to the reducer at the end, the installation efficiency of the fixed component can be improved, thereby improving the installation efficiency of the power assembly.

[0015] Applying the technical solution of the utility model, the power assembly of the utility model includes: a transmission and a reducer, the transmission and the reducer are connected in sequence along a first direction; a plurality of power devices, the plurality of power devices are arranged at intervals around a predetermined center line parallel to the first direction, each power device includes at least one motor, and the motor of each power device is connected to the reducer; a plurality of fixed components, the plurality of fixed components are arranged one-to-one with the plurality of power devices, each fixed component is located on the side of the corresponding power device away from the predetermined center line, each fixed component is connected to the motor of the corresponding power device, and each fixed component is connected to the reducer. In this way, the power assembly of the utility model strengthens the connection between the motor and the reducer of each power device by setting a plurality of fixed components corresponding to the plurality of power devices, solves the problem that the connection between the four motors and the reducer of the power assembly of the mining truck in the prior art is not firm enough, and avoids the phenomenon that the service life of the power assembly is easily seriously affected by the violent vibration of the bumpy road section during the operation of the mining truck. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 A schematic structural diagram of an embodiment of a power assembly according to the utility model is shown;

[0018] Figure 2 Shows Figure 1 a side view of the powertrain as shown;

[0019] Figure 3 Shows Figure 1 A side view of an electric machine of a power unit of a powertrain is shown.

[0020] The above drawings include the following reference numerals:

[0021] 1. Transmission;

[0022] 2. Reducer;

[0023] 3. Power device; 31. Motor; 311. First motor; 312. Second motor; 313. Third motor; 314. Fourth motor; 32. Motor housing; 33. Motor fixing seat; 34. Water inlet; 35. Water outlet;

[0024] 4. Fixing member; 41. First fixing plate; 42. Second fixing plate;

[0025] 5. Water inlet pipe;

[0026] 6. Water outlet pipe. DETAILED DESCRIPTION

[0027] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0028] like Figures 1 to 3 As shown, the utility model improves a power assembly, including: a transmission 1 and a reducer 2, the transmission 1 and the reducer 2 are connected in sequence along a first direction; a plurality of power devices 3, the plurality of power devices 3 are arranged at intervals around a predetermined center line parallel to the first direction, each power device 3 includes at least one motor 31, and the motor 31 of each power device 3 is connected to the reducer 2; a plurality of fixed components 4, the plurality of fixed components 4 are arranged in a one-to-one correspondence with the plurality of power devices 3, each fixed component 4 is located on a side of the corresponding power device 3 away from the predetermined center line, each fixed component 4 is connected to the motor 31 of the corresponding power device 3, and each fixed component 4 is connected to the reducer 2.

[0029] In this way, the powertrain of the utility model strengthens the connection between the motor 31 of each power device 3 and the reducer 2 by setting a plurality of fixing components 4 corresponding to the plurality of power devices 3, thereby solving the problem of the weak connection between the four motors and the reducer of the powertrain of the mining truck in the prior art, and avoiding the phenomenon that the service life of the powertrain is easily seriously affected by the severe vibration of the bumpy road section during the operation of the mining truck.

[0030] like Figure 1As shown, the fixing component 4 includes a first fixing plate 41 and a second fixing plate 42 connected in sequence along a first direction, the first fixing plate 41 is connected to the motor 31 of the corresponding power device 3, and the second fixing plate 42 is connected to the reducer 2.

[0031] like Figure 1 As shown, the first fixed plate 41 includes a first plate body and a second plate body connected to each other, the first plate body is parallel to the first direction, the second plate body is perpendicular to the first direction, the first plate body is located on the side of the second plate body away from the second fixed plate 42 and on the side of the second plate body close to the motor 31 of the corresponding power device 3; the second fixed plate 42 includes a third plate body and a fourth plate body connected to each other, the third plate body is parallel to the first direction, the fourth plate body is perpendicular to the first direction, the third plate body is located on the side of the fourth plate body away from the first fixed plate 41 and on the side of the fourth plate body close to the reducer 2; wherein the first plate body is connected to the motor 31 of the corresponding power device 3, the third plate body is connected to the reducer 2, and the second plate body is connected to the fourth plate body.

[0032] Specifically, the first plate body is connected to the motor 31 of the corresponding power device 3 via a first fastener, the third plate body is connected to the reducer 2 via a second fastener, and the second plate body and the fourth plate body are connected via a third fastener.

[0033] like Figure 1 and Figure 3 As shown, the motor 31 includes a motor housing 32 and two motor fixing seats 33 connected to the motor housing 32. The two motor fixing seats 33 are arranged at opposite sides of the motor housing 32 at intervals along the second direction, and the motor fixing seats 33 are used to connect with the corresponding fixing components 4; wherein the first direction and the second direction are perpendicular to each other.

[0034] Specifically, one of the two motor fixing seats 33 of each motor 31 is connected to the corresponding fixing component 4 , and the other is not connected to any component.

[0035] like Figure 1 and Figure 2 As shown, the motor 31 includes a motor housing 32, a water inlet 34 and a water outlet 35, both of which are connected to the motor housing 32, and the water inlet 34 and the water outlet 35 are spaced apart on one side of the motor housing 32 away from a predetermined center line; the power assembly includes a water inlet pipe 5 and a water outlet pipe 6, the water inlet pipe 5 is connected to the water inlet 34, and the water outlet pipe 6 is connected to the water outlet 35.

[0036] In this way, the utility model optimizes the water channel arrangement of the motor 31 while satisfying the structural strength of the motor housing 32 of the motor 31, thereby reducing the production and maintenance costs of the power assembly.

[0037] Preferably, the power assembly includes a water pipe bracket, which is used to fix the water inlet pipe 5 and / or the water outlet pipe 6; wherein, the water pipe bracket is installed on the motor housing 32 of the motor 31 of the power device 3 to reduce the shaking amplitude of the water inlet pipe 5 and / or the water outlet pipe 6 and improve the stability of the water inlet pipe 5 and / or the water outlet pipe 6.

[0038] Further preferably, the water pipe bracket includes a support seat and a water pipe clamping piece arranged on the support seat, the support seat is connected to the corresponding motor housing 32, and the water pipe clamping piece is provided with a water pipe clamping interface for the water inlet pipe 5 or the water outlet pipe 6 to be clamped in to limit the water inlet pipe 5 or the water outlet pipe 6.

[0039] like Figure 1 and Figure 2 As shown, it is characterized in that the number of power devices 3 is two, and the two power devices 3 are arranged at intervals along the second direction; the number of fixing components 4 is two, and the two fixing components 4 are arranged at intervals along the second direction; wherein each power device 3 includes two motors 31 arranged at intervals along the third direction, and the first direction, the second direction and the third direction are perpendicular to each other.

[0040] like Figure 1 and Figure 2 As shown, one of the two power devices 3 includes a first motor 311 and a second motor 312, and the other of the two power devices 3 includes a third motor 313 and a fourth motor 314; the first motor 311 and the third motor 313 are arranged at intervals along the second direction, and the second motor 312 and the third motor 313 are arranged at intervals along the second direction; wherein, the number of the water inlet pipes 5 is two, one water inlet pipe 5 is connected to the water inlets 34 of the first motor 311 and the third motor 313, and the other water inlet pipe 5 is connected to the water inlets 34 of the second motor 312 and the fourth motor 314; the number of the water outlet pipes 6 is two, one water outlet pipe 6 is connected to the water outlets 35 of the first motor 311 and the third motor 313, and the other water outlet pipe 6 is connected to the water outlets 35 of the second motor 312 and the fourth motor 314.

[0041] The utility model also provides a vehicle, comprising the above-mentioned power assembly.

[0042] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0043] The technical scheme of the utility model is applied, and the power assembly of the utility model includes: a transmission 1 and a reducer 2, which are connected in sequence along a first direction; a plurality of power devices 3, which are arranged at intervals around a predetermined center line parallel to the first direction, and each power device 3 includes at least one motor 31, and the motor 31 of each power device 3 is connected to the reducer 2; a plurality of fixing components 4, which are arranged one-to-one with the plurality of power devices 3, and each fixing component 4 is located on a side of the corresponding power device 3 away from the predetermined center line, and each fixing component 4 is connected to the motor 31 of the corresponding power device 3, and each fixing component 4 is connected to the reducer 2. In this way, the power assembly of the utility model strengthens the connection between the motor 31 of each power device 3 and the reducer 2 by setting a plurality of fixing components 4 corresponding to the plurality of power devices 3, solves the problem that the connection between the four motors and the reducer of the power assembly of the mining truck in the prior art is not firm enough, and avoids the phenomenon that the service life of the power assembly is easily seriously affected by the violent vibration of the bumpy road section during the operation of the mining truck.

[0044] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0045] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0046] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0047] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0048] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0049] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A powertrain, characterized in that: include: A transmission (1) and a reducer (2), wherein the transmission (1) and the reducer (2) are connected in sequence along a first direction; A plurality of power devices (3), the plurality of power devices (3) being arranged at intervals around a predetermined center line parallel to the first direction, each of the power devices (3) comprising at least one motor (31), and the motor (31) of each of the power devices (3) being connected to the reducer (2); A plurality of fixed components (4), wherein the plurality of fixed components (4) are arranged in one-to-one correspondence with the plurality of power devices (3), each of the fixed components (4) is located on a side of the corresponding power device (3) away from the predetermined center line, each of the fixed components (4) is connected to the motor (31) of the corresponding power device (3), and each of the fixed components (4) is connected to the reducer (2).

2. The powertrain according to claim 1, characterized in that: The fixing component (4) comprises a first fixing plate (41) and a second fixing plate (42) which are connected in sequence along the first direction, the first fixing plate (41) being connected to the motor (31) of the corresponding power device (3), and the second fixing plate (42) being connected to the reducer (2).

3. The powertrain according to claim 2, characterized in that: The first fixing plate (41) comprises a first plate body and a second plate body connected to each other, the first plate body is parallel to the first direction, the second plate body is perpendicular to the first direction, and the first plate body is located on a side of the second plate body away from the second fixing plate (42) and on a side of the second plate body close to the motor (31) of the corresponding power device (3); The second fixing plate (42) comprises a third plate body and a fourth plate body connected to each other, the third plate body is parallel to the first direction, the fourth plate body is perpendicular to the first direction, and the third plate body is located on a side of the fourth plate body away from the first fixing plate (41) and on a side of the fourth plate body close to the reducer (2); Wherein, the first plate body is connected to the motor (31) of the corresponding power device (3), the third plate body is connected to the reducer (2), and the second plate body is connected to the fourth plate body.

4. The powertrain according to claim 1, characterized in that: The motor (31) comprises a motor housing (32) and two motor fixing seats (33) connected to the motor housing (32); the two motor fixing seats (33) are arranged at intervals on opposite sides of the motor housing (32) along a second direction; the motor fixing seats (33) are used to connect to the corresponding fixing components (4); wherein the first direction and the second direction are perpendicular to each other.

5. The powertrain according to claim 1, characterized in that: The motor (31) comprises a motor housing (32), a water inlet (34) and a water outlet (35), wherein the water inlet (34) and the water outlet (35) are both connected to the motor housing (32), and the water inlet (34) and the water outlet (35) are arranged at intervals on a side of the motor housing (32) away from the predetermined center line; The power assembly comprises a water inlet pipe (5) and a water outlet pipe (6), wherein the water inlet pipe (5) is connected to the water inlet (34), and the water outlet pipe (6) is connected to the water outlet (35).

6. The powertrain according to claim 5, characterized in that: The power assembly comprises a water pipe bracket, and the water pipe bracket is used to fix the water inlet pipe (5) and / or the water outlet pipe (6); wherein the water pipe bracket is installed on the motor housing (32) of the motor (31) of the power device (3).

7. The powertrain according to claim 6, characterized in that: The water pipe bracket comprises a support seat and a water pipe clamping piece arranged on the support seat, the support seat is connected to the corresponding motor housing (32), and the water pipe clamping piece is provided with a water pipe clamping interface for the water inlet pipe (5) or the water outlet pipe (6) to be clamped in order to limit the water inlet pipe (5) or the water outlet pipe (6).

8. The powertrain according to claim 5, characterized in that: The number of the power devices (3) is two, and the two power devices (3) are arranged at intervals along the second direction; The number of the fixing components (4) is two, and the two fixing components (4) are arranged at intervals along the second direction; Wherein, each of the power devices (3) comprises two motors (31) arranged at intervals along a third direction, and the first direction, the second direction and the third direction are perpendicular to each other.

9. The powertrain according to claim 8, characterized in that: One of the two power devices (3) comprises a first motor (311) and a second motor (312), and the other of the two power devices (3) comprises a third motor (313) and a fourth motor (314); the first motor (311) and the third motor (313) are arranged at intervals along the second direction, and the second motor (312) and the third motor (313) are arranged at intervals along the second direction; wherein, The number of the water inlet pipes (5) is two, one of the water inlet pipes (5) is connected to the water inlets (34) of the first motor (311) and the third motor (313), and the other of the water inlet pipes (5) is connected to the water inlets (34) of the second motor (312) and the fourth motor (314); There are two water outlet pipes (6), one of which is connected to the water outlets (35) of the first motor (311) and the third motor (313), and the other of which is connected to the water outlets (35) of the second motor (312) and the fourth motor (314).

10. A vehicle, characterized in that: A powertrain comprising any one of claims 1 to 9.

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