CN219948320U - Auxiliary driving three-in-one mounting bracket for motor controller - Google Patents

Abstract

The embodiment of the utility model discloses a mounting bracket for an auxiliary driving three-in-one and motor controller, which comprises a front cross beam and a rear cross beam, wherein two ends of the front cross beam are respectively connected to a left rear suspension bracket and a right rear suspension bracket, two ends of the rear cross beam are respectively connected to a left rear girder and a right rear girder, a mounting space is formed above the front cross beam and the rear cross beam, a front motor controller mounting hole and an auxiliary driving three-in-one front mounting hole are formed in the front cross beam, and a rear motor controller rear mounting hole and an auxiliary driving three-in-one rear mounting hole are formed in the rear cross beam. The mounting bracket not only can be used for mounting auxiliary driving three-in-one, but also can be used for mounting the motor controller, has high integration degree, uses fewer parts, and is low in manufacturing cost and mounting cost. In addition, the motor controller and the auxiliary driving three-in-one device can be assembled on the mounting bracket on line to form an integral module, and then the integral module is mounted on the frame along the Z direction, so that modularized assembly is realized, the production efficiency is improved, and batch production is facilitated.

Description

Auxiliary driving three-in-one mounting bracket for motor controller

Technical Field

The utility model relates to the field of installation of auxiliary driving three-in-one and motor controllers in electric automobiles, in particular to an auxiliary driving three-in-one and motor controller installation bracket.

Background

The auxiliary driving three-in-one of the electric automobile is integration of three important units, namely a vehicle-mounted AC/DC power charger, a vehicle-mounted power converter and a vehicle-mounted high-voltage connection line concentration box. The motor controller refers to a device for controlling energy transmission between a braking power supply and a driving motor, and consists of a control signal interface circuit, a driving motor control circuit and a driving circuit.

In the prior art, separate mounting brackets are typically designed for the auxiliary drive three-in-one and motor controller and then placed in different locations on the vehicle body. This increases the number of parts and increases the manufacturing and installation costs.

Therefore, how to avoid the auxiliary driving three-in-one and the installation of the motor controller to increase the manufacturing cost and the installation cost is a critical problem to be solved urgently by those skilled in the art.

Disclosure of Invention

In view of this, the present utility model aims to avoid the auxiliary driving three-in-one and the installation of the motor controller to increase the manufacturing cost and the installation cost.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an assist and drive trinity and motor controller's installing support, includes front cross beam and rear cross beam, the both ends of front cross beam are connected respectively on left back suspension support and right back suspension support, the both ends of rear cross beam are connected respectively on left back girder and right back girder, front cross beam with the top of rear cross beam forms the space that is used for holding motor controller and assists and drive trinity, be provided with on the front cross beam and be the motor controller front mounting hole that distributes about and assist and drive trinity front mounting hole, be provided with on the rear cross beam and be the motor controller rear mounting hole that distributes about and assist and drive trinity rear mounting hole.

Preferably, the left connecting plate comprises a left connecting horizontal plate and a right connecting plate, the right connecting plate comprises a right connecting horizontal plate, the left connecting horizontal plate and the right connecting horizontal plate are respectively connected to the left rear suspension bracket and the right rear suspension bracket, a first left bolt hole penetrating through the left connecting horizontal plate along the vertical direction is formed in the left connecting horizontal plate, and a first right bolt hole penetrating through the right connecting horizontal plate along the vertical direction is formed in the right connecting horizontal plate;

the front cross beam comprises a front cross beam left end portion and a front cross beam right end portion, wherein the front cross beam left end portion and the front cross beam right end portion are matched with the lower surface of the left connecting horizontal plate and the lower surface of the right connecting horizontal plate, the front cross beam left end portion is provided with a second left bolt hole matched with the first left bolt hole, and the front cross beam right end portion is provided with a second right bolt hole matched with the first right bolt hole.

Preferably, a third left bolt hole and a third right bolt hole are respectively arranged on the left rear girder and the right rear girder, and the third left bolt hole and the third right bolt hole extend along the vertical direction; the two ends of the rear cross beam are respectively provided with a rear cross beam left end part and a rear cross beam right end part which are matched with the lower surface of the left rear cross beam and the lower surface of the right rear cross beam, the rear cross beam left end part is provided with a fourth left bolt hole matched with the third left bolt hole, and the rear cross beam right end part is provided with a fourth right bolt hole matched with the third right bolt hole.

Preferably, an overhaul port corresponding to the auxiliary driving three-in-one motor controller is formed in a bottom plate of the frame, and an overhaul cover plate is matched on the overhaul port.

Preferably, the front cross beam is provided with a first reinforcing rib protruding downwards, and the first reinforcing rib penetrates through the front cross beam along the left-right direction;

and/or the rear cross beam is provided with a second reinforcing rib protruding downwards, and the second reinforcing rib penetrates through the rear cross beam along the left-right direction.

Preferably, a first reinforcing boss for the motor controller front mounting hole to penetrate is arranged on the upper surface of the front cross beam, and a second reinforcing boss for the auxiliary driving three-in-one front mounting hole to penetrate is arranged on the auxiliary driving three-in-one front mounting hole;

and/or, on the upper surface of the rear cross beam, a third reinforcing boss for the motor controller rear mounting hole to penetrate is arranged corresponding to the motor controller rear mounting hole, and a fourth reinforcing boss for the auxiliary driving three-in-one rear mounting hole to penetrate is arranged corresponding to the auxiliary driving three-in-one rear mounting hole.

Preferably, the front side and the rear side of the front cross beam respectively form a first turnup and a second turnup which are turned down; and/or the front side and the rear side of the rear cross beam respectively form a third turnup and a fourth turnup which are turned down.

Preferably, the left connecting plate further comprises a left connecting vertical plate, the lower side of the left connecting vertical plate is connected with the left connecting horizontal plate, and the left connecting vertical plate is welded to the left rear suspension bracket; and/or, the right connecting plate further comprises a right connecting vertical plate, the lower side of the right connecting vertical plate is connected with the right connecting horizontal plate, and the right connecting vertical plate is welded to the right rear suspension bracket.

Preferably, a third reinforcing rib protruding in a direction away from the left rear suspension bracket is formed at the middle part of the left connecting vertical plate, the front part and the rear part of the left connecting vertical plate are welded on the left rear suspension bracket, and a fourth reinforcing rib protruding in a direction away from the front cross beam is formed on the left connecting horizontal plate;

and/or, the middle part of the right connecting vertical plate forms a fifth reinforcing rib protruding towards the direction far away from the right rear suspension bracket, the front part and the rear part of the right connecting vertical plate are welded on the right rear suspension bracket, and the middle part of the right connecting horizontal plate forms a sixth reinforcing rib protruding towards the direction far away from the front cross beam.

Preferably, the front side and the rear side of the left connecting vertical plate respectively form a fifth flanging and a sixth flanging which are bent in a direction opposite to the left rear suspension bracket, and the front side and the rear side of the left connecting horizontal plate respectively form a seventh flanging and an eighth flanging which are bent in a direction opposite to the front cross beam;

and/or, the front side and the rear side of the right connecting vertical plate respectively form a ninth flanging and a tenth flanging which are bent back to the direction of the right rear suspension bracket, and the front side and the rear side of the right connecting horizontal plate respectively form an eleventh flanging and a twelfth flanging which are bent back to the direction of the front cross beam.

The mounting bracket has the following beneficial effects:

first, the mounting bracket not only can be used for mounting auxiliary driving three-in-one, but also can be used for mounting a motor controller, has high integration degree, uses fewer parts, and is low in manufacturing cost and mounting cost.

Secondly, the utility model can assemble the motor controller and the auxiliary drive on the mounting bracket on line to form an integral module, and then the integral module is mounted on the frame along the Z direction, thereby realizing modularized assembly, improving the production efficiency and being beneficial to batch production.

Third, the front mounting point of the left rear suspension and the front mounting point of the right rear suspension are connected into a rigid body through the arrangement of the front cross beam, so that the vehicle control performance is improved.

Fourth, the front cross member and the rear cross member promote the overall rigidity of the frame.

Fifthly, a first reinforcing rib is arranged on the front cross beam, and a first flanging and a second flanging are also arranged on the front cross beam, so that the structural strength of the front cross beam is ensured; the rear cross beam is provided with a second reinforcing rib, and the rear cross beam is also provided with a third flanging and a fourth flanging.

Sixth, the setting of left connection plate and right connection plate does benefit to the front cross beam and is connected with left back suspension support and right back suspension support, and does benefit to the front cross beam and lift the installation along Z.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an overall structure of a frame according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a front cross member and left and right rear suspension brackets provided in accordance with one embodiment of the present utility model;

fig. 3 is a schematic structural diagram of an overall module a formed by three-in-one combination of a mounting bracket, a motor controller and an auxiliary drive according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a left connecting plate and a left rear suspension bracket according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a left connecting plate according to an embodiment of the present utility model;

FIG. 6 is a schematic view of an embodiment of the present utility model at a moment when the integral module A is mounted to a vehicle frame;

FIG. 7 is a schematic view of a floor board according to an embodiment of the utility model;

FIG. 8 is a schematic structural view of a front cross member according to an embodiment of the present utility model;

fig. 9 is a schematic structural view of a rear beam according to an embodiment of the present utility model.

The repair and maintenance module comprises a 1-front cross beam, a 2-rear cross beam, a 3-left connecting plate, a 4-left rear suspension bracket, a 5-right rear suspension bracket, a 6-left rear cross beam, a 7-right rear cross beam, an 8-floor, a 9-motor controller, a 10-auxiliary driving three-in-one, a 11-motor controller front mounting hole, a 12-auxiliary driving three-in-one front mounting hole, a 13-front cross beam left end part, a 131 second left bolt hole, a 14-front cross beam right end part, a 141-second right bolt hole, a 15-first reinforcing boss, a 16-second reinforcing boss, a 17-first reinforcing rib, a 18-first flanging, a 21-motor controller rear mounting hole, a 22-auxiliary driving three-in-one rear mounting hole, a 23-rear cross beam left end part, a 24-rear cross beam right end part, a 231-fourth left bolt hole, a 241-fourth right bolt hole, a 25-second reinforcing rib, a 26-third reinforcing boss, a 27-fourth reinforcing boss, a 28-fourth flanging, a 31-left connecting horizontal plate, a 32-left connecting vertical flanging, a 311-left flanging, a seventh flanging, a 312-eighth flanging, a reinforcing rib, a 313-eighth reinforcing rib, a whole repair and a 323-third flange, a whole repair and a reinforcing rib, and a whole repair and a reinforcing flange.

Detailed Description

The utility model aims at providing a mounting bracket for an auxiliary driving three-in-one and motor controller, which can reduce the manufacturing cost and the mounting cost of the auxiliary driving three-in-one and motor controller.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the description of the present utility model, terms such as "upper," "lower," "front," "rear," "left," "right," "middle," and the like indicate directions or positional relationships, which are merely for convenience of description, but do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

Referring to fig. 1, 3 and 6, the utility model discloses a mounting bracket (hereinafter referred to as a mounting bracket) for an auxiliary driving three-in-one and motor controller, which comprises a front beam 1 and a rear beam 2. The front cross member 1 is located in front of the rear cross member 2. The two ends of the front cross beam 1 are respectively connected to a left rear suspension bracket 4 and a right rear suspension bracket 5 of the frame. The two ends of the rear cross beam 2 are respectively connected to a left rear girder 6 and a right rear girder 7. There is a space between the front and rear cross members 1, 2 and the floor 8 of the electric vehicle for accommodating the motor controller 9 and the auxiliary drive three-in-one 10. The front beam 1 is provided with a motor controller front mounting hole 11 and an auxiliary driving three-in-one front mounting hole 12, and the motor controller front mounting hole 11 and the auxiliary driving three-in-one front mounting hole 12 are distributed left and right. The rear cross beam 2 is provided with a motor controller rear mounting hole 21 and an auxiliary driving three-in-one rear mounting hole 22, and the motor controller rear mounting hole 21 and the auxiliary driving three-in-one rear mounting hole 22 are distributed left and right.

In the utility model, the motor controller 9 and the auxiliary driving three-in-one 10 are arranged on the front beam 1 and the rear beam 2 along the left-right direction, namely, the front beam 1 and the rear beam 2 are used for supporting the auxiliary driving three-in-one 10 and also used for supporting the motor controller 1. Compared with the technical scheme that the mounting bracket is designed for the auxiliary driving three-in-one 10 and the motor controller 9 respectively in the prior art, the auxiliary driving three-in-one 10 and the motor controller 9 are supported by one mounting bracket, so that the number of parts used in the technical scheme is small, and the manufacturing cost and the mounting cost are reduced. Compared with the technical scheme that the auxiliary driving three-in-one 10 and the motor controller 9 are respectively arranged in different areas of the vehicle body in the prior art, the technical scheme that the auxiliary driving three-in-one 10 and the motor controller 9 are arranged in the same area of the vehicle body obviously reduces the installation cost.

Secondly, the motor controller 9 is respectively arranged on the front beam 1 and the rear beam 2 through the motor controller front mounting hole 11 and the motor controller rear mounting hole 21, and the auxiliary driving three-in-one 10 is respectively arranged on the front beam 1 and the rear beam 2 through the auxiliary driving three-in-one front mounting hole 12 and the auxiliary driving three-in-one rear mounting hole 22, so that the firmness and the stability of the installation of the motor controller 9 and the auxiliary driving three-in-one 10 are ensured. In addition, the front mounting point of the left rear suspension is positioned on the left rear suspension bracket 4, the front mounting point of the right rear suspension is positioned on the right rear suspension bracket 5, and two ends of the front cross beam 1 are respectively connected with the left rear suspension bracket 4 and the right rear suspension bracket 5, so that the front mounting point of the left rear suspension and the front mounting point of the right rear suspension are connected into a rigid body, thereby improving the vehicle control performance. In addition, the front cross member 1 and the rear cross member 2 promote the overall rigidity of the frame.

Referring to fig. 2, 4 and 5, the mounting bracket of the present utility model further includes a left connecting plate 3 and a right connecting plate (not shown). The left connecting plate 3 and the right connecting plate have the same structure and are arranged in bilateral symmetry. The left connecting plate 3 includes a left connecting horizontal plate 31, and the right connecting plate includes a right connecting horizontal plate. The left connecting horizontal plate 31 and the right connecting horizontal plate are connected to the left rear suspension bracket 4 and the right rear suspension bracket 5, respectively. The left connecting horizontal plate 31 is provided with a first left bolt hole 311, and the first left bolt hole 311 penetrates the left connecting horizontal plate 31 in the up-down direction. The right connecting horizontal plate is provided with a first right bolt hole, and the first right bolt hole penetrates through the right connecting horizontal plate along the up-down direction.

Referring to fig. 1, 2, 3 and 8, the front beam 1 is provided with a front beam left end 13 and a front beam right end 14 at two ends thereof. The front beam left end 13 is provided with a second left bolt hole 131, and the front beam right end 14 is provided with a second right bolt hole 141. The front cross member 1 is installed from below the left and right connecting horizontal plates 31 and 31. The left end 13 of the front cross member is matched and butted with the lower surface of the left connecting horizontal plate 31, and simultaneously, the second left bolt hole 131 on the left end 13 of the front cross member is aligned with the first left bolt hole 311 on the left connecting horizontal plate 31, and the left end 13 of the front cross member is locked on the left connecting horizontal plate 31 through bolts. The front beam right end 14 is matched and butted with the lower surface of the right connecting horizontal plate, meanwhile, the second right bolt hole 141 on the front beam right end 14 is aligned with the first right bolt hole on the right connecting horizontal plate, and the front beam right end 14 is locked on the right connecting horizontal plate through bolts.

In the present embodiment, the arrangement of the left connecting plate 3 and the right connecting plate facilitates the connection of the front cross member 1 with the left rear suspension bracket 4 and the right rear suspension bracket 5. And the front cross member 1 is mounted from below the left and right connecting horizontal plates 31 and 31 in accordance with the ergonomics, facilitating the mounting of the front cross member 1.

Referring to fig. 1, 3 and 9, a third left bolt hole and a third right bolt hole (not shown) are respectively provided on the left rear girder 6 and the right rear girder 7, and the third left bolt hole and the third right bolt hole extend along the up-down direction. The rear cross member 2 is provided with a rear cross member left end portion 23 and a rear cross member right end portion 24 at both ends thereof, respectively. The rear cross member left end 23 is provided with a fourth left bolt hole 231, and the rear cross member right end 24 is provided with a fourth right bolt hole 241. When the rear cross member 2 is mounted, the rear cross member 2 is mounted from below the left rear cross member 6 and the right rear cross member 7, the rear cross member left end portion 23 and the rear cross member right end portion 24 are respectively engaged with the lower surface of the left rear cross member 6 and the lower surface of the right rear cross member 7, the fourth left bolt hole 231 on the rear cross member left end portion 23 is aligned with the third left bolt hole on the left rear cross member 6, the fourth right bolt hole 241 on the rear cross member right end portion 24 is aligned with the third right bolt hole on the right rear cross member 7, the rear cross member left end portion 23 is locked on the left rear cross member 6 by bolts, and the rear cross member right end portion 24 is locked on the right rear cross member 7.

Referring to fig. 6, since the front beam 1 and the rear beam 2 are installed from below, the motor controller 9 and the auxiliary drive 10 can be assembled on the front beam 1 and the rear beam 2 on line to form an integral module a, and then the integral module a is lifted along the Z direction (upward direction) and installed on the frame, that is, the front beam 1 is installed on the left rear suspension bracket 4 and the right rear suspension bracket 5, the rear beam 2 is installed on the left rear girder 6 and the right rear girder 7, and finally the wire harness is inserted and installed. The modularized assembly can remarkably improve the production efficiency, and is suitable for batch production.

Referring to fig. 6 and 7, the utility model further provides an access hole 82 on the floor 8 of the frame, the access hole 82 corresponds to the motor controller 9 and the auxiliary driving three-in-one 10, and an access cover 81 is matched on the access hole 82. During maintenance, the maintenance cover plate 81 is opened from the floor 8 to expose the maintenance opening 82, and the motor controller 9 and the auxiliary drive 10 below are maintained through the maintenance opening 82.

Referring to fig. 8 and 9, the present utility model has the following design based on the structural strength of the front beam 1 and the rear beam 2: the front cross member 1 is provided with a first reinforcing rib 17, and the first reinforcing rib 17 extends through the front cross member 1 in the longitudinal direction of the front cross member 1, or in the left-right direction. And the first reinforcing ribs 17 protrude downward to avoid affecting the installation of the motor controller 9 and the auxiliary drive three-in-one 10.

The rear cross member 2 is provided with second reinforcing ribs 25, and the second reinforcing ribs 25 extend through the rear cross member 2 in the left-right direction or the longitudinal direction of the rear cross member 2. The second reinforcing ribs 25 protrude downward to avoid affecting the installation of the motor controller 9 and the auxiliary drive three-in-one 10.

On the upper surface of the front cross member 1, a first reinforcing boss 15 is provided corresponding to the motor controller front mounting hole 11, and the motor controller mounting hole 11 penetrates the first reinforcing boss 15. The second reinforcing boss 16 is arranged corresponding to the auxiliary driving three-in-one front mounting hole 12, and the auxiliary driving three-in-one front mounting hole 12 penetrates through the second reinforcing boss 16. The first reinforcing boss 15 reinforces the periphery of the motor controller front mounting hole 11, thereby providing an effective locking force for the motor controller 9. The second reinforcing boss 16 reinforces the periphery of the auxiliary driving three-in-one front mounting hole 12, thereby providing effective locking force for the auxiliary driving three-in-one 10.

Similarly, on the upper surface of the rear cross member 2, a third reinforcing boss 26 is provided corresponding to the motor controller rear mounting hole 21, the motor controller rear mounting hole 21 penetrates the third reinforcing boss 26, and the third reinforcing boss 26 forms a reinforcing effect on the periphery of the motor controller rear mounting hole 21 so as to provide an effective locking force for the motor controller 9. On the upper surface of rear cross beam 2, corresponding to the auxiliary drive trinity rear mounting hole 22 has set up fourth reinforcing boss 27, auxiliary drive trinity rear mounting hole 22 runs through fourth reinforcing boss 27, fourth reinforcing boss 27 has formed the reinforcement effect to the periphery of auxiliary drive trinity rear mounting hole 22 to for auxiliary drive trinity 10 provides effectual locking force.

In addition, the front side of the front cross beam 1 is subjected to downward flanging treatment to form a first flanging 18, and the rear side of the front cross beam 1 is subjected to downward flanging treatment to form a second flanging, so that the overall structural strength of the front cross beam 1 is improved. According to the utility model, the front side of the rear cross beam 2 is subjected to downward flanging treatment to form a third flanging, and the rear side of the rear cross beam 2 is subjected to downward flanging treatment to form a fourth flanging 28, so that the overall structure of the rear cross beam 2 is improved.

Referring to fig. 5, it will be understood from the above description that the left connecting plate 3 includes a left connecting horizontal plate 31, and in the embodiment of the present utility model, the left connecting plate 3 further includes a left connecting vertical plate 32, and the lower side of the left connecting vertical plate 32 is connected with the left side portion of the left connecting horizontal plate 31 to form an angular left connecting plate 3. The left connecting vertical plate 32 is welded to the left rear suspension bracket 4 such that the left connecting horizontal plate 31 establishes a connection with the left rear suspension bracket 4 through the left connecting vertical plate 32.

From the above description, it is known that the right connecting plate includes a right connecting horizontal plate, and in the embodiment of the present utility model, the right connecting plate further includes a right connecting vertical plate, and the lower side of the right connecting vertical plate is connected with the right side portion of the right connecting horizontal plate, so as to form an angular right connecting plate. The right connecting vertical plate is welded on the right rear suspension bracket 5, so that the right connecting horizontal plate establishes connection with the right rear suspension bracket 5 through the right connecting vertical plate.

Based on the structural strength of the left connecting plate 3, the utility model arranges the third reinforcing rib 321 in the middle of the left connecting vertical plate 32, and the third reinforcing rib 321 protrudes in a direction away from the left rear suspension bracket 4 or protrudes to the right. The left connecting vertical plate 32 is welded to the left rear suspension bracket 4 at both sides, i.e., front and rear. The front cross member 1 is disposed below the left connecting horizontal plate 31, and a fourth reinforcing rib 314 protruding in a direction away from the front cross member 1 or a fourth reinforcing rib 314 protruding upward is formed at the middle of the left connecting horizontal plate 31.

In the same way, based on the structural strength consideration of the right connecting plate, the utility model arranges a fifth reinforcing rib at the middle part of the right connecting vertical plate, and the fifth reinforcing rib protrudes towards the direction away from the right rear suspension bracket 5 or protrudes towards the left. The right connecting vertical plate is welded on the right rear suspension bracket 5 at both sides, i.e., front and rear. The front cross beam 1 is arranged below the right connecting horizontal plate, and a sixth reinforcing rib protruding towards a direction far away from the front cross beam 1 or a sixth reinforcing rib protruding upwards is formed in the middle of the right connecting horizontal plate.

The utility model also carries out flanging treatment on the left connecting plate 3 and the right connecting plate, and the method comprises the following steps: the front and rear sides of the left connecting vertical plate 32 are respectively turned over, and bent in a direction facing away from the left rear suspension bracket 4, forming fifth turned over edges 322 and sixth turned over edges 323. The front and rear sides of the left connecting horizontal plate 31 are respectively turned over, and are bent in a direction facing away from the front cross member 1, forming a seventh turn-over 312 and an eighth turn-over 313. The arrangement not only carries out flanging treatment on the left connecting plate 3, but also does not interfere the left rear suspension bracket 4 and the front cross beam 1.

The same reason is that the front side and the rear side of the right connecting vertical plate are respectively turned over, and are bent in a direction opposite to the right rear suspension bracket 5, forming a ninth turned over edge and a tenth turned over edge. The front side and the rear side of the right connecting horizontal plate are respectively turned over, and are bent in the direction opposite to the front cross beam 1 to form an eleventh turned over edge and a twelfth turned over edge. The arrangement not only carries out flanging treatment on the right connecting plate, but also does not interfere the right rear suspension bracket 5 and the front cross beam 1.

In summary, the mounting bracket of the utility model has the following beneficial effects:

first, the mounting bracket of the utility model not only can be used for mounting the auxiliary driving three-in-one 10, but also can be used for mounting the motor controller 9, has high integration degree, uses fewer parts and has lower manufacturing cost and mounting cost.

Secondly, the utility model can assemble the motor controller 9 and the auxiliary drive three-in-one 10 on the mounting bracket on line to form the integral module A, and then the integral module A is mounted on the frame along the Z direction, thereby realizing modularized assembly, improving the production efficiency and being beneficial to batch production.

Third, the front mounting point of the left rear suspension and the front mounting point of the right rear suspension are connected as a rigid body by the arrangement of the front cross member 1, thereby improving the vehicle handling performance.

Fourth, the front cross member 1 and the rear cross member 2 promote the overall rigidity of the vehicle frame.

Fifthly, the front cross beam 1 is provided with a first reinforcing rib 17, and the front cross beam 1 is also provided with a first flanging 18 and a second flanging, so that the structural strength of the front cross beam 1 is ensured; the rear cross beam 2 is provided with a second reinforcing rib 25, and the rear cross beam 2 is also provided with a third flanging and a fourth flanging 28.

Sixth, the arrangement of the left connecting plate 3 and the right connecting plate facilitates the connection of the front cross beam 1 with the left rear suspension bracket 4 and the right rear suspension bracket, and facilitates the lifting installation of the front cross beam 1 along the Z direction.

Finally, it is also noted that 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a drive trinity and motor controller's installing support, its characterized in that, including front beam (1) and rear beam (2), the both ends of front beam (1) are connected respectively on left back suspension support (4) and right back suspension support (5), the both ends of rear beam (2) are connected respectively on left back girder (6) and right back girder (7), front beam (1) with the top of rear beam (2) forms the space that is used for holding motor controller (9) and drive trinity (10) to assist, be provided with motor controller front mounting hole (11) and drive trinity front mounting hole (12) that are left and right distribution on front beam (1), be provided with motor controller back mounting hole (21) and drive trinity rear mounting hole (22) that are left and right distribution on rear beam (2).

2. The mounting bracket for the auxiliary drive three-in-one and motor controller according to claim 1, further comprising a left connecting plate (3) and a right connecting plate, wherein the left connecting plate (3) comprises a left connecting horizontal plate (31), the right connecting plate comprises a right connecting horizontal plate, the left connecting horizontal plate (31) and the right connecting horizontal plate are respectively connected to the left rear suspension bracket (4) and the right rear suspension bracket (5), a first left bolt hole (311) penetrating the left connecting horizontal plate (31) along a vertical direction is arranged on the left connecting horizontal plate (31), and a first right bolt hole penetrating the right connecting horizontal plate along a vertical direction is arranged on the right connecting horizontal plate;

the two ends of the front cross beam (1) are respectively provided with a front cross beam left end part (13) and a front cross beam right end part (14) which are matched with the lower surface of the left connecting horizontal plate (31) and the lower surface of the right connecting horizontal plate, the front cross beam left end part (13) is provided with a second left bolt hole (131) matched with the first left bolt hole (311), and the front cross beam right end part (14) is provided with a second right bolt hole (141) matched with the first right bolt hole.

3. The mounting bracket for the auxiliary drive three-in-one and motor controller according to claim 1, wherein a third left bolt hole and a third right bolt hole are respectively arranged on the left rear girder (6) and the right rear girder (7), and the third left bolt hole and the third right bolt hole extend along the vertical direction; the two ends of the rear cross beam (2) are respectively provided with a rear cross beam left end part (23) and a rear cross beam right end part (24) which are matched with the lower surface of the left rear cross beam (6) and the lower surface of the right rear cross beam (7), the rear cross beam left end part (23) is provided with a fourth left bolt hole (231) matched with the third left bolt hole, and the rear cross beam right end part (24) is provided with a fourth right bolt hole (241) matched with the third right bolt hole.

4. The mounting bracket for the auxiliary drive three-in-one and motor controller according to claim 1, wherein an access opening (82) corresponding to the auxiliary drive three-in-one (10) and the motor controller (9) is arranged on a bottom plate (8) of the frame, and an access cover plate (81) is matched on the access opening (82).

5. The mounting bracket of the auxiliary drive three-in-one and motor controller according to claim 1, wherein a first reinforcing rib (17) protruding downwards is arranged on the front cross beam (1), and the first reinforcing rib (17) penetrates through the front cross beam (1) along the left-right direction;

and/or, the rear cross beam (2) is provided with a second reinforcing rib (25) protruding downwards, and the second reinforcing rib (25) penetrates through the rear cross beam (2) along the left-right direction.

6. The mounting bracket for the auxiliary drive three-in-one and motor controller according to claim 1, wherein a first reinforcing boss (15) for penetrating through the motor controller front mounting hole (11) is arranged on the upper surface of the front cross beam (1) corresponding to the motor controller front mounting hole (11), and a second reinforcing boss (16) for penetrating through the auxiliary drive three-in-one front mounting hole (12) is arranged corresponding to the auxiliary drive three-in-one front mounting hole (12);

and/or, on the upper surface of the rear cross beam (2), a third reinforcing boss (26) which is used for the motor controller rear mounting hole (21) to penetrate is arranged corresponding to the motor controller rear mounting hole (21), and a fourth reinforcing boss (27) which is used for the auxiliary driving three-in-one rear mounting hole (22) to penetrate is arranged corresponding to the auxiliary driving three-in-one rear mounting hole (22).

7. The mounting bracket for the auxiliary drive three-in-one and motor controller according to claim 1, wherein a first flanging (18) and a second flanging which are turned down are respectively formed on the front side and the rear side of the front cross beam (1); and/or the front side and the rear side of the rear cross beam (2) respectively form a third turnup and a fourth turnup (28) which are turned down.

8. The mounting bracket of the auxiliary drive three-in-one and motor controller according to claim 2, wherein the left connecting plate (3) further comprises a left connecting vertical plate (32), the lower side of the left connecting vertical plate (32) is connected with the left connecting horizontal plate (31), and the left connecting vertical plate (32) is welded to the left rear suspension bracket (4); and/or, the right connecting plate further comprises a right connecting vertical plate, the lower side of the right connecting vertical plate is connected with the right connecting horizontal plate, and the right connecting vertical plate is welded to the right rear suspension bracket (5).

9. The mounting bracket of the auxiliary drive three-in-one and motor controller according to claim 8, wherein a third reinforcing rib (321) protruding in a direction away from the left rear suspension bracket (4) is formed at the middle part of the left connecting vertical plate (32), the front part and the rear part of the left connecting vertical plate (32) are welded on the left rear suspension bracket (4), and a fourth reinforcing rib (314) protruding in a direction away from the front cross beam (1) is formed on the left connecting horizontal plate (31);

and/or, the middle part of the right connecting vertical plate forms a fifth reinforcing rib protruding towards the direction far away from the right rear suspension bracket (5), the front part and the rear part of the right connecting vertical plate are welded on the right rear suspension bracket (5), and the middle part of the right connecting horizontal plate forms a sixth reinforcing rib protruding towards the direction far away from the front cross beam (1).

10. The mounting bracket of the auxiliary drive three-in-one and motor controller according to claim 8, wherein a fifth flange (322) and a sixth flange (323) which are bent in a direction opposite to the left rear suspension bracket (4) are formed at the front side and the rear side of the left connecting vertical plate (32), respectively, and a seventh flange (312) and an eighth flange (313) which are bent in a direction opposite to the front cross beam (1) are formed at the front side and the rear side of the left connecting horizontal plate (31), respectively;

and/or, the front side and the rear side of the right connecting vertical plate respectively form a ninth flanging and a tenth flanging which are bent back to the direction of the right rear suspension bracket (5), and the front side and the rear side of the right connecting horizontal plate respectively form an eleventh flanging and a twelfth flanging which are bent back to the direction of the front cross beam (1).