Motor suspension bracket mounting structure and vehicle

Abstract

The present application relates to the technical field of vehicle parts, and provides a motor suspension support mounting structure and a vehicle, the motor suspension support mounting structure comprising a first suspension support, a second suspension support, a vehicle body cross beam and a subframe, the first suspension support being connected to the vehicle body cross beam, the subframe comprising a frame cross beam and a frame longitudinal beam, one end of the frame longitudinal beam being connected to the vehicle body cross beam along the front-rear direction of the vehicle, the other end being connected to the frame cross beam, the second suspension support being connected to one end of the frame longitudinal beam away from the vehicle body cross beam or the frame cross beam, and both ends of the vehicle body cross beam and the frame cross beam along the left-right direction of the vehicle being used for being connected to the vehicle body longitudinal beam of the vehicle respectively. In this way, by arranging the first suspension support on the vehicle body cross beam and arranging the second suspension support on the subframe, the subframe cancels the cross beam structure specially provided for the first suspension support to provide a mounting position, so that the weight and cost of the whole vehicle can be reduced to a greater extent.

Description

Technical Field

[0001] This invention relates to the field of vehicle component technology, and more specifically, to a motor mounting bracket structure and a vehicle. Background Technology

[0002] The motor mount assembly is a crucial component of electric vehicles, serving to support the drive motor and reduce vibration transmission. The motor mount assembly mainly consists of a motor mount bracket and rubber pads, with the drive motor mounted on the motor mount bracket via the rubber pads.

[0003] Currently, motor mounts are typically mounted on the subframe, which is a crucial component supporting the overall vehicle weight. Therefore, it is usually designed to be relatively thick and heavy, with a certain design margin. Since the motor mount needs to withstand various loads from the drive motor during operation, it has certain strength and rigidity requirements, and is thus also designed to be relatively thick and heavy. This can easily increase the overall vehicle weight and cost, hindering lightweight vehicle design. Summary of the Invention

[0004] The problem this invention addresses is how to reduce the overall vehicle weight and cost while ensuring that the motor mounting bracket meets the usage requirements.

[0005] To address the aforementioned problems, the present invention provides a motor mounting bracket structure, comprising a first mounting bracket, a second mounting bracket, a vehicle body crossbeam, and a subframe. The first mounting bracket is connected to the vehicle body crossbeam. The subframe includes a frame crossbeam and a frame longitudinal beam. One end of the frame longitudinal beam along the longitudinal direction of the vehicle is connected to the vehicle body crossbeam, and the other end is connected to the frame crossbeam. The second mounting bracket is connected to either the end of the frame longitudinal beam away from the vehicle body crossbeam or the frame crossbeam. The two ends of the vehicle body crossbeam and the frame crossbeam along the left-right direction of the vehicle are respectively used to connect to the vehicle body longitudinal beam.

[0006] Optionally, the second suspension bracket is located at the connection between the crossbeam and the longitudinal beam of the frame.

[0007] Optionally, the subframe further includes a joint reinforcement plate, which is disposed at the connection between the frame crossbeam and the frame longitudinal beam, and is located on one or both sides of the frame longitudinal beam along the left-right direction of the vehicle.

[0008] Optionally, the first suspension bracket includes a first suspension sleeve and a bracket body. The internal space of the first suspension sleeve is used to install a first vibration damping pad. The bracket body has a first cavity, and one end of the bracket body is connected to the vehicle body crossbeam, and the other end is connected to the outer wall of the first suspension sleeve.

[0009] Optionally, the bracket body includes a first support plate, a second support plate, a third support plate, and a fourth support plate that are sequentially connected and form the first cavity. One end of the first support plate, the second support plate, the third support plate, and the fourth support plate are respectively connected to the vehicle body crossbeam, and the other end are respectively connected to the outer side wall of the first suspension sleeve. The first support plate is connected to the fourth support plate. The first support plate and the third support plate are arranged opposite to each other, and the second support plate and the fourth support plate are arranged opposite to each other.

[0010] Optionally, the first cavity gradually narrows from one end of the bracket body connected to the vehicle body crossbeam to one end of the bracket body connected to the first suspension sleeve.

[0011] Optionally, at least one of the first support plate, the second support plate, the third support plate, and the fourth support plate is provided with a flange, and the bracket body is connected to the vehicle body crossbeam through the flange.

[0012] Optionally, the second suspension bracket includes a second suspension sleeve, an inner support plate, and an outer support plate. The internal space of the second suspension sleeve is used to install a second vibration damping pad. One end of the inner support plate and the outer support plate are respectively connected to the outer side wall of the second suspension sleeve, and the other end of the inner support plate and the outer support plate are respectively connected to the subframe. The outer support plate is connected to the side of the inner support plate facing outwards from the vehicle and together with the inner support plate, forms a second cavity.

[0013] Optionally, the subframe further includes a tie rod mounting bracket, which is connected to the longitudinal beam of the frame and the side of the inner support plate facing outwards from the vehicle, and the inner support plate and the outer support plate are respectively connected to the tie rod mounting bracket at one end along the front-rear direction of the vehicle.

[0014] To address the aforementioned problems, the present invention also provides a vehicle including the motor suspension bracket mounting structure described above.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] This invention allows for the installation of motor mounts by mounting a first mount on the vehicle body crossbeam and a second mount on the subframe crossbeam, or on the end of the frame longitudinal beam away from the vehicle body crossbeam. Simultaneously, by connecting one end of the subframe longitudinal beam along the vehicle's longitudinal direction to the vehicle body crossbeam and the other end to the subframe crossbeam, and connecting the vehicle body crossbeam and the frame crossbeam at their respective ends along the vehicle's left-right direction to the vehicle body longitudinal beam, the assembly of the vehicle body crossbeam and subframe for mounting the motor mounts is achieved. Compared to the prior art where both the front and rear motor mounts are mounted on the subframe, this invention eliminates the crossbeam structure in the subframe specifically providing an installation position for the first mount, significantly reducing overall vehicle weight and cost. This allows the motor mount mounting structure to meet usage requirements while also being lightweight and economical. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the motor mounting bracket installation structure and the assembly of the drive motor and the vehicle body longitudinal beam in an embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of the motor mounting bracket assembly structure on the vehicle body longitudinal beam in an embodiment of the present invention;

[0019] Figure 3 This is a partial structural diagram of the motor suspension mounting bracket structure at the first suspension bracket in an embodiment of the present invention;

[0020] Figure 4 This is a schematic diagram of the structure of the first suspension bracket in an embodiment of the present invention;

[0021] Figure 5 This is an exploded structural diagram of the first suspension bracket in an embodiment of the present invention;

[0022] Figure 6 This is a cross-sectional view of the first suspension bracket in an embodiment of the present invention;

[0023] Figure 7 This is a partial structural diagram of the motor suspension mounting structure at the second suspension bracket in an embodiment of the present invention.

[0024] Explanation of reference numerals in the attached figures:

[0025] 1. First suspension bracket; 11. First suspension sleeve; 12. Bracket body; 121. First support plate; 122. Second support plate; 123. Third support plate; 124. Fourth support plate; 13. Flanged edge; 2. Second suspension bracket; 21. Second suspension sleeve; 22. Inner support plate; 23. Outer support plate; 3. Body crossbeam; 4. Subframe; 41. Frame crossbeam; 42. Frame longitudinal beam; 43. Joint reinforcement plate; 44. Tie rod mounting bracket; 100. Drive motor; 200. Body longitudinal beam; 300. First vibration damping pad; 400. Second vibration damping pad. Detailed Implementation

[0026] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0027] In the attached diagram, the Z-axis represents the vertical direction, i.e., up and down, with the positive direction of the Z-axis representing upward and the negative direction representing downward. The X-axis represents the horizontal direction and is designated as front and back, with the positive direction of the X-axis representing the front and the negative direction representing the back. The Y-axis represents the left and right position, with the positive direction of the Y-axis representing the left and the negative direction representing the right. It should be noted that the aforementioned representations of the Z, Y, and X axes are merely for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention.

[0028] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of the invention described herein can be implemented in sequences other than those illustrated or described herein.

[0029] Combination Figure 1 and Figure 2 As shown, this embodiment of the invention provides a motor suspension bracket mounting structure, including a first suspension bracket 1, a second suspension bracket 2, a vehicle body crossbeam 3, and a subframe 4. The first suspension bracket 1 is connected to the vehicle body crossbeam 3. The subframe 4 includes a frame crossbeam 41 and a frame longitudinal beam 42. One end of the frame longitudinal beam 42 along the front-rear direction of the vehicle is connected to the vehicle body crossbeam 3, and the other end is connected to the frame crossbeam 41. The second suspension bracket 2 is connected to the end of the frame longitudinal beam 42 away from the vehicle body crossbeam 3 or the frame crossbeam 41. The two ends of the vehicle body crossbeam 3 and the frame crossbeam 41 along the left-right direction of the vehicle are respectively used to connect to the vehicle body longitudinal beam 200.

[0030] It should be noted that the vehicle's forward and backward direction is... Figure 1 and Figure 2 The X-axis direction, also known as the front-to-back direction, and the left-to-right direction of the vehicle are... Figure 1 and Figure 2 The Y-axis direction, also known as the left-right direction, corresponds to the vehicle's vertical direction. Figure 1 and Figure 2 The Z-axis direction, also known as the up-down direction.

[0031] Specifically, for front-wheel-drive electric vehicles, the drive motor 100 is typically mounted at the front of the vehicle. In this case, the motor mount bracket structure is also mounted at the front of the vehicle, and the subframe 4 of the motor mount bracket structure can also be referred to as the front subframe. For rear-wheel-drive electric vehicles, the drive motor 100 is typically mounted at the rear of the vehicle. In this case, the motor mount bracket structure is also mounted at the rear of the vehicle, and the subframe 4 of the motor mount bracket structure can also be referred to as the rear subframe. For example... Figure 1 An example of a drive motor 100 being mounted at the rear of a vehicle is given.

[0032] More specifically, taking the motor suspension bracket mounting structure assembled at the rear of the vehicle as an example, there is usually a body longitudinal beam 200 on each of the left and right sides of the rear of the vehicle. The subframe 4 also usually includes two frame longitudinal beams 42. The body longitudinal beam 200 and the frame longitudinal beams 42 of the subframe 4 extend along the front-rear direction of the vehicle. The body crossbeam 3 and the frame crossbeam 41 of the subframe 4 extend along the left-right direction of the vehicle. The front ends of the two frame longitudinal beams 42 are respectively connected to one of the body crossbeam 3 and the frame crossbeam 41, and the rear ends of the two frame longitudinal beams 42 are respectively connected to the other of the body crossbeam 3 and the frame crossbeam 41. The left ends of the body crossbeam 3 and the frame crossbeam 41 are respectively connected to the left body longitudinal beam 200, and the right ends of the body crossbeam 3 and the frame crossbeam 41 are respectively connected to the right body longitudinal beam 200. The first suspension bracket 1 and the second suspension bracket 2 constitute a motor suspension bracket for mounting the drive motor 100. The body crossbeam 3 and the subframe 4 are used to mount the motor suspension bracket. The first suspension bracket 1 is mounted on the body crossbeam 3, and the second suspension bracket 2 is mounted on the end of the subframe 4 away from the body crossbeam 3. Specifically, the second suspension bracket 2 can be mounted on the frame crossbeam 41 of the subframe 4, or on the end of the frame longitudinal beam 42 of the subframe away from the body crossbeam 3, or at the connection between the frame crossbeam 41 and the frame longitudinal beam 42; no specific limitation is made here. When the front end of the frame longitudinal beam 42 is connected to the body crossbeam 3 and the rear end is connected to the frame crossbeam 41, such as... Figure 1As shown, the first suspension bracket 1 on the body crossbeam 3 is the front motor suspension bracket, while the second suspension bracket 2 on the subframe 4 is the rear motor suspension bracket. In this case, it is equivalent to the subframe 4 eliminating the front crossbeam and using the frame crossbeam 41 as the rear crossbeam of the subframe 4. When the front end of the frame longitudinal beam 42 is connected to the frame crossbeam 41 and the rear end is connected to the body crossbeam 3, the first suspension bracket 1 on the body crossbeam 3 is the rear motor suspension bracket, while the second suspension bracket 2 on the subframe 4 is the front motor suspension bracket. In this case, it is equivalent to the subframe 4 eliminating the rear crossbeam and using the frame crossbeam 41 as the front crossbeam of the subframe 4. In practical applications, the choice can be made according to needs, and no specific limitation is made here.

[0033] In this embodiment, the motor mounting bracket can be installed by setting the first suspension bracket 1 on the vehicle body crossbeam 3 and the second suspension bracket 2 on the frame crossbeam 41 of the subframe 4, or on the frame longitudinal beam 42 at the end away from the vehicle body crossbeam 3. At the same time, the vehicle body crossbeam 3 and the subframe 4 are assembled by connecting one end of the frame longitudinal beam 42 of the subframe 4 along the front-rear direction of the vehicle to the vehicle body crossbeam 3 and the other end to the frame crossbeam 41 of the subframe 4, and connecting the two ends of the vehicle body crossbeam 3 and the frame crossbeam 41 along the left-right direction of the vehicle to the vehicle body longitudinal beam 200, respectively. Compared to the existing technology where both the front and rear motor mounts are mounted on the subframe, this technology eliminates the crossbeam structure in the subframe 4 that specifically provides an installation position for the first mount 1. This significantly reduces the overall vehicle weight and cost, ensuring that the motor mount mounting structure meets usage requirements while also being lighter and more economical.

[0034] Furthermore, there is one first suspension bracket 1 and two second suspension brackets 2, which are spaced apart along the left-right direction of the vehicle, with the first suspension bracket 1 located in the area between the two second suspension brackets 2. This arrangement of the motor suspension brackets in a three-point configuration results in greater stability.

[0035] Furthermore, the two second suspension brackets 2 are arranged symmetrically from left to right. This simplifies the structure of the motor suspension bracket and facilitates its manufacturing.

[0036] Optionally, combined Figure 2 As shown, the second suspension bracket 2 is located at the connection between the frame crossbeam 41 and the frame longitudinal beam 42.

[0037] In this embodiment, the first suspension bracket 1 is typically fixed to the lower end of the vehicle body crossbeam 3 by welding. The second suspension bracket 2 is connected to both the frame crossbeam 41 and the frame longitudinal beam 42 of the subframe 4, and is fixed to the connection point of the frame crossbeam 41 and the frame longitudinal beam 42 by means such as welding. Moreover, the second suspension bracket 2 is typically located at the upper end of the connection point of the frame crossbeam 41 and the frame longitudinal beam 42. In this way, the second suspension bracket 2 can be connected to both the frame crossbeam 41 and the frame longitudinal beam 42 of the subframe 4, which can improve the stability of the second suspension bracket 2 connected to the subframe 4 on the one hand, and improve the local rigidity of the subframe 4 on the other hand.

[0038] Furthermore, the frame crossbeam 41 and / or frame longitudinal beam 42 are curved tubular beam structures. This not only simplifies the structure of the subframe 4 for easier manufacturing, but also utilizes the high torsional resistance of the tubular beams to improve the overall torsional resistance of the subframe 4.

[0039] Optionally, combined Figure 7 As shown, the subframe 4 also includes a joint reinforcement plate 43, which is located at the connection between the frame crossbeam 41 and the frame longitudinal beam 42, and is located on one or both sides of the frame longitudinal beam 42 along the left and right direction of the vehicle.

[0040] In this embodiment, the joint reinforcing plate 43 is provided as a reinforcing rib structure at the connection between the frame crossbeam 41 and the frame longitudinal beam 42, and is located on the left and / or right side of the frame longitudinal beam 42, for example, Figure 7 The example given is a joint reinforcement plate 43 with a triangular rib structure installed on the side of the frame longitudinal beam 42 facing the vehicle interior. The two adjacent sides of the joint reinforcement plate 43 are connected to the front end of the frame crossbeam 41 and the side of the frame longitudinal beam 42 facing the vehicle interior, respectively. In this way, the joint reinforcement plate 43 can be used to strengthen the structure at the connection between the frame crossbeam 41 and the frame longitudinal beam 42 in the Y direction, that is, the left-right direction, thereby improving the stiffness of the second suspension bracket 2 in the left-right direction.

[0041] Optionally, combined Figure 2 and Figure 3 As shown, the first suspension bracket 1 includes a first suspension sleeve 11 and a bracket body 12. The internal space of the first suspension sleeve 11 is used to install the first vibration damping pad 300. The bracket body 12 has a first cavity, and one end of the bracket body 12 is connected to the vehicle body beam 3, and the other end is connected to the outer wall of the first suspension sleeve 11.

[0042] In this embodiment, the first suspension sleeve 11 is typically a hollow cylindrical structure, with its internal space used to install the first vibration damping pad 300. Furthermore, the first suspension sleeve 11 and the first vibration damping pad 300 are typically connected using a vulcanization process. The upper end of the bracket body 12 is typically welded to the vehicle body beam 3, and the lower end of the bracket body 12 is typically welded to the outer wall of the first suspension sleeve 11. Thus, designing the bracket body 12 of the first suspension bracket 1 as a hollow structure with a first cavity gives the first suspension bracket 1 higher rigidity and torsional resistance, thereby improving the rigidity and stability of the drive motor 100 mounting point.

[0043] Optionally, combined Figure 4 and Figure 5 As shown, the bracket body 12 includes a first support plate 121, a second support plate 122, a third support plate 123, and a fourth support plate 124 that are connected in sequence and form a first cavity. One end of the first support plate 121, the second support plate 122, the third support plate 123, and the fourth support plate 124 are respectively connected to the vehicle body crossbeam 3, and the other end is respectively connected to the outer side wall of the first suspension sleeve 11. The first support plate 121 is connected to the fourth support plate 124. The first support plate 121 and the third support plate 123 are arranged opposite to each other, and the second support plate 122 and the fourth support plate 124 are arranged opposite to each other.

[0044] In this embodiment, the first support plate 121, the second support plate 122, the third support plate 123 and the fourth support plate 124 constituting the support body 12 form a box-shaped structure with a first cavity, thereby improving the overall rigidity of the support body 12 and even the first suspension support 1.

[0045] Optionally, combined Figure 6 As shown, the first cavity gradually contracts from one end of the bracket body 12 connected to the vehicle body beam 3 to the other end of the bracket body 12 connected to the first suspension sleeve 11.

[0046] In this embodiment, the internal space of the bracket body 12, i.e., the first cavity, gradually contracts from the end of the bracket body 12 connected to the vehicle body crossbeam 3 to the end of the bracket body 12 connected to the first suspension sleeve 11. This can also be understood as the area enclosed by the cross section of the bracket body 12 perpendicular to its extension direction decreasing from the end of the bracket body 12 connected to the vehicle body crossbeam 3 to the end of the bracket body 12 connected to the first suspension sleeve 11. The extension direction of the bracket body 12 typically needs to be set according to the size of the arrangement space at the lower rear of the vehicle. For example, when the arrangement space is large, the bracket body 12 can be set to extend downwards; when the arrangement space is small, the bracket body 12 can be set to extend diagonally downwards. Figure 6As shown. In this embodiment, the internal space of the bracket body 12 is set to gradually shrink from the end of the bracket body 12 connected to the vehicle body beam 3 to the end of the bracket body 12 connected to the first suspension sleeve 11, so as to reduce the volume of the first suspension bracket 1 while ensuring a large connection area between the first suspension bracket 1 and the vehicle body beam 3, thereby facilitating the installation in a limited space.

[0047] Optionally, combined Figure 2 , Figure 4 and Figure 5 As shown, at least one of the first support plate 121, the second support plate 122, the third support plate 123, and the fourth support plate 124 is provided with a flange 13, and the bracket body 12 overlaps with the vehicle body crossbeam 3 through the flange 13. In this way, by providing the flange 13, the connection area between the first suspension bracket 1 and the vehicle body crossbeam 3 can be further increased, the connection firmness between the first suspension bracket 1 and the vehicle body crossbeam 3 can be improved, and the rigidity of the first suspension bracket 1 can also be further improved.

[0048] Optionally, combined Figure 7 As shown, the second suspension bracket 2 includes a second suspension sleeve 21, an inner support plate 22, and an outer support plate 23. The internal space of the second suspension sleeve 21 is used to install the second vibration damping pad 400. One end of the inner support plate 22 and the outer support plate 23 are respectively connected to the outer side wall of the second suspension sleeve 21, and the other end of the inner support plate 22 and the outer support plate 23 are respectively connected to the subframe 4. The outer support plate 23 is connected to the side of the inner support plate 22 facing outwards from the vehicle, and together with the inner support plate 22, they form a second cavity.

[0049] In this embodiment, the inner support plate 22 and the outer support plate 23 constitute the main body of the second suspension bracket 2, and the inner support plate 22 and the outer support plate 23 together form a second cavity, making the main body of the second suspension bracket 2 a hollow structure. The second suspension sleeve 21 is typically a hollow cylindrical structure, and its internal space is used to install the second vibration damping pad 400. The second suspension sleeve 21 and the second vibration damping pad 400 are typically connected by a vulcanization process. Moreover, the upper ends of the inner support plate 22 and the outer support plate 23 are typically welded to the outer side wall of the second suspension sleeve 21, and the lower ends of the inner support plate 22 and the outer support plate 23 are typically welded to the subframe 4, for example, at the connection between the frame crossbeam 41 and the frame longitudinal beam 42. In this way, by designing the main body of the second suspension bracket 2 as a hollow structure, the second suspension bracket 2 has high rigidity and torsional resistance, thereby improving the rigidity and stability of the drive motor 100 mounting point.

[0050] Optionally, combined Figure 7As shown, the subframe 4 also includes a tie rod mounting bracket 44, which is connected to the frame longitudinal beam 42 and the side of the inner support plate 22 facing outwards. The inner support plate 22 and the outer support plate 23 are respectively connected to the tie rod mounting bracket 44 at one end along the front-rear direction of the vehicle.

[0051] Specifically, when the front and rear ends of the frame longitudinal beam 42 are connected to the body crossbeam 3 and the frame crossbeam 41 respectively, the second suspension bracket 2 is the rear suspension bracket of the motor. At this time, the tie rod mounting bracket 44 serves as the rear tie rod mounting bracket, which is usually used as such. When the front and rear ends of the frame longitudinal beam 42 are connected to the frame crossbeam 41 and the body crossbeam 3 respectively, the second suspension bracket 2 is the front suspension bracket of the motor. At this time, the tie rod mounting bracket 44 serves as the front tie rod mounting bracket.

[0052] In this embodiment, by integrating the tie rod mounting bracket 44 into the side of the longitudinal beam 42 of the subframe 4 facing outward, the integration of the subframe 4 is improved, thereby facilitating the arrangement of the subframe 4 in a limited space. Moreover, by doing so, the tie rod mounting bracket 44 can be used to strengthen the structure of the second suspension bracket 2 in the X direction, i.e., the front-to-back direction, thereby improving the rigidity of the location of the second suspension bracket 2 in the front-to-back direction.

[0053] Another embodiment of the present invention provides a vehicle including the motor suspension bracket mounting structure described above.

[0054] The beneficial effects of the vehicle in this embodiment compared to the prior art are the same as those of the motor suspension bracket mounting structure described above, and will not be repeated here.

[0055] While the present invention has been disclosed above, its scope of protection is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications will fall within the scope of protection of the present invention.

Claims

1. A motor suspension bracket mounting structure, characterized in that, The vehicle includes a first suspension bracket (1), a second suspension bracket (2), a body crossbeam (3), and a subframe (4). The first suspension bracket (1) is connected to the body crossbeam (3). The subframe (4) includes a frame crossbeam (41) and a frame longitudinal beam (42). One end of the frame longitudinal beam (42) along the front-rear direction of the vehicle is connected to the body crossbeam (3), and the other end is connected to the frame crossbeam (41). The second suspension bracket (2) is connected to the end of the frame longitudinal beam (42) away from the body crossbeam (3) or the frame crossbeam (41). The two ends of the body crossbeam (3) and the frame crossbeam (41) along the left-right direction of the vehicle are respectively used to connect to the body longitudinal beam (200) of the vehicle. The second suspension bracket (2) is located at the connection between the crossbeam (41) and the longitudinal beam (42) of the frame.

2. The motor suspension bracket mounting structure according to claim 1, characterized in that, The subframe (4) also includes a joint reinforcement plate (43), which is located at the connection between the frame crossbeam (41) and the frame longitudinal beam (42), and is located on one or both sides of the frame longitudinal beam (42) along the left and right direction of the vehicle.

3. The motor suspension bracket mounting structure according to claim 1, characterized in that, The first suspension bracket (1) includes a first suspension sleeve (11) and a bracket body (12). The internal space of the first suspension sleeve (11) is used to install a first vibration damping pad (300). The bracket body (12) has a first cavity, and one end of the bracket body (12) is connected to the vehicle body beam (3), and the other end is connected to the outer wall of the first suspension sleeve (11).

4. The motor suspension bracket mounting structure according to claim 3, characterized in that, The bracket body (12) includes a first support plate (121), a second support plate (122), a third support plate (123), and a fourth support plate (124) that are connected in sequence and form the first cavity. One end of the first support plate (121), the second support plate (122), the third support plate (123), and the fourth support plate (124) are respectively connected to the vehicle body beam (3), and the other end is respectively connected to the outer side wall of the first suspension sleeve (11). The first support plate (121) is connected to the fourth support plate (124). The first support plate (121) and the third support plate (123) are arranged opposite to each other, and the second support plate (122) and the fourth support plate (124) are arranged opposite to each other.

5. The motor suspension bracket mounting structure according to claim 4, characterized in that, The first cavity gradually narrows from one end of the bracket body (12) connected to the vehicle body beam (3) to one end of the bracket body (12) connected to the first suspension sleeve (11).

6. The motor suspension bracket mounting structure according to claim 4, characterized in that, At least one of the first support plate (121), the second support plate (122), the third support plate (123) and the fourth support plate (124) is provided with a flange (13), and the bracket body (12) is connected to the vehicle body beam (3) through the flange (13).

7. The motor suspension bracket mounting structure according to claim 1, characterized in that, The second suspension bracket (2) includes a second suspension sleeve (21), an inner support plate (22), and an outer support plate (23). The internal space of the second suspension sleeve (21) is used to install the second vibration damping pad (400). One end of the inner support plate (22) and the outer support plate (23) are respectively connected to the outer side wall of the second suspension sleeve (21). The other end of the inner support plate (22) and the outer support plate (23) are respectively connected to the subframe (4). The outer support plate (23) is connected to the side of the inner support plate (22) facing outwards from the vehicle and together with the inner support plate (22) forms a second cavity.

8. The motor suspension bracket mounting structure according to claim 7, characterized in that, The subframe (4) also includes a tie rod mounting bracket (44), which is connected to the longitudinal beam (42) of the frame and the side of the inner support plate (22) facing outwards. The inner support plate (22) and the outer support plate (23) are respectively connected to the tie rod mounting bracket (44) at one end along the front-rear direction of the vehicle.

9. A vehicle, characterized in that, Includes the motor suspension bracket mounting structure as described in any one of claims 1-8.

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