CN203438828U - Motor mounting bracket and electric vehicle using it - Google Patents

Abstract

The utility model provides a motor installing support, hang support and second including back backup pad, supporting baseplate, first support and the support of hanging, back backup pad fixed connection be in supporting baseplate's one end, first support and the second of hanging hang and support and fix respectively supporting baseplate's double-phase opposite side, back backup pad, first support and the second of hanging hang and support and all set up on supporting baseplate's upper surface. The motor mounting bracket is simple in structure, good in structural stability, capable of bearing vibration impact in the driving process of a vehicle and convenient to mount. The utility model also provides an electric automobile with motor installing support.

Description

Motor mounting bracket and electric vehicle using it

technical field

The utility model relates to the field of electric vehicles, in particular to an electric vehicle and a motor mounting bracket thereof.

Background technique

As an environmentally friendly means of transportation, electric vehicles are more and more widely used. For example, in sanitation vehicles, there are more and more applications such as electric road sweepers and electric garbage trucks. In the existing electric vehicle, the motor used as power is fixed on the vehicle body through the motor mounting bracket. Please refer to FIG. 1 , the existing motor mounting bracket includes two parallel side protection plates 31 , two mounting panels 33 welded to both ends of the two side protection plates 31 , a left connecting plate 35 and a right connecting plate 37 . The two side protection plates 31 and the two installation panels 33 enclose a housing cavity for housing the motor. The mounting panel 33 is provided with a motor mounting hole 34 . The left connecting plate 35 is arranged in the middle of one side protective plate 31, and has a first connecting hole 351 thereon; Hole 371. The left connecting plate 35 and the right connecting plate 37 are connected to the vehicle body through the first connecting hole 351 and the second connecting hole 371 respectively. The motor of the electric vehicle is accommodated in the cavity surrounded by the two side protection plates 31 and the two installation panels 33 , and the installation panel 33 is connected to the motor through the motor installation hole 34 . Thus, the motor is installed on the vehicle body through the motor mounting bracket.

However, the mounting panels 33 are fixed by welding, and the parallelism between the two mounting panels 33 is difficult to ensure, which will affect the installation of the motor; in addition, residual stress is likely to be generated at the mounting panels 33 after the motor is installed, which affects the use of the motor mounting bracket Life, and then affect the motor.

Utility model content

In view of the above, it is necessary to provide a motor mounting bracket and an electric vehicle that are convenient for motor installation and have a long service life.

The utility model provides a motor mounting bracket, comprising a rear support plate, a support base plate, a first suspension support and a second suspension support, the rear support plate is fixedly connected to one end of the support base plate, the first suspension support and the second suspension support The second suspension supports are respectively fixed on two opposite sides of the support base plate, and the rear support plate, the first suspension support and the second suspension support are all arranged on the upper surface of the support base plate.

Further, the rear support plate includes a mounting portion and a connection portion, the rear support plate is fixedly connected to the support base plate through the connection portion, and the mounting portion is substantially perpendicular to the connection portion; the mounting portion It includes a transverse part and a longitudinal part, and the two longitudinal parts are respectively arranged at both ends of the transverse part, so that the rear support plate forms a U-shaped structure, and the end of each longitudinal part far away from the transverse part is provided with a motor installation hole, and the The mounting portion of the rear support plate is substantially perpendicular to the support base plate.

Further, the first suspension support and the second suspension support are arranged obliquely relative to the support base, so that the first suspension support, the support base and the second suspension support are connected to form a U-shaped structure.

Further, the first suspension support and the second suspension support have different heights.

Further, the motor mounting bracket also includes a first suspension cushion assembly and a second suspension cushion assembly; the first suspension cushion assembly is arranged at the end of the first suspension support far away from the support bottom plate , the second suspension cushion assembly is arranged at the end of the second suspension support away from the support bottom plate.

Further, the first suspension cushion assembly includes a first cushion and a first connecting piece, and the second suspension cushion assembly includes a second cushion and a second connecting piece.

Further, the first cushion and the second cushion bear forces from different directions.

Further, the first cushion is arranged in the frame formed by the first connecting piece, a first contact surface is formed between the first connecting piece and the first suspension support, and the second cushion is arranged on the second connecting piece. A second contact surface is formed between the second connecting member and the second suspension support, and the first contact surface is perpendicular to the second contact surface.

The utility model also provides an electric vehicle, which comprises the above-mentioned motor mounting bracket and a motor installed on the motor mounting bracket.

Further, the electric vehicle also includes a transmission mechanism and two longitudinal beams arranged on the vehicle body; the motor is arranged on the support base plate, the rear end of the motor is connected to the rear support plate, and the output of the motor The shaft is connected with the transmission mechanism, the first suspension support is connected with one of the longitudinal beams, and the second suspension support is connected with the other longitudinal beam.

Compared with the prior art, the structure of the motor mounting bracket of the utility model is simple, and the structure stability is better, it can withstand the vibration impact during the driving process of the vehicle, avoid the bending deformation of the output shaft of the motor under the impact condition, and can improve the performance of the motor. Performance and service life. At the same time, when the motor mounting bracket is used, the installation of the motor is faster and more efficient, and the production efficiency is improved. At the same time, it is also convenient for disassembly and maintenance of the motor, thereby reducing the use and maintenance cost of the drive motor.

Description of drawings

Fig. 1 is the structural representation of existing motor mounting bracket;

Fig. 2 is a side view of the motor mounting bracket of the present utility model;

Fig. 3 is the front view of the motor mounting bracket shown in Fig. 2;

Fig. 4 is a perspective view of the motor mounting bracket shown in Fig. 2 .

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to FIG. 2 , the utility model discloses a motor mounting bracket for installing the motor 10 so as to connect the motor 10 to the vehicle body.

The utility model also discloses an electric vehicle, which comprises the motor mounting bracket. The electric vehicle also includes a transmission mechanism and a longitudinal beam 16 arranged on the vehicle body. The transmission mechanism includes a motor connection plate 12 and a clutch gearbox 14, the clutch gearbox 14 is fixed on the vehicle body, the motor connection plate 12 is connected with the clutch gearbox 14, and the motor mounting bracket is connected to the motor connection plate 12, the motor connection plate 12 is connected between the motor mounting bracket and the clutch gearbox 14.

Please refer to FIG. 3 and FIG. 4 at the same time, the motor mounting bracket includes a rear support plate 21 , a support base plate 23 , a first suspension support 25 and a second suspension support 26 . The rear support plate 21 is fixedly connected to an end of the support base plate 23 away from the motor connecting plate 12 , and the first suspension support 25 and the second suspension support 26 are respectively fixed on two opposite sides of the support base plate 23 . The rear support plate 21 , the first suspension support 25 and the second suspension support 26 are all arranged on the upper surface of the support base plate 23 .

Further, the rear support plate 21 includes a mounting portion 213 and a connecting portion 214, the rear support plate 21 is fixedly connected to the support base plate 23 through the connecting portion 214, and the mounting portion 213 is substantially perpendicular to the connection Section 214.

Further, the mounting portion 213 of the rear support plate 21 includes a transverse portion 215 and two longitudinal portions 216, and the two longitudinal portions 216 are respectively arranged at both ends of the transverse portion and perpendicular to the transverse portion 215, so that the rear support plate 21 forms a U shaped structure. A motor installation hole 211 is defined at an end of each longitudinal portion 216 away from the transverse portion 215 . The installation portion 213 of the rear support plate 21 is substantially perpendicular to the support bottom plate 23 .

Further, the first suspension support 25 and the second suspension support 26 are arranged obliquely relative to the support base plate 23, so that the first suspension support 25, the support base plate 23 and the second suspension support 26 are connected to form a U-shaped structure.

Further, the first suspension support 25 and the second suspension support 26 have different heights.

Further, the motor mounting bracket further includes a first suspension cushion assembly and a second suspension cushion assembly. The first suspension cushion assembly is arranged on the end of the first suspension support 25 away from the support base plate 23 , and the second suspension cushion assembly is arranged on the end of the second suspension support 26 away from the support base plate 23 department. The first suspension cushion assembly is arranged between the first suspension support 25 and one longitudinal beam 16 , and the second suspension cushion assembly is arranged between the second suspension support 26 and the other longitudinal beam 16 . Utilizing the first suspension cushion assembly and the second suspension cushion assembly, the motor mounting bracket and the vehicle body are flexibly connected, and the stability and impact resistance are better.

Further, the first suspension cushion assembly includes a first cushion 28 and a first connecting piece 27 , and the second suspension cushion assembly includes a second cushion 29 and a second connecting piece 30 . The first connecting piece 27 and the second connecting piece 30 are respectively connected to corresponding longitudinal beams 16 .

Further, the first soft pad 28 and the second soft pad 29 bear forces from different directions.

Further, the first cushion 28 is arranged in the frame formed by the first connecting piece 27, a first contact surface is formed between the first connecting piece 27 and the first suspension support 25, and the second cushion 29 It is arranged in the frame formed by the second connecting piece 30 , a second contact surface is formed between the second connecting piece 30 and the second suspension support 26 , and the first contact surface is perpendicular to the second contact surface. Therefore, the buffering forces of the first soft pad 28 and the second soft pad 29 are perpendicular to each other, so they can buffer the vibration impact in all directions, so that the motor mounting bracket can better withstand the vibration during the driving of the electric vehicle Impact, improve the performance and service life of the motor.

The motor mounting bracket has a simple structure and good structural stability, and can withstand the vibration and impact during the running of the vehicle, avoiding the bending and deformation of the output shaft of the motor under impact conditions, and improving the performance and service life of the motor. At the same time, when the motor mounting bracket is used, the installation of the motor is faster and more efficient, and the production efficiency is improved. At the same time, it is also convenient for disassembly and maintenance of the motor, thereby reducing the use and maintenance cost of the driving motor.

The utility model also provides an electric vehicle with the motor mounting bracket.

Utilize above-mentioned motor installation bracket, when installing motor 10, only need to place motor 10 on the support base plate 23, the rear end of motor 10 is connected to the motor installation hole 211 of rear support plate 21 by bolt, and the front end of motor 10 is connected to motor by bolt. Connect the housing of the connection plate 12, connect the output shaft of the motor 10 with the transmission mechanism of the electric vehicle, connect the first suspension support 25 with the longitudinal beam 16 through the first suspension cushion assembly, and connect the second suspension support 26 through The second suspension cushion assembly is connected with another longitudinal beam 16, which completes the installation of the motor 10. It can be understood that the output shaft of the motor 10 can be connected to the clutch gearbox 14 through the motor connection plate 12 , or can be directly connected to the clutch gearbox 14 . When the output shaft of the motor 10 is directly connected with the clutch gearbox 14 , the electric vehicle does not have the motor connection plate 12 .

The above are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. All equivalent structural transformations made by using the utility model specification and accompanying drawings are directly or indirectly used in other related technologies. Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (10)

1. a motor mounting rack, it is characterized in that: described motor mounting rack comprises rear bearing sheet (21), support baseboard (23), the first suspension strut (25) and the second suspension strut (26), described rear bearing sheet (21) is fixedly connected on one end of described support baseboard (23), described the first suspension strut (25) and the second suspension strut (26) are separately fixed at the limit, two opposite sides of described support baseboard (23), described rear bearing sheet (21), the first suspension strut (25) and the second suspension strut (26) are all arranged on the upper surface of support baseboard (23).

2. motor mounting rack according to claim 1, it is characterized in that: described rear bearing sheet (21) comprises installation portion (213) and connecting portion (214), described rear bearing sheet (21) is fixedly connected with described support baseboard (23) by described connecting portion (214), and described installation portion (213) is substantially perpendicular to described connecting portion (214); Described installation portion (213) transverse part (215) and longitudinal part (216), two longitudinal parts (216) are arranged at respectively the two ends of transverse part (215), thereby make rear bearing sheet (21) form U-shaped structure, the end away from described transverse part (215) of each longitudinal part (216) offers motor mounting hole (211), and the installation portion (213) of described rear bearing sheet (21) is basically perpendicular to described support baseboard (23) and establishes.

3. motor mounting rack according to claim 1, it is characterized in that: described the first suspension strut (25) is obliquely installed with the relative support baseboard of the second suspension strut (26) (23), thereby make described the first suspension strut (25), support baseboard (23) and the second suspension strut (26) three be connected to form U-shaped structure.

4. motor mounting rack according to claim 3, is characterized in that: described the first suspension strut (25) and the second suspension strut (26) have different height.

5. motor mounting rack according to claim 1, is characterized in that: described motor mounting rack also comprises the first suspension soft pad assembly and the second suspension soft pad assembly; Described the first suspension soft pad assembly is arranged at the end away from described support baseboard (23) of the first suspension strut (25), and the second suspension soft pad assembly is arranged at the end away from described support baseboard (23) of the second suspension strut (26).

6. motor mounting rack according to claim 5, it is characterized in that: described the first suspension soft pad assembly comprises the first cushion (28) and the first attaching parts (27), described the second suspension soft pad assembly comprises the second cushion (29) and the second attaching parts (30).

7. motor mounting rack according to claim 6, is characterized in that: the power that described the first cushion (28) and the second cushion (29) bear different directions.

8. motor mounting rack according to claim 7, it is characterized in that: described the first cushion (28) is arranged in the framework of the first attaching parts (27) formation, between described the first attaching parts (27) and the first suspension strut (25), form the first contact surface, described the second cushion (29) is arranged in the framework of the second attaching parts (30) formation, between described the second attaching parts (30) and the second suspension strut (26), form the second contact surface, described the first contact surface is perpendicular to described the second contact surface.

9. an electronlmobil, is characterized in that: described electronlmobil comprise the motor mounting rack as described in any one in claim 1-8 and be arranged on as described in motor (10) on motor mounting rack.

10. electronlmobil according to claim 9, is characterized in that: described electronlmobil also comprises transmission device and is arranged on two longerons (16) on vehicle body; Described motor (10) is arranged on support baseboard (23), described motor (10) rear end is connected on described rear bearing sheet (21), the output shaft of described motor (10) is connected with described transmission device, described the first suspension strut (25) is connected with one of them longeron (16), and described the second suspension strut (26) is connected with another longeron (16).

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