CN221718632U - EPS installation structure and vehicle - Google Patents

Abstract

The embodiment of the utility model provides an EPS (expandable polystyrene) mounting structure and a vehicle, and relates to the technical field of vehicles. The EPS mounting structure comprises a chassis frame, a mounting bracket, a connecting bracket and a connecting bolt; the installing support is fixed on the chassis frame, and the EPS assembly is fixed on the linking bridge, and the linking bridge is located the top of installing support in the direction of height of chassis frame, and connecting bolt connects between linking bridge and installing support. Through fixing EPS assembly on the linking bridge, connecting bolt connects between linking bridge and installing support, and connecting bolt's bolt head exposes in the linking bridge in the upper side of chassis frame's in the direction of height, conveniently observes the bolt head of twisting connecting bolt through the spanner, can conveniently dismantle connecting bolt to can conveniently dismantle EPS assembly and linking bridge, and then when opening the opening through the access door when overhauling the EPS assembly, through dismouting connecting bolt, make dismouting EPS assembly and linking bridge convenient, labour saving and time saving.

Description

EPS installation structure and vehicle

Technical Field

The utility model relates to the technical field of vehicles, and in particular to an EPS installation structure and a vehicle.

Background Art

In the automotive field, the Electronic Power Steering (EPS) system is a very important part of the automotive components. The EPS assembly includes a motor, a worm gear and a spline shaft. The worm gear is connected between the motor and the spline shaft. The spline shaft can drive the wheels, so that the EPS assembly uses the power generated by the motor to assist the driver in power steering.

In the prior art, a car includes a chassis frame, a front bumper, an inspection door, a mounting bracket and an EPS assembly. The mounting bracket is fixed to the chassis frame, the EPS assembly is fixed to the mounting bracket by EPS bolts, the bolt heads of the EPS bolts are located below the mounting bracket, the front bumper is fixed to the chassis frame, the EPS assembly is located above the mounting bracket and at the rear side of the front bumper, an opening is provided on the front bumper, the inspection door is hinged to the front bumper, and the inspection door can open or close the opening.

However, when the EPS assembly is opened through the inspection door for inspection, it is inconvenient to disassemble and assemble the EPS assembly, resulting in time-consuming and labor-intensive.

Utility Model Content

The embodiment of the utility model provides an EPS installation structure and a vehicle to solve the problem that when the EPS assembly is inspected by opening an opening through an inspection door, it is inconvenient to disassemble and assemble the EPS assembly, which leads to time-consuming and labor-intensive problems.

On the one hand, an embodiment of the utility model provides an EPS installation structure, which is applied to an EPS assembly of a vehicle, and includes a chassis frame, a mounting bracket, a connecting bracket and a connecting bolt;

The mounting bracket is fixed on the chassis frame, the EPS assembly is fixed on the connecting bracket, the connecting bracket is located above the mounting bracket in the height direction of the chassis frame, the connecting bolt is connected between the connecting bracket and the mounting bracket, and the bolt head of the connecting bolt is exposed above the connecting bracket in the height direction of the chassis frame.

In a possible implementation, the EPS assembly includes an EPS bolt and a mounting seat, the EPS bolt is connected between the connecting bracket and the mounting seat, and the bolt head of the EPS bolt is arranged below the connecting bracket in the height direction of the chassis frame;

The connecting bracket has an avoidance portion and an EPS hole. The bolt head of the EPS bolt is located in the avoidance portion. The screw rod of the EPS bolt can pass through the EPS hole and then be connected to the mounting seat.

In a possible implementation, the connecting bracket further has a plurality of connecting holes, the mounting bracket has a plurality of configuration holes, a connecting nut is fixed under each configuration hole, and each connecting hole corresponds to one configuration hole, one connecting nut and one connecting bolt.

In a possible embodiment, the connecting bracket also has a first avoidance hole, and the mounting bracket has a second avoidance hole, the center of the first avoidance hole coincides with the center of the second avoidance hole in the height direction of the chassis frame, and the first avoidance hole and the second avoidance hole can both avoid the spline shaft of the EPS assembly.

In a possible implementation manner, the connecting bracket further has an avoidance gap, and the avoidance gap can avoid the motor of the EPS assembly.

In a possible implementation, the connecting bracket includes a receiving plate, a first connecting plate and a second connecting plate, the receiving plate includes a first connecting segment, a second connecting segment and a third connecting segment, the second connecting segment is connected between the first connecting segment and the third connecting segment, the first connecting segment is connected to the first connecting plate, and the third connecting segment is connected to the second connecting plate;

The first connecting plate and the second connecting plate are both provided with the connecting holes, the first connecting segment, the second connecting segment and the third connecting segment of the accommodating plate form the avoiding portion, the second connecting segment is provided with the first avoiding hole, and the second connecting segment, the third connecting segment and the second connecting plate are provided with the avoiding gap.

In a possible implementation manner, the first connecting segment and the third connecting segment are respectively perpendicular to the second connecting segment, the first connecting plate is perpendicular to the first connecting segment, and the second connecting plate is perpendicular to the third connecting segment.

In a possible implementation manner, the avoidance portion is an avoidance groove or an avoidance hole.

In a possible implementation, the mounting bracket includes a mounting body and a mounting plate, the mounting body is fixed on the chassis frame, the mounting plate is fixed on the mounting body, the connecting bolt is connected between the connecting bracket and the mounting body, and the mounting plate can be installed on a charging mounting seat of the vehicle.

On the other hand, an embodiment of the present utility model provides a vehicle, including an EPS assembly and the EPS mounting structure as described above;

The EPS assembly is detachably mounted on the EPS mounting structure.

The embodiment of the utility model provides an EPS installation structure and a vehicle, including a chassis frame, a mounting bracket, a connecting bracket and a connecting bolt; the mounting bracket is fixed on the chassis frame, the EPS assembly is fixed on the connecting bracket, the connecting bracket is located above the mounting bracket in the height direction of the chassis frame, the connecting bolt is connected between the connecting bracket and the mounting bracket, and the bolt head of the connecting bolt is exposed above the connecting bracket in the height direction of the chassis frame. By fixing the EPS assembly on the connecting bracket, the connecting bolt is connected between the connecting bracket and the mounting bracket, and the bolt head of the connecting bolt is exposed above the connecting bracket in the height direction of the chassis frame, it is convenient to observe the bolt head of the connecting bolt by tightening it with a wrench, and the connecting bolt can be easily disassembled, so that the EPS assembly and the connecting bracket can be easily disassembled, and then when the opening is opened through the inspection door to inspect the EPS assembly, by disassembling the connecting bolt, the disassembly of the EPS assembly and the connecting bracket is convenient, saving time and effort.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

FIG1 is a schematic diagram of the structure of a vehicle provided by an embodiment of the utility model;

FIG2 is a schematic diagram of the installation of the EPS assembly and the EPS installation structure provided by the embodiment of the utility model;

FIG3 is a schematic diagram of the installation of the EPS assembly and the connecting bracket in FIG2 ;

FIG4 is a schematic structural diagram of the connecting bracket in FIG2 ;

FIG5 is a schematic diagram of the connection nut in FIG2 being installed on a mounting bracket;

FIG6 is a schematic diagram of the mounting bracket in FIG2 from a first viewing angle;

FIG. 7 is a schematic diagram of the mounting bracket in FIG. 2 from a second viewing angle.

Description of reference numerals:

11-chassis frame; 12-mounting bracket; 12a-mounting body; 12b-mounting plate; 12c-fixing plate; 121-configuration hole; 122-second avoidance hole; 123-first through hole; 124-second through hole; 125-mounting hole; 13-connecting bracket; 131-avoidance part; 132-EPS hole; 133-connecting hole; 134-first avoidance hole; 135-avoidance gap; 13a-accommodating plate; 13a1-first connecting section; 13a2-second connecting section; 13a3-third connecting section; 13b-first connecting plate; 13c-second connecting plate; 14-connecting bolt; 15-connecting nut; 16-mounting bolt; 20-EPS assembly; 21-motor; 22-spline shaft; 23-mounting seat; 24-EPS bolt; 30-front bumper; 301-opening; 40-inspection door.

DETAILED DESCRIPTION

In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

It should be noted that the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

In the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection", "fixation" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

In the above description, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

As described in the background technology, when the EPS assembly is opened through the inspection door for inspection, it is inconvenient to disassemble and assemble the EPS assembly, which is time-consuming and laborious. The inventors have found that the reason for this problem is that the EPS bolt is fixed on the mounting bracket, and the bolt head of the EPS bolt is hidden under the mounting bracket, which makes it inconvenient to observe the bolt head of the EPS bolt when tightening it with a wrench. The EPS bolt is inconvenient to disassemble, which results in inconvenience in disassembling and assembling the EPS assembly when the EPS assembly is opened through the inspection door for inspection, which is time-consuming and laborious.

In order to solve the above problems, the embodiment of the utility model provides an EPS installation structure and a vehicle, which is provided with a connecting bracket and a connecting bolt. By fixing the EPS assembly on the connecting bracket, the connecting bolt is connected between the connecting bracket and the installation bracket, and the bolt head of the connecting bolt is exposed above the connecting bracket in the height direction of the chassis frame, which is convenient for observation. By tightening the bolt head of the connecting bolt with a wrench, the connecting bolt can be easily disassembled, thereby making it convenient to disassemble the EPS assembly and the connecting bracket. When the EPS assembly is opened through the inspection door to inspect the EPS assembly, the connecting bolt can be disassembled and assembled, making it convenient to disassemble and assemble the EPS assembly and the connecting bracket, saving time and effort. It should be noted that when the present application inspects the EPS assembly, the EPS assembly and the connecting bracket are disassembled as a whole and then the EPS assembly is inspected.

The EPS installation structure and vehicle provided by the utility model embodiment are described in detail below in conjunction with specific embodiments.

As shown in Figures 1 and 2, an embodiment of the utility model provides an EPS installation structure, which is applied to the EPS assembly 20 of a vehicle. The vehicle includes a front bumper 30 and an inspection door 40. The EPS assembly 20 is located at the rear side of the front bumper 30, that is, the EPS assembly 20 is located on one side of the -X axis direction of the front bumper 30. An opening 301 is provided on the front bumper 30. The inspection door 40 is hinged to the front bumper 30, and the inspection door 40 can open or close the opening 301.

The EPS mounting structure includes a chassis frame 11, a mounting bracket 12, a connecting bracket 13 and a connecting bolt 14; the mounting bracket 12 is fixed on the chassis frame 11, the EPS assembly 20 is fixed on the connecting bracket 13, the connecting bracket 13 is located above the mounting bracket 12 in the height direction of the chassis frame 11, the connecting bolt 14 is connected between the connecting bracket 13 and the mounting bracket 12, and the bolt head of the connecting bolt 14 is exposed above the connecting bracket 13 in the height direction of the chassis frame 11.

Among them, the length direction of the chassis frame 11 is the X-axis direction, the side of the vehicle in the +X-axis direction is the front of the vehicle, the side of the vehicle in the -X-axis direction is the rear of the vehicle, the width direction of the chassis frame 11 is the Y-axis direction, and the height direction of the chassis frame 11 is the Z-axis direction. The X-axis, Y-axis and Z-axis are perpendicular to each other.

The mounting bracket 12 can be fixed on the chassis frame 11 by mounting bolts 16. In other embodiments, the mounting bracket 12 can also be fixed on the chassis frame 11 by welding.

As shown in FIG. 3 , the EPS assembly 20 includes a motor 21 , a worm gear (not shown), a spline shaft 22 and a mounting seat 23 . The worm gear is connected between the motor 21 and the spline shaft 22 , and the worm gear is located in the mounting seat 23 .

The mounting seat 23 of the EPS assembly 20 is fixed on the connecting bracket 13 , so that the EPS assembly 20 can be fixed on the connecting bracket 13 .

The assembly process of the vehicle's EPS mounting structure, EPS assembly 20, front bumper 30 and inspection door 40 is as follows: fix the mounting bracket 12 on one side of the chassis frame 11 in the +Z-axis direction by means of mounting bolts 16; fix the EPS assembly 20 on the connecting bracket 13 (see FIG. 3 ); as shown in FIG. 2 , place the EPS assembly 20 and the connecting bracket 13 on one side of the mounting bracket 12 in the +Z-axis direction, connect the connecting bolt 14 between the connecting bracket 13 and the mounting bracket 12, and the bolt head of the connecting bolt 14 is located on one side of the screw rod of the connecting bolt 14 in the +Z-axis direction, so that the bolt head of the connecting bolt 14 is exposed above the connecting bracket 13 in the height direction of the chassis frame 11; as shown in FIG. 1 , install the front bumper 30 on the chassis frame 11, the front bumper 30 is located on one side of the EPS mounting structure in the +X-axis direction, and the inspection door 40 is installed on the front bumper 30, and the inspection door 40 can open or close the opening 301. It should be noted that, as shown in FIG. 1 , when the opening 301 is opened through the inspection door 40 , the bolt head of the connecting bolt 14 can be seen through the opening 301 .

The EPS installation structure provided by the embodiment of the utility model fixes the EPS assembly 20 on the connecting bracket 13, and the connecting bolt 14 is connected between the connecting bracket 13 and the installation bracket 12. The bolt head of the connecting bolt 14 is exposed above the connecting bracket 13 in the height direction of the chassis frame 11, which is convenient for observation. By tightening the bolt head of the connecting bolt 14 with a wrench, the connecting bolt 14 can be easily disassembled, thereby making it convenient to disassemble the EPS assembly 20 and the connecting bracket 13. Furthermore, when the opening 301 is opened through the inspection door 40 to inspect the EPS assembly 20, the connecting bolt 14 can be disassembled and assembled, making it convenient to disassemble and assemble the EPS assembly 20 and the connecting bracket 13, saving time and effort.

In a possible embodiment, as shown in Figure 3, the EPS assembly 20 includes an EPS bolt 24, which is connected between the connecting bracket 13 and the mounting seat 23, and the bolt head of the EPS bolt 24 is arranged below the connecting bracket 13 in the height direction of the chassis frame 11, that is, the bolt head of the EPS bolt 24 is arranged below the connecting bracket 13 in the -Z axis direction of the chassis frame 11.

As shown in FIG. 4 , the connecting bracket 13 has an escape portion 131 and an EPS hole 132 , the bolt head of the EPS bolt 24 is located in the escape portion 131 , and the screw rod of the EPS bolt 24 can be connected to the mounting seat 23 after passing through the EPS hole 132 .

When the EPS assembly 20 and the connecting bracket 13 are installed on the mounting bracket 12 , the bolt head of the EPS bolt 24 is located in the avoidance portion 131 , which can prevent the bolt head of the EPS bolt 24 from interfering with the mounting bracket 12 .

The avoidance portion 131 may be an avoidance groove, an avoidance hole, or an avoidance cavity.

In this embodiment, the number of the EPS bolts 24 is three, the number of the EPS holes 132 of the connecting bracket 13 is three, and each EPS bolt 24 corresponds to one EPS hole 132 .

In a possible embodiment, as shown in Figures 4 to 7, the connecting bracket 13 also has a plurality of connecting holes 133, the mounting bracket 12 has a plurality of configuration holes 121, a connecting nut 15 is fixed under each configuration hole 121, and each connecting hole 133 corresponds to a configuration hole 121, a connecting nut 15 and a connecting bolt 14.

As shown in FIG. 5 , the connecting nut 15 can be welded to the lower portion of the configuration hole 121 of the mounting bracket 12 in the height direction of the chassis frame 11 .

In this embodiment, the EPS mounting structure includes three connecting bolts 14, the connecting bracket 13 has three connecting holes 133, and the mounting bracket 12 has three configuration holes 121. Each connecting hole 133 corresponds to a configuration hole 121, a connecting nut 15 and a connecting bolt 14. The screw of the connecting bolt 14 passes through the connecting hole 133 and the configuration hole 121 in sequence in the height direction of the chassis frame 11 and is threadedly connected with the connecting nut 15.

In a possible implementation, as shown in FIG. 4 and FIG. 6 , the connecting bracket 13 further has a first avoidance hole 134 , and the mounting bracket 12 has a second avoidance hole 122 , and both the first avoidance hole 134 and the second avoidance hole 122 can avoid the spline shaft 22 of the EPS assembly 20 .

As shown in Figure 3, when the EPS assembly 20 is installed with the connecting bracket 13, the first avoidance hole 134 of the connecting bracket 13 can avoid the spline shaft 22 of the EPS assembly 20, so that the spline shaft 22 of the EPS assembly 20 can pass through the first avoidance hole 134 of the connecting bracket 13, and then the screw rod of the EPS bolt 24 passes through the EPS hole 132 of the connecting bracket 13 and is connected to the mounting base 23.

As shown in Figure 2, when the EPS assembly 20 and the connecting bracket 13 are installed on the mounting bracket 12, the second avoidance hole 122 of the mounting bracket 12 can avoid the spline shaft 22 of the EPS assembly 20, so that the spline shaft 22 of the EPS assembly 20 can pass through the second avoidance hole 122 of the mounting bracket 12, and then the screw of the connecting bolt 14 passes through the connecting hole 133 and the configuration hole 121 in sequence in the height direction of the chassis frame 11 and is threadedly connected with the connecting nut 15.

The shapes of the first avoidance hole 134 and the second avoidance hole 122 are not specifically set, as long as the first avoidance hole 134 and the second avoidance hole 122 can avoid the spline shaft 22 of the EPS assembly 20. In this embodiment, the first avoidance hole 134 and the second avoidance hole 122 are both circular holes, and the center of the first avoidance hole 134 coincides with the center of the second avoidance hole 122 in the height direction of the chassis frame 11. It can be understood that the projection of the center of the first avoidance hole 134 in the height direction of the chassis frame 11 coincides with the projection of the center of the second avoidance hole 122 in the height direction of the chassis frame 11.

In a possible implementation, as shown in FIG4 , the connecting bracket 13 further has an avoidance notch 135, and the avoidance notch 135 can avoid the motor 21 of the EPS assembly 20. Specifically, when the EPS assembly 20 is installed with the connecting bracket 13, the spline shaft 22 of the EPS assembly 20 passes through the first avoidance hole 134 of the connecting bracket 13, and then the mounting seat 23 of the EPS assembly 20 contacts the connecting bracket 13, and the avoidance notch 135 of the connecting bracket 13 can avoid the motor 21 of the EPS assembly 20, thereby avoiding interference between the connecting bracket 13 and the motor 21 of the EPS assembly 20.

The shape of the avoidance gap 135 is not specifically set, as long as the avoidance gap 135 can avoid the motor 21 of the EPS assembly 20 .

In a possible embodiment, as shown in Figure 4, the connecting bracket 13 includes a accommodating plate 13a, a first connecting plate 13b and a second connecting plate 13c, the accommodating plate 13a includes a first connecting segment 13a1, a second connecting segment 13a2 and a third connecting segment 13a3, the second connecting segment 13a2 is connected between the first connecting segment 13a1 and the third connecting segment 13a3, the first connecting segment 13a1 is connected to the first connecting plate 13b, and the third connecting segment 13a3 is connected to the second connecting segment 13a2.

Among them, the first connecting plate 13b and the second connecting plate 13c are both provided with connecting holes 133, the first connecting segment 13a1, the second connecting segment 13a2 and the third connecting segment 13a3 of the accommodating plate 13a form an avoidance portion 131, the second connecting segment 13a2 is provided with a first avoidance hole 134, and the second connecting segment 13a2, the third connecting segment 13a3 and the second connecting plate 13c are provided with avoidance gaps 135.

In this embodiment, the accommodating plate 13a is U-shaped, the first connecting section 13a1 and the third connecting section 13a3 are respectively perpendicular to the second connecting section 13a2, the first connecting plate 13b is perpendicular to the first connecting section 13a1, and the second connecting plate 13c is perpendicular to the third connecting section 13a3.

In a possible implementation, as shown in Figures 6 and 7, the mounting bracket 12 includes a mounting body 12a and a mounting plate 12b, the mounting body 12a is fixed on the chassis frame 11, the mounting plate 12b is fixed on the mounting body 12a, the connecting bolt 14 is connected between the connecting bracket 13 and the mounting body 12a, and the mounting plate 12b can be installed on the charging mounting seat of the vehicle.

Among them, the vehicle can be charged through the charging mount.

The mounting body 12 a may be provided with a first through hole 123 , and a wire harness connected to the charging mount may pass through the first through hole 123 , thereby preventing the wire harness connected to the charging mount from interfering with the mounting bracket 12 .

The mounting body 12a may also be provided with a second through hole 124, and a harness connected to the charging mounting base may be fixed to the second through hole 124 by a cable tie. The number of the second through holes 124 may be set as required, and in this embodiment, the number of the second through holes 124 is two.

The mounting bracket 12 further includes a fixing plate 12c, which is fixed on the mounting body 12a. The fixing plate 12c is provided with a mounting hole 125, through which the lock buckle of the engine hood of the vehicle can be installed.

In this embodiment, the mounting plate 12b and the fixing plate 12c may be fixed to the mounting body 12a by welding.

An embodiment of the utility model provides a vehicle, comprising an EPS assembly and an EPS mounting structure; the EPS assembly is detachably mounted on the EPS mounting structure.

Among them, the EPS installation structure in this embodiment is the same as the EPS installation structure provided in any of the above embodiments, and can bring the same or similar technical effects, which will not be described one by one here, and the details can be referred to the description of the above embodiments.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in the field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims (10)

1. An EPS installation structure, applied to the EPS assembly of a vehicle, characterized by comprising a chassis frame, a mounting bracket, a connecting bracket and connecting bolts; The mounting bracket is fixed on the chassis frame, the EPS assembly is fixed on the connecting bracket, the connecting bracket is located above the mounting bracket in the height direction of the chassis frame, the connecting bolt is connected between the connecting bracket and the mounting bracket, and the bolt head of the connecting bolt is exposed above the connecting bracket in the height direction of the chassis frame. 2. The EPS installation structure according to claim 1, characterized in that the EPS assembly comprises an EPS bolt and a mounting seat, the EPS bolt is connected between the connecting bracket and the mounting seat, and the bolt head of the EPS bolt is arranged below the connecting bracket in the height direction of the chassis frame; The connecting bracket has an avoidance portion and an EPS hole. The bolt head of the EPS bolt is located in the avoidance portion. The screw rod of the EPS bolt can pass through the EPS hole and then be connected to the mounting seat. 3. The EPS installation structure according to claim 2 is characterized in that the connecting bracket also has a plurality of connecting holes, the mounting bracket has a plurality of configuration holes, a connecting nut is fixed under each of the configuration holes, and each of the connecting holes corresponds to one of the configuration holes, one of the connecting nut and one of the connecting bolts. 4. The EPS mounting structure according to claim 3 is characterized in that the connecting bracket also has a first avoidance hole, the mounting bracket has a second avoidance hole, the center of the first avoidance hole coincides with the center of the second avoidance hole in the height direction of the chassis frame, and the first avoidance hole and the second avoidance hole can both avoid the spline shaft of the EPS assembly. 5. The EPS installation structure according to claim 4 is characterized in that the connecting bracket also has an avoidance gap, and the avoidance gap can avoid the motor of the EPS assembly. 6. The EPS installation structure according to claim 5, characterized in that the connecting bracket comprises a receiving plate, a first connecting plate and a second connecting plate, the receiving plate comprises a first connecting section, a second connecting section and a third connecting section, the second connecting section is connected between the first connecting section and the third connecting section, the first connecting section is connected to the first connecting plate, and the third connecting section is connected to the second connecting plate; The first connecting plate and the second connecting plate are both provided with the connecting holes, the first connecting segment, the second connecting segment and the third connecting segment of the accommodating plate form the avoiding portion, the second connecting segment is provided with the first avoiding hole, and the second connecting segment, the third connecting segment and the second connecting plate are provided with the avoiding gap. 7. The EPS installation structure according to claim 6 is characterized in that the first connecting segment and the third connecting segment are respectively perpendicular to the second connecting segment, the first connecting plate is perpendicular to the first connecting segment, and the second connecting plate is perpendicular to the third connecting segment. 8. The EPS installation structure according to any one of claims 2 to 7, characterized in that the avoidance portion is an avoidance groove or an avoidance hole. 9. The EPS installation structure according to any one of claims 1-7 is characterized in that the installation bracket includes a installation body and a installation plate, the installation body is fixed on the chassis frame, the installation plate is fixed on the installation body, the connecting bolt is connected between the connecting bracket and the installation body, and the mounting plate can be installed on the charging mounting seat of the vehicle. 10. A vehicle, characterized by comprising an EPS assembly and the EPS mounting structure according to any one of claims 1 to 9; The EPS assembly is detachably mounted on the EPS mounting structure.