1. A vehicle body simulation bracket for testing an automobile electric drive system assembly comprises a substrate (1), it is characterized in that an electric drive system assembly body (2) is arranged on the outer wall of the top of the base plate (1), a plurality of rows of clamping blocks (22) which are distributed at equal intervals are fixedly connected with the outer wall of the top of the base plate (1), the outer wall of the top of the base plate (1) is also provided with a fixing block (6), a clamping mechanism is arranged on the fixed block (6), a clamping groove matched with the clamping block (22) is formed in the outer wall of the bottom of the fixed block (6), a fixed seat (16) is arranged on the outer wall of the top of the base plate (1), and the outer wall of the top of the fixed seat (16) is provided with a groove, the inner wall of the groove is fixedly connected with a second hydraulic cylinder (17), and one end of a piston of the second hydraulic cylinder (17) is provided with a wheel supporting plate (3), and the outer wall of the top of the wheel supporting plate (3) is provided with an adjusting mechanism.

2. The vehicle body simulation bracket for the vehicle electric drive system assembly test according to claim 1, wherein the clamping mechanism comprises a screw rod (5) and a clamping plate (7), a threaded hole is formed in the outer wall of one side of the fixing block (6), the screw rod (5) is arranged in the threaded hole in a threaded manner, one end of the screw rod (5) is fixedly connected with the adjusting wheel (4), and the clamping plate (7) is fixedly arranged at the other end of the screw rod (5).

3. The vehicle body simulation bracket for the vehicle electric drive system assembly test according to claim 2, characterized in that the outer wall of the clamping plate (7) is provided with rubber balls (8) which are distributed in an annular shape at equal intervals.

4. The vehicle body simulation support for the vehicle electric drive system assembly test according to claim 1, wherein limiting rods (19) are fixedly connected to four corners of the outer wall of the bottom of the wheel supporting plate (3), limiting grooves (18) are formed in four corners of the outer wall of the top of the fixing seat (16), and inner walls of the limiting grooves (18) are matched with outer walls of the limiting rods (19).

5. The vehicle body simulation support for the vehicle electric drive system assembly test is characterized in that the adjusting mechanism comprises a vertical plate (9), a first hydraulic cylinder (10) and a movable plate (14), the vertical plate (9) is fixedly arranged at a position, close to two sides, of the outer wall of the top of the wheel supporting plate (3), the first hydraulic cylinder (10) is fixedly arranged on the vertical plate (9), a fixed plate (11) is arranged at one end of a piston of the first hydraulic cylinder (10), through holes are formed in four corners of the outer wall of one side of the fixed plate (11), a sliding rod (12) is slidably arranged on the inner wall of each through hole, the movable plate (14) is fixedly arranged at one end of the sliding rod (12), and a pressure sensor (13) is fixedly connected between the fixed plate (11) and the movable plate (14).

6. The vehicle body simulation bracket for the vehicle electric drive system assembly test according to claim 5, characterized in that the outer wall of the movable plate (14) is provided with rubber wheels (15) distributed at equal intervals.

7. The vehicle body simulation bracket for the vehicle electric drive system assembly test according to claim 1, wherein the outer wall of the top of the base plate (1) is provided with sliding grooves (20) at positions close to two sides, and the inner wall of each sliding groove (20) is slidably provided with a protective cover (21).

Background

The electric drive system assembly is a core component of the electric automobile, and the electric drive system assembly needs to be tested before the electric automobile is put into production formally so as to ensure that all indexes of the electric drive system assembly meet requirements.

At present, current test mode generally all tests whole car, this whole car structure can only satisfy the test of the electric drive system assembly of a model motorcycle type, and the external dimension size of the electric drive system assembly of different motorcycle types is all different, when needing to test the electric drive system assembly of not unidimensional, need change rather than corresponding whole car automobile body to this electric drive system assembly specially, not only greatly improved the test cost, and the change process is very troublesome, therefore, need to design an automobile body simulation support for test of car electric drive system assembly urgent to solve above-mentioned problem.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a vehicle body simulation bracket for an automobile electric drive system assembly test.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an automobile body simulation support is used in test of car electricity system assembly, includes the base plate, the top outer wall of base plate has placed the electricity and has driven system assembly body, the fixture block that the top outer wall fixedly connected with multirow equidistance of base plate distributes, the top outer wall of base plate still is provided with the fixed block, and is provided with fixture on the fixed block, the bottom outer wall of fixed block is opened there is the draw-in groove that agrees with mutually with the fixture block, the top outer wall of base plate is provided with the fixing base, and the top outer wall of fixing base is opened flutedly, the inner wall fixedly connected with second pneumatic cylinder of recess, and the piston one end of second pneumatic cylinder is provided with the wheel layer board, the top outer wall of wheel layer board is provided with adjustment mechanism.

As a still further scheme of the invention: the clamping mechanism comprises a screw rod and a clamping plate, a threaded hole is formed in the outer wall of one side of the fixing block, the screw rod threads are arranged in the threaded hole, an adjusting wheel is fixedly connected to one end of the screw rod, and the clamping plate is fixedly arranged at the other end of the screw rod.

As a still further scheme of the invention: the outer wall of the clamping plate is provided with rubber balls which are distributed in an annular shape at equal intervals.

As a still further scheme of the invention: the equal fixedly connected with gag lever post of four corners of wheel layer board bottom outer wall, the spacing groove has all been opened to four corners of fixing base top outer wall, and the inner wall of spacing groove agrees with mutually with the outer wall of gag lever post.

As a still further scheme of the invention: the adjusting mechanism comprises a vertical plate, a first hydraulic cylinder and a movable plate, wherein the vertical plate is fixedly arranged at a position, close to two sides, of the outer wall of the top of the wheel supporting plate, the first hydraulic cylinder is fixedly arranged on the vertical plate, one end of a piston of the first hydraulic cylinder is provided with a fixed plate, through holes are formed in four corners of the outer wall of one side of the fixed plate, a slide bar is arranged on the inner wall of each through hole in a sliding mode, the movable plate is fixedly arranged at one end of the slide bar, and a pressure sensor is fixedly connected between the fixed plate and the movable plate.

As a still further scheme of the invention: the outer wall of fly leaf is provided with the rubber tyer that the equidistance distributes.

As a still further scheme of the invention: the positions, close to the two sides, of the outer wall of the top of the substrate are provided with sliding grooves, and the inner walls of the sliding grooves are provided with protective covers in a sliding mode.

The invention has the beneficial effects that:

1. through the arrangement of the clamping block, the fixing block, the adjusting wheel, the screw and the clamping plate, the electric drive system assembly body to be tested can be placed on the substrate, then the fixing block can be placed on the periphery of the electric drive system assembly body, the clamping groove in the fixing block is clamped on the fixing block on the substrate, and then the adjusting wheel can be rotated to drive the screw to rotate, so that the clamping plate at one end of the screw abuts against the electric drive system assembly body, the structure can realize the fixed test of automobile electric drive system assemblies with different sizes, and the use is more flexible;

2. through the arrangement of the fixing seat, the second hydraulic cylinder, the limiting rod, the limiting groove and the wheel supporting plate, the mounting groove at the bottom of the fixing seat can be matched with the clamping block on the base plate, so that the wheel supporting plate can be just positioned at the bottom of the wheel and drives the second hydraulic cylinder to work, the wheel supporting plate can be driven to move up and down, the position of the wheel supporting plate can be adjusted according to the radius of the wheel, meanwhile, the limiting rod positioned at the bottom of the wheel supporting plate can slide in the limiting groove in the fixing seat, the wheel supporting plate is more stable in lifting, and the using effect is better;

3. through the first pneumatic cylinder, fixed plate, fly leaf, pressure sensor and the rubber wheel that set up, the work of the first pneumatic cylinder of drive can drive fixed plate and fly leaf and together remove for the rubber wheel on the fly leaf can support the wheel, and can detect the produced pressure of rubber wheel to the wheel through the pressure sensor between fixed plate and the fly leaf, conveniently tests the operating condition of wheel car electricity driving system assembly under different resistances, and the test has more the flexibility.

Drawings

Fig. 1 is a schematic top view of a vehicle body simulation bracket for testing an automotive electric drive system assembly according to embodiment 1;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic front view of a fixing base of a body simulation bracket for testing an automotive electric drive system assembly according to embodiment 1;

fig. 4 is a schematic view of the overall structure of a body simulation frame for testing an automotive electric drive system assembly according to embodiment 2.

In the figure: the electric drive system comprises a base plate 1, an electric drive system assembly body 2, a wheel supporting plate 3, an adjusting wheel 4, a screw rod 5, a fixing block 6, a clamping plate 7, a rubber ball 8, a vertical plate 9, a first hydraulic cylinder 10, a fixing plate 11, a sliding rod 12, a pressure sensor 13, a movable plate 14, a rubber wheel 15, a fixing seat 16, a second hydraulic cylinder 17, a limiting groove 18, a limiting rod 19, a sliding groove 20, a protective cover 21 and a clamping block 22.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, an automobile body simulation support for testing an automobile electric drive system assembly comprises a substrate 1, an electric drive system assembly body 2 is placed on the outer wall of the top of the substrate 1, multiple rows of clamping blocks 22 distributed equidistantly are fixedly connected to the outer wall of the top of the substrate 1, a fixing block 6 is further arranged on the outer wall of the top of the substrate 1, a clamping mechanism is arranged on the fixing block 6, a clamping groove matched with the clamping blocks 22 is formed in the outer wall of the bottom of the fixing block 6, a fixing seat 16 is arranged on the outer wall of the top of the substrate 1, a groove is formed in the outer wall of the top of the fixing seat 16, a second hydraulic cylinder 17 is fixedly connected to the inner wall of the groove, a wheel supporting plate 3 is arranged at one end of a piston of the second hydraulic cylinder 17, and an adjusting mechanism is arranged on the outer wall of the top of the wheel supporting plate 3.

Fixture includes screw rod 5 and splint 7, and one side outer wall of fixed block 6 is opened threaded hole, and screw rod 5 screw thread sets up in the threaded hole, and the one end fixedly connected with regulating wheel 4 of screw rod 5, and splint 7 is fixed to be set up in the other end of screw rod 5.

The outer wall of splint 7 is provided with the equidistance and is the rubber ball 8 that the annular distributes, can avoid the electricity to drive system assembly body 2 by the clamp bad.

The equal fixedly connected with gag lever post 19 of four corners of 3 bottom outer walls of wheel layer boards, the spacing groove 18 has all been opened to four corners of 16 top outer walls of fixing base, and the inner wall of spacing groove 18 agrees with mutually with gag lever post 19's outer wall for it is more stable when 3 lifts of wheel layer boards.

Adjustment mechanism includes riser 9, first pneumatic cylinder 10 and fly leaf 14, riser 9 is fixed to be set up in the position that the outer wall of wheel layer board 3 top is close to both sides, and first pneumatic cylinder 10 is fixed to be set up on riser 9, the piston one end of first pneumatic cylinder 10 is provided with fixed plate 11, and the through-hole has all been opened to four corners of fixed plate 11 one side outer wall, the inner wall slip of through-hole is provided with slide bar 12, fly leaf 14 is fixed to be set up in the one end of slide bar 12, fixedly connected with pressure sensor 13 between fixed plate 11 and the fly leaf 14.

The outer wall of the movable plate 14 is provided with rubber wheels 15 distributed at equal intervals, so that the abrasion caused by the direct contact between the wheels and the movable plate 14 is avoided.

The working principle is as follows: when the structure is used, the electric drive system assembly body 2 to be tested can be placed on the substrate 1, then the fixing blocks 6 can be placed around the electric drive system assembly body 2, the clamping grooves on the fixing blocks 6 are clamped on the fixing blocks 6 on the substrate 1, and then the adjusting wheel 4 can be rotated to drive the screw rods 5 to rotate, so that the clamping plates 7 at one ends of the screw rods 5 are abutted against the electric drive system assembly body 2, the structure can realize the fixed test on the automobile electric drive system assemblies 2 with different sizes, the use is more flexible, the mounting grooves at the bottom of the fixing seats 16 can be matched with the clamping blocks 22 on the substrate 1, so that the wheel supporting plate 3 can be just positioned at the bottom of the wheel, the second hydraulic cylinders 17 are driven to work, the wheel supporting plate 3 can be driven to move up and down, the position of the wheel supporting plate 3 can be adjusted according to the radius of the wheel, and meanwhile, the limiting rods 19 positioned at the bottom of the wheel supporting plate 3 can slide in the limiting grooves 18 in the fixing seats 16, the wheel supporting plate 3 is more stable when lifted, the using effect is better, the first hydraulic cylinder 10 is driven to work, the fixed plate 11 and the movable plate 14 can be driven to move together, the rubber wheel 15 on the movable plate 14 can abut against the wheel, the pressure sensor 13 between the fixed plate 11 and the movable plate 14 can detect the pressure of the rubber wheel 15 on the wheel, the working state of the automobile electric driving system assembly of the wheel under different resistances can be conveniently tested, and the test has more flexibility.

Example 2

Referring to fig. 4, the present embodiment of a vehicle body simulation bracket for testing an automotive electric drive system assembly, compared with embodiment 1, further includes a substrate 1, wherein sliding grooves 20 are formed in positions of the top outer wall of the substrate 1, the positions being close to two sides of the substrate, and a protective cover 21 is slidably disposed on the inner wall of each sliding groove 20.

The working principle is as follows: during the use, protection casing 21 can slide card in the spout 20 on base plate 1, can play certain guard effect, has effectively improved the security performance in the test.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.