Integrated electric drive axle test system device

Abstract

The utility model discloses an integrated electric drive axle test system device, which comprises a test bed and a double-shaft motor, the left end of the bottom of the test bed is fixedly connected with a fixed plate, the upper end of the left side of the fixed plate is fixedly provided with a drive motor, the output end of the drive motor is fixedly provided with a bidirectional screw, and the bidirectional screw is fixedly provided with a screw. The two ends of the two-way screw are in threaded connection with moving plates. Through the arrangement of the double-shaft motor, the arc-shaped support, the rotating shaft, the rotating sleeve, the first bevel gear, the second bevel gear, the adjusting screw rod, the fixed box, the movable frame and the arc-shaped clamping plate, the effect of effectively clamping and fixing the two ends of the integrated electric drive axle is achieved; and as the cambered surfaces of the cambered supports and the cambered surfaces of the cambered clamping plates can be effectively attached to the surface of the integrated electric drive axle, displacement and inclination of the integrated electric drive axle due to stress or inertia are effectively avoided, and therefore the stability of clamping and fixing the integrated electric drive axle is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric drive axle testing, in particular to an integrated electric drive axle testing system device. Background Art

[0002] The electric drive axle is located at the end of the vehicle's transmission device. It can change the speed and torque from the transmission and transmit the speed and torque to the drive wheels through the electric drive axle. Since the electric drive axle plays an important role in vehicle driving, it is necessary to test the reducer efficiency, motor efficiency, system efficiency and other aspects of the electric drive axle after the design is completed to ensure that the various performances of the electric drive axle meet the requirements. During the test of the electric drive axle, it needs to be effectively fixed to avoid displacement of the electric drive axle during the test.

[0003] For example, the Chinese invention provides "a test bench for electric drive axle testing", announcement number: CN112816223B, which includes a support platform, four corners below the support platform are connected with height adjustment screws, the outer side of the height adjustment screw is meshingly connected with a screw barrel, the outer side of the screw barrel is connected with a gear barrel, a height drive motor is installed below the support platform and between the four height adjustment screws, the output shaft end of the height drive motor is connected with a driving gear, and the driving gear is meshingly connected with four gear barrels. The present invention realizes the function of easy adjustment of the height of the support platform through the arrangement of a height adjustment screw, a screw barrel, a movable drive motor, a height drive motor, a driving gear and a gear barrel base. With the mutual cooperation of these structures, the device is suitable for operators of different heights to operate, has a high degree of automation, and has strong stability, and is suitable for testing electric drive axles.

[0004] The test bench for electric drive axle testing in the above technology uses an L-shaped clamping plate to clamp and fix the electric drive axle to be tested and tried during use. Since the surface shape of a traditional electric drive axle is arc-shaped, the L-shaped clamping plate cannot effectively fit with the surface of the electric drive axle during the clamping process, which causes the electric drive axle to be easily displaced and tilted due to force or inertia during the test and trial, which has an adverse effect on the test and trial work of the electric drive axle. Utility Model Content

[0005] The purpose of the utility model is to provide an integrated electric drive axle test system device, which has the advantage of being able to perform effective clamping and fixing during the test and experiment of the electric drive axle, and effectively preventing the electric drive axle from being displaced and tilted due to force or inertia.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an integrated electric drive bridge test system device, including a test bench and a dual-axis motor, a fixed plate is fixedly connected to the left end of the bottom of the test bench, a drive motor is fixedly installed on the upper end of the left side of the fixed plate, a bidirectional screw is fixedly installed on the output end of the drive motor, both ends of the bidirectional screw are threadedly connected to a moving plate, a fixed box is fixedly connected to the top of the moving plate, an arc-shaped support is fixedly connected to the top of the outer surface of the fixed box, an adjusting screw is movably connected to the middle end of the inner cavity of the fixed box through a bearing, the upper end of the adjusting screw is threadedly connected to a moving frame, an arc-shaped clamping plate is fixedly connected to the top of the moving frame, a second bevel gear is fixedly installed on the lower end of the adjusting screw, a rotating sleeve is movably connected to the lower end of the two fixed boxes on the side close to each other through a bearing, a first bevel gear is fixedly installed on the side away from each other of the two rotating sleeves, and the first bevel gear is meshed with the second bevel gear, and a rotating shaft is fixedly installed on both sides of the output end of the dual-axis motor, and the surface of the rotating shaft is movably connected to the inner cavity of the rotating sleeve.

[0007] As a preferred solution, guide blocks are fixedly connected to both sides of the inner cavity of the rotating sleeve, guide grooves are opened on both sides of the rotating shaft, and the surface of the guide block is movably connected to the surface of the guide groove.

[0008] As a preferred solution, a fixing seat is fixedly connected to the middle end of the top of the test bench, and the bottom of the dual-axis motor is fixedly installed on the top of the fixing seat.

[0009] As a preferred solution, a guide slide bar is fixedly connected to the middle end of the back side of the fixed box, and the bottom of the movable frame is movably connected to the surface of the guide slide bar.

[0010] As a preferred solution, the right end of the bottom of the test bench is fixedly connected to a supporting vertical plate, the right side of the bidirectional screw is movably connected to the upper end of the left side of the supporting vertical plate through a bearing, a guide cross bar is fixedly connected between the lower end of the right side of the fixed plate and the lower end of the left side of the supporting vertical plate, and the lower end of the movable plate is movably connected to the surface of the guide cross bar.

[0011] As a preferred solution, columns are fixedly connected around the bottom of the test bench, movable columns are movably connected to the inner cavities of the columns, and a bottom plate is fixedly connected between the bottoms of two movable columns.

[0012] As a preferred solution, a locking bolt is threadedly connected to the lower end of the column, and a pin hole is formed at the lower end of the movable column.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model achieves the effect of effectively clamping and fixing the two ends of the integrated electric drive axle through the arrangement of a dual-axis motor, an arc-shaped support, a rotating shaft, a rotating sleeve, a first bevel gear, a second bevel gear, an adjusting screw, a fixing box, a moving frame and an arc-shaped clamping plate. Moreover, since the arc surfaces of the arc-shaped support and the arc-shaped clamping plate can effectively fit with the surface of the integrated electric drive axle, the integrated electric drive axle is effectively prevented from being displaced and tilted due to force or inertia, thereby greatly improving the stability of the clamping and fixing of the integrated electric drive axle. At the same time, through the arrangement of the driving motor, the bidirectional screw and the moving plate, the effect of adjusting the distance between the two sets of arc-shaped clamping plates and the arc-shaped support is achieved, thereby meeting the demand for fixing integrated electric drive axles of different lengths, which is convenient for personnel to use.

[0015] 2. The utility model achieves the purpose of limiting and guiding the rotating shaft and the rotating sleeve by setting the guide block and the guide groove, and ensures that the rotating shaft and the rotating sleeve can rotate synchronously. The purpose of supporting and fixing the dual-axis motor is achieved by setting the fixed seat. The purpose of guiding the movable frame is achieved by setting the guide slide bar, and the movable frame is prevented from tilting during the movement. The purpose of supporting the right side of the bidirectional screw and guiding the movable plate is achieved by setting the supporting vertical plate and the guide cross bar, and the bidirectional screw and the movable plate are prevented from tilting due to force. The purpose of stably supporting the test bench is achieved by setting the column, the movable column and the bottom plate. The setting of the locking bolt and the pin hole facilitates personnel to adjust the support height between the column and the movable column according to operational requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 This is a bottom-up stereogram of the present invention;

[0018] Figure 3 This is a front sectional structural diagram of the fixed box of the utility model;

[0019] Figure 4 It is a schematic diagram of the right side cross-sectional structure of the fixed box of the utility model.

[0020] In the figure: 1. test bench; 2. rotating shaft; 3. fixed seat; 4. column; 5. movable column; 6. pin hole; 7. locking bolt; 8. bottom plate; 9. fixed box; 10. arc support; 11. arc clamping plate; 12. double-axis motor; 13. driving motor; 14. fixed plate; 15. bidirectional screw; 16. guide cross bar; 17. movable plate; 18. supporting plate; 19. guide groove; 20. guide block; 21. rotating sleeve; 22. first bevel gear; 23. adjusting screw; 24. second bevel gear; 25. guide slide bar; 26. movable frame. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0022] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0023] Embodiment 1:

[0024] See also Figure 1-Figure 4 As shown, the utility model provides an integrated electric drive bridge test system device, including a test bench 1 and a dual-axis motor 12, a fixed plate 14 is fixedly connected to the left end of the bottom of the test bench 1, a drive motor 13 is fixedly installed on the upper end of the left side of the fixed plate 14, a bidirectional screw 15 is fixedly installed on the output end of the drive motor 13, both ends of the bidirectional screw 15 are threadedly connected to a moving plate 17, the top of the moving plate 17 is fixedly connected to a fixed box 9, the top of the outer surface of the fixed box 9 is fixedly connected to an arc support 10, and the middle end of the inner cavity of the fixed box 9 is movably connected to an adjusting screw through a bearing 23, the upper end of the adjusting screw 23 is threadedly connected to the moving frame 26, the top of the moving frame 26 is fixedly connected to the arc clamping plate 11, the lower end of the adjusting screw 23 is fixedly installed with the second bevel gear 24, the lower ends of the two fixed boxes 9 on the side close to each other are movably connected with the rotating sleeve 21 through the bearing, the side of the two rotating sleeves 21 away from each other is fixedly installed with the first bevel gear 22, the first bevel gear 22 is meshed with the second bevel gear 24, the two sides of the output end of the dual-axis motor 12 are fixedly installed with the rotating shaft 2, and the surface of the rotating shaft 2 is movably connected to the inner cavity of the rotating sleeve 21.

[0025] In the present technical solution, by arranging the dual-axis motor 12, the arc-shaped support 10, the rotating shaft 2, the rotating sleeve 21, the first bevel gear 22, the second bevel gear 24, the adjusting screw 23, the fixing box 9, the movable frame 26 and the arc-shaped clamping plate 11, the effect of effectively clamping and fixing the two ends of the integrated electric drive bridge is achieved. Moreover, since the arc surfaces of the arc-shaped support 10 and the arc-shaped clamping plate 11 can effectively fit with the surface of the integrated electric drive bridge, the displacement and tilting of the integrated electric drive bridge due to force or inertia are effectively avoided, thereby greatly improving the stability of the clamping and fixing of the integrated electric drive bridge. At the same time, by arranging the driving motor 13, the bidirectional screw 15 and the movable plate 17, the effect of adjusting the distance between the two sets of arc-shaped clamping plates 11 and the arc-shaped support 10 is achieved, thereby meeting the demand for fixing integrated electric drive bridges of different lengths, which is convenient for personnel to use.

[0026] Embodiment 2:

[0027] On the basis of embodiment 1, the utility model is as follows Figure 1-Figure 4 As shown, guide blocks 20 are fixedly connected to both sides of the inner cavity of the rotating sleeve 21, guide grooves 19 are opened on both sides of the rotating shaft 2, and the surface of the guide block 20 is movably connected to the surface of the guide groove 19. The middle end of the top of the test bench 1 is fixedly connected to the fixing seat 3, and the bottom of the dual-axis motor 12 is fixedly installed on the top of the fixing seat 3. The middle end of the back of the fixed box 9 is fixedly connected to the guide slide bar 25, and the bottom of the mobile frame 26 is movably connected to the surface of the guide slide bar 25. The right end of the bottom of the test bench 1 is fixedly connected to the support vertical plate 18, and the bidirectional screw The right side of the rod 15 is movably connected to the upper end of the left side of the supporting upright plate 18 through a bearing, a guide cross bar 16 is fixedly connected between the lower end of the right side of the fixed plate 14 and the lower end of the left side of the supporting upright plate 18, and the lower end of the movable plate 17 is movably connected to the surface of the guide cross bar 16. The bottom of the test bench 1 is fixedly connected with columns 4 on all sides, and the inner cavity of the column 4 is movably connected with a movable column 5. A base plate 8 is fixedly connected between the bottoms of the two movable columns 5, and a locking bolt 7 is threadedly connected to the lower end of the column 4, and a pin hole 6 is provided at the lower end of the movable column 5.

[0028] In the present technical scheme, the purpose of limiting and guiding the rotating shaft 2 and the rotating sleeve 21 is achieved by setting the guide block 20 and the guide groove 19, and it is ensured that the rotating shaft 2 and the rotating sleeve 21 can rotate synchronously. The purpose of supporting and fixing the dual-axis motor 12 is achieved by setting the fixed seat 3. The purpose of guiding the movable frame 26 is achieved by setting the guide slide bar 25, and the movable frame 26 is prevented from tilting during the movement. The purpose of supporting the right side of the bidirectional screw 15 and guiding the movable plate 17 is achieved by setting the supporting vertical plate 18 and the guide cross bar 16, and the purpose of supporting the right side of the bidirectional screw 15 and guiding the movable plate 17 is achieved, and the bidirectional screw 15 and the movable plate 17 are prevented from tilting due to force. The purpose of stably supporting the test bench 1 is achieved by setting the column 4, the movable column 5 and the bottom plate 8. The purpose of stably supporting the test bench 1 is achieved by setting the locking bolt 7 and the pin hole 6. It is convenient for personnel to adjust the support height between the column 4 and the movable column 5 according to the operation requirements.

[0029] The working principle of the utility model is as follows: through the setting of the arc-shaped support 10, the integrated electric drive axle required for testing and experiment can be supported, and by starting the dual-axis motor 12, the rotating shaft 2, the rotating sleeve 21 and the first bevel gear 22 can be driven to rotate, and the rotation of the first bevel gear 22 can drive the second bevel gear 24 and the adjusting screw 23 to rotate along the bearing on the fixed box 9, and the rotation of the adjusting screw 23 can drive the movable frame 26 and the arc-shaped clamping plate 11 to move downward until the arc-shaped clamping plate 11 can be tightly attached to the top of the integrated electric drive axle, thereby achieving the effect of effectively clamping and fixing the two ends of the integrated electric drive axle, and because the arc surfaces of the arc-shaped support 10 and the arc-shaped clamping plate 11 can effectively fit with the surface of the integrated electric drive axle, the integrated electric drive axle is effectively prevented from being subjected to force or inertia. Displacement and tilting occur, thereby greatly improving the stability of clamping and fixing the integrated electric drive axle, and when it is necessary to test and experiment on integrated electric drive axles of different lengths, by starting the drive motor 13, the bidirectional screw 15 can be driven to rotate, and the two sets of movable plates 17 can be driven to move along the surface of the bidirectional screw 15 toward the side close to each other, and the movement of the movable plate 17 can drive the fixed box 9 to move, and the movement of the fixed box 9 can drive the rotating sleeve 21 to move along the surface of the rotating shaft 2, and can drive the adjusting screw 23, the movable frame 26, the arc clamping plate 11 and the arc support 10 to move, thereby achieving the effect of adjusting the distance between the two sets of arc clamping plates 11 and the arc support 10, thereby meeting the needs of fixing integrated electric drive axles of different lengths, and facilitating personnel to use.

[0030] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0031] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0032] 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 the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. An integrated electric drive axle test system device, comprising a test bench (1) and a dual-axis motor (12), characterized in that: The left end of the bottom of the test bench (1) is fixedly connected to a fixed plate (14), the upper end of the left side of the fixed plate (14) is fixedly installed with a driving motor (13), the output end of the driving motor (13) is fixedly installed with a bidirectional screw (15), both ends of the bidirectional screw (15) are threadedly connected to a moving plate (17), the top of the moving plate (17) is fixedly connected to a fixed box (9), the top of the outer surface of the fixed box (9) is fixedly connected to an arc support (10), the middle end of the inner cavity of the fixed box (9) is movably connected to an adjusting screw (23) through a bearing, and the upper end of the adjusting screw (23) is threadedly connected to a moving plate (17). A movable frame (26), the top of which is fixedly connected with an arc-shaped clamping plate (11), the lower end of the adjusting screw (23) is fixedly mounted with a second bevel gear (24), the lower ends of the two fixed boxes (9) on the side close to each other are movably connected with a rotating sleeve (21) through a bearing, the sides of the two rotating sleeves (21) away from each other are fixedly mounted with a first bevel gear (22), the first bevel gear (22) is meshed with the second bevel gear (24), and rotating shafts (2) are fixedly mounted on both sides of the output end of the dual-axis motor (12), and the surface of the rotating shaft (2) is movably connected to the inner cavity of the rotating sleeve (21).

2. The integrated electric drive bridge test system device according to claim 1 is characterized in that: Guide blocks (20) are fixedly connected to both sides of the inner cavity of the rotating sleeve (21), guide grooves (19) are opened on both sides of the rotating shaft (2), and the surface of the guide block (20) is movably connected to the surface of the guide groove (19).

3. The integrated electric drive axle test system device according to claim 1, characterized in that: A fixing seat (3) is fixedly connected to the middle end of the top of the test bench (1), and the bottom of the dual-axis motor (12) is fixedly mounted on the top of the fixing seat (3).

4. The integrated electric drive axle test system device according to claim 1, characterized in that: A guide slide bar (25) is fixedly connected to the middle end of the back side of the fixed box (9), and the bottom of the movable frame (26) is movably connected to the surface of the guide slide bar (25).

5. The integrated electric drive bridge test system device according to claim 1, characterized in that: The right end of the bottom of the test bench (1) is fixedly connected to a support vertical plate (18), the right side of the bidirectional screw (15) is movably connected to the upper end of the left side of the support vertical plate (18) through a bearing, a guide cross bar (16) is fixedly connected between the lower end of the right side of the fixed plate (14) and the lower end of the left side of the support vertical plate (18), and the lower end of the movable plate (17) is movably connected to the surface of the guide cross bar (16).

6. The integrated electric drive axle test system device according to claim 1, characterized in that: The bottom of the test bench (1) is fixedly connected to columns (4) on all sides, the inner cavity of the columns (4) is movably connected to movable columns (5), and a bottom plate (8) is fixedly connected between the bottoms of the two movable columns (5).

7. The integrated electric drive axle test system device according to claim 6, characterized in that: The lower end of the upright column (4) is threadedly connected with a locking bolt (7), and the lower end of the movable column (5) is provided with a pin hole (6).

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