CN217332760U

CN217332760U - Electric automobile motor capability test frock

Info

Publication number: CN217332760U
Application number: CN202123238259.4U
Authority: CN
Inventors: 陈永祥; 高旭程; 陈禹尧; 高旭权
Original assignee: Suzhou Unimation Industrial Robot Technology Co ltd
Current assignee: Suzhou Unimation Industrial Robot Technology Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-08-30
Anticipated expiration: 2031-12-21

Abstract

The utility model relates to a motor performance testing tool of an electric automobile, which comprises a fixing mechanism, a testing mechanism, a load motor and a motor to be tested; the testing mechanism comprises a rotating assembly, a first fixing assembly and a second fixing assembly, the rotating assembly comprises a spline shaft sleeve and a sleeve, and the first spline shaft sleeve and the second spline shaft sleeve are respectively embedded at two ends of the sleeve; a bearing is clamped between the first fixing component and the second fixing component, the bearing is sleeved outside the rotating component, the rotating component is embedded in a through hole in the fixed plate, and the first fixing component and the second fixing component are respectively arranged on two sides of the fixed plate; the output end of the load motor is connected with the first spline shaft sleeve and is arranged on one side of the first fixing component; the output end of the motor to be tested is connected with the second spline shaft sleeve and is arranged on one side of the second fixed component. The utility model discloses a set up the axiality of sleeve and two spline shaft sleeve cooperations assurance load motor and the motor that awaits measuring, not only simple structure, easily assembly, the reliability is high moreover.

Description

Electric automobile motor capability test frock

Technical Field

The utility model belongs to the technical field of the motor capability test technique and specifically relates to indicate an electric automobile motor capability test frock.

Background

The core parts of the electric automobile are a motor, a motor controller and a battery, and the performance of the motor directly influences the stability of the electric automobile, so that the motor needs to be subjected to comprehensive performance testing. The performance test of motor generally has rotational speed mode and moment of torsion mode two kinds, adopts load motor coaxial coupling to await measuring the motor usually, and load motor applies the different use scenes of load simulation, treats the performance test of measuring the motor, consequently needs very high precision to the axiality of two motor installations in the test fixture, otherwise just can cause the inaccuracy of test result or can cause the damage to load motor and the motor that awaits measuring. In the existing performance testing device, two structures are generally adopted: 1. the load motor and the motor to be tested are connected by adopting the flexible coupling, the coaxiality is poor, the motor is possibly subjected to uneven load in the operation process, and the test result has errors; 2. the load motor and the motor to be tested are connected with the coupler, torque transmission is carried out by means of the rigid transmission shaft, and coaxiality of the two motors is guaranteed by means of connection of the coupler and the rigid transmission shaft, so that the motor, the coupler and the transmission shaft are required to be extremely high in assembly precision, and the motor to be tested and the coupler to be tested are complex in assembly and low in reliability.

Therefore, it is necessary to provide a tool for testing the motor performance of an electric vehicle, which has a simple structure and high reliability.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model discloses the technical problem that will solve lies in overcoming among the prior art problem that load motor is poor with the motor axiality that awaits measuring, the assembly is complicated and the reliability is low.

In order to solve the technical problem, the utility model provides an electric vehicle motor performance testing tool, which comprises a fixing mechanism, a testing mechanism, a load motor and a motor to be tested; the fixing mechanism comprises a bottom plate and a fixing plate provided with a through hole, and the fixing plate is arranged on the bottom plate; the testing mechanism comprises a rotating assembly, a first fixing assembly and a second fixing assembly, the rotating assembly comprises a first spline shaft sleeve, a second spline shaft sleeve and a sleeve, and the first spline shaft sleeve and the second spline shaft sleeve are respectively embedded at two ends of the sleeve; a bearing is clamped between the first fixed component and the second fixed component and sleeved outside the rotating component; the testing mechanism is arranged on the fixing mechanism, the rotating assembly is embedded in the through hole of the fixing plate, and the first fixing assembly and the second fixing assembly are respectively arranged on two sides of the fixing plate; the output end of the load motor is connected with the first spline shaft sleeve, and the load motor is arranged on one side of the first fixing component; the output end of the motor to be tested is connected with the second spline shaft sleeve, and the motor to be tested is arranged on one side of the second fixed component.

The utility model discloses an in one embodiment, accredited testing organization is provided with the retaining ring and sets up notched bearing support seat, bearing support seat one side is connected the retaining ring, and the opposite side is connected the fixed plate, retaining ring and bearing support seat are used for fixing the bearing.

In an embodiment of the present invention, the number of the bearings is two.

In an embodiment of the present invention, the first fixing component includes a first limiting plate and a first outer plate, the first limiting plate is connected to the first outer plate on one side, and the fixing plate is connected to the other side.

In an embodiment of the present invention, the second fixed component includes a second limiting plate and a second outer plate, the second limiting plate is connected to the second outer plate on one side, and the fixing plate is connected to the other side.

The utility model discloses an in one embodiment, be provided with on the bottom plate and be used for supporting the supporting mechanism of the motor that awaits measuring, supporting mechanism includes supporting seat, backup pad and guide rail set spare, the supporting seat set up in the backup pad, the backup pad set up in on the guide rail set spare.

In an embodiment of the present invention, the number of the guide rail assemblies is two.

In an embodiment of the present invention, the fixing mechanism further includes a rib plate, one side of the rib plate is connected to the fixing plate, and the other side of the rib plate is connected to the bottom plate.

In an embodiment of the present invention, two rib plates are symmetrically disposed on one side of the fixing plate.

In an embodiment of the present invention, two rib plates are symmetrically disposed on the other side of the fixing plate.

Compared with the prior art, the technical scheme of the utility model have following advantage:

electric automobile motor capability test frock, guarantee the axiality of load motor and the motor that awaits measuring through setting up sleeve and two spline shaft sleeve cooperations, not only simple structure easily assembles, the reliability is high moreover.

Drawings

In order to make the content of the invention more clearly understood, the invention will now be described in further detail with reference to specific embodiments thereof, in conjunction with the accompanying drawings, in which

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a cross-sectional view of a testing mechanism.

The specification reference numbers indicate: 1. a fixing mechanism; 2. a testing mechanism; 3. a load motor; 4. a motor to be tested; 5. a support mechanism; 11. a base plate; 12. a fixing plate; 13. a rib plate; 21. rotating the assembly; 22. a first fixed component; 23. a second stationary component; 24. a bearing; 25. a retainer ring; 26. a bearing support seat; 211. a first spline shaft sleeve; 212. a second spline shaft sleeve; 213. a sleeve; 221. a first limit plate; 222. a first outer plate; 231. a second limiting plate; 232. a second outer plate; 51. a supporting seat; 52. a support plate; 53. a guide rail assembly.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1 to 2, the utility model discloses an embodiment of electric automobile motor performance test frock, include:

fixing mechanism 1, fixing mechanism 1 includes bottom plate 11, gusset 13 and the fixed plate 12 who offers the through-hole, and fixed plate 12 sets up on bottom plate 11, and fixed plate 12 is connected to gusset 13 one side, and bottom plate 11 is connected to the opposite side, and two gusset 13 symmetries set up in fixed plate 12 one side, and two gusset 13 symmetries set up in fixed plate 12 opposite sides, and fixed plate 12 both sides are provided with four gusset 13 altogether and are used for supporting, are favorable to the stability of unit mount.

The testing mechanism 2 comprises a rotating component 21, a first fixed component 22 and a second fixed component 23, the rotating component 21 comprises a first spline shaft sleeve 211, a second spline shaft sleeve 212 and a sleeve 213, the first spline shaft sleeve 211 and the second spline shaft sleeve 212 are respectively embedded at two ends of the sleeve 213, the first spline shaft and the second spline shaft sleeve 212 are arranged in the same sleeve 213, the sleeve 213 can not only transmit torque, but also ensure the axial installation accuracy of the first spline shaft sleeve 211 and the second spline shaft sleeve 212, and further ensure the coaxiality of the first spline shaft sleeve 211 and the second spline shaft sleeve 212; the first fixing assembly 22 comprises a first limit plate 221 and a first outer plate 222, one side of the first limit plate 221 is connected with the first outer plate 222, the other side of the first limit plate 221 is connected with the fixed plate 12, the second fixing assembly 23 comprises a second limit plate 231 and a second outer plate 232, one side of the second limit plate 231 is connected with the second outer plate 232, the other side of the second limit plate 231 is connected with the fixed plate 12, a bearing 24 is clamped between the first fixing assembly 22 and the second fixing assembly 23, the bearing 24 is sleeved outside the rotating assembly 21, an inner ring of the bearing 24 is arranged on the sleeve 213, and when the sleeve 213 rotates, the inner ring of the bearing 24 rotates along with the sleeve 213; the testing mechanism 2 is arranged on the fixing mechanism 1, the rotating component 21 is embedded in the through hole of the fixing plate 12, the first fixing component 22 and the second fixing component 23 are respectively arranged on two sides of the fixing plate 12, the rotating component 21, the first fixing component 22 and the second fixing component 23 form an H-shaped structure together, the structure is firm, and stable operation of the motor is guaranteed.

Load motor 3 and motor 4 that awaits measuring, first spline axle sleeve 211 is connected to load motor 3 output, the spline meshing in load motor 3 output and the first spline axle sleeve 211, load motor 3 sets up in first planking 222 one side, second spline axle sleeve 212 is connected to the motor 4 output that awaits measuring, the spline meshing in motor 4 output and the second spline axle sleeve 212 that awaits measuring, motor 4 that awaits measuring sets up in second planking 232 one side, because the axiality of first spline axle sleeve 211 and second spline axle sleeve 212 can be guaranteed, consequently, load motor 3 also can be guaranteed with the axiality of motor 4 that awaits measuring, when load motor 3 output rotates, drive sleeve 213 through first spline axle sleeve 211 and rotate, and then drive the output rotation of motor 4 that awaits measuring in the second spline axle sleeve 212, and then test its performance.

Specifically, the testing mechanism 2 is provided with a retainer ring 25 and a bearing support seat 26 with a groove, one side of the bearing support seat 26 is connected with the retainer ring 25, the other side of the bearing support seat is connected with the fixing plate 12, the retainer ring 25 and the bearing support seat 26 are matched to fix the bearing 24, the outer ring of the bearing 24 is embedded in the groove of the bearing support seat 26, the bearing support seat 26 is used for limiting the radial movement of the bearing 24, the retainer ring 25 is used for limiting the axial movement of the bearing 24, and when the inner ring of the bearing 24 rotates along with the sleeve 213, the outer ring of the bearing 24 and the bearing support seat 26 are fixed.

Specifically, the number of the bearings 24 is two, and the bearings are angular contact ball bearings, so that the angular contact ball bearings are suitable for high-speed operation due to low friction torque, and the rotation precision can be ensured by matching the two deep groove ball bearings, so that the sleeve 213 can rotate more stably.

Specifically, be provided with the supporting mechanism 5 that is used for supporting motor 4 that awaits measuring on the bottom plate 11, supporting mechanism 5 includes supporting seat 51, backup pad 52 and guide rail set 53, supporting seat 51 sets up in backup pad 52, backup pad 52 sets up on guide rail set 53, guide rail set 53 quantity sets up to two, play the effect of direction and support, guarantee that supporting seat 51 and backup pad 52 can be accurate move along a certain direction, supporting mechanism 5 can guarantee that motor 4 that awaits measuring can also keep steadily after bearing the moment of torsion of load motor 3.

Specifically, load motor 3 is fixed to be set up on first certain subassembly 22, and it is fixed that subassembly 23 one side is decided to the second that motor 4 that awaits measuring transports through supporting mechanism 5, and load motor 3 starts, and first certain subassembly 22 is decided subassembly 23 motionless with the second, changes subassembly 21 and begins to rotate, transmits the moment of torsion through sleeve 213, makes motor 4 that awaits measuring move, and load motor 3 simulates the different use scenes of motor 4 that awaits measuring through exerting different loads to test motor 4 performance that awaits measuring.

Specifically, the load motor 3 is fixedly arranged at one side of the first outer plate 222 in the first fixing assembly 22, and the output end of the load motor 3 is meshed with the first spline shaft sleeve 211; the motor 4 to be tested is placed on the supporting seat 51 in the supporting mechanism 5, the guide rail assembly 53 conveys the motor 4 to be tested to one side of the second outer plate 232 through the conveying supporting plate 52 and the supporting seat 51 and fixes the motor 4 to be tested, and at the moment, the output end of the motor 4 to be tested is meshed with the second spline shaft sleeve 212; at this moment, the load motor 3 is started, the output end of the load motor 3 starts to rotate at a high speed, and the load motor is meshed with the first spline shaft, so that the first spline shaft sleeve 211 is driven to rotate, the first spline shaft sleeve 211 is fixedly arranged in the sleeve 213, so that the load motor is driven to rotate at a high speed, the other end of the sleeve 213 is fixedly provided with the second spline shaft sleeve 212, so that the second spline shaft sleeve 212 is driven to rotate at a high speed, the second spline shaft sleeve 212 is meshed with the output end of the motor 4 to be tested, so that the output end of the motor 4 to be tested rotates at a high speed, then the load motor 3 simulates different use scenes by applying different loads, and therefore the performance of the motor 4 to be tested is tested.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. The utility model provides an electric automobile motor capability test frock which characterized in that includes:

the fixing mechanism comprises a bottom plate and a fixing plate provided with a through hole, and the fixing plate is arranged on the bottom plate;

the testing mechanism comprises a rotating assembly, a first fixing assembly and a second fixing assembly, the rotating assembly comprises a first spline shaft sleeve, a second spline shaft sleeve and a sleeve, and the first spline shaft sleeve and the second spline shaft sleeve are embedded at two ends of the sleeve respectively; a bearing is clamped between the first fixed component and the second fixed component and sleeved outside the rotating component; the testing mechanism is arranged on the fixing mechanism, the rotating assembly is embedded in a through hole in the fixing plate, and the first fixing assembly and the second fixing assembly are respectively arranged on two sides of the fixing plate;

the output end of the load motor is connected with the first spline shaft sleeve, and the load motor is arranged on one side of the first fixing component;

the output end of the motor to be tested is connected with the second spline shaft sleeve, and the motor to be tested is arranged on one side of the second fixed component.

2. The electric vehicle motor performance testing tool of claim 1, wherein the testing mechanism is provided with a retaining ring and a bearing support seat with a groove, one side of the bearing support seat is connected with the retaining ring, the other side of the bearing support seat is connected with the fixing plate, and the retaining ring and the bearing support seat are used for fixing the bearing.

3. The electric vehicle motor performance test tool according to claim 2, wherein the number of the bearings is two.

4. The electric vehicle motor performance test tool according to claim 1, wherein the first fixing assembly comprises a first limiting plate and a first outer plate, one side of the first limiting plate is connected with the first outer plate, and the other side of the first limiting plate is connected with the fixing plate.

5. The electric vehicle motor performance test tool of claim 1, wherein the second fixed assembly comprises a second limiting plate and a second outer plate, one side of the second limiting plate is connected with the second outer plate, and the other side of the second limiting plate is connected with the fixing plate.

6. The electric vehicle motor performance test tool according to claim 1, wherein a supporting mechanism for supporting the motor to be tested is arranged on the bottom plate, the supporting mechanism comprises a supporting seat, a supporting plate and a guide rail assembly, the supporting seat is arranged on the supporting plate, and the supporting plate is arranged on the guide rail assembly.

7. The electric vehicle motor performance test tool of claim 6, wherein the number of the guide rail assemblies is two.

8. The electric vehicle motor performance testing tool according to claim 1, wherein the fixing mechanism further comprises a rib plate, one side of the rib plate is connected with the fixing plate, and the other side of the rib plate is connected with the bottom plate.

9. The electric vehicle motor performance test tool according to claim 8, wherein the two rib plates are symmetrically arranged on one side of the fixing plate.

10. The electric vehicle motor performance test tool according to claim 9, wherein the two rib plates are symmetrically arranged on the other side of the fixing plate.