WO2023213136A1

WO2023213136A1 - Limiting device for automobile electric motor fault detection

Info

Publication number: WO2023213136A1
Application number: PCT/CN2023/080654
Authority: WO
Inventors: 吴从兵; 周红霞
Original assignee: 皖西学院
Priority date: 2022-05-06
Filing date: 2023-03-10
Publication date: 2023-11-09
Also published as: ZA202303945B; CN115097299A

Abstract

A limiting device for automobile electric motor fault detection, belonging to the field of electric motor fault detection. The device comprises a workbench (1), wherein a clamping mechanism (2) is arranged on the workbench (1); the clamping mechanism (2) comprises two clamping plates (21), which are slidably connected to the workbench (1); lower ends of the two clamping plates (21) are each provided with a first rack (22); a driving device (23) is fixed to a lower end of the workbench (1); and a first gear (24) is fixed to a driving shaft of the driving device (23), and the first gear (24) is located between the two first racks (22) and meshes with both the first racks (22). By means of controlling the operation of the driving device (23), the two clamping plates (21) can synchronously slide in opposite directions, so that an electric motor can be clamped and fixed.

Description

A limiting device for automobile motor fault detection

Technical field

The invention belongs to the field of motor fault detection, and specifically relates to a limiting device for automobile motor fault detection.

Background technique

With the continuous development of science and technology, the market share of new energy vehicles is gradually increasing. As the core power component of new energy vehicles, the quality of the motor directly affects the power output of new energy vehicles; therefore, all motors need to be inspected before leaving the factory. Performance testing; For some motors that are found to have faults during the testing process, fault detection needs to be performed to find out the problem and repair it; the motor needs to be powered on when performing fault detection, and during power-on testing, the motor will vibrate. If it is not checked in advance, If the motor is fixed, the connection stability of the energized connector will be affected, thus affecting the fault test process.

Contents of the invention

In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a limiting device for automobile motor fault detection, which can fix the motor and ensure the stability of the fault detection process.

The object of the present invention can be achieved through the following technical solutions:

A limiting device for automobile motor fault detection, including a workbench. The workbench is provided with a clamping mechanism. The clamping mechanism includes two splints slidingly connected to the workbench. A third plywood is fixed at the lower end of the two splints. A gear rack, a driving device is fixed at the lower end of the workbench, and a first gear is fixed on the driving shaft of the driving device. The first gear is located between the two first gear racks and meshes with the two first gear racks at the same time; By controlling the operation of the driving device, the two splints can be synchronously slid in opposite directions, thereby clamping and fixing the motor.

Further, a pressing mechanism is fixed on the upper end of the two clamping plates respectively. The pressing mechanism includes a fixed frame fixed on the upper end of the clamping plate. The fixed frame is provided with a lifting rod that can be lifted and lowered. The lower end of the lifting rod is fixed with a connecting plate. A pressure plate is provided at the lower end of the connecting plate, and the lifting rod descends so that the pressure plate can exert downward pressure on the motor.

Further, one side of the two splints is respectively provided with a trigger mechanism. The trigger mechanism includes a mounting bracket fixed on one side of the splint. A sliding rod is slidably connected to the mounting bracket. The sliding rod can penetrate the plywood and is slidingly connected to the splint. The rod is provided with a second fixed plate, and the sliding rod is covered with a first spring. Both ends of the first spring are fixedly connected to the sides of the second fixed plate and the mounting bracket respectively. Under the elastic force of the first spring, the first spring The two fixed plates can be tightly attached to the side of the plywood. At this time, one end of the sliding rod penetrates the plywood and extends beyond the side of the plywood. When the two plywood are close to each other, the end of the sliding rod will be in contact with the surface of the motor and can make the sliding rod move toward Slide the side away from the splint;

A third fixed plate is fixed on one side of the splint, a rotating rod is rotationally connected to the third fixed plate, a second gear and a third gear are fixed on the rotating rod, a second rack is fixed on the sliding rod, and the second gear is fixed on the sliding rod. The bars and the second gear mesh with each other; a fourth fixed plate is fixed on one side of the splint, and a connecting rod is slidably connected to the fourth fixed plate. The sliding direction of the connecting rod is the vertical direction, and a third rack is provided on the connecting rod. The third rack and the third gear mesh with each other; when the sliding rod slides toward the side away from the splint, the connecting rod will slide downward;

The connecting rod is fixedly connected to the lifting rod, and the connecting rod slides downward to drive the pressure plate to press down; and when the two clamping plates clamp the motor, the pressure plate can act on the motor.

Further, the upper end of the pressure plate is provided with two guide rods. The guide rods penetrate the connecting plate in the vertical direction and are slidingly connected with the connecting plate. The guide rods are covered with a second spring, and the two ends of the second spring are respectively connected with the pressure plate. And the connection plate is fixedly connected, thereby realizing an elastic connection between the pressure plate and the connection plate, so that when the pressure plate contacts the motor before the clamping plate, the two clamping plates can continue to approach.

Further, the upper end of the guide rod is provided with a circular cone. Under the elastic force of the second spring, the circular cone Can fit snugly on the connecting plate.

Further, four universal wheels are provided at the lower end of the workbench, and a third spring is installed between the universal wheels and the workbench.

The beneficial effects of the present invention are: by arranging a clamping mechanism on the workbench, the motor is clamped and fixed to ensure the stability of the fault detection process; a pressing mechanism is arranged on the splint to exert downward force on the motor in the vertical direction. pressure to further secure the motor.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings needed to describe the embodiments or the prior art. Obviously, for those of ordinary skill in the art, Speaking of which, other drawings can be obtained based on these drawings without any creative effort.

Figure 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

Figure 2 is a schematic structural diagram of the clamping mechanism according to the embodiment of the present invention;

Figure 3 is a schematic structural diagram of the pressing mechanism according to the embodiment of the present invention;

Figure 4 is a schematic structural diagram of the pressure plate according to the embodiment of the present invention;

Figure 5 is a schematic structural diagram of the trigger mechanism according to the embodiment of the present invention;

Figure 6 is a schematic structural diagram of the sliding rod according to the embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

As shown in Figure 1, a limiting device for automobile motor fault detection includes a workbench 1. The motor is working The upper end of the workbench 1 is powered on and fault detection is completed; the upper end of the workbench 1 is provided with a clamping mechanism 2. The clamping mechanism 2 is used to fix the motor to ensure that when the motor is powered on and running, it will not cause the motor to shake due to being unfixed. causing the wiring to fall off and affecting the detection process;

As shown in Figure 2, the clamping mechanism 2 includes two clamping plates 21 that are slidingly connected to the workbench 1. The two clamping plates 21 are close to each other and can clamp and fix the motor; a third clamping plate is fixed at the lower end of the two clamping plates 21. A rack 22, a driving device 23 is fixed at the lower end of the workbench 1, a first gear 24 is fixed on the driving shaft of the driving device 23, the first gear 24 is located between the two first racks 22, and is connected to the two first racks 22 at the same time. The first rack 22 is engaged; by controlling the operation of the driving device 23, the two clamping plates 21 can be synchronously slid in reverse direction, thereby clamping and fixing the motor.

A pressing mechanism 3 is fixed on the upper end of the two clamping plates 21 respectively. The pressing mechanism 3 exerts a pressing force on the motor from the vertical direction, thereby further achieving stable fixation of the motor; and, the pressing mechanism 3 is fixed on the clamping plate. 21, and slides together with the splint 21, which can avoid the pressing mechanism 3 from interfering with the disassembly and installation of the motor during fault detection and loading;

As shown in Figure 3, the pressing mechanism 3 includes a fixed frame 31 fixed on the upper end of the splint 21. The fixed frame 31 is provided with a lifting rod 32 that can be lifted and lowered. The lower end of the lifting rod 32 is fixed with a connecting plate 33. The lower end of the connecting plate 33 A pressure plate 34 is provided, and the lifting rod 32 descends, so that the pressure plate 34 can exert downward force on the motor.

A trigger mechanism 4 is provided on one side of the two clamping plates 21 respectively. The triggering mechanism 4 is used to realize the linkage relationship between the clamping plates 21 and the pressing plate 34, so that when the two clamping plates 21 clamp the motor, the pressing plate 34 can also clamp the motor. , instead of operating the pressing mechanism 3 and the clamping mechanism 2 separately to limit and fix the motor, the convenience of operation is improved;

As shown in Figures 5-6, the triggering mechanism 4 includes a mounting bracket 41 fixed on one side of the splint 21. A sliding rod 42 is slidably connected to the mounting bracket 41. The sliding rod 42 can penetrate the plywood 21 and be slidably connected to the plywood 21. The sliding rod 42 42 is provided with a second fixed plate 421, and the sliding rod 42 is covered with a first spring 43. The two ends of 43 are fixedly connected to the side of the second fixing plate 421 and the side of the mounting bracket 41 respectively. Under the elastic force of the first spring 43, the second fixing plate 421 can be tightly attached to the side of the splint 21, and then slide One end of the rod 42 penetrates the splint 21 and extends beyond the side of the splint 21; when the two splints 21 are close to each other, the end of the sliding rod 42 will contact the surface of the motor and enable the sliding rod 42 to slide toward the side away from the splint 21;

A third fixed plate 44 is fixed on one side of the clamping plate 21. A rotating rod 45 is rotatably connected to the third fixed plate 44. The second gear 46 and the third gear 47 are fixed to the rotating rod 45. The sliding rod 42 is fixed to a second gear. The rack 48, the second rack 48 and the second gear 46 mesh with each other; a fourth fixed plate 49 is fixed on one side of the clamping plate 21, and a connecting rod 410 is slidably connected to the fourth fixed plate 49. The sliding direction of the connecting rod 410 is In the vertical direction, the connecting rod 410 is provided with a third rack 411, and the third rack 411 meshes with the third gear 47; when the two clamping plates 21 are close and the sliding rod 42 slides toward the side away from the clamping plates 21, The connecting rod 410 will slide downward;

The connecting rod 410 is fixedly connected to the lifting rod 32. The connecting rod 410 slides downward and can drive the pressure plate 34 to press down; and when the two clamping plates 21 clamp the motor, the pressure plate 34 can act on the motor.

As shown in Figure 4, the upper end of the pressure plate 34 is provided with two guide rods 341. The guide rods 341 penetrate the connecting plate 33 along the vertical direction and are slidingly connected with the connecting plate 33. The guide rods 341 are covered with a second spring 35. Both ends of the two springs 35 are fixedly connected to the pressure plate 34 and the connecting plate 35 respectively, thereby realizing an elastic connection between the pressure plate 34 and the connecting plate 35, so that when the pressure plate 34 contacts the motor before the clamping plate 21, the two clamping plates 21 can continue to Close to ensure the fixation of the motor;

In this embodiment, the upper end of the guide rod 341 is provided with a circular cone 342. Under the elastic force of the second spring 35, the circular cone 342 can be tightly attached to the connecting plate 33, thereby preventing the guide rod 341 from being separated from the connecting plate 33, and can The pressure plate 34 is prevented from moving in the vertical direction.

The lower end of the workbench 1 is provided with four universal wheels 5, which facilitates the transfer of the workbench 1 and is universal. A third spring 6 is installed between the direction wheel 5 and the workbench 1, so that the transport process of the workbench 1 can be damped and buffered; and when the motor is powered on, the vibration generated can be reduced by the third spring 6.

In the description of this specification, reference to the terms "one embodiment," "example," "specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one aspect of the invention. in an embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have other aspects. Various changes and modifications are possible, which fall within the scope of the claimed invention.

Claims

A limiting device for automobile motor fault detection, including a workbench (1), characterized in that a clamping mechanism (2) is provided on the workbench (1), and the clamping mechanism (2) includes two The table (1) is slidably connected to a plywood (21). A first rack (22) is fixed at the lower end of the two plywood (21). A driving device (23) is fixed at the lower end of the workbench (1). The driving device (23) is fixed at the lower end of the two plywood (21). A first gear (24) is fixed on the drive shaft of 23). The first gear (24) is located between the two first racks (22) and meshes with the two first racks (22) at the same time; by controlling When the driving device (23) operates, the two splints (21) can slide synchronously and reversely, thereby clamping and fixing the motor.
A limiting device for automobile motor fault detection according to claim 1, characterized in that a pressing mechanism (3) is fixed on the upper end of the two clamping plates (21) respectively, and the pressing mechanism (3) includes The fixed frame (31) is fixed on the upper end of the splint (21). The fixed frame (31) is provided with a lifting rod (32) that can be lifted and lowered. The lower end of the lifting rod (32) is fixed with a connecting plate (33). The connecting plate (33) ) is provided with a pressure plate (34) at its lower end, and the lifting rod (32) descends so that the pressure plate (34) can exert downward force on the motor.
A limiting device for automobile motor fault detection according to claim 2, characterized in that a trigger mechanism (4) is provided on one side of the two clamping plates 21, and the triggering mechanism (4) includes a component fixed on the clamping plate ( 21) The mounting bracket (41) on one side has a sliding rod (42) slidably connected to the mounting bracket (41). The sliding rod (42) can penetrate the plywood (21) and be slidably connected to the plywood (21). The sliding rod (42) ) is provided with a second fixed plate (421), the sliding rod (42) is covered with a first spring (43), and the two ends of the first spring (43) are respectively connected with the sides of the second fixed plate (421) and the mounting bracket. (41) is fixedly connected to the side. Under the elastic force of the first spring (43), the second fixed plate (421) can be tightly attached to the side of the splint (21). At this time, one end of the sliding rod (42) penetrates the splint. (21) and beyond the side of the splint (21); when When the two splints (21) are close to each other, the end of the sliding rod (42) will contact the surface of the motor and enable the sliding rod (42) to slide toward the side away from the splinting plates (21);

A third fixed plate (44) is fixed to one side of the clamping plate (21), a rotating rod (45) is rotatably connected to the third fixed plate (44), and a second gear (46) is fixed to the rotating rod (45). and the third gear (47), a second rack (48) is fixed on the sliding rod (42), and the second rack (48) meshes with the second gear (46); one side of the splint (21) is fixed with a The fourth fixed plate (49) has a connecting rod (410) slidably connected to the fourth fixed plate (49). The sliding direction of the connecting rod (410) is the vertical direction, and a third rack is provided on the connecting rod (410). (411), the third rack (411) and the third gear (47) mesh with each other; when the sliding rod (42) slides toward the side away from the splint (21), the connecting rod (410) will slide downward;

The connecting rod (410) is fixedly connected to the lifting rod (32), and the connecting rod (410) slides downward to drive the pressure plate (34) to press down; and when the two clamping plates (21) clamp the motor, the pressure plate (34) Can act on the motor.
A limiting device for automobile motor fault detection according to claim 3, characterized in that the upper end of the pressure plate (34) is provided with two guide rods (341), and the guide rods (341) are arranged along the vertical direction. It penetrates through the connecting plate (33) and is slidingly connected with the connecting plate (33). The guide rod (341) is covered with a second spring (35). The two ends of the second spring (35) are respectively connected with the pressure plate (34) and the connecting plate (34). 35) Fixed connection, thereby achieving elastic connection between the pressure plate (34) and the connecting plate (35), so that when the pressure plate (34) contacts the motor before the clamping plate (21), the two clamping plates (21) can continue to approach.
A limiting device for automobile motor fault detection according to claim 4, characterized in that a circular cone (342) is provided at the upper end of the guide rod (341), and under the elastic force of the second spring (35), The circular cone (342) can be tightly attached to the connecting plate (33).
A limiting device for automobile motor fault detection according to claim 1, characterized in that four universal wheels (5) are provided at the lower end of the workbench (1), and the universal wheels (5) and workbench(1) A third spring (6) is installed between them.