CN119044768B

CN119044768B - A dynamic test device for automobile motor performance

Info

Publication number: CN119044768B
Application number: CN202411556807.3A
Authority: CN
Inventors: 水林锋; 钱春风; 石爱琴; 叶海波
Original assignee: Nantong Hengxiang Electromechanical Equipment Co ltd
Current assignee: Nantong Hengxiang Electromechanical Equipment Co ltd
Priority date: 2024-11-04
Filing date: 2024-11-04
Publication date: 2025-06-20
Anticipated expiration: 2044-11-04
Also published as: CN120405409A; CN119044768A

Abstract

The invention discloses an automobile motor performance dynamic testing device which comprises a base, a fixing mechanism, a shaking mechanism, a connecting mechanism and a humidifying mechanism, wherein performance detecting equipment is fixedly connected to the base, a sliding groove is formed in the base, a scene simulation box is slidably connected to the sliding groove, the fixing mechanism is used for carrying out installation testing on a motor to be tested, the shaking mechanism is used for shaking the fixing mechanism, the performance stability of the motor under the shaking condition is simulated, the connecting mechanism is used for transmitting motor output end rotation data in the shaking process to the input end of the performance detecting equipment, the humidifying mechanism is used for carrying out humidification simulation on the scene simulation box in a linkage mode when the shaking mechanism operates, and the automobile motor performance dynamic testing device solves the problems that the performance of the motor in the shaking process is difficult to detect and the service life of the equipment is influenced when the traditional automobile motor performance dynamic testing device is used and is convenient for people to use.

Description

Automobile motor performance dynamic testing device

Technical Field

The invention relates to the technical field of motor performance test, in particular to a dynamic test device for motor performance of an automobile.

Background

Along with the increasing popularization range of new energy automobiles, the use environment of the new energy automobiles is also increasingly complex, the automobiles work in severe environments such as high temperature, high humidity, high cold and the like, and the performance quality of the motors in the environments directly influences the safety, the dynamic performance and the economical efficiency of the whole automobile. For example, the problem of low-temperature abnormal sound of the motor directly affects the use satisfaction degree of users, the problem of high-temperature demagnetization of the motor can cause poor dynamic property of a vehicle, and the problem of insulation of the motor under a high-humidity working condition can directly affect the running safety of the vehicle. Therefore, each new energy automobile host factory and supplier invest a large amount of resources to carry out motor environment test.

The motor speed for the new energy automobile generally exceeds 10000 rpm, the torque is above 200 Nm, and the high-speed high-dynamic operation working condition provides higher requirements for an environment test system, so that the environment condition is provided for the motor, and the higher centering accuracy of the motor is ensured. Therefore, development of a vehicle motor rapid environment testing system with high centering precision, high replacement speed, good sealing performance and bearing environment adaptability becomes necessary.

Some existing dynamic testing devices for motor performance of an automobile have the working performance of a motor under severe environments such as high temperature, high humidity, high cold and the like, but frequent shake can also affect the performance of the motor on some bumpy road sections, especially the shock absorption effect of some low-end vehicles is poor, the long-term shake of the motor can cause the reduction of the service life of the motor, and the existing testing device rarely has the aspect and needs to shake the testing device together, so that the service life of the device is prolonged. Therefore, we propose a dynamic testing device for the performance of the motor of the automobile.

Disclosure of Invention

The invention aims to provide a dynamic testing device for testing motor performance of an automobile, which is convenient for testing motor performance in a shaking process, so as to solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme is that the dynamic testing device for the performance of the automobile motor comprises a base, a fixing mechanism, a shaking mechanism, a connecting mechanism and a humidifying mechanism, wherein performance detecting equipment is fixedly connected to the base, a mounting frame is fixedly connected to the base, a sliding groove is formed in the base, a scene simulation box is slidably connected to the sliding groove, the fixing mechanism is mounted on the base and used for carrying out mounting test on a motor to be tested, the shaking mechanism is mounted on the base and used for shaking the fixing mechanism, performance stability of the motor under shaking condition is simulated, the connecting mechanism is mounted on the performance detecting equipment and used for transmitting motor output end rotation data in the shaking process to the input end of the performance detecting equipment, the humidifying mechanism is mounted in the scene simulation box and used for carrying out humidification simulation in the scene simulation box in a linkage mode when the shaking mechanism operates.

Preferably, the fixed establishment include fixed mounting in two first curb plates on the base, fixedly connected with first spring on the first curb plate, first spring fixedly connected with base sliding connection rocks the piece, the top fixedly connected with second spring that rocks the piece, fixedly connected with mounting panel on the second spring, rock the both sides fixedly connected with of piece with mounting panel sliding connection's second curb plate, sliding connection has the sliding block on the mounting panel, be equipped with on the sliding block and be used for carrying out spacing locating part to the sliding block position, be convenient for fix the motor of taking the test on equipment and detect.

Preferably, the connecting mechanism comprises a first gear column fixedly connected with the output end of the motor to be tested, a first disc is inserted into the first gear column, a first gear groove is formed in the first disc, a fixing frame is fixedly connected to the base, a first circular ring is fixedly connected to the fixing frame, a transmission part for transmission is arranged on the first circular ring, and the output end power of the motor in the shaking process is conveniently and stably transmitted to the input end of the performance detection equipment fixed on the base.

Preferably, the transmission piece includes fixed mounting in multiunit third spring of first ring inner wall fixed connection, multiunit third spring fixedly connected with second ring, the inner wall of second ring rotates and is connected with the second disc, second gear groove has been seted up in the second disc, the input fixedly connected with first gear of performance detection equipment, the coaxial fixedly connected with second gear of second disc.

Preferably, the shake mechanism includes fixed mounting in motor frame in the scene simulation case, fixed mounting has the motor in the motor frame, the output fixedly connected with second gear post of motor, rotate on the mounting bracket and be connected with the internal gear pipe that pegs graft mutually with the second gear post, fixedly connected with multiunit cam on the internal gear pipe, be equipped with first inclined plane and second inclined plane on the piece of rocking, be convenient for drive the motor and carry out the shake of horizontal direction and vertical direction.

Preferably, the limiting piece comprises a stop block fixedly mounted on the sliding block, a fourth spring is fixedly connected to the stop block, the fourth spring is fixedly connected with a plug block which is in sliding connection with the stop block, and a plurality of groups of helical tooth grooves which are plugged with the plug block are formed in the mounting plate, so that the motor is conveniently fixed.

Preferably, the humidifying mechanism comprises two water tanks fixedly installed in the scene simulation box, a plurality of groups of atomizing spray heads are arranged on the two water tanks, a one-way valve which is used for adding water to the water tanks and has a one-way air inlet function is connected to the scene simulation box in a threaded manner, and a humidifying piece which is used for spraying water by linkage of the atomizing spray heads when the installation plate shakes is arranged in the scene simulation box, so that simulation of a high-humidity environment in the scene simulation box is facilitated.

Preferably, the humidifying piece comprises a fifth spring fixedly installed in the scene simulation box, a pushing plate is fixedly connected to the fifth spring, a water spraying button is arranged on the water tank, third inclined planes which are in sliding connection with the water spraying button are formed at two ends of the pushing plate, and the shaking of the installation plate is convenient to drive the atomizing nozzle to spray water mist.

Preferably, the first disc, the second disc, the first gear and the second gear are made of high-strength impact-resistant alloy materials, so that the device is more durable, and the service life of the device is prolonged.

Compared with the prior art, the invention has the beneficial effects that:

The invention solves the problems that the performance of the motor in the shaking process is difficult to detect and the service life is influenced by equipment shaking when the traditional dynamic testing device for the motor performance of the automobile is used, the device is convenient to test the performance of the motor in the shaking process by arranging the shaking mechanism and the connecting mechanism, meanwhile, the shaking motor output end can be stably transmitted to the performance detecting equipment input end fixed on the base in a rotating way, and the device is convenient to trigger the operation of the humidifying mechanism by using the continuous shaking amplitude when the shaking mechanism works by arranging the humidifying mechanism, so that the humidifying mechanism can continuously humidify the motor to detect the performance of the motor under the high-humidity condition.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the present invention;

FIG. 3 is a schematic view of a part of the structure of the connecting mechanism of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 3;

fig. 5 is a schematic view of a partial structure of a humidifying mechanism according to the present invention;

FIG. 6 is an enlarged view of area B of FIG. 5;

FIG. 7 is an enlarged view of region C of FIG. 5;

FIG. 8 is a schematic diagram of a part of the structure of the dithering mechanism of the present invention;

FIG. 9 is a schematic view of a part of the structure of the fixing mechanism of the present invention;

Fig. 10 is an enlarged view of region D in fig. 9.

The device comprises a 1-base, a 2-performance detection device, a 3-mounting rack, a 4-sliding groove, a 5-scene simulation box, a 6-fixing mechanism, a 7-shaking mechanism, an 8-connecting mechanism, a 9-humidifying mechanism, a 10-first side plate, a 11-first spring, a 12-shaking block, a 13-second spring, a 14-mounting plate, a 15-second side plate, a 16-sliding block, a 17-limiting piece, a 18-first gear column, a 19-first disc, a 20-first gear groove, a 21-fixing frame, a 22-first circular ring, a 23-third spring, a 24-second circular ring, a 25-second disc, a 26-second gear groove, a 27-first gear, a 28-second gear, a 29-electric frame, a 30-motor, a 31-second gear column, a 32-inner gear tube, a 33-cam, a 34-first inclined plane, a 35-second inclined plane, a 36-blocking piece, a 37-fourth spring, a 38-inserting block, a 39-inclined groove, a 40-water tank, a 41-atomizing nozzle, a 42-second circular ring, a 25-second disc, a 26-second gear groove, a 27-first gear, a 28-first gear groove, a 28-second gear groove, a 28-inclined plane, a 45-and a 45-third spring, a 45-inclined plane and a 45-and a third spring.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Example 1

Referring to fig. 1-4, an automobile motor performance dynamic testing device in the illustration includes a base 1, a fixing mechanism 6, a shaking mechanism 7, a connecting mechanism 8 and a humidifying mechanism 9, wherein a performance detecting device 2 is fixedly connected to the base 1, a mounting frame 3 is fixedly connected to the base 1, a sliding chute 4 is formed in the base 1, a scene simulation box 5 is slidably connected to the sliding chute 4, the fixing mechanism 6 is mounted on the base 1 and used for carrying out mounting test on a motor to be tested, the shaking mechanism 7 is mounted on the base 1 and used for shaking the fixing mechanism 6, the performance stability of the motor under the shaking condition is simulated, the connecting mechanism 8 is mounted on the performance detecting device 2 and used for transmitting motor output end rotation data in the shaking process to an input end of the performance detecting device 2, and the humidifying mechanism 9 is mounted in the scene simulation box 5 and used for carrying out humidification simulation in the scene simulation box 5 in a linkage manner when the shaking mechanism 7 runs.

Referring to fig. 5-10, the fixing mechanism 6 in the drawings includes two first side plates 10 fixedly installed on the base 1, a first spring 11 is fixedly connected to the first side plates 10, a shaking block 12 slidably connected to the base 1 is fixedly connected to the first spring 11, a second spring 13 is fixedly connected to the top end of the shaking block 12, a mounting plate 14 is fixedly connected to the second spring 13, second side plates 15 slidably connected to the mounting plate 14 are fixedly connected to two sides of the shaking block 12, a sliding block 16 is slidably connected to the mounting plate 14, and a limiting member 17 for limiting the position of the sliding block 16 is arranged on the sliding block 16.

Referring to fig. 3-7, the connecting mechanism 8 in the drawings includes a first gear column 18 fixedly connected with an output end of a motor to be tested, the first gear column 18 is inserted with a first disc 19, a first gear groove 20 is formed in the first disc 19, a fixing frame 21 is fixedly connected to the base 1, a first ring 22 is fixedly connected to the fixing frame 21, and a transmission member 48 for transmission is arranged on the first ring 22.

Referring to fig. 3-7, the transmission member 48 in the drawings includes a plurality of sets of third springs 23 fixedly mounted on the inner wall of the first ring 22, the plurality of sets of third springs 23 are fixedly connected with the second ring 24, the inner wall of the second ring 24 is rotatably connected with the second disc 25, the second disc 25 is provided with a second gear groove 26, the input end of the performance detecting apparatus 2 is fixedly connected with the first gear 27, the second disc 25 is coaxially and fixedly connected with the second gear 28, and the first disc 19, the second disc 25, the first gear 27 and the second gear 28 are all made of high-strength impact-resistant alloy materials.

In this embodiment, the motor to be tested is placed on the mounting plate 14, the sliding block 16 clamps the motor, the sliding block 16 is fixed by the limiting piece 17, the first gear column 18 at the output end of the motor is fixedly inserted with the first disk 19, the scene simulation box 5 is closed, the motor is started, the shaking mechanism 7 is started at the same time, the shaking mechanism 7 drives the shaking block 12 to shake left and right and drives the mounting plate 14 to shake up and down, so that the motor can shake up and down, at the moment, the motor drives the first disk 19 to rotate the first disk 19 to drive the first gear groove 20 to rotate, the outer diameter of the second gear 28 is slightly smaller than the inner diameter of the first gear groove 20, the first disk 19 can shake a certain amplitude while the first gear groove 20 can continuously drive the second gear 28 to rotate, the second gear 28 is always driven by the first gear groove 20 to rotate, meanwhile, the second gear 28 drives the second disc 25 to rotate, the second disc 25 can rotate and simultaneously can shake by a certain amplitude under the action of the second ring 24 and the third spring 23, the second disc 25 rotates to drive the second gear groove 26 and the first gear 27 to rotate, the outer diameter of the first gear 27 is slightly smaller than the inner diameter of the second gear groove 26, the second gear groove 26 can continuously drive the first gear 27 to rotate and simultaneously, the second disc 25 can shake by a certain amplitude, thus the motor can stably transmit the rotation of the output end to the input end of the performance detection device 2 while continuously shaking, the performance detection device 2 can not shake, the long-term influence of shaking on the service life of the performance detection device 2 is avoided, meanwhile, the mounting plate 14 can drive the humidifying mechanism 9to continuously spray water mist in the scene simulation box 5 while shaking, and the high-humidity environment is simulated in a linkage way.

Example 2

Referring to fig. 5-10 for further explanation of embodiment 2, embodiment 1 is further explained by the embodiment, in which the shaking mechanism 7 includes a motor frame 29 fixedly installed in the scene simulation box 5, a motor 30 is fixedly installed on the motor frame 29, an output end of the motor 30 is fixedly connected with a second gear post 31, an internal gear tube 32 connected with the second gear post 31 in a plugging manner is rotatably connected on the mounting frame 3, a plurality of groups of cams 33 are fixedly connected on the internal gear tube 32, and a first inclined plane 34 and a second inclined plane 35 are provided on the shaking block 12.

Referring to fig. 9-10, the limiting member 17 in the drawings includes a stop block 36 fixedly mounted on the sliding block 16, a fourth spring 37 is fixedly connected to the stop block 36, a plug block 38 slidably connected to the stop block 36 is fixedly connected to the fourth spring 37, and a plurality of groups of helical tooth grooves 39 are formed in the mounting plate 14 and plug with the plug block 38.

In this embodiment, the model of the motor 30 is preferably YYHS-40, when the scene simulation box 5 is pulled and opened, the second gear column 31 is always inserted into the internal gear tube 32, so that the transmission of the motor 30 and the internal gear tube 32 is not disconnected, the motor 30 is started, the motor 30 drives the second gear column 31 to rotate, thereby driving the internal gear tube 32 to rotate, and driving the cam 33 to rotate, when the cam 33 impacts the bottom surface of the mounting plate 14, the mounting plate 14 is pushed to move upwards, the second spring 13 stretches, when the cam 33 continuously rotates and impacts the first inclined surface 34, the shaking block 12 is pushed to move and compress the first spring 11 on the side, then the cam 33 rotates and impacts the second inclined surface 35 to push the shaking block 12 to move and compress the first spring 11 on the side towards the other side, and then the cam 33 impacts the bottom surface of the mounting plate 14, so that horizontal and vertical shaking of the motor can be realized, and the shaking of the motor can be released by upwards stirring the plug-in block 38 to compress the fourth spring 37, and the plugging of the bevel gear groove 39 can be driven, and the shaking block 16 can be fixed to the motor, and the shaking block 16 can be prevented from shaking upwards when the upper end and lower ends of the motor are provided with a fixed ring (not shown).

Example 3

Referring to fig. 1-4, the device comprises a base 1, a fixing mechanism 6, a shaking mechanism 7, a connecting mechanism 8 and a humidifying mechanism 9, wherein a performance detecting device 2 is fixedly connected to the base 1, a mounting frame 3 is fixedly connected to the base 1, a sliding groove 4 is formed in the base 1, a scene simulation box 5 is slidably connected in the sliding groove 4, the fixing mechanism 6 is installed on the base 1 and used for carrying out installation test on a motor to be tested, the shaking mechanism 7 is installed on the base 1 and used for shaking the fixing mechanism 6, the performance stability of the motor under shaking condition is simulated, the connecting mechanism 8 is installed on the performance detecting device 2 and used for transmitting motor output end rotation data in the shaking process to an input end of the performance detecting device 2, and the humidifying mechanism 9 is installed in the scene simulation box 5 and used for carrying out humidification simulation on the scene simulation box 5 in a linkage mode when the shaking mechanism 7 operates.

Referring to fig. 5-7 for describing embodiment 3, embodiment 1 is further described, the humidifying mechanism 9 in the drawing includes two water tanks 40 fixedly installed in the scene simulation box 5, a plurality of groups of atomizing nozzles 41 are disposed on the two water tanks 40, a one-way valve 42 for adding water to the water tank 40 and having a one-way air intake function is screwed on the scene simulation box 5, and a humidifying member 43 for spraying water in linkage with the atomizing nozzles 41 when the mounting plate 14 shakes is disposed in the scene simulation box 5.

Referring to fig. 5-7, the humidifying member 43 in the drawing includes a fifth spring 44 fixedly installed in the scene simulation box 5, a pushing plate 45 is fixedly connected to the fifth spring 44, a water spraying button 46 is disposed on the water tank 40, and a third inclined plane 47 slidably connected with the water spraying button 46 is disposed at both ends of the pushing plate 45.

In this embodiment, the sliding scene simulates one side of the box 5 to the mounting frame 3, so that a relatively sealed environment is formed, the motor 30 is started to drive the mounting plate 14 to shake, the mounting plate 14 continuously pushes the pushing plate 45 to move up and down, when the pushing plate 45 moves up to compress the fifth spring 44, the third inclined plane 47 can stir the water spraying button 46 to spray water in the water tank 40 from the atomizing nozzle 41, at the moment, the one-way valve 42 can only enter air and not discharge air, the air pressure balance in the water tank 40 is ensured, the one-way valve 42 can be opened to add water into the water tank 40, the device is not driven by other motors, and only in the process of starting to drive the motors to shake by the motor 30, the water spraying button 46 is continuously triggered by the shaking force of the motors, so that energy is saved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A dynamic test device for motor performance of an automobile, comprising:

The device comprises a base (1), wherein performance detection equipment (2) is fixedly connected to the base (1), a mounting rack (3) is fixedly connected to the base (1), a sliding groove (4) is formed in the base (1), and a scene simulation box (5) is connected in the sliding groove (4) in a sliding mode;

Further comprises:

The fixing mechanism (6), the fixing mechanism (6) comprises a shaking block (12) which is connected with the base (1) in a sliding manner along the horizontal direction, a second spring (13) is fixedly connected to the top end of the shaking block (12), and a mounting plate (14) is fixedly connected to the upper end of the second spring (13) and used for fixing motors to be tested in different sizes on the mounting plate (14) for dynamic testing;

The shaking mechanism (7) comprises a plurality of groups of cams (33) arranged on the base (1), and the shaking mechanism (7) is used for carrying out impact shaking on the shaking block (12) through the cams (33), so that the motor to be tested carries out multidirectional shaking, and the performance stability of the motor under the shaking condition is simulated;

the connecting mechanism (8) is arranged on the performance detection equipment (2) and is used for transmitting motor output end rotation data in the shaking process to the input end of the performance detection equipment (2);

The humidifying mechanism (9), humidifying mechanism (9) including fixed mounting in two water tanks (40) in scene simulation case (5), be used for shaking mechanism (7) during operation linkage water tank (40) parallel water spray, to carry out the humidification simulation in scene simulation case (5), coupling mechanism (8) including with wait to test motor output fixed connection's first gear post (18), first gear post (18) peg graft first disc (19), first gear groove (20) have been seted up on first disc (19), fixed connection mount (21) on base (1), fixed connection has first ring (22) on mount (21), be equipped with on first ring (22) be used for carrying out dynamic transmission's driving medium (48), multiunit third spring (23) including fixed mounting in first ring (22) inner wall fixed connection's multiunit third spring (23) fixed connection second ring (24), second ring (24) have, second ring (25) inner wall fixed connection's second disc (25) have, second gear groove (25) have the second device of rotation (25), the utility model discloses a scene simulation box, including fixed mounting, shake mechanism (7) including fixed mounting in motor frame (29) in scene simulation box (5), fixed mounting has motor (30) on motor frame (29), the output fixedly connected with second gear post (31) of motor (30), rotate on mounting bracket (3) be connected with second gear post (31) looks grafting internal gear pipe (32), multiunit cam (33) all fixed mounting in on internal gear pipe (32), be equipped with first inclined plane (34) and second inclined plane (35) on rocking piece (12).

2. The dynamic testing device for the performance of the automobile motor according to claim 1, wherein the fixing mechanism (6) further comprises two first side plates (10) fixedly installed on the base (1), first springs (11) are fixedly connected to the first side plates (10), one ends of the first springs (11) are fixedly connected with the shaking blocks (12), second side plates (15) which are in sliding connection with the mounting plates (14) are fixedly connected to two sides of the shaking blocks (12), sliding blocks (16) are connected to the mounting plates (14) in a sliding manner in the horizontal direction, and limiting pieces (17) used for limiting are arranged on the sliding blocks (16).

3. The dynamic test device for the performance of the automobile motor according to claim 2, wherein the limiting piece (17) comprises a stop block (36) fixedly installed on the sliding block (16), a fourth spring (37) is fixedly connected to the stop block (36), a plug block (38) which is in sliding connection with the stop block (36) is fixedly connected to the fourth spring (37), and a plurality of groups of helical tooth grooves (39) which are plugged with the plug block (38) are formed in the mounting plate (14).

4. The dynamic testing device for the motor performance of the automobile according to claim 1, wherein the humidifying mechanism (9) comprises a plurality of groups of atomizing spray heads (41) which are respectively arranged on the water tanks (40) at two sides, a one-way valve (42) which is used for adding water to the water tanks (40) and has a one-way air inlet function is connected to the scene simulation box (5) in a threaded mode, and a humidifying piece (43) which is used for spraying water by linking the atomizing spray heads (41) when the mounting plate (14) shakes is arranged in the scene simulation box (5).

5. The dynamic testing device for the performance of the automobile motor according to claim 4, wherein the humidifying piece (43) comprises a fifth spring (44) fixedly installed in the scene simulation box (5), a pushing plate (45) is fixedly connected to the fifth spring (44), a water spraying button (46) is arranged on the water tank (40), and third inclined planes (47) in sliding connection with the water spraying button (46) are formed at two ends of the pushing plate (45).

6. The device for dynamically testing the performance of an automobile motor according to claim 1, wherein the first disc (19), the second disc (25), the first gear (27) and the second gear (28) are made of high-strength impact-resistant alloy materials.