A camshaft testing device for new energy vehicles

Abstract

The application discloses a camshaft testing device for new energy vehicles, which comprises a base, a mounting frame fixedly connected to the base, two limiting frames symmetrically mounted on the mounting frame, a fixing frame fixedly connected to the two limiting frames, a first motor and a speed reducer fixedly connected to the fixing frame, a connecting and clamping mechanism mounted on the output end of the speed reducer, a mounting seat fixedly connected to the mounting frame, a first reciprocating screw and a second reciprocating screw horizontally mounted in the mounting seat, a body mounted on the side wall of the mounting seat, one end of the first reciprocating screw and the second reciprocating screw extending into the body and being connected through a gear transmission assembly, and a second motor mounted on the side wall of the body. The camshaft testing device can highly realistically simulate various working conditions of the camshaft of the new energy vehicle in actual work, comprehensively detect the performance of the camshaft, and adapt to camshafts of different sizes.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile camshaft detection, and particularly relates to a new energy automobile camshaft testing device. BACKGROUND

[0002] With the rapid development of new energy vehicles, as one of the key components of automobile engines, the performance and quality of camshafts directly affect the working efficiency and reliability of engines. In new energy vehicles, camshafts need to operate under more complex working conditions, and higher requirements are put forward for their precision, strength and durability.

[0003] At present, the traditional camshaft detection device and test method have some shortcomings. On the one hand, some detection devices have complex structure and are inconvenient to operate, and it is difficult to meet the needs of rapid detection and accurate measurement of new energy automobile camshafts. On the other hand, the existing test device has single function and cannot comprehensively simulate various working conditions of camshafts in actual work, so it is difficult to accurately evaluate the performance and reliability of camshafts. In addition, different couplings need to be matched to adapt to camshafts of different diameters during the camshaft detection test process, and the installation process is complicated, time-consuming, and different types of couplings need to be provided.

[0004] Therefore, we propose a new energy automobile camshaft testing device to solve the above problems. SUMMARY

[0005] The present application relates to the technical field of automobile camshaft detection, and particularly relates to a new energy automobile camshaft testing device.

[0006] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows:

[0007] A new energy automobile camshaft testing device, comprising a base, the base is fixedly connected with a mounting frame, two limiting frames are symmetrically installed on the mounting frame, and a fixing frame is fixedly connected with the two limiting frames, a first motor and a speed reducer are fixedly connected to the fixing frame, the output end of the first motor extends into the speed reducer and is connected with the input end of the speed reducer, and a connecting and clamping mechanism is installed on the output end of the speed reducer;

[0008] A mounting seat is fixedly connected to the mounting frame, a first reciprocating screw and a second reciprocating screw are horizontally installed in the mounting seat, a machine body is installed on the side wall of the mounting seat, one end of each of the first reciprocating screw and the second reciprocating screw extends into the machine body and is connected through a gear transmission assembly, a second motor is installed on the side wall of the machine body, and the output end of the second motor is connected with the first reciprocating screw through a first one-way bearing.

[0009] The first reciprocating screw is matched with a loading mechanism, the loading mechanism and the connecting and clamping mechanism are jointly provided with a camshaft, the second reciprocating screw is matched with a detection mechanism, and the camshaft is located in the detection mechanism.

[0010] In the new energy automobile camshaft test device, the gear transmission assembly comprises a first gear and a second gear, the first gear is installed on the first reciprocating screw, the second gear is installed on the second reciprocating screw, and the first gear and the second gear are engaged, and the second gear and the second reciprocating screw are connected through a second one-way bearing.

[0011] In the new energy automobile camshaft test device, the connecting and clamping mechanism comprises a limiting cylinder, the limiting cylinder is fixedly connected to the output shaft of the speed reducer, a circular hole and a mounting cavity are formed in the limiting cylinder, a limiting disc is fixedly connected to the inner side wall of the mounting cavity, a movable frame is mounted on the limiting disc, a fixed seat is rotatably connected to the limiting disc, a movable seat is rotatably connected to the movable frame, a threaded rod is mounted on the fixed seat and is in threaded connection with the movable seat, and one end of the threaded rod penetrates through the limiting cylinder and is fixedly connected with a knob.

[0012] A plurality of rotating frames are symmetrically rotatably connected to the limiting disc.

[0013] In the new energy automobile camshaft test device, a limiting ring groove is formed in the outer side wall of the movable frame, and the limiting disc is clamped in the limiting ring groove.

[0014] In the new energy automobile camshaft test device, a through hole is formed in the movable frame, a plurality of mounting holes are symmetrically formed in the movable frame, each rotating frame extends into the through hole through the mounting hole, and the clamping seat is located in the through hole, and a limiting sleeve is rotatably connected to the inner wall of each mounting hole, and the rotating frame is slidably connected in the limiting sleeve corresponding in position.

[0015] In the new energy automobile camshaft test device, a pushing block is fixedly connected to the side wall of the movable frame, and the movable seat is rotatably connected to the pushing block.

[0016] In the new energy automobile camshaft test device, the loading mechanism comprises a T-shaped frame, the two ends of the T-shaped frame are slidably connected to the limiting frames corresponding in position, the T-shaped frame is matched and connected to the first reciprocating screw, and a loading seat is fixedly connected to the T-shaped frame.

[0017] In the new energy automobile camshaft test device, a limiting sliding groove is formed in each limiting frame, and the two ends of the T-shaped frame are fixedly connected with first sliding blocks, and each first sliding block is slidably connected in the limiting sliding groove corresponding in position.

[0018] In the new energy automobile camshaft test device, the detection mechanism comprises a moving plate, and the two ends of the moving plate are slidably connected in the position corresponding limiting sliding groove, the lower end of the moving plate is fixedly connected with a moving seat, and the moving seat is connected with the second reciprocating screw, a U-shaped frame is installed on the moving plate, and a detector is installed in the U-shaped frame.

[0019] In the new energy automobile camshaft test device, the two ends of the moving plate are fixedly connected with a second sliding block, and each second sliding block is slidably connected in the position corresponding limiting sliding groove.

[0020] Compared with the prior art, the beneficial effects of the present application are:

[0021] 1. The threaded rod is adjusted by the knob, which can drive the movable frame to move, so that the plurality of clamping seats tightly clamp one end of the camshaft, the connection is stable and the operation is convenient, which can adapt to camshafts of different sizes, and the limiting ring groove, the limiting sleeve and other structures effectively ensure the stability and accuracy of the movement of each component.

[0022] 2. The meshing of the first gear and the second gear and the action of the one-way bearing realize the specific direction transmission control of the second motor on the first reciprocating screw and the second reciprocating screw, greatly improving the operation flexibility and controllability of the device.

[0023] 3. The T-shaped frame can stably move under the cooperation of the first reciprocating screw and the limiting frame, so that the loading seat accurately applies load to the camshaft, and the accuracy of load application in the test process is effectively ensured.

[0024] 4. The moving plate moves stably under the joint action of the second reciprocating screw and the limiting sliding groove, drives the detector on the U-shaped frame to detect the camshaft, and effectively improves the accuracy and stability of detection.

[0025] In summary, the present application can highly realistically simulate various working conditions of the new energy automobile camshaft in actual work, comprehensively detect the performance of the camshaft, and adapt to camshafts of different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A structure diagram of a new energy automobile camshaft test device is provided in the present application;

[0027] Figure 2 A structure diagram of a new energy automobile camshaft test device is provided in the present application; Figure 1 A structure diagram of a new energy automobile camshaft test device is provided in the present application;

[0028] Figure 3 A structure diagram of a new energy automobile camshaft test device is provided in the present application;

[0029] Figure 4 It is a first gear part structure enlarged view of a new energy automobile camshaft test device proposed in the application;

[0030] Figure 5 It is a limiting cylinder part structure enlarged view of a new energy automobile camshaft test device proposed in the application;

[0031] Figure 6 It is Figure 5 Intuitive diagram in cross-section state;

[0032] Figure 7 It is Figure 5 Structure schematic diagram without limiting cylinder;

[0033] Figure 8 It is Figure 7 Intuitive diagram from another perspective.

[0034] In the figure: 1 base, 2 mounting frame, 3 limiting frame, 4 second motor, 5 mounting seat, 6 loading seat, 7 U-shaped frame, 8 detector, 9 speed reducer, 10 fixed frame, 11 first motor, 12 limiting sliding groove, 13 limiting cylinder, 14 second gear, 15 second reciprocating screw, 16 first reciprocating screw, 17 first gear, 18 T-shaped frame, 19 first sliding block, 20 moving plate, 21 movement seat, 22 second sliding block, 23 push block, 24 knob, 25 clamping seat, 26 threaded rod, 27 limiting disc, 28 moving seat, 29 fixed seat, 30 rotating frame, 31 movable frame, 32 limiting ring groove, 33 mounting hole, 34 machine body, 35 limiting sleeve. DETAILED DESCRIPTION

[0035] The following examples are for illustrative purposes only and are not intended to limit the scope of the application. Examples

[0036] With reference to Figures 1-8 A new energy automobile camshaft test device, comprising a base 1, the base 1 is fixedly connected with a mounting frame 2, two limiting frames 3 are symmetrically installed on the mounting frame 2, the limiting frames 3 limit the T-shaped frame 18 and the moving plate 20, ensuring that the loading mechanism and the detection mechanism move stably on the specified path, improving the precision and reliability of the test, the two limiting frames 3 are fixedly connected with a fixed frame 10, the fixed frame 10 is fixedly connected with a first motor 11 and a speed reducer 9, and the output end of the first motor 11 extends into the speed reducer 9 and is connected with the input end of the speed reducer 9, the first motor 11 provides power for the rotation of the camshaft, and the speed is adjusted through the speed reducer 9, so that the camshaft can run at a suitable speed to simulate the working condition in actual work.

[0037] The output end of the speed reducer 9 is provided with a connecting clamping mechanism, the connecting clamping mechanism comprises a limiting cylinder 13, the limiting cylinder 13 is fixedly connected on the output shaft of the speed reducer 9, a circular hole and a mounting cavity are formed in the limiting cylinder 13, a limiting disc 27 is fixedly connected on the inner side wall of the mounting cavity, a movable frame 31 is mounted on the limiting disc 27, a limiting ring groove 32 is formed in the outer side wall of the movable frame 31, and the limiting disc 27 is clamped in the limiting ring groove 32, a fixing seat 29 is rotatably connected on the limiting disc 27, a moving seat 28 is rotatably connected on the movable frame 31, a pushing block 23 is fixedly connected on the side wall of the movable frame 31, and the moving seat 28 is rotatably connected on the pushing block 23, a threaded rod 26 is mounted on the fixing seat 29, and the threaded rod 26 is threadedly connected with the moving seat 28, one end of the threaded rod 26 penetrates through the limiting cylinder 13 and is fixedly connected with a knob 24, a plurality of rotating frames 30 are rotatably connected on the limiting disc 27 in a symmetrical manner, a clamping seat 25 is rotatably connected on each rotating frame 30, anti-skid lines are formed on the outer surface of the clamping seat 25, so that the friction between the clamping seat 25 and the camshaft is increased, a through hole is formed in the movable frame 31, a plurality of mounting holes 33 are formed in the movable frame 31 in a symmetrical manner, each rotating frame 30 extends into the through hole through the mounting hole 33, and the clamping seat 25 is located in the through hole, a limiting sleeve 35 is rotatably connected on the inner wall of each mounting hole 33, and the rotating frame 30 is slidably connected in the limiting sleeve 35 corresponding in position, these components work cooperatively, so that the camshaft can be conveniently clamped and loosened, different sizes of camshafts can be adapted, the universality of the device is improved, meanwhile, it is ensured that the camshaft will not be loosened in the test process, and the accuracy of the test is ensured.

[0038] The mounting seat 5 is fixedly connected on the mounting frame 2, the first reciprocating screw 16 and the second reciprocating screw 15 are horizontally mounted in the mounting seat 5, the organism 34 is mounted on the side wall of the mounting seat 5, one end of the first reciprocating screw 16 and the second reciprocating screw 15 extends into the organism 34 and is connected through the gear transmission assembly, the second motor 4 is mounted on the side wall of the organism 34, the output end of the second motor 4 is connected with the first reciprocating screw 16 through the first one-way bearing, the gear transmission assembly comprises the first gear 17 and the second gear 14, the first gear 17 is mounted on the first reciprocating screw 16, the second gear 14 is mounted on the second reciprocating screw 15, and the first gear 17 and the second gear 14 are engaged, and the second gear 14 is connected with the second reciprocating screw 15 through the second one-way bearing;

[0039] The loading mechanism is installed on the first reciprocating screw 16 in a matching mode, a camshaft is installed between the loading mechanism and the connecting and clamping mechanism, the loading mechanism comprises a T-shaped frame 18, two ends of the T-shaped frame 18 are respectively connected to the position corresponding limiting frame 3 in a sliding mode, the T-shaped frame 18 is connected to the first reciprocating screw 16 in a matching mode, the T-shaped frame 18 is fixedly connected with a loading seat 6, each limiting frame 3 is provided with a limiting sliding slot 12, both ends of the T-shaped frame 18 are fixedly connected with a first sliding block 19, and each first sliding block 19 is connected to the position corresponding limiting sliding slot 12 in a sliding mode.

[0040] The detection mechanism is installed on the second reciprocating screw 15 in a matching mode, and the camshaft is located in the detection mechanism, the detection mechanism comprises a moving plate 20, both ends of the moving plate 20 are connected to the position corresponding limiting sliding slot 12 in a sliding mode, the lower end of the moving plate 20 is fixedly connected with a moving seat 21, the moving seat 21 is connected to the second reciprocating screw 15 in a matching mode, both ends of the moving plate 20 are fixedly connected with a second sliding block 22, and each second sliding block 22 is connected to the position corresponding limiting sliding slot 12 in a sliding mode, the moving plate 20 is installed with a U-shaped frame 7, the U-shaped frame 7 is installed with a detector 8, the detector 8 can be a camshaft detector, a profile gauge, a hardness detector or a flaw detector, the U-shaped frame 7 provides a stable installation position for the detector 8, and the detector 8 can accurately detect various parameters of the camshaft and provide reliable data support for quality evaluation of the camshaft.

[0041] Firstly, the camshaft is installed, one end of the camshaft is inserted into the circular hole and the through hole, then the threaded rod 26 is rotated by rotating the knob 24, thereby driving the moving seat 28 to move, the moving seat 28 drives the movable frame 31 to rotate through the pushing block 23 during the moving process, the clamping seat 25 is moved through the cooperation of the movable frame 31 and the rotating frame 30, so that one end of the camshaft is clamped and fixed, then the second motor 4 is turned on, the second motor 4 is rotated in a forward direction, the second motor 4 drives the first reciprocating screw 16 to rotate, drives the T-shaped frame 18 to move towards the camshaft, until the other end of the camshaft is fixed by the loading seat 6, so as to realize the installation of the camshaft.

[0042] When the camshaft is detected, when the second motor 4 rotates forward, the first one-way bearing works to drive the first reciprocating screw 16 to rotate, and the first gear 17 on the first reciprocating screw 16 drives the second gear 14 to rotate through gear meshing, but the second reciprocating screw 15 does not rotate due to the arrangement of the second one-way bearing. Conversely, when the second motor 4 reverses, the first one-way bearing and the first gear 17 rotate, but the first reciprocating screw 16 does not rotate due to the arrangement of the first one-way bearing, and the first gear 17 drives the second reciprocating screw 15 to rotate through gear meshing, that is, the second motor 4 rotates forward to drive the first reciprocating screw 16 to rotate to move the loading mechanism, and the second motor 4 reverses to drive the second reciprocating screw 15 to rotate to move the detection mechanism.

[0043] The loading mechanism includes a T-shaped frame 18, and the two ends of the T-shaped frame 18 are respectively slidably connected to the position corresponding limiting frame 3. Each limiting frame 3 is provided with a limiting sliding groove 12, and the two ends of the T-shaped frame 18 are fixedly connected with a first sliding block 19, and each first sliding block 19 is slidably connected in the position corresponding limiting sliding groove 12, so as to ensure that the T-shaped frame 18 stably slides. The T-shaped frame 18 is connected to the first reciprocating screw 16, and when the second motor 4 drives the first reciprocating screw 16 to rotate, the T-shaped frame 18 can move on the first reciprocating screw 16. The T-shaped frame 18 is fixedly connected with a loading seat 6, and the loading seat 6 can exert a certain load on the camshaft.

[0044] The detection mechanism includes a moving plate 20, and the two ends of the moving plate 20 are slidably connected in the position corresponding limiting sliding groove 12. The two ends of the moving plate 20 are fixedly connected with a second sliding block 22, and each second sliding block 22 is slidably connected in the position corresponding limiting sliding groove 12, so as to ensure that the moving plate 20 stably slides. The lower end of the moving plate 20 is fixedly connected with a moving seat 21, and the moving seat 21 is connected to the second reciprocating screw 15. When the second motor 4 reverses, the second reciprocating screw 15 rotates, the moving seat 21 drives the moving plate 20 to move, and the moving plate 20 is provided with a U-shaped frame 7. Two detectors 8 are symmetrically installed on the U-shaped frame 7, and the detectors 8 can detect the camshaft.

[0045] Start the first motor 11 to drive the connecting card mechanism to rotate through the speed reducer 9, so that the camshaft rotates. At the same time, start the second motor 4 to rotate forward or reversely according to the need, drive the first reciprocating screw 16 and the second reciprocating screw 15 to rotate through the one-way bearing and the gear transmission assembly, drive the loading mechanism to move to exert a load on the camshaft, drive the detection mechanism to move, and the detector 8 detects the camshaft, so as to realize the comprehensive test of the camshaft of the new energy automobile.

[0046] The above merely describes preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical solution and inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A camshaft testing device for new energy vehicles, comprising a base (1), characterized in that: The base (1) is fixedly connected with a mounting rack (2), two limiting racks (3) are symmetrically mounted on the mounting rack (2), and a fixing rack (10) is fixedly connected to the two limiting racks (3); a first motor (11) and a speed reducer (9) are fixedly connected to the fixing rack (10), the output end of the first motor (11) extends into the speed reducer (9) and is connected with the input end of the speed reducer (9), and a connecting clamping mechanism is mounted on the output end of the speed reducer (9); The connecting clamping mechanism comprises a limiting cylinder (13) fixedly connected to the output shaft of the speed reducer (9), a circular hole and a mounting cavity are formed in the limiting cylinder (13), a limiting disc (27) is fixedly connected to the inner side wall of the mounting cavity, an activity rack (31) is mounted on the limiting disc (27), a limiting ring groove (32) is formed in the outer side wall of the activity rack (31), the limiting disc (27) is clamped in the limiting ring groove (32), a fixing seat (29) is rotatably connected to the limiting disc (27), a moving seat (28) is rotatably connected to the activity rack (31), a pushing block (23) is fixedly connected to the side wall of the activity rack (31), the moving seat (28) is rotatably connected to the pushing block (23), a threaded rod (26) is mounted on the fixing seat (29) and is threadedly connected with the moving seat (28), one end of the threaded rod (26) penetrates through the limiting cylinder (13) and is fixedly connected with a knob (24); a plurality of rotating racks (30) are symmetrically rotatably connected to the limiting disc (27), and a clamping seat (25) is rotatably connected to each rotating rack (30); A through hole is formed in the activity rack (31), a plurality of mounting holes (33) are symmetrically formed in the activity rack (31), each rotating rack (30) extends into the through hole through the mounting hole (33), and the clamping seat (25) is located in the through hole, and a limiting sleeve (35) is rotatably connected to the inner wall of each mounting hole (33), and the rotating rack (30) is slidably connected in the corresponding limiting sleeve (35); A mounting seat (5) is fixedly connected to the mounting rack (2), a first reciprocating screw (16) and a second reciprocating screw (15) are horizontally mounted in the mounting seat (5), a machine body (34) is mounted on the side wall of the mounting seat (5), one end of each of the first reciprocating screw (16) and the second reciprocating screw (15) extends into the machine body (34) and is connected through a gear transmission assembly, and a second motor (4) is mounted on the side wall of the machine body (34), and the output end of the second motor (4) is connected with the first reciprocating screw (16) through a first one-way bearing; A loading mechanism is mounted on the first reciprocating screw (16), a camshaft is mounted between the loading mechanism and the connecting clamping mechanism, and a detection mechanism is mounted on the second reciprocating screw (15), and the camshaft is located in the detection mechanism.

2. The camshaft testing device for new energy vehicles according to claim 1, characterized in that: The gear transmission assembly comprises a first gear (17) and a second gear (14), the first gear (17) is installed on the first reciprocating screw (16), the second gear (14) is installed on the second reciprocating screw (15), the first gear (17) and the second gear (14) are engaged, and the second gear (14) is connected with the second reciprocating screw (15) through a second one-way bearing.

3. The camshaft testing device for new energy vehicles according to claim 1, characterized in that: The loading mechanism comprises a T-shaped frame (18), both ends of the T-shaped frame (18) are slidably connected to the position corresponding limiting frames (3) respectively, and the T-shaped frame (18) is connected to the first reciprocating screw (16) in a matched mode, and the T-shaped frame (18) is fixedly connected with a loading seat (6).

4. The camshaft testing device for new energy vehicles according to claim 3, characterized in that: Each of the limiting frames (3) is provided with a limiting sliding slot (12), both ends of the T-shaped frame (18) are fixedly connected with first sliding blocks (19), and each of the first sliding blocks (19) is slidably connected to the position corresponding limiting sliding slot (12).

5. The camshaft testing device for new energy vehicles according to claim 4, characterized in that: The detection mechanism comprises a moving plate (20), both ends of the moving plate (20) are slidably connected to the position corresponding limiting sliding slots (12), the lower end of the moving plate (20) is fixedly connected with a moving seat (21), the moving seat (21) is connected to the second reciprocating screw (15) in a matched mode, the moving plate (20) is provided with a U-shaped frame (7), and the U-shaped frame (7) is provided with a detector (8).

6. The camshaft testing device for new energy vehicles according to claim 5, characterized in that: Both ends of the moving plate (20) are fixedly connected with second sliding blocks (22), and each of the second sliding blocks (22) is slidably connected to the position corresponding limiting sliding slot (12).

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