Reliability experiment device

Abstract

The utility model belongs to the field of reliability experiments, particularly relates to a reliability experiment device, and provides the following scheme aiming at the problems that when the existing reliability experiment device is used, a roller is generally used for pressing a conveying roller, the pressing position cannot be adjusted, and the use flexibility is poorer, the reliability experiment device comprises a test box, first sliding ways are formed in the two sides of the test box, a sliding frame is slidably connected between the two first sliding ways, a penetrating driving shaft is rotatably connected between the two sides of the sliding frame, a middle pressing roller is fixedly connected to the circumference of the driving shaft, a penetrating second sliding way is formed in the top of the sliding frame, and two positioning frames are slidably connected into the second sliding way. According to the device, different positions of a to-be-tested product can be conveniently experimented, the experiment flexibility is improved, the surface of the to-be-tested product can be cleaned by using the bristle plate, and the device is prevented from being damaged by adhered impurities.

Description

Technical Field

[0001] The utility model relates to the technical field of reliability experiments, in particular to a reliability experiment device. Background Art

[0002] Reliability test refers to the test to determine and verify the reliability of the product. The study finds out the weak links of the product under limited samples, time and use costs. Reliability test is a general term for various tests conducted to understand, evaluate, analyze and improve the reliability of the product. The conveyor roller used in the conveyor belt also needs to undergo reliability test before use to ensure the safety of the product during use. However, the existing reliability test device usually uses a roller to press the conveyor roller during use, and the pressing position cannot be adjusted, which has poor flexibility. Therefore, a reliability test device is proposed. Utility Model Content

[0003] The utility model aims to solve the shortcomings of the reliability experiment device in the prior art that, when in use, one roller is usually used to press the conveying roller, the pressing position cannot be adjusted, and the flexibility of use is poor, and a reliability experiment device is proposed.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A reliability experiment device comprises a test box, wherein first slideways are provided on both sides of the test box, a slide frame is slidably connected between the two first slideways, a driving shaft is rotatably connected between the two sides of the slide frame, an intermediate pressure roller is fixedly connected to the circumference of the driving shaft, a second slideway is provided on the top of the slide frame, two positioning frames are slidably connected in the second slideway, a mounting sleeve is fixedly connected to the bottom of the positioning frame, an adjusting tube is rotatably connected to the circumference of the mounting sleeve, the adjusting tube is slidably connected to the driving shaft, and a top screw is threadedly connected to the top of the positioning frame;

[0006] A motor is fixedly connected to one side of the sliding frame, and one end of the motor output shaft is fixed to the driving shaft;

[0007] A support assembly is arranged at the bottom of the test box to support the product to be tested.

[0008] As a further solution of the utility model, the support assembly includes two adjustment seats, both of which are slidably connected to the bottom inner wall of the test box, and two support rollers are rotatably connected in the two adjustment seats.

[0009] As a further solution of the utility model, a bidirectional screw is rotatably connected between the two sides of the test box, and the bidirectional screw thread penetrates the two adjustment seats.

[0010] As a further solution of the utility model, two penetrating sliding rods are inserted into one side of the test box, a brush plate is fixedly connected between one ends of the two sliding rods, and a spring is fixedly connected between the brush plate and an inner wall of one side of the test box.

[0011] As a further solution of the utility model, a connecting frame is fixedly connected between the other ends of the sliding rod, and the connecting frame is U-shaped. Both ends of the sliding frame are fixedly connected with wedge plates, and the wedge plates are used in conjunction with the two ends of the connecting frame respectively.

[0012] As a further solution of the utility model, a cylinder is fixedly connected to the top of the test box, and one end of the cylinder piston rod is fixed to the sliding frame.

[0013] As a further solution of the utility model, one side of the sliding frame is provided with a scale line used in conjunction with the positioning frame.

[0014] In the present application, when in use, the product to be tested is placed on the support roller, and then the product to be tested is rotated to inspect the circumferential surface of the product to be tested, and at the same time, the surface of the product to be tested is cleaned with a brush plate to prevent adhering impurities from damaging the device. After the inspection is completed, the cylinder is started, and the cylinder pushes the sliding frame to move downward so that the middle pressure roller contacts the product to be tested, and then the motor is started, and the motor drives the middle pressure roller and the adjusting tube to rotate, and then the cylinder is pressurized to observe the changes in the product to be tested, and then the reliability of the product to be tested is detected. When the sliding frame moves downward, it drives the wedge plate to move downward, and the wedge plate pushes the connecting frame to one side to keep the brush plate away from the product to be tested, avoiding excessive wear on the brush plate during detection and increasing the service life of the brush plate. When the position of the adjusting tube needs to be adjusted, the top screw is loosened, and then the positioning frame is slid to adjust the position of the adjusting tube, which is convenient for experiments at different positions and improves the flexibility of the experiment. Rotating the bidirectional screw can adjust the position of the adjusting seat, so that the device can adapt to different products to be tested, further improving the flexibility of use.

[0015] In the utility model, the reliability test device is provided with a movable adjustment tube installed on the circumference of the driving shaft, so that the top screw is opened, and then the positioning frame is slid, and then the position of the adjustment tube is adjusted, so that it is convenient to test different positions of the product to be tested, and the flexibility of the experiment is improved;

[0016] In the utility model, the reliability test device is provided with a brush plate installed in the test box, so that the brush plate can be used to clean the surface of the product to be tested, thereby preventing the device from being damaged by adhering impurities.

[0017] In the utility model, by using the wedge plate and the connecting frame in coordination, when the wedge plate moves downward, the connecting frame can be pushed to one side, so that the brush plate is away from the product to be tested, thereby avoiding excessive wear on the brush plate during testing and increasing the service life of the brush plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of a three-dimensional structure from a first viewing angle of a reliability experiment device proposed by the utility model;

[0019] Figure 2 A schematic diagram of a three-dimensional structure from a second viewing angle of a reliability experiment device proposed by the utility model;

[0020] Figure 3 A cross-sectional structural schematic diagram of a reliability experiment device proposed by the utility model;

[0021] Figure 4 A reliability experiment device proposed by the utility model Figure 3 Schematic diagram of the enlarged structure at point A.

[0022] In the figure: 1. test box; 2. cylinder; 3. sliding frame; 4. adjustment seat; 5. support roller; 6. bidirectional screw; 7. motor; 8. wedge plate; 9. connecting frame; 10. sliding rod; 11. brush plate; 12. spring; 13. middle pressure roller; 14. scale line; 15. positioning frame; 16. mounting sleeve; 17. adjustment tube; 18. top screw; 19. drive shaft. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Example 1

[0025] Reference Figure 1-Figure 4A reliability experiment device comprises: a test box 1, a transparent protective door can be set on one side of the test box 1 to improve the safety of use, first slideways are provided on both sides of the test box 1, a sliding frame 3 is slidably connected between the two first slideways, a driving shaft 19 is rotatably connected between the two sides of the sliding frame 3, an intermediate pressure roller 13 is fixedly connected to the circumference of the driving shaft 19, a second slideway is provided on the top of the sliding frame 3, two positioning frames 15 are slidably connected in the second slideway, the bottom of the positioning frame 15 is fixedly connected with a mounting sleeve 16, the circumference of the mounting sleeve 16 is rotatably connected with an adjusting tube 17, the adjusting tube 17 is slidably connected to the driving shaft 19, the top of the positioning frame 15 is threadedly connected with a through top screw 18, the top screw 18 is loosened, and then the positioning frame 15 is slid, and then the position of the adjusting tube 17 is adjusted, so as to facilitate experiments at different positions and improve the flexibility of the experiment;

[0026] A motor 7 is fixedly connected to one side of the sliding frame 3, and one end of the output shaft of the motor 7 is fixed to the driving shaft 19. When the motor 7 is started, the motor 7 can drive the driving shaft 19 to rotate, thereby driving the intermediate pressure roller 13 and the adjusting tube 17 to rotate;

[0027] The supporting assembly is arranged at the bottom of the test box 1 to support the product to be tested.

[0028] Example 2

[0029] refer to Figure 1-Figure 4 , a reliability experiment device is improved on the basis of Example 1,

[0030] Reference Figure 3 The support assembly includes two adjustment seats 4, both of which are slidably connected to the bottom inner wall of the test box 1. Two support rollers 5 are rotatably connected to the two adjustment seats 4. The support rollers 5 are symmetrically arranged to facilitate supporting the product to be tested.

[0031] Reference Figure 3 A bidirectional screw 6 is rotatably connected between the two sides of the test box 1. The bidirectional screw 6 threads through the two adjustment seats 4. Rotating the bidirectional screw 6 can adjust the position of the adjustment seat 4, so that the device can adapt to different products to be tested, further improving the flexibility of use.

[0032] Reference Figure 3 Two penetrating slide bars 10 are inserted on one side of the test box 1, a brush plate 11 is fixedly connected between one end of the two slide bars 10, a spring 12 is fixedly connected between the brush plate 11 and an inner wall of one side of the test box 1, and the spring 12 is used to reset the brush plate 11.

[0033] Reference Figure 3A connecting frame 9 is fixedly connected between the other ends of the sliding rod 10, and the connecting frame 9 is U-shaped. Both ends of the sliding frame 3 are fixedly connected with wedge plates 8, and the wedge plates 8 are used in conjunction with the two ends of the connecting frame 9 respectively. The wedge plate 8 moves downward to push the connecting frame 9 to one side, so that the brush plate 11 is away from the product to be tested, avoiding excessive wear on the brush plate 11 during detection, thereby improving the service life of the brush plate 11 and the degree of automation of the device.

[0034] Reference Figure 1 The top of the test box 1 is fixedly connected with a cylinder 2, one end of the piston rod of the cylinder 2 is fixed to the sliding frame 3, and the cylinder 2 is used to drive the sliding frame 3 to move.

[0035] Reference Figure 3 One side of the sliding frame 3 is provided with a scale line 14 used in conjunction with the positioning frame 15, and the scale line 14 is used to facilitate people to observe the moving length of the positioning frame 15.

[0036] However, as is well known to those skilled in the art, the working principles and wiring methods of the cylinder 2 and the motor 7 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any optional selections according to their needs or convenience.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A reliability test device, comprising a test box (1), characterized in that: The test box (1) is provided with a first slideway on both sides, a slide frame (3) is slidably connected between the two first slideways, a driving shaft (19) is rotatably connected to the two sides of the slide frame (3), and an intermediate pressure roller (13) is fixedly connected to the circumference of the driving shaft (19), a second slideway is provided on the top of the slide frame (3), and two positioning frames (15) are slidably connected in the second slideway, the bottom of the positioning frame (15) is fixedly connected to a mounting sleeve (16), the circumference of the mounting sleeve (16) is rotatably connected to an adjusting tube (17), the adjusting tube (17) is slidably connected to the driving shaft (19), and the top of the positioning frame (15) is threadedly connected to a through top screw (18); A motor (7) is fixedly connected to one side of the sliding frame (3), and one end of the output shaft of the motor (7) is fixed to the driving shaft (19); A support assembly is arranged at the bottom of the test box (1) to support the product to be tested.

2. A reliability test device according to claim 1, characterized in that: The support assembly comprises two adjustment seats (4), both of which are slidably connected to the bottom inner wall of the test box (1), and two support rollers (5) are rotatably connected inside the two adjustment seats (4).

3. A reliability test device according to claim 2, characterized in that: A bidirectional screw rod (6) is rotatably connected between the two sides of the test box (1), and the bidirectional screw rod (6) is threadedly connected through the two adjustment seats (4).

4. A reliability test device according to claim 1, characterized in that: Two penetrating slide bars (10) are inserted into one side of the test box (1), a brush plate (11) is fixedly connected between one end of the two slide bars (10), and a spring (12) is fixedly connected between the brush plate (11) and an inner wall of one side of the test box (1).

5. A reliability test device according to claim 4, characterized in that: A connecting frame (9) is fixedly connected to the other end of the sliding rod (10), and the connecting frame (9) is U-shaped. Both ends of the sliding frame (3) are fixedly connected to wedge plates (8), and the wedge plates (8) are used in conjunction with the two ends of the connecting frame (9) respectively.

6. A reliability test device according to claim 1, characterized in that: The top of the test box (1) is fixedly connected to a cylinder (2), and one end of a piston rod of the cylinder (2) is fixed to a sliding frame (3).

7. A reliability test device according to claim 1, characterized in that: One side of the sliding frame (3) is provided with a scale mark (14) for use with the positioning frame (15).

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