CN213933043U

CN213933043U - Vibration test stand

Info

Publication number: CN213933043U
Application number: CN202023133681.9U
Authority: CN
Inventors: 顾叶锋; 吴蕴瑶; 俞李霞
Original assignee: Jiangsu Weikuo Testing Technology Service Co ltd
Current assignee: Jiangsu Weikuo Testing Technology Service Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-08-10
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a vibration test bench in the technical field of vibration tests, which comprises supporting legs, wherein the upper ends of the supporting legs are fixedly connected with a pedestal, the upper ends of the pedestal are fixedly connected with a first spring, the upper ends of the first spring are fixedly connected with a test bench, the lower ends of the test bench are fixedly connected with a second spring, a first spring selecting section is fixedly connected with a first connecting block, one side end of the first connecting block is fixedly connected with a first main shaft, the periphery of the first main shaft is fixedly connected with a second connecting block, and two side ends of the connecting block are fixedly connected with a swing box; a support rod is fixedly connected inside the pedestal, a transmission shaft is rotatably connected inside the support rod, a rotating disc is fixedly connected at the side end of the transmission shaft, an inclined rod is fixedly connected at the side end of the rotating disc, and a swinging block is fixedly connected with the circumferential surface of the inclined rod; the circumferential surface of the transmission shaft is fixedly connected with a belt pulley I; pedestal side passes through support fixedly connected with motor, and the inside rotation of motor is connected with main shaft two, the utility model discloses simple structure only needs simple operation alright in order to promote experimental effect.

Description

Vibration test stand

Technical Field

The utility model relates to a vibration test technical field specifically is a vibration test platform.

Background

The vibration test bed is used for simulating the environment of electrician, electronics, automobile parts and other products and goods related to transportation in the transportation process, is used for identifying the capability of the products of enduring environmental vibration, and is suitable for research, development, quality control and manufacture of various industries.

However, the existing vibration test bed is vertical to vibrate up and down, only a simple up-and-down vibration test can be carried out, and when a bump vibration test cannot be carried out, because the simulation environment of the vibration test is single, the test effect is poor, so that the article cannot obtain sufficient test data, and the article is easy to damage in subsequent transportation and operation.

Therefore, the utility model provides a vibration test bench to solve the problem of proposing among the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vibration test bench to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a vibration test bed comprises supporting legs, wherein a pedestal is fixedly connected to the upper ends of the supporting legs, a first spring is fixedly connected to the upper ends of the pedestal, a test bed is fixedly connected to the upper ends of the first springs, a second spring is fixedly connected to the lower ends of the test bed, a first connecting block is fixedly connected to a second spring section, a first main shaft is fixedly connected to one side end of the first connecting block, a second connecting block is fixedly connected to the circumferential surface of the first main shaft, and a swinging box is fixedly connected to the two sides of the first connecting block; a support rod is fixedly connected inside the pedestal, a transmission shaft is rotatably connected inside the support rod, a rotating disc is fixedly connected at the side end of the transmission shaft, an inclined rod is fixedly connected at the side end of the rotating disc, and a swinging block is fixedly connected with the circumferential surface of the inclined rod; the circumferential surface of the transmission shaft is fixedly connected with a first belt pulley; the side end of the pedestal is fixedly connected with a motor through a support, a second main shaft is rotatably connected inside the motor, the circumferential surface of the second main shaft is fixedly connected with a second belt pulley, and the second belt pulley is connected with the first belt pulley through a belt; and the second circumferential surface of the main shaft is fixedly connected with a flywheel.

As a further aspect of the present invention: the surface of the test bed is provided with fixing holes which are uniformly distributed, and when the test bed works, objects needing vibration tests are fixedly connected to the test bed through the fixing holes formed in the surface of the test bed.

As a further aspect of the present invention: the lower end of the test bed is fixedly connected with an impact block, and when the test bed works, the flywheel rotates and impacts the impact block at the lower end of the test bed, so that the flywheel is not directly contacted with the test bed, and the damage to the test bed is reduced.

As a further aspect of the present invention: the fixing rod is fixedly connected inside the pedestal, the fixing rod is rotatably connected inside the main shaft I, and the fixing rod can be used for fixing the main shaft inside and supporting force together during working.

As a further aspect of the present invention: motor side end fixedly connected with strengthening rib, strengthening rib side end fixedly connected with pedestal, the during operation, through the joint strength between connection reinforcing motor and the pedestal of strengthening rib, increase the stability of motor during operation.

As a further aspect of the present invention: the inclined rod is eccentrically connected with the rotating disc and has a certain angle, when the test bed works, the transmission shaft drives the rotating disc, the inclined rod and the swinging block fixed on the circumferential surface of the inclined rod to rotate, and under the action that the inclined rod is eccentrically connected with the rotating disc at a certain angle, the swinging box, the connecting block II, the main shaft I, the connecting block I and the spring II are driven to swing, so that the test bed vibrates, and a vibration test is performed.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

through the matching of a test bed, a fixed hole, a motor, a spindle II, a flywheel, an impact block, a pulley II, a belt, a pulley I, a transmission shaft, a rotating disc, an inclined rod, a swinging block, a swinging box, a connecting block II, a spindle I, a connecting block I, a spring II and a spring I, firstly, an article is placed on the test bed and is fixed on the test bed through the fixed hole, then the motor is started, the motor drives the flywheel to rotate through the spindle II and impacts the impact block at the lower end of the test bed to enable the test bed to vibrate up and down, meanwhile, the spindle II drives the transmission shaft to rotate through the pulley II, the belt and the pulley I, the transmission shaft drives the rotating disc with the side end fixedly connected with the rotating disc to rotate, the rotating disc drives the inclined rod which is eccentrically and fixedly connected with the rotating disc to rotate, the inclined rod drives the swinging block fixedly connected with the swinging block to rotate in the interior of the swinging box and enables the swinging box to swing up and down, the swinging box drives the spindle I to do incomplete circular motion through the connecting block II, the first main shaft drives the test bed to swing through the first connecting block and the second spring, and the swing is changed into vibration under the action of the first spring 3, so that the vibration test is performed on articles fixed on the test bed 4, the problem that the existing vibration test bed can only simulate the vertical vibration and can not be used for a simple vibration test and a jolt vibration test is solved, the environmental simulation of the vibration test is improved, the test effect is improved, and the practical service life of equipment is indirectly prolonged.

Drawings

FIG. 1 is a schematic view of the general structure of the present invention;

fig. 2 is a schematic structural view of a top view section of the present invention;

FIG. 3 is a schematic view of the structure A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the structure B in FIG. 2 according to the present invention;

fig. 5 is a schematic structural diagram of a front view section of the present invention.

In the figure: 1. a support leg; 2. a pedestal; 3. a first spring; 4. a test bed; 5. a second spring; 6. a first connecting block; 7. a first main shaft; 8. a second connecting block; 9. a swing box; 10. a strut; 11. a drive shaft; 12. rotating the disc; 13. a tilting rod; 14. swinging a block; 15. a first belt pulley; 16. a belt; 17. a motor; 18. a second main shaft; 19. a flywheel; 20. an impact block; 21. a support; 22. reinforcing ribs; 23. a fixing hole; 24. fixing the rod; 25. and a second belt pulley.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, in an embodiment of the present invention, a vibration test bed includes a supporting leg 1, a pedestal 2 is fixedly connected to an upper end of the supporting leg 1, a first spring 3 is fixedly connected to an upper end of the pedestal 2, a first test bed 4 is fixedly connected to an upper end of the first spring 3, a second spring 5 is fixedly connected to a lower end of the test bed 4, a first connecting block 6 is fixedly connected to a selected section of the second spring 5, a first main shaft 7 is fixedly connected to a side end of the first connecting block 6, a second connecting block 8 is fixedly connected to a circumferential surface of the first main shaft 7, and a swing box 9 is fixedly connected to a side end of the second connecting block 8; a supporting rod 10 is fixedly connected inside the pedestal 2, a transmission shaft 11 is rotatably connected inside the supporting rod 10, a rotating disc 12 is fixedly connected at the side end of the transmission shaft 11, an inclined rod 13 is fixedly connected at the side end of the rotating disc 12, and a swinging block 14 is fixedly connected with the circumferential surface of the inclined rod 13; a first belt pulley 15 is fixedly connected with the circumferential surface of the transmission shaft 11; the side end of the pedestal 2 is fixedly connected with a motor 17 through a bracket 21, the inside of the motor 17 is rotatably connected with a second main shaft 18, the circumferential surface of the second main shaft 18 is fixedly connected with a second belt pulley 25, and the second belt pulley 25 is connected with a first belt pulley 15 through a belt 16; the circumferential surface of the second main shaft 18 is fixedly connected with a flywheel 19.

Wherein, the surface of the test bed 4 is provided with fixing holes 23, and the fixing holes 23 are uniformly distributed, and when the test bed works, articles needing vibration test are fixedly connected on the test bed 4 through the fixing holes 23 arranged on the surface of the test bed 4. The lower end of the test bed 4 is fixedly connected with an impact block 20, and when the test bed works, the flywheel 19 rotates and impacts the impact block 20 at the lower end of the test bed 4, so that the impact block does not directly contact with the test bed 4, and the damage to the test bed is reduced. The fixing rod 24 is fixedly connected inside the pedestal 2, the first spindle 7 is rotatably connected inside the fixing rod 24, and the fixing rod 24 plays a certain role in stabilizing and supporting the first spindle 7 inside during operation.

Motor 17 side fixedly connected with strengthening rib 22, strengthening rib 22 side fixedly connected with pedestal 2, the during operation, the connection intensity between connection reinforcing motor 17 and the pedestal 2 through strengthening rib 22 increases the stability of motor 17 during operation. The tilting rod 13 is eccentrically connected with the rotating disc 12 and has a certain angle, when the device works, the transmission shaft 11 drives the rotating disc 12, the tilting rod 13 and the swinging block 14 fixed on the circumferential surface of the tilting rod 13 to rotate, and drives the swinging box 9, the connecting block II 8, the main shaft I7, the connecting block I6 and the spring II 5 to swing under the action of eccentric connection of the tilting rod 13 and the rotating disc 12 at a certain angle, so that the test bed 4 vibrates, and a vibration test is performed.

The utility model discloses a theory of operation is:

when the utility model is used, an article to be subjected to a vibration test is placed on the test bed 4, the article is fixed on the test bed 4 through a fixing hole 23 formed in the surface of the test bed 4, then the motor 17 is started, the motor 17 drives the main shaft II 18 to rotate, the main shaft II 18 drives the belt pulley II 25 and the flywheel 19 which are fixedly connected with the periphery surfaces to rotate, the flywheel 19 impacts the impact block 20 fixedly connected with the lower end of the test bed 4 while rotating, so that the test bed 4 performs vertical vibration motion under the impact of the flywheel 19 and the cooperation of the spring I3, meanwhile, the belt pulley II 25 drives the belt pulley I15 to rotate through the belt 16, the belt pulley I15 drives the transmission shaft 11 which is fixedly connected with the inside to rotate, the transmission shaft 11 drives the rotating disc 12 which is fixedly connected with the side end to rotate, the rotating disc 12 drives the inclined rod 13 which is eccentrically connected and has a certain angle to rotate, the inclined rod 13 drives the swinging block 14 to rotate inside the swinging box 9 and enables the swinging box 9 to swing up and down, the swing box 9 drives the first spindle 7 fixedly connected with the inner part of the second connecting block 8 to do incomplete circular motion through the second connecting block 8, the first spindle 7 drives the first side end fixedly connected with the first connecting block 6 to swing left and right, the first connecting block 6 drives the test bed 4 to swing left and right through the second spring 5, and the swing is changed into vibration under the action of the first spring 3, so that the object fixed on the test bed 4 is subjected to vibration test.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A vibration test stand, includes landing leg (1), its characterized in that: the upper end of the supporting leg (1) is fixedly connected with a pedestal (2), the upper end of the pedestal (2) is fixedly connected with a first spring (3), the upper end of the first spring (3) is fixedly connected with a test bed (4), the lower end of the test bed (4) is fixedly connected with a second spring (5), the second spring (5) is fixedly connected with a first connecting block (6) in a section selection manner, the side end of the first connecting block (6) is fixedly connected with a first main shaft (7), the circumferential surface of the first main shaft (7) is fixedly connected with a second connecting block (8), and the side end of the second connecting block (8) is fixedly connected with a swing box (9); a supporting rod (10) is fixedly connected inside the pedestal (2), a transmission shaft (11) is rotatably connected inside the supporting rod (10), a rotating disc (12) is fixedly connected at the side end of the transmission shaft (11), an inclined rod (13) is fixedly connected at the side end of the rotating disc (12), and a swinging block (14) is fixedly connected with the circumferential surface of the inclined rod (13); a first belt pulley (15) is fixedly connected with the circumferential surface of the transmission shaft (11); the side end of the pedestal (2) is fixedly connected with a motor (17) through a support (21), a second main shaft (18) is rotatably connected inside the motor (17), a second belt pulley (25) is fixedly connected to the circumferential surface of the second main shaft (18), and the second belt pulley (25) is connected with a first belt pulley (15) through a belt (16); the circumferential surface of the second main shaft (18) is fixedly connected with a flywheel (19).

2. A vibration testing stand according to claim 1, wherein: fixing holes (23) are formed in the surface of the test bed (4), and the fixing holes (23) are uniformly distributed.

3. A vibration testing stand according to claim 1, wherein: the lower end of the test bed (4) is fixedly connected with an impact block (20).

4. A vibration testing stand according to claim 1, wherein: the fixing rod (24) is fixedly connected to the inside of the pedestal (2), and a first main shaft (7) is rotatably connected to the inside of the fixing rod (24).

5. A vibration testing stand according to claim 1, wherein: motor (17) side fixedly connected with strengthening rib (22), strengthening rib (22) side fixedly connected with pedestal (2).

6. A vibration testing stand according to claim 1, wherein: the tilting rod (13) is eccentrically connected with the rotating disc (12) and has a certain angle.