CN210953366U

CN210953366U - Seat type fatigue testing machine

Info

Publication number: CN210953366U
Application number: CN201922079930.1U
Authority: CN
Inventors: 李云海
Original assignee: Guangzhou Rainbow Metal Spring Co ltd
Current assignee: Guangzhou Rainbow Metal Spring Co ltd
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-07-07
Anticipated expiration: 2029-11-27

Abstract

The utility model relates to the technical field of spring testing, and discloses a seat type fatigue testing machine, which solves the problems that the fatigue testing machine in the current market can cause certain harm to the health of workers along with the emission of noise when in work, and most fatigue testing machines can not quickly adjust to corresponding tension length according to springs with different lengths at the same time, and comprises a fixed support, wherein a motor is fixedly arranged in the fixed support, and a reducer is fixedly arranged at the top of the fixed support. The harm to the health of workers caused by noise is effectively avoided.

Description

Seat type fatigue testing machine

Technical Field

The utility model belongs to the technical field of the spring test, specifically be a seat formula fatigue test machine.

Background

The spring is used as a basic part and widely applied to the manufacturing and machine work industry. The performance of the spring is important to the equipment in which it is installed, so a special fatigue tester is required to test whether the produced spring is acceptable.

But the fatigue test machine on the existing market is at work, and the motor can produce great vibrations to accompanying the sending of noise, causing certain harm to worker's healthy, most fatigue test machine can't be according to the spring of different length simultaneously, corresponding pulling force length is adjusted to fast, thereby has limited the scope of use.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a seat formula fatigue test machine, the effectual fatigue test machine of having solved on the existing market can produce great vibrations at the during operation, motor to accompanying sending of noise, causing certain harm to worker's healthy, corresponding pulling force length can't be adjusted according to the spring of different length to the fatigue test machine of great majority simultaneously, thereby limited the problem of the scope of using.

In order to achieve the above object, the utility model provides a following technical scheme: a seat type fatigue testing machine comprises a fixed support, wherein a motor is fixedly installed in the fixed support, a speed reducer is fixedly arranged at the top of the fixed support, the motor is connected with the speed reducer through a belt, a main shaft of the speed reducer is provided with a centrifugal wheel through a bearing, a centrifugal rod is embedded in the middle of the centrifugal wheel in a sliding manner, nuts are installed on two sides of the centrifugal rod through threads, a connecting rod is arranged on the centrifugal rod through a joint bearing, a fixed plate is fixed on the outer side of the fixed support, an upper adjusting slide seat is fixedly installed above the outer side of the fixed plate, an upper adjusting plate is fixedly installed on the outer side of the upper adjusting slide seat, an upper pressing plate is arranged at the bottom of the upper adjusting plate through a guide pillar and a guide sleeve, a lower adjusting plate slide seat is fixedly installed at the bottom of the fixed plate, the middle pressure plate is connected with the connecting rod through a joint bearing.

In a preferred embodiment, a shock absorption seat is fixedly installed at the bottom of the motor, and a silencing shell is arranged at the top of the shock absorption seat.

In a preferred embodiment, one end of the shock absorption seat is provided with a limit groove, and the other end of the shock absorption seat is provided with an output shaft limit hole.

In a preferred embodiment, the damping seat is made of wear-resistant rubber, mounting grooves are formed in two sides of the damping seat, and a spring washer is fixedly mounted at the bottom of each mounting groove.

In a preferred embodiment, a sound-deadening layer is arranged inside the sound-deadening shell, and the sound-deadening layer is made of sound-deadening cotton material.

In a preferred embodiment, the surface of the fixing plate is provided with a guide rail, and the side wall of the intermediate pressing plate is fixedly provided with a sliding block matched with the guide rail.

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

1. during working, the centrifugal wheel, the centrifugal rod, the connecting rod and the middle pressing plate are arranged, the central distance between the centrifugal rod and the centrifugal wheel is adjusted through the screw pitch, then the height of the upper pressing plate and the lower pressing plate is adjusted through screws so as to adapt to spring tests with different lengths, after the springs are fixed, the speed reducer is driven to move through the starting motor, so that the speed reducer drives the centrifugal wheel to rotate, the connecting rod is driven by the centrifugal distance to move up and down, the connecting rod is connected with the middle clamping plate, so that the middle pressing plate does reciprocating linear motion along the guide rail, a guide sleeve embedded in the middle pressing plate can be compressed and loosened so as to test the fatigue of a product, the springs with different lengths are tested, and the application range is effectively expanded;

2. through being provided with the cushion socket, the amortization shell, spacing groove and mounting groove, bottom spring washer through the mounting groove is tentatively fixed to the motor, simultaneously through spacing groove and the spacing hole of output shaft, main part and the output shaft part to the motor carry out spacing processing, the stability of in-service motor has greatly been improved, thereby reduce the vibrations of motor, fine vibration/noise reduction's effect has been realized, last remaining noise can carry out elimination once more through the amortization layer of amortization shell inside, the effectual noise of avoiding causes harm to workman's health.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the connecting rod of the present invention;

FIG. 3 is a sectional view of the shock mount of the present invention;

in the figure: 1. fixing a bracket; 2. a motor; 3. a speed reducer; 4. a centrifugal wheel; 5. a centrifugal lever; 6. a connecting rod; 7. a fixing plate; 8. an upper adjusting plate; 9. an upper adjusting slide seat; 10. a lower adjustment plate slide; 11. a lower pressing plate; 12. a lower adjustment plate; 13. an intermediate pressing plate; 14. a shock absorbing seat; 15. a sound deadening housing; 16. a limiting groove; 17. an output shaft limiting hole; 18. mounting grooves; 19. a spring washer; 20. a sound-deadening layer; 21. a guide rail; 22. a slider; 23. a nut; 24. and (5) an upper pressing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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. 1-3, the present invention provides a technical solution: a seat type fatigue testing machine comprises a fixed support 1, which has good supporting and fixing effects, a motor 2 is fixedly arranged in the fixed support 1, a speed reducer 3 is fixedly arranged at the top of the fixed support 1, the motor 2 is connected with the speed reducer 3 through a belt, a main shaft of the speed reducer 3 is provided with a centrifugal wheel 4 through a bearing, which has good transmission effect, a centrifugal rod 5 is embedded in the middle of the centrifugal wheel 4 in a sliding manner, nuts 23 are arranged at two sides of the centrifugal rod 5 through threads, a connecting rod 6 is arranged on the centrifugal rod 5 through a joint bearing, a fixed plate 7 is fixed at the outer side of the fixed support 1, an upper adjusting slide 9 is fixedly arranged above the outer side of the fixed plate 7, an upper adjusting plate 8 is fixedly arranged at the outer side of the upper adjusting slide 9, an upper pressing plate 24 is arranged at the bottom of the upper adjusting plate 8 through a guide pillar and a, the outer side of the lower adjusting plate sliding seat 10 is fixedly provided with a lower pressing plate 11, a lower adjusting plate 12 is arranged above the lower pressing plate 11 through a guide pillar and a guide sleeve, a middle pressing plate 13 is arranged at the middle position of the fixing plate 7 in a sliding mode and plays a role in facilitating extrusion and stretching, and the middle pressing plate 13 is connected with the connecting rod 6 through a joint bearing and facilitates driving the middle pressing plate 13 to move up and down.

Further, the bottom of the motor 2 is fixedly provided with a damping seat 14, and the top of the damping seat 14 is provided with a silencing shell 15, so that a certain damping and silencing effect is achieved.

Furthermore, one end of the shock absorption seat 14 is provided with a limiting groove 16, and the other end of the shock absorption seat 14 is provided with an output shaft limiting hole 17, so that the effect of primary shock absorption is achieved.

Furthermore, the shock absorption seat 14 is made of wear-resistant rubber, mounting grooves 18 are formed in two sides of the shock absorption seat 14, and spring washers 19 are fixedly mounted at the bottoms of the mounting grooves 18, so that the overall shock absorption and buffering effects are improved.

Furthermore, the silencing layer 20 is arranged inside the silencing shell 15, and the silencing layer 20 is made of a sound-absorbing cotton material, so that the silencing effect is achieved.

Furthermore, the surface of the fixed plate 7 is provided with a guide rail 21, and the side wall of the intermediate pressing plate 13 is fixedly provided with a slide block 22 matched with the guide rail 21, so that the intermediate pressing plate 13 can move freely.

The working principle is as follows: because springs with different lengths can be met during working, firstly, a worker adjusts the center distance between the centrifugal rod 5 and the centrifugal wheel 4 according to the screw pitch, then adjusts the heights of the upper pressing plate 24 and the lower pressing plate 11 through screws to adapt to the spring tests with different lengths, after the springs are fixed, the reducer 3 is driven to move by starting the motor 2, so that the reducer 3 drives the centrifugal wheel 4 to rotate, thus the connecting rod 6 is driven by the centrifugal pitch to move up and down, the connecting rod 6 is connected with the middle pressing plate 13, so that the middle pressing plate 13 makes reciprocating linear motion along the guide rail 21, a guide sleeve embedded in the middle pressing plate 13 can be compressed and loosened to test the fatigue of a product, the springs with different lengths are tested, the application range is effectively expanded, and during working, the motor 2 is preliminarily fixed through the spring washer 19 at the bottom of the mounting groove 18, simultaneously through spacing groove 16 and the spacing hole 17 of output shaft, carry out spacing processing to the main part and the output shaft part of motor 2, improved the stability of motor 2 in the work greatly to reduce motor 2's vibrations, realized fine vibration/noise reduction's effect, remaining noise can carry out elimination once more through amortization layer 20 of amortization shell 15 inside at last, and the effectual noise of avoiding causes harm to workman's health.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. The utility model provides a seat formula fatigue test machine, includes fixed bolster (1), its characterized in that: a motor (2) is fixedly installed inside the fixed support (1), a speed reducer (3) is fixedly arranged at the top of the fixed support (1), the motor (2) is connected with the speed reducer (3) through a belt, a centrifugal wheel (4) is arranged on a main shaft of the speed reducer (3) through a bearing, a centrifugal rod (5) is embedded in the middle of the centrifugal wheel (4) in a sliding manner, nuts (23) are installed on two sides of the centrifugal rod (5) through threads, a connecting rod (6) is arranged on the centrifugal rod (5) through a joint bearing, a fixed plate (7) is fixed on the outer side of the fixed support (1), an upper adjusting slide seat (9) is fixedly installed above the outer side of the fixed plate (7), an upper adjusting plate (8) is fixedly installed on the outer side of the upper adjusting slide seat (9), an upper pressing plate (24) is arranged at the bottom of the upper adjusting, a lower pressing plate (11) is fixedly arranged on the outer side of the lower adjusting plate sliding seat (10), a lower adjusting plate (12) is arranged above the lower pressing plate (11) through a guide post and a guide sleeve, a middle pressing plate (13) is arranged in the middle of the fixing plate (7) in a sliding mode, and the middle pressing plate (13) is connected with the connecting rod (6) through a joint bearing.

2. The seat type fatigue testing machine according to claim 1, wherein: the bottom of the motor (2) is fixedly provided with a damping seat (14), and the top of the damping seat (14) is provided with a silencing shell (15).

3. The seat type fatigue testing machine according to claim 2, wherein: one end of the shock absorption seat (14) is provided with a limiting groove (16), and the other end of the shock absorption seat (14) is provided with an output shaft limiting hole (17).

4. The seat type fatigue testing machine according to claim 2, wherein: the shock absorption seat (14) is made of wear-resistant rubber, mounting grooves (18) are formed in two sides of the shock absorption seat (14), and spring washers (19) are fixedly mounted at the bottoms of the mounting grooves (18).

5. The seat type fatigue testing machine according to claim 2, wherein: the noise reduction shell (15) is internally provided with a noise reduction layer (20), and the noise reduction layer (20) is made of a sound absorption cotton material.

6. The seat type fatigue testing machine according to claim 1, wherein: the surface of the fixed plate (7) is provided with a guide rail (21), and the side wall of the middle pressing plate (13) is fixedly provided with a sliding block (22) matched with the guide rail (21).