CN218411988U

CN218411988U - Bellows life test equipment

Info

Publication number: CN218411988U
Application number: CN202222804023.0U
Authority: CN
Inventors: 徐进
Original assignee: Shenyang Dexin Hengxin Bellows Co ltd
Current assignee: Shenyang Dexin Hengxin Bellows Co ltd
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-01-31
Anticipated expiration: 2032-10-24

Abstract

The utility model relates to a bellows life-span test equipment, comprising a base plate, the top fixedly connected with attenuator of bottom plate, the surface cover of attenuator is equipped with the spring, the top fixedly connected with mounting panel of attenuator, the left end fixedly connected with gas holder at mounting panel top, the top fixedly connected with workstation of mounting panel, the left end fixedly connected with casing at workstation top, the top fixedly connected with atmospheric pressure detector of casing inner chamber, bolt fixedly connected with bellows body is passed through on the right side of casing. The utility model discloses can simulate out short distance, long distance bellows compression, tensile action respectively through the reciprocating motion mechanism of long stroke for bellows data acquisition is more comprehensive, and has shock-absorbing function, does benefit to the use of equipment.

Description

Bellows life test equipment

Technical Field

The utility model belongs to the technical field of the bellows detects, concretely relates to bellows life-span test equipment.

Background

The corrugated pipe is a tubular elastic sensitive element which is formed by connecting foldable corrugated sheets along the folding and stretching direction. The corrugated pipe has wide application in instruments and meters, and is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force. The corrugated pipe has thin wall and high sensitivity, and the measurement range is tens of Pa to tens of MPa. Its open end is fixed, its sealed end is in free state, and its elasticity is increased by using auxiliary helical spring or reed.

In the prior art, high-pressure gas (nitrogen) is usually adopted to simulate the high-pressure working condition of the corrugated pipe, and the corrugated pipe is repeatedly compressed and stretched by combining a mechanism capable of moving in a short-distance reciprocating manner, so that the service life of the corrugated pipe is prolonged, correct data are provided for mass production, and the safety factor of the use of the corrugated pipe is improved.

The mechanism with short-range reciprocating motion can realize the motion simulation of repeatedly compressing and stretching the corrugated pipe, but the extreme working condition simulation of over-compression and over-stretching cannot be realized, so that more comprehensive corrugated pipe data cannot be acquired; and the vibration generated by the whole equipment can not be eliminated, so that a corrugated pipe service life testing equipment with a large repeated stroke is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a great bellows life-span test equipment of reciprocal stroke has solved present bellows life-span test equipment and can't arrive the problem that more comprehensive bellows data, the unable elimination of vibrations of the whole production of equipment can't be gathered at the extreme condition simulation of excessive compression and excessive tensile bellows.

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

bellows life-span test equipment, comprising a base plate, the top fixedly connected with attenuator of bottom plate, the surface cover of attenuator is equipped with the spring, the top fixedly connected with mounting panel of attenuator, the left end fixedly connected with gas holder at mounting panel top, the top fixedly connected with workstation of mounting panel, the left end fixedly connected with casing at workstation top, the top fixedly connected with atmospheric pressure detector of casing inner chamber, bolt fixedly connected with bellows body is passed through on the right side of casing, the mounting groove has been seted up to the right-hand member at workstation top, the inner chamber of mounting groove rotates through the bearing and is connected with the threaded rod, the threaded connection of threaded rod has the thread bush, support fixedly connected with fly leaf is passed through at the top of thread bush, the right side fixed connection of bolt and bellows body is passed through in the left side of fly leaf, the right side fixedly connected with motor of workstation, the output shaft and the threaded rod fixed connection of motor, the left end fixedly connected with air pump at workstation top, the induction port of air pump passes through pipeline and gas holder fixed connection, the pipeline of air pump gas outlet extends to the inner chamber of casing.

Preferably, all install the braking universal wheel around the bottom plate bottom, the surface of braking universal wheel is provided with the brake block.

Preferably, the positive left end fixedly connected with display of workstation, the input of display and the output electric connection of atmospheric pressure detector.

Preferably, the right end of the front face of the workbench is fixedly connected with a PLC controller, and the output end of the PLC controller is electrically connected with the air pump and the input end of the motor respectively.

Preferably, the middle end of the top of the mounting plate is fixedly connected with a tool box, and an inner cavity of the tool box is fixedly connected with a partition plate.

Preferably, the right end of the top of the mounting plate is fixedly connected with a battery box, an inner cavity of the battery box is fixedly connected with a storage battery, and a charging port is formed in the front of the battery box.

Preferably, the bottom of the inner cavity of the mounting groove is provided with a sliding groove, the bottom of the threaded sleeve is fixedly connected with a sliding block, and the sliding block is connected with the inner cavity of the sliding groove in a sliding manner.

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

the utility model discloses can simulate out short distance, long distance bellows compression, tensile action respectively through the reciprocating motion mechanism of long stroke for bellows data acquisition is more comprehensive, and has shock-absorbing function, does benefit to the use of equipment.

Drawings

Fig. 1 is a schematic view of an external structure of an embodiment of the present invention;

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

fig. 3 is a schematic view of a part a of the enlarged structure in fig. 2.

In the figure: 1. a base plate; 2. a damper; 3. a spring; 4. mounting a plate; 5. braking the universal wheel; 6. a gas storage tank; 7. a work table; 8. an air pump; 9. a display; 10. a housing; 11. a bellows body; 12. a movable plate; 13. a PLC controller; 14. a motor; 15. a battery case; 16. a charging port; 17. a tool box; 18. an air pressure detector; 19. mounting grooves; 20. a threaded rod; 21. a storage battery; 22. a partition plate; 23. a threaded sleeve; 24. a chute; 25. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-3, a bellows life test apparatus includes a base plate 1, a damper 2 fixedly connected to a top of the base plate 1, a spring 3 sleeved on an outer surface of the damper 2, a mounting plate 4 fixedly connected to a top of the damper 2, a gas tank 6 fixedly connected to a left end of a top of the mounting plate 4, a table 7 fixedly connected to a top of the mounting plate 4, a housing 10 fixedly connected to a left end of a top of the table 7, a pneumatic pressure detector 18 fixedly connected to a top of an inner cavity of the housing 10, a bellows body 11 fixedly connected to a right side of the housing 10 via a bolt and a gasket, a mounting groove 19 formed at a right end of a top of the table 7, a threaded rod 20 rotatably connected to an inner cavity of the mounting groove 19 via a bearing, the threaded rod 20 being horizontally disposed, a threaded sleeve 23 connected to a top of the threaded sleeve 23, a movable plate 12 fixedly connected to a left side of the movable plate 12 via a bolt and a gasket, a motor 14 fixedly connected to a right side of the table 7, an output shaft of the motor 14 fixedly connected to an inner cavity of the table 20, a left end of the table 7 fixedly connected to an air pump 8, a right end of the air tank 14, and a PLC, a right end of the inner cavity of the air pump 7, a working chamber 14 electrically connected to an air pump control device, a working chamber of the PLC, a working chamber 17, and a working chamber, a working chamber 17, a working chamber of the PLC, a working chamber 9, a working chamber for displaying device, and a working chamber for displaying an air pump, a working pressure display device, respectively, the right-hand member fixedly connected with battery box 15 at mounting panel 4 top, the inner chamber fixedly connected with battery 21 of battery box 15, charging port 16 has been seted up in the front of battery box 15, and spout 24 has been seted up to the bottom of mounting groove 19 inner chamber, and the bottom fixedly connected with slider 25 of thread bush 23, slider 25 and the inner chamber sliding connection of spout 24.

The threaded rod 20, the threaded sleeve 23 and the motor 14 can form a long stroke reciprocating mechanism.

During the use, through the air pump 8, can send into casing 10 with gaseous (preferred nitrogen) in the gas holder 6, and can make gas charging in bellows body 11, utilize atmospheric pressure detector 18, can detect atmospheric pressure, when atmospheric pressure reaches the settlement numerical value, close air pump 8 and open motor 14, utilize motor 14, can drive threaded rod 20 and rotate, and under the cooperation of spout 24 and slider 25, can make threaded bush 23 remove about along with the rotation of threaded rod 20, thereby can drive and remove about fly leaf 12, thereby can drive bellows body 11 and carry out reciprocating stretching motion, it just explains bellows body 11 damage to diminish when atmospheric pressure detector 18's detection numerical value, thereby can detect bellows body 11's life, utilize attenuator 2 and spring 3, can constitute buffering damper, can improve the stability of this device at the operation in-process, utilize braking universal wheel 5, make things convenient for people to change the position of this device according to the demand, utilize toolbox 17, can deposit maintenance tools, make things convenient for people to in time maintain this device when this device damages.

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. Bellows life-span test equipment, including bottom plate (1), its characterized in that: the top fixedly connected with attenuator (2) of bottom plate (1), the surface cover of attenuator (2) is equipped with spring (3), the top fixedly connected with mounting panel (4) of attenuator (2), the left end fixedly connected with gas holder (6) at mounting panel (4) top, the top fixedly connected with workstation (7) of mounting panel (4), the left end fixedly connected with casing (10) at workstation (7) top, the top fixedly connected with atmospheric pressure detector (18) of casing (10) inner chamber, the right side of casing (10) is through bolt fixedly connected with bellows body (11), mounting groove (19) have been seted up to the right-hand member at workstation (7) top, the inner chamber of mounting groove (19) rotates through the bearing and is connected with threaded rod (20), the threaded connection of threaded rod (20) has thread bush (23), the top of thread bush (23) is through support fixedly connected with fly leaf (12), the left side of fly leaf (12) is through the right side fixed connection of bolt and bellows body (11), the right side fixed connection of workstation (7) has motor (14), the output shaft and the threaded rod (20) of motor (14), the left side fixed connection of air pump (8), the air suction port of the air pump (8) is fixedly connected with the air storage tank (6) through a pipeline, and the pipeline at the air outlet of the air pump (8) extends to the inner cavity of the shell (10).

2. The bellows life test apparatus of claim 1, wherein: all install braking universal wheel (5) around bottom plate (1) bottom, the surface of braking universal wheel (5) is provided with the brake block.

3. The bellows life test apparatus of claim 1, wherein: the positive left end fixedly connected with display (9) of workstation (7), the input of display (9) and the output electric connection of atmospheric pressure detector (18).

4. The bellows life test apparatus of claim 1, wherein: the right-hand member fixedly connected with PLC controller (13) that workstation (7) are positive, the output of PLC controller (13) respectively with the input electric connection of air pump (8) and motor (14).

5. The bellows life test apparatus of claim 1, wherein: the middle end fixedly connected with toolbox (17) at mounting panel (4) top, the inner chamber fixedly connected with baffle (22) of toolbox (17).

6. The bellows life test apparatus of claim 1, wherein: the right-hand member fixedly connected with battery box (15) at mounting panel (4) top, the inner chamber fixedly connected with battery (21) of battery box (15), mouth (16) that charges have been seted up in the front of battery box (15).

7. The bellows life test apparatus of claim 1, wherein: the bottom of mounting groove (19) inner chamber has seted up spout (24), the bottom fixedly connected with slider (25) of thread bush (23), the inner chamber sliding connection of slider (25) and spout (24).