CN216952188U

CN216952188U - Safe explosion-proof self sealss rotary compensator

Info

Publication number: CN216952188U
Application number: CN202123121061.8U
Authority: CN
Inventors: 林美根; 林亚东; 林存贵
Original assignee: Jiangsu Hengchang Bellows Co ltd
Current assignee: Jiangsu Hengchang Bellows Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-07-12
Anticipated expiration: 2031-12-13

Abstract

The utility model relates to the technical field of rotary compensators, in particular to a safe explosion-proof self-sealing rotary compensator which comprises a rotary compensator assembly, wherein the rotary compensator assembly comprises a reducing pipe mechanism and a rotary pipe mechanism, the rotary pipe mechanism is sleeved in the reducing pipe mechanism, the rotary pipe mechanism comprises a rotary core pipe and an isolation pipe body, the isolation pipe body is sleeved on the outer surface of the rotary core pipe, the isolation pipe body is additionally arranged on the outer surface of the rotary core pipe to improve the rotary core pipe of the traditional rotary compensator, on one hand, the sealing performance of the whole device can be improved, on the other hand, a fixed isolation structure is arranged between the rotary core pipe and sealing filler, so that the rotary core pipe cannot directly contact the sealing filler, the rotary core pipe can be prevented from wearing the sealing filler in the rotating process to cause loosening, and the stress of the whole device is reduced, the explosion and leakage caused by the medium with strong pressure in the integral device are avoided.

Description

Safe explosion-proof self sealss rotary compensator

Technical Field

The utility model relates to the technical field of rotary compensators, in particular to a safe explosion-proof self-sealing rotary compensator.

Background

In order to prevent the pipe from deforming or breaking due to thermal elongation or temperature stress when the heating pipe is heated, a compensator is required to be arranged on the pipe to compensate the thermal elongation of the pipe, so as to reduce the stress of the pipe wall and the acting force acting on the valve member or the bracket structure, wherein the rotary compensator is most commonly used and has the best effect relative to other types of compensators.

The rotary compensator adopts a special structure, the internal stress thrust is eliminated in the product structure, the original stress chemistry evolves mechanical dynamics, the compensation amount is large and can reach 1800mm, the investment is saved, the compensation amount of the rotary compensator is large and has no thrust, the quantity of the compensator and the civil scale are greatly saved, the total engineering investment is saved by 20%, the economic benefit is considerable, the rotary compensator is maintenance-free again, the sealing performance is excellent, the rotary compensator adopts mechanical sealing, the remote mode of the rotary compensator is different from that of the traditional compensator, the abrasion on sealing materials is less, and the rotary compensator also has the advantages of high economical efficiency of pipeline operation, diversified installation modes and types, convenience in installation and construction, but certain defects exist in the rotary compensator, wherein the most serious defect is that the filler is abraded during working, the filler is loosened in a filler cavity, and burst leakage occurs.

Therefore, it is necessary to design a safety explosion-proof self-sealing rotary compensator to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a safe explosion-proof self-sealing rotary compensator to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an explosion-proof self sealss rotary compensator of safe type, includes rotary compensator assembly, rotary compensator assembly is including reducing pipe mechanism, rotatory pipe mechanism, and rotatory pipe mechanism cover establishes the inside at reducing pipe mechanism, and rotatory pipe mechanism is including rotatory core pipe and isolation body simultaneously, keeps apart the body cover simultaneously and establishes the surface at rotatory core pipe.

As a preferred scheme of the utility model, the reducing pipe mechanism comprises a reducing pipe body and a sealing gland, the sealing gland is located at one end of the reducing pipe mechanism close to the rotating pipe mechanism, a first limiting installation groove is formed in the reducing pipe body close to the end of the rotating pipe mechanism, first sealing filler and second sealing filler are sequentially arranged between the first limiting installation groove and the sealing gland, a sealing seat is fixedly installed at one end of the reducing pipe body close to the sealing gland, a second limiting installation groove is formed in the outer surface of the rotating core pipe close to the isolating pipe body, a first ball and a second ball are installed in the second limiting installation groove, and a buffer seat is fixedly installed at one end of the rotating core pipe far away from the reducing pipe mechanism.

As a preferable scheme of the utility model, the buffer seat, the sealing seat and the sealing gland are in through connection through a fixing mechanism, the fixing mechanism comprises a screw rod and limiting nuts, the limiting nuts are spirally arranged on the screw rod near two ends, and a spring is sleeved on the screw rod near the sealing gland and the buffer seat.

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

1. according to the utility model, the isolation tube body is additionally arranged on the outer surface of the rotary core tube to improve the rotary core tube of the traditional rotary compensator, so that the sealing performance of the whole device can be improved, and a fixed isolation structure is arranged between the rotary core tube and the sealing filler, so that the rotary core tube cannot directly contact the sealing filler, the rotary core tube can be prevented from wearing the sealing filler in the rotating process to cause loosening, the stress of the whole device is reduced, the bursting leakage caused by a medium with strong pressure in the whole device is avoided, and the safety is achieved.

2. According to the utility model, the first sealing filler and the second sealing filler can be respectively pressed and shaped in real time through the structures of the first pressure plate, the second pressure plate, the vacuum cavity and the connecting upright column, so that the sealing filler is continuously in a regular structure without loose condition, the service cycle of the sealing filler can be further prolonged, and a better sealing effect can be achieved.

3. In the utility model, the first limiting installation groove and the second limiting installation groove are arranged to respectively ensure the stable operation of the rotating core pipe and the isolating pipe body, so that the displacement is prevented and the safety is higher.

Drawings

FIG. 1 is a schematic view of the overall installation front view internal structure of the present invention;

FIG. 2 is a schematic view of the overall expanded front view internal structure of the present invention;

FIG. 3 is a schematic view of the unfolding front view of the internal structure of the rotary tube mechanism of the present invention;

FIG. 4 is a schematic view of an elevational internal structure of the isolation tube of the present invention;

FIG. 5 is an enlarged partial view of the structure A of the present invention;

in the figure: 1. a rotary compensator assembly; 2. a reducing pipe mechanism; 21. a reducing pipe body; 22. a sealing gland; 23. a first limit mounting groove; 24. a first seal packing; 25. a second seal packing; 26. a sealing seat; 3. a rotating tube mechanism; 4. rotating the core tube; 41. a second limit mounting groove; 42. a first ball bearing; 43. a second ball bearing; 44. a buffer seat; 5. isolating the pipe body; 51. a first pressure plate; 52. a second pressure plate; 53. a through groove; 54. a vacuum chamber; 55. connecting the upright posts; 6. a fixing mechanism; 61. a screw; 62. a limit nut; 63. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a safety explosion-proof self-sealing rotary compensator comprises a rotary compensator assembly 1, wherein the rotary compensator assembly 1 comprises a reducing pipe mechanism 2 and a rotary pipe mechanism 3, the rotary pipe mechanism 3 is sleeved in the reducing pipe mechanism 2, the rotary pipe mechanism 3 comprises a rotary core pipe 4 and an isolation pipe body 5, the isolation pipe body 5 is sleeved on the outer surface of the rotary core pipe 4, the rotary core pipe of the traditional rotary compensator is improved by additionally arranging the isolation pipe body 5 on the outer surface of the rotary core pipe 4, on one hand, the sealing performance of the whole device can be improved, on the other hand, a fixed isolation structure is arranged between the rotary core pipe 4 and sealing filler, so that the rotary core pipe 4 cannot directly contact with the sealing filler, the rotary core pipe 4 can be prevented from wearing the sealing filler in the rotating process to cause looseness, and the stress of the whole device is reduced, the explosion and leakage caused by the medium with strong pressure in the whole device are avoided, and the safety is achieved.

In the embodiment, referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the reducing pipe mechanism 2 includes a reducing pipe body 21 and a sealing gland 22, the sealing gland 22 is located at one end of the reducing pipe mechanism 2 close to the rotating pipe mechanism 3, a first limiting installation groove 23 is formed in the reducing pipe body 21 close to a port of the rotating pipe mechanism 3, a first sealing filler 24 and a second sealing filler 25 are sequentially arranged between the first limiting installation groove 23 and the sealing gland 22, a sealing seat 26 is fixedly installed at one end of the reducing pipe body 21 close to the sealing gland 22, a second limiting installation groove 41 is formed in the outer surface of the rotating core pipe 4 close to the isolating pipe body 5, a first ball 42 and a second ball 43 are installed in the second limiting installation groove 41, and a buffer seat 44 is fixedly installed at one end of the rotating core pipe 4 far from the reducing pipe mechanism 2; through the first pressure flitch 51 that sets up, the second pressure flitch 52, the vacuum cavity 54 can be respectively to first gland packing 24 with the structure of connecting stand 55, the design is pressed in real time to second gland packing 25, thereby make it continuously be in regular structure, no loose condition, and then can promote gland packing's life cycle, reach better sealed effect simultaneously, and first spacing mounting groove 23 through setting up, rotatory core pipe 4 can be guaranteed respectively to second spacing mounting groove 41, the operation of isolation body 5 is stable, prevent to take place the displacement, and is safer.

In an embodiment, referring to fig. 2, the buffer seat 44, the seal seat 26 and the seal gland 22 are connected through the fixing mechanism 6, the fixing mechanism 6 includes a screw 61 and a limit nut 62, the limit nut 62 is spirally mounted on the screw 61 near two ends, and a spring 63 is sleeved on the screw 61 near the seal gland 22 and the buffer seat 44.

The working principle is as follows: when the device is used, the isolation tube body 5 is additionally arranged on the outer surface of the rotary core tube 4 to improve the rotary core tube of the traditional rotary compensator, on one hand, the sealing performance of the whole device can be improved, on the other hand, a fixed isolation structure can be arranged between the rotary core tube 4 and the sealing filler, so that the rotary core tube 4 cannot directly contact the sealing filler, the sealing filler can be prevented from being abraded in the rotating process of the rotary core tube 4, the looseness of the sealing filler is caused, the stress of the whole device is reduced, the bursting and leakage caused by a medium with strong pressure in the whole device are avoided, and the safety is achieved, and the first sealing filler 24 and the second sealing filler 25 can be pressed and shaped in real time through the structures of the first pressure plate 51, the second pressure plate 52, the vacuum cavity 54 and the connecting upright column 55, so that the sealing filler is continuously in a regular structure, there is not loose circumstances, and then can promote the life cycle of sealing filler, reaches better sealed effect simultaneously, and can guarantee respectively through the first spacing mounting groove 23 that sets up, the spacing mounting groove 41 of second that rotatory core pipe 4, keep apart the operation stability of body 5, prevent to take place the displacement, and is safer, has certain spreading value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an explosion-proof self sealss rotary compensator of safe type, includes rotary compensator assembly (1), its characterized in that: rotatory compensator assembly (1) is including reducing pipe mechanism (2), rotatory pipe mechanism (3), and rotatory pipe mechanism (3) cover is established in the inside of reducing pipe mechanism (2), and rotatory pipe mechanism (3) are including rotatory core pipe (4) and keep apart body (5) simultaneously, keep apart body (5) cover simultaneously and establish the surface at rotatory core pipe (4).

2. The safety explosion-proof self-sealing rotary compensator according to claim 1, wherein: the reducing pipe mechanism (2) comprises a reducing pipe body (21) and a sealing gland (22), and the sealing gland (22) is positioned at one end of the reducing pipe mechanism (2) close to the rotating pipe mechanism (3), a first limit mounting groove (23) is arranged at the end part of the inner part of the reducing pipe body (21) close to the rotating pipe mechanism (3), and a first sealing filler (24) and a second sealing filler (25) are sequentially arranged between the first limit mounting groove (23) and the sealing gland (22), meanwhile, a sealing seat (26) is fixedly arranged at one end of the reducing pipe body (21) close to the sealing gland (22), a second limiting installation groove (41) is arranged on the outer surface of the rotating core pipe (4) and close to the isolation pipe body (5), a first ball (42) and a second ball (43) are arranged in the second limit mounting groove (41), and a buffer seat (44) is fixedly arranged at one end of the rotating core pipe (4) far away from the reducing pipe mechanism (2).

3. The safety explosion-proof self-sealing rotary compensator according to claim 2, characterized in that: buffer seat (44), seal receptacle (26) and gland (22) are through connection through fixed establishment (6) between the three, and fixed establishment (6) including screw rod (61) and stop nut (62), and stop nut (62) spiral installation is close to both ends department on screw rod (61) simultaneously, is close to on screw rod (61) between gland (22) and buffer seat (44) the cover and is equipped with spring (63).