Safety type anti-explosion rotary compensator

By setting up inner seal and outer sealing components in the rotary compensator, and using outer frame assembly and outer spring buffering, the leakage and damage problems of existing compensators under pressure changes are solved, achieving stable sealing and explosion-proof effects.

CN223137330UActive Publication Date: 2025-07-22QINGDAO DONGHUA ENERGY SOURCE EQUIP MFG CO LTD
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Patent Information

Application Number
CN202422605427.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-07-22
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

The existing rotation compensator cannot adapt to changing pressure, which can easily lead to leakage or damage to the compensator.

Method used

A safety explosion-proof rotary compensator is designed to allow the top tube assembly to slide within the bottom tube assembly to release pressure by providing an inner sealing assembly and an outer sealing assembly, and using an outer frame assembly and an outer spring to achieve stable sealing and cushioning.

Benefits of technology

It realizes stable sealing of the pipeline under thermal expansion, cold contraction and high pressure conditions, avoids leakage and damage, and has explosion-proof functions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a safety type anti-explosion rotary compensator, and relates to the technical field of pipeline equipment. The bottom pipe assembly is installed at the lower end of the top pipe assembly in a sleeved mode, the inner sealing assembly is arranged at the contact position of the bottom of the top pipe assembly and the bottom pipe assembly, the top pipe assembly is arranged to be connected into the bottom pipe assembly in a sleeved mode, meanwhile, the top pipe assembly and the bottom pipe assembly are reinforced from the temporal portion, and the outer frame assembly is additionally installed at the outer end of the sleeved position of the top pipe assembly. The outer side of the outer frame assembly is installed outside the bottom pipe assembly, the outer sealing assembly at the outer frame assembly and the inner sealing assembly at the position of the top pipe assembly achieve stable sealing between the top pipe assembly and the bottom pipe assembly, and when the top pipe assembly and the bottom pipe assembly are rotationally adjusted, the top pipe assembly can slide by a certain distance in the bottom pipe assembly. The auxiliary pressure relief and explosion prevention effects are started, and the problems that a rotary compensator cannot adapt to changing pressure, and leakage or damage of the compensator is likely to be caused in the rotary compensation process are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of pipeline equipment, in particular to a safe explosion-proof rotary compensator. Background Art

[0002] With the continuous development of science and technology, people's living standards have gradually improved, and some building construction has increased accordingly, which requires the construction of building pipeline equipment in advance. Pipeline equipment has a variety of uses, such as pipes used in waterways, and also pipes used in heating pipes used in the north. Usually, general pipes can be completed directly by welding, but for example, heating pipes will have large temperature changes, and the use length of the cut pipes is longer. The pipes will have some thermal expansion and contraction problems, so it is necessary to install pipe compensators.

[0003] General pipeline compensators can only compensate for pipeline expansion and contraction by rotating. However, some pipelines will have a certain pressure inside. General rotating compensators cannot adapt to the changing pressure, which may easily cause leakage or damage to the compensator during the rotating compensation process. Utility Model Content

[0004] The disclosed embodiment relates to a safe explosion-proof rotary compensator, in which a top tube assembly is arranged to be sleeved in a bottom tube assembly, and at the same time, the top tube assembly and the bottom tube assembly are reinforced from the temporal part, an outer frame assembly is installed at the outer end of the sleeve position of the top tube assembly, and the outer side of the outer frame assembly is installed on the outside of the bottom tube assembly, and an outer sealing assembly at the outer frame assembly and an inner sealing assembly at the position of the top tube assembly are used to realize a stable seal between the top tube assembly and the bottom tube assembly, and when the top tube assembly and the bottom tube assembly are rotated and adjusted, the top tube assembly can slide a certain distance in the bottom tube assembly to start the auxiliary pressure relief and explosion-proof function.

[0005] According to a first aspect of the present disclosure, a safe explosion-proof rotary compensator is provided, which specifically includes: a top pipe assembly; a bottom pipe assembly is sleeved and installed at the lower end of the top pipe assembly, an inner sealing assembly is arranged at the contact position between the bottom of the top pipe assembly and the bottom pipe assembly, an outer sealing assembly is sleeved and installed at the upper end of the inner sealing assembly at the top pipe assembly, an outer frame assembly is installed on the outer side of the top of the outer sealing assembly, an outer spring is added to the outer frame assembly, and an oil filling head is arranged on the outer wall of the upper end of the bottom pipe assembly.

[0006] In at least some embodiments, the top pipe of the top pipe assembly is configured as a tubular structure, the inner wall of the top pipe is provided with inner convex strips, the inner convex strips are arranged in a circular array, and the inner convex strips are configured as a spiral structure.

[0007] In at least some embodiments, the top of the bottom pipe of the bottom pipe assembly is configured to be thick, and a vertical inner convex rod is provided on the bottom inner wall of the bottom pipe, and the top of the inner convex rod is located at the bottom end of the thickened position of the bottom pipe.

[0008] In at least some embodiments, the outer frame disk of the outer frame assembly is arranged at the outer end of the top of the outer sealing assembly. A flange disk is sleeved on the outer wall of the bottom pipe assembly at the lower end of the outer frame disk. The flange disk is connected to the outer frame disk by bolts, and the bolts are simultaneously connected to the flange disk at the top of the bottom pipe assembly. An outer spring is installed between the flange disk of the bottom pipe assembly and the bottom flange disk.

[0009] In at least some embodiments, the sliding sleeve of the outer sealing assembly is sleeved on the outer end of the top pipe assembly. The outside of the sliding sleeve contacts the bottom pipe assembly. A groove is arranged on the outer wall of the sliding sleeve, and a sealing sleeve is installed in the groove of the sliding sleeve. The sealing sleeve is arranged as an inclined ring frame structure.

[0010] In at least some embodiments, the sealing platform of the inner sealing assembly is arranged at the bottom position of the top pipe assembly. Three groups of ring grooves are arranged on the outer wall of the sealing platform, and sealing rings are installed in the ring grooves of the sealing platform.

[0011] In at least some embodiments, an oil injection head is arranged on the outer wall of the upper part of the bottom pipe assembly. The oil injection head is arranged as an elbow structure, and four oil injection heads are arranged to prevent the outer sealing assembly from being oxidized and worn inside the bottom pipe assembly.

[0012] The utility model provides a safe explosion-proof rotary compensator, which has the following beneficial effects:

[0013] In the utility model, first, both the top pipe assembly and the bottom pipe assembly are arranged as structures reinforced from the inside. The inner sealing assembly at the bottom of the top pipe assembly is sleeved inside the top pipe assembly. At the same time, an outer sealing assembly is installed at the outer end of the inner sealing assembly of the top pipe assembly, so that the outer sealing assembly and the inner sealing assembly cooperate with each other to increase the stable sealing between the top pipe assembly and the bottom pipe assembly. When the top pipe assembly and the bottom pipe assembly rotate and slide, a stable sealing effect can be achieved. The outer frame assembly at the outer end of the outer sealing assembly is installed outside the bottom pipe assembly, so that the components such as the top pipe assembly are in a tightened state under normal conditions. Only when a large pressure is applied, the pressure is released through the outer spring at the outer frame assembly, and at the same time, when the device rotates and compensates, a certain pressure is released through the up and down sliding of the outer frame assembly, achieving the explosion-proof effect.

[0014] In addition, when the device is in use, both the top pipe assembly and the bottom pipe assembly are fixed on the pipeline. In order to enable the top pipeline to bear a certain torsional force, spiral inner convex strips are directly arranged on the inner wall of the top pipeline, and the circumferentially arrayed inner convex strips increase the strength of the top pipeline. The upper part of the bottom pipeline is set as a thickened structure to facilitate the socketing of the inner sealing assembly at the bottom of the top pipe assembly at the top of the bottom pipeline. In order to keep the bottom pipeline with stable strength all the time, inner convex rods are arranged on the inner wall of the bottom part of the bottom pipeline, and the inner convex rods assist in increasing the strength of the bottom pipeline. The top of the inner convex rod is placed at the lower end of the thickened position of the bottom pipeline, and the top of the inner convex rod assists in limiting and blocking components such as the inner sealing assembly.

[0015] In addition, first, the outer frame plate is arranged on the top of the outer sealing component. The outer frame plate is connected to the flange plates of the flange plate and the bottom pipe component by bolts. At the same time, an outer spring is installed between the flange plate and the flange plate of the bottom pipe component to realize the downward pressing of the outer frame plate towards the lower end, so that the outer frame component stably presses the outer sealing component, thereby realizing a further sealing effect. And by installing an outer spring between the flange plate and the flange plate of the bottom pipe component, after a certain pressure is generated inside the device, a certain buffer is formed through the action of the outer spring, so that the device has a certain explosion-proof effect.

[0016] In addition, the sliding sleeve is directly sleeved outside the top pipe component. At the same time, the outer end of the sliding sleeve is in contact with the bottom pipe component, so that the sliding sleeve realizes the auxiliary sealing between the bottom pipe component and the top pipe component. The sealing sleeve in the outer groove of the sliding sleeve is set as an inclined ring frame structure, which realizes further increasing the sealing effect between the top pipe component and the bottom pipe component. The bottom of the top pipe component is provided with a sealing table, and the top pipe component contacts the bottom pipe component through the sealing table to realize the sealing between the top pipe component and the bottom pipe component. And three ring grooves are provided on the sealing table. After the sealing ring is installed on the sealing table, the inner sealing component further increases the sealing effect between the top pipe component and the bottom pipe component. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly introduced below.

[0018] The drawings in the following description only relate to some embodiments of the present invention and do not limit the present invention.

[0019] In the drawings:

[0020] Figure 1 shows the overall structural schematic diagram of the present application;

[0021] Figure 2 shows the schematic diagram of the structure of the outer frame component of the present application;

[0022] Figure 3 shows the schematic diagram of the structure of the top pipe and the bottom pipe of the present application;

[0023] Figure 4 shows the schematic diagram of the structure of the outer sealing component of the present application;

[0024] Figure 5 shows the schematic diagram of the structure of the bottom pipe component of the present application;

[0025] Figure 6 shows the Figure 5 schematic diagram of the partial enlarged structure at A in the present application;

[0026] List of Reference Numerals

[0027] 1. Jacking Pipe Assembly; 101. Jacking Pipe; 102. Inner Protruding Strip

[0028] 2. Bottom Pipe Assembly; 201. Bottom Pipe; 202. Inner Protruding Rod

[0029] 3. Outer Frame Assembly; 301. Outer Frame Disk; 302. Flange Disk; 303. Bolt

[0030] 4. Outer Sealing Assembly; 401. Sliding Sleeve; 402. Sealing Sleeve

[0031] 5. Inner Sealing Assembly; 501. Sealing Platform; 502. Sealing Ring

[0032] 6. Oil Filling Head

[0033] 7. Outer Spring Detailed Implementation Manner

[0034] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0035] Embodiment 1: Please refer to Figures 1 to 6 :[[]]<[[]]END

[0036] The present utility model provides a safe explosion-proof rotary compensator, including: a jacking pipe assembly 1; a bottom pipe assembly 2 is sleeved and installed at the lower end position of the jacking pipe assembly 1, an inner sealing assembly 5 is arranged at the contact position between the bottom of the jacking pipe assembly 1 and the bottom pipe assembly 2, an outer sealing assembly 4 is sleeved and installed at the upper end of the inner sealing assembly 5 in the jacking pipe assembly 1, an outer frame assembly 3 is installed on the outer side of the top of the outer sealing assembly 4, an outer spring 7 is additionally installed on the outer frame assembly 3, and an oil filling head 6 is arranged on the outer wall of the upper end of the bottom pipe assembly 2.

[0037] In the embodiments of the present disclosure, as Figure 2 Figure 3As shown in the figure, the jacking pipe 101 of the jacking pipe assembly 1 is arranged as a tubular structure. The inner wall of the jacking pipe 101 is provided with inner convex strips 102. The inner convex strips 102 are arranged in a circumferential array and are in a spiral structure. When the device is in use, both the jacking pipe assembly 1 and the bottom pipe assembly 2 are fixed on the pipeline. In order to enable the jacking pipe 101 to bear a certain torsional force, the inner wall of the jacking pipe 101 is directly provided with spiral inner convex strips 102, and the inner convex strips 102 arranged in a circumferential array increase the strength of the jacking pipe 101.

[0038] In the embodiment of the present disclosure, as Figure 3 Figure 5 shown in the figure, the top of the bottom pipe 201 of the bottom pipe assembly 2 is set to be thick. The inner wall of the bottom of the bottom pipe 201 is provided with a vertical inner convex rod 202. The top of the inner convex rod 202 is at the bottom end of the thickened position of the bottom pipe 201. The upper part of the bottom pipe 201 is set to be a thickened structure, so as to facilitate the socketing of the inner sealing assembly 5 at the bottom of the jacking pipe assembly 1 on the top of the bottom pipe 201. In order to keep the bottom pipe 201 always have stable strength, the inner wall of the bottom part of the bottom pipe 201 is provided with an inner convex rod 202, so that the inner convex rod 202 helps to increase the strength of the bottom pipe 201, and the top of the inner convex rod 202 is placed at the lower end of the thickened position of the bottom pipe 201, so that the top of the inner convex rod 202 helps to limit and block components such as the inner sealing assembly 5.

[0039] In the embodiment of the present disclosure, as Figure 2 Figure 3 shown in the figure, the outer frame plate 301 of the outer frame assembly 3 is arranged at the outer end of the top of the outer sealing assembly 4. A flange 302 is sleeved on the outer wall of the bottom pipe assembly 2 at the lower end of the outer frame plate 301. The flange 302 and the outer frame plate 301 are connected by bolts 303. The bolts 303 are also connected to the flange 302 at the top of the bottom pipe assembly 2. An outer spring 7 is installed between the flange 302 of the bottom pipe assembly 2 and the bottom flange 302. First, the outer frame plate 301 is arranged at the top of the outer sealing assembly 4. The outer frame plate 301 is connected to the flange 302 and the flange 302 of the bottom pipe assembly 2 by bolts 303. At the same time, an outer spring 7 is installed between the flange 302 of the bottom pipe assembly 2 and the flange 302 of the bottom pipe assembly 2, so as to realize the downward pressing of the outer frame plate 301 towards the lower end, so that the outer frame assembly 3 stably presses the outer sealing assembly 4 downwards, thereby realizing a further sealing effect. And an outer spring 7 is installed between the flange 302 of the bottom pipe assembly 2 and the flange 302 of the bottom pipe assembly 2. After a certain pressure is generated inside the device, a certain buffer is formed through the action of the outer spring 7, so that the device has a certain explosion-proof function.

[0040] In the embodiment of the present disclosure, as Figure 3 Figure 4As shown, the sliding sleeve 401 of the outer sealing assembly 4 is sleeved on the outer end of the jacking pipe assembly 1. The outside of the sliding sleeve 401 contacts the bottom pipe assembly 2. A groove is provided on the outer wall of the sliding sleeve 401, and a sealing sleeve 402 is installed in the groove of the sliding sleeve 401. The sealing sleeve 402 is arranged in an inclined ring frame structure. The sliding sleeve 401 is directly sleeved on the outside of the jacking pipe assembly 1, and at the same time, the outer end of the sliding sleeve 401 contacts the bottom pipe assembly 2, so that the sliding sleeve 401 helps to seal between the bottom pipe assembly 2 and the jacking pipe assembly 1. The sealing sleeve 402 in the outer groove of the sliding sleeve 401 is arranged in an inclined ring frame structure, which further increases the sealing effect between the jacking pipe assembly 1 and the bottom pipe assembly 2.

[0041] In the embodiment of the present disclosure, as Figure 4 shown, the sealing platform 501 of the inner sealing assembly 5 is arranged at the bottom of the jacking pipe assembly 1. Three groups of annular grooves are provided on the outer wall of the sealing platform 501, and sealing rings 502 are installed in the annular grooves of the sealing platform 501. The bottom of the jacking pipe assembly 1 is provided with the sealing platform 501, so that the jacking pipe assembly 1 contacts the bottom pipe assembly 2 through the sealing platform 501 to realize the sealing between the jacking pipe assembly 1 and the bottom pipe assembly 2. By arranging three groups of annular grooves on the sealing platform 501 and installing the sealing rings 502 on the sealing platform 501, the inner sealing assembly 5 further increases the sealing effect between the jacking pipe assembly 1 and the bottom pipe assembly 2.

[0042] In the embodiment of the present disclosure, as Figure 6 shown, an oil injection head 6 is provided on the outer wall of the upper end of the bottom pipe assembly 2. The oil injection head 6 is arranged in an elbow structure, and there are four oil injection heads 6. In order to prevent the outer sealing assembly 4 from being oxidized and worn in the bottom pipe assembly 2, the oil injection head 6 is directly arranged on the outer wall of the upper end of the bottom pipe assembly 2. At the same time, the oil injection head 6 is arranged in an elbow structure, which is convenient to add lubricating oil to the position of the outer sealing assembly 4 from the outside, facilitating the subsequent rotation of the device and avoiding unnecessary wear problems.

[0043] The working principle of this embodiment: Usually, two sets of devices are installed to form a loop-shaped shape. The devices are used on long pipelines to avoid damage caused by the thermal expansion and contraction of the pipelines. When the pipeline undergoes thermal expansion and contraction, the two installed devices will rotate slightly to offset the problem of thermal expansion and contraction and achieve a compensation effect. When transporting some high-pressure media, the outer spring 7 at the outer frame assembly 3 can, through elasticity, make the outer sealing assembly 4 and the inner sealing assembly 5 slide up and down in the bottom pipe assembly 2 to offset the corresponding pressure, thereby achieving a certain explosion-proof effect.

[0044] In this article, the following points need to be noted:

[0045] 1. The drawings in the embodiment of the present disclosure only relate to the structures involved in the embodiment of the present disclosure, and other structures can refer to the general design.

[0046] 2. Without conflict, the embodiments of the present disclosure and the features in the embodiments may be combined with each other to obtain new embodiments.

[0047] The above are only the specific implementation manners of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present disclosure can easily think of changes or substitutions, which should all be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A safety explosion-proof rotary compensator, comprising: Jacking pipe component (1); a bottom pipe component (2) is sleeved and installed at the lower end position of the jacking pipe component (1), characterized in that an inner sealing component (5) is arranged at the contact position between the bottom of the jacking pipe component (1) and the bottom pipe component (2), an outer sealing component (4) is sleeved and installed at the upper end of the inner sealing component (5) in the jacking pipe component (1), an outer frame component (3) is installed on the outer side of the top of the outer sealing component (4), an outer spring (7) is additionally installed on the outer frame component (3), and an oil injection head (6) is arranged on the outer wall of the upper end of the bottom pipe component (2).

2. The safety type explosion-proof rotary compensator according to claim 1, characterized in that The jacking pipe (101) of the jacking pipe component (1) is arranged in a tubular structure, and inner convex strips (102) are arranged on the inner wall of the jacking pipe (101). The inner convex strips (102) are arranged in a circumferential array, and the inner convex strips (102) are arranged in a spiral structure.

3. The safety type explosion-proof rotary compensator according to claim 1, characterized in that The top of the bottom pipe (201) of the bottom pipe component (2) is set to be thick, and a vertical inner convex rod (202) is arranged on the inner wall of the bottom of the bottom pipe (201). The top of the inner convex rod (202) is at the bottom end of the thickened position of the bottom pipe (201).

4. The safety type explosion-proof rotary compensator according to claim 1, characterized in that The outer frame plate (301) of the outer frame component (3) is arranged at the outer end of the top of the outer sealing component (4). A flange plate (302) is sleeved on the outer wall of the bottom pipe component (2) at the lower end of the outer frame plate (301). The flange plate (302) and the outer frame plate (301) are connected by bolts (303). The bolts (303) are simultaneously connected to the flange plate (302) at the top of the bottom pipe component (2). An outer spring (7) is additionally installed between the flange plate (302) of the bottom pipe component (2) and the bottom flange plate (302).

5. The safety type explosion-proof rotary compensator according to claim 1, characterized in that The sliding sleeve (401) of the outer sealing component (4) is sleeved on the outer end of the jacking pipe component (1). The outside of the sliding sleeve (401) is in contact with the bottom pipe component (2). Grooves are arranged on the outer wall of the sliding sleeve (401), and a sealing sleeve (402) is installed in the grooves of the sliding sleeve (401). The sealing sleeve (402) is arranged in an inclined ring frame structure.

6. The safety type explosion-proof rotary compensator according to claim 1, characterized in that The sealing table (501) of the inner sealing component (5) is arranged at the bottom position of the jacking pipe component (1). Three groups of annular grooves are arranged on the outer wall of the sealing table (501), and sealing rings (502) are installed in the annular grooves of the sealing table (501).

7. The safety type explosion-proof rotary compensator according to claim 1, characterized in that The oil injection head (6) is arranged on the outer wall of the upper end of the bottom pipe component (2). The oil injection head (6) is arranged in an elbow structure, and there are four oil injection heads (6) to prevent the outer sealing component (4) from oxidizing and wearing in the bottom pipe component (2).