Self-adaptive pipeline compensation device with automatic recovery function
By designing an automatic recovery pipeline adaptive compensation device, which utilizes structures such as flange plates, flexible bellows, and limit components, adaptive compensation and protection are achieved, solving the problem of poor protection effect of existing devices and extending service life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU TONGYI POWER EQUIP CO LTD
- Filing Date
- 2025-05-28
- Publication Date
- 2026-05-01
AI Technical Summary
Existing compensation devices are not effective in providing protection, especially since non-metallic corrugated pipes are prone to aging and screws are prone to rust, affecting their service life.
An adaptive compensation device for pipelines with automatic recovery was designed, including a compensator body and protective components. Through structures such as flange plates, elastic bellows, axial limiting sleeves, limiting components and protective covers, adaptive compensation and automatic recovery are achieved. Combined with protective covers, positioning supports and positioning components, it provides all-round protection.
It effectively protects the flexible corrugated pipe, slows down aging and corrosion, and extends its service life.
Smart Images

Figure CN224188255U_ABST
Abstract
Description
An automatic recovery pipeline adaptive compensation device Technical Field
[0001] This utility model belongs to the technical field of compensation devices, specifically an automatic recovery pipeline adaptive compensation device. Background Technology
[0002] Pipeline compensation devices are designed to address the thermal expansion and contraction of pipelines. They are indispensable components of pipelines and play a crucial role in ensuring their long-term normal operation as an important part of pipeline engineering. Existing compensation devices typically consist of flanges, bellows, and positioning screws. However, the bellows and positioning screws are usually exposed, and the non-metallic bellows are prone to aging due to prolonged exposure to wind and sun, affecting their service life. The screws are also susceptible to rust. Therefore, this application proposes an automatically recovering adaptive pipeline compensation device. Summary of the Invention
[0003] In view of the above situation and to overcome the shortcomings of the existing technology, this utility model provides an automatic recovery pipeline adaptive compensation device, which effectively solves the problem of poor protection effect of existing compensation devices.
[0004] To achieve the above objectives, this utility model provides the following technical solution: an automatic recovery pipeline adaptive compensation device, comprising a compensator body and a protective component, wherein the protective component is installed on the top of the compensator body, the compensator body is composed of a flange plate one, a flange plate two, an elastic bellows, an axial limiting sleeve, a plurality of first limiting components and a plurality of second limiting components, the elastic bellows is fixedly connected between flange plate one and flange plate two, the axial limiting sleeve is sleeved on the elastic bellows, the first limiting components are connected between flange plate one and the axial limiting sleeve, and the second limiting components are connected between flange plate two and the axial limiting sleeve, wherein the first limiting components and the second limiting components are staggered.
[0005] Both the first and second limiting components consist of a support, a long screw, an open threaded sleeve, a closed threaded sleeve, and a positioning sleeve. The support is fixedly connected to flange plate one and flange plate two, respectively. One end of the long screw is fixedly connected to the support. The open threaded sleeve and the closed threaded sleeve are connected to both ends of the long screw, respectively. The positioning sleeve is fixedly connected to the middle position of the inner sidewall of the axial limiting sleeve and is sleeved on the long screw.
[0006] Preferably, both ends of the outer surface of the axial limiting sleeve are fixedly provided with positioning supports, and one end of the positioning support is provided with a positioning hole.
[0007] Preferably, the protective assembly consists of a protective cover and two positioning components, which are respectively connected to both ends of the inner top surface of the protective cover and are respectively matched with two positioning supports.
[0008] Preferably, the protective cover has a semi-circular cross-section.
[0009] Preferably, the positioning assembly consists of a bolt mounting seat, a positioning rod, a pull plate, and a tension spring. The bolt mounting seat is connected to the inner wall of the protective cover by bolts. The positioning rod slides through the bolt mounting seat. The pull plate is fixedly connected to one end of the positioning rod. The tension spring is sleeved on the positioning rod and fixedly connected between the bolt mounting seat and the pull plate. One end of the positioning rod has a tapered structure.
[0010] Compared with the prior art, the beneficial effects of this utility model are:
[0011] (1) In operation, by setting up a compensator body consisting of flange plate one, flange plate two, elastic bellows, axial limiting sleeve, several first limiting components and several second limiting components, the compensator can achieve adaptive compensation by utilizing the elastic characteristics of the elastic bellows itself, and can also achieve automatic recovery, thereby protecting the pipeline. By setting up the first limiting component and the second limiting component consisting of support, long screw, open threaded sleeve, closed threaded sleeve and positioning sleeve, the limiting function can be achieved. The axial limiting sleeve can also protect the elastic bellows, long screw, open threaded sleeve and closed threaded sleeve.
[0012] (2) By setting up protective covers, positioning supports, positioning holes, and positioning components consisting of bolt mounting seats, positioning rods, pull plates and tension springs, the compensator body can be protected as a whole, slow down the aging of the elastic bellows, and effectively reduce the possibility of corrosion of long screws, open screw sleeves and closed screw sleeves. Attached Figure Description
[0013] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.
[0014] In the attached diagram:
[0015] Figure 1 is a schematic diagram of the automatic recovery pipeline adaptive compensation device of this utility model;
[0016] Figure 2 is a cross-sectional view of the automatic recovery pipeline adaptive compensation device of this utility model;
[0017] Figure 3 is a cross-sectional view of the compensator body of this utility model;
[0018] Figure 4 is a schematic diagram of the first limiting component of this utility model;
[0019] Figure 5 is a schematic diagram of the protective component structure of this utility model;
[0020] Figure 6 is a schematic diagram of the positioning component structure of this utility model;
[0021] In the diagram: 1. Compensator body; 2. Protective assembly; 3. Flange plate one; 4. Flange plate two; 5. Elastic bellows; 6. Axial limiting sleeve; 7. First limiting assembly; 8. Second limiting assembly; 9. Support; 10. Long screw; 11. Open threaded sleeve; 12. Closed threaded sleeve; 13. Positioning sleeve; 14. Positioning support; 15. Positioning hole; 16. Protective cover; 17. Positioning assembly; 18. Bolt mounting seat; 19. Positioning rod; 20. Pull plate; 21. Tension spring. Detailed Implementation
[0022] The technical solutions 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 only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0023] As shown in Figures 1 to 6, the present invention provides an automatic recovery pipeline adaptive compensation device, comprising a compensator body 1 and a protective component 2. The protective component 2 is installed at the top of the compensator body 1. The compensator body 1 is composed of a flange plate 1, a flange plate 2, an elastic bellows 5, an axial limiting sleeve 6, a plurality of first limiting components 7 and a plurality of second limiting components 8. The elastic bellows 5 is fixedly connected between the flange plate 1 and the flange plate 2. The axial limiting sleeve 6 is sleeved on the elastic bellows 5. The first limiting components 7 are connected between the flange plate 1 and the axial limiting sleeve 6. The second limiting components 8 are connected between the flange plate 2 and the axial limiting sleeve 6. The first limiting components 7 and the second limiting components 8 are staggered.
[0024] The axial limiting sleeve 6 works in conjunction with the first limiting component 7 and the second limiting component 8 to achieve axial limiting function, and the elastic bellows 5 achieves adaptive compensation function. Since the elastic bellows 5 is an elastic structure, it can achieve self-recovery.
[0025] The first limiting component 7 and the second limiting component 8 are both composed of a support 9, a long screw 10, an open threaded sleeve 11, a closed threaded sleeve 12 and a positioning sleeve 13. The support 9 is fixedly connected to the flange plate 3 and the flange plate 4 respectively. One end of the long screw 10 is fixedly connected to the support 9. The open threaded sleeve 11 and the closed threaded sleeve 12 are respectively connected to the two ends of the long screw 10. The positioning sleeve 13 is fixedly connected to the middle position of the inner side wall of the axial limiting sleeve 6 and is sleeved on the long screw 10.
[0026] The long screw 10 and the positioning sleeve 13 achieve axial limiting, and the open screw sleeve 11 and the closed screw sleeve 12 can adjust the compensation range to avoid damage to the elastic bellows 5 due to excessive compensation;
[0027] Both ends of the outer surface of the axial limiting sleeve 6 are fixedly provided with positioning supports 14. One end of the positioning support 14 is provided with a positioning hole 15, which can limit the installation of the protective component 2 and improve the stability of the protective component 2.
[0028] The protective component 2 consists of a protective cover 16 and two positioning components 17. The two positioning components 17 are respectively connected to the two ends of the inner top surface of the protective cover 16 and are respectively matched with two positioning supports 14. They can be connected to the positioning supports 14 to protect the compensator body 1.
[0029] The protective cover 16 has a semi-circular cross-section, which increases the protection range;
[0030] The positioning assembly 17 consists of a bolt mounting seat 18, a positioning rod 19, a pull plate 20, and a tension spring 21. The bolt mounting seat 18 is connected to the inner wall of the protective cover 16 by bolts. The positioning rod 19 slides through the bolt mounting seat 18. The pull plate 20 is fixedly connected to one end of the positioning rod 19. The tension spring 21 is sleeved on the positioning rod 19 and fixedly connected between the bolt mounting seat 18 and the pull plate 20. One end of the positioning rod 19 has a tapered structure.
[0031] When installing and removing the protective cover 16, manually pull the pull plate 20. At this time, the tension spring 21 contracts and the positioning rod 19 is displaced. During installation, the positioning rod 19 is inserted into the positioning hole 15. During removal, the positioning rod 19 is separated from the positioning hole 15.
[0032] In operation, the compensator body, composed of flange plate one, flange plate two, elastic bellows, axial limiting sleeve, several first limiting components, and several second limiting components, can achieve adaptive compensation by utilizing the elastic characteristics of the elastic bellows itself, and can also achieve automatic recovery, thereby protecting the pipeline. By setting the first and second limiting components, composed of supports, long screws, open threaded sleeves, closed threaded sleeves, and positioning sleeves, a limiting function can be achieved. The axial limiting sleeve can also protect the elastic bellows, long screws, open threaded sleeves, and closed threaded sleeves. By setting protective covers, positioning supports, positioning holes, and positioning components composed of bolt mounting seats, positioning rods, pull plates, and tension springs, the compensator body as a whole can be protected, slowing down the aging of the elastic bellows, and effectively reducing the possibility of corrosion of the long screws, open threaded sleeves, and closed threaded sleeves.
Claims
1. An automatically recovering pipeline adaptive compensation device, comprising a compensator body (1) and a protective component (2), characterized in that: The protective component (2) is installed on the top of the compensator body (1). The compensator body (1) is composed of flange plate one (3), flange plate two (4), elastic bellows (5), axial limiting sleeve (6), several first limiting components (7) and several second limiting components (8). The elastic bellows (5) is fixedly connected between flange plate one (3) and flange plate two (4). The axial limiting sleeve (6) is sleeved on the elastic bellows (5). The first limiting component (7) is connected between flange plate one (3) and axial limiting sleeve (6). The second limiting component (8) is connected between flange plate two (4) and axial limiting sleeve (6). The positioning component (7) and the second limiting component (8) are staggered structures. The first limiting component (7) and the second limiting component (8) are both composed of a support (9), a long screw (10), an open threaded sleeve (11), a closed threaded sleeve (12) and a positioning sleeve (13). The support (9) is fixedly connected to the first flange plate (3) and the second flange plate (4) respectively. One end of the long screw (10) is fixedly connected to the support (9). The open threaded sleeve (11) and the closed threaded sleeve (12) are respectively connected to the two ends of the long screw (10). The positioning sleeve (13) is fixedly connected to the middle position of the inner side wall of the axial limiting sleeve (6) and sleeved on the long screw (10).
2. The self-adaptive pipeline compensation device for automatic recovery according to claim 1, characterized in that: Both ends of the outer surface of the axial limiting sleeve (6) are fixedly provided with positioning supports (14), and one end of the positioning support (14) is provided with a positioning hole (15).
3. The self-adaptive pipeline compensation device for automatic recovery according to claim 2, characterized in that: The protective component (2) consists of a protective cover (16) and two positioning components (17). The two positioning components (17) are respectively connected to the two ends of the inner top surface of the protective cover (16) and are respectively matched with two positioning supports (14).
4. The self-adaptive pipeline compensation device for automatic recovery according to claim 3, characterized in that: The protective cover (16) has a semi-circular cross-section.
5. The self-adaptive pipeline compensation device for automatic recovery according to claim 3, characterized in that: The positioning assembly (17) consists of a bolt mounting seat (18), a positioning rod (19), a pull plate (20), and a tension spring (21). The bolt mounting seat (18) is connected to the inner wall of the protective cover (16) by bolts. The positioning rod (19) slides through the bolt mounting seat (18). The pull plate (20) is fixedly connected to one end of the positioning rod (19). The tension spring (21) is sleeved on the positioning rod (19) and fixedly connected between the bolt mounting seat (18) and the pull plate (20). One end of the positioning rod (19) has a tapered structure.