Heat shrinkable sleeve for pipe anticorrosion

Abstract

The utility model relates to pipeline anticorrosion engineering technical field discloses a kind of heat shrink sleeve for pipeline anticorrosion, including protective assembly, the protective assembly includes shrink sleeve body, the both sides of shrink sleeve body are fixedly connected with fixed sleeve by connecting ring.The utility model cooperates operation by the cooperation of fixed sleeve, fixed ring, movable ring and connecting sleeve in protective assembly and shrink assembly, fixed sleeve is adhered to pipeline outer wall with shrink sleeve body by connecting ring, when rotating movable ring, its bottom connecting sleeve rotates along the mounting base of fixed ring, drives movable ring and fixed ring to collectively wrap fixed sleeve from outside, so that shrink sleeve body forms preliminary adhesion fixed with pipeline damaged area quickly, avoid shrink sleeve body from deviating in subsequent operation, provide stable basis for subsequent locking, the cooperative adhesion of fixed sleeve and shrink sleeve body can preliminary isolate external corrosive medium from contacting pipeline damaged part, realize preliminary anticorrosion protection, improve operation convenience and preliminary protection reliability.

Description

Technical Field

[0001] This utility model relates to the field of pipeline corrosion protection engineering technology, and in particular to a heat shrink sleeve for pipeline corrosion protection. Background Technology

[0002] With the rapid development of industries such as petrochemicals, municipal water supply, and natural gas transmission, long-distance pipeline transportation has become an important medium transmission method. However, pipelines are exposed underground or outdoors for a long time and are prone to damage to their outer walls due to corrosion, external impact, etc., requiring timely anti-corrosion repair. When performing anti-corrosion repair on the damaged parts of the outer walls of various transmission pipelines such as oil pipelines, natural gas pipelines, and municipal water supply pipelines, heat shrinkable sleeves for pipeline anti-corrosion are needed. In practical use, similar heat shrinkable sleeves for pipeline corrosion protection still have many defects. For example, traditional heat shrinkable sleeves for pipeline corrosion protection mostly rely on manual direct application and positioning, lacking a dedicated initial fixing structure. After application, they are prone to displacement during the subsequent locking process, resulting in inaccurate alignment between the shrinkable sleeve and the damaged area of ​​the pipeline, or even gaps in the application, affecting the corrosion protection effect. At the same time, the locking structure of traditional heat shrinkable sleeves for pipeline corrosion protection often requires the use of external tools such as bolts, which is cumbersome and inconvenient to disassemble. After locking, they are prone to loosening due to vibration and other factors, resulting in gaps between the shrinkable sleeve and the pipeline. Corrosive media can then seep in and destroy the corrosion protection effect. Therefore, it is necessary to design a heat shrinkable sleeve for pipeline corrosion protection. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a heat shrink sleeve for pipeline corrosion protection.

[0004] This utility model is achieved using the following technical solution: a heat shrinkable sleeve for pipeline corrosion protection, comprising a protective component, wherein the protective component includes a shrinkable sleeve body, and fixing sleeves are fixedly connected to both sides of the shrinkable sleeve body via connecting rings, and further comprising: A shrinking assembly, the shrinking assembly including a fixing ring fixedly connected to the outer surface of a fixing sleeve, the outer surface of the fixing ring being rotatably connected to a connecting frame via a connecting seat; A fixing component, the fixing component including a locking seat rotatably connected inside the connecting frame, the bottom of the locking seat being provided with a movable ring rotatably connected to the outer surface of the fixing ring.

[0005] As a further improvement to the above solution, the rear end of the fixing ring is fixedly connected to a mounting base, and the front end of the fixing ring is fixedly connected to a connecting base.

[0006] The above technical solution uses a fixed mounting base at the rear end of the fixed ring and a fixed connecting base at the front end. The mounting base provides a stable support foundation for the rotation of the movable ring, and the connecting base provides a mounting fulcrum for the rotation of the connecting frame. This makes the rotation of the movable ring and the connecting frame smoother and provides structural assurance for the reliability of subsequent initial fixing and locking operations.

[0007] As a further improvement to the above solution, a connecting frame is rotatably connected to the outer surface of the connecting seat, and a locking seat is rotatably connected to the inside of the connecting frame.

[0008] The above technical solution allows the connecting frame to rotate on the outer surface of the connecting seat, and the locking seat to rotate inside the connecting frame. This enables the connecting frame to rotate flexibly around the connecting seat, and the locking seat to adjust its position as the connecting frame rotates. This allows the locking plate to quickly rotate to the surface of the movable ring, improving the convenience of the locking operation and shortening the fixing time.

[0009] As a further improvement to the above solution, a locking plate is fixedly connected to the outer surface of the locking seat, and a locking sleeve is fixedly connected to the locking plate.

[0010] The above technical solution involves fixing a locking plate to the outer surface of the locking seat and fixing a locking sleeve to the locking plate. This increases the contact area between the locking seat and the moving ring, and the locking sleeve forms a wrapping lock on the moving ring, thereby enhancing the stability of the locking structure and preventing the connection between the fixed ring and the moving ring from becoming loose.

[0011] As a further improvement to the above solution, the bottom of the locking seat is rotatably connected to the outer surface of the movable ring, and a connecting sleeve is fixedly connected to the bottom of the movable ring.

[0012] Through the above technical solution, the bottom of the locking seat is rotatably connected to the movable ring and the bottom of the movable ring is fixedly connected to the sleeve. When the movable ring is rotated, the locking seat can be adjusted in time. The connecting sleeve provides rotation guidance for the movable ring, so that the movable ring can be accurately attached to the fixed sleeve, ensuring the fitting accuracy between the shrink sleeve body and the pipe during the initial fixing.

[0013] As a further improvement to the above solution, the connecting sleeve is rotatably connected to the inside of the mounting base, and a locking sleeve is fitted onto the outer surface of the movable ring.

[0014] Through the above technical solution, the connecting sleeve is rotatably connected to the inside of the mounting base, and the locking sleeve can be sleeved on the outer surface of the movable ring. The connecting sleeve restricts the rotation trajectory of the movable ring, preventing the movable ring from deviating. After the locking sleeve is sleeved, a double fixation is formed, thereby further enhancing the connection reliability between the fixed ring and the movable ring and preventing the formation of fitting gaps.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: This invention utilizes the coordinated operation of the protective component and the shrinkage component, including the fixed sleeve, fixed ring, movable ring, and connecting sleeve. The fixed sleeve, through the connecting ring, adheres to the outer wall of the pipe along with the shrinkage sleeve body. When the movable ring is rotated, its bottom connecting sleeve rotates along the mounting seat of the fixed ring, causing the movable ring and the fixed ring to jointly wrap around the fixed sleeve from the outside. This allows the shrinkage sleeve body to quickly form an initial fit and fixation with the damaged area of ​​the pipe, preventing the shrinkage sleeve body from shifting during subsequent operations and providing a stable foundation for subsequent locking. At the same time, the coordinated fit between the fixed sleeve and the shrinkage sleeve body can initially isolate external corrosive media from contacting the damaged part of the pipe, achieving initial anti-corrosion protection and improving operational convenience and initial protection reliability.

[0016] This invention utilizes the coordinated operation of the connecting frame, locking seat, locking plate, and locking sleeve in the shrinking and fixing components. Rotating the connecting frame causes the locking seat and locking plate to rotate to the surface of the movable ring, allowing the locking sleeve to be fitted onto the outer surface of the movable ring and simultaneously wrapping the locking plate and the movable ring. This causes the fixed ring and the movable ring to form a firm connection, thereby making the fixed sleeve fit more tightly against the outer wall of the pipe. This ensures that the shrinking sleeve body stably covers the damaged area, preventing corrosive media from seeping in through gaps in the fit, and achieving reliable anti-corrosion protection for damaged parts of the pipe. At the same time, the coordinated design of the locking structure makes the fixing operation simple and efficient, allowing for firm fixing without complicated tools, thus improving the flexibility of the device and the durability of the anti-corrosion effect. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of the present utility model; Figure 3 This utility model Figure 2 Enlarged schematic diagram of the structure at point A; Figure 4 This is a schematic diagram of the fixing component structure of this utility model; Figure 5 This utility model Figure 4 Enlarged schematic diagram of the structure at point B.

[0018] Explanation of key symbols: 1. Protective component; 101. Shrink sleeve body; 102. Fixing sleeve; 103. Connecting ring; 2. Shrink assembly; 201. Fixing ring; 202. Mounting base; 203. Connecting base; 204. Connecting frame; 3. Fixing assembly; 301. Locking base; 302. Locking plate; 303. Locking sleeve; 304. Movable ring; 305. Connecting sleeve. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0020] Example: Please combine Figure 1-5 This embodiment of a heat shrinkable sleeve for pipeline corrosion protection includes a protective component 1. The protective component 1 includes a shrinkable sleeve body 101, and fixed sleeves 102 are fixedly connected to both sides of the shrinkable sleeve body 101 through connecting rings 103. It also includes: Shrink assembly 2, which includes a fixed ring 201 fixedly connected to the outer surface of the fixed sleeve 102, and a connecting frame 204 rotatably connected to the outer surface of the fixed ring 201 via a connecting seat 203; The fixing component 3 includes a locking seat 301 rotatably connected inside the connecting frame 204, and a movable ring 304 rotatably connected to the outer surface of the fixing ring 201 is provided at the bottom of the locking seat 301.

[0021] The rear end of the fixing ring 201 is fixedly connected to the mounting base 202, and the front end of the fixing ring 201 is fixedly connected to the connecting base 203.

[0022] A connecting bracket 204 is rotatably connected to the outer surface of the connecting base 203, and a locking base 301 is rotatably connected to the inside of the connecting bracket 204.

[0023] A locking plate 302 is fixedly connected to the outer surface of the locking seat 301, and a locking sleeve 303 is fixedly connected to the locking plate 302.

[0024] The bottom of the locking seat 301 is rotatably connected to the outer surface of the movable ring 304, and the bottom of the movable ring 304 is fixedly connected to the connecting sleeve 305.

[0025] The connecting sleeve 305 is rotatably connected to the inside of the mounting base 202, and the outer surface of the movable ring 304 is fitted with a locking sleeve 303.

[0026] Through the coordinated operation of the shrinking component 2 and the fixing component 3, the shrinking sleeve body 101 is driven to form a firm fit with the pipe. After the movable ring 304 is attached to the fixing sleeve 102, the connecting frame 204 on the outer surface of the connecting seat 203 is rotated. The connecting frame 204 drives the locking seat 301 inside it to rotate synchronously until the locking plate 302 on the outer surface of the locking seat 301 rotates to the outer surface of the movable ring 304. At this time, the locking sleeve 303 on the locking plate 302 is fitted onto the outer surface of the movable ring 304, so that the locking sleeve 303 simultaneously wraps the locking plate 302 and the movable ring 304, thereby realizing a firm connection between the fixing ring 201 and the movable ring 304.

[0027] The implementation principle of a heat shrinkable sleeve for pipeline corrosion protection in this embodiment is as follows: through the cooperative operation of the protective component 1 and the shrinkable component 2, the shrinkable sleeve body 101 is driven to form a preliminary fit with the pipeline. The shrinkable sleeve body 101 is sleeved on the damaged area of ​​the outer surface of the pipeline, so that the fixed sleeves 102 on both sides are attached to the outer wall of the pipeline along with the shrinkable sleeve body 101 through the connecting ring 103. At this time, the fixed ring 201 on the outer surface of the fixed sleeve 102 is simultaneously located on the outside of the fixed sleeve 102, providing a support base for subsequent fixing operations. Then, the movable ring 304 is rotated, and the connecting sleeve 305 at the bottom of the movable ring 304 rotates in the mounting seat 202 at the rear end of the fixed ring 201 until the movable ring 304 is completely attached to the outer surface of the fixed sleeve 102, so that the fixed ring 201 and the movable ring 304 wrap around the fixed sleeve 102 from the outside, driving the shrinkable sleeve body 101 to be initially fixed at the damaged position of the pipeline, preventing the shrinkable sleeve body 101 from shifting, and providing a stable structural base for subsequent locking operations. Through the coordinated operation of the shrinking component 2 and the fixing component 3, the shrinking sleeve body 101 is driven to form a firm fit with the pipeline. After the movable ring 304 is attached to the fixing sleeve 102, the connecting frame 204 on the outer surface of the connecting seat 203 is rotated. The connecting frame 204 drives the locking seat 301 inside it to rotate synchronously until the locking plate 302 on the outer surface of the locking seat 301 rotates to the outer surface of the movable ring 304. At this time, the locking sleeve 303 on the locking plate 302 is fitted onto the outer surface of the movable ring 304, so that the locking sleeve 303 simultaneously wraps the locking plate 302 and the movable ring 304, thereby achieving a firm connection between the fixing ring 201 and the movable ring 304. This further drives the fixing sleeve 102 to fit tightly against the outer wall of the pipeline, and finally allows the shrinking sleeve body 101 to stably and tightly cover the damaged area of ​​the pipeline, achieving reliable protection for the damaged parts of the pipeline and preventing the pipeline from being corroded by external corrosive media.

[0028] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A heat shrinkable sleeve for pipeline corrosion protection, comprising a protective component (1), wherein the protective component (1) includes a shrinkable sleeve body (101), and fixing sleeves (102) are fixedly connected to both sides of the shrinkable sleeve body (101) via connecting rings (103), characterized in that, Also includes: Shrink assembly (2), the shrink assembly (2) includes a fixing ring (201) fixedly connected to the outer surface of the fixing sleeve (102), and the outer surface of the fixing ring (201) is rotatably connected to the connecting frame (204) through the connecting seat (203); The fixing component (3) includes a locking seat (301) rotatably connected to the inside of the connecting frame (204), and the bottom of the locking seat (301) is provided with a movable ring (304) rotatably connected to the outer surface of the fixing ring (201).

2. The heat shrinkable sleeve for pipeline corrosion protection as described in claim 1, characterized in that: The rear end of the fixed ring (201) is fixedly connected to the mounting base (202), and the front end of the fixed ring (201) is fixedly connected to the connecting base (203).

3. The heat shrinkable sleeve for pipeline corrosion protection as described in claim 2, characterized in that: The outer surface of the connecting seat (203) is rotatably connected to the connecting frame (204), and the interior of the connecting frame (204) is rotatably connected to the locking seat (301).

4. A heat shrinkable sleeve for pipeline corrosion protection as described in claim 3, characterized in that: A locking plate (302) is fixedly connected to the outer surface of the locking seat (301), and a locking sleeve (303) is fixedly connected to the locking plate (302).

5. A heat shrinkable sleeve for pipeline corrosion protection as described in claim 4, characterized in that: The bottom of the locking seat (301) is rotatably connected to the outer surface of the movable ring (304), and the bottom of the movable ring (304) is fixedly connected to the connecting sleeve (305).

6. A heat shrinkable sleeve for pipeline corrosion protection as described in claim 5, characterized in that: The connecting sleeve (305) is rotatably connected to the inside of the mounting base (202), and the outer surface of the movable ring (304) is fitted with a locking sleeve (303).

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