Mechanical flame-shrinking device for heat-shrinkable tapes

Abstract

The utility model discloses a kind of heat shrinkable tape mechanical flame shrinkage devices, comprising: fixed ring is arranged on the mounting ring frame of pipeline, and rotating frame is movably defined on the mounting ring frame;Rotating frame is provided with corresponding flame spray gun with pipeline;Mounting ring frame is provided with guide rail;Rotating frame includes slidingly defined on the walking guide plate of guide rail, and walking guide plate is connected with arc mounting bracket by extension frame, and arc mounting bracket is provided with the interface frame arranged along the radial trajectory of rotating frame;Interface frame is provided with flame spray gun.The utility model discloses a kind of heat shrinkable tape mechanical flame shrinkage device, can be supported by the structure of pipeline, and provide guide rail for the device of flame injection, provide a balanced heating for the heat shrinkable tape of jointing, improve the balanced performance of jointing heat shrinkable tape.

Description

Technical Field

[0001] This utility model relates to the field of heat shrinkable material application technology, and in particular to a mechanical flame shrinkage device for heat shrinkable tape. Background Technology

[0002] In the field of heat shrinkable materials for corrosion protection of steel pipelines used for oil and gas transportation, the heat shrinkable tape rolled on the pipeline is usually heated by a flame gun with a single nozzle, so that the heat shrinkable tape is wrapped around the corresponding position of the pipeline.

[0003] However, existing handheld flame guns are bulky and their operation depends on the operator's heating skills. When using support equipment to support the flame gun, it is not convenient to adjust the heating position of the nozzle. Furthermore, it is not convenient to control the spacing between the heating nozzle of the flame gun, the heated pipe, and the heat shrinkable tape. When the heating spacing is unstable, it is easy to cause uneven heating of the heat shrinkable tape, which in turn affects the shrinkage effect. Utility Model Content

[0004] This invention overcomes the shortcomings of the prior art and provides a mechanical flame shrinking device for heat shrinkable tape. It can use the structure of the pipe as support and provide a guide track for the flame jetting device, so as to provide a uniform heating for the heat shrinkable tape and improve the uniform shrinking performance of the heat shrinkable tape.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a heat shrinkable tape mechanical flame shrinking device, comprising: a mounting ring frame fixed on a pipe, a rotating frame movably limited on the mounting ring frame; a flame gun corresponding to the pipe is provided on the rotating frame; a guide rail is provided on the mounting ring frame; the rotating frame includes a traveling guide plate slidably limited on the guide rail, the traveling guide plate is connected to an arc-shaped mounting frame through an extension frame, a connecting frame arranged along the radial trajectory of the rotating frame is provided on the arc-shaped mounting frame; and a flame gun is provided on the connecting frame.

[0006] In a preferred embodiment of this utility model, the mounting ring includes a curved plate and fixing blocks disposed at both ends of the curved plate. The curved plate is sleeved on the pipe, and the fixing blocks at both ends of the curved plate are connected by connectors to lock the open curved plate around the corresponding pipe.

[0007] In a preferred embodiment of this utility model, the guide rail is provided with evenly distributed, spaced rail teeth. On the side of the guide plate closest to the guide rail, a traveling gear is rotatably connected via a rotating shaft. The traveling gear meshes with the corresponding grooves of the rail. The rotating frame is pushed by external force, causing the traveling gear to move back to its original position along the grooves of the guide rail.

[0008] In a preferred embodiment of this utility model, the arc-shaped mounting bracket is a semi-circular structure with a diameter larger than that of the pipe, and connecting brackets are provided at both ends of the arc-shaped mounting bracket.

[0009] In a preferred embodiment of this invention, the flame gun is slidably fixed on the connecting frame by a slider.

[0010] In a preferred embodiment of this utility model, a slide rail is also provided on the mounting ring frame, and a slide groove that is slidably limited on the slide rail is provided on the traveling guide plate.

[0011] In a preferred embodiment of this utility model, a ferromagnetic block is provided on the walking guide plate, and the ferromagnetic block causes the walking guide plate to be attracted and confined to the outside of the pipe.

[0012] In a preferred embodiment of the present invention, the rotating frame includes a pair of opposing walking guide plates, one of which is fixedly connected to the arc-shaped mounting frame via an extension frame. Another travel guide plate is assembled on the extension frame via an arc-shaped mating mounting bracket; so that a pair of travel guide plates are mated and embraced on the guide rail of the mounting ring frame.

[0013] In a preferred embodiment of this utility model, a curved cavity is provided on the side of the walking guide plate near the mounting ring frame, and the walking gear is rotatably connected in the curved cavity.

[0014] Compared with the prior art, the beneficial effects achieved by this utility model are as follows: This utility model discloses a mechanical flame shrinking device for heat shrinkable tape, which can use the structure of the pipe as support and provide a guide track for the flame jetting device, so as to provide a uniform heating for the heat shrinkable tape and improve the uniform shrinking performance of the heat shrinkable tape. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0016] Figure 1 This is an axial view of the mechanical flame shrinking device for heat shrinkable tape of this utility model. Figure 1 ; Figure 2 This is an axial view of the mechanical flame shrinking device for heat shrinkable tape of this utility model. Figure 2 ; Figure 3 This is an axial view of the mechanical flame shrinking device for heat shrinkable tape of this utility model. Figure 3 ; Figure 4 This is an axial view of the mechanical flame shrinking device for heat shrinkable tape of this utility model. Figure 4 ; Figure 5This is an axial view of the mechanical flame shrinking device for heat shrinkable tape of this utility model. Figure 5 ; Figure 6 This is a schematic diagram of the assembly structure of the rotating frame and mounting ring of the heat shrinkable tape mechanical flame shrinking device of this utility model; Figure 7 This is an axial view of the mechanical flame shrinking device for heat shrinkable tape of this utility model. Figure 7 ; Figure 8 This is a schematic diagram of the left side of the mechanical flame shrinking device for heat shrinkable tape of this utility model; Figure 9 This is a schematic diagram of the right side of the mechanical flame shrinking device for heat shrinkable tape of this utility model; Figure 10 This is a schematic diagram of the assembly structure of the traveling gear and traveling guide plate of the heat shrinkable tape mechanical flame shrinking device of this utility model; The components include: 1. Mounting ring frame; 2. Guide rail; 21. Rail tooth groove; 3. Rotating frame; 31. Arc-shaped mounting frame; 32. Connecting frame; 321. Slider; 33. Traveling guide plate; 34. Traveling gear; 35. Rotating shaft; 36. Extension frame; 37. Matching mounting frame; 4. Flame gun; 5. Pipe; 6. Heat shrink tape; 7. Fixing block. Detailed Implementation

[0017] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the embodiments of the present invention and the specific features therein are detailed descriptions of the present invention, rather than limitations thereof. In the absence of conflict, the embodiments of the present invention and the technical features therein can be combined with each other.

[0018] The term "and / or" simply describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone. Additionally, the character " / " generally indicates that the preceding and following related objects have an "or" relationship.

[0019] Example 1, as Figures 1-6 , Figure 10 As shown, a heat shrinkable tape mechanical flame shrinking device includes: a mounting ring 1 fixedly mounted on a pipe 5, a rotating frame 3 movably limited on the mounting ring 1; and a flame gun 4 corresponding to the pipe 5 mounted on the rotating frame 3.

[0020] Specifically, the mounting ring frame 1 is equipped with a guide rail 2; the mounting ring frame 1 includes a curved plate and fixing blocks 7 at both ends of the curved plate. The curved plate is fitted onto the pipe 5, and the fixing blocks 7 at both ends of the curved plate are connected by connectors to lock the open curved plate around the corresponding pipe 5. The guide rail 2 has evenly distributed and spaced track grooves 21.

[0021] Specifically, the rotating frame 3 includes an arc-shaped mounting bracket 31, a connecting bracket 32, a traveling guide plate 33, and an extension bracket 36 arranged in an I-shape. Further, the traveling guide plate 33 is slidably confined on the guide rail 2. A traveling gear 34 is rotatably connected to the side of the traveling guide plate 33 near the guide rail 2 via a rotating shaft 35. In this embodiment, a curved cavity is provided on the side of the traveling guide plate 33 near the mounting ring 1, and the traveling gear 34 is rotatably connected in the curved cavity; the traveling gear 34 meshes with the rail tooth groove 21.

[0022] Furthermore, the traveling guide plate 33 is connected to the arc-shaped mounting frame 31 via an outwardly extending extension frame 36. The arc-shaped mounting frame 31 is a semi-circular structure with a diameter larger than that of the pipe 5, and connecting frames 32 arranged along the radial trajectory of the rotating frame 3 are respectively provided at both ends of the arc-shaped mounting frame 31. The flame gun 4 is slidably limited on the connecting frame 32 by the slider 321. In this embodiment, each connecting frame 32 is provided with a pair of flame guns 4, and the position and spacing of adjacent flame guns 4 on the connecting frame 32 are adjusted by the slider 321. Furthermore, the flame gun 4 adopts the flame gun of the prior art. The selection of flame gun models will not be listed or elaborated here, as long as it can basically achieve the heating and heat shrinking of the heat shrinkable tape 6 sleeved or wound on the pipe 5. The installation and connection of the flame gun 4 adopts the fixed installation method limited by the technology. As long as the flame gun 4 can be fixedly connected to the slider 321, and the nozzle of the flame gun 4 faces the surface of the heat shrinkable tape 6 on the pipe 5.

[0023] Working principle: The open curved plate of the mounting ring 1 is placed on the pipe 5, and the fixing blocks 7 at both ends of the curved plate are connected by the connector, so that the curved plate of the mounting ring 1 is locked around the corresponding pipe 5.

[0024] Manually grasp the rotating frame 3 and push it with external force to make the traveling guide plate 33 of the rotating frame 3 fit against the guide rail 2 of the mounting ring frame 1. Guided by the guide rail 2, the rotating frame 3, pushed by external force, drives the traveling gear 34 to move back and forth along the track tooth groove 21 in the guide rail 2 along the circumference of the mounting ring frame 1, realizing the stable displacement of the circumferential heat shrink position of the pipe 5. Adjust the position and spacing of the adjacent flame spray guns 4 on the connecting frame 32 by using the slider 321, thereby adjusting the radial heat shrink heating position on the pipe 5.

[0025] Example 2, based on Example 1, such as Figures 1-10 As shown, the rotating frame 3 includes a pair of opposing travel guide plates 33. One travel guide plate 33 is fixedly connected to the arc-shaped mounting frame 31 via an extension frame 36; the other travel guide plate 33 is assembled onto the extension frame 36 via an arc-shaped mating mounting frame 37; thus, the pair of opposing travel guide plates 33 are mated and encircled on the guide rail 2 of the mounting ring frame 1. In this embodiment, the curved plate is a metal plate that is easy to bend and fix.

[0026] Working principle: The open curved plate of the mounting ring 1 is placed on the pipe 5, and the fixing blocks 7 at both ends of the curved plate are connected by the connector, so that the curved plate of the mounting ring 1 is locked around the corresponding pipe 5.

[0027] A pair of traveling guide plates 33 are arranged facing each other on the guide rail 2 of the mounting ring frame 1. Specifically, the arc-shaped mating mounting frame 37 is assembled onto the extension frame 36 using fasteners and screws, so that the mating traveling guide plates 33 are confined to the mounting ring frame 1 in an embracing position. The rotating frame 3 is pushed by external force, causing the traveling gear 34 to move backward along the track groove 21 in the guide rail 2, achieving stable displacement of the circumferential heat-shrinkable position of the pipe 5. The position and spacing of adjacent flame guns 4 on the connecting frame 32 are adjusted by the slider 321, thereby adjusting the radial heat-shrinkable position of the pipe 5.

[0028] This embodiment of a heat shrinkable tape mechanical flame shrinking device can use the structure of the pipe 5 as support and provide a guide track for the flame jetting device, and provide a uniform heating for the heat shrinkable tape 6 sleeved or wound on the pipe 5, thereby improving the uniform shrinking performance of the heat shrinkable tape 6.

[0029] In Example 3, based on Example 1 or Example 2, a slide rail is also provided on the mounting ring frame 1, and a slide groove that is slidably limited on the slide rail is provided on the traveling guide plate 33.

[0030] Working principle: The sliding displacement is limited by the interlocking shape of the track and the slide. The rotating frame 3 is pushed by external force, which drives the traveling gear 34 to move back and forth along the track tooth groove 21 in the guide track 2 along the circumference of the mounting ring frame 1, so as to achieve a stable displacement of the circumferential heat shrink position of the pipe 5. The position and spacing of the adjacent flame spray guns 4 on the connecting frame 32 are adjusted by the slider 321, thereby adjusting the radial heat shrink position on the pipe 5. This embodiment can use the structure of the pipe 5 as a support and provide a guide track for the flame spraying device, and provide a uniform heating for the heat shrink tape 6 sleeved or wound on the pipe 5, thereby improving the uniformity of the shrinkage of the heat shrink tape 6.

[0031] In Example 4, based on Example 1, Example 2, or Example 3, a ferromagnetic block is provided on the walking guide plate 33, which is attracted and confined to the outside of the pipe 5 by the ferromagnetic block.

[0032] Working principle: The magnetic attraction between the ferromagnetic block and the pipe body achieves a limited sliding displacement. The rotating frame 3, driven by external force, moves the traveling gear 34 along the track groove 21 in the guide rail 2, reciprocating around the mounting ring 1, thus achieving a stable circumferential displacement of the heat-shrinkable position of the pipe 5. The position and spacing of adjacent flame guns 4 on the connecting frame 32 are adjusted by the slider 321, thereby adjusting the radial heat-shrinkable position of the pipe 5. This embodiment utilizes the structure of the pipe 5 as support and provides a guide rail for the flame jetting device, providing even heating for the heat-shrinkable patch 6 fitted or wound on the pipe 5, improving the evenness of the heat-shrinkable patch 6's shrinkage.

[0033] In Example 5, based on any of Examples 1 to 4, the track tooth groove 21 can adopt uniformly spaced square holes; or, the track tooth groove 21 can adopt uniformly spaced square grooves (i.e., blind grooves or blind holes). In this example, square holes (i.e., square through grooves, where the meshing depth of the teeth of the traveling gear 34 in the square through groove does not affect the surface of the pipe 5) are preferred. However, it is not limited to this, as long as it can achieve meshing with the teeth of the traveling gear 34.

[0034] Based on the preferred embodiments of this utility model, and through the above description, those skilled in the art can make various changes and modifications without departing from the inventive concept. The technical scope of this invention is not limited to the contents of the specification, but must be determined according to the claims.

Claims

1. A heat-shrinkable tape mechanical flame shrinking device, characterized in that, include: A mounting ring is fixed on a pipe, and a rotating frame is movably limited on the mounting ring; a flame gun corresponding to the pipe is mounted on the rotating frame. The mounting ring frame is equipped with a guide rail; The rotating frame includes a traveling guide plate that is slidably limited on the guide rail. The traveling guide plate is connected to an arc-shaped mounting frame via an extension frame. The arc-shaped mounting frame is provided with connecting frames arranged along the radial trajectory of the rotating frame. A flame gun is provided on the connecting frame.

2. The heat shrinkable tape mechanical flame shrinking device according to claim 1, characterized in that: The mounting ring includes a curved plate and fixing blocks at both ends of the curved plate. The curved plate is fitted onto the pipe, and the fixing blocks at both ends of the curved plate are connected by connectors to lock the open curved plate around the corresponding pipe.

3. The heat shrinkable tape mechanical flame shrinking device according to claim 2, characterized in that: The guide rail is evenly distributed with spaced rail teeth. The walking guide plate is rotatably connected to a walking gear on the side near the guide rail via a rotating shaft. The walking gear meshes with the corresponding groove of the rail. The rotating frame is pushed by external force, which drives the walking gear to move back along the groove of the rail in the guide rail.

4. The heat shrinkable tape mechanical flame shrinking device according to claim 3, characterized in that: The arc-shaped mounting bracket is a semi-circular structure with a diameter larger than that of the pipe, and the connecting brackets are respectively provided at both ends of the arc-shaped mounting bracket.

5. The heat shrinkable tape mechanical flame shrinking device according to claim 4, characterized in that: The flame gun is slidably secured on the connecting frame by a slider.

6. The heat shrinkable tape mechanical flame shrinking device according to claim 1, characterized in that: The mounting ring frame is also provided with a slide rail, and the traveling guide plate is provided with a sliding groove that is slidably limited on the slide rail.

7. The heat shrinkable tape mechanical flame shrinking device according to claim 1 or 6, characterized in that: The walking guide plate is provided with a ferromagnetic block, which causes the walking guide plate to be attracted and confined to the outside of the pipe.

8. The heat shrinkable tape mechanical flame shrinking device according to claim 1, characterized in that: The rotating frame includes a pair of opposing travel guide plates, one of which is fixedly connected to the arc-shaped mounting frame via an extension frame; Another travel guide plate is assembled on the extension frame via an arc-shaped mating mounting bracket; such that a pair of travel guide plates are mated and encircled on the guide rail of the mounting bracket.

9. The heat shrinkable tape mechanical flame shrinking device according to claim 3, characterized in that: The walking guide plate has a curved cavity on the side near the mounting ring frame, and the walking gear is rotatably connected in the curved cavity.

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