Hot melting plugging positioning tool for pipeline joint coating construction

Abstract

The utility model relates to the technical field of pipeline construction, in particular to a hot melting plugging positioning tool for pipeline joint coating construction, which comprises a first grip and a second grip, a spring is arranged between the first grip and the second grip, and first clamping plates are arranged on the front surface and the rear surface of the top end of the first grip. Second clamping plates are arranged on the front face and the rear face of the top end of the second grip correspondingly, the left ends of the first clamping plate and the second clamping plate are rotationally connected through a pin shaft, clamping heads are arranged at the right ends of the first clamping plate and the second clamping plate correspondingly, and clamping grooves are formed in the opposite clamping faces of the two clamping heads correspondingly. The two clamping grooves are spliced to form a clamping hole for clamping the hot melting plugging head, a mounting plate is arranged in the middle of the bottom end of the second clamping plate, and the mounting plate is connected with a limiting supporting frame making contact with the outer wall of the pipeline through a bolt assembly. Limiting is carried out through the limiting supporting frame, the hot melting plugging head can be prevented from being inserted too deep or too shallow, use is convenient, and working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline construction, in particular to a hot-melt plugging and positioning tool for pipeline patching construction. Background Art

[0002] When patching the traditional direct buried heating pipeline on site, the polyethylene outer sheath needs to be inserted into both ends of the patched pipe. After the hot melt is completed, the polyethylene patch outer sheath needs to be opened and the polyurethane foam insulation operation is performed. The polyethylene patch outer sheath needs to have two holes, injection holes and vent holes, opened at a certain interval. After the polyurethane injection and foaming are completed, the injection holes and vent holes need to be sealed in time to complete the entire patching process; however, in areas with high water levels, the poor sealing quality of the injection holes and vent holes is prone to water ingress and overall cracking. The traditional plugging method requires the experience of patching technicians to control the plugging depth. It is difficult to control the insertion depth of the plugging head, and there is a problem of uneven force during plugging. In order to improve the plugging quality of the injection holes and vent holes, this device is specially developed. Utility Model Content

[0003] The purpose of the utility model is to provide a hot-melt sealing positioning tool for pipeline patching construction, so as to solve the problem that the traditional sealing method mentioned in the background technology needs to rely on the experience of patching technicians to control the sealing depth, the insertion depth of the sealing head is difficult to control, and there is uneven force during sealing.

[0004] The utility model adopts the following technical solutions:

[0005] The utility model provides a hot-melt plugging positioning tool for pipeline patching construction, comprising a first grip and a second grip, wherein the second grip is arranged inside the first grip, a spring is arranged between the first grip and the second grip, one end of the spring is fixed to the inner wall of the first grip, and the other end is fixed to the outer wall of the second grip;

[0006] A first clamping plate is provided on the front and rear surfaces of the top end of the first handle, and a second clamping plate is provided on the front and rear surfaces of the top end of the second handle. The left ends of the first clamping plate and the second clamping plate are rotatably connected by a pin shaft, and the right ends of the first clamping plate and the second clamping plate are provided with clamping heads, and clamping grooves are provided on the relative clamping surfaces of the two clamping heads. The two clamping grooves are spliced ​​to form a supporting hole for clamping the hot-melt sealing head, and a mounting plate is provided in the middle of the bottom end of the second clamping plate, and the mounting plate is connected to a limiting support frame in contact with the outer wall of the pipeline through a bolt assembly.

[0007] Furthermore, the position-limiting support frame includes a sliding sleeve, which is arranged on the outer side of the first clamping plate, and the sliding sleeve is slidably matched with the mounting plate through the bolt assembly;

[0008] A pair of symmetrical supporting claws are arranged on the front and rear surfaces of the sliding sleeve, and the two supporting claws are in contact with the outer wall of the pipeline.

[0009] Furthermore, the mounting plate is provided with an elongated mounting hole, and the bolt assembly is mounted on the mounting hole.

[0010] Furthermore, the bolt assembly includes a bolt, the nut of the bolt abuts against the top of the mounting plate, the threaded end of the bolt passes through the mounting hole and the sliding sleeve in sequence and is threadedly connected to the fastening nut, and the fastening nut abuts against the bottom end of the sliding sleeve.

[0011] Furthermore, anti-slip grooves are provided in the clamping grooves.

[0012] Compared with the prior art, the beneficial technical effects of the utility model are:

[0013] The utility model limits the position by the limit support frame, which can prevent the hot melt sealing head from being inserted too deeply or too shallowly, is convenient to use, and greatly improves work efficiency. At the same time, the utility model has the characteristics of easy installation and carrying, and is easier to remove after the sealing is completed, and is not easy to damage the patch. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model will be further described below in conjunction with the accompanying drawings.

[0015] Figure 1 It is a structural schematic diagram of a hot-melt plugging and positioning tool for pipe patching construction in an embodiment of the utility model;

[0016] Figure 2 It is a cross-sectional view of a hot-melt plugging and positioning tool for pipe patching construction in an embodiment of the utility model;

[0017] Figure 3 It is a side view of a hot-melt plugging and positioning tool for pipe patching construction in an embodiment of the utility model;

[0018] Figure 4 It is a schematic diagram of the use of the hot-melt plugging and positioning tooling for pipe patching construction in the embodiment of the utility model;

[0019] Explanation of the accompanying drawings: 1. First handle; 2. Second handle; 3. Spring; 4. First clamping plate; 5. Second clamping plate; 6. Pin; 7. Clamping head; 701. Clamping groove; 702. Clamping hole; 8. Hot melt sealing head; 9. Limit support frame; 901. Sliding sleeve; 902. Support claw; 10. Mounting plate; 1001. Mounting hole; 11. Bolt assembly; 1101. Bolt; 1102. Fastening nut; 12. Pipeline. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0021] like Figures 1 to 3 As shown, this embodiment discloses a hot-melt plugging positioning tool for pipeline patching construction, comprising a first grip 1 and a second grip 2, wherein the second grip 2 is arranged inside the first grip 1, and a spring 3 is arranged between the first grip 1 and the second grip 2, wherein one end of the spring 3 is fixed to the inner wall of the first grip 1, and the other end is fixed to the outer wall of the second grip 2;

[0022] A first clamping plate 4 is provided on the front and rear surfaces of the top end of the first handle 1, and a second clamping plate 5 is provided on the front and rear surfaces of the top end of the second handle 2. The left ends of the first clamping plate 4 and the second clamping plate 5 are rotatably connected by a pin shaft 6, and the right ends of the first clamping plate 4 and the second clamping plate 5 are provided with a clamping head 7. Clamping grooves 701 are provided on the relative clamping surfaces of the two clamping heads 7. The two clamping grooves 701 are spliced ​​to form a supporting hole 702 for clamping the hot melt sealing head 8. A mounting plate 10 is provided in the middle of the bottom end of the second clamping plate 5, and the mounting plate 10 is connected to a limiting support frame 9 in contact with the outer wall of the pipe 12 through a bolt assembly 11.

[0023] In this embodiment, the position limiting support frame 9 includes a sliding sleeve 901, which is sleeved on the outer side of the first clamping plate 4, and the sliding sleeve 901 is slidably matched with the mounting plate 10 through a bolt assembly 11;

[0024] A pair of symmetrical support claws 902 are provided on the front and rear surfaces of the sliding sleeve 901 , and the two support claws 902 are in contact with the outer wall of the pipe 12 to prevent the hot melt sealing head 8 from being inserted too deeply or too shallowly into the pipe 12 .

[0025] In this embodiment, a long strip-shaped mounting hole 1001 is provided on the mounting plate 10, and the bolt assembly 11 is installed on the mounting hole 1001. The limiting support frame 9 can slide along the mounting hole 1001, so as to adjust the limiting support frame 9 to a suitable position.

[0026] In this embodiment, the bolt assembly 11 includes a bolt 1101, the nut of the bolt 1101 is against the top of the mounting plate 10, the threaded end of the bolt 1101 passes through the mounting hole 1001 and the sliding sleeve 901 in sequence and is threadedly connected with the fastening nut 1102, the fastening nut 1102 is against the bottom end of the sliding sleeve 901, and the limiting support frame 9 adjusted to a suitable position is fixed by the bolt assembly 11.

[0027] In this embodiment, anti-slip grooves are provided in the clamping grooves 701 to prevent the hot-melt sealing head 8 from slipping out of the clamping grooves 701 .

[0028] The use process of the utility model is as follows:

[0029] like Figure 4 As shown, first loosen the fastening nut 1102, adjust the sliding sleeve 901 to a suitable position, thereby adjusting the supporting claw 902 to a suitable position, and then fix the supporting claw 902 by fastening the nut 1102, and then hold the first handle 1 and the second handle 2 by hand to control the two clamping grooves 701 to open, and place the hot melt plugging head 8 in the middle of the two clamping grooves 701, and then loosen the second handle 2, and the second handle 2 rotates away from the first handle 1 under the action of the spring 3. In this process, the two clamping grooves 701 clamp the hot melt plugging head 8. Then move the hot melt plugging head 8 to the position to be blocked in the pipeline 12, insert the hot melt plugging head 8 into the injection hole and the venting hole, press the second handle 2 again to release the hot melt plugging head 8, and the injection hole and the venting hole at the pipeline patch position are blocked.

[0030] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A hot melt plugging and positioning tool for pipeline patching construction, characterized by: The invention comprises a first handle (1) and a second handle (2), wherein the second handle (2) is arranged inside the first handle (1), a spring (3) is arranged between the first handle (1) and the second handle (2), one end of the spring (3) is fixed to the inner wall of the first handle (1), and the other end is fixed to the outer wall of the second handle (2); A first clamping plate (4) is provided on the front and rear surfaces of the top end of the first handle (1), and a second clamping plate (5) is provided on the front and rear surfaces of the top end of the second handle (2). The left ends of the first clamping plate (4) and the second clamping plate (5) are rotatably connected via a pin shaft (6). The right ends of the first clamping plate (4) and the second clamping plate (5) are provided with clamping heads (7). The two clamping heads (7) are provided with clamping grooves (701) on the relative clamping surfaces. The two clamping grooves (701) are spliced ​​to form a supporting hole (702) for clamping a hot melt sealing head (8); A mounting plate (10) is provided in the middle of the bottom end of the second clamping plate (5), and the mounting plate (10) is connected to a limiting support frame (9) in contact with the outer wall of the pipeline (12) via a bolt assembly (11).

2. The hot-melt plugging and positioning tool for pipeline patching construction according to claim 1 is characterized in that: The position-limiting support frame (9) comprises a sliding sleeve (901), wherein the sliding sleeve (901) is sleeved on the outer side of the first clamping plate (4), and the sliding sleeve (901) is slidably matched with the mounting plate (10) through the bolt assembly (11); A pair of symmetrical support claws (902) are provided on the front and rear surfaces of the sliding sleeve (901), and the two support claws (902) are in contact with the outer wall of the pipe (12).

3. The hot-melt plugging and positioning tool for pipeline patching construction according to claim 2 is characterized in that: The mounting plate (10) is provided with a long strip-shaped mounting hole (1001), and the bolt assembly (11) is mounted on the mounting hole (1001).

4. The hot-melt plugging and positioning tool for pipeline patching construction according to claim 3 is characterized in that: The bolt assembly (11) comprises a bolt (1101), the nut of the bolt (1101) abuts against the top end of the mounting plate (10), the threaded end of the bolt (1101) passes through the mounting hole (1001) and the sliding sleeve (901) in sequence and is threadedly connected with a fastening nut (1102), and the fastening nut (1102) abuts against the bottom end of the sliding sleeve (901).

5. The hot-melt plugging and positioning tool for pipeline patching construction according to claim 1 is characterized in that: The clamping grooves (701) are all provided with anti-slip grooves.

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