Weldable split type leaking stoppage device

Abstract

The utility model relates to the technical field of leaking stoppage, and discloses a weldable split type leaking stoppage device which comprises a main pipeline, an emptying valve is arranged on the main pipeline, a leaking stoppage device body is arranged above the main pipeline, and the leaking stoppage device body comprises a leaking stoppage part. The leaking stoppage part comprises a cylinder body, a bottom support, a connecting bolt and a trapezoidal plate, the bottom surface of the trapezoidal plate is fixedly connected with the top surface of the bottom support, and the outer surface of the bottom end of the cylinder body is matched with the inner wall of the trapezoidal plate. According to the weldable split type leaking stoppage device, the barrel, the bottom supports, the screwed plugs, the connecting bolts and the trapezoidal plates are arranged, the two bottom supports are spliced through the connecting bolts, follow-up welding is facilitated, and by means of the trapezoidal plates, when the bottom end of the barrel is welded to the inner walls of the trapezoidal plates, a gap between the trapezoidal blocks and the outer surface of the barrel is filled with a metal solution; nitrogen is led in through the screw holes in the barrel, and welding of the device is carried out in the nitrogen safety protection state.

Description

Technical Field

[0001] The utility model relates to the technical field of leak plugging, in particular to a weldable split leak plugging device. Background Art

[0002] When installing valve wells in long-distance pipelines, a vent valve will be installed on the long pipeline. The vent valve is connected to the main pipeline. When there is a leak in the vent valve, the main pipeline is stopped and vented, and the valve is disassembled and replaced. However, the construction period is long and the project cost is high. The main pipeline can also be vented without stopping the flow and replacing the leaking valve. The leaking valve can be replaced by plugging without stopping the flow. However, this method has a long construction period, greatly affects the use of the device, and causes serious economic losses.

[0003] Therefore, we proposed a weldable split leak plugging device to solve this problem. Utility Model Content

[0004] The purpose of the utility model is to provide a weldable split leak plugging device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a weldable split leak-stopping device, comprising a main pipeline, a vent valve is arranged on the main pipeline, a leak-stopping device is arranged above the main pipeline, and the leak-stopping device comprises a leak-stopping part;

[0006] The plugging part includes a cylinder, a base, a connecting bolt and a trapezoidal plate, wherein the bottom surface of the trapezoidal plate is fixedly connected to the top surface of the base, the outer surface of the bottom end of the cylinder is adapted to the inner wall of the trapezoidal plate, and the outer surface of the left end of the connecting bolt has a thread that penetrates through the right end surfaces of the two bases and extends to the inside of the left base;

[0007] A mounting portion is provided above the main pipeline;

[0008] The mounting portion includes a mounting block, a splicing box, a splicing block and a T-shaped slider. The left end face of the splicing block is fixedly connected to the right end face of the right base. The splicing box is slidably sleeved on the outer surface of the right end of the splicing block. The right end face of the splicing box is fixedly connected to the left end face of the T-shaped slider. A T-shaped groove is provided on the left end face of the mounting block. The right end face of the T-shaped slider extends to the interior of the T-shaped groove and is slidably connected to the inner wall of the T-shaped groove.

[0009] A further improvement is that the leak plugging part also includes a screw plug, a screw hole is opened on the top surface of the cylinder, and the outer surface thread of the bottom end of the screw plug penetrates the inner wall of the screw hole and extends to the inside of the cylinder. By setting the screw hole and the screw plug, nitrogen is introduced into the inside of the cylinder through the screw hole during welding, and the device is welded under the safety protection of nitrogen, and finally the screw hole is closed with the screw plug.

[0010] A further improvement is that the outer surface of the bottom end of the cylinder is welded to the inner wall of the trapezoidal plate, the end faces of the two bases that are close to each other are welded, and the bottom surface of the base is welded to the outer surface of the main pipeline. By arranging the base, the trapezoidal plate and the cylinder, the base and the cylinder are connected by welding to improve the sealing of the device. The cylinder is wrapped with the trapezoidal plate. After welding, the metal solution fills the gap between the inner wall of the trapezoidal plate and the outer surface of the cylinder, thereby improving the sealing of the welding between the cylinder and the base.

[0011] A further improvement is that the mounting part also includes a first screw, a mounting clamp, a second screw, a positioning bolt and a spring. The back side of the first screw is rotatably connected to the front side of the rear mounting clamp via a first bearing seat. The thread on the outer surface of the front end of the first screw penetrates the back side of the front mounting clamp and extends to the front side of the front mounting clamp. By setting the first screw, the two mounting clamps clamp the main pipeline, which facilitates the installation of the device.

[0012] A further improvement is that the left end face of the second screw is rotatably connected to the right end face of the mounting block through a second bearing seat, and the outer surface thread of the right end of the second screw passes through the left end face of the rear mounting clamp and extends to the right side of the mounting frame. By setting the second screw, it is convenient to adjust the relative position of the base and the air valve on the main pipeline.

[0013] A further improvement is that the top end of the spring is fixedly connected to the inner wall of the mounting block, and the bottom end of the spring is fixedly connected to the top surface of the T-shaped slider. By arranging the spring and the T-shaped slider and utilizing the elastic force of the spring, when the base is welded to the main pipeline, the bottom surface of the base is in extrusion contact with the outer surface of the main pipeline.

[0014] A further improvement is that a slot is provided on the front of the splicing block, and the outer surface thread of the rear end of the positioning bolt penetrates the front of the splicing box and extends into the slot. By arranging the positioning bolt, splicing block and splicing box, it is convenient to disassemble the installation part after the sealing is completed.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the weldable split leak plugging device is provided with a cylinder, a bottom support, a screw plug, a connecting bolt and a trapezoidal plate, and two bottom supports are assembled by connecting bolts, which is convenient for subsequent welding; when the bottom end of the cylinder is welded to the inner wall of the trapezoidal plate by using the trapezoidal plate, the metal solution may fill the gap between the trapezoidal block and the outer surface of the cylinder, thereby improving the sealing of the welding; nitrogen is introduced through the screw hole on the cylinder, and the device is welded under the nitrogen safety protection state; by providing a first screw rod, a mounting clamp, a second screw rod, a mounting block, a splicing box, a positioning bolt and a splicing block, the splicing block and the splicing box are connected and installed by using the positioning bolt, the first screw rod is rotated to make the mounting clamp clamp the main pipeline, the relative position of the bottom support and the air release valve can be adjusted, and the second screw rod is rotated to adjust the left and right relative position of the bottom support and the air release valve; by providing a T-shaped slider and a spring, the elastic force of the spring is utilized to make the bottom surface of the bottom support press the main pipeline when the bottom support is welded to the main pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0017] Figure 2 for Figure 1 A magnified view of the structure at center;

[0018] Figure 3 This is a cross-sectional view of the overall structure of the utility model;

[0019] Figure 4 This is a sectional view of the three-dimensional structure of the leak-proof device of the utility model;

[0020] Figure 5 for Figure 4 Enlarged view of the structure at point B in the middle.

[0021] In the figure: 1 main pipeline, 2 plugging device, 21 installation part, 22 plugging part, 211 first screw rod, 212 installation clamp, 213 second screw rod, 214 installation block, 215 splicing box, 216 positioning bolt, 217 splicing block, 218 T-type slider, 219 spring, 221 cylinder, 222 bottom support, 223 thread plug, 224 connecting bolt, 225 trapezoidal plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 5The utility model provides a technical solution: a weldable split leak-stopping device, comprising a main pipeline 1, a vent valve is arranged on the main pipeline 1, a leak-stopping device 2 is arranged above the main pipeline 1, and the leak-stopping device 2 comprises a leak-stopping part 22;

[0024] The plugging part 22 includes a cylinder 221, a bottom bracket 222, a connecting bolt 224 and a trapezoidal plate 225. The bottom surface of the trapezoidal plate 225 is fixedly connected to the top surface of the bottom bracket 222. The outer surface of the bottom end of the cylinder 221 is adapted to the inner wall of the trapezoidal plate 225. The outer surface of the left end of the connecting bolt 224 is threaded through the right end surfaces of the two bottom brackets 222 and extends to the inside of the left bottom bracket 222. The outer surface of the bottom end of the cylinder 221 is welded to the inner wall of the trapezoidal plate 225. The end surfaces of the two bottom brackets 222 on the adjacent sides are welded, and the bottom surface of the bottom bracket 222 is welded to the outer surface of the main pipeline 1.

[0025] The plugging part 22 also includes a screw plug 223. A screw hole is provided on the top surface of the cylinder 221. The outer surface of the bottom end of the screw plug 223 has a thread that penetrates the inner wall of the screw hole and extends into the cylinder 221. The cylinder 221, the bottom bracket 222, the screw plug 223, the connecting bolts 224 and the trapezoidal plate 225 are provided. The two bottom brackets 222 are assembled by connecting the bolts 224 to facilitate subsequent welding. When the bottom end of the cylinder 221 is welded to the inner wall of the trapezoidal plate 225 by using the trapezoidal plate 225, the metal solution may fill the gap between the trapezoidal block 225 and the outer surface of the cylinder 221 to improve the sealing of the welding. Nitrogen is introduced through the screw hole on the cylinder 221, and the device is welded under the safety protection of nitrogen.

[0026] A mounting portion 21 is provided above the main pipeline 1;

[0027] The mounting portion 21 includes a mounting block 214, a splicing box 215, a splicing block 217 and a T-shaped slider 218. The left end face of the splicing block 217 is fixedly connected to the right end face of the right bottom bracket 222. The splicing box 215 is slidably sleeved on the outer surface of the right end of the splicing block 217. The right end face of the splicing box 215 is fixedly connected to the left end face of the T-shaped slider 218. A T-shaped slide groove is provided on the left end face of the mounting block 214. The right end face of the T-shaped slider 218 extends to the inside of the T-shaped slide groove and is slidably connected to the inner wall of the T-shaped slide groove. The mounting portion 21 also includes a first screw 211, a mounting clamp 212, a second screw 213, a positioning bolt 216 and a spring 219.

[0028] The back of the first screw rod 211 is rotatably connected to the front of the rear mounting clamp 212 through the first bearing seat, the front end outer surface of the first screw rod 211 is threaded through the back of the front mounting clamp 212 and extends to the front of the front mounting clamp 212, the front of the splicing block 217 is provided with a slot, and the rear end outer surface of the positioning bolt 216 is threaded through the front of the splicing box 215 and extends to the inside of the slot;

[0029] The left end face of the second screw rod 213 is rotatably connected to the right end face of the mounting block 214 through the second bearing seat, and the outer surface thread of the right end of the second screw rod 213 penetrates the left end face of the rear mounting clamp 212 and extends to the right side of the mounting frame 212. By setting the first screw rod 211, the mounting clamp 212, the second screw rod 213, the mounting block 214, the splicing box 215, the positioning bolt 216 and the splicing block 217, the splicing block 217 is connected and installed with the splicing box 215 by using the positioning bolt 216, the first screw rod 211 is rotated to make the mounting clamp 212 clamp the main pipeline, and the relative position of the bottom bracket 222 and the air release valve can be adjusted, and the second screw rod 213 is rotated to adjust the left and right relative positions of the bottom bracket 222 and the air release valve;

[0030] The top end of the spring 219 is fixedly connected to the inner wall of the mounting block 214, and the bottom end of the spring 219 is fixedly connected to the top surface of the T-shaped slider 218. By setting the T-shaped slider 218 and the spring 219 and utilizing the elastic force of the spring 219, when the bottom support 222 is welded to the main pipeline 1, the bottom surface of the bottom support 222 presses the main pipeline 1.

[0031] When in use, rotate the first screw rod 211, the first screw rod 211 drives the front mounting clamp 212 to move backward, so that the two mounting clamps 212 clamp the main pipeline 1, rotate the connecting bolt 224, connect the left bottom bracket 222 with the right bottom bracket 222, rotate the second screw rod 213, the second screw rod 213 drives the mounting block 214 to move, and the mounting block 214 drives the bottom bracket 222 to move left and right, adjust the relative position of the bottom bracket 222 and the air release valve, after the adjustment, extend the nitrogen pipe into the cylinder 221, and align the nitrogen outlet with the connection between the cylinder 221 and the bottom bracket 222, then the cylinder 221 can be welded, and then the connection between the outer surfaces of the two bottom brackets 222 is welded, after the welding is completed, install the wire plug 223 on the cylinder 221, remove the positioning bolt 224, and rotate the first screw rod 211, then the mounting part 21 can be removed.

[0032] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A weldable split leak plugging device, comprising a main pipeline (1), characterized in that: The main pipeline (1) is provided with a vent valve, and a leak-blocking device (2) is provided above the main pipeline (1), wherein the leak-blocking device (2) comprises a leak-blocking portion (22); The leak-blocking portion (22) comprises a cylinder (221), a base (222), a connecting bolt (224) and a trapezoidal plate (225); the bottom surface of the trapezoidal plate (225) is fixedly connected to the top surface of the base (222); the outer surface of the bottom end of the cylinder (221) is matched with the inner wall of the trapezoidal plate (225); the outer surface of the left end of the connecting bolt (224) is threadedly penetrated through the right end surfaces of the two bases (222) and extends to the inside of the left base (222); A mounting portion (21) is provided above the main pipeline (1); The mounting portion (21) comprises a mounting block (214), a splicing box (215), a splicing block (217) and a T-shaped slider (218); the left end surface of the splicing block (217) is fixedly connected to the right end surface of the right bottom bracket (222); the splicing box (215) is slidably sleeved on the right end outer surface of the splicing block (217); the right end surface of the splicing box (215) is fixedly connected to the left end surface of the T-shaped slider (218); the left end surface of the mounting block (214) is provided with a T-shaped slide groove; the right end surface of the T-shaped slider (218) extends into the interior of the T-shaped slide groove and is slidably connected to the inner wall of the T-shaped slide groove.

2. A weldable split leak plugging device according to claim 1, characterized in that: The leak-blocking portion (22) further comprises a threaded plug (223); a threaded hole is provided on the top surface of the cylinder (221); a threaded hole is formed on the outer surface of the bottom end of the threaded plug (223) and penetrates through the inner wall of the threaded hole and extends into the interior of the cylinder (221).

3. A weldable split leak plugging device according to claim 1, characterized in that: The outer surface of the bottom end of the cylinder (221) is welded to the inner wall of the trapezoidal plate (225), the end surfaces of the two bases (222) close to each other are welded, and the bottom surface of the base (222) is welded to the outer surface of the main pipeline (1).

4. A weldable split leak plugging device according to claim 1, characterized in that: The mounting portion (21) further comprises a first screw rod (211), a mounting clamp (212), a second screw rod (213), a positioning bolt (216) and a spring (219); the back side of the first screw rod (211) is rotatably connected to the front side of the rear mounting clamp (212) via a first bearing seat; the outer surface of the front end of the first screw rod (211) is threaded through the back side of the front mounting clamp (212) and extends to the front side of the front mounting clamp (212).

5. A weldable split leak-stopping device according to claim 4, characterized in that: The left end surface of the second screw rod (213) is rotatably connected to the right end surface of the mounting block (214) via a second bearing seat, and the outer surface of the right end of the second screw rod (213) has a thread that penetrates the left end surface of the rear mounting clamp (212) and extends to the right side of the mounting clamp (212).

6. A weldable split leak-stopping device according to claim 4, characterized in that: The top end of the spring (219) is fixedly connected to the inner wall of the mounting block (214), and the bottom end of the spring (219) is fixedly connected to the top surface of the T-shaped slider (218).

7. A weldable split leak-stopping device according to claim 4, characterized in that: A slot is provided on the front of the splicing block (217), and a thread on the outer surface of the rear end of the positioning bolt (216) penetrates through the front of the splicing box (215) and extends into the slot.

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