Three-way plugging device for pipeline

Abstract

The utility model provides a three-way plugging device for a pipeline, which comprises a sandwich valve, and an assembly cylinder is mounted at the upper end of the sandwich valve through a bolt; a movable measuring cylinder structure is mounted at the upper part in the assembling cylinder; a sealing detection plug structure is fixed at the lower end of the movable measuring cylinder structure; the sandwich valve is electrically connected with a PLC; the front end of the PLC is electrically connected with a display and a key, the sealing detection plug structure is characterized in that the sealing detection plug structure comprises a pressure sensor, and a sealing plug is mounted at the lower end of the pressure sensor through a bolt; and a sealing ring is embedded on the outer side in the sealing plug. Through the arrangement of the sealing detection plug structure, the flowing pressure of a material is detected after the tee joint is plugged by the sealing plug, so that the condition of the tee joint can be conveniently known after the pressure is changed due to leakage, and the adjustment or maintenance work can be carried out.

Description

Technical Field

[0001] The utility model belongs to the technical field of three-way plugging, and in particular relates to a three-way plugging device for a pipeline. Background Art

[0002] The tee plugging device is an instrument tool installed on the tee of the pipeline, so that the screw is turned to drive the plug into the tee to seal and plug the tee. In this way, the tee of the pipeline will not flow material after the anti-blocking, so it is convenient to cooperate with the maintenance and repair of the pipeline. However, it is inconvenient to determine the position of the plug in the tee when it is active. In this way, it is easy for a gap to exist in the sealing part, which affects the sealing effect and it is inconvenient to know the sealing condition of the sealing part. In this way, it is inconvenient to know the condition when a leak occurs. Summary of the Invention

[0003] In order to solve the above technical problems, the utility model provides a three-way sealing device for pipelines, which realizes the function of measuring the distance of the plug at the sealing point, so that the plug can be accurately moved to the sealing point for sealing and the pressure of the sealing point can be detected, which is convenient for knowing the situation and making adjustments when leakage occurs.

[0004] The technical solution is as follows: a three-way sealing device for a pipeline, including a splint valve, an assembly cylinder is installed on the upper end of the splint valve bolts; a movable measuring cylinder structure is installed above the inside of the assembly cylinder; a sealing detection plug structure is fixed to the lower end of the movable measuring cylinder structure; the splint valve is electrically connected to a PLC; the front end of the PLC is electrically connected to a display and buttons, and is characterized in that the sealing detection plug structure includes a pressure sensor, a sealing plug is installed on the lower end of the pressure sensor bolts; a sealing ring is inlaid on the outside of the inside of the sealing plug.

[0005] Preferably, the sealing plug is fixed below the movable measuring cylinder structure via a pressure sensor.

[0006] Preferably, the sealing rings on the outer wall of the sealing plug are provided with multiple layers and correspond to the assembly cylinder.

[0007] Compared with the prior art, the beneficial effects of the present invention are:

[0008] In the present invention, the pressure sensor is provided to detect the pressure of the material flow after the sealing plug blocks the tee, so that after the leakage changes the pressure, the situation can be easily known for adjustment or maintenance.

[0009] In the utility model, the arrangement of the sealing plug and the sealing ring increases the sealing effect after the tee is blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural diagram of the utility model;

[0011] Figure 2 This is a structural diagram of the sealing detection plug structure of the present utility model;

[0012] Figure 3 It is a structural schematic diagram of the movable measuring cylinder structure of the utility model.

[0013] In the picture:

[0014] 1. Clamp valve; 2. Assembly cylinder; 3. Movable measuring cylinder structure; 31. Protective cylinder; 32. Infrared ranging sensor; 33. Limiting head; 34. Threaded vertical rod; 35. Threaded rotating cylinder; 36. Transmission gear; 37. Operating vertical column; 4. Sealing detection plug structure; 41. Pressure sensor; 42. Sealing plug; 43. Sealing ring; 5. PLC; 6. Display; 7. Button. DETAILED DESCRIPTION

[0015] The present invention will be further described below with reference to the accompanying drawings: Example

[0016] As attached Figure 1 As shown, a three-way sealing device for a pipeline includes a splint valve 1, an assembly cylinder 2 is bolted to the upper end of the splint valve 1; a movable measuring cylinder structure 3 is installed above the interior of the assembly cylinder 2; a sealing detection plug structure 4 is fixed to the lower end of the movable measuring cylinder structure 3; the splint valve 1 is electrically connected to a PLC 5; and the front end of the PLC 5 is electrically connected to a display 6 and a button 7.

[0017] As attached Figure 2 As shown, in the above embodiment, specifically, the sealing detection plug structure 4 includes a pressure sensor 41, and a sealing plug 42 is installed on the lower end bolt of the pressure sensor 41; a sealing ring 43 is embedded on the outer side of the inside of the sealing plug 42; after sealing, the pressure sensor 41 cooperates with the sealing plug 42 to detect the pressure of the flowing material.

[0018] As attached Figure 3 As shown, in the above embodiment, specifically, the movable measuring cylinder structure 3 includes a protective cylinder 31, and an infrared ranging sensor 32 is installed on the upper bolt inside the protective cylinder 31; a threaded vertical rod 34 is inserted into the inside of the protective cylinder 31, and a limiting head 33 is installed on the upper end bolt of the threaded vertical rod 34; a threaded rotating cylinder 35 is movably embedded in the lower side of the inside of the protective cylinder 31, and the inside of the threaded rotating cylinder 35 is threadedly connected to the threaded vertical rod 34; a transmission gear 36 is embedded in the lower part of the outer wall of the threaded rotating cylinder 35; an operating vertical column 37 is installed on the threaded rotating cylinder 35 through the transmission gear 36; the operating vertical column 37 is screwed by a hexagonal wrench, so that the transmission gear 36 and the threaded rotating cylinder 35 are rotated to cooperate with the threaded vertical rod 34 and the limiting head 33 to rise and fall.

[0019] In the above embodiment, specifically, the protective tube 31 is bolted to the upper end of the assembly tube 2, and the infrared ranging sensor 32 at the end corresponds to the limiting head 33, so that the distance is detected during sealing, thereby driving the sealing plug 42 to move accurately to the sealing position of the tee, preventing position deviation and the appearance of fine cracks that affect the sealing effect.

[0020] In the above embodiment, specifically, the threaded drum 35 and the operating column 37 are connected to each other through a transmission gear 36, and a hexagonal groove is provided on the upper end of the operating column 37, so that it can be easily rotated using a hexagonal wrench.

[0021] In the above embodiment, specifically, the protective tube 31 covers the outer wall of the threaded vertical rod 34 and corresponds to the limiting head 33 to perform sleeve protection on the movable threaded vertical rod 34 .

[0022] In the above embodiment, specifically, the operating column 37 is embedded in the right side of the assembly cylinder 2 through a bearing, and the transmission gear 36 on the outer wall of the operating column 37 is engaged with the transmission gear 36 on the outer wall of the threaded rotating cylinder 35, and a hexagonal groove is opened on the upper side of the inner part of the operating column 37.

[0023] In the above embodiment, specifically, the PLC 5 is electrically connected to the display 6 , the button 7 , the pressure sensor 41 and the infrared distance sensor 32 .

[0024] How it works

[0025] The working principle of the present invention is as follows: when sealing the three-way connection of the pipeline and inspecting the pipeline, the splint valve 1 is bolted to the end of the three-way connection. After completion, the splint valve 1 is opened and the operating vertical column 37 is screwed with a hexagonal wrench, so that the transmission gear 36 and the threaded rotating cylinder 35 are rotated to cooperate with the threaded vertical rod 34 and the limiting head 33 to rise and fall. During the lifting process, the infrared ranging sensor 32 detects the distance, so that the sealing plug 42 and the sealing ring 43 can be accurately driven to move to the blocking position of the three-way connection for blocking. After blocking, the pressure sensor 41 cooperates with the sealing plug 42 to detect the pressure of the flowing material. After the pressure changes significantly, the situation can be known to adjust the position of the sealing plug 42 or repair it.

[0026] Utilizing the technical solution described in the present invention, or those skilled in the art designing similar technical solutions inspired by the technical solution of the present invention to achieve the above-mentioned technical effects, all fall within the scope of protection of the present invention.

Claims

1. A three-way plugging device for a pipeline, comprising a clamp valve (1), wherein an assembly cylinder (2) is bolted to the upper end of the clamp valve (1); a movable measuring cylinder structure (3) is installed above the inner portion of the assembly cylinder (2); a sealing detection plug structure (4) is fixed to the lower end of the movable measuring cylinder structure (3); the clamp valve (1) is electrically connected to a PLC (5); and the front end of the PLC (5) is electrically connected to a display (6) and a button (7), wherein ... and the clamp valve (1) is electrically connected to a PLC (5); and the clamp valve (1) is electrically connected to a display (6) and a button (7), and the clamp valve (1) is electrically connected to a PLC (5). The sealing detection plug structure (4) includes a pressure sensor (41), and a sealing plug (42) is bolted to the lower end of the pressure sensor (41); and a sealing ring (43) is embedded on the outer side of the inner side of the sealing plug (42).

2. The three-way plugging device for a pipeline according to claim 1, characterized in that: The movable measuring cylinder structure (3) comprises a protective cylinder (31), wherein an infrared distance measuring sensor (32) is installed on the upper bolt inside the protective cylinder (31); a threaded vertical rod (34) is inserted into the interior of the protective cylinder (31), and a limiting head (33) is installed on the upper bolt of the threaded vertical rod (34); a threaded rotating cylinder (35) is movably embedded in the lower side of the interior of the protective cylinder (31), and the interior of the threaded rotating cylinder (35) is threadedly connected to the threaded vertical rod (34); a transmission gear (36) is embedded in the lower part of the outer wall of the threaded rotating cylinder (35); and an operating vertical column (37) is installed on the threaded rotating cylinder (35) through the transmission gear (36).

3. The three-way plugging device for a pipeline according to claim 1, characterized in that: The sealing plug (42) is fixed below the movable measuring cylinder structure (3) via the pressure sensor (41).

4. The three-way plugging device for a pipeline according to claim 1, characterized in that: The sealing ring (43) on the outer wall of the sealing plug (42) is provided with multiple layers and corresponds to the assembly cylinder (2).

5. The three-way plugging device for a pipeline according to claim 2, characterized in that: The protective tube (31) is bolted to the upper end of the assembly tube (2), and the infrared distance sensor (32) at the end corresponds to the limiting head (33).

6. The three-way plugging device for a pipeline according to claim 2, characterized in that: The threaded rotating cylinder (35) and the operating vertical column (37) are connected to each other via a transmission gear (36), and a hexagonal groove is formed at the upper end of the operating vertical column (37).

7. The three-way plugging device for a pipeline according to claim 2, characterized in that: The operating column (37) is embedded in the right side of the assembly cylinder (2) through a bearing, and the transmission gear (36) on the outer wall of the operating column (37) and the transmission gear (36) on the outer wall of the threaded rotating cylinder (35) are engaged with each other. A hexagonal groove is opened on the upper side of the inner part of the operating column (37).

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