Pipeline explosion-proof cut-off device

Abstract

The invention discloses a pipeline anti-explosion cut-off device which comprises a pipeline, an upper box body and a lower box body, the front face and the back face of the upper box body are each provided with an upper semicircular ring, the front face and the back face of the lower box body are each provided with a lower semicircular ring, the upper box body and the lower box body are combined to form a whole box body, the upper semicircular rings and the lower semicircular rings are combined to form a whole circular ring, and the whole circular ring is provided with an upper semicircular ring and a lower semicircular ring. Guide rods are arranged on the two sides of the interior of the box body, an upper semicircular ring is arranged between the surfaces of the two guide rods in a sleeving mode, and a movable plate is slidably connected to the position, located below the upper clamping plate, between the surfaces of the two guide rods. The pipe clamping device achieves the technical effects that a pipeline is squeezed and clamped through the moving plate and the lower clamping plate, the pipeline is intercepted, the problems that an existing pipe clamping device is simple in structure, and leakage occurs due to clamping explosion of the pipeline in the using process are solved, and the situations that an operator is injured and a production system is stopped due to out-of-control leakage are avoided.

Description

Technical Field

[0001] The invention relates to the technical field of explosion-proof of oil pipelines, and in particular to a pipeline explosion-proof flow cutoff device. Background Art

[0002] At present, the solution to valve internal leakage in industrial production fields such as power plants, petrochemicals and smelting is mainly to isolate the leaking valves and clamp the pipes to cut off the flow.

[0003] Isolate and replace valves: The system operation mode is required to allow isolation, the internal leakage valve can be reliably isolated, and there must be isolation doors before and after the internal leakage valve, and it can be closed tightly.

[0004] Pipe clamping and flow interception: The pipe clamps currently used have a simple structure. During use, the pipe may be clamped and burst, resulting in leakage, which can easily cause injuries to operators and uncontrolled leakage, leading to shutdown of the production system.

[0005] In view of this, we propose a pipeline explosion-proof interception device. Summary of the invention

[0006] To this end, the present invention provides a pipeline explosion-proof flow cutoff device to solve the above-mentioned problem that the pipe clamp in the prior art has a simple structure and easily causes the pipeline to be clamped and exploded and leak out.

[0007] In order to achieve the above object, the present invention provides the following technical solutions:

[0008] According to the first aspect of the present invention, a pipeline explosion-proof interception device includes a pipeline, an upper box body and a lower box body, the upper box body is provided with an upper semicircular ring on the front and back sides, the lower box body is provided with a lower semicircular ring on the front and back sides, the upper box body and the lower box body are combined to form a whole box body, the upper semicircular ring and the lower semicircular ring are combined into a whole circular ring, guide rods are provided on both sides of the inside of the box body, an upper clamping plate is provided between the surfaces of the two guide rods, a movable plate is slidably connected between the surfaces of the two guide rods and below the upper clamping plate, a rectangular plate is provided between the surfaces of the two guide rods and below the movable plate, and a power component for pushing the movable plate to move is provided on the top of the movable plate.

[0009] Furthermore, the power assembly is a threaded rod, the bottom of which is rotatably connected to the movable plate, the top of which passes through the upper clamping plate and the upper box and extends to the outside of the upper box, and the surface of the threaded rod is threadedly connected to the upper box.

[0010] Furthermore, the power assembly is a hydraulic cylinder, the bottom of which is fixedly connected to the movable plate, the top of which passes through the upper clamping plate and the upper box and extends to the outside of the upper box, and the surface of the hydraulic cylinder is fixedly connected to the upper box.

[0011] Furthermore, an upper gasket ring is fixedly connected to the inner wall of the upper semicircular ring, and a lower gasket ring is fixedly connected to the inner wall of the lower semicircular ring.

[0012] Furthermore, six surfaces of the box body are provided with glue injection holes, and the glue injection holes are used for injecting glue from the outside into the box body.

[0013] Furthermore, a groove is formed around the bottom of the upper box body, and a sealing ring is provided inside the groove.

[0014] Furthermore, bumps are fixedly connected around the top of the lower box body, and the surface of the bumps enters into the interior of the groove to form a seal.

[0015] Furthermore, the pipeline is located inside the circular ring, both ends of the pipeline extend to the outside of the box, and the annular gasket formed by the upper gasket ring and the lower gasket ring wraps the pipeline.

[0016] Furthermore, the top of the upper clamping plate is fixedly connected to the top of the inner wall of the upper box body, the top of the rectangular plate is fixedly connected to the bottom of the inner wall of the lower box body, and the lower clamping plate is fixedly connected between the inner walls of the lower box body.

[0017] The invention has the following advantages: the pipeline is squeezed and clamped by the moving plate and the lower clamping plate, and the pipeline is intercepted, so that the existing pipe clamp has a simple structure and the pipeline may be burst and leaked during use, thereby avoiding injuries to operators and shutdown of the production system due to uncontrolled leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional diagram of a pipeline explosion-proof intercepting device provided by the present invention.

[0019] Figure 2 A cross-sectional view of a box in which a power component in a pipeline explosion-proof interception device provided by the present invention is a hydraulic cylinder.

[0020] Figure 3 A cross-sectional view of a box in which a power component in a pipeline explosion-proof interception device provided by the present invention is a threaded rod.

[0021] Figure 4 A schematic diagram of a groove on the top of a lower box in a pipeline explosion-proof interception device provided by the present invention.

[0022] Figure 5 This is a front schematic diagram of an upper box body and a lower box body in a pipeline explosion-proof interception device provided by the present invention.

[0023] Figure 6 A schematic diagram of a pipeline in a pipeline explosion-proof interception device provided by the present invention.

[0024] Figure 7 A side schematic diagram of an upper clamping plate and a lower clamping plate in a pipeline explosion-proof intercepting device provided by the present invention.

[0025] In the figure: 1, pipeline, 2, upper box body, 3, lower box body, 4, lower semicircular ring, 5, guide rod, 6, upper semicircular ring, 7, upper clamping plate, 8, movable plate, 9, rectangular plate, 10, threaded rod, 11, hydraulic cylinder, 12, upper gasket, 13, glue injection hole, 14, lower gasket, 15, groove, 16, bump, 17, lower clamping plate. DETAILED DESCRIPTION

[0026] The following is a description of the implementation of the present invention by specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] Example 1

[0028] like Figures 1 to 7 As shown, a pipeline explosion-proof intercepting device in an embodiment of the first aspect of the present invention comprises a pipeline 1, an upper box body 2 and a lower box body 3, the front and back sides of the upper box body 2 are provided with an upper semicircular ring 6, the front and back sides of the lower box body 3 are provided with a lower semicircular ring 4, the upper box body 2 and the lower box body 3 are combined to form a whole box body, the upper semicircular ring 6 and the lower semicircular ring 4 are combined into a whole circular ring, guide rods 5 are arranged on both sides of the inside of the box body, an upper clamping plate 7 is sleeved between the surfaces of the two guide rods 5, a movable plate 8 is slidably connected between the surfaces of the two guide rods 5 and below the upper clamping plate 7, a rectangular plate 9 is sleeved between the surfaces of the two guide rods 5 and below the movable plate 8, and a power component for pushing the movable plate 8 to move is arranged on the top of the movable plate 8;

[0029] In the above embodiment, it should be noted that when the pipe 1 bursts, the upper box body 2 and the lower box body 3 are combined to place the burst part of the pipe 1 inside the box body, and then the power assembly is used to push the moving plate 8 to squeeze the burst pipe 1, so that the liquid inside the pipe 1 is cut off, and the top and bottom ends of the guide rod 5 are extended to the outside of the box body, and one end of the guide rod 5 extending to the outside of the box body is threadedly connected with a nut;

[0030] The technical effect achieved by the above embodiment is: the pipeline is squeezed and clamped by the moving plate and the lower clamping plate, and the pipeline is intercepted, so as to solve the problem that the existing pipe clamp has a simple structure and the pipeline is clamped and burst during use, resulting in leakage, thereby avoiding injuries to operators and the situation where the production system is shut down due to uncontrolled leakage.

[0031] Example 2

[0032] like Figures 1 to 6 As shown, a pipeline explosion-proof interception device includes all the contents of embodiment 1, and in addition, the power assembly is a threaded rod 10, the bottom of the threaded rod 10 is rotatably connected to the moving plate 8, the top of the threaded rod 10 passes through the upper clamping plate 7 and the upper box body 2 and extends to the outside of the upper box body 2, and the surface of the threaded rod 10 is threadedly connected to the upper box body 2;

[0033] In the above embodiment, it should be noted that the threaded rod 10 is used to provide power to the movable plate 6, and the threaded rod 10 extending to the outside of the box is twisted so that the threaded rod 10 squeezes the pipe located inside the box.

[0034] Example 3

[0035] like Figures 1 to 6 As shown, a pipeline explosion-proof interception device includes all the contents of embodiment 1, and in addition, the power assembly is a hydraulic cylinder 11, the bottom of the hydraulic cylinder 11 is fixedly connected to the moving plate 8, the top of the hydraulic cylinder 11 passes through the upper clamping plate 7 and the upper box body 2 and extends to the outside of the upper box body 2, and the surface of the hydraulic cylinder 11 is fixedly connected to the upper box body 2;

[0036] In the above embodiment, it should be noted that a hydraulic cylinder 11 is used to provide power to the movable plate 6, a mounting frame is fixed at one end of the two guide rods 5 extending to the top of the upper box body 2, and then a hydraulic starter is installed on the mounting frame. The hydraulic cylinder 11 extending to the outside of the box body is started by the hydraulic starter, so that the hydraulic cylinder 11 squeezes the pipe located inside the box body.

[0037] Example 4

[0038] like Figures 1 to 6 As shown, a pipeline explosion-proof interception device includes all the contents of Example 1, and in addition, an upper gasket ring 12 is fixedly connected to the inner wall of the upper semicircular ring 6, and a lower gasket ring 14 is fixedly connected to the inner wall of the lower semicircular ring 4;

[0039] In the above embodiment, it should be noted that the upper gasket 12 and the lower gasket 14 are set according to the thickness of the pipe 1, and the thickness of the upper gasket 12 and the lower gasket 14 are selected according to the thickness of the pipe 1. When the pipe 1 is thinner, the thickness of the upper gasket 12 and the lower gasket 14 selected at this time is thicker. When the pipe 1 is thicker, the thickness of the upper gasket 12 and the lower gasket 14 selected at this time is thinner, ensuring that the pipe 1 is in seamless contact with the upper gasket 12 and the lower gasket 14.

[0040] Example 5

[0041] like Figures 1 to 6 As shown, a pipeline explosion-proof interception device includes all the contents of embodiment 1, and in addition, six surfaces of the box body are provided with glue injection holes 13, and the glue injection holes 13 are used for injecting glue into the box body from the outside;

[0042] In the above embodiment, it should be noted that after the box is installed on the surface of the pipe 1 and the pipe 1 is squeezed, glue is injected into the box through the glue injection hole 13. By injecting glue into the box, the box is sealed to prevent the leaked liquid from leaking further from the inside of the box.

[0043] Example 6

[0044] like Figures 1 to 6 As shown, a pipeline explosion-proof interception device includes all the contents of embodiment 1, in addition, the bottom of the upper box body 2 is provided with a groove 15 around, the inside of the groove 15 is provided with a sealing ring, and the top of the lower box body 3 is fixedly connected with a convex block 16 around, and the surface of the convex block 16 enters the inside of the groove 15 to form a seal;

[0045] In the above embodiment, it should be noted that the shape of the protrusion 16 is a boss shape, so that after the protrusion 16 enters the interior of the groove 15, the deeper the protrusion 16 enters into the groove 15, the better the sealing effect formed.

[0046] Example 7

[0047] like Figures 1 to 6 As shown, a pipeline explosion-proof interception device includes all the contents of Example 1, in addition, the pipeline is located inside the ring, both ends of the pipeline extend to the outside of the box, and the annular gasket pair formed by the upper gasket ring 12 and the lower gasket ring 14 wraps the pipeline 1;

[0048] In the above embodiment, it should be noted that the upper gasket 12 and the lower gasket 14 are elastic, so the annular gasket formed by the two is also elastic, which can ensure good sealing when wrapping the pipeline 1.

[0049] Example 8

[0050] like Figures 1 to 6 As shown, a pipeline explosion-proof flow interception device includes all the contents of embodiment 1, in addition, the top of the upper clamping plate 7 is fixedly connected to the top of the inner wall of the upper box body 2, the top of the rectangular plate 9 is fixedly connected to the bottom of the inner wall of the lower box body 3, and the lower clamping plate 17 is fixedly connected between the inner walls of the lower box body 3;

[0051] In the above embodiment, it should be noted that the fixing of the upper clamping plate 7 and the rectangular plate 9 enables the movable plate 8 to stably move along the guide rod 5 to achieve the extrusion of the pipe 1 .

[0052] Working principle: When the pipe 1 bursts, the upper box body 2 and the lower box body 3 are used to merge the two. The shape of the protrusion 16 is a boss-like shape, so that after the protrusion 16 enters the interior of the groove 15, the deeper the protrusion 16 enters the groove 15, the better the sealing effect is formed. The burst part of the pipe 1 is placed inside the box, and then a threaded rod or a hydraulic cylinder is used to push the moving plate 8 to squeeze the burst pipe 1, so that the liquid inside the pipe 1 is cut off. After the box is installed on the surface of the pipe 1 to squeeze the pipe 1, glue is injected into the box through the glue injection hole 13.

Claims

1. A pipeline explosion-proof interception device, comprising a pipeline (1), an upper box (2) and a lower box (3), wherein the upper box (2) is provided with an upper semicircular ring (6) on the front and back sides, and the lower box (3) is provided with a lower semicircular ring (4) on the front and back sides, wherein the upper box (2) and the lower box (3) are combined to form a whole box, and the upper semicircular ring (6) and the lower semicircular ring (4) are combined to form a whole circular ring, characterized in that: Guide rods (5) are provided on both sides of the box body, an upper clamping plate (7) is sleeved between the surfaces of the two guide rods (5), a movable plate (8) is slidably connected between the surfaces of the two guide rods (5) and below the upper clamping plate (7), a rectangular plate (9) is sleeved between the surfaces of the two guide rods (5) and below the movable plate (8), and a power component for pushing the movable plate (8) to move is provided on the top of the movable plate (8).

2. A pipeline explosion-proof flow cutoff device according to claim 1, characterized in that: The power assembly is a threaded rod (10), the bottom of the threaded rod (10) is rotatably connected to the movable plate (8), the top of the threaded rod (10) passes through the upper clamping plate (7) and the upper box body (2) and extends to the outside of the upper box body (2), and the surface of the threaded rod (10) is threadedly connected to the upper box body (2).

3. A pipeline explosion-proof flow cutoff device according to claim 1, characterized in that: The power assembly is a hydraulic cylinder (11), the bottom of the hydraulic cylinder (11) is fixedly connected to the moving plate (8), the top of the hydraulic cylinder (11) passes through the upper clamping plate (7) and the upper box body (2) and extends to the outside of the upper box body (2), and the surface of the hydraulic cylinder (11) is fixedly connected to the upper box body (2).

4. A pipeline explosion-proof interception device according to claim 1, characterized in that: An upper gasket ring (12) is fixedly connected to the inner wall of the upper semicircular ring (6), and a lower gasket ring (14) is fixedly connected to the inner wall of the lower semicircular ring (4).

5. The pipeline explosion-proof interception device according to claim 1, characterized in that: Glue injection holes (13) are provided on the six surfaces of the box body, and the glue injection holes (13) are used for injecting glue from the outside into the box body.

6. A pipeline explosion-proof interception device according to claim 1, characterized in that: A groove (15) is provided around the bottom of the upper box body (2), and a sealing ring is provided inside the groove (15).

7. A pipeline explosion-proof interception device according to claim 6, characterized in that: The top of the lower box body (3) is fixedly connected with a bulge (16) on all sides, and the surface of the bulge (16) enters into the inside of the groove (15) to form a seal.

8. The pipeline explosion-proof interception device according to claim 1, characterized in that: The pipeline is located inside the circular ring, and both ends of the pipeline extend to the outside of the box body. The annular gasket formed by the upper gasket ring (12) and the lower gasket ring (14) wraps the pipeline (1).

9. The pipeline explosion-proof interception device according to claim 1, characterized in that: The top of the upper clamping plate (7) is fixedly connected to the top of the inner wall of the upper box body (2), and the top of the rectangular plate (9) is fixedly connected to the bottom of the inner wall of the lower box body (3).

10. The pipeline explosion-proof flow cutoff device according to claim 1, characterized in that: A lower clamping plate (17) is fixedly connected between the inner walls of the lower box body (3).

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