Pipeline plugging device for gas engineering

Abstract

The utility model relates to the technical field of gas pipelines, and discloses a pipeline plugging device for gas engineering, which comprises a base, the top of the base is fixedly connected with a support frame and a bearing seat, the bearing seat is V-shaped, a gas pipeline is arranged at the top of the bearing seat, a clamping plate is arranged at the top of the gas pipeline, and the clamping plate is fixedly connected with the support frame. The clamping plate is arranged in an A shape, and the top of the clamping plate is fixedly connected with a first limiting rod. By arranging the clamping plate, the threaded rod, the fixing assembly and the lifting assembly, the gas pipeline is clamped through the clamping plate and the threaded rod, the rubber sealing plug is stable when blocking the gas pipeline through the fixing assembly, and the circle center of the rubber sealing plug is aligned with the circle centers of different types of gas pipelines through the lifting assembly; the gas pipeline plugging device solves the problems that many different types of gas pipelines exist, an existing gas pipeline plugging device is difficult to adapt to different types of pipelines, and certain limitation exists.

Description

TECHNICAL FIELD

[0001] The utility model belongs to gas pipeline technical field especially relates to a pipeline plugging device for gas engineering. BACKGROUND

[0002] Gas is the general term of gaseous fuel, including natural gas, artificial gas, liquefied petroleum gas and biogas, coal gas and many other types. In the process of gas delivery, it needs to use pipeline to deliver. In the setting of gas pipeline line, pipeline plugging device is often used to block gas pipe, especially in the maintenance, repair or reconstruction of pipeline, the role of plugging device is particularly important.

[0003] The above technology has the following problems: there are many different types of gas pipelines, and their inner diameters are different. The existing gas pipeline plugging device is difficult to adapt to different types of pipelines, and has certain limitations. INVENTION CONTENTS

[0004] In view of the problems in the prior art, the utility model provides a pipeline plugging device for gas engineering, which can overcome the above problems or at least partially solve the above problems.

[0005] The utility model is realized in this way, a pipeline plugging device for gas engineering, including base, the top of base is fixedly connected with support frame and bearing seat, the bearing seat is set up in " V " shape, the top of bearing seat places gas pipeline, the top of gas pipeline is provided with clamping plate, the clamping plate is set up in " A " shape, the top of clamping plate is fixedly connected with first limit rod, the other end of first limit rod penetrates the inside of support frame and extends upwards, the surface of first limit rod is slidably connected with the inner wall of support frame, one side of support frame is provided with fixed assembly, one side of gas pipeline is provided with rubber plugging plug, one side of rubber plugging plug extends to the inner chamber of gas pipeline, and is slidably connected with the inner chamber of gas pipeline, the other end of rubber plugging plug is fixedly connected with first sliding rod, the inside of base is provided with lifting assembly.

[0006] In order to fix the pipeline, preferably, the top of the clamping plate is rotatably connected with a threaded rod through a bearing, the other end of the threaded rod extends to the top of the support frame and is fixedly connected with a first handle, the surface of the threaded rod is threadedly connected with the inner wall of the support frame, the clamping plate is lowered by rotating the first handle through the threaded rod, until the clamping plate and the bearing clamp the gas pipeline.

[0007] In order to make the rubber sealing plug stable when plugging the gas pipeline, preferably, the fixing assembly comprises a moving block, a first sliding plate, a second sliding rod, a spring and a second sliding plate, the bottom and the opposite surface of the first sliding plate and the second sliding plate are in sliding connection with the inner wall of the moving block, one end of the second sliding rod penetrates the first sliding plate and the second sliding plate and extends outward, the surface of the second sliding rod is in sliding connection with the inner wall of the first sliding plate, the surface of the second sliding rod is in fixed connection with the inner wall of the second sliding plate, the spring is sleeved on the surface of the second sliding rod, and the two ends of the spring are in fixed connection with the first sliding plate and the second sliding plate respectively, the second sliding rod is pushed, the first sliding plate and the second sliding plate are driven to move on the inner wall of the moving block through the second sliding rod, one end of the second sliding rod can slide on the inclined surface of the limiting block, the second sliding rod is extruded by the inclined surface of the limiting block, the second sliding plate moves towards the first sliding plate and extrudes the spring, after one end of the second sliding rod passes through the inclined surface of the limiting block, the second sliding rod loses pressure, the spring resets to pop the sliding column into the inner cavity of the limiting block, and the second sliding rod can be separated from the limiting block by pulling the second sliding rod away from the moving block.

[0008] In order to make the rubber sealing plug stable when plugging the gas pipeline, preferably, the fixing assembly further comprises a second limiting rod, a stop block and a limiting block, the bottom of the stop block is in fixed connection with the first sliding plate, the bottom and the top of the stop block are in sliding connection with the second sliding plate and the inner wall of the moving block respectively, the top of the moving block is provided with a circular hole matched with the second limiting rod, the second limiting rod extends to the inner cavity of the moving block through the circular hole and is in contact with the inner wall of the moving block, one side of the limiting block is in fixed connection with the surface of the first sliding rod, one end of the second sliding rod extends to the inner cavity of the limiting block, and the surface of the second sliding rod is in sliding connection with the inner wall of the limiting block, the second limiting rod is inserted into the circular hole after the second sliding rod is inserted into the limiting block, and the second limiting rod limits the second sliding rod through the stop block.

[0009] In order to make the fixing assembly and the first sliding rod always keep horizontal, preferably, one end of the moving block is in sliding connection with the support frame through a sliding block, one end of the moving block is fixedly connected with a first connecting block, the other end of the first connecting block is fixedly connected with a second connecting block, one side of the second connecting block is fixedly connected with an arc-shaped backing plate, the top of the arc-shaped backing plate is in sliding connection with the surface of the first sliding rod, one side of the moving block is provided with a sliding groove, the surface of the second sliding rod is in sliding connection with the inner wall of the sliding groove, one end of the first sliding rod penetrates the second connecting block and extends outward, and the surface of the first sliding rod is in sliding connection with the inner wall of the second connecting block, the second connecting block is driven to move through the lifting assembly, the first connecting block drives the fixing assembly to move synchronously, and the arc-shaped backing plate and the second connecting block are used for supporting the first sliding rod.

[0010] In order to align the center of the rubber sealing plug with the center of the different types of gas pipelines, preferably, the lifting assembly comprises a second handle, a bidirectional screw rod, a third connecting block, a movable rod and a fixed block, one side of the second handle is fixedly connected with the bidirectional screw rod, one end of the bidirectional screw rod penetrates through the third connecting block and extends outward, one end of the movable rod is hinged with the third connecting block, the other end of the movable rod is hinged with the fixed block, the movable rods are symmetrically arranged, the top of the fixed block is fixedly connected with the second connecting block, the bidirectional screw rod is driven to rotate by shaking the second handle, the movable rod tends to be vertical or tends to be horizontal by driving the third connecting block to be close to or away from, so that the second connecting block is raised or lowered.

[0011] In order to make the bidirectional screw rod rotate stably, preferably, the top of the base is provided with a notch, one end of the bidirectional screw rod is rotatably connected with the inner wall of the notch through a bearing, the other end of the bidirectional screw rod penetrates through the inner wall of the notch and extends outward, and the surface of the bidirectional screw rod is rotatably connected with the inner wall of the base through a bearing.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a fixing assembly and a lifting assembly are arranged, the gas pipeline is clamped through the clamping plate and the threaded rod, the rubber sealing plug is stable when plugging the gas pipeline through the fixing assembly, the center of the rubber sealing plug is aligned with the center of the different types of gas pipelines through the lifting assembly, and the problems that the existing gas pipeline plugging device is difficult to adapt to different types of pipelines and has certain limitations are solved. ACCURACY OF DRAWINGS

[0014] Fig. 1 It is the three -dimensional structure schematic diagram that the utility model embodiment provides;

[0015] Fig. 2 It is the three -dimensional structure schematic diagram that the utility model embodiment provides clamping plate and threaded rod;

[0016] Fig. 3 It is the three -dimensional structure schematic diagram that the utility model embodiment provides fixed component;

[0017] Fig. 4 It is the three -dimensional structure schematic diagram that the utility model embodiment provides lifting assembly.

[0018] In the diagram: 1. Base; 2. Support frame; 3. Gas pipeline; 4. Fixing component; 401. Moving block; 402. First sliding plate; 403. Second sliding rod; 404. Spring; 405. Second sliding plate; 406. Second limiting rod; 407. Stop block; 408. Limiting block; 5. Lifting component; 501. Second throttle; 502. Two-way lead screw; 503. Third connecting block; 504. Movable rod; 505. Fixing block; 6. Rubber sealing plug; 7. First sliding rod; 8. Bearing seat; 9. Clamping plate; 10. First limiting rod; 11. Threaded rod; 12. First throttle; 13. Sliding groove; 14. Second connecting block; 15. First connecting block; 16. Arc-shaped pad; 17. Groove. Detailed Implementation

[0019] To further understand the invention content, features and effects of this utility model, the following embodiments are provided, and detailed descriptions are given in conjunction with the accompanying drawings.

[0020] The structure of this utility model will now be described in detail with reference to the accompanying drawings.

[0021] like Figs. 1 to 4 As shown in the figure, a gas pipeline sealing device for gas engineering provided by this utility model includes a base 1. A support frame 2 and a bearing seat 8 are fixedly connected to the top of the base 1. The bearing seat 8 is arranged in a "V" shape. A gas pipeline 3 is placed on the top of the bearing seat 8. A clamping plate 9 is arranged on the top of the gas pipeline 3. The clamping plate 9 is arranged in an "A" shape. A first limiting rod 10 is fixedly connected to the top of the clamping plate 9. The other end of the first limiting rod 10 passes through the inner side of the support frame 2 and extends upward. The surface of the first limiting rod 10 is slidably connected to the inner wall of the support frame 2. A fixing component 4 is provided on one side of the support frame 2. A rubber sealing plug 6 is provided on one side of the gas pipeline 3. One side of the rubber sealing plug 6 extends into the inner cavity of the gas pipeline 3 and is slidably connected to the inner cavity of the gas pipeline 3. A first sliding rod 7 is fixedly connected to the other end of the rubber sealing plug 6. A lifting component 5 is provided inside the base 1.

[0022] To secure the pipeline, a threaded rod 11 is rotatably connected to the top of the clamping plate 9 via a bearing. The other end of the threaded rod 11 extends to the top of the support frame 2 and is fixedly connected to a first throttle 12. The surface of the threaded rod 11 is threadedly connected to the inner wall of the support frame 2. By rotating the first throttle 12, the clamping plate 9 is lowered through the threaded rod 11 until the clamping plate 9 and the bearing seat 8 clamp the gas pipeline 3.

[0023] In order to make the rubber sealing plug 6 stable when plugging the gas pipeline 3, the fixing assembly 4 comprises a moving block 401, a first sliding plate 402, a second sliding rod 403, a spring 404 and a second sliding plate 405, the bottom and the opposite surface of the first sliding plate 402 and the second sliding plate 405 are in sliding connection with the inner wall of the moving block 401, one end of the second sliding rod 403 penetrates the first sliding plate 402 and the second sliding plate 405 and extends outward, the surface of the second sliding rod 403 is in sliding connection with the inner wall of the first sliding plate 402, the surface of the second sliding rod 403 is fixedly connected with the inner wall of the second sliding plate 405, the spring 404 is sleeved on the surface of the second sliding rod 403, the two ends of the spring 404 are fixedly connected with the first sliding plate 402 and the second sliding plate 405 respectively, the second sliding rod 403 is pushed, the first sliding plate 402 and the second sliding plate 405 are driven to move on the inner wall of the moving block 401 through the second sliding rod 403, one end of the second sliding rod 403 can slide on the inclined surface of the limiting block 408, the second sliding rod 403 is extruded by the inclined surface of the limiting block 408, the second sliding plate 405 moves towards the direction close to the first sliding plate 402 and extrudes the spring 404, when one end of the second sliding rod 403 passes through the inclined surface of the limiting block 408, the second sliding rod 403 loses pressure, the spring 404 resets the sliding column to the inner cavity of the limiting block 408, the second sliding rod 403 can be separated from the limiting block 408 by pulling the second sliding rod 403 away from the side of the moving block 401.

[0024] In order to make the rubber sealing plug 6 stable when plugging the gas pipeline 3, the fixing assembly 4 further comprises a second limiting rod 406, a stop block 407 and a limiting block 408, the bottom of the stop block 407 is fixedly connected with the first sliding plate 402, the bottom and the top of the stop block 407 are in sliding connection with the inner wall of the second sliding plate 405 and the moving block 401 respectively, a circular hole for cooperating with the second limiting rod 406 is arranged on the top of the moving block 401, the second limiting rod 406 extends to the inner cavity of the moving block 401 through the circular hole and contacts with the inner wall of the moving block 401, one side of the limiting block 408 is fixedly connected with the surface of the first sliding rod 7, one end of the second sliding rod 403 extends to the inner cavity of the limiting block 408, the surface of the second sliding rod 403 is in sliding connection with the inner wall of the limiting block 408, when the second sliding rod 403 is inserted into the limiting block 408, the second limiting rod 406 is inserted into the circular hole, the second limiting rod 406 limits the second sliding rod 403 through the stop block 407.

[0025] In order to make the fixed assembly 4 and the first sliding rod 7 always keep horizontal, one end of the moving block 401 is slidably connected with the support frame 2 through a sliding block, one end of the moving block 401 is fixedly connected with the first connecting block 15, the other end of the first connecting block 15 is fixedly connected with the second connecting block 14, one side of the second connecting block 14 is fixedly connected with the arc-shaped backing plate 16, the top of the arc-shaped backing plate 16 is slidably connected with the surface of the first sliding rod 7, one side of the moving block 401 is provided with a sliding groove 13, the surface of the second sliding rod 403 is slidably connected with the inner wall of the sliding groove 13, one end of the first sliding rod 7 penetrates through the second connecting block 14 and extends outward, the surface of the first sliding rod 7 is slidably connected with the inner wall of the second connecting block 14, the second connecting block 14 is driven to move through the lifting assembly 5, the first connecting block 15 drives the fixed assembly 4 to move synchronously, and the arc-shaped backing plate 16 and the second connecting block 14 are used for supporting the first sliding rod 7.

[0026] In order to make the rubber sealing plug 6 align with the center of the different types of gas pipelines 3, the lifting assembly 5 comprises a second handle 501, a bidirectional screw rod 502, a third connecting block 503, a movable rod 504 and a fixed block 505, one side of the second handle 501 is fixedly connected with the bidirectional screw rod 502, one end of the bidirectional screw rod 502 penetrates through the third connecting block 503 and extends outward, one end of the movable rod 504 is hinged with the third connecting block 503, the other end of the movable rod 504 is hinged with the fixed block 505, the movable rod 504 is symmetrically arranged, the top of the fixed block 505 is fixedly connected with the second connecting block 14, the second handle 501 is shaken to drive the bidirectional screw rod 502 to rotate, the third connecting block 503 is driven to be close to or away from through the bidirectional screw rod 502, the movable rod 504 is moved to be vertical or horizontal, and the second connecting block 14 is raised or lowered.

[0027] In order to make the bidirectional screw rod 502 rotate stably, the top of the base 1 is provided with a notch 17, one end of the bidirectional screw rod 502 is rotatably connected with the inner wall of the notch 17 through a bearing, the other end of the bidirectional screw rod 502 penetrates through the inner wall of the notch 17 and extends outward, and the surface of the bidirectional screw rod 502 is rotatably connected with the inner wall of the base 1 through a bearing.

[0028] The working principle of the utility model:

[0029] In use, the gas pipe is placed on the bearing seat 8, then the first knob 12 is rotated to lower the clamping plate 9 through the threaded rod 11 until the clamping plate 9 and the bearing seat 8 clamp the gas pipe 3, the height of the rubber sealing plug 6 is adjusted according to the center of the gas pipe through the lifting assembly 5, the second knob 501 is shaken to drive the bidirectional screw rod 502 to rotate, the bidirectional screw rod 502 drives the third connecting block 503 to move close or far away, the movable rod 504 is moved to be vertical or horizontal, the second connecting block 14 is raised or lowered, the second connecting block 14 and the arc-shaped pad plate 16 are used for supporting the first sliding rod 7, after the rubber sealing plug 6 is aligned with the center of the gas pipe 3, the rubber sealing plug 6 is pushed into the gas pipe 3 to seal, at this time, the second sliding rod 403 can be pushed to the direction close to the first connecting block 15, the second sliding rod 403 drives the first sliding piece 402 and the second sliding piece 405 to move in the inner wall of the moving block 401, one end of the second sliding rod 403 can slide on the inclined surface of the limiting block 408, the second sliding rod 403 is extruded by the inclined surface of the limiting block 408, the second sliding piece 405 moves to the direction close to the first sliding piece 402 and extrudes the spring 404, when one end of the second sliding rod 403 passes through the inclined surface of the limiting block 408, the second sliding rod 403 loses pressure, the spring 404 resets the sliding column to the inner cavity of the limiting block 408, when the second sliding rod 403 is inserted into the limiting block 408, the second limiting rod 406 is inserted into the circular hole, the second limiting rod 406 limits the second sliding rod 403 through the stop block 407, the second sliding rod 403 can be separated from the limiting block 408 by pulling the second sliding rod 403 to the side far away from the moving block 401, the first connecting block 15 drives the fixed assembly 4 to move synchronously by driving the second connecting block 14 to move through the lifting assembly 5.

[0030] It is to be noted that the relative terms such as first and second and the like are used herein solely to distinguish one entity or action from another, without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0031] The above only describes the preferred embodiment of the present application, and is not intended to limit the present application in any form. Although the preferred embodiment of the present application has been disclosed as above, it is not intended to limit the present application, and any person skilled in the art can make modifications without departing from the technical solution of the present application.

Claims

1. A pipe plugging device for gas engineering, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected with a support frame (2) and a bearing seat (8), the bearing seat (8) is arranged in a "V" shape, the top of the bearing seat (8) is placed with a gas pipeline (3), the top of the gas pipeline (3) is provided with a clamping plate (9), the clamping plate (9) is arranged in an "A" shape, the top of the clamping plate (9) is fixedly connected with a first limiting rod (10), the other end of the first limiting rod (10) penetrates the inner side of the support frame (2) and extends upward, the surface of the first limiting rod (10) is slidably connected with the inner wall of the support frame (2), one side of the support frame (2) is provided with a fixed assembly (4), one side of the gas pipeline (3) is provided with a rubber sealing plug (6), one side of the rubber sealing plug (6) extends to the inner cavity of the gas pipeline (3) and is slidably connected with the inner cavity of the gas pipeline (3), the other end of the rubber sealing plug (6) is fixedly connected with a first sliding rod (7), the inside of the base (1) is provided with a lifting assembly (5).

2. A pipe plugging device for gas engineering according to claim 1, characterized in that The top of the clamping plate (9) is rotatably connected with a threaded rod (11) through a bearing, the other end of the threaded rod (11) extends to the top of the support frame (2) and is fixedly connected with a first rotating handle (12), the surface of the threaded rod (11) is threadedly connected with the inner wall of the support frame (2).

3. A pipe plugging device for gas engineering according to claim 1, characterized in that The fixed assembly (4) comprises a moving block (401), a first sliding piece (402), a second sliding rod (403), a spring (404) and a second sliding piece (405), the bottom and the opposite surface of the first sliding piece (402) and the second sliding piece (405) are slidably connected with the inner wall of the moving block (401), one end of the second sliding rod (403) penetrates the first sliding piece (402) and the second sliding piece (405) and extends outward, the surface of the second sliding rod (403) is slidably connected with the inner wall of the first sliding piece (402), the surface of the second sliding rod (403) is fixedly connected with the inner wall of the second sliding piece (405), the spring (404) is sleeved on the surface of the second sliding rod (403), and the two ends of the spring (404) are fixedly connected with the first sliding piece (402) and the second sliding piece (405) respectively.

4. A pipe plugging device for gas engineering according to claim 3, characterized in that The fixed assembly (4) further comprises a second limiting rod (406), a stop block (407) and a limiting block (408), the bottom of the stop block (407) is fixedly connected with the first sliding piece (402), the bottom and the top of the stop block (407) are slidably connected with the inner wall of the second sliding piece (405) and the moving block (401) respectively, the top of the moving block (401) is provided with a circular hole matched with the second limiting rod (406), the second limiting rod (406) extends to the inner cavity of the moving block (401) through the circular hole and contacts with the inner wall of the moving block (401), one side of the limiting block (408) is fixedly connected with the surface of the first sliding rod (7), one end of the second sliding rod (403) extends to the inner cavity of the limiting block (408), and the surface of the second sliding rod (403) is slidably connected with the inner wall of the limiting block (408).

5. A pipe plugging device for gas engineering according to claim 3, characterized in that One end of the moving block (401) is slidably connected with the support frame (2) through a sliding block, one end of the moving block (401) is fixedly connected with a first connecting block (15), the other end of the first connecting block (15) is fixedly connected with a second connecting block (14), one side of the second connecting block (14) is fixedly connected with an arc-shaped base plate (16), the top of the arc-shaped base plate (16) is slidably connected with the surface of the first sliding rod (7), one side of the moving block (401) is provided with a sliding groove (13), the surface of the second sliding rod (403) is slidably connected with the inner wall of the sliding groove (13), one end of the first sliding rod (7) penetrates through the second connecting block (14) and extends outward, and the surface of the first sliding rod (7) is slidably connected with the inner wall of the second connecting block (14).

6. A pipe plugging device for gas engineering according to claim 1, characterized in that The lifting assembly (5) comprises a second rotating handle (501), a bidirectional screw rod (502), a third connecting block (503), a movable rod (504) and a fixed block (505), one side of the second rotating handle (501) is fixedly connected with the bidirectional screw rod (502), one end of the bidirectional screw rod (502) penetrates through the third connecting block (503) and extends outward, one end of the movable rod (504) is hingedly connected with the third connecting block (503), the other end of the movable rod (504) is hingedly connected with the fixed block (505), the movable rod (504) is symmetrically arranged, and the top of the fixed block (505) is fixedly connected with the second connecting block (14).

7. A pipe plugging device for gas engineering according to claim 6, characterized in that The top of the base (1) is provided with a notch (17), one end of the bidirectional screw rod (502) is rotatably connected with the inner wall of the notch (17) through a bearing, the other end of the bidirectional screw rod (502) penetrates through the inner wall of the notch (17) and extends outward, and the surface of the bidirectional screw rod (502) is rotatably connected with the inner wall of the base (1) through a bearing.

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