Underwater blind area pipeline plugging device

Abstract

The utility model relates to the technical field of pipeline fittings, and discloses an underwater blind area pipeline plugging device which comprises a pipeline body, a cover plate is arranged at one end of the pipeline body, and a plug is fixedly connected to the outer wall of the cover plate. The underwater blind area pipeline plugging device is provided with a bearing, a lead screw, a hand wheel, a circular truncated cone block, a guide rod, a sliding rod, a sliding block, a fixing spring, an arc-shaped block and a rubber pad, when the plugging device is used for plugging a pipeline, the hand wheel is rotated to drive the lead screw to rotate, so that the circular truncated cone block moves to push the sliding block to move, and the sliding block moves to compress the fixing spring; by arranging the multiple arc-shaped blocks in different directions, pressure can be applied to the inner wall of the pipeline from multiple directions at the same time, the plugging device can be firmly attached to the inner wall of the pipeline, displacement of the plugging device under the complex underwater environment such as water flow impact is avoided, and the plugging device is convenient to use. And the durability of the plugging effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline accessory technical field, concretely to underwater blind area pipeline plugging device. BACKGROUND

[0002] In the underwater pipeline plugging operation, the pipeline is often in the underwater blind area, and the diver needs to use the plugging device to plug the pipeline. Under normal circumstances, the pipeline plugging air bag is used to cut off the water of the pipeline. The pipeline plugging air bag is made of high-quality rubber. When the air pressure in the plugging air bag reaches the specified requirement, the plugging air bag fills the entire pipeline section, and the friction between the plugging air bag wall and the pipeline blocks the water leakage. However, the pipeline plugging air bag is usually used for plugging small pipelines, and the effect of plugging large pipelines is not ideal. The air pressure of the pipeline plugging air bag needs to be monitored at all times. When the air pressure is too low, it needs to be supplemented. When the air pressure is too high, it may cause the air bag to explode, causing safety hazards.

[0003] The prior art patent document CN219994747U provides a kind of underwater fast plugging device of drainage pipeline, by adjusting the support screw of plugging mechanism to form inner support in pipeline, butadiene rubber gasket at the end of support screw can protect pipeline from being damaged;By connecting sleeve of plugging mechanism and connecting screw of support mechanism, tighten hexagonal bolt to quickly complete pipeline plugging, nitrile rubber ring and nitrile rubber bushing can prevent water leakage.

[0004] The above-mentioned prior art can plug the pipeline, but during operation, the screw needs to be rotated first, then the cover plate and other parts are fixed and installed after being fixed in the pipeline. The operation process is complicated, time-consuming, and the efficiency of plugging the pipeline is low, which cannot meet the needs of people. Therefore, we need an underwater blind area pipeline plugging device. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an underwater blind area pipeline plugging device to solve the problem of complicated operation process, long time required, and low efficiency of plugging the pipeline in the operation process as mentioned in the background technology.

[0006] To solve the above technical problems, the utility model provides the following technical scheme: an underwater blind area pipeline plugging device, comprising a pipeline body, one end of the pipeline body is provided with a cover plate, the outer wall of the cover plate is fixedly connected with a plug, one end of the plug is fixedly connected with a fixing frame through a bolt, the inner wall of the plug is provided with a sealing ring, the inner wall of the plug is provided with a fixing assembly, and the inner wall of the plug is provided with an elastic assembly.

[0007] The fixed assembly comprises a bearing, and an inner wall of the bearing is provided with a screw rod, one end of the screw rod is fixedly connected with a hand wheel, and an outer wall of the screw rod is threadedly connected with a circular block, an inner wall of the circular block is slidably connected with a guide rod, an inner wall of the plug is slidably connected with a sliding rod, one end of the sliding rod is fixedly connected with a sliding block, an outer wall of the sliding block is fixedly connected with a fixed spring, the other end of the sliding rod is fixedly connected with an arc-shaped block, and an outer wall of the arc-shaped block is fixedly connected with a rubber pad.

[0008] The elastic assembly comprises a circular groove, and an inner wall of the circular groove is fixedly connected with a mounting spring.

[0009] Preferably, one end of the plug extends into the pipeline body, and an outer wall of the plug is matched with an inner wall of the pipeline body.

[0010] Preferably, the fixed frame and the screw rod form a rotating structure through a bearing, and one end of the screw rod is threadedly connected into the bearing through the circular block.

[0011] Preferably, the plurality of sliding rods are equidistantly arranged in the plug.

[0012] Preferably, an outer wall of the rubber pad is matched with an inner wall of the pipeline body in shape and size, and the outer wall of the rubber pad is matched with the inner wall of the pipeline body.

[0013] Preferably, the plurality of circular grooves are equidistantly arranged in the plug.

[0014] Preferably, one end of the circular head extends into the circular groove and is connected with the mounting spring, and an outer wall of the circular head is matched with an inner wall of the circular groove.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] Firstly, the utility model is provided with a bearing, a screw rod, a hand wheel, a circular block, a guide rod, a sliding rod, a sliding block, a fixed spring, an arc-shaped block and a rubber pad, when the plugging device is used to plug the pipeline, the screw rod is rotated by rotating the hand wheel, the circular block is moved to push the sliding block to move, the sliding block is moved to compress the fixed spring, the sliding rod drives the arc-shaped block to extend towards the inner wall of the pipeline body, the rubber pad is matched with the inner wall of the pipeline body, the arc-shaped blocks in different directions are arranged, pressure can be applied to the inner wall of the pipeline body from multiple directions at the same time, the inner wall of the pipeline body can be firmly matched, displacement of the plugging device in a complex underwater environment such as water flow impact is avoided, the durability of the plugging effect is ensured, the operation process is simple, the installation time is short, the efficiency is high when the pipeline is plugged, and the needs of people are met.

[0017] Second, the utility model discloses have round groove, install spring and round head, when the plug is inserted into the pipeline body, the pipeline body inner wall extrudes round head, and round head is provided with the pre-tightening force by the elastic force of install spring and is pressed tightly to the pipeline body inner wall, realizes the primary limit, and provides the stable foundation for subsequent fixed operation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram for the utility model;

[0019] Figure 2 It is pipeline body and plug structure schematic diagram for the utility model;

[0020] Figure 3 It is plug and slide rod structure schematic diagram for the utility model;

[0021] Figure 4 It is plug and round groove structure schematic diagram for the utility model.

[0022] Wherein: 1, pipeline body;2, cover plate;3, plug;4, fixed frame;5, sealing ring;6, fixed assembly;601, bearing;602, screw;603, hand wheel;604, round table block;605, guide rod;606, slide rod;607, sliding block;608, fixed spring;609, arc block;610, rubber pad;7, elastic assembly;701, round groove;702, install spring;703, round head. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] As Figures 1-4As shown, an underwater blind area pipeline plugging device, including pipeline body 1, one end of pipeline body 1 is provided with cover plate 2, and the outer wall of cover plate 2 is fixedly connected with plug 3, one end of plug 3 is fixedly connected with fixing frame 4 through bolt, the inner wall of plug 3 is provided with sealing ring 5, the inner wall of plug 3 is provided with fixing assembly 6, and the inner wall of plug 3 is provided with elastic assembly 7; Fixing assembly 6 includes bearing 601, and the inner wall of bearing 601 is provided with lead screw 602, one end of lead screw 602 is fixedly connected with hand wheel 603, and the outer wall of lead screw 602 is threadedly connected with circular block 604, and the inner wall of circular block 604 is slidably connected with guide rod 605, the inner wall of plug 3 is slidably connected with slide rod 606, one end of slide rod 606 is fixedly connected with sliding block 607, the outer wall of sliding block 607 is fixedly connected with fixed spring 608, the other end of slide rod 606 is fixedly connected with arc block 609, and the outer wall of arc block 609 is fixedly connected with rubber pad 610; Elastic assembly 7 includes circular groove 701, and the inner wall of circular groove 701 is fixedly connected with mounting spring 702, one end of mounting spring 702 is fixedly connected with circular head 703.

[0025] Through the above technical scheme, when the pipeline is plugged by using the plugging device, the hand wheel 603 is rotated to drive the lead screw 602 to rotate, so that the circular block 604 moves to push the sliding block 607 to move, the sliding block 607 moves to compress the fixed spring 608, so that the slide rod 606 drives the arc block 609 to stretch out to the inner wall of the pipeline body 1, so that the rubber pad 610 is attached to the inner wall of the pipeline body 1, and the arc block 609 is provided in multiple directions. The pressure can be applied to the inner wall of the pipeline body 1 from multiple directions at the same time, which can be firmly attached to the inner wall of the pipeline body 1, so as to avoid displacement of the plugging device in the complex underwater environment such as water flow impact, so as to ensure the durability of the plugging effect, the operation process is simple, the installation time is short, the plugging efficiency is high, and the needs of people are met; When the plug 3 is inserted into the pipeline body 1, the inner wall of the pipeline body 1 extrudes the circular head 703, so that the circular head 703 is tightly pressed against the inner wall of the pipeline body 1 by the elastic force of the mounting spring 702, providing pre-tightening force, realizing preliminary limiting, and providing stable basis for subsequent fixing operation.

[0026] Specifically, one end of the plug 3 extends into the pipeline body 1, and the outer wall of the plug 3 is attached to the inner wall of the pipeline body 1.

[0027] Through the above technical scheme, the sealing ring 5 on the plug 3 has two, and the inner wall of the cover plate 2 is also provided with the sealing ring 5, the plug 3 is installed into the pipeline body 1, the outer wall of the sealing ring 5 is attached to the pipeline body 1, the sealing property of the connection is strengthened, and leakage is effectively prevented.

[0028] Specifically, the fixing frame 4 and the lead screw 602 form a rotating structure through the bearing 601, and one end of the lead screw 602 is threadedly connected into the bearing 601 through the circular block 604.

[0029] Through the technical scheme, when the lead screw 602 rotates, the circular block 604 moves through the action of the guide rod 605, and the movement of the circular block 604 on the guide rod 605 is more stable.

[0030] Specifically, the number of the slide rods 606 is multiple, and the multiple slide rods 606 are arranged at equal distances in the plug 3.

[0031] Through the technical scheme, the multiple arc-shaped blocks 609 apply forces to the inner wall of the pipeline body 1 from different directions through the multiple slide rods 606, so that the arc-shaped blocks 609 can be well fixed against the pipeline body 1.

[0032] Specifically, the shape and size of the outer wall of the rubber pad 610 match the shape and size of the inner wall of the pipeline body 1, and the outer wall of the rubber pad 610 is attached to the inner wall of the pipeline body 1.

[0033] Through the technical scheme, by arranging the rubber pad 610, when the arc-shaped block 609 is pressed against the pipeline body 1 through the rubber pad 610, the rubber pad 610 enhances the friction, so that the arc-shaped block 609 is not easy to loosen, and the stability is enhanced.

[0034] Specifically, the number of the circular grooves 701 is multiple, and the multiple circular grooves 701 are arranged at equal distances in the plug 3.

[0035] Through the technical scheme, by arranging the multiple circular grooves 701, the installation of the multiple installation springs 702 and the circular heads 703 is facilitated.

[0036] Specifically, one end of the circular head 703 extends into the circular groove 701 and is connected with the installation spring 702, and the outer wall of the circular head 703 is attached to the inner wall of the circular groove 701.

[0037] Through the technical scheme, when the inner wall of the pipeline body 1 presses the circular head 703, the circular head 703 moves more stably on the inner wall of the circular groove 701, and the movement of the circular head 703 causes the installation spring 702 to contract. The circular head 703 is pressed against the inner wall of the pipeline body 1 through the elastic force of the installation spring 702, and is preliminarily limited and fixed.

[0038] In use, first push the plug 3, plug 3 is inserted into the pipe body 1, the outer wall of the cover plate 2 and the outer wall of the pipe body 1 fit, in the process of inserting, the inner wall of the pipe body 1 extrudes the round head 703, the round head 703 moves in the circular groove 701 to make the installation spring 702 contract, the installation spring 702 contracts and rebounds, the round head 703 is tightly pressed against the inner wall of the pipe body 1 by the elastic force of the installation spring 702, and preliminary limiting and fixing are carried out, the stability is enhanced, a stable basis is provided for subsequent operation, the operator rotates the hand wheel 603 manually, the hand wheel 603 drives the lead screw 602 to rotate, the lead screw 602 rotates more stably in the bearing 601, the lead screw 602 rotates to make the circular block 604 move on the guide rod 605, the circular block 604 moves to extrude the sliding block 607 to move, the sliding block 607 moves to compress the fixed spring 608, the sliding block 607 moves to drive the sliding rod 606 to move, the sliding rod 606 moves to drive the arc block 609 to move, the arc block 609 moves to drive the rubber pad 610 to move and fit the inner wall of the pipe body 1, by continuously rotating the hand wheel 603, a plurality of arc blocks 609 can simultaneously apply pressure to the inner wall of the pipe body 1 from different directions, the sliding block 607 is tightly pressed against the circular block 604 by the elastic force of the fixed spring 608, so that it is not easy to loosen, so that the sliding rod 606 always maintains the thrust force on the arc block 609, and is not easily loosened due to water flow impact, pipe vibration and other external factors, further enhancing the stability of the plugging device in the pipe, facilitating the plugging of the pipe body 1, the operation process is simple, the installation time is short, the pipe plugging efficiency is high, the needs of people are met, and the whole work is completed.

[0039] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An underwater blind zone pipe sealing device, comprising a pipe body (1), characterized in that: One end of the pipe body (1) is provided with a cover plate (2), and a plug (3) is fixedly connected to the outer wall of the cover plate (2). One end of the plug (3) is fixedly connected to a fixing bracket (4) by bolts. A sealing ring (5) is provided on the inner wall of the plug (3). A fixing component (6) is provided on the inner wall of the plug (3). An elastic component (7) is provided on the inner wall of the plug (3). The fixing component (6) includes a bearing (601), and a lead screw (602) is provided on the inner wall of the bearing (601). A handwheel (603) is fixedly connected to one end of the lead screw (602), and a frustum block (604) is threadedly connected to the outer wall of the lead screw (602). A guide rod (605) is slidably connected to the inner wall of the frustum block (604). A slide rod (606) is slidably connected to the inner wall of the plug (3), and a slider (607) is fixedly connected to one end of the slide rod (606). A fixing spring (608) is fixedly connected to the outer wall of the slider (607), and an arc block (609) is fixedly connected to the other end of the slide rod (606). A rubber pad (610) is fixedly connected to the outer wall of the arc block (609). The elastic component (7) includes a circular groove (701), and a mounting spring (702) is fixedly connected to the inner wall of the circular groove (701), and a round head (703) is fixedly connected to one end of the mounting spring (702).

2. The underwater blind zone pipeline sealing device according to claim 1, characterized in that: One end of the plug (3) extends into the pipe body (1), and the outer wall of the plug (3) is in contact with the inner wall of the pipe body (1).

3. The underwater blind zone pipeline sealing device according to claim 1, characterized in that: The fixed frame (4) forms a rotating structure with the lead screw (602) through the bearing (601), and one end of the lead screw (602) is threaded through the frustum block (604) and extends into the bearing (601) for connection.

4. The underwater blind zone pipeline sealing device according to claim 1, characterized in that: The number of slide rods (606) is multiple, and the multiple slide rods (606) are arranged in a ring at equal intervals inside the plug (3).

5. The underwater blind zone pipeline sealing device according to claim 1, characterized in that: The outer wall shape and size of the rubber pad (610) match the inner wall shape and size of the pipe body (1), and the outer wall of the rubber pad (610) is in contact with the inner wall of the pipe body (1).

6. The underwater blind zone pipeline sealing device according to claim 1, characterized in that: The number of circular grooves (701) is multiple, and the multiple circular grooves (701) are arranged in a ring around the plug (3) at equal intervals.

7. The underwater blind zone pipeline sealing device according to claim 1, characterized in that: One end of the round head (703) extends into the round groove (701) and is connected to the mounting spring (702), and the outer wall of the round head (703) fits against the inner wall of the round groove (701).

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