Temporary plugging equipment for municipal water supply pipeline construction

Abstract

The utility model provides temporary plugging equipment for municipal water supply pipeline construction, and belongs to the technical field of water supply pipeline construction, the temporary plugging equipment comprises a fixed cylinder and an air bag, two ends of the fixed cylinder are respectively provided with a first mounting structure and a second mounting structure, the first mounting structure comprises a plurality of telescopic rods, and the telescopic rods are arranged on the outer wall of the fixed cylinder; the second installation structure comprises an installation cover, arc-shaped clamping blocks are movably connected into four rectangular sliding openings in the installation cover, and the arc-shaped clamping blocks are tightly attached to the outer wall of the water pipe. The air bag is effectively prevented from moving or popping up instantly due to water flow impact, the safety of operators is guaranteed, air can be continuously exhausted from the air bag subsequently to gradually drain water, the water flow impact force is reduced, pipelines and surrounding facilities are protected, and meanwhile the construction environment is prevented from being polluted by sewage.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to the technical field of water supply pipeline construction, specifically is a municipal water supply pipeline construction temporary plugging equipment. BACKGROUND

[0002] Water supply pipeline system as the key component of city infrastructure construction, plays the extremely important influence and the role in the city's economic development, resident life and environmental protection and so on many aspects, when water supply pipeline enters the construction stage, in order to ensure the normal operation of water supply pipeline and subsequent maintenance work, needs to carry out detailed overhaul to water supply pipeline gradually, and in this process, in order to prevent water from accidentally overflowing from the pipe opening of water supply pipeline, must take temporary plugging measures to the mouth of water supply pipeline, therefore, the use of temporary plugging equipment is particularly necessary.

[0003] Staff usually adopts pipeline plugging air bag to carry out plugging operation to exposed pipeline mouth, and the pipeline plugging air bag is inflated gradually by the way of filling gas to its inside, when the gas pressure in the pipeline plugging air bag reaches the specified required value, the pipeline plugging air bag can fill the entire pipe section, and the friction force between the wall of pipeline plugging air bag and the pipe can effectively block the possible water leakage, so as to realize the rapid blocking of water flow in the target pipe section, however, when the water flow in the pipeline is large, and the water pressure is too high, in the process of withdrawing the plugging air bag, the huge pressure water can directly flush out the air bag from the pipe opening, so that the large flow of water directly leaks out without any obstruction, which leads to certain risk in the withdrawal operation.

[0004] Therefore, in order to solve the above problems, we developed a kind of temporary plugging equipment specially for municipal water supply pipeline construction, which can better adapt to different water pressure and water flow in design and function, effectively guarantee the safety and stability in the process of water supply pipeline construction, and provide important guarantee for the smooth progress of city infrastructure construction. CONTENT OF THE UTILITY MODEL

[0005] The utility model technical scheme provides a significantly different solution from the prior art, which solves the technical problem that the existing technical solution is too single.

[0006] The utility model solves the above technical problems by adopting the following technical scheme:

[0007] The utility model provides a kind of municipal water supply pipeline construction temporary plugging equipment, including fixed cylinder and air bag, air bag is annular structure, and air bag sleeve is located on the outer wall of fixed cylinder, the first installation structure and the second installation structure are respectively arranged in the both ends of the fixed cylinder, the first installation structure includes multiple telescopic rods, telescopic rod is arranged on the outer wall of fixed cylinder, the front end of each telescopic rod is provided with support plate, support plate is tightly attached to the inner wall of water pipe, the second installation structure includes installation cover, installation cover is located in one end of fixed cylinder, four rectangular slide openings on the installation cover are movably connected with arc clamping block, and arc clamping block is tightly attached to the outer wall of water pipe.

[0008] Further, the first installation structure further includes a lead screw, the lead screw is rotatably connected to an axis inside the fixed cylinder, a nut seat is provided on the lead screw, a plurality of hinged rods are hingedly connected to the nut seat, and the front end of each hinged rod is hingedly connected to a corresponding support plate.

[0009] Further, four threaded holes in the outer edge of the installation cover are threadedly connected with locking bolts, and the front end of each locking bolt is rotatably connected to a corresponding arc clamping block.

[0010] Further, a through hole is provided at the center of the installation cover, and the unthreaded end of the lead screw passes through the through hole.

[0011] Further, an anti-skid pad is provided on each of the arc clamping block and the support plate.

[0012] Further, an external connection pipe is provided on one side of the outer wall of the air bag, and the external connection pipe passes through a round hole in the installation cover.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The fixed cylinder, the lead screw, the nut seat, the hinged rod, the telescopic rod, the support plate, the installation cover, the arc clamping block and the locking bolt are provided, so that when the water thrust exceeds the friction of the air bag on the pipeline during the removal of the air bag, the air bag is effectively prevented from being displaced or ejected by the water flow, the safety of the workers is ensured, the air bag can be continuously deflated for gradual water discharge, the water flow impact force is reduced, the pipeline and the surrounding facilities are protected, the construction environment is prevented from being polluted by sewage, the structure is stable, the installation cover and the support plate can be individually disassembled, the operation is convenient, and the utility model has certain practical value.

[0015] The utility model will be explained in detail in combination with the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0017] Fig. 2The utility model discloses a fixed cylinder internal structure section view schematic drawing;

[0018] Fig. 3 The utility model discloses an installation cover section view schematic drawing.

[0019] In the drawing: 1, fixed cylinder, 2, first installation structure, 201, screw rod, 202, nut seat, 203, articulated rod, 204, telescopic rod, 205, support plate, 3, second installation structure, 301, installation cover, 302, arc clamping block, 303, locking bolt, 304, through -hole, 305, antiskid pad, 4, air bag, 401, external connection pipe. Specific implementation

[0020] In order to facilitate understanding the utility model, below will refer to relevant drawings and the utility model is carried out more comprehensive description, and the drawings have shown several embodiments of the utility model, but the utility model can be realized through different forms, and is not limited to the embodiment described in the text, on the contrary, provides these embodiments are for making the content disclosed in the utility model more thorough and comprehensive.

[0021] It needs to be explained that when an element is called "fixedly arranged on" another element, it can be directly on another element or there can be a middle element, when an element is considered "connected" to another element, it can be directly connected to another element or there can be a middle element, the terms "vertical", "horizontal", "left", "right" and similar expressions used in this paper are only for illustrative purposes.

[0022] Unless otherwise defined, all technical and scientific terms used in this paper have the same meaning as that commonly connected by the person skilled in the art belonging to the technical field of the utility model, the terms used in the specification of the utility model in this paper are for the purpose of describing specific embodiments, not intended to limit the utility model, the term "and / or" used in this paper includes any and all combinations of one or more related listed items.

[0023] Please refer to the drawings Figs. 1-3 A kind of municipal water supply pipeline construction temporary plugging equipment, including fixed cylinder 1 and air bag 4, air bag 4 is annular structure, and air bag 4 is sleeved on the outer wall of fixed cylinder 1, the both ends of the fixed cylinder 1 are provided with first installation structure 2 and second installation structure 3 respectively, the first installation structure 2 includes multiple telescopic rods 204, telescopic rod 204 is arranged on the outer wall of fixed cylinder 1, the front end of each telescopic rod 204 is provided with support plate 205, support plate 205 is tightly attached to the inner wall of water pipe, the second installation structure 3 includes installation cover 301, installation cover 301 is located at one end of fixed cylinder 1, four rectangular slide openings on the installation cover 301 are movably connected with arc clamping block 302, arc clamping block 302 is tightly attached to the outer wall of water pipe.

[0024] Through the above structure, when the water thrust exceeds the friction of the pipeline to the air bag 4, the air bag 4 is effectively prevented from being displaced or ejected by the water flow in an instant during the process of removing the air bag 4, the safety of the operator is ensured, and the air bag 4 can be continuously deflated subsequently to gradually drain water, reduce the water flow impact force, protect the pipeline and surrounding facilities, avoid the construction environment from being polluted by sewage, and the structure is stable, easy to operate, and has certain practical value.

[0025] The specific operation is as follows: first, the device is placed on the section of the water pipe, the cover 301 is tightly attached to the section, then the non-threaded part of the tail end of the lead screw 201 is twisted, the nut seat 202 moves away from the cover 301 on the lead screw 201, at the same time, the nut seat 202 drives the articulated rods 203 and, under the cooperation of the extension rods 204, the support plates 205 are spread apart, so that the support plates 205 are tightly attached to the inner wall of the water pipe, providing an outward force to the inner wall of the water pipe, then the locking bolt 303 is twisted, so that the arc-shaped clamping blocks 302 clamp the outer wall of the water pipe, providing an inward force to the outer wall of the water pipe, thereby installing the device as a whole to the section of the water pipe, then connecting the external pipe 401 to the air pump (existing equipment, not shown in the drawing) to inflate the air bag 4 to fill and block the inside of the water pipe.

[0026] Please refer to the accompanying drawings Fig. 2 and the accompanying drawings Fig. 3 , the first mounting structure 2 further comprises a lead screw 201 which is rotationally connected to the axis inside the fixed cylinder 1, a nut seat 202 is arranged on the lead screw 201, a plurality of articulated rods 203 are articulated on the nut seat 202, and the front end of each articulated rod 203 is articulated with a corresponding support plate 205. Through the cooperation between the lead screw 201, the nut seat 202 and the articulated rods 203, the support plates 205 are spread apart along the radial direction of the water pipe section. Four threaded holes are formed in the outer edge of the cover 301, and a locking bolt 303 is threadedly connected in each threaded hole. The front end of each locking bolt 303 is rotationally connected with a corresponding arc-shaped clamping block 302. Through the cooperation between the arc-shaped clamping block 302 and the locking bolt 303, the cover 301 is positioned at the section of the water pipe. A through hole 304 is formed at the center position of the cover 301, and the non-threaded end of the lead screw 201 penetrates through the through hole 304, facilitating the rotation of the lead screw 201 by the construction personnel. A non-slip pad 305 is arranged on each arc-shaped clamping block 302 and support plate 205. Through the non-slip pad 305, the maximum static friction between the support plate 205 and the arc-shaped clamping block 302 and the pipe wall is increased. An external pipe 401 is arranged on one side of the outer wall of the air bag 4, and the external pipe 401 penetrates through the circular hole of the cover 301. Through the external pipe 401, the air bag 4 is inflated and deflated.

[0027] The utility model has carried out the exemplary description to the utility model in the above-mentioned combination drawing, obviously the utility model concrete realization is not limited by above-mentioned mode, only if the method conception and technical scheme of the utility model have been used to carry out this kind of non-essential improvement, or the conception and technical scheme of the utility model are directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A temporary plugging equipment for municipal water supply pipeline construction, comprising a fixed cylinder (1) and an air bag (4), the air bag (4) is in a ring structure, and the air bag (4) is sleeved on the outer wall of the fixed cylinder (1), characterized in that, The both ends of the fixed cylinder (1) are respectively provided with a first mounting structure (2) and a second mounting structure (3), the first mounting structure (2) comprises a plurality of telescopic rods (204), the telescopic rod (204) is arranged on the outer wall of the fixed cylinder (1), the front end of each telescopic rod (204) is provided with a support plate (205), the support plate (205) is close to the inner wall of the water pipe, the second mounting structure (3) comprises a mounting cover (301), the mounting cover (301) is located at one end of the fixed cylinder (1), four rectangular sliding ports on the mounting cover (301) are movably connected with arc clamping blocks (302), and the arc clamping blocks (302) are close to the outer wall of the water pipe.

2. The temporary plugging equipment for municipal water supply pipeline construction of claim 1, wherein, The first mounting structure (2) further comprises a lead screw (201), the lead screw (201) is rotatably connected to the axis inside the fixed cylinder (1), the lead screw (201) is provided with a nut seat (202), a plurality of hinged rods (203) are hinged on the nut seat (202), and the front end of each hinged rod (203) is hinged with the corresponding support plate (205).

3. The temporary plugging equipment for municipal water supply pipeline construction of claim 1, characterized in that, The four threaded holes in the outer edge of the mounting cover (301) are all threadedly connected with locking bolts (303), and the front end of each locking bolt (303) is rotatably connected with the corresponding arc clamping block (302).

4. The temporary plugging equipment for municipal water supply pipeline construction of claim 3, characterized in that, The center position of the mounting cover (301) is provided with a through hole (304), and the threaded end of the lead screw (201) penetrates through the through hole (304).

5. The temporary plugging equipment for municipal water supply pipeline construction of claim 3, characterized in that, Each of the arc clamping blocks (302) and the support plates (205) is provided with a non-slip pad (305).

6. The temporary plugging equipment for municipal water supply pipeline construction of claim 1, wherein, The outer wall of the air bag (4) is provided with an external pipe (401), and the external pipe (401) penetrates through the round hole on the mounting cover (301).

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