CN220271027U - Special pressure testing frock of PE feed pipe - Google Patents
Special pressure testing frock of PE feed pipe Download PDFInfo
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- CN220271027U CN220271027U CN202320339171.1U CN202320339171U CN220271027U CN 220271027 U CN220271027 U CN 220271027U CN 202320339171 U CN202320339171 U CN 202320339171U CN 220271027 U CN220271027 U CN 220271027U
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- pressure test
- water supply
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000004698 Polyethylene Substances 0.000 description 10
- 230000006872 improvement Effects 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to the technical field of water pipe pressure test, and discloses a special pressure test fixture for a PE water supply pipe, which comprises a pipe expanding device, a fixing piece, a water inlet pipe, a plug head and a pull rod, wherein the pipe expanding device comprises a device main body, one end of the fixing piece is rotationally connected with the opening end of the device main body, the fixing piece is of an arc-shaped structure, a zigzag clamping bulge is arranged on the inner side surface of the fixing piece, two ends of the two fixing pieces are connected through a locking bolt and a locking nut, the plug head is internally provided with the plug head, a rubber ring is sleeved on the plug head, the large end of the plug head faces the opening end of the device main body, one end of the pull rod is fixedly connected with the small end of the plug head, the other end of the pull rod penetrates through the closed end of the device main body and then is connected with a tensioning nut, the other end of the water inlet pipe sequentially penetrates through the middle part of the plug head and the middle part of the pull rod and then is connected with a pressing pipe, and the pressing pipe is externally connected with a pressing device. The PE water supply pipe sectional pressure test device can improve the working efficiency of PE water supply pipe sectional pressure test, can be quickly assembled and disassembled, and can be repeatedly used.
Description
Technical Field
The utility model relates to the technical field of water pipe pressure test, in particular to a pressure test tool special for a PE water supply pipe.
Background
At present, many outdoor water supply projects comprise outdoor fire control, indoor fire control, fire control self-injection and life water supply pipelines, PE (polyethylene) water supply pipes are adopted, the quantity of pipelines of a comprehensive pipe network is large, the number of branch points and the number of the branches are wide, and projects of sectional construction and sectional pressure test are carried out in the construction process. If the traditional pressure test method is adopted, the transition pipe fitting is installed at the pipe orifice end and can be connected with the pressure test device, the pressure test device is dismantled after the pressure test is finished, a large amount of manpower and material resources are required to be input, and the construction cost is high. Therefore, the special pressure test tool for the PE water supply pipe, which can be quickly installed and detached, is very needed to be manufactured.
Disclosure of Invention
In view of the above, the utility model aims to provide a special pressure test tool for a PE water supply pipe, which can improve the working efficiency of PE water supply pipe sectional pressure test, has a simple structure, is convenient to operate, can be quickly assembled and disassembled, has low cost and can be repeatedly used.
In order to achieve the above object, the following technical scheme is adopted:
the utility model provides a special pressure testing frock of PE feed pipe, includes expand tube device, mounting, inlet tube, chock plug and pull rod, expand tube device includes the device main part, the device main part is inside hollow cylindrical structure, the one end of device main part is sealed, and the other end opening, the one end of mounting is rotated with the open end of device main part and is connected, the mounting is the arc structure, be equipped with zigzag card on the medial surface of mounting and protruding, two connect through lock bolt and lock nut between the both ends of mounting, the inside chock plug that is equipped with of device main part, the cover is equipped with the rubber circle on the chock plug, the open end of chock plug orientation device main part, the one end and the tip fixed connection of chock plug, threaded connection has tensioning nut after the blind end of device main part is passed to the other end, one side that is close to the device main part open end of inlet tube is equipped with the water inlet, be connected with the pressure pipe after the other end of inlet tube passes chock plug middle part and pull rod middle part in proper order, the external pressure device that presses of pipe.
As a further improvement of the present utility model, one end of the fixing member is rotatably hinged to the open end of the apparatus body by a hinge shaft.
As a further improvement of the utility model, a control valve is arranged on the pressing pipe.
As a further improvement of the utility model, the control valve is a ball valve or a stop valve.
As a further improvement of the utility model, the pressing pipe is provided with an external wire head, and the external wire head is externally connected with a pressing device.
As a further improvement of the utility model, a gasket is arranged on the pressing pipe at a position between the closed end of the device main body and the tensioning nut.
As a further improvement of the utility model, the axes of the plug head, the pull rod and the device main body are coincident.
The beneficial effects of the utility model are as follows: the utility model can improve the working efficiency of PE water supply pipe sectional pressure test, and has simple structure and convenient operation. When the pressure test device is used, one end can be directly connected with the socket at the pipe orifice end, the other end is connected with the pressure test device, the operation is simple and quick, the rapid assembly and disassembly can be realized, the cost is low, and the pressure test device can be used repeatedly.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 is a schematic structural view of the present utility model.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
As shown in fig. 1, a special pressure testing tool for a PE water supply pipe comprises a pipe expanding device 1, a fixing piece 2, a water inlet pipe 3, a plug 4 and a pull rod 5, the pipe expanding device 1 comprises a device main body 11, the device main body 11 is of a cylindrical structure with hollow inside, one end of the device main body 11 is closed, the other end is opened, one end of the fixing piece 2 is rotationally connected with the opening end of the device main body 11, the fixing piece 2 is of an arc-shaped structure, a zigzag clamping boss 21 is arranged on the inner side surface of the fixing piece 2, the two fixing pieces 2 are connected through a locking bolt 22 and a locking nut between the two ends of the fixing piece 2, the plug 4 is arranged inside the device main body 11, a rubber ring 6 is sleeved on the plug 4, the large end of the plug 4 faces the opening end of the device main body 11, one end of the pull rod 5 is fixedly connected with the small end of the plug 4, the other end of the pull rod passes through a tensioning nut 7 in a threaded manner after the closed end of the device main body 11, one side of the water inlet pipe 3, which is close to the opening end of the device main body 11, a water inlet port 31 is arranged, the other end of the water inlet pipe 3 sequentially passes through the middle part 4 and the middle part 5, and is connected with a plug 8, and the plug 8 is externally connected with a plug 8.
One end of the fixing member 2 is rotatably hinged to the open end of the apparatus body 11 by a hinge shaft 23.
The control valve 81 is installed on the pressurizing pipe 8.
The control valve 81 is a ball valve or a stop valve.
The outer wire head 82 is arranged on the pressing pipe 8, and a pressing device is externally connected to the outer wire head 82.
A gasket 83 is arranged on the pressing pipe 8 at a position between the closed end of the device main body 11 and the tensioning nut 7.
The axes of the plug 4, the pull rod 5 and the device main body 11 are overlapped.
When in use, the utility model comprises the following steps:
(1) Mounting of a pressure testing tool:
the pipe expanding device 1 is placed at the pipe orifice of the pipe 9 to be tested, meanwhile, the water inlet 31 and the plug head 4 are arranged inside the pipe 9 to be tested, the pipe 9 to be tested is wrapped by the fixing pieces 2 of the two band saw tooth-shaped clamping protrusions 21 of the pipe expanding device 1, the pipe 9 to be tested is clamped firmly through the fixing pieces 2 and the locking bolts 22, and the locking nuts are tightened. Then the plug head 4 and the pull rod 5 are moved simultaneously by fastening the tightening nut 7, and at the same time, the rubber ring 6 and the inner wall of the pipeline 9 to be tested are subjected to preliminary extrusion to realize sealing.
(2) Adopting a pressure test tool to test the pressure:
the pressure test fixture is assembled according to the steps, and the pressure test is started after the external pressing device is externally connected to the external wire head 82. Before the pressure test starts, firstly, the control valve 81 is opened, water is injected into the system pipeline from the external pressurizing device, the high position of the pipeline system is exhausted, then the pipeline 9 to be tested is filled with water and air is exhausted, and the water injection valve is closed. Then the pressure test pump is started, and high-pressure water enters the pipeline 9 to be tested along the pipe orifice of the external thread head 82 and the water inlet pipe 3. Due to the action of high pressure, the plug 4 and the pull rod 5 move simultaneously, and meanwhile, the rubber ring 6 and the inner wall of the pressure test pipeline move relatively, and the rubber ring 6 expands radially, so that the pipe orifice of the pipeline 9 to be tested is automatically sealed.
After the pressure test is finished, the control valve 81 is closed, the external pressurizing device is removed, then a drain pipe is connected, the control valve 81 is opened, water in the pipeline 9 to be tested is discharged through the water inlet pipe 3 and the drain pipe, and the water pump is connected to pump the water when necessary. After the water in the pressure test pipeline 9 is discharged, the tension nut 7 is loosened to release pressure, and the pressure test tool can be removed.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, component disassembly, or combination thereof, etc. that falls within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. Special pressure testing frock of PE feed pipe, its characterized in that: including expand tube device, mounting, inlet tube, chock plug and pull rod, expand tube device includes the device main part, the device main part is inside hollow cylindrical structure, the one end of device main part is sealed, and the other end is open, the one end of mounting is rotated with the open end of device main part and is connected, the mounting is the arc structure, be equipped with zigzag card on the medial surface of mounting and protruding, two connect through lock bolt and lock nut between the both ends of mounting, the inside chock plug that is equipped with of device main part, the cover is equipped with the rubber circle on the chock plug, the open end of device main part is oriented to the big end of chock plug, threaded connection has tensioning nut after the blind end of device main part is passed to the one end of pull rod and chock plug, one side that is close to the device main part open end of inlet tube is equipped with the water inlet, is connected with the pressure pipe after the other end of inlet tube passes chock plug middle part and pull rod middle part in proper order, the external pressure device that presses of pressure pipe.
2. The special pressure test tool for a PE water supply pipe according to claim 1, wherein: one end of the fixing member is rotatably hinged to the open end of the apparatus body by a hinge shaft.
3. The special pressure test tool for a PE water supply pipe according to claim 1, wherein: and a control valve is arranged on the pressing pipe.
4. The special pressure testing tool for the PE water supply pipe according to claim 3, wherein: the control valve is a ball valve or a stop valve.
5. The special pressure test tool for a PE water supply pipe according to claim 1, wherein: the outer wire head is arranged on the pressing pipe, and the outer wire head is externally connected with a pressing device.
6. The special pressure test tool for a PE water supply pipe according to claim 1, wherein: and a gasket is arranged at the position, between the closed end of the device main body and the tensioning nut, on the pressing pipe.
7. The special pressure test tool for a PE water supply pipe according to claim 1, wherein: the axes of the plug head, the pull rod and the device main body are overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320339171.1U CN220271027U (en) | 2023-02-28 | 2023-02-28 | Special pressure testing frock of PE feed pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320339171.1U CN220271027U (en) | 2023-02-28 | 2023-02-28 | Special pressure testing frock of PE feed pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220271027U true CN220271027U (en) | 2023-12-29 |
Family
ID=89314664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320339171.1U Active CN220271027U (en) | 2023-02-28 | 2023-02-28 | Special pressure testing frock of PE feed pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220271027U (en) |
-
2023
- 2023-02-28 CN CN202320339171.1U patent/CN220271027U/en active Active
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