CN204717221U - Pipe pressure test end seal - Google Patents
Pipe pressure test end seal Download PDFInfo
- Publication number
- CN204717221U CN204717221U CN201520405851.4U CN201520405851U CN204717221U CN 204717221 U CN204717221 U CN 204717221U CN 201520405851 U CN201520405851 U CN 201520405851U CN 204717221 U CN204717221 U CN 204717221U
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- Prior art keywords
- pipeline
- pullover
- screw rod
- clamp
- pressure test
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- Expired - Fee Related
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- Pipe Accessories (AREA)
Abstract
The utility model provide a kind of to install fast, safety, equipment simplifies, and can complete pressure test fast; And reusable, without the need to welding, cutting and pipeline cleaning, the pipe pressure test end seal of reliable performance.It is pullover that it comprises a pair pipeline clamp, a pair flange plate and pipeline; The pullover one end of pipeline is provided with flange head, and the other end is provided with water intake; The pullover top of pipeline is also provided with relief opening, and bottom is also provided with drain opening; The pullover inwall of pipeline is provided with a ring-shaped step, and ring-shaped step is provided with seal ring, seal ring is provided with the pressing plate of annular; Pressing plate is fixedly connected with and tightens up screw rod, tighten up screw rod and penetrate seal ring, and stretch out in pipeline pullover outside, the external part tightening up screw rod is provided with and tightens up nut; Tighten up nut and tighten up screw rod and have three groups at least, the annular along seal ring is uniformly distributed; Pipeline clamp is used for clamping pipe, and pipeline clamp is linked together by flange plate and flange head.
Description
Technical field
The utility model relates to a kind of seal arrangement, specifically refers to a kind of for pipe pressure test end seal during pipeline pressure test.
Background technique
Operation procedure regulation relevant in prior art, after Pipe installing, should carry out pressure test according to designing requirement to pipe-line system.Object according to pressure test divides, and pressure test can be divided into the strength test checking mechanics properties ofpiping, the seal tightness test etc. checking pipeline quality of connection.Described pressure test, generally adopts the hydrostatic test.Common operating process is as follows: first boost to design pressure, observes pipeline with or without distortion and abnormal conditions, then boosts to test pressure; Then pressurize is generally ten minutes, does not fall pressure, pipeline is without exception for qualified, then Pressure Drop to design pressure, voltage stabilizing 30 minutes, sees whether pipeline has distortion and abnormal conditions; If there is no problem, then drained by the water in pipeline, pressure testing terminates.In hydrostatic test process, need the import and export to pipeline, namely end seals.And what usually adopt in prior art is following technological scheme: 1, before pressure testing, reserved mouth of pipe place uses blind plate or pipe cap welded closure, and blind plate or pipe cap are equipped with valve, pressure gauge.2, pressure testing equipment needed thereby is as air compressor, generator, pressuring pump, water pump etc.3, add pressure to pipeline and keep certain hour, whether qualifiedly observing pipeline.The inventor of present patent application, through repeatedly putting into practice, finds that above-mentioned technological scheme exists following deficiency: each test all needs to weld and a large amount of pipeline cleanings.Welding and cutting outfit is many, prepares trouble; Spent time is long, affects manufacturing schedule; Want cost high, increase expends.
In sum, be badly in need of at present wanting a kind of and install fast, safety, equipment simplifies, pressure test can be completed fast; And reusable, without the need to welding, cutting and pipeline cleaning, the pipe pressure test end seal of reliable performance.
Model utility content
The technical problems to be solved in the utility model is, provides a kind of and installs fast, safety, equipment simplifies, can complete pressure test fast; And reusable, without the need to welding, cutting and pipeline cleaning, the pipe pressure test end seal of reliable performance.
For solving the problems of the technologies described above, the technological scheme that the utility model provides is: a kind of pipe pressure test end seal, and it is pullover that it comprises a pair pipeline clamp, a pair flange plate and pipeline; One end that described pipeline is pullover is provided with flange head, and the other end is provided with water intake; The pullover top of pipeline is also provided with relief opening, and bottom is also provided with drain opening; The pullover inwall of pipeline is provided with a ring-shaped step, and described ring-shaped step is provided with seal ring, described seal ring is provided with the pressing plate of annular; Described pressing plate is fixedly connected with and tightens up screw rod, the described screw rod that tightens up penetrates seal ring, and stretch out in pipeline pullover outside, the external part tightening up screw rod is provided with and tightens up nut; Described tightening up nut and tighten up screw rod has three groups at least, and the annular along seal ring is uniformly distributed; Described pipeline clamp is used for clamping pipe, and described pipeline clamp is linked together by flange plate and flange head.
As preferably, described pipeline clamp is semi-circular, and the longitudinal end place of two of semicircular configuration is provided with contiguous block; An axial end portion of pipeline clamp is provided with clamp flange head; Groove is provided with between contiguous block and clamp flange head; Contiguous block is also provided with bolt hole; Supporting on bolt hole have lock bolt; Described flange plate is semi-circular, and flange plate to be stuck in groove and to be fastenedly connected by screw and flange head.
As preferably, described seal ring is polyurethane sealing ring.
As preferably, described tightening up nut and tighten up screw rod has four groups.
As preferably, described bolt hole is three.
After adopting said structure, the utility model has following beneficial effect: one end that described pipeline is pullover is provided with flange head, and the other end is provided with water intake; The pullover top of pipeline is also provided with relief opening, and bottom is also provided with drain opening; The pullover inwall of pipeline is provided with a ring-shaped step, and described ring-shaped step is provided with seal ring, described seal ring is provided with the pressing plate of annular; Described pressing plate is fixedly connected with and tightens up screw rod, the described screw rod that tightens up penetrates seal ring, and stretch out in pipeline pullover outside, the external part tightening up screw rod is provided with and tightens up nut; Jaw type design utilizes bolton clamp to hold pipeline tightly, and clamping force is larger, and test pressure is higher; By tie-rod pressing plate crush seal circle, make its distending, reach sealing effect.The reserved mouth of pipe on external-expanding type seal arrangement is utilized to be conducive to the feedwater of test system, ventilation and draining.The reusable cost that reduce further each test of external-expanding type seal arrangement.Easily damaged parts (Sealing and calliper assembly) can spot replace.Generally speaking, the utility model tool has the following advantages: the structure 1, by simplifying, and simplifies pressure testing device installation steps, saves the test time.2, reusable, save the loaded down with trivial details item of welding, reduce material consumption and cost.
In sum, the utility model provide a kind of to install fast, safety, equipment simplifies, and can complete pressure test fast; And reusable, without the need to welding, cutting and pipeline cleaning, the pipe pressure test end seal of reliable performance.
Accompanying drawing explanation
Fig. 1 is the side structure schematic diagram of pipe pressure test end seal in the utility model.
Fig. 2 is the perspective view after device in Fig. 1 installs pipeline.
Fig. 3 is that the side structure of device in Fig. 2 partly cuts open schematic diagram.
Fig. 4 is the structural representation of pipeline clamp in Fig. 3.
As shown in the figure: 1, pipeline clamp, 2, flange plate, 3, pipeline is pullover, 4, flange head, 5, water intake, 6, tighten up nut, 7, relief opening, 8, drain opening, 9, tighten up screw rod, 10, seal ring, 11, pressing plate, 12, tested pipeline, 101, contiguous block, 102, clamp flange head, 103, groove, 104, bolt hole.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
1 to accompanying drawing 4 by reference to the accompanying drawings, a kind of pipe pressure test end seal, and it comprises a pair pipeline clamp 1, a pair flange plate 2 and pipeline pullover 3; One end of described pipeline pullover 3 is provided with flange head 4, and the other end is provided with water intake 5; The top of pipeline pullover 3 is also provided with relief opening 7, and bottom is also provided with drain opening 8; The inwall of pipeline pullover 3 is provided with a ring-shaped step, described ring-shaped step is provided with seal ring 10, described seal ring 10 is provided with the pressing plate 11 of annular; Described pressing plate 11 is fixedly connected with and tightens up screw rod 9, the described screw rod 9 that tightens up penetrates seal ring 10, and stretches out in outside pipeline pullover 3, the external part tightening up screw rod 9 is provided with and tightens up nut 6; Described tightening up nut 6 and tighten up screw rod 9 has three groups at least, and the annular along seal ring 10 is uniformly distributed; Described pipeline clamp 1 is for clamping pipe, and described pipeline clamp 1 is linked together by flange plate 2 and flange head 4.Described pipeline clamp 1 is semi-circular, and the longitudinal end place of two of semicircular configuration is provided with contiguous block 101; An axial end portion of pipeline clamp 1 is provided with clamp flange head 102; Groove 103 is provided with between contiguous block 101 and clamp flange head 102; Contiguous block 101 is also provided with bolt hole 104; Supporting on bolt hole 104 have lock bolt; Described flange plate 2 is semi-circular, and flange plate 2 to be stuck in groove 103 and to be fastenedly connected by screw and flange head 4.Described seal ring 10 is polyurethane sealing ring.As preferably, described tightening up nut 6 and tighten up screw rod 9 has four groups.As preferably, described bolt hole 104 is three.
After adopting said structure, the utility model has following beneficial effect: one end of described pipeline pullover 3 is provided with flange head 4, and the other end is provided with water intake 5; The top of pipeline pullover 3 is also provided with relief opening 7, and bottom is also provided with drain opening 8; The inwall of pipeline pullover 3 is provided with a ring-shaped step, described ring-shaped step is provided with seal ring 10, described seal ring 10 is provided with the pressing plate 11 of annular; Described pressing plate 11 is fixedly connected with and tightens up screw rod 9, the described screw rod 9 that tightens up penetrates seal ring 10, and stretches out in outside pipeline pullover 3, the external part tightening up screw rod 9 is provided with and tightens up nut 6; Jaw type design utilizes bolton clamp to hold pipeline tightly, and clamping force is larger, and test pressure is higher; By tie-rod pressing plate crush seal circle, make its distending, reach sealing effect.The reserved mouth of pipe on external-expanding type seal arrangement is utilized to be conducive to the feedwater of test system, ventilation and draining.The reusable cost that reduce further each test of external-expanding type seal arrangement.Easily damaged parts (Sealing and calliper assembly) can spot replace.Generally speaking, the utility model tool has the following advantages: the structure 1, by simplifying, and simplifies pressure testing device installation steps, saves the test time.2, reusable, save the loaded down with trivial details item of welding, reduce material consumption and cost.
In sum, the utility model provide a kind of to install fast, safety, equipment simplifies, and can complete pressure test fast; And reusable, without the need to welding, cutting and pipeline cleaning, the pipe pressure test end seal of reliable performance.
Through facts have proved, pipe pressure test end seal disclosed in the utility model, simple and practical.Pressure testing device can be made to have different clamping forces to adapt to the test under different tube diameters, pressure by adjustment clamping bolt, maximum pressure test value can reach 20Mpa.Make its distending reach sealing effect by extruding polyurethane sealing ring, sealing effect is good.And other sealing materials can be selected, change simple if any wearing and tearing.It should be noted that in addition, the tested pipeline 12 shown in accompanying drawing 2 to 4 just depicts a bit of being used as and illustrates, during actual use, longer in a not drawings attached of the length of tested pipeline 12.
Be described the utility model and mode of execution thereof above, this description does not have restricted, and shown in accompanying drawing is also one of mode of execution of the present utility model, and actual structure is not limited thereto.If generally speaking those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the mode of structure similar to this technological scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (5)
1. a pipe pressure test end seal, is characterized in that: it comprises a pair pipeline clamp (1), a pair flange plate (2) and pipeline pullover (3); One end of described pipeline pullover (3) is provided with flange head (4), and the other end is provided with water intake (5); The top of pipeline pullover (3) is also provided with relief opening (7), and bottom is also provided with drain opening (8); The inwall of pipeline pullover (3) is provided with a ring-shaped step, described ring-shaped step is provided with seal ring (10), described seal ring (10) is provided with the pressing plate (11) of annular; Described pressing plate (11) is fixedly connected with and tightens up screw rod (9), the described screw rod (9) that tightens up penetrates seal ring (10), and stretch out in pipeline pullover (3) outward, the external part tightening up screw rod (9) is provided with and tightens up nut (6); Described tightening up nut (6) and tighten up screw rod (9) has three groups at least, and the annular along seal ring (10) is uniformly distributed; Described pipeline clamp (1) is for clamping pipe, and described pipeline clamp (1) is linked together by flange plate (2) and flange head (4).
2. pipe pressure test end seal according to claim 1, is characterized in that: described pipeline clamp (1) is semi-circular, and the longitudinal end place of two of semicircular configuration is provided with contiguous block (101); An axial end portion of pipeline clamp (1) is provided with clamp flange head (102); Groove (103) is provided with between contiguous block (101) and clamp flange head (102); Contiguous block (101) is also provided with bolt hole (104); Bolt hole (104) is above supporting lock bolt; Described flange plate (2) is semi-circular, and flange plate (2) to be stuck in groove (103) and to be fastenedly connected by screw and flange head (4).
3. pipe pressure test end seal according to claim 1, is characterized in that: described seal ring (10) is polyurethane sealing ring.
4. pipe pressure test end seal according to claim 1, is characterized in that: described tightening up nut (6) and tighten up screw rod (9) has four groups.
5. pipe pressure test end seal according to claim 2, is characterized in that: described bolt hole (104) is three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520405851.4U CN204717221U (en) | 2015-06-12 | 2015-06-12 | Pipe pressure test end seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520405851.4U CN204717221U (en) | 2015-06-12 | 2015-06-12 | Pipe pressure test end seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204717221U true CN204717221U (en) | 2015-10-21 |
Family
ID=54316222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520405851.4U Expired - Fee Related CN204717221U (en) | 2015-06-12 | 2015-06-12 | Pipe pressure test end seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204717221U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546267A (en) * | 2016-01-22 | 2016-05-04 | 江苏中核利柏特股份有限公司 | Plugging device for pipeline water pressure test |
| CN108458205A (en) * | 2018-04-23 | 2018-08-28 | 浙江省建材集团建筑产业化有限公司 | A kind of fire_fighting pipe network connector protection device |
| CN109141762A (en) * | 2018-10-18 | 2019-01-04 | 岳阳大陆激光技术有限公司 | A kind of rotary drum filter catheter device for detecting water pressure and method |
| CN109141736A (en) * | 2018-08-16 | 2019-01-04 | 广东联塑科技实业有限公司 | A kind of hydraulic test fixture |
| CN112664749A (en) * | 2020-12-31 | 2021-04-16 | 宁波埃尔法流体技术有限公司 | External holding type quick connecting pipe plug |
| CN115854162A (en) * | 2022-11-25 | 2023-03-28 | 沪东中华造船(集团)有限公司 | Hydraulic locking tool flange and using method thereof |
-
2015
- 2015-06-12 CN CN201520405851.4U patent/CN204717221U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546267A (en) * | 2016-01-22 | 2016-05-04 | 江苏中核利柏特股份有限公司 | Plugging device for pipeline water pressure test |
| CN108458205A (en) * | 2018-04-23 | 2018-08-28 | 浙江省建材集团建筑产业化有限公司 | A kind of fire_fighting pipe network connector protection device |
| CN109141736A (en) * | 2018-08-16 | 2019-01-04 | 广东联塑科技实业有限公司 | A kind of hydraulic test fixture |
| CN109141762A (en) * | 2018-10-18 | 2019-01-04 | 岳阳大陆激光技术有限公司 | A kind of rotary drum filter catheter device for detecting water pressure and method |
| CN109141762B (en) * | 2018-10-18 | 2024-01-23 | 岳阳大陆激光技术有限公司 | Hydraulic pressure detection device and method for liquid guide tube of rotary drum filter |
| CN112664749A (en) * | 2020-12-31 | 2021-04-16 | 宁波埃尔法流体技术有限公司 | External holding type quick connecting pipe plug |
| CN115854162A (en) * | 2022-11-25 | 2023-03-28 | 沪东中华造船(集团)有限公司 | Hydraulic locking tool flange and using method thereof |
| CN115854162B (en) * | 2022-11-25 | 2024-05-14 | 沪东中华造船(集团)有限公司 | Hydraulic locking tool flange and application method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20190612 |