CN205038099U - Pipe pressure testing tip sealing device - Google Patents
Pipe pressure testing tip sealing device Download PDFInfo
- Publication number
- CN205038099U CN205038099U CN201520781380.7U CN201520781380U CN205038099U CN 205038099 U CN205038099 U CN 205038099U CN 201520781380 U CN201520781380 U CN 201520781380U CN 205038099 U CN205038099 U CN 205038099U
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- Prior art keywords
- pipe
- gripping sleeve
- bolt
- pressure test
- sleeve
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Abstract
The utility model provides an installation is quick, safety, equipment are retrencied, can accomplish pressure test fast, and repeatedly usable, need not welding, cutting and pipeline and wash, the dependable performance can adapt to the pipe pressure testing tip sealing device of different pipe diameters. It includes the end cover, is equipped with water inlet, outlet and air bleeding valve on the end cover, is equipped with one section on the end cover and is used for inserting the sleeve pipe by the test pipe, overlaps the intraductal annular step face that is equipped with, its characterized in that: installing the sealing washer on the annular step face, being stamped the clamp plate on the sealing washer, the clamp plate passes through bolt fixed connection on the end cover, clamping mechanism is installed outward to the clamp plate, and clamping mechanism includes a gripping sleeve, is equipped with a plurality of tight units of clamp that are become by the tight block group in puller bolt, connecting bolt and top on the gripping sleeve, the puller bolt passes the gripping sleeve and offsets with the tight piece in top, and connecting bolt will push up tight piece swing joint on the gripping sleeve, clamping mechanism is outer to have the apron through bolted connection.
Description
Technical field
The utility model relates to a kind of packoff, specifically refers to a kind of for pipe pressure test end seal during pipeline pressure test.
Background technology
Work flow regulation relevant in prior art, after Pipe installing, should carry out pressure test according to designing requirement to piping system.Object according to pressure test divides, and pressure test can be divided into the strength test checking mechanics properties ofpiping, the impermeability test etc. checking pipeline quality of connection.Described pressure test, generally adopts the hydraulic testing.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 hydraulic testing process, need the import and export to pipeline, namely end seals.And what usually adopt in prior art is following technical 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, tensimeter.2, pressure testing equipment needed thereby is as air compressor machine, 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 technical scheme exists following weak point: 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, dependable performance, can adapt to the pipe pressure test end seal of different tube diameters.
Utility model 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, dependable performance, can adapt to the pipe pressure test end seal of different tube diameters.
For solving the problems of the technologies described above, the technical scheme that the utility model provides is: a kind of pipe pressure test end seal, it comprises end cap, described end cap is provided with water inlet, freeing port and vent valve, described end cap is provided with one section for inserting the sleeve pipe of tested pipe, is provided with an annular table terrace in described sleeve pipe; Described annular table terrace is provided with O-ring seal, described O-ring seal is stamped pressing plate, described pressing plate is bolted to connection on end cap; Be provided with clamp system outside described pressing plate, described clamp system comprises a gripping sleeve, and described gripping sleeve is provided with multiple clamping unit be made up of puller bolt, coupling bolt and withstanding tight block; Described puller bolt offsets through gripping sleeve and withstanding tight block, and withstanding tight block is movably connected on gripping sleeve by described coupling bolt; Cover plate has been bolted outside described clamp system.
As preferably, described clamping unit is six, is evenly distributed on gripping sleeve.
As preferably, described withstanding tight block is provided with anti-slop serrations for the one side contacted with tested pipe.
As preferably, described coupling bolt is installed with spring, one end of spring and the bolt head of coupling bolt offset, and the other end and the gripping sleeve outer wall of spring offset.
As preferably, described O-ring seal is U-shaped O-ring seal, and the U-shaped opening on O-ring seal is towards water inlet.
After adopting said structure, the utility model has following beneficial effect: be provided with an annular table terrace in described sleeve pipe; Described annular table terrace is provided with O-ring seal, described O-ring seal is stamped pressing plate, described pressing plate is bolted to connection on end cap; Be provided with clamp system outside described pressing plate, described clamp system comprises a gripping sleeve, and described gripping sleeve is provided with multiple clamping unit be made up of puller bolt, coupling bolt and withstanding tight block; Described puller bolt offsets through gripping sleeve and withstanding tight block, and withstanding tight block is movably connected on gripping sleeve by described coupling bolt; Cover plate has been bolted outside described clamp system.Adopt bolt to hold out against clamp block by clamped design and hold pipeline tightly, and within one week, be uniformly distributed multiple clamp block, clamp puller bolt power is larger, and test pressure is higher; Sealing adopts the sealing of U-shaped seal element, utilize pressure in pipe fitting to give seal element and exert pressure, thus it is larger to reach overpressure, and seal element sealing is tighter, and pressure test pressure is higher.The reserved mouth of pipe on packoff is utilized to be conducive to the feedwater of test macro, ventilation and draining.The reusable cost that reduce further each test of external-expanding type packoff.Consumable accessory can spot replace.Clamp block is fixedly clamped: simple and practical.Pressure testing device can be made to have different pressures to adapt to the test under different tube diameters, pressure by adjustment puller bolt.
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, dependable performance, can adapt to the pipe pressure test end seal of different tube diameters.
Accompanying drawing explanation
Fig. 1 is the structural representation of pipe pressure test end seal in the utility model.
Fig. 2 is the sectional structure schematic diagram of Fig. 1.
Fig. 3 is the right side viewing angle constructions schematic diagram of Fig. 1.
Fig. 4 is the perspective view structural representation of Fig. 1.
As shown in the figure: 1, end cap, 2, water inlet, 3, freeing port, 4, vent valve, 5, clamp system, 6, puller bolt, 7, coupling bolt, 8, withstanding tight block, 9, cover plate, 10, O-ring seal, 11, pipe.
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, it comprises end cap 1, and described end cap is provided with water inlet 2, freeing port 3 and vent valve 4, described end cap 1 is provided with one section for inserting the sleeve pipe of tested pipe, is provided with an annular table terrace in described sleeve pipe; Described annular table terrace is provided with O-ring seal 10, described O-ring seal 10 is stamped pressing plate, described pressing plate is bolted to connection on end cap 1; Be provided with clamp system 5 outside described pressing plate, described clamp system comprises a gripping sleeve, and described gripping sleeve is provided with multiple clamping unit be made up of puller bolt 6, coupling bolt 7 and withstanding tight block 8; Described puller bolt 6 offsets through gripping sleeve and withstanding tight block 8, and withstanding tight block 8 is movably connected on gripping sleeve by described coupling bolt 7; Cover plate 9 has been bolted outside described clamp system.
As preferably, described clamping unit is six, is evenly distributed on gripping sleeve.
As preferably, described withstanding tight block 8 is provided with anti-slop serrations for the one side contacted with tested pipe.
As preferably, described coupling bolt 7 is installed with spring, one end of spring and the bolt head of coupling bolt 7 offset, and the other end and the gripping sleeve outer wall of spring offset.
As preferably, described O-ring seal 10 is U-shaped O-ring seal, and the U-shaped opening on O-ring seal is towards water inlet 2.
After adopting said structure, the utility model has following beneficial effect: be provided with an annular table terrace in described sleeve pipe; Described annular table terrace is provided with O-ring seal 10, described O-ring seal 10 is stamped pressing plate, described pressing plate is bolted to connection on end cap 1; Be provided with clamp system 5 outside described pressing plate, described clamp system comprises a gripping sleeve, and described gripping sleeve is provided with multiple clamping unit be made up of puller bolt 6, coupling bolt 7 and withstanding tight block 8; Described puller bolt 6 offsets through gripping sleeve and withstanding tight block 8, and withstanding tight block 8 is movably connected on gripping sleeve by described coupling bolt 7; Cover plate 9 has been bolted outside described clamp system.Adopt bolt to hold out against clamp block by clamped design and hold pipeline tightly, and within one week, be uniformly distributed multiple clamp block, clamp puller bolt power is larger, and test pressure is higher; Sealing adopts the sealing of U-shaped seal element, utilize pressure in pipe fitting to give seal element and exert pressure, thus it is larger to reach overpressure, and seal element sealing is tighter, and pressure test pressure is higher.The reserved mouth of pipe on packoff is utilized to be conducive to the feedwater of test macro, ventilation and draining.The reusable cost that reduce further each test of external-expanding type packoff.Consumable accessory can spot replace.Clamp block is fixedly clamped: simple and practical.Pressure testing device can be made to have different pressures to adapt to the test under different tube diameters, pressure by adjustment puller bolt.
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, dependable performance, can adapt to the pipe pressure test end seal of different tube diameters.
In the specific implementation, after described tested pipe 11 is in place, the pressure in proving installation makes U-shaped structure reach sealing effectiveness to both sides spreading by extruding polyurethane sealing ring to the utility model, and sealing effectiveness is good.O-ring seal also can select other encapsulants simultaneously, changes simple if any wearing and tearing.The crown of the anti-slop serrations on described withstanding tight block 8 tilts to water inlet 2 one end.
Be described the utility model and embodiment thereof above, this description does not have restricted, and shown in accompanying drawing is also one of embodiment 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 frame mode similar to this technical 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, it comprises end cap (1), described end cap is provided with water inlet (2), freeing port (3) and vent valve (4), described end cap (1) is provided with one section for inserting the sleeve pipe of tested pipe, is provided with an annular table terrace in described sleeve pipe; It is characterized in that: described annular table terrace is provided with O-ring seal (10), described O-ring seal (10) is stamped pressing plate, and described pressing plate is bolted to connection on end cap (1); Clamp system (5) is installed outside described pressing plate, described clamp system comprises a gripping sleeve, and described gripping sleeve is provided with multiple clamping unit be made up of puller bolt (6), coupling bolt (7) and withstanding tight block (8); Described puller bolt (6) offsets through gripping sleeve and withstanding tight block (8), and withstanding tight block (8) is movably connected on gripping sleeve by described coupling bolt (7); Cover plate (9) has been bolted outside described clamp system.
2. pipe pressure test end seal according to claim 1, is characterized in that: described clamping unit is six, is evenly distributed on gripping sleeve.
3. pipe pressure test end seal according to claim 1, is characterized in that: described withstanding tight block (8) is provided with anti-slop serrations for the one side contacted with tested pipe.
4. pipe pressure test end seal according to claim 1, it is characterized in that: described coupling bolt (7) is installed with spring, the bolt head of one end of spring and coupling bolt (7) offsets, and the other end and the gripping sleeve outer wall of spring offset.
5. pipe pressure test end seal according to claim 1, is characterized in that: described O-ring seal (10) is U-shaped O-ring seal, and the U-shaped opening on O-ring seal is towards water inlet (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520781380.7U CN205038099U (en) | 2015-10-10 | 2015-10-10 | Pipe pressure testing tip sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520781380.7U CN205038099U (en) | 2015-10-10 | 2015-10-10 | Pipe pressure testing tip sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205038099U true CN205038099U (en) | 2016-02-17 |
Family
ID=55296995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520781380.7U Expired - Fee Related CN205038099U (en) | 2015-10-10 | 2015-10-10 | Pipe pressure testing tip sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205038099U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109253851A (en) * | 2018-08-28 | 2019-01-22 | 中国核工业二三建设有限公司 | A kind of valve air pressure test device |
| CN109632469A (en) * | 2018-12-10 | 2019-04-16 | 南通耀华建设工程质量检测有限公司 | A kind of tubing sealed cartridge of high sealing performance |
| CN111337206A (en) * | 2020-04-02 | 2020-06-26 | 苏州协同创新智能制造装备有限公司 | Ball valve water injection detection method |
-
2015
- 2015-10-10 CN CN201520781380.7U patent/CN205038099U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109253851A (en) * | 2018-08-28 | 2019-01-22 | 中国核工业二三建设有限公司 | A kind of valve air pressure test device |
| CN109632469A (en) * | 2018-12-10 | 2019-04-16 | 南通耀华建设工程质量检测有限公司 | A kind of tubing sealed cartridge of high sealing performance |
| CN111337206A (en) * | 2020-04-02 | 2020-06-26 | 苏州协同创新智能制造装备有限公司 | Ball valve water injection detection method |
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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 |
Granted publication date: 20160217 Termination date: 20191010 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |