CN104458135A - Pipeline pressure testing device and using method - Google Patents
Pipeline pressure testing device and using method Download PDFInfo
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- CN104458135A CN104458135A CN201310441131.9A CN201310441131A CN104458135A CN 104458135 A CN104458135 A CN 104458135A CN 201310441131 A CN201310441131 A CN 201310441131A CN 104458135 A CN104458135 A CN 104458135A
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- pipeline
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- flexible cable
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Abstract
The invention relates to a pipeline pressure testing device and a using method. The device is provided with a pair of blocking cores (1), one blocking core (1) is provided with a water filling pressurization nozzle (6), the two blocking cores (1) are fixed to a support plate (7) through connecting bolts (8), the support plate (7) is provided with a footing piece (10), by means of the footing piece (10), the support plate (7) is fixed to a base plate (4) through fixing bolts (9), the two opposite blocking cores (1) are each provided with a flexible cable (2), the two ends of each flexible cable (2) are fixed to tensioning devices (3) respectively, and the tensioning devices (3) are fixed to the base plate (4). The using method includes the steps that the blocking cores (1) are inserted in the two ends of a detected pipeline (5), the multiple turns of flexible cables (2) are wound at the two ends of the detected pipeline (5), by means of the water filling pressurization nozzle (6), the detected pipeline is filled with water and pressurized through a press machine, and a pressure test is performed on the detected pipeline.
Description
Technical field
The invention belongs to field of measuring technique, particularly relate to a kind of device and using method of pipeline pressure test, the pressure testing of different pipeline can be carried out comparatively easily.
Background technology
Pipeline pressure test is pipe production, processing enterprise and construction enterprises need the tentative work often carried out, and object is the quality checking pipeline, mainly check pipeline anti-in the ability of water (gas) pressure.The monitoring equipment used at present is according to different calibers, uses the fixture of different size to carry out shutoff to pipe ends.Complicated operation, time-consuming length, the fixture manufacturing cost particularly detecting large-diameter pipeline is very high, a set of about about 80,000 yuan of the matched clamp of diameter 50cm pipeline.Also have the pressure testing equipment that automaticity is high, but price is high, bulky, service condition is harsh.
Summary of the invention
According to the present situation of current pressure testing equipment, especially the detection of large-diameter pipeline is a very large difficult problem, the object of this invention is to provide a kind of easy to operate, pipeline pressure testing device and using method of fast, not needing fixture, reduce the cost of testing equipment, to facilitate the pressure detection of pipeline.Technical scheme of the present invention is as follows: a kind of pipeline pressure testing device, be provided with a pair shutoff core, shutoff core has certain length, one of them shutoff core is provided with water-filling pressurization and chews, and two shutoff cores utilize coupling bolt to be fixed on supporting plate respectively, and supporting plate is provided with footing piece, set bolt is utilized to be fixed on chassis by footing piece, relative two shutoff cores are respectively equipped with flexible cable, and the two ends of flexible cable are located on strainer respectively, and strainer is fixed on chassis.A kind of using method according to above-mentioned pipeline pressure testing device, detected pipeline is placed on chassis, shutoff core is inserted into the two ends of detected pipeline, shutoff core is fixed on supporting plate by coupling bolt, coupling bolt adds sealing gasket sealing liquid in shutoff in-core side, supporting plate is fixed on chassis by set bolt and footing piece, the position being provided with shutoff core in the two ends pipeline of detected pipeline is wrapped with multi-turn flexible cable respectively, strained by strainer in both sides, under the pulling force of drag-line, detected pipeline is compressed, be close on shutoff core, under the effect of two ends shutoff core and flexible cable, volume in detected pipeline becomes an airtight space, on side shutoff core, utilize water-filling to pressurize and chew and connect water-filling forcing pipe, by pressing machine to water-filling pressurization in pipeline, pressure test is carried out to pipeline.Under the effect of flexible cable, pipeline radially homogeneous compaction, on shutoff core, thus achieves the object of sealing.It is worthy of note, this apparatus and method are only effective to the pipeline that the elastic modulus of pipeline material is less, and the pipeline for the similar material such as steel pipe, concrete pipe is inapplicable.
The present invention is easy to operate, fast, not need fixture, reduces the cost of testing equipment, facilitates the pressure detection of pipeline.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention.
In figure, 1, shutoff core; 2, flexible cable; 3, strainer; 4, chassis; 5, detected pipeline; 6, water-filling pressurization is chewed; 7, supporting plate; 8, coupling bolt; 9, set bolt, 10, footing piece.
embodiment:
With reference to accompanying drawing, technical scheme of the present invention is as follows: a kind of pipeline pressure testing device, be provided with a pair shutoff core 1, shutoff core 1 has certain length, one of them shutoff core 1 is provided with water-filling pressurization and chews 6, two shutoff cores 1 utilize coupling bolt 8 to be fixed on supporting plate 7 respectively, supporting plate 7 is provided with footing piece 10, set bolt 9 is utilized to be fixed on chassis 4 by footing piece 10, relative two shutoff cores 1 are respectively equipped with flexible cable 2, the two ends of flexible cable 2 are located on strainer 3 respectively, and strainer 3 is fixed on chassis 4.Described flexible cable 2 is steel wire or wire rope, and described strainer 3 can adopt leading screw.
A kind of using method according to above-mentioned pipeline pressure testing device, detected pipeline is placed on chassis 4, shutoff core 1 is inserted into the two ends of detected pipeline 5, shutoff core 1 is fixed on supporting plate 7 by coupling bolt 8, coupling bolt 8 adds sealing gasket sealing liquid inside shutoff core 1, supporting plate 7 is fixed on chassis 4 by footing piece 10 and set bolt 9, the position being provided with shutoff core in the two ends pipeline of detected pipeline 5 is wrapped with multi-turn flexible cable 2 respectively, strained by strainer 3 in both sides, under the pulling force of flexible cable 2, detected pipeline 5 is compressed, be close on shutoff core 1, under the effect of two ends shutoff core 1 and flexible cable 2 and supporting plate 7, volume in detected pipeline 5 becomes an airtight space, on side shutoff core 1, utilize water-filling pressurization to chew 6 connection water-filling forcing pipes to be connected with pressing machine, by pressing machine to water-filling pressurization in pipeline, pressure test is carried out to pipeline, under the effect of flexible cable, pipeline radially homogeneous compaction on shutoff core 1, thus achieve the object of sealing.It is worthy of note, this apparatus and method are only effective to the pipeline that the elastic modulus of pipeline material is less, and the pipeline for the similar material such as steel pipe, concrete pipe is inapplicable.
According to the internal diameter of detected pipeline, the shutoff core 1 of processing certain length, the external diameter of shutoff core 1 is equal or greatly slightly biased with the internal diameter of detected pipeline.The pipeline that diameter is larger can adopt the steel pipe manufacturing that tube wall is thicker, and the adopted round steel that diameter is less makes (other materials also can be adopted to make, as long as compressive strength meets the demands).Require the diameter precision machining of shutoff core.Described flexible cable can adopt steel wire.
Claims (2)
1. a pipeline pressure testing device, it is characterized in that: this device is provided with a pair shutoff core (1), one of them shutoff core (1) is provided with water-filling pressurization and chews (6), two shutoff cores (1) utilize coupling bolt (8) to be fixed on supporting plate (7) respectively, supporting plate (7) is provided with footing piece (10), supporting plate (7) utilizes set bolt (9) to be fixed on chassis (4) by footing piece (10), relative two shutoff cores (1) are respectively equipped with flexible cable (2), the two ends of flexible cable (2) are located on strainer (3) respectively, strainer (3) is fixed on chassis (4).
2. the using method according to pipeline pressure testing device according to claim 1, it is characterized in that: detected pipeline is placed on chassis (4), shutoff core (1) is inserted into the two ends of detected pipeline (5), shutoff core (1) is fixed on supporting plate (7) by coupling bolt (8), coupling bolt (8) adds sealing gasket sealing liquid in shutoff core (1) inner side, supporting plate (7) utilizes set bolt (9) to be fixed on chassis (4) by footing piece (10), the position being provided with shutoff core in the two ends pipeline of detected pipeline (5) is wrapped with multi-turn flexible cable (2) respectively, in both sides by strainer (3) tension, under the pulling force of flexible cable (2), detected pipeline (5) is compressed, be close on shutoff core (1), under the effect of two ends shutoff core (1) and flexible cable (2), volume in detected pipeline (5) becomes an airtight space, on side shutoff core (1), utilize water-filling pressurization to chew (6) connection water-filling forcing pipe to be connected with pressing machine, by pressing machine to water-filling pressurization in detected pipeline, pressure test is carried out to detected pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310441131.9A CN104458135A (en) | 2013-09-25 | 2013-09-25 | Pipeline pressure testing device and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310441131.9A CN104458135A (en) | 2013-09-25 | 2013-09-25 | Pipeline pressure testing device and using method |
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| Publication Number | Publication Date |
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| CN104458135A true CN104458135A (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310441131.9A Pending CN104458135A (en) | 2013-09-25 | 2013-09-25 | Pipeline pressure testing device and using method |
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| CN (1) | CN104458135A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547601A (en) * | 2016-03-02 | 2016-05-04 | 成都来宝石油设备有限公司 | Oil transportation pipeline butt joint sealing performance detection device |
| CN106284516A (en) * | 2016-08-29 | 2017-01-04 | 中国水利水电第十三工程局有限公司 | Water supply line suppress construction technology |
| CN107748042A (en) * | 2017-11-30 | 2018-03-02 | 贝兹维仪器(苏州)有限公司 | A kind of positive seal system safety testing device |
| CN108732027A (en) * | 2018-08-07 | 2018-11-02 | 常州华厦建设工程质量检测有限公司 | A kind of Concrete and reinforced concrete drainage and sewer pipes internal pressure loading test device |
| CN108776069A (en) * | 2018-07-17 | 2018-11-09 | 中北大学 | A kind of pipeline strength detection device of pressure vessel |
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| US4629226A (en) * | 1985-04-16 | 1986-12-16 | Bks Company | Pipe lap joint with collapsible sealing zone and band clamp |
| US20060071471A1 (en) * | 2004-10-04 | 2006-04-06 | Breeze-Torca Products, Llc | Pipe lap joint with improved sealing slot for increased circumferential closure |
| CN201281650Y (en) * | 2008-10-28 | 2009-07-29 | 任开春 | Portable apparatus for detecting leakage of straight stitch welded steel pipe |
| CN202886206U (en) * | 2012-10-11 | 2013-04-17 | 合肥实华管件有限责任公司 | Portable hydraulic test device |
| CN203490039U (en) * | 2013-09-25 | 2014-03-19 | 山东省水利科学研究院 | Pipeline pressure testing device |
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2013
- 2013-09-25 CN CN201310441131.9A patent/CN104458135A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4629226A (en) * | 1985-04-16 | 1986-12-16 | Bks Company | Pipe lap joint with collapsible sealing zone and band clamp |
| US20060071471A1 (en) * | 2004-10-04 | 2006-04-06 | Breeze-Torca Products, Llc | Pipe lap joint with improved sealing slot for increased circumferential closure |
| CN201281650Y (en) * | 2008-10-28 | 2009-07-29 | 任开春 | Portable apparatus for detecting leakage of straight stitch welded steel pipe |
| CN202886206U (en) * | 2012-10-11 | 2013-04-17 | 合肥实华管件有限责任公司 | Portable hydraulic test device |
| CN203490039U (en) * | 2013-09-25 | 2014-03-19 | 山东省水利科学研究院 | Pipeline pressure testing device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547601A (en) * | 2016-03-02 | 2016-05-04 | 成都来宝石油设备有限公司 | Oil transportation pipeline butt joint sealing performance detection device |
| CN106284516A (en) * | 2016-08-29 | 2017-01-04 | 中国水利水电第十三工程局有限公司 | Water supply line suppress construction technology |
| CN107748042A (en) * | 2017-11-30 | 2018-03-02 | 贝兹维仪器(苏州)有限公司 | A kind of positive seal system safety testing device |
| CN108776069A (en) * | 2018-07-17 | 2018-11-09 | 中北大学 | A kind of pipeline strength detection device of pressure vessel |
| CN108732027A (en) * | 2018-08-07 | 2018-11-02 | 常州华厦建设工程质量检测有限公司 | A kind of Concrete and reinforced concrete drainage and sewer pipes internal pressure loading test device |
| CN108732027B (en) * | 2018-08-07 | 2024-05-28 | 常州华厦建设工程质量检测有限公司 | Internal pressure load test device for concrete and reinforced concrete drain pipes |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |