CN105546267A - Plugging device for pipeline water pressure test - Google Patents
Plugging device for pipeline water pressure test Download PDFInfo
- Publication number
- CN105546267A CN105546267A CN201610041423.7A CN201610041423A CN105546267A CN 105546267 A CN105546267 A CN 105546267A CN 201610041423 A CN201610041423 A CN 201610041423A CN 105546267 A CN105546267 A CN 105546267A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- pipe cap
- seal ring
- pressure test
- screw
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/115—Caps
- F16L55/1152—Caps fixed by screwing or by means of a screw-threaded ring
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a plugging device for a pipeline water pressure test. The plugging device comprises a pipe cap and a pipeline fixing clamp, wherein the pipeline fixing clamp is fixed to a pipeline and is close to the end of the pipeline; the pipe cap is arranged at the end of the pipeline in a sleeving mode and fixedly connected with the fixing clamp; the pipe cap seals the end port of the pipeline; a sealing ring is arranged between an inner cavity of the pipe cap and the outer peripheral wall of the pipeline; a sealing ring fixing device used for fixing the sealing ring is arranged on the pipe cap; the pipe cap is provided with a water inlet connector, a water drainage connector and an air exhausting connector communicating with an inner hole of the pipeline. The plugging device for the pipeline water pressure test is simple in structure, is quite convenient to mount and dismount, does not need welding operation, greatly shortens the time of the pressure test, and reduces the test cost.
Description
Technical field
The present invention relates to a kind of blocking device, referring to a kind of for carrying out hydraulic pressure test blocking device to pipeline especially.
Background technique
At present, when carrying out pressure test to pipeline, need to carry out shutoff to the end of pipeline, in pipeline, feed test liquid water again and keep the stipulated time under pressure, then, the operation at present carrying out shutoff to pipeline is the port utilizing shutoff plug to be welded on the two ends of pipeline, plug is provided with water intake, drain opening and air outlet, when needing test, plug is first welded on the two ends of pipeline, then water intake is utilized to improve the water of certain pressure to inner bore of pipeline, after pressurize certain hour, water is emptying, then again plug is dismantled.Length consuming time in whole pressure test sequence, welding and the dismantlement work of plug are loaded down with trivial details, the end of easy damaged pipeline, and also need to carry out later stage welding stress elimination to pipeline after dismounting plug, testing cost increases.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of pipeline hydraulic pressure to test blocking device, this pipeline hydraulic pressure test blocking device structure is simple, mounts and dismounts all very convenient, without the need to welding operation, shorten the time of pressure test greatly, reduce testing cost.
For solving the problems of the technologies described above, technological scheme of the present invention is: a kind of pipeline hydraulic pressure test blocking device, comprise pipe cap and pipe fixing holder tool, described pipe fixing holder tool is fixed on pipeline and the end of close pipeline, described pipe cap is sleeved on the end of pipeline and is fixedly connected with between mounting fixture, described pipe cap is by the port sealing of pipeline, seal ring is provided with between the inner chamber of described pipe cap and the periphery wall of pipeline, described pipe cap is provided with the seal ring fixing device of fixing described seal ring, described pipe cap is provided with the water supply connector be communicated with inner bore of pipeline, drainage joint and exhaust joint.
As the preferred scheme of one, described pipe fixing holder tool comprises two chuck halfbodies cooperatively interacted, each chuck halfbody comprises the semicircular cylinder portion of an anchor ear on pipeline periphery and is arranged at the web portion of longitudinal side in semicircular cylinder portion, a lateral ends in this semicircular cylinder portion is provided with limiting board portion, and the web portion of two chuck halfbodies is cooperatively interacted and fixed by fastening piece.
As the preferred scheme of one, the inner circle wall in described semicircular cylinder portion is provided with the slideproof tooth strengthening enclasping force.
As the preferred scheme of one, described pipe fixing holder tool comprises the retaining ring that diameter is greater than pipeline, this Fixing shrink ring is contained in the periphery of pipeline, retaining ring radially slides several fixture blocks are installed, this fixture block is provided with the inner peripheral surface coordinated with the periphery wall of pipeline, retaining ring is provided with the force application mechanism for all applying chucking power to the outer circumferential face of each fixture block.
As the preferred scheme of one, described force application mechanism comprises the radial direction force screw be installed on retaining ring, and this radial direction force medial extremity of screw coordinates with the outer circumferential face of fixture block, each fixture block acts on many radial force screws.
As the preferred scheme of one, described retaining ring is provided with the radial protrusion of a circle radial projection, corresponding each fixture block is provided with the arc groove coordinated with described radial protrusion.
As the preferred scheme of one, the outer side surface of each fixture block is provided with screw, described retaining ring is provided with the screw radial slide opening one to one on several and each fixture block, described retaining ring radially slides the radial slide bar being provided with and running through radial slide opening, the inner end screw thread of radial slide bar is installed in screw, is provided with Compress Spring between radial slide bar and retaining ring.
As the preferred scheme of one, described seal ring fixing device comprise be installed on pipe cap several axially fasten screw, described pipe cap is arranged seal ring installation cavity, described seal ring is installed in seal ring installation cavity, in sealing circle installation cavity, seal ring pressing plate is installed, described seal ring pressing plate is provided with several installation screws, described in axially fasten screw and run through seal ring and be installed in the installation screw of seal ring pressing plate.
After have employed technique scheme, effect of the present invention is: due to pipeline hydraulic pressure test blocking device, comprise pipe cap and pipe fixing holder tool, described pipe fixing holder tool is fixed on pipeline and the end of close pipeline, described pipe cap is sleeved on the end of pipeline and is fixedly connected with between mounting fixture, described pipe cap is by the port sealing of pipeline, seal ring is provided with between the inner chamber of described pipe cap and the periphery wall of pipeline, described pipe cap is provided with the seal ring fixing device of fixing described seal ring, described pipe cap is provided with the water supply connector be communicated with inner bore of pipeline, drainage joint and exhaust joint, therefore, when hydraulic pressure test, first pipe fixing holder tool is fixed on pipeline, then pipe cap be sleeved on the end of pipeline and fix with pipe fixing holder tool, sealing circle is utilized to seal, can effective Leakage prevention when being filled with hydraulic pressure like this, whole test process is without the need to welding operation, also the stress elimination operation in later stage is just eliminated, this blocking device is installed fast, convenient disassembly, shorten to install and apply, reduce testing cost, simultaneously little to pipe surface damage, reusable, Stress testing loss can reach 20Mpa.
Again because described pipe fixing holder tool comprises two chuck halfbodies cooperatively interacted, each chuck halfbody comprises the semicircular cylinder portion of an anchor ear on pipeline periphery and is arranged at the web portion of longitudinal side in semicircular cylinder portion, a lateral ends in this semicircular cylinder portion is provided with limiting board portion, the web portion of two chuck halfbodies is cooperatively interacted and is fixed by fastening piece, the fixation of this pipe fixing holder tool, the mode of holding tightly is utilized to realize the fixing of pipeline, simultaneously, utilize limiting board portion can be set with adpting flange in semicircular cylinder portion, adpting flange is utilized to be connected with pipe cap, connect reliable.
Again because described pipe fixing holder tool comprises the retaining ring that diameter is greater than pipeline, this Fixing shrink ring is contained in the periphery of pipeline, retaining ring radially slides several fixture blocks are installed, this fixture block is provided with the inner peripheral surface coordinated with the periphery wall of pipeline, retaining ring is provided with the force application mechanism for all applying chucking power to the outer circumferential face of each fixture block, this scheme utilizes fixture block clamping pipe, and clamping force can be adjusted by force application mechanism, fixing more firm, reliability is higher.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the end-face structure figure of the embodiment of the present invention 1;
Fig. 2 is the sectional view of Fig. 1 at A-A place;
Fig. 3 is the end view of pipe cap;
Fig. 4 is the sectional view of pipe cap;
Fig. 5 is the front schematic view of retaining ring;
Fig. 6 is the sectional view at the B-B place of Fig. 5;
Fig. 7 is the structural representation of fixture block;
Fig. 8 is the sectional view at the C-C place of Fig. 7;
Fig. 9 is the sectional view at the D-D place of Fig. 7;
Figure 10 is the sectional view of embodiment 2;
Figure 11 is the end view of embodiment 2;
In accompanying drawing: 1. retaining ring; 101. radial force screw installation screws; 102. radial slide openings; 103. radial protrusion; 104. axial connecting screw holes; 2. radial force screw; 3. radial slide bar; 4. Compress Spring; 5. fixture block; 501. screw; 502. arc groove; 6. attachment screw; 7. pipeline 7; 8. pipe cap; 9. axially fasten screw; 10. water supply connector; 11. seal rings; 12. seal ring pressing plates; 13. exhaust joints; 14. drainage joints; 15. seal ring installation cavitys; 16. suspension ring mounting holes; 17. chuck halfbodies; 1701. web portion; 1702. limiting board portion; 1703. semicircular cylinder portion; 18. adpting flanges; 19. suspension ring; 20. slideproof tooth;
Embodiment
Below by specific embodiment, the present invention is described in further detail.
Embodiment 1
As shown in Figures 1 to 9, a kind of pipeline 7 hydraulic pressure test blocking device, comprise pipe cap 8 and pipe fixing holder tool, described pipe fixing holder tool is fixed on the pipeline 7 and end of close pipeline 7, described pipe cap 8 is sleeved on the end of pipeline 7 and is fixedly connected with between mounting fixture, described pipe cap 8 is by the port sealing of pipeline 7, seal ring 11 is provided with between the inner chamber of described pipe cap 8 and the periphery wall of pipeline 7, described pipe cap 8 is provided with seal ring 11 fixing device of fixing described seal ring 11, described pipe cap 8 is provided with the water supply connector 10 be communicated with pipeline 7 endoporus, drainage joint 14 and exhaust joint 13.
As shown in Figure 3 and Figure 4, described pipe cap is a tubular structure and the one end open the other end is provided with end plate, it is circular shoulder hole that pipe cap inside is provided with two cross sections, in this shoulder hole, large diameter circular hole is used for installing seal ring 11 and seal ring pressing plate 12 as seal ring installation cavity 15, and the circular hole of small aperture is used for connecting pipe 7 endoporus.The opening end of pipe cap is provided with flange part, this flange part is provided with suspension ring mounting hole 16,19, suspension ring are arranged in flange part by screw, and this flange part is mainly used for being connected with pipe fixing holder tool.
In the present embodiment, described pipe fixing holder tool comprises the retaining ring 1 that diameter is greater than pipeline 7, this retaining ring 1 is sleeved on the periphery of pipeline 7, retaining ring 1 radially slides several fixture blocks 5 are installed, in the present embodiment, the quantity of fixture block 5 is four, this fixture block 5 is provided with the inner peripheral surface coordinated with the periphery wall of pipeline 7, this inner peripheral surface is provided with slideproof tooth 20, be used for increasing enclasping force, prevent retaining ring 1 from sliding axially, retaining ring 1 is provided with the force application mechanism for all applying chucking power to the outer circumferential face of each fixture block 5.
Described force application mechanism comprises the radial direction force screw 2 be installed on retaining ring 1, the medial extremity of this radial direction force screw 2 coordinates with the outer circumferential face of fixture block 5, each fixture block 5 acts on many radial force screws 2, as depicted in figs. 1 and 2, the outer side surface of each fixture block 5 is provided with screw 501, described retaining ring 1 is provided with the screw 501 radial slide opening 102 one to one on several and each fixture block 5, described retaining ring 1 radially slides the radial slide bar 3 being provided with and running through radial slide opening 102, the inner end screw thread of radial slide bar 3 is installed in screw 501, Compress Spring 4 is provided with between radial slide bar 3 and retaining ring 1, and corresponding four the radial force screws 2 of each fixture block 5, its two rows that distribute in the axial direction, often arrange radially direct two, chucking power suffered by such fixture block 5 is more even.Be screwed into the degree of depth and adjustable gripping power by what regulate radial force screw 2, thus adapt to the compression requirement of different hydraulic pressure test, can 20Mpa be reached.
In order to make fixture block 5 better radially slide on retaining ring 1, described retaining ring 1 is provided with the radial protrusion 103 of a circle radial projection, corresponding each fixture block 5 is provided with the arc groove 502 coordinated with described radial protrusion 103.Radial protrusion 103 is constrained in arc groove 502, thus realizes the spacing of axis, and fixture block 5 can only move radially.
As shown in Figure 5 and Figure 6, the end face of retaining ring 1 is provided with axial connecting screw hole 104, be connected by attachment screw 6 between this axial connecting screw hole 104 and the flange part on pipe cap, the outer circumferential face of retaining ring 1 be provided with radial force screw 2 installation screw 101, radial slide opening 102.
Described seal ring 11 fixing device comprise be installed on pipe cap 8 several axially fasten screw 9, described pipe cap 8 arranges seal ring installation cavity 15, described seal ring 11 is installed in seal ring installation cavity 15, in sealing circle installation cavity 15, seal ring pressing plate 12 is installed, described seal ring pressing plate 12 is provided with several installation screws, described in axially fasten screw 9 and run through seal ring 11 and be installed in the installation screw of seal ring pressing plate 12.
Embodiment 2
This embodiment is substantially identical with the structure of embodiment 1, just pipe fixing holder has and distinguished, adopt the mode of fixture block 5 radial compaction to realize the fixing of pipeline 7 in embodiment 1, and in the present embodiment, described pipe fixing holder tool comprises two chuck halfbodies 17 cooperatively interacted, each chuck halfbody 17 comprises the semicircular cylinder portion 1703 of an anchor ear on pipeline 7 periphery and is arranged at the web portion 1701 of longitudinal side in semicircular cylinder portion 1703, a lateral ends in this semicircular cylinder portion 1703 is provided with limiting board portion 1702, the web portion 1701 of two chuck halfbodies 17 is cooperatively interacted and is fixed by fastening piece.The inner circle wall in described semicircular cylinder portion 1703 is provided with the slideproof tooth 20 strengthening enclasping force.Adpting flange 18 is installed in two semicircular cylinder portions 1703, utilizes adpting flange 18 to fix with the flange part bolt of pipe cap.
Operating process of the present invention is:
1. determine pipeline 7 size (external diameter and material), select corresponding blocking device;
2. pipe fixing holder tool is enclosed within one end specified position being inserted in pipeline 7, then pipe cap 8 is enclosed within pipeline 7 end and is connected with pipe fixing holder tool bolt.
3. select corresponding moment of torsion to tighten pipe fixing holder tool according to test pressure;
4. in pipeline 7, add test media;
5. give pipeline 7 supercharging, and keep the time of requirement
6. pressure release hollow testing medium side by side;
7. remove blocking device.
Whole simple to operate, install, dismantle very convenient, can Reusability, accommodation can be done according to pressure, without the need to welding, reduce cost, improve efficiency.
The above embodiment is only the description to the preferred embodiment of the present invention; not as limiting the scope of the invention; design on the basis of spirit not departing from the present invention; the various distortion make technical solution of the present invention and transformation, all should fall in protection domain that claims of the present invention determine.
Claims (8)
1. a pipeline hydraulic pressure test blocking device, it is characterized in that: comprise pipe cap and pipe fixing holder tool, described pipe fixing holder tool is fixed on pipeline and the end of close pipeline, described pipe cap is sleeved on the end of pipeline and is fixedly connected with between mounting fixture, described pipe cap is by the port sealing of pipeline, seal ring is provided with between the inner chamber of described pipe cap and the periphery wall of pipeline, described pipe cap is provided with the seal ring fixing device of fixing described seal ring, described pipe cap is provided be communicated with inner bore of pipeline water supply connector, drainage joint and exhaust joint.
2. a kind of pipeline hydraulic pressure test blocking device as claimed in claim 1, it is characterized in that: described pipe fixing holder tool comprises two chuck halfbodies cooperatively interacted, each chuck halfbody comprises the semicircular cylinder portion of an anchor ear on pipeline periphery and is arranged at the web portion of longitudinal side in semicircular cylinder portion, a lateral ends in this semicircular cylinder portion is provided with limiting board portion, and the web portion of two chuck halfbodies is cooperatively interacted and fixed by fastening piece.
3. a kind of pipeline hydraulic pressure test blocking device as claimed in claim 2, is characterized in that: the inner circle wall in described semicircular cylinder portion is provided with the slideproof tooth strengthening enclasping force.
4. a kind of pipeline hydraulic pressure test blocking device as claimed in claim 1, it is characterized in that: described pipe fixing holder tool comprises the retaining ring that diameter is greater than pipeline, this Fixing shrink ring is contained in the periphery of pipeline, retaining ring radially slides several fixture blocks are installed, this fixture block is provided with the inner peripheral surface coordinated with the periphery wall of pipeline, retaining ring is provided with the force application mechanism for all applying chucking power to the outer circumferential face of each fixture block.
5. a kind of pipeline hydraulic pressure test blocking device as claimed in claim 4, it is characterized in that: described force application mechanism comprises the radial direction force screw be installed on retaining ring, this radial direction force medial extremity of screw coordinates with the outer circumferential face of fixture block, each fixture block acts on many radial force screws.
6. a kind of pipeline hydraulic pressure test blocking device as claimed in claim 5, is characterized in that: the radial protrusion described retaining ring being provided with a circle radial projection, corresponding each fixture block is provided with the arc groove coordinated with described radial protrusion.
7. a kind of pipeline hydraulic pressure test blocking device as claimed in claim 6, it is characterized in that: the outer side surface of each fixture block is provided with screw, described retaining ring is provided with the screw radial slide opening one to one on several and each fixture block, described retaining ring radially slides the radial slide bar being provided with and running through radial slide opening, the inner end screw thread of radial slide bar is installed in screw, is provided with Compress Spring between radial slide bar and retaining ring.
8. a kind of pipeline hydraulic pressure test blocking device as described in any one of claim 1 to 7, it is characterized in that: described seal ring fixing device comprise be installed on pipe cap several axially fasten screw, described pipe cap is arranged seal ring installation cavity, described seal ring is installed in seal ring installation cavity, in sealing circle installation cavity, seal ring pressing plate is installed, described seal ring pressing plate is provided with several installation screws, described in axially fasten screw and run through seal ring and be installed in the installation screw of seal ring pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610041423.7A CN105546267B (en) | 2016-01-22 | 2016-01-22 | A kind of pipeline hydraulic pressure tests plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610041423.7A CN105546267B (en) | 2016-01-22 | 2016-01-22 | A kind of pipeline hydraulic pressure tests plugging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105546267A true CN105546267A (en) | 2016-05-04 |
| CN105546267B CN105546267B (en) | 2018-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610041423.7A Active CN105546267B (en) | 2016-01-22 | 2016-01-22 | A kind of pipeline hydraulic pressure tests plugging device |
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| CN (1) | CN105546267B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421095A (en) * | 2017-06-14 | 2017-12-01 | 美的集团股份有限公司 | Indoor apparatus of air conditioner and air conditioner |
| GB2554935A (en) * | 2016-10-14 | 2018-04-18 | Mcgarian Bruce | An apparatus for sealing a pipe |
| CN107990080A (en) * | 2017-11-29 | 2018-05-04 | 苏州水博士建材科技有限公司 | A kind of plug applied to straight tube end |
| 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 |
| CN109237193A (en) * | 2018-10-24 | 2019-01-18 | 海洋石油工程（青岛）有限公司 | The no-welding expanding blocking device of pressure test of snap ring-type |
| 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 |
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| US6408887B2 (en) * | 2000-04-17 | 2002-06-25 | Rick Rahimzadeh | Dual size plumbing end cap |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2554935A (en) * | 2016-10-14 | 2018-04-18 | Mcgarian Bruce | An apparatus for sealing a pipe |
| WO2018069710A1 (en) * | 2016-10-14 | 2018-04-19 | Bruce Mcgarian | An apparatus for sealing a pipe |
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| CN107421095A (en) * | 2017-06-14 | 2017-12-01 | 美的集团股份有限公司 | Indoor apparatus of air conditioner and air conditioner |
| CN107421095B (en) * | 2017-06-14 | 2022-08-26 | 美的集团股份有限公司 | Air conditioner indoor unit and air conditioner |
| CN107990080A (en) * | 2017-11-29 | 2018-05-04 | 苏州水博士建材科技有限公司 | A kind of plug applied to straight tube end |
| 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 |
| CN109237193A (en) * | 2018-10-24 | 2019-01-18 | 海洋石油工程（青岛）有限公司 | The no-welding expanding blocking device of pressure test of snap ring-type |
| 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 |
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|---|---|
| CN105546267B (en) | 2018-01-26 |
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