CN112611645A - Groove type pipe fitting pressure testing method - Google Patents
Groove type pipe fitting pressure testing method Download PDFInfo
- Publication number
- CN112611645A CN112611645A CN202011602163.9A CN202011602163A CN112611645A CN 112611645 A CN112611645 A CN 112611645A CN 202011602163 A CN202011602163 A CN 202011602163A CN 112611645 A CN112611645 A CN 112611645A
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- pressure
- pipeline
- clamping
- pipe fitting
- end cover
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000010998 test method Methods 0.000 claims abstract 5
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000011324 bead Substances 0.000 claims 2
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000008092 positive effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000013522 software testing Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a pressure test method of a groove type pipe fitting, which is characterized in that a pressure test tool for the groove type pipe fitting is adopted to measure the pressure of a pipeline to be tested, the pressure test tool for the groove type pipe fitting comprises a connecting ring, two clamping sleeves, a sealing end cover and a high-pressure ball valve, the connecting ring is sleeved on the pipeline, and then the sealing end cover is buckled on a port of the pipeline; then the two cutting sleeves are arranged on the pipeline and are butted together, at the moment, the sealing end cover is clamped in an arc-shaped clamping groove formed by the cutting sleeves, and meanwhile, the arc-shaped ribs are clamped in the corresponding grooves; rotating the connecting ring to enable the connected threads to be connected to the outer parts of the two clamping sleeves; and finally, the high-pressure ball valve is hermetically connected to the connecting port, and the high-pressure water is controlled to enter and exit through the high-pressure ball valve. The pressure testing tool for the groove type pipe fitting is simplified in structural form, and the pressure testing tool is convenient for operators to complete assembling quickly and conveniently, so that the testing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a pressure testing method for a groove type pipe fitting.
Background
The transmission tool for long-distance transmission of liquid or gas is widely used, the transmission pipeline is formed by connecting a plurality of steel pipes, two steel pipes are connected through a connector, and a valve is arranged between the steel pipes according to requirements. The steel pipes and the valves are directly connected by generally adopting a pipeline sealing connector (such as CN 210800309U). However, steel pipes or valves are often subjected to pressure testing before use. Taking a steel pipe as an example, two ends of the steel pipe are connected with a test tool through a pipeline sealing connector to ensure sealing connection, and then high-pressure liquid is injected into the steel pipe. During the connection operation, the assembly of the sealing connector needs to be completed, the operation process is complicated, and the labor intensity of workers is high. How to design a technology which is simple in structure and convenient to assemble and test is the technical problem to be solved by the invention.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the pressure testing method for the groove type pipe fitting is provided, the structural form of the pressure testing tool for the groove type pipe fitting is simplified, and the pressure testing tool is convenient for operators to complete assembling quickly and conveniently so as to improve the testing efficiency.
The technical scheme provided by the invention is that a groove type pipe fitting pressure testing method is adopted, a groove type pipe fitting pressure testing tool is used for measuring the pressure of a pipeline to be tested, wherein a groove is arranged outside the pipeline, the groove type pipe fitting pressure testing tool comprises a connecting ring, two clamping sleeves, a sealing end cover and a high-pressure ball valve, an internal thread is formed on the inner circumference of the connecting ring, the cross section of each clamping sleeve is of a semicircular structure, an arc-shaped clamping groove is formed in the inner wall of each clamping sleeve, an external thread is arranged on the outer wall of each clamping sleeve, a raised arc-shaped rib is further arranged on the inner wall of each clamping sleeve, and a connecting port is formed in the sealing; the high-pressure ball valve is connected to the connecting port in a sealing mode, the sealing end cover is positioned between the two clamping sleeves and inserted into the arc-shaped clamping groove, the two clamping sleeves are connected in a butt joint mode, and the connecting ring is connected to the outer portions of the two clamping sleeves in a threaded mode;
the pressure testing method comprises the following steps: sleeving the connecting ring on the pipeline, and then buckling the sealing end cover on the port of the pipeline; then, the two clamping sleeves are arranged on the pipeline and are butted together, at the moment, the sealing end cover is clamped in an arc clamping groove formed by the clamping sleeves, and meanwhile, the arc ribs are clamped in the corresponding grooves; rotating the connecting ring so that the connected threads are connected to the outside of the two ferrules; and finally, the high-pressure ball valve is hermetically connected to the connecting port, and high-pressure water is controlled to enter and exit through the high-pressure ball valve.
Furthermore, the edge of the sealing end cover is provided with an annular flange.
Furthermore, the sealing device also comprises a sealing ring which is positioned in a space formed by the annular flanging and is attached to the inner wall of the sealing end cover.
Furthermore, the section of the sealing ring is of a V-shaped structure.
Further, the inner wall of the cutting sleeve is provided with a plurality of arc-shaped ribs.
Compared with the prior art, the invention has the advantages and positive effects that: adopt the go-between to connect two cutting ferrule to fix on the pipeline of awaiting measuring through the configuration, and simultaneously, can paste the tip that the end cover leaned on the pipeline through two cutting ferrules and seal the processing with the port to the pipeline, when the test, the water under high pressure enters into in the pipeline by the high-pressure ball valve control, in order to carry out pressure test to the pipeline, and at the in-process of installation frock, only need through rotating the go-between alright link together with two cutting ferrules, realize that single both can the field operation use, effectual reduction operation degree of difficulty, realize simplifying the structural style of groove formula pressure test frock for pipe fitting, and make things convenient for the quick convenient completion equipment of operating personnel, in order to improve efficiency of software testing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a pressure testing tool for a grooved pipe fitting according to the present invention;
FIG. 2 is a diagram illustrating an assembly of an embodiment of a pressure testing tool for a grooved pipe according to the present invention in a working state;
FIG. 3 is a second assembled view of the pressure testing tool for grooved pipe according to the embodiment of the present invention in a working state;
FIG. 4 is a third assembled view of the pressure testing tool for grooved pipe according to the embodiment of the present invention in a working state;
FIG. 5 is a fourth drawing illustrating an assembly of the pressure testing tool for grooved pipe according to an embodiment of the present invention in a working state;
FIG. 6 is a fifth drawing illustrating an assembly of the pressure testing tool for grooved pipe according to an embodiment of the present invention in a working state;
fig. 7 is a reference diagram of a use state of the pressure testing tool for a grooved pipe according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, the method for testing the pressure of the grooved pipe in this embodiment adopts a pressure testing tool for the grooved pipe to perform testing, wherein a groove 101 is provided outside a pipeline 100. The pressure testing tool for the groove type pipe fitting comprises a connecting ring 1, two clamping sleeves 2, a sealing end cover 3 and a high-pressure ball valve 4, wherein an internal thread 11 is formed on the inner periphery of the connecting ring 1, the cross section of each clamping sleeve 2 is of a semicircular structure, an arc clamping groove 21 is formed in the inner wall of each clamping sleeve 2, an external thread 22 is formed in the outer wall of each clamping sleeve 2, a raised arc rib 23 is further formed in the inner wall of each clamping sleeve 2, and a connecting port 31 is formed in the sealing end cover 3; wherein, high-pressure ball valve 4 sealing connection is on connector 31, and end cover 3 is located and inserts between two cutting ferrule 2 in arc draw-in groove 21, and two cutting ferrule 2 dock together, and go-between 1 threaded connection is in the outside of two cutting ferrule 2.
In actual use, the connection ring 1, the two ferrules 2, the end cover 3 and the high-pressure ball valve 4 need to be assembled on the pipeline 100 to be tested. The specific operation is as follows:
as shown in fig. 2, the connection ring 1 is fitted over the pipe 100, and then, as shown in fig. 3, the end cap 3 is fastened to the end of the pipe 100; as shown in fig. 4 and 5, two cutting ferrules 2 are mounted on the pipeline 100, and the two cutting ferrules 2 are butted together, at this time, the sealing end cover 3 is clamped in the arc-shaped clamping groove 21 formed by the cutting ferrule 2, and at the same time, the arc-shaped ribs 23 are clamped in the corresponding grooves 101; then, the connecting ring 1 is close to the ferrule 2 and the connecting ring 1 is rotated, so that the connecting ring 1 is screwed outside the ferrule 2, after the connecting ring 1 is screwed down, the two ferrules 2 are firmly and reliably fixed outside the pipeline 100, and the end cover 3 is also enabled to effectively seal the port of the pipeline 100. Finally, the high-pressure ball valve 4 is hermetically connected to the connection port 31, and the high-pressure water is controlled to enter and exit through the high-pressure ball valve 4, so that the pressure of the pipeline 100 can be measured.
Further, in order to improve the sealing performance, an annular flange 32 may be provided at the edge of the end cap 3. Specifically, during an assembly test, the end cap 3 is disposed behind the end of the pipe 100, and the end of the pipe 100 is wrapped by the annular flange, so as to better perform a sealing function. Preferably, the pressure test tool for the grooved pipe fitting of the embodiment further comprises a sealing ring 5, and the sealing ring 5 is located in a space formed by the annular flanging and abuts against the inner wall of the sealing end cover 3. Specifically, in order to further improve the sealing performance, a sealing ring 5 is additionally arranged on the sealing end cover 3, and the size of the sealing ring 5 is matched with the end face of the pipeline 100, so that the end face of the pipeline 100 is better sealed by the sealing ring 5. Wherein, the section of the sealing ring 5 is of a V-shaped structure so as to improve the deformation performance of the sealing ring.
Furthermore, in order to improve the connection reliability, the inner wall of the ferrule 2 is provided with a plurality of arc-shaped ribs 23, specifically, after the ferrule 2 is placed at the end position of the pipeline 100, the plurality of arc-shaped ribs 23 will be mutually matched with the groove 101, so as to improve the connection reliability between the two.
Compared with the prior art, the invention has the advantages and positive effects that: adopt the go-between to connect two cutting ferrule to fix on the pipeline of awaiting measuring through the configuration, and simultaneously, can paste the tip that the end cover leaned on the pipeline through two cutting ferrules and seal the processing with the port to the pipeline, when the test, the water under high pressure enters into in the pipeline by the high-pressure ball valve control, in order to carry out pressure test to the pipeline, and at the in-process of installation frock, only need through rotating the go-between alright link together with two cutting ferrules, realize that single both can the field operation use, effectual reduction operation degree of difficulty, realize simplifying the structural style of groove formula pressure test frock for pipe fitting, and make things convenient for the quick convenient completion equipment of operating personnel, in order to improve efficiency of software testing.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The pressure testing method for the groove type pipe fitting is characterized in that a pressure testing tool for the groove type pipe fitting is used for measuring pressure of a pipeline to be tested, wherein a groove is formed in the outer portion of the pipeline, the pressure testing tool for the groove type pipe fitting comprises a connecting ring, two clamping sleeves, a sealing end cover and a high-pressure ball valve, internal threads are formed in the inner circumference of the connecting ring, the cross section of each clamping sleeve is of a semicircular structure, an arc-shaped clamping groove is formed in the inner wall of each clamping sleeve, external threads are formed in the outer wall of each clamping sleeve, protruding arc-shaped ribs are further arranged on the inner wall of each clamping sleeve, and a connecting port is formed in; the high-pressure ball valve is connected to the connecting port in a sealing mode, the sealing end cover is positioned between the two clamping sleeves and inserted into the arc-shaped clamping groove, the two clamping sleeves are connected in a butt joint mode, and the connecting ring is connected to the outer portions of the two clamping sleeves in a threaded mode;
the pressure testing method comprises the following steps: sleeving the connecting ring on the pipeline, and then buckling the sealing end cover on the port of the pipeline; then, the two clamping sleeves are arranged on the pipeline and are butted together, at the moment, the sealing end cover is clamped in an arc clamping groove formed by the clamping sleeves, and meanwhile, the arc ribs are clamped in the corresponding grooves; rotating the connecting ring so that the connected threads are connected to the outside of the two ferrules; and finally, the high-pressure ball valve is hermetically connected to the connecting port, and high-pressure water is controlled to enter and exit through the high-pressure ball valve.
2. The grooved pipe pressure test method of claim 1 wherein the edge of the seal end cap is provided with an annular bead.
3. The grooved pipe pressure test method of claim 2 further comprising a seal ring located in the space formed by the annular bead and abutting against the inner wall of the end cap.
4. The grooved pipe pressure test method of claim 2 wherein the seal ring has a V-shaped cross-section.
5. The grooved pipe pressure test method of claim 1 wherein the inner wall of the ferrule is provided with a plurality of the arcuate ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011602163.9A CN112611645A (en) | 2020-12-30 | 2020-12-30 | Groove type pipe fitting pressure testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011602163.9A CN112611645A (en) | 2020-12-30 | 2020-12-30 | Groove type pipe fitting pressure testing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112611645A true CN112611645A (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011602163.9A Pending CN112611645A (en) | 2020-12-30 | 2020-12-30 | Groove type pipe fitting pressure testing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112611645A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503410A (en) * | 2021-06-11 | 2021-10-15 | 中国石油大学(华东) | Buckling and pressing joint for composite material pipe pressure test experiment |
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| CN203823271U (en) * | 2014-03-31 | 2014-09-10 | 上海瑞孚管路系统有限公司 | Sealing assembly for connecting grooved pipe fitting with pressure control piece |
| CN206175904U (en) * | 2016-11-02 | 2017-05-17 | 沈阳科莱沃液压机电设备有限公司 | Quick connecting device of steel pipe pressure test |
| CN107524745A (en) * | 2017-10-09 | 2017-12-29 | 北京北方车辆集团有限公司 | A kind of shock absorber groove fastening seal structure |
| CN108825792A (en) * | 2018-09-10 | 2018-11-16 | 衡水威达橡塑有限公司 | A kind of sealing ring and ductile iron pipe pressure testing sealing frock |
| JP2019015407A (en) * | 2017-07-03 | 2019-01-31 | 株式会社スギノマシン | Outer clamp type high-pressure seal tool |
| CN208847417U (en) * | 2018-11-06 | 2019-05-10 | 中铁十四局集团大盾构工程有限公司 | A kind of portable pipe package seal checker |
| CN110416960A (en) * | 2019-08-02 | 2019-11-05 | 广西金步电力科技有限公司 | A kind of subway plugging device |
| CN209992303U (en) * | 2019-03-29 | 2020-01-24 | 中国能源建设集团安徽电力建设第二工程有限公司 | Special tool for pipeline hydrostatic test |
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2020
- 2020-12-30 CN CN202011602163.9A patent/CN112611645A/en active Pending
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| CN101714616A (en) * | 2009-11-17 | 2010-05-26 | 凯迈嘉华（洛阳）新能源有限公司 | Electrode leading structure and electricity storage electric element adopting thereof |
| CN101870396A (en) * | 2010-06-24 | 2010-10-27 | 温州市氟塑设备制造厂 | Metal tightly-lined polytetrafluoroethylene positive/negative pressure resistant apparatus and production method thereof |
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| CN202281725U (en) * | 2011-07-04 | 2012-06-20 | 中原特钢股份有限公司 | Hydraulic test tool mechanism of ultrahigh-pressure steel pipe |
| CN203823271U (en) * | 2014-03-31 | 2014-09-10 | 上海瑞孚管路系统有限公司 | Sealing assembly for connecting grooved pipe fitting with pressure control piece |
| CN206175904U (en) * | 2016-11-02 | 2017-05-17 | 沈阳科莱沃液压机电设备有限公司 | Quick connecting device of steel pipe pressure test |
| JP2019015407A (en) * | 2017-07-03 | 2019-01-31 | 株式会社スギノマシン | Outer clamp type high-pressure seal tool |
| CN107524745A (en) * | 2017-10-09 | 2017-12-29 | 北京北方车辆集团有限公司 | A kind of shock absorber groove fastening seal structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503410A (en) * | 2021-06-11 | 2021-10-15 | 中国石油大学(华东) | Buckling and pressing joint for composite material pipe pressure test experiment |
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Application publication date: 20210406 |