CN108982230A - A kind of PE pipe external pressure test device - Google Patents

A kind of PE pipe external pressure test device Download PDF

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Publication number
CN108982230A
CN108982230A CN201810917831.3A CN201810917831A CN108982230A CN 108982230 A CN108982230 A CN 108982230A CN 201810917831 A CN201810917831 A CN 201810917831A CN 108982230 A CN108982230 A CN 108982230A
Authority
CN
China
Prior art keywords
pipe
tank
water
sealing
tested
Prior art date
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.)
Pending
Application number
CN201810917831.3A
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Chinese (zh)
Inventor
姚永芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British (jiangsu) Machinery Co
Original Assignee
British (jiangsu) Machinery Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by British (jiangsu) Machinery Co filed Critical British (jiangsu) Machinery Co
Priority to CN201810917831.3A priority Critical patent/CN108982230A/en
Publication of CN108982230A publication Critical patent/CN108982230A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • G01N3/12Pressure testing
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0001Type of application of the stress
    • G01N2203/0003Steady
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0019Compressive
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003Generation of the force
    • G01N2203/0042Pneumatic or hydraulic means
    • G01N2203/0048Hydraulic means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/026Specifications of the specimen
    • G01N2203/0262Shape of the specimen
    • G01N2203/0274Tubular or ring-shaped specimens

Abstract

The invention discloses a kind of PE pipe external pressure test devices, including tank body, pressure gauge, nut, flange, bolt, sealing-plug, fixed disk, pipe cap, tested PE pipe, pedestal, annulus block, high-pressure hydraulic pump, water tank, water pipe, control valve, through-hole and support rod, the left of the tank body is provided with water tank, the bottom of the water tank is provided with high-pressure hydraulic pump, the output end of the high-pressure hydraulic pump is connected with water pipe, the inner left wall of the tank body is provided with annulus block, tested PE pipe is accompanied in the annulus block, the both ends of the tested PE pipe pass through high temperature melting and are connected to pipe cap, the upper surface right part of the tank body is provided with pressure gauge, flange is welded on the right side of the tank body, the right of the flange is provided with fixed disk, sealing-plug is provided in the middle part of the fixed disk.The present invention is set as aluminium alloy by the material of tank body, and the material of water pipe is set as high density polyethylene (HDPE), improves the crushing resistance of the experimental rig, ensure that the safety of staff.

Description

A kind of PE pipe external pressure test device
Technical field
The present invention relates to PE Manifold technology field, specially a kind of PE pipe external pressure test device.
Background technique
PE pipe has medium density polyethylene pipe and high density polyethylene pipe.It is divided into SDR11 and SDR17.6 series according to wall thickness. The former is suitable for conveying gaseous artificial coal gas, natural gas, liquefied petroleum gas, and the latter is mainly for delivery of natural gas.And steel pipe Compare, construction technology is simple, there is certain flexibility, more important is preservative treatment is not used as, will save a large amount of process.It lacks Point is not so good as steel pipe with regard to instrument, particularly pays attention to the safe spacing of heating power heating in construction, and cannot be exposed to air middle-jiao yang, function of the spleen and stomach Under light, and it is sensitive to chemical substance, prevent the leakage of sewage conduct from damaging.
Existing some ships replace steel pipe using plastic tube, and wherein PE pipe is applied relatively broad, and PE pipe has connection reliable Property the advantages that high and low temperature impact resilience is good, anti-stress cracking is excellent, chemical corrosion resistance is good, light-weight.Formal investment is managed in PE Before use, need to judge by external pressure test device whether pipeline has deformation and leakage existing in the case where bearing external pressure As.
Summary of the invention
The purpose of the present invention is to provide a kind of PE pipe external pressure test devices, to solve mentioned above in the background art ask Topic.
To achieve the above object, the invention provides the following technical scheme: a kind of PE pipe external pressure test device, including tank body, Pressure gauge, nut, flange, bolt, sealing-plug, fixed disk, pipe cap, tested PE pipe, pedestal, annulus block, high-pressure hydraulic pump, water Case, water pipe, control valve, through-hole and support rod, the left of the tank body are provided with water tank, and the bottom of the water tank is provided with height Water pump, the output end of the high-pressure hydraulic pump are connected with water pipe, and control valve, the bottom of the tank body are equipped on the water pipe It is provided with pedestal, the inside bottom of the tank body is provided with support rod, and the inner left wall of the tank body is provided with annulus block, institute It states and accompanies tested PE pipe in annulus block, the both ends of the tested PE pipe pass through high temperature melting and are connected to pipe cap, the tank body Upper surface right part be provided with pressure gauge, flange is welded on the right side of the tank body, the right of the flange is provided with fixed disk, Sealing-plug is provided in the middle part of the fixed disk, the surrounding spaced set of the sealing-plug has several through-holes, the through-hole It is inside provided with bolt, the left end of the bolt is connected with nut.
Preferably, the material of the tank body is set as aluminium alloy.
Preferably, the upper surface left part of the tank body and the right end of water pipe are connected by welding and connect.
Preferably, the sealing-plug is set as circular ring shape, and the periphery of sealing-plug is provided with sealing ring.
Preferably, the diameter of the annulus block is greater than the diameter of tested PE pipe.
Preferably, the material of the water pipe is set as high density polyethylene (HDPE).
Compared with prior art, the beneficial effects of the present invention are:
1. the present invention is arranged in fixed disk by the way that fixed disk and flange are tightly fastened connection by bolt and nut There is a sealing-plug, the junction of sealing-plug and flange is provided with sealing ring, ensure that the leakproofness of tank body, improves the experimental rig Accuracy;
2. the present invention is set as aluminium alloy by the material of tank body, the material of water pipe is set as high density polyethylene (HDPE), improves The crushing resistance of the experimental rig, ensure that the safety of staff;
3. the present invention persistently injects water purification into tank body by high-pressure hydraulic pump, slowly increase the intracorporal hydraulic pressure of tank, until Pressure moment becomes smaller, and records the maximum pressure value before pressure becomes smaller by pressure gauge, can efficiently detect the most highly resistance of PE pipe Pressure value substantially increases the detection efficiency of PE pipe, reduces the amount of labour of worker, it is ensured that PE come into operation after proof to external pressure Energy.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is tested PE pipe and pipe cap attachment structure schematic diagram of the invention.
Fig. 3 is fixed disk structural schematic diagram of the invention.
In figure: 1, tank body, 2, pressure gauge, 3, nut, 4, flange, 5, bolt, 6, sealing-plug, 7, fixed disk, 8, pipe cap, 9, Tested PE pipe, 10, pedestal, 11, annulus block, 12, high-pressure hydraulic pump, 13, water tank, 14, water pipe, 15, control valve, 16, logical Hole, 17, support rod.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, a kind of embodiment provided by the invention: a kind of PE pipe external pressure test device, including tank body 1, pressure Power table 2, nut 3, flange 4, bolt 5, sealing-plug 6, fixed disk 7, pipe cap 8, tested PE pipe 9, pedestal 10, annulus block 11, High-pressure hydraulic pump 12, water tank 13, water pipe 14, control valve 15, through-hole 16 and support rod 17, the left of tank body 1 are provided with water tank 13, The material of tank body 1 is set as aluminium alloy, improves the compressive property of tank body 1, the upper surface left part of tank body 1 and the right end of water pipe 14 It is connected by welding and connects, enter the water in water tank 13 in tank body 1 by water pipe 14, the bottom of water tank 13 is provided with high-pressure hydraulic pump 12, the output end of high-pressure hydraulic pump 12 is connected with water pipe 14, and the material of water pipe 14 is set as high density polyethylene (HDPE), improves water pipe 14 Compressive property, control valve 15 is installed on water pipe 14, the bottom of tank body 1 is provided with pedestal 10, and the inside bottom of tank body 1 is set It is equipped with support rod 17, the inner left wall of tank body 1 is provided with annulus block 11, and the diameter of annulus block 11 is greater than tested PE pipe 9 Diameter accompany tested PE pipe 9 convenient for clamping fixed tested PE pipe 9 in annulus block 11, be tested the both ends of PE pipe 9 Pipe cap 8 is connected to by high temperature melting, the upper surface right part of tank body 1 is provided with pressure gauge 2, and the right side of tank body 1 is welded with flange 4, The right of flange 4 is provided with fixed disk 7, and the middle part of fixed disk 7 is provided with sealing-plug 6, and sealing-plug 6 is set as circular ring shape, and close The periphery of blocking 6 is provided with sealing ring, ensure that the leakproofness of tank body 1, improves the accuracy of the experimental rig, sealing-plug 6 Surrounding spaced set have several through-holes 16, bolt 5 is provided in through-hole 16, the left end of bolt 5 is connected with nut 3.
Working principle: in the use of the present invention, needing to carry out simple structure understanding to the present invention, now tested PE is managed 9 both ends and pipe cap 8 make tested PE pipe 9 be in sealing state by high temperature welding, then tested PE pipe 9 is filled in tank body 1 In, and the left end of tested PE pipe 9 is inserted into annulus block 11, one by one by the hole on the through-hole 16 and flange 4 in fixed disk 7 Alignment passes through the hole that through-hole 16 is then passed through on flange 4 with bolt 5 and is connected with 3 spiral of nut, turns tight nut 3, make fixed disk 7 It is closely coupled with flange 4, control valve 15 is opened, while high-pressure hydraulic pump 12 is started to work, high-pressure hydraulic pump 12 absorbs in water tank 13 Water and water is persistently injected in tank body 1 by water pipe 14, the pressure in tank body 1 slowly rises, the pressure value on pressure gauge 2 Slowly rise, when the numerical value on pressure gauge 2 becomes smaller, recording manometer 2 become smaller before maximal pressure force value, simultaneously close off high pressure water 12 and control valve 15 are pumped, the maximal pressure force value before becoming smaller on pressure gauge 2 is the maximum external pressure that tested PE pipe 9 can be born Value.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.

Claims (6)

1. a kind of PE pipe external pressure test device, including tank body (1), pressure gauge (2), nut (3), flange (4), bolt (5), sealing Fill in (6), fixed disk (7), pipe cap (8), tested PE pipe (9), pedestal (10), annulus block (11), high-pressure hydraulic pump (12), water tank (13), water pipe (14), control valve (15), through-hole (16) and support rod (17), it is characterised in that: the left of the tank body (1) It is provided with water tank (13), the bottom of the water tank (13) is provided with high-pressure hydraulic pump (12), the output end of the high-pressure hydraulic pump (12) It is connected with water pipe (14), is equipped with control valve (15) on the water pipe (14), the bottom of the tank body (1) is provided with pedestal (10), the inside bottom of the tank body (1) is provided with support rod (17), and the inner left wall of the tank body (1) is provided with annulus gear Block (11), the annulus block (11) is interior to accompany tested PE pipe (9), and the both ends of the tested PE pipe (9) pass through high temperature Welding has pipe cap (8), and the upper surface right part of the tank body (1) is provided with pressure gauge (2), is welded on the right side of the tank body (1) The right of flange (4), the flange (4) is provided with fixed disk (7), is provided with sealing-plug (6) in the middle part of the fixed disk (7), The surrounding spaced set of the sealing-plug (6) has several through-holes (16), is provided with bolt (5), institute in the through-hole (16) The left end for stating bolt (5) is connected with nut (3).
2. a kind of PE pipe external pressure test device according to claim 1, it is characterised in that: the material of the tank body (1) is set It is set to aluminium alloy.
3. a kind of PE pipe external pressure test device according to claim 1, it is characterised in that: the upper surface of the tank body (1) The right end of left part and water pipe (14), which is connected by welding, to be connect.
4. a kind of PE pipe external pressure test device according to claim 1, it is characterised in that: the sealing-plug (6) is set as Circular ring shape, and the periphery of sealing-plug (6) is provided with sealing ring.
5. a kind of PE pipe external pressure test device according to claim 1, it is characterised in that: the annulus block (11) it is straight Diameter is greater than the diameter of tested PE pipe (9).
6. a kind of PE pipe external pressure test device according to claim 1, it is characterised in that: the material of the water pipe (14) is set It is set to high density polyethylene (HDPE).
CN201810917831.3A 2018-08-13 2018-08-13 A kind of PE pipe external pressure test device Pending CN108982230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810917831.3A CN108982230A (en) 2018-08-13 2018-08-13 A kind of PE pipe external pressure test device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810917831.3A CN108982230A (en) 2018-08-13 2018-08-13 A kind of PE pipe external pressure test device

Publications (1)

Publication Number Publication Date
CN108982230A true CN108982230A (en) 2018-12-11

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109632497A (en) * 2018-12-13 2019-04-16 大港油田集团有限责任公司 It is a kind of for expanding the experimental provision and experimental method of tube swelling

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101122552A (en) * 2007-09-18 2008-02-13 中国石油天然气集团公司 Reservoir casing perforation anti-crushing simulation test method and simulation test machine
CN102419286A (en) * 2011-12-21 2012-04-18 西安三维应力工程技术有限公司 Full-size external pressure collapse test device of petroleum casing pipe
CN204128906U (en) * 2014-11-07 2015-01-28 江苏奕淳武家嘴船舶重工有限公司 A kind of PE pipe external pressure test device
CN105067445A (en) * 2015-09-01 2015-11-18 中国海洋石油总公司 Experimental device for evaluating external pressure resisting intensity of anti-sand sieve tube
CN108318343A (en) * 2017-12-13 2018-07-24 中国石油天然气集团公司 A kind of experimental rig and method of test tubing critical external compressive resistance disruption properties

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101122552A (en) * 2007-09-18 2008-02-13 中国石油天然气集团公司 Reservoir casing perforation anti-crushing simulation test method and simulation test machine
CN102419286A (en) * 2011-12-21 2012-04-18 西安三维应力工程技术有限公司 Full-size external pressure collapse test device of petroleum casing pipe
CN204128906U (en) * 2014-11-07 2015-01-28 江苏奕淳武家嘴船舶重工有限公司 A kind of PE pipe external pressure test device
CN105067445A (en) * 2015-09-01 2015-11-18 中国海洋石油总公司 Experimental device for evaluating external pressure resisting intensity of anti-sand sieve tube
CN108318343A (en) * 2017-12-13 2018-07-24 中国石油天然气集团公司 A kind of experimental rig and method of test tubing critical external compressive resistance disruption properties

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109632497A (en) * 2018-12-13 2019-04-16 大港油田集团有限责任公司 It is a kind of for expanding the experimental provision and experimental method of tube swelling

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Application publication date: 20181211