CN106053228A - Axial hot stretch flexible composite plastic high-pressure delivery pipe testing device - Google Patents
Axial hot stretch flexible composite plastic high-pressure delivery pipe testing device Download PDFInfo
- Publication number
- CN106053228A CN106053228A CN201610547140.XA CN201610547140A CN106053228A CN 106053228 A CN106053228 A CN 106053228A CN 201610547140 A CN201610547140 A CN 201610547140A CN 106053228 A CN106053228 A CN 106053228A
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- Prior art keywords
- multiple tube
- pipe
- cylinder cap
- sealing
- cylinder
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Classifications
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- 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
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
- G01N2203/0226—High temperature; Heating 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
- G01N2203/022—Environment of the test
- G01N2203/023—Pressure
Abstract
The invention discloses an axial hot stretch flexible composite plastic high-pressure delivery pipe testing device, and belongs to the technical field of nonmetallic composite pipe hot stretch testing. A flexible composite pipe is prepared through the procedures of composite pipe blank discharging, pipe joint locking, surface processing and the like. The composite pipe is fixed to a clamp of a stretch device; a cylindrical cylinder wrapping the composite pipe is filled with water, and water in the cylinder is heated; a certain amount of water is injected into the composite pipe through a hydraulic pump station, and certain pressure is kept in the pipe. Due to the heat transfer effect of a medium in the cylinder, the surface temperature of the composite pipe reaches a certain fixed value; finally, the composite pressed inside and heated outside is mechanically stretched, and performance parameters of the composite pipe in the hot stretch process is tested with the aid of various sensors on the stretch device. The testing device has the advantages that the structure is compact; due to the cylinder and beam integrated design of the testing device, manufacturing cost can be reduced, and pressurization testing safety can be improved; meanwhile, various performance parameters of pipe blanks with different diameters can be obtained, and the testing device has certain universality.
Description
Technical field
The present invention relates to the design of drawing pipe assay device, be specifically related to a kind of Axial Thermal stretching flexible compound plastics high
Pressure conveying pipe assay device, belongs to non-metal composite pipe material tensile property technical field of measurement and test.
Background technology
The working environment of composite plastic high-pressure delivery industrial tubes is relatively more severe, is mainly used in petroleum gas, sea
The aspects such as the oil well site of ocean engineering or the oil-gas gathering and transportation in gas field, water filling, high pressure injection alcohol and sewage disposal.In well site or gas field
When working in vertical shaft, pipeline axially bears bigger pulling force, and higher water injection pressure is born in inside, and pipe outer wall is operationally
Being immersed in and have in uniform temperature and corrosive medium, manufacturing process and the performance of pipeline are examined by the working environment of this complexity
Measurement equipment has the highest requirement.
Flexible compound plastic high voltage conveying pipe is a kind of by plastics compounded infant industry pipeline, and multiple tube is in group
Having multiple structure on one-tenth, be mainly made up of inner sandwich layer, winding layer and external coating etc., wherein inner sandwich layer plays sealing, anticorrosion
With measuring body effect；Winding layer acts primarily as increase intensity and measuring body effect；External coating acts primarily as antiseptical effect, has resistance to
High pressure, the advantage such as corrosion-resistant, flexible.The production technology of flexible compound plastic tube is the most ripe the most at home, but
Its all-round property testing aspect such as hot-stretch, interior pressurising yet suffers from bigger problem and shortage.Currently without multi-functional multiple
Close tube performance testing equipment to simulate out by multiple tube working environment in the shaft, thus obtain its axial tension, extension
The parameters such as the temperature of rate, internal water flooding pressure and surrounding medium.Therefore flexibility of research and development composite plastic pipe multifunctional testing equipment tool
It is of practical significance.It is based on the actual application value of this test equipment, the invention provides a kind of new Axial Thermal stretching non-
The assay device of metal composite pipe.
Summary of the invention
It is an object of the invention to for deficiency of the prior art, it is provided that a kind of novel axial hot-stretch flexible compound plastics
The assay device of high-pressure delivery pipe, compact conformation, it is possible to reduce manufacturing cost, improves the safety of applied voltage test；Also may be used simultaneously
Obtain the multiple performance parameter of different-diameter pipe, there is certain versatility.
For achieving the above object, the invention discloses following technical scheme:
A kind of Axial Thermal stretching flexible compound plastic high voltage conveying pipe assay device, including multiple tube internal pressurization device,
Integral type cylinder body, heating system, multiple tube clamping device, mechanical driving device, sealing-locking device and sense measuring device:
Integral type cylinder body, is integrated with bearing beam and the function that is filled with water, including drum type brake cylinder body, left cylinder cap, right cylinder cap and top
Sealing cylinder cap；
Multiple tube clamping device, is used for clamping multiple tube, and including pipe end fixture and spindle formula fixture, pipe end fixture is arranged on
At the left cylinder cap of integral type cylinder body, spindle formula fixture is arranged on the through hole at the right cylinder cap center of integral type cylinder body, and spindle formula is pressed from both sides
Tool one end connects multiple tube, and the other end connects the middle yoke plate of mechanical driving device；
Multiple tube internal pressurization device, for multiple tube internal pressurization, through left cylinder cap, pressure medium is defeated by pipeline
Deliver to inside multiple tube；
Heating system, for heating to the heat transfer medium of integral type cylinder interior, it is arranged on integral type cylinder interior；
Mechanical driving device, for applying axial tensile stress to multiple tube, including left frame, middle yoke plate, leading screw, right machine
Frame, reduction box and servomotor etc., left frame is arranged on right cylinder cap, and leading screw is arranged between left frame and right frame, middle
Plate is arranged on leading screw, and middle yoke plate is fixed on one end of spindle formula fixture, and servomotor is in transmission connection leading screw by reduction box；
Sealing-locking device, for locking and the sealing of integral type cylinder body, including being arranged on right cylinder cap and left frame
Sealing ring and clamping screw etc.；
Sense measuring device, for measuring multiple tube physical parameter in hot-stretch deformation process, including being arranged on one
The pressure transducer of body formula cylinder interior and temperature sensor, and the displacement transducer etc. being arranged on spindle formula fixture.
Further, described multiple tube internal pressurization device includes hydraulic pressure pumping plant and check valve set, and hydraulic pressure pumping plant is by pipe
Road conveying pressure medium is to inside multiple tube, and check valve set is arranged on the pipeline between hydraulic pressure pumping plant and multiple tube inside.
Further, described heating system is resistance heater, be separately mounted to integration cylinder interior left cylinder cap and
On right cylinder cap.
Further, described sealing-locking device also includes sealing rotary twist lock spanner, and sealing rotary twist lock spanner is installed
Sealing on cylinder cap.
Further, described multiple tube clamping device is provided with the chuck of different size specification, to adapt to answering of different-diameter
Close pipe.
A kind of Axial Thermal stretching flexible compound plastic high voltage conveying pipe assay device disclosed by the invention, has following useful
Effect:
1. can simulate flexible composite pipe working environment in the shaft by a set of test equipment, be obtained in that multiple simultaneously
Close pipe in the axial force of hot-stretching step, axially extending rate, axial deflection, internal water flooding pressure and the temperature of surrounding medium
Deng parameter.
2. flexible compound plastic tube test device can test the pipe performance of different-diameter, tool by changing clamp chuck
There is certain versatility.
3. utilize the media such as water-bath that whole pipe is heated, can more accurately, equably control pipe surface temperature,
And the ratio that is heated is more uniform.Flexible composite pipe actual working environment in the shaft can be simulated, it is possible to added by replacing simultaneously
Thermal medium, carrys out analog sample pipe without the duty in medium.
4. the cylinder beam integral type cylinder block of design can be used as the stress support beam of tensile test apparatus, it is possible to is used for containing
Dress adds thermal medium, its simple in construction, compact, integrated, had both alleviated the quality of equipment, and had reduced again the cost of equipment.
5. utilize cylindrical port bolt sealing device and the sealing lid that can move to seal, to prevent pipe in inside
By high pressure, outside is burst by the case of thermal softening, improves the safety of equipment applied voltage test.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of Axial Thermal of present invention stretching flexible compound plastic high voltage conveying pipe assay device；
Fig. 2 be in Fig. 1 at I through 1:3 partial enlarged drawing；
Wherein: 1 hydraulic pressure pumping plant；2 check valve set；3 pipe end fixtures；4 pressure transducers；5 left cylinder caps；6 resistance heaters；7
Circle tube cylinder；8 multiple tubes；Spanner is tightly locked in 9 rotations；10 temperature sensors；11 discharging valves；12 seal cylinder cap；13 heat transfer mediums；
14 spindle formula fixtures；15 right cylinder caps；16 sealing rings；17 left frames；18 displacement transducers；Yoke plate in 19；20 leading screws；21 right machines
Frame；22 reduction boxes；23 servomotors.
Detailed description of the invention
Below in conjunction with embodiment and referring to the drawings the invention will be further described.
Refer to Fig. 1-Fig. 2.
A kind of Axial Thermal stretching flexible compound plastic high voltage conveying pipe assay device, including multiple tube internal pressurization device,
Integral type cylinder body, heating system, multiple tube clamping device, mechanical driving device, sealing-locking device and sense measuring device:
Integral type cylinder body, is integrated with bearing beam and the function that is filled with water, including drum type brake cylinder body 7, left cylinder cap 5, right cylinder cap 15 and
The sealing cylinder cap 12 at top；
Multiple tube clamping device, is used for clamping multiple tube, and including pipe end fixture 3 and spindle formula fixture 14, pipe end fixture 3 is pacified
Being contained at the left cylinder cap 5 of integral type cylinder body, spindle formula fixture 14 is arranged on the through hole at right cylinder cap 15 center of integral type cylinder body,
Spindle formula fixture 14 one end connects multiple tube 8, and the other end connects the middle yoke plate 19 of mechanical driving device；
Multiple tube internal pressurization device, for multiple tube 8 internal pressurization, by pipeline through left cylinder cap 5 by pressure medium
It is delivered to multiple tube 8 internal；
Heating system, for heating to the heat transfer medium 13 of integral type cylinder interior, it is arranged on integral type cylinder interior；
Mechanical driving device, for applying axial tensile stress to multiple tube 8, including left frame 17, middle yoke plate 19, leading screw
20, right frame 21, reduction box 22 and servomotors 23 etc., left frame 17 is arranged on right cylinder cap 15, and leading screw 20 is arranged on left machine
Between frame 17 and right frame 21, middle yoke plate 19 is arranged on leading screw 20, and middle yoke plate 19 is fixed on the one of spindle formula fixture 14
End, servomotor 23 is in transmission connection leading screw 20 by reduction box 22；
Sealing-locking device, for locking and the sealing of integral type cylinder body, including being arranged on right cylinder cap 15 and left frame 17
On sealing ring 16 and clamping screw etc.；
Sense measuring device, for measuring multiple tube physical parameter in hot-stretch deformation process, including being arranged on one
The pressure transducer of body formula cylinder interior and temperature sensor, and the displacement transducer etc. being arranged on spindle formula fixture.
As specific embodiment, described multiple tube internal pressurization device includes hydraulic pressure pumping plant 1 and check valve set 2, hydraulic pamp
Standing 1 internal by Pipeline transport pressure medium to multiple tube 8, check valve set 2 is arranged on hydraulic pressure pumping plant 1 and multiple tube 8 inside
Between pipeline on.
As specific embodiment, described heating system is resistance heater 6, is separately mounted to a left side for integration cylinder interior
On cylinder cap 5 and right cylinder cap 15.
As specific embodiment, described sealing-locking device also includes sealing rotary twist lock spanner 9, seals rotational lock and pulls
Hands 9 is arranged on sealing cylinder cap 12.
As specific embodiment, flexible compound plastic tube test device has certain versatility, multiple tube clamping device
It is provided with the chuck of different size specification, the physical function parameter of different-diameter pipe can be tested by changing clamp chuck, as
Tensile force, elongation percentage and deformation quantity etc. suffered by multiple tube.
When the present invention works, the multiple tube sample of preparation is fixed on the fixture of stretching device, utilizes cylinder block two
Medium in cylinder body is heated by the resistance heater 6 of side, and injects a certain amount of in multiple tube sample with hydraulic pressure pumping plant 1
Water, makes multiple tube 8 inside bear certain high pressure.By the conduction of heat of cylinder block internal hot-water, make whole multiple tube 8
Surface temperature reach certain test value, last in the composite pipe blank sample that is heated by high pressure, outside produce under stretching-machine effect
Raw certain elongation deformation.Medium bath is utilized whole pipe to be heated, by the various sensings being fixed on stretching device
The pipe sample various physical parameters in hot-stretch deformation process measured by device.Pipe surface can be controlled more accurately, equably
Temperature, it is also possible to simulation flexible composite pipe actual working environment in the shaft.
Specifically, work process is as follows:
1. pipe pre-treatment, i.e. produces flexible compound plastic tube by methods such as blanking, surface polishing, locking pipe joints axial
Hot tensile test sample；
2. manage on, the multiple tube 8 prepared is contained on pipe end fixture 3 and the spindle formula fixture 14 of clamping device；
3. location heating, positions the multiple tube 8 installed, and utilizes left cylinder cap 5, the resistance of right cylinder cap 15 both sides to add
Heat transfer medium in cylinder body 13 is heated by hot device 6, is measured the temperature of heat transfer medium 13 by temperature sensor 10 so that it is reach
To the temperature required by test；
4. water-filling pressurization, utilizes hydraulic pressure pumping plant 1 and check valve set 2 etc. to multiple tube a certain amount of water of internal injection, makes multiple
Close the operating pressure within pipe to reach to test required force value；
5. loading stretching, there is certain elongation and deformation in composite pipe blank sample under mechanical stretching machine effect, by peace
The various sensors being contained on device are to measure the composite pipe blank sample various performance parameters during hot-drawn, as being axially subject to
Power, pipe axial deflection, internal water flooding pressure and the temperature etc. of surrounding medium；
6. unloading post processing, loads after terminating, and multiple tube test specimen pipe carries out pressure release and stops heating, by discharging water
Medium 13 in cylinder body is released by valve 11, finally pipe sample 8 is taken out from assay device, is analyzed.
The above is only the preferred embodiment of the present invention, is not intended to limit；Although it should be pointed out that, with reference to above-mentioned respectively
The present invention has been described in detail by embodiment, it will be understood by those within the art that, its still can to above-mentioned respectively
Technical scheme described in embodiment is modified, or the most some or all of technical characteristic is carried out equivalent；And this
A little amendments and replacement, do not make the essence of corresponding technical scheme depart from the scope of various embodiments of the present invention technical scheme.
Claims (5)
1. an Axial Thermal stretching flexible compound plastic high voltage conveying pipe assay device, it is characterised in that include inside multiple tube
Pressue device, integral type cylinder body, heating system, multiple tube clamping device, mechanical driving device, sealing-locking device and sensing are surveyed
Amount device:
Integral type cylinder body, is integrated with bearing beam and is filled with water function, close including drum type brake cylinder body, left cylinder cap, right cylinder cap and top
Envelope cylinder cap；
Multiple tube clamping device, is used for clamping multiple tube, and including pipe end fixture and spindle formula fixture, pipe end fixture is arranged on one
At the left cylinder cap of formula cylinder body, spindle formula fixture is arranged on the through hole at the right cylinder cap center of integral type cylinder body, spindle formula fixture one
End connects multiple tube, and the other end connects the middle yoke plate of mechanical driving device；
Multiple tube internal pressurization device, for multiple tube internal pressurization, is delivered to pressure medium through left cylinder cap by pipeline
Inside multiple tube；
Heating system, for heating to the heat transfer medium of integral type cylinder interior, it is arranged on integral type cylinder interior；
Mechanical driving device, for multiple tube apply axial tensile stress, including left frame, middle yoke plate, leading screw, right frame,
Reduction box and servomotor, left frame is arranged on right cylinder cap, and leading screw is arranged between left frame and right frame, and middle yoke plate is installed
On leading screw, middle yoke plate being fixed on one end of spindle formula fixture, servomotor is in transmission connection leading screw by reduction box；
Sealing-locking device, for locking and the sealing of integral type cylinder body, including the sealing being arranged on right cylinder cap and left frame
Circle and clamping screw；
Sense measuring device, for measuring multiple tube physical parameter in hot-stretch deformation process, including being arranged on integral type
The pressure transducer of cylinder interior and temperature sensor, and the displacement transducer being arranged on spindle formula fixture.
A kind of Axial Thermal stretching flexible compound plastic high voltage conveying pipe assay device the most according to claim 1, its feature
Being, described multiple tube internal pressurization device includes hydraulic pressure pumping plant and check valve set, and hydraulic pressure pumping plant is situated between by Pipeline transport pressurization
Matter is to inside multiple tube, and check valve set is arranged on the pipeline between hydraulic pressure pumping plant and multiple tube inside.
A kind of Axial Thermal stretching flexible compound plastic high voltage conveying pipe assay device the most according to claim 1, its feature
Being, described heating system is resistance heater, is separately mounted on left cylinder cap and the right cylinder cap of integration cylinder interior.
A kind of Axial Thermal stretching flexible compound plastic high voltage conveying pipe assay device the most according to claim 1, its feature
Being, described sealing-locking device also includes that sealing rotary twist lock spanner, sealing rotary twist lock spanner are arranged on sealing cylinder cap.
A kind of Axial Thermal stretching flexible compound plastic high voltage conveying pipe assay device the most according to claim 1, its feature
Being, described multiple tube clamping device is provided with the chuck of different size specification, to adapt to the multiple tube of different-diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547140.XA CN106053228B (en) | 2016-07-12 | 2016-07-12 | A kind of axial direction hot-stretch flexible compound plastic high voltage delivery pipe experimental rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547140.XA CN106053228B (en) | 2016-07-12 | 2016-07-12 | A kind of axial direction hot-stretch flexible compound plastic high voltage delivery pipe experimental rig |
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| CN106053228A true CN106053228A (en) | 2016-10-26 |
| CN106053228B CN106053228B (en) | 2018-11-27 |
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| CN201610547140.XA Active CN106053228B (en) | 2016-07-12 | 2016-07-12 | A kind of axial direction hot-stretch flexible compound plastic high voltage delivery pipe experimental rig |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110823708A (en) * | 2019-11-20 | 2020-02-21 | 迈海(苏州)环保科技有限公司 | Limit fatigue testing device and method for flexible filter tube |
| CN110879129A (en) * | 2019-11-05 | 2020-03-13 | 昆明理工大学 | Device for testing influence of pipeline deformation on liquid flow in closed-loop pressure system |
| CN111307658A (en) * | 2020-02-11 | 2020-06-19 | 中国石油工程建设有限公司 | Temperature and pressure cooperation-based mechanical composite pipe tightness auxiliary test system and method |
| CN113375732A (en) * | 2021-08-16 | 2021-09-10 | 东营浩辰石油技术开发有限公司 | Pressure test equipment for steel-plastic composite pipe production |
| CN115356204A (en) * | 2022-10-19 | 2022-11-18 | 山东工程职业技术大学 | Vision-based sealing ring testing equipment and testing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110879129A (en) * | 2019-11-05 | 2020-03-13 | 昆明理工大学 | Device for testing influence of pipeline deformation on liquid flow in closed-loop pressure system |
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| CN113375732A (en) * | 2021-08-16 | 2021-09-10 | 东营浩辰石油技术开发有限公司 | Pressure test equipment for steel-plastic composite pipe production |
| CN115356204A (en) * | 2022-10-19 | 2022-11-18 | 山东工程职业技术大学 | Vision-based sealing ring testing equipment and testing method |
| CN115356204B (en) * | 2022-10-19 | 2023-01-24 | 山东工程职业技术大学 | Seal ring testing equipment and method based on vision |
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| CN106053228B (en) | 2018-11-27 |
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