CN108088749A - Pipeline pressure testing device and pipeline pressure pilot system - Google Patents
Pipeline pressure testing device and pipeline pressure pilot system Download PDFInfo
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- CN108088749A CN108088749A CN201711348037.3A CN201711348037A CN108088749A CN 108088749 A CN108088749 A CN 108088749A CN 201711348037 A CN201711348037 A CN 201711348037A CN 108088749 A CN108088749 A CN 108088749A
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- 238000012360 testing method Methods 0.000 title claims abstract description 71
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 238000001727 in vivo Methods 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- 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
-
- 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
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Examining Or Testing Airtightness (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of pipeline pressure testing device and pipeline pressure pilot system, it is related to the technical field of duct test equipment, including pressure apparatus, principal pressure pipe, instrument cluster, valve member and multiple connecting tubes；Pressure apparatus is oppressed medium and is entered by check-valves in pipeline to be tested, and check-valves control medium will not flow back；First gate valve keeps apart pipeline to be tested with pressure apparatus, reduces the disturbance that pressure apparatus treats test manifold pressure；Instrument cluster is connected by the second gate valve with the tube body, reduces the interference that instrument cluster treats test pipe-line system；Safety valve is connected with pipeline to be tested；Safety valve is in pressure value of the pipeline pressure to be tested beyond setting, releasing pressure automatically, pressure jump is avoided to cause test conduit fittings and valve damage, reduce damage of the pressure jump to test pipeline to greatest extent, alleviate that safety coefficient in the prior art is low, voltage stabling control is long, the technical issues of voltage regulation result difference and poor operability.
Description
Technical field
The present invention relates to duct test equipment technical field, more particularly, to a kind of pipeline pressure testing device and pipeline pressure
Power pilot system.
Background technology
Pressure pipeline is widely used in industrial pipeline and civil pipeline, and pipeline pressure experiment is that pipeline is applied after pipeline construction
The most direct most effective detection method of working medium amount.Pipeline pressure experiment can effectively detect weld bond, strength of flange and tightness
Etc. performances, the system that substantially increases start one-time success rate, pipeline pressure tests played effect and becomes clear day by day.
Pipeline pressure experiment of the prior art is to realize pipeline pressure by connecting compression pump with test pipeline composition
Experiment；It comprises the concrete steps that after pipe flushing, closes the attachmentes such as pipe end valve, pressurization of pouring water into test pipeline, pressurization
Voltage stabilizing 30 minutes after to 1.5 times of design pressures, during which have pressure drop can water filling ftercompction, observe pipeline and attachment without leak test after
It is continuous；Stop experiment if any leak and damage, ascertain the reason and pressure testing again after taking measures.After voltage stabilizing 30 minutes, stop
Water filling ftercompction keeps test pressure voltage stabilizing 15 minutes, and no pressure drops or drops to design pressure constant pressure 30 minutes after meeting the requirements,
External Observation is then qualified without leak.
But pipeline pressure experiment of the prior art has problems with：
1st, safety coefficient is low；Electrical pressure pump boosting is too fast, if there is operation error, it is easy to cause in test pipeline
Pressure raises suddenly, causes irreversible damage to test pipeline especially pipe end attachment, section of tubing valve is to pressure
Required precision is very high, to prevent from causing unnecessary loss to pipeline, attachment, valve etc..
2nd, voltage stabling control is long, and voltage regulation result is poor；Since electrical pressure pump is directly connected with test pipeline, electrical pressure pump exists
Into test pipeline in the injecting process, it is easy to cause medium back flow after supercharged, test pipeline is caused during reciprocal flowing
Interior pressure change, pressure gauge reading are inaccurate.
3rd, poor operability；Pressure gauge, thermometer, air bleeding valve can not be installed, and electrical pressure pump directly connects with test pipeline
It connects, because of test pipeline relative closure, it is necessary to ensure the integrality of test pipeline, can not be installed again after electrical pressure pump is connected
The devices such as pressure gauge, thermometer, air bleeding valve.
The content of the invention
It is existing to alleviate it is an object of the invention to provide a kind of pipeline pressure testing device and pipeline pressure pilot system
There is present in technology the technical issues of safety coefficient is low, voltage stabling control is long, voltage regulation result difference and poor operability.
A kind of pipeline pressure testing device provided by the invention, including：Pressure apparatus, principal pressure pipe, instrument cluster, valve
Component and multiple connecting tubes；
Principal pressure pipe includes input end, tube body and the port of export, and input end, tube body and the port of export are sequentially connected, pressure apparatus
It is connected by connecting tube with input end, the port of export is used to connect pipeline to be tested by connecting tube；
Valve member includes gate valve, check-valves and safety valve, and check-valves is arranged between pressure apparatus and input end, pressure
Device is connected by check-valves with tube body；
Gate valve includes the first gate valve and the second gate valve, and there are two the settings of the first gate valve, and two the first gate valves are respectively arranged at
Inlet end and an outlet end, and be arranged at close to the first gate valve of input end between check-valves and pressure apparatus, two the first gate valves
It is respectively used to the keying of control inlet end and an outlet end；Second gate valve is provided with multiple, and multiple second gate valves are arranged on tube body,
Instrument cluster is connected by the second gate valve with the tube body, and safety valve is arranged at tube body close to one end of the port of export, and safety valve leads to
It crosses the second gate valve to connect with tube body, to connect with pipeline to be tested by tube body.
Further, instrument cluster includes pressure gauge and thermometer；
Pressure gauge and thermometer are connected respectively by two the second gate valves with tube body, are respectively used to the in vivo pressure of detection pipe
And temperature.
Further, the direction on the side wall of tube body along input end to the port of export is disposed with pressure gauge connection, temperature
Table interface and vent valve interface are spent, and pressure gauge connection, thermometer interface and vent valve interface are connected to the second gate valve, pressure
Power table, thermometer and safety valve are connected respectively by the second gate valve with pressure gauge connection, thermometer interface and vent valve interface.
Further, pressure apparatus includes compression pump and water tank；
Compression pump is connected with water tank, and compression pump is for the medium in water tank to be transferred in principal pressure pipe, to pass through main pressure
Solenoid provides pressure medium to pipeline to be tested.
Further, multiple connecting tubes are connected through a screw thread respectively with inlet end and an outlet end.
Further, multiple connecting tubes pass through flanged joint with inlet end and an outlet end respectively.
Further, pipeline pressure testing device provided by the invention, further includes supporting rack；
Supporting rack is arranged at one side of the tube body away from instrument cluster, and supporting rack is connected with tube body.
Further, pipeline pressure testing device provided by the invention, further includes leakage fluid dram；
Leakage fluid dram is arranged at one side of the tube body away from instrument cluster, and leakage fluid dram is connected by the second gate valve with tube body.
Further, tube body uses carbon steel piping.
A kind of pipeline pressure pilot system provided by the invention, including connecting interface and pipeline pressure experiment dress
It puts；
Connecting interface is arranged to adjustable interface, the connecting tube connection of connecting interface and the port of export, to pass through connecting interface
Connect the bore model of a variety of pipelines to be tested.
A kind of pipeline pressure testing device provided by the invention, including：Pressure apparatus, principal pressure pipe, instrument cluster, valve
Component and multiple connecting tubes；Principal pressure pipe includes input end, tube body and the port of export, and input end, tube body and the port of export are sequentially connected,
Pressure apparatus is connected by connecting tube with input end, and the port of export is used to connect pipeline to be tested by connecting tube；Valve member bag
Gate valve, check-valves and safety valve are included, check-valves is arranged between pressure apparatus and input end, and pressure apparatus passes through check-valves and pipe
Body connects, and pressure apparatus is oppressed medium and entered by check-valves in pipe-line system to be tested, passes through check-valves control pressure device
The medium entered in pipeline to be tested will not flow back；Gate valve includes the first gate valve and the second gate valve, and the first gate valve is provided with two
A, two the first gate valves are respectively arranged at inlet end and an outlet end, and close to input end the first gate valve be arranged at check-valves with
Between pressure apparatus, two the first gate valves are respectively used to the keying of control inlet end and an outlet end；It will be to be measured by the first gate valve
Test tube road keeps apart with pressure apparatus, so as to reach the disturbance for reducing pressure apparatus and treating test manifold pressure；Second gate valve
It is provided with multiple, multiple second gate valves are arranged on tube body, and instrument cluster is connected by the second gate valve with the tube body, the second lock
Valve facilitates the installation and repair of instrument cluster, while reduces the interference that instrument cluster treats test pipe-line system；Safety valve is set
Tube body is placed in close to one end of the port of export, safety valve is connected by the second gate valve with tube body, to pass through tube body and pipeline to be tested
Connection；By safety valve in pressure value of the pipeline pressure to be tested beyond setting, releasing pressure automatically avoids pressure jump from causing to survey
Conduit fittings and valve damage are tried, reduces damage of the pressure jump to test pipeline to greatest extent, has buffered excess pressure
Damage to pressure testing conduit fittings reduces secondary maintenance cost, alleviate safety coefficient in the prior art it is low,
The technical issues of voltage stabling control is long, voltage regulation result difference and poor operability.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in describing below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the overall structure diagram of pipeline pressure testing device provided in an embodiment of the present invention；
Fig. 2 is the structure diagram under the first visual angle of pipeline pressure testing device provided in an embodiment of the present invention；
Fig. 3 is the structure diagram under the second visual angle of pipeline pressure testing device provided in an embodiment of the present invention；
Fig. 4 is the partial enlargement structural representation of pipeline pressure testing device provided in an embodiment of the present invention.
Icon：100- pressure apparatus；101- compression pumps；102- water tanks；200- principal pressure pipes；201- input ends；202- is managed
Body；The 203- ports of export；300- instrument clusters；301- pressure gauges；302- thermometers；400- valve members；401- gate valves；411-
One gate valve；The second gate valves of 421-；402- check-valves；403- safety valves；500- connecting tubes；600- pipelines to be tested；700- pressure
Table interface；800- thermometer interfaces；900- vent valve interfaces；110- supporting racks；120- leakage fluid drams.
Specific embodiment
Technical scheme is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's all other embodiments obtained without making creative work, belong to the scope of protection of the invention.
In the description of the present invention, it is necessary to explanation, such as occur term " " center ", " on ", " under ", "left", "right",
" vertical ", " level ", " interior ", " outer " etc., indicated by orientation or position relationship be based on orientation shown in the drawings or position
Relation is for only for ease of the description present invention and simplifies description rather than instruction or imply that signified device or element must have
There is specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, as occurred
Term " first ", " second ", " the 3rd " are only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it is necessary to which explanation, unless otherwise clearly defined and limited, term " peace such as occurs
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
The concrete meaning of language in the present invention.
Fig. 1 is the overall structure diagram of pipeline pressure testing device provided in this embodiment；Wherein, pressure apparatus 100
It is connected by connecting tube 500 with input end 201, the port of export 203 is used to connect pipeline 600 to be tested by connecting tube 500.
Fig. 2 is the structure diagram under the first visual angle of pipeline pressure testing device provided in this embodiment；Wherein, first
Visual angle is the direction overlooked along principal pressure pipe 200, and pressure apparatus 100 is connected by check-valves 402 with tube body 202.
Fig. 3 is the structure diagram under the second visual angle of pipeline pressure testing device provided in this embodiment；Wherein, second
Visual angle is along the direction of 200 main view of principal pressure pipe, and supporting rack 110 is connected with tube body 202.
Fig. 4 is the partial enlargement structural representation of pipeline pressure testing device provided in this embodiment；Wherein, instrument cluster
300 include pressure gauge 301 and thermometer 302.
As shown in Figs 1-4, a kind of pipeline pressure testing device provided in this embodiment, including：Pressure apparatus 100, main pressure
Solenoid 200, instrument cluster 300, valve member 400 and multiple connecting tubes 500；Principal pressure pipe 200 includes input end 201, tube body
202 and the port of export 203, input end 201, tube body 202 and the port of export 203 be sequentially connected, pressure apparatus 100 passes through connecting tube 500
It is connected with input end 201, the port of export 203 is used to connect pipeline 600 to be tested by connecting tube 500；Valve member 400 includes lock
Valve 401, check-valves 402 and safety valve 403, check-valves 402 are arranged between pressure apparatus 100 and input end 201, pressure apparatus
100 are connected by check-valves 402 with tube body 202；Gate valve 401 includes the first gate valve 411 and the second gate valve 421, the first gate valve 411
There are two settings, and two the first gate valves 411 are respectively arranged at input end 201 and the port of export 203, and close to the of input end 201
One gate valve 411 is arranged between check-valves 402 and pressure apparatus 100, and two the first gate valves 411 are respectively used to control input end
201 and the keying of the port of export 203；Second gate valve 421 is provided with multiple, and multiple second gate valves 421 are arranged on tube body 202, instrument
Table component 300 is connected by the second gate valve 421 with the tube body 202, and safety valve 403 is arranged at tube body 202 close to the port of export 203
One end, safety valve 403 is connected by the second gate valve 421 with tube body 202, to be connected by tube body 202 and pipeline 600 to be tested
It is logical.
Wherein, the connection mode of input end 201 and tube body 202 can be it is a variety of, such as：Welding, bonding, clamping etc., compared with
Goodly, the connection mode of input end 201 and tube body 202 is welding.
Preferably, the connection mode of the port of export 203 and tube body 202 is welding.
Connecting tube 500 can be a variety of, such as：High-pressure hose, steel pipe, plastic tube etc., it is preferred that connecting tube 500 is arranged to
High-pressure hose.
High-pressure hose can bear the flexible duct of high pressure, thereby may be ensured that pressure apparatus 100 can not limit tool
The position of body with principal pressure pipe 200 is connected and can ensure that the circulation with the high-pressure medium of pipeline 600 to be tested.
Gate valve 401 is an opening and closing element flashboard, and the first gate valve 411 is used to control input end 201 and the port of export 203 with being connected
The keying of pipe 500；Second gate valve 421 is isolated for instrument cluster 300 with the part of principal pressure pipe 200, so as to facilitate instrument group
The replacement and maintenance of part 300.
Check-valves 402 refers to flow in itself by medium and automatic open and close flap, for preventing the valve of medium refluence,
Medium is oppressed when pressure apparatus 100 by check-valves 402 to enter in 600 system of pipeline to be tested, 402 control pressure of check-valves dress
Putting 100 media entered in pipeline 600 to be tested will not flow back, pressure balanced with being oriented to and stablizing principal pressure pipe 200
Effect.
Safety valve 403 is that opening and closing element is lower in normally off by external force effect, when the pressure medium liter in equipment or pipeline
When height is more than specified value, by outside system discharge medium prevent that pressure medium in pipeline or equipment is more than the spy of specified value
Different valve, by safety valve 403 in pressure value of 600 pressure of pipeline to be tested beyond setting, releasing pressure automatically avoids pressure from dashing forward
Change causes testing tube road attachment and valve to damage, and reduces damage of the pressure jump to test pipeline to greatest extent,
Further, pressure apparatus 100 includes compression pump 101 and water tank 102；Compression pump 101 is connected with water tank 102, pressure
Power pump 101 for the medium in water tank 102 to be transferred in principal pressure pipe 200, with by principal pressure pipe 200 to pipeline to be tested
600 provide pressure mediums so that pipeline to be tested 600 by high-pressure medium be water.
In addition, pressure apparatus 100 can provide different media for different pipelines to be tested 600.
Further, tube body 202 uses carbon steel piping, and wherein carbon steel piping has the characteristics that at low cost, voltage endurance capability is big.
A kind of pipeline pressure testing device provided in this embodiment, including：Pressure apparatus 100, principal pressure pipe 200, instrument
Component 300, valve member 400 and multiple connecting tubes 500；Principal pressure pipe 200 includes input end 201, tube body 202 and the port of export
203, input end 201, tube body 202 and the port of export 203 are sequentially connected, and pressure apparatus 100 passes through connecting tube 500 and input end 201
Connection, the port of export 203 are used to connect pipeline 600 to be tested by connecting tube 500；Valve member 400 includes gate valve 401, non-return
Valve 402 and safety valve 403, check-valves 402 are arranged between pressure apparatus 100 and input end 201, and pressure apparatus 100 passes through only
Valve 402 is returned to connect with tube body 202, pressure apparatus 100 is oppressed medium and is entered by check-valves 402 in 600 system of pipeline to be tested,
The medium entered by 402 control pressure device 100 of check-valves in pipeline 600 to be tested will not flow back；Gate valve 401 includes the
One gate valve 411 and the second gate valve 421, there are two the settings of the first gate valve 411, and two the first gate valves 411 are respectively arranged at input end
201 and the port of export 203, and be arranged at close to the first gate valve 411 of input end 201 between check-valves 402 and pressure apparatus 100,
Two the first gate valves 411 are respectively used to the keying of control input end 201 and the port of export 203；It will be to be tested by the first gate valve 411
Pipeline 600 is kept apart with pressure apparatus 100, is disturbed so as to reach to reduce pressure apparatus 100 and treat pressure in test pipeline 600
It is dynamic；Second gate valve 421 is provided with multiple, and multiple second gate valves 421 are arranged on tube body 202, and instrument cluster 300 passes through the second lock
Valve 421 is connected with the tube body 202, and the second gate valve 421 facilitates the installation and repair of instrument cluster 300, while reduces instrument
Component 300 treats the interference of test 600 system of pipeline；Safety valve 403 is arranged at tube body 202 close to one end of the port of export 203, peace
Full valve 403 is connected by the second gate valve 421 with tube body 202, to be connected by tube body 202 with pipeline 600 to be tested；Pass through safety
For valve 403 in pressure value of 600 pressure of pipeline to be tested beyond setting, releasing pressure automatically avoids pressure jump from causing test pipeline
Attachment and valve damage, reduce damage of the pressure jump to test pipeline, have buffered excess pressure to pressure to greatest extent
The damage of test pipe attachment reduces secondary maintenance cost, when alleviating low safety coefficient in the prior art, voltage stabilizing
Between long, voltage regulation result difference and the technical issues of poor operability.
On the basis of above-described embodiment, further, the instrument group of pipeline pressure testing device provided in this embodiment
Part 300 includes pressure gauge 301 and thermometer 302；Pressure gauge 301 and thermometer 302 pass through two the second gate valves 421 and pipe respectively
Body 202 connects, the pressure and temperature being respectively used in detection tube body 202.
Further, on the side wall of tube body 202 pressure is disposed with along the direction of input end 201 to the port of export 203
Table interface 700, thermometer interface 800 and vent valve interface 900, and pressure gauge connection 700, thermometer interface 800 and vent valve
Interface 900 is connected to the second gate valve 421, and pressure gauge 301, thermometer 302 and safety valve 403 pass through the second gate valve respectively
421 are connected with pressure gauge connection 700, thermometer interface 800 and vent valve interface 900.
Wherein, the connection mode of pressure gauge connection 700 and the side wall of tube body 202 can be a variety of, such as：Welding, screw thread
Connection, bonding etc., it is preferred that pressure gauge connection 700 and the connection mode of the side wall of tube body 202 are welded.
Preferably, the connection mode of thermometer interface 800 and vent valve interface 900 and the side wall of tube body 202 is welding.
The one end of pressure gauge connection 700, thermometer interface 800 and vent valve interface 900 away from 202 side wall of tube body is respectively provided with
Have screw thread so that pressure gauge connection 700, thermometer interface 800 and vent valve interface 900 respectively with multiple second gate valve, 421 spiral shells
Line connects.
In addition, pressure gauge connection 700, the one end of thermometer interface 800 and vent valve interface 900 away from 202 side wall of tube body
Be also provided with flange so that pressure gauge connection 700, thermometer interface 800 and vent valve interface 900 respectively with
Multiple second gate valves 421 pass through flanged joint.
Preferably, pressure gauge connection 700, thermometer interface 800 and vent valve interface 900 respectively with multiple second gate valves
421 are threadedly coupled, so as to facilitate the replacement and repair of the second gate valve 421 and pressure gauge 301, thermometer 302 and safety valve 403
Deng.
Further, multiple connecting tubes 500 are connected through a screw thread respectively with input end 201 and the port of export 203.
Further, multiple connecting tubes 500 pass through flanged joint with input end 201 and the port of export 203 respectively.
Preferably, multiple connecting tubes 500 are connected through a screw thread respectively with input end 201 and the port of export 203, so as to facilitate
One gate and the replacement and repair of connecting tube 500.
Pipeline pressure testing device provided in this embodiment, by being respectively arranged with pressure gauge connection 700 on tube body 202,
Thermometer interface 800 and vent valve interface 900, so as to facilitate 403 principal pressure pipe of pressure gauge 301, thermometer 302 and safety valve
200 connection and pass through different connection modes so that whole designing scheme is more complete, more practical.
On the basis of above-described embodiment, further, pipeline pressure testing device provided in this embodiment further includes branch
Support 110；Supporting rack 110 is arranged at one side of the tube body 202 away from instrument cluster 300, and supporting rack 110 is connected with tube body 202.
The connection mode of supporting rack 110 and tube body 202 can be a variety of, such as：Welding, riveting, threaded connection etc., preferably
The connection mode of ground, supporting rack 110 and tube body 202 is welding.
The cross sectional shape of supporting rack 110 can be a variety of, such as：Triangle, trapezoidal, rectangle etc., it is preferred that supporting rack
110 cross sectional shape is triangle；It is located at the top of 110 triangle of supporting rack by tube body 202, so as to support tube body 202 high
In ground and with stability.
The altitude range of supporting rack 110 is 1.2 meters -1.6 meters, it is preferred that the height of supporting rack 110 is 1.4 meters, so as to more
Add and facilitate observation instrument.
Further, pipeline pressure testing device provided in this embodiment further includes leakage fluid dram 120；Leakage fluid dram 120 is set
In one side of the tube body 202 away from instrument cluster 300, leakage fluid dram 120 is connected by the second gate valve 421 with tube body 202.
When after the test, by the second gate valve 421 of unlatching, opening leakage fluid dram 120, so as to by principal pressure pipe 200 and treat
Test the medium discharge in pipeline 600.
Pipeline pressure testing device provided in this embodiment, by supporting rack 110 can principal pressure pipe 200 above Ground
Face, so as to be conveniently operated and observe instrument；In addition, by being provided with leakage fluid dram 120, can directly open after the test
Leakage fluid dram 120 discharges medium so that designing scheme is more complete, more practical.
A kind of pipeline pressure pilot system provided in this embodiment, including connecting interface and pipeline pressure experiment dress
It puts；Connecting interface is arranged to adjustable interface, and connecting interface is connected with the connecting tube 500 of the port of export 203, to pass through connecting interface
Connect the bore model of a variety of pipelines to be tested 600.
Pipeline pressure pilot system provided in this embodiment is keeping original pipeline 600 to be tested by connecting interface
On the premise of integrality, pipeline connection is carried out for the bore type of different pipelines to be tested 600 so that pipeline pressure is tested
System can be tested for different pipelines to be tested 600.Further, since pipeline pressure experiment system provided in this embodiment
The other technologies effect of system is identical with the technique effect of the pipeline pressure testing device of above-mentioned offer, and details are not described herein again.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe is described in detail the present invention with reference to foregoing embodiments, it will be understood by those of ordinary skill in the art that：Its according to
Can so modify to the technical solution recorded in foregoing embodiments either to which part or all technical characteristic into
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of pipeline pressure testing device, which is characterized in that including：Pressure apparatus, principal pressure pipe, instrument cluster, valve group
Part and multiple connecting tubes；
The principal pressure pipe includes input end, tube body and the port of export, and the input end, the tube body and the port of export connect successively
It connects, the pressure apparatus is connected by the connecting tube with the input end, and the port of export is used to connect by the connecting tube
Reception test pipeline；
The valve member include gate valve, check-valves and safety valve, the check-valves be arranged at the pressure apparatus with it is described into
Between mouth end, the pressure apparatus is connected by the check-valves with the tube body；
The gate valve includes the first gate valve and the second gate valve, and there are two the first gate valve settings, two first gate valves point
The input end and the port of export are not arranged at, and are arranged at the check-valves close to first gate valve of the input end
Between the pressure apparatus, two first gate valves are respectively used to control the keying of the input end and the port of export；
Second gate valve is provided with multiple, and multiple second gate valves are arranged on the tube body, and the instrument cluster passes through described
Second gate valve is connected with the tube body, and the safety valve is arranged at the tube body close to one end of the port of export, the safety
Valve is connected by second gate valve with the tube body, to be connected by the tube body with pipeline to be tested.
2. pipeline pressure testing device according to claim 1, which is characterized in that the instrument cluster include pressure gauge and
Thermometer；
The pressure gauge and the thermometer are connected respectively by two second gate valves with the tube body, are respectively used to detect
The in vivo pressure and temperature of pipe.
3. pipeline pressure testing device according to claim 2, which is characterized in that along described on the side wall of the tube body
The direction of input end to the port of export is disposed with pressure gauge connection, thermometer interface and vent valve interface, and the pressure
Power table interface, thermometer interface and vent valve interface are connected to second gate valve, the pressure gauge, the thermometer and
The safety valve passes through second gate valve and the pressure gauge connection, the thermometer interface and the vent valve interface respectively
Connection.
4. pipeline pressure testing device according to claim 1, which is characterized in that the pressure apparatus include compression pump and
Water tank；
The compression pump is connected with the water tank, and the compression pump is used to the medium in the water tank being transferred to the principal pressure
In pipe, to provide pressure medium to pipeline to be tested by the principal pressure pipe.
5. pipeline pressure testing device according to claim 1, which is characterized in that multiple connecting tubes respectively with it is described
Input end and the port of export are connected through a screw thread.
6. pipeline pressure testing device according to claim 1, which is characterized in that multiple connecting tubes respectively with it is described
Input end and the port of export pass through flanged joint.
7. according to claim 1-6 any one of them pipeline pressure testing devices, which is characterized in that further include supporting rack；
Support frame as described above is arranged at one side of the tube body away from the instrument cluster, and support frame as described above is connected with the tube body.
8. pipeline pressure testing device according to claim 7, which is characterized in that further include leakage fluid dram；
The leakage fluid dram is arranged at one side of the tube body away from the instrument cluster, and the leakage fluid dram passes through second gate valve
It is connected with the tube body.
9. pipeline pressure testing device according to claim 8, which is characterized in that the tube body uses carbon steel piping.
10. a kind of pipeline pressure pilot system, which is characterized in that including connecting interface and as described in claim any one of 1-9
Pipeline pressure testing device；
The connecting interface is arranged to adjustable interface, and the connecting interface is connected with the connecting tube of the port of export, to pass through
The connecting interface connects the bore model of a variety of pipelines to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711348037.3A CN108088749A (en) | 2017-12-15 | 2017-12-15 | Pipeline pressure testing device and pipeline pressure pilot system |
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| CN201711348037.3A CN108088749A (en) | 2017-12-15 | 2017-12-15 | Pipeline pressure testing device and pipeline pressure pilot system |
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| CN (1) | CN108088749A (en) |
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| CN109916727A (en) * | 2019-02-26 | 2019-06-21 | 浙江工业大学 | A kind of pipeline pressure test device and method |
| CN109946015A (en) * | 2019-04-02 | 2019-06-28 | 中广核核电运营有限公司 | Pressure testing equipment for pipelines |
| 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 |
| CN111551441A (en) * | 2020-05-18 | 2020-08-18 | 广州市程翔机械有限公司 | Pressure-resistant testing machine |
| CN111721633A (en) * | 2020-06-18 | 2020-09-29 | 王昆 | High-end equipment that can carry out contrast test is equipped with manufacturing and is used PU pipeline detection device |
| CN117969320A (en) * | 2024-04-02 | 2024-05-03 | 山东省林业保护和发展服务中心 | Forestry soil hardness detection device and detection method |
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| CN117969320B (en) * | 2024-04-02 | 2024-05-31 | 山东省林业保护和发展服务中心 | Forestry soil hardness detection device and detection method |
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Application publication date: 20180529 |