CN107884156A - Water supply pipe network pipe burst experimental device - Google Patents
Water supply pipe network pipe burst experimental device Download PDFInfo
- Publication number
- CN107884156A CN107884156A CN201810000435.4A CN201810000435A CN107884156A CN 107884156 A CN107884156 A CN 107884156A CN 201810000435 A CN201810000435 A CN 201810000435A CN 107884156 A CN107884156 A CN 107884156A
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- CN
- China
- Prior art keywords
- booster
- water pipe
- pipe
- motor
- sensor
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 239000002689 soil Substances 0.000 claims abstract description 25
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000004567 concrete Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000011295 pitch Substances 0.000 claims description 2
- 238000002474 experimental method Methods 0.000 abstract description 6
- 238000004088 simulation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000007405 data analysis Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 abstract 3
- 239000004566 building material Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a pipe burst experimental device for a water supply pipe network, which consists of a master controller, a lead, an upper cover, a box body, a soil sensor, a pipe wall sensor, a sealing ring, a water pipe, a blade shaft, a rotating shaft hole, an orifice, rubber, a sealing ring, a pipe burst simulation device and a road building substance, wherein the master controller is connected with the lead; when carrying out the pipe explosion experiment, relevant parameter and the instruction that will carry out the experiment are inputed in the master controller, and the master controller passes through the rotation of wire control motor and controls corresponding speed and angle, and the motor drives all rotating vane and rotates, and under the effect of water pressure in the water pipe, rivers flow rapidly through the space between the rotating vane, and then reach the effect of water pipe "pipe explosion". The soil sensor and the pipe wall sensor record and transmit parameter data such as pressure and the like of the water pipe and the road building material before and after pipe explosion to the master controller in real time, and the parameter data are displayed and exported by the master controller for data analysis and use. The device has the advantages of low manufacturing cost, simple and convenient operation, wide application range and convenient popularization and use.
Description
Technical field
The present invention relates to a kind of analogue means being used in the experiment of laboratory simulation water supply network booster.
Background technology
At present, because the aging of water supply network, pipe network maintenance cost deficiency, booster problem become increasingly conspicuous.Analyze and research quick-fried
The purpose of pipe problem is to find out the principal element and its interaction relationship that influence booster, the experimental model of booster is established, to pipe
The present situation of net is evaluated, and future is made prediction, and establishes the decision system of pipe network maintenance management, seeks cost-effective pipe network
Reparation and more new strategy, realize the scientific management to pipe network, are one of important leverages of urban water supply safety.Therefore, it is solution
Above mentioned problem, the present invention develop a kind of water supply network booster experimental provision, and the apparatus structure is simple, economic and environment-friendly, is easy to promote
Use.
The content of the invention
It is an object of the invention to develop a kind of analogue means being used in the experiment of laboratory simulation water supply network booster, dress
Low manufacture cost is put, operation is easy, applied widely, is easy to popularization to use and promote.
To achieve these goals, agent structure of the invention includes main controller, wire, upper lid, casing, soil sensing
Device, tube wall sensor, sealing ring, water pipe, sharf, shaft hole, aperture, rubber, sealing ring, booster analogue means and thing of building the road
Matter forms:One casing is set, two apertures are opened up in two side walls of casing, two circular apertures are in straight line
On, a straight water pipe is passed through into two apertures, sets a circle rubber to carry out at sealing between water pipe and the wall of casing
Reason.One section is intercepted on water pipe in casing, booster analogue means is installed, water pipe is connected again by booster analogue means
Get up, sealed between water pipe and booster analogue means by sealing ring.Soil, stone, concrete, drip in casing filling
Green grass or young crops etc., which is built the road, material and to be compacted, and is sealed casing by removable upper lid.
Booster analogue means is by sealing strip, protective cover, transmission circle, moving blade, sealing strip, crescent moon gear, motor, master
Driving wheel, main shaft and sharf composition.The moving blade of arc is set, it is all rigid on the axis per a piece of moving blade
A piece sharf is installed.Per a piece of moving blade a long side on a sealing strip is all installed, all moving blades its
In a short side on install a sealing strip, by the long side of all moving blades be connected form a circle, formed a pipe,
Maintain a sealing strip between adjacent two panels moving blade, the sealing strip on all moving blades is all in the same side.
There is no that a crescent moon gear is all installed on the outer wall of sealing strip side in each moving blade, pacify on the outside of crescent moon gear
An annular transmission circle is filled, the groove of transmission circle inner side matches with the groove on crescent moon gear outside, when transmission circle rotates
When can drive all crescent moon gears around sharf rotate, meanwhile, crescent moon gear band turn movable vane piece is around sharf synchronous axial system.
Groove on the outside of one driving wheel of outside setting of transmission circle, driving wheel matches with the groove on transmission circle outside, actively
The rotation of wheel can drive the rotation that transmission is enclosed.One motor is set, the main shaft on motor and the center of driving wheel is firm
Property connection, the rotation of the main shaft of motor can drive driving wheel to rotate.A protective cover is set to be driven circle, moon tooth
Wheel, motor, driving wheel, main shaft cover, and prevent large particulate matter from entering motor and geared system and influenceing device work.
Shaft hole, shaft hole and the corresponding installation just of the sharf on booster analogue means, leaf are all opened up on the tube wall section of water pipe both sides
Bobbin can freely rotate in shaft hole.
One tube wall sensor is all installed on the pipe outer wall of booster analogue means both sides, for measuring in real time in water pipe
Current, the delta data of hydrologic parameter such as pressure.Four soil sensors are set in the surrounding of booster analogue means, for reality
When measure soil in pressure and other parameters delta data.By wire by soil sensor, tube wall sensor and motor with
Main controller is connected, and main controller is soil sensor, tube wall sensor and motor and sends instruction, meanwhile, receive and locate
The measurement data that reason soil sensor, tube wall sensor are passed back.
By controlling length, opening angle and the speed of moving blade to simulate different degrees of booster state.Pass through
Different degrees of, different works can also be simulated by setting the quantity, length and its position on water pipe tube wall of different moving blades
Booster state under condition.
Under conventional sense, moving blade is in closed state, whole in the presence of sealing strip, sealing strip and sealing ring
The tube wall of individual water pipe is in air-tight state, and water can not flow out from water pipe.It is defeated in main controller when needing to carry out booster experiment
Enter the relevant parameter to be tested and instruction, main controller is by the rotation of polygon control survey motor and controls corresponding speed
And angle, motor by driving shaft drive driving wheel rotate, driving wheel by be driven enclose drive crescent moon pinion rotation, the moon tooth
Wheel drives all moving blades to rotate, and in the presence of water inner pipe water pressure, the space that current pass through between moving blade is rapid
Outflow, and then the effect of water pipe " booster ".In booster simulation process, soil sensor, tube wall sensor record in real time
And transmit before and after " booster " in water pipe and material of building the road the supplemental characteristic such as pressure to main controller, and there is main controller to show and export into
Row data analysis uses.
Brief description of the drawings
Fig. 1 is the agent structure principle schematic of the present invention.
Fig. 2 is the travelling gear topology layout schematic diagram of the present invention.
Fig. 3 is the moving blade principle schematic diagram of the present invention.
Fig. 4 is the transmission structures principle schematic of the present invention.
Fig. 5 is the pipe section side view of the present invention.
Embodiment
It is further described below in conjunction with the accompanying drawings and by embodiment.
Embodiment:
The agent structure of the present embodiment include main controller 1, wire 2, upper lid 3, casing 4, soil sensor 5, tube wall sensor 6,
Sealing ring 11, water pipe 12, sharf 17, shaft hole 18, aperture 19, rubber 20, sealing ring 21, booster analogue means 22 and build the road
Material 23 forms:The steel casing 4 that the high 1000cm wall thickness of the wide 1000cm of 2000cm one long is 2cm is set, at two of casing 4
Open up two a diameter of 30cm circular aperture 19 in side wall, two circular apertures 19 point-blank, by a pen
Straight external diameter is that 30cm thickness 1cm plastic water pipe 12 passes through two apertures 19, and one is set between the wall of water pipe 12 and casing 4
Enclose the rubber 20 that thickness is 1cm and carry out encapsulation process.One section is intercepted on water pipe 12 in casing 4, installs booster simulation dress
22 are put, water pipe 12 is connected together again by booster analogue means, is by thickness between water pipe 12 and booster analogue means
1cm sealing ring 11 and thickness is that 1cm sealing ring 21 is sealed.Soil, stone, concrete, pitch in the filling of casing 4
Material 23 and it is compacted etc. building the road, is sealed casing 4 by lid 3 on steel that the removable long wide 1000cm thickness of 2000cm is 2cm.
Booster analogue means 22 is by sealing strip 7, protective cover 8, transmission circle 9, moving blade 10, sealing strip 24, crescent moon gear
13rd, motor 14, driving wheel 15, main shaft 16 and sharf 17 form.It is that 30cm radians are that π/15 are thick to set 30 radiuses
The moving blade 10 of 1cm arc, all piece a diameter of 0.5cm of rigidity installation on the axis per a piece of moving blade 10
Steel blade axle 17.The sealing strip 24 that a piece thickness is 0.5cm is all installed in a long side per a piece of moving blade 10,
The sealing strip 7 that a piece thickness is 0.5cm is installed, by all moving blades 10 on all 10 therein short sides of moving blade
Long side be connected form a circle, formed a pipe, a sealing strip 24 is maintained between adjacent two panels moving blade 10,
Sealing strip 7 on all moving blades 10 is all in the same side.Outer wall in each moving blade 10 without the side of sealing strip 7
On all install an a diameter of 2cm width be 3cm steel crescent moon gear 13, on the outside of crescent moon gear 13 install a ring
The internal diameter of shape is that 32cm thickness is that the steel that 2cm width is 3cm is driven circle 9, and transmission is enclosed outside the groove and crescent moon gear 13 of 9 inner sides
Groove on side matches, and when transmission circle 9 rotates all crescent moon gears 13 can be driven to be rotated around sharf 17, meanwhile, the moon
Tooth wheel 13 drives moving blade 10 around the synchronous axial system of sharf 17.It is 5cm width to set a radius in the outside of transmission circle 9
For 3cm steel driving wheel 15, the groove in the outside of driving wheel 15 matches with the groove on the outside of transmission circle 9, driving wheel 15
The rotation of transmission circle 9 can be driven by rotating.One a diameter of 6cm motor 14 is set, long 5cm on motor 14 is a diameter of
2cm steel main shaft 16 is connected with the central rigid of driving wheel 15, and the rotation of the main shaft 16 of motor 14 can drive master
Driving wheel 15 rotates.Set the wide 15cm of 15cm one long high 15cm thickness 1cm steel protective 8 will be driven circle 9, crescent moon gear 13,
Motor 14, driving wheel 15, main shaft 16 cover, and prevent large particulate matter from entering motor and geared system and influenceing device work
Make.30 a diameter of 0.5cm depths 2cm shaft hole 18, shaft hole 18 and booster are all opened up on the both sides tube wall section of water pipe 12
Just corresponding installation, sharf 17 can freely rotate sharf 17 on analogue means 22 in shaft hole 18.
The high 2cm of the wide 4cm of 6cm one long tube wall sensing is all installed on the outer wall of water pipe 12 of the both sides of booster analogue means 22
Device 6, for the delta data of the current such as pressure in measurement water pipe 12, hydrologic parameter in real time.The four of booster analogue means 22
Week sets the high 2cm of the wide 4cm of 6cm four long soil sensor 5, for the change number of the pressure and other parameters in measurement soil in real time
According to.By wire 2 by soil sensor 5, tube wall sensor 6 and motor 14 and the high 10cm of the wide 15cm of long 30cm main controller 1
It is connected, main controller 1 is that soil sensor 5, tube wall sensor 6 and motor 14 are powered and send instruction, meanwhile, receive and handle
The measurement data that soil sensor 5, tube wall sensor 6 are passed back.
By controlling length, opening angle and the speed of moving blade 10 to simulate different degrees of booster state.It is logical
Cross the quantity that different moving blades 10 is set, length and its position on the tube wall of water pipe 12 can also simulate in various degree,
Booster state under different operating modes.
Under conventional sense, moving blade 10 is in closed state, in the work of sealing strip 7, sealing strip 11 and sealing ring 21
Under, the tube wall of whole water pipe 12 is in air-tight state, and water can not flow out from water pipe 12.When needing to carry out booster experiment,
The relevant parameter and instruction that input will be tested in main controller 1, main controller 1 control the rotation of motor 14 by wire 2
And corresponding speed and angle are controlled, motor 14 drives driving wheel 15 to rotate by driving shaft 16, and driving wheel 15 passes through biography
Moving-coil 9 drives crescent moon gear 13 to rotate, and crescent moon gear 13 drives all moving blades 10 to rotate, the work of hydraulic pressure in water pipe 12
Under, the space that current pass through between moving blade 10 is flowed out rapidly, and then the effect of water pipe 12 " booster ".In booster mould
During plan, soil sensor 5, tube wall sensor 6 record and transmit water pipe 12 before and after " booster " and build the road in material 23 in real time
Pressure and other parameters data have main controller 1 to show and exported and carry out data analysis use to main controller 1.
Claims (2)
- A kind of 1. water supply network booster experimental provision, it is characterised in that by main controller, wire, upper lid, casing, soil sensor, Tube wall sensor, sealing ring, water pipe, sharf, shaft hole, aperture, rubber, sealing ring, booster analogue means and material of building the road Composition:One casing is set, opens up two apertures in two side walls of casing, two circular apertures point-blank, A piece straight water pipe is passed through into two apertures, sets a circle rubber to carry out encapsulation process between water pipe and the wall of casing; One section is intercepted on water pipe in casing, booster analogue means is installed, water pipe is connected again by booster analogue means Come, sealed between water pipe and booster analogue means by sealing ring;Soil, stone, concrete, pitch in casing filling Material and it is compacted etc. building the road, is sealed casing by removable upper lid;On the pipe outer wall of booster analogue means both sides all One tube wall sensor is installed, for the delta data of the current such as pressure in measurement water pipe, hydrologic parameter in real time;In booster mould The surrounding for intending device sets four soil sensors, for the delta data of the pressure and other parameters in measurement soil in real time;Pass through Soil sensor, tube wall sensor and motor are connected by wire with main controller, and main controller is soil sensor, tube wall sensor With motor and send instruction, meanwhile, receive the measurement data passed back with processing soil sensor, tube wall sensor;It is logical Different degrees of booster state can be simulated by crossing length, opening angle and the speed of control moving blade;It is different by setting Quantity, length and its position on water pipe tube wall of moving blade can also simulate the booster under different degrees of, different operating modes State.
- 2. a kind of water supply network booster experimental provision according to claim 1, it is characterised in that booster analogue means is by close Strip of paper used for sealing, protective cover, transmission circle, moving blade, sealing strip, crescent moon gear, motor, driving wheel, main shaft and sharf group Into;The moving blade of arc is set, and all rigidity installs a sharf on the axis per a piece of moving blade;Per a piece of A sealing strip is all installed in one long side of moving blade, installation one is close on all moving blades short side therein Strip of paper used for sealing, the long side of all moving blades is connected and formed a circle, a pipe is formed, between adjacent two panels moving blade Maintain a sealing strip, the sealing strip on all moving blades is all in the same side;Do not sealed in each moving blade One crescent moon gear is all installed on the outer wall of bar side, an annular transmission circle, transmission are installed on the outside of crescent moon gear The groove enclosed on the outside of groove and the crescent moon gear of inner side matches, can be driven when transmission circle rotation all crescent moon gears around Sharf rotates, meanwhile, crescent moon gear band turn movable vane piece is around sharf synchronous axial system;In the outside of transmission circle, one master is set Driving wheel, the groove on the outside of driving wheel match with the groove on transmission circle outside, and rotations of driving wheel can drive turn for being driven circle It is dynamic;One motor is set, the central rigid of the main shaft on motor and driving wheel is connected, the main shaft of motor turns It is dynamic driving wheel to be driven to rotate;A protective cover is set to be driven circle, crescent moon gear, motor, driving wheel, main shaft cover Firmly, prevent large particulate matter from entering motor and geared system and influenceing device work;All opened up on the tube wall section of water pipe both sides Shaft hole, corresponding installation, sharf can freely rotate shaft hole in shaft hole just with the sharf on booster analogue means.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810000435.4A CN107884156B (en) | 2018-01-02 | 2018-01-02 | Water supply pipe network pipe explosion experimental device |
Applications Claiming Priority (1)
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CN201810000435.4A CN107884156B (en) | 2018-01-02 | 2018-01-02 | Water supply pipe network pipe explosion experimental device |
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CN107884156A true CN107884156A (en) | 2018-04-06 |
CN107884156B CN107884156B (en) | 2023-05-26 |
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CN201810000435.4A Active CN107884156B (en) | 2018-01-02 | 2018-01-02 | Water supply pipe network pipe explosion experimental device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113203540A (en) * | 2021-04-20 | 2021-08-03 | 株洲珠华智慧水务科技有限公司 | Multi-target experimental device based on transient hydraulic model |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58129231A (en) * | 1982-01-29 | 1983-08-02 | Hitachi Ltd | Water leakage detector |
CN2269548Y (en) * | 1996-08-31 | 1997-12-03 | 南通市海峰空调设备有限责任公司 | Gear split multiple blade regulating valve |
CN102566448A (en) * | 2012-02-06 | 2012-07-11 | 青岛理工大学 | Water supply pipe network simulation experiment platform |
CN203231770U (en) * | 2013-03-18 | 2013-10-09 | 北京联创思源测控技术有限公司 | Wireless pipe network monitoring device |
CN203287341U (en) * | 2013-06-07 | 2013-11-13 | 中国矿业大学(北京) | Explosion experiment device for unevenly distributed methane gas |
CN204944806U (en) * | 2015-07-17 | 2016-01-06 | 中船重工特种设备有限责任公司 | Explosive valve proving installation |
KR101655837B1 (en) * | 2015-03-13 | 2016-09-08 | 조선대학교산학협력단 | High temperature tube burst test apparatus using hydraulic pressure and burst test method using thereof |
CN206095313U (en) * | 2016-10-21 | 2017-04-12 | 郑州大学 | Centralized water supply pipe network integrated monitoring simulates analytic system |
CN107219807A (en) * | 2017-07-31 | 2017-09-29 | 东营市旭瑞智能科技股份有限公司 | One kind greening pipe network remote automatic control device and method |
-
2018
- 2018-01-02 CN CN201810000435.4A patent/CN107884156B/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58129231A (en) * | 1982-01-29 | 1983-08-02 | Hitachi Ltd | Water leakage detector |
CN2269548Y (en) * | 1996-08-31 | 1997-12-03 | 南通市海峰空调设备有限责任公司 | Gear split multiple blade regulating valve |
CN102566448A (en) * | 2012-02-06 | 2012-07-11 | 青岛理工大学 | Water supply pipe network simulation experiment platform |
CN203231770U (en) * | 2013-03-18 | 2013-10-09 | 北京联创思源测控技术有限公司 | Wireless pipe network monitoring device |
CN203287341U (en) * | 2013-06-07 | 2013-11-13 | 中国矿业大学(北京) | Explosion experiment device for unevenly distributed methane gas |
KR101655837B1 (en) * | 2015-03-13 | 2016-09-08 | 조선대학교산학협력단 | High temperature tube burst test apparatus using hydraulic pressure and burst test method using thereof |
CN204944806U (en) * | 2015-07-17 | 2016-01-06 | 中船重工特种设备有限责任公司 | Explosive valve proving installation |
CN206095313U (en) * | 2016-10-21 | 2017-04-12 | 郑州大学 | Centralized water supply pipe network integrated monitoring simulates analytic system |
CN107219807A (en) * | 2017-07-31 | 2017-09-29 | 东营市旭瑞智能科技股份有限公司 | One kind greening pipe network remote automatic control device and method |
Non-Patent Citations (2)
Title |
---|
DAI CHENG-LIN: "Influence of pipe brak on multiple water supply net work subarea", JOURNAL OF QINGDAO TECHNOLOGICAL UNIVERSITY * |
江新兰等: "基于两线解码技术的水肥一体化云灌溉系统研究", 《农业机械学报》 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113203540A (en) * | 2021-04-20 | 2021-08-03 | 株洲珠华智慧水务科技有限公司 | Multi-target experimental device based on transient hydraulic model |
CN113203540B (en) * | 2021-04-20 | 2023-03-14 | 株洲珠华智慧水务科技有限公司 | Multi-target experimental device based on transient hydraulic model |
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