CN106918421A - Adjustable superhigh pressure water jet pressure measxurement experimental provision - Google Patents
Adjustable superhigh pressure water jet pressure measxurement experimental provision Download PDFInfo
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- CN106918421A CN106918421A CN201710108726.0A CN201710108726A CN106918421A CN 106918421 A CN106918421 A CN 106918421A CN 201710108726 A CN201710108726 A CN 201710108726A CN 106918421 A CN106918421 A CN 106918421A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
Abstract
The technical problem to be solved in the invention is to provide a kind of adjustable superhigh pressure water jet pressure measxurement experimental provision.Technical solution of the present invention is main by superhigh pressure water jet device, ultrahigh pressure pipeline, super-pressure nozzle, moving cart, liftable movement support, super-pressure submerged water jet measurement apparatus.After the technical program is implemented, the superhigh pressure water jet special type under superhigh pressure water jet regulation, the measurement of superhigh pressure water jet pressure and different flow regimes is efficiently solved the problems, such as.By the inventive method, the characteristic of superhigh pressure water jet, Rule Summary can be studied from mechanism, so as to for the early stage that research superhigh pressure water jet cutting hard soil mechanism provides research ensures, make it possible that superhigh pressure water jet carries out full-scale model test research indoors.
Description
Technical field
The present invention relates to a kind of adjustable superhigh pressure water jet device for pressure measurement.
Background technology
, just in high speed development, the mankind are turned to by exploring land exploitation land resources for dredging work and ocean engineering in recent years
Utilization and exploitation to marine resources.During exploitation ocean and construction ocean, the ground such as weak rock or hard soil are frequently encountered
Base.When the ground of the type uses traditional trailing suction hopper dredger operation, often inefficiency, is difficult to be mined.
In dredging work, hard soil belongs to the soil body type for being difficult to excavate, high to the requirement of drag head stock-removing efficiency.Its
In, rake teeth drag size plays the role of directly related with the ability of breaking ground of the drag head equipped with high-pressure flush.Domestic rake suction ship is general at present
All over the high-pressure jet pressure only 1-2MPa (10kg) that uses, it is adaptable to loose soil property, when run into smaller infiltration coefficient cohesive soil,
When hard soil, knotts clay, because the shear strength of soil property is high, the effect of high-pressure jet is substantially reduced, and causes rake teeth
Cutting depth it is not enough and resistance increases, dredging efficiency is low.
The superhigh pressure water jet of different pressures can provide enough cutting pressures to rake teeth cutting, and hard soil is cut to rake teeth
Shi Jinhang precuts effect in advance, can greatly improve rake teeth stock-removing efficiency.Research shows, when high-pressure jet pressure brings up to
During 10MPa even more than 100MPa, superhigh pressure water jet can be turned into, can be applied to coal mining, oil drilling, marble and cut
Cut, the field such as metal cutting.International large-scale dredging company also has glues firmly using 38MPa high-pressure jets auxiliary raking, sucking mud digging ship dredging
The precedent of soil and rock, and create good benefit.
In ocean engineering, as the mankind march to ocean, the requirement developed with excavation to excavating equipment to ocean
More and more higher, therefore superhigh pressure water jet is studied, the present invention can provide a kind of superelevation injection measurement side of adjustable pressure
Method and device, can be used for the characteristic of measuring study movement and static superhigh pressure water jet, can be developed based on this and develop advanced
Drag head and rake teeth, have broad prospects in dredging research field.Meanwhile, the development of adjustable superhigh pressure water jet equipment can be with
For hard soil cutting test provides premise and basis, provided subsequently to carry out superhigh pressure water jet equipment cutting hard soil study mechanism
Reliable super-pressure source.
In sum, the superhigh pressure water jet measurement experiment device of the pressure adjustable can be special for dredging work mesohigh jet
Property and the study mechanism of jet cutting hard soil experimental basis and premise are provided, the experiment point of correlation can be completed in laboratory
Analysis and research, are that the excavation of hard soil and dredging are provided fundamental basis and technical support, in dredging research field and ocean development
Had broad application prospects in field.
The content of the invention
The present invention is applied to superhigh pressure water jet, refers generally to high-pressure flush of the operating pressure in more than 10MPa.Superhigh pressure water jet
Its Main Function be cutting, it is adaptable to the construction environment such as hard soil, decomposed rock, destruction of the hard ground under Water Jet Impact and
Broken form is extremely complex.Present invention a set of adjustable superhigh pressure water jet pressure measxurement of designing initiative first in this area is tested
Device, is super-pressure cutting for carrying out superhigh pressure water jet equipment cutting hard soil study mechanism, there is provided reliable data source
Hard soil experiment provides premise and basis.
Technical solution of the present invention：
A kind of adjustable superhigh pressure water jet pressure measxurement experimental provision, it is characterised in that the adjustable superelevation injection including rear
Stream device and the super-pressure submerged water jet pressure test device in front, both are connected by ultrahigh pressure pipeline,
The adjustable superhigh pressure water jet device, including electric appliance control box 101, motor 103, shaft coupling 104, high-pressure plunger
Pump 105, import security valve 106, water feed apparatus 107, filter 108, sewage draining exit 109, digital display manometer 110, outlet pipeline
111st, some water solenoid valves 12, boom jet nozzle 7, wherein:
Described electric control box 101 by connecting line respectively with described frequency converter, motor 103, high-pressure plunger pump
105th, import security valve 106, water solenoid valve 12 are connected；
The motor 103 is used to drive high-pressure plunger pump 105 by shaft coupling 104, the rotating of motor 103 and turns
Quick decision drives the hydraulic pressure size of reciprocating linear displacement and the output of high-pressure plunger pump 105 surely；
The driving high-pressure plunger pump 105 includes plunger and cylinder body, and cylinder body is divided into upper and lower two parts, cylinder body top by plunger
Entrance be connected with the water feed apparatus 107, be provided between the two import security valve 106 for control intake break-make；It is described
Inferior part of the cylinder block is connected with the sewage draining exit 109, and filter 108 is provided between the two for the dirt in filtered water inlet and by row
Dirty mouth 109 is discharged；
The high-pressure water that plunger displacement pump is produced is transferred to each by the outlet at bottom of the inferior part of the cylinder block by outlet pipeline 111
Boom jet nozzle 7, the main pipe rail of outlet pipeline 111 is provided with the pressure that digital display manometer 110 is used to observe in outlet pipeline, water outlet
Be respectively provided with some branch lines of pipeline 111 water solenoid valve 12 for control be attached thereto the break-make of each boom jet nozzle 7；
Include frequency converter and switch board circuit system in electric control box 101, change is provided between power input and motor
Frequency device；
The switch board circuit system includes battery main switch QF2, emergency stop switch SB1, switch TA1, draught fan control circuit
14, also including some branch roads, respectively：Power supply instruction circuit for lamp, plunger pump control circuit 16, frequency converter signal circuit 17,
One water solenoid valve control circuit 18, the second water solenoid valve control circuit 19, the 3rd water solenoid valve control circuit 20,
Parallel relationship is formed between each branch road at nodes X, node Y respectively；
One end of the draught fan control circuit 14 is connected with node Y, and its other end passes sequentially through switch TA1, the urgency of concatenation
Nodes X is then connected to after guard's valve SB1；
The battery main switch QF2 is bordered by mains side input, is the master switch of whole switch board circuit system；
Concatenated between the emergency stop switch SB1, switch TA1, this two switches control the break-make of each branch road simultaneously；
The plunger pump control circuit 16 controls the start and stop of plunger pumping unit, including power switch SB2, power switch SB3,
Two switch KA1, indicator lamp, ballast formula sensing switch SP, described two switch KA1 are respectively designated as according to position relationship
Switch KA1, lower switch KA1, the power switch SB2, power switch SB3, lower switch KA1, ballast formula sensing switch SP according to
Secondary concatenation, is connected between the power switch SB2, power switch SB3 by node A, and the lower switch KA1 is sensed with ballast formula
Connected by node B between device switch SP, the upper switch is concatenated between KA1, indicator lamp by node C.
The start and stop of the first water solenoid valve control circuit 18 first water solenoid valve of control, including power switch SB4,
Power switch SB5, two switch KA2, indicator lamps, described two switch KA1 are respectively designated as upper switch according to position relationship
KA2, lower switch KA2, the power switch SB4, power switch SB5, lower switch KA2 are sequentially connected in series, the power switch SB4,
Power switch SB5, lower switch KA2 pass sequentially through node A1, node B1 connection, and the upper switch is between KA2, indicator lamp through celebrating a festival
Point C1 is concatenated.
The start and stop of the second water solenoid valve control circuit 19 second water solenoid valve of control, including power switch SB6,
Power switch SB7, two switch KA3, indicator lamps, described two switch KA3 are respectively designated as upper switch according to position relationship
KA3, lower switch KA3, the power switch SB6, power switch SB7, lower switch KA3 are sequentially connected in series, the power switch SB6,
Power switch SB7, lower switch KA3 pass sequentially through node A2, node B2 connection, and the upper switch is between KA3, indicator lamp through celebrating a festival
Point C2 is concatenated.
The start and stop of the 3rd water solenoid valve control circuit 20 the 3rd water solenoid valve of control, including power switch SB8,
Power switch SB9, two switch KA4, indicator lamps, described two switch KA4 are respectively designated as upper switch according to position relationship
KA4, lower switch KA4, the power switch SB8, power switch SB9, lower switch KA4 are sequentially connected in series, the power switch SB8,
Power switch SB9, lower switch KA4 pass sequentially through node A3, node B3 connection, and the upper switch is between KA4, indicator lamp through celebrating a festival
Point C3 is concatenated.
Described super-pressure submerged water jet pressure test device, mainly includes superhigh pressure water jet system, pressure sensor
8th, test board 9, tank 3, data line 5, the part of data acquisition equipment 11 5, wherein：
The superhigh pressure water jet system, mainly includes jet vectoring device, ultrahigh pressure pipeline 1 and jet nozzle 7, jet pressure
Power can be by fluidic device control, the delivery outlet of pressure duct 1 connection jet nozzle 7.Ultrahigh pressure pipeline 1 is high-pressure fluid conveying
Important component, jet nozzle 7 is the critical elements of super-pressure high-velocity liquid jet, is the tested of device for pressure measurement of the present invention
Object, the submerged water jet of different pressures can be provided by jet vectoring device.
The pressure sensor 8, receives the jet pressure under the different conditions of jet nozzle 7 and gathers corresponding numeral
Signal.Pressure sensor component sheet is as prior art：Processed using stainless steel single-piece, integral type, sensor is without O-shaped
Circle, no-welding-seam, without silicone oil or other organic matters, impact resistance, stability is high, and it is blue precious that its core body uses Russian imported with original packaging
Stone core body, stability and precision are all higher.
The test board 9 is support flat board, for fixing the pressure sensor 8；Test board 9 uses 4 height adjustables
Screw rod 10 support, the height of adjustment not threaded 10 is used for the differing tilt angles state for determining to support flat board, so as to being
System can be with measurement sensor 8 relative to the jet nozzle 7 in different angles pressure change.
Described tank 3, is a upper opening, the container being made up of glass and Prefabricated steel construction, and the top of tank 3 has parallel
Guide rail 2, the horizontal cross-section of tank 3 is a rectangle, and screw rod 10 is installed in bottom, and tank 3 adds water to form water level 6 by water pump,
The high adjustment sensor 8 high of water level and the distance of water level 6 are adjusted, so that system can be with measurement sensor 8 relative to water level
Pressure change of the liquid level 6 in different weights.
The mobile rack module 4, on the guide rail 2 of tank 3；The mobile rack module 4 is connected with jet nozzle
7, drive jet nozzle 7 to realize longitudinally, laterally and vertical movement, and friction speed movement so that system can be surveyed
Pressure change characteristic of the quantity sensor 8 relative to jet nozzle 7 under different motion scope and friction speed.
The structure design of mobile rack module 4 is：Including lengthwise movement component 41, transverse movement component 42, vertical fortune
Dynamic component 43 and control module；
The lengthwise movement component 41 is positioned over water with the side a long of two rectangular tops of tank 3 as track by train
In groove track 2, motor (not illustrating in figure) is connected with wheel 411 its power transmission shaft (not illustrating in figure) in train；
The transverse movement component 42 with the rod member 412 in lengthwise movement component 41 as track, the track of the rod member 412 across
In in the broadside b of tank 3；Transverse movement component 42 is placed on the track of rod member 412 by train 421, the wheel 421 in train its
Motor (not illustrating in figure) is connected on power transmission shaft (not illustrating in figure)；
The vertical motion assemblies 43, including servomotor (not illustrating in figure), screw rod 431 and nut 432, the servo
Motor output shaft is connected with the screw rod 431, and the internal thread of the nut 432 is connected with the external screw thread of the screw rod 431；It is described
Nut 432 is fixed on the transverse movement component 42, and screw rod 431 keeps vertical state in nut 432；By servomotor
Drive and be capable of achieving screw rod 431 in nut 432 in axis direction execution moving displacement, so that system can be with the phase of measurement sensor 8
Away from pressure change of the jet nozzle 7 in different distance.
The control module is fixed on mobile rack module 4, including WIFI module, the control system of WIFI module and outside
System connection；The stepper motor and servomotor are designed with AP focuses, and each AP focuses are connected with WIFI modules；Thus, it is above-mentioned each
The motion control of components mechanism can be realized by WIFI module 13.
The data line 5 is used to connect the connection of sensor 8 and data acquisition equipment 11, and the data are adopted equipment 11 and used
Pressure data during gathering and record different operating modes.Data acquisition equipment 11 includes data collecting card and two, computer of collection
Point, during pressure sensor data recorded into computer by data collecting card, calculated according to pressure sensor calibrating data
Actually measured pressure data.
The present invention provides energy by motor to plunger displacement pump, so as to provide super high pressure fluid.High-pressure plunger pump is ceramics
Plunger displacement pump, is the equipment for producing high-pressure water.Sewage draining exit is the delivery port that the impurity for filtering out filtration system is excluded.Spray boom and
Nozzle, is prior art, and spray boom is the visual plant for connecting ultrahigh pressure pipeline and nozzle, and nozzle is the weight for producing high-speed liquid
Element is wanted, is the part of superhigh pressure water jet device.Water feed apparatus, for providing water source to plunger displacement pump, by water inlet pipe and entering
Water filtering system is constituted, and water inlet pipe directly can be connected with cleaning water source, and entering water filtering system has double-filtration function, one
It is to prevent impurity from entering plunger displacement pump, high-precision plunger displacement pump is caused to damage, two is after preventing impurity from entering outlet pipe, to cause to surpass
The blocking of high-pressure jet nozzle.Electric control box is made up of control button and frequency conversion equipment.Frequency converter regulation button can be adjusted
Motor speed, adjusts each road discharge pressure.The general control system of whole superhigh pressure water jet device works as connection on electric control box
After power supply, button change motor speed is adjusted by adjusting frequency converter, so as to adjust each road discharge pressure.Have on electric control box
There is jerk operation button, to prevent the maloperation can emergent stopping.On electric control box guidance panel, also with each branch road super-pressure
The regulation switch of pipeline, can be adjusted to branch road respectively, during such that it is able to controlling single outlet or various combination to export
Superhigh pressure water jet.After the present invention is implemented, super-pressure submerged water jet characteristic can be accurately measured, understand the shadow of water jet in depth
Ring and sphere of action, can also be later stage research superelevation so as to provide theory support during for subsequent design super-pressure flushing rake tooth
The correlation tests such as jet flow cutting hard soil mechanism provide support.Super-pressure submerged water jet flowing pressure measurement dress in the present invention
Put, jet pressure and coverage when can measure different ultra-high pressure submerged jet by the device.Water is flooded by measurement
Jet pressure changes, and the underwater influence area of super-pressure bath can be provided, to grinding for superhigh pressure water jet cutting hard soil mechanism
Offer early stage guarantee is provided, is subsequently to carry out superhigh pressure water jet equipment for super-pressure cutting hard soil experiment provides premise and basis
Cutting hard soil study mechanism provides reliable data source.
Brief description of the drawings
Fig. 1 is the schematic diagram of ultra-high pressure water fluid jet device of the present invention.
Fig. 2 is the circuit diagram of electric control box.
Fig. 3 is super-pressure submerged water jet measurement apparatus schematic diagram of the present invention.
Fig. 4 is mobile rack module schematic diagram.
Numeral mark in figure：
Electric appliance control box 101, connecting line 102, motor 103, shaft coupling 104, high-pressure plunger pump 105, import security valve
106, water feed apparatus 107, filter 108, sewage draining exit 109, digital display manometer 110, outlet pipeline 111,
Water solenoid valve 12, boom jet nozzle 7, draught fan control circuit 14, power supply indicator 15, high-pressure plunger pump start and stop 16,
First water solenoid valve control circuit 18, the second water solenoid valve control circuit 19, the 3rd water solenoid valve control circuit 20,
Pressure duct 1, tank guide rail 2, tank 3, mobile rack module 4, data line 5, tank water level 6, super-pressure
Jet nozzle 7, sensor 8, test board 9, adjusting screw 10, data acquisition equipment 11.
Lengthwise movement component 41, lengthwise movement wheel 411, lengthwise movement rod member 412, transverse movement component 42, transverse movement
Wheel 421, vertical motion assemblies 43, screw rod 431, nut 432.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
Adjustable superhigh pressure water jet device in measurement experiment device of the present invention, as shown in figure 1, including electric appliance control box 101,
Motor 103, shaft coupling 104, high-pressure plunger pump 105, import security valve 106, water feed apparatus 107, filter 108, sewage draining exit
109th, digital display manometer 110, outlet pipeline 111, some water solenoid valves 12, boom jet nozzle 7, wherein:
Described electric control box 101 is the control centre of whole device, and described electric control box 101 passes through connecting line
It is connected with described frequency converter, motor 103, high-pressure plunger pump 105, import security valve 106, water solenoid valve 12 respectively；
The motor 103 is used to drive high-pressure plunger pump 105 by shaft coupling 104, the rotating of motor 103 and turns
Quick decision drives the hydraulic pressure size of reciprocating linear displacement and the output of high-pressure plunger pump 105 surely；
The driving high-pressure plunger pump 105 includes plunger and cylinder body, and cylinder body is divided into upper and lower two parts, cylinder body top by plunger
Entrance be connected with the water feed apparatus 107, be provided between the two import security valve 106 for control intake break-make；It is described
Inferior part of the cylinder block is connected with the sewage draining exit 109, and filter 108 is provided between the two for the dirt in filtered water inlet and by row
Dirty mouth 109 is discharged；
The high-pressure water that plunger displacement pump is produced is transferred to each by the outlet at bottom of the inferior part of the cylinder block by outlet pipeline 111
Boom jet nozzle 7, the main pipe rail of outlet pipeline 111 is provided with the pressure that digital display manometer 110 is used to observe in outlet pipeline, water outlet
Be respectively provided with some branch lines of pipeline 111 water solenoid valve 12 for control be attached thereto the break-make of each boom jet nozzle 7.
Include frequency converter and switch board circuit system (Fig. 2) in electric control box 101, set between power input and motor
There is frequency converter, the frequency converter is used for the rotating speed of controlled motor, so as to regulate and control the change of nozzle discharge pressure.
The switch board circuit system includes battery main switch QF2, emergency stop switch SB1, switch TA1, draught fan control circuit
14, also including some branch roads, respectively：Power supply instruction circuit for lamp, plunger pump control circuit 16, frequency converter signal circuit 17,
One water solenoid valve control circuit 18, the second water solenoid valve control circuit 19, the 3rd water solenoid valve control circuit 20,
Parallel relationship is formed between each branch road at nodes X, node Y respectively；
One end of the draught fan control circuit 14 is connected with node Y, and its other end passes sequentially through switch TA1, the urgency of concatenation
Nodes X is then connected to after guard's valve SB1；
The battery main switch QF2 is bordered by mains side input, is the master switch of whole switch board circuit system；
Concatenated between the emergency stop switch SB1, switch TA1, this two switches control the break-make of each branch road simultaneously；
The plunger pump control circuit 16 controls the start and stop of plunger pumping unit, including power switch SB2, power switch SB3,
Two switch KA1, indicator lamp, ballast formula sensing switch SP, described two switch KA1 are respectively designated as according to position relationship
Switch KA1, lower switch KA1, the power switch SB2, power switch SB3, lower switch KA1, ballast formula sensing switch SP according to
Secondary concatenation, is connected between the power switch SB2, power switch SB3 by node A, and the lower switch KA1 is sensed with ballast formula
Connected by node B between device switch SP, the upper switch is concatenated between KA1, indicator lamp by node C.
The start and stop of the first water solenoid valve control circuit 18 first water solenoid valve of control, including power switch SB4,
Power switch SB5, two switch KA2, indicator lamps, described two switch KA1 are respectively designated as upper switch according to position relationship
KA2, lower switch KA2, the power switch SB4, power switch SB5, lower switch KA2 are sequentially connected in series, the power switch SB4,
Power switch SB5, lower switch KA2 pass sequentially through node A1, node B1 connection, and the upper switch is between KA2, indicator lamp through celebrating a festival
Point C1 is concatenated.
The start and stop of the second water solenoid valve control circuit 19 second water solenoid valve of control, including power switch SB6,
Power switch SB7, two switch KA3, indicator lamps, described two switch KA3 are respectively designated as upper switch according to position relationship
KA3, lower switch KA3, the power switch SB6, power switch SB7, lower switch KA3 are sequentially connected in series, the power switch SB6,
Power switch SB7, lower switch KA3 pass sequentially through node A2, node B2 connection, and the upper switch is between KA3, indicator lamp through celebrating a festival
Point C2 is concatenated.
The start and stop of the 3rd water solenoid valve control circuit 20 the 3rd water solenoid valve of control, including power switch SB8,
Power switch SB9, two switch KA4, indicator lamps, described two switch KA4 are respectively designated as upper switch according to position relationship
KA4, lower switch KA4, the power switch SB8, power switch SB9, lower switch KA4 are sequentially connected in series, the power switch SB8,
Power switch SB9, lower switch KA4 pass sequentially through node A3, node B3 connection, and the upper switch is between KA4, indicator lamp through celebrating a festival
Point C3 is concatenated.
Super-pressure submerged water jet pressure test device in measurement experiment device of the present invention, as shown in Figure 3, Figure 4,
Mainly include superhigh pressure water jet system, pressure sensor 8, test board 9, tank 3, data line 5, data acquisition equipment 11 5
Part, wherein：
The superhigh pressure water jet system, mainly includes jet vectoring device, ultrahigh pressure pipeline 1 and jet nozzle 7, jet pressure
Power can be by fluidic device control, the delivery outlet of pressure duct 1 connection jet nozzle 7.Ultrahigh pressure pipeline 1 is high-pressure fluid conveying
Important component, jet nozzle 7 is the critical elements of super-pressure high-velocity liquid jet, is the tested of device for pressure measurement of the present invention
Object, the submerged water jet of different pressures can be provided by jet vectoring device.
The pressure sensor 8, receives the jet pressure under the different conditions of jet nozzle 7 and gathers corresponding numeral
Signal.Pressure sensor component sheet is as prior art：Processed using stainless steel single-piece, integral type, sensor is without O-shaped
Circle, no-welding-seam, without silicone oil or other organic matters, impact resistance, stability is high, and it is blue precious that its core body uses Russian imported with original packaging
Stone core body, stability and precision are all higher.
The test board 9 is support flat board, for fixing the pressure sensor 8；Test board 9 uses 4 height adjustables
Screw rod 10 support, the height of adjustment not threaded 10 is used for the differing tilt angles state for determining to support flat board, so as to being
System can be with measurement sensor 8 relative to the jet nozzle 7 in different angles pressure change.
Described tank 3, is a upper opening, the container being made up of glass and Prefabricated steel construction, and the top of tank 3 has parallel
Guide rail 2, the horizontal cross-section of tank 3 is a rectangle, and screw rod 10 is installed in bottom, and tank 3 adds water to form water level 6 by water pump,
The high adjustment sensor 8 high of water level and the distance of water level 6 are adjusted, so that system can be with measurement sensor 8 relative to water level
Pressure change of the liquid level 6 in different weights.
The mobile rack module 4, on the guide rail 2 of tank 3；The mobile rack module 4 is connected with jet nozzle
7, drive jet nozzle 7 to realize longitudinally, laterally and vertical movement, and friction speed movement so that system can be surveyed
Pressure change characteristic of the quantity sensor 8 relative to jet nozzle 7 under different motion scope and friction speed.
The structure design of mobile rack module 4 is：Including lengthwise movement component 41, transverse movement component 42, vertical fortune
Dynamic component 43 and control module；
The lengthwise movement component 41 is positioned over water with the side a long of two rectangular tops of tank 3 as track by train
In groove track 2, motor (not illustrating in figure) is connected with wheel 411 its power transmission shaft (not illustrating in figure) in train；
The transverse movement component 42 with the rod member 412 in lengthwise movement component 41 as track, the track of the rod member 412 across
In in the broadside b of tank 3；Transverse movement component 42 is placed on the track of rod member 412 by train 421, the wheel 421 in train its
Motor (not illustrating in figure) is connected on power transmission shaft (not illustrating in figure)；
The vertical motion assemblies 43, including servomotor (not illustrating in figure), screw rod 431 and nut 432, the servo
Motor output shaft is connected with the screw rod 431, and the internal thread of the nut 432 is connected with the external screw thread of the screw rod 431；It is described
Nut 432 is fixed on the transverse movement component 42, and screw rod 431 keeps vertical state in nut 432；By servomotor
Drive and be capable of achieving screw rod 431 in nut 432 in axis direction execution moving displacement, so that system can be with the phase of measurement sensor 8
Away from pressure change of the jet nozzle 7 in different distance.
The control module is fixed on mobile rack module 4, including WIFI module, the control system of WIFI module and outside
System connection；The stepper motor and servomotor are designed with AP focuses, and each AP focuses are connected with WIFI module；Thus, it is above-mentioned each
The motion control of components mechanism can be realized by WIFI module 13.
The data line 5 is used to connect the connection of sensor 8 and data acquisition equipment 11, and the data are adopted equipment 11 and used
Pressure data during gathering and record different operating modes.Data acquisition equipment 11 includes data collecting card and two, computer of collection
Point, during pressure sensor data recorded into computer by data collecting card, calculated according to pressure sensor calibrating data
Actually measured pressure data.
Present invention work：
Firstly the need of the oil level and viscosity that check above high-pressure plunger pump 105, it is determined whether need to add or change lubrication
Oil, ensures that water inlet lateral pressure is not less than 0.2bar before start, the device of high-pressure plunger pump 105 carries water shortage protective switch, by high pressure
The ballast formula sensing switch S of pump start and stopPControl, if during hypotony, the power supply in electric control box 101 will be disconnected.
The grade annex of boom jet nozzle 7 is connected with water solenoid valve 12.
Water feed apparatus 107 are connected with water supply line, and open water inlet system switch, it is ensured that enough outputs and confession
Water pressure, it is ensured that the normal operation of machine.The part of contaminated water and debris that opening sewage draining exit 109 will filter out are drained, it is ensured that entered
Current in high-pressure plunger pump 105 are filtered water, it is ensured that high-pressure plunger pump 105 normally runs.
After work is fully completed above, the battery main switch QF2, power turn-on master switch QF3 in electric control box 1 are opened
Motor 103, three water solenoid valves 12 and inverter supplies can be given.
The breaker in middle KA1 of electric control box 101 is opened first, frequency converter timing current potential is adjusted and is zeroed.
The branch road of water solenoid valve 12 is opened again, then starts the power switch SB3 of high-pressure plunger pump 105, observe pressure
Numerical value in display table 110 shows that adjust the speed governing current potential of frequency converter, when loine pressure is reached required numerical value, stopping is adjusted
Frequency converter.
During if necessary to switching nozzle exit area, can directly switch required shower nozzle, switching time is very short, three different branch
Road can open simultaneously, have no mutually locking device.
After the above is ready, it is connected with super-pressure submerged water jet device for pressure measurement as shown in Figure 3 by pipeline
Get up.
It is whether normal firstly the need of sensor 8 is checked, sensor 8 is connected with data line 5, by data line 5
It is connected to data acquisition equipment 11.
As abnormal, then check whether the connection of mobile rack module 4 is problematic, whether sensor 8 is after normal power supply, then
Proceed debugging, until visual data is continuously acquired in data acquisition equipment 11.Gently to the sense of sensor 8
Hole is answered to blow, the data variation in observed data collecting device, if there is continuous fluctuation to occur, sensor 8 is normal condition, can
To install and use.
Test board 9 is supported by four adjusting screws 10, and the height of test board 9 is can adjust by adjusting screw 10, to be regulated
To after operating condition of test position, further work is carried out.
Test board 9 is the stainless steel plate of a block length a height of 1m × 1m × 0.01m wide, and the effect of test board 9 is to provide sensing
The installation site of device 8.The height of test board 9 can be adjusted by adjusting screw 10, behind the position to operating condition of test to be regulated,
Carry out further work.
WIFI module can set up communication signal, can be by connecting WIFI signal to the various electricity in mobile rack module 4
Machine is controlled.
It is to be installed after hours, the height of adjustment tank water level 6, the correlative measurement of submerged jets when setting different water levels
Examination.
Then, during beginning to be measured, it is always on data acquisition equipment 11.
Test includes：
(1), according to superhigh pressure water jet nozzle 7 and the different vertical range of sensor 8, the data of different operating modes are recorded.
(2) movement around, aloft being carried out by mobile rack module 4 control superhigh pressure water jet nozzle 7 with
Relative position between sensor 8, can measure the scope that superhigh pressure water jet nozzle 7 is covered.
(3), rack module 4 can be moved with friction speed along tank length direction, it is super during measurement different motion speed
High-pressure jet pressure.
Data acquisition equipment, pressure data when being for gathering operating mode different with above-mentioned three class is recorded, data acquisition sets
It is standby mainly to include data collecting card and collection computer two parts, pressure sensor data is recorded by data collecting card
In computer, actually measured pressure data is calculated according to pressure sensor calibrating data.The present invention effectively solves super-pressure
In jet measurement process, many technical problems such as jet pressure is adjustable, jet pressure is measurable, jet range is adjustable, are super
The research of high-pressure jet cutting hard soil mechanism lays a solid foundation, equal in the research field of dredging work and ocean engineering
Have broad application prospects.
Claims (1)
1. a kind of adjustable superhigh pressure water jet pressure measxurement experimental provision, it is characterised in that the adjustable superhigh pressure water jet including rear
Device and the super-pressure submerged water jet pressure test device in front, both are connected by ultrahigh pressure pipeline,
The adjustable superhigh pressure water jet device includes electric appliance control box (101), motor (103), shaft coupling (104), high-pressure column
Plug pump (105), import security valve (106), water feed apparatus (107), filter (108), sewage draining exit (109), digital display manometer
(110), outlet pipeline (111), some water solenoid valves (12), boom jet nozzle (7), wherein:
Described electric control box (101) by connecting line respectively with described frequency converter, motor (103), high-pressure plunger pump
(105), import security valve (106), water solenoid valve (12) connection；
The motor (103) is by shaft coupling (104) for driving high-pressure plunger pump (105), the rotating of motor (103)
And rotating speed determines to drive the hydraulic pressure size of reciprocating linear displacement and the output of high-pressure plunger pump (105)；
Driving high-pressure plunger pump (105) includes plunger and cylinder body, and cylinder body is divided into upper and lower two parts by plunger, cylinder body top
Entrance is connected with the water feed apparatus (107), and import security valve (106) is provided between the two for controlling the break-make of water inlet；Institute
State inferior part of the cylinder block to be connected with the sewage draining exit (109), filter (108) is provided between the two for the dirt in filtered water inlet simultaneously
Discharged by sewage draining exit (109)；
The high-pressure water that plunger displacement pump is produced is transferred to each and sprayed by the outlet at bottom of the inferior part of the cylinder block by outlet pipeline (111)
Boom jet nozzle (7), the main pipe rail of outlet pipeline (111) is provided with digital display manometer (110) for observing the pressure in outlet pipeline,
Water solenoid valve (12) is respectively provided with some branch lines of outlet pipeline (111) for controlling to be attached thereto each boom jet nozzle (7)
Break-make；
Include frequency converter and switch board circuit system in electric control box (101), frequency conversion is provided between power input and motor
Device；
The switch board circuit system includes battery main switch QF2, emergency stop switch SB1, switch TA1, draught fan control circuit (14),
Also include some branch roads, respectively：Power supply instruction circuit for lamp, plunger pump control circuit (16), the first water solenoid valve control electricity
Road (18), the second water solenoid valve control circuit (19), the 3rd water solenoid valve to control circuit (20),
Parallel relationship is formed between each branch road at nodes X, node Y respectively；
One end of the draught fan control circuit (14) is connected with node Y, and its other end passes sequentially through switch TA1, the jerk of concatenation
Nodes X is then connected to after switch SB1；
The battery main switch QF2 is bordered by mains side input, is the master switch of whole switch board circuit system；
Concatenated between the emergency stop switch SB1, switch TA1, this two switches control the break-make of each branch road simultaneously；
The plunger pump control circuit (16) controls the start and stop of plunger pumping unit, including power switch SB2, power switch SB3, two
Individual switch KA1, indicator lamp, ballast formula sensing switch SP, described two switch KA1 are respectively designated as opening according to position relationship
KA1, lower switch KA1 are closed, the power switch SB2, power switch SB3, lower switch KA1, ballast formula sensing switch SP are successively
Concatenation, connects between the power switch SB2, power switch SB3 by node A, the lower switch KA1 and ballast formula sensor
Connected by node B between switch SP, the upper switch is concatenated between KA1, indicator lamp by node C；
First water solenoid valve controls circuit (18) to control the start and stop of the first water solenoid valve, including power switch SB4, electricity
Source switch SB5, two switch KA2, indicator lamps, described two switch KA1 according to position relationship be respectively designated as upper switch KA2,
Lower switch KA2, the power switch SB4, power switch SB5, lower switch KA2 are sequentially connected in series, the power switch SB4, power supply
Switch SB5, lower switch KA2 pass sequentially through node A1, node B1 connection, and the upper switch is between KA2, indicator lamp by node C1
Concatenation；
Second water solenoid valve controls circuit (19) to control the start and stop of the second water solenoid valve, including power switch SB6, electricity
Source switch SB7, two switch KA3, indicator lamps, described two switch KA3 according to position relationship be respectively designated as upper switch KA3,
Lower switch KA3, the power switch SB6, power switch SB7, lower switch KA3 are sequentially connected in series, the power switch SB6, power supply
Switch SB7, lower switch KA3 pass sequentially through node A2, node B2 connection, and the upper switch is between KA3, indicator lamp by node C2
Concatenation；
3rd water solenoid valve controls circuit (20) to control the start and stop of the 3rd water solenoid valve, including power switch SB8, electricity
Source switch SB9, two switch KA4, indicator lamps, described two switch KA4 according to position relationship be respectively designated as upper switch KA4,
Lower switch KA4, the power switch SB8, power switch SB9, lower switch KA4 are sequentially connected in series, the power switch SB8, power supply
Switch SB9, lower switch KA4 pass sequentially through node A3, node B3 connection, and the upper switch is between KA4, indicator lamp by node C3
Concatenation；
The super-pressure submerged water jet pressure test device, including superhigh pressure water jet system, pressure sensor (8), test board
(9), tank (3), data line (5), the part of data acquisition equipment (11) five, wherein：
The superhigh pressure water jet system, including ultrahigh pressure pipeline (1) and jet nozzle (7), pressure duct (1) delivery outlet connection are penetrated
Flow nozzle (7), pressure duct (1) input port is connected to the outlet pipe of the adjustable superhigh pressure water jet pressure measxurement experimental provision
Road；
The pressure sensor (8), receives the jet pressure under jet nozzle (7) different conditions and gathers corresponding numeral
Signal；
The test board (9) is support flat board, for fixing the pressure sensor (8)；Test board (9) uses four roots highly
Adjustable screw rod (10) supports, and the height for adjusting not threaded (10) is used for the differing tilt angles shape for determining to support flat board
State；
Described tank (3), is a upper opening, the container being made up of glass and Prefabricated steel construction, and (3 tops have parallel to tank
Guide rail (2), tank (3) horizontal cross-section is a rectangle, and screw rod (10) is installed in bottom, and tank (3) adds water to form water by water pump
Position liquid level (6), adjusts the high adjustment sensor (8) high of water level and the distance of water level (6)；
The mobile rack module (4), on the guide rail (2) of tank (3)；The mobile rack module (4) is connected with jet
Nozzle (7), drives jet nozzle (7) to realize longitudinally, laterally and vertical movement, and friction speed movement；
Mobile rack module (4) structure design is：Including lengthwise movement component (41), transverse movement component (42), vertical
Moving parts (43) and control module；
The lengthwise movement component (41) is positioned over water with the side a long of two rectangular tops of tank (3) as track by train
In groove track (2), motor is connected with wheel (411) its power transmission shaft in train；
The transverse movement component (42) with the rod member (412) in lengthwise movement component (41) as track, rod member (412) rail
Road is across in the broadside b of tank (3)；Transverse movement component (42) is placed on rod member (412) track by train (421), train
Motor is connected on interior wheel (421) its power transmission shaft；
The vertical motion assemblies (43), including servomotor, screw rod (431) and nut (432), the servo motor output shaft
It is connected with the screw rod (431), the internal thread of the nut (432) is connected with the external screw thread of the screw rod (431)；The nut
(432) it is fixed on the transverse movement component (42), screw rod (431) keeps vertical state in nut (432)；By servo
Motor drives and is capable of achieving screw rod (431) in nut (432) inherence axis direction execution moving displacement；
The control module is fixed on mobile rack module (4), including WIFI module, the control system of WIFI module and outside
Connection；The stepper motor and servomotor are designed with AP focuses, and each AP focuses are connected with WIFI module；
The data line (5) adopts equipment for connecting sensor (8) connection and data acquisition equipment (11), the data
(11) for gathering and record pressure data during different operating modes.
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| CN201710108726.0A CN106918421B (en) | 2017-02-27 | 2017-02-27 | Adjustable superhigh pressure water jet pressure measurement experimental provision |
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| CN201710108726.0A CN106918421B (en) | 2017-02-27 | 2017-02-27 | Adjustable superhigh pressure water jet pressure measurement experimental provision |
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| CN106918421B CN106918421B (en) | 2019-04-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107315084A (en) * | 2017-08-01 | 2017-11-03 | 河海大学常州校区 | It is a kind of to dredge the measuring method that clay cuts critical jet pressure |
| CN109357885A (en) * | 2018-11-02 | 2019-02-19 | 天津航宇卓然科技有限公司 | A kind of discharge coefficient Intelligent Calibration system of multichannel nozzle |
| CN117073979A (en) * | 2023-10-18 | 2023-11-17 | 中国电力工程顾问集团中南电力设计院有限公司 | Test device and method for cleaning underwater cable soil covering |
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| CN202693189U (en) * | 2012-06-14 | 2013-01-23 | 中国水电顾问集团华东勘测设计研究院 | Plugging structure for measuring pressure of ultrahigh-pressure high-flow karst fissure water |
| CN203811376U (en) * | 2014-05-04 | 2014-09-03 | 温岭市涌艺清洁设备有限公司 | Injection tester for high pressure washer |
| CN104297634A (en) * | 2014-10-18 | 2015-01-21 | 国家电网公司 | Ultrahigh-voltage online monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3739645A (en) * | 1971-04-22 | 1973-06-19 | Dresser Ind | Differential pressure indicating apparatus |
| CN202693189U (en) * | 2012-06-14 | 2013-01-23 | 中国水电顾问集团华东勘测设计研究院 | Plugging structure for measuring pressure of ultrahigh-pressure high-flow karst fissure water |
| CN203811376U (en) * | 2014-05-04 | 2014-09-03 | 温岭市涌艺清洁设备有限公司 | Injection tester for high pressure washer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107315084A (en) * | 2017-08-01 | 2017-11-03 | 河海大学常州校区 | It is a kind of to dredge the measuring method that clay cuts critical jet pressure |
| CN107315084B (en) * | 2017-08-01 | 2019-07-26 | 河海大学常州校区 | A kind of dredging clay cuts the measurement method of critical jet pressure |
| CN109357885A (en) * | 2018-11-02 | 2019-02-19 | 天津航宇卓然科技有限公司 | A kind of discharge coefficient Intelligent Calibration system of multichannel nozzle |
| CN117073979A (en) * | 2023-10-18 | 2023-11-17 | 中国电力工程顾问集团中南电力设计院有限公司 | Test device and method for cleaning underwater cable soil covering |
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|---|---|
| CN106918421B (en) | 2019-04-12 |
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