CN103233472B - The ram machine construction monitoring method of ram machine construction monitoring device - Google Patents
The ram machine construction monitoring method of ram machine construction monitoring device Download PDFInfo
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- CN103233472B CN103233472B CN201310134769.8A CN201310134769A CN103233472B CN 103233472 B CN103233472 B CN 103233472B CN 201310134769 A CN201310134769 A CN 201310134769A CN 103233472 B CN103233472 B CN 103233472B
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Abstract
The present invention relates to a kind of stake machine supervising device, one can be monitored filling concrete situation in a machine course of work in real time specifically, and feed back in time perfusion information, ram machine construction supervising device and the method for reporting to the police for condition of construction, it is characterized in that described theoretical value logging modle comprise be connected with winch output shaft for recording the encoder of the winch output shaft rotation number of turns, the recorded information for received code device being connected with the signal output part of encoder through socket is also scaled the computing module that a machine pours in real time the degree of depth and stake orifice ring void volume and calculates theoretical construction value according to annular volume, be connected with computing module for the input module to computing module stroke device running parameter, the memory module for theory of storage value being connected with computing module, have rational in infrastructure, easy and simple to handle, monitoring accurately waits advantage significantly.
Description
Technical field
The present invention relates to a kind of stake machine supervising device, one can be monitored in a machine course of work in real time specificallyFilling concrete situation, the also stake of the timely ram machine construction monitoring device that feeds back perfusion information, report to the police for condition of constructionMachine construction monitoring method.
Background technology
As everyone knows, stake machine is equipment conventional in construction site, and perfusion pile refers to directly on designed stake positionPerforate, its cross section is circular hole, places steel reinforcement cage after pore-forming in hole, the pile making method that concrete perfusion forms, due to bored concrete pileHave when construction friction, little without soil compaction, noise, be suitable in advantages such as City Building City Regions uses, in constructionIn process, obtain applying comparatively widely, according to the difference of pore-forming technique, bored concrete pile can be divided into dry operation pore-forming bored concrete pile,The bored concrete pile of mud off pore-forming and the bored concrete pile of manually digging hole etc.
In piling construction process, staff to concrete perfusion in boring, completes piling by operation stake machine. ThisTime, workmen needs first to calculate pumping number of times, the total ram machine construction parameter such as the amount of pumping into, eyelet volume by hole depth, then complies withAccording to amount of calculation, to boring in concrete perfusion. Cave in or produce bubble once there is eyelet in the process of perfusion, can causePump into quantity not sufficient, piling quality is defective, brings loss to construction enterprises, and can only pass through for the detection of pile quality at presentAfter perfusion, the difference of calculating theoretical groundwater increment and actual groundwater increment draws. Not yet have and can execute piling accurately and reliablyWork is monitored in real time, also in time construction error situation is carried out to warning device, and causing cannot be in time to the underproof stake of qualityCorrect, bring loss to construction enterprises.
Summary of the invention
The present invention is directed to shortcoming and defect of the prior art, proposing one can Real-Time Monitoring in the stake machine course of workWith the degree of depth in record stake hole, calculate the annular volume in a hole, according to annular volume calculate need the amount of concrete perfusion andConcrete pump needs the strokes per minute of work etc., record the strokes per minute of concrete pump and according to strokes per minute convert pump concrete total amount, withUpper parameter may be displayed on 7 cun of LCDs, all information exchanges are crossed Wireless Data Transmission having of feedback in timeEffect improves the ram machine construction monitoring method of the ram machine construction monitoring device of piling success rate.
The present invention can reach by following measures:
A kind of ram machine construction monitoring device, comprises the construction value record module for recording the grey pump real work parameter of note,For calculate the theoretical value record of the real-time concrete requirement in a hole and the strokes per minute of the grey pump real-time working of note according to stake hole real-time deepModule, be connected with theoretical value logging modle, construction value record module respectively for receiving construction value and theoretical value and to twoThe comparison module that person compares, and the display module being connected with comparison module, is characterized in that described theoretical value recordModule comprises the encoder being connected through socket with winch top sheave output shaft, the theoretical value being connected with the output of encoderComputing module, the input module being connected with the input of theoretical value computing module, is also provided with comparison module output and is connectedThe memory module connecing.
The value record module of constructing described in the present invention, comprises the electromagnetism for detection of the work times of the each piston of the grey pump of noteInductosyn, be connected with the output of electromagnetic sensor for calculating pump in conjunction with cylinder sleeve diameter and stroke counterThe computing module of discharge capacity, and be connected with computing module for pistons work number of times and the total displacement of record are uploaded toThe wireless communication module of comparison module, the output of wireless communication module is connected with the signal input part of comparison module.
Display module described in the present invention can adopt liquid crystal display to realize, for exporting the work ginseng of ram machine construction processNumber and comparative result.
In the present invention, be also provided with the alarm module being connected with comparison module, alarm module is audible-visual annunciator, when comparingIn module, the difference of comparative result exceeds threshold value, can pass through the outside output alarm signal of alarm module.
In the present invention, be also provided with a machine levelness detection module, be wherein provided with the serial ports output twin shaft being connected with stake machine and inclineAngle transducer, the data processing module being connected with the output of serial ports output double-shaft tilt angle sensor, data processing moduleOutput is connected with memory module, display module respectively.
In the present invention, be also provided with and hold stratum arrival judge module, hold in stratum arrival judge module and be provided with for collecting pile machineThe current collection circuit of unit head electric current, for the tension force/pulling force sensor of collecting pile machine winch cable stress data,The signal output part of power/pulling force sensor and current collection circuit is connected with data processing module respectively, data processing moduleOutput be connected with memory module, display module respectively.
The present invention is in practice process, and above-mentioned computing module, data processing module, memory module etc. all can be by veneersMachine and peripheral circuit thereof are realized, and the input module being connected with computing module can be realized by keyboard or touch-screen; Institute in the present inventionThe comparing module of stating can be by computer realization, and the output module being connected with comparing module can be provided with liquid crystal display or touchScreen, also can be provided with audible-visual annunciator as required.
Encoder described in the present invention is absolute value encoder, and the position that absolute value encoder is each single shaft provides singleUnique coded numeric value, particularly in positioning control application, absolute value encoder has alleviated electronic receiving equipmentCalculation task, thus complicated and expensive input arrangement saved, and, when connecing again after machine power turn-on or power failureEnergize, does not need to get back to position reference point, just can utilize current positional value, the multi-turn absolute encoder using in the present inventionThe number of turns of device is 12, and maximum has 4096 circles to be identified, and can meet the demand to stake hole depth information gathering record.
A ram machine construction monitoring method for ram machine construction monitoring device, is characterized in that comprising the following steps:
Step 1: stake machine levelness is detected, whether stake mechanomotive force head is arrived and hold stratum and judge, when stake machineLevelness meets standard and a stake mechanomotive force head and reaches after holding stratum and continue next step, otherwise carries out a machine levelness, stake mechanomotive forceRelevant parameter adjustment,
Step 2: after piling starts, the encoder Real-time Collection in theoretical value logging modle also records turning of pulley output shaftMoving-coil number, and Information Monitoring is sent into theoretical value computing module, theoretical value computing module is according to pulley output shaft rotation number of turns meterCalculate the real-time deep in a hole and calculate an orifice ring void volume V in conjunction with borehole diameter1Then draw the theoretical concrete filling in a holeNote requirement V2, meanwhile, the work times of grey pump piston is noted in the electromagnetic sensor collection in construction value record moduleT, and data are sent in computing module in conjunction with the actual pump output V of the grey pump gain of parameter of note3，
Step 3: theoretical value computing module is by the theoretical filling concrete requirement V obtaining2Send into comparison module, construction value noteRecord module through wireless communication module by actual pump output V3Send into comparison module, comparison module is V relatively2With V3, obtain difference B, thisTime comparison module difference B and the threshold value C setting are in advance compared, in the time of B > C, judge operation irregularity, by with comparison mouldThe alarm module that piece is connected outwards sends alarm signal, and result is exported through display module, and in the time of B≤C, judgement work justOften, comparison module is by the coupled outside Output rusults of display module.
Detection to stake machine levelness in step 1 of the present invention, comprise by stake machine levelness detection module, be provided withThe serial ports output double-shaft tilt angle sensor Real-time Collection obliquity information that stake machine is connected is also sent into data processing module, with stringThe data processing module that the output of mouth output double-shaft tilt angle sensor is connected is processed this information, and result is sent respectivelyEnter memory module and preserve, send into display module and show, the real-time inclination angle ginseng that workmen shows by display moduleNumber, can get information about and judge the levelness of a machine, and then reach the object of timely adjustment vertical degree of the peg hole, workmenThe historical data that can also recall in memory module is carried out reference.
In step 1 of the present invention to stake mechanomotive force head whether arrive hold stratum judge according to the electric current of stake mechanomotive force head withExert pressure and be directly proportional, and the soft durometer on stratum is directly proportional to pressure, electric current, the pressure that therefore ought be added on stratum increases, movingPower head current also increases, but now there is no drilling depth, can judge to have reached and hold stratum, comprises following content while specifically enforcement:Hold stratum and arrive the electric current I of the current collection circuit Real-time Collection stake mechanomotive force head in judge module, and the data of collection are sentEnter data processing module, the tension force/pulling force sensor being connected with stake machine winch cable gathers the stressed F of steel wire rope, and willThe data that gather are sent into data processing module, and output processing module judges whether I value reaches maximum, when I value reaches maximum, and FFor minimum of a value does not have drilling depth, judgement arrives holds stratum.
The present invention compared with prior art, can realize the Real-Time Monitoring to ram machine construction, effectively improves ram machine construction matterAmount and operating efficiency, have rational in infrastructure, easy and simple to handle, monitor the remarkable advantages such as accurate.
Brief description of the drawings:
Accompanying drawing 1 is structural representation of the present invention.
Accompanying drawing 2 is structural representations that in the present invention, winch cable top sheave output shaft is connected with encoder.
Reference numeral: construction value record module 1, theoretical value logging modle 2, comparison module 3, theoretical value computing module 4, defeatedEnter module 5, wireless communication module 6, electromagnetic sensor 7, encoder 8, hold out against screw 9, encoder adapter sleeve 10, calculateModule 11, display module 12, memory module 13, alarm module 14, data processing module 15, serial ports output double-shaft tilt angle sensor16, current collection circuit 17, tension force/pulling force sensor 18.
Detailed description of the invention:
Below in conjunction with drawings and Examples, the present invention is further illustrated.
As shown in Figure 1, the present invention proposes a kind of ram machine construction monitoring device, comprise for recording the actual work of the grey pump of noteMake the construction value record module 1 of parameter, for calculate the real-time concrete requirement in a hole and the grey pump of note according to stake hole real-time deepThe theoretical value logging modle 2 of real-time working strokes per minute, the use being connected with theoretical value logging modle 2, construction value record module 1 respectivelyIn the comparison module 3 that receives construction value and theoretical value and the two is compared, and the demonstration mould being connected with comparison module 3Piece 12, is characterized in that described theoretical value logging modle 2 comprises the encoder being connected through socket with winch top sheave output shaft8, the theoretical value computing module 4 being connected with the output of encoder 8, is connected with the input of theoretical value computing module 4Input module 5, is also provided with the memory module 13 being connected with comparison module 3 outputs, and described construction value record module 1, comprisesFor detection of the electromagnetic sensor 7 of the work times of note grey pump each piston, with the output of electromagnetic sensor 7End be connected for calculate the computing module 11 of pump delivery in conjunction with cylinder sleeve diameter and stroke counter, and with computing module 11 phasesConnect for the pistons work number of times of record and total displacement being uploaded to the wireless communication module 6 of comparison module 3, radio communicationThe output of module 6 is connected with the signal input part of comparison module 3, and described display module 12 can adopt liquid crystal display to realize,For exporting running parameter and the comparative result of ram machine construction process;
The present invention is also provided with the alarm module 14 being connected with comparison module 3, and alarm module 14 is audible-visual annunciator, when thanDifference compared with comparative result in module 3 exceeds threshold value, can pass through the outside output alarm signal of alarm module;
In the present invention, be also provided with a machine levelness detection module, be wherein provided with the serial ports output twin shaft being connected with stake machine and inclineAngle transducer 16, with the data processing module 15 that the output of serial ports output double-shaft tilt angle sensor 16 is connected, data processingThe output of module 15 is connected with memory module 13, display module 12 respectively;
In the present invention, be also provided with and hold stratum arrival judge module, hold in stratum arrival judge module and be provided with for collecting pile machineThe current collection circuit 17 of the electric current of unit head, for the tension force/pulling force sensor of collecting pile machine winch cable stress data18, the signal output part of tension force/pulling force sensor 18 and current collection circuit 17 is connected with data processing module 15 respectively, numberOutput according to processing module 15 is connected with memory module 13, display module 12 respectively.
The present invention is in practice process, and above-mentioned computing module, data processing module, memory module etc. all can be by veneersMachine and peripheral circuit thereof are realized, and the input module being connected with computing module can be realized by keyboard or touch-screen; Institute in the present inventionThe comparing module of stating can be by computer realization, and the output module being connected with comparing module can be provided with liquid crystal display or touchScreen, also can be provided with audible-visual annunciator as required.
Encoder 8 described in the present invention is absolute value encoder, and it is single that the position that absolute value encoder is each single shaft providesIndividual unique coded numeric value, particularly, in positioning control application, absolute value encoder has alleviated electronic receiving equipmentCalculation task, thereby saved complicated and expensive input arrangement, and, when after machine power turn-on or power failure againSwitch on power, do not need to get back to position reference point, just can utilize current positional value, the multi-turn absolute value using in the present invention is compiledThe number of turns of code device is 12, and maximum has 4096 circles to be identified, and can meet the demand to stake hole depth information gathering record;
The present invention in use, first calculates mould by the output of encoder 8 through socket and the theoretical value being arranged in housingPiece 4 is connected, as shown in Figure 2, and the encoded device adapter sleeve 10 of encoder 8 and hold out against screw 9 and be fixed on winch cablePulley output shaft on, wherein winch cable is provided with and assists steel wire rope to the pulley mechanism extending in well, the present invention will be manyCircle encoder is connected with the output shaft of pulley through gang socket, obtains steel wire rope by the rotation number of turns that records pulley output shaftDisplacement size, and be that keyboard is inputted and in this work progress, noted the every punching of grey pump by being fixed on the input module 5 of hull outsideAfter the every circle degree of depth of pulley of the every circle umber of pulse of pulley of discharge capacity, device, orifice diameter, device, start piling work, piling processIn, stake hole depth h that theoretical value computing module 4 gathers according to encoder 8, note grey umber of pulse and calculate annular space volume, theoryStrokes per minute, specific formula for calculation is as follows:
Filling concrete requirement V2==πr2h，
In formula: r is the radius (rice) of drill bit or drilling tool, h is stake hole depth (rice), and this need note grey strokes per minute m=stake stake holeHole required note ash amount V ÷ notes the every volume v that rushes of grey pump.
And the real-time working strokes per minute that construction value record module records the grey pump of note is specially an electromagnetic sensor simultaneouslyBe installed on the correct position of the grey pump rod of note, be used for detecting the work times t of the each piston of the grey pump of note, pass through cylinder by special-purpose softwareCover diameter and stroke counter calculate pump delivery, by single board computer recording and analyses work times t and actual pump output V3, pass through channel radioLetter module is uploaded to the host computer computer of comparing of realization theory value and practice of construction value (for), wherein notes the every punching of grey pumpVolume is as shown in the formula calculating:
Actual pump output V3=v·t＝πr2h·t=M3/stk，
In formula: v is cylinder sleeve volume, r is cylinder sleeve radius (rice), and h is cylinder sleeve length (rice), and M3/stk is cubic meter/punching;Note grey infusion ash total measurement (volume) (cubic meter)=the note every volume v × strokes per minute t that rushes of grey pump.
The running parameter of the serial ports output double-shaft tilt angle sensor adopting in the present invention is as follows:
Supply voltage: show regulation voltage 9-36V, operating current: non-loaded 30mA, operating temperature :-40+85DEG C, storing temperature :-55+125 DEG C, product performance index: measurement category: ± 15 °, measure axle: X-Y, zero temperatureDrift :-25～85 ° ± 0.008 °/DEG C, sensitivity error: 25 DEG C ± 0.5%, frequency response: DCresponse20Hz, resolution bandwidth: 5Hz0.01 °, precision (room temperature: 0.05 °, interleave sensitivity: maximum 3%, impact: 20000g,0.5ms, 3 times/axle. In use this installation of sensors is measured to the levelness of a machine at the correct position of stake machine, at softwareThe upper angle of inclination that shows stake machine, adjusts the perpendicularity of a machine by demonstrations, the omnidistance record of data of adjustment process, in guaranteeAlso ensured pile quality when the perpendicularity data trackability of stake.
A ram machine construction monitoring method for ram machine construction monitoring device, is characterized in that comprising the following steps:
Step 1: stake machine levelness is detected, whether stake mechanomotive force head is arrived and hold stratum and judge, when stake machineLevelness meets standard and a stake mechanomotive force head and reaches after holding stratum and continue next step, otherwise carries out a machine levelness, stake mechanomotive forceRelevant parameter adjustment,
Step 2: after piling starts, the encoder Real-time Collection in theoretical value logging modle also records turning of pulley output shaftMoving-coil number, and Information Monitoring is sent into theoretical value computing module, theoretical value computing module is according to pulley output shaft rotation number of turns meterCalculate the real-time deep in a hole and calculate an orifice ring void volume V in conjunction with borehole diameter1Then draw the theoretical concrete filling in a holeNote requirement V2, meanwhile, the work times of grey pump piston is noted in the electromagnetic sensor collection in construction value record moduleT, and data are sent in computing module in conjunction with the actual pump output V of the grey pump gain of parameter of note3，
Step 3: theoretical value computing module is by the theoretical filling concrete requirement V obtaining2Send into comparison module, construction value noteRecord module through wireless communication module by actual pump output V3Send into comparison module, comparison module is V relatively2With V3, obtain difference B, thisTime comparison module difference B and the threshold value C setting are in advance compared, in the time of B > C, judge operation irregularity, by with comparison mouldThe alarm module that piece is connected outwards sends alarm signal, and result is exported through display module, and in the time of B≤C, judgement work justOften, comparison module is by the coupled outside Output rusults of display module.
Detection to stake machine levelness in step 1 of the present invention, comprise by stake machine levelness detection module, be provided withThe serial ports output double-shaft tilt angle sensor Real-time Collection obliquity information that stake machine is connected is also sent into data processing module, with stringThe data processing module that the output of mouth output double-shaft tilt angle sensor is connected is processed this information, and result is sent respectivelyEnter memory module and preserve, send into display module and show, the real-time inclination angle ginseng that workmen shows by display moduleNumber, can get information about and judge the levelness of a machine, and then reach the object of timely adjustment vertical degree of the peg hole, workmenThe historical data that can also recall in memory module is carried out reference.
In step 1 of the present invention to stake mechanomotive force head whether arrive hold stratum judge according to the electric current of stake mechanomotive force head withExert pressure and be directly proportional, and the soft durometer on stratum is directly proportional to pressure, electric current, the pressure that therefore ought be added on stratum increases, movingPower head current also increases, but now there is no drilling depth, can judge to have reached and hold stratum, comprises following content while specifically enforcement:Hold stratum and arrive the electric current I of the current collection circuit Real-time Collection stake mechanomotive force head in judge module, and the data of collection are sentEnter data processing module, the tension force/pulling force sensor being connected with stake machine winch cable gathers the stressed F of steel wire rope, and willThe data that gather are sent into data processing module, and output processing module judges whether I value reaches maximum, when I value reaches maximum, and FFor minimum of a value does not have drilling depth, judgement arrives holds stratum.
Compared with prior art, in piling process, workmen can be according to the dynamic data on watch-dog in the present invention, withTime grasp note ash amount, be convenient to pile quality to control, can realize the Real-Time Monitoring to ram machine construction, effectively improve a stake machineConstruction quality and operating efficiency, have rational in infrastructure, easy and simple to handle, monitor the advantage significantly such as accurate.
Claims (3)
1. a ram machine construction monitoring method for ram machine construction monitoring device, is characterized in that ram machine construction monitoring device comprises useIn the construction value record module of the grey pump real work parameter of record note, mixed in real time for calculate a hole according to stake hole real-time deepThe theoretical value logging modle of solidifying native requirement and the strokes per minute of the grey pump real-time working of note, respectively with theoretical value logging modle, construction value recordThe comparison module for receiving construction value and theoretical value and the two being compared that module is connected, and with comparison module phaseThe display module connecting, described theoretical value logging modle comprises the encoder being connected through socket with winch top sheave output shaft,The theoretical value computing module being connected with the output of encoder, the input mould being connected with the input of theoretical value computing modulePiece, is also provided with the memory module being connected with comparison module output;
Described construction value record module, comprises the induction sensing for detection of the work times of the each piston of the grey pump of noteDevice, be connected with the output of electromagnetic sensor for calculate the meter of pump delivery in conjunction with cylinder sleeve diameter and stroke counterCalculate module, and be connected with computing module for the pistons work number of times of record and total displacement being uploaded to comparison moduleWireless communication module, the output of wireless communication module is connected with the signal input part of comparison module;
Also be provided with the alarm module being connected with comparison module;
Also be provided with a machine levelness detection module, stake machine levelness detection module is provided with the serial ports output twin shaft being connected with stake machineObliquity sensor, with the data processing module that the output of serial ports output double-shaft tilt angle sensor is connected, data processing moduleOutput be connected with memory module, display module respectively;
Also be provided with and hold stratum arrival judge module, hold in stratum arrival judge module and be provided with the electric current for collecting pile mechanomotive force headCurrent collection circuit, for the tension force/pulling force sensor of collecting pile machine winch cable stress data, tension force/pull sensingThe signal output part of device and current collection circuit is connected with data processing module respectively, and the output of data processing module respectivelyBe connected with memory module, display module;
Comprise the following steps:
Step 1: stake machine levelness is detected, whether stake mechanomotive force head is arrived and hold stratum and judge, when stake machine levelDegree meets standard and a stake mechanomotive force head and reaches after holding stratum and continue next step, otherwise carries out a machine levelness, a stake mechanomotive force phaseThe parameter adjustment of closing,
Step 2: after piling starts, the encoder Real-time Collection in theoretical value logging modle also records the turning collar of pulley output shaftNumber, and Information Monitoring is sent into theoretical value computing module, theoretical value computing module calculates according to the pulley output shaft rotation number of turnsThe real-time deep in stake hole also calculates an orifice ring void volume V in conjunction with borehole diameter1Then show that the theoretical filling concrete in a hole needsAmount V2, meanwhile, the work times t of grey pump piston is noted in the electromagnetic sensor collection in construction value record module, andData are sent in computing module in conjunction with the actual pump output V of the grey pump gain of parameter of note3，
Step 3: theoretical value computing module is by the theoretical filling concrete requirement V obtaining2Send into comparison module, construction value record mouldPiece through wireless communication module by actual pump output V3Send into comparison module, comparison module is V relatively2With V3, obtain difference B, now thanCompared with module, difference B and the threshold value C setting are in advance compared, in the time of B > C, judge operation irregularity, by with comparison module phaseThe alarm module connecting outwards sends alarm signal, and result is exported through display module, in the time of B≤C, judge working properly,Comparison module is by the coupled outside Output rusults of display module.
2. ram machine construction monitoring method according to claim 1, is characterized in that the inspection to stake machine levelness in step 1Survey, comprise that the serial ports being connected with the stake machine output double-shaft tilt angle sensor by being provided with in stake machine levelness detection module is real-timeGather obliquity information and sent into data processing module, the number being connected with the output of serial ports output double-shaft tilt angle sensorProcess this information according to processing module, and result is sent into respectively to memory module and preserve, send into display module and showShow, the real-time dip angle parameter that workmen shows by display module, can get information about and judge the levelness of a machine, entersAnd reaching the object of timely adjustment, the historical data that workmen can also recall in memory module is carried out reference.
3. ram machine construction monitoring method according to claim 1, is characterized in that in step 1, whether stake mechanomotive force head being arrivedReach and hold stratum and judge according to the electric current of stake mechanomotive force head and be directly proportional to exerting pressure, and the soft durometer on stratum and pressure, electricityStream is directly proportional, and the pressure that therefore ought be added on stratum increases, and unit head electric current also increases, but now there is no drilling depth, can judgeReach and held stratum, while specifically enforcement, comprised following content: holding stratum, to arrive current collection circuit in judge module real-timeThe electric current I of collecting pile mechanomotive force head, and the data of collection are sent into data processing module, be connected with stake machine winch cableTension force/pulling force sensor gathers the stressed F of steel wire rope, and the data of collection are sent into data processing module, output processing moduleJudge whether I value reaches maximum, when I value reaches maximum, and F be minimum of a value do not have drilling depth, stratum is held in judgement arrival.
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| CN108130906A (en) * | 2018-02-23 | 2018-06-08 | 长安大学 | A kind of CFG ram machine constructions parameter monitoring system and monitoring method |
| CN108644102A (en) * | 2018-07-25 | 2018-10-12 | 南京天辰礼达电子科技有限公司 | Mixed mud conveys pump machine flow monitoring system |
| CN112854314A (en) * | 2019-11-27 | 2021-05-28 | 中国铁道科学研究院铁道建筑研究所 | CFG pile injection amount monitoring system based on Beidou positioning and current sensor |
| CN113585269B (en) * | 2021-09-27 | 2021-12-17 | 国能大渡河大数据服务有限公司 | Construction safety monitoring method and system for hydropower engineering |
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| "CFG桩施工参数自动记录仪及其应用";杜嘉俊等;《铁道建筑》;20090820(第7期);第93-95页第1-5节 * |
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| CN103233472A (en) | 2013-08-07 |
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