CN111364438A - Intelligent monitoring pile machine for vibrating immersed tube - Google Patents
Intelligent monitoring pile machine for vibrating immersed tube Download PDFInfo
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- CN111364438A CN111364438A CN202010172261.7A CN202010172261A CN111364438A CN 111364438 A CN111364438 A CN 111364438A CN 202010172261 A CN202010172261 A CN 202010172261A CN 111364438 A CN111364438 A CN 111364438A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000012806 monitoring device Methods 0.000 claims abstract description 9
- 239000002689 soil Substances 0.000 claims description 29
- 230000035515 penetration Effects 0.000 claims description 20
- 238000004364 calculation method Methods 0.000 claims description 11
- 230000005284 excitation Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000003993 interaction Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 102100026933 Myelin-associated neurite-outgrowth inhibitor Human genes 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/18—Placing by vibrating
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/06—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers for observation while placing
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/02—Improving by compacting
- E02D3/08—Improving by compacting by inserting stones or lost bodies, e.g. compaction piles
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/02—Determining slope or direction
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/04—Measuring depth or liquid level
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/10—Miscellaneous comprising sensor means
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- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
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- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Agronomy & Crop Science (AREA)
- Soil Sciences (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Abstract
The invention discloses an intelligent monitoring pile machine for vibrating immersed tube. The method comprises the following steps: the pile driver comprises a pile driver mast which is vertically arranged, a vibrating machine head which is supported by the pile driver mast and can move up and down, and a pile driver system which is composed of a drill rod driven by the vibrating machine head; the system further comprises a monitoring device, wherein the monitoring device comprises a drill rod depth detection device, a drill rod inclination detection device, a pile machine system detection device and a system host. The pile driver is provided with a monitoring device with each functional module, particularly an embedded computer technology is adopted, software and hardware can be cut, a current popular Android system is adopted, smooth graphical display is realized, better human-computer interaction experience can be obtained, direct observation of tarnish data values is abandoned, and the data are directly generated into a spreadsheet and can be filed and analyzed in the future; the monitoring device can realize automatic measurement and graphical display, and the operation can realize convenient adjustment operation through a human-computer system.
Description
Technical Field
The invention belongs to the technical field of design and manufacture of construction machinery, particularly belongs to the technical field of design of pile drivers for buildings, and particularly relates to an intelligent monitoring pile driver for vibrating immersed tubes.
Background
In the existing construction, a vibration immersed tube gravel pile machine is often applied to the foundation treatment of municipal and bridge engineering for soft foundation treatment. Pile machine construction is also very common as a common machine for stratum treatment.
The traditional pile machine construction, especially the vibration immersed tube gravel pile machine, only has a simple electric protection control unit, the current display adopts a pointer meter, the piling depth adopts naked eye observation to draw scales on a mast, the verticality is also measured by a horizontal ruler, and the square amount of gravel, the pile number and the like adopt manual field recording. Therefore, the manual recording efficiency is low, and errors are easy to occur. With the advent of the information and digital age, the information and digital of the traditional mechanical system also come with new development and challenge.
In the prior art, pile machine control application adopting an information intelligent control system is also available, but aiming at the application of the whole pile machine construction process, a monitoring system capable of timely and automatically obtaining information such as pile driving depth, verticality, stone breaking amount and the like needs further research and design.
Disclosure of Invention
The invention discloses an intelligent monitoring pile machine for vibrating immersed tube according to the defects of the prior art. The invention aims to solve the problem of providing a vibration immersed tube gravel pile machine which converts external physical quantity of a pile machine system into digital quantity through a sensor, sends the digital quantity to a system platform through a communication protocol of software and hardware, visually displays the digital quantity through a graphical interface, and estimates the physical quantity which cannot be directly measured by a method of establishing a mathematical model through known quantity to realize intelligent monitoring.
The invention is realized by the following technical scheme:
a intelligent monitoring stake machine for vibrating immersed tube includes: the pile driver comprises a pile driver mast which is vertically arranged, a vibrating machine head which is supported by the pile driver mast and can move up and down, and a pile driver system which is composed of a drill rod driven by the vibrating machine head; the method is characterized in that: the monitoring device comprises a drill rod depth detection device, a drill rod inclination detection device, a pile machine system detection device and a system host;
the device comprises a drill rod depth detection device, a positioning device and a control device, wherein the drill rod depth detection device comprises a laser ranging sensor arranged on an installation platform at the upper end of a mast of the pile machine; the laser ranging device is used for measuring position information between the drill bit and the laser ranging sensor in real time on the vibrating machine head through laser beam irradiation and transmitting the position information to the system host;
the drill rod inclination detection device is composed of an inclination angle sensor arranged on the vibrating machine head, and is used for detecting inclination angles in the X-axis direction and the Y-axis direction of the drill rod in the direction vertical to the ground and transmitting the inclination angles to the system host;
stake machine system detection device, stake machine system detection device includes: the current detection module is used for acquiring the instant current information of the driving motor of the vibrating machine head, and the vibration detection module is used for acquiring the vibration amplitude, the vibration exciting frequency, the eccentric moment and the vibration power of a vibration exciter of the vibrating machine head; the current detection module is used for obtaining instant current information of the driving motor and converting the instant current information into the current holding force strength of the drill bit through the control calculation module, and the vibration detection module is used for obtaining vibration exciter amplitude, vibration excitation frequency, eccentric moment and vibration power and obtaining an actual soil layer strength confidence interval value and a randomly distributed fitting graph through the control calculation module;
the system host comprises a control calculation module, is connected with each device in a control mode and realizes human-computer interface operation and information display.
The method for obtaining the vibration exciter amplitude, the excitation frequency, the eccentric moment and the vibration power and obtaining the actual soil layer strength confidence interval value and the randomly distributed fitting graph is realized by the following steps:
obtaining parameters of the vibration pile driver, comprising: vibration exciter amplitude A, vibration exciting frequency W, eccentric moment Me and vibration power W;
according to the measured parameters, acquiring a soil layer penetration value, comprising:
establishing a calculation model: a ═ 10 (W ═ 10)7*4Q+1)/(Qw2)≥N/12.5+3；
Wherein N is a soil layer penetration value, Q is the weight of a vibrating pile hammer and the weight of a pile, A is the vibration amplitude of a vibration exciter, W is the vibration excitation frequency, and W is the vibration power;
obtaining the value of a soil layer penetration value N: and fitting the graphs randomly according to the standard penetration value N0 and the soil layer penetration value N parameter range obtained by the formula.
The human-computer interface operation and information display of the system host computer comprise: the method comprises the steps of displaying the depth of a drill rod, displaying the verticality of the drill rod, displaying the total current and the current of a vibrating head, setting functions, holding strength of a drill bit, soil layer penetration value parameters and random distribution fitting graph display of the soil layer penetration value parameters.
The hardware functional module of the system host consists of a plurality of main components such as an in-frame serial port server, an embedded computer mainboard, a display touch screen and the like and other accessories such as a power supply, terminals and the like.
The functions of the system of the invention comprise: the sensors convert physical quantities into communication data, the data sets of the 4 sensors are uploaded to system software through a middle-layer serial server, and the application software collects network data of different ports by using a socket layer provided by an Andriod system and then distributes the collected network data to each interface for visual display through an inlet program Mani Activity of the Andriod system. The main functional module of the software system consists of current, depth, angle, soil layer strength and setting parts.
The pile machine has the following functions:
f1, measuring the penetration depth of the drill rod by using a laser ranging sensor instead of manually observing scales, and calculating the amount of the gravel penetrated into the pile;
f2, measuring the verticality of the drill rod by using a wireless inclination angle sensor instead of manually using the reading of a horizontal ruler, and directly calculating and converting the inclination angle into percentage;
f3, replacing a pointer ammeter without a communication function by the current of the drill motor through a mutual inductor and a digital ammeter; meanwhile, the current signal collected by the digital ammeter is sent to a system platform.
F4, estimating the holding strength of the current drill bit through the current value and the characteristic parameters of the model of the pile driver;
f5, automatically judging the finishing state of a pile according to the highest point when the pile is lifted, automatically numbering the pile numbers, drawing a table by taking the pile numbers as the sequence and the main data of pile forming time, pile depth, filling amount, vertical percentage and the like of each pile, and outputting the table.
Compared with the prior art, the method has the beneficial effects that: the pile driver is provided with a monitoring device with each functional module, particularly adopts an embedded computer technology, adopts a scheme that software and hardware can be cut, adopts a current popular Android system, realizes smooth graphical display, can obtain better human-computer interaction experience, abandons the process of directly observing tarnish data values, directly generates data into a spreadsheet and can be filed and analyzed in the future. The invention saves manpower, automatically records, automatically generates the table and can be exported through the network; the monitoring device can realize automatic measurement and graphical display, and the operation can realize convenient adjustment operation through a human-computer system.
Drawings
FIG. 1 is a schematic view of the apparatus of the present invention;
FIG. 2 is a diagram of the hardware functional modules of the present invention;
FIG. 3 is a software functional module diagram of the present invention.
In the figure, 1 is a system host, 2 is a laser ranging sensor cable, 3 is a pile machine mast, 4 is a laser ranging sensor, 5 is a mounting platform, 6 is a laser ranging sensor beam, 7 is an inclination angle sensor, 8 is a vibrating machine head, 9 is a gravel hopper, and 10 is a drill rod.
Detailed Description
The present invention is further described below in conjunction with the following detailed description, which is intended to further illustrate the principles of the invention and is not intended to limit the invention in any way, but is equivalent or analogous to the present invention without departing from its scope.
With reference to the attached drawings.
As shown in fig. 1, the intelligent monitoring pile machine for vibrating immersed tube includes: the pile driver comprises a pile driver mast 3 which is vertically arranged, a vibration machine head 8 which is supported by the pile driver mast 3 and can move up and down, and a drill rod 10 which is driven by the vibration machine head 8; the monitoring device comprises a drill rod depth detection device, a drill rod inclination detection device, a pile machine system detection device and a system host 1;
the device comprises a drill rod depth detection device, a control device and a control device, wherein the drill rod depth detection device comprises a laser ranging sensor 4 arranged on a mounting platform 5 at the upper end of a mast 3 of the pile machine; the system is used for measuring the position information between the drill bit and the laser ranging sensor in real time on the vibrating machine head 8 through laser beam irradiation and transmitting the position information to the system host 1;
the drill rod inclination detection device is composed of an inclination angle sensor 7 arranged on a vibration machine head 8, and is used for detecting inclination angles in the X-axis direction and the Y-axis direction of the drill rod 10 in the direction vertical to the ground and transmitting the inclination angles to the system host 1;
stake machine system detection device, stake machine system detection device includes: the current detection module is used for obtaining the instant current information of the driving motor of the vibrating machine head 8 and the vibration detection module is used for obtaining the vibration amplitude, the vibration exciting frequency, the eccentric moment and the vibration power of the vibration exciter of the vibrating machine head 8; the current detection module is used for obtaining instant current information of the driving motor and converting the instant current information into the current holding force strength of the drill bit through the control calculation module, and the vibration detection module is used for obtaining vibration exciter amplitude, vibration excitation frequency, eccentric moment and vibration power and obtaining an actual soil layer strength confidence interval value and a randomly distributed fitting graph through the control calculation module;
the system host 1 comprises a control calculation module, and the system host 1 is connected with each device in a control mode and realizes human-computer interface operation and information display.
The invention obtains the vibration exciter amplitude, the vibration exciting frequency, the eccentric moment and the vibration power and obtains the actual soil layer strength confidence interval value and the random distribution fitting graph by the following method:
1. obtaining parameters of the vibration pile driver:
1) vibration exciter amplitude A;
2) excitation frequency w;
3) the eccentric moment Me;
4) the vibration power W;
5) n is the current soil filling value;
6) n0 is a standard value of the irrigation amount;
2. model design: and estimating the penetration value of the soil according to the parameters measured by the pile machine, thereby obtaining the current soil layer strength.
3. Establishing a model: a is more than or equal to N/12.5+3, wherein N is the current penetration value of the soil;
me QA, where Q is the vibratory pile weight and the weight of the pile;
w ═ ((Me2W2-1)/(4Q)) × 10-7), empirical formula in actual application;
4. solving the model:
A＝(W*107*4Q+1)/(Qw2)≥N/12.5+3；
a value interval of N;
TABLE 1 Standard value of soil penetration
5. Soil layer strength value:
and obtaining the bearing capacity of the soil layer according to the standard penetration value N0 and the N solution value in the step 4.
6. And (3) estimating a soil layer strength confidence interval:
and (5) obtaining the confidence interval value of the actual soil layer strength according to the steps 4 and 5, and randomly distributing the fitting graph.
For a certain vibration immersed tube stone crusher, an amplitude value and an eccentric moment value of the vibration immersed tube stone crusher are determined to be within a certain small range at the beginning of the design and delivery of the vibration immersed tube stone crusher, the power of a vibration head also depends on the current value (voltage is constant), namely, the power only depends on the current vibration exciting frequency and current, the frequency depends on the rotating speed of a motor, and the rotating speed is generally constant within the rated power range of the motor.
The system host 1 is a hardware functional module schematic diagram shown in fig. 2, and is composed of several main components such as an in-frame serial server, an embedded computer motherboard, a display touch screen, and other accessories such as a power supply and terminals.
The functional target of the system is completed by a software part to form a module schematic diagram, as shown in fig. 3, a single arrow line represents a main data flow direction, a sensor converts a physical quantity into communication data, a data set of 4 sensors is uploaded to system software through a middle-layer serial server, application software collects network data of different ports by using a socket layer provided by an android system, and then the network data are distributed to each interface for visual display through an entrance program Mani activity of the android system. The software system is the core for realizing the target functionality of the equipment, and the main functional modules comprise current, depth, angle, soil layer strength and setting.
The device of the invention can realize the following functions:
f1, measuring the penetration depth of the drill rod by using a laser ranging sensor instead of manually observing scales, and calculating the amount of the gravel penetrated into the pile;
f2, measuring the verticality of the drill rod by using a wireless inclination angle sensor instead of manually using the reading of a horizontal ruler, and directly calculating and converting the inclination angle into percentage;
f3, replacing a pointer ammeter without a communication function by the current of the drill motor through a mutual inductor and a digital ammeter; meanwhile, the current signal collected by the digital ammeter is sent to a system platform.
F4, estimating the holding strength of the current drill bit through the current value and the characteristic parameters of the model of the pile driver;
f5, automatically judging the finishing state of a pile according to the highest point when the pile is lifted, automatically numbering the pile numbers, drawing a table by taking the pile numbers as the sequence and the main data of pile forming time, pile depth, filling amount, vertical percentage and the like of each pile, and outputting the table.
Claims (3)
1. An intelligent monitoring pile machine for vibrating immersed tube, comprising: the pile driver comprises a pile driver mast which is vertically arranged, a vibrating machine head which is supported by the pile driver mast and can move up and down, and a pile driver system which is composed of a drill rod driven by the vibrating machine head; the method is characterized in that: the monitoring device comprises a drill rod depth detection device, a drill rod inclination detection device, a pile machine system detection device and a system host;
the device comprises a drill rod depth detection device, a positioning device and a control device, wherein the drill rod depth detection device comprises a laser ranging sensor arranged on an installation platform at the upper end of a mast of the pile machine; the laser ranging device is used for measuring position information between the drill bit and the laser ranging sensor in real time on the vibrating machine head through laser beam irradiation and transmitting the position information to the system host;
the drill rod inclination detection device is composed of an inclination angle sensor arranged on the vibrating machine head, and is used for detecting inclination angles in the X-axis direction and the Y-axis direction of the drill rod in the direction vertical to the ground and transmitting the inclination angles to the system host;
stake machine system detection device, stake machine system detection device includes: the current detection module is used for acquiring the instant current information of the driving motor of the vibrating machine head, and the vibration detection module is used for acquiring the vibration amplitude, the vibration exciting frequency, the eccentric moment and the vibration power of a vibration exciter of the vibrating machine head; the current detection module is used for obtaining instant current information of the driving motor and converting the instant current information into the current holding force strength of the drill bit through the control calculation module, and the vibration detection module is used for obtaining vibration exciter amplitude, vibration excitation frequency, eccentric moment and vibration power and obtaining an actual soil layer strength confidence interval value and a randomly distributed fitting graph through the control calculation module;
the system host comprises a control calculation module, is connected with each device in a control mode and realizes human-computer interface operation and information display.
2. The intelligent monitoring pile machine for vibrating immersed tube according to claim 1, characterized in that: the method for obtaining the vibration exciter amplitude, the vibration exciting frequency, the eccentric moment and the vibration power and obtaining the actual soil layer strength confidence interval value and the randomly distributed fitting graph is realized by the following steps:
obtaining parameters of the vibration pile driver, comprising: vibration exciter amplitude A, vibration exciting frequency W, eccentric moment Me and vibration power W;
according to the measured parameters, acquiring a soil layer penetration value, comprising:
establishing a calculation model: a ═ 10 (W ═ 10)7*4Q+1)/(Qw2)≥N/12.5+3；
Wherein N is a soil layer penetration value, Q is the weight of a vibrating pile hammer and the weight of a pile, A is the vibration amplitude of a vibration exciter, W is the vibration excitation frequency, and W is the vibration power;
obtaining the value of a soil layer penetration value N: and fitting the graphs randomly according to the standard penetration value N0 and the soil layer penetration value N parameter range obtained by the formula.
3. The intelligent monitoring pile machine for vibrating immersed tube according to claim 1, characterized in that: the human-computer interface operation and information display of the system host computer comprise: the method comprises the steps of displaying the depth of a drill rod, displaying the verticality of the drill rod, displaying the total current and the current of a vibrating head, setting functions, holding strength of a drill bit, soil layer penetration value parameters and random distribution fitting graph display of the soil layer penetration value parameters.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653042A (en) * | 2021-09-01 | 2021-11-16 | 温州瓯宏智能科技有限公司 | Intelligent comprehensive monitoring system for deep mixing pile |
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| JP2008297738A (en) * | 2007-05-30 | 2008-12-11 | Sakura Kogyo:Kk | Driving equipment |
| CN203373746U (en) * | 2013-06-19 | 2014-01-01 | 深圳市工勘岩土工程有限公司 | Crawler-type vibration immersed tube piling machine |
| CN104567809A (en) * | 2014-12-31 | 2015-04-29 | 上海建工集团股份有限公司 | Device and method for measuring inclined angle of inclined PHC (pre-stressed high-strength concrete) pipe pile |
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2020
- 2020-03-12 CN CN202010172261.7A patent/CN111364438A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87104307A (en) * | 1986-05-16 | 1988-01-20 | 全苏运输工程科学研究院 | The pile sinking control appliance of vibratory piling machine |
| JP2008297738A (en) * | 2007-05-30 | 2008-12-11 | Sakura Kogyo:Kk | Driving equipment |
| CN203373746U (en) * | 2013-06-19 | 2014-01-01 | 深圳市工勘岩土工程有限公司 | Crawler-type vibration immersed tube piling machine |
| CN104567809A (en) * | 2014-12-31 | 2015-04-29 | 上海建工集团股份有限公司 | Device and method for measuring inclined angle of inclined PHC (pre-stressed high-strength concrete) pipe pile |
Non-Patent Citations (2)
| Title |
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| 胡同银等: "浅析振动沉管碎石桩机智能监控系统的研究与应用", 《中国化工贸易》 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113653042A (en) * | 2021-09-01 | 2021-11-16 | 温州瓯宏智能科技有限公司 | Intelligent comprehensive monitoring system for deep mixing pile |
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