CN107503733A - High pressure jet grouting parameter monitoring system, method and high-pressure rotary-spray rig - Google Patents
High pressure jet grouting parameter monitoring system, method and high-pressure rotary-spray rig Download PDFInfo
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- CN107503733A CN107503733A CN201710969593.6A CN201710969593A CN107503733A CN 107503733 A CN107503733 A CN 107503733A CN 201710969593 A CN201710969593 A CN 201710969593A CN 107503733 A CN107503733 A CN 107503733A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000007921 spray Substances 0.000 title claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 134
- 238000005553 drilling Methods 0.000 claims abstract description 93
- 238000012545 processing Methods 0.000 claims abstract description 53
- 230000009471 action Effects 0.000 claims abstract description 8
- 239000012530 fluid Substances 0.000 claims abstract description 8
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 13
- 238000003801 milling Methods 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 4
- 241000208340 Araliaceae Species 0.000 claims description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 2
- 235000008434 ginseng Nutrition 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 27
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 239000003570 air Substances 0.000 description 22
- 238000005507 spraying Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 4
- 238000005086 pumping Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010219 correlation analysis Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
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- 239000008107 starch Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/22—Piles
- E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
- E02D5/46—Concrete or concrete-like piles cast in position ; Apparatus for making same making in situ by forcing bonding agents into gravel fillings or the soil
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
-
- 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
- E21B45/00—Measuring the drilling time or rate of penetration
-
- 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
-
- 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
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
-
- 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
- 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
- E21B47/06—Measuring temperature or pressure
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Earth Drilling (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The present invention relates to a kind of high pressure jet grouting parameter monitoring system, method and high-pressure rotary-spray rig, wherein, monitoring system includes data processing module (4), drilling parameter detection module (5) and/or grouting parameter detection module (6), drilling parameter detection module (5) is used to detect the rig action parameter during high-pressure rotary-spray rig churning, grouting parameter detection module (6) is used to detect the fluid parameter during churning, data processing module (4) is used for the testing result for receiving drilling parameter detection module (5) and/or grouting parameter detection module (6), and handled to obtain the multi-mode operation parameter of high-pressure rotary-spray rig.Such a monitoring system can obtain the key parameter during high pressure jet grouting in real time, to be easily controlled to the quality of rotary churning pile, the accuracy and efficiency to rotary churning pile quality monitoring can be improved, regulating measures can be taken during to occur abnormal in work progress in time, ensure construction quality.
Description
Technical field
The present invention relates to High-pressure Spiral Spray Technology field, more particularly to a kind of high pressure jet grouting parameter monitoring system, method
And high-pressure rotary-spray rig.
Background technology
High-pressure rotary jet grouting pile has been widely used for various foundation engineerings, if building lot, foundation pit enclosure, shield are into and out of hole
Mouth reinforcing, dyke seepage control, existing building foundation stabilization, slope reinforcement, tunnel advanced support etc..
High-pressure rotary-spray rig is the key construction equipment of high-pressure rotary jet grouting pile, with high pressure slurry pump, high-pressure hydraulic pump or air compressor machine
Coordinate and complete high pressure jet grouting construction.High pressure jet grouting technique is that the Grouting Pipe with nozzle is crept into soil layer using rig
Precalculated position after, slurries, water or air is ejected as 20~50MPa high-pressure jet from nozzle with high-tension apparatus
Come, punching, disturbance, destroy the soil body, while drilling rod is rotated with certain speed and gradually lifted, and slurries and grogs action of forced stirring are mixed
Close, after grout cures, a cylindric induration, i.e. rotary churning pile are formed in soil, consolidated subsoil or sealing antiseepage can be played
Effect.
Because rotary churning pile belongs to concealed work, there is larger difficulty in inspection of quality, therefore the pile parameter in work progress is supervised
Survey, record it is particularly important.At present, stricter antiseepage class engineering, the height being related to such as Hydraulic and Hydro-Power Engineering are required to construction quality
Pressure rotary-spraying pile driving construction, such as dykes and dams, harbour, navigation channel bank strengthening antiseepage etc., it is required to jet drill rig and is equipped with parameter monitoring system,
Ensure to monitor every job parameter in real time in work progress.Thus, in rotary-spraying construction engineering, churning parameter monitoring system
Increasingly paid attention to by user.
But domestic high-pressure rotary-spray rig is not equipped with complete parameter monitoring system at present；The country also has no producer
Specialize in the complete parameter monitoring technology of high pressure jet grouting, during rotary-spraying construction, mast angle of inclination, rotary speed,
The parameters such as lifting speed, shower nozzle depth are manually observed completely, and error is larger, and efficiency is low；Mud pressure, mud flow rate, air
The parameter front end rig personnel of the background devices such as pressure can not obtain, and can not carry out reasonable operation to rig.
The content of the invention
The purpose of the present invention is to propose to a kind of high pressure jet grouting parameter monitoring system, method and high-pressure rotary-spray rig, energy
Enough multiple parameters easily monitored during high pressure jet grouting.
According to an aspect of the invention, it is proposed that a kind of high pressure jet grouting parameter monitoring system, including：Data processing mould
Block, drilling parameter detection module and/or grouting parameter detection module, wherein, drilling parameter detection module is used to detect high pressure rotation
The rig action parameter during rig churning is sprayed, grouting parameter detection module is used to detect the fluid parameter during churning,
Data processing module is used for the testing result for receiving drilling parameter detection module and/or grouting parameter detection module, and is located
Manage to obtain the multi-mode operation parameter of high-pressure rotary-spray rig.
Further, high pressure jet grouting parameter monitoring system also includes display module, to data processing module
Each job parameter after reason is shown, and/or is exceeded in job parameter when user sets scope and sent alarm.
Further, high pressure jet grouting parameter monitoring system also includes memory module, to data processing module
Each job parameter after reason is stored.
Further, drilling parameter detection module includes drilling inclination angle detection unit, and drilling inclination angle detection unit includes setting
Obliquity sensor in the middle part of mast, for detecting drilling rod in operation process relative to the inclination angle of vertical direction.
Further, drilling parameter detection module includes lifting/fltting speed detection unit, lifting/fltting speed detection
Unit includes bracing wire linear transducer, and the main part of bracing wire linear transducer is located on mast top unit head stroke peak
Side, drawstring is fixed on power head bracket, and during for being lifted/being promoted in unit head, the displacement by measuring drawstring lifted/
Fltting speed.
Further, drilling parameter detection module includes bit depth detection unit, and bit depth detection unit includes drawing
Line length sensor and the proximity switch being correspondingly arranged respectively with clamper, unit head hold-fast body, bracing wire linear transducer
For detecting the moving displacement of unit head, data processing module can detect that unit head hold-fast body is held tightly in proximity switch and bore
In the state of bar and clamper unclamp, add up effective displacement in unit head motion process, to obtain the depth location of drill bit.
Further, under drilling condition, effective displacement that data processing module will add up in unit head progradation
Depth as drill bit；In the case where churning lifts operating mode, the drilling total depth of drill bit is subtracted unit head churning by data processing module
Depth location of the effective displacement for adding up in lifting process as drill bit.
Further, drilling parameter detection module includes drill speed detection unit, and drill speed detection unit includes connecing
Nearly switch and the speed measuring fluted disc for being removably nested in unit head rotation portion, proximity switch can detect speed measuring fluted disc rotation
The number of teeth obtains drill speed.
Further, drilling parameter detection module includes propelling pressure sensor, enters oil return line for detecting propulsion motor
Pressure.
Further, drilling parameter detection module includes hole milling pressure sensor, enters oil return line for detecting rotary motor
Pressure.
Further, grouting parameter detection module includes mud pressure sensor, enters for detecting churning current divider mud
Pressure at mouthful；
Grouting parameter detection module includes water pressure sensor, for detecting the pressure at churning current divider high-pressure water inlet
Power；And/or
Grouting parameter detection module includes air pressure probe, for detecting at churning current divider compressed air inlet
Pressure.
Further, grouting parameter detection module includes mud flow rate detection unit, and mud flow rate detection unit includes nothing
Line communication unit and slush pump proximity transducer, slush pump proximity transducer is used for the pump frequencies for detecting slush pump, and passes through
Wireless communication unit is sent to data processing module, to obtain mud flow rate indirectly；
Grouting parameter detection module includes current amount detection unit, and current amount detection unit includes wireless communication unit and set
Water pump proximity transducer, water pump proximity transducer is used for the pump frequencies for detecting water pump, and is sent to by wireless communication unit
Data processing module, to obtain water-carrying capacity indirectly；And/or
Grouting parameter detection module includes air mass flow detection unit, and air mass flow detection unit senses including air mass flow
Device, for detecting the flow at churning current divider air intake.
According to another aspect of the invention, it is proposed that a kind of high-pressure rotary-spray rig, the high-pressure rotary-spray for including above-described embodiment is noted
Starch parameter monitoring system.
In accordance with a further aspect of the present invention, a kind of high pressure jet grouting parameter monitoring method is proposed, including：
Rig action parameter during the detection high-pressure rotary-spray rig churning of drilling parameter detection module, and/or slip casting ginseng
Fluid parameter during number detection module detection churning；
Data processing module receives the testing result of drilling parameter detection module and/or grouting parameter detection module, goes forward side by side
Row is handled to obtain multi-mode operation parameter.
Further, high pressure jet grouting parameter monitoring method also includes：After display module is to data processing module processing
Each job parameter shown, and/or job parameter exceed user set scope when send alarm.
Further, high pressure jet grouting parameter monitoring method also includes：After memory module is to data processing module processing
Each job parameter stored.
Based on above-mentioned technical proposal, the high pressure jet grouting parameter monitoring system of the embodiment of the present invention, drilling can be passed through
Parameter detection module and/or grouting parameter detection module obtain the key parameter during high pressure jet grouting in real time, with side
Just the quality of rotary churning pile is controlled, observes judgement by rule of thumb without operator, can improved to rotary churning pile quality monitoring
Accuracy and efficiency, regulating measures can be taken during to occur abnormal in work progress in time, ensure construction quality, be suitable for
Strict antiseepage class engineering etc. is required to construction quality.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the module composition schematic diagram of one embodiment of high pressure jet grouting parameter monitoring system of the present invention；
Fig. 2 is the module composition schematic diagram of another embodiment of high pressure jet grouting parameter monitoring system of the present invention；
Fig. 3 is the principle schematic of high pressure jet grouting parameter monitoring system middle mast inclination angle detection of the present invention.
Embodiment
The present invention described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.So
The each side of restriction can combine with any other one side or many aspects, not can be combined unless explicitly stated otherwise.Especially,
It is considered as that preferable or favourable any feature can be considered as preferable or favourable feature group with other one or more
Close.
In the description of the invention, it is to be understood that term " length ", " width ", " height ", " on ", " under ", " left side "
The orientation or position relationship of instructions such as " right sides " are based on orientation shown in the drawings or position relationship, are for only for ease of description originally
Invention, rather than instruction or imply that signified device must have specific orientation, with specific azimuth configuration and operation, therefore
It is not intended that limiting the scope of the invention.
The term descriptions merely for convenience such as " first " that occurs in the present invention, " second ", there are same names to distinguish
Different building blocks, be not offered as successively or primary-slave relation.
During high-pressure rotary-spray drilling machine construction, every drilling parameter and grouting parameter directly affect the quality of rotary churning pile.
Such as：Shower nozzle effect of depth pile depth, injection pressure influence expanded diameter, lifting speed influences expanded diameter and pile body is strong
Degree, rotary speed, which influence expanded diameter and strength of the mixing pile, mud flow rate, influences the parameters such as strength of the mixing pile.
In order to easily detect the parameter that construction quality is influenceed during high-pressure rotary-spray drilling machine construction, the present invention provides
A kind of high pressure jet grouting parameter monitoring system, in a schematical embodiment, as shown in figure 1, the monitoring system bag
Include：Data processing module 4, drilling parameter detection module 5 and/or grouting parameter detection module 6.Wherein, drilling parameter detection mould
Block 5 is used to detect the rig action parameter during high-pressure rotary-spray rig churning, such as current bit depth, propelling pressure, hole milling
Pressure, lifting speed, rotary speed or dilling angle etc., and these parameters are sent to data processing module 4.Grouting parameter is examined
Survey module 6 to be used to detect the fluid parameter during churning, such as mud pressure, mud flow rate, water pressure, water-carrying capacity, air pressure
Power or air mass flow etc., and send these parameters to data processing module 4.Data processing module 4 can use central processing
Device, for receiving the testing result of drilling parameter detection module 5 and/or grouting parameter detection module 6, and handled to obtain
The multi-mode operation parameter of high-pressure rotary-spray rig.
The detection to high-pressure rotary-spray drilling machine construction parameter remains in the conceptual phase in the prior art, or is only capable of individually
The a certain job parameter easily measured is detected, and the monitoring system of the present invention is the electronics for high pressure jet grouting work progress
Comprehensive monitoring equipment, the multinomial key parameter in work progress can automatically real-time be detected, with easily to churning
The quality of stake is controlled, and can improve the accuracy and efficiency to rotary churning pile quality monitoring, different to occur in work progress
Chang Shike takes regulating measures in time, ensures construction quality, is suitable for requiring strict antiseepage class engineering etc. to construction quality.
Further, as shown in figure 1, the high pressure jet grouting parameter monitoring system of the present invention may also include display module 2,
For carrying out real-time display to each job parameter after the processing of data processing module 4, to allow the operator to intuitively, in real time
Construction parameter is grasped on ground, can take regulating measures in time in an abnormal situation, ensures construction quality.With reference to figure 2, display module
2 can be display, the data message that can detect data processing module 4, such as current shower nozzle depth, rotary speed, carry
The real-time displays such as lifting speed, mud pressure, air pressure, mud flow rate are to operator.More preferably, display module 2 can be built-in
Data analysis program, the construction data of detection can be presented to operator in the form of graphical, pictorialization.
In order to more obvious operator is reminded, display module 2 can also set scope according to user's initial user
Current operating state is judged, and job parameter exceed user set scope when send alarm, with remind operator and
When take safety measures.
Further, as shown in figure 1, the high pressure jet grouting parameter monitoring system of the present invention may also include input module 1,
Input module 1 includes physical button and/or dummy keyboard (touch screen), for selecting mode of operation for operator, setting each parameter
Range of safety operation, manual entry system can not detect still need to record churning information (such as the ratio of mud, cement grade,
Stake sequence number, geological conditions etc.).
Further, as shown in figure 1, the high pressure jet grouting parameter monitoring system of the present invention also includes memory module 3, use
Each job parameter after to the processing of data processing module 4 stores, memory module 3 be responsible for by the data of detection at interval of
A period of time preserves once.Memory module 3 is able to record, stored the dynamic change of parameters during rotary-spraying construction, so as to
Unit in charge of construction can carry out Correlative data analysis after engineering terminates to work progress.Preferably, display module 2 and memory module
3 may be configured as one.
With reference to figure 2, every job parameter during high-pressure rotary-spray construction can be stored in storage card by data-interface,
Correlation analysis is carried out so that data are passed in computer by operator, such as carries out failure when quality problems occurs in rotary churning pile and examines
Break.In other embodiments, if can be direct provided with fault diagnostic program data processing module 4 in data processing module 4
The testing result of parameter detection module 5 and/or grouting parameter detection module 6 is analyzed, it is online to be carried out to work progress
Malfunction monitoring, or parameter can also be transferred from memory module 3 and analyzed.
Each detection unit in drilling parameter detection module 5 and grouting parameter detection module 6 is entered below in conjunction with Fig. 2
Row describes in detail.Wherein, drilling parameter detection module 5 may include：Obliquity sensor 51, bracing wire linear transducer 52, approach and open
53, propelling pressure sensor 54 and/or hole milling pressure sensor 55 etc. are closed, grouting parameter detection module 6 may include mud pressure
Sensor 61, water pressure sensor 62, air pressure probe 63, slush pump proximity transducer 64, water pump proximity transducer 65
And/or air flow sensor 66 etc..Each detection unit can carry out option and installment according to actual functional capability demand below.
(1) inclination angle detection is crept into：
Drilling parameter detection module 5 includes drilling inclination angle detection unit, to ensure rotary churning pile with respect to the horizontal plane vertical
Degree.Drilling inclination angle detection unit includes being located at the obliquity sensor 51 in the middle part of mast, for detecting drilling rod phase in operation process
For the inclination angle of vertical direction.
Preferably, obliquity sensor 51 uses double-shaft tilt angle sensor, and the range ability per axle is ± 90 °, inclination angle sensing
Device 51 is installed in the middle part of mast, by mast perpendicular to ground when on the basis of, obliquity sensor 51 is horizontal positioned.After installing,
Inclination angle demarcation is carried out to obliquity sensor 51 using theodolite, drilling state top view of the detailed process with reference to shown in figure 3, will be cut
Face is that the left and right directions of the mast of rectangle in the horizontal plane is demarcated as X-axis, and fore-and-aft direction is demarcated as Y-axis；Then, theodolite is passed through
Calibrated, because drilling rod is movable dismountable, so being demarcated using the rotation axis of unit head, when the rotation of unit head
When shaft axis are perpendicular to ground, offset of the now unit head in X-axis and Y direction is demarcated as zero in a program, using as
The benchmark zero-bit of obliquity sensor 51.After initial position is demarcated, double-shaft tilt angle sensor can detects that unit head revolves
Shaft axis are in X-axis and the offset of Y direction.Because the rotation axis of unit head and the position of mast are relatively fixed, it becomes possible to
Mast inclination angle is measured, so as to obtain drilling inclination angle.
(2) lifting/fltting speed detection：
Drilling parameter detection module 5 may also include lifting/fltting speed detection unit, to ensure the diameter of rotary churning pile and stake
Body intensity.Lifting/fltting speed detection unit includes bracing wire linear transducer 52, and the main part of bracing wire linear transducer 52 sets up separately
Above mast top unit head stroke peak, drawstring is fixed on correct position on power head bracket.Lifted/pushed away in unit head
When entering, data processing module 4 records bracing wire linear transducer 52 difference of drawstring displacement and time difference under different conditions automatically
Value, then with displacement divided by time, with regard to lifting/fltting speed can be obtained.Bracing wire linear transducer has precision high, repeated
The advantages that good, detection reliability height, long lifespan.
(3) bit depth detects：
Drilling parameter detection module 5 includes bit depth detection unit, to ensure the depth of rotary churning pile.Bit depth detects
Unit includes bracing wire linear transducer 52 and the proximity switch 53 being correspondingly arranged respectively with clamper, unit head hold-fast body,
Bracing wire linear transducer 52 is used for the actual motion displacement for detecting unit head, and data processing module 4 can be examined in proximity switch 53
In the state of measuring unit head hold-fast body holding drilling rod and clamper release, data processing module 4 adds up unit head motion
During effective displacement, to obtain the current depth location of drill bit.Data processing module 4 can recognize that the effective of unit head
With invalid displacement, so as to remove invalid displacement, and effective displacement that adds up is to obtain bit depth position.Below by respectively to drilling
Operating mode and churning lifting operating mode illustrate.
Drilling condition：When drilling starts, when drill bit is transferred to ground, drilling depth now is determined by manual confirmation
Justice is depth zero-bit, and realization is drilling depth initialization.Proximity switch 53 detects that unit head holds drilling rod and clamper tightly every time
The forward displacement of unit head is judged as effective displacement when state is unclamps, and repeatedly effectively the cumulative of displacement is exactly the total brill of drill bit
Enter depth, i.e. bit depth.
When target drilling depth is larger needs to add bar, during bar is changed, clamp holder clamping bottom drilling rod, due to now
Elevator and drilling rod be in clamped condition, by reversely screwing unit head and it is moved upwards so that elevator release drilling rod, then
Between original drilling rod and elevator load new drilling rod, to realize plus bar, so the propulsion or lifting of unit head in the process
Displacement is defined as invalid displacement, is not counted in the total depth in drilling stage.
After mast is mounted with auxiliary (equivalent to mast is increased), more drilling rods can be installed, if drilling rod simultaneously
When length disclosure satisfy that target drilling depth demand need not add bar, when unit head is advanced into stroke bottommost, folder can be used
Drill-rod clamping is made unit head unclamp the unloaded lifting of drilling rod by holder, is clamped drilling rod again when being promoted to suitable position, is unclamped
Clamper carries out the propulsion of bigger depth.In unit head zero load lifting process, because unit head does not hold drilling rod tightly, nothing is fallen within
Displacement is imitated, is not counted in the total depth in drilling stage.
Churning lifts operating mode：After drilling is to designated depth, drill bit starts by drilling State Transferring to rotate and upgrade state,
In the process, data processing module 4 subtracts the drilling total depth of drill bit having of adding up in unit head churning lifting process
Imitate the displacement depth location current as drill bit.
With drilling process on the contrary, when drill bit is progressively lifted up needing to unload bar, clamp holder clamping bottom drilling rod, pass through
Reversely screwing unit head makes it move upwards to unload the drilling rod at such as middle part, so unit head promotes or the displacement of lifting definition
For invalid displacement, it is not counted in the total depth of improvement stage.
In the case of it need not unload bar, when unit head is promoted to stroke top, drilling rod can be pressed from both sides using clamper
Tightly, and make unit head release drilling rod and unloaded propulsion, clamp drilling rod again when being advanced into suitable position, unclamp clamper and carry out
The lifting of bigger height.In unit head zero load progradation, because unit head does not hold drilling rod tightly, invalid displacement is fallen within, no
It is included in the total depth of improvement stage.
(4) drill speed detects：
Drilling parameter detection module 5 may also include drill speed detection unit, with ensure the pile body diameter of rotary churning pile and into
Quality of pile.Drill speed detection unit includes proximity switch 53 and is removably nested in the tooth that tests the speed of unit head rotation portion
Disk, the number of teeth that proximity switch 53 can detect speed measuring fluted disc rotation obtain drill speed.Because unit head diameter is smaller, and institute
It is relatively limited in locational space, thus typically drill speed detection sensor is integrated in inside unit head in the prior art, into
This is higher, once and sensor break down and will be difficult to change.And present invention employs external speed-measuring structure, pass through setting
The individual pen number of teeth of speed measuring fluted disc can be designed as 32 by movement conversion mechanism, can reach higher accuracy of detection, and can be used for
The unit head of different size, and installed using dismountable assembled, it is easy to maintenance without welding.
(5) propelling pressure detects：
Drilling parameter detection module 5 may also include propelling pressure sensor 54, enter oil return line pressure for detecting propulsion motor
Power, to obtain the propelling pressure of unit head.
(6) hole milling pressure detecting：
Drilling parameter detection module 5 may also include hole milling pressure sensor 55, enter oil return line for detecting rotary motor
Pressure, to obtain the hole milling pressure of drill bit.
Propelling pressure and hole milling pressure belong to drill bit and are drilled down into the parameter in stage, although being not belonging to the monitoring in churning stage
Amount, but because the process being drilled down into is in order to which the churning operation to the improvement stage lays the first stone, by detect this two
Individual pressure parameter can make operator judge the soft or hard situation on following stratum in boring procedure, according to feelings in drilling process
Condition suitably makes corresponding adjustment.
(7) mud pressure detects：
Grouting parameter detection module 6 includes mud pressure sensor 61, for detecting at churning current divider mud entrance
Pressure, to ensure the diameter of rotary churning pile.
(8) high-pressure water pressure detects：
Grouting parameter detection module 6 may also include water pressure sensor 62, for detecting churning current divider high-pressure water inlet
The pressure at place, to ensure the diameter of rotary churning pile.
(9) air pressure detects：
Grouting parameter detection module 6 may also include air pressure probe 63, for detecting churning current divider compressed air
The pressure of porch, to ensure the diameter of rotary churning pile.
(10) mud flow rate detects：
Grouting parameter detection module 6 may also include mud flow rate detection unit, to ensure rotary churning pile intensity.Mud flow rate is examined
Surveying unit includes wireless communication unit 7 and slush pump proximity transducer 64, and slush pump proximity transducer 64 is used to detect slush pump
Pump frequencies, and data processing module 4 is sent to by wireless communication unit 7, to obtain the instantaneous delivery of mud indirectly.Nothing
The wireless transmitter module and be located at wireless in data processing module 4 that line communication unit 7 may include to be located in proximity transducer 64
Receiving module, for background devices data in high pressure jet grouting work progress to be sent in foreground host.
For example, slush pump is plunger pump, slush pump proximity transducer is arranged on the maximum position of plunger displacement, Neng Goujian
The number that the survey plunger unit interval moves back and forth.Because the pumping pressure of slush pump is big, flow is big and seriously polluted, by close
The mode of sensor measurement frequency can be used in the occasion of high-pressure high-flow, and will not be by the shadow of pumping fluid cleanliness
Ring, suitable for high-pressure rotary-spray different areas of activity.And in the prior art by way of flow sensor measures flow, suitable for low pressure
The occasion of low discharge, and need the cleannes for pumping fluid higher, in case flow sensor blocks.
According to plunger pump pumping theory, it is known that：
Flow=ram area × ram travel × number of plungers × pump frequencies × efficiency, the formula can use equation below
Represent：Q=S × L × N × n × η, for known high pressure slurry pump, S, L, n and η are definite value, therefore it is per minute to measure plunger
Pump times N, you can obtain slush pump flow Q per minute.Meanwhile data on flows is sent to number using wireless communication unit 7
According in processing module 4.
(11) water under high pressure flow detection：
Grouting parameter detection module 6 may also include current amount detection unit, to ensure rotary churning pile intensity.Water-carrying capacity detection is single
Member includes wireless communication unit 7 and sets water pump proximity transducer 65, and water pump proximity transducer is used for the pump frequencies for detecting water pump,
And data processing module 4 is sent to by wireless communication unit 7, to obtain the instantaneous delivery of water under high pressure indirectly, pass through water pump
The method that pump frequencies obtain water-carrying capacity refers to the method that mud flow rate is calculated in (10).
(12) air mass flow detects：
Grouting parameter detection module 6 may also include air mass flow detection unit, to ensure rotary churning pile intensity.Air mass flow is examined
Surveying unit includes air flow sensor 66, for detecting the flow at churning current divider air intake.
Secondly, present invention also offers a kind of high-pressure rotary-spray rig, including the high pressure jet grouting described in above-described embodiment
Parameter monitoring system.Such a high-pressure rotary-spray rig automatically real-time can enter in construction to rig running parameter and grouting parameter
Row detection, to be easily controlled to the quality of rotary churning pile, can improve the accuracy and efficiency to rotary churning pile quality monitoring, with
Regulating measures can be taken when just occurring abnormal in work progress in time, ensure construction quality.
Moreover, in some large projects, national standard compulsive requirement churning equipment has parameter monitoring and record
Function, detecting system of the invention can widen the high-pressure rotary-spray rig engineering scope of application.Moreover, some engineerings abroad
It is required that high-pressure rotary-spray rig is equipped with rotary jet grouting parameter monitoring system, engineering prints grouting parameter form after terminating, as applying
The proof of working medium amount, this system can help domestic jet drill rig to enter international market.
Finally, can the height based on above-described embodiment present invention also offers a kind of high pressure jet grouting parameter monitoring method
Pressure rotary-spraying grouting parameter monitoring system.In a schematical embodiment, the monitoring method includes：
Step S1, the rig action parameter during the detection of drilling parameter detection module 5 high-pressure rotary-spray rig churning, and/
Or grouting parameter detection module 6 detects the fluid parameter during churning；
Step S2, data processing module 4 receives the detection of drilling parameter detection module 5 and/or grouting parameter detection module 6
As a result, and handled to obtain the multi-mode operation parameter of high-pressure rotary-spray rig.
Further, upon step s 2, monitoring method of the invention also includes step S3：Display module 2 to data at
Each job parameter after reason module 4 is handled is shown, and/or is exceeded in job parameter when user sets scope and sent police
Report.
When needing to carry out alarm sounds in step s 2, before step S2, it may also include the steps of：By inputting mould
Block 1 selects mode of operation, the range of safety operation for setting each parameter, input system can not detect the churning letter for still needing to record
Cease (such as ratio of mud, cement grade, stake sequence number, geological conditions).
The embodiment can monitor the parameters during high pressure jet grouting in real time, allow the operator to intuitively,
Construction parameter is grasped in real time, and can make adjustment measure in time in an abnormal situation, ensure construction quality.
Further, upon step s 2, monitoring method of the invention also includes step S4：Memory module 3 to data at
Each job parameter after reason module 4 is handled is stored.Step S3 and S3 execution sequencing are unrestricted, also can be synchronous
Perform.
The embodiment is able to record, stored the dynamic change of parameters during rotary-spraying construction, so as to unit in charge of construction's energy
It is enough that Correlative data analysis is carried out to work progress after engineering terminates.
A kind of high pressure jet grouting parameter monitoring system, method and high-pressure rotary-spray rig provided by the present invention are entered above
Go and be discussed in detail.Specific embodiment used herein is set forth to the principle and embodiment of the present invention, the above
The explanation of embodiment is only intended to help the method and its core concept for understanding the present invention.It should be pointed out that for the art
Those of ordinary skill for, under the premise without departing from the principles of the invention, can also to the present invention carry out it is some improvement and repair
Decorations, these are improved and modification is also fallen into the protection domain of the claims in the present invention.
Claims (16)
- A kind of 1. high pressure jet grouting parameter monitoring system, it is characterised in that including：Data processing module (4), drilling parameter inspection Module (5) and/or grouting parameter detection module (6) are surveyed, wherein, the drilling parameter detection module (5) is used to detect high pressure rotation The rig action parameter during rig churning is sprayed, the grouting parameter detection module (6) is used to detect the stream during churning Body parameter, the data processing module (4) are used to receive the drilling parameter detection module (5) and/or grouting parameter detection mould The testing result of block (6), and handled to obtain the multi-mode operation parameter of the high-pressure rotary-spray rig.
- 2. high pressure jet grouting parameter monitoring system according to claim 1, it is characterised in that also including display module (2), shown for each job parameter after handling the data processing module (4), and/or in the job parameter Alarm is sent when scope is set more than user.
- 3. high pressure jet grouting parameter monitoring system according to claim 1, it is characterised in that also including memory module (3), for being stored to each job parameter after the data processing module (4) processing.
- 4. high pressure jet grouting parameter monitoring system according to claim 1, it is characterised in that the drilling parameter detection Module (5) includes drilling inclination angle detection unit, and the drilling inclination angle detection unit includes being located at the obliquity sensor in the middle part of mast (51), for detecting drilling rod in operation process relative to the inclination angle of vertical direction.
- 5. high pressure jet grouting parameter monitoring system according to claim 1, it is characterised in that the drilling parameter detection Module (5) includes lifting/fltting speed detection unit, and the lifting/fltting speed detection unit includes bracing wire linear transducer (52), the main part of the bracing wire linear transducer (52) is located above mast top unit head stroke peak, and drawstring is solid Due on power head bracket, during for being lifted/being promoted in unit head, lifting/propulsion is obtained by the displacement for measuring the drawstring Speed.
- 6. high pressure jet grouting parameter monitoring system according to claim 1, it is characterised in that the drilling parameter detection Module (5) includes bit depth detection unit, and the bit depth detection unit includes bracing wire linear transducer (52) and divided The proximity switch (53) not being correspondingly arranged with clamper, unit head hold-fast body, the bracing wire linear transducer (52) are used to examine The moving displacement of unit head is surveyed, the data processing module (4) can detect that unit head is held tightly in the proximity switch (53) In the state of mechanism holds drilling rod and clamper release tightly, add up effective displacement in unit head motion process, to obtain The depth location of drill bit.
- 7. high pressure jet grouting parameter monitoring system according to claim 6, it is characterised in that under drilling condition, institute State depth of the data processing module (4) using the effective displacement for adding up in unit head progradation as drill bit；Lifted in churning Under operating mode, the data processing module (4), which subtracts the drilling total depth of drill bit in unit head churning lifting process, adds up what is Effective depth location of the displacement as drill bit.
- 8. high pressure jet grouting parameter monitoring system according to claim 1, it is characterised in that the drilling parameter detection Module (5) includes drill speed detection unit, and the drill speed detection unit includes proximity switch (53) and removably embedding The speed measuring fluted disc of unit head rotation portion is enclosed on, the proximity switch (53) can detect the number of teeth that the speed measuring fluted disc rotates and come Obtain drill speed.
- 9. high pressure jet grouting parameter monitoring system according to claim 1, it is characterised in that the drilling parameter detection Module (5) includes propelling pressure sensor (54), for detecting propulsion motor oil-feed circuit pressure.
- 10. high pressure jet grouting parameter monitoring system according to claim 1, it is characterised in that the drilling parameter inspection Surveying module (5) includes hole milling pressure sensor (55), and the pressure of oil return line is entered for detecting rotary motor.
- 11. high pressure jet grouting parameter monitoring system according to claim 1, it is characterised in that the grouting parameter inspection Surveying module (6) includes mud pressure sensor (61), for detecting the pressure at churning current divider mud entrance；The grouting parameter detection module (6) includes water pressure sensor (62), for detecting churning current divider high-pressure water inlet The pressure at place；And/orThe grouting parameter detection module (6) includes air pressure probe (63), for detecting churning current divider compressed air The pressure of porch.
- 12. high pressure jet grouting parameter monitoring system according to claim 1, it is characterised in that the grouting parameter inspection Surveying module (6) includes mud flow rate detection unit, and the mud flow rate detection unit includes wireless communication unit (7) and slush pump Proximity transducer, the slush pump proximity transducer (64) is used for the pump frequencies for detecting slush pump, and passes through the channel radio Letter unit (7) is sent to the data processing module (4), to obtain mud flow rate indirectly；The grouting parameter detection module (6) includes current amount detection unit, and the current amount detection unit includes radio communication Unit (7) and water pump proximity transducer (65) is set, the water pump proximity transducer is used for the pump frequencies for detecting water pump, and passes through The wireless communication unit (7) is sent to the data processing module (4), to obtain water-carrying capacity indirectly；And/orThe grouting parameter detection module (6) includes air mass flow detection unit, and the air mass flow detection unit includes air Flow sensor (66), for detecting the flow at churning current divider air intake.
- 13. a kind of high-pressure rotary-spray rig, it is characterised in that including any described high pressure jet grouting ginseng of claim 1~12 Number monitoring system.
- A kind of 14. high pressure jet grouting parameter monitoring method, it is characterised in that including：Rig action parameter during drilling parameter detection module (5) detection high-pressure rotary-spray rig churning, and/or grouting parameter Fluid parameter during detection module (6) detection churning；Data processing module (4) receives the detection of the drilling parameter detection module (5) and/or grouting parameter detection module (6) As a result, and handled to obtain multi-mode operation parameter.
- 15. high pressure jet grouting parameter monitoring method according to claim 14, it is characterised in that also include：Show mould Block (2) is shown to each job parameter after the data processing module (4) processing, and/or is surpassed in the job parameter Cross when user sets scope and send alarm.
- 16. high pressure jet grouting parameter monitoring method according to claim 14, it is characterised in that also include：Store mould Block (3) stores to each job parameter after the data processing module (4) processing.
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| CN116658068A (en) * | 2023-06-06 | 2023-08-29 | 江苏省送变电有限公司 | High-pressure rotary jet drilling machine adaptive to stratum and construction method thereof |
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Effective date of registration: 20220712 Address after: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee after: Jiangsu XCMG Guozhong Laboratory Technology Co.,Ltd. Address before: 221004 26 Tuo Lan Shan Road, Xuzhou economic and Technological Development Zone, Jiangsu Patentee before: XCMG CONSTRUCTION MACHINERY Co.,Ltd. |