CN113073652A - Omnibearing high-pressure injection grouting equipment based on Internet of things and construction method thereof - Google Patents
Omnibearing high-pressure injection grouting equipment based on Internet of things and construction method thereof Download PDFInfo
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- CN113073652A CN113073652A CN202110346575.9A CN202110346575A CN113073652A CN 113073652 A CN113073652 A CN 113073652A CN 202110346575 A CN202110346575 A CN 202110346575A CN 113073652 A CN113073652 A CN 113073652A
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- 238000010276 construction Methods 0.000 title claims abstract description 116
- 238000002347 injection Methods 0.000 title claims description 29
- 239000007924 injection Substances 0.000 title claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000005553 drilling Methods 0.000 claims abstract description 39
- 238000005507 spraying Methods 0.000 claims abstract description 36
- 238000005086 pumping Methods 0.000 claims abstract description 33
- 238000012544 monitoring process Methods 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000002689 soil Substances 0.000 claims abstract description 23
- 238000002360 preparation method Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 18
- 238000005520 cutting process Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000002787 reinforcement Effects 0.000 claims abstract description 13
- 239000004568 cement Substances 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 239000002002 slurry Substances 0.000 claims description 99
- 239000007788 liquid Substances 0.000 claims description 42
- 239000007789 gas Substances 0.000 claims description 24
- 239000007921 spray Substances 0.000 claims description 20
- 239000010802 sludge Substances 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 10
- 238000012795 verification Methods 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000011435 rock Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 3
- 239000011440 grout Substances 0.000 abstract 2
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- 238000011105 stabilization 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
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D1/00—Investigation of foundation soil in situ
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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
- E02D3/12—Consolidating by placing solidifying or pore-filling substances in the soil
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- E21B47/14—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves
- E21B47/18—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling using acoustic waves through the well fluid, e.g. mud pressure pulse telemetry
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y40/00—IoT characterised by the purpose of the information processing
- G16Y40/10—Detection; Monitoring
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16Y—INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT]
- G16Y40/00—IoT characterised by the purpose of the information processing
- G16Y40/30—Control
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2250/00—Production methods
- E02D2250/003—Injection of material
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- 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
Abstract
The invention discloses an all-dimensional high-pressure jet grouting device based on the Internet of things and a construction method thereof, and belongs to the field of intelligent construction of foundation reinforcement of high-pressure jet grouting piles. A traditional MJS omnibearing high-pressure jet grouting device is reformed, high-pressure water jet is adopted for pre-drilling and cutting, an acoustic logging instrument is arranged at the bottom of a perforated pipe, monitoring sensors based on the Internet of things technology and wireless network transmission are arranged on devices of mechanical transportation and positioning, hole forming and grouting, grout preparation and pumping, air supply and water supply and the like of the grouting device, all sensing information is uploaded to a server for analysis and decision making, and then a drilling machine is controlled to operate effectively according to the analysis and decision making, so that rock-soil stratum identification, cement paste preparation control, grout spraying stirring control, pile forming quality detection and construction information preparation are realized in the construction process of the MJS construction method, and construction parameter self-adaptive intelligent adjustment and dynamic control of construction quality along with stratum property change in the construction process of the MJS construction method are realized.
Description
Technical Field
The invention relates to the technical field of intelligent geotechnical engineering construction, in particular to an omnibearing high-pressure jet grouting device based on the Internet of things and an intelligent construction method thereof.
Background
The MJS construction method, namely the omnibearing ultrahigh pressure jet grouting method, is a construction method for utilizing the kinetic energy of ultrahigh pressure jet fluid to cut the stratum, mix hardened materials, stir in a stirring manner and construct an improved body. In addition, the construction method can always keep the spraying condition in the foundation around the cutting front-end device part in the optimum state by adding all the required functions in order to ensure that the spraying, cutting, mixing and stirring are carried out in the same state under any conditions.
The MJS construction method is developed from the initial horizontal jet grouting construction to the later inclined and vertical construction. The original high-pressure jet grouting process is inherited and developed, and a special perforated pipe and a front-end forced slurry suction device are adopted. During construction, the opening size of the slurry suction hole can be controlled through the pressure measuring sensor, and the slurry discharge amount is adjusted to achieve the purpose of controlling the internal pressure. The influence on the environment is reduced, the soil squeezing effect is avoided, and the earth surface deformation building cracking, the structure displacement and the like in the foundation stabilization construction are greatly reduced.
The construction method of reinforcing by rotary spraying grouting is introduced into China at the end of the last 70 th century, and the existing literature data retrieval shows that the method is introduced in pages 661-702 of foundation pit engineering handbook mainly compiled by Liu Jian navigation and Yuan of science, and the content of the method comprises the basic principle and concept of rotary spraying reinforcement, the experimental results of laboratories and sites at home and abroad and the design of rotary spraying piles. The paper written by cowberry rainbow, construction characteristics and equipment of high-pressure rotary spraying method, is recorded in journal industrial building 2002, 32 th volume, 10 th page, 52-59, introduces the equipment system of the process, and mainly comprises the structural forms of water feeders, rotary spraying pipes, injectors and other devices applied to a single-pipe method, a double-pipe method and a triple-pipe method.
The high-pressure jet grouting pile developed to date in the last 70 th century improves the working efficiency, the convenience of mechanical operation and the electronization degree, and in addition, a drilling machine can only adopt fixed construction parameters in the construction process, the construction parameters cannot be intelligently adjusted according to the change of the properties of a drilling stratum, and the construction quality cannot be dynamically controlled. With the improvement of network technology, the development of internet of things technology and the maturity of machine intelligent control technology, intelligent equipment and a construction method are fused, the intelligent equipment and the construction method are applied to the transformation of construction equipment and the optimization of construction technology, intelligent sensing, real-time full-automatic control and automatic detection of construction quality in site construction are realized based on the internet of things and intelligent means, the self-adaptive adjustment of construction parameters and dynamic control of construction quality of all-dimensional ultrahigh-pressure injection grouting are realized, and a unique construction method is formed.
Disclosure of Invention
The technical problem is as follows: the invention mainly solves the technical problems that in the whole construction process of the MJS construction method, the intelligentization and automation degree in the working procedures of drilling positioning, drilling cutting, cement paste preparation, guniting control, construction process control, construction quality field detection and the like is low, the omnibearing ultrahigh-pressure jet grouting equipment can only adopt fixed construction parameters, cannot intelligently adjust the construction parameters according to the property change of a drilling stratum and cannot dynamically control the construction quality, and therefore the omnibearing high-pressure jet grouting equipment based on the Internet of things and the construction method thereof are provided.
The technical scheme is as follows: the invention relates to an omnibearing high-pressure injection grouting device based on the Internet of things, which mainly comprises a device moving and positioning device, a high-pressure water nozzle, a gas-liquid slurry nozzle, a monitoring and sensing device, an acoustic logging instrument, a sludge discharge port, a perforated pipe, a sludge discharge pipe, a slurry preparation device, a gas and water supply device, a pumping and conveying device, a slurry box, an Internet of things control device and a pressure recorder, wherein the device moving and positioning device is connected with the high-pressure water nozzle; the drilling machine walking and positioning device carries high-pressure injection grouting equipment for walking and positioning; the high-pressure water nozzle is arranged at the bottom of the perforated pipe and used for pre-drilling and cutting; the gas-liquid slurry spray head is arranged at the position close to the bottom of the perforated pipe, and a monitoring sensing device is arranged in the gas-liquid slurry spray head to monitor the pressure of gas injection, liquid injection and slurry injection; the acoustic logging instrument is arranged on a perforated pipe between the gas-liquid slurry spray nozzle and the high-pressure water spray nozzle and is used for acquiring stratum layered identification, and acoustic logging is carried out in a drilled hole after drilling hole formation and cement slurry spraying, and wave speed information of logging is wirelessly transmitted to the Internet of things control device on the ground; the sludge discharge port is positioned above the gas-liquid slurry spray head and is used for discharging the slurry at the bottom; the mud discharging pipe is positioned in the perforated pipe and used for conveying the waste mud to the mud tank; the slurry preparation device is accessory equipment of the omnibearing high-pressure injection grouting equipment, is connected with a conveying pipe on the high-pressure injection grouting equipment through a pumping conveying device, and realizes mixing and stirring of a guniting material through an Internet of things control device; the air supply and water supply device provides air and water supply required by high-pressure rotary spraying; the pumping transportation device is used for pressurized transportation of gas, liquid and slurry required by high-pressure rotary spraying, and the monitoring sensing device is arranged inside the pumping transportation device to collect the spraying pressure of the gas, the liquid and the slurry; the pressure recorder is arranged on the top of the perforated pipe and used for monitoring and recording the underground pressure.
The monitoring sensing device comprises a Beidou positioning sensor, an inclination angle sensor, a rotating speed sensor, a pressure sensor, a depth sensor, a pressure sensor, a flow sensor and a slurry flow sensor; the Beidou positioning sensor and the inclination angle sensor are arranged at the top of the perforated pipe; the rotating speed sensor is arranged inside the middle position of the perforated pipe; the pressure sensors are respectively arranged at the connecting part of the lower part of the perforated pipe and the high-pressure water nozzle and inside the pumping transmission device of gas, liquid and slurry; the depth sensor is arranged at the position of the gas-liquid slurry spray head; the pressure sensor is arranged in the pumping transportation device; the flow sensors are respectively arranged in the pumping transmission devices of gas, liquid and slurry; the information collected by the sensor is wirelessly transmitted to the Internet of things control device on the ground.
The multi-hole pipe comprises a high-pressure cement pipeline, an additive pipeline, a reverse suction pipeline, a main air pipeline, a reverse suction air pipeline, an oil pressure joint, a pressure sensor pipeline pipe and a hole cutting water spraying pipe;
the Internet of things control device comprises a data interface module, a data server, a central processing module, control rule input equipment, an automatic control rule verification module, an automatic control execution module, a real-time storage refreshing module, a ZigBee master coordination module and a ZigBee/UPnP protocol conversion module; the intelligent construction system comprises a data interface module, a data server, a central processing module, a control rule input device, an automatic control rule verification module, an automatic control execution module, a ZigBee master coordination module, a ZigBee/UPnP protocol conversion module, an intelligent construction process control module, a real-time storage refreshing module, a ZigBee/UPnP protocol conversion module and a ZigBee main coordination module, wherein the data interface module accesses different data formats into the data server, the data server stores, backs up and releases data, the central processing module analyzes and calculates the data, the control rule input device feeds monitoring information back to the input of a control rule, the automatic control rule verification module verifies rule control conditions of the monitoring information.
The intelligent construction method of the omnibearing high-pressure jet grouting equipment based on the Internet of things comprises the following steps of:
step 1: the equipment moving and positioning device arranged on the omnibearing high-pressure injection grouting equipment is used for controlling the moving and positioning of the equipment, and the construction position of the omnibearing ultrahigh-pressure injection pile is accurately positioned through a Beidou positioning sensor;
step 2: pre-drilling a hole at a preset pile position by using a high-pressure water nozzle to cut and drill to a designed elevation, and completing drilling and hole forming; collecting monitoring information of sound wave detection of the rock-soil body before the pressure sensor, the pressure sensor inside the high-pressure water nozzle and the sound wave logging instrument are used for carrying out borehole inner periphery reinforcement in the drilling process and transmitting the monitoring information to the Internet of things control device, and analyzing and determining rock-soil stratum identification through the underground pressure, the high-pressure water pressure and the logging wave velocity information;
and step 3: according to rock stratum identification, pile forming characteristics of different soil layers are evaluated, construction parameters of corresponding slurry proportion, water-cement ratio, slurry spraying pressure and rotating speed are set intelligently, corresponding construction operation is executed through an internet of things control device, a slurry preparation device and an air and water supply device are automatically connected, slurry is prepared according to the set slurry parameters, and the prepared slurry is adjusted to be in proper pressure through a pumping and conveying device and is pumped to omnibearing high-pressure jet grouting equipment;
and 4, step 4: starting to lift the perforated pipe, opening a gas-liquid slurry nozzle, and performing gas-liquid slurry spraying, soil body cutting and mixing stirring construction in the lifting process of the drill bit; in the slurry spraying construction, pressure sensors, inclination angle sensors, rotating speed sensors, depth sensors, flow sensors and slurry flow sensors in a gas, liquid and slurry pumping transmission device synchronously monitor the slurry spraying pressure, the rotating speed of a drill rod, the slurry spraying depth, the slurry flow, the discharged slurry flow and other information, transmit the information to an Internet of things control device, evaluate whether the construction requirements are met, and intelligently and dynamically adjust the operation conditions of a slurry preparation device, an air and water supply device and a pumping transmission device by utilizing an Internet of things control device, thereby realizing the dynamic adjustment of construction parameters and ensuring the reliability of construction quality;
and 5: in the process of retracting the perforated pipe, carrying out sound wave detection on the rock-soil body after the inner periphery of the drilled hole is reinforced by using a sound wave logging instrument, wirelessly transmitting logging wave speed information to an Internet of things control device on the ground, comparing the difference of sound wave speeds before and after reinforcement, detecting the reinforcement quality and effect, repeating the step 4 to carry out re-spraying construction according to the construction requirements, and stopping the construction until the construction is finished;
step 6: and (5) shifting the jet grouting equipment, and repeating the steps 1 to 5 to construct the next pile.
Has the advantages that: the following beneficial effects can be obtained through the technical scheme:
1. according to the omnibearing high-pressure injection grouting equipment based on the Internet of things and the intelligent construction method thereof, the Beidou positioning sensor realizes automatic and accurate positioning of the omnibearing high-pressure injection grouting equipment through the moving and positioning device of the omnibearing high-pressure injection grouting equipment, the manual positioning time is shortened, and the construction efficiency is improved.
2. According to the omnibearing high-pressure jet grouting equipment based on the Internet of things and the intelligent construction method thereof, the high-pressure water nozzle is used for pre-drilling, cutting and drilling to reach the designed elevation, and drilling and forming of the MJS construction method pile are completed; and the monitoring information of the underground pressure sensor and the pressure sensor inside the high-pressure water nozzle is collected and transmitted to the Internet of things control device in the drilling process, and the rock-soil stratum identification is determined through the analysis of the underground pressure, the high-pressure water pressure and the logging wave velocity information, so that the occurrence of the conditions of insufficient drilling depth, drilling inclination, hole collapse, hole shrinkage and the like caused by misjudgment in the manual control drilling machine drilling process is reduced.
3. According to the omnibearing high-pressure jet grouting equipment based on the Internet of things and the intelligent construction method thereof, the acoustic logging instrument is utilized to perform acoustic detection on rock and soil mass before the inner periphery of the drilled hole is reinforced, and logging wave speed information is wirelessly transmitted to the Internet of things control device on the ground, so that the quality detection of the drilled hole is realized in real time, and a key effect is played for ensuring the quality of the rotary jet grouting pile in the later period.
4. According to the omnibearing high-pressure jet grouting equipment based on the Internet of things and the intelligent construction method thereof, pile forming characteristics of different soil layers are evaluated according to rock-soil stratum identification, corresponding construction parameters such as slurry proportion, water-cement ratio, slurry spraying pressure, rotating speed and the like are set intelligently, corresponding construction operation is carried out on a slurry preparation device and a gas and water supply device pumping and conveying device through an Internet of things control device, corresponding construction parameters are continuously adjusted in the construction process to achieve the optimal slurry spraying effect, the possibility of uneven construction quality caused by manual misoperation, incapability of keeping attention for a long time, lack of construction experience and the like is reduced, and the construction quality of a high-pressure rotary jet grouting pile is improved.
5. According to the omnibearing high-pressure jet grouting equipment based on the Internet of things and the intelligent construction method thereof, the perforated pipe is retracted, the sound wave logging instrument is utilized to perform sound wave detection on the rock-soil body after the inner periphery of the drilled hole is reinforced, the logging wave speed information is wirelessly transmitted to the Internet of things control device on the ground, the difference of the sound wave speed before and after reinforcement is compared, the reinforcement quality and effect are detected, and real-time intelligent construction quality detection is really achieved.
Drawings
FIG. 1 is a schematic diagram of an omnibearing high-pressure jet grouting equipment structure and a monitoring sensing device based on the Internet of things;
fig. 2 is a schematic diagram of a control device of the internet of things;
FIG. 3 is a flow chart of an intelligent construction method of the omnibearing high-pressure jet grouting equipment based on the Internet of things.
The above figures include: the device comprises an equipment moving and positioning device 1, a high-pressure water nozzle 2, a gas-liquid slurry spray head 3, a monitoring sensing device 4, a sound wave logging instrument 5, a mud discharging port 6, a perforated pipe 7, a mud discharging pipe 8, a slurry preparation device 9, a gas and water supply device 10, a pumping and conveying device 11, a mud box 12, an internet of things control device 13, a pressure recorder 14, a Beidou positioning sensor 15, an inclination angle sensor 16, a rotating speed sensor 17, a pressure sensor 18, a depth sensor 19, a slurry pressure sensor 20, a flow sensor 21, a slurry flow sensor 22 and a data interface module 23; a data server, 4; a central processing module 25; a control rule input device 26; an automatic control rule verification module 27; an automatic control execution module 28; a real-time memory refresh module 29; a ZigBee master coordination module 30; a ZigBee/UPnP protocol conversion module 31.
Detailed Description
The following describes the method of the present invention in detail with reference to the attached drawing 1:
the invention relates to an omnibearing high-pressure injection grouting device based on the Internet of things, which mainly comprises a device moving and positioning device, a high-pressure water nozzle, a gas-liquid slurry nozzle, a monitoring and sensing device, an acoustic logging instrument, a sludge discharge port, a perforated pipe, a sludge discharge pipe, a slurry preparation device, a gas and water supply device, a pumping and conveying device, a slurry box, an Internet of things control device and a pressure recorder, wherein the device moving and positioning device is connected with the high-pressure water nozzle; the drilling machine walking and positioning device carries high-pressure injection grouting equipment for walking and positioning; the high-pressure water nozzle is arranged at the bottom of the end of the porous pipe and is used for pre-drilling and cutting; the gas-liquid slurry spray head is arranged at the position close to the bottom of the perforated pipe, and a monitoring sensing device is arranged in the gas-liquid slurry spray head to monitor the pressure of gas injection, liquid injection and slurry injection; the acoustic logging instrument is arranged on a porous pipe at the rear part of the gas-liquid slurry nozzle and is used for acquiring stratum layered identification, and acoustic logging is carried out in a drilled hole after drilling hole forming and cement guniting, and wave speed information of logging is wirelessly transmitted to the Internet of things control device on the ground; the sludge discharge port is used for discharging the sludge at the bottom; the multi-hole pipe comprises a high-pressure cement pipeline, a standby pipeline (an additive pipeline), 2 reverse suction pipelines (jet vacuum mud discharge), a main air pipeline (cutting and stirring), a reverse suction air pipeline (auxiliary jet vacuum mud discharge in ultra-deep state), 2 oil pressure joints (a control mud discharge valve), a pressure sensor pipeline pipe and a hole cutting water spraying pipe (pre-drilling hole); the mud discharging pipe is used for conveying the waste mud to the mud tank; the slurry preparation device is accessory equipment of the omnibearing high-pressure injection grouting equipment, is connected with a conveying pipe on the high-pressure injection grouting equipment through a pumping conveying device, and realizes mixing and stirring of a guniting material through an Internet of things control device; the air supply and water supply device provides air and water supply required by high-pressure rotary spraying; the pumping transportation device is used for pressurized transportation of gas, liquid and slurry required by high-pressure rotary spraying, and the monitoring sensing device is arranged inside the pumping transportation device to collect the spraying pressure of the gas, the liquid and the slurry; the pressure recorder is arranged at the top of the perforated pipe and used for monitoring and recording the underground pressure.
In the monitoring sensing device, a Beidou positioning sensor is arranged at the top of a perforated pipe; the inclination angle sensor is arranged at the tail part of the perforated pipe; the pressure sensors are respectively arranged at the joint of the high-pressure water nozzle and the perforated pipe and inside the pumping transmission device of gas, liquid and slurry; the rotating speed sensor is arranged inside the middle position of the perforated pipe; the depth sensor is arranged at the position of the gas-liquid slurry spray head; the flow sensors are respectively arranged in the pumping transmission devices of gas, liquid and slurry; the information collected by the sensor is wirelessly transmitted to the Internet of things control device on the ground.
The Internet of things control device comprises a data interface module, a data server, a central processing module, control rule input equipment, an automatic control rule verification module, an automatic control execution module, a real-time storage refreshing module, a ZigBee master coordination module and a ZigBee/UPnP protocol conversion module; the intelligent construction system comprises a data interface module, a data server, a central processing module, a control rule input device, an automatic control rule verification module, an automatic control execution module, a ZigBee master coordination module, a ZigBee/UPnP protocol conversion module, an intelligent construction process control module, a real-time storage refreshing module, a ZigBee/UPnP protocol conversion module and a ZigBee main coordination module, wherein the data interface module accesses different data formats into the data server, the data server stores, backs up and releases data, the central processing module analyzes and calculates the data, the control rule input device feeds monitoring information back to the input of a control rule, the automatic control rule verification module verifies rule control conditions of the monitoring information.
Based on the structural schematic diagram of the omnibearing high-pressure jet grouting equipment based on the internet of things shown in fig. 1, a corresponding intelligent construction method is provided, and the method comprises the following steps:
construction step 1: the omnibearing high-pressure jet grouting equipment is accurately positioned at a construction position.
Inputting the coordinate information of each pile position provided by a construction design drawing into the equipment moving and positioning device 1, controlling the grouting equipment moving and positioning device 1 to move to the specified accurate construction pile position coordinate position through a Beidou positioning sensor 15 arranged at the top of the perforated pipe 7, and lowering the drill bit.
And 2, construction: drilling and acquiring formation information.
Pre-drilling a hole at a preset pile position by using the high-pressure water nozzle 2, stopping drilling when the data transmitted back by the depth sensor 18 to the Internet of things control device 9 is displayed to a designed elevation, and completing the drilling and hole forming of the MJS-method pile; during drilling, monitoring information of sound wave detection of the rock-soil body before the pressure sensor 18, the pressure sensor in the high-pressure water nozzle 2 and the sound wave logging instrument 5 perform drilling inner periphery reinforcement is collected and transmitted to the Internet of things control device 13, rock-soil stratum identification is analyzed and determined through the underground pressure, the high-pressure water pressure and logging wave speed information, and drilling information is stored in real time.
And (3) construction: analyzing and calculating construction parameters, and starting pulping and pumping.
According to the rock-soil stratum information obtained in the construction step 2, pile forming characteristics of different soil layers are evaluated, corresponding construction parameters such as slurry proportion, water-cement ratio, slurry spraying pressure and rotating speed are set intelligently, corresponding construction operation is executed through the Internet of things control device 13, the slurry preparation device 9 and the air and water supply device 10 are automatically connected, slurry is prepared according to the set slurry proportion parameters, and the prepared water, gas, slurry and the like are adjusted to be suitable for pressure to be pumped to the omnibearing high-pressure jet grouting equipment through the pumping and conveying device 11.
And 4, construction: and (5) carrying out guniting construction, and dynamically adjusting construction parameters.
Starting to lift the perforated pipe, opening the gas-liquid slurry spray head 3, and performing the construction of spraying gas-liquid slurry, cutting soil mass and mixing and stirring in the process of lifting the drill bit; in the guniting construction, the pressure sensor 20, the inclination angle sensor 16, the rotating speed sensor 17, the depth sensor 19, the flow sensor 21 and the slurry flow sensor 22 in the gas, liquid and slurry pumping transmission device 11 synchronously monitor information such as guniting pressure, drill rod rotating speed, guniting depth, slurry flow and discharged slurry flow, the information is transmitted to the Internet of things control device 13, whether the construction indexes meet construction requirements is evaluated, the operation conditions of the slurry preparation device 9, the gas and water supply device 10 and the pumping transmission device 11 are intelligently and dynamically adjusted by the Internet of things control device 13, dynamic adjustment of construction parameters is achieved, and construction quality reliability is guaranteed.
And 5: in the process of retracting the perforated pipe, carrying out sound wave detection on the rock-soil body after the inner periphery of the drilled hole is reinforced by using a sound wave logging instrument 5, wirelessly transmitting logging wave speed information to an Internet of things control device 13 on the ground, comparing the difference of sound wave speeds before and after reinforcement, detecting the reinforcement quality and effect, repeating the step 4 to carry out re-spraying construction according to the construction requirements, and stopping the construction until the construction is finished;
step 6: and (5) shifting the jet grouting equipment, and repeating the steps 1 to 5 to construct the next pile.
Claims (5)
1. The omnibearing high-pressure jet grouting equipment based on the Internet of things is characterized by mainly comprising an equipment moving and positioning device (1), a high-pressure water nozzle (2), a gas-liquid slurry spray head (3), a monitoring sensing device (4), an acoustic logging instrument (5), a mud discharge port (6), a perforated pipe (7), a mud discharge pipe (8), a slurry preparation device (9), a gas and water supply device (10), a pumping and conveying device (11), a mud box (12), an Internet of things control device (13) and a pressure recorder (14); the drilling machine walking and positioning device (1) carries high-pressure jet grouting equipment for walking and positioning; the high-pressure water nozzle (2) is arranged at the bottom of the perforated pipe (7) and is used for pre-drilling and cutting; the gas-liquid slurry spray head (3) is arranged at the position close to the bottom of the perforated pipe (7), and the monitoring sensing device (4) is arranged in the gas-liquid slurry spray head (3) and used for monitoring the pressure of air injection, liquid injection and slurry injection; the acoustic logging instrument (5) is arranged on a perforated pipe (7) between the gas-liquid slurry spray nozzle (3) and the high-pressure water spray nozzle (2) and is used for acquiring stratum layered identification, and acoustic logging is performed in a drilled hole after drilling hole formation and cement slurry spraying, and wave speed information of logging is wirelessly transmitted to the Internet of things control device on the ground; the sludge discharge port (6) is positioned above the gas-liquid slurry spray head (3) and is used for discharging the slurry at the bottom; the sludge discharge pipe (8) is positioned in the perforated pipe (7) and is used for conveying the waste sludge to the sludge box (12); the slurry preparation device (9) is an accessory device of the omnibearing high-pressure jet grouting equipment, is connected with a conveying pipe on the high-pressure jet grouting equipment through a pumping and conveying device (11), and realizes mixing and stirring of a slurry spraying material through an internet of things control device (13); the air supply and water supply device (10) provides air and water supply required by high-pressure rotary spraying; the pumping and conveying device (11) is used for pressurized conveying of gas, liquid and slurry required by high-pressure rotary spraying, and the monitoring sensing device (4) is arranged inside the pumping and conveying device to collect the spraying pressure of the gas, the liquid and the slurry; a pressure recorder (14) is mounted on the top of the perforated pipe for monitoring and recording the pressure in the ground.
2. The omnibearing high-pressure jet grouting equipment based on the Internet of things as claimed in claim 1, wherein the monitoring sensing device (4) comprises a Beidou positioning sensor (15), a tilt angle sensor (16), a rotating speed sensor (17), a pressure sensor (18), a depth sensor (19), a pressure sensor (20), a flow sensor (21) and a mud flow sensor (22); the Beidou positioning sensor (15) and the inclination angle sensor (16) are arranged at the top of the perforated pipe (7); the rotating speed sensor (17) is arranged inside the middle position of the perforated pipe (7); the pressure sensors (18) are respectively arranged at the connection part of the lower part of the perforated pipe (7) and the high-pressure water nozzle (2) and inside the pumping and conveying device (11) of gas, liquid and slurry; the depth sensor (19) is arranged at the position of the gas-liquid slurry spray head (3); the pressure sensor (20) is arranged in the pumping transportation device (11); the flow sensors (21) are respectively arranged in the pumping transmission devices (11) of gas, liquid and slurry; the information collected by the sensor is transmitted to an internet of things control device (13) on the ground in a wireless mode.
3. The omnibearing high-pressure injection grouting equipment based on the Internet of things as claimed in claim 1, wherein the porous pipe (7) comprises a high-pressure cement pipeline, a standby pipeline, a reverse suction pipeline, a main air pipeline, a reverse suction air pipeline, an oil pressure joint, a pressure sensor pipeline pipe and a hole-cutting water spray pipe.
4. The omnibearing high-pressure injection grouting equipment based on the Internet of things as claimed in claim 1, wherein the Internet of things control device (13) comprises a data interface module (23), a data server (24), a central processing module (25), a control rule input device (26), an automatic control rule verification module (27), an automatic control execution module (28), a real-time storage and refresh module (29), a ZigBee master coordination module (30) and a ZigBee/UPnP protocol conversion module (31); the intelligent construction process monitoring system comprises a data interface module (23), a data server (24), a central processing module (25), a control rule input device (26), an automatic control rule verification module (27), an automatic control execution module (28), a real-time storage refreshing module (29), a ZigBee master coordination module (30) and a ZigBee/UPnP protocol conversion module (31), wherein different data formats are accessed into the data server (24), the data server (24) stores, backs up and releases data, the central processing module (25) analyzes and calculates the data, the control rule input device (26) feeds monitoring information back to the input of a control rule, the automatic control rule verification module (27) verifies the rule control condition of the monitoring information, the automatic control execution module (28) controls an intelligent construction process, the real-time storage refreshing.
5. The intelligent construction method of the omnibearing high-pressure jet grouting equipment based on the Internet of things as claimed in claim 1, characterized by comprising the following steps:
step 1: the equipment moving and positioning device (1) arranged on the omnibearing high-pressure injection grouting equipment is used for controlling the moving and positioning of the equipment, and the construction position of the omnibearing ultrahigh-pressure injection pile is accurately positioned through a Beidou positioning sensor (15);
step 2: pre-drilling a hole at a preset pile position by using a high-pressure water nozzle (2) to cut and drill to a designed elevation, and completing drilling and hole forming; during drilling, collecting monitoring information of sound wave detection of the rock-soil body before the pressure sensor (18), the pressure sensor inside the high-pressure water nozzle (2) and the sound wave logging instrument (5) perform drilling inner periphery reinforcement, transmitting the monitoring information to the Internet of things control device (13), and analyzing and determining rock-soil stratum identification through the underground pressure, the high-pressure water pressure and the logging wave velocity information;
and step 3: according to rock stratum identification, pile forming characteristics of different soil layers are evaluated, construction parameters of corresponding slurry proportion, water-cement ratio, slurry spraying pressure and rotating speed are set intelligently, corresponding construction operation is executed through an internet of things control device (13), a slurry preparation device (9) and an air and water supply device (10) are automatically connected, slurry is prepared according to the set slurry parameters, and the prepared slurry is adjusted to be suitable for pressure to be pumped to omnibearing high-pressure jet grouting equipment through a pumping and conveying device (11);
and 4, step 4: starting to lift the perforated pipe, opening the gas-liquid slurry spray head (3), and performing the construction of spraying gas-liquid slurry, cutting soil body and mixing and stirring in the process of lifting the drill bit; in the guniting construction, a pressure sensor (20), an inclination angle sensor (16), a rotating speed sensor (17), a depth sensor (19), a flow sensor (21) and a slurry flow sensor (22) in a gas, liquid and slurry pumping transmission device (11) synchronously monitor information such as guniting pressure, drill rod rotating speed, guniting depth, slurry flow, discharged slurry flow and the like, transmit the information to an Internet of things control device (13), evaluate whether construction requirements are met, and intelligently and dynamically adjust the operation conditions of a slurry preparation device (9), an air and water supply device (10) and a pumping transportation device (11) by utilizing the Internet of things control device (13), so that the dynamic adjustment of construction parameters is realized, and the construction quality reliability is guaranteed;
and 5: in the process of retracting the perforated pipe, carrying out sound wave detection on the rock-soil body after the inner periphery of the drilled hole is reinforced by using a sound wave logging instrument (5), wirelessly transmitting logging wave speed information to an Internet of things control device (13) on the ground, comparing the difference of sound wave speeds before and after reinforcement, detecting the reinforcement quality and effect, repeating the step 4 to carry out re-spraying construction according to the construction requirement, and stopping the construction until the construction is finished;
step 6: and (5) shifting the jet grouting equipment, and repeating the steps 1 to 5 to construct the next pile.
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| CN202110346575.9A CN113073652A (en) | 2021-03-31 | 2021-03-31 | Omnibearing high-pressure injection grouting equipment based on Internet of things and construction method thereof |
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| CN202110346575.9A CN113073652A (en) | 2021-03-31 | 2021-03-31 | Omnibearing high-pressure injection grouting equipment based on Internet of things and construction method thereof |
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Application publication date: 20210706 |