CN110847934A - Tunnel concrete intelligence maintenance system - Google Patents
Tunnel concrete intelligence maintenance system Download PDFInfo
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- CN110847934A CN110847934A CN201911029220.6A CN201911029220A CN110847934A CN 110847934 A CN110847934 A CN 110847934A CN 201911029220 A CN201911029220 A CN 201911029220A CN 110847934 A CN110847934 A CN 110847934A
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- 238000012423 maintenance Methods 0.000 title claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 153
- 238000005507 spraying Methods 0.000 claims abstract description 57
- 239000003595 mist Substances 0.000 claims abstract description 54
- 239000007921 spray Substances 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000012544 monitoring process Methods 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 238000005096 rolling process Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 7
- 238000000889 atomisation Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000013589 supplement Substances 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 5
- 206010063385 Intellectualisation Diseases 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000009692 water atomization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
- B05B12/006—Pressure or flow rate sensors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/12—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/003—Linings or provisions thereon, specially adapted for traffic tunnels, e.g. with built-in cleaning devices
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- Architecture (AREA)
- Structural Engineering (AREA)
- Analytical Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Fluid Mechanics (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses an intelligent tunnel concrete curing system which comprises a monitoring platform, high-pressure water mist equipment, a travelling mechanism, a spraying device and a sensing unit, wherein the monitoring platform is connected with the high-pressure water mist equipment; the monitoring platform is in wireless connection with the high-pressure water mist equipment and is used for remotely setting initial parameters of system operation, controlling the opening or closing of system operation and monitoring the temperature and humidity of tunnel concrete and the operation state of the system; the high-pressure water mist equipment is arranged on the travelling mechanism and used for generating high-pressure plasma atomized water, controlling the system to spray and receiving the sensing information of the sensing unit; the spraying device is an n-shaped pipeline structure matched with the cross section of the tunnel body in shape, and one end of the spraying device is fixedly connected with an atomized water outlet on the side wall of the high-pressure water mist equipment and used for spraying atomized water to the surface of the tunnel concrete; the high-pressure water mist equipment is connected with the traveling mechanism through a circuit and can be controlled to automatically move back and forth along the tunnel direction in a timing mode, and therefore the spraying device is driven to uniformly spray atomized water on the surface of tunnel concrete. Due to the design, the spraying operation is more refined, the intellectualization of the spraying operation is realized, the concrete curing efficiency is improved, and the quality effect of the concrete curing is enhanced.
Description
Technical Field
The invention relates to the field of tunnel construction, in particular to an intelligent maintenance system for tunnel concrete.
Background
In modern tunnel construction, concrete is widely applied to tunnel construction projects such as highways, railways, subways and the like as an indispensable building material. However, in the hydration and hardening process of concrete, not only a large amount of water is consumed, but also more importantly, a large amount of operators are needed for construction, the efficiency is not high, meanwhile, the operation can not be continuously performed day and night, and the quality effect of concrete curing is not good.
Disclosure of Invention
The invention aims to solve the problems that; to prior art's shortcoming and not enough, provide a tunnel concrete intelligence maintenance system, adopt and need not the mode that manual intervention automatic control sprayed the operation to sprinkler structure and tunnel cave body structure cooperation can the full coverage not have the omission and spray and target in place, make and spray the operation more meticulous, have realized the intellectuality of spraying the operation, have improved the efficiency of concrete maintenance, have strengthened the quality effect of concrete maintenance, have also reduced the cost of labor expenditure.
In order to achieve the purpose, the invention adopts the technical scheme that:
an intelligent tunnel concrete curing system comprises a monitoring platform, high-pressure water mist equipment, a travelling mechanism, a spraying device and a sensing unit;
the monitoring platform is in wireless connection with the high-pressure water mist equipment and is used for remotely setting initial parameters of system operation, controlling the opening or closing of system operation and monitoring the temperature and humidity of tunnel concrete and the operation state of the system;
the high-pressure water mist equipment is arranged on the travelling mechanism and used for generating high-pressure plasma atomized water, controlling the system to spray and receiving the sensing information of the sensing unit;
the spraying device is an n-shaped pipeline structure matched with the cross section of the tunnel body in shape, and one end of the spraying device is fixedly connected with an atomized water outlet on the side wall of the high-pressure water mist equipment and used for spraying atomized water to the surface of the tunnel concrete;
the high-pressure water mist equipment is connected with the traveling mechanism through a circuit and can be controlled to automatically move back and forth along the tunnel direction in a timing mode, and therefore the spraying device is driven to uniformly spray atomized water on the surface of tunnel concrete.
In the scheme, according to the initial parameter setting and the monitoring data of the sensor unit on the parameters such as the temperature and the humidity of the tunnel concrete, the running state of the system and the like, the controller in the high-pressure water mist equipment can judge, and the automatic control system sprays. Because the configuration of atomizer and the cross sectional shape cooperation (be close) of tunnel cave body, atomizer can follow tunnel direction round trip movement under running gear's drive simultaneously, such design has guaranteed that can both spray the atomizing water evenly on the concrete no matter in the cross-section of tunnel cave body or on the longitudinal direction. Technical personnel can remotely check detection data and system operation conditions and set initial operation parameters for the system by using the monitoring platform. Other operations do not need manual intervention, so that the spraying operation is more refined, the intellectualization of the spraying operation is realized, the concrete curing efficiency is improved, the concrete curing quality is enhanced, and the curing effect is better.
Further, the high-pressure water mist equipment comprises a high-pressure water mist generator, a power device, a water storage tank, a controller and a wireless communication module; the high-pressure water mist generator atomizes water into plasma water mist by adopting ultrasonic waves in a high-pressure state and conveys the plasma water mist to the spraying device for spraying operation; the power device adopts a storage battery to provide a power supply for water inlet, atomization, spraying and walking equipment; the water storage capacity of the water storage tank is more than 80L, and a water replenishing pipe is connected for replenishing water at regular time; the controller receives the sensing information of the sensing unit through the wireless communication module and transmits wireless data with the monitoring platform.
Above-mentioned high pressure water smoke equipment collects water storage, water atomization, provides the power and implements detection and automatic control in an organic whole, sets up initial operating parameter for it through monitor platform, and under the condition of normal operation, high pressure water smoke equipment need not manual operation and just can detect, judge and automatic control sprays the operation automatically, and intelligent degree is high.
Further, the spraying device comprises a pipeline bracket, a fixed connecting piece and a high-pressure-resistant hose; the pipeline bracket is an n-shaped steel pipe, and two fixed connecting pieces which are arranged in a crossed manner are fixedly connected to the middle positions of the steel pipes on the two sides of the pipeline bracket; the high-pressure-resistant hose is arranged along the outer side of the pipeline bracket and bundled together, one end of the high-pressure-resistant hose is communicated with an atomized water outlet of the high-pressure water mist equipment, and the other end of the high-pressure-resistant hose is closed; and the outer side of the high-pressure resistant hose is communicated with a spray head at intervals of 1 meter, and the spray head faces to the surface of the tunnel concrete.
Carry out scientific design to atomizer according to tunnel cave body structure, evenly set up the atomising head for each position homoenergetic of concrete sprays and targets in place, and sprays evenly.
Furthermore, the travelling mechanism comprises a rolling table, a servo motor and a steel rail; the two steel rails are arranged at the bottom close to one side of the tunnel in parallel along the tunnel direction; the servo motor is arranged at the lower part of the upper cover plate of the rolling table and drives the rolling table to move back and forth along the steel rail.
Furthermore, the sensing unit comprises a plurality of temperature sensors, humidity sensors, flow sensors, water quantity sensors, speed sensors and track sensors; the temperature sensor and the humidity sensor can be arranged at proper positions in the tunnel and are used for detecting the temperature and the humidity of the concrete in the tunnel; the flow sensor is arranged in an atomized water outlet pipeline of the high-pressure water mist equipment and used for detecting the flow of sprayed water mist; the water quantity sensor is arranged in the water storage tank and used for detecting the water storage quantity; the speed sensor is arranged on the travelling mechanism and used for detecting the speed of atomized water sprayed during system maintenance; the track sensors are arranged at the end parts of the two ends of the steel rail and used for detecting whether the travelling mechanism moves to the tail end on the steel rail or not.
The various sensing units can detect the maintenance parameter indexes and the system running state in real time, and are favorable for accurate control of tunnel concrete maintenance.
Further, the controller automatically controls the flow, time and interval of atomized water sprayed by the system and the moving speed of spraying operation according to the temperature and humidity of the tunnel concrete acquired in real time; or judging that the water storage capacity is less than the minimum water storage capacity according to the water storage capacity in the water storage tank acquired in real time, and controlling water supplementing equipment to supplement water; or judging that the distance between the travelling mechanism and the end parts of the two ends of the steel rail is less than the minimum threshold value according to the distance acquired in real time, and controlling the travelling mechanism to move reversely.
Further, the distance D between the pipeline support and the surface of the tunnel concrete is 0.5-1.5M.
Furthermore, the shape of the water mist sprayed out of the spray head is a fan-shaped structure, the spraying distance is less than 1.5M, and the diameter of the sprayed atomized water particles is 10-20 mu M.
Furthermore, the equipment of the monitoring platform adopts a smart phone, an Ipad or a PC. An operator can check the tunnel concrete curing spraying effect, the spraying operation condition and the like only by using any one of the devices and using corresponding control software, and can also set initial operation parameters to start or close the system operation.
Compared with the prior art, the invention has the following advantages and beneficial effects:
high pressure water smoke equipment can be according to the sensing information of sensor in the system, automatic control system sprays the operation, and because atomizer's configuration and the cooperation of tunnel cave body cross section shape, atomizer can follow tunnel direction round trip movement simultaneously, these operations need not artificial intervention, and can expand the operation round clock, guaranteed no matter can spray atomizing water on the concrete uniformly in the cross-section of tunnel cave body still the longitudinal, make the operation of spraying more meticulous, the intellectuality of spraying the operation has been realized, the efficiency of concrete maintenance has been improved, the quality effect of concrete maintenance has been strengthened, the cost expenditure of manual work has been reduced.
Drawings
FIG. 1 is a composition topological diagram of an intelligent maintenance system for tunnel concrete;
FIG. 2 is a schematic view of the high pressure water mist apparatus of the present invention;
FIG. 3 is a schematic structural diagram of an intelligent maintenance system for tunnel concrete;
FIG. 4 is a schematic view of the high pressure water mist apparatus and the travel mechanism of the present invention;
FIG. 5 is a schematic view of the structure of the spraying device of the present invention;
FIG. 6 is a schematic view of the structure of the high pressure resistant hose of the present invention;
fig. 7 is a schematic view of the arrangement structure of the steel rail in the tunnel body.
The labels in the figure are: 1-a monitoring platform, 2-a high-pressure water mist device, 21-a high-pressure water mist generator, 22-a power device, 23-a water storage tank, 24-a controller, 25-a wireless communication module, 3-a walking mechanism, 31-a rolling table, 32-a servo motor, 33-a steel rail, 4-a spraying device, 41-a pipeline bracket, 42-a fixed connecting piece, 43-a high-pressure-resistant hose, 44-a spraying head, 5-a sensing unit and 6-a tunnel hole body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
As shown in fig. 1 to 7, an intelligent maintenance system for tunnel concrete comprises a monitoring platform 1, a high-pressure water mist device 2, a traveling mechanism 3, a spraying device 4 and a sensing unit 5;
the monitoring platform 1 is wirelessly connected with the high-pressure water mist equipment 2 and is used for remotely setting initial parameters of system operation, controlling the opening or closing of system operation and monitoring the temperature and humidity of tunnel concrete and the operation state of the system;
the high-pressure water mist equipment 2 is arranged on the travelling mechanism 3 and is used for generating high-pressure plasma atomized water, controlling a system to spray and receiving sensing information of the sensing unit 5;
the spraying device 4 is an n-shaped pipeline structure matched with the cross section of the tunnel body in shape, and one end of the spraying device is fixedly connected with an atomized water outlet in the side wall of the high-pressure water mist equipment 2 and is used for spraying atomized water to the surface of tunnel concrete;
the high-pressure water mist equipment 2 is in circuit connection with the travelling mechanism 3 and can be controlled to automatically move back and forth along the tunnel direction in a timing mode, and therefore the spraying device 4 is driven to uniformly spray atomized water on the surface of tunnel concrete.
In the above embodiment, according to the initial parameter setting and monitoring data of the sensor unit on parameters such as the temperature and humidity of the tunnel concrete and the running state of the system, the controller in the high-pressure water mist equipment can perform judgment, and the automatic control system performs spraying operation. Because atomizer's configuration and the cooperation of tunnel cave body cross section shape, atomizer can follow tunnel direction round trip movement under running gear's drive simultaneously, such design has guaranteed no matter can both evenly spray atomized water on the concrete in tunnel cave body's cross-section or longitudinal. Technical personnel can remotely check detection data and system operation conditions and set initial operation parameters for the system by using the monitoring platform. Other operations do not need manual intervention, so that the spraying operation is more refined, the intellectualization of the spraying operation is realized, the concrete curing efficiency is improved, the concrete curing quality is enhanced, and the curing effect is better.
Further, the high-pressure water mist device 2 comprises a high-pressure water mist generator 21, a power device 22, a water storage tank 23, a controller 24 and a wireless communication module 25; the high-pressure water mist generator 21 atomizes water into plasma water mist by adopting ultrasonic waves in a high-pressure state and transmits the plasma water mist to the spraying device 4 for spraying operation; the power device 22 adopts a storage battery to provide a power supply for equipment for water inlet, atomization, spraying and walking; the water storage capacity of the water storage tank 23 is more than 80L, and a water replenishing pipe is connected for replenishing water regularly; the controller 24 receives sensing information of the sensing unit 5 through the wireless communication module 25 and transmits wireless data with the monitoring platform 1.
Above-mentioned high pressure water smoke equipment collects water storage, water atomization, provides the power and implements detection and automatic control in an organic whole, sets up initial operating parameter for it through monitor platform, and under the condition of normal operation, high pressure water smoke equipment need not manual operation and just can detect, judge and automatic control sprays the operation automatically, and intelligent degree is high.
Further, the spraying device 4 comprises a pipe bracket 41, a fixed connector 42, a high pressure resistant hose 43; the pipeline bracket 41 is an n-shaped steel pipe, and two fixed connecting pieces 42 which are arranged in a crossed manner are fixedly connected to the middle positions of the steel pipes on the two sides of the pipeline bracket 41; the high-pressure resistant hose 43 is arranged along the outer side of the pipeline bracket 41 and bundled together, one end of the high-pressure resistant hose 43 is communicated with an atomized water outlet of the high-pressure water mist equipment 2, and the other end of the high-pressure resistant hose is closed; and a spray head 44 is communicated with the outer side of the high-pressure resistant hose 43 at intervals of 1 meter, and the spray head 44 faces the surface of the tunnel concrete.
Carry out scientific design to atomizer according to tunnel cave body structure, evenly set up the atomising head for each position homoenergetic of concrete sprays and targets in place, and sprays evenly.
Further, the traveling mechanism 3 includes a rolling table 31, a servo motor 32, and a rail 33; the two steel rails 33 are arranged at the bottom close to one side of the tunnel in parallel along the tunnel direction; the servo motor 32 is disposed at a lower portion of an upper cover plate of the rolling table 31 and drives the rolling table 31 to move back and forth along the rail 33.
Further, the sensing unit 5 includes a plurality of temperature sensors, humidity sensors, flow sensors, water volume sensors, speed sensors, and track sensors; the temperature sensor and the humidity sensor can be arranged at proper positions in the tunnel and are used for detecting the temperature and the humidity of the concrete in the tunnel; the flow sensor is arranged in an atomized water outlet pipeline of the high-pressure water mist equipment 2 and is used for detecting the flow of sprayed water mist; the water quantity sensor is arranged in the water storage tank 23 and is used for detecting the water storage quantity; the speed sensor is arranged on the travelling mechanism 3 and is used for detecting the speed of atomized water sprayed during system maintenance; the track sensors are disposed at both end portions of the rail 33, and are configured to detect whether the traveling mechanism 3 moves to the end on the rail 33.
The various sensing units can detect the maintenance parameter indexes and the system running state in real time, and are favorable for accurate control of tunnel concrete maintenance.
Further, the controller 24 automatically controls the flow, time and interval of the atomized water sprayed by the system and the moving speed of the spraying operation according to the temperature and humidity of the tunnel concrete acquired in real time; or judging that the water storage amount in the water storage tank 23 is less than the minimum water storage amount according to the water storage amount acquired in real time, and controlling water supplementing equipment to supplement water; or judging that the distance between the travelling mechanism 3 and the end parts of the two ends of the steel rail 33 is less than the minimum threshold value according to the distance acquired in real time, and controlling the travelling mechanism 3 to move reversely.
Further, the distance D between the pipeline bracket 41 and the surface of the tunnel concrete is 0.5-1.5M.
Furthermore, the shape of the water mist sprayed out of the spray head 44 is a fan-shaped structure, the spraying distance is less than 1.5M, and the diameter of the sprayed atomized water particles is 10-20 μ M.
Furthermore, the equipment of the monitoring platform adopts a smart phone, an Ipad or a PC. An operator can check the tunnel concrete curing spraying effect, the spraying operation condition and the like only by using any one of the devices and using corresponding control software, and can also set initial operation parameters to start or close the system operation.
In the implementation of curing, the minimum curing period is 21 days according to the average environmental temperature and humidity in the tunnel when T is more than or equal to 5 ℃ and less than l0 ℃; when T is more than or equal to 10 ℃ and less than 20 ℃, the curing time is 14 days; when T is more than or equal to 20 ℃, the curing time is 10 days. Similarly, according to the change characteristics of the concrete solidification strength, the water spray frequency is more in the beginning of several days, and the later period is gradually reduced. The maintenance frequency of each day can be properly adjusted according to the humidity condition in the hole, but the maintenance interval time needs to be balanced. When the concrete structure is maintained with the mold, the seam of the template is ensured not to be dehydrated and dried.
During curing of the concrete, the internal temperature of the concrete is not more than 60 ℃ and not more than 65 ℃ at most, the difference between the internal temperature of the concrete and the surface temperature and the difference between the surface temperature and the environment temperature are not more than 20 ℃, and the difference between the temperature of curing water and the surface temperature of the concrete is not more than 15 ℃.
The spraying frequency should be kept in a wet state, the water for concrete curing should be the same as the water for mixing, and the water temperature should be substantially the same as the ambient temperature. When the ambient temperature is lower than 5 ℃, spraying is not required.
The above description is only exemplary of the invention, and any modification, equivalent replacement, and improvement made within the spirit and principle of the invention should fall within the protection scope of the invention.
Claims (9)
1. The utility model provides a tunnel concrete intelligence maintenance system which characterized in that: comprises a monitoring platform (1), high-pressure water mist equipment (2), a travelling mechanism (3), a spraying device (4) and a sensing unit (5);
the monitoring platform (1) is in wireless connection with the high-pressure water mist equipment (2) and is used for remotely setting system operation parameters, controlling the opening or closing of system operation and monitoring the temperature and humidity of tunnel concrete and the operation state of the system;
the high-pressure water mist equipment (2) is arranged on the travelling mechanism (3) and is used for generating high-pressure plasma atomized water, controlling a system to spray and receiving sensing information of the sensing unit (5);
the spraying device (4) is an n-shaped pipeline structure matched with the cross section of the tunnel body in shape, and one end of the spraying device is fixedly connected with an atomized water outlet in the side wall of the high-pressure water mist equipment (2) and is used for spraying atomized water to the surface of tunnel concrete;
the high-pressure water mist equipment (2) is in circuit connection with the travelling mechanism (3) and can be controlled to automatically move back and forth along the tunnel direction in a timing mode, so that the spraying device (4) is driven to uniformly spray atomized water on the surface of tunnel concrete.
2. The intelligent maintenance system of tunnel concrete of claim 1, wherein: the high-pressure water mist equipment (2) comprises a high-pressure water mist generator (21), a power device (22), a water storage tank (23), a controller (24) and a wireless communication module (25); the high-pressure water mist generator (21) atomizes water into plasma water mist by adopting ultrasonic waves in a high-pressure state and conveys the plasma water mist to the spraying device (4) for spraying operation; the power device (22) adopts a storage battery to provide a power supply for equipment for water inlet, atomization, spraying and walking; the water storage capacity of the water storage tank (23) is more than 80L, and a water replenishing pipe is connected for replenishing water regularly; the controller (24) receives sensing information of the sensing unit (5) through the wireless communication module (25) and transmits wireless data with the monitoring platform (1).
3. The intelligent maintenance system of tunnel concrete of claim 2, wherein: the spraying device (4) comprises a pipeline bracket (41), a fixed connecting piece (42) and a high-pressure-resistant hose (43); the pipeline bracket (41) is an n-shaped steel pipe, and two fixed connecting pieces (42) which are arranged in a crossed manner are fixedly connected to the middle positions of the steel pipes on the two sides of the pipeline bracket (41); the high-pressure-resistant hose (43) is arranged along the outer side of the pipeline bracket (41) and bundled together, one end of the high-pressure-resistant hose (43) is communicated with an atomized water outlet of the high-pressure water mist equipment (2), and the other end of the high-pressure-resistant hose is closed; and the outer side of the high-pressure resistant hose (43) is communicated with a spray head (44) at intervals of 1 meter, and the spray head (44) faces the surface of the tunnel concrete.
4. The intelligent maintenance system of tunnel concrete of claim 3, wherein: the travelling mechanism (3) comprises a rolling table (31), a servo motor (32) and a steel rail (33); the two steel rails (33) are arranged at the bottom close to one side of the tunnel in parallel along the tunnel direction; the servo motor (32) is arranged at the lower part of the upper cover plate of the rolling table (31) and drives the rolling table (31) to move back and forth along the steel rail (33).
5. The intelligent maintenance system of tunnel concrete of claim 4, wherein: the sensing unit (5) comprises a plurality of temperature sensors, humidity sensors, flow sensors, water quantity sensors, speed sensors and track sensors; the temperature sensor and the humidity sensor can be arranged at proper positions in the tunnel and are used for detecting the temperature and the humidity of the concrete in the tunnel; the flow sensor is arranged in an atomized water outlet pipeline of the high-pressure water mist equipment (2) and is used for detecting the flow of sprayed water mist; the water quantity sensor is arranged in the water storage tank (23) and is used for detecting the water storage quantity; the speed sensor is arranged on the travelling mechanism (3) and is used for detecting the speed of atomized water sprayed during system maintenance; the rail sensors are arranged at two end parts of the steel rail (33) and used for detecting whether the travelling mechanism (3) moves to the tail end on the steel rail (33).
6. The intelligent maintenance system of tunnel concrete of claim 5, wherein: the controller (24) automatically controls the flow, time and interval of atomized water sprayed by the system and the moving speed of spraying operation according to the temperature and humidity of the tunnel concrete acquired in real time; or judging that the water storage amount is less than the minimum water storage amount according to the water storage amount in the water storage tank (23) acquired in real time, and controlling water supplementing equipment to supplement water; or judging that the distance between the travelling mechanism (3) and the two end parts of the steel rail (33) is less than the minimum threshold value according to the distance acquired in real time, and controlling the travelling mechanism (3) to move reversely.
7. The intelligent maintenance system of tunnel concrete of claim 6, wherein: the distance D between the pipeline support (41) and the surface of the tunnel concrete is 0.5-1.5M.
8. The intelligent maintenance system of tunnel concrete of claim 7, wherein: the shape of the water mist sprayed out of the spray head (44) is a fan-shaped structure, the spraying distance is less than 1.5M, and the diameter of the sprayed atomized water particles is 10-20 mu M.
9. The intelligent maintenance system of tunnel concrete according to any one of claims 1 to 8, wherein: the monitoring platform adopts a smart phone, an Ipad or a PC.
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| CN201911029220.6A CN110847934A (en) | 2019-10-28 | 2019-10-28 | Tunnel concrete intelligence maintenance system |
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| CN201911029220.6A CN110847934A (en) | 2019-10-28 | 2019-10-28 | Tunnel concrete intelligence maintenance system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112918367A (en) * | 2021-03-31 | 2021-06-08 | 中交路桥建设有限公司 | Intelligent unmanned control maintenance system and method in tunnel |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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