CN114226189A - Tunnel spraying equipment and spraying method - Google Patents
Tunnel spraying equipment and spraying method Download PDFInfo
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- CN114226189A CN114226189A CN202111573663.9A CN202111573663A CN114226189A CN 114226189 A CN114226189 A CN 114226189A CN 202111573663 A CN202111573663 A CN 202111573663A CN 114226189 A CN114226189 A CN 114226189A
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- 238000005507 spraying Methods 0.000 title claims abstract description 145
- 239000003973 paint Substances 0.000 claims abstract description 15
- 239000007921 spray Substances 0.000 claims description 77
- 230000007246 mechanism Effects 0.000 claims description 71
- 238000000576 coating method Methods 0.000 claims description 51
- 239000011248 coating agent Substances 0.000 claims description 49
- 239000002002 slurry Substances 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims 4
- 230000008569 process Effects 0.000 description 8
- 238000010276 construction Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 241001325280 Tricardia watsonii Species 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
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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
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0431—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation with spray heads moved by robots or articulated arms, e.g. for applying liquid or other fluent material to 3D-surfaces
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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
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
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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
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
- B05D1/38—Successively applying liquids or other fluent materials, e.g. without intermediate treatment with intermediate treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH 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
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Robotics (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to the technical field of paint spraying, and particularly discloses tunnel spraying equipment and a spraying method. The invention also relates to a spraying method, which is used for spraying the inner wall of the tunnel by using the tunnel spraying equipment, so that automatic spraying is realized, the labor cost is low, the spraying is uniform, and the spraying quality is stable.
Description
Technical Field
The invention relates to the technical field of paint spraying, in particular to tunnel spraying equipment and a spraying method.
Background
Along with the development of traffic logistics, the tunnel and the building structure form thereof can meet all-weather traffic logistics, have the outstanding advantages of safety and concealment, convenient and fast path, environmental protection, soil conservation, low carbon, energy conservation and the like, and have very important functions on the water resistance, the fire resistance and the tunnel strength improvement of the tunnel by the technology of spraying various coatings on the inner wall of the tunnel in the construction process of the tunnel. However, most of the spraying construction processes for the inner wall of the tunnel need constructors to carry out manual spraying, and the problems of low spraying efficiency, poor spraying quality and high labor cost exist.
Therefore, a tunnel spraying device and a tunnel spraying method are needed, which can realize automatic spraying of the inner wall of the tunnel, and have the advantages of high spraying efficiency, stable spraying quality and low labor cost.
Disclosure of Invention
The invention aims to provide tunnel spraying equipment and a tunnel spraying method, and aims to solve the problems of low manual spraying efficiency, poor spraying quality and high labor cost in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
in one aspect, the present invention provides a tunnel spray apparatus comprising:
the positioning device comprises a supporting shaft and a driving mechanism, the driving mechanism comprises a first driving mechanism and a second driving mechanism, the first driving mechanism can move the supporting shaft to a target position, and the second driving mechanism can drive the supporting shaft to rotate;
the spraying device comprises a spraying mechanism and a coating supply mechanism, the coating supply mechanism is used for supplying coating to the spraying mechanism, the spraying mechanism is connected with the supporting shaft, and the spraying mechanism sprays the coating to the inner wall of the tunnel;
the control device comprises a driving controller and a spraying controller, the driving controller is electrically connected with the first driving mechanism and the second driving mechanism, and the spraying controller is electrically connected with the spraying device.
Optionally, the spraying mechanism includes scalable arm and spray gun, the spray gun set up in the end of scalable arm, the back shaft can drive scalable arm rotates in the first plane.
Optionally, the coating supply mechanism includes a flexible pipe, a storage tank, and a feed pump, the flexible pipe includes a first hose and a second hose, a first cavity and a second cavity are provided in the storage tank, the first hose is communicated with the first cavity, the second hose is communicated with the second cavity, the ends of the first hose and the second hose are both connected to the spray gun, a first slurry is stored in the first cavity, a second slurry is stored in the second cavity, the feed pump pumps the first slurry and the second slurry into the spray gun, and the first slurry and the second slurry are mixed in the spray gun to form the coating.
Optionally, the paint supply mechanism further includes an air compression pipe and an air pump, the air compression pipe is disposed in the telescopic mechanical arm and is communicated with the spray gun, and air can be pumped into the spray gun through the air pump to spray out the paint.
Optionally, a hydraulic sensor is arranged in the spray gun, the spray controller is electrically connected with the feed pump, the air pump and the hydraulic sensor respectively, the hydraulic sensor is arranged in the spray gun and is used for measuring pressure information in the spray gun and transmitting the pressure information to the spray controller, and the spray controller adjusts the spray speed of the spray gun, the feed speed of the feed pump and the pressure of the air pump according to the pressure information.
Optionally, the control device includes an environment controller, be equipped with humiture and wind speed detection device and air dryer on the tunnel spraying equipment, the environment controller respectively with humiture and wind speed detection device with the air dryer electricity is connected, humiture and wind speed detection device are used for measuring ambient temperature information, ambient humidity information and wind speed information in the tunnel, and will ambient temperature information ambient humidity information with the wind speed information transfer gives the environment controller, the environment controller basis ambient temperature information ambient humidity information with the wind speed information adjusts the power of air dryer.
On the other hand, the invention also provides a spraying method for spraying a coating on the inner wall of the tunnel by using the tunnel spraying equipment in any scheme, wherein the spraying step comprises the following steps:
s100, determining the position of the center of a circle of the tunnel;
s200, moving the supporting shaft of the positioning device to the position of the center of the circle of the tunnel through a first driving device;
s300, driving the support shaft to rotate by a first angle through the second driving device so as to spray a first layer of coating on the inner wall of the tunnel.
Optionally, after the step S300 is completed, positions of other circle centers of the tunnel are determined, and the step S200 and the step S300 are repeated.
Optionally, the step of spraying a coating on the inner wall of the tunnel by the tunnel spraying device further comprises:
s400, after the first layer of coating is dried, repeating the steps from S100 to S300, and spraying a second layer of coating on the inner wall of the tunnel until the thickness of the coating reaches the first thickness.
Optionally, before the tunnel spraying device sprays the coating on the inner wall of the tunnel, the tunnel spraying device includes:
s500: and adjusting the power of the air dryer according to the environmental temperature information, the environmental humidity information and the air speed information in the tunnel, which are measured by the temperature, humidity and air speed detection device.
The invention has the beneficial effects that:
the invention provides a tunnel spraying device and a spraying method, wherein the tunnel spraying device comprises: the automatic spraying device comprises a positioning device, a spraying device and a control device, wherein the positioning device comprises a supporting shaft and a driving mechanism, the driving mechanism comprises a first driving mechanism and a second driving mechanism, the control device controls the first driving mechanism to move the supporting shaft to a target position, the second driving mechanism can drive the supporting shaft to rotate, the spraying device is connected with the supporting shaft, the spraying mechanism sprays paint to the inner wall of a tunnel, automatic spraying is realized through the tunnel spraying equipment, the spraying efficiency is high, and the spraying quality is stable.
The invention also relates to a spraying method, which is used for spraying the inner wall of the tunnel by using the tunnel spraying equipment, so that automatic spraying is realized, the labor cost is low, the spraying is uniform, and the spraying quality is stable.
Drawings
Fig. 1 is a schematic structural view of a tunnel spray apparatus provided in an embodiment of the present invention;
fig. 2 is a schematic diagram of a spraying step of the tunnel spray equipment provided in the embodiment of the present invention.
In the figure:
100. a positioning device; 110. a first drive mechanism; 120. a second drive mechanism; 200. a spraying device; 300. a control device; 310. a drive controller; 320. a spray controller; 330. an environmental controller; 400. a spraying mechanism; 420. a spray gun; 500. a paint supply mechanism; 510. a feed pump; 520. an air pump; 600. and (5) an air dryer.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the construction process of the tunnel, the technology of spraying various coatings on the inner wall of the tunnel plays an important role in the water resistance and fire resistance of the tunnel and the improvement of the strength of the tunnel. However, most of the spraying construction processes for the inner wall of the tunnel need constructors to carry out manual spraying, and the problems of low spraying efficiency, poor spraying quality and high labor cost exist.
For this purpose, the present embodiment provides a tunnel spraying apparatus, which is mainly used for spraying a high polymer coating on the inner wall of a tunnel, and as shown in fig. 1, the tunnel spraying apparatus includes a positioning device 100, a spraying device 200, and a control device 300, wherein the positioning device 100 includes a support shaft and a driving mechanism, the driving mechanism includes a first driving mechanism 110 and a second driving mechanism 120, the first driving mechanism 110 can move the support shaft to a target position, the second driving mechanism 120 can drive the support shaft to rotate, the spraying device 200 includes a spraying mechanism 400 and a coating supply mechanism 500, the coating supply mechanism provides a coating for the spraying mechanism 400, the spraying mechanism 400 is connected with the support shaft, the spraying mechanism 400 sprays the coating on the inner wall of the tunnel, the control device 300 includes a driving controller 310 and a spraying controller 320, the driving controller 310 is electrically connected with the first driving mechanism 110 and the second driving mechanism 120, the spraying controller 320 is electrically connected with the spraying device 200, the driving controller 310 can control the first driving mechanism 110 to drive the axial movement of the support shaft and the movement in a first plane, the first plane is perpendicular to the axis of the support shaft, the driving controller 310 can control the second driving mechanism 120 to drive the support shaft to rotate, the spraying controller 320 can control the spraying device 200 to spray paint to the inner wall of the tunnel, and the specific structural models of the driving controller 310 and the spraying controller 320 belong to the mature technology in the field, and are not described herein again. Through the arrangement of the positioning device 100, the spraying device 200 and the control device 300, the tunnel spraying equipment in the embodiment can realize automatic spraying, and has high spraying efficiency and stable spraying quality.
Further, first actuating mechanism 110 can be portable platform truck, portable platform truck includes the base, elevating gear and install the wheel on the base, elevating gear installs on the base, the back shaft is connected with elevating gear, portable platform truck can remove the back shaft through the wheel and follow the position of tunnel length direction, and can change the position of back shaft in the first plane through elevating gear, thereby position the back shaft in the position of the centre of a circle in three-heart arch tunnel, second actuating mechanism 120 can be the motor, the motor sets up on portable platform truck, positioner 100's back shaft is connected with the output of motor, spraying mechanism 400 fixes on the bracing piece, can drive the back shaft rotation through the motor, thereby spraying mechanism 400 can follow the bracing piece and rotate certain angle.
Optionally, the spraying mechanism 400 in this embodiment includes a telescopic mechanical arm and a spray gun 420, the telescopic mechanical arm includes a plurality of sleeves, the plurality of sleeves are sequentially connected and the inner diameters of the plurality of sleeves decrease sequentially along the direction of the free end thereof, the spray gun 420 is disposed at the end of the free end of the telescopic mechanical arm, and the telescopic movement of the telescopic mechanical arm can be realized through the sleeves, so as to change the distance from the spray gun 420 to the inner wall of the tunnel, so that the distance from the spray gun 420 to the inner wall of the tunnel is maintained within the range of 110cm to 130cm, and uniform spraying is ensured. More preferably, the sleeves can be made of spring pipes, so that the telescopic mechanical arm can also realize all-directional bending motion, the spraying angle of the spray gun 420 can be changed through the bending motion, the spraying process is more flexible, and the spraying effect is good.
The coating supply mechanism 500 comprises a flexible pipe, a storage box and a feeding pump 510, wherein the flexible pipe is arranged in the telescopic mechanical arm and is communicated with the spray gun 420, coating is stored in the storage box, and the feeding pump 510 can pump the coating into the spray gun 420 through the flexible pipe. Optionally, a first containing cavity and a second containing cavity are arranged in the storage tank, first slurry is stored in the first containing cavity, second slurry is stored in the second containing cavity, the flexible pipe comprises a first hose and a second hose, the first hose is communicated with the first containing cavity, the second hose is communicated with the second containing cavity, the tail ends of the first hose and the second hose are both connected with the spray gun 420, the feed pump 510 comprises a first pump body and a second pump body, the first slurry is input into the spray gun 420 through the first pump body, the second slurry is input into the spray gun 420 through the second pump body, the first slurry and the second slurry are mixed in the spray gun 420 to form coating, and the feed ratio of the first pump body to the second pump body is 1: 1. Preferably, the coating material supplying mechanism 500 further includes a heating system, the heating system can heat the first slurry and the second slurry, and the heating power of the heating system is set according to the temperature of the site construction environment, so that the temperature of the first slurry and the second slurry is kept at 35 ℃ to 45 ℃ as much as possible, within this temperature range, the fluidity of the first slurry and the second slurry is good, the pipelines are not easily blocked, and the flow rate is uniform.
Optionally, the paint supplying mechanism 500 further includes an air compression pipe disposed in the mechanical arm and communicating with the spray gun 420, and an air pump 520, wherein air can be pumped into the spray gun 420 by the air pump 520 to spray paint onto the inner wall of the tunnel through the spray gun 420. The spray gun 420 is internally provided with a hydraulic sensor, the spray controller 320 is respectively electrically connected with the feed pump 510, the air pump 520 and the hydraulic sensor, the hydraulic sensor is arranged in the spray gun 420 and used for measuring pressure information in the spray gun 420 and transmitting the pressure information to the spray controller 320, and the spray controller 320 adjusts the injection speed of the spray gun 420, the feed speed of the feed pump 510 and the pressure of the air pump 520 according to the pressure information. Preferably, the pressure in the spray gun 420 is maintained within a pressure range of 12MPa to 14MPa, and the spray controller 320 appropriately decreases the feeding speed of the feeding pump 510 when the pressure exceeds 14MPa and increases the feeding speed of the feeding pump 510 when the pressure is less than 12MPa, based on the pressure information fed back from the pressure sensor.
Continuing to refer to fig. 1, the control device 300 further includes an environment controller 330, a temperature, humidity and wind speed detection device and an air dryer 600 are correspondingly arranged on the tunnel spraying equipment, the environment controller 330 is electrically connected with the temperature, humidity and wind speed detection device and the air dryer 600 respectively, the temperature, humidity and wind speed detection device is used for measuring environment temperature information, environment humidity information and wind speed information in the tunnel and transmitting the environment temperature information, the environment humidity information and the wind speed information to the environment controller 330, and the environment controller 330 adjusts the power of the air dryer 600 according to the environment temperature information, the environment humidity information and the wind speed information. Optionally, the temperature, humidity and wind speed detection device is a thermal anemometer, before spraying on the tunnel spraying equipment, the thermal anemometer is used for detecting environment temperature information, environment humidity information and wind speed information in the tunnel, whether the environment temperature is in a range of 10-35 ℃ is judged through the environment controller 330, whether the environment humidity is less than 85% or not, and whether the wind speed is less than 5m/s or not is judged, when the environment temperature is low and the environment humidity is high, the air dryer 600 is used for blowing air into the tunnel, and the environment controller 330 can control the blowing power of the air dryer 600 until the environment temperature and the environment humidity in the tunnel meet requirements.
The embodiment further provides a spraying method, wherein the tunnel spraying equipment in the above scheme is used to spray a coating on the inner wall of the tunnel, the embodiment takes the spraying process of the inner wall of the three-center arch tunnel as an example, and the three-center arch tunnel comprises three circle centers: the first centre of a circle, the second centre of a circle and the third centre of a circle, wherein, the lateral wall in three-heart arch tunnel includes first region and second region, and first region corresponds first centre of a circle, and the second region corresponds the second centre of a circle, and the bottom in three-heart arch tunnel corresponds the third centre of a circle (the bottom need not the spraying), and its spraying step is shown as figure 2, includes:
s100, determining the position of the first circle center of the tunnel, and when determining the position of the first circle center of the tunnel, determining the position of the first circle center of the tunnel by using a tunnel laser profiler, wherein the tunnel laser profiler can indicate the position of the first circle center.
And S200, moving the support shaft of the positioning device 100 to the position of the first circle center through a first driving device. More preferably, step S200 further includes: and adjusting the length of the telescopic mechanical arm to ensure that the distance between the outlet end of the spray gun 420 and the inner wall of the tunnel is not more than a first preset distance, wherein the range of the first preset distance is 110 cm-130 cm.
S300, driving the support shaft to rotate by a first angle through the second driving device so as to drive the telescopic mechanical arm of the spraying mechanism 400 to rotate to spray a first layer of coating on the first area of the inner wall of the tunnel.
After step S300 is completed, determining a position of a second circle center of the tunnel, continuously determining the position of the second circle center of the tunnel according to the indication time and the sequence set by the tunnel laser profiler, moving the support shaft of the positioning device 100 to the position of the second circle center through the first driving device, and driving the support shaft to rotate by a second angle through the second driving device, so as to drive the telescopic mechanical arm of the spraying mechanism 400 to rotate to spray the first layer of coating on the second area of the inner wall of the tunnel. When the supporting shaft of the spraying device is positioned to the first circle center, the length of the telescopic mechanical arm is adjusted, the telescopic mechanical arm takes the supporting shaft as the circle center, the spray gun at the tail end of the telescopic mechanical arm does circular arc motion, so that the distance between the spray gun and the inner wall of the three-center arch tunnel is constant all the time when the first area is sprayed, after the first area is sprayed, the supporting shaft of the positioning device 100 is moved to the position of the second circle center through the first driving device, the spraying of the second area is carried out, and by analogy, the sectional spraying mode is adopted to ensure that the distance between the outlet of the spray gun and the inner wall of the tunnel is constant, the spraying is very uniform, the spraying quality is good, and the spraying quality of the coating is controllable.
Of course, the spraying equipment in this embodiment is also suitable for spraying a coating on the inner wall of the five-arch tunnel, and the spraying steps are similar to the spraying process, except that: the inner wall of the five-center arch tunnel is sprayed with the coating, the circle centers needing to be positioned comprise four (the bottom of the tunnel does not need to be sprayed), the corresponding spraying areas also comprise four, and the process of spraying the inner wall of the five-center arch tunnel is not repeated herein.
The step of spraying the coating layer on the inner wall of the tunnel by the tunnel spraying equipment further comprises the following steps:
s400, after the first coating is dried, repeating the steps S100 to S300, spraying a second coating on the inner wall of the tunnel, wherein when the first coating is sprayed, the spraying thickness is not easy to be too thick and is generally kept at 1 cm-2 cm, the thickness value of the subsequent second coating is kept at 2 cm-8 cm, after the second coating is dried, a third coating is sprayed, the thickness value of the third coating is kept at 2 cm-8 cm until the thickness of the coating reaches the first thickness, the range of the first thickness is 5 cm-18 cm, and the value of the actual first thickness is specifically determined according to the waterproof, heat-resistant and strength requirements required by the tunnel.
Before the tunnel spraying equipment is to the inner wall spraying coating in tunnel, include:
s500: and detecting and adjusting the ambient temperature and the ambient humidity. The tunnel spraying equipment is correspondingly provided with a thermosensitive anemoscope, the thermosensitive anemoscope detects environment temperature information in the tunnel, environment humidity information and wind speed information, whether the environment temperature is in a range of 10-35 ℃ is judged through the environment controller 330, whether the environment humidity is less than 85%, whether the wind speed is less than 5m/s, when the environment temperature is lower and the environment humidity is higher, the air dryer 600 is used for blowing air in the tunnel, the environment controller 330 can control the blowing power of the air dryer 600, and the environment temperature and the environment humidity in the tunnel meet the requirements.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A tunnel spray coating device, comprising:
the positioning device (100) comprises a supporting shaft and a driving mechanism, wherein the driving mechanism comprises a first driving mechanism (110) and a second driving mechanism (120), the supporting shaft can be moved to a target position by the first driving mechanism (110), and the supporting shaft can be driven to rotate by the second driving mechanism (120);
a spraying device (200), wherein the spraying device (200) comprises a spraying mechanism (400) and a paint supply mechanism (500), the paint supply mechanism provides paint for the spraying mechanism (400), the spraying mechanism (400) is connected with the supporting shaft, and the spraying mechanism (400) sprays the paint to the inner wall of the tunnel;
a control device (300), the control device (300) comprising a drive controller (310) and a spray controller (320), the drive controller (310) being electrically connected to the first drive mechanism (110) and the second drive mechanism (120), the spray controller (320) being electrically connected to the spray device (200).
2. The tunnel spray apparatus of claim 1, wherein the spray mechanism (400) comprises a retractable robot arm and a spray gun (420), the spray gun (420) being disposed at an end of the retractable robot arm, the support shaft being capable of rotating the retractable robot arm in a first plane.
3. The tunnel spraying apparatus of claim 2, wherein the coating material supply mechanism (500) comprises a flexible pipe, a storage tank and a feed pump (510), the flexible pipe comprises a first hose and a second hose, a first cavity and a second cavity are arranged in the storage tank, the first hose is communicated with the first cavity, the second hose is communicated with the second cavity, the tail ends of the first hose and the second hose are connected with the spray gun (420), a first slurry is stored in the first cavity, a second slurry is stored in the second cavity, the feed pump (510) pumps the first slurry and the second slurry into the spray gun (420), and the first slurry and the second slurry are mixed in the spray gun (420) to form the coating material.
4. The tunnel spray equipment of claim 3 wherein the paint supply mechanism (500) further comprises an air compression tube disposed within the retractable arm and in communication with the spray gun (420), and an air pump (520) by which air can be pumped into the spray gun (420) to eject the paint.
5. The tunnel painting equipment of claim 4, wherein a hydraulic sensor is arranged in the spray gun (420), the painting controller (320) is electrically connected with the feed pump (510), the air pump (520) and the hydraulic sensor respectively, the hydraulic sensor is arranged in the spray gun (420) and used for measuring pressure information in the spray gun (420) and transmitting the pressure information to the painting controller (320), and the painting controller (320) adjusts the spraying speed of the spray gun (420) and the feeding speed of the feed pump (510) and the pressure of the air pump (520) according to the pressure information.
6. The tunnel spraying equipment of claim 5, wherein the control device (300) comprises an environment controller (330), the tunnel spraying equipment is provided with a temperature and humidity and wind speed detection device and an air dryer (600), the environment controller (330) is electrically connected with the temperature and humidity and wind speed detection device and the air dryer (600) respectively, the temperature and humidity and wind speed detection device is used for measuring environment temperature information, environment humidity information and wind speed information in the tunnel and transmitting the environment temperature information, the environment humidity information and the wind speed information to the environment controller (330), and the environment controller (330) adjusts the power of the air dryer (600) according to the environment temperature information, the environment humidity information and the wind speed information.
7. A method for coating the inner wall of a tunnel by using the tunnel coating apparatus according to any one of claims 1 to 6, comprising the steps of:
s100, determining the position of the center of a circle of the tunnel;
s200, moving a support shaft of the positioning device (100) to the position of the center of the circle of the tunnel through a first driving device;
s300, driving the support shaft to rotate by a first angle through the second driving device so as to spray a first layer of coating on the inner wall of the tunnel.
8. The spraying method according to claim 7, wherein after the step S300 is completed, the positions of other circle centers of the tunnel are determined, and the steps S200 and S300 are repeated.
9. The method of claim 8, wherein the step of the tunnel spray coating device spraying a coating on the inner wall of the tunnel further comprises:
s400, after the first layer of coating is dried, repeating the steps from S100 to S300, and spraying a second layer of coating on the inner wall of the tunnel until the thickness of the coating reaches the first thickness.
10. The method of claim 9, wherein the tunnel coating device, prior to coating the inner wall of the tunnel, comprises:
s500: and adjusting the power of the air dryer (600) according to the environment temperature information, the environment humidity information and the air speed information in the tunnel, which are measured by the temperature, humidity and air speed detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111573663.9A CN114226189A (en) | 2021-12-21 | 2021-12-21 | Tunnel spraying equipment and spraying method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111573663.9A CN114226189A (en) | 2021-12-21 | 2021-12-21 | Tunnel spraying equipment and spraying method |
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| CN114226189A true CN114226189A (en) | 2022-03-25 |
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| CN202111573663.9A Pending CN114226189A (en) | 2021-12-21 | 2021-12-21 | Tunnel spraying equipment and spraying method |
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| CN216678676U (en) * | 2021-12-21 | 2022-06-07 | 中山大学 | Tunnel spraying equipment |
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