CN115837705A - Concrete spraying and curing device for constructional engineering and control method - Google Patents
Concrete spraying and curing device for constructional engineering and control method Download PDFInfo
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- CN115837705A CN115837705A CN202211684032.9A CN202211684032A CN115837705A CN 115837705 A CN115837705 A CN 115837705A CN 202211684032 A CN202211684032 A CN 202211684032A CN 115837705 A CN115837705 A CN 115837705A
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- 239000007788 liquid Substances 0.000 claims abstract description 54
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Abstract
The invention discloses a concrete spraying maintenance device for constructional engineering and a control method, wherein the spraying maintenance device comprises a spraying base, two sliding seats are arranged on two sides of the top of the spraying base, an installation plate is arranged on each sliding seat, a stepping motor is fixedly installed on each installation plate, the output end of each stepping motor is connected with one end of a coupler in a matched mode, the other end of each coupler is connected with a ball screw in a matched mode, and a screw rod sliding block is connected on each ball screw in a matched mode; fixedly connected with sprays the frame between the lead screw slider of two slides, it is semicircle form to spray the frame, spray and seted up two guide ways on the frame, sliding connection has the leading truck on two guide ways, one side of leading truck is connected with first fixed plate, fixed mounting has the rotating electrical machines on the first fixed plate, the output cooperation of rotating electrical machines is connected with the drive shaft, need not spray the maintenance liquid through the manual work to the concrete column, has realized the automation.
Description
Technical Field
The invention relates to the technical field of constructional engineering equipment, in particular to a concrete spraying and curing device for constructional engineering and a control method.
Background
The concrete is cement concrete which is prepared by using cement as cementing material and sand and stone as aggregate, and mixing them with water according to a certain proportion and stirring them, and can be extensively used in civil engineering and building engineering. After the concrete column is poured, if the weather is hot, the air is dry, the concrete column is not maintained in time, water in the concrete column can be evaporated too fast, the dehydration phenomenon is formed, cement particles which form gel can not be fully hydrated, the cement particles can not be converted into stable crystallization, and the sufficient cohesive force is lacked, so that the cracking phenomenon of the concrete column can be caused, and further the concrete column is caused to lose efficacy. Therefore need spray the maintenance after concrete placement usually, but at the in-process of actual operation, most now regularly spray through the manual work, this can not effectively handle the accuse to the maintenance opportunity that sprays of concrete column, can not make timely reply according to on-the-spot actual conditions to in-process sprays, operating personnel need hold the shower for a long time and operate, spray the position accurate inadequately, and to operating personnel great intensity of labour.
Disclosure of Invention
The invention overcomes the defects of the prior art and provides a concrete spraying and curing device for constructional engineering and a control method.
In order to achieve the aim, the invention adopts the technical scheme that:
the invention discloses a concrete spraying and curing device for constructional engineering, which comprises a spraying base, wherein two sliding seats are arranged on two sides of the top of the spraying base, an installation plate is arranged on each sliding seat, a stepping motor is fixedly installed on each installation plate, the output end of each stepping motor is connected with one end of a coupler in a matched manner, the other end of each coupler is connected with a ball screw in a matched manner, and a screw rod sliding block is connected on each ball screw in a matched manner;
a spray frame is fixedly connected between the screw rod sliding blocks of the two sliding seats, the spray frame is semicircular, two guide grooves are formed in the spray frame, the guide frames are connected to the two guide grooves in a sliding mode, one side of each guide frame is connected with a first fixing plate, a rotating motor is fixedly installed on each first fixing plate, the output end of each rotating motor is connected with a driving shaft in a matching mode, each driving shaft is connected with a driving gear in a matching mode, a gear ring is further arranged on the spray frame, and the driving gears and the gear ring are in meshing transmission;
the other side of the guide frame is provided with a second fixing plate, a CCD camera is fixedly mounted on the second fixing plate, a spraying assembly is further fixedly mounted on the second fixing plate and comprises a pressurizing cavity, an output port of the pressurizing cavity is connected with a spraying pipe in a matched mode, a spraying head is connected on the spraying pipe in a matched mode, the spraying maintenance device further comprises a storage box, maintenance liquid is stored in the storage box, a liquid outlet of the storage box is connected with one end of a liquid supply pipe in a matched mode, and the other end of the liquid supply pipe is connected with an input port of the pressurizing cavity in a matched mode; the liquid supply pipe is made of a soft rubber material;
the storage tank is provided with a pressure pump, and the inside of the storage tank is pressurized through the pressure pump so as to convey the maintenance liquid in the storage tank to the spraying assembly along the liquid supply pipe.
Further, in a preferred embodiment of the present invention, a plurality of sets of supporting mechanisms are disposed in the spraying base, the supporting mechanisms include a first electric telescopic rod and a second electric telescopic rod which are disposed at a predetermined interval, top portions of the first electric telescopic rod and the second electric telescopic rod are both fixedly connected to a supporting base, and the supporting base is provided with a supporting groove.
Further, in a preferred embodiment of the present invention, a first infrared sensor is disposed on the screw rod sliding block, a second infrared sensor is disposed on the guide frame, and the first infrared sensor and the second infrared sensor are interconnected in signal.
Further, in a preferred embodiment of the present invention, the shower pipe is provided with a spraying amount control mechanism, the spraying amount control mechanism is a two-layer structure, and includes a first wall layer and a second wall layer, an air cavity is formed between the first wall layer and the second wall layer, a plurality of elastic supporting members are arranged in the air cavity, and the elastic supporting members are respectively fixedly connected with the first wall layer and the second wall layer to support the first wall layer and the second wall layer.
Further, in a preferred embodiment of the present invention, the spraying amount control mechanism further includes a regulating air pump and a regulating air pipe, one end of the regulating air pipe passes through the first wall layer and is inserted into the air cavity, and the other end of the regulating air pipe is connected to the regulating air pump; and the regulating and controlling air pipe is also provided with an air flow meter which is in signal connection with the regulating and controlling air pump.
The invention also discloses a control method of the concrete spraying and curing device for the constructional engineering, which is applied to any one of the concrete spraying and curing devices for the constructional engineering and comprises the following steps:
acquiring image information of a spraying base through a CCD camera, and acquiring coordinate information of each contour point of the concrete column in the image based on the image information of the spraying base;
dividing the image of the spraying base by taking the coordinate information of each contour point as an edge boundary to obtain image information of the concrete column;
constructing an image recognition model based on a neural network, importing image information of the concrete column into the image recognition model for recognition, judging whether a preset defect exists in an image of the concrete column, and if so, acquiring a characteristic parameter of the preset defect;
judging whether the characteristic parameter is larger than a preset parameter, if so, marking the preset defect as an early warning defect;
shooting and monitoring the early warning defects in a preset time period to obtain a first three-dimensional model and a second three-dimensional model, and determining spraying parameters based on the first three-dimensional model and the second three-dimensional model.
Further, in a preferred embodiment of the present invention, the obtaining of the coordinate information of each contour point of the concrete column in the image based on the image information of the spraying base specifically includes:
acquiring spectral characteristic parameters corresponding to the concrete column from a big data network, establishing a database, and importing the spectral characteristic parameters corresponding to the concrete column into the database to obtain a spectral characteristic database;
importing the spraying base image information into the spectral feature database to extract the actual spectral features of each region in the spraying base image information;
judging whether the actual spectral feature is a preset spectral feature; if so, marking the area corresponding to the actual spectral feature;
and acquiring the contour information of the area corresponding to the actual spectral feature, and generating the coordinate information of each contour point in the area corresponding to the actual spectral feature by taking the preset reference point as a coordinate origin.
Further, in a preferred embodiment of the present invention, the image of the spraying base is segmented by using the coordinate information of each contour point as an edge boundary to obtain image information of the concrete column, specifically:
graying the spraying base image to convert the spraying base image into a gray image;
carrying out noise reduction processing on the gray image by adopting a low-pass filtering method so as to reduce the noise of the image, and carrying out image enhancement processing on the gray image by adopting a high-pass filtering method so as to enhance the definition of the image to obtain a processed gray image;
and performing image segmentation processing on the processed gray image by taking the coordinate information of each contour point as an edge boundary to obtain the image information of the single concrete column.
Further, in a preferred embodiment of the present invention, an image recognition model is constructed based on a neural network, image information of the concrete column is imported into the image recognition model for recognition, whether a preset defect exists in the image of the concrete column is determined, and if the preset defect exists, a characteristic parameter of the preset defect is obtained, specifically:
constructing an image recognition model based on a neural network, and importing a preset image sample into the image recognition model for training to obtain a trained image recognition model;
importing the image information of the concrete column into the trained image recognition model for recognition so as to recognize whether a preset defect exists in the concrete column;
and if the concrete column has the preset defect, extracting the characteristic parameter of the preset defect.
Further, in a preferred embodiment of the present invention, the early warning defect is photographed and monitored within a preset time period to obtain a first three-dimensional model and a second three-dimensional model, and the spraying parameters are determined based on the first three-dimensional model and the second three-dimensional model, specifically:
acquiring image information of the early warning defect through a CCD camera within a preset time period, preprocessing the image of the early warning defect, and obtaining discrete characteristic points through characteristic point matching;
obtaining coordinate values of the discrete feature points, and generating three-dimensional cloud data of the discrete points according to the coordinate values of the discrete feature points;
performing dense extraction on the discrete point three-dimensional cloud data to obtain dense three-dimensional point cloud data, generating a plurality of curved surfaces according to the dense three-dimensional point cloud data, and generating a first three-dimensional model and a second three-dimensional model according to the curved surfaces;
comparing the first three-dimensional model with the second three-dimensional model to obtain model deviation; obtaining the expansion rate of the early warning defect based on the model deviation;
and acquiring the spraying parameters corresponding to the expansion rate through a big data network, and transmitting the spraying parameters to a control terminal.
The invention solves the technical defects in the background technology, and has the following beneficial effects: the concrete column can be prevented from further cracking, so that the mechanical property of the concrete column is ensured, the specific area of the concrete column is sprayed and maintained in a targeted manner, the accurate spraying and maintaining function is realized, the maintenance liquid can be saved to a great extent, the maintenance cost is reduced, and the economic benefit is improved. The automatic process of spraying the curing liquid to the concrete column is realized, the curing liquid does not need to be sprayed to the concrete column manually, and the automation is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings of the embodiments can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a first three-dimensional structure of the spray curing device;
FIG. 2 is a schematic view of a second three-dimensional structure of the present spray maintenance device;
FIG. 3 is a third perspective view of the present spray maintenance device;
FIG. 4 is a schematic view of a spray base structure;
FIG. 5 is a schematic view of a spray rack structure;
FIG. 6 is an enlarged view of the structure at A-A in FIG. 5;
FIG. 7 is a schematic view of the structure of the guide groove;
FIG. 8 is a schematic view of the structure of the guide frame;
FIG. 9 is a schematic sectional view of a spray level control mechanism;
the reference numerals are explained below: 101. a spray base; 102. a slide base; 103. mounting a plate; 104. a stepping motor; 105. a coupling; 106. a ball screw; 107. a screw rod slide block; 108. a spray rack; 109. a guide groove; 201. a guide frame; 202. a first fixing plate; 203. a rotating electric machine; 204. a drive shaft; 205. a drive gear; 206. a toothed ring; 207. a second fixing plate; 208. a CCD camera; 209. a pressurization cavity; 301. a shower pipe; 302. a shower head; 303. a storage tank; 304. a liquid supply tube; 305. a pressure pump; 306. a first electric telescopic rod; 307. a second electric telescopic rod; 308. a supporting seat; 309. a support groove; 401. a spray amount control mechanism; 402. a first wall layer; 403. a second wall layer; 404. an air chamber; 405. an elastic support member; 406. regulating and controlling the air pump; 407. regulating and controlling the trachea; 408. a concrete column.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description, wherein the drawings are simplified schematic drawings and only the basic structure of the present invention is illustrated schematically, so that only the structure related to the present invention is shown, and it is to be noted that the embodiments and features of the embodiments in the present application can be combined with each other without conflict.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. 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 or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the present application, it is to 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 meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
As shown in fig. 1, 2 and 3, the invention discloses a concrete spraying maintenance device for building engineering, which comprises a spraying base 101, wherein two sliding seats 102 are arranged on two sides of the top of the spraying base 101, an installation plate 103 is arranged on each sliding seat 102, a stepping motor 104 is fixedly installed on each installation plate 103, the output end of each stepping motor 104 is connected with one end of a coupler 105 in a matched manner, the other end of each coupler 105 is connected with a ball screw 106 in a matched manner, and a screw slider 107 is connected to each ball screw 106 in a matched manner.
It should be noted that the image information of the concrete is obtained by the CCD camera 208, and then it is determined whether a preset defect exists in the concrete column 408 according to the image information, where the preset defect is a crack; if the preset defect exists, judging whether the characteristic parameters of the defect are overlarge, wherein the characteristic parameters comprise crack length, crack width, crack depth and the like; if the characteristic parameters of the defect are overlarge, marking the defect as an early warning defect, and acquiring the position area information of the defect; continuously shooting and monitoring the early warning defect through the CCD camera 208 within a preset time period to obtain a first three-dimensional model and a second three-dimensional model, and determining a spraying parameter based on the first three-dimensional model and the second three-dimensional model; after determining the spraying parameters, the control terminal controls the spraying assembly to spray the maintenance liquid to the area position of the early warning defect according to the spraying parameters, cracks can be prevented from further cracking, the mechanical property of the concrete column 408 is ensured, the specific area of the concrete column 408 is sprayed and maintained in a targeted manner, the accurate spraying and maintenance function is realized, the maintenance liquid can be saved to a great extent, the maintenance cost is reduced, and the economic benefit is improved.
It should be noted that, when curing liquid needs to be sprayed to a specific area of the concrete, first, the driving stepping motor 104 is started, so that the stepping motor 104 drives the coupler 105 to rotate, thereby driving the ball screw 106 to rotate, thereby enabling the screw slider 107 to slide back and forth along the ball screw 106, and thus, by controlling the stepping motor 104 to regularly perform forward rotation or reverse rotation motion, the screw slider 107 can perform reciprocating motion along the ball screw 106, thereby driving the spray head 302 to perform reciprocating motion along the length direction of the concrete column 408, thereby driving the spray head 302 to a specific length direction position of the concrete column 408, so as to spray curing liquid to the early warning defect position area of the concrete column 408 through the spray head 302, and prevent the concrete column 408 from further cracking.
As shown in fig. 4, 5, 6, 7, and 8, the spray rack 108 is fixedly connected between the screw rod sliding blocks 107 of the two sliding bases 102, the spray rack 108 is semicircular, the two guide grooves 109 are formed in the spray rack 108, the guide rack 201 is slidably connected to the two guide grooves 109, one side of the guide rack 201 is connected to the first fixing plate 202, the first fixing plate 202 is fixedly provided with the rotating motor 203, the output end of the rotating motor 203 is connected to the driving shaft 204 in a matching manner, the driving shaft 204 is connected to the driving gear 205 in a matching manner, the spray rack 108 is further provided with the toothed ring 206, and the driving gear 205 is in meshing transmission with the toothed ring 206.
It should be noted that the gear ring 206 is also semicircular, and a plurality of teeth are formed on the outer surface of the gear ring along the length direction, and the teeth on the gear ring 206 are engaged with the teeth on the driving gear 205.
It should be noted that, after the shower head 302 is driven to a specific length direction position of the concrete column 408 by the stepping motor 104, the rotating motor 203 is controlled to start, the driving shaft 204 is driven to rotate by the rotating motor 203, so as to drive the driving gear 205 to rotate, and because the driving gear 205 is in meshing transmission with the gear ring 206, the driving gear 205 can roll along the gear ring 206, the guide frame 201 can be driven to slide along the guide groove 109 by the driving gear 205, so as to drive the shower head 302 to slide along the shower frame 108, so as to enable the shower head 302 to move around the circumference of the concrete column 408, so as to enable the shower head 302 to spray the maintenance liquid to the side of the concrete column 408, and thus, even if the position of the early warning defect is located at the side of the concrete column 408, the shower head 302 can spray the maintenance liquid accurate to the early warning defect, further improve the maintenance accuracy, and further save the maintenance liquid.
It should be noted that two guide slots 109 are provided to improve the supporting and guiding performance of the guide frame 201; the shape of the guide groove 109 is in a shape of a Chinese character 'tu', the bottom of the guide frame 201 is provided with a guide block in a shape of a Chinese character 'tu', the guide block is embedded into the guide groove 109, and the guide frame 201 can smoothly slide along the guide groove 109 through the embedding structure in a shape of a Chinese character 'tu', so that a guide effect is achieved; on the other hand, the guide frame 201 can be prevented from sliding out of the guide groove 109, and the driving gear 205 can be ensured to be always meshed with the gear ring 206, so that a limiting effect is achieved.
As shown in fig. 4, a second fixing plate 207 is disposed on the other side of the guide frame 201, the CCD camera 208 is fixedly mounted on the second fixing plate 207, a spraying assembly is further fixedly mounted on the second fixing plate 207, the spraying assembly includes a pressurizing cavity 209, an output port of the pressurizing cavity 209 is connected with a spraying pipe 301 in a matching manner, the spraying pipe 301 is connected with a spraying head 302 in a matching manner, the spraying maintenance device further includes a storage box 303, maintenance liquid is stored in the storage box 303, a liquid outlet of the storage box 303 is connected with one end of a liquid supply pipe 304 in a matching manner, and the other end of the liquid supply pipe 304 is connected with an input port of the pressurizing cavity 209 in a matching manner; the supply tube 304 is made of a soft rubber material.
The storage tank 303 is provided with a pressure pump 305, and the interior of the storage tank 303 is pressurized by the pressure pump 305, so that the curing liquid in the storage tank 303 is conveyed to the spraying assembly along the liquid supply pipe 304.
It should be noted that, after the shower head 302 is driven to a proper position by the stepping motor 104 and the rotating motor 203, the pressure pump 305 is controlled to start, so that the pressure pump 305 pressurizes the storage tank 303, the curing liquid stored inside the storage tank 303 is squeezed out of the liquid supply pipe 304 under the action of air pressure, and then flows into the pressurizing cavity 209 along the liquid supply pipe 304, and the curing liquid is further mixed and pressurized in the pressurizing cavity 209, so that the mixing effect of the curing liquid is improved, then the curing liquid is squeezed into the shower pipe 301, and then flows into the shower head 302 along the shower pipe 301, and after the curing liquid is atomized in the shower head 302, the mist liquid is formed and sprayed out, so that the curing liquid is sprayed into a specific area of the concrete column 408, thereby realizing the process of automatically spraying the curing liquid to the concrete column 408, without manually spraying the curing liquid to the concrete column 408, and realizing automation.
It should be noted that the spraying maintenance device includes two functional modes of intelligent maintenance and overall maintenance, the intelligent maintenance is a function of precisely maintaining a specific area of the concrete column 408, and the implementation process of the intelligent maintenance is described in detail above. Even the function of whole concrete column 408 spraying maintenance liquid is maintained in whole, specifically, through controlling step motor 104, rotating electrical machines 203 and spray assembly according to predetermineeing the program drive, can make shower head 302 remove according to predetermineeing the route to carry out spraying maintenance liquid through shower head 302 to whole concrete column 408, thereby can realize the function to whole concrete column 408 spraying maintenance. The user can select corresponding maintenance mode according to actual need, and the practicality is better.
The spraying base 101 is internally provided with a plurality of groups of supporting mechanisms, each supporting mechanism comprises a first electric telescopic rod 306 and a second electric telescopic rod 307 which are arranged at preset intervals, the tops of the first electric telescopic rods 306 and the second electric telescopic rods 307 are fixedly connected with supporting seats 308, and supporting grooves 309 are formed in the supporting seats 308.
It should be noted that the support mechanisms are used for supporting the concrete columns 408, and multiple sets of support mechanisms may be provided to perform spraying maintenance on multiple concrete columns 408 at the same time. The concrete column 408 may be placed on the support mechanism by a manual or feeding robot to support the concrete column 408 through the support mechanism. Specifically, two ends of the concrete column 408 are respectively placed on the support grooves 309 of the same group of support mechanisms, the concrete column 408 can be supported through the support grooves 309, and the distance between the concrete and the spray head 302 can be adjusted by controlling the first electric telescopic rod 306 and the second electric telescopic rod 307 to lift, so that the effective spray range of the spray head 302 is adjusted, specifically, if the spray range of the curing liquid sprayed on the concrete column 408 needs to be enlarged, the control terminal controls the first electric telescopic rod 306 and the second electric telescopic rod 307 to contract, so that the relative distance between the concrete column 408 and the spray head 302 is enlarged, and thus, the effective range of the curing liquid sprayed on the concrete column 408 by the spray head 302 is enlarged; similarly, if the spraying range of the curing liquid sprayed on the concrete column 408 needs to be reduced, the control terminal controls the first electric telescopic rod 306 and the second electric telescopic rod 307 to extend, so that the relative distance between the concrete column 408 and the spraying head 302 is reduced, and thus, the effective range of the curing liquid sprayed from the spraying head 302 on the concrete column 408 is reduced. To sum up, can support concrete column 408 through the supporting mechanism is step-by-step, can also adjust the effective range that the maintenance liquid sprayed and act on concrete column 408 to make this device can adjust the scope that sprays of maintenance liquid, improve the diversification.
The lead screw slider 107 is provided with a first infrared sensor, the guide frame 201 is provided with a second infrared sensor, and the first infrared sensor is in signal interconnection with the second infrared sensor.
It should be noted that, within a preset time period, the position information of the screw slider 107 may be detected and fed back by the first infrared sensor, so as to obtain a first displacement deviation, determine whether the first displacement deviation is greater than the preset deviation, and if so, generate deviation correction information, thereby controlling the stepping motor 104 to correct the position of the screw slider 107. Similarly, the position information of the guide frame 201 can be detected and fed back through the second infrared sensor within a preset time period to obtain a second displacement deviation, whether the second displacement deviation is larger than the preset deviation or not is judged, and if the second displacement deviation is larger than the preset deviation, deviation correction information is also generated, so that the rotating motor 203 is controlled to correct the position of the guide frame 201. Thus, after the control deviation occurs between the screw rod sliding block 107 and the guide frame 201, the control terminal can correct in time, so that the control error of the spray head 302 is avoided, the condition that the spray position of the spray head 302 is inaccurate is avoided, the spray precision of the spray head 302 is ensured, the region with cracks can be accurately sprayed, and the maintenance precision is improved.
As shown in fig. 9, a spraying amount control mechanism 401 is disposed on the spraying pipe 301, the spraying amount control mechanism 401 is a double-layer structure, and includes a first wall layer 402 and a second wall layer 403, an air cavity 404 is formed between the first wall layer 402 and the second wall layer 403, a plurality of elastic supporting members 405 are disposed in the air cavity 404, and the elastic supporting members 405 are respectively fixedly connected to the first wall layer 402 and the second wall layer 403 to support the first wall layer 402 and the second wall layer 403. Note that the first wall layer 402 is made of a hard material, and the second wall layer 403 is made of a soft elastic material. The elastic support 405 may be a telescopic rod, an elastic spring, or the like.
The spraying amount control mechanism 401 further comprises a regulation air pump 406 and a regulation air pipe 407, wherein one end of the regulation air pipe 407 penetrates through the first wall layer 402 and is inserted into the air cavity 404, and the other end of the regulation air pipe 407 is connected with the regulation air pump 406; the regulating air pipe 407 is further provided with a gas flow meter, and the gas flow meter is in signal connection with the regulating air pump 406.
It should be noted that the spraying amount of the curing liquid in unit time can be controlled by the spraying amount control mechanism 401, so that the control terminal can perform quantitative spraying according to early warning defects with different extension rates. Specifically, when the spraying amount of the shower head 302 in a unit time needs to be reduced, the control air pump 406 is started, so that the air in a unit volume is pumped into the air cavity 404 from the outside through the control air pump 406 along the control air pipe 407, after the outside air in a unit volume is pumped into the air cavity 404, the air amount in the air cavity 404 is increased, at this time, the second wall layer 403 with elasticity contracts towards the side away from the second wall layer 403, at this time, the effective cross-sectional area enclosed between the second wall layers 403 is reduced, at this time, the flow rate of the curing liquid capable of flowing through the shower pipe 301 in a unit time is reduced, at this time, the spraying amount of the shower head 302 in a unit time is reduced, and thus the function of reducing the spraying amount of the shower head 302 is realized. On the contrary, when the spraying amount of the shower head 302 in the unit time needs to be increased, the adjusting air pump 406 is also started, so that the air in the unit volume air chamber 404 is pumped to the outside through the adjusting air pump 406, after the air in the unit volume air chamber 404 is pumped to the outside, the air amount in the air chamber 404 is reduced, the second wall layer 403 with elasticity expands to the side close to the second wall layer 403, the effective cross-sectional area enclosed by the second wall layers 403 is increased, the flow of the curing liquid capable of flowing through the shower pipe 301 in the unit time is increased, the spraying amount of the shower head 302 in the unit time is increased, and the function of increasing the spraying amount of the shower head 302 is realized. In this way, the spraying amount of the spray header 302 in unit time can be controlled by the spraying amount control mechanism 401, so that when the concrete column 408 is sprayed and cured, the spray header 302 can spray and cure different cracks according to specific spraying parameters according to the propagation rates of the cracks, and further the spraying and curing effect is improved.
It should be noted that a gas flow meter is disposed on the control gas pipe 407, and the gas flow meter is in signal connection with the control gas pump 406. In the process of controlling the outside air to be pumped into the air cavity 404 or pumping the air in the air cavity 404 to the outside through the regulation and control air pump 406, the volume value of the air pumped by the regulation and control air pump 406 can be detected and fed back through the gas flowmeter, so that the air can be accurately pumped by the regulation and control air pump 406, and the regulation and control precision of the spraying amount control mechanism 401 is improved.
The invention also discloses a control method of the concrete spraying and curing device for the constructional engineering, which is applied to any one of the concrete spraying and curing devices for the constructional engineering and comprises the following steps:
acquiring image information of a spraying base through a CCD camera, and acquiring coordinate information of each contour point of the concrete column in the image based on the image information of the spraying base;
dividing the image of the spraying base by taking the coordinate information of each contour point as an edge boundary to obtain image information of the concrete column;
constructing an image recognition model based on a neural network, importing image information of the concrete column into the image recognition model for recognition, judging whether a preset defect exists in an image of the concrete column, and if so, acquiring a characteristic parameter of the preset defect;
judging whether the characteristic parameter is larger than a preset parameter, if so, marking the preset defect as an early warning defect;
shooting and monitoring the early warning defects in a preset time period to obtain a first three-dimensional model and a second three-dimensional model, and determining spraying parameters based on the first three-dimensional model and the second three-dimensional model.
It should be noted that the image information of the spray base includes an overall image of the spray base and an image of a concrete column supported on the spray base. The preset defects are crack defects on the concrete column, and the characteristic parameters comprise crack length, crack width, crack depth and the like. If the characteristic parameters of the cracks in the concrete column are greater than the preset parameters, it can be stated that the cracks with a large risk coefficient exist in the concrete column, and the cracks may further extend and crack in a dry and high-temperature environment, so that the concrete column fails, and at this time, the crack defects need to be marked as early warning defects, so as to further monitor the crack defects, and thus, corresponding spraying parameters are worked out.
Further, in a preferred embodiment of the present invention, the obtaining of the coordinate information of each contour point of the concrete column in the image based on the image information of the spraying base specifically includes:
acquiring spectral characteristic parameters corresponding to the concrete column from a big data network, establishing a database, and importing the spectral characteristic parameters corresponding to the concrete column into the database to obtain a spectral characteristic database;
importing the spraying base image information into the spectral feature database to extract the actual spectral features of each region in the spraying base image information;
judging whether the actual spectral feature is a preset spectral feature; if so, marking the area corresponding to the actual spectral feature;
and acquiring the contour information of the area corresponding to the actual spectral feature, and generating the coordinate information of each contour point in the area corresponding to the actual spectral feature by taking the preset reference point as a coordinate origin.
The preset reference point is set in the spraying base, and the reference point is set by a designer in advance, such as a corner point or a central point of the spraying base.
It should be noted that, due to different materials, the corresponding spectral features are different, for example, the spectral features corresponding to the concrete column, the spray base, and the support groove are different, each region of the spray base image is identified by using the distinguishing feature, if the actual spectral feature of a certain region is the preset spectral feature, it can be stated that the region is the region where the concrete column is located, at this time, the profile information of the region corresponding to the actual spectral feature is obtained, and the preset reference point is used as the origin of coordinates, and the control terminal generates the coordinate information of each profile point in the region corresponding to the actual spectral feature. Thereby obtaining the outline coordinate information of the concrete column in the image.
Further, in a preferred embodiment of the present invention, the image of the spraying base is segmented by using the coordinate information of each contour point as an edge boundary to obtain image information of the concrete column, specifically:
graying the spraying base image to convert the spraying base image into a gray image;
carrying out noise reduction processing on the gray image by adopting a low-pass filtering method so as to reduce the noise of the image, and carrying out image enhancement processing on the gray image by adopting a high-pass filtering method so as to enhance the definition of the image to obtain a processed gray image;
and performing image segmentation processing on the processed gray image by taking the coordinate information of each contour point as an edge boundary to obtain the image information of the single concrete column.
The image processing method includes performing image processing on the shower base image by using an image method such as a graying processing method, a low-pass filtering processing method, a high-pass filtering processing method, or the like to obtain a processed gray image, and performing image segmentation processing on the processed gray image by using coordinate information of each contour point as an edge boundary to obtain image information of an individual concrete column.
Further, in a preferred embodiment of the present invention, an image recognition model is constructed based on a neural network, image information of the concrete column is imported into the image recognition model for recognition, whether a preset defect exists in the image of the concrete column is determined, and if the preset defect exists, a characteristic parameter of the preset defect is obtained, specifically:
constructing an image recognition model based on a neural network, and importing a preset image sample into the image recognition model for training to obtain a trained image recognition model;
importing the image information of the concrete column into the trained image recognition model for recognition so as to recognize whether a preset defect exists in the concrete column;
and if the concrete column has the preset defect, extracting the characteristic parameter of the preset defect.
It should be noted that the preset image samples include image samples of various types of cracks, the image samples may be continuously collected and obtained in actual production, and may also be obtained through a big data network, and the preset image samples indicate types of cracks that may occur in the concrete column during the curing process. After a preset image sample is obtained, an image recognition model is built based on a neural network, the preset image sample is led into the image recognition model to be trained, the trained image recognition model is obtained, whether a preset defect exists in the concrete column or not is rapidly recognized through the method, and if the preset defect exists, characteristic parameters of the preset defect are extracted.
Further, in a preferred embodiment of the present invention, the early warning defect is photographed and monitored within a preset time period to obtain a first three-dimensional model and a second three-dimensional model, and the spraying parameters are determined based on the first three-dimensional model and the second three-dimensional model, specifically:
acquiring image information of the early warning defect through a CCD camera within a preset time period, preprocessing the image of the early warning defect, and obtaining discrete characteristic points through characteristic point matching;
obtaining coordinate values of the discrete feature points, and generating three-dimensional cloud data of the discrete points according to the coordinate values of the discrete feature points;
carrying out dense extraction on the discrete point three-dimensional cloud data to obtain dense three-dimensional point cloud data, generating a plurality of curved surfaces according to the dense three-dimensional point cloud data, and generating a first three-dimensional model and a second three-dimensional model according to the curved surfaces;
comparing the first three-dimensional model with the second three-dimensional model to obtain a model deviation; obtaining the expansion rate of the early warning defect based on the model deviation;
and acquiring the spraying parameters corresponding to the expansion rate through a big data network, and transmitting the spraying parameters to a control terminal.
It should be noted that the spraying parameters include a spraying speed, a spraying amount, a spraying range, and the like.
It should be noted that, if the characteristic parameter of the crack in the concrete column is greater than the preset parameter, it may be stated that the crack with a relatively large risk coefficient exists in the concrete column, and the crack may further extend and crack in a dry and high-temperature environment, so as to cause the concrete column to fail, and at this time, the crack defect needs to be marked as an early warning defect. When a certain crack in the concrete column is marked as an early warning defect, acquiring image information of the early warning defect through a CCD camera within a preset time period; processing the image with the early warning defect by methods such as a linear filter, a median filter, a morphological filter and the like; then, carrying out layered convolution and pooling on the discrete feature points through a convolution neural network so as to complete feature extraction on the image information and obtain a plurality of crack feature curved surfaces; then based on the characteristic curved surfaces, utilizing three-dimensional modeling software such as Solidworks, UG, proe and the like to establish a first three-dimensional model and a second three-dimensional model, wherein the first three-dimensional model represents three-dimensional information of the crack at the starting time point in a preset time period; the second three-dimensional model represents three-dimensional information of the crack at the end time point in a preset time period. Then comparing the first three-dimensional model with the second three-dimensional model in three-dimensional modeling software, so as to obtain model deviations of the two models in each preset area; according to the obtained model deviation, the expansion rate of the crack in the preset time period can be obtained; and then, acquiring the spraying parameters corresponding to the expansion rate from the big data network, and then controlling the spraying assembly to spray and maintain the early warning defect position area on the concrete column by using the spraying parameters, so that the early warning defect can be effectively prevented from further cracking, the mechanical property failure of the concrete column can be effectively prevented, and the rejection rate is reduced.
In addition, the method also comprises the following steps:
acquiring image information of early warning defects in the concrete column after spray maintenance through a CCD camera, obtaining dense three-dimensional coordinate points of the early warning defects based on the image information of the early warning defects in the concrete column after spray maintenance, and establishing a curved surface based on the dense three-dimensional coordinate points;
establishing a three-dimensional model diagram of the early warning defect after spray maintenance based on the curved surface;
comparing the three-dimensional model graph of the early warning defect after the spraying maintenance with a second three-dimensional model to obtain a deviation rate;
judging whether the deviation rate is greater than a preset deviation rate threshold value or not;
and if so, controlling the spraying assembly to continuously spray and maintain the early warning defect.
The method comprises the steps of acquiring image information of early warning defects in a concrete column after spray maintenance by using a CCD camera, extracting characteristic points of the early warning defects in the concrete column after spray maintenance in a denoising and image enhancement mode, and the like, and establishing a curved surface according to the characteristic points, wherein the established curved surface and a three-dimensional model map of the early warning defects after spray maintenance can be established by using three-dimensional modeling software, and then the three-dimensional model map of the early warning defects after spray maintenance is compared with a second three-dimensional model by using the three-dimensional modeling software; if the deviation rate is still greater than the preset deviation rate threshold, it can be stated that the early warning defect is still cracking, and the early warning defect needs to be continuously subjected to spray maintenance at this time.
While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a concrete that building engineering used sprays curing means which characterized in that: the spraying maintenance device comprises a spraying base, two sliding seats are arranged on two sides of the top of the spraying base, an installation plate is arranged on each sliding seat, a stepping motor is fixedly installed on each installation plate, the output end of each stepping motor is connected with one end of a coupler in a matched mode, the other end of each coupler is connected with a ball screw in a matched mode, and a screw rod sliding block is connected to each ball screw in a matched mode;
a spray frame is fixedly connected between the screw rod sliding blocks of the two sliding seats, the spray frame is semicircular, two guide grooves are formed in the spray frame, the guide frames are connected to the two guide grooves in a sliding mode, one side of each guide frame is connected with a first fixing plate, a rotating motor is fixedly installed on each first fixing plate, the output end of each rotating motor is connected with a driving shaft in a matching mode, each driving shaft is connected with a driving gear in a matching mode, a gear ring is further arranged on the spray frame, and the driving gears and the gear ring are in meshing transmission;
the other side of the guide frame is provided with a second fixing plate, a CCD camera is fixedly mounted on the second fixing plate, a spraying assembly is further fixedly mounted on the second fixing plate and comprises a pressurizing cavity, an output port of the pressurizing cavity is connected with a spraying pipe in a matched mode, a spraying head is connected on the spraying pipe in a matched mode, the spraying maintenance device further comprises a storage box, maintenance liquid is stored in the storage box, a liquid outlet of the storage box is connected with one end of a liquid supply pipe in a matched mode, and the other end of the liquid supply pipe is connected with an input port of the pressurizing cavity in a matched mode; the liquid supply pipe is made of a soft rubber material;
the storage tank is provided with a pressure pump, and the inside of the storage tank is pressurized through the pressure pump so as to convey the maintenance liquid in the storage tank to the spraying assembly along the liquid supply pipe.
2. The concrete spray curing device for construction engineering according to claim 1, characterized in that: the spraying base is internally provided with a plurality of groups of supporting mechanisms, each supporting mechanism comprises a first electric telescopic rod and a second electric telescopic rod which are arranged at preset intervals, the tops of the first electric telescopic rods and the second electric telescopic rods are fixedly connected with supporting seats, and supporting grooves are formed in the supporting seats.
3. The concrete spray curing device for construction engineering according to claim 1, characterized in that: the lead screw slider is provided with a first infrared sensor, the guide frame is provided with a second infrared sensor, and the first infrared sensor is in signal interconnection with the second infrared sensor.
4. The concrete spray curing device for construction engineering according to claim 1, characterized in that: the spraying pipe is provided with a spraying amount control mechanism which is of a double-layer structure and comprises a first wall layer and a second wall layer, an air cavity is formed between the first wall layer and the second wall layer, a plurality of elastic supporting pieces are arranged in the air cavity, and the elastic supporting pieces are fixedly connected with the first wall layer and the second wall layer respectively so as to support the first wall layer and the second wall layer.
5. The concrete spray curing device for construction engineering according to claim 4, wherein: the spraying amount control mechanism further comprises a regulation air pump and a regulation air pipe, one end of the regulation air pipe penetrates through the first wall layer to be inserted into the air cavity, and the other end of the regulation air pipe is connected with the regulation air pump; and the regulating and controlling air pipe is also provided with an air flow meter which is in signal connection with the regulating and controlling air pump.
6. A control method of a concrete spray maintenance device for constructional engineering, which is applied to the concrete spray maintenance device for constructional engineering of any one of claims 1 to 5, is characterized by comprising the following steps:
acquiring image information of a spraying base through a CCD camera, and acquiring coordinate information of each contour point of the concrete column in the image based on the image information of the spraying base;
dividing the image of the spraying base by taking the coordinate information of each contour point as an edge boundary to obtain image information of the concrete column;
constructing an image recognition model based on a neural network, importing image information of the concrete column into the image recognition model for recognition, judging whether a preset defect exists in an image of the concrete column, and if so, acquiring a characteristic parameter of the preset defect;
judging whether the characteristic parameter is larger than a preset parameter, if so, marking the preset defect as an early warning defect;
shooting and monitoring the early warning defects in a preset time period to obtain a first three-dimensional model and a second three-dimensional model, and determining spraying parameters based on the first three-dimensional model and the second three-dimensional model.
7. The control method of the concrete spraying maintenance device for the constructional engineering as claimed in claim 6, wherein the coordinate information of each contour point of the concrete column in the image is obtained based on the image information of the spraying base, and specifically comprises:
acquiring spectral characteristic parameters corresponding to the concrete column from a big data network, establishing a database, and importing the spectral characteristic parameters corresponding to the concrete column into the database to obtain a spectral characteristic database;
importing the spraying base image information into the spectral feature database to extract the actual spectral features of each region in the spraying base image information;
judging whether the actual spectral characteristics are preset spectral characteristics or not; if so, marking the area corresponding to the actual spectral feature;
and acquiring the contour information of the area corresponding to the actual spectral feature, and generating the coordinate information of each contour point in the area corresponding to the actual spectral feature by taking the preset reference point as a coordinate origin.
8. The control method of the concrete spraying maintenance device for the constructional engineering as claimed in claim 6, wherein the image of the spraying base is segmented by taking the coordinate information of each contour point as an edge boundary to obtain the image information of the concrete column, and the method specifically comprises the following steps:
graying the spraying base image to convert the spraying base image into a gray image;
carrying out noise reduction processing on the gray image by adopting a low-pass filtering method so as to reduce the noise of the image, and carrying out image enhancement processing on the gray image by adopting a high-pass filtering method so as to enhance the definition of the image to obtain a processed gray image;
and performing image segmentation processing on the processed gray image by taking the coordinate information of each contour point as an edge boundary to obtain the image information of the single concrete column.
9. The control method of the concrete spraying maintenance device for the constructional engineering as claimed in claim 6, wherein an image recognition model is constructed based on a neural network, the image recognition model is constructed based on the neural network, the image information of the concrete column is imported into the image recognition model for recognition, whether a preset defect exists in the image of the concrete column is judged, if so, the characteristic parameters of the preset defect are obtained, and the method specifically comprises the following steps:
constructing an image recognition model based on a neural network, and importing a preset image sample into the image recognition model for training to obtain a trained image recognition model;
importing the image information of the concrete column into the trained image recognition model for recognition so as to recognize whether a preset defect exists in the concrete column;
and if the concrete column has the preset defect, extracting the characteristic parameter of the preset defect.
10. The control method of the concrete spraying maintenance device for the building engineering according to claim 6, characterized in that the early warning defect is shot and monitored within a preset time period to obtain a first three-dimensional model and a second three-dimensional model, and the spraying parameters are determined based on the first three-dimensional model and the second three-dimensional model, specifically:
acquiring image information of the early warning defect through a CCD camera within a preset time period, preprocessing the image of the early warning defect, and obtaining discrete characteristic points through characteristic point matching;
obtaining coordinate values of the discrete feature points, and generating three-dimensional cloud data of the discrete points according to the coordinate values of the discrete feature points;
carrying out dense extraction on the discrete point three-dimensional cloud data to obtain dense three-dimensional point cloud data, generating a plurality of curved surfaces according to the dense three-dimensional point cloud data, and generating a first three-dimensional model and a second three-dimensional model according to the curved surfaces;
comparing the first three-dimensional model with the second three-dimensional model to obtain model deviation; obtaining the expansion rate of the early warning defect based on the model deviation;
and acquiring the spraying parameters corresponding to the expansion rate through a big data network, and transmitting the spraying parameters to a control terminal.
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