CN111123938B - Dynamic discrimination method for blocking of climbing process of die carrier equipment - Google Patents
Dynamic discrimination method for blocking of climbing process of die carrier equipment Download PDFInfo
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- CN111123938B CN111123938B CN201911375620.2A CN201911375620A CN111123938B CN 111123938 B CN111123938 B CN 111123938B CN 201911375620 A CN201911375620 A CN 201911375620A CN 111123938 B CN111123938 B CN 111123938B
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 230000009194 climbing Effects 0.000 title claims abstract description 39
- 230000008569 process Effects 0.000 title claims abstract description 23
- 238000012850 discrimination method Methods 0.000 title claims description 3
- 230000000903 blocking effect Effects 0.000 title abstract description 8
- 238000009415 formwork Methods 0.000 claims abstract description 40
- 238000012544 monitoring process Methods 0.000 description 15
- 238000012545 processing Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0212—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
- G05D1/0214—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory in accordance with safety or protection criteria, e.g. avoiding hazardous areas
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
- E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
- E04G11/20—Movable forms; Movable forms for moulding cylindrical, conical or hyperbolical structures; Templates serving as forms for positioning blocks or the like
- E04G11/28—Climbing forms, i.e. forms which are not in contact with the poured concrete during lifting from layer to layer and which are anchored in the hardened concrete
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0276—Control of position or course in two dimensions specially adapted to land vehicles using signals provided by a source external to the vehicle
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- Aviation & Aerospace Engineering (AREA)
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Abstract
The invention discloses a dynamic judgment method for blocking a climbing process of a die carrier device, which specifically comprises the following steps: s1, aiming at a component which is easy to encounter resistance in the climbing process of a formwork frame body, a plurality of sensors are respectively arranged at key stress positions and are used for acquiring the stress condition of a part to be detected of the component which is easy to encounter resistance; the sensor transmits the acquired data to the controller, and the controller controls the climbing state of the die carrier body through power equipment; s2, assigning an initial value a to each sensor i0 (ii) a S3, collecting t-time data a by each sensor it (ii) a S4, calculating Y by the controller i And is combined with Y i And a preset early warning value Y 0 And comparing to judge whether the component is blocked. The method can monitor the stress condition of the easily-blocked component in real time, timely find the dangerous blocking condition of the component and carry out linkage emergency shutdown, prevent accidents, guarantee the operation safety of the climbing formwork equipment and further improve the intelligent level of the formwork equipment.
Description
Technical Field
The invention relates to a dynamic judgment method for blocking a climbing process of formwork equipment, and belongs to the technical field of climbing formwork in building construction.
Background
In high-rise and super high-rise buildings, in order to reduce the turnover use of scaffold pipe fittings and steel and improve the construction efficiency, climbing formwork equipment is often adopted to carry out main structure construction. The climbing formwork device is attached to or supported on a main structure of a building through a supporting device of the climbing formwork device, and a power device drives a frame body of the formwork to lift in a jacking or lifting mode.
Before the formwork equipment climbs, an operator generally can clear obstacles, and due to the complex conditions of various cross operations on a construction site, the dynamic time-varying effect of construction personnel operation, material stacking transportation and site change is obvious, the situation that an edge component of the formwork equipment meets a resistance until some key supporting components in the climbing process is inevitable, if the situation that the resistance meets the resistance cannot be found in time, power equipment of the formwork still runs, the resistance component can be caused to deform and break, and even the whole formwork collapses and falls when the situation is serious, so that casualty accidents are caused. The traditional method is that a worker inspects the condition that the die carrier meets the resistance through patrol, namely, in the climbing process of the die carrier equipment, workers are arranged at different frame body positions, whether the frame body component meets the barrier or not is judged by walking observation of the workers in different areas, and after the condition of meeting the resistance is found, the operator is informed to stop and process the frame body component. However, the die carrier is in a three-dimensional space structure and is in a dynamic operation process, the situation of resistance is far from insufficient to be checked only by manpower, the personnel staying on the climbing operation frame body are unsafe, and certain hysteresis effect exists in manual information transmission, so that safety accidents are easily caused.
Disclosure of Invention
In order to solve the problems, the invention provides a dynamic judgment processing method for the climbing formwork blocked by obstacles in the climbing process, which monitors the stress conditions of a key supporting member and a frame body edge member in real time in the climbing process of the formwork, finds the member in a blocking situation in time and carries out linkage emergency shutdown, effectively avoids the damage of the climbing formwork caused by the obstacles, prevents accidents, ensures the operation safety of climbing formwork equipment and further improves the intelligent level of the formwork equipment.
In order to solve the technical problems, the invention comprises the following technical scheme:
a dynamic judgment method for the resistance of a formwork device in a climbing process comprises the following steps:
s1: aiming at a component which is easy to encounter resistance in the climbing process of a formwork frame body, a plurality of sensors are respectively arranged at key stress positions and are used for acquiring the stress condition of a part to be detected of the component which is easy to encounter resistance; the sensor transmits the acquired data to the controller, and the controller controls the climbing state of the die carrier body through power equipment;
s2: driving the mould frame body to move upwards for a distance to enable the support device of the mould frame to release the support state, collecting initial data by each sensor, sending the data collected at the moment to the controller, and recording the initial value of the ith sensor as a i0 (ii) a Assuming a total of m sensors, i =1,2, \ 8230;, m;
s3: the die carrier body continues to move upwards, each sensor collects data at the moment t, the collected data are sent to the controller, and the value of the ith sensor at the moment t is recorded as a it ;
S4: the controller calculates Y i Wherein, in the step (A),and combine Y i And a preset early warning value Y 0 By comparison, when Y i Less than or equal to Y 0 When the movable support is in use, judging that the easily-encountered components are not obstructed, and if all the easily-encountered components are not obstructed, continuously moving the frame body of the die frame upwards; when Y is i Greater than Y 0 If at least one of the easily-encountered components is obstructed, stopping the operation of the die frame body, sending out die frame operation obstruction meeting information, reporting the position of the corresponding easily-encountered component, and returning to the step S2 after the obstacle is cleared; until each die carrier climbs to a preset height.
Further, in step S4, when all Y' S are present i Are all less than or equal to Y 0 When a is going to it To a is given i0 。
Furthermore, r sensors are arranged at the close positions of the same component easy to be subjected to resistance, and whether the component is subjected to resistance or not is comprehensively judged through the acquired data of the r sensors.
Further, the concrete judgment standard for comprehensively judging whether the corresponding easily-encountered component is encountered through the collected data of the r sensors is as follows,
among the r sensors, Y calculated by s sensors i Greater than Y 0 Judging that the corresponding easily-encountered component is blocked when the easily-encountered component is in use, otherwise, judging that the easily-encountered component is not blocked, wherein s is a settable natural number and s is an unimpeded component≤r。
Further, the signal acquisition system reads data of each sensor at a time interval delta t and sends the data to the controller in real time, wherein the delta t is a settable constant;
the controller calculates Y i When a is turned on it Take the value of the ith sensor at time t, a i0 The values before the sensor were averaged.
Further, the sensors include one or more of stress sensors, strain sensors, pressure sensors.
The dynamic judgment method for the blocking of the climbing process of the formwork equipment can effectively solve the problems of low blocking state recognition rate, low information transmission efficiency, lag in control response, multiple potential safety hazards and the like of the traditional manual inspection method, monitors the state of the formwork component in real time, realizes automatic recognition and linked shutdown when the formwork component is blocked, prevents accidents, ensures the operation safety of the climbing formwork equipment, and further improves the intelligent level of the formwork equipment.
Drawings
FIG. 1 is a diagram of sensor layout and connections to a controller in accordance with one embodiment of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view taken along A-A of FIG. 1;
FIG. 3 is a schematic illustration of a vulnerable component being monitored using a plurality of sensors.
The numbers in the figures are as follows:
1-a mould frame body; 2-a support device; 3-a power plant; 4-main body structure; 5-a sensor; 6-a horizontal frame; 10-a controller; 11-a data processing module; 12-a power control module; 31-horizontal beam monitoring sensor; 32-midspan monitoring sensor; 33-corner monitoring sensors; 34-a support column; 35-horizontal frame beam; 36-an edge member; 37-upper flange monitoring sensor; 38-lower flange monitoring sensor; 39-web monitoring sensor.
Detailed Description
The method for dynamically determining whether the climbing process of the formwork equipment is blocked is further described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent in light of the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
The discrimination method comprises the following steps:
s1: aiming at a component which is easy to encounter resistance in the climbing process of a mould frame body 1, a plurality of sensors 5 are respectively arranged at key stress positions of the component, and the sensors 5 are used for acquiring the stress condition of a part to be tested of the component which is easy to encounter resistance; the sensor 5 transmits acquired data to the controller 10, and the controller 10 controls the climbing state of the die carrier body 1 through the power equipment 3;
for example, the easily-encountered component is a component at the outer edge of the formwork, a component of a supporting device, and the like, and a key stress part is a fixed end part of a cantilever beam or a midspan position of a connecting beam;
as an example, each sensor 5 reads in real time during the operation of the rack, and the signal acquisition system reads data of each sensor 5 at a time interval Δ t and sends the data to the data processing system in real time, wherein Δ t is a settable constant;
s2: the method comprises the steps that a formwork frame body 1 of the formwork frame is driven to move upwards for a distance, a supporting device 2 of the formwork frame is enabled to be in a supporting state, each sensor 5 collects initial data, the collected data are sent to a controller 10, the initial value of the ith sensor 5 is recorded as a i0 (ii) a Assuming a total of m sensors 5, i =1,2, \8230;, m;
s3: the die carrier body 1 continues to move upwards, each sensor 5 collects data at the moment t, the collected data are sent to the controller 10, and the numerical value of the ith sensor 5 at the moment t is recorded as a it ;
S4: the controller calculates Y i Wherein, in the step (A),and a radical of Y i And a preset early warning value Y 0 Comparison when Y is i Less than or equal to Y 0 If all the easily-encountered components are not obstructed, the die carrier body continues to move upwards; when Y is i Greater than Y 0 If at least one of the easily-encountered components is obstructed, stopping the operation of the die frame body, sending out die frame operation obstruction meeting information, reporting the position of the corresponding easily-encountered component, and returning to the step S2 after the obstacle is cleared; until each mould frame climbs to a preset height.
Referring to fig. 1 and 2, a main structure 4 of a super high-rise building is provided with a support hole, and a support device 2 on a formwork frame body 1 is supported on the main structure 4. The supporting device 2 is usually a telescopic bracket, and a hydraulic jack is adopted to control the supporting leg to be telescopic. The sensor 5 is arranged on the horizontal frame 6, the supporting device 2 and other components which are easy to be hindered of the die carrier body 1, and the sensor 5 is one or more of a stress sensor, a strain sensor and a pressure sensor and is used for acquiring indexes such as stress, strain or pressure of a part to be monitored.
As shown in fig. 1, the controller 10 includes a data processing module 11 for receiving and processing data collected by the sensor 5; the climbing device further comprises a power control module 12, which controls the climbing of the die carrier body and the telescopic state of the supporting device 2 under the control of the running state of the power equipment 3. The controller 10 gives a command to the power control module 12 based on the determination result.
The layout of the sensors 5 is illustrated in fig. 2 by taking the horizontal frame 6 as an example. The horizontal frame 6 of the formwork body 1 is supported by 4 horizontal uprights 34, and the horizontal frame 6 comprises horizontal frame beams 35 and edge members 36. The horizontal frame 6 is provided with 4 corner monitoring sensors 33 which are positioned on edge components 36 at four corners of the horizontal frame 6; 4 midspan monitoring sensors 32 are arranged on edge members 36 in the middle of four sides of the horizontal frame 6; 8 horizontal beam monitoring sensors 31 are provided at positions on the upper surface of the horizontal frame beam 35 near the support columns 34. The horizontal frame 6 is provided with 16 sensors 5 in total, the sensors are numbered in sequence, and the early warning value Y of each sensor 5 is set 1 ,Y 2 ,…,Y 16 . When the power equipment 3 drives the die carrier frame body 1 to move upwards for a small distance, for example, 2-5 cm, the support device 2 of the die carrier releases the support state and is completely separated from the main structure 4, and at the moment, each sensor 5 of the horizontal frame 6 sends the collected data to the controller 10 to controlThe controller 10 defines the value a of the sensor 5 at that moment 10 ,a 20 ,…,a 160 。
The power equipment 3 drives the frame body to continue to move upwards, and after a time interval delta t, the controller 10 defines the values of the 16 sensors 5 at the moment as a 11 ,a 21 ,…,a 161 . The controller 10 calculates Y of the 16 sensors 5, respectively i Wherein i =1,2, \ 8230;, 16, and then determining whether the formwork frame body 1 is blocked.
In a preferred embodiment, the r sensors 5 are arranged at positions close to the same component which is easy to encounter resistance, and whether the component encounters resistance is comprehensively judged through the collected data of the r sensors 5. For example, among the r sensors 5, there are s sensors 5 that calculate Y i Greater than Y 0 And judging that the corresponding easily-encountered component is blocked, otherwise, judging that the component is not blocked, wherein s is a settable natural number and is less than or equal to r. A plurality of sensors 5 are adopted to monitor a single component, so that the accuracy of resistance judgment can be effectively improved, and misjudgment caused by the drift, failure and the like of the individual data of the sensors 5 is avoided. As shown in fig. 3, at the joint of the horizontal frame beam 35 and the support column, an upper flange monitoring sensor 37, a lower flange monitoring sensor 38, and a web monitoring sensor 39 are respectively disposed at the same cross-section position of the horizontal frame beam 35, and when Y of these 3 sensors 5 is the same, Y is the same as that of the upper flange monitoring sensor 37, the lower flange monitoring sensor 38, and the web monitoring sensor 39 i All values are greater than the early warning value Y 0 When the data processing system makes a determination that the component has encountered an obstruction, if there is only a Y of 1 or 2 sensors 5 i The numerical value is greater than the early warning value Y 0 In time, the data processing system only carries out sound-light alarm and does not send a stop instruction to the power system, and the condition for judging the stop instruction can be set as Y of 2 sensors 5 i The numerical value is greater than the early warning value Y 0 Then (c) is performed.
In a preferred embodiment, the signal acquisition system reads the data of each sensor 5 at time intervals Δ t, and sends the data to the controller 10 in real time, wherein Δ t is a settable constant; the controller 10 calculates Y i When a is turned on it Take the value of the ith sensor 5 at time t, a i0 The average of the values before the sensor 5 is taken.
The dynamic judgment method for the mold frame equipment climbing process blockage can effectively solve the problems of low blockage state recognition rate, low information transmission efficiency, lag in control response, multiple potential safety hazards and the like of the traditional manual inspection method, monitors the states of the mold frame components in real time, realizes automatic recognition and linkage shutdown when the mold frame components are blocked, prevents accidents, ensures the operation safety of the climbing mold frame equipment, and further improves the intelligent level of the mold frame equipment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A dynamic judgment method for the resistance of a formwork device in a climbing process is characterized by comprising the following steps:
s1: aiming at a component which is easy to encounter resistance in the climbing process of a formwork frame body, a plurality of sensors are respectively arranged at key stress positions and are used for acquiring the stress condition of a part to be detected of the component which is easy to encounter resistance; the sensor transmits the acquired data to the controller, and the controller controls the climbing state of the die carrier body through power equipment;
s2: the support body of the mold frame is driven to move upwards for a distance, the support device of the mold frame is enabled to be in a support release state, each sensor collects initial data and sends the collected data to the controller, and the initial value of the ith sensor is recorded as a i0 (ii) a Assuming a total of m sensors, i =1,2, \ 8230;, m;
s3: the die carrier body continues to move upwards, each sensor collects data at the moment t, the collected data are sent to the controller, and the value of the ith sensor at the moment t is recorded as a it ;
S4: the controller calculates Y i Wherein, in the step (A),and combine Y i And a preset early warning value Y 0 By comparison, when Y i Less than or equal to Y 0 If all the easily-encountered components are not obstructed, the die carrier body continues to move upwards; when Y is i Greater than Y 0 If at least one of the easily-encountered components is obstructed, stopping the operation of the die frame body, sending out die frame operation obstruction meeting information, reporting the position of the corresponding easily-encountered component, and returning to the step S2 after the obstacle is cleared; until each mould frame climbs to a preset height.
2. The method for dynamically judging whether the climbing process of the formwork equipment is blocked according to the claim 1, wherein in the step S4, when all Y are detected to be blocked i Are all less than or equal to Y 0 When a is going to it To a is given i0 。
3. The dynamic judgment method for the climbing process of the formwork equipment is blocked according to claim 1, characterized in that,
the r sensors are arranged at the close positions of the same component easy to be blocked, and whether the component is blocked or not is comprehensively judged through the collected data of the r sensors.
4. The dynamic judgment method for the resistance of the climbing process of the formwork equipment as claimed in claim 3, wherein the concrete judgment standard for comprehensively judging whether the corresponding resistance-susceptible component is in resistance through the acquired data of the r sensors is as follows,
among the r sensors, Y calculated by s sensors i Greater than Y 0 When the corresponding easily-encountered component is blocked, otherwiseAnd judging the system to be unblocked, wherein s is a settable natural number and is less than or equal to r.
5. The dynamic discrimination method for the resistance to climbing process of the formwork equipment as claimed in claim 1,
the signal acquisition system reads data of each sensor at a time interval delta t and sends the data to the controller in real time, wherein the delta t is a settable constant;
the controller calculates Y i When a is turned on it Take the value of the ith sensor at time t, a i0 The values before the sensor were averaged.
6. The dynamic identification method for the resistance to climbing of the formwork equipment as claimed in claim 1, wherein the sensor comprises one or more of a stress sensor, a strain sensor and a pressure sensor.
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