CN108821117B - Intelligent bridge deck crane - Google Patents
Intelligent bridge deck crane Download PDFInfo
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- CN108821117B CN108821117B CN201810902785.XA CN201810902785A CN108821117B CN 108821117 B CN108821117 B CN 108821117B CN 201810902785 A CN201810902785 A CN 201810902785A CN 108821117 B CN108821117 B CN 108821117B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/40—Applications of devices for transmitting control pulses; Applications of remote control devices
- B66C13/44—Electrical transmitters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/46—Position indicators for suspended loads or for crane elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/08—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists
- B66C2700/084—Protection measures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/08—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists
- B66C2700/088—Remote control of electric cranes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Control And Safety Of Cranes (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses an intelligent bridge deck crane which comprises a crane body, a GPS (global positioning system) sensor for acquiring position information, a camera for imaging, a strain sensor for measuring bearing information, an anemoscope for testing wind speed information and a cloud platform for receiving information, wherein the cloud platform analyzes and calculates the received information to obtain construction information, early warning information and rigidity information of an installed bridge section and pushes the construction information, the early warning information and the rigidity information to an authorization terminal through electric signals. According to the invention, information is automatically pushed to the authorization terminal of the related personnel, so that the safety control command of hoisting operators in the construction process can be assisted; the method can be used for the management department to inquire the real operation progress and state of the bridge; the rigidity deviation of the installed beam section can be automatically early warned, and the hoisting weight and the bridge deformation data are automatically collected for evaluation by construction control personnel of the large-span bridge; through the implementation of the intelligent bridge deck crane, the intelligent construction level of the bridge is promoted, and the balanced construction process of the large-span bridge is safer and more intelligent.
Description
Technical Field
The invention relates to the technical field of cranes, in particular to an intelligent bridge deck crane.
Background
The bridge is an important national infrastructure, the scale of bridge construction in China is huge, and the construction quantity of large-span bridges is large. The construction methods of cantilever pouring, cantilever stage hoisting and the like are important construction methods of large-span bridges, and the most key construction machine in the construction method is a bridge deck crane. However, the bridge deck crane in the prior art has the following defects in the use process:
(1) the bridge deck crane pouring or segment hoisting lengthening process has multiple construction links, involves the crossing of personnel and equipment control, and has higher safety risk;
(2) for a bridge which is poured in a large-span segmental manner or hoisted in a segmental manner, in the process of identifying and correcting the rigidity of a girder, the rigidity of the girder is difficult to be effectively and automatically identified by a conventional method, manual measurement is time-consuming and labor-consuming, acquired data are limited, and identification precision is limited.
In view of this, need to improve current bridge floor loop wheel machine urgently to reduce the participation of construction link and constructor, increase factor of safety, be convenient for assess girder rigidity simultaneously.
Disclosure of Invention
The invention aims to solve the technical problems that the conventional bridge deck crane has more construction links, involves more workers, causes higher safety risk and is not beneficial to evaluating the rigidity of a main beam.
In order to solve the above technical problems, the technical solution of the present invention is to provide an intelligent bridge deck crane, which includes a crane body, and further includes:
the GPS sensor is arranged at the bottom of the crane body and used for acquiring the position information of the crane body;
the camera is arranged at the front end of the crane body, can rotate freely, covers a hung part and main components of the crane body in a view field, and acquires image information of the crane body during working;
the strain sensor is arranged on a bearing rod piece of the crane body and used for measuring the bearing information of the bearing rod piece;
the wind speed meter is arranged at the top of the crane body and used for testing wind speed information in the environment where the crane body is located;
the cloud platform, positional information, image information, bearing information, wind speed information are equallyd divide and are in through setting up information transmission unit in GPS sensor, camera, strain transducer, the anemoscope transmits for the cloud platform, the cloud platform is analyzed, is calculated the rigidity information that obtains construction information, early warning information and installed bridge segment and is passed through the signal of telecommunication propelling movement to authorization terminal to the information of receiving.
In the above scheme, the position information is the position of the crane body before and after hoisting, the deformation delta of the bridge at the position of the crane body is calculated through the cloud platform, the bearing information is the strain value of the crane body at the position of the bearing rod piece measured by the strain sensor after the crane body suspends the hoisted piece, the strain value is transmitted to the cloud platform through the information transmission unit by the strain sensor, the weight F of the hoisted piece is calculated through the cloud platform, and the formula is used for calculating the weight F of the hoisted piece
And obtaining a rigidity value k at the position, wherein the rigidity information is the rigidity value k.
In the above scheme, the wind speed information is a wind speed value measured by the anemoscope, the cloud platform compares the measured wind speed value with a theoretical wind speed value and the measured stiffness value with the theoretical stiffness value, and when the measured wind speed value or the measured stiffness value is greater than the theoretical wind speed value or the theoretical stiffness value, the cloud platform sends the early warning information to the authorization terminal and an alarm device arranged on a construction site.
In the above scheme, the construction information includes:
comparing the position of the crane body with the design coordinates of the bridge according to the GPS sensor, and determining that the bridge is an actual hoisting beam;
the cloud platform analyzes that the crane body is in a fixed state or a walking state according to the relation between the coordinates of the GPS sensor and time;
the cloud platform identifies the hoisting state and the hoisting weight of the crane body according to the strain value measured by the strain sensor;
the distance between the hung beam section and the designed elevation of the bridge deck is tested through the distance measuring device, the camera is started after the bridge deck is hoisted in place to shoot the beam end and the image data of the crane body, and the construction information is stored in the cloud platform.
In the above scheme, the alarm device comprises a loudspeaker for sending alarm and voice information and an alarm information board installed on a construction site, and the display information on the alarm information board comprises site wind speed, hoisting sections, hoisting weight information and bridge beam section deformation values.
In the above scheme, the bearing rod piece comprises a vertical rod and a horizontal rod piece which are arranged on the crane body.
In the above scheme, the strain sensor is a dynamic strain sensor.
In the above scheme, the authorization terminal includes a smartphone APP of a manager or a constructor and a general browser capable of browsing and managing data.
Compared with the prior art, the construction method has the advantages that the automatically acquired construction information, early warning information and rigidity information of the installed beam section are pushed to the authorization terminal of related personnel, and safety control command of hoisting operators in the construction process can be assisted; the method can be used for the management department to inquire the real operation progress and state of the bridge; the rigidity deviation of the installed beam section can be automatically early warned, and the hoisting weight and the bridge deformation data are automatically collected for evaluation by construction control personnel of the large-span bridge; through the implementation of the intelligent bridge deck crane, the intelligent construction level of the bridge is promoted, and the balanced construction process of the large-span bridge is safer and more intelligent.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
The invention provides an intelligent bridge floor crane which comprises a GPS sensor, a camera, a strain sensor, an anemograph and a cloud platform, wherein the GPS sensor, the camera, the strain sensor, the anemograph and the cloud platform are arranged on a crane body, various detected information is transmitted to the cloud platform through an information transmission unit in the intelligent bridge floor crane, and the cloud platform analyzes and calculates the received information and sends the result to an authorization terminal.
The method can be used for the management department to detect the operation progress and the state of the bridge; meanwhile, the rigidity deviation of the installed whole section is automatically warned, and the hoisting weight and the bridge deformation data are automatically acquired to be evaluated by construction control personnel of the large-span bridge, so that the balanced construction process of the large-span bridge is safer and more intelligent, and the invention is explained in detail by combining the attached drawings and the specific implementation mode of the specification.
As shown in fig. 1, the intelligent bridge deck crane provided by the invention comprises a crane body, a GPS sensor 1, a camera 2, a strain sensor 3, an anemoscope 4 and a cloud platform 5.
The GPS sensor 1 is arranged at the bottom of the crane body and used for acquiring positions of the crane body before and after lifting, and calculating the deformation delta of a bridge at the position of the crane body through the cloud platform 5, and the strain sensor 3 is arranged on a bearing rod piece of the crane body, wherein the bearing rod piece comprises a vertical rod, a horizontal rod piece and the like arranged on the crane body.
Preferably, the strain sensor 3 is a dynamic strain sensor, and compared with the common strain sensor 3, the interference of external factors to the measurement result can be reduced, and the measurement accuracy is increased. Strain sensor 3 is used for surveying the strain value of loop wheel machine body bearing member spare department behind the suspended by the piece, and strain sensor 3 passes through the information transmission unit with the strain value and transmits for cloud platform 5, and cloud platform 5 calculates by the weight F of being hung to through the formula
Obtaining the rigidity value k of the position, wherein the rigidity information is the rigidity value k, and the measurement numerical values of the strain sensors 3 at all positions of the crane body are oppositeThe independent measurement method and the independent measurement device are independent, so that strain values of the crane body at various positions can be effectively measured at any time, the measurement efficiency and the measurement comprehensiveness are improved, and meanwhile, the safety of the method and the device in the use process is improved.
Camera 2 sets up the front end at the loop wheel machine body, but camera 2 free rotation, and its visual field covers by the essential element of hanging piece and loop wheel machine body for acquire the image information of loop wheel machine body during operation, play real time monitoring's effect, further optimize ground, camera 2 can be autonomic trigger the candid photograph, have the randomness, and upload and save the picture cloud platform 5, the staff of being convenient for observes and analyzes. If the working state of the crane body is not observed through the camera image, the worker can search the stored on-site construction picture in the cloud platform 5, and whether the working state of the crane body is good or not is analyzed through the picture, so that the safety construction of the crane body is ensured.
The anemoscope 4 is installed on the top of the crane body and used for testing wind speed information in the environment where the crane body is located. The wind speed information is a wind speed value measured by the anemoscope 4, the cloud platform 5 compares the measured wind speed value with a theoretical wind speed value and compares the measured rigidity value with the theoretical rigidity value, and when the measured wind speed value or the rigidity value is larger than the theoretical wind speed value or the rigidity value, the cloud platform 5 sends out early warning information to the authorization terminal 6 and an alarm device arranged on a construction site, so that workers can timely handle obstacles, automatic monitoring is achieved, workers on the site are liberated, and labor cost is reduced.
Wherein alarm device is including the loudspeaker 7 that is used for sending out alarm and speech information and install the warning information board 8 at the job site, warning information board 8 sets up the position of being convenient for observe at the scene, it includes on-the-spot wind speed to report to the police on the information board 8, the hoist and mount festival section, hoist and mount information and bridge beam section deformation value, diversified staff's work progress of reminding appears the obstacle, the construction information that will probably have the trouble simultaneously all embodies on warning information board 8, be convenient for people to observe and solve the problem, increase the convenience of construction, shorten the time of getting rid of the obstacle, and then increase work efficiency.
In the using process of the wind power generation system, position information, image information, bearing information and wind speed information are respectively transmitted to the cloud platform 5 through information transmission units arranged in the GPS sensor 1, the camera 2, the strain sensor 3 and the anemoscope 4, and the cloud platform 5 analyzes and calculates the received information to obtain corresponding construction information, early warning information and rigidity information of an installed bridge section and pushes the construction information, the early warning information and the rigidity information to the authorization terminal 6 through electric signals. The safety control command of hoisting operators in the construction process can be assisted; the method can be used for the management department to inquire the real operation progress and state of the bridge; the rigidity deviation of the installed beam section can be automatically early warned, and the hoisting weight and the bridge deformation data are automatically collected for evaluation by construction control personnel of the large-span bridge; through the implementation of the intelligent bridge deck crane, the intelligent construction level of the bridge is promoted, and the balanced construction process of the large-span bridge is safer and more intelligent.
And the signal transmission on site is difficult when the system is used, and the industrial personal computer can replace the signal transmission, so that the automatic detection system can be normally used, and the safe construction of the crane body is ensured.
The authorization terminal 6 comprises a smart phone APP of a manager or a constructor and a common browser capable of browsing and managing data, a worker can select according to the convenience degree of the worker, and the convenience of work is improved.
The construction information in the invention comprises the following aspects:
(1) and comparing the position of the crane body with the design coordinates of the bridge according to the GPS sensor 1 to determine that the bridge is an actual hoisting beam.
(2) The cloud platform 5 analyzes that the crane body is in a fixed state or a walking state according to the relation between the coordinates of the GPS sensor 1 and the time.
(3) The cloud platform 5 identifies the hoisting state and the hoisting weight of the crane body according to the strain value measured by the strain sensor 3.
(4) The distance between the hung beam section and the designed elevation of the bridge floor is tested through the distance measuring device, and the camera is started to shoot image data of the beam end and the crane body after the bridge floor is hoisted in place.
The present invention is not limited to the above-mentioned preferred embodiments, and any structural changes made under the teaching of the present invention shall fall within the scope of the present invention, which is similar or similar to the technical solutions of the present invention.
Claims (8)
1. The utility model provides an intelligent bridge deck loop wheel machine, includes the loop wheel machine body, its characterized in that still includes:
the GPS sensor is arranged at the bottom of the crane body and used for acquiring the position information of the crane body;
the camera is arranged at the front end of the crane body, can rotate freely, covers a hung part and main components of the crane body in a view field, and acquires image information of the crane body during working;
the strain sensor is arranged on a bearing rod piece of the crane body and used for measuring the bearing information of the bearing rod piece;
the wind speed meter is arranged at the top of the crane body and used for testing wind speed information in the environment where the crane body is located;
the cloud platform, positional information, image information, bearing information, wind speed information are equallyd divide and are in through setting up information transmission unit in GPS sensor, camera, strain transducer, the anemoscope transmits for the cloud platform, the cloud platform is analyzed, is calculated the rigidity information that obtains construction information, early warning information and installed bridge segment and is passed through the signal of telecommunication propelling movement to authorization terminal to the information of receiving.
2. The intelligent bridge crane of claim 1, wherein the position information is the position of the crane body before and after hoisting, the deformation Δ of the bridge at the position of the crane body is calculated by the cloud platform, the load-bearing information is the strain value of the crane body at the position of the load-bearing rod after the suspended object is suspended by the strain sensor, and the strain sensor measures the strain value of the load-bearing rodThe strain value is transmitted to the cloud platform through the information transmission unit, and the cloud platform calculates the weight F of the hung part through a formulaAnd obtaining a rigidity value k at the position, wherein the rigidity information is the rigidity value k.
3. The intelligent bridge floor crane according to claim 2, wherein the wind speed information is a wind speed value measured by the anemometer, the cloud platform compares the measured wind speed value with a theoretical wind speed value and compares the measured rigidity value with a theoretical rigidity value, and when the measured wind speed value is greater than the theoretical wind speed value or the measured rigidity value is greater than the theoretical rigidity value, the cloud platform sends the warning information to the authorization terminal and an alarm device arranged at a construction site.
4. The intelligent bridge floor hoist of claim 2, wherein the construction information includes:
comparing the position of the crane body with the design coordinates of the bridge according to the GPS sensor, and determining that the bridge is an actual hoisting beam;
the cloud platform analyzes that the crane body is in a fixed state or a walking state according to the relation between the coordinates of the GPS sensor and time;
the cloud platform identifies the hoisting state and the hoisting weight of the crane body according to the strain value measured by the strain sensor;
the distance between the hung beam section and the designed elevation of the bridge deck is tested through the distance measuring device, the camera is started after the bridge deck is hoisted in place to shoot the beam end and the image data of the crane body, and the construction information is stored in the cloud platform.
5. The intelligent bridge floor crane according to claim 3, wherein the alarm device comprises a speaker for sending alarm and voice information and an alarm information board installed on a construction site, and the alarm information board displays information including site wind speed, hoisting sections, hoisting weight information and bridge beam section deformation values.
6. The intelligent bridge floor hoist of claim 1, wherein the load-bearing bar comprises a vertical bar and a horizontal bar mounted on the hoist body.
7. The intelligent bridge floor hoist of claim 1, wherein the strain sensor is a dynamic strain sensor.
8. The intelligent bridge floor crane according to claim 1, wherein the authorized terminal comprises a smart phone APP of a manager or a constructor and a general browser capable of browsing and managing data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810902785.XA CN108821117B (en) | 2018-08-09 | 2018-08-09 | Intelligent bridge deck crane |
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| CN201810902785.XA CN108821117B (en) | 2018-08-09 | 2018-08-09 | Intelligent bridge deck crane |
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| CN108821117B true CN108821117B (en) | 2020-01-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109729173A (en) * | 2019-01-14 | 2019-05-07 | 江西集银科技有限公司 | A kind of bridge hanging basket Construction control system based on cloud computing |
| CN112661014A (en) * | 2020-12-20 | 2021-04-16 | 河南五建建设集团有限公司 | Multifunctional bridge floor crane |
| CN115557409B (en) * | 2022-08-25 | 2024-01-19 | 杭州大杰智能传动科技有限公司 | Intelligent early warning system of tower crane |
| CN117536118B (en) * | 2023-11-28 | 2024-04-12 | 保利长大工程有限公司 | Beam Duan Zhineng hoisting method for bridge deck crane system and bridge deck crane system |
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