CN114084798A - Integrated video safety monitoring system for tower crane and tower crane - Google Patents
Integrated video safety monitoring system for tower crane and tower crane Download PDFInfo
- Publication number
- CN114084798A CN114084798A CN202111383430.2A CN202111383430A CN114084798A CN 114084798 A CN114084798 A CN 114084798A CN 202111383430 A CN202111383430 A CN 202111383430A CN 114084798 A CN114084798 A CN 114084798A
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- China
- Prior art keywords
- tower crane
- terminal
- hook
- communication connection
- monitoring system
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Classifications
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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
- B66C13/46—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
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/48—Automatic control of crane drives for producing a single or repeated working cycle; Programme control
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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
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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
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
Abstract
The invention discloses an integrated video security monitoring system of a tower crane and the tower crane, belonging to the technical field of tower cranes, wherein the integrated video security monitoring system of the tower crane comprises a hook camera, a winch monitoring terminal, a visual interaction terminal, a fingerprint identification module, a voice alarm module, a data exchange terminal and a PLC (programmable logic controller); the hook camera is in wireless communication connection with the visual interaction terminal; the visual interactive terminal is in communication connection with the data exchange terminal; the data exchange terminal is in communication connection with the PLC, and the PLC is in communication connection with the tower crane control system. The invention can realize the functions of automatically tracking the lifting hook, early warning the abnormal working state of the lifting hook, early warning the winding disorder rope, monitoring a cab, identifying, controlling and managing identity, alarming by voice and the like, and improves the safety of the tower crane.
Description
Technical Field
The invention belongs to the technical field of tower cranes, and particularly relates to an integrated video safety monitoring system for a tower crane and the tower crane.
Background
In the prior art, a video monitoring system of a tower crane generally adopts a wired camera, so that the installation is inconvenient; the camera only carries out video monitoring on the hoisting point, and has no automatic judgment and identification functions on the working state of the hoisting point; the camera is fixed at the arm head or the arm root, and the visual monitoring effect on the lifting hook moving in a variable amplitude manner is poor. And the existing video monitoring system does not have the functions of rope disorder early warning, lifting hook inclination, hook failure alarm and the like. The existing video monitoring system has poor tracking effect on a moving hook and high possibility of picture loss; the video monitoring system is independent of the control system, data interaction is not available, and comprehensive control of the system is not facilitated.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an integrated video safety monitoring system for a tower crane and the tower crane, which can automatically track a lifting hook and can early warn the abnormal working state of the lifting hook.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
the first aspect provides an integrated video safety monitoring system for a tower crane, which comprises a hook camera, a winch monitoring terminal, a visual interaction terminal, a data exchange terminal and a PLC (programmable logic controller); the hook camera is in wireless communication connection with the visual interactive terminal; the visual interaction terminal is in communication connection with the data exchange terminal; the winch camera is in communication connection with the winch monitoring terminal; the winch monitoring terminal is in communication connection with the data exchange terminal; the data exchange terminal is in communication connection with the PLC, and the PLC is in communication connection with the tower crane control system.
Furthermore, the lifting hook camera is installed on a luffing trolley of the tower crane and used for monitoring the working state of the lifting hook.
Further, the visual interaction terminal uploads the working state information of the lifting hook to the PLC through the data exchange terminal.
Furthermore, the visual interactive terminal acquires the operation parameters of the tower crane from the control system of the tower crane through the data exchange terminal and the PLC, controls the automatic focusing of the hook camera according to the operation parameters of the tower crane, and realizes the intelligent tracking of the hook position.
Further, the operation parameters of the tower crane comprise height, amplitude, angle, wind speed and hoisting weight.
Further, the PLC is used for receiving the working state information of the lifting hook, judging the state of the lifting hook by combining the operating parameters of the tower crane, and sending a stop signal and an alarm signal to a control system of the tower crane if the swing angle of the lifting hook exceeds a threshold value, is inclined or is hooked.
Further, the visual interactive terminal also comprises a cab camera, and the cab camera is in communication connection with the visual interactive terminal; the visual interactive terminal comprises a fingerprint identification module and a face identification module and is used for verifying identity information of a tower crane driver.
Furthermore, the visual interactive terminal further comprises a voice broadcasting module for realizing a voice alarm function.
Furthermore, the visual interactive terminal also comprises a GPRS module which is used for realizing remote monitoring of a lifting hook, a steel wire rope and a cab working picture.
In a second aspect, there is provided a tower crane equipped with an integrated tower crane video security monitoring system as claimed in any one of claims 1 to 10.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, the hook camera is in wireless communication connection with the visual interaction terminal, the visual interaction terminal is in communication connection with the data exchange terminal, the data exchange terminal is in communication connection with the PLC, and the PLC is in communication connection with the tower crane control system, so that automatic tracking of the hook is realized, meanwhile, early warning can be carried out on the abnormal working state of the hook, and the safety of the tower crane is improved;
(2) the invention has convenient installation and maintenance and simple use; the lifting hook camera adopts a wireless mode, so that the line laying and cable damage faults are reduced, and the lifting hook is intelligently and automatically tracked, so that an operator can monitor a lifting point and the surrounding conditions in real time, and the lifting hook is safe and reliable;
(3) the invention interacts with the control system of the tower crane in real time and provides auxiliary information for other functions of tower crane safety control, rope disorder detection, steel wire rope damage and the like.
Drawings
Fig. 1 is a schematic structural diagram of a system of an integrated video security monitoring system for a tower crane according to an embodiment of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The first embodiment is as follows:
as shown in fig. 1, an integrated video security monitoring system for a tower crane comprises a hook camera, a cab camera, a winch camera, a visual interaction terminal, a winch monitoring terminal, a data exchange terminal and a PLC controller; the hook camera is in wireless communication connection with the visual interaction terminal; the cab camera is in communication connection with the visual interaction terminal; the winch camera is in communication connection with the winch monitoring terminal; the visual interaction terminal and the winch monitoring terminal are respectively in communication connection with the data exchange terminal; the data exchange terminal is in communication connection with the PLC, and the PLC is in communication connection with the tower crane control system.
The lifting hook camera is installed on tower crane's the width of cloth dolly of becoming, and the lifting hook camera is used for hoisting point picture control, and the lifting hook camera adopts wireless form, reduces the difficulty that the cable conductor long distance laid, avoids becoming width of cloth dolly trouble such as cable twist, scotch, tear apart in service. The lifting hook camera always monitors the position below the lifting point, and the lifting hook is within the monitoring range of the lifting hook camera no matter whether the lifting hook ascends, descends, moves forwards or retreats; the lifting hook camera wirelessly transmits a lifting point monitoring picture to the visual interaction terminal in real time, and then uploads the picture to the data exchange terminal and the PLC through the visual interaction terminal; the visual interaction terminal adjusts a lifting hook camera according to basic operation parameters such as height, amplitude, angle and lifting weight of a lifting hook, the camera is intelligently controlled to automatically focus, and intelligent tracking of the position of the lifting hook is achieved; meanwhile, the visual interactive terminal can analyze and identify whether the suspended load has abnormal phenomena such as swinging, hooking and the like according to the lifting point monitoring picture, and sends an analysis result to the PLC. When an abnormal condition occurs, the PLC controller can control the lifting motor to stop, so that dangerous consequences are prevented.
The visual interactive terminal is used for receiving the monitoring picture, sending an instruction according to the acquired basic operation parameters (such as height, amplitude, wind speed, hoisting weight and the like) of the tower crane, intelligently controlling the camera to automatically focus, and realizing intelligent tracking of the position of the lifting hook; the visual interactive terminal comprises a fingerprint identification module and a face identification module and is used for verifying identity information of a tower crane driver. According to the embodiment, a face recognition module is not required to be additionally installed, face identity recognition is realized through a cab camera and a visual interaction terminal, and the operation safety of the tower crane is ensured; the fingerprint identification system is not required to be additionally installed, and the fingerprint identification module is arranged in the visual interactive terminal, so that the fingerprint identification is realized, and the operation safety of the tower crane is ensured.
The data exchange terminal is used for data interaction between the video system and the tower crane control system, so that the visual interaction terminal obtains basic parameters of the operation of the tower crane, and meanwhile, the control system can receive the feedback of abnormal lifting point information; the PLC is used for receiving lifting point feedback information, comprehensively judging the state of the lifting point by combining information such as lifting weight, wind speed, angle and the like, and immediately stopping working if the lifting point has abnormal phenomena such as swinging, hooking and the like to remind related personnel to check so as to ensure the lifting safety; the communication network is used for connecting equipment such as a hook camera (wireless network), an interactive terminal, a PLC and the like to realize data transmission; the buzzer is used for giving out sound and light alarm; in this embodiment, the system further comprises a winch camera and a winch monitoring terminal; the winch camera is in communication connection with the winch monitoring terminal; the winch monitoring terminal is in communication connection with the data interaction terminal; the winch camera collects working state information of the winch mechanism, the winch monitoring terminal judges whether the problem of rope disorder of the winch occurs or whether the risk of rope disorder of the winch exists according to the monitoring picture, early warning is given out, meanwhile, the early warning information is uploaded to the data exchange terminal and the PLC, and the tower crane control system stops the crane when necessary.
The realization principle of the scheme is as follows: the lifting hook is arranged at the bottom of the amplitude variation trolley to ensure that the lifting hook always monitors a lower lifting point; the lifting hook is communicated with the visual interaction terminal through a wireless network, and a monitoring picture is uploaded to the visual interaction terminal; the visual interactive terminal acquires basic tower crane operation parameters (such as height, amplitude, wind speed, hoisting weight and the like) of the control system through the data interactive terminal, and sends an instruction by combining a received monitoring picture, so that a camera is adjusted to automatically focus a hoisting point, and the intelligent tracking of the position of a hoisting hook is realized; and the visual interactive terminal analyzes and identifies the received monitoring picture, and judges whether the state of the lifting hook is normal or not, if so, whether the conditions of hanging deflection, overlarge swing angle, hooking and the like exist or not. The visual terminal sends the analysis result to the PLC in real time, and the PLC judges whether to stop working or not by combining the running states of the tower cranes such as wind speed, height and hanging weight, and reminds related personnel to check.
The video safety monitoring system of the tower crane integrates the functions of picture monitoring of a lifting point, monitoring of the working state of the lifting point, automatic tracking of a lifting hook, wire rope disorder early warning, picture monitoring of a cab, identity recognition, voice alarm and the like; the video monitoring system performs data interaction and fusion with the tower crane control system, and can automatically control the system to stop working when a fault or an alarm occurs, so that the safety is high; the intelligent automatic tracking and automatic focusing of the hoisting point with the ultra-large height are realized through the tower crane operation parameters sent by the control system without additionally installing a sensor, so that the cost is low and the reliability is high; the lifting hook camera is arranged on the amplitude variation trolley to ensure that the lifting hook camera always monitors the position above a lifting point; by adopting the wireless camera, the cable laying is reduced, the problems of cable twisting, breaking and the like are avoided, and the failure rate is reduced; the working state of the lifting hook is automatically analyzed and identified, and once the conditions of overlarge swinging angle, hooking, deflection and the like of the lifting hook occur, the lifting hook can give an alarm and stop working through a control system, so that the safety of the tower crane is improved; the running state of the single-mechanism and multi-mechanism winding drum is monitored, the occurrence of rope disorder of the steel wire rope is prevented, the service life of the steel wire rope is prolonged, and the maintenance and use cost is reduced; the face identification module is not required to be additionally installed, the face identity identification is realized through a cab camera and a visual interaction terminal, and the operation safety of the tower crane is ensured; the fingerprint identification system is not required to be additionally installed, and the fingerprint identification module is arranged in the visual interactive terminal, so that the fingerprint identity identification is realized, and the operation safety of the tower crane is ensured; the voice alarm function is realized through the built-in voice broadcast module of the visual terminal.
According to the embodiment, the GPRS module is arranged in the visual terminal of the visual interactive terminal, so that remote monitoring of working pictures and working states of the lifting hook is realized; the remote monitoring of the working picture of the cab is realized; the remote management and monitoring of the working state of the steel wire rope are realized; and the identification of the tower driver and attendance card punching management are realized.
Example two:
the embodiment provides a tower crane based on the integrated video security monitoring system of the tower crane, and the tower crane is provided with the integrated video security monitoring system of the tower crane in the first aspect.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An integrated video safety monitoring system of a tower crane is characterized by comprising a hook camera, a winch monitoring terminal, a visual interaction terminal, a data exchange terminal and a PLC (programmable logic controller);
the hook camera is in wireless communication connection with the visual interactive terminal;
the visual interaction terminal is in communication connection with the data exchange terminal;
the winch camera is in communication connection with the winch monitoring terminal;
the winch monitoring terminal is in communication connection with the data interaction terminal;
the data exchange terminal is in communication connection with the PLC, and the PLC is in communication connection with the tower crane control system.
2. The integrated video safety monitoring system for the tower crane according to claim 1, wherein the hook camera is mounted on a luffing trolley of the tower crane for monitoring the working state of the hook.
3. The integrated video security monitoring system for the tower crane according to claim 1, wherein the visual interaction terminal uploads the working state information of the hook to the PLC through the data exchange terminal.
4. The integrated video security monitoring system for the tower crane according to claim 1, wherein the visual interaction terminal obtains operation parameters of the tower crane from a control system of the tower crane through the data exchange terminal and the PLC, and controls automatic focusing of the hook camera according to the operation parameters of the tower crane, so as to realize intelligent tracking of the position of the hook.
5. The integrated video security monitoring system for tower cranes of claim 4, wherein the tower crane operating parameters comprise height, amplitude, angle, wind speed, and sling weight.
6. The integrated video safety monitoring system for the tower crane according to claim 1, wherein the PLC controller is configured to receive information on a working state of the hook, determine a state of the hook in accordance with an operation parameter of the tower crane, and send a stop signal and an alarm signal to the tower crane control system if a swing angle of the hook exceeds a threshold, is skewed, or is hooked.
7. The integrated video security monitoring system for the tower crane according to claim 1, further comprising a cab camera, wherein the cab camera is in communication connection with the visual interaction terminal; the visual interactive terminal comprises a fingerprint identification module and a face identification module and is used for verifying identity information of a tower crane driver.
8. The integrated video security monitoring system for the tower crane according to claim 1, wherein the visual interactive terminal further comprises a voice broadcast module for implementing a voice alarm function.
9. The integrated video security monitoring system for the tower crane according to claim 1, wherein the visual interactive terminal further comprises a GPRS module for remotely monitoring a hook, a wire rope and a working picture of a cab.
10. A tower crane, characterized in that the tower crane is provided with an integrated video security monitoring system of the tower crane according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111383430.2A CN114084798A (en) | 2021-11-22 | 2021-11-22 | Integrated video safety monitoring system for tower crane and tower crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111383430.2A CN114084798A (en) | 2021-11-22 | 2021-11-22 | Integrated video safety monitoring system for tower crane and tower crane |
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| CN114084798A true CN114084798A (en) | 2022-02-25 |
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| CN202111383430.2A Pending CN114084798A (en) | 2021-11-22 | 2021-11-22 | Integrated video safety monitoring system for tower crane and tower crane |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114476959A (en) * | 2022-04-07 | 2022-05-13 | 杭州杰牌传动科技有限公司 | Tower crane luffing mechanism early warning system |
| CN115190243A (en) * | 2022-07-08 | 2022-10-14 | 上海西派埃智能化系统有限公司 | System and method for monitoring stop position of travelling crane |
| CN115535855A (en) * | 2022-08-24 | 2022-12-30 | 杭州大杰智能传动科技有限公司 | Control maintenance method of tower crane |
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| CN112758824A (en) * | 2021-01-21 | 2021-05-07 | 宜昌市创星电子技术发展有限公司 | Unmanned control system of tower crane |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108190752A (en) * | 2018-01-09 | 2018-06-22 | 上海电力安装第二工程公司 | A kind of large size derrick crane Full-numerical-control remote monitoring system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114476959A (en) * | 2022-04-07 | 2022-05-13 | 杭州杰牌传动科技有限公司 | Tower crane luffing mechanism early warning system |
| CN114476959B (en) * | 2022-04-07 | 2022-08-05 | 杭州杰牌传动科技有限公司 | Tower crane luffing mechanism early warning system |
| CN115190243A (en) * | 2022-07-08 | 2022-10-14 | 上海西派埃智能化系统有限公司 | System and method for monitoring stop position of travelling crane |
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| CN115535855B (en) * | 2022-08-24 | 2024-01-19 | 杭州大杰智能传动科技有限公司 | Control maintenance method of tower crane |
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