CN110155882B - System and method capable of monitoring operation state of suspension arm in real time - Google Patents
System and method capable of monitoring operation state of suspension arm in real time Download PDFInfo
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- CN110155882B CN110155882B CN201910419023.9A CN201910419023A CN110155882B CN 110155882 B CN110155882 B CN 110155882B CN 201910419023 A CN201910419023 A CN 201910419023A CN 110155882 B CN110155882 B CN 110155882B
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- lifting hook
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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
- B66C15/00—Safety gear
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Abstract
The invention relates to a system and a method capable of monitoring the running state of a suspension arm in real time. The system comprises a vertical beam, a suspension arm, a lifting hook, a control assembly, a plurality of camera assemblies A and a height sensing assembly, wherein the camera assemblies A and the height sensing assembly are connected with the control assembly. The camera shooting assemblies A are vertically arranged on the vertical beam at intervals and face the lifting hook. The camera of the camera assembly A can rotate in space. The height sensing assembly can detect the height position of the lifting hook and transmit the instant height position information to the control assembly so as to select to turn on at least one camera assembly A corresponding to the height position of the lifting hook. The control assembly can reflect the picture shot by the camera assembly A to the display screen. According to the system and the method, the lifting hook, the hoisted object, the peripheral environment and the like at different height positions can be effectively monitored, and the prevention and control of construction risks can be further enhanced.
Description
Technical Field
The invention relates to the field of construction equipment, in particular to the field related to hoisting equipment such as cranes, tower cranes, cranes and the like, and particularly relates to a system and a method for monitoring the running state of a suspension arm of a crane, a tower crane and a crane in real time.
Background
With the increasing activity of the building market, the height of the building is higher and higher, and the application of material hoisting equipment such as cranes, tower cranes (namely tower cranes), cranes and the like in building construction is increasingly wide. For example, a tower crane, which is a main high-altitude hoisting device, is widely used due to its characteristics of high hoisting height, large working amplitude, etc., and has become one of the necessary construction devices for construction sites.
However, as the construction environment is more and more complex, the situation that obstacles such as high-voltage lines and buildings are in the working area of the tower crane is inevitable, and the complex situation of the surrounding environment of the construction site increases the proportion of tower crane accidents in the construction accidents, so that the safe operation of the tower crane is more and more emphasized by workers on the construction site.
In the existing monitoring technology, a worker usually adopts a tower crane monitoring method of 'four-limit double insurance' to monitor the parameters of the tower crane, such as moment, weight, amplitude and the like, so that when an abnormality is detected, the operation of the tower crane is limited in time by regulating and controlling the actions of relevant parts of a mechanical transmission unit assembly, and the safety of the operation of the tower crane is ensured. Such as a transmission mechanism for controlling the balance of the suspension arm, a transmission mechanism for controlling the height of the lifting hook, etc.
After comprehensive analysis of the prior art, the following defects exist: the existing tower crane monitoring technology focuses on safety monitoring of a tower crane, can not effectively monitor the state of a lifting hook and the condition of a lifted object, particularly the lifting hook and the surrounding environment of the lifted object when the lifting hook is positioned at different height positions, and still has great limitation on prevention and control of construction risks.
Disclosure of Invention
Aiming at the problem that monitoring in the prior art has limitation, the invention provides a system and a corresponding method for monitoring the operation state of a suspension arm in real time, according to the system and the method, effective monitoring can be carried out on a lifting hook, a lifted object, a peripheral environment and the like at different height positions, and the prevention and control on construction risks can be further enhanced.
The technical scheme adopted by the invention for solving the technical problems is as follows: a system capable of monitoring the running state of a suspension arm in real time comprises the suspension arm arranged on the upper part of a vertical beam, a lifting hook connected with the suspension arm through a steel rope, and a mechanical transmission unit assembly at least used for regulating and controlling the rotation action of the suspension arm and the height of the lifting hook.
The special arrangement of the patent is that the device also comprises a control assembly, a plurality of camera assemblies A connected with the control assembly and a height sensing assembly.
The camera shooting assemblies A are arranged on the vertical beam in a distributed mode in the vertical direction at intervals and face one side of the lifting hook. The camera of the camera assembly A can rotate in space.
The height sensing assembly can detect the height position of the lifting hook and transmit the instant height position information of the lifting hook to the control assembly, so that the control assembly selectively opens at least one camera shooting assembly A corresponding to the height position of the lifting hook at the moment.
The control assembly comprises a display screen, and the picture shot by the camera assembly A can be reflected on the display screen. If a plurality of camera assemblies A are started simultaneously, the control assembly can respectively display the pictures shot by the two camera assemblies A on the display screen.
In a specific embodiment, the system further comprises a plurality of camera assemblies B connected with the control assembly, and cameras of the camera assemblies B can rotate in space. The camera shooting assembly B is at least arranged at the front end and the rear end of the walking vehicle right above the lifting hook. The control assembly can respectively reflect the pictures shot by the camera assembly A and the camera assembly B on a display screen. The walking trolley and the lifting hook can synchronously reciprocate along the length direction of the suspension arm. The camera of the camera assembly B faces downwards and can be used for monitoring the dynamic state of the upper part of the lifting hook.
In a specific embodiment, the control assembly may further include a storage module to record and store videos captured by the camera assembly a and/or the camera assembly B. When the embodiment of this patent includes the high in the clouds server, still can be in set up wireless transmission module in the control assembly to establish connection with the high in the clouds server, and carry out the interactive transmission of data. The storage module of the cloud server can store videos shot by the camera assembly A and/or the camera assembly B, transmit the videos to the remote control assembly through a wireless network, and display the videos on a screen of the remote control assembly. The screen of the remote control assembly can be a display screen of a remote control room and/or a display screen of a mobile terminal (such as a mobile phone, a tablet computer, a computer and the like). A monitoring APP is installed on the mobile phone, and an instant monitoring video picture can be called or the previous recording video can be watched again by opening the APP. When the cloud server is not arranged, the wireless transmission module can be still arranged in the control assembly, so that the wireless connection can be established between the control assembly and the camera assembly A and between the control assembly and the camera assembly B.
The remote control assembly comprises an APP installed on the mobile terminal, the APP can send an instruction to the control assembly through a cloud server to control the camera of the camera shooting assembly A and/or the camera shooting assembly B to rotate, or control the mechanical transmission unit assembly to implement specific action regulation or early warning to regulate and control the balance state of the suspension arm. The term "regulating or early warning to regulate and control the balance state of the boom" specifically means that the control assembly receives an instruction and then controls the mechanical transmission unit assembly to perform related actions, and directly regulates the balance state of the boom. The specific reference to "early warning regulation and control of the balance state of the boom" means that the control assembly sends out early warning information after receiving an instruction, and prompts an operator to control the mechanical transmission unit assembly to implement relevant actions so as to adjust the balance state of the boom.
In a particular embodiment, the height sensing assembly includes a counter sensor, a wheel pivotally mounted on the boom, a pair of support wheels distributed below two sides of the wheel, and a pair of preload wheels disposed between the wheel and the support wheels. The steel rope is sequentially matched with the upper side of the curved surface of the supporting wheel on one side, the lower side of the curved surface of the pre-tightening wheel, the upper side of the curved surface of the rotating wheel, the lower side of the curved surface of the pre-tightening wheel on the other side and the upper side of the curved surface of the supporting wheel along the length direction of the suspension arm. The pre-tightening wheel can apply pressure to the steel rope to ensure that a (large) contact surface is formed between the steel rope and the rotating wheel, so that the rotating wheel can be driven to synchronously rotate when the steel rope slides relative to the rotating wheel. The counting sensor can count the number of positive and negative rotation turns of the rotating wheel. The control assembly can calculate the height position of the lifting hook according to the number of turns of the rotating wheel in forward rotation and reverse rotation, and then the camera assembly A corresponding to the height position is selected to be started.
In one embodiment, the optical fiber grating sensor further comprises a balance sensor connected with the control assembly, wherein the balance sensor comprises a light source emitter, a main grating and a rotary pendulum grating. The light source emitter and the main grating are fixedly arranged on the vertical beam, and the main grating is arranged along the vertical direction. The wobble grating is mounted within a frame having an upper end pivotally connected below the boom. The lower part of the frame is provided with a pendant block, so that the rotary swing grating arranged in the frame can be always kept in a vertical direction. The light beam emitted by the light source emitter inclines upwards or downwards and sequentially passes through the main grating and the rotary swing grating. When the suspension arm inclines upwards or downwards, the position of the light beam corresponding to the rotary swing grating changes, the inclination angle of the suspension arm can be judged through the analysis and processing of the control assembly on the grating signal, and then the horizontal balance condition of the suspension arm is corrected after the control assembly controls the mechanical transmission unit assembly to implement specific actions. In particular, the light source emitter may be selected as a laser emitter.
A method for real-time monitoring the running state of suspension arm includes such steps as erecting a vertical beam, arranging suspension arm on the upper part of vertical beam, connecting suspension hook to suspension arm by steel cable, and multiple camera assemblage A. A plurality of camera assemblies A along vertical direction alternate arrange and install on founding the roof beam and the camera lens of camera towards lifting hook one side.
And switching and controlling at least one camera assembly A at the corresponding height to be started according to the height position of the lifting hook, and monitoring the surrounding condition of the lifting hook in real time. If the camera shooting assembly A corresponding to the height position of the lifting hook is controlled to be started, the camera shooting assembly A can be a certain camera shooting assembly A which is upward or downward relative to the height position of the lifting hook, even the camera shooting assembly A with the smallest height difference is specifically judged from a plurality of camera shooting assemblies A corresponding to the height position of the lifting hook, and then the camera shooting assembly A is started. If the two camera assemblies A corresponding to the height position of the lifting hook are controlled to be opened, the camera assemblies A corresponding to the height position of the lifting hook are oppositely arranged on the upper side and the lower side of the camera assemblies A respectively.
The lifting hook, the lifted materials on the lifting hook and the surrounding environment are monitored according to the method, the shooting visual angle of the monitoring picture can be switched in real time, the comprehensiveness of the shooting angle is guaranteed, and the obtained shooting picture is guaranteed to achieve the best effect.
In specific implementation, the system also comprises a plurality of camera assemblies B. The front side and the rear side of the walking vehicle above the lifting hook are respectively provided with one camera shooting assembly B. The lens of the camera assembly B faces the lifting hook.
During specific implementation, camera assembly A, camera assembly B pass through the wireless network and be connected with high in the clouds service platform, finally establish with the APP that sets up on mobile terminal and be connected, can adjust the shooting angle of each camera in the camera assembly that is in the open mode respectively at least through the APP. The real-time pictures and/or review recording pictures shot by the camera assemblies can be checked through the APP.
In all the schemes of the patent, the cameras in the camera assembly A and the camera assembly B can preferably automatically focus in addition to the spatial rotation.
During the concrete implementation, still include the sensing unit that detects the balanced state of davit, this sensing unit conveys sensor signal to high in the clouds service platform and handles, makes the judgement that whether the davit is in balanced state and takes place the concrete situation of slope to convey the judged result to APP, corresponding instruction and/or video signal that APP sent remind and carry out the balance calibration. Can directly send the instruction through APP, the direct control is used for adjusting the balanced mechanical mechanism action of davit, rectifies the balanced state of davit.
The invention has the beneficial effects that: the problem of limitation of the prior art in monitoring is solved, effective monitoring can be carried out on lifting hooks, lifting objects, peripheral environments and the like when the lifting hooks, the lifting objects, the peripheral environments and the like are located at different height positions, and prevention and control of construction risks are further enhanced. After the APP through the cloud service platform and the mobile terminal is connected, timeliness, real-time performance and convenience of monitoring and correcting operation can be guaranteed, states of the suspension arm and the lifting hook and surrounding environment can be monitored and monitored anytime and anywhere, and dynamic adjustment is implemented.
Drawings
Fig. 1 is a schematic diagram of the monitoring system of the present patent.
Fig. 2 is a schematic diagram of a specific distribution arrangement of the camera assembly when the monitoring system is applied.
Fig. 3 is a schematic diagram of the mechanical structure of the data acquisition portion of the high-speed drive assembly in one embodiment.
Fig. 4 is a schematic longitudinal cross-sectional view of a frame for use in positioning a portion of a balanced sensor according to one embodiment.
Fig. 5 is a schematic diagram (comparative display) of a device for detecting the balance state of the boom.
100 vertical beams, 200 suspension arms, 300 lifting hooks, 400 steel ropes and 500 balancing weights
1 camera assembly A, 2 camera assembly B, 3 counting sensor and 4 balance sensor
31 rotating wheel, 32 supporting wheel and 33 pre-tightening wheel
40 frame, 401 card slot, 402 vertical block, 41 laser emitter, 42 main grating, 43 rotary swing grating, 44 light beam
Detailed Description
The structures, proportions, and dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the skilled in the art. In addition, the terms "upper", "lower", "front", "rear" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.
As shown in fig. 1 and 2, the system capable of monitoring the operation state of the boom in real time includes a boom 200 disposed on the upper portion of the upright beam 100, a hook 300 connected to the boom 200 through a steel rope 400, and a mechanical transmission unit assembly at least capable of adjusting the rotation of the boom 200 and the height of the hook 300. The device also comprises a control assembly, a plurality of camera assemblies A1 and a height sensing assembly which are connected with the control assembly. The balance state of the boom 200 can be adjusted by changing the position of the counterweight 500 relative to the boom 200 according to the difference of the position of the hook 300 (and the material thereon) relative to the boom 200 or the change of the weight. Generally, the weight of the weight 500 can also be adjusted.
The camera assemblies a1 are vertically and alternately arranged on the vertical beam 100 and face one side of the hook 300. The camera of the camera assembly a1 can freely rotate in space (regulated and controlled by the control assembly). The height sensing assembly is capable of detecting the height position of the hook 300 and transmitting the instant height position information of the hook 300 to the control assembly, so that the control assembly selectively turns on at least one camera assembly a1 corresponding to the height position of the hook at that time (corresponding to the "height position", i.e. a position flush with, slightly lower than or higher than the height position of the hook) according to the specific height position of the hook at that time.
The control assembly includes a display screen (which may be disposed within the cab) that is capable of reflecting the picture taken by the camera assembly a1 onto the display screen. If a plurality of camera assemblies A are started simultaneously, the control assembly can respectively display the pictures shot by the two camera assemblies A on the display screen.
In a specific embodiment, the system further comprises a plurality of camera assemblies B2 connected with the control assembly, and the camera of the camera assembly B2 can freely rotate in space (is adjusted and controlled by the control assembly). The camera unit B2 is provided at least at the front end and the rear end of the traveling vehicle (where the front-rear direction is perpendicular to the longitudinal direction of the boom) directly above the hook 300. The control assembly can reflect pictures shot by the camera assembly A1 and the camera assembly B2 on a display screen respectively. The walking trolley and the lifting hook can synchronously reciprocate along the length direction of the suspension arm. The downward facing camera of camera assembly B2 can be used to monitor the dynamics of the upper portion of the hook 300. The walking trolley is a mechanism matched with the lifting hook on the suspension arm in the prior art, and can drive the lifting hook to linearly slide relative to the suspension arm.
The control assembly can comprise a storage module and a data processing module so as to record and store pictures (videos) shot by the camera assembly A and/or the camera assembly B and implement certain management. When the embodiment of this patent includes the high in the clouds server, still can be in set up wireless transmission module in the control assembly to establish connection with the high in the clouds server, and carry out the interactive transmission of data. The storage module of the cloud server can store pictures (videos) shot by the camera assembly A and/or the camera assembly B, transmit the pictures to the remote control assembly through a wireless network, and display the pictures on a screen of the remote control assembly. The screen of the remote control assembly can be a display screen of a remote control room and/or a display screen of a mobile terminal (such as a mobile phone, a tablet computer, a computer and the like). The method is characterized in that APP terminal software is installed on the mobile phone, and the APP is opened to call an instant monitoring video picture or review the previous recorded video. When the cloud server is not arranged, the wireless transmission module can be still arranged in the control assembly, so that the wireless connection can be established between the control assembly and the camera assembly A and between the control assembly and the camera assembly B.
The remote control assembly comprises APP terminal software installed on the mobile terminal, the APP terminal software can send instructions to the control assembly through a cloud server to control the camera rotation action of the camera assembly A and/or the camera assembly B, or control the mechanical transmission unit assembly to implement specific action regulation or early warning to regulate and control the balance state of the suspension arm.
As shown in fig. 3, the height sensing assembly comprises a counting sensor 3, a wheel 31 pivotally mounted on the boom, a pair of support wheels 32 distributed under both sides of the wheel 31, and a pair of pre-tension wheels 33 arranged between the wheel 31 and the support wheels 32. The steel rope 400 is sequentially matched with the upper side of the curved surface of the supporting wheel 32 and the lower side of the curved surface of the pre-tightening wheel 33 on one side, the upper side of the curved surface of the rotating wheel 31 and the lower side of the curved surface of the pre-tightening wheel 33 and the upper side of the curved surface of the supporting wheel 32 on the other side along the length direction of the suspension arm 200. The pre-tightening wheel 33 can apply (elastic) pressure to the steel cable 400 to ensure a large contact surface between the steel cable 400 and the rotating wheel 31, so that the rotating wheel 31 can be driven to rotate synchronously when the steel cable 400 slides relative to the rotating wheel 31. The counting sensor 3 can count the number of positive and negative rotation turns of the rotating wheel 31. The control assembly can calculate the height position of the lifting hook 300 according to the number of turns of forward rotation and reverse rotation of the rotating wheel 31, and then the camera assembly A1 corresponding to the height position is selected to be started.
As shown in fig. 1, 4-5, the suspension arm control system further comprises a balance sensor 4 connected to the control assembly, the balance sensor comprises a laser transmitter 41, a main grating 42 and a swing grating 43, the laser transmitter 41 and the main grating 42 are fixedly mounted on the upright beam 100, and the main grating 42 is disposed in a vertical orientation, the swing grating 43 is mounted in a frame 40 (in the illustration, a slot 401 for mounting the swing grating 43 is disposed inside the frame), an upper end of the frame 40 is pivotally connected below the suspension arm 200, a hanging block 402 is disposed below the frame 40, so that the swing grating 43 disposed in the frame 40 can be always maintained in a vertical orientation, a beam 44 emitted by the laser transmitter 41 is tilted upward, passes through the main grating 42 and the swing grating 43 in sequence, when the suspension arm 200 is tilted upward α 1 or downward, the beam 44 is shifted in a vertical direction corresponding to the swing grating 43 (the position a corresponding to the position a when the suspension arm 200 is tilted upward or downward, the suspension arm control assembly can be mechanically controlled by analyzing a tilt angle of the control unit, and then the suspension arm control assembly can be controlled to be balanced by a specific operation.
The scheme of this patent still relates to a method to davit running state real time monitoring, and the mechanical structure that this method was based on includes the lifting hook that has through the wire cable even on the davit that found roof beam, the setting of upright roof beam upper portion, the davit, it still includes hardware component: a plurality of camera assemblies A. A plurality of camera assemblies A along vertical direction alternate arrange and install on founding the roof beam and the camera lens of camera towards lifting hook one side.
And switching and controlling at least one camera assembly A at the corresponding height to be started according to the height position of the lifting hook, and monitoring the surrounding condition of the lifting hook in real time.
If the camera shooting assembly A corresponding to the height position of the lifting hook is controlled to be started, the camera shooting assembly A can be a certain camera shooting assembly A which is upward or downward relative to the height position of the lifting hook, even the camera shooting assembly A with the smallest height difference is specifically judged from a plurality of camera shooting assemblies A corresponding to the height position of the lifting hook, and then the camera shooting assembly A is started.
If the two camera assemblies A corresponding to the height position of the lifting hook are controlled to be opened, the camera assemblies A corresponding to the height position of the lifting hook are oppositely arranged on the upper side and the lower side of the camera assemblies A respectively.
The lifting hook, the lifted materials on the lifting hook and the surrounding environment are monitored according to the method, the shooting visual angle of the monitoring picture can be switched in real time, the comprehensiveness of the shooting angle is guaranteed, and the obtained shooting picture is guaranteed to achieve the best effect.
The method also comprises a plurality of camera assemblies B. The front side and the rear side of the walking vehicle above the lifting hook are respectively provided with one camera shooting assembly B. The lens of the camera assembly B faces the lifting hook.
Camera shooting assembly A, camera shooting assembly B pass through the wireless network and be connected with high in the clouds service platform, finally establish with the APP that sets up on mobile terminal and be connected, can adjust the shooting angle of each camera in the camera shooting assembly of opening the state respectively at least through the APP. And the real-time pictures and/or review records shot by the camera assemblies can be checked through the APP.
In all the schemes of the patent, the cameras in the camera assembly A and the camera assembly B can preferably automatically focus in addition to the spatial rotation.
Still include the sensing unit that detects the balanced state of davit, this sensing unit conveys sensor signal to high in the clouds service platform and handles, makes the judgement that whether the davit is in balanced state and takes place the concrete situation of slope to convey the judged result to APP, corresponding instruction and/or video signal that APP sent remind and carry out the balance calibration. Can directly send the instruction through APP, the direct control is used for adjusting the balanced mechanical mechanism action of davit, rectifies the balanced state of davit.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Many modifications may be made to the present invention without departing from the spirit or scope of the general inventive concept, and it will be apparent to those skilled in the art that changes and modifications may be made to the above-described embodiments without departing from the spirit or scope of the invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. The utility model provides a system that can be to davit running state real time monitoring, even has the lifting hook through the steel cable on the davit that sets up on the upright beam upper portion, the davit to and can be used for at least regulating and control the mechanical transmission unit assembly of davit rotation action, lifting hook height, its characterized in that: the device also comprises a control assembly, a plurality of camera assemblies A and a height sensing assembly, wherein the camera assemblies A and the height sensing assembly are connected with the control assembly;
the camera assemblies A are distributed and installed on the vertical beam in the vertical direction at intervals and face one side of the lifting hook; the camera of the camera assembly A can rotate in space;
the height sensing assembly can detect the height position of the lifting hook and transmit the instant height position information of the lifting hook to the control assembly, so that the control assembly selectively starts at least one camera shooting assembly A corresponding to the height position of the lifting hook at the moment;
the control assembly comprises a display screen, and the display screen can reflect the picture shot by the camera assembly A to the display screen;
the balance sensor is connected with the control assembly and comprises a light source emitter, a main grating and a rotary swing grating;
the light source emitter and the main grating are fixedly arranged on the vertical beam, and the main grating is arranged along the vertical direction;
the rotary swing grating is arranged in a frame, and the upper end of the frame is pivotally connected below the suspension arm; a hanging block is arranged below the frame, so that the rotary swing grating arranged in the frame can be always kept in a vertical direction;
the light beam emitted by the light source emitter inclines upwards or downwards and sequentially passes through the main grating and the rotary swing grating.
2. The system capable of monitoring the operating state of the suspension arm in real time according to claim 1, wherein: the camera shooting device also comprises a plurality of camera shooting assemblies B connected with the control assembly, and a camera of the camera shooting assemblies B can rotate in space;
the camera assembly B is at least arranged at the front end and the rear end of the walking vehicle above the lifting hook; the control assembly can respectively reflect the pictures shot by the camera assembly A and the camera assembly B on a display screen.
3. The system capable of monitoring the operating state of the suspension arm in real time according to claim 2, wherein: the system also comprises a cloud server; a wireless transmission module which can be connected with the cloud server and performs interactive transmission of data is arranged in the control assembly; the storage module of the cloud server can store pictures shot by the camera assembly A and the camera assembly B, transmit the pictures to the remote control assembly through a wireless network, and display the pictures on a screen of the remote control assembly.
4. The system capable of monitoring the operating state of the suspension arm in real time according to claim 3, wherein: the remote control assembly includes the APP of installing on mobile terminal, this APP can pass through high in the clouds server to control assembly send command, control assembly A and/or the camera rotation of assembly B make a video recording, perhaps control mechanical transmission unit assembly and implement specific action regulation and control or early warning regulation and control davit's balanced state.
5. The system capable of monitoring the operating state of the suspension arm in real time according to claim 1, wherein: the height sensing assembly comprises a counting sensor, a rotating wheel, a pair of supporting wheels and a pair of pre-tightening wheels, wherein the rotating wheel is pivotally arranged on the suspension arm, the pair of supporting wheels are distributed below two sides of the rotating wheel, and the pair of pre-tightening wheels are arranged between the rotating wheel and the supporting wheels;
the steel rope is sequentially matched with the upper side of the curved surface of the supporting wheel on one side, the lower side of the curved surface of the pre-tightening wheel, the upper side of the curved surface of the rotating wheel, the lower side of the curved surface of the pre-tightening wheel on the other side and the upper side of the curved surface of the supporting wheel along the length direction of the suspension arm;
the pre-tightening wheel can apply elastic pressure to the steel rope to ensure that a contact surface is formed between the steel rope and the rotating wheel, so that the rotating wheel can be driven to synchronously rotate when the steel rope slides relative to the rotating wheel;
the counting sensor can count the number of positive and negative rotation turns of the rotating wheel;
the control assembly can calculate the height position of the lifting hook according to the number of turns of the rotating wheel in forward rotation and reverse rotation, and then the camera assembly A corresponding to the height position is selected to be started.
6. The method for monitoring the system capable of monitoring the operation state of the suspension arm in real time based on the claim 1 is characterized in that:
switching and controlling at least one camera assembly A at the corresponding height to be started according to the height position of the lifting hook, and monitoring the surrounding condition of the lifting hook in real time;
the balance sensor transmits the sensing signal to the cloud service platform for processing, judges whether the suspension arm is in a balance state and specific conditions of inclination, transmits the judgment result to the APP, and reminds the APP to perform balance calibration through corresponding instructions and/or video signals sent by the APP.
7. The monitoring method according to claim 6, characterized in that: the system also comprises a plurality of camera assemblies B; the front side and the rear side of the walking vehicle above the lifting hook are respectively provided with one camera shooting assembly B; the lens of the camera assembly B faces the lifting hook.
8. The monitoring method according to claim 6 or 7, characterized in that: the camera shooting assembly A and/or the camera shooting assembly B are connected with the cloud service platform through the wireless network, finally are connected with the APP arranged on the mobile terminal, and at least the shooting angles of the cameras in the camera shooting assemblies in the starting states can be adjusted respectively through the APPs, and/or real-time pictures shot by the camera shooting assemblies and/or review recording pictures are checked.
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| CN201910419023.9A CN110155882B (en) | 2019-05-20 | 2019-05-20 | System and method capable of monitoring operation state of suspension arm in real time |
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| CN201910419023.9A CN110155882B (en) | 2019-05-20 | 2019-05-20 | System and method capable of monitoring operation state of suspension arm in real time |
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| EP1491855A1 (en) * | 2003-06-23 | 2004-12-29 | Leica Geosystems AG | Optical inclination sensor |
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| CN104355234A (en) * | 2014-10-29 | 2015-02-18 | 韶关市博仕乐液压机械制造有限公司 | Stroke detection device for crane steel rope |
| CN208361734U (en) * | 2018-06-20 | 2019-01-11 | 智慧工匠科技有限公司 | A kind of tower crane operation monitoring system |
| CN108996399A (en) * | 2018-10-10 | 2018-12-14 | 闽江学院 | A kind of bridge crane monitoring system |
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