CN221319018U - Tower crane safety monitoring device based on GNSS - Google Patents
Tower crane safety monitoring device based on GNSS Download PDFInfo
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- CN221319018U CN221319018U CN202323431920.2U CN202323431920U CN221319018U CN 221319018 U CN221319018 U CN 221319018U CN 202323431920 U CN202323431920 U CN 202323431920U CN 221319018 U CN221319018 U CN 221319018U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 34
- 238000012544 monitoring process Methods 0.000 claims abstract description 99
- 230000000007 visual effect Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 3
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- 208000014674 injury Diseases 0.000 abstract description 3
- 230000001427 coherent effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 230000003750 conditioning effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
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- 239000004566 building material Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
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Abstract
The utility model provides a tower crane safety monitoring device based on GNSS, comprising: GNSS monitoring antennas fixedly arranged at different positions of the tower crane and used for receiving satellite signals; the wind speed sensor is fixedly arranged on the tower crane to obtain wind speed information; the monitoring terminal is connected with the GNSS monitoring antenna and the wind speed sensor, and analyzes satellite signals sent by the GNSS monitoring antenna to obtain positioning information; the audible and visual alarm module is connected with the monitoring terminal and realizes alarm according to alarm early warning decision of the monitoring terminal; the monitoring device adopts a GNSS coherent measurement mode, realizes real-time automatic monitoring of the verticality and the running state of the tower crane, and can automatically early warn and alarm danger, thereby effectively avoiding or reducing personnel injury accidents caused by abnormal running of the tower crane.
Description
Technical Field
The utility model belongs to the technical field of structure deformation monitoring equipment and facilities, and particularly relates to a tower crane safety monitoring device based on GNSS.
Background
The tower crane is a large-scale hoisting device commonly used in building construction, and the tower crane is used for lifting building materials from the ground or low to high for construction. However, due to factors such as heavy weight, high height, complex operation and the like of the tower crane, if effective safety monitoring and management are not performed, certain potential safety hazards exist, and great danger is brought to a construction site.
Therefore, the safety monitoring of the tower crane becomes more and more important in modern building construction, potential safety hazards can be found and processed in time through real-time monitoring and data analysis of the running state of the tower crane, personnel injury accidents and property loss caused by abnormal running of the tower crane are avoided or reduced, and meanwhile, the use efficiency and safety of the tower crane can be improved through the safety monitoring of the tower crane, and the maintenance cost is reduced.
In recent years, the safety accidents of the tower crane occur, such as the inclination or collapse of the tower crane during the installation or disassembly process or during the use of the tower crane due to various reasons, so that the casualties and property loss are caused; the tower crane arm receives external force impact or overload etc. in operation, leads to the arm rupture to influence tower crane's availability factor and security.
Traditional tower crane safety monitoring mainly relies on artificial mode, if the straightness needs to be measured with the manual dotting of total powerstation, wastes time and energy, the operation is complicated, and measuring result still has a large amount of manual errors. Manipulation of the boom often requires reliance on operator experience, and is not strictly standard or practice.
For example, patent document CN202220242850.2 discloses a tower crane deformation monitoring device, which includes:
The deformation signal induction terminal comprises a plurality of strain gauges arranged at the deformation dangerous points of the tower crane and is used for inducing deformation signals of the deformation dangerous points of the tower crane;
The deformation signal acquisition module is connected with the deformation signal induction terminal and is used for acquiring deformation signals induced by the deformation signal induction terminal;
the signal conditioning circuit is connected with the deformation signal acquisition module and used for converting the deformation analog signals into deformation digital signals;
The controller is connected with the signal conditioning circuit and is used for processing and calculating deformation signals to obtain deformation quantification values at deformation dangerous points of each tower crane;
the upper computer is connected with the controller through a data transmission module and is used for acquiring an output signal of the controller;
The internal audible and visual alarm module is connected with the upper computer, and sends out audible and visual alarm signals when the deformation of the tower crane exceeds a threshold value, so as to carry out audible and visual alarm on an operator of the tower crane;
The external audible and visual alarm module is connected with the upper computer, and is used for sending out audible and visual alarm signals when the deformation of the tower crane exceeds a threshold value and giving out audible and visual alarms to workers around the falling point of the tower crane;
And the display module is connected with the upper computer and used for displaying the deformation quantization numerical value of the tower crane.
The prior art has the following technical problems in the practical application process:
The deformation signals of the deformation dangerous points of the tower crane are induced by the mode that the strain gauges are arranged on the deformation dangerous points of the tower crane, so that only local deformation of the tower crane can be obtained, and the non-deformation dangerous points on the tower crane cannot be effectively monitored.
Based on the technical problems in the prior art, the utility model provides a tower crane safety monitoring device based on GNSS.
Disclosure of utility model
The utility model provides a tower crane safety monitoring device based on GNSS.
The utility model adopts the following technical scheme:
A GNSS-based tower crane safety monitoring device, comprising:
GNSS monitoring antennas fixedly arranged at different positions of the tower crane and used for receiving satellite signals;
The wind speed sensor is fixedly arranged on the tower crane to obtain wind speed information;
The monitoring terminal is connected with the GNSS monitoring antenna and the wind speed sensor, and analyzes satellite signals sent by the GNSS monitoring antenna to obtain positioning information;
and the audible and visual alarm module is connected with the monitoring terminal and realizes alarm according to alarm early warning decision of the monitoring terminal.
Further, the monitoring terminal comprises an MCU, a positioning module, a 4G module and a radio station module, wherein the 4G module, the radio station module and the positioning module are connected to the MCU, the positioning module is used for analyzing satellite signals sent by the GNSS monitoring antenna to obtain positioning information, the 4G module is used for uploading monitoring results to a server through a 4G network, the radio station module is used for receiving or sending differential information, and the MCU calculates to make alarm early warning decisions according to the obtained positioning information and controls data transmission of the 4G module and the radio station module.
Further, two GNSS monitoring antennas are arranged, and the two GNSS monitoring antennas are respectively arranged at different positions of the tower crane and used for receiving satellite signals.
Further, the tower crane safety monitoring device based on GNSS further comprises a 4G antenna, wherein the 4G antenna is connected with the 4G module, and the 4G antenna is fixedly arranged at the 4G antenna interface and used for receiving and transmitting 4G network signals.
Further, the tower crane safety monitoring device based on the GNSS further comprises a radio antenna, wherein the radio antenna is connected to a radio antenna interface and used for receiving and transmitting differential signals in the 800MHz frequency band.
Further, the monitoring terminal comprises a monitoring terminal shell, and the MCU, the positioning module, the radio station module and the 4G module are fixedly arranged in the monitoring terminal shell.
Further, a GNSS monitoring antenna interface, a 4G antenna interface, a radio station antenna interface, a 4G indicator lamp, a power indicator lamp and a data input/output interface are arranged on the monitoring terminal shell.
Further, the GNSS-based tower crane safety monitoring device further comprises a reference station connected to the monitoring terminal to provide differential information to the monitoring terminal.
Further, the GNSS monitoring antennas are symmetrically installed along the tower foundation center position of the tower crane.
Further, the reference station is installed in an open environment of a construction site area where the tower crane is located.
Further, the audible and visual alarm module comprises a siren and a warning lamp, wherein the siren is used for emitting alarm sound, and the warning lamp is used for alarming and displaying.
Compared with the prior art, the utility model has the advantages that:
The GNSS-based tower crane safety monitoring device adopts a GNSS coherent measurement mode to realize real-time automatic monitoring of the verticality and the running state of the tower crane, and can effectively avoid or reduce personnel injury accidents caused by abnormal running of the tower crane.
Drawings
Fig. 1 is a schematic structural diagram of a monitoring terminal according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the interior of a monitoring terminal;
FIG. 3 is a schematic diagram illustrating a monitoring principle of a GNSS-based tower crane safety monitoring device according to an embodiment of the present utility model;
FIG. 4 is a schematic diagram illustrating the installation of two monitoring antennas according to an embodiment of the present utility model;
FIG. 5 is a schematic view of the monitoring device according to the embodiment of the present utility model mounted on a tower crane;
Fig. 6 is a schematic diagram of monitoring the verticality of a tower crane by using the monitoring device in an embodiment of the utility model.
In the figure, a 1-GNSS monitoring antenna;
2-a wind speed sensor;
The system comprises a 3-monitoring terminal, a 301-MCU, a 302-positioning module, a 303-4G module, a 304-radio station module, a 31-monitoring terminal shell, a 311-GNSS monitoring antenna interface, a 312-4G antenna interface, a 313-4G indicator lamp, a 314-power indicator lamp, a 315-data input/output interface and a 316-radio station antenna interface;
4-audible and visual alarm module.
Detailed Description
In order that the above-recited objects, features and advantages of the present utility model can be more clearly understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, it being understood that embodiments of the utility model and features of the embodiments may be combined with each other without departing from the scope of the appended claims.
Examples
The tower crane safety monitoring device based on GNSS includes:
The GNSS monitoring antenna 1 is fixedly arranged at different positions of the tower crane and is used for receiving satellite signals;
the wind speed sensor 2 is fixedly arranged on the tower crane to obtain wind speed information;
The monitoring terminal 3 is connected with the GNSS monitoring antenna 1 and the wind speed sensor 2, and analyzes satellite signals sent by the GNSS monitoring antenna 1 to obtain positioning information;
and the audible and visual alarm module 4 is connected with the monitoring terminal 3 and realizes alarm according to alarm early warning decision of the monitoring terminal.
As shown in fig. 2, the monitoring terminal 3 includes an MCU301, a positioning module 302, a 4G module 303, and a station module 304, where the 4G module, the station module, and the positioning module are all connected to the MCU, the positioning module is configured to parse satellite signals sent by the GNSS monitoring antenna to obtain positioning information, the 4G module is configured to upload a monitoring result to a server through a 4G network, the station module is configured to receive or send differential information, and the MCU calculates to make an alarm early warning decision according to the obtained positioning information, and control data transmission of the 4G module and the station module.
Illustratively, the MCU selects STM32f405;
The positioning module is a UM482 module;
the 4G module adopts an Air720 module;
The radio station module adopts an H800 module.
As shown in fig. 4, two GNSS monitoring antennas 1 are provided, and the two GNSS monitoring antennas 1 are respectively installed at different positions of the tower crane for receiving satellite signals;
preferably, the GNSS monitoring antennas 1 are symmetrically installed along the tower foundation center position of the tower crane;
In the above embodiment, the tower foundation center position point is located by two GNSS monitoring antennas 1 installed symmetrically with respect to the tower foundation center position point;
The base of the tower crane is penetrated through the center of the tower crane by using a mounting rod, and the two GNSS monitoring antennas A, B of the monitoring terminal 3 are respectively mounted on the mounting rod and are symmetrical with respect to the center point of the tower crane, so that the position coordinates of the center O point of the tower base are calculated;
The tower crane safety monitoring device based on GNSS further comprises a 4G antenna, wherein the 4G antenna is connected to the 4G module 303, and the 4G antenna is fixedly arranged at the 4G antenna interface 312 and is used for receiving and transmitting 4G network signals;
The tower crane safety monitoring device based on GNSS further comprises a radio antenna, wherein the radio antenna is connected to the radio module 304, and the radio antenna is arranged at the radio antenna interface 316 and is used for receiving and transmitting differential signals in the 800MHz frequency band.
As shown in fig. 1, the monitoring terminal 3 includes a monitoring terminal housing 31, and the MCU, the positioning module and the 4G module are fixedly disposed in the monitoring terminal housing 31;
The monitoring terminal housing 31 is provided with a GNSS monitoring antenna interface 311, a 4G antenna interface 312, a 4G indicator light 313, a power indicator light 314, a data input/output interface 315, and a radio station antenna interface 316;
Illustratively, the GNSS monitoring antenna interface employs a TNC interface;
the 4G antenna interface 312 employs an SMA interface;
the station antenna interface 316 adopts an SMA interface;
The data input/output interface 315 adopts a DB26 interface.
The tower crane safety monitoring device based on GNSS also comprises a reference station, wherein the reference station is connected with the monitoring terminal 3 to provide differential information for the monitoring terminal 3;
preferably, the reference station is arranged in an open environment of a construction site area where the tower crane is positioned;
In the above embodiment, the reference station provides differential information for the monitoring device mounted on the tower crane, so as to achieve accurate positioning; the monitoring device is firstly tested at the tower foundation position once, a central position point of the tower foundation is determined, and then the monitoring device is installed at the tower top position for real-time monitoring;
As an alternative, the monitoring terminal can be configured to be in a reference station mode as a reference station, and provide differential information for the monitoring station terminal through a radio station, as shown in fig. 3, the reference station is a monitoring terminal configured to be in the reference station mode, and is installed in an open environment of a site area where a tower crane is located, and the differential information is broadcast in an 800MHz frequency band through the radio station module 304; the monitoring terminal 3 is installed and measured on the tower foundation once, receives satellite signals and differential information, realizes accurate positioning, and positions the central point of the tower foundation; the monitoring terminal 3 is mounted at the top of the tower crane, receives satellite signals and differential information, and realizes real-time accurate positioning, so that real-time monitoring of the tower crane is realized; and the monitoring terminal 3 transmits the monitoring result to the server through the 4G network to form a display interface, and the display interface is intuitively fed back to field monitoring personnel through a server display.
The audible and visual alarm module 4 includes alarm siren and warning light, alarm siren is used for sending alarm sound, the warning light is used for warning demonstration.
As shown in fig. 5, an exemplary installation manner of the monitoring device, an installation position of the GNSS monitoring antenna 1, the wind speed sensor 2, the monitoring terminal 3, and the audible and visual alarm module 4 is shown in fig. 5; after the position coordinates of the central O point of the tower foundation are obtained, the monitoring terminal 3 is installed at the top of the tower crane again, the GNSS monitoring antennas 1 are installed at the positions A ', B' of the tower crane respectively, the distance r from the central position of the top of the tower crane, through which the boom passes, is measured, the wind speed sensor 2 and the audible and visual alarm module 4 are installed on the rotary supporting seat, the monitoring terminal 3 calculates the verticality and the deformation quantity of the boom in real time, and gives corresponding alarm information according to the set alarm threshold combined with wind speed information.
As shown in fig. 6, the displacement of the central point of the tower top can be calculated in real time by measuring data, and the verticality of the tower crane can be obtained by dividing the displacement by the height H.
The present utility model is not limited to the above-described embodiments, and the above-described embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims.
Claims (10)
1. GNSS-based tower crane safety monitoring device, characterized by comprising:
GNSS monitoring antennas fixedly arranged at different positions of the tower crane and used for receiving satellite signals;
The wind speed sensor is fixedly arranged on the tower crane to obtain wind speed information;
The monitoring terminal is connected with the GNSS monitoring antenna and the wind speed sensor, and analyzes satellite signals sent by the GNSS monitoring antenna to obtain positioning information;
and the audible and visual alarm module is connected with the monitoring terminal and realizes alarm according to alarm early warning decision of the monitoring terminal.
2. The GNSS-based tower crane safety monitoring device according to claim 1, wherein the monitoring terminal comprises an MCU, a positioning module, a 4G module and a station module, the 4G module, the station module and the positioning module are all connected to the MCU, the positioning module is configured to parse satellite signals sent by the GNSS monitoring antenna to obtain positioning information, the 4G module is configured to upload monitoring results to a server through a 4G network, the station module is configured to receive or send differential information, and the MCU calculates to make alarm and early warning decisions according to the obtained positioning information, and controls data transmission of the 4G module and the station module.
3. The GNSS based tower crane safety monitoring device of claim 1, wherein the GNSS monitoring antennas are provided in two pieces, and the two pieces of GNSS monitoring antennas are respectively mounted at different positions of the tower crane for receiving satellite signals.
4. The GNSS based tower crane safety monitoring device of claim 2, further including a 4G antenna, the 4G antenna being connected to the 4G module, the 4G antenna being configured to receive and transmit 4G network signals.
5. The GNSS based tower crane safety monitoring device of claim 4, wherein the monitoring terminal includes a monitoring terminal housing, and the MCU, the positioning module, the station module, and the 4G module are all fixedly disposed within the monitoring terminal housing.
6. The safety monitoring device for the GNSS-based tower crane according to claim 5, wherein the monitoring terminal housing is provided with a GNSS monitoring antenna interface, a 4G indicator light, a power indicator light and a data input/output interface.
7. The GNSS based tower crane safety monitoring device of claim 1, further including a reference station connected to the monitoring terminal to provide differential information to the monitoring terminal.
8. A GNSS based tower crane safety monitoring device according to claim 3, wherein the GNSS monitoring antennas are point symmetrically mounted along a tower base center position of the tower crane.
9. The GNSS based tower crane safety monitoring device of claim 7, wherein the reference station is installed in an open environment in a worksite area where the tower crane is located.
10. The GNSS based tower crane safety monitoring device of claim 1, wherein the audible and visual alarm module includes a siren for sounding an alarm and a warning light for alarm display.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221319018U true CN221319018U (en) | 2024-07-12 |
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