CN208606801U - Monitoring device for tower crane - Google Patents
Monitoring device for tower crane Download PDFInfo
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- CN208606801U CN208606801U CN201821179260.XU CN201821179260U CN208606801U CN 208606801 U CN208606801 U CN 208606801U CN 201821179260 U CN201821179260 U CN 201821179260U CN 208606801 U CN208606801 U CN 208606801U
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- monitoring device
- tower crane
- value
- fiber
- fiber grating
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Abstract
The utility model provides a kind of monitoring device for tower crane, comprising: the fiber-optic grating sensor connecting with tower crane；Optical fibre interrogation instrument, fiber-optic grating sensor are connect with optical fibre interrogation instrument, and optical fibre interrogation instrument can receive and process the monitor value of fiber-optic grating sensor transmission.The utility model solves the problems, such as that the precision of tower crane monitoring device in the prior art is low.
Description
Technical field
The utility model relates to tower crane monitoring technical fields, in particular to a kind of monitoring device for tower crane.
Background technique
Tower crane is the unloading equipment of building yard indispensability, has that operation height is big, hangs the spies such as loading capacity is big, the activity duration is long
Point, installation and use process in its safety it is critically important, especially its stability is particularly important in use process.Tower crane verticality is
One important safety index of its stability of testing and assessing, the generation of most accidents and the verticality of tower crane have more than required standard
It closes.,
Current most commonly used tower crane verticality measuring method remains the manual measurement using theodolite and target cooperation
Mode, this method is complicated for operation in implementation process, and the data precision measured is lower, cannot achieve real-time monitoring, and operate
Restrictive condition is more, for example can not be monitored at night or bad weather.
Utility model content
It is in the prior art to solve the main purpose of the utility model is to provide a kind of monitoring device for tower crane
The low problem of the precision of tower crane monitoring device.
To achieve the goals above, the utility model provides a kind of monitoring device for tower crane, comprising: connects with tower crane
The fiber-optic grating sensor connect；Optical fibre interrogation instrument, fiber-optic grating sensor are connect with optical fibre interrogation instrument, and optical fibre interrogation instrument can connect
Receive and handle the monitor value of fiber-optic grating sensor transmission.
Further, fiber-optic grating sensor includes: fiber grating inclinometer, and tower crane is arranged in fiber grating inclinometer
On tower body, to monitor the inclination conditions of tower crane and tilting value be transmitted to optical fibre interrogation instrument；Fiber grating wind sensor, optical fiber
The top of tower crane is arranged in grating wind sensor, to monitor the wind conditions at the top of tower crane and air speed value is transmitted to optical fiber
(FBG) demodulator.
Further, fiber grating inclinometer includes: shell, and shell is fixedly connected with tower body；Crossbeam, the first end of crossbeam
It is immobilized in the shell, the second end suspension of crossbeam；The second end of pendulum, pendulum and crossbeam connects；Fiber grating sensing element, light
Fine grating sensing element is arranged on the side wall of crossbeam, and connect with optical fibre interrogation instrument, and when crossbeam bend, fiber grating is sensitive
Element can incude the bending stress of crossbeam, to reflect the inclination conditions of tower crane.
Further, fiber grating inclination angle is calculated as multiple, and each fiber grating inclinometer is set along the extending direction interval of tower body
It sets on tower body.
Further, after fiber grating inclinometer and fiber grating wind sensor are connected by optical cable with the same optical fiber
(FBG) demodulator connection.
Further, monitoring device further include: display component；Transmission assembly, transmission assembly are connect with optical fibre interrogation instrument, and
Tilting value and air speed value that optical fibre interrogation instrument exports are transferred to display component, display component is by the tilting value and air speed value of tower crane
It shows.
Further, monitoring device further includes early warning component, and early warning component can receive the tilting value of transmission assembly transmission,
And by tilting value compared with predetermined inclination value, when tilting value is greater than predetermined inclination value, early warning component issues prompt.
Further, monitoring device further includes early warning component, and early warning component can receive the air speed value of transmission assembly transmission,
And by air speed value compared with default air speed value, when air speed value is greater than default air speed value, early warning component issues prompt.
Further, transmission assembly has wireless transport module, and display component has wireless receiving module, and wireless receiving
Module can receive the tilting value and air speed value of wireless transport module transmission.
Further, display component includes LCD display, and the tilting value and air speed value of tower crane can be shown in LCD and show
On screen.
Using the technical solution of the utility model, by the way that fiber-optic grating sensor is arranged on tower crane, so that tower crane hangs down
Straight degree variable quantity and the wind speed of working site etc. influence the factor that tower crane works normally and carry out real-time monitoring, and monitoring is obtained
Monitor value is transferred to optical fibre interrogation instrument and is analyzed and handled.By being provided with fiber-optic grating sensor, tower crane scene is reduced
Influence of the complex environment to measurement, guarantees the measurement accuracy of fiber-optic grating sensor, while reducing operator monitoring amount, drop
Interference of the low external environment to monitoring device improves the measurement accuracy of monitoring device, realizes verticality and work to tower crane
The real-time monitoring of site environment.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide a further understanding of the present invention, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the monitoring device of the utility model.
Wherein, the above drawings include the following reference numerals:
10, fiber-optic grating sensor；11, fiber grating inclinometer；12, fiber grating wind sensor；20, optical fibre interrogation
Instrument；30, display component；40, transmission assembly；50, early warning component.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be pointed out that unless otherwise specified, all technical and scientific terms used in this application have and the application
The normally understood identical meanings of person of an ordinary skill in the technical field.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, top, bottom " is usually
It is for direction shown in the drawings, or for component itself is on vertical, vertical or gravity direction；Together
Sample, it for ease of understanding and describes, " inside and outside " refers to the inside and outside of the profile relative to each component itself, but the above-mentioned noun of locality is simultaneously
It is not used in limitation the utility model.
Precision in order to solve the problems, such as tower crane monitoring device in the prior art is low, and the utility model provides a kind of use
In the monitoring device of tower crane.
A kind of monitoring device for tower crane as shown in Figure 1, including the fiber-optic grating sensor 10 that is connect with tower crane and
Optical fibre interrogation instrument 20, fiber-optic grating sensor 10 are connect with optical fibre interrogation instrument 20, and optical fibre interrogation instrument 20 can receive and process light
The monitor value that fiber grating sensor 10 transmits.
The present embodiment on tower crane by being arranged fiber-optic grating sensor 10, so that the verticality variable quantity of tower crane and work
The wind speed at scene etc. influences the factor that tower crane works normally and carries out real-time monitoring, and the monitor value that monitoring obtains is transferred to optical fiber
(FBG) demodulator 20 is analyzed and is handled.By being provided with fiber-optic grating sensor 10, the complex environment pair at tower crane scene is reduced
The influence of measurement guarantees the measurement accuracy of fiber-optic grating sensor 10, while reducing operator monitoring amount, reduces external environment
Interference to monitoring device, improves the measurement accuracy of monitoring device, realizes to the verticality of tower crane and job site environment
Real-time monitoring.
Optionally, fiber-optic grating sensor 10 includes fiber grating inclinometer 11 and fiber grating wind sensor 12, light
Fine grating inclinometer 11 is arranged on the tower body of tower crane, to monitor the inclination conditions of tower crane and tilting value is transmitted to optical fibre interrogation
Instrument 20；The top of tower crane is arranged in fiber grating wind sensor 12, to monitor the wind conditions at the top of tower crane and by wind speed
Value is transmitted to optical fibre interrogation instrument 20.
Specifically, fiber grating inclinometer 11 is mainly monitored the verticality of tower crane, prevents tower crane run-off the straight from leading
Safety accident is caused, fiber grating wind sensor 12 is mainly monitored the wind speed and wind scale of site environment, prevents scene
The wind-force of environment is excessive to be caused to have an impact the safety of tower crane, and the two is arranged jointly to be carried out entirely with the security situation to tower crane
Face monitoring, guarantees the safety of tower crane.It is, of course, also possible to which the other kinds of fiber grating that needs to increase depending on the site environment passes
Sensor.
In the present embodiment, fiber grating inclinometer 11 includes shell, crossbeam, pendulum and fiber grating sensing element, shell
Body is fixedly connected with tower body；The first end of crossbeam is immobilized in the shell, the second end suspension of crossbeam；The second end of pendulum and crossbeam
Connection；Fiber grating sensing element is arranged on the side wall of crossbeam, and connect with optical fibre interrogation instrument 20, when crossbeam bend, light
Fine grating sensing element can incude the bending stress of crossbeam, to reflect the inclination conditions of tower crane.
Specifically, shell is fixed on the side wall of tower body, on the inner wall of the housing on be fixed with a crossbeam, the first end of crossbeam
It is fixedly connected with the casing, the other end does not contact with shell but is vacantly arranged, and is linked with a pendulum in hanging second end
Hammer, pendulum can follow the variation of tower body to swing, fiber grating sensing element are disposed on the side wall of crossbeam, when
When tower crane run-off the straight, fiber grating inclinometer 11 is integral inclined, thus shell and crossbeam also can run-off the straight, but pendulum exists
Still maintain vertical under gravity, thus crossbeam can be changed by the power of pendulum, so that the bending degree of crossbeam also can
It changes, the fiber grating sensing element being arranged on crossbeam can experience the variation of bending stress, and generation is inclined accordingly
Oblique signal, and tilt signals are sent to optical fibre interrogation instrument 20 and are handled.
In the present embodiment, fiber grating inclinometer 11 is multiple, and each fiber grating inclinometer 11 is along the extension side of tower body
To being arranged at intervals on tower body.
Specifically, tower body is usually to be formed by multiple cubes are stacked, and fiber grating inclinometer 11 is arranged in cube
Towards on identical surface, and be provided with fiber grating inclinometer 11 on not each cube, but spaced,
That is, first on the surface of the lower cube in position be arranged a fiber grating inclinometer 11, then up be spaced 2 to
3 cubes, a then fiber grating inclinometer 11 is set, and so on fiber grating inclinometer 11 is installed on tower body,
The installation and subsequent data handling procedure of fiber grating inclinometer 11 are facilitated in this way, while ensure that monitoring accuracy.When
So, fiber grating inclinometer 11 can also be respectively provided on each cube.
In an embodiment (not shown), fiber grating inclinometer 11 is to be arranged on tower body in a spiral fashion
's.Specifically, the side of cube, which is divided into head and the tail, is sequentially connected with the first face, the second face, third face and fourth face, cube
What it is towards the same direction plane is the first face, the second face, third face, fourth face and the first noodles seemingly, in a cube
The first face on be provided with fiber grating inclinometer 11, the cube above the cube is (between two cubes not necessarily
Be provided with fiber grating inclinometer 11 on the second face continuously), then more top cube (between two cubes not necessarily
Fiber grating inclinometer 11 is arranged in third face continuously), and so on, so that fiber grating inclinometer 11 is whole twist.
It is of course also possible to fiber grating inclinometer 11 arbitrarily be arranged on the surface of each cube, without making fiber grating inclinometer
The 11 well-regulated forms of tool.
In the present embodiment, fiber grating inclinometer 11 has multiple, and fiber grating wind sensor 12 only has one, each light
Fine grating inclinometer 11 and fiber grating wind sensor 12 are connect after being connected by optical cable with the same optical fibre interrogation instrument 20.Light
Fine (FBG) demodulator 20 is the place that stablizes being arranged on the ground, or setting is on dedicated reference platform, to having received optical fiber light
The optical signal of gate sensor 10 carries out demodulation transmission.
As shown in Figure 1, monitoring device further includes display component 30 and transmission assembly 40, transmission assembly 40 and optical fibre interrogation instrument
20 connections, and tilting value and air speed value that optical fibre interrogation instrument 20 exports are transferred to display component 30, display component 30 is by tower crane
Tilting value and air speed value show.
In the present embodiment, transmission assembly 40 has wireless transport module, and display component 30 has wireless receiving module, and
Wireless receiving module can receive the tilting value and air speed value of wireless transport module transmission.By tower crane by way of wireless transmission
The various data at scene carry out remote transmission, and show on remotely located display component 30, to facilitate staff
Check.It is of course also possible to carry out the transmission of data by way of wire transmission.
Optionally, monitoring device further includes early warning component 50, and early warning component 50 can receive inclining for the transmission of transmission assembly 40
Inclined value, and by tilting value compared with predetermined inclination value, when tilting value is greater than predetermined inclination value, early warning component 50 issues prompt.
Early warning component 50 can also receive the air speed value of the transmission of transmission assembly 40, and air speed value is worked as wind speed compared with default air speed value
When value is greater than default air speed value, early warning component 50 issues prompt.
Specifically, optical fibre interrogation instrument 20 is connect with early warning component 50, optical fibre interrogation instrument 20 will the obtained tilting value of processing and
For air speed value by 40 remote transmission of transmission assembly to early warning component 50, early warning component 50 receives corresponding data, and by its with
Predetermined inclination value or default air speed value are compared, when the data of actual measurement exceed preset range, 50 energy of early warning component
Enough display reminding languages issue prompt tone, to remind staff to carry out corresponding measure in time, guarantee the peace at tower crane scene
Entirely, the generation of safety accident is avoided.
Optionally, display component 30 includes LCD display, and the tilting value and air speed value of tower crane can be shown in LCD and show
On screen.Certainly, display component 30 can also include other auxiliary members, to be more effectively carried out the display of tower crane state.
It can be seen from the above description that the above embodiments of the utility model achieve the following technical effects:
1, solve the problems, such as that the precision of tower crane monitoring device in the prior art is low；
2, it with fiber grating inclinometer and fiber grating wind sensor, may be implemented to tower crane verticality and live wind
The real-time monitoring of speed and wind scale, and when monitor value is more than preset value, it sounds an alarm in time, avoids the generation of accident；
3, easy to operate, the remote transmission of data may be implemented, strong antijamming capability, the loss of signal is less, monitors number
According to precision height, guarantee is provided for the stability of tower crane.
Obviously, above-mentioned described embodiment is only the embodiment of the utility model a part, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The range of the utility model protection all should belong in the every other embodiment obtained.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, work, device, component and/or their combination.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so that presently filed embodiment described herein can be in addition to illustrating herein
Or the sequence other than those of description is implemented.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of monitoring device for tower crane characterized by comprising
The fiber-optic grating sensor (10) being connect with tower crane；
Optical fibre interrogation instrument (20), the fiber-optic grating sensor (10) connect with the optical fibre interrogation instrument (20), the optical fiber solution
Adjust instrument (20) that the monitor value of the fiber-optic grating sensor (10) transmission can be received and processed.
2. monitoring device according to claim 1, which is characterized in that the fiber-optic grating sensor (10) includes:
Fiber grating inclinometer (11), the fiber grating inclinometer (11) is arranged on the tower body of the tower crane, to monitor
It states the inclination conditions of tower crane and tilting value is transmitted to the optical fibre interrogation instrument (20)；
The top of the tower crane is arranged in fiber grating wind sensor (12), the fiber grating wind sensor (12), with
It monitors the wind conditions at the top of the tower crane and air speed value is transmitted to the optical fibre interrogation instrument (20).
3. monitoring device according to claim 2, which is characterized in that the fiber grating inclinometer (11) includes:
Shell, the shell are fixedly connected with the tower body；
Crossbeam, the first end of the crossbeam are fixed in the shell, the second end suspension of the crossbeam；
Pendulum, the pendulum are connect with the second end of the crossbeam；
Fiber grating sensing element, the fiber grating sensing element are arranged on the side wall of the crossbeam, and with the optical fiber
(FBG) demodulator (20) connection, when the crossbeam bend, the fiber grating sensing element can incude the horizontal deflection of beam and answer
Power, to reflect the inclination conditions of the tower crane.
4. monitoring device according to claim 2, which is characterized in that the fiber grating inclinometer (11) be it is multiple, respectively
The fiber grating inclinometer (11) is arranged at intervals on the tower body along the extending direction of the tower body.
5. monitoring device according to claim 2, which is characterized in that the fiber grating inclinometer (11) and the optical fiber
Grating wind sensor (12) is connect after being connected by optical cable with the same optical fibre interrogation instrument (20).
6. monitoring device according to any one of claim 1 to 5, which is characterized in that the monitoring device further include:
Display component (30)；
Transmission assembly (40), the transmission assembly (40) connect with the optical fibre interrogation instrument (20), and by the optical fibre interrogation instrument
(20) tilting value and air speed value exported is transferred to the display component (30), display component (30) the inclining the tower crane
Inclined value and air speed value are shown.
7. monitoring device according to claim 6, which is characterized in that the monitoring device further includes early warning component (50),
The early warning component (50) can receive the tilting value of the transmission assembly (40) transmission, and by the tilting value and predetermined inclination
Value compares, and when the tilting value is greater than the predetermined inclination value, the early warning component (50) issues prompt.
8. monitoring device according to claim 6, which is characterized in that the monitoring device further includes early warning component (50),
The early warning component (50) can receive the air speed value of the transmission assembly (40) transmission, and by the air speed value and default wind speed
Value compares, and when the air speed value is greater than the default air speed value, the early warning component (50) issues prompt.
9. monitoring device according to claim 6, which is characterized in that the transmission assembly (40) has wireless transmission mould
Block, the display component (30) has wireless receiving module, and the wireless receiving module can receive the wireless transmission mould
The tilting value of block transmission and the air speed value.
10. monitoring device according to claim 6, which is characterized in that the display component (30) includes LCD display,
The tilting value and air speed value of the tower crane can be shown on the LCD display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821179260.XU CN208606801U (en) | 2018-07-24 | 2018-07-24 | Monitoring device for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821179260.XU CN208606801U (en) | 2018-07-24 | 2018-07-24 | Monitoring device for tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208606801U true CN208606801U (en) | 2019-03-15 |
Family
ID=65670174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821179260.XU Expired - Fee Related CN208606801U (en) | 2018-07-24 | 2018-07-24 | Monitoring device for tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208606801U (en) |
-
2018
- 2018-07-24 CN CN201821179260.XU patent/CN208606801U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190315 Termination date: 20200724 |