CN106744324B - The method for safety monitoring and device of section are moved during a kind of tower crane jacking - Google Patents
The method for safety monitoring and device of section are moved during a kind of tower crane jacking Download PDFInfo
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- CN106744324B CN106744324B CN201710030208.1A CN201710030208A CN106744324B CN 106744324 B CN106744324 B CN 106744324B CN 201710030208 A CN201710030208 A CN 201710030208A CN 106744324 B CN106744324 B CN 106744324B
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- tower crane
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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
-
- 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
-
- 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
- B66C23/88—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The method for safety monitoring of section is moved during a kind of tower crane jacking, is comprised the following steps：1) tower crane balance model is established：A. model coordinate systems are established：B. determine that tower crane moves section security model：In model coordinate systems xyz, it is to preset to move section process tower body vertex trajectories in a quadrangle safety zone that tower crane, which moves section model,；2) the tower body inclination angle point 3 of the real-time acquisition during shifting is saved moves section model with tower crane described in step 1) and compared, and judges whether tower crane is safe according to comparative result.Method for safety monitoring of the present invention moves section model using the tower crane of design, and gathers the inclination data of tower crane in real time with reference to dip measuring device, so accurate judgement tower crane when reach nodular state whether safety, it is time saving and energy saving, it is convenient and swift, it is accurate reliable.
Description
Technical field
The method for safety monitoring and device of section are moved during being jacked the present invention relates to a kind of tower crane, belongs to building machinery safety
Technical field.
Background technology
Derrick crane (hereinafter referred to as tower crane) because tower crane itself is complicated, except bear deadweight and service load with
Outside, the effect of shock loading and inertia force is still suffered from, in addition, tower crane has driver's installation operation in violation of rules and regulations in use
Phenomena such as, cause tower crane accident to occur again and again, the lives and properties given people bring massive losses.
In numerous tower crane security incidents, the probability during installation and removal occurs and has reached close to 50%, and this
During tower crane poised state it is most important, be the guarantee of safe installing/dismounting operation, therefore be badly in need of a kind of tower crane jacking process
The middle method for safety monitoring for moving section solves the above problems.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides the method for safety monitoring that section is moved during a kind of tower crane jacks, solution
Determine and the problem of section stability leans on working experience to judge substantially is moved in currently practical work.
The present invention also provides a kind of device for realizing above-mentioned monitoring method.
Technical scheme is as follows：
The method for safety monitoring of section is moved during a kind of tower crane jacking, is comprised the following steps：
1) tower crane balance model is established：
A. model coordinate systems are established：
Using O as coordinate origin, wherein O is the intersection point of tower body plane of rotation and tower body center vertical line, the tower body revolution
Plane is tower body pivoting support plane of rotation, and described tower body center vertical line is with being fixed perpendicular to ground and tower body excessively on ground
The straight line of the central point in section, reference axis x positive directions be derrick runway girder when parallel to ground, away from tower body direction, coordinate
Axle z positive directions are upwardly, reference axis y positive directions are to be accorded with perpendicular to derrick runway girder axis direction and with x, z-axis perpendicular to ground
Close right-hand rule；
B. determine that tower crane moves section security model：
Tower crane top inclination of central line of tower body is measured using dip measuring device, dip measuring device is pacified installed in tower crane
Any main limb of slewing tower under total state is present with tower body axial line in the structure of depth of parallelism requirement, turns round during tower crane zero load
After any angle scope, tower crane top inclination of central line of tower body data are gathered, are designated as (θkxi,θkyi) (i=1,2 ... n), obtains, empty
Carrying the coordinate of central point 1 is
0. 2 coordinates of dip measuring device are (θld,θld)；Dip measuring device used in the present invention belongs to existing
There is technology, herein the conventional dip measuring device in preferably 2 kinds of markets：Body pendulum capacitance-type inclination angle sensor, acceleration inclination angle sensing
Device.The zero point of described dip measuring device is set before dispatching from the factory；
In model coordinate systems xyz, it is to preset to move section process tower body vertex trajectories in a quadrangle that tower crane, which moves section model,
In safety zone, the safety zone is to be obtained in the following way by experiment and data statistics：
Each m platforms of the safe tower crane of large, medium and small type are chosen, respectively mounted angle measurement apparatus, recording it respectively, shifting saved safely
Journey top inclination of central line of tower body data, are designated as (θaxi,θayi) (i=1,2 ... n), and finding out each tower crane, shifting section operated safely
The minimum enclosed rectangle of journey record data coordinate points, a length of Rj, a width of Dj, (j=1,2 ... m), finally, takes size maximum rectangle
Made comparisons with the unloaded central point 1 and 0. 2：
When the rectangle is between unloaded central point 1 and 0. 2, the length that the rectangle is safety zone, i.e. rectangle is taken
For the long R of safety zone, the wide D of a width of safety zone of rectangle is taken；
When the rectangle be between unloaded central point 1 and 0. 2 on the straight line of line when, take the rectangle with
The intersection point of the straight line intersection of line and between unloaded central point 1 and 0. 2 between unloaded central point 1 and 0. 2
The rectangle summit form quadrangle be safety zone；
2) the tower body inclination angle point 3 of the real-time acquisition during shifting is saved is compared with tower crane described in step 1) moves section model
Compared with, according to comparative result judge tower crane whether safety：
When the tower body inclination angle point 3 obtained in real time is in the rectangular security region, then judge that tower crane is in a safe condition；
When the tower body inclination angle point 3 obtained in real time is outside the rectangular security region, then judge that tower crane is in dangerous shape
State；Need to alarm or prompt to exclude unsafe factor；The tower crane tower body center that tower body inclination angle point described herein obtains in real time
Line top inclination angle.
A kind of device for realizing above-mentioned monitoring method, including master controller, the measurement of dip angle being connected respectively with master controller
Device, hydraulic handle collector, display record warning device and remote transmission unit；
The master controller is used for the gear number for gathering the real-time inclination value of tower crane and driver operation tower crane hydraulic handle in real time
According to, and judge whether tower crane is safe：
The dip measuring device is used to gather the real-time inclination value of tower crane in real time；The hydraulic handle collector is used for tower crane
Real-time action during driver operation tower crane hydraulic handle simultaneously judges its gear position operation, and records gear data；
The display record warning device is used for the data of the above-mentioned collection of real-time display and shows the unsafe alarm of tower crane
Information；
The remote transmission unit is used in master controller and tower crane remote control data transfer, collection and the prison between platform
Control.
In the present invention, the master controller, dip measuring device, hydraulic handle collector, display record warning device
It is the hardware that those skilled in the art can design according to described content of the present invention with remote transmission unit, therefore,
Its specific ardware model number and annexation are not that the present invention will do the content protected.
Advantage of the invention is that：
Method for safety monitoring of the present invention moves section model using the tower crane of design, and it is real-time to combine dip measuring device
Gather the inclination data of tower crane, so accurate judgement tower crane when reach nodular state whether safety, time saving and energy saving, convenient and swift, essence
It is really reliable.
Brief description of the drawings
Fig. 1 is heretofore described model coordinate systems；
Fig. 2 is one of the schematic diagram in rectangular security region of the present invention；
In fig. 2,1, unloaded central point, 2, zero point；3rd, the tower body inclination angle point obtained in real time；4th, safety zone；
Fig. 3 is the two of the schematic diagram in rectangular security region of the present invention；
In figure 3,1, unloaded central point, 2, zero point；3rd, the tower body inclination angle point obtained in real time；4th, safety zone；
Fig. 4 is the three of the schematic diagram in rectangular security region of the present invention；
In Fig. 4,1, unloaded central point, 2, zero point；3rd, the tower body inclination angle point obtained in real time；4th, safety zone；
Fig. 5 is the schematic diagram of safety monitoring device of the present invention.
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description, but not limited to this.
Embodiment 1,
The method for safety monitoring of section is moved during a kind of tower crane jacking, is comprised the following steps：
1) tower crane balance model is established：
A. model coordinate systems are established：
Using O as coordinate origin, wherein O is the intersection point of tower body plane of rotation and tower body center vertical line, the tower body revolution
Plane is tower body pivoting support plane of rotation, and described tower body center vertical line is with being fixed perpendicular to ground and tower body excessively on ground
The straight line of the central point in section, reference axis x positive directions be derrick runway girder when parallel to ground, away from tower body direction, coordinate
Axle z positive directions are upwardly, reference axis y positive directions are to be accorded with perpendicular to derrick runway girder axis direction and with x, z-axis perpendicular to ground
Close right-hand rule；
B. determine that tower crane moves section security model：
Tower crane top inclination of central line of tower body is measured using dip measuring device, dip measuring device is pacified installed in tower crane
Any main limb of slewing tower under total state is present with tower body axial line in the structure of depth of parallelism requirement, turns round during tower crane zero load
After any angle scope, tower crane top inclination of central line of tower body data are gathered, are designated as (θkxi,θkyi) (i=1,2 ... n), obtains, empty
Carrying the coordinate of central point 1 isPreferably, any angle scope described herein is 40-360 °；
0. 2 coordinates of dip measuring device are (θld,θld)；
In model coordinate systems xyz, it is to preset to move section process tower body vertex trajectories in a quadrangle that tower crane, which moves section model,
In safety zone, the safety zone is to be obtained in the following way by experiment and data statistics：
Each m platforms of the safe tower crane of large, medium and small type are chosen, respectively mounted angle measurement apparatus, recording it respectively, shifting saved safely
Journey top inclination of central line of tower body data, are designated as (θaxi,θayi) (i=1,2 ... n), and finding out each tower crane, shifting section operated safely
The minimum enclosed rectangle of journey record data coordinate points, a length of Rj, a width of Dj, (j=1,2 ... m), finally, takes size maximum rectangle
Made comparisons with the unloaded central point 1 and 0. 2：
When the rectangle is between unloaded central point 1 and 0. 2, the length that the rectangle is safety zone, i.e. rectangle is taken
For the long R of safety zone, the wide D of a width of safety zone of rectangle is taken；As shown in Figure 2；
When the rectangle is between unloaded central point 1 and 0. 2 on line ab straight line (cd, ef), take
The rectangle and the intersection point of line ab straight line intersection and it is in unloaded central point 1 between unloaded central point 1 and 0. 2
And the quadrangle that the rectangle summit between 0. 2 is formed is safety zone, such as Fig. 3, the rectangle intersects with straight line cd, shape
It is shadow region 4 into safety zone；Such as Fig. 4, the rectangle intersects with straight line ef, and it is shadow region 4 to form safety zone；
2) the tower body inclination angle point 3 of the real-time acquisition during shifting is saved is compared with tower crane described in step 1) moves section model
Compared with, according to comparative result judge tower crane whether safety：
When the tower body inclination angle point 3 obtained in real time is in the rectangular security region, then judge that tower crane is in a safe condition；
When the tower body inclination angle point 3 obtained in real time is outside the rectangular security region, then judge that tower crane is in dangerous shape
State.
Embodiment 2,
Realize the device of monitoring method as described in Example 1, including master controller, the inclination angle being connected respectively with master controller
Measurement apparatus, hydraulic handle collector, display record warning device and remote transmission unit；
The master controller is used for the gear number for gathering the real-time inclination value of tower crane and driver operation tower crane hydraulic handle in real time
According to, and judge whether tower crane is safe：
The dip measuring device is used to gather the real-time inclination value of tower crane in real time；The hydraulic handle collector is used for tower crane
Real-time action during driver operation tower crane hydraulic handle simultaneously judges its gear position operation, and records gear data；
The display record warning device is used for the data of the above-mentioned collection of real-time display and shows the unsafe alarm of tower crane
Information；
The remote transmission unit is used in master controller and tower crane remote control data transfer, collection and the prison between platform
Control.
Application examples：
The described device of embodiment 2 is arranged in target tower crane, during section is moved, mobile amplitude variation trolley, or wind in violation of rules and regulations
For speed more than 4 grades, the display record warning device can trigger alarm.
Claims (2)
1. the method for safety monitoring of section is moved during a kind of tower crane jacking, it is characterised in that the monitoring method comprises the following steps：
1) tower crane balance model is established：
A. model coordinate systems are established：
Using O as coordinate origin, wherein O is the intersection point of tower body plane of rotation and tower body center vertical line, the tower body plane of rotation
For tower body pivoting support plane of rotation, described tower body center vertical line is and perpendicular to ground and crosses tower body in ground constant cross-section
Central point straight line, reference axis x positive directions be derrick runway girder when parallel to ground, away from tower body direction, reference axis z is just
Direction is upwardly, reference axis y positive directions are to meet the right hand perpendicular to derrick runway girder axis direction and with x, z-axis perpendicular to ground
Corkscrew rule；
B. determine that tower crane moves section security model：
Tower crane top inclination of central line of tower body is measured using dip measuring device, dip measuring device is arranged on the safe shape of tower crane
Any main limb of slewing tower under state is present with tower body axial line in the structure of depth of parallelism requirement, and revolution is any during tower crane zero load
After angular range, tower crane top inclination of central line of tower body data are gathered, are designated as (θkxi,θkyi) (i=1,2 ... n), obtains, unloaded
Central point (1) coordinate is
Zero point (2) coordinate of dip measuring device is (θld,θld)；
In model coordinate systems xyz, it is to preset to move section process tower body vertex trajectories in a quadrangle safety that tower crane, which moves section model,
In region, the safety zone is to be obtained in the following way by experiment and data statistics：
Each m platforms of the safe tower crane of large, medium and small type are chosen, respectively mounted angle measurement apparatus, record it respectively and move section process tower safely
Body center line top inclination data, is designated as (θaxi,θayi) (i=1,2 ... n), finds out each tower crane and moves section operating process safely
The minimum enclosed rectangle of record data coordinate points, a length of Rj, a width of Dj, (j=1,2 ... m), finally, take size maximum rectangle with
The unloaded central point (1) and zero point (2) are made comparisons：
When the rectangle is between unloaded central point (1) and zero point (2), the length that the rectangle is safety zone, i.e. rectangle is taken
For the long R of safety zone, the wide D of a width of safety zone of rectangle is taken；
When the rectangle be between unloaded central point (1) and zero point (2) on the straight line of line when, take the rectangle and
The intersection point of line ab straight line intersection is with being in unloaded central point (1) and zero between unloaded central point (1) and zero point (2)
The quadrangle that the rectangle summit between point (2) is formed is safety zone；
2) the tower body inclination angle point (3) of the real-time acquisition during shifting is saved is compared with tower crane described in step 1) moves section model
Compared with, according to comparative result judge tower crane whether safety：
When the tower body inclination angle point (3) obtained in real time is in the rectangular security region, then judge that tower crane is in a safe condition；
When the tower body inclination angle point (3) obtained in real time is outside the rectangular security region, then judge that tower crane is in dangerous shape
State.
A kind of 2. device for realizing monitoring method as claimed in claim 1, it is characterised in that the device includes master controller, point
Dip measuring device, hydraulic handle collector, display record warning device and the remote transmission unit not being connected with master controller；
The master controller is used for the gear data for gathering the real-time inclination value of tower crane and driver operation tower crane hydraulic handle in real time, and
Judge whether tower crane is safe：
The dip measuring device is used to gather the real-time inclination value of tower crane in real time；The hydraulic handle collector is used for tower crane driver
Real-time action when operating tower crane hydraulic handle simultaneously judges its gear position operation, and records gear data；
The display record warning device is used for the data of the above-mentioned collection of real-time display and shows the unsafe alarm signal of tower crane
Breath；
The remote transmission unit is used in master controller and tower crane remote control data transfer, collection and the monitoring between platform.
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| CN108519070B (en) * | 2018-04-18 | 2019-11-12 | 山东富友慧明测控设备有限公司 | A kind of method and device of pair of high and big die plate support system monitoring collapsing unstability |
| CN111879308A (en) * | 2020-06-24 | 2020-11-03 | 山东富友慧明测控设备有限公司 | Intelligent tower crane safety monitoring system based on pose perception technology and implementation method |
| CN111891951B (en) * | 2020-08-17 | 2022-07-05 | 丽水市特种设备检测院 | Method and system for monitoring safety of jacking system of tower crane |
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| CN102381645A (en) * | 2011-09-15 | 2012-03-21 | 济南富友慧明监控设备有限公司 | Method for correcting rated lifting capacities of tower cranes in wind state |
| CN102367160B (en) * | 2011-09-15 | 2015-08-05 | 济南富友慧明监控设备有限公司 | A kind of method and device thereof judging tower machine Condition of Sudden Unloading |
| CN102431912B (en) * | 2011-09-15 | 2013-10-30 | 济南富友慧明监控设备有限公司 | Method for assessing balance weight of tower crane |
| CN102431918B (en) * | 2011-09-15 | 2013-09-04 | 济南富友慧明监控设备有限公司 | Method for judging damage position on steel structure of tower body of tower crane |
| US9121939B2 (en) * | 2013-03-15 | 2015-09-01 | Trimble Navigation Limited | Self calibration for crane geometry |
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Address after: 1-203-a, Zhihui building, 1356 Yingxiu Road, high tech Zone, Jinan City, Shandong Province Patentee after: Shandong Fuyou Technology Co.,Ltd. Address before: 250101 1-203-a, Zhihui building, 1356 Yingxiu Road, high tech Zone, Jinan City, Shandong Province Patentee before: SHANDONG FUYOU HUIMING MEASUREMENT AND CONTROL EQUIPMENT Co.,Ltd. |