EP3237320A1 - Method for monitoring crane safety and system for monitoring crane safety - Google Patents
Method for monitoring crane safety and system for monitoring crane safetyInfo
- Publication number
- EP3237320A1 EP3237320A1 EP15808541.5A EP15808541A EP3237320A1 EP 3237320 A1 EP3237320 A1 EP 3237320A1 EP 15808541 A EP15808541 A EP 15808541A EP 3237320 A1 EP3237320 A1 EP 3237320A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- crane
- inclination
- tower
- monitoring
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000010276 construction Methods 0.000 claims abstract description 19
- 238000012937 correction Methods 0.000 claims description 4
- 230000001419 dependent effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000009194 climbing Effects 0.000 claims description 2
- 238000011156 evaluation Methods 0.000 claims description 2
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000006870 function Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- B66C15/065—Arrangements or use of warning devices electrical
-
- 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
- B66C23/18—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 specially adapted for use in particular purposes
- B66C23/26—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/72—Counterweights or supports for balancing lifting couples
- B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
- B66C23/76—Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib
-
- 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
- B66C23/90—Devices for indicating or limiting lifting moment
- B66C23/905—Devices for indicating or limiting lifting moment electrical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/82—Luffing gear
Definitions
- the present application relates to a method for monitoring the crane safety, in particular of a tower crane, as well as a system for monitoring the pitch of a crane, according to claims 1 and 15.
- the monitoring of the stability of a crane is currently carried out in a known manner by measuring secondary values on the crane. In this case, a moment as a result of the load of the crane is monitored by a load torque. All other influences are not taken into account. These influences are, for example, errors in the construction of the crane, when e.g. is leveled incorrectly, subsidence of the substructure, tolerances in the construction of the tower, wind, etc ..
- tilt sensors which are very robust and accurate and which serve to either monitor the stability of the machine or to improve the quality of the work to be done.
- the position of the upper crane to the tower system and the substructure is not considered at all.
- a device for the continuous determination of the stability is provided with four observation points spaced apart from each other, which has devices for detecting values relevant for the stability. These devices direct the detected values to a comparator for comparison with predetermined maximum allowable values or turn off directly. When a predetermined fixed value is exceeded at an observation point, a monitoring signal is output, which indicates that the stability is no longer present. The rotation of the crane changes the stability.
- the currently used systems thus take into account only a defined and maximum stability, regardless of the position of the upper crane. Furthermore, today situations in the construction of the crane are excluded from the monitoring, which could have devastating consequences in construction.
- the monitoring of stability begins in the known systems only after the crane is set up. Also in use, situations arise that are not currently detected, e.g. Settlement in the substructure or damage.
- the object of the present invention is therefore to provide a method for monitoring crane safety and a system for checking the inclination of a crane, in particular a tower crane, so that the stability of the crane during construction and dismantling of the crane and throughout the operation is ensured and the quality of the work done is substantially improved.
- the inventive method for monitoring the safety of a crane in particular a tower crane with a turntable, which has a sensor and a crane control, has in a conventional manner further at least one tilt sensor.
- the at least one inclination Sensor mounted on the revolving stage of the tower crane and installed, the monitoring of safety still begins and at least during the construction and dismantling of the tower crane.
- the at least one tilt sensor to an accurate resolution and can take over an independent monitoring of the crane.
- the tilt sensor as a supplement to existing safety devices to increase the accuracy of the monitoring and thus safety. Due to the inclination monitoring of the crane according to the invention even during construction, in the case of an inadmissible inclination of the revolving platform during the construction of the crane, the tower structure can be corrected immediately.
- the position of the revolving stage is determined via the at least one inclination sensor.
- the received measured values are then transmitted to the crane control for evaluation, whereby a measure is triggered when a limit value is exceeded.
- a measure is triggered when a limit value is exceeded.
- This can be an acoustic and / or visual signal, so that the installer is informed immediately about the exceeding of the limit value. Thereupon the structure can be aborted automatically but also manually.
- the construction of a tower crane begins in a known manner with the assembly of the substructure and the tower. Then the revolving stage with the built-in at least one tilt sensor is placed.
- the monitoring by the method according to the invention begins after placing the revolving stage, which is already provided with the at least one tilt sensor.
- the at least one inclination sensor is attached to a suitable location of the revolving stage, so that it shows the position of the revolving stage.
- the inclination of the revolving stage is compared with the inclination provided for the respective structure, wherein a warning signal is output when the permissible inclination is exceeded.
- the collected data is then logged.
- the crane control in this case has a memory unit in which the detected values are stored.
- a correction of the data determined by the at least one tilt sensor can be carried out in conjunction with the values determined via an anemometer, so that a release for further assembly steps is given.
- the counterjib is mounted, the jib and the hoist winch generating a moment, which subsequently results in a slope depending on the height of the tower.
- This inclination can then be determined with the at least one inclination sensor and compared with data stored in the crane control.
- a rotation angle sensor is used to determine the position-dependent inclination of the tower and that over corner or perpendicular to the wall. A 360 ° rotation can fully reproduce the inclination pattern - also in conjunction with the wind measurement. Then the release for further assembly steps, in particular for the placement of the necessary mounting counter ballast.
- the inclination in particular the inclination angle, is determined after the assembly of the counter ballast and compared with the stored, predetermined values. A permissible, but also necessary inclination confirms that the counter ballast matches the mounted boom length.
- the inclination is noted again after mounting the boom to record an intermediate step.
- the monitoring according to the invention with the at least one tilt sensor is preferably carried out not only during construction but also during dismantling of the jib and / or counter jib. If the horizontal force is greater than permissible, the inclination increases and, if permissible inclination values are exceeded, a warning signal is emitted according to the invention.
- a correction of the data determined by the at least one inclination sensor can be carried out in conjunction with values determined via an intended anemometer, so that a release for further assembly steps can take place.
- the angle of inclination is constantly monitored as a function of load torque / stationary torque and angle of rotation of the crane after assembly during operation, with deviations from permissible stored values being displayed. It can be dispensed with the monitoring of wind action.
- the wind action can change the inclination according to the wind speed. In this case, unforeseen influences such as ice sheet, advertising signs, etc. must also be taken into account automatically. If these deviations exceed the permissible limits, a warning signal is output and, if necessary, the operation is aborted.
- a monitoring according to the invention which may also be a remote monitoring, in operation or out of service, it can be determined very quickly whether the crane substructure is correctly constructed. It can also be done with the inventive method, a precise monitoring of special strokes.
- the above object is also achieved by a system for monitoring the crane safety of a crane, in particular a tower crane with a revolving platform, with the features of claim 14.
- the system according to the invention has a sensor and a crane control, wherein at least one mounted on a turntable tilt sensor for monitoring safety during at least the construction or dismantling of the tower crane or even during operation of the built crane is provided.
- the method according to the invention and the system according to the invention can find a further use in monitoring the so-called climbing process.
- the maximum permissible deviation for each tower system can be achieved and stored in the monitoring system. After the specification of the respective system also a compensation can take place. It can be regarded as particularly advantageous the fact that the inclination monitoring all external influences, such as wind, sum of tolerances on the tower, additional loads, for example by amount of cable, etc. are taken into account.
- the leveling of a tower crane turning downwards can also be considered.
- FIG. 1 is a simplified schematic side view of a tower crane according to a first embodiment of the invention with a schematically illustrated tilt sensor for performing the method according to the invention
- 2-3 is a simplified schematic side view of a tower crane with base and tower
- Fig. 5 is a simplified schematic side view of the tower crane with
- FIG. 6 is a simplified schematic side view of the tower crane with mounted boom
- 7-9 is a simplified schematic side view of the tower crane with completed counter ballast and mounted trolley on the tower and on the jib tip
- Fig. 1 a-c is a simplified schematic side view of a tower crane according to a second embodiment of the invention.
- FIG 1 shows a simplified schematic side view of a tower crane 10 (here as bottom rotating tower crane) with a base 12 and a turret 14, which has a rotating platform 16. Furthermore, the crane 10 has a tower 18 and a boom 20 attached to the tower 18. On the boom 20 is a trolley not shown with a load hook on which the load 22 depends. The trolley slides in a horizontal direction, represented by an arrow 24, along the boom 20. Furthermore, the crane 10 has a counter-jib 26.
- the system according to the invention for monitoring the stability of the tower crane 10 has a sensor system and a crane control not shown here.
- a tilt sensor 28 is installed with a very accurate resolution such that the position of the turntable 16 can be easily determined.
- the actual monitoring begins according to the invention still in the construction of the crane 0, wherein in known per se first the substructure 12 and the mast or the tower 18 is mounted and only then the turntable 16 is placed with the already installed tilt sensor 28.
- the tilt sensor 28 shows the position of the turntable 16. Is the inclination of the turntable greater than that for the Turmhö- provided, the fitter is informed and the received and evaluated data are then logged.
- FIGS. 2 and 3 show a simplified schematic view of a crane 10 (in this case as a tower crane rotating above) with the revolving platform 16 and the tower 8.
- the inclination of the revolving platform 16 is determined by the angle a (x) as in FIGS. 2 and 3 shown, depending on the tower height T urmkombination, TH (x) determined by the inclination sensor 28 and compared with stored in the crane control allowable inclination values. If the inclination is within the permissible limits, the structure of the crane is continued. However, if the inclination of the revolving stage is greater than that intended for the respective structure (tower height), a warning signal is output, so that the installer is informed immediately and the further construction of the crane is interrupted. After a correction, the structure is then continued. It can also be provided more inclination sensors.
- Fig. 4 shows the further assembly steps, namely the mounting of the counter-jib 26.
- the counter-jib 26 and the hoist winch hereby generate a moment, which results in a consequent inclination in connection with the tower height.
- the inclination is determined with the inclination sensor 28, wherein the angle a1 (x) is recorded. If the angle a1 (x) is greater than a permissible angle, a warning signal is output.
- a rotation angle sensor must be used to determine the position-dependent inclination of the tower. The tilt image is then rotated through 360 ° and completely imaged in conjunction with the wind measurement.
- the angle a2 (x) is again determined as a function of the tower height / tower combination (x) and compared with the stored values.
- the boom 20 is mounted, as shown in Fig. 6, and determines the inclination on the basis of the angle a3 (x). This is larger in comparison to the angle a2 (x), but a permissible but also necessary tendency confirms that the ballast matches the assembled boom length.
- the slope is noted again to record an intermediate step.
- Fig. 7 shows the trolley in the mounting position.
- the counter ballast 30 is completed and the angle a4 (x) is determined.
- the crane is rotated by 360 ° to confirm the permissibility of the slopes for the specified configuration of the crane. This can be done with the trolley 32 on the tower, as shown in Fig. 8, and / or with the trolley 32 on the jib tip 34, as shown in Fig. 9. In each case, the angles a5 (x) and a6 (x) are determined and compared with the permissible angles.
- an angle curve is created, the inclinations are compared with current loads in their control. The possible deviations are then logged. For all functions this process is similar.
- the angle of inclination is determined as a function of the position to the tower and the function "max. and min., that is, the setting of an interval is used as the limit for the warnings or shutdowns.
- FIG. 11 a-c a second embodiment of the tower crane according to the invention is shown in each case.
- Like reference numerals have the same meaning as those in the first embodiment discussed above.
- it is an overhead turning tower crane 10, in which the boom 20 is rotatably mounted at the upper end of the tower 8.
- the tilt sensor 28 is disposed near the turntable 16.
- the tilt may be implemented in addition to a tilt sensor 28 or instead of a tilt sensor 28 with a pair of GPS transponders 40 and 41. While the GPS transponder 40 is located at the top of the tower 18, the second GPS transponder 41 is located at the base or foot of the crane 10. The difference of the GPS signals of the two transponders allows a determination of the inclination from the rest position, as shown by the figures 11 a (rest position without inclination), 11 b (deflection in one direction) and 11 c (deflection in the other direction) shown.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Jib Cranes (AREA)
- Control And Safety Of Cranes (AREA)
- Automation & Control Theory (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014019465.5A DE102014019465A1 (en) | 2014-12-23 | 2014-12-23 | Crane safety monitoring system and crane safety monitoring system |
PCT/EP2015/002495 WO2016102050A1 (en) | 2014-12-23 | 2015-12-09 | Method for monitoring crane safety and system for monitoring crane safety |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3237320A1 true EP3237320A1 (en) | 2017-11-01 |
EP3237320B1 EP3237320B1 (en) | 2019-05-01 |
Family
ID=54849910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15808541.5A Active EP3237320B1 (en) | 2014-12-23 | 2015-12-09 | Method for monitoring crane safety and system for monitoring crane safety |
Country Status (8)
Country | Link |
---|---|
US (1) | US10752473B2 (en) |
EP (1) | EP3237320B1 (en) |
CN (1) | CN107207222B (en) |
BR (1) | BR112017013364B1 (en) |
DE (1) | DE102014019465A1 (en) |
ES (1) | ES2738916T3 (en) |
RU (1) | RU2696650C2 (en) |
WO (1) | WO2016102050A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016003566A1 (en) * | 2016-03-23 | 2017-09-28 | Liebherr-Werk Biberach Gmbh | Method for monitoring a work machine |
FR3072656B1 (en) * | 2017-10-24 | 2019-11-08 | Airbus | TOOLING SYSTEM FOR THE HANDLING OF AT LEAST ONE UPPER MODULE AND / OR AT LEAST ONE LOWER MODULE. |
CN107720554B (en) * | 2017-11-13 | 2019-05-14 | 长沙海川自动化设备有限公司 | Face upward jib crane and its monitoring method, monitoring device and storage medium |
TWI671630B (en) * | 2018-05-16 | 2019-09-11 | 台灣積體電路製造股份有限公司 | Condition monitoring method for semiconductor manufacturing tool and semiconductor manufacturing system |
CN110127522A (en) * | 2019-04-30 | 2019-08-16 | 大器物联科技(广州)有限公司 | A kind of torque measuring method without external sensor for derrick crane |
CN112183964B (en) * | 2020-09-11 | 2024-03-12 | 杭州市地下管道开发有限公司 | Intelligent building site management method, system, equipment and storage medium |
DE102021106745A1 (en) * | 2021-03-19 | 2022-09-22 | Liebherr-Werk Nenzing Gmbh | Lifting gear with a device for supporting or fully automatically carrying out an erecting and/or laying down process of a boom system and a corresponding method |
FR3123642B1 (en) * | 2021-06-07 | 2023-04-28 | Manitowoc Crane Group France | Self-erecting crane with configuration change operation control |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2839419A1 (en) * | 1978-09-11 | 1980-03-27 | Krupp Gmbh | Angle or rotation instrument - has plane inclination pick=ups with two inclination detectors with output signal of one of them divided by pick=up output signal |
US5609260A (en) * | 1996-02-05 | 1997-03-11 | Liao; Fu-Chang | Derrick structure |
FR2834505B1 (en) * | 2002-01-09 | 2004-05-07 | Potain Sa | METHOD AND DEVICE FOR SECURE CONTROL / CONTROL OF FOLDING AND FOLDING A TOWER CRANE |
JP2004001987A (en) * | 2002-03-25 | 2004-01-08 | Hitachi Constr Mach Co Ltd | Operation support device |
JP4986643B2 (en) * | 2007-02-01 | 2012-07-25 | 株式会社北川鉄工所 | Tower crane equipped with suspended load position display method and suspended load position display device in tower crane |
US20090125196A1 (en) * | 2007-11-14 | 2009-05-14 | Honeywell International, Inc. | Apparatus and method for monitoring the stability of a construction machine |
US8862419B2 (en) * | 2011-04-19 | 2014-10-14 | Honeywell International Inc. | Crane jib attitude and heading reference system calibration and initialization |
DE102011107754B4 (en) * | 2011-06-10 | 2021-07-22 | Liebherr-Werk Ehingen Gmbh | Angle-related procedure for monitoring crane safety during the set-up process, as well as crane and crane control |
CN102363509A (en) * | 2011-11-01 | 2012-02-29 | 大连科信起重电器有限公司 | Outer climbing protection device of tower crane |
AT513283B1 (en) * | 2012-11-12 | 2014-03-15 | Palfinger Ag | Method for reporting the risk of tipping a crane |
CN102976220B (en) * | 2012-12-27 | 2017-04-19 | 三一帕尔菲格特种车辆装备有限公司 | Rollover prevention device and crane |
-
2014
- 2014-12-23 DE DE102014019465.5A patent/DE102014019465A1/en not_active Withdrawn
-
2015
- 2015-12-09 CN CN201580070970.1A patent/CN107207222B/en active Active
- 2015-12-09 EP EP15808541.5A patent/EP3237320B1/en active Active
- 2015-12-09 US US15/539,000 patent/US10752473B2/en active Active
- 2015-12-09 BR BR112017013364-4A patent/BR112017013364B1/en active IP Right Grant
- 2015-12-09 ES ES15808541T patent/ES2738916T3/en active Active
- 2015-12-09 WO PCT/EP2015/002495 patent/WO2016102050A1/en active Application Filing
- 2015-12-09 RU RU2017126031A patent/RU2696650C2/en active
Also Published As
Publication number | Publication date |
---|---|
CN107207222B (en) | 2019-08-13 |
US20170369287A1 (en) | 2017-12-28 |
BR112017013364B1 (en) | 2022-02-22 |
WO2016102050A1 (en) | 2016-06-30 |
DE102014019465A1 (en) | 2016-06-23 |
RU2017126031A3 (en) | 2019-06-05 |
RU2696650C2 (en) | 2019-08-05 |
ES2738916T3 (en) | 2020-01-27 |
EP3237320B1 (en) | 2019-05-01 |
US10752473B2 (en) | 2020-08-25 |
CN107207222A (en) | 2017-09-26 |
RU2017126031A (en) | 2019-01-24 |
BR112017013364A2 (en) | 2018-01-09 |
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