CN101817477A - Safety monitoring device for tower crane - Google Patents
Safety monitoring device for tower crane Download PDFInfo
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- CN101817477A CN101817477A CN 201010132425 CN201010132425A CN101817477A CN 101817477 A CN101817477 A CN 101817477A CN 201010132425 CN201010132425 CN 201010132425 CN 201010132425 A CN201010132425 A CN 201010132425A CN 101817477 A CN101817477 A CN 101817477A
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Abstract
The invention relates to a safety monitoring device for a tower crane, which belongs to the technical field of a monitoring device structure. The device comprises an embedded system, a bearing sensor, an amplitude limiter with a potentiometer, an altitude limiter with the potentiometer and a tilt angle sensor, wherein the bearing sensor is arranged in a proving ring and delivers the weight information of a lifted object; the amplitude limiter with the potentiometer delivers the amplitude information of the lifted object; the altitude limiter with the potentiometer delivers the altitude information of the lifted object; the tilt angle sensor is used for measuring the tilt angle in any direction of the tower body; the amplitude limiter with the potentiometer is fixed on an amplitude changing mechanism; the altitude limiter with the potentiometer is fixed on a lifting mechanism; the output ends of the bearing sensor, the amplitude limiter with the potentiometer, the altitude limiter with the potentiometer and the tilt angle sensor are connected with the embedded system respectively; the output end of the embedded system is connected with an upward control loop of a lifting hook and an outward control loop of the lifting hook through a relay; and the embedded system is connected with a touch screen which is used for displaying the weight and the moment information acquired by the system. The safety monitoring device has the advantages of reasonably-designed structure and high safety factor during use.
Description
Technical field
The present invention relates to a kind of safety monitoring device for tower crane, be specially adapted to the electric control system of horizontal arm type tower crane, belong to the control monitor unit technical field of structures.
Background technology
According to the regulation of State Standard of the People's Republic of China GB/T 5031-2008, the tower machine should be equipped with safety monitoring device.And existing tower machine changes information such as angle and moment percentum all less than realizing demonstration in real time for the current rated load weight of tower machine, actual hoisting capacity, suspension hook amplitude, height under hook, body of the tower, operating personal can not in time be grasped for the work at present state of tower machine, can not in time take measures to handle for the accident potential that exists.
Summary of the invention
The objective of the invention is to solve above-mentioned weak point, a kind of reasonable in design is provided, safe and efficient, rated load weight that can the tower machine is current, actual hoisting capacity, suspension hook amplitude, height under hook, body of the tower change angle and moment percentum, mode with figure and literal is presented on the touch-screen, and judging tower machine work at present state for operating personal provides the safety monitoring device for tower crane of foundation.
The present invention is achieved through the following technical solutions:
A kind of safety monitoring device for tower crane, its special character is to comprise embedded system 1, be installed in the bearing sensor 2 of transmitting lifting thing weight information in the proving ring, transmit the charged position type amplitude limiter 3 of lifting thing amplitude information, transmit the charged position type height limiter 4 of lifting object height degree information, be used for measuring the obliquity sensor 5 of body of the tower in the tilt variation angle of either direction, charged position type amplitude limiter 3 is fixed on the luffing mechanism, charged position type height limiter 4 is fixed on the lifting mechanism, bearing sensor 2, charged position type amplitude limiter 3, the mouth of charged position type height limiter 4 and obliquity sensor 5 is connected with embedded system 1 respectively, the mouth of embedded system 1 is by relay 7, relay 8 is connected with make progress control loop 9 and the outside control loop 10 of suspension hook of suspension hook respectively, and embedded system 1 is connected with and is used for touch-screen 6 that its weight that collects and moment information are shown.
Be connected by sensor cable between described bearing sensor 2, charged position type amplitude limiter 3, charged position type height limiter 4 and obliquity sensor 5 and the embedded system 1;
Be connected by order wire between described embedded system 1 and the touch-screen 6;
Described touch-screen 6 is touching display screens, and touch-screen 6 shows that in the mode of figure and literal rated load weight, actual hoisting capacity, suspension hook amplitude, height under hook, body of the tower change angle and moment percentum;
What described embedded system 1 adopted is the ARM9 treater.
Safety monitoring device for tower crane of the present invention, can monitor tower machine mode of operation in real time, record tower machine related data and overload power-off protection apparatus, embedded system with the advanced person is a platform, give potential device and sensor for direct current (DC), by potential device and sensor acquisition and feed back to analog voltage signal, the input embedded system, after the embedded system internal conversion is handled, be presented on the touch-screen, the present invention is applied to the electric control system of horizontal arm type tower crane more, 50% or the moment that reaches rated load weight when hoisting capacity reach current hoisting moment 80% the time, send early warning and show; Two-way relay output when hoisting capacity or moment reach 100%, automatically cutting off suspension hook makes progress and the outside operation of dolly, passing through man-machine interface---LCDs accurately provides the s main working parameters and the rated capacity parameter of current tower machine to tower machine operation personnel, and when reaching specified value, send early warning and show, two-way relay output outage is safe and efficient when reaching rated value.
Description of drawings
Fig. 1: the structure composition frame chart of a kind of safety monitoring device for tower crane of the present invention.
Among the figure: 1, embedded system, 2, bearing sensor, 3, charged position type amplitude limiter, 4, charged position type height limiter, 5, obliquity sensor, 6, touch-screen, 7, relay, 8, relay, 9, the suspension hook control loop that makes progress, 10, the outside control loop of suspension hook.
The specific embodiment
Provide the specific embodiment of the present invention below with reference to accompanying drawing, be used for formation of the present invention is described further.
A kind of safety monitoring device for tower crane of present embodiment, comprise embedded system 1, be installed in the bearing sensor 2 of transmitting lifting thing weight information in the proving ring, transmit the charged position type amplitude limiter 3 of lifting thing amplitude information, transmit the charged position type height limiter 4 of lifting object height degree information, be used for measuring the obliquity sensor 5 of body of the tower in the tilt variation angle of either direction, charged position type amplitude limiter 3 is fixed on the luffing mechanism, charged position type height limiter 4 is fixed on the lifting mechanism, bearing sensor 2, charged position type amplitude limiter 3, the mouth of charged position type height limiter 4 and obliquity sensor 5 is connected with embedded system 1 respectively, the mouth of embedded system 1 is by relay 7, relay 8 is connected with make progress control loop 9 and the outside control loop 10 of suspension hook of suspension hook respectively, and embedded system 1 is connected with and is used for touch-screen 6 that its weight that collects and moment information are shown; Be connected by sensor cable between bearing sensor 2, charged position type amplitude limiter 3, charged position type height limiter 4 and obliquity sensor 5 and the embedded system 1; Be connected by order wire between embedded system 1 and the touch-screen 6; Touch-screen 6 is touching display screens, and touch-screen 6 shows that in the mode of figure and literal rated load weight, actual hoisting capacity, suspension hook amplitude, height under hook, body of the tower change angle and moment percentum; What embedded system 1 adopted is the ARM9 treater.
Charged position type height, amplitude limiter are individually fixed in and hoist, on the luffing mechanism, for 5 volts direct current (DC), by the potential device collection and feed back to analog voltage signal, import embedded system.When height, when amplitude changes, the size of analog voltage signal also changes thereupon.After the embedded system internal conversion is handled, be presented on the touch-screen in the mode of figure and literal.
LOAD CELLS 2 accurately is installed in the proving ring, supplies with 12 volts of direct supplys, by sensor acquisition and feed back to analog voltage signal, the input embedded system.When tower machine lift heavy changed, the size of analog voltage signal also changed thereupon.After the embedded system internal conversion is handled, be presented on the touch-screen in the mode of figure and literal.
Present embodiment is a cover monitoring tower machine mode of operation, record tower machine related data and overload power-off protection apparatus, adopts advanced embedded system development platform.This device is applied to the electric control system of horizontal arm type tower crane, by giving potential device and sensor for direct current (DC), by potential device and sensor acquisition and feed back to analog voltage signal, the input embedded system, after the embedded system internal conversion is handled, mode with figure and literal is presented at man-machine interface---on the liquid crystal touch screen, accurately provide the s main working parameters and the rated capacity parameter of current tower machine to tower machine operation personnel.50% or the moment that reaches current rated load weight when hoisting capacity reach current specified hoisting moment 80% the time, device sends early warning and shows.Two-way relay output when hoisting capacity or moment reach 100% is cut off suspension hook upwards and the outside operation of dolly automatically.
Working process:
A kind of safety monitoring device for tower crane of present embodiment, reasonable in design, rated load weight that can the tower machine is current, actual hoisting capacity, suspension hook amplitude, height under hook, body of the tower change angle and moment percentum, mode with figure and literal is presented on the touch-screen, and judging tower machine work at present state for operating personal provides foundation.
Claims (5)
1. safety monitoring device for tower crane, it is characterized in that comprising embedded system (1), be installed in the bearing sensor (2) of transmitting lifting thing weight information in the proving ring, transmit the charged position type amplitude limiter (3) of lifting thing amplitude information, transmit the charged position type height limiter (4) of lifting object height degree information, be used for measuring the obliquity sensor (5) of body of the tower in the tilt variation angle of either direction, charged position type amplitude limiter (3) is fixed on the luffing mechanism, charged position type height limiter (4) is fixed on the lifting mechanism, bearing sensor (2), charged position type amplitude limiter (3), the mouth of charged position type height limiter (4) and obliquity sensor (5) is connected with embedded system (1) respectively, the mouth of embedded system (1) is by relay (7), relay (8) is connected with make progress control loop (9) and the outside control loop of suspension hook (10) of suspension hook respectively, and embedded system (1) is connected with and is used for touch-screen (6) that its weight that collects and moment information are shown.
2. according to the described a kind of safety monitoring device for tower crane of claim 1, it is characterized in that being connected by sensor cable between described bearing sensor (2), charged position type amplitude limiter (3), charged position type height limiter (4) and obliquity sensor (5) and the embedded system (1).
3. according to the described a kind of safety monitoring device for tower crane of claim 1, it is characterized in that being connected by order wire between described embedded system (1) and the touch-screen (6).
4. according to the described a kind of safety monitoring device for tower crane of claim 1, it is characterized in that described touch-screen (6) is a touching display screen, touch-screen (6) shows that in the mode of figure and literal rated load weight, actual hoisting capacity, suspension hook amplitude, height under hook, body of the tower change angle and moment percentum.
5. according to the described a kind of safety monitoring device for tower crane of claim 1, what it is characterized in that described embedded system (1) employing is the ARM9 treater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010132425 CN101817477A (en) | 2010-03-23 | 2010-03-23 | Safety monitoring device for tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010132425 CN101817477A (en) | 2010-03-23 | 2010-03-23 | Safety monitoring device for tower crane |
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| CN101817477A true CN101817477A (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010132425 Pending CN101817477A (en) | 2010-03-23 | 2010-03-23 | Safety monitoring device for tower crane |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367160A (en) * | 2011-09-15 | 2012-03-07 | 济南富友慧明监控设备有限公司 | Method for determining sudden unloading of tower crane and apparatus used therein |
| CN103910294A (en) * | 2014-03-19 | 2014-07-09 | 中联重科股份有限公司 | Method for monitoring inclination state of tower crane, device and tower crane |
| CN103979414A (en) * | 2014-05-26 | 2014-08-13 | 中联重科股份有限公司 | Body inclination monitoring system, control method, control device and crane |
| CN110371856A (en) * | 2019-07-11 | 2019-10-25 | 中色十二冶金建设有限公司 | A kind of electrical duplicate protection system of derrick crane |
| CN111137789A (en) * | 2019-12-27 | 2020-05-12 | 宁波国际投资咨询有限公司 | Safety control system and method for construction crane |
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| CN1986374A (en) * | 2006-12-19 | 2007-06-27 | 山东建筑大学 | Multifunctional safety control system for tower crane |
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| CN201217613Y (en) * | 2007-07-26 | 2009-04-08 | 山东富友有限公司 | Security monitoring management system for tower crane |
| CN101628695A (en) * | 2008-07-16 | 2010-01-20 | 曼尼托沃克起重机公司 | Load monitoring and control system with selective boom-up lockout |
| CN101659379A (en) * | 2009-08-27 | 2010-03-03 | 三一汽车制造有限公司 | Method, system and device for controlling deviation of hanging hook |
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2010
- 2010-03-23 CN CN 201010132425 patent/CN101817477A/en active Pending
Patent Citations (5)
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| CN1986374A (en) * | 2006-12-19 | 2007-06-27 | 山东建筑大学 | Multifunctional safety control system for tower crane |
| CN200999183Y (en) * | 2007-01-08 | 2008-01-02 | 赵洪 | Tower machine working condition real-time supervising device |
| CN201217613Y (en) * | 2007-07-26 | 2009-04-08 | 山东富友有限公司 | Security monitoring management system for tower crane |
| CN101628695A (en) * | 2008-07-16 | 2010-01-20 | 曼尼托沃克起重机公司 | Load monitoring and control system with selective boom-up lockout |
| CN101659379A (en) * | 2009-08-27 | 2010-03-03 | 三一汽车制造有限公司 | Method, system and device for controlling deviation of hanging hook |
Non-Patent Citations (1)
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367160A (en) * | 2011-09-15 | 2012-03-07 | 济南富友慧明监控设备有限公司 | Method for determining sudden unloading of tower crane and apparatus used therein |
| 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 |
| CN103910294A (en) * | 2014-03-19 | 2014-07-09 | 中联重科股份有限公司 | Method for monitoring inclination state of tower crane, device and tower crane |
| CN103910294B (en) * | 2014-03-19 | 2015-12-30 | 中联重科股份有限公司 | A kind of method, equipment and tower machine that the heeling condition of tower machine is monitored |
| CN103979414A (en) * | 2014-05-26 | 2014-08-13 | 中联重科股份有限公司 | Body inclination monitoring system, control method, control device and crane |
| CN103979414B (en) * | 2014-05-26 | 2016-05-18 | 中联重科股份有限公司 | Car body obliqueness monitoring system, control method, control device and crane |
| CN110371856A (en) * | 2019-07-11 | 2019-10-25 | 中色十二冶金建设有限公司 | A kind of electrical duplicate protection system of derrick crane |
| CN111137789A (en) * | 2019-12-27 | 2020-05-12 | 宁波国际投资咨询有限公司 | Safety control system and method for construction crane |
| CN111137789B (en) * | 2019-12-27 | 2021-08-06 | 宁波国际投资咨询有限公司 | Safety control system and method for construction crane |
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Open date: 20100901 |