CN110386555A - Cable crane centralized control system - Google Patents

Cable crane centralized control system Download PDF

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Publication number
CN110386555A
CN110386555A CN201910747604.5A CN201910747604A CN110386555A CN 110386555 A CN110386555 A CN 110386555A CN 201910747604 A CN201910747604 A CN 201910747604A CN 110386555 A CN110386555 A CN 110386555A
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China
Prior art keywords
data
host computer
sensor
monitoring host
motor
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Granted
Application number
CN201910747604.5A
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CN110386555B (en
Inventor
唐中波
徐国挺
胡盼
李晋
林飞宇
李俊威
张小波
袁晶璐
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SICHUAN LUQIAO HUADONG BUILDING CO Ltd
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SICHUAN LUQIAO HUADONG BUILDING CO Ltd
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Priority to CN201910747604.5A priority Critical patent/CN110386555B/en
Publication of CN110386555A publication Critical patent/CN110386555A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/16Applications of indicating, registering, or weighing devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00Safety gear
    • B66C15/06Arrangements or use of warning devices
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms
    • G08B21/24Reminder alarms, e.g. anti-loss alarms

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control And Safety Of Cranes (AREA)

Abstract

The invention discloses a kind of cable crane centralized control systems;It is characterized by: the system includes weight sensor, photoelectric encoder, motor current sensor, tension sensor, air velocity transducer, temperature sensor, vibrating sensor, limit switch, signal acquisition module, data transmission module, control module, monitoring host computer;The system is able to achieve the real-time communication of cable crane two sides, carry out the transmission of data and instruction, pass through the analytical calculation to these data and instructions, it obtains the current operating conditions of cable crane and completes the automation control of cable crane, operator can understand the parameters of cable crane in real time, and be uniformly controlled, improve cable crane working efficiency and operational safety.

Description

Cable crane centralized control system
Technical field
The present invention relates to crane safety monitoring field, in particular to a kind of cable crane centralized control system.
Background technique
Because having the advantages that lifting altitude is big, span is big, cable crane is widely used in road and rail bridge and builds If, the construction of the construction of hydropower stations etc., meanwhile, cable crane because load is changeable, huge structure is there are great risk factor, Safety accident very likely occurs for misoperation, and part of appliance is gently then made to generate damage, heavy then cause huge personnel and property Loss.Nowadays cable crane is at the construction field (site) in use, trailer wagon needs the elevator of two sides to operate synchronously, because of two sides span Greatly, the control completed to elevator is generally linked up by intercom by two operators, working efficiency is not high.Therefore, it is necessary to hanging The series of parameters such as weight, stroke, wind speed are monitored, and carry out centralization control to the elevator of two sides, improve working efficiency While ensure cable crane work in margin of safety.
Summary of the invention
Therefore, in order to solve above-mentioned deficiency, the present invention provides a kind of cable crane centralized control system herein;The system energy It realizes the real-time communication of cable crane two sides, carries out the transmission of data and instruction, by the analytical calculation to these data and instructions, It obtains the current operating conditions of cable crane and completes the automation control of cable crane, operator can understand cable crane in real time Parameters, and be uniformly controlled, improve cable crane working efficiency and operational safety.
The invention is realized in this way constructing a kind of cable crane centralized control system, it is characterised in that: the system includes Weight sensor, photoelectric encoder, motor current sensor, tension sensor, air velocity transducer, temperature sensor, vibration pass Sensor, limit switch, signal acquisition module, data transmission module, control module, monitoring host computer;
Wherein, weight sensor passes through electric bridge using the weight of tension hanging object body to measure of wirerope above measurement suspension hook Weight collected is converted into 4-20mA current signal by linear relationship, and signal acquisition module is output to by cable;
Wherein, photoelectric encoder is mounted on hoisting drum end and trolley travelling hitch wheel, is directly coupled with motor main shaft, The circle number of rotation and points are transferred to signal acquisition module by 485 signals in real time by photoelectric encoder;
Wherein motor current sensor is mounted on hoisting motor, in traction electric machine major loop, the variation of measuring circuit electric current, with letter The connection of number acquisition module, exports 4-20ma current signal;
Wherein tension sensor is mounted in hauling rope mechanism and track cable mechanism, and the pulling force on hauling rope and track cable is pressed line Sexual intercourse exports 4-20ma current signal, connect with signal acquisition module;
Wherein air velocity transducer is respectively installed a set of in the middle part of two sides Sarasota tower top and suspension bridge cat road, exports 4-20ma signal, with Signal acquisition module connection;
The temperature sensor be mounted on hoisting motor, traction electric machine casing outside, export 4-20ma current signal, adopted with signal Collect module connection;
Wherein vibrating sensor be mounted on hoisting motor, traction electric machine casing outside, Vibration Parameter is converted into electric signal and is passed through It crosses amplification finally to be exported by 4-20ma current signal, be connect with signal acquisition module;
Wherein limit switch installation exports low and high level, connect with signal acquisition module on the brake and on each door limiting;
Wherein signal acquisition module one end connects each sensor, and one end is connected with data transmission module;
Wherein data transmission module is separately mounted to two sides, mutually Phase Receiver can send data, the other end is separately connected the prison of two sides Host is controlled, received data are transferred to monitoring host computer;
Wherein monitoring host computer is connected using PLC with data transmission module and control module.
The cable crane centralized control system according to the present invention, it is characterised in that: in operation, monitoring host computer reception is come from The data that data module is sent, because transmitting data, therefore the monitoring host computer of any side of cable crane between data module mutually All can receive the signal all to construction site, these data parsed and calculated, finally obtain hoist, suspension hook lifting altitude, The parameters such as stroke, current of electric, cable tension, wind speed, motor temperature, vibration, raising braking, door limiting are run, and in screen Upper display, in addition, can also obtain and believe such as cable crane working time, work times, each operational order by these data Breath, stores while host is shown various information on the screen, and convenient to inquire at any time, operator can also put out respectively Item data checks the curvilinear figure drawn by the data, understands the variation tendency of parameters;It is more than setting in a certain parameter When limit value, the also cut-off control loop of monitoring host computer stops crane to dangerous direction operation, can continue to make after debugging Industry;Two sides monitoring host computer is additionally provided with different priority, and when unilateral side operates, single instrction under monitoring host computer, ipsilateral motor starts to transport Instruction by data transmission module reaches opposite bank motor while turning, because the highest bandwidth of data transmission module is up to 300Mbps, The two starts time difference in microsecond rank, can be neglected, i.e., two sides synchronizing motors, trolley move under traction;If Operator on monitoring host computer when carrying out to motor operation and there is conflict again simultaneously for two sides, then according to priority difference, monitoring The high instruction of priority is completed after host judgement, and shows the instruction of two sides on the screen, and operator is reminded to carry out communication association It adjusts.
The present invention has the advantage that the present invention has the advantages that:
(1) two sides data are transmitted, it can be achieved that the centralization of cable crane controls mutually in real time, it is only necessary to be operated in side Make two sides synchronizing motors, trailer wagon walking, and different priority is arranged in the monitoring host computer of two sides, two sides simultaneously into Conflict is avoided when row operation.
(2) it is equipped with various kinds of sensors for the supporting part of elevator and cable crane everywhere, site operation personnel is generally difficult to The place observed is all monitored, the safety of full-scope safeguards crane.
(3) monitoring host computer of two sides has Large-size LCD Screen, can the sensor of real-time display cable crane everywhere adopted The data of collection, operator can be in the operating condition for knowing cable crane at the first time, and monitoring host computer is monitoring danger Sound-light alarm can be issued when signal in time, reminds operator.
(4) a data and instruction is recorded at interval of 100mS, data needed for access can be transferred at any time, meanwhile, also produce All kinds of charts, direct feel all data variation tendency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of this practical cable crane centralized control system.
Wherein: weight sensor 1, photoelectric encoder 2, motor current sensor 3, tension sensor 4, air velocity transducer 5, Temperature sensor 6, vibrating sensor 7, limit switch 8, signal acquisition module 9, data transmission module 10, control module 11, prison Control host 12.
Specific embodiment
Below in conjunction with attached drawing 1, the present invention is described in detail, and technical solution in the embodiment of the present invention carries out clear Chu is fully described by, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments. Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts all Other embodiments shall fall within the protection scope of the present invention.
The present invention provides a kind of cable crane centralized control system, the structure of the system such as Fig. 1 institute by improving herein Show;The system include weight sensor 1, photoelectric encoder 2, motor current sensor 3, tension sensor 4, air velocity transducer 5, Temperature sensor 6, vibrating sensor 7, limit switch 8, signal acquisition module 9, data transmission module 10, control module 11, prison Control host 12.
Wherein, weight sensor 1 is passed through using the weight of tension hanging object body to measure of wirerope above measurement suspension hook Weight collected is converted to 4-20mA current signal by linear relationship by electric bridge, and is output to signal acquisition module by cable 9。
Wherein, photoelectric encoder 2 is mounted on hoisting drum end and trolley travelling hitch wheel, direct with motor main shaft Connection, to keep 2 revolving speed of photoelectric encoder and motor completely the same.Photoelectric encoder 2 is logical by the circle number of rotation and points in real time It crosses 485 signals and is transferred to signal acquisition module 9, the operating circle number and revolving speed of motor can be calculated by the data, and then can obtain The operation stroke of cable crane trolley and speed and the height and speed of lancet off the hook out.
Wherein motor current sensor 3 is mounted on hoisting motor, in traction electric machine major loop, the change of measuring circuit electric current Change, connect with signal acquisition module 9, exports 4-20ma current signal.It can reflect out the fortune of motor by measuring circuit electric current Turn situation and output power, facilitates operator is more preferable must adjust electric machine operation state.
Wherein tension sensor 4 is mounted in hauling rope mechanism and track cable mechanism, by the drawing on hauling rope and track cable Power exports 4-20ma current signal by linear relationship, connect with signal acquisition module 9.
Wherein air velocity transducer 5 is respectively installed a set of in the middle part of two sides Sarasota tower top and suspension bridge cat road, output 4-20ma letter Number, it is connect with signal acquisition module 9.Judge whether scene meets execution conditions by the data, can decision starting device.
The temperature sensor 6 be mounted on hoisting motor, traction electric machine casing outside, export 4-20ma current signal, with Signal acquisition module 9 connects.Current synchronization in the data collected of temperature sensor 6 and motor circuit judges the operating of motor Situation, and play superheat protecting function.
Wherein vibrating sensor 7 be mounted on hoisting motor, traction electric machine casing outside, Vibration Parameter is converted into electric signal And finally exported by 4-20ma current signal by amplification, it is connect with signal acquisition module 9.The vibration parameters can reflect motor In electrical defect, fastener loosen, uneven or other abnormal phenomenon.
Wherein the installation of limit switch 8 exports low and high level, with signal acquisition module on the brake and on each door limiting 9 connections.Limit switch on brake can reflect raising on-position, and door limiting can reflect each safety limit switch It is opened and closed information.
Wherein 9 one end of signal acquisition module connects each sensor, and one end is connected with data transmission module 10.Acquisition is each in real time Every analog signal is converted to digital signal by amplification, data is pressed certain format every 100ms by the signal of item sensor It is sent to data transmission module 10.
Wherein data transmit 10 pieces of mould and are separately mounted to two sides, mutually Phase Receiver can send data, the other end is separately connected two Received data are transferred to monitoring host computer by the monitoring host computer of bank.
Wherein control module 11 accesses the control loop of each motor, receives the control command from host, controls motor Start and stop.
Wherein monitoring host computer 12 are connected using PLC with data transmission module 10 and control module 11.Monitoring master Machine 12 receives the data sent from data module 10, and because transmitting data between data module 10 mutually, therefore cable crane is appointed The monitoring host computer of meaning side all can receive the signal all to construction site, these data are parsed and calculated, and final obtain is hung Weight, suspension hook lifting altitude, operation stroke, current of electric, cable tension, wind speed, motor temperature, vibration, raising braking, door limiting Etc. parameters, and show on the screen, in addition, by these data, can also obtain for example the cable crane working time, work times, The information such as each operational order, store while host is shown various information on the screen, convenient to inquire at any time, grasp Author can also put out all data and check the curvilinear figure drawn by the data, understand the variation tendency of parameters.A certain When parameter is more than the limit value set, the also cut-off control loop of monitoring host computer stops crane to dangerous direction operation, excludes event Barrier rear may continue.Two sides monitoring host computer 10 is additionally provided with different priority, and when the operation of unilateral side, monitoring host computer places an order finger It enables, instruction reaches opposite bank motor by data transmission module 10 while ipsilateral motor starts running, because of data transmission module For highest bandwidth up to 300Mbps, the two starts time difference in microsecond rank, can be neglected, i.e. two sides synchronizing motors, Trolley moves under traction.If two sides are simultaneously and operator on monitoring host computer when carrying out to motor operation and there is conflict, According to priority difference, the high instruction of priority is completed after monitoring host computer judgement, and show the instruction of two sides on the screen, reminded Operator carries out communication and coordination.
The present invention has the advantages that:
(1) two sides data are transmitted, it can be achieved that the centralization of cable crane controls mutually in real time, it is only necessary to be operated in side Make two sides synchronizing motors, trailer wagon walking, and different priority is arranged in the monitoring host computer of two sides, two sides simultaneously into Conflict is avoided when row operation.
(2) it is equipped with various kinds of sensors for the supporting part of elevator and cable crane everywhere, site operation personnel is generally difficult to The place observed is all monitored, the safety of full-scope safeguards crane.
(3) monitoring host computer of two sides has Large-size LCD Screen, can the sensor of real-time display cable crane everywhere adopted The data of collection, operator can be in the operating condition for knowing cable crane at the first time, and monitoring host computer is monitoring danger Sound-light alarm can be issued when signal in time, reminds operator.
(4) a data and instruction is recorded at interval of 100mS, data needed for access can be transferred at any time, meanwhile, also produce All kinds of charts, direct feel all data variation tendency.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.

Claims (2)

1. a kind of cable crane centralized control system, it is characterised in that: the system includes weight sensor (1), photoelectric encoder (2), motor current sensor (3), tension sensor (4), air velocity transducer (5, temperature sensor (6, vibrating sensor (7), Limit switch (8), signal acquisition module (9), data transmission module (10), control module (11), monitoring host computer (12);
Wherein, weight sensor (1) passes through electricity using the weight of tension hanging object body to measure of wirerope above measurement suspension hook Weight collected is converted to 4-20mA current signal by linear relationship by bridge, and is output to signal acquisition module by cable (9);
Wherein, photoelectric encoder (2) is mounted on hoisting drum end and trolley travelling hitch wheel, is directly joined with motor main shaft It connects, the circle number of rotation and points are transferred to signal acquisition module (9) by 485 signals in real time by photoelectric encoder (2);
Wherein motor current sensor (3) is mounted on hoisting motor, in traction electric machine major loop, the variation of measuring circuit electric current, It is connect with signal acquisition module (9), exports 4-20ma current signal;
Wherein tension sensor (4) is mounted in hauling rope mechanism and track cable mechanism, by the pulling force on hauling rope and track cable 4-20ma current signal is exported by linear relationship, is connect with signal acquisition module (9);
Wherein air velocity transducer (5) is respectively installed a set of in the middle part of two sides Sarasota tower top and suspension bridge cat road, exports 4-20ma signal, It is connect with signal acquisition module (9);
The temperature sensor (6) be mounted on hoisting motor, traction electric machine casing outside, export 4-20ma current signal, with letter The connection of number acquisition module (9);
Wherein vibrating sensor (7) be mounted on hoisting motor, traction electric machine casing outside, Vibration Parameter is converted into electric signal simultaneously It is finally exported by 4-20ma current signal by amplification, is connect with signal acquisition module (9);
Wherein limit switch (8) installation exports low and high level, with signal acquisition module on the brake and on each door limiting (9) it connects;
Wherein signal acquisition module (9) one end connects each sensor, and one end is connected with data transmission module (10);
Wherein data transmission mould (10) block is separately mounted to two sides, mutually Phase Receiver can send data, the other end is separately connected two sides Monitoring host computer (12), received data are transferred to monitoring host computer;
Wherein monitoring host computer (12) are connected using PLC with data transmission module (10) and control module (11).
2. cable crane centralized control system according to claim 1, it is characterised in that: in operation, monitoring host computer (12) is connect The data sent from data module (10) are received, because transmitting data mutually between data module (10), therefore cable crane is any The monitoring host computer of side all can receive the signal all to construction site, these data are parsed and calculated, finally obtain hoist, Suspension hook lifting altitude, operation stroke, current of electric, cable tension, wind speed, motor temperature, vibration, raising braking, door limiting etc. Parameter, and showing on the screen can also obtain such as cable crane working time, work times, each in addition, by these data The information such as operational order, store while host is shown various information on the screen, convenient to inquire at any time, operate Person can also put out all data and check the curvilinear figure drawn by the data, understand the variation tendency of parameters;In a certain ginseng When number is more than the limit value of setting, the also cut-off control loop of monitoring host computer stops crane to dangerous direction operation, debugging Rear may continue;Two sides monitoring host computer (10) is additionally provided with different priority, and when the operation of unilateral side, monitoring host computer places an order finger It enables, instruction reaches opposite bank motor by data transmission module (10) while ipsilateral motor starts running, because of data transmission module Highest bandwidth up to 300Mbps, the two starts time difference in microsecond rank, can be neglected, i.e. the synchronous fortune of two sides motor Turn, trolley moves under traction;If two sides are simultaneously and operator on monitoring host computer when carrying out to motor operation and there is conflict, Then according to priority difference, the high instruction of priority is completed after monitoring host computer judgement, and shows the instruction of two sides on the screen, is mentioned The operator that wakes up carries out communication and coordination.
CN201910747604.5A 2019-08-14 2019-08-14 Centralized control system of cable crane Active CN110386555B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111580429A (en) * 2020-05-07 2020-08-25 武汉理工大学 Internet of things terminal data acquisition device and monitoring method suitable for shore power system
CN112141889A (en) * 2020-08-14 2020-12-29 湖南省中南桥梁安装工程有限公司 Blind hoisting system and method for hoisting component of cable crane
CN112661014A (en) * 2020-12-20 2021-04-16 河南五建建设集团有限公司 Multifunctional bridge floor crane
CN113194284A (en) * 2021-04-16 2021-07-30 深圳市艾赛克科技有限公司 Intelligent tower crane monitoring system and method
CN118392880A (en) * 2024-07-01 2024-07-26 四川路桥华东建设有限责任公司 Road and bridge safety detection device and detection method thereof

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Publication number Priority date Publication date Assignee Title
FR481801A (en) * 1916-05-19 1917-01-23 Warren Travell Lifting and transport device, combined
JP2912916B1 (en) * 1998-06-29 1999-06-28 石川島播磨重工業株式会社 Cable crane steady rest device
CN102963827A (en) * 2012-11-02 2013-03-13 宜昌市创星电子技术发展有限公司 Tower crane safety management system
CN203319561U (en) * 2013-07-05 2013-12-04 武桥重工集团股份有限公司 Cable crane electric control system based on two-bank control
CN207175264U (en) * 2017-09-19 2018-04-03 开封市志恒电子科技有限公司 A kind of gate-type lifting appliance freight weight limit system based on CAN
CN210457225U (en) * 2019-08-14 2020-05-05 四川路桥华东建设有限责任公司 Centralized control system of cable crane

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR481801A (en) * 1916-05-19 1917-01-23 Warren Travell Lifting and transport device, combined
JP2912916B1 (en) * 1998-06-29 1999-06-28 石川島播磨重工業株式会社 Cable crane steady rest device
CN102963827A (en) * 2012-11-02 2013-03-13 宜昌市创星电子技术发展有限公司 Tower crane safety management system
CN203319561U (en) * 2013-07-05 2013-12-04 武桥重工集团股份有限公司 Cable crane electric control system based on two-bank control
CN207175264U (en) * 2017-09-19 2018-04-03 开封市志恒电子科技有限公司 A kind of gate-type lifting appliance freight weight limit system based on CAN
CN210457225U (en) * 2019-08-14 2020-05-05 四川路桥华东建设有限责任公司 Centralized control system of cable crane

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111580429A (en) * 2020-05-07 2020-08-25 武汉理工大学 Internet of things terminal data acquisition device and monitoring method suitable for shore power system
CN112141889A (en) * 2020-08-14 2020-12-29 湖南省中南桥梁安装工程有限公司 Blind hoisting system and method for hoisting component of cable crane
CN112661014A (en) * 2020-12-20 2021-04-16 河南五建建设集团有限公司 Multifunctional bridge floor crane
CN113194284A (en) * 2021-04-16 2021-07-30 深圳市艾赛克科技有限公司 Intelligent tower crane monitoring system and method
CN113194284B (en) * 2021-04-16 2023-11-03 深圳市艾赛克科技有限公司 Intelligent monitoring system and method for tower crane
CN118392880A (en) * 2024-07-01 2024-07-26 四川路桥华东建设有限责任公司 Road and bridge safety detection device and detection method thereof

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