CN104210977A - Modularized distribution type winch integration control system - Google Patents
Modularized distribution type winch integration control system Download PDFInfo
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- CN104210977A CN104210977A CN201410385730.8A CN201410385730A CN104210977A CN 104210977 A CN104210977 A CN 104210977A CN 201410385730 A CN201410385730 A CN 201410385730A CN 104210977 A CN104210977 A CN 104210977A
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Abstract
The invention relates to a modularized distribution type winch integration control system, which comprises a multi-winch integration control computer, a single-winch operation console and an integral single-winch control and data collection executing mechanism, wherein the multi-winch integration control computer is connected with the single-winch operation console through a wired and wireless industrial Ethernet, the work of a high-power variable-frequency motor is controlled by a variable-frequency control cabinet in the single-winch control and data collection executing mechanism, and a torque motor is controlled by a rope storage cylinder torque motor controller to complete the synchronous winding and unwinding of a steel wire rope. For the running state of equipment at site, a spiral encoder and a load sensor can collect the winding and unwinding speed signals and absolute displacement signals of the steel wire rope, the collected data is sent into the single-winch operation console by a site data collection transmitter, and then is sent to the multi-winch integration control computer by the operation console through the industrial Ethernet, and finally the integration control computer is used for synchronously controlling multiple winches in real time according to the process requirements.
Description
Technical field
The present invention relates to main cable erection in a kind of suspension bridge construction, the upper winch pull-in control system used of bridge floor erection.Particularly modularized distribution type winch integrated control system.
Background technology
Along with advancing by leaps and bounds of the capital constructions such as highway in China traffic, as the suspension bridge that span ability is maximum, become gradually across river, over strait, one of the first-selected bridge type of crossing over valley.The main push-towing rope of suspension bridge is its main stressed member, modern suspension generally adopts parallel steel wire main push-towing rope, be made up of the zinc-plated parallel wire unit of prefabricated high strength (PWS is commonly called as " strand "), main cable erection to use be made up of multiple stage winch traction system, come by the construction technology of aerotow; For the suspension bridge being positioned at valley, mountain area, bridge floor erection construction also need adopt a kind of be made up of multiple stage winch traction, Lift-on/Lift-off System, the hanging device being referred to as " cable crane " has come.These tractions, Lift-on/Lift-off System in use all require to carry out synchronous operation to multiple stage winch, to ensure construction safety and construction quality requirement.At present, each winch synchronous is that commanding directly links up realization by wireless intercom equipment and each winch operating personal, because of local communication interference more greatly, human element impact in addition, affect synchronization accuracy.
Summary of the invention
The object of this invention is to provide a kind of modularized distribution type winch integrated control system, to guarantee construction quality and safety standard requirements.Realize the concentrated synchro control to all winchs in traction and Lift-on/Lift-off System.
The object of the present invention is achieved like this, modularized distribution type winch integrated control system, it is characterized in that: many winchs integrating control computing machine is connected with multiple stage winch Control & data acquisition actuating unit network by public telecommunication network, every platform winch Control & data acquisition actuating unit comprises separate unit winch operating console, on-site data gathering transmitter, storage rope roll Moment Motor Controller, frequency-conversion control cabinet, load sensor, spiral coder, torque motor and high-power frequency conversion motor, spiral coder is fixed in the barrel rotating shaft of the winch that high-power frequency conversion motor drives, to obtain the revolution of winch barrel, in order to calculate winch running velocity, load sensor is fixed in first track adjusting wheel after steel rope extraction winch, to obtain steel wire rope tension, load sensor, spiral coder are connected with the input interface of on-site data gathering transmitter respectively, on-site data gathering transmitter is electrically connected with separate unit winch operating console interface, separate unit winch operating console is electrically connected with high-power frequency conversion motor by frequency-conversion control cabinet, controls high-power frequency conversion motor, by separate unit winch operating console to on-site data gathering transmitter, spiral coder, load sensor real time signal aquisition and control, by monitoring frequency-conversion control cabinet, obtain rotating speed and the hand of rotation of high-power frequency conversion motor, the cat road track cable traction synchro control to multiple stage winch connects is set up.
Described integrating control computing machine adopts desk-top or portable microcomputer.
Described separate unit winch operating console adopts programmable controller.
Described public telecommunication network adopts wired and wireless industrial ethernet.
Described cat road track cable adopts drawing connection, respectively arranges a large-tonnage winch single line back and forth to drawing in two sides, and traction synchro control requires two winch a pull and a place, and often pair of winch speed is identical, and hand of rotation is contrary.
Described main cable strand erection construction adopts the construction of Double line reciprocating type synchronous traction system, it is the haulage cable of two winchs being positioned at the same anchorage of suspension bridge homonymy, the position suitable in two sides pulls device with two and couples together, synchro control two winchs one are received, one put, and realize the reciprocal erection to main cable strand.
Advantage of the present invention is: by transforming the modularization of winch, adopt distributed computer control principle and computer networking technology, by being positioned at rivers, the large-scale winch of straits and two sides, valley links together, for carrying out synchro control to the traction of two sides winch or Lift-on/Lift-off System.Owing to have employed modularized distribution type design, make system size can according to engine request flexible combination, synchronizing function also can flexible configuration as required.Through the winch of modularization transformation, both can multiple stage be used by computer integrated control, also can the operation of separate unit separate manual.Substantially increase capacity utilization rate, effectively improve construction environment, improve operating efficiency, construction quality and construction safety.Main control computer adopts graphical control inerface, the running state at each winch and each position of a whole set of traction system in system is demonstrated in real time under this interface, under this controls environment, main control computer both can whole winchs of synchro control whole system, again can each winch separately in control system, before system wide synchronized is run, to carry out state setting to the every platform winch in system, to make it meet the conditions dictate of synchronized operation.
Below in conjunction with enforcement accompanying drawing, the present invention is further described.
Accompanying drawing explanation
Fig. 1 is the explanation of the invention process functional block diagram.
In figure: 1, high-power frequency conversion motor; 2, torque motor; 3, spiral coder; 4, load sensor; 5, frequency-conversion control cabinet; 6, rope roll Moment Motor Controller is stored up; 7, on-site data gathering transmitter; 8, single winch operating console; 9, single winch Control & data acquisition actuating unit; 10, many winchs integrating control computing machine; 11, Industrial Ethernet.
Detailed description of the invention
As shown in Figure 1, modularized distribution type winch integrated control system, it is characterized in that: many winchs integrating control computing machine 10 is raised machine monitoring execution module 9 network by public telecommunication network 11 and multiple stage monovolume and is connected, every platform monovolume is raised machine monitoring execution module 9 and is comprised separate unit winch operating console 8, on-site data gathering transmitter 7, storage rope roll Moment Motor Controller 6, frequency-conversion control cabinet 5, load sensor 4, spiral coder 3, torque motor 2, high-power frequency conversion motor 1.Spiral coder 3 is fixed in the barrel rotating shaft of the winch that high-power frequency conversion motor 1 drives, and load sensor 4 is arranged on steel rope guiding fixed pulley, to obtain multiple stage winch running velocity and steel wire rope tension; Load sensor 4, spiral coder 3 are electrically connected with on-site data gathering transmitter 7 interface respectively; On-site data gathering transmitter 7 is electrically connected with separate unit winch operating console 8 interface; Separate unit winch operating console 8 is electrically connected with high-power frequency conversion motor 1 by frequency-conversion control cabinet 4, controls high-power frequency conversion motor 1; Separate unit winch operating console 8 is electrically connected with torque motor 2 by storage rope roll Moment Motor Controller 6, controls, realize controlling the folding and unfolding of haulage cable to storage rope roll torque motor 2; Separate unit winch operating console 8 pairs of on-site data gathering transmitters 7, spiral coder 3, load sensor 4 carry out real time signal aquisition, by obtaining rotating speed and the hand of rotation of high-power frequency conversion motor 1 to frequency-conversion control cabinet 4, make the cat road track cable to the connection of multiple stage winch or main rope of suspension bridge realization traction synchro control, complete the erection of cat road track cable or main rope of suspension bridge.Thus meet in bridge construction the construction process requirement needing to adopt multiple stage winch sync pulling to control.As: the two-shipper adopted in the erection of suspension bridge cat road track cable connects traction construction technique to drawing, the Double line reciprocating type synchronous traction system construction technology adopted in main cable strand erection construction, and some other need adopt multiple stage winch to carry out the construction technology etc. of synchronization job.
According to the requirement that cat road track cable traction construction or main rope of suspension bridge erection are drawn in whole distraction procedure, the physical location that can pull residing for device according to traction is different, adopt different sync pulling speed, the steel cable tensile stress size simultaneously detected according to load sensor 4, according to the control policy preset, finely tune the speed of driven winch, guarantee the safe, efficient of whole running under power process.The track cable erection of cat road or main rope of suspension bridge set up in distraction procedure, main control computer control system can control two pairs of winch traction systems of Liang Tiaomao road or two main rope of suspension bridge respectively, two pairs of separate operations of winch, between synchronous requirement.
Many winchs integrating control computing machine 10 gathers folding and unfolding speed, definitely rope stretching lap signal and the steel wire rope tension signal data of steel rope by collection spiral coder 3 and load sensor 4, the math modeling set up in advance in machine as calculated, calculate the real-time rope stretching length of winch and be pulled the current location of component, large-scale Liquid Crystal Display intuitively demonstrates the real-time status of whole system to graphically, make system condition visual in image, equipment state is very clear, integrated operation is easy to learn, and operation controls safe and reliable.
Many winchs integrating control computing machine 10 is the main control computers being assigned with large-scale LCDs, adopts desk-top or portable microcomputer.Main control computer is connected with the multiple single winch operating console 8 in system by Industrial Ethernet 11, main control computer adopts graphical control inerface, the running state at each winch and each position of a whole set of traction system in system is demonstrated in real time under this interface, under this controls environment, main control computer both can whole winchs of synchro control whole system, again can each winch separately in control system, so that before system wide synchronized is run, state setting is carried out to the every platform winch in system, makes it meet the conditions dictate of synchronized operation.
the work flow of multiple construction technology:
1, single line reciprocating synchronous traction system control flow: the reciprocating sync pulling construction technology of single line, generally adopts two winchs one between suspension bridge two anchorage to receive, one is rivals in a contest and draws single haulage cable to realize.Before starting traction, first the two haulage cables utilizations of two winchs are pulled device and connect into one, adjustment pulls device to the winch side of depositing trailed steel rope; Two rack winches be positioned between two anchorages start simultaneously, and speed equidirectional is contrary.Single line reciprocating sync pulling work flow is as follows: will pull device and adjust to corresponding start position, and put in-house being pulled of rope and set up cat road track cable (or main push-towing rope) front end anchor head and be connected and fixed → synchronous averaging two rack winches (rope closing temporarily with being arranged on, another puts rope) → low speed crosses over loose cable saddle door frame guide wheel group → sync plus white to allowing haulage speed, go upward to king-tower top preamble deceleration → low speed and cross over main span by king-tower top door frame guide wheel group → sync plus white to allowing haulage speed, close to opposite king-tower front reduction gear → low speed by king-tower top, opposite door frame guide wheel group → sync plus white to allowing haulage speed, come downwards to opposite and fall apart cable saddle front reduction gear → low speed by loose cable saddle door frame guide wheel group → stopping traction, anchoring is connected with corresponding anchor system by being led cat road track cable (or main push-towing rope) the front end anchor head put in place.Make to pull device in reverse order after traction terminates and return former traction starting point, complete next root traction dead work.The erection of usual cat road track cable, adopts the reciprocating synchronous traction system of single line to construct mostly.
2, Double line reciprocating type synchronous traction system control flow: Double line reciprocating type sync pulling construction technology adopts two winchs one being positioned at the same anchorage of suspension bridge to receive, be rivals in a contest and draw haulage cable to realize.Often overlap the reciprocal traction system of two-wire to be made up of three haulage cables, before starting traction, first two winchs are arranged on the homonymy of same anchorage, wherein 1# winch is containing the 1# haulage cable do not pulled out, 2# haulage cable in 2# winch is drawn out, one end fag end is connected with 2# winch, and other end fag end is anchorage place on the opposite bank; Opposite bank anchorage homonymy arranges horizontal guide sheave and Fang Suo mechanism; Set up the 3rd 3# haulage cable, its two ends fag end is placed in anchorage place, two sides respectively; Utilize two to pull device in anchorage appropriate location, two sides, three haulage cables to be coupled together respectively, wherein 1# pulls device and is connected with 3# haulage cable by 1# haulage cable at winch bank, 2# pulls device and is connected with the 3# haulage cable walking around horizontal guide sheave by 2# haulage cable on the opposite bank, forms Double line reciprocating type traction system.Double line reciprocating type traction system workflow is as follows: be arranged on and put that rope is in-house is pulled erection track cable (or main push-towing rope) front end, cat road anchor head, be connected and fixed with the device that pulls before horizontal guide sheave temporarily, start two rack winch (rope closings simultaneously, another Synchronous Radio rope) → low speed crosses over loose cable saddle door frame guide wheel group → sync plus white to allowing haulage speed, go upward to king-tower top preamble deceleration → low speed and cross over main span by king-tower top door frame guide wheel group → sync plus white to allowing haulage speed, close to opposite king-tower front reduction gear → low speed by king-tower top, opposite door frame guide wheel group → sync plus white to allowing haulage speed, come downwards to opposite and fall apart cable saddle front reduction gear → low speed by loose cable saddle door frame guide wheel group → stopping traction, led cat road track cable (or main push-towing rope) the front end anchor head put in place and connected anchoring by being pulled with corresponding anchor system, complete single traction erection.Meanwhile, former be arranged on rack winch anchorage place pull before device is placed to opposite bank horizontal guide sheave, draw with next velamen cat road track cable (or main push-towing rope) the front end anchor head set up to be connected and fixed temporarily, start two winchs simultaneously, draw next Gen Mao road track cable (or main push-towing rope) with identical flow process and contrary hand of rotation, form Double line reciprocating type circulation erection.Double line reciprocating type synchronous traction system construction configuration sync pulling complicated construction technique more reciprocating than single line, but this operating efficiency is doubled compared with the reciprocating sync pulling of single line, and energy consumption also reduces nearly half.The erection of main push-towing rope is comparatively large because of traction quantity, usually adopts the construction of Double line reciprocating type synchronous traction system.
In these two kinds of traction systems, the synchronous of two winchs all must be realized by " the winch integrated control system " of this Project-developing, in whole distraction procedure, guarantee that two to drawing winch at distraction procedure energy synchronous averaging, and with a winch for benchmark, control the synchronized folding and unfolding of another winch.In order to ensure the safety of equipment in operational process and personnel, system, by the detection of dynamic of cable tension and the dynamic conditioning to passive winch speed in haulage cable operation, ensures that the tension force of steel rope in whole distraction procedure controls in the safe range allowed; Particularly when putting cable system and trailed cat road rope (main cable strand) occurs Carcel, can control traction system emergent stopping in time, there is safety misadventure in prevention system.Simultaneously, in distraction procedure, by spiral coder and computing machine, to the positional information calculation of device operation be pulled out, computing machine is by according to the haulage speed-position data preset, control the haulage speed of two rack winches, guarantee in whole distraction procedure, especially cross over the safety of system cloud gray model during the door frame guide wheel group of king-tower top.
Claims (6)
1. modularized distribution type winch integrated control system, it is characterized in that: many winchs integrating control computing machine is connected with multiple stage winch Control & data acquisition actuating unit network by public telecommunication network, every platform winch Control & data acquisition actuating unit comprises separate unit winch operating console, on-site data gathering transmitter, storage rope roll Moment Motor Controller, frequency-conversion control cabinet, load sensor, spiral coder, torque motor and high-power frequency conversion motor, spiral coder is fixed in the barrel rotating shaft of the winch that high-power frequency conversion motor drives, to obtain the revolution of winch barrel, in order to calculate winch running velocity, load sensor is fixed in first track adjusting wheel after steel rope extraction winch, to obtain steel wire rope tension, load sensor, spiral coder are connected with the input interface of on-site data gathering transmitter respectively, on-site data gathering transmitter is electrically connected with separate unit winch operating console interface, separate unit winch operating console is electrically connected with high-power frequency conversion motor by frequency-conversion control cabinet, controls high-power frequency conversion motor, by separate unit winch operating console to on-site data gathering transmitter, spiral coder, load sensor real time signal aquisition and control, by monitoring frequency-conversion control cabinet, obtain rotating speed and the hand of rotation of high-power frequency conversion motor, the cat road track cable traction synchro control to multiple stage winch connects is set up.
2. modularized distribution type winch integrated control system according to claim 1, is characterized in that: described integrating control computing machine adopts desk-top or portable microcomputer.
3. modularized distribution type winch integrated control system according to claim 1, is characterized in that: described separate unit winch operating console adopts programmable controller.
4. modularized distribution type winch integrated control system according to claim 1, is characterized in that: described public telecommunication network adopts wired and wireless industrial ethernet.
5. modularized distribution type winch integrated control system according to claim 1, it is characterized in that: described cat road track cable erection adopts drawing connection, a large-tonnage winch single line is respectively set in two sides back and forth to drawing, traction synchro control requires two winch a pull and a place, often pair of winch speed is identical, and hand of rotation is contrary.
6. modularized distribution type winch integrated control system according to claim 1, it is characterized in that: described main cable strand erection construction adopts the construction of Double line reciprocating type synchronous traction system, it is the haulage cable of two winchs being positioned at the same anchorage of suspension bridge homonymy, the position suitable in two sides pulls device with two and couples together, synchro control two winchs one are received, one put, and realize the reciprocal erection to main cable strand.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109137741A (en) * | 2018-09-20 | 2019-01-04 | 广东省长大公路工程有限公司 | A kind of automatic control system and monitor supervision platform of suspension bridge strand trailer system |
| CN109242068A (en) * | 2018-09-20 | 2019-01-18 | 广东省长大公路工程有限公司 | Can automatic reporting position information suspension bridge strand trailer system and monitor supervision platform |
| CN111463708A (en) * | 2020-05-07 | 2020-07-28 | 广东技术师范大学 | Development method of automatic traction ground wire live replacement device |
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| CN109242068A (en) * | 2018-09-20 | 2019-01-18 | 广东省长大公路工程有限公司 | Can automatic reporting position information suspension bridge strand trailer system and monitor supervision platform |
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| CN111463708A (en) * | 2020-05-07 | 2020-07-28 | 广东技术师范大学 | Development method of automatic traction ground wire live replacement device |
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