CN201351084Y - Dual-machine load walking type hydraulic numerical control cross cable crane - Google Patents
Dual-machine load walking type hydraulic numerical control cross cable crane Download PDFInfo
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- CN201351084Y CN201351084Y CNU2009201404717U CN200920140471U CN201351084Y CN 201351084 Y CN201351084 Y CN 201351084Y CN U2009201404717 U CNU2009201404717 U CN U2009201404717U CN 200920140471 U CN200920140471 U CN 200920140471U CN 201351084 Y CN201351084 Y CN 201351084Y
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Abstract
The utility model relates to a dual-machine load walking type hydraulic numerical control cross cable crane comprising two sets of load walking type hydraulic numerical control cross cable cranes and a control system, wherein each set of load walking type hydraulic numerical control cross cable crane comprises four parts: a transverse truss girder, two sets of walking type load walking devices arranged at two ends of the transverse truss girder, a hydraulic lifting device and a carrying pole of a hanger; each set of walking type load walking device consists of a guideway, a waling mechanism steel framework, m traction jacks, 4n load conversion jacks, a supporting pull rod, a walking roller bracket and P guideway walking jacks, and all the components are connected with each other by adopting pin shafts; the control system of the cross cable crane is a distributed computer network control system consisting of one main control station, Y field controllers, Y pump stations, Y pump station starting boxes and data acquisition systems, a plurality of data lines and communication lines; the cross cable crane has large lifting force, high work efficiency and good stability; and when the cross cable crane is in load walking, the control system of the cross cable crane can effectively and synchronously control each jack.
Description
Technical field:
The utility model relates to a kind of large-span suspension bridge mechanized construction equipment, particularly a kind of girder of suspension bridge spanning equipment that can solve the transportation of suspension bridge transverse truss girder section level.
Background technology:
Striding the cable loop wheel machine is " the special-purpose spanning equipment of girder of suspension bridge ", through constantly improve over 100 years and improve become the safest, the failure-free equipment of setting a roof beam in place, the separate unit lifting power of striding the cable loop wheel machine has at present reached 500t, traditional girder of suspension bridge erection method is striden the cable loop wheel machine for adopting the unit list to hang hydraulic pressure, it only is vertical lifting that this unit list hangs the function of striding the cable loop wheel machine, the level transportation of suspension bridge transverse truss girder section mainly is by rivers straits shipping, end bay then adopts rope traction to swing and moves, promptly at first make and stride the cable loop wheel machine zero load appropriate location of walking, utilize boats and ships to transport the beam section then, allow again and set up girder after striding the vertical beam section of cable loop wheel machine to its below.
Along with suspension cable spanning footpath is more and more big, use the unit list to hang hydraulic pressure and stride the construction party rule that the cable loop wheel machine sets up girder of suspension bridge and exist inconvenience: 1, short, the total hop count of lifting sections length is many, long in time limit; Poor work stability when 2, adopting separate unit loop wheel machine hanging beam, reversing and lateral runout appears in girder easily, if meet in the hoisting process that strong wind attacks then the safety of beam section will be difficult to guarantee; 3, applicable area is narrow, can not solution level transportation suspension bridge transverse truss girder section arrive the needs of the bridge formation construction of specifying the main beam supporting position: along with the continuous development of Chinese transportation cause, it is with a varied topography that plan builds a bridge, the suspension bridge that sets up on mountain area, shoal and other places particularly, it is very difficult that the level of suspension bridge transverse truss girder section is transported (that is: suspension bridge transverse truss girder section being transported to the below that plan is set up bridge), has a strong impact on main beam supporting.
The utility model content:
The purpose of this utility model is to provide that a kind of lifting power is big, high efficiency, good stability, erecting suspension bridge girder dual-machine loading-and-walking type hydraulic numerical control deck erection gantry, to solve the difficult problem of suspension bridge transverse truss girder section level transportation.
The technical scheme that solves the problems of the technologies described above is: a kind of dual-machine loading-and-walking type hydraulic numerical control deck erection gantry, comprise 2 cover loading-and-walking type hydraulic numerical control deck erection gantry and control system, every cover loading-and-walking type hydraulic numerical control deck erection gantry comprises the transverse truss girder, is installed in two cover walking heavy burden running gears, hydraulic lifting device and suspender shoulder pole four parts at transverse truss girder two ends;
Described transverse truss girder is to connect two-door font heavy burden beam respectively by the truss two ends that H shaped steel welds to constitute, and the space of truss is useful on the workplatform of laying take-up reel, hydraulic power unit and main console desk and workmen; The top of two-door font heavy burden beam is provided with bearing pin;
Every cover walking heavy burden running gear is made up of guide rail, traveling gear steel framework, m platform traction jack, 4n platform load conversion jack, tie-strut, walking roller support and P platform guide rail walking jack, adopts bearing pin to connect between each parts; The guide rail bottom surface is provided with three semi arch feets that are used for cooperating, ride over main push-towing rope on the main push-towing rope, and axis hole, bottom, two ends that traveling gear steel framework top is provided with the bearing pin running-fit respectively are provided with a support cord clip that is used to hold tightly main push-towing rope; The cylinder head of 4n platform load conversion jack is hinged with four drift angles of traveling gear steel framework respectively, the piston rod top of 4n platform load conversion jack is hinged with four walking roller supports respectively, one end of each walking roller support and tie-strut is hinged, the other end of tie-strut and traveling gear steel framework are hinged, and the lower end of walking roller support is provided with the townhouse roller that rolls along guide rail; The cylinder head of guide rail walking jack and the middle part of traveling gear steel framework are hinged, and the piston tip and the guide rail termination of guide rail walking jack are hinged; One end and the traveling gear steel framework of traction jack are hinged, and the traction jack other end is connected with the anchor ear that is fixed on main push-towing rope by the traction steel strand;
When installing and using, the horizontal center line of the two-door font heavy burden beam of transverse truss girder is parallel to main push-towing rope, constitutes the current cat road that is parallel to main push-towing rope, and the 2q platform hydraulic pressure lift jack symmetry main push-towing rope of hydraulic lifting device is installed on the two-door font heavy burden beam across the cat road; The two ends of suspender shoulder pole are connected with the piston rod top of symmetrical main push-towing rope across the hydraulic pressure lift jack in cat road by promoting steel strand, the center of suspender shoulder pole is connected with suspension bridge steel truss girder section to be lifted by connecting pin, the traveling gear steel framework of walking heavy burden running gear is hinged by bearing pin and two-door font heavy burden beam, the m platform traction jack of described walking heavy burden running gear, 4n platform load conversion jack, the 2q platform hydraulic pressure lift jack of p platform guide rail walking jack and hydraulic lifting device is respectively with the circuit of control system and hydraulic tubing is connected and controlled by it; The span of above-mentioned m, n, p, q is: m is 1,2 or 3, and n is 1,2 or 3, and p is 1,2 or 3, and q is 1,2,3 or 4.
The distributed computer network (DCN) control system that the control system of described dual-machine loading-and-walking type hydraulic numerical control deck erection gantry is made up of 1 main console desk, a Y field controller, a Y pumping plant, a Y pumping plant starter box and data acquisition system, plurality of data line and order wire;
Described main console desk is to have monitoring software to realize the main control computer of system monitoring and data management, comprise 1 Programmable Logic Controller and industrial computer as master controller, data exchange by data cable in Programmable Logic Controller and industrial computer;
Described field controller is made up of a Programmable Logic Controller that has write logic control main program and synchronization regulation subprogram, each a pumping plant field controller of configuration and a pumping plant starter box, the starting that the pumping plant starter box is responsible for big small machine stops, and each field controller may command 2q platform promotes jack, m platform traction jack, P platform guide rail walking jack, 4n platform load conversion jack; Y field controller is installed in respectively on Y the hydraulic power unit, and links to each other with main console desk by real-time network;
Described data acquisition system comprises the pressure sensor that is installed in the displacement pickup that is used to detect piston displacement on each jack master top, detects oil inlet pressure, and be installed in be used on the ground tackle up and down to detect ground tackle degree of tightness state near switches set, displacement pickup, pressure sensor, be connected with field controller by control cable respectively near switches set, all detections and control signal are sent to main control computer through communication unit; The position signal that main control computer arrives according to various sensor acquisition, pressure signal, according to certain control program and algorithm, the operation program of decision oil cylinder is finished the co-ordination of cluster jack; The size of while control ratio valve opening, driving oil cylinder is stretched cylinder or the cylinder that contracts with the speed of regulation, thereby realizes the synchro control of jack, the span of above-mentioned m, n, p, q and Y is: m is 1,2 or 3, and n is 1,2 or 3, and p is 1,2 or 3, q is 1,2,3 or 4, and Y is 4,8,12 or 16.
The beneficial effect of the utility model dual-machine loading-and-walking type hydraulic numerical control deck erection gantry is:
One, big, the high efficiency of the utility model dual-machine loading-and-walking type hydraulic numerical control deck erection gantry lifting power, good stability, degree of safety height.
1. big, the high efficiency of lifting power, degree of safety height: the utility model dual-machine loading-and-walking type hydraulic numerical control deck erection gantry is an erecting suspension bridge specialized equipment modern, that adopt the numerical control hydraulic technology, adopt the degree of safety height of two-shipper synchronous working, embody " people-oriented " more than other unit work.
2. good stability, degree of safety height: for the suspension bridge that is arranged in the mountain valley, in main truss installation process and suspension rod suspension status, must suffer from fitful wind attack in the mountain valley, this is the place, key of main truss construction safety, adopt the dual-machine loading-and-walking type hydraulic numerical control deck erection gantry good stability, thereby the degree of safety height.
3. multiple functional, quality is guaranteed: the utility model dual-machine loading-and-walking type hydraulic numerical control deck erection gantry has can finish vertical, two kinds of functions of level run; Be convenient to operation and management, form the Detroit automation face easily, improve workman's skill level by the technology that repeats, quality is guaranteed.
4. economical rationality: only adopt a set of equipment (striding cable loop wheel machine unit for 4) when the utility model dual-machine loading-and-walking type hydraulic numerical control deck erection gantry is used for the erecting suspension bridge main girder construction, its additional equipment is few, comprehensive and the remarkable specialized equipment of this cover performance, can be in all kinds suspension bridge repeated usage, cost can constantly reclaim, and is very economical.
Two, the control system of the utility model dual-machine loading-and-walking type hydraulic numerical control deck erection gantry has following beneficial effect:
1, controllability height; can each jack of dual-machine loading-and-walking type hydraulic numerical control deck erection gantry be control effectively, comprising: lifting synchro control, Liang Tai stride the synchronism of cable loop wheel machine walking---and traction synchro control, the balanced control of load transfer and overpressure protection are controlled.
2, system configuration is reasonable, has remote-controllable and real-time, and is easy and simple to handle, can Long-distance Control, also can control on the spot.
The control system of the utility model dual-machine loading-and-walking type hydraulic numerical control deck erection gantry is the control of a kind of system to the control of jack, comprise distance control mode and master mode on the spot, thereby use this to stride cable loop wheel machine control system both can to have allowed user's remote starter, the flow that stops pumping plant, remote adjustment pumping plant, pressure and control pumping plant finish exercises easily (as the cylinder of stretching, contract of master cylinder; Tight and the pine of upper and lower holder etc.).After the supervisory control computer mandate, lower computer promptly: field controller just can be controlled on the spot, and the site operation personnel can reach M/C automatically to the top and the pump of having authorized.
3, adopt distributed frame, design function is powerful, fault-tolerant ability is strong, the reliability height, and safety is good.
The control system of the utility model dual-machine loading-and-walking type hydraulic numerical control deck erection gantry is made up of upper computer and lower computer.Upper computer (main control computer) uses industrial computer, finishes the design and the exploitation of configuration software, realizes the monitoring and the Data Detection of total system.
That lower computer (field controller) adopts is powerful, reliability is high, easy to maintenance and Programmable Logic Controller that antijamming capability is strong.Field controller is dispersed on each hydraulic power unit, links to each other with main control computer by real-time network.This is a kind of network that uses token bus communication, and each node in the network all can be used as transmission and the reception that main website carries out data.Under on line state, all operations are finished by main control computer, and field controller can only carry out urgency and stop operation; Under off line state, each field controller can carry out operations such as automatic, manual to any one or more that the 2q platform promotes in jack, m platform traction jack, P platform guide rail walking jack, the 4n platform load conversion jack.
Can finish data link between supervisory control computer and the field controller automatically by the data chained list is set, this bus type topological structure has bigger alerting ability, is easy to expand and safeguard, has satisfied system expandability requirement.
Owing to adopted distributed control technology, can guarantee that whole network can not collapse because of certain website fault, has improved the stability of system.The computing machine of remote monitor and control simultaneously, field controller are equipped with the emergency braking key and realize promptly stopping, and guarantee security of system.
Configuration software has been realized the system management authority of different stage, and the Systems Operator can select operating mode, checks trend curve and form etc.; The system engineer can make amendment to monitoring software and slave computer software according to actual conditions.The operating personal of obtaining authority can be in independent operation or the on-line operation of centralized control room realization to any jack and pumping plant, and M/Cs all under automatic running state is inoperative, effectively prevents maloperation.
4, extendability, comformability are strong:
Owing to adopted distributed frame, can carry out hardware configuration according to the specific requirement of each engineering, can on-the-spot carry out " logical combination " by software simultaneously to hardware configuration, greatly improved the comformability of control system.
5, man-machine interface close friend
The various states of system as stretch cylinder, the cylinder that contracts all is presented on the screen, and shows the displacement on every top and the force value of each pumping plant in real time.But make amendment by the opening value of interface Comparative Examples valve simultaneously; thereby regulate the flow size of its apportioning valve output; can also be by the top pressure on every top of interface setting; reach its setting pressure as a certain top; system alarm also quits work, to play safe, the protection to total system and member.
Below, the technical characterictic to the dual-machine loading-and-walking type hydraulic numerical control deck erection gantry of the utility model is further described in conjunction with the accompanying drawings and embodiments.
Description of drawings:
Fig. 1: dual-machine loading-and-walking type hydraulic numerical control deck erection gantry structure and running condition scheme drawing;
Fig. 2: walking heavy burden running gear structural representation;
Fig. 3: traveling gear steel framework structure scheme drawing;
Fig. 4: guide rail structure scheme drawing;
Fig. 5: transverse truss main beam structure scheme drawing;
Fig. 6: transverse truss girder and the hinged scheme drawing of walking heavy burden running gear;
Fig. 7: transverse truss girder and walking heavy burden running gear combination scheme drawing;
Fig. 8: embodiment one described dual-machine loading-and-walking type hydraulic numerical control deck erection gantry control system block diagram;
A pumping plant hydraulic schematic diagram of Fig. 9: embodiment one described dual-machine loading-and-walking type hydraulic numerical control deck erection gantry control system.
Among the figure:
The hinged rigidity pipe link of 1-, 2-walking heavy burden running gear, 3-cord clip, 4-suspension rod anchor clamps, 5-promotes steel strand, 6-suspender shoulder pole, 7-steel truss girder section, 8-hydraulic lifting device, 9-transverse truss girder, the 10-main push-towing rope, 11-guide rail, 12-guide rail walking jack, 13-load conversion jack, 14-traveling gear steel framework, 15-bearing pin, 16-draws jack, 17-tie-strut, 18-walking roller rack shaft hole, the 19-axis hole, 20-supports cord clip, the feet of 21-guide rail, 22-truss, the two-door font heavy burden of 23-beam, 24-draws steel strand, 25-hydraulic pressure lift jack, 26-take-up reel.
The specific embodiment:
Embodiment one:
A kind of dual-machine loading-and-walking type hydraulic numerical control deck erection gantry, comprise that 2 covers stride cable loop wheel machine and control system, the described cable loop wheel machine of striding is a loading-and-walking type hydraulic numerical control deck erection gantry, and every cover loading-and-walking type hydraulic numerical control deck erection gantry comprises transverse truss girder 9, is installed in two cover walking heavy burden running gears 2, hydraulic lifting device 8 and suspender shoulder pole 6 four parts (referring to Fig. 1) at transverse truss girder 9 two ends;
Described transverse truss girder 9 is to connect two-door font heavy burden beam 23 respectively by truss 22 two ends that H shaped steel welds to constitute, and the space of truss is useful on the workplatform of laying take-up reel 26, hydraulic power unit and main console desk and workmen; The top of two-door font heavy burden beam 23 is provided with bearing pin 15 (referring to Fig. 5);
Every cover walking heavy burden running gear 2 is made up of guide rail 11,16,4 load conversions of 14,1 traction of traveling gear steel framework jack jack 13, tie-strut 17, walking roller support 18 and 1 guide rail walking jack 12, adopts bearing pin to connect between each parts; Guide rail 11 bottom surfaces are provided with and are used for cooperating, ride over three semi arch feets 21 on the main push-towing rope with main push-towing rope 10, and axis hole 19, bottom, two ends that traveling gear steel framework 14 tops are provided with bearing pin 15 running-fits respectively are provided with a support cord clip 20 that is used to hold tightly main push-towing rope 10; The cylinder head of 4 load conversion jacks 13 is hinged with four drift angles of traveling gear steel framework 14 respectively, the piston rod top of 4 load conversion jacks 13 is hinged with four walking roller supports 18 respectively, each walking roller support 18 is hinged with an end of tie-strut 17, the other end of tie-strut 17 and traveling gear steel framework 14 are hinged, and the lower end of walking roller support 18 is provided with the townhouse roller that rolls along guide rail; The cylinder head of guide rail walking jack 12 and the middle part of traveling gear steel framework 14 are hinged, and the piston tip and guide rail 11 terminations of guide rail walking jack 12 are hinged; One end and the traveling gear steel framework 14 of traction jack 16 are hinged, and the traction jack other end is connected with the anchor ear that is fixed on main push-towing rope 10 by drawing steel strand 24 (referring to Fig. 2-Fig. 4, Fig. 6-Fig. 7);
When installing and using, the horizontal center line of the two-door font heavy burden beam 23 of transverse truss girder is parallel to main push-towing rope 10, constitute the current cat road that is parallel to main push-towing rope 10, two hydraulic pressure lift jacks, the 25 symmetrical main push-towing ropes 10 of hydraulic lifting device 8 are installed on the two-door font heavy burden beam 23 across the cat road; The two ends of suspender shoulder pole 6 are connected with the piston rod top of symmetrical main push-towing rope 10 across the hydraulic pressure lift jack 25 in cat road by promoting steel strand 5, the center of suspender shoulder pole 6 is connected with suspension bridge steel truss girder section 7 to be lifted by promoting steel strand 5, and it is 23 hinged (referring to Fig. 2-Fig. 4, Fig. 6-Fig. 7) that the traveling gear steel framework 14 of walking heavy burden running gear 2 passes through bearing pin 15 and two-door font heavy burden beam; Two hydraulic pressure lift jacks of 16,4 loads of the traction jack of described walking heavy burden running gear conversion jack 13, guide rail walking jack 12 and hydraulic lifting device 8 are respectively with the circuit of control system and hydraulic tubing is connected and controlled by it.
As Fig. 8, shown in Figure 9: as described in the distributed computer network (DCN) control system formed by main console desk, 4 field controllers, 4 pumping plants, 4 pumping plant starter boxs and data acquisition system and data line of the control system of dual-machine loading-and-walking type hydraulic numerical control deck erection gantry; Each a pumping plant field controller of configuration and a pumping plant starter box, the starting that this pumping plant starter box is responsible for big small machine stops;
Described main console desk is to have monitoring software to realize the main control computer of system monitoring and data management, comprise 1 Programmable Logic Controller and industrial computer as master controller, data exchange by data cable in Programmable Logic Controller and industrial computer; The operation of system all can be carried out on monitored picture, and the various states of system all are presented on the screen, and shows the displacement on every top and the force value of each pumping plant in real time; But make amendment by the opening value of interface Comparative Examples valve simultaneously; thereby regulate the flow size of its apportioning valve output; can also be by the top pressure on every top of interface setting; reach its setting pressure as a certain top; system alarm also quits work, to play the safety guard-safeguard to total system and member.Also can switch to mode on the spot, this pumping plant be carried out execute-in-place by the field control case on the pumping plant.
Described field controller is made up of a Programmable Logic Controller that has write logic control main program and synchronization regulation subprogram; Each field controller all can detect and control 2 and promote top, 1 traction top, 1 guide rail walking jack, 4 load conversion tops; Simultaneously all data are sent to main console desk.Emergency stop switch, long-range/select switch, control button, warning indicator lamp, status indicator lamp etc. on the spot are installed on the panel; Under the Long-distance Control state, the field control case can only carry out shut-down operation; Under state of a control on the spot, the field control case can to all the jacking row on this pumping plant automatically, M/C.
Described data acquisition system comprises the various sensors that are installed on each jack master top:
1. pressure sensor: in operating process, the load change that a pressure sensor monitors this top is installed on every top;
2. displacement pickup: 1 displacement pickup is installed on every jack is used to detect piston displacement;
3. near switch: be installed in to promote on top and the traction top and be used for the position probing on main top and the state-detection of upper and lower holder;
The displacement pickup of data acquisition system, pressure sensor are connected with field controller by control cable respectively near switches set, and all detections and control signal are sent to main control computer through communication unit; The position signal that main control computer arrives according to various sensor acquisition, pressure signal, according to certain control program and algorithm, the sequence of operation of decision oil cylinder is finished the co-ordination of cluster jack; The size of while control ratio valve opening, driving oil cylinder is stretched cylinder or the cylinder that contracts with the speed of regulation, thereby realize the synchro control of jack, adopt communication unit communication between each field controller, all detections and control signal are sent to main control computer through communication unit; The position signal that main control computer arrives according to various sensor acquisition, pressure signal, according to certain control program and algorithm, the sequence of operation of decision oil cylinder is finished the co-ordination of cluster jack; The size of while control ratio valve opening, driving oil cylinder is stretched cylinder or the cylinder that contracts with the speed of regulation, thereby realizes the synchro control of jack.
As a kind of conversion of the utility model embodiment, the described quantity Y that has write the Programmable Logic Controller of logic control main program and synchronization regulation subprogram can increase, and is generally multiple, its span of 4 to be: Y is 4,8,12 or 16; The quantity of corresponding hydraulic power unit and pumping plant starter box also can increase or reduce, and generally is a hydraulic power unit field controller of configuration and a pumping plant starter box; The starting that this pumping plant starter box is responsible for big small machine stops;
The platform number of the lifting jack of each field controller control, traction jack, guide rail walking jack, load conversion jack also can increase or reduce, and generally each field controller may command 2q platform promotes jack, m platform traction jack, P platform guide rail walking jack, 4n platform load conversion jack; Y field controller is installed in respectively on Y the hydraulic power unit, and links to each other with main console desk by real-time network.
The span of above-mentioned m, n, p, q and Y is: m is 1,2 or 3, and n is 1,2 or 3, and p is 1,2 or 3, and q is 1,2,3 or 4, and Y is 4,8,12 or 16.
As a kind of conversion of the utility model embodiment, the emergency stop switch of safety effect has been installed all on main control computer of the present utility model and the field controller.
Claims (3)
1. dual-machine loading-and-walking type hydraulic numerical control deck erection gantry, it is characterized in that: it comprises 2 cover loading-and-walking type hydraulic numerical control deck erection gantry and control system thereof, and described every cover loading-and-walking type hydraulic numerical control deck erection gantry comprises transverse truss girder (9), is installed in two cover walking heavy burden running gear (2), hydraulic lifting device (8) and suspender shoulder pole (6) four parts at transverse truss girder (9) two ends;
Described transverse truss girder (9) is to connect two-door font heavy burden beam (23) respectively by truss (22) two ends that H shaped steel welds to constitute, and the space of truss is useful on the workplatform of laying take-up reel (26), hydraulic power unit and main console desk and workmen; The top of two-door font heavy burden beam (23) is provided with bearing pin (15);
Every cover walking heavy burden running gear (2) is made up of guide rail (11), traveling gear steel framework (14), m platform traction jack (16), 4n platform load conversion jack (13), tie-strut (17), walking roller support (18) and P platform guide rail walking jack (12), adopts bearing pin to connect between each parts; Guide rail (11) bottom surface is provided with and is used for cooperating, ride over three semi arch feets (21) on the main push-towing rope with main push-towing rope (10), and axis hole (19), bottom, two ends that traveling gear steel framework (14) top is provided with bearing pin (15) running-fit respectively are provided with a support cord clip (20) that is used to hold tightly main push-towing rope (10); The cylinder head of 4n platform load conversion jack (13) is hinged with four drift angles of traveling gear steel framework (14) respectively, the piston rod top of 4n platform load conversion jack (13) is hinged with four walking roller supports (18) respectively, each walking roller support (18) is hinged with an end of tie-strut (17), the other end of tie-strut (17) and traveling gear steel framework (14) are hinged, and the lower end of walking roller support (18) is provided with the townhouse roller that rolls along guide rail; The cylinder head of guide rail walking jack (12) and the middle part of traveling gear steel framework (14) are hinged, and the piston tip and guide rail (11) termination of guide rail walking jack (12) are hinged; One end and the traveling gear steel framework (14) of traction jack (16) are hinged, and the traction jack other end is connected with the anchor ear that is fixed on main push-towing rope (10) by traction steel strand (24);
When installing and using, the horizontal center line of the two-door font heavy burden beam (23) of transverse truss girder is parallel to main push-towing rope (10), constitute the current cat road that is parallel to main push-towing rope (10), the symmetrical main push-towing rope of 2q platform hydraulic pressure lift jack (25) (10) of hydraulic lifting device (8) is installed on the two-door font heavy burden beam (23) across the cat road; The two ends of suspender shoulder pole (6) are connected with the piston rod top of symmetrical main push-towing rope (10) across the hydraulic pressure lift jack (25) in cat road by promoting steel strand (5), the center of suspender shoulder pole (6) is connected with suspension bridge steel truss girder section (7) to be lifted by connecting pin, the traveling gear steel framework (14) of walking heavy burden running gear (2) is hinged by bearing pin (15) and two-door font heavy burden beam (23), the m platform traction jack (16) of described walking heavy burden running gear, 4n platform load conversion jack (13), the 2q platform hydraulic pressure lift jack of p platform guide rail walking jack (12) and hydraulic lifting device (8) is respectively with the circuit of control system and hydraulic tubing is connected and controlled by it; The span of above-mentioned m, n, p, q is: m is 1,2 or 3, and n is 1,2 or 3, and p is 1,2 or 3, and q is 1,2,3 or 4.
2. dual-machine loading-and-walking type hydraulic numerical control deck erection gantry according to claim 1 is characterized in that: the distributed computer network (DCN) control system that the control system of described dual-machine loading-and-walking type hydraulic numerical control deck erection gantry is made up of 1 main console desk, a Y field controller, a Y pumping plant, a Y pumping plant starter box and data acquisition system, plurality of data line and order wire;
Described main console desk is to have monitoring software to realize the main control computer of system monitoring and data management, comprise 1 Programmable Logic Controller and industrial computer as master controller, data exchange by data cable in Programmable Logic Controller and industrial computer;
Described field controller is made up of a Programmable Logic Controller that has write logic control main program and synchronization regulation subprogram, each a pumping plant field controller of configuration and a pumping plant starter box, the starting that the pumping plant starter box is responsible for big small machine stops, and each field controller may command 2q platform promotes jack, m platform traction jack, P platform guide rail walking jack, 4n platform load conversion jack; Y field controller is installed in respectively on Y the hydraulic power unit, and links to each other with main console desk by real-time network;
Described data acquisition system comprises the pressure sensor that is installed in the displacement pickup that is used to detect piston displacement on each jack master top, detects oil inlet pressure, and be installed in be used on the ground tackle up and down to detect ground tackle degree of tightness state near switches set, displacement pickup, pressure sensor, be connected with field controller by control cable respectively near switches set, all detections and control signal are sent to main control computer through communication unit; The position signal that main control computer arrives according to various sensor acquisition, pressure signal, according to certain control program and algorithm, the sequence of operation of decision oil cylinder is finished the co-ordination of cluster jack; The size of while control ratio valve opening, driving oil cylinder is stretched cylinder or the cylinder that contracts with the speed of regulation, thereby realizes the synchro control of jack, the span of above-mentioned m, n, p, q and Y is: m is 1,2 or 3, and n is 1,2 or 3, and p is 1,2 or 3, q is 1,2,3 or 4, and Y is 4,8,12 or 16.
3. dual-machine loading-and-walking type hydraulic numerical control deck erection gantry according to claim 2 is characterized in that: be equipped with on the main control computer of described dual-machine loading-and-walking type hydraulic numerical control deck erection gantry control system and the field controller and can realize the emergency braking key that promptly stops.
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2009201404717U CN201351084Y (en) | 2009-01-23 | 2009-01-23 | Dual-machine load walking type hydraulic numerical control cross cable crane |
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| CNU2009201404717U CN201351084Y (en) | 2009-01-23 | 2009-01-23 | Dual-machine load walking type hydraulic numerical control cross cable crane |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786577A (en) * | 2009-01-23 | 2010-07-28 | 柳州欧维姆机械股份有限公司 | Dual-machine loading-and-walking type hydraulic numerical control deck erection gantry and control system and control method |
| CN102915049A (en) * | 2012-10-30 | 2013-02-06 | 青岛同辉汽车技术有限公司 | Pressure control device of compression refuse collector |
| CN103321154A (en) * | 2013-06-27 | 2013-09-25 | 中国中铁股份有限公司 | Construction method for integral hoisting of large-span steel trussed beam |
| CN105666658A (en) * | 2016-04-11 | 2016-06-15 | 北京交通大学 | Automatic template system for straddle-type single-rail traffic rail beam |
| CN105967054A (en) * | 2016-06-24 | 2016-09-28 | 中国冶集团有限公司 | Slip rope device for transporting and lifting photovoltaic panels and construction method of slip rope device |
| CN106149566A (en) * | 2016-08-17 | 2016-11-23 | 王文龙 | Rail rope traction supporting opening/closing system |
| CN106869031A (en) * | 2017-01-21 | 2017-06-20 | 广西大学 | Cable-carried crane capable of rapidly walking and hoisting under load |
| CN106950108A (en) * | 2017-04-20 | 2017-07-14 | 重庆市建筑科学研究院 | Autoclave aerated concrete building block masonry method for testing performance |
| CN107245957A (en) * | 2017-08-16 | 2017-10-13 | 湖南路桥建设集团有限责任公司 | A kind of method and apparatus of aerial trackless erecting suspension bridge stiff girder |
| CN107476195A (en) * | 2017-08-16 | 2017-12-15 | 湖南路桥建设集团有限责任公司 | A kind of suspension bridge transports the fortune beam tackle system of stiff girder |
| CN110626957A (en) * | 2019-09-29 | 2019-12-31 | 中铁大桥局集团第六工程有限公司 | Method for installing cable crane |
-
2009
- 2009-01-23 CN CNU2009201404717U patent/CN201351084Y/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786577A (en) * | 2009-01-23 | 2010-07-28 | 柳州欧维姆机械股份有限公司 | Dual-machine loading-and-walking type hydraulic numerical control deck erection gantry and control system and control method |
| CN101786577B (en) * | 2009-01-23 | 2013-05-15 | 柳州欧维姆机械股份有限公司 | Dual-machine loading-and-walking type hydraulic numerical control deck erection gantry and control system and control method |
| CN102915049A (en) * | 2012-10-30 | 2013-02-06 | 青岛同辉汽车技术有限公司 | Pressure control device of compression refuse collector |
| CN102915049B (en) * | 2012-10-30 | 2015-09-09 | 青岛同辉汽车技术有限公司 | Compression type garbage truck pressure control device |
| CN103321154A (en) * | 2013-06-27 | 2013-09-25 | 中国中铁股份有限公司 | Construction method for integral hoisting of large-span steel trussed beam |
| CN103321154B (en) * | 2013-06-27 | 2015-11-18 | 中国中铁股份有限公司 | A kind of large-span steel trusses integral hoisting construction method |
| CN105666658A (en) * | 2016-04-11 | 2016-06-15 | 北京交通大学 | Automatic template system for straddle-type single-rail traffic rail beam |
| CN105967054A (en) * | 2016-06-24 | 2016-09-28 | 中国冶集团有限公司 | Slip rope device for transporting and lifting photovoltaic panels and construction method of slip rope device |
| CN106149566A (en) * | 2016-08-17 | 2016-11-23 | 王文龙 | Rail rope traction supporting opening/closing system |
| CN106869031A (en) * | 2017-01-21 | 2017-06-20 | 广西大学 | Cable-carried crane capable of rapidly walking and hoisting under load |
| CN106869031B (en) * | 2017-01-21 | 2019-07-16 | 广西大学 | Cable-carried crane capable of rapidly walking and hoisting under load |
| CN106950108A (en) * | 2017-04-20 | 2017-07-14 | 重庆市建筑科学研究院 | Autoclave aerated concrete building block masonry method for testing performance |
| CN106950108B (en) * | 2017-04-20 | 2023-05-19 | 重庆市建筑科学研究院 | Autoclaved aerated concrete block masonry performance detection method |
| CN107245957A (en) * | 2017-08-16 | 2017-10-13 | 湖南路桥建设集团有限责任公司 | A kind of method and apparatus of aerial trackless erecting suspension bridge stiff girder |
| CN107476195A (en) * | 2017-08-16 | 2017-12-15 | 湖南路桥建设集团有限责任公司 | A kind of suspension bridge transports the fortune beam tackle system of stiff girder |
| CN107245957B (en) * | 2017-08-16 | 2022-11-15 | 湖南路桥建设集团有限责任公司 | Method and equipment for erecting stiffening beam of suspension bridge in air without track |
| CN107476195B (en) * | 2017-08-16 | 2023-04-07 | 湖南路桥建设集团有限责任公司 | Girder transporting pulley system for transporting stiffening girder by suspension bridge |
| CN110626957A (en) * | 2019-09-29 | 2019-12-31 | 中铁大桥局集团第六工程有限公司 | Method for installing cable crane |
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