CN203865890U - 6400-ton hydraulic compound crane - Google Patents
6400-ton hydraulic compound crane Download PDFInfo
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- CN203865890U CN203865890U CN201420267382.XU CN201420267382U CN203865890U CN 203865890 U CN203865890 U CN 203865890U CN 201420267382 U CN201420267382 U CN 201420267382U CN 203865890 U CN203865890 U CN 203865890U
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Abstract
The utility model relates to a 6400-ton hydraulic compound crane, and belongs to the field of machineries. The compound crane comprises a steel frame structure, an electro-hydraulic power system and a computer control system, and is characterized in that the steel framed structure comprises four towers, main beams, connecting beams and slipping bearing beams, wherein each tower comprises a base, standard knots and a top knot device; the multiple overlapped standard knots are arranged between the base and the top knot device; the slipping bearing beams are mounted on the top knot devices; the main beams are connected with the upper parts of the slipping bearing beams through flexible hinges; the connecting beams are connected between the towers. The compound crane adopts the computer automatic control system for operation, is few in on-site operators and accurate, stable and security in control, has certain advantages in integral hoisting of oversized and overweight devices and components, and has great significance in improving working efficiency.
Description
Technical field
The invention belongs to mechanical field, be mainly used in large-scale Coal Chemical Industry, Petrochemical Industry build in super large, overweight equipment lifting, complete machine is equipped with many expansion operating modes, can flexible transformation duty construction for different work task, realize the rational distribution of resources, improve operating efficiency.
Range of use: super large, overweight equipment lifting, industrial construction is medium-and-large-sized, heavy component promotes operation.
Background technology
On December 23rd, 2008, domestic Shanxi 160,000 tons/year of coal-based synthetic oil pilot projects of the Lushui River peace that first has independent intellectual property right are formally fuel-displaced, and on March 16th, 2009, gouy safe 160,000 tons/year of coal liquefaction projects in Inner Mongol are formally fuel-displaced.This means that China utilizes own core technology to realize coal liquefaction completely, indicate that national " 863 " new and high technology project and Chinese Academy of Sciences's knowledge innovation project produced first barrel of coal-based synthetic oil, and realized the height combination of industrialization and production, teaching & research, to coal-based synthetic oil industrialization be produced to important demonstration and impetus, and become the important component part that country implements energy resource safety strategy.
Zhongke Synthetic Oil Technology Co., Ltd. produces per year on 160,000 tons of coal-based synthetic oil successful experience bases in former single series, has designed single series and has produced 1800000 tons of coal-based synthetic oil devices per year, will be applied to the coal-based synthetic oil of 5,400,000 tons of annual outputs factory.Nucleus equipment Fischer-Tropsch synthesis device diameter: Φ 10.5m, height 61.2m, the heavily about 3000t of separate unit, this device fabrication, transportation, lifting become project construction critical circuits and worldwide technological puzzle.
The special rex CC8800-1TWIN of domestic and international maximum land formula hoisting crane, the specified maximum load-carrying ability 3200t of both arms crawler crane, the specified maximum load-carrying ability 3072t of Ma Mute MSG80 annular single armed hoisting crane; The maximum crane capacity 1500t of U.S. En Paike self-charge type pylon hoisting crane; By the 2500t gate type hydraulic elevator system of China Petrochemical Industry's four company's Introduced From Abroads, maximum load-carrying ability 2500t, these hoisting cranes have been difficult to the lifting task of this kind equipment.
Summary of the invention
For the super large, superduty equipment, the structural entity that solve at present and occur future lift difficult problem, the invention provides a kind of 6400 tons of hydraulic pressure compound cranes.
Technical scheme of the present invention: 6400 tons of hydraulic pressure compound cranes, by steel framed structure, electrohydraulic dynamic system and computer control system, formed, it is characterized in that described steel framed structure comprises four pylons, girder, contact beam, slippage carrier bar, described pylon comprises base, standard knot, epimerite device, and the standard knot of some joint stacks is set between base and epimerite device; Slippage carrier bar is installed above epimerite device; Above slippage carrier bar, by flexible hinge, connect girder, between pylon and pylon, be connected with and contact beam;
Described electrohydraulic dynamic system comprises bont, from jack-up system, slide device and the pumping plant of hydraulic power is provided; Bont is for hoisting heavy, and bont is comprised of lifter base, lifter, steel strand guide frame, and lifter base is that lifter provides support, and under lifter base, slipping area contacts with girder upper surface;
From jack-up system, for being positioned at one on base, save standard knot jacking to the position of the standard knot height in base top; Described from jack-up system by from jacking stock with push dolly and form, from jacking stock, be enclosed within the base of pylon peripheral and fix with the base of pylon; On the jacking outer sleeve frame of jacking stock cover, jack-up hydraulic ram is installed; The track that pushes dolly is arranged on above the base of pylon and fixes with the base of pylon, pushes dolly setting in orbit;
Slide device is used for providing girder slippage on slippage carrier bar, and slide device comprises track clamper, and one end of track clamper is provided with oil cylinder, and the piston rod of oil cylinder is fixedly connected on flexible hinge bearing, and the other end of track clamper can clamp the track of girder; Track clamper is connected in crawl device pumping plant by oil pipe, and the flexible hinge bearing that the oil cylinder of the power driven track clamper providing by pumping plant stretches out to promote to be fixedly connected with slippage beam moves, thereby drives girder to move.
Described standard knot is comprised of main chord and web member, 4 rectangular frames that main chord organization center spacing is 4 * 4m, be highly 6m, between main chord, by web member, connect, between main chord and web member, adopt bearing pin to connect, in main chord side, be provided with for the jacking supporting leg of jacking and connection leg for contacting beam and being connected, the connection between any two standard knots adopts bayonet joint to be also bolted.
Described from jacking stock by jacking outer sleeve frame, load transfer beam, track adjusting wheel form, load transfer beam is arranged on the crossbeam of jacking outer sleeve frame, track adjusting wheel is arranged on the montant of jacking outer sleeve frame; Jacking outer sleeve frame forms rectangular frame by 4 montants and horizontal pipe link, and rectangular frame is provided with crossbeam.
Described 6400 tons of hydraulic pressure compound cranes comprise any of following operating mode:
(1) tower center distance: 20.1 * 22.2m; Specified hoisting weight: 6400t; The equipment maximum gauge that can sling: 13000mm; Girder length: 28.6m;
(2) tower center distance: 22.2 * 22.2m; Specified hoisting weight: 6400t; The equipment maximum gauge that can sling: 15000mm; Girder length: 28.6m.
Two pylons of the present invention form simple gate frame; Four pylons form compound crane.
Bont is comprised of lifter base, lifter, steel strand guide frame, lifter base is that lifter provides support, under lifter base, slipping area contacts with girder upper surface, stretching in cylinder and contracting cylinder situation of hydraulic ram, can realize the slippage function on girder.Lifter base oad is 6540 * 1600 * 490mm, is designed with 3 lifter mounting holes on lifter base, can be according to different lifting task flexible arrangement.
Guide frame is arranged on lifter base side,, mainly complete the orientation to steel strand in hoisting process, prevent that steel strand are wound around.
Hydraulic power pumping plant comprises propelling movement dolly pumping plant, jack-up system pumping plant, sliding system pumping plant, main elevator system pumping plant
Computer control system comprises main hoisting control device, pylon jacking control setup, cable wind rope control setup, and main hoisting control device comprises 1 main console desk, 16 field controllers, 16 pumping plant starting boxes, 2 switch boxs.Computer control system adopts ethernet mode.2 laser rangefinders of computer control system configuration detect the height of lift heavy.All detections, control signal are concentrated into connection box, and the connection mode by connector enters field controller.
Pylon jacking control setup comprises 2 main console desks, 10 field controllers, 10 pumping plant starting boxes, 2 switch boxs.System adopts ethernet mode.All detections, control signal are concentrated into connection box, and the connection mode by connector enters field controller.Every 5 pumping plants share a set of dynamic power distribution cabinet.
Cable wind rope control setup comprises 2 main console desks, 10 field controllers, 10 pumping plant starting boxes, 2 switch boxs.System adopts ethernet mode.All detections, control signal are concentrated into connection box, and the connection mode by connector enters field controller.Every 5 pumping plants share a set of dynamic power distribution cabinet.
Epimerite device is comprised of two Connection Blocks and door frame epimerite device three parts, and every part is comprised of symmetrical two parts weld assembly, distributes and adopt right-angled crossing to distribute between three parts.
the principle of work of ton hydraulic pressure compound crane:
6400 tons of hydraulic pressure compound cranes are by steelwork tower truss as prop carrier, and lift structure adopts hydraulic rockshaft, and complete machine completes hoisting operation task under computer control system.
Hoisting crane adopts integral structure to adopt door type structure, and portal-framed structure column mainly adopts 6m standard knot to form, and hoisting crane can be realized and in jacking and demolishing process, realizing from falling in installation process, improves hoisting crane installation effectiveness.Main lifter provides hydraulic power by dedicated hydraulic pumping plant, drive lifter to complete continuous receipts cylinder and the action of contracting cylinder, a plurality of lifters form lifter cluster, computer control system gathers a plurality of lifter field datas, by master control system centralized control, can complete a plurality of lifter synchronization actions, independent individual single action function.Lifter connects special hanger by steel strand can complete concrete lifting task.
ton hydraulic pressure compound crane key property
Hoisting crane grade: A2;
Maximum load-carrying ability: 6400t;
Design sling height: 120m;
Truss center-to-center distance: 20.1/22.2m, 22.2/22.2m, 26.2/22.2m, 31.2/22.2m;
Lifter: 2 * 8 * 600t;
Promote maximum speed: 10m/h;
Maximum sliding velocity: the 5m/h of girder;
Sliding maximum sliding velocity: the 5m/h in bottom;
Construction elevator speed: 30m/min, 300Kg;
Door frame is synchronous from pushing up maximum rising or falling speed: 10m/h;
Steelwork component of the present invention is loose mail Assembling, and transport space is little, convenient transportation, and transportation is not transfinited substantially, saves traffic cost, adopts bearing pin to connect between each several part, has easy accessibility, the effect of increasing work efficiency.
Accompanying drawing explanation
Fig. 1 is the front view of the embodiment of the present invention one.
Fig. 2 is along the cross-sectional schematic of A-A line in Fig. 1.
Fig. 3 is along the cross-sectional schematic of B-B line in Fig. 1.
The left view of Fig. 4 Fig. 1.
Fig. 5 is the schematic diagram of slippage girder and slipping mechanism in the embodiment of the present invention one.
Fig. 6 is slippage carrier bar in the embodiment of the present invention one and the schematic diagram of slippage girder.
Fig. 7 is the birds-eye view of Fig. 6.
Fig. 8 is that Fig. 6 is along the cross-sectional schematic of A-A line.
Fig. 9 is that Fig. 6 is along the cross-sectional schematic of B-B line.
Figure 10 is the structural representation of slipping mechanism in the embodiment of the present invention one.
In figure, 1, slippage girder, 2, slippage carrier bar, 3, slipping mechanism, 4, bont, 5, flexible hinge, 6, epimerite device, 7, standard knot, 8, contact beam, 9, base.
The specific embodiment
Embodiment mono-: totally four groups of the bases of the present embodiment, every group is formed by identical two metal solder component assemblies, be bolted fixing.Every group of oad is 7330 * 7330mm, and base main material material is that Q690E, auxiliary material material are Q345E.
Hoisting crane grade: A2;
Tower center distance: 20.1 * 22.2m;
Specified hoisting weight: 6400t;
Equipment maximum gauge: 13000mm
Girder length: 28.6m
Door frame is synchronous from pushing up maximum rising or falling speed: 10m/h;
Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, the pylon of the present embodiment comprises base, standard knot, epimerite device, and the standard knot of some joint stacks is set between base and epimerite device; Slippage carrier bar is installed above epimerite device; Above slippage carrier bar, by flexible hinge, connect girder, between pylon and pylon, be connected with and contact beam;
The slipping mechanism of slippage girder can promote by flexible hinge bearing the slippage of slippage girder 1, and it is to realize by the slipping mechanism 3 of slippage beam that the unloaded and band of slippage girder 1 carries slipping.Unloaded and the band of slippage girder 1 carries slipping as shown in Fig. 5, Fig. 6, Fig. 7.
The slipping mechanism 3 of slippage beam can move on slippage girder 1.Slippage beam slipping mechanism 3 can move on slippage girder 1, thereby regulates the distance between two slippage beam slipping mechanisms 3.
Shown in Fig. 5, one end of slippage girder 1 can also be bolted additional beam 1-1, makes one of them slipping mechanism 3 can slide onto additional beam 1-1.
Shown in Fig. 6 and Fig. 7, in the present embodiment, in two slippage beams, slippage beam 1a is band year state, and slippage beam 1b is light condition.Two slippage beams 1 are crossed on respectively between two slippage carrier bars 2.The top of slippage beam 1a and 1b is also respectively provided with 100 tons of crawl device pumping plant 1c, and pumping plant 1c is connected in slippage beam slipping mechanism 3, for providing power to slide for slippage beam slipping mechanism 3.
Shown in Fig. 8, each slippage girder 1 top is provided with a pumping plant 1c, and this pumping plant 1c connects slippage beam slipping mechanism 3 for power is provided.Thus, the present invention can realize zero load and the band year slippage of slippage girder 1.
Sliding element also comprises 100 tons of track clamper 3-1 in the present embodiment.
As shown in figure 10, one end of 100 tons of track clamper 3-1 has oil cylinder 1e, and the piston rod of oil cylinder is fixedly connected on flexible hinge bearing 5-1, and the other end can clamp the track of slippage carrier bar 2.100 tons of track clamper 3-1 are connected in 100 tons of crawl device pumping plant 1c by oil pipe 1d, the flexible hinge bearing 5-1 that the oil cylinder 1e of the 100 tons of track clampers 3 of power driven that provide by pumping plant 1c stretches out to promote to be fixedly connected with slippage beam 1 moves, thereby drives slippage girder 1 to move.
Unloaded and the band that the present invention can realize slippage beam carries slippage, and the span between two slippage beams of capable of regulating, meets the weight of lifting wider width.
For avoiding transporting the problem that transfinites, jacking outer sleeve frame is designed to loose mail, adopts high strength bolt to connect between each several part member, guarantees whole strength and stability.
From jacking stock, for whole jacking work provides support structure, guarantee, stock centre of support spacing is 6330 * 6330mm, and main material is Q690.
Load transfer beam mainly realize door frame in jacking process door frame and standard knot alternately stressed, realize the interruption jacking from jacking cylinder, complete jacking work, the slippage of load transfer beam provides power by two side slip oil cylinders.
Track adjusting wheel is mainly responsible in door frame jacking process, standard knot being offset and being limited in the horizontal direction, overcomes to a certain extent the laterally offset that door frame occurs in jacking process, guarantees door frame safety in jacking process.
Standard knot is the important composition of 6400 tons of hydraulic pressure compound cranes, is important force structure in door frame self and hoisting process.
Mainly by main chord and web member, formed, it is 4 * 4m that 4 main chords form rear center's spacing, design height is 6m, between main chord and web member, all adopt bearing pin to connect, in main chord of standard section side direction, be designed with the supporting leg for jacking, can be used for contacting the link of beam, the connection between any two standard knots adopts socket joint to connect simultaneously, and joint face adopts high strength bolt to fix.Standard knot main body material is Q460E.
Described standard knot comprises four pillar stiffeners, some pipe links, four pillar stiffeners are equidistant and not a line setting, some pipe links and four pillar stiffeners connect into rectangular frame, it is characterized in that described pillar stiffener comprises left support post and right support post, the two ends of left support post are equipped with butt flange and four diplopore engaging lugs, the centre of left support post is provided with two single hole engaging lugs, left support post is provided with four positioning supports seats, the lower end of left support post is provided with shaft adapter, between two diplopore engaging lugs on left support post top, be provided with a single hole engaging lug, this single hole engaging lug is positioned at the below of diplopore engaging lug connecting bore, the two ends of right support post are equipped with butt flange and five single hole engaging lugs, and the centre of right support post is provided with two three hole engaging lugs, and right support post is provided with eight positioning supports seats, and the lower end of right support post is provided with shaft adapter.
Described diplopore engaging lug is be arranged in parallel by two block plates, and two connecting bores are all set on every block plate, and connecting bore is respectively upper connecting bore and lower connecting bore, and the upper connecting bore on two block plates is coaxial, and the lower connecting bore on two block plates is coaxial; Described three hole engaging lugs are be arranged in parallel by two block plates, three connecting bores are all set on every block plate, and connecting bore is respectively upper connecting bore, middle connecting bore and lower connecting bore, and the upper connecting bore on two block plates is coaxial, middle connecting bore on two block plates is coaxial, and the lower connecting bore on two block plates is coaxial; Described single hole engaging lug consists of a connecting bore on two block plates and steel plate thereof, and the connecting bore on two block plates is coaxial;
Described positioning supports seat is comprised of five block plates, wherein the first block plate is parallel with the second block plate, vertical welding the first block plate and second block plate above of the 3rd block plate, the 4th block plate and the 5th block plate be vertically welded in the 3rd block plate below, the 4th block plate is parallel with the 5th block plate.
Guide frame is comprised of base, lower bracket, upper bracket, diagonal ligament and turning rolls, and lower bracket is fixed on base, and upper bracket is connected with lower bracket, and diagonal ligament connects upper bracket and lower bracket, and some turning rollss are arranged on upper bracket.
Upper bracket vertically supports channel-section steel by two parallel horizontal channel-section steel roots and is connected channel-section steel and is welded to form with 14, on every horizontal channel-section steel, vertical welding root vertically supports channel-section steel, 7 connect channel-section steel and are welded into semicircle and weld 7 equidistant being arranged on upper bracket of turning rolls with the two ends of horizontal channel-section steel.
Lower bracket is comprised of four channel-section steels; Diagonal ligament is that two channel-section steels form.
Roller is comprised of bracing frame and the rotating shaft that is arranged on bracing frame, and bracing frame is rectangular frame.
The top that is positioned at the turning rolls of most significant bit arranges anemoscope.
The model of anemoscope is LVFSC-23, and by the meteorological equipment of Wuhan Lv Yuan, factory produces.
The miles of relative movement that band of the present invention carries slippage girder is 5～6m; Can load 500 tons.
The miles of relative movement of unloaded slippage girder is 2～3m;
Flexible hinge is the product of the 12500kN model of Shanghai Xie Cheng rubber industry Co., Ltd production.
The length of slippage carrier bar is 27000mm, and width is 3000mm, is highly the metal piece of 3570mm, and slippage carrier bar welds some reinforcement gussets and 4 hangers.
Flexible hinge sliding base is comprised of undersetting, flexible hinge, the large parts of upper bracket three, undersetting is the box-structure that steel plate is made, be placed on two rail that are parallel to each other of slippage carrier bar end face, in the chute of undersetting, be inlaid with slippage nylon sheet, the friction drag when reducing slippage.The bottom surface of flexible hinge and end face all arrange boss, are arranged on respectively in the groove of upper bracket and undersetting, and upper bracket is the box-structure that steel plate is made, and end face has two row's mounting holes, and the girder being located thereon is connected fastening by bolt with it.
Rail clamping device comprises hydraulic actuating cylinder, anchorage, fixture block, pull bar, baffle plate, and hydraulic actuating cylinder is fixed by bearing pin and anchorage, two fixture blocks be arranged on track one side and be clipped in track and anchorage between, baffle plate and anchorage are fixed, the effect of baffle plate is to stop that fixture block comes off; On two fixture blocks, pull bar is all set, pull bar arranges spring, and setting nut is arranged on pull bar; The Hydraulic Station of hydraulic actuating cylinder is fixed on anchorage.
On slippage carrier bar, by rail clamping device and two flexible hinge sliding bases, 500 tons of bands are installed and are carried slippage girder.
Slippage carrier bar is connected with bolt by fixing chuck plate with flexible hinge sliding base;
The hinged hydraulic pressure creep machine of flexible hinge sliding base and linear transducer;
One end of linear transducer connects dextrorotation adjust bar, and the other end of linear transducer connects left-handed adjust bar;
Two cover rail clamping devices are arranged on respectively the both sides of slippage beam top rail, and are connected with crawl device oil cylinder by bearing pin.
Described track adjusting wheel is comprised of two guiding trestles and a track adjusting wheel, and two guiding trestles are welded as a whole.First guiding trestle 1 is comprised of six block plates and reinforcement gusset, wherein there are four block plates to form rectangular frame, on the 5th block plate, gusset is strengthened in welding, and on the 6th block plate, gusset is strengthened in welding, and the 5th block plate is parallel and vertical with rectangular frame with the 6th block plate; Second guiding trestle 2 is comprised of two block plates and reinforcement gusset, and every block plate is welded with reinforcement gusset,
On second guiding trestle, by bearing pin, track adjusting wheel is installed, between track adjusting wheel and bearing pin, is provided with self-lubricating cover.
One side of second guiding trestle is provided with positioning baffle by bolt, and positioning baffle is used for preventing that bearing pin from coming off.
One end of bearing pin is provided with two grooves, and two baffle plates 6 are separately positioned in two grooves, and baffle plate is fixed by bolt and second guiding trestle.
Simple gate frame cable wind rope mechanism, comprise hydraulic power unit, hydraulic ram, hydraulic power unit connecting fluid compressing cylinder, it is characterized in that hydraulic ram connects cable wind rope tensioning frame, cable wind rope tensioning frame connects guy sky anchor connector by steel strand, the hinged cable wind rope link span of guy sky anchor connector, cable wind rope link span is provided with the Connection Block being connected with simple gate frame.
Described cable wind rope tensioning frame is provided with hanger, and cable wind rope tensioning frame is by some long steel plates, the orthogonal framework of short Plate Welding, and one end of cable wind rope tensioning frame is provided with engaging lug.
Described guy sky anchor connector becomes framework by two block length steel plates, some short Plate Weldings, and one end of two block length steel plates is equipped with connecting bore.
Described cable wind rope link span is connected into equicrural triangle framework by three steel pipe weldings, and three point of connection of triangular framing are equipped with Connection Block.Connection Block is welded into " door " font by three block plates, and Connection Block is provided with connecting bore.
With the present embodiment supporting also have the standard knot transport establishment for delivery of standard knot, standard knot transport establishment comprises firm banking, sliding base, hydraulic ram, left thrust beam, right thrust beam, sliding base is arranged on firm banking, hydraulic ram is connected between left thrust beam and right thrust beam, and right thrust beam is connected with sliding base.
Firm banking is comprised of two slide rails, and every slide rail is provided with knock hole, and one end of every slide rail is provided with stopper.Stopper is welded into " door " font by three block plates.
Sliding base is comprised of two parallel " work " font steel parts, and two ends and the centre of " work " font steel part are equipped with standard knot earth plate, and standard knot earth plate is for placing the supporting leg of standard knot.Standard knot earth plate bottom arranges nylon slide block.
Standard knot earth plate is welded to form by circular steel plate, doughnut-shaped steel plate, short tube and 8 junction steel plates, between circular steel plate and doughnut-shaped steel plate, be connected short tube, doughnut-shaped steel plate is positioned at upper end, circular steel plate is positioned at lower end, 8 connecting panels are equidistant and be radiation and be arranged on short tube, and are connected with doughnut-shaped steel plate with circular steel plate.
Contact beam is used for connecting 4 standard knot pylon door pillars of hoisting crane, guarantee the stability of door frame in jacking and lifting operation process, contact beam can be divided into 2.9m according to dimensions, 4m, 5m marks joint, 5m connecting joint and adjustment joint, for adapting to the different operating modes of 6400 tons of hydraulic pressure compound cranes, contact beam can form 15.48m, 17.58m, 21.58m, 26.58m four kinds of different lengths, port center-to-center distance is 3.05 * 4m, contact beam one end adopts 3 ear connectors to link with standard knot, another section links with standard knot by independent 3 terminal lugs, the independent 3 ear connector other ends are connected with adjustment joint, between independent 3 ear connectors and adjustment joint, setting range is 0～50mm.Generally every 5 layers of standard knot are installed one deck contact beam.
Described epimerite device being for linking between standard knot and slippage carrying, below connection standard joint, epimere connects slides carrier bar.Oad is 4700 * 4700 * 1855mm, epimerite device is mainly comprised of Connection Block 1, Connection Block 2 and door frame epimerite device three parts, every part is comprised of symmetrical two parts weld assembly, distributes and adopts right-angled crossing to distribute, to guarantee epimerite device resistance to overturning between three parts.
The pressure that described slippage carrier bar produces from girder for carrying hoisting process, passes to door frame supporting leg by power, above the beam of slippage simultaneously sliding rail is installed, for girder slippage provides carrier.Slippage carrier bar is main bearing member in hoisting process, therefore design integral body adopts box-structure, oad is 27000 * 3000 * 3570mm, and surrounding is provided with inspection platform with easy to use, between inspection platform and slippage carrier bar, adopts 8.8 grade bolts to be connected.
Described flexible hinge
,equipment or member can produce distortion at hoisting process middle girder, if adopt and be firmly connected between girder and slippage beam, will cause local stress excessive, at girder, be connected with slippage carrier bar and adopt flexible hinge, between the upper and lower bearing of flexible hinge, ball pivot is installed, can guarantee that girder is still face contact under deformation, improve stressedly, flexible hinge oad is 4520 * 2480 * 1651mm.At flexible hinge undersetting, speciality nylon sheet is installed, guarantees slippage smoothly on slippage carrier bar.
Girder is one of main lifting primary structure member, and every group of girder is comprised of two single-beams, the every group of maximum carrying of girder 3200t, and girder adopts welding box-shaped structure in configuration aspects, for adapting to different operating mode girders, is divided into 28.6m and 6m two parts,
6400 tons of hydraulic pressure retrial hoisting crane operating modes adopt 28.6m girder, and 28.6m girder oad is 28600 * 1900 * 3200mm.
Described elevator system is mainly comprised of lifter base, lifter, steel strand guide frame.
Lifter base is that lifter provides support, and lower slipping area contacts with girder upper surface, stretching in cylinder and contracting cylinder situation of hydraulic ram, can realize the slippage function on girder.Lifter base oad is 6540 * 1600 * 490mm, is designed with 3 lifter mounting holes on lifter base, can be according to different lifting task flexible arrangement.
Guide frame is arranged on lifter base side and mainly completes the orientation to steel strand in hoisting process, prevents that steel strand are wound around.
According to difference lifting task, lifter can be realized 2～16 flexible arrangement, and the specified quantity that installs of every table lifter is 42, in actual use procedure, can adjust flexibly according to actual hoisting weight, reaches the rational distribution of resources.
The present invention has configured Universal hanger, equipment hoisting special hanger and the slipping tail special hanger connecting for steel strand, and equipment hoisting special hanger endoporus is φ 1800mm, can increase inner ring plate according to the concrete size of equipment hanger and regulate in actual hoisting process.
Everything parts of the present invention all adopt hydraulic structure to control, have stable, failure-free feature, through calculating in detail, each system liquid pressure power collocation rationally, concrete configuration is as shown in following table 1, table 2, and each jack is provided with displacement pickup and pressure sensor, the real-time teletransmission of field data can be calculated to Central Control Room computer control system.
Described electrohydraulic dynamic system comprises some hydraulic jacks, comprising main lifting jack, adopts LSD6000/25-400A type, is arranged on girder top lift and carries on base; Draw anchor jack to adopt LSD2000-300F type, be arranged on cable wind rope tensioner inner, from jack, adopt YD2000/25-3400A type, be arranged on door frame base jacking bearing, slippage jack adopts YD80/16-250 type, is arranged on upper strata jacking outer sleeve frame, luffing jack adopts YD80/16-320 type, be arranged on lower floor's jacking outer sleeve frame chord member, rail clamping device jack adopts JGQ1000 type, is arranged on slippage carrier bar and sliding base; Hydraulic jack provides power by hydraulic power unit.
6400 tons of hydraulic pressure compound cranes are controlled and are adopted computing machine decentralized data acquisition, and common control system is controlled, and have the features such as control is accurate, stable, safety.
Main hoisting control device comprises 1 main console desk, 16 field controllers, 16 pumping plant starting boxes, 2 switch boxs.System adopts ethernet mode.2 laser rangefinders of system configuration detect the height of lift heavy.All detections, control signal are concentrated into connection box, and the connection mode by connector enters field controller.
Pylon jacking, cable wind rope control setup comprise 2 main console desks, 10 field controllers, 10 pumping plant starting boxes, 2 switch boxs.System adopts ethernet mode.All detections, control signal are concentrated into connection box, and the connection mode by connector enters field controller.Every 5 pumping plants share a set of dynamic power distribution cabinet.
embodiment bis-
The hoisting crane key property of the present embodiment is:
Hoisting crane grade: A2;
Specified hoisting weight: 6400t;
Design sling height: 120m;
Tower center spacing: 22.2 * 22.2m;
Lifter: 2 * 8 * 600t;
Equipment maximum gauge: 15000mm;
Promote maximum speed: 10m/h;
Maximum sliding velocity: the 5m/h of girder;
Sliding maximum sliding velocity: the 5m/h in bottom;
Construction elevator speed: 30m/min, 300Kg;
Other structure is identical with embodiment mono-.
Claims (5)
1.6400 ton hydraulic pressure compound crane, comprise steel framed structure, electrohydraulic dynamic system, it is characterized in that described steel framed structure comprises four pylons, girder, contact beam, slippage carrier bar, described pylon comprises base, standard knot, epimerite device, and the standard knot of some joint stacks is set between base and epimerite device; Slippage carrier bar is installed above epimerite device; Above slippage carrier bar, by flexible hinge, connect girder, between pylon and pylon, be connected with and contact beam;
Described electrohydraulic dynamic system comprises bont, from jack-up system, slide device and the pumping plant of hydraulic power is provided; Bont is for hoisting heavy, and bont is comprised of lifter base, lifter, steel strand guide frame, and lifter base is that lifter provides support, and under lifter base, slipping area contacts with girder upper surface;
From jack-up system, for being positioned at one on base, save standard knot jacking to the position of the standard knot height in base top; Described from jack-up system by from jacking stock with push dolly and form, from jacking stock, be enclosed within the base of pylon peripheral and fix with the base of pylon; On the jacking outer sleeve frame of jacking stock cover, jack-up hydraulic ram is installed; The track that pushes dolly is arranged on above the base of pylon and fixes with the base of pylon, pushes dolly setting in orbit;
Slide device is used for providing girder slippage on slippage carrier bar, and slide device comprises track clamper, and one end of track clamper is provided with oil cylinder, and the piston rod of oil cylinder is fixedly connected on flexible hinge bearing, and the other end of track clamper can clamp the track of girder; Track clamper is connected in crawl device pumping plant by oil pipe, and the flexible hinge bearing that the oil cylinder of the power driven track clamper providing by pumping plant stretches out to promote to be fixedly connected with slippage beam moves, thereby drives girder to move.
2. 6400 tons of hydraulic pressure compound cranes according to claim 1, it is characterized in that described standard knot is comprised of main chord and web member, 4 rectangular frames that main chord organization center spacing is 4 * 4m, be highly 6m, between main chord, by web member, connect, between main chord and web member, adopt bearing pin to connect, be provided with for the jacking supporting leg of jacking and connection leg for contacting beam and being connected in main chord side, the connection employing bayonet joint between any two standard knots is also bolted.
3. 6400 tons of hydraulic pressure compound cranes according to claim 1, it is characterized in that described from jacking stock by jacking outer sleeve frame, load transfer beam, track adjusting wheel form, and load transfer beam is arranged on the crossbeam of jacking outer sleeve frame, and track adjusting wheel is arranged on the montant of jacking outer sleeve frame; Jacking outer sleeve frame forms rectangular frame by 4 montants and horizontal pipe link, and rectangular frame is provided with crossbeam.
4. 6400 tons of hydraulic pressure compound cranes according to claim 1, is characterized in that described 6400 tons of hydraulic pressure compound cranes comprise any of following operating mode:
(1) tower center distance: 20.1 * 22.2m; Specified hoisting weight: 6400t; The equipment maximum gauge that can sling: 13000mm; Girder length: 28.6m;
(2) tower center distance: 22.2 * 22.2m; Specified hoisting weight: 6400t; The equipment maximum gauge that can sling: 15000mm; Girder length: 28.6m.
5. 6400 tons of hydraulic pressure compound cranes according to claim 1, it is characterized in that described computer control system comprises main hoisting control device, pylon jacking control setup, cable wind rope control setup, described main hoisting control device comprises 1 main console desk, 16 field controllers, 16 pumping plant starting boxes, 2 switch boxs; 2 laser rangefinders of computer control system configuration detect the height of lift heavy;
Described pylon jacking control setup comprises 2 main console desks, 10 field controllers, 10 pumping plant starting boxes, 2 switch boxs, all detections, control signal are concentrated into connection box, connection mode by connector enters field controller, and every 5 pumping plants share a set of dynamic power distribution cabinet;
Described cable wind rope control setup comprises 2 main console desks, 10 field controllers, 10 pumping plant starting boxes, 2 switch boxs; All detections, control signal are concentrated into connection box, and the connection mode by connector enters field controller; Every 5 pumping plants share a set of dynamic power distribution cabinet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420267382.XU CN203865890U (en) | 2014-05-23 | 2014-05-23 | 6400-ton hydraulic compound crane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420267382.XU CN203865890U (en) | 2014-05-23 | 2014-05-23 | 6400-ton hydraulic compound crane |
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| CN203865890U true CN203865890U (en) | 2014-10-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991803A (en) * | 2014-05-23 | 2014-08-20 | 中化二建集团有限公司 | 6,400-ton hydraulic pressure compound crane |
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2014
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103991803A (en) * | 2014-05-23 | 2014-08-20 | 中化二建集团有限公司 | 6,400-ton hydraulic pressure compound crane |
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Address after: 030021 No. 23, Yijing street, Wanbailin District, Taiyuan City, Shanxi Province Patentee after: CHINA CHEMICAL ENGINEERING SECOND CONSTRUCTION Corp. Patentee after: TAIYUAN HEAVY INDUSTRY Co.,Ltd. Patentee after: Zhongke synthetic oil Technology Co.,Ltd. Address before: 030021 No. 23, Yijing street, Wanbailin District, Taiyuan City, Shanxi Province Patentee before: CHINA CHEMICAL ENGINEERING SECOND CONSTRUCTION Corp. Patentee before: TAIYUAN HEAVY INDUSTRY CO.,LTD. Patentee before: SYNFUELS CHINA TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20141008 |