High-temperature superconductive cable winding machine and cable winding method
Technical field
The present invention relates to high-temperature superconductive cable winding device and cable winding method.
Background technology
Because during normal cable conductor twisted wire mode coiling belt material of high temperature superconduct, there is following shortcoming in the characteristic that belt material of high temperature superconduct is own:
1, normal cable conductor strand system adopts modes such as pipe strand, cage strand, frame strand, bundle strand usually, and device category is various, and general conductor is metal materials such as copper, aluminium, and sabot is multilayer, arranges closed assembly more that conductor twists together straight, is applicable to the stranded of round conductor.The belt material of high temperature superconduct inner core partly is a powdery pottery material, and can forms through the drawing of colding pressing in silver and stainless metal protection protector, is the band of laminar square-section, and sabot is that single cake is for drum.When twisting the preparing high-temp superconducting tape with normal cable conductor strand system mode, the belt material of high temperature superconduct of laminar square-section is torsional deformation very easily, makes the superconduction lamella brittle failure of band inside, destroys its superconducting characteristic.
2, the high-temperature superconductive cable skeleton is a corrugated stainless steel tubing, and bellows is subjected to the pulling force elongation during retractable cable, and strand system back produces internal stress, builds up to a certain degree, must make cable bad, and normal cable conductor strand system mode is not suitable for the stranded of belt material of high temperature superconduct.
Summary of the invention
The present invention seeks to overcome existing spooling equipment and easily make belt material of high temperature superconduct, so that destroy its superconductivity, and propose a kind of new high-temperature superconductive cable winding device and winding method because of the excessive damaged of torsional angle.
Apparatus of the present invention are by treating around cable cable laying device, the front support stand of carrying cable, ball-screw, guide rail, belt material of high temperature superconduct coiling car, the wrapped car of insulating tape, solid shafting, the rear support stand of carrying cable, receipts cable unit and cable skeleton ten big parts are grouped into.Whole coil winding machine all by machine driving control, does not have motor, manual operation fully.
Cable back and front supporting frame is fixed on the two ends of guide rail respectively, and wrapped car of insulating tape and superconducting tape coiling parking stall are in the stage casing of guide rail, and wrapped car of insulating tape and superconducting tape coiling car can whole be free to slide on guide rail.The wrapped car of insulating tape is equipped with the wrapped head of many groups, can finish the wrapped of multilayer insulation band.Wrapped Duplication is adjustable on demand.Wrapped tension force can be controlled tension force by the size that the sheet rubber that is installed in insulation tep reel side is controlled frictional force by the degree of tightness of regulating clamp nut.Superconducting tape coiling car is equipped with the wrapped head of many groups, every group of wrapped head all is equipped with many groups for drum, wrapped head is made up of heavy wall hollow shaft, fixing supporting legs, adjusting nut, adjustable supports leg, confession drum, pad, side guide, top board, tensioner, the heavy wall hollow shaft tightly is enclosed within on the band coiling car hollow shaft, be locked in the outside of band coiling car hollow shaft rear end, the supporting leg of wrapped head is connected with the heavy wall hollow shaft, but the coiling plane is with the angle free adjustment of cable skeleton.
The ball bearing supporting seat is equipped with at the wrapped car of insulating tape, superconducting tape coiling car, sustained height place, cable back and front supporting frame top respectively.In the wrapped car of insulating tape, superconducting tape coiling car ball bearing supporting seat, hollow shaft is housed all.The protective sleeve of tetrafluoroethene is housed in the cable back and front supporting frame bearing support block; hollow shaft and protective casing internal diameter are greater than cable skeleton external diameter; after the cable skeleton penetrates hollow shaft and protective sleeve, constituting working shaft, is to support coiling insulating tape and superconducting tape with the working shaft.
The lower spheres bearing support block also is equipped with at the wrapped car of insulating tape, superconducting tape coiling car, sustained height place, rear support stand bottom respectively, and the solid shafting in the lower spheres of packing into the bearing support block connects together wrapped car of insulating tape and superconducting tape coiling car.The solid shafting rear end is connected with ball-screw, and the ball-screw rear end is screwed in the ball-screw nut that fixes on the rear support stand, and the wrapped car of insulating tape, superconducting tape coiling car, rear support stand organically link together like this.The rotation ball leading screw moves forward and backward by the wrapped car of solid shafting drive insulating tape, superconducting tape coiling car car load.
The outside at solid shafting and hollow shaft, two bearing spider position intermediate, be welded with the sprocket wheel that varies in size, connect the hollow shaft on top and the solid shafting of bottom with chain, the rotation ball leading screw can drive the wrapped head on the wrapped car of insulating tape, the wrapped head on the superconducting tape coiling car rotates, car load moves forward simultaneously, by the different number of teeth ratio of last lower sprocket, regulates the coiling pitch of band.
The basic principle of high-temperature superconductive cable winding method of the present invention is: will all treat around belt material of high temperature superconduct (hereinafter to be referred as band) for drum, be stacked on the adjustable support leg, pull out simultaneously all for the band in the drum, by the angle that has mixed up, band discharged in order have mercy on cable skeleton surface and cement, form a coiling plane at wrapped head to this group band between the cable skeleton, there is an angle on the coiling plane with the cable skeleton, and the size of angle is determined by the desired pitch of coiling cable.When coiling, the coiling plane that band is formed is tangent with cable skeleton surface, is the axial linear contact.The coiling plane equals the cable winding pitch with the tangent plane length of cable skeleton.Wrapped the circle that sways, superconducting tape coiling car moves forward the length of a cable winding pitch linkedly simultaneously.Rotate around the cable skeleton when wrapped, when superconducting tape coiling car moved forward simultaneously, belt material of high temperature superconduct will wrapping up in of nature wrap on the cable skeleton, does not produce any torsional angle.This winding process of the present invention is called plane winding displacement winding process.
For the ease of augmentor is installed, can be divided into a plurality of coilings plane to a coiling plane on request in actual coiling, many groups supply line simultaneously for drum.
Plane of the present invention winding displacement winding process is compared with the winding method of prior art, and two big advantages are arranged when the coiling superconducting tape:
1, common winding process whole bands when coiling are the three-dimensional umbrella shape conical surface, and lead must produce torsional angle during coiling; The band of plane of the present invention winding displacement winding process is two dimension coiling plane, and band can not produce torsional angle during coiling, can guarantee that the band performance is intact.
2, common winding process, band must pass through guide wheel and mould, kinks to be the annulus contact on the cable skeleton; Plane of the present invention winding displacement winding process, band coiling plane is tangent with cable skeleton surface, is the axial linear contact, and when coil winding machine rotated, the lead plane was wrapped up in naturally and is wrapped in electricity on skeleton.
Superconducting tape is slightly larger than strip width for multilayer, single closed assembly on the drum for span in the drum, is called single cake thus for drum.Plane of the present invention winding displacement winding process will treat around the single cake that band is housed be divided into many groups for drum, every group supplies drum to be stacked, be installed on the adjustable support leg, to guarantee that this group is for the band of pulling out in drum simultaneously on the cable skeleton time, keep identical angle, can guarantee that each root band rotates synchronously in the coiling simultaneously.Mounting means and position for drum directly have influence on the coiling result, and at first wrapped head must be by the angular dimension of regulating the adjustable supports leg, and be identical with the cable winding pitch during assurance coiling; The secondth, guarantee from every group of band of pulling out for drum substantially on a plane.
The operating procedure of cable winding method of the present invention is:
At first the wrapped car of insulating tape, superconducting tape coiling car integral body are placed original position before the coiling cable, promptly near cable front support stand side, the bellows cable skeleton that will be wound with insulation then passes cable rear support stand and protective sleeve, the hollow shaft of superconducting tape coiling car, the hollow shaft of the wrapped car of insulating tape in proper order, and the cable front support stand, and cable skeleton front end guidance section is fixed on the special fixture of cable front support stand; The cable skeleton is stretching, and the rear end is fixed on the special fixture of rear support stand, to guarantee that when the coiling cable, the cable skeleton does not produce and moves forward and backward and rotate.Install then for drum, measure and regulate superconducting tape tension force, lapping direction.Pull out band,,, after blended rubber cloth is fixing, insulating tape is installed is also regulated insulating tape tension force, lapping direction by assignment order at least one pitch on the cable skeleton by the pitch that designs.
After finishing above-mentioned preparation, promptly begin the rotation ball leading screw, drive the wrapped head of insulating tape of the wrapped car of insulating tape and the wrapped head of superconducting tape of superconducting tape coiling car and rotate, insulating tape and superconducting tape are wound on the cable skeleton around the cable skeleton.Coiling one circle, wrapped car of insulating tape and superconducting tape coiling car integral body move forward a pitch.Continue coiling to wrapped car of insulating tape and superconducting tape coiling car car load and move to cable rear support stand side, when finishing coiling length and being equivalent to the cable of ball-screw length, stop coiling.Then, bracing frame special fixture and the ball-screw nut that is fixed on the cable rear support stand before and after the releases cable, with this section cable income take-up reel that winds, simultaneously superconducting tape coiling car, the wrapped car integral body of insulating tape are moved to original position round about, tighten up cable back and front supporting frame special fixture, again the clamping cables skeleton with the initiating terminal of the moving ball-screw nut of hand-screw to ball-screw, and is fixed on the cable rear support stand again.Begin the coiling work of next section cable then, finish up to the coiling of whole cable ground floor band.Repeat above step, can finish the coiling of multi-layer tapes cable.
Good effect of the present invention:
1, the radical of the coiling number of plies of band and every layer of coiling band can be selected in scope of design on request, and coiling is easy and simple to handle, reliable in quality.
2, when coiling high-temperature superconductive cable band, the skeleton of hyperconductive cable can not move, and coil winding machine can axially rotate, and can move radially again.
3, cable winding direction and pitch can be regulated on demand.
4, laying tension is even, and every band laying tension can be regulated separately.
5, superconducting tape coiling and insulating tape are wrapped carries out simultaneously.
Description of drawings
Fig. 1 is a belt material of high temperature superconduct coiling machine assembly schematic diagram, among the figure, and 100 cable cable laying devices, 200 cable rear support stands, 300 cable skeletons, 400 ball-screws, 404 ball-screw nuts, 500 guide rails, 600 superconducting tape coiling cars, the wrapped car of 700 insulating tapes, 800 cable front support stands; 900 cable winders, 1000 hollow shafts, 201,601,602,701,702,801 ball bearing supporting seats, the wrapped head of 603 superconducting tapes, the wrapped head of 703 insulating tapes, 604,704 hollow shafts, 206, the front portion of 806 attached cable skeletons, rear portion clip, 607,707 chain wheel location, the coiling plane of 608 coiling bands, the angle of 609 coiling planes and cable skeleton.
Fig. 2 is a plane of the present invention winding displacement winding method principle schematic.Among the figure: the angle of the wrapped head of 603 superconducting tapes, 300 cable skeletons, 608 coiling planes, 609 coiling planes and cable skeleton.
Fig. 3 is the schematic diagram of 3 groups of wrapped heads, among the figure: 604 Kong Xin Shaft, 6032 heavy wall hollow shafts, 6033 fixing supporting legs, 6034 adjusting nuts, 6035 adjustable supports legs, 6036 are for drum, 6037 pads, 6038 side guides, 6039 top boards, 60310 tensioners.
Embodiment
Describe the present invention in detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, belt material of high temperature superconduct coiling machine of the present invention mainly comprises guide rail 500, is used for fixing five parts such as the wrapped car 700 of rear support stand 200, the front support stand 800 of attached cable, insulating tape of ball-screw 400 and hyperconductive cable and superconducting tape coiling car 600.
The top sustained height (as 1 meter) of the wrapped car 700 of insulating tape, belt material of high temperature superconduct coiling car 600, rear support stand 200, front support stand 800 locates to be equipped with respectively the upper spheres bearing support block 201,601,701,801 of four ф 50.The hollow shaft 604 of ф 50 * 1.5 is housed in the middle of two upper spheres bearing support blocks 601 and 701, in two other upper spheres bearing support block 201,801, the tetrafluoroethene protective sleeve is housed.Cable skeleton 300 passes hollow shaft 604 and protective sleeve, constitutes working shaft.The wrapped car 700 of insulating tape, the lower spheres bearing support block 702 of ф 20 is equipped with at the sustained height place, bottom of superconducting tape coiling car 600 respectively, 602, the solid shafting 1000 lower spheres bearing support block 702 of packing into, in 602, wrapped car 700 of insulating tape and superconducting tape coiling car 600 are connected together, solid shafting 1000 rear ends link to each other with 2 meters long ball screws 400 with attaching nut 405, rear end with ball screw 400 is screwed in the ball-screw nut 404 that is fixed on rear support stand 200 bottoms then, so the wrapped car 700 of insulating tape, superconducting tape coiling car 600, rear support stand 200 organically links together.Superconducting tape coiling car 600, the wrapped car 700 of insulating tape are pulled by rotation ball screw mandrel 400.607,707 places, position in the outside of solid shafting 1000 and hollow shaft 604 regulation, be welded with the sprocket wheel that varies in size, with chain hollow shaft 604 and solid shafting 1000 are linked together, this moment, the rotation ball screw mandrel 400, just can drive wrapped 603 of superconducting tape, wrapped 703 of insulating tape rotates, and spurs wrapped car 700 of insulating tape and superconducting tape coiling car 600 simultaneously and moves forward, by regulating the number of teeth ratio of lower sprocket, the coiling pitch of scalable cable.
The specific embodiment of the invention is divided into three groups with band, forms 3 coiling planes during coiling.
High-temperature superconductive cable winding method principle of the present invention is shown in Fig. 2 a, Fig. 2 b.Fig. 2 a is 3 groups of wrapped 603 3 dimensional drawings, is separated by 120 for every group
0Rotate with the heavy wall hollow shaft for wrapped 603.Fig. 2 b is the plane figure of wrapped 603 of one group of superconducting tape.When pulling out whole bands, in the time of on cable skeleton 300, form coiling plane 608 from wrapped 603 of superconducting tape.Coiling plane 608 forms angle 609 with cable skeleton 300, and the angle of angle 609 is determined according to the desired coiling pitch of coiling cable.The wrapped head of superconducting tape turns around, and superconducting tape coiling car moves forward the length of a coiling pitch linkedly simultaneously.Wrapped 603 of superconducting tape pulled out the coiling plane 608 that band forms, form tangent line with cable skeleton 300, when wrapped 603 of superconducting tape around axle rotate and and superconducting tape coiling car 600 when moving forward, superconducting tape is just wrapped up in naturally and is wrapped on the cable skeleton 300.
The high-temperature superconductive cable of the inventive method coiling can not make band produce any torsional angle, thereby guarantee that the performance of band is not affected in winding process.
Fig. 3 is the schematic diagram of wrapped 603 of 3 groups of superconducting tape, and 18 bands are divided into 3 groups and are installed on wrapped 603 of 3 groups of superconducting tape, as shown in Figure 3.The wrapped head of superconducting tape mainly comprises heavy wall hollow shaft 6032, fixing supporting legs 6033, adjusting nut 6034, adjustable supports leg 6035, forms for drum 6036, pad 6037, side guide 6038, top board 6039, tensioner 60310.Heavy wall hollow shaft 6032 is locked at the front end outside of band coiling car hollow shaft 604, the front end outside that three fixing supporting legs 6033 are evenly distributed on heavy wall hollow shaft 6032 welds, by adjusting nut 6034, adjustable supports leg 6035 is tightened by desired angle.Earlier first side guide 6038 is penetrated on the adjustable supports leg 6035, dead in the weldering of the position of regulation, will be placed on the adjustable supports leg 6035 for drum 6036, pad 6037, second side guide, 6038 order stack then, use nut check.Link to each other two side guides 6038 with top board 6039 this moment, and tensioner 60310 all is installed on the top board 6039.Each is on the ring ball bearing being housed in the drum 6036, and after guaranteeing that 6 bands have all been assembled for drum, each single cake can freely rotate for drum.So that tensioner 60310 can be adjusted the tension force of every band at any time.Tensioner 60310 comes the size of adjustment of tonicity by adjusting the spring degree of tightness, spring presses the tetrafluoroethene sheet, the tetrafluoroethene sheet is with producing resistance for drum 6036 end plate arc surface sliding frictions, each single cake supplies all to have on the drum 6,036 one group of independent adjustable tensioner, so the tension force adjustable size of every band is whole to basically identical in the coiling.
The coiling step of the inventive method is as follows:
As shown in Figure 1, before the coiling cable, at first with the wrapped car 700 of insulating tape, superconducting tape coiling car 600 integral body place original position, promptly near cable front support stand 800 sides, the cable skeleton for the treatment of coiling 300 orders that will be wound with the insulation bellows are then passed the cable rear support stand 200 and first protective sleeve, the hollow shaft 604 of superconducting tape coiling car 600, the hollow shaft 704 of the wrapped car 700 of insulating tape, and the cable front support stand 800 and second protective sleeve, and the anterior clip 806 of cable skeleton 300 front end guidance sections with the attached cable skeleton be fixed on the special fixture of cable front support stand 800; Cable skeleton 300 is stretching, and the rear end is fixed on the special fixture of cable rear support stand 200 with the rear portion clip 206 of attached cable skeleton, prevents that cable skeleton 300 moves and rotates in the winding process.Again ball-screw nut 404 is tightened bottom at front support stand 800.On wrapped 603 of the superconducting tape of superconducting tape coiling car 600, fill treat around for drum 6036, on wrapped 703 of the insulating tape of the wrapped car 700 of insulating tape, install insulating tape.From pulling out superconducting tape for the drum 6036, measure and regulate superconducting tape tension force, lapping direction, after the measurement pulling force was suitable, by the pitch that designs, on cable skeleton 300, around a pitch, blended rubber cloth was fixed at least in order; Insulating tape is installed simultaneously and is regulated tension force, lapping direction.
After finishing above-mentioned preparation, promptly begin rotation ball leading screw 400, wrapped 603 of the superconducting tape that drives wrapped 703 of the insulating tape of the wrapped car 700 of insulating tape and superconducting tape coiling car 600 is wound on insulating tape and superconducting tape on the cable skeleton 300 around the rotation of cable skeleton.Coiling one circle, wrapped car 700 of insulating tape and superconducting tape coiling car 600 integral body move forward a pitch.Continue coiling to wrapped car 700 of insulating tape and superconducting tape coiling car 600 car loads and move to cable rear support stand 200 sides, when finishing coiling length and being equivalent to the cable of ball-screw 400 length, stop coiling.Then, bracing frame 800 before and after the releases cable, the anterior clip of 200 attached cable skeletons and rear portion clip 806,206 and be fixed on ball-screw nut 404 on the cable rear support stand 200, with this section cable income take-up reel 900 that winds, from draw drum 100, emit the cable skeleton 300 of equal length simultaneously, simultaneously with superconducting tape coiling car 600, wrapped car 700 integral body of insulating tape move to original position round about, before tightening up cable, the anterior clip and the rear portion clip 806 of rear support stand dedicated fixed cable skeleton, 206, clamping cables skeleton 300, with the initiating terminal of the moving ball-screw nut 404 of hand-screw to ball-screw 400, and be fixed on again on the cable rear support stand 200, the rear portion clip and the anterior clip 206 of cable skeleton are locked, 806, begin the coiling work of next section cable then, finish up to the coiling of whole cable ground floor band.Repeat above step, can finish the coiling of multi-layer tapes cable.
The 75m three-phase alternating current high-temperature superconductive cable of having used the successful coiling of apparatus and method of the present invention.
Belt material of high temperature superconduct curling machine of the present invention is fit to the superconducting tape of coiling square-section, easy brittle failure, and its advantage is:
1, is suitable for coiling big-length cable, meets the industrialized requirement of hyperconductive cable superconducting tape coiling;
2, cable winding method of the present invention does not have any damage to band;
3, strap tension is even, can regulate separately;
4, can be in littler work-yard operation;
5, simple to operation;
6, equipment manufacturing cost is low.