CN103419169A - Expanding machine for accessories of cold-shrinkage cables and method for applying expanding machine - Google Patents
Expanding machine for accessories of cold-shrinkage cables and method for applying expanding machine Download PDFInfo
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- CN103419169A CN103419169A CN201210153765XA CN201210153765A CN103419169A CN 103419169 A CN103419169 A CN 103419169A CN 201210153765X A CN201210153765X A CN 201210153765XA CN 201210153765 A CN201210153765 A CN 201210153765A CN 103419169 A CN103419169 A CN 103419169A
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Abstract
The invention relates to manufacture for cold-shrinkage cables, in particular to an expanding machine for accessories of cold-shrinkage cables and a method for applying the expanding machine. The expanding machine for the accessories of cold-shrinkage cables comprises a machine body, a workbench, hydraulic cylinders and an expanding die. The expanding die is connected with the hydraulic cylinders, the section of the expanding die is annular, a conical head is arranged at the end, which is far away from the hydraulic cylinders, of the expanding die and is detachably connected with the expanding die, a flexible fabric sleeve which penetrates the inside of an accessory of a cold-shrinkage cable is arranged at the end, which is far away from the hydraulic cylinders, of the workbench, the flexible fabric sleeve and the expanding die are coaxial, and the flexible fabric sleeve is fixedly arranged close to one end of the expanding die. The expanding machine and the method have the advantages that the accessory of the cold-shrinkage cable can be expanded while the inner wall of the accessory of the cold-shrinkage cable can be protected, abrasion to the inner wall of the accessory of the cold-shrinkage cable due to direct contact between the expanding die and the inner wall of the accessory of the cold-shrinkage cable is prevented, components on the expanding machine are protected, the service life of the expanding machine is prolonged, and the like.
Description
Technical field
The present invention relates to a kind of manufacture of shrinkage cable, especially relate to a kind of cold shrinking power cable adjunct dilator and using method thereof.
Background technology
Cold shrinking power cable adjunct mainly comprises transition joint, cold-contraction type insulation tube and the cold-contraction type terminal of cable cold-contraction type, and these annexes have little, the easy to operate characteristics of volume.Need before cold shrinking power cable adjunct is used through expansion, then supported inner the installation after stay pipe is expanded cold shrinking power cable adjunct of cold shrinking power cable adjunct.Usually adopt dilator to be expanded cold shrinking power cable adjunct, but an existing class dilator adopts large diameter dilatation mold directly to stretch into cold shrinking power cable adjunct inside, in stretching into process of expansion, easily the inwall to cold shrinking power cable adjunct causes wearing and tearing; Also have the outside protection device for installing of a class dilator at cold shrinking power cable adjunct; although can prevent that cold shrinking power cable adjunct from being risen brokenly; but can only protect the external diameter of cold shrinking power cable adjunct, can't protect the internal diameter of cold shrinking power cable adjunct, equally easily cause the inner wall abrasion of cold shrinking power cable adjunct.Also have a class dilator to have protective device cold shrinking power cable adjunct is protected, but easily protective device is caused to wearing and tearing in process of expansion, and can't be protected protective device, service life is low.
As China Patent Publication No. is: CN102218481A, in on October 19th, 2011 disclosed a kind of Traceless expanding machine for cold shrinkable power cable accessory and expansion method, comprise board, motor-driven hydraulic system, be provided with the silicon rubber pressing mold on board, dismountablely on the horizontal hydraulic pressure oil cylinder be connected with seamless dilatation mold, the distance of silicon rubber pressing mold and horizontal hydraulic pressure oil cylinder is greater than the length of product and the length sum of seamless dilatation mold conical head, the length of silicon rubber pressing mold is greater than the length of product, the central point of the central point of horizontal hydraulic pressure oil cylinder and silicon rubber pressing mold is on a horizontal line, silicon rubber pressing mold inside is filled with columniform silicon rubber, silicon rubber is symmetrical two semicolumns up and down, there is a through hole at the silicon rubber center is divided into symmetrical two semicircle orifices up and down, the external diameter of described through hole and product is identical.This patent employing dilatation mold directly is deep into interiors of products product is expanded; although the silicon rubber pressing mold can be protected product external surfaces; but can't be protected the product inwall, be entered in the process of product at dilatation mold, equally easily be caused the inner wall abrasion of cold shrinking power cable adjunct.
Summary of the invention
First purpose of the present invention is that the dilatation mold for existing cold shrinking power cable adjunct dilator directly stretches into cold shrinking power cable adjunct inside, easily causes the problem of cold shrinking power cable adjunct inner wall abrasion, when a kind of can the expansion cold shrinking power cable adjunct is provided, the inwall of cold shrinking power cable adjunct is protected, prevents that dilatation mold and cold shrinking power cable adjunct inwall from directly contacting the cold shrinking power cable adjunct dilator of caused cold shrinking power cable adjunct inner wall abrasion and the using method of dilator.
Second purpose of the present invention protected, Dolichoectasia machine service life, reduced to change the required cost of parts the parts on dilator.
First purpose of the present invention mainly is achieved by following proposal: a kind of cold shrinking power cable adjunct dilator, comprise body, workbench, hydraulic jack and the dilatation mold be connected with hydraulic jack, the section of described dilatation mold is ring-type, described dilatation mold is provided with conehead away from an end of hydraulic jack, described conehead and dilatation mold removably connect, an end away from hydraulic jack on described workbench is provided with the flexible fabric cover through cold shrinking power cable adjunct inside, one end of described flexible fabric cover coaxial and close dilatation mold with dilatation mold is fixedly installed.To hydraulic jack, provide the Hydraulic Station of power to be positioned at internal body, at the end away from hydraulic jack, the flexible fabric cover is installed, the flexible fabric cover can be the cloth cover.The cold shrinking power cable adjunct of needs expansion is enclosed within to the outside of flexible fabric cover, because the flexible fabric cover is coaxial with dilatation mold, therefore, the primer fluid compressing cylinder drives dilatation mold and moves, and the conehead of dilatation mold is extend in the flexible fabric cover and to the cold shrinking power cable adjunct in the flexible fabric cover outside and expanded.After cold shrinking power cable adjunct is expanded well, in the flexible fabric cover, the conehead dilatation mold is taken apart, because the section of dilatation mold is ring-type, be that inside has through hole, therefore, the flexible fabric of redundance cover oppositely can be penetrated to dilatation mold inside, now, flexible fabric cover near an end of hydraulic jack between dilatation mold and cold shrinking power cable adjunct, flexible fabric overlaps unnecessary part and is positioned at dilatation mold inside, overlap the inside of unnecessary part at flexible fabric and insert stay pipe.The primer fluid compressing cylinder exits dilatation mold from cold shrinking power cable adjunct inside, pull the anti-flexible fabric cover of wearing as dilatation mold inside simultaneously, flexible fabric cover and dilatation mold are exited from cold shrinking power cable adjunct inside simultaneously, and stay pipe is stayed cold shrinking power cable adjunct inside the cold shrinking power cable adjunct after expanding is supported.Enter that flexible fabric overlaps and while expanding cold shrinking power cable adjunct at dilatation mold; the flexible fabric cover can avoid dilatation mold and conehead directly to contact with the inwall of cold shrinking power cable adjunct as a protective device; prevent the wearing and tearing to the cold shrinking power cable adjunct inwall of dilatation mold and conehead, the inwall of cold shrinking power cable adjunct is played a protective role.
Second purpose of the present invention is achieved by following preferred version: as preferably, the outer wall of described dilatation mold is the double-decker for the air-flow conducting, described dilatation mold is provided with charging connector away from an end of conehead, described dilatation mold is provided with several pores near an end of conehead, and pore is around dilatation mold outer surface circular array.The outer wall of dilatation mold adopts double-decker, between double-deck outer wall, can carry out the air-flow conducting.Away from an end of conehead, charging connector is set at dilatation mold, at dilatation mold near an end setting of conehead the pore around the dilatation mold outer surface, by charging connector, dilatation mold is inflated, gas is sprayed by pore through the gap between double-deck outer wall.The gas of pore ejection can carry out slight expansion to the cold shrinking power cable adjunct in flexible fabric cover and the flexible fabric cover outside; increase the gap between dilatation mold and flexible fabric cover; avoid the flexible fabric cover to produce fold and dilatation mold generation hard friction; prevent the wearing and tearing of flexible fabric cover; the flexible fabric cover is protected; extend the service life of flexible fabric cover and whole dilator, reduce to change flexible fabric and overlap required cost.
The outer wall of described dilatation mold also can be provided with for single layer structure and on outer wall several the axial access openings for the air-flow conducting, described dilatation mold is provided with the charging connector with the access opening conducting away from an end of conehead, and described dilatation mold is provided with several pores with the access opening conducting near an end of conehead.Away from an end of conehead, charging connector is set at dilatation mold, at an end setting of the close conehead of dilatation mold and several pores of access opening conducting, by charging connector, dilatation mold is inflated, gas passes through respectively the access opening on the dilatation mold outer wall and is sprayed by pore after entering dilatation mold.The gas of pore ejection can carry out slight expansion to the cold shrinking power cable adjunct in flexible fabric cover and the flexible fabric cover outside; increase the gap between dilatation mold and flexible fabric cover; avoid the flexible fabric cover to produce fold and dilatation mold generation hard friction; prevent the wearing and tearing of flexible fabric cover; the flexible fabric cover is protected; extend the service life of flexible fabric cover and whole dilator, reduce to change flexible fabric and overlap required cost.
As preferably, an end of described conehead is taper seat, and the other end is the step surface coordinated with the via clearance at the dilatation mold middle part of ring-type.One end of conehead is taper seat, is convenient to dilatation mold and enters the flexible fabric cover cold shrinking power cable adjunct is expanded, and play guide effect in process of expansion.The other end of conehead is step surface, and step surface matches with the through hole at the dilatation mold middle part of ring-type, is convenient to dismounting and the installation of conehead.
As preferably, described flexible fabric cover is fixedly connected with the anti-guide post of wearing away from an end of hydraulic jack, and the flexible fabric cover is provided with for taking out the axial opening of conehead near a counter end of wearing guide post.The flexible fabric cover is free end away from an end of hydraulic jack, the free end of flexible fabric cover is fixedly connected with the anti-guide post of wearing, the flexible fabric cover arranges axial opening near a counter end of wearing guide post, after dilatation mold is expanded cold shrinking power cable adjunct fully, take out conehead from the axial opening part of flexible fabric cover, and flexible fabric is overlapped to redundance oppositely penetrate the dilatation mold inside that section is ring-type by the anti-guide post of wearing, anti-through in journey at the flexible fabric cover, the anti-guide post of wearing can be led and be supported the flexible fabric cover, be convenient to the flexible fabric cover by the dilatation mold inner counter to penetrating.
As preferably, the end near hydraulic jack on described workbench is provided with the cylinder coaxial with dilatation mold.An end near hydraulic jack on workbench arranges cylinder, cylinder and dilatation mold coaxial line, after dilatation mold is expanded cold shrinking power cable adjunct fully, the flexible fabric cover is oppositely penetrated in dilatation mold and with the expansion link of cylinder and is fixedly linked, exit dilatation mold and flexible fabric cover by primer fluid compressing cylinder and cylinder, convenient operation, saving manpower simultaneously.
As preferably, described dilatation mold is fixedly connected with connecting rod away from an end of conehead, and described hydraulic jack is connected with dilatation mold by connecting rod.Dilatation mold is connected with hydraulic jack by connecting rod, and drivening rod when the expansion link of hydraulic jack advances promotes dilatation mold by connecting rod and moves towards an end of flexible fabric cover; When exiting dilatation mold, the expansion link of hydraulic jack shrinks drivening rod, drives dilatation mold by connecting rod and moves towards the end away from the flexible fabric cover.
As preferably, be provided with the slide rail for dilatation mold is supported and leads below described dilatation mold.The dilatation mold below arranges slide rail, and dilatation mold is in moving process, and slide rail can be supported and lead dilatation mold, guarantees that the dilatation mold moving direction remains level, avoids the dilatation mold deflection to cause wearing and tearing to the flexible fabric cover.
The using method of above-mentioned cold shrinking power cable adjunct dilator, use step as follows:
1) cold shrinking power cable adjunct is inserted in to flexible fabric along a counter end of wearing guide post and puts, the primer fluid compressing cylinder, the expansion link of hydraulic jack drives dilatation mold by connecting rod and moves towards an end of flexible fabric cover;
2) before the conehead of dilatation mold enters the flexible fabric cover, in the charging connector of dilatation mold, inflate, gas flow into the inside of the double-deck outer wall of dilatation mold along the double-deck outer wall of dilatation mold, gas is sprayed near in the pore of conehead one end by dilatation mold, simultaneously, conehead covers into cold shrinking power cable adjunct inside and cold shrinking power cable adjunct is expanded along flexible fabric;
3) when conehead after cold shrinking power cable adjunct, close hydraulic jack, by the opening of flexible fabric cover, conehead is taken out, start cylinder, cylinder is moved towards an end of flexible fabric cover;
4) after the expansion link on cylinder overlaps near flexible fabric, shifter cylinder, oppositely insert annular dilatation mold inside by the anti-guide post of wearing, and be fixed on the expansion link end of overlapping the cylinder of an end away from flexible fabric;
5) after the flexible fabric cover oppositely penetrates dilatation mold inside, stay pipe is put into to the flexible fabric cover, start cylinder and hydraulic jack simultaneously, the expansion link of cylinder and hydraulic jack is moved towards the end away from the flexible fabric cover.
6) when flexible fabric cover and dilatation mold all from cold shrinking power cable adjunct inside is exited, shifter cylinder and hydraulic jack, stay pipe is stayed cold shrinking power cable adjunct inside, and cold shrinking power cable adjunct is supported, and completes the expansion to cold shrinking power cable adjunct.
Adopt above-mentioned mode of operation can make that dilator is easier to the dilation procedure of cold shrinking power cable adjunct, safety
As preferably, when hydraulic jack is one, hydraulic jack is positioned at the dilatation mold below; When hydraulic jack is two, two hydraulic jacks are all parallel with dilatation mold and lay respectively at the dilatation mold both sides.Hydraulic jack can adopt one or two.When hydraulic jack adopts one, hydraulic jack is positioned under dilatation mold, the upper end of connecting rod and dilatation mold near an end of hydraulic jack be fixedly linked, the lower end of connecting rod and the expansion link end of hydraulic jack be fixedly linked, the power of utilizing connecting rod that the hydraulic jack expansion link is applied passes to dilatation mold, and the power that the power that the assurance hydraulic jack applies connecting rod and connecting rod apply dilatation mold is positioned at same vertical plane.When hydraulic jack adopts two, two hydraulic jacks lay respectively at the both sides of dilatation mold and parallel with dilatation mold, the middle part of connecting rod and dilatation mold are fixedly linked near an end of hydraulic jack, the two ends of connecting rod are connected with the expansion link of two hydraulic jacks respectively, the power that the power that two hydraulic jacks are applied connecting rod and connecting rod apply dilatation mold is positioned at same horizontal plane, and guarantee that dilatation mold is stressed evenly, steadily mobile.
Therefore, cold shrinking power cable adjunct dilator of the present invention and using method thereof possess following advantage: 1, the section of dilatation mold is ring-type, the flexible fabric cover is installed on workbench, cold shrinking power cable adjunct is enclosed within to the flexible fabric cover outside, during expansion, dilatation mold is stretched into to the flexible fabric cover inner, inwall to cold shrinking power cable adjunct is protected, avoid dilatation mold to cause wearing and tearing to the cold shrinking power cable adjunct inwall, and can disassemble conehead and flexible fabric is overlapped to the anti-dilatation mold inside that penetrates, in the flexible fabric cover, stay pipe is installed, make the flexible fabric cover exit cold shrinking power cable adjunct together with dilatation mold, be convenient to expansion, 2, on the outer wall employing double-decker of dilatation mold or the outer wall of dilatation mold, access opening is set, away from an end of conehead, charging connector is set at dilatation mold, near conehead one end, pore is set at dilatation mold, in process of expansion, in charging connector, inflate, gas is sprayed by pore along the outer wall of dilatation mold, increase the gap between dilatation mold outer surface and flexible fabric cover, avoid the flexible fabric cover to produce fold, prevent that dilatation mold and flexible fabric cover from producing hard friction, the flexible fabric cover is protected, extend the service life of flexible fabric cover and dilator, reduce to change flexible fabric and overlap required cost, 3, put and opening is set and the anti-guide post of wearing of an end connection away from dilatation mold at the flexible fabric cover at flexible fabric, can take out conehead at opening part, by the anti-guide post of wearing, flexible fabric is overlapped to the anti-dilatation mold inside that penetrates, the anti-guide post of wearing can play the effect of supporting and leading to the flexible fabric cover, is convenient to the anti-dilatation mold inside that penetrates of flexible fabric cover, 4, on workbench, the end near hydraulic jack is installed cylinder, cylinder and dilatation mold coaxially arrange, the anti-flexible fabric cover that penetrates dilatation mold inside can be fixedly linked with the expansion link of cylinder, when the hydraulic jack startup is exited dilatation mold from cold shrinking power cable adjunct inside, utilize cylinder that the flexible fabric cover is exited from cold shrinking power cable adjunct inside together with dilatation mold, stay pipe is stayed to cold shrinking power cable adjunct inside, convenient operation, saving manpower, 5, an end of conehead is taper seat, and being convenient to dilatation mold, to extend into flexible fabric cover inner, can play guide effect, and the other end of conehead is the step surface coordinated with the via clearance at dilatation mold middle part, is convenient to dismounting and the installation of conehead, 6, hydraulic jack can adopt one, hydraulic jack is arranged on to the dilatation mold below, the power of utilizing connecting rod that the hydraulic jack expansion link is applied passes to dilatation mold, and the power that the power that the assurance hydraulic jack applies connecting rod and connecting rod apply dilatation mold is positioned at same vertical plane, 7, hydraulic jack can adopt two, two hydraulic jacks lay respectively at the both sides of dilatation mold and parallel with dilatation mold, the power that the power that two hydraulic jacks apply connecting rod and connecting rod apply dilatation mold is positioned at same horizontal plane, guarantee that dilatation mold is stressed evenly, dilatation mold can steadily be moved, avoid dilatation mold to tilt.
The accompanying drawing explanation
Accompanying drawing 1 is a kind of overall structure schematic diagram of the present invention;
Accompanying drawing 2 is a kind of cutaway views of dilatation mold of the present invention;
Accompanying drawing 4 is a kind of partial sectional views that dilatation mold of the present invention enters the flexible fabric cover;
Accompanying drawing 5 is the present invention's a kind of partial sectional views when stay pipe is installed;
Accompanying drawing 6 is a kind of partial sectional views when in the present invention, dilatation mold exits;
Accompanying drawing 7 is the present invention's a kind of partial sectional views while completing process of expansion;
Accompanying drawing 9 is a kind of cutaway views of the present invention's dilatation mold in embodiment 3;
Accompanying drawing 10 is A-A place cutaway views in accompanying drawing 9.
Illustrate: 1-body, 2-workbench, 3-hydraulic jack, 4-dilatation mold, the 5-conehead, 51-step surface, 6-flexible fabric cover, 7-charging connector, the 8-pore, 9-access opening, the anti-guide post of wearing of 10-, 11-opening, the 12-cylinder, 13-connecting rod, 14-slide rail, 15-cold shrinking power cable adjunct, the 16-Hydraulic Station, 17-operating desk, 18-drag hook, 19-fixed mount, the 20-holder, 21-reinforcement, 22-stay pipe.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1: as shown in Figure 1, a kind of cold shrinking power cable adjunct dilator, comprise body 1, be positioned at workbench 2 on body 1, be positioned at hydraulic jack 3 and dilatation mold 4 on workbench 2, hydraulic jack 3 is one, and hydraulic jack 3 is fixed on an end of workbench 2 by a fixed mount 19.Hydraulic jack 3 provides power by Hydraulic Station 16, and Hydraulic Station 16 is positioned at body 1.Dilatation mold 4 is positioned at the top of hydraulic jack 3, and the end away from hydraulic jack 3 on workbench 2 is fixed with holder 20, has a nib with dilatation mold 4 coaxial lines on holder 20.Between the fixed mount 19 for fixed hydraulic oil cylinder 3 and holder 20, slide rail 14 is installed, slide rail 14 is positioned at dilatation mold 4 belows, the upper surface of slide rail 14 and dilatation mold 4 laminatings.Flexible fabric cover 6 is installed on holder 20, one end of flexible fabric cover 6 and the nib edge on holder 20 are fixedly linked, flexible fabric cover 6 is the cloth covers that adopt high-intensity cloth to make, and dilatation mold 4 diameters are slightly less than flexible fabric cover 6 and overlap 6 matched in clearance with flexible fabric.An end at workbench 2 close hydraulic jacks 3 is equipped with cylinder 12, cylinder 12 and dilatation mold 4 coaxial lines, and cylinder 12 is fixed on workbench 2 by another one fixed mount 19.The expansion link of cylinder 12, towards dilatation mold 4, is installed with drag hook 18 on the expansion link of cylinder 12.The starting switch of Hydraulic Station 16 and cylinder 12 is positioned on an operating desk 17 on body 1, convenient operation personnel's operation.For the fixed mount 19 of fixing cylinder 12, for the fixed mount 19 of fixed hydraulic oil cylinder 3 and all L-shaped for the holder 20 of fixing flexible fabric sleeve 6, at the fixed mount 19 of " L " shape and the angle of holder 20, be welded with a leg-of-mutton reinforcement 21.As shown in Figure 3, dilatation mold 4 is connected with the expansion link of hydraulic jack 3 by connecting rod 13, the upper end of connecting rod 13 is fixedly connected on the end of dilatation mold 4 near hydraulic jack 3, the lower end of connecting rod 13 is fixedly connected on the expansion link of hydraulic jack 3, and the axis of the expansion link of the axis of dilatation mold 4 and hydraulic jack 3 is positioned at same perpendicular.The section of dilatation mold 4 is ring-type, as shown in Figure 2, is removably connected with conehead 5 on dilatation mold 4, and an end of conehead 5 is taper seat, and the other end of conehead 5 is the step surfaces 51 that coordinate with the via clearance at dilatation mold 4 middle parts of ring-type.The outer wall of the dilatation mold 4 of ring-type is double-decker, there is gap between double-deck outer wall, away from an end of conehead 5, charging connector 7 is installed at dilatation mold 4, the gap between the double-deck outer wall of charging connector 7 and dilatation mold 4 is conducted, and at charging connector 7 places, connects air pumps to the interior inflation of charging connector 7; An end at dilatation mold 4 near conehead 5 has around the pore 8 of dilatation mold 4 outer surfaces, and the gap between the double-deck outer wall of pore 8 and dilatation mold 4 is conducted, and pore 8 is evenly around dilatation mold 4 outer surface annular spread.As shown in Figure 4, at flexible fabric cover 6 ends away from dilatation mold 4, have axial opening 11, opening 11 is greater than the length of cold shrinking power cable adjunct 15 to the distance between holder 20.Be connected with the anti-guide post 10 of wearing in 6 bindings of the end away from dilatation mold 4 one ends of flexible fabric cover.
The using method of above-mentioned cold shrinking power cable adjunct dilator, the free end that first will instead wear guide post 10 penetrates cold shrinking power cable adjunct 15 inside, cold shrinking power cable adjunct 15 is moved towards the direction of flexible fabric cover 6 along the anti-guide post 10 of wearing, until cold shrinking power cable adjunct 15 is inconsistent near an end and the holder 20 of holder 20, now, one section flexible fabric cover 6 near holder 20 is positioned at cold shrinking power cable adjunct 15 inside fully, and the flexible fabric cover 6 of redundance is stretched out by cold shrinking power cable adjunct 15.Then by operating desk 17 primer fluid compressing cylinders 3, the expansion link of hydraulic jack 3 is moved towards an end of flexible fabric cover 6, the expansion link of hydraulic jack 3 promotes dilatation mold 4 by connecting rod 13 and also moves towards an end of flexible fabric cover 6, now, the slide rail 14 of dilatation mold 4 belows can play the effect of supporting and leading to dilatation mold 4, avoids dilatation mold 4 deflections.Before conehead 5 arrival holders 20 at dilatation mold 4 near flexible fabric cover 6 one ends, by air pump to charging connector 7 inner inflatable on dilatation mold 4, gas enters the gap location between the double-deck outer wall of dilatation mold 4 by charging connector 7, and gas is sprayed by pore 8 through the outer wall of dilatation mold 4.When the taper seat of conehead 5 enters flexible fabric cover 6 when inner fully through the nib on holder 20, be positioned at the cold shrinking power cable adjunct 15 that flexible fabric overlaps 6 outsides and expanded by conehead 5.When dilatation mold 4 continues to overlap 6 directions while moving towards flexible fabric; dilatation mold 4 enters flexible fabric and overlaps 6 inside; flexible fabric cover 6 is between the inwall of dilatation mold 4 and cold shrinking power cable adjunct 15; avoid conehead 5 directly to contact with the inwall of cold shrinking power cable adjunct 15 with dilatation mold 4; can be protected the inwall of cold shrinking power cable adjunct 15, avoid the inwall of cold shrinking power cable adjunct 15 to be worn.Meanwhile; the cold shrinking power cable adjunct 15 that the gas of pore 8 interior ejections can overlap 6 outsides to flexible fabric cover 6 and the flexible fabric of dilatation mold 4 outsides is slightly expanded; avoid flexible fabric cover 6 fold to occur; and can increase the gap between dilatation mold 4 outer surfaces and flexible fabric cover 6; prevent that dilatation mold 4 and flexible fabric cover 6 from hard friction occurring; flexible fabric cover 6 is played a protective role; avoid flexible fabric cover 6 to be worn, extend flexible fabric cover 6 service life, reduce to change flexible fabric and overlap 6 required costs.After being stretched out fully away from an end of holder 20 by cold shrinking power cable adjunct 15 when conehead 5, present state as shown in Figure 4, close air pump, stop to the interior inflation of charging connector 7.Conehead 5 is disassembled and overlaps opening 11 taking-ups 6 from flexible fabric from dilatation mold 4, and start cylinder 12, the drag hook 18 on cylinder 12 is moved towards the direction of dilatation mold 4, after the close dilatation mold 4 of drag hook 18, shifter cylinder 12.To instead wear the fixing end of guide post 10 and 6 bindings of flexible fabric cover oppositely extend in the middle through-hole of the dilatation mold 4 that section is ring-type again, and the stiff end that will instead wear guide post 10 and flexible fabric cover 6 hangs on the drag hook 18 of cylinder 12, present state as shown in Figure 5, in flexible fabric cover 6 anti-processes of wearing, the anti-guide post 10 of wearing can overlap 6 to flexible fabric and supported and lead, and is convenient to flexible fabric cover 6 anti-dilatation mold 4 inside that penetrate.The free end that to instead wear again guide post 10 penetrates stay pipe 22 inside, makes stay pipe 22 extend into the inside through the cover of the flexible fabric after counter wearing 6 along the anti-guide post 10 of wearing.Restart cylinder 12 and hydraulic jack 3, the expansion link of cylinder 12 and hydraulic jack 3 is moved towards the direction away from cold shrinking power cable adjunct 15, now, dilatation mold 4 exits in cold shrinking power cable adjunct 15 together with the anti-flexible fabric cover 6 that penetrates dilatation mold 4 inside.In dilatation mold 4 and flexible fabric cover 6 exits the process of cold shrinking power cable adjunct 15, present state as shown in Figure 6, when dilatation mold 4 progressively exits, stay pipe 22 is still stayed the inside of cold shrinking power cable adjunct 15, therefore, be enclosed within the outside of stay pipe 22 during cold shrinking power cable adjunct 15 Stepwize Shrink, utilize the diameter after 22 pairs of cold shrinking power cable adjuncts of stay pipe 15 are expanded to be supported.After dilatation mold 4 and flexible fabric cover 6 exits cold shrinking power cable adjunct 15 fully, close hydraulic jack 3 and cylinder 12, now, stay pipe 22 is supported in cold shrinking power cable adjunct 15 inside, completes whole process of expansion, presents state as shown in Figure 7.If need to repeatedly operate, can utilize the anti-guide post 10 of wearing that flexible fabric cover 6 drag hooks from cylinder 12 18 are taken off, and utilize the anti-guide post 10 of wearing that flexible fabric cover 6 is retracted to original position from dilatation mold 4 inside, and the step surface of conehead 5 51 is reinstalled in the through hole at dilatation mold 4 middle parts of ring-type, the parts of whole dilator are set back, position as shown in Figure 1, continue by the above-mentioned steps operation.
When the expansion link drive dilatation mold 4 of hydraulic jack 3 moves, the power that 13 pairs of dilatation molds 4 of the power that the expansion link of hydraulic jack 3 applies connecting rod 13 and connecting rod apply is positioned at same vertical plane, can make dilatation mold 4 steadily move, and the slide rail 14 of dilatation mold 4 belows also can play and support and guide effect dilatation mold 4, run-off the straight while avoiding dilatation mold 4 to move, avoid the wearing and tearing of dilatation mold to flexible fabric cover 6.
Embodiment 2: the structure of the present embodiment and embodiment 1 is basic identical, and difference is, as shown in Figure 8, hydraulic jack 3 adopts two, and two hydraulic jacks 3 lay respectively at the both sides of dilatation mold 4, and two hydraulic jacks 3 are all parallel with dilatation mold.The middle part of connecting rod 13 and dilatation mold 4 are fixedly linked, the two ends of connecting rod 13 are connected with the expansion link of two hydraulic jacks 3 respectively, and the midpoint of the axle center of dilatation mold 4 between the axle center of the expansion link of two hydraulic jacks 3, the distance between the expansion link of dilatation mold 4 and two hydraulic jacks 3 all equates.The power that the power that adopts this structure can guarantee that 3 pairs of connecting rods 13 of two hydraulic jacks apply and 13 pairs of dilatation molds 4 of connecting rod apply is positioned at same horizontal plane, and can guarantee that dilatation mold 4 is stressed evenly, run-off the straight while avoiding dilatation mold 4 to move.
Embodiment 3: the present embodiment is identical with the structure abridged edition of embodiment 1, difference is, as shown in Fig. 9,10, the outer wall of dilatation mold 4 is single layer structure, the two ends that have 9, six access openings 9 of six axial access openings on the outer wall of dilatation mold 4 all are conducted by circular passage.Away from an end outer surface of conehead 5, charging connector 7 is installed at dilatation mold 4, charging connector 7 is conducted with the circular passage for six access openings 9 of conducting; Have respectively corresponding six access openings 9 in position of 8, six pores 8 of six pores near an end of conehead 5 at dilatation mold 4, pore 8 is conducted with the circular passage for six access openings 9 of conducting.
Should be understood that this embodiment only is not used in and limits the scope of the invention for the present invention is described.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (10)
1. a cold shrinking power cable adjunct dilator, comprise body (1), workbench (2), hydraulic jack (3) and the dilatation mold (4) be connected with hydraulic jack (3), it is characterized in that, the section of described dilatation mold (4) is ring-type, described dilatation mold (4) is provided with conehead (5) away from an end of hydraulic jack (3), described conehead (5) removably connects with dilatation mold (4), the upper end away from hydraulic jack (3) of described workbench (2) is provided with the flexible fabric cover (6) inner through cold shrinking power cable adjunct (15), one end of described flexible fabric cover (6) coaxial and close dilatation mold (4) with dilatation mold (4) is fixedly installed.
2. cold shrinking power cable adjunct dilator according to claim 1, it is characterized in that, the outer wall of described dilatation mold (4) is the double-decker for the air-flow conducting, described dilatation mold (4) is provided with charging connector (7) away from an end of conehead (5), described dilatation mold (4) is provided with several pores (8) near an end of conehead (5), and pore (8) is around dilatation mold (4) outer surface circular array.
3. cold shrinking power cable adjunct dilator according to claim 1, it is characterized in that, be provided with several the axial access openings (9) for the air-flow conducting on the outer wall of described dilatation mold (4), described dilatation mold (4) is provided with charging connector (7) away from an end of conehead (5), and an end of the close conehead (5) of described dilatation mold (4) is provided with several pores (8) with access opening (9) conducting.
4. cold shrinking power cable adjunct dilator according to claim 2, is characterized in that, an end of described conehead (5) is taper seat, and the other end is the step surface (51) coordinated with the via clearance at the dilatation mold (4) of ring-type middle part.
5. according to claim 1 or 2 or 3 or 4 described cold shrinking power cable adjunct dilators, it is characterized in that, described flexible fabric cover (6) is fixedly connected with the anti-guide post (10) of wearing away from an end of hydraulic jack (3), and flexible fabric cover (6) is provided with for taking out the axial opening (11) of conehead (5) near a counter end of wearing guide post (10).
6. according to claim 1 or 2 or 3 or 4 described cold shrinking power cable adjunct dilators, it is characterized in that, the upper end near hydraulic jack (3) of described workbench (2) is provided with the cylinder (12) coaxial with dilatation mold (4).
7. according to claim 1 or 2 or 3 or 4 described cold shrinking power cable adjunct dilators, it is characterized in that, described dilatation mold (4) is fixedly connected with connecting rod (13) away from an end of conehead (5), and described hydraulic jack (3) is connected with dilatation mold (4) by connecting rod (13).
8. according to claim 1 or 2 or 3 or 4 described cold shrinking power cable adjunct dilators, it is characterized in that, described dilatation mold (4) below is provided with the slide rail (14) for dilatation mold (4) is supported and leads.
9. the using method by the described cold shrinking power cable adjunct dilator of claim 1 to 8, is characterized in that, uses step as follows:
1) cold shrinking power cable adjunct is inserted in to flexible fabric along a counter end of wearing guide post and puts, the primer fluid compressing cylinder, the expansion link of hydraulic jack drives dilatation mold by connecting rod and moves towards an end of flexible fabric cover;
2) before the conehead of dilatation mold enters the flexible fabric cover, in the charging connector of dilatation mold, inflate, gas flow into the inside of the double-deck outer wall of dilatation mold along the double-deck outer wall of dilatation mold, gas is sprayed near in the pore of conehead one end by dilatation mold, simultaneously, conehead covers into cold shrinking power cable adjunct inside and cold shrinking power cable adjunct is expanded along flexible fabric;
3) when conehead after cold shrinking power cable adjunct, close hydraulic jack, by the opening of flexible fabric cover, conehead is taken out, start cylinder, cylinder is moved towards an end of flexible fabric cover;
4) after the expansion link on cylinder overlaps near flexible fabric, shifter cylinder, oppositely insert annular dilatation mold inside by the anti-guide post of wearing, and be fixed on the expansion link end of overlapping the cylinder of an end away from flexible fabric;
5) after the flexible fabric cover oppositely penetrates dilatation mold inside, stay pipe is put into to the flexible fabric cover, start cylinder and hydraulic jack simultaneously, the expansion link of cylinder and hydraulic jack is moved towards the end away from the flexible fabric cover;
6) when flexible fabric cover and dilatation mold all from cold shrinking power cable adjunct inside is exited, shifter cylinder and hydraulic jack, stay pipe is stayed cold shrinking power cable adjunct inside, and cold shrinking power cable adjunct is supported, and completes the expansion to cold shrinking power cable adjunct.
10. the using method of cold shrinking power cable adjunct dilator according to claim 9, is characterized in that, when hydraulic jack (3) is one, hydraulic jack (3) is positioned at dilatation mold (4) below; When hydraulic jack (3) is two, two hydraulic jacks (3) are all parallel with extension module (4) tool and lay respectively at dilatation mold (4) both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210153765XA CN103419169A (en) | 2012-05-16 | 2012-05-16 | Expanding machine for accessories of cold-shrinkage cables and method for applying expanding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210153765XA CN103419169A (en) | 2012-05-16 | 2012-05-16 | Expanding machine for accessories of cold-shrinkage cables and method for applying expanding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103419169A true CN103419169A (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210153765XA Pending CN103419169A (en) | 2012-05-16 | 2012-05-16 | Expanding machine for accessories of cold-shrinkage cables and method for applying expanding machine |
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| CN (1) | CN103419169A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015148A (en) * | 2016-08-04 | 2016-10-12 | 王才丰 | Positive-and-negative pressure driving device for mounting tool of cold shrinking cable sealing cap |
| CN106182730A (en) * | 2016-07-28 | 2016-12-07 | 七星电气股份有限公司 | A kind of expansion mold for cool condensing electric cable accessories |
| CN109647970A (en) * | 2018-12-29 | 2019-04-19 | 江苏沃能电气科技有限公司 | A kind of expansion technique of cable accessory |
| CN110303668A (en) * | 2019-07-05 | 2019-10-08 | 安徽龙和电力集团有限公司 | A kind of high-voltage electricity solenoid steel wire expanding machine |
| CN110538967A (en) * | 2019-09-11 | 2019-12-06 | 浙江今飞摩轮有限公司 | Sprue spreader and casting mold |
| CN112719104A (en) * | 2020-12-02 | 2021-04-30 | 安徽扬天金塑新能源装备股份公司 | Double-station efficient hydraulic pipe expander |
-
2012
- 2012-05-16 CN CN201210153765XA patent/CN103419169A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106182730A (en) * | 2016-07-28 | 2016-12-07 | 七星电气股份有限公司 | A kind of expansion mold for cool condensing electric cable accessories |
| CN106015148A (en) * | 2016-08-04 | 2016-10-12 | 王才丰 | Positive-and-negative pressure driving device for mounting tool of cold shrinking cable sealing cap |
| CN109647970A (en) * | 2018-12-29 | 2019-04-19 | 江苏沃能电气科技有限公司 | A kind of expansion technique of cable accessory |
| CN110303668A (en) * | 2019-07-05 | 2019-10-08 | 安徽龙和电力集团有限公司 | A kind of high-voltage electricity solenoid steel wire expanding machine |
| CN110538967A (en) * | 2019-09-11 | 2019-12-06 | 浙江今飞摩轮有限公司 | Sprue spreader and casting mold |
| CN112719104A (en) * | 2020-12-02 | 2021-04-30 | 安徽扬天金塑新能源装备股份公司 | Double-station efficient hydraulic pipe expander |
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Application publication date: 20131204 |