CN105609391A - Sealing cylinder base type fuse with pressure releasing function - Google Patents
Sealing cylinder base type fuse with pressure releasing function Download PDFInfo
- Publication number
- CN105609391A CN105609391A CN201511007817.2A CN201511007817A CN105609391A CN 105609391 A CN105609391 A CN 105609391A CN 201511007817 A CN201511007817 A CN 201511007817A CN 105609391 A CN105609391 A CN 105609391A
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- China
- Prior art keywords
- fuse
- sealing drum
- drum base
- sealing
- end cap
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/22—Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse
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Abstract
The invention discloses a sealing cylinder base type fuse with a pressure releasing function. The sealing cylinder base type fuse comprises a sealing cylinder base, a fuse carrying part and a fuse assembly, wherein the sealing cylinder base adopts a cylindrical structure with a one-way opening; the fuse carrying piece and the fuse assembly are arranged in the sealing cylinder base from the opening direction of the sealing cylinder base in sequence; the sealing cylinder base comprises a base, a glass fiber epoxy cylinder, two wiring pieces and two conductive rings that are fixed on the inner wall surface of the fiber epoxy cylinder separately; the fuse carrying part comprises a floating end cover, a bracket, a handle, an insulating arm, a connecting rod, an annunciator and a wiring base. The fuse provided by the invention has the pressure releasing function; when the pressure in the sealing cylinder base is overhigh, partial pressure can be released to prevent the fuse carrying part from popping due to overhigh pressure in the sealing cylinder base; and in addition, the fuse is convenient to operate and reliable in sealing.
Description
Technical field
The present invention relates to a kind of sealing drum base type fuse with release of pressure function.
Background technology
At present, American box type transformer is because of its compact conformation, cheap and be widely used in wind-power electricity generation systemIn system. The main sealing drum base type fuse that adopts in American box type transformer. But at the bottom of existing sealing drumSeat formula fuse is not with release of pressure function, when pressure in sealing drum base is excessive, easily makes fusing carrier eject,Accidentally injure operating personnel.
Summary of the invention
The object of the invention is to overcome the defect of prior art, at the bottom of a kind of sealing drum with release of pressure function is providedSeat formula fuse, when its pressure in sealing drum base is excessive, can discharge a part of pressure, prevents closePressure in sealed tube base is crossed ambassador's fusing carrier and is ejected, easy to operate, and sealing is reliable.
The object of the present invention is achieved like this: a kind of sealing drum base type fuse with release of pressure function, bagDraw together sealing drum base, fusing carrier and fuse member assembly, described sealing drum base is the cylindrical shape that is unidirectional openingStructure, described fusing carrier and fuse member assembly are successively set on sealing from the opening direction of described sealing drum baseIn cylinder base, wherein,
Described sealing drum base comprises that pedestal, glass epoxy cylinder, two lug plates and two are separately fixed atConducting ring on the internal face of glass epoxy cylinder, described glass epoxy cylinder is the columnar structured of unidirectional opening,Described base sleeve is connected on the openend of described glass epoxy cylinder and is connected with described glass epoxy cylinder, described inUniform four the outstanding pulley spindles in the corresponding position of openend of the excircle of pedestal and described glass epoxy cylinder;Described two lug plates be arranged on correspondingly described glass epoxy cylinder with two corresponding status of conducting ringPut, and described two lug plates are all positioned at the outside of described glass epoxy cylinder, one end of described two lug platesAfter the radial penetration glass epoxy cylinder of glass epoxy cylinder, be connected with two conducting rings correspondingly, Mei GesuoState a support member is installed on lug plate;
Described fusing carrier comprises unsteady end cap, support, handle, insulation arm, connecting rod, signalling means and junction block,Described unsteady end cap is arranged on the openend of described sealing drum base, and described unsteady end cap and sealing drum baseBetween be provided with sealing ring; Described support is arranged on the front end of described unsteady end cap, described support and floating endLid is connected, and is provided with Compress Spring between described support and described unsteady end cap; Described in described handle is positioned atThe front end of support, described handle is connected with described support, and on the installation end of described handle and described pedestalTwo pulley spindles are connected; Described insulation arm is arranged on the rear end of described unsteady end cap, the front end of described insulation armBe connected with the rear end of described unsteady end cap, the rear end of described insulation arm is provided with nut inserts; Described connecting rod withDescribed insulation arm be arranged in parallel, and the two ends of described connecting rod correspondingly with the two ends of described insulation arm can beforeAfter be movably connected; Described signalling means and junction block are arranged on respectively the leading flank of described support, and described letterNumber device is electrically connected with described junction block by three-core conductor;
Described fuse member assembly comprises fuse member, and the front and back ends of described fuse member arranges respectively a fuse member cap,The outside of each described fuse member cap all arranges a conductive plate, a spring touch finger, a bolt, a nut andHolding screw, is equipped with canted coil spring in described conductive plate, and described conductive plate is by bolt and described fuse member capBe connected, described nut thread is connected on described bolt, and described nut compresses and fix described conductive plate, instituteState holding screw along on the described conductive plate of being axially fixed in of described bolt; Described in described spring touch finger is welded onOn fuse member cap, and the spring touch finger that is positioned at the front end of described fuse member is fixed on the rear end of described insulation arm;Be positioned on the fuse member cap of front end of described fuse member and be provided with striker; Described insulation arm is by the nut on itInserts is connected with the described bolt of the front end that is positioned at described fuse member.
The above-mentioned sealing drum base type fuse with release of pressure function, wherein, described support comprises cross plateWith two side plates, a through hole is offered at the middle part of described cross plate, upper point of four forks of described cross plateDo not offer a support fixing hole; Described two side plates are oppositely arranged, and described two side plates weld correspondinglyBe connected on the end of two forks of described cross plate; On each described side plate, all offering single-revolution axle installsHole, described two side plates are connected with described unsteady end cap respectively; One anti-rotation limit is all set on each described side platePosition boss; Described support adopts sheet metal component bending forming.
The above-mentioned sealing drum base type fuse with release of pressure function, wherein, described handle comprises plastic handleWith two eccentric chute connecting rods, each described eccentric chute connecting rod all adopts sheet metal component to make, and described in eachEccentric chute connecting rod includes installation end and stiff end; The stiff end one of described two eccentric chute connecting rods is a pair ofAnswer the left and right end that is fixed on described plastic handle; The installation end of each described eccentric chute connecting rod all offers oneEccentric chute, described eccentric chute from outside within comprise successively a straight trough guide section and a curved guide section, instituteThe length of stating straight trough guide section is 20mm; Two pulley spindles on described pedestal insert described two correspondinglyIn the eccentric chute of the installation end of individual eccentric chute connecting rod; On each described eccentric chute connecting rod, all offer one timeRotating shaft installing hole, the gyroaxis installing hole on described two eccentric chute connecting rods correspondingly with described supportTwo side plates on gyroaxis installing hole match, the gyroaxis installing hole on described eccentric chute connecting rod andGyroaxis installing hole on corresponding described side plate is connected by gyroaxis; On each described eccentric chute connecting rodAll offer an anti-rotation limited impression, the anti-rotation positive stop lug boss on described anti-rotation limited impression and described support matchesClose.
The above-mentioned sealing drum base type fuse with release of pressure function, wherein, described unsteady end cap comprises circleLid, a manhole is offered at the middle part of described circular lid, and the front end face of described circular lid is offered fourCompress Spring fixing hole, described four Compress Spring fixing holes are distributed on the surrounding of described manhole; DescribedThe rear end face of circular lid is provided with round ring boss, the external diameter of this round ring boss and described sealing drum baseThe internal diameter of openend suitable; Described round ring boss is plugged on the openend of described sealing drum base.
The above-mentioned sealing drum base type fuse with release of pressure function, wherein, described unsteady end cap and sealing drumBetween base, be provided with sealing ring, on the end face of the openend of described sealing drum base, offer a sealing ringGroove is installed, and described sealing ring is connected to described sealing ring and installs in groove, and described sealing ring and described floatingMoved end is covered the side contacting and is provided with two convex tendons, and the outside of the contiguous described sealing ring of described two convex tendonsEdge arranges.
The above-mentioned sealing drum base type fuse with release of pressure function, wherein, described support and described floating endBetween lid, be provided with four Compress Springs, described four Compress Springs are arranged on described floating end correspondinglyIn four Compress Spring fixing holes of lid.
The above-mentioned sealing drum base type fuse with release of pressure function, wherein, described nut inserts adopts elasticityMaterial is made, and described nut inserts comprises nut body; Open along its axial direction at the middle part of described nut bodyAn if axis hole; One side cut of the excircle of described nut body becomes a plane, and this plane is side plane;The upper surface of described nut body is offered two grooves downwards, described in described two grooves are positioned at correspondinglyThe both sides of axis hole, described two grooves are located along the same line, and described two grooves all with described side planeBe arranged in parallel; The bottom of each described groove is all offered a mounting hole along vertical with the direction of described side plane,The contiguous described side plane setting of described mounting hole, and wall thickness dimension between described mounting hole and described side planeFor 3mm; On described side plane, offer two through holes along the direction perpendicular with it, described two through holes one by oneOne side channel wall of corresponding and described two grooves is communicated with, and on the opposite side cell wall of each described groove, all offers oneInternal thread hole with the coaxial setting of described through hole; In each described through hole and corresponding internal thread hole, fix a spiral shellNail.
The above-mentioned sealing drum base type fuse with release of pressure function, wherein, is positioned at the front end of described fuse memberDescribed bolt be arranged in the axis hole of described nut inserts, and by described screw fastening.
The technical scheme of the sealing drum base type fuse with release of pressure function of the present invention, when in sealing drum baseWhen portion's pressure reaches certain value, the end cap that floats makes Compress Spring outwards float under the promotion of pressure, sealing drumBase internal pressure discharges, but sealing drum base internal pressure is while being reduced to certain value, returning of Compress SpringUnder elastic force pressure effect, the end cap that floats is replied press seal circle, makes the sealing that is isolated from the outside of sealing drum base inside,The present invention is simple for structure, easy to operate, and sealing is reliable.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram of the sealing drum base type fuse with release of pressure function of the present invention;
Fig. 2 is the structural representation of the sealing drum base of fuse of the present invention;
Fig. 3 is the structural representation of the pedestal of the sealing drum base of fuse of the present invention;
Fig. 4 is the structural representation of the fusing carrier of fuse of the present invention;
Fig. 5 is the structural representation of the fuse member assembly of fuse of the present invention;
Fig. 6 a is the structural representation of the support of the fusing carrier of fuse of the present invention;
Fig. 6 b is the side view of Fig. 6 a;
Fig. 6 c is the top view of Fig. 6 a;
Fig. 7 a is the structural representation of the handle of the fusing carrier of fuse of the present invention;
Fig. 7 b is the side view of Fig. 7 a;
Fig. 8 is the support of fusing carrier and the connection diagram of handle of fuse of the present invention;
Fig. 9 a is the front view of the unsteady end cap of the fusing carrier of fuse of the present invention;
Fig. 9 b is the side view of Fig. 9 a;
Fig. 9 c is the rearview of Fig. 9 a;
Figure 10 is the unsteady end cap of fusing carrier and the connection diagram of sealing drum base of fuse of the present invention;
Figure 11 a is the structural representation of the nut inserts of fuse of the present invention;
Figure 11 b is the side view of Figure 11 a;
Figure 11 c is the top view of Figure 11 a.
Detailed description of the invention
In order to understand technical scheme of the present invention better, below by specific embodiment knotClosing accompanying drawing is described in detail.
Refer to Fig. 1 to Figure 11, the sealing drum base type fuse with release of pressure function of the present invention, comprises closeSealed tube base 1, fusing carrier 2 and fuse member assembly 3, sealing drum base 1 is for being the cylindrical shape of unidirectional openingStructure, the opening direction of fusing carrier 2 and fuse member assembly 3 self-sealing cylinder bases 1 is successively set on sealing drumIn base 1 (seeing Fig. 1).
Refer to Fig. 2 and Fig. 3, sealing drum base 1 comprises pedestal 11, glass epoxy cylinder 12, two wiringSheet 13 and two are separately fixed at the conducting ring 14 on the internal face of glass epoxy cylinder 12, glass epoxy cylinder12 are the columnar structured of unidirectional opening, and pedestal 11 is socketed in openend and the glass of glass epoxy cylinder 12Epoxy cylinder 11 is connected, the corresponding position of openend of the excircle of pedestal 11 and glass epoxy cylinder 12Uniform four outstanding pulley spindles 15, are socketed a sealing ring 17, each pulley spindle 15 on each pulley spindle 15On be coated with damping grease 18; Two lug plates 13 be arranged on correspondingly glass epoxy cylinder 12 with twoCorrespondingly position of conducting ring 14, and two lug plates 13 are all positioned at the outside of glass epoxy cylinder 12, twoOne end of lug plate 13 along after the radial penetration glass epoxy cylinder 12 of glass epoxy cylinder 12 correspondingly withTwo conducting rings 14 are connected, and a support member 16 is installed on each lug plate 13.
Refer to Fig. 4, fusing carrier 2 comprise float end cap 21, support 22, handle 23, insulation arm 24,Connecting rod 25, signalling means 26 and junction block 27, the end cap 21 that floats is arranged on the openend of sealing drum base 1,And be provided with sealing ring between unsteady end cap 21 and sealing drum base 1; Support 22 is arranged on the end cap 21 that floatsFront end, support 22 is connected with unsteady end cap 21, and is provided with pressure between support 22 and unsteady end cap 21Contracting spring 28; Handle 23 is positioned at the front end of support 22, and handle 23 is connected with support 22, and handle 23Installation end be connected with two pulley spindles 15 on pedestal 11; Insulation arm 24 is arranged on the end cap 21 that floatsRear end, the front end of insulation arm 24 is connected with the rear end of unsteady end cap 21, and the rear end of insulation arm 24 is provided withNut inserts 4; Connecting rod 25 be arranged in parallel with insulation arm 24, and the two ends of connecting rod 25 correspondingly with absolutelyThe two ends of edge arm 24 can be connected movably forward and backward; Signalling means 26 and junction block 27 are arranged on respectively support 22Leading flank, and signalling means 26 is electrically connected with junction block 27 by three-core conductor 29.
Refer to Fig. 5, fuse member assembly 3 comprises fuse member 31, and the front and back ends of fuse member 31 is established respectivelyPut a fuse member cap, the outside of each fuse member cap all arranges a conductive plate 32, a spring touch finger 33,Bolt 34, a nut 35 and a holding screw 36, be equipped with canted coil spring 37, conductive plate in conductive plate 3232 are connected with fuse member cap by bolt 34, and nut 35 is threaded on bolt 34, and nut is for pressingTight and fixing conductive plate 32, holding screw 36 is axially fixed on conductive plate 32 along bolt 34; SpringFingertip 33 is welded on fuse member cap, and the spring touch finger 33 that is positioned at the front end of fuse member 31 is fixed on absolutelyThe rear end of edge arm; Be positioned on the fuse member cap of front end of fuse member 31 and be provided with striker 38; Insulation arm passes throughNut inserts on it is connected with the bolt 34 of the front end that is positioned at fuse member 31.
Refer to Fig. 6 a to Fig. 6 c, support 22 comprises cross plate 221 and two side plates 222, crossA through hole 223 is offered at the middle part of plate 221, offers respectively a support solid on four forks of cross plate 221Determine hole 224; Two side plates 222 are oppositely arranged, and two side plates 222 are welded on cross correspondinglyOn the end of two forks of plate 221; On each side plate 222, all offer single-revolution axle installing hole 225, twoIndividual side plate 222 be connected with unsteady end cap 21 respectively (seeing Fig. 4); On each side plate 222, an anti-rotation is all setPositive stop lug boss 226; Support 22 adopts sheet metal component bending forming.
Please refer to the drawing 7a, Fig. 7 b and Fig. 8, handle 23 comprises plastic handle 231 and two eccentric chute connecting rods232, each eccentric chute connecting rod 232 all adopts sheet metal component to make, and each eccentric chute connecting rod 232 is equalComprise installation end and stiff end; The stiff end of two eccentric chute connecting rods 232 is fixed on plastics correspondinglyThe left and right end of handle 231; The installation end of each eccentric chute connecting rod 232 is all offered an eccentric chute 233,Eccentric chute 233 comprises successively a straight trough guide section 2331 and a curved guide section 2332 within outer, directlyThe length L of groove guide section 2331 is 20mm; Two pulley spindles 15 on pedestal 11 insert correspondinglyIn the eccentric chute 233 of the installation end of two eccentric chute connecting rods 232, on pedestal 11, always have four cunningsWheel shaft 15, can increase the randomness that handle 23 is installed; On each eccentric chute connecting rod 232, all offer oneGyroaxis installing hole 234 on 234, two eccentric chute connecting rods 232 of gyroaxis installing hole correspondinglyMatch with the gyroaxis installing hole 225 on two side plates 222 of support 22 (see Fig. 6 c), eccentric slidingGyroaxis installing hole 225 on gyroaxis installing hole 234 on groove connecting rod 232 and corresponding side plate 222 is logicalCrossing gyroaxis 210 is connected; On each eccentric chute connecting rod 232, all offer an anti-rotation limited impression 235, anti-Turning limited impression 235 matches and (sees Fig. 6 c) with the anti-rotation positive stop lug boss 226 on support 22.
The centre-of-pressure position of handle 23 is slightly partial to the anti-rotation positive stop lug boss 226 of support 22, has and ensures to meltBroken piece inserts while closely electrically contacting place, and contact engaging and separating force increases and do not cause that handle rotates. Product is installing when locked position,If if the dead point position of the center of outstanding pulley spindle in plastic handle 231 centres of gyration on sealing drum basePut, easily cause handle ejection accident, the eccentric chute connecting rod 232 of product design is at dead-centre position and eccentric chuteHave the drop of 0.75mm, plastic handle 231, under the effect of spring force, effectively locks hand, preventsHandle ejection accident
Refer to Fig. 9 a to Fig. 9 c, the end cap 21 that floats comprises circular lid 211, in circular lid 211Portion offers a manhole 212, and the front end face of circular lid 211 is offered four Compress Spring fixing holes 213,Four Compress Spring fixing holes 213 are distributed on the surrounding of manhole 212; The rear end face of circular lid 211Be provided with round ring boss 214, the openend of the external diameter of this round ring boss 214 and sealing drum base 1Internal diameter is suitable; Round ring boss 214 is plugged on the openend of sealing drum base 1.
Refer to Figure 10, float and be provided with sealing ring 5, sealing drum between end cap 21 and sealing drum base 1On the end face of the openend of base 1, offer a sealing ring groove is installed, sealing ring 5 is connected to sealing ringIn installation groove, and the side that sealing ring 1 contacts with unsteady end cap 21 is provided with two convex tendons, and twoThe outward flange setting of the contiguous sealing ring 5 of individual convex tendon, sealing ring 5 has had Y type (lip) sealing ring like thisEffect, convex tendon place compression pressure is little, sealing property improve. Sealing ring 5 is placed in opening of sealing drum base 1Mouthful end sealing ring install in groove, the maximum compressibility of sealing ring 5 is 30%, effectively prevents sealing ring5 fatigue damage. Between support 22 and unsteady end cap 21, be provided with 28, four compressions of four Compress SpringsSpring 28 is arranged in four Compress Spring fixing holes 213 of the end cap 21 that floats correspondingly.
Refer to Figure 11 a to Figure 11 c, nut inserts 4 adopts elastomeric material to make, and nut inserts 4 comprisesNut body 41; An axis hole 42 is offered along its axial direction in the middle part of nut body 41; Nut body 41A side cut of excircle become a plane, this plane is side plane 43; The upper surface of nut body 41Offer the both sides that 44, two grooves 44 of two grooves are positioned at axis hole 42 correspondingly downwards, two grooves44 are located along the same line, and two grooves 44 all be arranged in parallel with side plane 43, and two grooves 44Do not overlap with the center of nut body 41; The bottom of each groove 44 is all along vertical and side plane 43Direction offer a mounting hole 45, mounting hole 45 adjacent side planes 43 arrange, and mounting hole 45 is flat with sideWall thickness dimension W between face 43 is 3mm, and side plane 43 has elastic compression and restore funcitons, when installationScrew in compression is locking, has improved the bonding strength of the insulation arm of fuse member and handle; On side plane 43 along withIts perpendicular direction is offered 46, two through holes 46 of two through holes side of corresponding and two grooves 44 one by oneCell wall is communicated with, on the opposite side cell wall of each groove 44, all offer one with the internal thread of the coaxial setting of through hole 46Hole 47; In each through hole 46 and corresponding internal thread hole 47, fix a screw 48. The front end of fuse member 31Bolt 34 be arranged in the axis hole of nut inserts 4, and by screw 48 fastening.
Fuse of the present invention in use, is equipped with sealing ring 5 between sealing drum base 1 and unsteady end cap 21,The pulley spindle 15 that when installation, the eccentric chute connecting rod 232 of handle 23 both sides is aimed at pedestal 11 both sides is inserted intoUnsteady end cap 21 also contacts with sealing ring 5, and rotating handles 23 makes on eccentric chute 233 and pedestal 11Pulley spindle 15 coordinates, and Compress Spring 28 promotes the end cap 21 press seal circles 5 that float, and reaches sealing drum baseThe sealing of 1 inside, in the time that sealing drum base 1 internal pressure reaches certain value, the end cap 21 that floats is at pressureUnder promotion, make Compress Spring 28 outwards float, sealing drum base 1 internal pressure discharges, but sealing drum base 1When internal pressure is reduced to certain value, under the resilient pressure effect of Compress Spring 28, unsteady end cap 21 timesMultiple press seal circle 5, makes the sealing that is isolated from the outside of sealing drum base 1 inside, and the present invention is simple for structure, graspsFacilitate, sealing is reliable. It is various that four pulley spindles 15 on pedestal 11 have met different user installation directionThe demand of property.
Fuse of the present invention, support 22 inner sides, are equipped with the end cap 21 that floats, at unsteady end cap 21 and support22 are equipped with Compress Spring 28, utilize Compress Spring 28 to provide pressure that sealing drum base 1 is sealed and release of pressureFloat. When normal operating condition, under pressure (about 74kg) effect of Compress Spring 28, end cap floats21 with the end face of sealing drum base 1 on sealing ring 5 compression seal, the sealing that normal serviceability temperature changes canBy being guaranteed. As sealing drum base 1 internal pressure is instantaneous while sharply increasing (>=3.2kg/cm2)，The unsteady end cap 21 that compression area is large outwards moves promotion Compress Spring 28 and compresses, and makes in sealing drum base 1Portion's pressure discharges rapidly, effectively avoids handle ejection accident, has reduced the accident extent of damage. Product sealing ringThe spring force of decrement by Compress Spring 28 realize, and avoids parts cumulative errors to cause sealing propertyImpact, sealing property is reliable.
When the pressure of fuse of the present invention in sealing drum base is excessive, can discharge a part of pressure, anti-Only the pressure in sealing drum base is crossed the ejection of ambassador's fusing carrier, easy to operate, and sealing is reliable.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, relevant technologies fieldTechnical staff, without departing from the spirit and scope of the present invention, can also make various conversion or changeType, therefore all technical schemes that are equal to also should belong to category of the present invention, should be limit by each claimFixed.
Claims (8)
1. the sealing drum base type fuse with release of pressure function, comprises sealing drum base, fusing carrier and moltenBroken piece assembly, described sealing drum base is be unidirectional opening columnar structured, described fusing carrier and fuse memberAssembly, in the opening direction of described sealing drum base is successively set on sealing drum base, is characterized in that,
Described sealing drum base comprises that pedestal, glass epoxy cylinder, two lug plates and two are separately fixed atConducting ring on the internal face of glass epoxy cylinder, described glass epoxy cylinder is the columnar structured of unidirectional opening,Described base sleeve is connected on the openend of described glass epoxy cylinder and is connected with described glass epoxy cylinder, described inUniform four the outstanding pulley spindles in the corresponding position of openend of the excircle of pedestal and described glass epoxy cylinder;Described two lug plates be arranged on correspondingly described glass epoxy cylinder with two corresponding status of conducting ringPut, and described two lug plates are all positioned at the outside of described glass epoxy cylinder, one end of described two lug platesAfter the radial penetration glass epoxy cylinder of glass epoxy cylinder, be connected with two conducting rings correspondingly, Mei GesuoState a support member is installed on lug plate;
Described fusing carrier comprises unsteady end cap, support, handle, insulation arm, connecting rod, signalling means and junction block,Described unsteady end cap is arranged on the openend of described sealing drum base, and described unsteady end cap and sealing drum baseBetween be provided with sealing ring; Described support is arranged on the front end of described unsteady end cap, described support and floating endLid is connected, and is provided with Compress Spring between described support and described unsteady end cap; Described in described handle is positioned atThe front end of support, described handle is connected with described support, and on the installation end of described handle and described pedestalTwo pulley spindles are connected; Described insulation arm is arranged on the rear end of described unsteady end cap, the front end of described insulation armBe connected with the rear end of described unsteady end cap, the rear end of described insulation arm is provided with nut inserts; Described connecting rod withDescribed insulation arm be arranged in parallel, and the two ends of described connecting rod correspondingly with the two ends of described insulation arm can beforeAfter be movably connected; Described signalling means and junction block are arranged on respectively the leading flank of described support, and described letterNumber device is electrically connected with described junction block by three-core conductor;
Described fuse member assembly comprises fuse member, and the front and back ends of described fuse member arranges respectively a fuse member cap,The outside of each described fuse member cap all arranges a conductive plate, a spring touch finger, a bolt, a nut andHolding screw, is equipped with canted coil spring in described conductive plate, and described conductive plate is by bolt and described fuse member capBe connected, described nut thread is connected on described bolt, and described nut compresses and fix described conductive plate, instituteState holding screw along on the described conductive plate of being axially fixed in of described bolt; Described in described spring touch finger is welded onOn fuse member cap, and the spring touch finger that is positioned at the front end of described fuse member is fixed on the rear end of described insulation arm;Be positioned on the fuse member cap of front end of described fuse member and be provided with striker; Described insulation arm is by the nut on itInserts is connected with the described bolt of the front end that is positioned at described fuse member.
2. the sealing drum base type fuse with release of pressure function according to claim 1, is characterized in that,Described support comprises cross plate and two side plates, and a through hole is offered at the middle part of described cross plate, described tenOn four forks of font plate, offer respectively a support fixing hole; Described two side plates are oppositely arranged, and described inTwo side plates are welded on the end of two forks of described cross plate correspondingly; Each described side plateOn all offer single-revolution axle installing hole, described two side plates are connected with described unsteady end cap respectively; Described in eachOne anti-rotation positive stop lug boss is all set on side plate; Described support adopts sheet metal component bending forming.
3. the sealing drum base type fuse with release of pressure function according to claim 2, is characterized in that,Described handle comprises plastic handle and two eccentric chute connecting rods, and each described eccentric chute connecting rod all adopts metal plateGold part is made, and each described eccentric chute connecting rod includes installation end and stiff end; Described two eccentric cunningsThe stiff end of groove connecting rod is fixed on the left and right end of described plastic handle correspondingly; Each described eccentric chuteThe installation end of connecting rod is all offered an eccentric chute, described eccentric chute from outside within comprise successively a straight trough guidingSection and a curved guide section, the length of described straight trough guide section is 20mm; Two pulley spindles on described pedestalInsert correspondingly in the eccentric chute of installation end of described two eccentric chute connecting rods; Each described biasOn chute connecting rod, all offer single-revolution axle installing hole, the gyroaxis installing hole on described two eccentric chute connecting rodsMatch with the gyroaxis installing hole on two side plates of described support correspondingly, described eccentric chute connectsGyroaxis installing hole on bar is connected by gyroaxis with the gyroaxis installing hole on corresponding described side plate; OftenOn individual described eccentric chute connecting rod, all offer an anti-rotation limited impression, described anti-rotation limited impression and described supportOn anti-rotation positive stop lug boss match.
4. the sealing drum base type fuse with release of pressure function according to claim 1, is characterized in that,Described unsteady end cap comprises circular lid, and a manhole is offered at the middle part of described circular lid, described circleThe front end face of lid is offered four Compress Spring fixing holes, described in described four Compress Spring fixing holes are distributed onThe surrounding of manhole; The rear end face of described circular lid is provided with round ring boss, this round ring bossThe internal diameter of the openend of external diameter and described sealing drum base is suitable; Described round ring boss is plugged on described closeThe openend of sealed tube base.
5. the sealing drum base type fuse with release of pressure function according to claim 4, is characterized in that,Between described unsteady end cap and sealing drum base, be provided with sealing ring, the end of the openend of described sealing drum baseOn face, offer a sealing ring groove is installed, described sealing ring is connected to described sealing ring and installs in groove,And the side that described sealing ring contacts with described unsteady end cap is provided with two convex tendons, and described two convex tendonsThe outward flange setting of contiguous described sealing ring.
6. the sealing drum base type fuse with release of pressure function according to claim 4, is characterized in that,Between described support and described unsteady end cap, be provided with four Compress Springs, described four Compress Springs one are a pair ofAnswer and be arranged in four Compress Spring fixing holes of described unsteady end cap.
7. the sealing drum base type fuse with release of pressure function according to claim 1, is characterized in that,Described nut inserts adopts elastomeric material to make, and described nut inserts comprises nut body; Described nut bodyMiddle part offer an axis hole along its axial direction; It is one flat that one side cut of the excircle of described nut body becomesFace, this plane is side plane; The upper surface of described nut body is offered two grooves downwards, described two recessedGroove is positioned at the both sides of described axis hole correspondingly, and described two grooves are located along the same line, and described twoIndividual groove all be arranged in parallel with described side plane; The bottom of each described groove is all along vertical and described side planeDirection offer a mounting hole, the contiguous described side plane setting of described mounting hole, and described mounting hole with described inWall thickness dimension between side plane is 3mm; On described side plane, offering two along the direction perpendicular with it leads toHole, described two through holes are corresponding to be one by one communicated with a side channel wall of described two grooves, each described grooveOn opposite side cell wall, all offer one with the internal thread hole of the coaxial setting of described through hole; Each described through hole and correspondingInternal thread hole in fix a screw.
8. the sealing drum base type fuse with release of pressure function according to claim 7, is characterized in that,The described bolt that is positioned at the front end of described fuse member is arranged on the axis hole of described nut inserts, and described in passing throughScrew fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007817.2A CN105609391B (en) | 2015-12-29 | 2015-12-29 | A kind of sealing drum base type fuse with release of pressure function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007817.2A CN105609391B (en) | 2015-12-29 | 2015-12-29 | A kind of sealing drum base type fuse with release of pressure function |
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| CN105609391A true CN105609391A (en) | 2016-05-25 |
| CN105609391B CN105609391B (en) | 2017-08-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154328A (en) * | 2017-07-14 | 2017-09-12 | 浙江开盛电气有限公司 | A kind of full-insulated full-sealed injecting type outdoor high-voltage fuse |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853753A (en) * | 2009-03-31 | 2010-10-06 | 上海电器陶瓷厂有限公司 | Oil-immersed fuse used for American-type box substation |
| CN103474306A (en) * | 2013-09-18 | 2013-12-25 | 上海电器陶瓷厂有限公司 | Oil-immersed high-voltage fuse |
| KR20140089943A (en) * | 2013-01-08 | 2014-07-16 | 주식회사 유라코퍼레이션 | High voltage fuse terminal |
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2015
- 2015-12-29 CN CN201511007817.2A patent/CN105609391B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101853753A (en) * | 2009-03-31 | 2010-10-06 | 上海电器陶瓷厂有限公司 | Oil-immersed fuse used for American-type box substation |
| KR20140089943A (en) * | 2013-01-08 | 2014-07-16 | 주식회사 유라코퍼레이션 | High voltage fuse terminal |
| CN103474306A (en) * | 2013-09-18 | 2013-12-25 | 上海电器陶瓷厂有限公司 | Oil-immersed high-voltage fuse |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154328A (en) * | 2017-07-14 | 2017-09-12 | 浙江开盛电气有限公司 | A kind of full-insulated full-sealed injecting type outdoor high-voltage fuse |
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| Publication number | Publication date |
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| CN105609391B (en) | 2017-08-08 |
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