CN101373889A - Spacer for wire - Google Patents
Spacer for wire Download PDFInfo
- Publication number
- CN101373889A CN101373889A CNA2007101933059A CN200710193305A CN101373889A CN 101373889 A CN101373889 A CN 101373889A CN A2007101933059 A CNA2007101933059 A CN A2007101933059A CN 200710193305 A CN200710193305 A CN 200710193305A CN 101373889 A CN101373889 A CN 101373889A
- Authority
- CN
- China
- Prior art keywords
- wire clamp
- bolt
- wire
- axle bolt
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention provides a wire separator which maintains mounting posture of a wire holding part as a normal mounting state without undesirable mountings, is capable of mounting the wire holding part onto wires without using special tools and is suitable for UHV power transmission wires, characterized in that the wire separator is composed into a frame (23) of a regular polygon and mounted with an anti-rotary stopper (22) used for maintaining a normal assembling posture of the non-bolt wire holding part (30) when connecting the non-bolt wire holding part (30) onto a wire connecting terminal (14) and assembling it onto a cavity (15); a blocking piece (25) mounted on head part of a shaft blot 4 of the non-bolt wire holding part (30) is rotatably assembled relative to shaft of the shaft blot along horizontal direction; it may be intersected with a slotted hole (24) into a right angle and reliably blocking without special tools when mounting the non-bolt wire holding part (30) towards wire (C).
Description
Technical field
The present invention relates to the spacer for wire of non-bolt spacer that many conductor wire use etc., more particularly, relate to by the conductor bar number that constitutes 1 phase be 6～10 electric wire constitute regular polygon, be suitable for ultra high voltage (UHV) power transmission line of direct current or interchange with in use, many conductors are with the structures of non-bolt spacers.
Background technology
As this non-bolt electric wire handle part in the past, Fig. 1～Figure 10 of patent documentation 1 and the described structure of Fig. 1～Fig. 3 of patent documentation 2 are for example arranged.
The real fair 07-0556572 communique of [patent documentation 1] Japan
[patent documentation 2] Japanese kokai publication hei 08-228422 communique
The electric wire maintaining part of patent documentation 1 is represented among subsidiary in this application Fig. 9～Figure 11, in these Fig. 9～Figure 11, label 1 ' be non-bolt electric wire handle part main body, foundary weight 2 ' install freely by pin 3 ' rotation, by this both clampings and control electric wire 4 '.In addition, non-bolt electric wire handle part main body 1 ' on, be provided with the through hole 5 of T bolt 21 described later ' perforation ', this T bolt 21 ' be positioned at electric wire 4 ' pin 3 ' opposition side, this through hole 5 ' with foundary weight 2 ' opposition side, with non-bolt electric wire handle part main body 1 ' integratedly be provided with above-mentioned through hole 5 ' the axle center be approximate centre U-shaped portion 11 '.And then, above-mentioned U-shaped portion 11 ' the bottom on be provided with the screw 12 that screw component described later for example holds out against screw 13 ' be screwed into '.In addition, electric wire 4 ' with pin 3 ' opposition side non-bolt electric wire handle part main body 1 ' front end on, be provided be used for this non-bolt electric wire handle part be installed in connecting portion 14 on spacer framework (not shown) etc. for example '.
Then, 21 ' be the T bolt of narrating in front, on its front end, be provided with the 21 ' c of T portion, and be formed with threaded portion 21 ' a endways.In addition, foundary weight 2 ' with respect to electric wire 4 ' with pin 3 ' opposition side end on, as shown in Figure 9, corresponding to through hole 5 ' and be formed with fork 15 ', its width L than T bolt 21 ' the width of the 21 ' c of T portion wide, and T bolt 21 ' perforation through hole 5 ' in situation under, form, the length direction of the 21 ' c of T portion and fork 15 ' the consistent situation of length direction under, the 21 ' c of T portion can pass through fork 15 ', and under the cross one another situation of above-mentioned two directions, can not pass through.
In addition, T bolt 21 ' screwed part 21 ' b on be provided with nut 7 ' and packing ring 8 ', this packing ring 8 ' and be provided with through hole 5 ' non-bolt electric wire handle part main body 1 ' between, be provided with elastomeric element, for example compress leaf spring 9 ', and constitute spring assembly 10 '.
And then, if will be screwed into be formed at non-bolt electric wire handle part main body 1 ' U-shaped portion 11 ' the bottom on screw 12 ' in screw component, for example hold out against screw 13 ' be screwed into, then its front end be connected to T bolt 21 ' distal end faces on, overcome compression leaf spring 9 ' tension force and make T bolt 21 ' to the 21 ' c of T portion side shifting.
Non-bolt electric wire handle part in the past is owing to constitute as described above, thus when controlling electric wire, with T bolt 21 ' the 21 ' c of T portion and fork 15 ' align, and will hold out against screw 13 ' be screwed into.Under this state, with electric wire 4 ' put into non-bolt electric wire handle part main body 1 ' and foundary weight 2 ' between after, with foundary weight 2 ' close, make its be opposite to non-bolt electric wire handle part main body 1 '.At this moment, holding out against under the state that screw 13 ' quilt is return, T bolt 21 ' the 21 ' c of T portion enter into foundary weight 2 ' fork 15 ' among, but since the 21 ' c of T portion not from foundary weight 2 ' the surface expose, so can not rotate T bolt 21 ' and with the 21 ' c of T portion hang over fork 15 ' on.So, hold out against screw 13 ' rotate and be pressed into by making, will compress leaf spring 9 ' compression, and make T bolt 21 ' to the 21 ' c of T portion side shifting, thus, make the 21 ' c of T portion from foundary weight 2 ' the surface outstanding.Therefore, under this state, T bolt 21 ' can rotate.
Then, rotation T bolt 21 ', make 21 ' c of T portion and fork 15 ' be crossed as right angle, then, to hold out against screw 13 ' return and unload, by compression leaf spring 9 ' to T bolt 21 ' to its threaded portion 21 ' a direction application of force, with the 21 ' c of T portion press against foundary weight 2 ' the surface on, control thus electric wire 4 '.Above-mentioned T bolt 21 ' rotation made the 21 ' c of T portion and fork 15 ' intersect, particularly during quadrature, two forked special tool(s)s (diagram is omitted) be entrenched among the 21 ' c of T portion, rotating 90 degree and block.
The electric wire grasping device of patent documentation 2 is as subsidiary in this application Figure 12～shown in Figure 14, and this electric wire grasping device 100 possesses wire clamp main body 1A, wire clamp lid 1B, as the T type bolt 102 of union body, constitute as the 1st spring 10 (103), spring carrier 104 and the puller bolt 105 of spring body.
Above-mentioned wire clamp main body 1A has half-terete the 1st recess C1 and accommodation space 1C.In addition, wire clamp lid 1B has half-terete the 2nd recess C2 and has the bolt holding section 1G in the slit (1S) of certain width, can open and close Floor hinge by hinge 110 and be installed on the wire clamp main body 1A.By such structure, if with wire clamp lid 1B to wire clamp main body 1A side closure, then electric wire W can be clamped in the cylindric recess that forms the 1st recess C1 and the 2nd recess C2 (with reference to Figure 14).
Therefore, if make the head 2A of T type bolt 102, bar-shaped 2B axially to wire clamp main body 1A side shifting, and the axle with bar-shaped 2B is the pivot anglec of rotation 90 degree, then the bottom surface of horizontal part be stuck in wire clamp lid 1B bolt holding section 1G above, wire clamp main body 1A and wire clamp lid 1B can be linked.
In addition, the 1st spring 103 is string coil spring (string volume バ ネ), in the accommodation space 1C of online clip main body 1A, is connected by bar-shaped 2B of T type bolt 2, the one end is supported by the following spring support portion 1D of the side of wire clamp main body 1A, and the other end is supported by spring carrier 4.By such structure, 103 pairs of T types of the 1st spring bolt 102 is the 1st direction application of force to the direction that approaches wire clamp main body 1A.
In addition, above-mentioned spring carrier 4 possesses spring support 106, nut 107, lid the 108 and the 2nd spring 109 and is configured.Spring support 106 is made of the flat-shaped part and the hollow cylinder parts of the other end that supports the 1st spring 103, is provided with the inserting hole 6A of bar-shaped the 2B that can rotatably insert logical T type bolt 102 at the central portion of flat-shaped part.Nut 107 has the negative thread portion with the outer screw section threaded engagement of bar-shaped 2B of T type bolt 102, is installed on bar-shaped the 2B, so that it is incorporated in the inside of the hollow cylindrical parts of spring support 106.Spring support 106 and the end flat-shaped part opposition side are opening, are equipped with on this opening and cover 108.And constitute, this lid 108 with respect to spring support 106 can T type bolt 102 axially on motion freely, between lid 108 and nut 107, be equipped with the 2nd spring 109 that anti-rock is used, the afterbody of bar-shaped 2B of T type bolt 102 is not directly contacted with lid 108.Therefore, if thrust cap 108, then compression stress is delivered to the 1st spring 103 via spring support 106, and compression stress can not act on the afterbody of bar-shaped 2B of T type bolt 102.
Then, utilize Figure 12～Figure 14, the action of said wires grasping device 100 is described.According to said structure, fastening if make puller bolt 105 rotations, then the front end of puller bolt 105 pushes the lid 108 of spring carrier 104, compression stress is applied on the 1st spring 103 via spring support 106 thus, and effect always has the compression stress of the anti-rock that the 2nd spring 109 brings on nut 107.Therefore, puller bolt 105, lid the 108 and the 1st spring 103 constitute dipper crowding gear.That is, on the afterbody of bar-shaped 2B of T type bolt 102, can not act on compressive etc., be no-load condition.Therefore, can be with less power, for example by empty-handedly making the head 2A rotation of T type bolt 102.
On the other hand, if puller bolt 105 is screwed into, make nut 102 rotations, nut 107 is moved to the identical direction of the direction that is screwed into puller bolt 105, the compression stress that then is applied on the 1st spring 103 increases, so the 1st spring 103 shrinks, the spring support 106 of spring carrier 104 moves to the direction of above-mentioned spring support portion 1D.Therefore, bar-shaped 2B of T type bolt 102 is outstanding from wire clamp main body 1A, separates above the bolt holding section 1G of the bottom surface of the head 2A of T type bolt 102 and wire clamp lid 1B, becomes state as shown in Figure 12.Like this, by outer screw section and the nut 107 on bar-shaped the 2B that is located at T type bolt 2, can in support spring supporter 106, bar-shaped 2B be connected with no-load condition, so the outer screw section and the nut 107 that are located on bar-shaped the 2B of T type bolt 102 constitute bindiny mechanisms.
Therefore, under the situation of the electric wire grasping device 100 of present embodiment, after becoming state shown in Figure 12, electric wire etc. is installed by following action.
(1) wire clamp lid 1B is opened, electric wire W (with reference to Figure 14) is placed among the 1st recess C1 of wire clamp main body 1A, wire clamp lid 1B is closed, with wire clamp main body 1A and wire clamp lid 1B clamping electric wire W with hand.
(2) pushing under with singlehanded wire clamp lid 1B closing state, under this state, make the head 2A anglec of rotation 90 degree of T type bolt 102 with this hand, the head 2A card of T type bolt 102 is ended in the bolt fastener 1G of wire clamp lid 1B, and temporary fixed so that wire clamp lid can not opened.
(3) instrument of puller bolt 105 usefulness spanners etc. is loosened and unload (with reference to Figure 14).
Sum up above explanation, a kind of electric wire grasping device, it possesses: hold assembly, elastic mechanism and elasticity cancel system, described hold assembly has: wire clamp main body 1A has half-terete the 1st recess C1; Wire clamp lid 1B has half-terete the 2nd recess C2, can open and close the Floor hinge formula and be installed on the above-mentioned wire clamp main body, by closing to above-mentioned wire clamp main body side, electric wire is clamped in the cylindric recess that is formed by above-mentioned the 1st recess and above-mentioned the 2nd recess; Head 2A can be installed in electric wire is clamped between the above-mentioned wire clamp main body and above-mentioned wire clamp lid in the above-mentioned cylinder recess, and has the width that can be fastened on the above-mentioned wire clamp lid and prevent the length of the disconnection of snap-fit relationship; And bar-shaped 2B, on-fixed ground connects above-mentioned wire clamp main body; Described elastic mechanism, the above-mentioned head of the above-mentioned hold assembly that generation will engage with above-mentioned wire clamp lid presses against the elastic force on the above-mentioned wire clamp lid; Described elastic force cancel system with the resilient relationship release of above-mentioned elastic mechanism and above-mentioned hold assembly, does not have above-mentioned elastic force so that act on above-mentioned hold assembly; And, the electric wire grasping device constitutes, electric wire is clamped in the above-mentioned cylindric recess of above-mentioned wire clamp main body and above-mentioned wire clamp lid, under the state that above-mentioned resilient relationship is discharged by above-mentioned elastic force cancel system, the above-mentioned head of above-mentioned hold assembly is fastened on the above-mentioned wire clamp lid, and make above-mentioned hold assembly head rotate the disengaging that prevents above-mentioned snap-fit relationship, then, forbid removing resilient relationship, and the above-mentioned elastic force by above-mentioned elastic mechanism presses against the above-mentioned head of above-mentioned hold assembly on the above-mentioned wire clamp lid by above-mentioned elastic force cancel system.
The device in the past of patent documentation 1 is owing to constituting as described above and acting on, so the deviation of electric wire hold is also very little, by apply the hold of regulation, the affirmation after can constructing by the dismounting that holds out against screw, do not need to reverse spanner yet, also have many other advantages in addition.On the other hand, under the situation about engaging in that T portion is intersected with fork, except using, the T bolt intersects in order to make, engaging, and the T bolt shaft is applied compression stress by holding out against screw, thus can not be by manually intersecting, engage, and need dismounting to hold out against two special forked instruments beyond the ratchet spanner of screw, two kinds of erecting tools of unsettled eminence needs at the foothold are arranged, the problem that should solve that is not easy to very much construct.
The device solves in the past of patent documentation 2 problem of patent documentation 1, in that being ended to the card of wire clamp lid 1B, the T bolt head do not need special instrument in the operation, but then, for the structure that makes the T bolt head rotate another the distolateral spring carrier that is located at the T bolt head freely is complicated mechanism, UHV power transmission line at a plurality of non-bolt electric wire of needs handle part is used in the spacer, and the weight with spacer integral body increases and become the problem of the reason of cost rising.
In addition, in above-mentioned which patent documentation, the structure of all only having represented non-bolt electric wire handle part, and be under 8～10 the situation at conductor number as the UHV power transmission line, if with handle part with regulation towards being installed on the electric wire uniformly, then the sharp keen position of the easy generation corona discharge of the projection of handle part etc. can be positioned at the higher position of current potential gradient.As a result, might produce and produce the corona discharge noise to the wave interference of broadcast receiver, television set etc. or when the rainy day etc.
In order to prevent such interference, need make maintaining part not move about and keeping being installed on the electric wire under the state of posture of regulation, but have such function is not described in the spacer of above-mentioned document, that is the common problem of the spacer that the UHV power transmission line that can solve such problem uses, is not provided.
Summary of the invention
In order to solve such problem, the spacer for wire of the present invention that is suitable for UHV power transmission line etc. uses following means.
(1) a kind of spacer for wire, possess binding parts 20 identical with the number of electrical lines of controlling and chamber 15 are mutually combined and make polygonal spacer framework 23, with identical wire clamp 1, wire clamp 2, axle bolt 4, spring 5, puller bolt 9 and the binding post 14 of number of electrical lines of controlling, it is characterized in that
Dispose axle bolt 4 in the mode that connects wire clamp 1 and wire clamp 2;
On wire clamp 1 side end of axle bolt 4, be equipped with hooking sheet 25, end axle bolt 4 and wire clamp 1 via these hooking sheet 25 cards;
On wire clamp 2, be provided with fixed part 6,7 application of forces of the end side of axle bolt 4 and applying the spring 5 of electric wire chucking power between wire clamp 1 and the wire clamp 2 and being used for pushing the end of axle bolt 4 and puller bolt 9 that the electric wire chucking power is removed;
Binding post 14 possesses the columned bolt head 16 that is installed in the flat hook portion 28 on the wire clamp 2 and is attached to chamber 15 inside rotationally;
And, in the configuration of binding post 14 and chamber 15, possess the mechanism of the mutual rotational angle of restriction.
(2) in the spacer for wire of (1), also can be,
In chamber 15, be provided with from the stopper portions 22 of the end face upper process of wire clamp 2 directions;
Be connected on the stopper portions 22 of chamber 15 rotational angle of restriction binding post 14 by the hook portion 28 that makes binding post 14.
(3) a kind of spacer for wire, possess binding parts 20 identical with the number of electrical lines of controlling and chamber 15 are mutually combined and make polygonal spacer framework 23, with identical wire clamp 1, wire clamp 2, axle bolt 4, spring 5, puller bolt 9 and the binding post 14 of number of electrical lines of controlling, it is characterized in that
Dispose axle bolt 4 in the mode that connects wire clamp 1 and wire clamp 2;
On wire clamp 1 side end of axle bolt 4, be equipped with hooking sheet 25, end axle bolt 4 and wire clamp 1 via these hooking sheet 25 cards;
On wire clamp 2, be provided with fixed part 6,7 application of forces of the end side of axle bolt 4 and applying the spring 5 of electric wire chucking power between wire clamp 1 and the wire clamp 2 and being used for pushing the end of axle bolt 4 and puller bolt 9 that the electric wire chucking power is removed;
Binding post 14 possesses the columned bolt head 16 that is installed in the flat hook portion 28 on the wire clamp 2 and is attached to chamber 15 inside rotationally;
And axle bolt 4 is set to hooking sheet 25, makes hooking sheet 25 direction that can meet at right angles to the axle with axle bolt 4 rotate.
(4) in the spacer for wire of (3), also can be,
Between axle bolt 4 and hooking sheet 25, clamp parts 33, limit mutual rotation.
In addition, spacer for wire of the present invention also can adopt following means.
The escapement for electric power line without bolt of the UHV of being suitable for power transmission line of the present invention etc. possesses non-bolt electric wire handle part 30, this non-bolt electric wire handle part 30 constitutes, wire clamp main body 1 and 2 is to be that the center opens and closes structure freely with connecting pin 3, electric wire is clamped between wire clamp 1 and 2, and wire clamp 2 is pressed against on the above-mentioned wire clamp 1 by axle bolt 4 and to the fastening spring 5 of axle bolt 4, by above-mentioned bolt 4 is removed wire clamp 2 to the puller bolt 9 of the hooking sheet 25 side application of forces to the pushing of wire clamp 1 to the threaded portion side application of force.
In escapement for electric power line without bolt, the chamber 15 that links equal number with many connecting rods 20, constitute the framework 23 of regular polygon, on above-mentioned chamber 15, via binding post 14 with radial installation non-bolt electric wire handle part 30, so that it becomes axial symmetry with respect to above-mentioned framework 23, when above-mentioned non-bolt electric wire handle part 30 being attached on the binding post 14 and being assembled on the chamber 15, will be used for keeping the anti-revolution block 22 of the regular assembling posture of above-mentioned non-bolt electric wire handle part 30 to be arranged on the regulation position of chamber 15.
In escapement for electric power line without bolt, above-mentioned anti-revolution block 22 is with the shape of the protuberance of V font roughly, is provided with opposed to each other at outerplanar two positions of chamber 15; Being installed in hooking sheet 25 on the head of wire clamp 2 sides of axle bolt 4 of above-mentioned non-bolt electric wire handle part 30 rotates in the horizontal direction freely with respect to axle bolt 4 and constitutes, and in the head side of above-mentioned axle bolt 4, hooking sheet 25 and hooking sheet fixed muffle 31 be threaded on the front end of axle bolt 4, with the periphery compression of this hooking sheet fixed muffle 31 and be fixed on the axle bolt 4.
In addition, many conductors escapement for electric power line without bolt is characterised in that, at axle bolt 4 on the installation position of hooking sheet 25, constitute, around axle bolt 4, carve and be provided with endless groove 32, O type circle 33 is installed in this position is limited moving about of hooking sheet 25, can make on its position that is still in regulation.
The invention effect:
In non-bolt spacer of the present invention, because the axle bolt head is very simple structure, and make along continuous straight runs and rotate formation freely, even, also can not use special instrument and by manually its intersection being engaged in the elongated slot of wire clamp so axle bolt is applied compression stress by holding out against screw.Therefore, can make the spacer installation exercise of eminence become operation easily.
In addition, owing to constitute O type circle be installed in the rotating part of axle bolt and hooking sheet, institute's hooking sheet can not move about at a venture, and can be still on the position of expectation, so hooking sheet is intersected squarely with slotted hole 24 and engage, the non-bolt spacer that is difficult for taking place the bad grade of construction can be provided.
In addition, because the anti-revolution block 22 of the regular assembling posture that is used for keeping non-bolt electric wire handle part 30 is provided with opposed to each other in two positions on the plane in the outside of chamber 15, so it is messy that the direction of non-bolt electric wire handle part can not become, can install with normal mounting position, so no matter whether the constructor is skilled, can both aesthetic property be installed by electric wire well.
In addition, because the maintenance after can constructing, particularly can whether be crossed as the right angle as shown in Figure 7 and ended, so it is bad to eliminate construction reliably by card from the T portion of the maintenance of direction and the elongated slot 24 of confirming wire clamp 2 and bolt 4.
Description of drawings
Fig. 1 is the front views of 8 conductors of the present invention with the non-bolt spacer.
Fig. 2 is the amplification view of non-bolt electric wire handle part.
Fig. 3 is the front views of 6 conductors of the present invention with the non-bolt spacer.
Fig. 4 is the stereogram of the shape of anti-revolution (rotation) block that is provided with opposed to each other in two positions of the outer surface of chamber.
Fig. 5 is that the part of expression non-bolt electric wire handle part of the present invention is cut front view.
Fig. 6 is the amplification view of the A portion of Fig. 5.
Fig. 7 is the right side view of Fig. 5.
Fig. 8 is the figure of the shape of expression lifting bolt, and Fig. 8 (a) is a vertical view, and Fig. 8 (b) is a right side view, and Fig. 8 (c) is a upward view.
Fig. 9 is the front view of the non-bolt electric wire handle part of patent documentation 1.
Figure 10 is the right side view of Fig. 9.
Figure 11 is the stereogram of T bolt.
Figure 12 is that the part of the electric wire grasping device of patent documentation 2 is cut front view open.
Figure 13 is that the part of the details of expression washer portion shown in Figure 12 is cut front view open.
Figure 14 is that expression utilizes electric wire grasping device shown in Figure 12 to control the front view of the state of electric wire.
Embodiment
Below, referring to figs. 1 through Fig. 8 embodiments of the present invention are described.
Fig. 1 is applied to 8 conductors under the situation in the UHV8 conductor power transmission line with the front view of non-bolt spacer with spacer of the present invention.
Fig. 2 is the amplification view of non-bolt electric wire handle part 301.
Fig. 3 is the front views of 6 conductors used of ultra high-tension transmission line or UHV power transmission line with the non-bolt spacer.
At first, for the structure of spacer of the present invention, be that example describes with the non-bolt spacer with 8 conductors.As shown in Figure 1,, connecting rod 20 is welded on the chamber 15 cylindraceous and forms 8 conductors with framework 23 with in the non-bolt spacer at 8 conductors.8 chambers 15 to be leaving about 45 ° angle setting from the center of framework 23, devices spaced apart and disposing, left-right symmetric and handle part 30 is installed radially on 8 chambers 15
1～30
8
In addition, control the handle part 30 of conductor C
1～30
8For fear of the decline of corona discharge characteristic, with the position of the connecting pin 3 of handle part from axis to the left and right direction stagger.Here, wire clamp 1 and 2 is to be that the center opens and closes structure freely with connecting pin 3, the radius of curvature at this position is about R10～R12mm in designing usually, if make this position become radius of curvature with radius of curvature (is about the R30～45mm) same degree at the back side of wire clamp 2 in the common design corresponding to the said wires diameter, wall thickness thickening then, handle part weight increases, and is more with the situation of less radius of curvature design in order to realize lightweight.
But, in spacer that the UHV power transmission line is used etc., because the current potential gradient is than general power transmission line height, if so make the less position of this radius of curvature consistent with axis direction as the projection body, following situation then appears, particularly raindrop etc. are formed on this position easily when the rainy day, form sharper keen projection body and corona discharge takes place easily, become the public hazards noise source of corona discharge noise etc.
So, in the present invention, adopt following method for designing, the position that makes connecting pin from current potential gradient the highest axially only displacement θ °, allow to get larger axis and be positioned at the there to the position, the back side of the wire clamp 2 of the radius of curvature at position, realize that electric field relaxes.As the concrete value of θ, can be made as about 25 °～45 °.
Fig. 2 is the conductor handle part 30 of Fig. 1
1Amplification view, by the function of this sectional views non-bolt wire clamp of the present invention.
The wire clamp main body 1 and 2 of non-bolt electric wire handle part 30 is to be that the center opens and closes structure freely with connecting pin 3, constitute, electric wire is clamped between wire clamp 1 and 2, and by axle bolt 4 and to the fastening spring 5 of axle bolt 4 to the threaded portion side application of force, wire clamp 2 is pressed against on the above-mentioned wire clamp 1, by to the puller bolt 9 of above-mentioned bolt 4, wire clamp 2 is removed to the pushing of wire clamp 1 to the hooking sheet 25 side application of forces.
The chamber 15 that links equal number with many connecting rods 20, constitute the framework 23 of regular polygon, on above-mentioned chamber 15, via binding post 14 with radial installation non-bolt electric wire handle part 30, so that it becomes axial symmetry with respect to above-mentioned framework 23, when above-mentioned non-bolt electric wire handle part 30 being attached on the binding post 14 and being assembled on the chamber 15, will be used for keeping the anti-revolution block 22 of the regular assembling posture of above-mentioned non-bolt electric wire handle part 30 to be arranged on the regulation position of chamber 15.
Above-mentioned anti-revolution block 22 is with enlarge toward the outer side fan-shaped or the shape of V font protuberance roughly as shown in Figure 4, and is provided with opposed to each other in outerplanar two positions of chamber 15.
In addition, be installed in the details of structure of the hooking sheet 25 on the head of wire clamp 2 sides of axle bolt 4 of above-mentioned non-bolt electric wire handle part 30 such as Fig. 5～shown in Figure 7, rotate in the horizontal direction freely with respect to axle bolt 4 and to constitute, and the head side of above-mentioned axle bolt 4 to be hooking sheets 25 be threaded on the front end of axle bolt 4 with hooking sheet fixed muffle 31, the periphery compression of this hooking sheet fixed muffle 31 is fixed on the structure on the axle bolt 4.
A position enlarged drawing as Fig. 6 presentation graphs 5,, on the installation position of axle bolt 4, constitute at hooking sheet 25, around axle bolt 4, carve and be provided with endless groove 32, O type circle 33 is installed in this position is limited moving about of hooking sheet 25, can make on its position that is still in regulation.
In addition, more than the situation of using O type circle is illustrated, but being not limited to this, also can be banded band, and then, in Fig. 6, replace to use O type circle, though diagram not also can be installed in disk spring etc. between hooking sheet 25 and the hooking sheet fixed muffle 31, increase the friction between hooking sheet 25 and the hooking sheet fixed muffle 31, hooking sheet can not moved about.
Then, to being used for obtaining the required effective length L electric wire hold, the fastener shaft bolt of axle bolt 4
TDefinite method describe.
As the state of controlling electric wire C as shown in Figure 7, under the state that hooking sheet 25 and elongated slot 24 are intersected, puller bolt 9 is being screwed into hole 29 when extracting from puller bolt, the hold (be meant when effect has external force, the curable grip of the regulation of slippage etc. can not take place between non-bolt wire clamp and electric wire) that must have regulation.
For this reason, need to determine fastening effective length L T of axle bolt shown in Figure 6.
In order to determine fastening effective length L of axle bolt
T, after O type circle is installed in the electric wire side of axle bolt 4, hooking sheet 25 is installed, the hooking sheet fixed muffle 31 that is threaded is fixed on the axle bolt 4 from peripheral direction compression hooking sheet fixed muffle 31, so that hooking sheet 25 can move in the horizontal direction.
Then, under the state of controlling electric wire C as shown in Figure 7, as shown in Figure 5, the fastening spring 5 of another distolateral installation, plain washer 6, hex nut 7 at axle bolt, above-mentioned hex nut 7 is fastening up to the hold that obtains stipulating, a plurality of non-bolt wire clamps are implemented this operation, consider the deviation of the hold obtain stipulating and obtain fastening effective length L in advance
T
The above-mentioned L of various electric wire external diameters
TBe different, but for them as long as obtain in advance by same method, in the assembling procedure of non-bolt wire clamp, after hex nut 7 being screwed into the position of regulation, also compression is fixing as long as nut fixed muffle 8 is fastened to above-mentioned hex nut 7 places, just can access the non-bolt wire clamp with stable hold.
Fig. 8 is the figure that expression is applied in the binding post 14 in the non-bolt spacer of the present invention, and Fig. 8 (a) is a vertical view, and Fig. 8 (b) is an end view, and Fig. 8 (c) is a upward view.As seen from the figure, wire clamp 1 is installed in position 28 on the hook portion 28
1Be tabular, bolt side 16
1It is the big slightly shape of width.Its reason is on the contact anti-revolution block 22 shown in Figure 4 in front reliably and wire clamp 1 can not crossed rotate greatly, in addition, also have the purpose that can not make a mistake the direction of wire clamp and install when construction concurrently.18
1Be the threaded portion that splined nut is installed usefulness, 19
1It is the cotter pin hole that cotter pin is installed usefulness.
In addition, in Fig. 1 and Fig. 3, under the situation of actual installation to the power transmission line, puller bolt 9 is unloaded.
Non-bolt spacer as described above, that UHV power transmission line according to the present invention is used, tool The remarkable result that the following stated is arranged.
1) is assembled in that non-bolt handle part on the framework arranged opposed to each other in the chamber table face Anti-rotation stop limits excessive moving about, the transportation or the construction in regular assembled state not can by Destroy, can carry out reliably suitable installation.
2) owing to make the hooking sheet of axle bolt rotate in the horizontal direction freely institute with respect to axle With in the elongated slot that snaps into wire clamp 2 time, do not need special tool(s) just can advance very simple and reliablely Row locks, so application property significantly improves.
Claims (4)
1. spacer for wire, possess binding parts (20) identical with the number of electrical lines of controlling and chamber (15) are mutually combined and make polygonal spacer framework (23), with identical wire clamp (1), wire clamp (2), axle bolt (4), spring (5), puller bolt (9) and the binding post (14) of number of electrical lines of controlling, it is characterized in that
Wire clamp (1) and wire clamp (2) are to be that the center opens and closes structure freely with connecting pin (3), and electric wire is clamped between them;
Dispose axle bolt (4) in the mode that connects wire clamp (1) and wire clamp (2);
On wire clamp (1) side end of axle bolt (4), be equipped with hooking sheet (25), end axle bolt (4) and wire clamp (1) via this hooking sheet (25) card;
On wire clamp (2), be provided with fixed part (6, the 7) application of force of the end side of axle bolt (4) and applying the spring (5) of electric wire chucking power between wire clamp (1) and the wire clamp (2) and being used for pushing the end of axle bolt (4) and puller bolt (9) that the electric wire chucking power is removed;
Wire clamp (2) links via the chamber (15) of binding post (14) with drum;
Binding post (14) possesses the flat hook portion (28) that is installed on the wire clamp (2) and is attached to the inner columned bolt head (16) of chamber (15) rotationally;
And, in the configuration of binding post (14) and chamber (15), possess the mechanism of the mutual rotational angle of restriction.
2. spacer for wire as claimed in claim 1 is characterized in that,
In chamber (15), be provided with stopper portions (22) at the end face upper process of wire clamp (2) direction;
Be connected on the stopper portions (22) of chamber (15) rotational angle of restriction binding post (14) by the hook portion (28) that makes binding post (14).
3. spacer for wire, possess binding parts (20) identical with the number of electrical lines of controlling and chamber (15) are mutually combined and make polygonal spacer framework (23), with identical wire clamp (1), wire clamp (2), axle bolt (4), spring (5), puller bolt (9) and the binding post (14) of number of electrical lines of controlling, it is characterized in that
Wire clamp (1) and wire clamp (2) are to be that the center opens and closes structure freely with connecting pin (3), and electric wire is clamped between them;
Dispose axle bolt (4) in the mode that connects wire clamp (1) and wire clamp (2);
On wire clamp (1) side end of axle bolt (4), be equipped with hooking sheet (25), end axle bolt (4) and wire clamp (1) via this hooking sheet (25) card;
On wire clamp (2), be provided with fixed part (6, the 7) application of force of the end side of axle bolt (4) and applying the spring (5) of electric wire chucking power between wire clamp (1) and the wire clamp (2) and being used for pushing the end of axle bolt (4) and puller bolt (9) that the electric wire chucking power is removed;
Wire clamp (2) links via the chamber (15) of binding post (14) with drum;
Binding post (14) possesses the flat hook portion (28) that is installed on the wire clamp (2) and is attached to the inner columned bolt head (16) of chamber (15) rotationally;
And axle bolt (4) and hooking sheet (25) are set to, and make hooking sheet (25) direction that can meet at right angles to the axle with axle bolt (4) rotate.
4. spacer for wire as claimed in claim 3 is characterized in that,
Between axle bolt (4) and hooking sheet (25), clamp parts (33), limit mutual rotation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007217442A JP2009055659A (en) | 2007-08-23 | 2007-08-23 | Spacer for electric wire |
| JP217442/2007 | 2007-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101373889A true CN101373889A (en) | 2009-02-25 |
Family
ID=40447886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101933059A Pending CN101373889A (en) | 2007-08-23 | 2007-12-03 | Spacer for wire |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2009055659A (en) |
| CN (1) | CN101373889A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786295A (en) * | 2015-11-24 | 2017-05-31 | 国家电网公司 | A kind of high voltage cable isolates eyelid retractor |
| CN110265952A (en) * | 2019-07-12 | 2019-09-20 | 云南电网有限责任公司丽江供电局 | A kind of conductor spacing bracket and its application method |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5211333B2 (en) * | 2009-01-29 | 2013-06-12 | 古河電工パワーシステムズ株式会社 | Spacer wear amount prediction method, system thereof, and test apparatus |
| JP5585765B2 (en) * | 2010-04-06 | 2014-09-10 | 古河電工パワーシステムズ株式会社 | Multiconductor transmission line spacer |
| JP5585766B2 (en) * | 2010-04-06 | 2014-09-10 | 古河電工パワーシステムズ株式会社 | Multiconductor transmission line spacer |
| JP5641568B2 (en) * | 2010-12-27 | 2014-12-17 | 古河電工パワーシステムズ株式会社 | Multi-conductor spacer frame |
| JP2013110894A (en) * | 2011-11-22 | 2013-06-06 | Furukawa Electric Power Systems Co Ltd | Method of supplying spacer for multiple conductor |
| CN115117833B (en) * | 2022-08-09 | 2023-08-08 | 南方电网科学研究院有限责任公司 | Damper convenient to dismouting |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS527097U (en) * | 1975-07-03 | 1977-01-19 | ||
| JPS52111399U (en) * | 1976-02-21 | 1977-08-24 | ||
| JP2602526Y2 (en) * | 1993-11-12 | 2000-01-17 | 電源開発株式会社 | Loose prevention clamp |
| JPH1032916A (en) * | 1996-07-16 | 1998-02-03 | Asahi Metal Ind Ltd | Electric wire clamp |
| JP4310634B2 (en) * | 2003-12-26 | 2009-08-12 | 住電朝日精工株式会社 | Transmission line spacer |
-
2007
- 2007-08-23 JP JP2007217442A patent/JP2009055659A/en active Pending
- 2007-12-03 CN CNA2007101933059A patent/CN101373889A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786295A (en) * | 2015-11-24 | 2017-05-31 | 国家电网公司 | A kind of high voltage cable isolates eyelid retractor |
| CN110265952A (en) * | 2019-07-12 | 2019-09-20 | 云南电网有限责任公司丽江供电局 | A kind of conductor spacing bracket and its application method |
| CN110265952B (en) * | 2019-07-12 | 2024-02-02 | 云南电网有限责任公司丽江供电局 | Wire spacing bracket and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009055659A (en) | 2009-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101373889A (en) | Spacer for wire | |
| US20190064453A1 (en) | Cable sealing device, cable termination and attaching device | |
| US8853537B2 (en) | Cable sealing and retaining device | |
| JP3954306B2 (en) | Antitheft device for eyeglass frames | |
| EP0210272A1 (en) | Coupling mechanism for connectors | |
| JP4822853B2 (en) | Rebar locker | |
| CN101345402A (en) | Escapement for electric power line without bolt | |
| US5023401A (en) | Twist-on spring connector with breakaway wings | |
| WO1992013377A1 (en) | Device for connecting non-metallic sheathed cable to an electric box | |
| CN106795902B (en) | Hole filling sleeve and gasket design for bolt placement | |
| US20070107560A1 (en) | Ratchet wrench | |
| KR20090040005A (en) | Planet gear set equipped with pinion shaft and carrier | |
| CA2116646A1 (en) | Nut lock | |
| EP3638911A1 (en) | Positive locking fastener | |
| JP2004510925A (en) | Holders for headed bolts | |
| CN1641817A (en) | Lockable fastener for circuit breaker | |
| US20040079203A1 (en) | Tool for fastening or loosening threaded couplings for cables | |
| WO1992005918A1 (en) | Fastening system | |
| EP1174576B1 (en) | Torque control hinge | |
| WO2018115799A1 (en) | Spacing device with angular adjustment | |
| CN215617853U (en) | Disassembling component | |
| US4891477A (en) | Key switch | |
| CN214723862U (en) | Shaft sleeve extractor | |
| KR200449697Y1 (en) | Support for stand | |
| CN211371712U (en) | Wearable equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20090225 |