JP2834356B2 - Suspension yoke fitting for six conductors and method of attaching a wire to the yoke fitting - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention is used when the number of wires of one conductor corresponding to a power transmission tower is 6 conductors.
The present invention relates to a 6-conductor hanging yoke fitting and a method of attaching a wire to the yoke fitting.

[0002]

2. Description of the Related Art FIG. 9 is a plan view of an angle type suspension tower T having a horizontal angle θ, and an arm A ₁ on the right side of the tower T has:
As shown in FIG. 8, an integral suspension yoke fitting (hereinafter, referred to as a yoke fitting) of six lines (sometimes referred to as a conductor) corresponding to one is provided.
20 ) are suspended.

[0003] The yoke fitting 20 is made of a single steel plate-like body 21 and has a substantially pentagonal planar shape, and a hole 21a is formed in the center thereof to reduce the weight. .

An upper piece 22 having left and right arm pieces 22a and 22b is integrally provided at a portion corresponding to the upper corner of the pentagon of the plate-like body 21.
a and 22b and a suspension clamp (hereinafter referred to as a clamp)
The Hare) C ₁ -C ₆ is attached, respectively, each clamp C ₁
Line connecting -C ₆ is configured such that the regular hexagon.

[0005] The yoke member 20 is the transmission line tower (hereinafter, referred to as towers) after it having an arc horn to the arm A ₁ of attached via an insulator device B, the clamp C ₁
Striatum l ₁ to l ₆ to -C ₆ are attached respectively.

[0006] First, a plurality of filaments (in the example of FIG. 8, a top line l ₁ , a middle line l) are attached to the clamps C _{1 to} C ₆ .
Striatum of ₂ of Article 2) is Nobesen to the tower T. That is, the filaments l ₁ and l ₂ correspond to the wires 30a and 30
b while being suspended on the tip of the arm A ₁ of the distal outer auxiliary attached to the temporary frame A ₁ 'which is provided to extend in wire 31a, it is suspended in 31b, by operating these wires striatum the l ₁ to clamp C _1, also mounted in the striatum l ₂ is moved to the clamp C ₂ (Utsurisen).

The order of attaching the filaments to each of the clamps C _{1 to} C ₆ is performed from the clamp C ₁ located outside (to the outside of) the tower T and at the top, and then the clamps C ₂ and C ₂ .
The operations are performed in the order of C ₃ , C ₄ , C ₅ , and C ₆ .

The wires are attached to the clamps C ₁ and C ₂ , and the wires 30 a and 30 b and the auxiliary wires 31 are attached so that the wires l ₁ and l ₂ bypass the lower part of the plate 21.
a, 31b. Because the line
_1, l ₂ is auxiliary wire 31a while loosening the wire 30a, a 30b, by suspension in 31b, is because if an attempt to move substantially in parallel form, the plate-like member 21 becomes an obstacle.

This detouring movement is the same even when the tower T is a vertical suspension tower other than the angular suspension tower as shown in the figure, and when the yoke bracket is divided (for example, see Japanese Utility Model Publication No. 47-47). The same applies to the case of Japanese Patent Application Laid-Open No. 7933). This split-type yoke fitting has a size of several hundred kilograms when it has 6 conductors per unit for ultra-high voltage power transmission, as in recent years, so it is easy to transport and manufacture. It is becoming heavily used.

[0010]

However, the above-mentioned conventional yoke fitting has to be moved so as to bypass the yoke fitting when the filament is attached to the clamp located outside the steel tower. However, there was a drawback that the operation of attaching the wire was complicated.

In particular, since the operation of attaching the wire is an operation at a high place, and it is extremely dangerous to move the heavy wire in a complicated manner, the appearance of a yoke metal fitting which can be easily transferred is awaited. At the same time, it has been desired to increase the efficiency of the work of attaching a wire to a split-type yoke fitting that has been frequently used in recent years.

[0012] The present invention has been made in order to meet the above requirements, the purpose can be attached easily yoke fitting the Nobesen been streak in tower 6
An object of the present invention is to provide a suspension yoke metal fitting for a conductor and a method of attaching a wire to the yoke metal fitting.

[0013]

According to the present invention, a six-conductor suspension according to the present invention is provided.
Vertical yoke gold instrument, to achieve the above object, in the yoke member to the upper piece and a lower piece formed by connecting a pair of connecting pieces for seize streaks through the suspension clamp, the pair of connecting pieces It is round the lower piece detachably stopper mechanism
While being fixedly mounted without moving ,
The hanging clamps are arranged so that the mounting position is a regular hexagon.
It is characterized by being placed . In addition, the six guides according to the present invention
The method of attaching the filament to the body suspension yoke fitting achieves the above purpose
For this purpose, after attaching the upper piece to the transmission line tower via an insulator , the upper piece is mounted on a wire drawing wheel attached to the upper piece.
Attach the striated line to the center and one end of the upper piece,
A pair of connecting pieces provided with a stopper mechanism and a lower piece are connected
In this state, the suspension is attached to the upper piece to form a 6-conductor hanging yoke fitting, and then the remaining four wires extended to the power transmission tower are attached to the yoke fitting.
Further, when mounting the upper piece in the transmission line tower, is characterized in that you combine the rolled wire gold vehicle for extending line 2 of Article streak in the upper piece.

[0014]

[Action] In the above structure, a pair of right and left connecting pieces are attached taken to fixedly so as not to rotate in the stopper mechanism at the bottom piece. Then, after being attached to the tower via the upper piece insulator device, Article 2 on Nobesen been extended lines gold car on the upper piece
And Utsurisen the striatum is attached to the central portion of the upper piece and one end portion. Then, the pair of connecting pieces and the lower piece are connected.
Suspended yoke fitting for 6 conductors attached to the upper piece in the folded state
Once formed and residual which is Nobesen the tower to its the yaw click fitting
4 streak of Ri is attached is Utsurisen.

[0015]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 shows a front view of a yoke fitting 1 used in the method of the present embodiment. That is, the yoke fitting 1 attached to the angle type suspension tower having six phases in one phase includes:
The upper part 2, the lower part 3, and a pair of connecting pieces 4, 5, each of which is mainly made of a steel plate, are divided into four parts and the like .

The upper piece 2 and the lower piece 3 have a curved substantially arc shape, and the pair of left and right connecting pieces 4 and 5 have a rod shape slightly curved in opposite directions. The connecting pieces 4 and 5 are overlapped on the left and right sides of the upper piece 2 and the lower piece 3 with a part of the upper and lower ends overlapped, and the overlapped portion is fixed by fixing members 6a to 6d composed of bolts and nuts. ing.

At a total of six places at the center lower side and both ends of the upper piece 2 and the lower piece 3, clamp mounting holes 7 are formed. A mounting hole 8 for the insulator is formed, and a wheel wheel mounting hole 9 is formed below the mounting hole 8.

A pair of stopper mounting holes 4a and 5a are formed in the lower piece 3 side of the connecting pieces 4 and 5, respectively. As shown in FIG. 2, the stopper mounting holes 4a and 5a are for mounting the stopper pieces 4b and 5b on the back surfaces of the connecting pieces 4 and 5, respectively. That is, when the stopper pieces 4b, 5b are fixed to the stopper mounting holes 4a, 5a with the bolts and nuts 4c, 5c, the fixing members 6 on the upper piece 2 side of the connecting pieces 4, 5 are formed.
Each of the connecting pieces 4 and 5 is fixedly attached to the lower piece 3 as a stopper mechanism without rotating even if the a and 6b are removed.
The connecting pieces 4 and 5 can be kept in an upright state, so that the assembling work of the yoke fitting 1 can be facilitated. sand
That is, a pair of connecting pieces 4 and 5 provided with a stopper mechanism and a lower portion
When lifted with the piece 3 connected,
It can be attached to the upper piece 2 in a state. This group
When the standing work is completed, remove this stopper mechanism.
Can be reused, but leave it as is
You can also.

FIGS. 3 and 4 show an example in which the connecting pieces 4 and 5 are fixedly attached to the lower piece 3 without using the stopper pieces 4b and 5b. That is, the connection pieces 4, 5 and the lower piece 3 shown here are fixed to the fixing members 6c, 6c 'and 6d, 6 each formed of two bolts and nuts.
d 'to form a stopper mechanism . Each of the connecting pieces 4 and 5 shown here is formed as a pair so as to sandwich the upper piece 2 and the lower piece 3 from both sides. Of course, each of the connecting pieces 4 and 5 may be configured as one as shown in FIGS. In addition, this assembly work
When the work is completed, the bolt and nut 6c 'are removed and
Can be used, but should be left as is
Can also be.

[0020] Figure 5, the clamp C ₁ -C ₆ in each clamp mounting holes 7, 7 ... of the yoke shell 1 is attached, respectively, the angle-type suspension towers whose yoke member 1 is shown in FIG. 8 A state in which the arm A ₂ on the right side of T is attached via an insulator device B is shown.

In this mounting state, each clamp C _1-
The position of the mounting hole 7 of each clamp and the size of the upper and lower pieces 2 and 3 and the pair of connecting pieces 4 and 5 are determined so that the line connecting C ₆ is a regular hexagon. The position of the mounting hole 8 for the insulator B is determined so that the upper and lower sides of the square are parallel to the ground.

Next, referring to FIGS. 6 and 7, the order of attaching the filaments to the yoke 1 will be described.

[0023] First, attached to the arm A ₂ to lift the jump gold car p ₁ which is provided with the insulator device B to the arm A _2.
Then, extended in advance in the upper piece extending wire gold vehicle 2 mounting holes 9 on the ground
Leave mounting line for gold car P _1, attached to the insulator device B lifts the upper piece 2 in jump gold car p _1.

[0024] After that, the striatum to the extension line for the gold car P ₁ (heaven extension)
₁₁ and a filament (open-air wire) l ₆ are extended, and the extended filaments l ₁ and l ₆ are attached to the clamps C ₁ and C ₆ , respectively. Rolled wire gold car P _1, after completion of the striatum attached to the clamp C _1, C _6, detached from the top piece 2.

[0025] Then, connected to the upper piece 2 by lifting with lower piece 3 (see FIG. 7) to jump gold car p ₁ which connects the pair of connection pieces 4, 5 on the ground. In this case, the stopper pieces 4b and 5b are attached to the pair of connecting pieces 4 and 5, respectively, so that the pair of connecting pieces 4 and 5 do not rotate. In addition,
When the pair of connecting pieces 4 and 5 are attached by the pair of fixing members 6c and 6c 'and 6d and 6d', respectively, the stopper pieces 4b and 5b are unnecessary.

[0026] Then, jump gold car p _2, p ₃ streak l ₂ which is Nobesen in arm A rolled wire gold wheel is provided in the ₂ P ₂ and P ₃ via, l ₃ and l _4, to Utsurisen the l ₅ to each clamp C _2, C ₃ and C _4, C _5. The transfer order is
Clamping the umbilical (Chugai line) l ₅ of the extension beam for gold car P ₂ C
To _5, then attaching the filament (middle extension) l ₂ and Utsurisen to the clamp C _2. The end of the extension line for the gold car P ₃ striatum (Chigaisen) l
Transfer ₄ to clamp C ₄ and wire (underground line) l ₃ to clamp C ₃ for mounting.

The striatum method of mounting the 6 conductor suspended yoke fitting 1 of this embodiment, first, attached to the device B insulator top piece 2 by lifting the upper piece 2 and the extension line for gold car P ₁ together , That
After attaching a line 16 located inside the yoke fitting 1, the lower piece 3 is lifted and connected to the upper piece 2 to form a conductor for 6 conductors.
Since the suspension yoke fitting 1 is formed, it is possible to perform a wire attaching operation to the 6-conductor suspension yoke fitting 1 without disassembling the yoke fitting 1 on the ground.

[0028] In the above embodiment, gold car P ₁ for extension line
Was lifted together with the upper piece 2, but this extension
Use gold car P ₁ also may be lifted by the arm A ₂ through the jump gold <br/> vehicles as well as other extended line for gold car P _2, P _3.
However, according to the present embodiment, there is an advantage that the number of lifting operations of the member can be reduced.

When the lift is lifted together with the lower piece 3 as in this embodiment, there is a feature that the work of attaching the wire to the upper piece 2 can be performed smoothly.

Although the yoke fitting 1 is used for an angle type suspension tower, it is needless to say that the yoke fitting 1 may be a yoke fitting for a vertical suspension tower.

[0031]

According to the hanging yoke fitting for six conductors according to the present invention, the pair of connecting pieces can be freely disengaged without rotating to the lower piece.
With a simple stopper mechanism ,
The hanging clamps are arranged so that the mounting position is a regular hexagon.
Since the location, improve the workability when assembling the yoke member
Can be done . The method for attaching a wire to the hanging yoke fitting for 6 conductors according to the present invention is as follows: the upper piece is attached to a transmission line tower via an insulator, and then the extension wire attached to the upper piece is used.
A pair of connecting pieces and a lower piece provided with a stopper mechanism by attaching two filaments on the wheel to the center and one end of the upper piece.
And attached to the upper piece to form a 6-conductor suspension yoke fitting, which was then extended to the transmission line tower.
Since to attach the remaining 4 striatum to the yoke member, it is streak mounting operation without disassembly of the yoke fitting on the ground, thus can be performed with good efficiency striatal mounting operation.

When the upper piece and the wheel are lifted together, the number of times of lifting the members can be reduced.

[0033]

[Brief description of the drawings]

FIG. 1 is a front view of a yoke fitting according to one embodiment of the present invention.

FIG. 2 is a side view as seen from the direction of the line II in FIG. 1;

FIG. 3 is a front view of a yoke fitting according to another embodiment of the present invention.

FIG. 4 is a side view as seen from a rolling direction of FIG. 3;

FIG. 5 is a front view showing a state where the yoke fitting is attached to a steel tower.

FIG. 6 is an explanatory view showing an order of attaching a filament to a yoke fitting.

FIG. 7 is a view for explaining the order in which filaments are attached to yoke fittings.

FIG. 8 is a front view of a conventional integrated yoke fitting.

FIG. 9 is a plan view of the angle type suspended tower.

[Explanation of symbols]

1 yoke member 2 top piece 3 lower piece 4,5 connection piece 6a~6d, 6c ', 6d' fixing member T tower (transmission line towers) B insulator device C ₁ -C ₆ clamp l _1, to l ₆ striatum ( conductor)

Claims (3)

(57) [Claims] 1. A an upper piece and a lower piece to seize streaks through the suspension clamp formed by connecting a pair of connecting pieces yoke member, said pair of connecting pieces, disengage the lower piece Flexible stopper
When fixedly mounted without rotating in mechanism
In both cases, the mounting position of the suspension clamp is a regular hexagon
A hanging yoke fitting for six conductors, which is arranged as follows . 2. A filament mounting method via the suspension clamp to the yoke member to the upper piece and a lower piece formed by connecting a pair of connecting pieces for seize striatum, the device insulator the upper piece After attaching to the transmission line tower via the wire , the two strips on the wire drawing wheel attached to the upper piece are attached to the center and one end of the upper piece, and the stopper machine
In the state where the pair of connecting pieces and
After formation of the 6 conductor suspension yoke member attached to the serial top piece, the is Nobesen in the transmission line tower were the remaining four striatum be attached to the yoke member, the 6 conductor suspension yoke fitting, characterized in Installation method. The method according to claim 3 upper piece when mounting in the transmission line tower, according to claim 2, wherein the keep combine rolled wire gold vehicle for extending line 2 of Article striatum to the upper piece 6-conductor suspension
How to attach the wire to the vertical yoke bracket.