JPH0315210A - Uplift roller mounting device and plate for the roller - Google Patents

Abstract

PURPOSE:To facilitate attachment of a jumping uplift roller near the ground to an iron tower by externally rotating the movable end of a plate for the roller rotatably provided through a platelike seat near the ground of the tower, and utilizing an uplift roller coupling hole provided at the movable end of the plate. CONSTITUTION:A plate 15 for an uplift roller is so clamped by a clamping screw 19 between platelike seats 11 and 12 in a state that its movable end is approached to a post material 10 as not to disturb the end at the time of non-use. When a jumping uplift roller 9 is attached near the ground, the screw 19 is removed, the movable end of the plate 15 is externally drawn, a U-shaped clevis 23 is coupled to the roller coupling hole 15 of the plate 15 through a bolt 22, and the roller 9 is coupled to the clevis 23 through a hook 24. Thus, the roller 9 can be effectively and rapidly attached to an iron tower near the ground by an extremely simple operation.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a fishing wheel mounting device and a fishing wheel plate used in overhead line work.

(Prior Art) As shown in FIG. 6, conventionally, in order to construct a power transmission line 2 between steel towers 1, an insulator device 3 is connected to an arm 1a of the steel tower 1,
On the other hand, a come-along 4 is attached to the power transmission line 2, a semi-fishing wheel 5 is provided between the come-along 4 and the insulator device 3, and a tension wire 6 (indicated by a dotted line) stretched across the semi-fishing wheel 5 is connected to the arm. The line is tightened by winding it up with a winch (not shown) as shown by arrow A via the jumping fishing wheels 7 and 8 installed at 1a and the jumping fishing wheel 9 installed at the ground level of the steel tower 1. There is.

In Fig. 6, lO is a retaining clamp, 11 is a split wire,
12 is an aluminum fishing wheel for electric wires.

(Problems to be Solved by the Invention) Recently, steel towers for power transmission are being replaced from conventional steel towers made of angle wood to steel towers made of steel pipes.

However, in the case of steel towers, the steel pipe at the ground level has a large diameter, so when attaching a ground jumping trolley to the tower with wire, etc., there is no suitable engagement part, making the installation difficult. .

In addition, even with steel towers made of angle materials, larger ones have the problem that it is difficult to find an appropriate mounting location because the distance between each member, such as the column and diagonal members, has increased.

(Means for Solving the Problems) In order to solve the above-mentioned problems, in the present invention, two plate-shaped seats are disposed vertically at appropriate intervals on the side surfaces of the pillars of the steel tower. A boss part for bolt insertion is provided on one side of the shaped body, a fishing wheel connecting hole is provided on the other side, and a threaded hole is provided on the upper edge to form a fishing wheel plate. Insert the upper and lower plate-shaped seats between the above-mentioned upper and lower plate-shaped seats, pass through these plate-shaped seats and the boss portion of the fishing wheel plate with a bolt, and insert the upper plate-shaped plate into the screw hole of the fishing wheel plate in the retracted position. The fishing wheel mounting device is configured so that the fishing wheel plate can be fixed by screwing together the screws passing through the catch.

Further, a boss portion for inserting a bolt is provided on one side of the plate-shaped body, a fishing wheel connecting hole is provided on the other side, and a threaded hole is further provided in the upper edge portion to form a fishing wheel plate.

(Function) Since the device of the present invention is constructed as described above, the free end of the fishing wheel plate, which is rotatably provided at the ground level of the steel tower via the plate-like seat, is rotated outward. By using the fishing wheel connection hole provided at the free end of this plate, the ground jumping fishing wheel can be easily attached to the steel tower.

Also, when not in use, rotate the fishing wheel plate towards the pillar side.
The fishing wheel plate can be stably stored by screwing the screw passing through the upper catch into the screw hole of the fishing wheel plate.

(Example) Hereinafter, an example of the present invention will be described with reference to FIGS. 1 to 5, in which a steel pipe is used as the column material of a steel tower. In the figure, numeral 10 is a column made of steel pipe.

In this embodiment, two plate-shaped seats 11 and 12 are arranged vertically at an appropriate interval on the side surface of the column 10 at the ground level of the steel tower, and are fixed to the column 10 by welding or the like.

That is, the plate-shaped catch 11 of this embodiment is an upper catch;
A piece having a substantially trapezoidal planar shape is provided protruding from the side surface of the column lO, and two ribs l3 are fixed to the corner between the upper surface of the seat 1l and the column 10, and the space between these two ribs 13 is A bolt insertion hole 11a (see FIG. 2) is provided in the seat 1l, and setscrew insertion holes 1lb are provided on the outside of each rib 13.

Further, the plate-shaped seat 12 is a lower seat, and in this embodiment, an annular plate-like body is fixed to the outer periphery of the column lO in a brim shape, and the lower surface of this seat 12 and the column Two ribs 14 are fixed to the corners of the lO so as to correspond to the ribs 13, and the bolt insertion hole 11 is inserted into the seat 12 between these two ribs 14.
A bolt insertion hole 12a (see FIG. 2) corresponding to the hole a is provided.

Further, as shown in detail in FIGS. 4 and 5, a boss portion 15 having a bolt insertion hole 15a on one side of a substantially rectangular plate-like body
b, and two upper and lower fishing wheel connecting holes 15c are provided on the other side.
．． The fishing wheel plate 15 is formed by providing a threaded hole 15d on its upper edge and a threaded hole 15e at a position where it can overlap with the set screw insertion hole 1lb.

As shown in FIGS. 1 to 3, this fishing wheel plate 15 has its boss portion 15b inserted between the plate-shaped seats 11, 12, and bolt insertion holes 11a, 15b. 12a
are overlapped, a bolt 16 is inserted from below, and a lock nut l8 is screwed into the protruding part of the bolt through a washer l7, and the fishing wheel play opening 5 is inserted into the plate-shaped seat 11. It is pivotably mounted between 12.

When the fishing wheel plate 15 is not in use, the free end thereof is rotated toward the column 11 as shown in FIG.
The screw hole 15e is overlapped with one set screw insertion hole 1lb provided in the plate-shaped seat 11, and the first. As shown in FIG. 4, the fishing wheel plate 15 is fixed in the storage position by screwing the set screw 19 into the screw hole 15e. Note that 20.21 in Figure 4
is a screw fitted to the set screw l9.

Next, a method of using the fishing wheel mounting device and fishing wheel plate according to the present invention constructed as described above will be explained.

When the device of the present invention is not in use, as shown in FIG. It is fixed with a set screw 19.

Therefore, when this device is not in use, it does not interfere with other work, and there is no risk of damage to the fishing wheel plate 15.

As shown in FIG. 6, when attaching the fishing wheel 9, remove the setscrew 19 and attach the fishing wheel plate}1.
5 to the outside, and as shown in FIG. The ground jumping fishing wheel 9 is connected via 24.

As described above, according to the present invention, the jumping trolley 9 can be reliably and quickly attached to the steel tower with an extremely simple operation.

(Effects of the Invention) Since the device of the present invention is constructed as described above, the plate-shaped catch 11. By rotating the free end of the fishing wheel plate 15 rotatably provided through the fishing wheel 12 outward, and using the fishing wheel connection hole provided at the free end of this plate 15, it is possible to jump from the ground. The effect that the car 9 can be reliably and easily attached to the steel tower is obtained.

When not in use, the fishing wheel plate 15 is rotated toward the pillar 10 side, and the screw 19 passing through the upper catch 11 is screwed into the screw hole 15e of the fishing wheel plate 15. It also has the effect of being able to store items stably without getting in the way of other items.

[Brief explanation of the drawing]

Fig. 1 is a partial perspective view of a steel pipe column of a steel tower to which the device of the present invention is attached; Fig. 2 is an elevational view showing a state where a ground-jumping trolley is attached to the trolley plate; FIG. 4 is a front view of the fishing wheel plate, FIG. 5 is a top view thereof, and FIG. 6 is a perspective view showing the method of installing the power transmission line. l...Steel tower 2...Power line 6...Tension wire 9...Ground jumping trolley 0...Pole material
11.12... Plate-shaped catch seats 3, 14...
Rib l5...Fishing wheel plate 5a...Bolt insertion hole 15b...Boss portion 5c, 15d...
・Fishing wheel connection hole 15e...Screw hole 6...Bolt l9
...Set screws Fig. 1 Fig. 3 (fourth fist f5

Claims (1)

[Claims] 1. Two plate-shaped seats are arranged vertically at an appropriate interval on the side of the pillar material of the steel tower, and a boss part for bolt insertion is provided on one side of the plate-shaped body. At the same time, a fishing wheel connecting hole is provided on the other side, and a screw hole is provided on the upper edge to form a fishing wheel plate, and this fishing wheel plate is inserted between the above-mentioned upper and lower plate-shaped seats. A bolt passes through the plate-shaped catch and the boss part of the fishing wheel plate, and the screw passing through the upper plate-shaped catch is screwed into the screw hole of the fishing wheel plate in the retracted position. A fishing wheel attachment device characterized by being able to fix a plate. 2. A plate for a fishing wheel, characterized in that a boss part for bolt insertion is provided on one side of the plate-shaped body, a fishing wheel connection hole is provided on the other side, and a screw hole is further provided in the upper edge.