JPH043119Y2 - - Google Patents

Description

[Detailed description of the invention] <Industrial application field> This invention prevents accidents by covering the climbing prevention cover for high-voltage power transmission lines, more specifically, the step bolts for climbing the steel tower. It is about a cover that can do things.

<Conventional technology> Steel towers for high-voltage power transmission lines are approximately 20 to 40 meters above the ground, and during work such as repair work and safety inspections of power transmission lines, step bolts installed in the main frame of the tower are used as scaffolding. The current situation is that workers are required to wear safety devices such as safety belts and pay close attention to safety when going up and down, as it is extremely dangerous. .

However, even though there are iron fences around steel towers, there are many accidents in which children and some ignorant people climb over the steel fences and use step bolts to climb and fall. One possible method is to remove the step bolts at the bottom of the tower all the time and only attach them during work.
There is a problem in that it requires a lot of effort and effort on the part of the workers, and they may not be able to make it in time in case of an emergency.

<Problems to be Solved by the Present Invention> The present invention attempts to solve the various problems mentioned above by covering the step bolt with a simple method.

<Means for solving the problem> In the present invention, in order to solve the above problem, the step bolt is covered by an appropriate means, and the gist is that the step bolt is covered in a sandwich-like manner between the left and right side plates. There are round holes large enough to allow the step bolt head to be inserted at intervals corresponding to the step bolt spacing that is applied in the vertical direction of the vertically long plate-shaped body, and the step bolt shaft can be inserted in a continuous manner upward from the round hole. A step bolt insertion hole is formed by passing through a long hole, and a reinforcing plate is provided between the left and right side plates at a location other than the step bolt insertion hole, and furthermore, a reinforcing plate is provided below the vertically long plate-like body. A prevention cover is provided with a covering plate groove on both sides of the step bolt insertion hole so as to cover the step bolt insertion hole, and a locking hole is provided in the lower end of the vertically long plate-like body;
This step bolt cover is characterized in that it is combined with a fixing plate that fits into and removes from the covering plate groove in the lower part of the prevention cover.

<Embodiments and operations> The step bolt cover according to the present invention will be described in detail below with reference to drawings showing embodiments thereof.

Figure 1 is a partially omitted front view of the present invention, with the left,
Large round holes 3 into which step bolt heads can be inserted at intervals corresponding to step bolt intervals that are adapted to the vertical direction of the vertically long plate-like body 2 that is connected between the right side plates 1 and 1 in a pinched manner; A step bolt insertion hole 5 is formed through the elongated hole 4 through which the step bolt shaft can be inserted in a continuous manner upward from the round hole 3, and between the left and right side plates 1, 1, each of the step bolts is inserted. A required number of reinforcing plates 6, 6... are arranged in locations other than the insertion holes 5, 5..., and the step bolt insertion holes 5 are provided in the lower part of the vertically long plate-like body 2. A prevention cover is provided with covering plate grooves 7, 7 on both sides of the back surface of the lower longitudinal plate-like body 2 so that it can be covered from the back surface of the cover, and furthermore, a locking hole 8 is provided through the lower end of the vertically long plate-like body 2. A, the covering plate groove 7,
7 is a sectional view taken along line B-B when viewed from below, and the step bolt 10 is inserted through the round hole 3 and positioned at the upper end of the elongated hole 4. At this time, the prevention cover A is fixed by inserting the fixing plate 9 from below into the covering plate grooves 7, 7 and covering the step bolt insertion hole 5 up to the position of the step bolt 10. The head of the step bolt 10 prevents the prevention cover A from coming off.

FIG. 3 is an explanatory view showing the usage state of the present invention, in which the step bolt insertion hole 5 is inserted into the step bolts 10, 10, . . . of the steel tower 11, and the step bolts 10, 10, . When located at the upper end of the bolt insertion holes 5, 5..., insert the fixing plate 9 into the covering plate grooves 7, 7, cover the step bolt insertion hole 5 up to the step bolt 10 position, and lock the step bolt. The prevention cover A is fixed by fixing the fixing plate 9 by locking the lock 12 in the hole 8.

The material for the protective cover A is preferably a material that is strong, lightweight, and resistant to corrosion; for example, an economically inexpensive vinyl chloride material is most suitable. Further, the elongated hole 4 is provided with a certain length to allow for slight differences in the distance between the step bolts and to make it easier to insert the step bolts into the prevention cover A.

<Effects of the invention> According to the invention, by leaving the step bolts of the steel tower as they are and covering the step bolts, the general public cannot climb up, and it is very easy to install and remove. It has various effects such as not requiring much time and effort.

[Brief explanation of the drawing]

FIG. 1 is a partially omitted front view of the step bolt cover of the present invention, FIG. 2 is a sectional view taken along the line B--B in FIG. 1, and FIG. 3 is an explanatory diagram showing the state of use of the present invention. In the figure, A...Prevention cover, 1, 1...Left and right side plates, 2...Vertical plate-like body, 3...Round hole, 4...Elongated hole, 5...Step bolt insertion hole, 6... ...Reinforcement plate, 7... Covering plate groove, 8... Locking hole, 9... Fixing plate.

Claims (1)

[Scope of utility model registration request] Round holes large enough to allow the step bolt heads to be inserted are provided at intervals corresponding to the step bolt spacing in the vertical direction of the vertically long plate-like body that is connected between the left and right side plates in a pinch-like manner. A step bolt insertion hole is formed through the elongated hole through which the step bolt shaft can be inserted in a continuous manner upward from the round hole, and reinforcement is provided between the left and right side plates at locations other than the respective step bolt insertion holes. A covering plate groove is provided on both sides of the lower part of the vertically long plate-like body so as to cover the step bolt insertion hole, and a locking hole is provided at the lower end of the vertically long plate-like body. A step bolt cover comprising a combination of a prevention cover and a fixing plate that fits into and removes from a covering plate groove in a lower part of the prevention cover.