JPS5929493Y2 - snake-proof fence - Google Patents

Description

[Detailed explanation of the idea] Birds and snakes build nests in substations and power transmission towers, so snakes invade the substations to prey on the birds' eggs and chicks, as well as the chickens, and climb up the towers. The reality is that electric power companies are struggling to come up with preventive measures, as they often touch electric wires and cause short circuits, causing power outage accidents.

Snakes can climb up block walls that have even the slightest bit of cypress, even if the walls are installed vertically, and can easily climb up and down fences made of vertically stretched wire mesh.

It also has the property of easily becoming a snake if it has a hole where a snake's head can fit.

The inventor studied these characteristics and created a fence that reliably prevents snakes from entering at a low cost and can be used semi-permanently.
The purpose is to provide a structure that is easy to repair.

Next, the structure will be explained in detail based on the drawings.

A concrete base 1 is provided around the place where the fence is to be installed, and main pillars 2 are planted on the top surface at appropriate intervals.

The main pillar 2 is inclined outward by about 30 degrees from the top surface of the base 1, has a height equivalent to the height of the snake, and its upper part extends vertically. It has a bifurcated structure and is cut to an appropriate length.

In order to strengthen the pillar 2 and to make it easier to stretch wire mesh, plates, etc., a rim 3 is provided on the outside with angle iron material at the lowest level, in contact with the base 1 and sequentially welded to the left and right main pillars 2. 4
The rim 5 is installed overlapping the corner of the main pillar 2 that is vertical to the slope, and is sequentially welded to the main pillar 2, and the rim 6 is installed below where the barbed wire is pulled, and is successively attached to the main pillar 2. Weld.

A wire mesh with a small mesh is used between the rims 3 and 4, and a wire mesh with an appropriate mesh is welded directly to the rim from the outside between the rims 5 and 6, or a wire mesh is sandwiched between the rim and the rim with a metal plate. Tension and fix.

The inventor thought that it would be best to attach a metal plate, synthetic resin plate glass, etc. between the body edges 3 and 4 to prevent snakes, but it would be expensive and would obstruct ventilation at the bottom, so wire mesh was not used. used.

To attach a snake-proof fence to an existing fence, as shown in Figure 3,
The pillars 7 are made to protrude outward to an extent corresponding to the required angle, and an angle iron material is welded to the tips of the pillars 7 to connect the tips of each pillar 7.
This is used as a furring 8, and a wire mesh with a small mesh is stretched between the furring 3 and the furring 8.

This is the structure above.

Next, one embodiment will be described. The inventor captured five non-venomous snakes, set up a snake-proof fence in the center of the laboratory with great care so that there were no gaps, and placed the snakes on the outside of the snake-proof fence, that is, on the side where the sloped surface protruded. I released 10 chicken eggs and 5 chicks inside and observed them day and night for 30 days, and found that the snakes tried to climb the snake-proof fence by raising their sickle necks, but the snakes' bodies were only about one-third of the snake's height. It seems to be stretching and climbing, but if it goes any further than that, the snake's center of gravity shifts towards its neck, and it falls to the floor.

Based on this fact, we have confirmed that if the height of the snake-proof fence is set to approximately the same height as the person's height, 100% of snakes will not be able to climb the snake-proof fence.

According to the above, if there is no need to prevent people from entering, there is no need to pull the advantageous wire, so you only need to consider measures to prevent snakes from entering, so the height of the snake-proof fence is sufficient for the fence, and as a result, equipment costs are reduced. It has the advantage of being very low cost.

[Brief explanation of the drawing]

Figure 1 is a front view from the outside, Figure 2 is a left side view, Figure 3 is a left side view, and Figure 3 is a left side view.
The figure is a right side view of an existing fence with a snake-proof fence attached.

Claims (1)

[Claim for Utility Model Registration] Main pillars 2 are planted on the top surface of a concrete base 1 at appropriate intervals, and the main pillars 2 are inclined approximately 300 degrees outward from the top surface of the base 1, and are designed to have a height equivalent to that of a snake. Tilt to height. A rim 3 is attached to the lower part of the main pillar 2 from the outside in contact with the top surface of the base 1.
are provided, and each main pillar 2 is connected and welded by a rim 3. Extend the support 2 vertically upwards at a height equivalent to the body height of the body 3, and attach the body 4 from the outside to each main pillar 2V at the corner.
Snake-proof fence made by welding C connections and stretching a small-mesh wire mesh between the edges 3 and 4, or pasting synthetic resin plates, metal plates, or glass.