JPS6029477Y2 - Water intake device - Google Patents

Description

[Detailed description of the invention] This invention relates to a water intake device that takes in surface water and intermediate water from a reservoir.

There is a well-known cylinder gate as a water intake device for the above purpose.

This cylinder gate is made expandable by fitting multiple sliding tubes of different sizes and diameters together, and has a water intake at the top of the sliding tube at the top end. This is to ensure that water flows smoothly.

In addition, if the rectifying plate is small and its buoyancy is such that only the rectifying plate floats, the cylinder gate hoist must be operated to correct the position of the water intake every time the water level in the reservoir changes. is extremely troublesome.

In addition, there is also a type in which the float type rectifying plate is made large enough to reduce the buoyancy to the extent that it suspends the sliding tube at the top of the cylinder gate.

This has the advantage that surface water can be taken in without power because the cylinder gate expands and contracts in response to changes in the water level of the reservoir, and the intake port moves up and down in response to changes in the water level. Due to the large size, the equipment is large compared to the amount of water taken, and selective water intake, which is intermediate water intake from 3 to 5 meters below the water surface, is difficult.

Furthermore, a float is provided on a bellows-shaped flexible tube as described in Japanese Patent Application Laid-Open No. 52-5935,
There are some types that take in surface water from a spout that moves up and down with this float, but even with this type, it is not possible to take in intermediate water.

Further, as described in Japanese Utility Model Publication No. 52-6914, a float is provided at the top and middle of the bellows-shaped flexible pipe, and the float is raised and lowered along a guide to take water from the spout at the upper end of the flexible pipe. There is also a system that does this, but like the above system, intermediate water intake is not possible with this system.

In order to solve the above-mentioned problems with conventional water intake devices, this idea consists of a frame with a float floating on the water surface of the reservoir and an intake pipe attached to it, so that the main body itself moves with the water surface so that the water level can be adjusted. To provide a water intake device that does not change the relative position between the water intake port on the water intake pipe and the water surface even if the water changes, and can easily take in intermediate water.

This invention will be explained in detail below based on the accompanying drawings.

In the figure, 1 is the dam and 2 is the reservoir upstream of it.

A is the main body floating in the reservoir, with multiple cylindrical floats 3
It consists of a framework in which floats are integrally connected by a plurality of horizontal frames 4, and a screen 5 having a large number of vertical rods arranged in parallel is provided between each float 3 as shown in FIG.

Reference numeral 6 denotes a water intake pipe installed in the center of the main body A so that it can be raised and lowered freely, and retaining parts 7 on both sides of the intake pipe are attached to a pair of guide rails 8 inside the main body A.
is slidably engaged with.

Reference numeral 9 denotes a water intake port at the upper end of the water intake pipe 6, and the periphery thereof opens outward to form a water intake basin 10.

A plurality of tension rods 11 are provided at the upper part of this water intake basin 10.
and a lifting beam 12 on this rod 11.
is fixed, and a rope 13 from which the lifting beam 12 is suspended is hoisted up by a hoist 15 in an operation room 14 provided on the main body A.

Mata, the tension rod 11 has a float type rectifying plate 16
Although the rectifying plate 16 is attached so as to be able to rise and fall freely, the buoyancy of this rectifying plate 16 may be sufficient to make it levitate.

17 is a flexible pipe, which connects the intake pipe 6, the lower end and the dam 1.
The flexible tube 17 has a structure in which a large number of steel rings are inserted at regular intervals to maintain the cylindrical shape inside a tube made of rubber or plastic.

In addition, a plurality of fixing devices 19 or chains are connected to the lower end of the main body A, and the ends thereof are fixed to the bottom of the dam 1 or the reservoir 2, so that the main body A is fixed at a certain distance from the shore of the dam 1 or the reservoir 2. The main body A should be stopped so that the vertical movement of the main body A is not obstructed.

This invention has the above-mentioned configuration, and the main body A floats as shown in FIG. 1 due to the buoyancy of the float 3.

Therefore, by holding the water intake pipe 6 at an appropriate height relative to the main body A by the hoisting machine 15 in the operation room 14 on the main body A, the distance between the water surface and the water intake port 9 is always kept constant.

That is, since the main body A always follows changes in the water level, the relationship between the float 9 and the water surface remains constant no matter how the water level changes, and surface water can be taken in.

Furthermore, since the float type rectifier plate 16 is small enough to float itself, when the rope 13 is loosened by the hoisting machine 15, the rectifier plate 16 is submerged under water due to the weight of the water intake pipe 6 and the flexible pipe 17, and the water intake Intermediate water can be taken in by lowering the port 9 to about 3 to 5 meters below the water surface.

As mentioned above, this idea allows the hoisting machine 15 to remain stable even when the water level changes.
These operations are completely unnecessary, and the system can automatically track changes in the water surface and draw warm water suitable for agricultural irrigation without using any power.

Furthermore, as mentioned above, this invention allows the water intake 9 to be lowered below the water surface to take in intermediate water at a certain water depth from the water surface of the reservoir, and since the intake of this intermediate water also follows changes in the water surface, it is unnecessary. It can be done by power.

The intermediate water taken in this way has less algae and bacteria than surface water, so it is suitable for water intake for waterworks.

In addition, the float-type rectifying plate 16 of this invention is economical because it can be small enough to float itself, and the hoisting machine 15 used in this invention has enough power to hoist the water intake pipe 6 and the rectifying plate 16. The power source can be a small gasoline or diesel engine, and since the number of operations is extremely small, it can be used for a long time without repair or maintenance. .

[Brief explanation of the drawing]

FIG. 1 is a partially longitudinal side view of the water intake device of this invention, and FIG. 2 is a partially transverse plan view of the same. 1... Dam, 2... Reservoir, 3...
...Float, 6...Intake pipe, 9...
・Water intake, 13...Rope, 15...Hoisting machine, 16...Float type rectifier, 17...
・Flexible tube, A... Main body.

Claims (1)

[Scope of utility model registration request] In a water intake device that has a water intake and a float at the upper end of a flexible pipe, a floating main body consisting of a frame with a float is floated in a reservoir, and has a water intake and a float-type rectifying plate at the upper end, and a water conduit at the lower end. A water intake pipe connected with a flexible pipe leading to the main body is installed in the main body so as to be able to rise and fall freely, and a hoist for raising and lowering the water intake pipe is provided on the upper part of the main body, so that surface water and intermediate water can be freely taken in. A water intake device characterized by: