JPH11269856A - Slanted gate - Google Patents

Abstract

(57) [Summary] [PROBLEMS] To provide a sloping gate that can be installed at a low cost without damaging the scenery and environment. SOLUTION: A door body 10 that opens and closes an outlet 72a of a drain gutter pipe 72 that crosses a dike 71, a support body 20 that movably supports the door body 10 along an inclined surface 74 of the dike 71, and a door body 10 And a drive shaft 33 provided on both sides of the door body 10 along the moving direction of the door body 10.
And a pin gear 35 provided at both ends of the drive shaft 33, and a rack 36 arranged on both sides of the support 20 and meshing with the pin gear 35.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an openable / closable gate for preventing backflow of a drain gutter pipe crossing a river bank.
In particular, the present invention relates to a sloping gate in which a door body moves along an inclined surface of the embankment.

[0002]

2. Description of the Related Art Conventionally, a vertical opening / closing gate has been used to prevent backflow of a drain gutter pipe crossing a river embankment. FIG. 3 is a diagram showing an example of a conventional vertical opening / closing gate. The vertical opening / closing gate 50 is a gate 51 that opens / closes a river-side exit 72 a of a gutter pipe 72 that crosses the embankment 71.
A gate post 52 provided on both sides of the gate 51 to guide the gate 51 up and down by a guide groove 52a; an operation room 53 provided above the gate post 52; and a gate 51 provided in the operation room 53. , And a management bridge 55 and the like, which is stretched over the operation room 53 and the top of the embankment 71, and has a gate / handrail 55a and the like.

[0003]

However, the above-described vertical opening / closing type gate 50 has a small size even if the gate is small.
The hoisting machine 54 is installed in the operation room 53 above the, and the gate 51 is opened and closed by the hoisting machine 54. For this reason, a passage (management bridge 55) for communication with the gate post 52 and the embankment 71 was required.

The gate post 52, the operation room 53, the management bridge 55,
In addition, large-scale facilities such as a slope protection block will be involved, and these will appear in the river space, thus damaging the landscape of the river and causing the pillar 52 to hinder the flow of the river. In addition, since these facilities have a high center of gravity and are vulnerable to earthquakes and the like, they need to be constructed strictly or require maintenance and management, and the construction and operation of the facilities are expensive.

[0005] Particularly, in a flood pond, considering the time of flooding, the height of the operation room must be greatly increased, and further structures are installed on the ground in relation to the existing facilities. Difficulties, environmental measures,
There was a problem from the view.

[0006] The present invention does not impair the landscape and environment,
It is an object to provide a sloping gate that can be installed at low cost.

[0007]

In order to solve the above-mentioned problems, a first aspect of the present invention is to provide a door body for opening and closing an outlet of a drain gutter pipe traversing an embankment, and connecting the door body along an inclined surface of the embankment. A support that movably supports the door, provided on the door body,
And an opening and closing device for opening and closing the door.

According to a second aspect of the present invention, in the skewing gate according to the first aspect, the opening / closing device is connected to a drive source provided on the door body and the drive source, and moves the door body. Drive shafts provided on both sides along the direction, pin gears provided on both ends of the drive shaft, and a rack arranged on both sides of the support and meshing with the pin gears, It is a sloping gate.

According to a third aspect of the present invention, there is provided the skew gate according to the second aspect, wherein the driving source is an electric motor or a hydraulic motor.

[0010]

Embodiments of the present invention will be described below in further detail with reference to the drawings. FIG.
FIG. 2 is a view showing an embodiment of a skewing gate according to the present invention, and FIG. 2 is a detailed view of part a of FIG.

The skew type gate of this embodiment is shown in FIG.
As shown in (a), in order to match the slope 73 of the river embankment 71, the slope is inclined at an inclination angle θ (= approximately 45 °), and unevenness of the slope 73 due to gate installation is avoided as much as possible.
The objective is to minimize the turbulence of the river flow caused by the gate installation and to improve the landscape of the river space. The sloping gate includes a door body 10, a support body 20, an opening / closing device 30, and the like.

The door body 10 is for opening and closing an outlet 72a of a drain gutter 72 crossing the embankment 71. The door body 10 includes a metal door plate 11, a reinforcing frame 12 formed in a lattice shape on the door plate 11, chill tanks 13 provided at both ends of the door plate 11, and provided on both lower surfaces of the door plate 11. And the like.

The support 20 is a member for movably supporting the door 10 along the inclined surface 73 of the embankment 71, and is provided along the inclined surface 73 on both sides of the outlet 72a.
As shown in FIG. 2, a frame 21 made of concrete or the like disposed facing the space S, a metal rail 22 embedded in the frame 21, and a corner covered by the frame 21. Protection member 23 and the like.

The opening / closing device 30 is for driving the door 10 to open and close, and includes an electric motor 31 provided as a driving source provided on the door 10, a speed reducer 32 for reducing the output of the electric motor 31. , Connected to the speed reducer 32, and the door 10
A drive shaft 33 extending on both sides along the moving direction of the drive shaft, a bearing 34 provided on the door body 10 to rotatably support the drive shaft 33, and a pin gear 35 provided at the tip of the drive shaft 33.
And a rack 36 (see FIG. 2) arranged on both sides of the support 20 and engaged with the pin gear 35.

The output of the speed reducer 32 is transmitted to the left and right drive shafts 33 via the operating gear mechanism.
The engagement torque between the pin gear 35 and the rack 36 can always be equal. In addition, the speed reducer 32
Is provided with a detector (not shown) for detecting the number of rotations or the rotation angle of the shaft. The detector can detect an arbitrary position of the door 10.

The operation panel 41 is for remotely operating the opening / closing device 30 via a cable 42, and is desirably installed at a position where the inclined gate can be viewed.

Since the inclined gate is configured as described above, when the electric motor 31 is driven by an operation from the operation panel 41 provided on the embankment 71, the speed reducer 3
2. The pin gear 35 rotates through the drive shaft 33, and the pin gear 35 moves up and down on the rack 36,
Move up and down along the slope 74. Thereby, the outlet 72a of the gutter tube 72 can be opened and closed.

(Modifications) Various modifications and changes are possible without being limited to the embodiment described above, and they are also within the equivalent scope of the present invention. For example, the drive source has been described using an electric motor as an example, but a hydraulic motor or a hydraulic cylinder may be used.

(1) In the case of a hydraulic motor In this case, a hydraulic motor, a speed reducer, etc. are provided, a drive shaft is taken out horizontally on the left and right, and a pin gear provided at the tip engages with a rack fixed to a support. , Raising and lowering the door. The supply of the pressure oil to the opening and closing device is performed by a flexible hose, and has a structure that expands and contracts so as not to hinder the lifting and lowering of the door body. In addition, a hydraulic unit is provided in the embankment or near the top of the embankment to supply pressure oil.

(2) Hydraulic Cylinder In this case, the cylinder portion of the hydraulic cylinder is supported by pins on a placket fixed to the civil structure at the top of the door body, and the tip of the rod of the hydraulic cylinder is attached to the door body. The structure is such that the door is moved up and down by the expansion and contraction of the hydraulic cylinder with a pin. The mounting position of the rod is the lower end of the door body,
If the hydraulic cylinder is configured to be stored in the door when the hydraulic cylinder contracts, the equipment can be made compact. However, it is necessary to cut out the spar of the door body in the portion where the hydraulic cylinder is stored, so it is desirable to reinforce that portion. Also in this case, a hydraulic unit is provided in the embankment or in the vicinity of the top of the embankment to supply hydraulic oil to the hydraulic cylinder.

According to this embodiment, the hydraulic cylinder is the simplest and widespread as an actuator, can be manufactured at low cost, and has high operation reliability. In addition, when the door is pulled up, the door can be housed in the inside of the door, so that the size can be reduced.

[0022]

As described above in detail, according to the present invention, the following various effects can be obtained. (1) Nothing protrudes from the slope of the embankment, does not occupy the river space, and does not impair the landscape of the river. Also, it does not hinder the flow of the river. (2) Since the door has a built-in opening and closing device for the door,
Facilities such as gates, operation rooms, and management bridges on the water surface are unnecessary, and can be installed at low cost. (3) The center of gravity of the equipment decreases, and the earthquake intensity increases. (4) The structure is simple, and work such as civil engineering and lawn planting is easy. (5) Since the entire equipment is at a low position, there is no work at a high place, and manufacture, installation, maintenance and the like are easy.

[Brief description of the drawings]

FIG. 1 is a diagram showing an embodiment of a skewing gate according to the present invention.

FIG. 2 is a detailed view of a part a of FIG.

FIG. 3 is a diagram showing an example of a conventional vertical opening / closing gate.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Door body 11 Door plate 12 Reinforcement frame 13 Chill tank 14 Side roller 20 Support body 21 Frame body 22 Rail 23 Protective member 30 Opening / closing device 31 Electric motor 32 Reduction gear 33 Drive shaft 34 Bearing 35 Pin gear 36 Rack 41 Operation panel 42 Cable

Continued on the front page (72) Inventor Masanobu Kunigami 2-9-1-1, Kurihashi-cho, Kita-Katsushika-gun, Saitama Prefecture (72) Inventor Mitsuru Kidoguchi 2-9-1-1, Kurihashi-cho, Kita-Katsushika-gun, Saitama (72) Inventor Koji Shimami Tokyo 2-2-1 Uchikanda, Chiyoda-ku, Tokyo Toyokuni Kogyo Co., Ltd. (72) Inventor Hirohiko Yamada 1-10-21 Nakameguro, Meguro-ku, Tokyo Yachiyo Engineering Co., Ltd. (72) Inventor Miyamoto Takayuki 1-10-21 Nakameguro, Meguro-ku, Tokyo Yachiyo Engineering Co., Ltd.

Claims (3)

[Claims] 1. A door body for opening and closing an outlet of a drain gutter pipe traversing an embankment; a support body for movably supporting the door body along an inclined surface of the embankment; An oblique gate having an opening and closing device for opening and closing the door. 2. The sloping gate according to claim 1, wherein the opening and closing device includes a driving source provided on the door body, and both sides connected to the driving source and along a moving direction of the door body. A sloping gate, comprising: a drive shaft provided on the drive shaft; pin gears provided on both ends of the drive shaft; and racks arranged on both sides of the support and meshing with the pin gear. . 3. The skew gate according to claim 2, wherein the drive source is an electric motor or a hydraulic motor.