JP2541186Y2 - Roller gate with flap - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roller gate with a flap, which is a gate used in a river or the like, wherein the flap is mounted on a lower door so that the flap can be raised and lowered.

[0002]

2. Description of the Related Art A conventional roller gate with a flap is shown in FIG.
As shown schematically, a flap b is placed on a lower door a which can be moved up and down along a door groove via upper and lower rollers.
The lower end of the lower door to which the lower watertight rubber is attached is provided between the lower door a and the door pocket so that the lower door a is raised and lowered and the flap b is raised and lowered by the opening and closing devices c and d. e, between the lower door stop hardware, between the lower edge of the flap b, and the lower door a, between the flap side and the wall with the lower door f.
It is common to ensure that watertightness is maintained.

[0003]

However, in the case of a roller gate with a flap as in the prior art described above, since the flap b is directly attached to the lower door a, all the hydraulic load received by the flap b is borne by the lower door a. Therefore, if an attempt is made to increase the ratio of the height of the flap to the entire height, the water pressure received by the flap increases, and the lower door a cannot withstand.
Therefore, conventionally, assuming that the height of the flap b at the time of standing is h and the height of the entire roller gate with the flap is H, h is limited to 1/3 of the total height H and is designed to be 1/3 or less. I was On the other hand, the height of the fall gate of the type supported by a pin fixed on the riverbed through a pin (shaft) is limited to 3m or less by the rules.
In addition, there are many problems such as obstacles when opening the gate due to sedimentation on the downstream side, maintenance measures, and the like.

Recently, there has been an increasing demand for a roller gate with a flap capable of obtaining a larger h / H.

[0005] In view of the above, the present invention is to provide a roller gate with a large flap so that the flap itself bears the hydraulic load received by the flap.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a picture frame-like door comprising left and right end vertical columns extending in the vertical direction and upper and lower connecting columns extending in the horizontal direction. The body can be moved up and down along the door groove via upper and lower rollers, and inside the door body, a flow guide wall with a flap formed by integrally attaching a flap to an end between a pair of left and right flow guide walls forming a fan shape. A main part of the fan of the flow guide wall with flap is attached to the left and right end vertical beams of the door so as to be able to be raised and lowered by a shaft, and is connected to the downstream end of the flow guide wall with flap. The attached wire rope is taken up by a switchgear on the embankment via a sheave attached to the upper part of the door body, and further between the flow guide wall with flap and the end stringer, the bottom of the flap and the lower part of the door body. The structure between the connecting girder and the end vertical girder and the door pocket has a watertight structure.

[0007]

[Function] When the wire rope is wound up or down,
The flow guide wall with the flap performs an undulating operation integrally. When the wire rope is wound up with the flap upright, the whole is raised along the door groove. Since the flap is supported by the end vertical girder via the integral flow guiding wall, the hydraulic load acting on the flap can be borne by the flap itself, and the lower connecting girder corresponding to the lower door does not bear.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

As shown in FIG. 1 to FIG.
A lower connecting girder 3 corresponding to a conventional lower door that connects the lower ends of the left and right end vertical girders 2 to each other, and an upper connecting girder 4 connecting the upper ends of the left and right end vertical girders 2 to each other. And a frame-shaped door body 1 as viewed from the front, and a door groove 5 is provided on each of the outer ends of the upper and lower ends of the right and left end vertical beams 2 of the door body 1.
A pair of left and right upper main rollers 6 and two left and right lower main rollers 7 that can roll along each other are rotatably mounted so that they can be moved up and down along the door groove 5 via upper and lower main rollers 6 and 7, The lower connecting girder 3 has a sectional shape similar to that of the conventional lower door a shown in FIG. 5 so that watertightness is maintained between the lower end thereof and the riverbed 8. The flow guide wall 9 integrated with the flap 10 is attached inside so as to be able to undulate.

The flap 10 is positioned between one end of a fan-shaped flow guide wall 9 symmetrically arranged on the left and right sides and has the same width as the radius of the flow guide wall 9, and both ends of the flap 10 are left and right. Is fixed to the inner surface of the flow guide wall 9 and is integral with the flow guide wall 9. The corner of the flow guide wall 9 where the base end of the flap 10 is located, that is, 1 is attached to the lower end of the end stringer 2 which constitutes 1 by a horizontal shaft 11;
It can be raised and lowered about the shaft 11.

At one end of each of the left and right flow guiding walls 9, a binding portion 13 is provided for connecting the ends of a plurality of wire ropes 12. After the plurality of wire ropes 12 attached to the connecting portions 13 at one end of the left and right flow guide walls 9 are attached to the respective sheaves 14 and each of the wire ropes 12 is arranged along the arc surface of the surface of the flow guide wall 9, It turns over the sheave 14, penetrates the upper connecting girder 4, guides it upward, and performs multi-row multi-winding on the multi-row grooved winding drum of the opening / closing device 17 on the gantry 16 installed on the bank body 15. The flap 10 is opened and closed and the whole is pulled up and down by winding up and down the wire rope 12 by the opening and closing device 17.

The watertightness between the door 1 and the flap 10 is as follows:
The side watertight rubber 18 attached to the end stringer 2 is guided so that it can be held between the flow guiding wall 9 provided for watertightness on both sides of the flap 10 and the end stringer 2 of the door body 1. The end wall 2 of the door body 1 and the door pocket 1 are pressed against the outer surface of the flow wall 9.
9 is maintained by contacting the side watertight rubber 20 attached to the end vertical girder 2 with the door pocket 19, and between the bottom of the flap 10 and the lower connecting girder 3 of the door body 1. As shown schematically in FIG. 4, the watertightness is maintained by bringing the bottom watertight rubber 21 attached to the upper surface of the lower connecting girder into contact with the bottom surface of the flap 10.

When the roller gate with flap of the present invention is installed on a riverbed, the opening and closing device 17 controls the wire rope 1.
2, the door body 1 and the flap 10 are united to form an upper main roller 6 and a lower main roller 7 along the door groove 5.
After the bottom of the door body 1 comes into contact with the riverbed, the wire rope 12 is lowered to
0 is tilted forward (clockwise in FIG. 1) about the axis 11. After the door body 1 is lowered along the door groove 5, the wire flap 12 is wound up and down by the opening / closing device 17 so that the flap 10 can move up and down around the shaft 11 together with the flow guide wall 9.

When the flap 10 rises from the two-dot chain line position to the solid line position in FIG. 1, the water level on the upstream side is raised by being blocked by the flap 10. Since the hydraulic load acting on the flap 10 is not borne by the flap 10 itself but by the lower connecting girder 3, a large flap can be used as the flap 10, and in FIG. h can be increased to 1/3 or more of the height H of the entire gate.

When the flap 10 moves up and down, the flow guide wall 9 rotates about the shaft 11 as a unit,
Between the end girder 2 and the door pocket 19, and between the flap 10 and the lower connecting girder 3, watertightness is ensured.

When pulling up the roller gate with the flap, the wire rope 12 is wound up by the opening / closing device 17 so that the flow guide wall 9 with the flap is turned around the shaft 11 supported by the end vertical beam 2 in FIG. When the flap 10 is turned clockwise, the flap 10 is raised, and the connecting portion 13 comes close to the position of the sheave 14 and reaches a position where it cannot be further rotated, it hits a stopper (not shown). The door body 1 is pulled up along the door groove 5. Thereby, one switchgear 1
7, the door body 1 can be raised and lowered and the flap 10 can be opened and closed.

[0017]

As described above, according to the roller gate with the flap of the present invention, the end vertical girder which can be moved up and down along the door groove via the main roller and the lower connecting girder corresponding to the conventional lower door. Inside the door body consisting of the upper connecting girder, a flap having fan-shaped flow guide walls fixed at both ends is disposed, and the flap and the flow guide wall are rotatably supported via shafts at the end vertical girder. And a plurality of wire ropes attached to the end of the flow guiding wall are wound around an opening / closing device above the embankment over a sheave supported on the upper part of the end stringer, so that one opening / closing device is provided. By lifting and lowering the wire rope, it is possible to open and close the flap and raise and lower the entire flap, and because the flap itself bears the hydraulic load of the flap, the size of the flap is larger than that of the conventional roller gate with flap. It can be a roller gate with a flap, and since the watertightness of the flap side is ensured between the flow guiding wall and the end girder, the watertightness is sufficiently ensured. The effect can be obtained.

[Brief description of the drawings]

FIG. 1 is a cut-away side view of a roller gate with a flap according to the present invention.

FIG. 2 is a schematic view seen from the front.

FIG. 3 is an enlarged plan view schematically illustrating a watertight portion of a flow guide wall, end longitudinal beams, and a door groove portion.

FIG. 4 is a view showing a watertight manner between a flap and a lower connecting girder.

FIG. 5 is a side view schematically showing a conventional roller gate with a flap.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door body 2 End longitudinal girder 3 Lower connecting girder 4 Upper connecting girder 5 Door groove 6 Upper main roller 7 Lower main roller 8 Riverbed 9 Flow guide wall 10 Flap 11 Axis 12 Wire rope 13 Binding part 14 Sheave 17 Opening / closing device 18, 20,21 Watertight rubber 19 Door bag

Claims (1)

(57) [Scope of request for utility model registration] 1. A left and right end girder having upper and lower main rollers attached thereto so as to be able to move up and down along a door groove, and a lower connection integrated between lower ends of the left and right end girder. Digits and
On the inside of the door body consisting of the upper connecting girder arranged and integrated between the upper ends of the left and right end vertical girder, a flap in which a fan-shaped guiding wall is fixed symmetrically at both ends is arranged, A wire rope, which is rotatably attached to a corner of the flow guide wall serving as a base end of the flap by the shaft on the end longitudinal girder and is attached to an outer surface on one end side of the flow guide wall, is vertically lengthened. It winds around the sheave supported on the upper part of the girder and winds it around the opening and closing device, and furthermore, it has a watertight structure between the guiding wall and the end girder, between the end girder and the door pocket, and between the flap and the lower connecting girder. Roller gate with flap.