JP2001271334A - Gate spoiler installing structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To positively obtain the vibration-proofing effect of a door body by a spoiler irrespective of the erect angle of the door body of a rising/lowering gate, and to facilitates removal of dust. SOLUTION: The spoiler 2 functions to isolate vibration of the door body 1 caused by overflow water microseism by dividing overflow water flowing over the door body 1 of the rising/lowering gate, and introducing air between a water screen of the overflow water and a door body back face 13. According to an installation structure of the spoiler 2 on the door body 1, a turbulent flow member 5 for turbulizing overflow water by means of pits and projections at a front end thereof is arranged at an overflow portion of the door body 1 so as to rotatably extend in a downstream direction, and the spoiler 2 is fixed onto an upper surface of the turbulent flow member 5. Then, a leg portion 7 of the turbulent flow member 5 and a bearing 8 arranged on a downstream water bed of the door body 1 are connected together via a rod 11 extendable by a hydraulic cylinder 12. When the rod 11 is extended, an erect position of the spoiler 2 is maintained irrespective of the erect angle of the door body 1, and therefore the overflow water is sufficiently divided by the spoiler 2. On the other hand, when the rod 11 is contracted, the spoiler 2 falls, whereby dust is removed by stream current.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to an ups and downs gate provided in a river or a waterway for maintaining a water level or the like, by dividing overflow water of a door body, and blowing air between a water film of the overflow water and a back surface of the door body. The present invention relates to a spoiler-attached structure to a door body for preventing the vibration of the door body caused by the water vein vibration of the overflow water.

[0002]

2. Description of the Related Art Conventionally, a spoiler 2 is provided on an overflow top 1a of a door body 1 as an undulating gate as shown in FIGS.
At the required pitch in the width direction, spoiler 2
Some turbulent spoilers 3 are provided at shorter pitches. In this example, a torque shaft type door 1 is illustrated, and a mountain type spoiler 2 is illustrated.

The spoiler 2 divides the overflow water of the door 1 and introduces air between a water film of the overflow water and the rear surface of the door, thereby preventing the vibration of the door due to the vibration of the water vein of the overflow water. Things. Further, the turbulent spoiler 3 prevents a phenomenon in which, when the overflow water has a shallow depth, the water film of the overflow water has a curtain shape and fluctuates, and a low-frequency air vibration is generated due to a water vein vibration caused by the negative pressure. Turbulence of the overflow water flow.

Further, as shown in FIGS. 11 and 12, a turbulent flow plate 4 having an uneven tip is extended from the overflow top 1a of the door 1 provided with the spoiler 2 to the downstream side. In some cases, the same effect as the turbulent spoiler 3 is obtained by the plate 4. In this example, the door 1 has a horizontal main girder shape, and the spoiler 2 has a triangular pyramid shape.

In addition, in Japanese Utility Model Laid-Open No. 6-34035, a spoiler 2 is provided at the top of a door 1 via a shaft 15 as shown in FIG. 13, and a lever 16 fixed to the shaft 15 is pushed and pulled by a spindle 17. There has been proposed a configuration in which the spoiler 2 is raised and lowered. In this example, when dust is caught on the spoiler 2, the lever 16 is pushed by the spindle 17 to make the spoiler 2 fall down, and the dust is washed away by the water flow.

In Japanese Utility Model No. 2586857, a hydraulic cylinder 18 is attached to the back of the door 1 as shown in FIG. 14, and the spoiler 2 is made to protrude and retract from the top end of the door 1 as the hydraulic cylinder 18 expands and contracts. Something like that has been proposed. In this example, when dust is caught on the spoiler 2, the hydraulic cylinder 18 is contracted, the spoiler 2 is immersed from the top end of the door 1, and the dust is washed away by the water flow.

[0007]

By the way, in the above-mentioned undulating gate, as shown in FIGS. 10 and 12, when the upright angle θ of the door 1 becomes small at the time of discharge at the intermediate opening, the spoiler 2 The turbulent spoiler 3 and the turbulent plate 4 are the door 1
As a result, the overflow of the overflow water becomes insufficient, so that sufficient air cannot be introduced between the water film of the overflow water and the rear surface of the door, and the occurrence of vibration of the door may not be prevented.

In the undulating gate shown in FIG. 13, when the door body 1 is bent by the action of water pressure, a large power is required to raise and lower the spoiler 2. In particular, when the span becomes long, this problem becomes conspicuous.

Further, in the undulating gate shown in FIG. 14, hydraulic cylinders 18 are required for the number of spoilers 2, and a large number of hydraulic cylinders 18 are required to provide a large number of spoilers 2 and turbulent overflow water. There is a problem that the equipment becomes expensive.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a spoiler mounting structure which can surely prevent the vibration of the door body and can easily remove dust, regardless of the standing angle of the door body.

[0011]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention separates overflowing water from a door body of an undulating gate,
In the mounting structure of the spoiler to the door body, which introduces air between the overflow water film and the back surface of the door body to prevent the vibration of the door body caused by the water vein vibration of the overflow water, the spoiler is attached to the overflow part of the door body. A turbulent member for turbulently overflowing water due to the unevenness of the tip is rotatably extended downstream via a hinge, and a spoiler is fixed on the upper surface of the turbulent member, and The legs and the bearings provided on the downstream water floor of the door body are connected to each other via rods that are rotatably joined with pins, and the rods are made extendable and contracted. The door body was raised and lowered while maintaining the spoiler's upright state, and the rod was contracted so that the spoiler fell down.

In such a configuration, if the rod is extended, the overflow water is sufficiently divided by the spoiler that maintains the upright state even at the intermediate opening where the upright angle of the door body is small. Sufficient air is introduced between the water film and the back of the door, and the occurrence of vibration of the door is reliably prevented.

Further, when the rod is contracted and the spoiler is turned over, dust caught on the spoiler can be removed by a water flow.

Further, there is no need to provide a hydraulic cylinder for raising and lowering the spoiler for each spoiler, and the cost of equipment is suppressed.

[0015]

Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, the same reference numerals are given to the same components as those shown in the above-described conventional example,
The description of the function and the like is omitted.

FIGS. 1 and 2 show a first embodiment of the present invention. In this example, the overflow top 1a of the torque shaft type door 1
An angle-shaped turbulent member 5 is rotatably attached to the downstream side of the door body 13 via a hinge 6 at a position slightly below the door body 13, and the mountain-shaped spoiler 2 is fixed to the upper surface of the turbulent member 5. I have. This turbulence member 5 turbulates the overflow water by the unevenness of the tip similarly to the turbulence plate 4 shown in FIGS. 11 and 12, and the lower part of the hinge 6 is the leg 7.

The leg 7 of the turbulence member 5 and the bearing 8 provided on the water floor on the downstream side of the door 1 are connected to each other via a rod 11 rotatably connected by pins 9 and 10, respectively. And constitute a link mechanism. The hydraulic cylinder 12 is interposed in the rod 11, and in the state where the rod 11 is extended with the extension of the hydraulic cylinder 12, the door body 1 is raised and lowered while maintaining the spoiler 2 in the upright state by the link mechanism described above, When the rod 11 is contracted with the contraction of the cylinder 12,
Spoiler 2 falls down.

In the above-described configuration, if the rod 11 is extended, the rising angle θ of the door 1 becomes small in the up / down gate in which the rising angle of the door 1 is changed to adjust the overflow water amount. Also, the overflow water is sufficiently divided by the spoiler 2 which maintains the standing state, so that sufficient air is introduced between the water film of the overflow water and the door back surface 13, and the vibration of the door 1 occurs. It is surely prevented.

Further, since the spoiler 2 is located slightly below the overflow top 1a of the door body 1 and on the downstream side,
Since the overflow is not hindered by the spoiler 2 and the turbulence member 5 is provided, the turbulence spoiler 3 as shown in FIGS. There is no reduction and no trash.

Then, when the rod 11 is contracted and the spoiler 2 is turned down, dust caught on the spoiler 2 can be removed by a water flow.

Further, when the spoiler 2 is folded down in the fully opened state in which the door body 1 is completely folded down, the spoiler 2 fits below the surface of the door body 1 even if it is taller. It can also be applied to an undulating gate that discharges with a larger size.

In addition, when the door body 1 is raised and lowered by hydraulic pressure, the spoiler 2 can be raised and lowered by using the hydraulic pressure source, so that it can be manufactured at low cost.

Next, a second embodiment of the present invention is shown in FIGS. In this example, a triangular pyramid-shaped spoiler 2 is attached to a horizontal main girder type door body 1 with an attachment structure similar to that of the first embodiment, and the effect is the same.

When the door 1 has a fish belly shape as in the third and fourth embodiments shown in FIGS. 5 and 6, respectively, it can be handled by bending the rod 11.

The above mounting structure can be applied to an up-and-down gate mounted on a two-stage roller gate, a dam flap gate, and the like.

Further, as in the fifth and sixth embodiments shown in FIGS. 7 and 8, respectively, in an undulating gate having a long span, if the turbulent flow member 5 is divided into a plurality of sections in the span direction, the door 1 In addition to reducing the influence of the deflection of the spoiler on the hinge 6, the spoiler 2 can be turned down by rotating only the turbulent flow member 5 of the spoiler 2 which needs to remove dust, so that the efficiency is improved. The other upright spoiler 2 also maintains the effect of preventing the door 1 from vibrating.

[0027]

As described above, in the present invention, the spoiler is provided on the turbulent member extending from the overflow portion of the door to the downstream side, and the rod for rotating the turbulent member can be extended and contracted to extend the rod. In the state, the spoiler is raised and lowered while keeping the spoiler's upright state, and when the rod is contracted, the spoiler is made to fall down, so if the rod is extended, the upright state is maintained even at an intermediate opening degree The overflow water is sufficiently divided by the spoiler, and the occurrence of vibration of the door body is reliably prevented.

Also, since the spoiler is located downstream of the top of the door, the overflow is not hindered by the spoiler, and the turbulent spoiler is not required. There is no catch.

Then, when the rod is contracted and the spoiler is turned down, dust caught on the spoiler can be removed by a water flow.

Further, if the spoiler is turned down in the fully opened state in which the door is completely turned down, the spoiler can be settled below the surface of the door even if it is taller. Also applicable to gates.

In an undulating gate having a long span,
When the turbulence member is divided into a plurality of parts in the radial direction, the turbulence member can be selectively rotated, so that it can be operated efficiently and the effect of preventing vibration of the door body is maintained.

Further, there is no need to provide a hydraulic cylinder for raising and lowering the spoiler for each spoiler, and the cost of equipment is also reduced.

[Brief description of the drawings]

FIG. 1 is a schematic side view showing an operation state of a first embodiment of the present invention.

FIG. 2 is a perspective view of a main part of the above.

FIG. 3 is a schematic side view showing an operation state of a second embodiment of the present invention.

FIG. 4 is a perspective view of a main part of the above.

FIG. 5 is a schematic side view showing a third embodiment of the present invention.

FIG. 6 is a schematic side view showing a fourth embodiment of the present invention.

FIG. 7 is a schematic side view showing a fifth embodiment of the present invention.

FIG. 8 is a schematic side view showing a sixth embodiment of the present invention.

FIG. 9 is a perspective view showing a conventional example of attaching a spoiler to an up / down gate.

FIG. 10 is a schematic side view of the above.

FIG. 11 is a perspective view showing another spoiler mounting example of the above.

FIG. 12 is a schematic side view of the above.

FIG. 13 is a schematic side view of an essential part showing an example of the spoiler raising and lowering mechanism of the above.

FIG. 14 is a schematic side view showing an example of the spoiler retracting mechanism of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door body 1a Overflow top 2 Spoiler 3 Turbulence spoiler 4 Turbulence plate 5 Turbulence member 6 Hinge 7 Leg 8 Bearing 9, 10 Pin 11 Rod 12 Hydraulic cylinder 13 Door back

Claims (1)

[Claims] 1. A spoiler for dividing overflow water of a door body of an up-and-down gate and introducing air between a water film of the overflow water and a rear surface of the door body to prevent vibration of the door body due to vibration of a water vein of the overflow water. In the mounting structure to the door body, in the overflow portion of the door body, a turbulence member that makes the overflow water turbulent due to the unevenness of the tip is rotatably extended toward the downstream side via a hinge, A spoiler is fixed to the upper surface of the turbulence member, and the leg of the turbulence member and a bearing provided on the water floor on the downstream side of the door body are respectively connected via rods rotatably joined with pins. When the rod is extended, the rod body extends and retracts while maintaining the upright state of the spoiler, and the rod is contracted.
A spoiler mounting structure for a gate, characterized in that the spoiler falls down.