JP2023096725A - Water gate open/close device - Google Patents

Abstract

To provide a water gate open/close device allowing position adjustment of a stopper to be easily carried out at the installation site.SOLUTION: A water gate open/close device 10 of which a driving unit 11 to generate force to make a door body D rise is fixed on a cradle S, being provided with: a halt hook 12 rotatably attached on the cradle S to stop the door body D at a stop position by engaging a suspension tool 18 fixed on the door body D; a stopper 13 attached on an upper part of the cradle S and locating the halt hook 12 at a position where the suspension tool 18 rising together with the door body D contacts with the halt hook 12.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a water gate opening/closing device for raising and lowering a gate body of a water gate.

Water gates for waterways, rivers, and the like are provided with water gate opening/closing devices for raising and lowering gate bodies. In the water gate opening and closing device, in order to prevent the door body from falling due to its own weight during inspection, etc., as described in Patent Document 1, a hanging tool (stopping tool) provided at the top of the door body (gate body) The stop hook (hanger) is engaged with the hanging tool to fix the door. As shown in FIG. 6, the stop hook 100 is freely rotatable on a frame 103 (a weir beam in Patent Document 1) to which a drive unit 102 that raises the door 101 by winding up the chain or pulling up the ladder is fixed. attached to the

As shown in FIGS. 7A and 7B, the hanger 104 rises together with the door 101 from directly below the resting hook 100 and contacts the inclined portion 105 formed on the resting hook 100 . As shown in FIG. 7(C), the resting hook 100 rotates counterclockwise due to the force given by the lifting tool 104 which rises while in contact with the inclined portion 105 . When the hanger 104 rises to a position higher than the tip of the inclined portion 105, the contact between the hanger 104 and the resting hook 100 is released.

As a result, the dormant hook 100 rotates clockwise due to its own weight, the tip of the dormant hook 100 is inserted into the locking hole of the hanger 104, and the hanger 104 tilts as shown in FIG. 7(D). Above the portion 105 the dormant hook 100 is contacted. When the hanger 104 descends together with the door 101 from this state, the resting hook 100 is engaged with the hanger 104 as shown in FIG. 7(E).

Here, the stopper 106 positions the dormant hook 100 at the reference position where the sling 104 rising from directly below the dormant hook 100 comes into contact with the inclined portion 105, as shown in FIG. 8(A). The stop hook 100 is designed to stop at a position rotated clockwise from the reference position by its own weight, as shown in FIG. 8B, if the stopper 106 is not provided. By designing the dormant hook 100 in this way and providing the stopper 106, the dormant hook 100 that is not in contact with the sling 104 is reliably brought into contact with the stopper 106 and arranged at the reference position.

Japanese Utility Model No. 57-197523

However, conventionally, as shown in FIG. 6, the stopper 106 was attached to the gantry 103 so as to protrude downward from the gantry 103. Therefore, the gantry 103 with the stopper 106 attached thereto was transported to the installation site of the water gate operator 101. When doing so, it is not only necessary to take care in transportation such as not to apply the load of the pedestal 103 to the stopper 106, but also it is not easy to adjust the position of the stopper 106 at the installation site. There was a problem.
SUMMARY OF THE INVENTION It is an object of the present invention to provide a water gate opening/closing device that facilitates the position adjustment of the stopper at the installation site.

A water gate opening/closing device according to the present invention in accordance with the above object is a water gate opening/closing device in which a drive unit for generating a force for raising a door body is fixed to a pedestal, wherein the drive unit is rotatably attached to the pedestal and fixed to the door body. a resting hook that locks the suspended sling to hold the door at a resting position; and the resting hook that is attached to the upper part of the pedestal and is located at a position where the sling that rises together with the door comes into contact with the resting hook. and a stopper that positions the

The water gate opening/closing device according to the present invention is provided with a stopper that is attached to the upper part of the pedestal and that positions the dormant hook at a position where the sling that rises together with the door contacts the dormant hook. It is possible to easily perform the position adjustment.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an explanatory diagram of a water gate opening/closing device according to an embodiment of the present invention; It is explanatory drawing of the water gate opening-and-closing apparatus. (A) and (B) are a side view and a plan view of the stopper, respectively. (A) to (E) are explanatory diagrams showing the flow of locking the resting hook to the sling. (A) to (C) are explanatory diagrams showing the flow of releasing the state in which the stop hook is engaged with the hanger to enable the door body to be lowered. It is explanatory drawing of the flood gate switch|opening-closing apparatus based on a conventional example. (A) to (E) are explanatory diagrams showing the flow of locking a conventional idle hook to a sling. (A) and (B) are respectively explanatory diagrams showing the influence of the presence or absence of a stopper on a resting hook.

Next, specific embodiments of the present invention will be described with reference to the attached drawings for better understanding of the present invention.
As shown in FIGS. 1 and 2, a water gate opening and closing device 10 according to an embodiment of the present invention is a device in which a drive unit 11 that generates a force for raising a door D is fixed to a pedestal S, A pause hook 12 for holding the door D at a rest position and a stopper 13 for positioning the rest hook 12 are provided.

As shown in FIGS. 1 and 2, the drive unit 11 included in the water gate opening/closing device 10 has a drum 15 around which a wire 14 is wound, and a motor (not shown) that operates to apply a rotational force to the drum 15. It is fixed to a frame S made of a plurality of steel materials. In addition, in FIG. 2, description of a part of the mount S is abbreviate|omitted. One end of the wire 14 is fixed to the drum 15, the area hanging from the drum 15 is stretched over a pulley 16 rotatably provided on the upper part of the door D, and the other end is a fastener 17 attached to the frame S. connected to

On the upper part of the door D, an inverted U-shaped (upside down U) hanger 18 having a through hole (locking hole) is fixed.
When the wire 14 is sent out from the drum 15, the door D descends together with the pulley 16 and the hanger 18, and when the wire 14 is wound around the drum 15, the door D rises together with the pulley 16 and the hanger 18. .

The stop hook 12 is an elongated body made of metal, and one side end (upper end) is rotatably attached to the frame S by a shaft member 19, and is arranged at a position overlapping the hanger 18 in plan view. It is The resting hook 12 is arranged vertically, and the other side end (lower side end) is formed in a hook shape so as to be able to be engaged with the hanger 18 . An extension member 21 having a convex portion 20 projecting upward from the pedestal S is fixed to one end of the resting hook 12 . In the present embodiment, the extension member 21 is a metal plate, and fixed to the extension member 21 is a front end portion of an arm 23 whose base end portion is connected to a linear jack 22 fixed to the pedestal S. It is

A manual handle 24 is attached to the linear jack 22 to operate the linear jack 22 by turning operation by an operator. When the linear jack 22 is actuated, the force of the linear jack 22 is applied to the extension member 21 via the arm 23, causing the dormant hook 12 and the extension member 21 to rotate about the shaft member 19. As shown in FIG.
As shown in FIGS. 1, 3(A) and 3(B), a stopper 13 is attached to the upper portion of the pedestal S to abut on the extended member 21 to position the resting hook 12. As shown in FIGS.

As shown in FIGS. 3A and 3B, the stopper 13 has a base member 26 formed with a plurality of (four in this embodiment) elongated holes 25 and an abutting member 21 that contacts the extended member 21 . It has a portion 28 and is attached to the top of the pedestal S. The base member 26 is made of a U-shaped plate material when viewed from the side. 31 is provided. In the present embodiment, with respect to the bottom plate portion 29, the side on which the side wall portion 30 is provided is the front side, and the side on which the side wall portion 31 is provided is the rear side.

A reinforcing plate 32 is provided between the side wall portions 30 and 31 , and the contact portion 28 is fixed to the side wall portion 30 . A standing member 27 is fixed to the upper portion of the pedestal S behind the stopper 13 so as to face the side wall portion 31. A plurality of (two in this embodiment) screw members 33 each having a head are fixed. It is attached to the erecting member 27 while penetrating the erecting member 27 . A head portion of each screw member 33 is arranged between the standing member 27 and the side wall portion 31 , and a nut 34 is attached to a region on the front side of the standing member 27 of each screw member 33 .

A plurality (four in this embodiment) of screw holes (not shown) are provided in the upper part of the base S, and screw members 35 passing through the long holes 25 are attached to the respective screw holes. Each long hole 25 is elongated in the front-rear direction, and each screw member 35 is loosened so that the position of the base member 26 (stopper 13) can be adjusted with respect to the pedestal S. Fixed.
As shown in FIG. 4(A), the base member 26 is positioned directly above the hanger 18 arranged below the dormant hook 12. The inclined portion 36 is formed on the other side end of the dormant hook 12 and rises forward. must be positioned so that Hereinafter, the position of the dormant hook 12 at which the inclined portion 36 is arranged directly above the hanger 18 arranged below the dormant hook 12 is referred to as the reference position.

Positioning of the stop hook 12 to the reference position by the stopper 13 is performed by the following procedures (1) and (2).
(1) First, as shown in FIGS. 3(A), 3(B), and 4(A), with the resting hook 12 arranged at the reference position, the rear side of the projection 20 of the extension member 21 is The base member 26 is fixed by the screw member 35 at the position where the contact portion 28 contacts.

(2) Next, the screw member 33 is arranged so that the head portion of the screw member 33 is in contact with the rear side of the side wall portion 31 of the fixed base member 26 (adjusting the position of the screw member 33 with respect to the standing member 27). ), and adjust the attachment position of the nut 34 to the screw member 33 so that the nut 34 contacts the front side of the standing member 27 .

The dormant hook 12 and the extension member 21 are arranged so that the dormant hook 12 arranged at the reference position rotates clockwise due to its own weight without the stopper (that is, the extension member 21 faces backward toward the contact portion 28 of the stopper 13). By fixing the base member 26 in a position where the abutment 28 contacts the rear side of the protrusion 20 of the extension member 21, the resting hook 12 is brought to the reference position. is positioned with

In addition, the resting hook 12 is brought into a state in which the sling 18 is locked by steps (a) to (d) described below.
(a) As shown in FIGS. 4A and 4B, the hanger 18 arranged at the lower position of the resting hook 12 is lifted together with the door D which is lifted by the forward rotation of the motor of the drive unit 11. , touch the ramp 36 of the resting hook 12 arranged in the reference position. Therefore, the stopper 13 abuts on the convex portion 20 and positions the resting hook 12 at a position where the suspender 18 rising together with the door D comes into contact with the resting hook 12 .

(b) As shown in FIG. 4(C), the sling 18 is lifted in contact with the inclined portion 36 to apply force to the dormant hook 12 to rotate the dormant hook 12 counterclockwise. As a result, the extension member 21 is brought out of contact with the stopper 13 .

(c) As shown in FIG. 4(D), the sling 18 rises to a position higher than the tip of the inclined portion 36, so that contact with the resting hook 12 is released, and the resting hook 12 is pulled out of the clock by its own weight. As the locking hook 12 rotates around, the tip of the locking hook 12 is inserted into the through hole of the hanger 18 , and the hanger 18 comes into contact with the resting hook 12 above the inclined portion 36 . come into contact with At this time, the screw member 33 , the nut 34 and the standing member 27 prevent the base member 26 from moving backward due to the force acting on the contact portion 28 from the convex portion 20 .

(d) After stopping the motor of the drive unit 11, it is reversed to lower the hanger 18 together with the door D, and as shown in FIG. , the motor of the drive unit 11 is stopped. The position of the door D in which the resting hook 12 is engaged with the hanger 18 is defined as the resting position. Therefore, the resting hook 12 engages the hanger 18 to hold the door D at the resting position.

By steps (e) and (f) described below, the state in which the suspending hook 12 locks the hanger 18 is changed to a state in which the door D can be lowered.
(e) Rotate the motor of the drive unit 11 forward to raise the lifting device 18 together with the door D as shown in FIGS. release the state.
(f) After the motor of the drive unit 11 is stopped, the linear jack 22 is operated by rotating the manual handle 24 to rotate the stop hook 12 counterclockwise around the shaft member 19, and the door D is It is set in a state in which it can be lowered together with the hanging tool 18. - 特許庁

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and all modifications of conditions that do not deviate from the gist of the present invention are within the scope of the present invention.
For example, the stopper may be fixed to the pedestal by a member other than the screw member.
Also, the extension member is not necessarily required. For example, a support member that rotatably supports the dormant hook is provided on the upper part of the pedestal so that a partial area of the dormant hook is positioned higher than the pedestal, and the stopper is brought into contact with the area of the dormant hook. , there is no need to use an extension member.

Then, the counterclockwise rotation of the stop hook can be performed using a mechanism other than the linear jack (for example, a manual winch or a manual lever).
Furthermore, instead of adopting a drive unit that raises and lowers the door by winding up and lowering a wire, a drive unit that raises and lowers the door by raising and lowering a ladder may be used.

10: Flood gate operator, 11: Drive unit, 12: Resting hook, 13: Stopper, 14: Wire, 15: Drum, 16: Pulley, 17: Fastener, 18: Hanging tool, 19: Shaft, 20: Convex Part 21: Extension member 22: Linear jack 23: Arm 24: Manual handle 25: Elongated hole 26: Base member 27: Standing member 28: Contact portion 29: Bottom plate portion 30 , 31: side wall portion, 32: reinforcing plate, 33: screw member, 34: nut, 35: screw member, 36: inclined portion, D: door body, S: pedestal

Claims (3)

In a water gate opening and closing device in which a drive unit that generates a force to raise a gate is fixed to a pedestal,
a resting hook rotatably attached to the pedestal for locking the hanger fixed to the door body to hold the door body at a resting position;
A water gate opening/closing device, comprising a stopper mounted on the upper part of the pedestal and positioning the dormant hook at a position where the hanger, which rises together with the door body, contacts the dormant hook. 2. The water gate opening and closing device according to claim 1, wherein an extension member having a projection projecting upward from the base is fixed to the dormant hook, and the stopper abuts against the projection to move the dormant hook. A sluice gate opening and closing device characterized by positioning. 3. The water gate operator according to claim 1, wherein the position of said stopper can be adjusted with respect to said base by loosening a screw member fixing said stopper to said base.

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