KR20100119221A - Winch apparatus for hydraulic floodgate - Google Patents

Abstract

PURPOSE: A winding device for a hydraulic floodgate is provided to stop a floodgate at a desired height without using an additional hydraulic cylinder and to prevent the floodgate from being descended by the weight of the floodgate. CONSTITUTION: A winding device for a hydraulic floodgate comprises a link member(100) and a guide member. The link member is rotatably installed on the side surface of a floodgate(30). Slots are longitudinally formed in the link member. The end of a piston rod of a cylinder unit(20) is coupled to the link member. The guide member is composed of a rotation unit and a guide unit. The rotation unit is rotatably installed in one end of the link member. The guide unit is separated from the floodgate and is coupled to the rotation unit.

Description

Winch Apparatus for Hydraulic Floodgate

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lifting device for a hydraulic hydrogate, and more particularly, to a technique for effectively preventing the descending by its own weight when the hydrology stops at a certain height.

In general, the dams and reservoirs of rivers or rivers are provided with a sluice for the storage and discharge of water resources, and a lifting device for opening and closing the sluice in the upper and lower directions is installed at the top of the sluice.

Usually, the hoisting device is a manual method which is operated by hand, and the electric system which uses a drive motor is widely used.

Electric hoisting device has been exposed to the outside for a long time and has a limitation in use due to frequent breakdowns of the driving motor. Especially, the driving motor is powered by a structure that must be supplied with electricity. In order to install additional poles and power facilities, it is not only cumbersome to install, but also has a disadvantage of increasing installation costs. In addition, the driving motor is not available in bad weather and power outages, so the use efficiency and the range of use of the hoisting device have to be extremely limited.

Therefore, the structure is simple and easy to maintain and the lifting device that can open and close the water gate efficiently is applied, one of them is a hydraulic lifting device.

However, in the case of the conventional hydraulic hoisting device, when stopping the water gate at a desired height, there is a problem that it descends by the weight of the water gate, so that accurate water quantity adjustment becomes difficult. Of course, the locking device can be applied to stop at a desired height, but this has the disadvantage that a number of hydraulic cylinders must be additionally used.

In addition, in some cases, the hydraulic cylinder is damaged without overcoming the weight of the floodgate, and a large amount of oil is discharged from the inside of the hydraulic cylinder to contaminate the environment.

Accordingly, it is an object of the present invention to provide a hydraulic hydro-winding device capable of stopping a hydro gate at a desired height without using an additional hydraulic cylinder in addition to the lifting hydraulic cylinder.

Another object of the present invention is to provide a hydraulic hydro-winding device that can prevent the fall of the self-weight when stopped at the desired height.

The above object is, the side of the sluice is installed to be inclined rotatably, the slot is formed in the inclined direction, the link member coupled to the end of the piston rod to be movable along the slot; And a guide member rotatably installed at one end of the link member and a guide unit spaced apart from the water gate corresponding to the rotation unit and coupled to the rotation unit, wherein the center point of rotation of the link member includes: Displaced from the side vertical centerline of the sluice, the other end of the link member is achieved by a hydraulic slubbing device that projects to the other side of the sluice.

Preferably, the slot is divided in half with respect to the vertical line from the center of rotation in the oblique direction.

In addition, the link member may be rotatably coupled to the bracket fixed to the side of the water gate through a bracket pin.

Preferably, an expansion spring is interposed between one end of the link member and the side surface of the water gate so that the link member may be pressed by the expansion spring.

Preferably, the rotating unit is a sprocket, and the guide unit is a rack bar.

According to the above structure, even if the gate stops at an arbitrary position, since the rotation moment applied to the plate attached to the gate is substantially in close contact with the structure at both ends of the plate, it is possible to effectively prevent the fall due to its own weight.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention;

1 is a perspective view showing a hoisting apparatus according to an embodiment of the present invention, Figure 2 is a side view, Figure 3 is a plan view from above.

As shown, the structure 10 having guide grooves 12 for guiding the lifting and lowering of the water gate 30 is installed on both sides of the water gate 30 made of steel or concrete. The structure 10 may be a concrete material or an iron material installed on the concrete.

The support member 23 is fixedly installed on the upper portion of the structure 10, and the cylinder unit 20 is rotatably installed on the support member 23. That is, one end of the cylinder 21 of the cylinder unit 20 is rotatably coupled to the support member 23, and the piston rod 22 extending from the inside of the cylinder 21 is a link provided at the side of the water gate 30. Coupling with the member (100).

According to this configuration, as the piston rod 22 of the cylinder unit 20 performs the lifting operation by hydraulic pressure, the water gate 30 is lifted and raised through the link member 100 coupled to the piston rod 22.

EMBODIMENT OF THE INVENTION Hereinafter, each part which comprises the hoisting apparatus of the hydraulic sluice of this invention is demonstrated concretely.

Link member (100)

Link member 100 is composed of a single plate 110, the slot 112 is formed along the longitudinal direction. In this embodiment, the single plate 110 is taken as an example, but various modifications such as double plates arranged at regular intervals may be applied.

The plate 110 is installed to be inclined at a predetermined angle with respect to an imaginary horizontal line formed on the side of the sluice 30, and is rotatably installed with the rotation center point P at a position displaced by a certain distance with respect to the imaginary vertical center line GL. Here, the term "rotable" means that the both ends of the plate 110 are limited in rotation by the structure 10, and thus slightly flow in the clockwise B or counterclockwise A. FIG.

Preferably, the rotational center point P may be set such that the virtual vertical line PL perpendicular to the plate 110 through the rotational center point P of the plate 110 divides the slot 112, preferably half-divided.

One end of the plate 110, the sprocket 140, which will be described later, is rotatably installed, and the other end is extended beyond the water gate 30 to selectively contact the structure 10. Preferably, the other end of the plate 110 is composed of a vertical surface 114 in contact with the structure 10 and a curved surface 115 connected to the vertical surface 114 to smoothly rotate when the plate 110 rotates counterclockwise. Can be done.

A locking pin 24 is fitted into the slot 112, and the locking pin 24 is coupled to the end of the piston rod 22 of the cylinder unit 20, so that the piston rod 22 opens the slot 112. You can move along.

The center of rotation of the plate 110 is rotatably fixed to the side of the sluice 30 through the bracket pin 122, or through the bracket pin 122 to the bracket 120 fixed to the side of the sluice 30 It can be fixed rotatably.

Rack  Bar 40 and Sprocket 140

As described above, the sprocket 140 is rotatably installed at one end of the plate 110, and a rack bar 40 is installed at the structure 10 corresponding to the sprocket 140.

Thus, when the water gate 30 is raised or lowered, the sprocket 140 is geared to rotate with the rack bar 40 to guide the water gate 30 to rise or fall stably.

In this embodiment, the sprocket 140 and the rack bar 40 as the guide member as an example, but is not limited to this, of course, other structures having a guide function can be applied.

Expansion Spring (130)

Optionally, an expansion spring 130 is interposed between one end of the plate 110 and the side of the water gate 30 so that the plate 110 is always pressed by the expansion spring 130.

According to this structure, since the plate 110 is pressed by the expansion spring 130, a rotation moment in the clockwise direction B is generated so that the brake operation of the plate 110 is made more reliable.

Hereinafter, the operation of the hydraulic hydrowinding device having the above structure will be described.

(1) When the floodgates rise

When the piston rod 22 is raised by controlling the oil supplied to the cylinder 21 to raise the water gate 30, the engaging pin 24-the plate 110-the bracket pin ( 122)-As the load of the water gate 30 is applied through the bracket 120, the water gate 30 is raised.

At this time, while the plate 110 rotates counterclockwise A based on the rotation center point P, the end vertical surface 114 that is in contact with the structure 10 falls from the structure 10, as described above, the end curved surface 115. By the edge of the plate 110 can be smoothly rotated without catching the structure (10).

Since the sprocket 140 rises in gear engagement with the rack bar 40 while the water gate 30 is raised, as a result, the water gate 30 is supported by two points by the piston rod 22 and the rack bar 40. It can rise stably by.

(2) When the flood gates stop

When the water gate 30 rises and reaches a desired position, the hydraulic gate is controlled to stop the water gate 30.

At this time, the force is applied in the vertical direction by the weight of the water gate 30, the rotation center point P of the plate 110 is displaced from the virtual vertical center line GL of the water gate and the sprocket 140 at one end of the plate 110 Since it is in a gear-coupling state to the rack bar 40, as a result, the rotation moment in the clockwise direction B is applied based on the rotation center point P by the two-point support.

Accordingly, the end vertical surface 114 of the plate 110 is in close contact with the structure 10 to prevent the drop of the water gate (30). This state lasts as long as the rotation moment in the clockwise direction B is applied to the plate 110 about the rotation center point P.

(3) When the floodgate descends

As the piston rod 22 is pressed downward by the hydraulic control, the engaging pin 24 coupled to the end of the piston rod 22 moves along the slot 112 of the plate 110. That is, since the slot 112 is formed to be inclined at a predetermined angle with respect to the horizontal level of the sluice 30, when the piston rod 22 is pressed, it is naturally moved along the slot 112.

As described above, since the virtual vertical line PL passing through the center of rotation P and perpendicular to the plate 110 is configured to divide the slot 112, the piston rod 22 moved to the end of the slot 112 is plate 110. By the force applied to), the gate 30 descends vertically, and at the same time, the rotation moment is counterclockwise A. Accordingly, the end vertical surface 114 of the plate 110 can be lowered while maintaining a state away from the structure 10, thereby making a smooth fall.

As described above, according to the present invention, even if the gate stops at an arbitrary position, since the rotation moment applied to the plate attached to the gate substantially adheres to the structure at both ends of the plate, it is possible to effectively prevent the fall due to its own weight.

In the above description, the embodiment of the present invention has been described, but various changes can be made in the level of those skilled in the art. Therefore, the scope of the present invention should not be construed as being limited to the above embodiment, but should be interpreted by the claims described below.

1 is a perspective view showing a hoisting apparatus according to an embodiment of the present invention.

2 is a side view of FIG. 1.

3 is a plan view of FIG. 1 from above.

Claims (5)

A link member installed to be inclined rotatably on the side of the water gate, having a slot formed in an inclined direction, and having an end portion of the piston rod coupled to the slot so as to be movable along the slot; And And a guide member configured to be rotatably installed at one end of the link member, and a guide unit spaced apart from the water gate corresponding to the rotary unit and coupled to the rotary unit. The rotation center point of the link member is displaced from the side vertical center line of the water gate, the other end of the hydraulic member of the hydraulic door, characterized in that protruding to the other side of the water gate. The method according to claim 1, And the slot is divided in half on the basis of a vertical line from the rotation center point with respect to the inclined direction. The method according to claim 1, The link member is a hydraulic hydro-winding device, characterized in that rotatably coupled to the bracket fixed to the side of the sluice via a bracket pin. The method according to claim 1, An expansion spring is interposed between one end of the link member and the side of the water gate so that the link member is pressurized by the expansion spring. The method according to claim 1, The rotating unit is a sprocket, the guide unit is a hydraulic hydropull the lifting device, characterized in that the rack bar.

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