KR100761887B1 - Assistance device for floodgate-opening and shutting - Google Patents

Abstract

An assistance device for opening and closing a floodgate is provided to lift the floodgate with fewer loads by inclining a rudder plate, installed to the lower part of the floodgate, to the discharge side when opening the floodgate. An assistance device for opening and closing a floodgate(10) comprises a main shaft(11), a rudder plate(12), a drive unit(14), a chain(17), a deceleration gear unit(18), a motor(19), and a motor control unit(20). The main shaft is parallel to the bottom side of the floodgate in the bottom of the flood gate. The rudder plate(12) protrudes toward the bottom of the floodgate from the main shaft and inclines toward discharge side of water. The drive unit has a gear unit(13), a drive gear(15), a transmission gear(16). The gear unit is mounted onto the top of the rudder plate. The drive gear is interlocked with the gear unit. The transmission gear is mounted on the same shaft with the drive gear. The chain is installed in the floodgate to transmit drive force to the transmission gear. The deceleration gear unit is located on the top of the floodgate to transmit drive force to the chain. The motor feeds drive force to the deceleration gear unit. The motor control unit controls rotation torque and forward and backward rotation of the motor.

Description

Assistance Device for floodgate-opening and shutting.

1 is an exploded perspective view showing a hydrological opening and closing device according to an embodiment of the present invention.

Figure 2 is a perspective view showing a limit switch of the hydrological opening and closing device according to an embodiment of the present invention.

3 is a cross-sectional view of the hydrological opening and closing device according to an embodiment of the present invention.

<Description of Symbols for Major Parts of Drawings>

10: sluice 11: spindle

12: keypad 13: gear unit

14: drive unit 15: drive gear

16: Transmission Gear 17: Chain

18: reduction gear unit 19: electric motor

20: motor control unit 21: pin

22: first limit switch 23: second limit switch

30: watertight part 40: cover

41: ventilator 42: childs

100: hydrological opening and closing device

The present invention relates to a hydrological opening and closing device, and more specifically, to the lower end of the hydrological gate having a key plate inclined toward the discharge side, when lifting the water gate for drainage discharge, the lifting force is generated by the flow of water in the inclined key plate. The present invention relates to a hydrological opening and closing device that can reduce a load.

The electrification of the hydrological switchgear for reducing the hydrological management of rivers, dikes and dams is an essential factor for the efficient management of facilities. However, most of the electric sluice gates are designed to have an excessive weight and consume a lot of power to operate them.

In order to solve these problems, the watergate is made lighter by improving the material of the water gate, and thus, the size of the driving device is reduced, and thus, the research is being conducted to open and close the power by the small power. Development of resolvable hydrologic is underway, but there are no achievements yet.

The present invention has been made to solve the above problems, the object of the present invention is to tilt the keypad installed on the lower end of the water gate when opening the water gate to lift the water through the flow of water generated by the flow of water, so It is to provide a hydrological opening and closing device to reduce the load.

In order to achieve the above object, the present invention is a hydrological opening and closing device,

In the sluice gate (10) installed in a river, a dike or a dam to control the water level,

A main shaft 11 configured to be parallel to the underside of the sluice 10 inside the sluice bottom part,

A key plate 12 installed at the main shaft 11 and formed to protrude downward from the sluice 10 and configured to be inclined toward the discharged water;

A gear part 13 formed on the key plate 12, a drive gear 15 provided to correspond to the gear part 13, and a transmission gear 16 installed on the same axis as the drive gear 15. The drive unit 14 is configured,

A chain 17 installed through the water gate 10 to transmit power to the transmission gear 16;

A reduction gear unit 18 positioned above the sluice 10 to transmit power to the chain 17;

An electric motor 19 for supplying power to the reduction gear unit 18;

It consists of a motor control unit 20 that can adjust the rotation torque value and the forward and reverse rotation of the electric motor (19).

In addition, the pin 21 provided on one side of the chain 17, the first limit switch 22 located above the pin 21, and the second limit switch 23 located below the pin 21. The motor control unit 20 is electrically connected to the first limit switch 22 and the second limit switch 23 to move the pin 21 by the rotation of the chain 17. The first limit switch 22 or the second limit switch 23 is characterized in that it is set to stop the rotation of the motor when operating.

In addition, the water gate 10 is installed inside the lower end portion is characterized in that it further comprises a water-tight portion 30 of the lignumbitae (Lignumbitae) material for maintaining the watertight contact with the key plate 12.

In addition, an opening and closing sensor unit (not shown) which detects the opening and closing of the water gate 10 and sends a signal to the motor control unit 20 is further configured, and the motor control unit 20 is the opening and closing sensor when the water gate 10 is opened. Receiving a signal from the unit (not shown), the electric motor 19 is rotated forward to incline the key board 12, and when the gate is closed, the electric motor 19 is reversed to restore the key board 12 to the vertical state. Characterized in that set.

In addition, the floodgate 10 is configured to further include a cover 40 which protects the electric motor 19, the reduction gear unit 18, and the chain 17 and is provided with a plurality of ventilation holes 41 on the side. , The ventilation hole 41 is characterized in that the awning 42 is formed to be configured to prevent the inflow of water into the cover 40 in the rain.

Hereinafter, with reference to the accompanying drawings, the structure according to an embodiment of the hydrological opening and closing aid according to the present invention will be described in detail.

1 is an exploded perspective view showing a hydrological opening and closing device according to an embodiment of the present invention.

Figure 2 is a perspective view showing a limit switch of the hydrological opening and closing device according to an embodiment of the present invention.

3 is a cross-sectional view of the hydrological opening and closing device according to an embodiment of the present invention.

As shown in FIG. 1, the hydrological opening and closing aid 100 according to the present invention includes a key plate 12, which may be a feature of the present invention, at the lower end of the hydrological gate.

Looking at the configuration for the key plate 12, the main shaft 11 is installed in parallel to the bottom side of the water gate 10 inside the lower end of the water gate, and the key plate 12 is installed on the main shaft, but drained around the main shaft 11 Configure to tilt to the side. To this end, the key plate 12 has a shape in which the plate is joined to be eccentrically rotated about the main shaft 11 and eccentrically from the longitudinal center of the circular shape to the reservoir side when viewed in cross section. In the present invention, the keypad 12 is preferably configured to be inclined to 45 degrees to the drain side in the vertical state.

In addition, a gear portion 13 is formed on the upper portion of the keypad 12, the gear portion 13 is configured to rotate the key plate 12 to the maximum angle that can be inclined to the drain side in the vertical state.

On the upper part of the keypad 12, a driving unit 14 is installed so as to correspond to the gear unit 13 of the keypad 12, and the driving unit 14 is a driving gear 15 in contact with the gear unit 13 of the keypad 12. And a transmission gear 16 positioned coaxially with the drive gear 15 and receiving power from the chain 17.

The chain 17 for transmitting power to the drive unit 14 is preferably installed through the inside of the water gate 10, it is preferable to use a roller chain used for general power transmission.

The reduction gear unit 18 that transmits power to the chain 17 is installed on the upper side of the water gate 10, and when the electric motor 19 is stopped, the key board 12 should not move by external force. The fisherman 18 preferably uses a worm gear reduction gear having a high deceleration ratio and strong external force.

The reduction gear unit 18 is provided with an electric motor 19 for supplying power to the reduction gear unit 18. On the power input side of the electric motor 19, the rotational torque value of the electric motor 19 can be set in advance. The motor control unit 20 to control the rotation is installed to prevent the motor from being damaged due to overload in case of device failure.

In addition, since the rotation angle of the key board 12 is limited, the pin 21 protrudes on one side of the chain 17 to prevent the key board 12 from being excessively rotated to damage the device. And the first limit switch 22 and the second limit switch 23 on the upper side and the lower side of the pin 21 so as to be operated by the pin 21 at the limit position of the keypad, respectively. The motor control unit 20 electrically connected to the first limit switch 22 or the second limit switch 23 is set to stop the motor rotation when a signal is input from the first limit switch 22 or the second limit switch 23. do.

In order to prevent leakage through the gap generated between the water gate 10 and the key board 12, the watertight portion 30 made of Lignumbitae material is in contact with the key plate 12 at the inner reservoir side of the lower part of the water gate 10. Is formed. The lignum bite contains oil to reduce the friction between the watertight part 30 and the key plate 12 by lubricating when the keypad 12 is rotated, and the watertight part 30 is located at the water gate 10. Since it is always in contact with the water can be expected to cool the heat generated by the friction between the water-tight portion 30 and the keypad 12.

In order to efficiently operate the key board 12, an opening / closing sensor unit (not shown) which detects the gate opening and closing and sends a signal according to the gate opening and closing to the motor control unit 20 is further configured in the gate opening and closing device, and the motor control unit 20 is When the water gate 10 is opened, it is preferable that the motor rotates forward to tilt the key plate 12, and when the water gate 10 is closed, the motor is reversed to set the key plate 12 to be restored to a vertical state.

In addition, by checking the detection signal of the opening and closing sensor unit at a remote location, it is configured to transmit a remote control signal to the motor control unit in accordance with the detection signal is configured to easily operate the opening and closing of the water gate at a remote location.

Since the remote control means and control methods are well known to those skilled in the art, a detailed description thereof will be omitted.

In addition, the upper part of the gate 10 further includes a cover 40 having a plurality of ventilation holes 41 on the side to protect the electric motor 19, the reduction gear part 18, and the chain 17. It is configured to protect the device, and the ventilation hole 41 is formed in each of the awnings 42 are configured to effectively prevent the inflow of water from the outside.

Hereinafter, an operation according to an embodiment of the hydrological opening and closing assisting device 100 of the present invention will be described.

When the water gate 10 is normally closed and the water is locked up, the key board 12 is kept vertical, and watertightness is also maintained.

When the water gate 10 is opened by an operation of the water gate manager, the opening / closing sensor unit (not shown) located on the side of the water gate opening device recognizes this and sends a signal to the motor control unit 20 and immediately receives the signal. Operates the electric motor (19).

The reduction gear unit 18 receives power from the electric motor 19 to reduce the number of revolutions at a constant rate to transmit power to the chain 17, and the chain 17 transmits power to the transmission gear 16. By rotating the drive gear 15 coaxially with the gear 16, the key board 12 having the gear portion 13 engaged with the drive gear 15 is tilted.

Lifting force is generated in the inclined key board 12 by the flow of water, so that the entire water gate 10 to which the key board 12 is connected is pushed upward, thereby reducing the load of the water lock device.

When the key plate 12 reaches the limit angle, the pin 21 protruding on one side of the chain 17 presses the second limit switch 23 and receives the signal from the second limit switch 23. Immediately stops the electric motor 19.

On the contrary, when the water gate 10 is closed by the operation of the water gate manager, the open / close sensor unit (not shown) connected to the water gate opening device recognizes this and sends a signal to the motor control unit 20 and immediately receives the signal. The control unit 20 operates the electric motor 19 in the reverse direction.

The reduction gear unit 18 receives power in the reverse direction from the electric motor 19 to reduce the number of revolutions at a constant rate to transmit power to the chain 17, and the chain 17 transmits power to the transmission gear 16. By rotating the drive gear 15 coaxially with the transmission gear 16, the key plate 12 having the gear portion 13 engaged with the drive gear is restored to its original position.

When the keypad 12 reaches the vertical position, the pin 21 protruding on one side of the chain 17 presses the first limit switch 22 and receives the signal from the first limit switch 22. Immediately stops the motor.

The role of the first limit switch 22 and the second limit switch 23 described above is described as an embodiment, and the role of the first limit switch 22 and the second limit switch 23 is changed according to the installation position. It can be obvious.

The configuration and operation as described above are not limited to the claims of the present invention as an embodiment, and various changes and modifications are possible within the scope of not changing the technical spirit of the present invention. It is obvious to those who are engaged.

As described above, by using the hydrological opening and closing device according to the present invention, the key plate at the lower end of the gate is automatically tilted toward the drainage side to generate lift by the flow of water, thereby reducing the load due to the opening of the gate. Miniaturization of the gate can be achieved, and the gate can be opened and closed with a small amount of power.

Claims (5)

In the sluice that is installed in rivers, dikes, dams, A main axis formed parallel to the underside of the floodgate in the lower part of the floodgate, A key plate installed on the main shaft and configured to protrude to the lower side of the sluice and configured to be inclined toward the discharged water; A gear part formed on an upper portion of the keypad; A drive unit comprising a transmission gear installed on the same shaft as the drive gear installed to correspond to the gear unit; A chain installed through the water gate to transmit power to the transmission gear; A reduction gear unit positioned at an upper portion of the sluice to transfer power to the chain; An electric motor for supplying power to the reduction gear; A hydrological opening and closing device comprising a motor control unit for adjusting the rotation torque value and the forward and reverse rotation of the electric motor. The method of claim 1, A pin installed at one side of the chain, A first limit switch located above the pin; It further comprises a second limit switch located on the lower side of the pin, The motor control unit is electrically connected to the first limit switch and the second limit switch is set to stop the motor rotation when the first limit switch or the second limit switch is operated by the movement of the pin by the rotation of the chain. Hydrologic opening and closing aid. The method of claim 1, A hydrological opening and closing device installed on the inner side of the lower part of the water gate further comprises a watertight part made of Lignumbitae material for maintaining watertight contact with the keypad. The method of claim 1, It further comprises an opening and closing sensor unit for detecting the opening and closing of the water gate to send a signal to the motor control unit, The motor control unit receives a signal from the open / close sensor unit when the gate is opened, and the electric motor is rotated forward to tilt the key plate, and when the gate is closed, the key plate is inverted to restore the keypad to a vertical state. Auxiliary device. The method of claim 1, The sluice is, It is configured to further include a cover provided with a plurality of ventilation holes on the side to protect the electric motor, reduction gear and the chain on the top, The ventilation hole is a awning is formed, the hydrological opening and closing assist device, characterized in that configured to prevent the inflow of water into the cover during rain.

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