JPH11229358A - Drive for sluice opening and closing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify the drive of an existing-type or existing sluice opening/ closing device and achieve efficient power transmission and enhancement of serviceability. SOLUTION: This drive includes a removable handle 9d for the operation of opening and closing a sluice door, a rising shaft 9c on which the sluice door is mounted, and a motion converting mechanism converting the torque of the handle 9d into the rising or falling movement of the rising shaft 9c. A sprocket (rotor) 8e serving as a power transmitting element of an electric motor is interposed between the handle 9d and support 9b supporting the rising shaft 9c, in such a way that the sprocket rotates along with the handle. A belt (or chain) 8 a serving as a power transmitting element of the electric motor is wound on the sprocket 8e.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drive device for a water gate switchgear, and more particularly, to a technique of electric drive and a power supply system thereof.

[0002]

2. Description of the Related Art A conventional manual gate switchgear uses a rack-type or screw-type mechanism as an open / close drive mechanism for a heavy gate gate, and opens and closes the gate by rotating a handle. The operation of turning the handle is a rather heavy labor, and various proposals have been made to reduce this work.

[0003] For example, in the water gate switch described in Japanese Patent Application Laid-Open No. 8-74234, an electric motor and an arm (lever) supporting a rotating wheel rotated by the motor are pushed downward, so that the rotating wheel is turned into an outer diameter of a handle. The handle can be rotated by electric power by pressing the
In JP-A-120525, the handle is rotated by an electric force by directly applying an attachment with a locking claw rotated by an electric motor to the handle. In the former case,
The work of pressing the rotating wheel against the steering wheel was required, and the power transmission was sometimes uncertain due to the degree of pressing, etc. In the latter case, the attachment work was required every time the water gate was opened and closed.

[0004] In addition, in the sluice switch described in Japanese Utility Model Laid-Open Publication No. Sho 60-172839, there is disclosed a motor unit having a power take-off shaft which is detachably connected to a handle shaft of a gate hoist and is electrically connected to the handle shaft. However, in this prime mover unit, every time the water gate is opened and closed, it is necessary to mount the equipment on the handle shaft, and the equipment becomes large.

[0005] Further, in a floodgate without a power supply, electrical wiring to an installation location and equipment work such as supply of electric power have been required.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above points, and has been made in view of the simplification of an electric device for a water gate switchgear.
The aim is to improve the efficiency of power transmission and ease of use. In particular, when the drive unit of the existing model or the already installed manual gate locker is electrified, the existing equipment can be used as it is by easily installing the motorized unit. To reduce the burden of installation work,
It is an object of the present invention to provide an electric drive device for a water gate switchgear which can save a great deal of cost for wiring work of a power supply and change of a device.

[0007]

The present invention is basically configured as follows to achieve the above object.

That is, a detachable handle for opening and closing the gate, an elevating shaft to which the gate is attached,
A drive mechanism for a water gate switch including a motion converting mechanism for converting a rotational force of the handle into an elevating operation of the elevating shaft, wherein a power transmission of an electric motor is provided between the handle and a support for supporting the elevating shaft. A rotating body as an element is interposed so as to rotate with the handle.

According to the above structure, in order to electrically operate a manual water gate switch, the detachable handle is once removed, and a rotating body serving as a power transmission element of the motor is mounted, and then the handle is mounted again. Thus, the rotating body is interposed between the handle and the elevating shaft support. For example, by transmitting the power of an electric motor to this rotating body via a belt or a chain, the rotating body serves as a handle instead of the handle. become. Therefore, it is possible to easily electrify the sluice switch for an existing type of sluice switch or an existing sluice.

[0010] In the water gate switch of the embodiment described later,
As shown in FIG. 3A, the elevating shaft indicated by reference numeral 9c is constituted by a screw rod, and a sleeve 9e with a female thread having a nut-shaped polygonal surface on the outer periphery is provided on the screw rod 9c. , 9b are fixed in the axial direction and are rotatably fitted, and a type in which a handle 9d is fitted to the polygonal surface on the outer periphery of the sleeve 9e is exemplified. The rotating body (indicated by reference numeral 8c) receives the torque of the electric motor via a belt (or chain) 8a and rotates.
The inner periphery of the rotating body 8c has a polygonal surface capable of engaging with the sleeve 9e and is fitted to the sleeve 9e together with the handle 9d. Thus, the rotating body 8c rotates with the handle 9d, Handle 9d and lifting shaft support 9
b.

In this type, when the rotating body 8c is rotated (forward rotation, reverse rotation) by the power of the electric motor, the sleeve 9e rotates, whereby the lifting shaft (screw rod) 9c for opening and closing the water gate is raised and lowered.

Further, in addition to the above-mentioned basic structure, the present invention proposes, as an energy source of the sluice switch, a device employing a solar cell or a device having a wireless sluice opening / closing means added. These configurations and operations will be described in the following embodiments of the present invention.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing an electric circuit of an electric drive device for a water gate switchgear according to the present invention. FIG. 2 is an explanatory diagram showing an example of an installation mode of the water gate switchgear and its electric drive device. FIG. 3 (a) is an explanatory view showing a structure near a handle of a water gate switchgear according to a portion, and FIG. 3 (a) is a longitudinal sectional view thereof, and FIG. 3 (b).
Is an exploded perspective view of some parts.

First, an outline of a water gate switchgear and essential points of the present embodiment will be described with reference to FIGS.

As shown in FIG. 2, the sluice switch 9 of the present embodiment is used.
Comprises a detachable handle 9d for opening and closing the gate 9f, and a lifting shaft 9c to which the gate 9f is attached,
Originally, the opening / closing of the water gate door 9f is performed by converting the rotational force of the handle 9d into an elevating operation (a linear reciprocating operation in the vertical direction) of the elevating shaft 9c via a motion converting mechanism described below.

In this mechanical motion converting mechanism, for example, the elevating shaft 9c is constituted by a screw rod, and a nut-shaped polygonal surface 9e 'is provided on the outer periphery of the screw rod 9c as shown in FIG. (Hereinafter, also referred to as a nut portion). The sleeve 9e is provided with elevating shaft supports 9a, 9b.
, But is rotatable. A handle 9d having an inner periphery (the inner periphery of the hub 9d ') on the same polygonal surface as the nut 9e' is fitted in the nut 9e 'of the sleeve 9e so as to be removably engaged.

In the case of the manual method, by manually rotating the handle 9d, the sleeve 9e rotates in a state where the axial direction is restrained, and the rotation of the screw rod 9c is restrained by the lock gate 9f. The screw rod 9c moves up and down according to the rotation direction of the handle 9d,
f rotates.

The supports 9a and 9b of the elevating shaft 9c are joined by bolts 21. At this joint, a sleeve 9e is provided.
The axial direction of the sleeve 9e is fixed (constrained) by sandwiching a flange portion 9e "provided at one end of the sleeve 9e. A nut portion 9e 'of the sleeve 9e projects from the upper support 9b of the support. Handle 9d is hub 9d 'in part 9e'
The sprocket (rotating body) 8c serving as a power transmission element of the electric motor is interposed between the handle 9d and the support 9b in the nut portion 9e in order to make the water gate switch electric. In this way, it is detachably fitted.

As shown in FIG. 3B, the inner periphery of the sprocket 8c has a polygonal surface which engages with the nut portion 9e 'of the sleeve 9e, and the sprocket 8c and the handle 9d are interposed via the sleeve 9e. It is designed to rotate. A toothed belt 8a (or chain) is wound around the sprocket 8c and the sprocket 8b attached to the output shaft of the electric motor (DC motor) 8e shown in FIG.
The rotational force of the motor 8e is transmitted to the sprocket 8c via the belt 8a, and the rotation of the sprocket 8e causes the sleeve 9e to rotate together with the handle 9d, so that the screw rod 9c moves up and down, and the water gate can be opened and closed electrically. .

Inside the first housing 11 shown in FIG. 2, the charger 2, the storage battery 3, and the receiver / electric control unit 7a as shown in FIG. 1 are housed in the electric system for driving the motor 8e. Then, the solar cell 1 is installed on the upper lid of the first housing 11. The upper lid of the first housing 11 has a slope so as to face the passing direction of the sun in order to efficiently take in sunlight. Reference numeral 12 denotes a second housing which houses a motor 8e having a sprocket 8b. The motor drive circuit 8 includes first, second
In one of the housings 11 and 12.

On the driver's cab 20 of the water gate switchgear, support portions 9a and 9b of the screw rod 9c, a motion conversion mechanism (sleeve 9e, sprocket 8c, etc.), a first housing 11, and a second housing 12 are installed. .

Here, an electric system for motorizing a water gate switchgear will be described with reference to FIG.

The solar cell 1 receiving the sunlight converts light energy into electric energy and supplies a current to the charger 2. By this current supply, the charger 2 converts the electric energy into a voltage in a predetermined range and supplies a charging current, so that the storage battery 3 is charged.

The storage battery 3 includes a first overcurrent breaker 4a, a second
A relay 4b, which is electrically connected to a receiver (also a motor control device) 7a containing a control circuit and a memory 7c via an overcurrent breaker 4d, and further changes the rotation direction of the motor.
4c, it is connected to the motor drive circuit 8. The motor 8e driven by the motor drive circuit 8 is connected to the water gate switchgear 9.

The first overcurrent breaker 4a operates and opens when an overcurrent flows when an overload acts on the motor 8e, and the first overcurrent interrupter 4a is used to close the circuit again. A manual return operation of the machine 4a is required.

The second overcurrent breaker 4d functions as a limiter switch for the gate, and the upper limit of the gate is
When the load reaches a lower limit and the load rises to some extent and the current flowing through the motor 8e exceeds a predetermined current value (this predetermined current value is a current value lower than the operating current value of the first overcurrent breaker 4a). The current value is detected by a current sensor, and the electric circuit of the motor is interrupted. However, the motor 8e can be started by re-operation of the remote controller.

The second overcurrent breaker 4d is constituted by a current sensor, and performs the above-described current cutoff function in cooperation with the receiver / motor controller 7a. That is, when the first overcurrent breaker 4a detects that the current value has exceeded the predetermined current value, the first overcurrent breaker 4a sends a detection signal to the control device 7a. Are controlled to be the ground contact B, and the power supply to the motor drive circuit 8 is cut off.

A water gate opening / closing signal is transmitted from the transmitter 7b to the receiver 7a via a cord and wirelessly. That is, the receiver 7a responds to the button operation of the transmitter 7b, and the contact switching control of the relays 4b and 4c is performed through the receiver 7a.

For example, an open signal is transmitted from the transmitter 7b to the receiver 7
a, the relay 4b side is connected to the contact A, and the relay 4c
The side is controlled to switch to the contact point B. In this case, a current in a solid line direction flows through the motor 8e, and the motor rotates in a direction to raise the elevating shaft 9c (this is referred to as forward rotation), and Works in the open direction. When the closing signal is sent from the transmitter 7b to the receiver 7a, the relay 4b is set to the contact B
Meanwhile, the relay 4c side is controlled so as to switch to the contact point A. In this case, a current in the opposite direction (current in the direction of the broken line) flows through the motor 8e, and the motor moves in the direction of lowering the elevating shaft 9c. It rotates (this is called reverse rotation), and the gate operates in the closing direction.

The receiver (control device) 7a is provided in the first housing 11, and the transmitter 7b is remote from the receiver 7a to enable remote control of opening and closing the water gate.

In this embodiment, the setting of the opening of the water gate can be preset using the transmitter 7b and the receiver 7a. This will be described with reference to FIGS. 7 is a plan view of a transmitter 7b, FIG. 8 is a side view thereof, and FIG. 9 is a receiver 7a.
It is a perspective view of.

As shown in FIG. 8, an operation / preset mode changeover switch 7d is provided on the side of the transmitter 7b. As shown in FIG. 9, the receiver 7a has preset registration and reception mode. A switch 7h for switching between is provided.

When the switch 7d is set to the ON position and the receiver 7h is in the reception mode, a current flows through the motor drive circuit 8 while the open button 7e and the close button 7f of the transmitter 7h are kept pressed. Gate opening / closing operation becomes possible.

Set the switch 7d of the transmitter 7b to the preset 7
g, and the switch 7h of the receiver 7a is set to the registration mode, the code string sent from the transmitter 7b (corresponding to the number of pressing the open button 7e and the close button 7f) is transmitted to the receiver 7a. And the code string is transmitted to the receiver 7
a is stored in the memory 7c. For example, in the case of the preset mode, every time the "open" button 7e is pressed once, 2
If an opening of 0 cm can be obtained, pressing it 5 times will give 100
cm is obtained, and the number of times this open button is pressed is registered as a code string in the memory 7c incorporated in the receiver 7a, and the corresponding water gate opening (first opening) is set. .

After the completion of the code string setting, the switch 7d of the transmitter 7b is kept at the preset position 7g,
On the other hand, when the switch 7h of the receiver 7a is positioned on the receiving side, the first wireless transmission code string is automatically transmitted from the transmitter 7b by simply pressing the "open" button 7e once and received. When the device 7a receives the signal, the gate opening / closing device 9 is set to open the required first opening corresponding thereto in advance.

Further, the second opening degree can be preset in the following manner. For example, in a state where the water gate is at the first opening, the preset position 7g is selected by the switch 7d of the transmitter 7b, the switch 7h of the receiver 7a is also positioned in the registration mode, and in this state, the “close” button is pressed. When 7f is pressed an arbitrary number of times, the transmitter 7b transmits a second wireless transmission code string corresponding to the number of times it is pressed to the receiver 7a, and stores this in the memory 7c in the receiver 7a. For example, if the "close" button 7f is closed by 20 cm each time the button is pressed once, a second opening degree obtained by subtracting n × 20 cm from the first opening degree can be obtained by pressing n times an arbitrary number of times.

After the completion of the code string setting, if the selection switch 7d is set to the preset position 7g and the mode of the receiver 8 is set to the reception mode, when the "close" button 7e is pressed once, the above-mentioned operation is started from the transmitter 7b. The second wireless transmission code sequence is sent to the receiver 7a, and when the receiver 7a receives the second wireless transmission code sequence, the water gate switch 9 is controlled so that the second opening degree corresponding thereto is set in advance.

As described above, by transmitting the radio transmission code string from the transmitter 7b to the receiver 7a, various opening degrees can be set in the receiver 7a in advance, and the open / close buttons 7e and 7f of the transmitter 7b are set. The required opening degree can be selected by the one-touch operation of.

According to this configuration, the following effects can be obtained.

In order to electrically operate the manual gate switch, the detachable handle 9d is once removed, the sprocket 8c is fitted to the nut 9e 'of the sleeve 9e, and the handle 9d is attached again. , A sprocket 8c is interposed between the handle 9d and the support 9b.
A belt (or chain) 8a is attached to the sprocket 8c.
The sprocket 8c serves as a substitute for the handle 9d, so that an existing type of gate switch or an existing gate can be easily electrified.

By using the solar cell 1 as a power source, electric wiring to the installation location and the construction thereof are almost unnecessary,
Cost reduction of electrification can be achieved.

Charger 2, storage battery 3, motor control device 7
a is housed in the first housing 11, the solar cell 1 is arranged on the upper lid of this housing, and the second housing 12 is equipped with an electric motor and transmission means, so that the storage battery from the solar cell 1 3
And the mounting of the motor drive circuit 8 to the water gate switch 9 becomes easy. In particular, the size of the entire apparatus is divided and reduced in size, so that the mountability of the apparatus is improved.

Various opening degrees can be set in the receiver 7a in advance by the transmitter 7b. A desired opening degree can be selected by operating the transmitter 7b, and the user can freely set the opening degree. The work of opening and closing the water gate is greatly reduced.

FIG. 4 shows an example of installation of a water gate switchgear 9 having a horizontal handle 9d according to the above embodiment, and FIG.
Any of the installation examples of the water gate switchgear 9 having the vertical handle 9d can be an object of the present invention. In the case of FIG. 5, the elevating shaft 9c and the handle 9d are not coaxial, and the handle shaft (not shown) and the elevating shaft 9c are orthogonal to each other. For example, the rotation of the electric motor is converted into the elevating motion of the elevating shaft 9c. As a mechanism,
A pinion (not shown) is provided on the handle shaft, and the lift shaft 9
For c, a mode in which a rack that meshes with the pinion is provided can be considered. In this case, a sprocket that rotates integrally with the handle shaft is provided with a handle 9 d and a lifting shaft support 9.
By providing between the b, the water gate switch can be electrically operated.

FIG. 6 shows a water gate switchgear 9 having a vertical handle 9d. In the same manner as above, a solar cell 1, a storage battery 3, a charger 2, and a motor control device (receiver) are used as the electric system of the motor.
7a, a motor driving circuit 8, a storage battery 3, a charger 2,
The motor control device 7a is housed in the first housing 11. The motor drive circuit 8 is arranged in one of the first and second housings 11 and 12. The solar cell 1 assumes a case where the environmental condition of sunshine at the place where the water gate is installed is poor, and the first housing 11
(Water gate installation location) and can be installed in a location with good sunshine conditions at a distance. The solar cell 1 is divided into first and second housings 11,
12, the maximum output voltage of the solar cell 1 is equal to the allowable voltage of the storage battery 3 in order to compensate for a relatively large distance from the storage battery 12 (considering the resistance loss caused by the long wiring between the solar cell 1 and the charger 2). Configure larger.

The driving current from the storage battery 3 supplied to the motor driving circuit 8 is much larger than the charging current flowing from the solar cell 1 to the charger 2, so that the first housing 1
When the solar cell 1 and the solar cell 1 are largely separated from the sluice gate installation location, the drive current wiring becomes longer and current loss due to resistance increases.
Even if the distance is relatively far from the water gate installation point, the distance from the storage battery 2 to the motor drive circuit 8 can be shortened, so that the wiring resistance of the large current portion can be made smaller than the wiring resistance of the small current portion. It is possible to suppress power loss due to wiring resistance.

In general, the allowable voltage of the storage battery 3 (DC
The voltage difference between the low-voltage motor drive circuit 8 and the drive voltage (DC 12 V) of the low-voltage motor drive circuit 8 is small, and the wiring distance must be minimized. Therefore, the configuration in which the solar cells 1 are separated can optimize the system.

[0048]

As described above, according to the present invention, it is possible to simplify the electric device for the water gate switchgear, efficiently transmit power, and improve usability. In particular, when the drive unit of the existing model or the already installed manual gate locker is electrified, the existing equipment can be used as it is by easily installing the motorized unit. The burden of installation work can be reduced.

Further, it is possible to suppress a large cost for wiring work of the power supply and change of the apparatus.

Furthermore, when the water gate drive device is to be electrically operated, when a solar cell system is employed, even if the solar cell is disposed relatively far from the water gate installation due to sunshine environmental conditions, wiring is not required. Voltage drop, power loss, and the like due to such factors can be suppressed.

When the water gate can be remotely controlled by operating the transmitter, the user can set a required opening in advance, and can easily open and close the water gate, thereby further improving usability. it can.

[Brief description of the drawings]

FIG. 1 is a block diagram showing an electric circuit of an electric drive device for a water gate switchgear according to the present invention.

FIG. 2 is an explanatory view showing an example of an installation mode of a water gate switchgear and an electric drive device thereof according to the present invention.

FIG. 3 is an explanatory view showing a structure near a handle of a water gate switchgear according to a main part of the present invention, wherein (a) is a longitudinal sectional view thereof, and (b).
Is an exploded perspective view of some parts.

FIG. 4 is an explanatory view showing an application example of the present invention of a floodgate switchgear 9 having a horizontal handle 9d.

FIG. 5 is an explanatory view showing an application example of the present invention of a water gate switchgear 9 having a vertical handle 9d.

FIG. 6 is an explanatory view showing an installation example of the water gate switch 9 according to the present invention, in which the solar cell 1 is separated from the water gate switch 9;

FIG. 7 is a plan view of a transmitter 7b used in the present embodiment.

FIG. 8 is a side view of the transmitter 7b.

FIG. 9 is a perspective view showing the appearance of a receiver 7a used in the embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Solar battery, 2 ... Charger, 3 ... Storage battery, 4a ... 1st overcurrent interrupter, 4d ... 2nd overcurrent interrupter, 4b, 4c ... Relay, 7a ... Receiver, 7b ... Transmitter, 7c ... Memory, 7
d: switch for preset mode switching, 7e: "open"
Button, 7f: "close" button, 7g: preset position, 7h: registration setting switch, 8: motor drive circuit,
8e: motor, 8a: belt or chain, 8b: sprocket, 8c: sprocket (rotating body), 9: water gate switch, 9a, 9b: support, elevating shaft (screw rod), 9d: handle, 9e nut part, 9f ... Sluice gate,
11: first housing, 12: second housing.

Claims (5)

[Claims] 1. A detachable handle for opening and closing a floodgate, an elevating shaft to which the floodgate is attached, and a motion converting mechanism for converting a rotational force of the handle into an elevating operation of the elevating shaft. In the drive device of the floodgate switch, between the handle and the support for supporting the elevating shaft,
A drive device for a water gate switch, wherein a rotating body serving as a power transmission element of an electric motor is interposed so as to rotate together with the handle. 2. The water gate switchgear, wherein the elevating shaft is constituted by a screw rod, and the screw rod includes:
A female threaded sleeve having a nut-shaped polygonal surface on the outer periphery is rotatably fitted with the support fixed in the axial direction, and the handle is fitted on the polygonal surface on the outer periphery of the sleeve so as to engage with the handle. The rotating body serving as a power transmission element of the electric motor rotates by receiving the rotational force of the electric motor via a belt or a chain, and has an inner surface having a polygonal surface engageable with the sleeve. The drive apparatus for a water gate switchgear according to claim 1, wherein the drive mechanism is fitted together with the handle. 3. A solar cell as an electric system of the electric motor,
A storage battery, a charger, and a motor control device;
The battery charger and the motor control device are housed in a first housing, the solar cell is disposed on an upper lid of the housing, and the motor is housed in a second housing. A drive device for the floodgate switch according to the above. 4. A solar cell as an electric system of the electric motor,
A storage battery, a charger, and a motor control device;
A charger and a motor control device are housed in a first housing, and the solar cell can be installed at a position away from the first housing,
The output voltage of the solar cell is higher than the allowable voltage of the storage battery, while the second housing houses the motor,
The drive device for a water gate switch according to claim 1 or 2, wherein the first housing and the second housing are arranged at a water gate installation location. 5. A receiver is provided in the first housing, and various degrees of opening can be stored and set in the receiver by a code constituted by a preset dedicated radio wave, and a predetermined value of the transmitter is set. 5. The driving device for a water gate switchgear according to claim 4, wherein a required water gate opening degree can be selected by transmitting the code.