JP2011089286A - Electric opening/closing device of sluice gate - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric opening/closing device of a sluice gate, which electrically opens/closes a sluice gate door to be opened/closed by manual operation usually to make a worker free from heavy labor for opening/closing the sluice gate door speedily and safely. <P>SOLUTION: A manually operated handle of the sluice gate door is removed, the electric opening/closing device 20 of charging type of the sluice gate having an output shaft 21 to be engaged with a driving shaft 13 is engaged therewith, and they are integrally fixed. This electric opening/closing device 20 of the sluice gate uses a motor driven by a lithium ion battery 31 of charging type as a driving source to open and close the sluice gate electrically through a reduction gear 30 mounted on the driving shaft 13. When the driving shaft 13 causes abnormal vibration, a rotary start knob held and magnetized by a trigger switch and a magnet is separated through the vibration to stop in an emergency. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an open / close device for a sluice door installed in various water channels such as an agricultural water channel or a water intake water channel of a pumping station, and an open / close device for a sluice door installed in a non-electrified area where a power line cannot be drawn.

  In general, the sluice gate is provided with a drive device incorporating a motor and a prime mover in order to open and close the sluice door. However, a relatively small one is manually opened and closed by a handle operation. In addition, sluice gates are generally installed in non-electrified areas, and manual switching devices have to be installed.

  Conventional sluice door manual opening and closing devices are designed to decelerate the rotation of the handle shaft and transmit it to the gears, but even in this kind of small sluice, the load on the door body is quite large, and this is done manually. In order to open and close, it was a very heavy labor requiring time because the lift per revolution was small by increasing the reduction ratio.

  In addition, since this type of switchgear is installed outdoors, if it is long-term after installation, the door vertical guide groove will be narrowed due to rust generation or wreckage, etc. May fluctuate greatly, and abnormal vibration may occur due to gear engagement of the gear of the reduction gear, etc., and if the manual opening and closing device is forcibly driven using a drive source, it may cause trouble .

  An object of the present invention is to solve the problems of the conventional sluice door manual opening and closing device.

  In order to achieve the above object, the sluice gate opening and closing device of the invention of claim 1 is a water sluice gate provided with an openable and sluice gate provided in a water channel and a manual handle for opening and closing the sluice door. A manual handle is removed from the gate door, and a motor that engages with a drive shaft to transmit a rotational force and a trigger type rotation adjustment mechanism that adjusts the number of rotations of the motor are provided.

  The above-described electric sluice gate opening / closing device uses a motor driven by a rechargeable lithium ion battery as a drive source, and can smoothly open and close the sluice gate via a speed reducer on the sluice side drive shaft.

  According to a second aspect of the present invention, in the electrically operated sluice gate opening and closing device of the sluice gate according to the first aspect, the trigger type rotation adjusting mechanism includes a trigger switch and a start knob for adjusting a pull-in amount of the trigger switch. There is an emergency stop mechanism that releases the connection when an abnormal vibration exceeding the magnetic holding force is applied between the actuator and the starting knob.

  According to the above configuration, when the opening / closing load fluctuates greatly and abnormal vibration occurs due to the meshing backlash of the sluice side reduction gear, the start knob held magnetically held by the trigger switch and the magnet is released due to the vibration, and the emergency stop To do.

  According to a third aspect of the present invention, in the electric sluice opening and closing device for the sluice gate according to the first aspect, the trigger type rotation adjusting mechanism is configured such that when the emergency stop button is pressed, the start knob and the trigger switch are separated and the trigger switch is in the stop position. It has an emergency stop mechanism to return to.

  According to the above configuration, the emergency stop can be freely performed at any time by providing the emergency stop mechanism.

  In the sluice door opening / closing device provided in the water channel and the sluice gate provided with a manual handle for opening / closing the sluice door, the manual handle is removed and engaged with the drive shaft. Since there is an electric sluice opening / closing device that rotates this, the opening and closing of the sluice door by the manual handle is motorized and released from heavy labor, and the initial rotation of the rotational drive can be adjusted smoothly from low speed to high speed .

  In the electrically operated sluice gate opening and closing device of the invention according to claim 2, when the opening and closing load fluctuates greatly and abnormal vibration occurs due to meshing backlash of the sluice side reduction gear, the vibration is held magnetically by a trigger switch and a magnet. The work can be done safely by releasing the emergency rotary knob and making an emergency stop.

  In the electrically operated sluice gate opening and closing device of the sluice door according to the invention of claim 3, the emergency stop can be freely performed at any time by providing the emergency stop mechanism.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

In FIG. 1, the door opening / closing device is installed on a gate-type frame 1 in the shape of a sluice frame.
A sluice door 5 is guided in a vertical guide groove 4 provided in the left and right guide columns 3 so as to be movable up and down. Adhesiveness is maintained by the elastic sheet 7 at the joint surface between the sluice door 5 and the vertical guide groove 4.

  A screw rod 8 is attached to the upper end of the sluice door 5 and is inserted through a cover 10 provided in the upper portion through the gate frame 1. Further, an elevating mechanism 12 for the sluice door 5 is built in the upper part of the cover 10, and a driving shaft 13 is connected to the elevating mechanism 12 via a reduction gear mechanism, and a manual handle 14 is fixed to the driving shaft 13. ing. The manual handle in FIG. 1 is a crank type, but there is also a round type manual handle.

  The drive shaft 13 has a plurality of shapes such as a 25 mm square, a 19 mm square, and a keyway round shape depending on the water gate.

  In FIG. 3, the electric sluice gate opening / closing device 20 uses a rechargeable lithium battery 31 having an overload protection function as a power source in a hexahedron waterproof box-shaped container, and the motor 33 rotates in a stepless manner with the amount of the trigger switch 22 retracted. It has a rotating mechanism that changes. When the trigger switch 22 is released and released, the trigger switch 22 returns to the original stop position with the force of the built-in spring 47, and the brake is applied and stops immediately. The bottom plate surface 49 of the electric sluice switchgear 20 is cut out only in a space where the rechargeable lithium battery 31 can be replaced with one hand.

  The shaft of the gear 36 having an integral shaft structure is chucked by a keyless chuck 35 fixed to the motor of the electric sluice opening and closing device 20. The reduction gear device includes a reduction gear 37 that is integrally formed with the gear 36 and the output shaft 21. The central portion of the output shaft 21 is processed so that it can engage with the shape of the drive shaft 13.

  A knock pin holder 38 is fixed to the electric sluice opening / closing device 20 on the top of the speed reducer cover 30 with mounting bolts 39. It slides up and down so that it can be inserted into the knock hole 18 formed in the flange 15 of the drive shaft 13 at the tip of the knock pin holder 38, but it is forced downward by the spring 17, and the knock pin 16 is normally inserted into the knock hole 18. Is done. The knock pin raising knob 19 is fixed to the knock pin 16 with a screw.

  FIG. 4 shows an emergency stop mechanism. The trigger holder 25 has a U shape so as to hold a handle 48 between the motor 33 and the rechargeable lithium battery. A trigger pin 34 is assembled to the left end of the trigger holder 25 and is in light contact with the trigger switch 22. At the right end of the trigger holder 25, two magnet embedded bolts 24 in which a magnet 41 is embedded and fixed are arranged and assembled with screws. The bolt 23 magnetically held on the magnet-embedded bolt 24 has a hollow center, and a small bolt 29 that freely slides in the center is assembled to the emergency stop button 28 with a screw. An E-ring 46 is attached to the left end of the small bolt 29 so that the emergency stop button 28 cannot be removed. Further, a rotation-preventing key groove 42 is provided in the middle of the bolt 23, and a key 44 is inserted into the key hole formed in the guide pipe 43 so as to be positioned. The bolt 23 slides on the inner diameter of the guide pipe 43. The guide pipe 43 is assembled to the back plate 40 with a nut 45. The rotary starting knob 32 has a nut shape and meshes with the right screw of the bolt 23. The right end of the bolt 23 and the rotary starting knob 32 are provided with a gap that allows the magnet embedded bolt 24 and the bolt 23 to be separated.

In the emergency stop button mechanism, the bolt 23 is pulled by rotating the rotary start knob 32 to the right, and the position where the starboard surface of the bolt 23 contacts the left end of the guide pipe 43 pushes the trigger switch 22 to the back. This position is the maximum motor speed. When the emergency stop is forcibly stopped, by pressing the emergency stop button 28, the left end of the small bolt 29 pushes out the magnet embedded bolt 24, is disconnected from the bolt 23, the trigger switch 22 returns to the stop position, and the emergency stop is performed.
To return to the emergency stop, the rotary start knob 32 is rotated counterclockwise to pull the bolt 23 to the left, and eventually the magnet embedded bolt 24 and the left side surface of the bolt 23 are magnetically held and returned.

  FIG. 2 shows that the manual handle 14 of the sluice door body manual opening / closing device is removed, the electric sluice opening / closing device 20 having the output shaft 21 processed so as to be able to be engaged with the shape of the driving shaft 13 is engaged, and A knock pin 16 forced by a spring 17 is inserted into a knock hole 18 formed in the flange 15 and fixed integrally therewith. That is, it can be easily attached and detached by holding the knock pin lifting knob 19 with one hand, pulling up the knock pin 16, holding the portable grip 54 with the other hand, and pulling out the electric sluice switch 20 from the drive shaft 13. It is possible to install it quickly.

  In the electric sluice opening and closing device 20 fixed integrally as described above, a push button type forward rotation button 26 is provided on the left side plate and a reverse button 27 is provided on the left side plate. By arbitrarily setting this button and turning the nut-shaped rotary starting knob 32, the bolt 23 is attracted, and the bolt 23 and the magnet-embedded bolt 24 are magnetically held, and the magnet-embedded bolt 24 is a trigger holder. Since the motor is rotated by pulling the trigger switch 22 by being fixed to the screw 25, the rotational force is increased by the speed reducer 30 of the rechargeable electric sluice opening and closing device 20, the sluice side drive shaft 13 is rotated, and the sluice door 5 is a lifting mechanism. Opened and closed by 12. When the sluice gate reaches the highest position or the lowest position, the rotation is stopped by the overload protection function of the rechargeable lithium battery 31.

In addition, when abnormal vibration occurs in the sluice side drive shaft 13 during startup of the electric sluice switchgear 20, this vibration is transmitted to the entire electric sluice switchgear 20, and the magnet embedded bolt 24 and the bolt 23 exhibit abnormal vibration exceeding the holding force. In this case, the magnet embedded bolt 24 and the bolt 23 are disconnected, the trigger switch returns to the stop position, and the emergency stop is performed.
When the emergency stop is forcibly stopped, a small bolt 29 that freely slides in a hollow bolt 23 whose center is connected to the button is pushed by pressing the emergency stop button 28, and the magnet embedded bolt 24 is Extruded, disconnected from the bolt 23, the trigger switch 22 returns to the stop position and the emergency stop is made.

  5 and 6, during the activation of the electric sluice gate opening / closing device 20, the motor cooling air is exhausted from the motor body exhaust ports 52 on both sides. Since this apparatus is a waterproof box-shaped container, exhaust pipes 51 are attached to both sides, and an exhaust port 50 is attached to the side plate. The exhaust port 50 is cut out so that only the lower side can be exhausted. With this structure, the air is discharged downwardly from the both side plates like the exhaust flow 53 from the motor main body outlet 52. Outside air is sucked from the space for replacing the rechargeable lithium battery 31 on the bottom plate surface 49.

It is sectional drawing of the sluice gate for implementing this invention. It is the whole figure which removed the manual handle same as the above and installed the electric sluice opening and closing device. It is operation | movement explanatory drawing of the best form for implementing this invention. It is operation | movement explanatory drawing of an emergency stop mechanism. It is the figure which looked at the electric sluice opening and closing device from the output shaft side. It is the figure which looked at the electric sluice opening and closing device from the top.

DESCRIPTION OF SYMBOLS 1 Gate type | mold frame 3 Guide support | pillar 4 Vertical guide groove 5 Water gate door 7 Elastic sheet 8 Screw rod 10 Cover 12 Lifting mechanism 13 Drive shaft 14 Manual handle 15 Flange 16 Knock pin 17 Spring 18 Knock hole 19 Lifting knob 20 Electric water gate opening / closing device 21 Output Shaft 22 Trigger switch 23 Bolt 24 Magnet embedded bolt 25 Trigger holder 26 Forward rotation button 27 Reverse rotation button 28 Emergency stop button 29 Small bolt 30 Reduction gear cover 31 Rechargeable lithium ion battery 32 Rotary start knob 33 Motor 34 Trigger pin 35 Keyless chuck 36 gear 37 reduction gear 38 knock pin holder 39 mounting bolt 40 back plate 41 magnet 42 key groove 43 guide pipe 44 key 45 nut 46 E ring 47 spring 48 handle 49 bottom plate surface 50 downward exhaust port 51 exhaust pipe 52 motor book Allowed exhaust port 53 exhaust air flow 54 搬用 grip portion

Claims (3)

  In the sluice gate provided with the sluice door provided in the water channel and the manual handle for opening and closing this sluice door, remove the manual handle, engage the drive shaft and transmit the rotational force, and adjust the rotation speed of the motor An electric sluice opening and closing device for a sluice door, characterized in that it comprises a trigger type rotation adjustment mechanism.   The trigger-type rotation adjustment mechanism includes a trigger switch and a start knob that adjusts the pull-in amount of the trigger switch. When an abnormal vibration exceeding the magnetic holding force is applied between the trigger switch and the start knob, the connection is released. An electric sluice opening and closing device for a sluice door according to claim 1, further comprising an emergency stop mechanism.   2. The electric sluice gate for a sluice gate according to claim 1, wherein the trigger type rotation adjustment mechanism has an emergency stop mechanism in which the start knob and the trigger switch are separated by pressing an emergency stop button and the trigger switch returns to the stop position. Switchgear.