JP2006118299A - Opening/closing device for horizontally sliding gate - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an opening/closing device for a horizontally sliding gate simplified in structure to facilitate installation, maintenance, and the like and automatically sliding the gate in an emergency. <P>SOLUTION: The opening/closing device for the horizontally sliding gate is provided with at least the gate 1 horizontally slidable to open/close an entrance 11; a telescopic cylinder 2 for sliding the gate 1; a gas container 8 for supplying pressure to drive the telescopic cylinder 2; and a lock release mechanism 3 for releasing the lock of the gate 1, interlocked with driving of the telescopic cylinder 2. When the telescopic cylinder 2 is driven, the lock release mechanism 3 is released at the same time, and the gate 1 automatically slides to totally close the entrance 11. Structure can thereby be simplified to facilitate installation, maintenance, and the like. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  TECHNICAL FIELD The present invention relates to an opening / closing device for a horizontal gate that is installed at an entrance / exit of a structure such as a school or an entrance where there is a risk of inundation due to a flood such as a tsunami, and automatically slides the gate laterally to close the entrance Is.

  A general horizontal gate opening and closing device is a manual type, and the gate is slid by hand to open and close the doorway, or the handle is turned to slide the gate to open and close the doorway. However, in the case of the manual type, when it is urgent to close the entrance / exit, the gate cannot be immediately slid in the closing direction of the entrance / exit, which may cause inconvenience.

  Therefore, as a prior art that automates the opening and closing device for a laterally pulling gate, Patent Document 1 discloses that a door body is connected to a door body that opens and closes a water channel via a cable body and drives the winch to drive the winch. A horizontal pulling type breakwater facility that automatically slides the slab in the lateral direction is disclosed. Further, in Patent Document 2, the expansion / contraction motion of the water pressure cylinder is converted into the rotational motion of the drive shaft by the drive lever and the ratchet mechanism, and the rotational motion of the drive shaft is converted to the side of the slide gate by, for example, the rack and pinion mechanism. An open / close gate device is disclosed in which a slide gate is automatically slid by converting into a sliding motion in a direction.

However, in the inventions of Patent Documents 1 and 2, the following problems (1) to (6) may occur.
(1) Since the apparatus is large, heavy equipment or the like is required at the time of installation, which increases the installation cost.
(2) It is economically disadvantageous because removal of existing facilities and modification of existing facilities increase.
(3) Since the apparatus is large, the installation space becomes large and the installation location is limited.
(4) After installation, it becomes difficult to remove the device, resulting in poor maintainability.
(5) Since the structure is complicated, the manufacturing cost is high, and further, emergency treatment cannot be performed immediately upon failure.
(6) It is necessary to provide a clutch or the like for switching between automatic and manual operation, which further complicates the structure.

  In view of the above-described problems (1) to (6), Patent Documents 3 and 4 are disclosed as waterproof devices that open and close the waterproof door with a lightweight and compact structure. In these Patent Documents 3 and 4, the waterproof door is installed at the entrance of the structure so as to be rotatable about the lower end of the waterproof door, and the tip of the telescope type air cylinder is rotated on the back of the waterproof door. By freely connecting and expanding and contracting the air cylinder by supplying gas pressure to this telescope type air cylinder, the waterproof door can be rotated around its lower end to open and close the doorway of structures etc. It is disclosed.

JP-A-9-59963 JP 2004-3138 A JP 7-229357 A JP-A-7-279551

  However, in the inventions in Patent Documents 3 and 4, the air cylinder expands and contracts to rotate the waterproof door around its lower end to open and close the doorway. Therefore, it is necessary to supply a considerably high gas pressure to the air cylinder, and it is necessary to adopt a structure in which safety measures corresponding to this high gas pressure are taken into account, and there is a possibility that the structure becomes complicated. Further, in the inventions of Patent Documents 3 and 4, it is difficult to automate an existing manual lateral pulling gate opening and closing device. Moreover, the inventions of Patent Documents 3 and 4 do not employ a structure that automatically closes the waterproof door in an emergency, for example, during an earthquake, and still have many problems.

  The present invention has been made in view of the above points, and provides a horizontal gate opening / closing device that simplifies the structure, facilitates installation and maintenance, and automatically slides the gate in an emergency. With the goal.

As a means for solving the above-mentioned problems, the present invention includes a gate that is slidable in a lateral direction and that opens and closes an entrance, a telescopic cylinder that slides the gate, and the telescope. A pressure supply device that supplies pressure to drive the mold cylinder, and a lock release mechanism that automatically unlocks the gate in conjunction with driving of the telescope cylinder. .
With this configuration, when the gate is closed by the gate, if the pressure is supplied from the pressure supply device to the telescopic cylinder, the telescopic cylinder is driven in the extending direction and at the same time the gate is released by the lock release mechanism. When the lock is released, the gate slides in the lateral direction to close the entrance and the entrance is automatically closed.

According to a second aspect of the present invention, in the first aspect of the present invention, the sensor that senses the state of the gate in the traveling direction side end when the moving direction side end contacts or approaches the gate. Is attached, and the gate is stopped when the sensor senses while the gate is sliding.
With this configuration, when a person or an object comes into contact with or close to the end of the gate in the lateral direction while the gate is sliding in the direction to close the doorway in the lateral direction, the gate is automatically Is stopped.

The invention described in claim 3 is the invention described in claim 1 or 2, further comprising an earthquake sensor, and when an earthquake is detected by the earthquake sensor, the gate is slid and the doorway is fully closed. It is characterized by that.
With this configuration, when an earthquake occurs, it is detected by the earthquake sensor, the gate is slid immediately, and the doorway is fully closed.

  According to the first aspect of the present invention, it is possible to provide a horizontal gate opening and closing device that is space-saving, lightweight, and inexpensive. In addition, a predetermined pressure is supplied to the telescope type cylinder from the pressure supply device, and the gate is slid by expansion and contraction of the telescope type cylinder, and the drive mechanism for sliding the gate is simplified, so installation In this case, a large installation space is not required and the installation location is not limited. Furthermore, since it becomes possible to attach a telescope type cylinder anywhere on the gate, adaptability to an existing gate is improved. Furthermore, since the lock release mechanism is configured to operate in conjunction with the driving of the telescopic cylinder, there is no need to provide a means for operating the lock release mechanism, the structure is simplified and the weight is reduced. To improve installation and maintenance.

  According to the invention described in claim 2, for example, when the opening / closing device of the laterally pulling gate according to the present invention is installed at an entrance / exit of a school or the like, while the gate is sliding, the gate traveling direction side When a person or an object touches or comes close to the end, the gate is immediately stopped, so that safety is improved.

  According to the third aspect of the present invention, for example, when the opening / closing device for a horizontal pulling gate according to the present invention is installed at an entrance / exit where there is a risk of inundation due to a tsunami or the like, Since the door is slid in the closing direction and the doorway is fully closed, flooding of water due to the tsunami can be minimized and emergency response is improved.

Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to FIGS.
As shown in FIG. 1, a lateral pulling gate opening / closing device according to an embodiment of the present invention includes a gate 1 slidable in a lateral direction, a telescopic cylinder 2 for sliding the gate 1, and the telescope. A gas container (pressure supply device) 8 that supplies pressure to drive the mold cylinder 2 and is filled with gas in a compressed state, and the gate 1 is locked in conjunction with the driving of the telescope cylinder 2 And at least a lock release mechanism 3 for releasing.
As shown in FIG. 1, the horizontal gate opening and closing device is installed to appropriately open and close an entrance / exit 11 provided in a concrete retaining wall 10.

The gate 1 is formed in a substantially rectangular shape having a length sufficient to fully close the doorway 11. A plurality of wheels 4 are provided on the bottom surface of the gate 1, and a rail 5 on which the wheels 4 of the gate 1 can travel is extended a predetermined distance in the direction of opening and closing the doorway 11 on the concrete bottom wall 12. It is a guide for gate 1. In addition, a guide member 6 that engages with the upper surface of the gate 1 and restricts the sliding direction of the gate 1 extends in a horizontal direction at a top portion of the concrete retaining wall 10.
As shown in FIG. 4, a fixed hook 40 extending in the traveling direction is provided at the traveling direction side end 1 a of the gate 1, and the fixed hook 40 is centered on the shaft portion 41 in the gate 1. It is supported via a bracket 43 so as to be freely rotatable. Then, when the gate 1 fully closes the entrance / exit 11, the fixed hook 40 engages with an engagement pin 42 provided on the wall surface 10a of the concrete retaining wall 10 forming the entrance / exit 11 via a bracket 44. 1 becomes locked.

As shown in FIGS. 1, 5, and 6, the telescopic cylinder 2 is connected to the end 1 b opposite to the traveling direction of the gate 1, and the pressure supply to which the gas pressure from the gas container 8 is supplied. It has a mouth 27. The telescoping cylinder 2 is connected to the gas container 8 through the pressure supply port 27 and is configured to be driven in a direction in which a predetermined gas filled in the gas container 8 is supplied and extended. ing.
In addition, as shown in FIGS. 1 and 2, the telescope type cylinder 2 has a shaft portion 17 on a cylinder receiving member 16 attached to an upper portion of a fixing member 15 projecting from a concrete bottom wall 12 at one end. Is fixed through. Further, a fixing member 18 is attached to the other end of the telescoping cylinder 2, and a shaft portion 9 inserted through the fixing member 18 is attached to an end portion 1 b opposite to the traveling direction of the gate 1. It is inserted through a long hole 26 provided in the receiving material 19. The long hole 26 is formed long in the traveling direction of the gate 1.

The unlocking mechanism 3 is configured to automatically unlock the gate 1 when the telescoping cylinder 2 starts to expand.
Specifically, it is configured as follows. As shown in FIGS. 5 and 6, a hook hook 20 is extended upward from the concrete bottom wall 12, and a pin 21 is extended above the hook hook 20. Further, a shaft portion 22 is rotatably inserted into the cylinder receiving member 19. A hook body 24 having a hook 23 at the tip is fixed to the shaft portion 22 below, and a lever 25 is fixed above the hook body 24.
As shown in FIG. 5, when the telescopic cylinder 2 is contracted, the hook 23 of the hook body 24 is engaged with the pin 21 of the hook hook 20, and the gate 1 is locked. .
Further, when the telescoping cylinder 2 starts to expand from the state of FIG. 5, the shaft portion 9 inserted through the fixing member 18 slides in the long hole 26 at the same time as the end portion of the fixing member 18 as shown in FIG. Pushes the lever 25, the hook body 24 rotates upward with the shaft portion 22 as a fulcrum, and the hook 23 at the tip is released from the pin 21, and the gate 1 is unlocked.
On the other hand, when the gate 1 is slid in the opening direction of the entrance / exit 11, the hook body 24 is slid in a state where the hook 23 at the tip of the hook body hangs down, and at the moment when the gate 1 is slid to the position where the entrance / exit 11 is fully opened. The hook 23 gets over the pin 21 and engages, and the gate 1 is locked.

As shown in FIG. 1, the gas container 8 is filled in a state where gas is squeezed at a predetermined pressure, and is disposed in the gate 1. The gas container 8 and the telescopic cylinder 2 are communicated with each other via a pressure supply port 27 (see FIG. 5). When a cock (not shown) is opened, a predetermined gas pressure is supplied from the pressure supply port 27. The telescope cylinder 2 is supplied to the telescope cylinder 2 and driven in the extending direction.
In the present embodiment, the pressure supply device is configured as a gas container 8 filled with gas and the telescope cylinder 2 is configured to be driven by gas pressure. May be configured from an air compressor or a device that supplies hydraulic pressure, water pressure, or the like, and the corresponding telescopic cylinder 2 may be employed.

Further, as shown in FIG. 1, an operation panel 30 is provided in the gate 1, and this operation panel 30 is electrically connected to the cock of the gas container 8 so as to control opening and closing. When a signal for sliding the gate 1 in the closing direction of the entrance / exit 11 is input to the operation panel 30, the signal is input to the cock from the operation panel 30, the cock is opened, and the gas pressure is telescopic from the pressure supply port 27. Supplied to the scope type cylinder 2, the telescope type cylinder 2 is driven in the extending direction.
In the present embodiment, each of the gas container 8 and the operation panel 30 is provided inside the gate 1, but both are arranged on the upper surface of the concrete retaining wall 10 as shown in FIG. May be.

Further, as shown in FIG. 2, a solar cell 31, a rotating lamp 32, and an alarm (not shown) are disposed above the end 1b of the gate 1 to which the telescopic cylinder 2 is connected. , Each is electrically connected to the operation panel 30.
The operation panel 30 has a built-in battery for charging the electric power obtained by the solar battery 31, and electricity is supplied from the battery to each device. Further, when the gate 1 starts to slide, its signal is output from the operation panel 30 to the rotating lamp 32 and the alarm device, and each is operated.
As described above, the laterally opening and closing gate opening and closing device according to the embodiment of the present invention automatically closes the gate 1 and the entrance 11 even when installed in a place without a power source or in an emergency. In order to automatically slide the battery, a combination power source of a solar cell 31 and a battery is employed. Therefore, in many cases, the existing manual lateral pulling type gate opening and closing device is installed in a place where there is no power source. The horizontal pulling gate opening and closing device according to the embodiment can be adopted and is effective.

When the signal for sliding the gate 1 is input to the operation panel 30 from the state of FIG. 1, the signal is input to the cock, the cock is opened, and the gas pressure is supplied from the pressure supply port 27 to the telescope type cylinder 2. It is supplied and starts driving in the direction in which the telescoping cylinder 2 extends. When the driving is started, the hook 23 at the tip of the hook body 24 is disengaged from the pin 21 of the hook hook 20 with the driving of the telescopic cylinder 2, and the lock of the gate 1 is released. As shown in FIGS. 3 and 4, the telescopic cylinder 2 extends to a predetermined length, the gate 1 slides, and the fixing hook 40 at the side end 1 a in the traveling direction becomes the wall surface 10 a of the concrete retaining wall 10. The gate 1 is locked and the doorway 11 is fully closed. In this state, the air pressure in the telescopic cylinder 2 is released to the outside.
Further, when the gate 1 starts to slide when closing the entrance 11, the rotating lamp 32 is turned on, an alarm is issued from the alarm device, and attention is urged to the surroundings.

  Next, when the gate 1 is slid in the opening direction of the entrance / exit 11 from the fully closed state of the entrance / exit 11 in FIG. 3, the fixing hook 40 shown in FIG. 4 is manually removed from the engagement pin 42. 2, the gate 1 is slid until the lower portion of the end portion 1 b opposite to the traveling direction side comes into contact with the stopper 35. At the same time, the hook 23 at the tip of the hook body 24 is engaged with the pin 21 of the hook hook 20 to lock the gate 1 and the doorway 11 is fully opened as shown in FIG.

  In addition, in the horizontal gate opening and closing device according to the embodiment of the present invention, as shown in FIG. 1, when a person or an object contacts or approaches the traveling direction side end portion 1a of the gate 1, A plurality of sensors 36 (upper and lower two in FIG. 1) are attached, and the sensors 36 are electrically connected to the operation panel 30. When any contact or proximity is detected by the sensor 36 while the gate 1 is sliding, the signal is input to the operation panel 30 and a signal for closing the cock is output from the operation panel 30. The cock is closed, the supply of gas pressure to the telescopic cylinder 2 is stopped, and the sliding of the gate 1 is stopped.

  Further, a seismic sensor is incorporated in the operation panel 30 shown in FIG. 1. When an earthquake is detected by the seismic sensor, a signal for sliding the gate 1 from the operation panel 30 in the closing direction of the entrance 11. Is output to the cock, the cock is opened, the gas pressure is supplied from the pressure supply port 27 to the telescope type cylinder 2, and the telescope type cylinder 2 is driven in the extending direction, so that the entrance / exit 11 is fully closed. .

  In the horizontal gate opening and closing device according to the embodiment of the present invention, the configuration including both the sensor 36 and the earthquake sensor has been described. However, it is appropriately provided depending on the installation location. For example, when installing at the entrance / exit 11 of a school or the like, it is not always necessary to provide an earthquake sensor. When installing at the entrance / exit 11 where there is a risk of inundation due to a tsunami, it is naturally necessary to provide an earthquake sensor.

  Further, in the horizontal gate opening and closing device according to the embodiment of the present invention, in a normal closing operation, automatic operation by the sensor 36 or a person directly inputs to the operation panel 30 to slide the gate 1. However, if a remote monitoring and control device provided with a communication means is provided, remote monitoring and control of the gate 1 are possible.

  Furthermore, the lateral pulling gate opening / closing device according to the embodiment of the present invention can also manually slide the gate 1 in the closing direction. At the time of manual operation, first, the hook body 24 is held while being rotated around the shaft portion 22 so that the hook 23 of the unlocking mechanism 3 is removed from the pin 21, the handle 37 is gripped, and the gate 1 is held by the hook 23. The lock is released by sliding to a position where the pin 21 is not engaged. Thereafter, when the gate 1 is slid by a predetermined distance, the fixing hook 40 at the end 1a in the moving direction side of the gate 1 is engaged with the engagement pin 42 provided on the wall surface 10a of the concrete retaining wall 10, and the gate 1 Is locked and the doorway 11 is closed.

  As described above, when the signal for sliding the gate 1 in the closing direction is input to the operation panel 30, the horizontal gate type opening / closing device according to the embodiment of the present invention has a predetermined gas applied to the telescopic cylinder 2. Since the pressure is supplied and the telescopic cylinder 2 is driven in the extending direction, the gate 1 automatically slides in the lateral direction and the entrance / exit 11 is closed, so that the structure can be simplified and thus installed. Advantages such as ease of maintenance, maintainability, and shortening of the construction period can be obtained. Furthermore, the telescoping cylinder 2 can be easily attached to the existing gate 1, and the existing manual gate opening / closing device can be easily automated. Further, when the sliding of the gate 1 is started, the unlocking mechanism 3 for releasing the lock of the gate 1 is configured to operate in conjunction with the driving of the telescopic cylinder 2, so that the unlocking mechanism 3 is operated. Therefore, it is not necessary to provide a special means, and the structure can be simplified and the entire apparatus can be made compact.

  Furthermore, according to the horizontal pulling gate opening / closing device according to the embodiment of the present invention, when a person or an object contacts or approaches the sensor 36 attached to the traveling direction side end 1a of the gate 1, Therefore, the safety of the gate 1 is improved.

  Furthermore, according to the opening / closing device for the lateral pulling gate according to the embodiment of the present invention, when an earthquake occurs, the earthquake is detected by the earthquake sensor, and the gate 1 automatically slides so that the entire entrance / exit 11 is opened. Since it is closed, it is possible to prevent inundation when a tsunami or the like occurs and to respond in an emergency.

  In the laterally-operated gate opening / closing device according to the embodiment of the present invention, in consideration of manufacturing costs, the telescopic cylinder 2 is driven only in the extending direction when pressure is supplied. However, if a pressure is supplied, a telescopic cylinder that drives in both directions of expansion and contraction may be employed.

FIG. 1 is a perspective view of a horizontal gate opening and closing device according to an embodiment of the present invention, and shows a fully opened state of an entrance / exit. FIG. 2 is an enlarged view of a portion A in FIG. FIG. 3 is a perspective view of the horizontal gate opening and closing device according to the embodiment of the present invention, and is a view showing a fully closed state of the entrance / exit. FIG. 4 is a diagram illustrating a state in which the end portion in the traveling direction of the gate is locked to the wall surface of the concrete retaining wall. FIG. 5 is a diagram illustrating the lock release mechanism, and is a diagram illustrating a state in which the gate is locked. FIG. 6 is a diagram illustrating the lock release mechanism, and is a diagram illustrating a state in which the gate is opened. FIG. 7 is a diagram illustrating a state in which the operation panel and the pressure supply device are arranged outside.

Explanation of symbols

1 Gate 2 Telescope cylinder 3 Unlocking mechanism 8 Gas container (pressure supply device)
11 Entrance / Exit 30 Operation Panel 36 Sensor

Claims (3)

A gate that is slidable in the lateral direction and opens / closes the entrance / exit, a telescope cylinder that slides the gate, a pressure supply device that supplies pressure to drive the telescope cylinder, and driving the telescope cylinder A horizontal pulling gate opening and closing device comprising at least a lock releasing mechanism that automatically releases the lock of the gate in conjunction with the locking mechanism. A sensor is attached to the traveling direction side end of the gate to detect the state when something contacts or approaches the traveling direction side end, and the sensor is mounted while the gate is sliding. The horizontal pulling gate opening and closing device according to claim 1, wherein the gate is stopped when detected. 3. The opening and closing of the lateral pulling gate according to claim 1 or 2, further comprising an earthquake sensor, wherein when the earthquake is detected by the earthquake sensor, the gate is slid and the entrance is fully closed. apparatus.

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