JP2016102299A - Gate closing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gate closing apparatus capable of closing a gate such as a land lock and a tide gate with a configuration using a mechanical component without using any electricity as driving force, capable of keeping the gate's movement speed being approximately constant, and capable of adjusting the gate's movement speed, at the time of concern about water damage such as a tidal wave caused by a typhoon etc. or a seismic sea wave caused by an earthquake etc. or the similar time.SOLUTION: A gate closing apparatus E comprises: a first weight 1 movable in the vertical up-and-down direction; linear members 2, 2' for suspending and supporting the first weight; a second weight 3 that is interlocked through the linear members 2, 2' to move in the direction reverse to the first weight 1's movement direction; and power transmission means 4 for transmitting force generated in the first weight 1 moving vertically downward to a gate D.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a gate closing device used for closing gates such as land anchors and tide doors by the configuration of mechanical parts without using any electricity as a driving force.

  Conventionally, land ridges and tide doors have been laid on the coastline to prevent flood damage such as storm surge caused by typhoons and tsunami caused by earthquakes, etc., which can cause serious damage to residential areas, commercial facilities, and factory areas.

  Since the gates used for these land anchors and tide doors are made of metal and heavy, there are cases where an electric drive device is installed to close these gates using electricity as a driving force. When a power transmission line or the like breaks in the middle of the occurrence of electricity, it is difficult to close the gate because electricity is not supplied to the electric drive device.

  For this reason, various devices have been developed that close land gates and tide doors that do not use electricity as the driving force. For example, Patent Document 1 discloses a closing device for a horizontal pulling type tide door that opens and closes an opening of a tide wall, and moves by its own weight on a guide rail that is inclined so as to descend in a direction in which the tide door closes. Discloses a device for closing a tide door.

JP 2006-2552 A

  However, in the closing device described in the prior patent document 1, when the tide door starts to move from the open state, the tide door moves at a slower speed, and the tide door moves at a higher speed. The maximum moving speed of Therefore, for example, even if a person who is left outside the tide door, that is, the sea side of the tide door, notices that the tide door starts to close, and tries to move to the inside of the tide door, that is, the land side of the tide door, Since the speed of the tide door is accelerated, there is a danger of being caught between the tide door and the tide wall, and in order to avoid the danger, it is closed to give up moving inside the tide door. There was a possibility.

  Once the tide door starts moving, the moving speed is determined by the weight of the tide door due to the inclination of the guide rail, and the moving speed cannot be adjusted in advance.

    In addition, since the guide rail on which the tide door moves is inclined, stones and dust are likely to accumulate, and it is necessary to clean the tide door properly, which is a burden.

  Therefore, in the present invention, when there is a concern about water damage such as storm surge due to typhoon or tsunami due to earthquakes, etc. It is an object of the present invention to provide a closing device that can be closed by moving the gate, can keep the moving speed of the gate approximately constant, and can also adjust the moving speed of the gate.

  [1] That is, the present invention relates to a first weight that is vertically movable in the vertical direction, a linear member that suspends the first weight, and interlocked via the linear member, A gate closing device comprising: a second weight that moves in the direction opposite to the moving direction; and a power transmission means that transmits a force generated when the first weight moves vertically downward to the gate.

  [2] A rotating body capable of winding the linear member, connected to the power transmission means, and a fluid pressure cylinder driven by the linear member and suspending the second weight. [1] characterized in that it is provided with a closing device.

  [3] And, the power transmission means is connected to the rotating body and is composed of a transmission composed of a plurality of gears having different sizes, a drive gear interlocked with the transmission, and meshed with the drive gear to the gate. The gate closing apparatus according to [1] or [2], further including a fixed drive gear rack.

  [4] The gate closing apparatus according to any one of [1] to [3], wherein the first weight has a box shape.

  [5] The closing device according to [2], wherein a valve capable of blocking movement of an internal fluid is attached to the fluid pressure cylinder.

  According to the closing device of the present invention, when there is a concern about water damage such as a storm surge caused by a typhoon or a tsunami caused by an earthquake or the like, a gate such as a land anchor and a tide door is used as a driving force without using any electricity. The gate can be closed depending on the configuration of the parts, the gate moving speed can be kept approximately constant, and the gate moving speed can be adjusted.

In the gate closing apparatus showing one Embodiment of this invention, it is a front view which shows the state in which the gate is open. In the closing device showing one embodiment of the present invention, it is a front view showing the state where the gate is closed. It is a top view showing the state where the gate is closed in the gate closing device showing one embodiment of the present invention. In the gate closing apparatus showing one Embodiment of this invention, it is a left view which shows the state in which the gate is closed. In the closing device showing one embodiment of the present invention, it is the perspective view which expanded the neighborhood of the 1st weight, the 2nd weight, a linear member, etc., and omitted a part.

  DESCRIPTION OF EMBODIMENTS Hereinafter, an embodiment related to a closing device E according to the present invention will be described in detail with reference to the accompanying drawings. The embodiments described below are preferable specific examples for carrying out the present invention, and thus various technical limitations are made. However, the present invention is intended to limit the invention particularly in the following description. Unless specifically stated, the present invention is not limited to this form. 1 and 2, the left side is the upper side, the right side is the lower side, the front side in FIG. 3 is the upper side, the other side is the lower side, the upper side in FIG. 4 is the upper side, and the lower side is the lower side. Become.

  As shown in FIG. 1, FIG. 2, etc., the closing device E of the present invention includes a gate D for blocking seawater or the like to land due to a storm surge or a tsunami, via a linear member 2 and power transmission means 4. This is a device that can be closed without using any electricity by the force generated when the first weight 1 that is vertically movable is moved vertically downward. The moving speed of the gate D by the second weight 3 It is a device that can keep the constant.

  The first weight 1 is a member that is located on one side of the column P and is movable in the vertical vertical direction along the column P via the linear member 2. The first weight 1 is always subjected to a force to move vertically downward due to gravity, and since the upper end is fixed by the linear member 2, it can also move vertically upward. The first weight 1 has its own weight and functions as a weight. In this embodiment, as shown in FIG. 4, the first weight 1 has a shape of a box that can accommodate other weights. It also has a function. For this reason, it can be used for gates of various weights. For example, when a gate heavier than the gate D used in the present embodiment is used, another weight is accommodated in the first weight 1 to increase the weight, and the heavy gate is also used. The gate can be closed smoothly.

  Further, as shown in the present embodiment, it is preferable that the first weight 1 is provided with a plurality of auxiliary wheels AW that come into contact with the column P. As described above, the first weight 1 is provided with the plurality of auxiliary wheels AW that come into contact with the support column P, so that the first weight 1 moves vertically upward or downward, so that the vertical force is generated by the friction caused by the collision with the support column P. It is possible to prevent the vertical movement from being performed smoothly. Furthermore, as shown in FIGS. 1 and 2, it is preferable that at least one of the plurality of auxiliary wheels is provided so as to sandwich the rod of the support P with the first weight 1. As a result, the distance between the first weight 1 and the support P can be kept constant, so that even when a large shake occurs due to an earthquake or the like, the first weight 1 does not damage or bend the support P smoothly. The gate D can be closed by moving vertically downward.

  The linear member 2 is a member that suspends the first weight 1. In this embodiment, as shown in FIGS. 1 and 2, the linear member 2 is fixed to the first weight 1 at one end and engaged with fixed pulleys FP <b> 1 and FP <b> 2 provided at the upper end of the column P, The other end is fixed so as to be wound around a rotating body 5 provided in the vicinity of the lower end of the column P. One end of the linear member 2 ′ is fixed so as to be wound around the rotating body 5, engages with the fixed pulley FP3 and the movable pulley MP, and the other end of the column P positioned near the fixed pulley FP3. It is fixed to the part. In the present embodiment, the linear member 2 and the linear member 2 ′ are one continuous member, and the first weight 1 and the second weight 3 can be smoothly interlocked. In another embodiment, the linear member 2 and the linear member 2 ′ can be independent members.

  Moreover, although the metal wire rope is used for the linear member 2 in this embodiment, the chain | strand etc. which connected the cyclic | annular member and made it linear in other embodiment can also be used.

  As shown in FIG. 5, the linear member 2 ′ is engaged with the fixed pulley FP3 and the movable pulley MV twice, so that the movable pulley MV includes four linear members by the fixed pulley FP3 and the support column P. The moving distance of the second weight 3 can be made shorter than the moving distance of the first weight 1, and the height of the closing device E can be designed low. In another embodiment, the movable pulley MV can be supported by the linear member 2 ′ so as to engage with the fixed pulley FP3 and the movable pulley MV once or three times or more.

  The second weight 3 is a member that moves in the direction opposite to the moving direction of the first weight 1 in conjunction with the first weight 1 via the linear members 2 and 2 ′. When the first weight 1 is going to move downward from the upper vertical direction, the second weight 3 is interlocked with the first weight 1 from the lower vertical direction to the upper direction opposite to the moving direction of the first weight 1. Since it rises, the first weight 1 does not fall at a constant acceleration, but falls at an approximately constant speed. The force generated when the first weight 1 moves is transmitted to the linear member 2, the rotating body 5, and the power transmission means 4, and the gate D can be moved at a substantially constant speed. In this embodiment, it is located on the opposite side to the first weight 1 across the support P, and is lifted via a linear member 2 ′ that engages with the constant pulley FP 3 and the movable pulley MV. Yes.

  The second weight 3 is preferably lighter than the first weight 1. When the second weight 3 is lighter than the first weight 1, the first weight 1 can be smoothly moved by the weight of the first weight 1 from vertically upward to below without being pulled back to the second weight 3. The second weight 3 is attached to the lower end of the fluid pressure cylinder 6 provided on the movable pulley MV, but is detachably attached to the fluid pressure cylinder 6 so that it can be removed so that it can be changed to one having a different weight. It is preferable that Furthermore, since the speed at which the first weight 1 moves vertically downward can be adjusted by changing the weight of the second weight 3, the speed at which the gate D interlocked with the movement of the first weight 1 is closed. Can be adjusted.

  The power transmission means 4 is a means for transmitting the force generated when the first weight 1 moves vertically downward to the gate. In the present embodiment, the power transmission means 4 is connected to the rotating body 5, and a transmission 41 composed of a plurality of gears, a drive gear 42 interlocking with the transmission 41, and meshing with the drive gear 42 are fixed to the gate D. Drive gear rack 43.

  The transmission 41 has a plurality of gears of different sizes inside, the first gear of which is connected to the rotating body 5, and the rotation of the rotating body 5 is transmitted to other gears one after another. This gear transmits the rotation of the rotating body 5 to the drive gear 42 via the meshing transmission member G. Since the plurality of gears of the transmission 41 have different sizes, that is, the number of teeth, the rotation of the rotating body 5 can be amplified and transmitted to the drive gear 42 via the transmission member G. In the present embodiment, the speed increasing ratio is designed to be 5/1 so that when the first gear of the transmission 41 rotates once, the last gear rotates five times, and the distance by which the first weight 1 moves vertically downward is set. Since the gate D can move approximately five times the distance, the height of the gate closing device E can be designed lower than the width of the gate D in the longitudinal direction. Moreover, in other embodiment, according to the distance which the gate D opens and closes, the rotation speed which the last gear rotates when the 1st gear rotates 1 time can be adjusted, and it not only speeds up but decelerates. Thus, the transmission 41 can be designed in such a manner that the gate D can be variously adapted according to the moving distance.

  The drive gear 42 is a gear that interlocks with the transmission 41 and meshes with the drive gear rack 43. In the present embodiment, the transmission member G is a member that has gears at the upper end and the lower end and is erected in the vertical vertical direction. Therefore, the lower end gear meshes with the transmission 41, and the upper end gear is connected to the drive gear 42. By meshing, the rotation of the rotating body 5 is transmitted to the drive gear 42 located above.

  The drive gear rack 43 is a member that meshes with the drive gear 42 and is fixed to the gate D. As the drive gear 42 rotates, a plurality of teeth provided on the drive gear rack 43 are sent one after another, and the gate D to which the drive gear rack 43 is attached moves. In the present embodiment, the drive gear rack 43 is linearly provided in the longitudinal direction of the gate D at the upper part of the gate D. However, if the drive gear rack 43 meshes with the drive gear 42 and is fixed to the gate D, it has other shapes. Can be used.

  The rotating body 5 is a member in which the linear members 2 and 2 ′ are wound and connected to the transmission 41 in the power transmission unit 4. As shown in FIG. 5, the rotating body 5 has a cylindrical shape, and linear members 2 and 2 ′ are wound around the outer periphery thereof. In this embodiment, since the wire rope that is the linear members 2 and 2 ′ is one member, the linear members 2 and 2 ′ are wound around the rotating body 5 while being wound around the rotating body 5. The fixed member 51 is pressed so as to be pressed against the rotating body 5, and is wound around the rotating body 5 without being idle. In addition, in this embodiment, although the rotary body 5 has a cylindrical shape, in other embodiment, it can also be set as an elliptical column shape, a polygonal column shape, etc.

  The fluid pressure cylinder 6 is a member that follows the linear member 2 ′ and suspends the second weight 3. As shown in FIGS. 1, 2, 5, etc., the fluid pressure cylinder 6 is attached between the movable pulley MV and the second weight 3. The fluid pressure cylinder 6 contains a fluid such as liquid oil or gas inside, and the flow rate of the fluid such as liquid oil is adjusted by a cylinder screw 61 to relieve the force applied to one end at the other end. I can tell you.

  As shown in FIG. 5, when the first weight 1 moves vertically downward, the movable pulley MV is lifted upward by the linear members 2 and 2 ′. At this time, a fluid such as liquid oil in the fluid cylinder 6 moves downward through the flow passage pipe 62 through the cylinder screw 61 from above. At that time, if the amount of fluid such as liquid oil passing through the cylinder screw 61 is small, the second weight 3 moves slowly upward, and if the amount of fluid such as liquid oil passing through the cylinder screw 61 is large, the second weight 3 Move relatively fast upwards. By adjusting not only the weight of the second weight 3 but also the flow rate of fluid such as liquid oil passing through the flow path pipe 62 and the cylinder screw 61 with the cylinder screw 61, the speed at which the second weight 3 moves upward is adjusted. Can be adjusted.

  Conversely, when the second weight 3 is lowered and the first weight 1 is raised, the fluid such as liquid oil in the fluid cylinder 6 passes through the bypass 63 from the lower side through the passage pipe 62. Move up. Thus, fluid such as liquid oil flows in one way from the upper side to the lower side of the cylinder screw 61 and from the lower side to the upper side of the bypass 63, and only the speed at which the second weight 3 is pulled up can be adjusted. it can.

  In this way, the fluid pressure cylinder 6 can adjust the speed at which the first weight 1 interlocked with the second weight 3 moves vertically downward, so that the speed at which the gate D moves when the gate D is closed can also be adjusted. Can be adjusted.

  The valve 7 is provided in the flow path pipe 62 of the fluid pressure cylinder 6 and is a member for blocking or opening a flow of fluid such as liquid oil flowing through the flow path pipe 62. When the gate D is closed by the valve 7, if a person or an animal is likely to be sandwiched between the gates D, the flow of fluid such as liquid oil flowing through the flow path pipe 62 is blocked. The movement of the gate D can be stopped. For example, the valve 7 is a mechanism that can switch between a flow and a fluid flow such as a ball valve in the flow path pipe 62 so that the movement of the gate D can be stopped by the judgment of the trap. It is preferable to use a rod-like lever or a push button of the road pipe 62.

  The gate D is a member that dams up seawater or the like that is about to land due to a storm surge or a tsunami. The gate D is provided with a moving wheel for smooth movement at the lower part, and a driving gear rack 43 that meshes with the driving gear 42 at the upper part. Moreover, it is preferable that the gate D is a metal which does not have a hole and a clearance gap so that seawater etc. may not be passed to the land side, and so that it can endure the pressure of seawater etc.

  As shown in FIGS. 1 and 2, the gate D moves in the opening direction and the closing direction, but its movement is restricted by the stoppers S provided at both lower portions of the closing device E, and moves between the stoppers S.

  A series of operations of the closing device E of the present invention having the above constituent members will be described below.

  When closing the gate D from the open state, first, any of the gears constituting the transmission 41 or a stopper (not shown) locked to the rotating body 5 or the like detects the shaking of the man-made or earthquake. The locking is released in conjunction with the device. When the first weight 1 positioned vertically upward begins to move vertically downward, the linear member 2 provided on the first weight 1 is rotated by the rotating body 5 via the fixed pulleys FP1 and FP2. Is rotated counterclockwise in FIGS. Then, the linear member 2 ′ wound around the rotating body 5 pulls up the movable pulley MV through the fixed pulley FP3. The fluid pressure cylinder 6 provided in the movable pulley MV pulls up the second weight 3 provided at the other end of the fluid pressure cylinder 6. At this time, the amount of fluid such as liquid oil inside the fluid pressure cylinder 6 flowing through the flow path pipe 62 is adjusted in advance by the cylinder screw 61, and in combination with the weight of the second weight 3, The speed at which the first weight 1 moves vertically downward is adjusted. On the other hand, when the rotating body 5 around which the linear members 2 and 2 ′ are wound is rotated, the speed is increased by a plurality of gears of the transmission 4 connected to the rotating body 5, and the transmission member G is transmitted. Then, the drive gear 42 is rotated. When the rotating drive gear 42 meshes with the drive gear rack 43, the gate D to which the drive gear rack 43 is attached moves in the closing direction.

  On the other hand, when opening from the state where the gate D is closed, first, by using an instrument or the like, manually move one of the gears constituting the transmission 41 or the rotating body 5 in the direction opposite to that when the gate D is closed. Rotate. Then, the rotating body 5 rotates clockwise in FIGS. 1 and 2, and the linear member 2 pulls up the first weight 1 vertically upward via the fixed pulleys FP1 and FP2. Then, the linear member 2 ′ wound around the rotating body 5 lowers the movable pulley MV downward via the fixed pulley FP3. Then, the fluid pressure cylinder 6 provided on the movable pulley MV and the second weight 3 provided on the other end of the fluid pressure cylinder 6 are lowered. Further, when the rotating body 5 around which the linear members 2 and 2 ′ are wound rotates, the speed is increased by a plurality of gears of the transmission 4 connected to the rotating body 5, and the speed is increased via the transmission member G. Then, the drive gear 42 is rotated. When the rotating drive gear 42 meshes with the drive gear rack 43, the gate D to which the drive gear rack 43 is attached moves in the opening direction. When the first weight 1 is raised to a predetermined position, a stopper is locked to any of the gears constituting the transmission 41 or the rotating body 5 so that the first weight 1 is vertically lowered by its own weight. Avoid moving.

E ... Gate closing device 1 ... First weight
2, 2 ', linear member 3 ... second weight 4 ... power transmission means 41 ... transmission 42 ... drive gear 43 ... drive gear rack 5 ... rotating body 51 ... fixed member 6 ... · · Fluid pressure cylinder 61 · · Cylinder screw 62 · · Flow pipe 63 · · Bypass 7 · · · Valve D · · · Gate FP · · · fixed pulley MV · · · moving pulley P · · · prop AW · · auxiliary wheel G: Transmission member MW ... Moving wheel S ... Stopper

Claims (5)

A first weight movable vertically in the vertical direction;
A linear member for suspending the first weight;
Interlocked via the linear member, a second weight that moves in the opposite direction to the moving direction of the first weight;
A gate closing device comprising power transmission means for transmitting a force generated when the first weight moves vertically downward to the gate. A rotating body capable of winding the linear member and connected to the power transmission means;
A fluid pressure cylinder that follows the linear member and suspends the second weight;
The closing device according to claim 1, further comprising: The power transmission means is
A transmission comprising a plurality of gears connected to the rotating body and having different sizes;
A drive gear interlocking with the transmission;
The gate closing device according to claim 1, further comprising a drive gear rack that meshes with the drive gear and is fixed to the gate. The gate closing device according to any one of claims 1 to 3, wherein the first weight has a box shape. The closing device according to claim 2, wherein a valve capable of blocking movement of an internal fluid is attached to the fluid pressure cylinder.

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