JP4721699B2 - Inboard door opening and closing system - Google Patents

Description

  The present invention relates to an improvement in an inboard door opening / closing system.

  The main passage in the ship is provided with a plurality of ship doors and a manual opening / closing system. This inboard door opening / closing system prevents water from entering through the inboard passage when a passenger manually closes the inboard door.

Patent Document 1 discloses a semi-automatic opening / closing system provided in a fire door that opens / closes an entrance / exit of an inboard elevator.
JP 2003-343519 A

  However, since the conventional manual opening / closing system requires a large number of passengers to open and close a large number of inboard doors, a plurality of inboard doors provided in the inboard passage are opened and closed remotely from the control room, A system that manually opens and closes an inboard door in response to a power failure is desired.

  The present invention has been made in view of the above problems, and an object thereof is to provide an opening / closing system suitable for a plurality of ship doors provided in a ship passage.

  The present invention is applied to an opening / closing system for an inboard door that opens and closes an opening of a partition wall provided in the ship.

An opening / closing cylinder for opening and closing the inboard door; an open lock cylinder for locking the movement of the inboard door at an open position; a closed lock cylinder for securing the inboard door to the partition wall at a closed position; Cylinders, open lock cylinders and closed lock cylinders for supplying and discharging working fluid, and the open / close cylinders, open lock cylinders, and closed lock cylinders are extended and retracted via the operating pressure circuits. A control panel for controlling, and each bypass valve for short-circuiting each operating pressure circuit to disable the open / close cylinder, the open lock cylinder, and the closed lock cylinder, and closing the bypass valve The control panel automatically expands and contracts the open / close cylinder, the open lock cylinder, and the close lock cylinder to open and close the inboard door. A structure in which opening and closing of the inboard door manually extend and retract actuating the closing lock cylinder and the open lock cylinder and the closing cylinder by opening the respective bypass valve is made, the said the said opening and closing cylinder closed lock cylinder A bypass valve interposed for each operating pressure circuit is provided as a pair as a first and a second bypass valve, and the first and second bypass valves are arranged on both front and rear sides of the inboard passage with the inboard door interposed therebetween. Was characterized.

  According to the present invention, the opening / closing system of the inboard door opens / closes the inboard door by causing the control panel to automatically extend / contract the opening / closing cylinder, the open lock cylinder, and the close lock cylinder by closing each bypass valve. . Thereby, the inboard door can be automatically opened and closed by remote control. As described above, since the opening / closing cylinder, the open lock cylinder, and the close lock cylinder are operated by the fluid pressure, the ship can be reliably operated even in a state in which the ship is vigorously shaken.

  The inboard door opening / closing system is designed to manually extend and retract the open / close cylinder, open lock cylinder, and close lock cylinder by opening each bypass valve when the control panel becomes inoperable due to a power failure. The inboard door is opened and closed by operating.

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

  As shown in FIG. 1, an opening is provided in a bulkhead (combing) 2 provided in an inboard passage 1 in the ship, and an inboard door 4 for opening and closing the opening is provided. The inboard door 4 has a mass of several hundred kg.

  FIG. 4 shows a state where the inboard door 4 is in the open position. The inboard door 4 is supported with respect to the partition wall 2 via upper and lower hinges 11 and 12 so as to be rotatable in a range of about 90 degrees around the vertical axis. A packing 18 is provided between the inboard door 4 and the partition wall 2 in the closed position so as to seal the opening.

  The opening / closing system of the inboard door 4 includes an opening / closing cylinder 20 that drives the opening / closing of the inboard door 4, an open lock cylinder 30 that locks the movement of the inboard door 4 in the open position, and a closed lock that locks the inboard door 4 in the closed position. A control panel 70 that automatically opens and closes the inboard door 4 by controlling the expansion and contraction of the cylinder 40, the open / close cylinder 20, the open lock cylinder 30 and the close lock cylinder 40, the open / close cylinder 20, the open lock cylinder 30 and the closed lock cylinder. 40, each operating pressure circuit for supplying and discharging hydraulic oil is short-circuited, and each of the bypass valves 65 to 69 for disabling the open / close cylinder 20, the open lock cylinder 30 and the closed lock cylinder 40 is provided.

  The opening / closing system includes a hook 29 that locks the movement of the inboard door 4 in the open position, and the open lock cylinder 30 drives the hook 29 by hydraulic pressure (fluid pressure). The open lock cylinder 30 generates a force of several hundred kgf and has a soft stop cushion at its stroke end.

  The main body of the open lock cylinder 30 is supported via a trunnion pin 33 so as to be rotatable about a vertical axis. The expansion / contraction operation of the open lock cylinder 30 is converted into an operation in which the hook 29 engages and releases the movement of the inboard door 4 at the open position.

  The inboard door 4 is provided with a handle 8, and the hook 29 engages with the handle 8 as shown in FIG. 4 to lock the inboard door 4 in the open position.

  The hook 29 is supported via a pin 31 so as to be rotatable around a vertical axis. A rod tip of an open lock cylinder 30 is connected to the hook 29 via a pin 32 so as to be rotatable.

  When the open lock cylinder 30 is extended, the hook 29 locks the movement of the inboard door 4 in the open position, and when the open lock cylinder 30 contracts, the hook 29 releases the lock of the inboard door 4.

  The opening / closing system includes a plurality of cleats 39 for securing the inboard door 4 in the closed position, and a closed position lock lever 50 for manually driving the cleats 39.

  FIG. 3 shows the back side of the partition wall 2. Each cleat 39 is rotatably supported by the partition wall 2 via each pin 41 and is interlocked with each other via a link mechanism 42.

  The link mechanism 42 includes pins 41 that penetrate the partition wall 2, links 43 to 46 that are fixed to end portions on the back side of the pins 41, rods 47 that interlock the links 43 to 46, and the like. Consists of.

  The operation of manually rotating the closed position lock lever 50 is converted into an operation in which each cleat 39 secures and releases the inboard door 4 in the closed position via the link mechanism 42.

  The closed position lock lever 50 penetrates the partition wall 2 horizontally through the lever 52 disposed on the front side of the inboard door 4 (see FIG. 2), the lever 53 disposed on the rear side of the inboard door 4 (see FIG. 3). A pin 51 that is rotatably supported around an axis, and a link 54 that transmits the rotation of the pin 51 to the link 44 are provided.

  When the closed position lock lever 50 is manually rotated to a substantially horizontal position facing the inboard door 4 as shown in FIG. 2, each cleat 39 is engaged with each plate 55 via the link mechanism 42, and the inboard door 4 is secured in the closed position. As a result, the packing 18 comes into close contact with the partition wall 2 side, and the seal between the inboard door 4 and the partition wall 2 is removed. On the other hand, when the closed position lock lever 50 is manually rotated to a substantially vertical position facing the partition wall 2 as shown in FIG. The ship's door 4 is unlocked.

  The closed lock cylinder 40 drives each cleat 39 by hydraulic pressure (fluid pressure). The main body of the closed lock cylinder 40 is fixed to the back side of the partition wall 2. The expansion / contraction operation of the closed lock cylinder 40 is converted into an operation in which each cleat 39 secures and releases the inboard door 4 in the closed position via the link mechanism 42. The closed lock cylinder 40 generates a force of several hundred kgf, and has a soft stop cushion at its stroke end.

  A cam plate 48 is connected to the middle of the rod 47, and a long hole 49 is formed in the cam plate 48. The rod tip of the closed lock cylinder 40 is engaged with the long hole 49 via the pin 52.

  When the closed lock cylinder 40 is extended, each cleat 39 secures the inboard door 4 in the closed position via the link mechanism 42. On the other hand, when the closed lock cylinder 40 is contracted, the cleats 39 are removed from the plates 55 via the link mechanisms 42 and drawn to the partition 2 side, and the inboard door 4 is released from being locked.

  The open / close cylinder 20 drives the inboard door 4 to open and close by hydraulic pressure (fluid pressure). The open / close cylinder 20 is supported via a trunnion pin 26 so as to be rotatable about a vertical axis. The trunnion pin 26 is supported on the side wall 5 of the inboard passage 1 via a bracket 27. The expansion / contraction operation of the opening / closing cylinder 20 is converted into the opening / closing operation of the inboard door 4 via the door opening / closing link mechanism 19. The open / close cylinder 20 generates a force of 400 to 500 kgf, and pushes the central portion of the inboard door 4 with a force of about 50 kgf. The open / close cylinder 20 has a soft stop cushion at its stroke end.

  As shown in FIG. 4, the door opening / closing link mechanism 19 includes a link 22 connected to the partition wall 2 via a pin 21 so as to be rotatable about a vertical axis, and a rod of the opening / closing cylinder 20 is provided at one end of the link 22. A front end portion is rotatably connected via a pin 23, and a roller 24 is rotatably connected to the other end portion of the link 22, and the inboard door 4 is driven to open and close via the roller 24. The inboard door 4 is provided with a guide rail 25 extending in the horizontal direction, and a roller 24 is engaged with the guide rail 25.

  When the opening / closing cylinder 20 is extended, the link 22 rotates around the pin 21, and the roller 24 rotates the inboard door 4 in the opening direction while traveling on the guide rail 25. On the other hand, when the opening / closing cylinder 20 is contracted, the inboard door 4 rotates in the closing direction.

  FIG. 5 shows a configuration of a hydraulic circuit and a control system for controlling the operation of the open / close cylinder 20, the open lock cylinder 30, and the close lock cylinder 40.

  The open / close cylinder 20, the open lock cylinder 30, and the close lock cylinder 40 are respectively double rod type hydraulic cylinders in which the pressure receiving area driven to the expansion side and the pressure receiving area driven to the contraction side are set equal.

  Closed operating pressure circuits 62, 63, 64 are provided for supplying and discharging hydraulic oil to the open / close cylinder 20, open lock cylinder 30, and close lock cylinder 40, respectively.

  The operating pressure circuits 62, 63, and 64 include bidirectional discharge-type hydraulic pumps 56, 57, and 58, and electric motors 59, 60, and 61 that rotationally drive the hydraulic pumps 56, 57, and 58 in both forward and reverse directions. Is provided. The opening / closing cylinder 20, the open lock cylinder 30, and the close lock cylinder 40 are respectively expanded and contracted by switching the discharge directions of the hydraulic pumps 56, 57, and 58.

  In response to a power failure, first and second bypass valves 65 and 66 for shorting the operating pressure circuit 62 and disabling the open / close cylinder 20 are interposed, and the operating pressure circuit 63 is shorted and opened. A bypass valve 69 for disabling the lock cylinder 30 is interposed, and first and second bypass valves 67 and 68 for disabling the closed lock cylinder 40 by short-circuiting the operating pressure circuit 64 are interposed.

  The first bypass valves 65 and 67 and the second bypass valves 66 and 68 are provided on both front and rear sides of the inboard door 4 of the inboard passage 1. Thus, regardless of whether the occupant is on the front side or the rear side of the inboard door 4, one of the first bypass valves 65, 67 and the second bypass valves 66, 68 is opened, thereby closing the open / close cylinder 20 that has been disabled. The lock cylinder 40 can be manually expanded and contracted to open and close the inboard door 4.

  The inboard passage 1 includes six inboard doors 4. The opening / closing system corresponds to each inboard door 4 with first to sixth units 81-86, a power panel 75 for supplying power to each unit 81-86, and a command signal for remotely operating each unit 81-86. A remote operation panel 71 for outputting.

  Each of the units 81 to 86 is a machine-side control that controls the operation of a hydraulic device constituted by the open / close cylinder 20, the open lock cylinder 30, the close lock cylinder 40, etc., and the hydraulic device provided corresponding to each inboard door 4. A panel 70 and two machine-side operation panels 72 and 73 that output command signals to the machine-side control board 70 are provided.

  That is, the opening / closing system sandwiches the remote operation panel 71 provided in the control room and the inboard door 4 of the inboard passage 1 as an operation panel that outputs a command signal to the aircraft control panel 70 when operated by the operator. And machine-side operation panels 72 and 73 provided on both the front and rear sides.

  The open / close cylinder 20, the open lock cylinder 30, and the close lock cylinder 40 are each provided with a contactless limit switch 9 that detects whether or not a predetermined stroke on the extension side and the pressure side is reached.

  The machine-side control panel 70 receives the command signals sent from the operation panels 71, 72, 73 and the detection signals of the limit switches 9, and according to the operating states of the open / close cylinder 20, the open lock cylinder 30, and the close lock cylinder 40. Then, the drive of each electric motor 59, 60, 61 is sequence-controlled, and the inboard door 4 is automatically opened and closed.

  The opening / closing system of the inboard door 4 is configured as described above. By closing the bypass valves 65 to 69, the machine control panel 70 automatically opens the opening / closing cylinder 20, the open lock cylinder 30 and the closed lock cylinder 40. The inboard door 4 is opened and closed by extending and contracting.

When the inboard door 4 is closed from the open position to the closed position, the aircraft control panel 70 performs sequence control according to the following procedure.
-The open lock cylinder 30 is contracted. As a result, the hook 29 rotates to release the engagement with the handle 8.
When it is detected that the open lock cylinder 30 has reached a predetermined stroke via the limit switch 9, the open / close cylinder 20 is contracted. Thereby, the inboard door 4 rotates in the closing direction.
When it is detected via the limit switch 9 that the open / close cylinder 20 has reached a predetermined stroke, the closed lock cylinder 40 is extended. As a result, each cleat 39 engages with each plate 55 to lock the inboard door 4 in the closed position, and the closed position lock lever 50 rotates to a substantially horizontal position facing the inboard door 4.

On the other hand, when the inboard door 4 is opened from the closed position to the open position, the aircraft control panel 70 performs sequence control according to the following procedure.
-The closed lock cylinder 40 is contracted. Thereby, each cleat 39 releases the engagement with each plate 55, and does not restrain the opening / closing operation of the inboard door 4, and the closed position lock lever 50 rotates to a substantially vertical position facing the partition wall 2.
When it is detected via the limit switch 9 that the closed lock cylinder 40 has reached a predetermined stroke, the open / close cylinder 20 is extended. Thereby, the inboard door 4 rotates in the opening direction.
When it is detected via the limit switch 9 that the open / close cylinder 20 has reached a predetermined stroke, the open lock cylinder 30 is extended. As a result, the hook 29 rotates and engages with the handle 8.

  Thus, since the opening / closing system of the inboard door 4 is configured to operate the opening / closing cylinder 20, the open lock cylinder 30 and the closed lock cylinder 40 by hydraulic pressure, the open / close system can be reliably operated even in a state where the ship is shaken heavily.

  The open / close cylinder 20, the open lock cylinder 30, and the close lock cylinder 40 are not limited to hydraulic cylinders, and air cylinders that are operated by air pressure may be used.

  Since the opening / closing system includes a remote operation panel 71 provided in the control room and machine-side operation panels 72 and 73 provided on both front and rear sides of the inboard door 4 of the inboard passage 1, the machine-side control panel 70 is operated remotely. Each inboard door 4 is automatically opened and closed by remote control from the control room performed via the panel 71, and the inboard door 4 is automatically operated by operation in the vicinity of the inboard door 4 via the machine side operation panels 72 and 73. Open and close.

  Since the machine-side operation panels 72 and 73 are provided on both front and rear sides of the inboard passage 4 of the inboard passage 1, the inboard door 4 is automatically opened regardless of whether the occupant is on the front side or the rear side of the inboard door 4. Can be opened and closed.

  Since the machine-side control panel 70 for controlling the operation of the hydraulic device is provided for each of the first to sixth units 81 to 86 that open and close each inboard door 4, each control panel has a control panel provided in the control room. The wiring for supplying electric power to the electric motors 59, 60, 61 is shortened to reduce the weight of the apparatus.

  The open / close system manually opens and closes the open / close cylinder 20, the open lock cylinder 30, and the closed lock cylinder 40 by opening the bypass valves 65 to 69 when the power supply fails, etc. 4 is opened and closed.

When the inboard door 4 in the open position is manually closed, it is operated by the following procedure.
The operator opens the first bypass valve 65, the bypass valve 69 , and the first bypass valve 67, respectively.
-The hook 29 is rotated and the engagement with the handle 8 is released. Along with this, the open lock cylinder 30 is contracted.
-The operator manually turns the inboard door 4 in the closing direction. Along with this, the open / close cylinder 20 is contracted.
The operator rotates the closed position lock lever 50 from a substantially vertical position to a substantially horizontal position. Along with this, the closed lock cylinder 40 is extended. Thereby, each cleat 39 engages with each plate 55, and the inboard door 4 is secured in the closed position.

On the other hand, when manually opening the inboard door 4 in the closed position, it is operated in the following procedure.
When the operator is on the front side of the door 4, the first bypass valve 65, the bypass valve 69 , and the first bypass valve 67 are opened. When the operator is behind the door 4, the second bypass valve 66 and the second bypass valve 68 are opened.
The operator manually rotates the closed position lock lever 50 from the substantially horizontal position to the approximately vertical position. Along with this, the closed lock cylinder 40 is contracted. Thereby, each cleat 39 cancels | releases engagement with each plate 55, and does not restrain the opening / closing operation | movement of the inboard door 4. FIG.
-An operator manually rotates the inboard door 4 in the opening direction by holding the handle 8 or the like. Along with this, the open / close cylinder 20 is extended.
When the operator is on the rear side of the inboard door 4, the operator moves to the front side of the inboard door 4 and opens the bypass valve 69 .
-The hook 29 is rotated and engaged with the handle 8. Along with this, the open lock cylinder 30 is extended.

  Since the first bypass valves 65 and 67 and the second bypass valves 66 and 68 are provided on both front and rear sides of the inboard door 4 of the inboard passage 1, no matter whether the occupant is on the front side or the rear side of the inboard door 4. By opening one of the first bypass valves 65 and 67 and the second bypass valves 66 and 68, the open / close cylinder 20 and the closed lock cylinder 40, which have been disabled, can be manually expanded and contracted to open and close the inboard door 4. Yes.

  Since a double rod type fluid pressure cylinder is used as the open / close cylinder 20, the open lock cylinder 30, and the close lock cylinder 40, and the bi-directional discharge type electric hydraulic pumps 56, 57, 58 are interposed in the operating pressure circuits 62, 63, 64, The open / close cylinder 20, the open lock cylinder 30, and the close lock cylinder 40 can be expanded and contracted by switching the discharge directions of the hydraulic pumps 56, 57, and 58, respectively. As a result, it is not necessary to provide hydraulic piping extending from the hydraulic pressure source of the ship for the units 81 to 86, and the weight can be reduced.

  The operating pressure circuit of the open / close cylinder 20, the open lock cylinder 30 and the close lock cylinder 40 may be an open circuit connected to the hydraulic power source and the tank side, and the flow of hydraulic oil may be controlled via a switching valve. And it is good also as a structure which incorporates each bypass valve 65-69 in said switching valve. In this case, the open / close cylinder 20, the open lock cylinder 30, and the close lock cylinder 40 do not need to be provided with a double rod type hydraulic cylinder.

  Further, a boost type hydraulic pump that operates by air pressure may be used as a hydraulic source.

  The present invention is not limited to the above-described embodiment, and it is obvious that various modifications can be made within the scope of the technical idea.

  The inboard door opening and closing system of the present invention can be used for doors provided on various partition walls of a ship.

The perspective view of the opening / closing system of the inboard door which shows embodiment of this invention. A front view of the inboard door and the like. A rear view of the inboard door and the like. Sectional drawing of an inboard door etc. similarly. The system block diagram of the opening / closing system of an inboard door similarly.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Inboard passage 2 Bulkhead 4 Inboard door 8 Handle 20 Open / close cylinder 30 Open lock cylinder 40 Close lock cylinder 56-58 Electric hydraulic pump 62-64 Operating pressure circuit 65-69 Bypass valve 70 Machine side control panel 71 Remote operation panel 72, 73 Machine side operation panel 81-86 units

Claims (4)

In the opening / closing system of the inboard door that opens and closes the opening of the bulkhead provided in the ship,
An open / close cylinder for opening and closing the inboard door;
An open lock cylinder for locking the movement of the inboard door at an open position;
A closed lock cylinder for securing the inboard door to the bulkhead in a closed position;
Each operating pressure circuit for supplying and discharging working fluid to and from the open / close cylinder, the open lock cylinder, and the closed lock cylinder,
A control panel for controlling expansion / contraction operation of the open / close cylinder, the open lock cylinder, and the close lock cylinder via the operating pressure circuits;
Each bypass valve for short-circuiting each operating pressure circuit to disable the open / close cylinder, the open lock cylinder, and the close lock cylinder;
By closing each bypass valve, the control panel automatically expands and contracts the open / close cylinder, the open lock cylinder, and the close lock cylinder to open and close the inboard door, while each bypass valve is opened and closed. The open / close cylinder, the open lock cylinder, and the close lock cylinder are manually expanded and contracted by opening and closing to open and close the inboard door ,
A bypass valve provided for each operating pressure circuit of the open / close cylinder and the closed lock cylinder is provided as a pair as a first and a second bypass valve,
An inboard door opening and closing system , wherein the first and second bypass valves are arranged on both front and rear sides of an inboard passage with the inboard door interposed therebetween . The open / close cylinder, the open lock cylinder, the close lock cylinder, and the operating pressure circuits constitute a plurality of units that open and close the inboard door, and each unit includes the control panel. The inboard door opening and closing system according to claim 1. As an operation panel for outputting a command signal to the control panel, a remote operation panel provided in the control room,
3. The inboard door opening and closing system according to claim 1, further comprising: each operation side operation panel provided on both front and rear sides of the inboard passage with the inboard door interposed therebetween. 4. A double rod-type fluid pressure cylinder is used as the open / close cylinder, the open lock cylinder, and the close lock cylinder, and a bidirectional discharge type electric hydraulic pump is interposed in the operating pressure circuit. The opening / closing system of an inboard door as described in any one of.

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