JP6170727B2 - Emergency release device for cargo handling equipment - Google Patents

Description

  The present invention is provided in the middle of a pipe of a cargo handling device when handling a carrier such as liquefied natural gas or liquefied petroleum gas or other liquids / gases, for example. The present invention relates to an emergency disengagement device in a cargo handling device that is separated to ensure safety.

  Conventionally, for example, when handling various fluids such as liquefied natural gas and liquefied petroleum gas between offshore tankers and terrestrial fluid storage facilities, the tankers are not expected due to strong winds, storm surges, or tsunamis. For the purpose of preventing the outflow of the fluid being transported when a breakage occurs in the fluid transport line of the fluid handling device provided between the sea side and the land side due to movement or when such a risk is detected, or In the event of an unforeseen event such as a fire on the sea side or on the land side, the emergency stop valve (open / close valve) immediately shuts off the fluid transfer in an emergency in order to prevent further damage to the other side. Thus, an emergency separation device is used that separates the transfer line into the sea side and the land side after the valve is closed to prevent the fluid from flowing out.

  As an emergency release device in this cargo handling device, a pair of couplers each provided with an on-off valve (emergency shut-off valve) and connected to each other, a detachable connection mechanism for connecting the pair of couplers so as to be detachable in an emergency manner, An opening / closing valve operating mechanism comprising an opening / closing drive device (for example, a hydraulic cylinder device) for opening / closing the valve, for example, in the middle of a pipe of a cargo handling device such as a loading arm installed between the sea side and the land side The on-off valves provided on the pair of couplers are opened and closed simultaneously by the operation of the hydraulic cylinder device, and the on-off valves are closed at the same time so that both on-off valves are closed. After blocking and preventing external outflow, the coupling between the couplers is released by the release operation of the attachment / detachment connection mechanism and separated from the sea side and the land side. Those configured to the cross-sectional are known.

  That is, the first coupler and the second coupler, each provided with an opening / closing valve for blocking the conveyance and outflow of the conveyance body, are configured to be detachable up and down via a detachable coupling mechanism so as to be urgently detachable. The on-off valve operating mechanism for opening and closing each of the on-off valves of the upper first coupler on the side and the lower second coupler on the sea side, specifically, the on-off valve operating mechanism is, for example, The opening / closing pivot rod is provided so as to protrude from the left and right sides of the opening / closing pivot portion of the on / off valve, and the opening / closing pivot portion is opened by pivoting so that one side of the opening / closing pivot rod is lowered. The opening / closing rotation part rotates in the valve closing direction and closes by opening the valve in the valve direction and opening the valve in the opposite direction. Open / close drive device (hydraulic cylinder device) that switches and rotates the rod in the valve opening direction and valve closing direction A pressing operation rod is suspended from both ends of the upper opening / closing rotation rod, and a lower end portion of the pressing operation rod is removably engaged with both ends of the lower opening / closing rotation rod. When the upper opening / closing pivot rod is pivoted so that one side portion is lowered, the one-side pressing manipulation rod presses the one side portion of the lower opening / closing pivot rod downwards in the same direction. It is set as the structure which interlocks and rotates.

  Therefore, in the event of an emergency, the opening / closing valve operating mechanism is activated, the upper opening / closing turning rod is rotated in the valve closing direction, and the upper opening / closing rotating portion is rotated in the valve closing direction so as to be on the land side. When the opening / closing valve is closed, the pressing operation rod on one side of the pressing operation rod provided at both ends of the upper opening / closing rotation rod is a lower sea side due to the rotation of the upper opening / closing rotation rod. The one side of the side opening / closing turning rod is pressed downward to turn in the valve closing direction, the lower opening / closing turning portion is turned in the valve closing direction, and the lower opening / closing valve is also closed. The on-off valve of each of the one coupler and the second coupler is configured to be in a closed state, and the connection between the first coupler and the second coupler is released by the release operation of the attachment / detachment connection mechanism. One coupler and the second coupler are separated so that the land side and the sea side are separated.

  However, since each of the pressing operation rods is simply suspended downward at the time of emergency detachment as described above, the detachment rises due to, for example, problems of the ship swinging or the hydraulic system of the cargo handling device itself after detachment. The lower end of the pressing operation rod may come into contact with or collide with the lower opening / closing turning rod, the lower second coupler, or other parts. When the collision direction coincides with the drooping direction of the pressing operation rod, a strong impact force acts on the upper opening / closing rotation rod through the contact object or the pressing operation rod, which may cause breakage or damage.

  The present invention solves such a problem, and even if the pressing operation rod comes off and then comes into contact with or collides with a surrounding object again, the pressing operation rod can rotate and rotate. Since it is configured to be held in a tilted posture by dynamic biasing, an emergency release device in an innovative cargo handling device that can smoothly rotate in the tilting direction, reduce its impact, and prevent damage or breakage. The purpose is to provide.

  The gist of the present invention will be described with reference to the accompanying drawings.

A first coupler 2 and a second coupler 3 each provided with an on-off valve 1 for blocking conveyance and outflow of the conveyance body are detachably connected via a detachable connection mechanism 4 to be configured to be urgently detachable. An on-off valve operating mechanism A for opening and closing the on-off valve 1 of each of the first coupler 2 and the second coupler 3 is provided. The on-off valve operating mechanism A opens the on-off valve 1 by rotating in a predetermined direction. An opening / closing rotation section 5 that closes the opening / closing valve 1 by rotating in the opposite direction is provided in each of the opening / closing valves 1 of the first coupler 2 and the second coupler 3. each of the opening and closing rotation bar 6 provided in the closing rotating portion 5 provided on the valve 1, one-off is the opening and closing rotation bar 6 provided in the opening and closing pivotal portion 5 of the one-off valve 1 closing drive device 9 for switching rotating the rotation bar 6 in the valve opening direction and the closing direction is provided, for this opening and closing The pressing operation rod 7 on both sides of the one opening and closing rotation bar 6 to switch rotates in the valve opening direction and the closing direction by a kinematic device 9 is provided, the other side the leading end of the pressing operation rod 7 The one opening / closing pivot is removably engaged with both sides of the other opening / closing pivot 6 which is an opening / closing pivot 6 provided in the opening / closing pivot 5 of the opening / closing valve 1. rod 6 is configured so as pressing the operating rod 7 pieces side by rotating rotates one side portion to the pressing to the same direction of the other opening and closing rotation bar 6, actuating the on-off valve in the event of an emergency mechanism a rotating unit 5 together with to said one of the on-off valve 1 is closed for pivot rotates to the one opening and closing rotation bar 6 is the valve closing direction of actuation the opening, the one opening and closing of the The pressing operation rod 7 on one side of the pressing operation rod 7 provided on both sides of the rotating rotation rod 6 is opened by the rotation of the one opening / closing rotation rod 6. The on-off valve 1 of the other one side portion is pressed to rotate in the closing direction the opening and closing rotating unit 5 is rotated in use once Do杆6 be closed, the said first coupler 2 second The on-off valve 1 of each of the two couplers 3 is configured to be in a closed state, and the attachment / detachment connection mechanism 4 releases the connection between the first coupler 2 and the second coupler 3 to release the first coupler. 2 and the second coupler 3 are configured to be separated from each other, the pressing operation rods 7 provided on both sides of the one opening / closing rotation rod 6 are pivotably pivoted. When it is provided freely and a rotation urging mechanism 8 is provided for urging and urging the pressing operation rod 7, the tip of the pressing operation rod 7 is detached from the other opening / closing rotation rod 6. The pressing urging mechanism 7 is rotated by the rotation urging mechanism 8 to be inclined. The present invention relates to an emergency disengagement device in a cargo handling device that is characterized by the above.

Further, the first coupler 2 and the second coupler 3 disposed in the vertical direction are detachably connected via the detachable connecting mechanism 4 so as to be detachable in an emergency manner . The opening / closing turning rods 6 provided so as to protrude from both sides of the opening / closing turning portion 5 for opening and closing the opening / closing valve 1 provided in the two coupler 3 are arranged in the vertical direction, and are arranged above and below this. wherein said opening and closing valve 1 both to a closed state by the both the opening and closing rotation bar 6 rotates in the same direction rotates both in the closing direction both the opening and closing rotational unit 5 configure-off valve actuating mechanism a, the pressing operation lever 7 tilted rotatably and vertically to the end portions of the opening and closing rotation bar 6 which is arranged above the side of the opening and closing valve operating mechanism a, the the pressing operating rod 7 is provided the rotation urging mechanism 8 for urging the tilt pivot to the side outwardly, is disposed above under an emergency the Both the closing pivot rods 6 rotate in the valve closing direction and both the opening / closing rotating sections 5 rotate in the valve closing direction, so that the opening / closing valve 1 is closed, and the attachment / detachment coupling mechanism. When the first coupler 2 and the second coupler 3 are urgently disconnected when the connection 4 is released, the pressing operation engaged with both ends of the opening / closing turning rod 6 disposed on the lower side When the distal end portion of the collar 7 is lifted upward, the pressing operation collar 7 is rotated to the side outward by the rotation biasing mechanism 8 to change the posture from the hanging posture to the inclined posture inclined to the side outward. The emergency detachment device in the cargo handling device according to claim 1, wherein the device is configured as described above.

Further, the lower side of the pressing operating rod 7 of the bi-lateral that has left from the opening and closing rotation bar 6, wherein the rotation urging mechanism to turn biasing force for holding the tilting posture tilted in V-shape When the lower end of the pressing operation rod 7 contacts or collides after the emergency detachment, the pressing operation rod 7 is further tilted outward along the contact target. 3. The emergency detachment apparatus for a cargo handling apparatus according to claim 2, wherein the emergency detachment apparatus is configured such that the impact force to the contact target is reduced by rotating.

  Since the present invention is configured as described above, even if the pressing operation rod is released and then comes into contact with or collides with a peripheral object again, the pressing operation rod can be rotated and biased. Since it is configured to be held in a tilted posture, it can be smoothly rotated in the tilting direction, the impact can be mitigated, and an urgent release device in an innovative cargo handling device that can prevent damage or breakage.

  Further, in the inventions according to claims 2 and 3, the present invention can be realized more easily, and the emergency release device in the cargo handling device having extremely excellent practicality is obtained.

It is schematic structure explanatory drawing of the fluid handling apparatus of a present Example. It is a description perspective view of the use state of this embodiment (in the valve open state during fluid handling). It is a description front view of the use condition (in the valve opening state and fluid handling) of a present Example. It is explanatory front view at the time of switching each on-off valve to a valve closing state simultaneously at the time of emergency of a present Example. It is explanatory front view which shows the emergency detachment | leave state of a present Example. It is explanatory front view which shows further rotating outside when it bounces after emergency departure of a present Example, and the operation lever for a press contacts a 2nd coupler again.

  An embodiment of the present invention which is considered to be suitable will be briefly described with reference to the drawings showing the operation of the present invention.

  In the event of an emergency, the on / off valve operating mechanism A is activated and the on / off valve 1 of each coupler 2 and 3 is switched to the closed state, blocking the transport and outflow of the carrier such as fluid, and then the detachable connection mechanism 4 is released. In operation, the first coupler 2 and the second coupler 3 are disconnected.

  Specifically, when the opening / closing valve operating mechanism A is activated in an emergency, that is, when the opening / closing drive device 9 is activated, one opening / closing turning rod 6 is turned in the valve closing direction, and the opening / closing turning portion 5 is moved. The valve is turned in the valve closing direction, and the one on-off valve 1 is closed.

  At this time, when the one opening / closing turning rod 6 is rotated in the valve closing direction, the tip of the pressing operation rod 7 on one side pushes the other opening / closing rotating rod 6 in the same valve closing direction. The opening / closing rotation part 5 is rotated in the valve closing direction, and the other opening / closing valve 1 is also closed.

  As described above, the opening / closing valve operating mechanism A (opening / closing drive device 9) is operated to rotate both the opening / closing rotating rods 6 in the valve closing direction via the pressing operation rod 7, thereby opening and closing both rotating portions. 5 is rotated to close both open / close valves 1, and then the detachable coupling mechanism 4 is decoupled by the operation of the decoupling drive device 10 to separate the first coupler 2 and the second coupler 3 from each other. Let

  For example, by configuring the cargo handling device so as to bias the first coupler 2 side in the disengagement direction in advance, when the detachable connecting mechanism 4 is released, the first coupler 2 is Leave the coupler 3.

  At this time, the distal end portion of the pressing operating rod 7 is detached from the other opening / closing rotating rod 6, but this pressing operating rod 7 is provided so as to be rotatable so as to be tiltable, and the rotation biasing mechanism 8. Therefore, when the engagement with the other opening / closing pivot 6 is disengaged and released, the pivot biasing mechanism 8 biases and holds the tilted posture.

  Therefore, even if the tip of the pressing operation rod 7 comes into contact with or collides with the opening / closing rotation rod 6, the second coupler 3, or other peripheral objects so as to bounce, the pressing operation rod 7 Is further tilted and rotated so as to slide the contact object, absorbing and mitigating the impact, and an opening / closing valve operating mechanism such as one opening / closing rotation rod 6 via the contact object or the pressing operation rod 7. A large impact force is not transmitted to A, and breakage and damage can be prevented.

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

  In this embodiment, an emergency (fluid shut-off) detaching device provided in a fluid handling device Y such as a loading arm for handling a fluid such as liquefied natural gas from a storage tank on land side to a storage tank on the sea side (for example, a ship such as a tanker). This is an embodiment applied to X, for example, provided at the tip of a loading arm Y provided on the land side.

  That is, an inboard arm 15 is provided at the upper end portion of the riser pipe 14 communicating with the storage tank via a swivel joint so as to be able to rotate and undulate horizontally, and the inboard arm 15 is connected to the tip end portion via the swivel joint. A board arm 16 can be opened and closed in an approaching / separating direction, and a joint part 17 is provided at the lower end of the outboard arm 16 together with a swivel joint and a joint part via the emergency release device X. While rotating the balance weight mechanism 18 while keeping the balance, the joint portion 17 is connected to a joint connecting portion 19 (manifold) communicating with a storage tank on the ship side to connect the fluid to transport a fluid (for example, a tanker) It is configured to load on a ship).

  The present embodiment is provided at the tip of the loading arm Y configured as described above. The first coupler 2 and the first coupler 2 each provided with an on-off valve 1 for shutting off the transport and outflow of a transport body such as a fluid in an emergency. The two couplers 3 are connected up and down via a detachable coupling mechanism 4 so as to be detachable and configured to be urgently detachable. For example, as described above, the upper first coupler 2 on the land side and the lower side on the sea side The on / off valve operating mechanism A for opening and closing each of the on / off valves 1 of the second coupler 3 is provided.

  The on-off valve operating mechanism A of the present embodiment has a configuration in which an on-off turning rod 6 is provided so as to project on both the left and right sides of an on-off turning portion 5 of an on-off valve 1 constituted by a ball valve or the like, that is, a ball At the front end of the opening / closing rotation part 5 as the opening / closing rotation shaft that switches from the open state that is in a communication state to the closed state that is in a shut-off state by rotating 90 degrees, such as a valve, The opening / closing rotating rod 6 serving as the opening / closing operating arm rod is provided in the projecting state, and the opening / closing rotating portion 5 is opened by rotating one side of the opening / closing rotating rod 6 downward. The opening / closing turning part 5 is turned in the valve closing direction to close the valve by turning in the direction and opening the valve, and turning the opposite side downward.

  An opening / closing drive device 9 is provided for switching the upper opening / closing turning rod 6 between the valve opening direction and the valve closing direction.

  Specifically, a hydraulic cylinder device 9 is provided as the opening / closing drive device 9, the advance / retreat rod 11 is connected to one side of the upper opening / closing rotation rod 6, and the advance / retreat rod 11 is advanced / retracted to open / close rotation. The on-off valve 1 is opened and closed by switching and rotating the rod 6 in the forward and reverse directions.

  Further, pressing operation rods 7 are vertically suspended at both ends of the upper opening / closing rotation rod 6, and the lower ends of the pressing operation rods 7 are detached from both ends of the lower opening / closing rotation rod 6. Engage freely, and the upper opening / closing pivot rod 6 pivots to one side, so that the one-side pressing manipulation rod 7 presses one side of the lower opening / closing pivot rod 6 downward. It is configured to rotate in conjunction with the direction.

  Specifically, the lower end portion of the pressing operation rod 7 and the lower opening and closing rotation rod 6 are configured to be engaged with the concave and convex portions. However, in this embodiment, the engagement concave portion is formed on the lower end portion of the pressing operation rod 7. A groove 12 is formed, and an engaging convex portion 13 with which the engaging concave groove 12 is engaged is provided at both ends of the lower opening / closing pivot 6, and the engaging concave groove 12, the engaging convex portion 13, When the upper opening / closing turning rod 6 is rotated in the engaged state, it is pressed by one pressing operation rod 7 so that the lower opening / closing rotating rod 6 is interlocked and rotated in the same direction. It is composed.

  Therefore, in an emergency, the on-off valve operating mechanism A is operated, the upper opening / closing turning rod 6 is turned in the valve closing direction, and the upper opening / closing turning portion 5 is turned in the valve closing direction. The upper opening / closing valve 1 is closed, and the pressing operation rod 7 on one side of the pressing operation rod 7 provided at both ends of the upper opening / closing rotation rod 6 is connected to the upper opening / closing rotation rod 6. By rotating, one side of the lower opening / closing turning rod 6 on the sea side is pressed downward to turn in the valve closing direction, and the lower opening / closing turning portion 5 is turned in the valve closing direction. The on-off valve 1 on the side is also closed so that the on-off valves 1 of the first coupler 2 on the land side and the second coupler 3 on the sea side are closed, and the attachment / detachment coupling mechanism 4 is released. By operation, the connection between the first coupler 2 and the second coupler 3 is released, and the first coupler 2 and the second coupler 3 are separated from each other. And sea-side is configured to separate.

  Further, in this embodiment, the hydraulic cylinder device 9 provided as the opening / closing drive device 9 is pivotally mounted so as to be tiltable, and the advancing / retracting rod 11 is pivotally mounted on one side of the upper opening / closing rotating rod 6.

  In addition, the detachable coupling mechanism 4 is configured to release after the opening / closing drive device 9 detects an emergency and closes the valve, that is, after both the open / close valves 1 close and shut off the cargo handling, The coupling device comprises a coupling device that superposes and couples the upper and lower first couplers 2 and the second coupler 3 together, and a coupling release drive device 10 that presses a locking buckle portion of the coupling device to release the coupling. The apparatus 10 is configured to operate at the timing.

  In the present embodiment, the pressing operation rods 7 provided on both sides of the upper opening / closing rotation rod 6 configured as described above are provided so as to be tiltable and rotatable, and the pressing operation rod 7 is rotated. When the lower end of the pressing operation rod 7 is disengaged from the lower opening / closing rotation rod 6, a pressing operation is performed by the rotation biasing mechanism 8. It is comprised so that the collar 7 may rotate and it may become an inclination posture.

  Specifically, a base end portion of the pressing operation rod 7 is pivotally attached to both ends of the upper opening / closing rotation rod 6 so as to be tiltable and rotatable. The rotation biasing mechanism 8 that tilts and biases outward is provided, and both the upper and lower opening / closing rotation rods 6 rotate in the valve closing direction in the event of an emergency so that the opening / closing rotation unit 5 is moved. When both of them turn in the valve closing direction, the on-off valve 1 is closed, and when the detachable coupling mechanism 4 is released and the first coupler 2 and the second coupler 3 are urgently separated, the lower When the lower end portion of the pressing operating rod 7 engaged with both ends of the opening / closing rotating rod 6 on the side is separated upward, the pressing operating rod 7 is moved laterally outward by the rotating biasing mechanism 8. And the posture is changed from the hanging posture to the inclined posture inclined sideward.

  More specifically, in this embodiment, the pressing biasing force 7 that holds both the pressing operation rods 7 separated from the lower opening / closing rotation rod 6 is held in the tilting posture tilted in a letter C shape. When the rotation urging force of the rotation urging mechanism 8 is set, and the lower end portion of the pressing operation rod 7 comes into contact or collides after the emergency release, the pressing operation rod 7 follows the contact object. Further, it is configured such that the impact force to the contact object is reduced by tilting and rotating outward.

  Specifically, when each of the pressing operation rods 7 is simply in the hanging position after being detached, as described above, the lower second coupler is lowered so as to bounce due to problems such as ship swinging or hydraulic pressure. However, in this embodiment, for example, the bottom end should be biased and held so as to be inclined to the outside by about 20 degrees in order to solve this problem. Even if a collision occurs, it is rotated so as to slide on the surface of the contact object reliably so that the impact can be mitigated.

  Specifically, for example, the upper opening / closing turning rod 6 is inclined when detached, and the pressing operation rod 7 is suspended from both ends thereof. On the side where the angle with the pivot rod 6 is an acute angle, the torsion as the pivot biasing mechanism 8 is provided at the pivotal attachment portion between the base end portion of the pressing manipulation rod 7 and the end portion of the opening / closing pivot rod 6. A spring 8A is provided, and the pressing operation rod 7 is configured to have an inclined posture that is opened outward from the hanging posture after being released by urging the opening of the torsion spring 8A. On the side where the angle with 6 is an obtuse angle, a projecting urging body 8B by an anti-contraction spring is provided as the rotation urging mechanism 8 so as to have an inclined posture opened outward.

  That is, a projecting biasing body 8B is provided between the end of the upper opening / closing pivot rod 6 and the base end of the pressing operating rod 7 so as to project and bias the anti-shrink spring. It is configured to be held in a tilted posture on the outside after being released by urging.

  Note that the present invention is not limited to this embodiment, and the specific configuration of each component can be designed as appropriate.

DESCRIPTION OF SYMBOLS A On-off valve operation mechanism 1 On-off valve 2 1st coupler 3 2nd coupler 4 Detachable connection mechanism 5 Opening / closing rotation part 6 Opening / closing rotation rod 7 Pressing operation rod 8 Turning biasing mechanism 9 Opening / closing drive device

Claims (3)

A first coupler and a second coupler, each provided with an on-off valve for blocking the conveyance and outflow of the carrier, are configured to be detachable via a detachable coupling mechanism so as to be detachable in an emergency manner. An open / close valve operating mechanism for opening and closing each of the open / close valves of the two couplers is provided, and the open / close valve operating mechanism is rotated in a predetermined direction to open the open / close valve and rotate in the opposite direction. in providing the opening and closing rotation unit for closing said on-off valve to the on-off valve of each of said second coupler and the first coupler, respectively opening and closing rotates in the closing rotating unit provided in each of the on-off valve the provided rod, one of the opening and closing drive device for one of opening and closing rotation bar is open for rotation bar provided in the opening and closing rotation of the closing valve is switched rotated in the opening direction and the closing direction provided, Kai switched by the opening and closing drive unit in the opening direction and the closing direction The pressing operating rod provided on both sides of the opening and closing rotation bar of the one, the opening and closing rotation bar having a distal end portion of the pressing operating rod in the opening and closing rotation of the other side of the on-off valve in a another detachably engaged with the opposite sides of the opening and closing rotation bar, pressing the operating rod pieces side by the one opening and closing times Do杆rotates said other opening and closing rotation It is configured so that one side of the bag is pressed and rotated in the same direction, and in the event of an emergency, the on / off valve operating mechanism is activated and the one open / close rotating rod rotates in the valve closing direction. with moving parts is rotated said one of said opening and closing valve is closed, pressing the operating rod of one side of the pressing operating rod provided on both sides of the opening and closing rotation bar of the one is, opening and closing of the one by the rotation of the rotation bar by pressing the one side portion of the other of the opening and closing rotation bar rotates in the closing direction the of the other said opening and closing rotation unit is rotated The closing valve is also closed so that the on-off valves of the first coupler and the second coupler are closed, and the detachable connection mechanism connects the first coupler and the second coupler. In the emergency release device of the cargo handling device configured to release the first coupler and the second coupler, the pressing operation rods provided on both sides of the one opening / closing rotation rod are tilted. When the tip of the pressing operation rod is detached from the other opening / closing rotation rod, the rotation lever is provided so as to be pivotable, and a rotation urging mechanism for urging the pressing operation rod is provided. An emergency detachment device for a cargo handling device, wherein the pressing operating rod is rotated by the rotation urging mechanism to be inclined. The first coupler and the second coupler arranged in the vertical direction are configured to be detachable via the detachable connection mechanism so as to be detachable in an emergency manner, and the first coupler and the second coupler are provided with the first coupler and the second coupler. The opening / closing rotating rods provided so as to protrude from both sides of the opening / closing rotating portion that opens and closes the opening / closing valve are arranged in the vertical direction, and both the opening / closing rotating rods arranged above and below are the same. constitute the opening and closing valve operating mechanism to both the on-off valve to a closed state by rotating in the closing direction both the opening and closing rotation unit is rotated in a direction, the on-off valve actuating mechanism the times that of the pressing operation lever at both ends of the opening and closing rotation bar which is arranged above side tilt rotatably and vertically, tilted rotation urging the pressing operating rod to the side outward provided the dynamic biasing mechanism, the opening and closing rotation rod which is disposed above under an emergency is rotated in the closing direction both The on-off valve by turning the valve closing direction both the serial opening and closing pivotal portion is a closed state, the detachable connecting mechanism and is decoupled has been the first coupler and said second coupler is an emergency withdrawal At this time, when the distal end portion of the pressing operating rod engaged with both ends of the opening / closing rotating rod disposed on the lower side is separated upward, the pressing operating rod is moved by the rotation biasing mechanism. 2. The emergency detachment device for a cargo handling apparatus according to claim 1, wherein the emergency detachment device is configured to turn to the outside and change in posture from the hanging posture to the inclined posture inclined to the outside. The pressing operation lever twin side that is separated from the opening and closing rotation rod of the lower, with rotation of the tilting attitude the rotation urging mechanism to turn biasing force for holding the was tilted V-shape When a force is set and the lower end portion of the pressing operation rod contacts or collides after the emergency detachment, the pressing operation rod further tilts and rotates outward along the contact target, and the contact 3. The emergency detachment device for a cargo handling device according to claim 2, wherein an impact force to the object is reduced.

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