Emergency manual-automatic integrated ship mooring rope quick releasing and unhooking device

Abstract

The invention discloses an emergency manual-automatic integrated ship mooring rope quick releasing and unhooking device which comprises a base, an unhooking mechanism and a driving mechanism. The unhooking mechanism comprises an unhooking base, a hook body and a lever, the hook body and the lever are hinged to the unhooking base, and the bottoms of the hook body and the lever are meshed to form a closed structure to connect the mooring rope. The driving mechanism comprises a manual assembly, a pneumatic assembly and a conversion assembly; the manual assembly comprises a hand wheel, a manual cylinder barrel, a transmission screw and a transmission nut. The pneumatic assembly comprises an air cylinder body, a piston component and an air cylinder rod. The conversion assembly comprises a steel ball frame and a second guide sleeve. According to the unhooking device, remote pneumatic control under the emergency condition and field manual release under the general condition are perfectly combined, the problem that the operation mode of an existing product is single is solved, and the release action of the heavy-load hook body can be rapidly completed through the amplification effect of the lever.

Description

Technical Field

[0001] The present invention belongs to the technical field of special equipment for rapid cable release and mooring of ships, and more specifically, relates to an emergency manual-automatic integrated ship cable rapid release and unhooking device. Background Art

[0002] With the development of shipping and ship technology, there are many types of large-scale dock quick release hooks and emergency release devices in ship mooring systems. Ship release devices have become an indispensable industry component in ship mooring systems. The power components of the release hook are controlled by hydraulic cylinders, manual ropes, or handwheels to release the tensioned cable.

[0003] Unhooking devices generally have two uses. One is to quickly release equipment already in place in an emergency. For example, a ship's emergency life raft is secured by the unhooking device and associated ropes, and emergency quick release is its primary purpose. The other is used for docking and releasing the leading rope during lifting and towing operations at the dock. The unhooking devices corresponding to these two functions have different load capacities and structural forms.

[0004] For the unhooking device that is quickly released in an emergency, if the method of directly operating the main force-bearing rope and the unhooking device is used, that is, the unhooking device and the rope that need to be released are both under stress, and the release mainly focuses on directly releasing the stress. This method is more direct and effective when the unhooking device and the rope are under less stress, but there are the following problems: first, if the stressed unhooking device and the rope are fastened or the lifting equipment is heavy and the stress is huge, the external force required to directly operate and release the rope and the unhooking device will also be correspondingly large; second, directly operating the main force-bearing unhooking device and the rope requires reaching the location where the unhooking device is arranged. In case of bad sea conditions and emergency situations, it is very difficult to operate on site.

[0005] For a quick-release unhooking device in an emergency, if the method of indirectly controlling the main force-bearing rope and unhooking device is used, that is, by operating a control structure with less force to drive the heavy force-bearing unhooking device and rope, this structure acts as a protective device for the main force-bearing unhooking device and rope. Only after its operation will the force on the main rope and unhooking device be released. The problems with this method are: first, it requires the design of an additional protective device for the unhooking device, and the structure of the connection between the unhooking device and the corresponding protective device is relatively complex; second, the reliability of the protective device determines the release effect of the entire unhooking device. If the protective device fails to work, the unhooking device and rope cannot be released to achieve the function of releasing the device.

[0006] In view of the above situation, it is necessary to improve the existing ship quick uncoupling device, absorb the advantages of the above two operating methods, and optimize the layout design and specific structure to make the uncoupling device simple in structure, convenient in operation, reliable and efficient. Under normal circumstances, it can achieve the quick release function through pneumatic drive and can also have manual operation function, meeting the actual use requirements of most ship quick uncoupling devices. Summary of the Invention

[0007] In view of the problems that the unhooking device of the prior art has a complex structure, cannot take into account the manual and automatic functions and cannot meet the function of rapid unhooking and releasing of ships, the present invention provides an emergency manual and automatic integrated ship cable quick release unhooking device, comprising a base, which is an L-shaped structure; a unhooking mechanism fixedly arranged on the side of the base, comprising an unhooking seat, a hook body and a lever, the hook body and the lever are respectively rotatably arranged on the unhooking seat, and the bottoms of the two are engaged with each other to form a closed structure to connect the cable; a driving mechanism fixedly arranged on the top of the base, comprising a manual component, a pneumatic component and a conversion component; wherein the manual component comprises a handwheel, a manual cylinder, a transmission The screw and transmission nut drive the transmission screw to rotate by turning the handwheel, so that the transmission nut threadedly connected to the transmission screw moves linearly along the manual cylinder; the pneumatic assembly includes a cylinder body, a piston component and a cylinder rod, the rear end of the cylinder body is connected to the manual cylinder, and the cylinder rod is driven to move in both directions in the cylinder body by alternately supplying air on both sides of the piston component; the front end of the cylinder rod is hinged to the upper end of the lever; the conversion assembly includes a steel ball rack, the front end of the steel ball rack is connected to the piston component, and the rear end is pushed by the transmission nut, thereby pushing the piston component forward, causing the cylinder rod to move forward, thereby driving the lever to release and unhook.

[0008] Furthermore, the unhooking seat is vertically fixed on the side of the base, and a first pin shaft and a second pin shaft are rotatably provided on the unhooking seat.

[0009] Furthermore, the hook body is fixedly arranged on the second pin shaft and rotates with the second pin shaft as the center of the circle; the lower end of the lever is fixedly connected to the first pin shaft.

[0010] Furthermore, oil cups are respectively provided on the sides of the first pin shaft and the second pin shaft.

[0011] Furthermore, the first guide sleeve is fixed to the rear end flange of the manual cylinder by bolts; the thrust bearing is arranged in the first guide sleeve, the outer ring of which is fixedly connected to the inner wall surface of the first guide sleeve, and the inner ring is sleeved and fixed on the transmission screw; the clamping nut is sleeved on the transmission screw and fixedly connected to the first guide sleeve by an external thread, and its front end abuts against the rear end of the thrust bearing to limit the displacement of the thrust bearing; the rear end of the transmission screw is fixedly connected to the handwheel, and the transmission screw can be driven to rotate forward and reverse by turning the handwheel; the transmission nut is threadedly connected to the transmission screw, and is located in the polygonal cylinder body of the manual cylinder, and its outer side is adapted to the polygonal cylinder body of the manual cylinder, thereby limiting the radial rotation of the transmission nut, so that it can be linearly displaced along the cylinder body of the manual cylinder under the rotation operation of the transmission screw.

[0012] Furthermore, the conversion assembly includes: a steel ball rack, a second guide sleeve, a seal and a steel ball; wherein, the front end of the steel ball rack is located in the cylinder body, and the rear end is located in the manual cylinder barrel, and a cylindrical cavity is opened at its rear end and a connecting groove is opened at the front end; the cylindrical cavity coincides with the central axis of the transmission screw, and its inner diameter is larger than the outer diameter of the transmission screw to avoid interference with the transmission screw when the steel ball rack is displaced; a steel ball is circumferentially provided on the wall of the connecting groove, which is clamped on the piston component; the second guide sleeve is mounted on the steel ball rack to limit and guide the steel ball rack so that the steel ball rack is displaced axially, and its front end is arranged in the rear end flange of the cylinder body, and the rear end contacts the front end flange of the manual cylinder barrel to keep it fixed, and a seal is circumferentially provided on it to seal the rear end of the cylinder body to ensure the airtightness of the cylinder body.

[0013] Furthermore, the piston component includes a piston, a buffer butterfly spring, a sealing ring, an anti-fouling ring, and a locking nut; the piston is a T-shaped sleeve, which is sleeved on the cylinder rod, and its outer diameter is adapted to the inner diameter of the cylinder body; the buffer butterfly spring is sleeved on the cylinder rod, and its rear end is in conflict with the front end of the piston, and the front end is in conflict with the annular baffle fixed on the cylinder rod; the sealing ring and the anti-fouling ring are respectively circumferentially sleeved on the outer periphery of the piston, wherein the sealing ring seals the gas of the cylinder body, and the anti-fouling ring removes wear debris from the inner wall of the cylinder body; the locking nut is sleeved and fixed on the rear end of the cylinder rod, and its front end is in conflict with the rear end of the piston.

[0014] Furthermore, a buffer buckle component is provided on the piston component for connecting to the steel ball rack and buffering it. The buffer buckle component includes a flat collar, a bevel collar, a conversion spring and a compression plate.

[0015] Furthermore, the pressure plate is sleeved on the cylinder rod and fixedly connected to the rear end of the piston; the bevel ring is sleeved on the locking nut, and its two ends respectively contact the locking nut and the pressure plate to keep it fixed, and a clamping groove is provided on the top, and the bottom of the steel ball is clamped in the clamping groove; the plane ring is a cylindrical sleeve, the rear end of which is sleeved on the front end of the steel ball rack, and the front end is sleeved on the piston; the conversion spring is sleeved on the piston, and its two ends respectively contact the plane ring and the front end of the piston.

[0016] In general, the above technical solutions conceived by the present invention can achieve the following beneficial effects compared with the prior art:

[0017] 1. The ship quick unhooking device of the present invention, through a manual and pneumatic integrated design, perfectly combines remote pneumatic control in emergency situations with on-site manual release under normal circumstances, avoiding the problem of the relatively single operation mode of existing products.

[0018] 2. The ship quick unhooking device of the present invention has a special design of a bidirectional pneumatic cylinder and the characteristic of rapid movement of the cylinder piston, so that the unhooking device has a faster release speed and higher release efficiency.

[0019] 3. The ship quick unhooking device of the present invention has a heavy-duty design of the unhooking component and clever use of levers, allowing the heavy-duty cable to be directly controlled with less operating force. This eliminates the complex mechanisms and components used in existing products to address this problem, reduces product feasibility, and extends product service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of an emergency manual-automatic ship cable quick release and unhooking device according to an embodiment of the present invention;

[0021] Figure 2 A top view of the decoupling mechanism according to an embodiment of the present invention;

[0022] Figure 3 It is a front view of the decoupling mechanism in an embodiment of the present invention;

[0023] Figure 4 Schematic diagram of the structure of the driving mechanism in an embodiment of the present invention;

[0024] Figure 5 This is a schematic structural diagram of a dynamic component in an embodiment of the present invention;

[0025] Figure 6 This is a schematic structural diagram of a pneumatic assembly in an embodiment of the present invention;

[0026] Figure 7 A schematic diagram of the structure of a conversion component in an embodiment of the present invention;

[0027] Figure 8 Schematic diagram of the structure of the cylinder piston component in an embodiment of the present invention;

[0028] Figure 9 Schematic diagram of the structure of the buffer buckle component in an embodiment of the present invention.

[0029] In all the drawings, the same reference numerals represent the same technical features, specifically:

[0030] 1- base;

[0031] 2- Unhooking mechanism, including: 21- Unhooking seat, 22- Hook body, 23- Lever, 24- First pin, 25- Second pin, 26- Oil cup;

[0032] 3- driving mechanism, including: 31- manual assembly, 311- hand wheel, 312- manual cylinder, 313- pressing nut, 314- first guide sleeve, 315- transmission screw, 316- transmission nut, 317- thrust bearing, 32- pneumatic assembly, 321- cylinder body, 322- piston component, 3221- piston, 3222- buffer butterfly spring, 3223- sealing ring, 3224- anti-fouling ring, 3 225-locking nut, 323-cylinder rod, 324-cylinder end cover, 325-buffer snap-on component, 3251-flat collar, 3252-bevel collar, 3253-conversion spring, 3254-pressure plate, 3255-fastening screw, 326-mounting plate, 33-conversion assembly, 331-steel ball rack, 332-second guide sleeve, 333-seal, 334-steel ball, 34-fastening assembly;

[0033] 4-tie rod,

[0034] 5-Pin rod. DETAILED DESCRIPTION

[0035] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only intended to illustrate the present invention and are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

[0036] like Figure 1-9As shown, the present invention provides an emergency manual-automatic integrated ship cable quick release unhooking device, comprising a base 1, an unhooking mechanism 2 and a driving mechanism 3. The base 1 is fixedly arranged at a designated position on the ship deck and is an L-shaped structure. The unhooking mechanism 2 comprises an unhooking seat 21, a hook body 22 and a lever 23, wherein the unhooking seat 21 is fixedly arranged on the side of the base 1, and the hook body 22 and the lever 23 are respectively rotatably arranged on the unhooking seat 21, and the bottoms of the two are engaged with each other to form a closed structure to connect the cable. The driving mechanism 3 comprises a manual component 31, a pneumatic component 32 and a conversion component 33; the manual component 31 comprises a handwheel 311, a manual cylinder 312, a transmission screw 315 and a transmission nut 316. By rotating the handwheel 311, the transmission screw 315 is driven to rotate, so that the transmission nut 316 threadedly connected to the transmission screw 315 is linearly displaced along the manual cylinder 312. The pneumatic assembly 32 includes a cylinder body 321, a piston component 322, and a cylinder rod 323. The rear end of the cylinder body 321 is connected to the manual cylinder barrel. By alternately supplying air from both sides of the piston component 322, the cylinder rod 323 is driven to move bidirectionally within the cylinder body 321. The front end of the cylinder rod 323 is hinged to the upper end of the lever 23. The conversion assembly 33 includes a steel ball rack 331 and a second guide sleeve 332 mounted on the steel ball rack 331. The second guide sleeve 332 seals the rear end of the cylinder body 321. The front end of the steel ball rack 331 is connected to the piston component 322. The rear end is pushed by the transmission nut 316, thereby pushing the piston component 322 forward, causing the cylinder rod 323 to move forward, thereby driving the lever 23 to release and unhook. The unhooking device of the present invention perfectly combines remote pneumatic control in emergency situations with manual release on site under normal circumstances, avoiding the problem of the relatively simple operation mode of existing products, and can quickly complete the release action of the heavy-load hook body 22 through the amplification effect of the lever 23.

[0037] like Figure 1-3 As shown, in the embodiment of the present invention, the unhooking mechanism 2 includes an unhooking seat 21 , a hook body 22 , a lever 23 , a first pin 24 , a second pin 25 and an oil cup 26 .

[0038] The decoupling seat 21 is vertically fixed on the side of the base 1, and a first pin shaft 24 and a second pin shaft 25 are rotatably mounted thereon.

[0039] The hook body 22 is fixed on the second pin shaft 25 and rotates around the second pin shaft 25 as a circle center.

[0040] The lever 23 is fixed to a first pin 24 and rotates about the first pin 24. Furthermore, the lever 23 is L-shaped, with its bottom engaging the hook 22. This allows for a more secure connection between the bottom of the lever 23 and the hook head of the hook 22 when the hook 22 is subjected to significant force. Furthermore, the lower end of the lever 23 is fixedly connected to the first pin 24. Applying a small thrust to the upper end of the lever 23, through the lever's amplifying effect, allows for rapid separation of the heavy-loaded hook 22 from the lever 23, thereby quickly releasing the cable.

[0041] In order to prevent the first pin shaft 24 and the second pin shaft 25 from being corroded and damaged in the harsh marine environment, oil cups 26 are respectively provided on the sides of the first pin shaft 24 and the second pin shaft 25, which can allow lubricating oil to flow into the parts that need lubrication, reduce friction, isolate the first pin shaft 24 and the second pin shaft 25 from contact with the outside, protect the rotating parts from wear, and thus extend the service life of the uncoupling device.

[0042] like Figure 4 As shown, in the embodiment of the present invention, the driving mechanism 3 is fixed on the top of the base 1, and includes a manual component 31, a pneumatic component 32, a conversion component 33 and a fastening component 34; wherein the manual component 31 and the pneumatic component 32 are connected as a whole through the fastening component 34, and the conversion component 33 transmits the power output by the manual component 31 to the pneumatic component 32, so that the pneumatic component 32 pushes the lever 23 to rotate forward to release the unhooking.

[0043] like Figure 5 As shown, in the embodiment of the present invention, the manual assembly 31 includes a handwheel 311 , a manual cylinder 312 , a compression nut 313 , a first guide sleeve 314 , a transmission screw 315 , a transmission nut 316 and a thrust bearing 317 .

[0044] The first guide sleeve 314 is bolted to the rear flange of the manual cylinder 312. The thrust bearing 317 is located within the first guide sleeve 314, with its outer ring fixedly connected to the inner wall of the first guide sleeve 314 and its inner ring fixedly sleeved on the drive screw 315. The compression nut 313 is sleeved on the drive screw 315 and fixedly connected to the first guide sleeve 314 via an external thread. Its front end contacts the rear end of the thrust bearing 317, limiting the displacement of the thrust bearing 317. The rear end of the drive screw 315 is fixedly connected to the handwheel 311, and rotating the handwheel 311 can drive the drive screw 315 to rotate forward and reverse. The drive nut 316 is threadedly connected to the drive screw 315 and is located within the polygonal cylinder of the manual cylinder 312. Its outer side is adapted to the polygonal cylinder of the manual cylinder 312, thereby limiting the radial rotation of the drive nut 316 and allowing it to move linearly along the cylinder of the manual cylinder 312 under the rotation of the drive screw 315.

[0045] In the embodiment of the present invention, when the manual component 31 is operating, the operator rotates the handwheel 311 to rotate the transmission screw 315. Under the restriction of the polygonal cylinder body of the manual cylinder 312, the movable nut 316 threadedly connected to the transmission screw 315 performs a linear displacement, pushing the conversion component 33 to transmit the power output to the cylinder rod 323, thereby releasing and unhooking the uncoupling mechanism 2.

[0046] like Figure 6 As shown, in the embodiment of the present invention, the pneumatic assembly 32 includes a cylinder body 321 , a piston component 322 , a cylinder rod 323 and a cylinder end cover 324 .

[0047] The rear end flange of the cylinder body 321 is docked with the flange of the manual cylinder barrel 312 and is connected as a whole through a fastening assembly 34. The front end is sealed by fixing a cylinder end cover 324 thereon. Furthermore, a conversion assembly 33 is provided at the connection between the rear end of the cylinder body 321 and the manual cylinder barrel 312, thereby sealing the rear end of the cylinder body 321 to prevent air leakage at both ends of the manual cylinder barrel 312.

[0048] The piston component 322 is slidably arranged in the cylinder body 321, which divides the cylinder body 321 into a release chamber and a locking chamber. The release chamber and the locking chamber are respectively connected to the air source port, and by injecting the air source and releasing the air pressure respectively, the piston component 322 is pushed to drive the cylinder rod 323 to move forward and backward: when the air source is injected into the release chamber and the locking chamber is simultaneously deflated, the air pressure at the rear end of the piston component 322 is higher than that at the front end, which pushes the piston component 322 to drive the cylinder rod 323 to move forward, so that the cylinder rod 32 drives the lever 323 to release and unhook; when the air source is injected into the locking chamber and the release chamber is simultaneously deflated, the air pressure at the front end of the piston component 322 is higher than that at the rear end, which pushes the piston component 322 to drive the cylinder rod 323 to move forward, so that the cylinder rod 323 drives the lever 23 to approach the hook body 22, and lifts the bottom of the hook body 22 to lock it.

[0049] The front end of the cylinder rod 323 is hinged to the pull rod 4 , and the front end of the pull rod 4 is hinged to the upper end of the lever 23 .

[0050] like Figure 7 As shown, in the embodiment of the present invention, the conversion component 33 transmits the power transmitted by the manual component 31 to the piston component 322, pushing the piston component 322 to drive the cylinder rod 323 to release the hook body 22, which includes a steel ball rack 331, a second guide sleeve 332, a seal 333 and a steel ball 334.

[0051] Among them, the front end of the steel ball rack 331 is located in the cylinder body 321, and the rear end is located in the manual cylinder 312. A cylindrical cavity is opened at the rear end and a connecting groove is opened at the front end; the cylindrical cavity coincides with the central axis of the transmission screw 315, and its inner diameter is larger than the outer diameter of the transmission screw 315 to avoid interference with the transmission screw 315 when the steel ball rack 331 is displaced; a steel ball 334 is circumferentially provided on the wall of the connecting groove, which is clamped on the piston component 322, thereby realizing the connection between the steel ball rack 331 and the piston component 322, and transmitting the output power of the manual component 31 to the piston component 332.

[0052] The second guide sleeve 332 is sleeved on the steel ball rack 331 to limit and guide the steel ball rack 331 so that the steel ball rack 331 can be displaced axially. The front end of the second guide sleeve 332 is arranged in the rear end flange of the cylinder body 321, and the rear end contacts the front end flange of the manual cylinder barrel 312 to keep it fixed. A sealing member 333 is provided in an annular direction on the upper side to seal the rear end of the cylinder body 321 to ensure the air tightness of the cylinder body 321.

[0053] like Figure 8 As shown, in this embodiment of the present invention, the piston component 322 includes a piston 3221, a buffer butterfly spring 3222, a sealing ring 3223, an anti-fouling ring 3224, and a locking nut 325. The piston 3221 is a T-shaped shaft sleeve, which is mounted on the cylinder rod 323 and has an outer diameter that matches the inner diameter of the cylinder body 321. The buffer butterfly spring 3222 is mounted on the cylinder rod 323, with its rear end abutting against the front end of the piston 3221 and its front end abutting against the annular baffle fixed to the cylinder rod 323. The buffer butterfly spring 3222 can buffer the rigid collision between the piston 3221 and the cylinder rod 323, and at the same time, achieves the fixation and locking of the mechanical components through its elastic deformation, preventing them from moving or loosening when subjected to external forces. The sealing ring 3223 and the anti-fouling ring 3224 are respectively circumferentially mounted on the outer circumference of the piston 3221. The sealing ring 3223 seals the gas in the cylinder body 321, and the anti-fouling ring 3224 removes wear debris from the inner wall of the cylinder body 321. The locking nut 325 is fixedly mounted on the rear end of the cylinder rod 323, with its front end contacting the rear end of the piston 3221.

[0054] In order to prevent the conversion assembly 33 from rigidly colliding with the piston component 322 and to enable the conversion assembly 33 to be quickly separated from the manual component 3 in an emergency situation where the cylinder is quickly released, a buffer buckle component 325 is further provided on the piston component 322 to connect with the steel ball rack 331 and provide a buffer. Figure 9 As shown, the buffer buckle component 325 includes a flat collar 3251 , a sloped collar 3252 , a conversion spring 3253 and a pressing plate 3254 .

[0055] The pressure plate 3254 is mounted on the cylinder rod 323 and fixedly connected to the rear end of the piston 3221. The beveled collar 3252 is mounted on the lock nut 3225, with its ends respectively contacting the lock nut 3225 and the pressure plate 3254 to maintain the position. Its top is provided with a snap-in groove, into which the bottom of the steel ball 331 snaps. The flat collar 3251 is a cylindrical sleeve, with its rear end mounted on the front end of the steel ball holder 331 and its front end mounted on the piston 3221. The conversion spring 3253 is mounted on the piston 3221, with its ends respectively contacting the flat collar 3251 and the front end of the piston 3221.

[0056] By providing a buffer snap-fit ​​component 325, the steel ball rack 331 is snapped into engagement with the inclined surface collar 3252. The steel ball 34 provided at the front end of the steel ball rack 331 can slide a short distance along the snap-fit ​​groove, pushing the flat collar 351 forward to compress the conversion spring 3253 for buffering, thereby avoiding a rigid collision between the manual component 31 and the piston component 322 when the manual component 31 transmits power. In an emergency, when the pneumatic component 32 intervenes, the piston 3221 can quickly drive the steel ball rack 331 to disengage from the transmission nut 316 for rapid release, thereby achieving the function of manual and pneumatic single operations without interfering with each other.

[0057] The quick-release unhooking device of the present invention can be used for related operations, such as when hoisting and fixing equipment such as a life raft on a ship. The device can be installed on the deck, and manual or pneumatic input is transmitted to the lever 23 through the pull rod 4 to disengage the lever 23 from the hook body 22, so that the rope can be manually buckled, and then the rope head is manually or pneumatically locked to complete the mooring work of the equipment; the unhooking device starts to work as the rope is tensioned. Due to the special structural shape of the hook body 22 and the lever 23, the lever 23 provides a smaller force, and the hook body 22 can withstand a larger load.

[0058] When encountering an emergency and needing to release equipment such as a ship's life raft, only the rope head part needs to be released. The operation can be done through remote pneumatic operation or on-site manual operation. After the manual-automatic double-acting cylinder is actuated, the cylinder rod 323 pushes the pull rod 4, pushing the lever 4 to rotate forward, thereby realizing the separation of the hook body 22 and the lever 23. The rope slides down along the hook body 22 and pushes the hook body 22 to rotate around the first pin shaft 24. Due to the special design of the structural shape, the rope will be completely released, thereby achieving the function of releasing and unhooking the equipment.

[0059] When the hand wheel 311 is manually turned on site, the transmission nut 316 in the manual assembly 31 moves, thereby driving the steel ball rack 331 in the conversion assembly 33 to move horizontally, and finally pushing the cylinder rod 323 to extend and release the hook; the hand wheel 311 is rotated in the opposite direction to reset the transmission nut 316, release the pressure exerted on the piston 3221 by the steel ball rack 331, and the compressed gas in the cylinder body 321 pushes the piston 3221 to reset, thereby pulling the cylinder rod 323 back to the inside of the cylinder body 321, thereby locking the cable; during the above manual operation process, once the remote pneumatic control is started, the piston 3221 in the cylinder body 321 will be subjected to force, causing the cylinder rod 323 to extend and release, and no longer be affected by manual operation.

[0060] The ship quick unhooking device of the present invention, through a manual and pneumatic integrated design, perfectly combines remote pneumatic control in emergency situations with on-site manual release under normal circumstances, avoiding the problem of the relatively single operation mode of existing products.

[0061] The ship quick unhooking device of the present invention has a special design of a bidirectional pneumatic cylinder and takes advantage of the rapid movement of the cylinder piston to achieve a faster release speed and higher release efficiency.

[0062] The ship quick unhooking device of the present invention has a heavy-duty design of the unhooking component and clever use of levers, so that the heavy-duty rope can be directly controlled with a small operating force, thereby getting rid of the complex mechanisms and components used in existing products to deal with this problem, reducing product feasibility and extending product service life.

[0063] It will be easily understood by those skilled in the art that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An emergency manual-automatic ship cable quick release unhooking device, It is characterized in that include: A base (1) having an L-shaped structure; A dehooking mechanism (2) fixedly arranged on the side of the base (1) comprises a dehooking seat (21), a hook body (22) and a lever (23); the hook body (22) and the lever (23) are rotatably arranged on the dehooking seat (21), and the bottoms of the two are engaged with each other to form a closed structure to connect the cable; A driving mechanism (3) fixedly arranged on the top of the base (1), comprising a manual component (31), a pneumatic component (32) and a conversion component (33); The manual assembly (31) comprises a hand wheel (311), a manual cylinder (312), a transmission screw (315) and a transmission nut (316). The transmission screw (315) is driven to rotate by turning the hand wheel (311), so that the transmission nut (316) threadedly connected to the transmission screw (315) is linearly displaced along the manual cylinder (312). The pneumatic assembly (32) comprises a cylinder body (321), a piston component (322) and a cylinder rod (323). The rear end of the cylinder body (321) is connected to the manual cylinder. By alternately supplying air on both sides of the piston component (322), the cylinder rod (323) is driven to move bidirectionally in the cylinder body (321); the front end of the cylinder rod (323) is hinged to the upper end of the lever (23); the conversion assembly (33) includes a steel ball rack (331), the front end of which is connected to the piston component (322), and the rear end is pushed by the transmission nut (316), thereby moving the piston component (322) forward, causing the cylinder rod (323) to move forward, thereby driving the lever (23) to release and unhook.

2. An emergency manual-automatic ship cable quick release unhooking device according to claim 1, It is characterized in that The decoupling seat (21) is vertically fixed on the side of the base (1), and a first pin shaft (24) and a second pin shaft (25) are rotatably arranged on the decoupling seat (21).

3. The emergency manual-automatic ship cable quick release unhooking device according to claim 2, It is characterized in that The hook body (22) is fixedly arranged on the second pin shaft (25) and rotates with the second pin shaft (25) as the center of the circle; the lower end of the lever (23) is fixedly connected to the first pin shaft (24).

4. The emergency manual-automatic ship cable quick release unhooking device according to claim 2, It is characterized in that Oil cups (26) are also provided on the sides of the first pin shaft (24) and the second pin shaft (25), respectively.

5. An emergency manual-automatic ship cable quick release unhooking device according to any one of claims 1 to 4, It is characterized in that The manual assembly (31) comprises a hand wheel (311), a manual cylinder (312), a clamping nut (313), a first guide sleeve (314), a transmission screw (315), a transmission nut (316) and a thrust bearing (317).

6. An emergency manual-automatic ship cable quick release unhooking device according to claim 5, It is characterized in that The first guide sleeve (314) is fixedly mounted on the rear end flange of the manual cylinder (312) by bolts; the thrust bearing (317) is arranged in the first guide sleeve (314), the outer ring of which is fixedly connected to the inner wall surface of the first guide sleeve (314), and the inner ring is sleeved and fixed on the transmission screw (315); the clamping nut (313) is sleeved on the transmission screw (315), and is fixedly connected to the first guide sleeve (314) by external threads, and the front end of the clamping nut is in contact with the rear end of the thrust bearing (317), thereby limiting the displacement of the thrust bearing (317); The rear end of the transmission screw (315) is fixedly connected to the hand wheel (311), and the transmission screw (315) can be driven to rotate forward and reverse by turning the hand wheel (311); the transmission nut (316) is threadedly connected to the transmission screw (315), and is located in the polygonal cylinder body of the manual cylinder (312), and its outer side is adapted to the polygonal cylinder body of the manual cylinder (312), thereby limiting the radial rotation of the transmission nut (316), so that the transmission nut (316) can be linearly displaced along the cylinder body of the manual cylinder (312) under the rotation operation of the transmission screw (315).

7. An emergency manual-automatic ship cable quick release unhooking device according to any one of claims 1 to 4, It is characterized in that The conversion assembly (33) comprises: a steel ball rack (331), a second guide sleeve (332), a sealing member (333) and a steel ball (334); The front end of the steel ball rack (331) is located in the cylinder body (321), and the rear end is located in the manual cylinder barrel (312). The rear end is provided with a cylindrical cavity, and the front end is provided with a connecting groove. The cylindrical cavity coincides with the central axis of the transmission screw (315), and the inner diameter of the cylindrical cavity is larger than the outer diameter of the transmission screw (315), so as to avoid interference between the steel ball rack (331) and the transmission screw (315) when the steel ball rack (331) is displaced. A steel ball (334) is circumferentially arranged on the wall of the connecting groove, and is clamped on the piston component (322). The second guide sleeve (332) is sleeved on the steel ball rack (331) to limit and guide the steel ball rack (331) so that the steel ball rack (331) can be displaced in the axial direction. The front end of the second guide sleeve (332) is arranged in the rear end flange of the cylinder body (321), and the rear end contacts the front end flange of the manual cylinder barrel (312) so as to be fixed. A sealing member (333) is annularly arranged on the second guide sleeve to seal the rear end of the cylinder body (321) so as to ensure the air tightness of the cylinder body (321).

8. An emergency manual-automatic ship cable quick release unhooking device according to claim 7, It is characterized in that The piston component (322) comprises a piston (3221), a buffer butterfly spring (3222), a sealing ring (3223), an anti-fouling ring (3224), and a locking nut (325); the piston (3221) is a T-shaped shaft sleeve, which is sleeved on the cylinder rod (323), and its outer diameter is matched with the inner diameter of the cylinder body (321); the buffer butterfly spring (3222) is sleeved on the cylinder rod (323), and its rear end is in conflict with the front end of the piston (3221), and its front end is in contact with the cylinder rod (32 3) is in conflict with an annular baffle fixedly provided on the piston (3221); the sealing ring (3223) and the anti-fouling ring (3224) are respectively circumferentially sleeved on the outer periphery of the piston (3221), wherein the sealing ring (3223) seals the gas in the cylinder body (321), and the anti-fouling ring (3224) removes wear debris from the inner wall of the cylinder body (321); the locking nut (325) is sleeved and fixedly provided on the rear end of the cylinder rod (323), and its front end is in conflict with the rear end of the piston (3221).

9. The emergency manual-automatic ship cable quick release unhooking device according to claim 8, It is characterized in that The piston component (322) is also provided with a buffer buckle component (325) for connecting to the steel ball rack (331) and buffering it. The buffer buckle component (325) comprises a plane collar (3251), a bevel collar (3252), a conversion spring (3253) and a clamping plate (3254).

10. An emergency manual-automatic ship cable quick release unhooking device according to claim 9, It is characterized in that The clamping plate (3254) is sleeved on the cylinder rod (323) and is fixedly connected to the rear end of the piston (3221); the inclined ring (3252) is sleeved on the locking nut (3225), and its two ends respectively contact the locking nut (3225) and the clamping plate (3254) to keep it fixed, and a clamping groove is provided on the top, and the bottom of the steel ball (331) is clamped in the clamping groove; the plane ring (3251) is a cylindrical shaft sleeve, and its rear end is sleeved on the front end of the steel ball rack (331), and the front end is sleeved on the piston (3221); the conversion spring (3253) is sleeved on the piston (3221), and its two ends respectively contact the plane ring (3251) and the front end of the piston (3221).

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