CN116516900A - Quick detachment hook device and method of use adapted to fully submerged environment - Google Patents

Abstract

The invention relates to a quick release hook device suitable for a total submerged environment and a use method thereof, wherein the quick release hook device comprises a base and a combined hook frame, and the combined hook frame comprises two combined hook frames and is detachably arranged on the side surface of the base; the hook frame assembly comprises two left and right symmetrically arranged hook frame assemblies, the left and right hook frame assemblies are connected through a latch hook shaft, an anchor hook, a connecting hook bolt, a latch hook rod and a unhooking rod are arranged between the two hook frame assemblies, the head part of the hook frame assembly is hinged with the anchor hook through the anchor hook shaft, the tail part of the hook frame assembly is hinged with a coupler bolt through a coupler bolt shaft, the latch hook rod and the unhooking rod are arranged between the anchor hook and the connecting hook bolt, and the coupler bolt is hinged with a base through a vertical connecting shaft; the connecting hook bolt, the hook bolt shaft and the vertical connecting shaft are all provided with shaft sleeves. The invention can solve the problem of application of the rapid dock release hook under a large water head and total submerged environment, and has important significance for accelerating LNG ships to enter the Yangtze river.

Description

Quick detachment hook device and method of use adapted to fully submerged environment

technical field

The invention relates to the technical field of wharf ancillary facilities, and more specifically, relates to a quick release hook device and a usage method adapted to a fully submerged environment.

Background technique

The quick release hook is a device used by the wharf for fast mooring and detachment of ships, and it also greatly reduces the workload of the dock lead cable, mooring and detachment. LNG terminals, loading and unloading Class A and B oil and gas chemical products have fire protection ratings of special grade terminals and large bulk cargo terminals require quick release hooks as mooring facilities. The existing quick release hooks have manual and electric release functions and are usually installed at the docks. noodle.

Most of the current quick release hook products are automated and intelligent systems and uncables to achieve cost reduction, efficiency improvement, remote operation, safety and reliability.

The structure type of the Yangtze River Wharf usually adopts multi-layer mooring cables to adapt to the mooring operations under different water levels with large water level differences. Because the mooring platforms on the second floor and below are submerged for a long time, the river water has a large sediment content and is easy to get entangled and float The motor of the common detachment hook cannot be driven, and the connecting shaft of the hook body cannot be moved due to the influence of sand, floating mud and floating sundries, so ordinary bollards are usually used. Existing quick release hook products are equipped with a large amount of electrical and communication equipment, which are usually non-detachable and cannot be adapted to a fully submerged environment.

Contents of the invention

The technical problem to be solved by the present invention is to provide a quick detachment hook device and its use method adapted to the fully submerged environment, the quick detachment hook device can solve the application of the fast detachment hook at the wharf under a large water level difference and a fully submerged environment , which is of great significance to speed up the entry of LNG ships into the Yangtze River.

The technical solution adopted by the present invention to solve the technical problem is: to construct a quick release hook device adapted to the fully submerged environment, including a base and a combined hook frame, and the combined hook frame includes two detachable hooks arranged on the side of the base;

The combined hook frame includes an anchor hook, a hook frame component, a connecting hook bolt, a locking hook rod, a decoupling rod, a hook bolt shaft, an anchor hook shaft, a locking hook shaft, a shaft sleeve and a vertical connecting shaft; the hook frame component includes The two left and right symmetrical arrangements, the two left and right hook frame components are connected by the lock hook shaft, the anchor hook, the connecting hook bolt, the lock hook rod and the decoupling rod are all arranged between the two hook frame components, and the hook The head of the rack assembly is hinged through the anchor hook shaft and the anchor hook, the tail of the hook rack assembly is hinged with the connecting hook bolt through the connecting hook bolt shaft, and the locking hook rod and the decoupling rod are arranged between the anchor hook and the connecting hook bolt , the connecting hook and the base are hinged through a vertical connecting shaft;

The connecting hook bolt, the hook bolt shaft and the vertical connecting shaft are all provided with shaft sleeves.

According to the above scheme, the surface of the base, the hook frame assembly, the anchor hook and the connecting hook bolt is provided with an anti-corrosion coating.

According to the above scheme, the surface of the connecting hook bolt, the hook bolt shaft, the lock hook shaft and the vertical connecting shaft is provided with a lubricating groove and an oil filling cup is arranged inside.

The present invention also provides a method for using a quick release hook device adapted to a fully submerged environment, comprising the following steps:

S1. Separation: When the water level is high, the ship is moored to the upper platform of the base, and the vertical connection shaft of the quick release hook of the lower platform of the base is removed to separate the hook frame assembly from the base;

S2. Transportation: transport the anchor hook and hook frame assembly to the storage location;

S3. Installation: When the water level is low, transport the anchor hook and the hook frame assembly to the lower mooring platform of the base, wash the surface of the base and the sediment in the hole with a high-pressure water gun, and install a vertical connecting shaft to make the hook frame assembly and the base seat connection;

S4. Maintenance: add lubricating grease every 10 weeks to the refueling cup connecting the hook bolt, hook bolt shaft and vertical connection shaft;

S5. Mooring cable: When the ship is docked at the dock, the ship's cable is sent to the mooring platform through the lead cable, and the lock hook lever is pulled to lock the anchor hook to realize fast mooring;

S6. Unmooring: When the ship leaves the dock, pull the uncoupling lever, loosen the anchor hook, untie the cable, and realize rapid unmooring.

Implementation of the quick release hook device and method of use adapted to the fully submerged environment of the present invention has the following

Beneficial effect:

1. The present invention solves the problem that there are no mooring facilities available to meet the requirements when the low-level platform of the LNG wharf with a high water level difference in the Yangtze River is fully submerged;

2. The quick release hook device involved in the present invention can be disassembled and reused, saving a lot of investment;

3. Compared with ordinary bollards, the quick release hook product of the present invention can realize fast fastening and untwisting, reduce labor costs, improve efficiency, and is safe and reliable.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and embodiment, in the accompanying drawing:

Fig. 1 is a schematic diagram of the three-dimensional structure of the quick release hook device adapted to the fully submerged environment of the present invention;

Fig. 2 is the structural representation of combined hook frame of the present invention;

Fig. 3 is a schematic diagram of the side view structure of the quick release hook device adapted to the fully submerged environment of the present invention;

Fig. 4 is a top view of the quick release hook device adapted to the fully submerged environment of the present invention;

Fig. 5 is a schematic structural view of the quick release hook device in the separation step in the method for using the quick release hook device of the present invention;

Fig. 6 is a structural schematic diagram of the quick release hook device in the transportation step in the method for using the quick release hook device of the present invention;

Fig. 7 is a schematic structural view of the quick release hook device in the installation step in the method for using the quick release hook device of the present invention;

Fig. 8 is a structural schematic diagram of the quick release hook device in the maintenance step in the method for using the quick release hook device of the present invention;

9 is a schematic structural view of the quick release hook device in the mooring step in the method for using the quick release hook device of the present invention;

Fig. 10 is a schematic structural view of the quick release hook device in the uncable step in the method for using the quick release hook device of the present invention;

In the figure: 1. Base, 2. Anchor hook, 3. Combined hook frame, 4. Hook frame assembly, 5. Connecting hook bolt, 6. Locking hook rod, 7. Decoupling rod, 8. Hook bolt shaft, 9, Anchor hook shaft, 10, locking hook shaft, 11, axle sleeve, 12, vertical connecting shaft.

Detailed ways

In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.

As shown in Figures 1-10, the quick release hook device adapted to the fully submerged environment of the present invention includes a base 1 and a combined hook frame 3, and the combined hook frame 3 includes two detachable hooks arranged on the side of the base 1 .

The combined hook frame 3 includes an anchor hook 2, a hook frame assembly 4, a connecting hook bolt 5, a locking hook lever 6, a decoupling lever 7, a hook bolt shaft 8, an anchor hook shaft 9, a locking hook shaft 10, a shaft sleeve 11 and a vertical connection The shaft 12 ; the hook frame assembly 4 includes two left and right symmetrical arrangements, and the left and right hook frame assemblies 4 are connected by the locking hook shaft 10 . Anchor hook 2, connecting hook bolt 5, locking hook bar 6 and unhooking bar 7 are all arranged between two hook frame assemblies 4, and the head of hook frame assembly 4 is hinged by anchor hook shaft 9 and anchor hook 2, and hook frame assembly The tail of 4 is hinged with the connecting hook bolt 5 through the connecting hook bolt shaft 8, the locking hook lever 6 and the decoupling lever 7 are arranged between the anchor hook 2 and the connecting hook bolt 5, and the connecting hook bolt 5 and the base 1 are connected through the vertical connecting shaft 12 hinged; connecting hook bolt 5, hook bolt shaft 8, and vertical connecting shaft 12 are all provided with axle sleeves 11.

Base 1, hook frame assembly 4, anchor hook 2 and connecting hook bolt 5 are provided with anti-corrosion coating on the surface, and each connecting pin shaft adopts lubricating bushing 11, and a refueling cup is added to ensure flexible rotation and no rust or stagnation. The connecting hook bolt 5, the hook bolt shaft 8, and the vertical connecting shaft 12 are provided with a lubricating groove on the surface and a refueling cup inside. The anchor hook model is F-n, F is the single hook pull force, n is the number of hooks, the single hook test pull force is 1.25 times the rated pull force, and the hook body can rotate horizontally and vertically. The base 1, the hook frame assembly 4, the anchor hook 2 and the connecting hook bolt 5 are welded together, and the thickness of the anti-corrosion coating meets the requirements of the design protection period of 20 years. Each connecting shaft is provided with a shaft sleeve 11, and the quick release hook system drives the lock hook shaft 10 through the lock hook rod 6 to realize mooring, and realizes quick uncable through the release hook rod 7.

The present invention also provides a method for using a quick release hook device adapted to a fully submerged environment, comprising the following steps:

S1. Separation: When the water level is high, the ship is moored to the upper platform of the base 1, and the vertical connection shaft 12 of the quick release hook of the platform where the base 1 is located is removed, so that the hook frame combination 3 is separated from the base 1;

S2. Transportation: transport the anchor hook 2 and the hook frame assembly 4 to the storage location, which can be transported by manpower, and hoisting holes can be set on the wharf surface according to the actual situation, and transported by equipment;

S3. Installation: When the water level is low, transport the anchor hook 2 and the hook frame assembly 4 to the mooring platform where the base 1 is located. It can be transported by manpower, and a hoisting hole can be set on the dock surface according to the actual situation, and transported by equipment. Before installation Use a high-pressure water gun to wash the surface of the base 1 and the sediment in the hole, install the vertical connecting shaft 12, and connect the hook frame assembly 4 to the base 1;

S4. Maintenance: Add lubricating grease every 10 weeks to the refueling cup connecting hook bolt 5, hook bolt shaft 8, and vertical connecting shaft 12. You can add 2# lithium-based lubricating grease or similar products. When adding grease, you must see the shaft until there is grease overflowing on the end face of the hole;

S5. Mooring cable: when the ship is docked at the dock, the ship's cable is sent to the mooring platform through the lead cable, and the lock hook lever 6 is pulled to lock the anchor hook 2 to realize fast mooring;

S6. Unmooring: When the ship leaves the wharf, pull the decoupling lever 7, release the anchor hook 2, untie the cable, and realize rapid unmooring.

The higher water level means that the water level has risen to a certain height above the mooring platform where the quick release hook is located; the lower water level means that the water level has dropped to a certain height below the mooring platform where the quick release hook is located.

Embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementations, and the above-mentioned specific implementations are only illustrative, rather than restrictive, and those of ordinary skill in the art will Under the enlightenment of the present invention, many forms can also be made without departing from the gist of the present invention and the protection scope of the claims, and these all belong to the protection of the present invention.

Claims (4)

1. A quick release hook device adapted to a fully submerged environment, characterized in that it includes a base (1) and a combined hook frame (3), and the combined hook frame (3) includes two detachable settings on the side of the base (1); The combined hook frame (3) includes an anchor hook (2), a hook frame assembly (4), a connecting hook bolt (5), a locking hook lever (6), a decoupling lever (7), a hook bolt shaft (8), an anchor Hook shaft (9), locking hook shaft (10), axle sleeve (11) and vertical connecting shaft (12); said hook frame assembly (4) comprises two left and right symmetrical settings, and the left and right two described hook frames The components (4) are connected by the lock hook shaft (10), and the anchor hook (2), the connecting hook bolt (5), the lock hook lever (6) and the unhook lever (7) are all arranged on the two hook frame components (4 ), the head of the hook frame assembly (4) is hinged through the anchor hook shaft (9) and the anchor hook (2), and the tail of the hook frame assembly (4) is connected to the The hook bolt (5) is hinged, and the lock hook lever (6) and the decoupling lever (7) are arranged between the anchor hook (2) and the connecting hook bolt (5), and the connecting hook bolt (5) is connected to the base ( 1) hinged by a vertical connecting shaft (12); The connecting hook bolt (5), the hook bolt shaft (8), and the vertical connecting shaft (12) are all provided with a shaft sleeve (11). 2. The quick release hook device adapted to a fully submerged environment according to claim 1, characterized in that, the base (1), the hook frame assembly (4), the anchor hook (2) and the connecting hook bolt ( 5) Anti-corrosion coating is provided on the surface. 3. The quick release hook device adapted to a fully submerged environment according to claim 1, characterized in that, the connecting hook bolt (5), the hook bolt shaft (8), the locking hook shaft (10) and the vertical A lubricating groove is arranged on the surface of the connecting shaft (12) and an oil filling cup is arranged inside. 4. A method for using the quick release hook device adapted to a fully submerged environment according to claim 1, characterized in that it comprises the following steps: S1. Separation: When the water level is high, the ship is moored to the upper platform where the base (1) is located, and the vertical connection shaft (12) of the quick release hook of the platform where the base (1) is located is removed to make the hook frame combination ( 3) separated from the base (1); S2. Transportation: transport the anchor hook (2) and the hook frame assembly (4) to the storage location; S3. Installation: When the water level is low, transport the anchor hook (2) and the hook frame assembly (4) to the mooring platform where the base (1) is located, wash the surface of the base (1) and the sediment in the hole with a high-pressure water gun, and install The vertical connection shaft (12) connects the hook frame assembly (4) to the base (1); S4, maintenance: add lubricating grease every 10 weeks to the refueling cup connecting the hook bolt (5), the hook bolt shaft (8), and the vertical connecting shaft (12); S5. Mooring cable: when the ship is docked at the dock, the ship's cable is sent to the mooring platform through the lead cable, the lock hook lever (6) is pulled, and the anchor hook (2) is locked to realize fast mooring; S6, unmooring: when the ship leaves the dock, pull the uncoupling lever (7), unclamp the anchor hook (2), untie the mooring rope, and realize quick unmooring.