CN119262178A

CN119262178A - A quick release towing device for a ship

Info

Publication number: CN119262178A
Application number: CN202411372076.7A
Authority: CN
Inventors: 李太平; 苏野; 阙云华; 朱燕
Original assignee: Cssc Luzhou Zhenjiang Marine Auxiliary Machinery Co ltd
Current assignee: Cssc Luzhou Zhenjiang Marine Auxiliary Machinery Co ltd
Priority date: 2024-09-29
Filing date: 2024-09-29
Publication date: 2025-01-07

Abstract

A marine quick-release towing device comprises a base, a towing frame connected to the base at one end and extending outward at the other end, a hook rotatably connected to the extended end of the towing frame, and a release structure and a locking block connected to the towing frame; the hook is concavely provided with a towing groove for placing a towing rope, the towing groove forms a towing opening on the hook surface, the locking block is arranged along the towing opening to achieve the closure of the towing groove, the release structure realizes the locking and release of the hook rotation, and the hook rotates to open the towing opening after the release structure releases the hook. The present invention provides an efficient and safe towing release solution in an emergency.

Description

Marine quick release towing device

Technical Field

The invention belongs to the field of marine towing equipment, and particularly relates to a marine quick-release towing device.

Background

The towing means is a key device specifically designed for use in marine environments to connect vessels or other offshore structures for towing operations. It is typically mounted at a specific location on the hull, such as the bow or stern, to facilitate various types of towing tasks. Towing devices are widely used in a variety of contexts including, but not limited to, emergency rescue operations, assisted navigation (e.g., guiding large vessels through narrow waterways), offshore construction support, scientific research, and the like. The main function of the device is to provide a safe and reliable connection point and ensure that the towed object can smoothly follow the towing vessel.

Currently, on many small vessels (e.g., lifeboats, patrol boats), the most commonly used towing method is implemented using conventional towing piles. This method, while simple and straightforward, exposes some significant drawbacks in the practical procedure requiring quick release, when it is desired to quickly separate the towed objects, it is common practice to manually unwind the securing cords, however under strenuous operating conditions such a unbinding procedure tends to take a long time and be prone to error. Especially in severe weather or when the drag is high, the manual disconnection may pose a potential threat to the operator, and improper handling may also lead to accidental injury or even more serious accidents. In the face of complicated and changeable sea conditions (such as rough sea, strong wind and the like), the traditional towing system is difficult to ensure that the instant separation task is efficiently and accurately completed, so that the overall emergency response efficiency is affected.

Disclosure of Invention

The invention aims to provide a quick-release towing device for a ship, which aims to solve the technical problem of quick-release of a towed object of a ship.

In order to achieve the above purpose, the specific technical scheme of the marine quick release towing device provided by the invention is as follows:

A marine quick release towing device comprises a base, a towing bracket, a lifting hook, a release structure and a locking block, wherein one end of the towing bracket is connected with the base, the other end of the towing bracket extends outwards, the lifting hook is rotatably connected with the extending end of the towing bracket, and the release structure and the locking block are connected to the towing bracket;

the lifting hook indent is provided with the towing belt groove of placing the towing rope, the towing belt groove is in the lifting hook surface forms the towing belt opening, the locking piece is followed the towing belt opening sets up to realize to the closure of towing belt groove, release structure realizes the rotatory locking and the release of lifting hook, release structure release behind the lifting hook rotatory open the towing belt opening.

As a further improvement of the invention, the release structure comprises a release rod rotatably connected with the towing bracket and a release block connected with the release rod, and the release rod is used for rotatably driving the release block to abut against the lifting hook to lock the lifting hook.

As a further improvement of the invention, the release lever comprises a control part and a connecting part, wherein the control part is connected with the connecting part at a certain angle, the bending connecting part is rotatably connected with the towing bracket through a connecting part, the connecting part is connected with the release block, and the control part rotatably drives the release block to be abutted with the lifting hook.

As a further improvement of the invention, the operation part protrudes relative to the towing bracket to facilitate the rotation operation, and the operation part realizes remote operation by connecting an operation rope.

As a further development of the invention, the control part is provided with a control hole for connecting a control rope for remote control.

As a further improvement of the invention, the lifting hook is concavely provided with a locking groove, and one end of the release block enters the locking groove to lock the lifting hook.

As a further improvement of the invention, the base is provided with through holes, and is connected with the connecting lifting lugs or the connecting piles through bolts, so that the installation on the side surface or the deck of the ship body is realized.

As a further improvement of the invention, the inner side of the locking block facing the lifting hook is matched with the periphery of the lifting hook, and the periphery of the lifting hook is round.

The beneficial effects are that:

The device adopts the design of combining the rotatable lifting hook and the locking block in the release state, so that when the towed object needs to be separated, the towing opening can be quickly opened only by rotating the release rod, and the real one-key quick release is realized. The design greatly simplifies the complex steps in the traditional unbinding process, and improves the emergency response speed in a sleeving and taking mode.

The device is provided with a special locking mechanism to ensure that the lifting hook is not accidentally opened in the towing process, thereby ensuring the safety of connection, and simultaneously, when the release action is executed, the whole process can be carried out in a place far away from a dangerous area (such as through remote control), thereby effectively avoiding the risk possibly brought to an operator due to direct contact.

The quick release towing device provided by the invention can work normally whether in a static state or under a large tensile force. Particularly in severe sea conditions, it can still maintain good performance and exhibit extremely high environmental adaptation.

The device supports two release modes of loading and unloading, can realize the taking out or sleeving of the towing rope by manually rotating the lifting hook under the unloading condition, and can rotate the lifting hook under the pulling force action of the towing object by rotating the release rod under the loading condition, thereby emergently releasing the towing object and providing powerful technical support for high-risk tasks such as marine rescue and the like.

The base through hole adopts a standard interface design, is convenient for flexibly adjusting the installation position according to actual demands, is beneficial to the general interface arrangement, is not only suitable for various types of small ships, but also can be well matched with other common navigation equipment for use, and further expands the application range.

In summary, the marine quick release towing device provided by the invention greatly enhances the safety factor while improving the offshore operation efficiency by virtue of the innovation, the practicability and the reliability, and has important significance for promoting the technical progress in the related fields.

Drawings

FIG. 1 is a schematic view of a marine quick release tow apparatus according to the present invention;

FIG. 2 is a schematic diagram of a release structure in a locked state;

FIG. 3 is a schematic view of a release state of the release structure;

FIG. 4 is a schematic illustration of a tow rope nesting;

FIG. 5 is a tow rope release schematic;

The figure shows 100, a base, 200, a towing bracket, 300, a lifting hook, 310, a towing groove, 311, a towing opening, 320, a locking groove, 400, a release structure, 410, a release rod, 411, a control part, 412, a connecting part, 413, a control hole, 420, a release block, 500, a locking block, 600, a towing rope and 700, and a control rope.

Detailed Description

For a better understanding of the objects, structures and functions of the present invention, a marine quick release tow apparatus according to the present invention will be described in further detail with reference to the accompanying drawings.

Implementation example:

The quick release towing device for a ship as shown in fig. 1 is connected with a ship through a base 100, a towing bracket 200 is fixed on the side surface of the base 100 through bolts and extends outwards, a lifting hook 300 is rotatably connected to the extending end of the base 100, a release structure 400 is arranged in the middle of the towing bracket 200, the locking and release state of the lifting hook 300 is realized through pulling the release structure 400, a towing groove 310 is arranged on the lifting hook 300, a towing rope 600 is sleeved in the towing groove 310, and a locking block 500 seals a towing opening 311 to realize the placement of the towing rope 600 on the lifting hook 300.

As shown in fig. 2 to 3, the hook 300 in this embodiment is circular, and the outer peripheral surface is concavely provided with a towing groove 310 and a locking groove 320, wherein the towing groove 310 is used for placing the connecting towing rope 600, and the locking groove 320 cooperates with the release structure 400 to lock the hook 300. The towing belt groove is formed with a towing belt opening on the outer circumferential surface of the hook, a locking block is provided at the outer side of the towing belt opening, the locking block 500 is fixedly connected to the towing belt rack 200, extends out toward the towing belt opening 311, has an inner side shape matched with the outer circumference of the hook 300, closes the towing belt opening 311 in a locked state of the hook 300, and closes the towing rope 600 in the towing belt groove 310.

The release structure 400 includes a release lever 410 and a release block 420, where the release lever 410 is a structure with a U-shaped long and short side, the long side is a control part 411, the control part 411 is exposed relative to the towing bracket 200 to facilitate subsequent rotation operation, the short side is a connection part 412 for connection with the release block 420, and the bent connection part is rotatably connected with the towing bracket 200 through a connection part, which is a pin connection in this embodiment. One end of the release block 420 is connected to the release lever 410, and the other end thereof is inserted into the locking groove 320 of the hook 300 to lock the hook 300. The top of the manipulation part 411 is provided with a manipulation hole 413, and the manipulation rope 700 is connected to realize the remote release operation of the release structure 400. Under the default state, the release lever 410 controls the release block 420 in the locking groove 320 under the restriction of the elastic component, the release lever 410 is rotated to enable the release block 420 to be separated from the locking groove 320, the lifting hook 300 is released, the lifting hook 300 is in a rotatable state, the pulling force on the release lever 410 is canceled, the release lever 410 returns to the initial position under the restoring action of the elastic component, the release block 420 enters the locking groove 320, and the lifting hook 300 enters the locking state.

As shown in fig. 4-5, when in use, the release lever 410 is pulled first to release the hook 300 into a rotatable state, the hook 300 is rotated to sleeve the towing rope 600 into the towing belt slot 310, the hook 300 is rotated until the locking block 500 closes the towing belt opening 311, the release lever 410 is released to enable the release lever 410 to return to a default state, and at this time, the release block 420 enters the locking slot 320, the hook 300 enters the locking state, and the towing rope cannot be separated from the towing belt slot 310. When the quick release is needed, only the release lever 410 is needed to be pulled, the lifting hook 300 enters a rotatable state, the lifting hook 300 automatically rotates under the pulling force of the towing rope 600, and the towing rope 600 automatically breaks away after rotating to a certain angle. Even under the condition of high load in emergency, smooth and reliable release can be realized without additional manual intervention, and the operation time and potential operation risks are further reduced.

The device is connected with the rope through the control hole to realize remote control, so that the locking of the lifting hook to the towing rope can be rapidly released only by pulling the release rod in emergency. Remote control avoids direct operator contact with the equipment, reducing potential safety risks, especially in severe sea conditions or high load conditions. Under the release state, the lifting hook can automatically rotate to open the towing opening under the action of the pulling force of the towing rope, so that the towing rope is automatically separated. The automatic rotation release function ensures that even under high load, a smooth, reliable release is achieved without additional manual intervention. The traditional unbinding process is often tedious and time-consuming, and the device can complete the releasing action by simply rotating the releasing rod, so that the operation steps are greatly simplified. The working efficiency is significantly improved and the possibility of misoperation is reduced, both in daily use and in quick response in emergency situations. In the locking state, the locking block tightly seals the towing belt opening, so that the towing rope is ensured to be firmly placed in the towing belt groove, and accidental falling is prevented. In the releasing process, the restoring action of the elastic component ensures that the release rod can quickly return to the initial position, the lifting hook is locked again, and the stability of the system is enhanced. The device can work normally in a static state or under the condition of bearing large tensile force, and has good environmental adaptability. Is particularly suitable for complex and changeable sea conditions, such as high waves, strong winds and the like, and can still keep high-efficiency and stable performance. The through holes of the base are designed by adopting standard interfaces, so that the mounting positions can be flexibly adjusted, and the device is suitable for various ships. The modular assembly is convenient to maintain and replace damaged parts in later period, and maintenance cost is reduced. Whether load exists or not, the device can realize stable and reliable release, and powerful technical support is provided for high-risk tasks such as marine rescue and the like. The device can be used for daily inspection and maintenance under the no-load condition, and can meet the requirement of quick unhooking under emergency under the full-load working condition.

It will be understood that the application has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the application. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the application without departing from the essential scope thereof. Therefore, it is intended that the application not be limited to the particular embodiment disclosed, but that the application will include all embodiments falling within the scope of the appended claims.

Claims

1. A quick-release towing device for a ship, characterized in that it comprises a base, a towing frame with one end connected to the base and the other end extending outward, a hook rotatably connected to the extended end of the towing frame, and a release structure and a locking block connected to the towing frame;

The hook is concavely provided with a towing groove for placing the towing rope, and the towing groove forms a towing opening on the surface of the hook. The locking block is arranged along the towing opening to achieve the closure of the towing groove. The release structure realizes the locking and release of the hook rotation. After the release structure releases the hook, the hook rotates to open the towing opening.

2. The marine quick-release towing device according to claim 1 is characterized in that the release structure comprises a release rod rotatably connected to the towing frame, and a release block connected to the release rod; the release rod rotates to drive the release block to abut against the hook to achieve locking of the hook.

3. The marine quick-release towing device according to claim 2 is characterized in that the release rod comprises an operating part and a connecting part, the operating part and the connecting part are connected at a certain angle, the bent connection is rotatably connected to the towing frame through a connecting component, the connecting part is connected to the release block, and the operating part rotates to drive the release block to abut against the hook.

4. The marine quick-release towing device according to claim 3, characterized in that the control part protrudes relative to the towing frame to facilitate rotation operation, and the control part is remotely controlled by connecting a control rope.

5. The quick-release towing device for a ship according to claim 4, characterized in that the control part is provided with a control hole for connecting a control rope to realize remote control.

6. The quick-release towing device for a ship according to claim 3, characterized in that a locking groove is concavely provided in the hook, and one end of the release block enters the locking groove to lock the hook.

7. The quick-release towing device for a ship according to claim 1, characterized in that the base is provided with a through hole, which is connected to a connecting lug or a connecting pile by bolts to achieve installation on the side of the hull or on the deck.

8. The quick-release towing device for a ship according to claim 1, characterized in that the inner shape of the locking block facing the hook matches the outer circumference of the hook, and the outer circumference of the hook is circular.