Self-locking catching hook device
Through the self-locking capture hook device, wireless remote control operation is achieved using an electric cylinder and torsion spring mechanism, which solves the manual dependence and collision risk of the small surface boat lifting device and realizes safe and efficient automated operation.
Patent Information
- Application Number
- CN202422960178.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2025-09-23
- Estimated Expiration
- 2034-12-02
AI Technical Summary
The existing lifting devices for small surface boats require manual hooking, which has the problems of high sea condition requirements, high risk of collision, and inconvenient operation.
It adopts a self-locking capture hook device, uses an electric cylinder and a torsion spring mechanism to achieve wireless remote control operation, and combines with an arresting cable to achieve rapid capture and deployment of small boats, avoiding manual intervention.
It eliminates the need for manual hooking and releasing, has a simple structure and light weight, and improves operational safety and work efficiency.
Smart Images
Figure CN223371081U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a retractable device in the field of ship machinery, in particular to a self-locking capture hook device. Background Art
[0002] Small surface boats have limited range and need to be carried by a mother ship when sailing. When they need to perform an operation task, they are released from the mother ship and return to the mother ship after the operation task is completed.
[0003] These small boats are typically mounted alongside a mother vessel and launched and recovered by hoisting. Hoisting equipment typically uses a single-point lift, making hooking difficult and requiring a high center of gravity configuration for the small boat. This operation must be performed in calm waters with good sea conditions or when the mother vessel is traveling at a relatively low speed. Otherwise, the two vessels will be close together during the operation, making collisions highly likely and dangerous. Certain vessel types or multi-point operations require manual assistance.
[0004] In view of the above-mentioned defects in the existing technology, the inventor has finally created the present utility model which has real practical value after continuous research, design, repeated trials and improvements. Summary of the Invention
[0005] The purpose of the utility model is to overcome the defects of the existing hanging device and provide a self-locking capture hook device with a new structure. The technical problem to be solved is to make it unnecessary to manually hook and release, make full use of the mother ship's own wireless remote control operation, avoid the danger caused by collision, and be more suitable for practical use.
[0006] Another object of the present invention is to provide a self-locking capture hook device, the technical problem to be solved is to make it simple in structure, light in weight, save manpower, improve work efficiency, and thus be more suitable for practical use.
[0007] The utility model is based on the concept of adopting a self-locking capture hook, which is installed on a small boat and can be used together with an arresting cable configured on a mother ship to quickly capture and deploy the small boat.
[0008] The purpose of the present invention and the technical problems it solves are achieved by employing the following technical solutions. A self-locking capture hook device, proposed in accordance with the present invention, is installed on a boat hull. It is characterized by comprising a base, a locking tongue, a torsion spring, a rocker arm, a compression spring, and an electric cylinder. The base is bolted or welded to the boat hull, the rocker arm is mounted on the base, the bottom end of the rocker arm is connected to the electric cylinder, the locking tongue is mounted on the base, a torsion spring is installed between the locking tongue and the base, and the electric cylinder is connected to a power supply on the boat and a communication module for remote control.
[0009] Furthermore, the base includes: a guide seat, a panel, a compression spring seat, a back plate, a swing arm lock, a bolt lock and a stop pin;
[0010] Among them: the guide seat, panel, compression spring seat, and back plate are welded components; the rocker arm is installed on the base through the rocker arm lock, the lock tongue is installed on the base through the lock tongue lock, the torsion spring is passed through the lock tongue pin, one end of the torsion spring is clamped on the stop pin, and the other end of the torsion spring is clamped on the lock tongue, and the compression spring is arranged in the compression spring seat.
[0011] Furthermore, the rocker arm includes a long hole and a hook. The upper end of the rocker arm is a hook. The contact surface of the hook lock tongue on the rocker arm is designed to have an inclination angle of 2° to 20°. The long hole set at the bottom end of the rocker arm is bolted to the electric cylinder.
[0012] Furthermore, the locking tongue includes an outer swing arm and an inner swing arm, and the two are an integrally formed structure.
[0013] Compared with the prior art, the present invention has obvious advantages and beneficial effects. It has at least the following advantages:
[0014] 1. Simple structure and light weight;
[0015] 2. No need for manual hooking and releasing;
[0016] 3. Can be operated by wireless remote control.
[0017] The above description is only an overview of the technical solution of the present invention. In order to more clearly understand the technical means of the present invention and to implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of an existing single-point load drop.
[0019] Figure 2 This is a schematic diagram of an existing multi-point load drop.
[0020] Figure 3 It is a schematic structural diagram of the utility model.
[0021] Figure 4 It is a schematic diagram of the lock tongue structure of the present utility model.
[0022] Figure 5 It is a schematic diagram of the swing rod structure of the utility model.
[0023] Figure 6 It is a schematic diagram of the locking state of the utility model.
[0024] Figure 7 It is a schematic diagram of capture preparation of the utility model.
[0025] Figure 8 It is a schematic diagram of the unlocking state of the utility model.
[0026] Figures 9A-9E It is a schematic diagram of the capture action of the utility model.
[0027] in:
[0028] 1: Base
[0029] 1-1: Guide seat 1-2: Panel
[0030] 1-3: Compression spring seat 1-4: Back plate
[0031] 1-5: Swing lever lock 1-6: Deadbolt lock
[0032] 1-7: Stop pin
[0033] 2: Lock tongue
[0034] 2-1: Outer swing arm 2-2: Inner swing arm
[0035] 3: Torsion spring
[0036] 4: Swing rod
[0037] 4-1: Long hole 4-2: Hook
[0038] 5: Compression spring 6: Electric cylinder
[0039] 7: Shield 8: Hull
[0040] 9: Arresting cable 10: Power supply and communication module DETAILED DESCRIPTION
[0041] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the following is a detailed description of the specific implementation method, structure, characteristics and effects of a self-locking capture hook device proposed in accordance with the present invention, in combination with the accompanying drawings and preferred embodiments.
[0042] See also Figure 3 The preferred embodiment of the present invention is a self-locking catch hook device, which mainly includes: a base 1, a lock tongue 2, a torsion spring 3, a rocker 4, a compression spring 5, and an electric cylinder 6.
[0043] See Figure 3 As shown, the base 1 comprises a guide base 1-1, a panel 1-2, a compression spring base 1-3, a back plate 1-4, a rocker arm lock 1-5, a bolt lock 1-6, and a stop pin 1-7. The base 1 is bolted or welded to the hull 8. The bottom end of the rocker arm 4 is connected to an electric cylinder 6, which is connected to a power supply on the boat and a communication module 10 for remote control.
[0044] The base 1 includes: a guide seat 1-1, a panel 1-2, a compression spring seat 1-3, a back plate 1-4, a rocker arm lock 1-5, a lock tongue lock 1-6, and a stop pin 1-7; wherein: the guide seat 1-1, the panel 1-2, the compression spring seat 1-3, and the back plate 1-4 are welded components; the rocker arm 4 is installed on the base 1 through the rocker arm lock 1-5, and the lock tongue 2 is installed on the base 1 through the lock tongue lock 1-6, and a torsion spring 3 is installed between the lock tongue 2 and the base 1 and the torsion spring 3 is passed through the lock tongue lock 1-6, one end of the torsion spring 3 is clamped on the stop pin 1-7, and the other end of the torsion spring 3 is clamped on the lock tongue 2, and the compression spring 5 is arranged in the compression spring seat 1-3.
[0045] See Figure 4 As shown, the lock tongue 2 is a V-shaped structure, including an inner swing arm 2-2 and an outer swing arm 2-1 and is integrally formed;
[0046] See Figure 5 As shown, the swing arm 4 is designed with an elongated hole 4-1 and a hook 4-2. The hook 4-2 is located at the upper end of the swing arm 4. The contact surface between the hook 4-2 and the lock tongue 2 is designed to have an inclination angle α of 2° to 20°, for example, an inclination angle α of 4 degrees. The elongated hole 4-1 at the lower end of the swing arm 4 is bolted to the electric cylinder 6.
[0047] See Figure 3 As shown, the electric cylinder 6 is connected to a power supply and communication module 10 on the boat for power supply and remote control operation.
[0048] The base 1 is bolted or welded to the hull 8 , and a shield 7 is provided outside the entire device to protect the device body. The shield 7 is part of the hull 8 .
[0049] The arresting cable 9 is a supporting part of the mother ship and is used to tow and capture the padlock device to move.
[0050] The power supply and communication module 10 is a mother ship accessory and is used to provide power supply and motion instructions to the electric cylinder 6 .
[0051] in,
[0052] The working mechanism is as follows:
[0053] See Figure 6 As shown, locked state:
[0054] The electric cylinder 6 extends, and the rocker arm 4 is lifted by the compression spring 5 until it contacts the lower plane of the panel 1-2 and stops.
[0055] The lock tongue 2 tends to rotate counterclockwise under the action of the torsion spring 3 and presses against the hook on the pendulum rod 4. The contact surface between the hook on the pendulum rod 4 and the lock tongue 2 is designed with a certain inclination angle α, so that the pendulum rod 4 and the lock tongue 2 form a self-locking state, and will not drive the pendulum rod 4 to rotate clockwise around the pendulum rod pin 1-5 when the lock tongue 2 rotates, thereby causing the lock tongue 2 to fall out and cause the mechanism to fail.
[0056] Figure 8 As shown, unlocked state
[0057] The electric cylinder 6 retracts, driving the rocker arm 4 to rotate clockwise around the rocker arm lock 1-5 until the hook 4-2 on the rocker arm 4 is disengaged from the lock tongue 2. The lock tongue 2 rotates counterclockwise around the lock tongue lock 1-6 under the action of the torsion spring 3 until the lock tongue 2 contacts the lock tongue stop pin 1-7 and stops rotating. At this time, the blocking cable 9 can be disengaged outward.
[0058] Figure 7 As shown, capture the ready state
[0059] The self-locking catch hook is in the unlocked state, and the electric cylinder 6 is operated to extend, and the rocker arm 4 is reset.
[0060] Figures 9A-9E Capture function
[0061] The self-locking catch hook is in the capture-ready state, operating the electric cylinder 6 to extend and the swing arm 4 to return to its original position. The arresting cable 9 strikes the lock tongue 2 from the outside inward, causing it to rotate clockwise around the lock tongue lock 1-6. The outer bend 2-1 of the lock tongue 2 presses the swing arm 4 to rotate clockwise until the outer bend 2-1 of the lock tongue 2 locks with the hook on the swing arm 4. Due to the presence of the elongated hole 4-1, the electric cylinder 6 does not need to be activated and will not hinder the rotation of the swing arm 4. At this point, the entire device is locked, and due to the self-locking relationship between the lock tongue 2 and the swing arm 4, the arresting cable 9 cannot escape on its own.
[0062] Release function
[0063] The electric cylinder 6 retracts and the device is in the unlocked state. At this time, the lock tongue 2 tends to rotate counterclockwise due to the action of the torsion spring 3. The arresting cable 9 can be disengaged by itself under the operation of the mother ship, or the relative speed of the small boat and the mother ship changes, causing the distance between the two to gradually increase, and then the mother ship pulls the arresting cable 9 outward to disengage, and the small boat is released.
[0064] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modifications to the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.
Claims
1. A self-locking capture hook device, which is installed on the hull, characterized by: include: A base (1), a lock tongue (2), a torsion spring (3), a rocker arm (4), a compression spring (5), and an electric cylinder (6), wherein the base (1) is bolted or welded to a hull (8), the rocker arm (4) is mounted on the base (1), the bottom end of the rocker arm (4) is connected to the electric cylinder (6), the lock tongue (2) is mounted on the base (1), a torsion spring (3) is mounted between the lock tongue (2) and the base (1), and the electric cylinder (6) is connected to a power supply for power supply and a communication module (10) for remote control operation on the boat.
2. A self-locking capture hook device according to claim 1, characterized in that: The base (1) comprises: a guide seat (1-1), a panel (1-2), a compression spring seat (1-3), a back plate (1-4), a swing arm lock (1-5), a bolt lock (1-6) and a stop pin (1-7); The guide seat (1-1), the panel (1-2), the compression spring seat (1-3), and the back plate (1-4) are welded components; the swing arm (4) is mounted on the base (1) through the swing arm lock (1-5); the lock tongue (2) is mounted on the base (1) through the lock tongue lock (1-6); the torsion spring (3) is passed through the lock tongue lock (1-6); one end of the torsion spring (3) is clamped on the stop pin (1-7); the other end of the torsion spring (3) is clamped on the lock tongue (2); and the compression spring (5) is arranged in the compression spring seat (1-3).
3. The self-locking capture hook device according to claim 1, characterized in that: The swing rod (4) comprises a long hole (4-1) and a hook (4-2). The upper end of the swing rod (4) is the hook (4-2). The contact surface between the hook (4-2) on the swing rod (4) and the lock tongue (2) is designed to have an inclination angle of 2° to 20°. The long hole (4-1) provided at the bottom end of the swing rod (4) is bolted to the electric cylinder (6).
4. The self-locking capture hook device according to claim 1, characterized in that: The lock tongue (2) comprises an outer swing arm (2-1) and an inner swing arm (2-2), and the two are an integrally formed structure.