Engineering ship protection connecting device

The connection device, which combines a permanent magnet with a wedge-shaped clamping block, solves the problem of cumbersome operation of existing engineering vessel connection devices, and achieves convenient and stable connection and disassembly, making it suitable for frequent disassembly and assembly scenarios.

CN223952991UActive Publication Date: 2026-02-27JIASHAN JINSHENG SHIP REPAIR YARD CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520832385.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-02-27
Estimated Expiration
2035-04-28

AI Technical Summary

Technical Problem

The existing connection devices for engineering vessels are cumbersome to operate, requiring the tightening of multiple bolts and nuts, which makes installation and disassembly inconvenient.

Method used

It adopts a combination of permanent magnet and threaded connection, wedge clamping block and push cylinder, to achieve quick connection through magnetic adsorption. Hall sensor monitors locking pressure and push cylinder to drive wedge clamping block to achieve convenient fixation.

Benefits of technology

It enables convenient installation and disassembly, improves operational efficiency, ensures stability and safety in harsh environments, and features uniform magnetic force distribution to avoid stress concentration. Hall effect sensors monitor the locking status.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223952991U_ABST
    Figure CN223952991U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of ships, and particularly relates to an engineering ship protection connecting device which comprises a ship body, two sets of fastening devices are arranged on the ship body, the two sets of fastening devices are symmetrically arranged, a connecting mechanism is arranged between the two sets of fastening devices, and each fastening device comprises a pushing air cylinder, a mounting base and a clamping piece. The mounting base is fixedly connected with the ship body, the output end of the pushing air cylinder is connected with the clamping piece, the clamping piece comprises a sliding wheel and wedge-shaped clamping blocks, the sliding wheel is rotationally connected with the wedge-shaped clamping blocks, a containing space for containing the connecting mechanism is formed between the two wedge-shaped clamping blocks, the connecting mechanism comprises a fixing base, a connecting rod and a connecting block, the fixing base is arranged above the connecting rod, and the connecting rod is arranged above the connecting block. The connecting block is connected with the connecting rod, an annular groove for clamping the wedge-shaped clamping block is formed in the peripheral wall of the connecting block, and an elastic piece corresponding to the connecting block is arranged on the ship body; compared with the prior art, the utility model is more convenient to disassemble and assemble.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to ship technology field more specifically, it relates to a kind of engineering ship protection connecting device. BACKGROUND

[0002] Engineering ship refers to the "ship" specially engaged in certain water or underwater engineering. It is equipped with complete working machinery to complete specific work tasks, such as waterway maintenance, port operation, water conservancy construction, offshore construction, salvage and salvage, etc. It includes dredger, crane ship, piling ship, cable laying ship, offshore salvage and salvage ship, floating dock, underwater working ship, etc.

[0003] For example, the authorized announcement No. CN220518512U discloses an engineering ship fastening connecting device, which fixes the steel plates and the hull by the flanges of the two steel plate surfaces through multiple flange bolts, then merges the two steel plates by the staff, then inserts the connecting plate into the surface of the two connecting blocks to fix the two steel plates, inserts the two hexagonal screws into the connecting blocks to extend to one side of the connecting plate, and tightens and fixes the two steel plates by the nut to make the two steel plates more fixed, so that the device can fix the hull, increase the firmness, avoid the hull from being impacted to appear cracks, and quickly, stably and safely butt joint.

[0004] In the above, the flanges are connected by multiple threaded bolts, multiple bolts need to be tightened to fix the steel plates and the hull, then the two steel plates are connected by screws and nuts, which is more troublesome to operate. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the purpose of the utility model is to provide an engineering ship protection connecting device that is more convenient to connect.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] An engineering ship protection connecting device includes a hull, two sets of fastening devices are provided on the hull, the two sets of fastening devices are symmetrically arranged,

[0008] A connecting mechanism is provided between the two sets of fastening devices,

[0009] The fastening device includes a push cylinder, a mounting seat and a clamping piece, the push cylinder is placed above the hull, the mounting seat is fixedly connected with the hull, the output end of the push cylinder is connected with the clamping piece, the clamping piece includes a sliding wheel and a wedge-shaped clamping block, the sliding wheel is rotationally connected with the wedge-shaped clamping block,

[0010] A placing space for placing the connecting mechanism is provided between the two wedge-shaped clamping blocks,

[0011] The connecting structure comprises a fixing seat, a connecting rod and a connecting block, the fixing seat is arranged above the connecting rod, the connecting block is connected with the connecting rod, and an annular groove for clamping the wedge-shaped clamping block is arranged on the outer peripheral wall of the connecting block,

[0012] An elastic member is arranged on the hull corresponding to the connecting block.

[0013] The elastic member comprises a base and a spring one, the base is fixedly connected with the hull, a cavity is formed in the upper end surface of the base, the spring one is arranged in the cavity, a supporting plate is connected to the upper end surface of the spring one, and the spring one is a disc spring.

[0014] The output end of the push cylinder one is sleeved with a spring two, one end of the spring two is fixedly connected with the push cylinder, the other end of the spring two is fixedly connected with the wedge-shaped clamping block, and the spring two is a spiral spring.

[0015] The mounting seat is connected with the hull through threads, a permanent magnet is embedded in the lower end surface, the permanent magnets are arranged in a honeycomb shape, and the permanent magnet is a neodymium-iron-boron N52 grade.

[0016] A Hall sensor is embedded below the mounting seat, and a waterproof sleeve is arranged on the Hall sensor.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] The mounting seat and the hull are connected through magnetic attraction and threads, the stability of the connection between the mounting seat and the hull is ensured, more than 60% of the contact surface of the mounting seat and the hull is covered by the module, instantaneous adsorption force (>200N / cm²) is provided to realize millimeter-level positioning accuracy, further, the two mounting seats are connected by clamping the connecting block through the two wedge-shaped clamping blocks, when disassembling, the push cylinder is only needed to be driven in the reverse direction, the operation is convenient, when installing, the connecting block is only needed to be placed between the two wedge-shaped clamping blocks and then the push cylinder is started, and further, the Hall sensor is used for monitoring the locking pressure and the magnetic attraction integrity in real time, and communicates with external equipment through a low-power Bluetooth module, and the safety of the hull is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model embodiment;

[0020] Figure 2 It is a connecting schematic view of the utility model embodiment;

[0021] Figure 3 It is an elastic member schematic view of the utility model embodiment.

[0022] Hull 1, fastening device 2, connecting structure 3, push cylinder 4, mounting seat 5, clamping piece 6, sliding wheel 7, wedge-shaped clamping block 8, fixing seat 9, connecting rod 10, connecting block 11, annular groove 12, elastic element 13, base 14, spring one 15, support plate 16, spring two 17, permanent magnet 18, hall sensor 19. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] In the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] Working principle: when in use, the permanent magnet 18 module covers more than 60% of the contact surface 60% of the mounting seat 5 and the hull 1, providing a transient adsorption force > 200N / cm² to achieve millimeter-level positioning accuracy.

[0026] First, the mounting seat 5 is connected with the hull 1, then the push cylinder 4 is fixed with the mounting seat 5, and the other group of fastening devices 2 is installed on the hull 1 that needs to be fixed, and then the elastic element 13 is placed between the two groups of fastening devices 2, then the connecting structure 3 is placed in the placement space, under the pressure action of the connecting block 11, the spring one 15 is contracted, at the same time, the output end of the push cylinder 4 is retracted, at the same time, the sliding wheel 7 can reduce the friction between the wedge-shaped clamping block 8 and the hull 1, and the service life of the wedge-shaped clamping block 8 is increased.

[0027] When the wedge-shaped clamping block 8 is clamped with the annular groove 12, the output end of the push cylinder 4 is driven to move, the connecting block 11 is clamped, the connection between the two groups of fastening devices 2 is realized, and the fixing between the hulls 1 where the two groups of fastening devices 2 are located is realized.

[0028] As shown in 1 to Figure 3 As shown in

[0029] The ship body 1 is provided with two sets of fastening devices 2, which are symmetrically arranged and provided with a connecting mechanism between them.

[0030] The fastening device 2 comprises a push cylinder 4, a mounting seat 5 and a clamping piece 6. The mounting seat 5 is threadedly connected with the ship body 1, and the lower end surface is embedded with permanent magnets 18 arranged in a honeycomb shape. The permanent magnets 18 are made of neodymium iron boron N52, and the strong magnetic field generated by the permanent magnets, such as neodymium iron boron N52, can instantly attract the steel plate to the surface of the ship body 1, achieving millimeter-level positioning accuracy.

[0031] The operator does not need to use auxiliary tools such as bolts and clamps, and a single person can complete the installation, significantly improving efficiency. The attractive force provided by the permanent magnets is sufficient to resist dynamic loads such as water flow impact and vibration, ensuring the stability of the steel plate in harsh environments. The magnetic attraction force is evenly distributed on the entire contact surface, avoiding local stress concentration and improving system reliability.

[0032] The magnetic attraction force can be released by simple mechanical operation, achieving non-destructive disassembly. The permanent magnets have stable performance and can be reused thousands of times, suitable for scenarios that require frequent disassembly.

[0033] A Hall sensor 19 is embedded below the mounting seat 5, and a waterproof sleeve is provided outside the Hall sensor 19 to avoid the influence of a humid environment on the operation of the Hall sensor 19.

[0034] The push cylinder 4 is placed above the ship body 1, the mounting seat 5 is fixedly connected with the ship body 1, the output end of the push cylinder 4 is connected with the clamping piece 6, and the push cylinder 4 is provided with a spring 17 at one output end, one end of the spring 17 is fixedly connected with the push cylinder 4, and the other end of the spring 17 is fixedly connected with the wedge-shaped clamping block 8. The spring 17 is a coil spring with compression and stretching functions, which can provide further clamping force to the wedge-shaped clamping block 8.

[0035] The clamping piece 6 comprises a sliding wheel 7 and a wedge-shaped clamping block 8, and the sliding wheel 7 is rotatably connected with the wedge-shaped clamping block 8. At the same time, the sliding wheel 7 can reduce the friction between the wedge-shaped clamping block 8 and the ship body 1, and increase the service life of the wedge-shaped clamping block 8.

[0036] A placement space for the connecting mechanism is provided between the two wedge-shaped clamping blocks 8. The connecting structure 3 comprises a fixing seat 9, a connecting rod 10 and a connecting block 11. The fixing seat 9 is placed above the connecting rod 10, the connecting block 11 is connected with the connecting rod 10, and the outer peripheral wall of the connecting block 11 is provided with an annular groove 12 for clamping the wedge-shaped clamping block 8, providing an opportunity for clamping.

[0037] The elastic member 13 is arranged on the ship body 1 corresponding to the connecting block 11, and the elastic member 13 comprises a base 14 and a spring 15, the base 14 is fixedly connected with the ship body 1, a cavity is formed in the upper end surface of the base 14, the spring 15 is arranged in the cavity, a supporting plate 16 is connected with the upper end surface of the spring 15, and the spring 15 is a disc spring.

[0038] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any common change and replacement within the technical scheme range of the present application should be included in the protection range of the present application.

Claims

1. A protective connection device for an engineering vessel, comprising a hull (1), characterized in that: The hull (1) is provided with two sets of fastening devices (2), which are arranged symmetrically. A connecting mechanism is provided between the two sets of fastening devices (2). The fastening device (2) includes a push cylinder (4), a mounting base (5), and a clamping element (6). The push cylinder (4) is positioned above the hull (1), the mounting base (5) is fixedly connected to the hull (1), and the output end of the push cylinder (4) is connected to the clamping element (6). The clamping element (6) includes a sliding wheel (7) and a wedge-shaped clamping block (8). The sliding wheel (7) and the wedge-shaped clamping block (8) are rotatably connected. A space is provided between the two wedge-shaped clamping blocks (8) for placing the connecting mechanism. The connecting structure (3) includes a fixed seat (9), a connecting rod (10) and a connecting block (11). The fixed seat (9) is placed above the connecting rod (10), and the connecting block (11) is connected to the connecting rod (10). The outer peripheral wall of the connecting block (11) is provided with an annular groove (12) for the wedge-shaped clamping block (8) to engage. The hull (1) is provided with an elastic element (13) corresponding to the connecting block (11).

2. The engineering vessel protective connection device according to claim 1, characterized in that: The elastic element (13) includes a base (14) and a spring (15). The base (14) is fixedly connected to the hull (1). A cavity is opened on the upper surface of the base (14). The spring (15) is placed in the cavity. A support plate (16) is connected to the upper surface of the spring (15). The spring (15) is a disc spring.

3. The engineering vessel protective connection device according to claim 1, characterized in that: The output end of the push cylinder (4) is fitted with a spring (17). One end of the spring (17) is fixedly connected to the push cylinder (4), and the other end of the spring (17) is fixedly connected to the wedge clamping block (8). The spring (17) is a helical spring.

4. The engineering vessel protective connection device according to claim 1, characterized in that: The mounting base (5) is connected to the hull (1) by a thread, and a permanent magnet (18) is embedded in the lower end face. The permanent magnet (18) is arranged in a honeycomb pattern and is made of neodymium iron boron N52 grade.

5. The engineering vessel protective connection device according to claim 4, characterized in that: A Hall sensor (19) is embedded below the mounting base (5), and the Hall sensor (19) is covered with a waterproof sleeve.

Citation Information

Patent Citations

  • Engineering ship fastening connection device

    CN220518512U