Anchor chain take-up and pay-off auxiliary device

By optimizing the guiding and locking components of the anchor chain deployment and retrieval device, stable deployment and safe locking of the anchor chain under different sea conditions have been achieved. This solves the problems of inaccurate anchor chain guidance, swaying, and insufficient locking reliability in existing technologies, thereby improving ship safety and operational efficiency.

CN223803741UActive Publication Date: 2026-01-16SHANDONG SHIPBUILDING TECH RES CO LTD
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Patent Information

Application Number
CN202520610985.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-01-16
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

Existing anchor chain retrieval and deployment devices suffer from problems such as inaccurate anchor chain guidance, easy swaying and derailment during retrieval and deployment, and slow response and insufficient reliability of the locking mechanism. These issues increase the risk, especially in harsh sea conditions, affecting ship safety and operational efficiency.

Method used

It employs anchor chain guiding components, active retraction components, and adaptive locking components, including V-shaped guide wheel sets, arc-shaped guide grooves, guide plates, hydraulic motors, reducers, sprockets, hydraulic cylinders, pressure sensors, and locking blocks, etc., to ensure stable operation and safe locking of the anchor chain along a predetermined trajectory through precise guidance, automatic adjustment, and locking of the anchor chain tension.

Benefits of technology

It improves the stability and efficiency of anchor chain deployment and retrieval, reduces frictional wear, extends the service life of the device, and ensures safety and reliability under different sea conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an anchor chain take-up and pay-off auxiliary device, and belongs to the technical field of anchor chain take-up and pay-off, the anchor chain take-up and pay-off auxiliary device comprises an anchor chain guide assembly, an active take-up and pay-off assembly and a self-adaptive locking assembly, the anchor chain guide assembly comprises a guide wheel set, a guide groove and a guide plate, the guide wheel set is arranged in a V shape and is meshed with an anchor chain, and the guide plate is arranged in the guide groove. Transverse movement of the anchor chain is limited; the guide groove is located below the guide wheel set and is in an arc shape. The guide plates are arranged on the two sides of the guide groove and are in a plate shape. The active take-up and pay-off assembly is arranged on one side of the anchor chain guide assembly, is wound with the anchor chain and is used for taking up and paying off the anchor chain; the self-adaptive locking assembly is arranged on the side, away from the active retracting and releasing assembly, of the anchor chain guiding assembly. The problems that in the using process of an existing anchor chain take-up and pay-off device, guide of an anchor chain is not accurate, the anchor chain easily shakes and breaks away from a rail in the take-up and pay-off process, and a locking mechanism is slow in response and insufficient in reliability can be solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to anchor chain take-up technology field, concretely relates to a kind of anchor chain take-up auxiliary device. BACKGROUND

[0002] Ship anchoring system is the key equipment of ship safety, wherein the anchor chain take-up mechanism directly affects the safety and efficiency of anchoring operation.The traditional anchor chain take-up system is mainly composed of windlass, anchor chain wheel and anchor chain pipe, the windlass provides power, the anchor chain wheel guides the movement of anchor chain, and the anchor chain pipe guides the anchor chain into the anchor chain cabin.In practical application, especially in complex sea conditions, this traditional structure has many limitations.Firstly, the traditional anchor chain guiding device usually adopts fixed structure, which cannot adapt to the change of anchor chain tension, leading to the anchor chain to easily shake in the process of taking up, even off the predetermined track, causing operation danger.Secondly, the traditional anchor chain locking mechanism mostly adopts ratchet and pawl design, which is easy to wear after long-term use, and the locking precision decreases, and the impact force is large in the locking and releasing process, causing additional damage to the anchor chain and equipment.Thirdly, the anchor chain take-up device in the prior art generally lacks adjustable function, and cannot be adjusted according to different types of anchor chain and different working conditions, with poor adaptability.At present, although some improved anchor chain take-up devices have appeared on the market, such as adding buffer device or using hydraulic control system, these schemes usually have complex structure, high cost and difficult maintenance, and still cannot solve the fundamental problems of anchor chain guiding accuracy and locking reliability.Especially in severe sea conditions, the limitations of existing devices are more obvious, the risk of anchor chain take-up operation increases, which seriously affects the safety and operation efficiency of ship. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the utility model provides an anchor chain take-up auxiliary device, which can solve the problems of inaccurate anchor chain guiding, easy shaking and off track in the process of taking up, and slow response and insufficient reliability of locking mechanism in the existing anchor chain take-up device.

[0004] The utility model is realized as follows:

[0005] The utility model provides a kind of anchor chain winding and unwinding auxiliary device, wherein, including anchor chain guide assembly, active winding and unwinding component and self-adapting locking assembly, the anchor chain guide assembly includes guide wheel group, guide groove and guide plate, the guide wheel group is arranged in V type and is engaged with anchor chain, for limiting anchor chain transverse movement;The guide groove is located below the guide wheel group, shape is arc, for guiding anchor chain movement along predetermined trajectory;The guide plate is arranged in the both sides of the guide groove, shape is plate, for preventing anchor chain from jumping out of guide groove;The active winding and unwinding component is arranged in the side of the anchor chain guide assembly, winding has the anchor chain, for realizing the winding and unwinding of anchor chain;The self-adapting locking assembly is arranged in the side of the anchor chain guide assembly away from the active winding and unwinding component, for realizing the locking of anchor chain.

[0006] The utility model provides a kind of anchor chain winding and unwinding auxiliary device's technical effect is as follows: guide wheel group is engaged with anchor chain by V type arrangement, effectively limits the transverse movement of anchor chain, ensures the stable operation of anchor chain along predetermined trajectory.

[0007] Guide groove arc design can accurately guide the movement of anchor chain, reduce the friction between anchor chain and guide groove, help to improve the stability of winding process.

[0008] Guide plate prevents anchor chain from jumping out of guide groove, ensures the safe guidance of anchor chain, avoids the accidental drop of anchor chain in winding process.

[0009] On the basis of above-mentioned technical scheme, a kind of anchor chain winding and unwinding auxiliary device of the utility model can also be improved as follows:

[0010] Wherein, the active winding and unwinding component includes hydraulic motor, speed reducer, chain wheel and anchor chain cabin, the output shaft of the hydraulic motor is connected with the center shaft of the chain wheel by the speed reducer, for driving the rotation of the chain wheel, the chain wheel is engaged with anchor chain, for realizing the winding and unwinding of anchor chain;The anchor chain cabin is arranged in the side of the chain wheel away from the anchor chain guide assembly, for storing anchor chain.

[0011] The beneficial effects of the above improvement scheme are: by the cooperation of hydraulic motor and speed reducer, the rotation of chain wheel can be accurately controlled, the winding and unwinding of anchor chain are realized, the requirement for torque in operation process is reduced, and the stability and efficiency of operation are improved.

[0012] Further, the self-adapting locking assembly includes hydraulic cylinder, pressure sensor and locking block, the locking block is engaged with anchor chain, the hydraulic cylinder is arranged in the side of the locking block, for driving the locking block to realize the locking of anchor chain;The pressure sensor is arranged in the side of the locking block engaged with the anchor chain, for monitoring anchor chain tension.

[0013] The beneficial effects of the above improvement scheme are that the cooperation of the hydraulic cylinder and the pressure sensor realizes the accurate control of the locking block, can automatically lock when the anchor chain tension changes, and provides higher safety. The function of monitoring the anchor chain tension helps to judge the state of the anchor chain in time and avoid equipment damage caused by excessive or insufficient tension.

[0014] Further, each guide wheel of the guide wheel set is installed on an independent bearing seat, the bearing seat is fixed on the guide frame through bolts, the guide frame is connected with the ship body for independent rotation of each guide wheel, adaptation to the movement of the anchor chain, and improvement of the guiding accuracy.

[0015] The beneficial effects of the above improvement scheme are that the guide wheels installed on the independent bearing seats can adapt to the movement of the anchor chain in the winding and unwinding process, ensure the accurate guidance of the anchor chain, and avoid friction damage caused by different angle rotation.

[0016] Further, the inner wall of the guide groove is lined with a wear-resistant rubber layer for reducing the friction between the anchor chain and the guide groove and prolonging the service life of the guide groove.

[0017] The beneficial effects of the above improvement scheme are that the wear-resistant rubber layer reduces the friction between the guide groove and the anchor chain, prolongs the service life of the guide groove, and improves the durability of the system.

[0018] Further, the sprocket adopts multi-stage gear transmission for realizing greater winding and unwinding torque and more accurate control; the multi-stage gears are connected through bearings and installed in a closed gear box filled with lubricating oil.

[0019] The beneficial effects of the above improvement scheme are that the multi-stage gear transmission increases the torque in the winding and unwinding process through the gear transmission system, improves the control accuracy, and ensures the stability of the operation.

[0020] Further, the surface of the locking block is provided with anti-skid texture for increasing the friction between the anchor chain and the locking block and improving the locking reliability.

[0021] The beneficial effects of the above improvement scheme are that the anti-skid texture locking block increases the friction between the anchor chain and the locking block, improves the locking reliability, and prevents the anchor chain from loosening due to insufficient friction during the locking process.

[0022] Further, the width of the V-shaped guide wheel set is 1.2 to 1.5 times the diameter of the anchor chain for ensuring that the anchor chain can freely enter and exit the guide wheel set without being stuck, and at the same time, the anchor chain does not sway in the guide wheel set to cause instability.

[0023] The beneficial effect of the improved scheme is that the V-shaped width of the guide wheel group ensures that the anchor chain can freely enter and exit the guide wheel group, avoiding the jamming phenomenon and improving the stability of the winding and unwinding process.

[0024] Further, the outer edge of the guide wheel is provided with a plurality of weight-reducing holes for reducing the overall weight and rotational inertia.

[0025] Further, the weight-reducing holes are circular and extend in the radial direction of the guide wheel, and the number is 8-12 and uniformly distributed in the circumferential direction of the guide wheel, for reducing the weight while maintaining the structural strength of the guide wheel, ensuring the dynamic balance of the guide wheel.

[0026] The beneficial effect of the improved scheme is that the weight-reducing holes reduce the overall weight and rotational inertia of the guide wheel, improve the rotation efficiency, and optimize the dynamic performance of the anchor chain winding and unwinding system.

[0027] Compared with the prior art, the beneficial effect of the anchor chain winding and unwinding auxiliary device provided by the utility model is:

[0028] 1. By optimizing the design of the guide wheel group, the guide groove and the guide plate, the smooth running of the anchor chain along the predetermined track is effectively ensured, the friction and jamming phenomenon in the winding and unwinding process is reduced, and the stability and efficiency of the operation are improved.

[0029] 2. The self-adaptive locking assembly can automatically adjust and lock the tension of the anchor chain through the cooperation of the hydraulic cylinder and the pressure sensor, prevent the damage of the equipment caused by the tension fluctuation, and greatly improve the safety.

[0030] 3. The guide groove adopts the design of wear-resistant rubber layer and anti-skid texture locking block, reduces the friction loss, prolongs the service life of each component, and ensures the long-term reliable operation of the device.

[0031] 4. The multi-stage gear transmission system and the weight-reducing holes reduce the weight of the guide wheel, optimize the rotational inertia and dynamic characteristics, thereby improving the control accuracy of the torque and the response efficiency of the system in the winding and unwinding process.

[0032] 5. Combined with hydraulic control and sensor monitoring, the device can realize accurate chain wheel rotation and anchor chain tension locking, ensuring stable and accurate control of the anchor chain during the entire operation process. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the utility model, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0034] Figure 1 It is a schematic view of the structure of an anchor chain winding and unwinding auxiliary device;

[0035] In the drawings, the components represented by each reference numeral are listed as follows:

[0036] 10, anchor chain guide assembly; 11, guide wheel set; 12, guide groove; 13, guide plate; 20, active winding and unwinding assembly; 21, hydraulic motor; 22, speed reducer; 23, chain wheel; 24, anchor chain cabin; 30, adaptive locking assembly; 31, hydraulic cylinder; 32, pressure sensor; 33, locking block. DETAILED DESCRIPTION

[0037] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application.

[0038] As Figure 1 shown, it is an embodiment of an anchor chain winding and unwinding auxiliary device provided by the present application, in which embodiment, it comprises an anchor chain guide assembly 10, an active winding and unwinding assembly 20 and an adaptive locking assembly 30, the anchor chain guide assembly 10 comprises a guide wheel set 11, a guide groove 12 and a guide plate 13, the guide wheel set 11 is arranged in V shape and engages with the anchor chain, for limiting the transverse movement of the anchor chain; the guide groove 12 is located below the guide wheel set 11 and is in arc shape, for guiding the anchor chain to move along a predetermined track; the guide plate 13 is arranged on both sides of the guide groove 12 and is in plate shape, for preventing the anchor chain from jumping out of the guide groove; the active winding and unwinding assembly 20 is arranged on one side of the anchor chain guide assembly 10 and has the anchor chain wound thereon, for realizing the winding and unwinding of the anchor chain; the adaptive locking assembly 30 is arranged on the side of the anchor chain guide assembly 10 away from the active winding and unwinding assembly 20, for realizing the locking of the anchor chain.

[0039] In the above technical scheme, the active winding and unwinding assembly 20 comprises a hydraulic motor 21, a speed reducer 22, a chain wheel 23 and an anchor chain cabin 24, the output shaft of the hydraulic motor 21 is connected with the central shaft of the chain wheel 23 through the speed reducer 22, for driving the chain wheel 23 to rotate, the chain wheel 23 engages with the anchor chain, for realizing the winding and unwinding of the anchor chain; the anchor chain cabin 24 is arranged on the side of the chain wheel 23 away from the anchor chain guide assembly 10, for storing the anchor chain.

[0040] Further, in the above technical scheme, the adaptive locking assembly 30 comprises a hydraulic cylinder 31, a pressure sensor 32 and a locking block 33, the locking block 33 engages with the anchor chain, the hydraulic cylinder 31 is arranged on one side of the locking block 33, for driving the locking block 33 to realize the locking of the anchor chain; the pressure sensor 32 is arranged on the side of the locking block 33 engaging with the anchor chain, for monitoring the tension of the anchor chain.

[0041] Further, in the above technical solution, each guide wheel of the guide wheel set 11 is mounted on an independent bearing seat, the bearing seat is fixed on the guide frame through bolts, the guide frame is connected with the ship body for independent rotation of each guide wheel to adapt to the movement of the anchor chain and improve the guiding accuracy.

[0042] Further, in the above technical solution, the inner wall of the guide groove 12 is lined with a wear-resistant rubber layer for reducing the friction between the anchor chain and the guide groove 12 and prolonging the service life of the guide groove 12.

[0043] Further, in the above technical solution, the chain wheel 23 adopts multi-stage gear transmission for realizing greater winding and unwinding torque and finer control; the multi-stage gears are connected through bearings and installed in a closed gear box filled with lubricating oil.

[0044] Further, in the above technical solution, the locking block 33 is provided with anti-skid textures on the surface for increasing the friction with the anchor chain and improving the locking reliability.

[0045] Further, in the above technical solution, the width of the V-shaped guide wheel set 11 is 1.2 to 1.5 times the diameter of the anchor chain for ensuring that the anchor chain can freely enter and exit the guide wheel set 11 without being stuck and at the same time not shaking in the guide wheel set 11 to cause instability.

[0046] Further, in the above technical solution, the outer edge of the guide wheel is provided with a plurality of weight-reducing holes for reducing the overall weight and rotational inertia.

[0047] Further, in the above technical solution, the weight-reducing holes are circular and extend along the radial direction of the guide wheel, the number is 8 to 12 and they are uniformly distributed in the circumferential direction of the guide wheel for reducing the weight while maintaining the structural strength of the guide wheel to ensure the dynamic balance of the guide wheel.

[0048] Specifically, the principle of the utility model is that in use, the device is installed on the deck of the ship at a suitable position, the anchor chain is stored in the anchor chain cabin 24, sequentially passes through the chain wheel 23, the guide wheel set 11 and the reducer 22 and the locking block 33 to complete the installation of the anchor chain and ensure the engagement and connection of the anchor chain with the chain wheel 23 and the guide wheel set 11; when the anchor chain needs to be temporarily locked, the operator drives the locking block 33 to move inward, so that the abutting surface of the locking block 33 is frictionally connected with the anchor chain to form locking; when the locking needs to be released, the operator drives the locking block 33 to move outward to restore the free movement of the anchor chain.

Claims

1. An anchor chain handling aid, characterised in that, The application relates to a chain guiding assembly (10), a main driving and releasing assembly (20) and an adaptive locking assembly (30), wherein the chain guiding assembly (10) comprises a guiding wheel group (11), a guiding groove (12) and a guiding plate (13), the guiding wheel group (11) is arranged in a V shape and is engaged with a chain, and is used for limiting the transverse movement of the chain; the guiding groove (12) is arranged below the guiding wheel group (11) and is in an arc shape, and is used for guiding the chain to move along a predetermined track; the guiding plate (13) is arranged on both sides of the guiding groove (12) and is in a plate shape, and is used for preventing the chain from jumping out of the guiding groove; the main driving and releasing assembly (20) is arranged on one side of the chain guiding assembly (10), is wound with the chain, and is used for realizing the driving and releasing of the chain; and the adaptive locking assembly (30) is arranged on the side, away from the main driving and releasing assembly (20), of the chain guiding assembly (10), and is used for realizing the locking of the chain.

2. An anchor line deployment aid according to claim 1, characterised in that, The main driving and releasing assembly (20) comprises a hydraulic motor (21), a speed reducer (22), a chain wheel (23) and a chain cabin (24), the output shaft of the hydraulic motor (21) is connected with the central shaft of the chain wheel (23) through the speed reducer (22), the chain wheel (23) is engaged with the chain, and is used for realizing the driving and releasing of the chain; and the chain cabin (24) is arranged on the side, away from the chain guiding assembly (10), of the chain wheel (23), and is used for storing the chain.

3. An anchor line deployment aid according to claim 2, characterised in that, The adaptive locking assembly (30) comprises a hydraulic cylinder (31), a pressure sensor (32) and a locking block (33), the locking block (33) is engaged with the chain, the hydraulic cylinder (31) is arranged on one side of the locking block (33), and is used for driving the locking block (33) to realize the locking of the chain; and the pressure sensor (32) is arranged on the side, where the locking block (33) is engaged with the chain, of the locking block (33), and is used for monitoring the chain tension.

4. An anchor line deployment aid according to claim 3, characterised in that, Each guiding wheel of the guiding wheel group (11) is mounted on an independent bearing seat, the bearing seat is fixed on a guiding frame through bolts, the guiding frame is connected with a ship body, and each guiding wheel is independently rotated, so that the movement of the chain is adapted, and the guiding precision is improved.

5. An anchor line deployment aid according to claim 4, wherein, The inner wall of the guiding groove (12) is lined with a wear-resistant rubber layer, so that the friction between the chain and the guiding groove (12) is reduced, and the service life of the guiding groove (12) is prolonged.

6. An anchor line deployment aid according to claim 5, wherein, The chain wheel (23) adopts multi-stage gear transmission, so that greater driving and releasing torque and more delicate control are realized; the multi-stage gears are connected through bearings and are mounted in a closed gear box, and the gear box is filled with lubricating oil.

7. An anchor line deployment aid according to claim 6, wherein, The surface of the locking block (33) is provided with anti-skid textures, so that the friction between the locking block (33) and the chain is increased, and the locking reliability is improved.

8. An anchor line deployment aid according to claim 7, characterised in that, The width of the V-shaped guiding wheel group (11) is 1.2 to 1.5 times the diameter of the chain, so that the chain can freely enter and exit the guiding wheel group (11) without being stuck, and the chain does not sway in the guiding wheel group (11) to cause instability.

9. An anchor line deployment aid according to claim 8, characterised in that, The outer edge of the guiding wheel is provided with a plurality of lightening holes, so that the overall weight and rotational inertia are reduced.

10. An anchor line deployment aid according to claim 9, characterised in that, The weight-reducing holes are circular and extend in the radial direction of the guide wheel, the number is 8-12 and evenly distributed in the circumferential direction of the guide wheel, which can reduce the weight while maintaining the structural strength of the guide wheel, and ensure the dynamic balance of the guide wheel.