阅读说明：本技术 一种自收放缓冲式船舶系泊装置 (Self-retracting buffer type ship mooring device ) 是由 战君 于 2021-10-26 设计创作，主要内容包括：本发明公开了一种自收放缓冲式船舶系泊装置,属于船舶系泊装置领域,当缆绳受到船舶漂移所带来的过大拉力时,可自动带动绕线筒和弹性转轴同步转动,顺利呈放线状态,适应船舶的漂移,有效减小了其受到的拉力作用,实现自身缓冲,与此同时动夹板实现转动,在缆绳放线缓冲至一定程度后,弧形夹板会逐渐与缆绳形成挤压状态,随着放线长度增大,弧形夹板对缆绳的挤压程度同步增加,有效抵抗缆绳的放线过程,使得缆绳在放线一定程度后可以自动缓慢停止,并且,在失去外界作用力后,在弹性转轴的自动复位下,带动绕线筒进行回转,对缆绳实现自动收线,使松弛的缆绳再次缠绕在绕线筒上,便于实现自身的再次放线缓冲保护。(The invention discloses a self-retracting buffer type ship mooring device, belonging to the field of ship mooring devices, when a cable rope is subjected to excessive tension caused by ship drift, a winding drum and an elastic rotating shaft can be automatically driven to synchronously rotate to smoothly take a paying-off state, the self-buffering is realized by adapting to the drift of a ship, the tension effect on the cable rope is effectively reduced, the self-buffering is realized, meanwhile, a movable clamping plate realizes rotation, after the cable rope is paid-off and buffered to a certain degree, an arc-shaped clamping plate can gradually form an extrusion state with the cable rope, the extrusion degree of the cable rope by the arc-shaped clamping plate is synchronously increased along with the increase of the paying-off length, the paying-off process of the cable rope is effectively resisted, the cable rope can be automatically and slowly stopped after the cable rope is paid-off to a certain degree, and after external acting force is lost, the winding drum is driven to rotate under the automatic reset of the elastic rotating shaft, the cable rope is automatically taken up, and the loosened cable rope is wound on the winding drum again, the paying-off buffer protection of the cable is convenient to realize.)

1. The utility model provides a from receive and release buffering formula boats and ships mooring device, includes bottom plate (1) of fixed connection on boats and ships, the equal fixedly connected with curb plate (2) in both ends of bottom plate (1), it is a pair of be equipped with bobbin (3) that are used for winding hawser between curb plate (2), its characterized in that: an elastic rotating shaft (4) is mounted on one side plate (2), the bobbin (3) is sleeved on the outer side of the elastic rotating shaft (4), a main rotating rod (5) and a fixed disc (12) are fixedly connected to the outer end of the elastic rotating shaft (4), the bobbin (3) is located between the fixed disc (12) and the main rotating rod (5), the fixed disc (12) is clamped with the bobbin (3), a main gear (6) is fixedly connected to the outer end of the main rotating rod (5), an auxiliary rotating rod (91) and a transition fixed rod (92) are arranged on one side of the bobbin (3), the transition fixed rod (92) is located on the upper side of the auxiliary rotating rod (91), an auxiliary gear (11) is fixedly connected to the outer end of the auxiliary rotating rod (91), and the auxiliary gear (11) is meshed with the main gear (6);

the upside of bobbin (3) is equipped with decides splint (7) and moves splint (8), it is located and decides between splint (7) and the transition pole (92) to move splint (8), a plurality of evenly distributed's of outer end fixedly connected with arm-tie rope (10) of vice bull stick (91), the upside of pole (92) is decided in the transition and with the lower extreme fixed connection who moves splint (8) is walked around to the one end that vice bull stick (91) was kept away from in arm-tie rope (10), arm-tie rope (10) sliding connection is in the outside of pole (92) is decided in the transition.

2. A self-retracting mooring device for a buff vessel according to claim 1, wherein: the transition fixed rod (92) is fixedly connected between the pair of side plates (2), and two ends of the auxiliary rotating rod (91) are respectively inserted into the pair of side plates (2) and are rotatably connected with the side plates.

3. A self-retracting mooring device for a buff vessel according to claim 1, wherein: move splint (8) and include connecting rod (81), the both ends of connecting rod (81) rotate respectively and connect in the inside of a pair of curb plate (2), the outer end fixedly connected with of connecting rod (81) a pair of mutual symmetry's arc splint (82).

4. A self-retracting mooring device for a buff vessel according to claim 3, wherein: the arc-shaped clamping plate (82) comprises an arc sheet (8201) and an auxiliary rubber layer (8202), wherein the auxiliary rubber layer (8202) is positioned on one side close to the fixed clamping plate (7).

5. A self-retracting mooring device for a buff vessel according to claim 4, wherein: the fixed clamping plate (7) is fixedly connected between the pair of side plates (2), the fixed clamping plate (7) comprises a vertical plate (71) and a main rubber layer (72), and the main rubber layer (72) is located on one side close to the movable clamping plate (8).

6. A self-retracting mooring device for a buff vessel according to claim 5, wherein: the inner part of the vertical plate (71) is fixedly connected with a main magnetic sheet (73), the outer end of an arc sheet (8201) positioned on the lower side of the connecting rod (81) is fixedly connected with an auxiliary magnetic sheet (83), and one end, close to the main magnetic sheet (73), of the auxiliary magnetic sheet (83) is heteropolar.

7. A self-retracting mooring device for a buff vessel according to claim 4, wherein: the end part of the pulling plate rope (10) is fixedly connected with an arc piece (8201) at the lower side of the connecting rod (81), and the connecting position of the pulling plate rope (10) and the arc piece (8201) is lower than the lowest end of the transition fixed rod (92).

8. A self-retracting mooring device for a buff vessel according to claim 1, wherein: one end of the elastic rotating shaft (4) close to the fixed disc (12) is fixedly connected with a plurality of clamping blocks (13) which are uniformly distributed, one end of the fixed disc (12) close to the elastic rotating shaft (4) is provided with a plurality of clamping grooves (1201), and the clamping blocks (13) are connected with the clamping grooves (1201) in a clamping mode.

9. A self-retracting mooring device for a buff vessel according to claim 1, wherein: one end of the cable is fixedly connected with the outer end of the bobbin (3), and the other end of the cable penetrates through the space between the fixed clamping plate (7) and the movable clamping plate (8) from bottom to top and extends outwards.

10. A self-retracting mooring device for a buff vessel according to claim 1, wherein: the number of teeth of the auxiliary gear (11) is 2-3 times that of the main gear (6), and the diameter of the outer ring of the bobbin (3) is 10-30 times that of the outer ring of the auxiliary rotating rod (91).

Technical Field

The invention relates to the field of ship mooring devices, in particular to a self-retracting buffer type ship mooring device.

Background

The ship is a vehicle for transporting goods or people to sail on the water surface, and comprises a ship body and a fixing rod, the ship is different in use, for example, the ship is used for military affairs, transportation, rescue and the like, has a good transportation effect, is low in energy consumption, convenient to use and strong in load carrying capacity, and is widely applied to various fields.

When a ship arrives at a wharf or a port, the ship needs to be moored, mooring by a mooring cable is a main mooring mode of the ship, the mooring by the mooring cable is characterized in that the ship is safely and firmly tied to the shore by using a mooring cable, and the other end of the mooring cable is connected with a mooring bollard on the ship.

However, in actual conditions, due to various external factors (such as influence of wind, wave and flow, a plurality of complex motion states such as transverse movement of the ship body and the like can occur), the movement of the ship body can cause certain pulling on the cable, the cable is easily straightened and even excessively pulled, the cable is damaged, and the cable is cracked and broken in severe cases.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a self-retracting buffer type ship mooring device, which can automatically drive a winding drum and an elastic rotating shaft to synchronously rotate when a cable is subjected to overlarge tension, smoothly presents a paying-off state, adapts to the drift of a ship, effectively reduces the tension effect on the cable, realizes self-buffering, simultaneously drives a clamping plate to rotate, after the cable is paid-off and buffered to a certain degree, an arc-shaped clamping plate can gradually form a squeezing state with the cable, the squeezing degree of the arc-shaped clamping plate to the cable is synchronously increased along with the increase of the paying-off length, effectively resists the paying-off process of the cable, enables the cable to automatically and slowly stop after the cable is paid-off to a certain degree, and drives the winding drum to rotate under the automatic reset of the elastic rotating shaft after the external acting force is lost, so as to automatically take-up the cable, and enable the loosened cable to be wound on the winding drum again, the paying-off buffer protection of the cable is convenient to realize.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A self-retracting buffer type ship mooring device comprises a bottom plate fixedly connected to a ship, two ends of the bottom plate are fixedly connected with side plates, a bobbin used for winding a mooring rope is arranged between a pair of side plates, an elastic rotating shaft is mounted on one side plate and sleeved outside the elastic rotating shaft, a main rotating rod and a fixed disk are further fixedly connected to the outer end of the elastic rotating shaft, the bobbin is located between the fixed disk and the main rotating rod and clamped with the bobbin, a main gear is fixedly connected to the outer end of the main rotating rod, an auxiliary rotating rod and a transition fixed rod are arranged on one side of the bobbin and located on the upper side of the auxiliary rotating rod, an auxiliary gear is fixedly connected to the outer end of the auxiliary rotating rod and meshed with the main gear;

the upside of bobbin is equipped with decides splint and moves splint, it is located decides between the pole to move splint and the transition, a plurality of evenly distributed's of outer end fixedly connected with arm-tie rope of vice bull stick, the one end that vice bull stick was kept away from to the arm-tie rope is walked around the upside of transition pole and is moved the lower extreme fixed connection of splint, arm-tie rope sliding connection decides the outside of pole in the transition.

Furthermore, the transition fixed rod is fixedly connected between the pair of side plates, and two ends of the auxiliary rotating rod are respectively inserted into the pair of side plates and are rotatably connected with the side plates.

Further, move the splint and include the connecting rod, the both ends of connecting rod rotate respectively and connect in the inside of a pair of curb plate, the outer end fixedly connected with of connecting rod is a pair of mutual symmetry's arc splint.

Further, the arc-shaped clamping plate comprises an arc sheet and an auxiliary rubber layer, and the auxiliary rubber layer is positioned on one side close to the fixed clamping plate.

Furthermore, decide the splint fixed connection between a pair of curb plate, decide the splint and include riser and main rubber layer, main rubber layer is located the one side that is close to the movable clamp plate.

Furthermore, the inside fixedly connected with main magnetic sheet of riser, the outer end fixedly connected with vice magnetic sheet of arc piece that is located the connecting rod downside, the one end that vice magnetic sheet and main magnetic sheet are close to each other is the heteropole.

Furthermore, the end part of the pulling plate rope is fixedly connected with the arc piece on the lower side of the connecting rod, and the connecting position of the pulling plate rope and the arc piece is lower than the lowest end of the transition fixed rod.

Furthermore, a plurality of evenly distributed fixture blocks are fixedly connected to one end, close to the fixed disc, of the elastic rotating shaft, a plurality of clamping grooves are formed in one end, close to the elastic rotating shaft, of the fixed disc, and the fixture blocks are connected with the clamping grooves in a clamped mode.

Furthermore, one end of the mooring rope is fixedly connected with the outer end of the winding drum, and the other end of the mooring rope penetrates through the space between the fixed clamping plate and the movable clamping plate from bottom to top and extends outwards.

Furthermore, the number of teeth of the auxiliary gear is 2-3 times that of the main gear, and the diameter of the outer ring of the winding drum is 10-30 times that of the outer ring of the auxiliary rotating rod.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme can drive bobbin and elasticity pivot synchronous rotation automatically when the hawser receives the too big pulling force that boats and ships drift brought, is the unwrapping wire state smoothly, adapts to the drift of boats and ships, has effectively reduced its pulling force effect that receives, realizes self buffering.

(2) When the hawser drives bobbin and elasticity pivot synchronous rotation, the elasticity pivot drives main bull stick and master gear and rotates, cooperation through master gear and pinion, the rotation of vice bull stick has been realized, the arm-tie rope is at vice bull stick surface winding gradually, under the pulling force of arm-tie rope, it takes place to rotate to move splint, the smooth unwrapping wire of hawser of being convenient for is kept away from the hawser gradually to the arc splint of below, the arc splint of top is close to the hawser gradually, be convenient for realize the hawser and stop the unwrapping wire after the unwrapping wire certain degree.

(3) After hawser unwrapping wire to a certain degree, the arc splint of top rotate gradually to the state with the hawser contact, at this moment, when the hawser continues the unwrapping wire, under the pulling force of arm-tie rope, the arc splint of top can form the extrusion state with the hawser gradually to, along with hawser unwrapping wire length increase, the arc splint increases in step to the extrusion degree of hawser, effectively resists the unwrapping wire process of hawser, thereby makes the hawser can automatic slow stop after the certain degree of unwrapping wire, makes boats and ships be difficult for excessive drift.

(4) After the hawser loses external effort, under the automatic re-setting effect of elasticity pivot, drive the bobbin and revolve, realize the automatic effect of receiving the line to the hawser, make the hawser that relaxes because of the unwrapping wire twine on the bobbin once more, move splint and arm-tie rope and all resume to initial condition, be convenient for carry out the unwrapping wire buffer process once more, effectively realize the buffer protection to the hawser.

(5) When boats and ships need not to moor, hawser can all twine in the outer end of bobbin, is difficult for causing the hawser to scatter at will, and concrete operation is: with bobbin and fixed disk separation, rotate the bobbin afterwards, drive hawser winding in bobbin outer end, the winding is complete the back, with bobbin and fixed disk joint, is difficult for causing the random rotation of bobbin.

Drawings

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a third perspective view of the present invention;

FIG. 4 is a perspective view of the movable clamp plate of the present invention;

FIG. 5 is a schematic front view of the fixed and movable clamping plates of the present invention;

FIG. 6 is a schematic view of the front configuration of the present invention during initial mooring;

FIG. 7 is a schematic diagram of the front structure of the present invention during the buffering of the wire releasing;

FIG. 8 is a schematic view of the front structure of the present invention when stopping the pay-off;

FIG. 9 is a schematic view of the front structure of the present invention during automatic winding;

fig. 10 is a schematic side view of the present invention.

The reference numbers in the figures illustrate:

the device comprises a base plate 1, side plates 2, a bobbin 3, an elastic rotating shaft 4, a main rotating rod 5, a main gear 6, a fixed clamping plate 7, a vertical plate 71, a main rubber layer 72, a main magnetic sheet 73, a movable clamping plate 8, a connecting rod 81, an arc-shaped clamping plate 82, an arc-shaped clamping plate 8201, an auxiliary rubber layer 8202, an auxiliary magnetic sheet 83, an auxiliary rotating rod 91, a transition fixed rod 92, a pulling rope 10, an auxiliary gear 11, a fixed disc 12, a clamping groove 1201 and a clamping block 13.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1 and 2, a self-retracting buffer type ship mooring device includes a base plate 1 fixedly connected to a ship, both ends of the base plate 1 are fixedly connected with side plates 2, a bobbin 3 for winding a cable is disposed between a pair of side plates 2, one of the side plates 2 is mounted with an elastic rotating shaft 4, the bobbin 3 is sleeved outside the elastic rotating shaft 4, referring to fig. 2 and 3, an outer end of the elastic rotating shaft 4 is further fixedly connected with a main rotating rod 5 and a fixed disc 12, the bobbin 3 is disposed between the fixed disc 12 and the main rotating rod 5, the fixed disc 12 is clamped with the bobbin 3, when the bobbin 3 is clamped with the fixed disc 12, the bobbin 3 and the elastic rotating shaft 4 can synchronously rotate, when the bobbin 3 is not connected with the fixed disc 12, the bobbin 3 can freely rotate outside the elastic rotating shaft 4, an outer end of the main rotating rod 5 is fixedly connected with a main gear 6, when the elastic rotating shaft 4 rotates under an external force, the main gear 6 is driven to rotate synchronously.

Referring to fig. 1, one side of the bobbin 3 is provided with an auxiliary rotating rod 91 and a transition fixed rod 92, the transition fixed rod 92 is located on the upper side of the auxiliary rotating rod 91, the transition fixed rod 92 is fixedly connected between the pair of side plates 2, two ends of the auxiliary rotating rod 91 are respectively inserted into the pair of side plates 2 and rotatably connected therewith, an auxiliary gear 11 is fixedly connected to the outer end of the auxiliary rotating rod 91, the auxiliary gear 11 is engaged with the main gear 6, a fixed clamp plate 7 and a movable clamp plate 8 are arranged on the upper side of the bobbin 3, the movable clamp plate 8 is located between the fixed clamp plate 7 and the transition fixed rod 92, a plurality of uniformly distributed pulling plate ropes 10 are fixedly connected to the outer end of the auxiliary rotating rod 91, one end of the pulling plate rope 10 far from the auxiliary rotating rod 91 bypasses the upper side of the transition fixed rod 92 and is fixedly connected with the lower end of the movable clamp plate 8, and the pulling plate rope 10 is slidably connected to the outer side of the transition fixed rod 92.

Through the cooperation of main gear 6 and pinion 11, make the rotation of main gear 6 can drive vice bull stick 91 and rotate, guide arm-tie rope 10 twines in the outer end of vice bull stick 91, and the other end of arm-tie rope 10 produces the pulling force to moving splint 8, impels moving splint 8 to rotate, realizes the unwrapping wire buffering of hawser in proper order, stops unwrapping wire and receives the line process automatically.

Referring to fig. 4 and 5, the movable clamp plate 8 includes a connecting rod 81, two ends of the connecting rod 81 are respectively rotatably connected to the insides of the pair of side plates 2, the outer end of the connecting rod 81 is fixedly connected with a pair of arc clamp plates 82 which are symmetrical to each other, the arc clamp plates 82 include arc sheets 8201 and auxiliary rubber layers 8202, the auxiliary rubber layers 8202 are located at one side close to the fixed clamp plate 7, the fixed clamp plate 7 is fixedly connected between the pair of side plates 2, the fixed clamp plate 7 includes a vertical plate 71 and a main rubber layer 72, the main rubber layer 72 is located at one side close to the movable clamp plate 8, the inside of the vertical plate 71 is fixedly connected with a main magnetic sheet 73, the outer end of the arc sheet 8201 located at the lower side of the connecting rod 81 is fixedly connected with an auxiliary magnetic sheet 83, and the end of the auxiliary magnetic sheet 83 close to the main magnetic sheet 73 is heteropolar.

Referring to fig. 6, the end of the pulling rope 10 is fixedly connected to the arc 8201 at the lower side of the connecting rod 81, the connecting position of the pulling rope 10 and the arc 8201 is lower than the lowest end of the transition fixed rod 92, one end of the cable is fixedly connected to the outer end of the bobbin 3, and the other end of the cable penetrates from bottom to top between the fixed clamping plate 7 and the movable clamping plate 8 and extends outward.

When in mooring: one end of the cable far away from the winding drum 3 is connected with the shore mooring bollard, then the winding drum 3 is clamped with the fixed disc 12, as shown in fig. 6, under the action of the magnetic attraction of the auxiliary magnetic sheet 83 and the main magnetic sheet 73, the arc-shaped clamping plate 82 at the lower side of the connecting rod 81 and the fixed clamping plate 7 are close to each other, the cable is clamped, the pulling plate rope 10 is in a normal straightening state, and the elastic rotating shaft 4 is in an initial non-rotating state.

Please refer to fig. 7: when the ship moves under the influence of wind, wave and current, the ship can generate pulling force on the mooring rope, as shown in fig. 7, when the mooring rope is pulled too much and is larger than the rotation resistance of the elastic rotating shaft 4, the mooring rope can drive the winding reel 3 and the elastic rotating shaft 4 to synchronously rotate, the mooring rope is smoothly in a paying-off state, the drifting of the ship is adapted, the pulling force effect on the mooring rope is effectively reduced, and the buffering process of the mooring rope is realized;

meanwhile, the elastic rotating shaft 4 drives the main rotating rod 5 and the main gear 6 to rotate, the main gear 6 is matched with the auxiliary gear 11, the rotation of the auxiliary rotating rod 91 is realized, the pulling plate rope 10 is gradually wound on the surface of the auxiliary rotating rod 91, the movable clamp plate 8 rotates under the pulling force of the pulling plate rope 10, the lower arc-shaped clamp plate 82 is gradually far away from the mooring rope, the smooth paying-off of the mooring rope is facilitated, and the upper arc-shaped clamp plate 82 is gradually close to the mooring rope;

please refer to fig. 8: after the mooring rope is paid off to a certain degree, the upper arc-shaped clamping plate 82 gradually rotates to a state of contacting with the mooring rope, at the moment, when the mooring rope is paid off continuously, under the pulling force of the pulling plate rope 10, the upper arc-shaped clamping plate 82 can gradually form an extrusion state with the mooring rope, and along with the increase of the paying-off length of the mooring rope, the extrusion degree of the arc-shaped clamping plate 82 to the mooring rope is synchronously increased, the paying-off process of the mooring rope is effectively resisted, so that the mooring rope can be automatically and slowly stopped after being paid off to a certain degree, and the ship is not easy to excessively drift;

please refer to fig. 9: after the effect of wind and wave, the hawser loses the pulling force effect, under the automatic re-setting effect of elasticity pivot 4, drives bobbin 3 and turns around, realizes the automatic line effect of receiving to the hawser, makes the hawser that relaxes because of the unwrapping wire twine on bobbin 3 once more, moves splint 8 and arm-tie rope 10 and all resumes to initial condition, is convenient for carry out the unwrapping wire buffer process once more, effectively realizes the buffer protection to the hawser.

The number of teeth of the pinion 11 is 2-3 times of the number of teeth of the main gear 6, the diameter of the outer ring of the winding drum 3 is 10-30 times of the diameter of the outer ring of the auxiliary rotating rod 91, when a cable on the winding drum 3 is paid off for a circle, the pinion 11 rotates for a circle of three to a half circle, and then the size difference of the winding drum 3 and the pinion 11 is combined, so that the paying off length and the taking up length of the cable and the pull plate rope 10 are greatly different, the maximum degree is attached to the actual situation, after the cable is paid off to a certain degree, the taking up length of the pull plate rope 10 on the auxiliary rotating rod 91 can enable the arc-shaped clamping plate 82 and the cable to form extrusion, and the paying off is stopped.

Referring to fig. 3 and 10, one end of the elastic rotating shaft 4 close to the fixed plate 12 is fixedly connected with a plurality of clamping blocks 13 which are uniformly distributed, one end of the fixed plate 12 close to the elastic rotating shaft 4 is provided with a plurality of clamping grooves 1201, the clamping blocks 13 are clamped with the clamping grooves 1201, when the ship does not need to be moored, the mooring rope can be completely wound at the outer end of the winding drum 3, the mooring rope is not easy to fall off randomly, and the specific operation is as follows: with bobbin 3 and the separation of price fixing 12, rotate bobbin 3 afterwards, drive hawser winding in 3 outer ends of bobbin, the winding is complete the back, with bobbin 3 and the joint of price fixing 12, is difficult for causing the random rotation of bobbin 3.

When the mooring rope is subjected to excessive tension caused by ship drift, the invention can automatically drive the winding reel 3 and the elastic rotating shaft 4 to synchronously rotate, smoothly take a paying-off state, adapt to the drift of a ship, effectively reduce the tension effect on the mooring rope, realize self buffering, simultaneously drive the clamping plate 8 to rotate, after the cable is buffered to a certain degree during paying off, the arc-shaped clamping plates 82 can gradually form a squeezing state with the cable, along with the increase of the paying off length, the squeezing degree of the cable by the arc-shaped clamping plates 82 is synchronously increased, the paying off process of the cable is effectively resisted, the cable can be automatically and slowly stopped after being paid off to a certain degree, in addition, after the external acting force is lost, the bobbin 3 is driven to rotate under the automatic reset of the elastic rotating shaft 4, automatic take-up of the mooring rope is realized, so that the loosened mooring rope is wound on the winding drum 3 again, and the self secondary paying-off buffer protection is realized conveniently.

The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.