CN114875855B - Automatic harbor berthing device - Google Patents

Abstract

The invention relates to the technical field of ship berthing devices, in particular to an automatic port berthing device. The specific technical scheme is as follows: the utility model provides an automatic device of berthing at harbour, includes the pier, one side of pier is provided with carries out spacing stop gear to the ship, stop gear is including the gag lever post that is parallel to each other, two be provided with anticollision piece on the corresponding lateral wall of gag lever post, the bottom of gag lever post is provided with support piece and drive two gag lever post is to/reverse motion's driving piece. The ship shaking device solves the problem of shaking of ships in the prior art.

Description

Automatic harbor berthing device

Technical Field

The invention relates to the technical field of ship berthing devices, in particular to an automatic port berthing device.

Background

The berthing means that a ship berths at a wharf or a port, the current ship berthing system mainly adopts a direct berthing mode, a cable is used for tying the ship to a wharf mooring post, and then the aim of reducing the movement of the ship is achieved. Meanwhile, in order to avoid collision between the ship and the wharf, a plurality of scrapped tires or rubber objects are usually fixed on the side wall of the wharf in a stopping and landing way continuously or at intervals to serve as an anti-collision damping device, so that the ship can be protected to a certain extent. However, the docking method may cause collision between the ships, and the stability of the ship directly fixed by the cable is not good, and the ship may rock along with the ship and even collide with the ship of the accessories in case of water current fluctuation or wind.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an automatic harbor berthing device, which solves the problem of ship shaking in the prior art.

In order to realize the purpose, the invention is realized by the following technical scheme:

the invention discloses an automatic port berthing device which comprises a wharf, wherein one side of the wharf is provided with a limiting mechanism for limiting ships, the limiting mechanism comprises limiting rods which are parallel to each other, anti-collision pieces are arranged on the corresponding side walls of the two limiting rods, and the bottoms of the limiting rods are provided with supporting pieces and driving pieces for driving the two limiting rods to move in the opposite direction or the reverse direction.

Preferably, support piece includes supporting platform, supporting platform's bottom is provided with the several stand, the through-hole has been seted up on the supporting platform, the bottom of gag lever post is connected with the fixed plate through the several connecting rod, the fixed plate is arranged in on the supporting platform, the bottom embedding of fixed plate is provided with the rack that sets up along the direction of motion of gag lever post, the rack corresponds with the through-hole, the driving piece sets up the below at supporting platform.

Preferably, the driving piece includes and rotates the pivot that sets up in the supporting platform bottom along supporting platform length direction, the cover is established in the pivot and is fixed with the gear, the gear corresponds with the through-hole and with rack toothing, the other end of pivot passes through the drive of power spare.

Preferably, a pit is vertically formed in the wharf, one end of each of the two rotating shafts extends into the pit and is fixedly sleeved with a driven gear, a driving shaft is fixedly arranged in the pit through a bearing seat, worm teeth which are respectively meshed with the driven gears are arranged on the driving shaft, the rotation directions of the worm teeth which are meshed with the two driven gears are opposite, and the driving shaft is driven by the power part.

Preferably, the limiting rod is provided with a pulley towards one end of the side wall of the wharf, and the pulley is in contact with the side wall of the wharf.

Preferably, two between the gag lever post be provided with on the lateral wall of pier and carry out the mounting fixed to the ship, the mounting includes the base and sets up the solid fixed cylinder at the base other end, gu fixed cylinder is provided with the guiding hole towards on the lateral wall of gag lever post, along its length direction symmetry, gu the fixed cylinder other end articulates respectively has the clamping jaw that sets up towards the gag lever post, the articulated department cover of clamping jaw and solid fixed cylinder is equipped with the torsional spring, be provided with the linkage that the drive clamping jaw opened and shut in the solid fixed cylinder.

Preferably, the linkage part comprises a power rod arranged in the fixed cylinder, and one end of the power rod extends out of the end provided with the clamping jaw and is fixed with a base plate; be located in the solid fixed cylinder be provided with on the power rod and keep off the ring, keep off the ring and go up the symmetry and be provided with the extensible member that stretches out outside the guiding hole respectively, on the lateral wall of solid fixed cylinder, be located the top of guiding hole is rotated and is provided with the connecting rod, the one end of connecting rod and the outer wall contact of clamping jaw, the bottom surface contact of extensible member and connecting rod, be provided with the electro-magnet that carries out the fixing to the power rod in the base, the cover is equipped with the spring on the power rod.

Preferably, a positioning cylinder with an open end is arranged in the fixed cylinder, the open end of the positioning cylinder faces the clamping jaw, one end of the power rod extends into the positioning cylinder, and a hole for the power rod to penetrate through is formed in the other end of the positioning cylinder.

Preferably, the connecting rods are rotatably connected through brackets in a shape like' 20866, the shortest height of the telescopic parts after compression is smaller than that of the brackets, and a balancing weight is arranged at one end of each connecting rod close to the base.

Preferably, the top of base transversely is provided with the diaphragm, the other end of diaphragm is provided with the telescopic expansion plate, the other end of expansion plate articulates there is the crashproof pad.

The invention has the following beneficial effects:

according to the invention, the limiting rods which are parallel to each other are arranged on the side wall of the port or the wharf to serve as ship stopping positions, the supporting platform is arranged below the limiting rods, the bottom of each limiting rod is connected with the fixing plate through the connecting rod, the bottom of each fixing plate is provided with the rack, the supporting platform is provided with the through hole corresponding to the rack, meanwhile, the rotating shaft is fixed below the supporting platform through the bearing, the bearing is sleeved with the gear which penetrates through the through hole and is meshed with the rack, the rotating shaft is driven to rotate through the power part, so that the limiting rods reciprocate along the supporting platform, the two limiting rods move in opposite or opposite directions, the distance between the two limiting rods is controlled finally, and the problem of shaking of the ship during stopping is effectively reduced.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 isbase:Sub>A view taken along line A-A of FIG. 1;

FIG. 3 is a view taken along line B-B of FIG. 2 (with only the base and stationary barrel portions broken away);

FIG. 4 is a schematic view of a connection structure of the stop lever and the fixing plate;

FIG. 5 is a schematic view of a support platform;

FIG. 6 is a schematic view showing a coupling structure of the driven gear and the driving shaft (view is in the direction A shown in FIG. 2);

FIG. 7 is a schematic view of a positioning cylinder;

FIG. 8 is a schematic view of the closed jaws;

in the figure: the wharf comprises a wharf 1, a limiting rod 2, an anti-collision piece 3, a groove 4, a supporting platform 5, an upright post 6, a through hole 7, a connecting rod 8, a fixing plate 9, a rack 10, a rotating shaft 11, a gear 12, a pit 13, a driven gear 14, a bearing seat 15, a driving shaft 16, teeth 17, a power piece 18, a pulley 19, a base 20, a fixing cylinder 21, a guide hole 22, a clamping jaw 23, a power rod 24, a backing plate 25, a baffle ring 26, an expansion piece 27, a connecting rod 28, an electromagnet 29, a spring 30, a positioning cylinder 31, a support 32, a balancing weight 33, a transverse plate 34, an expansion plate 35, an anti-collision pad 36, a guide groove 37, a sliding groove 38 and a notch 39.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Unless otherwise indicated, the technical means used in the examples are conventional means well known to those skilled in the art.

Referring to fig. 1-8, the invention discloses an automatic port berthing device, which comprises a wharf 1, wherein a limiting mechanism for limiting ships is arranged on one side of the wharf 1, and the number of the limiting mechanisms is set according to the length of the wharf. Stop gear includes gag lever post 2 that is parallel to each other, is the position of stopping a ship promptly between two gag lever posts, and gag lever post 2 sets up with the lateral wall of pier 1 is perpendicular, and the length of gag lever post 2 sets up according to actual conditions can. The two limiting rods 2 are used for parking ships. The ship mooring device disclosed by the invention is particularly suitable for small ships and sightseeing ships in scenic spots. If the distance between the water surface and the wharf top surface is too short, the ship edge is higher than the wharf top surface, and the fixing piece can be arranged on the shore through the base platform. The side walls corresponding to the two limiting rods 2 are provided with anti-collision pieces 3, and the bottom of the limiting rods 2 is provided with a support piece and a driving piece for driving the two limiting rods 2 to move in the opposite direction. It should be noted that: the bumper 3 includes but is not limited to rubber, air bag, rubber with spring inside or air bag. The limiting rod is mainly used for reducing the impact on the ship body and avoiding the damage to the ship body caused by the direct collision of the limiting rod 2 and the ship body.

Specifically, the method comprises the following steps: the supporting piece comprises a supporting platform 5, a plurality of stand columns 6 are arranged at the bottom of the supporting platform 5, the bottom ends of the stand columns 6 are pointed ends, and the supporting piece is mainly used for being inserted into an underwater riverbed to fix the supporting platform. The supporting platform 5 is provided with a through hole 7, and the through hole 7 is arranged on the supporting platform 5 along the length direction thereof and close to the center line thereof. The bottom of gag lever post 2 is connected with fixed plate 9 through several connecting rod 8, and on supporting platform 5 was arranged in to fixed plate 9, the bottom embedding of fixed plate 9 was provided with the rack 10 that sets up along the direction of motion of gag lever post 2, and rack 10 corresponds with through-hole 7, and the driving piece setting is in supporting platform 5's below. It should be noted that: a guide groove 37 is formed in the bottom surface of the fixing plate 9 along the width direction (i.e., the movement direction of the limiting rod 2), the rack 10 is arranged in the guide groove 37, and the height of the rack 10 is less than or equal to the height of the guide groove 37, so that the rack is prevented from extending out of the plate surface of the fixing plate, and the fixing plate 9 cannot slide on the supporting platform 5. The width of the fixing plate 9 is equal to or greater than the length of the rack 10, and the length of the rack 10 determines the width which can be expanded between the two stop levers 2.

The initial state of supporting platform 5 and fixed plate 9 is as shown in fig. 1, and supporting platform is as shown in fig. 5, and when the fixed plate was arranged in on the supporting platform, the through-hole just corresponded with the one end that is close to the rack on the fixed plate, made the gear mesh with the one end that is close to the rack to guarantee the maximum distance that the gag lever post can remove.

Furthermore, in order to increase the stability of the fixed plate moving on the supporting platform, a groove 4 is arranged on the top surface of the supporting platform 5, so that the fixed plate moves in the groove, and limiting grooves communicated with the groove 4 are arranged on two sides of the groove in the width direction. The fixed plate 9 is arranged in the groove, and the two ends of the fixed plate 9 in the width direction extend into the limiting grooves, so that the fixed plate is prevented from being separated from the supporting platform, and the stability of the fixed plate and the limiting rod is improved. Generally, the supporting member is located under the water surface, and the limiting rod is located above the water surface, or is close to the water surface, or is located under the water surface.

Further, in order to enhance the stability of the movement of the stop lever, a pulley 19 is disposed at one end of the stop lever 2 facing the side wall of the wharf 1, and the pulley 19 is in contact with the side wall of the wharf 1. In a preferred embodiment, a sliding groove 38 is formed on the side wall of the wharf 1 along the length direction thereof, and the pulley 19 is disposed in the sliding groove 38 and moves along the sliding groove when the stopper rod moves.

Further, the driving piece includes that 5 length direction along supporting platform rotate the pivot 11 that sets up in 5 bottoms of supporting platform, pivot 11 sets up along 5 length direction of supporting platform, pivot 11 passes through the bearing to be fixed in 5 bottom surfaces of supporting platform, the quantity and the position of bearing set up according to the length and the actual conditions of pivot can, in this embodiment, be close to 11 one ends of pivot and be located the position between two gears 12 and all be provided with the bearing to increase 11 stability when rotating of pivot. A gear 12 is fixedly sleeved on the rotating shaft 11, the gear 12 corresponds to the through hole 7 and is meshed with the rack 10, and the other end of the rotating shaft 11 is driven by a power part 18. The power member 18 includes, but is not limited to, an electric motor. In the present invention, two guide grooves 37 are provided in parallel to each other and are provided in the width direction of the support platform 5. And two gears 12 are arranged on the rotating shaft 11 and are respectively meshed with the racks.

Further, a pit 13 is vertically formed in the wharf 1, and a cover plate is arranged at the top of the pit 13. One end of each of the two rotating shafts 11 extends into the pit 13 and is fixedly sleeved with a driven gear 14, the two driven gears 14 are located on the same straight line, a driving shaft 16 is fixed in the pit 13 through a bearing seat 15, worm teeth 17 meshed with the driven gears 14 are arranged on the driving shaft 16, the rotating directions of the worm teeth 17 meshed with the two driven gears 14 are opposite, and the driving shaft 16 is driven through a power part 18. It should be noted that: in one embodiment, the driving shaft 16 is fixed at both ends thereof to the bottom of the recess 13 and below the driven gear 14 by bearing seats 15. Two sections of worm teeth are arranged on the driving shaft 16 and are respectively meshed with the driven gear, and the rotation directions of the worm teeth at the two ends are opposite, so that the two driving rods can move towards or away from each other at the same time. And a transmission gear is sleeved and fixed at the middle position of the driving shaft 16, and a driving gear meshed with the output end of the power element 18 is arranged at the output end of the power element, so that the driving shaft is driven to rotate by the power element. Of course, the drive shaft may be driven to rotate by a belt or chain. And the fixed position of the power part is set according to the actual condition.

When a ship needs to be parked between the two limiting rods, the distance between the two limiting rods 2 needs to be adjusted according to ships with different sizes, so that the ship can be parked between the two limiting rods successfully. The wharf is provided with a controller, and the power part is electrically connected with the controller. And the controller on the wharf is connected with the controller on the ship through wifi. When the ship runs near the ship berthing device and is not berthed or is to be berthed, the controller on the ship selects the size information of the corresponding ship to be sent to the controller on the wharf, the controller on the wharf controls the power part to be started, so that the distance between the two limiting rods is enlarged or reduced, then the ship is driven to run between the two limiting rods, and the running route and the swaying range of the ship can be better limited by adjusting the distance between the two limiting rods. Of course, if there is corresponding staff on the wharf, the distance between the limiting rods can be adjusted by the staff according to the size of the ship. If the ships are all in the same size, such as sightseeing ships in parks, the distance between the two limiting rods only needs to be adjusted in advance. The distance between the two stop levers does not need to be adjusted again subsequently when the ship is parked.

Further, in order to fix the ship on the wharf, the fixing piece for fixing the ship is arranged on the side wall of the wharf 1 between the two limiting rods 2, and the fixing piece is arranged and used and needs to be vertically fixed on the side wall of the wharf, so that the fixing piece can lock the connecting column conveniently. Specifically, the method comprises the following steps: the mounting includes transversely fixes base 20 on the pier lateral wall and sets up the fixed cylinder 21 at the base 20 other end, fixed cylinder 21 is on the lateral wall of gag lever post 2, be provided with guiding hole 22 along its length direction symmetry, the fixed cylinder 21 other end articulates respectively has the clamping jaw 23 that sets up towards gag lever post 2, be provided with the linkage that drive clamping jaw 23 opened and shut in the fixed cylinder 21, the articulated department cover of clamping jaw 23 and fixed cylinder 21 is equipped with the torsional spring, thereby guarantee that the clamping jaw after the mergence is opened. It should be noted that: the two jaws 23 are arranged laterally and the attachment column on the vessel is arranged vertically, thereby facilitating the clamping of the attachment column by the two jaws 23. And the guide hole 22 and the clamping jaw 23 are arranged in the same direction and are positioned on the same straight line. The magnetic blocks can be arranged at the corresponding end parts of the two clamping jaws 23, so that the two clamping jaws can be combined and fixed better.

Furthermore, the clamping jaw is rotatably connected with the end face of the fixed cylinder through a rotating shaft, meanwhile, the structure for connecting the clamping jaw with the rotating shaft is preferably a connecting fork, a torsional spring is sleeved on the rotating shaft in the middle of the connecting fork, and when the clamping jaw is opened, the torsional spring is in a natural state; when the clamping jaws are combined, the torsion spring is in a compressed state, and when the limitation on the clamping jaws is relieved, the clamping jaws are opened under the action of the torsion spring.

Further, the linkage part comprises a power rod 24 coaxially arranged in the fixed cylinder 21, one end of the power rod 24 extends out of one end provided with the clamping jaws 23 and is fixed with a backing plate 25, and the power rod is positioned between the two clamping jaws. The backing plate 25 is preferably a rubber pad to avoid damage to the vessel when it strikes. The power rod 24 in the fixed cylinder 21 is provided with a stop ring 26, and the stop ring 26 can be annular or block-shaped. The outer side wall of the baffle ring 26 is symmetrically provided with telescopic parts 27 which respectively extend out of the guide holes 22, the telescopic parts 27 are telescopic rods, and springs are arranged in the outer sleeve, between the outer sleeve and the inner sleeve, so that the telescopic parts can be conveniently reset after being compressed.

Further, a connecting rod 28 is rotatably arranged on the side wall of the fixed cylinder 21 above the guide hole 22, the connecting rod 28 is arranged along the length direction of the fixed cylinder 21, the connecting rod 28 is rotatably connected through a bracket 32 in a shape like a Chinese character '20866', namely, the transverse part of the bracket 32 penetrates through the connecting rod 28 to be rotatably connected with the connecting rod, and a hinge point of the bracket and the connecting rod is arranged according to actual requirements. The bracket 32 is disposed across the guide hole 22, preferably at a position near the middle of the guide hole 22, and is fixed to the fixed cylinder 21 by bolts. One end of the connecting rod 28 is contacted with the highest part of the outer wall arch of the clamping jaw 23, or exceeds the highest part, the telescopic part 27 is contacted/corresponding with the bottom surface of the connecting rod 28, an electromagnet 29 for fixing the power rod 24 is arranged in the base 20, and a spring 30 is sleeved on the power rod 24. One end of the spring 30 abuts against one side of the stopper ring 26, and the other end abuts against the bottom of the joint of the fixed cylinder 21 and the base 20. It should be noted that: the compressed shortest height of the telescopic member 27 is smaller than the height of the bracket 32, so that when the power rod 24 moves towards the inside of the fixed cylinder 21, the telescopic member 27 can penetrate through the bracket 32, so that the connecting rod presses the clamping jaws downwards, and then the two clamping jaws are combined. Meanwhile, a balancing weight 33 is arranged at one end of the connecting rod 28 close to the base 20, so that the phenomenon that the connecting rod extrudes the clamping jaws under the action of self gravity to cause the opening angle of the two clamping jaws to be reduced is avoided. The base 20 is provided with a cavity communicated with the fixed cylinder, and the electromagnet is arranged in the cavity and corresponds to the power rod, so that the power rod can be in contact with the electromagnet.

Further, in order to guarantee that the power rod stretches into the stability in the fixed cylinder, coaxially be provided with one end open-ended location section of thick bamboo 31 in fixed cylinder 21, and the open end sets up towards clamping jaw 23, in a tip part of power rod 24 stretches into location section of thick bamboo 31, and spring 30 is located a location section of thick bamboo 31, and the hole that supplies power rod 24 to pass is seted up to the other end of a location section of thick bamboo 31 to make the power rod pass the hole and adsorb fixedly with the electro-magnet. Meanwhile, in order to save space, a notch 39 is formed on the sidewall of the positioning cylinder 31 and penetrates through one end of the positioning cylinder, and the notch 39 is disposed corresponding to the guiding hole 22, and at this time, the blocking ring 26 is preferably block-shaped so as to penetrate through the notch 39. In this embodiment, when the length of the notch and the guide hole is based on the power rod moving towards the direction of the base 20, the maximum moving path after the clamping jaws are combined is the standard under the action of the telescopic rod.

Furthermore, a transverse plate 34 is transversely disposed above the base 20, a retractable expansion plate 35 is disposed at the other end of the transverse plate 34, and a crash pad 36 is hinged to the other end of the expansion plate 35. It should be noted that: the groove that supplies expansion plate 35 to stretch into is seted up to one side of diaphragm 34, and the inslot is provided with the spring fixed with the expansion plate, and crash pad 36 is made for the rubber material, and preferably the arc, simultaneously, is fixed with the axle on the lateral wall of expansion plate 35 and crash pad junction, and the crash pad overlaps to be established epaxially, and rotatable. After the connecting columns on the ship are clamped by the clamping jaws, the anti-collision pads 36 are abutted against the side walls of the ship, so that personnel on the ship can conveniently walk onto a wharf or a landing through the transverse plates, and the safety of the personnel is improved. The crash pad 36 is preferably arcuate to better contact or conform to the side wall of the boat, and is rotatably connected to the expansion plate to better accommodate the slope of the side wall of the boat at different angles of inclination.

When the ship went and enter into between two gag lever posts, along with going of ship, the prow can strike crashproof pad 36, and the spliced pole on the prow can enter into between two clamping jaws 23 simultaneously to striking backing plate 25 makes power rod move towards the location section of thick bamboo in, and the spring is compressed, passes the location section of thick bamboo until power rod and stretches into in the cavity at electro-magnet place, and at this moment, the electro-magnet is opened, adsorbs fixedly with power rod. During the movement of the power rod, the telescopic member 27 moves towards the base 20, and after the telescopic member has passed through the support, the connecting rod 28 gradually squeezes the jaws, eventually bringing the two jaws together. Meanwhile, in the case where the power lever is fixed, the link keeps the state of abutting against the jaws, and further the jaws 23 keep the state of being combined, as shown in fig. 8. When the ship needs to be driven out of the space between the two limiting rods 2, the electromagnet 29 is powered off, the limitation on the power rod 24 is removed, the power rod 24 resets under the action of the spring 30, meanwhile, the telescopic piece resets, the limitation on the clamping jaws 23 is removed through connection, the two clamping jaws 23 are opened under the action of the torsion spring, and therefore the fixing of the connecting column is removed, and the state can be shown in fig. 3. At this point, the boat can be driven out between the two restraint rods 2.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims (6)

1. An automatic harbor mooring device, comprising a wharf (1), characterized in that: a limiting mechanism for limiting ships is arranged on one side of the wharf (1), the limiting mechanism comprises limiting rods (2) which are parallel to each other, anti-collision pieces (3) are arranged on the corresponding side walls of the two limiting rods (2), and a supporting piece and a driving piece for driving the two limiting rods (2) to move in the opposite direction/reverse direction are arranged at the bottom of the limiting rods (2);

a fixing piece for fixing a ship is arranged on the side wall of the wharf (1) between the two limiting rods (2), the fixing piece comprises a base (20) and a fixing cylinder (21) arranged at the other end of the base (20), guide holes (22) are symmetrically formed in the side wall, facing the limiting rods (2), of the fixing cylinder (21) along the length direction of the fixing cylinder, clamping jaws (23) arranged facing the limiting rods (2) are hinged to the other end of the fixing cylinder (21) respectively, torsion springs are sleeved at the hinged positions of the clamping jaws (23) and the fixing cylinder (21), and a linkage piece for driving the clamping jaws (23) to open and close is arranged in the fixing cylinder (21);

the supporting piece comprises a supporting platform (5), a plurality of stand columns (6) are arranged at the bottom of the supporting platform (5), a through hole (7) is formed in the supporting platform (5), the bottom of the limiting rod (2) is connected with a fixing plate (9) through a plurality of connecting rods (8), the fixing plate (9) is arranged on the supporting platform (5), a rack (10) arranged along the movement direction of the limiting rod (2) is embedded into the bottom of the fixing plate (9), the rack (10) corresponds to the through hole (7), and the driving piece is arranged below the supporting platform (5);

the driving piece comprises a rotating shaft (11) which is rotatably arranged at the bottom of the supporting platform (5) along the length direction of the supporting platform (5), a gear (12) is fixedly sleeved on the rotating shaft (11), the gear (12) corresponds to the through hole (7) and is meshed with the rack (10), and the other end of the rotating shaft (11) is driven by a power piece (18);

the linkage piece comprises a power rod (24) arranged in the fixed cylinder (21), one end of the power rod (24) extends out of one end provided with a clamping jaw (23) and is fixed with a base plate (25); be located in fixed section of thick bamboo (21) be provided with on power rod (24) and keep off ring (26), keep off ring (26) and go up the symmetry and be provided with extensible member (27) that stretch out guide hole (22) respectively outward, on the lateral wall of fixed section of thick bamboo (21), be located the top of guide hole (22) is rotated and is provided with connecting rod (28), the one end of connecting rod (28) and the outer wall contact of clamping jaw (23), the bottom surface contact of extensible member (27) and connecting rod (28), be provided with in base (20) and carry out electro-magnet (29) fixed to power rod (24), the cover is equipped with spring (30) on power rod (24).

2. The automatic harbor mooring apparatus according to claim 1, wherein: the wharf is characterized in that a pit (13) is vertically formed in the wharf (1), one end of each of the two rotating shafts (11) extends into the pit (13) and is fixedly sleeved with a driven gear (14), a driving shaft (16) is fixed in the pit (13) through a bearing seat (15), the driving shaft (16) is provided with worm teeth (17) which are respectively meshed with the driven gears (14), the rotating directions of the worm teeth (17) meshed with the two driven gears (14) are opposite, and the driving shaft (16) is driven by the power part (18).

3. The automatic harbor berthing device of claim 1, wherein: one end of the limiting rod (2) facing to the side wall of the wharf (1) is provided with a pulley (19), and the pulley (19) is in contact with the side wall of the wharf (1).

4. The automatic harbor berthing device of claim 1, wherein: a positioning barrel (31) with one open end is arranged in the fixing barrel (21), the open end of the fixing barrel faces the clamping jaw (23), one end of the power rod (24) extends into the positioning barrel (31), and a hole for the power rod (24) to pass through is formed in the other end of the positioning barrel (31).

5. The automatic harbor mooring apparatus according to claim 1, wherein: the connecting rod (28) is rotatably connected through a bracket (32) in a shape like' 20866, the shortest height of the telescopic part (27) after compression is smaller than that of the bracket (32), and a balancing weight (33) is arranged at one end, close to the base (20), of the connecting rod (28).

6. The automatic harbor berthing device of claim 1, wherein: the anti-collision device is characterized in that a transverse plate (34) is transversely arranged above the base (20), a telescopic expansion plate (35) is arranged at the other end of the transverse plate (34), and an anti-collision pad (36) is hinged to the other end of the expansion plate (35).

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