CN115384695A - Chain making device for marine ship - Google Patents

Abstract

The invention relates to the field of ship equipment, and discloses a chain making device for a marine ship, which comprises a bearing shaft, wherein two ends of the bearing shaft are respectively movably sleeved on two support plates, a chain wheel positioned between the two support plates is fixedly sleeved on the bearing shaft, a longitudinal sliding groove positioned above the chain wheel is formed in each support plate, a brake flashboard capable of moving longitudinally is arranged in each longitudinal sliding groove, two sides of each brake flashboard are respectively in friction connection with two sides of the inner wall of each longitudinal sliding groove, and a limiting shaft is movably sleeved in the middle of each brake flashboard. Through the structural design of the linkage plate linkage brake flashboard and the pre-braking device, the pre-braking device brakes the rotation of the chain wheel before the brake flashboard contacts the anchor chain, so that the chain wheel is used for pre-braking the anchor chain, and the brake flashboard is matched with the brake flashboard to brake the anchor chain together after the brake flashboard contacts the anchor chain, so that the problems that the friction loss is large and the service life of the anchor chain and a chain brake is influenced due to release or withdrawal of the anchor chain are solved.

Description

Chain making device for marine ship

Technical Field

The invention relates to the field of ship equipment, in particular to a chain making device for a marine ship.

Background

The chain stopper is a device which is arranged between the anchor machine and the anchor chain barrel and is used for fixing the anchor chain and preventing the anchor chain from sliding out, when the chain stopper is anchored, the chain stopper transmits the pulling force generated by the anchor and the anchor chain to the ship body so as to reduce the load of the anchor machine and protect the anchor machine, wherein the gate plate type chain stopper is the most commonly used chain stopper and is used for stopping and fixing the anchor chain through a rotating gate plate.

The existing gate chain brake comprises a rotating chain wheel, an anchor chain bypasses the chain wheel, and therefore abrasion consumption when the anchor chain is released and recovered is reduced, however, when the existing anchor chain brake is used, the direct rotating gate is in contact with the anchor chain for braking, so that abrasion consumption of the contact part of the anchor chain and the gate during braking is large, the service life of the anchor chain and the chain brake is influenced, and therefore, according to the structure of the existing gate brake, the chain brake for the marine ship is provided.

Disclosure of Invention

The invention provides a chain making device for a marine vessel, which has the advantages of small friction loss of an anchor chain and a flashboard during braking and long service life, and solves the technical problems in the background art.

In order to achieve the above purpose, the invention provides the following technical scheme to realize: the utility model provides a chain making ware for marine vessel, is including bearing the axle, and the both ends of bearing the axle are movable suit respectively on two support plates, bear epaxial fixed cover and are equipped with the sprocket that is located between two support plates, set up the vertical spout that is located the sprocket top on the support plate, and be equipped with longitudinal movement's braking flashboard in the vertical spout, the both sides of braking flashboard respectively with the both sides frictional connection of vertical spout inner wall, and the middle part activity suit of braking flashboard has a spacing axle, two the outside and the fixedly connected with gangboard of two support plates are extended respectively to the one end of spacing axle, two the side of support plate is fixedly connected with the last L template and the next L template that are located the gangboard below respectively, and next L template is located the below of last L template, be equipped with the prefabricated mobile device that is located and bears next axle both sides between last L template and the L template, prefabricated mobile device is in the rotation that bears the axle is braked when the gangboard moves down.

Optionally, the bottom of the side of the brake flashboard far away from the anchor machine is designed to be a smooth inclined surface.

Optionally, the pre-braking device includes two movable frame plates arranged on two sides of the bearing shaft, and the two movable frame plates are all arranged between the upper L-shaped plate and the lower L-shaped plate, the inner side of the movable frame plate is fixedly sleeved with a brake block, the bearing shaft is fixedly sleeved with a brake wheel arranged on one side of the brake block, the outer diameter of the brake wheel is the same as the inner diameter of the brake block, the movable frame plate is far away from the middle of the brake block and is provided with a magnetic plate, a vertical pipe arranged on the outer side of the movable frame plate is arranged between the upper L-shaped plate and the lower L-shaped plate, the inner movable sleeve of the vertical pipe is provided with a rectangular sliding block capable of moving up and down, the vertical pipe is fixedly provided with an electromagnet, the electromagnet is magnetically repelled with the magnetic plate when the electromagnet is powered on, the top and the bottom of the electromagnet far away from one side of the magnetic plate are respectively provided with a second electric contact sheet and a first electric contact sheet, the rectangular sliding block moves down towards one side of the vertical electric contact sheet and contacts with the second electric contact sheet before the brake sheet, and contacts with the vertical contact sheet when the vertical contact sheet and the vertical contact sheet.

Optionally, one end of the conducting wire on the electromagnet is electrically connected with the first electric contact, the other end of the conducting wire on the electromagnet is electrically connected with the switch, the switch is further electrically connected with one electrode of the power supply, and the other electrode of the power supply is electrically connected with the second electric contact.

It is optional, the top fixedly connected with of last L template is located the regulating block of gangboard one side, but movable sleeve is equipped with horizontal migration's spacing axle on the regulating block, the one end of spacing axle can shift up spacing to the top of gangboard after horizontal migration, the fixed cover of one end of spacing axle be equipped with regulating block swing joint's baffle, the other end fixedly connected with of spacing axle adjusts the commentaries on classics board, and adjusts and be equipped with the activity suit between commentaries on classics board and the regulating block and change the epaxial spring of spacing, spacing epaxial external screw thread that is located to adjust commentaries on classics board one side is protruding, and the external screw thread is protruding cup joints with the regulating block screw thread.

Optionally, one side of the linkage plate facing the adjusting block is designed to be an inclined plane.

Optionally, two ends of the limiting shaft are fixedly connected with limiting threaded sleeves respectively, and the limiting threaded sleeves are movably connected with the outer sides of the linkage plates.

The invention provides a chain making device for a marine ship, which has the following beneficial effects:

1. the chain brake for the marine ship has the advantages that through the structural design of the linkage plate linkage brake flashboard and the pre-brake device, the pre-brake device brakes the rotation of the chain wheel before the brake flashboard contacts the anchor chain, so that the chain wheel is used for pre-braking the anchor chain, and the brake flashboard is matched with the brake flashboard to brake the anchor chain together after the brake flashboard contacts the anchor chain, so that when the anchor chain is released or withdrawn, the chain wheel rotates along with the anchor chain, and the problems that the friction loss caused by the release or withdrawal of the anchor chain is large, and the service life of the anchor chain and the chain brake is influenced are solved.

2. This a system chain ware for marine vessel when braking makes, makes the sprocket stall earlier, utilizes sprocket anchor chain to carry out friction pre-braking, reduces the release speed of anchor chain to behind the brake flashboard contact anchor chain, can brake the anchor chain by the efficient, and make the anchor chain reduce the contact impact force of brake flashboard, improved braking effect, reduced the braking wear of anchor chain, further improve the life of anchor chain.

3. This a chain ware for marine vessel, through the design of brake flashboard and vertical spout frictional contact, and the brake flashboard cup joints with injecing the axle activity, brake the back at the brake flashboard to the anchor chain, because of the anchor is to the drag power of anchor chain, make the brake flashboard have around the rotatory trend of injecing the axle, the pressure increase of brake flashboard right side top to vertical spout right side inner wall promptly, the pressure increase of brake flashboard left side bottom to vertical spout left side inner wall, and then make the static friction increase of brake flashboard and vertical spout inner wall, ensure that the brake flashboard is in stable braking state.

4. This a chain making ware for marine vessel, one side that utilizes the brake flashboard to keep away from the anchor machine is the inclined plane design, anchor machine pulling anchor chain, can make the anchor chain act on the inclined plane of brake flashboard, and make the pressure of brake flashboard right side top to the inner wall of longitudinal sliding groove right side reduce to disappearing, the pressure of brake flashboard left side bottom to the inner wall of longitudinal sliding groove left side reduces to disappearing, thereby make the anchor chain to the upward component force on inclined plane can make the brake flashboard shift up, thereby retrieve the anchor chain, effectually avoided before the anchor machine starts to receive the anchor, need open the flashboard earlier and cancel the braking to the anchor chain, thereby do not form sufficient traction before the anchor machine starts, and under the action of gravity of anchor and anchor chain self, the pulling anchor chain keeps away from one side of anchor machine and removes, damage the problem of anchor machine easily.

Drawings

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

FIG. 2 is a left side view of FIG. 1 of the present invention;

FIG. 3 is a schematic view of the invention in cross-section in the middle of FIG. 1;

FIG. 4 is a front view of FIG. 1 of the present invention;

FIG. 5 is a schematic cross-sectional view of the standpipe structure of FIG. 4 of the present invention;

FIG. 6 is a schematic diagram of the electrical connections of the electromagnet of FIG. 5 according to the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 4A according to the present invention.

In the figure: 1. a load bearing shaft; 2. supporting a carrier plate; 3. a sprocket; 4. a longitudinal chute; 5. a brake gate; 6. defining an axis; 7. an upper L-shaped plate; 8. a linkage plate; 9. a lower L-shaped plate; 10. moving the frame plate; 11. a brake pad; 12. a brake wheel; 13. a vertical tube; 14. an electromagnet; 15. a magnetic plate; 16. a rectangular slider; 17. a vertical axis; 18. a conductive sheet; 19. a first electrical contact; 20. a second electrical contact; 21. a regulating block; 22. a limiting shaft; 23. adjusting the rotating plate; 24. a spring.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a chain making device for a marine vessel comprises a bearing shaft 1 and two support plates 2, wherein two ends of the bearing shaft 1 are respectively movably sleeved on the two support plates 2, the bottoms of the two support plates 2 are fixedly mounted on the vessel, a chain wheel 3 positioned between the two support plates 2 is fixedly sleeved on the bearing shaft 1, an anchor chain wound by an anchor machine bypasses the middle part of the chain wheel 3 and extends out of the vessel, longitudinal sliding grooves 4 positioned above the chain wheel 3 are respectively arranged on the two support plates 2, brake discs 5 are movably sleeved in the two longitudinal sliding grooves 4, the brake discs 5 can move up and down in the longitudinal sliding grooves 4, referring to fig. 3, the bottom of one side of each brake disc 5 far away from the anchor machine is designed to be a smooth inclined surface, the anchor machine is arranged on the right side of the support plate 2, the anchor at the head end of the anchor chain is arranged on the left side of the support plate 2, the brake flashboard 5 is used for braking and limiting the anchor chain which is bypassed by the middle part of the top end of the chain wheel 3, two sides of the brake flashboard 5 are respectively in friction connection with two sides of the inner wall of the longitudinal sliding groove 4, the middle part of the brake flashboard 5 is movably sleeved with a limiting shaft 6, one end of each limiting shaft 6 extends out of the outer sides of the two support plates 2 and is fixedly connected with a linkage plate 8, the side surfaces of the two support plates 2 are respectively and fixedly connected with an upper L-shaped plate 7 and a lower L-shaped plate 9 which are positioned below the linkage plate 8, the lower L-shaped plate 9 is positioned below the upper L-shaped plate 7, a pre-braking device which is positioned on two sides of the bearing shaft 1 is arranged between the upper L-shaped plate 7 and the lower L-shaped plate 9, and the pre-braking device brakes the rotation of the bearing shaft 1 when the linkage plate 8 moves downwards.

When the anchor chain is released by the anchor machine, the anchor chain drives the bearing shaft 1 to rotate together, when the anchor chain is braked, the bearing shaft 1 is braked by pressing the brake flashboard 5 to move downwards, the linkage board 8 moves downwards simultaneously, before the brake flashboard 5 contacts the anchor chain, the linkage board 8 moves downwards, so that the pre-braking device firstly brakes the bearing shaft 1, the bearing shaft 1 and the chain wheel 3 integrally and rapidly stop rotating along with the release of the anchor chain, simultaneously, the rolling friction between the anchor chain and the chain wheel 3 is changed into sliding friction, so that the anchor chain is pre-braked by the chain wheel 3, the anchor chain is braked by matching with the brake flashboard 5 until the brake flashboard 5 contacts the anchor chain, so that when the anchor chain is released or retracted, the chain wheel 3 rotates along with the anchor chain, the problem that the friction loss caused by the release or the retraction of the anchor chain is large and the service life of the anchor chain is influenced is solved, and when the brake is used, the chain wheel 3 is firstly stopped to rotate, the chain wheel 3 is used for friction pre-braking, the release speed of the anchor chain is reduced, so that after the brake disc 5 contacts the anchor chain, the anchor chain can be efficiently braked, the contact impact force of the anchor chain to the brake disc 5 is reduced, the braking effect is improved, the braking abrasion of the anchor chain is reduced, the service life of the anchor chain is further prolonged, meanwhile, the brake disc 5 is matched with the design of friction contact with the longitudinal sliding groove 4, the brake disc 5 is movably sleeved with the limiting shaft 6, after the brake disc 5 brakes the anchor chain, the brake disc 5 has the tendency of rotating around the limiting shaft 6 due to the pulling force of the anchor to the anchor chain, namely, the pressure of the top of the right side of the brake disc 5 to the inner wall of the right side of the longitudinal sliding groove 4 is increased, the pressure of the bottom of the left side of the brake disc 5 to the inner wall of the left side of the longitudinal sliding groove 4 is increased, and further the static friction force of the brake disc 5 and the inner wall of the longitudinal sliding groove 4 is increased, the brake flashboard 5 is ensured to be in a stable braking state, meanwhile, when an anchor chain is retracted by an anchor machine, the inclined plane design is adopted on one side, far away from the anchor machine, of the brake flashboard 5, the anchor chain is pulled by the anchor machine to act on the inclined plane of the brake flashboard 5, the pressure of the top of the right side of the brake flashboard 5 on the inner wall of the right side of the longitudinal sliding groove 4 is reduced to disappear, the pressure of the bottom of the left side of the brake flashboard 5 on the inner wall of the left side of the longitudinal sliding groove 4 is reduced to disappear, so that the brake flashboard 5 can move upwards due to the upward component force of the anchor chain on the inclined plane, the anchor chain is recovered, the problem that the anchor machine is easily damaged due to the fact that the flashboard needs to be opened first before the anchor machine is started to stop the anchor chain is solved, and the problem that the brake flashboard 5 is not opened manually due to the fact that the brake flashboard 5 and the anchor chain brake flashboard body are not easily opened due to the fact that the friction force is large when the existing anchor chain brake by means that the anchor chain brake flashboard 5 rotates to carry out is large is not easy to be opened is solved.

Specifically, referring to fig. 4, the premonition device includes two movable frame plates 10 disposed on two sides of the bearing shaft 1, and the two movable frame plates 10 are both disposed between the upper L-shaped plate 7 and the lower L-shaped plate 9, a brake block 11 is fixedly sleeved on an inner side of the movable frame plate 10, a brake wheel 12 positioned on one side of the brake block 11 is fixedly sleeved on the bearing shaft 1, and an outer diameter of the brake wheel 12 is the same as an inner diameter of the brake block 11, a magnetic plate 15 is fixedly mounted in a middle portion of one side of the movable frame plate 10 away from the brake block 11, a vertical pipe 13 positioned on an outer side of the movable frame plate 10 is disposed between the upper L-shaped plate 7 and the lower L-shaped plate 9, referring to fig. 5, a rectangular slider 16 capable of moving up and down is movably sleeved inside the vertical pipe 13, and an outer side of the rectangular slider 16 is movably attached to an inner wall of the vertical pipe 13, a vertical shaft 17 is fixedly connected to a middle portion of a top end of the rectangular slider 16, a top end of the vertical shaft 17 penetrates through the upper L-shaped plate 7 and is fixedly connected to a bottom of the linkage plate 8, a side of the vertical pipe 13 is fixedly mounted with an electromagnet 14, a first conductive plate 18 and a second conductive plate 18, and a second conductive plate 18 are connected to a vertical conductive plate 18, and a vertical conductive plate 18, which are connected to a conductive plate 18 which are connected to a conductive contact piece, and a conductive piece 18 which are connected to the vertical conductive piece of the vertical conductive piece 18, and a conductive piece which is connected to the vertical conductive piece of the vertical conductive piece 18, and a conductive piece 18 which is connected to the vertical conductive piece 18.

Referring to fig. 6, one end of a wire on the electromagnet 14 is electrically connected to the first electrical contact 19, the other end of the wire on the electromagnet 14 is electrically connected to the switch, the switch is also electrically connected to one electrode of the power supply, the other electrode of the power supply is electrically connected to the second electrical contact 20, when braking, the switch is turned on to be in a closed state, after the conducting strip 18 moves down and simultaneously contacts the first electrical contact 19 and the second electrical contact 20, the electromagnet 14 is powered on to generate a magnetic repulsion force on the magnetic plate 15, so that the magnetic plate 15 drives the moving frame plate 10 to move integrally toward the braking wheel 12, and the braking wheel 12 is braked by the braking block 11, and after braking of the anchor chain is finished, the switch is turned off to be in an open state, so that the next work of retracting and releasing the anchor is not affected.

The two ends of the limiting shaft 6 are fixedly connected with limiting threaded sleeves respectively, the limiting threaded sleeves are movably connected with the outer sides of the linkage plates 8, the limiting shaft 6 is fixed and limited through the limiting threaded sleeves, so that the linkage plate 8 and the limiting shaft 6 are stably linked up and down and are convenient to detach and install.

Referring to fig. 1 and fig. 3, the top of the upper L-shaped plate 7 is fixedly connected with an adjusting block 21 located on one side of the linkage plate 8, referring to fig. 7, the adjusting block 21 is movably sleeved with a horizontally movable limiting shaft 22, one end of the limiting shaft 22 can move up and limit the top of the linkage plate 8 after moving horizontally, so as to prevent the linkage plate 8 from moving up, one end of the limiting shaft 22 is fixedly sleeved with a baffle plate movably connected with the adjusting block 21, so as to prevent the limiting shaft 22 from moving left and falling off from the adjusting block 21, the other end of the limiting shaft 22 is fixedly connected with an adjusting rotating plate 23, a spring 24 movably sleeved on the limiting shaft 22 is arranged between the adjusting rotating plate 23 and the adjusting block 21, the limiting shaft 22 is provided with an external thread protrusion located on one side of the adjusting rotating plate 23, and the external thread protrusion is in threaded sleeve with the adjusting block 21.

Before the anchor chain braking, elasticity through the spring, make spacing axle 22 and linkage plate 8 be in the state of separation, after the anchor chain braking, through pressing down regulation commentaries on classics board 23 compression spring 24, make spacing axle 22's external screw thread protruding to the right side of regulating block 21, can rotate regulation commentaries on classics board 23, make the protruding inside of rotating to regulating block 21 of external screw thread of spacing axle 22, form stable fixed, thereby make the regulating block 21 spacing to shifting up of linkage plate 8, the shifting up of restriction linkage plate 8, and then the shifting up of restriction braking flashboard 5, further improve the stability of braking back anchor chain, and, when withdrawing the anchor chain, in advance with spacing axle 22 rotatory and linkage plate 8 separation, can not influence the receipts of anchor chain.

One side of the linkage plate 8, which faces the adjusting block 21, is designed to be an inclined plane, so that the adjusting block 21 can move right to contact with the inclined plane of the linkage plate 8, and a stable upward movement limit is just formed for the linkage plate 8.

When the chain brake for the marine vessel brakes an anchor chain, the linkage plate 8 moves downwards at the same time by pressing the brake flashboard 5, the linkage plate 8 drives the vertical shaft 17, the rectangular sliding block 16 and the conducting strip 18 to move downwards integrally, the conducting strip 18 is contacted with the first electric contact piece 19 and the second electric contact piece 20 at the same time, the electromagnet 14 is electrified to generate a magnetic repulsion force to the magnetic plate 15, so that the magnetic plate 15 pushes the movable frame plate 10 and the brake block 11 to move towards the brake wheel 12 integrally, the brake wheel 12 is braked firstly, the bearing shaft 1 and the chain wheel 3 stop rotating, a reaction force of the chain wheel 3 bearing the weight of the anchor chain is utilized to provide a friction force, the chain wheel 3 pre-brakes the bearing shaft 1, and the release speed of the anchor chain is reduced, the anchor chain is further braked and limited until the brake flashboard 5 contacts the anchor chain, meanwhile, the pressure of the brake flashboard 5 on the inner wall of the longitudinal sliding groove 4 is increased by utilizing the drag force of the anchor chain, the static friction force of the brake flashboard 5 is increased, the brake flashboard 5 is prevented from moving upwards, finally, the linkage plate 8 is limited by the limiting shaft 22, the stable braking state of the brake flashboard 5 on the anchor chain is further guaranteed, when the anchor chain needs to be recovered, the braking state of the chain wheel 3 is cancelled through switch open circuit, the limiting shaft 22 is rotated simultaneously, the elastic force of the spring 24 is matched, the limiting shaft 22 is separated from the linkage plate 8, the anchor chain is recovered by an anchor machine, the brake flashboard 5 does not need to be opened manually, and the use is facilitated.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a system chain ware for marine vessel, is including bearing axle (1), and the both ends that bear axle (1) activity suit respectively are on two support plates (2), bear fixed cover on axle (1) and be equipped with sprocket (3) that are located between two support plates (2), its characterized in that: offer vertical spout (4) that are located sprocket (3) top on propping up support plate (2), and be equipped with brake flashboard (5) that can longitudinally move in vertical spout (4), the both sides of brake flashboard (5) respectively with the both sides frictional connection of vertical spout (4) inner wall, and the middle part activity suit of brake flashboard (5) has spacing axle (6), two the outside and fixedly connected with linkage plate (8) of two support plate (2) are extended respectively to the one end of spacing axle (6), two the side of support plate (2) is fixedly connected with respectively and is located last L template (7) and lower L template (9) of linkage plate (8) below, and lower L template (9) are located the below of last L template (7), be equipped with the prefabricated mobile device that is located bearing axle (1) both sides between last L template (7) and lower L template (9), prefabricated mobile device is in the rotation that bears axle (1) is braked when linkage plate (8) move down.

2. A chain stopper for a marine vessel according to claim 1, wherein: the bottom of one side of the brake flashboard (5) far away from the anchor machine is designed to be a smooth inclined plane.

3. A chain stopper for a marine vessel according to claim 1, wherein: the pre-braking device comprises two movable frame plates (10) arranged on two sides of a bearing shaft (1), the two movable frame plates (10) are arranged between an upper L-shaped plate (7) and a lower L-shaped plate (9), a brake block (11) is fixedly sleeved on the inner side of each movable frame plate (10), a brake wheel (12) positioned on one side of the brake block (11) is fixedly sleeved on the bearing shaft (1), the outer diameter of the brake wheel (12) is the same as the inner diameter of the brake block (11), a magnetic plate (15) is fixedly arranged in the middle of one side, far away from the brake block (11), of each movable frame plate (10), a vertical pipe (13) positioned on the outer side of the corresponding movable frame plate (10) is arranged between the upper L-shaped plate (7) and the lower L-shaped plate (9), a rectangular sliding block (16) capable of moving up and down is movably sleeved inside the vertical pipe (13), the outer side of the rectangular sliding block (16) is movably attached to the inner wall of the vertical pipe (13), a vertical shaft (17) is fixedly connected to the middle of the top end of the rectangular sliding block (16), the top end of the vertical shaft (17) penetrates through the upper L-shaped plate (7) and is fixedly connected with a fixed linkage plate (8), the bottom of the vertical pipe (14) and is connected with a magnetic plate (14), and a vertical pipe (14) is connected with the electromagnet (14), and the top and the bottom of the electromagnet (14) far away from one side of the magnetic plate (15) are respectively provided with a second electric contact (20) and a first electric contact (19), one side of the rectangular sliding block (16) facing the electromagnet (14) is fixedly connected with a vertical conducting strip (18), the conducting strip (18) is in contact with the second electric contact (20) before braking, and the conducting strip (18) is in contact with the first electric contact (19) along with the downward movement of the rectangular sliding block (16), the vertical shaft (17) and the linkage plate (8) during braking.

4. A chain maker for a marine vessel according to claim 3, wherein: one end of a lead on the electromagnet (14) is electrically connected with the first electric contact piece (19), the other end of the lead on the electromagnet (14) is electrically connected with a switch, the switch is also electrically connected with one electrode of a power supply, and the other electrode of the power supply is electrically connected with the second electric contact piece (20).

5. A chain maker for a marine vessel according to claim 1, wherein: the top fixedly connected with of last L template (7) is located regulating block (21) of gangboard (8) one side, but the movable sleeve is equipped with horizontal migration's spacing axle (22) on regulating block (21), the one end of spacing axle (22) can shift up spacingly to the top of linkage board (8) after horizontal migration, the fixed cover of one end of spacing axle (22) is equipped with the baffle with regulating block (21) swing joint, the other end fixedly connected with of spacing axle (22) adjusts commentaries on classics board (23), and adjusts and be equipped with spring (24) of activity suit on spacing axle (22) between commentaries on classics board (23) and regulating block (21), it is protruding to be equipped with the external screw thread that is located to adjust commentaries on classics board (23) one side on spacing axle (22), and the external screw thread is protruding cup jointed with regulating block (21) screw thread.

6. A chain stopper for a marine vessel according to claim 5, wherein: one side of the linkage plate (8) facing the adjusting block (21) is designed to be an inclined plane.

7. A chain stopper for a marine vessel according to claim 1, wherein: and two ends of the limiting shaft (6) are respectively fixedly connected with a limiting threaded sleeve, and the limiting threaded sleeves are movably connected with the outer side of the linkage plate (8).

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