CN111268029A

CN111268029A - Chain stopper

Info

Publication number: CN111268029A
Application number: CN202010073544.6A
Authority: CN
Inventors: 向鹏洋; 孙立坤; 李艳春; 李先兵; 吴迪; 朱校
Original assignee: Wuhan Marine Machinery Plant Co Ltd
Current assignee: Wuhan Marine Machinery Plant Co Ltd
Priority date: 2020-01-22
Filing date: 2020-01-22
Publication date: 2020-06-12

Abstract

The utility model provides a chain stopper belongs to deck machinery. The chain stopper comprises a support, an anchor chain wheel, a chain stopping knife switch and adjusting gaskets, wherein the support comprises a first support plate and a second support plate, a first mounting groove is formed in the first support plate, a second mounting groove is formed in the second support plate, one end of the chain stopping knife switch is positioned in the first mounting groove, a plurality of adjusting gaskets are clamped between the side wall of the first mounting groove close to the anchor chain wheel and the chain stopping knife switch, the other end of the chain stopping knife switch is positioned in the second mounting groove, a plurality of adjusting gaskets are clamped between the side wall of the second mounting groove close to the anchor chain wheel and the chain stopping knife switch, after the chain stopping knife switch is collided out of a pit by an anchor chain, part or all of the adjusting gaskets in the first mounting groove and the second mounting groove can be taken out, then the taken out adjusting gaskets are mounted between the side wall of the first mounting groove and the second mounting groove far away from the anchor chain wheel and the chain stopping knife switch, so that the distance between the chain stopping, so that the chain-stopping brake knife can still lock the anchor chain.

Description

Chain stopper

Technical Field

The disclosure relates to the field of deck machinery, in particular to a chain stopper.

Background

On a ship, the retraction of an anchor chain is usually performed by an anchor windlass, the anchor windlass is controlled to rotate forwards and backwards, so that the retraction and the release of the anchor chain are realized, and the retraction of the anchor chain can be stopped after the anchor windlass is braked. Due to sea storms, huge tension is generated on the anchor chain after the windlass stops winding and unwinding, and huge pressure directly acts on the anchor windlass to possibly damage the anchor windlass.

The chain stopper generally includes frame, anchor chain wheel and chain stopping switch, and the frame includes two backup pads of mutual disposition, and the one end of chain stopping switch articulates in a backup pad, when needs are with the anchor chain locking, the chain stopping switch that overturns makes the other end overlap joint of chain stopping switch to another backup pad, and chain stopping switch just can block on two adjacent sections chain rings of anchor chain, with the anchor chain locking.

In the actual use process, due to the influence of wind waves and the like, the anchor chain and the chain stopping knife switch can collide repeatedly, and the chain stopping knife switch can be greatly impacted. After a period of time, the chain stopping knife can be impacted out of the pit, so that the distance between the chain stopping knife and the anchor chain wheel is increased, and the anchor chain cannot be locked by the chain stopping knife.

Disclosure of Invention

The embodiment of the disclosure provides a chain stopper, which can prevent the chain stopping knife blade from locking an anchor chain due to the enlarged space between the chain stopping knife blade and the anchor chain wheel. The technical scheme is as follows:

the embodiment of the disclosure provides a chain stopper, which comprises a support, a chain wheel, a chain stopper switch and adjusting gaskets, wherein the support comprises a first supporting plate and a second supporting plate which are arranged oppositely, the chain wheel is rotatably installed between the first supporting plate and the second supporting plate, a first installation groove is formed in the first supporting plate, a second installation groove is formed in the second supporting plate, the chain stopper switch has two opposite ends, one end of the chain stopper switch is located in the first installation groove and is hinged to the first supporting plate through a first pin shaft, the first pin shaft is perpendicular to the side wall of the first installation groove, a plurality of adjusting gaskets are clamped between the side wall of the first installation groove, which is close to the chain wheel, and the chain stopper switch, and the other end of the chain stopper switch is located in the second installation groove, and the adjusting gasket is hinged to the second supporting plate through a second pin shaft, the second pin shaft is perpendicular to the side wall of the second mounting groove and parallel to the first pin shaft, and a plurality of adjusting gaskets are clamped between the side wall of the second mounting groove, which is close to the anchor chain wheel, and the chain stopping switch blade.

Optionally, the adjusting shims located in the first mounting groove and the adjusting shims located in the second mounting groove each include a plurality of adjusting shims having different thicknesses.

Optionally, the adjusting gasket is provided with a U-shaped slot, the first pin is located in the U-shaped slot of the adjusting gasket in the first mounting groove, and the second pin is located in the U-shaped slot of the adjusting gasket in the second mounting groove.

Optionally, the adjusting shim is provided with a connecting hole, the adjusting shim in the first mounting groove is connected with the side wall of the first mounting groove through a bolt, and the adjusting shim in the second mounting groove is connected with the side wall of the second mounting groove through a bolt.

Optionally, the first supporting plate and the second supporting plate are both connected with two parallel side plates at intervals, the two side plates on the first supporting plate and the first supporting plate form the first mounting groove, and the two side plates on the second supporting plate and the second supporting plate form the second mounting groove.

Optionally, a backing plate is respectively clamped between the side wall of the first mounting groove, which is far away from the anchor chain wheel, and the chain stopping gate knife, and between the side wall of the second mounting groove, which is far away from the anchor chain wheel, and the chain stopping gate knife.

Optionally, the backing plate in the first mounting groove is connected with the side wall of the first mounting groove through a bolt, and the backing plate in the second mounting groove is connected with the side wall of the second mounting groove through a bolt.

Optionally, a counterweight is mounted at one end of the chain stopper blade.

Optionally, the second pin shaft comprises a rod body and a pin head, the pin head is hinged to one end of the rod body, and a retainer ring is arranged at the other end of the rod body.

Optionally, the adjusting shim is a metal structural member.

The beneficial effects brought by the technical scheme provided by the embodiment of the disclosure at least comprise:

through setting up support and anchor chain wheel, the support includes first backup pad and the second backup pad of relative arrangement, and anchor chain wheel rotationally installs between first backup pad and second backup pad for anchor chain wheel can the free rotation carry anchor chain. Be provided with first mounting groove in the first backup pad, be provided with the second mounting groove in the second backup pad, articulate on first backup pad through first round pin axle through the one end that will end chain switch-blade, articulate on the second backup pad through second round pin axle the other end that will end chain switch-blade for end chain switch-blade can be with the anchor chain locking between end chain switch-blade and anchor chain wheel, through dismantling one in first round pin axle and the second round pin axle, can rotate and end chain switch-blade, release anchor chain. The two ends of the chain stopping knife are respectively positioned in the first mounting groove and the second mounting groove, a plurality of adjusting gaskets are clamped between the side wall of the first mounting groove close to the anchor chain wheel and the chain stopping knife, a plurality of adjusting gaskets are clamped between the side wall of the second mounting groove close to the anchor chain wheel and the chain stopping knife, after the chain stopping knife is collided with a pit by the anchor chain, part or all of the adjusting gaskets in the first mounting groove and part or all of the adjusting gaskets in the second mounting groove can be taken out, because the first pin shaft is vertical to the side wall of the first mounting groove, the second pin shaft is vertical to the side wall of the second mounting groove and is parallel to the first pin shaft, the chain stopping knife can be pushed along the first pin shaft and the second pin shaft, and then the taken out adjusting gaskets are arranged between the side wall of the first mounting groove far away from the anchor chain wheel and the chain stopping knife and between the side wall of the second mounting groove far away from the anchor chain wheel and the chain stopping, therefore, the distance between the chain stopping knife and the anchor chain wheel is reduced, and the chain stopping knife can still lock the anchor chain.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a schematic view showing the installation of a chain stopper in the related art;

FIG. 2 is a schematic structural diagram of a chain stopper provided in an embodiment of the present disclosure;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a side view of a tuning pad positioned in a first mounting slot according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural diagram of a tuning pad provided in an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of a backing plate provided in an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of a second pin according to an embodiment of the present disclosure;

fig. 8 is an exploded structural schematic view of a second pin according to an embodiment of the present disclosure.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

Fig. 1 is a schematic view showing an installation of a chain stopper in the related art. As shown in fig. 1, the anchor chain 300 is wound around the windup 200, and the end of the anchor chain 300 that is paid out passes through the chain stopper 100, and the anchor chain 300 can be locked by the chain stopper 100. In the actual use process, due to the influence of wind waves and the like, the anchor chain and the chain stopping knife switch can collide repeatedly, and the chain stopping knife switch can be greatly impacted. After a period of time, the chain stopping knife can be impacted out of the pit, so that the distance between the chain stopping knife and the anchor chain wheel is increased, and the anchor chain cannot be locked by the chain stopping knife.

Fig. 2 is a schematic structural diagram of a chain stopper provided in the embodiment of the present disclosure. As shown in fig. 2, the chain stopper includes a bracket 10, a chain sprocket 20, a chain stopper blade 30, and an adjustment shim 40.

Fig. 3 is a top view of fig. 2. As shown in fig. 3, the bracket 10 includes a first support plate 11 and a second support plate 12 which are oppositely disposed, and the anchor sprocket 20 is rotatably installed between the first support plate 11 and the second support plate 12. The first supporting plate 11 is provided with a first mounting groove 11a, the second supporting plate 12 is provided with a second mounting groove 12a, and the chain stopper 30 has opposite ends.

One end of the chain stopping gate knife 30 is positioned in the first mounting groove 11a and is hinged on the first supporting plate 11 through a first pin shaft 51, the first pin shaft 51 is perpendicular to the side wall of the first mounting groove 11a, and a plurality of adjusting gaskets 40 are clamped between the side wall of the first mounting groove 11a close to the anchor chain wheel 20 and the chain stopping gate knife 30.

The other end of the chain stopping switch blade 30 is located in the second mounting groove 12a and is hinged to the second support plate 12 through a second pin 52, the second pin 52 is perpendicular to the side wall of the second mounting groove 12a and parallel to the first pin 51, and a plurality of adjusting gaskets 40 are clamped between the side wall of the second mounting groove 12a close to the anchor sprocket 20 and the chain stopping switch blade 30.

Alternatively, the adjustment pad 40 may be a metal structural member. The chain stopper can be subjected to larger impact force in the using process, and the metal structural part has higher strength, so that the adjusting gasket 40 can bear larger acting force without deformation.

Illustratively, the adjusting shim 40 may be a stainless steel structure, the chain stopper is usually mounted on the deck and is easily corroded by seawater, and the adjusting shim 40 made of stainless steel can better resist seawater corrosion and has a longer service life.

Alternatively, each of the plurality of adjustment shims 40 located in the first mounting groove 11a and the plurality of adjustment shims 40 located in the second mounting groove 12a may include a plurality of adjustment shims 40 having different thicknesses. By arranging the adjusting shims 40 with different thicknesses, the adjusting shims 40 with proper thicknesses can be selected and adjusted according to the sizes of the pits, and of course, a plurality of adjusting shims 40 can be adjusted at a time in actual use, so that the chain stopper blade 30 can lock the anchor chain.

Fig. 4 is a side view of an adjusting shim positioned in a first mounting groove provided by the embodiment of the disclosure, and as shown in fig. 4, 5 adjusting shims 40 are arranged in the first mounting groove 11a, and the chain stopper may include three sizes of adjusting shims 40 with thicknesses of 5mm, 10mm and 20mm, respectively. Initially, i.e. when no adjusting shim 40 has been adjusted, two adjusting shims 40 with a thickness of 5mm, two adjusting shims 40 with a thickness of 10mm and one adjusting shim 40 with a thickness of 20mm may be interposed between the side wall of the first mounting groove 11a near the chain wheel 20 and the chain stopper blade 30. Two adjusting shims 40 with the thickness of 5mm, two adjusting shims 40 with the thickness of 10mm and one adjusting shim 40 with the thickness of 20mm can also be clamped between the side wall of the second mounting groove 12a close to the anchor sprocket 20 and the chain stopper blade 30.

Fig. 5 is a schematic structural diagram of an adjusting shim according to an embodiment of the present disclosure. As shown in fig. 5, the adjusting shim 40 may have a U-shaped slot 40a, the first pin 51 is located in the U-shaped slot 40a of the adjusting shim 40 in the first mounting groove 11a, and the second pin 52 is located in the U-shaped slot 40a of the adjusting shim 40 in the second mounting groove 12 a. Through setting up U type draw-in groove 40a dodge the round pin axle, can make things convenient for the adjustment of adjusting shim 40. Before the adjusting pad 40 is installed, the chain stopper blade 30 may be installed on the bracket 10 through the first pin shaft 51 and the second pin shaft 52, taking the adjusting pad 40 in the first installation groove 11a as an example, the adjusting pad 40 is inserted into the first installation groove 11a with the opening of the U-shaped slot 40a facing downward, so that the U-shaped slot 40a is clamped on the first pin shaft 51, when the adjusting pad 40 needs to be adjusted, the adjusting pad 40 may be directly taken out without detaching the first pin shaft 51, and after being taken out, the adjusting pad may be directly clamped between the side wall of the first installation groove 11a far from the anchor sprocket 20 and the chain stopper blade 30.

As shown in fig. 5, the adjusting shim 40 may have a connection hole 40b, the adjusting shim 40 in the first mounting groove 11a is connected to the side wall of the first mounting groove 11a by a bolt, and the adjusting shim 40 in the second mounting groove 12a is connected to the side wall of the second mounting groove 12a by a bolt. In the first mounting groove 11a and the second mounting groove 12a, the adjusting shim 40 is fixed by bolts, respectively, so that the adjusting shim 40 can be prevented from loosening, and the adjusting shim 40 can also be prevented from falling when the chain stopper is in an open state.

Alternatively, the coupling hole 40b may be a screw hole, and directly screwed into the coupling hole 40b and the bracket 10 by a bolt at the time of coupling to fix the adjustment washer 40.

In another implementation manner of the present disclosure, among the adjustment shims 40 located between the side wall of the first mounting groove 11a close to the chain wheel 20 and the chain stopper blade 30, the connection holes 40b of the adjustment shim 40 closest to the chain stopper blade 30 are threaded holes, and the connection holes 40b of the other adjustment shims 40 are unthreaded holes, so that smooth screwing of bolts can be facilitated, when the adjustment shim 40 is selected for adjustment, the priority of the adjustment shim 40 closest to the chain stopper blade 30 is the lowest, that is, the other adjustment shims 40 are preferentially adjusted, and adjustment of the adjustment shim 40 closest to the chain stopper blade 30 is considered only after all the other adjustment shims 40 have been taken out from between the side wall of the first mounting groove 11a close to the chain wheel 20 and the chain stopper blade 30. Accordingly, in the adjustment shim 40 positioned between the sidewall of the second mounting groove 12a adjacent to the chain wheel 20 and the chain stopper blade 30, the coupling hole 40b of the adjustment shim 40 closest to the chain stopper blade 30 is a screw hole, and the coupling holes 40b of the other adjustment shims 40 are also unthreaded holes.

As shown in fig. 2, two side plates 101 may be attached to the first support plate 11 and the second support plate 12 in parallel and spaced apart. Two side plates 101 on the first support plate 11 form a first mounting groove 11a with the first support plate 11, and two side plates 101 on the second support plate 12 form a second mounting groove 12a with the second support plate 12. The first mounting groove 11a and the second mounting groove 12a are formed by arranging the side plate 101, so that the processing mode is simple, and the manufacturing cost is low. And form first mounting groove 11a and second mounting groove 12a through setting up curb plate 101, like this when adopting bolt fastening adjusting shim 40, the bolt can be followed curb plate 101 one side and twisted in adjusting shim 40, and the operation is more convenient to also more make things convenient for the installation of first round pin axle 51 and second round pin axle 52.

For example, the side plate 101 and the first support plate 11, and the side plate 101 and the second support plate 12 may be welded.

As shown in fig. 3, a backing plate 60 may be interposed between the side wall of the first mounting groove 11a away from the chain wheel 20 and the chain stopper blade 30, and between the side wall of the second mounting groove 12a away from the chain wheel 20 and the chain stopper blade 30. Through setting up backing plate 60, when adjusting shim 40, can also adopt the mode of interchanging the position of adjusting shim 40 and backing plate 60 to richen the mode of adjusting, adjust the interval between only chain brake sword 30 and anchor sprocket 20 better, make only chain brake sword 30 lock the hawse smoothly.

Alternatively, the backing plate 60 may be a metal structural member, such as a stainless steel structural member.

Alternatively, the shim plate 60 in the first mounting groove 11a and the sidewall of the first mounting groove 11a may be coupled by bolts, and the shim plate 60 in the second mounting groove 12a and the sidewall of the second mounting groove 12a may be coupled by bolts. To prevent the backing plate 60 from being released from the first mounting groove 11a or the second mounting groove 12 a.

Illustratively, the thickness of the backing plate 60 may be 10 mm.

Fig. 6 is a schematic structural diagram of a backing plate according to an embodiment of the present disclosure. As shown in fig. 6, the backing plate 60 may also have a U-shaped groove 60a to avoid the first pin 51 or the second pin 52. The backing plate 60 may be provided with a through hole 60b to be coupled with the bolt, and the through hole 60b may be a screw hole.

Fig. 7 is a schematic structural diagram of a second pin according to an embodiment of the present disclosure. As shown in fig. 7, the second pin 52 may include a rod 521 and a pin head 522. The pin head 522 is hinged to one end of the rod 521, and the other end of the rod 521 may have a retaining ring 5211. Fig. 8 is an exploded structural schematic view of a second pin according to an embodiment of the present disclosure. As shown in fig. 8, when connecting, the pin head 522 may be removed, one end of the second pin 52 may be inserted into the sidewall of the second mounting groove 12a and the zipper stopper 30, and then the pin head 522 may be mounted and rotated 90 ° to the state of fig. 7. The second pin 52 is prevented from being released by the retaining ring 5211 and the pin head 522. The structure of the first pin 51 may be the same as or different from that of the second pin 52.

Optionally, a counterweight 70 may be further installed at one end of the zipper cutter 30, and the counterweight 70 has a certain weight to facilitate the opening of the zipper cutter 30.

Optionally, ribs 102 may be further disposed on opposite sides of the first support plate 11 and the second support plate 12 of the chain stopper, respectively, to improve the structural strength of the bracket 10.

The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.

Claims

1. A chain stopper, characterized in that, the chain stopper includes a bracket (10), a chain wheel (20), a chain stopper blade (30) and an adjusting shim (40), the bracket (10) includes a first supporting plate (11) and a second supporting plate (12) which are oppositely arranged, the chain wheel (20) is rotatably installed between the first supporting plate (11) and the second supporting plate (12), the first supporting plate (11) is provided with a first installation groove (11a), the second supporting plate (12) is provided with a second installation groove (12a), the chain stopper blade (30) has two opposite ends, one end of the chain stopper blade (30) is located in the first installation groove (11a) and is hinged on the first supporting plate (11) through a first pin shaft (51), the first pin shaft (51) is perpendicular to the side wall of the first installation groove (11a), first mounting groove (11a) are close to the lateral wall of anchor sprocket (20) with it is equipped with a plurality of to press from both sides between chain-stopping switch blade (30) adjusting shim (40), the other end that chain-stopping switch blade (30) is located in second mounting groove (12a), and articulate through second round pin axle (52) on second backup pad (12), second round pin axle (52) perpendicular to the lateral wall of second mounting groove (12a) and with first round pin axle (51) are parallel, second mounting groove (12a) are close to the lateral wall of anchor sprocket (20) with it is equipped with a plurality of to press from both sides between chain-stopping switch blade (30) adjusting shim (40).

2. The chain stopper according to claim 1, wherein the plurality of regulating shims (40) located in the first mounting groove (11a) and the plurality of regulating shims (40) located in the second mounting groove (12a) each include a plurality of regulating shims (40) having different thicknesses.

3. The chain stopper as claimed in claim 1, wherein the adjusting shim (40) has a U-shaped slot (40a) thereon, the first pin (51) is located in the U-shaped slot (40a) of the adjusting shim (40) in the first mounting groove (11a), and the second pin (52) is located in the U-shaped slot (40a) of the adjusting shim (40) in the second mounting groove (12 a).

4. The chain stopper as claimed in claim 3, wherein the adjusting shim (40) has a connecting hole (40b) thereon, the adjusting shim (40) in the first mounting groove (11a) is connected with a side wall of the first mounting groove (11a) by a bolt, and the adjusting shim (40) in the second mounting groove (12a) is connected with a side wall of the second mounting groove (12a) by a bolt.

5. The chain stopper according to claim 4, wherein two parallel side plates (101) are connected to the first support plate (11) and the second support plate (12), the two side plates (101) on the first support plate (11) and the first support plate (11) form the first mounting groove (11a), and the two side plates (101) on the second support plate (12) and the second support plate (12) form the second mounting groove (12 a).

6. The chain stopper as claimed in claim 1, wherein a backing plate (60) is interposed between a side wall of the first mounting groove (11a) remote from the chain wheel (20) and the chain stopper blade (30), and between a side wall of the second mounting groove (12a) remote from the chain wheel (20) and the chain stopper blade (30), respectively.

7. The chain stopper as claimed in claim 6, wherein the shim plate (60) in the first mounting groove (11a) is connected with a side wall of the first mounting groove (11a) by a bolt, and the shim plate (60) in the second mounting groove (12a) is connected with a side wall of the second mounting groove (12a) by a bolt.

8. The chain stopper as claimed in any one of claims 1 to 7, wherein a counterweight (70) is mounted at one end of the chain stopper blade (30).

9. The chain stopper as claimed in any one of claims 1 to 7, wherein the second pin (52) comprises a rod body (521) and a pin head (522), the pin head (522) is hinged with one end of the rod body (521), and the other end of the rod body (521) is provided with a retaining ring (5211).

10. Chain stopper according to any of claims 1 to 7, wherein the adjusting shim (40) is a metal structural part.