CN116080822A - Low-damping self-adaptive chain guide roller - Google Patents
Low-damping self-adaptive chain guide roller Download PDFInfo
- Publication number
- CN116080822A CN116080822A CN202310030834.6A CN202310030834A CN116080822A CN 116080822 A CN116080822 A CN 116080822A CN 202310030834 A CN202310030834 A CN 202310030834A CN 116080822 A CN116080822 A CN 116080822A
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- CN
- China
- Prior art keywords
- limiting plate
- pin shaft
- shaped limiting
- outer steel
- chain
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000013016 damping Methods 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 230000003044 adaptive effect Effects 0.000 claims 1
- 230000001681 protective effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 4
- 230000001050 lubricating effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/04—Fastening or guiding equipment for chains, ropes, hawsers, or the like
- B63B21/10—Fairleads
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses a low-damping self-adaptive chain guide roller, which relates to the technical field of marine machinery and comprises a pin shaft, wherein an outer steel casing is sleeved on the surface of the pin shaft, auxiliary rollers are respectively connected with one side of the surface of the pin shaft, which is positioned on the outer steel casing, and a U-shaped limiting plate is sleeved on the other side of the surface of the pin shaft, which is positioned on the outer steel casing. Through the guide chain roller assembly structure that sets up, according to the concrete size of anchor chain, through taking out and inserting the U-shaped limiting plate of both sides and adjusting the clearance between two vice cylinders, can lay the anchor chain of different specifications, and the spacing effect of both sides cylinder can effectively prevent that the anchor chain from taking place to twist reverse, the device form is simple, the suitability is strong, easy and simple to handle, the security is high, successfully overcome the restriction of traditional guide chain roller to the anchor chain specification, reduced the operation risk of anchor chain laying in-process, greatly improved anchor chain laying efficiency.
Description
Technical Field
The invention relates to the technical field of marine machinery, in particular to a low-damping self-adaptive chain guide roller.
Background
The anchor chain laying is an essential link in the installation and construction process of the offshore platform at the present stage. The traditional anchor chain laying roller is only suitable for anchor chains of single specification, when the anchor chains of a plurality of specification sizes are required to be laid, anchor chain rollers are required to be replaced frequently, the process is complicated, the safety risk is high, and when the rollers are replaced, the anchor chains can be twisted. Therefore, the development of the low-damping anchor chain laying guide chain roller capable of adapting to the anchor chain specification has great engineering application value.
Disclosure of Invention
The invention aims to provide a low-damping self-adaptive chain guide roller, which solves the technical problems.
The aim of the invention can be achieved by the following technical scheme:
the low-damping self-adaptive chain guide roller comprises a pin shaft, wherein an outer steel protection cylinder is sleeved on the surface of the pin shaft, auxiliary rollers are respectively sleeved on one side of the surface of the pin shaft, which is positioned on the outer steel protection cylinder, U-shaped limiting plates are sleeved on the other side of the surface of the pin shaft, which is positioned on the outer steel protection cylinder, and the number of the outer steel protection cylinders is two;
the surface of the U-shaped limiting plate is provided with a U-shaped groove, the surface of the U-shaped groove is provided with a movable groove, a sleeve seat is fixedly arranged in the U-shaped limiting plate near the movable groove, and the inner part of the U-shaped limiting plate is positioned on the surface of the sleeve seat to rotate; the novel U-shaped limiting plate is characterized in that a hook plate is connected, a ratchet wheel is rotatably connected in the U-shaped limiting plate, and a stretching rod is rotatably connected to the surface of the ratchet wheel.
Preferably, the surfaces of the pin shafts are welded and fixed with annular limiting plates near the edges of the two ends, and triangular plates are symmetrically welded and fixed on the opposite surfaces of the two annular limiting plates.
Preferably, the inner side surface symmetry welding of outside steel casing is fixed with interior rand, the quantity of interior rand sets up to three, the surface sliding connection of interior rand has first limiting plate, the outside surface of first limiting plate is equipped with the draw-in groove, the inboard surface embedding of first limiting plate is fixed with vice ball bearing.
Preferably, the auxiliary roller comprises second limiting plates, the number of the second limiting plates is three, and the inner diameter of the second limiting plates is equal to that of the ball bearings.
Preferably, a slot is formed in one end surface of the U-shaped limiting plate, a latch is arranged on the slotted surface, a linkage disc is rotationally connected to the slotted surface, the hook plate is fixedly connected with the extension rod, one end of the extension rod is connected with the sleeve seat in an embedded mode, a spring piece is fixedly connected to the surface of the linkage disc, which is close to the edge, a ratchet is rotationally connected to one side of the spring piece, and the spring piece is fixedly connected with the ratchet.
The invention has the beneficial effects that:
through the guide chain roller assembly structure that sets up, according to the concrete size of anchor chain, through taking out and inserting the U-shaped limiting plate of both sides and adjusting the clearance between two vice cylinders, can lay the anchor chain of different specifications, and the spacing effect of both sides cylinder can effectively prevent that the anchor chain from taking place to twist reverse, the device form is simple, the suitability is strong, easy and simple to handle, the security is high, successfully overcome the restriction of traditional guide chain roller to the anchor chain specification, reduced the operation risk of anchor chain laying in-process, greatly improved anchor chain laying efficiency.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic representation of the large-scale chain laying of the present invention;
FIG. 2 is a schematic illustration of the small-scale chain laying of the present invention;
FIG. 3 is a schematic view of a pin structure of the present invention;
FIG. 4 is a schematic view of the outboard steel casing and drum construction of the present invention;
FIG. 5 is a cross-sectional view of a U-shaped limiting plate of the present invention;
FIG. 6 is a schematic view of the ratchet mechanism of the present invention.
In the figure: 1. a pin shaft; 2. an annular limiting plate; 3. a triangle; 4. an outer steel casing; 5. an inner collar; 6. a first limiting plate; 7. a clamping groove; 8. a ball bearing; 9. a sub-drum; 10. a U-shaped limiting plate; 11. a movable groove; 12. a sleeve seat; 13. a hook plate; 14. a ratchet wheel; 15. latch teeth; 16. a linkage disc; 17. a stretching rod; 18. a spring piece; 19. a ratchet.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the invention discloses a low-damping self-adaptive chain guide roller, which comprises a pin shaft 1, wherein an outer steel protection cylinder 4 is sleeved on the surface of the pin shaft 1, auxiliary rollers 9 are respectively sleeved on one side of the surface of the pin shaft 1, which is positioned on the outer steel protection cylinder 4, a U-shaped limiting plate 10 is sleeved on the other side of the surface of the pin shaft 1, which is positioned on the outer steel protection cylinder 4, and the number of the outer steel protection cylinders 4 is two;
the surface of the U-shaped limiting plate 10 is provided with a U-shaped groove, the surface of the U-shaped groove is provided with a movable groove 11, a sleeve seat 12 is fixedly arranged in the U-shaped limiting plate 10 near the movable groove 11, and the inner part of the U-shaped limiting plate 10 is positioned on the surface of the sleeve seat 12 to rotate; the U-shaped limiting plate is connected with a hook plate 13, a ratchet wheel 14 is rotationally connected in the U-shaped limiting plate 10, a stretching rod 17 is rotationally connected to the surface of the ratchet wheel 14, when two groups of U-shaped limiting plates 10 are additionally arranged, a U-shaped groove can be enabled to be downwards abutted to a pin shaft 1 body until the pin shaft 1 is attached to a U-shaped groove opening, in the process, when the pin shaft 1 is contacted with the hook plate 13, the pin shaft is pushed to overturn around the axis of the pin shaft, after half an overturn, the other group of plate bodies of the hook plate 13 are coated on the surface of the pin shaft 1 and are matched with the opening of the U-shaped groove to coat the pin shaft 1;
the surface of the pin shaft 1 is welded and fixed with annular limiting plates 2 near the edges of the two ends, triangular plates 3 are symmetrically welded and fixed on the opposite faces of the two annular limiting plates 2, and the annular limiting plates 2 respectively arranged at the two ends of the pin shaft 1 can be used for limiting lateral displacement of the surface of the pin shaft 1. The limiting plate is welded with the pin shaft 1, 4 triangular plates are arranged to strengthen the annular limiting plate 2, and two right-angle surfaces of the triangular plate 3 are welded and fixed with the pin shaft 1 and the limiting plate respectively;
the inner side surfaces of the outer steel casings 4 are symmetrically welded and fixed with inner clamping rings 5, the number of the inner clamping rings 5 is three, the surfaces of the inner clamping rings 5 are slidably connected with first limiting plates 6, the outer side surfaces of the first limiting plates 6 are provided with clamping grooves 7, the inner side surfaces of the first limiting plates 6 are embedded and fixed with auxiliary ball bearings 8, the three inner clamping rings 5 are matched with the outer steel casings 4 to form a chain guide wheel main roller, the inner diameter of each ball bearing 8 is about five millimeters larger than the diameter of each pin shaft 1, and in the using process, lubricating liquid is injected into the surfaces of the ball bearings 8 or gaps between the ball bearings and the pin shafts 1, so that damping can be reduced, the chain guide wheel main roller can smoothly roll around the pin shafts 1, and the chain guide wheel main roller is suitable for laying operation of large anchor chains;
the auxiliary roller 9 comprises three second limiting plates, the inner diameter of each second limiting plate is equal to that of each ball bearing 8, and the three second limiting plates are welded into a whole, so that the auxiliary roller can serve as an auxiliary roller for laying operation of small-size anchor chains, and the inner diameter of the auxiliary roller is equal to that of each ball bearing 8, and lubricating liquid can be conveniently added, so that the situation that the roller is worn due to overlarge friction in the laying operation of the small-size anchor chains is effectively avoided;
the U-shaped limiting plate 10 is provided with a slot on one end surface, the surface of the slot is provided with a latch 15, the slotted surface is rotationally connected with a linkage disc 16, the hook plate 13 is fixedly connected with a extension rod 17, one end of the extension rod 17 is in embedded connection with a sleeve seat 12, the surface of the linkage disc 16 is fixedly connected with a spring piece 18 near the edge, the surface of the linkage disc 16 is located on one side of the spring piece 18 and rotationally connected with a ratchet 19, the spring piece 18 is fixedly connected with the ratchet 19, in the process of placing the U-shaped limiting plate 10, when the hook plate 13 rotates for half a circle, a plate body on the surface of the hook plate is matched with a U-shaped slot to limit the surface of the pin shaft 1, in the process, the extension rod 17 is fixedly connected with the hook plate 13, the linkage disc 16 rotates along with the extension rod, meanwhile, the ratchet 19 is continuously rotated on the surface of the ratchet 14 under the pushing action of the spring piece 18, and when the pin shaft 1 is pushed out of the surface of the U-shaped limiting plate 10, the ratchet 19 is limited, so that the U-shaped limiting plate 10 is separated from the surface of the ratchet 14 in the use, and the U-shaped limiting plate 10 can be unscrewed and screwed with the ratchet 14 in the process of the U-shaped limiting plate.
The working principle of the invention is as follows: in the structure of the device, three inner clamping rings 5 are matched with an outer steel casing 4 to form a guide chain wheel main roller, the inner diameter of a ball bearing 8 is about five millimeters larger than the diameter of a pin shaft 1, in the use process, lubricating liquid is injected into the surface of the ball bearing 8 or a gap between the ball bearing 8 and the pin shaft 1, damping can be reduced, the guide chain wheel main roller can smoothly roll around the pin shaft 1, the guide chain wheel main roller is suitable for the laying operation of a large-size anchor chain, three second limiting plates are welded into a whole and can serve as auxiliary rollers for the laying operation of a small-size anchor chain, the inner diameter of the auxiliary rollers is equal to the inner diameter of the ball bearing 8, the lubricating liquid can be conveniently added, the situation that roller abrasion is caused in the laying operation of the small-size anchor chain because of overlarge friction is effectively avoided, when two groups of U-shaped limiting plates 10 are additionally arranged, the U-shaped grooves can be downwards butt-jointed with the pin shaft 1 body, until the pin shaft 1 is attached to the notch of the U-shaped groove, in the process, when the pin shaft 1 is in contact with the hook plate 13, the pin shaft 1 is pushed to turn around the axis of the pin shaft, after half turn of turn, the other group of plate bodies of the hook plate 13 are coated on the surface of the pin shaft 1 and matched with the notch of the U-shaped groove to coat the U-shaped groove, in the process of placing the U-shaped limiting plate 10, when the hook plate 13 rotates for half turn, the plate bodies on the surface of the hook plate 13 are matched with the notch of the U-shaped groove to limit the surface of the pin shaft 1, in the process, the extension rod 17 is fixedly connected with the hook plate 13, the linkage disc 16 rotates along with the rotation of the extension rod, meanwhile, the ratchet 19 is continuously rotated on the surface of the ratchet wheel 14 under the pushing action of the spring piece 18, when the pin shaft 1 is pushed out of the surface of the U-shaped limiting plate 10, the ratchet 19 is clamped on the surface of the ratchet wheel 14 to limit the U-shaped limiting plate 10, so that the U-shaped limiting plate 10 is prevented from being separated from the surface of the pin shaft 1 in the use process, when the U-shaped limiting plate 10 is required to be dismounted subsequently, screws connected with the surfaces of the ratchet wheels 14 can be unscrewed, so that the screws can freely rotate, when large-size anchor chain laying operation is performed, the U-shaped limiting plates 10 on two sides are inserted into gaps between the main rollers and anchor chain laying tools, the lying chain rings are positioned above the main rollers, the vertical chain rings are embedded into the gaps between the main rollers, and when small-size anchor chain laying is performed, the U-shaped limiting plates 10 on two sides are pulled out, the rollers 9 and the main rollers move to two sides, so that the lying chain rings are positioned above the rollers 9, the vertical chain rings are embedded into the gaps between the rollers 9, and adjustment of the guide rollers is completed.
The foregoing describes one embodiment of the present invention in detail, but the disclosure is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (5)
1. The low-damping self-adaptive chain guide roller comprises a pin shaft (1), and is characterized in that an outer steel protection cylinder (4) is sleeved on the surface of the pin shaft (1), a secondary roller (9) is sleeved on one side of the outer steel protection cylinder (4) on the surface of the pin shaft (1), a U-shaped limiting plate (10) is sleeved on the other side of the outer steel protection cylinder (4) on the surface of the pin shaft (1), and the number of the outer steel protection cylinders (4) is two;
the surface of the U-shaped limiting plate (10) is provided with a U-shaped groove, the surface of the U-shaped groove is provided with a movable groove (11), a sleeve seat (12) is fixedly arranged in the U-shaped limiting plate (10) close to the movable groove (11), and the inner part of the U-shaped limiting plate (10) is positioned on the surface of the sleeve seat (12) to rotate; the novel U-shaped limiting plate is characterized in that a hook plate (13) is connected, a ratchet wheel (14) is rotatably connected to the inside of the U-shaped limiting plate (10), and a stretching rod (17) is rotatably connected to the surface of the ratchet wheel (14).
2. The low-damping self-adaptive chain guide roller according to claim 1, wherein annular limiting plates (2) are welded and fixed on the surfaces of the pin shafts (1) close to the edges of two ends, and triangular plates (3) are symmetrically welded and fixed on opposite surfaces of the two annular limiting plates (2).
3. The low-damping self-adaptive chain guide roller according to claim 1, wherein inner clamping rings (5) are symmetrically welded and fixed on the inner side surface of the outer steel protective cylinder (4), the number of the inner clamping rings (5) is three, the surfaces of the inner clamping rings (5) are slidably connected with first limiting plates (6), clamping grooves (7) are formed in the outer side surfaces of the first limiting plates (6), and auxiliary ball bearings (8) are embedded and fixed on the inner side surfaces of the first limiting plates (6).
4. A low damping adaptive chain guide roller according to claim 3, characterized in that the secondary roller (9) comprises a second limiting plate, the number of which is three, the inner diameter of which is equal to the ball bearing (8).
5. The low-damping self-adaptive chain guide roller according to claim 1, wherein a slot is formed in one end surface of the U-shaped limiting plate (10), a latch (15) is arranged on the slotted surface, a linkage disc (16) is rotationally connected to the slotted surface, the hook plate (13) is fixedly connected with the extension rod (17), one end of the extension rod (17) is connected with the sleeve seat (12) in an embedded mode, a spring piece (18) is fixedly connected to the surface of the linkage disc (16) close to the edge, a ratchet (19) is rotationally connected to one side of the spring piece (18) on the surface of the linkage disc (16), and the spring piece (18) is fixedly connected with the ratchet (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310030834.6A CN116080822B (en) | 2023-01-10 | Low-damping self-adaptive chain guide roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310030834.6A CN116080822B (en) | 2023-01-10 | Low-damping self-adaptive chain guide roller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116080822A true CN116080822A (en) | 2023-05-09 |
| CN116080822B CN116080822B (en) | 2024-06-07 |
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Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5275379A (en) * | 1992-02-14 | 1994-01-04 | Mcaleer Roger W | Wildcat chain hoist with whelps, pockets, and movable drum halves |
| EP1466825A1 (en) * | 2003-04-08 | 2004-10-13 | John Edward Grainger | Anchor roller |
| JP2005132316A (en) * | 2003-10-31 | 2005-05-26 | T S Tec Kk | Lock device for vehicle seat |
| KR20110133214A (en) * | 2010-06-04 | 2011-12-12 | 삼성중공업 주식회사 | Fair lead for ships |
| KR20120128514A (en) * | 2011-05-17 | 2012-11-27 | 삼성중공업 주식회사 | Anchor chain stopping apparatus |
| US20130298521A1 (en) * | 2012-05-11 | 2013-11-14 | Kanghua Sun | Mooring Chain Connecting Link |
| CN105923105A (en) * | 2016-05-17 | 2016-09-07 | 芜湖造船厂有限公司 | Adjustable chain guiding wheel for ship |
| CN107001015A (en) * | 2014-11-14 | 2017-08-01 | 麦基嘉挪威公司 | Chain guide and the chain winch including this chain guide |
| WO2017139749A1 (en) * | 2016-02-12 | 2017-08-17 | O'rourke Charlie | Rotary chain jack that maintains tension in a mooring line/chain |
| CN108820057A (en) * | 2018-08-21 | 2018-11-16 | 宁波汇众汽车车桥制造有限公司 | A kind of cab turning mechanism assembly |
| CN110329432A (en) * | 2019-06-21 | 2019-10-15 | 湖南桃花江游艇制造有限公司 | A kind of anchor chain guiding device |
| CN210177412U (en) * | 2019-06-19 | 2020-03-24 | 陈金龙 | One-way current full-height rotary brake |
| RU2771390C1 (en) * | 2022-03-14 | 2022-05-04 | Владимир Леонидович Морозов | Anchor winch |
| CN217918309U (en) * | 2022-08-11 | 2022-11-29 | 中交四航局第二工程有限公司 | Ship anchor equipment chain guide |
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5275379A (en) * | 1992-02-14 | 1994-01-04 | Mcaleer Roger W | Wildcat chain hoist with whelps, pockets, and movable drum halves |
| EP1466825A1 (en) * | 2003-04-08 | 2004-10-13 | John Edward Grainger | Anchor roller |
| JP2005132316A (en) * | 2003-10-31 | 2005-05-26 | T S Tec Kk | Lock device for vehicle seat |
| KR20110133214A (en) * | 2010-06-04 | 2011-12-12 | 삼성중공업 주식회사 | Fair lead for ships |
| KR20120128514A (en) * | 2011-05-17 | 2012-11-27 | 삼성중공업 주식회사 | Anchor chain stopping apparatus |
| US20130298521A1 (en) * | 2012-05-11 | 2013-11-14 | Kanghua Sun | Mooring Chain Connecting Link |
| CN107001015A (en) * | 2014-11-14 | 2017-08-01 | 麦基嘉挪威公司 | Chain guide and the chain winch including this chain guide |
| WO2017139749A1 (en) * | 2016-02-12 | 2017-08-17 | O'rourke Charlie | Rotary chain jack that maintains tension in a mooring line/chain |
| CN105923105A (en) * | 2016-05-17 | 2016-09-07 | 芜湖造船厂有限公司 | Adjustable chain guiding wheel for ship |
| CN108820057A (en) * | 2018-08-21 | 2018-11-16 | 宁波汇众汽车车桥制造有限公司 | A kind of cab turning mechanism assembly |
| CN210177412U (en) * | 2019-06-19 | 2020-03-24 | 陈金龙 | One-way current full-height rotary brake |
| CN110329432A (en) * | 2019-06-21 | 2019-10-15 | 湖南桃花江游艇制造有限公司 | A kind of anchor chain guiding device |
| RU2771390C1 (en) * | 2022-03-14 | 2022-05-04 | Владимир Леонидович Морозов | Anchor winch |
| CN217918309U (en) * | 2022-08-11 | 2022-11-29 | 中交四航局第二工程有限公司 | Ship anchor equipment chain guide |
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