CN218929720U - Anchor chain stopping device - Google Patents
Anchor chain stopping device Download PDFInfo
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- CN218929720U CN218929720U CN202223137759.3U CN202223137759U CN218929720U CN 218929720 U CN218929720 U CN 218929720U CN 202223137759 U CN202223137759 U CN 202223137759U CN 218929720 U CN218929720 U CN 218929720U
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- chain
- pressing block
- upper pressing
- anchor
- anchor chain
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Abstract
The utility model discloses an anchor chain stopping device, which relates to the field of ocean engineering and comprises a chain frame base, a chain assembly and a cylinder; the chain frame base is provided with a chain guide groove; the chain assembly is arranged in the chain guide groove, the chain assembly comprises an upper pressing block and a lower pressing block, the lower pressing block is fixed at the bottom of the chain guide groove, the upper pressing block is positioned above the lower pressing block, one end of the upper pressing block is movably pivoted between the chain guide grooves, the other end of the upper pressing block is connected with a connecting column, and the power output end of the air cylinder is in transmission connection with the connecting column; the anchor chain is placed in the chain guide groove of the chain frame base and passes through the space between the upper pressing block and the lower pressing block, and the upper pressing block is driven to be close to or far away from the lower pressing block by controlling the telescopic rod of the air cylinder to stretch out and draw back. The upper pressing block and the lower pressing block of the chain assembly are installed at the space position of the chain guide groove on the chain frame base, and the upper pressing block is driven to be close to or far away from the lower pressing block through the extension and retraction of the control cylinder, so that the anchor chain is in a locking or loosening state.
Description
Technical Field
The utility model relates to the field of ocean engineering, in particular to an anchor chain stopping device.
Background
In recent years, wind power development on land and off-shore is gradually saturated, and wind power development in deep and open sea becomes a trend of wind power development in the future. However, as the depth of water increases and near shore resource development tends to saturate, the disadvantages of the fixed fan foundation are apparent, and the floating fan foundation becomes the best choice. However, developing floating fans faces many technical challenges, europe has conducted offshore floating prototype tests as early as ten years ago, has accumulated a lot of design experience, and may not be put into mass production at present. The floating type fan is fixed on the seabed by adopting a mooring system, and the fan platform moves within a certain range under the action of wind and waves.
The existing mooring system comprises a chain lifting device (anchor), a guide wheel, an anchor chain and an anchoring device. The chain lifting device is arranged on a platform of the floating fan and is used for linearly and reciprocally winding and unwinding and tensioning an anchor chain. The guide wheel is arranged at the periphery of the platform of the floating fan and used for guiding the anchor chain. The anchor chain is used for connecting the chain lifting device and the anchoring device. An anchor is mounted on the sea floor for securing the floating wind turbine to the sea floor. The most commonly used types of anchors are suction pile anchors and suction embedded plate anchors. Because the existing mooring system does not have a compensation function, under severe weather, huge stormy waves cause the anchor chain to damage the guide wheel along with the swing of sea waves and waves or the anchor chain to break, so that a floating fan has huge potential safety hazard. Meanwhile, the anchor chain is often switched between a tight state and a loose state, and the service life of the anchor chain is greatly influenced. Therefore, it is highly desirable to design a chain stopper device capable of timely braking a chain after the chain tension state is adjusted by the chain lifting device.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide an anchor chain stopping device.
The utility model adopts the following technical scheme: an anchor chain stopping device comprises a chain frame base, a chain assembly and a cylinder; the chain frame base is provided with a chain guide groove; the chain assembly is arranged in the chain guide groove and comprises an upper pressing block and a lower pressing block, the lower pressing block is fixed at the bottom of the chain guide groove, the upper pressing block is positioned above the lower pressing block, one end of the upper pressing block is movably pivoted between the chain guide grooves, the other end of the upper pressing block is connected with a connecting column, and the power output end of the air cylinder is in transmission connection with the connecting column; the anchor chain is placed in the chain guide groove of the chain frame base, passes through the upper pressing block and the lower pressing block, and drives the upper pressing block to be close to or far away from the lower pressing block through the expansion link of the control cylinder, so that the anchor chain is in a locking or loosening state.
Further, the chain frame base comprises a bottom plate and two vertical plates which are vertically arranged on two sides of the bottom plate respectively; the chain guide groove is formed between the two upright plates.
Further, the lower pressing block is fixed on the bottom plate, arc grooves are correspondingly formed in the two upright plates, one end of the upper pressing block is movably pivoted between the two upright plates, and a connecting column at the other end of the upper pressing block correspondingly extends out of the arc grooves and is in transmission connection with the power output end of the air cylinder; the cylinder is installed in the upright plate and is kept away from the side of chain guide groove.
Further, the anchor chain stopping device also comprises a guide block and a guide roller; the guide block and the guide roller are both fixed in the guide chain groove, the guide block is positioned at one side of the anchor chain penetrating end, and the guide roller is positioned at one side of the anchor chain penetrating end.
Further, the lower pressing block is fixed on the bottom plate, and the bottom plate is provided with a hawse hole.
Further, the anchor chain stopping device further comprises an anchor chain clamping assembly, wherein the anchor chain clamping assembly comprises a lock chain plate and a driving motor; two connecting rods are arranged on one side of the chain plate, and a chain clamping notch is formed on the other side of the chain plate; the chain plate is movably pivoted between the chain guide grooves through two connecting rods, and one connecting rod is in transmission connection with the power output end of the driving motor; the zipper notch is partially overlapped with the zipper hole in a clamping state.
Further, the chain clamping notch is a Y-shaped notch, and a limiting groove is concavely formed in the bottom of the Y-shaped notch.
Further, the anchor chain stopper further comprises a protective cover, and the protective cover is arranged on the cylinder.
Further, the anchor chain stopper further comprises a pressure sensor.
Further, the anchor chain stopper further comprises a stress sensor.
Compared with the prior art, the utility model has the beneficial effects that:
the upper pressing block and the lower pressing block of the chain assembly are installed at the space position of the chain guide groove on the chain frame base, the upper pressing block and the lower pressing block penetrate through the anchor chain, the upper pressing block is driven to be close to or far away from the lower pressing block by the control cylinder to achieve the effect that the anchor chain is in a locking or loosening state.
Specifically, when the floating fan encounters severe weather, the anchor chain stopping device can timely brake the anchor chain after adjusting the tightness state of the anchor chain according to the stress condition of the anchor chain. The specific process is as follows: when the chain lifting device needs to retract and release the anchor chain, the cylinder shaft of the cylinder drives the connecting column to move upwards, and the connecting column drives the upper pressing block to move, so that the upper pressing block loosens the anchor chain, and the chain lifting device can retract and release the anchor chain; when the anchor chain does not need to be folded and unfolded, the cylinder shaft of the cylinder drives the upper pressing block to move downwards, so that the upper pressing block tightly presses the anchor chain, the anchor chain is locked under the action of the upper pressing block and the lower pressing block, the effect of timely braking is achieved, and meanwhile the device can be used for preventing the anchor chain from being folded and unfolded suddenly when the chain lifting device breaks down.
Drawings
FIG. 1 is a schematic view of a preferred embodiment of the anchor chain stopper according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a preferred embodiment of the anchor chain stopper of the present utility model;
FIG. 3 is a schematic view of an alternate angle of the chain stopper according to the preferred embodiment of the present utility model;
fig. 4 is a schematic structural view of a link plate in the anchor chain stopper according to the preferred embodiment of the present utility model.
In the figure: 1. a chain frame base; 11. a bottom plate; 12. an upstanding plate; 13. a chain guide groove; 14. an arc-shaped groove; 15. a hawse hole; 2. a chain assembly; 21. pressing into blocks; 22. pressing the block; 3. a cylinder; 4. a connecting column; 5. a guide block; 6. a guide roller; 7. an anchor chain locking assembly; 71. a lock link plate; 711. a connecting rod; 712. a chain clamping notch; 713. a limit groove; 72. a driving motor; 8. a protective cover; 9. a pressure sensor; 10. stress sensor.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
As shown in fig. 1-4, an anchor chain stopper comprises a chain frame base 1, a chain assembly 2 and a cylinder 3; the chain frame base 1 is provided with a chain guide groove 13; the chain assembly 2 is arranged in the chain guide groove 13, the chain assembly 2 comprises an upper pressing block 21 and a lower pressing block 22, the lower pressing block 22 is fixed at the bottom of the chain guide groove 13, the upper pressing block 21 is positioned above the lower pressing block 22, one end of the upper pressing block 21 is movably pivoted between the chain guide grooves 13, the other end of the upper pressing block 21 is provided with a connecting column 4, and the power output end of the air cylinder 3 is in transmission connection with the connecting column 4; the anchor chain is placed in the chain guide groove 13 of the chain frame base 1, passes through the space between the upper pressing block 21 and the lower pressing block 22, and drives the upper pressing block to be close to or far away from the lower pressing block 22 by controlling the telescopic rod of the air cylinder 3 to stretch out and draw back, so that the anchor chain is in a locking or loosening state.
The upper pressing block and the lower pressing block of the chain assembly 2 are installed at the space position of the chain guide groove 13 on the chain frame base 1, an anchor chain passes through the space between the upper pressing block 22 and the lower pressing block 22, and the upper pressing block is driven to be close to or far away from the lower pressing block 22 by the extension and retraction of the control cylinder 3, so that the anchor chain is in a locking or loosening state.
When the floating fan encounters severe weather, the anchor chain stopping device can timely brake the anchor chain after adjusting the tightness state of the anchor chain according to the stress condition of the anchor chain. The specific process is as follows: when the chain lifting device needs to retract and release the anchor chain, the cylinder shaft of the cylinder 3 drives the connecting column 4 to move upwards, and the connecting column 4 drives the upper pressing block 21 to move, so that the upper pressing block 21 loosens the anchor chain, and the chain lifting device can retract and release the anchor chain; when the anchor chain does not need to be folded and unfolded, the cylinder shaft of the cylinder 3 drives the upper pressing block 21 to move downwards, so that the upper pressing block 21 tightly presses the anchor chain, the anchor chain is locked under the action of the upper pressing block 21 and the lower pressing block 22, the effect of timely braking is achieved, and meanwhile the anchor chain folding and unfolding device can be used for preventing the anchor chain from being folded and unfolded suddenly when the chain lifting device breaks down.
As a further preferable scheme, the chain frame base 1 comprises a bottom plate 11 and two upright plates 12 which are respectively and vertically arranged at two sides of the bottom plate 11; the chain guide groove 13 is formed between the two upright plates 12. This application sets up through the position between two upright plates 12 and the bottom plate, forms narrow chain guide groove 13, and this chain guide groove 13 provides certain accommodation space for the crossing of anchor chain on the one hand, plays chain guide effect, and on the other hand this space design also makes things convenient for the installation of chain assembly 2.
In this embodiment, the mounting relationship between the upper press block 21, the lower press block 22, the cylinder 3, the bottom plate 11, and the upright plate 12 is as follows: the lower pressing block 22 is fixed on the bottom plate 11, arc grooves 14 are correspondingly formed in the two upright plates 12, one end of the upper pressing block 21 is movably pivoted between the two upright plates 12, and the connecting column 4 at the other end of the upper pressing block 21 correspondingly extends out of the arc grooves 14 and is in transmission connection with the power output end of the air cylinder 3; the cylinder 3 is mounted on the side of the upstanding plate 12 remote from the chain guide slot 13.
As a further preferable scheme, the anchor chain stopping device also comprises a guide block 5 and a guide roller 6; the guide blocks 5 and the guide rollers 6 are fixed in the guide chain groove 13, the guide blocks 5 are positioned on one side of the anchor chain penetrating end, and the guide rollers 6 are positioned on one side of the anchor chain penetrating end. The guide block 5 and the guide roller 6 are arranged to meet the positioning of the anchor chain, play a role in guiding the anchor chain to be retracted and released in a preset track, and improve the smoothness of the retraction and release of the anchor chain.
As a further preferable scheme, the lower pressing block 22 is fixed on the bottom plate 11, and the bottom plate 11 is provided with a hawse hole 15 and is positioned below the guide roller 6.
As a further preferable scheme, in order to further improve the locking effect of the chain stopper, the chain stopper further comprises a chain locking assembly 7, wherein the chain locking assembly 7 comprises a chain locking plate 71 and a driving motor 72; two connecting rods 711 are arranged on one side of the chain plate 71, and a chain clamping notch 712 is arranged on the other side of the chain plate; the chain plate 71 is movably pivoted between the chain guide grooves 13 through two connecting rods, wherein one connecting rod is in transmission connection with the power output end of the driving motor 72; the clip chain notch 712 partially overlaps the anchor chain hole 15 in the locked state. When the power output shaft of the driving motor 72 rotates, the lock link plate 71 is driven to incline towards the hawse hole 15 and is covered on the hawse hole 15, the aperture of the hawse hole 15 is reduced, and two adjacent lock rings on the hawse are clamped into the clamp chain notch 712, so that the hawse is further locked, and the movement of the hawse is prevented.
As a further preferable scheme, the chain clamping notch 712 is a Y-shaped notch, and a limiting groove 713 is concavely arranged at the bottom of the Y-shaped notch. The upper portion of Y type breach is the V style of calligraphy, and the chain board 71 descends gradually, and the hawse hole 15 narrows gradually, and the V style of calligraphy breach plays certain guide effect at this in-process, finally makes two adjacent catch of hawse just block in the lower part of Y type breach, and the lower part of Y type breach is "ten" font with the length direction of spacing groove, just is used for two adjacent catch of joint, and locking effect is more excellent.
As a further preferred solution, the chain stopper device further comprises a protective cover 8, said protective cover 8 being arranged over the cylinder 3. The protective cover is designed to protect the cylinder 3.
As a further preferred solution, the anchor chain stopper further comprises a pressure sensor 9 and a stress sensor 10, the pressure sensor 9 being mounted on the bottom plate 11 of the chain frame base 1, the stress sensor 10 being mounted in the shaft of the guide roller 6. When the anchor chain is stressed and tightened, excessive pressure is applied to the anchor chain plate 71 and the guide roller 6, the stress sensor and the pressure sensor detect the force, the PLC collects sensor signals at high speed, the anchor chain tension is calculated, when the anchor chain tension is excessive, the anchor chain components such as the anchor chain plate 71 are controlled to be loosened, the anchor chain is loosened, when the anchor chain is loosened to a certain extent, the value of the stress sensor on the roller is within a threshold value, the chain is stopped, the anchor chain locking is controlled by the anchor chain components such as the anchor chain plate 71, the upper pressing block 22 and the like, and the anchor chain is stopped. When the anchor chain is too loose, a small pressure is applied to the chain plate 71 and the guide roller 6, the chain components such as the chain plate 71 and the upper pressing block 22 are controlled to be loosened, chain collection is started, and when the anchor chain is loosened to a certain extent, the value of the stress sensor on the guide roller 6 is within a threshold value, chain collection is stopped, and the chain components are locked.
The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.
Claims (10)
1. The anchor chain stopping device is characterized by comprising a chain frame base, a chain assembly and an air cylinder; the chain frame base is provided with a chain guide groove; the chain assembly is arranged in the chain guide groove and comprises an upper pressing block and a lower pressing block, the lower pressing block is fixed at the bottom of the chain guide groove, the upper pressing block is positioned above the lower pressing block, one end of the upper pressing block is movably pivoted between the chain guide grooves, the other end of the upper pressing block is connected with a connecting column, and the power output end of the air cylinder is in transmission connection with the connecting column; the anchor chain is placed in the chain guide groove of the chain frame base, passes through the upper pressing block and the lower pressing block, and drives the upper pressing block to be close to or far away from the lower pressing block through the expansion link of the control cylinder, so that the anchor chain is in a locking or loosening state.
2. The anchor chain stopper of claim 1, wherein the chain frame base comprises a bottom plate, two upright plates respectively arranged upright on both sides of the bottom plate; the chain guide groove is formed between the two upright plates.
3. The anchor chain stopper according to claim 2, wherein the lower pressing block is fixed on the bottom plate, arc-shaped grooves are correspondingly formed in the two upright plates, one end of the upper pressing block is movably pivoted between the two upright plates, and a connecting column at the other end of the upper pressing block correspondingly extends out of the arc-shaped grooves and is in transmission connection with the power output end of the air cylinder; the cylinder is installed in the upright plate and is kept away from the side of chain guide groove.
4. A chain stopper device as claimed in any one of claims 1 to 3, further comprising a guide block, a guide roller; the guide block and the guide roller are both fixed in the guide chain groove, the guide block is positioned at one side of the anchor chain penetrating end, and the guide roller is positioned at one side of the anchor chain penetrating end.
5. A hawse stopper according to any one of claims 1 to 3, wherein the lower pressure block is secured to a base plate, the base plate being provided with hawse holes.
6. The chain stopper device of claim 5 further comprising a chain stopper assembly comprising a lock link plate and a drive motor; two connecting rods are arranged on one side of the chain plate, and a chain clamping notch is formed on the other side of the chain plate; the chain plate is movably pivoted between the chain guide grooves through two connecting rods, and one connecting rod is in transmission connection with the power output end of the driving motor; the zipper notch is partially overlapped with the zipper hole in a clamping state.
7. The anchor chain stopper of claim 6, wherein the chain clamping notch is a Y-notch, and a limiting groove is concavely formed in the bottom of the Y-notch.
8. A chain stopper device as claimed in any one of claims 1 to 3, further comprising a protective cover provided over the cylinder.
9. A chain stopper device as claimed in any one of claims 1 to 3, further comprising a pressure sensor.
10. A chain stopper device as claimed in any one of claims 1 to 3, further comprising a stress sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223137759.3U CN218929720U (en) | 2022-11-24 | 2022-11-24 | Anchor chain stopping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223137759.3U CN218929720U (en) | 2022-11-24 | 2022-11-24 | Anchor chain stopping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218929720U true CN218929720U (en) | 2023-04-28 |
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ID=86087584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223137759.3U Active CN218929720U (en) | 2022-11-24 | 2022-11-24 | Anchor chain stopping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218929720U (en) |
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- 2022-11-24 CN CN202223137759.3U patent/CN218929720U/en active Active
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