CN117923342A - Passive heave compensation system for deep submersible vehicle - Google Patents
Passive heave compensation system for deep submersible vehicle Download PDFInfo
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- CN117923342A CN117923342A CN202211266879.5A CN202211266879A CN117923342A CN 117923342 A CN117923342 A CN 117923342A CN 202211266879 A CN202211266879 A CN 202211266879A CN 117923342 A CN117923342 A CN 117923342A
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- winch
- compensation system
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- heave compensation
- passive heave
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- 230000009471 action Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 1
- 230000009189 diving Effects 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The invention belongs to the technical field of heave passive compensation, and particularly relates to a passive heave compensation system for a deep submersible, which comprises a winch, a compensation device arranged on one side of the winch, an A-shaped frame arranged on one side of the winch away from the compensation device and a hoisting rope, wherein the compensation device comprises: the compensating device is arranged on one side of the winch, which is away from the A-shaped frame, so that occupation of the front area of the winch can be saved, enough space is provided for storing a deep sea submersible vehicle, collision risk can be greatly reduced, and enough protection effect is achieved; the oil cylinder pushes the rotating arm to do fan-shaped swing, so that the hoisting rope is kept in a tightening state, the large relative displacement between diving equipment and a ship is avoided, the rotating arm and the oil cylinder are provided with supporting points, and the stability is higher.
Description
Technical Field
The invention belongs to the technical field of heave passive compensation, and particularly relates to a passive heave compensation system for a deep submersible.
Background
When the deep submersible vehicle performs tasks such as underwater investigation, submarine exploration, submarine development, salvage and lifesaving, a lifting and releasing device is needed. However, in the ocean, sea conditions are changeable and complex, the ship can present complex relative motions such as rolling, pitching, heave and the like, the deep submersible vehicle in lifting and lowering can generate larger relative displacement with the ship body, equipment collision is likely to occur, the deep submersible vehicle is damaged, the deep submersible vehicle is large in size, heavy in weight and high in protection requirement, and therefore, when the deep submersible vehicle is lifted, the lifting storage space and protection are particularly important.
The existing passive compensation system is characterized in that the passive compensation device is arranged in front of the winch, the passive compensation device and the guide wheel of the design occupy more front space of the winch, the passive compensation system is suitable for hoisting other small underwater equipment with less occupied space, and for large-sized deep submarines, the front space of the winch is precious. Meanwhile, due to the fact that the deep submersible vehicle has high protection requirements, if more front space of the winch is occupied, collision risks of hoisting ropes or other devices and the deep submersible vehicle can be increased. In addition, the existing compensation system adopts a structure with double pulleys at two ends of a single oil cylinder, and meanwhile, the fixed supporting point of a compensation device is only 1 or 0 (floating), so that the structure has no problem on compensating small and medium-sized equipment and loads, but part of deep sea submarines belong to large-sized equipment, and the structure, the service life and the stability of the oil cylinder can be influenced by overlarge loads due to large size and heavy weight.
Disclosure of Invention
The invention aims to solve the technical problem of providing a passive heave compensation system for a deep submersible vehicle, which has the advantages of strong stability, large compensation load, small occupied hoisting storage space and capability of reducing collision risk.
Based on the above object, the present invention provides a passive heave compensation system for a deep submersible vehicle, comprising:
A winch;
The compensation device of setting in winch one side, compensation device includes: the device comprises a base arranged on an operation platform, at least one oil cylinder connected with the base, a rotating arm rotatably arranged with the oil cylinder and a pulley I arranged on the rotating arm, wherein the rotating arm can swing in a fan shape under the action of external force;
The A-shaped frame is arranged at one side of the winch far away from the compensation device, and a pulley II is arranged on the A-shaped frame; and
And one end of the hoisting rope is connected with the winch, and the other end of the hoisting rope bypasses the pulley I and the pulley II to be connected to equipment to be hoisted.
Optionally, the oil cylinder main body is hinged with the base, the output end of the oil cylinder is hinged with the rotating arm, the end part of the rotating arm is hinged with the base, and the base, the oil cylinder and the rotating arm form a triangle structure.
Optionally, the output ends of the two parallel cylinders are hinged with the rotating arm.
Optionally, the whole triangle-shaped structure that is of rotor arm, the top of rotor arm is connected with pulley rotation.
Optionally, the compensation device further comprises an energy accumulator, wherein the energy accumulator is communicated with a hydraulic system of the oil cylinder and is used for providing adjusting pressure for the oil cylinder.
Optionally, the passive heave compensation system further comprises a guiding assembly, wherein the guiding assembly is arranged between the winch and the compensation device; or alternatively
The guide assembly is arranged between the winch and the A-shaped frame; the guide assembly is used for supporting the hoisting rope.
Optionally, the guide assembly includes: the hoisting rope can be clung to the upper part of the pulley III when the hoisting rope is used.
Optionally, the guide assembly further comprises a guide plate arranged on the support, and the guide plate is used for guiding the hoisting rope to accurately enter the wheel groove of the pulley III when falling.
Optionally, the guide surface of the guide plate is in an open type V shape.
Optionally, the a-frame is rotatably disposed at an end of the work platform.
The beneficial effects of the invention are as follows: the compensation device for the passive heave compensation system of the deep-sea submersible vehicle is arranged on one side of the winch, which is away from the A-shaped frame, namely, one side of the winch, which is away from the bow, so that the occupation of the front area of the winch can be greatly saved, enough space is provided for storing the deep-sea submersible vehicle, collision risk can be greatly reduced, and the sufficient protection effect is achieved; when the diving equipment is lifted or lowered, the ship shakes, and then the oil cylinder pushes the rotating arm to do fan-shaped swing, so that the hoisting rope is kept in a tightening state, the diving equipment and the ship are prevented from relatively displacing, the rotating arm and the oil cylinder are provided with supporting points, and the device is more suitable for the requirements of heavy load and severe deep sea working conditions and has higher stability.
Drawings
FIG. 1 is a schematic diagram of a passive heave compensation system according to an embodiment of the invention;
Fig. 2 is a schematic structural view of a rotating arm according to an embodiment of the present invention;
Fig. 3 is a schematic structural diagram of a second pulley and a guide plate according to an embodiment of the present invention.
In the figure: 10. a winch; 20. a compensation device; 21. a base; 22. an oil cylinder; 23. a rotating arm; 24. a pulley I; 25. an accumulator; 30. a frame A; 31. a second pulley; 40. hoisting ropes; 50. diving equipment; 60. a guide assembly; 61. a bracket; 62. a third pulley; 63. a guide plate; 631. a guide surface.
Detailed Description
The present invention will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent.
As shown in fig. 1, the present invention provides a passive heave compensation system for a deep submersible vehicle, comprising: the winch 10, the compensation device 20 that sets up in winch 10 one side, set up in the winch 10 keep away from the A type frame 30 and the hoist rope 40 of compensation device 20 one side, wherein, compensation device 20 includes: the device comprises a base 21 arranged on an operation platform, at least one oil cylinder 22 connected with the base 21, a rotating arm 23 rotatably arranged with the oil cylinder 22, and a pulley I24 arranged on the rotating arm 23, wherein the rotating arm 23 can swing in a fan shape under the action of external force; the A-shaped frame 30 is provided with a pulley II 31; one end of the hoisting rope 40 is connected with the winch 10, and the other end is connected to the equipment to be hoisted by passing around the pulley one 24 and the pulley two 31.
Compared with the prior art, the compensation device 20 of the passive heave compensation system for the deep sea diving apparatus is arranged on one side of the winch 10, which is far away from the A-shaped frame 30, namely, one side far away from the bow, so that the occupation of the front area of the winch 10 can be greatly saved, enough space is provided for storing the deep sea diving apparatus, collision risk can be greatly reduced, and enough protection effect is achieved; when the diving equipment 50 is lifted or lowered, the ship shakes, and then the oil cylinder 22 pushes the rotating arm 23 to do fan-shaped swing, so that the lifting rope 40 is kept in a tightening state, the diving equipment 50 and the ship are prevented from relatively displacing, the rotating arm 23 and the oil cylinder 22 are provided with supporting points, and the device is more suitable for heavy load and severe deep sea working condition requirements and higher in stability.
In this embodiment, the main body of the oil cylinder 22 is hinged to the base 21, the output end of the oil cylinder 22 is hinged to the rotating arm 23, the end of the rotating arm 23 is hinged to the base 21, the oil cylinder 22 and the rotating arm 23 form a triangle structure, stability is higher, the oil cylinder 22 controls the rotation of the rotating arm 23, the hoisting rope 40 can be tensioned more timely, a larger adjusting range can be obtained by selecting a proper length of the rotating arm 23, and the application range is wider, so that the device can adapt to larger shaking of a ship body.
In one embodiment, the output ends of the two parallel cylinders 22 are hinged to the rotating arm 23, and the two cylinders 22 act simultaneously, so that the stability of the rotating arm 23 can be improved, and the compensation device 20 has larger load capacity under the condition of small overall volume change, and in other embodiments, the two cylinders 22 can be selected according to the requirement.
Further, referring to fig. 2, in order to ensure that the rotating arm 23 has a sufficient structural strength, the rotating arm 23 has a triangular structure as a whole, which can be said to be similar to a shape of a letter a, the top end of the rotating arm 23 is rotatably connected with the pulley one 24, the bottom end of the rotating arm 23 is hinged with the base 21, and two parallel cylinders 22 are hinged on both sides of the middle of the rotating arm 23 or on a connecting rod in the middle of the rotating arm 23.
In this embodiment, the compensating device 20 further includes an accumulator 25, where the accumulator 25 is communicated with the hydraulic system of the oil cylinder 22, and is used to provide a suitable adjusting pressure for the oil cylinder 22, and when the pressure on the hoisting rope 40 continuously changes, the system is passively compensated by the expansion and contraction of the compensating oil cylinder 22, so as to maintain the hoisting stability of the diving equipment 50.
In one embodiment, the passive heave compensation system further comprises a guide assembly 60, wherein the guide assembly 60 is arranged between the winch 10 and the a-frame 30 and is used for supporting the hoisting rope 40, so that the contact position of the hoisting rope 40 and the guide assembly 60 is kept high, and the hoisting rope 40 is prevented from colliding with the winch 10 when the a-frame 30 is outwards laid down; in another embodiment, the guide assembly 60 may also be disposed between the drawworks 10 and the compensation device 20.
Specifically, the guide assembly 60 includes: the hoisting rope 40 can be clung to the upper part of the pulley III 62 when in use, the hoisting rope 40 is in rolling connection with the pulley III 62, and the hoisting rope 40 sequentially bypasses the pulley I24, the pulley III 62 and the pulley II 31 when in use.
Further, referring to fig. 3, the guide assembly 60 further includes a guide plate 63 disposed on the support 61, where the guide plate 63 is used for guiding the hoisting rope 40 to accurately enter the wheel groove of the pulley three 62 when falling, specifically, the guide surface 631 of the guide plate 63 is an open V-shaped surface, the guide surface 631 is a surface where the hoisting rope 40 may contact with the guide plate 63 when falling, the guide surface 631 of the guide plate 63 is directly above the pulley three 62, the bottom of the guide surface 631 does not exceed the wheel groove in the axial direction of the pulley three 62, and there is a certain gap between the bottom of the guide surface 631 and the edge of the pulley three 62, which is far smaller than the diameter of the hoisting rope 40, which does not prevent the pulley three 62 from rotating, and which does not block the hoisting rope 40.
In this embodiment, the a-frame 30 is rotatably disposed at an end of the working platform, the second pulley 31 is rotatably connected to the a-frame 30, and the position of the diving equipment 50 is adjusted by changing the angle after combination, and the a-frame 30 can limit the freedom of the diving equipment 50 except for heave, which is not described in detail in the prior art.
In this embodiment, the work platform is a ship, and the diving equipment 50 is a deep diving apparatus.
In one embodiment, the winch 10 is a traversing winch 10, so that the traversing winch 10 can transversely move according to the winding position of the hoisting rope 40 during operation, and the hoisting rope 40 is ensured to be wound on the winch 10 regularly; in an alternative embodiment, the need for regular alignment of the hoist ropes 40 is addressed by securing the winch 10 and adding a cable binder.
Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of protection of the application is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the application, the steps may be implemented in any order and there are many other variations of the different aspects of one or more embodiments of the application as described above, which are not provided in detail for the sake of brevity.
One or more embodiments of the present application are intended to embrace all such alternatives, modifications and variations as fall within the broad scope of the present application. Accordingly, any omissions, modifications, equivalents, improvements and others which are within the spirit and principles of the one or more embodiments of the application are intended to be included within the scope of the application.
Claims (10)
1. A passive heave compensation system for a deep submergence vehicle, comprising:
A winch (10);
A compensating device (20) arranged at one side of the winch (10), wherein the compensating device (20) comprises: the device comprises a base (21) arranged on an operation platform, at least one oil cylinder (22) connected with the base (21), a rotating arm (23) rotatably arranged with the oil cylinder (22) and a pulley I (24) arranged on the rotating arm (23), wherein the rotating arm (23) can swing in a fan shape under the action of external force;
The A-shaped frame (30) is arranged at one side of the winch (10) far away from the compensation device (20), and a pulley II (31) is arranged on the A-shaped frame (30); and
And one end of the hoisting rope (40) is connected with the winch (10), and the other end of the hoisting rope bypasses the pulley I (24) and the pulley II (31) to be connected to equipment to be hoisted.
2. The passive heave compensation system for a deep submergence vehicle according to claim 1, wherein the cylinder (22) body is hinged to the base (21), the output end of the cylinder (22) is hinged to the swivel arm (23), the end of the swivel arm (23) is hinged to the base (21), and the base (21), the cylinder (22) and the swivel arm (23) form a triangular structure.
3. A passive heave compensation system for a deep submersible vehicle according to claim 1, characterised in that the output ends of two parallel arranged cylinders (22) are hinged to a swivel arm (23).
4. The passive heave compensation system for a deep submersible vehicle according to claim 1, wherein the swivel arm (23) is of a generally triangular configuration, the top end of the swivel arm (23) being rotatably connected to the first sheave (24).
5. A passive heave compensation system for a deep submersible vehicle according to any of claims 1-4, wherein the compensation means (20) further comprises an accumulator (25), the accumulator (25) being in communication with the hydraulic system of the ram (22) for providing a regulated pressure to the ram (22).
6. The passive heave compensation system for a deep submergence vehicle according to any of claims 1-4, further comprising a guiding assembly (60), the guiding assembly (60) being arranged between the winch (10) and the compensation device (20); or alternatively
The guide assembly (60) is arranged between the winch (10) and the A-shaped frame (30); the guide assembly (60) is used for supporting the hoisting rope (40).
7. The passive heave compensation system for a deep vessel according to claim 6, wherein the guiding assembly (60) comprises: the hoisting rope (40) can be clung to the upper part of the pulley III (62) when in use.
8. The passive heave compensation system for a deep submergence vehicle according to claim 7, wherein the guiding assembly (60) further comprises a guiding plate (63) arranged on the support (61), the guiding plate (63) being adapted to guide the hoisting ropes (40) into the groove of the third sheave (62) accurately when falling.
9. The passive heave compensation system for a deep submergence vehicle according to claim 8, wherein the guiding surface (631) of the guiding plate (63) is of an open V-shape.
10. The passive heave compensation system for a deep submergence vehicle according to claim 1, wherein the a-frame (30) is rotatably arranged at the end of the working platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211266879.5A CN117923342A (en) | 2022-10-17 | 2022-10-17 | Passive heave compensation system for deep submersible vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211266879.5A CN117923342A (en) | 2022-10-17 | 2022-10-17 | Passive heave compensation system for deep submersible vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117923342A true CN117923342A (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211266879.5A Pending CN117923342A (en) | 2022-10-17 | 2022-10-17 | Passive heave compensation system for deep submersible vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117923342A (en) |
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2022
- 2022-10-17 CN CN202211266879.5A patent/CN117923342A/en active Pending
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