CN110920811B - Electric drive steel wire rope anti-loosening device for offshore replenishment - Google Patents
Electric drive steel wire rope anti-loosening device for offshore replenishment Download PDFInfo
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- CN110920811B CN110920811B CN201911000521.6A CN201911000521A CN110920811B CN 110920811 B CN110920811 B CN 110920811B CN 201911000521 A CN201911000521 A CN 201911000521A CN 110920811 B CN110920811 B CN 110920811B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/08—Arrangement of ship-based loading or unloading equipment for cargo or passengers of winches
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
- B63B27/18—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cableways, e.g. with breeches-buoys
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- Combustion & Propulsion (AREA)
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- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention discloses an electric drive steel wire rope anti-loosening device for offshore replenishment, which comprises a base, a jack, an installation barrel, a telescopic mechanism, a follow-up pulley, a tension pulley block, a compensation pulley and a power pulley mechanism, wherein the barrel and the jack are both installed on the base, the jack is positioned inside the installation barrel, the bottom of the telescopic mechanism is installed on a top plate of the jack, the top of the telescopic mechanism is connected with the compensation pulley, the compensation pulley is positioned on the upper part of an inner cavity of the installation barrel, the follow-up pulley and the power sliding mechanism are arranged on two opposite sides of the outer wall of the installation barrel, the tension pulley block is arranged on one side of the follow-up pulley, and the tension pulley block is installed between the follow-up pulley and the compensation pulley. The invention realizes no hydraulic drive, reduces the occupied space of the supply system on a real ship, meets the overall requirements of the system and is more convenient for subsequent maintenance.
Description
Technical Field
The invention belongs to the technical field of marine supply of ships, and particularly relates to an electric drive steel wire rope anti-loosening device for marine supply.
Background
Maritime supply is a necessary logistics support means for modern sea warfare. As shown in fig. 1, when the transverse supply is performed during sailing, a tension rigging is erected between two ships (a supply ship 1 ' and a receiving ship 6 ') sailing in parallel in the same direction, and then the supply operation can be performed through a truck of a cargo carrying 4 '. The anti-loosening device plays an irreplaceable role in transverse supply operation in sailing, a steel wire rope on a winch needs to be released and erected with certain tension to form a conveying closed loop (comprising an inner guy rope 2 ', a bearing rope 3 ' and an outer guy rope 5 ') when the supply operation is started, the steel wire rope on the winch also needs to be retracted onto a drum with certain tension when the supply operation is finished, otherwise the winch has rope disorder and rope embedding phenomena, meanwhile, the supply operation is affected by wind, wave and flow effects and yawing, the two ships have different tonnage and large ship type difference, regular and complex relative motion is inevitably generated between the two ships, and the tension on a cableway can greatly fluctuate at the moment, so that the control precision of a system is seriously affected, and the safety of conveying equipment, materials and personnel is further affected.
In the process of transverse supply operation, the ship has the worst maneuverability, the longer the supply time is, the easier the ship becomes an attack object, and meanwhile, the probability of missing a missed and fleeed fighter plane is higher. In the 21 st century battlefield on the sea, the consumption of materials and ammunition is increased sharply, the supply materials are developed towards large-scale and heavy-duty directions, how to improve the supply capacity is achieved, the supply time is shortened, the key of logistics guarantee is provided, the electric power sea supply is generated at the moment, the load and speed index requirements in the electric power sea supply system are greatly improved, and at the moment, the whole system has higher requirements on the effect of the anti-loosening device.
The prior anti-loosening device is of a hydraulic driving type, as shown in attached figures 2 and 3, the anti-loosening device comprises a hydraulic motor 7 ', a wire rope wheel 9', a frame 8 'and a hydraulic clamping device 10', wherein the hydraulic motor 7 'directly drives the wire rope wheel 9' to rotate, and meanwhile, the hydraulic clamping device 10 'clamps the outer side of the wire rope wheel 9' to generate friction force on the wire rope in a wheel groove, so that the anti-loosening purpose is finally achieved. This type locking device does not have tension compensation device, and unable compensation system tension is undulant to need be equipped with hydraulic power unit alone, all have higher requirements to installation space, fluid, hydraulic line etc. hydraulic pressure maintenance work is also very loaded down with trivial details, consumes a large amount of manpower and materials. More importantly, the requirement of electric power sea compensation speed and load index is greatly improved, the tension fluctuation is more severe, and the hydraulic drive type anti-loosening device cannot meet the requirement of electric power sea compensation and must be matched with a novel anti-loosening device again.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the electric drive steel wire rope anti-loosening device for offshore replenishment, which can realize no hydraulic drive, reduce the occupied space of a replenishment system on a real ship, compensate the tension fluctuation on a steel wire rope in the replenishment operation process, improve the control precision of the system and ensure the smooth performance of the replenishment operation.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides an electric drive steel wire rope anti-loosening device for offshore replenishment, which comprises a base, a jack, an installation barrel, a telescopic mechanism, a follow-up pulley, a tension pulley block, a compensation pulley and a power pulley mechanism, wherein the barrel and the jack are both installed on the base, the jack is positioned inside the installation barrel, the bottom of the telescopic mechanism is installed on a top plate of the jack, the top of the telescopic mechanism is connected with the compensation pulley, the compensation pulley is positioned on the upper part of an inner cavity of the installation barrel, the follow-up pulley and the power sliding mechanism are arranged on two opposite sides of the outer wall of the installation barrel, the tension pulley block is arranged on one side of the follow-up pulley, the tension pulley block is installed between the follow-up pulley and the compensation pulley, the follow-up pulley, the power pulley mechanism and the installation barrel are all connected through shaft pins and can swing along the circumferential direction of the installation barrel,
the power pulley mechanism comprises a driving motor, a speed reducer, a pneumatic clutch, a power pulley, a clamping cylinder and clamping arms, wherein the output end of the driving motor is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the input end of the pneumatic clutch, the output end of the pneumatic clutch is connected with the power pulley, the output end of the clamping cylinder is connected with the clamping arms, the clamping arms are positioned on two sides of the power pulley,
the steel wire rope penetrates through the follow-up pulley, sequentially passes through the tension pulley block and the compensation pulley, and penetrates out of the power sliding mechanism.
Furthermore, the tension pulley block comprises a tension pulley mounting frame, a first tension sliding wheel, a second tension sliding wheel, a first tension sensor and a second tension sensor, the first tension sliding wheel and the second tension sliding wheel are vertically staggered and are respectively connected with the tension sliding mounting frame shaft, the first tension sensor is tightly close to the first tension sliding wheel and is mounted on the pulley mounting frame, the second tension sensor is tightly close to the second tension sliding wheel and is mounted on the pulley mounting frame, and the tension pulley mounting frame is fixedly mounted on the mounting barrel.
Furthermore, the power pulley is connected with a power pulley mounting frame in a shaft connecting mode, the power pulley mounting frame is connected with the mounting barrel through a shaft pin, friction plates are arranged on two sides of the power pulley, and the clamping arms are located on two sides of each friction plate.
Furthermore, the follow-up pulley is connected with a follow-up pulley mounting rack in a shaft connection mode, and the follow-up pulley mounting rack is connected with the mounting barrel through a shaft pin.
Furthermore, the compensation pulley is connected with a compensation pulley mounting frame in a shaft connection mode, and the compensation pulley mounting frame is fixedly mounted at the top of the telescopic mechanism.
Furthermore, the telescopic mechanism is a guide telescopic spring, a telescopic cylinder or a telescopic electric cylinder.
Still further, a speed encoder is included, the speed encoder is connected with the active sliding or the follow pulley or the compensation pulley.
Furthermore, the height of the axle center of the follow-up pulley is the same as that of the axle center of the active sliding.
The invention realizes no hydraulic drive and reduces the occupied space of the supply system on the ship. The power output of the invention is concentrated in the power pulley mechanism, the power pulley mechanism inputs the power of the main shaft by the driving motor, the pneumatic clutch and the clamping cylinder input the gas with certain pressure by the gas source to make the power pulley mechanism work, the whole anti-loosening device realizes the non-hydraulic drive, reduces the occupied space of the supply system on a real ship, and meets the overall requirements of the system.
The follow-up pulley and the power pulley can swing in a small range along the circumferential direction of the installation cylinder body so as to adapt to the constantly changing rope inlet and outlet angles and meet the requirement of system reeving arrangement.
The anti-loosening device is arranged at the front end of the winch, under the cable erecting working condition, the winch is in a passive state, the anti-loosening device is in an active state, a driving motor of the anti-loosening device rotates actively, the pneumatic clutch is in a closed state, the speed reducer and the pneumatic clutch transmit power to the power pulley to enable the power pulley to rotate, the clamping cylinder clamps friction plates on two sides of the power pulley through the expansion and contraction of the clamping cylinder, a certain friction force is further generated on a steel wire rope in the groove, and the anti-loosening device can finally lead out the steel wire rope on the winch with a certain tension force along with the rotation of the power pulley.
Under the condition of a cable releasing working condition, the winch is in an active state, the anti-loosening device is in a passive state, the pneumatic clutch is in a closed state, the clamping cylinder clamps friction plates on two sides of the power pulley through the expansion and contraction of the cylinder, further certain extrusion is generated on a steel wire rope in the groove, the power pulley on the anti-loosening device is driven to rotate along with the active cable retracting of the winch, the driving motor of the anti-loosening device is dragged backwards for a short time to generate feed, and the resistance generated by the dragging driving motor backwards ensures that the rope disorder phenomenon does not occur on a winch drum.
In the process of the supply operation, the pneumatic clutch of the anti-loosening device is in a disengagement state, the clamping cylinder and the power pulley are also in the disengagement state, only the power pulley rotates under the working condition, the driving motor is static, a free wheel is realized, and the phenomenon that the driving motor is damaged due to long-term over-heating is avoided.
The tension sensor I and the tension sensor II on the tension pulley block can provide corresponding tension signals to an electric control system for conversion, and finally obtain a system steel wire rope tension value, and the speed encoder can provide pulley rotating speed information and provide steel wire rope tension and pulley rotating speed information in real time for a control system to use for program control.
The telescopic mechanism of the invention can be vertically telescopic to a balance position according to the tension fluctuation of the steel wire rope, and has the function of tension fluctuation compensation.
The external members of the invention are mutually independent, the whole is detachable, the maintenance is convenient, the internal structure of each external member is clear, and the wearing parts of the bearing and the friction plate are convenient to detach.
Compared with the prior art, the invention has the beneficial effects that:
1. the hydraulic-drive-free ship has the advantages that the hydraulic-drive-free is realized, the occupied space of the supply system on a real ship is reduced, the overall requirements of the system are met, and the follow-up maintenance is more convenient.
2. The angle of the rope outlet pulley can be adjusted, and the requirement of system reeving arrangement is met.
3. When the operation frame cable is supplied, the steel wire rope on the winch can be led out with certain tension, and the winch is ensured to smoothly release the cable.
4. After the supply operation is finished, certain tension can be provided as resistance when the winch actively retracts the rope, and the rope disorder phenomenon on the winch drum is avoided.
5. And in the replenishing process, the information of the tension of the steel wire rope and the rotating speed of the pulley can be provided in real time so that a control system can be used for program control.
6. The working condition of a free wheel can be realized in the replenishing operation process, the damage caused by overheating due to long-term dragging of the motor is avoided, and the smooth performance of the replenishing operation is ensured.
7. The tension fluctuation on the steel cable can be compensated in the replenishing operation process, the system control precision is provided, and the replenishing operation is ensured to be carried out smoothly.
8. The maintenance and the replacement of the wearing parts are both convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of the operation of the marine transverse supply in the background of the invention.
Fig. 2 is a front view of a hydraulic drive type check device in the background of the invention.
Fig. 3 is a left side view of a hydraulic drive type check device in the background of the invention.
Fig. 4 is a schematic perspective view of the electrically driven wire rope looseness prevention device of the present invention.
Fig. 5 is a front view of the electrically driven wire rope looseness prevention device of the present invention.
Fig. 6 is a schematic structural view of a power pulley mechanism in the electrically-driven wire rope looseness prevention device of the invention.
Fig. 7 is a schematic structural view of a tension pulley block in the electrically-driven wire rope looseness prevention device of the present invention.
Wherein the reference numerals are specified as follows:
background art: supply boat 1 ', inner guy rope 2', bearing rope 3 ', cargo carrying trolley 4', outer guy rope 5 ', receiving boat 6', hydraulic motor 7 ', frame 8', wire rope wheel 9 ', hydraulic clamping device 10'.
The specific implementation mode is as follows: the device comprises a base 1, an installation cylinder 2, a jack 3, a follow-up pulley 4, a tension pulley block 5, a compensation pulley 6, a power pulley mechanism 7, a compensation pulley installation frame 8, a telescopic mechanism 9, a follow-up pulley installation frame 10, a steel wire rope 11, a strong power box 12, a pneumatic control and weak current box 13, a driving motor 14, a speed reducer 15, a pneumatic clutch 16, a power pulley 17, a clamping cylinder 18, a clamping arm 19, a friction plate 20, a power pulley installation frame 21, a tension pulley installation frame 22, a tension pulley I23, a tension pulley II 24, a tension sensor I25, a tension sensor II 26 and a speed encoder 27.
Detailed Description
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
As shown in fig. 4 and 5, the embodiment provides an electric drive steel wire rope looseness prevention device for offshore replenishment, which includes a base 1, a jack 3, an installation cylinder 2, a telescopic mechanism 9, a follow-up pulley 4, a tension pulley block 5, a compensation pulley 6 and a power pulley mechanism 7, wherein the cylinder and the jack 3 are both installed on the base 1, the jack 3 is located inside the installation cylinder 2, the bottom of the telescopic mechanism 9 is installed on a top plate of the jack 3, the top of the telescopic mechanism 9 is connected with the compensation pulley 6, the compensation pulley 6 is located on the upper portion of an inner cavity of the installation cylinder 2, and the follow-up pulley 4 and the power sliding mechanism are arranged on two opposite sides of the outer wall of the installation cylinder 2. The tension pulley block 5 is arranged on one side of the follow-up pulley 4, the tension pulley block 5 is installed between the follow-up pulley 4 and the compensation pulley 6 in consideration of the fact that the rope entering angle and the rope outlet angle of the tension pulley block 5 cannot be changed greatly, the follow-up pulley 4, the power pulley mechanism 7 and the installation barrel 2 are connected through shaft pins and can swing along the circumferential direction of the installation barrel 2, so that the rope entering angle and the rope outlet angle which change constantly are adapted, the uniform stress on the left side and the right side of the guide pulley is guaranteed, and the service life of the guide pulley is prolonged.
The follow-up pulley 4 is connected with a follow-up pulley mounting rack 10 in a shaft connection mode, and the follow-up pulley mounting rack 10 is connected with the mounting barrel 2 through a shaft pin. The compensating pulley 6 is connected with a compensating pulley mounting rack 8 in a shaft connection mode, and the compensating pulley mounting rack 8 is fixedly arranged at the top of the telescopic mechanism 9. Telescopic machanism 9 can be direction expanding spring, telescopic cylinder or flexible electronic jar, and telescopic machanism 9 adopts direction expanding spring in this embodiment, adopts the expanding spring cover to locate the outside structure of guide bar promptly. The guide expansion spring can be expanded up and down to a balance position according to the tension fluctuation on the steel wire rope 11, the purpose of compensating the expansion fluctuation is achieved, and the jack 3 arranged at the lower part of the guide expansion spring is used for setting the initial tension of the guide expansion spring and adjusting the expansion stroke of the guide expansion spring.
As shown in fig. 6, the power pulley mechanism 7 includes a driving motor 14, a speed reducer 15, a pneumatic clutch 16, a power pulley 17, a clamping cylinder 18 and clamping arms 19, an output end of the driving motor 14 is connected to an input end of the speed reducer 15, an output end of the speed reducer 15 is connected to an input end of the pneumatic clutch 16, an output end of the pneumatic clutch 16 is connected to the power pulley 17, an output end of the clamping cylinder 18 is connected to the clamping arms 19, and the clamping arms 19 are located on two sides of the power pulley 17. The power pulley 17 is connected with a power pulley mounting frame 21 in a shaft connection mode, the power pulley mounting frame 21 is connected with the mounting barrel 2 through a shaft pin, friction plates 20 are arranged on two sides of the power pulley 17, the friction plates 20 are fixed through spring steel sheets, clamping arms 19 are located on two sides of the friction plates 20, the clamping air cylinder 18 stretches and contracts to clamp the friction plates 20 on two sides of the power pulley 17 through telescopic arms, certain friction force is generated on the steel wire rope 11 in the groove, and along with rotation of the power pulley 17, the steel wire rope 11 generates certain tension force, and the anti-loosening purpose is achieved. The shaft end of the power pulley 17 is provided with a speed encoder 27, the speed encoder 27 can also be arranged at the position of the follow-up pulley 4 or the compensating pulley 6 according to the situation, and the speed encoder 27 can provide the rotating speed information of each pulley. The height of the axle center of the follow-up pulley 4 is the same as that of the axle center of the active sliding, so that the overall balance of the anti-loosening device is improved.
As shown in fig. 7, the tension pulley block 5 includes a tension pulley mounting frame 22, a tension pulley one 23, a tension pulley two 24, a tension sensor one 25, and a tension sensor two 26, wherein the tension pulley one 23 and the tension pulley two 24 are disposed in an up-and-down staggered manner and respectively connected to the tension pulley mounting frame shaft, the tension sensor one 25 is mounted on the tension pulley mounting frame 22 next to the tension pulley one 23, the tension sensor two 26 is mounted on the pulley mounting frame next to the tension pulley two 24, and the pulley mounting frame is fixedly mounted on the mounting cylinder 2. After the steel wire rope 11 passes through the first tension sliding wheel 23 and the second tension sliding wheel 24, certain extrusion is generated on the first tension sensor 25 and the second tension sensor 26, so that corresponding tension signals are output to an electric control system for conversion, and finally the tension value of the steel wire rope 11 of the system is obtained.
In this embodiment, the installation cylinder 2 is provided with a strong power box 12 and a pneumatic control and weak power box 13, the strong power box 12 is used for wiring a driving motor 14, and the pneumatic control and weak power box 13 is used for connecting an external air source pipeline and outputting signals of various sensors.
The using method of the embodiment comprises the following steps: the steel wire rope 11 penetrates through the follow-up pulley 4, sequentially passes through the tension pulley block 5 and the compensation pulley 6, and penetrates out of the power sliding mechanism 7.
Under the condition of a rope erecting work, the winch is in a passive state, the anti-loosening device is in an active state, the driving motor 14 of the anti-loosening device rotates actively, the pneumatic clutch 16 is in a closed state, the speed reducer 15 and the pneumatic clutch 16 transmit power to the power pulley 17 to enable the power pulley 17 to rotate, the clamping cylinder 18 telescopically clamps friction plates 20 on two sides of the power pulley 17 through the cylinder, a certain friction force is further generated on the steel wire rope 11 in the groove, and finally the anti-loosening device can guide out the steel wire rope 11 on the winch with a certain tension force along with the rotation of the power pulley 17.
Under the condition of cable releasing, the winch is in an active state, the anti-loosening device is in a passive state, the pneumatic clutch 16 is in a closed state, the clamping cylinder 18 telescopically clamps the friction plates 20 on two sides of the power pulley 17 through the cylinder, further certain extrusion is generated on the steel wire rope 11 in the groove, the power pulley 17 on the anti-loosening device is driven to rotate along with the active cable retracting of the winch, the driving motor 14 of the anti-loosening device is reversely dragged for a short time to generate feed, and the resistance generated by the reverse dragging driving motor 14 ensures that the rope disorder phenomenon does not occur on a winch drum.
In the process of supplying operation, the pneumatic clutch 16 of the anti-loosening device is in a disengagement state, the clamping cylinder 18 and the power pulley 17 are also in a disengagement state, only the power pulley 17 rotates under the working condition, the driving motor 14 is static, a 'free wheel' is realized, and the driving motor 14 is prevented from being damaged due to long-term over-heating dragging.
Although the present invention has been described in detail with respect to the above embodiments, it will be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention may be made without departing from the spirit and scope of the invention, and these modifications and improvements are within the spirit and scope of the invention.
Claims (7)
1. The utility model provides an electricity drive wire rope locking device for marine supply, its characterized in that, includes base, jack, installation barrel, telescopic machanism, follow-up pulley, tension pulley block, compensation pulley and power pulley mechanism, the installation barrel reaches the jack all install in on the base, the jack is located the inside of installation barrel, telescopic machanism's bottom install in on the top dish of jack, telescopic machanism's top is connected the compensation pulley, the compensation pulley is located the upper portion of installation barrel inner chamber, follow-up pulley with power pulley mechanism set up in relative both sides on the installation barrel outer wall, tension pulley block set up in one side of follow-up pulley, tension pulley block install in follow-up pulley with between the compensation pulley, follow-up pulley, power pulley mechanism with the installation barrel all through the pivot pin connection and can follow the circumference pendulum swing of installation barrel is put up the barrel The movement of the movable mould is carried out,
the power pulley mechanism comprises a driving motor, a speed reducer, a pneumatic clutch, a power pulley, a clamping cylinder and clamping arms, wherein the output end of the driving motor is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the input end of the pneumatic clutch, the output end of the pneumatic clutch is connected with the power pulley, the output end of the clamping cylinder is connected with the clamping arms, the clamping arms are positioned on two sides of the power pulley,
the steel wire rope penetrates through the follow-up pulley, sequentially passes through the tension pulley block and the compensation pulley, and penetrates out of the power pulley mechanism,
the tension pulley block comprises a tension pulley mounting frame, a first tension sliding wheel, a second tension sliding wheel, a first tension sensor and a second tension sensor, the first tension sliding wheel is vertically staggered and respectively connected with the tension pulley mounting frame shaft, the first tension sensor is close to the first tension sliding wheel is installed on the tension pulley mounting frame, the second tension sensor is close to the second tension sliding wheel is installed on the tension pulley mounting frame, and the tension pulley mounting frame is fixedly installed on the mounting barrel body.
2. The anti-loosening device for the electric drive steel wire rope for offshore replenishment according to claim 1, wherein the power pulley is connected with a power pulley mounting frame in a shaft connection manner, the power pulley mounting frame is connected with the mounting cylinder body through a shaft pin, friction plates are arranged on two sides of the power pulley, and the clamping arms are arranged on two sides of the friction plates.
3. The anti-loosening device for the electric drive steel wire rope for offshore replenishment according to claim 1, wherein the follow pulley is connected with a follow pulley mounting rack in a shaft connection manner, and the follow pulley mounting rack is connected with the mounting barrel through a shaft pin.
4. The anti-loosening device for the electric drive steel wire rope for offshore replenishment according to claim 1, wherein the compensating pulley is connected with a compensating pulley mounting bracket in a shaft connection manner, and the compensating pulley mounting bracket is fixedly mounted on the top of the telescopic mechanism.
5. The anti-loosening device for the electrically driven steel wire rope for offshore replenishment according to claim 1, wherein the telescopic mechanism is a guide telescopic spring, a telescopic cylinder or a telescopic electric cylinder.
6. The anti-loosening device for the electric drive steel wire rope for offshore replenishment according to claim 1, further comprising a speed encoder, wherein the speed encoder is connected with the power pulley, the follower pulley or the compensation pulley.
7. The anti-loosening device for an electric drive cable for offshore replenishment according to claim 1, wherein the height of the axis of the follower pulley is the same as the height of the axis of the power pulley.
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| CN201911000521.6A CN110920811B (en) | 2019-10-21 | 2019-10-21 | Electric drive steel wire rope anti-loosening device for offshore replenishment |
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| CN201911000521.6A CN110920811B (en) | 2019-10-21 | 2019-10-21 | Electric drive steel wire rope anti-loosening device for offshore replenishment |
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| CN105836647A (en) * | 2016-05-13 | 2016-08-10 | 中国船舶重工集团公司第七0四研究所 | Steel wire rope loosening prevention device |
| CN205838418U (en) * | 2016-07-30 | 2016-12-28 | 四川亚美动力技术有限公司 | A kind of cable wire automatic tensioning mechanism for rescuing winch |
| CN209143567U (en) * | 2018-11-16 | 2019-07-23 | 大连海事大学 | Scientific investigation ship hoister system cable looseness compensation device |
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| CN110920811A (en) | 2020-03-27 |
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