CN114803734B - Ship shore power cable management system and method - Google Patents
Ship shore power cable management system and method Download PDFInfo
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- CN114803734B CN114803734B CN202210607845.1A CN202210607845A CN114803734B CN 114803734 B CN114803734 B CN 114803734B CN 202210607845 A CN202210607845 A CN 202210607845A CN 114803734 B CN114803734 B CN 114803734B
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- 238000007726 management method Methods 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4481—Arrangements or adaptations for driving the reel or the material
- B65H75/4486—Electric motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4402—Guiding arrangements to control paying-out and re-storing of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4457—Arrangements of the frame or housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
Landscapes
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
- Flexible Shafts (AREA)
Abstract
A ship shore power cable management system and method comprises a cable, a bracket, a reel, a cable guiding frame, a feed mechanism, a driving system and a control box, wherein the reel is arranged on the bracket in a free rotation mode, the cable is wound on the reel, the cable guiding frame, the feed mechanism, the driving system and the control box are arranged on a base of the bracket, the driving system comprises a motor and a constant torque reduction box, and the constant torque reduction box comprises a box body. The invention has simple and reliable structure, can output constant torque, has simple and convenient output torque adjustment and high precision, and is convenient for wiring operation because the cable connector is far away from the ship body.
Description
Technical Field
The invention relates to the technical field of ship shore power, in particular to a ship shore power cable management system and method.
Background
With the rapid development of the shipping industry, the number of ships berthing at ports is rapidly increased, and in order to ensure the basic operation of ships and the smooth loading and unloading of goods after the ships stop at ports, the ship engine is not extinguished, an auxiliary generator is required to continuously generate electricity, and a large amount of carbon monoxide, carbon dioxide, oxysulfide, nitrogen oxides and inhalable particles are discharged into the air along with the detonation of a high-power auxiliary diesel engine, so that air pollution is caused. Meanwhile, the motor sound of the diesel generator booming brings huge noise pollution to the harbor area. The shore power supply is used for the port ship in the port area, so that the development direction of port construction is not only realized, but also the method has definitely great significance for protecting the environment of the port area and the urban area. The ship turns off the auxiliary generator, reduces ship vibration and noise, improves the quality of living and working environments of crews, and provides convenience for engine overhaul during berthing of the ship. Is also active in the aspect of ships.
The shore power winch of the ship is a cable management system for supplying power to the ship when the ship approaches the port, and the shore power winch is connected with the ship side and the shore side through a cable so as to realize that the ship uses a shore power supply. As the ship loads and unloads goods by port, the draft of the ship is continuously changed, and if shore power is required to be supplied to the ship, the function that the power supply cable can be changed along with the change of the draft of the ship is required to be solved, so that the ship shore power cable management system is derived.
The marine shore power cable management system is a shipborne cable winch designed to manage, connect a marine vessel with a land-based power supply cable when the marine vessel is moored at a dock. So that the ship can turn off its generator, thereby greatly reducing noise and air pollution. The existing ship shore power cable management system consists of a cable, a bracket, a reel, a cable guiding frame, a feeding mechanism, a driving system, a control box, a junction box and other parts.
The invention discloses a shore power cable collecting and releasing device for ships, the invention patent with the application number of 201410570984.7, and the shore power cable collecting and releasing device for ships comprises a cable, a bracket, a reel, a cable guiding frame, a feeding mechanism, a driving system and a control box. In the prior art, the ship shore power cable management system has larger output torque variation and is easy to damage cables; some reduction boxes in the prior art can output constant torque, and the torque is inconvenient to adjust and cannot be accurately controlled in the use process; the torque adjustment is troublesome to operate and easy to cause safety accidents; the structure of the cable guide frame only realizes that the cable extends out of the ship body, the cable joint at the lower end of the cable is very close to the ship body, the cable is inconvenient for workers to drag, and safety accidents are easy to generate when wind waves and unstable ships exist.
Disclosure of Invention
The invention aims to solve the defects of the prior art, and provides the marine shore power cable management system and the marine shore power cable management method which have the advantages of simple and reliable structure, capability of outputting constant torque, simplicity and convenience in adjusting the output torque, high precision, long distance between a cable joint and a ship body and convenience in wiring operation.
The invention solves the defects of the prior art, adopts the following technical proposal:
the utility model provides a boats and ships shore power cable management system, includes cable, support, reel, cable guide frame, feed mechanism, actuating system, control box, and the reel is rotatable installs on the support, and the cable twines on the reel, and cable guide frame, feed mechanism, actuating system and control box are installed on the base of support, its characterized in that actuating system include motor, constant torque reduction gearbox include the box, be provided with the baffle in the box, be provided with first transmission shaft along first direction rotation between baffle and the box, first transmission shaft is the worm, first transmission shaft is connected with the pivot of the motor that sets up in the box outside, motor drive first transmission shaft is rotatory; the pressure regulating disc is in threaded connection with the second transmission shaft, the elastic pushing mechanism, the first friction disc (axially sliding key connection) and the worm wheel (via a bearing) are movably sleeved, and the second friction disc and the reduction pinion are fixedly (connected) sleeved; the worm wheel is clamped between the first friction disc and the second friction disc, the first transmission shaft drives the worm wheel to rotate, and under the action of certain friction force, the worm wheel drives the second transmission shaft to rotate, so that the reduction pinion is driven to rotate, and the cooperation of the worm wheel and the worm enables the motor to generate self-locking when the power is off and stops so as to prevent the motor from excessively rotating; a third transmission shaft is rotatably arranged on the box body along the second direction, a reduction gear engaged with a reduction pinion is fixedly sleeved on the third transmission shaft, the reduction pinion transmits power to the reduction gear, and further drives the third transmission shaft to rotate, an output chain wheel is arranged on the third transmission shaft on the outer side of the box body, and the output chain wheel is connected with a reel through a transmission chain; when the load exceeds the set torque of the reduction gearbox, the worm wheel and the first friction disk and the second friction disk on the two sides of the worm wheel generate sliding friction, so that the cable is prevented from being damaged; the outer edge of the pressure regulating disc is provided with first teeth at intervals along the circumferential direction, the position of the pressure regulating disc on the second transmission shaft is regulated by a torque regulating mechanism, the torque regulating mechanism comprises a cylinder, a regulating gear, a nut and a bearing, the outer wall of the cylinder is fixedly sleeved with the regulating gear, the second teeth of the regulating gear are meshed with the first teeth of the pressure regulating disc, the outer wall of the cylinder at one side of the regulating gear is fixedly connected with the inner ring of the bearing, and the end face of the cylinder close to the bearing is fixedly provided with the nut; the box body is provided with an opening along a second direction, and the torque adjusting mechanism can be arranged on the opening; when the output torque needs to be regulated, the torque regulating mechanism is inserted into the opening of the box body, so that the second teeth of the regulating gear are meshed with the first teeth of the pressure regulating disc inside the reduction box, the external hexagonal nut is rotated by using the wrench, the regulating gear drives the pressure regulating disc to rotate, the position of the pressure regulating disc in threaded connection on the second transmission shaft is changed, and the forward rotation or reverse rotation regulation of the pressure regulating disc can be realized.
The structure of the cable guide frame in the invention is as follows: the base of the bracket in front of the reel is provided with two mutually parallel rectangular guide rails, opposite sides of the two rectangular guide rails are provided with slide ways, a mounting slide seat capable of sliding back and forth is arranged in the slide ways, a hinging seat is arranged on the upper side of the mounting slide seat, a cable guiding cantilever is hinged on the hinging seat, a retraction cylinder is hinged on the rectangular guide rail (one side of the slide way) behind the mounting slide seat, a piston rod of the retraction cylinder is hinged with the cable guiding cantilever (above a hinging shaft between the cable guiding cantilever and the hinging seat), and the retraction cylinder can drive the cable guiding cantilever to swing around the hinging shaft between the cable guiding cantilever and the hinging seat; the upper parts of the front sides of the two mutually parallel rectangular guide rails are respectively provided with a wedge-shaped limiting guide block which inclines upwards from back to front, two sides of the guide cable cantilever are provided with guide sliding strips matched with the wedge-shaped limiting guide blocks, the front ends of the guide sliding strips are provided with arc-shaped guide surfaces matched with the inclined surfaces of the wedge-shaped limiting guide blocks, after the arc-shaped guide surfaces are contacted with the inclined surfaces of the wedge-shaped limiting guide blocks, the guide cable cantilever moves forwards, the arc-shaped guide surfaces are matched with the inclined surfaces of the wedge-shaped limiting guide blocks to push the guide cable cantilever to swing upwards around the hinge shaft between the guide cable cantilever and the hinge seat, and when the lower side surfaces of the guide sliding strips are positioned on the upper side surfaces of the wedge-shaped limiting guide blocks, the guide cable cantilever stretches straight; the two rectangular guide rails at the rear side of the wedge-shaped limiting guide block are respectively provided with a locking hydraulic cylinder, a piston rod of the locking hydraulic cylinder can extend out of the slide way, a locking jack matched with the piston rod of the locking hydraulic cylinder is arranged on the mounting slide seat, and the piston rod of the locking hydraulic cylinder extends into the slide way and is inserted into the locking jack to lock the front and rear directions of the mounting slide seat.
The slide way at the rear side of the locking hydraulic cylinder is internally provided with a limit stop block. When the mounting sliding seat slides backwards to be in contact with the limit stop, the piston rod of the locking hydraulic cylinder is opposite to the locking jack, so that the insertion operation is facilitated. The retractable hydraulic cylinder is a multi-stage hydraulic cylinder, and the locking hydraulic cylinder and the retractable hydraulic cylinder are connected with the hydraulic system through the controller and can control the expansion and contraction of the piston rod.
The two opposite sides of the two rectangular guide rails are respectively hinged with a retraction cylinder, and the front ends of piston rods of the two retraction cylinders are respectively hinged with two sides of the cable guiding cantilever. The cable guiding cantilever can be inclined downwards by 20-45 degrees from back to front between the two rectangular guide rails.
The cable is led out from the reel, and is connected with a shore power connector after passing through a wire guide hole at the front end of the cable guiding cantilever.
The elastic pushing mechanism comprises a spring pressure plate and springs, wherein the springs are distributed in a circular array, one end of each spring is connected with the spring pressure plate, the other end of each spring is connected with the first friction plate, and the pressure adjusting plate is used for adjusting the position of the spring pressure plate so as to adjust the compression degree of each spring, so that the friction force of the worm wheel of the first friction plate is changed.
According to the invention, the side surface of the spring pressing plate, on which the spring is mounted, is provided with the first limit column, the side surface of the first friction plate, on which the spring is mounted, is provided with the second limit column, two ends of the spring are respectively inserted into the first limit column and the second limit column, the spring is not easy to break off in the use process, and the spring is easy to detach and replace under the action of manpower.
The box body comprises an upper box body and a lower box body, and the upper box body is connected with the lower box body through the fastening piece, so that the box body is convenient to overhaul.
According to the shore power cable management method for the ship, the output torque of a constant torque reduction box is set according to tensile property parameters of the shore power cable used by the ship, a torque adjusting mechanism is inserted into an opening of the box body, so that second teeth of an adjusting gear are meshed with first teeth of a pressure adjusting disc in the reduction box, an external hexagonal nut is rotated by using a wrench, the adjusting gear drives the pressure adjusting disc to rotate, the position of the pressure adjusting disc in threaded connection on a second transmission shaft is changed, the friction force between a worm wheel and the first friction disc and the friction force between the worm wheel and the second friction disc are changed, and the output torque of the constant torque reduction box is changed. When the load exceeds the set torque of the reduction gearbox, the worm wheel and the first friction disk and the second friction disk on two sides of the worm wheel generate sliding friction, so that the cable is prevented from being damaged.
Further, when the ship enters the port to stop in the stormy wave environment, the piston rod of the locking hydraulic cylinder is retracted from the locking jack, the retraction hydraulic cylinder pushes the cable guiding cantilever forwards (above) to drive the installation sliding seat to slide forwards until the lower side surface of the guiding sliding strip is pushed to be positioned on the upper side surface of the wedge-shaped limiting guide block, and the cable guiding cantilever stretches straight forwards; at the moment, the front end of the cable is farthest from the side surface of the ship, so that the power connection operation of cable wiring personnel is facilitated; after the cable wiring personnel completes the electricity connection, the winding and unwinding oil cylinder drags the cable guiding cantilever backwards to drive the installation sliding seat to slide backwards, and after the guiding sliding strip is separated from the wedge-shaped limiting guide block, the piston rod of the locking hydraulic cylinder extends out and is inserted into the locking jack to lock the installation sliding seat. When needed, the piston rod of the retraction cylinder is pushed forward to drive the cable guiding cantilever to swing around the hinge shaft between the cable guiding cantilever and the hinge seat until the front lower side of the cable guiding cantilever is positioned against the ship board, so that a stable supporting and guiding effect is provided for the cable. When the cable is retracted, the piston rod of the retraction cylinder drags the cable guiding cantilever backwards, so that the cable guiding cantilever swings upwards around the hinge shaft between the cable guiding cantilever and the hinge seat until the front end of the cable guiding cantilever is retracted into the shipboard or is abutted against the reel; compact structure and small occupied space.
Compared with the prior art, the constant-torque reduction gearbox can output constant torque, has the advantages of simple and reliable structure, simple torque adjusting structure, convenient operation and high torque adjusting precision, and can also adjust the output torque when the reduction gearbox is powered off, and is convenient and safe to adjust. When the ship enters the port to stop under the condition of wind waves and slight swing, the shore power connector can be far away from the side surface of the ship, so that the power connection operation is convenient, and the safety of the operation is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the invention when the lower side of the guiding slide is positioned on the upper side of the wedge-shaped limit guide block and the guiding cable cantilever extends straight;
FIG. 3 is a schematic perspective view of the whole structure of the present invention;
FIG. 4 is a schematic view of the structure of the cable guide frame of the present invention;
FIG. 5 is a schematic diagram of the structure of the constant torque reduction gearbox of the present invention;
FIG. 6 is a schematic diagram of the explosive structure of FIG. 5;
fig. 7 is a schematic structural view of the torque adjusting mechanism of the present invention.
Detailed Description
A marine shore power cable management system comprises a cable 3, a bracket 7, a reel 6, a cable guiding frame 2, a feed mechanism, a driving system and a control box, wherein the reel 6 is arranged on the bracket 7 in a free rotation way, the cable 3 is wound on the reel 6, the cable guiding frame 2, the feed mechanism, the driving system and the control box are arranged on a base 8 of the bracket, and the feed mechanism is arranged in the center of the reel and is used for transmitting power and signals of a rotating reel cable and a fixed cable; the control box is connected with each electric control device and is used for controlling the working state of the management system and collecting corresponding monitoring data, and the feed mechanism, the control box and other components are the same as those in the prior art and are not repeated. The invention is characterized in that the driving system comprises a motor 29 and a constant torque reduction box 12, the constant torque reduction box 12 comprises a box body, a partition plate is arranged in the box body, a first transmission shaft 33 is rotatably arranged between the partition plate and the box body along a first direction, the first transmission shaft 33 is a worm, the first transmission shaft 33 is connected with a rotating shaft of the motor 29 arranged outside the box body, and the motor 29 drives the first transmission shaft to rotate; the first bearing cover 37 and the second bearing cover 30 are symmetrically arranged on the box body along the second direction (the second direction is the direction perpendicular to the first direction), the second transmission shaft 32 is rotatably arranged between the first bearing cover 37 and the second bearing cover 30, the outer wall of the second transmission shaft 32 is sequentially sleeved with the pressure regulating disc 26, the elastic pushing mechanism, the first friction disc 34, the worm wheel 27, the second friction disc 31 and the reduction pinion 28, the pressure regulating disc is in threaded connection with the second transmission shaft, the elastic pushing mechanism, the first friction disc and the worm wheel (via bearings) are movably sleeved, as can be seen in the figure, the first friction disc is in axial sliding key connection with the second transmission shaft, the worm wheel is arranged on the second transmission shaft in a free rotation manner via the bearings, and the worm wheel is in clearance fit with the bearings, namely the worm wheel can slide relatively in the radial direction of the bearings; the second friction disk and the reduction pinion are fixedly sleeved with a second transmission shaft; the worm wheel is clamped between the first friction disc and the second friction disc, the first transmission shaft drives the worm wheel to rotate, and under the action of certain friction force, the worm wheel drives the second transmission shaft to rotate, so that the reduction pinion is driven to rotate, and the cooperation of the worm wheel and the worm enables the motor to generate self-locking when the power is off and stops so as to prevent the motor from excessively rotating; a third transmission shaft is rotatably arranged on the box body along the second direction, a reduction gear 23 meshed with a reduction gear 28 is fixedly sleeved on the third transmission shaft 22, the reduction gear transmits power to the reduction gear 23 so as to drive the third transmission shaft 22 to rotate, an output chain wheel 21 is arranged on the third transmission shaft on the outer side of the box body, and the output chain wheel 21 is connected with a reel through a transmission chain; when the load exceeds the set torque of the reduction gearbox, the worm wheel and the first friction disk and the second friction disk on the two sides of the worm wheel generate sliding friction, so that the cable is prevented from being damaged; the outer edge of the pressure regulating disc 26 is provided with first teeth at intervals along the circumferential direction, the position of the pressure regulating disc 26 on the second transmission shaft is regulated by a torque regulating mechanism 24, the torque regulating mechanism 24 comprises a cylinder, a regulating gear 38, a nut and a bearing 39, the outer wall of the cylinder is fixedly sleeved with the regulating gear 38, the second teeth of the regulating gear are meshed with the first teeth of the pressure regulating disc, the outer wall of the cylinder at one side of the regulating gear is fixedly connected with the inner ring of the bearing, and the end face of the cylinder close to the bearing is fixedly provided with the nut; the box body is provided with an opening along the second direction, and the torque adjusting mechanism 24 can be fixedly arranged in the opening through a bearing 29; when the output torque needs to be regulated, the torque regulating mechanism is inserted into the opening of the box body, so that the second teeth of the regulating gear are meshed with the first teeth of the pressure regulating disc inside the reduction box, the external hexagonal nut is rotated by using the wrench, the regulating gear drives the pressure regulating disc to rotate, the position of the pressure regulating disc in threaded connection on the second transmission shaft is changed, and the forward rotation or reverse rotation regulation of the pressure regulating disc can be realized.
The structure of the cable guide frame in the invention is as follows: two mutually parallel rectangular guide rails 10 are arranged on a base of a bracket in front of the reel, slide ways 13 are arranged on opposite sides of the two rectangular guide rails 10, as can be seen from the figure, the slide ways 13 are sliding grooves, a mounting sliding seat 15 capable of sliding back and forth is arranged in the slide ways 13, a hinging seat 16 is arranged on the upper side of the mounting sliding seat 15, a cable guiding cantilever 2 is hinged on the hinging seat 16, a retraction cylinder 9 is hinged on the rectangular guide rail (on one side of the slide way) behind the mounting sliding seat, a piston rod of the retraction cylinder 9 is hinged with the cable guiding cantilever (above a hinging shaft between the cable guiding cantilever and the hinging seat), and the retraction cylinder can drive the cable guiding cantilever to swing around the hinging shaft between the cable guiding cantilever and the hinging seat; the upper parts of the front sides of the two mutually parallel rectangular guide rails are respectively provided with a wedge-shaped limit guide block 4 with the rear side inclined upwards from back to front, two sides of the guide cable cantilever are provided with guide sliding strips 5 matched with the wedge-shaped limit guide blocks 4, the front ends of the guide sliding strips 5 are provided with arc-shaped guide surfaces matched with the inclined surfaces of the wedge-shaped limit guide blocks, after the arc-shaped guide surfaces are contacted with the inclined surfaces of the wedge-shaped limit guide blocks, the guide cable cantilever moves forwards, the arc-shaped guide surfaces are matched with the inclined surfaces of the wedge-shaped limit guide blocks to push the guide cable cantilever to swing upwards around the hinge shaft between the guide cable cantilever and the hinge seat, and when the lower side of the guide sliding strips is positioned on the upper side of the wedge-shaped limit guide blocks, the guide cable cantilever stretches straight and forwards; the two rectangular guide rails at the rear side of the wedge-shaped limiting guide block are respectively provided with a locking hydraulic cylinder 11, a piston rod of the locking hydraulic cylinder 11 can inwards extend out of the slide way, a locking jack matched with the piston rod of the locking hydraulic cylinder is arranged on the mounting slide seat, and the piston rod of the locking hydraulic cylinder can be inserted into the locking jack when extending out of the slide way, so that the front and rear directions of the mounting slide seat are locked. A limit stop 14 is arranged in a slide way at the rear side of the locking hydraulic cylinder; when the mounting sliding seat slides backwards to be in contact with the limit stop, the piston rod of the locking hydraulic cylinder is opposite to the locking jack, so that the insertion operation is facilitated. The retractable hydraulic cylinder is a multi-stage hydraulic cylinder, and the locking hydraulic cylinder and the retractable hydraulic cylinder are connected with the hydraulic system through the controller and can control the expansion and contraction of the piston rod.
The two opposite sides of the two rectangular guide rails are respectively hinged with a retraction cylinder, and the front ends of piston rods of the two retraction cylinders are respectively hinged with two sides of the cable guiding cantilever. The cable guiding cantilever can be inclined downwards by 20-45 degrees from back to front between the two rectangular guide rails. The cable is led out from the reel, and is connected with a shore power connector 1 after passing through a wire guide hole at the front end of the cable guiding cantilever. The elastic pushing mechanism comprises a spring pressure plate 36 and springs 35, the springs 35 are distributed in a circular array, one ends of the springs 35 are connected with the spring pressure plate 36, the other ends of the springs are connected with the first friction plate 34, and the pressure adjusting plate adjusts the position of the spring pressure plate so as to adjust the compression degree of the springs, so that the friction force of the worm wheel of the first friction plate is changed. The spring pressing plate is characterized in that a first limit column is arranged on the side face of the mounting spring of the spring pressing plate, a second limit column is arranged on the side face of the mounting spring of the first friction plate, two ends of the spring are respectively inserted into the first limit column and the second limit column, the spring is not easy to break away in the use process, and the spring is easy to detach and replace under the action of manpower. The box comprises an upper box body 25 and a lower box body 20, and the upper box body 25 is connected with the lower box body 20 through fasteners, so that the overhaul is convenient.
The structure of the cable guide cantilever in the invention is as follows: the device comprises a guide roller left supporting arm, a guide roller right supporting arm, a group of guide rollers, a cable limiting roller, a supporting arm turning shaft, a turning shaft supporting frame and a turning shaft operating device, wherein the guide roller left supporting arm and the guide roller right supporting arm are arranged in parallel, a left roller connecting plate extends at one end of the guide roller left supporting arm, which faces the cable limiting roller, a left roller matching cavity is formed in the left roller connecting plate, a left roller is arranged at a position corresponding to the left roller matching cavity, a right roller connecting plate extends at one end of the guide roller right supporting arm, which faces the cable limiting roller, a right roller matching cavity is formed in the right roller connecting plate, a right roller is arranged at a position corresponding to the right roller matching cavity, a group of guide rollers are arranged between the guide roller left supporting arm and the right supporting arm in a spaced state, each guide roller shaft is arranged at the left end and the right end of each guide roller shaft, the left roller and the right end of each guide roller shaft are respectively fixed with the guide roller left supporting arm and the right supporting arm, and the guide roller is sleeved in the middle of the guide roller shaft. The cable limiting roller is arranged between the left roller connecting plate and the right roller connecting plate at the position corresponding to the front ends of the left roller and the right roller, the supporting arm turning shaft is fixed with the left supporting arm and the right supporting arm of the guide roller at the position corresponding to the rear ends of the left supporting arm and the right supporting arm of the guide roller at the same time, the left end of the supporting arm turning shaft extends out of one side of the left supporting arm of the guide roller opposite to the right supporting arm of the guide roller, the right end of the supporting arm turning shaft extends out of one side of the right supporting arm of the guide roller opposite to the left supporting arm of the guide roller, the turning shaft supporting frame is fixed on a deck of the ship at the position corresponding to one side of the left supporting arm of the guide roller opposite to the right supporting arm of the guide roller through screw holes at the lower part of the supporting frame and is fixed with the left supporting arm of the guide roller at the same time by turning shaft supporting frame screws, the left end of the supporting arm turning shaft is rotatably supported on the turning shaft supporting frame, the turning shaft operating device is fixed on a deck of the ship at the corresponding to one side of the guide roller opposite to the left supporting arm, and the turning shaft operating device is connected with the turning shaft of the turning shaft.
The structure of the cable guiding cantilever is the same as the cantilever part of the cable guiding mechanism disclosed in the patent of the invention with the name of a shore power cable winding and unwinding device for ships and the application number of 201410570984.7, and the description is omitted.
According to the shore power cable management method for the ship, the output torque of a constant torque reduction box is set according to tensile property parameters of the shore power cable used by the ship, a torque adjusting mechanism is inserted into an opening of the box body, so that second teeth of an adjusting gear are meshed with first teeth of a pressure adjusting disc in the reduction box, an external hexagonal nut is rotated by using a wrench, the adjusting gear drives the pressure adjusting disc to rotate, the position of the pressure adjusting disc in threaded connection on a second transmission shaft is changed, the friction force between a worm wheel and the first friction disc and the friction force between the worm wheel and the second friction disc are changed, and the output torque of the constant torque reduction box is changed. When the load exceeds the set torque of the reduction gearbox, the worm wheel and the first friction disk and the second friction disk on two sides of the worm wheel generate sliding friction, so that the cable is prevented from being damaged.
Further, when the ship enters the port to stop in the stormy wave environment, the piston rod of the locking hydraulic cylinder is retracted from the locking jack, the retraction hydraulic cylinder pushes the cable guiding cantilever forwards (above) to drive the installation sliding seat to slide forwards until the lower side surface of the guiding sliding strip is pushed to be positioned on the upper side surface of the wedge-shaped limiting guide block, and the cable guiding cantilever stretches straight forwards; at the moment, the front end of the cable is farthest from the side surface of the ship, so that the power connection operation of cable wiring personnel is facilitated; after the cable wiring personnel completes the electricity connection, the winding and unwinding oil cylinder drags the cable guiding cantilever backwards to drive the installation sliding seat to slide backwards, and after the guiding sliding strip is separated from the wedge-shaped limiting guide block, the piston rod of the locking hydraulic cylinder extends out and is inserted into the locking jack to lock the installation sliding seat. When needed, the piston rod of the retraction cylinder is pushed forward to drive the cable guiding cantilever to swing around the hinge shaft between the cable guiding cantilever and the hinge seat until the front lower side of the cable guiding cantilever is positioned against the ship board, so that a stable supporting and guiding effect is provided for the cable. When the ship stably enters the port to stop under the calm wind environment, the piston rod of the locking hydraulic cylinder is always in the locking jack, the piston rod of the retraction hydraulic cylinder is pushed forward to drive the cable guiding cantilever to swing around the hinge shaft between the cable guiding cantilever and the hinge seat to be positioned by being attached to the ship board at the lower side of the front part of the cable guiding cantilever, and a stable supporting and guiding effect is provided for the cable. When the cable is retracted, the piston rod of the retraction cylinder drags the cable guiding cantilever backwards, so that the cable guiding cantilever swings upwards around the hinge shaft between the cable guiding cantilever and the hinge seat until the front end of the cable guiding cantilever is retracted into the shipboard or is abutted against the reel; compact structure and small occupied space.
Compared with the prior art, the constant-torque reduction gearbox can output constant torque, has the advantages of simple and reliable structure, simple torque adjusting structure, convenient operation and high torque adjusting precision, and can also adjust the output torque when the reduction gearbox is powered off, and is convenient and safe to adjust. When the ship enters the port to stop under the condition of wind waves and slight swing, the shore power connector can be far away from the side surface of the ship, so that the power connection operation is convenient, and the safety of the operation is improved.
Claims (8)
1. The utility model provides a boats and ships shore power cable management system, includes cable, support, reel, cable guide frame, feed mechanism, actuating system, control box, and the reel is rotatable installs on the support, and the cable twines on the reel, and cable guide frame, feed mechanism, actuating system and control box are installed on the base of support, its characterized in that actuating system include motor, constant torque reduction gearbox include the box, be provided with the baffle in the box, rotate along first direction between baffle and the box and be provided with first transmission shaft, first transmission shaft is the worm, first transmission shaft is connected with the pivot of the motor that sets up in the box outside; the pressure regulating disc is in threaded connection with the second transmission shaft, the elastic pushing mechanism, the first friction disc and the worm wheel are movably sleeved, and the second friction disc and the speed reduction pinion are fixedly sleeved; a third transmission shaft is rotatably arranged on the box body along the second direction, and a reduction gear wheel meshed with the reduction pinion is fixedly sleeved on the third transmission shaft; an output chain wheel is arranged on a third transmission shaft at the outer side of the box body and is connected with the reel through a transmission chain; the outer edge of the pressure regulating disc is provided with first teeth at intervals along the circumferential direction, the position of the pressure regulating disc on the second transmission shaft is regulated by a torque regulating mechanism, the torque regulating mechanism comprises a cylinder, a regulating gear, a nut and a bearing, the outer wall of the cylinder is fixedly sleeved with the regulating gear, the second teeth of the regulating gear are meshed with the first teeth of the pressure regulating disc, the outer wall of the cylinder at one side of the regulating gear is fixedly connected with the inner ring of the bearing, and the end face of the cylinder close to the bearing is fixedly provided with the nut; the box body is provided with an opening along a second direction, and the torque adjusting mechanism can be arranged on the opening; the structure of the cable guide frame is as follows: the base of the bracket in front of the reel is provided with two mutually parallel rectangular guide rails, opposite sides of the two rectangular guide rails are provided with slide ways, a mounting slide seat capable of sliding back and forth is arranged in the slide ways, a hinging seat is arranged on the upper side of the mounting slide seat, a cable guiding cantilever is hinged on the hinging seat, a retraction cylinder is hinged on the rectangular guide rail behind the mounting slide seat, a piston rod of the retraction cylinder is hinged with the cable guiding cantilever, and the retraction cylinder can drive the cable guiding cantilever to swing around a hinging shaft between the cable guiding cantilever and the hinging seat; the upper parts of the front sides of the two mutually parallel rectangular guide rails are respectively provided with a wedge-shaped limiting guide block which inclines upwards from back to front, two sides of the guide cable cantilever are provided with guide sliding strips matched with the wedge-shaped limiting guide blocks, the front ends of the guide sliding strips are provided with arc-shaped guide surfaces matched with the inclined surfaces of the wedge-shaped limiting guide blocks, after the arc-shaped guide surfaces are contacted with the inclined surfaces of the wedge-shaped limiting guide blocks, the guide cable cantilever moves forwards, the arc-shaped guide surfaces are matched with the inclined surfaces of the wedge-shaped limiting guide blocks to push the guide cable cantilever to swing upwards around the hinge shaft between the guide cable cantilever and the hinge seat, and when the lower side surfaces of the guide sliding strips are positioned on the upper side surfaces of the wedge-shaped limiting guide blocks, the guide cable cantilever stretches straight; the two rectangular guide rails at the rear side of the wedge-shaped limit guide block are respectively provided with a locking hydraulic cylinder, a piston rod of the locking hydraulic cylinder can extend out of the slideway, a locking jack matched with the piston rod of the locking hydraulic cylinder is arranged on the mounting sliding seat, and the piston rod of the locking hydraulic cylinder extends into the slideway and is inserted into the locking jack to lock the front and rear directions of the mounting sliding seat; the cable is led out from the reel, and is connected with a shore power connector after passing through a wire guide hole at the front end of the cable guiding cantilever.
2. The marine shore power cable management system of claim 1, wherein a limit stop is provided in the slideway at the rear side of the locking cylinder.
3. The marine shore power cable management system of claim 2, wherein the two rectangular guide rails are hinged with a retraction cylinder respectively on opposite sides, and the front ends of piston rods of the retraction cylinders are hinged with two sides of the cable guiding cantilever respectively.
4. The marine shore power cable management system of claim 1, 2 or 3, wherein the elastic pushing mechanism comprises a spring pressing plate and springs, the springs are arranged in a circular array, one end of each spring is connected with the spring pressing plate, the other end of each spring is connected with the first friction plate, and the pressure adjusting plate adjusts the position of the spring pressing plate, so that the compression degree of each spring is adjusted, and the friction force of the worm wheel of the first friction plate is changed.
5. The ship shore power cable management system of claim 4, wherein the side surface of the spring pressing plate, on which the spring is mounted, is provided with a first limit post, the side surface of the spring, on which the spring is mounted, of the first friction plate is provided with a second limit post, two ends of the spring are respectively inserted into the first limit post and the second limit post, the spring is not easy to break away in the use process, and the spring is easy to detach and replace under the action of manpower.
6. The marine shore power cable management system of claim 5, wherein the housing comprises an upper housing and a lower housing, the upper housing and the lower housing being connected by fasteners for easy access.
7. A ship shore power cable management method realized by the ship shore power cable management system according to claim 1 comprises the steps of setting output torque of a constant torque reduction box according to tensile property parameters of a shore power cable used by a ship, inserting a torque adjusting mechanism into an opening of the box body, enabling second teeth of an adjusting gear to be meshed with first teeth of a pressure adjusting disc in the reduction box, rotating an external hexagonal nut by using a wrench, enabling the adjusting gear to drive the pressure adjusting disc to rotate, enabling the position of the pressure adjusting disc in threaded connection on a second transmission shaft to change, further changing friction force between a worm wheel and the first friction disc and friction force between the pressure adjusting disc and the second friction disc, and changing output torque of the constant torque reduction box.
8. The marine vessel shore power cable management method of claim 7, wherein: when the ship enters the port to stop in the stormy wave environment, the piston rod of the locking hydraulic cylinder is retracted from the locking jack, the retraction hydraulic cylinder pushes the cable guiding cantilever forwards to drive the installation sliding seat to slide forwards, and the cable guiding cantilever stretches straight forwards until the lower side surface of the guiding sliding strip is pushed to be positioned on the upper side surface of the wedge-shaped limiting guide block; at the moment, the front end of the cable is farthest from the side surface of the ship, so that the power connection operation of cable wiring personnel is facilitated; after the cable wiring personnel completes the electricity connection, the winding and unwinding oil cylinder drags the cable guiding cantilever backwards to drive the installation sliding seat to slide backwards, and after the guiding sliding strip is separated from the wedge-shaped limiting guide block, the piston rod of the locking hydraulic cylinder extends out and is inserted into the locking jack to lock the installation sliding seat.
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| CN202210338252 | 2022-04-01 | ||
| CN202210338252X | 2022-04-01 |
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| CN115818484B (en) * | 2023-02-22 | 2023-04-25 | 江苏健龙电器有限公司 | Transmission system of speed reducer |
| CN115872246B (en) * | 2023-02-27 | 2023-05-09 | 江苏健龙电器有限公司 | Built-in elastic protection speed reducer |
| CN115864734B (en) * | 2023-03-01 | 2023-05-26 | 江苏健龙电器有限公司 | Drive assembly for cable management system |
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