CN112093597A - Port shore power cable lifting and conveying device - Google Patents
Port shore power cable lifting and conveying device Download PDFInfo
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- CN112093597A CN112093597A CN202010988865.9A CN202010988865A CN112093597A CN 112093597 A CN112093597 A CN 112093597A CN 202010988865 A CN202010988865 A CN 202010988865A CN 112093597 A CN112093597 A CN 112093597A
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- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 7
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- 230000009467 reduction Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
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- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
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- 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
- B65H75/40—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 mobile or transportable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
- B65H51/02—Rotary devices, e.g. with helical forwarding surfaces
- B65H51/04—Rollers, pulleys, capstans, or intermeshing rotary elements
- B65H51/08—Rollers, pulleys, capstans, or intermeshing rotary elements arranged to operate in groups or in co-operation with other elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
- B65H59/20—Co-operating surfaces mounted for relative movement
- B65H59/22—Co-operating surfaces mounted for relative movement and arranged to apply pressure to material
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- 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
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- 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
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- Electric Cable Installation (AREA)
Abstract
The invention relates to the field of ship shore power systems, in particular to a port shore power cable lifting and conveying device. The invention discloses a lifting and conveying device for a shore power cable of a port, which comprises a movable trolley, a cable drum unit, a telescopic arm unit and a cable conveying unit, wherein the cable drum unit, the telescopic arm unit and the cable conveying unit are arranged on the movable trolley; the telescopic arm unit comprises a vertical telescopic arm mechanism and a horizontal telescopic arm mechanism, the cable conveying unit comprises a first cable conveying mechanism and a second cable conveying mechanism, the first cable conveying mechanism is installed at the left end of the horizontal telescopic arm mechanism, the second cable conveying mechanism is installed at the right end of the horizontal telescopic arm mechanism, roller driving groups in the first cable conveying mechanism and the second cable conveying mechanism respectively comprise an electric roller, a pressing wheel arranged above the electric roller and a roller motor driving the electric roller to rotate, and the electric roller is connected with the roller motor. The invention can efficiently and safely convey the cable.
Description
Technical Field
The invention relates to the field of ship shore power systems, in particular to a port shore power cable lifting and conveying device.
Background
In recent years, with the continuous improvement of the requirements of energy conservation, emission reduction, environmental protection and the like, port management departments have taken measures to reduce the exhaust emission and control the port pollution. At present, a method for supplying power to a ship by using a shore power system for a port-berthing ship is popularized, but in the field of ship shore power cable lifting and conveying equipment, a shore power cable is conveyed to the ship in a butt joint mode by manpower, a crane or a winch, and the mode is complex in operation, time-consuming and labor-consuming. The article disclosed by wurichardson et al describes a shore power cable transport apparatus which includes a column, a hoist, a rope and a telescopic arm, and the shore power cable can be transported to a ship by the rope wound around the hoist and the telescopic arm. However, this device also has a problem that the work efficiency is low because the shore power cable is hung on the rope hook by using manpower. Some shore connection cable promotes conveyor can directly carry shore connection cable to ship on, but general fixed mounting is in the specific position in harbour, can't select best position of use according to the actual berth condition of boats and ships, has seriously influenced harbour operating efficiency, and shore connection cable that cable promotes conveyor's operating time is longer moreover, and the change of full-load no-load or the surface of water height of boats and ships can lead to device and boats and ships to be connected in the course of the work changes, and present device has the unable accurate control's of cable tension problem. The document disclosed next left introduces a hydraulic low-voltage shore power cable lifting and conveying remote monitoring device which is driven by hydraulic pressure and can convey a cable to a ship through the cooperation of a telescopic arm, a winding drum and a cable conveying mechanism. But the device also has the unable operating position of adjustment and unable monitoring and control cable tension scheduling problem, owing to adopt hydraulic drive in addition, can lead to a large amount of hydraulic pressure oil pipe to expose in the device outside, and oil pipe still can go up and down along with flexible arm together, not only has the potential safety hazard, but also influences the clean and tidy aesthetic property of device. No methods or techniques to solve or improve on these problems have been found.
Disclosure of Invention
In order to solve the problems, the invention aims to provide a lifting and conveying device for a shore power cable of a port, which can realize efficient and safe conveying of the cable.
In order to achieve the purpose, the lifting and conveying device for the shore power cable of the port comprises a moving trolley and a cable drum unit arranged on the moving trolley, and is characterized by further comprising a telescopic arm unit arranged on the moving trolley and a cable conveying unit arranged on the telescopic arm unit;
the telescopic boom unit comprises a vertical telescopic boom mechanism and a horizontal telescopic boom mechanism, the vertical telescopic boom mechanism comprises a plurality of vertical telescopic booms which are sequentially connected in a nested manner from bottom to top and a lifting hydraulic cylinder for driving the plurality of vertical telescopic booms to extend and retract up and down, one end of the lifting hydraulic cylinder is connected with the vertical telescopic boom at the top, and the other end of the lifting hydraulic cylinder is connected with the vertical telescopic boom at the bottom; the horizontal telescopic arm mechanism comprises a plurality of horizontal telescopic arms which are sequentially connected in a nested manner from left to right and an electric push rod for driving the plurality of horizontal telescopic arms to stretch left and right, one electric push rod is arranged between every two adjacent horizontal telescopic arms, and the horizontal telescopic arm mechanism is arranged at the top of the vertical telescopic arm mechanism;
the cable conveying unit comprises a first cable conveying mechanism and a second cable conveying mechanism, the first cable conveying mechanism is installed at the left end of the horizontal telescopic arm mechanism, the second cable conveying mechanism is installed at the right end of the horizontal telescopic arm mechanism, the first cable conveying mechanism comprises a first support and a plurality of groups of roller driving groups arranged on the first support, and the plurality of groups of roller driving groups are uniformly arranged on the first support along the arc surface of the vertical plane; the second cable conveying mechanism comprises a second bracket and two or more groups of roller driving groups arranged on the second bracket, wherein the two or more groups of roller driving groups are uniformly arranged on the second bracket along the arc surface of the vertical plane; the roller driving groups in the first cable conveying mechanism and the second cable conveying mechanism respectively comprise an electric roller, a pressing wheel arranged above the electric roller and a roller motor driving the electric roller to rotate, the electric roller is connected with the roller motor, a pressing cavity for conveying cables is formed between the pressing wheel and the electric roller, the cables are in interference fit with the pressing cavity, and the roller motor drives the electric roller to rotate so as to drive the cables to move forwards or retract.
As the preferred scheme, flexible arm unit still includes multiunit direction roller train, and multiunit direction roller train is installed respectively on perpendicular flexible arm and the flexible arm of level, and every group direction roller train all includes guide bracket and two gyro wheels, and two gyro wheels pass through the gyro wheel pivot and set up on guide bracket, and the plane at two gyro wheel pivot places is perpendicular with the flexible arm at place, is equipped with the space that is used for the cable to stretch into between two gyro wheels.
As preferred scheme, the cable drum unit includes cable drum and drive cable drum pivoted reel actuating mechanism, and reel actuating mechanism includes reduction gear, hysteresis coupling and inverter motor, and inverter motor's output shaft passes through the hysteresis coupling and links to each other with the reduction gear input shaft, and the reduction gear output shaft links to each other with the axis of rotation of cable drum.
As a preferred scheme, the harbour shore power cable lifting and conveying device further comprises a cable tension control system, the cable tension control system comprises two tension sensors and a controller, the two tension sensors are respectively arranged on the guide roller groups on the vertical telescopic arm and the horizontal telescopic arm, the signal input port of the controller is respectively connected with the two tension sensors, and the output end of the controller is respectively connected with the variable frequency motor of the cable drum unit and the roller motor of the cable conveying unit.
Preferably, the telescopic boom unit further comprises a universal pulley block, the universal pulley block comprises a base and a plurality of universal pulleys, the universal pulleys are uniformly arranged along the circumference of a horizontal plane, and the universal pulleys form a cavity through which a cable penetrates.
Preferably, the telescopic boom unit further comprises a slewing bearing and a flange support, and the bottom vertical telescopic boom of the vertical telescopic boom mechanism of the telescopic boom unit is connected with the moving trolley through the slewing bearing and the flange support.
As a preferred scheme, the cable conveying unit further comprises a pressing mechanism, the pressing mechanism comprises a pressing plate, a connecting rod, adjusting holes respectively formed in the first support and the second support, and a telescopic mechanism capable of adjusting the pressing plate to move up and down, one end of the connecting rod is fixed on the pressing plate, the other end of the connecting rod is connected with a pressing wheel rotating shaft, and the pressing wheel rotating shaft is adjusted by moving up and down along the axis direction of the adjusting holes through the pressing mechanism.
Preferably, the first cable conveying mechanism comprises four roller driving groups, namely a first roller driving group, a second roller driving group, a third roller driving group and a fourth roller driving group; the electric roller and the pinch roller in each group of roller driving group are respectively connected with the first bracket through a roller rotating shaft and a pinch roller rotating shaft; the plane of the pinch roller rotating shaft and the roller rotating shaft of the first roller driving group forms an included angle of 30 degrees with the horizontal plane, the plane of the pinch roller rotating shaft and the roller rotating shaft of the second roller driving group forms an included angle of 45 degrees with the horizontal plane, the plane of the pinch roller rotating shaft and the roller rotating shaft of the third roller driving group forms an included angle of 60 degrees with the horizontal plane, and the plane of the pinch roller rotating shaft and the roller rotating shaft of the fourth roller driving group is vertical to the horizontal plane; the second cable conveying mechanism comprises two groups of roller driving groups, namely a fifth roller driving group and a sixth roller driving group, a pressing wheel rotating shaft and a roller rotating shaft in the fifth roller driving group are arranged on a plane, and form an included angle of 30 degrees with the horizontal plane, and a pressing wheel rotating shaft and a roller rotating shaft in the sixth roller driving group are arranged on a plane, and are parallel to the horizontal plane.
As a preferred scheme, the cable drum is provided with two groups, namely a cable winding drum connected with a shore power supply, a cable conveying drum for conveying cables to a ship and a cable conveying drum driving mechanism for driving the cable winding drum and the cable conveying drum to rotate, two winding and unwinding cables are wound in the cable winding drum, two conveying cables are wound in the cable conveying drum, the power plugging ends of the two winding and unwinding cables are connected with the shore power supply, the conductive ends of the two winding and unwinding cables are correspondingly connected with the conductive ends of the two conveying cables, and the conveying ends of the two conveying cables sequentially penetrate into the universal pulley block, the guide roller set and the cable conveying unit to be conveyed to the ship.
Compared with the existing shore power cable lifting device, the port shore power cable lifting and conveying device has the following advantages:
(1) according to the invention, by additionally arranging the telescopic arm unit and the cable conveying unit, the telescopic arm unit can meet the requirements of various heights and positions, and the cable conveying unit can ensure that cables can be conveyed efficiently and safely.
(2) According to the invention, the cable tension control system is additionally arranged to monitor and control the cable tension, so that the problem that the cable is damaged due to overlarge tension and is too loose due to undersize tension is avoided.
(3) The arrangement of the roller driving groups in the cable conveying unit is beneficial to the conveying of cables, the resistance of the cable conveying is reduced, and the efficiency of the cable conveying is improved.
(4) The universal pulley block of the invention keeps the bending radius of the cable in a larger range in the conveying process, and prolongs the service life of the cable.
Drawings
FIG. 1 is a diagram of the lifting and conveying device for the shore power cable of the port of the present invention;
FIG. 2 is a state diagram of the port shore power cable lifting and conveying device of the present invention when not in operation;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is an enlarged view of portion A of FIG. 3;
FIG. 5 is a left side view of FIG. 4;
FIG. 6 is a diagram of a set of roller drive assemblies and cables of FIG. 4;
the components in the figures are numbered as follows:
a mobile cart 100;
a cable reel unit 200, a cable reel 210, a cable reel 211, a cable plug end 211a, a cable reel 211b, a cable feeding reel 212, a cable feeding end 212a, a cable feeding cable 212b, a reel driving mechanism 220, a reducer 221, a hysteresis coupling 222, and a variable frequency motor 223;
the telescopic arm unit 300, a vertical telescopic arm mechanism 310, a vertical telescopic arm 311, a lifting hydraulic cylinder 312, a slewing bearing 313, a horizontal telescopic arm mechanism 320, a horizontal telescopic arm 321, an electric push rod 322, a guide roller group 330, a guide bracket 331, a roller 332, a universal pulley block 340, a base 341 and a universal pulley 342;
the cable feeding device comprises a cable feeding unit 400, a first cable feeding mechanism 410, a first bracket 411, a roller driving group 412, an electric roller 412a, a pressing wheel 412b, a roller motor 412c, a pressing cavity 412d, a roller rotating shaft 412e, a pressing wheel rotating shaft 412f, an encapsulation 412g, a first roller driving group 413, a second roller driving group 414, a third roller driving group 415, a fourth roller driving group 416, a second cable feeding mechanism 420, a second bracket 421, a fifth roller driving group 422, a sixth roller driving group 423, a pressing device 430, a pressing plate 431, a connecting rod 432, an adjusting hole 433, a telescopic mechanism 434, a cable tension control system 500, a tension sensor 510, a controller 520 and a cable 600.
Detailed Description
As shown in fig. 1, 2 and 3, the device for lifting and conveying a harbor shore power cable of the present embodiment is used for lifting and conveying a harbor shore power cable, and includes a moving car 100, a cable reel unit 200 disposed on the moving car 100, a telescopic arm unit 300 disposed on the moving car 100, a cable conveying unit 400 disposed on the telescopic arm unit 300, and a cable tension control system 500.
The mobile car 100 is connected with a wireless remote control device, the movement of the mobile car 100 is controlled by the wireless remote control device, the telescopic arm unit 300 is arranged at the front part of the mobile car 100, the cable drum unit 200 is arranged at the rear part of the mobile car 100, and the cable conveying unit 400 is arranged on the telescopic arm unit 300.
Referring to fig. 1 and 2, the cable drum unit 200 includes two oppositely disposed cable drums 210 and a drum driving mechanism 220 for driving the two cable drums 210 to rotate, the two cable drums 210 are respectively a cable winding drum 211 and a cable conveying drum 212, two winding cables 211b are wound in the cable winding drum 211, two conveying cables 212b are wound in the cable conveying drum 212, plug-in ends 211a of the two winding cables are connected with an onshore power supply, conductive ends of the two winding cables 211b are correspondingly connected with conductive ends of the two conveying cables 212b, and conveying ends 212a of the two conveying cables 212b sequentially penetrate through a universal pulley block 340, a guide roller set 330 and a cable conveying unit 400 to be conveyed to a ship. The drum driving mechanism 220 comprises a speed reducer 221, a hysteresis coupling 222 and a variable frequency motor 223, wherein an output shaft of the variable frequency motor 223 is connected with an input shaft of the speed reducer 221 through the hysteresis coupling 222, and an output shaft of the speed reducer 221 is respectively connected with rotating shafts of the cable take-up and pay-off drum 211 and the cable conveying drum 212.
As shown in fig. 1, 2 and 3, the telescopic arm unit 300 includes a vertical telescopic arm mechanism 310, a horizontal telescopic arm mechanism 320 and a guide roller group 330; the vertical telescopic arm mechanism 310 comprises a first-stage vertical telescopic arm, a second-stage vertical telescopic arm, a third-stage vertical telescopic arm, a fourth-stage vertical telescopic arm and a fifth-stage vertical telescopic arm which are sequentially arranged from bottom to top, wherein all stages of vertical telescopic arms 311 are sequentially embedded together, a guide slider and a stop block are arranged between all stages of vertical telescopic arms 311 and used for controlling the sliding direction and the stroke of the vertical telescopic arms 311, a lifting hydraulic cylinder 312 is hinged to the bottom of the inner side of the first-stage vertical telescopic arm along the vertical direction, and the other end of the lifting hydraulic cylinder 312 is hinged to the top of the inner side of the fifth-stage vertical telescopic arm; the first-stage vertical telescopic arm is also provided with two groups of universal pulley blocks 340, the universal pulley blocks 340 can keep the bending radius of the cable in a larger range in the conveying process, the service life of the cable is prolonged, and the two groups of universal pulley blocks 340 are respectively used for the first cable 610 and the second cable 620; each group of universal pulley blocks 340 comprises a base 341 and a plurality of universal pulleys 342, the universal pulleys 342 are uniformly arranged along the circumference of a horizontal plane, and the universal pulleys 342 form a cavity through which the cable 600 penetrates.
Referring to fig. 1, fig. 2 and fig. 3, the horizontal telescopic arm mechanism 320 includes a first-stage horizontal telescopic arm, a second-stage horizontal telescopic arm and a third-stage horizontal telescopic arm in sequence from left to right, the first-stage horizontal telescopic arm is fixed on a fifth-stage vertical telescopic arm, each stage of horizontal telescopic arm 321 is sequentially nested together, a guide slider and a stop block are arranged between each stage of horizontal telescopic arm 321 for controlling the sliding direction and the limited stroke of the horizontal telescopic arm 321, an electric push rod 322 is hinged to the upper side wall of the tail part of the first-stage horizontal telescopic arm along the horizontal direction, the other end of the electric push rod 322 is hinged to the upper side wall of the head part of the second-stage horizontal telescopic arm, an electric push rod 322 is hinged to the inner side tail part of the second-stage horizontal telescopic arm along the horizontal direction, and the other end of the electric push rod 322. The guide roller group 330 is provided with five groups, namely a first guide roller group, a second guide roller group, a third guide roller group, a fourth guide roller group and a fifth guide roller group; each group of guide roller groups 330 comprises two guide rollers, each guide roller comprises a guide support 331 and two rollers 332, the two rollers 332 are arranged on the guide support 331 through roller rotating shafts, a gap for the cable 600 to extend into is arranged between the two rollers 332, and the two guide rollers are arranged for leading in two cables; first direction roller train and second direction roller train set up respectively on the first order is flexible arm perpendicularly and the perpendicular flexible arm of second level, the third direction roller train, the fourth direction roller train, the fifth direction roller train sets up respectively at the flexible arm of first order level, the flexible arm of second level, on the flexible arm of third level, the plane at the gyro wheel pivot place of two gyro wheels in every group direction roller train is perpendicular with the flexible arm at place, guarantee promptly that the direction of every group direction roller train 330 delivery cable is parallel with perpendicular flexible arm 311 and the flexible arm 321 of level respectively, avoid the cable to walk partially. The bottom end of the first stage vertical telescopic arm of the vertical telescopic arm mechanism 310 is connected with the trolley 100 through a slewing bearing 313 and a flange support, so that the telescopic arm unit 300 can rotate for 360 degrees.
As shown in fig. 1, 4, 5 and 6, the cable feeding unit 400 includes a first cable feeding mechanism 410 installed at a fixed end of the first-stage horizontal telescopic arm, a second cable feeding mechanism 420 installed at a telescopic end of the third-stage horizontal telescopic arm, and a pressing device 430; referring to fig. 6, the first cable conveying mechanism 410 includes a first bracket 411 and four sets of drum driving sets 412 disposed on the first bracket 411, each set of drum driving set 412 includes a motorized drum 412a and two pressing wheels 412b disposed above the motorized drum 412a, a drum rotating shaft 412e of the motorized drum 412a is connected to a drum motor 412c, the motorized drum 412a is driven by the drum motor 412c to rotate, the two pressing wheels 412b are coaxially and transversely disposed, a pressing cavity 412d for conveying a first cable 610 and a pressing cavity 412d for conveying a second cable 620 are respectively formed between the two pressing wheels 412b and the motorized drum 412a, an outer wall of the motorized drum 412a is covered with a rubber coating 412g, so that the first cable 610 and the second cable 620 are pressed between the pressing wheels 412b and the motorized drum 412a, when the motorized drum 412a rotates, the first cable 610 and the second cable 620 are released or retracted under the driving of the motorized drum 412a, two groups of pressing devices 430 are arranged in the first cable conveying mechanism 410, one group of pressing devices 430 is arranged in the second cable conveying mechanism 420, taking the structure of the pressing devices 430 in the first cable conveying mechanism 410 as an example, each pressing device 430 comprises a pressing plate 431, four connecting rods 432, an adjusting hole 433 arranged on the first support 411 and a telescopic mechanism 434 capable of adjusting the pressing plate 431 to move up and down, the pressing plate 431 is arranged between the two groups of roller driving groups 412, two ends of one side of the pressing plate 431 are respectively connected with two ends of one group of pressing wheel rotating shafts 412f through the two connecting rods 432, two ends of the other side of the pressing plate 431 are respectively connected with two ends of the other group of pressing wheel rotating shafts 412f through the two connecting rods 432, the telescopic mechanism 434 is arranged on the pressing plate 431 and comprises a screw rod, a nut and a spring, the screw rod penetrates through the pressing plate 431, the nut is arranged on the upper surface of the pressing, the spring sleeve is arranged on the screw rod, the pressing plate 431 moves downwards by screwing the nut to compress the spring, the adjusting hole 433 is in a long strip shape, the pressing wheel rotating shaft 412f extends into the adjusting hole 433, the pressing plate 431 is pressed through the telescopic mechanism, the pressing wheel rotating shaft 412f is driven to move up and down along the adjusting hole 433, and then the two conveying cables 212b are tightly pressed on the electric roller 412a and the two pressing wheels 412 b.
The four roller driving groups 412 of the first cable conveying mechanism 410 are uniformly arranged along the arc surface of the vertical plane, that is, the plane where the pressing wheel rotating shaft 412f and the roller rotating shaft 412e of the first roller driving group 413 are located forms an included angle of 30 degrees with the horizontal plane, the plane where the pressing wheel rotating shaft 412f and the roller rotating shaft 412e of the second roller driving group 414 are located forms an included angle of 45 degrees with the horizontal plane, the plane where the pressing wheel rotating shaft 412f and the roller rotating shaft 412e of the third roller driving group 415 are located forms an included angle of 60 degrees with the horizontal plane, and the plane where the pressing wheel rotating shaft 412f and the roller rotating shaft 412e of the fourth roller driving group 416 are located is perpendicular to the horizontal. The second cable conveying mechanism 420 comprises a second support 421 and two groups of roller driving groups 412 arranged on the second support 421, which are a fifth roller driving group 422 and a sixth roller driving group 423 respectively, wherein a plane where a pressure roller rotating shaft 412f and a roller rotating shaft 412e in the fifth roller driving group 422 are located forms an included angle of 30 degrees with a horizontal plane, and a plane where the pressure roller rotating shaft 412f and the roller rotating shaft 412e in the sixth roller driving group 423 are located is parallel with the horizontal plane.
The port shore power cable lifting and conveying device of the embodiment further includes a cable tension control system 500, the cable tension control system 500 includes two tension sensors 510 and a controller 520, the two tension sensors 510 are respectively installed on the first guide roller set and the fifth guide roller set, a signal input port of the controller 520 is respectively connected with the two tension sensors 510, an output port of the controller 520 is respectively connected with the variable frequency motor 223 of the cable drum unit 200 and the drum motor 412c of the cable conveying unit 400, during the cable unwinding or cable winding process, the two tension sensors 510 respectively detect the tension of the cables at the two ends of the telescopic arm unit 300, if the tension is abnormal, the controller 520 controls the rotating speeds of the variable frequency motor 223 and the drum motor 412c, and the problem of excessive cable tension or excessive cable loosening is avoided.
Referring to fig. 1, the cable laying process of the lifting and conveying device for the shore power cable in the port of this embodiment is as follows:
s1: according to the actual stop position of the ship, the mobile trolley 100 is controlled by using a remote control device to be in a proper working position, the plug-in end 211a of the cable winding drum 211 for winding and unwinding the cable is connected with an onshore power supply, the cable winding drum 211 is matched with the cable winding during the movement of the mobile trolley 100, the length of the winding and unwinding cable 211b connected with the onshore power supply can be ensured to be adaptively changed along with the movement of the mobile trolley, after the target position is reached, the telescopic mechanism 434 of the pressing device 430 is adjusted by using a torque wrench, so that the conveying cable 212b is pressed by the first cable conveying mechanism 410 and the second cable conveying mechanism 420, and the preparation work of power supply is completed;
s2: the lifting hydraulic cylinder 312 drives the vertical telescopic arm mechanism 310 to ascend until a specified height position is reached, and the cable conveying drum 212 is matched with synchronous cable releasing;
s3: rotating the telescopic arm unit 300 through the slewing bearing 313 and the flange bracket until a designated angle is reached;
s4: the electric push rod 322 drives the horizontal telescopic arm mechanism 320 to extend forwards, when the horizontal telescopic arm extends out, the cable conveying unit 400 synchronously conveys cables under the driving of the electric roller 412a, the speed of the conveyed cables is ensured to be equal to the extending speed of the electric push rod, meanwhile, the cable conveying drum 212 is matched with cable laying, and when the specified position is reached, the extending action of the horizontal telescopic arm mechanism 320 is completed immediately;
s5: the first cable feeding mechanism 410 and the second cable feeding mechanism 420 continue to drive the cable to realize further feeding of the cable, and when the cable reaches the required feeding length, the cable feeding drum 212 and the cable feeding unit 400 stop working simultaneously, and the cable is fed completely.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A port shore power cable lifting and conveying device comprises a mobile trolley (100) and a cable drum unit (200) arranged on the mobile trolley (100), and is characterized by further comprising a telescopic arm unit (300) arranged on the mobile trolley (100) and a cable conveying unit (400) arranged on the telescopic arm unit (300);
the telescopic arm unit (300) comprises a vertical telescopic arm mechanism (310) and a horizontal telescopic arm mechanism (320), the vertical telescopic arm mechanism (310) comprises a plurality of vertical telescopic arms (311) which are sequentially connected in a nested manner from bottom to top and a lifting hydraulic cylinder (312) for driving the plurality of vertical telescopic arms (311) to extend up and down, one end of the lifting hydraulic cylinder (312) is connected with the vertical telescopic arm (311) at the top, and the other end of the lifting hydraulic cylinder (312) is connected with the vertical telescopic arm (311) at the bottom; the horizontal telescopic arm mechanism (320) comprises a plurality of horizontal telescopic arms (321) which are sequentially connected in a nested manner from left to right and an electric push rod (322) for driving the plurality of horizontal telescopic arms (321) to stretch left and right, one electric push rod (322) is arranged between every two adjacent horizontal telescopic arms (321), and the horizontal telescopic arm mechanism (320) is arranged at the top of the vertical telescopic arm mechanism (310);
the cable conveying unit (400) comprises a first cable conveying mechanism (410) and a second cable conveying mechanism (420), the first cable conveying mechanism (410) is installed at the left end of the horizontal telescopic arm mechanism (320), the second cable conveying mechanism (420) is installed at the right end of the horizontal telescopic arm mechanism (320), the first cable conveying mechanism (410) comprises a first support (411) and a plurality of groups of roller driving groups (412) arranged on the first support (411), and the plurality of groups of roller driving groups (412) are uniformly arranged on the first support (411) along the arc surface of the vertical plane; the second cable conveying mechanism (420) comprises a second support (421) and two or more groups of roller driving groups (412) arranged on the second support (421), wherein the two or more groups of roller driving groups (412) are uniformly arranged on the second support (421) along the arc surface of the vertical plane; the roller driving groups (412) in the first cable conveying mechanism (410) and the second cable conveying mechanism (420) respectively comprise an electric roller (412a), a pressing wheel (412b) arranged above the electric roller (412a) and a roller motor (412c) for driving the electric roller (412a) to rotate, the electric roller (412a) is connected with the roller motor (412c), a pressing cavity (412d) for conveying the cable (600) is formed between the pressing wheel (412b) and the electric roller (412a), the cable (600) is in interference fit with the pressing cavity (412d), and the roller motor (412c) drives the electric roller (412a) to rotate so as to drive the cable (600) to move forwards or backwards.
2. The port shore power cable lifting and conveying device as claimed in claim 1, wherein the telescopic arm unit (300) further comprises a plurality of guide roller sets (330), the plurality of guide roller sets (330) are respectively installed on the vertical telescopic arm (311) and the horizontal telescopic arm (321), each guide roller set (330) comprises a guide support (331) and two rollers (332), the two rollers (332) are arranged on the guide support (331) through roller rotating shafts, the planes where the two roller rotating shafts are located are perpendicular to the telescopic arm where the two roller rotating shafts are located, and a gap for the cable (600) to extend into is formed between the two rollers (332).
3. The port shore power cable lifting and conveying device as claimed in claim 2, wherein the cable drum unit (200) comprises a cable drum (210) and a drum driving mechanism (220) for driving the cable drum (210) to rotate, the drum driving mechanism (220) comprises a speed reducer (221), a hysteresis coupling (222) and a variable frequency motor (223), an output shaft of the variable frequency motor (223) is connected with an input shaft of the speed reducer (221) through the hysteresis coupling (222), and an output shaft of the speed reducer (221) is connected with a rotating shaft of the cable drum (210).
4. The port shore power cable lifting and conveying device according to claim 3, further comprising a cable tension control system (500), wherein the cable tension control system (500) comprises two tension sensors (510) and a controller (520), the two tension sensors (510) are respectively arranged on the guide roller sets (330) on the vertical telescopic arm (311) and the horizontal telescopic arm (321), the signal input ports of the controller (520) are respectively connected with the two tension sensors (510), and the output ports of the controller (520) are respectively connected with the variable frequency motor (223) of the cable drum unit (200) and the roller motor (412c) of the cable conveying unit (400).
5. The port shore power cable lifting and conveying device according to claim 1, characterized in that the telescopic arm unit (300) further comprises a universal pulley block (340), the universal pulley block (340) comprises a base (341) and a plurality of universal pulleys (342), the plurality of universal pulleys (342) are uniformly arranged along the circumference of the horizontal plane, and the plurality of universal pulleys (342) form a cavity into which the cable (600) penetrates.
6. The port shore power cable lifting and conveying installation according to claim 1, characterised in that the telescopic arm unit (300) further comprises a slewing bearing (313) and a flange support, the bottom vertical telescopic arm (311) of the vertical telescopic arm mechanism (310) of the telescopic arm unit (300) being connected to the mobile trolley (100) by means of the slewing bearing (313) and the flange support.
7. The port shore power cable lifting and conveying device as claimed in claim 1, wherein the cable conveying unit (400) further comprises a pressing device (430), the pressing device (430) comprises a pressing plate (431), a connecting rod (432), adjusting holes (433) respectively formed in the first support (411) and the second support (421), and a telescopic mechanism (434) capable of adjusting the pressing plate (431) to move up and down, one end of the connecting rod (432) is fixed on the pressing plate (431), the other end of the connecting rod (432) is connected with a pressing wheel rotating shaft (412f), and the pressing wheel rotating shaft (412f) is adjusted by the pressing device (430) to move up and down along the axial direction of the adjusting holes (433).
8. The port shore power cable lifting and conveying device as claimed in claim 1, wherein the first cable conveying mechanism (410) comprises four roller driving groups (412), namely a first roller driving group (413), a second roller driving group (414), a third roller driving group (415) and a fourth roller driving group (416); the electric roller (412a) and the pinch roller (412b) in each roller driving group (412) are respectively connected with the first bracket (411) through a roller rotating shaft (412e) and a pinch roller rotating shaft (412 f); the plane where the pressing wheel rotating shaft (412f) and the roller rotating shaft (412e) of the first roller driving group (413) are located forms an included angle of 30 degrees with the horizontal plane, the plane where the pressing wheel rotating shaft (412f) and the roller rotating shaft (412e) of the second roller driving group (414) are located forms an included angle of 45 degrees with the horizontal plane, the plane where the pressing wheel rotating shaft (412f) and the roller rotating shaft (412e) of the third roller driving group (415) are located forms an included angle of 60 degrees with the horizontal plane, and the plane where the pressing wheel rotating shaft (412f) and the roller rotating shaft (412e) of the fourth roller driving group (416) are located is perpendicular to the horizontal plane; the second cable conveying mechanism (420) comprises two groups of roller driving groups (412) which are respectively a fifth roller driving group (422) and a sixth roller driving group (423), a plane where a pressure wheel rotating shaft (412f) and a roller rotating shaft (412e) in the fifth roller driving group (422) are located and a horizontal plane form an included angle of 30 degrees, and a plane where the pressure wheel rotating shaft (412f) and the roller rotating shaft (412e) in the sixth roller driving group (423) are located and the horizontal plane are parallel.
9. Port shore power cable lifting and conveying device according to claim 3, the cable reels (210) are provided with two groups, namely a cable reeling and unreeling reel (211) connected with a shore power supply, a cable conveying reel (212) for conveying a cable to a ship and a reel driving mechanism (220) for driving the cable reeling and unreeling reel (211) and the cable conveying reel (212) to rotate, two retractable cables (211b) are wound in the retractable cable drum (211), two conveying cables (212b) are wound in the cable conveying drum (212), the plug-in ends (211a) of the two retractable cables are connected with a shore power supply, the conductive ends of the two retractable cables (211b) are correspondingly connected with the conductive ends of the two conveying cables (212b), and the conveying ends (212a) of the two conveying cables sequentially penetrate into the universal pulley block (340), the guide roller set (330) and the cable conveying unit (400) to be conveyed to the ship.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010988865.9A CN112093597A (en) | 2020-09-18 | 2020-09-18 | Port shore power cable lifting and conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010988865.9A CN112093597A (en) | 2020-09-18 | 2020-09-18 | Port shore power cable lifting and conveying device |
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| Publication Number | Publication Date |
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| CN112093597A true CN112093597A (en) | 2020-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010988865.9A Pending CN112093597A (en) | 2020-09-18 | 2020-09-18 | Port shore power cable lifting and conveying device |
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| CN (1) | CN112093597A (en) |
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| CN112707231A (en) * | 2021-03-26 | 2021-04-27 | 国网山东省电力公司潍坊市寒亭区供电公司 | Lifting device for cable installation and use method |
| CN113428731A (en) * | 2021-06-30 | 2021-09-24 | 广东皓耘科技有限公司 | Cable applies package and removes operation equipment |
| CN113548548A (en) * | 2021-08-05 | 2021-10-26 | 中铁工程装备集团有限公司 | Pipeline conveying device for shaft construction |
| CN113682901A (en) * | 2021-08-26 | 2021-11-23 | 湖南科美达电气股份有限公司 | Cable drum with cable guiding mechanism |
| CN113788369A (en) * | 2021-09-24 | 2021-12-14 | 淮南矿业(集团)有限责任公司 | Cable laying winding and unwinding device and using method thereof |
| CN114314205A (en) * | 2021-12-22 | 2022-04-12 | 武汉理工大学 | Ship shore power cable lifting device and method based on PID |
| CN114825202A (en) * | 2022-04-01 | 2022-07-29 | 华能国际电力江苏能源开发有限公司 | Shore power cable protection device |
| EP4400463A1 (en) * | 2023-01-13 | 2024-07-17 | Scaleup OÜ | A cable feeding unit for a shore cable management system |
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Application publication date: 20201218 |