CN201999671U - Cable-type pulley lifting system for friction winch - Google Patents
Cable-type pulley lifting system for friction winch Download PDFInfo
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- CN201999671U CN201999671U CN2011201052560U CN201120105256U CN201999671U CN 201999671 U CN201999671 U CN 201999671U CN 2011201052560 U CN2011201052560 U CN 2011201052560U CN 201120105256 U CN201120105256 U CN 201120105256U CN 201999671 U CN201999671 U CN 201999671U
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Abstract
The utility model relates to a cable-type pulley lifting system for a friction winch, which comprises an operating platform, a friction winch and at least three pile legs, wherein the pile legs are vertically sleeved at one end of the operating platform, and the other end of the operating platform is fixedly provided with the friction winch. The upper fixed pulley group and the lower fixed pulley group of the pile legs are arranged corresponding to the upper fixed pulley group and the lower fixed pulley group of the operating platform; one end of a cable is wrapped around the fixed pulley group of the pile legs and the fixed pulley group of the operating platform and is fixed on the operating platform; the other end of the cable is wrapped around the friction drum of the friction winch by a secondary guiding fixed pulley group and an up-and-down rope guiding fixed pulley in a way of one inlet end and one outlet end. The friction winch is provided with a main motor driving system and an auxiliary motor driving system, a main motor and an auxiliary motor drive a friction drum to rotate sequentially by an elastic coupling, a speed reducer, a driving shaft, a big gear and a small gear, so as to drive the cable to go in and out. The friction winch cable-type pulley lifting system is not only simple in structure, continuous in motion, has less impact on the boat or the platform, but is also lower in production cost, lighter in sea maintaining work and better in safety.
Description
Technical field
The utility model relates to a kind of pulley jacking system, relates in particular to a kind of friction winch cable type pulley jacking system, specifically is applicable to the employed cable type jacking system of jack-up drilling unit or jack up wind-powered electricity generation installation ship.
Background technology
Marine mobile unit is mainly used in the exploratory development of marine oil and gas, comprises jack-up drilling unit, submersible drilling unit, semi-submersible drilling unit, drilling ship and drilling barge.Jack-up drilling unit mainly is made up of main platform body, drilling rig, spud leg, jacking system etc., waits remarkable advantage well because it has the strong and job stabilization of stationkeeping ability, has become the soldier at the head of a formation of marine mobile unit already.
Wind-powered electricity generation is installed transportation, installation and the maintenance that the shipowner will be used for the offshore wind farm unit, comprises the jack up wind-powered electricity generation ship, floating-crane ship, semi-submersible crane vessel etc. are installed.The jack up wind-powered electricity generation is installed the shipowner and will be made up of hull, propelling unit, spud leg and jacking system, it has the advantage of floating boats and ships and jack-up platform concurrently, can independently navigate by water, realize transportation function, again can be as the jack-up platform lifting, for marine operation provides the stable operation platform, become the main force that offshore wind farm is installed ship already.
Jack-up drilling unit or jack up wind-powered electricity generation are installed ship and are all comprised peaceful or rises ship and treat the worker and fall platform or fall the ship two kinds of operating modes of waiting to navigate, jacking system is installed the key equipment of ship and jack-up drilling unit as the jack up wind-powered electricity generation, its radical function is the relative lifting action of control spud leg and platform or hull, realizes actv. standing at work or the migration at sea of jack-up drilling unit or jack up wind-powered electricity generation installation ship.The representative type jacking system has pinion and-rack (containing electric gear rack-and-pinion and mekydro rack-and-pinion), hydraulic bolt formula and winch rope formula.
The principle of work of pinion and-rack jacking system is the tooth bar that freezes on spud leg, fixed installation and the cooresponding gear cluster of spud leg on platform or hull, the wheel and rack engagement by motor or the forward and reverse motion of fluid motor-driven gear, makes relative hull of spud leg or platform up-and-down movement.GustoMSC company jack up wind-powered electricity generations such as " NG-2500 " is installed ship, and PetroChina Company Limited. " No. 5,6,9,10, middle oil sea ", China Petrochemical Industry's " No. 5,6,7,8,9, triumph ", CNOOC's jack-up drilling units such as " No. 4,8,10, the Bohai Sea " all adopt the pinion and-rack jacking system.Advantages such as this system has that speed is fast, flexible operation, motion are steady, but its gordian technique is monopolized by developed countries such as Europe, Japan and the United States, and gear, tooth bar are import special steel material, and its manufacturing process and requirement on machining accuracy are higher, and whole system involves great expense.
The principle of work of hydraulic bolt formula jacking system is a processing multiple row pin-and-hole on spud leg, fixed installation oil cylinder piston group on platform or the hull.Utilize on work pin on the piston and the spud leg pin-and-hole engagement or break away from, with the fore and aft motion of hoist cylinder piston rod, make the relative up-and-down movement of spud leg simultaneously with platform or hull.A2SEA company " SEA WORKER ", MPI company " Mayflower Resolution ", GeoSea company " Excalibur ", GustoMSC company jack up wind-powered electricity generations such as " Wind lift 1 " are installed ship, and PetroChina Company Limited. " No. 1, middle oil sea ", CNOOC's jack-up drilling units such as " No. 1,5,7, the Bohai Sea " all adopt hydraulic bolt formula jacking system.This system has that volume is little, inertia good, the driving efficiency advantages of higher, but its motion is discontinuous, and hull or platform are had impact, needs independent pumping plant that oil sources is provided, and marine maintenance task is heavier.
The principle of work of winch rope formula jacking system is that assembly pulley is installed on spud leg, control winch and carry out forward or reverse by being fixedly mounted on winch (motor-driven or hydraulic-driven) on platform or the hull and leading sheave, make relative platform of spud leg or hull up-and-down movement.A2SEA company " SEA JACK ", " SEA POWER ", " SEA ENGERY " and etc. the jack up wind-powered electricity generation ship be installed all adopted winch rope formula jacking system.This system has motion stable and continuous, very fast, less, the cost economic dispatch advantage of impact of rising or falling speed, but its winch adopts fluid motor-driven, and marine maintenance task is heavier.
The Chinese patent Granted publication number is CN2915818Y, and Granted publication day is that the utility model patent on June 27th, 2007 discloses a kind of pulley jacking system, and mainly comprise: at least three spud legs, vertical sleeve are located in the platform; Be fixed with at least two group spud leg fixed pulleys along each spud leg one circle, every group of spud leg fixed pulley is two, is separately fixed at the upper and lower part of spud leg with dividing equally angle; Platform respectively is equipped with a platform fixed pulley near the corresponding spud leg fixed pulley place, end top and bottom of spud leg, forms platform fixed pulley group; Corresponding each the platform fixed pulley group of this flat-bed other end is mounted with a winch, and the rope that steel rope on this winch or chain or other synthetic materiaies are made is arranged between spud leg fixed pulley group and the platform fixed pulley group back and forth for several times.Though this utility model is motion platform or spud leg easily, its every the relative lifting action with flat-bed of spud leg needs to be driven by six winches, and structure is comparatively complicated, and winch action synchronism is had relatively high expectations, and operation easier is higher.
Summary of the invention
The purpose of this utility model be overcome the motion that exists in the prior art discontinuous, hull or platform impacted bigger, marine maintenance task is heavier, structure is comparatively complicated, higher defective and the problem of operation easier, provide a kind of and move continuously, hull or platform are impacted the friction winch cable type pulley jacking system that less, marine maintenance task is light, structure is comparatively simple, operation easier is lower.
For realizing above purpose, technical solution of the present utility model is: a kind of friction winch cable type pulley jacking system, comprise service platform, friction winch and at least three spud legs, described spud leg vertical sleeve is located at an end of service platform, the other end of service platform is fixed with friction winch, spud leg is provided with spud leg fixed pulley group, service platform is provided with service platform fixed pulley group, spud leg fixed pulley group comprises on the laterally zygomorphic spud leg fixed pulley group under the fixed pulley group and spud leg, service platform fixed pulley group comprises on the laterally zygomorphic service platform fixed pulley group under the fixed pulley group and service platform, and fixed pulley group on the spud leg, under the spud leg fixed pulley group respectively with service platform on the fixed pulley group, the fixed pulley group is corresponding under the service platform; Be wound with hawser on described spud leg fixed pulley group, the service platform fixed pulley group, the other end of hawser is wound on the friction winch; Described hawser comprises on the hawser that homonymy arranges up and down end under the end and hawser, an end of end is wound under the spud leg under the fixed pulley group and service platform the fixed pulley group and is fixed on the service platform on the hawser, an end of end is wound on the spud leg on the fixed pulley group and service platform the fixed pulley group and is fixed on the service platform under the hawser, and the other end of end on the hawser, the other end of end is respectively through service platform secondary guiding fixed pulley group under the hawser, last rope guiding fixed pulley and service platform secondary guiding fixed pulley group, following rope guiding fixed pulley one-in-and-one-out be wound in left friction roll and right friction roll on the friction winch.
The fixed pulley group comprises and is positioned at upper left fixed pulley of same horizontal spud leg and the upper right fixed pulley of spud leg on the described spud leg, and the fixed pulley group comprises and is positioned at same horizontal spud leg lower-left fixed pulley and spud leg bottom right fixed pulley under the spud leg;
The fixed pulley group comprises and is positioned at the upper left fixed pulley of same horizontal service platform and upper right fixed pulley of intermeshing service platform, No. two upper right fixed pulleys of service platform on the described service platform, and the fixed pulley group comprises and is positioned at same horizontal service platform lower-left fixed pulley and bottom right fixed pulley of intermeshing service platform, No. two bottom right fixed pulleys of service platform under the service platform;
The upper left fixed pulley of described spud leg, the upper left fixed pulley of service platform, service platform lower-left fixed pulley, spud leg lower-left fixed pulley are positioned on the same center of gravity line, the upper right fixed pulley of described spud leg, upper right fixed pulley of service platform, bottom right fixed pulley of service platform, spud leg bottom right fixed pulley are positioned on the same center of gravity line, and No. two upper right fixed pulleys of described service platform, No. two bottom right fixed pulleys of service platform are positioned on the same center of gravity line;
An end of end is wound in No. two upper right fixed pulleys of service platform successively on the described hawser, the upper right fixed pulley of spud leg, upper right fixed pulley of service platform, the upper right fixed pulley of spud leg, the upper left fixed pulley of spud leg, the upper left fixed pulley of service platform, the upper left fixed pulley of spud leg also is fixed on the service platform, and an end of end is wound in No. two bottom right fixed pulleys of service platform successively under the described hawser, spud leg bottom right fixed pulley, bottom right fixed pulley of service platform, spud leg bottom right fixed pulley, spud leg lower-left fixed pulley, service platform lower-left fixed pulley, spud leg lower-left fixed pulley also is fixed on the service platform.
Described friction winch comprises symmetrically arranged rope guiding fixed pulley and following rope guiding fixed pulley, symmetrically arranged left friction roll and right friction roll and the public frame of going up, describedly go up rope guiding fixed pulley, rope guiding fixed pulley is connected with left friction roll, right friction roll by end under end, the hawser on the hawser respectively down, and is provided with tightening device at the lead side of fixed pulley of rope down; Described left friction roll and right friction roll all are arranged on the inside of public frame, one side of left side friction roll, right friction roll is installed with left big gear wheel and right big gear wheel respectively, left side big gear wheel, right big gear wheel all are meshed with the miniature gears that is fixed on axle drive shaft one end, the other end of axle drive shaft is connected with the output shaft of main reduction gear by plunging joint, and the input shaft of main reduction gear is connected with the output shaft of main motor by main elastic coupling;
The output shaft of described main motor is provided with disc type master service brake, be respectively arranged with click drg and slow-speed shaft brake disc on the side plate of left friction roll and right friction roll opposite side, at least three sure brakes are equipped with and on the slow-speed shaft brake disc.
Described friction winch also comprises auxiliary-motor and power-transfer clutch, the output shaft of auxiliary-motor is connected with the input shaft of supplementary reduction by secondary elastic coupling, the output shaft of supplementary reduction is connected with the input shaft of main reduction gear by power-transfer clutch, and the output shaft of auxiliary-motor is provided with disc type subtask drg.
Described main motor, auxiliary-motor are the stepless change frequency modulation motor, and main reduction gear, supplementary reduction are Zhui Chi Lun – helical wheel triple reduction gear.
It is semi-round grooving that left friction roll in the described friction winch, right friction roll all have the cross section, and left friction roll has ten groovings, and right friction roll has nine groovings, and the grooving line of centers of two friction rolls distance is half slot pitch.
The hawser that twines on the described left friction roll is eight half-turns, and the hawser that twines on the right friction roll is nine half-turns.
Compared with prior art, the beneficial effects of the utility model are:
1, owing to comprise service platform in a kind of friction winch cable type of the utility model pulley jacking system, friction winch and at least three spud legs, described spud leg vertical sleeve is located at an end of service platform, the other end of service platform is fixed with friction winch, spud leg is provided with spud leg fixed pulley group, service platform is provided with service platform fixed pulley group, spud leg fixed pulley group is corresponding with service platform fixed pulley group, and end on the hawser that homonymy is arranged up and down, an end of end is wound in spud leg fixed pulley group under the hawser, service platform fixed pulley group also is fixed on the service platform, other end one-in-and-one-out be wound in left friction roll and right friction roll on the friction winch, in the use, rotation by friction roll drives end on the hawser, end carries out the motion of one-in-and-one-out under the hawser, again by hawser through spud leg fixed pulley group, service platform fixed pulley group drives spud leg with respect to the service platform up-and-down movement, whole motion process is continuous, steadily, less to the impulsive force of the service platform on hull or the platform.Therefore the utility model not only moves continuously, and impacts less to hull or platform.
2, since in a kind of friction winch cable type of the utility model pulley jacking system to spud leg fixed pulley group, service platform fixed pulley group has been carried out unique design, comprise two groups of each two pulleys up and down as spud leg fixed pulley group, service platform fixed pulley group comprises two groups of each three pulleys up and down, and they are symmetrical arranged each other, winding method to hawser designs to cooperate spud leg fixed pulley group then, the constructional feature of service platform fixed pulley group, again by service platform secondary guiding fixed pulley group, being wound on the friction roll of the hawser one-in-and-one-out that last rope guiding fixed pulley and rope guiding fixed pulley are down arranged homonymy up and down, drive pulley motion by friction rolling through hawser then, the final effect that realizes spud leg with respect to the service platform up-and-down movement, and moving process is continuous, steadily, more crucial is that these designs of the utility model can guarantee that each spud leg only need be equipped with a friction winch and just can realize aforesaid effect, not only simplify the structure, reduced manufacture difficulty, and reduced the part consumption, save manufacturing cost, also reduced follow-up O﹠M difficulty simultaneously.Therefore not only structure is comparatively simple, number of parts is less for the utility model, and productive costs is lower, operation easier is lower.
3, because the friction winch in a kind of friction winch cable type of the utility model pulley jacking system is a motor-driven, compare with hydraulic-driven of the prior art, not only volume is less, power is bigger, and be convenient to maintenance, and the utility model is except main motor, also dispose auxiliary-motor, even thereby when guaranteeing main electrical fault, the utility model still can normal operation, the safety that has improved this device.Therefore the not only marine maintenance task of the utility model is lighter, and safety is higher.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation of friction winch among Fig. 1.
Among the figure: spud leg 1, spud leg fixed pulley group 2, fixed pulley group 21 under the spud leg, spud leg lower-left fixed pulley 211, spud leg bottom right fixed pulley 212, fixed pulley group 22 on the spud leg, the upper left fixed pulley 221 of spud leg, the upper right fixed pulley 222 of spud leg, service platform fixed pulley group 3, fixed pulley group 31 under the service platform, service platform lower-left fixed pulley 311, bottom right fixed pulley 312 of service platform, No. two bottom right fixed pulleys 313 of service platform, fixed pulley group 32 on the service platform, the upper left fixed pulley 321 of service platform, upper right fixed pulley 322 of service platform, No. two upper right fixed pulleys 323 of service platform, service platform 4, friction winch 5, main motor 501, auxiliary-motor 502, main elastic coupling 503, secondary elastic coupling 504, disc type master's service brake 505, disc type subtask drg 506, power-transfer clutch 507, main reduction gear 508, supplementary reduction 509, plunging joint 510, axle drive shaft 511, public frame 512, sure brake 513, right friction roll 514, slow-speed shaft brake disc 515, miniature gears 516, left side big gear wheel 517A, right big gear wheel 517B, left friction roll 518, click drg 519, tightening device 520, hawser 6, end 61 under the hawser, end 62 on the hawser, following rope guiding fixed pulley 71, last rope guiding fixed pulley 72, service platform secondary guiding fixed pulley group 8.
The specific embodiment
Below in conjunction with the description of drawings and the specific embodiment the utility model is described in further detail
Referring to figure 1 – Fig. 2, a kind of friction winch cable type pulley jacking system, comprise service platform 4, friction winch 5 and at least three spud legs 1, described spud leg 1 vertical sleeve is located at an end of service platform 4, the other end of service platform 4 is fixed with friction winch 5, spud leg 1 is provided with spud leg fixed pulley group 2, service platform 4 is provided with service platform fixed pulley group 3, spud leg fixed pulley group 2 comprises on the laterally zygomorphic spud leg fixed pulley group 21 under fixed pulley group 22 and the spud leg, service platform fixed pulley group 3 comprises on the laterally zygomorphic service platform fixed pulley group 31 under fixed pulley group 32 and the service platform, and fixed pulley group 22 on the spud leg, under the spud leg fixed pulley group 21 respectively with service platform on fixed pulley group 32, fixed pulley group 31 is corresponding under the service platform; Be wound with hawser 6 on described spud leg fixed pulley group 2, the service platform fixed pulley group 3, the other end of hawser 6 is wound on the friction winch 5; Described hawser 6 comprises on the hawser that homonymy arranges up and down end 61 under the end 62 and hawser, an end of end 62 is wound under the spud leg under the fixed pulley group 21 and service platform fixed pulley group 31 and is fixed on the service platform 4 on the hawser, an end of end 61 is wound on the spud leg on the fixed pulley group 22 and service platform fixed pulley group 32 and is fixed on the service platform 4 under the hawser, and the other end of end 62 on the hawser, the other end of end 61 is respectively through service platform secondary guiding fixed pulley group 8 under the hawser, last rope guiding fixed pulley 72 and service platform secondary guiding fixed pulley group 8, following rope guiding fixed pulley 71 one-in-and-one-outs be wound in left friction roll 518 and right friction roll 514 on the friction winch 5.
Fixed pulley group 22 comprises and is positioned at upper left fixed pulley of same horizontal spud leg 221 and the upper right fixed pulley 222 of spud leg on the described spud leg, and fixed pulley group 21 comprises and is positioned at same horizontal spud leg lower-left fixed pulley 211 and spud leg bottom right fixed pulley 212 under the spud leg;
Fixed pulley group 32 comprises and is positioned at the upper left fixed pulley 321 of same horizontal service platform and upper right fixed pulley 322 of intermeshing service platform, No. two upper right fixed pulleys 323 of service platform on the described service platform, and fixed pulley group 31 comprises and is positioned at same horizontal service platform lower-left fixed pulley 311 and bottom right fixed pulley 312 of intermeshing service platform, No. two bottom right fixed pulleys 313 of service platform under the service platform;
The upper left fixed pulley 221 of described spud leg, the upper left fixed pulley 321 of service platform, service platform lower-left fixed pulley 311, spud leg lower-left fixed pulley 211 are positioned on the same center of gravity line, the upper right fixed pulley 222 of described spud leg, upper right fixed pulley 322 of service platform, bottom right fixed pulley 312 of service platform, spud leg bottom right fixed pulley 212 are positioned on the same center of gravity line, and No. two upper right fixed pulleys 323 of described service platform, No. two bottom right fixed pulleys 313 of service platform are positioned on the same center of gravity line;
An end of end 62 is wound in No. two upper right fixed pulleys 323 of service platform successively on the described hawser, the upper right fixed pulley 222 of spud leg, upper right fixed pulley 322 of service platform, the upper right fixed pulley 222 of spud leg, the upper left fixed pulley 221 of spud leg, the upper left fixed pulley 321 of service platform, the upper left fixed pulley 221 of spud leg also is fixed on the service platform 4, and an end of end 61 is wound in No. two bottom right fixed pulleys 313 of service platform successively under the described hawser, spud leg bottom right fixed pulley 212, bottom right fixed pulley 312 of service platform, spud leg bottom right fixed pulley 212, spud leg lower-left fixed pulley 211, service platform lower-left fixed pulley 311, spud leg lower-left fixed pulley 211 also is fixed on the service platform 4.
Described friction winch 5 comprises symmetrically arranged rope guiding fixed pulley 72 and following rope guiding fixed pulley 71, the symmetrically arranged left friction roll 518 and right friction roll 514 and public frame 512 gone up, describedly go up rope guiding fixed pulley 72, rope guiding fixed pulley 71 is connected with left friction roll 518, right friction roll 514 by end 61 under end on the hawser 62, the hawser respectively down, and is provided with tightening device 520 at the lead side of fixed pulley 71 of rope down; Described left friction roll 518 and right friction roll 514 all are arranged on the inside of public frame 512, one side of left side friction roll 518, right friction roll 514 is installed with left big gear wheel 517A and right big gear wheel 517B respectively, left side big gear wheel 517A, right big gear wheel 517B all are meshed with the miniature gears 516 that is fixed on axle drive shaft 511 1 ends, the other end of axle drive shaft 511 is connected by the output shaft of plunging joint 510 with main reduction gear 508, and the input shaft of main reduction gear 508 is connected with the output shaft of main motor 501 by main elastic coupling 503;
The output shaft of described main motor 501 is provided with disc type master service brake 505, be respectively arranged with click drg 519 and slow-speed shaft brake disc 515 on the side plate of left friction roll 518 and right friction roll 514 opposite sides, at least three sure brakes 513 are equipped with and on the slow-speed shaft brake disc 515.
Described friction winch 5 also comprises auxiliary-motor 502 and power-transfer clutch 507, the output shaft of auxiliary-motor 502 is connected with the input shaft of supplementary reduction 509 by secondary elastic coupling 504, the output shaft of supplementary reduction 509 is connected by the input shaft of power-transfer clutch 507 with main reduction gear 508, and the output shaft of auxiliary-motor 502 is provided with disc type subtask drg 506.
Described main motor 501, auxiliary-motor 502 are the stepless change frequency modulation motor, and main reduction gear 508, supplementary reduction 509 are Zhui Chi Lun – helical wheel triple reduction gear.
It is semi-round grooving that left friction roll 518 in the described friction winch 5, right friction roll 514 all have the cross section, and left friction roll 518 has ten groovings, and right friction roll 514 has nine groovings, and the grooving line of centers of two friction rolls distance is half slot pitch.
The hawser 6 that twines on the described left friction roll 518 is eight half-turns, and the hawser 6 that twines on the right friction roll 514 is nine half-turns.
Principle of the present utility model is described as follows:
Related service platform 4 is generally the service platform on drilling platform or the wind-powered electricity generation installation ship in the utility model, employed hawser 6 is not fixed on the friction roll, but the some circles of winding of single layer and two end one-in-and-one-outs are arranged up and down in the homonymy of friction roll on friction roll, draw by tightening device 520 through left friction roll 518 again, end 62 is through last rope guiding fixed pulley 72 on the hawser, be wound in for several times under the service platform under the fixed pulley group 31 and spud leg fixed pulley group 21 after the service platform secondary guiding fixed pulley group 8 back and forth and be fixed on the service platform 4, under the hawser end 61 through behind the rope guiding fixed pulley down 71 back and forth several be wound on the service platform on the fixed pulley group 32 and spud leg fixed pulley group 22 and be fixed on the service platform 4.The main effect of the tightening device 520 that tensile force is adjustable is to guarantee that the rope-out end of hawser 6 produces necessary tensile force to eliminate the skidding of hawser 6 on friction roll, realizes the frictional transmission of friction winch 5.
During use, make relative lifting action by spud leg 1 of a friction winch 5 controls with service platform 4, when service platform 4 is in the rising operating mode, the control motor steering, two ends that make hawser 6 are that end 61 advances under the hawser, end 62 goes out on the hawser, at this moment, on the spud leg on fixed pulley group 22 and the service platform width between centers of fixed pulley group 32 reduce, the width between centers of fixed pulley group 31 increase under fixed pulley group 21 and the service platform under the spud leg, thereby realize the vertical motion of service platform 4, when service platform 4 is in the decline operating mode, operate opposite with above-mentioned operating mode, in addition, put stake, the pile pulling operating mode is equivalent to the rising of service platform 4 respectively, the decline operating mode, the utility model when operation not only can with the pinion and-rack jacking system, the equivalence of hydraulic bolt formula jacking system, promptly peaceful of ship is installed or rises ship and treat the worker at jack-up drilling unit or jack up wind-powered electricity generation, fall platform or fall ship and wait to navigate in two kinds of operating modes, realize the relative lifting action of spud leg 1 and service platform 4, and it is steady continuously to have a motion, impact less, simple in structure, easy to operate, cost economic dispatch characteristics.
In addition, because the utility model adopts main motor-driven and auxiliary-motor to drive two cover systems, and the latter is a stand-by system, when main motor 501 is worked, throw off the power-transfer clutch 507 that main reduction gear 508 output shafts connect with supplementary reduction 509 output shafts, main motor 501 to friction roll transfer torque and speed, realizes that two friction rolls rotate synchronously in the same way with command speed and two end one-in-and-one-outs of hawser 6 by main elastic coupling 503, main reduction gear 508, axle drive shaft 511, miniature gears 516, big gear wheel 517A etc.; When main motor 501 et out of orders, start stand-by system, power-transfer clutch 507 closes, the two three grade speed reduction gearings of auxiliary-motor 502 by secondary elastic coupling 504, supplementary reduction 509, main reduction gear 508, axle drive shaft 511, miniature gears 516, big gear wheel 517B etc. are to friction roll transfer torque and speed, realize two friction roll low cruises, thereby marine maintenance task of the present utility model is lighter, and safety is higher.
Therefore not only structure is comparatively simple for the utility model, motion continuously, hull or platform are impacted less, and lower, the marine maintenance task of productive costs is light, safety is higher.
Claims (7)
1. friction winch cable type pulley jacking system, comprise service platform (4), friction winch (5) and at least three spud legs (1), described spud leg (1) vertical sleeve is located at an end of service platform (4), the other end of service platform (4) is fixed with friction winch (5), spud leg (1) is provided with spud leg fixed pulley group (2), service platform (4) is provided with service platform fixed pulley group (3), spud leg fixed pulley group (2) comprises on the laterally zygomorphic spud leg fixed pulley group (21) under the fixed pulley group (22) and spud leg, service platform fixed pulley group (3) comprises on the laterally zygomorphic service platform fixed pulley group (31) under the fixed pulley group (32) and service platform, and fixed pulley group (22) on the spud leg, under the spud leg fixed pulley group (21) respectively with service platform on fixed pulley group (32), fixed pulley group (31) is corresponding under the service platform; Be wound with hawser (6) on described spud leg fixed pulley group (2), the service platform fixed pulley group (3), the other end of hawser (6) is wound on the friction winch (5), it is characterized in that:
Described hawser (6) comprises on the hawser that homonymy arranges up and down end (61) under the end (62) and hawser, one end of end on the hawser (62) is wound under the spud leg under the fixed pulley group (21) and service platform fixed pulley group (31) and is fixed on the service platform (4), one end of end under the hawser (61) is wound on the spud leg on the fixed pulley group (22) and service platform fixed pulley group (32) and is fixed on the service platform (4), and the other end of end (62) on the hawser, the other end of end under the hawser (61) is respectively through service platform secondary guiding fixed pulley group (8), last rope guiding fixed pulley (72) and service platform secondary guiding fixed pulley group (8), following rope guiding fixed pulley (71) one-in-and-one-out be wound in left friction roll (518) and right friction roll (514) on the friction winch (5).
2. a kind of friction winch cable type pulley jacking system according to claim 1, it is characterized in that: fixed pulley group (22) comprises and is positioned at the upper left fixed pulley of same horizontal spud leg (221) and the upper right fixed pulley of spud leg (222) on the described spud leg, and fixed pulley group (21) comprises and is positioned at same horizontal spud leg lower-left fixed pulley (211) and spud leg bottom right fixed pulley (212) under the spud leg;
Fixed pulley group (32) comprises and is positioned at the upper left fixed pulley of same horizontal service platform (321) and a upper right fixed pulley of intermeshing service platform (322), No. two upper right fixed pulleys of service platform (323) on the described service platform, and fixed pulley group (31) comprises and is positioned at same horizontal service platform lower-left fixed pulley (311) and a bottom right fixed pulley of intermeshing service platform (312), No. two bottom right fixed pulleys of service platform (313) under the service platform;
The upper left fixed pulley of described spud leg (221), the upper left fixed pulley of service platform (321), service platform lower-left fixed pulley (311), spud leg lower-left fixed pulley (211) are positioned on the same center of gravity line, the upper right fixed pulley of described spud leg (222), a upper right fixed pulley of service platform (322), a bottom right fixed pulley of service platform (312), spud leg bottom right fixed pulley (212) are positioned on the same center of gravity line, and No. two upper right fixed pulleys of described service platform (323), No. two bottom right fixed pulleys of service platform (313) are positioned on the same center of gravity line;
One end of end on the described hawser (62) is wound in No. two upper right fixed pulleys of service platform (323) successively, the upper right fixed pulley of spud leg (222), a upper right fixed pulley of service platform (322), the upper right fixed pulley of spud leg (222), the upper left fixed pulley of spud leg (221), the upper left fixed pulley of service platform (321), the upper left fixed pulley of spud leg (221) also is fixed on the service platform (4), and an end of end under the described hawser (61) is wound in No. two bottom right fixed pulleys of service platform (313) successively, spud leg bottom right fixed pulley (212), a bottom right fixed pulley of service platform (312), spud leg bottom right fixed pulley (212), spud leg lower-left fixed pulley (211), service platform lower-left fixed pulley (311), spud leg lower-left fixed pulley (211) also is fixed on the service platform (4).
3. a kind of friction winch cable type pulley jacking system according to claim 1 and 2, it is characterized in that: described friction winch (5) comprises symmetrically arranged rope guiding fixed pulley (72) and the following rope guiding fixed pulley (71) gone up, symmetrically arranged left friction roll (518) and right friction roll (514) and public frame (512), the described rope guiding fixed pulley (72) of going up, following rope guiding fixed pulley (71) is respectively by end on the hawser (62), end under the hawser (61) and left friction roll (518), right friction roll (514) is connected, and is provided with tightening device (520) at the side of the guiding fixed pulley (71) of restricting down; Described left friction roll (518) and right friction roll (514) all are arranged on the inside of public frame (512), left side friction roll (518), one side of right friction roll (514) is installed with left big gear wheel (517A) and right big gear wheel (517B) respectively, left side big gear wheel (517A), right big gear wheel (517B) all is meshed with the miniature gears that is fixed on axle drive shaft (511) one ends (516), the other end of axle drive shaft (511) is connected by the output shaft of plunging joint (510) with main reduction gear (508), and the input shaft of main reduction gear (508) is connected by the output shaft of main elastic coupling (503) with main motor (501);
The output shaft of described main motor (501) is provided with disc type master service brake (505), be respectively arranged with click drg (519) and slow-speed shaft brake disc (515) on the side plate of left friction roll (518) and right friction roll (514) opposite side, at least three sure brakes (513) are equipped with and on the slow-speed shaft brake disc (515).
4. a kind of friction winch cable type pulley jacking system according to claim 3, it is characterized in that: described friction winch (5) also comprises auxiliary-motor (502) and power-transfer clutch (507), the output shaft of auxiliary-motor (502) is connected by the input shaft of secondary elastic coupling (504) with supplementary reduction (509), the output shaft of supplementary reduction (509) is connected by the input shaft of power-transfer clutch (507) with main reduction gear (508), and the output shaft of auxiliary-motor (502) is provided with disc type subtask drg (506).
5. a kind of friction winch cable type pulley jacking system according to claim 4, it is characterized in that: described main motor (501), auxiliary-motor (502) are the stepless change frequency modulation motor, and main reduction gear (508), supplementary reduction (509) are Zhui Chi Lun – helical wheel triple reduction gear.
6. according to claim 4 or 5 described a kind of friction winch cable type pulley jacking systems, it is characterized in that: it is semi-round grooving that the left friction roll (518) in the described friction winch (5), right friction roll (514) all have the cross section, left side friction roll (518) has ten groovings, right friction roll (514) has nine groovings, and the grooving line of centers of two friction rolls distance is half slot pitch.
7. a kind of friction winch cable type pulley jacking system according to claim 6 is characterized in that: it is eight half-turns that described left friction roll (518) is gone up the hawser (6) that twines, and it is nine half-turns that right friction roll (514) is gone up the hawser (6) that twines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201052560U CN201999671U (en) | 2011-04-12 | 2011-04-12 | Cable-type pulley lifting system for friction winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201052560U CN201999671U (en) | 2011-04-12 | 2011-04-12 | Cable-type pulley lifting system for friction winch |
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| Publication Number | Publication Date |
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| CN201999671U true CN201999671U (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201052560U Expired - Lifetime CN201999671U (en) | 2011-04-12 | 2011-04-12 | Cable-type pulley lifting system for friction winch |
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| CN (1) | CN201999671U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887452A (en) * | 2012-09-19 | 2013-01-23 | 河南卫华重型机械股份有限公司 | Hoisting mechanism and metallurgy crane using same |
| CN104098039A (en) * | 2014-07-08 | 2014-10-15 | 武汉船用机械有限责任公司 | Multifunctional combined friction winch system |
| CN104340911A (en) * | 2014-10-31 | 2015-02-11 | 中际联合（北京）科技股份有限公司 | Driving device and rope winding method of overhead lifting equipment |
| CN103600817B (en) * | 2013-10-15 | 2017-04-05 | 江苏韩通船舶重工有限公司 | Jack up mounting ship of offshore wind turbine |
| CN106744426A (en) * | 2017-02-13 | 2017-05-31 | 徐州市正联机电设备有限公司 | Rope winch is changed in a kind of parallel roller formula friction |
| CN107758550A (en) * | 2017-11-23 | 2018-03-06 | 安徽理工大学 | A kind of more capstan arrangements for controlling multigroup capstan winch indirect movement |
| CN108083150A (en) * | 2017-10-31 | 2018-05-29 | 武汉船用机械有限责任公司 | A kind of cable reel system |
| CN113353831A (en) * | 2021-04-22 | 2021-09-07 | 武汉船用机械有限责任公司 | Friction winch |
| CN118255252A (en) * | 2024-05-31 | 2024-06-28 | 国网山东省电力公司枣庄供电公司 | A crane for electric power construction |
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2011
- 2011-04-12 CN CN2011201052560U patent/CN201999671U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102887452A (en) * | 2012-09-19 | 2013-01-23 | 河南卫华重型机械股份有限公司 | Hoisting mechanism and metallurgy crane using same |
| CN102887452B (en) * | 2012-09-19 | 2015-11-25 | 河南卫华重型机械股份有限公司 | A kind of lifting mechanism and use the crane for steelworks use of this lifting mechanism |
| CN103600817B (en) * | 2013-10-15 | 2017-04-05 | 江苏韩通船舶重工有限公司 | Jack up mounting ship of offshore wind turbine |
| CN104098039A (en) * | 2014-07-08 | 2014-10-15 | 武汉船用机械有限责任公司 | Multifunctional combined friction winch system |
| CN104340911A (en) * | 2014-10-31 | 2015-02-11 | 中际联合（北京）科技股份有限公司 | Driving device and rope winding method of overhead lifting equipment |
| CN106744426A (en) * | 2017-02-13 | 2017-05-31 | 徐州市正联机电设备有限公司 | Rope winch is changed in a kind of parallel roller formula friction |
| CN108083150A (en) * | 2017-10-31 | 2018-05-29 | 武汉船用机械有限责任公司 | A kind of cable reel system |
| CN107758550A (en) * | 2017-11-23 | 2018-03-06 | 安徽理工大学 | A kind of more capstan arrangements for controlling multigroup capstan winch indirect movement |
| CN107758550B (en) * | 2017-11-23 | 2023-08-18 | 安徽理工大学 | A multi-winch device for controlling the indirect movement of multiple sets of winches |
| CN113353831A (en) * | 2021-04-22 | 2021-09-07 | 武汉船用机械有限责任公司 | Friction winch |
| CN118255252A (en) * | 2024-05-31 | 2024-06-28 | 国网山东省电力公司枣庄供电公司 | A crane for electric power construction |
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