CN102826467B - Novel large-tonnage duplex luffing mechanism used for pile-surrounding type crane - Google Patents
Novel large-tonnage duplex luffing mechanism used for pile-surrounding type crane Download PDFInfo
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- CN102826467B CN102826467B CN201210348590.8A CN201210348590A CN102826467B CN 102826467 B CN102826467 B CN 102826467B CN 201210348590 A CN201210348590 A CN 201210348590A CN 102826467 B CN102826467 B CN 102826467B
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Abstract
The invention discloses a novel large-tonnage duplex luffing mechanism used for an pile-surrounding type crane; the novel large-tonnage duplex luffing mechanism comprises two winches which are connected by a universal shaft joint; each winch comprises two welded additive bases and two common bases; each common base is provided with a main shaft bearing support; a winding drum is arranged between two main shaft bearing supports; one side of the winding drum is provided with an outside baffle and a brake hub, while the other side of the winding drum is provided with an inside baffle and a winding drum gear sleeve; a ratchet wheel is arranged on the part between the inside baffle and the winding drum gear sleeve; the back part of the upper surface of a cross plate is provided with a ratchet wheel stopper which corresponds to the ratchet wheel; a big gear wheel of an open-type transmission gear pair is sleeved in the winding drum gear sleeve; one side of the open-type transmission gear pair is provided with six planetary gear reducers; and each planetary gear reducer is connected with a hydraulic motor. The large-tonnage duplex luffing mechanism has the following advantages of compact structure, small overall dimension, light weight, steady quality and reliable property.
Description
Technical field
The present invention relates to a kind of for the large-tonnage duplex luffing mechanism around stake formula hoisting crane.
Background technology
At present, the offshore platform of operation at sea or crane ship, in order to increase stability and the hoisting capacity of platform or lifting ship's crane hoisting operation, platform or crane ship have increased the vertical pile that three or many jacking fixed platforms or crane ship are used, because pile has taken most of space on ship, for reasonable Arrangement, the just direct design and installation of hoister in large tonnage is on pile, hoisting crane turns round operation around pile center, therefore hoisting crane is called around stake formula hoisting crane.Because crane crab tonnage is large, be generally 2 × 600KN, luffing mechanism need to be arranged in hoisting crane back platform, be that crane arm or hook and luffing mechanism for arranging respectively before and after pile, luffing mechanism rope stretching need to be arranged from pile two sides, due to the impact of pile, because pile diameter is large, more than 6 meters, bring very large difficulty therefore to design, rope stretching and the back platform layout of mechanism.
Summary of the invention
The object of the invention is in order to overcome above deficiency, provide that a kind of compact conformation, oad are little, lightweight, steady quality, dependable performance, efficiency high energy consumption be low, better meet around stake formula hoisting crane installing space feature for the large-tonnage duplex luffing mechanism around stake formula hoisting crane.
Object of the present invention is achieved through the following technical solutions: a kind of for the large-tonnage duplex luffing mechanism around stake formula hoisting crane, comprise about two winches of placing, between two described winches, be connected by universal coupling, each winch includes the additional base of two welding of placing left and right, between two additional bases of welding, be connected by transverse slat, on the additional base of each welding, be all connected with public base, on each public base, be equipped with main shaft bearing supporting, between two main shaft bearing supportings, be connected by main shaft, on main shaft, cover has reel, one side of reel is provided with outer side shield, the outside of outer side shield is provided with brake hubs, brake hubs is connected with reel brake band, the front portion of reel brake band is connected with brake oil cylinder, brake oil cylinder is fixed on brake oil cylinder bearing, brake oil cylinder bearing is connected with the additional base of welding, the opposite side of reel is provided with interior side shield, between one side of interior side shield and the supporting of the main shaft bearing of inner side, be provided with reel gear cover, between interior side shield and reel gear cover, position is provided with ratchet, transverse slat upper surface rear portion is provided with ratchet stop, ratchet stop is corresponding with ratchet, ratchet stop is by ratchet, bearing, closed oil cylinder composition, in reel gear cover, cover has the big gear wheel of open type driving gear pair, on open type driving gear pair, be covered with gear cover, one side of open type driving gear pair is provided with six planetary gear reduction box, each planetary gear reduction box is all connected with HM Hydraulic Motor.
Further improvement of the present invention is: six planetary gear reduction box are umbrella shape setting.
Further improvement of the present invention is: each main shaft bearing supporting includes bearing seat and bearing, and bearing is self-aligning roller bearing.
Further improvement of the present invention is: brake oil cylinder is mainly made up of cylinder body, piston, piston rod, brake spring, end cap and sealing member.
Further improvement of the present invention is: public base is connected by bolt, packing ring and nut with the additional base of welding.
Further improvement of the present invention is: closed oil cylinder is mainly made up of cylinder body, piston, piston rod, closing spring, end cap and sealing member.
The present invention compared with prior art has the following advantages: two hoist rooms connect by universal coupling, can realize pulling force, speed, Rong Shengliang etc. distribute rationally, and the work that can realize two winches is synchronous, and every winch all adopts many cover Miniature power mechanisms jointly to drive, actuating unit carries out concentric three-dimensional equilibrium layout in bottom, axle center around reel axle center, structure optimization reasonable Arrangement like this, in the situation that not increasing axial and height dimension, winch width dimensions is greatly reduced, simultaneously the actuating unit of every winch is arranged on two winch center of symmetrys inner sides and has reduced space outerpace and take, well meet an installation difficult problem of installing around stake formula hoisting crane installing space feature and with the many winches of platform, the ratchet of winch and ratchet stop can well be followed reel running, make pawl ratchet normality closure, give an elevator boom rack many safety guard-safeguard that heavily turns round, while is as the parking stopper of elevator boom rack, what while preventing parking, may occur slips car risk, winch compact overall structure uniqueness, oad is little, lightweight, cost is low, steady quality, dependable performance, efficiency high energy consumption is low, be convenient to safeguard.
Brief description of the drawings:
Fig. 1 is structural representation of the present invention;
Fig. 2 be in Fig. 1 A to structural representation;
Fig. 3 be in Fig. 1 B to structural representation;
Fig. 4 be in Fig. 1 C to structural representation
Number in the figure: side shield, 13-open type driving gear pair, 14-gear cover, 15-planetary gear reduction box, 16-transverse slat, 17-ratchet stop, 18-ratchet, 19-ratchet, 20-bearing, the closed oil cylinder of 21-in 1-HM Hydraulic Motor, 2-universal coupling, the additional base of 3-welding, 4-public base, the supporting of 5-main shaft bearing, 6-main shaft, 7-reel, the outer side shield of 8-, 9-reel brake band, 10-brake oil cylinder, 11-brake oil cylinder bearing, 12-.
Detailed description of the invention:
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment only, for explaining the present invention, does not form limiting the scope of the present invention.
Show as shown in Figure 1 to Figure 4 a kind of detailed description of the invention for the large-tonnage duplex luffing mechanism around stake formula hoisting crane of the present invention, comprise about two winches of placing, between two winches, be connected by universal coupling 2, each winch includes the additional base 3 of two welding of placing left and right, between two additional bases 3 of welding, be connected by transverse slat 16, on the additional base 3 of each welding, be all connected with public base 4, on each public base 4, be equipped with main shaft bearing supporting 5, between two main shaft bearing supportings 5, be connected by main shaft 6, on main shaft 6, cover has reel 7, one side of reel 7 is provided with outer side shield 8, the outside of outer side shield 8 is provided with brake hubs, brake hubs is connected with reel brake band 9, the front portion of reel brake band 9 is connected with brake oil cylinder 10, brake oil cylinder 10 is fixed on brake oil cylinder bearing 11, brake oil cylinder bearing 11 is connected with the additional base 3 of welding, the opposite side of reel 7 is provided with interior side shield 12, between one side of interior side shield 12 and the main shaft bearing of inner side supporting 5, be provided with reel gear cover, between interior side shield 12 and reel gear cover, position is provided with ratchet 18, transverse slat 16 upper surface rear portions are provided with ratchet stop 17, ratchet stop 17 is corresponding with ratchet 18, ratchet stop is with jaws close oil cylinder, the built-in spring that makes ratchet and ratchet normality closure of ratchet oil cylinder, ratchet stop 17 is by ratchet 19, bearing 20, closed oil cylinder 21 forms, in reel gear cover, cover has the big gear wheel of open type driving gear pair 13, on open type driving gear pair 13, be covered with gear cover 14, one side of open type driving gear pair 13 is provided with six planetary gear reduction box 15, each planetary gear reduction box 15 is all connected with HM Hydraulic Motor 1.Six planetary gear reduction box 15 are umbrella shape setting; Each main shaft bearing supporting 5 includes bearing seat and bearing, and bearing is self-aligning roller bearing; Reel brake band 9 is mainly made up of brake up and down steel band and friction belt, joint, bearing pin, lever; Brake oil cylinder 10 is mainly made up of cylinder body, piston, piston rod, brake spring, end cap and sealing member, and brake spring can ensure the safety arrestment of 150% amount load under decompression state; Public base 4 is connected by bolt, packing ring and nut with the additional base 3 of welding; Ratchet stopper has increased jaws close oil cylinder, and closed oil cylinder 21 is mainly made up of cylinder body, piston, piston rod, closing spring, end cap and sealing member, can make pawl-and-gearing normality closure.
A large-tonnage winch is divided into two two winches that relatively independent tonnage reduces by half in left and right by the present invention, two hoist rooms connect by universal coupling, can realize pulling force, speed, Rong Shengliang etc. distribute rationally, and the work that can realize two winches is synchronous, every winch adopts many cover Miniature power mechanisms jointly to drive, actuating unit carries out concentric three-dimensional equilibrium layout in bottom, axle center around reel axle center, by structure optimization reasonable Arrangement, in the situation that not increasing axial and height dimension, winch width dimensions is greatly reduced, simultaneously the actuating unit of every winch is arranged on two winch center of symmetrys inner sides and has reduced space outerpace and take, well meet an installation difficult problem of installing around stake formula hoisting crane installing space feature and with the many winches of platform, the ratchet of winch and ratchet stop can well be followed reel running, make pawl ratchet normality closure, give an elevator boom rack many safety guard-safeguard that heavily turns round, while is as the parking stopper of elevator boom rack, what while preventing parking, may occur slips car risk, winch compact overall structure uniqueness, oad is little, lightweight, cost is low, steady quality, dependable performance, efficiency high energy consumption is low, be convenient to safeguard.
Claims (1)
1. one kind for the large-tonnage duplex luffing mechanism around stake formula hoisting crane, it is characterized in that: described duplex luffing mechanism comprises about two winches of placing, between two described winches, be connected by universal coupling (2), each described winch includes the additional base (3) of two welding of placing left and right, between two additional bases (3) of described welding, be connected by transverse slat (16), on the additional base (3) of each described welding, be all connected with public base (4), on each described public base (4), be equipped with main shaft bearing supporting (5), between two described main shaft bearing supportings (5), be connected by main shaft (6), the upper cover of described main shaft (6) has reel (7), one side of described reel (7) is provided with outer side shield (8), the outside of described outer side shield (8) is provided with brake hubs, described brake hubs is connected with reel brake band (9), the front portion of described reel brake band (9) is connected with brake oil cylinder (10), described brake oil cylinder (10) is mainly by cylinder body, piston, piston rod, brake spring, end cap and sealing member composition, described brake oil cylinder (10) is fixed on brake oil cylinder bearing (11), described brake oil cylinder bearing (11) is connected with the additional base (3) of described welding, the opposite side of described reel (7) is provided with interior side shield (12), between the described main shaft bearing supporting (5) of one side of described interior side shield (12) and inner side, be provided with reel gear cover, between described interior side shield (12) and described reel gear cover, position is provided with ratchet (18), described transverse slat (16) upper surface rear portion is provided with ratchet stop (17), described ratchet stop (17) is corresponding with described ratchet (18), described ratchet stop (17) is by ratchet (19), bearing (20), closed oil cylinder (21) composition, in described reel gear cover, cover has the big gear wheel of open type driving gear pair (13), on described open type driving gear pair (13), be covered with gear cover (14), one side of described open type driving gear pair (13) is provided with six planetary gear reduction box (15), each described planetary gear reduction box (15) is all connected with HM Hydraulic Motor (1), six described planetary gear reduction box (15) are umbrella shape setting, each described main shaft bearing supporting (5) includes bearing seat and bearing, described bearing is self-aligning roller bearing, described public base (4) passes through bolt with the additional base (3) of described welding, packing ring and nut connect, closed oil cylinder (21) is mainly by cylinder body, piston, piston rod, closing spring, end cap and sealing member composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210348590.8A CN102826467B (en) | 2012-09-19 | 2012-09-19 | Novel large-tonnage duplex luffing mechanism used for pile-surrounding type crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210348590.8A CN102826467B (en) | 2012-09-19 | 2012-09-19 | Novel large-tonnage duplex luffing mechanism used for pile-surrounding type crane |
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| Publication Number | Publication Date |
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| CN102826467A CN102826467A (en) | 2012-12-19 |
| CN102826467B true CN102826467B (en) | 2014-08-13 |
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| CN201210348590.8A Active CN102826467B (en) | 2012-09-19 | 2012-09-19 | Novel large-tonnage duplex luffing mechanism used for pile-surrounding type crane |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103569888B (en) * | 2013-10-31 | 2016-02-24 | 捷胜海洋装备股份有限公司 | A kind of deepwater winch with brake structure |
| CN107416697A (en) * | 2017-04-25 | 2017-12-01 | 南通润邦重机有限公司 | A kind of harbour rubber-tyred mobile multifunctional crane of full hydraulic drive |
| CN107381408A (en) * | 2017-07-31 | 2017-11-24 | 武汉船用机械有限责任公司 | A kind of roller of brake gear and extra large work crane |
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|---|---|---|---|---|
| CN102139837A (en) * | 2011-03-29 | 2011-08-03 | 南通润邦重机有限公司 | Compact luffing winch for offshore wind power equipment installation engineering cranes |
| CN201990414U (en) * | 2011-03-29 | 2011-09-28 | 南通润邦重机有限公司 | Compact auxiliary hook lifting winch for offshore wind power installation engineering crane |
| CN202011715U (en) * | 2011-03-29 | 2011-10-19 | 南通润邦重机有限公司 | Compact large-hook lifting winch for offshore wind power installation work crane |
| CN202766167U (en) * | 2012-09-19 | 2013-03-06 | 南通润邦重机有限公司 | Novel large-tonnage duplex amplitude changing mechanism sued for pile winding type crane |
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| GB432342A (en) * | 1934-12-28 | 1935-07-24 | Pohlig J Ag | Two-motor and two-drum grab winch |
| GB536952A (en) * | 1939-12-01 | 1941-06-03 | Priestman Brothers | Improvements relating to grab cranes |
| JPH10338420A (en) * | 1997-06-09 | 1998-12-22 | Hitachi Constr Mach Co Ltd | Rotational supporting device for barrel winding drum |
| DE112005000728T5 (en) * | 2004-03-31 | 2007-03-22 | Kobelco Cranes Co., Ltd. | Crane and method of assembling the crane |
| UA77287C2 (en) * | 2004-11-01 | 2006-11-15 | Odessa State Academy Of Buildi | Safe twin pulley block |
| JP4998505B2 (en) * | 2009-04-15 | 2012-08-15 | コベルコクレーン株式会社 | Winch mounting structure |
| CN201834678U (en) * | 2010-10-28 | 2011-05-18 | 南通润邦重机有限公司 | Novel large-tonnage bridge crane dolly |
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- 2012-09-19 CN CN201210348590.8A patent/CN102826467B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139837A (en) * | 2011-03-29 | 2011-08-03 | 南通润邦重机有限公司 | Compact luffing winch for offshore wind power equipment installation engineering cranes |
| CN201990414U (en) * | 2011-03-29 | 2011-09-28 | 南通润邦重机有限公司 | Compact auxiliary hook lifting winch for offshore wind power installation engineering crane |
| CN202011715U (en) * | 2011-03-29 | 2011-10-19 | 南通润邦重机有限公司 | Compact large-hook lifting winch for offshore wind power installation work crane |
| CN202766167U (en) * | 2012-09-19 | 2013-03-06 | 南通润邦重机有限公司 | Novel large-tonnage duplex amplitude changing mechanism sued for pile winding type crane |
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