CN101780925A - Chain type roller rotary supporting device for heavy-duty floating crane - Google Patents
Chain type roller rotary supporting device for heavy-duty floating crane Download PDFInfo
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- CN101780925A CN101780925A CN200910056231A CN200910056231A CN101780925A CN 101780925 A CN101780925 A CN 101780925A CN 200910056231 A CN200910056231 A CN 200910056231A CN 200910056231 A CN200910056231 A CN 200910056231A CN 101780925 A CN101780925 A CN 101780925A
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- roller
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Abstract
The invention discloses a chain type roller rotary supporting device for a heavy-duty floating crane, which comprises an upper rotary supporting part and a lower anti-rolling supporting part, and also comprises a chain type roller rotary supporting device and an anti-rolling supporting device, wherein a rotary guide rail is arranged on the supporting surface of the lower supporting part, and the back of the supporting surface is provided with an anti-rolling guide rail corresponding to the rotary guide rail; the upper rotary part is rotatably arranged on the rotary guide rail of the lower supporting part through the chain type roller rotary supporting device, and is rotatably arranged on the anti-rolling guide rail of the lower supporting part through the anti-rolling supporting device. The rotary supporting structure of the heavy-duty floating crane not only has the basic functions of the existing machine model, comprising supporting and rotating, and the upper structure of the whole machine fully rotates along a track at an angle of 360 degrees; the lifting weight is ultra-heavy, and the device can lift thousands tons or even ten thousands tons of weight; and the can operate at sea and the like; but also the device allows a ship to have a certain slope, thereby greatly improving the operating efficiency at sea and simultaneously improving the economic benefits of the floating crane.
Description
Technical field:
What the present invention relates to is a kind of chain type rotary supporting device that is used for heavy-duty floating crane.
Background technology:
At present, the revolution operation of crane barge is used for supporting the rotating part of crane barge by rotary supporting device, existing heavy-duty floating crane exists the turning gear structural weight excessive, perhaps structure is huge, center of gravity is too high, necessarily requires abundant support roller, otherwise can't bear the hoist hoisting capacity of several kilotons even ten thousand tons of crane barge, such structure has caused the waste on the material, directly has influence on the cost of crane barge.
Existing rotary supporting device mainly contains two big classes: pillar and rotating disc type, rotating disc type comprise the supporting rollern formula (claiming car-type again) of few fulcrum, many fulcrums roller jacket type and rolling bearing type.With reference to Fig. 5 in the Figure of description and Fig. 6, Fig. 5 arrange on its equal length that the wheel number is medium, but system height is low for many row's roller type pivoting supports that gather; Fig. 6 is the car-type pivoting support, arranges on the equal length that the wheel number is maximum, and system height is medium, but contact line length is little.And rotating disc type pivoting support mode is adopted in more crane barge design mostly, and the large-tonnage crane barge usually adopts many fulcrums roller jacket type, and the rotating disk height of this form is not high, has reduced center-of-gravity position, has guaranteed stability of structure.Therefore, present full circle swinging crane barge adopts dual mode realization revolution operation usually, and a kind of is to adopt the realization of revolution equalizing bar chassis to turn round the operation that hoists, and second kind is to adopt the heavy duty of many row's roller rotating supporting devices realization crane barges to turn round.First kind owing to exist the gap between revolution equalizing bar chassis hinge, and the center-of-gravity position height causes crane barge to rock greatly, influences the marine operation safety; And second kind of many rows roller rotary supporting device of taking not have equalizing bar supports rotation top with many circular orbits and a plurality of wheels that gather and reaches up to ten thousand tons weight.
Along with weight equipment technology in ocean develops rapidly to maximization, high-technicalization direction, heavy-duty floating crane is also to maximization, high efficiency development.To adapt to the needs of international development situation, development of new techniques; Existing heavy duty revolution schedule work reveals following characteristics: first: heavy-duty floating crane jib pitching operating angle is big, second: play the liter weight super large, the 3rd: the weight of whole jib and topside and weight of heavy all will realize the full circle swinging operation, and the 4th: crane barge requires to realize coastal waters even deep ocean work and whole world navigation.This just requires the crane barge revolution
Supporting can be born huge weight, not only will bear such weight, and will support these weight and turn round, and realizes the operation under the marine various bad working environments.Therefore, the heavy-duty floating crane supporting rollern will bear enough pressure, will certainly cause number of rollers numerous, the pivoting support structural weight is excessive, and perhaps the pivoting support structure is excessive, and center of gravity is too high, influence the stability of crane barge resistance to overturning and ship, thereby cause the heavy-duty floating crane cost to improve.
Summary of the invention:
The present invention seeks to solve the heavy-duty floating crane supporting rollern, to hold number of rollers numerous, the pivoting support structural weight is excessive, perhaps the pivoting support structure is excessive, center of gravity is too high, influence the stability of crane barge resistance to overturning and ship, thereby some shortcomings that cause the heavy-duty floating crane cost to improve, and provide a kind of many row's rollers that when hoisting heavy, need not require to gather to rotate supporting constructions, saved the weight of heavy-duty floating crane revolving structure greatly, some supporting construction that also need not the balance beam type, reduce the crane barge height of gravitational center greatly, improve the chain type roller rotary supporting device of heavily loaded pivoting support structure support efficient.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of chain type roller rotary supporting device of heavy-duty floating crane, this rotary supporting device comprises revolution support and the following anti-support portion of rolling, described rotary supporting device also comprises chain type roller rotary supporting device and the anti-bearing set that rolls, the described anti-bearing surface that rolls the support portion down is provided with the pivoting support guide rail, and the reverse side of its bearing surface is provided with and the corresponding anti-guide rail that rolls of circular guideway;
The described rotating part of going up can rotatingly be placed on the circular guideway of lower support portion by chain type roller rotary supporting device, and can rotatingly be placed in the counter of lower support portion and roll on the guide rail by the anti-bearing set that rolls;
Described chain type roller rotary supporting device comprises pressure-bearing roller, supporting roll wheel support, supporting roll endless chain, described supporting roll wheel support is in turn connected to form the pressure-bearing roller rotary supporting, it is captiveed joint with last rotating part, is provided with guide roller along the outside of pressure-bearing roller rotary supporting and moves pressure-bearing roller inner orbit;
Described pressure-bearing roller is in turn connected to form pressure-bearing roller band by the supporting roll endless chain, and is placed on the pressure-bearing roller inner orbit, and described chain type roller rotary supporting device is placed on the circular guideway in the lower support portion by pressure-bearing roller band;
The described anti-bearing set that rolls comprises anti-hook roller, anti-hook rolling wheel support, anti-hook roller chain, described anti-hook rolling wheel support is in turn connected to form anti-hook roller rotary supporting, it is captiveed joint with last rotating part, is provided with guide roller along the outside of anti-hook roller rotary supporting and moves anti-hook roller inner orbit;
Described anti-hook roller is in turn connected to form anti-hook roller band by anti-hook roller chain, and is placed on the anti-hook roller inner orbit, and described chain type roller rotary supporting device is placed in counter rolling on the guide rail in the lower support portion by anti-hook roller band;
Described pivoting support guide rail and the anti-guide rail that rolls are concentric circle.
The chain type roller rotary supporting device of this heavy-duty floating crane, by last revolution support and following anti-synergy of rolling support, support huge dead load of heavy-duty floating crane and super large hoisting capacity, wherein last revolution support directly bears the pressure from top, and counter down form of rolling supporting by anti-hook provides bigger moment for crane barge hoists; Last revolution support and the following anti-chain type roller rotary supporting device that support all is the above-mentioned patent of employing that rolls, because the version and the characteristics of this chain type roller rotary supporting innovation, little as the roller spacing, the roller tread is wide, chain type rotation rolling etc., thus make this novel chain type roller rotary supporting device load-carrying capacity stronger.
Large-scale floating crane pivoting support structure of the present invention not only possesses the basic function of existing type, comprise supporting and revolution, the complete machine topside is turned round along track, 360 ° of full circle swingings, hoisting capacity super large, can once lift by crane the weight of several kilotons even ten thousand tons, carry out functions such as marine operation, and need not stop revolution can when hoisting heavy, realizing turning round operation continuously the time, and allow ship that certain inclination is arranged, improve marine operation efficient greatly, also improved the economic benefit of crane barge simultaneously.
Description of drawings:
Further specify the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of pressure-bearing roller rotary supporting.
Fig. 2 is a B-B cutaway view among Fig. 1.
Fig. 3 is the structural representation of crane barge in the prior art.
Fig. 4 is an A-A cutaway view among Fig. 3.
Fig. 5 is many row's roller type pivoting support structural representations that gather in the prior art.
Fig. 6 is a car-type pivoting support structural representation.
Fig. 7 is the anti-supporting structure scheme drawing that rolls.
Fig. 8 is a C-C cutaway view among Fig. 7.
The specific embodiment:
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
To hold number of rollers numerous in order to solve the heavy-duty floating crane supporting rollern, the pivoting support structural weight is excessive, perhaps the pivoting support structure is excessive, center of gravity is too high, influence the stability of crane barge resistance to overturning and ship, thereby the shortcoming that causes the heavy-duty floating crane cost to improve, and provide a kind of many row's rollers that when hoisting heavy, need not require to gather to rotate supporting constructions, saved the weight of heavy-duty floating crane revolving structure greatly, the chain type roller turning gear of a kind of heavy-duty floating crane of the height of reduction crane barge center of gravity, it has following technical scheme to realize:
A kind of chain type roller rotary supporting device of heavy-duty floating crane, this rotary supporting device comprises revolution support and the following anti-support portion of rolling, shown in Fig. 3,4: turning gear also comprises chain type roller rotary supporting device and the anti-bearing set 33 that rolls, the bearing surface of lower support portion is provided with circular guideway 6, and the reverse side of its bearing surface is provided with and the circular guideway 6 corresponding anti-guide rails 336 that roll; Last rotating part can rotatingly be placed on the circular guideway 6 of lower support portion by chain type roller rotary supporting device, and can rotatingly be placed in the counter of lower support portion and roll on the guide rail 336 by the anti-bearing set 33 that rolls; As illustrated in fig. 1 and 2: chain type roller rotary supporting device comprises pressure-bearing roller 1, supporting roll wheel support 2, supporting roll endless chain 4, supporting roll wheel support 2 is in turn connected to form pressure-bearing roller rotary supporting 31, it is captiveed joint with last rotating part, be provided with guide roller along the outside of pressure-bearing roller rotary supporting 31 and move pressure-bearing roller inner orbit 5, pressure-bearing roller 1 is in turn connected to form pressure-bearing roller band 7 by supporting roll wheel carrier bar 4, and being placed on the pressure-bearing roller inner orbit 6, chain type roller rotary supporting device is placed on the circular guideway 6 in the lower support portion by pressure-bearing roller band 7.
As Fig. 7, shown in Figure 8: the anti-bearing set 33 that rolls comprises anti-hook roller 331, anti-hook rolling wheel support 332, anti-hook roller chain 333, anti-hook rolling wheel support 332 is in turn connected to form anti-hook roller rotary supporting 300, it is captiveed joint with last rotating part, be provided with guide roller along the outside of anti-hook roller rotary supporting 300 and move anti-hook roller inner orbit 334, anti-hook roller 331 is in turn connected to form anti-hook roller band 335 by anti-hook roller chain 333, and be placed on the anti-hook roller inner orbit 334, chain type roller rotary supporting device is placed in counter rolling on the guide rail 336 in the lower support portion by anti-hook roller band 335, and circular guideway 6 and the anti-guide rail 336 that rolls are concentric circle.
This device in-to-in running principle and detailed operation process: the pressure-bearing roller 1 in the chain type roller rotary supporting device is placed supporting roll wheel support 2 successively on the customization track of pressure-bearing roller rotary supporting 31, can roll along pressure-bearing roller inner orbit 5, and link to each other in twos by supporting roll endless chain 4 between pressure-bearing roller 1 and the pressure-bearing roller 1, keep that the spacing between the pressure-bearing roller 1 is constant in twos, one circle chain type roller rolls by same direction cw or conter clockwise simultaneously during rolling, pressure-bearing roller 1 has been owing to be subjected to the restriction of pressure-bearing roller inner orbit 5 on the supporting roll wheel support 31, rolls on the pressure-bearing roller inner orbit 5 of the pressure-bearing roller band 7 that pressure-bearing roller 2 forms on the supporting roll wheel support 2.
Pressure-bearing roller band 7 is connected on the rotating part of crane barge top by bearing pin 8 and flange 3, when crane barge top rotating part turns round, butt flange 3 drives pressure-bearing roller band 7 and moves together, and pressure-bearing roller 1 also rolls along circuit orbit together along with butt flange 3 and rolling wheel support 2, pressure-bearing roller 1 is then bearing the weight of topside, drives topside by butt flange 3 simultaneously and turns round together; The rotating part of crane barge is arranged on the pressure-bearing roller 1 according to a delineation rounding circular orbit, be connected on the supporting roll wheel support 2 and then between the pressure-bearing roller 1 in the roller devices and be connected on the topside by butt flange 3, just can roll by such connection structure roller 1 with respect to the circular guideway 6 of revolution lower support, simultaneously pressure-bearing roller 1 itself also the pressure-bearing roller inner orbit 5 on the supporting roll wheel support 2 do the rotation rolling.
Pressure-bearing roller 1 relies on the chain type roller support to be placed on the customization track of pressure-bearing roller rotary supporting 31, and the rotating part of crane barge is arranged on the pressure-bearing roller 1 according to the customised especially arc-shaped rail of a circle, each roller in the roller devices both can roll with respect to getting on the right track of rotating part, also can roll with respect to the circular guideway 6 of revolution lower support, simultaneously pressure-bearing roller 1 itself also the pressure-bearing roller inner orbit 5 on the supporting roll wheel support 2 do the rotation rolling.Pressure-bearing roller rotary supporting 31 among the present invention is finished by following the connection with the connection of crane barge structure: the crane barge rotating part is bearing on the revolution lower support by chain type roller rotary supporting device, chain type roller rotary supporting device is by on the supporting roll wheel support 2 top rotating parts, at center of gyration, the rotating part of crane barge is enclosed within on the cylindrical drum of fixed part by a following little cylindrical shell 32 that can make gyroscopic movement can move and bear horizontal force more reposefully, two cylindrical shells relatively rotate by the cylindrical shape plain bearing of centre in turning course, and topside can prevent that by one the crane barge rotating part anti-bearing set 33 that rolls that topples from hooking on the pivoting support cylindrical shell of bottom and leave some gaps in turning course.
The anti-bearing set 33 that rolls also adopts chain type revolution roller to press bearing structure, its operation mechanism is: become single fulcrum or few fulcrum stressed into many fulcrums evenly stressed, reduce anti-roller wheel load, prolong roller service life, also increased simultaneously counter the stressed of support that roll, make structure can bear bigger capsizing moment, increased the load-carrying capacity of crane barge.
Whole rotary track is set to a circle round circular orbit, and the roller of chain type roller rotary supporting device of the present invention arranges with rotating round circular orbit and mate mutually that pressure-bearing roller 1 just rolls on rotary track 6; Carry out mechanical analysis according to the topside stressing conditions, arranging position and the number of chain type roller rotary supporting device of the present invention on round circular orbit, to guarantee that this device just in time is arranged in the stressed direct position of crane barge, make the crane barge more reasonable stress, load-carrying capacity is bigger; Level and smooth for guaranteeing that pressure-bearing roller 1 rolls when turning round with track, pressure-bearing roller 1 adopts the form of cone to make things convenient for it level and smooth, and the circular cone gradient that is complementary with pressure-bearing roller 1 is also arranged at the rotary track tread of crane barge, it is level and smooth not only to roll between pressure-bearing roller 1 and the track like this, and do circumference around center of gyration always and roll, realized the requirement of 360 ° of full circle swingings of crane barge, the range of movement of crane barge is increased greatly; The roller of apparatus of the present invention has adopted width wideer than original wheel, and the line length of contact of roller and track is longer, and its load-carrying capacity is stronger than original wheel; Being equipped with between pressure-bearing roller 1 and two tracks must elasticity and plasticity smoked sheet, makes the wheel load between each roller distribute trend more even, thereby makes this novel chain type roller rotary supporting device load-carrying capacity stronger.
The roller spacing of chain type roller rotary supporting device of the present invention is little, arranges more rollers on the unit length, makes compact conformation, and load-carrying capacity is big, exerts all one's strength to be evenly distributed; On the rolling wheel guide rails of chain type roller rotary supporting device and rolling wheel support, can make roller, make its revolution steadily along specific orbital motion; The rolling wheel guide rails of chain type roller rotary supporting, when pressure-bearing is rolled in orbit, the roller also inner orbit on the rolling wheel support itself is done rotation and is rolled, the effect of roller is fully played, more existing many row's rollers that gather support the roller of saving number, has improved the advantage of roller degree of utilization.
More than show and described groundwork of the present invention and principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. the chain type roller rotary supporting device of a heavy-duty floating crane, this rotary supporting device comprises revolution support and the following anti-support portion of rolling, it is characterized in that, described rotary supporting device also comprises chain type roller rotary supporting device and the anti-bearing set that rolls, the bearing surface of described lower support portion is provided with circular guideway, and the reverse side of its bearing surface is provided with and the corresponding anti-guide rail that rolls of circular guideway; The described rotating part of going up can rotatingly be placed on the circular guideway of lower support portion by chain type roller rotary supporting device, and can rotatingly be placed in the counter of lower support portion and roll on the guide rail by the anti-bearing set that rolls; Described chain type roller rotary supporting device comprises pressure-bearing roller, supporting roll wheel support, supporting roll endless chain, described supporting roll wheel support is in turn connected to form the pressure-bearing roller rotary supporting, it is captiveed joint with last rotating part, be provided with guide roller along the outside of pressure-bearing roller rotary supporting and move the pressure-bearing inner orbit, described pressure-bearing roller is in turn connected to form pressure-bearing roller band by the supporting roll endless chain, and be placed on the pressure-bearing roller inner orbit, described chain type roller rotary supporting device is placed on the circular guideway in the lower support portion by pressure-bearing roller band.
2. the chain type roller rotary supporting device of a kind of heavy-duty floating crane according to claim 1, it is characterized in that, the described anti-bearing set that rolls comprises anti-hook roller, anti-hook rolling wheel support, anti-hook roller chain, described anti-hook rolling wheel support is in turn connected to form anti-hook roller rotary supporting, it is captiveed joint with last rotating part, be provided with guide roller along the outside of anti-hook roller rotary supporting and move anti-hook roller inner orbit, described anti-hook roller is in turn connected to form anti-hook roller band by anti-hook roller chain, and be placed on the anti-hook roller inner orbit, described chain type roller rotary supporting device is placed in counter rolling on the guide rail in the lower support portion by anti-hook roller band.
3. the chain type roller turning gear of a kind of heavy-duty floating crane according to claim 1 is characterized in that, described pivoting support guide rail and the anti-guide rail that rolls are concentric circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910056231A CN101780925A (en) | 2009-08-11 | 2009-08-11 | Chain type roller rotary supporting device for heavy-duty floating crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910056231A CN101780925A (en) | 2009-08-11 | 2009-08-11 | Chain type roller rotary supporting device for heavy-duty floating crane |
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| Publication Number | Publication Date |
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| CN101780925A true CN101780925A (en) | 2010-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910056231A Pending CN101780925A (en) | 2009-08-11 | 2009-08-11 | Chain type roller rotary supporting device for heavy-duty floating crane |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134045A (en) * | 2011-04-28 | 2011-07-27 | 中国海洋石油总公司 | Rotating disk type rotary bearing device |
| CN102182148A (en) * | 2011-04-02 | 2011-09-14 | 天津天佳市政公路工程有限公司 | Quick rollers for large bridge installation |
| CN102515037A (en) * | 2012-01-09 | 2012-06-27 | 佛山市南海高达建筑机械有限公司 | Novel multi-purpose flexible variable-amplitude single-arm fixed crane |
| CN102515036A (en) * | 2011-12-27 | 2012-06-27 | 武桥重工集团股份有限公司 | High-altitude heavy-duty double-lifting trolley cantilever lifting mechanism for offshore crane ship |
-
2009
- 2009-08-11 CN CN200910056231A patent/CN101780925A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102182148A (en) * | 2011-04-02 | 2011-09-14 | 天津天佳市政公路工程有限公司 | Quick rollers for large bridge installation |
| CN102134045A (en) * | 2011-04-28 | 2011-07-27 | 中国海洋石油总公司 | Rotating disk type rotary bearing device |
| CN102515036A (en) * | 2011-12-27 | 2012-06-27 | 武桥重工集团股份有限公司 | High-altitude heavy-duty double-lifting trolley cantilever lifting mechanism for offshore crane ship |
| CN102515036B (en) * | 2011-12-27 | 2013-07-17 | 武桥重工集团股份有限公司 | High-altitude heavy-duty double-lifting trolley cantilever lifting mechanism for offshore crane ship |
| CN102515037A (en) * | 2012-01-09 | 2012-06-27 | 佛山市南海高达建筑机械有限公司 | Novel multi-purpose flexible variable-amplitude single-arm fixed crane |
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Application publication date: 20100721 |