CN102431893A - Three-point statically indeterminate reaction idler wheel structure of full-circle slewing crane - Google Patents
Three-point statically indeterminate reaction idler wheel structure of full-circle slewing crane Download PDFInfo
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- CN102431893A CN102431893A CN2011103781004A CN201110378100A CN102431893A CN 102431893 A CN102431893 A CN 102431893A CN 2011103781004 A CN2011103781004 A CN 2011103781004A CN 201110378100 A CN201110378100 A CN 201110378100A CN 102431893 A CN102431893 A CN 102431893A
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Abstract
The invention discloses a three-point statically indeterminate reaction idler wheel structure of a full-circle slewing crane, particularly relates to a large full-circle slewing crane. The design comprises three sets of reaction idler wheel mechanisms, each reaction idler wheel mechanism is composed of a reaction idler wheel, a reaction idler wheel shaft, a reaction idler wheel bracket and a handle, the reaction idler wheel shaft is an eccentric shaft linked with the reaction idler wheel bracket, and one end of the reaction idler wheel shaft is provided with the handle while the other end thereof is connected with the reaction idler wheel; the three sets of reaction idler wheel mechanisms are distributed along the circumferential direction of a pin tooth ring at intervals, the reaction idler wheel bracket of each set of the reaction idler wheel mechanism is fixedly linked with a rotary table of the crane through a connection shaft frame, an excircle surface of the reaction idler wheel is in clearance fit with a ring-shaped rail surface at the lower part of the pin tooth ring, and the clearance between the excircle surface of the reaction idler wheel and the rail of the pin tooth ring is adjusted by respectively rotating the handle at the end of the reaction idler wheel shaft, in this way, the reaction idler wheel is kept in statically indeterminate state, and the crane can bear greater heavy vertical load and overturning moment and can guarantee the lifting capability, so that the three-point statically indeterminate reaction idler wheel structure can meet the requirement of increasing lifting capability of the large full-circle slewing crane more widely.
Description
Technical field
A kind of 3 indeterminate anti-roller structures of full circle swinging hoisting crane that are used for of the present invention belong to the hoisting crane field, particularly large-scale full circle swinging hoisting crane.
Background technology
Along with the development of national economy, the economic needs relevant with the ocean is remarkable day by day.Marine petroleum development, salvage at sea the development that has greatly promoted marine large-scale full circle swinging crane ship that removes and installs of cause, ocean engineering, marine salvage, marine pipe-laying, seat transport and platform, also make simultaneously crane ship sole mass, play mass per liter and lifting altitude improves greatly.In addition, the demand of China aspect wreck salvage also becomes the factor that crane ship is built the market rise.China's coastal waters wind resource is abundant, large-scale wind generating equipment set up the development that has also promoted large-scale crane ship.In the international market, the demand to the full circle swinging crane ship is also rising.Along with the continuous expansion of commercial production scale, production efficiency improves day by day, and material handling trucking expenses proportion increases gradually in the process of producing product, impels the demand of large-scale full circle swinging hoisting crane also constantly to increase, and hoisting capacity is also increasing.Traditional following two kinds of support patterns of the large-scale common employing of full circle swinging crane rotation mechanism; First kind is to adopt the pivoting support form; But the load-carrying capacity of pivoting support is limited, and the big slightly pivoting support technical costs of load-carrying capacity is very high, is unfavorable for the development of huge revolving hoisting crane.Second kind is to adopt anti-idler wheel mechanism, adopts statically determinate two anti-idler wheel mechanism usually, in order to improve the antidumping performance; Usually do anti-roller radius of turn very greatly, increase considerably crane counterweight weight, to reduce the stressed of anti-roller; And single anti-roller structure is huge, and is stressed reasonable inadequately, from great; Resource consumption is high, and cost is high, is unfavorable for installing and transportation.Therefore, when adopting anti-idler wheel mechanism, how under the prerequisite that satisfies the complete machine performance, reducing structural weight, make structure stress more reasonable, is the problem that need solve on the practical applications.Adopting the anti-roller structure of many groups is potential schemes that solve structure stress, yet, in practical application, how to make the anti-roller structure of many groups keep indeterminate state, respectively to organize anti-roller evenly stressed thereby make, and is the difficult problems of the anti-roller structure technical application of many groups.
Summary of the invention
Patent purpose of the present invention provides a kind of 3 indeterminate anti-roller structures of full circle swinging hoisting crane that are used for, and can guarantee lifting capacity, can make structure stress more evenly rationally again, has improved the ability that structure is born vertical load and capsizing moment greatly; Reduce the weight of single anti-roller structure, be convenient to assembling.
Patented technology scheme of the present invention is following:
Patent of the present invention is used for 3 indeterminate anti-roller structures of full circle swinging hoisting crane, comprises that rotating platform of crane, roller running mechanism, revolution drive, revolution train and the anti-idler wheel mechanism of three covers; Rotating platform of crane is arranged on the top of roller running mechanism, and top and rotating platform of crane that revolution drives are fixedly connected, and the revolution train is by swiveling gear; Pin wheel and pin gear ring are formed, and swiveling gear drives the bottom with revolution and is connected pin wheel and the transmission of swiveling gear pin tooth; Pin gear ring and pin wheel pin joint; Circular orbit is arranged respectively at pin gear ring top, bottom, and pin gear ring top rail cooperates with the roller running mechanism, and characteristics are: the anti-idler wheel mechanism of every cover is made up of anti-roller, anti-roller shaft, anti-rolling wheel support and handle; Anti-roller shaft is an eccentric shaft; Handle is fixed in anti-roller shaft one end, and anti-roller is connected the anti-roller shaft other end through bearing, and anti-roller shaft is connected in anti-rolling wheel support; The anti-idler wheel mechanism of three covers is along the circumferential angle distribution at interval of pin gear ring; The anti-rolling wheel support of the anti-idler wheel mechanism of every cover is fixedly connected through connecting pedestal and rotating platform of crane; Anti-roller periphery and pin gear ring lower annular orbital plane free-running fit; Through rotating the handle of anti-roller axle head respectively, adjust the gap between anti-roller periphery and the pin gear ring track, thereby make anti-roller keep indeterminate state.
Above-mentioned interval angle along pin gear ring track anti-idler wheel mechanism circumferential spaced apart is 28～32 degree.
Above-mentioned connection pedestal is made up of hanger axle and hanger.
The patent of the present invention power of toppling that turntable is suffered is converted into the vertical bearing force of anti-pair of rollers orbital plane, and adopts 3 indeterminate anti-roller structures, makes each anti-roller structure stressed evenly; Greatly reduce the vertical reaction of bearing of the single strong point; Make structure stress more evenly rationally, therefore can bear bigger vertical application force and capsizing moment, when suffered capsizing moment one timing of structure; Because of structure can be born bigger vertical application force; Event can reduce the arm of force of vertical application force, promptly reduces the radius of turn of anti-roller structure, sells the gear ring track accordingly and sell the gear ring structure radius all to reduce; So just reduce the shared space of structure, alleviated the weight of structure; Simultaneously, because it is stressed to have reduced single anti-roller structure, single anti-roller structure also can reduce, and has also alleviated the weight of anti-roller structure.Therefore the design both can reduce the weight of single anti-roller structure greatly; Make structure stress more evenly rationally, reduce structure and take up space, alleviate structure weight; Can bear bigger vertical load and capsizing moment; Can guarantee lifting capacity again, be convenient to install and transportation, make it more suit in the increasing requirement of large-scale full circle swinging crane hoisting ability.
Description of drawings
Fig. 1 is 3 indeterminate anti-roller structure A-A cross sectional view of the present invention
Fig. 2 is that 3 indeterminate anti-roller structure B of the present invention are to expansion drawing
Fig. 3 is 3 indeterminate anti-roller structure E-E cross sectional view of the present invention
Fig. 4 is 3 anti-roller shaft enlarged drawings of indeterminate anti-roller structure of the present invention
Fig. 5 is that 3 indeterminate anti-roller structure K of the present invention are to the installation site scheme drawing
Fig. 6 is 3 indeterminate anti-roller structure scheme drawings of the present invention
The specific embodiment
How combine accompanying drawing to further specify patent of the present invention implements at present:
3 indeterminate anti-roller structures of patent of the present invention are made up of the anti-roller structure of three covers, and the anti-roller structure of every cover comprises hanger, hanger axle, anti-rolling wheel support; Anti-roller shaft, handle, self-lubricating bearing and anti-roller, as shown in Figure 1, anti-roller 7 is connected on the self-lubricating bearing 6 of anti-roller axle head; Anti-roller shaft 5 connects with self-lubricating bearing 6; Anti-rolling wheel support 4 connects with anti-roller shaft 5, hanger 2 and rotating platform of crane 1 welding, and anti-rolling wheel support 4 is plugged hanger axle 3 connect well with hanger 2 after; Handle 9 is welded on anti-roller shaft 5 ends, anti-roller 7 peripheries and pin gear ring 15 lower annular tracks 8 free-running fits.Roller running mechanism 11 is arranged on the pin gear ring 15 top annular tracks 10; Rotating platform of crane 1 is arranged on the top of roller running mechanism 11; The top flange plate 15-1 Bolt Connection of the middle part of rotating platform of crane 1 and pin gear ring 15; The top and the rotating platform of crane 1 of revolution driving 12 are fixedly connected, and swiveling gear 13 is installed in revolution and drives 12 bottom, pin wheel 14 and the top flange plate 15-1 of pin gear ring 15, the pin-and-hole position pin joint on the middle flange plate 15-2; Swiveling gear 13 and pin wheel 14 fitting pin tooth transmissions, the bottom wing listrium 15-3 of pin gear ring 15 is fixedly connected on fixed bearing 16; It is circumferential that the anti-roller structure of three covers is arranged in pin gear ring lower annular track 8 with interval angle D; The scope of angle D is 28～32 degree; In the present embodiment, angle D is 28 degree, and anti-roller structure is arranged scheme drawing such as Fig. 5; The anti-roller structure symmetrical arrangement of three covers center lays respectively at P1, P2, P3 point, and the center of symmetry axis all points to center of gyration.Anti-roller shaft 5 is an eccentric shaft; Its axis is respectively A, B, and is as shown in Figure 4, through handle 9 anti-roller shaft 5 rotated; Thereby drive anti-roller 7 rotations, the gap of adjusting between anti-roller 7 peripheries and the pin gear ring 15 lower annular tracks 8 makes anti-roller structure keep indeterminate state.
Start power and driving system; After starting revolution driving 12; Be installed in swiveling gear 13 that revolution drives 12 bottoms and be installed in pin wheel 14 in the pin gear ring 15 through the generation rotary motive power that is connected, because pin gear ring 15 is fixed on the fixed bearing 16, therefore; Rotary motive power turns round the rotating platform of crane 1 of driving rotational driving 12 and captive joint thereof; During revolution, rotating platform of crane 1 transfers row through the roller running mechanism 11 that is installed in its underpart at the top annular track of pin gear ring 15 10 last times, thereby realizes the gyroscopic movement of whole hoisting crane; In the turning course, the anti-roller structure that is installed in rotating platform of crane 1 bottom also transfers row at the lower annular track of pin gear ring 15 simultaneously 8 last times, is used to transmit the power of toppling of rotating platform of crane 1.
By the design, when turntable was toppled power, the upwards distortion of anti-wheels side turntable 1 made anti-roller 7 peripheries contact with pin gear ring lower annular track 8, the turntable power of toppling is converted into the vertical load of contact point; Because the design adopts the multiple spot way of contact, thereby has reduced the vertical application force of single contact point greatly, make the stressed more evenly reasonable of structure, therefore can bear bigger vertical load and capsizing moment; When suffered capsizing moment one timing of structure; Because of structure can be born bigger vertical application force; Event can reduce the arm of force of vertical application force, promptly reduces the radius of turn of anti-roller structure, sells the gear ring track accordingly and sell the gear ring structure radius all to reduce; So just reduce the shared space of structure, alleviated the weight of structure; The stressed also corresponding of each anti-roller structure reduces simultaneously, also can correspondingly reduce the weight of anti-roller structure, is convenient to assembling.
Claims (3)
1. one kind is used for 3 indeterminate anti-roller structures of full circle swinging hoisting crane, comprises that rotating platform of crane, roller running mechanism, revolution drive, revolution train and the anti-idler wheel mechanism of three covers; Rotating platform of crane is arranged on the top of roller running mechanism, and top and rotating platform of crane that revolution drives are fixedly connected, and the revolution train is by swiveling gear; Pin wheel and pin gear ring are formed, and swiveling gear drives the bottom with revolution and is connected pin wheel and the transmission of swiveling gear pin tooth; Pin gear ring and pin wheel pin joint; Circular orbit is arranged respectively at pin gear ring top, bottom, and pin gear ring top rail cooperates with the roller running mechanism, it is characterized in that the anti-idler wheel mechanism of every cover is made up of anti-roller, anti-roller shaft, anti-rolling wheel support and handle; Anti-roller shaft is an eccentric shaft; Handle is fixed in anti-roller shaft one end, and anti-roller is connected the anti-roller shaft other end through bearing, and anti-roller shaft is connected in anti-rolling wheel support; The anti-idler wheel mechanism of three covers is along the circumferential angle distribution at interval of pin gear ring; The anti-rolling wheel support of the anti-idler wheel mechanism of every cover is fixedly connected through connecting pedestal and rotating platform of crane; Anti-roller periphery cooperates with pin gear ring lower annular orbit gap; Through rotating the handle of anti-roller axle head respectively, adjust the gap between anti-roller periphery and the pin gear ring track, thereby make anti-roller keep indeterminate state.
2. a kind of 3 indeterminate anti-roller structures of full circle swinging hoisting crane that are used for according to claim 1 is characterized in that along the interval angle of pin gear ring track anti-idler wheel mechanism circumferential spaced apart be 28～32 degree.
3. a kind of 3 indeterminate anti-roller structures of full circle swinging hoisting crane that are used for according to claim 1 is characterized in that connecting pedestal and are made up of hanger axle and hanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110378100.4A CN102431893B (en) | 2011-11-24 | 2011-11-24 | Three-point statically indeterminate reaction idler wheel structure of full-circle slewing crane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110378100.4A CN102431893B (en) | 2011-11-24 | 2011-11-24 | Three-point statically indeterminate reaction idler wheel structure of full-circle slewing crane |
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| CN102431893A true CN102431893A (en) | 2012-05-02 |
| CN102431893B CN102431893B (en) | 2014-02-26 |
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| CN201110378100.4A Active CN102431893B (en) | 2011-11-24 | 2011-11-24 | Three-point statically indeterminate reaction idler wheel structure of full-circle slewing crane |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480883A (en) * | 2015-12-22 | 2016-04-13 | 武汉船用机械有限责任公司 | Rotation structure of pile leg winding type offshore platform crane |
| CN106744397A (en) * | 2016-11-17 | 2017-05-31 | 武汉船用机械有限责任公司 | A kind of slew gear of ultra-large type isolated pillar crane |
| CN112875178A (en) * | 2021-01-06 | 2021-06-01 | 贵州科建检测有限公司 | Geological radar antenna box capable of moving up and down along concrete dam face with certain gradient |
| CN115448182A (en) * | 2022-09-13 | 2022-12-09 | 武汉武桥重工设计有限公司 | Method for rapidly replacing center pivot of rotating device in situ |
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| US3955684A (en) * | 1975-02-06 | 1976-05-11 | Harnischfeger Corporation | Rotary crane structure with a selective drive on power unit |
| US6516961B1 (en) * | 1998-03-26 | 2003-02-11 | Atecs Mannesmann Ag | Ringlift crane |
| CN201121102Y (en) * | 2007-10-31 | 2008-09-24 | 中铁武桥重工股份有限公司 | Support apparatus for large-scale complete rotary crane |
| CN101607679A (en) * | 2009-07-16 | 2009-12-23 | 上海振华重工(集团)股份有限公司 | The roller elastic track slewing supporting device that is used for ultra-large type full circle swinging hoisting crane |
| EP2228334A2 (en) * | 2009-02-25 | 2010-09-15 | Manitowoc Crane Companies, LLC | Swing drive system for cranes |
| CN202414978U (en) * | 2011-11-24 | 2012-09-05 | 武桥重工集团股份有限公司 | Three-point hyperstatic reaction wheel structure for full-circle slewing crane |
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2011
- 2011-11-24 CN CN201110378100.4A patent/CN102431893B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3955684A (en) * | 1975-02-06 | 1976-05-11 | Harnischfeger Corporation | Rotary crane structure with a selective drive on power unit |
| US6516961B1 (en) * | 1998-03-26 | 2003-02-11 | Atecs Mannesmann Ag | Ringlift crane |
| CN201121102Y (en) * | 2007-10-31 | 2008-09-24 | 中铁武桥重工股份有限公司 | Support apparatus for large-scale complete rotary crane |
| EP2228334A2 (en) * | 2009-02-25 | 2010-09-15 | Manitowoc Crane Companies, LLC | Swing drive system for cranes |
| CN101607679A (en) * | 2009-07-16 | 2009-12-23 | 上海振华重工(集团)股份有限公司 | The roller elastic track slewing supporting device that is used for ultra-large type full circle swinging hoisting crane |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105480883A (en) * | 2015-12-22 | 2016-04-13 | 武汉船用机械有限责任公司 | Rotation structure of pile leg winding type offshore platform crane |
| CN106744397A (en) * | 2016-11-17 | 2017-05-31 | 武汉船用机械有限责任公司 | A kind of slew gear of ultra-large type isolated pillar crane |
| CN112875178A (en) * | 2021-01-06 | 2021-06-01 | 贵州科建检测有限公司 | Geological radar antenna box capable of moving up and down along concrete dam face with certain gradient |
| CN112875178B (en) * | 2021-01-06 | 2022-09-13 | 贵州科建检测有限公司 | Geological radar antenna box moving up and down along concrete dam face with certain gradient |
| CN115448182A (en) * | 2022-09-13 | 2022-12-09 | 武汉武桥重工设计有限公司 | Method for rapidly replacing center pivot of rotating device in situ |
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| CN102431893B (en) | 2014-02-26 |
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