CN103112780A - Swinging method of large-scale square object and crane thereof - Google Patents
Swinging method of large-scale square object and crane thereof Download PDFInfo
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- CN103112780A CN103112780A CN2013100742327A CN201310074232A CN103112780A CN 103112780 A CN103112780 A CN 103112780A CN 2013100742327 A CN2013100742327 A CN 2013100742327A CN 201310074232 A CN201310074232 A CN 201310074232A CN 103112780 A CN103112780 A CN 103112780A
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Abstract
The invention discloses a swinging method of a large-scale square object. The scheme of four-lifting-point hoisting is that a bridge crane is provided with two sets of the lifting mechanisms, each lifting mechanism is provided with two lifting points, the four lifting points are utilized to lift the large-scale square object, and a balance arm device is arranged between the two of the four lifting points; and the whole crane is regarded as a lifting system, the two connected lifting points form a lifting point of the system, the four-lifting-point excessive positioning problem is solved, the stable rise and fall and swing of the large-scale square object are realized, and the swinging level of the large-scale square object is improved to the new height. The invention simultaneously discloses a crane of the large-scale square object using the swing method, the crane has the advantages that the design is reasonable, the operation is stable, and the cane is worth of popularizing and applying.
Description
Technical field
The present invention relates to a kind of handling method and handling appliance of hoisting crane, particularly handling method and the handling appliance of the square articles of, good rigidly large to oad belong to the heavy-duty machinery technical field.
Background technology
At present, handling length and width size disparity is not too large object, adopts a suspension centre just can realize safe handling; The handling elongate article adopts the mode of 2 liftings to get final product usually; But when handling both length and wide, rigidity is again during particularly preferred object, adopt the mode handling of 2 liftings obviously can not meet the demands, thereby just must adopt the mode of 4 liftings to carry out handling, can guarantee quiet takeoff and landing and the transportation of the object that hangs, but according to 3 principles that determine a plane, obviously there was the problem of location in 4 liftings, especially for not only long but also the wide and particularly preferred object of rigidity, because this class object does not have deformation or does not allow to occur deformation in the handling process, thereby be easy to occur each suspension centre unbalance stress and cause wherein some suspension centre overload, and then accidents caused, perhaps directly hanging object is damaged, therefore need badly present four-point lifting handling mode is carried out technological improvement, guarantee that handling crosses title safely and fast.
Summary of the invention
The objective of the invention is to propose a kind of energy for above-mentioned technical matters and guarantee the handling method of large-scale square articles quiet takeoff and landing and handling, and propose a kind of large-scale square articles hoisting crane of using the method.
The present invention solves the problems of the technologies described above the technical scheme that adopts: a kind of handling method of large-scale square articles, adopt the scheme of four-point lifting lifting, at a crane in bridge type two cover lifting mechanisms are installed, two suspension centres are set on every cover lifting mechanism, use four suspension centres that large-scale square articles is lifted by crane, two suspension centres on the one cover lifting mechanism are fixed on the support of lifting mechanism, by same motor-driven synchronization lifting; Between two suspension centres of another set of lifting mechanism, a balance arm device is set, two suspension centres are coupled together, by same motor-driven synchronization lifting, automatically adjust in real time the load of two suspension centres by this balance arm device, load between two suspension centres of balance, realize that the load that two suspension centres bear is consistent, be equal to a suspension centre at mechanics principle, regard whole hoisting crane as a tackling system, two suspension centres that are coupled to each other are a suspension centre of system, thereby solved the problem that four-point lifting is crossed the location, realized quiet takeoff and landing and the handling of large-scale square articles, the handling level of large-sized object brought up to a new height.
As a further improvement on the present invention, described two cover lifting mechanisms are installed on same the running trolley.
As a further improvement on the present invention, described two cover lifting mechanisms are installed in respectively on the running trolley of two platform independent operation.
As a further improvement on the present invention, described balance arm device is that the hinged method of cross is fixedly connected on the support of running trolley, in the load between two suspension centres of balance, can make again the pulley that is installed in the balancing device two ends follow the swing of steel rope and swing, guarantee that steel rope enters the pulley race smoothly.
The present invention also proposes a kind of large-scale square articles hoisting crane according to said method, be crane in bridge type, comprise bridge-type cart, running trolley, lifting mechanism A, lifting mechanism B, described running trolley is installed on the described bridge-type cart and at cart and walks, and described lifting mechanism A and lifting mechanism B are installed on the running trolley; Be provided with suspension centre C and suspension centre D on the described lifting mechanism A, described suspension centre C and suspension centre D and same motor link synchronization lifting; Be provided with suspension centre E and suspension centre F on the described lifting mechanism B, described suspension centre E and suspension centre F and same motor link, synchronization lifting, be provided with a balance arm device between described suspension centre E and the suspension centre F, described balance arm device described suspension centre E and suspension centre F are connected and the described suspension centre E of balance and suspension centre F between load, regard whole hoisting crane as a system, described suspension centre E and suspension centre F are equal to a suspension centre of system, thereby have solved the problem that four-point lifting is crossed the location.
As a further improvement on the present invention, described lifting mechanism A comprises a two output shaft electric machine, coupler, two drgs, two reductors, two reel groups, two steel ropes, two running blocks, two groups of fixed pulleys; Described pair of output shaft electric machine is installed between the high speed shaft of two described reductors by described coupler, two described drgs are installed in respectively the high speed axle head of two described reductors, two described reel groups are installed in respectively the low speed axle head of two described reductors, become word order; Two groups of described fixed pulleys are separately positioned on two described reel group sides; Described fixed pulley is comprised of minute three seven fixed pulleys that form product word layout, and the wiring direction of described steel rope on described fixed pulley is parallel with the axis of described reel group, and two described running blocks pass through described steel wire hang below lifting mechanism.
As a further improvement on the present invention, described lifting mechanism B comprises a two output shaft electric machine, coupler, two drgs, two reductors, two reel groups, two steel ropes, two running blocks, two groups of fixed pulleys and balance arm device; Described pair of output shaft electric machine is installed between the high speed shaft of two described reductors by described coupler, two described drgs are installed in respectively the high speed axle head of two described reductors, two described reel groups are installed in respectively the low speed axle head of two described reductors, become word order; Two groups of described fixed pulleys are separately positioned on two described reel group sides; Described fixed pulley is comprised of minute three seven fixed pulleys that form product word layout, wherein one group of fixed pulley is that equalizer pulley is installed on the balance arm device, the wiring direction of described steel rope on described fixed pulley is parallel with the axis of described reel group, and two described running blocks pass through described steel wire hang below lifting mechanism.
As a further improvement on the present invention, described balance arm device comprises bearing, equalizing bar, and two support beams, two pulleys hang fork and bearing pin; Described bearing is installed on the described running trolley, and two described support beams are installed in described bearing top, and two described equalizer pulleys are installed in respectively the two ends of described equalizing bar, and described equalizing bar hangs fork and the bearing pin cross hinge is connected on two support beams by described.
As a further improvement on the present invention, described running trolley is one, and described lifting mechanism A, lifting mechanism B are installed on same the described running trolley.
As a further improvement on the present invention, described running trolley is two, and described lifting mechanism A, lifting mechanism B are installed in respectively on two described running trolleys.
As a further improvement on the present invention, described running block can also be suspension hook.
Beneficial effect of the present invention is:
1. because the fixed pulley in the lifting mechanism divides three to form the product words and be arranged on the running trolley, not only easy to maintenance, but also greatly improved the limes superiors of running block or suspension hook, reduced the hoisting crane height overall, saved the factory building investment.
2. because each lifting mechanism all adopts 2 liftings, main stressed member makes the running trolley reasonable stress near the running trolley end, and weight reduction has reduced equipment investment.
3. be provided with balance arm device at lifting mechanism B, successfully solved 4 problems of crossing the location, made four suspension centres simultaneously stressed, balance arm device is that cross is hinged with respect to trolley frame simultaneously, the pulley that is installed in the equalizing bar two ends is swung with steel rope, can guarantee that steel rope enters groove smoothly.
Each outer auxiliary equipment of the present invention all adopts domestic universal standard product, and reasonable in design, advanced technology operates steadily, dependable performance, and design concept meets national conditions, and manufacturing cost is significantly reduced, and is convenient to Spread in China and uses; Its economic benefit, environmental benefit and social benefit are showing, and overall technology is reached advanced world standards, and are worthy of popularization.
Description of drawings
Fig. 1 is lifting mechanism A structural representation;
Fig. 2 is the crane in bridge type structural representation;
Fig. 3 is lifting mechanism B structural representation;
Fig. 4 is the balance arm device structural representation;
Fig. 5 is lifting mechanism A wirerope-winding sketch;
Fig. 6 is lifting mechanism B wirerope-winding sketch.
Among the figure: 1. pair output shaft electric machine, 2. drg, 3. reductor, 4. reel group, 5. steel rope, 6. running block, 7. fixed pulley, 8. coupler, 9. balance arm device, 10. equalizer pulley, 11. equalizing bars, 12. support beams, 13. hang fork, 14. bearing pins, 15. bearings.
The specific embodiment
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, the accompanying drawing of required use was done to introduce simply during the below will describe embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Embodiment one: a kind of handling method of large-scale square articles, adopt the scheme of four-point lifting lifting, at a crane in bridge type two cover lifting mechanisms are installed, two cover lifting mechanisms are installed on same the running trolley, two suspension centres are set on every cover lifting mechanism, use four suspension centres that large-scale square articles is lifted by crane, two suspension centres on the cover lifting mechanism are fixed on the support of lifting mechanism, by same motor-driven synchronization lifting; Between two suspension centres of another set of lifting mechanism, a balance arm device is set, balance arm device is that the hinged method of cross is fixedly connected on the support of running trolley, two suspension centres are coupled together, by same motor-driven synchronization lifting, automatically adjust in real time the load of two suspension centres by this balance arm device, load between two suspension centres of balance, realize that the load that two suspension centres bear is consistent, be equal to a suspension centre at mechanics principle, simultaneously balance arm device can make again the pulley that is installed in the balancing device two ends follow the swing of steel rope and swing, and guarantees that steel rope enters the pulley race smoothly; Regard whole hoisting crane as a tackling system, two suspension centres that are coupled to each other by balance arm device are a suspension centre of system, thereby solved the problem that four-point lifting is crossed the location, realized quiet takeoff and landing and the handling of large-scale square articles, the handling level of large-sized object has been brought up to a new height.
A kind of large-scale square articles hoisting crane that proposes according to said method, be crane in bridge type, adopt the four-point lifting form to carry out lifting operation, comprise bridge-type cart, running trolley, lifting mechanism A, lifting mechanism B, running trolley is installed on the bridge-type cart and at cart and walks, and lifting mechanism A and lifting mechanism B are installed on the running trolley.Be provided with suspension centre C and suspension centre D on the described lifting mechanism A, described suspension centre C and suspension centre D and same motor link synchronization lifting; Be provided with suspension centre E and suspension centre F on the described lifting mechanism B, described suspension centre E and suspension centre F and same motor link, synchronization lifting, be provided with a balance arm device between described suspension centre E and the suspension centre F, described balance arm device described suspension centre E and suspension centre F are connected and the described suspension centre E of balance and suspension centre F between load, regard whole hoisting crane as a system, described suspension centre E and suspension centre F are equal to a suspension centre of system, thereby have solved the problem that four-point lifting is crossed the location.
Described lifting mechanism A comprises a two output shaft electric machine 1, coupler 6,6, two groups of fixed pulleys 7 of 5, two running blocks of 4, two steel ropes of 3, two reel groups of 2, two reductors of two drgs; Two output shaft electric machines 1 are installed in by coupler 6 between the high speed shaft of two reductors 3, and two drgs 2 are installed in respectively the high speed axle head of two reductors 3, and two reel groups 4 are installed in respectively the low speed axle head of two reductors 3, become word order; Two groups of fixed pulleys 7 are separately positioned on two reel group 4 sides; Fixed pulley 7 is comprised of minute three seven fixed pulleys that form product word layout, the wiring direction of steel rope 5 on fixed pulley is parallel with the axis of reel group 4, two running blocks 6 are suspended on the lifting mechanism below by steel rope 5, and synchronization lifting is two suspension centres of large-scale square articles hoisting crane.
Described lifting mechanism B comprises a two output shaft electric machine 1, coupler 6,6, two groups of fixed pulleys 7 of 5, two running blocks of 4, two steel ropes of 3, two reel groups of 2, two reductors of two drgs and balance arm device 9; Two output shaft electric machines 1 are installed in by coupler 6 between the high speed shaft of two reductors 3, and two drgs 2 are installed in respectively the high speed axle head of two reductors 3, and two reel groups 4 are installed in respectively the low speed axle head of two reductors 3, become word order; Two groups of fixed pulleys 7 are separately positioned on two reel group 4 sides; Fixed pulley 7 is comprised of minute three seven fixed pulleys that form product word layout, and wherein one group of fixed pulley is that equalizer pulley 10 is installed on the balance arm device 9, and balance arm device 9 comprises bearing 15, equalizing bar 11,12, two pulleys of two support beams hang fork 13 and bearing pin 14; Bearing 15 is installed on the running trolley, two support beams 12 are installed in described bearing 15 tops, two equalizer pulleys 10 are installed in respectively the two ends of equalizing bar 11, equalizing bar 11 is connected on two support beams 12 by hanging fork 13 and bearing pin 14 cross hinges, guarantees can not be distorted when equalizing bar 11 is subject to load; The wiring direction of steel rope 5 on fixed pulley is parallel with the axis of reel group 4, two running blocks 6 are suspended on the lifting mechanism below by steel rope 5, synchronization lifting, two other suspension centre for large-scale square articles hoisting crane, balance arm device 9 with two running blocks 6 be connected and two running blocks 6 of balance between load, make the load of two running blocks 6 identical in real time, regard whole large-scale square articles hoisting crane as a system, two running blocks 6 are equal to a suspension centre of system, thereby have solved the problem that four-point lifting is crossed the location.
Embodiment two:
Embodiment two is the same with embodiment one principle, and just structure is different, and be with the difference of embodiment one: two cover lifting mechanisms are installed in respectively on the running trolley of two platform independent operation.
Embodiment three:
Embodiment three is the same with embodiment one principle, and just structure is different, and be with the difference of embodiment one: described balance arm device comprises bearing, equalizing bar, and two support beams, two pulleys hang fork and bearing pin; Described bearing is installed on the described running trolley, and two described support beams are installed in described bearing top, and two described equalizer pulleys are installed in respectively the two ends of described equalizing bar, and described equalizing bar hangs fork and the bearing pin cross hinge is connected on two support beams by described.
Embodiment four:
It is the same with embodiment one principle to execute example four, and be with the difference of embodiment three: lifting mechanism A, lifting mechanism B are installed in respectively on two running trolleys.
Embodiment five:
It is the same with embodiment one principle to execute example five, is with the difference of embodiment three, embodiment four: running block 6 usefulness suspension hooks substitute, as four suspension centres of large-scale square articles hoisting crane.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. the handling method of a large-scale square articles, it is characterized in that: the scheme that adopts the four-point lifting lifting, at a crane in bridge type two cover lifting mechanisms are installed, two suspension centres are set on every cover lifting mechanism, use four suspension centres that large-scale square articles is lifted by crane, two suspension centres on the one cover lifting mechanism are fixed on the support of lifting mechanism, by same motor-driven synchronization lifting; Between two suspension centres of another set of lifting mechanism, a balance arm device is set, two suspension centres are coupled together, by same motor-driven synchronization lifting, automatically adjust in real time the load of two suspension centres by this balance arm device, load between two suspension centres of balance, realize that the load that two suspension centres bear is consistent, be equal to a suspension centre at mechanics principle, regard whole hoisting crane as a tackling system, two suspension centres that are coupled to each other are a suspension centre of system, thereby solved the problem that four-point lifting is crossed the location, realized quiet takeoff and landing and the handling of large-scale square articles, the handling level of large-sized object brought up to a new height.
2. the handling method of a kind of large-scale square articles as claimed in claim 1 is characterized in that: described two cover lifting mechanisms are installed on same the running trolley.
3. the handling method of a kind of large-scale square articles as claimed in claim 1 is characterized in that: described two cover lifting mechanisms are installed in respectively on the running trolley of two platform independent operation.
4. the handling method of a kind of large-scale square articles as claimed in claim 1, it is characterized in that: described balance arm device is that the hinged method of cross is fixedly connected on the support of running trolley, in the load between two suspension centres of balance, can make again the pulley that is installed in the balancing device two ends follow the swing of steel rope and swing, guarantee that steel rope enters the pulley race smoothly.
5. one kind large-scale square articles hoisting crane, it is characterized in that: be crane in bridge type, comprise bridge-type cart, running trolley, lifting mechanism A, lifting mechanism B, described running trolley is installed on the described bridge-type cart and at cart and walks, and described lifting mechanism A and lifting mechanism B are installed on the running trolley; Be provided with suspension centre C and suspension centre D on the described lifting mechanism A, described suspension centre C and suspension centre D and same motor link synchronization lifting; Be provided with suspension centre E and suspension centre F on the described lifting mechanism B, described suspension centre E and suspension centre F and same motor link, synchronization lifting, be provided with a balance arm device between described suspension centre E and the suspension centre F, described balance arm device described suspension centre E and suspension centre F are connected and the described suspension centre E of balance and suspension centre F between load, regard whole hoisting crane as a system, described suspension centre E and suspension centre F are equal to a suspension centre of system, thereby have solved the problem that four-point lifting is crossed the location.
6. a kind of large-scale square articles hoisting crane as claimed in claim 5 is characterized in that: described lifting mechanism A comprises a two output shaft electric machine, coupler, two drgs, two reductors, two reel groups, two steel ropes, two running blocks, two groups of fixed pulleys; Described pair of output shaft electric machine is installed between the high speed shaft of two described reductors by described coupler, two described drgs are installed in respectively the high speed axle head of two described reductors, two described reel groups are installed in respectively the low speed axle head of two described reductors, become word order; Two groups of described fixed pulleys are separately positioned on two described reel group sides; Described fixed pulley is comprised of minute three seven fixed pulleys that form product word layout, and the wiring direction of described steel rope on described fixed pulley is parallel with the axis of described reel group, and two described running blocks pass through described steel wire hang below lifting mechanism.
7. such as claim 5, a kind of large-scale square articles hoisting crane claimed in claim 6, it is characterized in that: described lifting mechanism B comprises a two output shaft electric machine, coupler, two drgs, two reductors, two reel groups, two steel ropes, two running blocks, two groups of fixed pulleys and balance arm device; Described pair of output shaft electric machine is installed between the high speed shaft of two described reductors by described coupler, two described drgs are installed in respectively the high speed axle head of two described reductors, two described reel groups are installed in respectively the low speed axle head of two described reductors, become word order; Two groups of described fixed pulleys are separately positioned on two described reel group sides; Described fixed pulley is comprised of minute three seven fixed pulleys that form product word layout, wherein one group of fixed pulley is that equalizer pulley is installed on the balance arm device, the wiring direction of described steel rope on described fixed pulley is parallel with the axis of described reel group, and two described running blocks pass through described steel wire hang below lifting mechanism.
8. such as claim 5, a kind of large-scale square articles hoisting crane claimed in claim 7, it is characterized in that: described balance arm device comprises bearing, equalizing bar, and two support beams, two pulleys hang fork and bearing pin; Described bearing is installed on the described running trolley, and two described support beams are installed in described bearing top, and two described equalizer pulleys are installed in respectively the two ends of described equalizing bar, and described equalizing bar hangs fork and the bearing pin cross hinge is connected on two support beams by described.
9. a kind of large-scale square articles hoisting crane as claimed in claim 5, it is characterized in that: described running trolley is one, described lifting mechanism A, lifting mechanism B are installed on same the described running trolley.
10. a kind of large-scale square articles hoisting crane as claimed in claim 5, it is characterized in that: described running trolley is two, described lifting mechanism A, lifting mechanism B are installed in respectively on two described running trolleys.
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| CN201310074232.7A CN103112780B (en) | 2013-03-08 | 2013-03-08 | A kind of handling method of large-scale square articles and hoisting crane thereof |
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| CN201310074232.7A CN103112780B (en) | 2013-03-08 | 2013-03-08 | A kind of handling method of large-scale square articles and hoisting crane thereof |
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Cited By (1)
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| CN103264783A (en) * | 2013-05-30 | 2013-08-28 | 中石化第四建设有限公司 | Method for loading ultrahigh large-scale equipment of extreme low-position transport |
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| CN103264783A (en) * | 2013-05-30 | 2013-08-28 | 中石化第四建设有限公司 | Method for loading ultrahigh large-scale equipment of extreme low-position transport |
| CN103264783B (en) * | 2013-05-30 | 2014-10-29 | 中石化第四建设有限公司 | Method for loading ultrahigh large-scale equipment of extreme low-position transport |
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Inventor after: Liu Dechun Inventor after: Lv Fang Inventor after: Guo Xuchun Inventor after: Song Hongjun Inventor after: Li Zhongwei Inventor after: Zhang Bo Inventor after: Huang Changsheng Inventor before: Guo Xuchun |
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