CN103964314A - Upper rotary crane applicable to low-headroom plants - Google Patents

Upper rotary crane applicable to low-headroom plants Download PDF

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Publication number
CN103964314A
CN103964314A CN201410221110.0A CN201410221110A CN103964314A CN 103964314 A CN103964314 A CN 103964314A CN 201410221110 A CN201410221110 A CN 201410221110A CN 103964314 A CN103964314 A CN 103964314A
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China
Prior art keywords
dolly
crane
applicable
factory building
circular orbit
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CN201410221110.0A
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CN103964314B (en
Inventor
刘凤武
李亚鹏
王波
许国坤
杨松
余兴
张昆
陈跃文
杨树伟
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YUNNAN KISC HEAVY EQUIPMENT MANUFACTURING GROUP Co Ltd
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YUNNAN KISC HEAVY EQUIPMENT MANUFACTURING GROUP Co Ltd
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Publication of CN103964314A publication Critical patent/CN103964314A/en
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Abstract

The invention discloses an upper rotary crane applicable to low-headroom plants. The upper rotary crane applicable to the low-headroom plants comprises a cart operation mechanism, a bridge frame, a lower trolley, an upper trolley and an electric device, wherein the cart operation mechanism is arranged at an end beam of the bridge frame; the lower trolley is arranged above a main beam of the bridge frame; the electric device is arranged on the bridge frame; the lower trolley adopts a structure with a recessed middle; the upper trolley is arranged above the lower trolley; the upper surface of the main beam of the bridge frame is lower than the upper surface of the end beam. By using the lower trolley recessed structure or a main beam recessed structure, the efficient height of the rotation part of the upper trolley is reduced by using a manner of recessing the middle; the main beam of the bridge frame adopts the recessed structure, so that the height of the bridge frame can be reduced. Due to the adoption of the structures, the overall height of the crane is reduced, so that the crane can be used in the low-headroom plants. The upper rotary crane is compact in structure, reliable to operate, low in overall height and applicable to the low-headroom plants.

Description

A kind of upper rotary crane that is applicable to low clearance height factory building
Technical field
The invention belongs to weight-lifting equipment technical field, further belong to two-beam type hoisting crane technical field, be specifically related to a kind of compact conformation, reliable, be applicable to the upper rotary crane of low clearance height factory building.
Background technology
Hoisting crane is the weight-hauling equipment that alleviates heavy manual labor, raising operating efficiency, realizes safety in production.In the material production and logistics of each department of national economy, hoisting crane, as crucial process equipment or important accessory machinery, is applied very extensive.Hoisting crane is of a great variety, and upper rotary crane (being the rotatable hoisting crane of top dolly) is wherein a kind of utilization interior weight-lifting equipment using of factory building comparatively widely.Upper rotary crane is mainly comprised of traveling mechanism of the larger traveller, crane span structure, bottom dolly, top dolly, electrical equipment five parts, cart vertically moves along factory building track alignment, bottom dolly moves laterally along the track on crane bridge, the upper surface of bottom dolly is provided with circular orbit, top dolly can rotate on the circular orbit of bottom dolly, angle of rotation 67 degree of top dolly, for ± 0 °~180 °, can winch to article needed putting position and place.Upper rotary crane is applicable between the indoor or outdoor fixed span such as steel mill, stockyard and storage, handling and carrying steel plate, shaped steel, the material such as coils, the occasion that is specially adapted to handling different size and need horizontally rotates.On the lifting mechanism of top dolly, can carry the special hangers such as magnetic chuck, clamp, realize the handling to different article, operating efficiency is very high.Upper rotary crane is owing to having installed bottom dolly, two trolley components of top dolly, and its complete machine height is higher, generally than the high 500~1000mm of the twin beam overhead bridge crane of equal tonnage.Some workshops are to design by the complete machine height of twin beam overhead bridge crane when plant designing, and clear space of plant height is less.Industrial technology innovation is very fast, often to transform original production technology and flow process, according to new production technology and the feature of flow process, need the upper rotary crane of configuration, but the clear headroom of former factory building cannot be installed rotary crane, only have factory building is transformed, increase the height of factory building.This kind of old factory rehabilitation method investment is large, and the cycle is long, has affected the economic benefit of enterprise.For this reason, research and develop a kind of compact conformation, reliable, the upper rotary crane that is applicable to low clearance height factory building is the key addressing this problem.
Summary of the invention
The object of the present invention is to provide a kind of compact conformation, reliable, be applicable to the upper rotary crane of low clearance height factory building.
The object of the present invention is achieved like this, comprises traveling mechanism of the larger traveller, crane span structure, bottom dolly, top dolly, electrical equipment, and the end carriage place of described crane span structure arranges traveling mechanism of the larger traveller; The girder top of described crane span structure arranges bottom dolly; Described electrical equipment is arranged on crane span structure; Described bottom dolly adopts middle part up concave type structure; Described dolly top, bottom arranges top dolly; The girder upper surface of described crane span structure is lower than the upper surface of end carriage.
The present invention adopts bottom dolly up concave type structure or girder up concave type structure, by the recessed mode of central authorities, realizes the portion's rotation within it of top dolly, and bottom dolly can move on crane track simultaneously; Top dolly adopts wheel with built-in group structure, and the retarder of its rotating mechanism is installed on the inner side of circular orbit, has reduced the usable height of top dolly rotating part, and the height H value of top dolly reduces; The girder of crane span structure adopts up concave type structure, can reduce the height of crane span structure.The employing of above structure, has reduced the complete machine height of hoisting crane, makes the hoisting crane can be for the little occasion of clear space of plant height; In the situation that the clear headroom of factory building is little, without factory building is transformed, reduced the investment of renovation of production process, shortened the transformation cycle, increased the economic benefit of enterprise.Compact conformation of the present invention, reliable, complete machine height is little, is applicable to low clearance height factory building.
Accompanying drawing explanation
Fig. 1 is integral structure schematic diagram of the present invention;
Fig. 2 is that the little car owner in bottom of the present invention looks schematic diagram;
Fig. 3 is that crane span structure master of the present invention looks schematic diagram;
Fig. 4 is the upper rotary crane schematic diagram of prior art;
In figure: 1-traveling mechanism of the larger traveller, 2-crane span structure, 21-girder, 22-end carriage, 23-rail, 3-bottom dolly, 31-bottom wheeling mechanism, 32-crossbeam I, 33-up concave type longeron, 34-crossbeam II, 35-circular orbit, 4-top dolly, 5-electrical equipment.
The specific embodiment
Below in conjunction with accompanying drawing, the invention will be further described, but never in any form the present invention is limited, and any conversion of doing based on training centre of the present invention, all falls into protection domain of the present invention.
As shown in Fig. 1~4, the present invention includes traveling mechanism of the larger traveller 1, crane span structure 2, bottom dolly 3, top dolly 4, electrical equipment 5, end carriage 22 places of described crane span structure 2 arrange traveling mechanism of the larger traveller 1; Girder 21 tops of described crane span structure 2 arrange bottom dolly 3; Described electrical equipment 5 is arranged on crane span structure 2; Described bottom dolly 3 adopts middle part up concave type structure; Described bottom dolly 3 tops arrange top dolly 4; Girder 21 upper surfaces of described crane span structure 2 are lower than the upper surface of end carriage 22.
Described bottom dolly 3 comprises bottom wheeling mechanism 31, crossbeam I 32, up concave type longeron 33, crossbeam II 34, circular orbit 35; Described crossbeam I 32 ends arrange bottom wheeling mechanism 31; Described crossbeam I 32 is affixed with up concave type longeron 33; Recessed section between 33 two of described up concave type longerons arranges crossbeam II 34; Described up concave type longeron 33, crossbeam II 34 tops arrange circular orbit 35.
Described circular orbit 35 is a single piece or forms by several sections.
Described circular orbit 35 upper surfaces are inclined-plane, and inner side is high, and outside is low, and its gradient is consistent with the wheel face gradient of top dolly 4.
Between described circular orbit 35 and up concave type longeron 33, crossbeam II 34, bolt is connected.
Under described up concave type longeron 33, recessed section of top arranges circular orbit 35.
Described crane span structure 2 comprises girder 21, end carriage 22, rail 23, and described girder 21 two ends are affixed with end carriage 22 respectively; Described girder 21 tops arrange rail 23.
On described girder 21, surface is lower than the upper surface 300~500mm of end carriage 22.
The horizontal wheel of described top dolly 4 is arranged at circular orbit 35 inner sides of bottom dolly 3.
The rotating mechanism retarder of described top dolly 4 is arranged at circular orbit 35 inner sides of bottom dolly 3.
principle of work of the present invention and working process:
The present invention adopts bottom dolly up concave type structure or girder up concave type structure, by the recessed mode of central authorities, realizes the portion's rotation within it of top dolly, and bottom dolly can move on crane track simultaneously; Top dolly adopts wheel with built-in group structure, and the retarder of its rotating mechanism is installed on the inner side of circular orbit, has reduced the usable height of top dolly rotating part, and the height H value of top dolly reduces; The girder of crane span structure adopts up concave type structure, can reduce the height of crane span structure.The employing of above structure, has reduced the complete machine height of hoisting crane, makes the hoisting crane can be for the little occasion of clear space of plant height; In the situation that the clear headroom of factory building is little, without factory building is transformed, reduced the investment of renovation of production process, shortened the transformation cycle, increased the economic benefit of enterprise.

Claims (10)

1. a upper rotary crane that is applicable to low clearance height factory building, comprise traveling mechanism of the larger traveller (1), crane span structure (2), bottom dolly (3), top dolly (4), electrical equipment (5), the end carriage (22) of described crane span structure (2) locates to arrange traveling mechanism of the larger traveller (1); Girder (21) top of described crane span structure (2) arranges bottom dolly (3); Described electrical equipment (5) is arranged on crane span structure (2); It is characterized in that: described bottom dolly (3) adopts middle part up concave type structure; Described bottom dolly (3) top arranges top dolly (4); Girder (21) upper surface of described crane span structure (2) is lower than the upper surface of end carriage (22).
2. the upper rotary crane that is applicable to low clearance height factory building according to claim 1, is characterized in that: described bottom dolly (3) comprises bottom wheeling mechanism (31), crossbeam I (32), up concave type longeron (33), crossbeam II (34), circular orbit (35); Described crossbeam I (32) end arranges bottom wheeling mechanism (31); Described crossbeam I (32) is affixed with up concave type longeron (33); Recessed section between (33) two of described up concave type longerons arranges crossbeam II (34); Described up concave type longeron (33), crossbeam II (34) top arrange circular orbit (35).
3. the upper rotary crane that is applicable to low clearance height factory building according to claim 1 and 2, is characterized in that: described circular orbit (35) is a single piece or forms by several sections.
4. the upper rotary crane that is applicable to low clearance height factory building according to claim 1 and 2, is characterized in that: described circular orbit (35) upper surface is inclined-plane, and inner side is high, and outside is low, and its gradient is consistent with the wheel face gradient of top dolly (4).
5. the upper rotary crane that is applicable to low clearance height factory building according to claim 1 and 2, is characterized in that: between described circular orbit (35) and up concave type longeron (33), crossbeam II (34), bolt is connected.
6. the upper rotary crane that is applicable to low clearance height factory building according to claim 1 and 2, is characterized in that: under described up concave type longeron (33), recessed section of top arranges circular orbit (35).
7. the upper rotary crane that is applicable to low clearance height factory building according to claim 1, it is characterized in that: described crane span structure (2) comprises girder (21), end carriage (22), rail (23), described girder (21) two ends are affixed with end carriage (22) respectively; Described girder (21) top arranges rail (23).
8. according to the upper rotary crane that is applicable to low clearance height factory building described in claim 1 or 7, it is characterized in that: on described girder (21), surface is lower than the upper surface 300~500mm of end carriage (22).
9. the upper rotary crane that is applicable to low clearance height factory building according to claim 1, is characterized in that: the horizontal wheel of described top dolly (4) is arranged at circular orbit (35) inner side of bottom dolly (3).
10. the upper rotary crane that is applicable to low clearance height factory building according to claim 1, is characterized in that: the rotating mechanism retarder of described top dolly (4) is arranged at circular orbit (35) inner side of bottom dolly (3).
CN201410221110.0A 2014-05-23 2014-05-23 A kind of upper rotary crane being applicable to low clearance height factory building Active CN103964314B (en)

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CN103964314B CN103964314B (en) 2016-04-13

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201567157U (en) * 2008-12-20 2010-09-01 浙江众擎起重机械制造有限公司 Novel trolley with double beams
CN201567153U (en) * 2008-12-20 2010-09-01 浙江众擎起重机械制造有限公司 Novel crane girder structure
KR20100012521U (en) * 2009-06-09 2010-12-17 주식회사 유니빅 Crane for using in a clean room
CN202465102U (en) * 2012-02-21 2012-10-03 胡相兰 Double-trolley rotary electromagnetic overhead crane with carrier-beam
CN102756974A (en) * 2012-07-24 2012-10-31 太原重工股份有限公司 Rotation vehicle of crane
CN203903818U (en) * 2014-05-23 2014-10-29 云南昆钢重型装备制造集团有限公司 Up rotary crane suitable for factory building with low headroom

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201567157U (en) * 2008-12-20 2010-09-01 浙江众擎起重机械制造有限公司 Novel trolley with double beams
CN201567153U (en) * 2008-12-20 2010-09-01 浙江众擎起重机械制造有限公司 Novel crane girder structure
KR20100012521U (en) * 2009-06-09 2010-12-17 주식회사 유니빅 Crane for using in a clean room
CN202465102U (en) * 2012-02-21 2012-10-03 胡相兰 Double-trolley rotary electromagnetic overhead crane with carrier-beam
CN102756974A (en) * 2012-07-24 2012-10-31 太原重工股份有限公司 Rotation vehicle of crane
CN203903818U (en) * 2014-05-23 2014-10-29 云南昆钢重型装备制造集团有限公司 Up rotary crane suitable for factory building with low headroom

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