CN203079594U - Balance arm of tower crane and tower crane - Google Patents
Balance arm of tower crane and tower crane Download PDFInfo
- Publication number
- CN203079594U CN203079594U CN 201220612964 CN201220612964U CN203079594U CN 203079594 U CN203079594 U CN 203079594U CN 201220612964 CN201220612964 CN 201220612964 CN 201220612964 U CN201220612964 U CN 201220612964U CN 203079594 U CN203079594 U CN 203079594U
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- flange plate
- tower crane
- top flange
- equilibrium arm
- bottom wing
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Abstract
The utility model discloses a balance arm of a tower crane and the tower crane. Each main beam comprises a top flange plate (1), a web plate (2), a bottom flange plate (3) and one or more lug plates (4), wherein each web plate (2) is arranged between each top flange plate (1) and each bottom flange plate (3); the upper end and the lower end of each web plate are respectively and fixedly connected with each top flange plate (1) and each bottom flange plate (3); one or more lug plates (4) are arranged at one end of each main beam and are fixedly connected with each top flange plate (1) and each bottom flange plate (3); two pin holes are formed in each lug plate (4) of one or more lug plates (4); and each lug plate (4) of one or more lug plates (4) is connected with an upper support seat of the tower crane by a pin shaft. According to the balance arm of the tower crane and the tower crane, the main beam of the balance arm has a connection structure of H-shaped steel, so that a balance arm structure with narrow structural space and strong bearing concentrated load capability can be formed.
Description
Technical field
The utility model relates to technical field of engineering machinery, relates in particular to a kind of equilibrium arm and tower crane of tower crane.
Background technology
Tower crane causes the also corresponding increase of scantling of structure because lifting performance increases now.In many members of tower crane, the effect of equilibrium arm mainly is for crane arm provides opposing torque, thereby guarantees the balance of body in the lifting process, is one of important tower crane accessory, generally be connected with the main body or the upper bracket of tower crane, afterbody is equipped with counterbalanced weight and lifting mechanism.In the special version of movable arm type tower machine, on short equilibrium arm structure, need to place many parts and a large amount of balance weights, so require special high to the intensity of the main structure of equilibrium arm, rigidity, stability etc.
In existing design, shown in Figure 1A and Figure 1B, Figure 1A is a front view, and Figure 1B is a left view.The space truss structures connection that equilibrium arm great majority are welded for shaped steel, this structure type of attachment be use on the tower crane very general form.General this structure be with four bigger section bars as main chord, then the four sides burn-on less section bar as web member, the connection otic placode of burn-oning on main chord at last is connected on the agent structure of tower machine.This space truss connection structure in general, it is general to use very on cat head formula tower machine and cab over type tower machine, and has version simple, produces advantages such as easy.
But this space truss connection structure is used in the equilibrium arm structure connection of large-scale movable arm type tower machine, and following technical disadvantages is arranged:
1. the connection structure space is too big.In large-scale movable arm type tower machine, because lifting performance is high especially, its scantling of structure itself is just bigger; But it is shorter during the Design of length of movable arm type tower machine version requirement equilibrium arm; The bulk of space truss connection structure is too big, can't satisfy movable arm type tower machine design-calculated theory, does not match with the complete machine structure of movable arm type tower machine.
2. it is indifferent to bear concentrated load.In large-scale movable arm type tower machine, because lifting performance is high especially, it is shorter to add equilibrium arm design-calculated length, need in limited space, place lifting mechanism, luffing mechanism, power system, also have tens even up to a hundred tons equilibrate counterweight, if be placed on the truss connection structure, need do truss structure greatly especially, if do to such an extent that too little just holding be can't stand so big load.
Therefore, do not satisfy tower crane for the short and small specific (special) requirements of equilibrium arm at this truss connection structure, and shortcoming such as the space that occupies of the connection structure substantive requirements of form of this truss is big especially, need a kind of later-model equilibrium arm structure of design.
Summary of the invention
In view of this, a technical matters to be solved in the utility model provides a kind of equilibrium arm of tower crane, makes equilibrium arm have the main beam structure of H type.
A kind of equilibrium arm of tower crane, described equilibrium arm comprises: 2 girders 11 that are oppositely arranged, 12 and be arranged on described 2 girders 11, between 12 and the connecting panel 13 of captiveing joint with described 2 girders, 14, it is characterized in that: described girder comprises: top flange plate 1, web 2, bottom wing listrium 3 and one or more otic placode 4; Described web 2 is arranged between described top flange plate 1 and the bottom wing listrium 3, and the upper and lower end of described web is captiveed joint with bottom wing listrium 3 with described top flange plate 1 respectively; Described one or more otic placode 4 all is arranged on an end of described girder, and all captives joint with bottom wing listrium 3 with described top flange plate 1; On each otic placode 4 in described one or more otic placodes 42 pin-and-holes are set all; Wherein, each otic placode 4 in described one or more otic placode 4 all is connected by bearing pin with the upper bracket of described tower crane.
According to an embodiment of equilibrium arm of the present utility model, further, the upper and lower end of described web 2 welds with described top flange plate 1 and bottom wing listrium 3 respectively.
According to an embodiment of equilibrium arm of the present utility model, further, described one or more otic placodes all weld with described top flange plate 1 and bottom wing listrium 3 respectively.
According to an embodiment of equilibrium arm of the present utility model, further, described girder comprises 2 described otic placodes.
According to an embodiment of equilibrium arm of the present utility model, further, stay bearing plate is set respectively in the both sides of described web; Wherein, described stay bearing plate is arranged between described top flange plate and the bottom wing listrium, and the upper and lower end of described stay bearing plate is captiveed joint with bottom wing listrium 3 with described top flange plate 1 respectively.
According to an embodiment of equilibrium arm of the present utility model, further, the upper and lower end of described stay bearing plate welds with described top flange plate 1 and bottom wing listrium 3 respectively.
According to an embodiment of equilibrium arm of the present utility model, further, the material of described top flange plate 1, web 2 and bottom wing listrium 3 all is a steel.
A kind of tower crane comprises the equilibrium arm of aforesaid tower crane.
The equilibrium arm of tower crane of the present utility model, the main beam structure of design balance arm are the connection structure of H or " worker " shaped steel, can form structure space little, bear the strong equilibrium arm structure of concentrated load ability.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Figure 1A and 1B are the scheme drawing of space truss formula equilibrium arm structure of the prior art;
Fig. 2 A and 2B are the scheme drawing according to an embodiment middle girder of the equilibrium arm of tower crane of the present utility model.
Fig. 3 A and 3B are the scheme drawing according to an embodiment of the equilibrium arm structure of tower crane of the present utility model.
The specific embodiment
With reference to the accompanying drawings the utility model is described more fully, exemplary embodiment of the present utility model wherein is described.Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.Below in conjunction with figure and embodiment the technical solution of the utility model is carried out many-sided description.
Fig. 2 A and 2B are the scheme drawing according to an embodiment middle girder of the equilibrium arm of tower crane of the present utility model.Wherein, Fig. 2 A is a front view, and Fig. 2 B is the partial schematic sectional view of birds-eye view.
Parallel 2 girders that are oppositely arranged of the equilibrium arm of tower crane and be arranged between 2 girders and the connecting panel of captiveing joint with 2 girders.Girder comprises: top flange plate 1, web 2, bottom wing listrium 3 and one or more otic placode 4.
According to an embodiment of the present utility model, can otic placode such as 1,2,3 be set according to the design needs, girder comprises otic placode 4 and otic placode 7, guarantees firm with being connected of the upper bracket of tower crane.Pin-and-hole 5 and pin-and-hole 6 all are set on each otic placode, the pin-and-hole of quantity such as 3 or 4 also can be set.
Each otic placode all is connected by bearing pin with the upper bracket of tower crane, the upper bracket of tower crane can be provided with draw-in groove or otic placode, and pin-and-hole all is set on draw-in groove or the otic placode, and the draw-in groove of upper bracket or otic placode match with the otic placode of equilibrium arm, connect by bearing pin.
According to an embodiment of the present utility model, top flange plate 1, web 2 and bottom wing listrium 3 are fixedly connected into the structure girder, then at captive joint otic placode 4 at one end, be connected on the agent structure like this with regard to the steel connection structure that to form a cross-sectional plane that structure space is little, load-carrying capacity is strong be the H type, and by bearing pin.
Because made the welded structure form of truss connection structure middle girder into connection structure form that H shaped steel is welded, the cross section of this H shaped steel can be designed bigger as required.The connection structure form of H shaped steel has directly reduced whole bulk, and can bear bigger load, for tower crane, and movable arm type tower machine especially, effect is good especially.
According to an embodiment of the present utility model, the upper and lower end of web 2 can adopt welding with top flange plate 1 with bottom wing listrium 3 respectively, mode such as rivet, be threaded is captiveed joint.
Each otic placode all adopts mode such as weld, rivet, be threaded to captive joint with top flange plate 1 and bottom wing listrium 3 respectively.
According to an embodiment of the present utility model, in the both sides of web 2 stay bearing plate 8 is set respectively, stay bearing plate 9.Both sides at web 2 can be provided with one or more stay bearing plates respectively.Stay bearing plate is arranged between top flange plate 1 and the bottom wing listrium 3, and the upper and lower end of stay bearing plate is captiveed joint with bottom wing listrium 3 with top flange plate 1 respectively, and mode is carried out captive joint can to adopt welding, rivet, be threaded etc.
According to an embodiment of the present utility model, the material of top flange plate 1, web 2, bottom wing listrium 3, otic placode all is steel, cast iron or the like.
Fig. 3 A and 3B are the scheme drawing according to an embodiment of the equilibrium arm of tower crane of the present utility model.Wherein, Fig. 3 A is a front view, and Fig. 3 B is the A-A section-drawing.
Equilibrium arm comprises the girder 11 that is oppositely arranged, girder 12 and be arranged on girder 11, between the girder 12 and with girder 11, the connecting panel 13 of girder 12 captive joints and connecting panel 14 form a kind of framed structure of equilibrium arm.
According to an embodiment of the present utility model, according to concrete design needs, equilibrium arm can comprise a plurality of girders, and the connecting devices such as connecting panel of one or more connection girders can be arranged.
The equilibrium arm of tower crane of the present utility model, the agent structure that agent structure is welded in less space can sustain huge load, guarantees the normal operation of tower machine complete machine.
The equilibrium arm of tower crane of the present utility model can increase according to swing arm tower machine lifting performance, increase under the situation of equilibrium arm structure space in little amplitude, design balance arm main structure is H(heavy in section or " worker " word) connection structure of shaped steel, reach the type of attachment that the bearing load ability does not increase too big structure space by force again.H shaped steel connection structure meets the special construction requirement of movable arm type tower machine, occupies less space and bears bigger load.
Tower machine heavy in section H shaped steel connection structure is welded into the structure girder by top flange plate, web and bottom wing listrium, connects otic placode then in welding, so just forms a H shaped steel connection structure that structure space is little, load-carrying capacity is strong.Following several advantage is arranged:
1. structure space is little.In large-scale movable arm type tower machine, because lifting performance is high especially, its scantling of structure itself is just bigger; But movable arm type tower machine version requires the bulk of equilibrium arm less, must bear bigger load again.Adopt H shaped steel connection structure heavy in section just in time to solve this problem, meet very much the special version of movable arm type tower machine, mate very much with complete machine structure.
2. it is strong to bear the concentrated load ability.H formed steel construction heavy in section is through calculating, load-carrying capacity is well a lot of with respect to truss structure, so bearing under the situation of same load, the bulk of H formed steel construction heavy in section is little more a lot of than the bulk of truss structure, and the heavy in section H formed steel construction that conversely is exactly same space scantling of structure size is stronger than the load-carrying capacity of truss structure.
Description of the present utility model provides for example with for the purpose of describing, and is not exhaustively or with the utility model to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present utility model and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment that have various modifications that the utility model design is suitable for special-purpose.
Claims (8)
1. the equilibrium arm of a tower crane, described equilibrium arm comprises: 2 girders (11,12) that are oppositely arranged and be arranged between described 2 girders (11,12) and the connecting panel (13,14) of captiveing joint with described 2 girders is characterized in that:
Described girder comprises: top flange plate (1), web (2), bottom wing listrium (3) and one or more otic placode (4); Described web (2) is arranged between described top flange plate (1) and the bottom wing listrium (3), and the upper and lower end of described web is captiveed joint with bottom wing listrium (3) with described top flange plate (1) respectively;
Described one or more otic placode (4) all is arranged on an end of described girder, and all captives joint with bottom wing listrium (3) with described top flange plate (1); On each otic placode (4) in described one or more otic placodes (4) 2 pin-and-holes are set all; Wherein, each otic placode (4) in described one or more otic placode (4) all is connected by bearing pin with the upper bracket of described tower crane.
2. equilibrium arm as claimed in claim 1 is characterized in that:
The upper and lower end of described web (2) welds with described top flange plate (1) and bottom wing listrium (3) respectively.
3. equilibrium arm as claimed in claim 1 is characterized in that:
Described one or more otic placode (4) all welds with described top flange plate (1) and bottom wing listrium (3) respectively.
4. equilibrium arm as claimed in claim 1 is characterized in that:
Described girder comprises 2 described otic placodes (4).
5. equilibrium arm as claimed in claim 1 is characterized in that:
In the both sides of described web (2) stay bearing plate (8,9) is set respectively;
Wherein, described stay bearing plate (8,9) is arranged between described top flange plate (1) and the bottom wing listrium (3), and the upper and lower end of described stay bearing plate (8,9) is captiveed joint with bottom wing listrium (3) with described top flange plate (1) respectively.
6. equilibrium arm as claimed in claim 5 is characterized in that:
The upper and lower end of described stay bearing plate (8,9) welds with described top flange plate (1) and bottom wing listrium (3) respectively.
7. equilibrium arm as claimed in claim 1 is characterized in that:
The material of described top flange plate (1), web (2) and bottom wing listrium (3) all is a steel.
8. tower crane is characterized in that:
Comprise equilibrium arm as any described tower crane of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220612964 CN203079594U (en) | 2012-11-19 | 2012-11-19 | Balance arm of tower crane and tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220612964 CN203079594U (en) | 2012-11-19 | 2012-11-19 | Balance arm of tower crane and tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203079594U true CN203079594U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220612964 Withdrawn - After Issue CN203079594U (en) | 2012-11-19 | 2012-11-19 | Balance arm of tower crane and tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203079594U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102942126A (en) * | 2012-11-19 | 2013-02-27 | 徐州重型机械有限公司 | Balance arm of tower-type crane and tower-type crane |
| CN104045008A (en) * | 2014-05-30 | 2014-09-17 | 中联重科股份有限公司 | Sectional type balance arm and tower crane |
| CN106629421A (en) * | 2016-12-19 | 2017-05-10 | 谢国贤 | Swing arm tower crane provided with integrated hoisting arm |
| CN106915699A (en) * | 2017-04-27 | 2017-07-04 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of architectural engineering tower crane with lock function |
| CN107381370A (en) * | 2017-09-19 | 2017-11-24 | 安徽骏达起重机械有限公司 | Multiple scalable boom cranes |
| CN107399679A (en) * | 2017-09-22 | 2017-11-28 | 张家港沙工科技服务有限公司 | A kind of high stability tower crane |
-
2012
- 2012-11-19 CN CN 201220612964 patent/CN203079594U/en not_active Withdrawn - After Issue
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102942126A (en) * | 2012-11-19 | 2013-02-27 | 徐州重型机械有限公司 | Balance arm of tower-type crane and tower-type crane |
| CN102942126B (en) * | 2012-11-19 | 2015-09-30 | 徐州重型机械有限公司 | A kind of equilibrium arm of tower crane and tower crane |
| CN104045008A (en) * | 2014-05-30 | 2014-09-17 | 中联重科股份有限公司 | Sectional type balance arm and tower crane |
| CN104045008B (en) * | 2014-05-30 | 2016-01-06 | 中联重科股份有限公司 | Sectional type balance arm and tower crane |
| CN106629421A (en) * | 2016-12-19 | 2017-05-10 | 谢国贤 | Swing arm tower crane provided with integrated hoisting arm |
| CN106915699A (en) * | 2017-04-27 | 2017-07-04 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of architectural engineering tower crane with lock function |
| CN107381370A (en) * | 2017-09-19 | 2017-11-24 | 安徽骏达起重机械有限公司 | Multiple scalable boom cranes |
| CN107399679A (en) * | 2017-09-22 | 2017-11-28 | 张家港沙工科技服务有限公司 | A kind of high stability tower crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130724 Effective date of abandoning: 20150930 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130724 Effective date of abandoning: 20150930 |
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| RGAV | Abandon patent right to avoid regrant |