CN203699682U - Crane - Google Patents
Crane Download PDFInfo
- Publication number
- CN203699682U CN203699682U CN201320833731.5U CN201320833731U CN203699682U CN 203699682 U CN203699682 U CN 203699682U CN 201320833731 U CN201320833731 U CN 201320833731U CN 203699682 U CN203699682 U CN 203699682U
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- China
- Prior art keywords
- girder
- sub
- wave webs
- webs
- hoisting crane
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- 210000004279 Orbit Anatomy 0.000 claims description 11
- 239000000725 suspension Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 10
- 238000005452 bending Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001681 protective Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a crane which comprises a travel car and a crane span structure, wherein the crane span structure comprises two spaced main beams and end beams arranged at two ends of the main beams respectively; each main beam comprises a first upper flange, a first lower flange and first wavy webs uniformly arranged between the first upper flange and the first lower flange; each end beam comprises a second upper flange, a second lower flange and a plurality of wavy webs uniformly arranged between the second upper flange and the second lower flange; travel car running rails are arranged at the top parts of the first upper flanges; the travel car is arranged on the travel car running rails; a lifting hook of the travel car moves up and down in a space between the two main beams; the first and second wavy webs are all wavy webs. Due to the wavy webs, the shear-resistant total cross section is effective, the shear-resistant bearing capacity of the cross section is increased, the relatively thin design can be realized, the material utilization rate is increased, the problem of easiness in local instability and deformation of a flat plate is solved, and the bearing performance of the crane is improved.
Description
Technical field
The utility model relates to hoisting device technical field, relates in particular to a kind of hoisting crane.
Background technology
Hoisting crane belongs to the one of elevator machinery, be a kind ofly circulate, the machinery of intermittent moment.A working cycle comprises: load-engaging device is mentioned article from getting thing, is then moved horizontally to appointed place and falls article, then carries out counter motion, makes load-engaging device reposition, to circulate next time.
Hoisting crane comprises girder and end carriage, and girder and end carriage are stress members, and at present, girder and end carriage are box beam and all adopt plate welding to form, and general slab-thickness is thicker, and the degree of utilization of material is lower, and local buckling's distortion easily occurs.
Therefore, how providing a kind of hoisting crane, to improve stock utilization and to overcome local buckling's distortion, is current those skilled in the art technical matterss urgently to be resolved hurrily.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of hoisting crane, to improve stock utilization and to overcome local buckling's distortion.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of hoisting crane, comprise walking dolly and crane span structure, described crane span structure comprises spaced two girders and is separately positioned on the end carriage at described girder two ends, described girder comprises the first top flange, the first lower flange and be arranged on described the first top flange and described the first lower flange between the first wave webs, described end carriage comprises the second top flange, the second lower flange and be arranged on described the second top flange and described the second lower flange between the second wave webs, the top of described the first top flange arranges walking dolly orbit, described walking dolly is arranged on described walking dolly orbit, the suspension hook of described walking dolly moves up and down the interval between described two girders.
Preferably, above-mentioned the first wave webs is two.
Preferably, above-mentioned girder comprises the first sub-girder, the second sub-girder and the 3rd sub-girder that are fixedly connected sequentially, the first wave webs spacing of described the first sub-girder and the first wave webs spacing of the 3rd sub-girder are less than the first wave webs spacing of described the second sub-girder, described the first sub-girder is inserted into one end of described the second sub-girder and fixes, and described the 3rd sub-girder is inserted into the other end of described the second sub-girder and fixes.
Preferably, above-mentioned the first sub-girder, described the second sub-girder and described the 3rd sub-girder are bolted to connection.
Preferably, the two ends of above-mentioned girder all arrange the first gusset piece, and described the first gusset piece is parallel with described the first top flange, on described the second top flange, are provided with the second gusset piece, and described the first gusset piece is fixedly connected with described the second gusset piece bolt.
Preferably, the transversal surface of above-mentioned the first wave webs and/or described the second wave webs is trapezoidal cross-section structure.
Preferably, the transversal surface of above-mentioned the first wave webs and/or described the second wave webs is sine curve or cosine curve section structure.
Preferably, the transversal surface of above-mentioned the first wave webs and/or described the second wave webs is retangular section structure.
Preferably, the transversal surface of above-mentioned the first wave webs and/or described the second wave webs is circular section structure.
Preferably, the transversal surface of above-mentioned the first wave webs and/or described the second wave webs is triangular section structure.
The hoisting crane that the utility model provides, comprise walking dolly and crane span structure, described crane span structure comprises spaced two girders and is separately positioned on the end carriage at described girder two ends, described girder comprises the first top flange, the first lower flange and be arranged on described the first top flange and described the first lower flange between the first wave webs, described end carriage comprises the second top flange, the second lower flange and be arranged on described the second top flange and described the second lower flange between the second wave webs, be welded to form girder and the end carriage of box beam structure, wherein, the first wave webs and described the second wave webs are wave webs, wave webs refers to its transversal surface and has bending, instead of plane, concrete can be trapezoidal cross-section structure, sine curve or cosine curve section structure, retangular section structure, circular section structure or triangular section structure etc., wave webs also can be called corrugated web, adopt wave webs can reach shearing resistance total cross-section effective, improve the shear resistant capacity in cross section, thereby can make thinner, from heavy and light, save raw MAT'L, improve stock utilization, and overcome the problem of dull and stereotyped easy local buckling distortion, and can improve load-bearing property, simultaneously, at the top of the first top flange, walking dolly orbit is set, walking dolly is arranged on described walking dolly orbit, the suspension hook of walking dolly moves up and down the interval between described two girders, walking dolly is mainly used in by the suspension hook of self weight of slinging, walking dolly orbit is arranged on to the top of the first top flange, girder and end carriage are by the weight of the weight that bears walking dolly and sling so, because the load-bearing property of girder and end carriage is improved, the load-bearing property of hoisting crane also can be improved so, and, the suspension hook of walking dolly moves up and down the interval between two girders, two girders will evenly be born weight so, balance is very good.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the girder that Fig. 1 provides for the utility model embodiment;
The side-looking structural representation that the girder that Fig. 2 provides for the utility model embodiment and end carriage are used in conjunction with;
Girder the first detailed description of the invention that Fig. 3 provides for the utility model embodiment overlook sectional structure schematic diagram;
Girder the second detailed description of the invention that Fig. 4 provides for the utility model embodiment overlook sectional structure schematic diagram;
The third detailed description of the invention of girder that Fig. 5 provides for the utility model embodiment overlook sectional structure schematic diagram;
The 4th kind of detailed description of the invention of girder that Fig. 6 provides for the utility model embodiment overlook sectional structure schematic diagram;
The 5th kind of detailed description of the invention of girder that Fig. 7 provides for the utility model embodiment overlook sectional structure schematic diagram;
The side-looking structural representation of the hoisting crane that Fig. 8 provides for the utility model embodiment.
In upper Fig. 1-8:
The first wave webs 1, the first sub-girder 11, the second sub-girder 12, the 3rd sub-girder 13, the first top flange 2, the first lower flange 3, girder 4, end carriage 5, the first joint plate 6, the second joint plate 7, walking dolly orbit 8, walking dolly 9, suspension hook 10.
Detailed description of the invention
The utility model embodiment provides a kind of hoisting crane, to improve stock utilization and to overcome local buckling's distortion.
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1-Fig. 8, the structural representation of the girder that Fig. 1 provides for the utility model embodiment; The side-looking structural representation that the girder that Fig. 2 provides for the utility model embodiment and end carriage are used in conjunction with; Girder the first detailed description of the invention that Fig. 3 provides for the utility model embodiment overlook sectional structure schematic diagram; Girder the second detailed description of the invention that Fig. 4 provides for the utility model embodiment overlook sectional structure schematic diagram; The third detailed description of the invention of girder that Fig. 5 provides for the utility model embodiment overlook sectional structure schematic diagram; The 4th kind of detailed description of the invention of girder that Fig. 6 provides for the utility model embodiment overlook sectional structure schematic diagram; The 5th kind of detailed description of the invention of girder that Fig. 7 provides for the utility model embodiment overlook sectional structure schematic diagram; The side-looking structural representation of the hoisting crane that Fig. 8 provides for the utility model embodiment.
The hoisting crane that the utility model embodiment provides, comprise walking dolly 9 and crane span structure, crane span structure comprises spaced two girders 4 and is separately positioned on the end carriage 5 at girder 4 two ends, girder 4 comprises the first top flange 2, the first lower flange 3 and be arranged on the first top flange 2 and the first lower flange 3 between the first wave webs 1, end carriage 5 comprises the second top flange, the second lower flange and be arranged on the second top flange and the second lower flange between the second wave webs, be welded to form girder 4 and the end carriage 5 of box beam structure, wherein, the first wave webs 1 and the second wave webs are wave webs, wave webs refers to its transversal surface and has bending, instead of plane, concrete can be trapezoidal cross-section structure, sine curve or cosine curve section structure, retangular section structure, circular section structure or triangular section structure etc., wave webs also can be called corrugated web, adopt wave webs can reach shearing resistance total cross-section effective, improve the shear resistant capacity in cross section, thereby can make thinner, from heavy and light, save raw MAT'L, improve stock utilization, and overcome the problem of dull and stereotyped easy local buckling distortion, and can improve load-bearing property, simultaneously, at the top of the first top flange 2, walking dolly orbit 8 is set, walking dolly 9 is arranged on walking dolly orbit 8, the suspension hook 10 of walking dolly 9 moves up and down the interval between two girders, walking dolly 9 is mainly used in by the suspension hook 10 of self weight of slinging, walking dolly orbit 8 is arranged on to the top of the first top flange 2, girder 4 and end carriage 5 are by the weight of the weight that bears walking dolly 9 and sling so, because the load-bearing property of girder 4 and end carriage 5 is improved, the load-bearing property of hoisting crane also can be improved so, and, the suspension hook 10 of walking dolly 9 moves up and down the interval between two girders, two girders will evenly be born weight so, balance is very good.
Meanwhile, can also be in the outside of the first top flange 2 or both sides guardrail is all set, while avoiding someone to walk, drop, walking dolly 9 is also had to protective effect simultaneously, drop after avoiding walking dolly 9 to overturn and pound pedestrian.
The hoisting crane that the utility model embodiment provides is that the web of girder 4 and end carriage 5 is all designed to wave-like.Compared with the flat web of wave webs and present use, there is higher horizontal rigidity and shear buckling intensity, and in the time that box beam height is higher, adopt corrugated web that the resistance to overturning of box beam is greatly improved.
By force analysis with calculate in the time reaching equal rigidity, shearing strength value, stability condition, adopt corrugated web can make the thickness reduction of web, can save material by actv..On hoisting crane, box beam is adopted to corrugated web according to this situation, to design optimization, save material, the weight that alleviates crane steel structure has practical significance.
And, can also in girder 4 and end carriage 5, add according to actual needs horizontal strengthening rib.
The first wave webs 1 and the second wave webs can be set to multiple, to strengthen structural strength, certainly, also can it be all two, for example two the first wave webs 1 can be separately positioned on the edge of the first top flange 2 and the first lower flange 3, form a box beam, can reduce cost of manufacture.
Wherein, girder 4 comprises the first sub-girder 11, the second sub-girder 12 and the 3rd sub-girder 13 that are fixedly connected sequentially, the first wave webs spacing of the first sub-girder 11 and the first wave webs spacing of the 3rd sub-girder 13 are less than the first wave webs spacing of the second sub-girder 12, the first sub-girder 11 is inserted into one end of the second sub-girder 12 and fixes, and the 3rd sub-girder 13 is inserted into the other end of the second sub-girder 12 and fixes.Realized the modularization assembling of girder 4, be convenient to execute-in-place and transport, the first sub-girder 11, the second sub-girder 12 and the 3rd sub-girder 13 can be bolted to connection, and are convenient to execute-in-place.
For the ease of being connected and fixed of girder 4 and end carriage 5, it is parallel with the first top flange 2 that the two ends of girder 4 all arrange the first gusset piece 6, the first gusset pieces 6, is provided with the second gusset piece 7, the first gusset pieces 6 and is fixedly connected with the second gusset piece 7 bolts on the second top flange.By the first gusset piece 6 and coordinating of the second gusset piece 7 girder 4 being sitting on end carriage 5, and can not destroy girder 4 and the original structure of end carriage 5, can not reduce both structural strengths own, and can strengthen to a certain extent its structural strength.
In the fixed form of girder 4 and end carriage 5 self, the first wave webs 1 and the first top flange 2 are welded and fixed, the first wave webs 1 and the first lower flange 3 are welded and fixed, fixing more firm stable, in addition, the first wave webs 1 and the first vertical setting in top flange 2, the setting vertical with lower flange 3 of the first wave webs 1, can strengthen to a certain extent structural strength, strengthen anti-shear ability, strengthen load-carrying capacity, the second top flange, the second lower flange and second wave webs of end carriage are with above-mentioned fixed form.
Wherein, the transversal surface of the first wave webs 1 and the second wave webs can be various wavy surfaces, it can be trapezoidal cross-section structure, as shown in Figure 3, the wedge angle of the bending part of trapezoidal cross-section structure can have arc transition, scratches operating personal, simultaneously while preventing from assembling, trapezoidal cross-section structure can be well-distributed, thereby further improves structural strength.
The transversal surface of the first wave webs 1 and the second wave webs can be also sine curve or cosine curve section structure, as shown in Figure 4, meanwhile, sine curve section structure or cosine curve section structure can be well-distributeds, thereby further improve structural strength.
The transversal surface of the first wave webs 1 and the second wave webs can be also retangular section structure, as shown in Figure 5, the wedge angle of the bending part of retangular section structure can have arc transition, while preventing from assembling, scratch operating personal, simultaneously, retangular section structure can be well-distributed, thereby further improves structural strength.
The transversal surface of the first wave webs 1 and the second wave webs can be also circular section structure, as shown in Figure 6, the circular arc of circular section structure can be to be less than or equal to circular arc half, simultaneously, circular section structure can be well-distributed, thereby further improves structural strength.
The transversal surface of the first wave webs 1 and the second wave webs is triangular section structure, as shown in Figure 7, the wedge angle of the bending part of triangular section structure can have arc transition, while preventing from assembling, scratch operating personal, simultaneously, triangular section structure can be well-distributed, thereby further improves structural strength.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a hoisting crane, it is characterized in that, comprise walking dolly (9) and crane span structure, described crane span structure comprises spaced two girders (4) and is separately positioned on the end carriage (5) at described girder (4) two ends, it is characterized in that, described girder (4) comprises the first top flange (2), the first lower flange (3) and be arranged on described the first top flange (2) and described the first lower flange (3) between the first wave webs (1), described end carriage (5) comprises the second top flange, the second lower flange and be arranged on described the second top flange and described the second lower flange between the second wave webs,
The top of described the first top flange (2) arranges walking dolly orbit (8), it is upper that described walking dolly (9) is arranged on described walking dolly orbit (8), and the suspension hook (10) of described walking dolly (9) moves up and down the interval between described two girders.
2. hoisting crane according to claim 1, is characterized in that, described the first wave webs (1) is two.
3. hoisting crane according to claim 2, it is characterized in that, described girder (4) comprises the first sub-girder (11) being fixedly connected sequentially, the second sub-girder (12) and the 3rd sub-girder (13), the first wave webs spacing of the first wave webs spacing of described the first sub-girder (11) and the 3rd sub-girder (13) is less than the first wave webs spacing of described the second sub-girder (12), described the first sub-girder (11) is inserted into one end of described the second sub-girder (12) and fixes, described the 3rd sub-girder (13) is inserted into the other end of described the second sub-girder (12) and fixes.
4. hoisting crane according to claim 3, is characterized in that, described the first sub-girder (11), described the second sub-girder (12) and described the 3rd sub-girder (13) are bolted to connection.
5. hoisting crane according to claim 1, it is characterized in that, the two ends of described girder (4) all arrange the first gusset piece (6), described the first gusset piece (6) is parallel with described the first top flange (2), on described the second top flange, be provided with the second gusset piece (7), described the first gusset piece (6) is fixedly connected with described the second gusset piece (7) bolt.
6. hoisting crane according to claim 1, is characterized in that, the transversal surface of described the first wave webs (1) and/or described the second wave webs is trapezoidal cross-section structure.
7. hoisting crane according to claim 1, is characterized in that, the transversal surface of described the first wave webs (1) and/or described the second wave webs is sine curve or cosine curve section structure.
8. hoisting crane according to claim 1, is characterized in that, the transversal surface of described the first wave webs (1) and/or described the second wave webs is retangular section structure.
9. hoisting crane according to claim 1, is characterized in that, the transversal surface of described the first wave webs (1) and/or described the second wave webs is circular section structure.
10. hoisting crane according to claim 1, is characterized in that, the transversal surface of described the first wave webs (1) and/or described the second wave webs is triangular section structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320833731.5U CN203699682U (en) | 2013-12-17 | 2013-12-17 | Crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320833731.5U CN203699682U (en) | 2013-12-17 | 2013-12-17 | Crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203699682U true CN203699682U (en) | 2014-07-09 |
Family
ID=51050150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320833731.5U Expired - Fee Related CN203699682U (en) | 2013-12-17 | 2013-12-17 | Crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203699682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540429A (en) * | 2016-01-28 | 2016-05-04 | 常州常矿起重机械有限公司 | Crane main beam and machining method thereof |
-
2013
- 2013-12-17 CN CN201320833731.5U patent/CN203699682U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105540429A (en) * | 2016-01-28 | 2016-05-04 | 常州常矿起重机械有限公司 | Crane main beam and machining method thereof |
| CN105540429B (en) * | 2016-01-28 | 2018-03-27 | 常州常矿起重机械有限公司 | A kind of crane girder and its processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140709 Termination date: 20181217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |