CN107651560A - A kind of crane girder device - Google Patents
A kind of crane girder device Download PDFInfo
- Publication number
- CN107651560A CN107651560A CN201711094728.5A CN201711094728A CN107651560A CN 107651560 A CN107651560 A CN 107651560A CN 201711094728 A CN201711094728 A CN 201711094728A CN 107651560 A CN107651560 A CN 107651560A
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- CN
- China
- Prior art keywords
- web
- steel plate
- supporting steel
- support beam
- crane girder
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 230000006978 adaptation Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
Abstract
The invention discloses a kind of crane girder device, it includes upper left web and right web, described left web and right web vertical are symmetrical arranged, upper cover plate is provided with above left web and right web, lower cover is provided with below left web and right web, described upper cover plate is provided with angle steel with being provided with angle steel, lower cover on the inside of left web, right web junction with the side in left web, right web junction；Crane girder length direction is provided with the arch-shaped supporting steel plate that multiple head and the tail are sequentially connected on described lower cover, supporting steel plate left side is fixedly connected with left web, fixed block is provided between the intrados of described supporting steel plate and lower cover upper surface, crane girder length direction is provided with support beam between the extrados of supporting steel plate and upper cover plate lower surface.The present invention reduces the dosage used material, reduce reinforcement of girder main support beam, so as to reduce production cost, mitigates girder weight by the setting of arch-shaped supporting steel plate.
Description
Technical field
The invention belongs to crane technical field, and in particular to a kind of crane girder device.
Background technology
Crane is that one kind uses extensive general class crane gear, and the kind equipment has simple in construction, reliable, owning amount
The characteristics of big；In the last few years, with the continuous progress of science and technology, the continuous improvement of designing technique, the design and system of crane are promoted
The means of making are obtained for rapid development.
The girder of crane is subject to the core position of weight, and its weight accounts for the 60% of crane gross weight, its structure it is reasonable
The quality of property and performance directly affects the service behaviour of crane, with crane towards maximization, lightweight, high efficiency side
To development, to crane girder requirement also more and more higher.
At present, all universal crane main beams in China particularly overhead crane, because the middle part of crane girder is lifting
The most weak position of main beam, in order to improve the intensity in the middle part of crane girder, crane girder is designed as by shaped steel or steel plate
The body structure that welding forms, and the crane girder of body structure is higher, trolley is arranged on crane girder top again,
Make the overall structure of crane girder higher；In addition, the strength and stiffness of crane depend mainly on girder section characteristic, to carry
High girder bearing capacity, first, enlarging section size, second, using quality material, thus considerably increasing the material of girder makes
Dosage or material cost, expend social resources.In general the appearance and size of universal crane is conditional how to reduce
On the premise of Liang Chong, intensity, the rigidity of universal crane main beam are improved, is long-standing technical barrier.
The content of the invention
It is an object of the invention to provide a kind of crane girder device, it is being met work compared with existing girder
On the premise of journey requirement, structure is more reasonable, less with material, mitigates girder weight with this, so as to mitigate crane weight,
Reduce production cost.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：A kind of crane girder device, it includes
Left web and right web, it is characterised in that：Described left web and right web vertical are symmetrical arranged, above left web and right web
Upper cover plate is provided with, lower cover, described upper cover plate and left web, right web junction are provided with below left web and right web
Inner side be provided with angle steel, lower cover is provided with angle steel with the side in left web, right web junction；Edge on described lower cover
Crane girder length direction is provided with the arch-shaped supporting steel plate that multiple head and the tail are sequentially connected, supporting steel plate left side and a left side
Web is fixedly connected, and fixed block is provided between the intrados of described supporting steel plate and lower cover upper surface, supporting steel plate
Crane girder length direction is provided with support beam, support beam upper surface and upper cover plate between extrados and upper cover plate lower surface
Lower surface is fixedly connected, and support beam lower surface is adapted with the arc of supporting steel plate, support beam lower surface and supporting steel plate outer arc
Face is fixedly connected, and described support beam width is less than supporting steel plate width, be vertically provided with left and right sides of support beam it is multiple successively
The wing plate at interval, wing plate upper surface are fixedly connected with upper cover plate lower surface, and wing plate lower surface is fixed with supporting steel plate extrados to be connected
Connect, upper cover plate upper surface is provided with track along crane girder length direction, and track is arranged on directly over support beam.
Fixed block, fixed block are provided between described supporting steel plate bottom intrados and lower cover upper surface.
Described support beam is set along supporting steel plate extrados center line.
Described support beam upper surface is welded and fixed with upper cover plate lower surface；Support beam lower surface and supporting steel plate extrados
It is welded and fixed.
Described wing plate upper surface is welded and fixed with upper cover plate lower surface；Welded with supporting steel plate extrados wing plate lower surface
It is fixed.
Described track width is no more than support beam width.
Described upper cover plate upper surface track is provided at both ends with baffle plate.
Hydraulic bjuffer is provided with described baffle plate medial surface.
Described crane girder front/rear end sets steel plate to seal.
Relative to prior art, beneficial effects of the present invention are：Crane main beam structure is meeting engineering requirement
Under the premise of, the size of each component is more excellent in crane main beam structure, by the setting of arch-shaped supporting steel plate, reduces the main branch of girder
That supports beam uses material, so as to mitigate girder weight, reduces girder production cost.
Brief description of the drawings
Fig. 1 is the sectional view of the present invention；
Fig. 2 is the right side cross-sectional view of the present invention；
Fig. 3 is the combining structure schematic diagram of the present invention.
2. hydraulic bjuffer, 3. upper cover plates, 4. baffle plates, 5. supporting steel plates, 6. wing plates, 7. fixed blocks, 8. angle steel, 9.
Track, 10. support beams, 11. left webs, 12. lower covers, 13. right webs.
Embodiment
Embodiment：As shown in Figures 1 to 3, a kind of crane girder device, it includes left web 11 and right web 13, described
Left web 11 and right web 13 be vertically symmetrical arranged, left web 11 and the top of right web 13 are provided with upper cover plate 3, left web 11
The right lower section of web 13 is provided with lower cover 12, described upper cover plate 3 and the inner side of left web 11, the junction of right web 13 are set
There is angle steel 8, lower cover 12 is provided with angle steel 8 with the side in left web 11, the junction of right web 13.Edge on described lower cover 12
Crane girder length direction is provided with the arch-shaped supporting steel plate 5 that multiple head and the tail are sequentially connected, the left side of supporting steel plate 5 with
Left web 11 is fixedly connected, and fixed block 7 is provided between the intrados of described supporting steel plate 5 and the upper surface of lower cover 12, this
In embodiment, fixed block 7 is provided between the intrados of the end of supporting steel plate 5 and the upper surface of lower cover 12, fixed block 7 strengthens
The connection of supporting steel plate 5 and lower cover 12, grows between the extrados of supporting steel plate 5 and the lower surface of upper cover plate 3 along crane girder
Degree direction is provided with support beam 10, and support beam 10 is set along the extrados center line of supporting steel plate 5, the upper surface of support beam 10 and upper cover plate
3 lower surfaces are fixedly connected, and the lower surface of support beam 10 is adapted with the arc of supporting steel plate 5, the lower surface of support beam 10 and supporting steel
The extrados of plate 5 is fixedly connected, and the described width of support beam 10 is less than the width of supporting steel plate 5, between the left and right sides of support beam 10 is vertical
Every being provided with multiple wing plates 6, the upper surface of wing plate 6 is fixedly connected with the lower surface of upper cover plate 3, outside the lower surface of wing plate 6 and supporting steel plate 5
Cambered surface is fixedly connected, and the upper surface of upper cover plate 3 is provided with track 9 along crane girder length direction, and track 9 is arranged on support beam 10
Surface, the width of track 9 are not more than the width of support beam 10, and the upper surface track 9 of upper cover plate 3 is provided at both ends with baffle plate 4, in baffle plate 4
It is provided with hydraulic bjuffer 2 on side, Double-bridge type crane is to include two symmetrically arranged crane girder devices and other
What corollary apparatus was combined into, two crane girder device collective effects support the dolly that top is set up.Hydraulic bjuffer 2
Set effective carriage walking set up on girder that slows down that steel is set to collision during 9 both ends of track to baffle plate 4, girder front/rear end
Plate seals.
By setting supporting steel plate 5 to reduce the material of support beam 10, supporting steel plate 5 utilizes arch-shaped Force principle, improves
The bearing capacity of crane girder, in crane loading weight, the stress of crane support beam 10, support beam 10 acts on supporting steel
The part of the force of vertical direction is changed into Horizontal Tension and acted on lower cover 12, power has been dispersed in by plate 5, supporting steel plate 5
In the overall structure of heavy-duty machine girder, make crane girder uniform force, keep the integral rigidity of crane girder, improve lifting
The bearing capacity of main beam, its strength and stiffness index are greatly improved；Crane girder is maintained in same equivalent-load energy
Under conditions of power is constant, materials'use amount and operation cost is greatly reduced, has reached energy-saving effect.
The present invention has low light structure, economic minimizing, simple installation, use cost, easy maintenance, cost low
Feature.
Claims (9)
1. a kind of crane girder device, it includes left web and right web, it is characterised in that：Described left web and right web
Vertically it is symmetrical arranged, upper cover plate is provided with above left web and right web, is provided with lower cover below left web and right web, institute
The upper cover plate stated with being provided with angle steel on the inside of left web, right web junction, lower cover with left web, right web junction
Side be provided with angle steel；Crane girder length direction is provided with the arch bridge that multiple head and the tail are sequentially connected on described lower cover
The supporting steel plate of shape, supporting steel plate left side are fixedly connected with left web, on the intrados and lower cover of described supporting steel plate
Fixed block is provided between end face, is set between the extrados of supporting steel plate and upper cover plate lower surface along crane girder length direction
Support beam is equipped with, support beam upper surface is fixedly connected with upper cover plate lower surface, support beam lower surface and the arc phase of supporting steel plate
Adaptation, support beam lower surface are fixedly connected with supporting steel plate extrados, and described support beam width is less than supporting steel plate width, branch
Multiple wing plates being spaced successively are vertically provided with left and right sides of support beam, wing plate upper surface is fixedly connected with upper cover plate lower surface, the wing
Plate lower surface is fixedly connected with supporting steel plate extrados, and upper cover plate upper surface is provided with track along crane girder length direction,
Track is arranged on directly over support beam.
A kind of 2. crane girder device according to claim 1, it is characterised in that：In described supporting steel plate bottom
Fixed block is provided between cambered surface and lower cover upper surface.
A kind of 3. crane girder device according to claim 1, it is characterised in that：Described support beam is along outside support beam
Cambered surface center line is set.
A kind of 4. crane girder device according to claim 1, it is characterised in that：Described support beam upper surface with it is upper
Cover plate lower surface is welded and fixed；Support beam lower surface is welded and fixed with supporting steel plate extrados.
A kind of 5. crane girder device according to claim 1, it is characterised in that：Described wing plate upper surface and upper lid
Plate lower surface is welded and fixed；Wing plate lower surface is welded and fixed with supporting steel plate extrados.
A kind of 6. crane girder device according to claim 1, it is characterised in that：Described track width is no more than branch
Support beam width.
A kind of 7. crane girder device according to claim 1, it is characterised in that：Described upper cover plate upper surface track
It is provided at both ends with baffle plate.
A kind of 8. crane girder device according to claim 7, it is characterised in that：Set on described baffle plate medial surface
There is hydraulic bjuffer.
A kind of 9. crane girder device according to claim 1, it is characterised in that：Described crane girder front and back end
Face sets steel plate to seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094728.5A CN107651560A (en) | 2017-11-09 | 2017-11-09 | A kind of crane girder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711094728.5A CN107651560A (en) | 2017-11-09 | 2017-11-09 | A kind of crane girder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107651560A true CN107651560A (en) | 2018-02-02 |
Family
ID=61120629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711094728.5A Pending CN107651560A (en) | 2017-11-09 | 2017-11-09 | A kind of crane girder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107651560A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204873489U (en) * | 2015-08-03 | 2015-12-16 | 河南省三马起重机械有限公司 | Large -scale bridge crane girder inner structure |
| CN105366540A (en) * | 2015-11-18 | 2016-03-02 | 德马科起重机械有限公司 | Crane main girder and crane employing main girder |
| CN205820712U (en) * | 2016-07-29 | 2016-12-21 | 河南省矿山起重机有限公司 | A kind of Main Box Beam in Bridge Crane structure |
| CN205855810U (en) * | 2016-07-29 | 2017-01-04 | 河南省矿山起重机有限公司 | A kind of bridging crane main beam structure |
| CN207375615U (en) * | 2017-11-09 | 2018-05-18 | 河南恒远恒山工业有限公司 | A kind of crane girder device |
-
2017
- 2017-11-09 CN CN201711094728.5A patent/CN107651560A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204873489U (en) * | 2015-08-03 | 2015-12-16 | 河南省三马起重机械有限公司 | Large -scale bridge crane girder inner structure |
| CN105366540A (en) * | 2015-11-18 | 2016-03-02 | 德马科起重机械有限公司 | Crane main girder and crane employing main girder |
| CN205820712U (en) * | 2016-07-29 | 2016-12-21 | 河南省矿山起重机有限公司 | A kind of Main Box Beam in Bridge Crane structure |
| CN205855810U (en) * | 2016-07-29 | 2017-01-04 | 河南省矿山起重机有限公司 | A kind of bridging crane main beam structure |
| CN207375615U (en) * | 2017-11-09 | 2018-05-18 | 河南恒远恒山工业有限公司 | A kind of crane girder device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180202 |
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| WD01 | Invention patent application deemed withdrawn after publication |