CN207375615U - A kind of crane girder device - Google Patents
A kind of crane girder device Download PDFInfo
- Publication number
- CN207375615U CN207375615U CN201721482294.1U CN201721482294U CN207375615U CN 207375615 U CN207375615 U CN 207375615U CN 201721482294 U CN201721482294 U CN 201721482294U CN 207375615 U CN207375615 U CN 207375615U
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- CN
- China
- Prior art keywords
- steel plate
- web
- crane girder
- supporting steel
- supporting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
Abstract
The utility model discloses a kind of crane girder devices, it includes upper left web and right web, the 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, the 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 sequentially connected arch-shaped supporting steel plate of multiple head and the tail on the lower cover, supporting steel plate left side is fixedly connected with left web, fixed block is provided between the intrados of the supporting steel plate and lower cover upper surface, crane girder length direction is provided with supporting beam between the extrados of supporting steel plate and upper cover plate lower face.The utility model reduces the dosage used material, reduce reinforcing rib 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 utility model belongs to crane technical field, and in particular to a kind of crane girder device.
Background technology
Crane is a kind of using extensive general class lifting equipment, which has simple in structure, reliable, owning amount
The characteristics of big；In recent years, with the continuous progress of science and technology, the continuous improvement of designing technique, promote the design and system of crane
The means of making are obtained for rapid development.
The girder of crane is subject to the core position of weight, and weight accounts for the 60% of crane gross weight, structure it is reasonable
The quality of property and performance directly affects the working performance of crane, with crane towards enlargement, lightweight, high efficiency side
To development, crane girder is required also higher and higher.
At present, all universal crane main beams in China particularly overhead crane, since 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,
The overall structure for making crane girder is 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 is that 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.
Utility model content
The purpose of this utility model is to provide a kind of crane girder devices, make it compared with existing girder, full
On the premise of sufficient engineering requirement, structure is more reasonable, less with material, mitigates girder weight with this, so as to mitigate crane
Weight reduces production cost.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution：A kind of crane girder device, it
Including left web and right web, it is characterised in that：The left web and right web vertical are symmetrical arranged, left web and right web
Top is provided with upper cover plate, and lower cover is provided with below left web and right web, and the upper cover plate connects with left web, right web
Angle steel is provided on the inside of the place of connecing, lower cover is provided with angle steel with the side in left web, right web junction；The lower cover
On crane girder length direction is provided with the sequentially connected arch-shaped supporting steel plate of multiple head and the tail, supporting steel plate left side
It is fixedly connected with left web, fixed block, supporting steel is provided between the intrados of the supporting steel plate and lower cover upper surface
Crane girder length direction is provided with supporting beam between the extrados of plate and upper cover plate lower face, supporting beam upper surface with it is upper
Cover board lower face is fixedly connected, and supporting beam lower face is adapted with the arc of supporting steel plate, supporting beam lower face and supporting steel plate
Extrados is fixedly connected, and the support beam width is less than supporting steel plate width, is vertically provided at left and right sides of supporting beam multiple
The wing plate being spaced successively, wing plate upper surface are fixedly connected with upper cover plate lower face, and wing plate lower face is consolidated with supporting steel plate extrados
Fixed connection, upper cover plate upper surface are provided with track along crane girder length direction, and track is arranged on directly over supporting beam.
Fixed block, fixed block are provided between the supporting steel plate lower end intrados and lower cover upper surface.
The supporting beam is set along supporting steel plate extrados center line.
The supporting beam upper surface is welded and fixed with upper cover plate lower face；Supporting beam lower face and supporting steel plate extrados
It is welded and fixed.
The wing plate upper surface is welded and fixed with upper cover plate lower face；It is welded with supporting steel plate extrados wing plate lower face
It is fixed.
The track width is no more than support beam width.
The upper cover plate upper surface track is provided at both ends with baffle.
Hydraulic bjuffer is provided on the baffle medial surface.
The crane girder front/rear end sets steel plate to seal.
Compared with the prior art, the beneficial effects of the utility model are：Crane main beam structure meet engineering using will
On the premise of asking, the size of each component is more excellent in crane main beam structure, by the setting of arch-shaped supporting steel plate, reduces girder
Main support beam uses material, so as to mitigate girder weight, reduces girder production cost.
Description of the drawings
Fig. 1 is the sectional view of the utility model；
Fig. 2 is the right side cross-sectional view of the utility model；
Fig. 3 is the combining structure schematic diagram of the utility model.
2. hydraulic bjuffer, 3. upper cover plates, 4. baffles, 5. supporting steel plates, 6. wing plates, 7. fixed blocks, 8. angle steel, 9.
Track, 10. supporting beams, 11. left webs, 12. lower covers, 13. right webs.
Specific 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
Right 13 lower section of web is provided with lower cover 12, the upper cover plate 3 and the inside of left web 11,13 junction of right web are set
There is angle steel 8, lower cover 12 is provided with angle steel 8 with the side in left web 11,13 junction of right web.Edge on the lower cover 12
Crane girder length direction is provided with the sequentially connected arch-shaped supporting steel plate 5 of multiple head and the tail, 5 left side of supporting steel plate with
Left web 11 is fixedly connected, and fixed block 7 is provided between 12 upper surface of intrados and lower cover of the supporting steel plate 5, this
In embodiment, fixed block 7 is provided between 12 upper surface of intrados and lower cover of 5 end of supporting steel plate, fixed block 7 strengthens
The connection of supporting steel plate 5 and lower cover 12, it is long along crane girder between 3 lower face of extrados and upper cover plate of supporting steel plate 5
Degree direction is provided with supporting beam 10, and supporting beam 10 is set along 5 extrados center line of supporting steel plate, 10 upper surface of supporting beam and upper cover plate
3 lower faces are fixedly connected, and 10 lower face of supporting beam is adapted with the arc of supporting steel plate 5,10 lower face of supporting beam and supporting steel
5 extrados of plate is fixedly connected, and 10 width of supporting beam is less than 5 width of supporting steel plate, between 10 left and right sides of supporting beam is vertical
Every being provided with multiple wing plates 6,6 upper surface of wing plate is fixedly connected with 3 lower face of upper cover plate, outside 6 lower face of wing plate and supporting steel plate 5
Cambered surface is fixedly connected, and 3 upper surface of upper cover plate is provided with track 9 along crane girder length direction, and track 9 is arranged on supporting beam 10
Surface, 9 width of track are not more than 10 width of supporting beam, and 3 upper surface track 9 of upper cover plate is provided at both ends with baffle 4, in baffle 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 trolley that top is set up.Hydraulic bjuffer 2
It sets and effectively slows down the carriage walking that is set up on girder to the collision to baffle 4 during 9 both ends of track, girder front/rear end setting steel
Plate seals.
By the way that supporting steel plate 5 is set to reduce the material of supporting beam 10, supporting steel plate 5 utilizes arch-shaped Force principle, improves
The bearing capacity of crane girder, in crane loading weight, 10 stress of crane supporting beam, supporting 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 overall stiffness of crane girder, improve lifting
The bearing capacity of main beam, strength and stiffness index are greatly improved；Crane girder is maintained in carrying energy on an equal basis
Under conditions of power is constant, materials'use amount and operation cost is greatly reduced, has reached energy-saving effect.
The utility model has low light structure, economic minimizing, simple installation, use cost, easy maintenance, cost
The characteristics of low.
Claims (9)
1. a kind of crane girder device, it includes left web and right web, it is characterised in that：The left web and right web
It is vertical to be 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 in left web, right web junction
Side be provided with angle steel；Crane girder length direction is provided with the sequentially connected arch bridge of multiple head and the tail on the 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 the supporting steel plate
Fixed block is provided between end face, is set between the extrados of supporting steel plate and upper cover plate lower face along crane girder length direction
Supporting beam is equipped with, supporting beam upper surface is fixedly connected with upper cover plate lower face, supporting beam lower face and the arc phase of supporting steel plate
Adaptation, supporting beam lower face are fixedly connected with supporting steel plate extrados, and the support beam width is less than supporting steel plate width, branch
Multiple wing plates being spaced successively are vertically provided at left and right sides of support beam, wing plate upper surface is fixedly connected with upper cover plate lower face, the wing
Plate lower face 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 supporting beam.
2. a kind of crane girder device according to claim 1, it is characterised in that：In the supporting steel plate lower end
Fixed block is provided between cambered surface and lower cover upper surface.
3. a kind of crane girder device according to claim 1, it is characterised in that：The supporting beam is along outside supporting beam
Cambered surface center line is set.
4. a kind of crane girder device according to claim 1, it is characterised in that：The supporting beam upper surface with it is upper
Cover board lower face is welded and fixed；Supporting beam lower face is welded and fixed with supporting steel plate extrados.
5. a kind of crane girder device according to claim 1, it is characterised in that：The wing plate upper surface and upper cover
Plate lower face is welded and fixed；Wing plate lower face is welded and fixed with supporting steel plate extrados.
6. a kind of crane girder device according to claim 1, it is characterised in that：The track width is no more than branch
Support beam width.
7. a kind of crane girder device according to claim 1, it is characterised in that：The upper cover plate upper surface track
It is provided at both ends with baffle.
8. a kind of crane girder device according to claim 7, it is characterised in that：It is set on the baffle medial surface
There is hydraulic bjuffer.
9. a kind of crane girder device according to claim 1, it is characterised in that：The crane girder front and back end
Face sets steel plate to seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721482294.1U CN207375615U (en) | 2017-11-09 | 2017-11-09 | A kind of crane girder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721482294.1U CN207375615U (en) | 2017-11-09 | 2017-11-09 | A kind of crane girder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207375615U true CN207375615U (en) | 2018-05-18 |
Family
ID=62334918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721482294.1U Expired - Fee Related CN207375615U (en) | 2017-11-09 | 2017-11-09 | A kind of crane girder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207375615U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107651560A (en) * | 2017-11-09 | 2018-02-02 | 河南恒远恒山工业有限公司 | A kind of crane girder device |
-
2017
- 2017-11-09 CN CN201721482294.1U patent/CN207375615U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107651560A (en) * | 2017-11-09 | 2018-02-02 | 河南恒远恒山工业有限公司 | A kind of crane girder device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 Termination date: 20181109 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |