CN204060029U - Be attached to the steel platform of the lifting gear of section - Google Patents
Be attached to the steel platform of the lifting gear of section Download PDFInfo
- Publication number
- CN204060029U CN204060029U CN201420458773.XU CN201420458773U CN204060029U CN 204060029 U CN204060029 U CN 204060029U CN 201420458773 U CN201420458773 U CN 201420458773U CN 204060029 U CN204060029 U CN 204060029U
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- Prior art keywords
- steel
- section
- attachment basis
- lifting gear
- girder steel
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 146
- 239000010959 steel Substances 0.000 title claims abstract description 146
- 239000003351 stiffener Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 2
- 244000046052 Phaseolus vulgaris Species 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a kind of steel platform being attached to the lifting gear of section, described lifting gear comprises the attachment basis being supported in section and the hoist being supported in described attachment basis, described steel platform comprises: supporting steel plate, be layed in the top on described attachment basis, and be fixedly connected with described attachment basis; Pre-embedded steel slab, is anchored in the top of described section; Main girder steel, be set up on described supporting steel plate and described pre-embedded steel slab, the bottom of described main girder steel is fixedly connected with described pre-embedded steel slab with described supporting steel plate; Secondary girder steel, is layed on described main girder steel, and is connected and fixed with described main girder steel; Landing slab, is layed on described girder steel, and is connected and fixed with described girder steel.Main steel girder erection is on attachment basis and section, and make attachment basis only bear vertical pressure, stress spreads transmission downwards successively, effectively solves the situation that connected node place produces stress rupture.
Description
Technical field
The utility model relates to building structure field, espespecially a kind of steel platform being attached to the lifting gear of section.
Background technology
Be attached in the lifting gear use of section, need to arrange walkway between section and lifting gear, facilitate the transport of people and goods.Steel platform is set between section and lifting gear, utilizes steel platform as walkway, because the vertical height of section is higher, require relative also higher for being connected firmly of steel platform, the safety in the use procedure of steel platform be guaranteed.Conventional girder steel and the process of steel column connected node generally take that the edge of a wing is welded, the bolted and welded connection of web bolt, adopt full welding node or pin-connected joint entirely, above-mentioned connected mode is all connected to the side of steel column for girder steel, if the girder steel of steel platform adopts aforesaid way to be connected with the attachment basis in lifting gear, not only can produce pressure to attachment basis and also can produce moment of flexure, easily produce following destruction at connected node place: lower flange of girder edge and post edge of a wing weld, weld seam and the post edge of a wing disconnect completely; Fracture, from liner plate and post intersection, is then expanded to post edge of a wing mother metal, a part of post edge of a wing mother metal of then tearing; Weld-fusion line place lower flange of girder marginal slit leads to; Ftractureing in the post edge of a wing, even expands in the web of post.The main cause that above-mentioned bean column node connecting portion failure mode occurs is: the 1) defect of weld seam existence, as crack, owe weldering, not enough or bad, the slag inclusion of fusing and pore, because web plate bottom flange place fabrication hole is less than normal, in fact bottom flange weld seam is interrupted when welding; 2) there is three-dimensional stress in the steel of connecting portion, cannot form side direction and shrink or shearing slip, so that not have just brittle fracture to occur under obvious yield phenomenon; 3) region of high stress of bean column node concentrates on the groove weld place of flange of beam; 4) the welding liner plate emargintion effect of weld in beam flange---the liner plate needed for welding procedure and the tip place of " manually stitching " formed between the post edge of a wing produce stress and concentrate 5) partially thin etc. at the I-shaped column stiffening rib thickness of flange of beam correspondence position.
The destruction at above-mentioned girder steel and steel column connected node place, causes the safety of structure of steel platform low, cannot meet the instructions for use of walkway.
Utility model content
The purpose of this utility model is the defect overcoming prior art, a kind of steel platform being attached to the lifting gear of section is provided, solve the failure mode that in prior art, girder steel and steel column connected node place exist, and the problem causing steel platform safety low.
The technical scheme realizing above-mentioned purpose is:
A kind of steel platform being attached to the lifting gear of section of the utility model, described lifting gear comprises the attachment basis being supported in section and the hoist being supported in described attachment basis, and described steel platform comprises:
Supporting steel plate, is layed in the top on described attachment basis, and is fixedly connected with described attachment basis;
Pre-embedded steel slab, is anchored in the top of described section;
Main girder steel, be set up on described supporting steel plate and described pre-embedded steel slab, the bottom of described main girder steel is fixedly connected with described pre-embedded steel slab with described supporting steel plate;
Secondary girder steel, is layed on described main girder steel, and is connected and fixed with described main girder steel;
Landing slab, is layed on described girder steel, and is connected and fixed with described girder steel.
Arrange steel platform at the top of section, be provided to the construction passage of hoist, main steel girder erection, on attachment basis and section, makes attachment basis only bear vertical pressure, provides the security and stability on attachment basis.Such method of attachment, makes stress spread transmission downwards successively, effectively solves the situation that connected node place produces stress rupture.
The further improvement that the utility model is attached to the steel platform of the lifting gear of section is, the top place surrounding outer wall on described attachment basis is provided with stiffening plate, is provided with multiple stiffener between described stiffening plate and described supporting steel plate.
The further improvement that the utility model is attached to the steel platform of the lifting gear of section is, is provided with split bolt between relative stiffening plate.
The further improvement that the utility model is attached to the steel platform of the lifting gear of section is, the bottom of described main girder steel and described supporting steel plate and described pre-embedded steel slab are welded and fixed.
Accompanying drawing explanation
Fig. 1 is the lateral view that the utility model is attached to the steel platform of the lifting gear of section;
Fig. 2 is that the utility model is attached in the steel platform of the lifting gear of section the top structure schematic diagram adhering to basis; And
Fig. 3 is that the utility model is attached in the steel platform of the lifting gear of section the top structure top view adhering to basis.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Consult Fig. 1, show the lateral view that the utility model is attached to the steel platform of the lifting gear of section.Need at the construction field (site) the top of hoist realization from section to be installed to bottom transporting material and constructor, but because section angle of inclination is large, and surface irregularity, installation foundation cannot be provided for hoist, adopt the attachment basis arranging and be supported in section, as installing the basis of hoist, hoist is attached to attachment basis, guarantees the firm and use safety of the installation of hoist.This attachment basis can be standard section of tower crane, the concrete structure of building or steel structural upright column etc., and adopt attached wall part to be connected and fixed between the king-post of hoist and attachment basis, this attached wall part is arranged at certain intervals, effectively ensure that the steadiness of king-post.In addition, for convenience of the use of hoist, steel platform is set between the top and the top of section on attachment basis, forms walkway, for constructor and material etc. provide transport convenient.The steel platform below in conjunction with accompanying drawing, the utility model being attached to the lifting gear of section is described.
Consult Fig. 1, show the lateral view that the utility model is attached to the steel platform of the lifting gear of section.The steel platform below in conjunction with Fig. 1, the utility model being attached to the lifting gear of section is described.
As shown in Figure 1, the utility model is attached to the steel platform of the lifting gear of section, be set up in the top of section and lifting gear, for lifting gear provides walkway, this lifting gear being attached to section is for being attached to section 10 by hoist 30, this section 10 is declivity in the present embodiment, and the angle of inclination of this declivity is comparatively large, and between the top and bottom of this declivity, horizontal range reaches 21 meters.The lifting gear being attached to section comprises attachment basis 20 and hoist 30, attachment basis 20 be erected on section 10 sidepiece and and section 10 between support and connection, the elevator 302 that hoist 30 comprises king-post 301 and moves up and down along king-post 301, king-post 301 is erected on the sidepiece on attachment basis 20 and and adheres to support and connection between basis 20.Attachment basis 20 and king-post 301 are located on the ground 60 of the bottom of section 10, and in ground 60, place is provided with foundation structure 50, is provided with anchor pole 501 between this foundation structure 50 and ground 60.Support and connection are realized by wall-attaching equipment 206 between attachment basis 20 and section 10.
Steel platform 40 is set up in attachment basis 20 and the top of section 10, steel platform 40 act as walkway, by the transport of materials on section top on the elevator 302 of hoist 30.Shown in composition graphs 2, this steel platform 40 comprises supporting steel plate 202, pre-embedded steel slab, main girder steel 203, secondary girder steel and landing slab, and supporting steel plate 202 is layed in the top on attachment basis 20 and is fixedly connected with attachment basis 20; Pre-embedded steel slab is anchored in the top of section 10, is provided with retaining wall at the top of section 10, is anchored in retaining wall when arranging retaining wall by pre-embedded steel slab, reserves certain length for steel supporting platform 40; Main girder steel 203 is set up on supporting steel plate 203 and pre-embedded steel slab, fits on supporting steel plate 203 and pre-embedded steel slab, be welded and fixed respectively in junction bottom main girder steel 203.Secondary girder steel is layed on main girder steel 203, and is welded and fixed between main girder steel 203, and landing slab is layed on time girder steel, and is provided with the steel angle stiffening rib between secondary girder steel, then by being welded and fixed.
As shown in Figures 2 and 3, the surrounding outer wall at the top place on attachment basis 20 is provided with stiffening plate 201, this stiffening plate 201 is welded on attachment basis 20 by plug welding hole 2011, screw rod 2012 is provided with between corresponding stiffening plate 201, and be fastenedly connected by screw rod 2012, make the stiffening plate 201 of relative both sides clamp attachment basis 20.The top on attachment basis 20 is equipped with supporting steel plate 202, multiple stiffener 2013 is set between supporting steel plate 202 and stiffening plate 201, main girder steel 203 is set up on supporting steel plate 202, and be welded and fixed with supporting steel plate 202, this main girder steel 203 and the connected mode of adhering to basis 20, make 20, attachment basis bear vertical pressure, provide the security and stability on attachment basis.Such method of attachment, makes stress spread transmission downwards successively, effectively solves the situation that connected node place produces stress rupture.Shown in composition graphs 1, the top of section 10 is provided with retaining wall, in this retaining wall, arrange pre-embedded steel slab, main girder steel 203 is set up on supporting steel plate 202 and pre-embedded steel slab, and is welded and fixed with supporting steel plate 202 and pre-embedded steel slab respectively in the bottom of main girder steel 203.Time girder steel and landing slab formation steel platform 40 is laid again on main girder steel 203.
Main girder steel 203 and the connected mode of adhering to basis 20 and section 10, the connected mode of middle girder steel compared to existing technology, as edge of a wing welding or the bolted and welded connection of web bolt, the following defect that existing girder steel connected mode exists can be solved: girder steel not only produces pressure to attachment basis also can produce moment of flexure, and connected node place easily produces destruction, weld seam or solder joint easily disconnect, it is logical etc. to split, and there is the problems such as potential safety hazard.The utility model is ensure the security and stability in construction between hoist attachment basis 20 and main girder steel 203, main girder steel 203 adopts with attachment basis 20 connected mode overlapped, 20, attachment basis is made to bear vertical pressure, provide the safety and stability of attachment basis 20 and mounting structure entirety, take overlapping mode by the diffusion transmission of stress simultaneously, efficiently solve the stress rupture situation at connected node place.
Attachment basis 20 can be standard section of tower crane, the concrete structure of building or steel structural upright column, and in the present embodiment, preferably adopt standard section of tower crane, after construction terminates, this standard section of tower crane is for convenience detach, and also can continue to use.The king-post 301 of hoist 30 is provided with guide rail, and elevator 302 is installed on guide rail, moves up and down along guide rail.Moved downward the ground 60 of the bottom being transported to section 10 along king-post 301 by elevator 302.
The beneficial effect that the utility model is attached to the steel platform of the lifting gear of section is:
The top of attachment basis and section is located at by steel platform, uses, provide the passage from profile head to hoist as walkway, facilitates passing through of people and goods.This steel putting up platform is between attachment basis and the pre-embedded steel slab of section, weld with attachment basis and pre-embedded steel slab respectively, this mode set up, steel platform is made all only to produce pressure to attachment basis and pre-embedded steel slab, attachment basis is made only to bear pressure, improve the safety and stability on attachment basis, this pressure is transmitted by overlap joint diffusion simultaneously, reduces the stress rupture for pad.
Below embodiment has been described in detail the utility model by reference to the accompanying drawings, and those skilled in the art can make many variations example to the utility model according to the above description.Thus, some details in embodiment should not formed restriction of the present utility model, the utility model by the scope that defines using appended claims as protection domain of the present utility model.
Claims (4)
1. be attached to a steel platform for the lifting gear of section, described lifting gear comprises the attachment basis being supported in section and the hoist being supported in described attachment basis, and it is characterized in that, described steel platform comprises:
Supporting steel plate, is layed in the top on described attachment basis, and is fixedly connected with described attachment basis;
Pre-embedded steel slab, is anchored in the top of described section;
Main girder steel, be set up on described supporting steel plate and described pre-embedded steel slab, the bottom of described main girder steel is fixedly connected with described pre-embedded steel slab with described supporting steel plate;
Secondary girder steel, is layed on described main girder steel, and is connected and fixed with described main girder steel;
Landing slab, is layed on described girder steel, and is connected and fixed with described girder steel.
2. be attached to the steel platform of the lifting gear of section as claimed in claim 1, it is characterized in that, the top place surrounding outer wall on described attachment basis is provided with stiffening plate, is provided with multiple stiffener between described stiffening plate and described supporting steel plate.
3. be attached to the steel platform of the lifting gear of section as claimed in claim 1, it is characterized in that, between relative stiffening plate, be provided with split bolt.
4. the steel platform being attached to the lifting gear of section as described in any one of claims 1 to 3, is characterized in that, the bottom of described main girder steel and described supporting steel plate and described pre-embedded steel slab are welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458773.XU CN204060029U (en) | 2014-08-14 | 2014-08-14 | Be attached to the steel platform of the lifting gear of section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420458773.XU CN204060029U (en) | 2014-08-14 | 2014-08-14 | Be attached to the steel platform of the lifting gear of section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204060029U true CN204060029U (en) | 2014-12-31 |
Family
ID=52201571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420458773.XU Expired - Fee Related CN204060029U (en) | 2014-08-14 | 2014-08-14 | Be attached to the steel platform of the lifting gear of section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204060029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649358A (en) * | 2016-01-15 | 2016-06-08 | 国网山东省电力公司青岛供电公司 | Supporting platform component |
-
2014
- 2014-08-14 CN CN201420458773.XU patent/CN204060029U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105649358A (en) * | 2016-01-15 | 2016-06-08 | 国网山东省电力公司青岛供电公司 | Supporting platform component |
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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: 20141231 |