CN202108240U - Frame body bearing structure for external corner part of segmented-erection type scaffold - Google Patents
Frame body bearing structure for external corner part of segmented-erection type scaffold Download PDFInfo
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- CN202108240U CN202108240U CN 201120198805 CN201120198805U CN202108240U CN 202108240 U CN202108240 U CN 202108240U CN 201120198805 CN201120198805 CN 201120198805 CN 201120198805 U CN201120198805 U CN 201120198805U CN 202108240 U CN202108240 U CN 202108240U
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- external corner
- girder
- section steel
- bearing structure
- body bearing
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Abstract
The utility model discloses a frame body bearing structure for external corner part of a segmented-erection type scaffold of a building with a simply-supported structure. The frame body bearing structure overcomes the defects of stress concentration and irregular external appearance of the traditional cantilever structure, is economical and reasonable, and can ensure the safety of construction; and the scaffold has an attractive external appearance and is neat and uniform. The frame body bearing structure comprises three section steel beams and six cable-stayed steel wire ropes; the three section steel beams consist of a main beam (1), a left secondary beam (2) and a right secondary beam (3); the six cable-stayed steel wire ropes (4) are respectively arranged at external end parts of the three section steel beams, i.e. each section steel beam is provided with two cable-stayed steel wire ropes, one of the two cable-stayed steel wire ropes serves as a stress rope and the other one of the two cable-stayed steel wire ropes serves as a safety protecting rope; the main beam is arranged along an external corner bisector; and the left secondary beam and the right secondary beam are respectively arranged at the two sides of the main beam and respectively form an included angle of 45 DEG with the main beam, and the intersection of the main beam, the left secondary beam and the right secondary beam are welded to form an integer. The lengths of the left secondary beam and the right secondary beam of the section steel beams are same and the directions of the left secondary beam and the right secondary beam are horizontal; the lengths of parts of the section steel beams which are positioned outside a corner part of an external corner are same as those of the secondary beams; and the frame body bearing structure can be made by only arranging the section steel beams in parallel according to the calculated longitudinal distances of vertical rods of the scaffold.
Description
Technical field
The utility model relates to external corner rotation angle position scaffold support body bearing structure design in the external scaffolding structural system that segmentation is set up in a kind of high building project construction, relates in particular to builder's jack.
Background technology
In recent years, along with quickening of urbanization process, high-rise, super highrise building increases day by day, and builder's jack is used comparatively general under following three kinds of situation: 1. according to the programming arrangement, and the upper body structure of in the construction of pit backfill soil, need constructing; 2. be podium around the highrise building agent structure, scaffold can not directly support on the ground; 3. in the construction of super highrise building, the scaffold building height surpasses the permission scaffolding height, therefore scaffold is set up by allowing scaffolding height to be divided into plurality of sections, and every section scaffold is bearing in respectively on the section steel beam that depends on building floor and outside building, encorbelment.
Set up the important component of formula scaffold as segmentation, external corner position, scaffold bottom section steel beam is being born the important task of giving building structure whole Load Transfer of segmentation scaffold.Segmented is set up scaffold and generally is divided into four kinds of forms such as beam type, diagonal-bracing type, cable-stayed type and combined type.
The oblique roller cost is lower, shortcoming be wire rope as a kind of flexible material, bear load how many characteristics decisions of being difficult for confirming its have certain defective, generally preferentially do not adopt flexible materials such as maybe should not adopting wire rope as primary structure member during design; At some privileged sites; Like external corner place, the big position of cantilever end length,, consider under semi girder, to add shaped steel usually and support for improving the stability of cantilevered structure support unit; So; Can increase the shaped steel consumption undoubtedly, the extra tube material etc. that increased when applying horizontal restraint power strengthens the cost of setting up of scaffold.
Beam type because of its simple structure, set up conveniently, safety reliability is high is extensively adopted.This method is that section steel beam is put in the building outer edge by the design-calculated perpendicular spacing; The length that section steel beam stretches out the building outer edge satisfies the scaffold building requirement; The length that is anchored at interior of building is not less than 1.25 times of extension; The method that the binding of section steel beam and building floor is employed in embedded bar anchor ring in the floorslab concrete realizes, but shaped steel is long, consumption is big, cost is high.And this structure also has following defective:
When section steel beam was put perpendicular to the building outer edge, the cantilever steel girder anchoring section of rotation angle position both direction intersected vertically in floor, caused section steel beam stack here, and can't the arranged type girder steel on the corner miter angle bisector.For addressing this problem; During practice of construction; Often the section steel beam at position, bead angle is radial and puts,, produced new problem simultaneously: on the one hand though this layout has solved foregoing problems; The building external scaffolding is outer protective frame and the handling frame that is used for building operations, and its support body forms at building external corner position and crosses.Because the vertical rod of intersection's scaffold from the furthest of building, causes the stressed maximum of section steel beam of corner, and should be difficult for fixing by place's support body.On the other hand; Many section steel beam afterbodys of radial distribution are intersected in a place in floor; Because of the binding of every section steel beam and building floor all is employed in the method for pre-buried anchor ring in the floorslab concrete, thereby cause section steel beam intersection anchor ring a lot, floor stressed very concentrated.External scaffolding is set up with concrete structure construction synchronously; Therefore anchor ring is just stressed when floorslab concrete does not reach design strength; The floor slab structure of anchor ring scope very easily cracks, and serious possibly cause scaffold to topple or serious consequence such as building structure permanent damage.
Summary of the invention
The purpose of the utility model is to provide a kind of segmentation of freely supported structure to set up formula scaffold external corner position support body bearing structure, and the stress that overcomes existing cantilever beam structure is concentrated, the uneven defective of outward appearance.
The structure of the utility model is a freely supported structure; Comprise 3 section steel beams: girder, left auxiliary girder, right auxiliary girder and 6 oblique rollering steel silk ropes, promptly every section steel beam is provided with 2 oblique rollering steel silk ropes, and wire rope is arranged on the outer end of major and minor beam; Wherein one as primary structure member, and another root is restricted as safeguard protection.
Said girder is provided with along the external corner bisector, and left auxiliary girder and right auxiliary girder are separately positioned on the both sides of girder, and the angle with girder is 45 degree respectively, and three's intersection is welded into an integral body.
The inner of said girder is anchored on the cast-in-place member flooring with pre-buried anchor ring with place, nearly external corner sideline, and said left auxiliary girder and right auxiliary girder are anchored on the cast-in-place member flooring with pre-buried anchor ring with place, nearly external corner sideline in the inner of beam.
One end of said oblique rollering steel silk rope toggles in the anti-skidding nail place of fastening of section steel beam; Wire line thimble geometric pattern girder steel rearward end; Burst is with being no less than 4 U type clip chucking card jails; The other end toggles in the pre-buried round steel ring of the cast-in-place member in upper strata, and said wire rope tail end is folding partly with being no less than 4 U type clip chuckings.
Said anchor ring is made up of L type round steel member, pressing plate; Each is to being one group; Use in pairs, L type round steel member is vertically installed in the both sides of said section steel beam respectively, and its traversing section is pre-buried in the bottom of cast-in-situ beam slab member lower floor reinforcing bar; Vertically section band silk presses pressing plate also through double nut compact type girder steel.When the no-reinforcing-bar of pre-buried position, then take to increase the way of reinforcing rib.The quantity that is provided with of said anchor ring is that the end is provided with two groups at least, and place, nearly external corner sideline is provided with one group.
Said major and minor beam is at place, nearly external corner sideline, and its bottom is provided with non-slipping block, and said non-slipping block takes pre-buried mode to be fixed on the cast-in-place member flooring.Full weld one diameter is not less than 25 ㎜ and length is not less than anti-skidding the fasten nail of the HRB400 bar dowel of 100 ㎜ as wire rope in the stress point place of wire rope in the bottom of said major and minor beam; The upper end is provided with a place in the inside and outside vertical rod of scaffold and welds respectively that a diameter is not less than 25 ㎜ and length is not less than 150 ㎜ HRB400 bar dowels, is used for the location of scaffold upright rod.
One end of said oblique rollering steel silk rope toggles in the anti-skidding nail place of fastening of section steel beam; Wire line thimble geometric pattern girder steel rearward end; Burst is with being no less than 4 U type clip chucking card jails; The other end toggles in the pre-buried round steel ring of the cast-in-place member in upper strata, and said wire rope tail end is folding partly with being no less than 4 U type clip chuckings.
The advantage of the utility model is:
1, the utility model is restricted drawknot point as the fulcrum that carries girder steel with the oblique rollering steel silk of bearing type girder steel outer end; Reduced to carry the drift of girder steel; Dwindled the maximal bending moment absolute value of section steel beam; The model of under the constant situation of scaffold building height, carrying girder steel can correspondingly reduce, and has reduced the shaped steel consumption;
2, the utility model through a girder and two be distributed in the girder both sides and with girder 45
oThe corner that the auxiliary girder that intersects is formed scaffold external corner position carries system; Need not become the section steel beam of radial arrangement excessive through too much root; Promptly realized and being arranged in parallel of carrying girder steel beyond the corner; Help the regularly arranged of scaffold upright rod, need not vertical rod in the part scaffold that extra increase causes because of the shaped steel radial arrangement fall through need on the section steel beam of encorbelmenting, shelve, in order to the fall through transverse horizontal girder steel of vertical rod of support.The safety of building and scaffold has been protected in both economical rationality again, can also make the scaffold appearance looks elegant, and is uniform;
3, the utility model through a girder and two be distributed in the girder both sides and with girder 45
oThe corner that the auxiliary girder that intersects is formed scaffold external corner position carries system; Need not become the section steel beam of radial arrangement excessive through too much root; Many section steel beam anchored end that overcome radial distribution are intersected in the drawback at a place in floor; Avoid the concentrated stressed of section steel beam anchored end place floor, eliminated architecture quality, potential safety hazard;
4, the utility model through a girder and two be distributed in the girder both sides and with girder 45
oThe corner that the auxiliary girder that intersects is formed scaffold external corner position carries system, can realize standardization making, tool-type installation, to save human and material resources and time, meets resources conservation, eco-friendly green construction requirement.
Description of drawings
Fig. 1 is the vertical view of the utility model assembling sketch map.
Fig. 2 is the A-A sectional view of the utility model.
Fig. 3 is the B-B sectional view of the utility model.
Fig. 4 is that the anchor ring of the utility model is made sketch map.
Fig. 5 arranges sketch map for existing external corner position section steel beam.
The specific embodiment
The specific embodiment of the utility model is as shown in Figure 1, and scaffold external corner position support body bearing structure comprises 3 section steel beams: girder 1, left auxiliary girder 2, right auxiliary girder 3 and 6 oblique rollering steel silk ropes 4.Wire rope 4 is separately positioned on the outer end of each beam, and promptly every section steel beam is provided with 2 oblique rollering steel silks ropes, and wherein one as primary structure member, and another root is restricted as safeguard protection.Girder 1 is provided with along the external corner bisector, and left auxiliary girder 2 and right auxiliary girder 3 are separately positioned on the both sides of girder, and the angle with girder is 45 degree respectively, and three's intersection is welded into an integral body.
Like Fig. 2, shown in Figure 3, the inner of girder 1 is anchored on the cast-in-place member flooring with pre-buried anchor ring 5 with place, nearly external corner sideline, and left auxiliary girder 2 is anchored on the cast-in-place member flooring with pre-buried anchor ring 5 at place, nearly external corner sideline with right auxiliary girder 3.Major and minor beam is at place, nearly external corner sideline, and its bottom is provided with non-slipping block 6, takes pre-buried mode to be fixed on the cast-in-place member flooring.Bottom full weld one diameter of major and minor beam is not less than 25 ㎜; Length is not less than the anti-skidding peg 41 of the HRB400 bar dowel of 100 ㎜ as wire rope 4; Upper end portion welds a diameter and is not less than 25 ㎜ length and is not less than 150 ㎜ HRB400 bar dowels, is used for the location of scaffold upright rod.One end of oblique rollering steel silk rope 4 toggles in the anti-skidding peg of section steel beam 41 places; Wire line thimble geometric pattern girder steel rearward end; Burst is with being no less than 4 U type clip chucking card jails; The other end toggles in the pre-buried round steel ring 42 of the cast-in-place member in upper strata, and wire rope 4 tail ends are folding partly with being no less than 4 U type clip chuckings.
As shown in Figure 4; Anchor ring 5 is made up of L type round steel member 51, pressing plate 52, and each uses being one group in pairs; L type round steel member 51 is vertically installed in the both sides of section steel beam respectively; Its traversing section is pre-buried in the bottom of cast-in-situ beam slab member lower floor reinforcing bar, and vertically section band silk presses pressing plate 52 also through double nut compact type girder steel.When the no-reinforcing-bar of pre-buried position, then take to increase the way of reinforcing rib.The quantity that is provided with of anchor ring 5 is end at least two groups, and place, nearly external corner sideline uses one group.
Claims (8)
1. formula scaffold external corner position support body bearing structure is set up in a segmentation; It is characterized in that: this structure is a freely supported structure; Comprise 3 section steel beams and 6 oblique rollering steel silk ropes, 3 section steel beams comprise: girder (1), left auxiliary girder (2), right auxiliary girder (3), and girder (1) is provided with along the external corner bisector; Said left auxiliary girder (2) and right auxiliary girder (3) are separately positioned on the both sides of girder (1), and three's intersection is welded into an integral body; 6 oblique rollering steel silks rope (4) is separately positioned on 3 section steel beam outer ends, and every section steel beam is provided with 2 oblique rollering steel silks ropes, and wherein one as bearer cable, and another root is restricted as safeguard protection.
2. formula scaffold external corner position support body bearing structure is set up in segmentation as claimed in claim 1, it is characterized in that: said left auxiliary girder (2) and right auxiliary girder (3) are 45 degree with the angle of girder (1) respectively.
3. formula scaffold external corner position support body bearing structure is set up in segmentation as claimed in claim 1; It is characterized in that: the inner of said girder (1) is anchored on the cast-in-place member flooring with pre-buried anchor ring (5) with place, nearly external corner sideline, and said left auxiliary girder (2) and right auxiliary girder (3) are anchored on the cast-in-place member flooring with pre-buried anchor ring (5) at place, nearly external corner sideline.
4. formula scaffold external corner position support body bearing structure is set up in segmentation as claimed in claim 3; It is characterized in that: said anchor ring (5) is made up of L type round steel member (51), pressing plate (52), and each uses being one group in pairs; L type round steel member (51) is vertically installed in the both sides of said section steel beam respectively; Its traversing section is pre-buried in the bottom of cast-in-situ beam slab member lower floor reinforcing bar, and vertically section band silk presses pressing plate (52) also through double nut compact type girder steel; When the no-reinforcing-bar of pre-buried position, then take to increase the way of reinforcing rib.
5. formula scaffold external corner position support body bearing structure is set up in segmentation as claimed in claim 3, it is characterized in that: the quantity that is provided with of said anchor ring (5) is end at least two groups, and place, nearly external corner sideline uses one group.
6. formula scaffold external corner position support body bearing structure is set up in segmentation as claimed in claim 1; It is characterized in that: said major and minor beam is at place, nearly external corner sideline; Its bottom is provided with non-slipping block (6), and said non-slipping block (6) takes pre-buried mode to be fixed on the cast-in-place member flooring.
7. formula scaffold external corner position support body bearing structure is set up in segmentation as claimed in claim 1; It is characterized in that: full weld one diameter is not less than 25 ㎜ and length is not less than the anti-skidding peg (41) of the HRB400 bar dowel of 100 ㎜ as wire rope (4) in the stress point place of wire rope (4) in the bottom of said major and minor beam; The upper end is provided with a place in the inside and outside vertical rod of scaffold and welds respectively that a diameter is not less than 25 ㎜ and length is not less than 150 ㎜ HRB400 bar dowels, is used for the location of scaffold upright rod.
8. formula scaffold external corner position support body bearing structure is set up in segmentation as claimed in claim 1; It is characterized in that: an end of said oblique rollering steel silk rope (4) toggles in the anti-skidding peg of section steel beam (41) to be located; Wire line thimble geometric pattern girder steel rearward end; Burst is with being no less than 4 U type clip chucking card jails, and the other end toggles in the pre-buried round steel ring of the cast-in-place member in upper strata (42), and said wire rope (4) tail end is folding partly with being no less than 4 U type clip chuckings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120198805 CN202108240U (en) | 2011-06-14 | 2011-06-14 | Frame body bearing structure for external corner part of segmented-erection type scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120198805 CN202108240U (en) | 2011-06-14 | 2011-06-14 | Frame body bearing structure for external corner part of segmented-erection type scaffold |
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| Publication Number | Publication Date |
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| CN202108240U true CN202108240U (en) | 2012-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120198805 Expired - Fee Related CN202108240U (en) | 2011-06-14 | 2011-06-14 | Frame body bearing structure for external corner part of segmented-erection type scaffold |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296798A (en) * | 2011-06-14 | 2011-12-28 | 中国建筑第五工程局有限公司 | Bracket bearing structure at external corner part of segmented erection type scaffold |
| CN104422655A (en) * | 2013-09-02 | 2015-03-18 | 江苏肯帝亚木业有限公司 | Composite floor adhesive force testing device |
| CN106436890A (en) * | 2016-08-30 | 2017-02-22 | 江苏嘉洋华联建筑装饰股份有限公司 | Temporary transfer story arranged on floor |
| CN106567532A (en) * | 2016-10-14 | 2017-04-19 | 上海二十冶建设有限公司 | Cantilever scaffold steel anchoring end fixing device |
| CN109958273A (en) * | 2019-03-26 | 2019-07-02 | 中国五冶集团有限公司 | Corner cantilevered structure |
| CN110778102A (en) * | 2019-11-22 | 2020-02-11 | 上海宝冶集团有限公司 | Overhanging scaffold upright rod with anti-skid device and use method thereof |
-
2011
- 2011-06-14 CN CN 201120198805 patent/CN202108240U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102296798A (en) * | 2011-06-14 | 2011-12-28 | 中国建筑第五工程局有限公司 | Bracket bearing structure at external corner part of segmented erection type scaffold |
| CN104422655A (en) * | 2013-09-02 | 2015-03-18 | 江苏肯帝亚木业有限公司 | Composite floor adhesive force testing device |
| CN106436890A (en) * | 2016-08-30 | 2017-02-22 | 江苏嘉洋华联建筑装饰股份有限公司 | Temporary transfer story arranged on floor |
| CN106436890B (en) * | 2016-08-30 | 2019-01-22 | 江苏嘉洋华联建筑装饰股份有限公司 | A kind of interim conversion layer being arranged on flooring |
| CN106567532A (en) * | 2016-10-14 | 2017-04-19 | 上海二十冶建设有限公司 | Cantilever scaffold steel anchoring end fixing device |
| CN106567532B (en) * | 2016-10-14 | 2018-08-21 | 上海二十冶建设有限公司 | Builder's jack shaped steel anchored end fixing device |
| CN109958273A (en) * | 2019-03-26 | 2019-07-02 | 中国五冶集团有限公司 | Corner cantilevered structure |
| CN110778102A (en) * | 2019-11-22 | 2020-02-11 | 上海宝冶集团有限公司 | Overhanging scaffold upright rod with anti-skid device and use method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 Termination date: 20160614 |