CN104533074B - A kind of universal nodes diagonal brace conveniently put on inside and outside bearing support - Google Patents
A kind of universal nodes diagonal brace conveniently put on inside and outside bearing support Download PDFInfo
- Publication number
- CN104533074B CN104533074B CN201410848225.2A CN201410848225A CN104533074B CN 104533074 B CN104533074 B CN 104533074B CN 201410848225 A CN201410848225 A CN 201410848225A CN 104533074 B CN104533074 B CN 104533074B
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- China
- Prior art keywords
- diagonal brace
- bearing support
- rod member
- node
- universal nodes
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Abstract
The invention discloses a kind of universal nodes diagonal brace conveniently put on inside and outside bearing support, four orthogonal rod members I it are provided with at described node, four described rod members I are located in the same horizontal plane or are positioned at same vertical plane, and are intersected in a perpendicular rod member II;This universal nodes diagonal brace includes four diagonal braces, half circle draw-in groove is fixed at the two ends of every described diagonal brace respectively, described semicircle draw-in groove is buckled in the side of corresponding described rod member I, and two described semicircle draw-in grooves being buckled in same described rod member I both sides respectively dock and use bolt to lock.The present invention can apply at arbitrary node at any time, strengthens bearing support connection stiffness, and then improves bearing support total bearing capacity.
Description
Technical field
The present invention relates to the diagonal brace of a kind of bearing support, refer more particularly to tunnel, bridge, building construction and decorations etc. right
The engineering that bearing support stability requirement is high, it is adaptable to the bearing supports such as existing bowl fastening type, fastener type, spigot-and-socket and mortise and tenon type
Engineering.
Background technology
Bearing support obtains wide sending out in building trade and applies, it is adaptable to all size type construction site.Including for operative
And the various supports that solution is vertically and horizontally transported and set up, it is simple that it has dismounting, and load-carrying properties are good, safe and reliable etc.
Feature.Nowadays have the bearing support system of various scale, the height that bearing support system is set up from several meters to tens meters,
The selectable size of vertical pole's span, step pitch also has a lot, as spacing has 0.6m, 0.9m, 1.2m and 1.5m etc., step pitch
There are 0.3m, 0.6m and 0.9m etc..Bearing support system has good bearing load performance, and various types of scaffolds are single
The bearing capacity 10KN-45KN of vertical rod.Bearing support is set up general process and is generally comprised following step: smooth location → pendulum
Put bar of sweeping the floor → by root place vertical rod and with bar of sweeping the floor buckle → install cross bar so far root vertical rod top → this root stand
Masthead portion connect vertical rod → add bridging → the like complete to bearing support system.Wherein bridging is one
Overall diagonal brace, and not a node diagonal brace.
Along with building industry and the development of decorations industry such as China's civil engineering, Tunnel Engineering, project scale is increasing,
Unconventional structure is increasing, the feature of these engineerings be construction area big, from great, highly big, make work progress
In the bearing support set up also present highly big, span is big and carries big feature, these are all design and the construction of bearing support
Have higher requirement.
In the last few years, scaffold Frequent Accidents, caving in of bearing support brought serious casualties and economic damage to country
Lose.In the past bearing support system accident and bearing support test obtains the reason that bearing support caves in and includes following several respects reason: the
On the one hand, it is incorrect that unit in charge of construction sets up, and there is phenomenon of using inferior materials and turning out substandard goods, part badly damaged component Reusability,
Branching bolster structure system is made not reach requirement for bearing capacity;Second aspect, the bearing capacity of bearing support component drops due to connection stiffness
Low causing total bearing capacity to reduce, the local failure of node or the local failure of many places node cause bearing support overall collapse;
The third aspect, during bearing support is set up and used, local nodes produces initial imperfection and there is no rigidity reinforcement timely.
Diagonal brace is the component that must apply in the construction of bearing support, and diagonal brace plays increase stability in the large and prevents local from losing
Steady function.Diagonal brace is both for bearing support system entirety at present, lacks the diagonal brace for node.And in bearing support
Portion's entirety diagonal brace can only apply during setting up, it is impossible to applies internal overall diagonal brace after setting up.And set up complete
Rear increase diagonal brace then can only apply at bearing support outer surface.There is presently no the set of joint that can apply at any time in arbitrfary point
Point diagonal brace.
Summary of the invention
The present invention solves technical problem present in known technology and provide a kind of conveniently put on inside and outside bearing support general
Node diagonal brace, this universal nodes diagonal brace can apply at arbitrary node at any time, strengthens bearing support connection stiffness, and then improves
Bearing support total bearing capacity.
The present invention solves that technical problem is adopted the technical scheme that present in known technology: one conveniently puts on
Universal nodes diagonal brace inside and outside bolster, is provided with four orthogonal rod members I, four described rod members I at described node
It is located in the same horizontal plane or is positioned at same vertical plane, and be intersected in a perpendicular rod member II;
This universal nodes diagonal brace includes four diagonal braces, and half circle draw-in groove is fixed at the two ends of every described diagonal brace respectively, described
Semicircle draw-in groove is buckled in the side of corresponding described rod member I, two be buckled in same described rod member I both sides respectively described half
Circular draw-in groove docks and uses bolt to lock.
The present invention has the advantage that with good effect: first can be applicable to existing all types of bearing support;Second is
Can substitute for bridging;3rd can strengthen weak node in the later stage;4th universal nodes diagonal brace drastically increases bearing support
Bearing capacity and stability, simple installation, low cost, bearing support contingency occurrence probability can be reduced;5th can repeat
Recycle, reduce cost further.
In sum, the present invention when bearing support is built and can put on, after building, the node arbitrarily needing reinforcement easily,
Bearing support system interior joint rigidity can be improved, overall diagonal brace, or reinforcement connection stiffness can be replaced again so that multinode uses
Loss (connection stiffness loss can be connected by node loosen, sliding, the reason such as disengagement cause), so avoid local failure and
Improve total bearing capacity and stability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the schematic diagram of the first support system of the application present invention;
Fig. 3 is the schematic diagram of the second support system of the application present invention.
In figure: 1, rod member I;2, rod member II;3, diagonal brace;4, semicircle draw-in groove;5, bolt.
Detailed description of the invention
For the summary of the invention of the present invention, feature and effect can be further appreciated that, hereby enumerate following example, and coordinate accompanying drawing
Describe in detail as follows:
Refer to Fig. 1, a kind of universal nodes diagonal brace conveniently put on inside and outside bearing support, at described node, be provided with four phases
The most vertical rod member I 1, four described rod members I 1 are located in the same horizontal plane or are positioned at same vertical plane, and being intersected in
A piece perpendicular rod member II 2, this universal nodes diagonal brace includes four diagonal braces 3, and the two ends of every described diagonal brace 3 are respectively
Fixing half circle draw-in groove 4, described semicircle draw-in groove 4 is buckled in the side of corresponding described rod member I 1, and two are buckled in respectively
The described semicircle draw-in groove 4 of same described rod member I 1 both sides docks and uses bolt 5 to lock.
The construction method of above-mentioned universal nodes diagonal brace, comprises the following steps:
One) the semicircle draw-in groove of every diagonal brace is separately fixed at adjacent two that a certain node of bearing support is generally aligned in the same plane
On root rod member I 1.
Concrete operation is:
Select a destined node or a weak node, two semicircle draw-in grooves of a diagonal brace of this universal nodes diagonal brace are divided
It is not arranged on two rod members I 1 of this node, makes semicircle draw-in groove 4 tentatively agree with the rod member I 1 of bearing support.
Two) two semicircle draw-in grooves of another root diagonal brace are fixed on two rod members I 1 of this node, with step one) in
The docking of semicircle draw-in groove, bolt is arranged in the eyelet that two semicircle draw-in grooves of docking are reserved, tightens screw locking.
Concrete operation is:
Take supporting bolt, be arranged in the eyelet that two semicircle draw-in grooves of docking are reserved, lock two semicircle draw-in grooves,
The rod member I making itself and bearing support closely agrees with, fixed constraint.
Three) repeat above step, install four diagonal braces, form a complete universal nodes diagonal brace.Can be by general
Node diagonal brace is arranged at other node needing to strengthen, it is also possible to universal nodes diagonal brace is arranged on bearing support system and makes a reservation for
At node on diagonal member intersection so that it is play the effect of bridging.
The present invention is convenient and swift when reality is applied, it is simple to site operation, improves and prop up on the basis of not strengthening difficulty of construction
The security performance of bolster.
The ultimate principle of the present invention is: during bearing support is set up or during use, single or multiple by strengthening
Node, improves bearing support local stability and stability in the large.
Can set up above-mentioned universal nodes diagonal brace in the bearing support system set up, the quantity specifically set up visually is constructed
Depending on the significance level of situation and bearing support engineering.If general construction project can be set up this logical in node weak link
Use node diagonal brace, if on a large scale, the concrete of large span can increase the layout quantity of this universal nodes diagonal brace.
Above-mentioned universal nodes diagonal brace both can be used alone in bearing support system;Can also be used in mixed way with other diagonal brace,
Common reinforcement structure stability.
The application case 1 of the present invention:
Certain office building of this engineering, main body is frame-shear structure, B1,15 layers on the ground;The gross area about 12845.6 is flat
Side's rice.
The component that this scaffolding work relates to: (1) steel pipe uses No. 3 steel welded still pipes of external diameter 48mm, wall thickness 3.5mm.
Vertical rod, the steel pipe length of vertical equity bar (leger) are generally 4~6m, and transverse horizontal bar (little cross bar) is generally
1.9~2.3m.Steel pipe is coated with antirust paint.(2) scaffold load: structure-steel framing is 3kN/m2, fit up as 2kN/m2。⑶
Diagonal brace is the bearing support universal nodes diagonal brace that the present invention describes.
This engineering bearing support set up order: basis is 200 thick element concrete apron slopes, pedestal for placed (thick 50 solid woods under vertical rod
Plate is coherent to be arranged), successively to vertical rod at the bottom of the setting of both sides from corner, after bottom is fixing with longitudinal gesture the thin end of the scroll fastener, installing
Laterally sweep the floor bar, and also fix with vertical rod, after 3~4 vertical rods are holded up on every limit, immediately the installing first step longitudinally flat bar (with
Vertical rod snapping is fixed) and horizontal flat bar (little cross bar, close vertical rod are also fixed with longitudinally flat bar snapping).Correction vertical rod is hung down
After straight peace bar level complies with requirement, tighten fastening bolt by 45~55Nm power, form the initial segment of framework, by upper
State requirement extension the most forward to set up, until first step frame hands over circle to complete.After handing over circle, then check a structure quality comprehensively,
Strictly guarantee that design requires and framework quality, wall-connecting piece is set.By the operation routine of first step frame and requirement set up second step,
3rd step ..., install wall-connecting piece and bridging, installation work interlayer cross bar, laying scaffolding board in time with process of setting up
Totally-enclosed with installation work layer railing, foot guard plate and Dense mesh screen.
System to be supported can arrange this type of diagonal brace after completing in any bearing support plane, and selected node is not far from one another most
May be linked to be sheet, install diagonal brace according to operation sequence, the diagonal brace after installation strengthens this plane.Engineering joins diagonal brace
Partial result, refer to Fig. 2.
Construction rear support system uses the position of this type of diagonal brace that local failure does not occurs substantially, and support system bulk deformation is little,
Respond well.
The application case 2 of the present invention:
Wherein one section of viaduct girder of certain science of bridge building is C50 uiform section prestressed reinforced concrete continuous box girder, uses
Single-box multi-cell, box beam top board is wide 36.1 meters, and base plate is wide 31.1 meters, and both sides jib-length is 2.5 meters, deck-molding 2 meters,
Box beam top thickness 0.25 meter, thick 0.2 meter of base plate.
Component that this scaffolding work relates to and material requirements: (1) new type scaffold steel pipe uses Q235A level ordinary steel
Pipe, specification is Φ 48 × 3.5mm, and thickness of steel pipe cannot be less than 3.475mm.(3) jacking, adjustable base and adjustable torr support spiral shell
Female employing malleable cast iron manufacture.Crossbar joint, brace joint use carbon cast steel manufacture.(4) propping up during diagonal brace is the present invention
Bolster universal nodes diagonal brace and common bridging are also used.
This engineering bearing support set up order: (1) full-bridge use Φ 48 × 3.5mm mortise and tenon formula steel pipe full framing, all adopt
It is 60cm × 60cm × 60cm supporting structure system with vertical rod direction across bridge spacing × vertical bridge to spacing × cross bar step pitch.(2) full-bridge
Arranging bridging, longitudinal bridging is set up in the outer side elevation of framed bent and centre, is 6 rows along bridge to spacing, horizontal bridging every 6
Row's support sets up 4 roads, to ensure the stability in the large of bent structure static determinacy and framed bent.(3) beam bottom mother plate uses
122cm × 244cm × 12mm high-quality bamboo slab rubber, side carries out trying plane, to ensure to combine tightly;Box beam side form uses punching block
Plate.At the bottom of template along bridge to lay 10cm width × 15cm height lumps of wood, spacing 30cm, fasten with nails between template and the lumps of wood,
The equal hanging wire of plate crest level adjusts, and repetition measurement is examined, accurate to guarantee template elevation.It is direction across bridge 10cm width × 15cm under the lumps of wood
The high lumps of wood supports, and spacing is with rack rod array pitch.(5) expire and at the bottom of hall bowl button rack rod, lay 15cm × 15cm lumps of wood, vertical rod
Elevation relies on adjustable jack to be adjusted with adjustable collet.
Owing in science of bridge building, support system is on a grand scale, the comparatively dense that this type of diagonal brace is arranged, consolidation effect is relatively preferable,
Take to be separated by a node in any bearing support plane and arrange that the mode of this type of diagonal brace is abound with, at former bracing frame and
Under the common effect of this diagonal brace, this plane defines a new reinforcing face, refers to Fig. 3.
In bridge engineeting, bearing support typically presents on a large scale, large span, and overall shelf very high, to bearing support
Stability, requirement for bearing capacity is the highest, and the use of this general bearing support node diagonal brace serves preferable effect.
Although the preferred embodiments of the present invention being described above in conjunction with accompanying drawing, but the invention is not limited in above-mentioned
Detailed description of the invention, above-mentioned detailed description of the invention is only schematically, is not restrictive, this area general
Logical technical staff is under the enlightenment of the present invention, in the case of without departing from present inventive concept and scope of the claimed protection,
Can be to make a lot of form, within these belong to protection scope of the present invention.
Claims (1)
1. conveniently put on the universal nodes diagonal brace inside and outside bearing support, be provided with at described node four orthogonal
Rod member I, four described rod members I are located in the same horizontal plane or are positioned at same vertical plane, and are intersected in one and hang down with it
Straight rod member II;It is characterized in that, this universal nodes diagonal brace includes four diagonal braces, and the two ends of every described diagonal brace are solid respectively
Determining half circle draw-in groove, described semicircle draw-in groove is buckled in the side of corresponding described rod member I, and two are buckled in same institute respectively
The described semicircle draw-in groove stating rod member I both sides docks and uses bolt to lock.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410848225.2A CN104533074B (en) | 2014-12-29 | 2014-12-29 | A kind of universal nodes diagonal brace conveniently put on inside and outside bearing support |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410848225.2A CN104533074B (en) | 2014-12-29 | 2014-12-29 | A kind of universal nodes diagonal brace conveniently put on inside and outside bearing support |
Publications (2)
Publication Number | Publication Date |
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CN104533074A CN104533074A (en) | 2015-04-22 |
CN104533074B true CN104533074B (en) | 2016-09-14 |
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CN201410848225.2A Expired - Fee Related CN104533074B (en) | 2014-12-29 | 2014-12-29 | A kind of universal nodes diagonal brace conveniently put on inside and outside bearing support |
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Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2247102A5 (en) * | 1973-10-08 | 1975-05-02 | Self Lock Echafaudages | Prefabricated scaffolding assembly - frames have three connected uprights with frame connecting sleeves on bases |
FR2490701A3 (en) * | 1980-09-25 | 1982-03-26 | Savatarelli Pietro | Step ladder-type mobile access scaffold - has single-piece traverses each with inclined bracing connected to risers |
CN101942901A (en) * | 2010-09-10 | 2011-01-12 | 刘辉 | Support frame or scaffold and construction method thereof |
CN201771170U (en) * | 2010-09-10 | 2011-03-23 | 刘辉 | Diagonal rod for bracing frame or scaffold |
CN201835515U (en) * | 2010-11-08 | 2011-05-18 | 四川华山建筑有限公司 | Bidirectional stress base section of attached lifting scaffold |
CN102182300B (en) * | 2011-03-28 | 2012-07-18 | 杭州二建建设有限公司 | Method for increasing horizontal cross braces and improving and determining bearing capacity of support frame |
CN202299386U (en) * | 2011-11-04 | 2012-07-04 | 江苏天任建设有限公司 | Scaffold horizontal rod element connecting unit |
JP5809955B2 (en) * | 2011-12-16 | 2015-11-11 | 日鐵住金建材株式会社 | Temporary scaffold |
CN103790374A (en) * | 2012-10-31 | 2014-05-14 | 常州市君成机械有限公司 | Novel adjustable triangular diagonal bracing for building |
CN203701544U (en) * | 2014-02-18 | 2014-07-09 | 江苏建筑职业技术学院 | Overturn-preventing scaffold |
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2014
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