CN205330133U - Overhanging scaffold - Google Patents
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- CN205330133U CN205330133U CN201520806839.4U CN201520806839U CN205330133U CN 205330133 U CN205330133 U CN 205330133U CN 201520806839 U CN201520806839 U CN 201520806839U CN 205330133 U CN205330133 U CN 205330133U
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Abstract
The utility model provides an overhanging scaffold builds and sets up on the girder steel of encorbelmenting, overhanging scaffold includes pole setting, horizontal horizon bar and vertical horizon bar, wherein, horizontal horizon bar with vertical horizon bar all is located to distribute on the horizontal plane and sets up, just horizontal horizon bar extends the setting along space X axle direction, vertical horizon bar extends the setting along space Y axle direction, the pole setting lies in vertical flat areal distribution setting, just the setting is extended along space Z axle direction to the pole setting, two adjacent the joint position of vertical horizon bar must not be in with stride or same striding, the utility model provides a pair of overhanging scaffold, this overhanging scaffold, stability is good, and the security is high, simple structure, construction convenience, the range of application is extensive.
Description
Technical field
This utility model relates to building and encorbelments technical field, especially relates to a kind of overhanging scaffold。
Background technology
Protection aspect outside, all there is the problem that its load-carrying properties, stability and reliability are poor in the scaffold in conventional art；
Wherein, cantilever steel girder is exactly the beam stretching out floor, and a part is fixed on floor, and a part is stretched out, and builds scaffold on cantilever steel girder。At present, cantilever steel girder is built scaffold, it is necessary to consider the important indicators such as its load-carrying properties, stability and reliability。But, current conventional builder's jack structure is complicated and structural stability is poor, construction inconvenience, thus causing claim for eot, and raising construction cost。
Utility model content
The purpose of this utility model is in that to provide a kind of overhanging scaffold, to solve above-mentioned technical problem。
A kind of overhanging scaffold that this utility model provides, builds and arranges on cantilever steel girder, and described overhanging scaffold includes vertical rod, transverse horizontal bar and vertical equity bar；
Wherein, described transverse horizontal bar and described vertical equity bar are respectively positioned on horizontal plane and are distributed arrange, and described transverse horizontal bar is extended along space X direction of principal axis, and described vertical equity bar is extended along space Y direction of principal axis；
Described vertical rod is positioned on perpendicular and is distributed arranges, and described vertical rod is extended along space Z-direction；
The joint location of two adjacent described vertical equity bars must not in same step pitch or with across interior。
Further, described overhanging scaffold is double-pole scaffold of encorbelmenting, and described overhanging scaffold also includes frame pipe and fastener；Described frame pipe adopts diameter phi to be 48.3mm, and thickness is the steel pipe of 3.6mm, and described fastener adopts malleable cast iron fastener。
Further, described steel pipe is also coated with painting protective layer；Described painting protective layer is antirust paint。
Further, setting up in structure at described overhanging scaffold；
Vertical rod advance is 1500mm；Vertical rod transfer is 800mm；Horizon bar step pitch is 1800mm；Described vertical rod distance wall skin is 300mm；
Described overhanging scaffold also includes laterally sweep the floor bar and bar of longitudinally sweeping the floor；Wherein, bar of sweeping the floor is set up distance channel-section steel face and be must not exceed 200mm；Described longitudinal direction bar of sweeping the floor adopts right-angle coupler and described vertical rod to fix to be connected。
Further, setting up in structure in the described vertical rod of described overhanging scaffold；
Described vertical rod spreading adopt except top layer to clasp connect, and adjacent described vertical rod must not in sustained height to clasp, at least should stagger a step scaffold。
Described overhanging scaffold also includes wall-connecting piece；When starting to set up scaffold, it should be connected with post across arranging a stay bolt every 4, until wall-connecting piece install stable after, can according to circumstances remove；
When taking to when having the structure of wall-connecting piece, after having set up the vertical rod at this place, vertical equity bar, transverse horizontal bar, should arranging wall-connecting piece immediately, vertical every layer must be provided with wall-connecting piece, and wall-connecting piece is longitudinally every 2 across arranging one；Wall-connecting piece spacing must not exceed 4.2 meters, and to arrange by rhombus；
Top layer rod end stretches out scope of operation epithelium 1.2m。
Further, setting up in structure at the described vertical equity bar of described overhanging scaffold；
Described vertical equity bar is arranged on inside described vertical rod, and length be not less than 2 across；
Described vertical equity bar spreading adopts and clasp is connected, and the joint location of two adjacent vertical equity bars must not in same step pitch or with across interior；Asynchronous or difference staggers 500mm in the horizontal direction across two adjacent joints；
And scaffold building end is additionally provided with anti-skid fastener。
Further, setting up in structure at the described transverse horizontal bar of described overhanging scaffold；
Described transverse horizontal bar two ends adopt right-angle coupler to be firmly connected with described vertical rod, and stretch out inner side vertical rod 250mm；
Described transverse horizontal bar and described vertical equity bar are set up and are also erected with scaffold board in the plane of composition；
Described scaffold board completely spreads and is additionally provided with foot guard plate。
Described scaffold board must arrange two little cross bars when docking, and probe plate cannot be greater than 200mm。
It should be noted that wherein, stretch out beyond little cross bar and to be called probe plate more than 20。Scaffold board is the job platform of workmen, it is necessary to completely spread according to the width of scaffold, between plate and plate against。Scaffold board also known as foot handsheet, on scaffold, crosshead lay, it is simple to workman walk above it, transport material and construction operation a kind of interim turnover use construction material。In the structure of the overhanging scaffold of this utility model embodiment offer, scaffold board can adopt steel, wood, bamboo wood material to make。Foot guard plate in scaffold is a splat or iron plate, continuous surface or the cross bar outside passage and on scaffold board, and position class is similar to skirting board。Because almost fitting well, face is equally high, so being foot guard plate。
Further, setting up in structure at the described wall-connecting piece of described overhanging scaffold；
Described wall-connecting piece is connected with wall, and wall-connecting piece is for should often all arrange by structure sheaf, is set to two steps two and arranges across, rhombus；
Further, in the structure of scaffold bridging and horizontal diagonal brace:
The side elevation of described overhanging scaffold arranges bridging on whole length and height continuously；Brace and the inclination angle on ground in described bridging structure should between 45 °～60 °。
It should be noted that bridging is exactly the skewed horizontal load on scaffold。(like the X-shaped bar of shears in Fig. 4)；This utility model embodiment provide overhanging scaffold structure in, this bridging set up angle and overlapping part all has structural design cleverly；Concrete in follow-up description specific embodiment。
Further, in the structure of scaffold bridging and horizontal diagonal brace:
Described horizontal diagonal brace, at same internode, is that zig-zag type is arranged continuously by the end to top layer, and the portion of turning arranges together, and centre is every 6 across setting together。
It should be noted that horizontal diagonal brace: be flexuose brace with the inside and outside vertical rod of double-pole scaffold or horizon bar oblique。
A kind of overhanging scaffold that this utility model provides, this overhanging scaffold, good stability, safety is high, while can building protective frame, simple in construction, easy construction, have wide range of applications。
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, the accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings。
The main TV structure schematic diagram of a kind of overhanging scaffold that Fig. 1 provides for this utility model embodiment；
The A-A of a kind of overhanging scaffold that Fig. 2 provides for this utility model embodiment is to structural representation；
The explanation structural representation of a kind of overhanging scaffold that Fig. 3 provides for this utility model embodiment；
The bridging arrangement schematic diagram of a kind of overhanging scaffold that Fig. 4 provides for this utility model embodiment；
Accompanying drawing labelling:
1-vertical rod；2-transverse horizontal bar；3-vertical equity bar；4-joint。
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is a part of embodiment of this utility model, rather than whole embodiments。Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection。
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply indication device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model。Additionally, term " first ", " second ", " the 3rd " are only for descriptive purposes, and it is not intended that indicate or hint relative importance。
In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, for instance, it is possible to it is fixing connection, it is also possible to be removably connect, or connect integratedly；Can be mechanically connected, it is also possible to be electrical connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, it is possible to be the connection of two element internals。For the ordinary skill in the art, it is possible to concrete condition understands above-mentioned term concrete meaning in this utility model。
The main TV structure schematic diagram of a kind of overhanging scaffold that Fig. 1 provides for this utility model embodiment；The A-A of a kind of overhanging scaffold that Fig. 2 provides for this utility model embodiment is to structural representation；The explanation structural representation of a kind of overhanging scaffold that Fig. 3 provides for this utility model embodiment；The bridging arrangement schematic diagram of a kind of overhanging scaffold that Fig. 4 provides for this utility model embodiment；
As Figure 1-4, a kind of overhanging scaffold that the present embodiment provides, to build and arrange on cantilever steel girder, described overhanging scaffold includes vertical rod 1, transverse horizontal bar 2 and vertical equity bar 3；
Wherein, described transverse horizontal bar 2 and described vertical equity bar 3 are respectively positioned on horizontal plane and are distributed arrange, and described transverse horizontal bar 2 is extended along space X direction of principal axis, and described vertical equity bar 3 is extended along space Y direction of principal axis；Described vertical rod 1 is positioned on perpendicular and is distributed arranges, and described vertical rod 1 is extended along space Z-direction；The joint location of two adjacent described vertical equity bars 3 must not in same step pitch or with across interior。
It should be noted that, set up structure in order to what better illustrate above-mentioned overhanging scaffold, be specifically incorporated rectangular coordinate system in space in order to the position relationship illustrating between the vertical rod of above-mentioned overhanging scaffold, transverse horizontal bar and vertical equity bar and connected mode etc.；Crossing space fixed point O and make three mutually perpendicular number axis, they are all with O for initial point (not shown), have these three number axis of identical unit length and are called X-axis (transverse axis), Y-axis (longitudinal axis), Z axis (vertical pivot)。
A kind of overhanging scaffold that this utility model provides, this overhanging scaffold, good stability, safety is high, while can building protective frame, simple in construction, easy construction, have wide range of applications。
Below the concrete structure of the overhanging scaffold that this utility model embodiment provides and concrete technique effect are done detailed description:
One, construction plan: this engineering second layer beam slab starts pre-buried I-steel, bottom console model scaffold building height (when setting up the section of encorbelmenting vertical rod as far as possible stagger land scaffold upright rod) need to be higher than the height of the 2nd layer main body structure floor height, I-steel can be carried out oblique pull after the beam slab concrete of pre-buried snap ring reaches some strength。Scaffold building follows main structure construction progress。
According to this engineering construction general plan and scaffold construction scheme, for ensureing the realization of construction program, company according to conceptual design require to prepare enough all need to material, and march into the arena according to plan according to construction speed in batches, classification is deposited in appointment place。Related personnel should be organized after materials arrival to carry out an acceptance inspection, and to steel pipe sizes, wall thickness, fastener etc. carries out close inspection。
This engineering builder's jack construction main material used has Φ 48.3*3.6 steel pipe (namely diameter phi is 48.3mm, and thickness is the steel pipe of 3.6mm), fastener, closely-knitted safety net, 16b channel-section steel, steel wire rope, and main construction equipment has tower crane。
Two, construction technology technology:
Set up parameter
This engineering structure protective frame and finishing scaffold adopt double-pole scaffold of encorbelmenting, and frame pipe adopts diameter phi to be 48.3mm, and thickness is the steel pipe of 3.6mm, and fastener adopts malleable cast iron fastener。As it is shown on figure 3, vertical rod advance 1500mm, transfer 800mm, from wall 300mm, cross bar step pitch 1800mm, wall-connecting piece be connected as two steps two across。Construction part completely spreads 5cm scaffold board, and outer side elevation sets 200cm height, 5cm thickness foot guard plate, and bottom and work layer completely spread scaffold board。
Two layers of ground of scaffold start to encorbelment, and once encorbelment to top, and [encorbelment 1250mm for 16b channel-section steel, notch level, anchors more than 1500mm, and anchor point adopts two φ 16 reinforcing bars, is embedded in floorslab concrete during casting concrete in cantilever steel girder employing。
Scaffold building
Preparation of construction:
(1), before construction, technical staff should confide a technological secret to scaffold building personnel and user of service。
(2), should carrying out quality inspection after materials arrival, steel pipe, fastener should have work certificate and quality inspection report；
Steel tube surface should be straight smooth, should not have crack, scabs, is layered, misplaces, firmly curved, burr, impression and deep road plan。
Steel pipe geometrical deviation should meet " construction fastener type steel pipe scaffold technical specification of security " regulation。
Steel pipe must be coated with antirust paint。
Scaffold board thickness is not less than 50mm, and width is not less than 200mm；Rotten scaffold board must not use。
(3), through checking qualified component and fitting by kind, specification classification, to stack neat, steady, stacking place must not have hydrops。
(4), having to check for channel-section steel anchor bar situation of encorbelmenting before scaffold building, it is necessary to accomplish that root root is checked and accepted, after placing channel-section steel, between channel-section steel face and reinforcing bar, timber wedge in gap is carried on the back real。
Construction technology:
Technological process: weld anti-skidding reinforcing bar → scaffold building → examination above inspection channel-section steel anchoring quality → channel-section steel。
About channel-section steel anchoring inspection:
Necessary close inspection channel-section steel anchor situation before scaffold building, channel-section steel anchors necessary 2 whole anchorings, must be less that the timber wedge back of the body extremely and check at any time with compressibility between reinforcing bar and little of channel-section steel, and the necessary weld seam of anti-slip reinforcing bar is complete。
About setting up requirement:
(1), this engineering external scaffolding adopt encorbelment both feet hand cradle, once encorbelment to top。
(2), scaffold building vertical rod advance 1500mm, transfer 800mm, horizon bar step pitch 1800mm, vertical rod distance wall skin 300mm。
(3) bar of, sweeping the floor is set up distance channel-section steel face and be must not exceed 200mm。Bar of longitudinally sweeping the floor adopts right-angle coupler must firmly be connected with vertical rod。
(4), vertical rod is set up and should be met the following requirements:
Vertical rod spreading must adopt except top layer to clasp connect, adjacent vertical rod must not in sustained height to clasp, at least should stagger a step scaffold；
When starting to set up scaffold, it should be connected with post across arranging a stay bolt every 4, until wall-connecting piece install stable after, can according to circumstances remove；
When taking to when having the structure point of wall-connecting piece, after having set up the vertical rod at this place, vertical equity bar, transverse horizontal bar, should arranging wall-connecting piece immediately, vertical every layer must be provided with wall-connecting piece, and wall-connecting piece is longitudinally every 2 across arranging one。Wall-connecting piece spacing must not exceed 4.2 meters, and to arrange by rhombus。
Top layer rod end stretches out scope of operation epithelium 1.2m。
(5), vertical equity bar is arranged:
Vertical equity bar should be arranged on inside vertical rod, length cannot be less than 2 across。
Vertical equity bar spreading adopts and clasp is connected, and the joint location of two adjacent vertical equity bars must not in same step pitch or with across interior。Asynchronous or difference staggers in the horizontal direction across two adjacent joints, and (namely vertical equity bar is provided with the joint for overlapping other structures to 500mm, and the joint of its vertical equity bar adjacent with this staggers not in same step pitch or with across interior；Otherwise will affect structural stability and the reliability of scaffold)。Scaffold building end adds anti-skid fastener。Specific practice refers to lower Fig. 1。
(6), transverse horizontal bar two ends adopt right-angle coupler be firmly connected with vertical rod, stretch out inside vertical rod 250mm。
Scaffold board must completely spread and arrange foot guard plate。Must be provided with two little cross bars during scaffold board docking, probe plate cannot be greater than 200mm。
(7), wall-connecting piece is arranged:
Wall-connecting piece, for should often all arrange by structure sheaf, is set to two steps two and arranges across, rhombus；
The distance that near host node, should deviate host node when arranging wall-connecting piece can not more than 300mm；
This engineering wall-connecting piece must adopt rigid connecting tube and frame column to be reliably connected；
Wall-connecting piece should be horizontally disposed with, and when not being horizontally disposed with, one end declivity being connected with scaffold connects, and should not adopt oblique connection；
Wall-connecting piece adopts frame pipe to set up, and frame links and connects, it should can bear the structure of pulling force and pressure。
(8), the setting (as shown in Figure 4) of scaffold bridging and horizontal diagonal brace:
This engineering must arrange bridging on whole length and height on outer side elevation continuously；The inclination angle on brace and ground should between 45 degree～60 degree。
Bridging brace spreading should adopt tower to connect。Tower spreading degree is not less than 60cm。
Bridging brace should adopt rotary buckle to be fixed in external part or the vertical rod of intersecting therewith transverse horizontal bar, and rotary buckle central point is not preferably greater than 150mm to the distance of host node。
Horizontal diagonal brace should, at same internode, be that zig-zag type is arranged continuously by the end to top layer, and the portion of turning arranges together, and centre is every 6 across setting together。Diagonal brace should adopt rotary buckle to be fixed on the external part of intersecting therewith transverse horizontal bar, and rotary buckle can not more than 150mm to host node distance。
Bridging, horizontal brace should synchronize to set up with vertical rod, vertical and horizontal horizon bar etc.。
(9), fastener is installed and should be met the following requirements:
Fastener specification must be identical with outer diameter of steel pipes。
Torsional moment tightened by bolt can not less than 40N.M, and can not more than 65N.M；
Mutual distance at the right-angle coupler of host node place fixed lateral horizon bar, vertical equity bar, bridging, horizontal diagonal brace etc., the central point of rotary buckle not should be greater than 150mm。
Docking fastener openings should upward or inwardly；
The length of fastener side edge thereof is stretched out in each rod member termination can not less than 100mm。
A kind of overhanging scaffold that this utility model provides, this overhanging scaffold, good stability, safety is high, while can building protective frame, simple in construction, easy construction, have wide range of applications。
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, it is not intended to limit；Although this utility model being described in detail with reference to foregoing embodiments, it will be understood by those within the art that: the technical scheme described in foregoing embodiments still can be modified by it, or wherein some or all of technical characteristic is carried out equivalent replacement；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of this utility model。
Claims (10)
1. an overhanging scaffold, it is characterised in that building and arrange on cantilever steel girder, described overhanging scaffold includes vertical rod, transverse horizontal bar and vertical equity bar；
Wherein, described transverse horizontal bar and described vertical equity bar are respectively positioned on horizontal plane and are distributed arrange, and described transverse horizontal bar is extended along space X direction of principal axis, and described vertical equity bar is extended along space Y direction of principal axis；
Described vertical rod is positioned on perpendicular and is distributed arranges, and described vertical rod is extended along space Z-direction；
The joint location of two adjacent described vertical equity bars must not in same step pitch or with across interior。
2. overhanging scaffold according to claim 1, it is characterised in that
Described overhanging scaffold is double-pole scaffold of encorbelmenting, and described overhanging scaffold also includes frame pipe and fastener；Described frame pipe adopts diameter phi to be 48.3mm, and thickness is the steel pipe of 3.6mm, and described fastener adopts malleable cast iron fastener。
3. overhanging scaffold according to claim 2, it is characterised in that
Described steel pipe is also coated with painting protective layer；Described painting protective layer is antirust paint。
4. overhanging scaffold according to claim 1, it is characterised in that
Vertical rod advance is 1500mm；Vertical rod transfer is 800mm；Horizon bar step pitch is 1800mm；Described vertical rod distance wall skin is 300mm；
Described overhanging scaffold also includes laterally sweep the floor bar and bar of longitudinally sweeping the floor；Wherein, bar of sweeping the floor is set up distance channel-section steel face and be must not exceed 200mm；Described longitudinal direction bar of sweeping the floor adopts right-angle coupler and described vertical rod to fix to be connected。
5. overhanging scaffold according to claim 4, it is characterised in that
Described vertical rod spreading adopt except top layer to clasp connect, and adjacent described vertical rod must not in sustained height to clasp, at least should stagger a step scaffold。
6. overhanging scaffold according to claim 5, it is characterised in that
Described vertical equity bar is arranged on inside described vertical rod, and length be not less than 2 across；
Described vertical equity bar spreading adopts and clasp is connected, and the joint location of two adjacent vertical equity bars must not in same step pitch or with across interior；Asynchronous or difference staggers 500mm in the horizontal direction across two adjacent joints；
And scaffold building end is additionally provided with anti-skid fastener。
7. overhanging scaffold according to claim 6, it is characterised in that
Described transverse horizontal bar two ends adopt right-angle coupler to be firmly connected with described vertical rod, and stretch out inner side vertical rod 250mm；
Described transverse horizontal bar and described vertical equity bar are set up and are also erected with scaffold board in the plane of composition；
Described scaffold board completely spreads and is additionally provided with foot guard plate；
Described scaffold board must arrange two little cross bars when docking, and probe plate cannot be greater than 200mm。
8. overhanging scaffold according to claim 7, it is characterised in that also include wall-connecting piece；
Described wall-connecting piece is connected with wall, and wall-connecting piece is for should often all arrange by structure sheaf, is set to two steps two and arranges across, rhombus。
9. overhanging scaffold according to claim 8, it is characterised in that
In the structure of scaffold bridging and horizontal diagonal brace:
The side elevation of described overhanging scaffold arranges bridging on whole length and height continuously；Brace and the inclination angle on ground in described bridging structure should between 45 °～60 °。
10. overhanging scaffold according to claim 9, it is characterised in that
In the structure of scaffold bridging and horizontal diagonal brace:
Described horizontal diagonal brace, at same internode, is that zig-zag type is arranged continuously by the end to top layer, and the portion of turning arranges together, and centre is every 6 across setting together。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520806839.4U CN205330133U (en) | 2015-10-16 | 2015-10-16 | Overhanging scaffold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520806839.4U CN205330133U (en) | 2015-10-16 | 2015-10-16 | Overhanging scaffold |
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| CN205330133U true CN205330133U (en) | 2016-06-22 |
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| CN201520806839.4U Active CN205330133U (en) | 2015-10-16 | 2015-10-16 | Overhanging scaffold |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005370A (en) * | 2017-12-04 | 2018-05-08 | 广东中南建设有限公司 | The scaffold board and construction method of scaffold |
| CN108708536A (en) * | 2018-06-05 | 2018-10-26 | 中冶东北建设（沈阳）工程技术有限公司 | Console mode scaffold building construction method |
-
2015
- 2015-10-16 CN CN201520806839.4U patent/CN205330133U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005370A (en) * | 2017-12-04 | 2018-05-08 | 广东中南建设有限公司 | The scaffold board and construction method of scaffold |
| CN108708536A (en) * | 2018-06-05 | 2018-10-26 | 中冶东北建设（沈阳）工程技术有限公司 | Console mode scaffold building construction method |
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