CN105201198A - Tool-type cantilever beam and construction method thereof - Google Patents
Tool-type cantilever beam and construction method thereof Download PDFInfo
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- CN105201198A CN105201198A CN201510537655.7A CN201510537655A CN105201198A CN 105201198 A CN105201198 A CN 105201198A CN 201510537655 A CN201510537655 A CN 201510537655A CN 105201198 A CN105201198 A CN 105201198A
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Abstract
The invention discloses a tool-type cantilever beam and a construction method thereof. A support plate is arranged at one end of joist steel and is vertical to the joist steel; a connection hole which corresponds to the position of an embedded hole in a building external wall is formed in the support plate; the embedded hole is connected with the connection hole through a bolt I, so that vertical fixing of the joist steel on the building external wall is achieved; a locating rod is arranged on the upper surface of the joist steel; a connecting rod is arranged on the lower surface of the joist steel; a flying ring is arranged right above the support plate; the flying ring is connected with the connecting rod through a wire rope. According to the tool-type cantilever beam, the problems that a plurality of profile steel intersections are formed at the parts of internal and external corners in a cantilever scaffold joist steel mounting process, a steel beam and an embedded ring are difficult to locate and the joist steel beam is difficult to install in the prior art are solved; the problems are effectively solved; the steel beam can be installed at any position; meanwhile, the installation cost of the cantilever beam can also be reduced; the material consumption is reduced; the installation speed is also greatly improved; the condition that the time limit for a project is not affected by installation of the cantilever beam is ensured.
Description
Technical field
The present invention relates to a kind of tool-type cantilever steel girder and construction method thereof, belong to building scaffold set-up technology field.
Background technology
Along with the development in epoch, the progress of society, and the enforcement of new technology, new diseases and new criteria in construction, construction installation and safety protection facility progressively advance to " tool, regularization, standardization ".And erection of encorbelmenting belongs to safety protection facility indispensable in building construction process, i iron is again one of necessary component of outrigger of encorbelmenting.
Overwhelming majority project perimeter defense all adopts the shaped steel suspension scaffolding, adopts traditional mode of setting up can form interior of building shaped steel in negative and positive angular position and intersects more, and girder steel, pre-buried ring difficulty location, causes shaped steel to install complicated, constructional difficulties; Jog bit-type steel need different in size, the constructor in such project will carry out shaped steel to cut (normal section steel length is all 6m or 9m).This way not only increases constructing operation difficulty and operating time, and the shaped steel after being simultaneously cut can not use at other positions or sundry item, cause larger waste of material.
Summary of the invention
The object of the invention is: for the defect of prior art, provide a kind of tool-type cantilever steel girder and construction method thereof, it is easy for installation, and structure is simple, firmly, is easy to construction, to overcome the deficiencies in the prior art.
Technical scheme of the present invention
A kind of construction method of tool-type cantilever steel girder, when building structure need install lifting false work, the exterior wall place corresponding at each floor of building structure arranges embedded hole side by side, adopt i iron as the main body of tool-type Cantilever Beams, in one end of i iron, gripper shoe is set, at the connecting hole that gripper shoe setting position is corresponding with embedded hole position, employing bolt penetrates connecting hole and embedded hole implementation tool formula Cantilever Beams is vertically fixed on the exterior wall of the corresponding floor of building structure, at the upper surface of tool-type Cantilever Beams, the backstay be connected and fixed with lifting false work is set, at tool-type Cantilever Beams soffit, connecting rod is set, the embedded hole being positioned at a upper floor place of tool-type Cantilever Beams arranges suspension ring, suspension ring are fixed on the embedded hole place at a upper floor place by bolt and pad, employing wire rope connects suspension ring and connecting rod implementation tool formula Cantilever Beams two ends are simultaneously stressed, substantially improve the stressing conditions of tool-type Cantilever Beams, then lifting false work be arranged on tool-type Cantilever Beams and be connected and fixed by backstay and lifting false work, then complete the construction and installation to tool-type Cantilever Beams, when after the external wall construction completing lifting false work correspondence building, remove lifting false work and backstay connection and by tower crane by self-lifting scaffold frame integral hoisting, unclamp bolt by suspension ring and tool-type Cantilever Beams and take out, just suspension ring and tool-type Cantilever Beams are fixed in the embedded hole needing construction floor place in the same way, carry out the installation of lifting false work.
A kind of tool-type cantilever steel girder, comprise i iron, in i iron one end, gripper shoe is set and this gripper shoe perpendicular to i iron, the connecting hole corresponding with embedded hole position on external wall is set on the supporting plate, connect embedded hole and connecting hole by bolt one to realize i iron and be vertically fixed on external wall, i iron upper surface arranges backstay.
In aforesaid a kind of tool-type cantilever steel girder, arrange connecting rod at i iron soffit, directly over gripper shoe, arrange suspension ring, suspension ring are fixed in embedded hole by bolt two and backing plate, are connected between suspension ring with connecting rod by wire rope.
In aforesaid a kind of tool-type cantilever steel girder, the distance of described connecting rod and gripper shoe is the 2/3-3/4 of i iron total length.
Owing to have employed technique scheme, compared with prior art, the present invention solves in prior art and runs into negative and positive angular position shaped steel in builder's jack i iron installation process and intersect many, girder steel, pre-buried ring difficulty location, and the problem of difficulty installed by steel I-beam; The present invention effectively solves problems, and girder steel can be made can to install in any position; Can also save the installation cost of cantilever steel girder, decrease material usage, installation rate also improves greatly simultaneously, and guarantee the duration of a project not by the impact that cantilever steel girder is installed, structure of the present invention is simple, easy to make, practical.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is the connection diagram of embedded hole in connecting hole and building structure in the present invention;
Accompanying drawing 3 is the connection diagram of embedded hole in suspension ring and building structure in the present invention;
Accompanying drawing 4 is construction plan of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing to the present invention with being described in further detail, but not as any limitation of the invention.
Embodiments of the invention: a kind of construction method of tool-type cantilever steel girder, when building structure need install lifting false work, the exterior wall place corresponding at each floor of building structure arranges embedded hole side by side, adopt i iron as the main body of tool-type Cantilever Beams, in one end of i iron, gripper shoe is set, at the connecting hole that gripper shoe setting position is corresponding with embedded hole position, employing bolt penetrates connecting hole and embedded hole implementation tool formula Cantilever Beams is vertically fixed on the exterior wall of the corresponding floor of building structure, at the upper surface of tool-type Cantilever Beams, the backstay be connected and fixed with lifting false work is set, at tool-type Cantilever Beams soffit, connecting rod is set, the embedded hole being positioned at a upper floor place of tool-type Cantilever Beams arranges suspension ring, suspension ring are fixed on the embedded hole place at a upper floor place by bolt and pad, employing wire rope connects suspension ring and connecting rod implementation tool formula Cantilever Beams two ends are simultaneously stressed, substantially improve the stressing conditions of tool-type Cantilever Beams, then lifting false work be arranged on tool-type Cantilever Beams and be connected and fixed by backstay and lifting false work, then complete the construction and installation to tool-type Cantilever Beams, when after the external wall construction completing lifting false work correspondence building, remove lifting false work and backstay connection and by tower crane by self-lifting scaffold frame integral hoisting, unclamp bolt by suspension ring and tool-type Cantilever Beams and take out, just suspension ring and tool-type Cantilever Beams are fixed in the embedded hole needing construction floor place in the same way, carry out the installation of lifting false work.
A kind of tool-type cantilever steel girder constructed by said method, as shown in drawings, comprise i iron 1, in i iron 1 one end, gripper shoe 2 is set and this gripper shoe 2 perpendicular to i iron 1, gripper shoe 2 arranges the connecting hole 3 corresponding with embedded hole position on external wall, realizing i iron 1 by bolt 1 connection embedded hole and connecting hole 3 is vertically fixed on external wall, i iron 1 upper surface arranges backstay 5, at i iron 1 soffit, connecting rod 6 is set, suspension ring 7 are set directly over gripper shoe 2, suspension ring 7 are fixed in embedded hole by bolt 28 and backing plate 9, be connected by wire rope 10 between suspension ring 7 with connecting rod 6, this connecting rod 6 and the distance of gripper shoe 2 are the 2/3-3/4 of i iron 1 total length.
During concrete making application
Select the long 16# i iron of 6m to carry out cutting and be divided into 4 sections, each segment length 1.5m, (connecting hole center is: with the steel plate upper left corner for reference point to select steel plate 200*200*10 also to make a call to two connecting holes mated with bolt one M32 thereon as gripper shoe, offset 50mm and 150mm respectively to the right, offset downward 70mm), one end of every section of i iron is welded (weld bead height 10mm) with a block plate (gripper shoe), the upper surface of the other end arranges the anchor point that scaffold upright rod can be made reliably to fix, anchor point adopts reinforcing bar and the steel I-beam firm welding (weld bead height 5mm) of long 100mm Ф 25, integrated structure working drawing and outrigger layout plan of encorbelmenting, reserved two embedded holes matched with bolt M32 on the wall at steel girder erection position, instrument is that cantilever steel girder is connected firmly the above-mentioned steel I-beam that processes and building pre-buried hole position wall or beam with two M32 bolts one when installing, and the length that screw rod exposes nut end should not be less than 3 buttons, and must not be greater than 10mm, each i iron Cantilever Beams outer end should arrange Ф 20mm connecting rod and last layer building structure drawknot, at the embedded hole place of one deck building structure, suspension ring are set, suspension ring adopt the reinforcing bar of Ф 20mm to make, the backing plate of steel plate as bolt adopting a block-type number to be 100*100*10, and be connected firmly with two bolts two, the connection of the suspension ring of connecting rod and building drawknot adopts Ф 20 wire rope, suspension ring way: one end adopts straight spiral grains mantle silk, and the other end is bent into ring-type and welds (weld length is not less than 100mm, weld bead height 5mm) finally installs scaffold upright rod, carry out the installation of superstructure structure updating scaffold after completing construction, final dismounting maintenance after total body construction completes, warehouse-in is preserved, and treats that next time, turnover used.
Claims (4)
1. the construction method of a tool-type cantilever steel girder, building structure it is characterized in that: when need install lifting false work, the exterior wall place corresponding at each floor of building structure arranges embedded hole side by side, adopt i iron as the main body of tool-type Cantilever Beams, in one end of i iron, gripper shoe is set, at the connecting hole that gripper shoe setting position is corresponding with embedded hole position, employing bolt penetrates connecting hole and embedded hole implementation tool formula Cantilever Beams is vertically fixed on the exterior wall of the corresponding floor of building structure, at the upper surface of tool-type Cantilever Beams, the backstay be connected and fixed with lifting false work is set, at tool-type Cantilever Beams soffit, connecting rod is set, the embedded hole being positioned at a upper floor place of tool-type Cantilever Beams arranges suspension ring, suspension ring are fixed on the embedded hole place at a upper floor place by bolt and pad, employing wire rope connects suspension ring and connecting rod implementation tool formula Cantilever Beams two ends are simultaneously stressed, substantially improve the stressing conditions of tool-type Cantilever Beams, then lifting false work be arranged on tool-type Cantilever Beams and be connected and fixed by backstay and lifting false work, then complete the construction and installation to tool-type Cantilever Beams, when after the external wall construction completing lifting false work correspondence building, remove lifting false work and backstay connection and by tower crane by self-lifting scaffold frame integral hoisting, unclamp bolt by suspension ring and tool-type Cantilever Beams and take out, just suspension ring and tool-type Cantilever Beams are fixed in the embedded hole needing construction floor place in the same way, carry out the installation of lifting false work.
2. a tool-type cantilever steel girder, comprise i iron (1), it is characterized in that: in i iron (1) one end, gripper shoe (2) is set and this gripper shoe (2) perpendicular to i iron (1), at the connecting hole (3) that the upper setting of gripper shoe (2) is corresponding with embedded hole position on external wall, realizing i iron (1) by bolt one (4) connection embedded hole and connecting hole (3) is vertically fixed on external wall, and i iron (1) upper surface arranges backstay (5).
3. a kind of tool-type cantilever steel girder according to claim 2, it is characterized in that: at i iron (1) soffit, connecting rod (6) is set, suspension ring (7) are set directly over gripper shoe (2), suspension ring (7) are fixed in embedded hole by bolt two (8) and backing plate (9), are connected between suspension ring (7) with connecting rod (6) by wire rope (10).
4. a kind of tool-type cantilever steel girder according to claim 3, is characterized in that: described connecting rod (6) and the distance of gripper shoe (2) are the 2/3-3/4 of i iron (1) total length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510537655.7A CN105201198A (en) | 2015-08-28 | 2015-08-28 | Tool-type cantilever beam and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510537655.7A CN105201198A (en) | 2015-08-28 | 2015-08-28 | Tool-type cantilever beam and construction method thereof |
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| CN105201198A true CN105201198A (en) | 2015-12-30 |
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| CN201510537655.7A Pending CN105201198A (en) | 2015-08-28 | 2015-08-28 | Tool-type cantilever beam and construction method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558720A (en) * | 2017-10-18 | 2018-01-09 | 中交第四公路工程局有限公司 | A kind of vertical rod fixture and scaffold |
| JP6281015B1 (en) * | 2017-08-02 | 2018-02-14 | 藤本 隆 | Seismic construction method for temporary scaffolds for base-isolated buildings |
| 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 |
| CN112096038A (en) * | 2020-09-24 | 2020-12-18 | 四川新瑞建筑工程有限公司 | Angle-adjustable cantilever beam assembly for external scaffold |
| CN112267659A (en) * | 2020-10-26 | 2021-01-26 | 中铁六局集团有限公司 | Construction method of bolt type I-steel cantilever scaffold |
| CN113047595A (en) * | 2021-03-25 | 2021-06-29 | 中国十七冶集团有限公司 | External hanging basket installation structure of building wall and construction method thereof |
| CN113152871A (en) * | 2021-04-18 | 2021-07-23 | 广西建工第一建筑工程集团有限公司 | Tool type temporary cantilever steel beam foundation system device and mounting and dismounting use method |
| CN116005936A (en) * | 2023-03-28 | 2023-04-25 | 烟台市公路事业发展中心 | Suspension for building construction |
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| CN103174303A (en) * | 2011-12-23 | 2013-06-26 | 五冶集团上海有限公司 | Movable overhung unloading platform and manufacture and installation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6281015B1 (en) * | 2017-08-02 | 2018-02-14 | 藤本 隆 | Seismic construction method for temporary scaffolds for base-isolated buildings |
| CN107558720A (en) * | 2017-10-18 | 2018-01-09 | 中交第四公路工程局有限公司 | A kind of vertical rod fixture and scaffold |
| 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 |
| CN112096038A (en) * | 2020-09-24 | 2020-12-18 | 四川新瑞建筑工程有限公司 | Angle-adjustable cantilever beam assembly for external scaffold |
| CN112267659A (en) * | 2020-10-26 | 2021-01-26 | 中铁六局集团有限公司 | Construction method of bolt type I-steel cantilever scaffold |
| CN113047595A (en) * | 2021-03-25 | 2021-06-29 | 中国十七冶集团有限公司 | External hanging basket installation structure of building wall and construction method thereof |
| CN113152871A (en) * | 2021-04-18 | 2021-07-23 | 广西建工第一建筑工程集团有限公司 | Tool type temporary cantilever steel beam foundation system device and mounting and dismounting use method |
| CN116005936A (en) * | 2023-03-28 | 2023-04-25 | 烟台市公路事业发展中心 | Suspension for building construction |
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Application publication date: 20151230 |
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| RJ01 | Rejection of invention patent application after publication |