CN101761244A - Installation method of double movable support frames - Google Patents
Installation method of double movable support frames Download PDFInfo
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- CN101761244A CN101761244A CN200910214301A CN200910214301A CN101761244A CN 101761244 A CN101761244 A CN 101761244A CN 200910214301 A CN200910214301 A CN 200910214301A CN 200910214301 A CN200910214301 A CN 200910214301A CN 101761244 A CN101761244 A CN 101761244A
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- base
- support frames
- bracing frame
- bracing
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Abstract
The invention discloses an installation method of double movable support frames, which comprises the following installation steps: firstly, installing two axial bases; then, installing two axial support frames on the bases; next, installing a rigid inclined supporter; and finally, connecting the two support frames through a rigid tying rod. The top of the double support frames can bear vertical support force, the stability of the double support frames in two directions can be ensured through the rigid inclined supporter and the tying rod. The double support frames have three advantages that: firstly, the structure is simple, the bottom end is free and is not anchored, and no cable wire rope is arranged on the support frames; secondly, the installation, the dismounting and the transportation of the double support frames are all convenient and fast; and thirdly, the double support frames can be in turnover use, the manufacture cost is low, and the double support frames are particularly suitable for being used for temporary support of installation construction by a bulk installation method adopted by large-span steel structures.
Description
Technical field
The present invention relates to the central large-span steel mounting technique field of building operations, be specially adapted to adopt the high altitude bulk method that large-span steel is installed.
Background technology
The high altitude bulk method is very common in the installation of large-span steel, it generally all is to support as interim with the high-altitude bracing frame is set, for guaranteeing the stability of high-altitude bracing frame, generally all adopt the anchoring of bracing frame bottom, the top is provided with cable wind rope, perhaps with the contact rod member top of a plurality of bracing frames is coupled together.But at some occasion is installed, the bracing frame bottom can't be provided with the anchoring measure, and the top can't be provided with cable wind rope, and perhaps the bottom is provided with the anchoring measure and the top is provided with cable wind rope cost height.As: the bottom is an original soil, and perhaps other structure forbids being provided with the anchoring measure in the above; In addition,, will hinder advancing of crane, therefore need innovate the setting of high-altitude bracing frame if the top is provided with cable wind rope.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of have simple in structure, easy construction, safe and reliable installation method of double movable support frames.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of installation method of double movable support frames, it comprises the steps:
1): measurement and positioning, the mounting plane position of sign base;
2): spread the thick stone flour layer of about 50mm in the mounting plane position of base, planeness is no more than 5mm;
3): press orientation axis in the mounting plane position bracing frame base and rigid bracing base are installed;
4):,, guarantee that perpendicularity deviation is less than 1/1000 with the verticality of taper liner iron adjustment bracing frame at first standard knot of bracing frame base installation bracing frame;
5): the rigid bracing base and the first standard knot top are equipped with rigid bracing;
6): second standard knot, the 3rd standard knot and the non-standard joint of bracing frame are installed on first standard knot successively, and the overall perpendicularity deviation of bracing frame is not more than 10mm;
7):, bracing frame base and rigid bracing base and bracing frame are installed by above step 1-6 at adjacent the 2nd axis place;
8): use 6 root system bars that adjacent the 1st, 2 axis bracing frames are coupled together, the link position of tie-rod is the connection otic placode at each bracing frame standard knot top.
The invention has the beneficial effects as follows: adopt said method that the high-altitude bracing frame is set, guaranteed the stability of bracing frame, solved because of special construction environment bracing frame bottom the anchoring measure can't be set, the top can't be provided with cable wind rope, and perhaps the bottom is provided with the anchoring measure and the top is provided with the high difficult problem of cable wind rope cost.As long as this bracing frame is provided with three axis, just can reaches turnover and use.The bracing frame less investment, cost is low, assembling and disassembling safety, easy.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is a dual-gripper shelf structure schematic diagram of the present invention;
Fig. 2 is a dual-gripper frame vertical view of the present invention;
Fig. 3 is a dual-gripper front view of the present invention;
Fig. 4 is a dual-gripper left view of the present invention.
The specific embodiment
With reference to Fig. 1～Fig. 4, a kind of installation method of double movable support frames, it comprises the steps:
1: measurement and positioning, the mounting plane position of sign base;
2: spread the thick stone flour layer of about 50mm in the mounting plane position of base, planeness is no more than 5mm;
If footing foundation is original soil or backfill, base needs to tamp before installing, and basic planeness is no more than 20mm; Spreading thick stone flour layer then; If footing foundation is a concrete slab, then only need spreads thick stone flour layer and get final product.
3: press orientation axis in the mounting plane position bracing frame base 2 and rigid bracing base 1 are installed;
Base all adopts the steel concrete setting, appearance and size 2800 * 2800 * 300 length * wide * height; Pre-buried four stone bolt on 2 four angles of bracing frame base are installed, and bracing frame 4 is connected with the base stone bolt;
4:,, guarantee that perpendicularity deviation is less than 1/1000 with the verticality of taper liner iron 411 adjustment bracing frames at first standard knot 41 of bracing frame base 2 installation bracing frames 4;
5: rigid bracing base 1 and first standard knot, 41 tops are equipped with rigid bracing 3.
Establish the built-in fitting that band connects otic placode on the described rigid bracing base 1, otic placode connects rigid bracing 3 with connecting bolt; The other end of described rigid bracing 3 is connected with connecting bolt with first standard knot, 41 top otic placodes.
6: second standard knot 42, the 3rd standard knot 43 and the non-standard joint 44 of bracing frame 4 are installed on first standard knot 4 successively, and bracing frame 4 overall perpendicularity deviations are not more than 10mm;
7:, bracing frame base 2 ' and rigid bracing base 1 ' and bracing frame 4 ' are installed by above step 1-6 at adjacent the 2nd axis place;
8: use 6 root system bars 6 that adjacent the 1st, 2 axis bracing frames 4,4 ' are coupled together, the link position of tie-rod 6 is the connection otic placode at each bracing frame 4 standard knot top.
When large-span steel adopted the high altitude bulk method, each axis all will be provided with interim support, therefore with tie-rod 6 two interim support and connection was got up, and two bracing frames 4,4 ' are fused.Tie-rod 6 is connected the otic placode at each standard knot master limb top of adjacent two axial lines bracing frame, adopts high-strength bolt to be articulated and connected, and every cover needs 6 altogether.Two bracing frames are provided with the connection tie-rod becomes the dual-gripper frame, has guaranteed the stability on tie-rod plane.As long as being provided with two covers (totally 12), tie-rod just can reach the turnover use.
The dual-gripper frame that the above step of process is made just can bear the vertical load of 20t at the top.In order to make the dual-gripper frame can have enough to meet the need use, at adjacent the 3rd axis place, by above step 1-6 bracing frame base and rigid bracing base and bracing frame are installed, with tie-rod adjacent the 2nd, 3 axis bracing frames are coupled together then, after the 1st, 2,3 axis Steel Structure Installation are finished, dismountable the 1st axis bracing frame.The 1st axis bracing frame is installed to the 4th axial location; After the 4th axis Steel Structure Installation is finished, dismountable the 2nd axis bracing frame.The 2nd axis bracing frame is installed to the 5th axial location, and the rest may be inferred, as long as three axis bracing frames are set, uses around adopting, and finishes whole high-altitudes and support task.But for turnover is used, totally 6 in operated by rotary motion 3 covers, promptly bracing frame base and rigid bracing base and bracing frame respectively are provided with three and get final product.
Adopt said method that the high-altitude bracing frame is set, guaranteed the stability of bracing frame, solved because of special construction environment bracing frame bottom can't be provided with the anchoring measure, the top can't be provided with cable wind rope, and perhaps the bottom is provided with the anchoring measure and the top is provided with the high difficult problem of cable wind rope cost.As long as this bracing frame is provided with three axis, just can reaches turnover and use.The bracing frame less investment, cost is low, assembling and disassembling safety, easy.
Claims (5)
1. installation method of double movable support frames, it is characterized in that: this method comprises the steps:
1): measurement and positioning, the mounting plane position of sign base;
2): spread the thick stone flour layer of about 50mm in the mounting plane position of base, planeness is no more than 5mm;
3): press orientation axis in the mounting plane position bracing frame base (2) and rigid bracing base (1) are installed;
4):,, guarantee that perpendicularity deviation is less than 1/1000 with the verticality of taper liner iron (411) adjustment bracing frame at first standard knot (41) of bracing frame base (2) installation bracing frame (4);
5): rigid bracing base (1) is equipped with rigid bracing (3) with first standard knot (41) top;
6): second standard knot (42), the 3rd standard knot (43) and the non-standard joint (44) of bracing frame (4) are installed on first standard knot (4) successively, and the overall perpendicularity deviation of bracing frame (4) is not more than 10mm;
7):, bracing frame base (2 ') and rigid bracing base (1 ') and bracing frame (4 ') are installed by above step 1-6 at adjacent the 2nd axis place;
8): use 6 root system bars (6) that adjacent the 1st, 2 axis bracing frames (4,4 ') are coupled together, the link position of tie-rod (6) is the connection otic placode at each bracing frame (4) standard knot top.
2. a kind of installation method of double movable support frames according to claim 1 is characterized in that: step 2) before the mounting plane of base is tamped processing, basic planeness is no more than 20mm.
3. a kind of installation method of double movable support frames according to claim 1 is characterized in that: pre-buried four stone bolt on four angles of step 3) support frame as described above base (2), bracing frame (4) is connected with the base stone bolt.
4. a kind of installation method of double movable support frames according to claim 1 is characterized in that: establish the built-in fitting that band connects otic placode on the described rigid bracing base of step 5) (1), otic placode connects rigid bracing (3) with connecting bolt.
5. a kind of installation method of double movable support frames according to claim 1 is characterized in that: the other end of the described rigid bracing of step 5) (3) is connected with connecting bolt with the otic placode at first standard knot (41) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910214301A CN101761244A (en) | 2009-12-29 | 2009-12-29 | Installation method of double movable support frames |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910214301A CN101761244A (en) | 2009-12-29 | 2009-12-29 | Installation method of double movable support frames |
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| Publication Number | Publication Date |
|---|---|
| CN101761244A true CN101761244A (en) | 2010-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910214301A Pending CN101761244A (en) | 2009-12-29 | 2009-12-29 | Installation method of double movable support frames |
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| CN (1) | CN101761244A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003090A (en) * | 2015-08-18 | 2015-10-28 | 广西建工集团第五建筑工程有限责任公司 | Temporary support frame for mounting assembly type steel structure |
| CN108678421A (en) * | 2018-05-29 | 2018-10-19 | 哈尔滨工业大学 | A method of building collapse when avoiding inversely removing using prestressing force |
| CN111877773A (en) * | 2020-08-19 | 2020-11-03 | 中冶建工集团重庆钢结构有限公司 | Installation method of large-span annular pressure ring single-layer grid steel roof |
-
2009
- 2009-12-29 CN CN200910214301A patent/CN101761244A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105003090A (en) * | 2015-08-18 | 2015-10-28 | 广西建工集团第五建筑工程有限责任公司 | Temporary support frame for mounting assembly type steel structure |
| CN105003090B (en) * | 2015-08-18 | 2017-07-21 | 广西建工集团第五建筑工程有限责任公司 | Temporary support frame for mounting assembly type steel structure |
| CN108678421A (en) * | 2018-05-29 | 2018-10-19 | 哈尔滨工业大学 | A method of building collapse when avoiding inversely removing using prestressing force |
| CN108678421B (en) * | 2018-05-29 | 2020-06-09 | 哈尔滨工业大学 | Method for preventing building structure from collapsing during reverse dismantling by adopting prestress |
| CN111877773A (en) * | 2020-08-19 | 2020-11-03 | 中冶建工集团重庆钢结构有限公司 | Installation method of large-span annular pressure ring single-layer grid steel roof |
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Open date: 20100630 |