CN102191866A - Device and method for removal construction of vertical posts positioned on lower part of large-span net rack - Google Patents
Device and method for removal construction of vertical posts positioned on lower part of large-span net rack Download PDFInfo
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- CN102191866A CN102191866A CN201010128572XA CN201010128572A CN102191866A CN 102191866 A CN102191866 A CN 102191866A CN 201010128572X A CN201010128572X A CN 201010128572XA CN 201010128572 A CN201010128572 A CN 201010128572A CN 102191866 A CN102191866 A CN 102191866A
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Abstract
The invention relates to a device and method for the removal construction of vertical posts positioned on the lower part of a large-span net rack. The device comprises the large-span net rack, a temporary supporting structure, a fixed structure, an installation device and an operation scaffold, wherein the large-span net rack comprises a target removing support post, a pair of fixed support posts and a net rack top surface, wherein the pair of fixed support posts are arranged at both sides of the target removing support post, the net rack top surface is arranged on the upper ends of the pair of fixed support posts, and the pair of fixed support posts include a first fixed support post arranged at one side of the target removing support post and a second fixed support post arranged at the other side of the target removing support post; the temporary supporting structure is arranged between the net rack top surface and the ground; the fixed structure is fixedly arranged below the net rack top surface; the installation device comprises an autocrane and a pair of hoisting machines; and the operation scaffold is arranged on the bottom surface positioned below the large-span net rack, surrounds the temporary supporting structure and upwards extends to the lower side of the net rack top surface. The invention has the advantages of effectively controlling the risk of construction, realizing the transformation of building functions, meeting the requirements for construction safety and progress and reducing the construction cost.
Description
Technical field
The present invention relates to a kind of architectural engineering construction technique, be specifically related to a kind of large span grid lower pole and extract construction equipment and method thereof.
Background technology
In construction work, be steel work if need to implement building, and quite outmoded, it be framework that transformation process needs with old structure, depends on old structure, reconstructs venue in inside, the layout of its construction risk control and reasonable plan plays decisive role to the success or failure of engineering.The major defect of prior art is that construction speed is brought bigger influence, and increases construction cost.
In view of the above problems, the invention discloses a kind of large span grid lower pole and extract construction equipment and method thereof.It has technical characterictic as mentioned below, to solve existing problem.
Summary of the invention
The purpose of this invention is to provide a kind of large span grid lower pole and extract construction equipment and method thereof, it can satisfy the building function needs, extracts the construction technology of rack lower pole, satisfies the needs of engineering construction.
The purpose of a kind of furniture of the present invention is achieved through the following technical solutions: a kind of large span grid lower pole extracts construction equipment, comprises large span grid, temporary support structure, fixed structure, erecting device and operation pin hand; Described large span grid comprises target dismounting support column, is arranged on the rack end face that target is removed a pair of fixed support post of support column both sides and is arranged on above-mentioned support column upper end; Described a pair of fixed support post comprises that being arranged on target removes the first fixed support post of support column one side and be arranged on the second fixed support post that target is removed the support column opposite side, and the first fixed support post and the second fixed support post are removed the setting of support column bilateral symmetry in target; Described temporary support structure is arranged between rack end face and the ground; Described fixed structure is fixedly installed on rack end face below; Described erecting device comprises mobile crane and a pair of hoist engine, and described mobile crane is arranged on the ground of a side of large span grid, and a pair of hoist engine is separately positioned on rack end face and a pair of fixed support post intersection; Described operation pin hand is arranged on the bottom surface of below of large span grid, around temporary support structure, and extends upwardly to rack end face below.
Above-mentioned large span grid lower pole extracts construction equipment, wherein, described rack end face is made of many steel pipes that are crisscross arranged, one end of adjacent two steel pipe is fixed by grid node, and upper layer node and lower level node that the grid node at steel pipe two ends constitutes form netted rack end face.
Above-mentioned large span grid lower pole extracts construction equipment, wherein, fixedlying connected with the upper layer node of rack end face in the upper end of described a pair of fixed support post, is interval with eight lower level nodes between a pair of fixed support post altogether, and these eight lower level nodes constitute the support zone of large span grid.
Above-mentioned large span grid lower pole extracts construction equipment, and wherein, described temporary support structure comprises many temporary support columns, a plurality of jack and multi-disc pad; The upper end of described jack is arranged on the below of grid node, and separates by pad, and the upper end of described temporary support columns is arranged on the below of jack, and the relative position on grid node and ground is fixed.
Above-mentioned large span grid lower pole extracts construction equipment, and wherein, described pad is the steel plate bar.
Above-mentioned large span grid lower pole extracts construction equipment, and wherein, described fixed structure comprises steel case beam and a pair of steel corbel; The two ends of described steel case beam are shelved on respectively on a pair of steel corbel, and steel case beam is fixed on the below of rack end face, and and the rack end face between leave the space.
Above-mentioned large span grid lower pole extracts construction equipment, wherein, described a pair of steel corbel is arranged on the below of rack end face, and a pair of steel corbel comprises installing and is welded on first steel corbel on the first fixed support post and is arranged on second steel corbel on the second fixed support post.
Above-mentioned large span grid lower pole extracts construction equipment, and wherein, described steel case beam length is a 20-30 rice.
Above-mentioned large span grid lower pole extracts construction equipment, wherein, also comprises a wireless monitoring device, and described wireless monitoring device comprises monitoring side and display end; The monitoring side is arranged on the pad, is used for the distance between real-time monitoring patch and the ground, and display end is arranged on a side of large span grid, is used for showing in real time the variable in distance situation between pad and the ground.
A kind of large span grid lower pole extracts job practices, and wherein, this method may further comprise the steps at least:
Step 6 is installed a pair of steel corbel on a pair of fixed support post, and is shelved on a pair of steel corbel with mobile crane and a pair of hoist engine two ends with steel case beam.
Step 7, target are removed the permanent support point of a pair of spherical node of the crossing spherical node of support column and rack end face and these spherical node both sides as the rack end face, and are supported on the steel case beam by permanent support.
Step 8 is removed temporary support structure.
Step 9, after temporary support structure had been installed, the monitoring side with monitoring device was installed on the pad simultaneously, is used for the height on monitoring patch and ground, and in real time monitoring step 3 to step 8 is carried out the height change on Intermediate gasket and ground, and height change is shown at display end.
Large span grid lower pole of the present invention extracts construction equipment and method thereof owing to adopted such scheme, makes it compared with prior art, has following advantage and good effect:
1, large span grid lower pole of the present invention extracts construction equipment and method thereof owing to adopt and take out the column bracket beam and be aided with wireless monitor, has effectively controlled the risk in the work progress.
2, large span grid lower pole of the present invention extracts the conversion that construction equipment and method thereof have realized building function, and design, construction are complemented each other, and has both satisfied construction safety and progress, has reduced construction cost from measure, has realized doing hardworking and thrifty dustrious and thrifty in managing one's household rich theory; Guaranteed the whole construction progress.
3, large span grid lower pole of the present invention extracts construction equipment and method is simple to operate, and cost is low, is easy to popularization and application, especially is fit to the construction of various large stadiums.
Below, will be described further by specific embodiment, yet embodiment only is giving an example of alternative embodiment of the present invention that its disclosed feature only is used for explanation and sets forth technical scheme of the present invention, and is not intended to limit the scope of the invention.
Description of drawings
For a better understanding of the present invention, the accompanying drawing for your guidance that can quote with reference to this manual, in the accompanying drawing:
Fig. 1 is that large span grid lower pole of the present invention extracts the target dismounting support column of construction equipment and the structural representation of mobile crane and rack end face.
Fig. 2 is that large span grid lower pole of the present invention extracts the rack end face of construction equipment and the structural representation of temporary support structure.
Fig. 3 is the location diagram that large span grid lower pole of the present invention extracts each device of rack end face below of construction equipment.
Fig. 4 is the structural representation that large span grid lower pole of the present invention extracts the not mount fixing structure of construction equipment.
Fig. 5 is the structural representation after large span grid lower pole of the present invention extracts the mount fixing structure of construction equipment.
Fig. 6 large span grid lower pole of the present invention extracts the partial enlarged drawing of construction equipment.
Fig. 7 is the flow chart of steps that large span grid lower pole of the present invention extracts job practices.
The specific embodiment
According to claim of the present invention and the disclosed content of summary of the invention, technical scheme of the present invention is specific as follows described.
See also shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4 and the accompanying drawing 5, large span grid lower pole of the present invention extracts the construction that construction equipment is applied to large stadium, and it comprises large span grid 1, temporary support structure 2, fixed structure 3, erecting device 4 and operation pin hand 5; Large span grid 1 comprises target dismounting support column 11, is arranged on the rack end face 12 that target is removed a pair of fixed support post of support column 11 both sides and is arranged on above-mentioned support column upper end; A pair of fixed support post comprises that being arranged on target removes the first fixed support post 13 of support column 11 1 sides and be arranged on the second fixed support post, 14, the first fixed support posts 13 that target removes support column 11 opposite sides and the second fixed support post 14 in the 11 bilateral symmetry settings of target dismounting support column; Temporary support structure 2 is arranged between rack end face 12 and the ground; Fixed structure 3 is fixedly installed on rack end face 12 belows; Erecting device 4 comprises mobile crane 41 and a pair of hoist engine 42, mobile crane 41 is arranged on the ground of a side of large span grid 1, mobile crane 41 be used to lifting steel case beam 31 and remove target remove support column 11 execute hang used, a pair of hoist engine 42 is separately positioned on rack end face 12 and a pair of fixed support post intersection, the stay cord of a pair of hoist engine 42 is arranged in a crossed manner respectively at the two ends of steel case beam 31, simultaneously steel case beam 31 is lifted to assigned address; Operation pin hand 5 is arranged on the bottom surface of below of large span grid 1, around temporary support structure 2, and extends upwardly to rack end face 12 belows.Operation pin hand 5 is as personnel's passage up and down.
Fixed structure 3 comprises steel case beam 31 and a pair of steel corbel; The two ends of steel case beam 31 are shelved on respectively on a pair of steel corbel, and steel case beam 31 is fixed on the below of rack end face 12, and and rack end face 12 between leave the space.A pair of steel corbel 32 is arranged on the below of rack end face 12, and a pair of steel corbel comprises installing and is welded on first steel corbel 32 on the first fixed support post 13 and is arranged on second steel corbel 33 on the second fixed support post 14.Steel case beam 31 length ranges are 20-30 rice, in the present embodiment, and for guaranteeing the space requirement of bottom master's stage and auditorium, according to designing requirement, steel case beam 31 rises to assigned address, and on steel case beam 31 three permanent supports is set, 24 meters of steel case beam 31 preferred lengths.
Also comprise a wireless monitoring device (not shown), wireless monitoring device comprises monitoring side and display end; The monitoring side is arranged on the pad 23, is used for the distance between real-time monitoring patch 23 and the ground, and display end is arranged on a side of large span grid 1, is used for showing in real time the variable in distance situation between pad 23 and the ground.
See also shown in accompanying drawing 6 and the accompanying drawing 7, the large span grid lower pole extracts job practices and may further comprise the steps at least:
Step 6 is installed a pair of steel corbel on a pair of fixed support post, and is shelved on a pair of steel corbel with mobile crane 41 and a pair of hoist engine two ends with steel case beam 31.
Step 7, the spherical node that target dismounting support column 11 and rack end face 12 intersect and a pair of spherical node of these spherical node both sides are as three permanent support points 123 of rack end face 12, and by being connected three three permanent support 124 of steel pipes formation on the permanent support point, the spherical node that is used for grid frame supported end face 12, be supported on the steel case beam 31, prevent large span grid 1 distortion.
Step 8 is removed temporary support structure 2.
Step 9, after temporary support structure 2 has been installed, monitoring side with monitoring device is installed on the pad 23 simultaneously, the height that is used for monitoring patch 23 and ground, and real-time monitoring step 3 to step 8 is carried out the height change on Intermediate gasket 23 and ground, height change is shown at display end, so as in construction the height of real-time monitored large span grid 1 and distortion situation.
In sum, large span grid lower pole of the present invention extracts construction equipment and method is aided with wireless monitor because the column bracket beam is taken out in employing, has effectively controlled the risk in the work progress; The present invention has realized the conversion of building function, and design, construction are complemented each other, and has both satisfied construction safety and progress, has reduced construction cost from measure, has realized doing hardworking and thrifty dustrious and thrifty in managing one's household rich theory; Guaranteed the whole construction progress; The present invention is simple to operate, and cost is low, is easy to popularization and application, especially is fit to the construction of various large stadiums.
Foregoing extracts the enumerating of specific embodiment of construction equipment and method thereof for large span grid lower pole of the present invention, for the wherein not equipment of detailed description and structure, should be understood to take existing common apparatus in this area and universal method to be implemented.
Claims (10)
1. a large span grid lower pole extracts construction equipment, it is characterized in that: comprise large span grid (1), temporary support structure (2), fixed structure (3), erecting device (4) and operation pin hand (5); Described large span grid (1) comprises target dismounting support column (11), is arranged on the rack end face (12) that target is removed a pair of fixed support post of support column both sides and is arranged on above-mentioned support column upper end; Described a pair of fixed support post comprises that being arranged on target removes the first fixed support post (13) of support column (11) one sides and be arranged on the second fixed support post (14) that target is removed support column (11) opposite side, and the first fixed support post (13) is removed support column (11) bilateral symmetry setting with the second fixed support post (14) in target; Described temporary support structure (2) is arranged between rack end face (12) and the ground; Described fixed structure (3) is fixedly installed on rack end face (12) below; Described erecting device (4) comprises mobile crane (41) and a pair of hoist engine (42), described mobile crane (41) is arranged on the ground of a side of large span grid (1), and a pair of hoist engine (42) is separately positioned on rack end face (12) and a pair of fixed support post intersection; Described operation pin hand (5) is arranged on the bottom surface of below of large span grid (1), around temporary support structure (2), and extends upwardly to rack end face (12) below.
2. large span grid lower pole according to claim 1 extracts construction equipment, it is characterized in that: described rack end face (12) is made of many steel pipes that are crisscross arranged, one end of adjacent two steel pipe is fixed by grid node, and upper layer node (121) that the grid node at steel pipe two ends constitutes and lower level node (122) form netted rack end face (12).
3. large span grid lower pole according to claim 1 and 2 extracts construction equipment, it is characterized in that: fixedly connected with the upper layer node (121) of rack end face (12) in the upper end of described a pair of fixed support post, be interval with eight lower level nodes (122) between a pair of fixed support post altogether, these eight lower level nodes (122) constitute the support zone of large span grid (1).
4. large span grid lower pole according to claim 1 extracts construction equipment, it is characterized in that: described temporary support structure (2) comprises many temporary support columns (21), a plurality of jack (22) and multi-disc pad (23); The upper end of described jack (22) is arranged on the below of grid node, and separates by pad (23), and the upper end of described temporary support columns (21) is arranged on the below of jack (22), and the relative position on grid node and ground is fixed.
5. large span grid lower pole according to claim 4 extracts construction equipment, it is characterized in that: described pad (23) is the steel plate bar.
6. large span grid lower pole according to claim 1 extracts construction equipment, it is characterized in that: described fixed structure (3) comprises steel case beam (31) and a pair of steel corbel; The two ends of described steel case beam (31) are shelved on respectively on a pair of steel corbel, and steel case beam (31) is fixed on the below of rack end face (12), and and rack end face (12) between leave the space.
7. large span grid lower pole according to claim 6 extracts construction equipment, it is characterized in that: described a pair of steel corbel is arranged on the below of rack end face (12), and a pair of steel corbel comprises installing and is welded on first steel corbel (32) on the first fixed support post (13) and is arranged on second steel corbel (33) on the second fixed support post (14).
8. large span grid lower pole according to claim 6 extracts construction equipment, it is characterized in that: described steel case beam (31) length is 20-30 rice.
9. large span grid lower pole according to claim 1 extracts construction equipment, it is characterized in that: also comprise a wireless monitoring device, described wireless monitoring device comprises monitoring side and display end; The monitoring side is arranged on the pad (23), is used for the distance between real-time monitoring patch (23) and the ground, and display end is arranged on a side of large span grid (1), is used for showing in real time the variable in distance situation between pad (23) and the ground.
10. a large span grid lower pole according to claim 1 extracts job practices, and it is characterized in that: this method may further comprise the steps at least:
Step 1 is removed the roofing load on large span grid (1) top;
Step 2 is reinforced rack end face (12) and grid node;
Step 3 supports with temporary support structure (2) the support zone of large span grid (1) temporarily;
Step 4 is reinforced a pair of fixed support post;
Step 5 is removed and is arranged on the middle target dismounting support column (11) of a pair of fixed support post;
Step 6 is installed a pair of steel corbel on a pair of fixed support post, and is shelved on a pair of steel corbel with mobile crane (41) and a pair of hoist engine (42) two ends with steel case beam (31);
Step 7, target is removed the permanent support point (123) of a pair of spherical node of spherical node that support column (11) and rack end face (12) intersect and these spherical node both sides as rack end face (12), and is supported on the steel case beam (31) by permanent support (124);
Step 8 is removed temporary support structure (2);
Step 9, after temporary support structure (2) has been installed, monitoring side with monitoring device is installed on the pad (23) simultaneously, the height that is used for monitoring patch (23) and ground, and in real time monitoring step 3 to step 8 is carried out the height change on Intermediate gasket (23) and ground, and height change is shown at display end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010128572XA CN102191866A (en) | 2010-03-19 | 2010-03-19 | Device and method for removal construction of vertical posts positioned on lower part of large-span net rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010128572XA CN102191866A (en) | 2010-03-19 | 2010-03-19 | Device and method for removal construction of vertical posts positioned on lower part of large-span net rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102191866A true CN102191866A (en) | 2011-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010128572XA Pending CN102191866A (en) | 2010-03-19 | 2010-03-19 | Device and method for removal construction of vertical posts positioned on lower part of large-span net rack |
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| CN (1) | CN102191866A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982051A (en) * | 2014-05-28 | 2014-08-13 | 扬州大学 | Historic building slanting timber frame tensioning jacking resetting device |
| CN107939034A (en) * | 2017-12-01 | 2018-04-20 | 江苏沪宁钢机股份有限公司 | A kind of safety and stability type operating platform and assembling method |
| CN111021779A (en) * | 2019-12-19 | 2020-04-17 | 中建科工集团有限公司 | Integral descending and dismantling construction method for space net rack and auxiliary supporting mechanism |
| CN112663792A (en) * | 2020-12-07 | 2021-04-16 | 上海市机械施工集团有限公司 | Construction method of large overhanging multi-surface folded plate diamond body reticulated shell steel structure |
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| CN1358919A (en) * | 2002-01-18 | 2002-07-17 | 崔旭中 | Method for drawing out bean and prop of workshop without stopping production |
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| CN1358919A (en) * | 2002-01-18 | 2002-07-17 | 崔旭中 | Method for drawing out bean and prop of workshop without stopping production |
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| 周华林: "上海世博浦西综艺大厅改建工程中的抽柱托梁施工技术", 《建筑施工》 * |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982051A (en) * | 2014-05-28 | 2014-08-13 | 扬州大学 | Historic building slanting timber frame tensioning jacking resetting device |
| CN103982051B (en) * | 2014-05-28 | 2016-01-20 | 扬州大学 | Resetting means is shored in the stretch-draw of ancient building askew sudden strain of a muscle timber frame |
| CN107939034A (en) * | 2017-12-01 | 2018-04-20 | 江苏沪宁钢机股份有限公司 | A kind of safety and stability type operating platform and assembling method |
| CN107939034B (en) * | 2017-12-01 | 2023-09-08 | 江苏沪宁钢机股份有限公司 | Safe and stable type operation platform and assembling method |
| CN111021779A (en) * | 2019-12-19 | 2020-04-17 | 中建科工集团有限公司 | Integral descending and dismantling construction method for space net rack and auxiliary supporting mechanism |
| CN112663792A (en) * | 2020-12-07 | 2021-04-16 | 上海市机械施工集团有限公司 | Construction method of large overhanging multi-surface folded plate diamond body reticulated shell steel structure |
| CN112663792B (en) * | 2020-12-07 | 2022-05-20 | 上海市机械施工集团有限公司 | Construction method of large-scale overhanging multi-surface folded plate diamond body reticulated shell steel structure |
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Address after: 200120 Shanghai city Pudong New Area Fushan Road No. 33 Applicant after: Shanghai Construction NO.5 (Group) Co., Ltd. Address before: 200120 Shanghai city Pudong New Area Fushan Road No. 33 Applicant before: Shanghai No.5 Construction Co., Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: SHANGHAI NO.5 BUILDING CO., LTD. TO: SHANGHAI CONSTRUCTION NO. 5 (GROUP) CO., LTD. |
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Application publication date: 20110921 |