CN101509380B - Ultra-large diameter integral slide metal matrix for vertical shaft well bore concrete construction - Google Patents
Ultra-large diameter integral slide metal matrix for vertical shaft well bore concrete construction Download PDFInfo
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- CN101509380B CN101509380B CN2009100738838A CN200910073883A CN101509380B CN 101509380 B CN101509380 B CN 101509380B CN 2009100738838 A CN2009100738838 A CN 2009100738838A CN 200910073883 A CN200910073883 A CN 200910073883A CN 101509380 B CN101509380 B CN 101509380B
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Abstract
The present invention discloses a super large diameter metal form which is capable of moving as a whole and applied to concrete construction of a vertical shaft body. The metal form comprises a plurality of basic forms, a necking left form and a necking right form; the upper parts of all the basic forms are provided with matched casting opening forms; plural suspension devices are arranged at the upper part of the casting opening form. The super large diameter metal form of the present invention features simple structure, stable performance, safety and reliability, simple, convenient and easy operation, few constructors, low labor intensity, high operation efficiency, short construction period, high construction quality, low construction cost and good benefit.
Description
Technical field
The present invention relates to a kind of shaft of vertical well concrete construction device, especially a kind of ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction.
Background technology
Along with the large scale mining of China recent years to coal resources, superficial part coal seam New Built Mine reduces gradually at present, need develop the mineral resources that are imbedded in the deep, therefore, the construction of carrying out the extensive type mine in deep will be the direction of our next step exploitation of colliery unit.Though present vertical mechanized construction technology is comparative maturity, the clean diameter of pit shaft of construction generally is no more than 8 meters, and diameter is fewer in China above 9 meters pit shaft.Continuous expansion along with the coal mine type, the clean diameter of shaft of vertical well is designed and developed greater than 9 meters begin, so in order to satisfy the demand of carrying out the supporting rapid construction equipment of the dark vertical of super-large diameter deficiency, designing a kind of ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction, is the technical problem of being badly in need of solution at present.
Summary of the invention
Technical problem to be solved by this invention provides a kind of ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction.
The technical scheme that the present invention solves its technical problem is:
A kind of ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction, the described ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction is assembled by polylith basic templates, a reducing left side template and the right template of reducing, the pouring mouth template of coupling all is installed on the top of all basic templates, a plurality of suspension apparatus is installed on the top of pouring mouth template.
The technical scheme that the present invention solves its technical problem can also be:
The work plane of the basic templates of the present invention except that reducing left side template and the right template of reducing is a cambered plate, top cross in the cambered plate inboard is provided with upper cover plate, bottom transverse in the cambered plate inboard is provided with lower cover, left side at cambered plate vertically is provided with left side plate, right side at cambered plate vertically is provided with right side plate, the vertical view extended line of left side plate and right side plate is given the center of circle of the vertical view of cambered plate, cambered plate, upper cover plate, lower cover, left side plate and right side plate constitute " [" type frame, between upper cover plate and lower cover, be provided with the polylith dividing plate, the quantity of dividing plate is even number, it is right that per from top to bottom two dividing plates constitute a dividing plate, each dividing plate right on be provided with inner arc plate between the lower clapboard, dividing plate between be evenly equipped with a plurality of T-shape reinforcing ribs, also be evenly equipped with a plurality of T-shape reinforcing ribs going up most between a dividing plate and upper cover plate and the most next dividing plate and the lower cover, between a plurality of T-shape reinforcing ribs of going up most between a dividing plate and the upper cover plate, circumferentially be provided with the interface gusset plate, between a plurality of T-shape reinforcing ribs between the most next dividing plate and the lower cover, circumferentially be provided with the lower interface gusset plate.
The quantity of the dividing plate that the present invention is provided with between upper cover plate and lower cover is 6, and it is right to constitute 3 dividing plates, and every layer T-shape reinforcing rib number is 5.
The structure of reducing of the present invention left side template is formed, comprise the cambered plate same with above-mentioned basic templates, upper cover plate, lower cover, left side plate, dividing plate, last interface gusset plate and lower interface gusset plate, spacing between the T-shape reinforcing rib of the gap ratio basic templates between the described T-shape reinforcing rib is little, the T-shape reinforcing rib relies on left side plate, reinforcing rib of high order end becomes " " by T-shape " type; reducing left side template does not have right side plate; only be provided with inner arc plate between middle two dividing plates; inner arc plate has only from left end to " " " the type reinforcing rib, between the right-hand member of inner arc plate and cambered plate, vertically be provided with gusset, last, following two " " " inner surface of type reinforcing rib and inner arc plate right part is provided with the oil cylinder cross connecting plate; the oil cylinder cross connecting plate is provided with installing hole; last; following two; " " " right flank of type reinforcing rib and described gusset is provided with free bearing, last, following two pairs of dividing plates between be close to cambered plate and be provided with interior gusset plate, be provided with left interface board in the two dividing plate right parts corresponding, 7 construction annex installing holes are arranged in the right part from following several second and the 3rd dividing plate with described T-shape reinforcing rib.
Left interface board of the present invention only is arranged on and counts two corresponding dividing plate right parts of second layer T-shape reinforcing rib down.
The structure of the right template of reducing of the present invention is formed, comprise the cambered plate same with described basic templates, upper cover plate, lower cover, right side plate, dividing plate, last interface gusset plate and lower interface gusset plate, spacing between the T-shape reinforcing rib of the gap ratio basic templates between the described T-shape reinforcing rib is little, the T-shape reinforcing rib relies on right side plate, reinforcing rib of low order end becomes " L " type by T-shape, the right template of reducing does not have left side plate, only between middle two dividing plates, be provided with inner arc plate, inner arc plate has only from right-hand member to " L " type reinforcing rib, between the left end of inner arc plate and cambered plate, vertically be provided with gusset, last, the inner surface of following two " L " type reinforcing ribs and inner arc plate left part is provided with the oil cylinder cross connecting plate, the oil cylinder cross connecting plate is provided with installing hole, last, the left surface of following two " L " type reinforcing ribs and described gusset is provided with free bearing, last, following two pairs of dividing plates between be close to cambered plate and be provided with interior gusset plate, be provided with right interface board in the two dividing plate right parts corresponding with described T-shape reinforcing rib, from the left part of several second and the 3rd dividing plate 7 construction annex installing holes are arranged.
Right interface board of the present invention only is arranged on and two corresponding dividing plate left parts of last several second layer T-shape reinforcing ribs.
Pouring mouth template of the present invention is made of conical surface plate, pouring mouthful upper cover plate, pouring mouthful left side plate and a pouring mouthful right side plate, conical surface plate, a pouring mouthful upper cover plate, pouring mouthful left side plate and pouring mouthful right side plate form " " " type frustum shell; in that " be provided with a plurality of rhombus reinforcing ribs in the chamber of " " type frustum shell, the diameter of frustum bottom is the same with the diameter of basic templates, reducing left side template and reducing right side template.
Flat " mouth " font body that suspension apparatus of the present invention is made of preceding lifting plate, back lifting plate, left shrouding and right shrouding, preceding lifting plate and back lifting plate are provided with the hole for hoist of symmetry, and its left side was concordant with the cambered plate of template when suspension apparatus was installed.
The present invention is evenly distributed with 8 suspension apparatus on the top of pouring mouth template.
Technical essential of the present invention:
1, connects to form in turn by polylith template piece
2, uncovered cast is carried out at template upper design annular sprue gate
3, adopting YJM type list seam hydraulically extensible integral body to move down the formula metal form is formed steel construction
4, two shrinkage joints of symmetry are arranged, shrink simultaneously during the demoulding
5, be provided with 8 point of suspension and form the suspention of 4 point " people " words
Using method explanation of the present invention:
1, sets for this platform at the construction field (site) before the use, the template piece is assembled into annular template in order in turn, and adjust size to design size;
2, after the template assembling is finished, after formwork integral is slipped to the relevant position, carry out levelling capturing work;
3, all preparations are finished, and carry out uncovered cast;
4, casting complete, concrete setting is carried out demoulding work to a certain degree, and the demoulding is inwardly to shrink simultaneously by 6 hydraulic jacks that are installed in both sides, two shrinkage joint of symmetry, drive template and in elastic range, produce deformation, under the template self gravitation, carry out the demoulding simultaneously;
5, the demoulding is finished, and carries out next one circulation, and method is the same.
6, exist monocline face projective table type to connect stubble between twice circulations, utilize the space pour concrete between the template and the borehole wall when connecing batch and make firm by ramming, connecing a batch template height is 250mm, connects a batch boss and manually brushes with pneumatic pick on hanging scaffold.
The invention has the beneficial effects as follows:
Simple in structure, stable performance, safe and reliable, simple and easy to do, reduce personnel, reduced labour intensity, increase work efficiency, reduction of erection time, raising construction quality, save cost, increase benefit.
Description of drawings
Fig. 1 is a structural representation front view of the present invention (sectional view)
Fig. 2 is that Figure 1A-A is to sectional view
Fig. 3 is the front view (sectional view) of part 5 of the present invention
Fig. 4 is that Fig. 3 B-B is to sectional view
Fig. 5 is Fig. 3 A-A place sectional drawing
Fig. 6 is the front view (sectional view) of part 4 of the present invention
Fig. 7 is that Fig. 6 C-C is to sectional view
Fig. 8 is Fig. 6 B-B place sectional drawing
Fig. 9 is that Fig. 6 A-A is to partial sectional view
Figure 10 is the front view (sectional view) of part 1 of the present invention
Figure 11 is that Figure 10 B-B is to sectional view
Figure 12 is Figure 10 A-A place sectional drawing
Figure 13 is the front view (sectional view) of part 3 of the present invention
Figure 14 is the vertical view of Figure 13
Figure 15 is that Figure 13 A-A is to sectional view
Figure 16 is the front view of part 2 of the present invention
Figure 17 is the left view of Figure 16
Figure 18 is the vertical view of Figure 16
Figure 19 is that Figure 10 C-C is to partial sectional view
The specific embodiment
A kind of ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction, it is characterized in that: the described ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction is assembled by polylith basic templates 5, a reducing left side template 4 and the right template 1 of reducing, the pouring mouth template 3 of coupling all is installed on the top of all basic templates 5, a plurality of suspension apparatus 2 is installed on the top of pouring mouth template 3.
The work plane of the basic templates 5 except that reducing left side template 4 and the right template 1 of reducing is a cambered plate 6, top cross in cambered plate 6 inboards is provided with upper cover plate 8, bottom transverse in cambered plate 6 inboards is provided with lower cover 9, left side at cambered plate 6 vertically is provided with left side plate 14, right side at cambered plate 6 vertically is provided with right side plate 13, the vertical view extended line of left side plate 14 and right side plate 13 is given the center of circle of the vertical view of cambered plate 6, cambered plate 6, upper cover plate 8, lower cover 9, left side plate 14 and right side plate 13 constitute " [" type frame, between upper cover plate 8 and lower cover 9, be provided with polylith dividing plate 7, the quantity of dividing plate 7 is even number, it is right that per from top to bottom two dividing plates constitute a dividing plate, each dividing plate right on be provided with inner arc plate 10 between the lower clapboard, dividing plate between be evenly equipped with a plurality of T-shape reinforcing ribs 15, also be evenly equipped with a plurality of T-shape reinforcing ribs 15 going up most between a dividing plate and upper cover plate 8 and the most next dividing plate and the lower cover 9, between a plurality of T-shape reinforcing ribs of going up most between a dividing plate and the upper cover plate 8, circumferentially be provided with interface gusset plate 11, between a plurality of T-shape reinforcing ribs between the most next dividing plate and the lower cover 9, circumferentially be provided with lower interface gusset plate 12.
The quantity of the dividing plate 7 that is provided with between upper cover plate 8 and lower cover 9 is 6, and it is right to constitute 3 dividing plates, and every layer T-shape reinforcing rib number is 5.
The structure of described reducing left side template 4 is formed, comprise the cambered plate 6 same with above-mentioned basic templates 5, upper cover plate 8, lower cover 9, left side plate 14, dividing plate 7, last interface gusset plate 11 and lower interface gusset plate 12, spacing between the T-shape reinforcing rib of the gap ratio basic templates 5 between the described T-shape reinforcing rib is little, the T-shape reinforcing rib relies on left side plate 14, reinforcing rib of high order end becomes " " by T-shape " type; reducing left side template 4 does not have right side plate; only be provided with inner arc plate 10 between middle two dividing plates; inner arc plate 10 has only from left end to " " " the type reinforcing rib, between the right-hand member of inner arc plate 10 and cambered plate 6, vertically be provided with gusset 19, last, following two " " " inner surface of type reinforcing rib and inner arc plate 10 right parts is provided with oil cylinder cross connecting plate 16; oil cylinder cross connecting plate 16 is provided with installing hole; last; following two " " " right flank of type reinforcing rib and described gusset 19 is provided with free bearing 17, last, following two pairs of dividing plates between be close to cambered plate 6 be provided with in gusset plate 20, be provided with left interface board 18 in the two dividing plate right parts corresponding, 7 construction annex installing holes are arranged in the right part from following several second and the 3rd dividing plate with described T-shape reinforcing rib.
18 of described left interface boards are arranged on and count two corresponding dividing plate right parts of second layer T-shape reinforcing rib down.
The structure of the right template 1 of described reducing is formed, comprise the cambered plate 6 same with described basic templates 5, upper cover plate 8, lower cover 9, right side plate 13, dividing plate 7, last interface gusset plate 11 and lower interface gusset plate 12, spacing between the T-shape reinforcing rib of the gap ratio basic templates 5 between the described T-shape reinforcing rib is little, the T-shape reinforcing rib relies on right side plate 13, reinforcing rib of low order end becomes " L " type by T-shape, the right template 1 of reducing does not have left side plate, only between middle two dividing plates, be provided with inner arc plate 10, inner arc plate 10 has only from right-hand member to " L " type reinforcing rib, between the left end of inner arc plate 10 and cambered plate 6, vertically be provided with gusset 19, last, the inner surface of following two " L " type reinforcing ribs and inner arc plate 10 left parts is provided with oil cylinder cross connecting plate 16, oil cylinder cross connecting plate 16 is provided with installing hole, last, the left surface of following two " L " type reinforcing ribs and described gusset 19 is provided with free bearing 17, last, following two pairs of dividing plates between be close to cambered plate 6 be provided with in gusset plate 20, be provided with right interface board 21 in the two dividing plate right parts corresponding with described T-shape reinforcing rib, from the left part of several second and the 3rd dividing plate 7 construction annex installing holes are arranged.
21 of described right interface boards are arranged on and two corresponding dividing plate left parts of last several second layer T-shape reinforcing ribs.
Described pouring mouth template 3 is made of conical surface plate 22, pouring mouthful upper cover plate 23, pouring mouthful left side plate 26 and a pouring mouthful right side plate 25, conical surface plate 22, a pouring mouthful upper cover plate 23, pouring mouthful left side plate 26 and pouring mouthful right side plate 25 form " " " type frustum shell; in that " be provided with a plurality of rhombus reinforcing ribs 24 in the chamber of " " type frustum shell, the diameter of frustum bottom is the same with the diameter of basic templates 5, reducing left side template 4 and reducing right side template 1.
Flat " mouth " font body that described suspension apparatus 2 is made of preceding lifting plate 28, back lifting plate 27, left shrouding 30 and right shrouding 29, preceding lifting plate 28 and back lifting plate 27 are provided with the hole for hoist of symmetry, and its left side was concordant with the cambered plate 6 of template when suspension apparatus 2 was installed.
10, the ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction according to claim 8 is characterized in that: the top at the pouring mouth template is evenly distributed with 8 suspension apparatus 2.
Claims (10)
1. ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction, it is characterized in that: the described ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction is assembled by polylith basic templates (5), reducing left side template (4) and a reducing right side template (1), the pouring mouth template (3) of coupling all is installed on the top of all basic templates (5), a plurality of suspension apparatus (2) is installed on the top of pouring mouth template (3).
2. according to the described ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction of claim l, it is characterized in that: the work plane of the basic templates (5) except that reducing left side template (4) and the right template of reducing (1) is cambered plate (6), the top cross inboard at cambered plate (6) is provided with upper cover plate (8), the bottom transverse inboard at cambered plate (6) is provided with lower cover (9), vertically be provided with left side plate (14) in the left side of cambered plate (6), vertically be provided with right side plate (13) on the right side of cambered plate (6), the vertical view extended line of left side plate (14) and right side plate (13) is given the center of circle of the vertical view of cambered plate (6), cambered plate (6), upper cover plate (8), lower cover (9), left side plate (14) and right side plate (13) constitute " [" type frame, between upper cover plate (8) and lower cover (9), be provided with polylith dividing plate (7), the quantity of dividing plate (7) is even number, it is right that per from top to bottom two dividing plates constitute a dividing plate, each dividing plate right on be provided with inner arc plate (10) between the lower clapboard, dividing plate between be evenly equipped with a plurality of T-shape reinforcing ribs (15), also be evenly equipped with a plurality of T-shape reinforcing ribs (15) going up most between a dividing plate and upper cover plate (8) and the most next dividing plate and the lower cover (9), between a plurality of T-shape reinforcing ribs of going up most between a dividing plate and the upper cover plate (8), circumferentially be provided with interface gusset plate (11), between a plurality of T-shape reinforcing ribs between the most next dividing plate and the lower cover (9), circumferentially be provided with lower interface gusset plate (12).
3. the ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction according to claim 2, it is characterized in that: the quantity of the dividing plate (7) that is provided with between upper cover plate (8) and lower cover (9) is 6, it is right to constitute 3 dividing plates, and every layer T-shape reinforcing rib number is 5.
4. the ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction according to claim 3, it is characterized in that: the structure of described reducing left side template (4) is formed, comprise the cambered plate (6) same with above-mentioned basic templates (5), upper cover plate (8), lower cover (9), left side plate (14), dividing plate (7), last interface gusset plate (11) and lower interface gusset plate (12), spacing between the T-shape reinforcing rib of the gap ratio basic templates (5) between the described T-shape reinforcing rib is little, the T-shape reinforcing rib relies on left side plate (14), reinforcing rib of high order end becomes " " by T-shape " type; reducing left side template (4) does not have right side plate; only be provided with inner arc plate (10) between middle two dividing plates; inner arc plate (10) has only from left end to " " " the type reinforcing rib, between the right-hand member of inner arc plate (10) and cambered plate (6), vertically be provided with gusset (19), last, following two " " " inner surface of type reinforcing rib and inner arc plate (10) right part is provided with oil cylinder cross connecting plate (16); oil cylinder cross connecting plate (16) is provided with installing hole; last; following two " " " right flank of type reinforcing rib and described gusset (19) is provided with free bearing (17), last, following two pairs of dividing plates between be close to cambered plate (6) and be provided with interior gusset plate (20), be provided with left interface board (18) in the two dividing plate right parts corresponding, 7 construction annex installing holes are arranged in the right part from following several second and the 3rd dividing plate with described T-shape reinforcing rib.
5. the ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction according to claim 4 is characterized in that: described left interface board (18) only is arranged on and counts two corresponding dividing plate right parts of second layer T-shape reinforcing rib down.
6. the ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction according to claim 5, it is characterized in that: the structure of the right template of described reducing (1) is formed, comprise the cambered plate (6) same with described basic templates (5), upper cover plate (8), lower cover (9), right side plate (13), dividing plate (7), last interface gusset plate (11) and lower interface gusset plate (12), spacing between the T-shape reinforcing rib of the gap ratio basic templates (5) between the described T-shape reinforcing rib is little, the T-shape reinforcing rib relies on right side plate (13), reinforcing rib of low order end becomes " L " type by T-shape, the right template of reducing (1) does not have left side plate, only between middle two dividing plates, be provided with inner arc plate (10), inner arc plate (10) has only from right-hand member to " L " type reinforcing rib, between the left end of inner arc plate (10) and cambered plate (6), vertically be provided with gusset (19), last, the inner surface of following two " L " type reinforcing ribs and inner arc plate (10) left part is provided with oil cylinder cross connecting plate (16), oil cylinder cross connecting plate (16) is provided with installing hole, last, the left surface of following two " L " type reinforcing ribs and described gusset (19) is provided with free bearing (17), last, following two pairs of dividing plates between be close to cambered plate (6) and be provided with interior gusset plate (20), be provided with right interface board (21) in the two dividing plate right parts corresponding with described T-shape reinforcing rib, from the left part of several second and the 3rd dividing plate 7 construction annex installing holes are arranged.
7. the ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction according to claim 6 is characterized in that: described right interface board (21) only is arranged on and two corresponding dividing plate left parts of last several second layer T-shape reinforcing ribs.
8. the ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction according to claim 7, it is characterized in that: described pouring mouth template (3) is by conical surface plate (22), pouring mouthful upper cover plate (23), pouring mouthful left side plate (26) and pouring mouthful right side plate (25) constitutes, conical surface plate (22), pouring mouthful upper cover plate (23), pouring mouthful left side plate (26) and pouring mouthful right side plate (25) forms " " " type frustum shell; " be provided with a plurality of rhombus reinforcing ribs (24) in the chamber of " " type frustum shell, the diameter and the basic templates (5) of frustum bottom, reducing left side template (4) is the same with the diameter of the right template of reducing (1).
9. the ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction according to claim 8, it is characterized in that: flat " mouth " font body that described suspension apparatus (2) is made of preceding lifting plate (28), back lifting plate (27), left shrouding (30) and right shrouding (29), preceding lifting plate (28) and back lifting plate (27) are provided with the hole for hoist of symmetry, and its left side was concordant with the cambered plate (6) of template when suspension apparatus (2) was installed.
10. the ultra-large diameter integral slide metal plate that is used for the shaft of vertical well concrete construction according to claim 8 is characterized in that: the top at the pouring mouth template is evenly distributed with 8 suspension apparatus (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100738838A CN101509380B (en) | 2009-03-06 | 2009-03-06 | Ultra-large diameter integral slide metal matrix for vertical shaft well bore concrete construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100738838A CN101509380B (en) | 2009-03-06 | 2009-03-06 | Ultra-large diameter integral slide metal matrix for vertical shaft well bore concrete construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101509380A CN101509380A (en) | 2009-08-19 |
| CN101509380B true CN101509380B (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100738838A Expired - Fee Related CN101509380B (en) | 2009-03-06 | 2009-03-06 | Ultra-large diameter integral slide metal matrix for vertical shaft well bore concrete construction |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305076B (en) * | 2011-08-11 | 2013-04-24 | 中十冶集团有限公司 | Hydraulic step type vertical shaft template supporting device |
| CN105507345A (en) * | 2015-12-04 | 2016-04-20 | 嘉库智能停车系统（上海）有限公司 | Reversed construction method for well type fully-automatic three-dimensional garage |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2080101U (en) * | 1990-03-13 | 1991-07-03 | 涞源铜矿 | Telescopic metal mould for concrete pouring in mine aven |
| JP2001132380A (en) * | 1999-11-04 | 2001-05-15 | Heiwa Okuda Construction Co Ltd | Stabilizing device for buried pipe body |
| CN101215968A (en) * | 2008-01-21 | 2008-07-09 | 周二萍 | Inclined shaft sliding mode structure and inclined shaft pull-crawling construction process |
| CN201202122Y (en) * | 2007-08-22 | 2009-03-04 | 北京联东模板有限公司 | Automatic opening-closing retractable caisson or deep well steel formwork |
-
2009
- 2009-03-06 CN CN2009100738838A patent/CN101509380B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2080101U (en) * | 1990-03-13 | 1991-07-03 | 涞源铜矿 | Telescopic metal mould for concrete pouring in mine aven |
| JP2001132380A (en) * | 1999-11-04 | 2001-05-15 | Heiwa Okuda Construction Co Ltd | Stabilizing device for buried pipe body |
| CN201202122Y (en) * | 2007-08-22 | 2009-03-04 | 北京联东模板有限公司 | Automatic opening-closing retractable caisson or deep well steel formwork |
| CN101215968A (en) * | 2008-01-21 | 2008-07-09 | 周二萍 | Inclined shaft sliding mode structure and inclined shaft pull-crawling construction process |
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| CN101509380A (en) | 2009-08-19 |
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