CN103510515A - Prestress combined workpiece of supporting system in foundation pit support - Google Patents
Prestress combined workpiece of supporting system in foundation pit support Download PDFInfo
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- CN103510515A CN103510515A CN201310468426.5A CN201310468426A CN103510515A CN 103510515 A CN103510515 A CN 103510515A CN 201310468426 A CN201310468426 A CN 201310468426A CN 103510515 A CN103510515 A CN 103510515A
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Abstract
The invention discloses a prestress combined workpiece of a supporting system in a foundation pit support. The prestress combined workpiece comprises a steel strand anchorage device base and a connection part, wherein the steel strand anchorage device base and the connection part are fixedly connected. A steel strand penetrates through a wire penetrating long hole of the steel strand anchorage device base, passes through an arc-shaped channel and is connected with a tensioning anchorage device installed on an inner side board. The anchorage device is fixedly locked after pulling force exerted on the steel stranded wire through a tensioning device reaches a certain numerical value. The prestress combined workpiece is connected with other parts through the connection part. The prestress combined workpiece achieves the aim of providing prestress for a fish belly sill tensioning structure, and is reasonable in structure and convenient to disassemble and assemble; all the parts on the prestress combined workpiece are standard in size, parts of various workpieces can be exchanged and reused for many times and are universal, and the aims of saving construction cost and facilitating construction are achieved.
Description
Technical field
The present invention relates to civil engineering, particularly a kind of prestressing combination workpiece of pattern foundation pit supporting structure inner support system.
Background technology
In Soft Soil Foundation Pit engineering, steel concrete or steel pipe support supporting and protection structure, in order to reduce the distortion of foundation ditch, increase stability, and conventional method is at present: increase the reinforced concrete fortifield village purlin quantity of size, increase steel pipe support in the street, reduce spacing etc.But this will increase the consumption of constructional materials greatly, also reduced effective construction space in foundation ditch.Due to the steel support structure adopting at present, mainly using single shaped steel or steel pipe as brace summer, between every shaped steel or steel pipe, do not form effectively and connect, can not be as combining structure work, so their support rigidity is lower, the power can bear is relatively limited, for the larger foundation ditch of span, adopts existing steel shotcrete support to be difficult to control its distortion.These support members are owing to being all much to make by site operation requirement, the connection dimension that there is no standard, cannot reach between all parts and exchange and general object, after causing foundation pit construction to complete, most of support components all become expendable consumed product, can not reuse.
After at present conventional pattern foundation pit supporting structure completes, without prestress application technique, or increase support member, cannot after support system has been assembled, further improve the integral rigidity of support system.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art, the prestressing combination workpiece that a kind of pattern foundation pit supporting structure inner support system is provided for assembling pattern foundation pit supporting structure inner support system, can prestressing force be provided and be connected with miscellaneous part for fish belly sill stretching-drawing structure, this combination workpiece is rational in infrastructure, easy accessibility, can repeatedly reuse, reach the object of saving construction cost, convenient construction.
Technical scheme of the present invention is achieved in that
A prestressing combination workpiece for inner support system, comprises steel strand anchorage pedestal, link; Described steel strand anchorage pedestal comprises H shaped steel A, H shaped steel B, H shaped steel C, adpting flange, at least one tension ground tackle and interior plate; On described adpting flange, be provided with four flange pilot holes, flange pilot hole is square four jiaos of distributions; One end of described H shaped steel A is cross section, and the other end of H shaped steel A is scarf, and the cross section of H shaped steel A is fixedly welded with adpting flange; On the outside wing plate of H shaped steel A, be provided with a plurality of connecting hole A, four connecting hole A are one group, two rows before and after the connecting hole A in every group is divided into, and every row has two connecting hole A; One end of described H shaped steel B is cross section, the other end of H shaped steel B is scarf, near in the cross section H shaped steel of H shaped steel B B groove, be provided with arc-shaped guide plate, described arc-shaped guide plate is vertically welded on the web of H shaped steel B, and the wing plate of the two ends of arc-shaped guide plate and H shaped steel B both sides is welded and fixed; On the wing plate of H shaped steel B both sides, be provided with threading slotted hole, the position of threading slotted hole is corresponding with the position of arc-shaped guide plate; Threading slotted hole and arc-shaped guide plate have formed the curved channel that the steel strand for tension ground tackle pass through; Arc-shaped guide plate is provided with arc stiffener away from a side of curved channel, and the web vertical welding of arc stiffener and H shaped steel B is fixed, and the two ends of arc stiffener are welded and fixed with the outside wing plate of arc-shaped guide plate and H shaped steel B respectively; On the outside wing plate of described H shaped steel B, be provided with a plurality of connecting hole B, tetra-described of connecting hole B are one group, and two rows before and after every component becomes, have two connecting hole B in every row; The two ends of described H shaped steel C are cross section, and the cross section at H shaped steel C two ends is fixedly welded with adpting flange; On the outside wing plate of H shaped steel C, be fixedly installed a plurality of connecting hole C and a H shaped steel C block; Described H shaped steel C block is H shaped steel, and the two ends of H shaped steel C block are cross section, on the cross section at H shaped steel C block two ends, is fixedly welded with adpting flange; Described connecting hole C8 is a group, two rows before and after each component becomes, and every row has 4 connecting hole C, and the right side of H shaped steel C block is horizontally arranged with the connecting hole C of two groups, and the left side of H shaped steel C block is horizontally arranged with the connecting hole C of three groups; Described steel strand anchorage pedestal is surrounded triangular structure and is welded and fixed by H shaped steel A, H shaped steel B, H shaped steel C, wherein, the scarf of H shaped steel A and H shaped steel B is fixedly welded on the inner side wing plate of H shaped steel C, the cross section of H shaped steel B is fixedly welded on the inner side wing plate of H shaped steel A, and the web of H shaped steel A, H shaped steel B and H shaped steel C is positioned at same level; The fixing welding of inner side wing plate of described interior plate and H shaped steel A, H shaped steel B, H shaped steel C, described tension ground tackle is fixedly mounted on interior plate, and a side of interior plate is provided with outfall; Described link comprises H shaped steel D, H shaped steel D block and described adpting flange; Described H shaped steel D block is fixedly mounted on the upper side wing of H shaped steel D, and H shaped steel D block is a H shaped steel, and the two ends of H shaped steel D block are cross section, and the cross section at H shaped steel D block two ends is fixedly welded with adpting flange; On the upper side wing of described H shaped steel D, be provided with a plurality of connecting hole D, described connecting hole D8 is a group, two rows before and after each component becomes, and every row has 4 connecting hole D; The left side of H shaped steel D block is horizontally arranged with the connecting hole D of two groups, the right side of H shaped steel D block is horizontally arranged with the connecting hole D of three groups, two groups of connecting hole D in H shaped steel D block left side are mutually corresponding with the connecting hole C of two groups on H shaped steel C block right side, and the connecting hole D of three groups on H shaped steel D block right side is mutually corresponding with the connecting hole C of three groups in H shaped steel C block left side; On the lower side wing of H shaped steel D, be provided with a plurality of connecting hole E, tetra-described of connecting hole E are a group, two rows before and after the connecting hole E in each group is divided into, and every package contains two connecting hole E; In prestressing combination workpiece, in the part in H shaped steel C block left side and the upper side wing of H shaped steel D, the partial fixing on H shaped steel D block right side is connected the outside wing plate of H shaped steel C; The adpting flange in H shaped steel C block left side is fixedly connected with the adpting flange on H shaped steel D right side; The adpting flange on H shaped steel D block right side is fixedly connected with the adpting flange in H shaped steel C left side; On the web of H shaped steel A, H shaped steel B, H shaped steel C, be vertically fixedly welded with shackle plate, on shackle plate, be provided with lifting hole(eyelet).
As preferably, described flange pilot hole is square four jiaos of distributions, this foursquare length of side be 190mm to 210mm, the diameter of flange pilot hole is that 26mm is to 30mm, in connecting hole A, the spacing of front and back two row's connecting hole A of every group is that 190mm is to 210mm, the spacing of two connecting hole A in every row is that 190mm is to 210mm, on the outside wing plate of H shaped steel A, be provided with the connecting hole A of 5 to 7 groups, in connecting hole A, the spacing of every two adjacent groups is that 290mm is to 310mm, in described connecting hole B, the spacing of front and back two row's connecting hole B of every group is that 190mm is to 210mm, in connecting hole B, the spacing of every row's two connecting hole B is that 190mm is to 210mm, on the outside wing plate of H shaped steel B, be provided with the connecting hole B of 2 to 4 groups, in connecting hole B, the spacing of every two adjacent groups is that 290mm is to 310mm, in connecting hole C, the spacing of front and back two row's connecting hole C of every group is that 190mm is to 210mm, the spacing of two connecting hole C that in connecting hole C, every row is adjacent is that 90mm is to 110mm, on the outside wing plate of H shaped steel C, in connecting hole C, the spacing of every two adjacent set is that 290mm is to 310mm, on H shaped steel C block right side and to the group of a nearest connecting hole C of H shaped steel C block right side adpting flange and the spacing of H shaped steel C block right side adpting flange, be that 290mm is to 310mm, in H shaped steel C block left side and to the group of a nearest connecting hole C of H shaped steel C block left side adpting flange and the spacing of H shaped steel C block left side adpting flange, be that 290mm is to 310mm, in described connecting hole E before and after every group the spacing of two row's connecting hole E be 190mm to 210mm, in connecting hole E, the spacing of every row's two connecting hole E is that 190mm is to 210mm, the diameter of described connecting hole is that 26mm is to 30mm.All parts on prestressing combination workpiece is all provided with the size of standard, can reach between each workpiece and exchange and general object.
As preferably, on interior plate, vertical welding is fixed with floor and baffle plate, the two ends of described floor respectively with the fixing welding of inner side wing plate of H shaped steel A and H shaped steel B; Welding is fixed with the inner side wing plate of H shaped steel C and H shaped steel B respectively in the two ends of described baffle plate.Improve the power that prestressing combination workpiece can bear.
The power can bear in order to improve prestressing combination workpiece, as preferably, is provided with stiffener in the groove of H shaped steel A, H shaped steel B and H shaped steel C, and the wing plate vertical welding of the web of described stiffener and H shaped steel and H shaped steel both sides is fixed.
On prestressing combination workpiece, produce ponding, as preferably, on the web of described H shaped steel, be provided with drain hole.
As preferably, the outside wing plate of described H shaped steel C with the upper side wing of H shaped steel D by being fixedly connected with the bolt of connecting hole D through connecting hole C; The adpting flange in the adpting flange on H shaped steel D block right side and H shaped steel C left side is by being fixedly connected with through both bolts of flange pilot hole; The adpting flange in H shaped steel C block left side and the adpting flange on H shaped steel D right side are by being fixedly connected with through both bolts of flange pilot hole.
The invention has the beneficial effects as follows:
The present invention is owing to having adopted above technical scheme, for assembling pattern foundation pit supporting structure inner support system provides a kind of prestressing combination workpiece of pattern foundation pit supporting structure inner support system, for fish belly sill stretching-drawing structure provides prestressing force.Steel strand penetrate from threading slotted hole through fish belly sill, then are connected with the tension ground tackle being arranged on interior plate after curved channel, by tensioning equipment, to the steel strand pulling force of exerting pressure, after certain numerical value, ground tackle are locked.In order to realize being connected of steel strand anchorage pedestal and miscellaneous part, be provided with link, link is connected with steel strand anchorage foundation bolt, and link can be connected with miscellaneous part.This combination workpiece is rational in infrastructure, easy accessibility, and the matching requirements that realized plurality of specifications foundation ditch can repeatedly reuse, and reach the object of saving construction cost, convenient construction.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of adpting flange;
Fig. 3 is the structural representation of steel strand anchorage pedestal;
Fig. 4 is the structural representation of link;
Fig. 5 is that the A of Fig. 3 is to structural representation;
Fig. 6 is use schematic diagram of the present invention.
1, steel strand anchorage pedestal; 2, H shaped steel A; 201, connecting hole A; 3, H shaped steel B; 301, connecting hole B; 302, arc stiffener; 303, arc-shaped guide plate; 304, threading slotted hole; 305, curved channel; 4, H shaped steel C; 401, connecting hole C; 5, tension ground tackle; 501, interior plate; 6, H shaped steel C block; 7, outfall; 701, stiffener; 702, floor; 703, drain hole; 8, H shaped steel D block; 9, adpting flange; 901, flange pilot hole; 10, baffle plate; 11, shackle plate; 12, link; 13, H shaped steel D; 1301, connecting hole D; 1302, connecting hole E.
The specific embodiment
The specific embodiment of the present invention is as follows:
Embodiment: a kind of prestressing combination workpiece of pattern foundation pit supporting structure inner support system, as shown in Figure 1, comprises steel strand anchorage pedestal 1, link 12;
As shown in Fig. 1,2,3,5, comprise steel strand anchorage pedestal 1, link 12; Described steel strand anchorage pedestal 1 comprises H shaped steel A2, H shaped steel B3, H shaped steel C4, adpting flange 9, at least one tension ground tackle 5 and interior plate 501; On described adpting flange 9, be provided with four flange pilot holes 901, flange pilot hole 901 is square four jiaos of distributions, this foursquare length of side be 190mm to 210mm, the diameter of flange pilot hole 901 is that 26mm is to 30mm; Described H shaped steel A2 one end is cross section, and the other end of H shaped steel A2 is scarf, and H shaped steel A2 cross section is fixedly welded with adpting flange 9; On the outside wing plate of H shaped steel A2, be provided with a plurality of connecting hole A201, four connecting hole A201 are one group, two rows before and after connecting hole A201 in every group is divided into, the spacing of front and back two row's connecting hole A201 are that 190mm is to 210mm, every row has two connecting hole A201, the spacing of two connecting hole A201 in every row be 190mm to 210mm, on the outside wing plate of H shaped steel A2, be provided with the connecting hole A201 of 5 to 7 groups, in connecting hole A201, the spacing of every two adjacent groups is that 290mm is to 310mm; Described H shaped steel B3 one end is cross section, the other end of H shaped steel B3 is scarf, near in the cross section H shaped steel of H shaped steel B3 B3 groove, be provided with arc-shaped guide plate 303, described arc-shaped guide plate 303 is vertically welded on the web of H shaped steel B3, and the wing plate of arc-shaped guide plate 303 two ends and H shaped steel B3 both sides is welded and fixed; On the wing plate of H shaped steel B3 both sides, be provided with threading slotted hole 304, threading slotted hole 304 position is corresponding with arc-shaped guide plate 303 position; Threading slotted hole 304 and arc-shaped guide plate 303 have formed the curved channel 305 that the steel strand for tension ground tackle 5 pass through; Arc-shaped guide plate 303 is provided with arc stiffener 302 away from a side of curved channel 305, arc stiffener 302 is fixed with the web vertical welding of H shaped steel B3, and arc stiffener 302 two ends are welded and fixed with the outside wing plate of arc-shaped guide plate 303 and H shaped steel B3 respectively; On the outside wing plate of described H shaped steel B3, be provided with a plurality of connecting hole B301, tetra-described of connecting hole B301 are one group, two rows before and after every component becomes, the spacing of front and back two row's connecting hole B301 are that 190mm is to 210mm, in every row, there are two connecting hole B301, the spacing of two connecting hole B301 of every row be 190mm to 210mm, on the outside wing plate of H shaped steel B3, be provided with the connecting hole B301 of 2 to 4 groups, in connecting hole B301, the spacing of every two adjacent groups is that 290mm is to 310mm; Described H shaped steel C4 two ends are cross section, and the cross section at H shaped steel C4 two ends is fixedly welded with adpting flange 9; On the outside wing plate of H shaped steel C4, be fixedly installed a plurality of connecting hole C401 and a H shaped steel C block 6; Described H shaped steel C block 6 is H shaped steel, and the two ends of H shaped steel C block 6 are cross section, on the cross section at H shaped steel C block 6 two ends, is fixedly welded with adpting flange 9; Eight described of connecting hole C401 are a group, two rows before and after each component becomes, the spacing of front and back two row's connecting hole C401 are that 190mm is to 210mm, every row has 4 connecting hole C401, the spacing of two connecting hole C401 that in connecting hole C401, every row is adjacent is that 90mm is to 110mm, the right side of H shaped steel C block 6 is horizontally arranged with the connecting hole C401 of two groups, and the left side of H shaped steel C block 6 is horizontally arranged with the connecting hole C401 of three groups; On the outside wing plate of H shaped steel C4, in connecting hole C401, the spacing of every two adjacent set is that 290mm is to 310mm, on H shaped steel C block 6 right sides and to the group of a nearest connecting hole C401 of H shaped steel C block 6 right side adpting flanges 9 and the spacing of H shaped steel C block 6 right side adpting flanges 9 be 290mm to 310mm, in H shaped steel C block 6 left sides and to the group of a nearest connecting hole C401 of H shaped steel C block 6 left side adpting flanges 9 and the spacing of H shaped steel C block 6 left side adpting flanges 9, be that 290mm is to 310mm; Described steel strand anchorage pedestal 1 is surrounded triangular structure and is welded and fixed by H shaped steel A2, H shaped steel B3, H shaped steel C4, wherein, the scarf of H shaped steel A2 and H shaped steel B3 is fixedly welded on the inner side wing plate of H shaped steel C4, H shaped steel B3 cross section is fixedly welded on the inner side wing plate of H shaped steel A2, and the web of H shaped steel A2, H shaped steel B3 and H shaped steel C4 is positioned at same level; Described interior plate 501 and the fixing welding of the inner side wing plate of H shaped steel A2, H shaped steel B3, H shaped steel C4, described tension ground tackle 5 is fixedly mounted on interior plate 501, and a side of interior plate 501 is provided with outfall 7.On interior plate 501, vertical welding is fixed with floor 702 and baffle plate 10, and welding is fixed with the inner side wing plate of H shaped steel A2 and H shaped steel B3 respectively in described floor 702 two ends; Welding is fixed with the inner side wing plate of H shaped steel C4 and H shaped steel B3 respectively in described baffle plate 10 two ends.In the groove of H shaped steel A2, H shaped steel B3 and H shaped steel C4, be provided with stiffener 701, described stiffener 701 is fixed with the web of H shaped steel and the wing plate vertical welding of H shaped steel both sides.On the web of described H shaped steel, be provided with drain hole 703.
As shown in Fig. 1,4, described link 12 comprises H shaped steel D13, H shaped steel D block 8 and described adpting flange 9; Described H shaped steel D block 8 is fixedly mounted on the upper side wing of H shaped steel D13, and H shaped steel D block 8 is a H shaped steel, and the two ends of H shaped steel D block 8 are cross section, and the cross section at H shaped steel D block 8 two ends is fixedly welded with adpting flange 9; On the upper side wing of described H shaped steel D13, be provided with a plurality of connecting hole D1301, described connecting hole D13018 is a group, two rows before and after each component becomes, and every row has 4 connecting hole D1301; The left side of H shaped steel D block 8 is horizontally arranged with the connecting hole D1301 of two groups, the right side of H shaped steel D block 8 is horizontally arranged with the connecting hole D1301 of three groups, two groups of connecting hole D1301 in H shaped steel D block 8 left sides are mutually corresponding with the connecting hole C401 of two groups on H shaped steel C block 6 right sides, and the connecting hole D1301 of three groups on H shaped steel D block 8 right sides is mutually corresponding with the connecting hole C401 of three groups in H shaped steel C block 6 left sides; On the lower side wing of H shaped steel D13, be provided with a plurality of connecting hole E1302, tetra-described of connecting hole E1302 are a group, two rows before and after connecting hole E1302 in each group is divided into, before and after the spacing of two row connecting hole E1302 be 190mm to 210mm, the spacing of two connecting hole E1302 that every package contains two every rows of connecting hole E1302 is that 190mm is to 210mm; The diameter of described connecting hole is that 26mm is to 30mm.
As shown in Figure 1, in prestressing combination workpiece the outside wing plate of H shaped steel C4 at the part in H shaped steel C block 6 left sides and the upper side wing of H shaped steel D13 in the part on H shaped steel D block 8 right sides by being fixedly connected with the bolt of connecting hole D1301 through connecting hole C401; The adpting flange 9 in H shaped steel C block 6 left sides is fixedly connected with by passing both bolts of flange pilot hole 901 with the adpting flange 9 on H shaped steel D13 right side; The adpting flange 9 on H shaped steel D block 8 right sides is fixedly connected with by passing both bolts of flange pilot hole 901 with the adpting flange 9 in H shaped steel C4 left side; On the web of H shaped steel A2, H shaped steel B3, H shaped steel C4, be vertically fixedly welded with shackle plate 11, the wing plate vertical welding of shackle plate 11 two ends and H shaped steel both sides is fixed, and on shackle plate 11, is provided with lifting hole(eyelet).
During use, as shown in Figure 6, steel strand penetrate from the threading slotted hole 304 of steel strand anchorage pedestal 1, then are connected with the tension ground tackle 5 being arranged on interior plate 501 after curved channel 305, by tensioning equipment, to the steel strand pulling force of exerting pressure, after certain numerical value, ground tackle is locked.Steel strand anchorage pedestal 1 is connected with miscellaneous part by link 12, realizes being connected of steel strand anchorage pedestal 1 and miscellaneous part.
It is emphasized that: be only preferred embodiment of the present invention above, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of art scheme of the present invention.
Claims (5)
1. a prestressing combination workpiece for pattern foundation pit supporting structure inner support system, is characterized in that, comprises steel strand anchorage pedestal (1), link (12); Described steel strand anchorage pedestal (1) comprises H shaped steel A(2), H shaped steel B(3), H shaped steel C(4), adpting flange (9), at least one tension ground tackle (5) and interior plate (501); On described adpting flange (9), be provided with four flange pilot holes (901), flange pilot hole (901) is square four jiaos of distributions; Described H shaped steel A(2) one end is cross section, H shaped steel A(2) the other end be scarf, H shaped steel A(2) cross section be fixedly welded with adpting flange (9); H shaped steel A(2) on outside wing plate, be provided with a plurality of connecting hole A(201), four connecting hole A(201) be one group, the connecting hole A(201 in every group) be divided into before and after two rows, every row has two connecting hole A(201); Described H shaped steel B(3) one end is cross section, H shaped steel B(3) the other end is scarf, close H shaped steel B(3) cross section H shaped steel B(3) in groove, be provided with arc-shaped guide plate (303), described arc-shaped guide plate (303) is vertically welded in H shaped steel B(3) web on, the two ends of arc-shaped guide plate (303) and H shaped steel B(3) wing plate of both sides is welded and fixed; H shaped steel B(3) on the wing plate of both sides, be provided with threading slotted hole (304), the position of threading slotted hole (304) is corresponding with the position of arc-shaped guide plate (303); Threading slotted hole (304) and arc-shaped guide plate (303) have formed the curved channel (305) that the steel strand for tension ground tackle (5) pass through; Arc-shaped guide plate (303) is provided with arc stiffener (302) away from a side of curved channel (305), arc stiffener (302) and H shaped steel B(3) web vertical welding fix, the two ends of arc stiffener (302) respectively with arc-shaped guide plate (303) and H shaped steel B(3) outside wing plate be welded and fixed; Described H shaped steel B(3) on outside wing plate, be provided with a plurality of connecting hole B(301), described connecting hole B(301) four be one group, two rows before and after every component becomes, have two connecting hole B(301 in every row); Described H shaped steel C(4) two ends are cross section, H shaped steel C(4) cross section at two ends is fixedly welded with adpting flange (9); H shaped steel C(4) on outside wing plate, be fixedly installed a plurality of connecting hole C(401) and a H shaped steel C block (6); Described H shaped steel C block (6) is H shaped steel, and the two ends of H shaped steel C block (6) are cross section, on the cross section at H shaped steel C block (6) two ends, is fixedly welded with adpting flange (9); Described connecting hole C(401) 8 is a group, two rows before and after each component becomes, every row has 4 connecting hole C(401), the right side of H shaped steel C block (6) is horizontally arranged with the connecting hole C(401 of two groups), the left side of H shaped steel C block (6) is horizontally arranged with the connecting hole C(401 of three groups); Described steel strand anchorage pedestal (1) is by H shaped steel A(2), H shaped steel B(3), H shaped steel C(4) surround triangular structure and be welded and fixed, wherein, H shaped steel A(2) and H shaped steel B(3) scarf be fixedly welded on H shaped steel C(4) inner side wing plate on, H shaped steel B(3) cross section is fixedly welded on H shaped steel A(2) inner side wing plate on, H shaped steel A(2), H shaped steel B(3) and H shaped steel C(4) web be positioned at same level; Described interior plate (501) and H shaped steel A(2), H shaped steel B(3), H shaped steel C(4) the fixing welding of inner side wing plate, it is upper that described tension ground tackle (5) is fixedly mounted on interior plate (501), and a side of interior plate (501) is provided with outfall (7); Described link (12) comprises H shaped steel D(13), H shaped steel D block (8) and described adpting flange (9); Described H shaped steel D block (8) is fixedly mounted on H shaped steel D(13) upper side wing on, H shaped steel D block (8) is a H shaped steel, the two ends of H shaped steel D block (8) are cross section, and the cross section at H shaped steel D block (8) two ends is fixedly welded with adpting flange (9); Described H shaped steel D(13) on upper side wing, be provided with a plurality of connecting hole D(1301), described connecting hole D(1301) eight be a group, two rows before and after each component becomes, every row has 4 connecting hole D(1301); The left side of H shaped steel D block (8) is horizontally arranged with the connecting hole D(1301 of two groups), the right side of H shaped steel D block (8) is horizontally arranged with the connecting hole D(1301 of three groups), two groups of connecting hole D(1301 in H shaped steel D block (8) left side) with the connecting hole C(401 of two groups on H shaped steel C block (6) right side) mutually corresponding, the connecting hole D(1301 of three groups on H shaped steel D block (8) right side) with H shaped steel C block (6) on the left of the connecting hole C(401 of three groups) mutually corresponding; H shaped steel D(13) on lower side wing, be provided with a plurality of connecting hole E(1302), described connecting hole E(1302) four be a group, the connecting hole E(1302 in each group) be divided into before and after two rows, every package contains two connecting hole E(1302); H shaped steel C(4 in prestressing combination workpiece) partial fixing of the upper side wing part and H shaped steel D(13 of outside wing plate on the left of H shaped steel C block (6)) on H shaped steel D block (8) right side is connected; The adpting flange (9) and H shaped steel D(13 in H shaped steel C block (6) left side) adpting flange (9) on right side is fixedly connected with; The adpting flange (9) on H shaped steel D block (8) right side and H shaped steel C(4) left side adpting flange (9) be fixedly connected with; At H shaped steel A(2), H shaped steel B(3), H shaped steel C(4) web on be vertically fixedly welded with shackle plate (11), shackle plate is provided with lifting hole(eyelet) on (11).
2. the prestressing combination workpiece of a kind of pattern foundation pit supporting structure inner support system according to claim 1, it is characterized in that, described flange pilot hole (901) is square four jiaos of distributions, this foursquare length of side be 190mm to 210mm, the diameter of flange pilot hole (901) is that 26mm is to 30mm, connecting hole A(201) spacing front and back two row's connecting hole A(201 of every group in) is that 190mm is to 210mm, two connecting hole A(201 in every row) spacing is that 190mm is to 210mm, H shaped steel A(2) on outside wing plate, be provided with the connecting hole A(201 of 5 to 7 groups), connecting hole A(201) in the spacing of every two adjacent groups be that 290mm is to 310mm, described connecting hole B(301) spacing front and back two row's connecting hole B(301 of every group in) is that 190mm is to 210mm, connecting hole B(301) spacing every row's two connecting hole B(301 in) is that 190mm is to 210mm, H shaped steel B(3) on outside wing plate, be provided with the connecting hole B(301 of 2 to 4 groups), connecting hole B(301) in the spacing of every two adjacent groups be that 290mm is to 310mm, connecting hole C(401) spacing front and back two row's connecting hole C(401 of every group in) is that 190mm is to 210mm, connecting hole C(401) spacing two adjacent connecting hole C(401 of every row in) is that 90mm is to 110mm, H shaped steel C(4) connecting hole C(401 on outside wing plate), the spacing of every two adjacent set is that 290mm is to 310mm, on H shaped steel C block (6) right side and to a nearest connecting hole C(401 of H shaped steel C block (6) right side adpting flange (9)) group and the spacing of H shaped steel C block (6) right side adpting flange (9) be that 290mm is to 310mm, in H shaped steel C block (6) left side and to a nearest connecting hole C(401 of H shaped steel C block (6) left side adpting flange (9)) group and H shaped steel C block (6) on the left of the spacing of adpting flange (9) be that 290mm is to 310mm, described connecting hole E(1302) spacing two row's connecting hole E(1302 before and after every group in) be 190mm to 210mm, connecting hole E(1302) in two connecting hole E(1302 of every row) spacing be that 190mm is to 210mm.
3. the prestressing combination workpiece of a kind of pattern foundation pit supporting structure inner support system according to claim 1, it is characterized in that, the upper vertical welding of interior plate (501) is fixed with floor (702) and baffle plate (10), the two ends of described floor (702) respectively with H shaped steel A(2) and H shaped steel B(3) inner side wing plate fix and weld; The two ends of described baffle plate (10) respectively with H shaped steel C(4) and H shaped steel B(3) the fixing welding of inner side wing plate.
4. the prestressing combination workpiece of a kind of pattern foundation pit supporting structure inner support system according to claim 1, is characterized in that, H shaped steel A(2), H shaped steel B(3) and H shaped steel C(4) groove in be provided with stiffener (701).
5. the prestressing combination workpiece of a kind of pattern foundation pit supporting structure inner support system according to claim 1, it is characterized in that described H shaped steel C(4) outside wing plate and H shaped steel D(13) upper side wing by through connecting hole C(401) with connecting hole D(1301) bolt be fixedly connected with; The adpting flange (9) on H shaped steel D block (8) right side and H shaped steel C(4) left side adpting flange (9) by being fixedly connected with through both bolts of flange pilot hole (901); The adpting flange (9) and H shaped steel D(13 in H shaped steel C block (6) left side) adpting flange (9) on right side is by being fixedly connected with through both bolts of flange pilot hole (901).
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| CN201310468426.5A CN103510515B (en) | 2013-10-09 | 2013-10-09 | A kind of prestressing combination workpiece of pattern foundation pit supporting structure inner support system |
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| CN101255697A (en) * | 2008-04-10 | 2008-09-03 | 王平 | Deep building pit trussed-beam inner support integral application pre-stress method |
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| CN102418345A (en) * | 2005-11-16 | 2012-04-18 | 斯博泰科有限公司 | Apparatus for fixing steel wire of wale |
| KR101169459B1 (en) * | 2011-07-04 | 2012-08-03 | 최영준 | Steel beam connector and steel beam structure using the same |
| CN203514312U (en) * | 2013-10-09 | 2014-04-02 | 浙江博雷重型机床制造有限公司 | Prestress combined workpiece of supporting system in foundation pit support |
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- 2013-10-09 CN CN201310468426.5A patent/CN103510515B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101310079A (en) * | 2005-11-16 | 2008-11-19 | 斯博泰科有限公司 | Temporary soil sheathing apparatus |
| CN102418345A (en) * | 2005-11-16 | 2012-04-18 | 斯博泰科有限公司 | Apparatus for fixing steel wire of wale |
| CN101255697A (en) * | 2008-04-10 | 2008-09-03 | 王平 | Deep building pit trussed-beam inner support integral application pre-stress method |
| KR101169459B1 (en) * | 2011-07-04 | 2012-08-03 | 최영준 | Steel beam connector and steel beam structure using the same |
| CN203514312U (en) * | 2013-10-09 | 2014-04-02 | 浙江博雷重型机床制造有限公司 | Prestress combined workpiece of supporting system in foundation pit support |
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Effective date of registration: 20200617 Address after: 311101 Dajin, gejiache village, Qiaosi street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou AMOLE Experimental Equipment Co., Ltd Address before: 313219 Zhejiang province Huzhou city Deqing County Town Road No. 1 Chomo leidian Patentee before: ZHEJIANG BOLEI HEAVY MACHINE TOOL MANUFACTURING Co.,Ltd. |