CN212317469U - Floor scaffold wall connecting piece - Google Patents
Floor scaffold wall connecting piece Download PDFInfo
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- CN212317469U CN212317469U CN202020863029.3U CN202020863029U CN212317469U CN 212317469 U CN212317469 U CN 212317469U CN 202020863029 U CN202020863029 U CN 202020863029U CN 212317469 U CN212317469 U CN 212317469U
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- wall
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- mobile jib
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Abstract
The utility model discloses a wall connecting piece of a floor scaffold, which comprises a structural steel pipe column, wherein the outer surface of the structural steel pipe column is provided with a hoop, and is connected with the main rod through a hoop, force transmission plates are symmetrically arranged between the main rod and the structural steel pipe column, two end faces of the force transmission plates are respectively attached to the surfaces of the main rod and the structural steel pipe column, a wall connecting rod is movably arranged at the other side of the main rod and is connected with a scaffold upright rod through the wall connecting rod, the main rod and the wall connecting rod are adopted to form the tension brace, and the combined hoop realizes the arrangement of the scaffold wall connecting piece at the position with large span and high storey height, avoids the conditions that the traditional mode needs to adopt a plurality of inclined struts, needs to occupy large space in the structure and has troublesome supporting structure, realizes a fast and efficient wall connecting piece connecting mode, wherein, can adjust direction and angle through rotating according to the position of scaffold frame pole setting, easy operation uses more convenient and fast reliably.
Description
Technical Field
The utility model relates to a scaffold's technical field in the construction specifically is a floor scaffold even wall spare.
Background
Along with the continuous emergence of large-scale public buildings, due to the fact that part of the structural span is large and the floor height is high, the arrangement distance of the wall connecting pieces between the external scaffold and the structure in the construction process exceeds the requirement specified by the specification, the construction requirement set up in the building construction fastener type steel pipe scaffold safety technical specification (JGJ 130 + 2011) of the floor scaffold is not more than three steps and three spans, and the requirement of' maximum distance arrangement of the wall connecting pieces in table 6.4.2 in the specification is required to be met: every is even wall spare coverage area is not more than 40 square meters, to general frame construction even wall spare coverage area far away when being greater than 40 square meters, when needing large-span, the setting of floor height superelevation position scaffold frame even wall spare, traditional mode need adopt multichannel bracing mode, need the inside very big space of occupation structure, and the support structure is troublesome, has increased work load, takes trouble hard, reduces work efficiency, so the urgent need for a scaffold frame that falls to the ground even wall spare solves above-mentioned problem.
Disclosure of Invention
The utility model provides a floor scaffold even wall spare forms the drag link through adopting the mobile jib and even wall pole to the staple bolt that combines realizes that large-span, layer height superelevation position scaffold frame even the setting of wall spare, avoids traditional mode to need to adopt multichannel bracing mode, need to occupy the inside very big space of structure and the trouble condition of bearing structure, has realized high efficiency even wall spare connected mode.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a floor scaffold even wall spare, includes structural steel tubular column, structural steel tubular column surface mounting has the staple bolt, and passes through the staple bolt links to each other with the mobile jib, the symmetry is equipped with the biography power board between mobile jib and the structural steel tubular column, biography power board both ends face respectively with mobile jib and structural steel tubular column surface laminating, mobile jib opposite side movable mounting has even wall pole to link to each other with the scaffold frame pole setting through even wall pole.
Preferably, the screw rods are installed at the two ends of the hoop, and the hoop is in threaded connection with the screw rod hole formed in the main rod in a matched mode through the screw rods.
Preferably, the shape of dowel steel is wedge, and relative two sides are plane and cambered surface respectively, and the plane is laminated with the mobile jib, and the cambered surface is laminated with the structural steel tubular column.
Preferably, mobile jib one side welding mobile jib connecting plate, run through on the mobile jib connecting plate and seted up first connecting pin hole, it has even the wall pole connecting plate to link wall pole one end welding, run through on even the wall pole connecting plate and seted up the second connecting pin hole, first connecting pin hole and the coincidence of second connecting pin hole to through connecting pin bolt swing joint.
Preferably, the wall connecting rod is connected with the scaffold upright rod through a right-angle fastener.
Preferably, the number of the wall connecting rods on one side of the single main rod is less than three.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization, form the drag link through adopting the mobile jib and linking the wall pole, and the staple bolt that combines realizes the large-span, the setting of layer height superelevation position scaffold frame even wall spare, avoid traditional mode to need to adopt multichannel bracing mode, need the inside very big space of occupation structure and the trouble condition of bearing construction, high efficiency's even wall spare connected mode has been realized, wherein, link the wall pole and pass through the wall pole connecting plate, second connecting pin hole and connecting pin bolt rotate with the mobile jib connecting plate and the first connecting pin hole of mobile jib and are connected, can be according to the position of scaffold frame pole setting, adjust direction and angle through rotating, and is simple in operation, and the use is more convenient and reliable.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic structural view of the wall connecting member of the present invention;
fig. 2 is a schematic structural view of the main rod of the present invention;
fig. 3 is a schematic structural view of the hoop of the present invention;
FIG. 4 is a schematic structural view of the wall connecting rod of the present invention;
reference numbers in the figures: 1. a structural steel pipe column; 2. a main rod; 201. a main rod connecting plate; 202. a first connecting pin hole; 203. a screw hole; 3. hooping; 301 screw rod; 4. a wall connecting rod; 401. a wall connecting rod connecting plate; 402. A second connecting pin hole; 5. a connecting pin bolt; 6. a force transmission plate.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1, a floor scaffold wall connecting piece, including structural steel pipe column 1, 1 surface mounting of structural steel pipe column has staple bolt 3, and link to each other with mobile jib 2 through staple bolt 3, the symmetry is equipped with dowel steel 6 between mobile jib 2 and the structural steel pipe column 1, 6 both ends faces of dowel steel respectively with mobile jib 2 and 1 surface laminating of structural steel pipe column, 2 opposite side movable mounting of mobile jib have wall connecting rod 4, and link to each other with the scaffold pole setting through wall connecting rod 4, wherein, link to each other through right angle fastener between wall connecting rod 4 and the scaffold pole setting.
Specifically, as shown in fig. 3, the screws 301 are installed at both ends of the anchor ear 3, and the anchor ear 3 is in threaded connection with the screw hole 203 formed in the main rod 2 through the screws 301, so that the anchor ear is convenient to install and detach.
Specifically, the shape of dowel steel 6 is the wedge, and relative two sides are plane and cambered surface respectively, and the plane is laminated with mobile jib 2, and the cambered surface is laminated with structural steel tubular column 1 for mobile jib 2 closely supports tightly with structural steel tubular column 1, forms three point support, bears the pressure that the scaffold frame transmitted on mobile jib 2.
Specifically, as shown in fig. 1 and 2, a main rod connecting plate 201 is welded on one side of a main rod 2, a first connecting pin hole 202 is formed in the main rod connecting plate 201 in a penetrating mode, a wall rod connecting plate 401 is welded on one end of a wall rod 4 in a penetrating mode, a second connecting pin hole 402 is formed in the wall rod connecting plate 401 in a penetrating mode, the first connecting pin hole 202 coincides with the second connecting pin hole 402, the first connecting pin hole and the second connecting pin hole 402 are movably connected through a connecting pin bolt 5, the wall rod 4 can swing freely, and the angle of the wall rod can be adjusted.
Specifically, the number of the wall connecting rods 4 on one side of the single main rod 2 is less than three, the maximum pulling pressure of the single wall connecting rod 4 is 8KN, and the attached main rod 2 is stressed by 24 KN.
During construction: the method comprises the following steps:
s1, calculating the stress of the wall connecting member to obtain the parameters of the member, and selecting the member according to the parameters;
wherein, in this embodiment, mobile jib 2 adopts 12 channel-section steels, and its physical properties: as 1536.2mm2， Ix＝3.46*106mm4，Wx＝5.77*104mm3；d＝5.5mm，t＝9.0mm；
Wherein, As is the sectional area of the channel steel; ix is the section moment of inertia of the channel steel; wx is the net section resisting moment of the channel steel; d is the wall thickness of the channel steel; t is the wing thickness of the channel steel;
the main rod connecting plate 201 and the wall connecting plate 401 are both made of steel plates with the thickness of 5mm, the hoop 3 is made of 50-5 flat steel, the length of each hoop is 4.3m, and the screw 301 is made of steel plates with the thickness of 5mm
The length of the screw is not less than 320mm, the length of the screw thread is not less than 80mm, and the wall connecting rod 4 is adopted
The scaffold tube and the connecting pin bolt 5 adopt
The force transmission plate 6 is a wedge-shaped steel plate with the thickness of 5 mm.
S2, processing the main rod 2, the hoop 3 and the wall connecting rod 4;
wherein:
the processing of the main rod 2 comprises that a main rod connecting plate 201 is welded on the main rod 2, and the main rod connecting plate 201 is provided with
The main rod 2 is provided with two reserved positions
A screw hole 203;
the processing of the hoop 3 comprises the steps of welding the screw rods 301 at two ends of the hoop 3, wherein the screw rods 301 adopt
A screw;
the processing of the wall connecting rod 4 comprises that the end part of the wall connecting rod 4 adopts a longitudinal middle cutting groove, the width of a wall connecting rod connecting plate 401 is 80mm, the length is not less than 130mm, the embedded cutting groove is internally welded, the length of the wall connecting rod connecting plate is not less than 60mm, the embedded section and the steel pipe adopt a 5mm welding line, and the full-length welding connection is in place.
Carrying out stress calculation on the components, wherein the stress calculation comprises stress calculation of a main rod 2 which is laterally loaded, stress calculation of a drawknot fixing ring, stress calculation of a wall connecting rod connecting pin and ring stress calculation of a connecting pin plate;
the force of the laterally-loaded main rod 2 is calculated:
when the main rod 2 is calculated according to the most unfavorable cantilever stress, the load bending moment is Mmax, and Mmax is F, L is 8, 0.9 is 7.2 (kNm);
maximum deformation Wmax:
Wmax＝F*L3/(3EI)＝8000*9003/(3*2.0*105*3.46*106)＝2.809(mm)<2L/400＝4. 5(mm)；
checking and calculating the bearing capacity of the main rod 2:
Mx/(γx*Wx)+My/(γy*Wy)＝7.2*106/(5.77*104)＝124.78(N/mm2)<f＝215(N/m m2) And the safety degree meets the requirement.
And (4) checking and calculating the shear strength:
τ＝VAs/(Ixd)＝8000*1536.2/(3.46*106*5.5)＝0.646(N/mm2)<fv＝125(N/mm2)
wherein V is the shearing force borne by the rod piece; as is the sectional area of the rod piece; ix is the section moment of inertia; d is the wall thickness of the channel steel;
calculating the stress of the drawknot fixing ring:
the bearing capacity of the screw rod is pulled and knotted,
calculated area of screw As ═ pi (14.5/2)2＝165.13(mm2)，σ＝N/As＝18000/165.13＝109(N/mm2)<f＝170(N/mm2) (minimum design tensile strength of the bolt), and the safety degree meets the requirement;
and (3) calculating the stress of the connecting pin of the wall connecting rod:
the end part of the wall connecting rod is provided with a connecting steel plate
Hole of, adopt
The bolt is connected with a connecting pin ring at the side of the section steel,
calculated section of connecting bolt As ═ pi (10.7/2)2＝89.92(mm2)；
σ＝N/As＝8000*1.5/89.92＝133.4(N/mm2)<f＝140(N/mm2) (minimum design shear strength of bolt), (1.5 calculating safety factor for live load, 140N/mm)2F of lowest grade C boltv b)；
Calculating the ring stress of the connecting pin plate:
the width of the steel plate ring at the side of the connecting pin plate is 25 mm;
then σ ═ N/As ═ 8000 × 1.5/(25 × 5) ═ 96 (N/mm)2)<f＝125(N/mm2) (Q235 steel shear strength), the degree of safety meets the requirements.
S3, symmetrically welding the force transmission plate 6 on the main rod 2;
and S4, assembling the processed main rods 2, anchor ears 3 and wall connecting rods 4 with the structural steel pipe column 1 and the scaffold upright rod.
During installation, the processed main rod 2 enables the arc-shaped part of the force transmission plate 6 to be close to the main rod 2 according to installation height and position, a screw 301 of the hoop 3 penetrates through a screw hole 203 in the main rod 2, a nut on the screw 301 at one end is screwed, then the screw 301 at the other end is screwed, the nut is screwed, the position, the levelness and the direction of the main rod 2 are adjusted, the nut on the screw 301 is screwed, and the force transmission plate 6 and the structural steel pipe column 1 are fixed in a spot welding mode for preventing the main rod 2 from sliding; then, the wall connecting plate 401 at the end of the wall connecting rod 4 and the main rod connecting plate 201 on the main rod 2 penetrate through the first connecting pin hole 202 and the second connecting pin hole 402 through the connecting pin bolt 5, the nut is screwed on to enable the wall connecting rod 4 to be connected with the main rod 2, the angle of the wall connecting rod 4 is adjusted to enable the other end of the wall connecting rod to be close to the outer scaffold upright rod, the wall connecting rod 4 is reliably connected with the outer scaffold upright rod through the right-angle fastener, and therefore the wall connecting piece is installed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a floor scaffold even wall spare, includes structural steel tubular column (1), its characterized in that: structural steel pipe column (1) surface mounting has staple bolt (3), and passes through staple bolt (3) link to each other with mobile jib (2), the symmetry is equipped with dowel steel (6) between mobile jib (2) and structural steel pipe column (1), dowel steel (6) both ends face laminates with mobile jib (2) and structural steel pipe column (1) surface respectively, mobile jib (2) opposite side movable mounting has wall pole (4) even to link to each other with the scaffold frame pole setting through linking wall pole (4).
2. A standing scaffold wall attachment as claimed in claim 1, wherein: screw rod (301) are all installed at staple bolt (3) both ends, screw rod hole (203) threaded connection that supporting was seted up on staple bolt (3) through screw rod (301) and mobile jib (2).
3. A standing scaffold wall attachment as claimed in claim 1, wherein: the force transmission plate (6) is wedge-shaped, two opposite surfaces of the force transmission plate are respectively a plane and an arc surface, the plane is attached to the main rod (2), and the arc surface is attached to the structural steel pipe column (1).
4. A standing scaffold wall attachment as claimed in claim 1, wherein: the utility model discloses a wall pole, including mobile jib (2), mobile jib connecting plate (201) are welded to mobile jib (2) one side, run through on the mobile jib connecting plate (201) and seted up first connecting pin hole (202), it has wall pole connecting plate (401) to link wall pole (4) one end welding, link to run through on wall pole connecting plate (401) and seted up second connecting pin hole (402), first connecting pin hole (202) and the coincidence of second connecting pin hole (402) to through connecting pin bolt (5) swing joint.
5. A standing scaffold wall attachment as claimed in claim 1, wherein: the wall connecting rod (4) is connected with the scaffold upright rod through a right-angle fastener.
6. A standing scaffold wall attachment as claimed in claim 1, wherein: the number of the wall connecting rods (4) on one side of the single main rod (2) is less than three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020863029.3U CN212317469U (en) | 2020-05-21 | 2020-05-21 | Floor scaffold wall connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020863029.3U CN212317469U (en) | 2020-05-21 | 2020-05-21 | Floor scaffold wall connecting piece |
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| Publication Number | Publication Date |
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| CN212317469U true CN212317469U (en) | 2021-01-08 |
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| CN202020863029.3U Active CN212317469U (en) | 2020-05-21 | 2020-05-21 | Floor scaffold wall connecting piece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424958A (en) * | 2020-05-21 | 2020-07-17 | 江苏南通二建集团有限公司 | Floor scaffold wall connecting piece and construction method thereof |
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- 2020-05-21 CN CN202020863029.3U patent/CN212317469U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111424958A (en) * | 2020-05-21 | 2020-07-17 | 江苏南通二建集团有限公司 | Floor scaffold wall connecting piece and construction method thereof |
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