CN212743328U

CN212743328U - Scaffold draws node

Info

Publication number: CN212743328U
Application number: CN202021057344.3U
Authority: CN
Inventors: 焦万荣; 王静
Original assignee: China Construction Second Engineering Bureau Co Ltd
Current assignee: China Construction Second Engineering Bureau Co Ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-03-19
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a scaffold draws node, include the drawknot pole and be located the cast-in-place concrete structure in drawknot pole lower right corner: the front side of drawknot pole is provided with the fixed block, the front side welding of fixed block has the turning block, the surface rotation of turning block is connected with the fastener, the right-hand member welding of fixed block front side has the pintle hook, the right side of fastener cup joints on the pintle hook. The anchoring flat steel of the utility model is placed in a cast-in-place concrete structure, and has enough tensile strength and shear strength to meet the stress requirement; the link of extrusion has certain tensile and compressive strength, and the connecting pin has reduced the joint gap, both can provide reliable rigid connection power and can conveniently dismantle the drawknot pole again, and drawknot pole and connecting pin can used repeatedly, have avoided the material extravagant, and the anchor band steel provides sufficient tensile and shear strength, guarantee result of use.

Description

Scaffold draws node

Technical Field

The utility model belongs to the technical field of the construction, especially, relate to a scaffold draws node.

Background

The scaffold pull node is a component for connecting a scaffold and a structure in building construction so as to ensure the stability of the scaffold, and the scaffold pull node comprises a pre-buried steel pipe type, a steel pipe and flat steel combined type, a bolt and steel pipe combined type and the like. The pull node is required to be provided with a larger construction hole in the structure, and is plugged again after the pull node is dismantled; or need install again after the side form board is demolishd, can not once install in place, influence the support body installation, it is more that the aforesaid draws node pre-buried material to occupy, and the installation is wasted time and energy.

The traditional method adopts a steel pipe pre-embedded pulling node, so that the material cost is high; the fasteners are connected, so that the occupied structural space is large, and holes need to be reserved to provide operating space for the detachment of the fasteners and the cutting of embedded parts; the hole repair cost is reserved to the structure is high, the repair effect is poor, produce the seepage hidden danger easily at positions such as outer wall, current steel pipe adds the connected mode of screw rod or steel pipe with the band steel, need wait to install after structure outside template is demolishd, need do the secondary construction, increase the labour cost, pull opening of node and change the installation that influences the outrigger, direct influence construction progress, at the bottom of the economic benefits, pre-buried cutting away that draws the node need adopt cutting machine or gas cutting, the operation is not in the aspect, the potential safety hazard is big, the expense is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a scaffold frame draws node has simply, efficient advantage, has solved and has drawn the node for occuping structure space, needs the later stage to repair and install, demolishs the trouble, and the staff is under construction inconveniently, influences the work efficiency problem.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a scaffold draws node, includes the drawknot pole and is located the cast-in-place concrete structure of drawknot pole lower right corner, the front side of drawknot pole is provided with the fixed block, the front side welding of fixed block has the turning block, the surface rotation of turning block is connected with the fastener, the right-hand member welding of fixed block front side has the buckling pin, the right side of fastener cup joints on the buckling pin, the surperficial threaded connection of buckling pin has fixing nut, the scaffold frame body has been placed between fastener and the drawknot pole, the right side of drawknot pole is pegged graft and is had the anchor band steel, the bottom of anchor band steel inserts in the cast-in-place concrete structure.

The utility model discloses as above be used for scaffold to draw node, further: the right side of the inner cavity of the tie rod is inserted with an inserted link positioned above the anchoring flat steel, the right side of the top of the tie rod is provided with a connecting pin in a penetrating way, and the bottom end of the connecting pin penetrates through the anchoring flat steel and the inserted link and penetrates to the bottom of the tie rod; the lower end of the connecting pin is locked by a cotter pin.

The utility model discloses as above be used for scaffold to draw node, further: the rear side welding at drawknot pole top has the installed part, the rear side of installed part runs through and is provided with connecting bolt, fixed block and installed part pass through connecting bolt fixed connection.

The utility model discloses as above be used for scaffold to draw node, further: the anchoring flat steel is a splicing rod made of rolled flat steel through mechanical hole opening and bending.

The utility model discloses as above be used for scaffold to draw node, further: the tie rod and the scaffold frame body are steel pipes of the same type, and the right end of the tie rod is extruded into a flat end which is sunken downwards through a machine tool.

The utility model discloses as above be used for scaffold to draw node, further: the anchoring flat steel is in an inverted L shape, the vertical rod end of the anchoring flat steel is inserted into the cast-in-place concrete structure, and the transverse rod end of the anchoring flat steel is inserted into the inner cavity of the tie rod.

The utility model has the advantages that:

1. the utility model discloses: firstly, rolling the anchoring flat steel into flat steel by adopting rolling equipment, placing the anchoring flat steel in a cast-in-place concrete structure, wherein the anchoring flat steel has enough tensile strength and shear strength to meet the stress requirement; the shaped tie rod adopts a steel pipe of the same type as the scaffold body, one end of the steel pipe is extruded into a porous connecting end which can be spliced with the anchoring flat steel bearing through a lathe, the connecting end is fixed with the anchoring flat steel through a connecting pin, the extruded connecting end has certain tensile strength and compressive strength, the connecting pin reduces the connecting gap, reliable rigid connecting force can be provided, the tie rod can be conveniently detached, the tie rod and the connecting pin can be repeatedly used, and material waste is avoided; the anchoring flat steel provides enough tensile strength and shearing strength, and the using effect is guaranteed.

2. The cost is low by adopting the embedded flat steel material; the extrusion-molded pull node is adopted, the insertion structure is small in depth, the pull node can be directly pulled out, a hole does not need to be reserved independently, and the repair cost is reduced.

3. Adopt extrusion's the node of drawing, directly install in place after being connected with pre-buried band steel, do not need the secondary adjustment, the guarantee support body is stable, satisfies the support body and lasts the construction demand.

4. The extension length of the embedded flat steel is short, after the tie rod is pulled out, the flat steel head directly strikes the wall surface, the gap is filled with mortar, and the flat steel is hidden and does not need to be cut off independently.

Drawings

The above and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are given by way of illustration only and not by way of limitation, wherein:

FIG. 1 is a schematic view of an embodiment of the present invention;

fig. 2 is a partial enlarged view of a in fig. 1 according to an embodiment of the present invention;

fig. 3 is a schematic front sectional view of a tie bar according to an embodiment of the present invention;

fig. 4 is a schematic bottom view of a drawknot rod according to an embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the concrete scaffold comprises a tie rod, 2 a fixing block, 3 a rotating block, 4 a fastener, 5 a buckling pin, 6 a fixing nut, 7 a scaffold frame body, 8 an anchoring flat steel, 9 a connecting pin, 10 an inserting rod, 11 a cast-in-place concrete structure, 12 a mounting piece, 13 and connecting bolts.

Detailed Description

Hereinafter, embodiments of the scaffold pull node of the present invention will be described with reference to the accompanying drawings.

The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of the respective portions and the mutual relationships thereof. It should be noted that for the sake of clarity in showing the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.

Fig. 1-4 show the scaffold of an embodiment of the utility model relates to a scaffold draws node, include drawknot pole 1 and be located the cast-in-place concrete structure 11 in drawknot pole 1 lower right corner: a fixed block 2 is arranged at the front side of a tie rod 1, a rotating block 3 is welded at the front side of the fixed block 2, a fastener 4 is rotatably connected on the surface of the rotating block 3, a buckling pin 5 is welded at the right end of the front side of the fixed block 2, the right side of the fastener 4 is sleeved on the buckling pin 5, a fixing nut 6 is in threaded connection with the surface of the buckling pin 5, a scaffold frame body 7 is placed between the fastener 4 and the tie rod 1, an anchoring flat steel 8 is inserted at the right side of the tie rod 1, the anchoring flat steel 8 is a rolled flat steel and is mechanically perforated, the bottom end of the anchoring flat steel 8 is inserted into a cast-in-place concrete structure 11, an inserting rod 10 positioned above the anchoring flat steel 8 is inserted into the right side of the inner cavity of the tie rod 1, a connecting pin 9 penetrates through the right side of the top of the tie rod 1, the bottom end of the connecting pin 9 penetrates through the anchoring flat steel 8 and the inserting rod 10 and penetrates to the bottom of the tie rod 1, and the lower end of the connecting pin is locked by a split pin; the rear side at 1 top of drawknot pole has welded installed part 12, the rear side of installed part 12 runs through and is provided with connecting bolt 13, fixed block 2 and installed part 12 pass through connecting bolt 13 fixed connection, drawknot pole 1 is the same type steel pipe with scaffold frame body 7, the right-hand member of drawknot pole 1 is extruded into the flat end of undercut through the lathe, the shape of anchor band steel 8 is the L shape of putting upside down, the montant end of anchor band steel 8 inserts in cast-in-place concrete structure 11, the horizontal pole end of anchor band steel 8 inserts the inner chamber at drawknot pole 1.

The working principle is as follows: the utility model discloses during the use, before the use, at first, anchor band steel 8 will set firmly in cast-in-place concrete structure 11, then cup joint drawknot pole 1 on anchor band steel 8, insert in drawknot pole 1 and be located anchor band steel 8 with inserted bar 10, accomplish the stability to drawknot pole 1 installation with this, guarantee drawknot pole 1 can not move about, then insert connecting pin 9, with drawknot pole 1 under connecting pin 9's effect, anchor band steel 8 and inserted bar 10 are established ties together, accomplish the installation, with fixing nut 6 unscrewing from buckle 5 after that, then turn on buckle 4 forward side open, place the front side of drawknot pole 1 with scaffold frame body 7, then turn over fastener 4 and restore to the throne, make buckle 5 imbed in the fastener 4, it fixes fastener 4 to tighten fixing nut 6 at last, accomplish the installation of scaffold frame body 7. The inserted bar is added for further optimizing the scheme, because if a gap exists between the anchoring flat steel and the inner cavity of the pull-in rod, the stability is affected, and the gap is eliminated by adding the inserted bar.

In summary, the following steps: according to the scaffold pull node, the anchoring flat steel 8 is rolled into flat steel by adopting rolling equipment, the anchoring flat steel 8 is placed in a cast-in-place concrete structure 11, and the anchoring flat steel 8 has enough tensile strength and shear strength to meet the stress requirement; the shaped tie rod 1 adopts a steel pipe of the same type as the scaffold frame body 7, one end of the steel pipe is extruded into a porous connecting end which can be in socket joint with the anchoring flat steel 8 through a lathe, the connecting end is fixed with the anchoring flat steel 8 through a connecting pin 9, the extruded connecting end has certain tensile strength and compressive strength, the connecting pin 9 reduces the connecting gap, reliable rigid connecting force can be provided, the tie rod 1 can be conveniently detached, the tie rod 1 and the connecting pin 9 can be repeatedly used, and material waste is avoided; anchor band steel 8 provides sufficient tensile and shear strength, ensures the result of use, has solved and has drawn the node for occupation structural space, needs later stage repair and installation, demolishs the trouble, and the staff is under construction inconveniently, influences the work efficiency problem.

The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the invention to achieve the aim of the invention.

Claims

1. The scaffold bracing point is characterized by comprising a bracing rod (1) and a cast-in-place concrete structure (11) positioned at the lower right corner of the bracing rod (1): the front side of drawknot pole (1) is provided with fixed block (2), the front side welded of fixed block (2) has turning block (3), the surface of turning block (3) is rotated and is connected with fastener (4), the right-hand member welding of fixed block (2) front side has pintle (5), the right side of fastener (4) is cup jointed on pintle (5), the surperficial threaded connection of pintle (5) has fixing nut (6), scaffold frame body (7) have been placed between fastener (4) and drawknot pole (1), the right side of drawknot pole (1) is pegged graft and is had anchor band steel (8), insert in cast-in-place concrete structure (11) the bottom of anchor band steel (8).

2. The scaffold draw-bar joint according to claim 1, characterized in that the right side of the inner cavity of the tie bar (1) is inserted with an insertion bar (10) above the anchoring flat steel (8), the right side of the top of the tie bar (1) is provided with a connecting pin (9) in a penetrating way, and the bottom end of the connecting pin (9) penetrates through the anchoring flat steel (8) and the insertion bar (10) and penetrates to the bottom of the tie bar (1); the lower end of the connecting pin (9) is locked by a cotter pin.

3. A scaffold node according to claim 1, characterized in that the mounting piece (12) is welded on the rear side of the top of the tie rod (1), the connecting bolt (13) is arranged through the rear side of the mounting piece (12), and the fixing block (2) and the mounting piece (12) are fixedly connected through the connecting bolt (13).

4. A scaffolding stay node according to claim 1, characterized in that the anchoring steel flats (8) are insertion rods made of rolled steel flats by mechanical punching and bending.

5. The scaffold draw node according to claim 1, characterized in that the tie rod (1) and the scaffold body (7) are steel pipes of the same type, and the right end of the tie rod (1) is extruded into a flat end which is concave downwards by a machine tool.

6. A scaffolding tie node according to claim 2, characterized in that the anchoring flat (8) is in the shape of an upside down L, the vertical rod end of the anchoring flat (8) being inserted in the cast-in-place concrete structure (11) and the transverse rod end of the anchoring flat (8) being inserted in the inner cavity of the tie rod (1).