阅读说明：本技术 悬挑脚手架锚固螺栓结构和安装方法 (Anchoring bolt structure of cantilever scaffold and mounting method ) 是由 王云 冯坤昌 杨栋 王斌 赵凤华 秦松鹤 李小勇 叶根龙 刘亚芳 冯春明 杜鹏 于 2020-06-29 设计创作，主要内容包括：本申请涉及一种悬挑脚手架锚固螺栓结构和安装方法,悬挑脚手架锚固螺栓结构,包括支撑部、模板、锚板、螺栓、压板和螺母,所述支撑部位于楼板下方,所述模板位于楼板与支撑部之间,所述锚板位于模板远离支撑部的一侧,所述模板位于锚板的周围设置有用于定位锚板的定位钉,所述定位钉贯穿模板且插入支撑部,所述螺栓与锚板远离模板的一侧固定连接,所述螺栓对称设置于锚板上,所述压板位于钢梁上方且与螺栓滑动连接,所述螺母与螺栓顶端螺纹连接,所述螺母与压板上表面抵接。本申请具有方便后续安装钢梁、可重复利用、节约成本的效果。(The utility model relates to a scaffold frame anchor bolt structure encorbelments and mounting method, scaffold frame anchor bolt structure encorbelments, including supporting part, template, anchor slab, bolt, clamp plate and nut, the supporting part is located the floor below, the template is located between floor and the supporting part, the anchor slab is located the one side that the supporting part was kept away from to the template, the template is located and is provided with the staple that is used for fixing a position the anchor slab around the anchor slab, the staple runs through the template and inserts the supporting part, one side fixed connection of template is kept away from to bolt and anchor slab, the bolt symmetry sets up on the anchor slab, the clamp plate is located the girder steel top and with bolt sliding connection, nut and bolt top threaded connection, nut and clamp plate upper surface butt. This application has the effect of convenient follow-up installation girder steel, reuse, saving cost.)

1. Scaffold frame anchor bolt structure encorbelments, its characterized in that: comprises a supporting part (1), a template (2), an anchor plate (3), bolts (4), a pressing plate (5) and nuts (6), wherein the supporting part (1) is positioned below a floor slab (7), the template (2) is positioned between the floor slab (7) and the supporting part (1), the anchor plate (3) is positioned on one side of the template (2) far away from the supporting part (1), positioning nails (8) used for positioning the anchor plate (3) are arranged around the anchor plate (3) in the template (2), the positioning nails (8) penetrate through the template (2) and are inserted into the supporting part (1), the bolts (4) and the anchor plate (3) are fixedly connected with one side of the template (2) far away from, the bolts (4) are symmetrically arranged on the anchor plate (3), the pressing plate (5) is positioned above a steel beam (9) and is in sliding connection with the bolts (4), the nuts (6) are in threaded connection with the top ends of the bolts (4), the nut (6) is abutted against the upper surface of the pressing plate (5).

2. The overhanging scaffold anchor bolt structure of claim 1, wherein: anchor plate (3) top is equipped with protective sheath (10) that covers anchor plate (3) and location nail (8), protective sheath (10) inside is equipped with cavity (11) of placing anchor plate (3) and location nail (8), protective sheath (10) top intercommunication has a plurality of sleeve pipes (12), the one end that protective sheath (10) were kept away from in sleeve pipe (12) runs through floor (7), bolt (4) wear out in sleeve pipe (12) and with sleeve pipe (12) between leave the clearance.

3. The overhanging scaffold anchor bolt structure of claim 2, wherein: and an isolation layer is arranged on one surface of the protective sleeve (10) and the surface of the sleeve (12) which are in contact with the floor slab (7).

4. The overhanging scaffold anchor bolt structure of claim 2, wherein: and a sealing sleeve (13) is arranged between the top end of the sleeve (12) and the bolt (4).

5. The overhanging scaffold anchor bolt structure of claim 1, wherein: the steel beam fastening device is characterized in that a fixing plate (14) is detachably connected to the bolt (4), the fixing plate (14) is located between the pressing plate (5) and the floor (7), a limiting portion (15) is arranged on the side face of the steel beam (9), and a driving mechanism (16) for driving the limiting portion (15) to tightly abut against the side face of the steel beam (9) is arranged on the fixing plate (14).

6. The overhanging scaffold anchor bolt structure of claim 5, wherein: actuating mechanism (16) includes screw rod (161), handle (162), the one end fixed connection of handle (162) and screw rod (161), screw rod (161) run through fixed plate (14) and rather than threaded connection, the one end and the spacing portion (15) rotation connection of handle (162) are kept away from to screw rod (161).

7. The overhanging scaffold anchor bolt structure of claim 5, wherein: the fixed plate (14) is towards one side of bolt (4) and is offered joint groove (17) with bolt (4) joint, the opening in joint groove (17) is towards girder steel (9).

8. The mounting method of the anchoring bolt structure of the cantilever scaffold is characterized in that: comprises the following steps of (a) carrying out,

the supporting part (1) is installed, a supporting frame is erected at a preset position, and the supporting part (1) is fixed above the supporting frame;

laying a template (2), laying the template (2) above the supporting part (1), and installing baffles around the template (2) to surround to form a pouring cavity;

installing an anchor plate (3) and a bolt (4), carrying out positioning measurement on the position of the anchor plate (3), marking the position of the anchor plate (3), placing the anchor plate (3) at a positioning position, installing a positioning nail (8) around the anchor plate (3), and inserting the positioning nail (8) into the supporting part (1) through the template (2);

demoulding, namely sleeving a plastic pipe on the bolt (4), wrapping the threaded part at the top end of the bolt (4) with a plastic film, and coating a demoulding agent on the surfaces of the anchor plate (3) and the plastic pipe;

pouring concrete, pouring the concrete into the pouring cavity, and curing and solidifying;

install girder steel (9), place girder steel (9) between bolt (4), clamp plate (5) are put in girder steel (9) top and with bolt (4) sliding connection, with nut (6) and bolt (4) top threaded connection, nut (6) and clamp plate (5) upper surface butt, the installation finishes.

Technical Field

The application relates to the field of building construction, in particular to an anchoring bolt structure of an overhanging scaffold and an installation method.

Background

With the rapid development of the building industry, building structures are pushed to be higher and more complex, high-rise and special-shaped building structures are increasing day by day, cantilever scaffolds are often necessary conditions for ensuring smooth construction of the scaffold, and the scaffold has the advantages of flexible layout, good safety performance, no mutual interference with other procedures and the like, and is widely applied. The existing method is gradually developed to tool, and the fixed end of the overhanging scaffold plays a role in fixing a steel beam and resisting the action force of bending moment transmitted by the load of an outer frame.

At present, pre-buried U shaped steel pull ring on floor or roof beam among the correlation technique, fixed together with the concrete after concreting, then wear to establish in U shaped steel pull ring with the shaped steel roof beam that encorbelments to with the wooden wedge space between the two between U shaped steel pull ring and the girder steel, cut off U shaped steel pull ring after encorbelmenting the outrigger and demolising.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the pre-buried location of U shaped steel muscle pull ring is inconvenient, and easy skew in concrete placement, bring inconvenience for the girder steel installation at the back.

Disclosure of Invention

In order to improve the inconvenient problem of installation in the work progress, this application provides a scaffold frame anchor bolt structure encorbelments and mounting method.

First aspect, this application provides a scaffold frame anchor bolt structure encorbelments, adopts following technical scheme:

cantilever scaffold frame anchor bolt structure, including supporting part, template, anchor slab, bolt, clamp plate and nut, the supporting part is located the floor below, the template is located between floor and the supporting part, the anchor slab is located the one side that the supporting part was kept away from to the template, the template is located and is provided with the set nail that is used for fixing a position the anchor slab around the anchor slab, the set nail runs through the template and inserts the supporting part, one side fixed connection of template is kept away from with the anchor slab to the bolt, the bolt symmetry sets up on the anchor slab, the clamp plate is located the girder steel top and with bolt sliding connection, nut and bolt top threaded connection, nut and clamp plate upper surface butt.

By adopting the technical scheme, when the bolts are pre-buried, firstly, a support frame is erected at a preset position, a support part is fixed above the support frame, a template is laid above the support part, baffle plates are arranged around the template to surround and form a pouring cavity, the position of an anchor plate is positioned and measured, the position of the anchor plate is marked by paint, the anchor plate is placed at a positioning part, positioning nails are arranged around the anchor plate, the positioning nails can adopt iron nails, the positioning nails penetrate through the template and are inserted into the support part, a plastic pipe is sleeved on the bolts, the plastic pipe can be a PVC pipe, the threaded part at the top end of the bolts is wrapped by a plastic film, a release agent is coated on the surfaces of the anchor plate and the plastic pipe, concrete is poured into the pouring cavity, curing and solidification are carried out, steel beams are placed between the bolts, a pressing plate is arranged above the steel beams and is in sliding connection with the bolts, nuts are in, and (5) finishing the installation.

The anchor plate is not easy to deviate during pouring due to the positioning effect of the positioning nails and the template during construction, so that the steel beam is convenient to install subsequently; when the scaffold needs to be disassembled, the nut is unscrewed, the pressing plate and the steel beam are disassembled, the supporting part is disassembled, the top end of the screw rod is uniformly knocked by a wooden hammer, so that the anchor plate, the screw rod and the floor slab are separated, the screw rod and the nut are coated with machine oil or antirust paint in time and then assembled and put in storage, so that next time of recycling is prepared, and the cost is saved.

Preferably, the anchor plate top is equipped with the protective sheath that covers anchor plate and location nail, the inside cavity of placing anchor plate and location nail that is equipped with of protective sheath, protective sheath top intercommunication has a plurality of sleeves, the one end that the protective sheath was kept away from to the sleeve pipe runs through the floor, the bolt wear out from the sleeve pipe and leave the clearance between the sleeve pipe.

Through adopting above-mentioned technical scheme, because the area of contact of location nail, anchor slab and bolt and floor is great, the contact surface is unsmooth moreover, is difficult for separating with the floor when demolising, and protective sheath and sleeve pipe can become plane or curved surface with the contact surface for it is more convenient when demolising the bolt.

Preferably, the surface of the protective sleeve, the sleeve and the floor contacting is provided with an isolation layer.

Through adopting above-mentioned technical scheme, the isolation layer can adopt the spraying of release agent to form, can reduce the adhesion force between concrete and the protective sheath, convenient follow-up dismantlement.

Preferably, a sealing sleeve is arranged between the top end of the sleeve and the bolt.

Through adopting above-mentioned technical scheme, the seal cover can seal the gap between sleeve pipe top and the bolt, both can prevent that the concrete from getting into this gap, also can prevent that the lime-ash during the construction from falling into the gap, makes things convenient for the later stage to dismantle.

Preferably, the bolt is detachably connected with a fixing plate, the fixing plate is located between the pressing plate and the floor slab, the side face of the steel beam is provided with a limiting portion, and the fixing plate is provided with a driving mechanism for driving the limiting portion to tightly abut against the side face of the steel beam.

By adopting the technical scheme, although the steel beam can be pressed by the pressing plate from the upper part, the steel beam can be subjected to a force vertical to the length direction of the steel beam when being installed or used, and the steel beam can be possibly deviated; after the pressing plate compresses the steel beam, the driving mechanism is used for driving the limiting part to abut against the side face of the steel beam, so that the possibility of steel beam deviation is reduced, the installation is convenient, and the stability of the steel beam is improved.

Preferably, actuating mechanism includes screw rod, handle, the one end fixed connection of handle and screw rod, the screw rod runs through the fixed plate and rather than threaded connection, the one end and the spacing portion rotation that the handle was kept away from to the screw rod are connected.

By adopting the technical scheme, the handle is rotated, and the handle drives the limiting part to tightly abut against the side wall of the steel beam, so that the steel beam is quickly fixed; when dismantling the girder steel, reverse rotation handle, the girder steel is kept away from to the spacing portion of handle drive to quick-release girder steel, convenient operation.

Preferably, the fixed plate is seted up towards one side of bolt with the joint groove of bolt joint, the opening in joint groove is towards the girder steel.

Through adopting above-mentioned technical scheme, because the bolt will be followed the floor below and demolishd, in order to avoid the fixed plate to influence demolising of bolt, joint groove and bolt joint pull down the fixed plate earlier, demolish the bolt again, convenient operation.

In a second aspect, the application provides a mounting method of an anchor bolt structure of an overhanging scaffold, which adopts the following technical scheme:

the method for installing the anchoring bolt structure of the cantilever scaffold comprises the following steps,

the supporting part is installed, a supporting frame is erected at a preset position, and the supporting part is fixed above the supporting frame;

laying a template, namely laying the template above the supporting part, and installing baffles around the template to surround to form a pouring cavity;

installing an anchor plate and a bolt, carrying out positioning measurement on the position of the anchor plate, marking the position of the anchor plate, placing the anchor plate at a positioning position, installing positioning nails around the anchor plate, and inserting the positioning nails into the supporting part through the template;

demoulding, namely sleeving a plastic pipe on the bolt, wrapping the thread part at the top end of the bolt with a plastic film, and coating a demoulding agent on the surfaces of the anchor plate and the plastic pipe;

pouring concrete, pouring the concrete into the pouring cavity, and curing and solidifying;

the installation girder steel is placed the girder steel between the bolt, and the clamp plate is put in the girder steel top and with bolt sliding connection, with nut and bolt top threaded connection, nut and clamp plate upper surface butt, the installation finishes.

By adopting the technical scheme, the anchor plate is not easy to deviate during pouring due to the positioning action of the positioning nails and the template during construction, so that the steel beam is convenient to install subsequently; when the scaffold needs to be disassembled, the nut is unscrewed, the pressing plate and the steel beam are disassembled, the supporting part is disassembled, the top end of the screw rod is uniformly knocked by a wooden hammer, so that the anchor plate, the screw rod and the floor slab are separated, the screw rod and the nut are coated with machine oil or antirust paint in time and then assembled and put in storage, so that next time of recycling is prepared, and the cost is saved.

The bolt holes left on the floor slab are filled with cement mortar added with an expanding agent, the cement mortar is tamped by steel bars in a layering way, the anchor plate at the bottom of the floor slab is taken off, the interface agent is coated after the picking, chiseling and galling, cleaning and wetting are carried out, and the cement mortar mixed with an adhesive is filled to be flush with the lower surface of the floor slab.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the supporting part, the template, the anchor plate, the bolt, the pressing plate and the nut, the anchor plate is not prone to shifting during pouring due to the positioning effect of the positioning nail and the template during construction, and the steel beam is convenient to mount subsequently; when the scaffold needs to be disassembled, the nut is unscrewed, the pressing plate and the steel beam are disassembled, the supporting part is disassembled, the top end of the screw rod is uniformly knocked by a wooden hammer, so that the anchor plate, the screw rod and the floor slab are separated, the screw rod and the nut are coated with machine oil or antirust paint in time and then assembled and put in storage, so that next time of recycling is prepared, and the cost is saved.

2. Through setting up protective sheath, sleeve pipe, protective sheath and sleeve pipe can become plane or curved surface with the contact surface for it is more convenient when demolising the bolt.

3. Through setting up fixed plate, spacing portion, actuating mechanism, after the clamp plate compresses tightly the girder steel, utilize the spacing portion of actuating mechanism drive to support the side of tight girder steel to reduce the possibility of girder steel skew, simple to operate improves the stability of girder steel moreover.

Drawings

Fig. 1 is a schematic structural view of a hidden protective sleeve and a hidden sleeve of an anchoring bolt structure of a cantilever scaffold according to an embodiment of the present application.

Fig. 2 is a schematic structural diagram of an overhanging scaffold anchor bolt structure according to an embodiment of the present application after installation.

Fig. 3 is a partial cross-sectional view of an overhanging scaffold anchor bolt configuration of an embodiment of the present application along the axis of both bolts on the same side.

Fig. 4 is a schematic structural diagram of an anchor bolt structure of a cantilever scaffold according to an embodiment of the present application.

Description of reference numerals: 1. a support portion; 2. a template; 3. an anchor plate; 4. a bolt; 5. pressing a plate; 6. a nut; 7. a floor slab; 8. positioning nails; 9. a steel beam; 10. a protective sleeve; 11. a cavity; 12. a sleeve; 13. sealing sleeves; 14. a fixing plate; 15. a limiting part; 16. a drive mechanism; 161. a screw; 162. a handle; 17. a clamping groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an anchor bolt structure of an overhanging scaffold, referring to fig. 1 and 2, the anchor bolt structure of the overhanging scaffold comprises a supporting part 1, a template 2, an anchor plate 3, a bolt 4, a pressing plate 5 and a nut 6, wherein the supporting part 1 is positioned below a floor slab 7, the supporting part 1 is a square timber, the template 2 is positioned between the floor slab 7 and the supporting part 1, the template 2 is a wood board, the anchor plate 3 is positioned on one side of the template 2 away from the supporting part 1, the template 2 is positioned around the anchor plate 3 and is provided with a positioning nail 8 for positioning the anchor plate 3, the positioning nail 8 is an iron nail or a screw, the positioning nail 8 penetrates through the template 2 and is inserted into the supporting part 1, the bolt 4 is fixedly connected with one side of the anchor plate 3 away from the template 2, the bolt 4 is perpendicular to the anchor plate 3, in the embodiment, the anchor plate 3 is welded with the bolt 4, the bolt 4 is symmetrically, bolt 4 sets up to four on an anchor slab 3, and clamp plate 5 is located 9 tops of girder steel and with 4 sliding connection of bolt, nut 6 and 4 top threaded connection of bolt, nut 6 and 5 upper surface butts of clamp plate, and wherein, girder steel 9 is the I-steel.

When the bolts 4 are pre-buried, firstly, a support frame is erected at a preset position, a support part 1 is fixed above the support frame, a template 2 is laid above the support part 1, baffle plates are arranged around the template 2 to surround to form a pouring cavity, the position of an anchor plate 3 is positioned and measured, the position of the anchor plate 3 is marked by paint, the anchor plate 3 is placed at a positioning position, positioning nails 8 are arranged around the anchor plate 3, the positioning nails 8 can be iron nails, the positioning nails 8 penetrate through the template 2 and are inserted into the support part 1, a plastic pipe is sleeved on the bolts 4, the plastic pipe can be a PVC pipe, the threaded parts at the top ends of the bolts 4 are wrapped by plastic films, a release agent is coated on the surfaces of the anchor plate 3 and the plastic pipe, concrete is poured into the pouring cavity, the steel beams 9 are placed between the bolts 4, a pressing plate 5 is arranged above the steel beams 9 and is in sliding connection with the bolts 4, nuts 6 are in, the nut 6 is abutted against the upper surface of the pressing plate 5, and the installation is finished. Because anchor plate 3 receives the location effect of location nail 8 and template 2 when the construction, should not squint when pouring, convenient follow-up installation girder steel 9.

Referring to fig. 3 and 4, since the contact area of the anchor pins 8, the anchor plates 3 and the bolts 4 with the floor slab 7 is large and the contact surface is uneven, it is not easily separated from the floor slab 7 when it is removed. Therefore, a protective sleeve 10 for covering the anchor plate 3 and the positioning nail 8 is arranged above the anchor plate 3, the protective sleeve 10 is cuboid, a cavity 11 for placing the anchor plate 3 and the positioning nail 8 is formed in the protective sleeve 10, and the positioning nail 8 is tightly attached to the inner wall of the protective sleeve 10. A plurality of sleeves 12 are communicated above the protective sleeve 10, in this embodiment, the number of the sleeves 12 is four, one end of each sleeve 12, which is far away from the protective sleeve 10, penetrates through the floor slab 7, and the bolt 4 penetrates out of the sleeve 12 and leaves a gap with the sleeve 12. The protective casing 10 and the sleeve 12 may change the contact surface to a flat or curved surface to facilitate removal of the bolt 4.

The one side of protective sheath 10, sleeve pipe 12 and floor 7 contact is equipped with the isolation layer, and in this embodiment, the isolation layer can adopt the spraying of release agent to form, can reduce the adhesion force between concrete and the protective sheath 10, convenient follow-up dismantlement.

Referring to fig. 3 and 4, elastic joint has seal cover 13 between 12 tops of sleeve pipe and the bolt 4, and seal cover 13 is rubber materials, and seal cover 13 can seal the gap between 12 tops of sleeve pipe 13 and the bolt 4, both can prevent that the concrete from getting into this gap, also can prevent that the lime-ash when constructing from falling into the gap, makes things convenient for the later stage to dismantle.

Although clamp plate 5 can compress tightly girder steel 9 from the top, girder steel 9 can receive perpendicular to girder steel 9 length direction's power when installation or use, may lead to girder steel 9 skew, consequently, can dismantle on bolt 4 and be connected with fixed plate 14, fixed plate 14 is located between clamp plate 5 and floor 7, and the side of girder steel 9 is provided with spacing portion 15, and the limited plate is the channel-section steel, and the opening of channel-section steel deviates from the web of girder steel 9, is provided with the actuating mechanism 16 that the spacing portion 15 of drive supported girder steel 9 side on the fixed plate 14.

The driving mechanism 16 includes a screw 161 and a handle 162, the handle 162 is welded to one end of the screw 161, the screw 161 penetrates the fixing plate 14 and is connected to the fixing plate through a screw thread, and one end of the screw 161, which is far away from the handle 162, is rotatably connected to the limiting portion 15.

After clamp plate 5 compresses tightly girder steel 9, twist grip 162, handle 162 drives spacing portion 15 and supports tight girder steel 9 lateral wall, quick fixed girder steel 9 to reduce the possibility of girder steel 9 skew, simple to operate.

Because bolt 4 will be demolishd from floor 7 below, in order to avoid fixed plate 14 to influence the demolishment of bolt 4, fixed plate 14 is seted up the joint groove 17 with bolt 4 joint towards one side of bolt 4, and the opening of joint groove 17 is towards girder steel 9. The clamping groove 17 is clamped with the bolt 4, the fixing plate 14 is firstly dismounted, and then the bolt 4 is dismounted, so that the operation is convenient.

The implementation principle of the anchor bolt structure of the cantilever scaffold in the embodiment of the application is as follows:

when the bolts 4 are pre-buried, firstly, a support frame is erected at a preset position, a support part 1 is fixed above the support frame, a template 2 is laid above the support part 1, baffle plates are arranged around the template 2 to surround to form a pouring cavity, the position of an anchor plate 3 is positioned and measured, the position of the anchor plate 3 is marked by paint, the anchor plate 3 is placed at a positioning position, positioning nails 8 are arranged around the anchor plate 3, the positioning nails 8 can be iron nails, the positioning nails 8 penetrate through the template 2 and are inserted into the support part 1, a plastic pipe is sleeved on the bolts 4, the plastic pipe can be a PVC pipe, the threaded parts at the top ends of the bolts 4 are wrapped by plastic films, a release agent is coated on the surfaces of the anchor plate 3 and the plastic pipe, concrete is poured into the pouring cavity, the steel beams 9 are placed between the bolts 4, a pressing plate 5 is arranged above the steel beams 9 and is in sliding connection with the bolts 4, nuts 6 are in, the nut 6 is abutted against the upper surface of the pressing plate 5, and the installation is finished.

The anchor plate 3 is not prone to offset during pouring due to the positioning effect of the positioning nails 8 and the template 2 during construction, and the steel beam 9 is convenient to mount subsequently; when the scaffold needs to be disassembled, the nut 6 is unscrewed, the pressing plate 5 and the steel beam 9 are disassembled, the supporting part 1 is disassembled, the top end of the screw rod 161 is uniformly knocked by a wooden hammer, so that the anchor plate 3 and the screw rod 161 are separated from the floor slab 7, and the screw rod 161 and the nut 6 are coated with machine oil or antirust paint in time and then assembled and stored in a warehouse for next recycling, so that the cost is saved.

The embodiment of the application also discloses an installation method of the anchoring bolt structure of the overhanging scaffold, which comprises the following steps,

the supporting part 1 is installed, a supporting frame is erected at a preset position, and the supporting part 1 is fixed above the supporting frame;

laying a template 2, laying the template 2 above the supporting part 1, and installing baffles around the template 2 to surround to form a pouring cavity;

installing an anchor plate 3 and a bolt 4, carrying out positioning measurement on the position of the anchor plate 3, marking the position of the anchor plate 3, placing the anchor plate 3 at a positioning position, installing a positioning nail 8 around the anchor plate 3, and inserting the positioning nail 8 into the supporting part 1 through the template 2;

demoulding, namely sleeving a plastic pipe on the bolt 4, wrapping the threaded part at the top end of the bolt 4 with a plastic film, and coating a demoulding agent on the surfaces of the anchor plate 3 and the plastic pipe;

pouring concrete, pouring the concrete into the pouring cavity, and curing and solidifying;

install girder steel 9, place girder steel 9 between bolt 4, clamp plate 5 put 9 tops of girder steel and with bolt 4 sliding connection, with nut 6 and 4 top threaded connection of bolt, nut 6 and 5 upper surface butts of clamp plate, the installation finishes.

The implementation principle of the installation method of the anchoring bolt structure of the overhanging scaffold in the embodiment of the application is as follows: the anchor plate 3 is positioned by the positioning nails 8 and the template 2 during construction, and is not prone to shifting during pouring, so that the steel beam 9 is convenient to mount subsequently; when the scaffold needs to be disassembled, the nut 6 is unscrewed, the pressing plate 5 and the steel beam 9 are disassembled, the supporting part 1 is disassembled, the top end of the screw rod 161 is uniformly knocked by a wooden hammer, so that the anchor plate 3 and the screw rod 161 are separated from the floor slab 7, and the screw rod 161 and the nut 6 are coated with machine oil or antirust paint in time and then assembled and stored in a warehouse for next recycling, so that the cost is saved.

The holes of the bolts 4 left on the floor 7 are filled with cement mortar added with an expanding agent, the holes are tamped by steel bars in a layering way, the anchor plate 3 at the bottom of the floor 7 is taken off, interface agents are coated after chiseling and napping, cleaning and wetting are carried out, and then the cement mortar mixed with the adhesive is filled to be flush with the lower surface of the floor 7.

The embodiment of the application also discloses an installation method of the anchoring bolt structure of the overhanging scaffold, which comprises the following steps,

the supporting part 1 is installed, a supporting frame is erected at a preset position, and the supporting part 1 is fixed above the supporting frame;

laying a template 2, laying the template 2 above the supporting part 1, and installing baffles around the template 2 to surround to form a pouring cavity;

installing an anchor plate 3 and a bolt 4, carrying out positioning measurement on the position of the anchor plate 3, marking the position of the anchor plate 3, placing the anchor plate 3 at a positioning position, installing a positioning nail 8 around the anchor plate 3, and inserting the positioning nail 8 into the supporting part 1 through the template 2;

demoulding, namely sleeving a protective sleeve 10 on the anchor plate 3, sleeving a sleeve 12 on the bolt 4, wrapping a threaded part at the top end of the bolt 4 with a plastic film, sealing a gap between the top end of the sleeve 12 and the bolt 4 with a sealing sleeve 13, and coating a demoulding agent on the contact surfaces of the protective sleeve 10 and the sleeve 12 with the floor slab 7;

pouring concrete, pouring the concrete into the pouring cavity, and curing and solidifying;

installation girder steel 9 places girder steel 9 between bolt 4, and clamp plate 5 is put in girder steel 9 top and with bolt 4 sliding connection, with nut 6 and 4 top threaded connection of bolt, nut 6 and 5 upper surface butts of clamp plate, after clamp plate 5 compresses tightly girder steel 9, twist grip 162, and handle 162 drives spacing portion 15 and supports tight girder steel 9 lateral wall, quick fixed girder steel 9 to reduce the possibility of girder steel 9 skew, simple to operate.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.