CN218091929U - Pull rod type overhanging scaffold - Google Patents
Pull rod type overhanging scaffold Download PDFInfo
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- CN218091929U CN218091929U CN202222088951.1U CN202222088951U CN218091929U CN 218091929 U CN218091929 U CN 218091929U CN 202222088951 U CN202222088951 U CN 202222088951U CN 218091929 U CN218091929 U CN 218091929U
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Abstract
The utility model discloses a pull rod formula scaffold frame of encorbelmenting relates to construction technical field, and the one end of solving current shaped steel outrigger is directly fixed in indoor concrete beam slab structure, influences the problem of the indoor construction of layer of encorbelmenting. The utility model adopts the technical proposal that: draw bar formula scaffold frame of encorbelmenting, the cantilever beam is through connection structure fixed mounting in the outside of major structure down, and the cantilever beam can not cause the influence to the indoor construction of layer of encorbelmenting. The lower connecting structure comprises a positioning plate and a limiting plate, and after the wall-penetrating connecting rod on one side of the limiting plate penetrates through the main structure and the positioning hole in the positioning plate, the wall-penetrating connecting rod is fastened through a first nut, so that the wall-penetrating connecting rod is stable in connection and convenient to construct. The upper end of pull rod is fixed in the major structure outside through last connection structure, and the lower extreme of pull rod links to each other with the one end that the locating plate was kept away from to the cantilever beam, sets up the scaffold frame on the cantilever beam, and major structure, cantilever beam and pull rod form right angled triangle's shape, form firm atress structure, ensure the bearing capacity of cantilever beam.
Description
Technical Field
The utility model relates to a construction technical field specifically is a pull rod formula scaffold frame of encorbelmenting.
Background
The conventional scaffold erecting mode comprises three modes of an electric lifting frame, a profile steel cantilever type overhanging scaffold and a support rod type overhanging scaffold. The three types of scaffolds have respective advantages and disadvantages, and the electric lifting frame has the advantages of free lifting, no working procedure time occupation and tower crane lifting times, safety and reliability, but high cost and uneconomic performance. The shaped steel outrigger of shaped steel outrigger formula scaffold frame of encorbelmenting directly stretches into indoorly, need be fixed in the concrete beam slab structure on, adopts crab-bolt and building beam slab fixed, and the anchor is examined pre-buried to concrete beam, slab bottom reinforcing bar position, and it is big to have the installation construction degree of difficulty, and the problem that later stage floor, outer wall mend the not good processing of hole infiltration problem, and the layer interior decoration of encorbelmenting all will wait to demolish shaped steel outrigger and just can be under construction moreover, direct influence engineering progress.
SUMMERY OF THE UTILITY MODEL
The utility model provides an at first, pull rod formula scaffold frame of encorbelmenting solves the one end snap-on of current shaped steel outrigger in indoor concrete beam slab structure, influences the problem of the indoor construction of layer of encorbelmenting.
The utility model adopts the technical proposal that: the pull rod type cantilever scaffold comprises a cantilever beam, a pull rod, a lower connecting structure and an upper connecting structure, wherein the lower connecting structure is used for fixing one end of the cantilever beam outside a main body structure, the upper connecting structure is used for fixing the upper end of the pull rod outside the main body structure, and the mounting position of the upper connecting structure is positioned right above the mounting position of the lower connecting structure; the lower connecting structure comprises a positioning plate and a limiting plate, one end of the cantilever beam is fixedly connected with the positioning plate, at least two positioning holes are formed in the positioning plate, a through-wall connecting rod is fixedly arranged on one surface of the limiting plate, the through-wall connecting rods correspond to the positioning holes in the positioning plate one by one and are mutually matched, and each through-wall connecting rod is provided with an external thread and is provided with at least one first nut; and a scaffold is erected on the cantilever beam, and the other end of the cantilever beam is connected with the lower end of the pull rod.
Further, the method comprises the following steps: the pull rod comprises a first screw rod and a second screw rod, and the first screw rod is connected with the second screw rod through a turn buckle.
Further, the method comprises the following steps: the top surface of the cantilever beam is welded with a longitudinal steel beam, the center line direction of the longitudinal steel beam is vertical to the center line direction of the cantilever beam, and the scaffold is erected on the longitudinal steel beam.
Specifically, the method comprises the following steps: the cantilever beam is I-shaped steel, and a web plate of the I-shaped steel is vertically arranged.
Specifically, the method comprises the following steps: the positioning plate and the limiting plate are rectangular steel plates, the four corners of the positioning plate are respectively provided with a positioning hole, and the positioning plate is welded with the cantilever beam; four corners of the limiting plate are respectively connected with a through-wall connecting rod in a welding mode, and the four through-wall connecting rods are identical and parallel to each other in center line.
Further, the method comprises the following steps: each wall-penetrating connecting rod of the limiting plate is provided with two first nuts.
Specifically, the method comprises the following steps: the top of one end of the cantilever beam, which is far away from the positioning plate, is provided with a lifting lug and is connected with the lower end of the pull rod.
Specifically, the method comprises the following steps: the upper connecting structure comprises a high-strength bolt and a steel base plate, a lifting lug is arranged at the head of the high-strength bolt and is connected with the upper end of the pull rod, and a screw rod of the high-strength bolt is a through-wall screw rod and is provided with a base plate and at least one second nut. For example, the shank of the high-strength bolt is provided with two second nuts.
The beneficial effects of the utility model are that: cantilever beam is through connection structure fixed mounting in the outside of major structure down, and cantilever beam can not lead to the fact the influence to the indoor construction of the floor of encorbelmenting, still can keep the floor face of encorbelmenting clean and tidy. Lower connection structure includes locating plate and limiting plate, and the limiting plate sets up the wall connecting rod, and the wall connecting rod sets up the external screw thread and is equipped with first nut, and after the wall connecting rod runs through the locating hole on major structure and the locating plate, the rethread first nut fastens, connects firm and construction convenience, has still reduced cantilever beam to major structure's compressive stress through the locating plate. The upper end of the pull rod is fixed on the outer side of the main body structure through the upper connecting structure, the lower end of the pull rod is connected with one end, away from the positioning plate, of the cantilever beam, the main body structure, the cantilever beam and the pull rod form a right-angled triangle shape, a stable stress structure is formed, and bearing capacity of the cantilever beam is guaranteed.
The pull rod comprises a first screw rod and a second screw rod, the first screw rod and the second screw rod are connected through a turn buckle, and the effective length of the pull rod can be conveniently adjusted. According to the stress of the cantilever beam, the cantilever beam is preferably made of I-shaped steel, a web plate of the I-shaped steel is vertically arranged, and wing plates on the upper side and the lower side of the web plate are fully utilized.
Drawings
Fig. 1 is a schematic structural view of the pull rod type overhanging scaffold of the present invention.
Fig. 2 is an enlarged view of the area a in fig. 1.
Fig. 3 is a positional relationship diagram of the pull rod and the positioning plate in fig. 1.
Fig. 4 is a perspective view of the limiting plate and the wall-penetrating connecting rod of fig. 1.
Reference numerals: cantilever beam 1, pull rod 2, major structure 3, locating plate 4, locating hole 41, limiting plate 5, through-wall connecting rod 6, first nut 7, scaffold 8, vertical girder steel 9, lug 10, high strength bolt 11, steel backing plate 12, second nut 13.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses scaffold frame is encorbelmented to pull rod formula includes cantilever beam 1 and pull rod 2 to and be used for being fixed in the lower connection structure in the major structure 3 outside with the one end of cantilever beam 1, and be used for being fixed in the last connection structure in the major structure 3 outside with the upper end of pull rod 2. The cantilever beam 1 can be made of steel pipes or section steel, the cantilever beam 1 is preferably made of I-shaped steel according to the stress of the cantilever beam 1, and a web plate of the I-shaped steel is arranged vertically after being installed. The pull rod 2 mainly bears tensile stress and can be of an integral structure or a segmented structure with adjustable length, for example, the pull rod 2 comprises a first screw rod and a second screw rod which are connected through a turnbuckle. The main structure 3 may be a wall, beam, column or other fixed building, and is required to be able to bear the load of the scaffold 8. The mounting position of the upper connecting structure is positioned right above the mounting position of the lower connecting structure, namely the connecting line between the mounting position of the upper connecting structure and the mounting position of the lower connecting structure is vertical. A scaffold 8 is erected on the cantilever beam 1, and the other end of the cantilever beam 1 is connected with the lower end of the pull rod 2. Cantilever beam 1, pull rod 2 and major structure 3 form right triangle's shape, and cantilever beam 1 corresponds right triangle's horizontal limit, and pull rod 2 corresponds right triangle's hypotenuse, and major structure 3 corresponds right triangle's vertical limit.
The lower connection structure is used to fix one end of the cantilever beam 1 from both sides of the main body structure 3. Lower connection structure includes locating plate 4 and limiting plate 5, cantilever beam 1's one end fixed connection locating plate 4, welded connection between cantilever beam 1 and the locating plate 4 for example, set up two at least locating holes 41 on the locating plate 4, fixed the setting of a face of limiting plate 5 wears wall connecting rod 6, wear wall connecting rod 6 and locating plate 4 on locating hole 41 one-to-one and mutual adaptation, every wears wall connecting rod 6 and sets up the external screw thread and disposes at least one first nut 7, it is used for running through major structure 3 and locating hole 41 and connects first nut 7 to wear wall connecting rod 6, first nut 7 locks locating plate 4 and limiting plate 5.
For example, referring to fig. 3, the cantilever beam 1 is an i-beam, the positioning plate 4 is a rectangular steel plate, one end of the cantilever beam 1 is welded and fixed with the positioning plate 4, the center line direction of the cantilever beam 1 is perpendicular to the plate surface of the positioning plate 4, four corners of the positioning plate 4 are respectively provided with a positioning hole 41, and the positioning holes 41 are circular holes. Referring to fig. 4, the limiting plate 5 is also a rectangular steel plate, four corners of the limiting plate 5 are respectively welded with a through-wall connecting rod 6, the four through-wall connecting rods 6 are identical, the central lines of the four through-wall connecting rods are parallel to each other, and the through-wall connecting rod 6 is provided with external threads and is provided with at least one first nut 7. The limiting plate 5 is located on the inner side of the main body structure 3, the main body structure 3 is provided with a through hole penetrating through the inner side and the outer side, the wall-through connecting rod 6 penetrates through the through hole of the main body structure 3 and is exposed out of the outer side of the main body structure 3, and the exposed part of the wall-through connecting rod 6 penetrates through the positioning hole 41 of the positioning plate 4 and is fastened through the first nut 7. In order to avoid the first nuts 7 from loosening, two first nuts 7 are arranged on each wall-through connecting rod 6 of the limiting plate 5.
The upper connecting structure is used for fixing the upper end of the pull rod 2 from two sides of the main body structure 3. The upper connecting structure comprises a high-strength bolt 11 and a steel backing plate 12, the head of the high-strength bolt 11 is connected with the upper end of the pull rod 2, and a screw rod of the high-strength bolt 11 is a through-wall screw rod and is provided with a backing plate and at least one second nut 13. Since the upper connecting structure needs to bear the tensile stress of the pull rod 2, the steel shim plate 12 is located on the inner side of the main body structure 3, and the head of the high-strength bolt 11 is located on the outer side of the main body structure 3. The steel shim plate 12 is located inside the main structure 3 to distribute the tensile stress of the tie rod 2 as much as possible. In order to facilitate the connection of the high-strength bolt 11 and the pull rod 2, a lifting lug 10 is arranged at the head of the high-strength bolt 11 and connected with the upper end of the pull rod 2. In order to avoid loosening of the second nuts 13, the shank of the high-strength bolt 11 is provided with two second nuts 13.
The lower extreme of pull rod 2 links to each other with the one end that cantilever beam 1 kept away from locating plate 4, and for the convenience of the connection of pull rod 2, the top that cantilever beam 1 kept away from the one end of locating plate 4 sets up lug 10 and links to each other with the lower extreme of pull rod 2. Scaffold 8 is directly set up to the top surface of cantilever beam 1, perhaps at least one vertical girder steel 9 of top surface welding of cantilever beam 1, and the central line direction of vertical girder steel 9 is perpendicular with the central line direction of cantilever beam 1, and scaffold 8 sets up in vertical girder steel 9.
The utility model discloses pull rod formula cantilever scaffold is when constructing, fixes limiting plate 5 in the inboard of major structure 1 at first, and wall connecting rod 6 wears out the through-hole that major structure 1 reserved or seted up; then, the positioning plate 4 and the cantilever beam 1 are arranged on the through-wall connecting rod 6, and the positioning plate 4 is fixed through a first screw cap 7; a high-strength bolt 11 is arranged right above the positioning plate 4, the head of the high-strength bolt 11 is positioned at the outer side of the main body structure 1, and a steel backing plate 12 is positioned at the inner side of the main body structure 1 and is fixed through a second nut 13; then, the upper end of the pull rod 2 is connected with the head of the high-strength bolt 11, and the lower end of the pull rod 2 is connected with one end of the cantilever beam 1 far away from the positioning plate 4; and finally, welding a longitudinal steel beam 9 on the top surface of the cantilever beam 1, and erecting a scaffold 8 on the top of the longitudinal steel beam 9.
Claims (9)
1. The pull rod type overhanging scaffold comprises an overhanging beam (1), a pull rod (2), a lower connecting structure and an upper connecting structure, wherein the lower connecting structure is used for fixing one end of the overhanging beam (1) to the outer side of a main structure (3), the upper connecting structure is used for fixing the upper end of the pull rod (2) to the outer side of the main structure (3), and the mounting position of the upper connecting structure is positioned right above the mounting position of the lower connecting structure; the method is characterized in that: the lower connecting structure comprises a positioning plate (4) and a limiting plate (5), one end of the cantilever beam (1) is fixedly connected with the positioning plate (4), at least two positioning holes (41) are formed in the positioning plate (4), a wall penetrating connecting rod (6) is fixedly arranged on one surface of the limiting plate (5), the wall penetrating connecting rods (6) correspond to the positioning holes (41) in the positioning plate (4) one by one and are mutually adaptive, and each wall penetrating connecting rod (6) is provided with an external thread and is provided with at least one first nut (7); a scaffold (8) is erected on the cantilever beam (1), and the other end of the cantilever beam (1) is connected with the lower end of the pull rod (2).
2. The pull rod type overhanging scaffold of claim 1, wherein: the pull rod (2) comprises a first screw rod and a second screw rod, and the first screw rod is connected with the second screw rod through a turn buckle.
3. The tension rod type overhanging scaffold of claim 1, wherein: the top surface of cantilever beam (1) welds vertical girder steel (9), and the central line direction of vertical girder steel (9) is perpendicular with the central line direction of cantilever beam (1), and vertical girder steel (9) are set up in scaffold frame (8).
4. The tension rod type overhanging scaffold of claim 1, wherein: the cantilever beam (1) is made of I-shaped steel, and a web plate of the I-shaped steel is vertically arranged.
5. The tension rod type overhanging scaffold of claim 4, wherein: the positioning plate (4) and the limiting plate (5) are both rectangular steel plates, positioning holes (41) are respectively formed in four corners of the positioning plate (4), and the positioning plate (4) is connected with the cantilever beam (1) in a welding mode; four corners of the limiting plate (5) are respectively welded with one through-wall connecting rod (6), and the four through-wall connecting rods (6) are identical and parallel to each other in central line.
6. The tension rod type overhanging scaffold of claim 5, wherein: each wall-penetrating connecting rod (6) of the limiting plate (5) is provided with two first screw caps (7).
7. The tension rod type overhanging scaffold according to any one of claims 1 to 6, wherein: the top of one end of the cantilever beam (1) far away from the positioning plate (4) is provided with a lifting lug (10) and connected with the lower end of the pull rod (2).
8. The tension rod type overhanging scaffold according to any one of claims 1 to 6, wherein: the upper connecting structure comprises a high-strength bolt (11) and a steel base plate (12), a lifting lug (10) is arranged at the head of the high-strength bolt (11) and is connected with the upper end of the pull rod (2), and a screw rod of the high-strength bolt (11) is a through-wall screw rod and is provided with a base plate and at least one second nut (13).
9. The tension rod type overhanging scaffold of claim 8, wherein: the screw of the high-strength bolt (11) is provided with two second nuts (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222088951.1U CN218091929U (en) | 2022-08-08 | 2022-08-08 | Pull rod type overhanging scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222088951.1U CN218091929U (en) | 2022-08-08 | 2022-08-08 | Pull rod type overhanging scaffold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218091929U true CN218091929U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222088951.1U Active CN218091929U (en) | 2022-08-08 | 2022-08-08 | Pull rod type overhanging scaffold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218091929U (en) |
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2022
- 2022-08-08 CN CN202222088951.1U patent/CN218091929U/en active Active
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