CN118704730A - Cantilever scaffold and construction method thereof - Google Patents

Abstract

The present application belongs to the technical field of scaffolding, and discloses a cantilever scaffolding and a construction method thereof, wherein the cantilever scaffolding includes a cantilever beam for use with a lower floor slab, a pressure plate is provided on the top of the cantilever beam, a first connecting block is provided on the bottom of the lower floor slab, two rows of threaded columns symmetrically arranged about the cantilever beam that penetrate the lower floor slab are fixed on the top of the first connecting block, the upper ends of the threaded columns penetrate the pressure plate and cooperate with the gap of the pressure plate, and the upper ends of each of the threaded columns are threadedly connected with a lower nut. In the present application, the threaded column passes through the lower floor slab and the pressure plate in sequence and is threadedly connected with the lower nut. After tightening the lower nut, the pressure plate cooperates with the lower floor slab and presses the cantilever beam, thereby improving the stability of the cantilever beam during use, changing the way of fixing the cantilever beam in traditional technology, and reducing the construction difficulty of the cantilever scaffolding.

Description

Cantilever scaffold and construction method thereof

Technical Field

The invention relates to the technical field of scaffolding, and in particular to a cantilever scaffolding and a construction method thereof.

Background Art

In building construction, the construction of frame-shear walls usually requires the use of cantilever scaffolding for support, and then steel plates or wooden boards are built on multiple scaffoldings to form an operating platform, which is convenient for construction workers to stand on the operating platform to perform frame-shear wall construction operations.

The cantilever scaffolding in the existing general technology usually fixes the cantilever beam directly to the building floor with bolts, but the connection between the bolts and the building floor is prone to loosening, which poses certain safety hazards to the normal use of the cantilever beam. Therefore, it is necessary to reinforce the connection method between the cantilever beam and the building floor in the relevant technology.

Summary of the invention

In order to solve the above problems, the present invention provides a cantilever scaffold and a construction method thereof.

The above technical purpose of the present invention is achieved through the following technical solutions: a cantilever scaffolding, including a cantilever beam for use with a lower floor slab, a pressure plate is arranged on the top of the cantilever beam, a first connecting block is arranged on the bottom of the lower floor slab, two rows of threaded columns symmetrically arranged about the cantilever beam and penetrating the lower floor slab are fixed on the top of the first connecting block, the upper ends of the threaded columns penetrate the pressure plate and cooperate with the pressure plate gap, and the upper end of each threaded column is threadedly connected with a lower nut.

By adopting the above technical scheme, the threaded column passes through the lower floor and the pressure plate in sequence and is threadedly connected with the lower nut. After tightening the lower nut, the pressure plate cooperates with the lower floor and presses the cantilever beam, thereby improving the stability of the cantilever beam during use, changing the traditional way of fixing the cantilever beam, and reducing the construction difficulty of the cantilever scaffolding.

Furthermore, a limiting plate is fixed at the bottom of the pressure plate, and a limiting groove which is engaged with the limiting plate is arranged at the top of the cantilever beam. The extension direction of the limiting groove is perpendicular to the length direction of the cantilever beam, and chamfers are arranged at the intersections between the bottom surface of the limiting plate and the side wall of the limiting plate.

By adopting the above technical solution, the limit plate at the bottom of the pressure plate is snap-fitted with the limit groove at the top of the cantilever beam. After the lower nut is tightened, the pressure plate cooperates with the lower floor slab and fully presses the cantilever beam, thereby enhancing the stability of the cantilever beam during use. The chamfer setting reduces the difficulty of snapping between the limit plate and the limit groove.

Furthermore, two rubber rings are sleeved on the threaded column, and the two rubber rings are respectively located between the top of the pressure plate and the bottom of the lower nut, and between the top of the cantilever beam and the bottom of the pressure plate.

By adopting the above technical solution and setting the rubber ring, the wear between the top of the pressing plate and the bottom of the lower nut and between the top of the cantilever beam and the bottom of the pressing plate is reduced, which is beneficial to prolonging the service life of the cantilever scaffolding.

Furthermore, an upper floor is arranged above the lower floor, and a support sleeve is provided on the cantilever beam, which is slidably matched with the cantilever beam. A reinforcement component for reinforcing the cantilever beam is jointly installed on the top of the support sleeve and the upper floor, and the reinforcement component includes a first connecting rod rotatably connected to the side wall of the upper floor, a second connecting rod rotatably connected to the top of the support sleeve at a position away from the side of the pressure plate, and a flower basket. The first connecting rod is threadedly connected between one end away from the upper floor and the flower basket, and between one end of the second connecting rod away from the support sleeve and the flower basket, and the thread on the first connecting rod and the thread on the second connecting rod have equal pitch and opposite rotation direction.

By adopting the above technical solution, the first connecting rod, the second connecting rod, the flower basket and the supporting sleeve cooperate with each other to fully enhance the stability of the cantilever beam during use.

Furthermore, the lower floor slab is provided with through holes for the threaded columns to pass through, and the gap between the through holes and the threaded columns is filled with a reinforcement glue layer.

By adopting the above technical solution, the anchor glue layer is formed after the anchor solidifies, thereby enhancing the stability of the connection between the threaded column and the perforation of the lower floor slab.

Furthermore, a second connecting block is fixed to the bottom surface of the support sleeve, and the cross-sections of the second connecting block and the first connecting block are both right-angled trapezoids. The side walls of the second connecting block and the first connecting block that are close to each other are respectively abutted against the side walls on both sides of the lower floor slab, and the upper surface area of the second connecting block is larger than the bottom area of the second connecting block, and the upper surface area of the first connecting block is larger than the bottom area of the first connecting block.

By adopting the above technical solution, the second connecting block and the first connecting block cooperate with each other to enhance the supporting strength of the lower floor slab and the cantilever beam, thereby improving the stability of the lower floor slab and the cantilever beam during use.

Furthermore, a positioning bolt which cooperates with the support sleeve clearance is provided through the top of the support sleeve, and a positioning hole which plugs and cooperates with the lower end of the positioning bolt is provided on the top of the cantilever beam.

By adopting the above technical solution, the positioning bolt is plugged into the positioning hole at the top of the cantilever beam, thereby enhancing the stability of the connection between the support sleeve and the cantilever beam.

The present application also discloses a construction method of a cantilever scaffold, comprising the following steps:

S1. Assemble the first connecting rod, the second connecting rod and the flower basket, rotatably connect the end of the second connecting rod away from the flower basket to the cantilever beam, and rotatably connect the end of the first connecting rod away from the flower basket to the side wall of the upper floor;

S2. Put the support sleeve on the cantilever beam, adjust the flower basket so that the side wall of the second connection block close to the first connection block abuts against the side wall of the lower floor slab, put a rubber ring on the threaded column, align the threaded column with the through hole, and pass the threaded column through the through hole from bottom to top, so that the side wall of the first connection block close to the second connection block abuts against the side wall of the lower floor slab, and the top of the first connection block abuts against the bottom of the lower floor slab;

S3. Pass the threaded column through the pressure plate so that the limit plate at the bottom of the pressure plate is engaged with the limit groove at the top of the cantilever beam. Then put a rubber ring on the threaded column and tighten all the lower nuts to complete the assembly of the cantilever scaffolding. Then, set up the scaffolding for operation on multiple support sleeves.

In summary, the present invention has the following beneficial effects:

1. The threaded column of the present application passes through the lower floor slab and the pressing plate in sequence and is connected with the lower nut by thread. After tightening the lower nut, the pressing plate cooperates with the lower floor slab and presses the cantilever beam, thereby improving the stability of the cantilever beam during use, changing the traditional way of fixing the cantilever beam, and reducing the construction difficulty of the cantilever scaffolding;

2. In this application, the limit plate at the bottom of the pressure plate is engaged with the limit groove at the top of the cantilever beam. After the lower nut is tightened, the pressure plate cooperates with the lower floor slab and fully compresses the cantilever beam, thereby enhancing the stability of the cantilever beam during use. The chamfer setting reduces the difficulty of engaging the limit plate with the limit groove;

3. In the present application, the first connecting rod, the second connecting rod, the flower basket and the supporting sleeve cooperate to fully enhance the stability of the cantilever beam during use.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG2 is a schematic diagram of a connection structure between a cantilever beam and a lower floor slab according to an embodiment of the present invention;

FIG3 is an enlarged schematic diagram of point A in FIG2 ;

FIG. 4 is a schematic structural diagram of an embodiment of the present invention for highlighting a positioning bolt.

In the figure: 1. cantilever beam; 11. limit groove; 12. positioning hole; 2. pressure plate; 21. limit plate; 211. chamfer; 3. first connecting block; 4. threaded column; 41. lower nut; 42. rubber ring; 5. support sleeve; 6. reinforcement assembly; 61. first connecting rod; 62. second connecting rod; 63. flower basket; 7. lower floor; 71. perforation; 711. rebar glue layer; 8. upper floor; 9. positioning bolt; 10. second connecting block.

DETAILED DESCRIPTION

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application without making creative work are within the scope of protection of the present application.

As shown in Figures 1-4, the embodiment of the present application discloses a cantilever scaffold, including a cantilever beam 1, a pressure plate 2, a first connecting block 3, a threaded column 4, a support sleeve 5 and a reinforcement assembly 6. The cantilever beam 1 is used in conjunction with the lower floor slab 7, the cantilever beam 1 is horizontally arranged, the pressure plate 2 is arranged on the top of the cantilever beam 1, a limiting plate 21 is fixed at the bottom of the pressure plate 2, a limiting groove 11 is arranged on the top of the cantilever beam 1 to be snap-fitted with the limiting plate 21, the extension direction of the limiting groove 11 is perpendicular to the length direction of the cantilever beam 1, and a chamfer 211 is arranged at the intersection between the bottom surface of the limiting plate 21 and the side wall of the limiting plate 21. The threaded column 4 passes through the lower floor slab 7 and the pressure plate 2 in sequence and is threadedly connected with the lower nut 41. After tightening the lower nut 41, the pressure plate 2 cooperates with the lower floor slab 7 and fully presses the cantilever beam 1, thereby enhancing the stability of the cantilever beam 1 during use. The setting of the chamfer 211 reduces the difficulty of the clamping between the limit plate 21 and the limit groove 11.

The first connection block 3 is arranged at the bottom of the lower floor 7. The cross section of the first connection block 3 is a right-angled trapezoid. The side wall of one side of the first connection block 3 abuts against the side wall of one side of the lower floor 7. The upper surface area of the first connection block 3 is larger than the bottom area of the first connection block 3. The threaded columns 4 corresponding to the cantilever beam 1 are arranged in two rows and are symmetrically arranged about the cantilever beam 1. There are multiple threaded columns 4 in each row. The upper end of the threaded column 4 passes through the pressure plate 2 and is loosely matched with the pressure plate 2. The upper end of the threaded column 4 is threadedly connected with a lower nut 41. The lower end of the threaded column 4 is fixed to the top of the first connection block 3. The lower floor 7 is penetrated with a through hole 71 for the threaded column 4 to pass through. The gap between the through hole 71 and the threaded column 4 is filled with a reinforcement glue layer 711.

An upper floor 8 is arranged above the lower floor 7, and a support sleeve 5 is sleeved on the cantilever beam 1 and slidably cooperates with the cantilever beam 1. A reinforcement component 6 is installed on the top of the support sleeve 5 and the upper floor 8 together, and is used to reinforce the cantilever beam 1. The reinforcement component 6 includes a first connecting rod 61 rotatably connected to the side wall of the upper floor 8, a second connecting rod 62 rotatably connected to the top of the support sleeve 5 away from the side of the pressing plate 2, and a flower basket 63. The first connecting rod 61 is threadedly connected between the end away from the upper floor 8 and the flower basket 63, and the second connecting rod 62 is threadedly connected between the end away from the support sleeve 5 and the flower basket 63. The thread on the first connecting rod 61 and the thread on the second connecting rod 62 have equal pitch and opposite rotation direction. The first connecting rod 61, the second connecting rod 62, the flower basket 63 and the support sleeve 5 cooperate to fully enhance the stability of the cantilever beam 1 during use.

In this embodiment, two rubber rings 42 are sleeved on the threaded column 4, and the two rubber rings 42 are respectively located between the top of the pressing plate 2 and the bottom of the lower nut 41, and between the top of the cantilever beam 1 and the bottom of the pressing plate 2. A second connecting block 10 is fixed to the bottom surface of the support sleeve 5, and the cross section of the second connecting block 10 is a right-angled trapezoid. The side wall of the second connecting block 10 close to the first connecting block 3 abuts against the side wall of the lower floor 7 away from the first connecting block 3, and the upper surface area of the second connecting block 10 is larger than the bottom area of the second connecting block 10. The second connecting block 10 cooperates with the first connecting block 3 to enhance the supporting strength of the lower floor 7 and the cantilever beam 1, thereby improving the stability of the lower floor 7 and the cantilever beam 1 during use.

In order to further enhance the stability of the support sleeve 5 during use, a positioning bolt 9 is provided through the top of the support sleeve 5 to match the clearance of the support sleeve 5 , and a positioning hole 12 is provided on the top of the cantilever beam 1 to be plugged into the lower end of the positioning bolt 9 .

The embodiment of the present application also discloses a construction method of a cantilever scaffold, comprising the following steps:

S1. Assemble the first connecting rod 61, the second connecting rod 62 and the flower basket 63, rotatably connect the end of the second connecting rod 62 away from the flower basket 63 to the cantilever beam 1, and rotatably connect the end of the first connecting rod 61 away from the flower basket 63 to the side wall of the upper floor 8;

S2. Sleeve the support sleeve 5 on the cantilever beam 1, adjust the basket 63 so that the side wall of the second connection block 10 close to the first connection block 3 abuts against the side wall of the lower floor slab 7, put a rubber ring 42 on the threaded column 4, align the threaded column 4 with the through hole 71, and pass the threaded column 4 through the through hole 71 from bottom to top, so that the side wall of the first connection block 3 close to the second connection block 10 abuts against the side wall of the lower floor slab 7, and the top of the first connection block 3 abuts against the bottom of the lower floor slab 7;

S3. Pass the threaded column 4 through the pressing plate 2 so that the limiting plate 21 at the bottom of the pressing plate 2 is engaged with the limiting groove 11 at the top of the cantilever beam 1. Then put a rubber ring 42 on the threaded column 4 and tighten all the lower nuts 41 to complete the assembly of the cantilever scaffolding. Then, set up the scaffolding for operation on multiple support sleeves 5.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a scaffold frame encorbelments, includes cantilever beam (1) that is used for cooperating with lower floor's floor (7), characterized by: the cantilever beam (1) top is provided with clamp plate (2), lower floor slab (7) bottom is provided with first connecting block (3), first connecting block (3) top is fixed with two rows of screw thread post (4) that run through lower floor slab (7) and set up about cantilever beam (1) symmetry, screw thread post (4) upper end run through clamp plate (2) and with clamp plate (2) clearance fit, every screw thread post (4) upper end equal threaded connection has lower nut (41).

2. The overhanging scaffold of claim 1, characterized in that: the utility model discloses a cantilever beam, including clamp plate (2) and limiting plate (21), clamp plate (2) bottom is fixed with limiting plate (21), cantilever beam (1) top be provided with limiting plate (21) joint complex spacing groove (11), the extending direction of spacing groove (11) is perpendicular with the length direction of cantilever beam (1), crossing department between limiting plate (21) bottom surface and limiting plate (21) lateral wall all is provided with chamfer (211).

3. The overhanging scaffold according to claim 2, characterized in that: two rubber rings (42) are sleeved on the threaded column (4), and the two rubber rings (42) are respectively positioned between the top of the pressing plate (2) and the bottom of the lower nut (41) and between the top of the cantilever beam (1) and the bottom of the pressing plate (2).

4. A cantilever scaffold according to claim 3, characterized in that: the utility model discloses a building board, including upper floor's building board (7), roof beam (1) are encorbelmented to cover is equipped with and encorbelments roof beam (1) sliding fit's supporting sleeve (5), install on supporting sleeve (5) top and upper floor's building board (8) jointly and be used for strengthening reinforcement subassembly (6) of encorbelmenting roof beam (1), reinforcement subassembly (6) include first connecting rod (61) that are connected with upper floor's building board (8) lateral wall rotation, second connecting rod (62) and basket of flowers (63) that are connected with the position rotation that clamp plate (2) one side are kept away from at supporting sleeve (5) top, between one end and basket of flowers (63) of upper floor's building board (8) are kept away from to first connecting rod (61) and between one end and basket of flowers (63) of supporting sleeve (5) are kept away from to second connecting rod (62), just screw thread on first connecting rod (61) and screw pitch on second connecting rod (62) equals, the opposite to the screw thread.

5. The overhanging scaffold of claim 4, characterized in that: the lower floor plate (7) is provided with a through hole (71) for the threaded column (4) to pass through, and a gap between the through hole (71) and the threaded column (4) is filled with a reinforcement adhesive layer (711).

6. The overhanging scaffold of claim 5, characterized in that: the support sleeve (5) bottom surface is fixed with second connecting block (10), the cross section of second connecting block (10) and first connecting block (3) all is right trapezoid, the lateral wall that second connecting block (10) and first connecting block (3) are close to each other respectively with the lateral wall butt of lower floor's slab (7) both sides, the upper surface area of second connecting block (10) is greater than the bottom area of second connecting block (10), the upper surface area of first connecting block (3) is greater than the bottom area of first connecting block (3).

7. The overhanging scaffold of claim 6, characterized in that: the top of the supporting sleeve (5) is provided with a positioning bolt (9) in clearance fit with the supporting sleeve (5) in a penetrating mode, and the top of the cantilever beam (1) is provided with a positioning hole (12) in plug fit with the lower end of the positioning bolt (9).

8. A construction method of an overhanging scaffold according to claim 7, characterized by comprising the steps of:

S1, assembling a first connecting rod (61), a second connecting rod (62) and a flower basket (63), rotatably connecting one end of the second connecting rod (62) far away from the flower basket (63) with an overhanging beam (1), and rotatably connecting one end of the first connecting rod (61) far away from the flower basket (63) with the side wall of an upper floor (8);

S2, sleeving a support sleeve (5) on the cantilever beam (1), enabling the side wall of the second connecting block (10) close to the first connecting block (3) to be in butt joint with the side wall of the lower floor (7) through adjusting the flower basket (63), sleeving a rubber ring (42) on the threaded column (4), aligning the threaded column (4) with the through hole (71), enabling the threaded column (4) to penetrate through the through hole (71) from bottom to top, enabling the side wall of the first connecting block (3) close to the second connecting block (10) to be in butt joint with the side wall of the lower floor (7), and enabling the top of the first connecting block (3) to be in butt joint with the bottom of the lower floor (7);

S3, penetrating the threaded column (4) through the pressing plate (2), enabling a limiting plate (21) at the bottom of the pressing plate (2) to be clamped with a limiting groove (11) at the top of the cantilever beam (1), sleeving a rubber ring (42) on the threaded column (4), screwing up all lower nuts (41), completing the assembly work of the cantilever scaffold, and erecting the scaffold for operation on the plurality of supporting sleeves (5).