CN110847600A - Reinforced support frame for lower beam template - Google Patents

Abstract

The invention belongs to the technical field of temporary construction, and in particular relates to a formwork reinforced support frame under a beam, comprising a first steel pipe frame and a second steel pipe frame composed of horizontal hollow steel pipes, vertical hollow steel pipes, square steel blocks and short steel columns. Axle, sets of steel ferrules and two anti-skid bases. The invention is easy to install, has variable support angles and heights, is suitable for various working conditions, can be used repeatedly for many times, increases the stability of the support, and at the same time enhances the flexibility and applicability of the formwork support system.

Description

A kind of under-beam formwork reinforced support frame

technical field

The invention belongs to the technical field of temporary construction, and in particular relates to a formwork reinforcing support frame under a beam.

Background technique

At present, the formwork support structure used for concrete cast-in-place construction in buildings is generally made of steel or wooden beams assembled into formwork brackets, and steel or wooden poles are used to build scaffolding to form bracket support, and steel formwork is used for concrete construction. Since the support member is a slender rod structure, it is easy to cause instability, so it is necessary to add a horizontal support to increase its stability, and because the formwork under the beam is heavy, the support under the beam needs to be increased, but it is not enough. Therefore, the possibility of instability is increased, which in turn leads to insufficient bearing capacity of the formwork support system under the beam.

SUMMARY OF THE INVENTION

In order to solve the above-mentioned technical problems, the present invention provides a formwork reinforced support frame under the beam, which is mainly to develop a kind of convenient installation, variable support angle and height, suitable for various working conditions, and can be used repeatedly for many times. The stability of the support also strengthens the flexibility and applicability of the formwork support system, which can effectively solve the problems of insufficient bearing capacity of the formwork support system under the beam and the inability to guarantee the stability of the vertical pole under the beam.

The technical scheme adopted in the present invention is as follows:

A formwork reinforced support frame under the beam, the support frame includes a first steel pipe frame, a second steel pipe frame, a rotating shaft, a steel bar hoop, and a base, and the second steel pipe frame is sleeved inside the first steel pipe frame, and the two are crossed and arranged in a manner. "X" shape, the intersection is movably connected by the rotating shaft, the first steel pipe frame and the second steel pipe frame include horizontal hollow steel pipe, vertical hollow steel pipe, square steel block and short steel column, the first steel pipe frame, the second steel pipe frame The second steel pipe frame is composed of two parallel and equal length vertical hollow steel pipes and two horizontal hollow steel pipes at the top and bottom ends. The distance between the vertical hollow steel pipes of the second steel pipe frame is longer than that of the first steel pipe frame. The distance between the hollow steel pipes is two smaller than the outer diameter of the steel pipes. On the vertical hollow steel pipe, there is a square steel block with a hollow through the cylinder at the same height. The first steel pipe frame and the second steel pipe frame are crossed. Coincidence, the rotating shaft is placed in the cavity and fixed, the bottom of the first steel pipe frame and the second steel pipe frame is provided with a base with a groove, and the groove is matched with the horizontal hollow steel pipe at the bottom of the two, and the first steel pipe frame is A steel tube frame and a lower half of the second steel tube frame are provided with steel hoops, and the first steel tube frame and the second steel tube frame are laterally fixed by steel hoops.

Further, the rotating shaft is composed of a solid steel pipe and two round steel blocks with grooves, the two ends of the solid steel pipe protrude from threaded steel, and the threaded grooves on the round steel blocks are matched with it.

Further, the steel bar hoops are in the shape of bending inwards in the same direction at both ends of the steel bar, and multiple groups of steel bar hoops with different lengths are respectively sleeved on the lower half of the first steel pipe frame and the second steel pipe frame. The rule of arrangement from dense to sparse.

Further, the outer diameter of the two horizontal hollow steel pipes of the first steel pipe frame is 40mm and the length is 300mm, the outer diameter of the two vertical hollow steel pipes is 40mm and the length is 3600mm, and the second steel pipe frame has the same structure as the first steel pipe frame. , but the two vertical hollow steel pipes are each offset by 40mm inward, and the horizontal hollow steel pipes are connected to the vertical hollow steel pipes by welding.

Further, the two lengths of the vertical hollow steel pipe are divided into three positions, from bottom to top, are respectively a short steel column with a diameter of 30mm and a square steel block with a side length of 40mm and a cylindrical cavity of 30mm in the middle; the square steel block It is integrally formed with the vertical hollow steel pipe, and both ends of the short steel column are welded on the vertical hollow steel pipe.

Further, the described rotating shaft is composed of a solid steel pipe with a diameter of 30mm and a length of 300mm and two round steel blocks with an outer diameter of 40mm with grooves; Rebar, round steel block has two hollow threaded grooves correspondingly connected to it.

Further, the steel bar hoop is obtained by deforming a steel bar with a diameter of 8 mm, the two sides of the steel bar are bent into circular arc steel bars with an inner diameter of 40 mm, and a straight steel bar with a length of 30 mm extends from the end of the circular arc.

Further, a semi-cylindrical groove with a diameter of 40 mm and a length of 300 mm is removed from the center of the upper surface of the anti-skid material cuboid with a thickness of 100 mm on the base.

The beneficial effects of the present invention are:

Easy installation, variable support angle and height, suitable for a variety of working conditions, can be reused many times, increase the stability of the support, effectively solve the insufficient bearing capacity of the formwork support system under the beam, and the stability of the vertical rod under the beam. At the same time, it strengthens the flexibility and applicability of the formwork support system.

Description of drawings

Fig. 1 is an overall schematic diagram of a formwork reinforcing support frame under a beam;

Fig. 2 is the schematic diagram of the first steel pipe frame;

Fig. 3 is the schematic diagram of the second steel pipe frame;

Fig. 4 is the exploded schematic diagram of rotating shaft;

Figure 5 is a schematic diagram of a steel bar hoop;

Figure 6 is a schematic diagram of the base.

In the figure, 1 is the first steel pipe frame, 2 is the second steel pipe frame, 3 is the rotating shaft, 4 is the steel hoop, 5 is the base, 6 is the horizontal hollow steel pipe, 7 is the vertical hollow steel pipe, and 8 is the square steel block , 9 is short steel column, 3-1 is solid steel pipe, 3-2 is round steel block, threaded steel 3-3, threaded groove 3-4, arc steel bar 4-1, straight steel bar 4-2, Anti-skid material cuboid 5-1, semi-cylindrical groove 5-2.

Detailed ways

The present invention is described in detail below in conjunction with accompanying drawing and embodiment:

Example

As shown in FIGS. 1 to 3 , an under-beam formwork reinforced support frame of the present invention includes a first steel pipe frame 1 and a The second steel pipe frame 2, the rotating shaft 3, the steel bar hoop 4, and the base 5; The positions of the holes of the block 8 are coincident, and the whole presents an "X" shape; the rotating shaft 3 passes through the overlap of the openings of the first steel pipe frame 1 and the second steel pipe frame 2, and is fixed by two round steel blocks 3-2; The different steel ferrules 4 are respectively sleeved on the lower half of the first steel pipe frame 1 and the second steel pipe frame 2, and are arranged from bottom to top, from dense to sparse; the bottoms of the first steel pipe frame 1 and the second steel pipe frame 2 are arranged. There are two bases 5 with grooves, and the steel pipes at the bottom of the first steel pipe frame 1 and the second steel pipe frame 2 are placed in the grooves; the first steel pipe frame 1 consists of two horizontal hollow pipes with an outer diameter of 40 mm and a length of 300 mm. The steel pipe 6 and two vertical hollow steel pipes 7 with an outer diameter of 40 mm and a length of 3600 mm are welded; two horizontal hollow steel pipes 6 are welded on the outer sides of the two ends of the two vertical hollow steel pipes 7; On the equally divided position, from bottom to top are the short steel column 9 with a diameter of 30mm and a square steel block 8 with a side length of 40mm and a cylindrical cavity of 30mm in the middle; the square steel block 8 and the vertical hollow steel pipe 7 are formed as a whole by the production , both ends of the short steel column 9 are welded on the vertical hollow steel pipe 7 . The structure of the second steel pipe frame 2 is basically the same as that of the first steel pipe frame 1 , the only difference is that when the horizontal hollow steel pipe 6 and the vertical hollow steel pipe 7 are welded, the two vertical hollow steel pipes 7 are each offset inward by 40 mm.

In the specific construction process, the horizontal hollow steel pipe 6 is placed vertically to the length of the beam; the steel hoops 4 are arranged horizontally downward from the square steel block 8 until the steel hoops 4 are completely sheathed on the first steel pipe frame 1 and the second steel pipe frame 2 The effect of changing the support height of the structure is achieved by controlling the angle between the second steel pipe frame 2 and the first steel pipe frame 1; when the angle is changed, the steel bar hoop 4 moves relatively upward or downward.

As shown in Figure 4, the rotating shaft 3 is composed of a solid steel pipe 3-1 with a diameter of 30mm and a length of 300mm and two round steel blocks 3-2 with a groove 3-4 and an outer diameter of 40mm; The two ends of the solid steel pipe 3-1 protrude from the threaded steel 3-3 with a diameter of 10mm and a length of 20mm, and the round steel block 3-2 is connected with two hollow threaded grooves 3-4 correspondingly.

As shown in FIG. 5 , the steel bar hoop 4 is obtained by deforming a steel bar with a diameter of 8 mm. The two sides of the steel bar are bent into a circular arc steel bar 4-1 with an inner diameter of 40 mm, and the end of the circular arc extends with a length of 30 mm. Straight bars 4-2.

As shown in FIG. 6 , a semi-cylindrical groove 5-2 with a diameter of 40 mm and a length of 300 mm is removed from the center of the upper surface of the anti-skid material cuboid 5-1 with a thickness of 100 mm on the base 5 .

The present invention is used in the cast-in-place concrete construction, and supports the beam formwork.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made. It should be regarded as the protection scope of the present invention.

Claims (8)

1. An under-beam formwork reinforced support frame, characterized in that: the support frame comprises a first steel pipe frame (1), a second steel pipe frame (2), a rotating shaft (3), a steel bar hoop (4), a base (5), the second steel pipe frame (2) is sleeved inside the first steel pipe frame (1), the two are crossed in an "X" shape, and the intersection is movably connected by the rotating shaft (3), and the first steel pipe frame ( 1) The second steel pipe frame (2) includes a horizontal hollow steel pipe (6), a vertical hollow steel pipe (7), a square steel block (8) and a short steel column (9). The first steel pipe frame (1), The second steel pipe frame (2) is respectively composed of two parallel and equal length vertical hollow steel pipes (7) and two horizontal hollow steel pipes (6) at the top and bottom ends. The distance between the steel pipes (7) is smaller than the distance between the vertical hollow steel pipes (7) of the first steel pipe frame (1) by two outer diameters of the steel pipes. There is a square steel block (8) penetrating the hollow of the cylinder, the first steel pipe frame (1) and the second steel pipe frame (2) intersect after the square steel block (8) has the same position of the hollow, and the rotating shaft (3) is placed in the hollow and fixed. The bottoms of the first steel pipe frame (1) and the second steel pipe frame (2) are provided with bases (5) with grooves, and the grooves are matched with the bottom horizontal hollow steel pipes (6) of the two, so The lower half of the first steel pipe frame (1) and the second steel pipe frame (2) are provided with steel ferrules (4), and the horizontal distance between the first steel pipe frame (1) and the second steel pipe frame (2) Reinforcement ferrules (4) are fixed. 2. The under-beam formwork reinforced support frame according to claim 1, characterized in that: the rotating shaft (3) is made of a solid steel pipe (3-1) and two grooves (3-4) with grooves (3-4). The round steel block (3-2) consists of the solid steel pipe (3-1) protruding from the threaded steel (3-3) at both ends, and the threaded groove (3-3) on the round steel block (3-2). 4) Match it. 3 . The under-beam formwork reinforced support frame according to claim 1 , wherein the steel bar hoop ( 4 ) is in the shape of bending inwards in the same direction at both ends of the steel bar, and consists of multiple groups of different lengths. 4 . The steel ferrules (4) are respectively sleeved on the lower half of the first steel pipe frame (1) and the second steel pipe frame (2), and are arranged from bottom to top and from dense to sparse. 4. The under-beam formwork reinforced support frame according to claim 1, characterized in that: the outer diameter of the two horizontal hollow steel pipes (6) of the first steel pipe frame (1) is 40mm, the length is 300mm, and the two horizontal hollow steel pipes (6) of the first steel pipe frame (1) A vertical hollow steel pipe (7) has an outer diameter of 40mm and a length of 3600mm. The second steel pipe frame (2) has the same structure as the first steel pipe frame (1), but the two vertical hollow steel pipes (7) are offset inwards. 40mm, the horizontal hollow steel pipe (6) is connected to the vertical hollow steel pipe (7) by welding. 5 . The under-beam formwork reinforced support frame according to claim 4 , wherein the vertical hollow steel pipe ( 7 ) has a diameter of 30mm from bottom to top at two positions of three equal lengths. 6 . A short steel column (9) and a square steel block (8) with a side length of 40 mm and a cylindrical cavity of 30 mm in the middle; the square steel block (8) and the vertical hollow steel pipe (7) are integrally formed, and both ends of the short steel column (9) are integrally formed. Welded on the vertical hollow steel pipe (7). 6. The under-beam formwork reinforced support frame according to claim 2, wherein the rotating shaft (3) is made of a solid steel pipe (3-1) with a diameter of 30mm and a length of 300mm and two belts It is composed of round steel blocks (3-2) with an outer diameter of 40mm and a groove (3-4); the two ends of the solid steel pipe (3-1) protrude from the two ends of the rebar (3-3) with a diameter of 10mm and a length of 20mm. The round steel block (3-2) is connected with two hollow threaded grooves (3-4) correspondingly. 7 . The under-beam formwork reinforced support frame according to claim 3 , wherein the steel bar hoop ( 4 ) is obtained by deforming a steel bar with a diameter of 8 mm, and the two sides of the steel bar are bent to an inner diameter. 8 . It is a 40mm arc bar (4-1), and a 30mm length straight bar (4-2) extends from the end of the arc. 8. The under-beam formwork reinforced support frame according to claim 1, characterized in that: the base (5) is removed from the center position of the upper surface of the anti-skid material cuboid (5-1) with a thickness of 100mm and a diameter of 40mm, 300mm long semi-cylindrical groove (5-2).

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