Steel reinforcement framework forming tool and construction method thereof

Abstract

The invention relates to the technical field of steel bar installation, in particular to a steel bar framework forming and construction method. The tool comprises a plurality of main reinforcement fixing frames which are arranged on the ground at intervals and used for fixing main reinforcements, and the height and the size of the main reinforcement fixing frames can be adjusted; the stirrup positioning mechanisms are arranged between every two adjacent main reinforcement fixing frames, the stirrup positioning mechanisms are arranged at intervals, and the heights of the stirrup positioning mechanisms are adjustable; the second connecting rods are arranged between every two adjacent main reinforcement fixing frames, the two ends of each second connecting rod are fixedly connected with the corresponding main reinforcement fixing frames respectively, and hoisting holes are formed in the second connecting rods. The hoisting device has the beneficial effects that main reinforcements and stirrups are assembled on the ground by arranging the main reinforcement fixing frame, the second connecting rods and the stirrup positioning mechanisms, and the main reinforcements, the stirrups, the second connecting rods and the main reinforcement fixing frame are hoisted to the construction position through the hoisting ropes, so that the problems that the safety of workers on a working face is difficult to guarantee, the construction quality is poor and the construction efficiency is high are avoided; and the problem of deformation of the column steel bars during hoisting is also avoided.

Description

Technical Field

[0001] The invention relates to the technical field of steel bar installation, in particular to a steel bar skeleton forming and a construction method thereof. Background Art

[0002] At present, the installation of column reinforcement in housing construction projects is done by workers going to the work surface to tie it, which leads to problems such as secondary handling of reinforcement, erection of scaffolding, and cross-operation. The workers have a small operating space, and as the height increases, the safety risk increases, and the quality of reinforcement installation is difficult to effectively guarantee. If the frame is hoisted by conventional hoisting methods, the deformation of the components is large, which increases the difficulty of installation, especially when working at high altitudes, which greatly increases the difficulty of construction and safety hazards.

[0003] Therefore, the present invention provides a steel bar skeleton forming tool and a construction method thereof. Summary of the invention

[0004] The purpose of the present invention is to overcome the defects of the prior art and provide a steel frame forming tool and a construction method thereof, so as to solve the problems that during the existing column steel bar installation, workers directly tie the steel bars on the work surface, which is difficult to operate, has a high safety risk, and is difficult to ensure the quality of the steel bar installation.

[0005] The technical solution to achieve the above purpose is:

[0006] The present invention provides a steel bar skeleton forming tool for pre-assembling column steel bars, the tool comprising: a plurality of main bar fixing frames arranged at intervals on the ground for fixing the main bars, the height and size of the main bar fixing frames being adjustable; a plurality of stirrup positioning mechanisms arranged between two adjacent main bar fixing frames for positioning the stirrups, the stirrup positioning mechanisms being arranged at intervals and having adjustable heights; a plurality of second connecting rods arranged between two adjacent main bar fixing frames, the two ends of the second connecting rods being respectively fixedly connected to the corresponding main bar fixing frames, and the second connecting rods being provided with lifting holes.

[0007] Furthermore, each of the main reinforcement fixing frames includes: eight limit rods, and the limit rods are grouped in pairs, the ends of each group are adjustably connected and form a rectangle, and the two limit rods in each group have adjustable spacing; a plurality of second limit plates are slidably provided on the side where the two limit rods in each group are close to each other, and the surface of the second limit plates is arc-shaped, and the main reinforcement is clamped between the arc-shaped surfaces of the corresponding two second limit plates.

[0008] Furthermore, it also includes a plurality of second support rods supported under the corresponding main reinforcement fixing frames, the height of the second support rods can be adjusted, a U-shaped plate is fixed to the upper end of the second support rod, the limit rod is arranged in the U-shaped plate, and a first connecting rod is arranged between two adjacent main reinforcement fixing frames, the first connecting rod is arranged parallel to the second connecting rod, and the two ends of the first connecting rod are respectively fixedly connected to the corresponding U-shaped plates.

[0009] Furthermore, the stirrup positioning mechanism includes: two third support rods arranged on the ground at intervals on the left and right, and the height of the third support rods is adjustable; a cross bar arranged at the upper ends of the two third support rods; two stirrup hangers arranged between two adjacent cross bars, the stirrup hangers and the cross bars are perpendicular to each other, and the stirrup hangers are slidably connected to the cross bars; a plurality of first limiting plates arranged on the upper side of the stirrup hangers at intervals, the spacing between two adjacent first limiting plates is adjustable, and the upper surface of the first limiting plates is arc-shaped and cooperates with the stirrups.

[0010] Furthermore, it also includes a plurality of first support rods with adjustable heights arranged on the ground, wherein the first support rods are grouped in pairs, and the two first support rods in each group are arranged at intervals on the left and right; the first support rods are provided with a plurality of supporting rods that can be adjusted up and down, and the upper surface of the supporting rods is arc-shaped, and the main reinforcements on the left and right sides cooperate with the upper surfaces of the corresponding supporting rods.

[0011] The present invention also provides a construction method for a steel bar skeleton forming tooling, comprising the following steps: arranging the main bar fixing frames at intervals on the ground, and adjusting the size and height of the main bar fixing frames according to the size of the column steel bars to be constructed; assembling the stirrup positioning mechanism and arranging it at intervals between two adjacent main bar fixing frames; fixing the two ends of the second connecting rod to the corresponding main bar fixing frames respectively; inserting the main bars into the main bar fixing frames, and adjusting the spacing between two adjacent main bars; placing the stirrups on the stirrup positioning mechanism, and adjusting the spacing between two adjacent stirrups, and then fixing the stirrups to the main bars; after the main bars and stirrups are fixed, providing lifting equipment, connecting the second connecting rod to the lifting equipment, and lifting the assembled main bars and stirrups to the position to be constructed.

[0012] Furthermore, the specific construction steps of the main reinforcement fixing frame are as follows: provide multiple limit rods and multiple second limit plates to assemble the main reinforcement fixing frame; before the main reinforcement fixing frame is laid out, provide multiple second support rods and multiple first connecting rods, lay the second support rods on the ground, fix the two ends of the first connecting rods to the corresponding second support rods, and then install the main reinforcement fixing frame on the second support rods, adjust the height of the main reinforcement fixing frame by adjusting the height of the second support rods, and then adjust the size of the main reinforcement fixing frame by adjusting the connection points of each group of the limit rods; when laying out the main reinforcement, clamp the main reinforcement between the corresponding two second limit plates on each group of the limit rods, and then adjust the spacing between each group of the limit rods so that the corresponding two second limit plates clamp the main reinforcement.

[0013] Furthermore, the specific construction steps of the stirrup positioning mechanism are as follows: before the main reinforcement is laid, a plurality of third support rods are provided, and the third support rods are laid between two adjacent main reinforcement fixing frames; a cross bar is provided, and the cross bar is fixed to the upper ends of the corresponding two third support rods, and the height of the third support rod is adjusted so that the height of the cross bar is consistent with the design height of the stirrups; two stirrup hangers are provided, and the two stirrup hangers are respectively installed at the two ends of the cross bar, and the connection position of the stirrup hanger and the cross bar is adjusted according to the size of the stirrup, so as to adjust the distance between the two stirrup hangers; after the main reinforcement is laid, the stirrups are laid on the first limit plate on the upper side of the stirrup hanger.

[0014] Furthermore, before the main reinforcement is laid out, a plurality of first support rods are provided and arranged at intervals on the left and right between two adjacent main reinforcement fixing frames; the height of the first support rods is adjusted to be consistent with the height of the main reinforcement fixing frame; when the main reinforcement is laid out, the plurality of supporting rods on the first support rods are adjusted so that the supporting rods support the lower side surfaces of the main reinforcement on the left and right sides.

[0015] Furthermore, before the second connecting rod is installed, lifting holes are respectively opened at both ends thereof; after the main reinforcement and stirrups are installed, a lifting rope is provided, the lifting rope is passed through the lifting hole, the stirrup positioning mechanism, the first support rod, the first connecting rod and the second support rod are removed, and then the main reinforcement, the stirrups, the main reinforcement fixing frame and the second connecting rod are lifted together to the construction position through the lifting equipment.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] By setting up the main reinforcement fixing frame, the second connecting rod and the stirrup positioning mechanism, the main reinforcement and stirrups are assembled on the ground, and the main reinforcement, stirrups, the second connecting rod and the main reinforcement fixing frame are hoisted to the construction site by the lifting rope, which not only avoids the difficulty in ensuring the safety of workers on the working surface and the poor construction quality, but also avoids the problem of deformation of the column reinforcement during hoisting. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the steel bar skeleton forming tooling of the present invention.

[0019] Figure 2 The steel frame forming tool of the present invention Figure 1 Enlarged view of part A in the middle.

[0020] Figure 3 It is a schematic diagram of the stirrup positioning mechanism of the steel bar skeleton forming tooling of the present invention.

[0021] Figure 4 The steel frame forming tool of the present invention Figure 3 Enlarged view of part B in the middle.

[0022] Figure 5 It is a schematic diagram of the main reinforcement fixing frame of the reinforcement skeleton forming tooling of the present invention.

[0023] Figure 6 It is a schematic diagram of the limit rod of the steel frame forming tooling of the present invention.

[0024] Figure 7 It is a schematic diagram of the second support rod of the steel frame forming tooling of the present invention.

[0025] Figure 8 It is a schematic diagram of the second limiting piece of the steel frame forming tooling of the present invention.

[0026] Fig. 9 It is a schematic diagram of the first support rod of the steel frame forming tooling of the present invention.

[0027] Fig.10 It is a schematic diagram of the first connecting rod of the steel bar skeleton forming tooling of the present invention.

[0028] Legend: 1. Main reinforcement fixing frame; 2. Cross bar; 3. Stirrup hanger rod; 4. First support rod; 5. First connecting rod; 6. Second connecting rod; 7. Second support rod; 8. Third support rod; 9. Support rod; 10. First limit plate; 11. Second limit plate; 12. Limit rod. DETAILED DESCRIPTION

[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0030] See also Figure 1The present invention provides a steel bar skeleton forming tool and a construction method thereof, which solves the problems that workers directly tie the steel bars on the working surface during the existing column steel bar installation, which is difficult to operate, has a high safety risk, and is difficult to ensure the quality of steel bar installation. By setting a main bar fixing frame, a second connecting rod, and a stirrup positioning mechanism, the main bars and stirrups are assembled on the ground, and the main bars, stirrups, the second connecting rod, and the main bar fixing frame are hoisted to the construction position by a hoisting rope, which not only avoids the difficulty of ensuring the safety of workers on the working surface and the poor construction quality, but also avoids the problem of deformation of the column steel bars during hoisting.

[0031] A steel bar skeleton forming tool and a construction method thereof of the present invention are described below in conjunction with the accompanying drawings.

[0032] See also Figure 1 , showing the overall structural diagram of the steel frame forming tooling of the present invention. Figure 2 , showing the steel frame forming tooling of the present invention Figure 1 The enlarged view of the middle A part. Figure 1 and Figure 2 , a steel bar skeleton forming tool and a construction method thereof are described in the present invention.

[0033] like Figure 1 and Figure 2 As shown, a steel bar skeleton forming tool of the present invention is used for pre-assembling column steel bars, and the tool comprises: a plurality of main bar fixing frames 1 arranged at intervals on the ground for fixing the main bars, and the height and size of the main bar fixing frames 1 can be adjusted; a plurality of stirrup positioning mechanisms arranged between two adjacent main bar fixing frames 1 for positioning the stirrups, and the stirrup positioning mechanisms are arranged at intervals and have adjustable heights; a plurality of second connecting rods 6 arranged between two adjacent main bar fixing frames 1, and the two ends of the second connecting rods 6 are respectively fixedly connected to the corresponding main bar fixing frames 1, and the second connecting rods 6 are provided with lifting holes.

[0034] like Figure 5 As shown, in a specific embodiment, each of the main reinforcement fixing frames 1 includes: eight limit rods 12, and the limit rods 12 are grouped in pairs, the ends of each group are adjustably connected and enclosed into a rectangle, and the two limit rods 12 in each group can be adjusted in spacing; a plurality of second limit plates 11 are slidably provided on the side where the two limit rods 12 of each group are close to each other, and the surface of the second limit plate 11 is arc-shaped, and the main reinforcement is clamped between the arc-shaped surfaces of the corresponding two second limit plates 11.

[0035] like Figure 6As shown, in a specific embodiment, the cross-section of the limit rod 12 is U-shaped, and first elongated holes are opened on three surfaces; a bolt is provided at the connection between the two corresponding limit rods 12, and the bolt passes through the first elongated holes of the two limit rods 12 to fix the two limit rods 12; a first slider is provided on the back side of the second limit plate 11, and the first slider can be slidably disposed in the corresponding first elongated hole.

[0036] like Figure 7 and Fig.10 As shown, in a specific embodiment, it also includes a plurality of second support rods 7 supported under the corresponding main rib fixing frame 1, the height of the second support rods 7 can be adjusted, a U-shaped plate is fixed on the upper end of the second support rod 7, and the limit rod 12 is arranged in the U-shaped plate, and

[0037] The first connecting rod 5 is arranged between two adjacent main rib fixing frames 1 , the first connecting rod 5 is arranged in parallel with the second connecting rod 6 , and both ends of the first connecting rod 5 are respectively fixedly connected to the corresponding U-shaped plates.

[0038] In a specific embodiment, fixing holes are opened on the left and right plates of the U-shaped plate. When the limiting rod 12 is installed in the U-shaped plate, the fixing hole corresponds to the first long hole, and the end of the first connecting rod 5 passes through the fixing hole and the first long hole, and the end of the first connecting rod 5 is fixed to the U-shaped plate with a bolt.

[0039] like Figure 3 and Figure 4 As shown, in a specific embodiment, the stirrup positioning mechanism includes: two third support rods 8 arranged on the ground at intervals on the left and right, and the height of the third support rods 8 is adjustable; a cross bar 2 is arranged at the upper ends of the two third support rods 8; two stirrup hangers 3 are arranged between two adjacent cross bars 2, the stirrup hangers 3 are perpendicular to the cross bars 2, and the stirrup hangers 3 are slidably connected to the cross bars 2; a plurality of first limiting plates 10 are arranged on the upper side of the stirrup hangers 3 at intervals, the spacing between two adjacent first limiting plates 10 is adjustable, and the upper surface of the first limiting plate 10 is arc-shaped and cooperates with the stirrups.

[0040] In a specific embodiment, a second long hole is opened on the cross bar 2, and vertical rods perpendicular to the cross bar 2 are fixed at both ends of the stirrup hanger rod 3, and bolts are arranged on the vertical rods, and the bolts are inserted into the long hole;

[0041] The stirrup hanger rod 3 is provided with a third long hole, and a second slider is fixedly provided at the lower end of the first limiting piece 10, and the second slider is slidably arranged in the third long hole. By providing the second slider and the third long hole, the first limiting piece 10 can adjust its position, thereby changing the spacing between two adjacent stirrups.

[0042] In a specific implementation, the distance between two adjacent first limiting pieces 10 is 5 cm.

[0043] like Fig. 9 As shown, in a specific embodiment, it also includes a plurality of first support rods 4 with adjustable heights arranged on the ground, the first support rods 4 are grouped in pairs, and the two first support rods 4 in each group are arranged at intervals on the left and right; the first support rods 4 are provided with a plurality of supporting rods 9 that can be adjusted up and down, the upper surface of the supporting rods 9 is arc-shaped, and the main ribs on the left and right sides are matched with the upper surfaces of the corresponding supporting rods 9. By providing the first support rods 4 and the supporting rods 9, the middle part of the main ribs on the left and right sides is supported, thereby preventing the main ribs from falling due to gravity and affecting the installation effect.

[0044] In a specific embodiment, it further comprises a plurality of supports with threads on the upper ends, the lower ends of the first support rod 4, the second support rod 7 and the third support rod 8 are all provided with threaded holes, and the upper ends of the supports are meshed with the threaded holes. By rotating the supports, the height of the supports is adjusted, and then the height of the corresponding first support rod 4, the second support rod 7 and the third support rod 8 is adjusted.

[0045] The present invention also provides a construction method of a steel bar skeleton forming tooling, which specifically includes the following steps: arranging the main bar fixing frames 1 on the ground at intervals, and adjusting the size and height of the main bar fixing frames 1 according to the size of the column steel bars to be constructed; assembling the stirrup positioning mechanism and arranging it between two adjacent main bar fixing frames 1 at intervals; fixing the two ends of the second connecting rod 6 to the corresponding main bar fixing frames 1 respectively; inserting the main bars into the main bar positioning frame 1, and adjusting the spacing between the two adjacent main bars; placing the stirrups on the stirrup positioning mechanism, and adjusting the spacing between the two adjacent stirrups, and then fixing the stirrups to the main bars; after the main bars and the stirrups are fixed, providing lifting equipment, connecting the second connecting rod 6 to the lifting equipment, and lifting the assembled main bars and stirrups to the position to be constructed.

[0046] In a specific embodiment, the specific construction steps of the main reinforcement fixing frame 1 are as follows: provide a plurality of limit rods 12 and a plurality of second limit plates 11 to assemble the main reinforcement fixing frame 1; before the main reinforcement fixing frame 1 is laid out, provide a plurality of second support rods 7 and a plurality of first connecting rods 5, lay the second support rods 7 on the ground, fix the two ends of the first connecting rods 5 to the corresponding second support rods 7, and then install the main reinforcement fixing frame 1 on the second support rods 7, adjust the height of the main reinforcement fixing frame 1 by adjusting the height of the second support rods 7, and then adjust the size of the main reinforcement fixing frame 1 by adjusting the connection points of each group of the limit rods 12; when laying out the main reinforcement, clamp the main reinforcement between the corresponding two second limit plates 11 on each group of the limit rods 12, and then adjust the spacing between each group of the limit rods 12 so that the corresponding two second limit plates 11 clamp the main reinforcement.

[0047] In a specific embodiment, the specific construction steps of the stirrup positioning mechanism are as follows: before the main reinforcement is laid, a plurality of third support rods 8 are provided, and the third support rods 8 are laid between two adjacent main reinforcement fixing frames 1; a cross bar 2 is provided, and the cross bar 2 is fixed to the upper ends of the corresponding two third support rods 8, and the height of the third support rod 8 is adjusted so that the height of the cross bar 2 is consistent with the design height of the stirrups; two stirrup hangers 3 are provided, and the two stirrup hangers 3 are respectively installed at the two ends of the cross bar 2, and the connection position of the stirrup hanger 3 and the cross bar 2 is adjusted according to the size of the stirrup, so as to adjust the distance between the two stirrup hangers 3; after the main reinforcement is laid, the stirrup is laid on the first limiting plate 10 on the upper side of the stirrup hanger 3, and the distance between the two adjacent stirrups is adjusted by moving the first limiting plate 10.

[0048] In a specific embodiment, before the main reinforcement is laid out, a plurality of first support rods 4 are provided and arranged at intervals on the left and right between two adjacent main reinforcement fixing frames 1; the height of the first support rods 4 is adjusted to be consistent with the height of the main reinforcement fixing frame 1; when the main reinforcement is laid out, the plurality of supporting rods 9 on the first support rods 4 are adjusted so that the supporting rods 9 support the lower side surfaces of the main reinforcement on the left and right sides.

[0049] In a specific embodiment, before the second connecting rod 6 is installed, lifting holes are respectively opened at both ends thereof; after the main reinforcement and stirrups are installed, a lifting rope is provided, the lifting rope is passed through the lifting hole, the stirrup positioning mechanism, the first support rod 4, the first connecting rod 5 and the second support rod 7 are removed, and then the main reinforcement, the stirrups, the main reinforcement fixing frame 1 and the second connecting rod 6 are lifted together to the construction position through the lifting equipment.

[0050] The construction process of a steel bar skeleton forming tool of the present invention is described in detail below.

[0051] A plurality of second support rods 7 are arranged on the ground in groups of two, with each group arranged at intervals, and U-shaped plates are installed on the second support rods 7 .

[0052] The second limiting piece 11 and the limiting rod 12 are assembled to form a main reinforcement fixing frame 1. After assembling multiple main reinforcement fixing frames 1, multiple main reinforcement fixing frames 1 are installed on the U-shaped plate, and the height of the second support rod 7 is adjusted to adjust the size of the main reinforcement positioning frame 1.

[0053] The third support rod 8 and the cross bar 2 are assembled and installed between two adjacent main reinforcement fixing frames 1 at intervals, and then the stirrup hanger 3 is installed between two adjacent cross bars 2, and the stirrup hanger 3 and the cross bar 2 are made perpendicular to each other.

[0054] The first support rod 4 is laid out on the ground, and then the main reinforcement is laid out.

[0055] The main reinforcement is arranged between the two corresponding second limiting pieces 11, and then the main reinforcement is clamped by adjusting the spacing of the limiting rods 12, and then the position of the second limiting pieces 11 is adjusted to make the spacing between the two adjacent main reinforcements consistent. When arranging the main reinforcement, the main reinforcements on the left and right sides are placed on the supporting plate 9 on the first support rod 4 to prevent the main reinforcement from falling.

[0056] Then stirrups are arranged at intervals on the stirrup hanger 3 so that the stirrups are clamped on the first limiting piece 10 and the stirrups are fixed to the main reinforcement.

[0057] Then install the hoisting rope in the hoisting hole of the second connecting rod 6, remove the redundant parts, and hoist the main reinforcement, stirrups, the second connecting rod 6 and the main reinforcement fixing frame 1 to the construction position.

[0058] The present invention is described in detail above in conjunction with the embodiments of the accompanying drawings. A person skilled in the art can make various variations of the present invention according to the above description. Therefore, certain details in the embodiments should not constitute a limitation of the present invention, and the scope of protection of the present invention shall be defined by the scope of the attached claims.

Claims

1. A steel bar skeleton forming tool, used for pre-assembling column steel bars, characterized by: The tooling includes: A plurality of main reinforcement fixing frames (1) arranged at intervals on the ground for fixing the main reinforcement, wherein the height and size of the main reinforcement fixing frames (1) are adjustable; A plurality of stirrup positioning mechanisms for positioning stirrups and arranged between two adjacent main reinforcement fixing frames (1), wherein the stirrup positioning mechanisms are arranged at intervals and are height-adjustable; A plurality of second connecting rods (6) are arranged between two adjacent main reinforcement fixing frames (1), the two ends of the second connecting rods (6) are respectively fixedly connected to the corresponding main reinforcement fixing frames (1), and the second connecting rods (6) are provided with lifting holes.

2. A steel bar skeleton forming tool according to claim 1, characterized in that: Each of the main reinforcement fixing frames (1) comprises: Eight limiting rods (12), wherein the limiting rods (12) are grouped in pairs, the ends of each group are adjustably connected to form a rectangle, and the spacing between the two limiting rods (12) in each group is adjustable; A plurality of second limiting plates (11) are slidably provided on the side where the two limiting rods (12) of each group are close to each other, the surface of the second limiting plates (11) is arc-shaped, and the main ribs are clamped between the arc-shaped surfaces of the two corresponding second limiting plates (11).

3. A steel frame forming tool according to claim 2, characterized in that: It also comprises a plurality of second support rods (7) supported below the corresponding main rib fixing frame (1), the height of the second support rods (7) being adjustable, a U-shaped plate being fixedly arranged at the upper end of the second support rod (7), the limiting rod (12) being arranged inside the U-shaped plate, and A first connecting rod (5) is arranged between two adjacent main rib fixing frames (1), wherein the first connecting rod (5) and the second connecting rod (6) are arranged in parallel, and both ends of the first connecting rod (5) are respectively fixedly connected to the corresponding U-shaped plates.

4. A steel frame forming tool according to claim 1, characterized in that: The stirrup positioning mechanism comprises: Two third support rods (8) arranged on the ground at intervals on the left and right, and the height of the third support rods (8) is adjustable; A cross bar (2) provided at the upper ends of the two third support bars (8); Two stirrup hangers (3) are arranged between two adjacent cross bars (2), the stirrup hangers (3) and the cross bars (2) are perpendicular to each other, and the stirrup hangers (3) and the cross bars (2) are slidably connected; A plurality of first limiting plates (10) are arranged at intervals on the upper side of the stirrup hanger rod (3), the spacing between two adjacent first limiting plates (10) is adjustable, and the upper surface of the first limiting plates (10) is arc-shaped and matched with the stirrup.

5. The steel bar skeleton forming tool according to claim 1, characterized in that: It also comprises a plurality of first support rods (4) arranged on the ground and having adjustable heights, wherein the first support rods (4) are grouped in pairs, and the two first support rods (4) in each group are arranged at intervals on the left and right; The first support rod (4) is provided with a plurality of support rods (9) which can be adjusted up and down, the upper surface of the support rod (9) is arc-shaped, and the main ribs on the left and right sides cooperate with the upper surfaces of the corresponding support rods (9).

6. A construction method of the steel frame forming tool according to claim 1, characterized in that: The specific steps include: The main reinforcement fixing frames (1) are arranged on the ground at intervals, and the size and height of the main reinforcement fixing frames (1) are adjusted according to the size of the column reinforcement to be constructed; The stirrup positioning mechanisms are assembled and arranged at intervals between two adjacent main reinforcement fixing frames (1); The two ends of the second connecting rod (6) are respectively fixedly connected to the corresponding main reinforcement fixing frame (1); Inserting the main reinforcement into the main reinforcement fixing frame (1), and adjusting the distance between two adjacent main reinforcements; Placing the stirrups on the stirrup positioning mechanism, adjusting the distance between two adjacent stirrups, and then fixing the stirrups to the main reinforcement; After the main reinforcement and stirrups are fixed, a hoisting device is provided, the second connecting rod (6) is connected to the hoisting device, and the assembled main reinforcement and stirrups are hoisted to the location to be constructed.

7. The construction method of the steel frame forming tooling according to claim 6, characterized in that: The specific construction steps of the main reinforcement fixing frame (1) are as follows: Providing a plurality of limiting rods (12) and a plurality of second limiting plates (11) to assemble the main reinforcement fixing frame (1); Before the main reinforcement fixing frame (1) is arranged, a plurality of second support rods (7) and a plurality of first connecting rods (5) are provided, the second support rods (7) are arranged on the ground, the two ends of the first connecting rods (5) are fixedly connected to the corresponding second support rods (7), and then the main reinforcement fixing frame (1) is installed on the second support rods (7). The height of the main rib fixing frame (1) is adjusted by adjusting the height of the second support rod (7), and then the size of the main rib fixing frame (1) is adjusted by adjusting the connection points of each group of the limiting rods (12); When laying out the main reinforcement, the main reinforcement is clamped between the two corresponding second limiting pieces (11) on each group of limiting rods (12), and then the spacing between each group of limiting rods (12) is adjusted so that the corresponding two second limiting pieces (11) clamp the main reinforcement.

8. The construction method of the steel frame forming tooling according to claim 6, characterized in that: The specific construction steps of the stirrup positioning mechanism are as follows: Before the main reinforcement is laid out, a plurality of third support rods (8) are provided, and the third support rods (8) are laid out between two adjacent main reinforcement fixing frames (1); Providing a cross bar (2), fixing the cross bar (2) on the upper ends of the two corresponding third support bars (8), and adjusting the height of the third support bars (8) so that the height of the cross bar (2) is consistent with the designed height of the stirrups; Providing two stirrup hangers (3), installing the two stirrup hangers (3) at the two ends of the cross bar (2) respectively, and adjusting the connection position of the stirrup hanger (3) and the cross bar (2) according to the size of the stirrup, thereby adjusting the distance between the two stirrup hangers (3); After the main reinforcement is laid, the stirrups are laid on the first limiting piece (10) on the upper side of the stirrup hanger (3), and the distance between two adjacent stirrups is adjusted by moving the first limiting piece (10).

9. The construction method of the steel frame forming tooling according to claim 7 is characterized in that: Before the main reinforcement is laid out, a plurality of first support rods (4) are provided and arranged at intervals between two adjacent main reinforcement fixing frames (1); Adjusting the height of the first support rod (4) to be consistent with the height of the main rib fixing frame (1); When laying out the main reinforcement, the plurality of supporting rods (9) on the first supporting rod (4) are adjusted so that the supporting rods (9) are supported on the lower side surfaces of the main reinforcement on the left and right sides.

10. The construction method of the steel frame forming tooling according to claim 9, characterized in that: Before the second connecting rod (6) is installed, lifting holes are respectively opened at both ends thereof; After the main reinforcement and stirrups are installed, a lifting rope is provided and passed through the lifting hole, the stirrup positioning mechanism, the first support rod (4), the first connecting rod (5) and the second support rod (7) are removed, and then the main reinforcement, the stirrups, the main reinforcement fixing frame (1) and the second connecting rod (6) are lifted together to the construction location by the lifting equipment.

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