Steel-wood combined large formwork mounting structure for structural joint

Abstract

The utility model discloses a steel wood combination big form plate mounting structure for structural joint, it includes reinforced net frame, cement bracing that even clamped on reinforced net frame, inner form plate, outer form plate, vertical back lath, horizontal back lath, plastic tube, threaded rod, steel pipe and steel pole. Advantageous effect: the utility model discloses a steel wood combination big form plate mounting structure for structural joint has stronger construction operability, and it is more swift to construct, and the effect that concrete forming quality is more easily guaranteed, and the effect that the joint is tight, and the flatness is good, and the overall strength is high, and the wall surface quality perception is better, and the construction efficiency is higher, and the construction is simple, and easy to master, and the turnover number is more, and the form plate material is saved, and the construction progress is opened, and the construction safety is guaranteed, and the construction cost is effectively reduced.

Description

Technical Field

[0001] This utility model patent belongs to the field of building engineering technology, specifically relating to a steel-wood combined large formwork installation structure for structural joints. Background Technology

[0002] In modern urban construction, high-rise buildings are becoming increasingly common, and their structural designs are becoming more and more sophisticated and complex. To cope with various stresses and deformations that may occur during the building's use, engineers have introduced structural joints such as expansion joints, seismic joints, and settlement joints into the design. These design elements are crucial to ensuring the long-term safety of buildings. However, in actual construction, especially for high-rise buildings with shear wall structures, these narrow structural joints often become construction challenges.

[0003] Traditional construction methods face numerous challenges in addressing these gaps. The process typically involves pouring the concrete wall on one side of the structural joint first, followed by the other side. However, during the installation of the inner formwork for the later-poured concrete wall, workers often resort to temporary measures such as filling with foam boards, reinforcing with wooden boxes, or drilling holes in the square steel beams during the installation of through-wall bolts in steel-wood composite standardized large formwork methods. These methods often result in formwork deformation, incomplete removal, or inconvenience and inefficiency, leading to a series of quality problems. For example, it may cause misalignment between upper and lower shear walls, uneven wall surfaces, gap dimensions not meeting design requirements, and slow construction progress. These seemingly minor construction defects can actually severely affect the function of the structural joint, thereby jeopardizing the safety performance of the entire building. Therefore, how to accurately control the construction quality of the later-poured concrete walls in the narrow structural joints of high-rise buildings has become a pressing technical challenge in the field of construction engineering. Utility Model Content

[0004] In view of this, the purpose of this utility model is to provide a steel-wood combined large formwork installation structure for structural joints that is faster to construct, more efficient to construct, and safer to construct.

[0005] This utility model discloses a steel-wood combined large formwork installation structure for structural joints, comprising a steel mesh frame, cement supports evenly fastened to the steel mesh frame, an inner formwork, an outer formwork, vertical back ribs, horizontal back ribs, plastic pipes, threaded rods, steel pipes, and steel rods; the inner formwork and the outer formwork are respectively arranged on both sides of the steel mesh frame, the inner formwork being located on the side closer to the structural joint, and a plurality of evenly arranged vertical back ribs being fixed to the side of the inner formwork away from the steel mesh frame by screws; a plurality of evenly arranged horizontal back ribs are welded and fixed to the surface of the vertical back ribs; on the inner formwork and the outer formwork... A plurality of evenly spaced through holes are provided, and a plastic tube is movably inserted between the through holes on the inner template and the outer template. A threaded rod is movably inserted inside the plastic tube. One end of the threaded rod has an integrally formed ring, and steel pipes are horizontally arranged on both sides of the other end of the threaded rod. A mountain-shaped clip is fitted onto the other end of the threaded rod. The inner side of the mountain-shaped clip is engaged with the two steel pipes, and a nut is screwed onto the threaded rod on the outer side of the mountain-shaped clip. A steel rod is movably inserted into a row of rings, and a hook is integrally formed at the top of the steel rod. The hook is engaged with the transverse back rib above the inner template.

[0006] Furthermore, several uniformly arranged wooden back ribs are vertically fixed on the outer side of the outer template.

[0007] Furthermore, a washer is provided between the inner side of the inner template and the screw.

[0008] Furthermore, two lifting rings are fixed on the transverse back rib above the outer side of the inner template.

[0009] Furthermore, both the vertical back rib and the horizontal back rib are square steel, and the screw is a dovetail screw.

[0010] Advantages of this utility model: 1. The present invention discloses a steel-wood combined large formwork installation structure for structural joints. Compared with the traditional method of stuffing polystyrene boards, stuffing fixed-size wooden boxes, or the more advanced steel-wood combined fixed-size large formwork (with holes on the square steel back ribs), it has the advantages of stronger construction operability, faster construction, and easier guarantee of concrete forming quality.

[0011] 2. The present invention discloses a steel-wood combined large formwork installation structure for structural joints, wherein the inner and outer formwork have tight joints, good flatness, high overall strength, and better wall surface quality and appearance.

[0012] 3. This utility model discloses a steel-wood combined large formwork installation structure for structural joints. Vertical back braces are fixed to the inner formwork with screws. Holes are drilled in both the inner and outer formwork before plastic tubes are inserted. The structure is then reinforced by an integrally formed threaded rod with a ring. This effectively solves and optimizes the construction defects of traditional steel-wood combined standardized large formwork methods, such as the high precision requirements for drilling and welding through-wall bolts on square steel, difficulties in aligning bolts with reinforcing bars, and inflexible installation. The result is higher construction efficiency, simpler construction, and easier to master.

[0013] 4. The present invention discloses a steel-wood combined large formwork installation structure for structural joints. Compared with the traditional loose and disassembled wooden formwork, it has a higher turnover rate, saves formwork materials, speeds up the construction progress, ensures construction safety, and effectively reduces construction costs. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0016] Figure 2 for Figure 1 A cross-sectional schematic diagram of AA.

[0017] 1. Reinforcing steel mesh frame; 2. Cement support strip; 3. Inner formwork; 4. Outer formwork; 5. Vertical back brace; 6. Horizontal back brace; 7. Plastic pipe; 8. Threaded rod; 9. Steel pipe; 10. Steel rod; 11. Screw; 12. Through hole; 13. Ring; 14. U-shaped clip; 15. Nut; 16. Hook; 17. Wooden back brace; 18. Washer; 19. Lifting ring. Detailed Implementation

[0018] The present invention will be further described in detail below through embodiments.

[0019] Example: Figure 1-2As shown, a steel-wood composite formwork installation structure for structural joints includes a steel mesh frame 1, cement support strips 2 evenly clamped onto the steel mesh frame 1, an inner formwork 3, an outer formwork 4, vertical back ribs 5, horizontal back ribs 6, a plastic pipe 7, a threaded rod 8, a steel pipe 9, and a steel rod 10. The inner formwork 3 and outer formwork 4 are respectively set on both sides of the steel mesh frame 1. The inner formwork 3 is located on the side closer to the structural joint. On the side of the inner formwork 3 away from the steel mesh frame 1, several evenly arranged vertical back ribs 5 are fixed by screws 11. Several evenly arranged horizontal back ribs 6 are welded and fixed to the surface of the vertical back ribs 5. Several evenly arranged through holes 12 are correspondingly opened on the inner formwork 3 and the outer formwork 4. A plastic tube 7 is movably inserted between the outer template 3 and the through hole 12 on the outer template 4; a threaded rod 8 is movably inserted inside the plastic tube 7, one end of the threaded rod 8 has an integrally formed ring 13, and steel pipes 9 are horizontally arranged on both sides of the other end of the threaded rod 8. A mountain-shaped clip 14 is fitted on the other end of the threaded rod 8, and the inner side of the mountain-shaped clip 14 is engaged with the two steel pipes 9. A nut 15 is screwed onto the threaded rod 8 on the outer side of the mountain-shaped clip 14; a steel rod 10 is movably inserted into a row of rings 13 to fix the outer template 4 and the inner template 3. A hook 16 is integrally formed at the top of the steel rod 10, and the hook 16 is engaged with the horizontal back rib 6 above the inner template 3 to prevent the steel rod 10 from falling down and to facilitate subsequent removal by workers.

[0020] Several evenly spaced wooden back ribs 17 are vertically fixed on the outer side of the outer template 4. A washer 18 is provided between the inner side of the inner template 3 and the screw 11. Two lifting rings 19 are fixed on the horizontal back rib 6 above the outer side of the inner template 3 to facilitate the hoisting of the inner template 3. The vertical back rib 5 and the horizontal back rib 6 are both square steel, and the screw 11 is a dovetail screw 11.

[0021] Construction process: First, the steel mesh frame 1 is tied, and after the cement support strips 2 are placed, relevant personnel are organized to conduct a concealed inspection of the steel mesh frame 1. Next, after the inner formwork 3 is hoisted into place, it must be temporarily fixed by tying it securely to the shear wall steel mesh frame 1 with 18# iron wire at 500mm intervals. The bottom of the inner formwork 3 is temporarily supported by threaded bolts through the old wall bolt holes. After it is firmly fixed, the hoisting wire rope is released. Then, an A50mm bolt is inserted between the through holes 12 of the inner formwork 3 and the outer formwork 4. PVC pipes protrude 50mm from both sides of the inner formwork 3 and outer formwork 4 to prevent concrete leakage and to bond the rings 13 and steel rods 10. Then, threaded rods 8 with rings 13 at one end are inserted into the PVC pipes. One end of the rings 13 extends into the structural joint. A row of rings 13 is aligned vertically. Steel rods 10 with a diameter of 18 or 20 are inserted into a row of rings 13. The other end of the threaded rods 8 is tightened with nuts 15 for tightening and reinforcing the inner formwork 3 and outer formwork 4. Concrete is poured after the formwork is inspected and approved.

[0022] The above are preferred embodiments of this utility model. For those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the protection scope of this utility model.

Claims

1. A steel-wood combined large formwork installation structure for structural joints, comprising a reinforcement net frame and cement struts uniformly clamped on the reinforcement net frame; characterized in that, It also includes an inner template, an outer template, vertical back ribs, horizontal back ribs, plastic pipes, threaded rods, steel pipes, and steel rods; the inner template and the outer template are respectively set on both sides of the steel mesh frame, the inner template is located on the side closer to the structural joint, and several evenly arranged vertical back ribs are fixed to the side of the inner template away from the steel mesh frame by screws; several evenly arranged horizontal back ribs are welded and fixed to the surface of the vertical back ribs; several evenly arranged through holes are correspondingly opened on the inner template and the outer template, and the inner template and the outer template... The plastic tube moves through the through holes on the plate; the threaded rod moves through the plastic tube, one end of the threaded rod has an integrally formed ring, and the steel pipes are horizontally arranged on both sides of the other end of the threaded rod. A mountain-shaped clip is fitted on the other end of the threaded rod, and the inner side of the mountain-shaped clip is engaged with the two steel pipes. A nut is screwed onto the threaded rod on the outer side of the mountain-shaped clip; the steel rod is movably inserted into a row of rings, and a hook is integrally formed at the top of the steel rod. The hook is engaged with the transverse back rib above the inner template.

2. A steel-wood combined form installation structure for structural joints according to claim 1, characterized in that, Several evenly spaced wooden back ribs are vertically fixed on the outer side of the outer template.

3. The steel-wood combined large formwork mounting structure for structural joints according to claim 1 or 2, characterized in that, A washer is provided between the inner side of the inner template and the screw.

4. A steel-wood combined formwork installation structure for structural joints according to claim 3, characterized in that, Two lifting rings are fixed on the transverse back rib above the outer side of the inner template.

5. The steel-wood combined large formwork installation structure for structural joints according to claim 1, characterized in that, Both the vertical back rib and the horizontal back rib are square steel, and the screw is a dovetail screw.

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