CN209082953U - A kind of suspended structural support system - Google Patents

Abstract

The utility model discloses a cantilever structure support system, comprising a single-channel 16# I-beam, a double-channel 16# I-beam, a horizontal rod, a steel pipe, a 10# channel steel, an upper wire rope, a lower wire rope and a 18# I-beam Steel, water single-channel 16# I-beam is welded with double-channel 16# I-beam through the lower connecting block of the diagonal bracing, the top of the double-channel 16# I-beam is welded with 18# I-beam, and the bottom of 18# I-beam is welded. The middle connecting block is connected to the single-channel 16# I-beam through the lower steel wire rope, and the lateral sides of the horizontal scissor brace and the vertical scissor brace are also provided with an outer scaffold and a vertical scissor brace of the outer scaffold. The utility model not only has the advantages of simple operation, high safety factor, The advantages of energy saving and environmental protection, and the ingenious design, the improved method of replacing the cantilever structure support system of the floor frame, avoids the traditional method of construction period, waste of human and mechanical resources and other defects, and at the same time improves the quality of the outer frame and reduces the construction cost. Achieving the effect of shortening the construction period.

Description

A cantilever structure support system

technical field

The invention relates to a cantilever structure support system, which belongs to the technical field of main structure engineering construction.

Background technique

In the field of building construction, floor-standing external scaffolding is often used to set up external frames when encountering cantilevered structures. The traditional construction method needs to build the outer frame from the basement roof or the ground. The outer frame is high in height, poor in stability, difficult to control the deformation of the frame body, difficult to control the construction quality, serious waste of materials and long construction period. Therefore, it is necessary to improve traditional construction practices.

Utility model content

The purpose of the present invention is to provide a cantilever structure support system, which is simple, environmentally friendly, practical, safe, saves construction costs, and can improve construction work efficiency, so as to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a cantilever structure support system, including a single-track 16# I-beam, a double-track 16# I-beam, a horizontal rod, a steel pipe, a 10# channel steel, and an upper steel wire rope , the lower steel wire rope and 18# I-beam, the bottom of the horizontally placed single-track 16# I-beam is provided with a lower connecting block of diagonal bracing, and the single-track 16# I-beam is welded with a double-track 16# working block through the lower connecting block of the diagonal bracing. Beam, the top of the double-channel 16# I-beam is welded with the 18# I-beam, the operation platform built on the single-channel 16# I-beam is horizontally distributed with horizontal rods and steel pipes, and the steel pipes are connected with the 10# channel steel. , the middle connecting block at the bottom of the 18# I-beam is connected to a single 16# I-beam through the lower wire rope, the top of the 18# I-beam is arranged with a horizontal rod, and the 18# I-beam is distributed upward with horizontal scissor braces And the vertical scissor brace, the reinforced anti-displacement block of 18# I-beam is connected to the fixed block through the upper wire rope, and the lateral sides of the horizontal scissor brace and the vertical scissor brace are also provided with an outer scaffold and an outer scaffold vertical scissor brace.

Further, the single-channel 16# I-beam is provided with a lifting lug for hoisting the lower wire rope.

Further, the single-track 16# I-beam and 18# I-beam are installed by U-bolts, and the inner side of the U-bolts are laterally wedged by wooden wedges.

Further, each of the lower wire ropes is provided with four clamp nodes, the spacing between the three clamps is 6 times the diameter of the wire rope, and the closest spacing between the other clamp and the other three clamps is 14 times the diameter of the wire rope.

Further, the middle connecting block is provided with a round steel, the length of the round steel is greater than 300mm, and the lower steel wire rope is connected to the round steel and fastened by a clamp.

Further, the horizontal rod is connected with the inner frame for at least two spans, and the steel pipe and the 10# channel steel are connected with at least two spans with the inner frame.

Compared with the prior art, the beneficial effects of the present utility model are as follows: the utility model adopts the spot welding of a single 16# I-beam and the steel cantilever beam to make the joint beam, and the double-lane steel wire rope is used for the cantilevered outer scaffolding. During construction, it is difficult or impossible to erect the inner and outer frames. The I-beams are arranged on the floor to set up the inner and outer frames. There is no need to build the outer frame from the basement roof. Knot two wire ropes, calculate one wire rope, and use the other as a safety rope, and then construct the upper cantilever beam plate; after the construction of the main structure is completed, the I-beam, inner and outer frames can be removed together to replace the cantilevered structural support of the floor frame The improvement of the system avoids the defects of traditional construction period and waste of human and mechanical resources, and at the same time improves the quality of the outer frame, reduces the construction cost, and achieves the effect of shortening the construction period. It not only has the advantages of simple operation, high safety factor, energy saving and environmental protection Advantages, and clever design.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the schematic diagram of the lower half of Fig. 1;

Fig. 3 is the schematic diagram of the lifting lug at the upper part of the diagonal bracing of the present invention;

Fig. 4 is a large sample drawing of the upper part of the diagonal bracing of the present utility model;

Fig. 5 is a large sample diagram of the lower part of the diagonal brace of the present utility model;

Fig. 6 is the U-bolt connection diagram of the cantilever steel beam of the utility model;

Figure 7 is a schematic diagram of a wire rope clamp node of the present invention;

8 is a schematic diagram of the upper structure of the wire rope of the present invention;

Fig. 9 is the structural representation of the round steel of the present utility model;

Figure 10 is an enlarged view at A-A of Figure 8;

Figure 11 is a schematic diagram of the structure of the lower part of the wire rope of the present invention.

Description of reference numerals: 1-single-channel 16# I-beam; 101- lower connecting block of diagonal brace; 102-lifting lug; 2-double-channel 16# I-beam; 3-horizontal rod; 4-steel pipe; 5-10 #Channel steel; 6-upper steel wire rope; 7-lower steel wire rope; 8-18# I-beam; 81-middle connecting block; 82-rebar anti-displacement block; 9-operating platform; 10-horizontal scissor support; 11-vertical Scissor brace; 12-fixed block; 13-outer scaffold; 14-outer scaffold vertical scissor brace; 15-U-bolt; 16-wood wedge; 17-round steel.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

The embodiment of the present utility model: the structural schematic diagram of the cantilever structure support system is shown in Figures 1 to 11, including a single-channel 16# I-beam 1, a double-channel 16# I-beam 2, a horizontal rod 3, and steel pipes 4 and 10. #Channel steel 5, upper steel wire rope 6, lower steel wire rope 7 and 18# I-beam 8, the bottom of the horizontally placed single-track 16# I-beam 1 is provided with a diagonal bracing lower connecting block 101, and a single-track 16# I-beam 1 Double-track 16# I-beam 2 is welded through the lower connecting block 101 of the diagonal bracing to connect the two together. The top of the double-track 16# I-beam 2 is welded with 18# I-beam 8. Building 5 and 18# The included angle of the I-beam 8 is 65°, and the included angle of the No. 1 building and the 18# I-beam 8 is 65°. The operation platform 9 built on the single-track 16# I-beam 1 is horizontally distributed with horizontal rods 3 and steel pipes 4. , the steel pipe 4 is connected with the 10# channel steel 5, the horizontal rod 3, the steel pipe 4 and the 10# channel steel 5 are built to form a frame, and the steel pipe 4 and the 10# channel steel 5 are connected at least two spans with the inner frame to ensure stability, 18 #The middle connecting block 81 at the bottom of the I-beam 8 is connected to the single-track 16# I-beam 1 through the lower wire rope 7, and is pulled up by the steel wire rope to support the single-track 16# I-beam 1, and the single-track 16# I-beam 1 is on There is a lifting lug 102 for hoisting the lower wire rope 7, which is used for the lower wire rope 7 to be pulled and connected to the top. The middle connecting block 81 is provided with a round steel 17, the length of the round steel 17 is greater than 300mm, and the round steel 17 is used for fixing the lower wire rope At the top of 7, the lower wire rope 7 is connected to the round steel 17 and clamped with a clamp to prevent it from loosening. The lower wire rope 7 is provided with four clamp nodes. The closest distance with the other three clamps is 14 times the diameter of the wire rope, which ensures that the joint of the lower wire rope 7 can be locked. The inner side of the U-bolt 15 is laterally wedged by the wooden wedge 16 to ensure the stable installation of the single-channel 16# I-beam 1 and 18# I-beam 8. A horizontal rod 3 is arranged above the 18# I-beam 8, and the horizontal The rod 3 is connected with the inner frame for at least two spans to ensure stability. The 18# I-beam 8 is distributed with horizontal scissor braces 10 and vertical scissor braces 11, and both horizontal scissor braces 10 and vertical scissor braces 11 play a supporting role , the reinforced anti-displacement block 82 of the 18# I-beam 8 is connected to the fixed block 12 through the upper wire rope 6, and the reinforced anti-displacement block 82 is the connection point of the upper wire rope 6, and the sides of the horizontal scissors 10 and the vertical scissors 11 are also An outer scaffold 13 and an outer scaffold vertical scissor brace 14 are provided, and the outer scaffold 13 and the outer scaffold vertical scissor brace 14 play the role of protection and support.

When constructing the above-mentioned cantilever structure support system, the following steps can be taken:

Step 1: At the lower two floors of the cantilever structure, arrange 16# I-beam cantilever as the main beam according to the deepening drawings, and partially use a single 16# I-beam 1 to spot welding with the steel cantilever beam to form the joint beam, and a steel wire rope to unload, A steel wire rope is used as a safety rope" method to erect the cantilevered outer scaffolding and serve as a platform for the erection of diagonal bracing I-beams; during the construction of the cantilevered structure, it is difficult or impossible to erect the inner and outer scaffolding. , Outer frame, no need to set up outer frame from the basement roof, saving construction period, labor cost and material cost;

Step 2: 18# I-beam 8 cantilever is set up on the next floor of the cantilever structure as the main beam. Partially, double-pass 16# I-beam 2 and the steel cantilever beam are spot welded to make the joint beam. The beam 2 is used as a diagonal strut (one is calculated, and one is used as a safety measure) to erect the cantilever beam plate formwork frame; the outer frame is erected from the cantilevered I-beam, and the erection height is low, which is convenient for quality control;

Step 3: After the concrete pouring of the cantilever beams and slabs between the five layers is completed, the frame beams of each layer are tied with two wire ropes, one wire rope is calculated, and the other is used as a safety rope, and then the upper cantilevered beams and slabs are constructed; after the construction of the main structure is completed, The I-beam, inner and outer frames can be removed together, saving construction time and labor costs.

The following is the calculation method of hollow concrete bulk density calculation, filling wall volume: 3.0×2.0×0.2=(1.2m ³ ), PVC pipe volume: 3.14×0.05 ² ×2.0×15=(0.2355m ³ ), hollow concrete volume: 1.2 -0.2355=0.9645(m ³ ), can be calculated from the above formula, hollow concrete bulk density=25×(0.9645/1.2)=20.1(kN/m ³ ), conventional masonry bulk density: 18.0kN/m ³ ; conventional concrete bulk density: 25kN/m ³ . It can be seen from the calculation book that the bulk density of hollow concrete walls is slightly heavier than that of conventional masonry, but much smaller than that of conventional concrete. Hollow concrete walls can replace the masonry between shear walls for construction.

The improved method of the utility model replacing the cantilever structure support system of the floor frame avoids the defects of the traditional method, such as construction period and waste of human and mechanical resources, and at the same time improves the quality of the outer frame and reduces the construction cost. The effect of shortening the construction period is achieved, and it not only has the advantages of simple operation, high safety factor, energy saving and environmental protection, but also has an ingenious design.

To sum up, the utility model adopts a single-track 16# I-beam 1 and a steel cantilever beam to spot-weld as a connecting beam, and double-track steel wire ropes are used to erect the cantilevered outer scaffolding. For erection, the I-beams are arranged on the floor to erect the inner and outer frames, and there is no need to erect the outer frame from the basement roof. After the five-story cantilever beam slab concrete is poured, the frame beams on each floor are tied with two steel wire ropes, and one steel wire rope is calculated. One is used as a safety rope, and then the upper cantilevered beam plate is constructed; after the construction of the main structure is completed, the I-beam, inner and outer frames can be removed together to replace the improvement of the cantilever structure support system of the floor frame, avoiding the traditional practice. At the same time, the quality of the outer frame is improved, the construction cost is reduced, and the effect of shortening the construction period is achieved. It not only has the advantages of simple operation, high safety factor, energy saving and environmental protection, but also ingenious design.

Claims (6)

1. A cantilever structure support system, comprising a single-channel 16# I-beam (1), a double-channel 16# I-beam (2), a horizontal rod (3), a steel pipe (4), and a 10# channel steel (5) ), the upper wire rope (6), the lower wire rope (7) and the 18# I-beam (8), characterized in that the bottom of the horizontally placed single-track 16# I-beam (1) is provided with a diagonal bracing lower connecting block ( 101), the single-pass 16# I-beam (1) is welded with double-pass 16# I-beam (2) through the lower connecting block (101) of the diagonal bracing, and the top of the double-pass 16# I-beam (2) and 18# The I-beam (8) is welded, and the operation platform (9) built on the single-track 16# I-beam (1) is horizontally distributed with horizontal rods (3) and steel pipes (4), steel pipes (4) and 10# The channel steel (5) is connected, and the middle connecting block (81) at the bottom of the 18# I-beam (8) is connected to the single-channel 16# I-beam (1) through the lower wire rope (7). The 18# I-beam A horizontal rod (3) is arranged above (8), a horizontal scissor brace (10) and a vertical scissor brace (11) are distributed upwardly on the 18# I-beam (8), and the 18# I-beam (8). The displacement block (82) is connected to the fixed block (12) through the upper wire rope (6), and the lateral sides of the horizontal scissor support (10) and the vertical scissor support (11) are also provided with an outer scaffold (13) and an outer scaffold vertical Towards the scissors brace (14). 2 . The cantilever structure support system according to claim 1 , wherein the single-channel 16# I-beam ( 1 ) is provided with a lifting lug ( 102 ) for hoisting the lower wire rope ( 7 ). 3 . 3. The cantilever structure support system according to claim 1, characterized in that: the single channel 16# I-beam (1) and 18# I-beam (8) are both installed by U-bolts (15), The inner side of the U-bolt (15) is laterally wedged through the wooden wedge (16). 4. The cantilever structure support system according to claim 1, characterized in that: the lower wire ropes (7) are provided with four clamp nodes, the spacing of the three clamps is 6 times the diameter of the wire rope, and the other clamp The closest distance between the hoop and the other three clamps is 14 times the diameter of the wire rope. 5. The cantilever structure support system according to claim 1, characterized in that: the middle connecting block (81) is provided with a round steel (17), the length of the round steel (17) is greater than 300mm, and the lower steel wire rope (7) Connect to the round steel (17) and fasten it with a clamp. 6 . The cantilever structure support system according to claim 1 , wherein the horizontal rod ( 3 ) is connected with the inner frame at least for two spans, and the steel pipe ( 4 ) is connected with the 10# channel steel ( 5 ) at least with the inner frame. 7 . The frame connects the two spans.