CN104389415B - scaffold - Google Patents

Abstract

The invention discloses a scaffold, which is used in the technical field of building construction, and comprises an outer pole, an inner pole and a step board device, two ends of a connecting square pipe are processed with arc parts, and the outer pole and the inner pole are connected by connecting the square pipe The arc parts of the arcs are connected and welded into a support frame; the outer pole or inner pole of the support frame is provided with a butt joint; the support frame is connected by a butt joint in the vertical direction, and the support frame is connected by a step plate device in the horizontal direction; the step plate The device includes a tread plate frame, right-angle steel and steel plates, and the two ends of the tread plate frame are respectively provided with a clamp one and a clamp two; the tread plate frame is connected with the right-angle steel through the clamp one and clamp two; There are steel plates. The invention has the advantages of simple structure, high safety and high stability. Through the setting of clips and butt joint reinforcements, the installation and disassembly of the scaffold are convenient, and the overall structure can reduce the material cost of the scaffold by 30%-40% and save 45%- 60% of the labor force, greatly reducing costs and improving efficiency.

Description

scaffold

technical field

The invention relates to the technical field of building construction, in particular to scaffolding.

Background technique

Scaffolding refers to all kinds of scaffolding set up on the construction site to provide safety protection for workers and solve vertical and horizontal transportation. The generic term on building circle, refers to building site be used in the higher place that cannot directly construct of exterior wall, interior decoration or floor height. It is mainly for the safety of construction workers working up and down or the surrounding safety net enclosure and high-altitude installation components. Some projects also use scaffolding as formwork support, and it is also widely used in advertising, municipal administration, traffic roads and bridges, mines and other departments.

At present, there are many fasteners of different specifications on ordinary scaffolding, such as cross fasteners, steering fasteners and direct fasteners. Due to the variety of fasteners, fasteners will be lost, damaged and inconvenient to install; The use of moso bamboo safety fence has the defects of easy damage, poor turnover, inability to be reused many times, and poor safety; the plastic safety net is easy to be damaged, easy to pulverize, and cannot be reused for many times, and the scissors used in ordinary scaffolding are dismantled at the edge As a result, the installation and disassembly of ordinary scaffolding is labor-intensive, low-efficiency, and requires a lot of labor. Fasteners, safety nets, and bamboo fences are easy to wear and tear, and the cost of materials is also high.

Contents of the invention

The purpose of the present invention is to provide a scaffold, which has the characteristics of few parts, not easy to be damaged and lost, simple structure, high safety, high stability, convenient installation and disassembly, reusable, low cost and high work efficiency.

The scheme of the present invention is as follows: Scaffolding includes an outer pole, an inner pole, a connecting square tube and a step plate device, the two ends of the connecting square tube are processed with arc parts, and the outer pole and the inner pole are connected through a connecting square. The arc parts of the tubes are connected and welded into a support frame; the outer pole or the inner pole of the support frame is provided with a butt joint tube; the support frames are connected in the vertical direction through the butt joint tube, and the butt joint tube on the inner pole is connected Afterwards, a butt joint reinforcing piece is set outside the inner vertical rod for fixing, and the said butt joint reinforcement is formed by connecting two semicircular fixing buckles through bolts, and the support frames are connected in the horizontal direction by a step plate device; the step plate device includes a step Plate frame, right-angle steel and steel plate, one end of the tread plate frame is provided with clamp one, and the other end is provided with clamp two; the tread plate frame is connected with the right-angle steel through clamp one and clamp two; steel plate.

The outer side of the support frame is provided with horizontal handrails and 45-degree oblique bracing.

A safety net frame is arranged on the outside of the support frame, and a steel wire mesh is arranged inside the safety net frame.

A screw height adjuster is arranged below the outer pole and the inner pole, and the screw height adjuster includes a base, a screw and a screw cap; the base and the screw are fixed, and the screw passes through the screw cap and is connected to the outer stand Below the pole and inner pole for leveling.

The two ends of the right-angle steel are provided with steel plate clips, and the right-angle steel is also provided with channel steel clips; the steel plates are provided with heart-filling steel.

The inner side of the outer pole is provided with an angle steel frame, and both ends of one side of the angle steel frame are provided with cutting grooves, and an anti-interference groove is arranged beside one of the cutting grooves.

The butt joint reinforcements on the support frame are set at intervals of a vertical pole, one high and one low.

A triangular support block is arranged below the connecting square pipe, the connecting square pipe is connected to the inner side of the inner vertical rod, and a semicircular flat iron hoop is welded on the outer side of the inner vertical rod.

Beneficial effects of the present invention:

(1) The structure of this scaffold is simple, and it is connected and fixed by welding, clips and connecting reinforcements in batches in the factory. Lost, repeated maintenance and easy transportation and replacement, can be used many times, can save a lot of material costs and maintenance and transportation costs;

(2) The scaffold adopts a safety net with a steel wire mesh in the safety net frame, which can eliminate the use of conventional plastic safety nets and moso bamboo safety fences. It has a long service life, strong turnover, and has the characteristics of fire prevention to ensure safety;

(3) The structure of the scaffold is simple, and the step plate device is adopted, so that the construction personnel can walk on the steel plate as if walking on the ground, stable and safe, thereby improving the construction quality and speeding up the construction progress;

(4) The steel wire mesh, handrails, diagonal braces and the overall setting structure are easy to disassemble and install, which can avoid the safety risk of the scissors braces designed for ordinary scaffolding when they are installed and disassembled;

(5) The use of conventional safety nets and bamboo fences is avoided, so that it has a certain fireproof performance.

Description of drawings

Fig. 1 is the plan view of scaffold of the present invention;

Fig. 2 is the front view of the scaffold;

Figure 3 is a schematic diagram of the butt joint of the inner and outer poles;

Fig. 4 is a schematic diagram of the connection structure between the square pipe and the inner and outer poles;

Fig. 5 is the structural schematic diagram of connecting square pipe;

Fig. 6 is the structural representation of flat iron hoop;

Fig. 7 is a schematic diagram of the structure of the butt joint arranged in the inner pole;

Fig. 8 is a structural schematic diagram of the butt joint reinforcement on the outer pole;

Fig. 9 is a schematic structural view of the tread plate device;

Fig. 10 is a schematic diagram of the frame structure of the tread plate;

Fig. 11 is a schematic diagram of steel wire mesh structure;

Fig. 12 is a schematic diagram of the angle steel frame structure;

Figure 13 is a schematic diagram of the installation structure of the angle steel frame;

Fig. 14 is a schematic diagram of steel wire mesh optimization structure;

Among them: 1. Outer pole; 2. Inner pole; 3. Step plate device; 4. Safety net frame; 5. Diagonal brace; 6. Handrail; 7. Butt joint reinforcement; 8. Base; 10. Wire cap; 11. Flat iron hoop; 12. Connecting square pipe; 13. Triangular support block; 14. Screw hole; 15. Step board frame; 16. Steel plate clamp; 17. Channel steel clamp; 18. Right-angle steel; 19. Steel plate; 20. Timing steel; 21. Clamp one; 22. Clamp two; 23. Angle steel frame; 24. Grooving; 25. Steel wire mesh; 28, anti-interference groove; 29, body of wall; 701, semicircular fixed buckle; 702, fixed buckle locking plate.

detailed description

The present invention will be further described below in conjunction with embodiment.

As shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 9, the scaffolding includes an outer pole 1, an inner pole 2, a connecting square pipe 12 and a step plate device 3, and the two ends of the connecting square pipe 12 are processed with arcs part, the outer pole 1 and the inner pole 2 are welded into a support frame after connecting the arc portion of the square tube 12, the arc portion is connected more conveniently and stably, and the welding is easier and the strength is higher; the support The outer pole 1 or the inner pole 2 of the frame is provided with a butt joint 26, and the butt joint 26 can be arranged on the upper end of the outer pole 1 and the inner pole 2 of the support frame, so as to be compatible with the outer pole 1 of the above support frame. It is socketed with the inner pole 2, and can also be arranged at the lower end of the outer pole 1 and the inner pole 2, so that it is socketed with the outer pole 1 and the inner pole 2 of the lower support frame; the support frames pass through in the vertical direction The butt joint 26 is connected, the screw passes through the inner vertical rod 2 and the screw hole 14 on the butt joint 26 to connect, and then the butt joint reinforcement 7 is set outside the inner vertical rod 2 for fixing. The butt joint reinforcement 7 is two semicircular fixing buckles 701 It is formed by bolt connection, and the support frames are connected in the horizontal direction through the tread plate device 3; the tread plate device 3 includes a tread plate frame 15, a right-angle steel 18 and a steel plate 19, and one end of the tread plate frame 15 is provided with a clip 21 , the other end is provided with two clips 22; the open ends of clip one 21 and clip two 22 are flush with the lower surface of the tread plate frame 15; ; There are steel plates 19 inside the frame 15 of the two treads.

Further, as shown in FIG. 3 , a movable connection square pipe 12 can be arranged between the two connection square pipes 12 of the support frame, and the connection square pipe 12 is connected to the inner vertical rod 2 and the outer vertical rod 1 through the butt joint reinforcement member 7 connection, the butt reinforcement 7 is fixed by a semicircular fixed buckle 701 and a fixed buckle locking plate 702 through bolts, and the bolts can be adjusted to control the height of the connected square pipe 12 according to the different heights of the wall 29, thereby controlling the tread plate device 3 the height of.

Further, as shown in Fig. 1, Fig. 11 and Fig. 14, the support frame is provided with horizontal handrails 6 and obliquely arranged diagonal braces 5, so that the construction personnel can easily get on the scaffold, and can avoid the scissors of the common scaffold design. The safety risk of mounting and dismounting near the side of the brace; in addition, two reinforcement plates 27 can be provided at the other two corners of the support frame with the diagonal brace 5; Plate 27. The uppermost and lowermost handrails 6 in each support frame are set to half the width of the middle part of the handrail 6, so that after the two support frames are connected, the overall handrail 6 looks the same in size and is more beautiful.

Further, as shown in Figure 1 and Figure 11, a safety net frame 4 is arranged on the outside of the support frame, and a steel wire mesh 25 is arranged inside the safety net frame 4, which can effectively prevent the safety of construction personnel and prevent accidents caused by falling objects. risk.

Further, as shown in Figure 3, a screw height adjuster is provided below the outer pole 1 and the inner pole 2, and the screw height adjuster includes a base 8, a screw 9 and a screw cap 10; the base 8 and the The screw 9 is fixed, and the screw 9 passes through the screw cap 10 and is respectively connected under the outer pole 1 and the inner pole 2. The screw cap 10 can be adjusted to adjust the screw 9 to control the height of the outer pole 1 and the inner pole 2 , To solve the situation of uneven ground, generally the height of the screw height adjuster is set to 350mm, the base 8 is set to 8mm thick, and the diameter of the screw mandrel 9 is set to 40mm.

Further, as shown in Figure 9, the two ends of the right-angle steel 18 are provided with steel plate clamps 16, the steel plate clamps 16 exceed the outside of the right-angle steel 18 by 30mm, and the right-angle steel 18 is also provided with a channel steel clamp 17; Heart-filling steel 20 is arranged between the steel plates 19, so that the tread plate device 3 is flat, as in the room, the channel steel clips 17 are staggered and arranged, and aligned with the heart-filling steel 20, so that the tread plate device 3 can be docked firmly without Will interfere, the right-angle steel 18 can be set to 780mm long, 52mm wide, step plate device 3 length 1445mm, suitable for the length ratio of the existing scaffolding, turnover, strong versatility.

Further, as shown in Fig. 11, Fig. 12 and Fig. 13, an angle steel frame 23 is arranged on the inner side of the outer pole 1, and both ends of one side of the angle steel frame 23 are provided with cutouts 24, and one side of the cutout 24 is provided with an anti-interference The groove 28 and the angle steel frame 23 are placed on the triangular support block at the outer pole and the connecting square pipe, which is convenient for connection and will not interfere.

Further, as shown in FIG. 1 , the butt joint reinforcements 7 on the support frame are set at intervals of one vertical pole at a height and one low height, and the vertical pole joints cannot be on the same horizontal line in scaffolding specifications, and must be misplaced butt joints.

Further, as shown in Fig. 3 and Fig. 4, a triangular support block 13 is arranged under the connecting square pipe 12, the connecting square pipe 12 is connected to the inner side of the inner vertical rod 2, and the outer side of the inner vertical rod 2 is welded with a semicircular flat iron hoop 11. The triangular support block 13 can make the support frame more stable and support better, and the semicircular flat iron hoop 11 makes the connection between the support frames more stable.

The overall design of the scaffold is simple and reasonable, and there are fewer structural parts than conventional scaffolds. The setting of the butt joint reinforcement 7 and the butt joint 26 makes the scaffold more stable, with better turnover and versatility. The step board device 3 makes it easier for construction workers to walk on it. It is stable, easier to build and disassemble, and data analysis through comparative experiments can reduce the material cost of scaffolding by 30%-40% and save labor by 45%-60%, which greatly reduces costs and improves efficiency, and solves the cost of construction and erection High, inconvenient disassembly, poor turnover, and poor versatility, and solve the problems of shortage of dismantling personnel and increased labor costs.

Although the specific embodiments of the present invention have been described and illustrated in detail above, it should be pointed out that we can make various equivalent changes and modifications to the above-mentioned embodiments according to the concept of the present invention, and the functional effects produced by it are still the same. Anything beyond the spirit covered by the specification shall be within the protection scope of the present invention.

Claims (5)

1. scaffold, including outer vertical rod, interior vertical rod, connecting square pipes and step plate apparatus, it is characterised in that: described connecting square pipes two ends are machined with arc sections, are welded into bracing frame after being connected by the arc sections of connecting square pipes between outer vertical rod and interior vertical rod；It is provided with butt tube in the outer vertical rod of support frame as described above or interior vertical rod；Connected by butt tube in vertical direction between bracing frame, butt tube in interior vertical rod arranges docking girth member outside interior vertical rod and is fixed after connecting, described docking girth member is that two semicircle clips are bolted and form, and is connected by step plate apparatus in the horizontal direction between bracing frame；Described step plate apparatus includes that step plate frame, steel square and steel plate, step plate frame one end are provided with fastener one, and the other end is provided with fastener two；Step plate frame is connected with steel square by fastener one, fastener two；It is provided with steel plate in two step plate frames；

The handrail of horizontal direction and 45 degree of diagonal braces being obliquely installed it are provided with on outside support frame as described above；

Described outer vertical rod and interior vertical rod are provided below screw mandrel height adjuster, and described screw mandrel height adjuster includes base, screw mandrel and silk cap；Base and screw mandrel are fixed, and screw mandrel is connected to below outer vertical rod and interior vertical rod after silk cap；

Described steel square one end is provided with steel plate fastener, and the steel square at step plate apparatus two ends is additionally provided with channel-section steel fastener.

Scaffold the most according to claim 1, it is characterised in that: it is provided with safe net frame outside support frame as described above, in safe net frame, is provided with steel wire.

Scaffold the most according to claim 1, it is characterised in that: being provided with angle steel frame inside described outer vertical rod, angle steel frame one side two ends are provided with grooving, and one of them grooving side is provided with anti-interference groove.

Scaffold the most according to claim 1, it is characterised in that: the vertical rod of one, the one high and one low interval of docking girth member on support frame as described above is arranged.

Scaffold the most according to claim 1, it is characterised in that: described connecting square pipes is provided below inside triangular support block, connecting square pipes and interior vertical rod and connects, and is welded with semicircle band iron shroud ring outside interior vertical rod.