CN209780193U - Suspension type scaffold - Google Patents

Abstract

The utility model discloses a suspension scaffold. The suspended scaffolding includes a plurality of main support beams vertically arranged on the concrete main body facade, each main support beam is connected with the cantilever member through a tie rod, and the upper end of the tie rod is suspended on the cantilever member through the upper connection piece of the tie rod, and the tie rod The lower ends of each are connected to the main support beam through the lower connecting piece of the tie rod, and the two adjacent main support beams are connected through the cross support beam. The utility model of the suspension scaffold has a large cantilever length and a large construction range, which increases the accuracy and safety of the construction; it combines the characteristics of the hanging basket and the scaffold, and has the advantages of fast assembly and disassembly, large cantilever length, and easy operation. It has the characteristics of spacious surface, little impact on other operating procedures, stereotyped processing, and reusable use.

Description

a suspended scaffolding

technical field

The utility model relates to a suspension scaffold.

Background technique

In order to highlight the architectural aura and highlight the status of the building, the roof is usually designed with a cantilever shape of "roof hat". During the construction of the "roof cap", after the construction of the main supporting force-bearing structure is completed, the construction of the decorative surface needs to be carried out at the bottom of the "roof cap", but it is difficult to set up the construction operation platform at this place. The traditional method mainly uses steel pipe floor scaffolding, cantilevered scaffolding or hanging baskets. In the actual construction process, it is found that these methods have some defects, for example: (1) When the cantilevered components are long and the elevation is high However, ordinary steel pipe scaffolding and hanging baskets have relatively large limitations; (2) the installation and fixing of hanging baskets is troublesome, the horizontal working surface is limited, the stability of the operating platform is poor, there are many safety hazards, and the length of the cantilever is limited, which also affects the concrete. The construction of the main facade and roof related processes; (3) the length of the cantilevered scaffolding is limited, the amount of erection is large, the disassembly and assembly of the process is troublesome, and the small distance between the poles affects the construction and other processes within the range of the cantilevered layer. construction.

Therefore, need a kind of novel operating structure badly now to solve the above problems.

Utility model content

The utility model provides a suspended scaffold which can be assembled and disassembled quickly, has a large overhang length, a spacious working surface, is shaped and processed, and can be used repeatedly, and solves the problems existing in the prior art.

The technical scheme that the utility model adopts for solving the problems of the technologies described above is:

A suspended scaffolding, comprising a plurality of main support beams connected at one end to the facade of the concrete main body, the main support beams are located on the same horizontal plane, and the ends of the main support beams close to the facade of the concrete main body pass through a main support beam connector Connected with the main concrete facade, each main support beam is connected to the cantilever member through a set of tie rods, and the adjacent two main support beams are connected by several transverse support beams perpendicular to the main support beam, and each transverse support The two ends of the beam are respectively connected to the main support beam through a cross support beam connector, and the main support beam and the cross support beam are arranged crosswise to form a grid platform.

The upper ends of the pull rods are hung on the cantilever member through a pull rod upper connection piece, and the lower ends of the pull rods are connected with the main support beam through a pull rod lower connection piece.

A step frame is provided on the top of the grid platform, and the step frame is formed by assembling step vertical bars, step horizontal bars and step vertical bars. The intersections of the step vertical bars, step horizontal bars and step vertical bars are connected by fasteners, and the steps The lower end of the pole is connected with the grid platform through the step pole connecting piece, and a pedal is laid on the step surface of the step frame.

The main support beam connector includes a T-shaped connector fixed on the facade of the concrete main body through chemical anchor bolts, and the end of the main support beam is connected to the T-shaped connector through bolts; The splicing frame socketed on the cantilevered member, the splicing frame is formed by connecting three short rods sequentially through bolts and then connecting with the tie rods, the lower connecting part of the pull rods is the connecting ear plate welded on the main support beam, The lower end of the tie rod is connected to the connecting ear plate through bolts; the connecting part of the cross support beam is the connecting ear plate welded on the main support beam, and the two ends of the cross support beam are connected to the connecting ear plate through bolts.

The connecting part of the step vertical rod includes a casing welded on the top of the grid platform, the lower end of the step vertical rod is plugged into the casing, and is tightened in the casing by the bolt whose head penetrates into the casing.

Two adjacent transverse support beams are connected by several auxiliary support beams.

A reinforcement structure is provided on the concrete body close to the installation of the cantilever component, the reinforcement structure includes a plurality of reinforcement beams arranged in broken lines on the top of the concrete body, and the end of each reinforcement beam is connected to the concrete body through a reinforcement beam connector connected at the top.

The reinforced beam connector includes a reinforced beam backing plate fixed on the concrete body through chemical anchor bolts, a reinforced beam connecting plate is welded on the reinforced beam backing plate, and both ends of the reinforced beam are connected to the reinforced beam connecting plate by bolts .

The utility model adopts the above structure and has the following advantages:

The suspended scaffolding of the utility model is suspended and connected with the cantilevered components through the tie rods, connected with the main support beam and the facade of the concrete main body, combines the characteristics of the hanging basket and the scaffolding, ensures the stability and safety of the platform, and has a wide range of construction Large, large overhang length, fast assembled installation and disassembly, large overhang length, spacious working surface, little impact on other operating procedures, finalized processing, and turnaround use, etc., which increase the accuracy and safety of construction; The support beam can offset the torque applied to the concrete body by part of the overall load of the scaffold, thereby reducing the load on the cantilevered components and reducing the reinforcement required for the concrete body to a certain extent; the tie rods and main support beams can be pre-assembled modularly on the ground , can reduce the amount of high-altitude operations.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the schematic diagram of the structure after the step frame is built on the top of the grid platform;

Fig. 3 is the schematic diagram of the enlarged structure of part A in Fig. 1;

Fig. 4 is the schematic diagram of the enlarged structure of part B in Fig. 2;

Figure 5 is a schematic diagram of an enlarged structure of a T-shaped connector;

Fig. 6 is a schematic diagram of an enlarged structure of the connecting piece on the pull rod;

Fig. 7 is a schematic diagram of an enlarged structure of the lower connecting piece of the pull rod;

Fig. 8 is a schematic diagram of an enlarged structure of a step pole connector;

Fig. 9 is an enlarged structural schematic diagram of a reinforced beam connector.

In the figure, 1. Main supporting beam, 2. Connecting piece of main supporting beam, 21. T-shaped connecting piece, 3. Pull rod, 4. Upper connecting piece of pulling rod, 41. Short rod, 5. Lower connecting piece of pulling rod, 51. Connection Ear plate, 6, cross support beam, 7, cross support beam connector, 8, step vertical rod, 9, step cross bar, 10, step vertical rod, 12, step vertical rod connector, 121, casing, 13, Pedal, 14, auxiliary supporting beam, 15, reinforcing beam, 16, reinforcing beam connector, 161, reinforcing beam backing plate, 162, reinforcing beam connecting plate.

Detailed ways:

In order to clearly illustrate the technical features of this solution, the utility model will be described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

Example 1:

As shown in Figure 1, the suspended scaffolding of this embodiment includes a plurality of main support beams 1 connected at one end to the facade of the concrete main body. One end of the surface is connected to the concrete main body facade through a main support beam connector 2, each main support beam 1 is connected to the cantilever member through a set of tie rods 3, and two adjacent main support beams 1 are connected through several The cross support beams 6 perpendicular to the main support beam 1 are connected, and the two ends of each cross support beam 6 are respectively connected to the main support beam 1 through a cross support beam connector 7, and the main support beam 1 intersects with the cross support beam 6 The arrangement forms a grid platform.

The upper ends of the tie rods 3 are hung on the suspension member through a tie rod upper connecting piece 4 , and the lower ends of the tie rods 3 are connected with the main support beam 1 through a tie rod lower connecting piece 5 .

During specific construction, the connection position of the cross-support beam connector 7 and the concrete main facade deviates 10 cm from the connection position of the cantilever member and the concrete main facade to the left or right, so as to prevent the concrete main facade from being too concentrated. In addition, the positional relationship between the main support beam and the facade of the concrete main body is preferably connected vertically.

In this embodiment, the suspended scaffolding is suspended and connected with the cantilevered components through the tie rods, and the main support beam 1 is connected to the facade of the concrete main body. The supporting beam can offset a part of the torque exerted by the overall load of the scaffold on the concrete main body, thereby reducing the overhang The load on the member can reduce to some extent the reinforcement required for the concrete body. In the traditional cantilevered scaffolding, one end of the supporting beam is fixed on the top of the concrete main body to achieve cantilevering. This kind of cantilevering method is the lower support type support, and the lower supporting beam will bear all the load. The concrete main body and the support The torsional moment experienced at the beam connection location is relatively high.

Example 2:

In this embodiment, there are two tie rods 3 in each group, which are respectively connected to the middle of the main support beam 1 and the end far away from the concrete main body facade, so as to ensure the force balance of the main support beam.

Example 3:

The difference between this embodiment and embodiment 2 is:

As shown in Figures 1-9, a step frame is provided on the top of the grid platform, which is convenient for workers to carry out construction operations at different heights.

The step frame is formed by assembling the step vertical bar 8, the step cross bar 9 and the step vertical bar 10, the intersection of the step vertical bar 8, the step cross bar 9 and the step vertical bar 10 is connected by a fastener, and the lower end of the step vertical bar 8 The grid platform is connected to the grid platform through the step pole connecting piece 12, and a pedal 13 is laid on the step surface of the step frame. The fasteners are common fasteners used to build scaffolds in the prior art, and guardrails are provided on the side of the step frame to prevent falling accidents and ensure the construction safety of workers.

The step vertical rod connector 12 includes a sleeve 121 welded on the top of the grid platform, the lower end of the step vertical rod 8 is inserted into the sleeve 121, and is tightened by the bolt whose head penetrates into the sleeve 121. In the casing 121, the above installation structure is adopted to realize the convenient installation, disassembly, and turnover use of the step frame.

Example 4:

As shown in Figures 1-9, in this embodiment, the main supporting beam connector 2, the upper connecting member 4 of the tie rod, the lower connecting member 5 of the pulling rod, and the connecting member 7 of the horizontal supporting beam adopt the following specific forms:

The main support beam connector 2 includes a T-shaped connector 21 fixed on the facade of the concrete main body by chemical anchor bolts, and the end of the main support beam 1 is connected with the T-shaped connector 21 by bolts; The connecting piece 4 is a splicing box that can be sleeved on the cantilevered member. The splicing box is formed by connecting three short rods 41 sequentially through bolts and then connecting with the tie rod 3. The lower connecting piece 5 of the tie rod is welded on the main The connecting ear plate 51 on the support beam 1, the lower end of the pull rod 3 is connected to the connecting ear plate 51 through bolts; Connect to the connecting ear plate 51 by bolts.

The upper ends of the pull rods 3 are hung on the cantilevered components through spliced square frames, which is convenient for installation and later dismantling, and does not damage the cantilevered components.

Example 5:

As shown in FIGS. 1-9 , two adjacent horizontal support beams 6 are connected by several auxiliary support beams 14 , and the main support beams, horizontal support beams and auxiliary support beams cross each other to form a grid platform. In order to improve construction safety, a safety net is laid on the upper surface of the grid platform during actual operation.

Embodiment 6:

As shown in Figures 1-9, when the original concrete body cannot meet the load requirements for installing a suspended scaffold, the concrete body needs to be reinforced first, so this embodiment is provided on the concrete body close to the installation of the cantilever component The reinforcement structure includes a plurality of reinforcement beams 15 arranged on the top of the concrete body in broken lines, and the end of each reinforcement beam 15 is connected to the top of the concrete body through a reinforcement beam connector 16 .

The reinforcing beam connector 16 includes a reinforcing beam backing plate 161 fixed on the concrete main body by chemical anchor bolts, a reinforcing beam connecting plate 162 is welded on the reinforcing beam backing plate 161, and both ends of the reinforcing beam 16 are connected with The reinforcing beam connecting plates 162 are connected.

In each of the above embodiments, the main supporting beam, the horizontal supporting beam and the auxiliary supporting beam are I-beams, and the tie rods and reinforcement beams are channel steels.

The construction method of suspended scaffold described in embodiment 1 may further comprise the steps:

(1) Connect the tie rod 3 to the main support beam 1 through the lower connection piece 5 of the tie rod, and hoist each set of connected tie rods 3 and the main support beam 1 to the installation height; It is welded on the main support beam, and the tie rod 3 is fixed on the connecting ear plate of the main support beam with bolts. After hoisting each set of tie rods 3 and the main support beam 1 with the hoist fixed on the cantilevered member, the bolts are used to Fix the main support beam 1 to the main support beam connector 2 pre-buried on the concrete body, adjust the level of the main support beam 1, pre-fix the tie rod 3 on the cantilever member, adjust the verticality of the tie rod 3, and fix the upper end of the tie rod 3 ;

Modular pre-assembly of tie rod 3 and main support beam 1 on the ground can reduce the amount of high-altitude work;

(2) Connect the tie rod with the cantilever member through the tie rod upper connector 4, and connect the main support beam 1 with the concrete main body facade through the main support beam connector 2; the specific method is: the tie rod 3 is spliced into a short frame The rod 41 is connected with the suspension member, and the lower part is connected with the main support beam 1 through the connecting ear plate;

(3) The cross support beam 6 is connected with the main support beam 1 by the cross support beam connector 7;

(4) Auxiliary support beams 14 are installed between two adjacent transverse support beams 6;

(5) Lay a safety net on the grid platform formed by the intersecting main support beams, transverse support beams and auxiliary support beams;

(6) Build a step frame on the top of the grid platform, the specific method is:

During specific construction, the intersection of the step vertical bar 8, the step cross bar 9 and the step longitudinal bar 10 is connected by a 90° steel pipe fastener, the lower end of the step vertical bar 8 is inserted into the sleeve 121, and the sleeve is tightened The bolts on the top fix the step pole 8, and the bottom of the casing 121 is welded on the grid platform. The length of the sleeve is 150mm, the diameter is 60mm, and the spacing is 1400mm.

Connect with the grid platform through the step pole connecting piece 12 to obtain a step frame with four steps, each step has a height difference of 600mm and a width of 1200mm.

Lay 250x3000mm perforated steel pedals 13 on the step surface of the step frame. The pedals are bound with 3mm iron wires. The steel pipes are bound with iron wires.

(7) Install guardrails on the outside of the step frame. The horizontal railings of the guardrail are connected to the vertical railings through 90° steel pipe fasteners with a spacing of 1200mm, and are connected to the step frame.

When the original concrete body cannot meet the load requirements for installing the suspended scaffold, the concrete body needs to be reinforced first. Reinforcement is carried out according to the design drawings, and the construction is strictly carried out according to the drawings during reinforcement to ensure that the materials used meet the design requirements, the installation is correct, and the force direction is correct. The reinforcement scheme is as shown in the figure. Reinforce the concrete body before construction. The specific method is: install multiple reinforcement beam connectors on the facade of the concrete body where the cantilever components are installed and on the top of the concrete body, and each reinforcement beam connector is connected by a reinforcement beam. , and the reinforced beam connectors are arranged in a broken line structure.

After the construction is completed, when dismantling the suspended scaffolding of the utility model, because it is a high-rise construction project, it is removed at intervals. First remove the grid platform at the corner, and then remove the span at intervals, and use the hoist to transport the pedals , steel pipe and channel steel, and the remaining grid platform is lowered to the ground with 4 winches in one span, and the fasteners and small accessories are transported down from the construction elevator.

The utility model suspended scaffold uses the cantilevered member and the main support beam as the force-bearing structure, and a support beam is made under each support rod of the cantilever member, and one end of the support beam is fixed on the concrete main body, and is suspended by a tie rod. Fixed on the cantilevered components, the support beams are connected by cross support beams, and form a grid platform with the auxiliary support beams. Safety nets can be laid on the grid platform to ensure the stability and safety of the platform. With the characteristics of scaffolding, it has the characteristics of fast assembly and disassembly, large cantilever length, spacious working surface, stereotyped processing, and turnover use.

The above-mentioned specific implementation manners cannot be regarded as limitations on the protection scope of the present utility model. For those skilled in the art, any alternative improvements or transformations made to the embodiments of the present utility model fall within the protection scope of the present utility model.

The parts of the utility model that are not described in detail are the known techniques of those skilled in the art.

Claims (8)

1. a suspension type scaffold which is characterized in that: many main tributary supporting beams of being connected including one end and concrete main part facade, the main tributary supporting beam is located same horizontal plane, and the one end that the main tributary supporting beam is close to the concrete main part facade all links to each other with the concrete main part facade through a main tributary supporting beam connecting piece, and every main tributary supporting beam all links to each other with the component of encorbelmenting through a set of pull rod, and two adjacent main tributary supporting beams all are connected through the cross bracing roof beam of a plurality of perpendicular to main tributary supporting beams, and every cross bracing roof beam's both ends link to each other with the main tributary supporting beam through a cross bracing roof beam connecting piece respectively, main tributary supporting beam and cross bracing.

2. A suspended scaffold according to claim 1, wherein: the upper end of the pull rod is hung on the overhanging component through a pull rod upper connecting piece, and the lower end of the pull rod is connected with the main supporting beam through a pull rod lower connecting piece.

3. A suspended scaffold according to claim 1, wherein: the top of the grid platform is provided with a step frame, the step frame is formed by assembling step vertical rods, step transverse rods and step longitudinal rods, the cross parts of the step vertical rods, the step transverse rods and the step longitudinal rods are connected through fasteners, the lower ends of the step vertical rods are connected with the grid platform through step vertical rod connecting pieces, and pedals are paved on the step surfaces of the step frame.

4. A suspended scaffold according to claim 2, wherein: the main supporting beam connecting piece comprises a T-shaped connecting piece fixed on the vertical surface of the concrete main body through a chemical anchor bolt, and the end part of the main supporting beam is connected with the T-shaped connecting piece through a bolt; the upper connecting piece of the pull rod is a splicing square frame which can be sleeved on the overhanging component, the splicing square frame is formed by sequentially connecting three short rods through bolts and then connecting the three short rods with the pull rod, the lower connecting piece of the pull rod is a connecting lug plate welded on the main supporting beam, and the lower end of the pull rod is connected with the connecting lug plate through bolts; the transverse supporting beam connecting piece is a connecting lug plate welded on the main supporting beam, and two ends of the transverse supporting beam are connected with the connecting lug plate through bolts.

5. A suspended scaffold according to claim 3 wherein: the step vertical rod connecting piece comprises a sleeve welded at the top of the grid platform, the lower end of the step vertical rod is inserted into the sleeve, and a bolt penetrating into the sleeve through the head is tightly propped in the sleeve.

6. A suspended scaffold according to claim 1, wherein: two adjacent cross support beams are connected through a plurality of auxiliary support beams.

7. A suspended scaffold according to any one of claims 1 to 6, wherein: be equipped with reinforced structure in the concrete main part that is close to the component of encorbelmenting of installation, reinforced structure is including being many reinforcing beams that the broken line was arranged at concrete main part top, and the tip of every reinforcing beam all links to each other with the top of concrete main part through a reinforcing beam connecting piece.

8. a suspended scaffold according to claim 7 wherein: the reinforcing beam connecting piece comprises a reinforcing beam base plate fixed on the concrete main body through a chemical anchor bolt, a reinforcing beam connecting plate is welded on the reinforcing beam base plate, and two ends of the reinforcing beam are connected with the reinforcing beam connecting plate through bolts.