CN108756196A - A kind of assembled architecture main body protective device and its construction method - Google Patents

Abstract

The invention discloses a prefabricated building body protection device and a construction method thereof. The protection device includes a diagonal brace device, an operating platform and a facade protection. The facade protection is vertically arranged on the operation platform, and the operation platform is fixedly arranged on the diagonal brace. On the device, the diagonal bracing device is fixedly arranged on the prefabricated wallboard, and the prefabricated wallboard is reserved with bolt holes during production and processing. The prefabricated building protection device in the present invention provides a safe operation platform for the construction of the prefabricated building exterior wall, solves the problem of difficult installation of prefabricated building scaffolding, and reduces the risk of safety accidents for workers during the construction of the prefabricated building exterior wall; at the same time The protective device is standardized, fast in disassembly and assembly, high in turnover rate, convenient in construction, high in safety and stability, meets the requirements of environmental protection, energy saving and green construction, has broad prospects for promotion and application, and has significant economic and social benefits.

Description

A prefabricated building main protective device and its construction method

technical field

The invention belongs to the technical construction field of prefabricated building engineering, and in particular relates to a protective device for a main body of a prefabricated building and a construction method thereof.

Background technique

The prefabricated building is a building assembled by transporting the prefabricated building components produced in batches to the construction site. According to the form and construction method of the prefabricated components, it is divided into brick building, plate building, box building, plate skeleton building and upgrade The prefabricated building components are mechanized through the assembly line, so the production speed is faster and the production cost is lower. Compared with the traditional building, the prefabricated building is more energy-saving and environmentally friendly. At the same time, the prefabricated building has a fast construction speed. , Short construction period, a lot of labor saving, all provinces and cities have certain requirements for the coverage of prefabricated buildings, these have promoted the development of prefabricated buildings, making prefabricated buildings gradually become the trend of construction development.

The outer walls of prefabricated buildings are mostly prefabricated wall panels. During the assembly process, in order to avoid affecting the structural safety of the prefabricated wall panels, it is not allowed to re-open holes on the outer walls of the prefabricated wall panels during construction, which also leads to external scaffolding. It cannot be erected, and workers can only work on the outer wall without an operating platform, which is prone to safety accidents, resulting in personal and property losses. In order to solve this problem, a protective device that is easy to assemble and disassemble, stable and safe is provided. The present invention provides the following technical solutions.

Contents of the invention

The object of the present invention is to provide a prefabricated building body protection device and a construction method thereof.

The purpose of the present invention can be achieved through the following technical solutions:

A prefabricated building body protection device and its construction method, the protection device includes a diagonal brace device, an operating platform and a facade protection, the facade protection is vertically arranged on the operation platform, and the operation platform is fixedly arranged on the diagonal brace device, The diagonal bracing device is fixed on the prefabricated wallboard, and the prefabricated wallboard has bolt holes reserved during production and processing;

The diagonal bracing device includes a main beam, a vertical beam and an oblique beam. The left and right ends of the main beam are respectively connected to one end of the vertical beam and one end of the oblique beam. The main beam and the vertical beam are vertically welded and connected. One end is welded to the other end of the vertical beam, and the vertical beam is provided with a bolt hole, and the vertical beam is fixed on the prefabricated wallboard by fixing bolts;

The operating platform includes a main beam frame composed of main girders perpendicular to each other. Several secondary beams are arranged between two parallel main beams. It is fixedly connected with the platform plate by spot welding;

The facade protection includes several protective main beams arranged in parallel and several protective beams perpendicular to the protective main beams. The protective beams are arranged at equal intervals. The surface protection is set vertically to the operating platform, and the protective girder is vertically welded to the main girder.

As a further solution of the present invention, 2 to 3 groups of diagonal bracing devices are correspondingly provided at the bottom of each operation platform.

As a further solution of the present invention, the inclination angle between the inclined beam and the vertical beam is 45° to 60°, and a secondary beam is arranged between the inclined beam and the vertical beam, and the two ends of the secondary beam are connected with the inclined beam and the vertical beam respectively. Vertical girder welded connection.

As a further solution of the present invention, the main beam and the main beam of the diagonal bracing device are provided with bolt holes, the main beam and the main beam are fixedly connected by connecting bolts, and gaskets are added inside the nuts.

As a further solution of the present invention, the platform plate is an embossed steel plate.

As a further solution of the present invention, the construction method of the protective device comprises the following steps:

S1: The main beam and the secondary beam are fixedly connected by welding to form the operating platform frame, and the platform plate is laid and fixed on the operating platform frame by spot welding to form the operating platform;

S2: Vertically weld the protective main beam of the facade protection to the main beam of the operation platform, and embed the protective beam between the protective main beams, and fix it firmly by welding to form the facade protection;

S3: The main beam, vertical beam and inclined beam are fixedly connected by welding, and the secondary beam is welded between the vertical beam and the inclined beam, and bolt holes are drilled at both ends of the main beam to form a diagonal bracing device;

S4: Fix the assembled diagonal bracing device on the prefabricated wallboard through fixing bolts, add gaskets on the inside and outside of the fixing bolts, and reinforce them firmly;

S5: Installation: Slowly lift the operation platform with facade protection above the diagonal bracing device, the main beam of the operating platform and the main beam of the diagonal bracing device are fixedly connected by connecting bolts, and gaskets are added inside the nuts, and Reinforced firmly;

S6: After the construction of each process of the construction layer is completed, the main protective device of the prefabricated building is removed and transferred to the next floor for installation and use;

S7: Dismantling: first remove the connecting bolts, and slowly lift the operation platform with facade protection to the designated material transfer site, then remove the fixing bolts, and transfer the diagonal bracing device to the designated material transfer site;

S8: Turnover: After the next layer of prefabricated wall panels is installed and poured, install the main protective device of the prefabricated building;

S9: Recovery: use the tower crane to lift the protective device to the transfer site for standby.

Beneficial effects of the present invention:

1. The prefabricated building protection device in the present invention provides a safe operation platform for the construction of the prefabricated building exterior wall, solves the problem of difficult installation of prefabricated building scaffolding, and reduces the risk of safety accidents for workers during the construction of prefabricated building exterior walls ;

2. The prefabricated building protective device in the present invention provides a standardization, fast disassembly and assembly, high turnover utilization rate, convenient construction, high safety and stability performance, meets the requirements of environmental protection, energy saving and green construction, has broad prospects for promotion and application, and has significant economic benefits. and social benefits;

3. The prefabricated building protective device in the present invention is safe and reliable, easy to install and disassemble, flexible in structure, improves construction efficiency and reduces construction cost.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings.

Fig. 1 is a cross-sectional view of a prefabricated building protective device of the present invention;

Fig. 2 is the elevation view of the prefabricated building protective device of the present invention;

Fig. 3 is a plan view of the prefabricated building protective device of the present invention;

Fig. 4 is a schematic diagram of a partial structure of the present invention.

Detailed ways

The following clearly and completely describes the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

A prefabricated building body protection device, as shown in Figure 1 and Figure 2, includes a diagonal brace device, an operating platform and a facade protection, the facade protection is vertically arranged on the operation platform, and the operation platform is fixedly arranged on the diagonal brace device Above, the bottom of each operating platform is provided with 2 to 3 groups of diagonal bracing devices. The diagonal bracing devices are fixed on the prefabricated wallboard 14 by bolts. The prefabricated wallboard 14 has bolt holes reserved during production and processing.

Described brace device comprises main crossbeam 7, vertical beam 8 and inclined beam 9, and the left and right ends of main crossbeam 7 connects one end of vertical beam 8 and one end of inclined beam 9 respectively, and described main crossbeam 7 and vertical beam 8 are welded vertically connection, the other end of the inclined beam 9 is welded to the other end of the vertical beam 8, the inclination angle between the inclined beam 9 and the vertical beam 8 is 45° to 60°, and the angle between the inclined beam 9 and the vertical beam 8 The secondary crossbeam 10 is set, and the two ends of the secondary crossbeam 10 are respectively connected with the inclined beam 9 and the vertical beam 8 by welding, which can effectively strengthen the structural strength and stability of the diagonal brace device. Bolt holes are provided on the vertical beam 8, and the vertical The beam 8 is fixed on the prefabricated wall panel 14 by fixing bolts 11;

As shown in Figure 3, the operating platform includes a main beam frame composed of main beams 1 perpendicular to each other, several secondary beams 2 are arranged between two parallel main beams 1, and the main beams 1 and secondary beams 2 are assembled to form an operating platform frame. The platform board 3 is laid on the operating platform frame, and the operating platform frame is fixedly connected with the platform board 3 by spot welding. In one embodiment of the present invention, the platform board 3 is an embossed steel plate, as shown in Figure 4, the main Both the beam 1 and the main beam 7 of the diagonal brace device are provided with bolt holes, the main beam 1 and the main beam 7 are fixedly connected by connecting bolts 16, and the inside of the nut 17 is provided with a gasket 18, between the diagonal brace device and the operating platform The parts are connected by bolts, so that the parts of the protective device can be disassembled for transportation, and the structure of the protective device is more flexible and reliable;

Described façade protection comprises some protective main beams 4 that are arranged in parallel and some protective beams 5 that are vertically arranged with protective main beams 4, and protective beams 5 are equidistantly arranged, and one side of described protective main beams 4 and protective beams 5 is provided with Grid iron net 6, the facade protection and the operation platform are arranged vertically, wherein the protective girder 4 and the girder 1 are vertically welded and connected.

A construction method of a prefabricated building body protection device comprises the following steps:

S1: The main beam 1 and the secondary beam 2 are fixedly connected by welding to form the operating platform frame, and the platform plate 3 is laid and fixed on the operating platform frame by spot welding to form an operating platform;

S2: Vertically weld the protective main beam 4 of the facade protection on the main beam 1 of the operation platform, and embed the protective beam 5 between the protective main beams 4, and fix and firmly form the facade protection by welding;

S3: The main beam 7, the vertical beam 8 and the inclined beam 9 are fixedly connected by welding, and the secondary beam 10 is welded between the vertical beam 8 and the inclined beam 9, and bolt holes are drilled at both ends of the main beam 7 to form an inclined beam. support device;

S4: Fix the assembled diagonal bracing device on the prefabricated wall panel 14 through the fixing bolt 11, add gaskets on the inner and outer sides of the fixing bolt 11, and reinforce it firmly;

S5: Installation: Slowly lift the operation platform with facade protection above the diagonal bracing device, the main beam 1 of the operating platform and the main beam 7 of the diagonal bracing device are fixedly connected by connecting bolts 16, and the inner side of the nut 17 is installed Gasket 18, and reinforced firmly;

S6: After the construction of each process of the construction layer is completed, the main protective device of the prefabricated building is removed and transferred to the next floor for installation and use;

S7: Dismantling: first remove the connecting bolts 16, and slowly lift the operation platform with facade protection to the designated material transfer site, then remove the fixing bolts 11, and transfer the diagonal bracing device to the designated material transfer site;

S8: Turnover: After the next layer of prefabricated wall panels is installed and poured, install the main protective device of the prefabricated building;

S9: Recycling: use the tower crane to lift the protective frame to the transfer site for standby;

The protection device described in the embodiment of the present invention can be designed in a single piece according to the shape of the building during processing and production, but at least two sets of diagonal braces are designed for the single protection device, and the protection device can Multi-floor continuous setting, installation and use.

The above content is only an example and description of the structure of the present invention. Those skilled in the art make various modifications or supplements to the described specific embodiments or replace them in similar ways, as long as they do not deviate from the structure of the invention or Anything beyond the scope defined in the claims shall belong to the protection scope of the present invention.

Claims (6)

1. a kind of assembled architecture main body protective device and its construction method, which is characterized in that the protective device includes diagonal brace dress It sets, the protection of operating platform and facade, the facade protection is vertically arranged on the operational platform, and operating platform is fixed at diagonal brace On device, for bracing device by being fixed on prefabricated panel (14), the prefabricated panel (14) is reserved in production and processing There is bolt hole；

The bracing device includes main beam (7), vertical beam (8) and cant beam (9), and the left and right ends of main beam (7) are separately connected perpendicular One end of one end and cant beam (9) of beam (8), the main beam (7) connect with vertical beam (8) vertical welding, the cant beam (9) it is another The other end of one end and vertical beam (8) is welded to connect, and bolt hole is provided on the vertical beam (8), and vertical beam (8) passes through fixing bolt (11) It is fixed on prefabricated panel (14)；

The operating platform includes the girder frame for being mutually perpendicular to form by girder (1), is provided between two parallel spines (1) several Secondary beam (2), girder (1) are assembled to form operating platform frame with secondary beam (2), landing slab (3), operation are laid on operating platform frame Platform framework is fixedly connected with landing slab (3) by way of spot welding；

Facade protection include several protection girders (4) disposed in parallel and with protect girder (4) vertically disposed several Crossbeam (5) is protected, crossbeam (5) spaced set, the side side of being provided with of the protection girder (4) and protection crossbeam (5) are protected Lattice iron net (6), facade protection is vertically arranged with operating platform, wherein protection girder (4) is connect with girder (1) vertical welding.

2. a kind of assembled architecture main body protective device according to claim 1 and its construction method, which is characterized in that every The bottom of one operating platform is correspondingly arranged on 2~3 groups of bracing device.

3. a kind of assembled architecture main body protective device according to claim 1 and its construction method, which is characterized in that institute The inclination angle stated between cant beam (9) and the vertical beam (8) is 45 °~60 °, and time crossbeam is arranged between cant beam (9) and vertical beam (8) (10), the both ends of secondary crossbeam (10) are welded to connect with and with cant beam (9) and vertical beam (8) respectively.

4. a kind of assembled architecture main body protective device according to claim 1 and its construction method, which is characterized in that institute It states girder (1) and offers bolt hole with bracing device main beam (7), girder (1) is with main beam (7) by connecting bolt (16) It is fixedly connected, gasket (18) is equipped on the inside of nut (17).

5. a kind of assembled architecture main body protective device according to claim 1 and its construction method, which is characterized in that institute It is embossed steel plates to state landing slab (3).

6. a kind of assembled architecture main body protective device according to claim 1 and its construction method, which is characterized in that should The construction method of protective device includes the following steps：

S1：Girder (1) is fixedly connected with secondary beam (2) by the way of welding, formation operation platform framework, operating platform frame On be laid with by the way of spot welding and be fixed with landing slab (3) formation operation platform；

S2：By facade protect protection girder (4) be vertically welded on the girder (1) of operating platform, and protection girder (4) it Between embedded protection crossbeam (5), and securely form facade using being fixed by the way of welding and protect；

S3：Main beam (7), vertical beam (8) are fixedly connected with cant beam (9) by the way of welding, and in vertical beam (8) and cant beam (9) time crossbeam (10) is welded between, is set bolt hole at main beam (7) both ends, is formed bracing device；

S4：Assembled bracing device is fixed on by fixing bolt (11) on prefabricated panel (14), in fixing bolt (11) Outside adds gasket, and reinforces secured；

S5：Installation：The operating platform protected with facade is slowly hoisted to above bracing device, the girder (1) of operating platform It is fixedly connected with the main beam (7) of bracing device by connecting bolt (16), adds gasket (18) on the inside of nut (17), and reinforce Securely；

S6：After the completion of each process construction of construction layer, assembled architecture main body protective device is removed, goes to next floor installation week It uses；

S7：It removes：Connection bolt (16) is removed first, and will slowly be hoisted to specified material with the operating platform that facade protects Secondly transfer place removes fixing bolt (11), bracing device is also transported to specified material transfer place；

S8：Turnover：After the completion of waiting for that next layer of prefabricated panel is installed and poured, assembled architecture main body protective device is pacified Dress；

S9：Recycling：It is spare that protective device is hoisted to transfer place using tower crane.