Prefabricated supporting beam structure below scissor ladder fireproof partition wall

Abstract

The utility model discloses a scissor ladder fire partition wall lower prefabricated bearing beam structure, relates to the scissor ladder production field, and comprises a prefabricated beam, a second embedded steel plate and a support assembly, the upper part of the prefabricated beam is provided with a firewall, the two sides of the prefabricated beam are provided with ladder beams, the end part of the prefabricated beam is provided with a first embedded steel plate, and the first embedded steel plate is provided with a second embedded steel plate. The second embedded steel plate is arranged on one side of the ladder beam, and a prefabricated ladder is arranged on one side of the ladder beam. According to the prefabricated supporting beam structure under the shear ladder fireproof partition wall, by arranging the reinforcing ribs, the first pre-embedded steel plate and the supporting assembly, in the process of machining the prefabricated supporting beam during shear ladder production, the self-weight is reduced, on-site hoisting, mounting and leveling are facilitated, the construction speed is high, connection between the structures is tighter, and the service life of the prefabricated supporting beam structure is prolonged. The overall structure is more stable and firmer, the situation that the subsequent shear ladder is accidentally broken during use is avoided, the performance of the shear ladder is improved, the structure is simple, and workers can conveniently operate and use the shear ladder.

Description

Technical Field

[0001] The utility model relates to the field of scissor ladder production, in particular to a prefabricated supporting beam structure under a fireproof partition wall of a scissor ladder. Background Art

[0002] With the full promotion of building industrialization, various prefabricated components are widely used in industrialized buildings. Prefabricated housing is the focus of building industrialization application due to its high degree of standardization and modularization. In the design of high-rise residential buildings, scissor ladders are two independent evacuation stairs, which are characterized by small public areas, increased traffic capacity, and convenience for people to change their direction of travel.

[0003] However, the current prefabricated supporting beam structure still has shortcomings. For example, the scissors ladder structure with application number 202221347014.7 has not yet fully considered the structural support structure of the prefabricated supporting beam structure. During the processing of the prefabricated supporting beams during the production of the shear ladder, if the prefabricated supporting beam structure is not fully considered in terms of the structural support structure, the overall structure may not be stable and reliable enough. The subsequent scissors ladder may break accidentally during use, which seriously affects the performance of the shear ladder and makes it inconvenient for staff to use the prefabricated supporting beam structure under the fire partition wall of the scissors ladder.

[0004] Therefore, it is urgent to improve this shortcoming. The utility model studies and improves the existing structure and shortcomings, and provides a prefabricated supporting beam structure under a scissor ladder fireproof partition wall. Utility Model Content

[0005] The utility model aims to provide a prefabricated supporting beam structure under a scissor ladder fireproof partition wall to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a prefabricated supporting beam structure under a scissors ladder fireproof partition wall, comprising a prefabricated beam, a second embedded steel plate and a support assembly, a fire wall is arranged above the prefabricated beam, ladder beams are arranged on both sides of the prefabricated beam, and a first embedded steel plate is arranged at the end of the prefabricated beam, the second embedded steel plate is arranged on one side of the ladder beam, and a prefabricated staircase is arranged on one side of the ladder beam, the support assembly is arranged at the upper center of the prefabricated beam, and the support assembly comprises a fixing plate, a connecting block, a mounting bolt, a limiter, a fixing ring, a blocking block, a support rod and a support block.

[0007] Furthermore, reinforcing ribs are arranged inside the precast beam, reinforcing stirrups are arranged inside the end of the precast beam, and embedded angle steels are fixedly connected to the inner corners of the end of the precast beam.

[0008] Furthermore, a polytetrafluoroethylene plate is provided at the connection between the prefabricated beam and the ladder beam, and a polystyrene plate is provided above the polytetrafluoroethylene plate.

[0009] Furthermore, the first embedded steel plate and the second embedded steel plate have the same horizontal height, and the first embedded steel plate and the second embedded steel plate are connected by a butt weld.

[0010] Furthermore, a support member is welded to the side of the prefabricated staircase, and an end of the support member extends into the interior of the firewall.

[0011] Furthermore, the support assembly is arranged at the inner bottom of the firewall, and connecting blocks are welded on both sides of the bottom of the fixing plate, and mounting bolts are arranged at the center of the connecting block, and the connecting block is fixedly connected to the prefabricated beam through the mounting bolts.

[0012] Furthermore, limiting pieces are welded to both side ends of the fixing plate, and one side of the limiting piece is rotatably connected to a fixing ring, and one side of the fixing ring is welded to a shielding block.

[0013] Furthermore, a support rod is welded at the center of the upper part of the fixing plate, and a support block is welded at the top end of the support rod, and the side of the support block penetrates the firewall, and the support block contacts the bottom of the prefabricated staircase.

[0014] The utility model provides a prefabricated supporting beam structure under a scissor ladder fireproof partition wall, which has the following beneficial effects:

[0015] 1. The utility model is provided with reinforcing ribs and a first embedded steel plate. The first embedded steel plate is arranged at the end of the prefabricated beam. After the staff hoists and levels the prefabricated beam and installs it above the ladder beam, the first embedded steel plate is connected to the second embedded steel plate arranged on one side of the ladder beam by butt welding, thereby completing the installation of the prefabricated beam. In addition, reinforcing ribs are arranged inside the prefabricated beam, and reinforcing stirrups are arranged on the inner side of the end of the prefabricated beam, and the inner corner of the end of the prefabricated beam is fixedly connected with the embedded angle steel. The improved device utilizes the reinforcing ribs and the first embedded steel plate to make the prefabricated supporting beam structure achieve the purpose of reducing its own weight. In the process of processing the prefabricated supporting beam during the production of the shear ladder, its own weight is reduced, it is convenient to lift and install and level it on site, the construction speed is fast, no on-site maintenance is required, the construction period is saved, the structure is simple, and it is convenient for the staff to operate and use.

[0016] 2. The utility model is provided with a support assembly, which is arranged at the upper center of the precast beam. After the staff hoists and levels the precast beam and installs it above the ladder beam, the fixing plate is placed at the upper center of the precast beam, and the connecting block is fixedly connected to the precast beam by using the mounting bolts. Then, the blocking block is flipped by using the limiter and the fixing ring to block the mounting bolts. Then, the staff hoists and levels the precast stairs and the supporting block contacts the bottom of the precast stairs to support the precast stairs. The improved device uses the support assembly to enable the precast supporting beam structure to achieve the purpose of structural support. In the process of processing the precast supporting beams during the production of the shear ladder, the connection between the structures is tighter, the overall structure is more stable and reliable, and the accidental breakage of the subsequent scissors ladder during use is avoided, the performance of the shear ladder is improved, and it is convenient for the staff to use the precast supporting beam structure under the fire partition wall of the scissors ladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front cross-sectional structural schematic diagram of a prefabricated supporting beam structure under a scissor ladder fireproof partition wall of the utility model;

[0018] Figure 2 The utility model is a prefabricated supporting beam structure under a scissor ladder fireproof partition wall. Figure 1 A schematic diagram of the structure enlargement in the middle;

[0019] Figure 3 It is a front cross-sectional structural schematic diagram of a prefabricated beam-first embedded steel plate of a prefabricated supporting beam structure under a scissor ladder fireproof partition wall of the utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of a prefabricated staircase-supporting member of a prefabricated supporting beam structure under a scissor ladder fireproof partition wall of the utility model;

[0021] Figure 5 The utility model is a front sectional structural schematic diagram of a support component of a prefabricated supporting beam structure under a scissors ladder fireproof partition wall.

[0022] In the figure: 1. prefabricated beam; 2. fire wall; 3. reinforcing ribs; 4. reinforcing stirrups; 5. embedded angle steel; 6. ladder beam; 7. polytetrafluoroethylene plate; 8. polystyrene plate; 9. first embedded steel plate; 10. second embedded steel plate; 11. prefabricated stairs; 12. support member; 13. support assembly; 1301. fixing plate; 1302. connecting block; 1303. mounting bolt; 1304. limiting member; 1305. fixing ring; 1306. shielding block; 1307. support rod; 1308. support block. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0024] like Figure 1-Figure 4 As shown, a prefabricated supporting beam structure under a scissor ladder fireproof partition wall includes a prefabricated beam 1, a second embedded steel plate 10 and a supporting assembly 13. A fire wall 2 is arranged above the prefabricated beam 1, a reinforcing rib 3 is arranged inside the prefabricated beam 1, and a reinforcing stirrup 4 is arranged inside the end of the prefabricated beam 1, and an embedded angle steel 5 is fixedly connected to the inner corner of the end of the prefabricated beam 1 to reduce its own weight and facilitate on-site lifting and installation and leveling, and ladder beams 6 are arranged on both sides of the prefabricated beam 1, a polytetrafluoroethylene plate 7 is arranged at the connection between the prefabricated beam 1 and the ladder beam 6, and a polystyrene plate 8 is arranged above the polytetrafluoroethylene plate 7, so that the connection between the structures It is tighter, and a first embedded steel plate 9 is provided at the end of the prefabricated beam 1, and a second embedded steel plate 10 is provided on one side of the ladder beam 6. The first embedded steel plate 9 and the second embedded steel plate 10 have the same horizontal height, and the first embedded steel plate 9 and the second embedded steel plate 10 are connected by butt welding, which is convenient for the staff to fix the prefabricated beam 1 and the ladder beam 6, and a prefabricated staircase 11 is provided on one side of the ladder beam 6, and a support member 12 is welded on the side of the prefabricated staircase 11, and the end of the support member 12 extends into the interior of the firewall 2, the overall structure is more stable and reliable, the structure is simple, and it is convenient for the staff to operate and use.

[0025] like Figure 1 and Figure 5 As shown, the support assembly 13 is arranged at the upper center of the prefabricated beam 1, and the support assembly 13 includes a fixing plate 1301, a connecting block 1302, a mounting bolt 1303, a stopper 1304, a fixing ring 1305, a blocking block 1306, a support rod 1307 and a support block 1308. The support assembly 13 is arranged at the inner bottom of the firewall 2, and the connecting blocks 1302 are welded on both sides of the bottom of the fixing plate 1301, and the center of the connecting block 1302 is provided with a mounting bolt 1303, and the connecting block 1302 is fixedly connected to the prefabricated beam 1 through the mounting bolt 1303, and both sides of the fixing plate 1301 are welded with the connecting blocks 1302. A limit piece 1304 is welded to the end, and one side of the limit piece 1304 is rotatably connected to a fixing ring 1305, and a blocking block 1306 is welded to one side of the fixing ring 1305, a support rod 1307 is welded to the upper center of the fixing plate 1301, and a support block 1308 is welded to the top of the support rod 1307, and the side of the support block 1308 passes through the fire wall 2, and the support block 1308 is in contact with the bottom of the prefabricated staircase 11, so as to avoid accidental breakage of the subsequent scissors ladder during use, improve the performance of the shear ladder, and facilitate the staff to use the prefabricated supporting beam structure under the fireproof partition wall of the scissors ladder.

[0026] In summary, the prefabricated supporting beam structure under the scissor ladder fire partition wall is based on Figure 1-Figure 5 In the structure shown in, during the processing of the prefabricated supporting beams during the production of the shear ladder, first, after the staff hoist and level the prefabricated beam 1 and install it above the ladder beam 6, the first embedded steel plate 9 is connected to the second embedded steel plate 10 set on one side of the ladder beam 6 by butt welding, thereby completing the installation of the prefabricated beam 1. In addition, the interior of the prefabricated beam 1 is provided with reinforcing ribs 3, and the inner side of the end of the prefabricated beam 1 is provided with reinforcing stirrups 4, and the inner corner of the end of the prefabricated beam 1 is fixedly connected with an embedded angle steel 5. In addition, after the staff hoist and level the prefabricated beam 1 and install it above the ladder beam 6, the center of the upper part of the prefabricated beam 1 is set The fixing plate 1301 in the supporting assembly 13 is placed at the upper center of the prefabricated beam 1, and the connecting block 1302 is fixedly connected to the prefabricated beam 1 by using the mounting bolts 1303. Then, the blocking block 1306 is flipped by using the limit piece 1304 and the fixing ring 1305 to block the mounting bolts 1303. Then, the staff hoist and level the prefabricated staircase 11, and the supporting block 1308 is in contact with the bottom of the prefabricated staircase 11 to support the prefabricated staircase 11, making the overall structure more stable and reliable, improving the performance of the shear ladder, and having a simple structure, which is convenient for the staff to operate and use.

[0027] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A prefabricated supporting beam structure under a scissor ladder fireproof partition wall, comprising a prefabricated beam (1), a second embedded steel plate (10) and a supporting assembly (13), characterized in that: A fire wall (2) is arranged above the precast beam (1), ladder beams (6) are arranged on both sides of the precast beam (1), and a first embedded steel plate (9) is arranged at the end of the precast beam (1), the second embedded steel plate (10) is arranged on one side of the ladder beam (6), and a precast staircase (11) is arranged on one side of the ladder beam (6), and the support assembly (13) is arranged at the center above the precast beam (1), and the support assembly (13) includes a fixing plate (1301), a connecting block (1302), a mounting bolt (1303), a stopper (1304), a fixing ring (1305), a blocking block (1306), a support rod (1307) and a support block (1308).

2. The prefabricated supporting beam structure under the fireproof partition wall of the scissor ladder according to claim 1 is characterized in that: The precast beam (1) is provided with reinforcing ribs (3) inside, and reinforcing stirrups (4) are provided inside the end of the precast beam (1), and embedded angle steels (5) are fixedly connected to the inner corners of the end of the precast beam (1).

3. The prefabricated supporting beam structure under the fireproof partition wall of the scissor ladder according to claim 1 is characterized in that: A polytetrafluoroethylene plate (7) is provided at the connection between the prefabricated beam (1) and the ladder beam (6), and a polystyrene plate (8) is provided above the polytetrafluoroethylene plate (7).

4. The prefabricated supporting beam structure under the fireproof partition wall of the scissor ladder according to claim 1 is characterized in that: The first embedded steel plate (9) and the second embedded steel plate (10) have the same horizontal height, and the first embedded steel plate (9) and the second embedded steel plate (10) are connected by a butt weld.

5. The prefabricated supporting beam structure under the fireproof partition wall of the scissor ladder according to claim 1 is characterized in that: A support member (12) is welded to the side of the prefabricated staircase (11), and the end of the support member (12) extends into the interior of the fire wall (2).

6. The prefabricated supporting beam structure under the fireproof partition wall of the scissor ladder according to claim 1 is characterized in that: The support assembly (13) is arranged at the inner bottom of the firewall (2), and connecting blocks (1302) are welded on both sides of the bottom of the fixing plate (1301), and a mounting bolt (1303) is arranged at the center of the connecting block (1302), and the connecting block (1302) is fixedly connected to the prefabricated beam (1) through the mounting bolt (1303).

7. The prefabricated supporting beam structure under the fireproof partition wall of the scissor ladder according to claim 1 is characterized in that: Limiting pieces (1304) are welded to both end portions of the fixing plate (1301), one side of the limiting piece (1304) is rotatably connected to a fixing ring (1305), and one side of the fixing ring (1305) is welded to a blocking block (1306).

8. The prefabricated supporting beam structure under the fireproof partition wall of the scissor ladder according to claim 1 is characterized in that: A support rod (1307) is welded to the center of the upper portion of the fixing plate (1301), and a support block (1308) is welded to the top end of the support rod (1307), and the side of the support block (1308) penetrates the firewall (2), and the support block (1308) contacts the bottom of the prefabricated staircase (11).

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