Large-span I-shaped steel beam concrete floor slab roof suspended ceiling structure

Abstract

The utility model relates to a large-span I-shaped steel beam concrete floor roof suspended ceiling structure which comprises I-shaped steel, a transfer frame, a suspender and a keel frame, the I-shaped steel beam is located below a floor, and a plurality of groups of ribbed stiffening plates are symmetrically arranged on the left side and the right side of the I-shaped steel at intervals in the length direction of the I-shaped steel. The transfer frames are arranged between the adjacent I-shaped steel, the transfer frames are fixedly connected with the ribbed plates through first fasteners, a plurality of lifting holes are formed in the transfer frames at intervals in the extending direction of the transfer frames, the tops of the lifting rods are fixed to the lifting holes of the transfer frames through second fasteners, and the keel frame is fixed to the bottoms of the lifting rods through third fasteners; according to the large-span I-shaped steel beam concrete floor roof suspended ceiling, the suspender is fixed to the transfer frame, the conventional method that the suspender is fixed to the bottom of a floor is replaced, the length of the suspender can be greatly reduced, reverse supporting reinforcement on the suspender is avoided on the basis that the stability of the suspended ceiling structure is guaranteed, and the operation efficiency of the large-span I-shaped steel beam concrete floor roof suspended ceiling is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of building construction especially relates to a large-span I-shaped steel beam concrete floor roof suspended ceiling structure. BACKGROUND

[0002] With the acceleration of urbanization process and the increase of public facilities demand, large-span building roof structure plays an increasingly important role in urban construction and development. The roof structure of I-shaped steel beam and concrete floor becomes the first choice of large-span roof because of its economic safety, simple structure and convenient construction, but because of large-span roof and high I-shaped steel beam, the traditional concrete floor under-hanging method leads to long suspender, more than 1.5m, which needs to set up counter support, and the construction is complex and affects the equipment pipeline arrangement. On-site welding from the bottom of the steel beam will lead to the deformation of the lower flange of the steel beam, affecting the structural safety of the steel beam, and the construction is inconvenient. SUMMARY

[0003] Therefore, the utility model aims at providing a large-span I-shaped steel beam concrete floor roof suspended ceiling structure which can reduce the length of suspender and avoid setting up counter support.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of a large-span I-shaped steel beam concrete floor roof suspended ceiling structure, which comprises I-shaped steel, adapter frame, suspender and keel frame, the left and right sides of the I-shaped steel are symmetrically provided with ribbed slab, and a plurality of groups of ribbed slab are arranged along the length direction of the I-shaped steel at intervals.

[0005] The adapter frame is arranged between adjacent I-shaped steel, the adapter frame is fixedly connected with the ribbed slab through the first fastener, and a plurality of hanging holes are arranged on the adapter frame at intervals along the extension direction of the adapter frame.

[0006] The top of the suspender is fixed at the hanging hole of the adapter frame through the second fastener, and the bottom of the suspender is fixed with the keel frame through the third fastener.

[0007] The above-mentioned technical scheme has the beneficial effects that for the construction of large-span I-shaped steel beam concrete floor roof suspended ceiling, the I-shaped steel beam is located below the floor, the adapter frame is arranged between adjacent I-shaped steel, and the suspender is directly hung on the adapter frame. Compared with the conventional method of hanging the suspender below the floor, the length of the suspender is reduced, the counter support is avoided, the ribbed slab of the I-shaped steel beam can be pre-welded on the ground before the steel beam is topped, the connection between the adapter frame and the ribbed slab is fixed through the first fastener, high-altitude welding operation is avoided, the construction difficulty is reduced, and the operation efficiency of the suspended ceiling construction is improved.

[0008] Further, the first fastener comprises a first bolt and a first nut, the bottom of the ribbed slab is provided with a connecting hole, the side of the end of the adapter frame is provided with an assembly hole, the first bolt passes through the assembly hole of the adapter frame and the connecting hole of the ribbed slab in sequence, and the first nut is threadedly connected with the first bolt.

[0009] Beneficial effects: the connection mode of the adapter frame and the ribbed slab is provided, so that the adapter frame can be more conveniently fixed on the I-beam.

[0010] Further, the second fastener comprises a second nut, the two ends of the suspender are provided with threads, the second nut is matched with the threads of the two ends of the suspender, and the top of the suspender is threadedly connected with the second nut through the lifting hole of the adapter frame.

[0011] Beneficial effects: the connection mode of the suspender and the adapter frame is provided, so that the suspender can be more conveniently hung on the adapter frame.

[0012] Further, the third fastener comprises an angle code, the top of the angle code is provided with a through hole, and the bottom of the suspender is threadedly connected with the second nut through the through hole at the top of the angle code.

[0013] Beneficial effects: the connection mode of the suspender and the keel frame is provided.

[0014] Further, the keel frame comprises a main keel and an auxiliary keel, the main keel is fixed at the bottom of the angle code, the third fastener further comprises a third bolt and a third nut, the angle code is provided with a limiting hole penetrating above the main keel, and the third bolt is threadedly connected with the third nut through the limiting hole.

[0015] Beneficial effects: the mounting mode of the main keel is provided, so that the main keel can be stably connected below the suspender.

[0016] Further, the main keel and the auxiliary keel are fixedly connected through a fourth fastener.

[0017] Beneficial effects: the connection mode of the main keel and the auxiliary keel is provided.

[0018] Further, the fourth fastener comprises a fourth bolt and a fourth nut, the bottom of the main keel is provided with a through hole, the top of the auxiliary keel is provided with a corresponding through hole, the fourth bolt passes through the through hole of the main keel and the through hole of the auxiliary keel in sequence, and the fourth nut is threadedly connected with the fourth bolt.

[0019] Beneficial effects: the auxiliary keel can be more conveniently connected with the main keel.

[0020] Further, the adapter frame is an angle steel, a plurality of lifting holes are formed in one side of the angle steel along the extension direction of the angle steel, and a through assembly hole is formed in the other side of the angle steel.

[0021] Beneficial effect: angle steel material and convenient processing and manufacturing. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is the structural schematic diagram of the utility model;

[0023] Figure 2 is the front view of the utility model;

[0024] Figure 3 is Figure 2 side view of the sectional view;

[0025] In the drawing: 1-I-beam, 2-adapter frame, 3-hanger, 4-ribbed slab, 5-angle code, 6-main keel, 7-sub keel, 10-floor, 11-first bolt, 12-first nut, 22-second nut, 31-third bolt, 32-third nut, 41-fourth bolt, 42-fourth nut, 201-hanging hole, 401-connection hole. DETAILED DESCRIPTION

[0026] The utility model discloses a large-span I-beam concrete floor roof suspended ceiling structure which is further described in detail below in combination with the drawings and specific embodiments.

[0027] As Figures 1-3 shown, the utility model relates to a large-span I-beam concrete floor roof suspended ceiling structure, which comprises an I-beam 1, an adapter frame 2, a hanger 3 and a keel frame, the I-beam is located below a floor 10, ribbed slabs 4 are symmetrically arranged on the left and right sides of the I-beam 1, the ribbed slabs 4 are arranged in several groups at intervals along the length direction of the I-beam 1, the adapter frame 2 is arranged between adjacent I-beams 1, the adapter frame 2 is fixedly connected with the ribbed slabs 4 through first fasteners, a plurality of hanging holes 201 are arranged at intervals along the extension direction of the adapter frame 2 on the adapter frame 2, the top of the hanger 3 is fixed at the hanging hole 201 of the adapter frame 2 through second fasteners, and the bottom of the hanger 3 is fixed with the keel frame through third fasteners. By fixing the hanger 3 on the adapter frame 2 instead of fixing the hanger 3 at the bottom of the floor 10 in the conventional way, the length of the hanger 3 can be greatly reduced, further counter-bracing and reinforcement of the hanger 3 are avoided on the basis of ensuring the stability of the suspended ceiling structure, and the work efficiency of the large-span I-beam concrete floor roof suspended ceiling is improved.

[0028] In the embodiment, the first fastener comprises a first bolt 11 and a first nut 12, threaded connection, the bottom of the ribbed slab 4 is provided with a connecting hole 401, the side of the end of the adapter frame 2 is provided with an assembly hole, the first bolt 11 passes through the assembly hole of the adapter frame 2 and the connecting hole 401 of the ribbed slab 4 in sequence, and the first nut 12 is threadedly connected with the first bolt 11, so that the adapter frame 2 is fixed between the adjacent I-beams 1, and the second fastener comprises a second nut 22, the two ends of the hanger 3 are provided with threads, the second nut 22 is adapted to the threads of the two ends of the hanger 3, and the top of the hanger 3 passes through the hanger hole 201 of the adapter frame 2 and is threadedly connected with the second nut 22.

[0029] Specifically, the adapter frame 2 is an angle steel, which is easy to obtain and process, a plurality of hanger holes 201 are formed in one side of the angle steel along the extension direction of the angle steel, the hanger holes 201 in the embodiment are oval flat holes, which are convenient for the top of the suspended ceiling to pass through the hanger holes 201 and can slightly adjust the distance between the hangers 3, so that the stress of the keel frame is more uniform after being hung, and the other side of the angle steel is provided with a through assembly hole at the end, which is used for being bolted with the through hole of the ribbed slab 4.

[0030] In the embodiment, the third fastener comprises an angle code 5, the keel frame comprises a main keel 6 and a sub keel 7, the main keel 6 is fixed by the angle code 5, the top of the angle code 5 is provided with a through hole, the bottom of the hanger 3 passes through the through hole of the top of the angle code 5 and is threadedly connected with the second nut 22, so that the angle code 5 is fixed at the bottom of the hanger 3, the main keel 6 is fixed at the bottom of the angle code 5, the bottom of the angle code 5 is provided with a placing groove adapted to the main keel 6, and the third fastener further comprises a third bolt 31 and a third nut 32, which are threadedly connected, when the main keel 6 is placed in the placing groove at the bottom of the angle code 5, the angle code 5 is provided with a through limiting hole above the main keel 6, the third bolt 31 passes through the limiting hole and is threadedly connected with the third nut 32, so that the main keel 6 is limited at the bottom of the angle code 5 and remains fixed.

[0031] In the embodiment, the main keel 6 and the sub keel 7 are fixedly connected by the fourth fastener, the fourth fastener comprises a fourth bolt 41 and a fourth nut 42, which are threadedly connected, the bottom of the main keel 6 is provided with a through hole, the top of the sub keel 7 is provided with a through hole corresponding to the through hole of the main keel 6, the fourth bolt 41 passes through the through hole of the main keel 6 and the through hole of the sub keel 7 in sequence, and the fourth nut 42 is threadedly connected with the fourth bolt 41, so that the sub keel 7 is quickly connected with the main keel 6 to form the keel frame, thereby improving the construction efficiency of the suspended ceiling operation.

[0032] The utility model discloses a large -span I -beam concrete floor roof suspended ceiling structure has following advantages: first, compared with the conventional practice of suspending the suspender 3 below the floor 10, suspending the suspender 3 on the adapter frame 2 can obviously reduce the length of the suspender 3, avoids the reverse support to the suspender 3, thereby make suspended ceiling operation more quick and efficient, second, during the whole suspended ceiling operation, the welding and punching of the ribbed -webbed slab 4 can be processed in advance on the ground, and the fixing of the suspender 3 and the furring frame can be quickly connected through the fastener, thereby not needing to carry out welding and punching operation in the high altitude, and the construction difficulty is reduced, third, the adapter frame 2 can make the use number of the suspender 3 satisfy the construction demand of large -span suspended ceiling operation, and will not be limited to the bottom of the I -beam, guarantees the stability of the suspended ceiling, and the I -beam can enhance the rigid strength under the reinforcement of the ribbed -webbed slab 4, and the bearing capacity of the whole steel beam is improved.

[0033] The utility model discloses a large -span I -beam concrete floor roof suspended ceiling structure has following advantages: first, compared with the conventional practice of suspending the suspender 3 below the floor 10, suspending the suspender 3 on the adapter frame 2 can obviously reduce the length of the suspender 3, avoids the reverse support to the suspender 3, thereby make suspended ceiling operation more quick and efficient, second, during the whole suspended ceiling operation, the welding and punching of the ribbed -webbed slab 4 can be processed in advance on the ground, and the fixing of the suspender 3 and the furring frame can be quickly connected through the fastener, thereby not needing to carry out welding and punching operation in the high altitude, and the construction difficulty is reduced, third, the adapter frame 2 can make the use number of the suspender 3 satisfy the construction demand of large -span suspended ceiling operation, and will not be limited to the bottom of the I -beam, guarantees the stability of the suspended ceiling, and the I -beam can enhance the rigid strength under the reinforcement of the ribbed -webbed slab 4, and the bearing capacity of the whole steel beam is improved.

[0034] The above is only the preferable embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that are made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A large-span I-beam concrete floor roof suspended ceiling structure, characterized in that, I-beam (1), adapter frame (2), boom (3) and keel frame, the left and right sides of the I-beam (1) are symmetrically provided with ribbed slab (4), the ribbed slab (4) is arranged in several groups along the length direction of the I-beam (1); The adapter frame (2) is arranged between adjacent I-beams (1), and the adapter frame (2) is fixedly connected with the ribbed slab (4) through the first fastener, and a plurality of lifting holes (201) are arranged on the adapter frame (2) along the extension direction of the adapter frame (2). The top of the boom (3) is fixed at the lifting hole (201) of the adapter frame (2) through the second fastener, and the bottom of the boom (3) is fixed with the keel frame through the third fastener.

2. The large-span I-beam concrete floor roof suspended ceiling structure according to claim 1, characterized in that, The first fastener includes a first bolt (11) and a first nut (12) matched with the screw, the bottom of the ribbed slab (4) is provided with a connecting hole (401), the side surface of the end of the adapter frame (2) is provided with an assembly hole, the first bolt (11) passes through the assembly hole of the adapter frame (2) and the connecting hole (401) of the ribbed slab (4) in sequence, and the first nut (12) is threadedly connected with the first bolt (11).

3. A large-span I-beam concrete floor roof suspended ceiling structure according to claim 1 or 2, characterized in that, The second fastener includes a second nut (22), the two ends of the boom (3) are provided with threads, the second nut (22) is matched with the threads at the two ends of the boom (3), and the top of the boom (3) is threadedly connected with the second nut (22) through the lifting hole (201) of the adapter frame (2).

4. The large-span I-beam concrete floor roof suspended ceiling structure according to claim 1 or 2, characterized in that, The third fastener includes an angle code (5), the top of the angle code (5) is provided with a through hole, and the bottom of the boom (3) is threadedly connected with the second nut (22) through the through hole at the top of the angle code (5).

5. The large-span I-beam concrete floor roof suspended ceiling structure according to claim 4, characterized in that, The keel frame includes a main keel (6) and a sub-keel (7), the main keel (6) is fixed at the bottom of the angle code (5), the third fastener further includes a third bolt (31) and a third nut (32) matched with the screw, the angle code (5) is provided with a through limiting hole above the main keel (6), and the third bolt (31) is threadedly connected with the third nut (32) through the limiting hole.

6. The large-span I-beam concrete floor roof suspended ceiling structure according to claim 5, characterized in that, The main keel (6) and the sub-keel (7) are fixedly connected through the fourth fastener.

7. The large-span I-beam concrete floor roof suspended ceiling structure according to claim 6, characterized in that, The fourth fastener includes a fourth bolt (41) and a fourth nut (42) matched with the screw, the bottom of the main keel (6) is provided with a through hole, the top of the sub-keel (7) is provided with a through hole, the fourth bolt (41) passes through the through hole of the main keel (6) and the through hole of the sub-keel (7) in sequence, and the fourth nut (42) is threadedly connected with the fourth bolt (41).

8. The large-span I-beam concrete floor roof suspended ceiling structure according to claim 1 or 2, characterized in that, The adapter frame (2) is an angle steel, a plurality of lifting holes (201) are arranged on one side surface of the angle steel along the extension direction of the angle steel, and a through assembly hole is arranged at the end of the other side surface of the angle steel.

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