Reinforced concrete high-altitude flower stand beam supporting structure

Abstract

The utility model relates to a reinforced concrete high-altitude flower stand beam supporting structure which comprises an I-shaped steel supporting frame and a formwork supporting frame, the I-shaped steel supporting frame comprises a plurality of lower-layer I-shaped steel arranged at intervals and a plurality of upper-layer I-shaped steel arranged at intervals, and the upper-layer I-shaped steel is fixed above the lower-layer I-shaped steel and perpendicularly intersects with the lower-layer I-shaped steel. The two ends of the lower-layer I-shaped steel are anchored in the elevator shaft wall, a formwork supporting frame is erected on the upper-layer I-shaped steel, and the upper end of the formwork supporting frame supports the high-altitude flower stand beam. The beam load of the upper high-altitude flower stand can be transmitted to the elevator shaft wall through the I-shaped steel supporting frame, the supporting structure is prevented from twisting and deforming, and construction safety is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of construction engineering, and specifically relates to a reinforced concrete high-altitude flower rack beam supporting structure. Background Art

[0002] The lower part of the high-altitude flower rack beam on the roof of a high-rise building is high in the air, and the formwork support system has few points of support, which makes construction inconvenient. The traditional cantilever I-beam method has high material requirements, can withstand less upper load, and is greatly affected by the cantilever length. Most of the work during the construction process is done at high altitude, which poses a great safety hazard. Therefore, changing the support method of the cantilever structure to a simply supported structure can effectively solve the existing problems, and the load that the simply supported structure can withstand is much greater than that of the cantilever structure, and the deflection deformation of the simply supported structure under the same load is also much smaller than that of the cantilever structure. Utility Model Content

[0003] In view of the above problems, the purpose of the utility model is to provide a reinforced concrete high-altitude flower rack beam support structure, which forms a simply supported structure by anchoring an I-beam support frame at the bottom of the elevator shaft wall, and a formwork support frame is set up on the upper part of the I-beam support frame. The load of the upper high-altitude flower rack beam can be transferred to the elevator shaft wall through the I-beam support frame to prevent the support structure from twisting and deformation, thereby ensuring construction safety.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A reinforced concrete high-altitude flower rack beam support structure includes a high-altitude flower rack beam, an I-beam support frame and a formwork support frame. The I-beam support frame includes a plurality of lower I-beams arranged at intervals and a plurality of upper I-beams arranged at intervals. The upper I-beams are arranged above the lower I-beams and vertically cross the lower I-beams. Both ends of the lower I-beams are anchored in the elevator shaft wall. The formwork support frame is erected on the upper I-beams. The upper end of the formwork support frame supports the high-altitude flower rack beam.

[0006] Furthermore, a U-shaped ring is nested at the intersection of the lower I-beam and the upper I-beam, a pressure plate is provided at the upper end of the upper I-beam, the open end of the U-shaped ring is connected to the pressure plate, and the lower end surface of the pressure plate is against the upper end surface of the upper I-beam.

[0007] Furthermore, a frame plate is laid on the upper I-beam.

[0008] Furthermore, a hole is reserved at the lower end of the elevator shaft wall, and the end of the upper I-beam passes through the hole and is anchored on the elevator room floor outside the elevator shaft wall.

[0009] Furthermore, the end of the upper I-beam is fastened to the elevator room floor by U-bolts.

[0010] Furthermore, the pressure plate is extended from the open end of the U-shaped collar, and a nut is sleeved on the open end of the U-shaped collar, and the nut resists the pressure plate.

[0011] Furthermore, an exposed steel mesh is laid on the floor of the elevator room, and the U-shaped bolts are pre-embedded in the floor of the elevator room and welded to the exposed steel mesh.

[0012] Furthermore, reinforcing steel bars are welded to the U-bolts, and the reinforcing steel bars are welded to the exposed steel mesh.

[0013] Further, the nut includes at least two layers.

[0014] Furthermore, the formwork support frame includes support uprights, support cross bars, support formwork and shear struts. The support uprights are arranged at intervals on each of the upper I-beams, and at least the support cross bars are arranged at intervals on the laterally adjacent support uprights. The lower ends of the support uprights are supported on the upper I-beams, and the support formwork is arranged on the upper ends of the support uprights. The high-altitude flower rack beams are supported on the support formwork.

[0015] The utility model adopts the above technical solution, which has the following advantages and effects:

[0016] The utility model provides a reinforced concrete high-altitude flower rack beam support structure, in which an I-beam support frame is composed of double-layer I-beams, and a formwork support frame is set up on the upper I-beam, which can transfer the beam load of the upper high-altitude flower rack to the I-beam support frame. The lower I-beam of the I-beam support frame serves as the main bearing structure, and the load can be transferred to the elevator shaft walls on both sides and the anchor end, so as to prevent the support structure from overturning due to concentrated loads; at the same time, when the upper high-altitude flower rack beam is constructed, because the two ends of the lower I-beam are against the elevator shaft walls at both ends, the stability of the support structure is increased, and the displacement of the support structure during strong winds and concrete pouring is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of the support structure provided by the utility model.

[0018] Figure 2 It is an enlarged schematic diagram of the upper I-beam and lower I-beam erection structure of the utility model.

[0019] Figure 3 It is an enlarged schematic diagram of the lower I-beam anchoring structure of the utility model.

[0020] The reference numerals are as follows: 1-high-altitude flower rack beam, 2-I-beam support frame, 201-upper I-beam, 202-lower I-beam, 203-pressure plate, 204-U-shaped collar, 205-nut, 206-shelf board, 207-panel, 3-formwork support frame, 301-support formwork, 302-shear brace, 303-support cross bar, 304-support vertical bar, 4-elevator shaft wall, 401-hole, 402-U-shaped bolt, 403-reinforcing bar, 5-elevator hall floor, 501-exposed steel bar mesh. Detailed implementation manners

[0021] The embodiments of the present utility model will be described in detail below in conjunction with the drawings, so as to more clearly understand the purpose, features and advantages of the present utility model. It should be understood that the embodiments shown in the drawings are not limitations on the scope of the present utility model, but only to illustrate the essential spirit of the technical solution of the present utility model.

[0022] As Figure 1 - Figure 2 shown. The present utility model provides a support structure for a reinforced concrete high-altitude flower rack beam, including a high-altitude flower rack beam 1, an I-beam support frame 2 and a formwork support frame 3. The I-beam support frame 3 includes a plurality of lower I-beams 202 arranged at intervals and a plurality of upper I-beams 201 arranged at intervals. The upper I-beams 201 are fixedly arranged above the lower I-beams 202 and are vertically and crosswise arranged with the lower I-beams 202. The two ends of the lower I-beams 202 are anchored in the elevator shaft wall 4. A formwork support frame 3 is erected on the upper I-beams 201, and the upper end of the formwork support frame 3 supports the high-altitude flower rack beam 1.

[0023] Specifically, the lower I-beams 202 and the upper I-beams 201 are connected up and down to form a simply supported structure of double-layer I-beams. Both the lower I-beams 202 and the upper I-beams 201 are A16 I-beams. A plurality of lower I-beams 202 are arranged longitudinally at intervals in sequence to form a lower support layer, and a plurality of upper I-beams 201 are arranged transversely at intervals on the lower I-beams 202 in sequence to form an upper support layer. A formwork support frame 3 is erected on the upper I-beams 201, which can evenly transfer the load of the upper high-altitude flower rack beam 1 to the lower I-beams 202. The lower I-beams 202 are the main load-bearing structures, and the lower I-beams 202 then transfer the received load to the elevator shaft walls 4 on both sides and the anchoring ends to prevent the entire support structure from being overturned due to concentrated loads.

[0024] Furthermore, a U-shaped collar 204 is nested at the cross position of the lower I-beams 202 and the upper I-beams 201. A pressure plate 203 is arranged at the upper end of the upper I-beams 201. The open end of the U-shaped collar 204 is connected to the pressure plate 203, and the lower end face of the pressure plate 203 abuts against the upper end face of the upper I-beams 201 to tightly connect the lower I-beams 202 and the upper I-beams 201.

[0025] Specifically, the intersection position of each lower I-beam 202 and the upper I-beam 201 is fixed by a U-shaped collar 204. The U-shaped collar 204 sleeves the lower I-beam 202 and the upper I-beam 201. The upper end of the U-shaped collar 204 locks the lower I-beam 202 and the upper I-beam 201 through a pressure plate 203, which is not only convenient for disassembly and assembly, but also increases the connection between the lower I-beam 202 and the upper I-beam 201, improving the torsional resistance of the entire support structure.

[0026] Further, a formwork board 206 is laid on the upper I-beam 201 to form an operation platform, and a panel 207 is laid on the formwork board 206. The formwork board 206 is preferably a bamboo formwork board.

[0027] Such as Figure 3 shown. Further, a hole 401 is reserved at the lower end of the elevator shaft wall 4. The end of the upper I-beam 201 passes through the hole 401 and is supported on the elevator lobby floor 5 outside the elevator shaft wall 4. The end of the upper I-beam 201 is fastened to the elevator lobby floor 5 by a U-bolt 402.

[0028] Specifically, first pour the concrete of the two sides of the elevator shaft wall 4, and pre-reserve holes 401 at the anchorage of the lower I-beam 202. The holes 401 are arranged at intervals in sequence, and U-bolts 402 are embedded in the elevator lobby floor 5 about 50 cm away from the two sides of the elevator shaft wall 4. Two reinforcing bars 403 are welded to each U-bolt 402 for strengthening.

[0029] After the concrete age of the two sides of the elevator shaft wall 4 reaches 28 days, install the lower I-beam 202. After the end of the lower I-beam 202 is anchored into the holes 401 of the two sides of the elevator shaft wall 4, the two ends of the lower I-beam 202 are fixed with U-bolts 402 again to increase the stability of the lower I-beam 202. The reinforcing bars 403 and the U-bolts 402 are welded to the exposed reinforcement mesh 501 on the elevator lobby floor 5. The reinforcing bars 403 are preferably HRB400 deformed bars with a length of 1 m and a diameter of 16 mm.

[0030] Further, the open end of the U-shaped collar 204 extends out of the pressure plate 203, and a nut 205 is sleeved on the open end of the U-shaped collar 204 that extends out. The nut 205 abuts against the upper plate surface of the pressure plate 203.

[0031] Specifically, screw threads are respectively provided at the open ends of the U-shaped collar 204 to form screw rods. The screw rods respectively extend out of the upper end surface of the pressure plate 203, and nuts 205 are sleeved on the extended screw rods. The nuts 205 fasten the pressure plate 203 to the upper plate surface of the upper I-beam 201 so that the upper I-beam 201 and the lower I-beam 202 are firmly connected.

[0032] Furthermore, the nut 205 includes at least two layers. In the present utility model, a double-layer nut is adopted, and the double-layer nut can effectively prevent the pressing plate 203 from loosening.

[0033] Furthermore, the formwork support frame 3 includes support vertical rods 304, support cross rods 303, formwork support 301 and shear bracing rods 302. The support vertical rods 304 are arranged at intervals on each upper-layer I-beam 201. The support cross rods 303 are arranged at intervals on at least horizontally adjacent support vertical rods 304. The lower ends of the support vertical rods 304 are supported on the upper-layer I-beam 201, and the formwork support 301 is arranged at the upper ends of the support vertical rods 304. The high-altitude flower rack beam 1 is supported on the formwork support 301.

[0034] Specifically, the support vertical rods 304 are arranged longitudinally at intervals on the upper-layer I-beam 201. Horizontally adjacent support vertical rods 304 are sequentially connected by the support cross rods 303. The longitudinally adjacent support vertical rods 304 on each upper-layer I-beam 201 are connected by the support cross rods 303. The horizontal and longitudinal support cross rods 303 are both arranged at intervals up and down. The shear bracing rods 302 are obliquely arranged and connected to the support vertical rods 304 and the support cross rods 303 to form a triangular stable support.

[0035] In the specific implementation of a reinforced concrete high-altitude flower rack beam support structure of the present utility model, first, the concrete of the two-side elevator shaft walls 4 is poured. Holes 401 are reserved in advance at the bottom of the elevator shaft walls 4, and U-shaped bolts 402 are embedded in the elevator shaft floor 5. Two additional reinforcing bars 501 are added at each U-shaped bolt 402 for reinforcement. After the concrete age of the two-side elevator shaft walls 4 reaches 28 days, the lower-layer I-beam 202 is installed, and the lower-layer I-beam 202 is anchored into the two-side elevator shaft walls 4. The upper-layer I-beam 201 and the lower-layer I-beam 202 are fixed together by U-shaped collars 203. A formwork 206 is laid on the upper-layer I-beam 201, and the formwork support frame 3 is erected. The high-altitude flower rack beam 1 is built on the formwork support frame 3.

[0036] The present utility model is applicable to the high-altitude flower rack beam 1 with a height of 900 mm, a width within 250 mm, and a span less than 8 meters.

Claims

1. A reinforced concrete high-altitude flower rack beam support structure, characterized in that: It includes a high-altitude flower rack beam, an I-beam support frame and a formwork support frame. The I-beam support frame includes a plurality of lower I-beams arranged at intervals and a plurality of upper I-beams arranged at intervals. The upper I-beams are arranged above the lower I-beams and vertically cross the lower I-beams. Both ends of the lower I-beams are anchored in the elevator shaft wall. The formwork support frame is erected on the upper I-beams. The upper end of the formwork support frame supports the high-altitude flower rack beam.

2. A reinforced concrete high-altitude flower rack beam support structure according to claim 1, characterized in that: A U-shaped collar is nested at the intersection of the lower I-beam and the upper I-beam, a pressure plate is arranged at the upper end of the upper I-beam, the open end of the U-shaped collar is connected to the pressure plate, and the lower end surface of the pressure plate abuts against the upper end surface of the upper I-beam.

3. A reinforced concrete high-altitude flower rack beam support structure according to claim 1 or 2, characterized in that: A frame plate is laid on the upper I-beam.

4. A reinforced concrete high-altitude flower rack beam support structure according to claim 3, characterized in that: A hole is reserved at the lower end of the elevator shaft wall, and the end of the upper I-beam passes through the hole and is anchored on the elevator room floor outside the elevator shaft wall.

5. A reinforced concrete high-altitude flower rack beam support structure according to claim 4, characterized in that: The ends of the upper I-beams are fastened to the floor of the elevator room by U-bolts.

6. A reinforced concrete high-altitude flower rack beam support structure according to claim 2, characterized in that: The opening end of the U-shaped collar extends out of the pressing plate, and a nut is sleeved on the opening end of the U-shaped collar, and the nut resists the pressing plate.

7. A reinforced concrete high-altitude flower rack beam support structure according to claim 5, characterized in that: An exposed steel mesh is laid on the floor of the elevator room, and the U-shaped bolts are pre-buried in the floor of the elevator room and welded to the exposed steel mesh.

8. A reinforced concrete high-altitude flower rack beam support structure according to claim 7, characterized in that: Reinforcement steel bars are welded to the U-shaped bolts, and the reinforcement steel bars are welded to the exposed steel mesh.

9. A reinforced concrete high-altitude flower rack beam support structure according to claim 6, characterized in that: The nut comprises at least two layers.

10. The reinforced concrete high-altitude flower rack beam support structure according to claim 1, characterized in that: The formwork support frame includes support uprights, support cross bars, support formwork and shear struts. The support uprights are arranged at intervals on each of the upper I-beams, and at least the support cross bars are arranged at intervals on the laterally adjacent support uprights. The lower ends of the support uprights are supported on the upper I-beams, and the support formwork is arranged on the upper ends of the support uprights. The high-altitude flower rack beams are supported on the support formwork.

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