Connecting device for H-shaped steel beam and reinforced concrete structure

Abstract

The utility model relates to the technical field of constructional engineering, and discloses a connecting device of an H-shaped steel beam and a reinforced concrete structure, which comprises a reinforced concrete core tube, a steel beam body and a connecting piece, and the reinforced concrete core tube is provided with an embedded part which is integrally formed with the reinforced concrete core tube by pouring. According to the connecting device for the H-shaped steel beam and the reinforced concrete structure, before a reinforced concrete core tube is poured, an embedded part used for being connected with a steel beam body is embedded in advance, and then strip-shaped holes consistent in size and shape are formed in a T-shaped steel part and a web of the steel beam body; and finally, the T-shaped steel piece is connected with the steel beam body through the connecting bolt and the connecting nut, so that a series of serious quality problems of steel beam reaming, steel beam cutting and the like caused by construction errors such as formwork erecting and concrete pouring deformation of the reinforced concrete core tube are solved, and the construction quality of a core tube pre-embedded connecting joint area is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering, concretely is a kind of connecting device of H-shaped steel beam and reinforced concrete structure. BACKGROUND

[0002] At present, the structure type basically used by super high-rise building is "reinforced concrete core barrel+outer frame steel structure", wherein the web of H-shaped steel beam in outer steel frame is connected with reinforced concrete inner core barrel by T-shaped steel, one end of T-shaped steel is welded on the metal embedded part of reinforced concrete inner core barrel, and the other end is fixed on the web of H-shaped steel beam by bolt.

[0003] In actual construction, due to the reasons such as formwork support setting, concrete pouring deformation, etc., the embedded part (used for connecting steel outer frame steel beam) of reinforced concrete inner core barrel often appears inwardly concave or outwardly protrude, and the connection between T-shaped steel and steel outer frame H-shaped steel beam is bolted round hole connection, so that H-shaped steel beam cannot be connected with reinforced concrete inner core barrel, and on-site often takes the remedial measures of on-site hole expansion and on-site cutting of steel beam, which not only affects the engineering quality, but also reduces the construction efficiency, therefore, we provide a kind of connecting device of H-shaped steel beam and reinforced concrete structure. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of prior art, the utility model provides a kind of connecting device of H-shaped steel beam and reinforced concrete structure, solves the problems mentioned in the above background.

[0005] The utility model provides the following technical scheme: a kind of connecting device of H-shaped steel beam and reinforced concrete structure, comprising: reinforced concrete core tube, steel beam body and connecting piece, the reinforced concrete core tube is provided with embedded part integrally formed with reinforced concrete core tube pouring, the side surface of the embedded part is welded with T-shaped steel piece, the T-shaped steel piece and steel beam body are all provided with strip hole, the connecting piece includes connecting bolt and connecting nut, the connecting bolt is connected with connecting nut by screw thread connection through strip hole to pass through T-shaped steel piece and steel beam body, the T-shaped steel piece is also provided with fixing piece and auxiliary assembly for limiting the position of connecting bolt;The auxiliary assembly includes screw rod rotatably arranged in T-shaped steel piece, transmission shaft and connecting shaft, the screw rod is threadedly connected with sliding block, the sliding block is fixedly connected with fixing piece, and the sliding block is also slidably connected with T-shaped steel piece, the end of the screw rod is fixedly installed with driven worm wheel, the transmission shaft is fixedly installed with driving worm, and the end of the transmission shaft is fixedly installed with auxiliary bevel gear, one end of the connecting shaft is fixedly installed with main bevel gear, and the other end of the connecting shaft is fixedly installed with columnar head with hexagonal socket being opened, the hexagonal slide plate is slidably connected on the columnar head, the side surface of the hexagonal slide plate is fixedly installed with connecting rod, the end of the connecting rod is fixedly installed with friction ring, the auxiliary assembly further includes reset spring with both ends being fixedly connected with hexagonal slide plate and columnar head.

[0006] Preferably, the driven worm wheel and the driving worm are located at the internal cavity of the T-shaped steel piece, and the driven worm wheel and the driving worm are threadedly connected.

[0007] Preferably, the main bevel gear and the auxiliary bevel gear are also located at the internal cavity of the T-shaped steel piece, and the main bevel gear and the auxiliary bevel gear are meshingly connected.

[0008] Preferably, the connecting rod is designed in T-shaped structure, and the connecting shaft is provided with a sliding groove for passing through both ends of the connecting rod.

[0009] Preferably, the friction ring is located in the T-shaped steel piece, and the side surface of the friction ring is provided with friction lines for enhancing friction.

[0010] Preferably, the axis of the connecting rod coincides with the axis of the connecting shaft, and the connecting rod is located at the internal cavity of the driven worm wheel.

[0011] Preferably, the steel beam body is H-shaped steel, and the web plate of the steel beam body is provided with a strip hole.

[0012] Preferably, the width of the strip hole is greater than the outer diameter of the thread of the connecting bolt, and the width of the strip hole is less than the width of the connecting nut.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The connecting device of the H-shaped steel beam and the reinforced concrete structure, by pre-burying the embedded part for connecting the steel beam body before pouring the reinforced concrete core barrel, then respectively opening the strip-shaped hole with the same size and shape on the T-shaped steel piece and the web of the steel beam body, and finally connecting the T-shaped steel piece and the steel beam body through the connecting bolt and the connecting nut, thereby eliminating a series of serious quality problems such as steel beam hole expansion and steel beam cutting caused by construction errors such as formwork setting and concrete pouring deformation of the reinforced concrete core barrel, and improving the construction quality of the core barrel embedded connection node area.

[0015] 2. The connecting device of the H-shaped steel beam and the reinforced concrete structure, by setting the fixing part and the auxiliary assembly to limit the position of the connecting bolt, prevent the connecting bolt from moving along the length direction of the strip-shaped hole, further guarantee the stability of the overall structure, and the position of the fixing part can also be adjusted to meet the needs of different construction scenes, thereby improving the performance of the overall device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic diagram of the utility model;

[0017] Figure 2 It is the overall structure explosion drawing of the utility model;

[0018] Figure 3 It is Figure 2 The structure enlarged schematic diagram of A in the middle;

[0019] Figure 4 It is the first cut schematic diagram of the T-shaped steel piece structure of the utility model;

[0020] Figure 5 It is the second cut schematic diagram of the T-shaped steel piece structure of the utility model;

[0021] Figure 6 It is the reset spring structure explosion drawing of the utility model.

[0022] In the drawing: 1, reinforced concrete core barrel; 2, steel beam body; 3, embedded part; 4, T-shaped steel piece; 5, connecting bolt; 6, connecting nut; 7, fixing part; 8, strip-shaped hole; 9, auxiliary assembly; 91, screw rod; 92, sliding block; 93, driven worm gear; 94, driving worm; 95, transmission shaft; 96, auxiliary bevel gear; 97, main bevel gear; 98, connecting shaft; 99, friction ring; 910, columnar head; 911, hexagonal slide plate; 912, connecting rod; 913, reset spring. DETAILED DESCRIPTION

[0023] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0024] Please refer to Figures 1-6 The utility model provides a kind of connecting device of H-shaped steel beam and reinforced concrete structure, it include: reinforced concrete core tube 1, steel beam body 2 and connecting piece, it is set on reinforced concrete core tube 1 with the embedded part 3 of being integrally formed with reinforced concrete core tube 1 pouring, the side surface of embedded part 3 is welded with T-shaped steel piece 4, T-shaped steel piece 4 and steel beam body 2 are all set with strip hole 8, connecting piece includes connecting bolt 5 and connecting nut 6, connecting bolt 5 is passed through T-shaped steel piece 4 and steel beam body 2 with connecting nut 6 screw connection by strip hole 8, T-shaped steel piece 4 is also provided with the fixing piece 7 and auxiliary assembly 9 for limiting the position of connecting bolt 5;Steel beam body 2 is H-shaped steel, and strip hole 8 is set on the web of steel beam body 2, the width of strip hole 8 is greater than the thread outer diameter of connecting bolt 5, and the width of strip hole 8 is less than the width of connecting nut 6, these designs can ensure the connecting effect formed between connecting bolt 5 and connecting nut 6, to further improve the performance of entire structure.

[0025] The auxiliary assembly 9 comprises a screw rod 91, a transmission shaft 95 and a connecting shaft 98 which are arranged in the T-shaped steel piece 4, the screw rod 91 is threadedly connected with a sliding block 92, the sliding block 92 is fixedly connected with the fixed piece 7 and is in sliding connection with the T-shaped steel piece 4, the end of the screw rod 91 is fixedly installed with a driven worm wheel 93, the transmission shaft 95 is fixedly installed with a driving worm 94, the end of the transmission shaft 95 is fixedly installed with a secondary bevel gear 96, one end of the connecting shaft 98 is fixedly installed with a primary bevel gear 97, the other end of the connecting shaft 98 is fixedly installed with a columnar head 910 which is provided with a hexagonal socket, the hexagonal sliding plate 911 is in sliding connection with the columnar head 910, the side surface of the hexagonal sliding plate 911 is fixedly installed with the connecting rod 912, the end of the connecting rod 912 is fixedly installed with the friction ring 99, the auxiliary assembly 9 further comprises the reset spring 913 which is fixedly connected with the hexagonal sliding plate 911 and the columnar head 910 at both ends, the driven worm wheel 93 and the driving worm 94 are located at the internal cavity of the T-shaped steel piece 4 and are in threaded transmission connection, the primary bevel gear 97 and the secondary bevel gear 96 are also located at the internal cavity of the T-shaped steel piece 4 and are in meshing transmission connection, the connecting rod 912 is designed in T-shaped structure, the sliding groove is arranged on the connecting shaft 98 for penetrating through both ends of the connecting rod 912, the friction ring 99 is located in the T-shaped steel piece 4 and is provided with friction lines on the side surface for enhancing friction, the axis of the connecting rod 912 coincides with the axis of the connecting shaft 98, and the connecting rod 912 is located at the internal cavity of the driven worm wheel 93, so as to ensure the flexibility of the overall design, and then the positions of the multiple fixed pieces 7 and the multiple connecting bolts 5 are adjusted at the same time, and the use efficiency of the overall device is further improved.

[0026] The working principle is that before pouring the reinforced concrete core tube 1, the embedded part 3 for connecting the steel beam body 2 is embedded in advance, when the steel beam body 2 is processed in the factory, the web plate is provided with a strip-shaped hole 8, the T-shaped steel connecting part is also provided with a strip-shaped hole 8 with the same size and shape, one end of the T-shaped steel part 4 is welded on the embedded part 3, the outer frame steel beam body 2 is hoisted, the connecting bolt 5 is inserted into the strip-shaped hole 8 of the steel beam body 2 and the T-shaped steel part 4 and connected with the connecting nut 6, according to the actual position and the design drawing, the position of the connecting bolt 5 is adjusted, and then the connecting bolt 5 is fastened, when the position of the connecting bolt 5 needs to be adjusted, because the connecting bolt 5 is inserted into the strip-shaped hole 8 at the same time and synchronously passes through the two fixing parts 7 on the side of the T-shaped steel part 4, therefore, the hexagonal wrench is inserted into the inside of the columnar head 910, the hexagonal sliding plate 911 and the friction ring 99 fixedly connected with the hexagonal sliding plate 911 through the connecting rod 912 are squeezed and slid, so that the gap between the friction ring 99 and the T-shaped steel part 4 is generated, then the columnar head 910 is rotated by the hexagonal wrench, the columnar head 910, the connecting shaft 98 fixedly connected with the columnar head 910 and the main conical gear 97 on the end of the connecting shaft 98 are synchronously rotated in the T-shaped steel part 4, the main conical gear 97 is meshingly connected with the auxiliary conical gear 96 on the end of the transmission shaft 95, the driving worm 94 fixedly connected with the transmission shaft 95 is also threadedly connected with the driven worm wheel 93 fixedly connected with the lead screw 91, therefore, when the columnar head 910 is rotated, the lead screw 91 is synchronously rotated on the T-shaped steel part 4 through the transmission of the structures of the connecting shaft 98, the main conical gear 97, the auxiliary conical gear 96, the transmission shaft 95, the driving worm 94, the driven worm wheel 93 and the like, because the sliding block 92 fixedly connected with the fixing part 7 is not only slidably connected with the T-shaped steel part 4, but also threadedly connected with the lead screw 91, when the lead screw 91 is rotated, the fixing part 7 and the connecting bolt 5 between the fixing parts 7 are driven and slid, so that the position of the connecting bolt 5 is changed, finally, the hexagonal wrench is pulled out, the friction ring 99 is slid again under the action of the reset spring 913 fixedly connected with the hexagonal sliding plate 911 and the columnar head 910 at two ends, the gap between the friction ring 99 and the T-shaped steel part 4 is eliminated, at this time, the friction lines on the surface of the friction ring 99 are in close contact with and cooperate with the T-shaped steel part 4 and form a certain friction force, thereby limiting the rotation of the structures of the connecting shaft 98, the main conical gear 97 and the like, and thereby locking the state of the whole device, so as to completely fix the fixing part 7 on the T-shaped steel part 4 by using the welding process subsequently.

[0027] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and transformed in various ways without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A connecting device of a H-shaped steel beam and a reinforced concrete structure, characterized by, Include: Reinforced concrete core tube (1), steel beam body (2) and connecting piece, the reinforced concrete core tube (1) is provided with embedded part (3) integrally formed with reinforced concrete core tube (1) pouring, the side of embedded part (3) is welded with T-shaped steel piece (4), T-shaped steel piece (4) and steel beam body (2) are all provided with strip-shaped hole (8), the connecting piece includes connecting bolt (5) and connecting nut (6), connecting bolt (5) passes through T-shaped steel piece (4) and steel beam body (2) with connecting nut (6) screw connection by strip-shaped hole (8), T-shaped steel piece (4) is also provided with fixing piece (7) and auxiliary assembly (9) for limiting the position of connecting bolt (5); The auxiliary assembly (9) includes a lead screw (91) rotatably disposed inside the T-shaped steel piece (4), a transmission shaft (95), and a connecting shaft (98). The lead screw (91) has a sliding block (92) threadedly connected thereto. The sliding block (92) is fixedly connected to the fixing piece (7) and slidably connected to the T-shaped steel piece (4). The end of the lead screw (91) is fixedly installed with a driven worm wheel (93). The transmission shaft (95) is fixedly installed with a driving worm (94) and a secondary bevel gear (96) at its end. The connecting shaft (98) is fixedly installed with a primary bevel gear (97) at one end and a cylindrical head (910) with a hexagonal socket at the other end. The cylindrical head (910) is slidably connected to a hexagonal sliding plate (911). The hexagonal sliding plate (911) is fixedly installed with a connecting rod (912) on its side. The end of the connecting rod (912) is fixedly installed with a friction ring (99). The auxiliary assembly (9) further includes a return spring (913) fixedly connected to the hexagonal sliding plate (911) and the cylindrical head (910) at both ends.

2. The connecting device of a H-shaped steel beam and a reinforced concrete structure according to claim 1, characterized in that, The driven worm wheel (93) and the driving worm (94) are located at the internal cavity of the T-shaped steel piece (4) and are threadedly connected.

3. The connecting device of a H-shaped steel beam and a reinforced concrete structure according to claim 1, characterized in that, The primary bevel gear (97) and the secondary bevel gear (96) are also located at the internal cavity of the T-shaped steel piece (4) and are meshingly connected.

4. The connecting device of a H-shaped steel beam and a reinforced concrete structure according to claim 1, characterized in that, The connecting rod (912) has a T-shaped structure, and the connecting shaft (98) is provided with a sliding groove for passing through both ends of the connecting rod (912).

5. The connecting device of a H-shaped steel beam and a reinforced concrete structure according to claim 1, characterized in that, The friction ring (99) is located inside the T-shaped steel piece (4), and the side of the friction ring (99) is provided with friction lines for enhancing friction.

6. The connecting device of a H-shaped steel beam and a reinforced concrete structure according to claim 1, characterized in that, The axis of the connecting rod (912) coincides with the axis of the connecting shaft (98), and the connecting rod (912) is located at the internal cavity of the driven worm wheel (93).

7. The connecting device of a H-shaped steel beam and a reinforced concrete structure according to claim 1, characterized in that, The steel beam body (2) is an H-shaped steel, and the web of the steel beam body (2) is provided with a strip-shaped hole (8).

8. The connecting device of a H-shaped steel beam and a reinforced concrete structure according to claim 1, characterized in that, The width of the strip-shaped hole (8) is greater than the outer diameter of the thread of the connecting bolt (5), and the width of the strip-shaped hole (8) is less than the width of the connecting nut (6).

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