Composite beam with steel-concrete structure

Abstract

A composite beam of a steel-concrete structure effectively solves the problems that the distance between two beam plates is not easy to adjust and the flexibility is poor, the composite beam comprises a first beam plate and a second beam plate, a plurality of first telescopic devices and second telescopic devices are installed between the first beam plate and the second beam plate, and the first telescopic devices and the second telescopic devices are sequentially and alternately distributed; the first telescopic device comprises a first screw rod, an internal thread sleeve and a second screw rod, the thread turning directions of the first screw rod and the second screw rod are opposite, one end of the first screw rod is fixedly connected with the first beam plate, one end of the second screw rod is fixedly connected with the second beam plate, and the other end of the first screw rod and the other end of the second screw rod are simultaneously connected with the internal thread sleeve; and the internal thread sleeve is rotated to control the first beam plate and the second beam plate to be close to or away from each other simultaneously.

Description

Technical Field

[0001] The utility model belongs to the technical field of building construction, in particular to a steel-concrete composite beam. Background Art

[0002] Composite beams are a type of beam structure that can undergo secondary concrete pouring. Due to their prefabricated and assembled nature, they are widely used in the construction industry, and their quality requirements are quite stringent. However, most existing steel-concrete composite beams on the market have difficulty adjusting the spacing between the two beams, making them difficult to adapt to different construction requirements, inconvenient to use, and lacking flexibility. Utility Model Content

[0003] In view of the above situation, in order to overcome the defects of the existing technology, the purpose of the present invention is to provide a steel-concrete composite beam, which effectively solves the problem that the spacing between the two beam plates is difficult to adjust and the flexibility is poor.

[0004] The technical solution to the technical problem is as follows: comprising a first beam plate and a second beam plate, a plurality of first telescopic devices and second telescopic devices are installed between the first beam plate and the second beam plate, and the first telescopic devices and the second telescopic devices are alternately distributed in sequence;

[0005] The first telescopic device includes a first screw, an internally threaded sleeve and a second screw. The threads of the first screw and the second screw have opposite rotation directions. One end of the first screw is fixedly connected to the first beam plate, and one end of the second screw is fixedly connected to the second beam plate. The other end of the first screw and the other end of the second screw are simultaneously connected to the internally threaded sleeve. When the internally threaded sleeve is rotated, the internally threaded sleeve controls the first beam plate and the second beam plate to move closer or farther away at the same time.

[0006] Preferably, the second telescopic device includes a circular tube and a guide rod, the circular tube is fixedly connected to the first beam plate, the guide rod is fixedly connected to the second beam plate, and the guide rod is slidably connected in the circular tube.

[0007] Preferably, the guide rod is provided with scale lines.

[0008] Preferably, a plurality of first bundling rings located above the first telescopic device are fixed on the first beam plate, a second bundling ring corresponding to the first bundling ring is fixed on the second beam plate, a first steel bar is installed between the first bundling ring and the second bundling ring, and the first steel bar is located above the first telescopic device.

[0009] Preferably, a plurality of third bundling rings located below the first telescopic device are fixed on the first beam plate, a fourth bundling ring corresponding to the first bundling ring is fixed on the second beam plate, a second steel bar is installed between the third bundling ring and the fourth bundling ring, and the second steel bar is located below the first telescopic device.

[0010] Compared with traditional equipment, the utility model has the following advantages: ingenious structure, flexible operation, the first screw and the second screw have opposite thread rotation directions, and by rotating the inner spiral sleeve, the first screw and the second screw are controlled to synchronously move closer to or away from the middle position of the inner threaded sleeve, thereby adjusting the distance between the first beam and the second beam; the threaded connection is self-locking, safe and stable; the round tube and guide rod structure further improves the overall stability of the first beam and the second beam, and the construction efficiency is high; a scale line is provided on the guide rod, which makes it easy to convert the distance between the first beam and the second beam, with a good adjustment effect, and is suitable for different construction needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the first telescopic device and the second telescopic device in the utility model;

[0012] Figure 2 This utility model has a three-dimensional structure Figure 1 Schematic diagram;

[0013] Figure 3 This utility model has a three-dimensional structure Figure 2 Schematic diagram.

[0014] Figure numerals: 1. first beam plate; 2. second beam plate; 3. first screw rod; 4. internal threaded sleeve; 5. second screw rod; 6. round tube; 7. guide rod; 8. scale line; 9. first bundling ring; 10. second bundling ring; 11. first steel bar; 12. third bundling ring; 13. fourth bundling ring; 14. second steel bar. DETAILED DESCRIPTION

[0015] The specific implementation of the present invention will be further described in detail below with reference to the accompanying drawings.

[0016] Depend on Figures 1 to 3 A steel-concrete composite beam is provided, comprising a first beam plate 1 and a second beam plate 2, wherein a plurality of first telescopic devices and second telescopic devices are installed between the first beam plate 1 and the second beam plate 2, and the first telescopic devices and the second telescopic devices are alternately distributed in sequence;

[0017] The first telescopic device includes a first screw rod 3, an internally threaded sleeve 4 and a second screw rod 5. The threads of the first screw rod 3 and the second screw rod 5 have opposite rotation directions. One end of the first screw rod 3 is fixedly connected to the first beam plate 1, and one end of the second screw rod 5 is fixedly connected to the second beam plate 2. The other end of the first screw rod 3 and the other end of the second screw rod 5 are simultaneously connected to the internally threaded sleeve 4. By rotating the internally threaded sleeve 4, the internally threaded sleeve 4 controls the first beam plate 1 and the second beam plate 2 to move closer or farther away at the same time.

[0018] The second telescopic device includes a circular tube 6 and a guide rod 7 . The circular tube 6 is fixedly connected to the first beam plate 1 , and the guide rod 7 is fixedly connected to the second beam plate 2 . The guide rod 7 is slidably connected in the circular tube 6 .

[0019] In order to directly observe the distance between the first beam plate 1 and the second beam plate 2 , a scale line 8 is provided on the guide rod 7 .

[0020] A plurality of first bundling rings 9 located above the first telescopic device are fixed on the first beam 1, and a second bundling ring 10 corresponding to the first bundling ring 9 is fixed on the second beam 2. A first steel bar 11 is installed between the first bundling ring 9 and the second bundling ring 10, and the first steel bar 11 is located above the first telescopic device.

[0021] A plurality of third bundling rings 12 located below the first telescopic device are fixed on the first beam 1, and a fourth bundling ring 13 corresponding to the first bundling ring 9 is fixed on the second beam 2. A second steel bar 14 is installed between the third bundling ring 12 and the fourth bundling ring 13, and the second steel bar 14 is located below the first telescopic device.

[0022] When the utility model is in use, the first telescopic device and the second telescopic device are located on the same horizontal plane, and the first telescopic device and the second telescopic device are alternately distributed in sequence to maintain the stability between the first beam plate 1 and the second beam plate 2. When it is necessary to adjust the spacing between the first beam plate 1 and the second beam plate 2, the internal threaded sleeve 4 is rotated, and the first screw rod 3 and the second screw rod 5 are threadedly connected with the internal threaded sleeve 4 at the same time. The first screw rod 3 and the second screw rod 5 have opposite thread rotation directions. The internal threaded sleeve 4 controls the first beam plate 1 and the second beam plate 2 to move closer or farther away at the same time, thereby adjusting the spacing between the first beam plate 1 and the second beam plate 2. At the same time, the second telescopic device is adjusted synchronously with the first telescopic device, and the guide rod 7 slides in the round tube 6. The guide rod 7 is provided with a scale line 8. The scale line 8 at the intersection of the guide rod 7 and the round tube 6 The length of the circular tube 6 is fixed, and the length of the circular tube 6 plus the scale at the intersection of the guide rod 7 and the circular tube 6 is the distance between the first beam 1 and the second beam 2. The calculation is simple, and no other measuring device is required. The distance between the first beam 1 and the second beam 2 can be adjusted to a suitable distance, thereby achieving the goal of being suitable for different construction needs and being more convenient to use; then the first steel bar 11 is tied to the first binding ring 9 and the second binding ring 10, and the second steel bar 14 is tied to the third binding ring 12 and the fourth binding ring 13. The first binding ring 9, the second binding ring 10, the third binding ring 12 and the fourth binding ring 13 are all U-shaped rings, which are easy to tie, and then the composite beam is poured with concrete to improve the overall safety performance.

[0023] This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model are within the scope of protection of the technical solution of the utility model.

Claims

1. A steel-concrete composite beam, characterized in that: It comprises a first beam plate (1) and a second beam plate (2), wherein a plurality of first telescopic devices and second telescopic devices are installed between the first beam plate (1) and the second beam plate (2), and the first telescopic devices and the second telescopic devices are alternately distributed in sequence; The first telescopic device comprises a first screw rod (3), an internally threaded sleeve (4) and a second screw rod (5). The threads of the first screw rod (3) and the second screw rod (5) are in opposite directions. One end of the first screw rod (3) is fixedly connected to the first beam plate (1), and one end of the second screw rod (5) is fixedly connected to the second beam plate (2). The other end of the first screw rod (3) and the other end of the second screw rod (5) are simultaneously connected to the internally threaded sleeve (4). When the internally threaded sleeve (4) is rotated, the internally threaded sleeve (4) controls the first beam plate (1) and the second beam plate (2) to move closer to or farther away from each other at the same time.

2. The steel-concrete composite beam according to claim 1, characterized in that: The second telescopic device comprises a circular tube (6) and a guide rod (7); the circular tube (6) is fixedly connected to the first beam plate (1); the guide rod (7) is fixedly connected to the second beam plate (2); and the guide rod (7) is slidably connected inside the circular tube (6).

3. The steel-concrete composite beam according to claim 2, characterized in that: The guide rod (7) is provided with a scale line (8).

4. The steel-concrete composite beam according to claim 1, characterized in that: A plurality of first binding rings (9) located above the first telescopic device are fixed on the first beam plate (1), a second binding ring (10) corresponding to the first binding ring (9) is fixed on the second beam plate (2), a first steel bar (11) is installed between the first binding ring (9) and the second binding ring (10), and the first steel bar (11) is located above the first telescopic device.

5. The steel-concrete composite beam according to claim 1, characterized in that: A plurality of third binding rings (12) located below the first telescopic device are fixed on the first beam plate (1), a fourth binding ring (13) corresponding to the first binding ring (9) is fixed on the second beam plate (2), a second steel bar (14) is installed between the third binding ring (12) and the fourth binding ring (13), and the second steel bar (14) is located below the first telescopic device.

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