Connecting assembly of steel pipe and I-shaped steel

Abstract

A connecting assembly for a steel pipe and I-shaped steel relates to a connecting piece for the steel pipe and the I-shaped steel, and is characterized in that the middle part of an upper plate is fixedly connected with the lower end of a sleeve, one side of the sleeve is provided with a threaded through hole for mounting a fixing screw, the lower parts of four sides of the upper plate are respectively provided with an upper vertical plate, and the lower middle parts of the four upper vertical plates are respectively provided with a semicircular bayonet A; lower vertical plates are arranged on the upper portions of the four faces of the lower plate respectively, semicircular bayonets B are formed in the upper middle portions of the four lower vertical plates respectively, and an I-shaped steel clamping plate with double inner bends and a downward opening is arranged on the lower face of the lower plate. Four locking screws penetrate through the through holes, close to the four corners, of the upper plate and then are connected with the screw holes, close to the four corners, of the lower plate; by means of the semicircular bayonets A of the four upper vertical plates of the upper clamping plate and the semicircular bayonets A of the four lower vertical plates of the lower clamping plate, the horizontal steel pipe in the left-right direction or the front-back direction can be connected with the I-shaped steel, and the sleeve arranged on the upper plate can be connected with the lower end of the vertical steel pipe.

Description

Technical Field

[0001] The utility model relates to a steel pipe and I-beam connecting piece, in particular to a steel pipe and I-beam connecting assembly. Background Art

[0002] In building construction, in order to build high and low span raft foundations and formwork that meet the design requirements and required strength according to the design, a large number of I-beams and steel pipes are needed. The connection between I-beams and steel pipes constitutes cushion formwork, tall formwork, hard frame formwork and scaffolding. The commonly used connection structures of I-beams and steel pipes include the overlap method in which steel pipes or I-beams are overlapped and fastened together with bolts; the welding method in which steel pipes or I-beams are welded together using electric welding; the flange method in which steel pipes or I-beams are connected by flanges; these methods can only achieve a single connection structure between horizontal I-beams and horizontal steel pipes, and between horizontal I-beams and vertical steel pipes, and cannot meet the various connection requirements in construction. Only connecting buckles can be used for secondary connection, which not only slows down the construction but also takes up a lot of space. Utility Model Content

[0003] The purpose of the utility model is to disclose a connection assembly of a steel pipe and an I-beam based on the deficiencies of the prior art. The assembly comprises a connection between an I-beam clamp and the I-beam, a semicircular clamping opening of an upper clamp and a lower clamp is used to clamp the horizontal steel pipe, and a sleeve is used to realize connection with a vertical steel pipe.

[0004] In order to achieve the purpose disclosed in this utility model, this application discloses the following technical solutions:

[0005] A connection assembly for a steel pipe and an I-beam, comprising an upper plate, a sleeve, fixing screws, a lower plate, an I-beam clamp and locking screws, wherein the middle portion of the upper plate is fixedly connected to the lower end of the sleeve, a threaded through hole for installing the fixing screw is provided on one side of the sleeve, upper vertical plates are provided at the lower portions of the four sides of the upper plate, and semicircular bayonet holes A are provided at the lower middle portions of the four upper vertical plates; lower vertical plates are provided at the upper portions of the four sides of the lower plate, and semicircular bayonet holes B are provided at the upper middle portions of the four lower vertical plates; an I-beam clamp with double inward bends and its opening facing downward is provided on the lower surface of the lower plate; four locking screws are respectively passed through the through holes near the four corners of the upper plate and connected to the screw holes near the four corners of the lower plate.

[0006] The connecting assembly of the steel pipe and the I-beam is provided with a hole corresponding to the casing pipe hole in the middle of the upper plate.

[0007] The connecting assembly of the steel pipe and the I-beam is provided with holes corresponding to the casing pipe holes and corresponding holes in the middle of the lower plate and the middle of the I-beam clamping plate respectively.

[0008] The connecting assembly of the steel pipe and the I-beam is provided with a ring plate above the hole in the middle of the lower plate.

[0009] The connecting assembly of the steel pipe and the I-beam is provided with a fixing nut on one side of the casing, and the fixing screw passes through the internal thread of the fixing nut and presses against the lower end of the vertical steel pipe in the casing.

[0010] The steel pipe and I-beam connection assembly is provided with locking nuts near the four corners of the lower plate, and four locking screws pass through the through holes near the four corners of the upper plate and are connected to the locking nuts near the four corners of the lower plate.

[0011] Through the above disclosure, the beneficial effects of the utility model are:

[0012] The connecting assembly of steel pipes and I-beams described in the utility model can realize the connection of horizontal steel pipes and I-beams running left and right or front and back by utilizing the semicircular bayonet openings A of the four upper vertical plates of the upper clamping plate and the semicircular bayonet openings A of the four lower vertical plates of the lower clamping plate. The sleeve arranged on the upper plate can also realize the connection with the lower end of the vertical steel pipe; the utility model can realize the connection with the I-beam, the horizontal steel pipe and the vertical steel pipe at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 This is a three-dimensional structural schematic diagram of the upper clamping plate of the utility model from another angle;

[0015] Figure 3 This is a three-dimensional structural schematic diagram of the lower card plate of the utility model from another angle;

[0016] Figure 4 This is a schematic diagram of the three-dimensional connection structure between the I-beam and the horizontal steel pipe in the use of the utility model;

[0017] Figure 5 This is a schematic diagram of the three-dimensional connection structure of the I-beam, the horizontal steel pipe and the vertical steel pipe in the use of the utility model;

[0018] In the figure: 1. locking screw; 2. fixing screw; 3. pipe hole; 4. fixing nut; 5. sleeve; 6. upper plate; 7. perforation; 8. upper vertical plate; 9. semicircular bayonet A; 10. locking nut; 11. lower plate; 12. ring plate; 13. lower vertical plate; 14. semicircular bayonet B; 15. I-beam clamp; 16. internal thread; 17. corresponding hole; 18. horizontal steel pipe; 19. I-beam; 20. vertical steel pipe. DETAILED DESCRIPTION

[0019] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings so that the invention purpose, features and advantages of the present invention can be more clearly understood. It should be understood that the embodiments shown in the accompanying drawings are not the only limitation to the disclosure scope of the present invention, but are only intended to explain that the technical solution of the present invention is not limited to one implementation method.

[0020] Combined with Figures 1 to 3 The connecting assembly of the steel pipe and the I-beam described in the embodiment comprises an upper plate 6, a sleeve 5, a fixing screw 2, a lower plate 11, an I-beam clamping plate 15 and a locking screw 1. The middle part of the upper plate 6 is fixedly connected to the lower end of the sleeve 5. A hole corresponding to the pipe hole 3 of the sleeve 5 is provided in the middle part of the upper plate 6. A fixing nut 4 is provided on one side of the sleeve 5. The fixing screw 2 passes through the internal thread 16 of the fixing nut 4 and then presses against the lower end of the vertical steel pipe 20 in the sleeve 5. The lower parts of the four sides of the upper plate 6 are respectively provided with upper vertical plates 8, and the lower middle parts of the four upper vertical plates 8 are respectively provided with semicircular bayonet A9; the upper parts of the four sides of the lower plate 11 are respectively provided with lower A vertical plate 13 and the upper middle parts of the four lower vertical plates 13 are respectively provided with semicircular bayonet B14, holes corresponding to the pipe hole 3 of the sleeve 5 and corresponding holes 17 are respectively provided in the middle part of the lower plate 11 and the middle part of the I-beam clamping plate 15, a ring plate 12 is provided above the hole in the middle part of the lower plate 11, and an I-beam clamping plate 15 with double inward bends and the mouth facing downward is provided on the lower surface of the lower plate 11, and locking nuts 10 are respectively provided near the four corners of the lower plate 11; after the four locking screws 1 pass through the through holes 7 near the four corners of the upper plate 6, the four locking screws 1 are respectively connected to the locking nuts 10 near the four corners of the lower plate 11.

[0021] Implement the connection assembly of the steel pipe and the I-beam described in the utility model, in combination with the attached Figure 1 , 2Or 3 The upper clamping plate of the utility model uses an upper plate 6 and four upper vertical plates 8. Steel plates are cut by gas cutting to obtain the shape given in the figure. Circular holes and perforations 7 are cut in the middle of the upper plate 6 and near the four corners. Then, semicircular bayonet openings A9 are gas cut in the middle of the four upper vertical plates 8. The upper clamping plate and the lower clamping plate of the utility model can be made with the same structure at this time, that is, a set of lower plates 11 and lower vertical plates 13 are made according to the above. Then, the upper clamping plate and the lower clamping plate are made separately, and a perforation slightly larger than the internal thread of the fixing nut 4 is gas cut in the middle of one side of the sleeve 5. The fixing nut 4 is welded to the outside of the perforation on one side of the sleeve 5. The sleeve 5 is welded to the upper part of the upper plate 6, and it is best to use four reinforcing angle plates to weld and fix the sleeve 5 and the upper plate 6, and then weld the four upper vertical plates 8 to the upper plate 6 to obtain the upper clamping plate; for the production of the lower clamping plate, the corresponding hole 17 is cut in the middle of the I-beam clamping plate 15, and then a tool is used to produce an I-beam clamping plate 15 similar to a double inner bending plate, and the I-beam clamping plate 15 is welded to the lower plate 11, and the ring plate 12 is used to weld and connect to the upper part of the circular hole of the lower plate 11, and the four locking nuts 10 are welded to the upper surface of the lower plate 11 near the four corners, and the lower vertical plate 13 is welded to the four sides of the lower plate 11.

[0022] Combined with Figures 1 to 5 The use of the utility model is as follows:

[0023] A. Refer to the attached Figure 4 The I-beam 19 is connected to the vertical steel pipe 20 by clamping the I-beam clamping plate 15 on the I-beam 19, and then four locking screws 1 are respectively passed through the through holes 7 of the upper plate 6 and connected with the locking nuts 10, and the lower end of the vertical steel pipe 20 is passed through the pipe hole 3 of the casing 5 and inserted into the ring plate 12, and the lower end of the vertical steel pipe 20 is fixed with the fixing screws 2.

[0024] B. Connection between the I-beam 19 and the horizontal steel pipe 18. Use the I-beam clamp 15 to clamp the I-beam 19, then put the horizontal steel pipe 18 into the semicircular clamping holes B14 of the two lower vertical plates 13, buckle the two semicircular clamping holes A9 of the upper vertical plates 8 of the upper plate 6 onto the horizontal steel pipe 18, use four locking screws 1 to pass through the through holes 7 of the upper plate 6 respectively, and then connect with the locking nuts 10 (not shown in the figure).

[0025] C. Refer to the attached Figure 5The I-beam 19 is connected to the vertical steel pipe 20 and the horizontal steel pipe 18 at the same time. The I-beam clamp 15 is used to clamp the I-beam 19, and then the horizontal steel pipe 18 is placed in the semicircular bayonet B14 of the two lower vertical plates 13, and the two semicircular bayonet A9 of the upper vertical plate 8 of the upper plate 6 are buckled on the horizontal steel pipe 18. Four locking screws 1 are used to pass through the through holes 7 of the upper plate 6 and then connected with the locking nuts 10. Then, the lower end of the vertical steel pipe 20 is passed through the pipe hole 3 of the sleeve 5 and the lower end of the vertical steel pipe 20 is placed on the horizontal steel pipe 18. The lower end of the vertical steel pipe 20 is fixed with the fixing screw 2.

[0026] Of course, in order to ensure the strength and stability of the connection between the steel pipe and the I-beam 19 and improve the safety and reliability of the construction project, a wedge plate can be used to insert into the gap between the I-beam clamp 15 and the I-beam 19; or the I-beam 19 and the I-beam clamp 15 can be spot welded on both sides of the I-beam clamp 15 of the I-beam 19 to fix them.

[0027] The preferred embodiments of the present invention have been described in detail above, but it should be understood that after reading the above teachings of the present invention, those skilled in the art can make various changes or modifications within the scope of protection of the present invention. These equivalent forms also fall within the scope defined by the claims attached to this application.

[0028] The parts not described in detail in this utility model are prior art.

Claims

1. A steel pipe and I-beam connection assembly, comprising an upper plate (6), a sleeve (5), a fixing screw (2), a lower plate (11), an I-beam clamping plate (15) and a locking screw (1), wherein: The middle part of the upper plate (6) is fixedly connected to the lower end of the sleeve (5), and a threaded through hole for installing a fixing screw (2) is provided on one side of the sleeve (5). Upper vertical plates (8) are respectively provided at the lower parts of the four sides of the upper plate (6), and the lower middle parts of the four upper vertical plates (8) are respectively provided with semicircular bayonet holes A (9); lower vertical plates (13) are respectively provided at the upper parts of the four sides of the lower plate (11), and the upper middle parts of the four lower vertical plates (13) are respectively provided with semicircular bayonet holes B (14); a double-inwardly bent I-beam bayonet (15) with its mouth facing downward is provided on the lower surface of the lower plate (11); four locking screws (1) are respectively passed through the through holes (7) near the four corners of the upper plate (6) and are connected to the screw holes near the four corners of the lower plate (11).

2. The connection assembly of a steel pipe and an I-beam according to claim 1 is characterized in that: A hole corresponding to the tube hole (3) of the sleeve (5) is provided in the middle of the upper plate (6).

3. The connection assembly of a steel pipe and an I-beam according to claim 1, characterized in that: A hole corresponding to the tube hole (3) of the sleeve (5) and a corresponding hole (17) are respectively arranged in the middle of the lower plate (11) and the middle of the I-beam clamping plate (15).

4. The connection assembly of a steel pipe and an I-beam according to claim 3 is characterized in that: A ring plate (12) is arranged above the hole in the middle of the lower plate (11).

5. The connection assembly of a steel pipe and an I-beam according to claim 1, characterized in that: A fixing nut (4) is provided on one side of the sleeve (5), and the fixing screw (2) passes through the internal thread (16) of the fixing nut (4) and then presses against the lower end of the vertical steel pipe (20) in the sleeve (5).

6. The connection assembly of a steel pipe and an I-beam according to claim 1, characterized in that: Locking nuts (10) are respectively provided near the four corners of the lower plate (11), and four locking screws (1) are respectively passed through the through holes (7) near the four corners of the upper plate (6) and connected to the locking nuts (10) near the four corners of the lower plate (11).

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