A steel diagonal brace with rotatable ends and its construction method

Abstract

The present invention provides a steel diagonal brace with a rotatable end and a construction method thereof, which relates to the field of construction, and includes a diagonal brace end, a force transmission plate, a stiffening rib, an intermediate diagonal brace and a reinforcement plate. Among them, the diagonal brace end includes a rotating shaft, a rotating groove plate, a positioning circular plate, an I-beam connector and a T-steel end. The rotating groove plate is located on the I-beam connector and can be fitted with the positioning circular plate located on the T-steel end. The rotating shaft is used to connect the I-beam connector and the T-steel end. The construction method of the present application is carried out according to the following steps: assemble the diagonal brace end → place the diagonal brace end → determine the rotation angle of the I-beam connector → complete the rotation angle positioning of the I-beam connector → complete the arrangement of the diagonal brace end → complete the arrangement of the steel diagonal brace in the steel frame reinforcement. A steel diagonal brace with a rotatable end, wherein all its components are prefabricated parts and are constructed in an assembled manner, thereby ensuring the integrity of the steel diagonal brace and further shortening the construction period.

Description

Technical field

[0001] The present invention relates to the field of construction, and in particular to a steel diagonal brace with rotatable ends and a construction method thereof. [Background Technology]

[0002] Steel structures offer advantages such as uniform internal material, high strength, light weight, short construction periods, excellent sealing, excellent seismic resistance, environmental friendliness, and reusability. They are widely used in industrial and civil buildings such as factories and warehouses. Furthermore, steel frame structures, as a natural prefabricated building structure, are experiencing rapid growth.

[0003] With the development of society, more steel frame structures have emerged to meet the needs of production and daily life. For example, the steel frame-support system is commonly found in industrial and residential buildings. This system effectively coordinates the load-bearing properties of the frame and supports, improving the building's load-bearing capacity and lateral stiffness. Steel diagonal braces are used in structures to form spatial trusses, effectively increasing the structure's stiffness and seismic resistance. Furthermore, the renovation of older steel frame structures often utilizes the method of supporting beams and removing columns, and the placement of steel diagonal braces is a key step.

[0004] However, the arrangement of steel braces often requires precise prefabrication based on construction site requirements. If this component can be directly applied to steel frames of different sizes and used in prefabricated construction, it will greatly shorten the time required to reinforce the steel frames.

[0005] Therefore, it is necessary to propose a steel diagonal brace with rotatable ends and a construction method thereof. [Summary of the invention]

[0006] The present invention provides a steel diagonal brace with a rotatable end and a construction method thereof, which has a simple implementation form and is convenient to construct, and can solve the problem of tedious customization of different steel frame reinforcement prefabricated parts.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] The present invention provides a steel brace with a rotatable end, comprising a brace end, a force transmission plate, a stiffening rib, an intermediate brace, and a reinforcement plate. The brace end comprises a rotating shaft, a rotating groove plate, a positioning circular plate, an I-beam connector, and a T-steel end. The rotating shaft is detachable and is used to align and connect the I-beam connector and the T-steel end; the rotating groove plate is located on the I-beam connector, and the opening of the rotating groove plate is in the shape of an arc; the positioning circular plate is located on the T-steel end, and the protruding portion of the positioning circular plate has an arc profile that can completely fit the opening of the rotating groove plate; the I-beam connector and the T-steel end are connected by a rotating shaft to form the brace end.

[0009] The force transfer plate needs to be processed and cut according to the rotation angle of the I-beam connector. The cut force transfer plate is placed in the two positioning circular plates, specifically between the I-beam connector and the T-steel end.

[0010] The stiffening ribs are arranged to fit the cut force transfer plate, specifically below the end of the lower flange of the I-beam connector.

[0011] The middle diagonal brace is located between the two diagonal brace ends and is used to connect the two diagonal brace ends.

[0012] The reinforcing plate is located at the junction of the middle diagonal brace and the end of the diagonal brace, and is used to connect the middle diagonal brace and the end of the diagonal brace.

[0013] In order to make the construction method and function of the present invention clear, the present invention preferably provides a technical solution for the construction process, a construction method of a steel diagonal brace with a rotatable end, which is:

[0014] A. Align the I-beam connector with the T-beam end and connect them via the pivot to form the diagonal bracing end.

[0015] B. Place the diagonal brace end on the steel frame to be reinforced, fit the smooth side of the T-shaped steel end to the steel column, and the lower part to the steel beam, and weld the fittings together;

[0016] C. Rotate the I-beam connector to the appropriate position, record the rotation angle, remove the shaft, remove the I-beam connector, and cut the force transfer plate according to the measured size and rotation angle;

[0017] D. Place the cut force transfer plate between the two positioning circular plates, tilt the I-beam connector so that its web fits the cut force transfer plate, and connect the I-beam connector to the fixed T-steel end through the rotating shaft. Weld the joint between the rotating groove plate and the positioning circular plate to complete the corner positioning of the I-beam connector;

[0018] E. Connect the stiffening ribs so that the web of the stiffening ribs fits the force transfer plate. One side of each end of the stiffening ribs fits the end of the lower flange of the I-beam connector, and the other side fits the steel beam. Weld and fix the fittings to complete the arrangement of the diagonal brace ends.

[0019] F. Install the other diagonal brace end according to methods A to E, and use the reinforcement plate to connect the middle diagonal brace to the two diagonal brace ends by plug welding to complete the arrangement of the steel diagonal braces in the steel frame reinforcement.

[0020] The present invention provides a steel diagonal brace with a rotatable end, which has the following beneficial effects:

[0021] 1. The diagonal brace ends of the present invention are detachable, and the force transmission plates and stiffening ribs used for reinforcement are simple to manufacture, easy to process and construct, and convenient to transport, which can shorten the construction period of the reinforcement and reconstruction and improve the construction speed.

[0022] 2. A force transmission plate that has been cut and modified is arranged in the middle of the positioning circular plate, and a stiffening rib that has been cut and modified is arranged on the lower side of the T-steel end, which improves the force transmission path of the diagonal bracing end, has strong practicality and good reinforcement performance.

[0023] 3. The diagonal bracing end is rotatable, and the angle between the I-beam connector and the T-steel end is adjustable, which increases the applicable scope of the diagonal bracing end of the present invention.

[0024] 4. This invention adopts assembly construction and is suitable for the reinforcement of steel frames with different spans and spaces.

Brief Description of the Drawings

[0025] Figure 1 This is a schematic diagram of the structure of a steel diagonal brace with a rotatable end. Figure 1 ;

[0026] Figure 2 This is a schematic diagram of the structure of a steel diagonal brace with a rotatable end. Figure 2 ;

[0027] Figure 3 This is a schematic diagram of the structural preassembly of a steel diagonal brace with rotatable ends according to the present invention;

[0028] Figure 4 This is a schematic diagram of the assembly of a force transfer plate and stiffening ribs of a steel diagonal brace with a rotatable end according to the present invention;

[0029] Figure 5 This is an installation effect diagram of a steel diagonal brace with a rotatable end according to the present invention;

[0030] Figure 6 This is a diagram showing the overall assembly of a steel diagonal brace with rotatable ends according to the present invention.

[0031] The following are the descriptions of the reference numerals:

[0032] 1- diagonal brace end, 2- force transfer plate, 3- stiffening rib, 4- middle diagonal brace, 5- reinforcement plate, 6- steel beam, 7- steel column;

[0033] 11-rotating shaft, 12-I-beam connecting piece, 13-T-steel end;

[0034] 21- Force transfer plate after cutting;

[0035] 121-rotating slot plate, 131-positioning circular plate. [Specific implementation method]

[0036] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, rather than all the embodiments. It should be understood that the specific embodiments described herein are only used to illustrate the present invention and are not intended to limit the present invention.

[0037] like Figure 1 、 Figure 2 and Figure 6 As shown, a steel brace with a rotatable end includes: a brace end 1, a force transmission plate 2, a stiffening rib 3, an intermediate brace 4, and a reinforcement plate 5. The brace end 1 is composed of an I-beam connector 12 and a T-beam end 13. These two parts are connected by a rotating shaft 11, allowing the I-beam connector 12 to rotate around the rotating shaft 11, thereby achieving an adjustable angle of the brace end.

[0038] like Figure 3 As shown, the I-beam connector 12 is provided with a rotating groove plate 121, and the T-steel end 13 is provided with a positioning circular plate 131. The rotating groove plate 121 is opened according to the arc contour of the positioning circular plate 131, so that the positioning circular plate 131 can be completely fitted with the opening of the rotating groove plate 121, which is convenient for the initial welding and fixation of the I-beam connector 12 after the rotation angle is determined.

[0039] like Figure 4 As shown, the force transfer plate 2 is cut according to a suitable angle so that it can be placed exactly between the I-beam connector 12 and the T-steel end 13. The cut portion of the force transfer plate 21 can fit exactly into the I-beam connector 12; the upper portion of the stiffening rib 3 fits into the lower flange of the I-beam connector 12, and the belly fits into the cut force transfer plate 21, thereby improving the force conduction path of the diagonal brace end.

[0040] like Figure 6 As shown, the middle diagonal brace (4) connects the two diagonal brace ends (1), and the reinforcing plate (5) is located at the junction of the middle diagonal brace (4) and the diagonal brace end (1), and is used to connect the middle diagonal brace (4) and the diagonal brace end (1), thereby ensuring the stability and integrity of the steel diagonal brace.

[0041] A construction method for a steel diagonal brace with rotatable ends is as follows:

[0042] 1. Assemble the diagonal brace ends:

[0043] First, align the I-beam connector 12 with the T-beam end 13 and connect them via the rotating shaft 11 to form the diagonal bracing end 1;

[0044] 2. Place the diagonal brace ends:

[0045] Reference Figure 5, place the diagonal brace end 1 on the steel beam 6 of the steel frame to be reinforced, so that the T-shaped steel end 13 is in the center of the steel beam, and at the same time, fit the smooth side of the T-shaped steel end 13 to the steel column 7, and fit the lower part to the steel beam 6, and make sure that the web of the T-shaped steel end 13 is aligned with the web of the steel beam 6 below, and weld the fitting part to fix it;

[0046] 3. Determine the rotation angle of the I-beam connector:

[0047] Rotate the I-beam connector 12 to the appropriate position and record the rotation angle. To ensure that the force transfer plate 2 can better connect the I-beam connector 12 and the T-steel end 13, remove the rotating shaft 11, remove the I-beam connector 12, and cut the force transfer plate 2 according to the measured size and rotation angle.

[0048] 4. Complete the corner positioning of the I-beam connector:

[0049] Reference Figure 4 、 Figure 5 The cut force transfer plate 21 is placed inside the two positioning circular plates 13, with the vertical long side of the cut force transfer plate 21 affixed to the T-steel end 13 and the cut oblique side affixed to the web of the inclined I-beam connector 12. The I-beam connector 12 is connected to the fixed T-steel end 13 via the rotating shaft 11, and the joint between the rotating groove plate 121 and the positioning circular plate 131 is welded to complete the corner positioning of the I-beam connector 12.

[0050] 5. Complete the arrangement of the diagonal bracing ends:

[0051] Connect the stiffening ribs 3 so that the web of the stiffening ribs 3 fits the vertical short side of the cut force transfer plate 21. One side of the two ends of the stiffening ribs 3 fits the end of the lower flange of the I-beam connector 12, and the other side fits the steel beam 6. Weld the fittings together without leaving any gaps to ensure the integrity of the force conduction path and complete the arrangement of the diagonal brace end 1.

[0052] 6. Complete the arrangement of steel diagonal braces in the steel frame reinforcement:

[0053] Install another diagonal brace end 1 according to the above steps, and connect the middle diagonal brace 4 to the two diagonal brace ends 1 using the reinforcement plate 5 by plug welding to complete the arrangement of the steel diagonal braces in the steel frame reinforcement.

[0054] The technical solution in this embodiment is a steel diagonal brace with a rotatable end and a construction method thereof. All components of the diagonal brace are prefabricated and are constructed in an assembled manner. The diagonal brace end 1 is detachable and the angle is adjustable. The setting of the force transmission plate 2 and the stiffening rib 3 improves the force conduction path of the diagonal brace end 1. The provided reinforcement plate 5 connects the intermediate diagonal brace 4 and the diagonal brace end 1 by perforation plug welding to ensure the integrity of the steel diagonal brace. The technical solution of the present invention proposes a rotatable diagonal brace end with a wide range of applications, and provides a new way to arrange steel diagonal braces in steel frame reinforcement. The present invention has good reinforcement performance, convenient transportation of prefabricated parts, strong practicality, shortened construction period, and is suitable for the reinforcement of most steel frames.

[0055] The technical principles of the present invention have been described above in conjunction with specific embodiments. These descriptions are intended solely to explain the principles of the present invention and should not be construed in any way as limiting the scope of protection of the present invention. Clearly, a steel brace with rotatable ends and its construction method are not only applicable to the reinforcement of steel frames; any obvious modifications, replacements, or applications in different scenarios that can be made by those skilled in the art fall within the scope of protection of the present invention.

Claims

1. A steel brace with rotatable ends, characterized by: The invention comprises a diagonal brace end (1), a force transmission plate (2), a stiffening rib (3), an intermediate diagonal brace (4) and a reinforcement plate (5), wherein the diagonal brace end (1) comprises a rotating shaft (11), a rotating groove plate (121), a positioning circular plate (131), an I-beam connecting piece (12) and a T-shaped steel end (13); the rotating shaft (11) is detachable and is used for aligning and connecting the I-beam connecting piece (12) and the T-shaped steel end (13); The rotating groove plate (121) is located on the I-beam connecting piece (12), and the opening shape of the rotating groove plate (121) is an arc shape; The positioning circular plate (131) is located on the T-shaped steel end (13), and the protruding portion of the positioning circular plate (131) is an arc profile, which is completely fitted with the opening of the rotating slot plate (121); The I-beam connecting piece (12) and the T-beam end (13) are connected via a rotating shaft (11) to form a diagonal bracing end (1); The force transmission plate (2) needs to be processed, and the force transmission plate (2) is cut according to the rotation angle of the I-beam connecting piece (12). The cut force transmission plate (21) is placed in the two positioning circular plates (131), specifically between the I-beam connecting piece (12) and the T-shaped steel end (13).

2. According to the steel brace with a rotatable end as described in claim 1, the stiffening rib (3) is arranged in contact with the cut force transfer plate (21), specifically located below the lower flange end of the I-beam connector (12).

3. A steel diagonal brace with rotatable ends according to claim 1, wherein the middle diagonal brace (4) is located between the two diagonal brace ends (1) and is used to connect the two diagonal brace ends (1).

4. According to a steel diagonal brace with a rotatable end as described in claim 1, the reinforcement plate (5) is located at the junction of the middle diagonal brace (4) and the diagonal brace end (1), and is used to connect the middle diagonal brace (4) and the diagonal brace end (1).

5. A steel diagonal brace with rotatable ends according to any one of claims 1 to 4, wherein the construction method comprises the following steps:

1. Assemble the diagonal brace ends: Align the I-steel connector (12) with the T-steel end (13), and connect the two via the rotating shaft (11) to form the diagonal bracing end (1); 2. Place the diagonal brace ends: Place the diagonal brace end (1) on the steel frame to be reinforced, fit the smooth side of the T-shaped steel end (13) to the steel column (7), and fit the lower part to the steel beam (6), and weld the fitting parts together; 3. Determine the rotation angle of the I-beam connector: Rotate the I-beam connector (12) to a suitable position, record the rotation angle, remove the rotating shaft (11), remove the I-beam connector (12), and cut the force transmission plate (2) according to the measured size and rotation angle; 4. Complete the corner positioning of the I-beam connector: The cut force transmission plate (21) is placed in the two positioning circular plates (131), the I-beam connecting piece (12) is tilted so that its web fits the cut force transmission plate (21), and the I-beam connecting piece (12) is connected to the fixed T-shaped steel end (13) through the rotating shaft (11), and the joint between the rotating groove plate (121) and the positioning circular plate (131) is welded to complete the corner positioning of the I-beam connecting piece (12); 5. Complete the arrangement of the diagonal bracing ends: Connect the stiffening ribs (3) so that the web of the stiffening ribs (3) fits the cut force transmission plate (21), one side of the two ends of the stiffening ribs (3) fits the end of the lower flange of the I-beam connector (12), and the other side fits the steel beam (6), and the fitting is welded and fixed to complete the arrangement of the diagonal bracing end (1); 6. Complete the arrangement of steel diagonal braces in the steel frame reinforcement: According to the above steps, the other diagonal brace end (1) is installed, and the middle diagonal brace (4) is connected to the two diagonal brace ends (1) by using the reinforcing plate (5) through the hole plug welding method, thereby completing the arrangement of the steel diagonal brace in the steel frame reinforcement.

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