Reinforcing structure of steel stand column

Abstract

The utility model relates to the technical field of building construction, and discloses a reinforcing structure of a steel stand column, which comprises a stand column, the stand column is connected with the fixing structure; the fixing structure comprises at least one cross beam; the sleeve is fixed on the periphery of the stand column; one end of the inclined strut is fixed with the sleeve, and the other end is fixed with the fixing structure; the inclined strut is fixed with the cross beam by means of the first fixing assembly; the first fixing assembly comprises a first anchor plate and a first fastener. According to the reinforcing structure of the steel stand column, through the inclined struts arranged in the four directions of the periphery of the stand column and the anchor plates, the buckle plates and the fasteners matched with the inclined struts, the reinforcing structure suitable for the steel stand column is provided, the structural strength of a stand column pile is improved, and the supporting requirement during subsequent deepening of a foundation pit is met; all the components of the reinforcing structure are installed only through welding and anchor bolt connection, large construction machines do not need to enter a basement, the construction difficulty is lowered, and the cost and the construction period are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a reinforcement structure of a steel column. Background Art

[0002] In completed foundation pit projects, when the foundation pit is deepened or a pit within a pit is excavated, the length of the completed column piles embedded in the soil layer will become shorter, the slenderness ratio will increase, the stability will decrease, and instability may occur, making it impossible to meet the foundation pit support requirements. In the existing technology, column piles and columns that meet the requirements are usually reconstructed near the column piles that do not meet the stability standards. The columns are connected to the beams of the support structure through chemical anchors to ensure that the foundation pit support meets the requirements. However, for completed foundation pit projects, pile foundation construction is difficult. In addition, the reconstructing of column piles and steel columns takes a long time, and the foundation pit risks cannot be eliminated in time. Utility Model Content

[0003] In view of this, the utility model provides a reinforcement structure of steel columns to solve the problem that when deepening the foundation pit or excavating a pit within a pit, new supporting piles and columns are used, pile foundation construction is difficult and the foundation pit risk cannot be eliminated in time.

[0004] The utility model provides a reinforcement structure for a steel column, comprising: a column; a fixing structure, the column is vertically connected to the fixing structure; the fixing structure comprises at least one crossbeam; a sleeve, which is sleeved and fixed to the periphery of the column; a diagonal brace, one end of which is fixed to the sleeve, and the other end is fixed to the fixing structure; a first fixing assembly, the diagonal brace is fixed to the crossbeam by means of the first fixing assembly; the first fixing assembly comprises a first anchor plate and a first fastener, the first anchor plate is fixed to the crossbeam by means of the first fastener, and the diagonal brace is fixed to the first anchor plate; wherein, at least two diagonal braces are respectively arranged on opposite sides of the column along the first direction, and at least two diagonal braces are respectively arranged on opposite sides of the column along the second direction, and the first direction and the second direction form an arbitrary angle.

[0005] Beneficial effects: By setting diagonal braces distributed at four positions around the column, and anchor plates, gusset plates and fasteners matched with the diagonal braces, a reinforcement structure set on the steel column is provided to improve the structural strength of the column pile and meet the support needs when the foundation pit is subsequently deepened. Specifically, the installation of each component of the reinforcement structure only requires welding and anchor bolt connection, and no large-scale construction machinery is required to enter the basement. The overall operation is simple, which reduces the difficulty of construction. While meeting the strength requirements of the support structure, the construction difficulty and construction period are greatly reduced, saving time and effort; four diagonal braces are respectively set at four positions around the column, and the diagonal braces are inverted and form a triangular force system with the beam and the column, which has an excellent reinforcement effect; the reinforcement structure includes four parts: diagonal braces, a first anchor plate, a first fastener, and a gusset plate. The production cost is low and the construction cost is reduced.

[0006] In an optional embodiment, the fixed structure is composed of at least two beams cross-connected; the cross-connected position of at least two beams is defined as the first node, and the column passes through the first node; at least two beams are respectively located relatively above the diagonal braces, so that the diagonal braces are respectively fixed to the beams at corresponding positions by means of the first fixing component.

[0007] In an optional embodiment, both ends of the diagonal brace are connected to the column and the crossbeam respectively to form a triangular structure.

[0008] In an optional embodiment, a plurality of groups of the fixing structures are arranged at intervals along the axial direction of the column; the bottom end of the column is connected to the pile body, and the diagonal brace is connected to the fixing structure arranged close to the pile body.

[0009] In an optional embodiment, the sleeve includes at least two buckle plates, which are arc-shaped plates. At least two of the buckle plates are correspondingly buckled and are arranged in a hoop around the periphery of the column.

[0010] In an optional embodiment, the first fastener passes through the first anchor plate and is inserted into the crossbeam, and an adhesive is provided at the connection position between the first fastener and the crossbeam.

[0011] In an optional embodiment, a protrusion is provided at the end of the first fastener, and the protrusion is welded and fixed to the first anchor plate; or a nut is screwed on the periphery of the first fastener, and the nut abuts against the side of the first anchor plate away from the crossbeam, suitable for fixing the first anchor plate to the first fastener.

[0012] In an optional embodiment, a plurality of first fasteners are arranged at intervals on the first anchor plate; and a plurality of second fasteners are arranged at intervals on the second anchor plate.

[0013] In an optional embodiment, the diagonal brace is in the form of any one of the following: I-beam, box-shaped steel, or C-shaped steel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 It is a schematic diagram of the reinforcement structure of the steel column of the utility model;

[0016] Figure 2 A schematic diagram of the column and the fixing structure of the utility model in a first direction;

[0017] Figure 3 A schematic diagram of the column and the fixing structure of the utility model in the second direction;

[0018] Figure 4 For this utility model Figure 1 A magnified schematic diagram of point A in the middle;

[0019] Figure 5 For this utility model Figure 1 A magnified schematic diagram of point B in the middle;

[0020] Figure 6 For this utility model Figure 2 Center C is an enlarged schematic diagram of an embodiment;

[0021] Figure 7 For this utility model Figure 2 Item C in the middle is an enlarged schematic diagram of another embodiment.

[0022] Description of reference numerals:

[0023] 1. Column; 2. Fixed structure; 21. Beam; 3. Sleeve; 31. Clamp plate; 4. Bracing; 5. First fixing assembly; 51. First anchor plate; 52. First fastener; 53. Protrusion; 54. Nut; 6. First node; 7. Pile. DETAILED DESCRIPTION

[0024] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0025] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0027] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0028] The following combination Figures 1 to 7 , describing the embodiments of the present utility model.

[0029] According to an embodiment of the present invention, a reinforcement structure of a steel column is provided, comprising: a column 1; a fixing structure 2, wherein the column 1 is vertically connected to the fixing structure 2; the fixing structure 2 includes at least one cross beam 21, and in this embodiment, the fixing structure 2 includes two cross beams 21; a sleeve 3, which is sleeved and fixed to the periphery of the column 1, and the sleeve 3 includes at least two gussets 31, and the gussets 31 can be but not limited to semicircular arc plates, and at least two of the gussets 31 are correspondingly buckled to form a full circle and are clamped and fixed to the periphery of the column 1; a diagonal brace 4, one end of which is fixed to the sleeve 3 and the other end is fixed to the fixing structure 2, and the diagonal brace 4 can be but not limited to an I-beam; a first fixing component 5, and the diagonal brace 4 is fixed to the cross beam 21 by means of the first fixing component 5; the first fixing component 5 includes a first anchor plate 51 and a first fastener 52, and the first anchor plate 51 is fixed to the cross beam 21 by means of the first fastener 52, and the diagonal brace 4 is fixed to the first anchor plate 51, and the first fastener 52 can The invention is not limited to chemical anchor bolts, which are composed of chemical adhesives and metal rods. The first fastener 52 penetrates the first anchor plate 51 and is inserted into the cross beam 21. At the same time, the adhesive is filled in the connection position between the metal rod and the cross beam 21 to achieve stable fastening. At least two diagonal braces 4 are respectively arranged on opposite sides of the column 1 along the first direction, and at least two diagonal braces 4 are respectively arranged on opposite sides of the column 1 along the second direction. The first direction and the second direction form an arbitrary angle. In this embodiment, the first direction and the second direction are perpendicular to each other. In this embodiment, the four diagonal braces 4 are respectively arranged at four directions on the circumference of the column 1. At the same time, the diagonal braces 4 are inverted and form a triangular force system with the cross beam 21 and the column 1, which serves to improve the strength of the column 1 and stabilize the support structure. It replaces the method of building new support piles in the existing technology. The construction of the reinforcement frame only involves welding and anchoring, and no large construction machinery is required. The construction process is simple and convenient. While meeting the strength requirements of the support structure, it greatly reduces the construction difficulty and construction period, saving time and effort.

[0030] In this embodiment, combined with Figures 1 to 6 As shown, the fixed structure 2 is composed of two cross beams 21 connected in a cross-type manner; the cross-connected position of the two cross beams 21 is defined as the first node 6, and the column 1 passes through the first node 6; the two cross beams 21 are respectively extended along the first direction and the second direction, so that they are respectively located relatively above the diagonal braces 4. Due to the cross-setting, the two cross beams 21 form four beam sections, and the four beam sections respectively correspond to the positions of the four diagonal braces 4, and the diagonal braces 4 are respectively fixed to the beam sections at the corresponding positions by means of the first fixing assembly 5.

[0031] The specific construction process of the reinforcement structure of this embodiment is as follows: the reinforcement structure includes four parts: the diagonal brace 4, the first anchor plate 51, the first fastener 52, and the gusset plate 31. The gusset plate 31 is used as a fixing position for the diagonal brace 4 at the column 1, and the first anchor plate 51 is used as a fixing position for the diagonal brace 4 at the beam 21. The first fastener 52 is a chemical anchor bolt, which together play the role of reinforcing the column pile and improving the strength of the column pile; the gusset plate 31 is an arc-shaped steel plate, and the two arc-shaped steel plates are welded together on the periphery of the column 1. The welding method is full welding, in which the two arc-shaped steel plates are combined to form a closed full circle, and the inner diameter of the full circle is the same as that of the inner diameter of the whole circle. The diameters of the column piles are consistent, ensuring that the gusset plate 31 is firmly welded and fixed to the column 1; the diagonal brace 4 is an I-beam segment, and four I-beam segments are welded around the periphery of the arc-shaped steel plate. The other end of the I-beam segment, i.e., the diagonal brace 4, is connected to the beam 21 with the help of the first anchor plate 51 and the chemical anchor bolt. The diagonal brace 4 is welded to the first anchor plate 51, and the first anchor plate 51 is fixed to the beam by the chemical anchor bolt to ensure the fixation stability between the anchor plate and the beam; the reinforcement structure is fixed at the column pile, which plays a role in improving the structural strength of the column pile, so that the reinforced support structure can meet the support requirements when the foundation pit is subsequently deepened.

[0032] In this embodiment, by setting diagonal braces 4 distributed at four positions around the column 1, and anchor plates, clip plates 31 and fasteners cooperating with the diagonal braces 4, a reinforcement structure provided on the steel column is provided to improve the structural strength of the column pile and meet the support requirements when the foundation pit is subsequently deepened. Specifically, the installation of each component of the reinforcement structure only requires welding and anchor bolt connection, and no large-scale construction machinery is required to enter the basement. The overall operation is simple, which reduces the construction difficulty. While meeting the strength requirements of the support structure, the construction difficulty and construction period are greatly reduced, saving time and effort; the four diagonal braces 4 are respectively provided at four positions around the column 1, and the diagonal braces 4 are inverted to form a triangular force system with the beam 21 and the column 1, which has an excellent reinforcement effect; the reinforcement structure includes four parts: diagonal braces 4, a first anchor plate 51, a first fastener 52, and a clip plate 31. The production cost is low and the construction cost is reduced.

[0033] Optionally, a plurality of first fasteners 52 are provided at intervals on the first anchor plate 51 to improve the fixing effect between the first anchor plate 51 and the crossbeam 21 .

[0034] Optionally, the diagonal brace 4 is in any one of the following forms: I-beam, box-shaped steel, C-shaped steel. In this embodiment, the diagonal brace can be an I-beam.

[0035] In some embodiments, combined Figure 1 As shown, the two ends of the diagonal brace 4 are respectively connected to the column 1 and the crossbeam 21 to form a triangular structure to improve the stability of the diagonal brace.

[0036] In some embodiments, combined Figure 2As shown, multiple groups of the fixed structures 2 are arranged at intervals along the axial direction of the column 1; the bottom end of the column 1 is connected to the pile body 7, and the diagonal brace 4 is connected to the fixed structure 2 arranged near the pile body 7. The diagonal brace 4 is arranged at the bottom end of the column 1 to effectively reinforce the supporting column to improve the structural strength of the column.

[0037] In some embodiments, combined Figure 7 As shown, a protrusion 53 is provided at the end of the first fastener 52, and the protrusion 53 is welded and fixed to the first anchor plate 51 to ensure that the fastener and the anchor plate are firmly fixed.

[0038] In some embodiments, combined Figure 6 As shown, a nut 54 is screwed onto the periphery of the first fastener 52. The periphery of the first fastener is provided with threads. The nut 54 abuts against the side of the first anchor plate away from the beam, so that the first anchor plate and the first fastener are fixed by bolts to improve the stability of the connection.

[0039] Obviously, the above embodiments are merely examples for the purpose of clarity of explanation and are not intended to limit the implementation methods. Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the present invention.

Claims

1. A steel column reinforcement structure, characterized in that: include: Column (1); A fixed structure (2), wherein the upright column (1) is vertically connected to the fixed structure (2); the fixed structure (2) includes at least one crossbeam (21); A sleeve (3) is sleeved and fixed on the periphery of the column (1); A diagonal brace (4), one end of which is fixed to the sleeve (3) and the other end of which is fixed to the fixed structure (2); A first fixing assembly (5), wherein the diagonal brace (4) is fixed to the crossbeam (21) by means of the first fixing assembly (5); The first fixing assembly (5) comprises a first anchor plate (51) and a first fastener (52), the first anchor plate (51) is fixed to the crossbeam (21) by means of the first fastener (52), and the diagonal brace (4) is fixed to the first anchor plate (51); Wherein, at least two oblique braces (4) are respectively arranged on opposite sides of the column (1) along a first direction, and at least two oblique braces (4) are respectively arranged on opposite sides of the column (1) along a second direction, and the first direction and the second direction form an arbitrary angle.

2. The steel column reinforcement structure according to claim 1, characterized in that: The fixed structure (2) is composed of at least two cross beams (21) connected in a cross-type manner; The intersection position of at least two beams (21) is defined as a first node (6), and the column (1) passes through the first node (6); At least two of the crossbeams (21) are respectively located above the diagonal braces (4), so that the diagonal braces (4) are respectively fixed to the crossbeams (21) at corresponding positions by means of the first fixing assembly (5).

3. The steel column reinforcement structure according to claim 1, characterized in that: The two ends of the diagonal brace (4) are respectively connected to the upright column (1) and the crossbeam (21), forming a triangular structure.

4. The steel column reinforcement structure according to claim 3, characterized in that: A plurality of groups of the fixing structures (2) are arranged at intervals along the axial direction of the column (1); The bottom end of the column (1) is connected to the pile body (7), and the diagonal brace (4) is connected to the fixed structure (2) arranged close to the pile body (7).

5. The steel column reinforcement structure according to any one of claims 1 to 3, characterized in that: The sleeve (3) comprises at least two gusset plates (31), the gusset plates (31) are arc-shaped plates, and at least two of the gusset plates (31) are welded and welded to the periphery of the column (1).

6. The steel column reinforcement structure according to claim 4, characterized in that: The first fastener (52) passes through the first anchor plate (51) and is inserted into the crossbeam (21). An adhesive is provided at the connection position between the first fastener (52) and the crossbeam (21).

7. The steel column reinforcement structure according to claim 6, characterized in that: The end of the first fastener (52) is provided with a protrusion (53), and the protrusion (53) is welded and fixed to the first anchor plate (51); or; A nut (54) is screwed onto the periphery of the first fastener (52), and the nut (54) abuts against the side of the first anchor plate (51) facing away from the crossbeam (21), and is suitable for fixing the first anchor plate (51) and the first fastener (52).

8. The steel column reinforcement structure according to claim 6, characterized in that: A plurality of first fasteners (52) are arranged at intervals on the first anchor plate (51).

9. The steel column reinforcement structure according to any one of claims 1 to 3, characterized in that: The diagonal brace (4) is in any one of the following forms: I-shaped steel, box-shaped steel, or C-shaped steel.

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