Oblique box type steel column construction structure

Abstract

The utility model provides an inclined box-shaped steel column construction structure which comprises a box-shaped steel column temporary supporting frame arranged on a floor, a box-shaped steel column is hoisted and installed through a crane, and the box-shaped steel column temporary supporting frame comprises I-shaped steel arranged on the floor, a plurality of steel pipe columns arranged on the I-shaped steel and inner supports connected among the steel pipe columns. Column top assemblies are arranged on the steel pipe columns, the bottoms of the box-shaped steel columns are hinged to the concrete columns, the side edges of the tops of the box-shaped steel columns are attached to the column top assemblies, and embedded steel plates are arranged on the tops of the concrete columns. The utility model solves the problem of installation and positioning of the inclined box type steel column, improves the positioning accuracy of the embedded part, and reduces the installation difficulty of the steel structure keel.

Description

Technical Field

[0001] The utility model relates to the field of installation and positioning construction of super-long oblique box-shaped steel columns, in particular to an oblique box-shaped steel column construction structure. Background Art

[0002] With the development of economy and society, some cities have begun to build complex public buildings such as large theaters. Due to the irregular arrangement of the structural system and the large number of rods, the available construction site is small, and a roof is set on the top of the public building. During the construction of the roof, box-type steel columns need to be constructed. The box-type steel columns are set on the top of the concrete columns. The construction quality of the box-type steel columns is one of the key processes of the entire roof construction.

[0003] The following difficulties are encountered in the construction of box-type steel columns: (1) How to improve the construction accuracy of the embedded parts of the box-type steel column base; (2) How to adjust the posture of the box-type steel column during construction; (3) How to reduce the construction difficulty and improve the construction quality when installing the keel between the box-type steel columns. Utility Model Content

[0004] The utility model aims to provide an oblique box-shaped steel column construction structure which can solve the above technical problems.

[0005] In order to solve the above technical problems, the utility model provides an inclined box-type steel column construction structure, including a temporary support frame for box-type steel columns arranged on the floor, the box-type steel columns are installed by crane lifting, the temporary support frame for the box-type steel columns includes an I-beam arranged on the floor, a plurality of steel pipe columns arranged on the I-beam, and an inner support connected between the plurality of steel pipe columns, a column top assembly is arranged on the steel pipe column, the bottom of the box-type steel column is hinged to the concrete column, the top side of the box-type steel column is fitted with the column top assembly, and a pre-buried steel plate is arranged on the top of the concrete column.

[0006] Furthermore, the embedded steel plate includes lifting ears, track steel and embedded reinforcement, wherein lifting ears are arranged around the embedded steel plate, track steel is arranged on the embedded steel plate, ear plates are arranged on the sides of the steel formwork, the embedded reinforcement is used to connect the embedded steel plate with the main reinforcement of the concrete column, and vibration holes are arranged on the embedded steel plate; grooves and pin holes are arranged on the support, and the steel track is installed in the groove.

[0007] Furthermore, a plurality of keels are arranged between two adjacent box-shaped steel columns, a crossbeam is arranged between the tops of two adjacent box-shaped steel columns, and the keels are installed through a fixing frame.

[0008] Furthermore, the lifting ear and the ear plate are connected by a screw rod, and the lifting ear and the screw rod, and the ear plate and the screw rod are fixed by bolts.

[0009] Furthermore, the column top assembly includes triangular steel, jack block, movable block, platform steel plate, and micro jack. The platform steel plate is placed on multiple steel pipe columns. The triangular steel is connected to the platform steel plate. The two sides of the jack block are respectively connected to the platform steel plate and the triangular block. The micro jack is placed between the jack block and the movable block. The movable block and the triangular steel are hinged so that when the micro jack pushes the movable block, the movable block rotates and tilts relative to the triangular steel.

[0010] Furthermore, a steel brace is arranged on the steel pipe column near one side of the box-type steel column, and a guy rope is arranged on the top of the steel pipe column, one end of the guy rope is connected to the steel pipe column, and the other end is connected to the floor.

[0011] Furthermore, the fixing frame includes two sections of structures arranged opposite to each other, and a connecting piece is arranged at the connection of the two sections of the structure, and a connecting hole is arranged on the fixing frame so that the connecting piece is placed in the connecting hole.

[0012] Furthermore, a plurality of flexible head jacks are circumferentially arranged on the inner side of the fixed frame, and the flexible head jacks are located between the fixed frame and the box-shaped steel column, and flexible heads are arranged on the flexible jacks so that the flexible heads are against the sides of the box-shaped steel column.

[0013] Furthermore, a keel installation platform is provided on one side of the fixing frame, a telescopic device and an arc frame are provided on the keel installation platform, and the keel is placed on the arc frame.

[0014] The beneficial effects of the utility model are:

[0015] 1. When temporarily fixing the embedded steel plate, make full use of the installed steel formwork, adjust the elevation by sliding the screw rod, and double-insure the positioning of the embedded steel plate, thereby improving the construction accuracy of the embedded steel plate.

[0016] 2. The support is set on the embedded steel plate through the track steel, which realizes the precise positioning of the support.

[0017] 3. A column top assembly is set on the top of the temporary support to realize the position adjustment of the box-type steel column during construction, avoid secondary lifting construction, reduce construction difficulty, and speed up construction progress.

[0018] 4. A plurality of jacks with flexible heads are arranged between the fixed frame and the box-shaped steel column, so as to realize the movement of the fixed frame on the box-shaped steel column. A keel installation platform is arranged on the fixed frame, so as to reduce the positioning problem during the keel installation, reduce the construction difficulty and speed up the construction progress. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the construction of the embedded steel plate of the utility model;

[0020] Figure 2 It is a schematic diagram of the embedded steel plate;

[0021] Figure 3 is a schematic diagram of the support structure;

[0022] Figure 4 This is a schematic diagram of the construction of box-type steel columns;

[0023] Figure 5 It is the cross-section of box-type steel column;

[0024] Figure 6 It is a schematic diagram of the structure of the column top assembly;

[0025] Figure 7 is a schematic diagram of the fixing frame;

[0026] Figure 8 It is a schematic diagram of a movable jack;

[0027] Fig. 9 is a three-dimensional schematic diagram of the fixing frame;

[0028] Fig.10 This is a schematic diagram of the installation of the inter-column keel;

[0029] Among them: 1-floor, 2-I-beam, 3-steel pipe column, 4-steel diagonal brace, 5-inner brace, 6-column top assembly, 7-box steel column, 8-wind rope, 9-concrete column, 10-jack block, 11-triangular steel, 12-movable block, 13-platform steel plate, 14-mini jack, 15-embedded steel plate, 16-support, 17-crossbeam, 18-steel formwork, 19-ear plate, 20 - Sliding rod, 21- lifting ear, 22- bolt, 23- track steel, 24- embedded reinforcement, 25- main reinforcement of concrete column, 26- vibrating hole, 27- support, 28- groove, 29- pin hole, 30- keel, 31- fixing frame, 32- active head jack, 33- keel mounting platform, 34- arc frame, 35- telescopic device, 36- active head, 37- connecting hole, 38- connecting piece. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0031] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the above terms should not be understood as limiting the present invention.

[0032] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0033] like Figure 1-10 As described above, the utility model provides an inclined box-shaped steel column construction structure, through which the inclined box-shaped steel column construction structure can be constructed to obtain the inclined box-shaped steel column.

[0034] In the specific construction process, the following steps can be taken:

[0035] Step 1, construction of embedded parts; when constructing the concrete column 9, the embedded steel plate 15 is constructed. The embedded steel plate 15 includes a lifting lug 21, a track steel 23, and an embedded rib 24, wherein the lifting lug 21 is arranged around the embedded steel plate 15, the track steel 23 is arranged on the embedded steel plate 15, and the ear plate 19 is arranged on the side of the steel template 18, so that the lifting lug 21 and the ear plate 19 are connected by a screw rod 20, and the lifting lug 21 and the screw rod 20, and the ear plate 19 and the screw rod 20 are fixed by tightening bolts 22, the embedded rib 24 is used for welding the embedded steel plate 15 and the main rib 25 of the concrete column, and the embedded steel plate 15 is provided with a vibration hole 26.

[0036] Among them, the steel formwork 18 is arranged around the outer periphery of the main reinforcement 25 of the concrete column, so that the height of the embedded steel plate 15 can be adjusted by rotating the screw rod 20, thereby adjusting the height of the embedded reinforcement 24, and after fixing the screw rod 20 by the bolt 22, the embedded reinforcement 24 is connected to the main reinforcement 25 of the concrete column.

[0037] Step 2: Install the hinged support; a groove 28 and a latch hole 29 are provided on the support 27 , and the steel rail 23 is installed in the groove 28 .

[0038] Specifically, the support 27 can move along the steel track 23 through the cooperation between the steel track 23 and the groove 28 .

[0039] Step 3, hoisting of box-type steel columns; a temporary support frame for box-type steel columns is set on the floor 1, and the box-type steel columns 7 are hoisted and installed by a crane. The temporary support frame for box-type steel columns includes an I-beam 2 set on the floor 1, a plurality of steel pipe columns 3 set on the I-beam 2, and an inner support 5 welded between the plurality of steel pipe columns 3. A column top assembly 6 is set on the steel pipe column 3, and the column top assembly 6 includes a triangular steel 11, a jack block 10, a movable block 12, a platform steel plate 13, and a miniature jack 14. The platform steel plate 13 is placed on the plurality of steel pipe columns 3, the triangular steel 11 is welded to the platform steel plate 13, and the two sides of the jack block 10 are respectively connected to the platform steel plate 1 3. The triangular stopper 11 is welded, and the miniature jack 14 is placed between the jack stopper 10 and the movable stopper 12. The movable stopper 12 and the triangular steel 11 are hinged so that when the miniature jack 14 pushes the movable stopper 12, the movable stopper 12 rotates and tilts relative to the triangular steel 11. A steel brace 4 is arranged on the steel pipe column 3 close to the side of the box-type steel column 7, and a cable wind rope 8 is arranged on the top of the steel pipe column 3. One end of the cable wind rope 8 is connected to the steel pipe column 3, and the other end is connected to the floor 1. The bottom of the box-type steel column 7 is hinged to the concrete column 9, and the top side of the box-type steel column 7 fits the column top assembly 6. An embedded steel plate 15 is arranged on the top of the concrete column 9.

[0040] Among them, the embedded steel plate 15 is connected to the support 27 through the track steel 23, and the box-type steel column 7 is inserted into the support 27, so that the pin passes through the pin hole 29 on one side, the box-type steel column 7 and the pin hole 29 on the other side in sequence, so that the box-type steel column 7 is hingedly connected to the support 27 through the pin, and then the bottom of the box-type steel column 7 is hinged to the concrete column 9.

[0041] It is worth mentioning that the concrete column 9 is formed by pouring concrete on the concrete column main reinforcement 25 so that the embedded steel plate 15 is located on the top of the concrete column 9 .

[0042] Step 4, installation of steel structure keel; a plurality of keels 30 are arranged between two adjacent box-shaped steel columns 7, a crossbeam 17 is arranged between the tops of two adjacent box-shaped steel columns 7, the keel 30 is installed through a fixing frame 31, the fixing frame 31 includes two sections of structure arranged opposite to each other, and a connecting piece 38 is arranged at the connection of the two sections of structure, a connecting hole 37 is arranged on the fixing frame 31, so that the connecting piece 38 is in the connecting hole 37, a plurality of active head jacks 32 are arranged along the circumferential direction on the inner side of the fixing frame 31, and the active head jack 32 is located between the fixing frame 31 and the box-shaped steel column 7, an active head 36 is arranged on the active jack 32, so that the active head 36 is against the side of the box-shaped steel column 7, a keel installation platform 33 is arranged on one side of the fixing frame 31, a telescopic device 35 and an arc frame 34 are arranged on the keel installation platform 33, the keel 30 is placed on the arc frame 34, and the precise positioning of the keel 30 is achieved by adjusting the telescopic device 35.

[0043] Among them, the telescopic device 35 can adopt a hydraulic telescopic rod, and the two ends of the keel 30 are respectively placed on the arc frame 34 on the sides of the two adjacent box-shaped steel columns 7, so that the telescopic device 35 can adjust the height of the two ends of the keel 30 to ensure that the keel 30 is in a horizontal position between the two adjacent box-shaped steel columns 7.

[0044] The present utility model is not limited to the above-mentioned optimal implementation mode. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all those having the same or similar technical solutions as the present application fall within the protection scope of the present utility model.

Claims

1. An oblique box-type steel column construction structure, characterized in that: The invention comprises a temporary support frame of a box-shaped steel column arranged on a floor (1), wherein the box-shaped steel column (7) is hoisted and installed by a crane, wherein the temporary support frame of the box-shaped steel column comprises an I-beam (2) arranged on the floor (1), a plurality of steel pipe columns (3) arranged on the I-beam (2), and an inner support (5) connected between the plurality of steel pipe columns (3), a column top assembly (6) is arranged on the steel pipe column (3), the bottom of the box-shaped steel column (7) is hinged to the concrete column (9), the top side of the box-shaped steel column (7) is fitted with the column top assembly (6), and a pre-buried steel plate (15) is arranged on the top of the concrete column (9).

2. The oblique box-shaped steel column construction structure according to claim 1 is characterized in that: The embedded steel plate (15) comprises a lifting lug (21), a track steel (23), and an embedded rib (24), wherein the lifting lug (21) is arranged around the embedded steel plate (15), the track steel (23) is arranged on the embedded steel plate (15), an ear plate (19) is arranged on the side of the steel template (18), the embedded rib (24) is used to connect the embedded steel plate (15) and the main rib (25) of the concrete column, and a vibration hole (26) is arranged on the embedded steel plate (15); a groove (28) and a pin hole (29) are arranged on the support (27), and the track steel (23) is installed in the groove (28).

3. The oblique box-shaped steel column construction structure according to claim 1 is characterized in that: A plurality of keels (30) are arranged between two adjacent box-shaped steel columns (7), a crossbeam (17) is arranged between the tops of two adjacent box-shaped steel columns (7), and the keels (30) are installed through a fixing frame (31).

4. The oblique box-shaped steel column construction structure according to claim 2 is characterized in that: The lifting ear (21) and the ear plate (19) are connected via a screw rod (20), and the lifting ear (21) and the screw rod (20), as well as the ear plate (19) and the screw rod (20) are fixed via bolts (22).

5. The oblique box-shaped steel column construction structure according to claim 1 is characterized in that: The column top assembly (6) comprises a triangular steel (11), a jack block (10), a movable block (12), a platform steel plate (13), and a micro jack (14). The platform steel plate (13) is placed on a plurality of steel pipe columns (3). The triangular steel (11) is connected to the platform steel plate (13). Both sides of the jack block (10) are respectively connected to the platform steel plate (13) and the triangular steel (11). The micro jack (14) is placed between the jack block (10) and the movable block (12). The movable block (12) and the triangular steel (11) are hinged so that when the micro jack (14) pushes the movable block (12), the movable block (12) rotates and tilts relative to the triangular steel (11).

6. The oblique box-shaped steel column construction structure according to claim 1 is characterized in that: A steel brace (4) is arranged on the steel pipe column (3) near the box-shaped steel column (7), and a wind rope (8) is arranged on the top of the steel pipe column (3). One end of the wind rope (8) is connected to the steel pipe column (3), and the other end is connected to the floor (1).

7. The oblique box-shaped steel column construction structure according to claim 3 is characterized in that: The fixing frame (31) comprises two sections of structures arranged opposite to each other, and a connecting piece (38) is arranged at the connection of the two sections of the structure. A connecting hole (37) is arranged on the fixing frame (31) so that the connecting piece (38) is located in the connecting hole (37).

8. The oblique box-shaped steel column construction structure according to claim 7 is characterized in that: A plurality of movable head jacks (32) are arranged along the circumferential direction on the inner side of the fixed frame (31), and the movable head jacks (32) are located between the fixed frame (31) and the box-shaped steel column (7). An movable head (36) is arranged on the movable head jacks (32) so that the movable head (36) abuts against the side of the box-shaped steel column (7).

9. The oblique box-shaped steel column construction structure according to claim 8 is characterized in that: A keel mounting platform (33) is arranged on one side of the fixing frame (31), a telescopic device (35) and an arc frame (34) are arranged on the keel mounting platform (33), and the keel (30) is placed on the arc frame (34).

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