GIS switch building assembly type structure

Abstract

The utility model provides a GIS switch building assembly type structure which comprises steel columns, steel beams, outer wallboards, inner wallboards, composite floor slabs, wall beam frameworks and reinforced concrete floors. The steel columns are vertically arranged, and the steel beams which are horizontally arranged are assembled and installed on the steel columns in different directions to form a steel supporting frame body; an external wall panel is assembled and mounted on the outer side of the steel support frame body through a wall beam framework; the inner wall plate is assembled and mounted on the inner side of the steel support frame body; composite floors are assembled on the top surfaces of the steel beams; reinforced concrete floors are anchored at the bottoms of the steel columns. The fabricated steel structure has the following advantages that (1) the main body adopts the fabricated steel structure, the wall bodies adopt the fabricated wall bodies, and the floor slabs adopt the fabricated composite floor slabs, so that the weight is lighter, the influence on hoisting equipment is smaller, and the mounting is quick and convenient; and (2) a special clamping piece is arranged between the inner wall plate and the composite floor, so that the connectivity and stability between the device main body and the assembled wall plate are improved, the stability of the device is further improved, and the assembling convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of hydropower and pumped storage power station assembly type building, and particularly relates to a GIS switch building assembly type structure. BACKGROUND

[0002] The GIS switch building of hydropower and pumped storage power station mainly plays a transmission role, one is that switch devices selectively connect or cut off power facilities of power systems and users' power utilization equipment, and the other is that the power of a power grid is distributed to several or more substations.

[0003] At present, in engineering practice, the main body of the GIS switch building adopts a reinforced concrete frame structure, and the outer wall mainly adopts autoclaved aerated concrete blocks + thermal insulation materials. The reinforced concrete frame structure and the outer wall have the following problems: the construction period of the reinforced concrete frame structure is long, and the weight is too heavy, which is more than 5 times the weight of ordinary lightweight blocks, and the problem of easy falling of the outer wall under the influence of external pressure (such as wind blowing to the outer wall) has not been solved; especially in the cold region, the construction period is relatively short, and due to the reason of winter construction, autoclaved aerated concrete blocks are used, the construction is difficult, the masonry quality is not high, and great hidden dangers are brought to the engineering safety. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects in the prior art, the utility model provides a GIS switch building assembly type structure, which can effectively solve the above problems.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] The utility model provides a GIS switch building assembly type structure, which comprises a steel column (1), a steel beam (2), an outer wall plate (3), an inner wall plate (4), a combined floor (5), a wall beam framework (6) and a reinforced concrete floor (10).

[0007] The steel column (1) is vertically arranged, the steel column (1) is arranged and installed with the horizontally arranged steel beam (2) in different directions to form a steel support frame body, the outer side of the steel support frame body is arranged and installed with the outer wall plate (3) through the wall beam framework (6), the inner side of the steel support frame body is arranged and installed with the inner wall plate (4), the top surface of the steel beam (2) is arranged and installed with the combined floor (5), and the bottom of the steel column (1) is anchored and installed with the reinforced concrete floor (10).

[0008] Preferably, the steel column (1) and the steel beam (2) are fixedly connected through a gasket (7) by high-strength bolts (8).

[0009] Preferably, the outer wall plate (3) adopts a rock wool color steel composite plate, the side edges of adjacent outer wall plates (3) are connected in a butt joint mode, and the end edges of adjacent outer wall plates (3) are connected in a plug-in joint mode.

[0010] Preferably, the outer wall panel (3) is fixed to the wall beam skeleton (6) by self-tapping screws and gaskets (3-5) in a concealed manner; the outer wall panel (3) comprises two layers of thin metal plates (3-1) and a heat-insulating lightweight core material (3-2) filled between the two layers of thin metal plates (3-1);

[0011] The outer wall panel (3) has a protrusion (3-3) at one end and a recess (3-4) at the other end; the protrusion (3-3) and the recess (3-4) between the two outer wall panels (3) are a male-female joint, connected by insertion, and a waterproof sealing glue (3-6) is arranged in the recess of the recess (3-4) for sealing.

[0012] Preferably, the inner wall panel (4) comprises an ALC panel (4-1) and a fiber-reinforced cement decorative wall panel (4-2); the bottom of the ALC panel (4-1) is fixed to the lower layer of the steel beam (2) by penetrating the lower layer of the U-shaped clamping fixture (4-3) with the second anchor bolt (4-4); the top of the ALC panel (4-1) is welded and fixed to the lower part of the upper layer of the steel beam (2) by the upper layer of the U-shaped clamping fixture (4-3), and the top of the ALC panel (4-1) is clamped into the upper layer of the U-shaped clamping fixture (4-3);

[0013] The inner side of the ALC panel (4-1) is pasted with the fiber-reinforced cement decorative wall panel (4-2).

[0014] Preferably, the wall beam skeleton (6) comprises vertical wall columns (6-1) and horizontal wall beams (6-2); the vertical wall columns (6-1) and the horizontal wall beams (6-2) are fixed by connecting pieces (6-3).

[0015] Preferably, the composite floor slab (5) and the steel beam (2) are connected by bolts (9).

[0016] Preferably, the composite floor slab (5) comprises a composite profiled steel sheet (5-1), a composite floor slab concrete (5-2), reinforcing bars (5-3), and a finished floor (5-4);

[0017] In order from bottom to top, the composite profiled steel sheet (5-1), the composite floor slab concrete (5-2), and the finished floor (5-4) are arranged in sequence; in the composite floor slab concrete (5-2), a plurality of reinforcing bars (5-3) are arranged;

[0018] The top of the bolt (9) is poured into the composite floor slab concrete (5-2), and the bottom of the bolt (9) penetrates the composite profiled steel sheet (5-1) and is welded to the upper wing of the steel beam (2).

[0019] Preferably, the steel column (1) and the reinforced concrete floor (10) are fixedly connected by the first anchor bolt (11).

[0020] Preferably, the reinforced concrete floor (10) comprises a first cast reinforced concrete (10-1) located at a lower layer and a second cast reinforced concrete (10-2) located at an upper layer.

[0021] The first cast reinforced concrete (10-1) has a reserved hole and is engagedly connected with the second cast reinforced concrete (10-2).

[0022] The reinforced concrete floor (10) has a plurality of the first anchor bolt (11) at corresponding positions.

[0023] The bottom of the steel column (1) has a steel column base plate (1-1); the steel column base plate (1-1) is located at the top surface of the reinforced concrete floor (10), and the steel column base plate (1-1) is provided with a plurality of mounting holes for the first anchor bolt (11) to pass through.

[0024] After the top of each first anchor bolt (11) passes through the corresponding mounting hole, a gasket (11-1) is assembled and fastened by a nut (11-2), so as to realize the connection and fixation of the steel column (1) and the reinforced concrete floor (10).

[0025] The GIS switch building assembly structure provided by the utility model has the following advantages:

[0026] (1) The main body adopts an assembly type steel structure, the wall body adopts an assembly type wall body, and the floor slab adopts an assembly type combined floor slab, all of which have lighter weight, smaller influence on hoisting equipment, and fast and convenient installation.

[0027] (2) Special clamping pieces are arranged between the inner wall plate and the combined floor slab, so that the connectivity and stability between the device main body and the assembled wall plate are improved, the stability of the device is further improved, and the convenience of assembly is improved.

[0028] (3) The outer wall plate has high material strength, long service life, high recycling rate, flexible assembly and seamless butt joint. The outer wall plate is assembled on the wall beam framework, the outer wall plate is connected with the main body structure, the outer wall plates are connected in plug-in mode, and waterproof sealant jointing materials are filled in the outer wall plate joint seams and plate seam gaps, so that the basic partition air tightness, water tightness and heat preservation capacity are met, the function of the peripheral enclosure wall is met, good wind pressure resistance and deformation resistance are achieved, and the generation of cracks in use is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 The utility model provides a cross section schematic view of GIS switch building assembly type outer wall.

[0030] Figure 2 The utility model provides a GIS switch building assembly type outer wall's plane schematic view;

[0031] Figure 3 The utility model provides Figure 1 Detail view of node A;

[0032] Figure 4 The utility model provides Figure 3 B-B section view of node;

[0033] Figure 5 The utility model provides the connecting node schematic view of outer wall board;

[0034] Figure 6 The utility model provides the column foot axle side view of steel column;

[0035] Figure 7 The utility model provides the connecting node schematic view of steel column and reinforced concrete floor;

[0036] Figure 8 The utility model provides the schematic diagram of anchor bolt.

[0037] Among them:

[0038] Steel column 1, steel beam 2, outer wall board 3, inner wall board 4, combined floor 5, wall beam skeleton 6, pad plate 7, high-strength bolt 8, bolt 9, reinforced concrete floor 10, first anchor bolt 11;

[0039] Steel column foot bottom plate 1-1, main steel beam 2-1, secondary steel beam 2-2, thin metal plate 3-1, heat-insulating light core material 3-2, lug 3-3, recess 3-4, self-tapping screw and gasket 3-5, through-length waterproof sealing glue 3-6, ALC board 4-1, fiber-reinforced cement decorative wall board 4-2, U-shaped clamping part 4-3, second anchor bolt 4-4, combined profiled steel plate 5-1, combined floor concrete 5-2, reinforcing bar 5-3, decorated floor 5-4, vertical wall column 6-1, horizontal wall beam 6-2, connecting part 6-3, first pouring reinforced concrete 10-1, secondary pouring reinforced concrete 10-2, gasket 11-1, nut 11-2. DETAILED DESCRIPTION

[0040] In order to make the technical problem, technical scheme and beneficial effect solved by the utility model more clearly understood, the following in combination with the drawings and examples, the utility model is further described in detail.It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0041] The utility model provides a kind of GIS switch building assembly structure, it is a kind of assembly structure with better heat preservation, fireproof effect and high overall strength, convenient construction.

[0042] The GIS switch building main body provided by the utility model adopts assembly type steel structure, wall body adopts assembly type wall body, floor slab adopts assembly type composite floor slab, all have lighter weight, less influence on hoisting equipment, and installation is quick and convenient.Specific clamping pieces are arranged between inner wallboard and composite floor slab, the connectivity and stability between device main body and assembled wallboard are improved, and then the stability of the device is improved, and the convenience of assembly is improved.The material strength of outer wallboard is high, service life is long, recovery rate is high, assembly is flexible, and can be seamlessly butt-jointed;Outer wallboard is assembled on steel skeleton, so that outer wallboard is connected with main body structure, outer wallboard is connected by insertion, and waterproof sealant jointing material is filled in outer wallboard joint and plate gap gap, meet the function of outer peripheral wall, have good wind pressure resistance, deformation resistance, reduce the generation of crack in use.The utility model has simple and convenient assembly mode, less time consumption of manual work, and high economic benefit.

[0043] Referring to Figures 1-2 The utility model provides a kind of GIS switch building assembly structure, including steel column 1, steel beam 2, outer wallboard 3, inner wallboard 4, composite floor slab 5, wall beam skeleton 6 and reinforced concrete floor 10;

[0044] Steel column 1 is vertically arranged, and steel column 1 is assembled and installed with horizontally arranged steel beam 2 in different directions, to form steel support frame;The outer side of steel support frame is assembled and installed with outer wallboard 3 through wall beam skeleton 6;The inner side of steel support frame is assembled and installed with inner wallboard 4;The top surface of steel beam 2 is assembled and installed with composite floor slab 5;The bottom of steel column 1 is anchored and installed with reinforced concrete floor 10.

[0045] The following detailed introduction is made to each structure:

[0046] (I) steel support frame and wall beam skeleton 6:

[0047] Steel column 1 and steel beam 2 are fixedly connected by high-strength bolt 8 through gasket 7.Steel beam 2 includes main steel beam 2-1 and secondary steel beam 2-2, and main steel beam 2-1 plays a main supporting role, and secondary steel beam 2-2 is mainly used for assembling composite floor slab 5.

[0048] In practical application, the steel column 1 is made of Q345, adopts HW400X400X13X21, and is sprayed with 3mm thick expanded ultra-thin fire material; the main steel beam 2-1 and the secondary steel beam 2-2 are both made of Q345, and are sprayed with 3mm thick expanded ultra-thin fire material; the main steel beam 2-1 adopts H-type steel H750X300X16X18, and the secondary steel beam 2-2 adopts H-type steel H520X200X10X12. The high-strength bolt 8 adopts M20X22mm. The gusset plate 7 adopts Q345 steel plate.

[0049] The wall beam framework 6 comprises vertical wall columns 6-1 and horizontal wall beams 6-2; the vertical wall columns 6-1 and the horizontal wall beams 6-2 are fixed by connecting pieces 6-3, so as to ensure the structural strength of the wall beam framework 6 and have the advantage of convenient construction.

[0050] (II) The outer wall panel 3 and the assembly structure:

[0051] Referring to Figure 5 , the outer wall panel 3 adopts rock wool color steel composite panel, and the side edges of adjacent outer wall panels 3 are connected by abutting connection; the end edges of adjacent outer wall panels 3 are connected by inserting connection. Specifically, the outer wall panel 3 is arranged transversely, and the width is 1000mm, and the length is designed according to the layout customization.

[0052] The outer wall panel 3 is fixed in a hidden manner with the wall beam framework 6 through self-tapping screws and gaskets 3-5;

[0053] The outer wall panel 3 comprises two layers of thin metal plates 3-1 and heat-insulating lightweight core materials 3-2 filled between the two layers of thin metal plates 3-1. The thin metal plates 3-1 and the heat-insulating lightweight core materials 3-2 are combined into an integral composite panel by a certain forming process. The composite panel has high strength, light weight, good processability and incombustibility. The heat-insulating lightweight core material 3-2 adopts rock wool strip, and the thickness is not less than 80mm, and the hydrophobic rate is ≥98%.

[0054] One end of the outer wall panel 3 is a protrusion 3-3, and the other end is a recess 3-4; the protrusion 3-3 and the recess 3-4 between two outer wall panels 3 are a male and female joint, and are connected by inserting connection, and a waterproof sealing glue 3-6 is arranged in the recess of the recess 3-4 for sealing.

[0055] (III) The inner wall panel 4 and the assembly structure:

[0056] The inner wall panel 4 comprises an ALC panel 4-1 and a fiber-reinforced cement decorative wall panel 4-2; the bottom of the ALC panel 4-1 is fixed on the lower layer of steel beam 2 through the second anchor 4-4 penetrating the lower layer of U-shaped clamping piece 4-3; the top of the ALC panel 4-1 is welded and fixed with the lower part of the upper layer of steel beam 2 through the upper layer of U-shaped clamping piece 4-3, and the top of the ALC panel 4-1 is clamped into the upper layer of U-shaped clamping piece 4-3;

[0057] The inner side of the ALC plate 4-1 is pasted with a fiber-reinforced cement decorative wallboard 4-2, instead of a traditional white inorganic paint.

[0058] The ALC plate 4-1 is a high-performance building material with the advantages of light weight, fire resistance, sound insulation, etc. The ALC plate 4-1, which is full name of autoclaved lightweight aerated concrete partition wallboard, is a kind of multi-porous concrete product made of silica sand, cement, lime as the main raw material, reinforced with rust-proof treated steel, and formed through high temperature, high pressure and steam curing. This material not only has light weight, excellent fire resistance and sound insulation performance, but also can well keep warm and insulate heat, and is suitable for building requirements under various climate conditions. Due to its light weight and high strength, it can effectively reduce the self-weight of the building, thereby reducing the foundation cost. It is not only suitable for buildings in cold regions with high thermal insulation requirements, but also suitable for regions with high heat insulation requirements, meeting the requirements of energy saving standards; the ALC plate also has the characteristics of fire resistance, durability, frost resistance, etc., and is a green, economical and convenient building material.

[0059] (Four) composite floor 5 and assembly structure:

[0060] The composite floor 5 and the steel beam 2 are connected by bolts 9. The overlap length of the composite floor 5 and the steel beam 2 is not less than 50 mm. The spacing of the bolts 9 is not greater than 400 mm, and the bolts 9 penetrate the composite profiled steel plate 5-1 and are welded with the upper wing of the steel beam 2 to form an integral body. The bolt 9 adopts M16X120 mm.

[0061] Referring to Figure 3 and Figure 4 , the composite floor 5 includes a composite profiled steel plate 5-1, a composite floor concrete 5-2, a reinforcement 5-3 and a decorated floor 5-4;

[0062] In order from bottom to top, the composite profiled steel plate 5-1, the composite floor concrete 5-2 and the decorated floor 5-4 are arranged in sequence; in the composite floor concrete 5-2, a plurality of reinforcements 5-3 are arranged;

[0063] The upper wing of the steel beam 2 and the bottom surface of the composite profiled steel plate 5-1 are in contact; the top of the bolt 9 is poured into the composite floor concrete 5-2, and the bottom of the bolt 9 penetrates the composite profiled steel plate 5-1 and is welded with the upper wing of the steel beam 2.

[0064] In practical application, the composite profiled steel plate 5-1 selects YX51-250-750 with a thickness of 1.2 mm. The concrete grade of the composite floor concrete 5-2 adopts C30, and the thickness of the steel bar protective layer is 20 mm. The reinforcement 5-3 adopts The decorated floor 5-4 is any one of fine stone concrete surface layer, cement mortar surface layer, ceramic tile surface layer, granite surface layer, etc.

[0065] (Five) reinforced concrete floor 10 and assembly structure:

[0066] Referring to Figures 6-8 The steel column 1 and the reinforced concrete floor 10 are fixedly connected by the first anchor bolt 11.

[0067] The reinforced concrete floor 10 comprises first-time pouring reinforced concrete 10-1 located at a lower layer and second-time pouring reinforced concrete 10-2 located at an upper layer.

[0068] The first-time pouring reinforced concrete 10-1 has a reserved hole 150X150X100mm (lengthXwidthXdepth) and is engagedly connected with the second-time pouring reinforced concrete 10-2.

[0069] The reinforced concrete floor 10 has a plurality of first anchor bolts 11 at corresponding positions; the first anchor bolt 11 is a buried part in the reinforced concrete floor 10; the first anchor bolt 11 adopts M56X1000mm.

[0070] The bottom of the steel column 1 has a steel column footing bottom plate 1-1; the steel column footing bottom plate 1-1 is located at the top surface of the reinforced concrete floor 10, and the steel column footing bottom plate 1-1 is provided with a plurality of mounting holes for the first anchor bolt 11 to pass through, for example, no less than 6 mounting holes.

[0071] The top of each first anchor bolt 11 passes through the corresponding mounting hole, a gasket 11-1 is assembled, and a nut 11-2 is fastened to realize the connection and fixation of the steel column 1 and the reinforced concrete floor 10.

[0072] In actual application, the gasket 11-1 adopts a steel plate 70X70X16 (lengthXwidthXthickness) mm, and the steel column footing bottom plate 1-1 adopts 690X490X36 (lengthXwidthXthickness) mm. The gasket 11-1 and the steel column footing bottom plate 1-1 are coordinately screwed up and down by the nut 11-2.

[0073] The GIS switch floor assembly type structure has the following advantages:

[0074] (1) The main body adopts an assembly type steel structure, the wall body adopts an assembly type wall body, and the floor slab adopts an assembly type combined floor slab, all of which have lighter weight, smaller influence on hoisting equipment, and fast and convenient installation.

[0075] (2) Special clamping pieces are arranged between the inner wall plate and the combined floor slab, the connectivity and stability between the device main body and the assembled wall plate are improved, the stability of the device is further improved, and the convenience of assembly is improved.

[0076] (3) The outer wall plate material has high strength, long service life, high recovery rate, flexible assembly and can be seamlessly connected. The outer wall plate is assembled on the wall beam skeleton, the outer wall plate is connected with the main structure, the outer wall plates are connected by insertion, and the waterproof sealing glue jointing material is filled in the jointing part of the outer wall plate and the gap of the plate joint, so that the basic partition air tightness, water tightness and heat preservation capacity are met, the function of the outer peripheral wall is met, the wind pressure resistance and deformation resistance are good, and the crack generation in use is reduced.

[0077] The above only describes the preferred embodiments of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application.

Claims

1. A GIS switch building assembled structure, characterized in that: The steel column (1), the steel beam (2), the outer wall panel (3), the inner wall panel (4), the composite floor (5), the wall beam framework (6) and the reinforced concrete floor (10) are included. The steel column (1) is vertically arranged, the steel column (1) is assembled and installed with the horizontally arranged steel beam (2) in different directions to form a steel support frame, the outer side of the steel support frame is assembled and installed with the outer wall panel (3) through the wall beam framework (6), the inner side of the steel support frame is assembled and installed with the inner wall panel (4), the top surface of the steel beam (2) is assembled and installed with the composite floor (5), and the bottom of the steel column (1) is anchored and installed with the reinforced concrete floor (10).

2. The GIS switchgear assembly of claim 1, wherein, The steel column (1) and the steel beam (2) are fixedly connected through the gasket (7) by high-strength bolts (8).

3. The GIS switchgear assembly of claim 1, wherein, The outer wall panel (3) is made of rock wool color steel composite board, and the adjacent outer wall panels (3) are connected through slot connection between the side edges of the panels and through plug-in connection between the end edges of the panels.

4. The GIS switchgear assembly of claim 3, wherein, The outer wall panel (3) is fixedly connected with the wall beam framework (6) in a hidden mode through self-tapping screws and gaskets (3-5), and the outer wall panel (3) includes two layers of thin metal plates (3-1) and heat-insulating lightweight core materials (3-2) filled between the two layers of thin metal plates (3-1). One end of the outer wall panel (3) is a protrusion (3-3), and the other end is a recess (3-4); the protrusion (3-3) and the recess (3-4) between two outer wall panels (3) are a female and male joint, and are plug-in connected, and a waterproof sealing glue (3-6) is arranged in the recess of the recess (3-4) to seal.

5. The GIS switchgear assembly of claim 1, wherein, The inner wall panel (4) includes an ALC panel (4-1) and a fiber-reinforced cement decorative wall panel (4-2); the bottom of the ALC panel (4-1) is fixed on the lower layer of the steel beam (2) through the second anchor bolt (4-4) penetrating the lower layer of the U-shaped clamping fixture (4-3); the top of the ALC panel (4-1) is fixedly connected with the lower part of the upper layer of the steel beam (2) through the upper layer of the U-shaped clamping fixture (4-3), and the top of the ALC panel (4-1) is clamped into the upper layer of the U-shaped clamping fixture (4-3); The inner side of the ALC panel (4-1) is pasted with the fiber-reinforced cement decorative wall panel (4-2).

6. The GIS switchgear assembly of claim 1, wherein, The wall beam framework (6) includes vertical wall columns (6-1) and horizontal wall beams (6-2); the vertical wall columns (6-1) and the horizontal wall beams (6-2) are fixedly connected through connecting pieces (6-3).

7. The GIS switchgear assembly of claim 1, wherein, The composite floor (5) and the steel beam (2) are connected through bolts (9).

8. The GIS switchgear assembly of claim 7, wherein, The composite floor (5) includes a composite profiled steel sheet (5-1), a composite floor concrete (5-2), a reinforcing bar (5-3) and a decorated floor (5-4); From bottom to top, the composite profiled steel sheet (5-1), the composite floor concrete (5-2) and the decorated floor (5-4) are sequentially arranged; a plurality of reinforcing bars (5-3) are arranged in the composite floor concrete (5-2). The upper wing of the steel beam (2) is in contact with the bottom surface of the composite profiled steel sheet (5-1); the top of the bolt (9) is cast in the composite floor concrete (5-2), and the bottom of the bolt (9) passes through the composite profiled steel sheet (5-1) and is welded with the upper wing of the steel beam (2).

9. The GIS switchgear assembly of claim 1, wherein, The steel column (1) and the reinforced concrete floor (10) are fixedly connected by the first anchor bolt (11).

10. The GIS switchgear assembly of claim 9, wherein, The reinforced concrete floor (10) comprises a first cast reinforced concrete (10-1) at the lower layer and a second cast reinforced concrete (10-2) at the upper layer. The first cast reinforced concrete (10-1) has a reserved hole and is in engagement with the second cast reinforced concrete (10-2); The inside of the reinforced concrete floor (10) has a plurality of the first anchor bolts (11) at the corresponding positions; The bottom of the steel column (1) has a steel column base plate (1-1); the steel column base plate (1-1) is located on the top surface of the reinforced concrete floor (10), and the steel column base plate (1-1) is provided with a plurality of mounting holes for the first anchor bolts (11) to pass through; After the top of each first anchor bolt (11) passes through the corresponding mounting hole, a gasket (11-1) is assembled and fastened by a nut (11-2), so as to realize the connection and fixation of the steel column (1) and the reinforced concrete floor (10).

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