CN114622657B - Steel-wood combined connection system based on sleeve connection - Google Patents

Abstract

The invention relates to a steel-wood composite connection system based on sleeve connection, and belongs to the technical field of building structures. It is composed of multiple sets of steel-wood composite connection nodes, including the corner column node area composed of the upper and lower two sets of steel-wood composite connection nodes, and the upper, lower, left, and right groups of steel-wood composite connection nodes that are relatively spliced together. The node area of the side column is formed. The steel-wood composite connection node includes short wooden beams, long wooden beams, wooden columns, and beam-column connecting devices used to connect the three. The short wooden beams, long wooden beams, and wooden columns are equipped with short wooden beams, I-beams, and wooden columns respectively. The long wooden beam I-beam and wooden column I-beam are equipped with short wooden beam sleeves, long wooden beam sleeves and wooden column sleeves; the beam-column connecting device includes a set between the long wooden beam and the short wooden beam. The connecting device of long and short wooden beams, the connecting device of short wooden beams and columns arranged between short wooden beams and wooden columns, and the connecting device of long wooden beams and columns arranged between long wooden beams and wooden columns.

Description

Steel-wood composite connection system based on sleeve connection

Technical field

The invention relates to a steel-wood composite connection system based on sleeve connection, and belongs to the technical field of building structures.

Background technique

Modular construction refers to dividing the building into several spatial modules. All equipment, pipelines, decoration, and fixed furniture in the modules have been completed, and the exterior decoration can also be completed. These modular components are transported to the construction site and fit together like building blocks. It is a high-end product for construction industrialization and has its own high degree of integrity. It has the characteristics of fast construction speed, seamless module splicing, diverse and accurate formwork component shapes and geometric dimensions, and stable quality.

Contents of the invention

In view of the above-mentioned defects and problems of the prior art, the present invention proposes a steel-wood combined connection system based on sleeve connection to solve the problems of rapid assembly and stable quality.

The present invention adopts the following technical solutions:

The steel-wood composite connection system based on sleeve connection is composed of multiple sets of steel-wood composite connection nodes, including the corner column node area composed of the upper and lower two sets of steel-wood composite connection nodes, and the upper, lower, left, and The four groups of steel-wood composite connection nodes on the right are relatively joined together to form the side column node area; the steel-wood composite connection nodes include short wooden beams, long wooden beams, wooden columns, and beam-column connecting devices for connecting the three.

A short wooden beam I-beam is provided in the short wooden beam, and a short wooden beam sleeve with a short wooden beam sleeve hole is bolted to the end of the short wooden beam; a long wooden beam is installed in the long wooden beam. I-beam, the end of the long wooden beam is sleeved and bolted to a long wooden beam sleeve; the wooden column is provided with a wooden column I-beam, the end of the wooden column is sleeved and bolted to the wooden column sleeve;

The beam-column connecting device includes a long and short wooden beam connecting device arranged between a long wooden beam and a short wooden beam, a short wooden beam and a column connecting device arranged between a short wooden beam and a wooden column, and a connecting device between a long wooden beam and a wooden column. Long wooden beams and column connecting devices between wooden columns; the long and short wooden beam connecting devices are relatively welded by rectangular angle steel and T-shaped angle steel, wherein the T-shaped angle steel consists of a small T-shaped angle steel and a large T-shaped angle steel vertically The short wooden beam and column connecting device is formed by a first rectangular connecting plate, a second rectangular connecting plate, a first triangular connecting plate and a first inner groove connecting plate. The long wooden beam and the column are connected. The column connection device is composed of a third rectangular connection plate, a fourth rectangular connection plate, a second triangular connection plate and a second inner groove connection plate crisscrossed; wherein, a rectangular angle steel and a long wooden beam of the long and short wooden beam connection device The beam sleeve is bolted, and the other piece is bolted to the short wooden beam sleeve; the large T-shaped angle steel is assembled in the second inner groove connecting plate, and is bolted to the long wooden beam sleeve at the same time; the small T-shaped angle steel is The angle steel is assembled in the first inner groove connecting plate and is bolted to the short wooden beam sleeve at the same time; the first triangular connecting plate and the second triangular connecting plate are also provided with long rectangular holes corresponding to the wooden column sleeves. The first triangular connecting plate and the second triangular connecting plate are assembled into a rectangular shape and then bolted to the bottom of the wooden column sleeve; the first rectangular connecting plate and the third rectangular connecting plate are bolted to the wall of the wooden column sleeve; the second rectangular connecting plate , the fourth rectangular connecting plate is bolted to the short wooden beam sleeve wall;

For the side column node area, a tie device is provided between the two short wooden beams. The tie device is welded by a baffle and a hook plate. A hook groove is provided on one side of the hook plate. , the other side is welded with a baffle, and the two hook plates have hook grooves on one side and are tied together. The baffles on the outside of the hook plates extend into the sleeve holes of the short wooden beams on both sides, and are connected with the short wooden beams. Bolted together; the upper and lower wooden columns between the upper and lower two sets of steel-wood combination connection nodes are connected together by plugged steel plates;

For the corner column joint area, the upper and lower two sets of wooden columns at the steel-wood composite connection joint are connected together by plugged steel plates.

Furthermore, a full-length short wooden beam I-beam notch is built into the center of the section of the short wooden beam, and a short wooden beam I-beam is provided inside, and the end of the short wooden beam is provided with a short wooden beam end face. Groove, a short wooden beam end square plate is built into the short wooden beam end face groove, and a long rectangular opening corresponding to the short wooden beam I-beam web is cut in the middle of the short wooden beam end square plate, which is used for connecting with the short wooden beam. The web protruding from the end of the beam I-beam is plugged in; the bottom surface of the short wooden beam sleeve is provided with a short wooden beam sleeve hole.

Furthermore, a long wooden beam I-beam notch is built into the center of the section of the long wooden beam, and a long wooden beam I-beam is provided inside, and the end of the long wooden beam is provided with a long wooden beam end face. Groove, long wooden beam end face square plate is built into the long wooden beam end face groove, long wooden beam end face square plate is cut with a long rectangular opening corresponding to the long wooden beam I-beam web, which is used for connecting with the long wooden beam. The web protruding from the end of the beam I-beam is plugged in.

Furthermore, a full-length wooden column I-beam slot is built into the center of the cross-section of the wooden column, and a wooden column I-beam is inserted through it. There are no flanges at both ends of the wooden column I-beam, leaving only the middle position. There are flanges; the flange-free position of the wooden column I-beam notch is also inserted with two opposite plug-in steel plates for connecting the upper and lower wooden columns; the bottom surface of the wooden column sleeve is provided with Two long rectangular holes, corresponding to the I-beam flanges of the wooden columns, are used to insert the plug-in steel plate.

Further, for the side column node area, the outer edges of the first triangular connection plate and the first inner groove connection plate of each steel-wood composite connection node are also provided with protective cover plates, which are connected through bolts and tie-down devices and plug-in connections. Steel plates are joined together.

Further, for the side column node area and the corner column node area, two positioning steel plates are provided in the middle of the plug-in steel plate at a certain distance; the two positioning steel plates are respectively clamped and limited at the first triangular connecting plate and the second The outside of the long rectangular hole of the triangular connecting plate plays a positioning role.

Further, for the corner column node area, a filling wooden block is provided between the two plugged steel plates, and a U-shaped protective plate is provided outside the plugged steel plate, which is bolted to the plugged steel plate.

Further, for the corner column node area, a baffle is bolted in the short wooden beam sleeve hole.

Further, the plug-in steel plate between the two positioning steel plates is provided with large bolt holes, and the plug-in steel plate outside the two positioning steel plates is symmetrically provided with ordinary bolt holes; the cross section of the end of the short wooden beam and the short wooden beam The end square plates are provided with corresponding ordinary bolt holes, and the outer surface of the end of the short wooden beam is also provided with ordinary bolt holes for corresponding bolting with the ordinary bolt holes on the short wooden beam sleeve; the long wooden beam The central cross section of the beam end and the end square plate of the long wooden beam are provided with corresponding large bolt holes; the large bolt holes are symmetrically distributed on both sides of the long rectangular opening, and are used for corresponding bolting to the bottom plate of the long wooden beam sleeve; The outer periphery of the central cross section of the end of the long wooden beam and the outer surface of both ends of the long wooden beam are also provided with ordinary bolt holes for bolting to the sleeve wall of the long wooden beam.

Further, the diameter of the large bolt hole is 16mm; the diameter of the ordinary bolt hole is 10mm.

The beneficial effects produced by adopting the above technical solutions are:

The invention has the characteristics of fast construction speed, seamless module splicing, diversified and accurate formwork component shapes and geometric dimensions, and stable quality. In the present invention, I-beams are built into the beams and end square plates are provided, thereby increasing the strength of the beams and columns. At the same time, sleeve connections are provided at the ends of the beams and columns, and they are connected together through the beam-column connecting devices, so that the beam-column connecting devices, sleeves, square plates, and wooden beams and wooden columns are connected as a whole. The invention generates a basic modular unit, which can be modified no matter which piece has a problem, which greatly saves construction time and improves efficiency.

Description of drawings

Figure 1 is a schematic diagram of the short wooden beam of the present invention;

Figure 2 is a schematic diagram of the short wooden beam I-beam of the present invention;

Figure 3 is a schematic cross-sectional view of a short wooden beam;

Figure 4 is a schematic diagram of the square plate at the end of a short wooden beam;

Figure 5 is a schematic diagram of short wooden beam sleeves being set on the ends of short wooden beams;

Figure 6 is a schematic diagram of a short wooden beam sleeve;

Figure 7 is a schematic diagram of a long wooden beam;

Figure 8 is a schematic cross-sectional view of the end of a long wooden beam;

Figure 9 is a schematic diagram of the square plate at the end of a long wooden beam;

Figure 10 is a schematic diagram of the connection between the long wooden beam I-beam and the long wooden beam end square plate;

Figure 11 is a schematic diagram of a long wooden beam sleeve;

Figure 12 is a schematic diagram of a long wooden beam sleeve being set at the end of a long wooden beam;

Figure 13 is a schematic diagram of a wooden column I-beam;

Figure 14 is a schematic diagram of the steel plate inserted into the wooden column;

Figure 15 is a schematic cross-sectional view of a wooden column;

Figure 16 is a schematic diagram of a wooden column;

Figure 17 is a schematic diagram of a wooden column sleeve;

Figure 18 is a schematic diagram of installing a wooden column sleeve on the end of a wooden column;

Figure 19 is a schematic diagram of the connecting device of long and short wooden beams;

Figure 20 is a schematic diagram of the connection device between short wooden beams and columns;

Figure 21 is a schematic diagram of the connection device between long wooden beams and columns;

Figure 22 is an overall schematic diagram of the beam-column connection device;

Figure 23 is a schematic diagram of the steel-wood composite connection node based on sleeve connection;

Figure 24 is a schematic diagram of a frame with steel-wood composite connection nodes;

Figure 25 is an overall schematic diagram of the knotting device;

Figure 26 is a schematic diagram of the connection of the tie device, plugged steel plate and steel-wood composite connection node in the side column node area;

Figure 27 is a cross-sectional view of the protective cover installed in the side column node area;

Figure 28 is a schematic diagram of the overall appearance of the protective cover installed in the side column node area;

Figure 29 is a schematic diagram of the insertion steel plates installed in the side column node area and the corner column node area;

Figure 30 is a schematic diagram of filling wood blocks and U-shaped protective boards in the corner column node area.

Detailed ways

The specific embodiments of the present invention will be further described in detail below with reference to the accompanying drawings 1-30.

A steel-wood composite connection system based on sleeve connection in this embodiment, as shown in Figures 25-30, is composed of multiple sets of steel-wood composite connection nodes, including two upper and lower groups of steel-wood composite connection nodes. The corner column node area is formed, and the side column node area is formed by the upper, lower, left and right sets of steel-wood composite connection nodes.

As shown in Figure 1-24, the steel-wood composite connection node of this embodiment includes a short wooden beam 1, a long wooden beam 2, a wooden column 3, and a beam-column connecting device for connecting the three, as shown in Figure 24. As shown in Figure 1-6, a short wooden beam I-beam 12 is provided inside the short wooden beam 1, and a short wooden beam sleeve 17 is bolted to the end of the short wooden beam 1. A full-length short wooden beam I-beam notch 11 is built into the center of the section of the short wooden beam 1, and a short wooden beam I-beam 12 is provided inside, with a size of 140*80*5.5*9.1. The end of the short wooden beam 1 is provided with a short wooden beam end groove 13, the short wooden beam end groove 13 is built with a short wooden beam end square plate 14, and the short wooden beam end square plate 14 is cut with an I-beam similar to the short wooden beam. The long rectangular opening 9 corresponding to the web is used to plug into the web protruding from the end of the short wooden beam I-beam. The bottom surface of the short wooden beam sleeve 17 is provided with a short wooden beam sleeve hole 18. The short wooden beam 1 end cross section and the short wooden beam end square plate 14 are all provided with corresponding ordinary bolt holes 4, and the short wooden beam end outer surface is also provided with ordinary bolt holes 4 for use with the short wooden beam sleeve. Ordinary bolt holes 4 on 17 correspond to bolt connections.

As shown in Figure 7-12, a long wooden beam I-beam 22 is provided inside the long wooden beam 2, and a long wooden beam sleeve 27 is bolted to the end of the long wooden beam 2. A full-length long wooden beam I-beam notch 21 is built into the cross-section center of the long wooden beam 2, and a long wooden beam I-beam 22 is provided inside. The size of the I-beam is 140*80*5.5*9.1. The end of the long wooden beam 2 is provided with a long wooden beam end groove 23. The long wooden beam end groove 23 is built with a long wooden beam end square plate 24. The long wooden beam end square plate 24 is cut with an I-beam steel in the middle. The long rectangular opening 9 corresponding to the web is used for plugging into the web protruding from the end of the long wooden beam I-beam. Corresponding large bolt holes 5 are provided on the central cross section of the end of the long wooden beam 2 and the end square plate 24 of the long wooden beam. Large bolt holes 5 are symmetrically distributed on both sides of the long rectangular opening 9, and are used for corresponding bolting with the bottom plate of the long wooden beam sleeve 27. Ordinary bolt holes 4 are also provided on the outer periphery of the central cross section of the end of the long wooden beam 2 and on the outer surfaces of both ends of the long wooden beam 2 for bolting to the wall of the long wooden beam sleeve 27 .

As shown in Figure 13-18, a wooden column I-beam 32 is provided inside the wooden column 3, and a wooden column sleeve 34 is bolted to the end of the wooden column 3. A full-length wooden column I-beam slot 31 is built into the center of the cross-section of the wooden column 3, and a wooden column I-beam 32 is provided inside. The wooden column I-beam 32 has no flanges at both ends, leaving only the middle position. Wing edge. The flange-free position of the wooden column I-beam notch 31 is also inserted with two opposite plug-in steel plates 33 for connecting the upper and lower wooden columns 3. The end of the wooden column 3 is covered with a wooden column sleeve 34. The bottom surface of the wooden column sleeve 34 is provided with two long rectangular holes 35, corresponding to the flange of the wooden column I-beam 32, for inserting the plugged steel plate 33. . The plug-in steel plate 33 is provided with large bolt holes 5 and ordinary bolt holes 4 corresponding to the wooden columns 3 .

As shown in Figures 19-24, the beam-column connecting device includes a long and short wooden beam connecting device 6 arranged between the long wooden beam 2 and the short wooden beam 1, and a short wooden beam arranged between the short wooden beam 1 and the wooden column 3. The connecting device 7 with the column and the connecting device 8 between the long wooden beam 2 and the wooden column 3 are arranged between the long wooden beam 2 and the wooden column 3 . The long and short wooden beam connecting device 6 is relatively welded by a rectangular angle steel 61 and a T-shaped angle steel 62. The T-shaped angle steel 62 is vertically connected by a small T-shaped angle steel 621 and a large T-shaped angle steel 622. The short wooden beam and column connecting device 7 is formed by crossing a first rectangular connecting plate 71 , a second rectangular connecting plate 72 , a first triangular connecting plate 73 and a first inner groove connecting plate 74 . The long wooden beam and column connecting device 8 is formed by a cross between a third rectangular connecting plate 81 , a fourth rectangular connecting plate 82 , a second triangular connecting plate 83 and a second inner groove connecting plate 84 . Among them, one piece of rectangular angle steel 61 of the long and short wooden beam connecting device 6 is bolted to the long wooden beam sleeve 27, and the other piece is bolted to the short wooden beam sleeve 17. The large T-shaped angle steel 622 is assembled in the second inner groove connecting plate 84 and is bolted to the long wooden beam sleeve 27 at the same time. The small T-shaped angle steel 621 is assembled in the first inner groove connecting plate 74 and is bolted to the short wooden beam sleeve 17 at the same time. The first triangular connecting plate 73 and the second triangular connecting plate 83 are also provided with long rectangular holes 35 corresponding to the wooden column sleeves 34. The first triangular connecting plate 73 and the second triangular connecting plate 83 are assembled into a rectangular shape and then connected with the wooden post sleeve. The column sleeve 34 is bolted at the bottom. The first rectangular connecting plate 71 and the third rectangular connecting plate 81 are bolted to the wall of the wooden column sleeve 34. The second rectangular connecting plate 72 and the fourth rectangular connecting plate 82 are bolted to the wall of the short wooden beam sleeve 17.

In this embodiment, the diameter of the large bolt hole 5 is 16 mm. The diameter of ordinary bolt hole 4 is 10mm. The cross section of the short wooden beam 1 is rectangular, its cross-sectional size is 200mm*200mm, and its length is 1892mm. The length of the short wooden beam I-beam 12 set inside is also 1892mm. The 10mm upper and lower flanges are cut off from the end of the short wooden beam I-beam 12, which is used to insert the web into the long rectangular opening 9. The thickness of the short wooden beam sleeve 17 is 10mm, the internal dimensions are 200mm*200mm, the external dimensions are 220mm*220mm, and the length is 210mm. The cross section of the long wooden beam 2 is rectangular, its cross-sectional size is 200mm*200mm, and its length is 5438mm. The length of the long wooden beam I-beam 22 provided therein is also 5438mm. The 10mm upper and lower flanges are cut off from the end of the long wooden beam I-beam 22, which is used to insert the web into the long rectangular opening 9 of the long wooden beam end square plate 24. The long wooden beam sleeve 27 has a thickness of 10mm, an internal dimension of 200mm*200mm, an external dimension of 220mm*220mm, and a length of 210mm. There are 4 large bolt holes 5 in the middle of the bottom surface of the long wooden beam sleeve 27, and the rest are ordinary bolt holes 4. The cross section of the wooden column 3 is rectangular, with a cross-sectional size of 200mm*200mm and a length of 1930mm. The upper and lower flanges of 600mm are cut off at the end of the wooden column I-beam 32. There are 4 large flanges at the end of the wooden column I-beam 32. Bolt hole 5. Large bolt hole 5 and ordinary bolt hole 4 are connected with M16 and M10 bolts respectively.

During construction, first cut off the upper and lower flanges of the end portion of the short wooden beam I-beam 12, then connect the short wooden beam end square plate 14 at one end, and open the short wooden beam I-beam notch 11 in the cross-section center of the short wooden beam 1 , insert the short wooden beam I-beam 12, and connect the end square plate 14 of the short wooden beam at the other end. The short wooden beam sleeve 17 is set on the end of the short wooden beam 1. In the same way, the long wooden beam I-beam 22 is made, the long wooden beam I-beam notch is set, the long wooden beam I-beam notch is inserted into the long wooden beam 2, and the long wooden beam sleeve 27 is set. Set the wooden column I-beam notch 31, cut the flanges of both ends of the wooden column I-beam 32, insert it into the wooden column I-beam notch 31, insert the plugging steel plate 33, and set the wooden column sleeve on the end of the wooden column 3 Barrel 34. The beam-column connecting device is bolted together with the short wooden beam 1, the long wooden beam 2, the wooden column 3, the short wooden beam sleeve 17, the long wooden beam sleeve 27, and the wooden column sleeve 34 to form the basic unit of the modular building. .

As shown in Figure 25-30, the above-mentioned steel-wood composite connection nodes are spliced into a multi-layer structural system. It is made up of multiple sets of steel-wood combination connecting nodes.

As shown in Figures 25-28, for the side column node area, a tie device is provided between the two short wooden beams 1 opposite to it. The tie device is welded by the baffle 100 and the hook plate 200. The hook A hook groove is provided on one side of the plate 200, and a baffle 100 is welded to the other side. The sides of the two hook plates 200 with the hook grooves are pulled together with each other, and the baffles 100 on the outside of the hook plate 200 extend into the short holes on both sides. In the wooden beam sleeve hole 18, and bolted together with the short wooden beam 1. The upper and lower wooden columns 3 between the upper and lower two sets of steel-wood combination connection nodes are connected together through plugged steel plates 33. Two positioning steel plates 331 are arranged at a certain distance apart in the middle of the plug-in steel plate 33. The two positioning steel plates 331 are respectively clamped and limited outside the long rectangular holes 35 of the first triangular connecting plate 73 and the second triangular connecting plate 83 to play a positioning role. In addition, a protective cover 300 is provided on the outer edge of the first triangular connecting plate 73 and the first inner groove connecting plate 74 of each steel-wood composite connecting node, which is connected to the tie device and the plug-in steel plate 33 through bolts.

As shown in Figures 29-30, for the corner column node area, there is no tie device, and the upper and lower two sets of wooden columns 3 of the steel-wood combined connection node are connected together through plugged steel plates 33. Two positioning steel plates 331 are arranged at a certain distance apart in the middle of the plug-in steel plate 33. The two positioning steel plates 331 are respectively clamped and limited outside the long rectangular holes 35 of the first triangular connecting plate 73 and the second triangular connecting plate 83 to play a positioning role. A filling wooden block 400 is also provided between the two plug-in steel plates 33 , and a U-shaped protective plate 500 is provided outside the plug-in steel plate 33 , which is bolted to the plug-in steel plate 33 . In addition, a baffle 100 is bolted in the short wooden beam sleeve hole 18 of the short wooden beam sleeve 17 .

For the plug-in steel plate 33, at the bottom, only the upper half of the plug-in steel plate 33 is required. On the top floor, only the lower half of the steel plate 33 is inserted.

The above embodiments are only enumerated to more clearly illustrate the technical solutions of the present invention, and are not intended to limit the present invention. Variations of the technical solutions of the present application by those of ordinary skill in the art based on common knowledge in the field are also within the scope of protection of the present application. In short, the above-mentioned embodiments are only examples, and the scope of protection of the present application shall be determined by the scope of the appended claims.

Claims (9)

1. The steel-wood combined connection system based on sleeve connection is formed by splicing a plurality of groups of steel-wood combined connection nodes, and comprises a corner column node area formed by splicing an upper group of steel-wood combined connection nodes and a lower group of steel-wood combined connection nodes, and a side column node area formed by splicing an upper group of steel-wood combined connection nodes, a lower group of steel-wood combined connection nodes, a left group of steel-wood combined connection nodes and a right group of steel-wood combined connection nodes; the steel-wood combined connection node comprises a short wood beam (1), a long wood beam (2), a wood column (3) and a beam column connection device for connecting the three, and is characterized in that:

the short wood beam (1) is internally provided with short wood Liang Gongzi steel (12), and the end part of the short wood beam (1) is sleeved with a short wood beam sleeve (17) which is bolted with a short wood beam sleeve hole (18); a long wood beam I-steel (22) is arranged in the long wood beam (2), and a long wood beam sleeve (27) is sleeved and bolted at the end part of the long wood beam (2); a wood column I-shaped steel (32) is arranged in the wood column (3), and a wood column sleeve (34) is sleeved at the end part of the wood column (3);

the beam-column connecting device comprises a long wood beam connecting device (6) arranged between the long wood beam (2) and the short wood beam (1), a short wood beam and column connecting device (7) arranged between the short wood beam (1) and the wood column (3) and a long wood beam and column connecting device (8) arranged between the long wood beam (2) and the wood column (3); the long and short wood beam connecting device (6) is formed by oppositely welding rectangular angle steel (61) and T-shaped angle steel (62), wherein the T-shaped angle steel (62) is formed by vertically connecting a small T-shaped angle steel (621) and a large T-shaped angle steel (622); the short wood beam and column connecting device (7) is formed by crisscross connection of a first rectangular connecting plate (71), a second rectangular connecting plate (72), a first triangular connecting plate (73) and a first inner groove connecting plate (74); the long wood beam and column connecting device (8) is formed by crossing a third rectangular connecting plate (81), a fourth rectangular connecting plate (82), a second triangular connecting plate (83) and a second inner groove connecting plate (84); wherein, a rectangular angle steel (61) of the long and short wood beam connecting device (6) is bolted with the long wood beam sleeve (27), and the other rectangular angle steel is bolted with the short wood beam sleeve (17); the large T-shaped angle steel (622) is spliced in the second inner groove connecting plate (84) and is connected with the long wood beam sleeve (27) through bolts; the small T-shaped angle steel (621) is spliced in the first inner groove connecting plate (74) and is connected with the short wood beam sleeve (17) through bolts; the first triangular connecting plate (73) and the second triangular connecting plate (83) are also provided with rectangular holes (35) corresponding to the wood column sleeve (34), and the first triangular connecting plate (73) and the second triangular connecting plate (83) are spliced into rectangles and then are bolted with the bottom of the wood column sleeve (34); the first rectangular connecting plate (71), the third rectangular connecting plate (81) and the wall of the wood column sleeve (34) are bolted; the second rectangular connecting plate (72) is bolted with the wall of the short wood beam sleeve (17), and the fourth rectangular connecting plate (82) is bolted with the wall of the long wood beam sleeve (27);

for a side column node area, a drawknot device is arranged between two opposite short wood beams (1), the drawknot device is formed by welding a baffle plate (100) and a hook plate (200), a hook groove is formed in one side of the hook plate (200), the baffle plate (100) is welded on the other side of the hook plate, one sides of the two hook plates (200) with the hook grooves are mutually drawed together, and the baffle plate (100) on the outer side of the hook plate (200) stretches into short wood beam sleeve holes (18) on the two sides and is bolted with the short wood beams (1); the upper wood columns (3) and the lower wood columns (33) between the upper steel-wood combination connection nodes and the lower steel-wood combination connection nodes are connected together through splicing steel plates;

for the corner column node area, wood columns (3) of the upper and lower groups of steel-wood combined connection nodes are connected together through inserted steel plates (33);

the short wood beam (1) is internally provided with a short wood Liang Gongzi steel notch (11) with a through length in the center of the section, a short wood beam I-shaped steel (12) is penetrated in the short wood beam, the end part of the short wood beam (1) is provided with a short wood beam end surface groove (13), a short wood beam end surface square plate (14) is arranged in the short wood beam end surface groove (13), and a long rectangular orifice (9) corresponding to a short wood Liang Gongzi steel web is cut in the middle of the short wood beam end surface square plate (14) and is used for being inserted into the web extending out of the end part of the short wood Liang Gongzi steel; the bottom surface of the short wood beam sleeve (17) is provided with a short wood beam sleeve hole (18).

2. The steel-wood composite connection system based on sleeve connection according to claim 1, wherein: the long wood beam is characterized in that a long wood beam I-shaped steel notch (21) with the through length is arranged in the center of the section of the long wood beam (2), long wood beam I-shaped steel (22) is arranged in the long wood beam in a penetrating mode, a long wood beam end face groove (23) is formed in the end portion of the long wood beam (2), a long wood beam end face square plate (24) is arranged in the long wood beam end face groove (23), and a long rectangular orifice (9) corresponding to the long wood beam I-shaped steel web is cut in the middle of the long wood beam end face square plate (24) and used for being inserted into the web extending out of the end portion of the long wood beam I-shaped steel.

3. The steel-wood composite connection system based on sleeve connection according to claim 2, wherein: the center of the section of the wood column (3) is internally provided with a through-length wood column I-steel notch (31), a wood column I-steel (32) is penetrated in the wood column I-steel notch, flanges are not arranged at two ends of the wood column I-steel (32), and flanges are reserved only in the middle position; two opposite splicing steel plates (33) are inserted into the flange-free position of the I-shaped steel notch (31) of the wood column and are used for connecting the upper wood column (3) and the lower wood column (3); two rectangular holes (35) are formed in the bottom surface of the wood column sleeve (34), correspond to flanges of the wood column I-steel (32) and are used for inserting the inserting steel plates (33).

4. A steel-wood composite connection system based on sleeve connection according to claim 3, characterized in that: for the side column joint area, the outer edges of a first triangular connecting plate (73) and a first inner groove connecting plate (74) of each steel-wood combined connecting joint are also provided with a protective cover plate (300), and the protective cover plate is connected with a drawknot device and an inserting steel plate (33) through bolts.

5. The steel-wood composite connection system based on sleeve connection according to claim 4, wherein: for the side column node area and the corner column node area, two positioning steel plates (331) with a certain distance are arranged in the middle of the splicing steel plate (33); the two positioning steel plates (331) are respectively clamped and limited on the outer sides of the rectangular holes (35) of the first triangular connecting plate (73) and the second triangular connecting plate (83), so that a positioning effect is achieved.

6. The steel-wood composite connection system based on sleeve connection according to claim 5, wherein: for the corner column node area, a filling wood block (400) is further arranged between the two splicing steel plates (33), and a U-shaped protection plate (500) is further arranged on the outer side of the splicing steel plates (33), and is bolted with the splicing steel plates (33).

7. The steel-wood composite connection system based on sleeve connection according to claim 6, wherein: for corner post node areas, baffles (100) are also bolted in the timber rail sleeve holes (18) of the timber rail sleeve (17).

8. The steel-wood composite connection system based on sleeve connection according to claim 7, wherein: a large bolt hole (5) is formed in the inserted steel plate (33) between the two positioning steel plates (331), and common bolt holes (4) are symmetrically formed in the inserted steel plate (33) at the outer sides of the two positioning steel plates (331); corresponding common bolt holes (4) are formed in the cross section of the end part of the short wood beam (1) and the square plate (14) of the end face of the short wood beam, and the outer surface of the end part of the short wood beam is also provided with the common bolt holes (4) which are used for being correspondingly bolted with the common bolt holes (4) on the sleeve (17) of the short wood beam; the center cross section of the end part of the long wood beam (2) is provided with corresponding large bolt holes (5) on the square plate (24) of the end face of the long wood beam; the large bolt holes (5) are symmetrically distributed at two sides of the long rectangular hole (9) and are used for being correspondingly bolted with the bottom plate of the long wood beam sleeve (27); the periphery of the center cross section of the end part of the long wood beam (2) and the outer surfaces of the two ends of the long wood beam (2) are also provided with common bolt holes (4) for bolting with the wall of the long wood beam sleeve (27).

9. The steel-wood composite connection system based on sleeve connection according to claim 8, wherein: the diameter of the large bolt hole (5) is 16mm; the diameter of the common bolt hole (4) is 10mm.