CN213926764U

CN213926764U - Connecting structure of corner post connecting piece of multi-story high-rise building frame connecting piece system

Info

Publication number: CN213926764U
Application number: CN202022013007.0U
Authority: CN
Inventors: 张如堂; 胡永伟
Original assignee: Zhejiang Putian Integrated Housing Co ltd
Current assignee: Zhejiang Putian Integrated Housing Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-15
Publication date: 2021-08-10
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a many high-rise building frame attach spare system corner post connecting piece's connection structure, including stand, crossbeam and corner post connecting piece, the stand is connected at both ends about the corner post connecting piece, and the crossbeam is connected to corner post connecting piece side, and corner post connecting piece is the L type, connects two crossbeams in every corner post connecting piece side, and two crossbeams pass through corner post connecting piece mutually perpendicular. The utility model discloses a corner post connecting piece has the relation of connection of two kinds of differences with the stand, and the assembly efficiency has been improved to convenient being connected with stand and crossbeam.

Description

Connecting structure of corner post connecting piece of multi-story high-rise building frame connecting piece system

Technical Field

The utility model belongs to the technical field of integrated house technique and specifically relates to a connection structure of many high-rise building frame attach spare system corner post connecting piece is related to.

Background

The technology of the fabricated integrated house is introduced into China after the reform and the opening, is rapidly popularized after the 21 st century, and the low-cost, high-level and short-term development and construction of the building house are realized mainly through a factory prefabrication technology, a BIM technology and a construction assembly technology. The integrated house has the advantages of convenience in installation, convenience in transportation, energy conservation, environmental friendliness, reusability and the like.

The crossbeam and the stand of the integrated house of many high-rise assembled of tradition are welded through the job site, because unable accurate positioning in welding process, welding precision is lower, when carrying out high-rise assembly, because adding of accumulative total error, lead to the assembly badly easily, on-the-spot welding efficiency is not high moreover, influence the progress of engineering easily, it welds the crossbeam and carries out the assembly of frame through the connecting piece to come through the connecting piece a bit, but the connecting piece structure singleness of the same function, can't satisfy the multimode construction, consequently, the urgent need is to improve this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a many high-rise building frame connecting piece system corner post connecting piece's connection structure, through two kinds of corner post connecting pieces, the problem that the precision is low, efficient when solving many high-rise assembly.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a connecting structure of a corner post connecting piece of a multi-story high-rise building frame connecting piece system comprises upright posts, cross beams and corner post connecting pieces, wherein the upper end and the lower end of each corner post connecting piece are connected with the upright posts, and the side surfaces of the corner post connecting pieces are connected with the cross beams;

the corner post connecting piece is L-shaped, each corner post connecting piece side is connected with two cross beams, and the two cross beams are mutually perpendicular through the corner post connecting piece.

The crossbeam passes through bolted connection with the corner post connecting piece, bolt threaded connection has the nut, the one end that the crossbeam is close to the corner post connecting piece is connected with the fixed block, fixed block and crossbeam welded connection or integrated into one piece, one side that the corner post connecting piece is close to the crossbeam is equipped with a plurality of first through-holes, the fixed block is equipped with the seventh through-hole that corresponds with first through-hole, the bolt passes first through-hole and seventh through-hole respectively and is fixed through the nut.

Corner post connecting piece and stand welded connection, corner post connecting piece passes through the strengthening rib by two supporting parts and connects a switching portion jointly and forms, two supporting part mutually perpendicular, the one end that the supporting part is close to the stand is connected with first spacing muscle, the stand is square cavity stand, every in first spacing muscle outside all overlaps establishes a stand, is located corner post connecting piece's switching portion is close to stand department and still is equipped with first spacing muscle, corner post connecting piece is close to the three stand of one end welding of stand, and is three the shape that the stand is constituteed is the L type.

The angle column connecting piece comprises a first angle column connecting piece and a second angle column connecting piece, the upper end and the lower end of the first angle column connecting piece are respectively connected with the stand column and the first angle piece, one end, far away from the first angle column connecting piece, of the first angle piece is connected with the stand column, and the upper end and the lower end of the second angle column connecting piece are respectively welded with the stand column.

First corner fittings passes through bolted connection with first corner post connection spare, the one end that first corner post connection spare is close to first corner fittings is equipped with a plurality of second through-holes, the one end that first corner fittings is close to first corner post connection spare is equipped with the fourth through-hole that corresponds with the second through-hole, the bolt passes second through-hole and fourth through-hole respectively and is fixed through the nut.

First corner fittings adopts welded connection with the stand, first corner fittings plane shape flushes with first corner post connecting piece for L type and outline, the one end that first corner fittings is close to the stand is equipped with the spacing muscle of three second, every a stand, three are all established to the outside cover of the spacing muscle of second stand, three the stand that the cross-sectional shape is the L type is constituteed to the stand.

A groove with one open end is arranged in the vertical direction of the switching part of the first corner post connecting piece, the opening surface of the groove is connected with the stand column, and the other closed end of the groove is provided with a plurality of second through holes;

and the switching part of the second corner post connecting piece is provided with a third through hole penetrating through the upper surface and the lower surface of the switching part.

The crossbeam passes through the fixed block to be fixed in the supporting part side, the outer profile face of fixed block flushes with the supporting part.

And the upper end and the lower end of the second corner post connecting piece are respectively provided with a first limiting rib, and the first limiting ribs are inserted into the stand columns for fixation.

The utility model has the advantages that: 1. the corner post connecting pieces can be directly connected with the upright posts through welding, and can also be connected with the corner pieces through bolts of the first corner piece and then welded with the upright posts, so that the assembly efficiency is greatly improved; 2. the corner post connecting piece and the cross beam are fixed in a bolt connection mode, welding connection is omitted, assembly efficiency is greatly improved, and connection precision is guaranteed; 3. the position of the corner post connecting piece welded with the stand column is provided with a limiting rib, and the corner post connecting piece and the stand column are positioned through the limiting post before welding operation, so that the welding precision is greatly improved.

Drawings

FIG. 1 is a frame diagram of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

FIG. 4 is an enlarged view of FIG. 1 at C;

FIG. 5 is an enlarged view of FIG. 1 at D;

FIG. 6 is an enlarged view of FIG. 1 at E;

FIG. 7 is an enlarged view of FIG. 1 at F;

FIG. 8 is an exploded view of the connection structure of the first corner post coupler;

FIG. 9 is an exploded view of the connection structure of the second corner post connection;

FIG. 10 is an exploded view of the connection structure of the first jamb coupler;

FIG. 11 is an exploded view of the connection structure of the second side post coupler;

fig. 12 is an exploded view of the connection structure of the first king post connector;

fig. 13 is an exploded view of the connection structure of the second king post connector;

FIG. 14 is a schematic view of a first corner post connector;

FIG. 15 is a schematic view of a first corner fitting;

FIG. 16 is a schematic structural view of a second corner post coupler;

FIG. 17 is a schematic view of a first side post coupler;

FIG. 18 is a schematic view of a second corner fitting;

FIG. 19 is a schematic view of a second side post coupler;

FIG. 20 is a schematic structural view of a first king post coupler;

FIG. 21 is a schematic structural view of a third corner element;

fig. 22 is a schematic structural view of a second king post connector;

FIG. 23 is a schematic view of a bolt;

FIG. 24 is a front view of a frame surface mount support post;

fig. 25 is an enlarged view of fig. 24 at G.

In the figure: the structure comprises a frame 1, a vertical column 2, a cross beam 3, a convex part 301 connector 4, a corner column connector 401, a first corner column connector 4011, a second corner column connector 4012, a side column connector 402, a first side column connector 4021, a second side column connector 4022, a center column connector 403, a first center column connector 4031, a second center column connector 4032, an adapter 404, a support part 405, a reinforcing rib 406, a first limiting rib 407, a first through hole 408, a second through hole 409, a third through hole 410, a groove 411, a first corner piece 5, a second limiting rib 501, a fourth through hole 502, a second corner piece 6, a third limiting rib 601, a fifth through hole 602, a third corner piece 7, a fourth limiting rib 701, a sixth through hole 702, a fixed block 8, a seventh through hole 801, a bolt 9, a gasket 10, a nut 11 and a support column 12.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

in the description of the present specification, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplified description, and do not indicate or imply that the referred device or unit must have a specific direction, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 25, the connecting structure of the corner post connecting piece of the multi-story high-rise building frame connecting piece system comprises upright posts 2, cross beams 3 and corner post connecting pieces 401, wherein the upper end and the lower end of each corner post connecting piece 401 are connected with the upright posts 2, and the side surfaces of the corner post connecting pieces 401 are connected with the cross beams 3; the corner post connecting piece 401 is L-shaped, the side face of each corner post connecting piece 401 is connected with two cross beams 3, and the cross beams 3 are perpendicular to each other through the corner post connecting pieces 401.

The utility model discloses a many high-rise building frame attach spare system, including at least two-layer frame 1, frame 1 is square frame, frame 1 includes stand 2 and crossbeam 3, stand 2 and crossbeam 3 pass through connecting piece 4 to be connected, crossbeam 3 is connected the plane that forms frame 1 with connecting piece 4, and this plane is: the plane that forms by a plurality of unit faces each other concatenation, every unit face comprises four connecting pieces 4 and four crossbeam 3. Wherein, the height of the single-layer frame 1 is the height of one upright post 2.

Crossbeam 3 passes through bolt 9 with connecting piece 4 and is connected, bolt 9 threaded connection has nut 11, the one end that crossbeam 3 is close to connecting piece 4 is connected with fixed block 8, fixed block 8 and crossbeam 3 welded connection or integrated into one piece, one side that connecting piece 4 is close to crossbeam 3 is equipped with a plurality of first through-holes 408, fixed block 8 is equipped with the seventh through-hole 801 that corresponds with first through-hole 408, bolt 9 passes first through-hole 408 and seventh through-hole 801 respectively and is fixed through nut 11, promptly crossbeam 3 passes through bolt 9 with corner post connecting piece 401 and is connected, the one end that crossbeam 3 is close to corner post connecting piece 401 is connected with fixed block 8, one side that corner post connecting piece 401 is close to crossbeam 3 is equipped with a plurality of first through-holes 408. Specifically, when the bolt 9 passes through the fixed block 8 from the direction of the connecting piece 4, the nut 11 is fixed on the fixed block 8; when the bolts 9 pass through the connecting piece 4 from the direction of the fixing block 8, the nuts 11 are fixed on the connecting piece 4, no welding area exists between the cross beam 2 and the connecting piece 4, when the cross beam 2 is stressed in the vertical direction, most of the force borne by the cross beam 2 is concentrated on the bolts 9 on two sides of the cross beam 2, therefore, in order to ensure that the cross beam 2 has large bearing capacity, the bolts 9 and the nuts 11 should adopt high-strength bolts and nuts, the number of the bolts 9 at each end is at least ensured to be 6 or more, and the bolts 9 can adopt bolts between M15-M25.

Wherein, still the cover is equipped with gasket 10 on the bolt 9, and the cross sectional dimension of gasket 10 will be greater than the cross sectional dimension of nut 11, when screwing up nut 11 before, overlaps gasket 10 earlier on bolt 9, screws in nut 11 again, and gasket 10 gasket can increase the area of contact on nut 11 and part surface, reduces pressure, prevents that nut 11 is not hard up, can effectual protection part and nut 11.

During assembly, the stand column 2 and the connecting piece 4 can be installed well, the cross beam 3 is installed on the connecting piece 4 through the bolt 9, the frame 1 is installed, welding operation of the cross beam 3 and the connecting piece 4 is omitted, the process of installing the frame 1 is simplified, assembly time is saved, the installation efficiency of the frame 1 is greatly improved, and the disassembly is convenient.

Connecting piece 4 is by switching portion 404 and a plurality of supporting part 405 interconnect, wherein, switching portion 404 and supporting part 405 integrated into one piece, in order to guarantee connecting piece 4's installation effect, switching portion 404 flushes with the upper and lower surface of supporting part 405, the supporting part 405 is close to the one end of stand 2 and is connected with first spacing muscle 407, stand 2 is square hollow stand, every in stand 2 is all established to first spacing muscle 407 outside cover.

The connecting pieces 4 comprise corner post connecting pieces 401, side post connecting pieces 402 and middle post connecting pieces 403;

the upper end and the lower end of the corner post connecting piece 401 are connected with upright posts 2, and the edge angles of the upper plane and the lower plane of the frame 1 are connected with the corner post connecting piece 401 through the upright posts 2; corner post connecting piece 401 is connected a switching portion 404 integrated into one piece by two supporting parts 405 through strengthening rib 406 jointly and forms, corner post connecting piece 401 is L type connecting piece, two supporting part 405 mutually perpendicular is located corner post connecting piece 401's switching portion 404 is close to stand 2 department and still is equipped with first spacing muscle 407, corner post connecting piece 401 is close to three stand 2 of one end welding of stand 2, and is three the shape that stand 2 is constituteed is the L type.

The upper end and the lower end of the side column connecting piece 402 are connected with upright columns 2, and the outer side surfaces of the upper plane and the lower plane of the frame 1 except edge angles are connected with the side column connecting piece 402 through the upright columns 2;

side post connecting piece 402 is by three supporting part 405 connects a switching portion 404 integrated into one piece through strengthening rib 406 jointly and forms, side post connecting piece 402 is T type connecting piece, switching portion 404 is straight line distribution and two other supporting part 405 of another supporting part 405 perpendicular to with two of them supporting part 405, is located side post connecting piece 402's switching portion 404 is close to stand 2 department and still is equipped with first spacing muscle 407, side post connecting piece 402 is close to four stand 2 of one end welding of stand 2, four the shape that stand 2 constitutes is the T type.

The upper end and the lower end of the middle column connecting piece 403 are connected with the upright posts 2, and the interiors of the upper plane and the lower plane of the frame 1 are connected through the upright posts 2 and the middle column connecting piece 403;

the center pillar connecting piece 403 is formed by integrally forming four supporting parts 405 which are connected with an adapter part 404 through reinforcing ribs 406, the center pillar connecting piece 403 is a cross-shaped connecting piece, the two adjacent supporting parts 405 are perpendicular to each other, four upright posts 2 are welded at one end, close to the upright posts 2, of the center pillar connecting piece 403, and the shape formed by the four upright posts 2 is cross-shaped.

When connecting piece 4 and stand 2 are when the welding, insert first spacing muscle 407 with stand 2 in proper order and weld, wherein, first spacing muscle 407 can carry on spacingly to stand 2, not only makes things convenient for the welding of stand 2, but also can guarantee the welding precision, through the combination of a plurality of stands 2, has improved the holding power of frame 1 greatly.

The corner post connecting piece 401 comprises a first corner post connecting piece 4011 and a second corner post connecting piece 4012, the upper end and the lower end of the first corner post connecting piece 4011 are respectively connected with a stand column 2 and a first corner piece 5, the first corner piece 5 is connected with the first corner post connecting piece 4011 through a bolt 9, specifically, one end, close to the first corner piece 5, of the first corner post connecting piece 4011 is provided with a plurality of second through holes 409, one end, close to the first corner post connecting piece 4011, of the first corner piece 5 is provided with a fourth through hole 502 corresponding to the second through hole 409, and the bolt 9 penetrates through the second through hole 409 and the fourth through hole 502 and is fixed through a nut 11;

side post connecting piece 402 includes first side post connecting piece 4021 and second side post connecting piece 4022, stand 2 and second corner fittings 6 are connected respectively to both ends about first side post connecting piece 4021, second corner fittings 6 pass through bolt 9 with first side post connecting piece 4021 and are connected, specifically do, one end that first side post connecting piece 4021 is close to second corner fittings 6 is equipped with a plurality of second through-holes 409, institute

One end of the second corner fitting 6 close to the first side column connector 4021 is provided with a fifth through hole 602 corresponding to the second through hole 409, and the bolt 9 passes through the second through hole 409 and the fifth through hole 602 respectively and is fixed through a nut 11;

center pillar connecting piece 403 includes first center pillar connecting piece 4031 and second center pillar connecting piece 4032, stand 2 and third triangle 7 are connected respectively to both ends about first center pillar connecting piece 4031, third triangle 7 passes through bolt 9 with first center pillar connecting piece 4031 and is connected, specifically does, first center pillar connecting piece 4031 is close to the one end of third triangle 7 and is equipped with a plurality of second through-holes 409, the one end that third triangle 7 is close to first center pillar connecting piece 4031 is equipped with the sixth through-hole 702 that corresponds with second through-hole 409, bolt 9 passes second through-hole 409 and sixth through-hole 702 respectively and fixes through nut 11.

One end, far away from the first corner post connecting piece 4011, of the first corner piece 5 is connected with a stand column 2, the upper end and the lower end of the second corner post connecting piece 4012 are respectively connected with the stand column 2, and the second corner post connecting piece 4012 is connected with the stand column 2 in a welding mode; one end, far away from the first side column connecting piece 4021, of the second corner piece 6 is connected with an upright column 2, the upper end and the lower end of the second side column connecting piece 4022 are respectively connected with the upright column 2, and the second side column connecting piece 4022 is connected with the upright column 2 in a welding manner; one end of the third corner piece 7, which is far away from the first center pillar connecting piece 4031, is connected with the stand column 2, the upper end and the lower end of the second center pillar connecting piece 4032 are respectively connected with the stand column 2, and the second center pillar connecting piece 4032 is connected with the stand column 2 in a welding manner.

Wherein, one end of the first corner post connecting piece 4011, the first side post connecting piece 4021 and the first middle post connecting piece 4031 is directly welded with the upright post 2, and the other end is connected with the corresponding corner piece through a bolt 9 and then connected with the upright post 2 through the corresponding corner piece; the upper and lower both ends of second corner post connecting piece 4012, second side post connecting piece 4022 and second center pillar connecting piece 4032 directly weld stand 2, carry out the installation of frame 1 through connecting piece 4011 that has multiple different relation of connection, improved frame 1's installation effectiveness greatly.

When the frame 1 totally uses the first corner post connector 4011, the first side post connector 4021 and the first middle post connector 4031, the first corner post connector 4011, the first side post connector 4021 and one end of the first middle post connector 4031 are welded with the upright post 2 in the factory, then one end of the first corner piece 5, the second corner piece 6 and the third corner piece 7 are also welded with the upright post 2, and then the corresponding corner piece, connector 4 and cross beam 3 are directly connected to the site through the bolt 9 and the nut 11;

when the frame 1 completely uses the second corner column connector 4012, the second side column connector 4022 and the second center column connector 4032, the cross beam 3 can be connected through the bolt 9 and the nut 11 on the construction site, and then the upright columns 2 are respectively welded at two ends of the second corner column connector 4012, the second side column connector 4022 and the second center column connector 4032 through welding operation;

when the frame 1 is constructed using the first corner post connector 4011, the first side post connector 4021, the first center post connector 4031, the second corner post connector 4012, the second side post connector 4022 and the second center post connector 4032, the two ends of the second corner post connector 4012, the second side post connector 4022 and the second middle post connector 4032 can be welded with the upright post 2, the other end of the upright post 2 is welded with the corresponding connector 4, taking the corner post connecting piece 401 as an example, the two ends of the second corner post connecting piece 4012 are welded with the upright post 2, the other two ends of the upright post 2 are directly welded with the first corner post connecting piece 4011, the height of the upright post 2 formed by the method is the height of the two layers of frames 1, the two layers of frames 1 are formed by connecting the cross beams 3 through the bolts 9 and the nuts 11 after arriving at a construction site, the two layers of frames 1 are upwards overlapped as a whole, and the adjacent two layers of frames 1 are connected through the upright posts 2 of which the two ends are connected with corresponding corner fittings.

The first corner fitting 5, the second corner fitting 6 and the third corner fitting 7 are fixed with the upright post 2 through welding;

the planar shape of the first corner fitting 5 is L-shaped, the outer contour of the first corner fitting is flush with that of the first corner post connecting piece 4011, three second limiting ribs 501 are arranged at one end, close to the stand column 2, of the first corner fitting 5, one stand column 2 is sleeved outside each second limiting rib 501, and the three stand columns 2 form the stand column with the L-shaped cross section;

the planar shape of the second corner fitting 6 is T-shaped, the outer contour of the second corner fitting is flush with the first side column connector 4021, four third limiting ribs 601 are arranged at one end, close to the stand column 2, of the second corner fitting 6, one stand column 2 is sleeved outside each third limiting rib 601, and the four stand columns 2 form a stand column with a T-shaped cross section;

the planar shape of the third corner fitting 7 is cross and the outer contour flushes with the first center pillar connector 4031, one end of the third corner fitting 7 close to the upright post 2 is provided with four fourth limiting ribs 701, four the fourth limiting ribs 701 are respectively located at four corners of the cross plane, and each fourth limiting rib 701 is externally sleeved with one upright post 2 and four upright posts 2 are formed by the upright posts 2, the cross section of each upright post is cross, and therefore the quantity of upright posts 2 at the upper end and the lower end of the first center pillar connector 4011, the first side pillar connector 4021 and the first center pillar connector 4031 is consistent.

Be located be equipped with one end on the vertical direction of switching portion 404 of first corner post connecting piece 4011 and first side post connecting piece 4021 and be open-ended recess 411, be located stand 2 is connected to recess 411 open-ended plane, is located the switching portion 404 of second corner post connecting piece 4012, second side post connecting piece 4022, first center pillar connecting piece 4031 and second center pillar connecting piece 4032 is equipped with the third through-hole 410 that runs through switching portion 404 upper and lower surface, through recess 411 and third through-hole 410, can reduce the material of connecting piece 4 under the prerequisite of guaranteeing connecting piece 4 bearing strength, has saved the cost.

The cross beam 3 is an I-shaped beam, the width of the cross beam 3 is consistent with that of the fixing block 8, the height of the cross beam 3 is smaller than that of the fixing block 8, the distance between every two adjacent seventh through holes 801 in the vertical direction of the fixing block 8 is consistent, the two rows of seventh through holes 801 in the horizontal direction of the fixing block 8 are symmetrical along ribs in the vertical direction of the I-shaped cross beam 3, the fixing block 8 is provided with seventh through holes 801 beyond the upper surface and the lower surface of the cross beam 3, and the cross beam 3 is stressed more uniformly through the seventh through holes 801.

Each supporting portion 405 side all is connected with a crossbeam 3, the fixed block 8 is fixed in the supporting portion 405 side, the outer profile face of fixed block 8 flushes with supporting portion 405.

As preferred, still be equipped with support column 12 on the lateral surface on the frame 1 vertical direction, two adjacent crossbeams 3 about support column 12 slope upwards connects, and support column 12 on the adjacent two-layer frame 1 is the V type and distributes, supports two crossbeams 3 about through support column 12 and has improved the bearing capacity of crossbeam 3 greatly, is favorable to the buildding of high-rise frame 1.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a connection structure of many high-rise building frame connecting piece system corner post connecting piece, includes stand (2), crossbeam (3) and corner post connecting piece (401), its characterized in that: the upper end and the lower end of the corner post connecting piece (401) are connected with the upright post (2), and the side surface of the corner post connecting piece (401) is connected with the cross beam (3);

the corner post connecting piece (401) is L-shaped, each corner post connecting piece (401) is connected with two cross beams (3) on the side surface, and the cross beams (3) are mutually vertical through the corner post connecting piece (401).

2. The connecting structure of the corner post connecting piece of the multi-story high-rise building frame connecting piece system according to claim 1, wherein: crossbeam (3) are connected through bolt (9) with angle post connecting piece (401), bolt (9) threaded connection has nut (11), the one end that crossbeam (3) are close to angle post connecting piece (401) is connected with fixed block (8), fixed block (8) and crossbeam (3) welded connection or integrated into one piece, one side that angle post connecting piece (401) are close to crossbeam (3) is equipped with a plurality of first through-holes (408), fixed block (8) are equipped with seventh through-hole (801) that correspond with first through-hole (408), bolt (9) pass first through-hole (408) and seventh through-hole (801) respectively and are fixed through nut (11).

3. The connecting structure of the corner post connecting piece of the multi-story high-rise building frame connecting piece system according to claim 2, wherein: corner post connecting piece (401) and stand (2) welded connection, corner post connecting piece (401) are connected a switching portion (404) by two supporting parts (405) through strengthening rib (406) jointly and are formed, two supporting part (405) mutually perpendicular, the one end that supporting part (405) is close to stand (2) is connected with first spacing muscle (407), stand (2) are square cavity stand, every in first spacing muscle (407) outside all overlaps establishes a stand (2), be located switching portion (404) of corner post connecting piece (401) are close to stand (2) department and still are equipped with first spacing muscle (407), three stand (2), three are close to the one end welding of stand (2) in corner post connecting piece (401) the shape of constituteing of stand (2) is the L type.

4. The connecting structure of the corner post connecting piece of the multi-story high-rise building frame connecting piece system according to claim 3, wherein: corner post connecting piece (401) include first corner post connecting piece (4011) and second corner post connecting piece (4012), stand (2) and first corner fitting (5) are connected respectively at both ends about first corner post connecting piece (4011), the one end that first corner post connecting piece (4011) was kept away from in first corner fitting (5) is connected with stand (2), stand (2) are welded respectively at both ends about second corner post connecting piece (4012).

5. The connecting structure of the corner post connecting piece of the multi-story high-rise building frame connecting piece system according to claim 4, wherein: first corner fittings (5) pass through bolt (9) with first corner post connecting piece (4011) and are connected, the one end that first corner post connecting piece (4011) is close to first corner fittings (5) is equipped with a plurality of second through-holes (409), the one end that first corner fittings (5) are close to first corner post connecting piece (4011) is equipped with fourth through-hole (502) that correspond with second through-hole (409), bolt (9) pass second through-hole (409) and fourth through-hole (502) respectively and are fixed through nut (11).

6. The connecting structure of the corner post connecting piece of the multi-story high-rise building frame connecting piece system according to claim 4, wherein: first corner fittings (5) adopt welded connection with stand (2), first corner fittings (5) plane shape flushes for L type and outline and first corner post connecting piece (4011), the one end that first corner fittings (5) are close to stand (2) is equipped with three spacing muscle of second (501), every stand (2), three are all established to the outside cover of the spacing muscle of second (501) stand (2) are constituteed the cross sectional shape and are the stand of L type.

7. The connecting structure of the corner post connecting piece of the multi-story high-rise building frame connecting piece system according to claim 4, wherein: a groove (411) with one open end is arranged in the vertical direction of the switching part (404) of the first corner post connecting piece (4011), the opening surface of the groove (411) is connected with the upright post (2), and the other closed end of the groove is provided with a plurality of second through holes (409);

and the adapter part (404) of the second corner post connecting piece (4012) is provided with a third through hole (410) penetrating through the upper surface and the lower surface of the adapter part (404).

8. The connecting structure of the corner post connecting piece of the multi-story high-rise building frame connecting piece system according to claim 3, wherein: crossbeam (3) are fixed in supporting part (405) side through fixed block (8), the outer profile face of fixed block (8) flushes with supporting part (405).

9. The connecting structure of the corner post connecting piece of the multi-story high-rise building frame connecting piece system according to claim 4, wherein: both ends all are equipped with first spacing muscle (407) about second corner post connecting piece (4012), first spacing muscle (407) insert stand (2) internal fixation.