CN109811886A

CN109811886A - A kind of prefabricated buildings structure

Info

Publication number: CN109811886A
Application number: CN201910264612.4A
Authority: CN
Inventors: 曹友国
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2019-05-28
Anticipated expiration: 2039-04-03
Also published as: CN109811886B

Abstract

The invention discloses a prefabricated house structure, comprising a column, a beam, a ground steel frame, a support frame, a ring beam, and a main truss and a roof truss for forming a roof. The support frame is installed on the column, and the column is fixed on the ground. Cross beams are connected at least at the lower and middle positions between the uprights through connecting pieces, and the ground steel frame is installed between the crossbeams at the lower positions of the uprights. The invention is mainly suitable for low-rise prefabricated houses, and realizes the support frame, the ring beam, etc. The connection between the mechanism and the column is fixed, which can respectively meet the installation requirements of beams and steel frames in different positions of the house frame and different positions of the roof. The installation operation is very convenient, the structural strength is high, and all can be reused. The chassis is fixed to the ground by bolts, which improves the grounding stability of the entire house.

Description

A kind of prefabricated buildings structure

Technical field

The present invention relates to building structure technology fields, and in particular to a kind of lightweight steel construction for prefabricated buildings.

Background technique

The side's of standing motionless prefabricated buildings, especially low layer prefabricated buildings, can be with fast construction, speed of application due to having Fastly, good to ground environment adaptability, it is highly-safe, it is reusable the advantages that, therefore be widely used in low layer villa, assembly Formula customization house, tourism is spent holidays or the fields such as campsite hotel.Prefabricated buildings generally first put up steel structure frame, then refill The structures such as good ground, metope, flooring, roofing.Traditional prefabricated buildings have the following disadvantages when building, and first, room When face is installed in each docking location generally in such a way that welding or directly screw are fixed, welding manner is complicated for operation, needs specially The welding personnel of industry, and it is more troublesome when disassembly, and the structural stability of directly screw fixed form is not high enough；Second, accessory Versatility it is not high, cannot function as standard component use, cause construction and installation process more troublesome；The bottom of third, frame is direct On the ground, support ground area is smaller for support, not firm enough, and long for some ground elapsed times base of frame is easily trapped into ground Face, there are security risks.

Summary of the invention

The technical problem to be solved by the present invention is in view of the drawbacks of the prior art, provide, a kind of structure is simple, construction and installation The prefabricated buildings structure convenient, assembling structure is firm, highly-safe, accessory versatility is good.

In order to solve the above technical problems, the present invention adopts the following technical scheme: a kind of prefabricated buildings structure, feature exist In: it include column, ground steelframe, roof support frame (such as triangular shape), collar tie beam and the main couple for being used to form roof sections, branch Support is mounted on the column in house, and column fixes on the ground, and the lower part and medium position at least between column pass through company Fitting is connected with crossbeam, and ground steelframe is installed between the crossbeam of column lower position；Main couple includes vertical pole and cross Bar, main couple are mounted on support frame and collar tie beam；End coupling is installed in the column top for being located at outer fix, and is located at The column top in middle position is equipped with support frame intermediate connector, and the both ends of support frame pass through end coupling and outside respectively The column of position is connected and fixed, and the centre of support frame then passes through support frame intermediate connector and the column connection in middle position is solid It is fixed；The both ends of collar tie beam are connected and fixed also through the end coupling with the column for being located at external angle position.

Further, it is connected and fixed between the column of external angle position and crossbeam using beam column connection arrangement, beam column Crossbeam is connected into right-angled corner structure by connection arrangement；Beam column three is used between the column and crossbeam in abutment wall middle position It is connected and fixed to connector, crossbeam is connected into T-type structure by beam column three-dimensional connector；Column among house and crossbeam it Between be connected and fixed using beam column four-way connector, crossbeam is connected into cross-shaped configuration by beam column four-way connector；The two-way company of beam column Fitting, beam column three-dimensional connector and beam column four-way connector include main external member, and the beam column of each column bottom end is bi-directionally connected The main external member bottom of part, beam column three-dimensional connector and beam column four-way connector is respectively and fixedly provided with chassis, and entire house is made to pass through chassis It fixes on the ground, the center on chassis has water power hole, and the through-hole of the bottom water electricity Kong Yuzhu external member communicates.

Preferably, the main external member of the beam column connection arrangement is in box shape structure, and main external member is that side wall has longitudinal lack The non-enclosed structure of mouth, main external member inside are through-hole, and both ends are opening, are provided with several screw holes on the side wall of main external member, The column for being used to form house frame is passed through from the through-hole of main external member, and across screw hole that main external member and column is tight with screw Gu；One first linking arm and one second linking arm, the first linking arm and the second linking arm point are provided on the side wall of main external member It does not face outwardly and extends perpendicularly out from two different laterals of main external member, be equipped with screw hole on the first linking arm and the second linking arm, Crossbeam and the first linking arm or the second linking arm grafting simultaneously tighten fixation across screw hole by screw, connect crossbeam with column At frame structure；First linking arm and the second linking arm and main external member form the connector of a black box, the first linking arm And second linking arm be hollow structure, be equipped with water power hole on each side wall of main external member, the first linking arm and the second connection The through-hole of arm is directed at the access infrastructure that water power hole forms water power route.

Preferably, the main external member of the beam column three-dimensional connector has the structure surrounded entirely close to four sides, and there are three tools Complete side wall, the 4th side wall are set as the structure with open longitudinal breach；First is equipped on the side wall of main external member Linking arm, the second linking arm and third linking arm, three pick out to form T-type structure and in same level respectively from three side walls Face, and the first linking arm is respectively perpendicular with the second linking arm, third linking arm and the second linking arm, the first linking arm then with third Linking arm is located along the same line but reversely stretches out；After column is inserted into main external member, three side walls touch wherein three face of column, and lead to Screw is crossed to fasten column；Water power hole is equipped on the side wall that linking arm is opposite at three, water power hole is logical with each linking arm Hole communicates.

Preferably, the main external member of the beam column four-way connector has the structure surrounded entirely close to four sides, and there are three tools Complete side wall, the 4th side wall are set as the structure with open longitudinal breach；Is provided on the side wall of main external member One linking arm, the second linking arm, third linking arm and the 4th linking arm, four pick out to form ten type structures from four side walls respectively And it is in same level, the first linking arm is opposite with third linking arm, and the second linking arm is opposite with the 4th linking arm；Column is inserted After becoming owner of external member, four side walls touch the four sides of column, and are fastened column by screw；In the side wall opposite with linking arm everywhere On be equipped with water power hole, water power hole is communicated with the through-hole of each linking arm.

Further, the end coupling has a perpendicular external member for being inserted into column top, entire end connection Part is plugged in blending bolt in column by its perpendicular external member and fastens；The top of perpendicular external member is welded with support plate, the outside of support plate Holding has the perpendicular baffle holded up, is formed with the collar tie beam fixed ear of a straight stretching in the inner side surface of support plate, and the two of support frame End bottom pillow is pressed in blending bolt in the support plate and fastens, and then side pressure is used in combination in the inner surface of perpendicular baffle at the both ends of support frame Bolt fastening；The end pillow of collar tie beam is pressed in collar tie beam fixed ear and with bolt fastening, can easily be rapidly completed in this way The installation of collar tie beam and support frame.

Further, situation biggish for span, a collar tie beam may fall short of, and need at least two collar tie beams to picking up Come, the position docked among collar tie beam at this time is connected part by collar tie beam and is connected and fixed with column is located in the middle, the collar tie beam Part is connected with main external member, the bottom end two sides of main external member are respectively provided with a fixed ear, which is connected part and leads by it External member is set in the top blending bolt fastening of column, and the butt end pillow of collar tie beam is pressed in blending bolt in fixed ear and fastens；Main set The top of part is welded with towards inclined groove supporting element on the outside of roofing, and the both ends of groove supporting element are cell wall, the inside of two cell walls Face has respectively been bolted a crossbeam, and two crossbeams are rested the head on and are pressed on groove supporting element.

Further, support frame as described above intermediate connector has perpendicular external member, and entire support frame intermediate connector is perpendicular by it External member is plugged in blending bolt in column and fastens；The top of perpendicular external member is welded with support plate, and the central bottom pillow of support frame is pressed in Blending bolt fastens in the support plate, and the fixed structure of support frame can be improved in this way.

Further, in order to make house have more unique moulding or specific functional requirement, side truss can also be set, Side truss is fixed between the side of two main couples, and two main couples form inverted V-shaped top, and side truss can then be tilted towards side；In master The side of truss and side truss docking location are equipped with main couple brace, and the side of side truss is then equipped with side truss brace, main couple Brace is fixed parallel with side truss brace；Side truss also includes vertical pole and cross bar, and each vertical pole and coplanar collar tie beam are perpendicular, and Cross bar is then parallel with coplanar collar tie beam.

Further, collar tie beam external corner is fixed with the top of the external angle position column at the side truss place of alignment in main couple to connect Part, collar tie beam external corner connecting piece have main external member, and collar tie beam external corner connecting piece is fixed in the top of column by its main external member and uses spiral shell Bolt fastening；It is welded with skew back supporting element on the top of main external member, skew back supporting element diagonally towards two symmetrical inclinations, inclines on both sides The bottom end on inclined-plane is respectively provided with oblique baffle, has the gap passed through for main couple brace and side truss brace between two oblique baffles, Tiltedly pillow is pressed on the inclined surface of skew back supporting element respectively for main couple brace and side truss；A yardarm close with main couple brace Portion and a crossbar end close with side truss brace rest the head on be pressed on the inclined surface of skew back supporting element respectively, and respectively with corresponding surface Oblique baffle bolt fastening；The adjacent two sides in the bottom end of main external member are respectively provided with a fixed ear, and the end pillow of collar tie beam is pressed in fixed ear Upper blending bolt fastening.It can be so the firm mounting structure for forming main couple and side truss by relatively simple mode.

Further, connected in the outside end of fixed parallel main couple brace and side truss brace by a roof truss cornice Fitting sealing end is fixed, which is inclined v-shaped structure, both sides pass through respectively bolt and main couple brace and Side truss brace is fixed, and makes that the stability that a step improves mounting structure can be carried out between main couple and side truss in this way.

Further, end coupling, support frame intermediate connector, collar tie beam are connected part and collar tie beam external corner connecting piece is equal It is provided with water power hole, four are all made of laser cutting steel plate and cold roll forming welds to form standard connector again.Roof truss cornice connects Fitting forms standard connector using laser cutting steel plate and cold roll forming.Above-mentioned each component has very after being made into standard connector Good versatility can directly buy use when different houses is installed, not need to customize.

The present invention is mainly suitable for low layer prefabricated buildings, pass through end coupling, support frame intermediate connector, collar tie beam pair The standard connectors such as connecting connector, collar tie beam external corner connecting piece realize being connected and fixed for support frame, the mechanisms such as collar tie beam and column, can divide Do not meet the installation requirements of housing roof different location, operation is very easy for installation, and structural strength is high, can all repeat benefit With；Compared to the mode of construction of conventional house and common light steel house, production and installation period are short, reduce every cumbersome Operational procedure and workload, are greatly saved time and human cost.

And the connector between each beam column can cover the main external member on column by designing, then along the vertical of column in main external member Histogram is respectively formed two-way, three-dimensional or four-way connector, can meet house respectively to two, three or four linking arms are stretched out The installation requirements of the crossbeam of different location and steelframe in frame, operation is very easy for installation, and stable connection is high, reusing It is good；And then separately adding a chassis for the connector of bottom, chassis is fixed by bolt with ground, and entire house is so improved It is grounded stability.

Detailed description of the invention

Fig. 1 is overall structure of the present invention；

Fig. 2 is roofing main couple schematic diagram of the present invention；

Fig. 3 is roof support frame schematic diagram of the present invention；

Fig. 4 is the assembling schematic diagram of roofing side of the present invention truss and middle standing pillar；

Fig. 5 is the assembling schematic diagram of roofing side of the present invention truss and roofing main couple and external corner column；

Fig. 6 be collar tie beam be connected part (lower a left side), collar tie beam external corner connecting piece (lower right) and roof truss cornice connector (on) Structural schematic diagram；

Fig. 7 is the structural schematic diagram on end coupling (left side) and support frame intermediate connector (right side)；

Fig. 8 is the structure chart of beam column connection arrangement；

Fig. 9 is the structure chart of another angle of beam column connection arrangement；

Figure 10 is the structure chart of beam column connection arrangement and chassis cooperation；

Figure 11 is the structure chart of beam column three-dimensional connector；

Figure 12 is the structure chart of beam column three-dimensional connector and chassis cooperation；

Figure 13 is the structure chart of beam column four-way connector；

Figure 14 is the structure chart of beam column four-way connector and chassis cooperation.

In figure, 1 is column, and 2 be support frame, and 3 be collar tie beam, and 4 be main couple, and 5 be side truss, and 6 be vertical pole, and 7 be cross bar, 8 It is side truss brace for main couple brace, 9,10 be end coupling, and 11 be support frame intermediate connector, and 12 be collar tie beam in succession Fitting, 13 be collar tie beam external corner connecting piece, and 14 be roof truss cornice connector, and 15 be main external member, and 16 be groove supporting element, and 17 be slot Wall, 18 be water power hole, and 19 be fixed ear, and 20 be main external member, and 21 be skew back supporting element, and 22 be oblique baffle, and 23 be water power hole, and 24 are Fixed ear, 25 be perpendicular external member, and 26 be support plate, and 27 perpendicular baffles, 28 be collar tie beam fixed ear, and 29 be water power hole, and 30 be to erect external member, 31 It is water power hole for support plate, 32,33 be crossbeam, and 34 be ground steelframe, and 35 be beam column connection arrangement, and 36 connect for beam column three-dimensional Part, 37 be beam column four-way connector, and 38 be main external member, and 39 be the first linking arm, and 40 be the second linking arm, and 41 connect for third Arm, 42 be the 4th linking arm, and 43 be water power hole, and 44 be chassis.

Specific embodiment

In the present embodiment ,-Figure 14, the prefabricated buildings structure, include column 1, ground steelframe 34, room referring to Fig.1 Face support frame 2 (such as triangular shape), collar tie beam 3 and the main couple 4 for being used to form roof sections, support frame 2 are mounted on column 1, are stood Column 1 fixes on the ground；Main couple 4 includes vertical pole 6 and crossbeam 7, and main couple 4 is mounted on support frame 2 and collar tie beam 2, at least Lower part and medium position between column 1 are connected with crossbeam 33 by connector, and ground steelframe 34 is installed under column 1 Between the crossbeam 33 of portion position；Pacify on column (being exactly for the column with the pairing of the support frame both ends) top for being located at outer fix Equipped with end coupling 10, and centrally located column (be exactly for and the pairing of support frame middle position column) top Support frame intermediate connector 11 is installed, the both ends of support frame 2 pass through the column 13 of end coupling 10 Yu outer fix respectively It is connected and fixed, and the centre of support frame 2 then passes through support frame intermediate connector 11 and the column 1 in middle position is connected and fixed；Circle The both ends of beam 3 are connected and fixed also through the end coupling 10 with the column 1 for being located at external angle position.

Referring to Fig.1, Fig. 8-Figure 14 uses beam column connection arrangement 35 between the column 1 and crossbeam 33 of external angle position It is connected and fixed, crossbeam 33 is connected into right-angled corner structure by beam column connection arrangement 35；Positioned at abutment wall middle position column 1 with It is connected and fixed between crossbeam 33 using beam column three-dimensional connector 36, crossbeam 33 is connected into T-type structure by beam column three-dimensional connector 36； It is connected and fixed between column 1 among house and crossbeam 33 using beam column four-way connector 37, beam column four-way connector 37 Crossbeam 33 is connected into cross-shaped configuration；Beam column connection arrangement 35, beam column three-dimensional connector 36 and beam column four-way connector 37 It include main external member 38, and the beam column connection arrangement 35 of 1 bottom end of each column, beam column three-dimensional connector 36 and beam column four-way connect 38 bottom of main external member of fitting 37 is respectively and fixedly provided with chassis 44, fixes entire house by chassis 44 (and bolt) on the ground, The center on chassis 44 has water power hole 43, which communicates with the through-hole of main external member 38.

Referring to Fig. 8, Fig. 9 and Figure 10, the main external member 38 of the beam column connection arrangement 35 is in box shape structure, main external member 38 There is the non-enclosed structure of longitudinal breach for side wall, be through-hole inside main external member 38, both ends are opening, the side wall of main external member 38 On be provided with several screw holes, the column 1 for being used to form house frame is passed through from the through-hole of main external member 38, and with screw pass through spiral shell Wire hole fastens main external member 38 with column 1；One first linking arm 39 and one second connection are provided on the side wall of main external member 38 Arm 40, the first linking arm 39 and the second linking arm 40 face outwardly from two different laterals of main external member 38 extend perpendicularly out respectively, the Screw hole, 40 grafting of crossbeam 33 and the first linking arm 39 or the second linking arm are equipped on one linking arm 39 and the second linking arm 40 And screw hole is passed through by screw and tightens fixation, so that crossbeam 33 and column 1 is connected into frame structure；First linking arm 39 and second Linking arm 40 and main external member 38 form the connector of a black box, and the first linking arm 39 and the second linking arm 40 are hollow Structure, is equipped with water power hole 43 on each side wall of main external member 38, and the through-hole of the first linking arm 39 and the second linking arm 40 is right Quasi- water power hole 43 forms the access infrastructure of water power route.

1, Figure 12 referring to Fig.1, the main external member 38 of the beam column three-dimensional connector 36 have the structure surrounded entirely close to four sides, It has there are three complete side wall, and the 4th side wall is set as the structure with open longitudinal breach；In the side of main external member 38 Wall is equipped with the first linking arm 39, the second linking arm 40 and third linking arm 41, and three's structure is identical and respectively from three side walls It picks out and to form T-type structure and in same level, and the first linking arm 39 and the second linking arm 40, third linking arm 41 and the Two linking arms 40 are respectively perpendicular, and the first linking arm 39 is then located along the same line with third linking arm 41 but reversely stretches out；Column 1 After being inserted into main external member 38, three side walls touch wherein three face of column, and are fastened column 1 by screw；The linking arm at three Water power hole 43 is equipped on opposite side wall, water power hole 43 is communicated with the through-hole of each linking arm.

3, Figure 14 referring to Fig.1, the main external member 38 of the beam column four-way connector 37 have the structure surrounded entirely close to four sides, It has there are three complete side wall, and the 4th side wall is set as the structure with open longitudinal breach；In the side of main external member 38 It is identical simultaneously that the first linking arm 39, the second linking arm 40, third linking arm 41 and the 4th linking arm 42, four structures are provided on wall It picks out to form ten type structures and in same level, the first linking arm 39 and 41 phase of third linking arm from four side walls respectively Right, the second linking arm 40 and the 4th linking arm 42 are opposite；After column 1 is inserted into main external member 38, four side walls touch the four sides of column 1, And column 1 is fastened by screw；Water power hole, water power hole and each linking arm are equipped on the side wall opposite with linking arm everywhere Through-hole communicate.

Referring to Fig. 3, Fig. 7, the end coupling 10 has a perpendicular external member 25 for being inserted into 1 top of column, entirely End coupling 10 is plugged in blending bolt in column 1 by its perpendicular external member 25 and fastens；The top of perpendicular external member 25 is welded with support Plate 26, the outboard end of support plate 26 have the perpendicular baffle 27 holded up, are formed with a straight stretching in the inner side surface of support plate 26 Collar tie beam fixed ear 28, the both ends bottom pillow of support frame 2 is pressed in the support plate 26 blending bolt and fastens, the two of support frame 2 End then inner surface blending bolt fastening of the side pressure in perpendicular baffle 27；Collar tie beam 3 end pillow be pressed in collar tie beam fixed ear 28 and With bolt fastening, the installation of collar tie beam 3 and support frame 2 can easily be rapidly completed in this way.

Situation biggish for span, a collar tie beam 3 may fall short of, and need at least two collar tie beams 3 to dock, at this time The position docked among collar tie beam 3 is connected part 12 by collar tie beam and is connected and fixed with column 1 is located in the middle, referring to Fig. 4, figure 6, which is connected part 12 with main external member 15, and the bottom end two sides of main external member 15 are respectively provided with a fixed ear 19, the collar tie beam pair Connecting connector 12 is set in the top blending bolt fastening of column 1 by its main external member 15, and the butt end pillow of collar tie beam 3 is pressed in fixation Blending bolt fastens on ear 19；The top of main external member 15 is welded with towards inclined groove supporting element 16 on the outside of roofing, groove support The both ends of part 16 are cell wall 17, and the medial surface of two cell walls 17 has respectively been bolted a crossbeam 7, and two crossbeams 7 are rested the head on and are pressed in On groove supporting element 12.

Support frame as described above intermediate connector 11 has perpendicular external member 30, and entire support frame intermediate connector 11 passes through its perpendicular external member 30, which are plugged in blending bolt in column 1, fastens；The top of perpendicular external member 30 is welded with support plate 31, the central bottom pillow of support frame 2 It is pressed in blending bolt in the support plate 31 to fasten, the fixed structure of support frame 3 can be improved in this way.

In order to make house that there is more unique moulding or specific functional requirement, side truss 5 can also be set, referring to Fig.1 And Fig. 5, side truss 5 are fixed between the side of two main couples 4, two main couples 4 form inverted V-shaped top, and side truss 5 then can be towards side Inclination；It is equipped with main couple brace 8 in the side of main couple 4 and 5 docking location of side truss, the side of side truss 5 is then equipped with side purlin Frame brace 9, main couple brace 8 and side truss brace 9 are fixed parallel；Side truss 5 also includes vertical pole 6 and cross bar 7, each vertical pole 6 It is perpendicular with coplanar collar tie beam 3, and cross bar 7 is then parallel with coplanar collar tie beam 3.

It is fixed with collar tie beam external corner connecting piece 13 with the top of the external angle position column 1 at 5 place of alignment of side truss in main couple 4, Collar tie beam external corner connecting piece 13 has main external member 20, and collar tie beam external corner connecting piece 13 is fixed in the top of column 1 by its main external member 20 Blending bolt fastening；It is welded with skew back supporting element 21 on the top of main external member 20, skew back supporting element 21 is diagonally symmetrical towards two Inclination is respectively provided with oblique baffle 22 in the bottom end of both sides inclined surface, has between two oblique baffles 22 and be used for main couple brace 8 and side purlin The gap that frame brace 9 passes through, main couple brace 8 and side truss oblique 9 are rested the head on be pressed on the inclined surface of skew back supporting element 21 respectively；With master Close 7 end of a cross bar of truss brace 8 and a cross bar 7 end close with side truss brace 9 are rested the head on respectively is pressed in skew back support On the inclined surface of part 21, and bolt fastening is used with obverse oblique baffle 22 respectively；The adjacent two sides in bottom end of main external member 20 are respectively set There is a fixed ear 24, the end pillow of collar tie beam 3 is pressed in blending bolt in fixed ear 24 and fastens.Relatively simple side can be passed through in this way Formula is the firm mounting structure for forming main couple 4 and side truss 5.

Pass through a roof truss cornice connector 14 in the outside end of fixed parallel main couple brace 8 and side truss brace 9 Sealing end is fixed, which is inclined v-shaped structure, both sides pass through respectively bolt and main couple brace 8 and Side truss brace 9 is fixed, makes that the stability that a step improves mounting structure can be carried out between main couple 4 and side truss 5 in this way.

End coupling 10, support frame intermediate connector 11, collar tie beam are connected part 12 and collar tie beam external corner connecting piece 13 divides It is not provided with water power hole 29,32,18,23, four are all made of laser cutting steel plate and cold roll forming welds to form standard connection again Part.The roof truss cornice connector 14 forms standard connector using laser cutting steel plate and cold roll forming.Above-mentioned each component is done At having good versatility after standard connector, use can be directly bought when different houses is installed, does not need to customize.

Erection sequence: (column respective services hole generates in forming process column 1 according to design drawing, column 1 and base The connector that plinth, beam, roof truss, truss, collar tie beam connect is completed in factory-assembled) (transom bolt hole is according to design drawing for → crossbeam 33 Paper generates in forming process, and beam and beam connection are completed in factory-assembled) → ground steelframe 34 (steelframe rod piece bolt and nail hole Generated in forming process, steelframe is assembled into whole Pin in factory) and → 3 → support frame of collar tie beam 2 (it can be in factory or on-site consolidation, installation When whole Pin installation) → roof truss (can the whole Pin installation in factory or on-site consolidation, installation) → roof truss items connector.

The above has been described in detail, described above, is only a preferred embodiment of the present invention, when cannot It limit the scope of implementation of the present invention, i.e., it is all according to the made equivalent changes and modifications of the application range, it should still belong to covering scope of the present invention It is interior.

Claims

1. a prefabricated house structure is characterized in that: comprise upright column, beam, ground steel frame, roof truss support frame, ring beam and the main truss for forming the roof part, the support frame is installed on the upright post, and the upright post is fixed on the ground At least the lower and middle positions between the columns are connected with beams by connecting pieces, and the ground steel frame is installed between the beams located at the lower part of the columns; On the ring beam; an end connector is installed at the top of the column located at the outer position, and an intermediate connector of the support frame is installed at the top of the column at the middle position, and the two ends of the support frame are respectively connected to the column at the outer position through the end connector The middle of the support frame is connected and fixed with the column at the middle position through the middle connecting piece of the support frame; the two ends of the ring beam are also connected and fixed with the column at the outer angle position through the end connecting piece.

2. The prefabricated house structure according to claim 1 is characterized in that: the beam-column bidirectional connector is used to connect and fix between the upright column and the beam at the positive angle position, and the beam-column bidirectional connector connects the beam into a right-angle corner structure; The column located in the middle of the side wall and the beam are connected and fixed by the beam-column three-way connector, and the beam-column three-way connector connects the beam into a T-shaped structure; the column and the beam in the middle of the house are connected and fixed by the beam-column four-way connector. The beam-column four-way connector connects the beam into a cross-shaped structure; the beam-column two-way connector, the beam-column three-way connector and the beam-column four-way connector all include the main kit, and the beam-column two-way connector, beam-column three-way connector at the bottom of each column A chassis is fixed at the bottom of the main kit of the connector and the four-way beam-column connector, so that the entire house is fixed on the ground through the chassis. The center of the chassis has a water and electricity hole, which communicates with the through hole of the main kit.

3. The prefabricated house structure according to claim 2, characterized in that: the main set of the beam-column two-way connector is a box-shaped structure, the main set is a non-closed structure with a longitudinal gap in the side wall, and the main set There are through holes inside and openings at both ends. There are several screw holes on the side wall of the main kit. The uprights used to form the house frame pass through the through holes of the main kit, and the main kit and the uprights are fastened with screws through the screw holes. A first connecting arm and a second connecting arm are arranged on the side wall of the main assembly, and the first connecting arm and the second connecting arm respectively protrude vertically outward from two different side walls of the main assembly. Both the arm and the second connecting arm are provided with screw holes, and the cross beam is inserted into the first connecting arm or the second connecting arm and fastened and fixed by screws through the screw holes, so that the cross beam and the column are connected to form a frame structure; the first connecting arm and the The second connecting arm and the main assembly form a connecting piece of an integral assembly. Both the first connecting arm and the second connecting arm are hollow structures. Water and electricity holes are provided on each side wall of the main assembly. The first connecting arm and the second connecting arm are hollow structures. The through holes of the connecting arms are aligned with the water and electricity holes to form an access structure for the water and electricity lines.

4. The prefabricated house structure according to claim 2, characterized in that: the main set of the beam-column three-way connector has a structure that is nearly surrounded by four sides, which has three complete side walls, and the fourth side wall is provided with It is a structure with an open longitudinal gap; a first connecting arm, a second connecting arm and a third connecting arm are arranged on the side wall of the main kit, and the three are respectively connected from the three side walls to form a T-shaped structure and are in the same horizontal plane, and the first connecting arm and the second connecting arm, the third connecting arm and the second connecting arm are respectively vertical, the first connecting arm and the third connecting arm are located on the same line but protrude in opposite directions; after the column is inserted into the main kit , the three side walls are attached to three sides of the column, and the column is fastened by screws; the side walls opposite to the three connecting arms are provided with water and electricity holes, and the water and electricity holes are communicated with the through holes of each connecting arm.

5. The prefabricated house structure according to claim 2, characterized in that: the main set of the beam-column four-way connector has a structure that is nearly surrounded by four sides, which has three complete side walls, and a fourth side wall. The wall is set as a structure with an open longitudinal gap; a first connecting arm, a second connecting arm, a third connecting arm and a fourth connecting arm are arranged on the side walls of the main kit, and the four are respectively connected from the four side walls. A ten-shaped structure is formed and is on the same horizontal plane. The first connecting arm is opposite to the third connecting arm, and the second connecting arm is opposite to the fourth connecting arm; The upright column is fastened; hydroelectric holes are arranged on the side walls opposite to the four connecting arms, and the hydroelectric holes are communicated with the through holes of each connecting arm.

6. The prefabricated house structure according to claim 1, characterized in that: the end connector has a vertical sleeve that can be inserted into the top of the column, and the entire end connector is inserted into the vertical column through its vertical sleeve and used Bolts are fastened; the top of the vertical kit is welded with a support plate, the outer end of the support plate has an erected vertical baffle, and a straight out ring beam fixing lug is formed on the inner side of the support plate, and the bottom of both ends of the support frame is formed. The pillow is pressed on the support plate and fastened with bolts, and the two ends of the support frame are pressed on the inner surface of the vertical baffle and fastened with bolts; the end pillow of the ring beam is pressed on the fixed ear of the ring beam and bolted Fasten.

7. The prefabricated house structure according to claim 1 is characterized in that: the ring beam is connected and fixed with the middle column through the ring beam butt joint at the position where the ring beam is butted in the middle, and the ring beam butt joint has a main kit, the main There is a fixing ear on both sides of the bottom end of the kit, the ring beam butt joint is sleeved on the top of the column through its main kit and fastened with bolts, and the butt end pillow of the ring beam is pressed on the fixed ear and fastened with bolts; The top of the kit is welded with a groove support that is inclined towards the outside of the roof. The two ends of the groove support are groove walls. The inner sides of the two groove walls are each fixed with a cross beam by bolts, and the two cross beams are pressed against the groove support. superior.

8. The prefabricated house structure according to claim 1 is characterized in that: the middle connecting piece of the support frame has a vertical set, and the whole middle connecting piece of the support frame is inserted into the column through its vertical set and fastened with bolts; The top of the kit is welded with a support plate, on which the middle bottom pillow of the support frame is pressed and fastened with bolts.

9. The prefabricated house structure according to claim 1, characterized in that: it further comprises a side truss, the side truss is fixed between the sides of the two main trusses, and a main truss is provided at the docking position between the side of the main truss and the side truss The side truss is provided with a side truss inclined rod, and the main truss inclined rod and the side truss inclined rod are fixed in parallel; the side truss also includes longitudinal rods and transverse rods, and each longitudinal rod is perpendicular to the ring beam on the same plane. The cross bar is parallel to the ring beam on the same plane.

10. The prefabricated house structure according to claim 9, characterized in that: a ring beam positive angle connector is fixed at the top of the column at the external angle position where the main truss is aligned with the side truss, and the ring beam positive angle connector has a main Set, the ring beam male angle connector is fixed on the top of the column through its main set and fastened with bolts; the top of the main set is welded with side inclined supports, which are symmetrically inclined to two sides along the diagonal line, on both sides The bottom end of the inclined surface is provided with inclined baffles, and there is a gap between the two inclined baffles for the main truss inclined rod and the side truss inclined rod to pass through. the inclined surface of the supporting member; the end of a cross rod close to the inclined rod of the main truss and the end of a cross rod close to the inclined rod of the side truss are respectively pressed against the inclined surface of the inclined support member of the side truss, and are respectively connected with the inclined surface of the corresponding surface. The oblique baffles are fastened with bolts; the bottom end of the main kit is provided with a fixing lug on both sides adjacent to each other, and the end pillow of the ring beam is pressed on the fixed lugs and fastened with bolts; the end connectors, the middle connectors of the support frame, the ring The beam butt connector and the ring beam positive angle connector are all provided with water and electricity holes, and the four are all made of laser-cut steel plates, cold-formed, and then welded to form standard connectors;

The outer ends of the main truss inclined rod and the side truss inclined rod fixed in parallel are sealed and fixed by a roof truss cornice connecting piece. The roof truss cornice connecting piece is an inclined V-shaped structure. The truss diagonal rods are fixed; the roof truss cornice connectors are made of laser-cut steel plates and cold-formed to form standard connectors.