Fabricated outer wall system

Abstract

The utility model discloses an assembly type outer wall system which comprises a steel beam, a steel column, a floor slab and a wall body, the steel beam and the floor slab are vertically fixed on the steel column, and the steel beam, the steel column and the floor slab form a cavity. A component is fixed to the steel beam, the first limiting piece is installed on the component, the second limiting piece is installed on the floor, the wall can horizontally move between the first limiting piece and the second limiting piece, and the outer side of the wall is limited on the first limiting piece and the second limiting piece. The first connecting piece is fixed to the component, the first connecting piece and the first limiting piece are fixed to the upper end of the wall, the second connecting piece is fixed to the floor, and the second connecting piece and the second limiting piece are fixed to the lower end of the wall, so that the wall is arranged in the cavity in the vertical state. A wallboard is installed on the inner side of the wall body, and a veneer is installed on the outer side of the wall body. According to the utility model, the modularized wall body processed in a factory can be stably and quickly mounted in the middle frame formed by the steel beams and the steel columns.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fabricated building, and particularly relates to a fabricated outer wall system. BACKGROUND

[0002] Fabricated building refers to the fact that a large number of on-site operations in the traditional construction mode are transferred to a factory, building components and accessories (such as floor slabs, wall panels, staircases, balconies, etc.) are processed and manufactured in the factory, and are then transported to the construction site, where they are assembled and installed through reliable connection methods to form a building.

[0003] In the prior art, steel structures are used in building structures to reduce the self-weight of the structure, improve the seismic performance of the structure, and speed up construction, because they have the advantages of high material strength, good plasticity and toughness, and can be recycled and are environmentally friendly.

[0004] The use of steel structures to form a composite frame is prior art:

[0005] The applicant disclosed a utility model patent entitled "Four-corner connected corrugated steel plate shear wall" (authorized publication number: CN215054259U) on June 23, 2021, which forms a frame through frame columns and frame beams.

[0006] The applicant disclosed a utility model patent entitled "Composite frame with corrugated steel plate" (authorized publication number: CN218911737U) on December 8, 2022, which forms a frame through steel beams and steel columns.

[0007] The applicant disclosed a utility model patent entitled "Support and corrugated steel plate wall hybrid frame" (authorized publication number: CN220058440U) on April 26, 2023, which forms a frame through frame beams and steel columns.

[0008] The technical problem to be solved by those skilled in the art is how to stably and quickly install the modular wall body processed in the factory in the middle frame formed by the steel beams and steel columns. UTILITY MODEL CONTENTS

[0009] The utility model aims to solve the above technical problems in the prior art and provides a fabricated outer wall system that can stably and quickly install the modular wall body processed in the factory in the middle frame formed by the steel beams and steel columns.

[0010] To solve the above technical problems, the utility model adopts the following technical solutions:

[0011] An assembled outer wall system, comprising a steel beam, a steel column, a floor and a wall body, the steel beam and the floor are fixed on the steel column, and the steel beam, the steel column and the floor form a cavity.

[0012] The steel beam is fixed with a component, the limiting piece one is installed on the component, the limiting piece two is installed on the floor, and the wall body can move horizontally between the limiting piece one and the limiting piece two, and the outer side of the wall body is limited on the limiting piece one and the limiting piece two.

[0013] The connecting piece one is fixed on the component, the connecting piece one and the limiting piece one fix the upper end of the wall body, the connecting piece two is fixed on the floor, the connecting piece two and the limiting piece two fix the lower end of the wall body, so that the wall body is arranged in the cavity in a vertical state.

[0014] The inner side of the wall body is installed with a wall panel, and the outer side of the wall body is installed with a veneer.

[0015] Further, the limiting piece one adopts a through rod bolt, the through rod bolt comprises a bolt part one and a bolt part two connected with each other, the bolt part one is limited on the component, and the upper end of the wall body is limited on the bolt part two.

[0016] Further, the component is provided with a limiting hole, the bolt part one passes through the limiting hole, the bolt part one is provided with nuts, the component is limited between the two nuts of the bolt part one, the position of the through rod bolt at the component can be adjusted, when the through rod bolt limits the wall body, the wall body is arranged at a set position of the floor, and the integrity is improved.

[0017] Further, the limiting piece one adopts a limiting plate, the limiting plate comprises a limiting part one and a limiting part two connected with each other, the limiting part one is limited on the component by welding, and the upper end of the wall body is limited on the limiting part two.

[0018] Further, the component is provided with a through hole one, the connecting piece one is provided with a fixing bolt one, the fixing bolt one passes through the through hole one, the fixing bolt one moves in the through hole one along the length direction of the steel beam, and the fixing bolt one is provided with a nut one.

[0019] Further, the connecting piece one is provided with a through hole two and a through hole three, the fixing bolt one passes through the through hole two, so that the connecting piece one moves on the fixing bolt one along the width direction of the steel beam.

[0020] The wall body is provided with a fixing bolt two, the fixing bolt two passes through the through hole three, so that the connecting piece one moves on the fixing bolt two along the height direction of the steel beam, and the fixing bolt two is provided with a nut two.

[0021] Further, the limiting piece two comprises a limiting part three and a limiting part four connected with each other, the limiting part three is fixed on the floor by expansion bolts, the wall body is supported on the limiting part three and is limited on the limiting part four.

[0022] Further, the connecting piece one and the connecting piece two are both in L shape.

[0023] Further, the outer side of the wall body is provided with a dry hanging piece, the dry hanging piece is provided with a furring, and the facing panel is fixed on the furring.

[0024] Further, the inner side of the wall body is provided with a steel structure, and the wall plate is fixed on the steel structure.

[0025] Further, the limiting piece two comprises a limiting part three and a limiting part four connected with each other, the limiting part three is fixed on the floor by expansion bolts, the wall body is supported on the limiting part three and is limited on the limiting part four.

[0026] The utility model discloses the following beneficial effects are obtained by adopting the above technical scheme:

[0027] (1) the steel beam, the steel column and the floor form a cavity, and the wall body is a modular wall body processed in a factory, the wall body is transported to a construction site after being processed, the wall body of the utility model is made of light steel furring, and has the effects of energy saving and environmental protection.

[0028] In order to quickly and stably install the modular wall body, the limiting piece one is installed at the component of the steel beam, the limiting piece two is fixed at the floor, the wall body is pushed horizontally from the indoor to between the limiting piece one and the limiting piece two, at this time, the wall body keeps the vertical state, and the wall body is not easy to fall down. Then, the upper end of the wall body is fixed by the connecting piece one and the limiting piece one, the lower end of the wall body is fixed by the connecting piece two and the limiting piece two, so that the modular wall body can be quickly and stably fixed in the frame of the steel structure, at this time, the wall body is vertically arranged, the installation precision can be improved, the construction period can be shortened, the labor cost on site can be reduced, the economy of the building can be improved, and the structure of the wall body can be prevented from being damaged.

[0029] (2) the limiting piece one of the utility model is used for limiting the wall body in two ways:

[0030] The first mode is that the limiting member one adopts a through bolt, the through bolt comprises bolt part one and bolt part two which are connected, the bolt part one is limited on the component, and the upper end of the wall body is limited on the bolt part two.The through bolt can limit the upper end of the wall body, can bear the force applied by the wall body, and makes the modular wall body vertically arranged; the through bolt is cylindrical, and when limiting the wall body, point and surface contact is formed, so that the through bolt is less affected by the unevenness of the wall body; in addition, the through bolt has low cost, is convenient to manufacture, improves construction efficiency, and saves construction cost.

[0031] The component is provided with a limiting hole, the bolt part one passes through the limiting hole, the bolt part one is provided with nuts, the component is limited between the two nuts of the bolt part one, the position of the through bolt at the component can be adjusted, when the through bolt limits the wall body, the wall body is arranged at the set position of the floor slab, and the integrity is improved.

[0032] The second mode is that the limiting member one adopts a limiting plate, the limiting plate comprises limiting part one and limiting part two which are connected, the limiting part one is limited on the component through welding, and the upper end of the wall body is limited on the limiting part two.The limiting plate can limit the upper end of the wall body, can bear the force applied by the wall body, and makes the modular wall body vertically arranged; the limiting plate is convenient to process, has high installation speed, and improves construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0033] The utility model will be further described in connection with the drawings:

[0034] Figure 1 It is structural schematic diagram of assembly type outer wall system in the utility model;

[0035] Figure 2 It is structural schematic diagram of steel beam, steel column and floor slab connection in the utility model;

[0036] Figure 3 It is structural schematic diagram when the utility model is in component positioning welding;

[0037] Figure 4 It is Figure 3 Structural enlarged schematic diagram of A in the utility model;

[0038] Figure 5 It is structural schematic diagram when the utility model is in through bolt fixing;

[0039] Figure 6 It is Figure 5 Structural enlarged schematic diagram of B in the utility model;

[0040] Figure 7 It is structural schematic diagram when the utility model is in limiting the wall body on limiting member one and limiting member two;

[0041] Figure 8 It is Figure 7An enlarged structural schematic view at the middle C;

[0042] Figure 9 A structural schematic view when the utility model is used to fix the upper end of the wall body by the connecting piece one and the limiting piece one;

[0043] Figure 10 A structural schematic view when the utility model is used to fix the lower end of the wall body by the connecting piece two and the limiting piece two; Figure 9 An enlarged structural schematic view at the middle D;

[0044] Figure 11 A structural schematic view when the utility model is used to fix the lower end of the wall body by the connecting piece two and the limiting piece two;

[0045] Figure 12 A structural schematic view when the utility model is used to fix the lower end of the wall body by the connecting piece two and the limiting piece two; Figure 11 An enlarged structural schematic view at the middle E;

[0046] Figure 13 A structural schematic view when the utility model is used to fix the lower end of the wall body by the connecting piece two and the limiting piece two;

[0047] Figure 14 A structural schematic view of the component in the utility model;

[0048] Figure 15 A structural schematic view of the rod bolt in the utility model;

[0049] Figure 16 A structural schematic view of the connecting piece one in the utility model;

[0050] Figure 17 A structural schematic view of the wall body in the utility model;

[0051] Figure 18 A structural schematic view of the limiting piece two in the utility model;

[0052] Figure 19 A structural schematic view of the connecting piece two in the utility model;

[0053] Figure 20 A structural schematic view when the utility model is used to fix the lower end of the wall body by the connecting piece two and the limiting piece two;

[0054] Figure 21 A structural schematic view of the limiting plate in the utility model;

[0055] Figure 22 A structural schematic view of the dry hanging piece embodiment one in the utility model after installation;

[0056] Figure 23 A structural schematic view of the dry hanging piece embodiment one in the utility model after installation; Figure 22 An enlarged structural schematic view at the middle F;

[0057] Figure 24 A structural schematic view of the dry hanging piece embodiment one in the utility model after installation;

[0058] Figure 25 This is a schematic diagram of the structure of the dry-hanging component after installation in Embodiment 2 of this utility model;

[0059] Figure 26 for Figure 25 Enlarged schematic diagram of the structure at point G;

[0060] Figure 27 This is a schematic diagram of the structure of the dry-hanging component in Embodiment 2 of this utility model;

[0061] Figure 28 This is a structural schematic diagram of component three in this utility model;

[0062] Figure 29 This is a schematic diagram of the structure of the dry-hanging component after installation in Embodiment 3 of this utility model;

[0063] Figure 30 for Figure 29 Enlarged schematic diagram of the structure at point H;

[0064] Figure 31 This is a schematic diagram of the structure of the dry-hanging component in Embodiment 3 of this utility model;

[0065] Figure 32 This is a structural schematic diagram of component five in this utility model.

[0066] In the diagram, 1-steel beam; 2-steel column; 3-floor slab; 4-cavity; 5-component; 6-through hole one; 7-limiting hole; 8-through bolt; 81-bolt part one; 82-bolt part two; 9-nut; 10-connector one; 11-through hole two; 12-through hole three; 13-fixing bolt one; 14-nut one; 15-fixing bolt two; 16-nut two; 17-limiting part two; 171-limiting part four; 172-limiting part three; 18-expansion bolt; 19-connector two; 20-wall; 201 -Inner side; 202-Outer side; 21-Limiting plate; 211-Limiting part two; 212-Limiting part one; 22-Decorative panel; 23-Assembly one; 24-Keel; 25-Self-tapping screw; 26-Assembly two; 27-Assembly three; 28-Adjusting bolt one; 29-Nut three; 30-Groove one; 31-Groove two; 32-Through hole four; 33-Assembly four; 34-Through hole five; 35-Assembly five; 36-Adjusting bolt two; 37-Nut four; 38-Square steel; 39-Wall panel; 40-Opening. Detailed Implementation

[0067] like Figures 1 to 32As shown, the utility model assembly type outer wall system, including steel beam 1, steel column 2, floor 3 and wall 20. The utility model's wall adopts light steel keel to make, and it is processed in factory, obtains modular wall, can control the processing quality of wall, shortens the period of construction on site. Steel beam 1 and floor 3 are fixed on steel column 2, and steel beam 1, steel column 2 and floor 3 form frame, and the frame is provided with cavity 4 (such as Figure 2 As shown).

[0068] Steel beam 1 is fixed with U-shaped component 5, and limiting piece one is installed on component 5.

[0069] The utility model limiting piece one designs two embodiments:

[0070] 1) as Figure 13 , limiting piece one adopts wear rod bolt 8, and wear rod bolt 8 includes bolt part one 81 and bolt part two 82, and bolt part one 81 and bolt part two 82 are formed by press bending, and bolt part one 81 is horizontally limited on component 5, and the upper end of wall 20 is limited on the vertical bolt part two 82. Wear rod bolt 8 can limit the upper end of wall 20, which can withstand the force exerted by wall 20, so that the modular wall 20 is vertically arranged, and wear rod bolt 8 is cylindrical, which limits wall 20 as point and surface contact, and wear rod bolt 8 is less affected by the unevenness of wall 20. Moreover, wear rod bolt 8 has low cost, easy to manufacture, improves construction efficiency, and saves construction cost.

[0071] Component 5 is provided with limiting hole 7, bolt part one 81 passes through limiting hole 7, bolt part one 81 is provided with nut 9, and single wear rod bolt 8 uses two nuts 9 to limit component 5, and by adjusting the position of nut 9 on bolt part one 81, the position of wear rod bolt 8 at component 5 can be adjusted. When wear rod bolt 8 limits wall 20, wall 20 is arranged at the set position of floor 3, improves the integrity, and makes the wall keep vertical state.

[0072] 2) as Figure 20 , limiting piece one adopts limiting plate 21, and limiting plate 21 includes limiting part one 212 and limiting part two 211, and limiting part one 212 and limiting part two 211 are formed by press bending. Limiting part one 212 is fixed horizontally on component 5 by welding, and the upper end of wall 20 is limited on the vertical limiting part two 211. Limiting plate 21 can limit the upper end of wall 20, which can withstand the force exerted by wall 20, so that the modular wall 20 is vertically arranged, and limiting plate 21 is easy to process, and the installation speed is fast, which improves the construction efficiency.

[0073] The utility model limiting piece one adopts wear rod bolt 8 in the specific construction.

[0074] As Figure 18The specific structure of the limiting member 2 17 of this utility model is as follows: the limiting member 2 17 includes a limiting part 3 172 and a limiting part 4 171. The limiting part 3 172 and the limiting part 4 171 are formed by bending, so that the limiting member 2 17 is L-shaped. The horizontal limiting part 3 172 is fixed to the floor slab 3 by expansion bolts 18. The wall 20 is supported on the limiting part 3 172 and limited on the vertical limiting part 4 171.

[0075] This utility model pushes the wall 20 out of the room, and can move the wall 20 horizontally to the area between the first limiting member and the second limiting member 17, and limit the outer side 202 of the wall 20 on the first limiting member and the second limiting member 17. The first limiting member and the second limiting member 17 exert force on the wall 20 to prevent the wall 20 from tilting.

[0076] An L-shaped connector 10 is fixed to component 5, and connector 10 and limiting component 1 fix the upper end of wall 20. This utility model requires adjustment of connector 10 to ensure accurate alignment and a secure connection. Specifically: component 5 has a through hole 6, which is an elongated oval hole. To facilitate the later installation of fixing bolt 1, an enlarged hole is provided in the middle of through hole 6, with the cross-section of the enlarged hole being larger than the end cross-section of fixing bolt 1. Connector 10 has a fixing bolt 13, which is placed in through hole 6 after being enlarged. Fixing bolt 13 moves along the length of steel beam 1 within through hole 6, allowing connector 10 to move left and right. Fixing bolt 13 has a nut 14. Connector 10 also has through holes 11 and 12, both of which are elongated oval holes. Fixing bolt 13 passes through through hole 11, allowing connector 10 to move along the width of steel beam 1 on fixing bolt 13, and to move back and forth on connector 10. Wall 20 is equipped with fixing bolt 15, which passes through through hole 12, allowing connector 10 to move along the height of steel beam 1 on fixing bolt 15, and to move up and down on connector 10. Fixing bolt 15 is equipped with nut 16. After connector 10 is adjusted, tighten nuts 14 and 16.

[0077] like Figure 19 As shown, the second connector 19 of this utility model has the same structure as the first connector 10. The second connector 19 is fixed to the floor slab 3 by expansion bolts. The second connector 19 and the second limiting connector 17 are fixed to the lower end of the wall 20 by using fixing bolts and nuts, so that the wall 20 is kept vertical in the cavity 4.

[0078] The outer side 202 of the wall 20 is equipped with a dry-hanging bracket, on which a keel 24 is installed. The keel 24 is shaped like a "Z" and the decorative panel 22 is fixed to the keel 24. This utility model provides three embodiments for the dry-hanging bracket design:

[0079] 1) As Figures 22 to 24 , the dry hanging part adopts the assembly part one 23, the assembly part one 23 is formed with the groove one 30, the joist 24 is embedded in the groove one 30, and the joist 24 is accurately installed in the assembly part one 23. The assembly part one 23 is fixedly connected with the wall body 20 through the self-tapping screw 25, and the joist 24 is fixedly connected with the assembly part one 23 through the self-tapping screw 25, so that the joist 24 and the assembly part one 23 are firmly connected.

[0080] 2) As Figures 25 to 28 , the dry hanging part adopts the assembly part two 26 and the assembly part three 27, the assembly part two 26 is fixedly connected with the wall body 20 through the self-tapping screw 25, and the assembly part three 27 is formed with the groove two 31, and the assembly part two 26 is embedded in the groove two 31. The assembly part two 26 is provided with the vertical adjusting bolt one 28, the adjusting bolt one 28 is provided with the nut three 29, the assembly part three 27 is provided with the through hole four 32, the through hole four 32 is a long circular hole, the adjusting bolt one 28 passes through the through hole four 32, so that the assembly part three 27 moves on the adjusting bolt one 28 along the width direction of the steel beam 1, the assembly part three 27 moves forward and backward, and the position of the assembly part three 27 can be adjusted. The assembly part two 26 and the assembly part three 27 are fixedly connected through the self-tapping screw 25, and the joist 24 is fixedly connected with the assembly part three 27 through the self-tapping screw 25, so that the distance between the joist 24 and the wall body 20 can be adjusted, and fireproof material can be arranged between the joist 24 and the wall body 20.

[0081] 3) As Figures 29 to 32 , the dry hanging part adopts the assembly part four 33 and the assembly part five 35, the assembly part four 33 is fixedly connected with the wall body 20 through the self-tapping screw 25, and the assembly part four 33 is provided with the horizontal adjusting bolt two 36, the adjusting bolt two 36 is provided with the nut four 37, the assembly part five 35 is provided with the through hole five 34, the through hole five 34 is a long circular hole, and the adjusting bolt two 36 passes through the through hole five 34, so that the assembly part five 35 moves on the adjusting bolt two 36 along the width direction of the steel beam 1, the assembly part three 27 moves forward and backward, and the position of the assembly part three 27 can be adjusted. The assembly part four 33 and the assembly part five 35 are fixedly connected through the self-tapping screw 25, and the joist 24 is fixedly connected with the assembly part five 35 through the self-tapping screw 25, so that the distance between the joist 24 and the wall body 20 can be adjusted, and fireproof material can be arranged between the joist 24 and the wall body 20.

[0082] The inner side 201 of the wall body 20 is provided with a steel structure, the steel structure of the utility model is a square steel 38, the wall plate 39 is provided with a washing hole, and the washing hole and the square steel 38 are provided with the self-tapping screw 25.

[0083] The construction method of the fabricated external wall system comprises the following steps:

[0084] S1, component 5 positioning welding: according to the design drawing, using laser projector, ruler and other measuring tools, measure the line at the steel beam 1, determine the installation position of component 5. Then weld the U-shaped component 5 at the steel beam 1, if large quantities are needed in the later period, the component will be directly welded at the bottom of the steel beam 1 in the factory.

[0085] The stress of the component 5 directly affects the quality of the later wall body 20 installation, therefore, according to the wind load size (F), material strength (f) and component 5 size, the component 5 is U-shaped, and the two sides are folded edges, and the stress of the component 5 is calculated:

[0086] W = bt 2 / 6; M = F * L;

[0087] Component 5 bending moment checking: M / W≤f; (steel strength);

[0088] Weld strength checking: (weld strength);

[0089] The extrusion force of the fixed bolt 13 and the component 5 wall:

[0090] b - the width of the component;

[0091] t - the thickness of the component;

[0092] L - the maximum distance from the through hole of the component to the folded edge of the component;

[0093] d - the diameter of the fixed bolt;

[0094] F - the total wind load size;

[0095] F' - the wind load size of a single fixed bolt;

[0096] h e - the calculation thickness of the fillet weld, the right angle fillet weld is equal to 0.7h f , h f is the weld leg size;

[0097] l w - the calculation length of the fillet weld, the actual length is reduced by 2h f for each weld;

[0098] - the strength design value of the fillet weld;

[0099] - the bearing strength design value.

[0100] S2, limit piece two 17 is fixed: according to the design drawing, using laser projection instrument, ruler and other measuring tools, measure the line at the floor 3, determine the installation position of the limit piece two 17. The limit piece two 17 of the utility model includes the limit part three 172 and the limit part four 171 connected, the limit part three 172 and the limit part four 171 are L-shaped, the limit part three 172 is fixed on the floor 3 through the expansion bolt 18, the limit piece is installed firmly, the position is accurate, and the displacement in the subsequent installation process is prevented.

[0101] S3, the rod bolt 8 is fixed: a nut 9 is screwed into the bolt part one 81 of the rod bolt 8, then the bolt part one 81 is passed through the limiting hole 7 of the component 5, then another nut 9 is screwed into the bolt part one 81, the positions of the two nuts 9 on the bolt part one 81 are adjusted, the two nuts 9 on the single rod bolt 8 are locked on the component 5, so that the horizontal distance between the bolt part two 82 and the component 5 is the set distance.

[0102] S4, wall 20 installation:

[0103] (1) the wall 20 is pushed to the limit piece one and the limit piece two 17, and the upper end of the wall 20 is limited on the bolt part two 82, and the lower end of the wall 20 is limited on the limit piece two 17.

[0104] (2) the connecting piece one 10 is fixed on the component 5, and the connecting piece one 10 and the upper end of the wall 20 are fixedly connected, so that the connecting piece one 10 and the limit piece one fix the upper end of the wall 20.

[0105] (3) according to the design requirement and the actual situation on site, the horizontal direction and the vertical direction of the wall 20 are adjusted using a crowbar and a wooden beam, the surface of the wall 20 is protected during the adjustment process, and scratching is avoided, and the adjustment can be carried out by multiple people.

[0106] (4) the connecting piece two 19 is fixed on the floor 3, and the connecting piece two 19 and the lower end of the wall 20 are fixedly connected, so that the connecting piece two 19 and the limit piece two 17 fix the lower end of the wall 20.

[0107] According to the actual demand, when the wall 20 is installed, the window sill wall can be installed between the adjacent two walls 20 through the fixing piece, and the hole 40 is formed between the window sill wall and the wall 20 for the installation of the window.

[0108] After installation is completed, foaming agent and other light materials are used to fill the gaps left between the wall 20 and the steel beam 1 and the wall 20 and the steel column 2.

[0109] S5, the wallboard 39 of the utility model adopts ALC wallboard, installs the ALC wallboard on the square steel 38 of the inside 201 of wall body 20 through self-tapping screw, adopts foaming agent to close the edge between the top of ALC wallboard and steel beam 1, simultaneously adopts fine stone concrete to close the edge between the bottom of ALC wallboard and steel beam 1.

[0110] S6, installs dry hanging piece on the outside 202 of wall body 20, installs batten 24 on dry hanging piece, batten 24 is several Chinese characters, then fixes finish board 22 on batten 24.

[0111] The above is only the specific embodiment of the utility model, but the technical features of the utility model are not limited to this. Any simple change, equivalent replacement or modification, etc. made on the basis of the utility model to solve basically the same technical problem and realize basically the same technical effect is all covered in the protection scope of the utility model.

Claims

1. A prefabricated exterior wall system, comprising steel beams, steel columns, floor slabs, and walls, wherein the steel beams and floor slabs are fixed vertically to the steel columns, and the steel beams, steel columns, and floor slabs form a cavity; Its features are, It also includes limit component one, limit component two, connector one, and connector two; The steel beam is fixed with a component, the first limiting member is installed on the component, the second limiting member is installed on the floor slab, the wall can move horizontally between the first limiting member and the second limiting member, and the outer side of the wall is limited by the first limiting member and the second limiting member; The first connector is fixed to the component, the first connector and the first limiting member fix the upper end of the wall, the second connector is fixed to the floor slab, and the second connector and the second limiting member fix the lower end of the wall, so that the wall is set in the cavity in a vertical state; Wall panels are installed on the inner side of the wall, and decorative panels are installed on the outer side of the wall.

2. The prefabricated exterior wall system according to claim 1, characterized in that: The limiting component is a through-rod bolt; The through bolt includes a bolt part one and a bolt part two connected to each other. The bolt part one is limited on the component, and the upper end of the wall is limited on the bolt part two.

3. The prefabricated exterior wall system according to claim 2, characterized in that: The component is provided with a limiting hole, the bolt part passes through the limiting hole, the bolt part is provided with a nut, and the component is limited between the two nuts of the bolt part.

4. The prefabricated exterior wall system according to claim 1, characterized in that: The limiting component is a limiting plate; The limiting plate includes a limiting part one and a limiting part two connected to each other. The limiting part one is limited on the component by welding, and the upper end of the wall is limited on the limiting part two.

5. The prefabricated exterior wall system according to claim 1, characterized in that: The component is provided with a through hole, and the connector is provided with a fixing bolt. The fixing bolt passes through the through hole and moves along the length of the steel beam in the through hole. The fixing bolt is provided with a nut.

6. The prefabricated exterior wall system according to claim 5, characterized in that: The first connector is provided with a second through hole and a third through hole. The first fixing bolt passes through the second through hole, allowing the first connector to move along the width direction of the steel beam on the first fixing bolt. The second wall is provided with a second fixing bolt, which passes through the third through hole, allowing the first connector to move along the height direction of the steel beam on the second fixing bolt. The second fixing bolt is provided with a second nut.

7. The prefabricated exterior wall system according to claim 1, characterized in that: The second limiting component includes a third limiting part and a fourth limiting part connected to each other. The third limiting part is fixed to the floor slab by expansion bolts. The wall is supported on the third limiting part and limited on the fourth limiting part.

8. The prefabricated exterior wall system according to claim 1, characterized in that: Both connector one and connector two are L-shaped.

9. The prefabricated exterior wall system according to claim 1, characterized in that: The outer side of the wall is provided with a dry-hanging component, the dry-hanging component is equipped with a keel, and the decorative panel is fixed on the keel.

10. The prefabricated exterior wall system according to claim 1, characterized in that: The inner side of the wall is provided with a steel structure, and the wall panel is fixed to the steel structure.

Images