CN211898333U - Prefabricated building structure - Google Patents

Abstract

The utility model provides a prefabricated building structure, which comprises a hollow part, a solid part, a first cage body and a mounting plate, wherein the hollow part is connected with the solid part, a core groove is arranged in the hollow part, and the first cage body is arranged in the solid part and the hollow part; the mounting panel sets up on the wall that core groove is close to solid portion one end, and the mounting panel is connected in first cage body. The mounting panel can play the supporting role in prefabricated building structure is inside, prevents that prefabricated building structure warp at the in-service process, can also prevent that the core groove concrete drops on being close to the wall of solid portion relatively.

Description

Prefabricated building structure

Technical Field

The utility model relates to a building technical field especially relates to a prefabricated building structure.

Background

In the field of building technology, in order to facilitate production and processing and reduce construction time, a prefabricated building structure is generally manufactured in a factory and then transported to a construction site for use. Most of the existing prefabricated building structures are solid structures or hollow structures, but the solid structures have the problems of overlarge weight, difficulty in transportation, waste of raw materials and the like; on the other hand, although the hollow structure can save raw materials, the shock resistance mechanical property and durability of the hollow structure cannot be guaranteed. Therefore, there is a need for an improved prefabricated building structure that can not only reduce weight and save raw materials, but also ensure its seismic mechanical properties and durability.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for an improved prefabricated building structure.

The utility model provides a prefabricated building structure, which comprises a hollow part, a solid part, a first cage body and a mounting plate, wherein the hollow part is connected with the solid part, a core groove is arranged in the hollow part, and the first cage body is arranged in the solid part and the hollow part; the mounting plate is arranged on the wall surface of one end, close to the solid part, of the core groove, and the mounting plate is connected to the first cage body.

The pile body in the prefabricated building structure provided by the utility model comprises a solid part and a hollow part, so that the consumption of raw materials is reduced, the weight is lightened, and the manufacturing cost is saved; meanwhile, when the prefabricated building structure is buried underground, the solid part is only required to be positioned in a depth area with the highest seismic wave occurrence frequency below the foundation, so that the seismic capacity of the prefabricated building structure can be ensured, and the reliability of the prefabricated building structure in service is ensured. Meanwhile, the solid part prevents underground water from entering the interior of the prefabricated building structure, effectively resists the corrosion of the underground water to the interior of the prefabricated building structure, and ensures the durability of the prefabricated building structure. In addition, the mounting panel can play the supporting role in prefabricated building structure inside, prevents that prefabricated building structure warp at the in-service process, can also prevent that the core groove concrete on being close to the wall of solid portion relatively drops.

In an embodiment of the present invention, the mounting plate is connected to the first cage by welding and/or binding.

So set up, in prefabricated building structure's production process, the relative position between mounting panel and the first cage body is fixed, is favorable to improving prefabricated building structure's bearing capacity and wholeness.

The utility model discloses an in one embodiment, prefabricated building structure still includes the supplementary muscle body, the one end of the supplementary muscle body connect in the mounting panel, the other end connect in the first cage body.

So set up for the connected mode between mounting panel and the first cage body is more nimble, and low cost is applicable to multiple operating mode.

In one embodiment of the present invention, the auxiliary rib is welded and/or bound to the mounting plate; and/or the presence of a catalyst in the reaction mixture,

the auxiliary rib body is connected with the first cage body in a welding and/or binding mode.

By the arrangement, the welding can ensure the connection strength and increase the bearing capacity and integrity of the prefabricated building structure; the binding connection can avoid the prefabricated building structure from generating internal stress in the production process and prevent the prefabricated building structure from cracking and other defects in the service process.

In one embodiment of the present invention, the thickness of the mounting plate is 0.5mm to 100 mm.

By the arrangement, a better supporting effect can be achieved, and excessive cost cannot be increased.

In an embodiment of the present invention, the first cage body includes a plurality of first axial ribs, the first axial ribs being disposed along an axial direction of the prefabricated building structure; the first axial rib body is connected to the mounting plate.

So set up, the axial setting of prefabricated building structure is followed to the first axial muscle body, is convenient for weld or the ligature is connected with the mounting panel.

In one embodiment of the present invention, the first cage further comprises a first radial rib; the first axial rib bodies form a frame of the first cage body, the first radial rib bodies spirally surround the frame of the first cage body, and the first radial rib bodies are fixedly connected with the first axial rib bodies.

Due to the arrangement, the first cage body is high in bearing strength and simple to process, and only a plurality of first axial rib bodies are required to be axially transported, and meanwhile, the first radial rib bodies are wound on the frame formed by the first axial rib bodies, so that the working hours are saved; and can increase the number of turns and the encryption length that first radial muscle body spiral was around at the great position of atress degree as required, if increase the number of turns and the encryption length that first radial muscle body spiral was around at the both ends of first cage body, prevent that prefabricated building structure from suffering structural damage too big bearing when burying underground.

The utility model discloses an in one embodiment, prefabricated building structure still includes the second cage body, the second cage body set up in the solid portion and holding in the first cage body, the one end of the second cage body extend to the mounting panel and with the mounting panel is connected.

So set up, the setting of the second cage body has improved the local reinforcement rate of solid portion department for vertical atress ability and anti-shear force ability do not fall the anti-liter for solid pile, improve prefabricated building structure's tensile ability, compressive capacity, shock resistance and durability. In addition, the second cage body extends to the mounting plate, the second cage body is relatively accurate in positioning during production, and force borne by the second cage body in the service process can be transmitted to the mounting plate, so that the bearing capacity and integrity of the prefabricated building structure are improved.

In an embodiment of the present invention, the second cage includes a plurality of second axial ribs, and the second axial ribs are arranged along an axial direction of the prefabricated building structure; one end of the second axial rib body is connected to the mounting plate.

So set up, the vertical direction's that the second axial muscle body of being convenient for bore power transmission to mounting panel improves prefabricated building structure's wholeness ability.

In one embodiment of the present invention, the second cage comprises second radial ribs, a plurality of the second radial ribs forming a frame of the second cage, the second radial ribs spirally surrounding the frame of the second cage; and the second radial rib body is fixedly connected with the second axial rib body.

Due to the arrangement, the second cage body is simple and convenient in processing method and easy to produce, meanwhile, the binding force between the second axial rib body and the second radial rib body is strong, the strength of the cage body is high in the using process, and the cage body is not easy to deform.

Drawings

Fig. 1 is a schematic view of a prefabricated building structure according to a first embodiment of the present invention;

FIG. 2 is a cross-sectional view of the prefabricated building structure of FIG. 1 taken along section A-A;

FIG. 3 is a cross-sectional view of the prefabricated building structure of FIG. 1 taken at section B-B;

fig. 4 is a schematic view of a prefabricated building structure according to a second embodiment of the present invention;

FIG. 5 is a schematic view of the use of the pre-buried connector shown in FIG. 1;

FIG. 6 is a schematic view of the use of two prefabricated building structures in abutting joint;

FIG. 7 is a schematic diagram of a quick docking assembly according to one embodiment;

FIG. 8 is a schematic structural view of a quick docking assembly according to another embodiment;

FIG. 9 is a schematic view of a prefabricated building structure and a platform;

fig. 10 is a partially enlarged view of the portion C shown in fig. 9.

Description of the main elements

100. Prefabricating a building structure; 10. a hollow portion; 20. a solid portion; 30. a first cage; 40. a second cage; 50. mounting a plate; 60. a corner protecting sleeve; 70. pre-burying a connecting piece; 11. a core groove; 31. a first axial rib body; 32. a first radial rib; 41. a second axial rib; 42. a second radial rib body; 51. an auxiliary tendon body; 71. a constriction; 72. an annular projection; 311. heading; 200. a quick docking assembly; 210. a first insert table; 211. a first fixed part; 212. a first insertion part; 213. a first extension portion; 214. a first step surface; 220. a first base; 221. a second fixed part; 222. a fin; 230. a second insert table; 231. a third fixed part; 232. a second insertion part; 233. a first groove; 240. a second base; 241. a first end face; 242. a second end face; 250. looping; 300. a pile hoop; 400. a bearing platform; 410. force transmission rib body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

The prefabricated building structure 100 refers to various pile bodies which are transported to a construction site for use after being prefabricated. The prefabricated building structure 100 may be produced centrally in a factory or prefabricated around a site. The axial length and the radial circumference of the prefabricated building structure 100 can be made as required, and the reinforcement ratio can be designed according to the stress during the transportation, hoisting and pressing of the pile, so that the flexibility is high. In addition, the prefabricated building structure 100 belongs to a part of soil-squeezing piles, so that the cross-sectional area of a bearing platform is effectively saved, the manufacturing cost is saved, the stress release of soil bodies after the soil bodies are damaged is facilitated, the phenomena of pile body inclination and the like caused by soil body squeezing are reduced, and the construction of other nearby pile bodies is facilitated.

Fig. 1 is a schematic view of a prefabricated building structure according to a first embodiment of the present invention; FIG. 2 is a cross-sectional view of the prefabricated building structure of FIG. 1 taken along section A-A; fig. 3 is a cross-sectional view of the prefabricated building structure shown in fig. 1, taken along section B-B.

The utility model provides a prefabricated building structure 100 is applied to the foundation building among the building technology field. In this embodiment, the prefabricated building structure 100 is used to prefabricate a vertically stressed pile. It is understood that in other embodiments, the prefabricated building structure 100 may also be used in other engineering fields, such as fabricated buildings, etc., and may also be used for horizontal load-bearing piles or composite load-bearing piles, etc.

Most of the existing prefabricated building structures are solid structures or hollow structures, but the solid structures have the problems of overlarge weight, difficulty in transportation, waste of raw materials and the like; on the other hand, although the hollow structure can save raw materials, the shock resistance mechanical property and durability of the hollow structure cannot be guaranteed.

The utility model provides a prefabricated building structure 100, including hollow portion 10, solid portion 20, first cage body 30 and mounting panel 50, hollow portion 10 connects to solid portion 20, and the inside of hollow portion 10 is seted up core slot 11, and first cage body 30 sets up in solid portion 20 and hollow portion 10; the mounting plate 50 is provided on a wall surface of the core barrel 11 near one end of the solid portion 20, and the mounting plate 50 is connected to the first cage 30.

The prefabricated building structure 100 provided by the utility model comprises a hollow part 10 and a solid part 20, which not only reduces the consumption of raw materials, reduces the weight and saves the manufacturing cost; when the prefabricated building structure 100 is buried underground, the central unit 20 is located in a depth region (generally 2 meters to 15 meters below the foundation) where the frequency of seismic waves is the highest below the foundation, so that the seismic capacity of the prefabricated building structure 100 can be ensured, and the reliability of the prefabricated building structure 100 in service is ensured. In addition, when the core groove 11 is used with the opening facing downward, the prefabricated building structure 100 applies pressure to the solid part 20 when being buried underground, so that the phenomenon that the prefabricated building structure 100 is damaged due to excessive pressure intensity can be avoided; at this time, the core groove 11 can be sealed with external members such as a pile tip to prevent the entry of groundwater. When the core hole 11 is used with its opening facing upward, the solid portion 20 prevents groundwater from entering the interior of the prefabricated construction structure 100, effectively resists the groundwater from corroding the interior of the prefabricated construction structure 100, and ensures the durability of the prefabricated construction structure 100 without a core filling process. In addition, the mounting plate 50 can support the interior of the prefabricated building structure 100, prevent the prefabricated building structure 100 from being deformed during service, and prevent concrete from falling off from the wall surface of the core pit 11 relatively close to the solid portion 20.

In one embodiment of the present invention, the mounting plate 50 is welded and/or bound to the first cage 30.

So set up, in prefabricated building structure 100's production process, the relative position between mounting panel 50 and the first cage 30 is fixed, is favorable to improving prefabricated building structure 100's load-carrying capacity and wholeness.

Referring to fig. 4, fig. 4 is a schematic view of a prefabricated building structure according to a second embodiment of the present invention.

In one embodiment of the present invention, the prefabricated building structure 100 further comprises an auxiliary rib 51, one end of the auxiliary rib 51 is connected to the mounting plate 50, and the other end is connected to the first cage 30.

So set up for the connected mode between mounting panel 50 and the first cage 30 is more nimble, and low cost is applicable to multiple operating mode.

In one embodiment of the present invention, the auxiliary rib 51 is welded and/or bound to the mounting plate 50; and/or the presence of a catalyst in the reaction mixture,

the auxiliary rib 51 is welded and/or bound to the first cage 30.

Due to the arrangement, the welding can ensure the connection strength and increase the bearing capacity and integrity of the prefabricated building structure 100; the lashing connection can avoid the prefabricated building structure 100 from generating internal stress in the production process and prevent the prefabricated building structure 100 from cracking and other defects in the service process.

In one embodiment of the present invention, the thickness of the mounting plate 50 is 0.5mm to 100 mm.

By the arrangement, a better supporting effect can be achieved, and excessive cost cannot be increased.

It is understood that the outer edge of the cross section of the first cage 30 is circular or polygonal, and the polygonal is triangular, square/rectangular, pentagonal, hexagonal, etc., which are not listed here.

With such an arrangement, the first cages 30 of different shapes can be designed according to the practical application and the corresponding stress condition of the prefabricated building structure 100, so as to achieve different force bearing effects.

In one embodiment of the present invention, the first cage 30 is made of prestressed steel bars.

According to the arrangement, before the prefabricated building structure 100 is used, prestress is applied to the steel bars in advance through a pre-tensioning method or a post-tensioning method to form prestressed steel bars, when the prefabricated building structure 100 bears tensile force generated by external load, the existing prestress in concrete is firstly counteracted, then the prestressed steel bars are stressed, and finally, the concrete is tensioned and then cracks appear along with the increase of the load, so that the appearance and the development of the cracks of the prefabricated building structure 100 are delayed, and the loads such as soil body extrusion, underground water scouring, earthquake load and self-gravity load which can be borne by the prefabricated building structure 100 are improved. The deformed steel bar is a steel bar with a rib on the surface, and can better bear the action of external force due to the function of the rib and the larger bonding capacity of concrete. The first cage 30 is made of prestressed steel bars, so that the solid portion 20 and the hollow portion 10 have high vertical stress capability, and an integral stress foundation is formed.

In an embodiment of the present invention, the first cage 30 comprises a plurality of first axial ribs 31, the first axial ribs 31 being disposed along an axial direction of the prefabricated building structure 100; the first axial rib 31 is connected to the mounting plate 50.

So arranged, the first axial rib 31 is arranged along the axial direction of the prefabricated building structure 100, and is convenient to be welded or bound with the mounting plate 50.

In one embodiment of the present invention, said first cage 30 further comprises first radial ribs 32; the first axial ribs 31 form a framework of the first cage 30, the first radial ribs 32 spirally surround the framework of the first cage 30, and the first radial ribs 32 are fixedly connected with the first axial ribs 31.

With the arrangement, the first cage body 30 has high bearing strength and simple processing, and only the first radial rib bodies 32 are wound on the frame formed by the first axial rib bodies 31 while the plurality of first axial rib bodies 31 are axially transported, so that the working hours are saved; and can increase the number of turns and the encryption length that first radial muscle body 32 spirals around at the great position of atress degree as required, for example increase the number of turns and the encryption length that first radial muscle body 32 spirals around at the both ends of first cage 30, prevent that prefabricated building structure 100 from suffering structural failure when burying underground the excessive strength of bearing.

In one embodiment, the first axial reinforcement 31 is made of at least one of a steel bar for prestressed concrete (PC steel bar), a stainless steel bar, a hot rolled steel bar, a medium strength prestressed wire, a stress relief wire, a stranded wire, and a prestressed twisted steel; and/or the presence of a catalyst in the reaction mixture,

the first radial rib 32 is made of at least one of a steel bar for prestressed concrete (PC steel bar), a stainless steel bar, a hot rolled steel bar, a medium strength prestressed wire, a stress-relief wire, a strand, a prestressed twisted steel, a low carbon hot rolled steel disc strip, and a cold drawn low carbon wire for concrete products.

Preferably, the hollow portion 10 and the solid portion 20 are made of a concrete material, and the outer peripheral walls of the hollow portion 10 and the solid portion 20 are substantially the same shape.

In an embodiment of the present invention, the prefabricated building structure 100 further includes a second cage body 40, the second cage body 40 is disposed in the solid portion 20 and is accommodated in the first cage body 30, and one end of the second cage body 40 extends to the mounting plate 50 and is connected to the mounting plate 50.

With such an arrangement, the arrangement of the second cage body 40 improves the local reinforcement ratio at the solid part 20, so that the longitudinal stress capacity and the anti-shearing force capacity are not lowered or raised relative to the solid pile, and the tensile capacity, the compressive capacity, the seismic capacity and the durability of the prefabricated building structure 100 are improved. In addition, the second cage 40 extends to the mounting plate 50, so that not only is the positioning of the second cage 40 relatively accurate during production, but also the force applied to the second cage 40 during service can be transmitted to the mounting plate 50, thereby increasing the bearing capacity and integrity of the prefabricated building structure 100.

In one embodiment, the prefabricated building structure 100 is a partially hollow square pile. At this time, the prefabricated building structure 100 is substantially rectangular parallelepiped, the hollow portion 10 and the solid portion 20 are also substantially rectangular parallelepiped and made of concrete, and a core groove 11 having a cylindrical peripheral wall is opened in the middle of the hollow portion 10; the second cage 40 and the first cage 30 are both substantially rectangular, the second cage 40 is disposed in the solid portion 20, the first cage 30 is disposed in the hollow portion 10 and the solid portion 20, and the second cage 40 is fitted over the first cage 30.

It is understood that in other embodiments, the prefabricated building structure 100 may also be substantially cylindrical or polygonal (e.g., triangular, pentagonal, hexagonal, octagonal, etc.) cylindrical; the peripheral wall of the core hole 11 may have a polygonal (e.g., triangular, square, rectangular, pentagonal, hexagonal, octagonal, etc.) cylindrical shape.

In other embodiments, the second cage 40 may be located inside the solid portion 20, which may prevent the second cage 40 from being exposed to air and corroded.

It is understood that the outer edge of the cross-section of the second cage 40 is circular or polygonal, and the polygonal shape is triangular, square/rectangular, pentagonal, hexagonal, etc., which are not listed here.

With the arrangement, the second cages 40 in different shapes can be designed according to the practical application and the corresponding stress condition of the prefabricated building structure 100, so as to achieve different force bearing effects.

In one embodiment of the present invention, the second cage 40 is made of prestressed or deformed steel.

So set up, second cage 40 can select prestressing steel or screw-thread steel as required, and prestressing steel can further improve prefabricated building structure 100's vertical atress ability, and the screw-thread steel can reduce prefabricated building structure 100's cost of manufacture.

In an embodiment of the present invention, the second cage 40 includes a plurality of second axial ribs 41, the second axial ribs 41 are disposed along an axial direction of the prefabricated building structure 100; one end of the second axial rib 41 is connected to the mounting plate 50.

So set up, the vertical direction's that the second axial muscle body 41 of being convenient for bore power transmits to mounting panel 50, improves prefabricated building structure 100's wholeness ability.

In one embodiment of the present invention, said second cage 40 comprises second radial ribs 42, a plurality of said second axial ribs 41 forming the frame of said second cage 40, said second radial ribs 42 spirally surrounding the frame of said second cage 40; the second radial rib 42 is fixedly connected with the second axial rib 41.

Due to the arrangement, the second cage body 40 is simple and convenient in processing method and easy to produce, meanwhile, the binding force between the second axial rib body 41 and the second radial rib body 42 is strong, the strength of the cage body is high in the using process, and the cage body is not easy to deform.

In one embodiment, the second axial rib body 41 is made of at least one of deformed steel bars, steel bars for prestressed concrete (PC steel bars), stainless steel bars, hot rolled steel bars, medium strength prestressed wires, stress relief wires, steel strands, and prestressed deformed steel bars; and/or the presence of a catalyst in the reaction mixture,

the second radial rib 42 is made of at least one of deformed steel bars, prestressed concrete steel bars (PC steel bars), stainless steel bars, hot-rolled steel bars, medium-strength prestressed steel wires, stress-relief steel wires, steel strands, prestressed twisted steel bars, low-carbon steel hot-rolled disc strips, and cold-drawn low-carbon steel wires for concrete products.

It is understood that, in other embodiments, the first radial rib 32 and the first axial rib 31, and the second axial rib 41 and the second radial rib 42 may be fixed by snap-fitting or the like, which is not illustrated herein.

In an embodiment of the present invention, the prefabricated building structure 100 further includes a corner protector 60, the corner protector 60 being disposed on an end of the solid portion 20 relatively far from the hollow portion 10, and/or the corner protector 60 being disposed on an end of the hollow portion 10 relatively far from the solid portion 20.

With such an arrangement, the precast building structure 100 can be prevented from falling off the concrete on the end of the precast building structure 100 during the process of being buried underground or during service, which causes the first cage 30 or the second cage 40 to be exposed to corrosion, so that the strength of the precast building structure 100 is reduced.

Specifically, the corner protector 60 is made of stainless steel; the thickness of the corner protector 60 is 0.5mm to 12mm, and the height of the corner protector 60 in the axial direction of the prefabricated building structure 100 is 60mm to 500 mm. Preferably, the corner protector 60 has a thickness of 1mm to 8mm, and the height of the corner protector 60 in the axial direction of the prefabricated building structure 100 is 80mm to 200 mm.

Referring to fig. 5, fig. 5 is a schematic structural diagram of the embedded connector 70 shown in fig. 1.

In an embodiment of the present invention, the second cage 40 is provided with a pre-embedded connector 70, and the pre-embedded connector 70 is located at an end of the solid portion 20 relatively far away from the hollow portion 10.

So configured, at the time of building construction, the prefabricated building structure 100 is generally required to be spliced with another prefabricated building structure to extend the length of the prefabricated building structure 100, or a cap 400 is poured after reinforcing bars are connected to the top of the prefabricated building structure 100 to bear superstructure. The second cage body 40 is provided with the embedded connecting piece 70, so that the combination rate of the two prefabricated building structures 100 can be increased; or the reinforcement ratio of the bearing platform 400 is improved, the connection mode between the prefabricated building structure 100 and the bearing platform 400 is simplified, the force transmission link in the stress process is reduced, the integral vertical stress capacity of the prefabricated building structure 100 is improved, and the mechanical property of the prefabricated building structure 100 and the bearing platform is guaranteed.

In one embodiment, the embedded connector 70 has an internal thread, the second axial rib 41 has an external thread, and the second axial rib 41 is connected with the embedded connector 70 through a thread.

In one embodiment, the pre-embedded connector 70 has a contraction opening 71 for connecting with the second axial rib 41 or the first axial rib 31; the end of the second axial rib 41 or the first axial rib 31 connected with the embedded connector 70 is provided with an upset 311, and the contraction opening 71 is used for limiting the upset 311.

In one embodiment of the present invention, the embedded connector 70 is further protruded with an annular protrusion 72 on the outer peripheral wall relatively close to the end of the prefabricated building structure 100. Preferably, the outer diameter of the annular protrusion 72 is gradually reduced from the end part of the embedded connector 70 to the middle part; the outer peripheral wall of the annular projection 72 is an arc surface.

With such an arrangement, the annular protrusion 72 can homogenize the prestress, so that the prestress which can be borne by the second cage 40 and/or the first cage 30 during the pre-stretching is larger, and the damage of the pre-buried connecting piece 70 is prevented.

It should be noted that the embedded connectors 70 in the two prefabricated building structures 100 may be of the same type or different types, and may be selected according to the working conditions.

In one embodiment of the present invention, the pre-buried connector 70 is formed together with the prefabricated building structure 100. It is understood that in other embodiments, the pre-embedded connectors 70 may be later connected to the second cage 40 or the first cage 30. The operation steps are that the concrete at the end of the prefabricated building structure 100 is chiseled to expose the first axial direction reinforcing steel bar or the second axial direction reinforcing steel bar, then the embedded connector 70 is connected to the end of the first axial direction reinforcing steel bar or the second axial direction reinforcing steel bar, and then the end of the first axial direction reinforcing steel bar or the second axial direction reinforcing steel bar is formed with the upset 311 by hot working, thus completing the connection.

The prefabricated building structures 100 may be used not only alone, but in combination with a plurality of prefabricated building structures 100. For example, two, three, four or even more prefabricated building structures 100 may be docked for use as required by the operating conditions.

Referring to fig. 6, fig. 6 is a schematic view illustrating the butt joint of two prefabricated building structures 100.

In one embodiment, the first cage 30 of each of the two prefabricated building structures 100 is provided with a quick connector, and the two quick connectors can be connected by a quick docking assembly 200 to extend the length of the prefabricated building structure 100.

In one embodiment, the quick docking assembly 200 is a ferrous metal. Preferably, the quick dock assembly 200 is carbon steel or alloy steel. Specifically, the quick butt joint assembly 200 is carbon steel, chromium vanadium steel, chromium nickel steel, chromium molybdenum steel, chromium nickel molybdenum steel, chromium manganese silicon steel, ultra-high strength steel or stainless steel. It is understood that in other embodiments, the quick dock assembly 200 may be constructed of other materials.

Referring to fig. 7, fig. 7 is a schematic structural diagram of a quick docking assembly according to an embodiment.

The quick docking assembly 200 in the first embodiment includes a first docking station 210 and a first base 220, the first docking station 210 includes a first fixing portion 211, a first inserting portion 212 and a first extending portion 213 located between the first fixing portion 211 and the first inserting portion 212, the first base 220 includes a second fixing portion 221 and a plurality of fins 222 connected to the second fixing portion 221, the first docking station 210 is connected to the quick connector of one of the prefabricated building structures 100 through the first fixing portion 211, and the first base 220 is connected to the quick connector of another prefabricated building structure 100 through the second fixing portion 221; the first plug part 212 is convexly arranged on the first extension part 213, and a first step surface 214 is formed between the first plug part 212 and the first extension part 213; the plurality of fins 222 are arranged around each other; the first inserting stage 210 can pass through the openings defined by the plurality of fins 222 through elastic expansion of the fins 222, the fins 222 can elastically contract and enclose the first extending portion 213, and the end surfaces of the fins 222 and the first step surface 214 of the first inserting stage 210 are oppositely arranged.

In this embodiment, the use process of the quick docking assembly 200 is as follows: the first plug 210 is connected with the embedded connector 70 in one prefabricated building structure 100 through a first fixing part 211, and the first base 220 is connected with the embedded connector 70 in the other prefabricated building structure 100 through a second fixing part 221; extending the first inserting-connecting part 212 and the first extending part 213 of the first inserting stage 210 into the inner wall of the first base 220 and moving along the inserting direction α, wherein the first inserting-connecting part 212 of the first inserting stage 210 applies pressure to the fin 222, so that the fin 222 elastically expands until the first inserting-connecting part 212 passes through the fin 222; when the first socket 210 is applied with a force in the direction opposite to the insertion direction α, the end of the fin 222 abuts against the first step surface 214 between the first socket 212 and the first extension 213 to limit the first socket 210.

The rapid docking assembly 200 and the embedded connector 70 provided by the embodiment are simple and convenient to mount, after the first plugging portion 212 of the first plugging platform 210 is inserted into the first base 220, the fin 222 can elastically contract and close the extension portion of the first base 220, the end portion of the fin 222 abuts against the step surface of the first plugging platform 210, and the abutting surface between the end portion of the fin 222 and the first step surface 214 of the first plugging platform 210 is approximately annular, so that the abutting area is large, the joint strength between two prefabricated building structures 100 can be ensured, and particularly, the vertical stress performance is greatly improved; the fins 222 not only can enclose the first extension part 213 of the insert table, but also can limit the first extension part 213, and prevent the first extension part 213 from shaking in the radial direction. In addition, the rapid docking assembly 200 provided by the embodiment has the advantages of simple processing technology, low cost and wide application range.

Referring to fig. 8, fig. 8 is a schematic structural diagram of another embodiment of a quick docking assembly 200.

The quick docking assembly 200 of the second embodiment includes a second socket 230, a second base 240 and a ring buckle 250, wherein the second socket 230 includes a third fixing portion 231 and a second plugging portion 232 disposed oppositely, and the second plugging portion 232 is formed with a first groove 233; the second base 240 includes a first end surface 241 and a second end surface 242 which are oppositely arranged; the ring buckle 250 has an opening (not shown) and can be elastically contracted, and the ring buckle 250 is sleeved on the second insert stage 230 and accommodated in the first groove 233; the ring buckle 250 can be inserted into the second base 240 along the insertion direction together with the second insertion portion 232 of the second socket 230, and the ring buckle 250 can abut against the second end surface 242 of the second base 240 through elastic expansion and limit the reverse movement of the second socket 230 along the insertion direction.

After the second inserting portion 232 of the second inserting stage 230 is inserted into the second base 240, the ring buckle 250 can be ejected out of the first groove 233 through the elastic expansion portion and abuts against the second end face 242 of the second base 240, an abutting surface between the ring buckle 250 and the second end face 242 is approximately annular, an abutting area is large, the joint strength between two embedded connectors 70 can be ensured, and particularly, the vertical stress performance is greatly improved. In addition, the rapid docking assembly 200 provided by the embodiment has the advantages of simple processing technology, low cost and wide application range.

It is understood that the insertion direction α can be, but is not limited to, the above-mentioned directions, and even partial angular offsets should be included in the scope of the present invention.

In one embodiment, after the two prefabricated building structures 100 are butted, a pile collar 300 is disposed on the peripheral wall of the junction between the two prefabricated building structures, and the pile collar 300 is used for fastening the butted joint of the two prefabricated building structures 100 to prevent the two prefabricated building structures 100 from being dislocated during use or service.

It is understood that the two prefabricated building structures 100 may be the same prefabricated pile or different prefabricated piles; the pile can be a solid pile, a hollow pile or a local hollow pile; can be a square pile or a tubular pile.

In one embodiment, a glue coating (not shown) is also provided between two prefabricated building structures 100. The glue coating layer fills the gap between the two prefabricated building structures 100 and the gap between the prefabricated building structures 100 and the quick butt joint component 200, prevents water or oxygen from corroding the first cage body 30, the second cage body 40 and the quick butt joint component 200 after being immersed, and increases the corrosion resistance of the components; after the glue coating layer is cured, the two prefabricated building structures 100 can be shaken or rotated, the rapid butt joint assembly and the prefabricated building structures 100 can be prevented from shaking or rotating, and the stability of the prefabricated building structures 100 is improved; the cured glue coating layer can bear the force, so that the two prefabricated building structures 100 are combined more tightly and firmly, and the stress performance is better; in addition, the glue coating layer can also play a role in uniform stress after being cured, even if the situation that the stress is slightly uneven exists between the two prefabricated building structures 100 or between the prefabricated building structures 100 and the quick butt joint assembly 200, the cured glue coating layer can also balance the stress, the vertical stress capacity of the prefabricated building structures 100 is improved, and the service life of the prefabricated building structures 100 is prolonged.

In one embodiment of the present invention, the adhesive layer is a paste adhesive.

So set up, the glue of paste is convenient for attach to and is difficult for flowing on prefabricated building structure 100's section to the glue of paste can also be extruded to prefabricated building structure 100 and dock the subassembly 200 fast when the butt joint between, makes to dock closely between subassembly 200 and the prefabricated building structure 100 fast, and whole prefabricated building structure 100 stability in use is better.

In one embodiment of the present invention, the adhesive is a two-liquid hybrid hardened glue (AB glue).

So set up, AB glue has that warehousing and transportation performance is good, uses more in a flexible way, and bonding strength is high, has advantages such as good vertical atress performance after the solidification.

In one embodiment of the present invention, the adhesive is an epoxy resin.

According to the arrangement, the epoxy resin has strong adhesive force, the chemical structure of the epoxy resin contains aliphatic hydroxyl, ether and extremely active epoxy groups, and the hydroxyl and the ether have high polarity, so that the epoxy resin has strong adhesive force, and the epoxy resin can firmly bond concrete, stone and various metal materials; the epoxy resin AB glue can be prepared into glue with different viscosities, the curing degree of the AB glue can be adjusted through normal-temperature curing, heating curing and other modes, and the curing time can be controlled within minutes to hours; in addition, the epoxy resin AB glue has good performance, and the cured epoxy resin AB glue has good performance, high mechanical strength, yellowing resistance, medium resistance, long aging resistance time, good electrical insulation, water resistance and moisture resistance and small volume shrinkage; the epoxy resin AB glue is nontoxic, has no three-waste emission in production, does not bring harm to the environment when in use, and meets the requirement of environmental protection; in addition, the epoxy resin AB glue has wide and easily available sources, low price and low cost.

Referring to fig. 9, fig. 9 is a schematic structural diagram of the prefabricated building structure 100 and the platform 400.

In one embodiment, prefabricated building structure 100 is mated to a cap 400.

In this embodiment, the solid portion 20 of the prefabricated building structure 100 is connected to the cap 400. The ends of the second cage body 40 and the first cage body 30, which are relatively far away from the hollow part 10, are provided with pre-embedded connectors 70, the pre-embedded connectors 70 are fixedly connected with the force transmission rib bodies 410, a plurality of force transmission rib bodies 410 form a stress frame in the bearing platform 400, then concrete is poured into a mold, and the bearing platform 400 is formed after the concrete is dried and formed. In the embodiment, the second cage body 40 and the first cage body 30 are both provided with the embedded connecting pieces 70, so that the reinforcement ratio in the bearing platform 400 can be greatly improved, the bearing capacity of the bearing platform 400 can be improved, the force transmission link is reduced, and the method is safer and more reliable; but also better transfer the forces experienced by the cap 400 to the underlying foundation.

It is understood that in other embodiments, if the bearing platform 400 does not need to have very high bearing capacity, only the second cage 40 or the first cage 30 may be provided with the embedded connector 70 at the end relatively far from the hollow portion 10, and the embedded connector 70 is fixedly connected with the force transmission rib 410.

Referring to fig. 10, fig. 10 is a partially enlarged view of the portion C shown in fig. 9.

In one embodiment, the embedded connector 70 is provided with a through thread, one end of the embedded connector 70 is in threaded connection with the first axial rib 31 or the second axial rib 41, and the other end is in threaded connection with the force transmission rib 410.

Preferably, the force transmitting rib body 410 is a threaded steel.

It is understood that, in other embodiments, the embedded connector 70 may also be another type of steel bar, and the embedded connector 70 may also be fixedly connected to the first axial rib 31, the second axial rib 41, or the force transmission rib 410 by welding, clamping, or the like. Preferably, the embedded connector 70 is provided with an internal thread, the force transmission rib body 410 is provided with an external thread, and the two are connected in a threaded fit manner, so that the connection is simple and convenient, and the time cost during construction is saved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims (10)

1. A prefabricated building structure (100) comprising a hollow portion (10), a solid portion (20), a first cage (30) and a mounting plate (50), wherein the hollow portion (10) is connected to the solid portion (20), a core slot (11) is opened in the hollow portion (10), and the first cage (30) is disposed in the solid portion (20) and the hollow portion (10); the mounting plate (50) is provided on a wall surface of the core hole (11) near one end of the solid portion (20), and the mounting plate (50) is connected to the first cage (30).

2. Prefabricated building structure (100) according to claim 1, characterized in that between said mounting plate (50) and said first cage (30) there is a welded connection and/or a lashed connection.

3. Prefabricated building structure (100) according to claim 1, characterised in that said prefabricated building structure (100) further comprises an auxiliary tendon (51), said auxiliary tendon (51) being connected at one end to said mounting plate (50) and at the other end to said first cage (30).

4. Prefabricated building structure (100) according to claim 3, characterized in that between said auxiliary tendons (51) and said mounting plates (50) are welded and/or lashed connections; and/or the presence of a catalyst in the reaction mixture,

the auxiliary rib body (51) is connected with the first cage body (30) in a welding and/or binding mode.

5. Prefabricated building structure (100) according to claim 1, characterized in that said mounting plate (50) has a thickness of 0.5mm to 100 mm.

6. Prefabricated building structure (100) according to claim 1, characterised in that said first cage (30) comprises a plurality of first axial ribs (31), said first axial ribs (31) being arranged along the axial direction of said prefabricated building structure (100); the first axial rib (31) is connected to the mounting plate (50).

7. Prefabricated building structure (100) according to claim 6, characterized in that said first cage (30) further comprises first radial ribs (32); the first axial rib bodies (31) form a framework of the first cage body (30), the first radial rib bodies (32) spirally surround the framework of the first cage body (30), and the first radial rib bodies (32) are fixedly connected with the first axial rib bodies (31).

8. The prefabricated building structure (100) of claim 6, said prefabricated building structure (100) further comprising a second cage (40), said second cage (40) being disposed within said solid portion (20) and housed within said first cage (30), one end of said second cage (40) extending to said mounting plate (50) and being connected to said mounting plate (50).

9. Prefabricated building structure (100) according to claim 8, characterized in that said second cage (40) comprises a plurality of second axial ribs (41), said second axial ribs (41) being arranged along the axial direction of said prefabricated building structure (100); one end of the second axial rib (41) is connected to the mounting plate (50).

10. Prefabricated building structure (100) according to claim 9, characterised in that said second cage (40) comprises second radial ribs (42), a plurality of said second axial ribs (41) forming the frame of the second cage (40), said second radial ribs (42) being spiralled around the frame of said second cage (40); the second radial rib body (42) is fixedly connected with the second axial rib body (41).

Images