CN211898334U - Prefabricated building structure - Google Patents

Abstract

The utility model provides a prefabricated building structure, including hollow portion, solid portion and stay tube, hollow portion connects in solid portion, and the core groove has been seted up to the inside of hollow portion, and the stay tube sets up in solid portion. 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; the supporting tube can effectively improve the strength of the solid part, thereby improving the strength of the prefabricated building structure and ensuring the stability of the prefabricated building structure in service.

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, including hollow portion, solid portion and stay tube, hollow portion connect in solid portion, the inside cavity of hollow portion encloses and establishes and form the core groove, hollow portion connect in solid portion, the stay tube set up in solid portion.

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 earthquake resistance of the prefabricated building structure can be ensured only by positioning the solid part in a depth area (generally 2-15 meters below the foundation) with the highest earthquake wave occurrence frequency below the foundation, 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 supporting tube can effectively improve the strength of the solid part, thereby improving the strength of the prefabricated building structure and ensuring the stability of the prefabricated building structure in service.

In an embodiment of the present invention, one end of the support tube extends to an end portion of the solid portion relatively far away from the hollow portion, and the other end extends to an end portion of the hollow portion relatively near the solid portion.

So set up, the tip of keeping away from hollow portion relatively in the solid portion and the tip homoenergetic that is close to hollow portion relatively can obtain the support of stay tube, prevent that solid portion from appearing warping, defects such as concrete drop in the use or the in-service process, also make when precast building structure is buried underground the tip that hollow portion was kept away from relatively to the solid portion can bear bigger pressure, precast building structure can be buried underground fast.

In an embodiment of the present invention, the prefabricated building structure further comprises a mounting plate connected to the support tube, the mounting plate is disposed in the hollow portion relatively close to the end portion of the solid portion.

So set up, the mounting panel not only can make the stay tube fixed, prevents that the stay tube from warping and misplacing at the in-service process, can also prevent that the core groove from being close to the lateral wall of solid portion relatively on the concrete drops, avoids the stay tube to expose in the air, prevents the corruption of stay tube, the service strength of influence stay tube.

In one embodiment of the present invention, the support tube is a hollow tube.

So set up, can alleviate prefabricated building structure's weight, reduce the quantity of concrete among the prefabricated building structure, reduce its cost of manufacture on the basis of guaranteeing its intensity.

In one embodiment of the present invention, the support tube is a cylindrical hollow tube, a polygonal hollow tube or a corrugated hollow tube.

By the arrangement, the cylindrical hollow tube and the polygonal hollow tube are low in price and are simple and easy to obtain; the corrugated hollow pipe can be better combined with concrete in the solid part due to the corrugations on the outer wall of the corrugated hollow pipe, and the integrity of the prefabricated building structure is improved.

In an embodiment of the present invention, the prefabricated building structure further comprises a support rib, and the support rib is disposed inside the support pipe.

So set up, not only the stay tube can play the supporting role, and the support rib body also can play the supporting role, and dual supporting effect can further improve the bearing capacity in solid portion.

In one embodiment of the present invention, the prefabricated building structure further comprises a pre-embedded connector, the pre-embedded connector is located at an end of the solid portion relatively far from the hollow portion; one end of the supporting tube extends to the embedded connecting piece, and the other end of the supporting tube extends to the end part, close to the solid part relatively, in the hollow part.

So set up, when the building construction, prefabricated building structure usually need with another prefabricated building structure amalgamation in order to prolong prefabricated building structure's length, perhaps pour the cushion cap behind prefabricated building structure's top connecting reinforcement in order to undertake superstructure load. The embedded connecting pieces are arranged on the supporting rib bodies, so that the combination rate between the two prefabricated building structures can be increased; or the reinforcement ratio of the bearing platform is improved, the connection mode between the prefabricated building structure and the bearing platform is simplified, the force transmission link in the stress process is reduced, the integral vertical stress capacity of the prefabricated building structure is improved, and the mechanical property of the prefabricated building structure and the bearing platform is guaranteed. The one end of stay tube extends to pre-buried connecting piece, and the other end extends to the tip that is close to solid portion relatively in the hollow portion, can play the effect of supporting pre-buried connecting piece, avoids concrete around the pre-buried connecting piece atress back to drop.

The utility model discloses an in the embodiment, the stay tube is many, many the stay tube is followed prefabricated building structure's axial evenly distributed, just the support rib body with ligature connection or welding between the stay tube.

So set up, many stay tubes can play the effect of the reinforcing support muscle body, prevent to take place deformation after the support muscle body atress.

The utility model discloses an in an embodiment, prefabricated building structure still includes the first cage body, the first cage body set up in solid portion and in the hollow portion, first cage body cover is established the stay tube.

So set up, prefabricated building structure is reinforced concrete structure, and the holistic atress intensity of prefabricated building structure can be improved by a wide margin to first cage body, has increased prefabricated building structure's application scenario.

In an embodiment of the present invention, the first cage body is connected to the support tube by a binding.

So set up, carry out local flexible coupling between the first cage body among the prefabricated building structure and the stay tube, can enough guarantee to add the position relatively fixed between the first cage body and the stay tube man-hour, can prevent again to add the internal stress that produces man-hour.

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. supporting a tube; 11. a core groove; 50. mounting a plate; 31. a first axial rib body; 32. a first radial rib; 41. a support rib body; 42. binding wires; 60. a corner protecting sleeve; 70. pre-burying a connecting piece; 311. heading; 71. a constriction; 72. an annular projection; 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 and stay tube 40, the inside cavity of hollow portion 10 is enclosed and is established and form core slot 11, and hollow portion 10 is connected in solid portion 20, and stay tube 40 sets up in solid portion 20.

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 its opening facing downward, the prefabricated construction structure 100 applies pressure to the solid portion 20 when buried in the ground, and thus it is possible to prevent the prefabricated construction structure 100 from being damaged due to excessive pressure. When the core groove 11 is blocked by an external member such as a pile tip or the like or the opening of the core groove 11 is upward for use, groundwater can be prevented from entering the interior of the prefabricated building structure 100, the corrosion of groundwater to the interior of the prefabricated building structure 100 is effectively resisted, and the durability of the prefabricated building structure 100 is ensured without core filling treatment. In addition, the support pipes 40 can effectively improve the strength of the solid portion 20, thereby improving the strength of the prefabricated building structure 100 and ensuring the stability of the prefabricated building structure 100 in service.

In one embodiment of the present invention, one end of the support tube 40 extends to an end portion of the solid portion 20 relatively far from the hollow portion 10, and the other end extends to an end portion of the hollow portion 10 relatively near to the solid portion 20.

So set up, the tip that is relatively far away from the hollow portion 10 in the solid portion 20 and the tip that is relatively close to the hollow portion 10 all can obtain the support of stay tube 40, prevents that solid portion 20 from appearing defects such as deformation, concrete drop in the use or in-service process, also makes when prefabricated building structure 100 is buried underground the tip that the hollow portion 10 is relatively far away from to the solid portion 20 can bear bigger pressure, and prefabricated building structure 100 can be buried underground fast.

In other embodiments, the support tube 40 may be located inside the solid portion 20 to prevent the support tube 40 from being exposed to air and corroding.

In one embodiment of the present invention, the prefabricated building structure 100 further includes a mounting plate 50 connected to the support pipe 40, the mounting plate 50 being disposed at an end portion of the hollow portion 10 relatively close to the solid portion 20.

So set up, the mounting panel 50 not only can make the stay tube 40 fixed, increases the anchor strength of the support rib body 41 at the concrete, prevents the stay tube 40 at the deformation of in-service process and dislocation, can also prevent that the core print 11 concrete drops on being close to the lateral wall of solid portion 20 relatively, avoids the stay tube 40 to expose in the air, prevents the corruption of stay tube 40, influences the service strength of stay tube 40.

Specifically, the mounting plate 50 is a steel plate. The support tube 40 and the mounting plate 50 are welded together.

In one embodiment of the present invention, the support tube 40 is a hollow tube.

So set up, can alleviate prefabricated building structure 100's weight, reduce the quantity of concrete in prefabricated building structure 100, reduce its cost of manufacture on the basis of guaranteeing its intensity.

In one embodiment of the present invention, the support tube 40 is a cylindrical hollow tube, a polygonal hollow tube or a corrugated hollow tube.

By the arrangement, the cylindrical hollow tube and the polygonal hollow tube are low in price and are simple and easy to obtain; the corrugated hollow tube, due to the corrugations in its outer wall, is better able to bond with the concrete in the solid section 20, improving the integrity of the prefabricated building structure 100.

It is understood that the polygonal hollow tube may be triangular, quadrangular, pentagonal or even more polygonal, which is not enumerated herein; the corrugated hollow pipe may be corrugated in the axial direction or in the circumferential direction, as long as it has an effect of bonding with concrete. With such an arrangement, the support tubes 40 with different shapes can be designed according to the actual 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 support tube 40 is a steel tube.

With such an arrangement, the supporting tube 40 has low cost and strong stress capability, and can greatly improve the bearing capacity of the prefabricated building structure 100.

In an embodiment of the present invention, the prefabricated building structure 100 further includes a support rib 41, and the support rib 41 is disposed in the support tube 40.

With such an arrangement, not only the support tube 40 but also the support rib 41 can support, and the dual support function can further improve the bearing capacity of the solid portion 20.

In one embodiment of the present invention, the supporting rib 41 and the supporting tube 40 are bound or welded.

With this arrangement, the force can be transmitted between the support rib 41 and the support pipe 40, so that the prefabricated building structure 100 can bear a larger force.

Specifically, the support rib 41 and the support tube 40 are connected by binding and/or welding.

In one embodiment, the support rib 41 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 deformed steel bars, low carbon steel hot rolled disc strips, and cold drawn low carbon steel wires for concrete products.

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 an embodiment of the present invention, the supporting tubes 40 are multiple, the supporting tubes 40 are along the axial direction of the prefabricated building structure 100, and the supporting ribs 41 are connected or welded with the supporting tubes 40.

So set up, many spinal bracings 40 can play the effect of reinforcing the support rib body 41, prevent to take place deformation after the support rib body atress.

In an embodiment of the present invention, the prefabricated building structure 100 further includes a first cage 30, the first cage 30 is disposed in the solid portion 20 and the hollow portion 10, and the support tube 40 is sleeved on the first cage 30.

So set up, prefabricated building structure 100 is reinforced concrete structure, and first cage body 30 can improve the holistic atress intensity of prefabricated building structure 100 by a wide margin, has increased prefabricated building structure 100's application scenario.

In one embodiment, the prefabricated building structure 100 is a partially hollow square pile. In this case, the prefabricated building structure 100 is formed into a substantially rectangular parallelepiped shape, the hollow portion 10 and the solid portion 20 are also formed into a substantially rectangular parallelepiped shape, and are made of concrete, and a core hole 11 having a cylindrical peripheral wall is opened in the hollow portion 10.

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 also be a column of a polygon (such as a triangle, a square, a rectangle, a pentagon, a hexagon, an octagon, etc.); the shape of the outer edge of the cross section of the first cage 30 is circular or polygonal, and the polygonal shape 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, self gravity load and the like 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 includes a first axial rib 31 and a first radial rib 32, the first axial ribs 31 form a frame of the first cage 30, and the first radial rib 32 spirally surrounds the frame of the first cage 30; the first radial rib 32 and the first axial rib 31 are fixed by spot welding.

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.

It is understood that, in other embodiments, the first radial rib 32 and the first axial rib 31 may be fixed by clipping, binding, etc., which are not listed here.

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 one embodiment of the present invention, the first cage 30 is bound to the support tube 40.

With the arrangement, the first cage 30 and the support tube 40 in the prefabricated building structure 100 are locally and flexibly connected, so that the relative fixation of the positions of the first cage 30 and the support tube 40 during processing can be ensured, and the generation of internal stress during processing can be prevented.

Specifically, the first cage 30 and the mounting plate 50 can be bound and connected by adding auxiliary steel bars, the area of the mounting plate 50 can be enlarged, and the edge of the mounting plate 50 is directly bound and/or welded with the first cage 30.

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 this arrangement, the concrete on the end of the prefabricated building structure 100 can be prevented from falling off during the process of burying the prefabricated building structure 100 in the ground or during service, so that the supporting tube 40 or the first cage 30 is exposed to corrosion, and the strength of the prefabricated 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 200 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 170 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 prefabricated building structure 100 further includes a pre-embedded connector 70, and the pre-embedded connector 70 is located at an end of the solid portion 20 relatively far from the hollow portion 10.

So configured, during building construction, the prefabricated building structure 100 is usually spliced with another prefabricated building structure to extend the length of the prefabricated building structure 100, or the bearing platform 400 is poured after the steel bars are connected to the top of the prefabricated building structure 100 to bear the superstructure load. The pre-buried connecting pieces 70 are arranged on the supporting rib bodies 41, so that the combination rate between 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, one end of the support tube 40 extends to the pre-embedded connector 70, and the other end extends to the end of the hollow portion 10 relatively close to the solid portion 20.

So set up, the one end of stay tube 40 extends to pre-buried connecting piece 70, and the other end extends to the tip that is close to solid portion 20 relatively in the hollow portion 10, can play the effect of supporting pre-buried connecting piece 70, avoids concrete around the pre-buried connecting piece 70 atress back to drop.

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

In one embodiment, the pre-embedded connector 70 has a contraction opening 71 for connecting with the support rib 41 or the first axial rib 31; the end of the supporting rib body 41 or the first axial rib body 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 borne by the support rib 41 and/or the first cage 30 during the pre-stretching is larger, and the damage of the embedded connector 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 embedded connector 70 may be connected with the supporting rib 41 or the first axial rib 31 at a later stage. The operation steps are that firstly, the concrete at the end of the prefabricated building structure 100 is chiseled to expose the supporting rib body 41 or the first axial rib body 31, then the embedded connector 70 is connected to the end of the supporting rib body 41 or the first axial rib body 31, and then the end of the supporting rib body 41 or the first axial rib body 31 is formed with the upset 311 by hot working, so that the connection is completed.

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. 5, fig. 5 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. 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 support tube 40 and the quick butt joint component 200 after being immersed, and increases the corrosion resistance; 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 terminal surface 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 end parts of the supporting rib body 41 and the first axial rib body 31, which are relatively far away from the hollow part 10, are provided with embedded connectors 70, the 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 pre-embedded connectors 70 are arranged on the supporting rib body 41 and the first axial rib body 31, 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 bearing platform 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 supporting rib 41 or the first axial rib 31 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 transmitting rib 410.

Referring to fig. 9, fig. 9 is a partially enlarged view of the portion C shown in fig. 8.

In one embodiment, the pre-embedded connector 70 is provided with a through thread, one end of the pre-embedded connector 70 is in threaded connection with the support rib 41 or the first axial rib 31, 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 supporting rib 41, the first axial rib 31 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) and a support tube (40), the hollow portion (10) being hollow and enclosing to form a core channel (11), the hollow portion (10) being connected to the solid portion (20), the support tube (40) being arranged within the solid portion (20).

2. The prefabricated building structure (100) of claim 1, wherein one end of the support tube (40) extends to an end of the solid portion (20) relatively far from the hollow portion (10), and the other end extends to an end of the hollow portion (10) relatively close to the solid portion (20).

3. The prefabricated building structure (100) of claim 1, wherein the prefabricated building structure (100) further comprises a mounting plate (50) connected to the support tube (40), the mounting plate (50) being disposed in the hollow portion (10) at an end relatively close to the solid portion (20).

4. The prefabricated building structure (100) of claim 1 wherein said support tube (40) is a hollow tube.

5. The prefabricated building structure (100) of claim 4, wherein said support tube (40) is a cylindrical hollow tube, a polygonal hollow tube or a corrugated hollow tube.

6. The prefabricated building structure (100) of claim 1, wherein said prefabricated building structure (100) further comprises a support rib (41), said support rib (41) being arranged within said support tube (40) and being fixedly connected to said support tube (40).

7. The prefabricated building structure (100) of claim 6, wherein said prefabricated building structure (100) further comprises pre-buried connectors (70), said pre-buried connectors (70) being located at the end of said solid portion (20) relatively far from the hollow portion (10);

one end of the supporting pipe (40) extends to the embedded connecting piece (70), and the other end of the supporting pipe extends to the end part, close to the solid part (20) relatively, of the hollow part (10).

8. The prefabricated building structure (100) of claim 6, wherein said supporting tubes (40) are a plurality of supporting tubes (40), said plurality of supporting tubes (40) are uniformly distributed along the axial direction of said prefabricated building structure (100), and said supporting ribs (41) and said supporting tubes (40) are bound or welded.

9. The prefabricated building structure (100) of claim 1, wherein said prefabricated building structure (100) further comprises a first cage (30), said first cage (30) being disposed within said solid portion (20) and said hollow portion (10), said first cage (30) being nested within said support tube (40).

10. Prefabricated building structure (100) according to claim 9, characterized in that a lashing connection is provided between said first cage (30) and said support tube (40).

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