CN217924074U - Prefabricated part combination - Google Patents

Abstract

The utility model discloses a prefabricated component combination, prefabricated component combination includes: the first vertical precast concrete member is provided with a support piece for supporting the transverse precast concrete member at two transverse sides, and the top of the first vertical precast concrete member is provided with a cast-in-place concrete section for connecting the two transverse precast concrete members. The utility model discloses can save and build large-scale interim braced system and subsequent work of demolising in horizontal prefabricated concrete component below to reduce the assembly work volume of horizontal prefabricated concrete component and first vertical prefabricated concrete component, strengthened the joint strength of two horizontal prefabricated concrete components, improve connected node bulk strength.

Description

Prefabricated part combination

Technical Field

The utility model relates to an assembly type structure field, concretely relates to prefabricated component combination.

Background

The assembly type building is a necessary trend for the development of future building technology. The prefabricated member is divided into a horizontal prefabricated concrete member and a vertical prefabricated concrete member, the horizontal prefabricated concrete member comprises a prefabricated beam, a prefabricated floor slab, a prefabricated balcony and other members, and the vertical prefabricated concrete member comprises a prefabricated column, a prefabricated pile, a prefabricated wall plate and other members.

The key technical point of the assembly type building is connection, and the connection of the transverse prefabricated concrete component and the vertical prefabricated concrete component is a serious middle point and is a hot point and a difficult point which are always existed in the assembly type building industry.

At present, the problems of high assembly difficulty, complex construction, time and labor waste, high cost and the like of the transverse prefabricated concrete component and the vertical prefabricated concrete component still exist, and the concrete embodiment is that during installation and assembly, a large-scale supporting system is required to be arranged in the area below the transverse prefabricated concrete component at first to ensure the stability of the transverse prefabricated component, and after the transverse prefabricated concrete component is assembled and the joint strength of the joint is stable, the large-scale supporting system is dismantled, so that the assembly efficiency is seriously influenced, the work of field workers is influenced by the existence of the supporting system, the building cost is indirectly improved, more importantly, the huge supporting system needs to be maintained at high cost, the building cost is further improved, and the huge supporting system does not meet the development requirement of national green buildings.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prefabricated component combination to solve horizontal prefabricated concrete component and vertical prefabricated concrete component when the assembly, need huge support system to support horizontal prefab, could realize both assembly connection's problem.

For realizing the purpose of the utility model, the utility model adopts the following technical scheme:

a prefabricated component assembly comprising: the first vertical precast concrete member is provided with a support piece for supporting the transverse precast concrete member at two transverse sides, and the top of the first vertical precast concrete member is provided with a cast-in-place concrete section for connecting the two transverse precast concrete members.

Compared with the prior art, the beneficial effects of the utility model are that: the support pieces are arranged on the two transverse side walls at the top of the first vertical prefabricated concrete member, and provide support for the end parts of the transverse prefabricated concrete members, so that a large temporary support system can be omitted from construction below the transverse prefabricated concrete members, and subsequent dismantling work can be omitted, and the assembling workload of the transverse prefabricated concrete members and the first vertical prefabricated concrete members is reduced; furthermore, transverse ribs of the two transverse prefabricated concrete components are butted and fixed through mechanical connection so as to improve the tensile and compressive properties, enhance the connection strength of the two transverse prefabricated concrete components and improve the overall strength of a connection node; furthermore, the first vertical prefabricated concrete component and the two transverse prefabricated concrete components are connected through cast-in-place concrete sections, so that the first vertical prefabricated concrete component, the second vertical prefabricated concrete component and the two transverse prefabricated concrete components are connected to form an integrated stable structure, and the overall connection strength is further improved.

Furthermore, the supporting piece comprises a mounting end connected with the side wall of the first vertical prefabricated concrete component and a supporting end connected with the bottom of the transverse prefabricated concrete component; the supporting end and the mounting end are provided with reinforcing ends.

Furthermore, the first vertical prefabricated concrete component is provided with an embedded part which transversely penetrates through the first vertical prefabricated concrete component, two end parts of the embedded part extend out of the first vertical prefabricated concrete component, one end part of the embedded part penetrates through a connecting hole of one supporting part and is fixedly connected with the supporting part, and the other end part of the embedded part penetrates through a connecting hole of the other supporting part and is fixedly connected with the supporting part;

or the first vertical prefabricated concrete component is provided with a through hole which is transversely penetrated through, the mounting part penetrates through the through hole, two end parts of the mounting part extend out of the first vertical prefabricated concrete component, one end part of the mounting part penetrates through a connecting hole of one supporting part and is fixedly connected with the supporting part, and the other end part of the mounting part penetrates through a connecting hole of the other supporting part and is fixedly connected with the supporting part.

Furthermore, the support end is provided with a positioning hole, and the transverse precast concrete component and the support end are connected and fixed by a positioning piece or a plug piece penetrating through the positioning hole;

the width W1 of the supporting end is more than or equal to the width W2 of the bottom of the transverse precast concrete component.

Furthermore, the concrete structure also comprises a reinforcing layer positioned above the two transverse prefabricated concrete components and the cast-in-place concrete section, and a rib net or transverse ribs are arranged in the reinforcing layer; a stress rib array formed by combining a plurality of transverse ribs is arranged in the transverse precast concrete component; hooping or spiral bars are wound outside the stress bar array, and the tops of the hooping or spiral bars extend out of the transverse prefabricated concrete component to extend to the reinforcing layer and are connected with the bar net or transverse bars; the reinforcing layer and the cast-in-place concrete section are integrally cast.

The second vertical prefabricated concrete component is positioned above the first vertical prefabricated concrete component;

one end of the mechanical splicing assembly is fixedly connected with a first vertical stress rib of the first vertical prefabricated concrete component, and the other end of the mechanical splicing assembly is fixedly connected with a second vertical stress rib of the second vertical prefabricated concrete component;

a cast-in-situ connecting section for coating the mechanical plug-in assembly is arranged between the reinforcing layer and the second vertical prefabricated concrete member;

the cast-in-situ concrete section, the reinforcing layer and the cast-in-situ connecting section are integrally formed.

Furthermore, key grooves are arranged on the opposite surfaces of the two transverse prefabricated concrete components and/or the opposite surfaces of the first vertical prefabricated concrete component and the second vertical prefabricated concrete component;

the inclination angle of the inclined plane of the key groove is less than 30 degrees.

Furthermore, key grooves are uniformly distributed on the opposite surfaces of the two transverse precast concrete members, transverse ribs are uniformly distributed on the key grooves, and the transverse rib in the key groove of one transverse precast concrete member is mechanically connected with the transverse rib in the key groove of the other transverse precast concrete member;

the cast-in-place concrete section extends into the key slot.

Furthermore, at least part of transverse ribs of one transverse prefabricated concrete component are connected with at least part of transverse ribs of another transverse prefabricated concrete component through mechanical connectors;

the mechanical connecting piece comprises two connecting groups and adjusting pieces, wherein the two connecting groups are provided with ball joints, the adjusting pieces are connected with the two connecting groups, and the two connecting groups are respectively connected with the transverse ribs of the transverse precast concrete members.

Further, the width of the key slot is K, the depth is T, and the width K is more than three times the depth T and less than ten times the depth T.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

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

fig. 2 is a schematic view of a prefabricated component assembly according to a second embodiment of the present invention;

fig. 3 is a schematic structural diagram of a supporting member according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a mechanical connector according to a first embodiment of the present invention;

fig. 5 is a schematic structural diagram of a mechanical plug-in assembly according to a second embodiment of the present invention;

fig. 6 is a schematic structural diagram of a rotary joint of a mechanical plug-in component according to a second embodiment of the present invention.

Reference numerals:

1. transversely prefabricating a concrete member; 11. transverse ribs; 12. hooping; 2. casting a concrete section in situ; 3. a first vertical precast concrete member; 31. embedding parts; 32. a first vertical stress rib; 4. a second vertical prefabricated concrete component; 41. a second vertical stress rib; 5. a support member; 51. an installation end; 511. connecting holes; 52. a support end; 521. positioning holes; 53. reinforcing the end; 6. a reinforcement layer; 61. transverse ribs; 7. a plug-in assembly; 71. screwing the joint; 711 accommodating chamber; 72. an elastic component; 721. a limiting cylinder; 722. an elastic snap ring; 723. an elastic element; 73. a plug-in rod; 74. a locking member; 8. casting a connecting section in situ; 9. a keyway; 10. a mechanical connector; 101. a connection group; 1011. a ball head connecting rod; 1012. a connecting nut; 1013. a lock nut; 102. an adjustment member.

Detailed Description

In order to make the technical field better understand the solution of the present invention, the following detailed description is given with reference to the accompanying drawings and the detailed description.

In this specification, terms such as "upper, lower, inner, and outer" are established based on positional relationships shown in the drawings, and the corresponding positional relationships may vary depending on the drawings, and therefore, the terms are not to be construed as absolutely limiting the scope of protection; moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "coupled" are to be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Example one

As shown in fig. 1, the present embodiment provides a prefabricated part combination, which includes: the prefabricated concrete structure comprises a first vertical prefabricated concrete component 3 and two transverse prefabricated concrete components 1 which are adjacently arranged at the top of the first vertical prefabricated concrete component 3, at least part of transverse ribs 11 of one transverse prefabricated concrete component 1 are mechanically connected with at least part of transverse ribs 11 of the other transverse prefabricated concrete component 1, supporting pieces 5 for supporting one transverse prefabricated concrete component 1 are respectively arranged at two transverse sides of the first vertical prefabricated concrete component 3, and a cast-in-situ concrete section 2 for connecting the two transverse prefabricated concrete components 1 is arranged at the top of the first vertical prefabricated concrete component 3.

In detail, the first vertical precast concrete member 3 is provided with the supporting members 5 for supporting the horizontal precast concrete members 1 at both horizontal sides of the top, the two supporting members 5 can correspondingly support the two horizontal precast concrete members 1, and when the first vertical precast concrete member 3 is connected and assembled with the two horizontal precast concrete members 1, the construction of a large temporary supporting system below the horizontal precast concrete members 1 and the subsequent dismantling work can be omitted, so that the assembling workload of the horizontal precast concrete members 1 and the first vertical precast concrete members 3 is reduced, the assembling efficiency is improved, the cost expenditure is reduced, and the inconvenience of site personnel construction due to the existence of the supporting system is avoided.

In addition, the two transverse prefabricated concrete components 1 are mechanically connected, and the mechanical connecting piece 10 is used for butt-jointing and fixing the transverse ribs 11 of the two transverse prefabricated concrete components 1 so as to improve the tensile and compressive properties, enhance the connecting strength of the two transverse prefabricated concrete components 1 and improve the integral strength of a connecting joint; and the cast-in-place concrete sections 2 of the top of the first vertical precast concrete members 3 and between the two horizontal precast concrete members 1 are connected to form an integrated stable structure, so that the overall connection strength is further improved.

In this embodiment, the support 5 is installed on one side or two sides of the top of the first vertical precast concrete unit 3, but not limited to the top installation, and a plurality of supports 5 can be installed at different heights of the first vertical precast concrete unit 3, so that a plurality of horizontal precast concrete units 1 can be correspondingly installed, and of course, the supports 5 can be installed on the other sides of the first vertical precast concrete unit 3, so as to meet the requirement of higher assembly rate for assembling the horizontal precast concrete units 1. The transverse prefabricated concrete component 1 can be a prefabricated component such as a prefabricated beam, a prefabricated floor slab and a prefabricated balcony, and the first vertical prefabricated concrete component 3 can be a prefabricated component such as a prefabricated column and a prefabricated wall.

Further, the supporting member 5 includes a mounting end 51 connected to the side wall of the first vertical precast concrete unit 3, and a supporting end 52 connected to the bottom of the horizontal precast concrete unit 1; the support end 52 and the mounting end 51 are provided with a reinforced end 53. Specifically, the supporting member 5 may be a prefabricated reinforced concrete structure having a mounting end 51, a supporting end 52 and a reinforcing end 53, the mounting end 51 may be mounted on a sidewall of the first vertical prefabricated concrete member 3 to achieve connection with the first vertical prefabricated concrete member 3, the supporting end 52 is connected with the bottom of the horizontal prefabricated concrete member 1 to achieve a firmness for supporting the horizontal prefabricated concrete member 1 from the bottom of the horizontal prefabricated concrete member 1, and the reinforcing end 53 is used for reinforcing the supporting member 5. The support 5 may also be a corbel as shown in fig. 3. The support member 5 may be detachably connected to the first vertical precast concrete unit 3 and the horizontal precast concrete unit 1, so that it can be repeatedly used, thereby saving cost to the maximum extent. Of course, the transverse precast concrete unit 1 may not be disassembled, and the support is further provided for the transverse precast concrete unit 1, so as to improve the stability of the transverse precast concrete unit 1.

Further, the mounting end 51 has a connecting hole 511, the first vertical precast concrete unit 3 has an embedded part 31 extending through the first vertical precast concrete unit 3, two ends of the embedded part 31 extend out of the first vertical precast concrete unit 3, one end of the embedded part 31 extends through the connecting hole 511 of one support 5 to be fixedly connected with the support 5, and the other end of the embedded part 31 extends through the connecting hole 511 of the other support 5 to be fixedly connected with the support 5. Specifically, the embedded part 31 which transversely penetrates through is embedded in the first vertical prefabricated concrete component 3, two end parts of the embedded part extend out of the first vertical prefabricated concrete component 3, and two end parts of the embedded part 31 respectively penetrate through the connecting holes 511 of the two supporting pieces 5 and are fixedly connected with the two supporting pieces 5, so that the connection is convenient and fast, the time consumption for installing the supporting pieces 5 in the prefabricated component assembling link is reduced, and the efficiency is further improved. Of course, it is also possible to fixedly connect the two supporting members 5 to the first vertical prefabricated concrete component 3 by another way, for example, the first vertical prefabricated concrete component 3 has a through hole passing through in the transverse direction, the mounting member passes through the through hole and its two end portions extend out of the first vertical prefabricated concrete component 3, one end portion of the mounting member passes through the connecting hole 511 of one supporting member 5 and is fixedly connected with the supporting member 5, the other end portion of the mounting member passes through the connecting hole 511 of the other supporting member 5 and is fixedly connected with the supporting member 5, that is, after the mounting member passes through the through hole passing through in the transverse direction of the first vertical prefabricated concrete component 3, the two ends of the mounting member are respectively and fixedly connected with the two supporting members 5, and after the mounting member is mounted, the mounting member can be detached and reused.

Further, the support end 52 has a positioning hole 521, and the transverse precast concrete unit 1 and the support end 52 are connected and fixed by a positioning element or a plug-in unit penetrating through the positioning hole 521; the width W1 of the support end 52 is greater than or equal to the bottom width W2 of the lateral precast concrete unit 1. Specifically, the positioning element or the plug element penetrates through the positioning hole 521 to connect and fix the solid support end 52 with the transverse precast concrete member 1, so as to support the transverse precast concrete member 1, and in such an arrangement, only the positioning hole 521 needs to be aligned, so that the time required by manual calibration and positioning is greatly reduced, and the difficulty of calibration and positioning is reduced. Furthermore, the width W1 of the support end 52 is greater than or equal to the bottom width W2 of the transverse precast concrete member 1, so that the stressed surface of the support end 52 is the largest when the transverse precast concrete member 1 is supported, and the support is more stable, and meanwhile, because the width W1 of the support end 52 is greater than or equal to the bottom width W2 of the transverse precast concrete member 1, the support end 52 can be used as a formwork when the cast-in-place concrete section 2 is cast in situ, and the cost caused by formwork support is avoided.

Further, the concrete structure also comprises a reinforcing layer 6 positioned above the two transverse prefabricated concrete components 1 and the cast-in-place concrete section 2, and a rib net or transverse rib 61 is arranged in the reinforcing layer 6; a stress rib array formed by combining a plurality of transverse ribs 11 is arranged in the transverse precast concrete component 1; the stress rib array is wound with a stirrup 12 or a spiral rib, the top of the stirrup 12 or the spiral rib extends out of the transverse prefabricated concrete component 1 and extends to the reinforcing layer 6, and the reinforcement layer is connected with a rib net or a transverse rib 61; the reinforcing layer 6 and the cast-in-place concrete section 2 are integrally cast and molded. The arrangement improves the shearing resistance and the bending resistance of the transverse prefabricated concrete members 1, and the reinforcing layer 6 and the cast-in-place concrete section 2 are integrally cast to further improve the stability of the integral structures of the two transverse prefabricated concrete members 1 and the first vertical prefabricated concrete member 3.

Further, at least a part of the transverse ribs 11 of one transverse precast concrete unit 1 are connected with at least a part of the transverse ribs 11 of another transverse precast concrete unit 1 through mechanical connectors 10; the mechanical connector 10 comprises two connecting groups each having a ball joint and an adjusting member for engaging the two connecting groups, and the two connecting groups are respectively connected with the transverse ribs 11 of the transverse precast concrete unit 1.

Further, the mechanical connector 10 includes two connection groups 101 each having a ball joint and an adjusting member 102 connecting the two connection groups 101, the respective transverse ribs 11 of the two transverse prefabricated concrete members 1 are respectively connected with the two connection groups 101 and connected by the adjusting member 102, during the butt joint of the two transverse prefabricated concrete members 1, due to the influence of manufacturing precision and assembling precision, the transverse ribs 11 of one transverse prefabricated concrete member 1 are not axially aligned with the transverse ribs 11 of the other transverse prefabricated concrete member 1, so the spherical structure of the connection groups 101 is set to be a spherical-to-spherical connection manner, so that the two connection groups 101 can relatively deflect during the butt joint process, so that the transverse ribs 11 of the two transverse prefabricated concrete members which are not on the same axis are connected into a whole, and the stressed contact area of the connection is enough to ensure the stability and reliability of the connection, and the distance between the two connection groups 101 can be adjusted by the adjusting member 102, wherein the structure of the mechanical connector 10 can be as shown in fig. 4, and the structure of the connection groups 101 includes: the connecting structure comprises a ball head connecting rod 1011, a connecting nut 1012 with the tail part matched with the spherical surface of the ball head connecting rod 1011, and a locking nut 1013 screwed on the ball head connecting rod 1011 and capable of tightly abutting against the connecting nut 1012 to prevent the spherical structure from loosening, wherein the connecting nut 1012 is in spherical surface fit with the locking nut 1013, and a double-spherical surface fit structure is adopted, so that the mechanical connecting piece 10 can ensure the tensile strength and the compressive strength under the conditions of tension and compression, and the connecting strength and the reliability of the transverse precast concrete member 1 and the first vertical precast concrete member 3 are improved.

Furthermore, key grooves 9 are formed in the opposite surfaces of the two transverse precast concrete members 1, the width of each key groove 9 is K, the depth of each key groove 9 is T, and the width K is more than three times the depth T and less than ten times the depth T; keyways 9 are uniformly distributed on the opposite surfaces of the two transverse precast concrete members 1, transverse ribs 11 are uniformly distributed on the keyways 9, and the transverse rib 11 in the keyway 9 of one transverse precast concrete member 1 is mechanically connected with the transverse rib 11 in the keyway 9 of the other transverse precast concrete member 1; the inclination angle of the inclined plane of the key groove 9 is less than 30 degrees; the cast-in-place concrete section 2 extends into the keyway 9.

Specifically, key grooves 9 are formed in the opposite surfaces of the two transverse precast concrete members 1, that is, the connecting end surfaces of the two transverse precast concrete members 1 facing each other are provided with the key grooves 9, and the arrangement of the key grooves 9 is favorable for increasing the shearing resistance of the two transverse precast concrete members 1 after being connected; furthermore, the transverse ribs 11 are distributed in the key grooves 9, and the transverse ribs 11 in the key grooves 9 of one transverse precast concrete member 1 are connected with the transverse ribs 11 in the key grooves 9 of the other transverse precast concrete member 1 through mechanical connectors 10, that is, the surface formed by all the connection points connected with the mechanical connectors 10 on the connection end surfaces of the two transverse precast concrete members 1 is not a plane, that is, all the connection points are distributed on at least more than two planes, and compared with the situation that all the connection points are located on the same plane, the connection is firmer; furthermore, the width K of the key groove 9 is more than three times of the depth T and less than ten times of the depth T, the inclined plane inclination angle of the key groove 9 is less than 30 degrees, preferably, the width K is more than 5.5 times of the depth T and less than 8.2 times of the depth T, and the inclined plane inclination angle of the key groove 9 is more than 11.3 degrees and less than 19.8 degrees, so that the design can further improve the shearing resistance and the stability of the connection position after connection; further, the extension of the cast-in-place concrete section 2 into the key slot 9 can increase the shear resistance and stability of the connection of the two transverse precast concrete members 1 again.

Example two

As shown in fig. 2, the prefabricated component assembly of this embodiment is based on the prefabricated component assembly of the first embodiment, and the same parts as those of the prefabricated component assembly of the first embodiment are labeled the same, and are not repeated herein.

The prefabricated part combination of the embodiment also comprises a second vertical prefabricated concrete part 4, wherein the second vertical prefabricated concrete part 4 is positioned above the first vertical prefabricated concrete part 3; one end of the mechanical splicing assembly 7 is fixedly connected with a first vertical stress rib 32 of the first vertical prefabricated concrete component 3, and the other end of the mechanical splicing assembly is fixedly connected with a second vertical stress rib 41 of the second vertical prefabricated concrete component 4; a cast-in-situ connecting section 8 for coating the mechanical splicing assembly 7 is arranged between the reinforcing layer 6 and the second vertical prefabricated concrete component 4; the cast-in-situ concrete section 2, the reinforcing layer 6 and the cast-in-situ connecting section 8 are integrally formed.

In detail, as shown in fig. 5 and 6, the mechanical plug assembly 7 includes a rotary joint 71, an elastic assembly 72, a plug rod 73, and a locking member 74. One end of the rotary joint 71 is rotatably connected with the first vertical stress rib 32, and the other end faces the second vertical stress rib 41 and is provided with an accommodating cavity 711; the elastic component 72 comprises a limiting cylinder 721, an elastic snap ring 722 and an annular elastic element 723, wherein the limiting cylinder 721 extends into the accommodating cavity 711 and is screwed with the rotary joint 71, and the elastic element 723 abuts against the elastic snap ring 722 in the accommodating cavity 711 towards the direction of the limiting cylinder 721; the plug rod 73 is provided with a variable-diameter plug head and a screw rod section screwed with the second vertical stress rib 41; the locking piece 74 is in screwed connection with the screw rod section and is used for fastening the limiting cylinder 721 and the elastic clamping ring 722 towards the direction of the plug connector; the plug connector axially penetrates through the limiting barrel 721, extends into the accommodating cavity 711, and forms a clamping structure with the elastic clamping ring 722.

In the embodiment, the plug-in component 7 can be assembled by clamping and screwing, and is convenient and fast to install; the inserting rod 73 and the first rigid rod, and the rotary joint and the second rigid rod are connected in a rotary mode, so that the allowance of the connecting structure is adjustable; meanwhile, the arrangement of the elastic element 723 weakens the coaxiality requirement of the prefabricated part during assembly, and solves the assembly error and the installation problem caused by superposition; in addition, the locking piece 74 is arranged, so that the retaining function of the limiting cylinder is strengthened, the prefabricated parts are prevented from further moving in the opposite direction, the compression resistance of the connecting structural part is met, the elastic clamping ring 722 is arranged, the separation action of the prefabricated parts when the prefabricated parts are pulled out is prevented, the tensile resistance of the connecting structural part is met, the connection is firmer, and the prefabricated part connecting structure is more suitable for connecting prefabricated parts of an assembly type building.

Furthermore, key slots 9 are arranged on the opposite surfaces of the first vertical precast concrete component 3 and the second vertical precast concrete component 4; the width of the key groove 9 is K, the depth is T, and the width K is more than three times of the depth T and less than ten times of the depth T;

the inclination angle of the inclined surface of the key groove 9 is less than 30 degrees.

Specifically, key grooves 9 are formed in the opposite surfaces of the first vertical precast concrete member 3 and the second vertical precast concrete member 4, that is, the key grooves 9 are formed in the connection end surfaces, facing each other, of the first vertical precast concrete member 3 and the second vertical precast concrete member 4, and the arrangement of the key grooves 9 is favorable for improving the stability of the first vertical precast concrete member 3 after being connected with the second vertical precast concrete member 4; furthermore, the first vertical stress rib 32 and the second vertical stress rib 41 are arranged in the key slot 9, and the first vertical stress rib 32 in the key slot 9 of the first vertical prefabricated concrete member 3 is connected with the second vertical stress rib 41 in the key slot 9 of the second vertical prefabricated concrete member 4 through the plug assembly 7, that is, a plane formed by all connection points connected with the plug assembly 7 on the connection end surface of the first vertical prefabricated concrete member 3 and the second vertical prefabricated concrete member 4 is not a plane, and a plane formed by all connection points connected with the plug assembly 7 on the connection end surface of the second vertical prefabricated concrete member 4 is not a plane, that is, all connection points on the connection end surface of the first vertical prefabricated concrete member 3 are at least distributed on more than two planes, and all connection points on the connection end surface of the second vertical prefabricated concrete member 4 are at least distributed on more than two planes, so that the connection is firmer than that all connection points are on the same plane; furthermore, the width K of the key slot 9 is greater than three times of the depth T and less than ten times of the depth T, the inclination angle of the inclined plane of the key slot 9 is less than 30 degrees, preferably, the width K is greater than 6.3 times of the depth T and less than 8.2 times of the depth T, and the inclination angle of the inclined plane of the key slot 9 is greater than 16.7 degrees and less than 19.8 degrees.

At least some of the technical implementations of the first embodiment to the second embodiment can be combined or replaced without departing from the spirit and the technical scope of the present invention.

The above is only the preferred embodiment of the present invention, and the protection scope of the present invention is defined by the scope defined by the claims, and a plurality of modifications and embellishments made by those skilled in the art without departing from the spirit and scope of the present invention should also be regarded as the protection scope of the present invention.

Claims (10)

1. Prefabricated component combination, its characterized in that includes: the prefabricated concrete structure comprises a first vertical prefabricated concrete component (3) and two transverse prefabricated concrete components (1) which are adjacently arranged at the top of the first vertical prefabricated concrete component (3), at least part of transverse ribs (11) of one transverse prefabricated concrete component (1) are mechanically connected with at least part of transverse ribs (11) of the other transverse prefabricated concrete component (1), supporting pieces (5) for supporting one transverse prefabricated concrete component (1) are respectively arranged at two transverse sides of the top of the first vertical prefabricated concrete component (3), and cast-in-place concrete sections (2) for connecting the two transverse prefabricated concrete components (1) are arranged at the top of the first vertical prefabricated concrete component (3).

2. The precast element combination according to claim 1, wherein the supporter (5) comprises a mounting end (51) connected to the side wall of the first vertical precast concrete element (3), and a supporting end (52) connected to the bottom of the lateral precast concrete element (1); the supporting end (52) and the mounting end (51) are provided with a reinforcing end (53).

3. A prefabricated unit combination according to claim 2, characterized in that the mounting end (51) has a connection hole (511),

the first vertical prefabricated concrete component (3) is provided with an embedded part (31) which transversely penetrates through the first vertical prefabricated concrete component, two end parts of the embedded part (31) extend out of the first vertical prefabricated concrete component (3), one end part of the embedded part (31) penetrates through a connecting hole (511) of one supporting part (5) and is fixedly connected with the supporting part (5), and the other end part of the embedded part (31) penetrates through a connecting hole (511) of the other supporting part (5) and is fixedly connected with the supporting part (5);

or the first vertical prefabricated concrete component (3) is provided with a through hole which is transversely penetrated through, the mounting piece is penetrated through the through hole, two end parts of the mounting piece extend out of the first vertical prefabricated concrete component (3), one end part of the mounting piece is penetrated through a connecting hole (511) of one supporting piece (5) and is fixedly connected with the supporting piece (5), and the other end part of the mounting piece is penetrated through a connecting hole (511) of the other supporting piece (5) and is fixedly connected with the supporting piece (5).

4. The prefabricated part combination according to claim 2 or 3, wherein the support end (52) is provided with a positioning hole (521), and the transverse precast concrete unit (1) and the support end (52) are connected and fixed by a positioning piece or a plug-in piece penetrating through the positioning hole (521);

the width W1 of the supporting end (52) is more than or equal to the bottom width W2 of the transverse precast concrete component (1).

5. A combination of prefabricated parts according to claim 1 or 2,

the concrete casting structure is characterized by further comprising a reinforcing layer (6) positioned above the two transverse prefabricated concrete components (1) and the cast-in-place concrete section (2), wherein a rib net or transverse rib (61) is arranged in the reinforcing layer (6);

a stress rib array formed by combining a plurality of transverse ribs (11) is arranged in the transverse precast concrete component (1);

hoops (12) or spiral ribs are wound outside the stress rib array, the tops of the hoops (12) or spiral ribs extend out of the transverse prefabricated concrete component (1) to extend to the reinforcing layer (6) and are connected with the rib nets or transverse ribs (61);

the reinforcing layer (6) and the cast-in-place concrete section (2) are integrally cast.

6. The prefabricated component combination of claim 5 further comprising a second vertical prefabricated concrete component (4), wherein the second vertical prefabricated concrete component (4) is positioned above the first vertical prefabricated concrete component (3);

one end of the mechanical splicing assembly (7) is fixedly connected with a first vertical stress rib (32) of the first vertical prefabricated concrete component (3), and the other end of the mechanical splicing assembly is fixedly connected with a second vertical stress rib (41) of the second vertical prefabricated concrete component (4);

a cast-in-situ connecting section (8) for coating the mechanical splicing assembly (7) is arranged between the reinforcing layer (6) and the second vertical prefabricated concrete component (4);

the cast-in-place concrete section (2), the reinforcing layer (6) and the cast-in-place connecting section (8) are integrally formed.

7. The prefabricated part combination according to claim 6,

key grooves (9) are arranged on the opposite surfaces of the two transverse prefabricated concrete components (1) and/or the opposite surfaces of the first vertical prefabricated concrete component (3) and the second vertical prefabricated concrete component (4);

the inclination angle of the inclined plane of the key groove (9) is less than 30 degrees.

8. The prefabricated part combination according to claim 7,

the key grooves (9) are uniformly distributed on the opposite surfaces of the two transverse precast concrete members (1), the transverse ribs (11) are uniformly distributed on the key grooves (9), and the transverse rib (11) in the key groove (9) of one transverse precast concrete member (1) is mechanically connected with the transverse rib (11) in the key groove (9) of the other transverse precast concrete member (1);

the cast-in-place concrete section (2) extends into the key groove (9).

9. The prefabricated part combination according to any one of claims 1 or 8,

at least part of transverse ribs (11) of one transverse prefabricated concrete component (1) are connected with at least part of transverse ribs (11) of the other transverse prefabricated concrete component (1) through a mechanical connector (10);

the mechanical connecting piece (10) comprises two connecting groups (101) with ball joints and adjusting pieces (102) for connecting the two connecting groups (101), and the two connecting groups (101) are respectively connected with transverse ribs (11) of the transverse precast concrete member (1).

10. The prefabricated part combination according to claim 7,

the width of the key groove (9) is K, the depth is T, and the width K is larger than three times of the depth T and smaller than ten times of the depth T.

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