CN112575907A - Dry type connecting piece of prefabricated member and connecting joint of prefabricated member - Google Patents

Dry type connecting piece of prefabricated member and connecting joint of prefabricated member Download PDF

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Publication number
CN112575907A
CN112575907A CN202011462265.5A CN202011462265A CN112575907A CN 112575907 A CN112575907 A CN 112575907A CN 202011462265 A CN202011462265 A CN 202011462265A CN 112575907 A CN112575907 A CN 112575907A
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CN
China
Prior art keywords
prefabricated
notch
embedded
groove
vertical
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Pending
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CN202011462265.5A
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Chinese (zh)
Inventor
廖智强
陈甫亮
施明哲
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Zhuyou Zhizao Technology Industry Group Co ltd
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Zhuyou Zhizao Technology Industry Group Co ltd
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Priority to CN202011462265.5A priority Critical patent/CN112575907A/en
Publication of CN112575907A publication Critical patent/CN112575907A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/388Separate connecting elements

Abstract

The dry type connecting piece of the prefabricated member comprises a connecting support and a groove type connector, wherein the connecting support comprises a pre-buried assembly and a rear-mounted supporting head connected with the pre-buried assembly, the rear-mounted supporting head comprises a connecting end and a plate body end which are integrally formed, and the size of the connecting end is smaller than that of the plate body end; the groove-shaped connector is provided with a notch matched with the connecting end in shape, the size of the notch is between the size of the connecting end and the size of the plate body end, and the notch is clamped on the periphery of the connecting end. The connecting node of the prefabricated member comprises a first prefabricated member, a second prefabricated member and the dry-type connecting piece of the prefabricated member, wherein a pre-buried sleeve assembly is pre-buried in the first prefabricated member; the vertical surface of second prefab sets up the notch that link up the top side/bottom side of second prefab, and the cell type connector is pre-buried in the notch, and breach and notch intercommunication, and the connecting end is located to the breach card links together first prefab and second prefab.

Description

Dry type connecting piece of prefabricated member and connecting joint of prefabricated member
Technical Field
The invention belongs to the technical field of fabricated building, and particularly relates to a dry type connecting piece of a prefabricated member and a connecting node of the prefabricated member.
Background
In the field of assembly type buildings, most components are produced in factories and then transported to be assembled on construction sites. When each component is assembled, in order to ensure the continuity of stress, connecting pieces are required to be arranged between the prefabricated components to connect the adjacent prefabricated components. In the prior art, connection nodes of prefabricated parts mainly comprise cast-in-place connection and pure dry connection, and a prefabricated column and a prefabricated beam are taken as an example for description. For the cast-in-place connection mode, the superposed beams are erected at the top ends of the prefabricated columns, then the stressed steel bars of the beams and the columns are bound, then the templates are arranged, and concrete is poured to connect the beams and the columns together. For dry joining, a joining assembly between the beam and the prefabricated column needs to be provided. For example, utility model patent with application number 201921955571.5, title as a male connector for building, its technical scheme mainly has following not enough: (1) the base sets up anchor end, reinforcing bar pier nose simultaneously, and the structure is complicated, and manufacturing cost is higher. (2) Bracket bearing assembly passes through bolt fixed connection with the base, but does not consider the construction process error influence, and is higher to the installation accuracy requirement, if the error is great then can lead to precast beam off normal, or perhaps even appear with the connecting piece inaccurate unable condition of installing. Still for example application number 201921955571.5, the name is a building cooperation connection structure's utility model patent, its technical scheme mainly exists following not enough: (1) the base sets up anchor end, reinforcing bar pier nose simultaneously, and the connecting seat sets up front panel, horizontal fixed plate, vertical fixed plate and rear panel simultaneously, and the structure is complicated, and manufacturing cost is higher. (2) Bracket bearing assembly passes through bolt fixed connection with the base, but does not consider the construction process error influence, and is higher to the installation accuracy requirement, if the error is great then can lead to precast beam off normal, or perhaps even appear with the connecting piece inaccurate unable condition of installing. (3) The problem of complete limiting and fixing after the components are connected is not considered, and the connecting piece may be loosened in the using process to cause the components to generate sliding deformation.
Therefore, a new dry-type connecting piece of a prefabricated member and a connecting node of the prefabricated member need to be developed to solve the technical problems that the dry-type connecting piece in the prior art is complex in structure and high in production and manufacturing cost, the connecting node of the prefabricated member has high requirement on installation accuracy, the on-site construction efficiency is influenced, the limiting stability after the components are connected is poor, the sliding deformation is easy to generate, and the like.
The invention content is as follows:
the invention aims to provide a novel dry type connecting piece of a prefabricated member and a connecting node of the prefabricated member, and aims to solve the technical problems that the dry type connecting piece in the prior art is complex in structure and high in production and manufacturing cost, the connecting node of the prefabricated member has high requirement on installation accuracy, the on-site construction efficiency is influenced, the limiting stability of a connected member is poor, the member is easy to slip and deform and the like.
In order to achieve the purpose, the invention adopts the following technical scheme:
a dry type connecting piece of a prefabricated part comprises a connecting support and a groove-shaped connector, wherein the connecting support comprises a pre-buried assembly and a rear-mounted supporting head connected with the pre-buried assembly, the rear-mounted supporting head comprises a connecting end and a plate body end which are integrally formed, and the size of the connecting end is smaller than that of the plate body end; the groove-shaped connector is provided with a notch matched with the connecting end in shape, the size of the notch is between the size of the connecting end and the size of the plate body end, and the notch is clamped on the periphery of the connecting end.
On the basis of the above embodiment, in another improved embodiment, the embedded assembly includes an embedded sleeve assembly and a fastener, the rear-mounted support head is provided with a connecting hole horizontally penetrating through the connecting end and the plate body end, and the fastener penetrates through the connecting hole to connect and fix the rear-mounted support head and the embedded sleeve assembly; the groove-shaped connector comprises a body and a reinforcing rib, the body is provided with the notch, the shape of the notch is matched with that of the connecting end, and the reinforcing rib is arranged at one end, far away from the connecting support, of the body.
On the basis of the embodiment, in another improved embodiment, the embedded sleeve assembly comprises a threaded sleeve and an anchoring rib, the threaded sleeve and the anchoring rib are fixed together through connecting steel sheets, the anchoring rib is arranged at the end part, away from the rear-mounted supporting head, of the threaded sleeve, and two ends of the fastener are respectively connected with the threaded hole of the threaded sleeve and the rear-mounted supporting head.
On the basis of the above embodiment, in another improved embodiment, the number and the positions of the connecting holes correspond to those of the threaded sleeves in a one-to-one manner.
On the basis of the above embodiment, in another modified embodiment, the top side of the connecting end is lower than the top side of the board body end, and the vertical both sides of the connecting end are narrower than the vertical both sides of the board body end.
On the basis of the above embodiment, in another modified embodiment, the number of the fasteners is the same as the number of the threaded sleeves.
On the basis of the above embodiment, in another improved embodiment, the two threaded sleeves are located on the same vertical plane and are welded and fixed, and the anchor bars are straight anchor bars or bent anchor bars.
On the basis of the above embodiment, in another improved embodiment, the body is a pre-buried box with an open bottom surface, the vertical plate of the pre-buried box facing the connecting support is provided with the notch, and the size of the plate body end is smaller than that of the vertical plate; or the body includes integrated into one piece's connecting plate and two curb plates, two the curb plate connect perpendicularly in the vertical both sides limit of connecting plate, seted up on the connecting plate the breach, the size of plate body end is less than the size of connecting plate.
On the basis of the above embodiment, in another improved embodiment, the end surface of the embedded box far away from the connecting support is provided with the reinforcing rib. And the reinforcing ribs are arranged on the two side plates.
On the basis of the above embodiment, in another improved embodiment, the connection hole is a strip-shaped through hole.
On the basis of the above embodiment, in another improved embodiment, the thickness of the connecting end is greater than that of the body.
The invention also provides a connecting node of the prefabricated member, which comprises a first prefabricated member, a second prefabricated member and the dry connecting piece of the prefabricated member, wherein the embedded assembly is embedded in the first prefabricated member, the end surface of the embedded assembly, which is connected with the after-loading supporting head, is exposed out of the surface of the first prefabricated member, and the embedded assembly is connected with the after-loading supporting head; the vertical surface of the second prefabricated member is provided with a notch which is communicated with the top side/the bottom side of the second prefabricated member, the groove-shaped connector is embedded in the notch, the notch is communicated with the notch, and the notch is clamped on the connecting end to connect the first prefabricated member and the second prefabricated member together.
In another improved embodiment, the first prefabricated member is a prefabricated column, the embedded assembly is embedded in the vertical surface of the prefabricated column, and the second prefabricated member is a prefabricated beam; the vertical end face of the precast beam connected with the precast column is provided with the notch, the notch penetrates through the bottom surface of the precast beam, the groove-shaped connector is pre-embedded at the top side of the notch, and the notch is flush with the vertical end face of the precast beam; the groove-shaped connector is clamped on one side of the prefabricated column, and the prefabricated beam is connected to the connecting end.
In another improved embodiment, the first prefabricated member is a prefabricated wall panel, and the second prefabricated member is a prefabricated beam; the embedded assembly is embedded in the vertical front/vertical side face of the prefabricated wall panel, the vertical end face of the prefabricated beam connected with the prefabricated column is provided with the notch, the notch penetrates through the bottom side surface of the prefabricated beam, the groove-shaped connector is embedded in the top side of the notch, and the notch is flush with the vertical end face of the prefabricated beam; the groove-shaped connector is clamped on the connecting end to connect the precast beam on the surface/side surface of the precast wallboard.
In another improved embodiment, the first prefabricated member is a prefabricated main beam, and the second prefabricated member is a prefabricated secondary beam; the embedded assembly is embedded in the surface, connected with the prefabricated secondary beam, of the prefabricated main beam, the notch is formed in the vertical end face of the prefabricated secondary beam connected with the prefabricated main beam, the notch penetrates through the bottom side surface of the prefabricated secondary beam, the groove-shaped connector is embedded in the top side of the notch, and the notch is flush with the vertical end face of the prefabricated secondary beam; the groove-shaped connector is clamped on the surface of the prefabricated main beam, and the prefabricated secondary beam is connected to the connecting end.
In another improved embodiment, the connection node of the prefabricated members further comprises a third prefabricated member, the first prefabricated member is a prefabricated caisson, the second prefabricated member is a first prefabricated beam, the third prefabricated member is a second prefabricated beam, and the first prefabricated beam and the second prefabricated beam have the same structure; the embedded assemblies are embedded in the two vertical side surfaces of the prefabricated caisson, the groove openings penetrating through the top side surfaces of the first prefabricated beam and the second prefabricated beam are formed in the surfaces of the first prefabricated beam and the second prefabricated beam, the groove connectors are embedded in the groove openings of the surfaces of the first prefabricated beam and the second prefabricated beam, and the notches are flush with the vertical side surfaces of the first prefabricated beam or the second prefabricated beam; the groove-shaped connector is clamped on the connecting end to connect the two vertical side faces of the prefabricated caisson to the surfaces of the first prefabricated beam and the second prefabricated beam respectively.
The invention has the following beneficial effects:
1. according to the dry type connecting piece of the prefabricated piece, the embedded sleeve component is embedded in the prefabricated piece, and the rear-mounted supporting head is connected with the embedded sleeve component through the fastening piece; the connecting hole of the rear-mounted supporting head is a strip-shaped through hole, so that the fastener can be allowed to have a certain adjusting range; the position of the connecting support can be adjusted before construction, and the connecting support has certain tolerance capability; the groove type connector is clamped at the connecting end for limiting, the dry type connecting piece can be prevented from loosening and sliding to deform in the using process after cement mortar is filled in the groove type connector, and meanwhile, the dry type connecting piece can be prevented from rusting.
2. According to the connecting node of the prefabricated members, the two prefabricated members are connected in a dry type, so that the structural system is simple in stress and high in construction efficiency; the prefabricated part has no ribs, the wet operation amount is small, the formwork supporting amount is small, the construction environment can be improved, and the construction cost is reduced; the prefabricated part is prefabricated in a factory, only a common side die is needed to be arranged, and the die cost is saved; the connecting piece has simple structure, low manufacturing cost and high production efficiency.
Drawings
FIG. 1 is a schematic perspective view of a dry connector of the preform of example 1;
FIG. 2 is a schematic view of FIG. 1 in a top view;
FIG. 3 is a schematic perspective view of a connecting lug in a modified embodiment of embodiment 1;
fig. 4 is a schematic perspective view of a pre-buried sleeve assembly in a modified embodiment of embodiment 1;
FIG. 5 is a schematic perspective view of a rear mount support head in a modified embodiment of embodiment 1;
FIG. 6 is a schematic perspective view showing a groove type connector in a modified embodiment of example 1;
FIG. 7 is a side view of a connecting node of a precast column and a precast beam in embodiment 2;
FIG. 8 is a schematic perspective view of a precast column according to example 2;
fig. 9 is a schematic perspective view of a precast beam in embodiment 2;
fig. 10 is a side view of the connecting node of the prefabricated wall panel and the prefabricated beam in embodiment 3;
FIG. 11 is a schematic perspective view of the prefabricated wall panel of example 3;
fig. 12 is a side view of the connecting node of the prefabricated wall panel and the prefabricated beam in embodiment 4;
FIG. 13 is a schematic perspective view of the prefabricated wall panel of example 4;
FIG. 14 is a side view of the connecting node of the prefabricated main and secondary beams in example 5;
FIG. 15 is a schematic perspective view of a precast main beam according to example 5;
fig. 16 is a side view of a connecting node of a precast caisson and a precast girder in embodiment 6;
FIG. 17 is a schematic perspective view of a prefabricated caisson according to example 6;
fig. 18 is a schematic perspective view of a precast beam according to example 6.
Reference numerals:
1-connecting support 2-groove type connector 3-embedded sleeve component
4-fastener 5-rear-mounted supporting head 6-anchoring rib
7-threaded sleeve 8-connecting steel sheet 9-connecting end
10-plate body end 11-connecting hole 12-body
13-notch 14-stiffener
01-prefabricated column 02-prefabricated beam 03-prefabricated main beam
04-prefabricated secondary beam 05-prefabricated wall plate 06-prefabricated caisson
07-notch 08-first precast beam 09-second precast beam
Detailed Description
The following preferred embodiments of the present invention are provided to aid in a further understanding of the invention. It should be understood by those skilled in the art that the description of embodiment 3 of the present invention is only exemplary and not intended to limit the scope of the present invention.
Example 1
Referring to the schematic drawings of fig. 1 and 2, the dry-type connecting piece of the prefabricated member in the embodiment comprises a connecting support 1 and a groove-type connector 2, wherein the connecting support 1 comprises a pre-embedded component and a post-installation supporting head 5 connected with the pre-embedded component, the post-installation supporting head 5 comprises a connecting end 9 and a plate body end 10 which are integrally formed, and the size of the connecting end 9 is smaller than that of the plate body end 10; the groove-shaped connector 2 is provided with a notch 13 matched with the connecting end 9 in shape, the size of the notch 13 is between the size of the connecting end 9 and the size of the plate body end 10, and the notch 13 is clamped on the periphery of the connecting end 9. In the dry type connecting piece of the prefabricated member in the embodiment, the connecting support 1 and the groove type connector 2 are respectively arranged on the two prefabricated members, the notch 13 of the groove type connector 2 is sleeved on the connecting end 9 during installation, and the connecting end 9 are respectively positioned at two sides of the notch 13 to form a limiting structure because the size of the notch 13 is between that of the connecting end 9 and that of the plate body end 10. The whole connecting piece can be installed only by clamping the notch 13 on the connecting end 9, so that the construction and installation operations are simple and convenient, the requirement on the installation precision is not high, and the stress is reliable.
Referring to the schematic drawings of fig. 1 to 6, on the basis of the present embodiment, in another modified embodiment, the embedded assembly includes an embedded sleeve assembly 3 and a fastener 4, a connecting hole 11 horizontally penetrating through the connecting end 9 and the plate body end 10 is arranged on the rear-mounted supporting head 5, and the fastener 4 penetrates through the connecting hole 11 to connect and fix the rear-mounted supporting head 5 and the embedded sleeve assembly 3; the groove-shaped connector 2 comprises a body 12 and a reinforcing rib 14, wherein a notch 13 matched with the connecting end 9 in shape is formed in the body 12, and the reinforcing rib 14 is arranged at one end, far away from the connecting support 1, of the body 12.
Referring to the schematic drawings of fig. 3 to 5, the embedded sleeve assembly 3 comprises a threaded sleeve 7 and an anchoring rib 6 which are fixed together through a connecting steel sheet 8, the anchoring rib 6 is arranged at the end part of the threaded sleeve 7 far away from the rear-mounted supporting head 5, and two ends of the fastener 4 are respectively connected with a threaded hole of the threaded sleeve 7 and the rear-mounted supporting head 5. In the present embodiment, the threaded sleeve 7 is a blind hole structure provided with an internal thread, and the open end of the threaded sleeve 7 faces the connecting end 9 of the rear mount support head 5 and corresponds to the connecting hole 11. The fastening member 4 includes a screw rod and a nut such that after the screw rod is inserted into the coupling hole 11, one end of the screw rod is threadedly coupled with the threaded sleeve 7 and the other end of the screw rod is fixed to one side of the threaded sleeve 7 of the panel body end 10 by the nut. Through setting up two threaded sleeve 7, can improve the joint strength between pre-buried sleeve and the back dress support head 5, reduced the potential risk that threaded sleeve 7 and screw rod break away from. In other embodiments, the fastening member 4 may be a bolt with an external thread, the threaded end of the bolt is inserted from the connecting hole 11 and fixed inside the threaded sleeve 7, and the head end of the bolt is fixed outside the plate body end 10.
Referring to the illustrations of fig. 3 to 5, on the basis of the above embodiment, in another modified embodiment, the number and the positions of the connecting holes 11 correspond to those of the threaded sleeves 7 one by one; the number of fasteners 4 is the same as the number of threaded sleeves 7. The two threaded sleeves 7 are positioned on the same vertical plane and are welded and fixed, and the two connecting holes 11 are also vertically arranged on a straight line and correspond to the threaded sleeves 7 in position; and then inserted into the coupling hole 11 by the fastener 4 and coupled with the threaded sleeve 7.
Referring to the schematic diagram of fig. 5, in a modified embodiment of this embodiment, the rear supporting head 5 is integrally formed by using a rectangular parallelepiped billet, one side of the billet is cut into a thicker rectangular parallelepiped necking structure to form the connecting end 9, the other side of the billet is cut into a thinner steel plate to form the plate body end 10, the connecting end 9 is flush with the bottom side of the plate body end 10, the top side of the connecting end 9 is lower than the top side of the plate body end 10, the vertical two sides of the connecting end 9 are narrower than the vertical two sides of the plate body end 10, and the top ends of the connecting end 9 and the plate body end 10 are both processed into a. When the notch 13 of the slot-type connector 2 is clamped on the periphery of the connecting end 9, the plate body end 10 is clamped on the other side of the notch 13 to form a limiting structure. The arrangement is low in cost and convenient to install.
Referring to the schematic illustration of fig. 5, in a modified embodiment of the present embodiment, two strip-shaped connecting holes 11 are formed in the middle of the rear mounting support head 5; the fastener 4 has a certain adjustment range in the horizontal direction when inserted into the coupling hole 11.
Referring to the schematic drawings of fig. 3 to 5, on the basis of the present embodiment, in another modified embodiment, the anchoring bar 6 is a straight anchoring bar or a bent anchoring bar. In other improved embodiments, the heads of the anchoring bars 6 can be provided with anchor heads or anchor nets or anchors to enhance the combining ability of the embedded sleeve assembly 3 and the concrete.
Referring to the schematic diagram of fig. 6, in another modified embodiment based on this embodiment, the body 12 includes a connecting plate and two side plates, which are integrally formed, the two side plates are perpendicularly connected to two vertical sides of the connecting plate, the connecting plate is provided with a notch 13, and the size of the plate body end 10 is smaller than that of the connecting plate. Reinforcing ribs 14 are arranged on the two side plates, and the reinforcing ribs 14 are connected by adopting straight anchors or bent anchors according to the embedded components. The plate body end 10 of the rear loading support head 5 has a width less than 1-2cm of the attachment plate so that when the notch 13 is caught on the outer periphery of the attachment end 9, the plate body end 10 can be positioned on the side of the attachment plate remote from the attachment end 9 to form a restraining structure. Embedding the groove type connector 2 in a prefabricated member, filling foam or rubber in the groove type connector 2 when embedding, and taking out the filled foam or rubber after the prefabricated member is formed; when in use, the connecting support 1 is clamped into the notch 13 of the groove type connector 2, and the installation of the connecting piece is completed. Then, cement mortar or micro-expansive concrete is filled in the inner cavity of the groove-shaped connector 2 to prevent the connecting piece from rusting, and the connecting support 1 and the groove-shaped connector 2 are fixed together.
In another improved embodiment of this embodiment, the body 12 is an embedded box with an open bottom, a gap 13 is opened on a vertical plate of the embedded box facing the connecting bracket 1, and the size of the plate body end 10 is smaller than that of the vertical plate. The end face of the embedded box far away from the connecting support 1 is provided with a reinforcing rib 14. The structure of the pre-buried box is set, the structure of the body 12 is more stable and firm, and the box structure can be tensile and compressive.
Referring to the illustrations of fig. 1 and 2, in a further modified embodiment, based on the above embodiment, the thickness of the connecting end 9 is greater than the thickness of the body 12. With such an arrangement, when the notch 13 of the slot-type connector 2 is clamped at the periphery of the connecting end 9, the connecting end 9 can support the slot-type connector 2 more stably.
Example 2
The embodiment is a connecting node of prefabricated members, and the connecting node comprises a first prefabricated member, a second prefabricated member and a dry-type connecting piece of the prefabricated members in the embodiment 1, wherein a pre-buried assembly is pre-buried in the first prefabricated member, the end face, connected with an after-loading supporting head 5, of the pre-buried assembly is exposed out of the surface of the first prefabricated member, and the pre-buried assembly is connected with the after-loading supporting head 5 through a fastener 4; the vertical surface of second prefab is seted up the notch 07 that link up the top side/the bottom side of second prefab, and cell type connector 2 is pre-buried in notch 07, and breach 13 and notch 07 intercommunication, and the link 9 is located in the breach 13 card links together first prefab and second prefab. Referring to the illustrations of fig. 7 to 9, in the embodiment, the first prefabricated member is a prefabricated column 01, the embedded component is embedded in the vertical surface of the prefabricated column 01, and the second prefabricated member is a prefabricated beam 02; a notch 07 is formed in the vertical end face of the precast beam 02 connected with the precast column 01, the notch 07 penetrates through the bottom side surface of the precast beam 02, the groove-shaped connector 2 is pre-embedded in the top side of the notch 07, and the notch 13 is flush with the vertical end face of the precast beam 02; the groove-shaped connector 2 is clamped at the connecting end 9 to connect the precast beam 02 to one side of the precast column 01.
In the embodiment, the groove-type connector 2 is pre-embedded at the top side of the notch 07 of the precast beam 02, the precast beam 02 is connected with the side surface of the precast column 01 through the dry-type connecting piece, no steel bar extends out of the end surface of the precast beam 02, the production mold is simple, and the transportation is convenient; the top side of the prefabricated column 01 is connected with the prefabricated column 01 on the upper layer through longitudinal ribs, and due to the fact that connecting nodes between the two prefabricated columns and connecting nodes between the prefabricated column 01 and the prefabricated beam 02 are staggered, the technical problems that in the prior art, the prefabricated beam 02 is placed at the end of the prefabricated column 01, existing extending reinforcing steel bars are mutually dry with on-site placed reinforcing steel bars, the prefabricated column 01 reinforcing steel bars and the prefabricated beam 02 reinforcing steel bars, and concrete pouring and vibrating of the nodes are difficult are solved.
When producing prefabricated post 01, pre-buried subassembly is pre-buried at the vertical side surface of prefabricated post 01, and the 9 faces of link of pre-buried subassembly expose in the surface of prefabricated post 01, consequently do not have the reinforcing bar to stretch out at the vertical surface of prefabricated post 01, need not reform transform current production mould. The rear-mounted supporting head 5 is connected to the embedded assembly through the fastener 4 in a construction site, so that the rear-mounted supporting head 5 can be exposed out of the vertical side surface of the precast column 01, the precast beam 02 is only lifted in construction, the notch 07 of the precast beam 02 is aligned with the rear-mounted supporting head 5, and the rear-mounted supporting head 5 enters and is clamped in the notch 13 of the groove-type connector 2 from the notch 07.
In a modified embodiment of this embodiment, a corrugated pipe may be pre-embedded on the top side of the precast beam 02 corresponding to the positions of the notch 07 and the channel connector 2, and the corrugated pipe is aligned with the cavity portion of the channel connector 2. During production, the top side of the corrugated pipe is plugged by the plugging piece, after the prefabricated beam 02 and the prefabricated column 01 are connected, the plugging piece is taken down, and micro-expansion concrete is injected into the corrugated pipe to fill the cavity of the groove type connector 2. Thus, the fixing of the connecting bracket 1 and the slot type connector 2 is completed, and the displacement between the connecting bracket 1 and the slot type connector is avoided; and secondly, the connecting piece is prevented from being corroded.
Example 3
Referring to the schematic drawings of fig. 10 and 11, the present embodiment is a connection node of prefabricated members, including a first prefabricated member, a second prefabricated member and a dry-type connection member of the prefabricated members in embodiment 1, wherein the first prefabricated member is a prefabricated wall panel 05, and the second prefabricated member is a prefabricated beam 02; the embedded assembly is embedded in the vertical front of the prefabricated wall panel 05, a notch 07 is formed in the vertical end face of the prefabricated beam 02 connected with the prefabricated column 01, the notch 07 penetrates through the bottom side surface of the prefabricated beam 02, the groove-type connector 2 is embedded in the top side of the notch 07, and the notch 13 is flush with the vertical end face of the prefabricated beam 02; the groove type connector 2 is clamped at the connecting end 9 to connect the precast beam 02 to the surface of the precast wall panel 05.
Referring to the schematic diagram of fig. 11, in the embodiment, the embedded components are embedded in the vertical front surface of the prefabricated wall panel 05, and the groove-type connector 2 is embedded in the top side of the notch 07 of the prefabricated beam 02. Therefore, the rear-mounted supporting head 5 is fixed on the embedded sleeve component 3 through the fastener 4 in a construction site, the precast beam 02 is lifted, the notch 07 of the precast beam 02 is aligned with the rear-mounted supporting head 5, the rear-mounted supporting head 5 enters from the notch 07 and is clamped in the notch 13 of the groove type connector 2, and the connection between the end head of the precast beam 02 and the front surface of the precast wallboard 05 can be achieved.
Prefabricated wallboard 05 in this embodiment and precast beam 02's connected node is connected for pure dry-type, and prefabricated wallboard 05 and precast beam 02 all need not set up and stretch out the reinforcing bar, and production and hoist and mount are convenient, and construction operation is simple, need not to carry out concrete placement, and the efficiency of construction is high.
Example 4
Referring to the schematic drawings of fig. 12 and 13, the present embodiment is a connection node of prefabricated members, including a first prefabricated member, a second prefabricated member and a dry-type connection member of the prefabricated members in embodiment 1, wherein the first prefabricated member is a prefabricated wall panel 05, and the second prefabricated member is a prefabricated beam 02; the embedded assembly is embedded in the vertical side face of the precast column 01, a notch 07 is formed in the vertical end face of the precast beam 02 connected with the precast column 01, the notch 07 penetrates through the bottom side surface of the precast beam 02, the groove-type connector 2 is embedded in the top side of the notch 07, and the notch 13 is flush with the vertical end face of the precast beam 02; the groove type connector 2 is clamped at the connecting end 9 to connect the precast beam 02 to the side surface of the precast wall panel 05.
The difference between this embodiment 4 and embodiment 3 is that, in this embodiment 4, the embedded components are embedded in the vertical side of the prefabricated wall panel 05, and the end of the prefabricated beam 02 is connected with the side of the prefabricated wall panel 05.
Example 5
Referring to the schematic drawings of fig. 14 and 15, the present embodiment is a connection node of prefabricated members, and includes a first prefabricated member, a second prefabricated member and a dry-type connection member of the prefabricated members in embodiment 1, wherein the first prefabricated member is a prefabricated main beam 03, and the second prefabricated member is a prefabricated secondary beam 04; the embedded assembly is embedded in the surface, connected with the prefabricated secondary beam 04, of the prefabricated main beam 03, a notch 07 is formed in the vertical end face of the prefabricated secondary beam 04 connected with the prefabricated main beam 03, the notch 07 penetrates through the bottom side surface of the prefabricated secondary beam 04, the groove-shaped connector 2 is embedded in the top side of the notch 07, and the notch 13 is flush with the vertical end face of the prefabricated secondary beam 04; the groove-shaped connector 2 is clamped at the connecting end 9 to connect the prefabricated secondary beam 04 to the surface of the prefabricated main beam 03.
Referring to the schematic diagram of fig. 15, in this embodiment, the embedded components are embedded in the middle of the vertical surface of the prefabricated main beam 03, and the groove-type connector 2 is embedded in the end of the prefabricated secondary beam 04. Therefore, the notch 07 of the prefabricated secondary beam 04 is aligned to the rear-mounted supporting head 5 of the prefabricated main beam 03 and put down, and the prefabricated secondary beam 04 can be hung in the middle of the prefabricated main beam 03 in a dry mode.
In this embodiment, through the pre-buried position that changes pre-buried subassembly, can realize the connection at the different positions of prefabricated secondary beam 04 and prefabricated girder 03, the design adjustment space is big, does not have the reinforcing bar to interfere, need not reform transform the production mould of prefab.
Example 6
Referring to the schematic drawings of fig. 16 to 18, the present embodiment is a connection node of prefabricated members, and comprises a first prefabricated member, a second prefabricated member, a third prefabricated member and a dry-type connection member of the prefabricated members in embodiment 1, wherein the first prefabricated member is a prefabricated caisson 06, the second prefabricated member is a first prefabricated beam 08, the third prefabricated member is a second prefabricated beam 09, and the first prefabricated beam 08 and the second prefabricated beam 09 have the same structure; two embedded assemblies are embedded in the two vertical side faces of the prefabricated caisson 06, two notches 07 penetrating through the top side surfaces of the first prefabricated beam 08 and the second prefabricated beam 09 are arranged on the surfaces of the first prefabricated beam 08 and the second prefabricated beam 09, groove-type connectors 2 are embedded in the two notches 07 on the surfaces of the first prefabricated beam 08 and the second prefabricated beam 09, and the notch 13 is flush with the vertical side face of the first prefabricated beam 08 or the second prefabricated beam 09; the positions and the intervals of the two groove-shaped connectors 2 correspond to the positions and the intervals of the two notches 07 respectively, the rear-mounted supporting head 5 is placed down from the position of the notch 07 of the precast beam 02 until the connecting end 9 is clamped in the notch 13 by hoisting the precast caisson 06, and the vertical two side faces of the precast caisson 06 are connected to the surfaces of the first precast beam 08 and the second precast beam 09 respectively by clamping the connecting support 1 in the notch 13 of the groove-shaped connector 2.
This embodiment 6 is different from the structure of the precast girders 02 in embodiments 2 to 4 in that the notch 07 of the precast girder 02 in this embodiment 6 communicates with the top side surface thereof. Since the precast girders 02 in this embodiment are structural members that need to bear the load of the precast caisson 06, and the precast caisson 06 is a non-structural member, the connecting lugs 1 are connected to the precast caisson 06, and the channel connectors 2 are pre-buried in the concrete of the precast girders 02 that need to bear the weight of the precast caisson 06. In order to realize hanging of the precast caisson 06 on the precast girders 02, the connecting lugs 1 are pre-buried in the present embodiment 6 in the opposite direction to the connecting lugs 1 in embodiments 2 to 4, and the top sides of the connecting lugs 1 are pre-buried vertically downward. And the embedding direction of the slot type connector 2 is also opposite to that of the embodiment 2 to 4, namely, the notch 13 of the slot type connector 2 in the embodiment 6 is upward, and the notch 13 is communicated with the notch 07. Thus, during construction, the prefabricated caisson 06 can be hung on the prefabricated beam 02 by clamping the connecting support 1 of the prefabricated caisson 06 in the notch 07 and the gap 13. In the embodiment, the groove-shaped connectors 2 are embedded in the notches 07 on the surfaces of the first precast beam 08 and the second precast beam 09 through the embedded components on the two vertical sides of the precast caisson 06, so that the two sides of the precast caisson 06 can be hung on the first precast beam 08 and the second precast beam 09 in a dry mode, the dry connection is realized, the structure is reliable, the stress is clear, the concrete cast-in-place construction is not needed, the installation efficiency is high, and the anti-seismic performance is good.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application and not for limiting the protection scope thereof, and although the present application is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: numerous variations, modifications, and equivalents will occur to those skilled in the art upon reading the present application and are within the scope of the claims as issued or as granted.

Claims (10)

1. The dry type connecting piece of the prefabricated member is characterized by comprising a connecting support and a groove-shaped connector, wherein the connecting support comprises a pre-buried assembly and a post-installation supporting head connected with the pre-buried assembly, the post-installation supporting head comprises a connecting end and a plate body end which are integrally formed, and the size of the connecting end is smaller than that of the plate body end; the groove-shaped connector is provided with a notch matched with the connecting end in shape, the size of the notch is between the size of the connecting end and the size of the plate body end, and the notch is clamped on the periphery of the connecting end.
2. The dry connecting piece of the prefabricated member as claimed in claim 1, wherein the pre-embedded assembly comprises a pre-embedded sleeve assembly and a fastener, a connecting hole horizontally penetrating the connecting end and the plate body end is formed in the rear-mounted supporting head, and the fastener penetrates through the connecting hole to fixedly connect the rear-mounted supporting head and the pre-embedded sleeve assembly; the groove-shaped connector comprises a body and a reinforcing rib, the body is provided with the notch, the shape of the notch is matched with that of the connecting end, and the reinforcing rib is arranged at one end, far away from the connecting support, of the body.
3. The dry type connecting piece of the prefabricated member as claimed in claim 2, wherein the embedded sleeve assembly comprises two threaded sleeves and an anchoring rib which are fixed together through connecting steel sheets, the anchoring rib is arranged at the end part of the threaded sleeves far away from the rear-mounted supporting head, and two ends of the fastening piece are respectively connected with the threaded holes of the threaded sleeves and the rear-mounted supporting head.
4. The fabricated dry connector according to claim 3, wherein the number and the positions of the connection holes correspond to those of the threaded sleeves one to one.
5. The dry-type connecting piece of the prefabricated member as claimed in any one of claims 2 to 4, wherein the body is a pre-buried box with an open bottom surface, the gap is opened on a vertical plate of the pre-buried box facing the connecting bracket, and the size of the plate body end is smaller than that of the vertical plate; or the body includes integrated into one piece's connecting plate and two curb plates, two the curb plate connect perpendicularly in the vertical both sides limit of connecting plate, seted up on the connecting plate the breach, the size of plate body end is less than the size of connecting plate.
6. A connecting node of prefabricated parts, which is characterized by comprising a first prefabricated part, a second prefabricated part and a dry-type connecting piece of the prefabricated parts as claimed in any one of claims 1 to 5, wherein a pre-embedded assembly is pre-embedded in the first prefabricated part, the end face, connected with an after-loading supporting head, of the pre-embedded assembly is exposed out of the surface of the first prefabricated part, and the pre-embedded assembly is connected with the after-loading supporting head; the vertical surface of the second prefabricated member is provided with a notch which is communicated with the top side/the bottom side of the second prefabricated member, the groove-shaped connector is embedded in the notch, the notch is communicated with the notch, and the notch is clamped on the connecting end to connect the first prefabricated member and the second prefabricated member together.
7. The connecting joint of the prefabricated members as claimed in claim 6, wherein the first prefabricated member is a prefabricated column, the embedded assembly is embedded in the vertical surface of the prefabricated column, and the second prefabricated member is a prefabricated beam; the vertical end face of the precast beam connected with the precast column is provided with the notch, the notch penetrates through the bottom surface of the precast beam, the groove-shaped connector is pre-embedded at the top side of the notch, and the notch is flush with the vertical end face of the precast beam; the groove-shaped connector is clamped on one side of the prefabricated column, and the prefabricated beam is connected to the connecting end.
8. The prefabricated member connecting node according to claim 6, wherein the first prefabricated member is a prefabricated wall panel and the second prefabricated member is a prefabricated beam; the embedded assembly is embedded in the vertical front/vertical side face of the prefabricated wall panel, the vertical end face of the prefabricated beam connected with the prefabricated column is provided with the notch, the notch penetrates through the bottom side surface of the prefabricated beam, the groove-shaped connector is embedded in the top side of the notch, and the notch is flush with the vertical end face of the prefabricated beam; the groove-shaped connector is clamped on the connecting end to connect the precast beam on the surface/side surface of the precast wallboard.
9. The fabricated member connection node of claim 6, wherein the first fabricated member is a prefabricated main beam and the second fabricated member is a prefabricated sub beam; the embedded assembly is embedded in the surface, connected with the prefabricated secondary beam, of the prefabricated main beam, the notch is formed in the vertical end face of the prefabricated secondary beam connected with the prefabricated main beam, the notch penetrates through the bottom side surface of the prefabricated secondary beam, the groove-shaped connector is embedded in the top side of the notch, and the notch is flush with the vertical end face of the prefabricated secondary beam; the groove-shaped connector is clamped on the surface of the prefabricated main beam, and the prefabricated secondary beam is connected to the connecting end.
10. The connecting node of prefabricated members according to claim 6, further comprising a third prefabricated member, wherein the first prefabricated member is a prefabricated caisson, the second prefabricated member is a first prefabricated beam, the third prefabricated member is a second prefabricated beam, and the first prefabricated beam and the second prefabricated beam have the same structure; the embedded assemblies are embedded in the two vertical side surfaces of the prefabricated caisson, the groove openings penetrating through the top side surfaces of the first prefabricated beam and the second prefabricated beam are formed in the surfaces of the first prefabricated beam and the second prefabricated beam, the groove connectors are embedded in the groove openings of the surfaces of the first prefabricated beam and the second prefabricated beam, and the notches are flush with the vertical side surfaces of the first prefabricated beam or the second prefabricated beam; the groove-shaped connector is clamped on the connecting end to connect the two vertical side faces of the prefabricated caisson to the surfaces of the first prefabricated beam and the second prefabricated beam respectively.
CN202011462265.5A 2020-12-11 2020-12-11 Dry type connecting piece of prefabricated member and connecting joint of prefabricated member Pending CN112575907A (en)

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CN202011462265.5A CN112575907A (en) 2020-12-11 2020-12-11 Dry type connecting piece of prefabricated member and connecting joint of prefabricated member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011462265.5A CN112575907A (en) 2020-12-11 2020-12-11 Dry type connecting piece of prefabricated member and connecting joint of prefabricated member

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113482166A (en) * 2021-07-19 2021-10-08 合肥工业大学 Shear wall connecting assembly and shear wall structure

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113482166A (en) * 2021-07-19 2021-10-08 合肥工业大学 Shear wall connecting assembly and shear wall structure
CN113482166B (en) * 2021-07-19 2023-08-11 合肥工业大学 Shear wall connecting assembly and shear wall structure

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