CN111980292B - Assembly type shear wall lock meshing connection device and application and use method thereof - Google Patents
Assembly type shear wall lock meshing connection device and application and use method thereof Download PDFInfo
- Publication number
- CN111980292B CN111980292B CN202010915549.9A CN202010915549A CN111980292B CN 111980292 B CN111980292 B CN 111980292B CN 202010915549 A CN202010915549 A CN 202010915549A CN 111980292 B CN111980292 B CN 111980292B
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- lock
- shear wall
- lock shell
- shell
- connection
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
- E04C2/32—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material
- E04C2/326—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with corrugations, incisions or reliefs in more than one direction of the element
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/61—Connections for building structures in general of slab-shaped building elements with each other
- E04B1/6108—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together
- E04B1/612—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces
- E04B1/6179—Connections for building structures in general of slab-shaped building elements with each other the frontal surfaces of the slabs connected together by means between frontal surfaces with protrusions and recesses on each frontal surface
Abstract
The invention relates to an assembled shear wall lock meshing connection device and application and a use method thereof. The method comprises the following steps: the lock comprises a lock body, a lock shell and a lock core, wherein the lock shell is of a cavity structure with openings at two ends, the top of the lock shell is provided with a lock shell opening, the lock core is provided with two symmetrical half lock core structures, the lock core is detachably arranged in the cavity structure of the lock shell, one ends, opposite to the two half lock cores, are combined to form a structure with a through groove, and the through groove is opposite to the lock shell opening; the lock shell cover plate covers the openings at the two ends of the lock shell and is connected with the lock shell. The high tensile strength is achieved, and the connection strength of the longitudinal shear wall is improved. The construction speed is fast, and the construction efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to an assembled shear wall lock meshing connection device and an application and use method thereof.
Background
The information in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
The fabricated building is a building which is fabricated by transferring a large amount of field operation in the traditional construction mode to a factory, processing and manufacturing building components and accessories (such as floor slabs, wall slabs, stairs, balconies and the like) in the factory, transporting the components and accessories to a building construction site, and assembling and installing the components and the accessories on the site in a reliable connection mode. The connection means has a great influence on the reliability and stability of the fabricated building.
To the construction of building outer wall, the mode that multi-storey building adopted assembled shear wall carries out vertical connection and horizontal connection, connect through grout sleeve between the shear wall of vertical connection, grout sleeve makes adjacent shear wall form the connection after the grout, but when grout closely knit degree etc. of grout sleeve itself can not guarantee, can influence the connection stability of whole shear wall, if adopt the mode of bolt counterpoint connection, the efficiency of construction has been reduced, current concatenation connected mode, connection stability is lower.
Disclosure of Invention
In view of the problems in the prior art, the invention aims to provide an engagement connection device for an assembled shear wall lock, and an application and a use method thereof. The provided assembled shear wall lock meshing connection device has high tensile strength, and the connection strength of the longitudinal shear wall is improved. The construction speed is fast, and the construction efficiency is improved.
In order to solve the technical problems, the technical scheme of the invention is as follows:
in a first aspect, an assembled shear wall lock interlock connection device includes:
the lock comprises a lock body, a lock shell and a lock core, wherein the lock shell is of a cavity structure with openings at two ends, the top of the lock shell is provided with a lock shell opening, the lock core is provided with two symmetrical half lock core structures, the lock core is detachably arranged in the cavity structure of the lock shell, one ends, opposite to the two half lock cores, are combined to form a structure with a through groove, and the through groove is opposite to the lock shell opening;
the lock shell cover plate covers the openings at the two ends of the lock shell and is connected with the lock shell.
After the two half lock cylinders are combined in the lock shell, the through groove structure formed by the two half lock cylinders provides the insertion position of the connecting rod of the adjacent shear wall, so that the adjacent shear walls can be conveniently connected. The connecting rod is tightly locked by the two half lock cylinders, the lock cylinder is bound by the lock shell, and the lock shell is sealed by the lock shell cover plate, so that the connecting device which enables the shear wall to be good in connection integrity and high in rigidity is provided.
In a second aspect, the assembled shear wall lock meshing connection device is applied to assembled construction of a shear wall.
In a third aspect, the use method of the assembly type shear wall lock meshing connection device in the assembly type construction of the shear wall comprises the following specific steps:
the adjacent shear walls are provided with corresponding concave-convex grooves, the groove of each shear wall is connected with a steel connecting rod, the end part of each steel connecting rod extends out of the groove, and a lock is preset at the position of the shear wall corresponding to the concave groove and corresponds to the position of the steel connecting rod of the adjacent shear wall;
assembling the lockset, the lock shell and the lock shell cover plate, wherein the lock shell opening of the lock shell is opposite to the steel connecting rod;
and adjacent shear walls are spliced, and the steel connecting rods corresponding to the grooves are inserted into the assembled shear wall lock meshing connecting devices corresponding to the convex grooves.
One or more technical schemes of the invention have the following beneficial effects:
the assembled shear wall lockset meshing connection device simplifies the operation process, reduces the technical requirements on constructors, has high mechanical connection reliability, and avoids the problems of high construction difficulty, low construction efficiency, long period and the like of the existing grouting sleeve connection mode while ensuring the construction quality;
in addition, the mechanical connection mode avoids the defects of difficult deformation prevention, high welding difficulty, high labor intensity and slow construction progress of the assembly type prefabricated shear wall in a welding mode during site construction.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic view of a fabricated shear wall connection according to an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an exterior view of a lock according to an embodiment of the present invention;
FIG. 4 is a perspective view of a lock housing according to an embodiment of the present invention;
FIG. 5 is an exterior view of a lock cylinder according to an embodiment of the present invention;
FIG. 6 is an internal exploded view of a lockset in accordance with an embodiment of the present invention;
fig. 7 is a schematic view of the connection between the lock cylinder and the connecting rod according to the embodiment of the present invention.
Wherein, 1, shear wall; 11. reserving a hole opening; 2. a steel connecting rod; 3. a lock; 31. a lock case; 311. the lock shell is opened; 312. a knob; 313. a lock shell threaded hole; 32. a lock cylinder; 321. a tooth socket; 322. a chute; 323. a slot; 33. a spring; 34. a cover plate of the lock case; 341. a loop bar; 342. a cover plate threaded hole; 35. and connecting screws.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In a first aspect, an assembled shear wall lock interlock connection device includes:
the lock comprises a lock body, a lock shell and a lock core, wherein the lock shell is of a cavity structure with openings at two ends, the top of the lock shell is provided with a lock shell opening, the lock core is provided with two symmetrical half lock core structures, the lock core is detachably arranged in the cavity structure of the lock shell, one ends, opposite to the two half lock cores, are combined to form a structure with a through groove, and the through groove is opposite to the lock shell opening;
the lock shell cover plate covers the openings at the two ends of the lock shell and is connected with the lock shell.
In some embodiments of the invention, the lock housing is of a square configuration and the opening of the lock housing is circular.
In some embodiments of the invention, the two opposite inner side walls of the lock case are respectively provided with a plurality of convex buttons, the convex buttons of the two inner side walls are oppositely arranged, and the convex buttons are arranged on the inner side walls adjacent to the side walls of the opening of the lock case. Preferably, four convex buttons are arranged on each inner side wall and arranged in a rectangular shape.
In some embodiments of the invention, the lock case threaded holes are respectively arranged at four corners of the outer side wall of the open end of the lock case.
In some embodiments of the present invention, the lock cylinder is a square solid structure, one half of the circular through grooves are respectively disposed at opposite ends of the two half lock cylinders, and the tooth grooves are disposed on inner side walls of the circular through grooves.
In some embodiments of the present invention, the outer side walls of the two half lock cylinders are respectively provided with two sliding grooves, the sliding grooves and the knobs are opposite to each other, the sliding grooves of the two half lock cylinders are opposite to each other, and the opposite ends are respectively provided with openings.
In some embodiments of the present invention, the end side walls of the two half lock cylinders are respectively provided with a plurality of slots. Two are preferably provided.
In some embodiments of the invention, the lock housing cover plate is provided with a number of loop bars which fit into the insertion slots.
In some embodiments of the present invention, the spring device further comprises a plurality of springs, and the springs are respectively sleeved on the plurality of loop bars and are fittingly inserted into the slots.
In some embodiments of the invention, cover plate threaded holes corresponding to the lock shell threaded holes are respectively arranged at four corners of the lock shell cover plate.
In a second aspect, the assembled shear wall lock meshing connection device is applied to assembled construction of a shear wall.
In a third aspect, the use method of the assembly type shear wall lock meshing connection device in the assembly type construction of the shear wall comprises the following specific steps:
the adjacent shear walls are provided with corresponding concave-convex grooves, the groove of each shear wall is connected with a steel connecting rod, the end part of each steel connecting rod extends out of the groove, and a lock is preset at the position of the shear wall corresponding to the concave groove and corresponds to the position of the steel connecting rod of the adjacent shear wall;
assembling the lockset, the lock shell and the lock shell cover plate, wherein the lock shell opening of the lock shell is opposite to the steel connecting rod;
and adjacent shear walls are spliced, and the steel connecting rods corresponding to the grooves are inserted into the assembled shear wall lock meshing connecting devices corresponding to the convex grooves.
As shown in fig. 1, the upper and lower shear walls 1 are connected in a zigzag manner in the connection manner between the adjacent upper and lower shear walls 1, grooves and grooves are respectively formed in the opposite positions, and two locks are embedded in each groove.
As shown in fig. 2, the assembled shear wall lock engaging connection device is arranged in the structure of each convex groove, and two steel connecting rods 2 are correspondingly arranged at the positions of the concave grooves. The steel connecting rod 2 is inserted into the lock in the convex groove, and the position of the convex groove corresponding to the lock shell opening 11 of the lock is provided with an opening.
Referring to fig. 3, which is a general block diagram of the assembled shear wall lock after the snap-fit connection is made, the lock housing opening 311 can be seen. The lock 3 comprises a lock housing and a lock cylinder, the end of the lock housing 31 being closed by a lock housing cover 34.
The structure of the lock housing 31 can be seen as shown in figure 4. The lock shell 31 is a cavity structure with two open ends, the top of the lock shell 31 is provided with a lock shell opening 311, and the adjacent shear walls 1 are inserted into the lock shell 31 from the lock shell opening 311 of the lock shell as shown in fig. 2. The lock shell 31 firstly provides a place for fixing the steel connecting rod, secondly the lock shell 31 provides the whole assembly type shear wall lock meshing connecting device and the shear wall connection function, and finally the lock shell 31 plays a role in fixing the lock cylinder.
As shown in fig. 5, the structure of the lock cylinder 32 can be seen, and the lock cylinder 32 is composed of two half-lock cylinders with symmetrical structures, and the lock cylinder 32 is detachably connected with the lock shell 31. After the lock core 32 enters the lock shell 31, the through groove formed by the involution of the two half lock cores fastens the steel connecting rod, and the steel connecting rod is prevented from shaking.
As shown in fig. 3 or fig. 6, the structure of the lock case cover plate 34 can be seen, the lock case cover plate 34 covers the open positions at both ends of the lock case 31, and after the lock core 32 enters the cavity of the lock case 31, the lock case cover plate 34 seals the lock case 31, so as to fix the lock core 32.
Therefore, it can be seen that the interaction of the lock shell 31, the lock core 32 and the lock shell cover plate 34 can play a role of connecting the upper shear wall and the lower shear wall. And steel connecting rods 2 or an assembled shear wall lock meshing connecting device are respectively arranged in the upper shear wall and the lower shear wall. The connection of the upper shear wall and the lower shear wall can be directly realized. Compared with a splicing connection mode, the connection mode can improve the connection integrity and reliability. Compared with a mode of adopting bolt alignment connection, the construction effect can be improved, and the steel connecting rod 2 is prefabricated in the shear wall. During splicing, the connection can be completed only by closing and then sealing the lock shell by utilizing the lock shell cover plate. The connection efficiency is high. And the lock has higher connection strength, the lockset is preset in the shear wall, and the steel connecting rod is fastened through the lock core and the lock shell cover plate, so that the upper shear wall and the lower shear wall can be integrated.
As shown in fig. 4, the lock case 31 has a square structure, the lock case opening 311 has a circular shape, and the lock case opening 311 is matched with the shape of the steel connecting rod 2. The square lock shell 31 can be matched with the shape of the lock core 32 conveniently.
As shown in fig. 4, a plurality of knobs 312 are respectively disposed on two opposite inner sidewalls of the lock case 31, the knobs 312 on the two inner sidewalls are disposed opposite to each other, and the knobs 312 are disposed on the inner sidewalls adjacent to the sidewalls of the opening 311 of the lock case. Preferably, four knobs 312 are provided on each inner sidewall in a rectangular arrangement.
The convex button can be connected with the sliding groove on the lock cylinder in a matched mode, the lock cylinder can only slide in one direction after being connected in a matched mode, the lock cylinder is prevented from moving up and down, and the connection reliability is improved.
As shown in fig. 4, lock case screw holes 313 are provided at four corners of an outer side wall of the open end of the lock case 31.
As shown in fig. 5, the lock core 32 is a square solid structure, one end of each of the two half lock cores opposite to each other is provided with a half circular through groove, and the inner side wall of each circular through groove is provided with a tooth groove 321.
As shown in fig. 7, the outer side wall of the steel connecting rod 2 is provided with a tooth socket, and the steel connecting rod 2 is engaged with the circular through groove.
After steel connecting rod 2 inserted circular logical groove, be connected with the block of tooth's socket 321, so steel connecting rod 2 is difficult to dial out from circular logical groove, has improved joint strength, and lock shell apron 34 is to its restraint on the horizontal in addition, so strengthened the joint strength of steel connecting rod 2 and tool to lock.
As shown in fig. 5, the outer side walls of the two half lock cylinders are respectively provided with two sliding grooves 322, the positions of the sliding grooves 322 and the convex buttons 312 are opposite, the sliding grooves of the two half lock cylinders are opposite, and the opposite ends are respectively provided with openings.
The sliding groove 322 arranged on the lock core 32 is matched and connected with the convex button 312 arranged on the lock shell, and the convex button 312 slides into the sliding groove 322 from the opening of the sliding groove 322 in the process of putting the half lock core into the lock shell, so that the lock core 312 is limited by the convex button to move up and down, and the connection strength of two adjacent shear walls 1 is improved.
As shown in fig. 5, a plurality of slots 323 are respectively disposed on the side walls of the end portions of the two half lock cylinders. Two are preferably provided. The cover plate 34 of the lock case is provided with a plurality of loop bars 341, and the loop bars 341 are inserted into the insertion grooves 323 in a matching way.
In the process of closing the lock shell 31 by the lock shell cover plate 34, the loop bar 341 is inserted into the insertion slot 323, and the loop bar 341 abuts against the insertion slot 323, so that the transverse stability between the two half lock cylinders is improved.
As shown in fig. 6, a plurality of springs 33 are further included, and the plurality of springs 33 are respectively sleeved on the plurality of rods 341 and are fittingly inserted into the slots 323. The spring 33 acts as a buffer. In the process that the steel connecting rod 2 is inserted into the circular through groove of the lock core, when each section of tooth groove of the steel connecting rod 2 and each section of tooth groove 321 of the circular through groove are meshed with each other, the lock core 32 rebounds inwards under the action of the spring 33, and when the steel connecting rod 2 is completely inserted into the lock 3, the lock core 2 completely locks the steel connecting rod 2 under the action of the spring 33.
Under the action of the spring 33, the steel connecting rod 2 and the tooth socket 321 of the circular through groove can be more favorably connected with each other. After the end parts of the steel connecting rods 2 completely enter the circular through grooves, the connecting force of two adjacent shear walls 1 in the longitudinal direction is improved under the action of the tooth grooves.
The use method of the assembled shear wall lock meshing connection device in the assembled construction of the shear wall comprises the following specific steps:
firstly, two lock cylinders 32 are sequentially installed in a lock shell 31 through a sliding groove 322, then a spring 33 is sleeved in a loop bar 341 on a lock shell cover plate 34, then the loop bar 341 is installed in a slot 323 on the lock cylinders 32, cover plate threaded holes 342 on the two lock shell cover plates 34 are aligned with lock shell threaded holes 313 on two ends of the lock shell 31 respectively, and then connecting screws 35 are sequentially screwed in. The equipment of tool to lock 3 is whole to be accomplished so far, bury tool to lock 3 in prefabricated shear wall is inside 1, 2 ends of steel connecting rod with the tooth's socket aim at the circular opening 311 of lock shell surface, slowly insert connecting rod 2 in lock shell opening 311, because tooth's socket on 2 ends of steel connecting rod interacts with tooth's socket 321 on the lock core 32, lock core 32 slides outside to both sides through spout 322, 2 ends of steel connecting rod can get into the inside of tool to lock 3, when 2 ends of steel connecting rod each section gear and tooth's socket 321 intermeshing, lock core 2 is inwards kick-backed under the effect of spring 33 all the time, when treating that 2 ends of steel connecting rod are whole to be inserted in tool to lock 3, lock core 2 pins 2 ends of steel connecting rod completely because of under the effect of spring 33, the connection process is whole to accomplish so far.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides an assembled shear force wall tool to lock interlock connecting device which characterized in that: the method comprises the following steps:
the lock comprises a lock body, a lock shell and a lock core, wherein the lock shell is of a cavity structure with openings at two ends, the top of the lock shell is provided with a lock shell opening, the lock core is provided with two symmetrical half lock core structures, the lock core is detachably arranged in the cavity structure of the lock shell, one ends, opposite to the two half lock cores, are combined to form a structure with a through groove, and the through groove is opposite to the lock shell opening;
the lock shell cover plate covers openings at two ends of the lock shell and is connected with the lock shell;
the lock cylinders are of a square solid structure, one ends of the two half lock cylinders opposite to each other are respectively provided with a half circular through groove, and the inner side walls of the circular through grooves are provided with tooth grooves;
the side walls of the end parts of the two half lock cylinders are respectively provided with a plurality of slots;
the cover plate of the lock shell is provided with a plurality of loop bars which are inserted into the slots in a matching way;
the spring is sleeved on the sleeve rods and is inserted into the slot in a matched mode.
2. The fabricated shear wall lock snap-in connection of claim 1, wherein: the lock shell is square and has a round opening.
3. The fabricated shear wall lock snap-in connection of claim 1, wherein: two relative inside walls of the lock shell are respectively provided with a plurality of convex buttons, the convex buttons of the two inside walls are arranged oppositely, and the convex buttons are arranged on the inside walls adjacent to the side wall of the opening of the lock shell.
4. The fabricated shear wall lock snap-in connection of claim 3, wherein: four convex buttons are arranged on each inner side wall and are arranged in a rectangular shape.
5. The fabricated shear wall lock snap-in connection of claim 1, wherein: the four corners of the outer side wall of the opening end of the lock shell are respectively provided with a lock shell threaded hole.
6. The fabricated shear wall lock snap-in connection of claim 3, wherein: the outer side walls of the two half lock cylinders are respectively provided with two sliding grooves, the positions of the sliding grooves and the positions of the convex buttons are opposite, the sliding grooves of the two half lock cylinders are opposite, and the opposite ends are respectively provided with an opening.
7. The fabricated shear wall lock snap-in connection of claim 1, wherein: the side walls of the end parts of the two half lock cylinders are respectively provided with two slots.
8. The fabricated shear wall lock snap-in connection of claim 5, wherein: cover plate threaded holes corresponding to the lock shell threaded holes are formed in the four corners of the lock shell cover plate respectively.
9. The use method of the assembled shear wall lock meshing connection device of any one of claims 1 to 8 in assembled construction of a shear wall is characterized in that: the method comprises the following specific steps:
the adjacent shear walls are provided with corresponding concave-convex grooves, the groove of each shear wall is connected with a steel connecting rod, the end part of each steel connecting rod extends out of the groove, and a lock is preset at the position of the shear wall corresponding to the concave groove and corresponds to the position of the steel connecting rod of the adjacent shear wall;
assembling the lockset, the lock shell and the lock shell cover plate, wherein the lock shell opening of the lock shell is opposite to the steel connecting rod;
and adjacent shear walls are spliced, and the steel connecting rods corresponding to the grooves are inserted into the assembled shear wall lock meshing connecting devices of the corresponding convex grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010915549.9A CN111980292B (en) | 2020-09-03 | 2020-09-03 | Assembly type shear wall lock meshing connection device and application and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010915549.9A CN111980292B (en) | 2020-09-03 | 2020-09-03 | Assembly type shear wall lock meshing connection device and application and use method thereof |
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| CN111980292A CN111980292A (en) | 2020-11-24 |
| CN111980292B true CN111980292B (en) | 2022-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010915549.9A Active CN111980292B (en) | 2020-09-03 | 2020-09-03 | Assembly type shear wall lock meshing connection device and application and use method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115233833B (en) * | 2022-08-17 | 2024-02-06 | 山西省安装集团股份有限公司 | Sleeve-free connecting structure of assembled shear wall |
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| CN108222310A (en) * | 2017-12-22 | 2018-06-29 | 广州地铁设计研究院有限公司 | A kind of connection component and fabricated shear wall for fabricated shear wall |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203113556U (en) * | 2013-03-08 | 2013-08-07 | 郑州大学 | Fabricated concrete shear wall |
| CN103225357A (en) * | 2013-04-09 | 2013-07-31 | 浙江海天建设集团有限公司 | Technology for connecting upper partition board and lower partition board |
| CN104878854A (en) * | 2015-04-14 | 2015-09-02 | 华南理工大学建筑设计研究院 | Prefabricated shear wall horizontal abutted seam buckle welding built-up connection device |
| CN206681272U (en) * | 2017-04-06 | 2017-11-28 | 苗兰弟 | A kind of bar connecting mechanism |
| CN206784662U (en) * | 2017-05-15 | 2017-12-22 | 浙江中屹建设集团有限公司 | A kind of assembled non-load bearing wall |
| CN107299699A (en) * | 2017-06-26 | 2017-10-27 | 东南大学 | Assembled cavity shear wall horizontal joint Alveolus type dry type attachment structure |
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| CN111980292A (en) | 2020-11-24 |
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