CN207453123U - Wallboard and beam connection component and walling system - Google Patents
Wallboard and beam connection component and walling system Download PDFInfo
- Publication number
- CN207453123U CN207453123U CN201721613506.5U CN201721613506U CN207453123U CN 207453123 U CN207453123 U CN 207453123U CN 201721613506 U CN201721613506 U CN 201721613506U CN 207453123 U CN207453123 U CN 207453123U
- Authority
- CN
- China
- Prior art keywords
- bolt
- mounting portion
- prefabricated panel
- connection component
- wallboard
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model is related to the mounting technology field of wall body structure, more particularly to a kind of wallboard and beam connection component and walling system.The wallboard includes with beam connection component:Precast beam and prefabricated panel;Top bolt mounting portion is provided at the top of prefabricated panel;Top bolt mounting portion includes top mounting holes and the top prepared screw-bolt hole being arranged on top mounting holes side wall;Thread embedded parts are provided on the side wall of precast beam one end;Top prepared screw-bolt hole coordinates prefabricated panel being fixedly connected with precast beam with thread embedded parts by bolt.It can will be fixedly connected in the pre-buried screw element that bolt is mounted on the top prepared screw-bolt hole and precast beam on prefabricated panel by user between precast beam and prefabricated panel, the mode that this dry type bolt machinery is fastenedly connected, based on board member, component is convenient for fractionation, design is simple, simple almost without wet construction, construction technology suitable for the structural system of assembled architecture, construction efficiency is high.
Description
Technical field
The utility model is related to the mounting technology field of wall body structure, more particularly to a kind of wallboard and beam connection component and wall
System is united.
Background technology
With the continuous growth of housing need, more universal, those skilled in the art's generally use is built in house in building field
Wet connection mode will be attached fixation between wallboard and beam.But this kind of connection mode needs user scene to set up reinforcing bar
And pour and etc., elapsed time is longer.
Utility model content
The purpose of this utility model is to provide a kind of wallboard and beam connection component and walling system, to solve the prior art
In wallboard and beam be connected for wet type, it is complicated for operation, the technical issues of low construction efficiency.
The utility model provides a kind of wallboard and beam connection component, which includes with beam connection component:Precast beam and pre-
Wallboard processed;Top bolt mounting portion is provided at the top of the prefabricated panel;The top bolt mounting portion is installed including top
Hole and the top prepared screw-bolt hole being arranged on the top mounting holes side wall;It is provided on the side wall of described precast beam one end
Thread embedded parts;The top prepared screw-bolt hole and the thread embedded parts are coordinated by bolt with by the prefabricated panel and institute
Precast beam is stated to be fixedly connected.
Further, the pre-buried screw element is embedded nut.
Further, the top bolt mounting portion and the pre-buried screw element are multiple;Multiple top bolts
Mounting portion and multiple pre-buried screw elements are from top to bottom arranged at intervals successively respectively;Multiple pre-buried screw elements and multiple institutes
It states top bolt mounting portion and corresponds setting.
Further, the side of the prefabricated panel is provided with side bolt mounting portion.
Further, the bottom of the prefabricated panel is provided with bottom bolts mounting portion.
Further, the bottom bolts mounting portion includes bottom mounting apertures and bottom prepared screw-bolt hole;The bottom peace
Dress hole is arranged on the edge of the prefabricated panel bottom, and the bottom prepared screw-bolt hole is arranged on the bottom mounting apertures
On bottom wall.
Further, the bottom bolts mounting portion is pre-buried screw element.
Further, the side bolt mounting portion is multiple;Multiple side bolt mounting portions are from top to bottom successively
It is arranged at intervals.
Further, the bottom bolts mounting portion is multiple;Multiple bottom bolts mounting portions are along the dry wall
The base of plate is arranged at intervals successively.
Further, the utility model also provides a kind of walling system, which includes basis and this practicality is new
Wallboard and beam connection component described in type.
Wallboard provided by the utility model includes precast beam and prefabricated panel with beam connection component, is set at the top of prefabricated panel
Top mounting holes and top prepared screw-bolt hole are put, built-in fitting is threaded on the side wall of precast beam one end.User pacifies bolt
In top prepared screw-bolt hole and pre-buried screw element, so as to which precast beam be fixedly connected with prefabricated panel.
Wallboard provided by the utility model and beam connection component, the top that bolt is mounted on prefabricated panel by user are pre-
Staying in the pre-buried screw element on bolt hole and precast beam can will be fixedly connected between precast beam and prefabricated panel, this dry type spiral shell
The mode of bolt mechanical fasteners connection, structural system reasonable stress, based on board member, for component convenient for splitting, design is simple, is applicable in
In the structural system of assembled architecture, convenient for the production, storage and transport of prefabricated components, it is suitble to production line production, reduces production
Transportation cost.Meanwhile bolt full-dry method connects, simple almost without wet construction, construction technology, construction efficiency is high.
Description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The schematic description and description of type does not form the improper restriction to the utility model for explaining the utility model.
In attached drawing:
Fig. 1 is the structure diagram of the wallboard according to the utility model embodiment and beam connection component;
Fig. 2 is the partial structural diagram according to the prefabricated panel of the utility model embodiment;
Fig. 3 is another partial structural diagram according to the prefabricated panel of the utility model embodiment;
Fig. 4 is the partial structural diagram according to the basis of the utility model embodiment.
In figure:
1- prefabricated panels;2- top bolt mounting portions;3- precast beams;
The pre-buried screw elements of 4-;5- sides bolt mounting portion;6- bottom bolts mounting portions;
7- bases;8- the first bolt mounting portions;9- the second bolt mounting portions;
21- top mounting holes;Prepared screw-bolt hole at the top of 22-;61- bottom mounting apertures;
62- bottoms prepared screw-bolt hole;71- first foundations;The second bases of 72-.
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the utility model can
To be mutually combined.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in the description of the utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection;Can be mechanical connection or electrical connection;It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
Fig. 1 is the structure diagram of the wallboard according to the utility model embodiment and beam connection component;As shown in Figure 1, this
Utility model embodiment provides a kind of wallboard and beam connection component, which includes with beam connection component:Precast beam 3 and dry wall
Plate 1;The top of prefabricated panel 1 is provided with top bolt mounting portion 2;Top bolt mounting portion 2 include top mounting holes 21 and
The top prepared screw-bolt hole 22 being arranged on 21 side wall of top mounting holes;It is pre-buried that screw thread is provided on the side wall of 3 one end of precast beam
Part;Top prepared screw-bolt hole 22 coordinates prefabricated panel 1 being fixedly connected with precast beam 3 with thread embedded parts by bolt.
The wallboard that the utility model embodiment provides includes precast beam 3 and prefabricated panel 1, prefabricated panel with beam connection component
1 top sets top mounting holes 21 and top prepared screw-bolt hole 22, and built-in fitting is threaded on the side wall of 3 one end of precast beam.
Bolt is mounted in top prepared screw-bolt hole 22 and pre-buried screw element 4 by user, so as to which precast beam 3 and prefabricated panel 1 be consolidated
Fixed connection.
Bolt is mounted on prefabricated panel 1 by the wallboard that the utility model embodiment provides and beam connection component, user
Top prepared screw-bolt hole 22 and precast beam 3 on pre-buried screw element 4 in can will be fixed between precast beam 3 and prefabricated panel 1
Connection, the mode that this dry type bolt machinery is fastenedly connected, structural system reasonable stress, based on board member, component is convenient for tearing open
Point, design is simple, suitable for the structural system of assembled architecture, convenient for the production, storage and transport of prefabricated components, is suitble to production
Line produces, and reduces production and transport cost.Meanwhile bolt full-dry method connects, construction simple almost without wet construction, construction technology
It is efficient.
Wherein, pre-buried screw element 4 can be embedded nut or pre-buried screw shell.
On the basis of above-described embodiment further, pre-buried screw element 4 is embedded nut.
In the present embodiment, the pre-buried screw element 4 on precast beam 3 is embedded nut, and bolt is passed through prefabricated panel 1 by user
On top prepared screw-bolt hole 22 and precast beam 3 on 4 thread fitting of pre-buried screw element, so as to by prefabricated panel 1 and precast beam 3
It is fixedly connected.
In the present embodiment, pre-buried screw element 4 is arranged to embedded nut, it is simple in structure, convenient for users to processing and fabricating.
As shown in Figure 1, top bolt mounting portion 2 is equal with pre-buried screw element 4 on the basis of above-described embodiment further
To be multiple;Multiple top bolt mounting portions 2 and multiple pre-buried screw elements 4 are from top to bottom arranged at intervals successively respectively;It is multiple pre-buried
Screw element 4 is corresponded with multiple top bolt mounting portions 2 and set.
In the present embodiment, the top bolt mounting portion 2 on prefabricated panel 1 and the pre-buried screw element 4 on precast beam 3 are all provided with
Be set to multiple, multiple top bolt mounting portions 2 connect one to one respectively with multiple pre-buried screw elements 4, so as to by precast beam 3 with
Prefabricated panel 1 is bolted to connection.
In the present embodiment, the setting of multiple top bolt mounting portions 2 and multiple built-in fittings add prefabricated panel 1 with it is prefabricated
The tie point of beam 3, so as to improve the bonding strength of prefabricated panel 1 and precast beam 3.
Fig. 2 is the partial structural diagram according to the prefabricated panel of the utility model embodiment;Fig. 3 is new according to this practicality
Another partial structural diagram of the prefabricated panel of type embodiment;As shown in Figures 2 and 3, on the basis of above-described embodiment into
One step, the side of prefabricated panel 1 is provided with side bolt mounting portion 5.
In the present embodiment, side bolt mounting portion 5 is set in the side of prefabricated panel 1, user can be by two dry walls
Plate 1 is disposed adjacent, and is fixedly connected with the side bolt mounting portion 5 on two adjacent prefabricated panels 1 by bolt, so as to by two
A contiguous prefabricated wallboard 1 is fixedly connected.
In the present embodiment, side bolt mounting portion 5 is set in the side of prefabricated panel 1, it so can be by two prefabricated panels 1
Between be fixedly connected also by bolt, further improve the installation effectiveness of wallboard.
Wherein, side bolt mounting portion 5 can include mounting hole and prepared screw-bolt hole, and mounting hole is arranged on prefabricated panel 1
Side edge, prepared screw-bolt hole is arranged on mounting hole on the side wall at 1 edge of prefabricated panel.Side bolt mounting portion
5 can also be pre-buried screw element 4.
As shown in Figures 2 and 3, on the basis of above-described embodiment further, the bottom of prefabricated panel 1 is provided with bottom
Bolt mounting portion 6.
In the present embodiment, the bottom of prefabricated panel 1 is provided with bottom bolts mounting portion 6, and user can be by bolt and bottom
Basis 7 bolt mounting portion connection on bolt mounting portion 6 and basis 7, so as to which basis 7 be fixedly connected with prefabricated panel 1.
In the present embodiment, the setting of bottom bolts mounting portion 6 can be achieved between prefabricated panel 1 and basis 7 through bolt reality
It is now fixedly connected, bonding strength is high, and step is few, facilitates processing and fabricating.
Wherein, bottom bolts mounting portion 6 can be the structure type of mounting hole and prepared screw-bolt hole, or pre-buried spiral shell
The structure type of line part 4.
As shown in Fig. 2, bottom bolts mounting portion 6 includes bottom mounting apertures on the basis of above-described embodiment further
61 and bottom prepared screw-bolt hole 62;Bottom mounting apertures 61 are arranged on the edge of 1 bottom of prefabricated panel, and bottom prepared screw-bolt hole
62 are arranged on the bottom wall of bottom mounting apertures 61.
In the present embodiment, bottom bolts mounting portion 6 includes bottom mounting apertures 61 and bottom prepared screw-bolt hole 62, and user will
Then hand placement pacifies bolt through bottom prepared screw-bolt hole 62 and 7 bolt of basis on basis 7 in bottom mounting apertures 61
Dress portion, so as to which basis 7 be fixedly connected with prefabricated panel 1.
In the present embodiment, bottom bolts mounting portion 6 is arranged to the shape of bottom mounting apertures 61 and bottom prepared screw-bolt hole 62
Formula, it is simple in structure, convenient for users to installation.Meanwhile bottom mounting apertures 61 set can convenient for users to hand operated.
On the basis of above-described embodiment further, bottom bolts mounting portion 6 is pre-buried screw element 4.
In the present embodiment, bottom bolts mounting portion 6 is arranged to pre-buried screw element 4, user can will bolt on basis 7
Basic 7 bolt mounting portions are fixedly connected with the pre-buried screw element 4 of bottom bolts mounting portion 6, so as to by basis 7 and prefabricated panel 1
It is fixedly connected.
In the present embodiment, bottom bolts mounting portion 6 is arranged to the form of pre-buried screw element 4, simple in structure, easy to use
Person assembles.
As shown in Figures 2 and 3, on the basis of above-described embodiment further, side bolt mounting portion 5 is multiple;It is more
A side bolt mounting portion 5 is from top to bottom arranged at intervals successively.
In the present embodiment, side bolt mounting portion 5 is multiple, and multiple side bolt mounting portions 5 are from top to bottom spaced successively
It sets.User connects one to one multiple side bolt mounting portions 5 on two horizontally adjacent prefabricated panels 1, so as to
Two horizontally adjacent prefabricated panels 1 are fixedly connected.
In the present embodiment, side bolt mounting portion 5 is arranged to multiple, the connection of two neighboring prefabricated panel 1 can be increased
Point improves the bonding strength of two prefabricated panels 1.
On the basis of above-described embodiment, further, further, bottom bolts mounting portion 6 is multiple;Multiple bottoms
Bolt mounting portion 6 is arranged at intervals successively along the base of prefabricated panel 1.
On the basis of above-described embodiment, further, the utility model embodiment also provides a kind of floor connection component,
The floor connection component includes precast floor slab and wallboard provided by the utility model and beam connection component;Precast floor slab is arranged on
The upper surface of precast beam 3;Precast floor slab is fixedly connected with prefabricated panel 1.
Further, on precast floor slab set floor bolt mounting portion, by bolt by floor bolt mounting portion with it is prefabricated
Wallboard 1 is bolted, so as to fulfill being fixedly connected between precast floor slab and prefabricated panel 1.
The utility model embodiment provides a kind of floor connection component, and user is by bolt by precast beam 3 and dry wall
Plate 1 is fixedly connected, and precast floor slab is placed on to the top of precast beam 3, and precast floor slab is fixedly connected with prefabricated panel 1.
On the basis of above-described embodiment further, the utility model embodiment also provides a kind of walling system, the wall
System system includes basis 7 and wallboard provided by the utility model and beam connection component.
The utility model embodiment provides a kind of walling system, which includes basis 7 and wallboard is connected group with beam
Part, user is existing to be fixed on the bottom of prefabricated panel 1 on basis 7, then fixes the top of prefabricated panel 1 and precast beam 3,
Precast floor slab is placed on to the upper end of precast beam 3 again, precast floor slab is fixedly connected with prefabricated panel 1.
The walling system that the utility model embodiment provides, precast beam 3 are bolted to connection with prefabricated panel 1, this
The mode that kind dry type bolt machinery is fastenedly connected, structural system reasonable stress, based on board member, component is convenient for splitting, design
Simply, suitable for the structural system of assembled architecture, convenient for the production, storage and transport of prefabricated components, it is suitble to production line production,
Reduce production and transport cost.Meanwhile bolt full-dry method connects, simple without wet construction, construction technology, construction efficiency is high.
Further, anchor bolt mounting portion, anchor bolt mounting portion and the bottom of 1 bottom of prefabricated panel are set on basis 7
Portion's bolt mounting portion 6 is bolted to connection, so as to which basis 7 be fixedly connected with prefabricated panel 1.
Fig. 4 is according to the partial structural diagram on the basis of the utility model embodiment, as shown in figure 4, in above-mentioned implementation
On the basis of example further, prefabricated foundation 7 includes 71 and second basis 72 of first foundation;71 and second basis 72 of first foundation
It abuts;First foundation 71 is provided with the first bolt mounting portion 8 close to the one end on the second basis 72;Second basis 72 is close to the first base
One end of plinth 71 is provided with the second bolt mounting portion 9;First bolt mounting portion 8 is coordinated with the second bolt mounting portion 9 by bolt
First foundation 71 to be fixedly connected with the second basis 72.
In the present embodiment, prefabricated foundation 7 includes 71 and second basis 72 of first foundation, and one end of first foundation 71 is provided with
First bolt mounting portion 8, the one end on the second basis 72 are provided with the second bolt mounting portion 9.User is by the first bolt mounting portion 8
Coordinated with the second bolt mounting portion 9 by bolt first foundation 71 to be fixedly connected with the second basis 72, and cause first
Basis 71 is abutted with the second basis 72.
In the present embodiment, first foundation 71 is fixedly connected to be formed pre- with the mode that the second basis 72 is connected by screw bolts
System basis 7 facilitates the processing installation and assembling of prefabricated foundation 7, further improves efficiency of assembling.
Wherein, the first bolt mounting portion 8 and the second bolt mounting portion 9 can be pre-buried screw element 4, can also be peace
Fill the structure type of hole and prepared screw-bolt hole, can also one be pre-buried screw element 4, another is mounting hole and prepared screw-bolt hole
Form.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality
Within new spirit and principle, any modifications, equivalent replacements and improvements are made should be included in the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of wallboard and beam connection component, which is characterized in that including:Precast beam and prefabricated panel;
Top bolt mounting portion is provided at the top of the prefabricated panel;The top bolt mounting portion include top mounting holes with
And it is arranged on the top prepared screw-bolt hole on the top mounting holes side wall;It is pre-buried that screw thread is provided on the side wall of the precast beam
Part;The top prepared screw-bolt hole and the thread embedded parts are coordinated by bolt with by the prefabricated panel and the precast beam
It is fixedly connected.
2. wallboard according to claim 1 and beam connection component, which is characterized in that the pre-buried screw element is pre-buried spiral shell
It is female.
3. wallboard according to claim 1 and beam connection component, which is characterized in that the top bolt mounting portion with it is described
Pre-buried screw element is multiple;Multiple top bolt mounting portions and multiple pre-buried screw elements are distinguished from top to bottom successively
It is arranged at intervals;Multiple pre-buried screw elements are corresponded with multiple top bolt mounting portions and set.
4. wallboard according to claim 1 and beam connection component, which is characterized in that the side of the prefabricated panel is provided with
Side bolt mounting portion.
5. wallboard according to claim 1 and beam connection component, which is characterized in that the bottom of the prefabricated panel is provided with
Bottom bolts mounting portion.
6. wallboard according to claim 5 and beam connection component, which is characterized in that the bottom bolts mounting portion includes bottom
Portion's mounting hole and bottom prepared screw-bolt hole;The bottom mounting apertures are arranged on the edge of the prefabricated panel bottom, and described
Bottom prepared screw-bolt hole is arranged on the bottom wall of the bottom mounting apertures.
7. wallboard according to claim 5 and beam connection component, which is characterized in that the bottom bolts mounting portion is pre-buried
Screw element.
8. wallboard according to claim 4 and beam connection component, which is characterized in that the side bolt mounting portion is more
It is a;Multiple side bolt mounting portions are from top to bottom arranged at intervals successively.
9. wallboard according to claim 5 and beam connection component, which is characterized in that the bottom bolts mounting portion is more
It is a;Multiple bottom bolts mounting portions are arranged at intervals successively along the base of the prefabricated panel.
10. a kind of walling system, which is characterized in that including basis and such as claim 1-9 any one of them wallboard and beam
Connection component.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721613506.5U CN207453123U (en) | 2017-11-27 | 2017-11-27 | Wallboard and beam connection component and walling system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721613506.5U CN207453123U (en) | 2017-11-27 | 2017-11-27 | Wallboard and beam connection component and walling system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207453123U true CN207453123U (en) | 2018-06-05 |
Family
ID=62275228
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721613506.5U Active CN207453123U (en) | 2017-11-27 | 2017-11-27 | Wallboard and beam connection component and walling system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207453123U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113775058A (en) * | 2021-10-08 | 2021-12-10 | 福建省建融工程建设有限公司 | Prefabricated wallboard of assembled and precast beam connection structure |
CN115450327A (en) * | 2022-09-01 | 2022-12-09 | 深圳市臻道建筑科技有限公司 | Method for constructing box-type building and box-type building constructed by same |
-
2017
- 2017-11-27 CN CN201721613506.5U patent/CN207453123U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113775058A (en) * | 2021-10-08 | 2021-12-10 | 福建省建融工程建设有限公司 | Prefabricated wallboard of assembled and precast beam connection structure |
CN115450327A (en) * | 2022-09-01 | 2022-12-09 | 深圳市臻道建筑科技有限公司 | Method for constructing box-type building and box-type building constructed by same |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6277316B2 (en) | Method of forming a prefabricated wall panel | |
KR101182536B1 (en) | Prefabricated double wall precast concrete pannel having surface material, reinforcing rod according to the purpose | |
CN104179278A (en) | Hidden two-in-one dry type connection joint for prefabricated externally-hung wallboards | |
CN207453123U (en) | Wallboard and beam connection component and walling system | |
KR20150124733A (en) | Circular prefabricated structure for column, Top down method and Construction method of frame using the same | |
CN106193435A (en) | A kind of antinode central layer precast concrete assembled composite wall | |
CN205591361U (en) | High strength wallboard and floor connection structure | |
KR101663035B1 (en) | A self-assembly house building it myself using block of cube type and thereof construction method | |
CN107724542A (en) | Walling system | |
US10253511B2 (en) | Multi-flex forming system | |
CN105133602A (en) | Basement structure connected through fender posts | |
CN207453119U (en) | Wallboard and beam connection component and walling system | |
CN208379824U (en) | Prefabricated panel and wall panel assembly | |
CN110469005A (en) | For installing the fixation keel, keel of partition wall component and assemble method of wiring back box | |
CN207714619U (en) | Prefabricated panel and walling system | |
CN207597610U (en) | Wallboard and floor connection component and walling system | |
CN207812689U (en) | A kind of dry method connecting plate type structural system | |
CN110331797A (en) | A kind of detachable assembling type shear wall structure and assemble method with replaceable assembly | |
CN206591681U (en) | A kind of connecting node of precast concrete partition wall and agent structure | |
CN207453124U (en) | Walling system | |
CN205637241U (en) | Composite wall panel and mounting structure thereof | |
CN107355095A (en) | Novel all-in-one assembled pump house and its assemble method | |
CN207714516U (en) | Prefabricated panel and walling system | |
CN207436318U (en) | Basis and wallboard connecting component and walling system | |
CN209369096U (en) | Prefabricated laminated wood wall construction and log cabin structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 102200 1st floor, building 6, No.8 Beiqing Road, Huilongguan town, Changping District, Beijing Patentee after: Sany Construction Technology Co.,Ltd. Address before: 102206, Beijing Changping District Huilongguan North Road 31 Industrial Park Patentee before: SANY CONSTRUCTION TECHNOLOGY Co.,Ltd. |