CN114215187A - Convenient to use's assembled building wall connecting device - Google Patents
Convenient to use's assembled building wall connecting device Download PDFInfo
- Publication number
- CN114215187A CN114215187A CN202111583621.3A CN202111583621A CN114215187A CN 114215187 A CN114215187 A CN 114215187A CN 202111583621 A CN202111583621 A CN 202111583621A CN 114215187 A CN114215187 A CN 114215187A
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- China
- Prior art keywords
- pushing
- tables
- sliding
- fixed
- extension
- 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.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
Images
Classifications
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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
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
- E04B1/34321—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts mainly constituted by panels
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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
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/344—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts
- E04B1/3448—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts with rotating shell-forming segments
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
- E04B2/82—Removable non-load-bearing partitions; Partitions with a free upper edge characterised by the manner in which edges are connected to the building; Means therefor; Special details of easily-removable partitions as far as related to the connection with other parts of the building
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the field of construction tools, in particular to an assembly type building wall connecting device convenient to use, which comprises an extension driving gear shaft, two extension processing tables, two corner tables, two pushing tables and a plurality of sliding bolt seats, wherein two ends of the extension driving gear shaft are respectively meshed with the two extension processing tables for extension connection in a transmission manner, the two extension processing tables are respectively rotatably connected with the two corner tables for angle adjustment, the two corner tables are respectively and transversely slid to be connected with the two pushing tables for pushing, and the pushing tables are longitudinally and slidably connected with the plurality of sliding bolt seats of a wall body. The extension driving gear shaft rotates in a central fixed platform for fixing the center, two pull rings are fixed at the upper end of the central fixed platform, and the lower end of the central fixed platform is fixed through foundation bolts; the invention has the beneficial effect that the two staggered wall bodies with angle deviation can be connected.
Description
Technical Field
The invention relates to the field of construction tools, in particular to an assembly type building wall connecting device convenient to use.
Background
When the method is used for the construction process of a building, temporary equipment is usually needed to connect and fix two walls, and then the temporary fixing application is packaged, so that the assembly and disassembly are convenient; the state office discloses a convenient to use's assembled building wall connecting device. Including first wallboard and second wallboard, the right side of first wallboard is first dentate structure, second wallboard left side be with first wallboard matched with second dentate structure, first wallboard and second wallboard cooperate through first dentate structure and second dentate structure, it has the same, top-down's through-hole to open respectively on first dentate structure and the second dentate structure vertical plane, through-hole on the first dentate structure and the through-hole on the second dentate structure mutually support, be fixed with matched with locating part in the through-hole. Through the cooperation of dentate structure and through-hole, completion that can be simple is dismantled and installation work, labour saving and time saving, convenient and fast. But the device cannot engage two walls that are staggered and angularly offset.
Disclosure of Invention
The invention aims to provide an assembly type building wall connecting device which is convenient to use and has the beneficial effect that two staggered wall bodies with angle deviation can be connected.
The purpose of the invention is realized by the following technical scheme:
the invention aims to provide an assembly type building wall connecting device convenient to use, which comprises an extension driving gear shaft, two extension processing tables, two corner tables, two pushing tables and a plurality of sliding bolt seats, wherein two ends of the extension driving gear shaft are respectively meshed with the two extension processing tables for extension connection in a transmission mode, the two extension processing tables are respectively rotatably connected with the two corner tables for angle adjustment, the two corner tables are respectively connected with the two pushing tables for pushing in a transverse sliding mode, and the pushing tables are longitudinally connected with the plurality of sliding bolt seats of a wall body in a sliding mode.
The extension driving gear shaft rotates in a center fixing table for fixing the center, two pull rings are fixed at the upper end of the center fixing table, the lower end of the center fixing table is fixed through a foundation bolt, and two limiting sliding grooves are formed in two ends of the center fixing table respectively.
The extension processing table is fixed with a limiting sliding rack, the extension processing table slides in a limiting sliding groove of the central fixing table through the limiting sliding rack and is meshed with the transmission extension driving gear shaft, and an angle rotating groove convenient for angle adjustment is formed in the outer end of the extension processing table.
The corner table comprises a hand rotation angle rotating shaft, an angle rotating frame and a pushing chute, the hand rotation angle rotating shaft is fixed on a boss of the angle rotating frame and rotates in an angle rotating groove of the extending processing table, and the pushing chute is arranged on the angle rotating frame.
The central fixing table is fixed through foundation bolts through the central fixing table between the two walls, the fixed extension driving gear shaft is driven to rotate through hand rotation, the two extension processing tables are extended respectively to reach the designated positions of the threaded connecting seats on the walls, angle adjustment is carried out through the two corner tables according to the included angle or staggered relation between the two walls, the two pushing tables are driven to be attached to the threaded connecting seats to be determined to be horizontal at the same time, and then the threaded connecting seats are connected through a plurality of sliding bolt seats to be connected and fixed; and then the two staggered walls with angular deviation are jointed and fixed.
Drawings
FIG. 1 is a first schematic diagram of an extension drive according to the present invention;
FIG. 2 is a schematic view of the construction of the center mount of the present invention;
FIG. 3 is a second schematic view of the extension drive of the present invention;
FIG. 4 is a first schematic view of the structure of the stretch station of the present invention;
FIG. 5 is a second schematic view of the structure of the stretch station of the present invention;
FIG. 6 is a schematic structural view of the corner platform of the present invention;
FIG. 7 is a schematic structural view of the corner stand of the present invention;
FIG. 8 is a schematic view of the construction of the slide bolt seat of the present invention;
FIG. 9 is a schematic view of the construction of the wall of the present invention;
FIG. 10 is a first general structural view of the present invention;
fig. 11 is a second overall configuration diagram of the present invention.
In the figure: an extension drive gear shaft 1; an extension processing table 2; a corner table 3; a propulsion stage 4; a plurality of slide bolt seats 5; a central fixed table 6; a limiting chute 7; an angle turning groove 9; a limiting sliding rack 10; a hand-rotation angle rotating shaft 11; an angle rotating frame 12; a propulsion chute 13; a pusher screw 14; a fixed turret table 15; a thread slip 16; a longitudinal slide 17; locking the connecting bolt 18; a threaded connection seat 19; a wall 20.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in the embodiments illustrated herein,
the center fixing table 6 is fixed through a foundation bolt through the center fixing table 6 between two walls, then the fixed extension driving gear shaft 1 is driven to rotate through hand rotation, then the two extension processing tables 2 are respectively extended to reach the appointed positions of the threaded connecting seats 19 on the walls 20, angle adjustment is carried out through the two corner tables 3 according to the included angle or staggered relation between the two walls 20, and after the two pushing tables 4 are driven to be attached to the threaded connecting seats 19 to be determined to be horizontal, the threaded connecting seats 19 are connected through the plurality of sliding bolt seats 5 to be connected and fixed; thereby realizing the connection and fixation of the two staggered and angular offset walls 20
Further optimization in conjunction with the above examples:
further working process of an example of the assembled construction wall connecting device for convenient use shown in fig. 1, 2, 3 and 10 is as follows:
the central fixing table 6 is fixed by the anchor bolts at the middle position by determining the distance between the two walls 20, and then the two extension processing tables 2 are driven to slide and extend on the central fixing table 6 to the corresponding positions by rotating the extension driving gear shaft 1.
Further optimization in conjunction with the above examples:
further working processes according to an example of the assembled construction wall connecting device of fig. 3, 4, 5 and 6, which is convenient to use, are:
the gear shaft 1 is driven through rotary extension, and then two limiting sliding rack bars 10 are driven in opposite directions in a limiting sliding groove 7 of a central fixing table 6 through a gear, so that an extension processing table 2 reaches a designated position for connection and fixation.
Further optimization in conjunction with the above examples:
further working processes according to an example of a convenient assembly type building wall connecting device shown in fig. 6, 7, 10 and 11 are as follows:
through the rotation of the hand-operated driving hand-operated angle rotating shaft 11, and then the angle deviation occurs in the angle rotating groove 9 by the driving angle rotating frame 12, and then the rotation of the angle is realized, after the angle position is determined, the hand-operated angle rotating shaft 11 is fixed through a thread tip, and the transverse sliding propulsion platform 4 is pushed in the propulsion sliding groove 13 and is used for facilitating better connection when the side is horizontal.
Further optimization in conjunction with the above examples:
further, the pushing platform 4 slides transversely in a pushing chute 13 of the corner platform 3, the pushing platform 4 is connected with a pushing screw 14 for pushing through a threaded seat in a threaded fit mode, and the pushing screw 14 rotates in a fixed rotating shaft platform 15 fixed on the angle rotating frame 12. The operation of this section according to an example of a convenient-to-use prefabricated building wall connecting device shown in figures 6, 7, 10 and 11 is: after the angle is determined, the pushing screw 14 is rotated, the pushing table 4 is enabled to move outwards in the pushing chute 13 through thread matching, the pushing table 4 is enabled to be attached to a threaded connecting seat 19 to be connected to observe the lateral level, the fixed connection deviation is prevented, the pushing table is continuously connected after the horizontal level, and the angle or the extending position is continuously adjusted until the pushing table is horizontal if the pushing table is not horizontal.
Further optimization in conjunction with the above examples:
the sliding bolt seat 5 further comprises a threaded sliding table 16, a longitudinal sliding block 17 and a locking connecting bolt 18, the outer end of the threaded sliding table 16 is fixed with the longitudinal sliding block 17, and the threaded sliding table 16 longitudinally slides in the propelling table 4 through the longitudinal sliding block 17; the lock connection bolt 18 is connected to the threaded slide 16 by a screw-fit. This part of the operation according to an example of a conveniently used prefabricated building wall connecting device shown in fig. 9, 10 and 11 is: after having surveyed the level through propulsion platform 4, lift longitudinal sliding's screw thread slip table 16 in propulsion platform 4, aim at the screw hole on the threaded connection seat 19, connect in threaded connection seat 19 through rotatory locking connecting bolt 18 screw-thread fit, accomplish to link up and fixed, through inserting a plurality of locking connecting bolt 18 in proper order, fixed effect is better.
Further optimization in conjunction with the above examples:
further, the central fixing platform 6 is fixed on the ground through foundation bolts, two wall bodies 20 for connection are fixed on the ground, and threaded connecting seats 19 are fixed on the two wall bodies 20. This part of the operation according to an example of a conveniently used prefabricated building wall connecting device shown in fig. 2, 10 and 11 is: through the initial setting according to two walls 20, and then the extension of confirming the device, angle, level and linking, two walls 20 crisscross setting then need not the angle modulation can, be two walls 20 that the angle set up then need according to actual conditions, angle modulation and side level, link up after, and then outstanding device meet an emergency and result of use.
Further optimization in conjunction with the above examples:
further, the screw coupling seats 19 are coupled with the locking coupling bolts 18 in the plurality of sliding bolt seats 5 by screw-fitting. This part of the operation according to an example of a conveniently used prefabricated building wall connecting device shown in fig. 9, 10 and 11 is: the two walls 20 are connected and fixed by connecting the threaded connecting seats 19 through the plurality of locking connecting bolts 18 on the sliding bolt seats 5, so that the temporary connection and fixation effects are achieved, and the completion and safety of the whole building construction are guaranteed.
Further optimization in conjunction with the above examples:
further said pusher table 4 is pushed laterally sliding in the pusher chute 13 by the rotation of the pusher screw 14. This part of the operation according to an example of a conveniently used prefabricated building wall connecting device shown in fig. 9, 10 and 11 is: through the propulsion of propulsion platform 4 horizontal slip in propulsion spout 13, guaranteeing that angle modulation is fixed the back, through the laminating of propulsion platform 4 and two threaded connection seats 19, observe horizontal effect, and then avoid linking up the skew of appearing, influence the effect of fixed linking. The pushing platform 4 is attached to the threaded connecting seat 19.
Claims (10)
1. The utility model provides a convenient to use's assembled building wall connecting device, includes extension drive tooth axle (1), two extension processing platform (2), two corner platforms (3), two propulsion platforms (4) and a plurality of sliding bolt seat (5), its characterized in that: two ends of the extension driving gear shaft (1) are respectively engaged with two extension processing tables (2) which are used for extension connection, the two extension processing tables (2) are respectively connected with two corner tables (3) for angle adjustment in a rotating manner, the two corner tables (3) are respectively connected with two propulsion tables (4) which are propelled in a transverse sliding manner, and the propulsion tables (4) are longitudinally connected with a plurality of sliding bolt seats (5) of a wall body in a sliding manner.
2. The assembling type building wall connecting device for convenient use according to claim 1, wherein the extension driving gear shaft (1) rotates in a central fixing table (6) for fixing a center, two pull rings are fixed at the upper end of the central fixing table (6), the lower end of the central fixing table (6) is fixed through a foundation bolt, and two limit sliding grooves (7) are respectively arranged at two ends of the central fixing table (6).
3. The convenient-to-use assembly type building wall connecting device according to claim 1, wherein a limiting sliding rack (10) is fixed on the extension processing table (2), the extension processing table (2) slides in a limiting sliding groove (7) of the central fixing table (6) through the limiting sliding rack (10) and is meshed with the transmission extension driving gear shaft (1), and an angle rotating groove (9) facilitating angle adjustment is formed in the outer end of the extension processing table (2).
4. The assembly type building wall connecting device according to claim 1, wherein the corner platform (3) comprises a hand rotation angle rotating shaft (11), an angle rotating frame (12) and a pushing sliding groove (13), the hand rotation angle rotating shaft (11) is fixed on a boss of the angle rotating frame (12) and rotates in the angle rotating groove (9) of the extension processing platform (2), and the pushing sliding groove (13) is arranged on the angle rotating frame (12).
5. The assembly type building wall connecting device for convenient use according to claim 1, wherein the pushing platform (4) is transversely slid in the pushing sliding groove (13) of the corner platform (3), the pushing platform (4) is in threaded fit connection with a pushing screw rod (14) for pushing through a threaded seat, and the pushing screw rod (14) is rotated in a fixed rotating shaft platform (15) fixed on the angle rotating frame (12).
6. The assembly type building wall connecting device convenient to use according to claim 1, wherein the sliding bolt seat (5) comprises a threaded sliding table (16), a longitudinal sliding block (17) and a locking connecting bolt (18), the longitudinal sliding block (17) is fixed at the outer end of the threaded sliding table (16), and the threaded sliding table (16) longitudinally slides in the pushing table (4) through the longitudinal sliding block (17); the locking connecting bolt (18) is connected on the thread sliding table (16) through thread matching.
7. The assembly type building wall connecting device for convenient use according to claim 2, wherein the central fixing platform (6) is fixed on the ground through anchor bolts, two walls (20) for connection are fixed on the ground, and the screw connecting seats (19) are fixed on both the walls (20).
8. The assembly type building wall connecting device for convenient use according to claim 7, wherein the screw coupling seat (19) is coupled with the locking coupling bolts (18) in the plurality of sliding bolt seats (5) by screw-fitting.
9. The assembly type building wall connecting device for convenient use according to claim 5, wherein the propelling table (4) is transversely propelled to slide in the propelling chute (13) by the rotation of the propelling screw (14).
10. The assembly type building wall connecting device for convenient use according to claim 7, wherein the pushing platform (4) is attached to the screw connecting seat (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111583621.3A CN114215187B (en) | 2021-12-22 | 2021-12-22 | Convenient to use's assembled building wall connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111583621.3A CN114215187B (en) | 2021-12-22 | 2021-12-22 | Convenient to use's assembled building wall connecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114215187A true CN114215187A (en) | 2022-03-22 |
| CN114215187B CN114215187B (en) | 2023-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111583621.3A Active CN114215187B (en) | 2021-12-22 | 2021-12-22 | Convenient to use's assembled building wall connecting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN114215187B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2965147A1 (en) * | 2016-04-27 | 2017-10-27 | Krueger International, Inc. | Wall panel angled connector system |
| CN109386147A (en) * | 2018-11-27 | 2019-02-26 | 上海工程技术大学 | A kind of fixed frame of the exhibitions spatial design convenient for connection |
| CN209779962U (en) * | 2019-04-18 | 2019-12-13 | 马玉龙 | ALC evaporates presses aerated concrete batten slope partition wall structure |
| CN110725419A (en) * | 2019-10-31 | 2020-01-24 | 中国二十二冶集团有限公司 | Method for installing included angle of assembled wall and special connecting device for method |
| CN211228937U (en) * | 2019-10-31 | 2020-08-11 | 中国二十二冶集团有限公司 | Assembled wall body contained angle connecting device |
| KR102144434B1 (en) * | 2019-10-11 | 2020-08-13 | 조한영 | Installation of temporary apparatus for curtain wall and temporary apparatus for curtain wall |
| CN111980162A (en) * | 2020-09-15 | 2020-11-24 | 金螳螂精装科技（苏州）有限公司 | Mounting structure of building assembled wall body |
| CN112211318A (en) * | 2020-09-23 | 2021-01-12 | 重庆工程职业技术学院 | Convenient to use's assembled building wall connecting device |
| CN213233896U (en) * | 2020-08-06 | 2021-05-18 | 江苏乐嘉华创建筑科技有限公司 | Novel connection of prefabricated building device |
| CN213709964U (en) * | 2020-09-04 | 2021-07-16 | 侯新刚 | Building structure integration installation coupling mechanism |
| CN113445765A (en) * | 2021-06-25 | 2021-09-28 | 无锡市亨利富建设发展有限公司 | Connecting component for assembly type building |
| CN113775077A (en) * | 2021-08-11 | 2021-12-10 | 深圳市大红点装饰有限公司 | Assembled integration wall body |
-
2021
- 2021-12-22 CN CN202111583621.3A patent/CN114215187B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2965147A1 (en) * | 2016-04-27 | 2017-10-27 | Krueger International, Inc. | Wall panel angled connector system |
| CN109386147A (en) * | 2018-11-27 | 2019-02-26 | 上海工程技术大学 | A kind of fixed frame of the exhibitions spatial design convenient for connection |
| CN209779962U (en) * | 2019-04-18 | 2019-12-13 | 马玉龙 | ALC evaporates presses aerated concrete batten slope partition wall structure |
| KR102144434B1 (en) * | 2019-10-11 | 2020-08-13 | 조한영 | Installation of temporary apparatus for curtain wall and temporary apparatus for curtain wall |
| CN110725419A (en) * | 2019-10-31 | 2020-01-24 | 中国二十二冶集团有限公司 | Method for installing included angle of assembled wall and special connecting device for method |
| CN211228937U (en) * | 2019-10-31 | 2020-08-11 | 中国二十二冶集团有限公司 | Assembled wall body contained angle connecting device |
| CN213233896U (en) * | 2020-08-06 | 2021-05-18 | 江苏乐嘉华创建筑科技有限公司 | Novel connection of prefabricated building device |
| CN213709964U (en) * | 2020-09-04 | 2021-07-16 | 侯新刚 | Building structure integration installation coupling mechanism |
| CN111980162A (en) * | 2020-09-15 | 2020-11-24 | 金螳螂精装科技（苏州）有限公司 | Mounting structure of building assembled wall body |
| CN112211318A (en) * | 2020-09-23 | 2021-01-12 | 重庆工程职业技术学院 | Convenient to use's assembled building wall connecting device |
| CN113445765A (en) * | 2021-06-25 | 2021-09-28 | 无锡市亨利富建设发展有限公司 | Connecting component for assembly type building |
| CN113775077A (en) * | 2021-08-11 | 2021-12-10 | 深圳市大红点装饰有限公司 | Assembled integration wall body |
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| Publication number | Publication date |
|---|---|
| CN114215187B (en) | 2023-05-30 |
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Effective date of registration: 20230515 Address after: Room 2050, Building B2, Yuanrui Square, North Side of Qijiguang Avenue, Dingcheng Town, Dingyuan County, Chuzhou City, Anhui Province, 239000 Applicant after: Anhui Shuimu Construction Engineering Group Co.,Ltd. Applicant after: Wei Wangchun Address before: 615000 Sichuan Applied Technology Vocational College, Lijia Ningyuan Avenue, Xichang City, Liangshan Yi Autonomous Prefecture, Sichuan Province Applicant before: Cao Fuqiong |
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