CN210395656U - Corrugated steel plate special-shaped column - Google Patents

Corrugated steel plate special-shaped column Download PDF

Info

Publication number
CN210395656U
CN210395656U CN201920910141.5U CN201920910141U CN210395656U CN 210395656 U CN210395656 U CN 210395656U CN 201920910141 U CN201920910141 U CN 201920910141U CN 210395656 U CN210395656 U CN 210395656U
Authority
CN
China
Prior art keywords
corrugated steel
shaped
steel plate
special
column
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
Application number
CN201920910141.5U
Other languages
Chinese (zh)
Inventor
李志安
张可
王再胜
刘飞东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Zhongnan Lvjian Technology Group Co ltd
Original Assignee
Zhejiang Zhongnan Construction Group Steel Structure Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Zhongnan Construction Group Steel Structure Co Ltd filed Critical Zhejiang Zhongnan Construction Group Steel Structure Co Ltd
Priority to CN201920910141.5U priority Critical patent/CN210395656U/en
Application granted granted Critical
Publication of CN210395656U publication Critical patent/CN210395656U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a wave form steel sheet dysmorphism post, including at least three steel pipe and at least one wave form steel sheet, through wave form steel sheet welded fastening between two steel pipes. The utility model discloses a dysmorphism post can realize with the infilled wall uniform thickness, and parallel and infilled wall length direction post size is big than the rectangle post, has improved the anti lateral stiffness of this direction, and the web between the special-shaped post limb of wave form steel sheet adopts the wave form steel sheet, can make its outside rigidity increase, and welding deformation is little, has improved joint strength and stability between the adjacent steel pipe, and the post parcel has avoided indoor bight to appear the salient angle in the wall body.

Description

Corrugated steel plate special-shaped column
Technical Field
The utility model relates to a wave form steel sheet dysmorphism post.
Background
The steel pipe concrete column is a combined member formed by filling concrete in a steel pipe and bearing the force of two materials together. On one hand, the poisson ratio of the steel pipe is slightly smaller than that of the concrete, so that when the concrete in the steel pipe deforms, the steel pipe can provide a certain constraint effect on the concrete, the concrete is in a three-dimensional stress state, the brittleness performance of the concrete can be improved, and the strength of the concrete is improved to a certain extent; on the other hand, the existence of the concrete delays or avoids the premature local buckling of the steel pipe, and can obviously improve the fire resistance of the steel pipe.
However, the steel pipe concrete columns have a convex column phenomenon in residential buildings, and the use area of the house and the arrangement of clamps are affected. Modern people have higher and higher requirements on indoor decoration and environment, and pay more and more attention to the usable floor area of a house.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a technical scheme of wave form steel sheet dysmorphism post to the not enough of prior art existence and provide, this dysmorphism post can realize with the infilled wall uniform thickness, it is big with the rectangular column of infilled wall length direction post size parallel, the anti side rigidity of this direction has been improved, web between the special-shaped post limb of wave form steel sheet adopts the wave form steel sheet, can make its outside rigidity increase, welding deformation is little, the joint strength and the stability between the adjacent steel pipe have been improved, the post parcel is in the wall body, the salient angle has been avoided appearing in indoor bight.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a corrugated steel plate special-shaped column is characterized in that: the corrugated steel pipe comprises at least three steel pipes and at least one corrugated steel plate, wherein the two steel pipes are welded and fixed through the corrugated steel plate; the special-shaped column can be equal in thickness to a filler wall, the column size in the length direction of the parallel and filler wall is larger than that of a rectangular column, the lateral stiffness in the direction is improved, the web plate between column limbs of the special-shaped column made of the corrugated steel plate is made of the corrugated steel plate, the lateral stiffness of the special-shaped column is increased, welding deformation is small, the connecting strength and stability between adjacent steel pipes are improved, the column is wrapped in the wall, and a convex angle in an indoor corner is avoided.
Furthermore, concrete is poured into the steel pipe, so that the stability and the strength of the steel pipe are improved.
Furthermore, the corrugated steel plate is horizontally or vertically connected between the two steel pipes, the distance between the single steel pipe can be adjusted, and the small-section steel pipe is adopted to obtain larger bending rigidity.
Furthermore, two wave form steel sheet are reverse vertical setting between two steel pipes, and pour the concrete between two steel pipes and two wave form steel sheets, improve the intensity and the stability of wave form steel sheet dysmorphism post.
Further, two wave form steel sheet are reverse to be laminated vertical or level setting between two steel pipes, through screw fixed connection between two wave form steel sheets, improve the intensity and the stability of wave form steel sheet dysmorphism post.
Further, two wave form steel sheet mutually perpendicular reverse laminating settings are between two steel pipes, through screw fixed connection between two wave form steel sheets, improve the intensity and the stability of wave form steel sheet dysmorphism post.
Further, the horizontal section of the corrugated steel plate special-shaped column is L-shaped, T-shaped or cross-shaped; the L-shaped corrugated steel plate special-shaped column is formed by welding 3 steel pipes and a corrugated steel plate and then casting concrete in the steel pipes in situ; the T-shaped corrugated steel plate special-shaped column is formed by welding 4 steel pipes and corrugated steel plates and then casting concrete in the steel pipes in situ; the cross-shaped corrugated steel plate special-shaped column is formed by welding 5 steel pipes and corrugated steel plates and then is formed by casting concrete in the steel pipes in situ, and the connecting modes can realize the equal thickness with a filler wall and avoid the phenomenon of convex columns.
The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has:
1. the special-shaped column can be equal in thickness to the filler wall, the column size in the direction parallel to the length direction of the filler wall is larger than that of a rectangular column, and the lateral stiffness in the direction is improved.
2. The web plate between the special-shaped column limbs of the corrugated steel plate is the corrugated steel plate, so that the rigidity of the outer side of the special-shaped column limbs of the corrugated steel plate is increased, the welding deformation is small, and the connection strength and the stability between the adjacent steel pipes are improved.
3. The columns are wrapped in the wall, so that convex angles at indoor corners are avoided.
Description of the drawings:
the present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the vertical connection of single-layer corrugated steel plates when the corrugated steel plate special-shaped column of the present invention is L-shaped;
FIG. 2 is a schematic structural view of the horizontal connection of single-layer corrugated steel plates when the special-shaped column of the present invention is L-shaped;
FIG. 3 is a schematic structural view of the vertical connection of single-layer corrugated steel plates when the special-shaped column of the present invention is T-shaped;
FIG. 4 is a schematic structural view of the horizontal connection of the single-layer corrugated steel plates when the special-shaped column of the present invention is T-shaped;
FIG. 5 is a schematic structural view of the vertical connection of single-layer corrugated steel plates when the special-shaped column of the present invention is cross-shaped;
FIG. 6 is a schematic structural view of the horizontal connection of the single-layer corrugated steel plates when the special-shaped column of the present invention is cross-shaped;
FIG. 7 is a schematic structural view of the vertical connection of the double-layer corrugated steel plates when the special-shaped column of the present invention is L-shaped;
FIG. 8 is a schematic structural view of the vertical connection of the double-layer corrugated steel plates when the special-shaped column of the present invention is T-shaped;
FIG. 9 is a schematic structural view of the horizontal connection of the double-layer corrugated steel plates when the special-shaped column of the present invention is T-shaped;
fig. 10 is a schematic structural view of the connection of the double-layer corrugated steel plates when the middle special-shaped column of the present invention is cross-shaped.
In the figure: 1-a steel pipe; 2-corrugated steel plate; 3-concrete; 4-screws.
Detailed Description
Example 1
As shown in fig. 1 to 2, the corrugated steel plate special-shaped column of the present invention comprises at least three steel pipes 1 and at least one corrugated steel plate 2, wherein the two steel pipes 1 are welded and fixed by the corrugated steel plate 2; the special-shaped column can be equal in thickness to a filler wall, the column size in the length direction of the parallel and filler wall is larger than that of a rectangular column, the lateral stiffness in the direction is improved, the web plate between column limbs of the special-shaped column of the corrugated steel plate is the corrugated steel plate 2, the lateral stiffness of the special-shaped column can be increased, welding deformation is small, the connecting strength and stability between adjacent steel pipes 1 are improved, the column is wrapped in the wall, and the convex angle of an indoor corner is avoided.
Concrete 3 is poured into the steel pipe 1, so that the stability and the strength of the steel pipe 1 are improved.
The corrugated steel plate 2 is horizontally or vertically connected between the two steel pipes 1, the distance between the single steel pipe 1 can be adjusted, and the small-section steel pipe 1 is adopted to obtain larger bending rigidity.
The horizontal section of the corrugated steel plate special-shaped column is L-shaped, the L-shaped corrugated steel plate special-shaped column is formed by welding 3 steel pipes 1 and corrugated steel plates 2, and then concrete 3 is cast in situ in the steel pipes 1; the connection mode can realize equal thickness with the filler wall, and avoids the convex column phenomenon.
Example 2
As shown in fig. 3 to 4, the corrugated steel plate special-shaped column of the present invention comprises at least three steel pipes 1 and at least one corrugated steel plate 2, wherein the two steel pipes 1 are welded and fixed by the corrugated steel plate 2; the special-shaped column can be equal in thickness to a filler wall, the column size in the length direction of the parallel and filler wall is larger than that of a rectangular column, the lateral stiffness in the direction is improved, the web plate between column limbs of the special-shaped column of the corrugated steel plate is the corrugated steel plate 2, the lateral stiffness of the special-shaped column can be increased, welding deformation is small, the connecting strength and stability between adjacent steel pipes 1 are improved, the column is wrapped in the wall, and the convex angle of an indoor corner is avoided.
Concrete 3 is poured into the steel pipe 1, so that the stability and the strength of the steel pipe 1 are improved.
The corrugated steel plate 2 is horizontally or vertically connected between the two steel pipes 1, the distance between the single steel pipe 1 can be adjusted, and the small-section steel pipe 1 is adopted to obtain larger bending rigidity.
The horizontal section of the corrugated steel plate special-shaped column is T-shaped, the T-shaped corrugated steel plate special-shaped column is formed by welding 4 steel pipes 1 and corrugated steel plates 2, and concrete 3 is cast in the steel pipes 1 in situ.
Example 3
As shown in fig. 5 to 6, the corrugated steel plate special-shaped column of the present invention comprises at least three steel pipes 1 and at least one corrugated steel plate 2, wherein the two steel pipes 1 are welded and fixed by the corrugated steel plate 2; the special-shaped column can be equal in thickness to a filler wall, the column size in the length direction of the parallel and filler wall is larger than that of a rectangular column, the lateral stiffness in the direction is improved, the web plate between column limbs of the special-shaped column of the corrugated steel plate is the corrugated steel plate 2, the lateral stiffness of the special-shaped column can be increased, welding deformation is small, the connecting strength and stability between adjacent steel pipes 1 are improved, the column is wrapped in the wall, and the convex angle of an indoor corner is avoided.
Concrete 3 is poured into the steel pipe 1, so that the stability and the strength of the steel pipe 1 are improved.
The corrugated steel plate 2 is horizontally or vertically connected between the two steel pipes 1, the distance between the single steel pipe 1 can be adjusted, and the small-section steel pipe 1 is adopted to obtain larger bending rigidity.
The horizontal section of the corrugated steel plate special-shaped column is in a cross shape, the cross-shaped corrugated steel plate special-shaped column is formed by welding 5 steel pipes 1 and corrugated steel plates 2, and concrete 3 is cast in the steel pipes 1 in situ.
Example 4
As shown in fig. 7, the corrugated steel plate special-shaped column of the present invention comprises at least three steel pipes 1 and at least one corrugated steel plate 2, wherein the two steel pipes 1 are welded and fixed by the corrugated steel plate 2; the special-shaped column can be equal in thickness to a filler wall, the column size in the length direction of the parallel and filler wall is larger than that of a rectangular column, the lateral stiffness in the direction is improved, the web plate between column limbs of the special-shaped column of the corrugated steel plate is the corrugated steel plate 2, the lateral stiffness of the special-shaped column can be increased, welding deformation is small, the connecting strength and stability between adjacent steel pipes 1 are improved, the column is wrapped in the wall, and the convex angle of an indoor corner is avoided.
Concrete 3 is poured into the steel pipe 1, so that the stability and the strength of the steel pipe 1 are improved.
Two wave form steel sheet 2 are reverse vertical setting between two steel pipes 1, and pour concrete 3 between two steel pipes 1 and two wave form steel sheet 2, improve the intensity and the stability of wave form steel sheet dysmorphism post.
The horizontal section of the special-shaped column of the corrugated steel plate is L-shaped, T-shaped or cross-shaped; the L-shaped corrugated steel plate special-shaped column is formed by welding 3 steel pipes 1 and corrugated steel plates 2 and then casting concrete 3 in the steel pipes 1 in situ; the T-shaped corrugated steel plate special-shaped column is formed by welding 4 steel pipes 1 and corrugated steel plates 2 and then casting concrete 3 in the steel pipes 1 in situ; the cross-shaped corrugated steel plate special-shaped column is formed by welding 5 steel pipes 1 and corrugated steel plates 2 and then is formed by casting concrete 3 in the steel pipes 1 in situ, and the connecting modes can realize the equal thickness with a filler wall and avoid the phenomenon of convex columns.
Example 5
As shown in fig. 8 to 9, for the corrugated steel plate special-shaped column of the present invention, the column comprises at least three steel pipes 1 and at least one corrugated steel plate 2, and the two steel pipes 1 are welded and fixed by the corrugated steel plate 2; the special-shaped column can be equal in thickness to a filler wall, the column size in the length direction of the parallel and filler wall is larger than that of a rectangular column, the lateral stiffness in the direction is improved, the web plate between column limbs of the special-shaped column of the corrugated steel plate is the corrugated steel plate 2, the lateral stiffness of the special-shaped column can be increased, welding deformation is small, the connecting strength and stability between adjacent steel pipes 1 are improved, the column is wrapped in the wall, and the convex angle of an indoor corner is avoided.
Concrete 3 is poured into the steel pipe 1, so that the stability and the strength of the steel pipe 1 are improved.
Two wave form steel sheet 2 are reverse to laminate vertically or the level setting between two steel pipes 1, through 4 fixed connection of screw between two wave form steel sheet 2, improve the intensity and the stability of wave form steel sheet dysmorphism post.
The horizontal section of the special-shaped column of the corrugated steel plate is L-shaped, T-shaped or cross-shaped; the L-shaped corrugated steel plate special-shaped column is formed by welding 3 steel pipes 1 and corrugated steel plates 2 and then casting concrete 3 in the steel pipes 1 in situ; the T-shaped corrugated steel plate special-shaped column is formed by welding 4 steel pipes 1 and corrugated steel plates 2 and then casting concrete 3 in the steel pipes 1 in situ; the cross-shaped corrugated steel plate special-shaped column is formed by welding 5 steel pipes 1 and corrugated steel plates 2 and then is formed by casting concrete 3 in the steel pipes 1 in situ, and the connecting modes can realize the equal thickness with a filler wall and avoid the phenomenon of convex columns.
Example 6
As shown in fig. 10, the corrugated steel plate special-shaped column of the present invention comprises at least three steel pipes 1 and at least one corrugated steel plate 2, wherein the two steel pipes 1 are welded and fixed by the corrugated steel plate 2; the special-shaped column can be equal in thickness to a filler wall, the column size in the length direction of the parallel and filler wall is larger than that of a rectangular column, the lateral stiffness in the direction is improved, the web plate between column limbs of the special-shaped column of the corrugated steel plate is the corrugated steel plate 2, the lateral stiffness of the special-shaped column can be increased, welding deformation is small, the connecting strength and stability between adjacent steel pipes 1 are improved, the column is wrapped in the wall, and the convex angle of an indoor corner is avoided.
Concrete 3 is poured into the steel pipe 1, so that the stability and the strength of the steel pipe 1 are improved.
Two wave form steel sheet 2 mutually perpendicular reverse laminating settings are between two steel pipes 1, through 4 fixed connection of screw between two wave form steel sheet 2, improve the intensity and the stability of wave form steel sheet dysmorphism post.
The horizontal section of the special-shaped column of the corrugated steel plate is L-shaped, T-shaped or cross-shaped; the L-shaped corrugated steel plate special-shaped column is formed by welding 3 steel pipes 1 and corrugated steel plates 2 and then casting concrete 3 in the steel pipes 1 in situ; the T-shaped corrugated steel plate special-shaped column is formed by welding 4 steel pipes 1 and corrugated steel plates 2 and then casting concrete 3 in the steel pipes 1 in situ; the cross-shaped corrugated steel plate special-shaped column is formed by welding 5 steel pipes 1 and corrugated steel plates 2 and then is formed by casting concrete 3 in the steel pipes 1 in situ, and the connecting modes can realize the equal thickness with a filler wall and avoid the phenomenon of convex columns.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to achieve substantially the same technical effects are all covered by the scope of the present invention.

Claims (7)

1. A corrugated steel plate special-shaped column is characterized in that: the corrugated steel pipe comprises at least three steel pipes and at least one corrugated steel plate, wherein the two steel pipes are welded and fixed through the corrugated steel plate.
2. The corrugated steel plate profile post as claimed in claim 1, wherein: and concrete is poured in the steel pipe.
3. The corrugated steel plate profile post as claimed in claim 1, wherein: the corrugated steel plate is horizontally or vertically connected between the two steel pipes.
4. The corrugated steel plate profile post as claimed in claim 1, wherein: the two corrugated steel plates are vertically arranged between the two steel pipes in a reverse direction, and concrete is poured between the two steel pipes and the two corrugated steel plates.
5. The corrugated steel plate profile post as claimed in claim 1, wherein: the two corrugated steel plates are reversely attached and vertically or horizontally arranged between the two steel pipes and are fixedly connected through screws.
6. The corrugated steel plate profile post as claimed in claim 1, wherein: the two corrugated steel plates are mutually perpendicular and oppositely attached and arranged between the two steel pipes and are fixedly connected through screws.
7. The corrugated steel plate profile post as claimed in claim 1, wherein: the horizontal section of the corrugated steel plate special-shaped column is L-shaped, T-shaped or cross-shaped.
CN201920910141.5U 2019-06-17 2019-06-17 Corrugated steel plate special-shaped column Active CN210395656U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920910141.5U CN210395656U (en) 2019-06-17 2019-06-17 Corrugated steel plate special-shaped column

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920910141.5U CN210395656U (en) 2019-06-17 2019-06-17 Corrugated steel plate special-shaped column

Publications (1)

Publication Number Publication Date
CN210395656U true CN210395656U (en) 2020-04-24

Family

ID=70349497

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920910141.5U Active CN210395656U (en) 2019-06-17 2019-06-17 Corrugated steel plate special-shaped column

Country Status (1)

Country Link
CN (1) CN210395656U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112160503A (en) * 2020-09-18 2021-01-01 北京工业大学 Steel pipe-shaped steel special-shaped column that anti side twin columns of dual ripple board bore
CN112160419A (en) * 2020-09-18 2021-01-01 北京工业大学 Assembled beam column connected node based on anti special-shaped post of side of buckled plate
CN112160502A (en) * 2020-09-18 2021-01-01 北京工业大学 Corrugated plate connected steel special-shaped column
CN112160501A (en) * 2020-09-18 2021-01-01 北京工业大学 Double-column bearing assembly type special-shaped column with replaceable corrugated plate after earthquake
CN112302252A (en) * 2020-09-18 2021-02-02 北京工业大学 Post-earthquake repairable assembled lattice column with shear type energy dissipation damper
CN112302167A (en) * 2020-09-18 2021-02-02 北京工业大学 Assembled steel construction dysmorphism post frame construction system
CN112302166A (en) * 2020-09-18 2021-02-02 北京工业大学 Assembled special-shaped column-beam connecting node capable of being repaired after earthquake
CN112302168A (en) * 2020-09-18 2021-02-02 北京工业大学 Assembled special-shaped column-beam connecting node
WO2022057643A1 (en) * 2020-09-18 2022-03-24 北京工业大学 Assembly-type beam-column connection joint based on corrugated plate lateral-resistant special-shaped column

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112160503A (en) * 2020-09-18 2021-01-01 北京工业大学 Steel pipe-shaped steel special-shaped column that anti side twin columns of dual ripple board bore
CN112160419A (en) * 2020-09-18 2021-01-01 北京工业大学 Assembled beam column connected node based on anti special-shaped post of side of buckled plate
CN112160502A (en) * 2020-09-18 2021-01-01 北京工业大学 Corrugated plate connected steel special-shaped column
CN112160501A (en) * 2020-09-18 2021-01-01 北京工业大学 Double-column bearing assembly type special-shaped column with replaceable corrugated plate after earthquake
CN112302252A (en) * 2020-09-18 2021-02-02 北京工业大学 Post-earthquake repairable assembled lattice column with shear type energy dissipation damper
CN112302167A (en) * 2020-09-18 2021-02-02 北京工业大学 Assembled steel construction dysmorphism post frame construction system
CN112302166A (en) * 2020-09-18 2021-02-02 北京工业大学 Assembled special-shaped column-beam connecting node capable of being repaired after earthquake
CN112302168A (en) * 2020-09-18 2021-02-02 北京工业大学 Assembled special-shaped column-beam connecting node
WO2022057643A1 (en) * 2020-09-18 2022-03-24 北京工业大学 Assembly-type beam-column connection joint based on corrugated plate lateral-resistant special-shaped column

Similar Documents

Publication Publication Date Title
CN210395656U (en) Corrugated steel plate special-shaped column
WO2022057642A1 (en) Steel special-shaped column with corrugated plates for connection
CN201598774U (en) Improved special steel tube concrete combination column
CN113266074A (en) Assembled light steel light concrete shear wall structure house system
CN107100316A (en) Assembled low energy consumption integrated wall
CN107975163B (en) Assembled double-layer external wall panel, mounting structure and horizontal vertical waterproof structure
CN207003665U (en) Steel construction assembled architecture outer wall board connecting structure
CN2763375Y (en) Composite lead energy dissipation device with built-in steel board
CN212317144U (en) Wallboard and floor connected node structure
CN206829345U (en) A kind of house floor wall-panel assembled structure based on light gauge cold-formed steel shape
CN212866588U (en) Contain assembled decoration heat preservation integration wallboard of skeleton
CN109057135B (en) Light fast-assembled external wall panel and connecting method
CN207130967U (en) Assembled architecture composite board and the assembled architecture attachment structure using the sheet material
CN210263514U (en) Superposed corrugated steel plate wall core barrel-cold-formed thin-walled steel composite wall structure
CN203977623U (en) The assembled wall that lattice light steel frame combines with light concrete masonry
CN206917071U (en) Assembled low energy consumption integrated wall
CN209457268U (en) Steel reinforced concrete combines flat column
CN206956975U (en) Waveform list steel plate shear force wall system
CN216587142U (en) Anti-cracking shear wall
CN210530022U (en) Assembled double-layer external wall panel, mounting structure and horizontal vertical seam waterproof structure
CN110578406A (en) hidden frame and steel plate wall combined damping steel house system
CN110616827A (en) Bamboo keel clamping plate shear wall
CN211548019U (en) Concrete special-shaped member of shaped steel and corrugated steel plate combination
CN113026939B (en) Linear profiling hollow steel plate
CN205134719U (en) Compound house of cold -formed steel wallboard

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 311400 No.18, Changkou East Street, Changkou Town, Fuyang District, Hangzhou City, Zhejiang Province

Patentee after: Zhejiang Zhongnan Lvjian Technology Group Co.,Ltd.

Address before: No.245, BINKANG Road, Binjiang District, Hangzhou City, Zhejiang Province 310052

Patentee before: ZHEJIANG ZHONGNAN CONSTRUCTION GROUP STEEL STRUCTURE Co.,Ltd.

CP03 Change of name, title or address