CN110847359B - Installation butt joint structure of roof beam and post in prefabricated building - Google Patents
Installation butt joint structure of roof beam and post in prefabricated building Download PDFInfo
- Publication number
- CN110847359B CN110847359B CN201911176458.1A CN201911176458A CN110847359B CN 110847359 B CN110847359 B CN 110847359B CN 201911176458 A CN201911176458 A CN 201911176458A CN 110847359 B CN110847359 B CN 110847359B
- Authority
- CN
- China
- Prior art keywords
- positioning
- radial
- driving
- steel
- box
- 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
Images
Classifications
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2415—Brackets, gussets, joining plates
-
- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a beam-column installation butt joint structure in an assembly type building, which comprises two steel beams (1) and a steel column (2) corresponding to the two steel beams, wherein the two steel beams (1) are connected and fixed into a whole through a positioning sleeve (3); the positioning sleeve is characterized in that a driving device is arranged inside the positioning sleeve (3), two ends of the driving device are respectively provided with a radial fixing device, the driving device comprises a driving shaft (4) which is arranged along the height direction of the positioning sleeve (3), two side faces of the top of the driving shaft (4) are respectively welded and fixed with a first ear seat (5), and a driving connecting rod (6) which is in rotating connection with the first ear seat (5) is installed on the first ear seat. The butt joint structure is simple, the connection strength between the positioning sleeve and the steel beam can be effectively improved, the connection strength between the steel beam and the haunched beam is improved, and the stability of the node is improved.
Description
Technical Field
The invention relates to the technical field related to an assembly type building, in particular to an installation butt joint structure of a beam and a column in the assembly type building.
Background
Connection structure between steel construction beam column is whole building strength's key in assembly type structure, and the connected mode between present common girder steel and the steel column is mostly fixed through outside a plurality of bolted connection, whole butt joint installation process trouble very, and the intensity of connecting is lower.
Disclosure of Invention
The invention aims to provide a beam and column mounting butt joint structure in an assembly type building, which can effectively solve the problems in the background technology.
In order to solve the problems existing in the background technology, the steel column comprises two steel beams 1 and steel columns 2 corresponding to the two steel beams 1, wherein the two steel beams 1 are connected and fixed into a whole through a positioning sleeve 3;
a driving device is arranged in the positioning sleeve 3, two ends of the driving device are respectively provided with a radial fixing device, the driving device comprises a driving shaft 4 which is arranged along the height direction of the positioning sleeve 3, two side surfaces of the top of the driving shaft 4 are respectively welded and fixed with a first ear seat 5, and a driving connecting rod 6 which is in rotating connection and matching with the first ear seat 5 is arranged on the first ear seat 5;
the radial fixing device comprises a second lug seat 7 which can be connected and matched with the end part of the driving connecting rod 6 in a rotating mode, the second lug seat 7 is fixedly welded at the side face of the radial driving box 8, the radial driving box 8 can be in clearance sliding fit along the length direction of the steel beam 1, an opening is formed in the side face of one side, opposite to the second lug seat 7, of the radial driving box 8, positioning plates 81 extend outwards from two ends of the opening side of the radial driving box 8 respectively, a first guide sliding chute 9 which is obliquely arranged is formed in the edge of the upper end part of each positioning plate 81, a positioning box 10 which can be in clearance sliding fit with the two positioning plates 81 is arranged between the two positioning plates 81, the lower end of the positioning box 10 is fixedly welded at the lower bottom face of the steel beam 1, a second guide sliding chute 12 which is arranged along the height direction is formed in the middle part of the positioning box 10 in a penetrating mode, and the positioning box 10 is of a C-shaped structure The positioning device comprises a positioning slide block 11, wherein two ends of the top of the radial positioning slide block 11 respectively extend outwards to form positioning shafts 13 which can be in clearance sliding fit with a first guide sliding groove 9 and a second guide sliding groove 12, a plurality of first bolts 14 are welded on the lower bottom surface of the radial positioning slide block 11, and a positioning hole 17 for the radial positioning slide block 11 to pass through in a clearance mode is formed in the lower bottom surface of the steel beam 1;
The two sides of the upper top surface of the steel column 2 are respectively and vertically welded and fixed with an axial fixing plate 21 which can be attached to the inner wall of the sleeve 3 in a sliding manner, the two sides of the lower bottom surface of the sleeve 3 are respectively penetrated and provided with positioning slots 31 for the axial fixing plate 21 to be inserted in a clearance manner, a shaft hole 32 for the driving shaft 4 to pass through in a clearance manner is arranged in the middle between the two positioning slots 31, and the axial fixing plate 21 and the inner wall of the sleeve 3 are screwed and fixed into a whole through a second bolt 23.
The upper top of the driving shaft 4 is provided with a first spring seat 41, the first spring seat 41 is fixedly provided with a spring 18, the middle part of the upper top surface of the sleeve 3 is outwards punched and formed into a second spring seat 33 in one step, and the upper end of the spring 18 is fixed in the second spring seat 33.
The upper top surface of the steel beam 1 is provided with a first fixing plate 19, the first fixing plate 19 is positioned at the end part close to one end of the driving shaft 4, a second fixing plate 20 is punched out of the end part, and the edge of the upper end of the radial driving box 8 can be inserted between the second fixing plate 20 and the inner wall of the steel beam 1 with a gap.
The radial positioning seat 15 is provided with a first screw hole 151 in a penetrating manner, the radial positioning slider 11 is provided with a second screw hole 111 corresponding to the first screw hole 151 in a penetrating manner, and the first screw hole 151 and the second screw hole 111 are connected in a screwed manner through a screw 22.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: the butt joint structure is simple, the connecting strength between the positioning sleeve and the steel beam can be effectively improved, the connecting strength between the steel beam and the haunched beam is improved, and the stability of the node is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of an exploded structure of the present invention;
FIG. 2 is a schematic view of the bottom structure of the steel beam of the present invention;
FIG. 3 is a schematic view of the construction of the driving case of the present invention; .
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the technical scheme in the embodiment of the invention will be clearly and completely described below with reference to the attached drawings in the embodiment of the invention.
Referring to fig. 1-3, the present embodiment is realized by the following technical scheme, which comprises two steel beams 1 and corresponding steel columns 2, wherein the two steel beams 1 are connected and fixed into a whole through a positioning sleeve 3;
a driving device is arranged in the positioning sleeve 3, two ends of the driving device are respectively provided with a radial fixing device, the driving device comprises a driving shaft 4 which is arranged along the height direction of the positioning sleeve 3, two side surfaces of the top of the driving shaft 4 are respectively welded and fixed with a first ear seat 5, and a driving connecting rod 6 which is in rotating connection and matching with the first ear seat 5 is arranged on the first ear seat 5;
the radial fixing device comprises a second lug seat 7 which can be connected and matched with the end part of the driving connecting rod 6 in a rotating mode, the second lug seat 7 is fixedly welded at the side face of the radial driving box 8, the radial driving box 8 can be in clearance sliding fit along the length direction of the steel beam 1, an opening is formed in the side face of one side, opposite to the second lug seat 7, of the radial driving box 8, positioning plates 81 extend outwards from two ends of the opening side of the radial driving box 8 respectively, a first guide sliding chute 9 which is obliquely arranged is formed in the edge of the upper end part of each positioning plate 81, a positioning box 10 which can be in clearance sliding fit with the two positioning plates 81 is arranged between the two positioning plates 81, the lower end of the positioning box 10 is fixedly welded at the lower bottom face of the steel beam 1, a second guide sliding chute 12 which is arranged along the height direction is formed in the middle part of the positioning box 10 in a penetrating mode, and the positioning box 10 is of a C-shaped structure The positioning device comprises a positioning slide block 11, wherein two ends of the top of the radial positioning slide block 11 respectively extend outwards to form positioning shafts 13 which can be in clearance sliding fit with a first guide sliding groove 9 and a second guide sliding groove 12, a plurality of first bolts 14 are welded on the lower bottom surface of the radial positioning slide block 11, and a positioning hole 17 for the radial positioning slide block 11 to pass through in a clearance mode is formed in the lower bottom surface of the steel beam 1;
The steel column 2 is characterized in that two sides of the upper top surface of the steel column 2 are respectively and vertically welded and fixed with an axial fixing plate 21 which can be attached to the inner wall of the positioning sleeve 3 in a sliding manner, two sides of the lower bottom surface of the positioning sleeve 3 are respectively penetrated and provided with positioning slots 31 for allowing the axial fixing plate 21 to be inserted in a clearance manner, a shaft hole 32 for allowing the driving connecting rod 4 to pass through in a clearance manner is formed in the middle between the two positioning slots 31, and the axial fixing plate 21 and the inner wall of the positioning sleeve 3 are screwed and fixed into a.
The upper top of the driving shaft 4 is provided with a first spring seat 41, the first spring seat 41 is fixedly provided with a spring 18, the middle part of the upper top surface of the positioning sleeve 3 is outwards punched and formed into a second spring seat 33 in one step, and the upper end of the spring 18 is fixed in the second spring seat 33.
The upper top surface of the steel beam 1 is provided with a first fixing plate 19, the first fixing plate 19 is positioned at the end part close to one end of the driving shaft 4, a second fixing plate 20 is punched out of the end part, and the edge of the upper end of the radial driving box 8 can be inserted between the second fixing plate 20 and the inner wall of the steel beam 1 with a gap.
The radial positioning seat 15 is provided with a first screw hole 151 in a penetrating manner, the radial positioning slider 11 is provided with a second screw hole 111 corresponding to the first screw hole 151 in a penetrating manner, and the first screw hole 151 and the second screw hole 111 are connected in a screwed manner through a screw 22.
The following will further explain the application method and the principle of the technical solution part in this embodiment with reference to the accompanying drawings:
firstly, the steel beam 1 and the positioning sleeve 3 which are welded and butted are hoisted to the position right above the steel column 2, then the axial fixing plates 21 are sequentially inserted into the corresponding positioning slots 31 in the lowering process, the end part of the driving shaft 4 starts to contact with the end surface of the steel column 2 in the process of inserting the axial fixing plates 21, the driving shaft 4 is driven to upwards compress the spring 18 to move in the axial direction along with the continuous descending of the steel beam 1 and the positioning sleeve 3, the driving shaft 4 drives the radial driving box 8 to slide along the length direction gap of the steel beam 1 through the driving connecting rod 6 in the process of upwards moving in the axial direction, when the driving box 8 slides in the steel beam 1, the upper end of the driving box 8 gradually slides into the space between the second fixing plate 20 and the inner wall of the steel beam 1, the lower end of the driving box 8 drives the positioning shaft 13 to downwards move along the length direction of the second guiding sliding chute 12, the positioning shaft 13 drives the radial positioning slider 11 to pass through the positioning hole 17 and extend into the radial positioning groove 16 in the downward movement process, and at this time, the first bolt 14 starts to be axially butted with the circular hole 161;
when the positioning sleeve 3 descends to the top of the steel column 2, the two first lug seats 5 reach the top plate of the positioning sleeve 3 under the driving of the driving shaft 4, the spring 18 is also completely compressed into the second spring seat 33, meanwhile, the axial fixing plate 21 just contacts with the top plate of the positioning sleeve 3, the upper end of the driving box 8 is completely embedded between the second fixing plate 20 and the inner wall of the steel beam 1, the radial positioning slider 11 is just completely embedded into the radial positioning groove 16, then the nut is screwed and fixed with the end part of the first bolt 14, the radial positioning slider 11 and the radial positioning seat 15 are fixed in the axial direction, then the screw 22 is sequentially screwed through the first screw hole 151 and the second screw hole 111, the radial positioning slider 11 and the radial positioning seat 15 are fixed in the radial direction, so that the radial positioning slider 11 can also serve as a part of an auxiliary beam to further improve the overall connection strength while ensuring the radial connection strength between the column and the auxiliary beam, finally, the second bolt 23 is screwed to axially fix the axial fixing plate 21 and the positioning sleeve 3 into a whole.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. A beam and column installation butt joint structure in an assembly type building is characterized by comprising two steel beams (1) and steel columns (2) corresponding to the two steel beams, wherein the two steel beams (1) are connected and fixed into a whole through a positioning sleeve (3);
a driving device is arranged in the positioning sleeve (3), two ends of the driving device are respectively provided with a radial fixing device, the driving device comprises a driving shaft (4) which is arranged in the height direction of the positioning sleeve (3), two side surfaces of the top of the driving shaft (4) are respectively welded and fixed with a first ear seat (5), and a driving connecting rod (6) which is in rotating connection and matching with the first ear seat (5) is arranged on the first ear seat;
the radial fixing device comprises a second lug seat (7) which can be rotatably connected and matched with the end part of the driving connecting rod (6), the second lug seat (7) is fixedly welded at the side surface of the radial driving box (8), the radial driving box (8) can be in clearance sliding fit along the length direction of the steel beam (1), an opening is arranged at the side surface of one side, opposite to the second lug seat (7), of the radial driving box (8), positioning plates (81) respectively extend outwards from two ends of the opening side of the radial driving box (8), a first guide sliding chute (9) which is obliquely arranged is formed in the edge of the upper end part of each positioning plate (81), a positioning box (10) which can be in clearance sliding fit with the positioning boxes is arranged between the two positioning plates (81), the lower end of each positioning box (10) is fixedly welded at the lower bottom surface of the steel beam (1), and a second guide sliding chute (12) which is arranged along the height direction of each positioning box (10) is formed in a penetrating manner in the, the positioning box (10) is integrally of a C-shaped structure, a radial positioning sliding block (11) which can be in clearance sliding fit along the height direction of the positioning box is arranged in the positioning box, two ends of the top of the radial positioning sliding block (11) respectively extend outwards to form a positioning shaft (13) which can be in clearance sliding fit with a first guide sliding groove (9) and a second guide sliding groove (12), a plurality of first bolts (14) are welded on the lower bottom surface of the radial positioning sliding block (11), and a positioning hole (17) through which the radial positioning sliding block (11) passes in clearance is formed in the lower bottom surface of the steel beam (1);
radial positioning seats (15) which are used as haunching beams are respectively and radially arranged at two ends of the top of the steel column (2), radial positioning grooves (16) for inserting the radial positioning sliders (11) in gaps are formed in the end portions of the radial positioning seats (15), circular holes (161) for allowing the first bolts (14) to pass through in the axial gaps are formed in the lower bottom surfaces of the radial positioning grooves (16) in a penetrating mode, and the bottoms of the first bolts (14) penetrate through the circular holes (161) to be connected and fixed with nuts in a screwing mode.
2. The mounting and butt-joint structure of the beam and the column in the fabricated building according to claim 1, characterized in that two sides of the upper top surface of the steel column (2) are respectively and vertically welded and fixed with an axial fixing plate (21) which can be attached to the inner wall of the positioning sleeve (3) to slide, two sides of the lower bottom surface of the positioning sleeve (3) are respectively penetrated and provided with a positioning slot (31) for the gap insertion of the axial fixing plate (21), a shaft hole (32) for the gap passage of the driving shaft (4) is arranged in the middle between the two positioning slots (31), and the axial fixing plate (21) and the inner wall of the positioning sleeve (3) are screwed and fixed into a whole through a second bolt (23).
3. The mounting and butting structure for the beam and the column in the fabricated building as claimed in claim 1, wherein a first spring seat (41) is mounted at the upper top of the driving shaft (4), a spring (18) is fixedly mounted on the first spring seat (41), a second spring seat (33) is formed by one-time punching outwards in the middle of the upper top surface of the positioning sleeve (3), and the upper end of the spring (18) is fixed in the second spring seat (33).
4. A beam and column mounting and docking structure in an assembly type building according to claim 1, wherein a first fixing plate (19) is installed on the upper top surface of the steel beam (1), the first fixing plate (19) is formed by punching a second fixing plate (20) at the end portion near one end of the driving shaft (4), and the edge of the upper end of the radial driving box (8) is inserted between the second fixing plate (20) and the inner wall of the steel beam (1) with a gap.
5. The mounting and butting structure for the beam and the column in the assembly type building according to claim 1, wherein a first screw hole (151) is formed in the radial positioning seat (15) in a penetrating manner, a second screw hole (111) corresponding to the first screw hole (151) is formed in the radial positioning sliding block (11) in a penetrating manner, and the first screw hole (151) is connected with the second screw hole (111) in a screwing manner through a screw rod (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911176458.1A CN110847359B (en) | 2019-11-26 | 2019-11-26 | Installation butt joint structure of roof beam and post in prefabricated building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911176458.1A CN110847359B (en) | 2019-11-26 | 2019-11-26 | Installation butt joint structure of roof beam and post in prefabricated building |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110847359A CN110847359A (en) | 2020-02-28 |
| CN110847359B true CN110847359B (en) | 2021-03-23 |
Family
ID=69605007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911176458.1A Active CN110847359B (en) | 2019-11-26 | 2019-11-26 | Installation butt joint structure of roof beam and post in prefabricated building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110847359B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111851739B (en) * | 2020-07-31 | 2021-12-24 | 湛江市高盛建筑工程有限公司 | Assembling method of building steel structure assembly type building |
| CN115977247B (en) * | 2022-12-20 | 2023-12-22 | 南通新华钢结构工程有限公司 | Steel beam convenient to install for building steel structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008184826A (en) * | 2007-01-30 | 2008-08-14 | Sumitomo Forestry Co Ltd | Base isolated building |
| CN108204041A (en) * | 2018-01-31 | 2018-06-26 | 盐城工业职业技术学院 | Construction steel structure attachment device and connection structure |
| CN209145004U (en) * | 2018-11-21 | 2019-07-23 | 吉林建筑大学 | A kind of steel building attachment device |
| CN209163213U (en) * | 2018-11-23 | 2019-07-26 | 青岛康太源建设集团有限公司 | A kind of assembled architecture wall truss structure |
| CN110387972A (en) * | 2019-07-31 | 2019-10-29 | 李北锋 | The prefabricated post and Prefabricated beam connection structure and method of a kind of assembled architecture frame structure |
| CN110485568A (en) * | 2019-08-24 | 2019-11-22 | 陕西建工第九建设集团有限公司 | A kind of construction steel structure support device |
-
2019
- 2019-11-26 CN CN201911176458.1A patent/CN110847359B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008184826A (en) * | 2007-01-30 | 2008-08-14 | Sumitomo Forestry Co Ltd | Base isolated building |
| CN108204041A (en) * | 2018-01-31 | 2018-06-26 | 盐城工业职业技术学院 | Construction steel structure attachment device and connection structure |
| CN209145004U (en) * | 2018-11-21 | 2019-07-23 | 吉林建筑大学 | A kind of steel building attachment device |
| CN209163213U (en) * | 2018-11-23 | 2019-07-26 | 青岛康太源建设集团有限公司 | A kind of assembled architecture wall truss structure |
| CN110387972A (en) * | 2019-07-31 | 2019-10-29 | 李北锋 | The prefabricated post and Prefabricated beam connection structure and method of a kind of assembled architecture frame structure |
| CN110485568A (en) * | 2019-08-24 | 2019-11-22 | 陕西建工第九建设集团有限公司 | A kind of construction steel structure support device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110847359A (en) | 2020-02-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110847359B (en) | Installation butt joint structure of roof beam and post in prefabricated building | |
| CN209817093U (en) | Concatenation formula steel house room | |
| CN111677115A (en) | H-shaped steel beam and H-shaped steel column strong shaft assembled node and construction method | |
| CN111677126A (en) | H-shaped steel column and base assembly type node and construction method | |
| CN113718950A (en) | Novel rapid Assembly formula beam column nodal connection structure | |
| CN210597866U (en) | Steel construction assembled wallboard | |
| JP4309802B2 (en) | Reinforcement structure with welded L-shaped material to reinforce the hollow steel tube tower | |
| CN110984377B (en) | Assembled structure between top steel column and steel beam | |
| CN110952662B (en) | Connecting structure of multi-limb lattice type special-shaped column head and steel beam | |
| CN201280369Y (en) | Brake of elevator | |
| CN111636565B (en) | Beam column connecting node of prefabricated building | |
| CN111005449B (en) | Connecting structure between steel column and high-rise truss girder | |
| CN112982665B (en) | Assembled steel structure node component and using method thereof | |
| CN1249323C (en) | Fixing arrangement for blade registers | |
| CN110984374B (en) | Special-shaped column beam column joint structure | |
| JP2018076649A (en) | Leg part joint structure | |
| CN110984399A (en) | Connection structure of assembled steel column and girder steel | |
| CN220014021U (en) | Assembled beam column node | |
| CN219528153U (en) | Assembled steel structure crossbeam | |
| CN110939215A (en) | Horizontal connecting structure for assembled wall | |
| CN221388445U (en) | Automatic punching device | |
| CN220814246U (en) | Girder steel component with direction limit structure | |
| CN221345873U (en) | Steel structure connecting piece | |
| CN215889770U (en) | Assembled window that wafts | |
| CN221702710U (en) | Connecting component is assembled in steel house |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |