CN113700216A - Superstrong withstand voltage girder steel - Google Patents
Superstrong withstand voltage girder steel Download PDFInfo
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- CN113700216A CN113700216A CN202111058237.1A CN202111058237A CN113700216A CN 113700216 A CN113700216 A CN 113700216A CN 202111058237 A CN202111058237 A CN 202111058237A CN 113700216 A CN113700216 A CN 113700216A
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- steel beam
- steel
- main body
- girder
- main part
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 145
- 239000010959 steel Substances 0.000 title claims abstract description 145
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 238000005728 strengthening Methods 0.000 claims description 7
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
- E04C3/07—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web at least partly of bent or otherwise deformed strip- or sheet-like material
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0408—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section
- E04C2003/0413—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts
- E04C2003/0417—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by assembly or the cross-section being built up from several parts demountable
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0426—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section
- E04C2003/043—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by material distribution in cross section the hollow cross-section comprising at least one enclosed cavity
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
- E04C2003/0465—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section square- or rectangular-shaped
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention provides an ultra-strong pressure-resistant steel beam, which relates to the technical field of steel structure buildings and comprises a steel beam main body, wherein supporting pieces are inserted into the inner side of the top of the steel beam main body in a splicing manner, two clamping grooves are symmetrically formed in the inner side of the top of the steel beam main body, two side supports are symmetrically stamped and formed in the inner side of the steel beam main body, the tops of the side supports are clamped with the inner sides of the clamping grooves, a plurality of anti-support pieces are fixedly mounted at the bottom of the steel beam main body, two bolts are symmetrically inserted into two sides of each anti-support piece, and the tops of the bolts are inserted into the bottom of the steel beam main body in a splicing manner. According to the invention, the steel beam main body is formed by positioning and stamping the plate-shaped steel, the steel beam is integrally manufactured, the integral structural strength of the steel beam can be improved, the outer side of the bottom of the plate-shaped steel is stamped and folded towards the inner top, so that two symmetrical side supports are formed on the outer side of the plate-shaped steel, and the top of the steel beam main body can be supported by the side supports, so that the pressure resistance of the steel beam main body is enhanced.
Description
Technical Field
The invention relates to the technical field of steel structure buildings, in particular to a super-strong pressure-resistant steel beam.
Background
With the development of construction technology, assembly type buildings are gradually known, and the assembly type buildings refer to buildings which are assembled and installed on site in a reliable connection mode by transferring a large amount of field operation work in a traditional construction mode to a factory, processing and manufacturing building components and fittings in the factory, and transporting the building components and fittings to a building construction site.
In the prior art, for example, Chinese patent numbers are: the super-strong pressure-resistant steel beam of CN2228506Y comprises a reinforcing rib arranged on the supporting side surface of the steel beam, the reinforcing rib is recessed on the outer surface of the supporting side surface, the reinforcing rib is vertical and linear, the pressure-resistant strength of the super-strong pressure-resistant steel beam is increased by several times for the same material, and the super-strong pressure-resistant steel beam is not easy to deform and distort in the practical process, and can be used for erecting roofs of precast house structures, crane walking beams, carriage bottom beams, car beams, steel frames and the like.
However, in the prior art, the bottom of the structural steel beam is arranged to be hollow, after the bottom of the steel beam is stressed by a building structure, the steel structures on two sides of the top of the steel beam are easy to deform due to stress, so that the steel plate at the bottom of the steel beam is pulled outwards, the structural stability of the whole steel beam is damaged, and the bearing performance of the steel beam is greatly reduced.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, when the inner side of the bottom of a structural steel beam is arranged to be hollow, and after the bottom of the steel beam is pressed by a building structure, the steel structures on two sides of the top of the steel beam are easy to deform due to the pressing, so that the steel plates on the bottom of the steel beam are pulled outwards, the structural stability of the whole steel beam is damaged, and the bearing performance of the steel beam is greatly reduced.
In order to achieve the purpose, the invention adopts the following technical scheme: a super-strong pressure-resistant steel beam comprises a steel beam main body, wherein a supporting piece is inserted into the inner side of the top of the steel beam main body, two clamping grooves are symmetrically arranged on the inner side of the top of the steel beam main body, and the inner side of the steel beam main body is symmetrically punched and formed with two side supports, the top parts of the side supports are clamped with the inner sides of the clamping grooves, a plurality of anti-support members are fixedly arranged at the bottom of the steel beam main body, two bolts are symmetrically inserted and connected at two sides of each anti-support member, the top of the bolt is inserted with the bottom of the steel beam main body, a plurality of limiting pieces are uniformly inserted with the bottom of the steel beam main body, each limiting piece comprises a double-end threaded rod, the bottom of the steel beam main body is inserted with the outer side of the double-end threaded rod, and the two sides of the double-end threaded rod are respectively sleeved with a partition plate, one side of each partition plate is movably provided with a nut, and the inner side of each nut is in threaded connection with the outer side of the double-end threaded rod.
Preferably, the top of the steel beam main body is uniformly and fixedly connected with a plurality of transverse reinforcing ribs, and the axle center of each transverse reinforcing rib is spliced with a longitudinal reinforcing rib.
Preferably, the bilateral symmetry fixedly connected with of girder steel main part supports the strengthening rib a plurality of, and the both sides bottom of girder steel main part runs through and has seted up a plurality of mounting grooves.
Preferably, a plurality of jacks are uniformly formed in the bottom of the steel beam main body in a penetrating mode, and the inner side of each jack is connected with the outer side of the double-end threaded rod in an inserting mode.
Preferably, support piece includes the mobile jib, the bottom symmetry fixedly connected with two faggings of mobile jib, and the bottom outside of fagging and one side joint of side brace.
Preferably, a top groove is formed in the top of the inner side of the steel beam main body, and the inner side of the bottom of the top groove is connected with the top of the main rod in a clamping mode.
Preferably, the bottom of the longitudinal reinforcing rib is fixedly connected with the top of the steel beam main body, and a plurality of connecting holes are formed in the top of the steel beam main body in a penetrating mode.
Compared with the prior art, the invention has the advantages and positive effects that,
1. according to the invention, through the arranged steel beam main body, the steel beam main body is formed by positioning and stamping the plate-shaped steel, the steel beam is integrally manufactured, the integral structural strength of the steel beam can be improved, the outer side of the bottom of the plate-shaped steel is stamped and folded towards the inner top, so that two symmetrical side supports are formed on the outer side of the plate-shaped steel, and the top of the steel beam main body can be supported by the side supports, so that the pressure resistance of the steel beam main body is enhanced.
2. According to the invention, the anti-support piece at the bottom of the steel beam main body and the transverse splicing fastening limiting piece are arranged to fasten and clamp the outward-stretching of the steel beam main body, so that the bottom structure of the steel beam main body is prevented from being extruded and deformed outwards when the steel beam main body is pressed, and the pressure resistance of the steel beam is improved.
3. According to the invention, the supporting pieces can prevent the supporting plates from being deformed under pressure, the structural integrity of the steel beam main body is kept, and the steel beam can be stressed more uniformly under the action of force transmission, so that the steel beam is prevented from being broken due to overlarge stress on part of the steel beam, and the service life of the steel beam is prolonged.
Drawings
Fig. 1 is a schematic perspective view of a super-strong pressure-resistant steel beam according to the present invention;
FIG. 2 is a schematic structural view of the bottom of a super-strong pressure-resistant steel beam according to the present invention;
FIG. 3 is a schematic structural view of a super-strong pressure-resistant steel beam according to the present invention;
FIG. 4 is a schematic perspective view of a steel beam body of a super-strong pressure-resistant steel beam according to the present invention;
FIG. 5 is a schematic structural view of a super-strong pressure-resistant steel beam support according to the present invention;
fig. 6 is a schematic cross-sectional view of a steel beam main body of a super-strong pressure-resistant steel beam according to the present invention.
Illustration of the drawings: 1. a steel beam body; 2. a support member; 16. a card slot; 18. side bracing; 4. a support prevention member; 40. a bolt; 3. a limiting member; 30. a double-ended threaded rod; 32. a partition plate; 31. a nut; 11. transverse reinforcing ribs; 12. longitudinal reinforcing ribs; 10. supporting reinforcing ribs; 13. mounting grooves; 15. a jack; 20. a main rod; 21. a supporting plate; 17. a top groove; 14. and connecting the holes.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Embodiment 1, as shown in fig. 1 to 6, the present invention provides a super-strong pressure-resistant steel beam, including a steel beam main body 1, and a support member 2 inserted into an inner side of a top of the steel beam main body 1.
The concrete arrangement and function of the steel beam body 1 and the supporting member 2 will be described below.
As shown in fig. 1, 2, 3, 4 and 6, two clamping grooves 16 are symmetrically formed on the inner side of the top of the steel beam main body 1, two side supports 18 are symmetrically stamped on the inner side of the steel beam main body 1, the top of each side support 18 is clamped with the inner side of each clamping groove 16, a plurality of support preventing members 4 are fixedly installed at the bottom of the steel beam main body 1, two bolts 40 are symmetrically inserted into two sides of each support preventing member 4, the top of each bolt 40 is inserted into the bottom of the steel beam main body 1, a plurality of limiting members 3 are uniformly inserted into the bottom of the steel beam main body 1, each limiting member 3 comprises a double-end threaded rod 30, the bottom of the steel beam main body 1 is inserted into the outer side of the double-end threaded rod 30, partition plates 32 are sleeved on two sides of the double-end threaded rod 30, nuts 31 are movably installed on one side of each partition plate 32, the inner sides of the nuts 31 are in threaded connection with the outer sides of the double-end threaded rods 30, a plurality of transverse reinforcing ribs 11 are uniformly and fixedly connected to the top of the steel beam main body 1, the axle center department of horizontal strengthening rib 11 is pegged graft and is had vertical strengthening rib 12, a plurality of support strengthening ribs 10 of the bilateral symmetry fixedly connected with of girder steel main part 1, and the both sides bottom of girder steel main part 1 runs through and has seted up a plurality of mounting grooves 13, a plurality of jacks 15 have evenly been run through and have been seted up in the bottom of girder steel main part 1, and the inboard of every jack 15 is pegged graft with the outside of bi-polar head screw rod 30, the bottom of vertical strengthening rib 12 and the top fixed connection of girder steel main part 1, a plurality of connecting holes 14 have been seted up in the top of girder steel main part 1 through.
The whole steel beam main body 1 has the effects that the steel beam main body 1 is formed by positioning and stamping plate-shaped steel, the steel beam is integrally manufactured, the integral structural strength of the steel beam can be ensured, when the integral steel beam main body 1 is stamped, the outer side of the bottom of the plate-shaped steel is stamped and folded towards the inner side and the top of the bottom of the plate-shaped steel, so that two symmetrical side supports 18 are formed on the outer side of the plate-shaped steel, the side supports 18 are inserted into clamping grooves 16 formed in the inner side of the top of the steel beam main body 1, the top of the side supports 18 is limited, the side supports 18 can support the top of the steel beam main body 1, the pressure resistance of the steel beam main body 1 is enhanced, meanwhile, the external tension of the steel beam main body 1 is fastened and clamped by matching with the supporting prevention parts 4 at the bottom of the steel beam main body 1 and the limiting parts 3 which are transversely inserted and fastened, the longitudinal reinforcing ribs 12 and the transverse reinforcing ribs 11 which are fixedly connected with the top of the steel beam main body 1 are prevented from being pressed, can make 1 top pressurized of girder steel main part more even, avoid the top of girder steel main part 1 partly too big and damage girder steel main part 1 of pressure that receives.
As shown in fig. 1, 3, 5 and 6, the support member 2 includes a main rod 20, two supporting plates 21 are symmetrically and fixedly connected to the bottom of the main rod 20, the outer sides of the bottoms of the supporting plates 21 are clamped with one side of a side support 18, a top groove 17 is formed in the top of the inner side of the steel beam main body 1, and the inner side of the bottom of the top groove 17 is clamped with the top of the main rod 20.
The effect that its whole support piece 2 reached does, when the top of girder steel main part 1 is pressurized, can prop 18 inboard extrusion deformation with two sides, and there is fagging 21 in one side joint of side brace 18, fagging 21 and mobile jib 20 cooperate jointly, can not only prevent fagging 21 deformation, thereby strengthen girder steel main part 1's compressive property, can also pass through the transmission effect of power, make this girder steel atress more uniformly, avoid girder steel part structure to damage because of the atress is too big, the life of girder steel has been prolonged.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (7)
1. The utility model provides a superstrong withstand voltage girder steel, includes the girder steel main part, its characterized in that: the utility model discloses a steel beam, including girder steel main part, two lateral braces, locating part, two locating parts, two locating grooves, two bolts, baffle, nut, two locating parts, two locating bolts, two locating parts, two locating plates, two locating parts, two clamping grooves, two lateral symmetrical stamping and forming of girder steel main part, the inboard symmetry of girder steel main part has seted up two clamping grooves, and the inboard symmetrical stamping forming of girder steel main part has two lateral braces, and the top of bolt is pegged graft with the bottom of girder steel main part, the bottom of girder steel main part is evenly pegged graft and is had a plurality of locating parts, every locating part all has cup jointed the baffle, one side movable mounting of baffle has the nut, and the outside threaded connection of two locating parts.
2. The super pressure-resistant steel girder according to claim 1, wherein: the top of the steel beam main body is uniformly and fixedly connected with a plurality of transverse reinforcing ribs, and the axis of each transverse reinforcing rib is spliced with a longitudinal reinforcing rib.
3. The super pressure-resistant steel girder according to claim 1, wherein: the bilateral symmetry fixedly connected with of girder steel main part supports the strengthening rib a plurality of, and runs through the both sides bottom of girder steel main part and has seted up a plurality of mounting grooves.
4. The super pressure-resistant steel girder according to claim 1, wherein: a plurality of jacks are uniformly formed in the bottom of the steel beam main body in a penetrating mode, and the inner side of each jack is connected with the outer side of the double-end threaded rod in an inserting mode.
5. The super pressure-resistant steel girder according to claim 1, wherein: the support piece comprises a main rod, wherein the bottom of the main rod is symmetrically and fixedly connected with two supporting plates, and the outer side of the bottom of each supporting plate is connected with one side of a side support in a clamping mode.
6. The super pressure-resistant steel girder according to claim 5, wherein: the top groove is formed in the top of the inner side of the steel beam main body, and the inner side of the bottom of the top groove is connected with the top of the main rod in a clamped mode.
7. The super pressure-resistant steel girder according to claim 2, wherein: the bottom of vertical strengthening rib and the top fixed connection of girder steel main part, a plurality of connecting holes have been seted up in the top of girder steel main part through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111058237.1A CN113700216A (en) | 2021-09-09 | 2021-09-09 | Superstrong withstand voltage girder steel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111058237.1A CN113700216A (en) | 2021-09-09 | 2021-09-09 | Superstrong withstand voltage girder steel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113700216A true CN113700216A (en) | 2021-11-26 |
Family
ID=78659785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111058237.1A Pending CN113700216A (en) | 2021-09-09 | 2021-09-09 | Superstrong withstand voltage girder steel |
Country Status (1)
| Country | Link |
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| CN (1) | CN113700216A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060030834A (en) * | 2004-10-06 | 2006-04-11 | 이창남 | Tsc beam formed with bottle neck top flange |
| EP1953301A2 (en) * | 2007-02-05 | 2008-08-06 | Anne Pieter Van Driesum | Method for reinforcing a steel beam and steel beam obtained via this method |
| US20130017407A1 (en) * | 2006-05-18 | 2013-01-17 | Sur-Stud Structural Technology Inc. | Light steel structural member and method of making same |
| CN203718366U (en) * | 2014-03-06 | 2014-07-16 | 浙江保利钢能源科技有限公司 | Sectional material |
| CN207110238U (en) * | 2017-06-09 | 2018-03-16 | 福建荣盛钢结构实业有限公司 | A kind of modified form drum steel structure column |
| CN210507822U (en) * | 2019-08-19 | 2020-05-12 | 王莹 | Modularization building wall and heavy steel beam connection structure |
| CN210622106U (en) * | 2019-09-16 | 2020-05-26 | 惠州市丰源钢结构有限公司 | Anti-seismic C-shaped steel component |
| CN211450312U (en) * | 2019-11-21 | 2020-09-08 | 江苏辉鹏成套设备科技有限公司 | High-strength C-shaped steel with ribs and teeth |
-
2021
- 2021-09-09 CN CN202111058237.1A patent/CN113700216A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060030834A (en) * | 2004-10-06 | 2006-04-11 | 이창남 | Tsc beam formed with bottle neck top flange |
| US20130017407A1 (en) * | 2006-05-18 | 2013-01-17 | Sur-Stud Structural Technology Inc. | Light steel structural member and method of making same |
| EP1953301A2 (en) * | 2007-02-05 | 2008-08-06 | Anne Pieter Van Driesum | Method for reinforcing a steel beam and steel beam obtained via this method |
| CN203718366U (en) * | 2014-03-06 | 2014-07-16 | 浙江保利钢能源科技有限公司 | Sectional material |
| CN207110238U (en) * | 2017-06-09 | 2018-03-16 | 福建荣盛钢结构实业有限公司 | A kind of modified form drum steel structure column |
| CN210507822U (en) * | 2019-08-19 | 2020-05-12 | 王莹 | Modularization building wall and heavy steel beam connection structure |
| CN210622106U (en) * | 2019-09-16 | 2020-05-26 | 惠州市丰源钢结构有限公司 | Anti-seismic C-shaped steel component |
| CN211450312U (en) * | 2019-11-21 | 2020-09-08 | 江苏辉鹏成套设备科技有限公司 | High-strength C-shaped steel with ribs and teeth |
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Application publication date: 20211126 |
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