CN113944687A - Composite channel steel assembly - Google Patents
Composite channel steel assembly Download PDFInfo
- Publication number
- CN113944687A CN113944687A CN202010686260.4A CN202010686260A CN113944687A CN 113944687 A CN113944687 A CN 113944687A CN 202010686260 A CN202010686260 A CN 202010686260A CN 113944687 A CN113944687 A CN 113944687A
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- channel
- channel steel
- steel
- web
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 139
- 239000010959 steel Substances 0.000 title claims abstract description 139
- 239000002131 composite material Substances 0.000 title claims abstract description 26
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 21
- 239000004744 fabric Substances 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims 2
- 239000003365 glass fiber Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 6
- 229920000049 Carbon (fiber) Polymers 0.000 abstract description 4
- 239000004917 carbon fiber Substances 0.000 abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/14—Layered products comprising a layer of metal next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/101—Glass fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention relates to a composite channel steel assembly which comprises a first channel steel, a second channel steel and a connecting piece for connecting the first channel steel and the second channel steel, wherein the first channel steel and the second channel steel are both composite channel steel, the composite channel steel comprises a channel steel body and a reinforcing core arranged in the channel steel body, the reinforcing core is stuffed in the channel steel body along the length direction and sealed by welding, the reinforcing core is formed by bonding, fixing and pressing multiple layers of carbon fiber cloth and glass fiber cloth, and the carbon fiber cloth and the glass fiber cloth are arranged in a staggered and overlapped mode. The invention has unique structure, can greatly improve the convenience and flexibility of channel steel installation, and improves the toughness and the buffering performance of the component compared with common steel materials.
Description
Technical Field
The invention relates to the technical field of steel structures, in particular to a composite channel steel assembly.
Background
The channel steel is a long steel bar with a groove-shaped section, belongs to carbon structural steel for construction and machinery, and is a steel bar with a complex section, and the section of the channel steel is in a groove shape. The channel steel is mainly used for building structures, curtain wall engineering, mechanical equipment, vehicle manufacturing and the like, and can be divided into 4 types according to the shape, namely cold-bent equilateral channel steel, cold-bent unequal-side channel steel, cold-bent inward-curled channel steel and cold-bent outward-curled channel steel, wherein the C-shaped channel steel in the cold-bent equilateral channel steel has the advantages of fixed structure, single connection mode, narrow adaptation range, smaller buffer space under the action of external ultimate pressure, no buffer space, rigidity, easiness in bending and high risk, and because the channel steel is generally used in places with difficult installation, the installation angle is frequently adjusted along with the actual situation, the existing C-shaped channel steel with fixed structure obviously cannot well meet the requirements, therefore, the invention aims to improve the traditional C-shaped channel steel to obtain a composite channel steel assembly which can be flexibly installed, has certain self-buffering capacity and better toughness, to better meet the actual need.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a composite channel steel assembly to solve the above problems in the background art.
The technical problem solved by the invention is realized by adopting the following technical scheme:
the utility model provides a composite channel steel assembly, includes first channel-section steel, second channel-section steel and is used for connecting the connecting piece of first channel-section steel and second channel-section steel, first channel-section steel and second channel-section steel are composite channel-section steel, and composite channel-section steel includes the channel-section steel body and sets up in this internal reinforcing core of channel-section steel, the reinforcing core pack along length direction in the channel-section steel body is inside and through welded seal, the reinforcing core is formed by multilayer carbon cloth and the pressfitting of glass fiber cloth bonding, and carbon cloth and the crisscross stack setting of glass fiber cloth.
Further, the mass ratio of the reinforcing core to the channel steel body is 10-15: 100.
Furthermore, the first channel steel and the second channel steel are C-shaped channel steel formed by a web plate and two side plates, each connecting piece comprises a first connecting piece and a second connecting piece, a plurality of first connecting pieces are arranged on the inner side of the web plate of the first channel steel at intervals along the length extending direction, each first connecting piece comprises a first connecting column, and the first connecting columns are connected with the web plate of the first channel steel through elastic pieces; the inner side of the web plate of the second channel steel is provided with a plurality of second connecting pieces at intervals along the length extending direction, the positions of the second connecting pieces correspond to the positions of the first connecting pieces, each second connecting piece comprises a second connecting column, and the second connecting columns are connected with the web plate of the second channel steel through elastic pieces; the first connecting column and the second connecting column are rotatably connected.
Further, the rotation range of first spliced pole and second spliced pole is 0 ~ 30.
Further, first spliced pole end is provided with C shape and holds the groove, and the groove opening orientation is held to C shape the second spliced pole, second spliced pole end is provided with spherical structure, spherical structure hold in C shape holds the inslot and can follow the rotation of C shape holding groove.
Further, the first connecting column is perpendicular to the web of the first channel steel, and the second connecting column is perpendicular to the web of the second channel steel.
Furthermore, the one end that first spliced pole is close to web on the first channel-section steel is provided with first base, first base with web passes through on the first channel-section steel the elastic component is connected, first base with first spliced pole integrated into one piece, and first base with the junction of first spliced pole is provided with the rib, and the rib certainly first base toward its cross sectional area of first spliced pole department diminishes in proper order.
Further, the second spliced pole is close to the one end of web on the second channel-section steel is provided with the second base, the second base with web on the second channel-section steel passes through elastic component connects, the second base with second spliced pole integrated into one piece, and the second base with the junction of second spliced pole is provided with the rib, and the rib certainly the second base toward its cross sectional area of second spliced pole department steadily decreases in proper order.
Further, be provided with first connecting plate between the web of first channel-section steel and the elastic component that corresponds, first connecting plate with the inboard welded fastening of web of first channel-section steel is provided with the second connecting plate between the web of second channel-section steel and the elastic component that corresponds, the second connecting plate with the inboard welded fastening of web of second channel-section steel, the elastic component with first connecting plate or second connecting plate fixed connection.
Further, the elastic member is an elastic column or a truncated cone spiral spring.
Has the advantages that: according to the composite channel steel assembly, the structure of the channel steel bodies of the first channel steel and the second channel steel is improved, so that the channel steel has better toughness and overall strength, the flexible installation requirement can be met, the structure can be flexibly installed on two planes with the same included angle, and meanwhile, due to the arrangement of the rotating structure, the shearing force under the action of torque can be rapidly dispersed, so that the first channel steel and the second channel steel are connected very stably and cannot be damaged due to overlarge lateral torsion. In addition, the elastic part structure in the invention can play a good elastic deformation effect, and even if the elastic part structure is subjected to external extreme pressure, the channel steel component still has certain elastic deformation space or buffering time, so that the phenomenon of instant crack is reduced, and the safety degree is higher.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention.
Wherein: 1. a first channel steel; 2. a second channel steel; 3. a first connecting column; 4. a second connecting column; 5. a C-shaped accommodating groove; 6. a first base; 7. a first connecting plate; 8. an elastic member; 9. a spherical structure; 10. a second base; 11. a second connecting plate; 12. the core is reinforced.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
The embodiment relates to a channel steel assembly convenient to adjust installation angle, as shown in fig. 1, the channel steel assembly comprises a first channel steel 1 and a second channel steel 2, the first channel steel 1 and the second channel steel 2 are connected through a connecting piece, in the embodiment, the first channel steel 1 and the second channel steel 2 are composite channel steel, the composite channel steel comprises a channel steel body and a reinforcing core 12 arranged in the channel steel body, the mass ratio of the reinforcing core 12 to the channel steel body is 15:100, the reinforcing core 12 is filled in the channel steel body and sealed through welding, the reinforcing core is formed by bonding, fixing and pressing multiple layers of carbon fiber cloth and glass fiber cloth, and the carbon fiber cloth and the glass fiber cloth are arranged in a staggered and superposed mode.
The connecting piece includes first connecting piece and second connecting piece, first channel-section steel 1 and second channel-section steel 2 are the C shape channel-section steel that comprises web and both sides board, first channel-section steel 1's web inboard is provided with a plurality of first connecting pieces along length extending direction interval, first connecting piece includes first bumping post 3, first bumping post 3 passes through elastic component 8 with first channel-section steel 1's web and is connected, the one end that first bumping post 3 is close to first channel-section steel 1 and goes up the web is provided with first base 6, first base 6 passes through elastic component 8 with first channel-section steel 1 and is connected, first base 6 and 3 integrated into one piece of first bumping post, and first base 6 is provided with the rib with the junction of first bumping post 3, the rib is progressively decreased toward its cross sectional area of first bumping post 3 department from first base 6 in proper order.
A plurality of second connecting pieces are arranged at intervals on the inner side of the web plate of the second channel steel 2 along the length extending direction, the positions of the second connecting pieces correspond to the positions of the first connecting pieces, each second connecting piece comprises a second connecting column 4, and the second connecting columns 4 are connected with the web plate of the second channel steel 2 through elastic pieces 8; one end of the second connecting column 4 close to the web on the second channel steel 2 is provided with a second base 10, the web on the second base 10 and the second channel steel 2 is connected through an elastic part 8, the second base 10 and the second connecting column 4 are integrally formed, a reinforcing part is also arranged at the joint of the second base 10 and the second connecting column 4, and the reinforcing part is gradually decreased from the second base 10 to the cross-sectional area of the second connecting column 4.
In this embodiment, first spliced pole 3 is perpendicular with first channel-section steel 1's web, second spliced pole 4 is perpendicular with second channel-section steel 2's web, and first spliced pole 3 and second spliced pole 4 rotate to be connected, and its rotation range is 0 ~ 30, thereby the application scope of installation is wider, and is concrete, 3 ends of first spliced pole are provided with the C shape and hold groove 5, 5 openings in groove are held to the C shape towards second spliced pole 4, 4 ends of second spliced pole are provided with spherical structure 9, spherical structure 9 holds and can follow the C shape and hold the rotation of groove 5 in groove 5 is held to the C shape.
In this embodiment, be provided with first connecting plate 7 between the web of first channel-section steel 1 and the elastic component 8 that corresponds, the inboard welded fastening of web of first connecting plate 7 and first channel-section steel 1, be provided with second connecting plate 11 between the web of second channel-section steel 2 and the elastic component 8 that corresponds, the inboard welded fastening of web of second connecting plate 11 and second channel-section steel 2, elastic component 8 and first connecting plate 7 or 11 fixed connection of second connecting plate, in this embodiment, elastic component 8 is the elastic column, elastic component 8 also can be replaced with truncated cone volute spiral spring, truncated cone volute spiral spring has better load, deformability is strong, thereby make whole channel-section steel subassembly have better buffer space, whole temper obtains very big promotion.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a composite channel steel assembly, its characterized in that includes first channel-section steel, second channel-section steel and is used for connecting the connecting piece of first channel-section steel and second channel-section steel, first channel-section steel and second channel-section steel are composite channel-section steel, and composite channel-section steel includes the channel-section steel body and sets up in this internal reinforcing core of channel-section steel, the reinforcing core pack along length direction in the channel-section steel body is inside and through welded seal, the reinforcing core is bonded fixedly and the pressfitting forms by multilayer carbon cloth and glass cloth, and carbon cloth and the crisscross stack setting of glass cloth.
2. The composite channel steel assembly as claimed in claim 1, wherein the mass ratio of the reinforcing core to the channel steel body is 10-15: 100.
3. The composite channel steel assembly as claimed in claim 1 or 2, wherein the first channel steel and the second channel steel are C-shaped channel steel consisting of a web plate and two side plates, the connecting member comprises a first connecting member and a second connecting member, a plurality of first connecting members are arranged at intervals along the length extending direction on the inner side of the web plate of the first channel steel, the first connecting members comprise first connecting columns, and the first connecting columns are connected with the web plate of the first channel steel through elastic members; the inner side of the web plate of the second channel steel is provided with a plurality of second connecting pieces at intervals along the length extending direction, the positions of the second connecting pieces correspond to the positions of the first connecting pieces, each second connecting piece comprises a second connecting column, and the second connecting columns are connected with the web plate of the second channel steel through elastic pieces; the first connecting column and the second connecting column are rotatably connected.
4. The composite channel assembly as recited in claim 3, wherein the first and second connecting posts have a range of rotation of 0-30 °.
5. The composite channel assembly as recited in claim 3, wherein the first connector post end is provided with a C-shaped receiving slot opening toward the second connector post, the second connector post end being provided with a spherical structure received in and rotatable along the C-shaped receiving slot.
6. The composite channel assembly of claim 3, wherein the first connection post is perpendicular to the web of the first channel and the second connection post is perpendicular to the web of the second channel.
7. The composite channel steel assembly as claimed in claim 3, wherein a first base is disposed at one end of the first connecting column close to the web of the first channel steel, the first base and the web of the first channel steel are connected through the elastic member, the first base and the first connecting column are integrally formed, a reinforcing portion is disposed at a connection portion of the first base and the first connecting column, and the sectional area of the reinforcing portion decreases from the first base to the first connecting column.
8. The composite channel steel assembly as claimed in claim 3, wherein a second base is disposed at one end of the second connecting column close to the web of the second channel steel, the second base is connected with the web of the second channel steel through the elastic member, the second base and the second connecting column are integrally formed, a reinforcing portion is disposed at a connection portion of the second base and the second connecting column, and the sectional area of the reinforcing portion decreases gradually from the second base to the second connecting column.
9. The composite channel steel assembly as claimed in claim 8, wherein a first connecting plate is arranged between the web of the first channel steel and the corresponding elastic member, the first connecting plate is welded and fixed to the inner side of the web of the first channel steel, a second connecting plate is arranged between the web of the second channel steel and the corresponding elastic member, the second connecting plate is welded and fixed to the inner side of the web of the second channel steel, and the elastic member is fixedly connected with the first connecting plate or the second connecting plate.
10. The composite channel assembly as claimed in claim 3, wherein the resilient member is a resilient post or a frusto-conical spiral spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686260.4A CN113944687A (en) | 2020-07-16 | 2020-07-16 | Composite channel steel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010686260.4A CN113944687A (en) | 2020-07-16 | 2020-07-16 | Composite channel steel assembly |
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| Publication Number | Publication Date |
|---|---|
| CN113944687A true CN113944687A (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010686260.4A Pending CN113944687A (en) | 2020-07-16 | 2020-07-16 | Composite channel steel assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944867A (en) * | 2020-07-16 | 2022-01-18 | 桃源县平安机械设备制造有限公司 | Channel-section steel subassembly convenient to adjust installation angle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08151692A (en) * | 1994-11-30 | 1996-06-11 | Sekisui Chem Co Ltd | Connecting method of channel steel and connecting method of panel for building using this channel steel connecting method |
| JP2015117830A (en) * | 2013-11-15 | 2015-06-25 | 日新製鋼株式会社 | Manufacturing method of vacuum insulation panel |
| CN105252843A (en) * | 2015-10-23 | 2016-01-20 | 湖南三泰新材料股份有限公司 | Stainless steel-carbon steel doublemetal channel steel and composite molding technology thereof |
| CN106322096A (en) * | 2016-08-30 | 2017-01-11 | 湖北立晋钢铁集团有限公司 | Angle steel |
| CN210344026U (en) * | 2019-08-12 | 2020-04-17 | 马鞍山瑞马钢构材料有限公司 | Universal ball-hinged section steel connecting device |
| CN113944867A (en) * | 2020-07-16 | 2022-01-18 | 桃源县平安机械设备制造有限公司 | Channel-section steel subassembly convenient to adjust installation angle |
-
2020
- 2020-07-16 CN CN202010686260.4A patent/CN113944687A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08151692A (en) * | 1994-11-30 | 1996-06-11 | Sekisui Chem Co Ltd | Connecting method of channel steel and connecting method of panel for building using this channel steel connecting method |
| JP2015117830A (en) * | 2013-11-15 | 2015-06-25 | 日新製鋼株式会社 | Manufacturing method of vacuum insulation panel |
| CN105252843A (en) * | 2015-10-23 | 2016-01-20 | 湖南三泰新材料股份有限公司 | Stainless steel-carbon steel doublemetal channel steel and composite molding technology thereof |
| CN106322096A (en) * | 2016-08-30 | 2017-01-11 | 湖北立晋钢铁集团有限公司 | Angle steel |
| CN210344026U (en) * | 2019-08-12 | 2020-04-17 | 马鞍山瑞马钢构材料有限公司 | Universal ball-hinged section steel connecting device |
| CN113944867A (en) * | 2020-07-16 | 2022-01-18 | 桃源县平安机械设备制造有限公司 | Channel-section steel subassembly convenient to adjust installation angle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113944867A (en) * | 2020-07-16 | 2022-01-18 | 桃源县平安机械设备制造有限公司 | Channel-section steel subassembly convenient to adjust installation angle |
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