CN114991304A - Shock attenuation formula steel construction node structure - Google Patents
Shock attenuation formula steel construction node structure Download PDFInfo
- Publication number
- CN114991304A CN114991304A CN202210845836.6A CN202210845836A CN114991304A CN 114991304 A CN114991304 A CN 114991304A CN 202210845836 A CN202210845836 A CN 202210845836A CN 114991304 A CN114991304 A CN 114991304A
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- Prior art keywords
- plate
- bolt
- fixed
- lagging
- spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 71
- 239000010959 steel Substances 0.000 title claims abstract description 71
- 230000035939 shock Effects 0.000 title claims abstract description 20
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 6
- 238000013016 damping Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002444 silanisation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—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
- E04B2001/2418—Details of bolting
-
- 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
- E04B2001/2421—Socket type connectors
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)
- Springs (AREA)
Abstract
The invention discloses a shock absorption type steel structure node structure which comprises a fixing plate and a steel plate, wherein a splicing assembly and a driven shock absorption assembly are arranged on the right side of the fixing plate, the splicing assembly comprises a fixing rod, a sleeve plate, a fastener and a clamping piece, the fastener comprises a bolt, the bolt penetrates through the sleeve plate and is in threaded connection with the sleeve plate, one end, far away from the sleeve plate, of the bolt is penetrated through by a pull rod and is in sliding connection with the pull rod, a spring A is fixed on the inner wall of the bolt, one end, far away from the bolt, of the spring A is fixed with the pull rod, and one end, far away from the bolt, of the pull rod is fixed with the pull plate. Through the concatenation subassembly that sets up, after the threaded hole on the control bolt twists the steel sheet is fixed, the arm-tie can support and control the limiting plate on the clamp plate and carry the bolt for the bolt can not continue to rotate, and then avoids receiving when shaking when the steel sheet, and the bolt shakes thereupon, and then leads to the bolt not hard up, appears taking place between the steel construction and becomes flexible.
Description
Technical Field
The invention relates to the field of steel structures, in particular to a damping type steel structure node structure.
Background
Steel structures are structures composed of steel materials and are one of the main building structure types. The structure mainly comprises beam steel, steel columns, steel trusses and other members made of section steel, steel plates and the like, and rust removing and preventing processes such as silanization, pure manganese phosphating, washing drying, galvanization and the like are adopted. The components or parts are typically joined by welds, bolts or rivets. Because of its light dead weight, and construction is simple and convenient, widely apply to fields such as large-scale factory building, venue, superelevation layer.
Present factory building also adopts the steel construction mostly, and the steel construction node is when connecting, fixes through the bolt, when receiving external force to lead to the steel construction vibrations, can lead to being used for fixed bolt to take place not hard up, and then causes to take place to become flexible between the steel construction, and most all do not set up damper at the node, consequently when receiving great external force, the pressurized load of node rises, and the bolt is easy to be split in the node, for this reason we propose a shock attenuation formula steel construction node structure.
Disclosure of Invention
The invention mainly aims to provide a damping type steel structure node structure, which solves the problems in the background technology.
In order to achieve the above purpose, the shock absorption type steel structure node structure provided by the invention comprises a fixed plate and a steel plate, wherein a splicing assembly and a driven shock absorption assembly are arranged on the right side of the fixed plate, and the splicing assembly comprises:
the left side of the fixed rod is fixed on the right side of the fixed plate;
the right side of the fixed rod is hinged with the left side of the sleeve plate, and the right side of the sleeve plate is provided with a groove;
the sleeve plate is provided with a fastener;
the inside and the surface of lagging are provided with the card and die.
Optionally, the fastener includes a bolt, the bolt penetrates through the sleeve plate and is in threaded connection with the sleeve plate, one end of the bolt, which is far away from the sleeve plate, penetrates through the pull rod and is in sliding connection with the pull rod, and a spring a is fixed on the inner wall of the bolt.
Optionally, one end of the spring a, which is far away from the bolt, is fixed to a pull rod, and one end of the pull rod, which is far away from the bolt, is fixed to a pull plate.
Optionally, the card is dead including the clamp plate, one side that the clamp plate is close to the lagging is fixed with the loop bar, the loop bar run through the lagging and with lagging sliding connection, the one end that the clamp plate was kept away from to the loop bar is run through by the montant and with montant sliding connection, the montant is fixed on the inner wall of lagging, the one end that the loop bar is close to the montant is fixed with spring B.
Optionally, the one end that the loop bar was kept away from to spring B is fixed on the inner wall of lagging, the one end that the loop bar is close to the bolt articulates there is branch, the one end that the loop bar was kept away from to branch is articulated with the limiting plate, the limiting plate runs through the lagging and with lagging sliding connection.
Optionally, driven bradyseism subassembly includes the arc, the arc is fixed on the right side of fixed plate, the one end that the fixed plate was kept away from to the arc is run through and with support rod sliding connection by support rod, be fixed with spring C on the inner wall of arc, spring C keeps away from the one end of arc and is fixed with support rod.
Optionally, driven bradyseism subassembly is still including the mount, the inboard at lagging right side recess is fixed to the mount, the inboard slidable mounting of mount has the slide, one side that the slide is close to the bolt articulates there is the connecting rod, the one end that the slide was kept away from to the connecting rod runs through the mount and the lagging is articulated with the limiting plate, one side that the limiting plate was kept away from to the slide is fixed with the flexure strip.
Optionally, a triangular groove is formed in the surface of the steel plate.
Optionally, the pressing plate is provided with a through hole, and the surface of the steel plate is provided with a threaded hole.
Compared with the prior art, the invention has the following beneficial effects:
(1) this shock attenuation formula steel construction node structure, through the concatenation subassembly that sets up, after the threaded hole on the control bolt wrong income steel sheet is fixed the steel sheet, the arm-tie can support and control the limiting plate and clip the bolt on the clamp plate for the bolt can not continue to rotate, and then avoids when the steel sheet receives vibrations, and the bolt takes place vibrations thereupon, and then leads to the bolt not hard up, appears taking place between the steel construction not hard up.
(2) This shock attenuation formula steel construction node structure, through the driven bradyseism subassembly that sets up, when the lagging takes place the luffing motion with the dead lever articulated position, the lagging can support and promote on the support rod to compress spring C in the support rod retraction arc to play the effect of bradyseism.
(3) This shock attenuation formula steel construction node structure, through concatenation subassembly and the driven bradyseism subassembly that sets up, the flexure strip can insert and carry on spacingly to the steel sheet in the triangular groove on steel sheet surface, when taking place slight swing between steel sheet and the lagging, can extrude the flexure strip, further improves the effect of bradyseism under the elastic action of flexure strip self.
(4) This shock attenuation formula steel construction node structure when needs are dismantled the steel sheet, only needs the pulling arm-tie to remove to the one side of keeping away from the lagging, and the clamp plate is no longer being supported by the arm-tie, and then can control the limiting plate and no longer clip the bolt and carry on spacingly to the bolt to directly reversing the bolt can remove the fixed to the steel sheet, thereby the volume can take off the steel sheet.
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, 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 the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of the overall apparatus of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is an enlarged structural view A in FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of B in FIG. 2 according to the present invention;
FIG. 5 is an enlarged view of the structure C in FIG. 3 according to the present invention;
FIG. 6 is a cross-sectional front view of a fastener of the present invention.
The reference numbers indicate: 1. a fixing plate; 2. a steel plate; 3. splicing the components; 31. fixing the rod; 32. sheathing; 33. a fastener; 34. a clamping member; 331. a bolt; 332. a pull rod; 333. a spring A; 334. pulling a plate; 341. pressing a plate; 342. a loop bar; 343. a vertical rod; 344. a spring B; 345. a strut; 346. a limiting plate; 4. a driven cushioning assembly; 41. an arc-shaped plate; 42. a support rod; 43. a spring C; 44. a fixed mount; 45. a slide plate; 46. an elastic sheet; 47. a connecting rod.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1 to 6, the invention provides a damping steel structure node structure, which comprises a fixed plate 1 and a steel plate 2, wherein a splicing assembly 3 and a driven damping assembly 4 are arranged on the right side of the fixed plate 1.
In the embodiment of the present invention, the splicing assembly 3 includes a fixing rod 31, a left side of the fixing rod 31 is fixed on a right side of the fixing plate 1, a right side of the fixing rod 31 is hinged to a left side of a sleeve plate 32, a right side of the sleeve plate 32 is provided with a groove, the sleeve plate 32 is provided with a fastener 33, and the inner part and the surface of the sleeve plate 32 are provided with a locking piece 34.
Specifically, the splicing assembly 3 includes a fixing rod 31, a sleeve plate 32, a fastener 33 and a locking member 34, the fastener 33 includes a bolt 331, the bolt 331 penetrates through the sleeve plate 32 and is in threaded connection with the sleeve plate 32, one end of the bolt 331, which is far away from the sleeve plate 32, penetrates through a pull rod 332 and is in sliding connection with the pull rod 332, a spring a333 is fixed on an inner wall of the bolt 331, one end of the spring a333, which is far away from the bolt 331, is fixed with the pull rod 332, and one end of the pull rod 332, which is far away from the bolt 331, is fixed with the pull plate 334.
In an embodiment of the present invention, the locking member 34 includes a pressing plate 341, a sleeve rod 342 is fixed on a side of the pressing plate 341 close to the sleeve plate 32, the sleeve rod 342 penetrates through the sleeve plate 32 and is slidably connected to the sleeve plate 32, an end of the sleeve rod 342 far from the pressing plate 341 is penetrated through by a vertical rod 343 and is slidably connected to the vertical rod 343, the vertical rod 343 is fixed on an inner wall of the sleeve plate 32, an end of the sleeve rod 342 near the vertical rod 343 is fixed with a spring B344, an end of the spring B344 far from the sleeve rod 342 is fixed on an inner wall of the sleeve plate 32, an end of the sleeve rod 342 near the bolt 331 is hinged with a strut 345, an end of the strut 345 far from the sleeve rod 342 is hinged with a limiting plate 346, the limiting plate 346 penetrates through the sleeve plate 32 and is slidably connected to the sleeve plate 32, when the bolt 331 is tightened, the pulling plate 334 can push the pressing plate 341 to move to a side close to the sleeve plate 32, the pressing plate 341 moves together with the sleeve rod 342, the sleeve rod 342 pushes the limiting plate 346 to move to a side close to the bolt 331 through the strut 345, the limiting plate 346 can hold the bolt 331 tightly, so that the bolt 331 is limited, and the bolt 331 is not loosened due to vibration when the fixing device is used.
In this embodiment, driven bradyseism subassembly 4 includes arc 41, arc 41 is fixed on the right side of fixed plate 1, the one end that fixed plate 1 was kept away from to arc 41 is run through and with support rod 42 sliding connection by support rod 42, be fixed with spring C43 on the inner wall of arc 41, the one end that arc 41 was kept away from to spring C43 is fixed with support rod 42, when the jacket plate 32 with take place the luffing motion with dead lever 31 articulated position, jacket plate 32 can support and promote on support rod 42 and contract spring C43 in the arc 41 and compress, thereby play the effect of bradyseism.
In addition, driven bradyseism subassembly 4 is still including mount 44, mount 44 is fixed in the inboard of the recess of lagging 32 right side, the inboard slidable mounting of mount 44 has slide 45, slide 45 is close to the articulated connecting rod 47 that has in one side of bolt 331, the one end that slide 45 was kept away from to connecting rod 47 runs through mount 44 and lagging 32 and is articulated with limiting plate 346, slide 45 keeps away from one side of limiting plate 346 and is fixed with elastic sheet 46, elastic sheet 46 is the iron sheet, self possesses certain elasticity and can take place deformation.
In order to further improve the effect of bradyseism, the triangle recess has been seted up on the surface of steel sheet 2, and the flexure strip 46 can insert and carry on spacingly in the triangle recess on steel sheet 2 surface to steel sheet 2, when taking place slight swing between steel sheet 2 and lagging 32, can extrude flexure strip 46, further improve the effect of bradyseism under the elastic action of flexure strip 46 self.
In the embodiment of the present invention, the pressing plate 341 has a through hole for the bolt 331 to pass through, and the surface of the steel plate 2 has a threaded hole for the bolt 331 to be inserted into to fix the steel plate 2.
In the invention, when in use, after the steel plate 2 is inserted into the groove on the right side of the sleeve plate 32, the bolt 331 is screwed, the bolt 331 drives the pull plate 334 to move downwards together, after the bolt 331 is screwed into the threaded hole on the surface of the steel plate 2 and then is connected with the steel plate 2, the bolt 331 is screwed, the steel plate 2 is fixed on the sleeve plate 32, at this time, the pull plate 334 abuts against the pressure plate 341 to push the pressure plate 341 to move towards one side close to the sleeve plate 32, the pressure plate 341 drives the sleeve rod 342 to move together, the sleeve rod 342 pushes the limit plate 346 to move towards one side close to the bolt 331 through the support rod 345, the limit plate 346 can hold the bolt 331 tightly, so that the bolt 331 is limited, and the bolt 331 cannot be loosened due to vibration when in use.
At this time, the limiting plate 346 pushes the sliding plate 45 to move towards one side close to the steel plate 2 through the connecting rod 47, the sliding plate 45 drives the elastic piece 46 to move together, the elastic piece 46 is inserted into the triangular groove on the surface of the steel plate 2, when slight swinging occurs between the steel plate 2 and the sleeve plate 32, the elastic piece 46 can be extruded, and the cushioning effect is further improved under the elastic action of the elastic piece 46.
When the sleeve plate 32 swings up and down at the position hinged to the fixing rod 31, the sleeve plate 32 can push the resisting rod 42 to retract into the arc-shaped plate 41 to compress the spring C43 on the resisting rod 42, so as to play a role of cushioning.
When the steel plate 2 needs to be disassembled, only the pulling plate 334 needs to be pulled, the pulling plate 334 drives the pulling rod 332 to move towards one side far away from the bolt 331, the pulling plate 334 no longer supports against the pressing plate 341, the sleeve rod 342 moves towards one side far away from the steel plate 2 under the action of the spring B344, the sleeve rod 342 pulls the limiting plate 346 to move towards one side far away from the bolt 331 through the supporting rod 345, the limiting plate 346 no longer limits the bolt 331, and the steel plate 2 can be disassembled after the bolt 331 is screwed out through the reverse bolt 331.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a shock attenuation formula steel construction node structure, includes fixed plate (1) and steel sheet (2), its characterized in that: the right side of fixed plate (1) is provided with concatenation subassembly (3) and driven bradyseism subassembly (4), concatenation subassembly (3) include:
the left side of the fixing rod (31) is fixed on the right side of the fixing plate (1);
the right side of the fixed rod (31) is hinged with the left side of the sleeve plate (32), and a groove is formed in the right side of the sleeve plate (32);
the fastening piece (33) is arranged on the sleeve plate (32);
the clamping piece (34) is arranged inside and on the surface of the sleeve plate (32).
2. The shock absorbing steel structure node structure of claim 1, wherein: the fastener (33) comprises a bolt (331), the bolt (331) penetrates through the sleeve plate (32) and is in threaded connection with the sleeve plate (32), one end, far away from the sleeve plate (32), of the bolt (331) is penetrated through by a pull rod (332) and is in sliding connection with the pull rod (332), and a spring A (333) is fixed on the inner wall of the bolt (331).
3. The shock absorbing steel structure node structure of claim 2, wherein: one end, far away from the bolt (331), of the spring A (333) is fixed with the pull rod (332), and one end, far away from the bolt (331), of the pull rod (332) is fixed with the pull plate (334).
4. The shock absorbing steel structure node structure of claim 3, wherein: dead piece (34) of card includes clamp plate (341), one side that clamp plate (341) are close to lagging (32) is fixed with loop bar (342), loop bar (342) run through lagging (32) and with lagging (32) sliding connection, the one end that clamp plate (341) were kept away from in loop bar (342) is run through by montant (343) and with montant (343) sliding connection, montant (343) are fixed on the inner wall of lagging (32), the one end that loop bar (342) are close to montant (343) is fixed with spring B (344).
5. The shock absorbing steel structure node structure of claim 4, wherein: one end, far away from loop bar (342), of spring B (344) is fixed on the inner wall of lagging (32), the one end that loop bar (342) is close to bolt (331) articulates there is branch (345), the one end that loop bar (342) was kept away from to branch (345) articulates with limiting plate (346), limiting plate (346) run through lagging (32) and with lagging (32) sliding connection.
6. The shock absorbing steel structure node structure of claim 2, wherein: driven bradyseism subassembly (4) include arc (41), the right side at fixed plate (1) is fixed in arc (41), the one end that fixed plate (1) was kept away from in arc (41) is run through and with support pole (42) sliding connection by support pole (42), be fixed with spring C (43) on the inner wall of arc (41), the one end that arc (41) were kept away from in spring C (43) is fixed with support pole (42).
7. The shock absorbing steel structure node structure of claim 6, wherein: driven bradyseism subassembly (4) are still including mount (44), the inboard at lagging (32) right side recess is fixed in mount (44), the inboard slidable mounting of mount (44) has slide (45), slide (45) are close to one side of bolt (331) and articulate there is connecting rod (47), the one end that slide (45) were kept away from in connecting rod (47) runs through mount (44) and lagging (32) and limiting plate (346) are articulated, one side that limiting plate (346) were kept away from in slide (45) is fixed with flexible piece (46).
8. The shock absorbing steel structure node structure of claim 1, wherein: the surface of the steel plate (2) is provided with a triangular groove.
9. The shock absorbing steel structure node structure of claim 4, wherein: the pressing plate (341) is provided with a through hole, and the surface of the steel plate (2) is provided with a threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210845836.6A CN114991304B (en) | 2022-07-19 | 2022-07-19 | Damping type steel structure node structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210845836.6A CN114991304B (en) | 2022-07-19 | 2022-07-19 | Damping type steel structure node structure |
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| Publication Number | Publication Date |
|---|---|
| CN114991304A true CN114991304A (en) | 2022-09-02 |
| CN114991304B CN114991304B (en) | 2024-05-10 |
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| CN202210845836.6A Active CN114991304B (en) | 2022-07-19 | 2022-07-19 | Damping type steel structure node structure |
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| CN213741901U (en) * | 2020-11-11 | 2021-07-20 | 中国电建集团华东勘测设计研究院有限公司 | Large-span factory building steel beam structure |
| CN214144165U (en) * | 2020-11-25 | 2021-09-07 | 河南恒茂钢结构有限公司 | Shock attenuation formula steel construction node component |
| CN214401907U (en) * | 2021-01-07 | 2021-10-15 | 浙江鸿鼎钢结构工程有限公司 | Energy-saving and shock-absorbing steel structure |
| CN215406605U (en) * | 2021-04-11 | 2022-01-04 | 河北扬图建筑工程有限公司 | Safe formula steel construction node component |
| CN216239031U (en) * | 2021-10-12 | 2022-04-08 | 唐山金世隆机械制造有限公司 | Steel construction that concatenation is firm |
| CN216239034U (en) * | 2021-11-11 | 2022-04-08 | 陕西启蛰电力工程有限公司 | Safe formula steel construction node component |
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| CN114991304B (en) | 2024-05-10 |
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