CN216517069U - Beam column joint reinforcing device for steel structure large-span beam - Google Patents
Beam column joint reinforcing device for steel structure large-span beam Download PDFInfo
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- CN216517069U CN216517069U CN202122873991.2U CN202122873991U CN216517069U CN 216517069 U CN216517069 U CN 216517069U CN 202122873991 U CN202122873991 U CN 202122873991U CN 216517069 U CN216517069 U CN 216517069U
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Abstract
The utility model discloses a beam column node reinforcing device for a steel structure large-span beam, which relates to the field of steel structures and aims at solving the problem that the overall stability of a steel structure building is insufficient due to the unstable structure of the existing steel structure beam column. The beam column node reinforcing device is novel in structure, the device is convenient to overhaul the reinforcing device of the beam column node, the reinforcing efficiency of the beam column node is improved, and the beam column node reinforcing device can be applied to steel structure cylinders with different sizes, so that a connecting structure exists between two beam bodies, the integral strength of the beam column is improved, and the integral strength of a steel structure building is improved.
Description
Technical Field
The utility model relates to the field of steel structures, in particular to a beam-column joint reinforcing device for a steel structure large-span beam.
Background
Steel structures are structures composed of steel materials and are one of the main building structure types. The structure mainly comprises steel beams, 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. The steel structure is easy to rust, and generally the steel structure needs to be derusted, galvanized or painted, and needs to be maintained regularly.
The beam column node of the existing steel structure building generally welds the end part of a beam body on the side part of a column body, but a connecting structure does not exist between the left beam body and the right beam body, so that the overall strength is low, and therefore, in order to solve the problems, the beam column node reinforcing device for the steel structure large-span beam is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a beam column joint reinforcing device for a steel structure large-span beam, which solves the problem that the overall stability of a steel structure building is insufficient due to the fact that the existing steel structure beam column structure is not stable enough.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a beam column node reinforcing device for a steel structure large-span beam comprises a column body, a first beam body and a second beam body, wherein the two sides of the column body are respectively welded with the first beam body and the second beam body, a first clamping plate and a second clamping plate are clamped at one end, close to the column body, of the first beam body, a third clamping plate and a fourth clamping plate are clamped at one end, close to the column body, of the second beam body, the first clamping plate, the second clamping plate, the third clamping plate and the fourth clamping plate are arranged in an Contraband shape, and connecting mechanisms are arranged between the first clamping plate and the third clamping plate and between the second clamping plate and the fourth clamping plate;
and dismounting mechanisms are arranged between the first clamping plate and the second clamping plate and between the third clamping plate and the fourth clamping plate.
Through adopting above-mentioned technical scheme, the overall structure that first cardboard, second cardboard, third cardboard and fourth cardboard are constituteed can add connection structure between the two liangqi bodies of cylinder side, improves this beam column bulk strength, has both improved the bulk strength of this steel construction building.
Preferably, the connecting mechanism comprises a first fixing plate, a first expansion plate, a second fixing plate and a second expansion plate, the outer wall of the vertical section of the second clamping plate and the outer wall of the vertical section of the third clamping plate are fixedly connected with the first fixing plate, the outer wall of the vertical section of the first clamping plate and the outer wall of the vertical section of the fourth clamping plate are fixedly connected with the second fixing plate, the first fixing plate and the second fixing plate are both hollow structures with one open ends, the first expansion plate is slidably mounted in the first fixing plate, the second expansion plate is slidably mounted in the second fixing plate, and the first expansion plate extends to one end of the first fixing plate, which is outside, and the second expansion plate extends to one end of the second fixing plate, which is outside.
Through adopting above-mentioned technical scheme, first expansion plate slides in first fixed plate is inside, and the second expansion plate slides in second fixed plate is inside to can make the whole length of first fixed plate, first expansion plate, second fixed plate and second expansion plate obtain the adjustment, make it can be applicable to not unidimensional cylinder.
Preferably, the outer walls of the first fixing plate and the second fixing plate are both rotatably provided with positioning screws in a threaded manner, and the two positioning screws respectively extend to the inner parts of the first fixing plate and the second fixing plate to be in contact with the first expansion plate and the second expansion plate.
Through adopting above-mentioned technical scheme, set screw rotates and to make its tip support tight first expansion plate and second expansion plate for adjust the first expansion plate after accomplishing and can be fixed in first fixed plate is inside, and the second expansion plate can be fixed in second fixed plate is inside.
As preferred, first expansion plate is close to the one end fixedly connected with picture peg of second expansion plate, just one side fixedly connected with semicircle board of first expansion plate is kept away from to the picture peg, the slot has been seted up to one side that the second expansion plate is close to first expansion plate, just set up the mounting groove that is the symmetric distribution between the both sides inner wall of slot, the inner wall fixedly connected with spring post of mounting groove, just the tip fixedly connected with locating piece of spring post, the locating piece is the quarter cylindric.
Through adopting above-mentioned technical scheme, inside inserting the slot through picture peg and semicircle board to can make semicircle board extrusion positioning piece, make it slide in the mounting groove is inside, and extrusion spring post, when the locating piece was crossed to the semicircle board, the spring post can reverse promotion locating piece this moment, blocks through the locating piece semicircle board, can make first fixed plate, first expansion plate, second fixed plate and the whole stability that keeps of second expansion plate from this.
As preferred, dismouting mechanism is including butt joint groove, butt joint piece, connecting rod, activity ring, movable block, activity groove, reset spring and mount table, the equal fixedly connected with mount table in one side that first cardboard, fourth cardboard are close to second cardboard, third cardboard, just the mesa fixedly connected with connecting rod of mount table, the one end fixedly connected with butt joint piece that the mount table was kept away from to the connecting rod, just the slip cap is equipped with the activity ring on the body of rod of connecting rod, second cardboard, third cardboard are close to one side of first cardboard, fourth cardboard and offer the butt joint groove that matches with the butt joint piece, just the activity groove rather than the intercommunication is all offered to the both sides in butt joint groove, the inside slidable mounting in activity groove has the movable block, just fixedly connected with reset spring between the inner wall in movable block and activity groove.
Through adopting above-mentioned technical scheme, the butt joint piece inserts inside the butt joint inslot to the extrusion movable block makes it slide in the movable groove is inside, extrudees reset spring simultaneously, and when the butt joint piece crossed the movable block, reset spring reverse promotion movable block this moment, through butt joint piece and movable ring card in the both sides of movable block, thereby can guarantee that first cardboard and second cardboard, third cardboard can the joint with the fourth cardboard stable.
As preferred, the loose ring includes first loose ring and second loose ring, just first loose ring and second loose ring all are cavity round platform form, the butt joint piece is hemispherical, the mount table is the round platform form, the loose piece is two segmentation settings, and its cross-section is rectangle form and right angle trapezoidal form respectively.
Through adopting above-mentioned technical scheme, continue to make the butt joint piece slide at butt joint inslot portion, make first movable ring extrusion movable block, movable block extrudees reset spring again, make the whole of movable ring cross the movable block, then outwards stimulate the connecting rod again, the butt joint piece, the whole of mount table, the second movable ring promotes the movable block again this moment, make the movable block can support on movable ring and butt joint piece from this, thereby can be quick take out the butt joint piece from butt joint inslot portion, accomplish first cardboard, the dismantlement and the third cardboard of second cardboard, the dismantlement operation of fourth cardboard, realize the holistic quick assembly disassembly operation of this reinforcing apparatus.
The utility model has the beneficial effects that:
1. through set up the dismouting mechanism that makes things convenient for the dismouting between first cardboard and second cardboard and between third cardboard and the fourth cardboard to make the dismantlement of first cardboard and second cardboard and third cardboard and fourth cardboard convenient and fast more, conveniently carry out beam column node reinforcing apparatus's installation dismantlement operation, both conveniently overhaul maintenance to this reinforcing apparatus, improve beam column node reinforcing efficiency.
2. Through the adjustable coupling mechanism who sets up between first cardboard and third cardboard and between second cardboard and the fourth cardboard, thereby make this reinforcing apparatus can be applicable to not unidimensional steel structure cylinder, and connect first cardboard, the whole and the third cardboard of second cardboard, the whole of fourth cardboard, make to have connection structure between the two roof beam bodies, improve this beam column bulk strength, both improved this steel construction building's bulk strength.
To sum up, the device conveniently carries out the maintenance operation of installation dismantlement to the reinforcing apparatus of beam column node, improves beam column node and consolidates efficiency, can be applicable to not unidimensional steel structure cylinder simultaneously for there is connection structure between two roof beams bodies, improves this beam column bulk strength, has both improved the bulk strength of this steel structure building.
Drawings
Fig. 1 is a schematic structural view of a beam-column joint reinforcing device for a steel structure large-span beam according to the present invention;
FIG. 2 is a schematic structural diagram of an adjusting mechanism of the beam-column joint reinforcing device for the steel structure large-span beam, provided by the utility model;
FIG. 3 is a sectional view of the internal structure of a second expansion plate of the beam-column joint reinforcing device for the steel structure large-span beam of the utility model;
fig. 4 is an enlarged structural view of a portion a in fig. 3 of the beam-column joint reinforcing apparatus for a steel structure large-span beam according to the present invention;
FIG. 5 is a sectional top view of the clamping plates of the beam-column joint reinforcing device for the steel structure large-span beam, which are butted together;
fig. 6 is an enlarged structural view of B in fig. 5 of the beam-column joint reinforcing apparatus for a steel structure large-span beam according to the present invention.
Reference numbers in the figures: 1. a cylinder; 2. a first beam body; 3. a second beam body; 4. a first clamping plate; 5. a second clamping plate; 6. a third clamping plate; 7. a fourth clamping plate; 8. a first fixing plate; 9. a first expansion plate; 10. a second fixing plate; 11. a second expansion plate; 12. a slot; 13. positioning blocks; 14. inserting plates; 15. a semicircular plate; 16. mounting grooves; 17. a spring post; 18. a butt joint groove; 19. a butt joint block; 20. a connecting rod; 21. a first movable ring; 22. a movable block; 23. a movable groove; 24. a return spring; 25. an installation table; 26. a second movable ring.
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.
Referring to fig. 1, a beam column node reinforcing apparatus for steel construction large-span roof beam, including cylinder 1, first roof beam body 2 and second roof beam body 3 have been welded respectively to cylinder 1's both sides, and first roof beam body 2 is close to cylinder 1's one end joint has first cardboard 4 and second cardboard 5, second roof beam body 3 is close to cylinder 1's one end joint has third cardboard 6 and fourth cardboard 7, and first cardboard 4, second cardboard 5, third cardboard 6 and fourth cardboard 7 all are "Contraband" type setting, first cardboard 4, second cardboard 5, the overall structure that third cardboard 6 and fourth cardboard 7 are constituteed can add connection structure between two roof beam bodies of cylinder 1 side, improve this beam column bulk strength, both improve the bulk strength of this steel construction.
Referring to fig. 1 and 2, a connection mechanism is respectively arranged between the first clamping plate 4 and the third clamping plate 6 and between the second clamping plate 5 and the fourth clamping plate 7, the connection mechanism includes a first fixing plate 8, a first expansion plate 9, a second fixing plate 10 and a second expansion plate 11, the outer wall of the vertical section of the second clamping plate 5 and the third clamping plate 6 is fixedly connected with the first fixing plate 8, the outer wall of the vertical section of the first clamping plate 4 and the fourth clamping plate 7 is fixedly connected with the second fixing plate 10, the first fixing plate 8 and the second fixing plate 10 are both in a hollow structure with one open end, the first expansion plate 9 is slidably installed in the first fixing plate 8, the second expansion plate 11 is slidably installed in the second fixing plate 10, the first expansion plate 9 slides inside the first fixing plate 8, the second expansion plate 11 slides inside the second fixing plate 10, so that the first fixing plate 8, the first expansion plate 9, the second expansion plate 9, The overall length of the second fixed plate 10 and the second expansion plate 11 is adjusted so that they can be applied to columns 1 of different sizes.
The equal screw thread of outer wall of first fixed plate 8 and second fixed plate 10 rotates and installs set screw, and two set screws extend to the inside and first expansion plate 9 and the contact of second expansion plate 11 of first fixed plate 8 and second fixed plate 10 respectively, set screw rotates and can make its tip support tightly first expansion plate 9 and second expansion plate 11, make first expansion plate 9 after the regulation is accomplished can be fixed in first fixed plate 10 is inside, second expansion plate 11 can be fixed in second fixed plate 10 is inside, and first expansion plate 9 extends to the outside one end of first fixed plate 8 and second expansion plate 11 extends to the outside one end of second fixed plate 10 and is close to each other.
Referring to fig. 2-4, an inserting plate 14 is fixedly connected to one end of the first retractable plate 9 close to the second retractable plate 11, a semicircular plate 15 is fixedly connected to one side of the inserting plate 14 away from the first retractable plate 9, a slot 12 is formed in one side of the second retractable plate 11 close to the first retractable plate 9, symmetrically distributed mounting grooves 16 are formed between inner walls of two sides of the slot 12, spring posts 17 are fixedly connected to inner walls of the mounting grooves 16, a positioning block 13 is fixedly connected to an end portion of each spring post 17, the positioning block 13 is in a shape of a quarter cylinder, the inserting plate 14 and the semicircular plate 15 are inserted into the slot 12, so that the semicircular plate 15 can extrude the positioning block 13 to slide in the mounting grooves 16 and extrude the spring posts 17, when the semicircular plate 15 crosses the positioning block 13, the positioning block 13 can reversely push the positioning block 13 to block the semicircular plate 15, this can stabilize the entire first fixed plate 8, first expansion plate 9, second fixed plate 10, and second expansion plate 11.
Referring to fig. 5 and 6, the dismounting mechanism is disposed between the first clamping plate 4 and the second clamping plate 5 and between the third clamping plate 6 and the fourth clamping plate 7, the dismounting mechanism includes a docking slot 18, a docking block 19, a connecting rod 20, a movable ring, a movable block 22, a movable slot 23, a return spring 24 and a mounting platform 25, the first clamping plate 4 and the fourth clamping plate 7 are close to the second clamping plate 5, one side of the third clamping plate 6 is fixedly connected with the mounting platform 25, the mounting platform 25 is in a circular truncated cone shape, the table top of the mounting platform 25 is fixedly connected with the connecting rod 20, one end of the connecting rod 20 far away from the mounting platform 25 is fixedly connected with the docking block 19, the docking block 19 is in a hemispherical shape, the movable ring is slidably sleeved on the rod body of the connecting rod 20 and comprises a first movable ring 21 and a second movable ring 26, the first movable ring 21 and the second movable ring 26 are both in a hollow circular truncated cone shape, the second clamping plate 5, the third clamping plate 6 is close to the first clamping plate 4, The butt joint groove 18 that matches with butt joint block 19 is seted up to one side of fourth cardboard 7, and all sets up the movable groove 23 rather than the intercommunication in the both sides in butt joint groove 18, and the inside slidable mounting in movable groove 23 has movable block 22, and movable block 22 is two segmentation settings, and its cross-section is rectangle form and right angle trapezoidal form respectively, and fixedly connected with reset spring 24 between the inner wall in movable block 22 and movable groove 23.
The reinforcing device can additionally arrange a connecting structure between two beam bodies on the side edge of a column body 1 through an integral structure consisting of a first clamping plate 4, a second clamping plate 5, a third clamping plate 6 and a fourth clamping plate 7, the integral strength of the beam column is improved, the integral strength of the steel structure building is improved, when the integral consisting of the first clamping plate 4 and the second clamping plate 5 and the integral consisting of the third clamping plate 6 and the third clamping plate 7 need to be installed, a positioning screw is rotated to enable a first expansion plate 9 to slide inside a first fixing plate 8, a second expansion plate 11 slides inside a second fixing plate 10, so that an inserting plate 14 and a semicircular plate 15 can be inserted into a slot 12, the semicircular plate 15 extrudes a positioning block 13 to enable the positioning block to slide inside a mounting slot 16 and extrude a spring column 17, when the semicircular plate 15 crosses the positioning block 13, the spring column 17 can reversely push the positioning block 13, the semi-circular plate 15 is blocked by the positioning block 13, so that the first fixing plate 8, the first telescopic plate 9, the second fixing plate 10 and the second telescopic plate 11 are kept stable as a whole, and then the positioning screws are rotated in the reverse direction to fix the first telescopic plate 9 and the first fixing plate 8 and fix the second telescopic plate 11 and the second fixing plate 10.
When the first clamping plate 4 and the second clamping plate 5 and the third clamping plate 6 and the fourth clamping plate 7 need to be installed, the butt joint block 19 enters the butt joint groove 18, the butt joint block 19 extrudes the movable block 22, the movable block 22 slides in the movable groove 23, the reset spring 24 is extruded until the butt joint block 19 completely crosses the movable block 22, the reset spring 24 reversely pushes the movable block 22 at the moment, the movable block is clamped between the butt joint block 19 and the movable ring, and the first clamping plate 4 and the second clamping plate 5 and the third clamping plate 6 and the fourth clamping plate 7 are fixed.
When the first clamping plate 4 and the second clamping plate 5 and the third clamping plate 6 and the fourth clamping plate 7 need to be disassembled, the butting block 19 is continuously pushed towards the inside of the butting groove 18, the movable block 22 pushes the whole movable ring to slide on the connecting rod 20, the second movable ring 26 abuts against the mounting table 25, the whole movable ring pushes the movable block 22 at the moment, the movable block 22 extrudes the reset spring 24, when the movable block 22 is positioned between the movable ring and the mounting table 25, the butting block 19 is pulled outwards at the moment, the movable block 22 pushes the whole movable ring to reversely slide on the connecting rod 20, until the first movable ring 21 abuts against the butting block 19, the movable ring pushes the movable block 22 again, the movable block 22 finally abuts between the movable ring and the butting block 19, and then the pulling plate is pulled quickly, so that the butting block 19 can be drawn out from the inside of the butting groove 18, accomplish the dismantlement of first cardboard 4 and second cardboard 5 and the dismantlement of third cardboard 6 and fourth cardboard 7, conveniently carry out beam column node reinforcing apparatus's installation dismantlement operation, both conveniently overhaul the maintenance to this reinforcing apparatus, improve beam column node reinforcing efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A beam column node reinforcing device for a steel structure large-span beam comprises a column body (1), a first beam body (2) and a second beam body (3), and is characterized in that the two sides of the column body (1) are respectively welded with the first beam body (2) and the second beam body (3), a first clamping plate (4) and a second clamping plate (5) are clamped at one end, close to the column body (1), of the first beam body (2), a third clamping plate (6) and a fourth clamping plate (7) are clamped at one end, close to the column body (1), of the second beam body (3), the first clamping plate (4), the second clamping plate (5), the third clamping plate (6) and the fourth clamping plate (7) are arranged in an Contraband shape, and connecting mechanisms are arranged between the first clamping plate (4) and the third clamping plate (6) and between the second clamping plate (5) and the fourth clamping plate (7);
all be equipped with dismouting mechanism between first cardboard (4) and second cardboard (5) and between third cardboard (6) and fourth cardboard (7).
2. The beam column joint reinforcing device for the large-span beam with the steel structure according to claim 1, wherein the connecting mechanism comprises a first fixing plate (8), a first expansion plate (9), a second fixing plate (10) and a second expansion plate (11), the outer walls of the vertical sections of the second clamping plate (5) and the third clamping plate (6) are fixedly connected with the first fixing plate (8), the outer walls of the vertical sections of the first clamping plate (4) and the fourth clamping plate (7) are fixedly connected with the second fixing plate (10), the first fixing plate (8) and the second fixing plate (10) are both hollow structures with one open ends, the first expansion plate (9) is slidably mounted in the first fixing plate (8), the second expansion plate (11) is slidably mounted in the second fixing plate (10), and one end of the first expansion plate (9) extending to the outside of the first fixing plate (8) and one end of the second expansion plate (11) extending to the second fixing plate (10) ) The ends of the outer portions are adjacent to each other.
3. The beam column joint reinforcing device for the steel structure large-span beam is characterized in that the outer walls of the first fixing plate (8) and the second fixing plate (10) are both rotatably provided with positioning screws in a threaded mode, and the two positioning screws respectively extend to the inner portions of the first fixing plate (8) and the second fixing plate (10) and are in contact with the first expansion plate (9) and the second expansion plate (11).
4. The beam column joint reinforcing device for the steel structure large-span beam is characterized in that one end of the first expansion plate (9) close to the second expansion plate (11) is fixedly connected with a plug board (14), one side of the plug board (14) far away from the first expansion plate (9) is fixedly connected with a semicircular plate (15), one side of the second expansion plate (11) close to the first expansion plate (9) is provided with a slot (12), in addition, a mounting groove (16) which is symmetrically distributed is formed between the inner walls of the two sides of the slot (12), the inner wall of the mounting groove (16) is fixedly connected with a spring column (17), in addition, the end part of the spring column (17) is fixedly connected with a positioning block (13), and the positioning block (13) is in a quarter cylinder shape.
5. The beam column joint reinforcing device for the steel structure large-span beam is characterized in that the dismounting mechanism comprises a butt joint groove (18), a butt joint block (19), a connecting rod (20), a movable ring, a movable block (22), a movable groove (23), a reset spring (24) and a mounting table (25), one side of each of the first clamping plate (4) and the fourth clamping plate (7) close to the second clamping plate (5) and the third clamping plate (6) is fixedly connected with the mounting table (25), the table top of the mounting table (25) is fixedly connected with the connecting rod (20), one end of the connecting rod (20) far away from the mounting table (25) is fixedly connected with the butt joint block (19), the rod body of the connecting rod (20) is slidably sleeved with the movable ring, one side of each of the second clamping plate (5), the third clamping plate (6) close to the first clamping plate (4) and the fourth clamping plate (7) is provided with the butt joint groove (18) matched with the butt joint block (19), and the both sides in butt joint groove (18) all offer rather than the movable groove (23) of intercommunication, the inside slidable mounting in movable groove (23) has movable block (22), just fixedly connected with reset spring (24) between the inner wall in movable block (22) and movable groove (23).
6. The beam column joint reinforcing device for the steel structure large-span beam according to claim 5, wherein the movable rings comprise a first movable ring (21) and a second movable ring (26), the first movable ring (21) and the second movable ring (26) are both hollow round tables, the butt joint block (19) is hemispherical, the installation table (25) is round tables, the movable block (22) is arranged in two segments, and the cross section of the movable block is rectangular and right trapezoid respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122873991.2U CN216517069U (en) | 2021-11-23 | 2021-11-23 | Beam column joint reinforcing device for steel structure large-span beam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122873991.2U CN216517069U (en) | 2021-11-23 | 2021-11-23 | Beam column joint reinforcing device for steel structure large-span beam |
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| CN216517069U true CN216517069U (en) | 2022-05-13 |
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| CN202122873991.2U Active CN216517069U (en) | 2021-11-23 | 2021-11-23 | Beam column joint reinforcing device for steel structure large-span beam |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162514A (en) * | 2022-07-21 | 2022-10-11 | 中国建筑第五工程局有限公司 | Assembled building beam column steel construction connecting elements |
| CN115306036A (en) * | 2022-09-19 | 2022-11-08 | 上海南汇建工建设(集团)有限公司 | Assembled steel structure node component and using method thereof |
| CN117188611A (en) * | 2023-11-01 | 2023-12-08 | 国网天津市电力公司武清供电分公司 | Annular groove type connecting node of assembled steel structure beam column of power transformer substation |
-
2021
- 2021-11-23 CN CN202122873991.2U patent/CN216517069U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115162514A (en) * | 2022-07-21 | 2022-10-11 | 中国建筑第五工程局有限公司 | Assembled building beam column steel construction connecting elements |
| CN115306036A (en) * | 2022-09-19 | 2022-11-08 | 上海南汇建工建设(集团)有限公司 | Assembled steel structure node component and using method thereof |
| CN117188611A (en) * | 2023-11-01 | 2023-12-08 | 国网天津市电力公司武清供电分公司 | Annular groove type connecting node of assembled steel structure beam column of power transformer substation |
| CN117188611B (en) * | 2023-11-01 | 2024-02-27 | 国网天津市电力公司武清供电分公司 | Annular groove type connecting node of assembled steel structure beam column of power transformer substation |
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