CN114517536B - Connecting structure at reverse bending point of column - Google Patents
Connecting structure at reverse bending point of column Download PDFInfo
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- CN114517536B CN114517536B CN202210053304.9A CN202210053304A CN114517536B CN 114517536 B CN114517536 B CN 114517536B CN 202210053304 A CN202210053304 A CN 202210053304A CN 114517536 B CN114517536 B CN 114517536B
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5837—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially circular form
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model relates to a connecting structure at the reverse bend point of a column, belonging to the technical field of assembly type buildings, comprising an inserting column coaxially fixed on the upper end surface of a lower column, wherein the lower end surface of the upper column is provided with a slot for inserting the inserting column, the inner wall of the slot is fixed with a plurality of fixing pieces, the edge of the upper end surface of the inserting column is provided with a plurality of vertical slots for inserting the fixing pieces, and the side wall in the same direction in each vertical slot is provided with a transverse slot for the fixing pieces to turn over; the circumferential side wall of the upper column is provided with a plurality of pouring holes communicated with the vertical grooves. This application has the effect that improves the joint strength of the anti-bend department of post.
Description
Technical Field
The application relates to the technical field of fabricated building, in particular to a connecting structure at a reverse bending point of a column.
Background
In prefabricated building structures, ensuring good integrity is a necessary requirement of the building structure. When the beam, the plate and the column are integrally prefabricated and assembled, because the bending moment of the recurved point is zero, if the prefabricated column is assembled at the recurved point, the requirement can be met only by meeting the shearing resistance bearing capacity, and therefore the recurved point of the column is selected at the optimal position for splicing.
In the correlation technique, the connecting structure of the recurve bend point of the existing column comprises a connecting steel plate, the connecting steel plate is wrapped at the joint of an upper column and a lower column, the lower end face of the upper column is attached to the upper end face of the upper column, a plurality of bolts are arranged on the connecting steel plate, and the inner ends of the bolts are respectively in threaded connection with the upper column and the lower column after penetrating through the connecting steel plate.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the connection strength at the recurved bend of the column is poor.
Disclosure of Invention
In order to improve the connection strength at the recurved bend point of the column, the present application provides a connection structure at the recurved bend point of the column.
The application provides a connection structure at anti-bend point department of post adopts following technical scheme:
a connecting structure at a reverse bend point of a column comprises an inserting column coaxially fixed on the upper end surface of a lower column, wherein the lower end surface of the upper column is provided with a slot for inserting the inserting column, the inner wall of the slot is fixedly provided with a plurality of fixing pieces, the edge of the upper end surface of the inserting column is provided with a plurality of vertical slots for inserting the fixing pieces, and the side wall in the same direction in each vertical slot is provided with a transverse slot for the fixing pieces to rotate in; the circumferential side wall of the upper column is provided with a plurality of pouring holes communicated with the vertical grooves.
Through adopting above-mentioned technical scheme, when the installation of going on the upper prop and lower prop, will go up the post and aim at with the lower prop, and make and insert the post and insert in the slot, the mounting is located perpendicular inslot simultaneously, rotate upper prop or lower prop this moment, make the mounting rotate to the cross slot in, it is tentatively fixed to go up post and lower prop completion, the rethread is pour the hole and is in the grout with every perpendicular groove and cross slot, accomplish the connection of the anti-inflection point department of post, whole process only need peg graft, rotate and grout, it is convenient and joint strength high to construct.
Optionally, a plurality of fixing plates are fixed on the lower end surface of the upper column, a plurality of inserting blocks are fixed on the upper end surface of the lower column, the inserting blocks are located between two adjacent fixing plates, and a fixing groove is formed in the same side of each fixing plate; when the fixing piece is rotated into the transverse groove, the inserting block is rotated into the fixing groove.
Through adopting above-mentioned technical scheme, inserting the post and inserting the back in the slot, the inserted block inserts between the adjacent fixed plate, when carrying out the rotation of going up post or lower post, the mounting changes over into the cross slot, and in the inserted block changes over into the fixed slot, under the prerequisite that does not increase the construction procedure, has further improved the joint strength between last post and the lower post.
Optionally, a fixed surrounding plate is fixed at a joint of the upper column and the lower column, and the fixed surrounding plate seals a space between the upper column and the lower column.
Through adopting above-mentioned technical scheme, fixed bounding wall can protect fixed plate and fixed block on the one hand, and on the other hand can improve the joint strength between upper prop and the lower prop.
Optionally, an inner support ring is fixed to the circumferential inner side wall of the fixed enclosing plate, the upper end face of the inner support ring is attached to the lower end face of the upper column, and the lower end face of the inner support ring is attached to the upper end face of the lower column.
By adopting the technical scheme, the inner support ring is supported between the upper column and the lower column, so that the stability between the upper column and the lower column is further improved.
Optionally, a plurality of limiting bolts are inserted into the fixed enclosing plate, the inner ends of the limiting bolts penetrate through the fixed enclosing plate and then are connected to the inserting columns in a threaded mode, and the limiting bolts are located at the openings of the side portions of the fixed grooves and abut against the inserting blocks.
Through adopting above-mentioned technical scheme, spacing bolt can be fixed bounding wall and inserted the post on the one hand, and another direction can be spacing to the inserted block, avoids the inserted block to take place the displacement as far as possible to improve the joint strength between upper prop and the lower prop.
Optionally, the pouring hole is further formed in the side wall of the fixed enclosing plate.
Through adopting above-mentioned technical scheme, spacing bolt fastening finishes the back, grout toward fixed bounding wall in, the inserted block has been located the fixed slot this moment, cement can not flow into the fixed plate through the inserted block before rotating and insert between the post, consequently can relax with the space between upper prop and the lower prop fill up, directly fix fixed plate, inserted block, spacing bolt, insert the post, upper prop, lower prop, fixed bounding wall, further improve the joint strength between upper prop and the lower prop.
Optionally, the inserting rod is fixed on the upper end face of the inserting column, and a reinforcing groove for inserting the inserting rod is formed in the top wall in the inserting groove.
Through adopting above-mentioned technical scheme, when inserting the post and inserting in the slot, the inserted bar inserts earlier in the reinforcing groove, can play guiding orientation's effect to can also improve the steadiness between post and the lower post of inserting.
Optionally, the lower end surface of the upper column is provided with a plurality of extrusion grooves communicated with different fixing grooves, and moving grooves are communicated between the extrusion grooves and the reinforcing grooves; the extrusion groove is connected with an extrusion rod in a sliding way, the moving groove is connected with a moving plate in a sliding way, and the contact position of the moving plate and the extrusion rod is an inclined plane or an arc shape; a plurality of limiting grooves for inserting the moving plate are formed in the side wall of the inserted link, when the moving plate is completely located in the moving groove, the bottom end of the extrusion rod is located in the fixed groove, and one side, facing the side opening of the fixed groove, of the extrusion rod is inclined or arc-shaped.
Through adopting above-mentioned technical scheme, the inserted bar inserts the slot, the inserted block inserts the back between the adjacent fixed plate, on rotating the upper prop or lower prop, when making the inserted block insert in the fixed slot, the inserted block extrudees the one end that the lifter is located the fixed slot, the lifter receives to move up after the extrusion, and the top of lifter extrudees the movable plate, because the inserted bar has been located the strengthening groove, the movable plate removes towards the inserted bar and inserts the restriction inslot, it is more firm to make between inserted bar and the upper prop, and then under the prerequisite that does not increase the construction procedure, the joint strength between upper prop and the lower prop has further been improved.
Optionally, the position where the top end of the pressing rod contacts with the moving plate is in an arc shape protruding outwards.
By adopting the technical scheme, the abrasion between the extrusion rod and the moving plate can be reduced, so that the extrusion rod extrudes the moving plate more smoothly.
Optionally, the extrusion slot inside wall has been seted up the anticreep groove, and the extrusion stem lateral wall is fixed with the anticreep piece that slides in the anticreep inslot.
Through adopting above-mentioned technical scheme, prevented as far as possible before carrying out the connection of upper prop and lower prop, the possibility that the extrusion stem drops from the extrusion inslot has guaranteed as far as possible that upper prop and lower prop are connected smoothly.
In summary, the present application includes at least one of the following beneficial technical effects:
1. inserting the inserted columns into the slots, simultaneously positioning the fixing piece in the vertical grooves, rotating the upper columns or the lower columns to enable the fixing piece to rotate into the transverse grooves, grouting each vertical groove and each transverse groove through the pouring holes, and performing the whole grouting process only by inserting, rotating and grouting, so that the construction is convenient and fast, and the connection strength is high;
2. the limiting bolt can fix the fixed enclosing plate and the inserting column on one hand, and can limit the inserting block in the other direction, so that the inserting block is prevented from displacing as much as possible, and the connecting strength between the upper column and the lower column is improved;
3. grouting is carried out in the fixed enclosing plate, the space between the upper column and the lower column can be filled, and the fixed plate, the inserting block, the limiting bolt, the inserting column, the upper column, the lower column and the fixed enclosing plate are directly fixed, so that the connecting strength between the upper column and the lower column is improved;
4. the inserted block extrudes one end of the extrusion rod, which is positioned in the fixed groove, the top end of the extrusion rod extrudes the movable plate, and the movable plate is inserted into the limited groove, so that the connection strength between the upper column and the lower column is improved on the premise of not increasing the construction steps.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is an exploded view of the plug;
FIG. 3 is a schematic diagram showing the structure of a socket;
FIG. 4 is a schematic view showing the structure of the inner support ring;
fig. 5 is a partial sectional view showing an inner structure of the upper column.
In the figure, 1, lower column; 11. inserting a column; 111. a vertical slot; 112. a transverse groove; 12. inserting a rod; 121. defining a slot; 13. inserting a block; 2. putting the column on; 21. a slot; 211. a fixing member; 22. a reinforcement groove; 23. extruding a groove; 231. an extrusion stem; 232. a drop-proof groove; 233. an anti-drop block; 24. a moving groove; 241. moving the plate; 25. a fixing plate; 251. a fixing groove; 3. fixing the coaming; 31. an inner support ring; 32. a limit bolt; 33. fixing the bolt; 4. and (6) pouring holes.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a connecting structure at a reverse bend point of a column.
Referring to fig. 1, 2 and 3, an upper column 2 and a lower column 1 are coaxially arranged opposite to each other, a connecting structure at a reverse bending point of the columns includes a cylindrical insert column 11, the insert column 11 is coaxially fixed on an upper end face of the lower column 1, a slot 21 for inserting the insert column 11 is formed in a lower end face of the upper column 2, a plurality of fixing members 211 at the same height are horizontally fixed on an inner wall of the slot 21, end portions of the fixing members 211 face a central line of the slot 21, and the fixing members 211 in this embodiment may be bolts, screws, concrete columns, or other hard rod members; the upper end face of the inserting column 11 is provided with a plurality of vertical grooves 111 for inserting different fixing pieces 211, and the inner side wall of each vertical groove 111 in the same direction is provided with a transverse groove 112 for horizontally turning the fixing piece 211; the circumferential outer side wall of the upper column 2 is provided with a plurality of pouring holes 4 communicated with different vertical grooves 111. The upper column 2 is lifted to be aligned with the lower column 1, the inserting column 11 is inserted into the inserting slot 21, meanwhile, the fixing piece 211 is inserted into the vertical groove 111, the upper column 2 or the lower column 1 is rotated, the fixing piece 211 enters the transverse groove 112, and finally, grouting is performed in the vertical groove 111 through the pouring hole 4, so that the fixing piece 211 is fixed in the transverse groove 112, the process only needs to be spliced, rotated and grouted, and the construction is convenient and high in connection strength.
Referring to fig. 2 and 3, two symmetrically arranged and arc-shaped fixing plates 25 are fixed on the lower end surface of the upper column 2, and the centers of the two fixing plates 25 are located on the axis of the upper column 2; two symmetrically-arranged arc-shaped inserting blocks 13 are fixed on the upper end surface of the lower column 1, and the centers of circles of the two inserting blocks 13 are positioned on the axis of the lower column 1; the two insertion blocks 13 are inserted between two opposite end surfaces of the two fixing plates 25, and a fixing groove 251 for the corresponding insertion block 13 to rotate into is formed in one end surface of each fixing plate 25; when the fixing piece 211 rotates into the transverse groove 112, the two inserting blocks 13 rotate into the corresponding fixing grooves 251; the lower surface of the fixing plate 25 is attached to the upper end surface of the lower column 1, and the upper surface of the insert 13 is attached to the lower end surface of the upper column 2.
When the upper column 2 or the lower column 1 is rotated to rotate the fixing member 211 into the transverse groove 112, the two insertion blocks 13 are simultaneously rotated into the fixing grooves 251 corresponding to the fixing blocks, so that the connection strength between the upper column 2 and the lower column 1 can be improved on the premise of not increasing the construction steps.
Referring to fig. 1 and 4, an annular fixed enclosing plate 3 is sleeved at the joint of an upper column 2 and a lower column 1, the fixed enclosing plate 3 seals a space between the lower end face of the upper column 2 and the upper end face of the lower column 1, the fixed enclosing plate 3 is formed by connecting two semicircular plates, a plurality of fixed bolts 33 are arranged on the fixed enclosing plate 3, and one ends of the plurality of fixed bolts 33 penetrate through the fixed enclosing plate 3 and then are respectively connected to the upper column 2 or the lower column 1 in a threaded manner; an annular inner support ring 31 is fixed on the circumferential inner side wall of the fixed enclosing plate 3, the upper end surface of the inner support ring 31 is attached to the lower end surface of the upper column 2, and the lower end surface of the inner support ring 31 is attached to the upper end surface of the lower column 1; the pouring hole 4 is also formed in the side wall of the fixed surrounding plate 3 and used for grouting into the space between the upper column 2 and the lower column 1.
After the insert 13 is shifted into in the fixed slot 251, connect into fixed bounding wall 3 with two semicircular plates, and enclose the junction between last post 2 and lower post 1, it is fixed with last post 2 and lower post 1 respectively to fix bounding wall 3 through a plurality of fixing bolt 33, the inside grout toward fixed bounding wall 3 is poured through pouring hole 4 to the rethread, because the insert 13 has been located fixed slot 251 this moment, therefore cement can flow into between fixed plate 25 and the insert 11 through the position before the insert 13 does not rotate smoothly, can be to insert 11, when fixed plate 25 and insert 13 protect, further improve the joint strength between last post 2 and the lower post 1.
Referring to fig. 1, two limiting bolts 32 are arranged on the fixed surrounding plate 3, one end of each limiting bolt 32 penetrates through the fixed surrounding plate 3 and then is connected to the corresponding plug post 11 in a threaded manner, the limiting bolt 32 is located at the opening of the fixed groove 251, and the limiting bolt 32 is abutted to the side wall of the corresponding plug hole. Spacing bolt 32 can improve the firm degree of fixed bounding wall 3 on the one hand, and on the other hand can improve the steadiness that inserted block 13 is located fixed slot 251, and behind the grout in fixed bounding wall 3, spacing bolt 32 can also improve the intensity after the cement solidifies.
Referring to fig. 2, 3 and 5, a cylindrical insertion rod 12 is coaxially fixed on the upper end surface of the insertion column 11, and a reinforcing groove 22 for inserting the insertion rod 12 is formed on the inner top wall of the insertion groove 21; the lower end surface of the upper column 2 is vertically provided with two extrusion grooves 23 communicated with different fixing grooves 251, and a moving groove 24 is communicated between each extrusion groove 23 and the reinforcing groove 22; the extrusion groove 23 has an extrusion rod 231 vertically sliding therein, the moving groove 24 has a moving plate 241 horizontally sliding therein, the contact position of the moving plate 241 and the extrusion rod 231 is an inclined plane or an arc shape, specifically, an inclined plane in this embodiment, and the contact position of the top end of the extrusion rod 231 and the inclined plane of the moving plate 241 is an arc shape protruding outwards.
Two limiting grooves 121 for inserting the moving plate 241 are symmetrically formed in the side wall of the insertion rod 12; when the moving plate 241 is completely located in the moving groove 24, the bottom end of the extrusion rod 231 is located in the fixing groove 251, and one side of the extrusion rod 231 facing the opening of the fixing groove 251 is an inclined surface or an arc shape, specifically, an inclined surface in this embodiment; after one end of the moving plate 241 is inserted into the limiting groove 121, the bottom end of the pressing rod 231 enters the pressing groove 23. Since the moving plate 241 and the insertion rod 12 are relatively rotated when the moving plate 241 is inserted into the limiting groove 121, the actual opening width of the limiting groove 121 is larger than the width just for the moving plate 241 to be inserted.
When the upper column 2 or the lower column 1 is rotated to enable the insert 13 to be inserted into the fixing groove 251, the insert 13 extrudes the inclined surface of the extrusion rod 231 to enable the extrusion rod 231 to move upwards, the arc-shaped end of the extrusion rod 231 extrudes the inclined surface of the movable plate 241 to enable one end of the movable plate 241 to be inserted into the limiting groove 121, stability between the insert rod 12 and the upper column 2 is improved, and connection strength between the upper column 2 and the lower column 1 is further improved on the premise that construction steps are not increased.
Referring to fig. 5, a vertically arranged anti-drop groove 232 is formed in the inner side wall of the extrusion groove 23, an anti-drop block 233 is fixed to the side wall of the extrusion rod 231, and the anti-drop block 233 is lifted along with the extrusion rod 231 in the anti-drop groove 232; when the moving plate 241 is completely located in the moving groove 24 and the bottom end of the pressing rod 231 is located in the fixing groove 251, the anti-slip block 233 is located at the bottom end of the anti-slip groove 232. The extrusion rod 231 is prevented from falling off from the extrusion groove 23 as much as possible, and the installation convenience of the upper column 2 and the lower column 1 is improved.
The implementation principle of the connecting structure at the reverse bending point of the column in the embodiment of the application is as follows: the upper column 2 is lifted to be aligned with the lower column 1, the inserting column 11 is inserted into the inserting groove 21, meanwhile, the fixing piece 211 is inserted into the vertical groove 111, the inserting block 13 is inserted between the two fixing plates 25, the upper column 2 or the lower column 1 is rotated, the fixing piece 211 enters the horizontal groove 112, the inserting block 13 is inserted into the fixing groove 251, the inserting block 13 extrudes the inclined surface of the extrusion rod 231, the extrusion rod 231 moves upwards, the arc-shaped end of the extrusion rod 231 extrudes the inclined surface of the moving plate 241, and one end of the moving plate 241 is inserted into the limiting groove 121. Connecting the two semi-annular plates into a fixed enclosing plate 3, enclosing the connecting part between the upper column 2 and the lower column 1, and fixing the fixed enclosing plate 3 with the upper column 2 and the lower column 1 through a plurality of fixing bolts 33 and limiting bolts 32 respectively; and finally, grouting is carried out in the vertical groove 111 and the fixed enclosing plate 3 through the pouring hole 4, so that the construction is convenient and fast, and the connection strength is high.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (7)
1. The utility model provides a connection structure of recurve bend department of post which characterized in that: the fixing device comprises an inserting column (11) coaxially fixed on the upper end surface of a lower column (1), wherein a slot (21) for inserting the inserting column (11) is formed in the lower end surface of an upper column (2), a plurality of fixing pieces (211) are fixed on the inner wall of the slot (21), a plurality of vertical grooves (111) for inserting the fixing pieces (211) are formed in the edge of the upper end surface of the inserting column (11), and a transverse groove (112) for allowing the fixing pieces (211) to rotate into is formed in the side wall in the same direction in each vertical groove (111); a plurality of pouring holes (4) communicated with the vertical grooves (111) are formed in the circumferential side wall of the upper column (2); a plurality of fixing plates (25) are fixed on the lower end face of the upper column (2), a plurality of inserting blocks (13) are fixed on the upper end face of the lower column (1), the inserting blocks (13) are located between two adjacent fixing plates (25), and a fixing groove (251) is formed in the same side of each fixing plate (25); when the fixing piece (211) is rotated into the transverse groove (112), the inserting block (13) is rotated into the fixing groove (251); an inserting rod (12) is fixed on the upper end face of the inserting column (11), and a reinforcing groove (22) for inserting the inserting rod (12) is formed in the inner top wall of the inserting groove (21); a plurality of extrusion grooves (23) communicated with different fixing grooves (251) are formed in the lower end face of the upper column (2), and moving grooves (24) are communicated between the extrusion grooves (23) and the reinforcing grooves (22); an extrusion rod (231) is connected in the extrusion groove (23) in a sliding manner, a moving plate (241) is connected in the moving groove (24) in a sliding manner, and the contact position of the moving plate (241) and the extrusion rod (231) is an inclined plane or an arc shape; a plurality of limiting grooves (121) for inserting the moving plate (241) are formed in the side wall of the inserting rod (12), when the moving plate (241) is completely located in the moving groove (24), the bottom end of the extrusion rod (231) is located in the fixing groove (251), and one side, facing the opening of the fixing groove (251), of the extrusion rod (231) is inclined or arc-shaped.
2. The column recurved point connecting structure according to claim 1, characterized in that: the connecting part of the upper column (2) and the lower column (1) is fixed with a fixed enclosing plate (3), and the fixed enclosing plate (3) seals the space between the upper column (2) and the lower column (1).
3. The column recurve point connecting structure according to claim 2, wherein: an inner support ring (31) is fixed on the circumferential inner side wall of the fixed enclosing plate (3), the upper end face of the inner support ring (31) is attached to the lower end face of the upper column (2), and the lower end face of the inner support ring (31) is attached to the upper end face of the lower column (1).
4. The column recurve point connecting structure according to claim 2, wherein: a plurality of limiting bolts (32) are inserted into the fixed enclosing plate (3), the inner ends of the limiting bolts (32) penetrate through the fixed enclosing plate (3) and then are connected to the inserting columns (11) in a threaded mode, and the limiting bolts (32) are located at openings in the side portions of the fixed grooves (251) and abut against the inserting blocks (13).
5. The column recurved point connecting structure according to claim 4, characterized in that: the pouring hole (4) is also formed in the side wall of the fixed surrounding plate (3).
6. The column recurved point connecting structure according to claim 1, characterized in that: the contact position of the top end of the extrusion rod (231) and the moving plate (241) is in an outward convex arc shape.
7. The column recurved point connecting structure according to claim 1, characterized in that: an anti-falling groove (232) is formed in the inner side wall of the extrusion groove (23), and an anti-falling block (233) which slides in the anti-falling groove (232) is fixed to the side wall of the extrusion rod (231).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210053304.9A CN114517536B (en) | 2022-01-18 | 2022-01-18 | Connecting structure at reverse bending point of column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210053304.9A CN114517536B (en) | 2022-01-18 | 2022-01-18 | Connecting structure at reverse bending point of column |
Publications (2)
| Publication Number | Publication Date |
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| CN114517536A CN114517536A (en) | 2022-05-20 |
| CN114517536B true CN114517536B (en) | 2022-10-28 |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014020524A (en) * | 2012-07-23 | 2014-02-03 | Union Machinery Co Ltd | Engagement structure of plug and plug holder |
| CN209509312U (en) * | 2018-11-14 | 2019-10-18 | 温州城建集团股份有限公司 | A kind of building assembled cylinder |
| DE202019001434U1 (en) * | 2019-03-28 | 2019-06-13 | Fabian Guhl | Additive manufactured round profile connector with integrated locking mechanism |
| CN211707917U (en) * | 2019-12-11 | 2020-10-20 | 宁波德豪模架有限公司 | Leaded light strip die carrier of guide pillar easy to assemble |
| CN111287315B (en) * | 2020-02-10 | 2021-02-19 | 湖南省西城建设有限公司 | Ultrahigh-performance concrete prefabricated part and preparation method thereof |
| CN214575130U (en) * | 2020-12-29 | 2021-11-02 | 深圳市靓源建设集团有限公司 | Assembly type archaizing upright column assembling structure |
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