CN215802266U - Direct-insertion type bolt-free connecting joint of closed cavity column and steel beam - Google Patents
Direct-insertion type bolt-free connecting joint of closed cavity column and steel beam Download PDFInfo
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- CN215802266U CN215802266U CN202122274245.1U CN202122274245U CN215802266U CN 215802266 U CN215802266 U CN 215802266U CN 202122274245 U CN202122274245 U CN 202122274245U CN 215802266 U CN215802266 U CN 215802266U
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Abstract
The utility model provides a direct-insertion type bolt-free connecting node of a closed cavity column and a steel beam, which is characterized in that an upper ring plate and a lower ring plate are arranged at the connecting node of a first steel column and the steel beam, and a slot is formed in the side edge of the upper ring plate, so that the steel beam is connected with a web plate of the first steel column in a plug-in manner; the insertion connection structure between the steel beam and the first steel column can be improved by arranging corresponding insertion seams on the surface of the first steel column; compared with the traditional beam-column connecting structure, the beam-column connecting structure is simple in structure and clear in force transmission; a large number of high-strength bolts and double-sided clamping plates are omitted, and the cost is greatly reduced; the web plate of the steel beam does not need to be provided with a large number of bolt holes, and the base metal is not lost, so that the shearing force can be better transmitted between the beam columns; the plug-in type lap joint structure is convenient for adjusting the verticality and the flatness of the frame, reduces the installation difficulty, shortens the construction period and reduces the installation cost; in addition, in the field welding stage of later stage, the cooperation welding robot combines the BIM model, and welding quality can be guaranteed.
Description
Technical Field
The utility model relates to the technical field of buildings, in particular to a direct-insertion bolt-free connecting node of a closed cavity column and a steel beam.
Background
The post of closed cavity such as pipe, rectangular pipe, with being connected of girder steel, traditional typical way is original bracket assembly welding on the steel column, then with the web of girder steel, adopts high strength bolt, still need add splint a bit, carries out bolted connection. For a large-load frame structure, the using amount of the beam-column connecting joint bolts is large, the cost is high, and the construction is complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a beam-column plug-in type node, which saves the using amount of bolts and ensures that a beam-column connecting mechanism has better stress.
In order to achieve the purpose, the utility model provides a direct-insertion type bolt-free connecting node of a closed cavity column and a steel beam, which comprises a first steel column, the steel beam and a steel beam splicing steel structure;
the steel beam splicing steel structure comprises at least two annular plates and a connecting column, the annular plates are coaxially arranged up and down at a certain interval, and one connecting column is fixed between the adjacent annular plates up and down; the ring plate positioned at the bottom is welded at the top end of the first steel column; the first steel column, the annular plate and the connecting column are coaxially connected to form a coherent closed cavity column;
the steel beam comprises an upper flange, a lower flange and a web plate; the end part of the web plate is mutually inserted with the ring plate; after the web plate is spliced with the ring plate, the lower edge of the web plate is placed on the surface of one ring plate, the ring plate on which the web plate is placed serves as a bearing ring plate, the lower flange is mutually connected with the side edge of the bearing ring plate, and the upper flange is mutually connected with the ring plate positioned at the top; the ring plates above the bearing ring plates are provided with slots for being inserted into the end parts of the webs; the connecting parts of the steel beam and the annular plate are fixed by welding.
Preferably, after the web is inserted into the slot, the end of the web abuts against the surface of the connecting column, and the connecting column is connected with the end of the web by welding.
Preferably, the steel beam connection structure further comprises a limiting part for preventing the steel beam from falling laterally in the insertion stage, and the limiting part is fixed on the surface of the ring plate or the surface of the connection column.
Preferably, the limiting pieces are two limiting plates arranged in parallel, and a gap for inserting the web is reserved between the two limiting plates;
the two limiting plates and the web plate of the steel beam are provided with corresponding bolt holes, and after the steel beam is inserted and positioned, the steel beam is pre-fixed with the limiting plates through a single bolt.
Preferably, the number of the ring plates is two, and the two ring plates are respectively an upper ring plate positioned above and a lower ring plate positioned below; the lower ring plate is used as the bearing ring plate, and the side edge of the upper ring plate is provided with the slot; the upper edge of the web plate of the steel beam is inserted into the slot, and the lower edge of the web plate is placed on the surface of the lower annular plate.
Preferably, the number of the ring plates is three, and the three ring plates are respectively an upper ring plate positioned above, a lower ring plate positioned below and a middle ring plate positioned between the upper ring plate and the lower ring plate;
the number of the steel beams is multiple, and the steel beams are divided into a first steel beam and a second steel beam according to different heights of the web plates; the web height of the first steel beam is greater than the web height of the second steel beam;
when first girder steel is pegged graft with the crown plate, the crown plate is regarded as down the bearing crown plate, go up the crown plate with the lateral wall of well crown plate all is equipped with the slot, the tip of first girder steel web insert go up the crown plate with in the slot of middle part crown plate, the lower edge of first girder steel web rest in the surface of crown plate down.
Preferably, the surface of the connecting column is provided with an insertion seam for inserting the web plate, the end part of the web plate is inserted into the insertion seam along the slot of the upper annular plate, and the sealing connection between the web plate and the insertion seam is realized by welding.
Preferably, the steel beam splicing steel structure further comprises a second steel column coaxially welded with the ring plate at the top, and the second steel column is welded and fixed with the ring plate at the top through welding after concrete is poured in the first steel column and the steel beam splicing steel structure.
Preferably, the first steel column, the connecting column and the second steel column are columns with the same pipe diameter and shape, and comprise cylinders or rectangular columns.
Compared with the prior art, the utility model has the advantages that:
1. the structure is simple, and the force transmission is clear; after the bolts are omitted, a large number of bolt holes do not need to be formed in the web plate of the steel beam, the base material is lossless, the shearing force is better transmitted, secondary conduction of a traditional bolt connection node is omitted, and the whole stress structure is excellent.
2. The material consumption is reduced, and the manufacturing cost of the system is reduced; a large number of high-strength bolts and materials for the double-sided clamping plates are saved, and the cost is greatly reduced.
3. The steel beam is connected with the column in an inserting mode, perpendicularity and flatness of the frame are adjusted, installation difficulty is reduced, construction period is shortened, and installation cost is reduced.
4. The welding joint of girder steel and post can adopt welding robot to combine BIM model to realize the on-the-spot welding, reduces the cost of labor, and welding quality obtains guaranteeing.
Drawings
Fig. 1 is an overall structural schematic view of a direct-insertion bolt-free connection node of a closed cavity column and a steel beam in embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view of a direct-insertion bolt-free connection node of a closed cavity column and a steel beam in embodiment 1 of the utility model;
fig. 3 is an exploded view of a direct-insertion bolt-free connection node of a closed cavity column and a steel beam in embodiment 1 of the present invention;
FIG. 4 is an exploded cross-sectional view of a direct-insertion bolt-free connection node of a closed cavity column and a steel beam in embodiment 1 of the present invention;
fig. 5 is an overall structural schematic view of a direct-insertion bolt-free connection node of a closed cavity column and a steel beam of a three-layer ring plate structure in embodiment 2 of the present invention;
fig. 6 is a cross-sectional view of a direct-insertion bolt-free connection node of a closed cavity column and a steel beam of a three-layer ring plate structure in embodiment 2 of the present invention;
fig. 7 is an exploded view of a direct-insertion bolt-free connection node of a closed cavity column and a steel beam of a three-layer ring plate structure in embodiment 2 of the present invention;
fig. 8 is an exploded cross-sectional view of a direct-insertion bolt-free connection node of a closed cavity column and a steel beam of a three-layer ring plate structure in embodiment 2 of the present invention;
fig. 9 is an overall structural schematic view of a direct-insertion bolt-free connection node of a closed cavity column and a steel beam in embodiment 3 of the present invention;
FIG. 10 is a cross-sectional view of a direct-insertion bolt-free connection node of a closed cavity column and a steel beam in embodiment 3 of the present invention;
fig. 11 is an exploded view of a direct-insertion bolt-free connection node of a closed cavity column and a steel beam in embodiment 3 of the present invention;
fig. 12 is an exploded cross-sectional view of an in-line bolt-free connection node of a closed cavity column and a steel beam in embodiment 3 of the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be further described below.
Example 1:
as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a direct-insertion bolt-free connection node of a closed cavity column and a steel beam, which includes a connection column 4, an upper ring plate 1, a lower ring plate 2, a steel beam 3 and a limiting member for preventing the steel beam 3 from falling sideways at the insertion stage;
the upper ring plate 1 is welded on the upper end face of the connecting column 4, the lower ring plate 2 is welded on the lower end face of the connecting column 4, and the upper ring plate 1 and the lower ring plate 2 are coaxially connected with the connecting column 4; the side edge of the upper ring plate 1 is provided with a slot 11; the limiting part is fixed on the surface of the upper ring plate 1 or the connecting column 4.
The steel beam 3 comprises an upper flange 31, a lower flange 32 and a web 33; the upper edge of the web plate 33 is inserted into the slot 11, the lower edge of the web plate 33 is placed on the surface of the lower annular plate 2, the upper flange 31 of the steel beam 3 is mutually jointed with the side edge of the upper annular plate 1, and the lower flange 32 of the steel beam 3 is mutually jointed with the side edge of the lower annular plate 2; the upper ring plate 1, the lower ring plate 2 and the connecting parts of the connecting columns 4 and the steel beams 3 are fixed by welding; after the web 33 is inserted into the slot 11, the end of the web 33 abuts against the surface of the connecting column 4, and the connecting column 4 is connected with the end of the web 33 by welding.
In the embodiment, the limiting members are two limiting plates 7 arranged in parallel, and a gap of the insertion web 33 is reserved between the two limiting plates 7; all be equipped with corresponding bolt hole on the web 33 of two limiting plates 7 and girder steel 3, girder steel 3 pegs graft the location back, realize through single bolt with limiting plate 7 pre-fixed, play the condition that prevents that girder steel 3 grafting stage from appearing inclining, the welding in the later stage of being convenient for.
In the practical application process, the connection node can be used for connecting the end part of the first steel column and the steel beam 3, and can also be used for connecting the middle section of the upper and lower columns and the steel beam 3.
When being used for being connected between tip and the girder steel 3 of single first steel column, only including one weld in the first steel column 6 of 2 bottom surfaces of lower ring boards, first steel column 6 is arranged with spliced pole 4 is coaxial, links up and is a first steel column that links up and link up. And after welding and fixing, pouring concrete into the first steel column from the through hole in the middle of the upper ring plate 1, and finishing construction.
When the connecting structure is used for connecting the middle sections of the upper and lower columns and the steel beam 3, as shown in fig. 1 to 4, the connecting structure comprises a first steel column 6 welded with the bottom surface of the lower annular plate 2 and a second steel column 5 welded with the upper surface of the upper annular plate 1; the first steel column 6, the connecting column 4 and the second steel column 5 are coaxially connected to form a coherent closed cavity column, before the second steel column 5 is installed, concrete is poured into the first steel column 6 and the steel beam splicing steel structure from a through hole in the middle of the upper ring plate 1, the concrete inside the connecting column 4 and the first steel column 6 is completely poured, then the second steel column 5 is installed, and finally the concrete pouring inside the second steel column 5 is completed.
In this embodiment, the first steel column 6, the connecting column 4, and the second steel column 5 are cylinders with the same pipe diameter and shape, and may be cylinders or rectangular columns.
Example 2:
as shown in fig. 5, 6, 7 and 8, the embodiment 2 has a similar overall structure to that of the embodiment 1, and is technically distinguished in that the number of the ring plates of the embodiment 2 is three, namely, an upper ring plate 1 located above, a lower ring plate 2 located below, and a middle ring plate 8 located between the upper ring plate 1 and the lower ring plate 2;
the number of the steel beams is multiple, and the multiple steel beams are divided into a first steel beam 3 and a second steel beam 9 according to different heights of the web plates; the web height of the first steel beam 3 is greater than that of the second steel beam 9;
when the first steel beam 3 is spliced with the ring plate, the lower ring plate 2 serves as a bearing ring plate, slots are formed in the side walls of the upper ring plate 1 and the middle ring plate, the end portion of a web plate of the first steel beam 3 is inserted into the slots of the upper ring plate 1 and the middle ring plate 8, and the lower edge of the web plate of the first steel beam 3 is placed on the surface of the lower ring plate 2;
when second girder steel 9 and ring slab peg graft, middle part ring slab 8 is as the bearing ring slab, and in the slot of ring slab 1 was gone up along inserting to the last edge of second girder steel 9 web, the lower edge of second girder steel 9 web shelved in the surface of middle part ring slab 8, and middle part ring slab 8 need not to set up the slot that is used for pegging graft with the girder steel as the bearing ring slab this moment. The other welded structure of the steel beam and the column is the same as that of the embodiment 1.
The overlapping structure of embodiment 2 may be provided with a plurality of coaxial ring plates, not only two in embodiment 1, but also three in embodiment 2, depending on the height of the beam in each direction of the building floor, which is the most suitable embodiment in actual construction.
Example 3:
as shown in fig. 9, 10, 11 and 12, embodiment 3 is similar to embodiment 1 in overall structure, and also includes two ring plates, i.e., an upper ring plate 1 and a lower ring plate 2; the distinguishing technical characteristics are as follows: no limit plate is arranged, and the surface of the connecting column 4 is provided with an inserting slit 41 of the inserting web 33. The end part of the web plate 33 of the steel beam 3 is inserted into the insertion slot 41 along the slot 11 of the upper ring plate 1, the insertion slot 41 has a limiting effect on the web plate 33, and the limiting effect can play a role of a limiting plate in the embodiment 1, after the web plate 33 of the steel beam 3 is inserted into the insertion slot 41, the web plate 33 is hermetically connected with the insertion slot 41 through full welding, and meanwhile, the upper ring plate 1, the lower ring plate 2 and other connecting parts of the steel beam 3 are welded, so that the steel beam 3 and a steel column are fixedly connected. The rest of the structure and the use environment were the same as those of example 1. Compare in embodiment 1, the connection structure of embodiment 3 has removed the use of limiting plate from, also need not to carry out the trompil on limiting plate and web 33 surface, and web 33 does not have the loss completely, and the atress is stronger, and it is more convenient to assemble.
The economic advantages of the above embodiments 1, 2 and 3 compared to existing beam and column structures will be illustrated by the following specific embodiment comparisons:
for a frame structure with 12 × 12M column nets and 2 t/square meter floor load, 480M 24 × 120 high-strength bolts are needed to be arranged at the joint of the original main beam and the column (assuming that the column is connected with four beams), and a double-sided splint is adopted, the price of only the bolt part is 5000 yuan, and in addition, two 600 × 1000mm splints are arranged at the root of each beam, and the average weight is about 50 kg/block; the area of the floor is distributed, and the area exceeds 60 yuan/square meter. The utility model can save the price of the part and has great significance.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (9)
1. A direct-insertion type bolt-free connecting node of a closed cavity column and a steel beam is characterized by comprising a first steel column, the steel beam and a steel beam inserting steel structure;
the steel beam splicing steel structure comprises at least two annular plates and a connecting column, the annular plates are coaxially arranged up and down at a certain interval, and one connecting column is fixed between the adjacent annular plates up and down; the ring plate positioned at the bottom is welded at the top end of the first steel column; the first steel column, the annular plate and the connecting column are coaxially connected to form a coherent closed cavity column;
the steel beam comprises an upper flange, a lower flange and a web plate; the end part of the web plate is mutually inserted with the ring plate; after the web plate is spliced with the ring plate, the lower edge of the web plate is placed on the surface of one ring plate, the ring plate on which the web plate is placed serves as a bearing ring plate, the lower flange is mutually connected with the side edge of the bearing ring plate, and the upper flange is mutually connected with the ring plate positioned at the top; the ring plates above the bearing ring plates are provided with slots for being inserted into the end parts of the webs; the connecting parts of the steel beam and the annular plate are fixed by welding.
2. The direct-insertion bolt-free connection node of the closed cavity column and the steel beam as claimed in claim 1, wherein after the web is inserted into the slot, the end of the web is abutted against the surface of the connection column, and the connection between the connection column and the end of the web is achieved through welding.
3. An in-line bolt-free connection node of a closed cavity column and a steel beam according to claim 2, further comprising a limiting member for preventing the steel beam from falling sideways during the insertion stage, wherein the limiting member is fixed on the surface of the ring plate or the surface of the connection column.
4. The direct-insertion bolt-free connecting node of the closed cavity column and the steel beam according to claim 3, wherein the limiting pieces are two limiting plates arranged in parallel, and a gap for inserting the web is reserved between the two limiting plates;
the two limiting plates and the web plate of the steel beam are provided with corresponding bolt holes, and after the steel beam is inserted and positioned, the steel beam is pre-fixed with the limiting plates through a single bolt.
5. The direct-insertion bolt-free connecting joint of the closed cavity column and the steel beam as claimed in claim 2, wherein the number of the ring plates is two, namely an upper ring plate located at the upper part and a lower ring plate located at the lower part; the lower ring plate is used as the bearing ring plate, and the side edge of the upper ring plate is provided with the slot; the upper edge of the web plate of the steel beam is inserted into the slot, and the lower edge of the web plate is placed on the surface of the lower annular plate.
6. The direct-insertion bolt-free connecting joint of the closed cavity column and the steel beam as claimed in claim 2, wherein the number of the ring plates is three, and the three ring plates are respectively an upper ring plate positioned above, a lower ring plate positioned below and a middle ring plate positioned between the upper ring plate and the lower ring plate;
the number of the steel beams is multiple, and the steel beams are divided into a first steel beam and a second steel beam according to different heights of the web plates; the web height of the first steel beam is greater than the web height of the second steel beam;
when first girder steel is pegged graft with the crown plate, the crown plate is regarded as down the bearing crown plate, go up the crown plate with the lateral wall of well crown plate all is equipped with the slot, the tip of first girder steel web insert go up the crown plate with in the slot of middle part crown plate, the lower edge of first girder steel web rest in the surface of crown plate down.
7. The direct-insertion bolt-free connecting joint of the closed cavity column and the steel beam as claimed in claim 1, wherein the surface of the connecting column is provided with an insertion slot for inserting the web, the end of the web is inserted into the insertion slot along the slot of the upper ring plate, and the web and the insertion slot are hermetically connected by welding.
8. An in-line bolt-free connection node of a closed cavity column and a steel beam according to claim 1, further comprising a second steel column coaxially welded to the ring plate at the top, wherein the second steel column is welded and fixed to the ring plate at the top by welding after concrete is poured into the first steel column and the steel beam splicing steel structure.
9. The direct-insertion bolt-free connection node of the closed cavity column and the steel beam according to claim 6, wherein the first steel column, the connecting column and the second steel column are columns with the same pipe diameter and shape, and comprise cylinders or rectangular columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122274245.1U CN215802266U (en) | 2021-09-18 | 2021-09-18 | Direct-insertion type bolt-free connecting joint of closed cavity column and steel beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122274245.1U CN215802266U (en) | 2021-09-18 | 2021-09-18 | Direct-insertion type bolt-free connecting joint of closed cavity column and steel beam |
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| Publication Number | Publication Date |
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| CN215802266U true CN215802266U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122274245.1U Active CN215802266U (en) | 2021-09-18 | 2021-09-18 | Direct-insertion type bolt-free connecting joint of closed cavity column and steel beam |
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| CN (1) | CN215802266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892827A (en) * | 2022-05-11 | 2022-08-12 | 杭州万能绿建科技股份有限公司 | Double-buckle type light steel node |
-
2021
- 2021-09-18 CN CN202122274245.1U patent/CN215802266U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114892827A (en) * | 2022-05-11 | 2022-08-12 | 杭州万能绿建科技股份有限公司 | Double-buckle type light steel node |
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