CN211421599U - Quick connection structure of steel core concrete column - Google Patents
Quick connection structure of steel core concrete column Download PDFInfo
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- CN211421599U CN211421599U CN201921545819.0U CN201921545819U CN211421599U CN 211421599 U CN211421599 U CN 211421599U CN 201921545819 U CN201921545819 U CN 201921545819U CN 211421599 U CN211421599 U CN 211421599U
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Abstract
The utility model discloses a steel pipe concrete column fast connecting structure, which comprises a lower steel pipe, an upper steel pipe, connectors, a reinforcement cage and a crossbeam, wherein the upper steel pipe is arranged right above the lower steel pipe, four connectors are arranged between the lower steel pipe and the upper steel pipe, the four connectors are connected through connecting bolts, and the connectors are connected with the upper steel pipe and the lower steel pipe through the connecting bolts, the reinforcement cage is arranged inside the connecting positions of the upper steel pipe, the lower steel pipe and the connectors, and the crossbeam is connected with one end of each connector facing to the outside, the utility model solves the problems that the existing connecting structure can be firmly connected with the steel pipes, but the connecting structure is inconvenient to disassemble, the connecting structure is difficult to disassemble when a house needs to be disassembled at the later stage, and the connecting structure which can not be disassembled has poor use flexibility and is difficult to repair when partial damage occurs, if the connecting structure is replaced again, the stability of the concrete filled steel tubular column is easily influenced.
Description
Technical Field
The utility model relates to a concrete column connection structure technical field specifically is a steel core concrete column quick connect structure.
Background
The steel pipe concrete is a structural member which is formed by filling concrete in a steel pipe and can bear the action of external load together with the steel pipe and core concrete thereof, and can be divided into round steel pipe concrete, square and rectangular steel pipe concrete, polygonal steel pipe concrete and the like according to different section forms; as is known, concrete has high compressive strength but weak bending resistance, while steel, especially section steel, has strong bending resistance and good elastoplasticity, but is easy to destabilize under compression to lose axial compressive capacity; the steel pipe concrete can combine the advantages of the two structurally, the concrete can be in a lateral compression state, the compression strength can be improved by times, meanwhile, due to the existence of the concrete, the rigidity of the steel pipe is improved, the two play a role together, the bearing capacity is greatly improved, and the steel pipe concrete is used as a novel combined structure, mainly takes compression components with small axial compression and small acting force eccentricity as main components, and is widely used in a frame structure.
The steel core concrete column is to going to the construction and welding connection structure on steel pipe specific position in advance as required to the convenience is convenient for build the crossbeam between each steel core concrete when building the house frame in the later stage, but this kind of current connection structure has following problem: although the existing connecting structure can be firmly connected with a steel pipe, the connecting structure is inconvenient to detach, so that the connecting structure is difficult to detach when a house needs to be detached in the later period, the connecting structure which cannot be detached is poor in use flexibility, and is often difficult to repair when parts are damaged, and if the connecting structure is replaced again, the stability of the concrete-filled steel pipe column is easily influenced, and great hidden danger is caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steel core concrete column quick connect structure, aim at improving this kind of current connection structure though can be firm and the steel pipe is connected, but this kind of connection structure is inconvenient to be dismantled, lead to the connection structure difficult to dismantle when needing to demolish the house in later stage, connection structure that simultaneously can not dismantle uses the flexibility poor, often be difficult to repair when the part damages appearing, influence the stability of steel core concrete column easily again if change connection structure again, cause the problem of very big hidden danger.
The utility model discloses a realize like this:
a steel tube concrete column fast connection structure comprises a lower steel tube, an upper steel tube, connectors, a steel reinforcement cage and a cross beam, wherein the top end of the lower steel tube is provided with a connecting plate, the outer diameter of the connecting plate is larger than that of the lower steel tube, a plurality of reinforcing plates are uniformly arranged on the arc side surface of the lower steel tube along the position attached to the lower surface of the connecting plate, an upper steel tube is arranged right above the lower steel tube, the diameter of the upper steel tube is the same as that of the lower steel tube, the bottom of the upper steel tube is provided with a structure the same as that of the top of the lower steel tube, four connectors are arranged between the lower steel tube and the upper steel tube, the four connectors are connected through connecting bolts, mounting plates are symmetrically arranged at the upper end and the lower end of each connector, arc bayonets are arranged at the positions of the connectors facing the axes of the lower steel, go up steel pipe, lower steel pipe and connector hookup location inside and be equipped with the steel reinforcement cage, the connector all is connected with the crossbeam towards the one end of outside.
Furthermore, connecting holes are formed in the middle between every two adjacent reinforcing plates on the upper edge of the connecting plate, grouting holes are formed in the middle of the connecting plate, and the diameter of each grouting hole is smaller than the inner diameter of the lower steel pipe; the connecting hole is convenient for the bolt to pass, thereby conveniently link together connector and lower steel pipe through the bolt, the slip casting is carried out to the inside slip casting that carries out of steel pipe under the grout hole is convenient for, thereby make things convenient for pouring of concrete column, the steel reinforcement cage that also is convenient for of slip casting hole simultaneously passes, make the steel core concrete column junction stable through pouring conveniently, the diameter in slip casting hole is less than the internal diameter messenger of steel pipe down can be stable combination between steel pipe and the concrete, intensity when conveniently reinforcing whole steel core concrete.
Furthermore, the connecting holes of the upper steel pipe and the connecting holes of the lower steel pipe are aligned with each other, and the grouting holes of the upper steel pipe and the grouting holes of the lower steel pipe are also aligned with each other; this kind of structure is convenient for go up steel pipe cooperation steel pipe down and is used, also is convenient for simultaneously at last steel pipe and be equipped with the connector down between the steel pipe, makes things convenient for the installation and the dismantlement of connector, and the cooperation connector of also being convenient for simultaneously makes concrete filled steel tube's overall stability stronger, also makes the use flexibility of connector stronger.
Furthermore, splice plates are arranged on two sides of the connector along a direction perpendicular to the arc bayonet, a plurality of connecting holes are uniformly formed in the splice plates from top to bottom, and connecting holes are formed in the mounting plate at positions aligned with the connecting holes of the upper steel pipe and the lower steel pipe; the splice plate is convenient for connect through connecting bolt between two adjacent connectors, and the connecting hole of splice plate is convenient for connecting bolt to pass to make things convenient for the connector to connect, the connecting hole of mounting panel is convenient for to cooperate steel pipe and lower steel pipe, thereby conveniently goes up the steel pipe and is connected with the connector with lower steel pipe, the installation and the dismantlement of the connector of being convenient for.
Furthermore, two support plates are symmetrically arranged between the two mounting plates and are perpendicular to the mounting plates, two rows of connecting holes are uniformly formed in the support plates from top to bottom, and the connecting holes of the two support plates are aligned with each other; the backup pad is convenient for make the intensity between two mounting panels obtain increasing to put the stability of anxious connector, also be convenient for insert the crossbeam between two backup pads simultaneously, thereby make things convenient for crossbeam and connector to connect, make things convenient for the installation of crossbeam, the connecting hole is convenient for the bolt to pass, thereby the connecting bolt of being convenient for passes the connecting hole, and then the convenience links together crossbeam and connector.
Furthermore, the steel reinforcement cage is composed of a limiting cage and a connecting cage, the limiting cage is arranged on the top of the lower steel pipe and the bottom of the upper steel pipe, the two limiting cages are connected together through the connecting cage, the diameter of the connecting cage is smaller than that of the grouting hole, and the outer diameter of the limiting cage is larger than that of the connecting cage and smaller than that of the grouting hole; spacing cage is convenient for cooperate with last steel pipe and lower steel pipe, thereby make things convenient for the stability of steel core concrete column coupling part, the connecting hole is convenient for link together two spacing cages, be convenient for when the connector is dismantled, the concrete column corresponds connector position department can be stable, be convenient for the installation and the dismantlement of connector, the diameter of connecting hole is less than the diameter in injected hole, the steel reinforcement cage of the diameter this kind of structure that the external diameter of spacing cage is greater than the diameter of connecting the cage and is less than the injected hole has also made things convenient for the use of putting uneasy steel reinforcement cage when watering again.
Furthermore, a plug is arranged at a position, aligned between the two support plates, of the cross beam, a corresponding connecting hole is also arranged at a position, aligned with the connecting hole of the support plate, on the plug, and the plug is close to the arc side surface of the connector but is not in contact with the arc side surface of the connector; the plug is convenient for crossbeam and connector to be connected to make things convenient for setting up of crossbeam, the connecting hole is convenient for connecting bolt to pass, thereby conveniently links together crossbeam and connector through connecting bolt, but the plug is close to connector circular arc side but contactless avoids the plug to influence the connection between steel pipe, lower steel pipe and the connector.
When in use, the crane is used for hoisting the lower steel pipe, then the bottom end of the lower steel pipe is aligned with the steel bars reserved on the foundation or the building layer, then the lower steel pipe is covered on the steel bars, then the lower steel pipe is stably connected with the foundation or the building layer in a welding or bolt connection mode, then concrete is grouted from the grouting hole at the top of the lower steel pipe into the lower steel pipe, and grouting and vibrating are carried out simultaneously in the grouting process, so that unstable concrete can be uniformly solidified in the lower steel pipe, when the concrete is grouted to a position close to a grouting opening, the bottom end of a pre-pricked steel bar cage is inserted into the grouting hole, then grouting is continued until the concrete reaches the grouting opening to stop grouting, then the four connectors are connected into a whole through connecting bolts, then the connectors spliced by the crane are hoisted and are installed at the top end of the lower steel pipe, when the concrete is completely solidified, the cross beam is lifted by the crane to enable the plug of the cross beam to be inserted between the connecting support plates, then link together the backup pad through connecting bolt can, if the plug takes place to interfere with the mounting panel when the installation crossbeam and can adopt the cutting machine to cut the mounting panel at connector top along cutting between two backup pads when being difficult to insert between two backup pads, then carry out the installation of crossbeam again.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a connection structure to the steel core concrete column improves and optimizes, make the connection structure of steel core concrete column need not the welding at the steel pipe, connection structure's use flexibility has been strengthened, the connection structure's of being convenient for use, and this kind of connection structure adopts the mode of concatenation, be convenient for can conveniently maintain connection structure when connection structure appears the part and damages, and do not influence whole steel core concrete's stability, this kind of connection structure has made things convenient for the later stage to dismantle the house simultaneously, be convenient for dismantle connection structure fast, can effectual improvement connection structure's utilization ratio, the connection structure's of being convenient for waste.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of the connection structure of the present invention at a front depression;
fig. 2 is a schematic structural view of the connection structure of the present invention at a depression angle;
FIG. 3 is a schematic structural view of the lower steel tube of the present invention at a front depression;
FIG. 4 is a schematic structural view of the lower steel tube of the present invention at a front depression;
fig. 5 is a schematic structural view of the connector of the present invention at a front depression;
fig. 6 is a schematic structural view of the connection head of the present invention under a rear depression;
fig. 7 is a schematic structural view of the reinforcement cage of the present invention under a front depression;
fig. 8 is a schematic structural view of the cross beam of the present invention at a front depression;
in the figure: 1-placing a steel pipe; 11-a reinforcing plate; 12-a connecting plate; 121-grouting holes; 122-connecting hole; 2, steel pipe installation; 3-a connector; 30-mounting a plate; 31-arc bayonet; 32-splice plates; 33-a support plate; 4-a reinforcement cage; 41-a limit cage; 42-a connecting cage; 5-a cross beam; 51-a plug; 6-connecting the bolt.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example (b): referring to fig. 1 and 2: a steel pipe concrete column quick connection structure comprises a lower steel pipe 1, an upper steel pipe 2, a connector 3, a reinforcement cage 4 and a cross beam 5; an upper steel pipe 2 is arranged right above the lower steel pipe 1, four connectors 3 are arranged between the lower steel pipe 1 and the upper steel pipe 2, the four connectors 3 are connected through connecting bolts 6, the connectors 3 are connected with the upper steel pipe 2 and the lower steel pipe 1 through the connecting bolts 6, a reinforcement cage 4 is arranged inside the connecting positions of the upper steel pipe 2, the lower steel pipe 1 and the connectors 3, and one ends, facing outwards, of the connectors 3 are connected with a cross beam 5; the lower steel tube 1 is convenient to connect with a foundation or a building body, a concrete column is convenient to pour, the upper steel tube 2 is convenient to match with the lower steel tube 1, so that the whole concrete column is convenient to pour, meanwhile, the upper steel tube 2 and the lower steel tube 1 are also convenient to match with the connector 3, the connector 3 is convenient to install stably, and the whole steel tube concrete column is also convenient to stabilize, and the structure also facilitates the installation and the disassembly of the connector 3, so that the use flexibility of the connector 3 is convenient to improve, the strength of the joint of the steel tube concrete column is convenient to strengthen by the reinforcement cage 4, so that the whole steel tube concrete column is convenient to stably use, the cross beam 5 is convenient to connect with the connector 3, so that the whole cross beam 5 is convenient to erect, the cross beam 5 is convenient; this kind of structure makes the connection structure of steel pipe concrete column need not the welding at the steel pipe, connection structure's use flexibility has been strengthened, the connection structure's of being convenient for use, and this kind of connection structure adopts the mode of concatenation, be convenient for can conveniently maintain connection structure when connection structure appears the part and damages, and do not influence whole steel pipe concrete's stability, this kind of connection structure has made things convenient for the later stage to dismantle the house simultaneously, be convenient for dismantle connection structure fast, can effectual improvement connection structure's utilization ratio, the connection structure's of being convenient for waste.
Referring to fig. 3 and 4: the top end of the lower steel pipe 1 is provided with a connecting plate 12, the outer diameter of the connecting plate 12 is larger than that of the lower steel pipe 1, and a plurality of reinforcing plates 11 are uniformly arranged on the arc side surface of the lower steel pipe 1 along the position attached to the lower surface of the connecting plate 12; the connecting plate 12 is convenient to be connected with the lower steel tube 1 and the connector 3, so that the connector 3 is convenient to be combined with the lower steel tube 1, the outer diameter of the connecting plate 12 is larger than that of the lower steel tube 1, so that the lower steel tube 1 is convenient to be connected with the connector 3 through the connecting bolt 6, and therefore the connector 3 is convenient to mount and dismount, the reinforcing plate 11 is convenient for the connecting plate 12 to be stably connected with the lower steel tube 1 and the connector 3, and therefore the whole steel tube concrete column is convenient to connect and dismount; a connecting hole 122 is formed in the middle of the connecting plate 12 between two adjacent reinforcing plates 11, a grouting hole 121 is formed in the middle of the connecting plate 12, and the diameter of the grouting hole 121 is smaller than the inner diameter of the lower steel pipe 1; the connecting hole 122 is convenient for a bolt to pass through, so that the connector 3 and the lower steel tube 1 are conveniently connected together through the bolt, the grouting hole 121 is convenient for grouting inside the lower steel tube 1, so that the concrete column is convenient to pour, meanwhile, the grouting hole is also convenient for the steel reinforcement cage 4 to pass through, so that the joint of the steel tube concrete column is convenient to stabilize through pouring, the diameter of the grouting hole 121 is smaller than the inner diameter of the lower steel tube 1, so that the lower steel tube 1 and the concrete can be stably combined, and the strength of the whole steel tube concrete is convenient to enhance; the pipe diameter of the upper steel pipe 2 is the same as that of the lower steel pipe 1, the bottom of the upper steel pipe 2 is provided with a structure the same as that of the top of the lower steel pipe 1, the connecting hole 122 of the upper steel pipe 2 is aligned with the connecting hole 122 of the lower steel pipe 1, and the grouting hole 121 of the upper steel pipe 2 is aligned with the grouting hole 121 of the lower steel pipe 1; this kind of structure is convenient for go up steel pipe 2 cooperation steel pipe 1 and is used down, also is convenient for simultaneously at last steel pipe 2 and be equipped with connector 3 down between steel pipe 1, makes things convenient for the installation and the dismantlement of connector 3, and the cooperation connector 3 of also being convenient for simultaneously makes the overall stability of steel pipe concrete stronger, also makes the usable flexibility of connector 3 stronger.
Referring to fig. 5 and 6: mounting plates 30 are symmetrically arranged at the upper end and the lower end of the connector 3, arc bayonets 31 are arranged at the positions, facing the axes of the lower steel pipe 1 and the upper steel pipe 2, of the connector 3, and the radians of the arc bayonets 31 are the same as the radians of the inner walls of the upper steel pipe 2 and the lower steel pipe 1; the mounting plate 30 is conveniently connected with the cross beam 5, so that the mounting of the unstable cross beam 5 is avoided, the stable use of the cross beam 5 is facilitated, the arc-shaped bayonet 31 is convenient to match the radians of the inner walls of the upper steel tube 2 and the lower steel tube 1, the arc-shaped side surfaces of the concrete columns poured between the concrete column connectors 3 poured in the steel tubes are convenient to be consistent, the connectors 3 are also convenient to extrude by the upper steel tube 2 and the lower steel tube 1 mutually through the structure, and the stable mounting and dismounting of the connectors 3 are facilitated; splicing plates 32 are arranged on two sides of the connector 3 along a direction perpendicular to the arc-shaped bayonet 31, a plurality of connecting holes 122 are uniformly formed in the splicing plates 32 from top to bottom, and the connecting holes 122 are formed in the mounting plate 30 at positions aligned with the connecting holes 122 of the upper steel pipe 2 and the lower steel pipe 1; the splicing plates 32 are convenient for the connection between two adjacent connectors 3 through the connecting bolts 6, the connecting holes 122 of the splicing plates 32 are convenient for the connecting bolts 6 to pass through, so that the connectors 3 are convenient to connect, the connecting holes 122 of the mounting plate 30 are convenient for the matching of the upper steel pipe 2 and the lower steel pipe 1, so that the upper steel pipe 2 and the lower steel pipe 1 are convenient to connect with the connectors 3, and the installation and the disassembly of the connectors 3 are convenient; two support plates 33 are symmetrically arranged between the two mounting plates 30, the support plates 33 are perpendicular to the mounting plates 30, two rows of connecting holes 122 are uniformly formed in the support plates 33 from top to bottom, and the connecting holes 122 of the two support plates 33 are aligned with each other; backup pad 33 is convenient for make the intensity between two mounting panels 30 obtain increasing, thereby put the stability of anxious connector 3, also be convenient for insert crossbeam 5 between two backup pads 33 simultaneously, thereby make things convenient for crossbeam 5 and connector 3 to connect, make things convenient for the installation of crossbeam 5, connecting hole 122 is convenient for the bolt to pass, thereby be convenient for connecting bolt 6 to pass connecting hole 122, and then conveniently link together crossbeam 5 and connector 3.
Referring to fig. 7 and 8: the reinforcement cage 4 is composed of a limiting cage 41 and a connecting cage 42, the limiting cage 41 is arranged on the top of the lower steel pipe 1 and the bottom of the upper steel pipe 2, the two limiting cages 41 are connected together through the connecting cage 42, the diameter of the connecting cage 42 is smaller than that of the grouting hole 121, and the outer diameter of the limiting cage 41 is larger than that of the connecting cage 42 and smaller than that of the grouting hole 121; the limiting cages 41 are convenient to be matched with the upper steel tube 2 and the lower steel tube 1, so that the connection part of the concrete filled steel tube column is convenient to stabilize, the two limiting cages 41 are convenient to be connected together through the connecting holes 122, the position, corresponding to the connector 3, of the concrete filled steel tube column can be stable when the connector 3 is detached, the connector 3 is convenient to mount and detach, the diameter of the connecting holes 122 is smaller than that of the grouting holes 121, and the reinforcing cage 4 with the structure that the outer diameter of the limiting cages 41 is larger than that of the connecting cages 42 and smaller than that of the grouting holes 121 is also convenient to use when the reinforcing cage 4 is poured again; a plug 51 is arranged at a position of the beam 5 aligned between the two support plates 33, a corresponding connecting hole 122 is also arranged at a position of the plug 51 aligned with the connecting hole 122 of the support plate 33, and the plug 51 is close to the arc side surface of the connector 3 but is not contacted; the plug 51 is convenient for the crossbeam 5 and the connector 3 to be connected to make things convenient for erectting of crossbeam 5, connecting hole 122 is convenient for connecting bolt 6 to pass, thereby conveniently links together crossbeam 5 and connector 3 through connecting bolt 6, but the plug 51 is close to the connector 3 circular arc side and the contactless is to avoid the plug 51 to influence the connection between steel pipe 2, lower steel pipe 1 and the connector 3.
The connection method comprises the following steps: firstly hoisting a lower steel pipe 1 by using a crane, aligning the bottom end of the lower steel pipe 1 with a reserved steel bar on a foundation or a building layer, then covering the lower steel pipe 1 on the steel bar, then stably connecting the lower steel pipe 1 with the foundation or the building layer by welding or bolting the lower steel pipe 1, then grouting concrete into the lower steel pipe 1 from a grouting hole 121 at the top of the lower steel pipe 1, and vibrating while grouting in the grouting process, so that unstable concrete can be uniformly solidified in the lower steel pipe 1, inserting the bottom end of a pre-tied reinforcement cage 4 into the grouting hole 121 when the concrete is grouted to a position close to the grouting opening, then continuing grouting until the concrete reaches the grouting opening to stop grouting, then mutually connecting four connectors 3 into a whole by connecting bolts 6, then hoisting the connectors 3 spliced by the crane and installing the connectors 3 at the top end of the lower steel pipe 1, when the concrete pouring device is installed, the connecting holes 122 of the connectors 3 and the connecting holes 122 of the lower steel pipes 1 are aligned with each other, then a plurality of connecting bolts 6 penetrate through the connecting holes 122 of the lower steel pipes 1 and the connectors 3 to be aligned for limiting, then grouting is carried out in a space formed by the four connectors 3 until concrete reaches the top ends of the connectors 3, grouting is stopped, then the upper steel pipes 2 are lifted by a crane, so that the bottom ends of the upper steel pipes 2 are aligned with the connectors 3 and are sleeved on the upper half parts of the reinforcement cages 4, when the upper steel pipes 2 are aligned with the connecting holes 122 of the connectors 3, the longer connecting bolts 6 penetrate through the connecting holes 122 of the upper reinforcement cage 4, the connectors 3 and the lower reinforcement cage 4 in sequence and are connected together through nuts, then concrete is poured into the upper steel pipes 2 from the top parts of the upper steel pipes 2 until the concrete reaches the top parts of the upper steel pipes 2, the cross beam 5 is lifted by a crane, so that the plug 51 of the cross beam 5 is inserted between the connecting support plates 33, then the support plates 33 are connected together by the connecting bolt 6, when the cross beam 5 is installed, if the plug 51 and the mounting plate 30 interfere with each other and are difficult to be inserted between the two support plates 33, a cutting machine can be adopted to cut the mounting plate 30 at the top of the connector 3 along the space between the two support plates 33, and then the cross beam 5 is installed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a steel core concrete column quick connect structure which characterized in that: the steel tube reinforcing structure comprises a lower steel tube (1), an upper steel tube (2), connectors (3), a steel reinforcement cage (4) and a cross beam (5), wherein a connecting plate (12) is arranged at the top end of the lower steel tube (1), the outer diameter of the connecting plate (12) is larger than that of the lower steel tube (1), a plurality of reinforcing plates (11) are uniformly arranged on the arc side surface of the lower steel tube (1) along the position of the lower surface of the attaching connecting plate (12), the upper steel tube (2) is arranged right above the lower steel tube (1), the diameter of the upper steel tube (2) is the same as that of the lower steel tube (1), the bottom of the upper steel tube (2) is provided with a structure the same as that of the top of the lower steel tube (1), four connectors (3) are arranged between the lower steel tube (1) and the upper steel tube (2), the four connectors (3) are connected through connecting bolts (6), and, and connector (3) are equipped with arc bayonet (31) towards the position in lower steel pipe (1) and last steel pipe (2) axle center, the radian of arc bayonet (31) is the same with the radian of last steel pipe (2) and lower steel pipe (1) inner wall, connect through connecting bolt (6) between connector (3) and last steel pipe (2) and lower steel pipe (1), it is equipped with steel reinforcement cage (4) to go up steel pipe (2), lower steel pipe (1) and connector (3) hookup location inside, the one end of connector (3) towards the outside all is connected with crossbeam (5).
2. The steel pipe concrete column quick connection structure according to claim 1, characterized in that a connection hole (122) is formed in the middle of the connection plate (12) between two adjacent reinforcing plates (11), a grouting hole (121) is formed in the middle of the connection plate (12), and the diameter of the grouting hole (121) is smaller than the inner diameter of the lower steel pipe (1).
3. The quick connection structure of a concrete filled steel tubular column according to claim 2, characterized in that the connection holes (122) of the upper steel tube (2) and the connection holes (122) of the lower steel tube (1) are aligned with each other, and the grouting holes (121) of the upper steel tube (2) and the grouting holes (121) of the lower steel tube (1) are also aligned with each other.
4. The steel tube concrete column quick connection structure according to claim 3, wherein splicing plates (32) are arranged on two sides of the connector (3) along a direction perpendicular to the arc-shaped bayonet (31), the splicing plates (32) are uniformly provided with a plurality of connecting holes (122) from top to bottom, and the connecting holes (122) are formed in the mounting plate (30) at positions aligned with the connecting holes (122) of the upper steel tube (2) and the lower steel tube (1).
5. A steel core concrete column quick connect structure according to claim 4, characterized in that, two support plates (33) are symmetrically arranged between the two mounting plates (30), the support plates (33) are perpendicular to the mounting plates (30), and the support plates (33) are provided with two rows of connecting holes (122) from top to bottom uniformly, the connecting holes (122) of the two support plates (33) are aligned with each other.
6. The steel tube concrete column quick connection structure according to claim 5, characterized in that the reinforcement cage (4) is composed of a limiting cage (41) and a connecting cage (42), the top of the lower steel tube (1) and the bottom of the upper steel tube (2) are both provided with the limiting cage (41), the two limiting cages (41) are connected together through the connecting cage (42), the diameter of the connecting cage (42) is smaller than that of the grouting hole (121), and the outer diameter of the limiting cage (41) is larger than that of the connecting cage (42) and smaller than that of the grouting hole (121).
7. A steel tube concrete column quick connect structure according to claim 6, characterized in that the position of the cross beam (5) aligned between two support plates (33) is provided with a plug (51), the position of the plug (51) aligned with the connection hole (122) of the support plate (33) is also provided with a corresponding connection hole (122), and the plug (51) is close to the circular arc side of the connector (3) but not in contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921545819.0U CN211421599U (en) | 2019-09-18 | 2019-09-18 | Quick connection structure of steel core concrete column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921545819.0U CN211421599U (en) | 2019-09-18 | 2019-09-18 | Quick connection structure of steel core concrete column |
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| Publication Number | Publication Date |
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| CN211421599U true CN211421599U (en) | 2020-09-04 |
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| CN201921545819.0U Active CN211421599U (en) | 2019-09-18 | 2019-09-18 | Quick connection structure of steel core concrete column |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |