CN216041709U - Connecting joint mechanism for steel column base and foundation - Google Patents
Connecting joint mechanism for steel column base and foundation Download PDFInfo
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- CN216041709U CN216041709U CN202121918596.5U CN202121918596U CN216041709U CN 216041709 U CN216041709 U CN 216041709U CN 202121918596 U CN202121918596 U CN 202121918596U CN 216041709 U CN216041709 U CN 216041709U
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Abstract
The utility model relates to a connecting node mechanism for a steel column base and a foundation, which comprises a node base and a node adjusting layer, wherein the node base comprises a first bottom plate and a screw rod, and the screw rod is vertically arranged on the first bottom plate; the node adjusting layer comprises a second bottom plate and a nut, and the nut is vertically arranged on the second bottom plate and is rotationally fixed with the screw. Compared with the prior art, the connecting joint mechanism for the steel column base and the foundation can adjust the height of the connecting joint mechanism, so that the height of the concrete foundation can be quickly adjusted when the height of the concrete foundation does not reach the designed elevation, the total height of the connecting joint mechanism and the concrete foundation reaches the designed elevation, the construction efficiency is improved, and the construction labor is saved.
Description
Technical Field
The utility model relates to the technical field of steel structure engineering, in particular to a connecting joint mechanism for a steel column base and a foundation.
Background
Steel structural works are one of the major types of building structures, and steel columns are the steel members of the steel structural works that are used for supporting, and are generally fixed with a concrete foundation through a connection node mechanism. As shown in fig. 1, a conventional connection node mechanism includes a column base bottom plate B connected to a steel column base a, the column base bottom plate has a hole, an anchor bolt matched with the hole of the column base bottom plate is pre-embedded during installation when a concrete foundation C is poured, and then a steel column is hoisted to fix the column base bottom plate connected to the steel column to the anchor bolt, so that the steel column is fixed to the concrete foundation C. However, because the concrete foundation has low measurement accuracy in the casting process, the height of the concrete foundation after the casting is completed often cannot reach the designed elevation, and at this time, a concrete cushion block needs to be additionally manufactured to make up for the error between the concrete foundation and the designed elevation, which results in low construction efficiency and delayed construction period.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide the connecting node mechanism for the steel column base and the foundation, which is ingenious in structural design, can make up the error between the actual size and the designed elevation of the concrete foundation and is good in stability.
The utility model is realized by the following technical scheme: a connecting node mechanism of a steel column base and a foundation comprises a node base and a node adjusting layer, wherein the node base comprises a first bottom plate and a screw rod, and the screw rod is vertically arranged on the first bottom plate; the node adjusting layer comprises a second bottom plate and a nut, and the nut is vertically arranged on the second bottom plate and is rotationally fixed with the screw.
Compared with the prior art, the connecting joint mechanism for the steel column base and the foundation can adjust the height of the connecting joint mechanism, so that the height of the concrete foundation can be quickly adjusted when the height of the concrete foundation does not reach the designed elevation, the total height of the connecting joint mechanism and the concrete foundation reaches the designed elevation, the construction efficiency is improved, and the construction labor is saved.
Further, the node upper cover includes roof and lateral wall, roof and lateral wall fixed connection form half enclosed construction, the cap is located on the node regulation layer with the structural of node base combination can be fixed in the connected node structure with the steel column through the node upper cover of telling, and because the node upper cover can be fixed with the steel column base in advance, consequently need not to open the macropore when the bottom plate that connected node mechanism and concrete foundation need the trompil to the tensile strength, compressive strength and the shear strength of connected node mechanism have been improved.
Furthermore, the node upper cover is provided with a small hole, the small hole is used for injecting fillers into the inner side of the node upper cover, and the small hole is arranged to facilitate filler injection.
Further, the space intussuseption that constitutes after node base, node adjustment layer and node upper cover assemble has the concrete, and the concrete of packing has shock attenuation shock insulation's effect, can make node structure more firm simultaneously, has still strengthened node structure's leakproofness and waterproof nature.
Furthermore, the first bottom plate is fixedly connected with the concrete foundation through the connecting piece.
Drawings
Fig. 1 is a schematic diagram of a prior art connecting node mechanism.
Fig. 2 is a schematic sectional view of a connection node mechanism according to embodiment 1 of the present invention.
Fig. 3 is a schematic cross-sectional view of the node base of the connecting node mechanism shown in fig. 2.
Fig. 4 is a schematic sectional view of a node adjustment layer of the connection node mechanism shown in fig. 2.
Fig. 5 is a schematic cross-sectional view of a node cover of the connecting node mechanism shown in fig. 2.
Fig. 6 is a schematic sectional view of a connection node mechanism according to embodiment 2 of the present invention.
The technical scheme of the utility model is described in detail in the following with reference to the accompanying drawings.
Detailed Description
According to the utility model, the height of the connecting node mechanism of the steel column base and the concrete foundation is adjustable, so that when the pouring size of the concrete foundation does not reach the designed elevation, the connecting node mechanism can be used as a supplement of the concrete foundation and can be quickly adjusted to the designed elevation. The following examples are intended to illustrate the details.
Example 1
Please refer to fig. 2, which is a schematic cross-sectional view of a connection node mechanism according to embodiment 1 of the present invention. The connecting node mechanism comprises a node base 10, a node adjusting layer 20 and a node upper cover 30, wherein the node base 10 is fixed on a concrete foundation C; the node adjusting layer 20 is arranged above the node base 10 and can move relative to the node base 10, and the height of the connecting node mechanism can be adjusted through the node adjusting layer 20; the node upper cover 30 is arranged above the node adjusting layer 20, and the steel column base A is vertically arranged on the node upper cover 30.
Specifically, referring to fig. 3, fig. 3 is a schematic cross-sectional view of a node base of a connection node mechanism according to embodiment 1 of the present invention. The node base 10 comprises a first bottom plate 11 and a screw 12, wherein the first bottom plate 11 can be preferably a flat plate; the screw 12 is a cylinder, and the side surface of the screw 12 is provided with a raised external thread, and the screw 12 is vertically arranged on the first bottom plate 11, so that the stress is uniform, in this embodiment, the screw 12 is arranged at the center of the first bottom plate 11. When the first bottom plate 11 and the concrete foundation C are fixed by the anchor bolt, the surface of the first bottom plate 11 may be provided with a plurality of connecting holes, and the number of the connecting holes is optionally four, and the connecting holes are uniformly distributed by taking the screw 12 as the center.
Referring to fig. 4, which is a schematic cross-sectional view of a node adjusting layer of a connecting node mechanism according to embodiment 1 of the present invention, the node adjusting layer 20 includes a second bottom plate 21 and a nut 22, wherein the second bottom plate 21 may preferably be a flat plate; the nut 22 is a hollow cylinder with internal threads, and is vertically disposed on the second bottom plate 21, and in order to make the stress uniform, the nut 22 is disposed at the center of the second bottom plate 21 in this embodiment. In addition, the nut 22 is sleeved on the screw 12, and the internal thread of the nut 22 is rotatably matched with the external thread of the screw 12, so that the distance between the first bottom plate 11 and the second bottom plate 21, i.e. the height of the connection node mechanism, can be adjusted through the screw 12 and the nut 22.
Please refer to fig. 5, which is a schematic cross-sectional view of a node upper cover of a connection node mechanism according to embodiment 1 of the present invention, wherein the node upper cover 30 includes a top plate 31 and a side wall 32, the top plate 31 may preferably be a flat plate, the side wall 32 is a hollow geometric cylinder, a surface of the top plate 31 is fixedly connected with one end of the side wall 32 to form a semi-closed structure, and the node upper cover 30 is covered on a structure combining the node base 10 and the node adjusting layer 20 through the semi-closed structure. In addition, a small hole is formed in the side wall 32, and concrete can be injected into a space formed by the node upper cover 30, the node base 10 and the node adjusting layer 20 together through the small hole, so that the relative positions among the node base 10, the node adjusting layer 20 and the node upper cover 30 are more stable. In order to enable the shock absorption and shock isolation performance of the connecting node mechanism to be better, the concrete injected into the connecting node mechanism can be preferably polymer concrete with good elastic performance, the strength of the selected polymer concrete is 1 to 2 grades higher than that of concrete of a concrete foundation C, and meanwhile, the polymer concrete also has good friction performance with metal and can improve the tensile strength of the connecting node mechanism.
In order to ensure the strength performance of the connection node mechanism, the preferable areas of the first bottom plate 11 and the top plate 31 are determined according to the strength of the concrete below the first bottom plate and the vertical load of the steel column base A, and the concrete is prevented from being fractured due to overlarge pressure; the preferable area of the second bottom plate 21 is determined according to the seismic fortification intensity of a construction area and the vertical load of the steel column base A, and the thickness of the second bottom plate is 2-4 mm thicker than that of the top plate 31; the preferred diameter of the screw 12 is determined by the strength of the steel material and the load of the steel column base A, so as to prevent deformation caused by too large a pressure and too small a diameter.
During construction, the joint base 10, the joint adjusting layer 20, and the joint upper cover 30 of the joint mechanism may be manufactured in a factory and then assembled on a construction site. During assembly, firstly, a concrete foundation C is poured, and the node base 10 is fixed on the concrete foundation C; then, the node adjusting layer 20 is assembled on the node base 10 through the screwing of the nut 22 and the screw 12, and the height of the connecting node mechanism can be adjusted by rotating the node adjusting layer 20 at the moment, so that the total height of the concrete foundation C and the connecting node mechanism reaches the designed elevation; the height is adjusted, and after the steel column base A is welded with the top cover 31 of the node upper cover 30, the node upper cover 30 is covered on the node adjusting layer 20; and finally, injecting polymer concrete into the connecting node mechanism through the small holes on the node upper cover 30 to completely fill the inner space of the connecting node mechanism, namely completing the assembly.
Compared with the prior art, the utility model solves the problem that the concrete foundation does not reach the designed elevation by adjusting the height of the connecting node mechanism, thereby improving the construction efficiency without secondary pouring and saving the construction manpower; moreover, the part of the connecting node mechanism connected with the concrete foundation can be installed in advance, so that the difficulty of hoisting column bases is avoided, and a large hole does not need to be formed when a hole needs to be formed in a bottom plate connected with the concrete foundation, so that the tensile strength, the compressive strength and the shear strength of the connecting node mechanism are improved; in addition, the elastic concrete is injected into the connecting node mechanism, so that shock absorption and shock insulation can be effectively realized, and due to the fact that the connecting node mechanism is of a separated structure, a buffer space which moves mutually is formed between the structures under the action of an earthquake force, and the shock absorption performance of the connecting node mechanism is further improved; meanwhile, the concrete injected into the connecting node mechanism can enhance the sealing property and the waterproofness of the connecting node mechanism.
Example 2
Please refer to fig. 6, which is a schematic cross-sectional view of a connection node mechanism according to embodiment 2 of the present invention. This connection node mechanism differs from that of embodiment 1 in that the connection node mechanism of embodiment 2 does not include the node upper cover 30 described in embodiment 1. During assembly, after the node base 10 and the node adjusting layer 20 are adjusted, the second bottom plate 21 in the node adjusting layer 20 is fixedly connected with the steel column base a, and the assembly is completed. In this embodiment, the structure and the assembly manner of the node base 10 and the node adjusting layer 20 are the same as those of embodiment 1, and therefore, the description thereof is omitted.
Compared with the prior art, the connected node mechanism of this embodiment can adjust self height when the concrete foundation does not reach the design elevation to make the total height of concrete foundation and connected node mechanism reach the design elevation, this required construction manpower and the engineering time of secondary pouring have been saved.
Obviously, the screw 12 of the node base 10 and the nut 22 of the node adjusting layer 20 of the connecting node mechanism of the present invention may be interchanged in implementation, that is, the nut 22 may be erected on the first bottom plate 11 of the node base 10, and the screw 12 may be erected on the second bottom plate 21 of the node adjusting layer 20.
The present invention is not limited to the above-described embodiments, and various modifications and variations of the present invention are intended to be included within the scope of the claims and the equivalent technology of the present invention if they do not depart from the spirit and scope of the present invention.
Claims (5)
1. The utility model provides a steel column base and basic connected node mechanism which characterized in that:
comprises a node base and a node adjusting layer,
the node base comprises a first bottom plate and a screw rod, and the screw rod is vertically arranged on the first bottom plate;
the node adjusting layer comprises a second bottom plate and a nut, and the nut is vertically arranged on the second bottom plate and is rotationally fixed with the screw.
2. A steel column foot to foundation interface node mechanism as claimed in claim 1 wherein:
still include a node upper cover, the node upper cover includes roof and lateral wall, roof and lateral wall fixed connection form half enclosed construction, the housing locates on the node the node regulation layer with the structural of node base combination.
3. A steel column foot to foundation interface node mechanism as claimed in claim 2 wherein:
the node upper cover is provided with a small hole, and the small hole is used for injecting fillers into the inner side of the node upper cover.
4. A steel column foot to foundation interface node mechanism as claimed in claim 3 wherein:
and concrete is filled in a space formed by assembling the node base, the node adjusting layer and the node upper cover.
5. A steel column foot and foundation interface node mechanism as claimed in any one of claims 1 to 4 wherein:
the first bottom plate is fixedly connected with the concrete foundation through the connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121918596.5U CN216041709U (en) | 2021-08-16 | 2021-08-16 | Connecting joint mechanism for steel column base and foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121918596.5U CN216041709U (en) | 2021-08-16 | 2021-08-16 | Connecting joint mechanism for steel column base and foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216041709U true CN216041709U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121918596.5U Active CN216041709U (en) | 2021-08-16 | 2021-08-16 | Connecting joint mechanism for steel column base and foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216041709U (en) |
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2021
- 2021-08-16 CN CN202121918596.5U patent/CN216041709U/en active Active
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