CN220434311U - Secondary grouting-free exposed rigid joint column foot - Google Patents
Secondary grouting-free exposed rigid joint column foot Download PDFInfo
- Publication number
- CN220434311U CN220434311U CN202321893882.XU CN202321893882U CN220434311U CN 220434311 U CN220434311 U CN 220434311U CN 202321893882 U CN202321893882 U CN 202321893882U CN 220434311 U CN220434311 U CN 220434311U
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- column
- bottom plate
- nut
- base
- concrete
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 23
- 239000010959 steel Substances 0.000 claims abstract description 23
- 239000011440 grout Substances 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- Foundations (AREA)
Abstract
The utility model provides a secondary grouting-free exposed rigid column base, which comprises a column base bottom plate, a plurality of column base bolts, a plurality of nuts and at least one steel column, wherein a through hole which penetrates up and down is formed in the middle of the column base bottom plate, the steel column is fixed on the column base bottom plate and is communicated with the through hole, one end of the column base bolt penetrates through the column base bottom plate and is fixedly connected with the column base bottom plate through the nuts, the other end of the column base bolt is fixed in a concrete column, the concrete column is connected with the column base bottom plate through primary grouting forming, and the surface of the concrete column is abutted against the column base bottom plate and the through hole; according to the utility model, after the elevation of the column base bottom plate is determined by adjusting the nuts, the vibrating device is placed into the through holes of the column base bottom plate to compact the concrete at the bottom of the column base bottom plate, so that the manufacture of the concrete column can be completed, the cast concrete can be integrally formed, and secondary grouting is avoided.
Description
Technical Field
The utility model relates to the technical field of steel structures for elevator construction and installation, in particular to a secondary grouting-free exposed rigid column foot.
Background
With the continuous improvement of living standard of people and the increasing popularization of low-carbon environment-friendly living concepts, old communities are increasingly favored by people by additionally installing elevators, outdoor elevators are increasingly installed, the problems of safety, environment protection and construction speed of the outdoor elevators during construction are increasingly outstanding, how to accelerate the construction of a well can be ensured, the quality safety of the well can be ensured, and the environment-friendly construction site conditions are increasingly widely appreciated.
In the existing construction process for additionally installing elevators in old communities, steel structure assembly is mainly adopted, and exposed rigid column bases are adopted. However, the exposed rigid column foot needs secondary grouting, the process needs secondary formwork supporting and secondary grouting is adopted, the grouting is not compact easily, the requirement on the process skill is high, and the efficiency is low. Therefore, it is necessary to provide a post base exposed to the outside without secondary grouting to solve the above problems.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings of the prior art and provide the secondary grouting-free exposed rigid post base.
The utility model provides a exempt from secondary grout and expose formula just connect column shoe, includes column shoe bottom plate, a plurality of column shoe bolt, a plurality of nut and at least one steel stand, the through-hole that link up from top to bottom has been seted up at column shoe bottom plate's middle part, the steel stand is fixed column shoe bottom plate is last and with the through-hole intercommunication, column shoe bolt's one end is passed column shoe bottom plate and through the nut with column shoe bottom plate is connected fixedly, column shoe bolt's the other end is fixed in the concrete column, the concrete column with column shoe bottom plate is connected through the one shot forming, the surface of concrete column is contradicted column shoe bottom plate reaches the through-hole.
In one embodiment, the column base bottom plate is provided with a plurality of threaded connection holes with the through holes as the center, and the column base bolts penetrate through the threaded connection holes and are fixedly connected with the column base bottom plate through the nuts.
In an implementation manner of one embodiment, the column base bottom plate is provided with a plurality of connecting holes with the through hole as a center, a threaded sleeve is arranged below the column base bottom plate, the column base bolt is sequentially provided with the threaded sleeve, the column base bottom plate and a nut, the column base bottom plate is fixed between the threaded sleeve and the nut, and the threaded sleeve is fixed in the concrete column.
In one embodiment, the column shoe base plate has an L-shaped cross-section.
In one embodiment, a bolt spacer is provided between the nut and the toe box floor.
In one embodiment, the nut is a locknut, the nut comprises a nut body and a sub-nut arranged in the nut body, and the sub-nut comprises a base body, a threaded hole formed in the middle of the base body and a plurality of seams arranged on any side edge of the base body.
In one embodiment, the nut is a double nut.
In one embodiment, the lower end of the column foot bolt is bent with a transverse column.
In one embodiment, the connection between the steel upright and the column shoe base plate is provided with reinforcing ribs.
In one embodiment, any two concrete columns are connected through a concrete wall, and the concrete columns and the concrete wall are formed through one-time grouting.
The secondary grouting-free exposed rigid column foot has the beneficial effects that: after the elevation of the column base bottom plate is determined by the adjusting nut, the vibrating device is placed into the through hole of the column base bottom plate, so that the concrete at the bottom of the column base bottom plate is compact, the manufacture of the concrete column can be completed, the cast concrete can be integrally formed, and secondary grouting is omitted.
Drawings
FIG. 1 is a schematic view of a construction of a secondary grouting-free exposed rigid column foot in use according to the present utility model;
FIG. 2 is a schematic cross-sectional view of the post base of FIG. 1 of the present utility model;
FIG. 3 is a schematic view of a portion of the assembly of the post base of the present utility model of FIG. 1;
FIG. 4 is a schematic cross-sectional view of another embodiment of the post base of FIG. 1 free of secondary grouting exposure;
FIG. 5 is a schematic view of the nut of the post base of the present utility model of FIG. 1;
FIG. 6 is a schematic view of a portion of the assembly of the post base of the present utility model of FIG. 1;
fig. 7 is a top view of the post base of fig. 1 of the present utility model without secondary grouting exposure.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
The utility model provides a secondary grouting-free exposed rigid column base which comprises a column base bottom plate, a plurality of column base bolts, a plurality of nuts and at least one steel column, wherein a through hole which penetrates through the column base bottom plate vertically is formed in the middle of the column base bottom plate, the steel column is fixed on the column base bottom plate and is communicated with the through hole, one end of each column base bolt penetrates through the column base bottom plate and is fixedly connected with the column base bottom plate through the nuts, the other end of each column base bolt is fixed in a concrete column, the concrete column is connected with the column base bottom plate through primary grouting forming, and the surface of the concrete column is abutted against the column base bottom plate and the through hole.
According to the utility model, after the elevation of the column base bottom plate is determined by adjusting the nuts, the vibrating device is placed into the through holes of the column base bottom plate to compact the concrete at the bottom of the column base bottom plate, so that the manufacture of the concrete column can be completed, the cast concrete can be integrally formed, and secondary grouting is avoided.
Examples
Referring to fig. 1 to 3, the present utility model provides a secondary grouting-free exposed rigid column base, which comprises a column base bottom plate 1, a plurality of column base bolts 2, a plurality of nuts 3 and a steel column 4, wherein a through hole 11 penetrating up and down is formed in the middle of the column base bottom plate 1, the steel column 4 is fixed on the column base bottom plate 1 and is communicated with the through hole 11, one end of the column base bolt 2 penetrates through the column base bottom plate 1 and is fixedly connected with the column base bottom plate 1 through the nuts 3, the other end of the column base bolt 2 is fixed in a concrete column 5, the concrete column 5 is connected with the column base bottom plate 1 through primary grouting molding, and the surface of the concrete column 5 is abutted against the column base bottom plate 1 and the through hole 11.
More specifically, referring to fig. 2 and 3, the column base plate 1 is provided with a plurality of screw connection holes (not shown) centering on the through holes 11, and the column base bolts 2 pass through the screw connection holes and are fixedly connected with the column base plate 1 by nuts 3.
More specifically, referring to fig. 2 and 4, in another implementation manner of the present embodiment, a plurality of connection holes (not shown) are formed in the column base plate 1 around the through hole 11, a threaded sleeve 6 is disposed below the column base plate 1, the column base bolt 2 is sequentially provided with the threaded sleeve 6, the column base plate 1 and the nut 3, the column base plate 1 is fixed between the threaded sleeve 6 and the nut 3, and the threaded sleeve 6 is fixed in the concrete column 5.
More specifically, referring to fig. 2 to 4, a bolt gasket 7 is disposed between the nut 3 and the column base plate 1, and the bolt gasket 7 can effectively relieve pressure on the column base plate 1 caused by the nut 3, so as to improve connection stability. Wherein, preferably, the nut 3 is a double nut, and the double nut can improve the pressure resistance of the column foot bolt 2.
More preferably, referring to fig. 5, the nut 3 is a locknut, and includes a nut body 31 and a sub-nut 32 disposed in the nut body 31, wherein the sub-nut 32 includes a base 321, a threaded hole 322 formed in the middle of the base 321, and a plurality of seams 323 disposed on any side edge of the base 321, and the base 321 is in a shape of an inverted cone. During use, the sub-nut 321 is inserted into the nut body 1, the column leg bolt 2 is screwed into the threaded hole 322 of the sub-nut 2, then the nut body 31 is rotated to enable the nut body 31 to abut against the bolt gasket 7, then the nut body 31 is continuously rotated, the sub-nut 32 moves in the vertical direction relative to the nut body 31, the sub-nut 32 tightly holds the column leg bolt 2, and therefore the sub-nut 32 is locked with the nut body 31, the nut body 31 is locked with the bolt gasket 7, and the sub-nut 2 and the column leg bolt 2 are locked. The center lines of the sub-nut 32 and the nut body 31 of the locknut are overlapped and are held tightly in the center during assembly, so that the contact surface or joint surface of the sub-nut 32 and the nut body 31 is increased, the contact surface of the sub-nut 32 and the column leg bolt 2 is maximized, and the binding force of the whole assembly is enhanced. Only tapping of the sub-nuts 32 is required, which is less costly than the double-nut locking approach.
More specifically, referring to fig. 2, the lower end of the column foot bolt 2 is bent with a transverse column 21, and the transverse column 21 can increase the rigid connection between the column foot bolt 2 and the concrete column 5.
More specifically, referring to fig. 1 to 2, any two concrete columns 5 are connected by a concrete wall 8, and the concrete columns 5 and the concrete wall 8 are formed by one-time grouting. Wherein, because the thickness of the concrete wall 8 is smaller than that of the concrete column 5, the cross section of the column base bottom plate 1 is L-shaped for ensuring the beauty and the practicability.
After the elevation of the column base bottom plate is determined by adjusting the nut, the post base is placed into the vibrating device from the through hole of the column base bottom plate to compact the concrete at the bottom of the column base bottom plate, so that the manufacture of the concrete column can be finished, the cast concrete can be integrally formed, and secondary grouting is avoided.
According to the utility model, a concrete column 5, a column foot bottom plate 1 and a steel column 4 form a column, and four columns are adjacently connected through a concrete wall 8 to form an elevator shaft foundation.
As an alternative installation embodiment, a plurality of column base bolts 2 are fixedly connected in the steel bars of the concrete column 5, the column base bottom plate 1 is aligned with the column base bolts 2, a plurality of bolt gaskets 7 penetrate the column base bolts 2 and are arranged at the top of the column base bottom plate 1, and a plurality of nuts 3 are fixedly connected with the column base bolts 2 in a one-to-one correspondence manner through threads.
Referring to fig. 6 and 7, as an alternative installation embodiment, the steel upright 4 may be welded to the column shoe base plate 1 before concrete is poured, or the steel upright 4 may be welded to the column shoe base plate 1 after concrete is poured, and since the steel upright 4 is hollow and communicates with the through hole 11, a smaller-sized vibrating device is placed through the steel upright 4. The junction of steel stand 4 and column shoe bottom plate 1 is equipped with the reinforcement floor (not shown), prevents that steel stand 4 from inclining can strengthen the joint strength of column shoe bottom plate 1 and steel stand 4 simultaneously.
Forming exposed rigid column feet after fixing, wherein the four exposed rigid column feet are respectively arranged at four opposite angles of an elevator foundation; after the elevation of the column base bottom plate 1 is adjusted, when concrete is poured in the later stage, the column base bottom plate can be integrally formed, and the vibrating device is placed in the through hole 11 (also called as a column base bottom plate process hole) so that the concrete at the bottom of the column base bottom plate 1 is compact, and the column can be manufactured, so that secondary grouting is avoided.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. The utility model provides a exempt from secondary grout exposure formula just connects column shoe, its characterized in that, including column shoe bottom plate, a plurality of column shoe bolt, a plurality of nut and at least one steel stand, the through-hole that link up from top to bottom has been seted up at the middle part of column shoe bottom plate, the steel stand is fixed on the column shoe bottom plate and with the through-hole intercommunication, column shoe bolt's one end is passed column shoe bottom plate and through the nut with column shoe bottom plate connection is fixed, column shoe bolt's the other end is fixed in the concrete column, the concrete column with column shoe bottom plate passes through one-shot grouting shaping and is connected, the surface of concrete column is contradicted column shoe bottom plate reaches the through-hole.
2. The post base of claim 1, wherein the post base is further characterized by: the column base bottom plate takes the through hole as the center to be provided with a plurality of threaded connection holes, and the column base bolt penetrates through the threaded connection holes and is fixedly connected with the column base bottom plate through the nut.
3. The post base of claim 1, wherein the post base is further characterized by: the column foot bottom plate uses the through hole as the center and has seted up a plurality of connecting holes, the below of column foot bottom plate is equipped with the screw thread sleeve, column foot bottom plate and nut have been installed in proper order to the column foot bolt, the column foot bottom plate is fixed the screw thread sleeve with between the nut, the screw thread sleeve is fixed in the concrete column.
4. The post base of claim 1, wherein the post base is further characterized by: the section shape of the column base bottom plate is L-shaped.
5. The post base of claim 1, wherein the post base is further characterized by: and a bolt gasket is arranged between the nut and the column base bottom plate.
6. The post base of claim 1, wherein the post base is further characterized by: the nut is a locknut, the nut comprises a nut body and a sub-nut arranged in the nut body, and the sub-nut comprises a base body, a threaded hole formed in the middle of the base body and a plurality of seams arranged on any side edge of the base body.
7. The post base of claim 1, wherein the post base is further characterized by: the nut is a double nut.
8. The post base of claim 1, wherein the post base is further characterized by: the lower end of the column foot bolt is bent to form a transverse column.
9. The post base of claim 1, wherein the post base is further characterized by: and a reinforcing rib plate is arranged at the joint of the steel upright post and the column foot bottom plate.
10. The post base of claim 1, wherein the post base is further characterized by: any two concrete columns are connected through a concrete wall, and the concrete columns and the concrete wall are formed through one-time grouting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321893882.XU CN220434311U (en) | 2023-07-18 | 2023-07-18 | Secondary grouting-free exposed rigid joint column foot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321893882.XU CN220434311U (en) | 2023-07-18 | 2023-07-18 | Secondary grouting-free exposed rigid joint column foot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220434311U true CN220434311U (en) | 2024-02-02 |
Family
ID=89695271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321893882.XU Active CN220434311U (en) | 2023-07-18 | 2023-07-18 | Secondary grouting-free exposed rigid joint column foot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220434311U (en) |
-
2023
- 2023-07-18 CN CN202321893882.XU patent/CN220434311U/en active Active
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