CN219826859U - Longitudinal connection structure of steel arch - Google Patents
Longitudinal connection structure of steel arch Download PDFInfo
- Publication number
- CN219826859U CN219826859U CN202321325876.4U CN202321325876U CN219826859U CN 219826859 U CN219826859 U CN 219826859U CN 202321325876 U CN202321325876 U CN 202321325876U CN 219826859 U CN219826859 U CN 219826859U
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- China
- Prior art keywords
- steel
- longitudinal connecting
- nuts
- connecting structure
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 119
- 239000010959 steel Substances 0.000 title claims abstract description 119
- 238000003466 welding Methods 0.000 description 12
- 125000006850 spacer group Chemical group 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 238000005520 cutting process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000011378 shotcrete Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
Abstract
The utility model relates to a longitudinal connecting structure of a steel arch, which is used for connecting two oppositely arranged word steels, and comprises longitudinal connecting steel bars, gaskets and nuts; the end parts of the longitudinal connecting steel bars penetrate through the corresponding I-steel, and the gasket and the nut are sleeved on the longitudinal connecting steel bars; the gaskets and the nuts are arranged on two sides of the corresponding I-steel, and the gaskets are arranged between the nuts and the corresponding I-steel; the nuts are in threaded connection with the longitudinal connecting steel bars, and the nuts positioned on two sides of the I-steel can clamp the I-steel and the gaskets. According to the utility model, the I-steel, the gasket and the nut are connected through the longitudinal connecting steel bars, and the I-steel and the gasket are clamped and fixed from two sides through the nut, so that the stability of the longitudinal connecting structure of the steel arch frame is enhanced, the connecting quality of the longitudinal connecting structure can be ensured, and the bearing capacity of the longitudinal connecting structure can be improved.
Description
Technical Field
The utility model relates to the field of steel frame connection engineering, in particular to a longitudinal connection structure of a steel arch.
Background
In the present tunnel engineering construction, for setting up steel arch frame sections (taking I20a I-steel as an example), the connection between the longitudinal directions of the steel arch frames is usually carried out by adopting phi 22 steel bars, the connection mode is relatively single, a welding mode is usually adopted, and the setting position is usually at the outer side or the inner side of a flange plate.
The longitudinal connection of the steel arch in the tunnel adopts a welding mode, the welding length is not guaranteed, the phi 22 steel bars are used as longitudinal connecting bars, the single-sided welding length is required to be 22cm (10 d), and the double-sided welding length is required to be 11cm (5 d). The steel arch is I20a I-steel, the width of the wing plate is 10cm, and the welding length is not guaranteed. If the welding position is arranged on the inner side of the steel arch, the flatness of sprayed concrete in the next working procedure is affected, and the thickness of the reinforcement protection layer is insufficient; if the welding position is arranged on the outer side of the steel arch and is close to one side of the surrounding rock, the operation is not easy, and the welding quality can be influenced.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provides a longitudinal connecting structure of a steel arch, and solves the problems that the inner side of the steel arch is welded to influence the subsequent concrete flatness; and the welding is performed on the outer side of the steel arch, so that the operation is not easy, and the welding quality is affected.
The technical scheme for achieving the purpose is as follows: a steel arch longitudinal connecting structure is used for connecting two oppositely arranged I-steels (12), and comprises a longitudinal connecting steel bar (11), a gasket (13) and a nut (14); the end parts of the longitudinal connecting steel bars (11) penetrate through the corresponding I-shaped steel bars (12), and the gaskets (13) and the nuts (14) are sleeved on the longitudinal connecting steel bars (11); the gaskets (13) and the nuts (14) are arranged on two sides of the corresponding I-steel (12), and the gaskets (13) are arranged between the nuts (14) and the corresponding I-steel (12); the nuts (14) are in threaded connection with the longitudinal connecting steel bars (11), and the nuts (14) positioned on two sides of the I-steel (12) can clamp the I-steel (12) and the gaskets (13).
According to the utility model, the I-steel (12), the gasket (13) and the nut (14) are connected through the longitudinal connecting steel bar (11), and the I-steel (12) and the gasket (13) are clamped and fixed from two sides through the nut (14), so that the stability of the longitudinal connecting structure (10) is enhanced, the connecting quality of the longitudinal connecting structure can be ensured, and the bearing force of the longitudinal connecting structure can be improved.
A further improvement of the steel arch longitudinal connecting structure of the utility model is that the I-steel (12) comprises: a web (121) and a wing (122); the web (121) is provided with a first round hole (1211) for the longitudinal connecting steel bar (11) to pass through; the aperture of the first round hole (1211) is the same as the aperture of the inner hole (141) of the nut. In the utility model, the first round hole (1211) is arranged on the web (121) of the I-steel (12), so that the influence on the I-steel (12) is reduced, and the operability in mounting is improved.
In the longitudinal connecting structure, the first wire section (111) and the second wire section (112) are formed at two ends of the longitudinal connecting steel bar (11), and the lengths of the first wire section (111) and the second wire section (112) are equal. According to the utility model, the two ends of the longitudinal connecting steel bar (11) are threaded through the threading machine to obtain the first thread section (111) and the second thread section (112) which are matched with the nuts (14), the threading and welding of the longitudinal connecting steel bar (11) are different, and the thread section can ensure the quality of the connecting part of the longitudinal connecting steel bar (11).
In the longitudinal connecting structure, two nuts (14) are arranged in one group, and the first thread section (111) and the second thread section (112) are connected with the two groups of nuts (14) in a threaded manner. According to the utility model, two groups of nuts (14) are arranged on the first wire section (111) and the second wire section (112), and the two groups of nuts (14) can enhance the stability of a longitudinal connecting structure after being screwed.
In the longitudinal connecting structure, a second round hole (131) for the longitudinal connecting steel bar (11) to pass through is formed in the gasket (13); the aperture of the second round hole (131) is the same as the aperture of the inner hole (141) of the nut. According to the utility model, the gasket (13) is sleeved on the longitudinal connecting steel bar (11) through the second round hole (131), the contact area of the gasket (13) and the I-steel (12) is larger than the contact area of the nut (14) and the I-steel (12) which are directly fixed, the friction area can be enlarged, and the capacity of fixing the I-steel by the nut (12) can be enhanced through the gasket (13).
In the longitudinal connecting structure, the gasket (13) is a steel gasket. In the utility model, the material for manufacturing the steel gasket is easy to obtain, and the cost can be reduced.
In the longitudinal connecting structure, the size of the gasket (13) is larger than that of the nut (14). In the utility model, the side length of the gasket (13) is larger than the diameter of the nut (14), and the gasket (13) with larger size can better fix the I-steel (12) on the inner side.
In the longitudinal connecting structure, the outer contour of the gasket (13) is square. In the utility model, the working procedure of manufacturing the square gasket (13) is simpler, and the waste of consumable materials can be reduced.
Drawings
Fig. 1 is a cross-sectional view of a steel arch longitudinal connecting structure (1) of the present utility model.
Fig. 2 is a cross-sectional view of the longitudinal connecting structure (10) of the present utility model.
Fig. 3 is a cross-sectional view of the spacer (13) in the longitudinal joint structure (10) of the present utility model.
Fig. 4 is a cross-sectional view of the nut (14) in the longitudinal connecting structure (10) of the present utility model.
Fig. 5 is a top view of the i-beam (12) in the longitudinal joint structure (10) of the present utility model.
Fig. 6 is a plan view of the longitudinal connecting bar (11) in the longitudinal connecting structure (10) of the present utility model.
In the figure: 1. a steel arch longitudinal connecting structure; 10. a longitudinal connecting structure; 11. longitudinally connecting the steel bars; 12. i-steel; 121. a web; 1211. a first round hole; 122. a wing plate; 13. a gasket; 131. a second round hole; 14. a nut; 141. and (5) a nut inner hole.
Detailed Description
The utility model will be further described with reference to the drawings and the specific examples.
Referring to fig. 1 and 2, fig. 1 shows a cross-sectional view of a steel arch longitudinal connecting structure 1 of the present utility model, and fig. 2 shows a cross-sectional view of a longitudinal connecting structure (10) of the present utility model. The utility model provides a steel arch longitudinal connecting structure which is used for connecting two oppositely arranged I-steels 12 and comprises longitudinal connecting steel bars 11, gaskets 13 and nuts 14.
Wherein, the length of the longitudinal connecting steel bars 11 is fixed, in this embodiment, phi 22 longitudinal connecting steel bars with the length of 1m are selected.
The end parts of the longitudinal connecting steel bars 11 pass through the corresponding I-steel 12, and gaskets 13 and nuts 14 are sleeved on the longitudinal connecting steel bars 11.
Referring to fig. 3, there is shown a cross-sectional view of a spacer (13) in a longitudinal connecting structure (10) according to the present utility model, in which the spacer (13) is a square spacer having a side length of 6cm and a thickness of 10 mm.
In other embodiments, the length of the spacer 13 may be adjusted as desired, without any limitation.
Referring to fig. 4, there is shown a cross-sectional view of the nut (14) of the longitudinal connecting structure (10) of the present utility model, wherein the nut 14 is an M22 hexagonal nut, and the bore diameter of the nut inner bore 141 is adapted to the diameter of the longitudinal connecting bar 11.
Referring to fig. 5, a top view of an i-beam (12) in the longitudinal connection of a steel arch according to the utility model is shown. The i-steel 12 in the longitudinal connecting structure of the steel arch of the present utility model comprises: a web 121 and a wing 122; the web 121 is provided with a first round hole 1211 for the longitudinal connecting steel bar 11 to pass through; the aperture of the first circular hole 1211 is the same as the aperture of the nut inner hole 141.
Wherein, I-steel 12 is I20a I-steel, and the width of pterygoid lamina 122 is 10cm.
In the present embodiment, the first circular hole 1211 is drilled in the web 121, the aperture of the first circular hole 1211 is determined, and the aperture of the first circular hole 1211 is 22mm.
Referring to fig. 6, there is shown a top view of the longitudinal connecting bar (11) of the longitudinal connecting structure (10) of the present utility model. The two ends of the longitudinal connecting steel bar 11 are provided with a first wire section 111 and a second wire section 112; the first wire section 111 is equal in length to the second wire section 112.
The first wire segment 111 and the second wire segment 112 are obtained by threading two ends of the longitudinal connecting steel bar 11 through a wire threading machine, the lengths of the first wire segment 111 and the second wire segment 112 are determined, and the lengths of the first wire segment 111 and the second wire segment 112 are 100mm.
In other embodiments, the length of the wire segment may be determined according to the total thickness of the i-steel 12, the washer 13 and the nut 14, and the lengths of the first wire segment 111 and the second wire segment 112 may be different, which is not limited herein.
In the longitudinal connecting structure of the utility model, two nuts 14 are arranged in one group, and two groups of nuts 14 are connected on the first thread section 111 and the second thread section 112 in a threaded manner.
In this embodiment, the two opposite side walls of the two nuts 14 in a group are completely adhered, and the two nuts 14 can be regarded as a whole.
In other embodiments, nuts 14 may be a single set or may be a set of three, without limitation.
Referring to fig. 3, which shows a top view of a spacer (13) in the longitudinal connecting structure of the steel arch, the spacer (13) of the present utility model is provided with a second round hole 131 for the longitudinal connecting bar (11) to pass through; the aperture of the second circular hole 131 is the same as the aperture of the nut inner hole 141.
The aperture of the second round hole 131 is determined, the aperture of the second round hole 131 is 22mm, and the aperture of the second round hole 131 is consistent with the diameter of the longitudinal connecting steel bar 11 and the aperture of the nut inner hole 141.
In other embodiments, the aperture of the second circular hole 131 may be changed according to the diameter of the longitudinal joint bar 11, without limitation.
In the longitudinal connecting structure of the steel arch, the gasket 13 is a steel gasket. In the embodiment, the steel gasket can be manufactured by blanking and cutting the steel plate, so that the cost is reduced.
In the longitudinal connecting structure of the steel arch, the outer contour of the gasket 13 is square.
In other embodiments, the shape of the spacer 13 may be rectangular or circular, which is not limited herein.
The utility model relates to a manufacturing process of a related part of a longitudinal connecting structure of a steel arch, which comprises the steps of material drawing, cutting, drilling and threading.
Wherein, the material is prepared by preparing a longitudinal connecting steel bar 11, an I-steel 12, steel plate blanking and a nut 14; the cutting is to cut the gasket material to obtain gaskets 13 with the same size; the drilling is to drill a first round hole 121 and a second round hole 131 on the I-steel 12 and the gasket 13 respectively, wherein the diameters of the first round hole 121 and the second round hole 131 are the same as the bore diameter of the nut inner hole 141; the threading is to thread the two ends of the longitudinal connecting steel bar 11 by a threading machine, and the lengths of the thread segments on the two sides are the same.
The utility model relates to an installation process of a steel arch longitudinal connecting structure, which comprises the steps of sequentially penetrating a group of nuts 14 and gaskets 13 on a first wire section 111, then penetrating the first wire section through a I-steel 12, sleeving the gaskets 13 and the group of nuts 14 on the end parts of the first wire section, screwing the two groups of nuts 14 on two sides of the I-steel 12, and installing and checking whether the nuts 14 are screwed; the sequence of the sequential installation on the second wire section 112 is the same as described above, and will not be described in detail herein.
The present utility model has been described in detail with reference to the embodiments of the drawings, and those skilled in the art can make various modifications to the utility model based on the above description. Accordingly, certain details of the illustrated embodiments are not to be taken as limiting the utility model, which is defined by the appended claims.
Claims (8)
1. A steel arch longitudinal connection for connecting two oppositely arranged i-steels (12), characterized in that it comprises:
a longitudinal connecting steel bar (11), a gasket (13) and a nut (14);
the end parts of the longitudinal connecting steel bars (11) penetrate through the corresponding I-shaped steel bars (12), and the gaskets (13) and the nuts (14) are sleeved on the longitudinal connecting steel bars (11);
the gaskets (13) and the nuts (14) are arranged on two sides of the corresponding I-steel (12), and the gaskets (13) are arranged between the nuts (14) and the corresponding I-steel (12);
the nuts (14) are in threaded connection with the longitudinal connecting steel bars (11), and the nuts (14) positioned on two sides of the I-steel (12) can clamp the I-steel (12) and the gaskets (13).
2. A steel arch longitudinal connecting structure according to claim 1, wherein said i-steel (12) comprises:
a web (121) and a wing (122);
the web (121) is provided with a first round hole (1211) for the longitudinal connecting steel bar (11) to pass through;
the aperture of the first round hole (1211) is the same as the aperture of the inner hole (141) of the nut.
3. A longitudinal connecting structure according to claim 1, characterized in that the longitudinal connecting bar (11) is formed with a first wire section (111) and a second wire section (112) at both ends, the first wire section (111) and the second wire section (112) being equal in length.
4. A longitudinal connecting structure according to claim 3, characterized in that said nuts (14) are provided in groups of two, said nuts (14) being provided in groups of two screwed on said first thread segments (111) and on said second thread segments (112).
5. A longitudinal connecting structure according to claim 1, wherein the gasket (13) is provided with a second round hole (131) through which the longitudinal connecting bar (11) passes;
the aperture of the second round hole (131) is the same as the aperture of the inner hole (141) of the nut.
6. A steel arch longitudinal connecting structure according to claim 1, wherein the shims (13) are steel shims.
7. A steel arch longitudinal connecting structure according to claim 1, wherein the washer (13) has a size larger than the size of the nut (14).
8. A steel arch longitudinal connecting structure according to claim 1, characterized in that the outer contour of the shims (13) is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321325876.4U CN219826859U (en) | 2023-05-29 | 2023-05-29 | Longitudinal connection structure of steel arch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321325876.4U CN219826859U (en) | 2023-05-29 | 2023-05-29 | Longitudinal connection structure of steel arch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219826859U true CN219826859U (en) | 2023-10-13 |
Family
ID=88247355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321325876.4U Active CN219826859U (en) | 2023-05-29 | 2023-05-29 | Longitudinal connection structure of steel arch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219826859U (en) |
-
2023
- 2023-05-29 CN CN202321325876.4U patent/CN219826859U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |