CN211549685U - Regular polygonal steel arch frame for supporting circular vertical shaft - Google Patents
Regular polygonal steel arch frame for supporting circular vertical shaft Download PDFInfo
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- CN211549685U CN211549685U CN201922147601.6U CN201922147601U CN211549685U CN 211549685 U CN211549685 U CN 211549685U CN 201922147601 U CN201922147601 U CN 201922147601U CN 211549685 U CN211549685 U CN 211549685U
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Abstract
The regular polygonal steel arch for supporting the circular vertical shaft comprises H-shaped steel sections, wherein the H-shaped steel sections are connected end to form an annular steel arch, a single section of the H-shaped steel section is connected by a plurality of H-shaped steels, and the included angles between every two adjacent H-shaped steels are the same. The both ends of H shaped steel festival section all are equipped with a connection otic placode, and two adjacent H shaped steel festival sections pass two connection otic placodes realization on the link through connecting bolt and connect fixedly. Through adopting above-mentioned structure, through welding formation steel bow member, the device need not bend high strength H shaped steel, only needs an electric welder and two ordinary workers can accomplish the preparation work, and the processing cost is low, and the preparation is convenient.
Description
Technical Field
The utility model relates to a shaft construction field, specific is a regular polygon steel bow member for circular shaft is strutted.
Background
The existing excavation supporting of the circular vertical shaft generally adopts a mortar anchor rod or bent I-shaped steel as a supporting mode. The mortar anchor rod is used as a support mode, has large use limitation and is not suitable for IV, V and other surrounding rocks which are broken or severely weathered. The bent I-steel serves as a supporting mode, the self-processing cost is high, bending equipment, personnel and a processing field need to be configured, more loss can be generated, and if finished steel arches are purchased, the finished steel arches need to be customized, the purchasing cost is high, and the transportation and the installation are inconvenient.
Disclosure of Invention
The utility model aims to solve the technical problem that a just polygonal steel bow member for circular shaft is strutted is provided, forms the steel bow member through the welding, and the device need not bend high strength H shaped steel, only needs an electric welder and two ordinary workers can accomplish the preparation work, and the processing cost is low, and the preparation is convenient.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the regular polygonal steel arch for supporting the circular vertical shaft comprises H-shaped steel sections, wherein the H-shaped steel sections are connected end to form an annular steel arch, a single section of the H-shaped steel section is connected by a plurality of H-shaped steels, and the included angles between every two adjacent H-shaped steels are the same.
In the preferred scheme, two ends of each H-shaped steel segment are provided with a connecting lug plate, and two adjacent H-shaped steel segments penetrate through the two connecting lug plates on the connecting ends through connecting bolts to realize connection and fixation.
In the preferred scheme, a plurality of H-shaped steels forming a single section of the H-shaped steel section are connected end to end in a welding manner, a welding seam is formed at the connecting position, and a reinforcing plate is respectively welded in the upper groove body and the lower groove body of the H-shaped steel section corresponding to the welding seam.
In a preferred scheme, the connecting lug plate is provided with a connecting hole for a connecting bolt to pass through.
In an optimal scheme, two groups of connecting holes are respectively arranged on connecting lug plates on two sides of a web plate of the H-shaped steel, a single group of connecting holes comprise at least two holes, and the holes are arranged symmetrically to the web plate of the H-shaped steel.
The utility model provides a regular polygon steel bow member for circular shaft is strutted, through adopting above-mentioned structure, has following beneficial effect:
(1) the bending operation process of the H-shaped steel is omitted, a series of bending devices are not required to be configured, and the processing process is easier and more labor-saving;
(2) the manufacturing process only needs to carry out cutting and welding, and the diameter of the whole steel arch can be adjusted by adjusting the length of a single H-shaped steel according to actual requirements, so that the efficiency of the steel arch machining and manufacturing operation is obviously improved.
Drawings
The invention will be further explained with reference to the following figures and examples:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the single section H-shaped steel section of the present invention.
Fig. 3 is the schematic view of the three-dimensional structure of a single section of H-section steel.
In the figure: the steel arch centering 1, connect otic placode 2, connecting bolt 3, reinforcing plate 4, H shaped steel segment 5, welding seam 6, H shaped steel 7, connecting hole 8.
Detailed Description
Example 1:
as shown in fig. 1-3, the regular polygonal steel arch for circular shaft support comprises H-shaped steel sections 5, wherein the H-shaped steel sections 5 are connected end to form an annular steel arch 1, a plurality of H-shaped steel sections 7 are connected to form a single H-shaped steel section 5, and the included angles between two adjacent H-shaped steel sections 7 are the same.
In the preferred scheme, the two ends of each H-shaped steel section 5 are provided with a connecting lug plate 2, and the two adjacent H-shaped steel sections 5 penetrate through the two connecting lug plates 2 on the connecting end through the connecting bolts 3 to realize connection and fixation.
In the preferred scheme, a plurality of H-shaped steels 7 forming a single section of the H-shaped steel section 5 are connected end to end in a welding manner, a welding seam 6 is formed at the connecting position, and a reinforcing plate 4 is welded in the upper groove body and the lower groove body of the H-shaped steel section 5 corresponding to the welding seam 6 respectively.
In a preferred scheme, the connecting lug plate 2 is provided with a connecting hole 8 for the connecting bolt 3 to pass through.
In an optimal scheme, two groups of connecting holes 8 are respectively arranged on the connecting lug plates 2 on two sides of the web plate of the H-shaped steel 7, a single group of connecting holes 8 comprise at least two holes, and the holes are arranged symmetrically to the web plate of the H-shaped steel 7.
Example 2:
taking fig. 1 as an example, the whole steel arch 1 comprises five H-shaped steel segments 5, each H-shaped steel segment 5 is formed by welding root-free H-shaped steel, the whole steel arch 1 forms a regular 25-sided shape, the inner angle sum (25-2) × 180=4140 °, 4140 °/25 of the steel arch 1 obtains an included angle between two adjacent H-shaped steel 7 of 165.6 °, in the actual manufacturing process, the length of a single H-shaped steel 7 is determined according to the diameter of a vertical shaft, then the included angle between two adjacent H-shaped steel 7 of a hole is 165.6 °, welding is performed, finally the five H-shaped steel segments 5 shown in fig. 2 are manufactured, and finally installation is performed.
Through adopting above-mentioned structure, replaced the mode of current H shaped steel curved system steel bow, simplified the preparation flow of steel bow, practiced thrift manpower and materials, improved steel bow member preparation efficiency.
Claims (5)
1. A regular polygon steel bow member for circular shaft is strutted, characterized by: including H shaped steel segment (5), H shaped steel segment (5) end to end connect and form annular steel bow member (1), single section H shaped steel segment (5) are connected by many H shaped steel (7), the contained angle between two adjacent H shaped steel (7) is the same.
2. A regular polygonal steel arch for circular shaft support according to claim 1, wherein: the both ends of H shaped steel festival section (5) all be equipped with one and connect otic placode (2), two adjacent H shaped steel festival sections (5) pass two on the link through connecting bolt (3) and connect otic placodes (2) and realize connecting fixedly.
3. A regular polygonal steel arch for circular shaft support according to claim 1, wherein: the H-shaped steel sections (7) of the H-shaped steel sections (5) are connected end to end in a welding mode, welding seams (6) are formed at the connecting positions, and reinforcing plates (4) are welded in the upper groove body and the lower groove body of the H-shaped steel sections (5) corresponding to the welding seams (6) respectively.
4. A regular polygonal steel arch for circular shaft support according to claim 2, wherein: the connecting ear plate (2) is provided with a connecting hole (8) for the connecting bolt (3) to pass through.
5. A regular polygonal steel arch for circular shaft support according to claim 4, wherein: the connecting holes (8) are two groups and are respectively arranged on the connecting lug plates (2) on two sides of the web plate of the H-shaped steel (7), the single group of connecting holes (8) comprises at least two holes, and the holes are arranged symmetrically to the web plate of the H-shaped steel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922147601.6U CN211549685U (en) | 2019-12-04 | 2019-12-04 | Regular polygonal steel arch frame for supporting circular vertical shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922147601.6U CN211549685U (en) | 2019-12-04 | 2019-12-04 | Regular polygonal steel arch frame for supporting circular vertical shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211549685U true CN211549685U (en) | 2020-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922147601.6U Active CN211549685U (en) | 2019-12-04 | 2019-12-04 | Regular polygonal steel arch frame for supporting circular vertical shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211549685U (en) |
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2019
- 2019-12-04 CN CN201922147601.6U patent/CN211549685U/en active Active
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