CN219992162U - Novel inverted arch trestle - Google Patents
Novel inverted arch trestle Download PDFInfo
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- CN219992162U CN219992162U CN202321615900.8U CN202321615900U CN219992162U CN 219992162 U CN219992162 U CN 219992162U CN 202321615900 U CN202321615900 U CN 202321615900U CN 219992162 U CN219992162 U CN 219992162U
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- arch
- longeron
- arch structure
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- welded
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 21
- 238000000034 method Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a novel inverted arch trestle in the technical field of tunnel engineering, which comprises longitudinal beams and cross beams, wherein the cross beams are arranged on one side of the longitudinal beams, the longitudinal beams are provided with a plurality of cross beams, the tops of the longitudinal beams are provided with a plurality of stand columns, the tops of the stand columns are provided with arch structures, one side of each arch structure is provided with an arch connecting beam, and the other side of each arch connecting beam is provided with another arch structure; and the arch steel structure has stronger load bearing capacity, reduces maintenance times in the daily use process, and reduces the interference to construction.
Description
Technical Field
The utility model belongs to the technical field of tunnel engineering, and particularly relates to a novel inverted arch trestle.
Background
The kernel and tunnel inlets are located in new An Bao village, fu Ping county, shaanxi, and the outlets are located in Chen Pingcun of Cuchuan city. Tunnel origin mileage dk2+920 to dk5+793, tunnel length 2873m, is a single-line loess tunnel. The tunnel entrance and exit are all in the new loess, and are located farmland and economic forest, and traffic is inconvenient. The buried depth of the tunnel is 20-38 m. Except that the entrance of the tunnel is positioned on a curve with the radius of 2000m, the rest sections are positioned on straight lines, the longitudinal slope in the tunnel is a single-sided ascending slope of +12.5%o, the V-level standard section support type is a steel arch support of I16, and the arch spacing is 0.8m; the V-stage special section and the fan section are supported by steel arches with the type I18, and the arch spacing is 0.6m; the tunnel lining type is a composite lining, the sections DK2+920-DK3+ 356.21 (436.21 m in total) of the tunnel are positioned on a right deflection curve with R=2000 m, and the rest sections are straight sections. The tunnel is 12.5 per mill single-sided ascending slope, the soil body is stable only by excavating and releasing the slope because the loess self strength is low, and the inverted arch construction is kept consistent with the two lining construction joints (12 m) as much as possible, so the length of the inverted arch trestle is required to be longer.
The existing inverted arch trestle adopts a large-sized I-steel multi-piece spliced together or a double-layer structure, or adopts H-shaped steel. When the requirement length of the trestle is long, the requirement of structural rigidity is difficult to meet when a construction vehicle passes safely, or the consumption of raw materials is overlarge, the trestle is heavy, the construction cost is increased, the trestle is inconvenient to move, and the construction risk is large, so that the novel inverted arch trestle is provided.
Disclosure of Invention
The utility model aims to provide a novel inverted arch trestle, which solves the problems that in the background technology, the requirement on structural rigidity is difficult to meet, or the trestle is excessively consumed, the trestle is heavy in weight, so that the construction cost is increased, the trestle is inconvenient to move, and the construction risk is large.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel invert landing stage, includes longeron and crossbeam, longeron one side is located to the crossbeam, the longeron is equipped with a plurality ofly, the crossbeam also is equipped with a plurality ofly, the longeron top is equipped with the stand, the stand is equipped with a plurality ofly, the stand top is equipped with arch structure, arch structure one side is equipped with arch tie-beam, arch tie-beam opposite side also is equipped with another arch structure, arch structure surface is equipped with the safety flange, arch tie-beam surface is equipped with the screw steel, be equipped with left bracing between arch structure and the longeron, still be equipped with right bracing between arch structure and the longeron, the longeron bottom is equipped with the supporting seat, the supporting seat is equipped with two, the longeron both ends are equipped with auxiliary slope, auxiliary slope side is equipped with sealed display, auxiliary slope surface is equipped with pressure sensor, auxiliary slope surface still is equipped with the antislip strip.
Preferably, the cross beam is welded on one side of the longitudinal beam, and the top of the longitudinal beam is welded with an upright post.
Preferably, an arch structure is welded and fixed at the top of the upright post, an arch connecting beam is welded and fixed at one side of the arch structure, and another arch structure is welded and fixed at the other side of the arch connecting beam.
Preferably, the surface of the arch structure is fixedly connected with a safety flange, and the surface of the arch connecting beam is fixedly welded with screw steel.
Preferably, a left diagonal bracing is welded and fixed between the arch structure and the longitudinal beam, a right diagonal bracing is also welded and fixed between the arch structure and the longitudinal beam, and a supporting seat is welded and fixed at the bottom of the longitudinal beam.
Preferably, the auxiliary slopes are fixedly connected with two ends of the longitudinal beam, the sealing display is embedded in the side face of the auxiliary slope, the pressure sensor is fixedly connected with the surface of the auxiliary slope, the anti-slip strip is fixedly connected with the surface of the auxiliary slope, and the pressure sensor is electrically connected with the sealing display.
Compared with the prior art, the utility model has the beneficial effects that:
1. the beam, the cross beam, the arch structure, the upright post, the screw steel, the inclined strut and the supporting seat are arranged, so that the beam, the cross beam, the arch structure, the upright post, the screw steel, the inclined strut and the supporting seat can be formed by welding small-sized I-shaped steel on site, and can be reused to other construction parts after being used, the construction cost is reduced, the resources are saved, the flexibility of the trestle in the construction process is improved, and the construction risk is reduced; and the arch steel structure has stronger load bearing capacity, reduces maintenance times in the daily use process, and reduces the interference to construction.
2. Through auxiliary slope and antislip strip that are equipped with, can effectively help the construction vehicle to drive on the landing stage, and be difficult for skidding, the pressure sensor real-time supervision pressure data that is equipped with in time shows data at sealed display surface, and staff's accessible looks data monitoring landing stage compressive strength when pressure is too big, and staff commands the vehicle through unloading rethread, has effectively improved the life of landing stage.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of an exploded construction of the present utility model;
FIG. 3 is a schematic view of an auxiliary slope structure according to the present utility model;
fig. 4 is a schematic diagram of a skeleton structure of the present utility model.
In the figure: 1. a longitudinal beam; 2. a cross beam; 3. an arch structure; 4. an arched connecting beam; 5. a column; 6. screw thread steel; 7. a safety flange; 8. a left diagonal brace; 9. a right diagonal brace; 10. a support base; 11. an auxiliary slope; 12. sealing the display; 13. a pressure sensor; 14. an anti-slip strip.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a novel invert landing stage, including longeron 1 and crossbeam 2, longeron 1 one side is located to crossbeam 2, longeron 1 is equipped with a plurality ofly, crossbeam 2 also is equipped with a plurality ofly, longeron 1 top is equipped with stand 5, stand 5 is equipped with a plurality ofly, stand 5 top is equipped with arch structure 3, arch structure 3 one side is equipped with arch tie-beam 4, arch tie-beam 4 opposite side also is equipped with another arch structure 3, arch structure 3 surface is equipped with safe flange 7, arch tie-beam 4 surface is equipped with screw steel 6, be equipped with left bracing 8 between arch structure 3 and longeron 1, still be equipped with right bracing 9 between arch structure 3 and longeron 1, longeron 1 bottom is equipped with supporting seat 10, supporting seat 10 is equipped with two, longeron 1 both ends are equipped with auxiliary slope 11, auxiliary slope 11 side is equipped with sealed display 12, auxiliary slope 11 surface is equipped with pressure sensor 13, auxiliary slope 11 surface still is equipped with antislip strip 14.
Specifically, crossbeam 2 welds in longeron 1 one side, longeron 1 top welding has stand 5, stand 5 top welded fastening has arch structure 3, arch structure 3 one side welded fastening has arch tie-beam 4, arch tie-beam 4 opposite side also welded fastening has another arch structure 3, arch structure 3 fixed surface is connected with safety flange 7, arch tie-beam 4 fixed surface has screw steel 6, welded fastening has left bracing 8 between arch structure 3 and longeron 1, still welded fastening has right bracing 9 between arch structure 3 and longeron 1, longeron 1 bottom welded fastening has supporting seat 10, longeron 1 both ends fixedly connected with auxiliary slope 11, auxiliary slope 11 side inlay has sealed display 12, auxiliary slope 11 fixed surface is connected with pressure sensor 13, auxiliary slope 11 surface still fixedly connected with antislip strip 14, pressure sensor 13 and sealed display 12 electric connection.
In the embodiment, in order to save cost and resources, and also in order to be safe and convenient to construct, the conventional inverted arch trestle is optimized into an arch steel structure through discussion and research on site. When in field production, assembly and welding, the arch trestle is divided into an upper layer and a lower layer, the lower layer is provided with four I25 b I-shaped steel longitudinal beams 1, and the longitudinal beams 1 are connected by adopting 33cm I25 b I-shaped steel connecting cross beams 2; the upper arch structure 3 is formed by 4I 25b I-shaped steel, and the I25 b I-shaped steel arch-shaped connecting beams 4 with the thickness of 33cm are adopted for connection; the upper and lower two-layer structure directly adopts I25 b I-steel upright posts 5 with different lengths as supports; the passing surface of the trestle is welded with the I-steel wing plate of the arch structure 3 by adopting the phi 22 threaded steel 6 according to the 10cm interval transverse bridge direction, so that the construction cost is reduced, the resources are saved, the flexibility of the trestle in the construction process is improved, and the construction risk is reduced; and arch steel construction bears the load ability stronger, reduce the maintenance number of times in the daily use, reduce the interference to the construction, simultaneously install supplementary slope 11 in landing stage both sides, adopt 33cm I25 b I-steel and 10mm thick hot dip galvanized steel sheet welding, the surface is equipped with antislip strip 14, can effectively help the construction vehicle to drive on the landing stage, and be difficult for skidding, the pressure sensor 13 real-time supervision pressure data that is equipped with simultaneously, in time show data at sealed display 12 surface, make things convenient for staff to monitor landing stage working strength, when pressure too big, through unloading the rethread, the life of landing stage has been guaranteed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel inverted arch landing stage, includes longeron (1) and crossbeam (2), its characterized in that: the utility model provides a girder (1) one side is located to crossbeam (2), longeron (1) is equipped with a plurality ofly, crossbeam (2) also is equipped with a plurality of, longeron (1) top is equipped with stand (5), stand (5) are equipped with a plurality of, stand (5) top is equipped with arch structure (3), arch structure (3) one side is equipped with arch tie-beam (4), arch tie-beam (4) opposite side also is equipped with another arch structure (3), arch structure (3) surface is equipped with safety flange (7), arch tie-beam (4) surface is equipped with screw steel (6), be equipped with left diagonal brace (8) between arch structure (3) and longeron (1), longeron (1) bottom is equipped with supporting seat (10), supporting seat (10) are equipped with two, longeron (1) both ends are equipped with auxiliary slope (11), auxiliary slope (11) side is equipped with sealed display (12), auxiliary slope (11) surface is equipped with supplementary pressure sensor (13), auxiliary slope (11) surface is equipped with anti-slip strip (14).
2. The novel inverted arch trestle according to claim 1, wherein: the transverse beam (2) is welded on one side of the longitudinal beam (1), and the top of the longitudinal beam (1) is welded with the upright post (5).
3. The novel inverted arch trestle according to claim 1, wherein: the top of the upright post (5) is fixedly welded with an arch structure (3), one side of the arch structure (3) is fixedly welded with an arch connecting beam (4), and the other side of the arch connecting beam (4) is fixedly welded with another arch structure (3).
4. The novel inverted arch trestle according to claim 1, wherein: the surface of the arch structure (3) is fixedly connected with a safety flange (7), and the surface of the arch connecting beam (4) is fixedly welded with a deformed steel bar (6).
5. The novel inverted arch trestle according to claim 1, wherein: a left diagonal brace (8) is fixedly welded between the arch structure (3) and the longitudinal beam (1), a right diagonal brace (9) is fixedly welded between the arch structure (3) and the longitudinal beam (1), and a supporting seat (10) is fixedly welded at the bottom of the longitudinal beam (1).
6. The novel inverted arch trestle according to claim 1, wherein: the novel anti-skid device is characterized in that two ends of the longitudinal beam (1) are fixedly connected with auxiliary slopes (11), the side faces of the auxiliary slopes (11) are embedded with sealing displays (12), the surface of the auxiliary slopes (11) is fixedly connected with pressure sensors (13), the surfaces of the auxiliary slopes (11) are fixedly connected with anti-skid strips (14), and the pressure sensors (13) are electrically connected with the sealing displays (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321615900.8U CN219992162U (en) | 2023-06-25 | 2023-06-25 | Novel inverted arch trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321615900.8U CN219992162U (en) | 2023-06-25 | 2023-06-25 | Novel inverted arch trestle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219992162U true CN219992162U (en) | 2023-11-10 |
Family
ID=88614310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321615900.8U Active CN219992162U (en) | 2023-06-25 | 2023-06-25 | Novel inverted arch trestle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219992162U (en) |
-
2023
- 2023-06-25 CN CN202321615900.8U patent/CN219992162U/en active Active
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