CN220413981U - Slag falling preventing device for inverted arch trestle - Google Patents
Slag falling preventing device for inverted arch trestle Download PDFInfo
- Publication number
- CN220413981U CN220413981U CN202321817590.8U CN202321817590U CN220413981U CN 220413981 U CN220413981 U CN 220413981U CN 202321817590 U CN202321817590 U CN 202321817590U CN 220413981 U CN220413981 U CN 220413981U
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- Prior art keywords
- slag
- inverted arch
- arch trestle
- shaped steel
- inclined plate
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- 239000002893 slag Substances 0.000 title claims abstract description 71
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 41
- 239000010959 steel Substances 0.000 claims abstract description 41
- 230000002265 prevention Effects 0.000 claims abstract description 33
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 6
- 239000013049 sediment Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
The utility model relates to an inverted arch trestle slag falling prevention device which comprises an inverted arch trestle body and slag falling prevention devices, wherein the slag falling prevention devices comprise a plurality of U-shaped steel bars and waterproof plates, the U-shaped steel bars are welded and fixed on two sides of the inverted arch trestle body, and the waterproof plates are arranged on the U-shaped steel bars. According to the inverted arch trestle slag drop prevention device, the slag drop prevention devices are arranged on the two sides of the inverted arch trestle body, slag of a slag conveying vehicle is prevented from falling into an inverted arch, the quality of inverted arch lining concrete is influenced, meanwhile, the operation of cleaning the slag is avoided, labor is saved, and accordingly the quality of lining concrete is guaranteed, and cost is saved.
Description
Technical Field
The utility model relates to the field of tunnel construction, in particular to an inverted arch trestle slag falling prevention device.
Background
Along with the continuous construction of the road, the excavation of the tunnel is also gradually increased, and in the current tunnel construction process, the inverted arch trestle is often used as a transportation channel so as to ensure that the tunnel face and the inverted arch can work simultaneously. Because the slag transport vehicle needs to pass through the inverted arch trestle, the slag falling phenomenon inevitably exists. The falling slag falling from the inverted arch trestle threatens the personal safety of operators under the trestle on one hand, and pollutes inverted arch concrete on the other hand, thereby affecting the quality of inverted arch lining; on the other hand, the fallen dregs need to be cleaned by extra manpower, so that the construction cost is increased and the construction period is delayed. Therefore, the slag falling prevention device is additionally arranged on the inverted arch trestle, and the requirements of the inverted arch construction of the tunnel at the present stage are met.
Disclosure of Invention
Accordingly, the utility model aims to provide the inverted arch trestle slag falling prevention device, which prevents slag soil of a slag carrier from falling into an inverted arch by arranging the slag falling prevention devices on two sides of a main body of the inverted arch trestle, influences the quality of lining concrete of the inverted arch, simultaneously avoids the operation of cleaning the slag soil, saves labor, and further ensures the quality of the lining concrete and saves cost.
The utility model provides an inverted arch landing stage prevent sediment device that falls, includes inverted arch landing stage main part and prevents the sediment device that falls, prevent that the sediment device that falls includes a plurality of U type reinforcing bars and waterproof board, a plurality of U type reinforcing bars welded fastening inverted arch landing stage main part both sides, waterproof board sets up on the U type reinforcing bar.
According to the inverted arch trestle slag drop preventing device, the slag drop preventing devices are arranged on the two sides of the inverted arch trestle body, slag of a slag carrier is prevented from falling into an inverted arch, the quality of inverted arch lining concrete is influenced, meanwhile, the operation of cleaning the slag is avoided, labor is saved, and therefore the quality of lining concrete is guaranteed, and cost is saved.
Further, the inverted arch trestle body is composed of a plurality of I-beams, steel plates and anti-skid steel bars which are connected with each other.
Further, the U-shaped steel bars are made of threaded steel with the outer diameter of 16mm, and the distance between a plurality of U-shaped steel bars is 50cm.
Further, the width of the waterproof board is 40cm, and the lap joint length of the waterproof board is 20cm.
Further, the inverted arch trestle body is composed of a plurality of truss frames, bridge decks and a plurality of anti-slip strips, wherein the bridge decks are paved on the truss frames, and the anti-slip strips are paved on the bridge decks.
Further, a plurality of pin frames are arranged on the same straight line, a plurality of pin frames are built by I-shaped steel, and connecting steel is arranged between two adjacent pin frames to connect a plurality of pin frames with each other.
Further, the bridge deck comprises a plane plate, a first inclined plate and a second inclined plate, wherein one ends of the first inclined plate and one ends of the second inclined plate are respectively connected with two ends of the plane plate, and the other ends of the first inclined plate and the second inclined plate are respectively connected with the ground.
Further, a plurality of anti-slip strips are paved on the bridge deck, and the length of each anti-slip strip is the same as the width of the bridge deck.
Further, the distance between the two ends of the U-shaped steel bar is 20cm, and the distance between the plane where the two ends of the U-shaped steel bar are located and the plane where one side of the U-shaped steel bar is raised is 10cm.
The utility model also provides a slag falling prevention device for the inverted arch trestle, which comprises an inverted arch trestle body and a slag falling prevention device, wherein the slag falling prevention device comprises a plurality of U-shaped supporting frames and arc-shaped baffle plates, the U-shaped supporting frames are welded and fixed on two sides of the inverted arch trestle body, and the arc-shaped baffle plates are arranged on the U-shaped supporting frames.
For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.
Drawings
Fig. 1 is a front view of an inverted arch trestle slag drop prevention device according to embodiment 1;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic cross-sectional view of a middle portion of an anti-slag device of the inverted arch trestle shown in FIG. 1;
fig. 4 is a front view of an inverted arch trestle slag drop prevention device according to embodiment 1;
FIG. 5 is a top view of FIG. 4;
FIG. 6 is a schematic cross-sectional view of a middle portion of an anti-slag device of the inverted arch trestle shown in FIG. 4;
the inverted arch trestle body 1, a truss frame 11, a bridge deck 12, a plane plate 121, a first inclined plate 122, a second inclined plate 123, a non-slip strip 13, a slag falling prevention device 2, a U-shaped supporting frame 21 and an arc-shaped baffle 22.
Detailed Description
Example 1
The embodiment provides an inverted arch trestle slag falling prevention device, as shown in fig. 1 and 2, the inverted arch trestle slag falling prevention device comprises two inverted arch trestle main bodies 1 and four slag falling prevention devices 2, the two inverted arch trestle main bodies 1 are arranged in parallel, the four slag falling prevention devices 2 are respectively arranged on two sides of the two inverted arch trestle main bodies 1, and the slag falling prevention devices 2 comprise a plurality of U-shaped supporting frames 21 and arc-shaped baffle plates 22.
The inverted arch trestle body 1 consists of a plurality of truss frames 11, bridge decks 12 and a plurality of anti-slip strips 13, and in the example, the lengths of the two inverted arch trestle bodies 1 are 7.75m; on the same inverted arch trestle body 1, a plurality of truss frames 11 are arranged on the same straight line, the truss frames 11 are built by using I-shaped steel, connecting steel (not shown) is arranged between two adjacent truss frames 11 to connect the truss frames 11 with each other, and the truss frames 11 connected with each other are jointly used as a supporting structure of the inverted arch trestle body 1; the bridge deck 12 is laid on a plurality of truss frames 11, the bridge deck 12 comprises a plane plate 121, a first inclined plate 122 and a second inclined plate 123, one ends of the first inclined plate 122 and the second inclined plate 123 are respectively connected with two ends of the plane plate 121, the other ends of the first inclined plate 122 and the second inclined plate 123 are respectively connected with the ground, and in the embodiment, the bridge deck 12 is a steel plate; a plurality of anti-slip strips 13 are laid on the deck slab 12, the length of the anti-slip strips 13 being the same as the width of the deck slab 12, in this embodiment the anti-slip strips 13 are steel reinforcement strips.
For any inverted arch trestle body 1, 22 parts of U-shaped supporting frames 21 are respectively fixed on two sides of an 11 truss frame 11, the height of each U-shaped supporting frame 21 is positioned between a plane plate 121 and the ground, one side of an opening of each U-shaped supporting frame 21 is away from the ground, and all U-shaped supporting frames 21 positioned on the same side of the 11 truss frame 11 are parallel to each other and jointly support an arc-shaped baffle 22; in this embodiment, 22 parts of U-shaped supporting frames 21 are welded and fixed on the 11-frame 11 respectively, the heights of the two U-shaped supporting frames 21 located on two sides of the same frame 11 are the same, the distance between two adjacent U-shaped supporting frames 21 is 50cm, the U-shaped supporting frames 21 are made of screw steel with the outer diameter of 16mm, the distance between two ends of the U-shaped supporting frames 21 is 20cm, and the distance between the plane where the two ends of the U-shaped supporting frames 21 are located and the plane where one side of the protrusion of the U-shaped supporting frames 21 is 10cm.
For any inverted arch trestle body 1, the arc-shaped baffle 22 is arranged on the U-shaped supporting frame 21, in this embodiment, the width of the arc-shaped baffle 22 is 40cm, the distance between two ends of the arc-shaped baffle 22 is 20cm, the overlapping length of the arc-shaped baffle 22 is at least 20cm, and the arc-shaped baffle 22 is a waterproof plate.
According to the inverted arch trestle slag falling prevention device, the slag falling prevention devices 2 are arranged on the two sides of the inverted arch trestle body 1, slag of a slag conveying vehicle is prevented from falling into an inverted arch, the quality of inverted arch lining concrete is affected, meanwhile, the operation of cleaning the slag is avoided, labor is saved, and accordingly the quality of lining concrete is guaranteed, and cost is saved.
Example 2
The embodiment provides an inverted arch trestle slag drop preventing device, as shown in fig. 4-6, the inverted arch trestle slag drop preventing device comprises two inverted arch trestle main bodies 1 and four slag drop preventing devices 2, wherein the two inverted arch trestle main bodies 1 are arranged in parallel, and the four slag drop preventing devices 2 are respectively arranged on two sides of the two inverted arch trestle main bodies 1.
The inverted arch trestle body 1 is composed of a plurality of I-beams (not shown) which are connected with each other, steel plates (not shown) paved on the trestle and anti-slip steel bars (not shown), and the inverted arch trestle body 1 is used for providing a platform support for the slag falling prevention device 2.
The slag falling prevention device 2 comprises U-shaped steel bars and waterproof plates, in the embodiment, each part of slag falling prevention device 2 comprises 11U-shaped steel bars, the heights of the U-shaped steel bars are located between the top of a trestle body and the ground, one side of an opening of each U-shaped steel bar is away from the ground, 11U-shaped steel bars are mutually parallel to each other for the same part of slag falling prevention device 2, 11U-shaped steel bars are welded and fixed on the inverted arch trestle body 1, the heights of the U-shaped steel bars located on two sides of the same inverted arch trestle body 1 are the same, the distance between every two adjacent U-shaped steel bars is 50cm, the U-shaped steel bars are made of screw-thread steel with the outer diameter of 16mm, and the U-shaped steel bars are used for providing support for the waterproof plates; the width of the waterproof board is 40cm, and the lap joint length of the waterproof board is 20cm.
According to the inverted arch trestle slag falling prevention device, the slag falling prevention devices 2 are arranged on the two sides of the inverted arch trestle body 1, slag of a slag conveying vehicle is prevented from falling into an inverted arch, the quality of inverted arch lining concrete is affected, meanwhile, the operation of cleaning the slag is avoided, labor is saved, and accordingly the quality of lining concrete is guaranteed, cost is saved, and the inverted arch trestle slag falling prevention device has the advantages of being safe, reliable and cost-saving.
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 modifications and improvements can be made by those skilled in the art without departing from the spirit of the utility model, and the utility model is intended to encompass such modifications and improvements.
Claims (10)
1. The utility model provides a slag device falls in invert landing stage, its characterized in that, including invert landing stage main part and slag device falls, slag device falls to prevent includes a plurality of U type reinforcing bars and waterproof board, a plurality of U type reinforcing bars welded fastening in invert landing stage main part both sides, waterproof board sets up on the U type reinforcing bar.
2. The inverted arch trestle slag drop prevention device according to claim 1, wherein the inverted arch trestle body is composed of a plurality of I-beams, steel plates and anti-skid steel bars which are connected with each other.
3. The inverted arch trestle slag drop prevention device according to claim 1, wherein the U-shaped steel bars are made of screw-thread steel with the outer diameter of 16mm, and the distance between a plurality of U-shaped steel bars is 50cm.
4. The inverted arch trestle slag preventing device according to claim 1, wherein the width of the waterproof plate is 40cm, and the lap joint length of the waterproof plate is 20cm.
5. The inverted arch trestle slag drop prevention device according to claim 1, wherein the inverted arch trestle body consists of a plurality of truss frames, bridge decks and a plurality of anti-slip strips, wherein the bridge decks are paved on the truss frames, and the anti-slip strips are paved on the bridge decks.
6. The inverted arch trestle slag drop preventing device according to claim 5, wherein a plurality of truss frames are arranged on the same straight line, the truss frames are formed by building I-shaped steel, and connecting steel is arranged between two adjacent truss frames to connect the truss frames with each other.
7. The inverted arch trestle slag preventing device according to claim 5, wherein the bridge deck comprises a plane plate, a first inclined plate and a second inclined plate, one ends of the first inclined plate and the second inclined plate are respectively connected with two ends of the plane plate, and the other ends of the first inclined plate and the second inclined plate are respectively connected with the ground.
8. The inverted arch trestle slag preventing device according to claim 5, wherein a plurality of the anti-slip strips are paved on the bridge deck, and the length of the anti-slip strips is the same as the width of the bridge deck.
9. The inverted arch trestle slag drop prevention device according to claim 1, wherein the distance between two ends of the U-shaped steel bar is 20cm, and the distance between the plane where the two ends of the U-shaped steel bar are located and the plane where one side of the U-shaped steel bar protrudes is 10cm.
10. The utility model provides a slag device falls in invert landing stage, its characterized in that, including invert landing stage main part and slag device falls, slag device falls to prevent includes a plurality of U type braced frames and arc baffle, a plurality of U type braced frame welded fastening in invert landing stage main part both sides, arc baffle sets up on a plurality of U type braced frames.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223269728 | 2022-12-05 | ||
| CN2022232697283 | 2022-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220413981U true CN220413981U (en) | 2024-01-30 |
Family
ID=89654389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321817590.8U Active CN220413981U (en) | 2022-12-05 | 2023-07-11 | Slag falling preventing device for inverted arch trestle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220413981U (en) |
-
2023
- 2023-07-11 CN CN202321817590.8U patent/CN220413981U/en active Active
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