CN220166651U - Unilateral steel trestle - Google Patents
Unilateral steel trestle Download PDFInfo
- Publication number
- CN220166651U CN220166651U CN202321367448.8U CN202321367448U CN220166651U CN 220166651 U CN220166651 U CN 220166651U CN 202321367448 U CN202321367448 U CN 202321367448U CN 220166651 U CN220166651 U CN 220166651U
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- Prior art keywords
- supporting beam
- supporting
- fixedly connected
- steel trestle
- support
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 61
- 239000010959 steel Substances 0.000 title claims abstract description 61
- 230000008093 supporting effect Effects 0.000 claims abstract description 100
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000010276 construction Methods 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to the technical field of steel trestle, in particular to a single-side steel trestle, which comprises at least two supporting beams, bridge decks and bearing platforms, wherein the at least two supporting beams are mutually symmetrically arranged, the bridge decks are provided with a plurality of, two ends of the bridge decks are respectively and fixedly connected with the two supporting beams, the bridge decks are arranged at intervals along the length direction of the supporting beams, and the supporting beams are all arranged on the bearing platforms. The utility model has the effect of helping the hoisting equipment to pass through the construction channel.
Description
Technical Field
The utility model relates to the technical field of steel trestle, in particular to a unilateral steel trestle.
Background
The permanent ground wire width of the railway project red line is 16.6m, the temporary ground mode is adopted for the construction pavement, the width is 3m, and the total width is 19.6m. The side line distance is 6.6m from the temporary ground side line of the construction channel, the post-stage partial pier column structure is adjusted to be an assembled prefabricated structure due to the scheme, and the prefabricated construction channel is prefabricated in a factory manner and is installed on site, wherein the width of the hoisting equipment is limited by 8.226m. The long and long linear engineering construction passageway does not meet the running requirement of the hoisting equipment, if temporary land is marked, the construction passageway is widened again, the construction period is severely restricted, and the cost is greatly increased.
Disclosure of Invention
The utility model aims to provide a unilateral steel trestle which can assist hoisting equipment to pass through a construction channel.
The utility model provides a unilateral steel trestle, which adopts the following technical scheme:
the utility model provides a unilateral steel landing stage, includes supporting beam, decking and cushion cap, the supporting beam sets up two at least, two at least supporting beam mutual symmetry sets up, the decking has a plurality of, and a plurality of decking both ends respectively with two supporting beam fixed connection, a plurality of the decking is followed supporting beam length direction interval sets up, a plurality of the supporting beam is all installed on the cushion cap.
Through adopting above-mentioned technical scheme, through installing supporting beam on the cushion cap, install the decking on supporting beam to establish a steel landing stage on the construction foundation ditch, when lifting device width is greater than construction passageway width, the track on lifting device one side passes through from the construction passageway this moment, and the track on lifting device another side passes through from the steel landing stage, thereby realizes lifting device's safe traffic. And the lifting device adopts the crawler to move forwards, the bridge decks are distributed at intervals and are matched with the crawler of the lifting device, so that the possibility of skidding of the crawler is reduced, and the passage of the lifting device is further facilitated.
Optionally, the bottom surface of the supporting beam is fixedly connected with a bridge bottom plate.
Lifting equipment is generally between 300 tons and 400 tons, and is heavier, when lifting equipment passes through a steel trestle, downward pressure is applied to the steel trestle, and the supporting beam is contacted with the bearing platform, so that the bridge deck is supported, the supporting beam is greatly damaged at the moment, and the bridge bottom plate is added on the bottom surface of the supporting beam by adopting the technical scheme, so that the direct contact between the supporting beam and the bearing platform is reduced, the contact between the bridge bottom plate and the bearing platform is realized, the damage of the supporting beam is reduced, and the service life of the supporting beam is prolonged.
Optionally, be provided with the support frame between the bridge floor with the cushion cap, support frame one end with cushion cap fixed connection, support frame other end fixedly connected with lacing plate, the lacing plate with bridge floor butt can support the bridge floor.
The cushion cap adopts concrete to pour the shaping generally, when the foundation ditch degree of depth is darker, supports a supporting beam through pouring concrete, needs to pour higher concrete, and construction is inconvenient, and efficiency is slower, through adopting above-mentioned technical scheme, sets up the support frame between bridge floor and cushion cap to reduce the height that needs to pour concrete, use support frame support beam, facilitate construction, facilitate the use. And set up the batten board between bridge floor and support frame, increased the area of contact of support frame and bridge floor, further increased the supporting effect of support frame to supporting beam.
Optionally, the support frame has a plurality of, and a plurality of support frame interval distribution is in on the cushion cap be provided with the scissors support between the support frame that is adjacent in the supporting beam width direction, the scissors support respectively with two adjacent in the supporting beam width direction support frame fixed connection.
Through adopting above-mentioned technical scheme, at the in-process that lifting device removed, the mobile route probably has the skew, leads to lifting device not straight line operation to produce transverse friction to the steel landing stage, support adjacent support frame through the setting of scissors support this moment, thereby increased the stability of steel landing stage in horizontal, be used for resisting the transverse friction that lifting device produced at the operation in-process, thereby further increased the firm degree of steel landing stage.
Optionally, a cross beam is arranged between the support frame and the bearing platform, and the cross beam is respectively and fixedly connected with the support frame and the bearing platform.
Through adopting above-mentioned technical scheme, the foundation ditch degree of depth is different, then the high difference that needs the support frame, and the support frame adopts two I-steel that piece together generally, when the support frame height increases, support frame width also can increase, but the cushion cap width is certain, thereby when the foundation ditch degree of depth is darker, the inconvenient support supporting beam of support frame, through the setting of crossbeam, the initial height of support frame has further been increased, thereby make the support frame conveniently support supporting beam, the crossbeam adopts the I-steel to make in addition, height and width all adjust easily, facilitate the use.
Optionally, the support beam both ends are all fixedly connected with stand, the stand can insert in the ground.
Through adopting above-mentioned technical scheme, in order to reduce the displacement that leads to the steel landing stage under the special condition, two stands are driven into to subaerial at the both ends of supporting beam, make stand and supporting beam fixed connection to carry out spacingly to supporting beam, when the steel landing stage has the displacement trend, the stand is fixed the steel landing stage, reduces the possibility that the steel landing stage takes place the displacement.
Optionally, each end of the supporting beam is at least fixed with two upright posts, and the scissor struts are also installed between the adjacent upright posts.
Through adopting above-mentioned technical scheme, at the in-process that lifting device removed, the mobile route probably has the skew, leads to lifting device not straight line operation to produce transverse friction to the steel landing stage, support adjacent stand through the setting of bracing this moment, thereby increased the stability of steel landing stage in horizontal, be used for resisting the transverse friction that lifting device produced at the operation in-process, thereby further increased the firm degree of steel landing stage.
Optionally, the side walls at two ends of the supporting beam are fixedly connected with expansion plates.
Through adopting above-mentioned technical scheme, in order to guarantee foundation bearing capacity, increase at steel landing stage both ends and expand the board, through the setting that expands the board, increased the area of contact of steel landing stage with ground to the whole stability degree of steel landing stage has been increased.
Optionally, the bottom surface of the expansion board is also fixedly connected with the lacing board.
Through adopting above-mentioned technical scheme, through the setting of lacing plate, reduced the direct contact of expanding board and ground to the damage of expanding board in the course of the work has been reduced, the life of expanding the board has been prolonged.
Optionally, a reinforcing rib is fixedly connected to the expansion plate, and the reinforcing rib is fixedly connected with the supporting beam.
When lifting device passes through the steel trestle, can produce decurrent pressure to the steel trestle, and lifting device directly presses on the decking and not with expanding board direct contact, thereby make the downward displacement trend that supporting beam produced be greater than the downward displacement trend that expands the board and produce, and then make expanding board and supporting beam junction probably break, through adopting above-mentioned technical scheme, through the setting of strengthening rib, make the strengthening rib support supporting beam and expanding board simultaneously, reduced the in-process that lifting device passed through, expand board and supporting beam junction and take place cracked possibility, further increased the firm degree of steel trestle.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. through fixing the cushion cap in the construction foundation ditch, install a supporting beam on the cushion cap again, install the decking on supporting beam to establish a steel landing stage on the construction foundation ditch, when lifting device width is greater than construction passageway width, the track on lifting device one side passes through from the construction passageway this moment, and the track on lifting device another side passes through the groove from the steel landing stage, thereby realizes lifting device's safe passing. The lifting equipment adopts the crawler belt to move forwards, so that bridge decks are distributed at intervals and are matched with the crawler belt of the lifting equipment, thereby reducing the possibility of skidding of the crawler belt and further facilitating the passage of the lifting equipment;
2. the bridge bottom plate is added on the bottom surface of the supporting beam, so that the direct contact between the supporting beam and the bearing platform is reduced, the damage of the supporting beam is reduced, and the service life of the supporting beam is prolonged;
3. and a supporting frame is arranged between the bridge bottom plate and the bearing platform, so that the height of concrete to be poured is reduced, and the supporting frame is used for supporting the supporting beam, so that the construction is convenient, and the use is convenient. And set up the batten board between bridge floor and support frame, increased the area of contact of support frame and bridge floor, further increased the supporting effect of support frame to supporting beam.
Drawings
Fig. 1 is a schematic overall structure of a single-sided steel trestle in embodiment 1 of the present utility model.
Fig. 2 is a schematic overall structure of a single-sided steel trestle in embodiment 2 of the present utility model.
In the figure, 1, a supporting beam; 2. a bridge deck; 3. bearing platform; 4. a bridge floor; 5. a support frame; 6. a cross beam; 7. a lacing plate; 8. a scissors support; 9. a column; 10. expanding a plate; 11. reinforcing ribs.
Detailed Description
The present utility model will be described in further detail with reference to fig. 1 to 2.
Example 1:
referring to fig. 1, a unilateral steel trestle comprises a supporting beam 1, a bridge deck 2 and a bearing platform 3, wherein the bearing platform adopts hardened concrete in the embodiment, the bearing platform 3 is fixedly arranged in a construction foundation pit, and the bearing platform can also be arranged on a movable platform in other embodiments. The number of the supporting beams 1 is at least two, in this embodiment, the supporting beams 1 are two and made of i-steel, and in other embodiments, the number of the supporting beams 1 can be three, four or other numbers, so long as the supporting beams can support the bridge deck 2.
The bridge deck boards 2 are a plurality of, in this embodiment, the bridge deck boards 2 are steel plates with a width of 1.6m, a length of 0.2m and a thickness of 0.02m, the bridge deck boards 2 are evenly distributed at intervals along the length direction of the supporting beam 1, and the net distance between the adjacent bridge deck boards 2 is 0.3m. A plurality of bridge decks 2 are fixedly connected to the top surface of the supporting beam 1 through high-strength bolts, the length of the supporting beam 1 in the embodiment is 14.4m, and the distance between the adjacent bridge decks 2 is 0.3m.
The bottom surface of the supporting beam 1 is fixedly connected with a bridge bottom plate 4, in the embodiment, the bridge bottom plate 4 adopts a steel plate with the width of 1.6m, the length of 0.1m and the thickness of 0.02m, and a plurality of bridge bottom plates 4 are uniformly distributed at intervals along the length direction of the supporting beam 1. The spacing between adjacent bridge floor plates 4 in this embodiment is 0.6m.
A supporting frame 5 is arranged between the bridge bottom plate 4 and the bearing platform 3, and in the embodiment, the supporting frame 5 adopts double-spliced I-steel. One end of a supporting frame 5 is supported on the bearing platform 3, the other end of the supporting frame 5 is fixedly connected with a lacing plate 7, and one surface of the lacing plate 7, which is far away from the supporting frame 5, is fixedly connected with the bridge bottom plate 4. The support frames 5 are a plurality of, and the support frames 5 are uniformly distributed on the bearing platform 3 at intervals, in this embodiment, the support frames 5 are six, the six support frames 5 are distributed in two rows along the length direction of the support beam 1, and each row is uniformly distributed with three support frames 5 at intervals along the width direction of the support beam 1.
A scissor support 8 is arranged between the adjacent supporting frames 5 in the width direction of the supporting beam 1, and the scissor support 8 is fixedly connected with the two adjacent supporting frames 5, so that the stability of the supporting frames 5 is improved.
When the steel trestle passes through the lifting device, one track in the lifting device passes through the construction pavement, and the other track in the lifting device passes through the steel trestle, namely the bridge deck 2.
Further, in order to increase the stability of the steel trestle, the two ends of the supporting beam 1 are fixedly connected with the upright posts 9, in the embodiment, the upright posts 9 are I-shaped steel, the two ends of the supporting beam 1 are provided with the two upright posts 9, and the upright posts 9 are inserted into the ground to increase the stability of the steel trestle. The scissor struts 8 are also arranged between the adjacent upright posts 9, and the scissor struts 8 are respectively fixedly connected with the two adjacent upright posts 9.
The side walls at two ends of the supporting beam 1 are fixedly connected with expansion plates 10, in the embodiment, each end of the supporting beam 1 is fixedly connected with two expansion plates 10, the two expansion plates 10 are respectively and fixedly connected with the two side walls of the supporting beam 1, each expansion plate 10 is fixedly connected with the batten plate 7 on the bottom wall, the contact area between the steel trestle and the ground is increased through the arrangement of the batten plate 7 and the expansion plates 10, and the stability of the steel trestle is increased. Reinforcing ribs 11 are arranged between the expansion plate 10 and the support beam 1, one end of each reinforcing rib 11 is fixedly connected to the expansion plate 10, the other end of each reinforcing rib 11 is fixedly connected to the side wall of the support beam 1, a plurality of reinforcing ribs 11 are arranged, and a plurality of reinforcing ribs 11 are uniformly distributed at intervals in the length direction of the support beam 1.
The implementation principle of the embodiment of the utility model is as follows: when road construction is carried out, the bearing platform 3 is installed in the construction foundation pit, the supporting beam 1, the supporting frame 5, the bridge bottom plate 4, the bridge deck 2 and the expansion plate 10 are installed, and when the hoisting equipment needs to pass, one track of the hoisting equipment passes through a construction passageway, and the other track of the hoisting equipment passes through a steel trestle.
Example 2:
the present embodiment 2 has substantially the same structure as that of embodiment 1, except that a cross member 6 is added.
Referring to fig. 2, a cross beam 6 is disposed between the supporting frame 5 and the supporting platform 3, in this embodiment, the cross beam 6 is i-steel, and two cross beams 6 are disposed at the bottom end of each supporting frame 5, and the two cross beams 6 are horizontally supported on the supporting platform 3 and fixedly connected with the supporting frame 5. Through the setting of crossbeam 6, increased the overall height of steel landing stage to adapt to the foundation ditch of deeper degree of depth, increase the suitability of steel landing stage.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, wherein like reference numerals are used to refer to like elements throughout. Therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (10)
1. The utility model provides a unilateral steel landing stage, includes supporting beam (1), decking (2) and cushion cap (3), its characterized in that, supporting beam (1) set up two at least, two at least supporting beam (1) mutual symmetry sets up, decking (2) have a plurality of, a plurality of decking (2) both ends respectively with two supporting beam (1) fixed connection, a plurality of decking (2) are followed supporting beam (1) length direction interval sets up, a plurality of supporting beam (1) are all installed on cushion cap (3).
2. The unilateral steel trestle according to claim 1, characterized in that the bottom surface of said supporting beam (1) is fixedly connected with a bridge floor (4).
3. A unilateral steel trestle according to claim 2, characterized in that a supporting frame (5) is arranged between the bridge bottom plate (4) and the bearing platform (3), one end of the supporting frame (5) is fixedly connected with the bearing platform (3), the other end of the supporting frame (5) is fixedly connected with a lacing plate (7), and the lacing plate (7) can support the bridge bottom plate (4) in an abutting connection with the bridge bottom plate (4).
4. A unilateral steel trestle according to claim 3, characterized in that the number of supporting frames (5) is several, the number of supporting frames (5) are distributed on the bearing platform (3) at intervals, a scissor support (8) is arranged between the supporting frames (5) adjacent to each other in the width direction of the supporting beam (1), and the scissor support (8) is fixedly connected with the two supporting frames (5) adjacent to each other in the width direction of the supporting beam (1).
5. A unilateral steel trestle according to claim 3, characterized in that a cross beam (6) is arranged between the support frame (5) and the bearing platform (3), and the cross beam (6) is fixedly connected with the support frame (5) and the bearing platform (3) respectively.
6. The unilateral steel trestle according to claim 4, characterized in that the two ends of said supporting beam (1) are fixedly connected with uprights (9), said uprights (9) being able to be inserted into the ground.
7. A unilateral steel trestle according to claim 6, characterized in that each end of said support beam (1) is fixed with at least two of said uprights (9), between adjacent uprights (9) said scissors stay (8) being also mounted.
8. A unilateral steel trestle according to claim 3, characterized in that the side walls at both ends of the supporting beam (1) are fixedly connected with expansion plates (10).
9. The unilateral steel trestle according to claim 8, characterized in that said expansion plate (10) is also fixedly connected to said gusset plate (7) at its bottom surface.
10. The unilateral steel trestle according to claim 8, characterized in that the expansion plate (10) is fixedly connected with a reinforcing rib (11), and the reinforcing rib (11) is fixedly connected with the supporting beam (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321367448.8U CN220166651U (en) | 2023-05-31 | 2023-05-31 | Unilateral steel trestle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321367448.8U CN220166651U (en) | 2023-05-31 | 2023-05-31 | Unilateral steel trestle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220166651U true CN220166651U (en) | 2023-12-12 |
Family
ID=89052109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321367448.8U Active CN220166651U (en) | 2023-05-31 | 2023-05-31 | Unilateral steel trestle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220166651U (en) |
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2023
- 2023-05-31 CN CN202321367448.8U patent/CN220166651U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhuang Jianjie Inventor after: Wang Jingtian Inventor after: Liu Yixin Inventor after: Liu Xiao Inventor after: Gu Junhai Inventor after: Duan Jiangtao Inventor after: Xu Mingying Inventor after: Xu Longfei Inventor after: Wang Jianqiang Inventor after: Guo Hongfei Inventor after: Zhao Kuo Inventor before: Liu Xiao Inventor before: Liu Yixin Inventor before: Gu Junhai Inventor before: Duan Jiangtao Inventor before: Xu Mingying Inventor before: Xu Longfei Inventor before: Wang Jianqiang Inventor before: Guo Hongfei Inventor before: Zhao Kuo Inventor before: Wang Jingtian |
|
| CB03 | Change of inventor or designer information |