CN220521416U - Movable bottom plate for resisting local undercut of pier bearing platform foundation - Google Patents
Movable bottom plate for resisting local undercut of pier bearing platform foundation Download PDFInfo
- Publication number
- CN220521416U CN220521416U CN202322084192.6U CN202322084192U CN220521416U CN 220521416 U CN220521416 U CN 220521416U CN 202322084192 U CN202322084192 U CN 202322084192U CN 220521416 U CN220521416 U CN 220521416U
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- bottom plate
- bearing platform
- undercut
- pier
- movable bottom
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- 238000011144 upstream manufacturing Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 9
- 230000036961 partial effect Effects 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 239000013049 sediment Substances 0.000 abstract description 7
- 230000001681 protective effect Effects 0.000 abstract 3
- 230000008859 change Effects 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a movable bottom plate for resisting local undercut of a pier bearing platform foundation, which comprises a bearing platform, wherein floats are arranged at the bottoms of two anti-collision bottom plates, square barrels are movably connected to the outer sides of four sliding ways, a plurality of thread grooves are formed in the outer sides of the four sliding ways, and one side of each square barrel is fixedly connected with the inner sides of the thread grooves through a first bolt. The utility model relates to the technical field of river bridge engineering local undercut protective equipment, and aims to realize the limitation of the maximum movement distance of a bottom plate through the cooperation among an anti-impact bottom plate, a buoy and a square cylinder, avoid being excited to be too high by water waves, improve the protective effect of a bearing platform, and solve the problems that the bottom plate is scraped when the traditional bottom plate is in a river surface with stormy waves, and sediment enters from the lower part of the bottom plate at the moment to influence the protective effect of the bearing platform.
Description
Technical Field
The utility model relates to the technical field of river channel bridge engineering local undercut protection equipment, in particular to a movable bottom plate for resisting local undercut of a pier bearing platform foundation.
Background
The local undercut protection principle of the bridge pier mainly comprises the following two types, namely solid impact protection, namely engineering measures that a plurality of solid materials are placed on a bed surface around the bridge pier to improve the anti-scouring capability of the bridge pier, so that the bridge pier is prevented from being undercut and unstable by a nearby descending water flow and a vortex system; the other is deceleration and no-flushing protection, which means engineering measures for weakening or inhibiting flushing force of water flow by designing some devices around the bridge pier or changing the structure of the bridge pier to change the water flow around the bridge pier.
The bridge pier bearing platform blocks water flow, the water flow flows around two sides of the bearing platform to form a very complex flow-around structure mainly comprising a flow-around vortex system, and vortex near the bed surface violently washes away sediment at the water facing end and around the bridge pier to cause rapid sediment movement around the bridge pier bearing platform to form a local erosion pit around the bridge pier bearing platform, which is called as local erosion of the bridge pier bearing platform. The local undercut is a natural phenomenon, can reduce the bearing capacity of basis and the stability of pier cushion cap, current arc scour protection bottom plate that can adopt specific shape sets up in the outside of cushion cap and protects.
But current bottom plate can scrape the bottom plate when having the river surface of stormy waves, and silt this moment can get into from the bottom plate below, has influenced the protection effect to the cushion cap.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a movable bottom plate for resisting the local undercut of a pier bearing platform foundation, which solves the problems that the bottom plate can be scraped up when the conventional bottom plate is on a river surface with stormy waves, and sediment enters from the lower part of the bottom plate at the moment, so that the protection effect of the bearing platform is affected.
In order to achieve the above purpose, the present utility model is realized by the following technical scheme: the utility model provides a resist movable bottom plate of pier cushion cap basis part undercut, includes the cushion cap, the front laminating of cushion cap has the upstream baffle, two slides are all installed to the both sides of cushion cap, four the outside activity of slide and upstream baffle links to each other has two scour protection bottom plates, two the float is all installed to the bottom of scour protection bottom plate, four the outside of slide all links to each other with square section of thick bamboo, four the outside of slide all processes a plurality of screw grooves, the inboard fixed connection of one side of square section of thick bamboo through first bolt and screw groove.
Preferably, two balancing weights are arranged at the tops of the two anti-impact bottom plates.
Preferably, the top of the two anti-impact bottom plates and two sides of the bearing platform are respectively provided with a circular ring, and the inner sides of the two circular rings are provided with a cable.
Preferably, the top of the upstream baffle is fixedly connected with a plate body through a second bolt, the inner wall of the plate body is movably connected with a trapezoid plate which is attached to the top of the upstream baffle, and the back of the trapezoid plate is fixedly connected with the front of the bearing platform.
Preferably, the tops of the two impact-resistant bottom plates are fixedly connected with two vertical plates, and the upper parts of the inner sides of the two vertical plates are fixedly connected through a third bolt.
Advantageous effects
The utility model provides a movable bottom plate for resisting local undercut of a pier bearing platform foundation. The beneficial effects are as follows: this resist movable bottom plate of pier cushion cap basis part undercut through the cooperation between scour protection bottom plate, cursory and the square section of thick bamboo, realized the restriction to the biggest motion distance of bottom plate, avoid being inspired too high by the water wave, improved the protection effect to the cushion cap, solved current bottom plate when having the river surface of stormy wave, can scrape the bottom plate, silt at this moment can get into from the bottom plate below, has influenced the problem to the protection effect of cushion cap.
Through the cooperation between trapezoidal plate, plate body and the second bolt, realized the quick combination to structures such as movable bottom plate, be convenient for change after certain part damages, practiced thrift use cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the impact floor, float and riser of FIG. 1;
FIG. 3 is a schematic view of the slideway, ring and cable of FIG. 1;
fig. 4 is a schematic view of the structure of the trapezoidal plate, the plate body and the second bolt in fig. 1.
In the figure: 1. the bearing platform, 2, the upstream baffle, 3, the anti-impact bottom plate, 4, the cursory, 5, the riser, 6, the third bolt, 7, the trapezoidal plate, 8, the plate body, 9, the second bolt, 10, the thread groove, 11, the slide, 12, the ring, 13, the hawser, 14, the balancing weight, 15, the square cylinder, 16, the first bolt.
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.
When the existing bottom plate is on a river surface with stormy waves, the bottom plate can be scraped, and sediment at the moment can enter from the lower part of the bottom plate, so that the protection effect of the bearing platform is affected.
In view of the above, the movable bottom plate for resisting the local undercut of the pier bearing platform foundation is provided, the limit on the maximum movement distance of the bottom plate is realized through the cooperation among the anti-impact bottom plate, the floating and square cylinders, the over-high excitation by water waves is avoided, the protection effect on the bearing platform is improved, the problem that the sediment can enter from the lower part of the bottom plate when the bottom plate is scraped up on a river surface with wind waves in the prior art, and the protection effect on the bearing platform is affected is solved.
The components in the present case are sequentially connected by a person skilled in the art, and specific connection and operation sequence should be referred to the following working principle, and the detailed connection means thereof are known in the art, and the following working principle and process are mainly described.
Embodiment one: as can be seen from fig. 1-3, a movable bottom plate for resisting partial undercut of a pier bearing platform foundation comprises a bearing platform 1, wherein an upstream baffle 2 is attached to the front surface of the bearing platform 1, two slide ways 11 are respectively arranged on two sides of the bearing platform 1, two anti-impact bottom plates 3 are movably connected with the outer sides of the four slide ways 11, the anti-impact bottom plates 3 can move outside the four slide ways 11, floats 4 are respectively arranged at the bottoms of the two anti-impact bottom plates 3, the floats 4 can be attached to river surfaces, square cylinders 15 are respectively and movably connected with the outer sides of the four slide ways 11, the square cylinders 15 can move outside the slide ways 11, a plurality of thread grooves 10 are respectively processed on the outer sides of the four slide ways 11, and one side of each square cylinder 15 is fixedly connected with the inner sides of the thread grooves 10 through first bolts 16;
in the specific implementation process, it is worth particularly pointing out that the fixed position of the square cylinder 15 can be changed by a user through the first bolt 16, the limitation on the maximum movement distance of the bottom plate is realized through the cooperation among the square cylinder 15, the buoy 4 and the first bolt 16, the over-high excitation by water waves is avoided, the protection effect on the bearing platform 1 is improved, the problem that the bottom plate is scraped when the existing bottom plate is in a stormy river, and sediment enters from the lower part of the bottom plate at the moment, so that the protection effect on the bearing platform 1 is affected is solved;
further, two balancing weights 14 are arranged at the top parts of the two anti-impact bottom plates 3;
in the specific implementation process, it is worth particularly pointing out that the weight of the impact-resistant bottom plate 3 is increased by the balancing weight 14, so that the amplitude of the impact caused by water flow can be reduced;
further, the top of the two anti-impact bottom plates 3 and two sides of the bearing platform 1 are respectively provided with a circular ring 12, and the inner sides of the two circular rings 12 are provided with a cable 13;
in the specific implementation, it is worth particularly pointing out that the cable 13 can limit the two impact-resistant bottom plates 3;
specifically, when the movable bottom plate for resisting the partial undercut of the pier bearing platform foundation is used, a user can change the position of the square cylinder 15 according to the height of the river surface, and the user can change the fixed position of the square cylinder 15 by using the first bolts 16, so that the maximum movement distance of the anti-collision bottom plate 3 is limited, and the shaking amplitude is reduced.
Embodiment two: as can be seen from fig. 1 to 4, the top of the upstream baffle 2 is fixedly connected with a plate body 8 through a second bolt 9, the plate body 8 can be fixed on the top of the upstream baffle 2 by the second bolt 9, the inner wall of the plate body 8 is movably connected with a trapezoid plate 7 which is jointed with the top of the upstream baffle 2, the trapezoid plate 7 can move on the inner side of the plate body 8, and the back surface of the trapezoid plate 7 is fixedly connected with the front surface of the bearing platform 1;
in the specific implementation process, it is worth particularly pointing out that the user can put the plate body 8 in alignment with the trapezoid plate 7, attach the upstream baffle 2 to the front surface of the bearing platform 1, and then put the anti-impact bottom plate 3 on the outer sides of the two slide ways 11 for protection;
further, two vertical plates 5 are fixedly connected to the tops of the two impact-resistant bottom plates 3, and the upper parts of the inner sides of the two vertical plates 5 are fixedly connected through a third bolt 6;
in the specific embodiment, it is worth particularly pointing out that the two risers 5 are fixed by means of a third bolt 6;
specifically, on the basis of the first embodiment, through the cooperation between the trapezoidal plate 7, the plate body 8 and the second bolt 9, the rapid combination of the structures such as the impact-resistant bottom plate 3 is realized, the replacement is convenient after a certain part is damaged, and the use cost is saved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
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 (5)
1. The utility model provides a resist movable bottom plate of pier cushion cap basis local undercut, includes cushion cap (1), its characterized in that: the front laminating of cushion cap (1) has upstream baffle (2), two slide (11) are all installed to the both sides of cushion cap (1), four the outside activity of slide (11) and upstream baffle (2) is continuous has two scour protection bottom plates (3), two scour protection bottom plates (3) bottom all installs cursory (4), four the outside of slide (11) all links to each other movably has square tube (15), four the outside of slide (11) all processes a plurality of screw grooves (10), the inboard fixed connection of one side of square tube (15) through first bolt (16) and screw groove (10).
2. The movable bottom plate for resisting partial undercut of pier cap foundation according to claim 1, wherein: two balancing weights (14) are arranged at the tops of the two anti-impact bottom plates (3).
3. The movable bottom plate for resisting partial undercut of pier cap foundation according to claim 1, wherein: the top of the two anti-impact bottom plates (3) and two sides of the bearing platform (1) are provided with circular rings (12), and the inner sides of the two circular rings (12) are provided with cables (13) through cables.
4. The movable bottom plate for resisting partial undercut of pier cap foundation according to claim 1, wherein: the top of upstream baffle (2) has plate body (8) through second bolt (9) rigid coupling, the inner wall activity of plate body (8) links to each other has trapezoidal board (7) that laminate mutually with upstream baffle (2) top, the front looks rigid coupling of the back and cushion cap (1) of trapezoidal board (7).
5. The movable bottom plate for resisting partial undercut of pier cap foundation according to claim 4, wherein: two risers (5) are fixedly connected to the tops of the two impact-resistant bottom plates (3), and the upper parts of the inner sides of the two risers (5) are fixedly connected through a third bolt (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322084192.6U CN220521416U (en) | 2023-08-03 | 2023-08-03 | Movable bottom plate for resisting local undercut of pier bearing platform foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322084192.6U CN220521416U (en) | 2023-08-03 | 2023-08-03 | Movable bottom plate for resisting local undercut of pier bearing platform foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220521416U true CN220521416U (en) | 2024-02-23 |
Family
ID=89924217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322084192.6U Active CN220521416U (en) | 2023-08-03 | 2023-08-03 | Movable bottom plate for resisting local undercut of pier bearing platform foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220521416U (en) |
-
2023
- 2023-08-03 CN CN202322084192.6U patent/CN220521416U/en active Active
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