CN114606911A - Device for preventing earthquake landslide and surge from impacting dam structure - Google Patents
Device for preventing earthquake landslide and surge from impacting dam structure Download PDFInfo
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- CN114606911A CN114606911A CN202210305424.3A CN202210305424A CN114606911A CN 114606911 A CN114606911 A CN 114606911A CN 202210305424 A CN202210305424 A CN 202210305424A CN 114606911 A CN114606911 A CN 114606911A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/06—Spillways; Devices for dissipation of energy, e.g. for reducing eddies also for lock or dry-dock gates
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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
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a device for preventing earthquake landslide and surge from impacting a dam structure, which relates to the technical field of dam protection and comprises a slope body; the dam is built on the opposite bank of the slope body; the fixed rod is fixed on one side of the dam close to the slope body and is vertically fixed with the inclined plane of the dam; the anti-impact assembly is hinged on the fixed rod and used for blocking the impact of landslide and surge on the dam; and the energy dissipation assembly is hinged to the bottom of the impact prevention assembly and suspended on a water body, and is used for preliminarily dissipating energy of landslide surge. The energy dissipation assembly can perform preliminary energy dissipation on landslide surge, so that the impact force of the landslide surge is reduced, and the impact prevention assembly further performs energy dissipation on the landslide surge, so that direct impact on a dam is avoided.
Description
Technical Field
The invention relates to the technical field of dam protection, in particular to a device for preventing an earthquake landslide and surge from impacting a dam structure.
Background
Landslide surge is surge caused by sudden gliding of bank slope rock-soil bodies in a reservoir area and impact of reservoir water, small landslide is not harmful, huge slide bodies of large landslides rush into a reservoir at a high speed, water bodies are excited to generate huge surge waves and rush to opposite banks or water retaining buildings, and the surge waves can generate a climbing phenomenon and then climb over the top of a dam to damage the dam body and the downstream.
The existing impact-proof structure can only reduce the impact on the dam, and the impact-proof structure is damaged due to the impact of surge for a long time, is not easy to replace, and can not effectively prevent the climbing phenomenon of the surge.
In view of the above problems, the present invention provides a device for preventing the impact of earthquake landslide and surge on a dam structure, so as to solve the above problems.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a device for preventing seismic landslide surge from impacting a dam structure comprising:
a slope body;
the dam is built on the opposite bank of the slope body;
the fixed rod is fixed on one side of the dam close to the slope body and is vertically fixed with the inclined plane of the dam;
the anti-impact assembly is hinged on the fixed rod and used for blocking the impact of landslide and surge on the dam; and
and the energy dissipation component is hinged to the bottom of the impact prevention component and suspended on the water body, and is used for preliminarily dissipating energy of landslide surge.
Further, preferably, the energy dissipating assembly includes:
one end of the connecting plate is hinged to the bottom end of the impact-proof component;
the limiting plate is fixed on the upper end face, far away from the impact-resistant component, of the connecting plate;
the reverse pushing assemblies are symmetrically arranged into two groups, the bottoms of the reverse pushing assemblies are connected by adopting a suspension plate, and the bottom of the suspension plate is connected above the limiting plate by adopting a limiting chain;
the mounting frame is fixed on the upper end face of the reverse pushing assembly; and
and the turntable assembly is fixed on the upper end surface of the mounting frame, is positioned in the middle of the reverse thrust assembly and is used for preliminarily dissipating energy of landslide surge.
Further, preferably, the thrust reverser assembly includes:
the reverse pushing column is fixed on the upper end surface of the suspension plate; and
the reverse pushing block is arranged in one side, away from the impact-resistant component, of the reverse pushing column in a sliding mode, and a reverse pushing spring is arranged between the reverse pushing block and the reverse pushing column;
and one side of the reverse thrust block, which is far away from the reverse thrust spring, is provided with an arc energy collecting surface for collecting the impact force of landslide surge and applying reverse impact force to the landslide surge through the reverse thrust spring.
Further, preferably, the turntable assembly includes:
the connecting shaft is fixed on the upper end surface of the mounting frame by adopting a mounting seat;
the rotating disc is symmetrically and rotatably arranged on the connecting shaft, and one sides of the rotating disc, which are close to each other, are provided with limiting wheels which are fixed on the connecting shaft; and
and the blocking pieces are circumferentially arranged between the turntables.
Further, it is preferred that the separation blade be the arc lamellar body, the landslide of being convenient for is swarmed and is rotated for the carousel and provide power.
Further, preferably, a rotating cylinder is coaxially fixed between the rotating discs, a plurality of limiting teeth are hinged to the inner circumference of the rotating cylinder, the limiting teeth are all meshed with the limiting wheel, and the limiting teeth are all pressed on the limiting wheel through spring pieces and are used for providing resistance to rotation of the rotating discs.
Further, preferably, the impact prevention assembly includes:
the reset plate is hinged on the fixed rod;
the upper impact plate is hinged to the upper end of the reset plate;
the lower impact plate is hinged to the lower end of the reset plate;
guide posts are arranged between the upper impact plate and the reset plate and between the lower impact plate and the reset plate in a sliding mode, and guide springs are sleeved on the outer walls of the guide posts;
the reset components are symmetrically and slidably arranged in the fixed rod; and
and one end of the sliding plate is hinged on the reset plate, and the other end of the sliding plate is hinged on the reset component.
Further, it is preferred, it has the elastic connection board to go up the impact plate and the one side that the dead lever was kept away from to impact plate down, the elastic connection board is arc guide structure for lead to the landslide swell.
Further, preferably, the reset assembly includes:
the reset groove is formed in the fixed rod;
the reset block is arranged in the reset groove in a sliding mode, and reset springs are arranged between the two sides of the reset block and the reset groove; and
and the hinged bin is fixed on the upper end surface of the reset block and is positioned outside the fixed rod.
Compared with the prior art, the invention provides a device for preventing the impact of earthquake landslide and surge on a dam structure, which has the following beneficial effects:
in the invention, the small-sized landslide surge can be directly eliminated through the arranged energy dissipation component, so that the impact of the impact prevention component on the landslide surge for a long time is avoided, when the energy dissipation component dissipates the energy of the landslide surge, the impact force can be collected through the reverse thrust block, when the reverse thrust spring is compressed to the limit, the reverse thrust block is pushed and generates thrust to the impact force, so that the thrust is mutually offset with the impact generated by the landslide surge, the energy dissipation effect is improved, the resistance generated when the rotary table rotates can be improved through the matching of the limiting wheels and the limiting teeth, so that the energy dissipation of the landslide surge is further realized, when a large-sized landslide surge occurs, the landslide surge can be preliminarily dissipated through the energy dissipation component, the lower impact plate is pushed to rotate through the hinged position of the impact prevention component, the landslide surge is buffered, the upper impact plate and the reset plate are driven to move, so that the elastic connecting plate forms a semicircular arc positioned in a first quadrant, therefore, the surging of the climbing slope forms a parabola and the parabola collides with the landslide, so that the climbing phenomenon of the landslide surging is prevented from crossing the dam, and the safety of the device is improved.
Drawings
FIG. 1 is a schematic overall view of a device for preventing the impact of seismic landslide swell on a dam structure;
FIG. 2 is a schematic view of an energy dissipating assembly for preventing earthquake landslide surge from impacting a dam structure;
FIG. 3 is a schematic view of an impact assembly for an apparatus for preventing the impact of seismic landslide swell on a dam structure;
FIG. 4 is a schematic view of a resetting assembly for a device for preventing the impact of seismic landslide surges on a dam structure;
in the figure: 1. a dam; 2. a slope body; 3. an energy dissipation assembly; 4. fixing the rod; 5. an impact-resistant component; 31. a connecting plate; 32. a limiting plate; 33. a spacing chain; 34. a reverse pushing column; 341. a reverse pushing block; 35. a mounting frame; 36. a connecting shaft; 37. a turntable; 371. a rotary drum; 372. limiting teeth; 373. a spring plate; 38. a baffle plate; 51. a reset plate; 52. an upper impact plate; 53. a lower impact plate; 54. an elastic connecting plate; 55. a guide post; 56. a sliding plate; 57. a reset assembly; 571. a reset groove; 572. a reset block; 573. a hinged bin; 574. a return spring.
Detailed Description
Referring to fig. 1 to 4, the present invention provides a technical solution: a device for preventing seismic landslide surge from impacting a dam structure comprising:
a slope body 2;
the dam 1 is built on the opposite bank of the slope body 2;
the fixing rod 4 is fixed on one side of the dam 1 close to the slope body 2 and is vertically fixed with the inclined plane of the dam 1;
the impact-proof component 5 is hinged on the fixed rod 4 and used for blocking the impact of landslide and surge on the dam 1; and
and the energy dissipation component 3 is hinged to the bottom of the impact prevention component 5, is suspended on a water body and is used for preliminarily dissipating energy of landslide surge.
It should be noted that the impact-resistant components 5 and the energy-dissipating components 3 can be installed in a plurality of ways according to the building trend of the dam 1, so that the dam 1 can be protected comprehensively.
In this embodiment, the energy dissipating assembly 3 includes:
one end of the connecting plate 31 is hinged to the bottom end of the impact-proof component 5;
the limiting plate 32 is fixed on the upper end face, away from the impact-resistant component 5, of the connecting plate 31;
the reverse thrust assemblies are symmetrically arranged into two groups, the bottoms of the reverse thrust assemblies are connected by adopting a suspension plate, and the bottom of the suspension plate is connected above the limit plate 32 by adopting a limit chain 33;
the mounting frame 35 is fixed on the upper end face of the reverse thrust assembly; and
and the turntable assembly is fixed on the upper end surface of the mounting frame 35, is positioned in the middle of the reverse thrust assembly and is used for preliminarily dissipating energy of landslide surge.
It should be noted that the lower part of the turntable assembly is positioned in the water body, so that the waves generated by wind on the water surface at ordinary times can be eliminated, the stress of the impact-resistant assembly 5 at ordinary times is avoided, the service life of the impact-resistant assembly is prolonged, namely, the energy dissipation assembly is only required to be replaced periodically, and the replacement difficulty is reduced.
As a preferred embodiment, the thrust reverser assembly comprises:
the reverse pushing column 34 is fixed on the upper end face of the suspension plate; and
the reverse pushing block 341 is slidably arranged in one side of the reverse pushing column 34 far away from the impact-resistant component 5, and a reverse pushing spring is arranged between the reverse pushing column 34 and the reverse pushing block 341;
and, an arc energy collecting surface is arranged on one side of the reverse pushing block 341 away from the reverse pushing spring, and is used for collecting the impact force of the landslide surge and applying the reverse impact force to the landslide surge through the reverse pushing spring.
That is, when the reverse pushing spring is compressed to the limit, it pushes the reverse pushing block 341 and makes it generate a pushing force to the impact force, so that it is offset with the impact generated by the landslide surge, and the energy dissipation effect is improved.
As a preferred embodiment, the turntable assembly comprises:
the connecting shaft 36 is fixed on the upper end surface of the mounting frame 35 by adopting a mounting seat;
the rotating disc 37 is symmetrically and rotatably arranged on the connecting shaft 36, and one sides of the rotating disc, which are close to each other, are provided with limiting wheels which are fixed on the connecting shaft 36; and
and the blocking pieces 38 are circumferentially arranged between the turntables 37.
In a preferred embodiment, the blocking plate 38 is an arc-shaped plate, so that landslide and surge can be facilitated to provide power for the rotation of the rotating disc 37.
In a preferred embodiment, a rotating cylinder 371 is coaxially fixed between the rotating discs 37, a plurality of limiting teeth 372 are hinged to the inner circumference of the rotating cylinder 371, the limiting teeth 372 are all engaged with the limiting wheel, and the limiting teeth 372 are all pressed on the limiting wheel through a spring leaf 373 to provide resistance to the rotation of the rotating discs 37, so that the energy dissipation of landslide surge can be further performed.
In the present embodiment, the impact prevention assembly 5 includes:
a reset plate 51 hinged on the fixing rod 4;
an upper striking plate 52 hinged to an upper end of the reset plate 51;
a lower striking plate 53 hinged to a lower end of the reset plate 51;
guide posts 55 are arranged between the upper impact plate 52, the lower impact plate 53 and the reset plate 51 in a sliding manner, and guide springs are sleeved on the outer walls of the guide posts 55;
the reset component 57 is symmetrically and slidably arranged inside the fixing rod 4; and
a sliding plate 56 having one end hinged to the reset plate 51 and the other end hinged to the reset assembly 57.
In a preferred embodiment, the upper striking plate 52 and the lower striking plate 53 are hinged with an elastic connecting plate 54 at a side away from the fixing rod 4, and the elastic connecting plate 54 is an arc-shaped guide structure for guiding landslide surge.
It is to be noted that when the elastic web 54 is in the non-resting state, it forms a semicircular arc in the fourth quadrant by means of the upper 52 and lower 53 striking plates.
In a preferred embodiment, the reset assembly 57 comprises:
a reset groove 571 formed in the fixing rod 4;
the reset block 572 is slidably arranged in the reset groove 571, and reset springs 574 are arranged between two sides of the reset block 572 and the reset groove 571; and
and a hinge chamber 573 fixed to an upper end surface of the restoring block 572 and located outside the fixing rod 4.
Specifically, the small-sized landslide surge can be directly eliminated through the arranged energy dissipation component 3, the impact of the impact protection component 5 on the landslide surge is avoided for a long time, when the energy dissipation component 3 dissipates the energy of the landslide surge, the impact force can be collected through the reverse pushing block 341, when the reverse pushing spring is compressed to the limit, the reverse pushing block is pushed and generates thrust to the impact force, the thrust is offset with the impact generated by the landslide surge, the energy dissipation effect is improved, the resistance generated when the rotary disc 37 rotates can be improved through the matching of the limiting wheels and the limiting teeth 372, the further energy dissipation of the landslide surge is realized, when the large-sized landslide surge surges, the landslide surge can be preliminarily dissipated through the energy dissipation component 3, the lower impact plate 53 is pushed to rotate through the hinged position of the impact protection component 5, the landslide surge is buffered, and the upper impact plate 52 and the reset plate 51 are driven to move, the elastic connecting plate 54 is formed into a semicircular arc positioned in the first quadrant, so that the surging of the climbing can form a parabola and the parabola can collide with the surging of the landslide, thereby preventing the climbing phenomenon of the surging of the landslide from crossing the dam and improving the safety of the device.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (9)
1. The utility model provides a be used for preventing earthquake landslide surge to dam structure impact device which characterized in that: the method comprises the following steps:
a slope body (2);
the dam (1) is built on the opposite bank of the slope body (2);
the fixing rod (4) is fixed on one side, close to the slope body (2), of the dam (1) and is vertically fixed with the inclined plane of the dam (1);
the impact-proof component (5) is hinged on the fixed rod (4) and used for blocking the impact of landslide and surge on the dam (1); and
and the energy dissipation component (3) is hinged to the bottom of the impact prevention component (5) and is suspended on a water body and used for preliminarily dissipating energy of landslide surge.
2. The apparatus for preventing the impact of seismic landslide surge on a dam structure of claim 1, wherein: the energy dissipating assembly (3) comprises:
one end of the connecting plate (31) is hinged to the bottom end of the impact-proof component (5);
the limiting plate (32) is fixed on the upper end face, away from the impact-resistant component (5), of the connecting plate (31);
the reverse thrust assemblies are symmetrically arranged into two groups, the bottoms of the reverse thrust assemblies are connected by adopting a suspension plate, and the bottom of the suspension plate is connected above the limit plate (32) by adopting a limit chain (33);
the mounting frame (35) is fixed on the upper end face of the reverse thrust assembly; and
and the turntable component is fixed on the upper end surface of the mounting frame (35), is positioned in the middle of the reverse thrust component and is used for preliminarily dissipating energy of landslide surge.
3. The apparatus for preventing the impact of seismic landslide surge on dam structure of claim 2, wherein: the thrust reverser assembly comprises:
the reverse pushing column (34) is fixed on the upper end surface of the suspension plate; and
the reverse pushing block (341) is arranged in one side of the reverse pushing column (34) far away from the impact-resistant component (5) in a sliding manner, and a reverse pushing spring is arranged between the reverse pushing block and the reverse pushing column (34);
and one side of the reverse pushing block (341) far away from the reverse pushing spring is provided with an arc energy collecting surface for collecting the impact force of the landslide surge and applying reverse impact force to the landslide surge through the reverse pushing spring.
4. The apparatus for preventing the impact of seismic landslide surge on dam structure of claim 2, wherein: the carousel subassembly includes:
the connecting shaft (36) is fixed on the upper end surface of the mounting frame (35) by adopting a mounting seat;
the rotating disc (37) is symmetrically and rotatably arranged on the connecting shaft (36), and one sides of the rotating disc, which are close to each other, are provided with limiting wheels which are fixed on the connecting shaft (36); and
and the blocking pieces (38) are circumferentially arranged between the turntables (37).
5. The apparatus for preventing the impact of seismic landslide surge on dam structure of claim 4, wherein: the separation blade (38) is an arc-shaped sheet body, so that landslide and surge are facilitated to provide power for rotation of the rotary disc (37).
6. The apparatus for preventing the impact of seismic landslide surge on dam structure of claim 4, wherein: a rotating cylinder (371) is coaxially fixed between the rotating discs (37), a plurality of limiting teeth (372) are hinged to the inner circumference of the rotating cylinder (371), the limiting teeth (372) are all meshed with the limiting wheel, and the limiting teeth (372) are all pressed on the limiting wheel through a spring piece (373) and used for providing resistance to the rotation of the rotating discs (37).
7. The apparatus for preventing the impact of seismic landslide surge on a dam structure of claim 1, wherein: the impact protection assembly (5) comprises:
a reset plate (51) hinged on the fixed rod (4);
an upper striking plate (52) hinged to an upper end of the reset plate (51);
a lower striking plate (53) hinged to the lower end of the reset plate (51);
guide posts (55) are arranged between the upper impact plate (52) and the reset plate (51) and between the lower impact plate (53) and the reset plate (51) in a sliding manner, and guide springs are sleeved on the outer walls of the guide posts (55);
the reset assembly (57) is symmetrically and slidably arranged inside the fixed rod (4); and
and the sliding plate (56) is hinged to the reset plate (51) at one end and hinged to the reset assembly (57) at the other end.
8. The apparatus for preventing the impact of seismic landslide surge on dam structure of claim 7, wherein: go up impact plate (52) and one side that dead lever (4) were kept away from to impact plate (53) down is articulated to have an elastic connecting plate (54), elastic connecting plate (54) are arc guide structure for lead to the landslide surge.
9. The apparatus for preventing the impact of seismic landslide surge on dam structure of claim 7, wherein: the reset assembly (57) comprises:
a reset groove (571) arranged inside the fixed rod (4);
the reset block (572) is arranged in the reset groove (571) in a sliding mode, and reset springs (574) are arranged between the two sides of the reset block and the reset groove (571); and
and the hinged bin (573) is fixed on the upper end face of the reset block (572) and is positioned outside the fixed rod (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210305424.3A CN114606911B (en) | 2022-03-25 | 2022-03-25 | Device for preventing earthquake landslide surge from impacting dam structure |
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| CN202210305424.3A CN114606911B (en) | 2022-03-25 | 2022-03-25 | Device for preventing earthquake landslide surge from impacting dam structure |
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|---|---|
| CN114606911B (en) | 2023-06-20 |
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