CN113914236B - Landslide collapse rockfall protection network zipper structure with toughness energy dissipation function - Google Patents
Landslide collapse rockfall protection network zipper structure with toughness energy dissipation function Download PDFInfo
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- CN113914236B CN113914236B CN202111247314.8A CN202111247314A CN113914236B CN 113914236 B CN113914236 B CN 113914236B CN 202111247314 A CN202111247314 A CN 202111247314A CN 113914236 B CN113914236 B CN 113914236B
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- energy dissipation
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- rockfall protection
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
- E01F7/045—Devices specially adapted for protecting against falling rocks, e.g. galleries, nets, rock traps
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
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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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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
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- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The invention discloses a landslide collapse rockfall protection net zipper structure with a toughness energy dissipation function, which relates to the technical field of rockfall protection, is preset at the bottom of a side slope and comprises: the fixing components are arranged in a plurality of numbers and are fixed at the positions, close to the bottom, of the side slopes at equal intervals; a strut hinged to the fixed component; two groups of supporting ropes are fixed at one end of the support pillar, which is far away from the fixing component, and one ends of the two groups of supporting ropes, which are far away from the support pillar, are fixed in the side slope through anchor rods; a wire rope net disposed between the pillars; and the buffer components are configured to be a plurality of buffer components which are sleeved on the support posts at equal intervals.
Description
Technical Field
The invention relates to the technical field of rockfall protection, in particular to a landslide collapse rockfall protection net zipper structure with a toughness energy dissipation function.
Background
The side slope is unstable in mountain body and prone to landslide, so that the side slope collapses to generate falling rocks, and danger is prone to occurring, and therefore a side slope protective net needs to be used, is protective equipment used in landslide of a highway and a railway and is classified into active protection and passive protection.
The existing passive protective net adopts toughness of the protective net to buffer and dissipate energy of falling rocks, the protective net is easy to damage, and when the stress of the protective net reaches a limit value, tension can be generated on a strut, so that the strut is bent and damaged, and the protective net cannot be used for a long time.
Aiming at the problems, the invention provides a landslide collapse rockfall protection net zipper structure with a toughness energy dissipation function, and aims to solve the problems.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a landslide collapse rockfall protection network zip structure that possesses toughness energy dissipation function, presets in the side slope bottom, includes:
the fixing components are arranged in a plurality of numbers and are fixed at the positions, close to the bottom, of the side slopes at equal intervals;
a strut hinged to the fixed component;
two groups of supporting ropes are fixed at one end of the support pillar, which is far away from the fixing component, and one ends of the two groups of supporting ropes, which are far away from the support pillar, are fixed in the side slope through anchor rods;
a wire rope net disposed between the pillars; and
the buffer assemblies are arranged in a plurality of numbers and are sleeved on the support posts at equal intervals.
Further, preferably, a telescopic ring is fixed at the joint of the support rope and the anchor rod and used for providing telescopic resistance for the support rope, and a return spring is arranged in the telescopic ring.
Further, preferably, the fixing assembly includes:
the base is fixed in the side slope by adopting foundation bolts;
the hinge ball is fixed in the middle of the base and used for enabling the support column to rotate; and
and at least four third energy dissipation springs, wherein one end of each third energy dissipation spring is hinged to the base, and the other end of each third energy dissipation spring is hinged to a position, close to the bottom end, of the support column, and the third energy dissipation springs are used for keeping the support column balanced.
Further, preferably, the number of the third energy dissipation springs is a multiple of four, and the third energy dissipation springs are circumferentially arranged to enable the supporting columns to be stressed uniformly.
Further, preferably, the pillar includes:
connecting columns; and
spacing post, the equidistance is fixed on the spliced pole, just the buffering subassembly has been cup jointed between the spacing post for the pulling force that the spliced pole received is buffered.
Further, preferably, the buffer assembly includes:
the buffer ring is sleeved on the strut, and an annular sliding groove is formed in the buffer ring;
the two sliding blocks are symmetrically arranged in the annular sliding groove in a sliding manner;
the connecting plate is arranged at one end of the sliding block;
the fixing piece is fixed in the annular sliding groove and is positioned on one side far away from the connecting plate; a plurality of second energy dissipation springs connected between the fixed member and the sliding block; and
the speed reduction assemblies are four groups, are arranged in the buffer ring in a sliding mode, and are located on the upper side and the lower side of one end, close to the fixing piece, of the sliding block.
Further, preferably, the connection plate includes:
the first connecting plate is fixed at one end, far away from the fixing piece, of the sliding block; and
the second connecting plate is hinged to one end, far away from the sliding block, of the first connecting plate, a torsion spring is arranged at the hinged position of the second connecting plate and the first connecting plate, and a 35-degree included angle is formed between the second connecting plate and the first connecting plate when the second connecting plate is in a forbidden state.
Further, preferably, a placing hole is formed in the buffer ring, the speed reduction assembly is arranged in the placing hole in a sliding mode, limiting grooves are formed in two sides of the buffer ring in a stacking mode, and the limiting grooves enable the sliding block to slide between 0 degrees and 35 degrees.
Preferably, the upper surface and the lower surface of the sliding block are provided with inclined surfaces inclined towards the connecting plate, and the inclined surfaces are used for reducing the speed by using the speed reducing component when the sliding block moves back.
Further, preferably, the deceleration assembly includes:
the deceleration column is arranged in the placing hole in a sliding mode, and a deceleration spring is arranged between the deceleration column and the placing hole; and
the deceleration wheel rotates and sets up the one end of placing the hole is kept away from to the deceleration post.
Compared with the prior art, the invention provides a landslide collapse rockfall protection net zipper structure with a toughness energy dissipation function, which has the following beneficial effects:
in the invention, the buffer component is arranged on the pillar, the wire rope net rack is arranged on the buffer component, when falling rocks generate impact force on the wire rope net, firstly, the impact force can be buffered for the first time through the torsion spring hinged between the first connecting plate and the second connecting plate, and the impact force is reduced primarily, when the second connecting plate reaches the limit value, the first connecting plate pushes the sliding block to slide, so that the second energy dissipation spring can carry out secondary buffering and energy dissipation on the impact force, when the sliding block slides to the limit, at the moment, the toughness of the steel wire rope net is utilized to continuously dissipate energy, the impact force on the steel wire rope net is reduced, the service life is prolonged, when the steel wire rope net does not completely eliminate the impact force, the support is pulled to rotate, thus energy dissipation is carried out through the third energy dissipation spring, and the pillar is hinged with the base to prevent the pillar from being damaged.
When second energy dissipation spring replied, the sliding block has reduced second energy dissipation spring's answer speed through the extrusion of speed reduction subassembly to reduce the dynamics of resilience, prevented to pop out small-size falling rocks.
Drawings
FIG. 1 is an overall schematic view of a landslide collapse rockfall protection net zipper structure with a toughness energy dissipation function;
FIG. 2 is a schematic view of a fixing component of a landslide collapse rockfall protection net zipper structure with toughness energy dissipation function;
FIG. 3 is a schematic view of a pillar of a landslide collapse rockfall protection net zipper structure with a toughness energy dissipation function;
FIG. 4 is a schematic view of a buffering assembly of a landslide collapse rockfall protection net zipper structure with a toughness energy dissipation function;
in the figure: 1. a fixing assembly; 2. a support line; 3. a pillar; 4. a wire rope mesh; 5. a buffer assembly; 11. a base; 12. hinging the ball; 13. a third energy dissipating spring; 31. a limiting column; 32. connecting columns; 51. a buffer ring; 52. a slider; 53. a first connecting plate; 54. a second connecting plate; 55. a second energy dissipating spring; 56. a fixing member; 57. a deceleration column; 58. a deceleration spring; 59. a speed reducing wheel; 511. placing holes; 512. a limiting groove.
Detailed Description
Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a landslide collapse rockfall protection network zip structure that possesses toughness energy dissipation function presets in the side slope bottom, includes:
the fixing assemblies 1 are arranged in a plurality of numbers and are fixed at the positions of the slopes close to the bottoms at equal intervals;
a strut 3 hinged to the fixed assembly 1;
two groups of supporting ropes 2 are fixed at one end of the pillar 3 far away from the fixing component 1, and one ends of the two groups of supporting ropes 2 far away from the pillar 3 are fixed in the side slope through anchor rods;
a wire rope net 4 provided between the pillars 3; and
the buffer components 5 are configured to be a plurality of and sleeved on the support 3 at equal intervals.
In this embodiment, a telescopic ring is fixed at the joint of the support rope 2 and the anchor rod for providing telescopic resistance for the support rope 2, and a return spring is arranged in the telescopic ring.
In the present embodiment, the fixing assembly 1 includes:
the base 11 is fixed in the side slope by adopting foundation bolts;
the hinging ball 12 is fixed at the middle position of the base 11 and is used for rotating the support column 3, namely, the support column 3 can rotate in multiple directions through spherical hinging with the base 11, so that the support column can adapt to impact force in multiple directions and the damage to the support column 3 is avoided; and
and at least four third energy dissipation springs 13 are hinged to the base 11 at one end and hinged to the position of the strut 3 close to the bottom end at the other end, and are used for keeping the strut 3 balanced.
In a preferred embodiment, the number of the third dissipating springs 13 is a multiple of four, and the third dissipating springs 13 are circumferentially arranged for uniformly applying the force to the supporting column 3, that is, the supporting column 3 can be kept balanced without applying an external force by arranging the third dissipating springs 13 around the supporting column 3.
Referring to fig. 3 to 4, in the present embodiment, the pillar 3 includes:
a connecting post 32; and
spacing post 31, the equidistance is fixed on the spliced pole 32, just buffer assembly 5 has been cup jointed between the spacing post 31 for the pulling force that buffer spliced pole 32 received.
In this embodiment, the buffer assembly 5 includes:
the buffer ring 51 is sleeved on the strut 3, and an annular sliding groove is formed in the buffer ring 51;
two sliding blocks 52 are symmetrically and slidably arranged in the annular sliding groove;
a connecting plate installed at one end of the sliding block 52;
the fixing piece 56 is fixed in the annular sliding groove, and the fixing piece 56 is positioned on one side far away from the connecting plate;
a plurality of second energy dissipating springs 55 connected between the fixing member 56 and the slide block 52; and
the four groups of speed reducing components are slidably arranged in the buffer ring 51, and the speed reducing components are positioned at the upper side and the lower side of one end of the sliding block 52 close to the fixing part 56, specifically, when the second energy dissipation spring 55 is restored, the restoring speed of the second energy dissipation spring 55 is reduced by the sliding block 52 through the extrusion of the speed reducing components, so that the restoring force is reduced, and the small falling rocks are prevented from being ejected.
As a preferred embodiment, the connection plate includes:
a first connecting plate 53 fixed to an end of the sliding block 52 away from the fixing member 56; and
and the second connecting plate 54 is hinged to one end of the first connecting plate 53, which is far away from the sliding block 52, a torsion spring is arranged at the hinged position of the second connecting plate 54 and the first connecting plate 53, and an included angle of 35 degrees is formed between the second connecting plate 54 and the first connecting plate 53 when the second connecting plate 54 is in a forbidden state.
It should be explained that the elastic coefficient of the third energy dissipating spring 13 is greater than the sum of the elastic coefficients of the second energy dissipating spring 55 and the torsion spring, that is, when the torsion spring and the second energy dissipating spring cannot completely dissipate the impact force, the third energy dissipating spring 13 will perform energy dissipating buffering, so as to improve the energy dissipating and buffering effect.
In a preferred embodiment, the buffer ring 51 is provided with a placement hole 511, the reduction component is slidably disposed in the placement hole 511, the buffer ring 51 is stacked on both sides to form a limit groove 512, and the limit groove 512 enables the sliding block 52 to slide between 0 ° and 35 °.
In a preferred embodiment, the upper and lower surfaces of the sliding block 52 are provided with inclined surfaces inclined toward the connecting plate, so that the sliding block 52 is decelerated by the deceleration assembly during the return motion.
As a preferred embodiment, the deceleration assembly comprises:
a deceleration column 57 slidably disposed in the placement hole 511, and a deceleration spring 58 disposed between the deceleration column 57 and the placement hole 511; and
and a speed reducing wheel 59 rotatably arranged at one end of the speed reducing column 57 far away from the placing hole 511.
Specifically, firstly, the buffer component 5 is sleeved on the pillar 3, then the pillar 3 is hinged on the fixing component 1, the steel wire rope net 4 is fixed on the buffer component 5, the top end of the pillar 3 is supported by the support rope 2 fixed on the side slope, the installation is completed, when falling rocks fall, firstly, the impact force is primarily buffered by the torsion spring hinged between the first connecting plate 53 and the second connecting plate 54, the impact force is primarily reduced, when the second connecting plate 54 reaches the limit value, the first connecting plate 53 pushes the sliding block 52 to slide, so that the second energy dissipation spring 55 performs secondary buffering and energy dissipation on the impact force, when the sliding block 52 slides to the limit, the energy dissipation is continuously performed by utilizing the toughness of the steel wire rope net 4 at the moment, the impact force borne by the steel wire rope net is reduced, the service life is prolonged, when the impact force is not completely eliminated by the steel wire rope net 4, at this moment, the strut 3 is pulled to rotate, energy dissipation is carried out through the third energy dissipation spring 13, the strut 3 prevents damage of the strut 3 through being hinged with the base 11, and when the second energy dissipation spring 55 recovers, the sliding block 52 reduces the recovery speed of the second energy dissipation spring 55 through extrusion of the speed reduction assembly, so that the resilience force is reduced, and the small falling rocks are prevented from being ejected out.
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 (8)
1. The utility model provides a landslide collapse rockfall protection network zip structure that possesses toughness energy dissipation function presets in the slope bottom, its characterized in that: the method comprises the following steps:
the fixing assemblies (1) are arranged in a plurality of numbers and are fixed at the positions, close to the bottom, of the side slopes at equal intervals;
a strut (3) hinged to the fixed assembly (1);
two groups of supporting ropes (2) are fixed at one end of the pillar (3) far away from the fixing component (1), and one ends of the two groups of supporting ropes (2) far away from the pillar (3) are fixed in the side slope through anchor rods;
a wire rope net (4) arranged between the pillars (3); and
a plurality of buffer assemblies (5) which are arranged and sleeved on the support posts (3) at equal intervals;
the damping assembly (5) comprises:
the buffer ring (51) is sleeved on the strut (3), and an annular sliding groove is formed in the buffer ring (51);
two sliding blocks (52) which are symmetrically and slidably arranged in the annular sliding groove;
a connecting plate mounted on one end of the sliding block (52);
the fixing piece (56) is fixed in the annular sliding groove, and the fixing piece (56) is positioned on one side far away from the connecting plate;
a plurality of second energy dissipating springs (55) connected between the fixing member (56) and the slide block (52); and
the four groups of speed reducing components are arranged in the buffer ring (51) in a sliding manner, and the speed reducing components are positioned on the upper side and the lower side of one end, close to the fixing piece (56), of the sliding block (52);
the connecting plate includes:
a first connecting plate (53) fixed at one end of the sliding block (52) far away from the fixing piece (56); and
and the second connecting plate (54) is hinged to one end, away from the sliding block (52), of the first connecting plate (53), a torsion spring is arranged at the hinged position of the second connecting plate (54) and the first connecting plate (53), and an included angle of 35 degrees is formed between the second connecting plate (54) and the first connecting plate (53) when the second connecting plate (54) is in a forbidden state.
2. The landslide collapse rockfall protection net zipper structure with toughness energy dissipation function according to claim 1, wherein: the joint of the support rope (2) and the anchor rod is fixed with a telescopic ring for providing telescopic resistance for the support rope (2), and a return spring is arranged in the telescopic ring.
3. The landslide collapse rockfall protection net zipper structure with toughness energy dissipation function according to claim 1, wherein: the fixation assembly (1) comprises:
the base (11) is fixed in the side slope by adopting foundation bolts;
a hinged ball (12) fixed at the middle position of the base (11) and used for rotating the support column (3); and
and at least four third energy dissipation springs (13) are hinged to the base (11) at one end, and hinged to the position, close to the bottom end, of the strut (3) at the other end, and are used for keeping the balance of the strut (3).
4. The landslide collapse rockfall protection net zipper structure with the toughness energy dissipation function according to claim 3, characterized in that: the number of the third energy dissipation springs (13) is a multiple of four, and the third energy dissipation springs (13) are circumferentially distributed and used for enabling the supporting columns (3) to be stressed uniformly.
5. The landslide collapse rockfall protection net zipper structure with the toughness energy dissipation function according to claim 1, characterized in that: the strut (3) comprises:
a connecting column (32); and
spacing post (31), the equidistance is fixed on spliced pole (32), just buffer assembly (5) have been cup jointed between spacing post (31) for the pulling force that buffer spliced pole (32) received.
6. The landslide collapse rockfall protection net zipper structure with toughness energy dissipation function according to claim 1, wherein: the buffer ring (51) is provided with a placing hole (511), the placing hole (511) is internally provided with a speed reducing component in a sliding mode, two sides of the buffer ring (51) are stacked to form a limiting groove (512), and the limiting groove (512) can enable the sliding block (52) to slide between 0-35 degrees.
7. The landslide collapse rockfall protection net zipper structure with toughness energy dissipation function according to claim 1, wherein: inclined planes inclined towards the connecting plate are formed in the upper surface and the lower surface of the sliding block (52) respectively and used for reducing the speed by using the speed reducing component when the sliding block (52) moves back.
8. The landslide collapse rockfall protection net zipper structure with toughness energy dissipation function according to claim 6, wherein: the speed reduction assembly includes:
the deceleration column (57) is arranged in the placing hole (511) in a sliding mode, and a deceleration spring (58) is arranged between the deceleration column (57) and the placing hole (511); and
and the deceleration wheel (59) is rotatably arranged at one end of the deceleration column (57) far away from the placing hole (511).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111247314.8A CN113914236B (en) | 2021-10-26 | 2021-10-26 | Landslide collapse rockfall protection network zipper structure with toughness energy dissipation function |
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| CN202111247314.8A CN113914236B (en) | 2021-10-26 | 2021-10-26 | Landslide collapse rockfall protection network zipper structure with toughness energy dissipation function |
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| CN113914236B true CN113914236B (en) | 2022-09-23 |
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| CN114718049B (en) * | 2022-03-22 | 2023-10-31 | 山东高速能源发展有限公司 | Photovoltaic windproof grass-proof device for expressway side slope and construction method |
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| CN113914236A (en) | 2022-01-11 |
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