CN218713149U - Flexible blocking net protection structure - Google Patents
Flexible blocking net protection structure Download PDFInfo
- Publication number
- CN218713149U CN218713149U CN202222993934.2U CN202222993934U CN218713149U CN 218713149 U CN218713149 U CN 218713149U CN 202222993934 U CN202222993934 U CN 202222993934U CN 218713149 U CN218713149 U CN 218713149U
- Authority
- CN
- China
- Prior art keywords
- fixed
- anchor cable
- ground beam
- protection
- ground
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The utility model discloses a flexible blocking net protective structure, include: at least two protection piles, wherein all the protection piles are vertically positioned between the two mountain slopes and positioned in the same protection plane; the fixing assembly is positioned in the protection plane and comprises two groups of fixing plates which are respectively arranged on the two mountain slopes; the protection network, it is located the protection plane, including many horizontal stop lines and many vertical stop lines that vertically and horizontally staggered is fixed, all fender piles are all passed to each horizontal stop line to both ends can be dismantled fixedly with two sets of fixed plates respectively, and a horizontal stop line is fixed at least to every fixed plate. The utility model discloses can improve holistic protection energy level to reach the effect that the protection network was easily maintained after being strikeed by the rock fall that collapses.
Description
Technical Field
The utility model relates to a massif protection technical field especially relates to a flexible blocking net protective structure.
Background
Along with the large-scale extension to the complex mountain area of difficult danger of highway, railway construction, extreme climate, earthquake frequently take place, cause the geological disasters problem in linear engineering construction and the operation process to be increasingly outstanding, especially high-order collapse rock fall frequently sends, and impact energy is big, and the protection energy level of traditional active and passive protection network is difficult to satisfy present protection demand, for example, CN201410844073.9 discloses a mine protection network, including the device body, the mine protection network body mainly comprises steel wire and reinforcing bar, its characterized in that: the framework of the mine protective net is rectangular, the integral structure is a square grid, the mine protective net is divided into two layers, the upper layer structure is made of steel bars, the lower layer structure is made of steel wires, and the two layers of structures are integrated through a spot welding process. Although the structure is simple and reasonable, the cost is low, and the rigidity and the toughness are ensured to a certain extent. However, the structure cannot bear the impact of high energy level, and the two-layer structure is easy to break under the impact of higher energy level. And the frame support mode is adopted, the requirement on the structural strength of the frame is high, and the frame structure cannot meet the requirement when the frame is impacted by a high energy level.
Therefore, how to design a flexible blocking and protecting structure with high energy level and easy maintenance is a technical problem to be solved in the field.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the above-mentioned prior art, the utility model provides a flexible fender net protective structure that blocks. The overall protection energy level can be improved, and the effect that the protection net is easy to maintain after being impacted by the collapsed falling rocks is achieved.
The utility model provides a flexible blocking net protective structure, include:
at least two protection piles, wherein all the protection piles are vertically positioned between the two mountain slopes and positioned in the same protection plane;
the fixing assembly is positioned in the protection plane and comprises two groups of fixing plates which are respectively arranged on the two mountain slopes;
the protection network, it is located the protection plane, including many horizontal stop lines and many vertical stop lines that vertically and horizontally staggered is fixed, all fender piles are all passed to each horizontal stop line to both ends can be dismantled fixedly with two sets of fixed plates respectively, and a horizontal stop line is fixed at least to every fixed plate.
Furthermore, one side of the flexible blocking net protective structure bearing load is provided with a plurality of groups of prestressed anchor cables corresponding to the number and the positions of the protective piles, each group of prestressed anchor cables are located in the same plane and are vertical to the protective plane, one end of each prestressed anchor cable is fixed with the protective pile, and the other end of each prestressed anchor cable is fixed with the ground or a mountain.
Furthermore, the other end of the prestressed anchor cable is fixed on the ground or a mountain body through a ground beam;
the ground beam comprises two ground beam side plates arranged in parallel and a ground beam connecting plate located between the two ground beam side plates, the ground beam connecting plate is connected with the two ground beam side plates, the area between the two ground beam side plates is divided into an upper anchoring area and a lower anchoring area, a plurality of fixed columns extend into the ground beam connecting plate to the lower anchoring area, a plurality of inclined plates corresponding to the quantity and the positions of the fixed columns extend into the upper anchoring area, and the inclined plates are fixed with one end of the prestressed anchor cable.
Furthermore, the ground beam also comprises a first anchor cable hole, a second anchor cable hole and a ground beam anchor cable, wherein the first anchor cable hole and the second anchor cable hole are arranged in parallel;
the first anchor cable hole is formed in one end, far away from the ground beam connecting plate, of the inclined plate, a first base plate coaxial with the first anchor cable hole is arranged on one side, far away from the protective pile, of the inclined plate, and the pre-stressed anchor cable penetrates through the first anchor cable hole and the first base plate and is fixed on the inclined plate;
the second anchor cable hole is positioned at one end, close to the ground beam connecting plate, of the inclined plate and penetrates through the ground beam connecting plate, and a second base plate coaxial with the second anchor cable hole is arranged on one side, close to the protective pile, of the inclined plate;
the ground beam anchor cable comprises a first anchor cable section and a second anchor cable section, the first anchor cable section penetrates through the second base plate and the second anchor cable hole to be fixed on the ground beam, and the second anchor cable section penetrates through the ground or the mountain body to be fixed in the ground or the mountain body.
Furthermore, the distance between the positions where the adjacent prestressed anchor cables in the same group are fixed on the protective piles is 1-3 m.
Furthermore, the protective pile comprises a cantilever section positioned on the ground and an embedded section positioned under the ground, and the length ratio of the cantilever section to the embedded section is 7/4-2.
Furthermore, the fixed plates are vertically fixed on the slope surface of the mountain, and the projection parts of the adjacent fixed plates in the same group on the protection piles are overlapped.
Furthermore, a plurality of first anchor holes for fixing horizontal stop lines are formed in the center line of the fixing plate in the vertical direction, the fixing plate comprises two half plates which are in mirror symmetry in the vertical direction, a second anchor hole is formed in the middle of each half plate, and the second anchor holes are fixed with the mountain through reverse prestressed anchor cables.
Furthermore, the vertical blocking line is fixed with the horizontal blocking line through a cross fastener and an end fastener, and two ends of the vertical blocking line are fixed through the end fasteners;
the cross fastener comprises a cross bottom plate and cross cover plates respectively fixed with two sides of the cross bottom plate, first grooves perpendicular to each other are arranged on two sides of the cross bottom plate, second grooves are arranged on the two cross cover plates, and the first grooves on two sides of the cross bottom plate and the second grooves on the two cross cover plates are respectively enclosed to form a channel for accommodating a horizontal blocking line and a vertical blocking line;
the tip fastener includes first fastener and with first fastener articulated second fastener, first fastener is fixed to be constituteed by two mirror symmetry's buckle, the buckle middle part is equipped with the depressed part that holds the level stop line, the second fastener includes the overcoat that is equipped with a plurality of wedge cards with first fastener articulated connection fork ear and inside, overcoat one end and connection fork ear threaded connection, other end opening passes through vertical stop line, the wedge card is located between vertical stop line and the overcoat, and be used for rotating the overcoat and move to connecting the fork ear, so that the vertical stop line of wedge card extrusion.
Furthermore, the cross-sectional area of the horizontal barrier line positioned at the top and the bottom is 7-9 times that of the cross-sectional area of the horizontal barrier line positioned between the top and the bottom.
The utility model provides a pair of flexible blocking net protective structure includes following beneficial effect at least:
(1) The protective structure formed by mutually matching the protective piles, the fixed assemblies and the protective net can be applied to the protection engineering of large geological disasters such as highways, railways, mines, municipal administration and the like, and the protective energy level of the traditional flexible blocking net can be broken through. And the cooperation effect of protection network and fixed subassembly can reach the protection network and receive the effect of easily maintaining after the rock fall that collapses strikes.
(2) The protective pile is further fixed with the ground or a mountain through the prestressed anchor cable, the structural strength of the flexible blocking net protective structure is improved, and therefore the impact load born by the flexible blocking net protective structure is improved.
(3) The structure that the prestressed anchor cable and the ground or the mountain body are fixed is improved, so that the better shearing force transmission effect of the arranged ground beam is realized, part of the shearing force transmitted in the inclined plate is distributed to the side plate of the ground beam, the shearing force applied to the inclined plate is reduced, and the risk of cracking of the ground beam is reduced.
Drawings
Fig. 1 is a schematic structural view of a protective structure of a flexible blocking net provided by the present invention;
fig. 2 is a side view of a protective structure according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a ground beam according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a ground beam according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a cross fastener according to an embodiment of the present invention;
fig. 6 is a side view of a cross fastener according to an embodiment of the present invention;
fig. 7 is a cross-sectional view of an end fastener according to an embodiment of the present invention;
fig. 8 is a schematic structural view of an end fastener according to an embodiment of the present invention.
Description of reference numerals: 1-fender pile, 2-fixing component, 21-fixing plate, 22-reverse prestressed anchor cable, 3-protective net, 31-horizontal barrier line, 32-vertical barrier line, 4-prestressed anchor cable, 5-ground beam, 51-ground beam side plate, 52-ground beam connecting plate, 53-fixing column, 54-inclined plate, 55-first anchor cable hole, 56-second anchor cable hole, 6-cross fastener, 61-cross bottom plate, 62-cross cover plate, 7-end fastener, 71-first fastener, 72-second fastener, 711-buckle plate, 712-recess, 721-connecting fork lug, 722-coat and 723-wedge-shaped clamping piece.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Referring to fig. 1 and 2, an embodiment of the present invention provides a flexible blocking net protection structure, including:
at least two protection piles 1, wherein all the protection piles 1 are vertically positioned between two mountain slopes and positioned in the same protection plane;
the fixing component 2 is positioned in the protection plane and comprises two groups of fixing plates 21 which are respectively arranged on the two mountain slopes;
the protection network 3, it plays the effect of blocking, and the height of protection network 3 is more than or equal to 6m and is located the protection plane, including vertically and horizontally staggered fixed many horizontal stop lines 31 and many vertical stop lines 32, all fender pile 1 are all passed to each horizontal stop line 31 to both ends can be dismantled fixedly with two sets of fixed plates 21 respectively, and every fixed plate 21 is a horizontal stop line 31 of fixed at least, and vertical stop line 32 both ends are fixed with horizontal stop line 31.
Through set up the protective structure that fender pile 1, fixed subassembly 2 and protection network 3 mutually supported formation in the protection plane, can protect the mountain body that high-order collapse rock fall frequently takes place, have higher protection energy level, can directly be applied to in the protection engineering of large-scale geological disasters such as highway, railway, mine, municipal administration. And the cooperation effect of protection network 3 and fixed subassembly 2 can be when the protection network 3 appears damaging, through dismantling and changing horizontal stop line 31 and/or vertical stop line 32 to reach the effect that the protection network 3 is easily maintained after receiving the impact of collapsing the rockfall. The height of the protective net 3 is larger than or equal to 6m, the yield elongation of the material of the protective net 3 is larger than or equal to 0.2%, and the fracture elongation is larger than or equal to 20%, so that the impact resistance energy of the traditional passive protective net 3 can be broken through, the flexible blocking net protective structure can be suitable for protection of high-energy impact, the overall protection height is 3-5 times that of a common passive protective net, and the protection effect on a mountain is greatly improved.
In an actual application scenario, the flexible blocking net protection structure is provided with the protection piles 1 between the mountain slopes at positions to be protected, the fixing assemblies 2 are arranged on the mountain slopes on two sides, and then the horizontal blocking lines 31 and the vertical blocking lines 32 are fixed.
The arrangement of the protective pile 1 mainly calculates the impact force on the position to be protected, and selects proper reinforcing bars to complete pouring forming, so that the formed protective pile 1 has enough stability to resist bending deformation. Preferably, adopt phi 32mm reinforcing bar, the long limit scope of fender pile 1 unilateral arranges 100 vertical main muscle altogether, and the vertical main muscle of 10 at least is arranged to the minor face, and for example, 108 vertical main muscle can be arranged to the long limit scope of 1 unilateral of fender pile, and 12 vertical main muscle are arranged to the minor face. Further, in order to enable the protection pile 1 to have a high impact resistance effect, the protection pile 1 can be divided into a cantilever section located on the ground and an embedded section located under the ground, and the length ratio of the cantilever section to the embedded section is set to be 7/4-2.
In addition, in order to further improve the impact resistance effect of the protection pile 1, that is, to improve the protection energy level of the flexible blocking net protection structure, the structure of the protection pile 1 may be further enhanced. For example, multiple groups of prestressed anchor cables 4 corresponding to the number and positions of the guard piles 1 may be arranged on one side (i.e., the side where the rockfall exists) of the flexible blocking net protective structure bearing load, each group of prestressed anchor cables 4 is located in the same plane and perpendicular to the guard plane, one end of each prestressed anchor cable 4 is fixed to one guard pile 1, and the other end is fixed to the ground or the mountain. That is, when the protective net 3 bears the rockfall load, the prestressed anchor cables 4 provide tension opposite to the rockfall load direction for the protective pile 1, so that the stability of the protective pile 1 and the capability of resisting bending deformation are improved. In an actual application scenario, because the distribution conditions of the shearing force and the bending moment received by the fender pile 1 at different heights are different, the fixing positions of the prestressed anchor cables 4 and the fender pile 1 need to be related, for example, the ratio of the distance between the positions where the adjacent prestressed anchor cables 4 in the same group are fixed to the fender pile 1 to the length of the cantilever of the fender pile 1 above the ground is 1 to 28-1.
Referring to fig. 3 and 4, in the present embodiment, when the fender pile 1 is structurally reinforced by the prestressed anchor cable 4, the other end of the prestressed anchor cable 4 may be fixed to the ground or a mountain through the ground beam 5. The structure of the ground beam 5 can be selected to be suitable according to the protection energy level of the flexible blocking net protection structure. In a practical application scenario, the ground beam 5 may include two ground beam side plates 51 arranged in parallel and a ground beam connecting plate 52 located between the two ground beam side plates 51, the ground beam connecting plate 52 connects the two ground beam side plates 51 and divides an area between the two ground beam side plates 51 into an upper anchoring area and a lower anchoring area, the ground beam connecting plate 52 extends a plurality of fixing posts 53 into the lower anchoring area, a plurality of inclined plates 54 corresponding to the fixing posts 53 in number and position extend into the upper anchoring area, an angle between the inclined plates 54 and the ground beam connecting plate 52 is 45 °, the inclined plates 54 are fixed to one end of the prestressed anchor cable 4, wherein the fixing posts 53 and the inclined plates 54 are both connected to the two ground beam side plates 51. The prestressed anchor cable 4 is fixed by the ground beam 5 arranged on the ground or in the mountain, so that tensile force in the direction can be provided to the prestressed anchor cable 4 when the protective net 3 is subjected to a solid load. And through the ground beam side plate 51, the ground beam 5 has better shearing force transfer function, and the shearing force transferred in the inclined plate 54 can be partially distributed to the ground beam side plate 51, so that the shearing force borne by the inclined plate 54 is reduced, and the risk of cracking of the ground beam 5 is reduced. Wherein, the fixing effect of the ground beam 5 and the ground or the mountain can be improved by arranging the fixing column 53.
The ground beam 5 may be further designed to improve the fixing strength between the ground beam 5 and the ground or the mountain, and between the ground beam 5 and the prestressed anchor cable 4. For example, the ground beam 5 may further include a first anchor line hole 55, a second anchor line hole 56, and a ground beam 5 anchor line, the first anchor line hole 55 and the second anchor line hole 56 being arranged in parallel with each other; the first anchor cable hole 55 is positioned at one end of the inclined plate 54 far away from the ground beam connecting plate 52, a first base plate coaxial with the first anchor cable hole 55 is arranged at one side of the inclined plate far away from the fender pile 1, and the prestressed anchor cable 4 penetrates through the first anchor cable hole 55 and the first base plate and is fixed on the inclined plate 54; the second anchor cable hole 56 is positioned at one end, close to the ground beam connecting plate 52, of the inclined plate 54 and penetrates through the ground beam connecting plate 52, and a second cushion plate coaxial with the second anchor cable hole 56 is arranged at one side, close to the fender pile 1, of the inclined plate; the anchor cable of the ground beam 5 comprises a first anchor cable section and a second anchor cable section, the first anchor cable section passes through the second base plate and the second anchor cable hole 56 to be fixed on the ground beam 5, and the second anchor cable section is fixed on the ground or in a mountain body in a penetrating mode. The first anchor cable hole 55 for fixing the prestressed anchor cable 4 is formed in the inclined plate 54 on the side far away from the ground beam connecting plate 52, so that the connecting effect of the ground beam 5 and the prestressed anchor cable 4 can be improved, and the acting force applied to the inclined plate 54 by the prestressed anchor cable 4 can be uniformly distributed through the arrangement of the first base plate, so that the condition that the inclined plate 54 is damaged due to stress concentration is avoided. In addition, in the embodiment, the ground beam 5 and the ground or the mountain are further fixed through the anchor cable of the ground beam 5, so that the strength of the ground beam 5 fixed on the ground or the mountain is improved, and the flexible blocking net protection structure is further guaranteed to have higher protection energy level.
When this embodiment is setting up fixed subassembly 2 on the hillside surface, in order to improve the fixed effect of fixed subassembly 2 to the fixed effect of drawing of horizontal stop line 31 to and accomplish the fixed to all horizontal stop lines 31, can be with fixed plate 21 vertical fixed in the hillside surface, the projection part coincidence of adjacent fixed plate 21 on fender pile 1 in the same group. That is, the force of the horizontal barrier lines 31 acting on the fixing plate 21 is perpendicular to the force, and the horizontal barrier lines 31 at any height can be fixed to the fixing plate 21 by setting the interval in the height direction to 0, thereby completing the fixing of all the horizontal barrier lines 31. In addition, when the fixing plate 21 is vertically fixed on a mountain slope, in order to improve the fixing effect of the fixing plate 21 and the mountain slope, and the fixing effect of the fixing plate 21 and the horizontal blocking line 31, the structure of the fixing plate 21 may be set, for example, a plurality of first anchor holes for fixing the horizontal blocking line 31 are provided on the center line of the fixing plate 21 in the vertical direction, the fixing plate 21 includes two half plates in mirror symmetry in the vertical direction, a second anchor hole is provided in the middle of the half plates, the second anchor hole is fixed with the mountain through a reverse prestressed anchor cable 22, and through the plurality of first anchor holes, a plurality of horizontal blocking lines 31 may be fixed on one fixing plate 21.
In the process of installing the protection net 3, the vertical blocking line 32 can be fixed with the horizontal blocking line 31 through the cross fastener 6 and the end fastener 7, wherein two ends of the vertical blocking line 32 are fixed through the end fastener 7, and other parts are fixed through the cross fastener 6, namely, the cross part of the vertical blocking line 32 and the horizontal blocking line 31 is fixed through the cross fastener 6. Specifically, referring to fig. 5 and 6, the cross fastener 6 may include a cross base plate 61 and cross cover plates 62 fixed to two sides of the cross base plate 61, wherein two sides of the cross base plate 61 are provided with first grooves perpendicular to each other, two cross cover plates 62 are provided with second grooves, and the first grooves on two sides of the cross base plate 61 and the second grooves on two cross cover plates 62 enclose a channel for accommodating the horizontal stop line 31 and the vertical stop line 32. The crossed horizontal stop lines 31 and the crossed vertical stop lines 32 can be supported and separated through the crossed bottom plate 61, the situation that the horizontal stop lines 31 and/or the vertical stop lines 32 are broken due to friction in the protection process of the horizontal stop lines 31 and the vertical stop lines 32 which are in direct contact can be avoided, and the service lives of the horizontal stop lines 31 and the vertical stop lines 32 are prolonged. And horizontal stop line 31 and vertical stop line 32 separate the back again, can fix horizontal stop line 31 and vertical stop line 32 through the cross apron 62 of complex to carry out vertical location to crossing fastener 6 through the effect of horizontal stop line 31, carry out horizontal location to crossing fastener 6 through vertical stop line 32, and then accomplish the fixed connection to vertical stop line 32 and the crisscross position of horizontal stop line 31 jointly.
Referring to fig. 7 and 8, the end fastener 7 may include a first fastener 71 and a second fastener 72 hinged to the first fastener 71, the first fastener 71 is formed by fixing two fastening plates 711 which are mirror-symmetrical, a recess 712 for accommodating the horizontal stop line 31 is formed in the middle of the fastening plates 711, the second fastener 72 includes a connecting fork 721 hinged to the first fastener 71 and an outer sleeve 722 having a plurality of wedge-shaped snap pieces inside, one end of the outer sleeve 722 is in threaded connection with the connecting fork 721, the other end of the outer sleeve is open to pass through the vertical stop line 32, the wedge-shaped snap piece 723 is located between the vertical stop line 32 and the outer sleeve 722, and is configured to rotate the outer sleeve 722 to move toward the connecting fork 721, so that the wedge-shaped snap piece 723 presses the vertical stop line 32. The horizontal blocking line 31 at the top and the bottom (i.e. the highest and the lowest height) can be fixed through the first fastener 71, and in the actual fixing process, the horizontal baffle is placed in the concave part 712 at the middle part of the buckle 711 by separating the two buckle plates 711, and then the two buckle plates 711 are fixed, so that the fixing of the horizontal blocking line 31 can be completed. The end of the vertical wire 32 is fixed by the second fastener 72, and in the actual fixing process, the end of the vertical wire 32 passes through the outer sleeve 722 and the wedge-shaped clamping piece 723 is arranged around the vertical wire 32, and then the outer sleeve 722 is rotated to move the outer sleeve 722 to the connecting fork ear 721 through the thread structures of the outer sleeve 722 and the connecting fork ear 721, so that the wedge-shaped clamping piece 723 is pressed to move to the vertical wire 32, and the clamping and fixing of the vertical wire 32 are completed. After the fixing of the horizontal blocking lines 31 and the vertical blocking lines 32 is respectively completed through the first fasteners 71 and the second fasteners 72, because the first fasteners 71 and the second fasteners 72 are in a hinged connection mode, the protective net 3 can be enabled to have certain rotation fine adjustment in the protection process, and the damage of the connection structures (end fasteners 7) of the horizontal blocking lines 31 and the vertical blocking lines 32 caused by the fact that the horizontal blocking lines 31 and the vertical blocking lines 32 are directly fixed due to the fact that the horizontal blocking lines 31 and the vertical blocking lines 32 bear the load of falling rocks is avoided.
In addition, in the case where both ends of the vertical barrier wire 32 are fixed to the horizontal barrier wire 31, since the force applied to the horizontal barrier wire 31 by both ends of the vertical barrier wire 32 is greater than that applied to other portions, the structural strength of the protection net 3 is increased by increasing the strength of the horizontal barrier wires 31 at the top and bottom. In practical application scenarios, the cross-sectional area of the horizontal barrier line between the top and the bottom is 7 to 9 times the cross-sectional area of the horizontal barrier line 31 between the top and the bottom. That is, the horizontal barrier lines 31 having the highest and lowest heights may be provided in plural numbers, and the structural strength of the horizontal barrier lines 31 may be higher than that of the horizontal barrier lines 31 at other positions.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a flexible fender net protective structure which characterized in that includes:
at least two protection piles, wherein all the protection piles are vertically positioned between the two mountain slopes and positioned in the same protection plane;
the fixing assembly is positioned in the protection plane and comprises two groups of fixing plates which are respectively arranged on the two mountain slope surfaces;
the protection network, it is located the protection plane, including many horizontal stop lines and many vertical stop lines that vertically and horizontally staggered is fixed, all fender piles are all passed to each horizontal stop line to both ends can be dismantled fixedly with two sets of fixed plates respectively, and a horizontal stop line is fixed at least to every fixed plate.
2. The flexible fence protection structure of claim 1, wherein a load-bearing side of the flexible fence protection structure is provided with a plurality of groups of pre-stressed anchor cables corresponding to the number and positions of the guard piles, each group of pre-stressed anchor cables is positioned in the same plane and perpendicular to the guard plane, one end of each pre-stressed anchor cable is fixed with the guard pile, and the other end of each pre-stressed anchor cable is fixed with the ground or a mountain.
3. The flexible barrier net protection structure as claimed in claim 2, wherein the other end of the pre-stressed anchor cable is fixed to the ground or a mountain through a ground beam;
the ground beam comprises two ground beam side plates arranged in parallel and a ground beam connecting plate located between the two ground beam side plates, the ground beam connecting plate is connected with the two ground beam side plates, the area between the two ground beam side plates is divided into an upper anchoring area and a lower anchoring area, a plurality of fixed columns extend into the ground beam connecting plate to the lower anchoring area, a plurality of inclined plates corresponding to the quantity and the positions of the fixed columns extend into the upper anchoring area, and the inclined plates are fixed with one end of the prestressed anchor cable.
4. The flexible barrier net guard structure as claimed in claim 3, wherein the ground beam further comprises a first anchor cable hole, a second anchor cable hole and a ground beam anchor cable, the first anchor cable hole and the second anchor cable hole being arranged in parallel with each other;
the first anchor cable hole is formed in one end, far away from the ground beam connecting plate, of the inclined plate, a first base plate coaxial with the first anchor cable hole is arranged on one side, far away from the protective pile, of the inclined plate, and the pre-stressed anchor cable penetrates through the first anchor cable hole and the first base plate and is fixed on the inclined plate;
the second anchor cable hole is positioned at one end, close to the ground beam connecting plate, of the inclined plate and penetrates through the ground beam connecting plate, and a second base plate coaxial with the second anchor cable hole is arranged on one side, close to the protective pile, of the inclined plate;
the ground beam anchor cable comprises a first anchor cable section and a second anchor cable section, the first anchor cable section penetrates through the second base plate and the second anchor cable hole to be fixed on the ground beam, and the second anchor cable section penetrates through the ground or the mountain body to be fixed in the ground or the mountain body.
5. The flexible fence net guard structure of claim 2, wherein the distance between the positions where the neighboring prestressed anchorage cables in the same group are fixed to the guard piles is 1 to 3m.
6. The flexible fence guard structure of claim 1 wherein the fender pile comprises a cantilevered section above ground and an embedded section below ground, the ratio of the length of the cantilevered section to the length of the embedded section being 7/4 to 2.
7. The flexible barrier net guard structure according to claim 1, wherein the fixing plates are vertically fixed on the slope of the mountain, and the projection parts of the adjacent fixing plates in the same group on the guard piles coincide.
8. The structure of claim 1, wherein the fixing plate has a plurality of first anchoring holes for fixing the horizontal blocking lines on a center line in a vertical direction, the fixing plate includes two half plates which are mirror-symmetrical in the vertical direction, and a second anchoring hole is formed in a middle portion of the half plates and fixed to the mountain by means of a reverse pre-stressed anchoring cable.
9. The flexible barrier net guard structure as claimed in claim 1, wherein the vertical barrier line is fixed to the horizontal barrier line by cross fasteners and end fasteners, and both ends of the vertical barrier line are fixed by end fasteners;
the cross fastener comprises a cross bottom plate and cross cover plates respectively fixed with two sides of the cross bottom plate, first grooves perpendicular to each other are arranged on two sides of the cross bottom plate, second grooves are arranged on the two cross cover plates, and the first grooves on two sides of the cross bottom plate and the second grooves on the two cross cover plates are respectively enclosed to form a channel for accommodating a horizontal blocking line and a vertical blocking line;
the end fastener comprises a first fastener and a second fastener hinged to the first fastener, the first fastener is formed by fixing two mirror-image symmetrical buckles, a concave portion for accommodating a horizontal stop line is arranged in the middle of each buckle, the second fastener comprises a connecting fork lug hinged to the first fastener and an outer sleeve with a plurality of wedge-shaped clamping pieces inside, one end of the outer sleeve is in threaded connection with the connecting fork lug, the other end of the outer sleeve is provided with an opening through a vertical stop line, and the wedge-shaped clamping pieces are located between the vertical stop line and the outer sleeve.
10. The flexible barrier net guard structure of claim 1, wherein the horizontal barrier line cross-sectional area at the top and bottom is 7 to 9 times the horizontal barrier line cross-sectional area between the top and bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222993934.2U CN218713149U (en) | 2022-11-10 | 2022-11-10 | Flexible blocking net protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222993934.2U CN218713149U (en) | 2022-11-10 | 2022-11-10 | Flexible blocking net protection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218713149U true CN218713149U (en) | 2023-03-24 |
Family
ID=85613025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222993934.2U Active CN218713149U (en) | 2022-11-10 | 2022-11-10 | Flexible blocking net protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218713149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11982060B1 (en) * | 2022-11-10 | 2024-05-14 | Railway Construction Research Institute, China Academy of Railway Science Group Co., Ltd. | Barrier structure for bearing high-energy impact and construction method thereof |
-
2022
- 2022-11-10 CN CN202222993934.2U patent/CN218713149U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11982060B1 (en) * | 2022-11-10 | 2024-05-14 | Railway Construction Research Institute, China Academy of Railway Science Group Co., Ltd. | Barrier structure for bearing high-energy impact and construction method thereof |
| US20240167235A1 (en) * | 2022-11-10 | 2024-05-23 | Railway Construction Research Institute, China Academy of Railway Science Group Co., Ltd. | Barrier structure for bearing high-energy impact and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4655434A (en) | Energy absorbing guardrail terminal | |
| CN218713149U (en) | Flexible blocking net protection structure | |
| CN110578294B (en) | Semi-rigid bridge anti-collision guardrail | |
| AU2020101111A4 (en) | Cantilever truss supported resilient flexible protective shed tunnel | |
| US20080296546A1 (en) | Cable for use in safety barrier | |
| CN113026621A (en) | Road vehicle restraint device | |
| CN211142857U (en) | Stake woods formula mud-rock flow structure of blocking | |
| CN210482095U (en) | High-order dangerous rock system of blocking of operation railway abrupt slope cutting | |
| CN217460346U (en) | Passive protective net | |
| CN214939446U (en) | Road side slope multi-stage protection system | |
| JP2010168833A (en) | Protective fence against rockfall or the like | |
| CN202705887U (en) | Combined type pre-stressed concrete anti-shock check block | |
| JP3668965B2 (en) | Protective net and fence | |
| CN115450234B (en) | Blocking protection structure suitable for high-energy impact and construction method thereof | |
| CA2681429C (en) | Perimeter security barriers | |
| CN216515302U (en) | Central dividing strip guardrail | |
| CN210031565U (en) | Shed roof component and shed tunnel structure for preventing secondary impact of rockfall | |
| CN209798614U (en) | buffer device for expressway protective fence | |
| CN206448201U (en) | A kind of light flexible roll guard | |
| US10030342B2 (en) | Impact-absorbing levee-shaped structure | |
| CN112982157B (en) | Urban bridge guardrail for preventing vehicles from falling into river | |
| CN216948008U (en) | Guardrail device for roadside safety clean area | |
| CN215369124U (en) | High-strength protective fence | |
| CN220492898U (en) | A flexible photovoltaic board bearing structure for highway side slope | |
| CN110714418A (en) | Energy-consuming shed tunnel capable of generating plastic deformation and maintenance method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |