CN219731727U - Cladding type interception net - Google Patents

Cladding type interception net Download PDF

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Publication number
CN219731727U
CN219731727U CN202321099569.9U CN202321099569U CN219731727U CN 219731727 U CN219731727 U CN 219731727U CN 202321099569 U CN202321099569 U CN 202321099569U CN 219731727 U CN219731727 U CN 219731727U
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China
Prior art keywords
rope
pull
anchor
net
steel
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CN202321099569.9U
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Chinese (zh)
Inventor
李强
赵楚
杨子良
高川
瞿燕林
杨彦章
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Yunnan Second Geological Engineering Survey Institute Co ltd
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Yunnan Second Geological Engineering Survey Institute Co ltd
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Abstract

The utility model discloses a cladding type interception net, which relates to the technical field of falling stone interception nets, and comprises an active guiding cladding system and a falling stone passive interception system, wherein the active guiding cladding system comprises a steel wire rope, a first annular net is arranged at the upper end of the steel wire rope, a twisted pair hexagonal net is arranged at the upper end of the first annular net, the steel wire rope comprises a transverse pull rope and a longitudinal pull rope, and steel rope anchor rods are arranged at the two ends of the transverse pull rope and the longitudinal pull rope; the cladding type interception net effectively avoids a plurality of defects of the traditional active and passive protection systems that are mutually separated and the prevention and control effect is not ideal through the arrangement of the active guiding cladding system and the falling stone passive interception system; the falling stone movement track on the slope surface of the scarp can be effectively controlled through the active guiding cladding system, the bouncing height is controlled, and the kinetic energy is reduced, so that the passive interception system can exert the maximum efficiency, and the service life is prolonged.

Description

Cladding type interception net
Technical Field
The utility model relates to the technical field of falling stone interception nets, in particular to a coated interception net.
Background
In the past, collapse dangerous rock geological disasters seriously endanger the life and property safety of people. According to incomplete statistics, the direct economic loss caused by collapse and rock collapse in mountain areas is hundreds of millions, and the economic loss is a significant loss for lives and properties of human beings;
the sudden nature of the collapse dangerous rock disaster is strong, the duration is short, the treatment difficulty is extremely high, and the traditional collapse dangerous rock disaster prevention measures mainly comprise the removal of collapse (dangerous rock) bodies, active protection measures (active protection nets) of the collapse bodies and passive protection measures (passive protection nets, stone blocking walls and the like); the existing active and passive protective nets still have certain defects for high and steep collapse dangerous rock, especially the protective effect for a large block stone active net positioned on a scarp is poor, and once collapse stones are generated, the random motion trail of the collapse stones is large, and the passive net cannot effectively intercept, so that the utility model provides a coated interception net.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a coated interception net, which solves the problems in the background art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the cladding type interception net comprises an active guiding cladding system and a falling stone passive interception system;
the active guiding cladding system comprises a steel wire rope, a first annular net is arranged at the upper end of the steel wire rope, a twisted pair hexagonal net is arranged at the upper end of the first annular net, the steel wire rope comprises a transverse pull rope and a longitudinal pull rope, and steel wire rope anchor rods are arranged at two ends of the transverse pull rope and the longitudinal pull rope;
the falling stone passive interception system comprises a second annular net, a foundation pier, a pull-up anchor pier, a pull-down anchor pier and a reinforcing pull-up anchor pier, wherein a steel column is arranged on one side of the second annular net, a base is arranged at the bottom of the steel column, a foundation falling anchor rod is arranged at the joint of the foundation pier and the base, a pull-up anchor rope is arranged at the joint of the steel column and the pull-up anchor pier, a pull-down anchor rope is arranged at the joint of the steel column and the pull-down anchor pier, and a middle reinforcing pull-up anchor rope is arranged at the joint of the steel column and the reinforcing pull-up anchor pier.
As a further technical scheme of the utility model, the number of the steel rope anchor rods is a plurality of groups and the steel rope anchor rods are distributed in an array, the steel rope anchor rods are inserted into the mountain, and the distance between the steel rope and the mountain is 1 meter.
As a further technical scheme of the utility model, a plurality of groups of screw-thread steel anchor rods are arranged in the middle of the transverse stay rope, the steel wire strength of the steel wire rope and the steel wire strength of the first annular net are more than or equal to 1770MPa, and the steel wire strength of the steel wire rope anchor rods is more than or equal to 1570MPa.
As a further technical scheme of the utility model, the bursting strength of the first annular net and the bursting strength of the second annular net are both more than or equal to 330kN, the tensile strength of the first annular net and the bursting strength of the second annular net are both more than or equal to 105kN/m, the bursting strength of the twisted pair hexagonal net is more than or equal to 20kN, the tensile strength of the twisted pair hexagonal net is more than or equal to 8kN/m, and the pulling resistance of the steel rope anchor rod is more than or equal to 265kN.
As a further technical scheme of the utility model, suture ropes are arranged between the second annular net and the steel columns, the steel columns are of an I-shaped structure, an upper supporting rope and a lower supporting rope are respectively arranged at the upper end and the lower end of the steel columns, the upper supporting rope and the lower supporting rope are of a double-layer structure, rope clamps are arranged outside the upper supporting rope and the lower supporting rope, and the number of the steel columns is a plurality of groups and distributed in an array.
As a further technical scheme of the utility model, the second annular net is fixedly connected with the foundation pier through the base and the foundation drop anchor rod, the second annular net is connected with the pull-up anchor pier through the pull-up anchor ropes, the number of the pull-up anchor ropes is equal to that of the pull-down anchor ropes, and the middle part of the pull-up anchor ropes is provided with a decompression ring.
The utility model provides a coated interception net. Compared with the prior art, the method has the following beneficial effects: the active guiding cladding system and the falling rock passive interception system are arranged in a dangerous rock distribution area of steep collapse, and for high-steep collapse dangerous stones, the active guiding cladding system supports an open guiding system with an opening at the lower part, and the falling rock Dan Shunpo is guided to roll down on the slope toe; the falling stone passive interception system with a certain distance is arranged below the slope toe and is used for intercepting and collecting the falling stone at the upper part, and compared with the existing technical measures for treating collapse, the coated interception net system effectively avoids the defects that the traditional active and passive protection systems are mutually separated and the prevention and control effect is not ideal; especially, the protection effect of the active net for the large stone located on the scarp is poor, once the collapse stone is generated, the motion trail randomness is large, and the passive net cannot effectively intercept;
the falling stone movement track on the slope surface of the scarp can be effectively controlled through the active guiding cladding system, the bouncing height is controlled, and the kinetic energy is reduced, so that the passive interception system can exert the maximum efficiency, and the service life is prolonged.
Drawings
FIG. 1 is a schematic view of the structure of a coated interception net;
fig. 2 is a partial side cross-sectional view of a coated interception net and mountain.
In the figure: 1. actively guiding the cladding system; 101. a wire rope; 102. a first endless network; 103. twisted hexagonal net; 104. a steel rope anchor rod; 2. a falling stone passive interception system; 201. a second endless wire; 202. a steel column; 203. a foot pier; 204. a base; 205. a ground anchor rod falls into the ground; 206. pulling up the anchor rope; 207. a pressure reducing ring; 208. pulling up the anchor pier; 209. pulling down the anchor line; 2010. pulling down the anchor pier; 2011. an anchor rope is reinforced in the middle; 2012. and reinforcing the anchor pier.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the present utility model provides a coated interception net technical scheme: the cladding type interception net comprises an active guiding cladding system 1 and a falling stone passive interception system 2, wherein the active guiding cladding system 1 comprises a steel wire rope 101, a first annular net 102 is arranged at the upper end of the steel wire rope 101, a twisted pair hexagonal net 103 is arranged at the upper end of the first annular net 102, the steel wire rope 101 comprises a transverse pull rope and a longitudinal pull rope, and steel wire rope anchor rods 104 are arranged at two ends of the transverse pull rope and the longitudinal pull rope;
the falling stone passive interception system 2 comprises a second annular net 201, a foundation pier 203, a pull-up anchor pier 208, a pull-down anchor pier 2010 and a reinforcing pull anchor pier 2012, wherein a steel column 202 is arranged on one side of the second annular net 201, a base 204 is arranged at the bottom of the steel column 202, a foundation falling anchor rod 205 is arranged at the joint of the foundation pier 203 and the base 204, a pull-up anchor rope 206 is arranged at the joint of the steel column 202 and the pull-up anchor pier 208, a pull-down anchor rope 209 is arranged at the joint of the steel column 202 and the pull-down anchor pier 2010, and a middle reinforcing pull anchor rope 2011 is arranged at the joint of the steel column 202 and the reinforcing pull anchor pier 2012.
Referring to fig. 1-2, the number of the steel rope anchors 104 is several groups and distributed in an array, the steel rope anchors 104 are inserted into the mountain, and the distance between the steel rope 101 and the mountain is 1 meter, so as to be beneficial to guiding the falling Dan Shunpo to roll down on the slope toe.
Referring to fig. 1-2, several groups of screw-thread steel anchor rods are installed in the middle of the transverse pull rope, the steel wire strength of the steel wire rope 101 and the first annular net 102 is equal to or more than 1770Mpa, the steel wire strength of the steel wire rope anchor rod 104 is equal to or more than 1570Mpa, the bursting strength of the first annular net 102 and the second annular net 201 is equal to or more than 330kN, the tensile strength is equal to or more than 105kN/m, the bursting strength of the twisted pair hexagonal net 103 is equal to or more than 20kN, the tensile strength is equal to or more than 8kN/m, and the pulling resistance of the steel wire rope anchor rod 104 is equal to or more than 265kN.
Referring to fig. 1-2, suture ropes are arranged between a second annular net 201 and a steel column 202, the steel column 202 is of an i-shaped structure, an upper supporting rope and a lower supporting rope are respectively arranged at the upper end and the lower end of the steel column 202, the upper supporting rope and the lower supporting rope are of a double-layer structure, rope clamps are arranged outside the upper supporting rope and the lower supporting rope, the number of the steel columns 202 is a plurality of groups and distributed in an array, the second annular net 201 and a foundation pier 203 are fixedly connected through a base 204 and foundation anchor rods 205, the second annular net 201 and a pull-up anchor pier 208 are connected through a pull-up anchor rope 206, the number of the pull-up anchor rope 206 and the number of the pull-down anchor rope 209 are equal, a decompression ring 207 is arranged in the middle of the pull-up anchor rope 206, and stones falling at the upper position can be intercepted and collected after installation is completed.
The working principle of the utility model is as follows: the method comprises the steps of arranging an active guiding cladding system 1 and a falling stone passive interception system 2 in a dangerous rock collapse distribution area of a steep slope, fixing the active guiding cladding system 1 and the falling stone passive interception system 2 in the dangerous rock collapse distribution area of the steep slope through steel rope anchor rods 104, supporting steel ropes 101, a first annular net 102 and a double-twisted hexagonal net 103, connecting a second annular net 201 with a steel column 202 through suture ropes, fixing a foundation pier 203 with a base 204 through foundation falling anchor rods 205, fixing a pull-up anchor pier 208 with the second annular net 201 through pull-up anchor ropes 206, and fixing a pull-down anchor pier 2010 with the second annular net 201 through pull-down anchor ropes 209, so that the active guiding cladding system 1 supports an open guiding system with an opening below, and guides a falling stone Dan Shunpo to roll down on a slope foot; the falling rocks and falling rocks with a certain distance of 5-10m below the slope feet are used for intercepting and collecting falling rocks at the upper part, and compared with the existing technical measures for treating collapse, the coated interception net system effectively avoids the defects that the traditional active and passive protection systems are mutually separated and the control effect is not ideal; especially, the protection effect of the active net for the large stone located on the scarp is poor, once the collapse stone is generated, the motion trail randomness is large, and the passive net cannot effectively intercept; the active guiding cladding system 1 can effectively control the falling stone movement track on the slope surface of the scarp, control the bouncing height and reduce the kinetic energy, so that the passive interception system can exert the maximum efficiency and prolong the service life.
It should be noted that the interception net is suitable for slopes which are stable as a whole, relatively developed in joint cracks of slope surfaces, broken in rock mass structures, unfavorable for excessive disturbance and difficult to clean, and is generally arranged at the middle upper part of the slope body and provided with a certain gentle slope at the slope foot, and can be used for falling rocks.

Claims (6)

1. The cladding type interception net is characterized by comprising an active guiding cladding system (1) and a falling stone passive interception system (2);
the active guiding cladding system (1) comprises a steel wire rope (101), a first annular net (102) is arranged at the upper end of the steel wire rope (101), a twisted pair hexagonal net (103) is arranged at the upper end of the first annular net (102), the steel wire rope (101) comprises a transverse pull rope and a longitudinal pull rope, and steel wire rope anchor rods (104) are arranged at the two ends of the transverse pull rope and the two ends of the longitudinal pull rope;
the falling stone passive interception system (2) comprises a second annular net (201), a foundation pier (203), a pull-up anchor pier (208), a pull-down anchor pier (2010) and a reinforcing pull anchor pier (2012), wherein a steel column (202) is arranged on one side of the second annular net (201), a base (204) is arranged at the bottom of the steel column (202), a foundation falling anchor rod (205) is arranged at the joint of the foundation pier (203) and the base (204), a pull-up anchor rope (206) is arranged at the joint of the steel column (202) and the pull-up anchor pier (208), a pull-down anchor rope (209) is arranged at the joint of the steel column (202) and the pull-down anchor pier (2010), and a middle reinforcing pull anchor rope (2011) is arranged at the joint of the steel column (202) and the reinforcing pull pier (2012).
2. The coated interception net according to claim 1, wherein the number of the steel rope anchors (104) is several groups and distributed in an array, the steel rope anchors (104) are inserted into the mountain, and the distance between the steel wire rope (101) and the mountain is 1 meter.
3. The coated interception net according to claim 1, wherein a plurality of groups of threaded steel anchor rods are installed in the middle of the transverse pull ropes, the steel wire strength of the steel wire ropes (101) and the steel wire strength of the first annular net (102) are larger than or equal to 1770Mpa, and the steel wire strength of the steel wire rope anchor rods (104) is larger than or equal to 1570Mpa.
4. The coated interception net according to claim 1, wherein the bursting strength of the first annular net (102) and the bursting strength of the second annular net (201) are equal to or greater than 330kN, the tensile strength of the first annular net is equal to or greater than 105kN/m, the bursting strength of the twisted pair hexagonal net (103) is equal to or greater than 20kN, the tensile strength of the twisted pair hexagonal net is equal to or greater than 8kN/m, and the pulling resistance of the steel rope anchor rods (104) is equal to or greater than 265kN.
5. The coated interception net according to claim 1, wherein suture ropes are arranged between the second annular net (201) and the steel columns (202), the steel columns (202) are of an I-shaped structure, an upper supporting rope and a lower supporting rope are respectively arranged at the upper end and the lower end of each steel column (202), the upper supporting rope and the lower supporting rope are of a double-layer structure, rope clamps are arranged outside the upper supporting rope and the lower supporting rope, and the number of the steel columns (202) is a plurality of groups and is distributed in an array.
6. The coated interception net according to claim 1, wherein a fixed connection is formed between the second annular net (201) and a foundation pier (203) through a base (204) and a foundation anchor (205), the second annular net (201) is connected with a pull-up anchor pier (208) through pull-up anchor ropes (206), the number of the pull-up anchor ropes (206) is equal to the number of pull-down anchor ropes (209), and a decompression ring (207) is installed in the middle of the pull-up anchor ropes (206).
CN202321099569.9U 2023-05-09 2023-05-09 Cladding type interception net Active CN219731727U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321099569.9U CN219731727U (en) 2023-05-09 2023-05-09 Cladding type interception net

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321099569.9U CN219731727U (en) 2023-05-09 2023-05-09 Cladding type interception net

Publications (1)

Publication Number Publication Date
CN219731727U true CN219731727U (en) 2023-09-22

Family

ID=88064633

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321099569.9U Active CN219731727U (en) 2023-05-09 2023-05-09 Cladding type interception net

Country Status (1)

Country Link
CN (1) CN219731727U (en)

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