CN210766453U - Passive side slope protection network - Google Patents
Passive side slope protection network Download PDFInfo
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- CN210766453U CN210766453U CN201921056499.2U CN201921056499U CN210766453U CN 210766453 U CN210766453 U CN 210766453U CN 201921056499 U CN201921056499 U CN 201921056499U CN 210766453 U CN210766453 U CN 210766453U
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Abstract
The utility model discloses a passive side slope protection net, which consists of an upper pull anchor rope 1, a pre-buried anchor rod 2, a steel rope net 3, a pressure reducing ring 4, a support rope 5, a steel column 6, a hinged connecting piece 7, a base B8, a base A9, a support rod 10 and a grid 11; the support rope 5 is composed of an upper support rope 51, a middle support rope 52 and a lower support rope 53, and the steel rope net 3 is composed of an upper retaining steel rope net 31 and a lower retaining steel rope net 32. The utility model discloses "interception" function with traditional passive side slope protection network, the stone that falls after simultaneously to "interception" guide gets into preset "pocket", can open "pocket" bottom, carries out the clearance of uninstalling to the stone that falls.
Description
Technical Field
The utility model discloses a passive side slope protection network belongs to engineering side slope protection technical field.
Background
The traditional side slope protective net can be divided into a passive side slope protective net and an active side slope protective net, which can be respectively seen in fig. 1 to 4.
The active side slope protective net has the main functions of fixing the levee slope or the mountain; secondly, if the falling-off condition occurs, the movable area of the stone blocks can be reduced within a certain range, so that the damage of mountains or slopes to surrounding roads, villages and tourist areas is reduced.
The active side slope protective net is generally composed of anchor rods, supporting ropes and a steel rope net, and is characterized in that part of collected load can be uniformly transmitted to the periphery so as to fully exert the protection effect of the whole system, namely the part of load is loaded and the whole net is linked, so that the protective net can bear larger load and reduce the requirement of anchoring force of a single anchor rod.
The active side slope protective net has the following defects: because the protective net is heavy, the coverage area is large, and the difficulty in cleaning broken stones is large, the broken stones cannot be cleaned out in time, the protective net is in a continuous stress state, and the risk of greater accident potential caused by damage of the protective net exists; there is also the disadvantage of difficulty in unloading, and its application is limited by a number of factors.
The passive side slope protection net is a fence type flexible stone blocking net which mainly comprises a steel wire rope net and is arranged at a corresponding position on a slope and used for blocking falling rocks on a slope to avoid damaging a protected object, and sometimes the passive side slope protection net is also called as a stone blocking net.
The passive side slope protection net is generally composed of a steel column, a support rope, a steel rope net, an upper pull anchor rope, an anchor rod and a base, and is characterized in that a pressure reducing ring (an energy dissipation ring) is arranged at the support rope and the upper pull anchor rope, and the pressure reducing ring can effectively reduce impact of falling rocks on the passive side slope protection net and effectively decompose huge power potential energy.
The passive side slope protective net has the following defects: the protective net is easy to accumulate a large amount of falling rocks to form a 'bulging', the protective net is also in a continuous stress state, the falling rocks are usually cleaned regularly or irregularly according to the falling amount and are influenced by continuous load, the 'bulging' phenomenon after cleaning is difficult to eliminate and restore, and the efficacy is reduced in time. In addition, the cleaning process has the defect of falling rocks risk and possible secondary disasters.
To sum up, both the active side slope protection network and the passive side slope protection network have the shortcoming that can not in time uninstall, and especially the rockfall accumulation of the passive side slope protection network is great to the injury of protection network, and in the rockfall cleaning process, the cleaning personnel need get into the rockfall accumulation district, causes the injury to personnel easily, and the cleaning personnel must go out the rockfall from the protection network both sides manual transportation during the clearance, and the clearance is difficult, and the efficiency of construction is low.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to solve traditional passive side slope protection network and accumulate the rockfall easily, form "drum tripe" and the clearance probably causes the not enough such as injury to the clearance personnel in time, invent a detachable passive side slope protection network.
The utility model provides a technical scheme of above-mentioned technical problem does:
the utility model provides a passive side slope protection network which characterized in that: the device consists of an upper pull anchor rope 1, an embedded anchor rod 2, a steel rope net 3, a pressure reducing ring 4, a support rope 5, a steel column 6, a hinged connecting piece 7, a base B8, a base A9, a support rod 10 and a grating 11;
the support rope 5 consists of an upper support rope 51, a middle support rope 52 and a lower support rope 53;
the base B8 consists of a base B ground anchor bolt 81, a lower supporting rope hanging seat 82 and a supporting rod connecting plate 83; the ground anchor bolt 81 is used for fixing the base B8; the lower supporting rope hanging seat 82 is used for fixing the end of the lower supporting rope 53, and the protective net is opened when being unloaded; the support bar connecting plate 83 is used to connect the lower ends of the support bars 10.
The base A9 consists of a base A anchor bolt 91 and a steel column connecting plate 92; wherein, base A earth anchor bolt 91 is used for fixed base A9, and steel column connecting plate 92 is used for connecting the lower extreme of steel column 6.
The steel rope net 3 consists of an upper retaining steel rope net 31 and a lower retaining steel rope net 32; the upper part and the lower part of the upper retaining wire rope net 31 are respectively fixed by an upper supporting rope 51 and a middle supporting rope 52, and the left side and the right side of the upper retaining wire rope net 31 are respectively fixed by two adjacent steel columns 6; the upper part and the lower part of the lower retaining wire rope net 32 are respectively fixed by a middle supporting rope 52 and a lower supporting rope 53, and two sides of the lower retaining wire rope net 32 are fixed by two adjacent supporting rods 10; the steel rope net 3, the supporting ropes 5, the steel columns 6 and the supporting rods 10 are fixed by adopting suture lines.
Hanging seats for supporting the ropes 5 are arranged at the tops of the steel columns 6 and the joints of the steel columns and the hinged connecting pieces 7; and the hanging seat at the top of the steel column 6 is connected with the embedded anchor rod 2 through an upper pulling anchor rope 1.
The upper supporting rope 51 is connected with the top hanging seats of two adjacent steel columns 6, the middle supporting rope 52 is connected with the hanging seats at the joint of the adjacent steel columns 6 and the hinged connecting piece 7, the lower supporting rope 53 is connected with the lower supporting rope hanging seats 82 of the adjacent base B8, and all the supporting ropes 5 are connected with the pressure reducing ring 4 in series at the position close to the steel columns 6 or the supporting rods 10.
The hinge connection member 7 is composed of a connection flange 71, connection clips 72 and connection bolts 73, and the connection flange 71 is placed between the two connection clips 72 during connection, and the connection bolts 73 are inserted and fastened after aligning with the connection holes.
A construction method of a passive side slope protective net comprises the following steps:
1. measuring line
And lofting and positioning the steel column base and the support rod base.
2. Excavation of foundation pit
And excavating the foundation pit of the base.
3. Pre-buried anchor rod and pouring basic concrete
The anchor rod is pre-embedded in the concrete foundation, and the anchor rod can also be installed by drilling after foundation concrete is poured.
4. Base mounting
The foundation is bolted down and tightened with a nut.
5. Steel column installation
And the steel column is installed by pulling up the anchor rope.
6. Arrangement of pressure reducing rings
The pressure reducing rings are distributed on the upper, middle and lower supporting ropes, and two pressure reducing rings are distributed between every two nets.
7. Upper support rope mounting
The top hanging seat of the steel column is provided with the upper supporting rope, and the two upper supporting ropes are mutually connected by a rope clamp at a position 40 +/-4 cm away from the pressure reducing ring (only 30 percent of standard fixing force is used).
8. Lower support line installation
The lower supporting ropes are arranged on the base hanging seats of the supporting rods, and the two bottom supporting ropes are mutually connected by a rope clamp at a position 40 +/-4 cm away from the pressure reducing ring (only 30 percent of standard fixing force is used).
9. The steel cable nets are numbered according to groups and are unfolded among the steel columns according to corresponding positions
The steel rope net is wound and fixed with the upper, middle and lower supporting ropes by using sewing ropes.
10. Grid mounting
The grid was secured to the steel mesh with sutures at 4 and above per square meter.
11. And (6) falling rocks and cleaning.
And (3) opening a rope clamp on a lower supporting rope in an unloading area (a lower retaining steel rope net), then slowly loosening the lower supporting rope wound on the hanging seat of the base B, and slowly opening the bottom of a falling stone collecting area to clean falling stones.
The technical scheme of the utility model following beneficial effect has: the utility model discloses inherit traditional passive side slope protection network "interception" function, simultaneously application "guide" theory, the rockfall after "interception" effectively "guide", get into preset "pocket" (rockfall collecting region), under the safety protection of protection network, can open "pocket" bottom, unload the clearance to the rockfall, both avoided the possibility to the workman injury, also solved "drum tripe" phenomenon, the load that the protection network receives reduces greatly, after the rockfall clearance, the protection network can the later recovery original state, the life-span of protection network has been prolonged greatly, very high security performance has, the cleaning efficiency has been improved.
Drawings
FIG. 1 is a plan layout view of an active side slope protection net
FIG. 2 is a cross-sectional view of an active side slope protection net
FIG. 3 is a three-dimensional elevation view of a passive side slope protection net
FIG. 4 is a cross sectional view of a passive side slope protection net
FIG. 5 is a schematic view of a three-dimensional structure of a passive side slope protection net
FIG. 6 is a cross sectional view of a passive side slope protection net
FIG. 7 is a schematic view of a base A9
FIG. 8 is a schematic view of a base B8
FIG. 9 is a schematic view of the hinge connection 7
In the figure: 1-pulling up the anchor line; 2, pre-embedding an anchor rod; 4-a pressure reducing ring; 6-steel column; 7-hinged connection; 8-base B; 9-base A; 10-a support bar; 31-installing a steel wire rope net; 32-lower retaining wire rope net; 51-upper support line; 52-middle support line; 53-lower support line; 71-a connecting flange; 72-a connection clip; 73-connecting bolts; 81-foundation B ground anchor bolt; 82-lower support rope hanging seats; 83-support bar connection plate; 91-base a anchor bolt; 92-steel column connecting plate.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings.
These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 5, a passive slope protection net is composed of an upper anchor rope 1, an embedded anchor rod 2, a steel rope net 3, a pressure reducing ring 4, a support rope 5, a steel column 6, a hinge connector 7, a base B8, a base a9, a support rod 10 and a grid 11.
The support rope 5 consists of an upper support rope 51, a middle support rope 52 and a lower support rope 53;
as shown in fig. 9, the hinge connector 7 is composed of a connecting flange 71, connecting clips 72 and connecting bolts 73, and when connecting, the connecting flange 71 is placed between the two connecting clips 72, and the connecting bolts 73 are inserted and fastened after aligning the connecting holes.
As shown in fig. 8, the base B8 is composed of a base B anchor bolt 81, a lower support rope hanging seat 82 and a support rod connecting plate 83; the ground anchor bolt 81 is used for fixing the base B8; the lower supporting rope hanging seat 82 is used for fixing the end head of the lower supporting rope 53, and the protective net is opened when being unloaded; the support bar connecting plate 83 is used to connect the lower ends of the support bars 10.
As shown in fig. 7, the base a9 is composed of a base a anchor bolt 91 and a steel column connecting plate 92; wherein, base A earth anchor bolt 91 is used for fixed base A9, and steel column connecting plate 92 is used for connecting the lower extreme of steel column 6.
As shown in fig. 5, the wire rope net 3 is composed of an upper retaining wire rope net 31 and a lower retaining wire rope net 32; the upper part and the lower part of the upper retaining wire rope net 31 are respectively fixed by an upper supporting rope 51 and a middle supporting rope 52, and the left side and the right side of the upper retaining wire rope net 31 are respectively fixed by two adjacent steel columns 6; the upper part and the lower part of the lower retaining wire rope net 32 are respectively fixed by a middle supporting rope 52 and a lower supporting rope 53, and two sides of the lower retaining wire rope net 32 are fixed by two adjacent supporting rods 10; the steel rope net 3, the supporting ropes 5, the steel columns 6 and the supporting rods 10 are fixed by adopting suture lines.
Hanging seats for supporting the ropes 5 are arranged at the tops of the steel columns 6 and the joints of the steel columns and the hinged connecting pieces 7; and the hanging seat at the top of the steel column 6 is connected with the embedded anchor rod 2 through an upper pulling anchor rope 1.
As shown in fig. 5, the upper supporting ropes 51 connect the top hanging seats of two adjacent steel columns 6, the middle supporting ropes 52 connect the hanging seats of the joints of the adjacent steel columns 6 and the hinged connectors 7, the lower supporting ropes 53 connect the lower supporting rope hanging seats 82 of the adjacent bases B8, and all the supporting ropes 5 are connected in series with the pressure reducing rings 4 near the steel columns 6 or the supporting rods 10.
The hinge connection 7 shown in fig. 5 and 6 is composed of a connection flange 71, a connection jaw 72, and a connection bolt 73. The connecting flange 71 is fixedly connected with the steel column 6 in a welding mode, the connecting clamping pieces 72 are fixedly connected with the supporting rod 10 in a welding mode, when the connecting flange 71 is connected with the connecting clamping pieces 72, the connecting flange 71 is placed between the two connecting clamping pieces 72, the connecting holes are aligned, and the connecting bolts 73 are inserted into the connecting holes.
The base B8 shown in FIGS. 6, 7, 8 and 9 is composed of a base B anchor bolt 81, a lower supporting rope hanging seat 82 and a supporting rod connecting plate 83; the base A9 comprises a base A91 anchor bolt and a steel column connecting plate 92, wherein the anchor bolt passes through reserved holes of base B8 and A9 bottom plate bolts and then is fixed on the whole base through nuts; the lower supporting rope hanging seat 82 is used for fixing the end of the lower supporting rope 53, the connection mode is winding connection, and the supporting rope is loosely bound at the hanging seat when the protective net is unloaded; the support bar connecting plate 83 is used for connecting the lower end of the support bar 10 and is movably connected.
A construction method of a passive side slope protective net comprises the following steps:
s1, measuring and paying-off
And before construction, the positions of the steel column and the supporting rod base are measured and lofted according to design and in combination with site topography. Particularly, the position of the supporting rod base is calculated in advance according to the gradient.
S2 excavation of foundation pit
And for the place with a not thick covering layer, when the place is excavated to the bedrock and does not reach the designed depth, drilling a rod hole at the position of the anchor hole in the foundation pit, and pouring the foundation concrete after the anchor rod is inserted into the bedrock and grouted.
S3, embedding anchor rods and pouring basic concrete
The anchor rod is pre-embedded in the concrete foundation, and the anchor rod can also be installed by drilling after foundation concrete is poured.
S4, mounting base
The foundation is bolted down and tightened with a nut.
S5, mounting steel column
S5.1, placing the steel column upwards along the slope and enabling the bottom of the steel column to be located at the base;
s5.2, hanging the hanging ring of the upper pulling anchor rope on the hanging seat at the top end of the steel column, then connecting the other end of the pulling anchor rod with the corresponding upper pulling anchor rod sleeve and temporarily fixing the pulling anchor rod by using a rope clamp (when middle reinforcement and lower pulling anchor ropes are arranged, the pulling anchor rope and the upper pulling anchor rope are installed together or the pulling anchor rope is installed after the upper pulling anchor rope is installed);
s5.3, slowly lifting the steel column and aligning the steel column to the base, then inserting the bottom of the steel column into the base, and finally inserting and screwing a connecting screw; then the support rod screw is connected and screwed.
S5.4, adjusting the position of the steel column according to the designed position by pulling up the anchor rope, tensioning the anchor rope and fixing the anchor rope by using the rope clamp.
S6 arrangement of pressure reducing ring
The pressure reducing rings are distributed on the upper, middle and lower supporting ropes, and two pressure reducing rings are distributed between every two cross nets;
s7, upper supporting rope installation (middle supporting rope is same)
S7.1, temporarily fixing the suspension loop end of the first supporting rope at the bottom of an end column (an initial steel column of each section when the supporting rope is installed in sections), straightening the supporting rope along a direction parallel to the moving direction of the system, placing the supporting rope on the lower side of a base, and adjusting a pressure reducing ring to be in place (the distance from the supporting rope is 50 +/-5 cm, and the pressure reducing ring of each span on the same supporting rope is symmetrically arranged relative to the supporting column);
s7.2, hanging the hanging ring of the supporting rope on the top hanging seat of the end post; fixing the support rope at the outer side of the hanging seat by using a rope clamp at the second steel column (only using 30 percent of standard fixing force); the supporting rope is placed in the side of the hanging seat at the third steel column; installing support ropes on the outer side and the inner side of the base in the same way until the hanging seat at the top of the last steel column of the section is hung, and temporarily fixing the support ropes by using rope clamps;
s7.3, adjusting the position of the pressure reducing ring again, and tightening the supporting rope and fixing the supporting rope by using the rope clamp after the pressure reducing ring is ensured to be completely and correctly positioned;
s7.4, the second upper supporting rope is installed in the same way as the first one, but the second upper supporting rope is installed in the direction opposite to the direction of the second steel column from the last steel column of the first one, and the pressure reducing ring is positioned on the other side of the same span (when the pressure reducing ring is arranged);
two upper support lines were connected to each other with a rope clamp at 40 + -4 cm from the pressure reducing ring (only 30% standard strength).
S8, mounting of lower support rope
S8.1, hanging the hanging ring of the first supporting rope on a hanging seat of an end column base, straightening the supporting rope and placing the supporting rope on the lower side of the base along the direction parallel to the moving direction of the system, and adjusting the pressure reducing ring in place (the distance from the steel column is 50 +/-5 cm, and the pressure reducing ring of each span on the same supporting rope is symmetrically arranged relative to the steel column, namely when each span is a single pressure reducing ring, the pressure reducing ring is in a diagonal relation with the pressure reducing ring of the upper supporting rope);
s8.2, fixing the supporting rope on the outer side of the hanging seat by using a rope clamp at the second base (only using 30 percent of standard fixing force); at the second base, the supporting rope is placed at the lower side in the hanging seat; installing the supporting ropes on the outer side and the inner lower side of the base in the same way until the last base of the section is reached, winding the supporting ropes on a hanging seat of the base, and temporarily fixing the supporting ropes by using the rope clamps;
s8.3, after checking and determining that all the pressure reducing rings are correctly positioned, tightening the supporting rope and fixing the supporting rope by using the rope clamp;
s8.4, installing a second supporting rope according to the steps, but installing the second supporting rope in the opposite direction, wherein the pressure reducing ring is positioned on the other side of the same span;
s8.5, two bottom supporting ropes are mutually connected by a rope clamp at a position 40 +/-4 cm away from the pressure reducing ring (only 30 percent of standard fixing force is used), so that an inner lower side and outer side double-supporting rope structure is formed at the same hanging seat.
S9, numbering the steel cable nets according to groups, and spreading the steel cable nets among the steel columns according to corresponding positions
S9.1, penetrating a redundant lifting steel rope through meshes on the upper edges of the steel rope nets (two nets in the same span are lifted simultaneously), fixing one end of the redundant lifting steel rope at the top end of a steel column, and winding the other end of the redundant lifting steel rope to a base of the steel column through another steel column base and temporarily fixing the steel column base;
s9.2, tensioning the lifting rope by using a rope tightener until the steel rope net rises to the level of the support rope, temporarily loosely connecting the net and the upper support rope by using redundant rope clamps, and simultaneously temporarily connecting the net and the lower support rope to ensure that the sewing is safer, and then the lifting rope can be loosened and drawn out;
s9.3, repeating the steps until all the steel rope nets are temporarily hung on the upper supporting ropes, and laterally moving the steel rope nets to enable the steel rope nets to be located at the correct positions;
s9.4, cutting off the sewing rope according to 1.2-1.4 times of the length of the periphery of the single net, and marking the midpoint of the sewing rope;
s9.5, sewing the steel rope net:
starting at one end of the system, the suture strands are first attached at their midpoint to the support strands at the midpoint of the upper edge of each web. Gradually winding the net and the two support ropes with half of suture ropes from the middle point to two sides until the two support ropes are combined together by a rope clamp, then winding the net and one support rope without a pressure reducing ring together by the suture ropes, when reaching the column top hanging seat, penetrating the suture ropes from the front side of the hanging seat (can not be wound on the hanging seat), turning downwards, continuing to wind the net and the adjacent net edge or the support rope (the single rope section of the upper support rope parallel to the steel column) together by sewing until reaching the base hanging seat, similarly penetrating from the front side of the hanging seat, turning towards the expanded net, continuing to wind a lower support rope without a pressure reducing ring until the rope clamp of the two support ropes is combined, winding the net and the two lower support ropes together by the suture ropes from the front side until the lower edge of the steel rope net crosses the middle point 1 +/-0.1 m, and finally fixing the suture ropes and the steel rope net together by the rope clamp, the rope clip should be placed 0.5 + -0.05 m away from the end of the stitched rope. The other half of the sewing rope is sewn rightwards from the middle point of the upper edge of the net until the position of the joint of the sewing rope and the other net turns downwards to sew the two nets together, when the lower supporting rope reaches the net, the sewing rope turns to the net and is wound together with the two supporting ropes, and finally the ends of the left and right sewing ropes are overlapped by 1 +/-0.1 m;
when the support ropes are arranged in sections so that part of the steel columns in the middle of one section of the stone blocking net are provided with single support ropes parallel to the steel columns, the edges of the steel wire rope net may not be right at the steel columns due to incomplete and uniform arrangement of the intervals of the steel columns, at the moment, the steel wire rope net and the single support rope sections are connected in a loose mode by rope clamps after sewing is completed, and the interval of the connection points is about 1 +/-0.1 m;
s10, grid installation
S10.1, paving and hanging a grid on the inner side (slope facing side) of the steel rope net, overlapping the upper edge of the steel rope net, folding the grid to the outer side of the net by 15 +/-1.5 cm, and fixing the grid on the net by using binding wires;
s10.2, laying the bottom of the grating upwards along a slope for 0.5 +/-0.5 m, and pressing the bottom of the grating by using a plurality of stones so as not to leave a gap between the lower supporting rope and the ground;
s10.3, overlapping 10 +/-1 cm between every two grids;
s10.4, fixing the grid to the steel cable net by using a sewing thread, wherein 4 or more positions are fixed per square meter.
S11 cleaning falling stones
The rockfall is cleaned regularly or irregularly according to the falling amount, namely the protective net is unloaded; at first, open the rope clip on the regional (lower fender steel rope net) lower supporting rope of uninstallation, then slowly relax base B and hang the winding lower supporting rope on the seat, the stone that falls collecting region bottom just is opened slowly, and the clearance in-process can be controlled the lower supporting rope in base B department according to the stone condition that falls, prevents that the whole landing of stone that falls, also can fall the stone clearance under the safety protection of protection network first half simultaneously.
Claims (2)
1. The utility model provides a passive side slope protection network which characterized in that: the device comprises an upper pull anchor rope (1), a pre-buried anchor rod (2), a steel rope net (3), a pressure reducing ring (4), a support rope (5), a steel column (6), a hinged connecting piece (7), a base B (8), a base A (9), a support rod (10) and a grating (11);
the supporting rope (5) consists of an upper supporting rope (51), a middle supporting rope (52) and a lower supporting rope (53);
the base B (8) consists of a base B ground anchor bolt (81), a lower supporting rope hanging seat (82) and a supporting rod connecting plate (83); the ground anchor bolt (81) is used for fixing the base B (8); the lower supporting rope hanging seat (82) is used for fixing the end head of the lower supporting rope (53), and the protective net can be opened when being unloaded; the supporting rod connecting plate (83) is used for connecting the lower end of the supporting rod (10);
the base A (9) consists of a base A anchor bolt (91) and a steel column connecting plate (92); the anchor bolt (91) of the base A is used for fixing the base A (9), and the steel column connecting plate (92) is used for connecting the lower end of the steel column (6);
the steel rope net (3) consists of an upper retaining steel rope net (31) and a lower retaining steel rope net (32); the upper part and the lower part of the upper retaining steel rope net (31) are respectively fixed by an upper supporting rope (51) and a middle supporting rope (52), and the left side and the right side of the upper retaining steel rope net (31) are respectively fixed by two adjacent steel columns (6); the upper part and the lower part of the lower retaining wire rope net (32) are respectively fixed by a middle supporting rope (52) and a lower supporting rope (53), and two sides of the lower retaining wire rope net (32) are fixed by two adjacent supporting rods (10); the steel rope net (3) is fixed with the supporting ropes (5), the steel columns (6) and the supporting rods (10) by adopting suture lines;
hanging seats for supporting the ropes (5) are arranged at the tops of the steel columns (6) and the joints of the steel columns and the hinged connecting pieces (7); the hanging seat at the top of the steel column (6) is connected with the embedded anchor rod (2) through an upper pull anchor rope (1);
the top of two adjacent steel columns (6) is connected with the upper supporting rope (51) to hang the seat, the middle supporting rope (52) is connected with the hanging seat at the joint of the adjacent steel columns (6) and the hinged connecting piece (7), the lower supporting rope (53) is connected with the lower supporting rope hanging seat (82) of the adjacent base B (8), and all the supporting ropes (5) are connected with the pressure reducing ring (4) in series at the position close to the steel columns (6) or the supporting rods (10).
2. The passive side slope protection net according to claim 1, characterized in that: the hinged connecting piece (7) is composed of a connecting flange (71), connecting clamping pieces (72) and connecting bolts (73), the connecting flange (71) is placed between the two connecting clamping pieces (72) during connection, and the connecting bolts (73) are inserted and fastened after aligning the connecting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921056499.2U CN210766453U (en) | 2019-07-08 | 2019-07-08 | Passive side slope protection network |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921056499.2U CN210766453U (en) | 2019-07-08 | 2019-07-08 | Passive side slope protection network |
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| CN210766453U true CN210766453U (en) | 2020-06-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273386A (en) * | 2019-07-08 | 2019-09-24 | 云南省建设投资控股集团有限公司 | A kind of passive side slope protective screen and its construction method |
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2019
- 2019-07-08 CN CN201921056499.2U patent/CN210766453U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273386A (en) * | 2019-07-08 | 2019-09-24 | 云南省建设投资控股集团有限公司 | A kind of passive side slope protective screen and its construction method |
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