CN112681165A - Side slope protection buffer device - Google Patents
Side slope protection buffer device Download PDFInfo
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- CN112681165A CN112681165A CN202011504612.6A CN202011504612A CN112681165A CN 112681165 A CN112681165 A CN 112681165A CN 202011504612 A CN202011504612 A CN 202011504612A CN 112681165 A CN112681165 A CN 112681165A
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Abstract
The invention relates to the field of slope protection and discloses a slope protection buffering device which comprises a fixing system and a steel wire rope net, wherein the fixing system comprises a plurality of fixing mechanisms, each fixing mechanism comprises an anchoring rod for anchoring with a slope and an anchoring base fixedly connected to the end part of the anchoring rod and used for fastening the steel wire rope net; be provided with the spread groove on the anchor base, all be provided with four holding tanks that are used for holding the steel wire on the spread groove, can dismantle in the spread groove and be connected with the fastening components who is used for fastening the steel wire. The invention solves the problem that the mechanical property and the protection effect of the protection system are reduced because the protection system in the prior art is easy to be subjected to larger impact force.
Description
Technical Field
The invention relates to the field of slope protection, in particular to a slope protection buffer device.
Background
With the increase of population and the development of land resources, the slope problem has become one of three global geological disasters (sources) which are parallel to earthquake and volcano. In recent years, with the continuous expansion of the scale of human engineering activities and the restriction of engineering geological conditions in fields, the geological disasters such as collapse, landslide, rockfall, debris flow and the like caused by slope instability bring huge losses to the lives and properties of people. At present, aiming at the problem of side slopes, a flexible protection technology is generally adopted, namely a passive protection system is utilized to realize the treatment of side slope rockfall. The passive protection system mainly comprises a steel wire rope net, an annular net (a layer of iron wire grating is added when small falling rocks need to be intercepted), a fixing system (an anchor rod, a pull anchor rope, a base, a supporting rope and the like), a steel column and the like. The flexibility and the interception strength of the system are utilized to absorb and disperse the kinetic energy of rockfall impact, and compared with a rigid interception and mortar-building retaining wall, the construction process is simple and the capital investment is relatively small.
When utilizing passive protection system to carry out the side slope protection, at first pass through the fixing system anchor with the steel column inside the side slope, fix wire rope net and ring net etc. on the steel column, when the side slope appears collapsing, falling rocks because of the unstability, utilize wire rope net, ring net to intercept the stone of whereabouts, avoid hindering the people. However, in the existing protection system, the steel wire mesh and the annular mesh are erected on the side of the side slope and have a certain distance with the side slope, so that in the process of falling of the stone, the system is subjected to large impact force, the protection system is damaged to different degrees, and the mechanical property and the protection effect of the protection system are reduced.
Disclosure of Invention
The invention aims to provide a slope protection buffer device to solve the problem that the mechanical property and the protection effect of a protection system are reduced due to the fact that the protection system in the prior art is easy to be subjected to large impact force.
In order to achieve the purpose, the invention adopts the following technical scheme: a slope protection buffer device comprises a fixing system and a steel wire rope net, wherein the fixing system comprises a plurality of fixing mechanisms, each fixing mechanism comprises an anchoring rod for anchoring with a slope and an anchoring base fixedly connected to the end part of the anchoring rod and used for fastening the steel wire rope net; be provided with the spread groove on the anchor base, all be provided with four holding tanks that are used for holding the steel wire on the spread groove, can dismantle in the spread groove and be connected with the fastening components who is used for fastening the steel wire.
The principle and the advantages of the scheme are as follows: in practical application, in the technical scheme, the fixing system is mainly connected with the side slope in an anchoring mode. When the anchor rod is used, one end of the anchor rod is anchored in the side slope, the other end of the anchor rod (the end provided with the anchor base) is used for being connected with the steel wire rope net, the steel wire rope net is compressed and fixed on the anchor base in a cross shape by the fastening assembly, the steel wire rope net is integrally wrapped and covered on the side slope, and the side slope is protected closely.
The beneficial effects of this technical scheme lie in:
1. in the technical scheme, the structure of the fixing system is optimized, the mode that the base, the steel column, the anchoring rod and the anchor pulling rope are used for fixing in a cooperative mode in the prior art is changed, the anchoring rod is directly used for fixing the steel wire rope net on the side slope, the structure of the fixing system is simplified, and the investment of infrastructure for protecting and buffering the side slope is reduced.
2. In the technical scheme, the steel wire rope net is directly fixed on the side slope surface, compared with the remote protection in the prior art, the scheme shortens the protection distance, so that the rock falling distance is relatively small in the rock falling process, and the impact force on a protection system is reduced; and because the wire rope net is tightly attached to the side slope, the probability of falling rocks can be reduced to a certain extent, and falling rocks impact is avoided from the source.
3. Among this technical scheme, when connecting the wire rope net, it is direct to be the cross form with wire rope to utilize fastening components to compress tightly to fix on the anchor base, in the site operation process, the fixed process of wire rope net is the process of laying of wire rope net promptly, need not purchase in advance or make the wire rope net, before the protective device consumptive material uses, with wire rope, the form of the mounting plate of treating the combination is deposited, compare in the form of depositing with whole wire rope net and say, this scheme is favorable to the deposit and the transportation of protective device before the side slope protection construction.
4. In this technical scheme, because fastening component can dismantle the connection on the anchor base, warp or damage the back because of the impact force is too big when the wire rope net, can be through changing the local damaged wire rope of replacement of fastening component, need not wholly dismantle the wire rope net, reduced the equipment maintenance degree of difficulty when reducing the protection input.
Preferably, as an improvement, the fastening assembly comprises a threaded rod, a first fastening piece and a second fastening piece, the threaded rod is in threaded connection in the connecting groove, the first fastening piece is in threaded connection with the end part of the threaded rod, and the first fastening piece is provided with four fastening bulges; the second fastening piece is detachably connected to the first fastening piece, four fastening holes used for containing fastening protrusions are formed in the second fastening piece, and the connecting groove and the first fastening piece are rectangular.
Among this technical scheme, when connecting first mounting plate in the spread groove, at first with threaded rod threaded connection in the spread groove, then with the tip of first mounting plate threaded connection at the threaded rod to rotate the threaded rod again with the fine setting, make the stable holding of first mounting plate in the spread groove, because first mounting plate is the rectangle structure with the spread groove, first mounting plate has reverse fixed action to the threaded rod after the fastening is taken one's place, avoids the threaded connection pine to take off. Compress tightly in coordination through first mounting plate and second mounting plate, can realize closely protecting at the slope outer wall with stable the fixing of wire rope.
Preferably, as an improvement, the fastening surfaces of the first fastening plate and the second fastening plate are both provided with elastic cushions.
When the side slope appears local rockfall, collapses the phenomenon such as, can make the local atress of wire rope net too big because of the impact force of stone, easily appear because of transshipping local deformation or fracture problem. In the technical scheme, the elastic buffer pad is arranged between the first fastening piece and the second fastening piece, and the buffer pad has elasticity, so that when internal clamping force is applied to the first fastening piece and the second fastening piece, the buffer pad can realize auxiliary clamping on the middle steel wire rope under the action of self elastic restoring force, and the fixing stability of the steel wire rope is improved; in addition, the buffer cushion can also increase the friction force between the steel wire rope and the first fastening piece and between the steel wire rope and the second fastening piece, and has certain transverse movement freedom degree, when the steel wire rope is subjected to local impact force, the energy of the overload impact force can be dissipated by the friction force and the transverse movement freedom degree, and therefore the steel wire rope is prevented from yielding and breaking or being damaged.
Preferably, as an improvement, the number of fixing means located in the middle of the wire rope net is greater than the number of fixing means located at the outer edge of the wire rope net.
Among this technical scheme, be located the probability that the falling rocks appears in the side slope middle part and want to be greater than the probability of marginal falling rocks, and the harm of middle part falling rocks also needs to be greater than marginal falling rocks harm, for this reason, this scheme has set up more fixed establishment in the high risk area of falling rocks, makes the high risk area of falling rocks have more concentrated, bigger fastening force, realizes the reasonable protection to the side slope.
Preferably, as an improvement, a pressing member for pressing and fixing the second fastening plate to the first fastening plate is detachably attached to the anchor base.
Among this technical scheme, compress tightly the subassembly and be used for compressing tightly the second mounting plate to fix on first mounting plate, through set it to the mode of can dismantling the connection with the anchor base, can realize compressing tightly the multiple spot used repeatedly of subassembly in the work progress, structural design is reasonable.
Preferably, as an improvement, compress tightly the subassembly and include the compression seat of threaded connection on the anchor base, install the pressure head of fluid pressure type on compressing tightly the seat.
Among this technical scheme, compress tightly the seat and play the effect of connecting fixedly, through optimizing the pressure head structure for the fluid pressure type with the pressure head, can provide stable power source for the process of compressing tightly of first mounting plate and second mounting plate.
Preferably, as an improvement, the outer edge of the top end of the fastening projection is provided with an inclined surface which can be contacted with the pressure head, and the inclined surface is inclined towards the middle part of the connecting groove.
Among this technical scheme, through setting up the inclined plane at the bellied top outer fringe of fastening, compressing tightly the second mounting plate at the in-process of first mounting plate, when the pressure head pushed down, when exerting the bellied pressure of perpendicular to fastening to the fastening arch, still can produce the internal thrust to the spread groove middle part to make the fastening arch can realize embracing fixedly to the interior knot of second mounting plate after passing the fastening hole.
Preferably, as a modification, the second fastening plate is provided with a lightening hole in the middle.
In this technical scheme, the weight that subtracts of second mounting plate can be realized to the design of lightening hole on the one hand, reduces whole fixing system's load bearing, and on the other hand still has certain ventilative ventilation effect, can avoid the rainwater to gather between two mounting plates in overcast and rainy day, avoids causing the wire rope corrosion because of ponding.
Preferably, as a modification, the anchoring rod is provided with a plurality of inclined barbs along the axial direction of the anchoring rod.
Among this technical scheme, through set up the barb on the outer wall at the anchor pole, can realize the reinforcement of anchor pole and connect, avoid the anchor pole to slip the pine after the atress and take off outward.
Preferably, as an improvement, the holding tank is "U" shape structure, and all is provided with the slipmat in the holding tank.
Among this technical scheme, through setting the holding tank to "U" shape structure can make its structure that agrees with wire rope, the design of slipmat can reduce the frictional force between holding tank and the wire rope, avoids causing the unnecessary loss to wire rope.
Drawings
Fig. 1 is a schematic view of a protection state in a slope protection buffer device according to an embodiment of the invention.
Fig. 2 is a front view of a fixing mechanism according to a first embodiment of the present invention.
Fig. 3 is a front view of a securing mechanism (not shown with the ram) in accordance with one embodiment of the present invention.
FIG. 4 is a side elevation and longitudinal cross-sectional view of an anchor connection of a securing mechanism according to one embodiment of the present invention.
Fig. 5 is an enlarged view at a1 in fig. 4.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: slope 1, fixed establishment 2, wire rope net 3, wire rope 4, anchor rod 5, anchor base 6, barb 7, spread groove 8, holding tank 9, threaded rod 10, first mounting plate 11, second mounting plate 12, fastening arch 13, lightening hole 14, fastening hole 15, blotter 16, threaded connection pole 17, compress tightly seat 18, pneumatic cylinder 19, pressure head 20.
Example one
This embodiment is substantially as shown in figure 1: a slope protection buffer device comprises a fixing system and a steel wire rope net 3.
The fixing system is used for fixing the steel wire rope net 3 on the slope surface of the side slope 1 and comprises a plurality of fixing mechanisms 2, and the number of the fixing mechanisms 2 positioned in the middle of the side slope 1 is more than that of the fixing mechanisms 2 positioned at the outer edge of the side slope 1. As shown in fig. 4, the fixing mechanism 2 includes an anchor rod 5 and an anchor base 6 integrally connected to an end of the anchor rod 5. The anchor rod 5 can be anchored on the slope 1 body, a plurality of inclined barbs 7 are welded on the anchor rod 5 along the axial direction of the anchor rod 5, and the inclined directions of the barbs 7 are opposite to the penetrating directions of the anchor rod 5 during anchoring. Referring to fig. 2, 3 and 5, the anchoring base 6 is cylindrical, a concave square connecting groove 8 is disposed on the anchoring base 6, U-shaped receiving grooves 9 capable of receiving the steel wire rope 4 are disposed at four corners of the connecting groove 8, and a non-slip mat (not shown) is bonded in the receiving grooves 9.
A fastening member for fastening the wire rope 4 is detachably connected to the connecting groove 8, and as shown in fig. 5, the fastening member includes a threaded rod 10, a first fastening piece 11, and a second fastening piece 12. A transverse threaded hole is formed in the connecting groove 8 in the center, the right end of the threaded rod 10 is in threaded connection with the threaded hole, the left end of the threaded rod 10 is in threaded connection with the first fastening piece 11, the left end of the threaded rod 10 penetrates through the first fastening piece 11 in the initial state, and the left end of the threaded rod 10 is located on the outer side of the first fastening piece 11. The shape of first mounting plate 11 is the square, and integrated into one piece is connected with four fastening protrusion 13 on the first mounting plate 11, and fastening protrusion 13 is perpendicular to first mounting plate 11, and the outer fringe of fastening protrusion 13 sets up the inclined plane that sets up for from the right side to left side leanin. The second fastening piece 12 is also square, a circular lightening hole 14 is formed in the middle of the second fastening piece 12, four strip-shaped fastening holes 15 opposite to the fastening bulges 13 are formed in the second fastening piece 12, and the fastening bulges 13 can penetrate through the fastening holes 15. Elastic cushions 16 are adhered to the fastening surfaces (the surfaces opposite to the two fastening pieces) of the first fastening piece 11 and the second fastening piece 12.
Radially being provided with the screw hole along anchor base 6 on anchor base 6, screw hole female connection has threaded connection rod 17, threaded connection rod 17 keeps away from anchor base 6's tip integrated into one piece and is connected with and compresses tightly seat 18, it has pneumatic cylinder 19 to compress tightly through the bolt fastening on the seat 18, the welding has the connecting plate with piston rod vertically on pneumatic cylinder 19's the piston rod, the welding has the screw thread seat on the connecting plate, screw thread seat female connection has pressure head 20, pressure head 20 can be just right with spread groove 8, and pressure head 20 can hold in spread groove 8 when pushing down. The two pressing heads 20 in the embodiment are respectively a fastening pressing head 20 and a dismounting pressing head 20, the pressing surface of the fastening pressing head 20 is a plane, and the edges of the fastening pressing head 20 are smoothly arranged; four milling cutters which can be just opposite to the fastening bulges 13 are arranged on the pressing surface of the disassembling pressure head 20 and can cut off the fastening bulges 13.
The specific implementation process is as follows: when the slope 1 is protected, the anchoring rod 5 is anchored in the slope 1, and the operation of anchoring the anchoring rod 5 in the slope 1 is performed according to the conventional operation. During the anchoring process, the barbs 7 on the anchoring rod 5 can increase the contact area of the anchoring, so that the reinforced anchoring of the anchoring rod 5 is realized. According to the rock falling probability of the side slope 1, the anchoring quantity in the middle area of the side slope 1 is larger than that in the periphery of the side slope 1. After anchoring, the anchoring base 6 is directly connected to the side slope 1.
As shown in fig. 5, the threaded rod 10 is horizontally placed, and then the right end of the threaded rod 10 passes through the first fastening plate 11, so that the left end of the threaded rod 10 is screwed with the first fastening plate 11, and at this time, the left end of the threaded rod 10 is positioned at the left side of the first fastening plate 11 and is in an untwisted state, so that fine adjustment can be performed at a later stage. With the right-hand member threaded connection of threaded rod 10 in the screwed hole of spread groove 8, threaded rod 10 can take first mounting plate 11 to hold together in spread groove 8, because first mounting plate 11 is the square with spread groove 8 this moment for first mounting plate can't continue to rotate, only need continue to rotate threaded rod 10 this moment, make threaded rod 10 rotatory first mounting plate 11 relatively, first mounting plate 11 is along spread groove 8 lateral shifting, can support first mounting plate 11 tight connection in spread groove 8. Because first mounting plate 11 is the square with spread groove 8, after first mounting plate 11 installs, because it is square structure, can not be at spread 8 internal rotations in the spread groove, can have reverse fixed effect to threaded rod 10, avoid threaded rod 10 pine to appear to take off for it can also realize fixing certainly of first mounting plate 11 when can connecting fixed wire rope 4, guarantees the safeguard effect of side slope.
After the first fastening tabs 11 are mounted, the wire rope net 3 is mounted. Two steel wire ropes 4 are installed in the anchoring base 6 in a cross shape, so that the steel wire ropes 4 are respectively accommodated in the four accommodating grooves 9, and then the second fastening piece 12 is placed above the crossed steel wire ropes 4, so that the fastening bulge 13 on the first fastening piece 11 penetrates through the fastening hole 15 on the second fastening piece 12. Then, as shown in fig. 5, the pressing base 18 is coupled to the anchor base 6 by the screw coupling rod 17 so that the pressing head 20 is opposed to the coupling groove 8. Then, the hydraulic cylinder 19 is started, so that the pressing head 20 is pressed downwards, the pressing head 20 is firstly contacted with the fastening protrusion 13 in the downward moving process, and the outer edge of the fastening protrusion 13 is set to be an inclined surface, so that the pressing head 20 can synchronously apply thrust towards the center direction of the second fastening piece 12 to the fastening protrusion 13 in the downward pressing process, and further, the fastening protrusion 13 is bent by the pressing head 20 and then is pressed and fixed on the second fastening piece 12, and at the moment, the four fastening protrusions 13 are in an inner buckling shape. Through set up elastic blotter 16 between first mounting plate 11 and second mounting plate 12, because blotter 16 has elasticity, when inside clamping-force is applyed with second mounting plate 12 to first mounting plate 11, blotter 16 can realize the supplementary centre gripping of middle part wire rope 4 rope under the effect of self elastic recovery power, improves the fixed stability of wire rope 4 rope.
Repeating the steps, completing the installation of the rest fixing mechanisms 2 and the pressing and fixing of the other positions of the steel wire rope net 3 according to the predetermined anchoring position, enabling the steel wire rope net 3 to be stably fixed on the outer wall of the side slope 1, realizing short-distance protection, and enabling the fixing process of the steel wire rope net 3 to be the laying and manufacturing process of the steel wire rope net 3. Because the wire rope net 3 is tightly attached to the side slope 1, the probability of falling rocks can be reduced to a certain extent, and falling rocks impact is avoided from the source.
When the rock fall phenomenon appears in side slope 1, because this technical scheme is that the closely protection of side slope 1 outer wall is hugged closely to wire rope net 3, the stone roll-off distance is relatively little, has reduced the impact force to protection system. In addition, when the local stone that falls appears in slope 1, when collapsing etc. phenomenon, because the impact force of stone can make the local atress of wire rope net 3 too big, because be provided with blotter 16 between first mounting plate 11 and the second mounting plate 12, can increase wire rope 4 and first mounting plate 11, frictional force between the second mounting plate 12, and because blotter 16 has elasticity, have certain lateral shifting degree of freedom simultaneously concurrently, when wire rope 4 received local impact force, this partial frictional force and lateral shifting degree of freedom can carry out the dissipation of energy to the impact force of transshipping, thereby avoid wire rope 4 to reach the yield and fracture or damage.
When the local damage appears because of the rockfall strikes too big when 3, need carry out local maintenance, will compress tightly 18 threaded connection of seat on anchor base 6, and change and have milling cutter's pressure head 20, control pressure head 20 through pneumatic cylinder 19 and move down, make milling cutter cut off fastening arch 13, thereby realize the separation of first mounting plate 11 and second mounting plate 12, take off damaged wire rope 4, and change first mounting plate 11 and second mounting plate 12, then according to above-mentioned step, wire rope 4 after will changing replaces again compress tightly can, need not change wire rope net 3 whole, the protection input has been reduced.
This embodiment has solved among the prior art problem that protection system mechanical properties and protective effect descend because protection system easily receives great impact force through the optimization to side slope 1 protection buffer structure.
The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. The utility model provides a side slope protection buffer, includes fixing system and wire rope net, its characterized in that: the fixing system comprises a plurality of fixing mechanisms, and each fixing mechanism comprises an anchoring rod for anchoring with the side slope and an anchoring base fixedly connected to the end part of the anchoring rod and used for fastening the steel wire rope net; be provided with the spread groove on the anchor base, all be provided with four holding tanks that are used for holding the steel wire on the spread groove, can dismantle in the spread groove and be connected with the fastening components who is used for fastening the steel wire.
2. A slope protection cushioning device according to claim 1, wherein: the fastening assembly comprises a threaded rod, a first fastening piece and a second fastening piece, the threaded rod is in threaded connection with the connecting groove, the first fastening piece is in threaded connection with the end part of the threaded rod, and four fastening bulges are arranged on the first fastening piece; the second fastening piece is detachably connected to the first fastening piece, four fastening holes used for containing fastening bulges are formed in the second fastening piece, and the connecting groove and the first fastening piece are rectangular.
3. A slope protection cushioning device according to claim 2, wherein: elastic buffer pads are arranged on the fastening surfaces of the first fastening piece and the second fastening piece.
4. A slope protection cushioning device according to claim 3, wherein: the number of the fixing mechanisms positioned in the middle of the steel wire rope net is more than that of the fixing mechanisms positioned at the outer edge of the steel wire rope net.
5. The slope protection cushioning device of claim 4, wherein: the anchoring base is detachably connected with a pressing assembly used for pressing and fixing the second fastening piece on the first fastening piece.
6. The slope protection cushioning device of claim 5, wherein: the pressing assembly comprises a pressing seat in threaded connection with the anchoring base, and a hydraulic pressure head is mounted on the pressing seat.
7. The slope protection cushioning device of claim 6, wherein: the outer edge of the top end of the fastening protrusion is provided with an inclined surface capable of contacting with the pressure head, and the inclined surface is obliquely arranged towards the middle of the connecting groove.
8. The slope protection cushioning device of claim 7, wherein: and the middle part of the second fastening piece is provided with a lightening hole.
9. The slope protection cushioning device of claim 8, wherein: and a plurality of inclined barbs are arranged on the anchoring rod along the axial direction of the anchoring rod.
10. A slope protection cushioning device according to claim 9, wherein: the holding tank is "U" shape structure, and all is provided with the slipmat in the holding tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011504612.6A CN112681165A (en) | 2020-12-18 | 2020-12-18 | Side slope protection buffer device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011504612.6A CN112681165A (en) | 2020-12-18 | 2020-12-18 | Side slope protection buffer device |
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| CN112681165A true CN112681165A (en) | 2021-04-20 |
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| CN202011504612.6A Pending CN112681165A (en) | 2020-12-18 | 2020-12-18 | Side slope protection buffer device |
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Application publication date: 20210420 |