CN108426499A - A kind of slope blasting Rolling Stone slows down blocking protective device and its method - Google Patents
A kind of slope blasting Rolling Stone slows down blocking protective device and its method Download PDFInfo
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- CN108426499A CN108426499A CN201810378576.XA CN201810378576A CN108426499A CN 108426499 A CN108426499 A CN 108426499A CN 201810378576 A CN201810378576 A CN 201810378576A CN 108426499 A CN108426499 A CN 108426499A
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- 238000005422 blasting Methods 0.000 title claims abstract description 34
- 230000000903 blocking effect Effects 0.000 title claims abstract description 23
- 230000001681 protective effect Effects 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 37
- 239000010959 steel Substances 0.000 claims abstract description 37
- 239000010920 waste tyre Substances 0.000 claims abstract description 29
- 238000004880 explosion Methods 0.000 claims abstract description 17
- 239000004575 stone Substances 0.000 claims description 39
- 238000009412 basement excavation Methods 0.000 claims description 11
- 230000002787 reinforcement Effects 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 5
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D5/00—Safety arrangements
- F42D5/04—Rendering explosive charges harmless, e.g. destroying ammunition; Rendering detonation of explosive charges harmless
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Abstract
The present invention relates to a kind of slope blasting Rolling Stone deceleration blocking protective device and its methods, including side slope lithosome, reverse L type rigid support, Rolling Stone protection network, fixed anchor cable, the up-hill end of the Rolling Stone protection network is fixed on side slope lithosome, and the other end is fixed on the upper of reverse L type rigid support；Described fixed anchor cable one end is fixed on side slope lithosome, and the other end is fixedly connected with reverse L type rigid support, and fixed anchor cable is tension, and fixed anchor cable is located at the upside of Rolling Stone protection network；The Rolling Stone protection network is equipped with several waste tires, and side of the reverse L type rigid support towards Rolling Stone protection network, fixed anchor cable is equipped with top setback shoulder guard, lower portion steel plate, and top setback shoulder guard is set to the top of lower portion steel plate.By the invention it is possible to efficiently stop explosion Rolling Stone, effectively avoid surrounding resident by rockfall hazards, reduce the loss late of ore, improve ore recovery ratio, good economic benefit is created for enterprise.
Description
Technical field
Slow down blocking protective device and its method the present invention relates to a kind of slope blasting Rolling Stone, is that a kind of explosion Rolling Stone subtracts
Speed, intercepts protective device at blocking, and deceleration, blocking, the interception of Rolling Stone, advantageously reduce when can be used for having an opencast mining of blast working
Surface mine exploit and other engineering explosion field borehole blasting Rolling Stones bring harm, realize safe construction, belong to slope blasting
Rolling Stone, which slows down, stops protection Design technical field.
Background technology
So-called Rolling Stone refers to individual block stones because of certain reason after the unstability of geologic body surface by whereabouts, rebound, jump,
The combination of one or more of the motion modes such as rolling or sliding quickly moves downwards along slope surface, finally on shallower ground
Static get off a dynamical evolution process near band or barrier.When Rolling Stone movement causes the security of the lives and property of people,
Constitute rockfall hazards.
With the rapid development of economic construction of China, there are about surface mine 1500, more and more surface mines at present
Just gradual deeper village, cities and towns so that the blasting environment around mine becomes more sophisticated, and explosion endangers risk factor not
It is disconnected to be promoted, directly affect the living environment of the common people around mine.When wherein side slope opencut perforated blasting is exploited, explosion generates
Rolling Stone is Major Risk Factors, if it cannot be effectively controlled, easily causes shotfiring safety accident, can not only threaten mine
The security of the lives and property of surrounding resident, also by the serious safety production efficiency for restricting mining enterprise.
Generally for the generation for avoiding Rolling Stone accident, it is ensured that the life security of stone pit surrounding resident and the production peace of enterprise
Entirely, it is often stayed around strip pit and sets the not exploitation of certain side slope ore resource, cause the waste of vast resources,
The decline of ore extraction rate directly affects the economic benefit of bargh.
Invention content
The purpose of the present invention is aiming at existing deficiency, for the harm of effective controlled blasting Rolling Stone, to ensure
The security of the lives and property of resident, the safety coefficient and productivity effect of enterprise operation provide a kind of slope blasting Rolling Stone and subtract
Speed blocking protective device and its method.
The object of the present invention is achieved like this, a kind of slope blasting Rolling Stone deceleration blocking protective device, including side slope rock
The top of Shi Ti, side slope lithosome are blasting excavation region, are reserved at the side slope lithosome upward slope close to blasting excavation region
There is stone dam ditch；It is characterized in that：Further include reverse L type rigid support, Rolling Stone protection network, fixed anchor cable, reverse L type rigid support lower end
It is fixed in the side slope lithosome slope surface of side slope lithosome bottom of slope；
The up-hill end of the Rolling Stone protection network is fixed on the side slope lithosome between stone dam ditch, reverse L type rigid support, the other end
It is fixed on the upper of reverse L type rigid support；Described fixed anchor cable one end is fixed between the up-hill end of stone dam ditch, Rolling Stone protection network
On side slope lithosome, the other end is fixedly connected with reverse L type rigid support, and fixed anchor cable is tension, and fixes anchor cable and reverse L
The fixed connection place of type rigid support is higher than the fixed connection place of Rolling Stone protection network and reverse L type rigid support, and fixed anchor cable is located at
The upside of Rolling Stone protection network；
The Rolling Stone protection network is equipped with several waste tires, side of the reverse L type rigid post towards Rolling Stone protection network, fixed anchor cable
Equipped with top setback shoulder guard, lower portion steel plate, top setback shoulder guard is set to the top of lower portion steel plate.
The reverse L type rigid support includes slope aspect rigid support, the vertical rigidity branch being fixedly connected with slope aspect rigid support
Side slope lithosome is fixed in the slope surface of side slope lithosome bottom of slope in column, vertical rigid support lower end；
The top setback shoulder guard fixation with steel wire is in side of the slope aspect rigid support towards Rolling Stone protection network, fixed anchor cable
And a upper lateral part of the vertical rigid support towards Rolling Stone protection network, fixed anchor cable, the fixation with steel wire of lower portion steel plate is perpendicular
To a side lower part of the rigid support towards Rolling Stone protection network, fixed anchor cable.
The up-hill end of the Rolling Stone protection network is fixed on the second Short bolt in upward slope slope rock mass, and the other end is solid with steel wire
Due on the vertical rigid support of reverse L type rigid support.
The fixed anchor cable is fixed on the first Short bolt in side slope lithosome, and the other end is fixed on reverse L type rigid support
Slope aspect rigid support, vertical rigid support junction.
On the reverse L type rigid support, slope aspect rigid support, vertical rigid support junction top setback shoulder guard
With fixed angle bar reinforcement of weld.
On Rolling Stone protection network, waste tire is with waste tire neighbor distance for several waste tire fixations with steel wire
50cm。
The Rolling Stone protection network is made of reinforced mesh overlap joint, and the size of reinforced mesh is 2m × 2m, two neighboring reinforcing bar
Mesh sheet lap of splice 20cm, the mesh of reinforced mesh are the rhombic quadrangles mesh of 10cm × 10cm.
Stone hole is preset on the side slope lithosome, the vertical rigid support of reverse L type rigid support is embedded to side slope lithosome
In preset stone hole, the depth of the vertical rigid support of reverse L type rigid support in side slope lithosome stone hole is 0.5m, it is vertical just
Property pillar to expose the length in side slope lithosome stone hole be 2.5m, slope aspect rigid support extension 1m.
A kind of method that side slope explosion Rolling Stone carries out deceleration blocking protection, it is characterized in that：
Explosion occurs for the blasting excavation region at the top of side slope lithosome, and the Rolling Stone that explosion generates carries larger kinetic energy along side
Slope lithosome slope surface is rolled to gliding, and a part of Rolling Stone can fall into stone dam ditch, and another part Rolling Stone crosses stone dam ditch by being fixed with
When the Rolling Stone protection network of waste tire, waste tire and Rolling Stone protection network fully absorb Rolling Stone kinetic energy, reduce the speed of Rolling Stone；
Rolling Stone after deceleration can strike the top setback shoulder guard being fixed on reverse L type rigid support if still there is remaining kinetic energy,
Top setback shoulder guard can then fully absorb the remaining kinetic energy of Rolling Stone, and Rolling Stone is made to become stationary at state, to realize side slope
Explosion Rolling Stone carries out blocking protection of slowing down.
Structure of the invention is rationally simple, it is easy, easy to use to manufacture, through the invention, a kind of slope blasting Rolling Stone
Slow down blocking protective device, including reverse L type rigid support, fixed anchor cable, Rolling Stone protection network, waste tire, the protection of top setback
Steel plate, lower portion steel plate, fixed angle bar, the first Short bolt, the second Short bolt are composed.The top of side slope lithosome is quick-fried
Broken production zone, after explosion generates, Rolling Stone carries larger kinetic energy and is rolled along side slope lithosome to gliding, and a part of Rolling Stone can be fallen
Enter the reserved stone dam ditch protected as first layer, another part Rolling Stone it is anti-may to cross first layer due to kinetic energy is larger
The reserved stone dam ditch of shield, when containing the Rolling Stone protection network of the Rolling Stones of a large amount of kinetic energy by being fixed with waste tire, waste tire and
Rolling Stone protection network fully absorbs Rolling Stone kinetic energy, can substantially reduce the speed of Rolling Stone.Rolling Stone after deceleration, if still there is remaining kinetic energy,
The top setback shoulder guard being fixed on reverse L type rigid support can be struck, top setback shoulder guard can then fully absorb
The remaining kinetic energy of Rolling Stone, makes Rolling Stone become stationary at state.
It is described that in the descending side of stone dam ditch, Rolling Stone protection network and reverse L type rigid support be set, the one of Rolling Stone protection network
End is fixed on the upward slope section of slope rock mass, and the other end is fixed on reverse L type rigid support, and is fixed on Rolling Stone protection network waste and old
Tire.In the first half of reverse L type rigid support, the interlude of reverse L type rigid support is pre- for upper setback shoulder guard fixation with steel wire
Remain for fixed Rolling Stone protection network, reverse L type rigid support lower half rest fixes lower portion steel plate.Lower portion is set
Steel plate is the Rolling Stone for being less than Rolling Stone protection network mesh for stop portions grain size.One end of fixed anchor cable and reverse L type rigid support
Connection, the other end are then fixed on the first Short bolt on side slope lithosome, and fixed anchor cable is tension.Fixed anchor cable is to tense
State is Rolling Stone impact in order to prevent, to destroy reverse L type rigid support stability.Slope aspect rigid support, vertical rigid support
The top setback shoulder guard of junction, which is used, fixes angle bar reinforcement of weld, the whole shock resistance energy of setback shoulder guard in raising
Power.The waste tire is that 50cm uses fixation with steel wire on Rolling Stone protection network with adjacent spacing.
Apparatus of the present invention have the advantage that effect after implementing：Stone dam ditch protects for the first order, the protection of waste tire Rolling Stone
The second level protection that net, reverse L type rigid support, top setback shoulder guard are constituted, waste tire Rolling Stone protection network plays similar
In the effect of deceleration strip, Rolling Stone speed is fully reduced, reduces the direct impact force to follow up device.The top setback being subsequently arranged
Shoulder guard, which can still again serve to, absorbs the effect of Rolling Stone kinetic energy, until Rolling Stone completely loses kinetic energy, stops rolling.Utilize fixation
Bolted angle connection slope aspect and vertical top setback shoulder guard, further increase the impact resistance of top setback shoulder guard.
The device can efficiently stop explosion Rolling Stone, effectively avoid surrounding resident by rockfall hazards, reduce the loss late of ore, improve
Ore recovery ratio creates good economic benefit for enterprise.
Description of the drawings
Fig. 1 is the integral arrangement schematic diagram of the present invention.
Fig. 2 is Rolling Stone protection network waste tire arrangement schematic diagram in the present invention.
Fig. 3 is to fix angle bar in the present invention to reinforce top setback steel plate schematic diagram.
In figure：1 blasting excavation region, 2 stone dam ditches, 3 side slope lithosomes, 4 reverse L type rigid supports, 5 first Short bolts, 6
Anchor cable, 10 fixation angle bar, 11 top setback shoulder guards, 12 lower parts are fixed in two Short bolts, 7 waste tires, 8 Rolling Stone protection networks, 9
Shoulder guard.
Specific implementation mode
Below in conjunction with attached drawing and description of the drawings, the present invention is further illustrated.
A kind of slope blasting Rolling Stone slows down blocking protective device, including side slope lithosome 3, the top of side slope lithosome 3 are
Blasting excavation region 1 is reserved with stone dam ditch 2 at 3 upward slope of side slope lithosome close to blasting excavation region 1；It further include reverse L type
Rigid support 4, Rolling Stone protection network 8, fixed anchor cable 9,4 lower end of reverse L type rigid support are fixed on close to 3 bottom of slope of side slope lithosome
In 3 slope surface of side slope lithosome.
The up-hill end of Rolling Stone protection network 8 is fixed on the side slope lithosome 3 between stone dam ditch 2, reverse L type rigid support 4, separately
The upper of reverse L type rigid support 4 is fixed in one end；Fixed 9 one end of anchor cable be fixed on stone dam ditch 2, Rolling Stone protection network 8 up-hill end it
Between side slope lithosome 3 on, the other end is fixedly connected with reverse L type rigid support 4, and fixed anchor cable 9 is tension, and fixed anchor
Rope 9 is higher than the fixed connection place of Rolling Stone protection network 8 and reverse L type rigid support 4 with the fixed connection place of reverse L type rigid support 4, Gu
Determine the upside that anchor cable 9 is located at Rolling Stone protection network 8.
The Rolling Stone protection network 8 is equipped with several waste tires 7, and reverse L type rigid post 4 is towards Rolling Stone protection network 8, fixed anchor
The side of rope 9 is equipped with top setback shoulder guard 11, lower portion steel plate 12, and it is anti-that top setback shoulder guard 11 is set to lower part
Protect the top of steel plate 12.
Further, reverse L type rigid support 4 is fixedly connected vertical including slope aspect rigid support, with slope aspect rigid support
Side slope lithosome 3 is fixed in the slope surface of 3 bottom of slope of side slope lithosome in rigid support, vertical rigid support lower end；Top wave
Roll over shoulder guard 11 with fixation with steel wire slope aspect rigid support towards Rolling Stone protection network 8, fixed anchor cable 9 side and it is vertical just
Property a upper lateral part of the pillar towards Rolling Stone protection network 8, fixed anchor cable 9, lower portion steel plate 12 is with fixation with steel wire in vertical rigidity
A side lower part of the pillar towards Rolling Stone protection network 8, fixed anchor cable 9.
The up-hill end of Rolling Stone protection network 8 is fixed on the second Short bolt 6 in upward slope side slope lithosome 3, other end steel wire
It is fixed on the vertical rigid support of reverse L type rigid support 4.Fixed anchor cable 9 is fixed on side slope lithosome 3 with the first Short bolt 5
In, the other end is fixed on the slope aspect rigid support of reverse L type rigid support 4, vertical rigid support junction.The reverse L type rigidity
On pillar 4, the fixed welding of angle bar 10 of the use of top setback shoulder guard 11 of slope aspect rigid support, vertical rigid support junction adds
Gu.
With fixation with steel wire on Rolling Stone protection network 8, waste tire 7 is several waste tires 7 with 7 neighbor distance of waste tire
50cm。
Rolling Stone protection network 8 is made of reinforced mesh overlap joint, and the size of reinforced mesh is 2m × 2m, two neighboring reinforced mesh
Lap of splice 20cm, the mesh of reinforced mesh are the rhombic quadrangles mesh of 10cm × 10cm.
Stone hole is preset on side slope lithosome 3, reverse L type rigid support 4 is embedded in 3 preset stone hole of side slope lithosome, reverse L
Depth of the type rigid support 4 in 3 stone hole of side slope lithosome is 0.5m, and reverse L type rigid support 4 exposes 3 stone hole of side slope lithosome
Length be 2.5m, extension 1m.
When in use, when explosion occurs for the blasting excavation region 1 at 3 top of side slope lithosome, the Rolling Stone that explosion generates carries
Larger kinetic energy is rolled along 3 slope surface of side slope lithosome to gliding, and a part of Rolling Stone can fall into stone dam ditch 2, and another part Rolling Stone is got over
When crossing Rolling Stone protection network 8 of the stone dam ditch 2 by being fixed with waste tire 7, waste tire 7 and Rolling Stone protection network 8 fully absorb rolling
Stone kinetic energy reduces the speed of Rolling Stone；Rolling Stone after deceleration can strike if still there is remaining kinetic energy and be fixed on reverse L type rigidly branch
Top setback shoulder guard 11 on column 4, top setback shoulder guard 11 can then fully absorb the remaining kinetic energy of Rolling Stone, make Rolling Stone
State is become stationary at, to realize that side slope explosion Rolling Stone carries out blocking protection of slowing down.
As shown in Figure 1, the device is by reverse L type rigid support 4, fixed anchor cable 9, Rolling Stone protection network 8, waste tire 7, top
Setback shoulder guard 11, lower portion steel plate 12, the first Short bolt 5, the second Short bolt 6, fixed angle bar 10 are composed.
In design, the ladder of bottom width 1m, depth 3m, top width 2m can be set on the slope close to blasting excavation region 1
Shape reserves stone dam 2, and reserved stone dam 2 is equivalent to first order protection.
In design, can 7 Rolling Stone protection network 8 of waste tire, Rolling Stone protection be set in 2 descending appropriate location of reserved stone dam
Net 8 and side slope surface angle are 15-35 degree, and 8 up-hill end of Rolling Stone protection network is fixed on the second Short bolt 6 on side slope lithosome 3,
In on reverse L type rigid support 4, arrangement and length are for other end fixation with steel wire：It is vertically arranged upwards from midpoint to midpoint
10—15cm.One end of fixed anchor cable 9 is connect with reverse L type rigid support 4, and the other end of fixed anchor cable 9 is solid with the first Short bolt 5
Due in side slope lithosome 3, fixed anchor cable 9 is tension.4 length 3m of reverse L type rigid support, slope aspect extension are 1m,
Depth of burying 0.5m is embedded on side slope lithosome 3, is fixed using concreting.
Top setback shoulder guard 11 is fixed on the upper half of reverse L type rigid support 4 by the way of steel reinforcement connection
Portion, lower portion steel plate 12 is same by the way of steel reinforcement connection, is fixed on the lower half of reverse L type rigid support 4.In reality
Under the condition of construction of border, the distribution proportion up and down of top setback shoulder guard 11 and lower portion steel plate 12 can appropriately adjust.
A diameter of 12mm of fixed anchor cable 9,5 length of the first Short bolt are 0.8m, and 6 length of the second Short bolt is 0.5m.
As shown in Fig. 2, waste tire 7 is that 50cm is fixed on Rolling Stone protection network 8 using steel wire equidistant placement with adjacent spacing
On, the reinforced mesh that the size of Rolling Stone protection network 8 is 2m × 2m overlaps, two neighboring reinforced mesh lap of splice 20cm,
Mesh is the rhombic quadrangles mesh of 10cm × 10cm.
As shown in figure 3, welding manner of the fixed angle bar 10 using manual electric arc welding, reinforcement of weld is in slope aspect and vertically upper
11 junction of portion's setback shoulder guard.
Claims (9)
- The blocking protective device 1. a kind of slope blasting Rolling Stone slows down, including side slope lithosome（3）, side slope lithosome（3）Top For blasting excavation region（1）, close to blasting excavation region（1）Side slope lithosome（3）Stone dam ditch is reserved at upward slope（2）； It is characterized in that：It further include reverse L type rigid support（4）, Rolling Stone protection network（8）, fixed anchor cable（9）, reverse L type rigid support（4） Lower end is fixed on close to side slope lithosome（3）The side slope lithosome of bottom of slope（3）In slope surface；The Rolling Stone protection network（8）Up-hill end be fixed on stone dam ditch（2）, reverse L type rigid support（4）Between side slope lithosome （3）On, the other end is fixed on reverse L type rigid support（4）It is upper；The fixed anchor cable（9）Stone dam ditch is fixed in one end（2）, rolling Stone protection network（8）Up-hill end between side slope lithosome（3）On, the other end and reverse L type rigid support（4）It is fixedly connected, Gu Determine anchor cable（9）For tension, and fixed anchor cable（9）With reverse L type rigid support（4）Fixed connection place be higher than Rolling Stone protection network （8）With reverse L type rigid support（4）Fixed connection place, fixed anchor cable（9）Positioned at Rolling Stone protection network（8）Upside；The Rolling Stone protection network（8）It is equipped with several waste tires（7）, reverse L type rigid support（4）Towards Rolling Stone protection network（8）、 Fixed anchor cable（9）Side be equipped with top setback shoulder guard（11）, lower portion steel plate（12）, top setback shoulder guard （11）It is set to lower portion steel plate（12）Top.
- The blocking protective device 2. a kind of slope blasting Rolling Stone according to claim 1 slows down, it is characterized in that：The reverse L type Rigid support（4）The vertical rigid support being fixedly connected including slope aspect rigid support, with slope aspect rigid support, vertical rigid support Lower end is fixed on close to side slope lithosome（3）The side slope lithosome of bottom of slope（3）In slope surface；The top setback shoulder guard（11）With fixation with steel wire in slope aspect rigid support towards Rolling Stone protection network（8）, fixed anchor Rope（9）Side and vertical rigid support towards Rolling Stone protection network（8）, fixed anchor cable（9）A upper lateral part, lower portion steel Plate（12）With fixation with steel wire in vertical rigid support towards Rolling Stone protection network（8）, fixed anchor cable（9）A side lower part.
- The blocking protective device 3. a kind of slope blasting Rolling Stone according to claim 2 slows down, it is characterized in that：The Rolling Stone is anti- Protecting wire net（8）The second Short bolt of up-hill end（6）It is fixed on upward slope slope rock mass（3）In, other end fixation with steel wire is in reverse L type Rigid support（4）Vertical rigid support on.
- The blocking protective device 4. a kind of slope blasting Rolling Stone according to claim 2 slows down, it is characterized in that：The fixed anchor Rope（9）With the first Short bolt（5）It is fixed on side slope lithosome（3）In, the other end is fixed on reverse L type rigid support（4）Slope aspect Rigid support, vertical rigid support junction.
- The blocking protective device 5. a kind of slope blasting Rolling Stone according to claim 2 slows down, it is characterized in that：The reverse L type Rigid support（4）On, slope aspect rigid support, vertical rigid support junction top setback shoulder guard（11）With fixed angle bar （10）Reinforcement of weld.
- The blocking protective device 6. a kind of slope blasting Rolling Stone according to claim 1 slows down, it is characterized in that：It is described several useless Old tire（7）With fixation with steel wire in Rolling Stone protection network（8）On, waste tire（7）With waste tire（7）Neighbor distance is 50cm.
- The blocking protective device 7. a kind of slope blasting Rolling Stone according to claim 1 slows down, it is characterized in that：The Rolling Stone is anti- Protecting wire net（8）It is made of reinforced mesh overlap joint, the size of reinforced mesh is 2m × 2m, the two neighboring reinforced mesh lap of splice 20cm, the mesh of reinforced mesh are the rhombic quadrangles mesh of 10cm × 10cm.
- The blocking protective device 8. a kind of slope blasting Rolling Stone according to claim 2 slows down, it is characterized in that：The side slope rock Shi Ti（3）On be preset with stone hole, reverse L type rigid support（4）Vertical rigid support be embedded to side slope lithosome（3）Preset stone hole In, reverse L type rigid support（4）Vertical rigid support in side slope lithosome（3）Depth in stone hole is 0.5m, vertical rigidity branch Column exposes side slope lithosome（3）The length in stone hole is 2.5m, slope aspect rigid support extension 1m.
- The blocking protective device pair 9. a kind of slope blasting Rolling Stone according to claim 1-8 any one claims slows down Slope blasting Rolling Stone, which slow down, stops the method for protection, it is characterized in that：When side slope lithosome（3）The blasting excavation region at top（1）Explosion occurs, the Rolling Stone that explosion generates carries larger kinetic energy Along side slope lithosome（3）Slope surface is rolled to gliding, and a part of Rolling Stone can fall into stone dam ditch（2）, another part Rolling Stone crosses stone dam Ditch（2）By being fixed with waste tire（7）Rolling Stone protection network（8）When, waste tire（7）With Rolling Stone protection network（8）Fully inhale The kinetic energy for receiving Rolling Stone, reduces the speed of Rolling Stone；Rolling Stone after deceleration can strike if still there is remaining kinetic energy and be fixed on reverse L type Rigid support（4）On top setback shoulder guard（11）, top setback shoulder guard（11）The surplus of Rolling Stone can then be fully absorbed Remaining kinetic energy, makes Rolling Stone become stationary at state, to realize that side slope explosion Rolling Stone carries out blocking protection of slowing down.
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| CN201810378576.XA CN108426499B (en) | 2018-04-25 | 2018-04-25 | Slope blasting rolling stone deceleration blocking protection device and method thereof |
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| CN201810378576.XA CN108426499B (en) | 2018-04-25 | 2018-04-25 | Slope blasting rolling stone deceleration blocking protection device and method thereof |
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|---|---|---|---|---|
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| JP2007100484A (en) * | 2005-10-07 | 2007-04-19 | Okumiya Kogyo:Kk | Falling stone guiding unit and falling stone safety net having the same |
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| US20140027695A1 (en) * | 2012-07-27 | 2014-01-30 | Duncan C. WYLLIE | Rockfall barrier |
| JP2014074311A (en) * | 2012-10-05 | 2014-04-24 | Fukasawa Komusho:Kk | Stone fall protective net and stone wall protection method |
| CN104034219A (en) * | 2014-06-05 | 2014-09-10 | 中钢集团马鞍山矿山研究院有限公司 | Control technology for preventing damage caused by blasting of rolling stones |
| JP2016069932A (en) * | 2014-09-30 | 2016-05-09 | 東京製綱株式会社 | Protective net against falling object and reinforcement method of the same |
| CN208269760U (en) * | 2018-04-25 | 2018-12-21 | 扬州大学 | A kind of slope blasting Rolling Stone deceleration blocking protective device |
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