CN109855499A - Double powder stick blasting methods, powder charge accurate positioning device and localization method - Google Patents
Double powder stick blasting methods, powder charge accurate positioning device and localization method Download PDFInfo
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Abstract
The present invention provides double powder stick blasting methods, powder charge accurate positioning device and localization method, can be avoided asymmetric damage effect, rock convergence measure is effectively reduced, and improve construction efficiency.Double powder stick blasting methods include: step 1. according to single powder stick blasting design method, determine blasting parameter；Step 2. determines the total charge of every group of double powder sticks according to single powder stick explosive payload, and selects corresponding double powder sticks；Step 3. determine powder stick center away from: by the center of two powder sticks in every group of double powder sticks away from being taken as 1~2 times of powder stick diameter；Step 4. is for each blasthole, according to blasthole diameter and powder stick center away from being installed using powder charge accurate positioning device to every group of double powder sticks, so that two powder sticks keep scheduled centers away from and being arranged symmetrically in blasthole in every group of double powder sticks；Step 5. constantly executes the installation operation of step 4, double powder sticks is installed in each blasthole, and trigger is arranged according to blasting parameter.
Description
Technical field
The invention belongs to presplit blasting engineering fields, and in particular to a kind of double powder stick blasting methods, powder charge are accurately positioned dress
It sets and localization method.
Technical background
As present widely applied blasting technique, it has the wall surface that can reduce out break amount, formation for presplit blasting
The advantages that smooth and reduction reserved area Rock Damage, thus it has highly importantly in engineering explosion project
Position.
Pre-splitting Blasting Technique is using cylindrical decoupling charge structure, and explosion energy is along radially uniform point of blasthole
Match, explosion crackle is dissipated along blasthole, and blasthole surrounding rock convergence measure is larger.Presplit blasting blasthole spacing is smaller simultaneously, boring work
Amount is big, at high cost, influences construction speed and construction quality.
Usual presplit blasting uses airspace axial direction Uncoincided charge, is realized by bundling powder stick on bamboo pole, powder stick is inclined
To certain side opening wall, or even certain side opening wall is directly contacted, forms asymmetric damage effect.And the position of powder stick is fixed more numb
It is tired, the position of powder stick directly affect after explosion at seam effect and broken situation.
Summary of the invention
The present invention is to carry out to solve the above-mentioned problems, and it is an object of the present invention to provide a kind of double powder stick blasting methods, powder charge
Accurate positioning device and localization method can be avoided asymmetric damage effect, and rock convergence measure is effectively reduced, and improve construction
Efficiency.
The present invention to achieve the goals above, uses following scheme:
<double powder stick blasting methods>
The present invention provides a kind of double powder stick blasting methods, which comprises the steps of: step 1. is according to single powder stick
Blasting design method determines blasting parameter；Step 2. determines every group of double powder stick according to the single powder stick explosive payload determined in step 1
Total charge；And corresponding double powder sticks are selected, the parameter of two powder sticks in every group of double powder sticks is identical；Step 3. is according to selection
Double powder sticks determine powder stick center away from: by the center of two powder sticks in every group of double powder sticks away from being taken as 1~2 times of powder stick diameter；Step
Rapid 4. for each blasthole, according to blasthole diameter and powder stick center away from, using powder charge accurate positioning device to every group of double powder sticks into
Row installation, so that two powder sticks keep scheduled centers away from and being arranged symmetrically in blasthole in every group of double powder sticks；Step 5. piece
According to blasting parameter, the installation operation of step 4 is constantly executed, double powder sticks are installed in each blasthole, and trigger is set.
Preferably, double powder stick blasting methods provided by the invention can also have the feature that single powder stick is referred in big gun
An independent powder stick is only set at the same depth location in hole, and double powder sticks refer to that two ginsengs are arranged at the same depth location of blasthole
The identical powder stick of number, in the blasting parameter that step 1 is determined according to single powder stick blasting design method, the parameter etc. of each list powder stick
It is same as the parameter of one group of double powder stick.
Preferably, double powder stick blasting methods provided by the invention can also have the feature that in step 3, and every group double
The center of two powder sticks is away from being taken as 1.2~1.5 times of powder stick diameter in powder stick.
<powder charge accurate positioning device>
Further, the present invention also provides a kind of powder charge accurate positioning devices characterized by comprising fixed cell, packet
Contain: upper fixing belt realizes the fastening to powder stick top by the sealed rear annulus size of adjusting for annular self-locking band；It is lower solid
Determine band, for annular self-locking band, sealed rear annulus size is adjusted, is realized by adjusting sealed rear annulus size under powder stick
The fastening in portion；And multiple elastic support sheets, it is mounted between fixing belt and lower fixing belt, and set evenly around powder stick
It sets, the both ends of each elastic support sheet are connected with upper fixing belt with lower fixing belt respectively；With two L shape directing plates, with blasthole
Size is corresponding, is symmetrically erected in blasthole, and each L shape directing plate includes: the traversing section being laterally arranged, and with the traversing section
It is connected and the longitudinal sections that longitudinally extend, and extends and run through the guiding groove of longitudinal sections bottom from traversing section to longitudinal sections bottom,
The width of guiding groove and the width of elastic support sheet are corresponding.
Preferably, powder charge accurate positioning device provided by the invention can also have the feature that elastic support sheet is equipped with
Four, each elastic support sheet flexibly supports the snap ring and upper fixing belt or lower fixing belt phase of leaf length by adjustable length
Even.
Preferably, powder charge accurate positioning device provided by the invention can also have the feature that elastic support sheet along diameter
To extending out the camber that arches upward, and the maximum outside diameter of arc is equal with blasthole diameter.
Preferably, powder charge accurate positioning device provided by the invention can also have the feature that the width of L shape directing plate
It is obtained according to blasthole diameter, powder stick diameter, fixed tape thickness and L shape directing plate THICKNESS CALCULATION:
In formula: a is the width of L shape directing plate, and R is blasthole radius, and r is powder stick radius, and h is fixed tape thickness, and z is L shape
The thickness of directing plate.
Preferably, it is more can also to have the feature that fixed cell is equipped with for powder charge accurate positioning device provided by the invention
It is a.
<localization method>
Correspondingly, accurate using above-mentioned < powder charge the present invention also provides a kind of double powder stick Uncoincided charge accurate positioning methods
Positioning device > described in powder charge accurate positioning device carry out powder charge positioning, which comprises the steps of: step I.
The powder charge accurate positioning device of corresponding size is selected according to blasthole diameter and double powder stick sizes to be installed；Step II. is by two L
Shape directing plate is symmetrically placed in blasthole along blasthole center line, so that the traversing section of L shape directing plate is erected on blasthole mouth outer, and
Guiding groove on traversing section coincides with blasthole line of centres, and longitudinal sections are goed deep into blasthole；Blasthole line of centres is the hole of adjacent shot hole
Line between mouth centre point；To be installed position of the step III. according to powder stick in blasthole, select corresponding size mounting bar and
Two powder sticks are fixed on mounting bar at position corresponding with the depth of position to be installed, and pass through spacing block by spacing block
Two powder sticks are made to keep scheduled centers away from then by upper and lower fixing belt by the fastening binding of two powder sticks, mounting bar and spacing block
Together；Step IV. stretches out each elastic support sheet, makes its camber that arches upward outward, and makes the maximum outside diameter and big gun of arc
Bore dia is equal, completes the charging operation of one group of double powder stick；If needing to carry out spaced loading in the step V. blasthole, repeat
Step III and IV are stated, is operated on the same mounting bar according to the installation that predetermined space is sequentially completed the double powder sticks of remaining each group；It is no
Then, it is directly entered step VI；Step VI. protrudes into mounting bar in blasthole after completing powder charge, and makes the double powder stick two sides of each group
Elastic support sheet be placed in the guiding groove of two L shape directing plates, then by the guiding function of elastic support sheet and guiding groove
So that mounting bar glides along blasthole center line, each double powder sticks are snapped down to therewith at the corresponding position to be installed in blasthole.
In addition, double powder stick Uncoincided charge accurate positioning methods provided by the invention can also have the feature that installation
Item is bamboo cane, and spacing block is wooden unit.
The action and effect of invention
Double powder stick blasting methods, powder charge accurate positioning device and localization method provided by the invention have the advantages that
(1) double powder sticks are arranged symmetrically in blasthole along blasthole center line, form eccentric charge constitution, and when explosion, double powder sticks were along big gun
Hole line of centres is distributed biggish Explosive Energy, and the Explosive Energy in vertical hole line of centres direction is relatively small, and the crackle that explodes is along blasthole
Line of centres is carried out, good at seam effect, can be effectively reduced rock convergence measure, avoids asymmetric damage effect, relative to single powder stick,
The spacing of wells is big, and can effectively prevent out break, improves construction efficiency, construction cost is effectively reduced.
(2) asymmetric damage effect is avoided, the construction problems such as the accurate positionin of double powder stick bias powder charge powder sticks is realized, mentions
For a kind of double powder stick blasting methods and its it is accurately positioned means for loading.The device can be according to the not coefficient of coup, different interval powder charge
Proportion adjustment realizes the accurate positionin of powder stick.
(3) powder charge accurate positioning device can realize quick-burning charge and the accurate positioning of double powder sticks, greatly save the construction time,
And is conducive to making full use of for explosion energy, obtains preferable blasting cracking effect.
(4) powder charge accurate positioning device is powerful, low in cost, it is easy to operate, it can be achieved that different powder stick diameters dress
Medicine, the powder charge of different powder stick positions, powder stick spacing-controllable, the vertical space ratio of powder stick is controllable, and it is straight to be suitable for different blastholes
Diameter.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of powder charge accurate positioning device involved in the embodiment of the present invention；
Fig. 2 is the usage state diagram of powder charge accurate positioning device involved in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of upper fixing belt involved in the embodiment of the present invention, wherein (a) is main view, it (b) is side
View (c) is usage state diagram；
Fig. 4 is the structural schematic diagram of elastic support sheet involved in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of snap ring involved in the embodiment of the present invention, wherein (a) is front view, it (b) is side view
Figure (c) is top view；
Fig. 6 is that double powder sticks are installed to the positional relationship into blasthole by powder charge accurate positioning device in the embodiment of the present invention
Schematic diagram.
Specific embodiment
Below in conjunction with attached drawing to double powder stick blasting methods, powder charge accurate positioning device and localization method of the present invention
Specific embodiment be described in detail.
<embodiment>
As shown in Figure 1, powder charge accurate positioning device 10 provided by the present embodiment includes that fixed cell 20 and two L shapes are drawn
Guide plate 30.
As illustrated in fig. 1 and 2, fixed cell 20 includes upper fixing belt 21, lower fixing belt 22 and four elastic support sheets 23.
Upper fixing belt 21 is annular self-locking band, realizes that double powder stick Y (include two sub- powder sticks by adjusting sealed rear annulus size
Y1) the fastening on top；As shown in figure 3, upper fixing belt 21 includes upper fixed band body 21a, upper fixing belt bayonet 21b and upper fixation
Portion 21c with teeth；The front end of upper fixed band body 21a is arranged in upper fixing belt bayonet 21b；Upper fixing belt ratchet clamping part 21c is located at
On the back segment of upper fixed band body 21a；Upper fixing belt ratchet clamping part 21c includes multiple latches, is able to enter fixing belt bayonet 21b
In, to be locked.As illustrated in fig. 1 and 2, lower fixing belt 22 is also annular self-locking band, big by adjusting sealed rear annulus
Fastening of the small realization to the lower part double powder stick Y, the specific structure of lower fixing belt 22 is identical as upper fixing belt 21, and which is not described herein again.
Four elastic support sheets 23 are mounted between fixing belt 21 and lower fixing belt 22, are arranged evenly around double powder stick Y.
The upper end of each elastic support sheet 23 passes through snap ring 24 and is connected with upper 21 adjustable length of fixing belt and lower end and lower fixation
Band 22 is fixedly linked；Also, elastic support sheet 23 radially extends out the camber that arches upward, and the maximum outside diameter of arc and blasthole are straight
Diameter is equal, to guarantee that double powder stick Y are placed in the middle.As shown in figure 4, in order to adjust the length of elastic support sheet 23 and the height that arches upward,
Elastic support sheet 23 is equipped with support chip stretch section 23a, correspondingly, being equipped with the support to match on snap ring 24 as shown in Figure 5
Piece bayonet 24a, support chip stretch section 23a sealed can be fixed after entering support chip bayonet 25, and can only be inside after latching
It stretches；In addition, as shown in figure 5, being equipped with the opening 24b for allowing fixing belt to pass through on snap ring 24；In the present embodiment, snap ring 24 links closely
In upper fixing belt, firmly slidably, guarantee that elastic support sheet 23 is arranged symmetrically in the periphery double powder stick Y.In addition, in the present embodiment
The elastic support sheet 23 of use is with certain rigidity, compressed on-deformable support chip, and smooth in appearance, convenient for setting
Enter in blasthole.
As shown in Figure 1, two L shape directing plates 30 are corresponding with the size of blasthole, for being symmetrically erected in blasthole.Each
L shape directing plate 30 comprising the traversing section 31 that is laterally arranged, and the longitudinal sections 32 for being connected with the traversing section 31 and longitudinally extending, with
And extend and run through the guiding groove 33 of 32 bottom of longitudinal sections from traversing section 31 to 32 bottom of longitudinal sections；In the present embodiment, guiding groove
33 groove width should be slightly bigger than the width of elastic support sheet 23, so that 23 arched part of elastic support sheet is disposed within, and along it
Sliding.In implementation process, L shape directing plate 30 should be made according to blasthole and the parameter of double powder stick Y.As shown in fig. 6, L shape is drawn
The width of guide plate 30 is obtained according to blasthole diameter, powder stick diameter, fixed tape thickness and 30 THICKNESS CALCULATION of L shape directing plate:
In above formula: a is the width of L shape directing plate 30, and R is blasthole radius, and r is the radius of sub- powder stick Y1, and h is that fixing belt is thick
Degree, z are the thickness of L shape directing plate 30.
The above are the specific structures of powder charge accurate positioning device 10, during actual use, it should be joined according to blasthole, powder stick etc.
Count the specific size to determine powder charge accurate positioning device 10.In addition, if blasthole diameter variation less, can use the dress of same size
It sets.In addition, this powder charge accurate positioning device 10 can be made of degradable non-poisonous harmful plastics.
Based on above structure, it is pinpoint that double powder stick Y Uncoincided charges are carried out using powder charge accurate positioning device 10
Method are as follows:
Step I. selects the powder charge of corresponding size to be accurately positioned dress according to blasthole diameter and double powder stick Y sizes to be installed
It sets；
Step II. symmetrically sets two L shape directing plates 30 along blasthole center line (longitudinal vertical line in Fig. 6 where the O of the center of circle)
In blasthole so that the traversing section 31 of L shape directing plate 30 is erected on blasthole mouth outer, and the guiding groove 33 on traversing section 31 with
Blasthole line of centres A coincides, and longitudinal sections 32 are goed deep into blasthole and are close to hole wall；Blasthole line of centres A is the aperture circle of adjacent shot hole
Line between heart point；
Step III. selectes mounting bar 40 and the isolation of corresponding size according to double to be installed positions of the powder stick Y in blasthole
Block 50 by two sub- powder stick Y1 on mounting bar 40 at position corresponding with the depth of position to be installed, and passes through spacing block
50 make two sub- powder stick Y1 keep scheduled centers away from then by upper and lower fixing belt 22 by two sub- powder stick Y1,40 and of mounting bar
The fastening of spacing block 50 binding is together；In the present embodiment, mounting bar 40 uses bamboo cane, and spacing block 50 uses wooden unit.
Step IV. stretches out each elastic support sheet 23, makes its camber that arches upward outward, and make the maximum outside diameter of arc with
Blasthole diameter is equal, completes the charging operation of one group of double powder stick Y；
If needing to carry out spaced loading in the step V. blasthole, repeat the above steps III and IV, in the same mounting bar
It is operated on 40 according to the installation that predetermined space is sequentially completed the double powder stick Y of remaining each group；I.e. by bamboo cane it is to be installed enter the blasthole
In the double powder stick Y or more of each group successively be spaced installation and connects, and be placed in blasthole.
Step VI. protrudes into mounting bar 40 in blasthole after completing powder charge, and makes the elasticity of the double two sides powder stick Y of each group
Support chip 23 is placed in the guiding groove 33 of two L shape directing plates 30, then passes through the guidance of elastic support sheet 23 and guiding groove 33
So that mounting bar 40 glides along blasthole center line, each double powder stick Y are snapped down to the corresponding position to be installed in blasthole therewith for effect
Place.
Further, in the present embodiment, above-mentioned double powder stick Y Uncoincided charge accurate positioning methods are based on, it is quick-fried to carry out double powder sticks
Broken method particularly includes:
Step 1. determines blasting parameter according to single powder stick blasting design method；Single powder stick is referred in the same depth of blasthole
An independent powder stick is only set at position, and double powder sticks refer to that the identical medicine of two parameters is arranged at the same depth location of blasthole
Volume；In the blasting parameter determined according to single powder stick blasting design method, the parameter of each list powder stick is equal to one group of double powder stick Y's
Parameter.
Step 2. determines the total charge of every group of double powder stick Y according to the single powder stick explosive payload determined in step 1；And it selects
The parameter of corresponding double powder sticks, two sub- powder stick Y1 in every group of double powder stick Y is identical；That is, being obtained according to the calculation formula of single powder stick
To after single powder stick explosive payload, it is divided into two, the explosive payload as every sub- powder stick Y1 in double powder stick Y.
Step 3. according to double powder stick Y of selection determine powder stick center away from: will be in every group of double powder stick Y in two sub- powder stick Y1
The heart is away from being taken as 1.5 times of sub- powder stick Y1 diameter；When powder stick distance it is too close, Mohaupt effect can be generated, when powder stick is apart from too far, explosive
Overlay can be undesirable.
Step 4. is for each blasthole, according to blasthole diameter and powder stick center away from right using powder charge accurate positioning device 10
Every group of double powder stick Y are installed, so that two sub- powder stick Y1 keep scheduled centers away from and in blasthole in every group of double powder stick Y
In be arranged symmetrically；
Step 5. constantly executes the installation operation of step 4 according to blasting parameter, and double powder stick Y are installed in each blasthole, and
Trigger is set.It in the present embodiment, is ignited, by powder stick, wooden unit, bamboo cane and can be led by upper and lower fixing belt using primacord
Quick-fried rope, which is tied up, to bind together；Primacord is best close to powder stick blasting effect close to powder stick.
Specifically, the performance of above-mentioned double powder stick blasting methods is illustrated by taking certain outdoor presplit blasting as an example.It should
The rock that outdoor presplit blasting is related to is hard stone, and the coefficient of coup does not take 2, drilling depth 20m, bore diameter 100mm, the spacing of wells
1.0m, using No. 2 rock emulsion explosives of powder stick diameter 25mm, powder stick length 200mm, powder stick quality 150g.Rule of thumb count
Value method, Deephole pre-splitting blasting choose 300~700g/m of linear charging density, this case history takes 600g/m, are filled using double powder stick Y
Medicine, every linear meter(lin.m.) 2 double powder stick Y powder charges.Blasthole bottom dose is reinforced, and linear charging density is 1200g/m, 4 sections in the 2m of blasthole bottom
Double powder stick Y are directly bound in bamboo cane, are put into blasthole, are 300g/m close to 1m position linear charging density parameter at the top of blocking section.
Actual implementation method:
Step 1: the means for loading of selection blasthole diameter 100mm, powder stick diameter 25mm.
Step 2: two L shape directing plates 30 are placed in blasthole along blasthole line of centres A.
Step 3: 4 powder stick bindings of bottommost are spaced 300mm in bamboo cane, repeat 4 powder stick bindings, bottommost
Powder charge is identical in 2m.
Step 4: interlude carries out powder charge according to linear charging density 600g/m, using double powder stick powder charges, according to design requirement,
Powder stick center is away from taking 37mm.Bamboo cane selects 3000mm × 50mm × 6mm to determine position of the powder stick in blasthole, preferred dimension
100mm × 50mm × 6mm wooden unit, is ignited using primacord, by upper and lower fixing belt by powder stick, wooden unit, bamboo cane and primacord
Binding is together.
Step 4: while adjusting the position of snap ring 24, guarantee that snap ring 24 is arranged symmetrically in 21 surrounding of fixing belt, in locking
Fixing belt 21 and lower fixing belt 22.
Step 5: tensile elasticity support chip 23 guarantees that 10 outer diameter of whole device is equal to blasthole diameter.
Step 6: all double powder stick Y powder charges repeat above-mentioned operation.1m bit line powder charge at the top of the close blocking section of topmost
Density is 300g/m, and powder stick is divided into two, using above-mentioned double powder stick loading method powder charges.
Step 7: the powder charge in binding, the powder stick bound are put in blasthole along the guiding groove 33 of L shape directing plate 30, powder charge
After the completion, L shape directing plate 30 is taken out.
Above embodiments are only the illustration done to technical solution of the present invention.Double powder sticks according to the present invention are quick-fried
Broken method, powder charge accurate positioning device and localization method are not merely defined in described content in the embodiment above,
But it is defined by the scope defined by the claims..What those skilled in the art of the invention were done on the basis of the embodiment
Any modify or supplement or equivalence replacement, all in claim range claimed of the invention.
Claims (10)
1. a kind of double powder stick blasting methods, which comprises the steps of:
Step 1. determines blasting parameter according to single powder stick blasting design method；
Step 2. determines the total charge of every group of double powder sticks according to the single powder stick explosive payload determined in step 1；And it selects corresponding
The parameter of double powder sticks, two powder sticks in every group of double powder sticks is identical；
Step 3. according to double powder sticks of selection determine powder stick center away from: by the center of two powder sticks in every group of double powder sticks away from being taken as medicine
1~2 times of coil diameter；
Step 4. is for each blasthole, according to blasthole diameter and powder stick center away from double to every group using powder charge accurate positioning device
Powder stick is installed, so that two powder sticks keep scheduled centers away from and being arranged symmetrically in blasthole in every group of double powder sticks；
Step 5. constantly executes the installation operation of step 4, double powder sticks is installed in each blasthole, and be arranged according to blasting parameter
Trigger.
2. double powder stick blasting methods according to claim 1, it is characterised in that:
Wherein, single powder stick refers to that an independent powder stick is only arranged at the same depth location of blasthole,
Double powder sticks refer to the identical powder stick of two parameters of setting at the same depth location of blasthole,
In the blasting parameter that step 1 is determined according to single powder stick blasting design method, the parameter of each list powder stick is equal to one group
The parameter of double powder sticks.
3. double powder stick blasting methods according to claim 1, it is characterised in that:
Wherein, in step 3, in every group of double powder sticks the center of two powder sticks away from being taken as 1.2~1.5 times of powder stick diameter.
4. a kind of powder charge accurate positioning device characterized by comprising
Fixed cell includes: upper fixing belt, for annular self-locking band, is realized by adjusting sealed rear annulus size to powder stick
The fastening on top；Sealed rear annulus size is adjusted for annular self-locking band in lower fixing belt, passes through and adjusts sealed rear annulus
Size realizes the fastening to powder stick lower part；And multiple elastic support sheets, it is mounted on fixed band and the lower fixing belt
Between, around powder stick be arranged, the both ends of each elastic support sheet respectively with fixed band and the lower fixing belt
It is connected；With
Two L shape directing plates, it is corresponding with blasthole size, it is symmetrically erected in blasthole, each L shape directing plate includes: laterally
The traversing section of setting, and the longitudinal sections for being connected with the traversing section and longitudinally extending, and from the traversing section to the longitudinal sections
Bottom extends and runs through the guiding groove of the longitudinal sections bottom, the width of the width of the guiding groove and the elastic support sheet
It is corresponding.
5. powder charge accurate positioning device according to claim 4, it is characterised in that:
Wherein, there are four the elastic support sheet is set, each elastic support sheet passes through adjustable length elastic support sheet
The snap ring of length is connected with upper fixing belt or lower fixing belt.
6. powder charge accurate positioning device according to claim 4, it is characterised in that:
Wherein, the elastic support sheet radially extends out the camber that arches upward, and the maximum outside diameter of arc is equal with blasthole diameter.
7. powder charge accurate positioning device according to claim 4, it is characterised in that:
Wherein, the width of the L shape directing plate is according to blasthole diameter, powder stick diameter, fixed tape thickness and L shape directing plate thickness gauge
It obtains:
In formula: a is the width of L shape directing plate, and R is blasthole radius, and r is powder stick radius, and h is fixed tape thickness, and z is the guidance of L shape
The thickness of plate.
8. powder charge accurate positioning device according to claim 4, it is characterised in that:
Wherein, the fixed cell is equipped with multiple.
9. a kind of double powder stick Uncoincided charge accurate positioning methods, using the essence of powder charge described in any one of claim 4 to 8
True positioning device carries out powder charge positioning, which comprises the steps of:
Step I. selects the powder charge accurate positioning device of corresponding size according to blasthole diameter and double powder stick sizes to be installed；
Two L shape directing plates are symmetrically placed in blasthole by step II. along blasthole center line, so that the lateral segment frame of L shape directing plate
It is located on blasthole mouth outer, and the guiding groove on traversing section coincides with blasthole line of centres, longitudinal sections are goed deep into blasthole；The big gun
Hole line of centres is the line between the aperture centre point of adjacent shot hole；
The mounting bar and spacing block of corresponding size are selected, by two in be installed position of the step III. according to powder stick in blasthole
Powder stick is fixed on mounting bar at position corresponding with the depth of position to be installed, and keeps two powder sticks by spacing block
Scheduled center away from, then by upper and lower fixing belt by two powder sticks, mounting bar and spacing block fastening binding together with；
Step IV. stretches out each elastic support sheet, makes its camber that arches upward outward, and keeps the maximum outside diameter of arc and blasthole straight
Diameter is equal, completes the charging operation of one group of double powder stick；
If needing to carry out spaced loading in the step V. blasthole, repeat the above steps III and IV, presses on the same mounting bar
The installation operation of the double powder sticks of remaining each group is sequentially completed according to predetermined space；Otherwise, it is directly entered step VI；
Step VI. protrudes into mounting bar in blasthole after completing powder charge, and the elastic support sheet of the double powder stick two sides of each group is set
In the guiding groove of two L shape directing plates, then by the guiding function of elastic support sheet and guiding groove make mounting bar along
Blasthole center line glides, and each double powder sticks are snapped down to therewith at the corresponding position to be installed in blasthole.
10. double powder stick Uncoincided charge accurate positioning methods according to claim 9, it is characterised in that:
Wherein, the mounting bar is bamboo cane, and the spacing block is wooden unit.
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|---|---|---|---|
| CN201910202360.2A CN109855499B (en) | 2019-03-18 | 2019-03-18 | Double-explosive-roll blasting method, charging accurate positioning device and positioning method |
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|---|---|---|---|
| CN201910202360.2A CN109855499B (en) | 2019-03-18 | 2019-03-18 | Double-explosive-roll blasting method, charging accurate positioning device and positioning method |
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| CN109855499A true CN109855499A (en) | 2019-06-07 |
| CN109855499B CN109855499B (en) | 2020-04-10 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110196003A (en) * | 2019-07-02 | 2019-09-03 | 河南理工大学 | A kind of deep hole blasting quick-burning charge device and loading method |
| CN110906821A (en) * | 2019-12-12 | 2020-03-24 | 惠州市兴鲁节能科技有限公司 | Deep hole blasting loaded constitution |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110196003A (en) * | 2019-07-02 | 2019-09-03 | 河南理工大学 | A kind of deep hole blasting quick-burning charge device and loading method |
| CN110196003B (en) * | 2019-07-02 | 2023-06-16 | 河南理工大学 | Deep hole blasting quick drug loading device and drug loading method |
| CN110906821A (en) * | 2019-12-12 | 2020-03-24 | 惠州市兴鲁节能科技有限公司 | Deep hole blasting loaded constitution |
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| CN109855499B (en) | 2020-04-10 |
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Inventor after: Xu Kun Inventor after: Li Xinping Inventor after: Li Yiyang Inventor after: Song Kaiwen Inventor after: Wang Gang Inventor after: Wang Yang Inventor before: Wang Mingyang Inventor before: Xu Kun Inventor before: Li Xinping Inventor before: Li Yiyang Inventor before: Song Kaiwen Inventor before: Wang Gang Inventor before: Wang Yang |