CN108257484A - A kind of opencut rock step pinpoint blasting laboratory simulation device - Google Patents
A kind of opencut rock step pinpoint blasting laboratory simulation device Download PDFInfo
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- CN108257484A CN108257484A CN201810066024.5A CN201810066024A CN108257484A CN 108257484 A CN108257484 A CN 108257484A CN 201810066024 A CN201810066024 A CN 201810066024A CN 108257484 A CN108257484 A CN 108257484A
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- protective cover
- platform base
- steel columns
- test specimen
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
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Abstract
The present invention provides a kind of opencut rock step pinpoint blasting laboratory simulation device, and the simulator includes：Platform base plays a supportive role；Simulation rock step test specimen is arranged on platform base, and multiple blastholes are also arranged on the upper surface of simulation rock step test specimen, and multiple blastholes are used to load explosive；More steel columns are vertical to be arranged on platform base, and more steel columns are arranged at intervals along the circumferential edges of platform base upper surface；Protective cover is arranged on platform base, and protective cover is close to the outside setting of more steel columns, and protective cover surrounds the vertical direction of platform base superjacent air space.The simulator of the present invention is simple in structure, easy to operate, more science, system, step pinpoint blasting parameter can more accurately be optimized, improve effective throwing rate and the control quick-fried heap form of pinpoint blasting, and then it saves production cost and improves follow-up equipment operating efficiency, Construction Arrangement for opencut more science provides direction, available promoting the use of energetically.
Description
Technical field
The invention belongs to rock step pinpoint blasting experimental facilities, and in particular to a kind of opencut rock step pinpoint blasting
Laboratory simulation device.
Background technology
Open coal mine pinpoint blasting lift-off technology, generally use large aperture, big explosive payload, do not couple dress at the high step of deep hole
The measures such as medicine, using the energy that explosive charge generates by part rock throwing to goaf without adopting the standby movement of installing.This portion
The rock point being cast to goaf is known as effective throwing amount, is known as effective throwing rate with the ratio between total shot rock amount, is weighing apparatus
Measure one of important indicator of pinpoint blasting effect.On the other hand, pinpoint blasting technology is only a part for production technology link, must
Equipment coordinating operation must be adopted with other strippings, after pinpoint blasting quick-fried heap form be influence follow-up equipment operating efficiency an important factor for,
It is the pass saved production cost and improve follow-up equipment operating efficiency to improve effective throwing rate and control the quick-fried heap form of pinpoint blasting
Key approach.Obviously, step pinpoint blasting parameter plays an important role to effective throwing rate and the quick-fried heap form of pinpoint blasting, needs to platform
Rank pinpoint blasting parameter optimizes research.
Since scene progress pinpoint blasting has, onepull amount is big, blasting cost is high, can not pass through the multiple throwing in scene
Implementation of blasting obtains best pinpoint blasting parameter, and to carry out similar physical analogy in laboratory then have at low cost, similitude
The features such as degree is high makes up the deficiency of field experiment.
Therefore, how system, science propose that a kind of opencut rock step pinpoint blasting laboratory simulation device is very
Significant.
Invention content
It is best to obtain the purpose of the present invention is overcoming the above-mentioned prior art that can not implement by live repeatedly pinpoint blasting
The deficiencies of pinpoint blasting parameter and test of many times of high cost, proposes a kind of opencut rock step pinpoint blasting laboratory simulation dress
It puts.
To achieve these goals, the present invention provides following technical solution：
A kind of opencut rock step pinpoint blasting laboratory simulation device, the simulator include：
Platform base, the platform base play a supportive role；
Simulation rock step test specimen, the simulation rock step test specimen are arranged on the platform base, and in the mould
Intend also arranging multiple blastholes on the upper surface of rock step test specimen, multiple blastholes are used to load explosive；
More steel columns, the more steel columns are vertical to be arranged on the platform base, and the more steel columns are along institute
The circumferential edges for stating platform base upper surface are arranged at intervals；
Protective cover, the protective cover are arranged on the platform base, and the protective cover is close to more steel columns
Outside is set, and the protective cover surrounds the vertical direction of the platform base superjacent air space.
In simulator as described above, it is preferable that the more steel columns are connected with the protective cover by fastener
Fixation is connect, and the lower end of the more steel columns is fixed on the platform base.
In simulator as described above, it is preferable that the fastener is bolt；It is provided on the more steel columns multiple
Bolt hole；It is close to also be provided with multiple bolts hole accordingly on the protective cover of the more steel columns；By the more steel columns
On bolt hole and the corresponding protective cover on bolt hole fixation is attached by bolt.
In simulator as described above, it is preferable that the quantity of the more steel columns is 8, and 8 steel columns are vertical
Be arranged on the platform base.
In simulator as described above, it is preferable that the steel column is solid square steel.
In simulator as described above, it is preferable that the protective cover is prevented by the first protective plate, the second protective plate, third
Shield meal and the 4th protective plate are sequentially connected the side wall for being surrounded by the protective cover.
In simulator as described above, it is preferable that the material of the protective cover is armorplate glass, conducive to described in observation
The explosion situation of simulation rock step test specimen.
In simulator as described above, it is preferable that further include：5th protective plate；5th protective plate is located at described
The top of protective cover, and the top of the more steel columns is connect with the 5th protective plate, the inner space of the protective cover is
One closed separate space.
In simulator as described above, it is preferable that the simulation rock step test specimen is arranged on the platform base
The side of upper surface, and it is provided with through-hole on the protective cover close to the simulation rock step test specimen；The simulation rock
The blasthole of multiple filling explosives on Shitai County's rank test specimen carries out hole pattern line by certain arrangement connection mode；The hole pattern connects
Line is connect by the through-hole set on the protective cover with the priming device outside the protective cover.
In simulator as described above, it is preferable that high-speed camera is provided on the outer surface of the protective cover, is used
In the overall process of record detection pinpoint blasting, convenient for analysis of the staff to experimentation.
Compared with the immediate prior art, technical solution provided by the invention has the advantages that：
1st, the present invention carries out opencut rock step pinpoint blasting analog simulation using laboratory, is swashed using high-precision three-dimensional
The equipment such as photoscanner, high-speed motion picture camera, monitoring of blasting vibration system are monitored experimentation and obtain related data, into
And it is determined between blasting parameter and effective throwing rate and the quick-fried heap form of pinpoint blasting by related analysis software and theoretical analysis method
Correlativity, experiment law can be adapted for opencut scene step pinpoint blasting Parameters Optimal Design.
2nd, laboratory simulation apparatus structure of the invention is simple, easy to operate, more science, system, can be more accurate excellent
Change step pinpoint blasting parameter, improve effective throwing rate and the control quick-fried heap form of pinpoint blasting, and then save production cost and carry
High follow-up equipment operating efficiency, the Construction Arrangement for opencut more science provide direction, available promoting the use of energetically.
Description of the drawings
Fig. 1 is the opencut rock step pinpoint blasting laboratory simulation apparatus structure schematic diagram in the embodiment of the present invention.
In figure：The first protective plates of 1-；The second protective plates of 2-；3- third protective plates；The 4th protective plates of 4-；5- priming devices；
6- hole pattern lines；7- protective covers；8- platform bases；9- steel columns；10- fasteners；11- simulation rock step test specimens.
Specific embodiment
The technical solution in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only the part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is general
Logical technical staff's all other embodiments obtained, shall fall within the protection scope of the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.It should be noted that in the feelings not conflicted
Under condition, the feature in embodiment and embodiment in the application can be combined with each other.
As shown in Figure 1, specific embodiments of the present invention provide a kind of opencut rock step pinpoint blasting laboratory simulation
Device, the simulator include：Platform base 8, platform base 8 play a supportive role；Simulation rock step test specimen 11, simulation rock
Step test specimen 11 is arranged on platform base 8, and also arranges multiple blastholes on the upper surface of simulation rock step test specimen 11, more
A blasthole is used to load explosive；More steel columns 9, more steel columns 9 are vertical to be arranged on platform base 8, and more steel columns 9 along
The circumferential edges of 8 upper surface of platform base are arranged at intervals；Protective cover 7, protective cover 7 are arranged on platform base 8, and protective cover 7 is tight
The outside setting of more steel columns 9 is pasted, protective cover 7 surrounds the vertical direction of 8 superjacent air space of platform base.In the present invention
More steel columns 9 are specifically meant that above platform base 8 vertically along what the circumferential edges interval of 8 upper surface of platform base was set
According to there are more steel columns 9, there is certain spacing distance between more steel columns 9, and more steel columns 9 are enclosed along platform base 8 is circumferential
Into a circle, and it is located proximate at the circumferential edges of platform base 8 where more steel columns 9.
For the ease of installing the simulation rock step test specimen 11, steel column 9 on platform base 8, platform base 8 is a water
Average.More preferably, the section of the platform base 8 is T-shaped.
More steel columns 9 and protective cover 7 are attached fixation by fastener 10, and the lower end of more steel columns 9 be fixed on it is flat
On platform pedestal 8.Preferably, fastener 10 is bolt.Specially：Multiple bolts hole are provided on more steel columns 9；It is close to more steel
It is also provided with multiple bolts hole accordingly on the protective cover 7 of column 9；By the bolt hole and corresponding protective cover 7 on more steel columns 9
On bolt hole fixation is attached by bolt.
In order to make protective cover 7 is more stable to be arranged on platform base 8, the quantity of more steel columns 9 is 8, and 8 steel
Column 9 is vertical to be arranged on platform base 8, and the lateral surface that protective cover 7 is close to 8 steel columns 9 is configured.
In the present invention, steel column 9 plays the role of fixed support, need to meet the stability that can keep experimental rig and
Intensity requirement.Preferably, steel column 9 is hollow steel or single solid steel.It is further preferred that steel column 9 is solid square steel.
Preferably, the protective cover 7 in the present invention is dismountable protective device.Protective cover 7 is by the first protective plate 1, second
Protective plate 2, third protection meal and the 4th protective plate 4 are sequentially connected the side wall for being surrounded by protective cover 7.
More preferably, it further includes：5th protective plate；5th protective plate is located at the top of protective cover 7, and more steel columns 9
Top is connect with the 5th protective plate, and the inner space of protective cover 7 is a closed separate space.
In the present invention, simulation rock step test specimen 11 is arranged on the side of the upper surface of platform base 8, and by near-lying mode
Intend being provided with through-hole on the protective cover 7 of rock step test specimen 11；The big gun of multiple filling explosives on simulation rock step test specimen 11
Hole carries out hole pattern line 6 by certain arrangement connection mode；Hole pattern line 6 by the through-hole that is set on protective cover 7 with outside protective cover 7
The priming device 5 in portion connects.As shown in Figure 1, simulation rock step test specimen 11 is arranged on the left side of the upper surface of platform base 8,
Through-hole is provided on the first protective plate 1.
In the present invention, protective cover 7 is fixed on steel column 9, and the size of protective cover 7 will be with the setting of steel column 9
Match.Protective cover 7 is needed with the impact that can resist explosion test specimen fragment, the characteristic that intensity is enough, non-breakable.Protective cover
7 material is preferably armorplate glass, conducive to the explosion situation of observation simulation rock step test specimen 11.It is it is further preferred that anti-
The material of shield 7 is the shellproof organic glass of tempering.More preferably, high-speed camera is provided on the outer surface of protective cover 7, is used
In the overall process of record detection pinpoint blasting, convenient for analysis of the staff to experimentation.
In the present invention, platform base 8 is preferably dimensioned to be 1.5m*1.2m.
To sum up, 8 solid square steel in the present invention are equally spaced perpendicular to 8 edge of platform base and by screwing
Bolt is fixed on platform base 8, by armorplate glass respectively close to fixed solid square steel vertical on 8 each side of platform base,
It is inserted into screwing bolts tempered glass is fixed on solid square steel, and also can again be fixed with same method at the top of 8 solid square steel
One armorplate glass, such protective cover 7 are to form an independent space of closing, are used for rock pinpoint blasting, and can play
Protective effect.
For a further understanding of simulator provided by the invention, the present invention is to carrying out rock step pinpoint blasting experiment
Specific implementation step is further elucidated above, and implementation steps are as follows：
(1) solid square steel is separately mounted on platform base 8, and the first protective plate 1, the second protective plate 2, third is prevented
3 and the 4th protective plate 4 of backplate is pressed relevant position installation in Fig. 1 and is fixed, and forms concave shaped space；
(2) similar material mixture (simulation rock step test specimen 11) is carried out according to opencut Test in Situ property to be simulated,
And it is overlay to be formed on platform according to step parameter and treats quick-fried analog material test specimen；
(3) it is molded and after drying after material for test, carries out blasthole according to the blasting parameter being pre-designed, powder charge, line are set
Count into hole pattern line 6, the through-hole on the first protective plate 1 can realize the connection of blast hole and the priming device 5 outside device；
(4) the 5th protective plate is installed on device top again, and the 5th protective plate is mounted on solid square steel and screws, is formed
Confined space；
(5) high-speed motion picture camera is placed in 2 outside of the second protective plate for monitoring pinpoint blasting process；
(6) after the completion of experiment to be blasted, explosion form is scanned using three-dimensional laser scanner and passes through computer
Software forms polar plot, so as to which staff analyzes experimental data, preferably goes out accurate step pinpoint blasting parameter, carries
High effectively throwing rate and the control quick-fried heap form of pinpoint blasting.
In conclusion the present invention has the following technical effect that：
1st, the present invention carries out opencut rock step pinpoint blasting analog simulation using laboratory, is swashed using high-precision three-dimensional
The equipment such as photoscanner, high-speed motion picture camera, monitoring of blasting vibration system are monitored experimentation and obtain related data, into
And it is determined between blasting parameter and effective throwing rate and the quick-fried heap form of pinpoint blasting by related analysis software and theoretical analysis method
Correlativity, experiment law can be adapted for opencut scene step pinpoint blasting Parameters Optimal Design.
2nd, laboratory simulation apparatus structure of the invention is simple, easy to operate, more science, system, can be more accurate excellent
Change step pinpoint blasting parameter, improve effective throwing rate and the control quick-fried heap form of pinpoint blasting, and then save production cost and carry
High follow-up equipment operating efficiency, the Construction Arrangement for opencut more science provide direction, available promoting the use of energetically.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God and principle within, any modification, equivalent replacement, improvement and so on, accompanying claims protection domain of the present invention it
It is interior.
Claims (7)
1. a kind of opencut rock step pinpoint blasting laboratory simulation device, which is characterized in that the simulator includes：
Platform base, the platform base play a supportive role；
Simulation rock step test specimen, the simulation rock step test specimen are arranged on the platform base, and in the simulation rock
Multiple blastholes are also arranged on the upper surface of Shitai County's rank test specimen, multiple blastholes are used to load explosive；
More steel columns, the more steel columns are vertical to be arranged on the platform base, and the more steel columns are along described flat
The circumferential edges of platform base upper surface are arranged at intervals；
Protective cover, the protective cover are arranged on the platform base, and the protective cover is close to the outside of the more steel columns
Setting, the protective cover surround the vertical direction of the platform base superjacent air space；
The protective cover is sequentially connected by the first protective plate, the second protective plate, third protection meal and the 4th protective plate and is surrounded by institute
State the side wall of protective cover；
The material of the protective cover is armorplate glass, conducive to the explosion situation of the simulation rock step test specimen is observed；Institute
It states and high-speed camera is provided on the outer surface of protective cover, for recording the overall process of detection pinpoint blasting, convenient for staff
Analysis to experimentation.
2. simulator as described in claim 1, which is characterized in that the more steel columns pass through fastener with the protective cover
Fixation is attached, and the lower end of the more steel columns is fixed on the platform base.
3. simulator as claimed in claim 2, which is characterized in that the fastener is bolt；
Multiple bolts hole are provided on the more steel columns；It is close on the protective cover of the more steel columns also corresponding setting
There are multiple bolts hole；By the bolt hole on the bolt hole on the more steel columns and the corresponding protective cover by bolt into
Row connection is fixed.
4. simulator as claimed in claim 1 or 2, which is characterized in that the quantity of the more steel columns is 8, and 8 institutes
State that steel column is vertical to be arranged on the platform base.
5. simulator as described in claim 1, which is characterized in that the steel column is solid square steel.
6. simulator as described in claim 1, which is characterized in that further include：5th protective plate；
5th protective plate is located at the top of the protective cover, and the top of the more steel columns connects with the 5th protective plate
It connects, the inner space of the protective cover is a closed separate space.
7. simulator as described in claim 1, which is characterized in that
The simulation rock step test specimen is arranged on the side of the upper surface of the platform base, and close to the simulation rock
Through-hole is provided on the protective cover of step test specimen；
The blasthole of multiple filling explosives on the simulation rock step test specimen on the protective cover by described in setting
Through-hole is connect with the priming device outside the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066024.5A CN108257484A (en) | 2018-01-15 | 2018-01-15 | A kind of opencut rock step pinpoint blasting laboratory simulation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066024.5A CN108257484A (en) | 2018-01-15 | 2018-01-15 | A kind of opencut rock step pinpoint blasting laboratory simulation device |
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| CN108257484A true CN108257484A (en) | 2018-07-06 |
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| CN201810066024.5A Pending CN108257484A (en) | 2018-01-15 | 2018-01-15 | A kind of opencut rock step pinpoint blasting laboratory simulation device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270243A (en) * | 2018-07-26 | 2019-01-25 | 重庆交通大学 | Frozen-soil Blasting model assay systems and its test method |
| CN109813617A (en) * | 2019-01-18 | 2019-05-28 | 中国矿业大学(北京) | A kind of experimental method of quantitative analysis rock blasting damnification |
| CN113284241A (en) * | 2021-03-11 | 2021-08-20 | 广东锡源爆破科技股份有限公司 | Three-dimensional simulation method for surface rock mass of blasting pile with pile shape distributed in Weibull mode |
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| CN103424221A (en) * | 2013-03-27 | 2013-12-04 | 常州大学 | Method and device for measuring explosion shock wave energy of combustible gas |
| CN103968809A (en) * | 2014-04-16 | 2014-08-06 | 中钢集团马鞍山矿山研究院有限公司 | Test method for distribution rule of open blast flying stones of mine |
| CN206258307U (en) * | 2016-11-30 | 2017-06-16 | 上海孤蓬机械科技有限公司 | A kind of use for laboratory bursting test machine |
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| CN103226912A (en) * | 2013-03-27 | 2013-07-31 | 山东大学 | Device for simulating bursting rolling of dangerous rock bodies on geotechnical engineering slope and using method |
| CN103424221A (en) * | 2013-03-27 | 2013-12-04 | 常州大学 | Method and device for measuring explosion shock wave energy of combustible gas |
| CN103968809A (en) * | 2014-04-16 | 2014-08-06 | 中钢集团马鞍山矿山研究院有限公司 | Test method for distribution rule of open blast flying stones of mine |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270243A (en) * | 2018-07-26 | 2019-01-25 | 重庆交通大学 | Frozen-soil Blasting model assay systems and its test method |
| CN109270243B (en) * | 2018-07-26 | 2021-11-30 | 重庆交通大学 | Frozen soil blasting model test system and test method thereof |
| CN109813617A (en) * | 2019-01-18 | 2019-05-28 | 中国矿业大学(北京) | A kind of experimental method of quantitative analysis rock blasting damnification |
| CN109813617B (en) * | 2019-01-18 | 2020-07-31 | 中国矿业大学(北京) | Experimental method for quantitatively analyzing rock blasting damage |
| CN113284241A (en) * | 2021-03-11 | 2021-08-20 | 广东锡源爆破科技股份有限公司 | Three-dimensional simulation method for surface rock mass of blasting pile with pile shape distributed in Weibull mode |
| CN113284241B (en) * | 2021-03-11 | 2022-03-15 | 广东锡源爆破科技股份有限公司 | Three-dimensional simulation method for surface rock mass of blasting pile with pile shape distributed in Weibull mode |
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Application publication date: 20180706 |
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