CN102735125A - Downward blast hole plugging device and plugging method - Google Patents
Downward blast hole plugging device and plugging method Download PDFInfo
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- CN102735125A CN102735125A CN2012102257374A CN201210225737A CN102735125A CN 102735125 A CN102735125 A CN 102735125A CN 2012102257374 A CN2012102257374 A CN 2012102257374A CN 201210225737 A CN201210225737 A CN 201210225737A CN 102735125 A CN102735125 A CN 102735125A
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Abstract
The invention discloses a downward blast hole plugging device and a plugging method. The plugging device comprises a main rod and a rod rack which comprises a plurality of supporting rods which are radially hinged on the main rod and has a folded-umbrella first state and an unfolded-umbrella second state, wherein the rod rack has a trend of changing from the first state to the second state under the effect of gravity, and when the rod rack is in the second state, the outer diameter of an umbrella opening is larger than the diameter of a downward blast hole. The plugging method comprises the steps that the rod rack of the plugging device in the first state is lowered down into the blast hole and the rod rack in the second state plugs the lower orifice of the blast hole. The plugging device and the plugging method provided by the invention have better adaptability to the gradient of the blast hole; the plugging effect is reliable and the problem that the uncharged length is too large due to over-pulling can be solved; and the downward lowering resistance in the blast hole is small and the influence of local hole collapse is avoided.
Description
Technical field
The present invention relates to a kind of can be from down transferring to blocking device and the obstruction method that stops up lower end, big gun hole in the hole exactly to the aperture, top in big gun hole.
Background technology
When metal mine adopts large diameter, deep borehole layering ore caving or large diameter, deep borehole lateral caving to carry out explosion, the big gun hole be vertical down to the hole or under tilting to the hole, the bottom in big gun hole penetrates ore body and communicates with undercut dead zone or goaf.
When carrying out the powder charge construction, need to descend lower end to stop up, do not fall into the dead zone so that when powder charge, guarantee explosive, and keep certain no medicine section in lower end, big gun hole to the big gun hole.Implement to stop up big gun hole operation owing to can not get into the dead zone, thus the construction operation that stops up the big gun hole with keep not having accurately the medicine section and become down a difficult problem to the blast hole projectile filling construction.
At present, the plug-hole mode and the utensil of the practical application in the mine both at home and abroad are to adopt cloth bag to pack into to retract aperture, big gun hole plug bottom again after sandstone are transferred to bottom, big gun hole through rope along the big gun hole, form obstruction and do not have the medicine section yet in the big gun hole, insert sandstone again.
This mode and utensil thereof have utilized the prose style free from parallelism effect of packed sandstone, and after sand pocket passed entering dead zone, big gun hole, slump downwards made the sand pocket diameter become big owing to lost the constraint of hole wall, can stop up the big gun hole when in the big gun hole, retracting.Yet; Produce bigger resistance along hole wall when sand pocket is transferred in the hole, when for example inclination angle, big gun hole is spent less than 70 in the less big gun hole in angling hole and aperture or aperture, big gun hole is very difficult under less than the 120mm condition transfers to lower end, big gun hole smoothly, in addition; Sand pocket takes place easily all to be drawn in and is caused in the hole that loaded length is not excessive; Meet the part pore volume that collapses and be prone to be stuck, at present, the plug-hole problem to the big gun hole never solves well to tilting down both at home and abroad.
Summary of the invention
It is a kind of down to big gun hole plug device that the object of the invention is to provide, to realize from transferring in the hole and stop up lower end, big gun hole exactly to the aperture, top in big gun hole down.The present invention also aims to provide a kind of down to blasthole blocking up method.
For this reason, it is a kind of down to big gun hole plug device that one aspect of the present invention provides, and comprising: mobile jib; Bridge; Comprise and be the radial a plurality of poles that are hinged on the mobile jib; Have first state that is the umbrella gathering and be second state that umbrella is opened; Wherein, bridge has under the gravity effect from the trend of first state to second state variation, and the external diameter of bridge umbrella opening when second state is greater than down to the aperture in big gun hole.
Further, above-mentionedly down comprise also that to big gun hole plug device flexible resistance leaks cover, flexible resistance is leaked cover and is covered on the bridge.
Further, above-mentioned bridge is provided with hook, is fixedly installed on the pole, and the opening of hook is towards the outboard end away from mobile jib of bridge.
Further, above-mentioned bridge when first state umbrella opening umbrella opening is down up and when second state.
Further; Also be included in first hinged disk and second hinged disk that is provided with respectively on the mobile jib to big gun hole plug device under above-mentioned; Bridge also comprises the interior bar of corresponding setting with each pole; One end of interior bar is connected with respect to pole with the other end of interior bar with first hinged disk is hinged slidably, and the lower end of pole and second hinged disk are hinged.
Further, an end of above-mentioned interior bar is hinged with the collar, and cover is located on the pole.
Further, the rotational angle of above-mentioned pole is 150 degree.
Further, above-mentioned mobile jib is steel pipe or sticking plaster, and interior bar is a length greater than down to the reinforcing bar or the sticking plaster of big gun pore radius, and pole is reinforcing bar or the sticking plaster of length greater than aperture, big gun hole.
According to a further aspect in the invention, provide a kind of, having comprised: be described in the above down to hanging weight on the bridge of big gun hole plug device and stay cord being connected on the mobile jib of blocking device down to the obstruction method in big gun hole; Utilize stay cord to make blocking device transfer to the aperture, bottom from following to the aperture, top in big gun hole together with weight; And when blocking device following transferring in the big gun hole pull back when resistance reduces suddenly stay cord with under the shutoff to the aperture, bottom in big gun hole.
Compare with the sand pocket of prior art, the resistance that blocking device of the present invention receives when in the big gun hole, moving down significantly reduces, thereby stronger to the adaptability in big gun hole gradient and aperture, and the inclination angle can be reduced to 50 degree.Stop up reliable for effectly, can avoid drawing causing the not excessive problem of loaded length; Transfer resistance in the big gun hole and reduce, do not receive the collapse influence in hole of part.
Except top described purpose, characteristic and advantage, other purpose, characteristic and advantage that the present invention has are with combining accompanying drawing to do further detailed explanation.
Description of drawings
Constitute this specification a part, be used for further understanding accompanying drawing of the present invention and show the preferred embodiments of the present invention, and be used for explaining principle of the present invention with specification.Among the figure:
Fig. 1 shows according to of the present invention and in the big gun hole, transfers residing state in the process to big gun hole plug device down;
Fig. 2 shows according to of the present invention down to the plane projection sketch map of big gun hole plug device in the big gun hole;
Fig. 3 shows according to of the present invention and is in the state that stops up the big gun hole to big gun hole plug device down; And
Fig. 4 shows according to following modification structures to big gun hole plug device of the present invention.
Description of reference numerals
10 mobile jibs, 20 bridges
Aperture, 51 bottom, 50 big gun holes
11 first hinged disks, 12 second hinged disks
23 hooks, 24 collars.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
The typical application of downward big gun hole plug device of the present invention is that shutoff is carried out in lower end, big gun hole.
Fig. 1 to Fig. 3 shows the structure according to downward big gun hole plug device of the present invention.In conjunction with referring to Fig. 1 to Fig. 3, blocking device comprises that mobile jib 10, bridge 20, flexible resistance leak cover 30 and stay cord 40.
Mobile jib 10 is a rod member with certain rigidity, stay cord 40 be one have certain resistance to tension flexible strand or iron wire, stay cord 40 is strapped on the mobile jib 10.Flexible resistance leakage cover 30 is fixed and covers on the bridge 20, stops thin material seepage, can be net or cloth.
When blocking device is in the process of transferring in the big gun hole; The interior bar 21 of bridge 20 constitutes the umbrella that opening makes progress with pole 22; Receive the constraint of hole wall; The opening of bridge 20 makes progress all the time, can make blocking device in the big gun hole of inclination angle greater than 50 degree, transfer to lower end, big gun hole smoothly and get into the dead zone by the effect of gravity.After blocking device penetrated entering dead zone, big gun hole, the bridge pole 22 of blocking device had lost the constraint of hole wall, is outwards opened at gravity effect lower fulcrum bar, slides onto the position of being obstructed up to interior bar, keeps the umbrella that Open Side Down.
Because the diameter that bridge is opened greater than aperture, big gun hole, gets final product the aperture, bottom in shutoff big gun hole behind the blocking device of pulling back, after being fixed, stay cord can fill prose style free from parallelism tamper and filling explosive.
Embodiment one
Mobile jib 10 is an external diameter 15mm to 25mm, the steel pipe of length 200mm to 400mm, its end and middle appropriate location be provided be connected in first hinged disk and second hinged disk that is connected pole of bar.
Embodiment two
Mobile jib is a diameter 15mm to 25mm, the sticking plaster of length 200mm to 400mm, its end and middle appropriate location be provided be connected in the hinged disk of bar and pole.
Bridge is made up of 8 groups of bar groups.Wherein interior bar is diameter 8mm to 15mm, the length sticking plaster greater than the big gun pore radius, and pole is diameter 8mm to 15mm, the length sticking plaster greater than aperture, big gun hole.On pole, be provided with hook; The hinged collar of one end of interior bar, socket pole also can be along the pole slippage.One end and the mobile jib of the other end of interior bar and pole are hinged, can in 150 degree scopes of one degree of freedom, rotate.Resistance is leaked cover and is flexible cloth, and stay cord is nylon rope or iron wire.
Fig. 4 shows following modification structures to big gun hole plug device shown in Figure 3.As shown in Figure 4, bridge 20 comprises a plurality of poles 22 around said mobile jib, and wherein, the lower end of each said pole 22 and hinged disk 12 are hinged rotationally in predetermined angle range, and said hinged disk is fixed on the said mobile jib.
Compare down with shown in Figure 3, only need a pole, designs simplification to big gun hole plug device.The upper limit and the lower limit of predetermined angle range can be realized by hinged disk 12, also can realize the location by the keeper on the mobile jib.
The invention also discloses a kind of following obstruction method, comprising: the described weight that on the bridge of big gun hole plug device, hangs down on basis to the big gun hole; Make said blocking device be put into the aperture, bottom from following to the aperture, top in big gun hole together with weight; And when said blocking device said down to the aperture, bottom in big gun hole at following transferring in the big gun hole said blocking device of pulling back when resistance reduces suddenly with shutoff.
Of the present inventionly down be adapted in the big gun hole of dead zone is run through at the inclination angle greater than the bottom of 100mm greater than 50 degree, aperture, stop up the aperture, bottom to the obstruction method in big gun hole.Method of the present invention is transferred to the aperture, bottom by means of blocking device and suspension weight from aperture, top, big gun hole; After blocking device penetrates entering dead zone, big gun hole; Blocking device has lost after the friction of blasthole hole wall it and has transferred resistance and reduce suddenly, and the aperture, lower end in big gun hole is stopped up in the blocking device back of in the big gun hole, pulling back.
When in the big gun hole, transferring blocking device, the bridge opening upwards is umbrella and tightens up and put into the big gun hole, receives the constraint of hole wall, and the opening of bridge makes progress all the time, can make blocking device in the big gun hole, transfer to lower end, big gun hole smoothly and gets into the dead zone by the effect of gravity; After blocking device penetrates entering dead zone, big gun hole; Because the bridge of blocking device has lost the constraint of hole wall; Under the effect of suspension weight, can freely turn to downwards and open, be the umbrella that Open Side Down; The blocking device of pulling back can seal and stop up the aperture, bottom, after stay cord is fixing, can fill prose style free from parallelism tamper and filling explosive.
Obstruction method of the present invention has the reliability height, cost is low and the easy-to-install advantage, and in inclination big gun hole, can use smoothly.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
- Under one kind to big gun hole plug device, it is characterized in that, comprising:Mobile jib (10);Bridge (20); Comprise and be the radial a plurality of poles that are hinged on the said mobile jib; Have first state that is the umbrella gathering and be second state that umbrella is opened; Wherein, said bridge has under the gravity effect from the trend of said first state to said second state variation, the external diameter of said bridge (20) umbrella opening when said second state greater than said down to the aperture of big gun hole (50).
- 2. to big gun hole plug device, it is characterized in that under according to claim 1, also comprise the flexible leakage cover (30) that hinders, said flexibility resistance leakage is covered (30) and is covered on the said bridge (20).
- 3. according to claim 1 down to big gun hole plug device, it is characterized in that said bridge (20) is provided with hook (23).
- 4. according to claim 1ly it is characterized in that down to big gun hole plug device, said bridge (20) when said first state umbrella opening umbrella opening is down up and when said second state.
- 5. to big gun hole plug device, it is characterized in that said hook (23) is fixedly installed on the said pole (22) under according to claim 4, the opening of hook (23) is towards the outboard end away from said mobile jib of said bridge.
- 6. according to claim 1 down to big gun hole plug device; It is characterized in that; Also be included in first hinged disk (11) and second hinged disk (12) that said mobile jib (10) is provided with respectively; Said bridge (20) also comprises the interior bar (21) of corresponding setting with each said pole (22); An end of bar (21) is connected with respect to said pole (22) with the other end of the hinged and said interior bar (21) of first hinged disk (11) slidably in said, and the lower end of said pole (22) and said second hinged disk (12) are hinged, and the hook (23) on the said pole (22) can stop the sliding stroke of said interior bar (21).
- 7. to big gun hole plug device, it is characterized in that under according to claim 6 that an end of said interior bar (21) is hinged with the collar (24), the said collar (24) is placed on the said pole (22).
- 8. to big gun hole plug device, it is characterized in that under according to claim 1 that the rotational angle of said pole (22) is 150 degree.
- 9. according to claim 1 down to big gun hole plug device; It is characterized in that; Said mobile jib (10) is steel pipe or sticking plaster, said in bar (21) be length greater than the reinforcing bar or the sticking plaster that descend to the big gun pore radius, said pole (22) is reinforcing bar or the sticking plaster of length greater than aperture, big gun hole.
- Under one kind to the obstruction method in big gun hole, it is characterized in that, comprising:According to each describedly down hangs weight in the claim 1 to 9 on the bridge of big gun hole plug device, and stay cord is connected on the mobile jib of said blocking device;Make said blocking device transfer to the aperture, bottom from following to the aperture, top in big gun hole together with weight; AndWhen said blocking device is descending transferring in the big gun hole to pull back said stay cord when resistance reduces suddenly with the said following aperture, bottom to the big gun hole of shutoff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210225737.4A CN102735125B (en) | 2012-07-02 | 2012-07-02 | Downward blast hole plugging device and plugging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210225737.4A CN102735125B (en) | 2012-07-02 | 2012-07-02 | Downward blast hole plugging device and plugging method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102735125A true CN102735125A (en) | 2012-10-17 |
| CN102735125B CN102735125B (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210225737.4A Expired - Fee Related CN102735125B (en) | 2012-07-02 | 2012-07-02 | Downward blast hole plugging device and plugging method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604327A (en) * | 2013-11-28 | 2014-02-26 | 石家庄铁道大学 | Hole sealing device for deep hole blasting in rock-soil body |
| CN106225614A (en) * | 2016-08-22 | 2016-12-14 | 叶建军 | Umbrella shape screens hanger and utilize the umbrella shape screens hanger method to blast hole projectile filling |
| CN107167045A (en) * | 2017-04-24 | 2017-09-15 | 覃如贤 | It is a kind of that engineering rupture, broken method are carried out based on non-priming system |
| CN111351407A (en) * | 2020-02-28 | 2020-06-30 | 中国华冶科工集团有限公司 | Hole bottom plugging device for blasting charge hole and using method thereof |
| CN113587759A (en) * | 2021-08-03 | 2021-11-02 | 武汉科技大学 | Upward blast hole blocking device |
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| US6324980B1 (en) * | 1998-05-08 | 2001-12-04 | Cesar Estevez Bianchini | Conical plug for sealing blastholes in open cut mining |
| CN2638021Y (en) * | 2003-08-06 | 2004-09-01 | 李学志 | Bursting pop hole plug |
| CN2766222Y (en) * | 2005-01-18 | 2006-03-22 | 武汉理工大学 | Pulling resistant fastener for stemming explosion borehole |
| WO2011117337A1 (en) * | 2010-03-24 | 2011-09-29 | Dynaenergetics Gmbh & Co. Kg | Cartridge system for explosives in cartridges |
| AU2007205818B2 (en) * | 2006-08-16 | 2012-12-06 | Peter Bryce Catoi | Blast plug |
| CN202793198U (en) * | 2012-07-02 | 2013-03-13 | 长沙矿山研究院有限责任公司 | Downward blast hole blocking device |
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2012
- 2012-07-02 CN CN201210225737.4A patent/CN102735125B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6324980B1 (en) * | 1998-05-08 | 2001-12-04 | Cesar Estevez Bianchini | Conical plug for sealing blastholes in open cut mining |
| CN2638021Y (en) * | 2003-08-06 | 2004-09-01 | 李学志 | Bursting pop hole plug |
| CN2766222Y (en) * | 2005-01-18 | 2006-03-22 | 武汉理工大学 | Pulling resistant fastener for stemming explosion borehole |
| AU2007205818B2 (en) * | 2006-08-16 | 2012-12-06 | Peter Bryce Catoi | Blast plug |
| WO2011117337A1 (en) * | 2010-03-24 | 2011-09-29 | Dynaenergetics Gmbh & Co. Kg | Cartridge system for explosives in cartridges |
| CN202793198U (en) * | 2012-07-02 | 2013-03-13 | 长沙矿山研究院有限责任公司 | Downward blast hole blocking device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604327A (en) * | 2013-11-28 | 2014-02-26 | 石家庄铁道大学 | Hole sealing device for deep hole blasting in rock-soil body |
| CN103604327B (en) * | 2013-11-28 | 2015-06-24 | 石家庄铁道大学 | Hole sealing device for deep hole blasting in rock-soil body |
| CN106225614A (en) * | 2016-08-22 | 2016-12-14 | 叶建军 | Umbrella shape screens hanger and utilize the umbrella shape screens hanger method to blast hole projectile filling |
| CN106225614B (en) * | 2016-08-22 | 2017-12-26 | 叶建军 | Umbrella shape screens hanger and the method using umbrella shape screens hanger to blast hole projectile filling |
| CN107167045A (en) * | 2017-04-24 | 2017-09-15 | 覃如贤 | It is a kind of that engineering rupture, broken method are carried out based on non-priming system |
| CN107167045B (en) * | 2017-04-24 | 2018-09-21 | 覃如贤 | A method of engineering rupture, broken is carried out based on non-priming system |
| CN111351407A (en) * | 2020-02-28 | 2020-06-30 | 中国华冶科工集团有限公司 | Hole bottom plugging device for blasting charge hole and using method thereof |
| CN113587759A (en) * | 2021-08-03 | 2021-11-02 | 武汉科技大学 | Upward blast hole blocking device |
| CN113587759B (en) * | 2021-08-03 | 2023-02-03 | 武汉科技大学 | Upward blast hole blocking device |
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| Publication number | Publication date |
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| CN102735125B (en) | 2014-09-10 |
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