CN201666159U - Mine down-hole blanking and gunite supporting system - Google Patents

Mine down-hole blanking and gunite supporting system Download PDF

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Publication number
CN201666159U
CN201666159U CN2010201652368U CN201020165236U CN201666159U CN 201666159 U CN201666159 U CN 201666159U CN 2010201652368 U CN2010201652368 U CN 2010201652368U CN 201020165236 U CN201020165236 U CN 201020165236U CN 201666159 U CN201666159 U CN 201666159U
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CN
China
Prior art keywords
cement
blanking
wet
mine
type agitator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010201652368U
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Chinese (zh)
Inventor
周乃松
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Wuhan Iron and Steel Group Corp
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Wuhan Iron and Steel Group Corp
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Application filed by Wuhan Iron and Steel Group Corp filed Critical Wuhan Iron and Steel Group Corp
Priority to CN2010201652368U priority Critical patent/CN201666159U/en
Application granted granted Critical
Publication of CN201666159U publication Critical patent/CN201666159U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A mine down-hole blanking and gunniting supporting system comprises a dry mixing station and a cement and sandstone blanking system matching with the dry mixing station and is characterized in that the system comprises as well a wet mixing station and a gunniting trolley. The wet mixing station is located below the dry mixing station and comprises an unloading station provided with an inclined flexible bend, a mine car, a blanking tube with a funnel, a wet mixer with a water metering device, an operating platform and a material transporting trolley, wherein the wet mixer is arranged on the operating platform below which is provided the material transporting trolley, the unloading station provided with an inclined flexible bend is in the same production level as the dry mixing station, the lower part of the unloading station is connected with the funnel of the blanking tube and the lower part of the blanking tube is connected with the wet mixer. The gunniting trolley is arranged at the excavation working face. Compared with the prior art, the utility model has the advantages that the measurement is accurate, the automation level of the gunniting support is substantially enhanced, workers' labor intensity is reduced and the actual work efficiency of the gunniting support is increased.

Description

Blanking of down-hole, mine and gunite system
Technical field
The utility model relates to blanking of down-hole, mine and gunite system.
Background technology
The most of mine tunnel engineering support pattern of China adopts shotcrete rock bolt wire mesh support more, wherein gunite is one of well lane engineering support pattern, and the dry type agitator is only set up in China's down-hole gunite technology dried spray thereby down-holes of adopting more, is made up of mixer, sandstone storage bin, pendulum feeder, belt conveyor, elevating hopper.The used sandstone of mix: by ground → by tremie pipe → sandstone storage bin → pendulum feeder → belt conveyor → elevating hopper → mixer; The used cement of mix is sacked cement: transport to elevating hopper lifting → mixer by ground → cement board car → auxiliary shaft → electric locomotive haul agitator → a dead lift; The mix that stirs by the dry type agitator is transported to the dried spray of driving face implementation, and in use there are the following problems for this technical scheme:
The ancillary facility of 1. original dry type agitator can not accurately measure in strict accordance with the requirement of match ratio in the shotcreting process, and automaticity is low, and this is the major defect of this agitator.As everyone knows, cement, sandstone match ratio are inaccurate, in addition wrong, influence concrete compressive strength, compressive strength does not reach 20MPa.
2., original dry type agitator uses sacked cement to need a dead lift, artificial unpacking, automaticity is low, labor strength is big, sacked cement is gone into down-hole moisture-sensitive, caking, failure effect and is used, simultaneously a large amount of woven bags are in the down-hole contaminated environment.
3., the mix of dry type agitator is transported to driving face and can only implements the dry type shotcreting process in original technical scheme, more can not be supporting with existing whitewashing chassis.Dried spray return the bullet rate up to 20~30%, low, the serious waste of resources of concrete effective rate of utilization, (20~40mm, top board 10~20mm) are helped in general tunnel two, the safety of the stable and production that supporting quality, compressive strength be defective, influence the tunnel in shotcrete thickness do not reach requirement that even more serious is; Simultaneously owing to use and do spray, down-hole dust concentration height, workman's operating environment are poor.
Summary of the invention
The utility model is in order to solve blanking of down-hole, mine and the gunite system that the down-hole, mine does not also have the complete employing wet spraying process of a cover.
For solving the problems of the technologies described above, the utility model adopts following technical scheme to realize, down-hole blanking of a kind of mine and gunite system, comprise dry type agitator 23 and supporting cement thereof, the sandstone blanking system, it is characterized in that, also comprise wet type agitator 24 and whitewashing chassis 25 in the system, described wet type agitator 24 is positioned at the below of dry type agitator 23, comprise the discharge point 17 that is provided with skew back formula bend, mine car 18, the tremie pipe 19 that has funnel, the wet mixer 20 of band water metering device, operating platform 21, haul chassis 22, wherein wet mixer 20 is placed on the operating platform 21, operating platform is provided with haul chassis 22 21 times, and the discharge point 17 of skew back formula bend and dry type agitator 23 are on the same level of production, and discharge point 17 bottoms link to each other with the funnel of the tremie pipe 19 that has funnel, tremie pipe 19 bottoms are connected with wet mixer 20, and described whitewashing chassis 25 is at driving face.
In order better to realize the automation gunite, described dry type agitator comprises automatically controlled discharge valve 4, conveying worm 5, weighing hopper 6, feeder 9, belt conveyor 8, dry type mixer 7, supporting cement blanking is carried tank car 1 by cement in bulk, down-hole cement silo 2, unload linkage 3 of cement is formed, and the sandstone blanking system is by ground belt 14, tremie pipe 15, sandstone storage bin hopper 13, and pendulum feeder 16, belt conveyor 12, tremie pipe 11, sandstone storage bin hopper 10 are formed.
The beneficial effects of the utility model are, set up the cement in bulk storage bin with the special-purpose tank car of cement in bulk, shipping bulk cement and down-hole, solved sacked cement moisture-sensitive, caking and compiled bag in the down-hole problem of environment pollution caused, accurate measurement and greatly improved the automatization level of agitator, also alleviate labor strength, guaranteed the regular supply of producing, the actual work efficiency that has improved gunite.
Description of drawings
Below in conjunction with the drawings and specific embodiments the technical solution of the utility model is further described in detail.
Fig. 1 is the schematic diagram of a down-hole blanking and an embodiment of gunite system.
Specific embodiment
The Cheng Chao of Wuhan Iron and Steel Plant mining company iron ore adopts the technical solution of the utility model in the construction of down-hole driving face gunite, as shown in Figure 1.
⑴, following by auxiliary shaft to dry type agitator 23 with cement in bulk conveying tank car 1, the back of arriving at a station unloads by cement that linkage 3 is connected with down-hole cement silo 2, usefulness is calmed the anger and carried the cement in bulk on the tank car 1 to be discharged in the down-hole cement silo 2 cement in bulk, has finished the process of cement in bulk to the down-hole agitator.
⑵ the sandstone that, ground proportion, by ground belt 14, ground to the tremie pipe 15 of-290 levels, down to-290 horizontal sandstone storage bin hoppers 13, by pendulum feeder 16, give-290 horizontal belt conveyers 12, again by tremie pipe 11, down to-360 sandstone storage bin hoppers 10, finished sandstone from ground to the process of dry type agitator.
⑶, electronic automatically controlled discharge valve 4 is installed on the cement silo funnel of down-hole, is set up conveying worm 5, weighing hopper 6; When stirring needs cement, set the weight that weighing hopper control is unloaded, when the cement amount of carrying when conveying worm 5 reaches the value that weighing hopper 6 sets, electronic automatically controlled discharge valve, conveying worm just can quit work, realize the accurate metering and feed (discharge valve, conveying worm, weighing hopper are that interlocking moves) of a batch of material by match ratio.Pendulum feeder 9, belt conveyor 8, weighing hopper 6 are installed on the sandstone hopper of down-hole; When stirring needs sandstone, set the weight that weighing hopper 6 controls are unloaded, when the sandstone amount of carrying when belt conveyor 8 reaches the value that sets, pendulum feeder 9, belt conveyor 8 just can quit work, realize the accurate metering and feed (pendulum feeder, belt conveyor, weighing hopper are that interlocking moves) of a batch of material by match ratio.So just realized the process of batching and feed.Improve the automatization level of agitator greatly, improved the actual work efficiency of agitator.
⑷ the compound that dry type stirs is transported to the wet type agitator: press the compound that the 1:2:2 match ratio stirs from the dry type agitator, be unloaded to 2 meters 3Mine car 18 on, haul to the discharge point 17(discharge point of wet type agitator top with electric locomotive and to be provided with skew back formula bend) be discharged on the funnel, be discharged to by tremie pipe 19 in the stir chamber of wet mixer 20, each 4 meters 3
⑸, wet type agitator cooperate with the whitewashing chassis implements the wet type whitewashing: throw in 4 meters at every turn 3Compound advances in the stir chamber of mixer 20, the amount of water that water/binder ratio according to 0.4 is set, accurate metering add water (being provided with the automatic gauge priming apparatus) automatically, mix were mixed and stirred 20 minutes fully, and the slump that makes its mixer discharging opening is about 14.5cm.Stir mix and stir material with 1050AMD haul chassis 22, be transported to work plane and be discharged on the feeding port of 1050WPC whitewashing chassis (slump of its haul chassis discharge port requires to be 14cm), enable the chassis of whitewashing simultaneously and carry out wet shot synchronously.Owing to use whitewashing chassis and wet type shotcreting process, reduced resilience, rebound degree has guaranteed top, tunnel and two shotcrete thickness of helping and supporting qualities 5~8%, has guaranteed production safety; Simultaneously reduced dust concentration effectively, dust concentration is reduced to 20mg/cm 2, improved workman's operating environment.
It should be noted last that, the above specific embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims (2)

1. mine down-hole blanking and gunite system, comprise dry type agitator (23) and supporting cement thereof, the sandstone blanking system, it is characterized in that, also comprise wet type agitator (24) and whitewashing chassis (25) in the system, described wet type agitator (24) is positioned at the below of dry type agitator (23), comprise the discharge point (17) that is provided with skew back formula bend, mine car (18), the tremie pipe (19) that has funnel, the wet mixer (20) of band water metering device, operating platform (21), haul chassis (22), wherein wet mixer (20) is placed on the operating platform (21), haul chassis (22) is set under the operating platform (21), and the discharge point (17) of skew back formula bend and dry type agitator (23) are on the same level of production, and discharge point (17) bottom links to each other with the funnel of the tremie pipe that has funnel (19), tremie pipe (19) bottom is connected with wet mixer (20), and described whitewashing chassis (25) is at driving face.
2. according to down-hole blanking of the described mine of claim 1 and gunite system, it is characterized in that, described dry type agitator comprises automatically controlled discharge valve (4), conveying worm (5), weighing hopper (6), feeder (9), belt conveyor (8), dry type mixer (7), supporting cement blanking is carried tank car (1) by cement in bulk, down-hole cement silo (2), the cement linkage (3) of unloading is formed, and the sandstone blanking system is by ground belt (14), tremie pipe (15), sandstone storage bin hopper (13), pendulum feeder (16), belt conveyor (12), tremie pipe (11), sandstone storage bin hopper (10) is formed.
CN2010201652368U 2010-04-21 2010-04-21 Mine down-hole blanking and gunite supporting system Expired - Fee Related CN201666159U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201652368U CN201666159U (en) 2010-04-21 2010-04-21 Mine down-hole blanking and gunite supporting system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201652368U CN201666159U (en) 2010-04-21 2010-04-21 Mine down-hole blanking and gunite supporting system

Publications (1)

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CN201666159U true CN201666159U (en) 2010-12-08

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314586A (en) * 2014-10-21 2015-01-28 山西潞安矿业(集团)有限责任公司 Long-distance guniting material delivery system
CN106426566A (en) * 2016-09-14 2017-02-22 金川集团股份有限公司 Wet spraying concrete stirring station mortar manufacturing device and method in mine underground
CN109236329A (en) * 2018-11-13 2019-01-18 湖南黄金洞矿业有限责任公司 A kind of underground tailings wet shotcrete method for protecting support

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104314586A (en) * 2014-10-21 2015-01-28 山西潞安矿业(集团)有限责任公司 Long-distance guniting material delivery system
CN106426566A (en) * 2016-09-14 2017-02-22 金川集团股份有限公司 Wet spraying concrete stirring station mortar manufacturing device and method in mine underground
CN106426566B (en) * 2016-09-14 2019-02-12 金川集团股份有限公司 A kind of mine down-hole wet shotcreting mixing plant pulping device and method
CN109236329A (en) * 2018-11-13 2019-01-18 湖南黄金洞矿业有限责任公司 A kind of underground tailings wet shotcrete method for protecting support

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101208

Termination date: 20160421