CN203145957U - Mining concrete wet-type injecting equipment - Google Patents

Mining concrete wet-type injecting equipment Download PDF

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Publication number
CN203145957U
CN203145957U CN 201320011267 CN201320011267U CN203145957U CN 203145957 U CN203145957 U CN 203145957U CN 201320011267 CN201320011267 CN 201320011267 CN 201320011267 U CN201320011267 U CN 201320011267U CN 203145957 U CN203145957 U CN 203145957U
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CN
China
Prior art keywords
cement paste
sandstone
concrete wet
induction
mining concrete
Prior art date
Application number
CN 201320011267
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Chinese (zh)
Inventor
颜威合
王春林
臧培刚
张涛
郭云崇
张效瑞
刘晓亭
朱学锋
李博
刘鹏程
王开勇
Original Assignee
河南省煤炭科学研究院有限公司
中煤第五建设有限公司
中煤第五建设有限公司第三十一工程处
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Application filed by 河南省煤炭科学研究院有限公司, 中煤第五建设有限公司, 中煤第五建设有限公司第三十一工程处 filed Critical 河南省煤炭科学研究院有限公司
Priority to CN 201320011267 priority Critical patent/CN203145957U/en
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Publication of CN203145957U publication Critical patent/CN203145957U/en

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Abstract

The utility model discloses mining concrete wet-type injecting equipment which comprises a cement slurry preparing system, a cement slurry pumping system, a gravel material conveying system, a liquid accelerator conveying system, a mixing system, an injecting system, and connecting hoses and quick clamping devices of the systems. The cement slurry pumping system sucks in prepared cement slurry and then conveys the same to the mixing system with certain pressure, and in the mixing system, a mixture of the cement slurry and gravel materials is conveyed to the injecting system through a mixing-section hose to be mixed with liquid accelerator conveyed by the liquid accelerator conveying system and then to be injected out through a nozzle. The brand-new mining concrete wet-type injecting equipment overcomes the defects of lots of dust, environment pollution, serious springback and the like of dry-type injection and wet-type equipment, and effectively solves the problem that cement conveying distance is short during wet-type injection under mines currently.

Description

Mining concrete wet shotcrete technology equipment
Technical field
The utility model relates to the concrete equipment of a kind of mining wet shotcrete technology, belongs to the mining machinery application.
Background technology
Because sprayed mortar has intensity height, low, the efficient advantages of higher of cost, therefore in supporting constructions such as tunnel, colliery, obtained using widely.What extensively adopt both at home and abroad at present, is the wet shotcrete technology that dry-type jetting, damp formula are sprayed and occurred afterwards.Wherein, wet shotcrete technology technology from the rise sixties in 20th century, because the deficiency when having overcome dry type and damp formula spraying operation, have that match ratio is easy to control, rebound degree is low, dust concentration is low, the production efficiency advantages of higher, in the supporting operation, obtained developing rapidly and using.At present, carry out at home and abroad that the main transmitting power of equipment that the wet shot operation adopts can be divided into pumping type and wind send type two big classes.Pumping type mainly is hydraulic pressure pumping formula wet shot machine, and structure is close with concrete pump, adds wind again and spray after long distance pumping, can reach long jet length.The subject matter that hydraulic pressure pumping formula wet shot machine uses under coal mine is bulky, complex structure, maintenance difficult, and operating personnel need higher technical level; The batching of water-bearing concreae material, mixing evenness, slump etc. are had relatively high expectations, under the situation that does not have ripe stirring, material loading facility, be difficult under coal mine, use.Wind send type mainly to divide rotator type, piston type, flexible pipe extrusion pump formula etc., the water-bearing concreae material that stirs is owing to adopt high-pressure blast as transmitting power, its optimal transport distance generally is no more than 30 meters, when spraying operation, need continuous mobile device and raw material, this has just increased working strength of workers greatly, has reduced production efficiency.Simultaneously, when the wet shotcrete technology concrete construction was carried out in the down-hole on the ore deposit, owing to be subjected to the working space restriction, large-scale stirring, conveying equipment were difficult to use, and can only adopt artificial stirring or small-power mixing plant, adopt artificial the stirring and feeding in continuous material, and labour intensity is big.Therefore, existing wet spraying equipment all can not satisfy the instructions for use of mine working well.
The utility model content
The purpose of this utility model is to keep efficiently solving concrete stirring under the coal mine, material loading problem on original wet shotcrete technology concrete advantage basis of invariable, its fed distance can be increased to more than the 60m about by present 30m simultaneously.
Technical scheme: a kind of mining concrete wet shotcrete technology equipment, comprise support assembly and road wheel, the cement paste pulping system, in frame cement paste pumping system is set, sandstone material induction system, the liquid accelerator induction system, electrical apparatus control system, and hybrid system and spraying system, wherein, the cement paste pulping system is connected with cement paste pumping system, and cement paste pumping system is connected with hybrid system respectively with sandstone material induction system, and hybrid system is connected with spraying system respectively with the liquid accelerator induction system; The cement paste pulping system, cement paste pumping system, the power control terminal of sandstone material induction system and liquid accelerator induction system is connected with electrical apparatus control system respectively, is connected the start and stop of controlling each system respectively by electrical apparatus control system.Four buttons are wherein arranged on the control cabinet of electrical apparatus control system, control sandstone spraying system, cement paste pulping system, liquid accelerator induction system and cement paste pulping system respectively.Simultaneously, this equipment also comprises the chassis and the pipeline that is connected each system and snapclip of supporting various piece.
The cement paste pulping system comprises support, be provided with the stir storehouse on upper strata and the slurry storehouse of lower floor in the support, be communicated with between stir storehouse and the slurry storehouse and be provided with the folding valve, the stir storehouse upside arranges feed opening and filler, the rotating shaft of stir storehouse is in transmission connection by transmission mechanism and driving mechanism, the outlet of slurry storehouse and cement paste pumping system connectivity.Support upside at the cement paste pulping system also is provided with water tank, and water tank also is provided with water-quantity regulating device and overfall gap except being provided with water inlet and delivery port.Water-quantity regulating device comprises an adjustable plate that is fixed on the tank inner wall, is provided with the vertical adjustment hole of a row on the adjustable plate at least, and bleed off pipe is bolted in the adjustment hole by adjusting, the water yield that different hole sites is corresponding different.After water-quantity regulating device regulated, water level was fixed, and as continuing to add water again, will go out from the overfall automatic overflow, thereby realize the fixedly purpose of amount of water.Stir storehouse and slurry storehouse arrange that vertically stir storehouse is provided with the cement charge door, and grout outlet is arranged at the slurry storehouse bottom.Motor after slowing down, drive shaft and on stirring vane rotation.In addition, can also change the location layout of stir storehouse and slurry storehouse in the cement paste pulping system, make about stir storehouse and slurry storehouse and arrange.
Cement paste pumping system comprises motor, buncher, reducer, eccentric and squeezing tube, and wherein motor drives the eccentric rotation after slowing down, thereby causes the cyclically-varying of squeezing tube inner space to realize sucking and discharging.Realize the continuous adjusting of POF size by buncher.
Sandstone material induction system is a rotor spraying machine, comprise support and rotor block, the rotating shaft at rotor block center vertically is installed on the support, evenly be furnished with a plurality of storage cavitys on the rotor block circumference, motor and gearbox and rotor block are in transmission connection, the upside of rotor block is provided with hopper, and the discharging opening of hopper lower end docks with a storage cavity of rotor block one side, and a storage cavity of rotor block opposite side is communicated with the air port of air path system; Air path system is provided with for rinse water slurry transportation pipeline interface.Hopper is provided with vibrator, is provided with screen cloth in the hopper, and the hopper side is vertical with horizontal plane or be not less than 60 degree with the angle of horizontal plane.
The liquid accelerator induction system comprises an eccentric plunger displacement pump.
Hybrid system has comprised one section threeway short tube and one section mixing long tube, three mouths of threeway short tube are respectively into sandstone material mouth, water inlet mud mouth, go out the compound mouth, going out the compound mouth is connected with the mixing long tube, mix long tube and comprise that the pipe of at least two sections band taperings and straight tube are welded successively, make compound can realize abundant mixing.
Hybrid system comprises shell, is horizontally installed with main shaft in the shell, and main shaft is provided with stirring piece, and sandstone material mouth is advanced in shell one end setting and water inlet mud mouth, the other end arrange the compound outlet.Power drive main shaft and stirring vane rotate, and are delivered to shower nozzle after sandstone material and cement paste are mixed, stir.
Spraying system comprises nozzle carrier and nozzle composition, also is provided with liquid accelerator on the nozzle carrier and adds mouth.
Hybrid system and spraying system connecting line length are 5 ~ 10 meters, and 5 ~ 10 meters pipeline length can make the jet length maximum.
The utility model adopts above technical scheme will reach following technique effect:
The water tank quantitative water supply of pulping system quantitatively adds cement again, can guarantee the water/binder ratio of setting.According to the wet degree of doing of job site sandstone material, the water volume in water tank adjusting device can guarantee that water/binder ratio is adjustable within the specific limits.Top is stir storehouse, realizes the stirring to cement paste.Open the folding valve, the cement paste that stirs enters the slurry storehouse of bottom, guarantees not produce precipitation under the drive of shaft.Close the folding valve, continue cement paste processed in the stir storehouse.Cement paste in the slurry storehouse is inhaled in the cement paste pumping system.Like this, though the slurry that mixes cement is interrupted, can realize the without interruption of cement paste.
Be wet feed entirely in original wet shot machine pipeline, and the utility model is to be the last period siccative, the middle cement paste that just adds, cement paste pumping system is transported to blender with cement paste with certain pressure, injects air pressure before becoming wet feed, therefore can spray larger distance, eject after in hybrid chamber, fully mixing, wet shot maximum distance originally is 30 meters, requires under the coal mine more than 60 meters, and the jet length of the wet shot machine that the utility model provides is more than or equal to 60 meters.
Buncher is regulated the conveying capacity of cement paste, thus the slump that can regulate mixed concrete wet feed.On the other hand, the sandstone material also is transported in the blender by pipeline in the sandstone spraying machine.Sandstone spraying machine hopper is provided with screen cloth and vibrator, and screen cloth can filter out big particle in the sandstone material, prevents plugging; Vibrator is assisted blanking.Sandstone material and cement paste are realized mixing and stirring in blender, become wet concrete material.Pipe or the band stirring vane of band tapering are set in the blender, can strengthen and mix or mixing effect.Spraying system is provided with liquid accelerator to be added mouthful, liquid accelerator this with eject after the concrete material that wets mixes.Owing in advance cement is made cement paste, reduced dust widely, can realize remote injection simultaneously.
Description of drawings
Fig. 1 is mining wet shotcrete technology concrete new equipment general illustration;
Fig. 2 is the cisten mechanism schematic diagram;
Fig. 3 is the right view of Fig. 2;
Fig. 4 is the vertical view of Fig. 2;
Fig. 5 is one of structural representation of hybrid system;
Fig. 6 be hybrid system structural representation two;
Fig. 7 is the hopper construction schematic diagram;
Fig. 8 is the vertical view of rotor block;
Fig. 9 is the part section structural representation of Fig. 8.
Among the figure, label 1 is electrical apparatus control system, and 2 is the cement paste pulping system, 3 is cement paste pumping system, and 4 is sandstone material induction system, and 5 is the liquid accelerator induction system, 6 is hybrid system, and 7 is support assembly, and 8 is road wheel, 9,10,11 is the air intake valve, and 12 is spraying system, and 13 is adjusting handle, 14 is to clean to use interface, and 15 is the water level meter, and 16 is bleed off pipe, 17 is adjustable plate, and 18 are the bleed off pipe outlet, and 19 is the bleed off pipe entrance, 20 is water tank, and 21 is water inlet, and 22 is delivery port, 23 is support, and 24 is stirring motor, and 25 is stir storehouse, 26 is slurry storehouse, and 27 is upper ring plate, and 28 is flange, 29 is hopper plate, and 30 is end opening, and 31 is the vibrator fixed head, 32 is screen cloth, 33 is the cross muscle, and 34 is rotor block, and 35 is storage cavity.61 for advancing sandstone material mouth, and 62 are the threeway short tube, and 63 are water inlet mud mouth, 64 is flange, and 65 for mixing long tube, and 66 for mixing the long tube outlet, 61 ' for advancing sandstone material mouth, 62 ' is water inlet mud mouth, and 63 ' is housing, and 64 ' is stirring piece, 65 ' is spring, 66 ' is bearing, and 67 ' is main shaft, and 68 ' is the compound outlet.
The specific embodiment
Embodiment 1: referring to Fig. 1, mining concrete wet shotcrete technology equipment comprises electrical apparatus control system 1, cement paste pulping system 2, cement paste pumping system 3, sandstone material induction system 4, liquid accelerator induction system 5, hybrid system 6, spraying system 12 and support assembly 7 etc.Wherein electrical apparatus control system, cement paste pumping system, sandstone material induction system, liquid accelerator induction system are arranged on the support assembly 7.Support assembly 7 bottoms are provided with running gear 8, make things convenient for the movement of this part.
Cement paste pumping system 3 and support assembly 7 independent separate among Fig. 1, but as further improving, cement paste pulping system 2 can also be arranged on the frame assembly 7 with electrical apparatus control system 1, cement paste pumping system 3, sandstone material induction system 4, liquid accelerator induction system 5.
Described cement paste pulping system 2 comprises support 23, and drive unit adopts motor 24, buncher and reducer, also includes eccentric and squeezing tube, and wherein motor 24 drives the eccentric rotation after slowing down.Be provided with the stir storehouse 25 on upper strata and the slurry storehouse 26 of lower floor in the support 23, be communicated with between stir storehouse 25 and the slurry storehouse 26 and be provided with the folding valve, stir storehouse 25 upsides arrange feed opening and filler, the outlet of slurry storehouse and cement paste pumping system connectivity.Support upside at described cement paste pulping system 2 also is provided with water tank 20, and water tank 20 is provided with water inlet 21 and delivery port 22, also is provided with water-quantity regulating device and overfall gap; Described water-quantity regulating device comprises an adjustable plate 17 that is fixed on the tank inner wall, and adjustable plate 17 is provided with adjustment hole, and the import of bleed off pipe 16 19 is bolted in the adjustment hole by adjusting.The water tank of cement paste pulping system is seen Fig. 2, Fig. 3 and Fig. 4, is marked with scale at water tank side water level meter 15, the kilogram number of the water yield when being illustrated in current water level.In water tank, be provided with bleed off pipe 16, bleed off pipe 16 is fixed on the adjustable plate 17 and links to each other with the overfall 18 of side, and adjustable plate is vertically placed, and is drilled with two on it and teases and ridicule knothole, be used for fixing the suitable for reading of bleed off pipe, control the water yield of water tank by regulating bleed off pipe 16 height suitable for reading.When add water when excessive automatic overflow to outside.
Sandstone material induction system 4 is a rotor spraying machine, comprise motor, gearbox, rotor block, hopper and air path system, hopper is installed on the rotor block upside, the rotor block downside arranges discharging opening, the rotating shaft at rotor block 34 centers vertically is installed on the support, evenly be furnished with a plurality of storage cavitys 35 on the rotor block circumference, the rotating shaft of motor and gearbox and rotor block is in transmission connection, the upside of rotor block is provided with hopper, the discharging opening of hopper lower end docks with a storage cavity of rotor block one side, and a storage cavity of rotor block opposite side is communicated with the air port of air path system; Air path system is provided with for rinse water slurry transportation pipeline interface.Hopper is provided with vibrator, is provided with screen cloth in the hopper, and the hopper side is vertical with horizontal plane or be not less than 60 degree with the angle of horizontal plane.
Referring to Fig. 5, hybrid system 6 has comprised one section threeway short tube 62 and one section mixing long tube 65, three mouths of threeway short tube 62 are respectively into sandstone material mouth 61, water inlet mud mouth 63, go out the compound mouth, going out the compound mouth is connected with mixing long tube 65, mix long tube 65 and comprise that the pipe of three sections band taperings and straight tube are welded successively, make compound can realize abundant mixing.In order to reach best jet length, by repeatedly analyzing and testing, it is 5 ~ 10 meters with hybrid system and spraying system connecting line length.
Spraying system 12 comprises nozzle carrier and nozzle composition, also is provided with liquid accelerator on the nozzle carrier and adds mouth.
During operation, after by Fig. 1 machine being connected, be that the cement paste pulping system is connected with cement paste pumping system, cement paste pumping system is connected with hybrid system respectively with sandstone material induction system, and hybrid system is connected with spraying system respectively with the liquid accelerator induction system.At first start the cement paste slurrying button slurrying on the electrical apparatus control system 1, open air intake valve 9,10,11 then, start the cement paste pumping button on 1, when spraying system 12 has cement slurry to eject by the time, sandstone jet button and the liquid accelerator restarted on 15 are carried button, and the beginning concrete sprays.During this time, according to the bounce situations of jetting material, adjust the adjusting handle 13 in the cement paste pumping system, the slump that can regulate concrete mix, and then be reduced to the rebound degree that sprays minimum.
During shutdown, at first stop to go up the sandstone material, then closing liquid accelerating admixture induction system and sandstone spraying system, closing liquid accelerating admixture induction system at last.During the cleaning machine, the cement paste carrier pipe directly can be inserted special purpose interface 14, with the wind-force flushing, close air intake valve 9 at last.
Embodiment 2: referring to Fig. 6, content is substantially the same manner as Example 1, something in common does not repeat, different is: hybrid system comprises shell 63 ', be horizontally installed with main shaft 67 ' by bearing 66 ' in the shell 63 ', main shaft 67 ' is provided with stirring piece 64 ', and sandstone material mouth 61 ' is advanced in shell one end setting and water inlet mud mouth 68 ', the other end arrange compound outlet 68 '.Power drive main shaft and stirring vane rotate 64 ', are delivered to shower nozzle after sandstone material and cement paste are mixed, stir.

Claims (10)

1. a mining concrete wet shotcrete technology is equipped, comprise support assembly and road wheel, the cement paste pulping system, it is characterized in that: in frame cement paste pumping system is set, sandstone material induction system, the liquid accelerator induction system, electrical apparatus control system, and hybrid system and spraying system, described cement paste pulping system is connected with cement paste pumping system, cement paste pumping system is connected with hybrid system respectively with sandstone material induction system, and hybrid system is connected with spraying system respectively with the liquid accelerator induction system; Described cement paste pulping system, cement paste pumping system, the power control terminal of sandstone material induction system and liquid accelerator induction system is connected with electrical apparatus control system respectively, is connected the start and stop of controlling each system respectively by electrical apparatus control system.
2. mining concrete wet shotcrete technology according to claim 1 is equipped, it is characterized in that: the cement paste pulping system comprises support, be provided with the stir storehouse on upper strata and the slurry storehouse of lower floor in the support, be communicated with between stir storehouse and the slurry storehouse and be provided with the folding valve, the stir storehouse upside arranges feed opening and filler, the rotating shaft of stir storehouse is in transmission connection by transmission mechanism and driving mechanism, the outlet of slurry storehouse and cement paste pumping system connectivity.
3. mining concrete wet shotcrete technology according to claim 2 is equipped, and it is characterized in that: the support upside at described cement paste pulping system also is provided with water tank, and water tank is provided with water inlet and delivery port, also is provided with water-quantity regulating device and overfall gap; Described water-quantity regulating device comprises an adjustable plate that is fixed on the tank inner wall, is provided with the vertical adjustment hole of a row on the adjustable plate at least, and bleed off pipe is bolted in the adjustment hole by adjusting.
4. mining concrete wet shotcrete technology according to claim 2 is equipped, and it is characterized in that: cement paste pumping system comprises motor, buncher, reducer, eccentric and squeezing tube, and wherein motor drives the eccentric rotation after slowing down.
5. mining concrete wet shotcrete technology equipment according to claim 1 is characterized in that: arrange about stir storehouse and slurry storehouse in the cement paste pulping system.
6. mining concrete wet shotcrete technology according to claim 1 is equipped, it is characterized in that: sandstone material induction system is a rotor spraying machine, comprise support and rotor block, the rotating shaft at rotor block center vertically is installed on the support, evenly be furnished with a plurality of storage cavitys on the rotor block circumference, motor and gearbox and rotor block are in transmission connection, the upside of rotor block is provided with hopper, the discharging opening of hopper lower end docks with a storage cavity of rotor block one side, and a storage cavity of rotor block opposite side is communicated with the air port of air path system; Air path system is provided with for rinse water slurry transportation pipeline interface.
7. mining concrete wet shotcrete technology equipment according to claim 6, it is characterized in that: hopper is provided with vibrator, is provided with screen cloth in the hopper, and the hopper side is vertical with horizontal plane or be not less than 60 with the angle of horizontal plane and spend.
8. mining concrete wet shotcrete technology according to claim 1 is equipped, it is characterized in that: hybrid system has comprised one section threeway short tube and one section mixing long tube, three mouths of threeway short tube are respectively into sandstone material mouth, water inlet mud mouth, go out the compound mouth, going out the compound mouth is connected with the mixing long tube, mix long tube and comprise that the pipe of at least two sections band taperings and straight tube are welded successively, make compound can realize abundant mixing.
9. mining concrete wet shotcrete technology according to claim 1 is equipped, it is characterized in that: hybrid system comprises shell, be horizontally installed with main shaft in the shell, main shaft is provided with stirring piece, and sandstone material mouth is advanced in shell one end setting and water inlet mud mouth, the other end arrange the compound outlet.
10. mining concrete wet shotcrete technology according to claim 1 is equipped, and it is characterized in that: hybrid system and spraying system connecting line length are 5 ~ 10 meters.
CN 201320011267 2013-01-10 2013-01-10 Mining concrete wet-type injecting equipment CN203145957U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103061787A (en) * 2013-01-10 2013-04-24 河南省煤炭科学研究院有限公司 Mining wet type concrete spraying device
CN103806921A (en) * 2014-02-25 2014-05-21 山东大学 Separating type wet process spraying system for spraying concrete and control method
CN104912572A (en) * 2015-06-24 2015-09-16 淮南矿业(集团)有限责任公司 Guniting device
CN105888690A (en) * 2016-04-11 2016-08-24 刘文涛 Spray sowing method and equipment for TBM (tunnel boring machine) and drilling and blasting type tunnel construction
CN105888695A (en) * 2016-06-16 2016-08-24 北京新桥技术发展有限公司 U-shaped cavity rotor type concrete spraying machine for dry spraying and wet spraying

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103061787A (en) * 2013-01-10 2013-04-24 河南省煤炭科学研究院有限公司 Mining wet type concrete spraying device
CN103806921A (en) * 2014-02-25 2014-05-21 山东大学 Separating type wet process spraying system for spraying concrete and control method
CN104912572A (en) * 2015-06-24 2015-09-16 淮南矿业(集团)有限责任公司 Guniting device
CN105888690A (en) * 2016-04-11 2016-08-24 刘文涛 Spray sowing method and equipment for TBM (tunnel boring machine) and drilling and blasting type tunnel construction
CN105888695A (en) * 2016-06-16 2016-08-24 北京新桥技术发展有限公司 U-shaped cavity rotor type concrete spraying machine for dry spraying and wet spraying

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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

Granted publication date: 20130821

Termination date: 20160110