CN109653792A - A kind of construction machinery backfilling coal cutting roadway - Google Patents
A kind of construction machinery backfilling coal cutting roadway Download PDFInfo
- Publication number
- CN109653792A CN109653792A CN201910143639.8A CN201910143639A CN109653792A CN 109653792 A CN109653792 A CN 109653792A CN 201910143639 A CN201910143639 A CN 201910143639A CN 109653792 A CN109653792 A CN 109653792A
- Authority
- CN
- China
- Prior art keywords
- coal cutting
- cutting roadway
- baffle
- concrete
- construction machinery
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- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F15/00—Methods or devices for placing filling-up materials in underground workings
- E21F15/08—Filling-up hydraulically or pneumatically
- E21F15/10—Hydraulic or pneumatic filling-up machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
Abstract
A kind of construction machinery and its method for filling coal cutting roadway, belong to coal cutting roadway backfill technical field, the construction machinery includes forklift, pulverizer, blender, belt conveyor, grouting vehicle, with forklift to filler material on the feed inlet of the pulverizer, the discharge port of pulverizer is coupled by way of chute or Belt Conveying with the feed inlet of blender, the discharge port of blender is coupled by way of Belt Conveying with the tail of belt conveyor, the feed inlet of the feed hopper of the concrete pump of the blanking port and grouting vehicle of the material-falling hopper of the head of belt conveyor penetrates through, the delivery pipe of concrete pump is connected to by the grouting port on baffle with the refill spaces in front of baffle；The machinery, which provides one kind, largely to use gangue to be filled as the major ingredient of filler, the filler material of fill area is set to be shaped to obturator and hydraulic cylinder promotion baffle extrusion packing body by baffle, filling gap is eliminated, the machinery of the intensity of obturator and the filling coal cutting roadway of compactness is greatly strengthened.
Description
Technical field
The invention belongs to coal cutting roadway backfill technical field, specifically it is a kind of backfill coal cutting roadway construction machinery with
And construction method.
Background technique
Coal cutting roadway backfill is to solve mining subsidence to above ground structure, industrial and agricultural production and gangue in ground stacking pair
The influence of environmental danger and be coal to the backfill problem after " under three " (underwater, under road, under building) mining pressed coal
The general character problem that charcoal industry faces.
Currently, the general method using bored grouting carries out to the backfill after coal cutting roadway exploitation.Although this method solves
The backfill problem in goaf, but this method backfill is used to form taper obturator easily in goaf, form huge fills out
Gap is filled, gob collapse is caused, influences the control in later period；Furthermore the utilization rate of gangue is not high, causes to environment
Harm；Three, even if filling is complete, but the compactness of obturator and intensity is not high, is also formed easily goaf and collapsed, influenced
The control in later period.
Summary of the invention
It is an object of the invention to overcome shortcoming in the prior art, bastard coal masonry can largely be used by providing one kind
Backfilled for the major ingredient of filler, can make fill space in stirred as gangue made of concrete extrusion form, eliminate
Filling gap in filling space greatly strengthens obturator compactness in filling space, improves the intensity of obturator
Backfill the construction machinery and construction method of coal cutting roadway.
In order to achieve the object of the present invention, we will adopt the following technical scheme that and be implemented.
A kind of construction machinery backfilling coal cutting roadway, it is characterised in that: the construction machinery includes forklift, pulverizer, stirring
Machine, belt conveyor, grouting vehicle, with the forklift to filler material on the feed inlet of the pulverizer, the discharging of the pulverizer
Mouth is coupled by way of chute or Belt Conveying with the feed inlet of the blender, and the discharge port of the blender passes through belt
The mode of conveying couples with the tail of the belt conveyor, the blanking port of the material-falling hopper of the head of the belt conveyor and institute
The feed inlet perforation of the feed hopper of the concrete pump of grouting vehicle is stated, the delivery pipe of the concrete pump passes through the note on the baffle
Slurry mouth is connected to the refill spaces in front of the baffle.
Preferably, the grouting vehicle includes crawler type walking mechanism, concrete pump, hydraulic cylinder and baffle, the crawler belt
Installation settings has a hydraulic cylinder on the vehicle frame of formula walking mechanism, the telescopic end of the hydraulic cylinder be located at the crawler-type traveling
Baffle connection in front of mechanism, working face, top plate and bottom plate and the left and right sidewall structure of the baffle and the coal cutting roadway in front of it
At a filling space, also installation settings has concrete pump on the vehicle frame, and the concrete pump has feed hopper, the concrete
The delivery pipe of pump is connected to by the grouting port that the baffle top is arranged with the filling space.
Preferably, the construction machinery also has remote monitoring system, and the remote monitoring system is described for monitoring
Each mechanism operating condition in construction machinery.
Preferably, the construction machinery also has tele-control system, and the tele-control system includes Electric control system
System and hydraulic control system, the electric control system are the power supplies for controlling each mechanism in the construction machinery
's；The hydraulic control system is run for controlling the hydraulic execution unit of each mechanism in the construction machinery.
Preferably, the pulverizer includes Roughpulverizer and slimer, and the forklift gives the charging of the Roughpulverizer
Filler material on mouth, the discharge port of the Roughpulverizer couple with the feed inlet of the slimer, the discharging of the slimer
Mouth couples with the feed inlet of the blender.
Preferably, the rear end of the vehicle frame of the grouting vehicle and the front end of rack of the belt conveyor are fixedly connected.
A kind of construction method backfilling coal cutting roadway, it is characterised in that: the construction method includes the following steps:
(1), pulverizer is shipped for scraper (or dig and transport) mechanical act the gangue for being deposited in former laydown area shovel (digging)
It is crushed；
(2), it is conveyed to blender through the smashed gangue of pulverizer, by weight addition water and gelling in blender
Material stirs into concrete；
(3), concrete conveyance made of agitated machine stirring is to belt conveyor；
(4), for belt conveyor by concrete conveyance to the concrete pump of grouting vehicle, concrete pump injects High Pressure Reinforced Concrete
Coal cutting roadway innermost end is made of working face, top plate and bottom plate and the two sidewalls of the baffle of grouting vehicle and the coal cutting roadway
In one refill spaces, until filling；
(5), after refill spaces fill concrete, the hydraulic cylinder of grouting vehicle pushes baffle to squeeze the coagulation in refill spaces
Soil, so that concrete tightly connects top；
(6), after the completion of to be extruded, belt conveyor and grouting vehicle withdraw a distance backward in coal cutting roadway, so that
Second refill spaces, then the step of successively implementing first five step are formed between the baffle and concrete extrusion face of grouting vehicle, in this way
It moves in circles until the backfill of entire coal cutting roadway finishes.
Preferably, the diameter≤25mm through the smashed coal gangue particle of pulverizer.
Preferably, the distance of the baffle for constituting refill spaces to coal cutting roadway working face is 5-10m.
Preferably, it is described stirred with blender made of concrete by weight calculate include 80-90% gangue, 5-
10% water, surplus are cementitious material.
Beneficial effect
Filler material high pressure can be injected filling space by the concrete pump of grouting vehicle in construction machinery of the present invention, favorably
The packed density in space is being filled in improving filler material, then the filling in injection filling space can be made by the extruding of hydraulic cylinder
Material tightly connect top, can eliminate filling gap and further increase filling space in formation obturator compactness with by force
Degree；After the pulverizer of construction machinery of the present invention pulverizes coal gangue, agitated machine stirs into concrete, the concrete
It is gangue containing 80-90%, therefore can largely uses gangue to carry out backfill operation as the major ingredient of filler material, can disappears
In addition to gangue stacks the influence to environment；The construction machinery also has remote monitoring system and a tele-control system, can
The automation control to the construction machinery is realized, so that the backfill efficiency of gangue greatly improves；Backfilling coal cutting roadway can
To reduce the extent of the destruction mined to formation rock, slows down mining damage and above ground structure and industrial or agricultural bring is endangered,
It will can carry out new approach to the mining belt in China " under three " coal seam, this measure will generate extremely considerable economic benefit, Environmental Effect
Benefit and social benefit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of construction machinery of the present invention；
Fig. 2 is the structural schematic diagram of grouting vehicle of the present invention；
Fig. 3 is the connection schematic diagram of the Roughpulverizer and slimer and blender.
Specific embodiment
In conjunction with the accompanying drawings and embodiments, the present invention is described further.
In one embodiment, as shown in Figs. 1-2, a kind of construction machinery backfilling coal cutting roadway, including as described below
Mechanical: forklift 1, pulverizer 2, blender 3, belt conveyor 4, grouting vehicle 5 give the charging of the pulverizer 2 with the forklift 1
The discharge port of filler material on mouth, the pulverizer 2 is connect by chute with the feed inlet of the blender 3, the blender 3
Discharge port is coupled by conveyor belt with the tail 41 of the belt conveyor 4, the blanking of the head 42 of the belt conveyor 4
The blanking port of bucket 43 is connected to the feed inlet of the feed hopper 521 of the concrete pump 52 of the grouting vehicle 5, the concrete pump 52
Delivery pipe 522 is connected to by the grouting port on the baffle 54 with the refill spaces in 54 front of baffle.
In one embodiment, as shown in Fig. 2, the grouting vehicle 5 include crawler type walking mechanism 51, concrete pump 52,
The front installation settings of hydraulic cylinder 53 and baffle 54, the top of the vehicle frame 511 of the crawler type walking mechanism 51 has hydraulic oil
Cylinder 53, the telescopic end of the hydraulic cylinder 53 couples with the baffle 54 for being set to 51 front of crawler type walking mechanism, described
The working face of baffle 54 and the coal cutting roadway in front of it, top plate and bottom plate and left and right sidewall constitute a filling space, the vehicle frame
Also installation settings has concrete pump 52 on 511, and the concrete pump 52 has feed hopper, the delivery pipe of the concrete pump 52
522 are connected to by the grouting port that 54 top of baffle is arranged with the filling space.
In one embodiment, which also has remote monitoring system, and the remote monitoring system is for supervising
Control each mechanical movement situation in the construction machinery.
In one embodiment, which also has tele-control system, and the tele-control system includes electric power
Control system and hydraulic control system, the electric control system are the electric power for controlling each machinery in the construction machinery
Supply；The hydraulic control system is run for controlling the hydraulic execution unit of each machinery in the construction machinery.
In one embodiment, as shown in figure 3, the pulverizer 2 includes Roughpulverizer 21 and slimer 22, the shovel
Vehicle 1 passes through chute and the fine powder to filler material on the feed inlet of the Roughpulverizer 21, the discharge port of the Roughpulverizer 21
The feed inlet of broken machine 22 couples, and the discharge port of the slimer 22 is coupled by chute with the feed inlet of the blender 3.
In one embodiment, as shown in Figure 1, the rear end of the vehicle frame 511 of the grouting vehicle 5 and the belt conveyor 4
44 front end of rack be fixedly connected, it is intended to hydraulic cylinder 53 push baffle 54 squeeze refill spaces in concrete when, resist
Reaction force of the concrete for hydraulic cylinder 53 and the conveying convenient for concrete.
The belt conveyor 4 is adjustable belt conveyer or walking belt conveyor.
In one embodiment, a kind of construction method backfilling coal cutting roadway as shown in Figs. 1-2, it is characterised in that: this is applied
Work method includes the following steps:
(1), the gangue for being deposited in former laydown area is scooped up with forklift 1 and is shipped for pulverizer 2 and crushes；
(2), be conveyed to blender 3 through the smashed gangue of pulverizer 2, in blender 3 by weight addition water and
Cementitious material stirs into concrete；
(3), concrete conveyance made of agitated machine 3 stirs is to belt conveyor 4；
(4), belt conveyor 4 is by concrete conveyance to the concrete pump 52 of grouting vehicle 5, and concrete pump 52 is by concrete height
Pressure injection enters coal cutting roadway innermost end by the baffle 54 of grouting vehicle 5 and working face, top plate and bottom plate and the two sides of the coal cutting roadway
In the refill spaces that wall is constituted, until filling；
(5), after refill spaces fill concrete, the hydraulic cylinder 53 of grouting vehicle 5 pushes baffle 54 to squeeze in refill spaces
Concrete so that concrete tightly connects top；
(6), after the completion of to be extruded, belt conveyor 4 and grouting vehicle 5 withdraw a distance backward in coal cutting roadway, make
It obtains and forms second refill spaces, then the step of successively implementing first five step between the baffle 54 and concrete extrusion face of grouting vehicle 5,
It is moved in circles until the backfill of entire coal cutting roadway finishes in this way.
In one embodiment, as shown in Fig. 1 or 3, the diameter through the smashed coal gangue particle of pulverizer 2≤
25mm。
In one embodiment, as shown in Figure 1, the baffle 54 for constituting refill spaces to coal cutting roadway working face away from
From for 5-10m.
In one embodiment, as shown in Fig. 1 or 3, concrete made of the stirring with blender 3 is by weight calculating
It is cementitious material comprising 85% gangue, 10% water, surplus.
Claims (10)
1. it is a kind of backfill coal cutting roadway construction machinery, it is characterised in that: the construction machinery include forklift, pulverizer, blender,
Belt conveyor, grouting vehicle, with the forklift to filler material on the feed inlet of the pulverizer, the discharge port of the pulverizer is logical
The mode for crossing chute or Belt Conveying couples with the feed inlet of the blender, and the discharge port of the blender passes through Belt Conveying
Mode couple with the tail of the belt conveyor, the blanking port of the material-falling hopper of the head of the belt conveyor and the note
The feed inlet connection of the feed hopper of the concrete pump of vehicle is starched, the delivery pipe of the concrete pump passes through the grouting port on the baffle
It is connected to the baffle with the filling space that the working face of the coal cutting roadway in front of it, top plate and bottom plate and left and right sidewall are constituted.
2. a kind of construction machinery for backfilling coal cutting roadway according to claim 1, it is characterised in that: the grouting vehicle includes
Crawler type walking mechanism, concrete pump, hydraulic cylinder and baffle, installation settings has liquid on the vehicle frame of the crawler type walking mechanism
Compressing cylinder, the telescopic end of the hydraulic cylinder be located at the crawler type walking mechanism in front of baffle couple, the baffle and
Working face, top plate and bottom plate and the left and right sidewall of coal cutting roadway in front of it constitute a filling space, also install on the vehicle frame
It is provided with concrete pump, the concrete pump has feed hopper, and the delivery pipe of the concrete pump is set by the baffle top
The grouting port set is connected to the filling space.
3. a kind of construction machinery for backfilling coal cutting roadway according to claim 1, it is characterised in that: also have long-range monitoring
System, the remote monitoring system are for monitoring each mechanism operating condition in the construction machinery.
4. a kind of construction machinery for backfilling coal cutting roadway according to claim 1, it is characterised in that: also have long-range control
System, the tele-control system include electric control system and hydraulic control system, and the electric control system is for controlling
Make the power supply of each mechanism in the construction machinery；The hydraulic control system is for controlling in the construction machinery
The hydraulic execution unit operation of each mechanism.
5. a kind of construction machinery for backfilling coal cutting roadway according to claim 1, it is characterised in that: the pulverizer includes
Roughpulverizer and slimer, the forklift is to filler material on the feed inlet of the Roughpulverizer, the discharging of the Roughpulverizer
Mouth couples with the feed inlet of the slimer, and the discharge port of the slimer couples with the feed inlet of the blender.
6. a kind of construction machinery for backfilling coal cutting roadway according to claim 2, it is characterised in that: the vehicle of the grouting vehicle
The rear end of frame and the front end of rack of the belt conveyor are fixedly connected.
7. a kind of construction method for backfilling coal cutting roadway, it is characterised in that: the construction method includes the following steps:
(1), the gangue for being deposited in former laydown area shovel (digging) pulverizer is shipped for scraper (or dig and transport) machinery to carry out
It crushes；
(2), it is conveyed to blender through the smashed gangue of pulverizer, by weight addition water and cementitious material in blender
Stir into concrete；
(3), concrete conveyance made of agitated machine stirring is to belt conveyor；
(4), by concrete conveyance to the concrete pump of grouting vehicle, concrete pump injects High Pressure Reinforced Concrete mines belt conveyor
Be made of working face, top plate and bottom plate and the two sidewalls of the baffle of grouting vehicle and the coal cutting roadway one of tunnel innermost end
In refill spaces, until filling；
(5), after refill spaces fill concrete, the hydraulic cylinder of grouting vehicle pushes baffle to squeeze the concrete in refill spaces,
So that concrete tightly connects top；
(6), after the completion of to be extruded, belt conveyor and grouting vehicle withdraw a distance backward in coal cutting roadway, so that slip casting
Second refill spaces, then the step of successively implementing first five step are formed between the baffle and concrete extrusion working face of vehicle, in this way
It moves in circles until the backfill of entire coal cutting roadway finishes.
8. a kind of construction method for backfilling coal cutting roadway according to claim 7, it is characterised in that: described through pulverizer powder
Diameter≤25mm of coal gangue particle after broken.
9. a kind of construction method for backfilling coal cutting roadway according to claim 1 or 2 or 7, it is characterised in that: the composition
The distance of the baffle of refill spaces to coal cutting roadway working face is 5-10m.
10. a kind of construction method for backfilling coal cutting roadway according to claim 7, it is characterised in that: described to use blender
Concrete made of stirring is cementitious material by weight calculating comprising the gangue of 80-90%, the water of 5-10%, surplus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910143639.8A CN109653792A (en) | 2019-02-25 | 2019-02-25 | A kind of construction machinery backfilling coal cutting roadway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910143639.8A CN109653792A (en) | 2019-02-25 | 2019-02-25 | A kind of construction machinery backfilling coal cutting roadway |
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| Publication Number | Publication Date |
|---|---|
| CN109653792A true CN109653792A (en) | 2019-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910143639.8A Pending CN109653792A (en) | 2019-02-25 | 2019-02-25 | A kind of construction machinery backfilling coal cutting roadway |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0364149A1 (en) * | 1988-10-03 | 1990-04-18 | Fosroc International Limited | Grouting method and apparatus |
| CN201358813Y (en) * | 2009-03-06 | 2009-12-09 | 江苏鼎甲科技有限公司 | Cast filling compacting equipment for waste rock in mine |
| CN201606111U (en) * | 2009-12-28 | 2010-10-13 | 三一重型装备有限公司 | Crushing, pumping and filling system under gangue mine |
| CN107131000A (en) * | 2017-06-23 | 2017-09-05 | 中煤能源研究院有限责任公司 | A kind of underground coal mine intellectuality injection filling mining equipment |
| CN108060922A (en) * | 2018-01-09 | 2018-05-22 | 中国矿业大学 | A kind of exploitation-supporting-transport-filling integration coalcutter and its process for stoping |
-
2019
- 2019-02-25 CN CN201910143639.8A patent/CN109653792A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0364149A1 (en) * | 1988-10-03 | 1990-04-18 | Fosroc International Limited | Grouting method and apparatus |
| CN201358813Y (en) * | 2009-03-06 | 2009-12-09 | 江苏鼎甲科技有限公司 | Cast filling compacting equipment for waste rock in mine |
| CN201606111U (en) * | 2009-12-28 | 2010-10-13 | 三一重型装备有限公司 | Crushing, pumping and filling system under gangue mine |
| CN107131000A (en) * | 2017-06-23 | 2017-09-05 | 中煤能源研究院有限责任公司 | A kind of underground coal mine intellectuality injection filling mining equipment |
| CN108060922A (en) * | 2018-01-09 | 2018-05-22 | 中国矿业大学 | A kind of exploitation-supporting-transport-filling integration coalcutter and its process for stoping |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190419 |
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