CN111255003A - Coal mine underground water bin dredging equipment - Google Patents
Coal mine underground water bin dredging equipment Download PDFInfo
- Publication number
- CN111255003A CN111255003A CN202010065595.4A CN202010065595A CN111255003A CN 111255003 A CN111255003 A CN 111255003A CN 202010065595 A CN202010065595 A CN 202010065595A CN 111255003 A CN111255003 A CN 111255003A
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- Prior art keywords
- coal
- motor vehicle
- driving wheel
- wheel
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
- E02F5/285—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways with drag buckets or scraper plates
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/02—Conveying equipment mounted on a dredger
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/02—Conveying equipment mounted on a dredger
- E02F7/026—Conveying equipment mounted on a dredger mounted on machines equipped with dipper- or bucket-arms
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/06—Delivery chutes or screening plants or mixing plants mounted on dredgers or excavators
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention relates to the technical field of sump dredging, and discloses a coal mine sump dredging device, which comprises: the motor vehicle is provided with a coal shoveling mechanism, a transportation mechanism, an extrusion drainage mechanism and a water storage tank; when the motor vehicle travels, the coal shoveling mechanism is driven to shovel coal slime, the conveying mechanism is used for conveying the shoveled coal slime to the extrusion drainage mechanism, the conveying mechanism is connected with the coal shoveling mechanism, and the conveying mechanism is arranged at the front part of the motor vehicle and extends to the upper part of the rear part; the extrusion drainage mechanism is used for extruding and draining the coal slime and is arranged above the rear part of the motor vehicle; the invention relates to a coal mine underground sump dredging device, which is characterized in that a plurality of functions of coal shoveling, transporting and extruding are intensively arranged on a motor vehicle, so that the efficiency of sump dredging is improved, and time and labor are saved.
Description
Technical Field
The invention relates to the technical field of sump dredging, in particular to a coal mine sump dredging device.
Background
The underground water sump of the coal mine is an important facility for preventing mine flood and ensuring safe production of the coal mine, coal slime carried by mine water in the process of flowing to the water sump is precipitated in the water sump, the water storage function of the water sump is influenced, and the coal slime must be timely dug.
The existing method is that water is pumped away firstly, precipitated coal slime is dredged through manual dredging or dredging by matching an excavator with a transport vehicle, the dredged coal slime needs to be transferred to extrusion drainage equipment for extrusion drainage, the coal slime is transported to a transport belt after drainage and then is transported out, multiple devices are needed to be matched to complete dredging and extrusion drainage, the process is complicated, and time and labor are consumed.
Disclosure of Invention
The invention provides coal mine underground water sump dredging equipment which can solve the problems in the prior art.
The invention provides a coal mine underground water silo dredging device, which comprises: the explosion-proof motor vehicle is provided with a coal shoveling mechanism, a conveying mechanism, an extrusion drainage mechanism and a water storage tank;
when the motor vehicle runs, the coal shoveling mechanism is driven to shovel coal slime, and is arranged in front of the motor vehicle;
the transport mechanism is used for transporting the scooped coal slime to the extrusion drainage mechanism, the transport mechanism is connected with the coal scooping mechanism, and the transport mechanism is arranged at the front part of the motor vehicle and extends to the upper part of the rear part;
the extrusion drainage mechanism is used for extruding and draining the coal slime and is arranged above the rear part of the motor vehicle;
the water storage tank is used for storing water discharged after the coal slime is extruded, the water storage tank is arranged below the rear part of the motor vehicle, the water storage tank is positioned right below the extrusion drainage mechanism and is communicated with the extrusion drainage mechanism, a drainage pipe is arranged on the water storage tank, and a drainage valve is arranged on the drainage pipe;
the coal shoveling mechanism, the transporting mechanism and the extrusion drainage mechanism are connected with a power supply through a control switch assembly.
The coal shoveling mechanism comprises: shovel head, electric cylinder and two first dead levers, shovel head slope lies in the place ahead of motor vehicle downwards, and the upper portion both ends of shovel head articulate in the outer end of first dead lever, and the inner of first dead lever is fixed on the motor vehicle, and electric cylinder's stiff end passes through the connecting rod to be fixed on first dead lever, and electric cylinder's flexible end is articulated with the side middle part of shovel head, and electric cylinder passes through control switch subassembly and connects.
The transport mechanism includes: the first driving wheel, the first belt, the first driven wheel and the first driving motor are arranged, a rotating shaft of the first driven wheel is arranged on the first fixing rod through a first bearing, the first driven wheel is arranged on the lower portion of the front of the motor vehicle, the first belt sleeve is arranged between the first driving wheel and the first driven wheel, an output shaft of the first driving motor is fixedly connected with the rotating shaft of the first driving wheel, and the first driving motor is connected with a power supply through a control switch assembly.
Transport mechanism still includes second action wheel, second belt, second from the driving wheel, and the second action wheel is located first action wheel under, and the epaxial cover of second action wheel is equipped with the belt pulley, and the second is set up in the rear portion top of motor vehicle from the driving wheel, and the second belt cover is established between second action wheel and second follow driving wheel, and first driving motor passes through driving belt and belt pulley and is connected with the second action wheel.
The extrusion drainage mechanism comprises an upper box body, and a second driving motor, a transmission shaft, a helical blade and a filter cartridge are arranged in the upper box body; the output shaft of second driving motor passes through shaft coupling fixed connection with the transmission axle, helical blade sets up on the transmission axle, the cartridge filter sets up the circumference outside at helical blade, it all is equipped with the feed inlet to go up the top of box and correspond the department on the cartridge filter, the rear portion of going up the box is just being equipped with the bin outlet to cartridge filter department, first action wheel or second are located the feed inlet directly over from the driving wheel, the bottom of going up the box is equipped with the outlet, the top of water storage box corresponds drain outlet department and is equipped with the water inlet, the drain cover sets up in the water inlet, second driving motor passes through control switch subassembly and connects the power.
The transmission shaft, the spiral blades, the filter cartridges, the feed inlet and the discharge outlet are multiple, gears are arranged at the right ends of the spiral blades, two adjacent gears are meshed and connected, the spiral directions of the spiral blades on two adjacent transmission shafts are opposite, and one transmission shaft is fixedly connected with the output shaft of the second driving motor through a coupler.
The first driving wheel is fixed above the upper box body through a first supporting rod.
And a waterproof sealing box is arranged outside the second driving motor.
And a chute for guiding materials is arranged on the discharge opening in an inclined and downward manner.
And a plurality of wheels of the motor vehicle are provided with tracks.
Compared with the prior art, the invention has the beneficial effects that:
the coal shoveling mechanism is pushed by the motor vehicle to shovel coal slime in the advancing process, the shoveled coal slime is discharged into the extrusion drainage mechanism through the conveying mechanism to be extruded and drained, the extrusion drainage mechanism extrudes the coal slime to extrude water in the coal slime, the extruded water is discharged into the water storage tank, the coal slime after the water is extruded is accumulated to a set position and then is discharged to the coal conveying belt from the extrusion drainage mechanism to convey the coal away.
Drawings
Fig. 1 is a schematic structural diagram of a side surface of a coal mine underground water bunker dredging device provided by an embodiment of the invention.
Fig. 2 is a schematic structural diagram of a coal mine underground bunker dredging device in a top view according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an extrusion drainage mechanism in a coal mine underground bunker dredging device according to an embodiment of the present invention.
Description of reference numerals:
1-shovel head, 2-electric cylinder, 3-first driven wheel, 4-first belt, 5-first driving wheel, 6-second driving wheel, 7-second belt, 8-second driven wheel, 9-chute, 10-second driving motor, 11-helical blade, 12-filter cylinder, 13-driving belt, 14-upper box body, 15-discharge outlet, 16-first driving motor, 17-feed inlet, 18-water storage tank, 19-water outlet, 20-wheel, 21-crawler belt, 22-motor vehicle, 23-first fixed rod, 24-drain valve, 25-gear, 26-chute.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to fig. 1-3, but it should be understood that the scope of the present invention is not limited to the embodiment.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing technical solutions of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The coal mine underground water bin dredging device provided by the embodiment of the invention comprises: the explosion-proof motor vehicle 22, the motor vehicle 22 is equipped with coal shoveling mechanism, transporting mechanism, squeezing drainage mechanism and water storage tank 18;
when the motor vehicle runs, the coal shoveling mechanism is driven to shovel coal slime, and is arranged in front of the motor vehicle 22;
the transport mechanism is used for transporting the scooped coal slime to the extrusion drainage mechanism, the transport mechanism is connected with the coal scooping mechanism, and the transport mechanism is arranged at the front part of the motor vehicle 22 and extends to the upper part of the rear part;
the extrusion drainage mechanism is used for extruding and draining the coal slime and is arranged above the rear part of the motor vehicle 22;
the water storage tank 18 is used for storing water discharged after coal slime extrusion, the water storage tank 18 is arranged below the rear part of the motor vehicle 22, the water storage tank 18 is positioned right below the extrusion drainage mechanism and is communicated with the extrusion drainage mechanism, a drainage pipe 17 is arranged on the water storage tank 18, and a drainage valve 24 is arranged on the drainage pipe 17;
the coal shoveling mechanism, the transporting mechanism and the extrusion drainage mechanism are connected with a power supply through a control switch assembly.
The control switch and the power supply are explosion-proof devices.
As shown in fig. 1, the coal shoveling mechanism includes: shovel head 1, electric cylinder 2 and two first dead levers 23, shovel head 1 slope lies in the place ahead of motor vehicle downwards, and the upper portion both ends of shovel head 1 articulate in the outer end of first dead lever 23, and the inner of first dead lever 23 is fixed on motor vehicle 22, and the stiff end of electric cylinder 2 passes through the connecting rod to be fixed on first dead lever 23, and the flexible end of electric cylinder 2 is articulated with the side middle part of shovel head 1, and electric cylinder 2 passes through the control switch subassembly and connects the power.
Electric cylinder 2 is used for adjusting the height of shovel head 1 for shovel head 1 puts down when using, shovels the coal slime along with motor vehicle 22's walking, and shovel head 1 is when not using, and electric cylinder 2 extends and drives shovel head 1 and leave the coal slime surface.
The transport mechanism includes: first action wheel 5, first belt 4, it is first from driving wheel 3 and first driving motor 16, first action wheel 5 sets up the rear portion top at the motor vehicle, first pivot from driving wheel 3 passes through first bearing setting on first dead lever 23, it is first from driving wheel 3 setting in the place ahead lower part of motor vehicle, first belt 4 cover is established at first action wheel 5 and first from driving wheel 3 between, the output shaft of first driving motor 16 and the pivot fixed connection of first action wheel 5, first driving motor 16 passes through the control switch subassembly and connects the power. The first drive motor 16 is an explosion proof motor.
As shown in fig. 1, the transportation mechanism further includes a second driving wheel 6, a second belt 7, and a second driven wheel 8, the second driving wheel 6 is located under the first driving wheel 5, a belt pulley is sleeved on a shaft of the second driving wheel 6, the second driven wheel 8 is arranged above the rear portion of the motor vehicle, the second belt 7 is sleeved between the second driving wheel 6 and the second driven wheel 8, and the first driving motor 16 is connected with the second driving wheel 6 through a driving belt 13 and the belt pulley.
As shown in fig. 2, the squeezing drainage mechanism includes an upper tank 14, and a second driving motor 10, a transmission shaft, a helical blade 11 and a filter cartridge 12 are arranged in the upper tank 14; the output shaft of second driving motor 10 passes through shaft coupling fixed connection with the transmission axle, helical blade 11 sets up on the transmission axle, cartridge filter 12 sets up the circumference outside at helical blade 11, it all is equipped with feed inlet 17 to go up the top of box 14 and correspond the department on cartridge filter 12, the rear portion of going up box 14 is just being equipped with bin outlet 15 to cartridge filter 12 department, first action wheel 5 or second are located feed inlet 17 from driving wheel 8 directly over, the bottom of going up box 14 is equipped with outlet 19, the top of water storage box 18 corresponds outlet 19 department and is equipped with the water inlet, outlet 19 cover is set up in the water inlet, second driving motor 10 passes through the control switch subassembly and connects the power.
The second driving motor 10 is an explosion-proof motor, and a chute 26 for conveying coal slime is arranged between the first driving wheel 5 or the second driven wheel 8 and the feeding hole.
As shown in fig. 3, transmission axle, helical blade 11, cartridge filter 12, feed inlet 17 and bin outlet 15 are a plurality ofly, and the right-hand member of a plurality of transmission axles all is equipped with gear 25, and the meshing is connected between two adjacent gears 25, and two adjacent epaxial helical blade 11 of transmission's spiral opposite direction, and a transmission axle passes through shaft coupling fixed connection with second driving motor 10's output shaft, and a plurality of cartridge filters 12 carry out the drainage extrusion to the coal slime simultaneously, have improved the ability that the coal slime was handled to the device, have improved the work efficiency of clear digging in the pit of colliery.
The first driving wheel 5 is fixed above the upper box body 14 through a first supporting rod.
A waterproof sealing box is arranged outside the second driving motor 10.
The discharge opening 15 is provided with a chute 9 for guiding materials in an upward inclined and downward direction.
The caterpillar bands 21 are arranged on the wheels 20 of the motor vehicle 22, and the caterpillar bands 21 increase the stress area between the motor vehicle and the coal slime, so that the motor vehicle is prevented from sinking into the coal slime.
The coal slurry is conveyed to the chute 9 along with the rotation of the first driving wheel 5, falls into the filter cylinder 12 through the chute 9 and the feed inlet 17, rotates in the filter cylinder 12 under the rotation of the second driving motor 10, is discharged into the upper box 14 through the filter cylinder 12 by centrifugal force, is discharged into the water storage tank 18 through the water outlet 19 at the bottom of the upper box 14, is conveyed to the discharge outlet through the spiral blade 11 as more and more coal slurry is in the filter cylinder 12, is extruded during the conveying process, water in the coal slurry is discharged into the upper box 14 through the filter barrel 12, and finally, when more and more coal slurry is in the upper box 14 and reaches a set volume, the motor vehicle 22 stops shoveling the coal and stops conveying the coal slurry and simultaneously stops extruding, the motor vehicle is driven to be close to the coal conveying belt, the discharge opening 15 is opened, the second driving motor 10 is started, the transmission shaft discharges coal slurry from the discharge opening 15 to the coal conveying belt through the chute 9 through the helical blade 11 and then is conveyed out of the ground, and when water in the water storage tank 18 reaches a set water level, the water in the water storage tank 18 is discharged out of the water storage tank 18 through the water discharge pipe and the water discharge valve 24.
The coal shoveling mechanism is pushed by the motor vehicle to shovel coal slime in the advancing process, the shoveled coal slime is discharged into the extrusion drainage mechanism through the conveying mechanism to be extruded and drained, the extrusion drainage mechanism extrudes the coal slime to extrude moisture in the coal slime, the extruded moisture is discharged into the water storage tank, the coal slime after the moisture is extruded is accumulated to a set position and then is discharged to the coal conveying belt to convey away coal.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (10)
1. The utility model provides a clear equipment of digging of colliery sump in pit which characterized in that includes: the explosion-proof motor vehicle (22), there are coal shoveling organization, transport mechanism, squeezing the drainage mechanism and water storage tank (18) on the motor vehicle (22);
when the motor vehicle runs, the coal shoveling mechanism is driven to shovel coal slime, and is arranged in front of the motor vehicle (22);
the transport mechanism is used for transporting the scooped coal slime to the extrusion drainage mechanism, the transport mechanism is connected with the coal scooping mechanism, and the transport mechanism is arranged at the front part of the motor vehicle (22) and extends to the upper part of the rear part;
the extrusion drainage mechanism is used for extruding and draining the coal slime and is arranged above the rear part of the motor vehicle (22);
the water storage tank (18) is used for storing water discharged after coal slime extrusion, the water storage tank (18) is arranged below the rear part of the motor vehicle (22), the water storage tank (18) is positioned right below the extrusion drainage mechanism and is communicated with the extrusion drainage mechanism, a drainage pipe (17) is arranged on the water storage tank (18), and a drainage valve (24) is arranged on the drainage pipe (17);
the coal shoveling mechanism, the transporting mechanism and the extrusion drainage mechanism are connected with a power supply through a control switch assembly.
2. The coal mine underground sump dredging apparatus of claim 1, wherein the coal shoveling mechanism comprises: shovel head (1), electric cylinder (2) and two first dead lever (23), shovel head (1) slope is located the place ahead of motor vehicle downwards, the upper portion both ends of shovel head (1) articulate the outer end at first dead lever (23), the inner of first dead lever (23) is fixed on the motor vehicle, the stiff end of electric cylinder (2) passes through the connecting rod to be fixed on first dead lever (23), the flexible end of electric cylinder (2) is articulated with the side middle part of shovel head (1), electric cylinder (2) are through the control switch subassembly connection power.
3. The coal mine underground water sump dredging apparatus of claim 1, wherein the transportation mechanism comprises: first action wheel (5), first belt (4), first from driving wheel (3) and first driving motor (16), first pivot from driving wheel (3) is passed through first bearing setting on first dead lever (23), first from driving wheel (3) setting is in the place ahead lower part of motor vehicle, first belt (4) cover is established between first action wheel (5) and first driven wheel (3), the output shaft of first driving motor (16) and the pivot fixed connection of first action wheel (5), first driving motor (16) are through control switch subassembly connection power.
4. The coal mine underground water sump dredging device according to claim 3, wherein the transportation mechanism further comprises a second driving wheel (6), a second belt (7) and a second driven wheel (8), the second driving wheel (6) is located under the first driving wheel (5), a belt pulley is sleeved on a shaft of the second driving wheel (6), the second driven wheel (8) is arranged above the rear portion of the motor vehicle, the second belt (7) is sleeved between the second driving wheel (6) and the second driven wheel (8), and the first driving motor (16) is connected with the second driving wheel (6) through a driving belt (13) and the belt pulley.
5. The coal mine underground water silo dredging equipment according to claim 3 or 4, characterized in that the extrusion drainage mechanism comprises an upper box body (14), and a second driving motor (10), a transmission shaft, a helical blade (11) and a filter cylinder (12) are arranged in the upper box body (14); the output shaft of second driving motor (10) passes through shaft coupling fixed connection with the transmission axle, helical blade (11) set up on the transmission axle, cartridge filter (12) set up the circumference outside at helical blade (11), it all is equipped with feed inlet (17) to go up the top of box (14) and correspond the department on cartridge filter (12), the rear portion of going up box (14) just is equipped with bin outlet (15) to cartridge filter (12) department, first action wheel (5) or second are located feed inlet (17) directly over from driving wheel (8), the bottom of going up box (14) is equipped with outlet (19), the top of water storage box (18) corresponds outlet (19) department and is equipped with the water inlet, outlet (19) cover is equipped with in the water inlet, second driving motor (10) are through control switch subassembly connection power.
6. The coal mine underground water silo dredging device according to claim 5, characterized in that the number of the transmission shafts, the helical blades (11), the filter cartridges (12), the feed inlets (17) and the discharge outlets (15) is multiple, the right ends of the helical blades (11) are respectively provided with a gear (25), two adjacent gears (25) are meshed and connected, the helical directions of the helical blades (11) on two adjacent transmission shafts are opposite, and one transmission shaft is fixedly connected with the output shaft of the second driving motor (10) through a coupler.
7. A coal mine underground water bunker dredging device according to claim 3, characterized in that the first driving wheel (5) is fixed above the upper box (14) by a first support bar.
8. The coal mine underground water silo dredging device according to claim 5, characterized in that a waterproof sealing box is arranged outside the second driving motor (10).
9. The coal mine underground water silo dredging equipment according to the claim 5, characterized in that the discharge port (15) is provided with a chute (9) for guiding materials in an upward inclined and downward direction.
10. A coal mine sump dredging apparatus as claimed in claim 1, wherein the vehicle (22) is provided with tracks (21) on a plurality of wheels (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010065595.4A CN111255003A (en) | 2020-01-20 | 2020-01-20 | Coal mine underground water bin dredging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010065595.4A CN111255003A (en) | 2020-01-20 | 2020-01-20 | Coal mine underground water bin dredging equipment |
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| Publication Number | Publication Date |
|---|---|
| CN111255003A true CN111255003A (en) | 2020-06-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010065595.4A Pending CN111255003A (en) | 2020-01-20 | 2020-01-20 | Coal mine underground water bin dredging equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN111255003A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609758A (en) * | 2020-12-21 | 2021-04-06 | 临沂矿业集团有限责任公司 | Multifunctional excavating device |
| CN112663714A (en) * | 2020-12-23 | 2021-04-16 | 临沂矿业集团有限责任公司 | Coal mine underground water bin dredging equipment |
| CN113417330A (en) * | 2021-06-28 | 2021-09-21 | 谢进 | Hydraulic engineering uses high-efficient silt remover |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942847A (en) * | 2009-07-10 | 2011-01-12 | 北京中矿环保科技股份有限公司 | Dredging conveyer |
| CN203403907U (en) * | 2013-08-16 | 2014-01-22 | 徐州天科机械制造有限公司 | Crawler-type coal slime clearing and excavating machine |
| CN104056729A (en) * | 2014-06-30 | 2014-09-24 | 山西东华机械有限公司 | Self walking type water coal separating machine |
| CN109985436A (en) * | 2019-04-11 | 2019-07-09 | 河南万合机械有限公司 | Underground water coal separation system and water coal separation method |
-
2020
- 2020-01-20 CN CN202010065595.4A patent/CN111255003A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942847A (en) * | 2009-07-10 | 2011-01-12 | 北京中矿环保科技股份有限公司 | Dredging conveyer |
| CN203403907U (en) * | 2013-08-16 | 2014-01-22 | 徐州天科机械制造有限公司 | Crawler-type coal slime clearing and excavating machine |
| CN104056729A (en) * | 2014-06-30 | 2014-09-24 | 山西东华机械有限公司 | Self walking type water coal separating machine |
| CN109985436A (en) * | 2019-04-11 | 2019-07-09 | 河南万合机械有限公司 | Underground water coal separation system and water coal separation method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112609758A (en) * | 2020-12-21 | 2021-04-06 | 临沂矿业集团有限责任公司 | Multifunctional excavating device |
| CN112663714A (en) * | 2020-12-23 | 2021-04-16 | 临沂矿业集团有限责任公司 | Coal mine underground water bin dredging equipment |
| CN113417330A (en) * | 2021-06-28 | 2021-09-21 | 谢进 | Hydraulic engineering uses high-efficient silt remover |
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Application publication date: 20200609 |
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