CN111013736A - Movable screening and crushing integrated machine for underground coal mine crossheading - Google Patents
Movable screening and crushing integrated machine for underground coal mine crossheading Download PDFInfo
- Publication number
- CN111013736A CN111013736A CN201911264890.6A CN201911264890A CN111013736A CN 111013736 A CN111013736 A CN 111013736A CN 201911264890 A CN201911264890 A CN 201911264890A CN 111013736 A CN111013736 A CN 111013736A
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- Prior art keywords
- screening
- crushing
- screening device
- tank body
- heightening
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- 238000012216 screening Methods 0.000 title claims abstract description 108
- 239000003245 coal Substances 0.000 title claims abstract description 76
- 230000001965 increasing effect Effects 0.000 claims abstract description 6
- 210000005056 cell body Anatomy 0.000 claims abstract description 5
- 230000003028 elevating effect Effects 0.000 claims abstract description 5
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 239000003818 cinder Substances 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 4
- 230000010354 integration Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 238000007873 sieving Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/02—Disintegrating by mills having rotary beater elements ; Hammer mills with horizontal rotor shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/30—Driving mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/12—Apparatus having only parallel elements
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Disintegrating Or Milling (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The utility model provides a broken all-in-one of portable screening for crossheading in underground coal mine, relates to underground coal mine equipment technical field, sets up in elevating conveyor aircraft nose department and is located the upper portion of belt feeder conveyer belt, including cell body, screening plant, breaker. Screening plant and breaker set up in a device, the coal cinder that gets into the cell body inside from the elevating conveyor aircraft nose sieves through screening plant earlier, little coal cinder passes screening plant and falls into on the belt feeder conveyer belt, big coal cinder slides to the position that contacts breaker along screening plant, broken through breaker, realize screening earlier, the back is broken, avoided the condition that little coal cinder is broken once more, a part of distance has been reserved in screening plant's screening department, the screening time of coal cinder has been increased, so that the screening of coal cinder, big coal cinder contact breaker who fails to pass screening plant is broken, realize the broken integration of screening, do not increase the process, therefore, production efficiency improves relatively.
Description
Technical Field
The invention relates to the technical field of underground coal mine equipment, in particular to a movable screening and crushing integrated machine for an underground coal mine crossheading.
Background
Need carry out the breakage after the coal mining and transport again, the existing mode is that the colliery after the exploitation passes through the breaker breakage earlier, the belt feeder conveyer belt is unloaded to the rethread elevating conveyor, and broken coal cinder is not of uniform size in the breaker, big coal cinder can be broken into the little coal cinder that meets the requirements, but the little coal cinder that just becomes the quality very easily after the breaker breakage again if again, consequently, sieve earlier the coal cinder, the broken mode of back can to a great extent reduce the condition that the little coal cinder is broken once more.
The existing mode of firstly screening and then crushing is to add a screening machine, the screening machine and the crusher are separately operated, and although the mode can achieve the purpose, the production efficiency is reduced due to the increase of working procedures.
Disclosure of Invention
In view of the above, there is a need for a mobile screening and crushing integrated machine for a crossheading of an underground coal mine, which combines screening and crushing.
A movable screening and crushing integrated machine for an underground coal mine crossheading is arranged at a head of a reversed loader and positioned at the upper part of a belt conveyor and comprises a groove body, a screening device and a crushing device, wherein one side, close to the upper part, of the groove body is communicated with the head of the reversed loader, so that coal blocks with different sizes in the head of the reversed loader can enter the groove body, an outlet is formed in the bottom of the groove body, the upper end of the outlet is aligned with the screening device and the crushing device, and the lower end of the outlet is aligned with the belt conveyor; the screening device and the crushing device are arranged inside the tank body, the screening device is obliquely arranged, one end of the screening device is fixed on the inner wall of the tank body close to the head of the reversed loader, the other end of the screening device is fixed at the bottom of the tank body, the screening device, the inner wall of the tank body and the bottom of the tank body form a triangle, the screening device is lower than the head of the reversed loader, so that coal blocks entering the tank body from the head of the reversed loader can fall at one end of the screening device, large coal blocks slide to the other end along one end of the screening device, small coal blocks pass through the screening device to fall to the bottom of the tank body and fall onto a belt conveyor belt along an outlet, the crushing device is arranged at the upper part of the other end of the screening device, the crushing device is close to the screening device, so that large coal blocks sliding to the other end of the screening device cannot pass through a gap, and the crushed coal blocks can pass through the gap between the screening device and the crushing device and slide to the other end of the groove body, and fall onto the conveying belt of the belt conveyor along the outlet.
Preferably, the screening device comprises a bar screen and a fixed frame, the bar screen is uniformly distributed on the fixed frame, the small coal blocks penetrate through the bar screen between every two bar screens, one end of the fixed frame is fixedly connected with the inner wall of the groove body, and the other end of the fixed frame is close to the bottom of the groove body.
Preferably, the crushing device comprises a crushing shaft group, a power part and a height adjusting device, wherein the crushing shaft group is used for crushing large coal blocks, the power part is used for providing power for the crushing shaft group, the height adjusting device is arranged at the lower part of the crushing shaft group, the height direction of the height adjusting device is perpendicular to the axis of the crushing shaft group, the height of the crushing shaft group is adjusted through the height adjusting device, and therefore gaps between the crushing shaft group and the screening device are increased and decreased, and the coal blocks with different sizes are crushed.
Preferably, broken axle group includes fixing base, quartering hammer, and the fixing base rotates with the quartering hammer to be connected, power portion and quartering hammer fixed connection to it is rotatory to drive the quartering hammer, and the one end of increaseing the device and the bottom fixed connection of fixing base, the other end and the bottom fixed connection of cell body have the clearance between quartering hammer and the screening plant.
Preferably, power portion includes driver, action wheel, drive belt, driver and action wheel fixed connection to it is rotatory to drive the action wheel through the driver, and action wheel and quartering hammer are walked around to the conveyer belt, and the action wheel is rotatory to drive the quartering hammer through the conveyer belt and rotate, and the driver rotational speed is too high, through the rotational speed that sets up the reduction quartering hammer of action wheel and conveyer belt.
Preferably, the heightening device comprises a heightening base plate and a heightening oil cylinder, the heightening base plate is arranged between the crushing shaft group and the heightening oil cylinder, and the heightening oil cylinder is fixed at the bottom of the groove body.
Preferably, the bar screens are detachably connected with the fixed frame so that the distance between every two bar screens can be adjusted, and then coal blocks with different sizes can be screened.
By adopting the technical scheme, the invention has the beneficial effects that: screening plant and breaker set up in a device, the coal cinder that gets into the cell body inside from the elevating conveyor aircraft nose sieves through screening plant earlier, little coal cinder passes screening plant and falls into on the belt feeder conveyer belt, big coal cinder slides to the position that contacts breaker along screening plant, broken through breaker, realize screening earlier, the back is broken, avoided the condition that little coal cinder is broken once more, a part of distance has been reserved in screening plant's screening department, the screening time of coal cinder has been increased, so that the screening of coal cinder, big coal cinder contact breaker who fails to pass screening plant is broken, realize the broken integration of screening, do not increase the process, therefore, production efficiency improves relatively.
Drawings
Fig. 1 is a front view of a mobile screening and crushing integrated machine for a crossheading of a well coal mine.
Fig. 2 is a front view of the use state of the mobile screening and crushing integrated machine for the crossheading of the underground coal mine.
Fig. 3 is a schematic structural view of the crushing apparatus.
Figure 4 is a top view of the screening device.
In the figure: the movable screening and crushing integrated machine for the underground coal mine crossheading comprises a movable screening and crushing integrated machine 10, a trough body 20, a screening device 30, a bar screen 31, a fixed frame 32, a crushing device 40, a crushing shaft group 41, a fixed seat 411, a crushing hammer 412, a power part 42, a driving wheel 421, a conveying belt 422, a height adjusting device 43, a height adjusting base plate 431, a height adjusting oil cylinder 432, a hydraulic pipe 433, a hydraulic pump 434, a reversed loader 50 and a belt conveyor 60.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 and 2, an embodiment of the invention provides a mobile screening and crushing integrated machine 10 for a down-cut coal mine, which is arranged at a head of a reversed loader 50 and positioned at the upper part of a conveyor belt 60, and comprises a tank body 20, a screening device 30 and a crushing device 40, wherein one side of the tank body 20 close to the upper part is communicated with the head of the reversed loader 50, so that coal blocks with different sizes in the head of the reversed loader 50 can enter the tank body 20, an outlet is formed in the bottom of the tank body 20, the upper end of the outlet is aligned with the screening device 30 and the crushing device 40, and the lower end of the outlet is aligned with the conveyor belt 60; the screening device 30 and the crushing device 40 are arranged inside the tank body 20, the screening device 30 is obliquely arranged, one end of the screening device 30 is fixed on the inner wall of the tank body 20 close to the head of the reversed loader 50, the other end of the screening device 30 is fixed at the bottom of the tank body 20, the screening device 30, the inner wall of the tank body 20 and the bottom of the tank body 20 form a triangle, the screening device 30 is lower than the head of the reversed loader 50, so that coal blocks entering the tank body 20 from the head of the reversed loader 50 can fall on one end of the screening device 30, large coal blocks slide to the other end along one end of the screening device 30, small coal blocks pass through the screening device 30 to fall on the bottom of the tank body 20 and fall onto a conveyor belt 60 along an outlet, the crushing device 40 is positioned on the upper part of the other end of the screening device 30, the crushing device 40 is arranged close to the screening device 30, so that large coal blocks sliding to the other, so as to contact the crushing device 40 to be crushed by the crushing device 40, and the crushed coal blocks can pass through the gap between the screening device 30 and the crushing device 40, slide to the other end of the groove body 20 and fall onto the conveying belt of the belt conveyor 60 along the outlet.
Referring to fig. 4, further, the screening device 30 includes bar screens 31 and a fixed frame 32, the bar screens 31 are uniformly distributed on the fixed frame 32, the small coal blocks pass through between every two bar screens 31, one end of the fixed frame 32 is fixedly connected with the inner wall of the trough body 20, and the other end of the fixed frame 32 is arranged near the bottom of the trough body 20.
Referring to fig. 1 and 3, further, the crushing device 40 includes a crushing shaft group 41, a power part 42, and a height adjusting device 43, the crushing shaft group 41 crushes large coal blocks, the power part 42 provides power for the crushing shaft group 41, the height adjusting device 43 is disposed at the lower part of the crushing shaft group 41, the height direction of the height adjusting device 43 is perpendicular to the axis of the crushing shaft group 41, so that the height of the crushing shaft group 41 is adjusted by the height adjusting device 43, thereby increasing or decreasing the gap between the crushing shaft group 41 and the sieving device 30, and further crushing coal blocks with different sizes.
Referring to fig. 3, further, the crushing shaft assembly 41 includes a fixing base 411 and a crushing hammer 412, the fixing base 411 is rotatably connected to the crushing hammer 412, the power portion 42 is fixedly connected to the crushing hammer 412 to drive the crushing hammer 412 to rotate, one end of the height adjusting device 43 is fixedly connected to the bottom of the fixing base 411, the other end of the height adjusting device is fixedly connected to the bottom of the chute body 20, and a gap is formed between the crushing hammer 412 and the sieving device 30.
Referring to fig. 1, further, the power portion 42 includes a driver, a driving wheel 421 and a transmission belt, the driver is fixedly connected to the driving wheel 421, so that the driving wheel 421 is driven by the driver to rotate, the transmission belt 422 bypasses the driving wheel 421 and the breaking hammer 412, the driving wheel 421 rotates, the breaking hammer 412 is driven by the transmission belt 422 to rotate, the rotation speed of the driver is too high, and the rotation speed of the breaking hammer 412 is reduced by the arrangement of the driving wheel 421 and the transmission belt 422.
Referring to fig. 3, further, the height adjusting device 43 includes a height adjusting base plate 431, a height adjusting cylinder 432, a hydraulic pipe 433, and a hydraulic pump 434, wherein the height adjusting base plate 431 is disposed between the crushing shaft group 41 and the height adjusting cylinder 432, the height adjusting cylinder 432 is fixed at the bottom of the tank body 20, and the hydraulic pump 434 is connected with an inlet and an outlet of the height adjusting cylinder 432 through the hydraulic pipe 433, so as to control the lifting of the height adjusting cylinder 432 through the hydraulic pump 434, and further adjust the height of the height adjusting cylinder 432.
Furthermore, a clamping groove is formed in the inner side wall of the fixed frame 32, clamping blocks are arranged at two opposite ends of the bar screen 31 and are matched with the clamping grooves, the bar screen 31 is clamped with the fixed frame 32, and each bar screen 31 can be clamped in the clamping groove of any one fixed frame 32, so that the gap between the two bar screens 31 can be adjusted by increasing or decreasing the number of the bar screens 31, and the size of the screened coal blocks of the screening device 30 can be adjusted.
Referring to fig. 3, two height-adjusting devices 43 are further provided, which are respectively disposed near and at the material-breaking hammer 412.
Furthermore, the inclination angle of the screening plate is 20-45 degrees, the inclination angle can be adjusted according to the actual situation, wherein the optimal inclination angle is 28 degrees.
Referring to fig. 2, further, the mobile screening and crushing all-in-one machine 10 for the underground coal mine crossheading is connected with the wheel carrier of the belt conveyor 60 so as to move on the guide rail of the belt conveyor 60 through the wheel carrier of the belt conveyor 60, the wheel carrier of the belt conveyor 60 is connected with the trolley of the belt conveyor 60, and the trolley of the belt conveyor 60 is connected with the head of the reversed loader 50, so that the mobile screening and crushing all-in-one machine 10 for the underground coal mine crossheading and the head of the reversed loader 50 can move synchronously.
When the device is used specifically, a driver is started, the breaking hammers 412 are driven to rotate by the driving wheel 421 and the conveying belt 422, coal blocks with different sizes enter the groove body 20 through the head of the reversed loader 50 and fall into one end of the screening device 30, small coal blocks pass through the gap between every two bar screens 31 and pass through the outlet to fall onto the conveying belt of the belt conveyor 60 to be conveyed away, large coal blocks which do not pass through the bar screens 31 slide from one end of the screening device 30 to the other end of the screening device 30 and contact with the breaking hammers 412 in the sliding process to be broken by the breaking hammers 412, the small coal blocks after being broken pass through the gap between the screening device 30 and the breaking hammers 412 and pass through the outlet to fall onto the conveying belt of the belt conveyor 60 to be conveyed away, the purposes of first screening and later breaking are achieved, and the screening and breaking are designed into a whole.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a broken all-in-one of portable screening is used to well worker colliery crossheading, sets up in elevating conveyor aircraft nose department and is located the upper portion of belt feeder conveyer belt, its characterized in that: the coal conveyor comprises a tank body, a screening device and a crushing device, wherein one side of the tank body, which is close to the upper part, is communicated with a head of a reversed loader, so that coal blocks with different sizes in the head of the reversed loader can enter the tank body, an outlet is formed in the bottom of the tank body, the upper end of the outlet is aligned with the screening device and the crushing device, and the lower end of the outlet is aligned with a conveyor belt of the belt conveyor; the screening device and the crushing device are arranged inside the tank body, the screening device is obliquely arranged, one end of the screening device is fixed on the inner wall of the tank body close to the head of the reversed loader, the other end of the screening device is fixed at the bottom of the tank body, the screening device, the inner wall of the tank body and the bottom of the tank body form a triangle, the screening device is lower than the head of the reversed loader, so that coal blocks entering the tank body from the head of the reversed loader can fall at one end of the screening device, large coal blocks slide to the other end along one end of the screening device, small coal blocks pass through the screening device to fall to the bottom of the tank body and fall onto a belt conveyor belt along an outlet, the crushing device is arranged at the upper part of the other end of the screening device, the crushing device is close to the screening device, so that large coal blocks sliding to the other end of the screening device cannot pass through a gap, and the crushed coal blocks can pass through the gap between the screening device and the crushing device and slide to the other end of the groove body, and fall onto the conveying belt of the belt conveyor along the outlet.
2. The mobile screening and crushing all-in-one machine for the underground coal mine crossheading as claimed in claim 1, wherein: the screening device comprises bar sieves and a fixed frame, the bar sieves are uniformly distributed on the fixed frame, the small coal blocks penetrate through every two bar sieves, one end of the fixed frame is fixedly connected with the inner wall of the groove body, and the other end of the fixed frame is close to the bottom of the groove body.
3. The mobile screening and crushing all-in-one machine for the underground coal mine crossheading as claimed in claim 2, wherein: the crushing device comprises a crushing shaft group, a power part and a heightening device, wherein the crushing shaft group crushes large coal blocks, the power part provides power for the crushing shaft group, the heightening device is arranged at the lower part of the crushing shaft group, the height direction of the heightening device is perpendicular to the axis of the crushing shaft group, the height of the crushing shaft group is adjusted through the heightening device, and therefore gaps between the crushing shaft group and the screening device are increased and decreased, and the coal blocks with different sizes are crushed.
4. The mobile screening and crushing all-in-one machine for the underground coal mine crossheading as claimed in claim 3, wherein: broken axle group includes fixing base, quartering hammer, and the fixing base rotates with the quartering hammer to be connected, power portion and quartering hammer fixed connection to it is rotatory to drive the quartering hammer, and the one end of heightening device and the bottom fixed connection of fixing base, the other end and the bottom fixed connection of cell body have the clearance between quartering hammer and the screening plant.
5. The mobile screening and crushing all-in-one machine for the underground coal mine crossheading, as claimed in claim 4, wherein: the power portion includes driver, action wheel, drive belt, driver and action wheel fixed connection to it is rotatory to drive the action wheel through the driver, and action wheel and quartering hammer are walked around to the conveyer belt, and the action wheel is rotatory to drive the quartering hammer through the conveyer belt and rotate, and the driver rotational speed is too high, through the rotational speed that sets up the reduction quartering hammer of action wheel and conveyer belt.
6. The mobile screening and crushing all-in-one machine for the underground coal mine crossheading, as claimed in claim 5, wherein: the heightening device comprises a heightening base plate and a heightening oil cylinder, the heightening base plate is arranged between the crushing shaft group and the heightening oil cylinder, and the heightening oil cylinder is fixed at the bottom of the groove body.
7. The mobile screening and crushing all-in-one machine for the underground coal mine crossheading as claimed in claim 6, wherein: the bar sieves can be detachably connected with the fixed frame, so that the distance between every two bar sieves can be adjusted, and then coal blocks with different sizes can be sieved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911264890.6A CN111013736A (en) | 2019-12-11 | 2019-12-11 | Movable screening and crushing integrated machine for underground coal mine crossheading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911264890.6A CN111013736A (en) | 2019-12-11 | 2019-12-11 | Movable screening and crushing integrated machine for underground coal mine crossheading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111013736A true CN111013736A (en) | 2020-04-17 |
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ID=70205757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911264890.6A Pending CN111013736A (en) | 2019-12-11 | 2019-12-11 | Movable screening and crushing integrated machine for underground coal mine crossheading |
Country Status (1)
| Country | Link |
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| CN (1) | CN111013736A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111558444A (en) * | 2020-05-29 | 2020-08-21 | 宁夏天地奔牛实业集团有限公司 | Ore selective crushing device for underground belt middle section |
| CN111591680A (en) * | 2020-05-21 | 2020-08-28 | 宁夏天地奔牛实业集团有限公司 | Bidirectional transportation, screening, crushing and transshipment system for crossheading |
| CN111744654A (en) * | 2020-06-08 | 2020-10-09 | 宁夏天地奔牛实业集团有限公司 | Crossheading roller type screening, crushing and transferring device |
| CN113306589A (en) * | 2021-06-08 | 2021-08-27 | 淮北祥泰科技有限责任公司 | Intelligent transfer trolley with rails and using method |
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| CN204276129U (en) * | 2014-11-25 | 2015-04-22 | 山东科技大学 | A kind of raw coal crushing and screening device |
| CN204999263U (en) * | 2015-09-18 | 2016-01-27 | 宁夏天地奔牛实业集团有限公司 | System for improve lump coal rate of producing coal in pit |
| CN107701225A (en) * | 2017-06-30 | 2018-02-16 | 中国矿业大学 | A kind of crossheading transfer system that precrushing can be carried out to gathering coal |
| CN207056667U (en) * | 2017-08-05 | 2018-03-02 | 杭州航民热电有限公司 | A kind of coal crusher |
| CN208482545U (en) * | 2018-05-03 | 2019-02-12 | 永春县众创科技有限公司 | A kind of coal separation station-service coal briquette crushing device |
| CN212142828U (en) * | 2019-12-11 | 2020-12-15 | 宁夏天地奔牛实业集团有限公司 | Movable screening and crushing integrated machine for underground coal mine crossheading |
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2019
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Patent Citations (6)
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| CN204276129U (en) * | 2014-11-25 | 2015-04-22 | 山东科技大学 | A kind of raw coal crushing and screening device |
| CN204999263U (en) * | 2015-09-18 | 2016-01-27 | 宁夏天地奔牛实业集团有限公司 | System for improve lump coal rate of producing coal in pit |
| CN107701225A (en) * | 2017-06-30 | 2018-02-16 | 中国矿业大学 | A kind of crossheading transfer system that precrushing can be carried out to gathering coal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111591680A (en) * | 2020-05-21 | 2020-08-28 | 宁夏天地奔牛实业集团有限公司 | Bidirectional transportation, screening, crushing and transshipment system for crossheading |
| CN111558444A (en) * | 2020-05-29 | 2020-08-21 | 宁夏天地奔牛实业集团有限公司 | Ore selective crushing device for underground belt middle section |
| CN111744654A (en) * | 2020-06-08 | 2020-10-09 | 宁夏天地奔牛实业集团有限公司 | Crossheading roller type screening, crushing and transferring device |
| CN113306589A (en) * | 2021-06-08 | 2021-08-27 | 淮北祥泰科技有限责任公司 | Intelligent transfer trolley with rails and using method |
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