CN111608656A - Combined type efficient coal mining machine with pre-screening function - Google Patents
Combined type efficient coal mining machine with pre-screening function Download PDFInfo
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- CN111608656A CN111608656A CN202010500864.5A CN202010500864A CN111608656A CN 111608656 A CN111608656 A CN 111608656A CN 202010500864 A CN202010500864 A CN 202010500864A CN 111608656 A CN111608656 A CN 111608656A
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- 239000003245 coal Substances 0.000 title claims abstract description 185
- 238000012216 screening Methods 0.000 title claims abstract description 75
- 238000005065 mining Methods 0.000 title claims abstract description 63
- 239000002817 coal dust Substances 0.000 claims abstract description 69
- 238000000926 separation method Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 21
- 239000004484 Briquette Substances 0.000 claims description 10
- 239000000843 powder Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000005553 drilling Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000002411 adverse Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C27/00—Machines which completely free the mineral from the seam
- E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
-
- 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
- B07B1/10—Screens in the form of endless moving bands
-
- 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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
- E21C35/20—General features of equipment for removal of chippings, e.g. for loading on conveyor
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
The invention discloses a combined type high-efficiency coal mining machine with a pre-screening function, which can realize screening and separation of coal blocks and coal dust while conveying the coal bed after mining, ensures different transportation of subsequent coal dust and coal blocks, can directly place the coal dust in special conveying equipment, reduces adverse effects of the coal dust on the environment, and ensures the environmental protection of coal mining.
Description
Technical Field
The invention particularly relates to a combined type efficient coal mining machine with a pre-screening function, and belongs to the technical field of coal mining equipment.
Background
At present, for the coal mining, not only can coal briquettes be mined, but also a lot of coal dust can be generated inevitably, at present, the coal briquettes and the coal dust are generally conveyed to conveying equipment together for conveying, and then are sorted in subsequent use, so that when the coal briquettes and the coal dust are conveyed on the conveying equipment, the factory prices of the coal briquettes and the coal dust can be influenced, the environment can be polluted, the dust flies, and the social environment is influenced.
Disclosure of Invention
The invention aims to provide a combined type high-efficiency coal mining machine with a pre-screening function, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a combined high-efficiency coal mining machine with a pre-screening function comprises an underframe, a long support, a short support, a coal block conveying and screening mechanism, a coal powder receiving and conveying mechanism, a coal powder suction charging mechanism, a coal mining drill bit and a coal mining saw cutting tool, wherein a travelling mechanism convenient for moving the underframe forwards is arranged at the bottom of the underframe, the short support is arranged on one side of the underframe, which faces a coal seam to be mined, and the long support is arranged on one side of the underframe, which is far away from the coal seam to be mined, and the combined high-efficiency coal mining machine is characterized in that the coal block conveying and screening mechanism is supported and wound by the upper support and the short support and is an annular conveyor, the inner side of an annular area of the coal block conveying and screening mechanism is provided with the coal powder receiving and conveying mechanism which is adaptive to the shape of the coal block conveying and screening mechanism, and a screening hole which penetrates through, the buggy can pass through the screening hole drops the screening extremely on the buggy meets material and conveying mechanism's the conveying face, the buggy meets the material and is close to with conveying mechanism's upper portion the position at long support top is provided with the suction storehouse, the suction storehouse with buggy suction charging mechanism intercommunication, so that the realization is right the buggy meets material and conveying mechanism's buggy and carries out suction and collection, but the top of short support is provided with angle regulation's at least coal mining drill bit and coal mining saw cut the cutter.
Further, as preferred, running gear includes a plurality of walking wheels and a plurality of locking support hydraulic column, each walking wheel spaced support is in the bottom of chassis, each one side of walking wheel is provided with at least one locking support hydraulic column, when the walking antedisplacement, the hydraulic column shrink is supported in the locking, when fixing the exploitation to this miner, the hydraulic column extension is supported in order to realize right the locking of miner is supported.
Further, preferably, the coal mining sawing cutter is a circular cutter capable of rotating at a high speed, the coal mining drill bit is fixed on a drilling tool, the drilling tool is connected to a rack above the bottom frame through an angle adjusting connecting rod assembly, and the spatial position of the coal mining drill bit is adjusted through the angle adjusting connecting rod assembly.
Further, as a preferred option, the coal conveying and screening mechanism comprises an annular conveying belt, a driving conveying belt wheel and a driven conveying belt wheel, wherein the driving conveying belt wheel is arranged on the long support, the driven conveying belt wheel is arranged on the short support, the annular conveying belt is wound between the driving conveying belt wheel and the driven conveying belt wheel, the screening holes are densely arranged on the annular conveying belt, and baffles are arranged on the annular conveying belt at intervals so as to use the baffles to carry out auxiliary conveying on the coal.
Further, as preferred, the buggy connects material and conveying mechanism includes that the buggy connects material to carry endless belt, action wheel and follows the driving wheel, the action wheel supports and sets up the side below of initiative driving pulley, it supports from the driving wheel adoption to support from the driving wheel support one side of driven pulley, the buggy connects material to carry the endless belt to wind and establishes on action wheel and the driven wheel, the buggy connects the arch that is provided with the interval arrangement on the material to carry the endless belt, each the interval to the buggy is realized to the arch, and supplementary with buggy suction charging mechanism sucks the buggy, constructs to the conveying groove who holds the buggy between each arch, and the buggy connects the both sides of material to carry the endless belt still be provided with right the both sides of conveying groove carry out spacing side plate.
Further, as preferred, the buggy suction charging mechanism adopts the suction tube with the suction storehouse intercommunication, the buggy connects the lower extreme of taking turns department with the initiative of conveying mechanism and fixedly is provided with supplementary lock storehouse, the suction storehouse is sealed to be detained and is established on the supplementary lock storehouse, on the suction storehouse with the connecting hole department of suction tube just to the up end setting of buggy connects the material to carry the annular area to carry the buggy on it to carry out the suction.
Further, as preferred, buggy suction charging mechanism collects urceolus, sealed and the unloading lid of buggy and buggy collection inner tube including suction pump seat, suction pump group, suction joint pipe, buggy, wherein, be provided with on the suction pump seat suction pump group, suction joint union coupling to of suction pump group the suction tube, suction pump group still is connected to the inner tube is collected to the buggy, the inner tube is collected to the buggy is located in the urceolus is collected to the buggy, just the one end that the urceolus was collected to the buggy adopts the locking to open and shut to be connected with the buggy is sealed and the unloading lid, the buggy is collected the inner tube and can be realized the collection to the buggy.
Further, as preferred, the buggy is collected the coaxial of inner tube can rotate and is located in the urceolus is collected to the buggy, just the front end that the inner tube was collected to the buggy stretches out the urceolus is collected to the buggy, the fixed cover that is equipped with on the front end of inner tube is collected to the buggy is equipped with the drive ring gear, the fixed supporting roller that is provided with of symmetry on the fixing base of urceolus bottom is collected to the buggy, supporting roller with the cooperation of drive ring gear, so that can drive the buggy is collected the inner tube and is rotated.
Further, as preferred, the inside of buggy collection inner tube is provided with the helical tooth to inside buggy can discharge when making it rotate, at least one the supporting roller is by fixing drive rotation motor and driving belt on the fixing base drives the rotation.
In addition, the invention also provides a method for mining and screening the coal mine by the combined type high-efficiency coal mining machine with the pre-screening function, which is characterized by comprising the following steps: which comprises the following steps:
(1) the chassis is moved to the position right below the coal seam to be mined by the travelling mechanism, and the locking support hydraulic column of the travelling mechanism is used for locking and fixing;
(2) the coal mining drill bit and the coal mining sawing cutter are used for mining a coal bed, the mined coal blocks and coal dust directly fall onto the coal block conveying and screening mechanism, and the coal block conveying and screening mechanism is provided with a vibrating mechanism so that the vibrating mechanism is used for realizing the screening and separation of the coal dust and the coal blocks;
(3) in the process of conveying by the coal block conveying and screening mechanism, the coal powder is screened by the screening holes and falls to the coal powder receiving and conveying mechanism, and the coal block is conveyed upwards or forwards by the coal block conveying and screening mechanism;
(4) the dropped coal dust falls onto the coal dust receiving and conveying mechanism and is conveyed upwards or forwards through the coal dust receiving and conveying mechanism;
(5) the pulverized coal suction charging mechanism sucks pulverized coal conveyed by the pulverized coal receiving and conveying mechanism by using a suction pump set and collects the pulverized coal into the pulverized coal suction charging mechanism;
(6) when the pulverized coal in the pulverized coal suction charging mechanism is collected to a certain degree, the pulverized coal collection inner cylinder is driven to rotate relative to the pulverized coal collection outer cylinder by the driving rotating motor, so that the pulverized coal is discharged and charged into corresponding transportation equipment by using the internal helical teeth.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a combined type high-efficiency coal mining machine with a pre-screening function, which can realize screening and separation of coal blocks and coal dust while conveying the coal bed after mining, ensures different transportation of subsequent coal dust and coal blocks, can directly place the coal dust in special conveying equipment, reduces adverse effects of the coal dust on the environment, and ensures the environmental protection of coal mining.
Drawings
FIG. 1 is a schematic view of the overall structure of a combined high-efficiency coal mining machine with a pre-screening function;
fig. 2 is a partially enlarged structural schematic diagram of a pulverized coal receiving and conveying mechanism in a combined type high-efficiency coal mining machine with a pre-screening function.
FIG. 3 is a schematic front view of the pulverized coal suction charging mechanism of the present invention;
fig. 4 is a side view schematically showing the construction of the pulverized coal suction charging mechanism of the present invention.
Detailed Description
Referring to fig. 1 to 4, in the embodiment of the present invention, a composite high efficiency coal mining machine with a pre-screening function includes an underframe 1, a long support 2, a short support 3, a coal block conveying and screening mechanism 10, a coal dust receiving and conveying mechanism 11, a coal dust suction and loading mechanism 9, a coal mining drill 14 and a coal mining sawing cutter 13, wherein a traveling mechanism for advancing the underframe is disposed at the bottom of the underframe, the short support is disposed at one side of the underframe facing a coal seam to be mined, the long support is disposed at one side of the underframe far away from the coal seam to be mined, the composite high efficiency coal mining machine is characterized in that the coal block conveying and screening mechanism 10 is supported and wound between the upper support and the short support, the coal block conveying and screening mechanism 10 is an annular conveyor, the coal dust receiving and conveying mechanism 11 is disposed at the inner side of an annular region of the coal block conveying and screening mechanism 10 and has a shape adapted to, the coal briquette conveying and screening mechanism is characterized in that a screening hole which penetrates through the coal briquette conveying and screening mechanism 10 is formed in the conveying surface, coal dust can fall through the screening hole to be screened to the conveying surface of the coal dust receiving and conveying mechanism 11, the upper portion of the coal dust receiving and conveying mechanism 11 is close to a suction bin 7 is arranged at the top of the long support, the suction bin is communicated with the coal dust suction charging mechanism 9 so as to achieve that the coal dust receiving and conveying mechanism 11 can suck and collect coal dust, and an angle-adjustable coal mining drill bit 14 and a coal mining saw cutting tool 13 are at least arranged above the short support.
In this embodiment, running gear includes a plurality of walking wheels 4 and a plurality of locking support hydraulic column 5, each walking wheel spaced support is in the bottom of chassis, each one side of walking wheel is provided with at least one locking support hydraulic column, when the walking antedisplacement, the hydraulic column shrink is supported in the locking, when fixing the exploitation to this miner, the hydraulic column extension is supported in order to realize right the locking of miner is supported.
The coal mining sawing cutter 13 is a circular cutter capable of rotating at a high speed, the coal mining drill bit 14 is fixed on a drilling tool 15, the drilling tool is connected to a rack above the bottom frame through an angle adjusting connecting rod assembly, and the spatial position of the coal mining drill bit 14 is adjusted through the angle adjusting connecting rod assembly.
The coal conveying and screening mechanism 10 comprises an endless conveyor belt, a driving conveyor belt wheel and a driven conveyor belt wheel, wherein the driving conveyor belt wheel is arranged on the long support, the driven conveyor belt wheel is arranged on the short support, the endless conveyor belt is wound between the driving conveyor belt wheel and the driven conveyor belt wheel, the screening holes are densely arranged on the endless conveyor belt, and baffles are arranged on the endless conveyor belt at intervals so as to assist in conveying the coal.
Pulverized coal connects material and conveying mechanism 11 includes that pulverized coal connects material to carry endless belt 20, action wheel and follows the driving wheel, the action wheel supports and sets up the side below of initiative driving pulley, it supports from driving wheel adoption to follow driving pulley support 19 one side of driven pulley, pulverized coal connects material to carry the endless belt to wind and establishes the action wheel with from the driving wheel on, pulverized coal connects material to carry to be provided with interval arrangement's arch 12 on the endless belt, each protruding realization is to the interval of pulverized coal, and supplementary with pulverized coal suction charging mechanism 9 sucks the pulverized coal, constructs to the conveying groove 16 who holds the pulverized coal between each arch, and pulverized coal connects material to carry the both sides of endless belt 20 and still be provided with right conveying groove's both sides carry out spacing side plate 18.
The pulverized coal suction charging mechanism 9 is communicated with the suction bin 7 through a suction pipe 8, an auxiliary buckling bin is fixedly arranged at the lower end of a driving wheel of the pulverized coal receiving and conveying mechanism 11, the suction bin is buckled on the auxiliary buckling bin in a sealing mode, and the upper end face of the pulverized coal receiving and conveying annular belt is arranged on the suction bin and is right opposite to a connecting hole of the suction pipe so as to suck pulverized coal on the pulverized coal receiving and conveying annular belt.
Buggy suction charging mechanism 9 collects urceolus 20, sealed and the unloading lid 21 of buggy and buggy including suction pump seat 27, suction pump group 24, suction joint pipe 25, buggy and collects inner tube 23, wherein, be provided with on the suction pump seat 27 the suction pump group, the suction joint union coupling of suction pump group is to suction tube 8, suction pump group 24 still is connected to the inner tube is collected to the buggy, the inner tube is collected to the buggy is located in the urceolus 20 is collected to the buggy, just the buggy is collected the one end of urceolus 20 and is adopted the locking closure 22 to open and shut to be connected with the sealed and the unloading lid 21 of buggy, the buggy is collected inner tube 23 and can be realized the collection to the buggy.
The buggy is collected the coaxial of inner tube 23 can rotate and is located in the urceolus 20 is collected to the buggy, just the front end that the inner tube 23 was collected to the buggy stretches out urceolus 20 is collected to the buggy, fixed cover is equipped with the drive ring gear on the front end that the inner tube 23 was collected to the buggy, the fixed supporting roller 29 that is provided with of symmetry on the fixing base 28 of urceolus 20 bottom is collected to the buggy, supporting roller with the cooperation of drive ring gear, so that can drive the buggy is collected inner tube 23 and is rotated.
The coal dust collecting inner cylinder 23 is internally provided with spiral teeth so that the coal dust in the coal dust collecting inner cylinder can be discharged when the coal dust collecting inner cylinder rotates, and at least one supporting roller is driven to rotate by a driving rotating motor 30 and a transmission belt which are fixed on the fixed seat.
In addition, this embodiment has still disclosed a combined type high efficiency coal mining machine with screening function in advance and has mined and screened the method to the coal mine, its characterized in that: which comprises the following steps:
(1) the chassis is moved to the position right below the coal seam to be mined by the travelling mechanism, and the locking support hydraulic column 5 of the travelling mechanism is used for locking and fixing;
(2) the coal mining drill bit 14 and the coal mining sawing cutter 13 are used for mining a coal bed, the mined coal blocks and coal dust directly fall onto the coal block conveying and screening mechanism 10, and the coal block conveying and screening mechanism 10 is provided with a vibrating mechanism so that the vibrating mechanism is used for realizing the screening and separation of the coal dust and the coal blocks;
(3) in the process of conveying the coal briquette conveying and screening mechanism 10, the coal dust falls to the coal dust receiving and conveying mechanism 11 through screening of the screening holes, and the coal briquette is conveyed upwards or forwards through the coal briquette conveying and screening mechanism 10;
(4) the dropped coal dust falls onto the coal dust receiving and conveying mechanism 11 and is conveyed upwards or forwards through the coal dust receiving and conveying mechanism 11;
(5) the coal dust suction charging mechanism 9 sucks the coal dust conveyed by the coal dust receiving and conveying mechanism 11 by using a suction pump set and collects the sucked coal dust into the coal dust suction charging mechanism 9;
(6) when the pulverized coal in the pulverized coal suction charging mechanism 9 is collected to a certain degree, the pulverized coal collection inner cylinder 23 is driven to rotate relative to the pulverized coal collection outer cylinder 20 by the driving rotating motor 30, so that the pulverized coal is discharged and charged into corresponding transportation equipment by using internal helical teeth.
The invention provides a combined type high-efficiency coal mining machine with a pre-screening function, which can realize screening and separation of coal blocks and coal dust while conveying the coal bed after mining, ensures different transportation of subsequent coal dust and coal blocks, can directly place the coal dust in special conveying equipment, reduces adverse effects of the coal dust on the environment, and ensures the environmental protection of coal mining.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (10)
1. A combined type high-efficiency coal mining machine with a pre-screening function comprises an underframe (1), a long support (2), a short support (3), a coal block conveying and screening mechanism (10), a coal powder receiving and conveying mechanism (11), a coal powder suction and loading mechanism (9), a coal mining drill bit (14) and a coal mining saw cutting cutter (13), wherein a travelling mechanism convenient for advancing the underframe is arranged at the bottom of the underframe, the short support is arranged at one side of the underframe facing a coal bed to be mined, the long support is arranged at one side of the underframe far away from the coal bed, the combined type high-efficiency coal mining machine is characterized in that the coal block conveying and screening mechanism (10) is supported and wound between the upper support and the short support, the coal block conveying and screening mechanism (10) is an annular conveyor, the inner side of an annular area of the coal block conveying and screening mechanism (10) is provided with the coal powder receiving and conveying mechanism (11) which is adaptive to the, the coal briquette conveying and screening mechanism is characterized in that a screening hole which penetrates through the coal briquette conveying and screening mechanism (10) is formed in the conveying surface, coal dust can pass through the screening hole, the screening hole falls to screen coal dust to the conveying surface of the coal dust receiving and conveying mechanism (11), the upper portion of the coal dust receiving and conveying mechanism (11) is close to the position at the top of the long support is provided with a suction bin (7), the suction bin is communicated with a coal dust suction charging mechanism (9) so as to achieve that the coal dust receiving and conveying mechanism (11) can suck and collect coal dust, and the upper portion of the short support is at least provided with an angle-adjustable coal mining drill bit (14) and a coal mining saw cutting tool (13).
2. The combined type high efficiency coal mining machine with the pre-screening function as set forth in claim 1, wherein: running gear includes a plurality of walking wheels (4) and a plurality of locking support hydraulic column (5), each walking wheel spaced support is in the bottom of chassis, each one side of walking wheel is provided with at least one locking support hydraulic column, when the walking antedisplacement, the hydraulic column shrink is supported in the locking, when fixing the exploitation to this miner, the extension of locking support hydraulic column is so that the realization is right the locking of miner is supported.
3. The combined type high efficiency coal mining machine with the pre-screening function as set forth in claim 1, wherein: the coal mining sawing cutter (13) is a circular cutter capable of rotating at a high speed, the coal mining drill bit (14) is fixed on a drilling tool (15), the drilling tool is connected to a rack above the bottom frame through an angle adjusting connecting rod assembly, and the spatial position of the coal mining drill bit (14) is adjusted through the angle adjusting connecting rod assembly.
4. The combined type high efficiency coal mining machine with the pre-screening function as set forth in claim 1, wherein: the coal conveying and screening mechanism (10) comprises an endless conveyor belt, a driving conveyor belt wheel and a driven conveyor belt wheel, wherein the driving conveyor belt wheel is arranged on the long support, the driven conveyor belt wheel is arranged on the short support, the endless conveyor belt is wound between the driving conveyor belt wheel and the driven conveyor belt wheel, screening holes are densely arranged on the endless conveyor belt, and baffles are arranged on the endless conveyor belt at intervals so as to assist in conveying the coal.
5. The combined type high efficiency coal mining machine with the pre-screening function as set forth in claim 1, wherein: pulverized coal connects material and conveying mechanism (11) to include pulverized coal connects material to carry endless belt (20), action wheel and follow the driving wheel, the action wheel supports and sets up the side below of driving pulley, it supports from driving wheel adoption driven wheel support (19) one side of driven pulley, pulverized coal connects material to carry the endless belt around establishing the action wheel and follow the driving wheel on, pulverized coal connects material to carry and is provided with interval arrangement's arch (12) on the endless belt, each the interval to the pulverized coal is realized to the arch, and supplementary with pulverized coal suction charging mechanism (9) aspirate the pulverized coal, constructs between each arch to be to holding the transport recess (16) of pulverized coal, and pulverized coal connects the both sides of material to carry the endless belt (20) still be provided with right carry out spacing side plate (18) in the both sides of transport recess.
6. The combined type high efficiency coal mining machine with the pre-screening function as set forth in claim 5, wherein: pulverized coal suction charging mechanism (9) adopt suction tube (8) with suction storehouse (7) intercommunication, pulverized coal connects the fixed supplementary lock storehouse that is provided with of lower extreme that is provided with of driving wheel department of material and conveying mechanism (11), the sealed knot of suction storehouse is established on the supplementary lock storehouse, on the suction storehouse with the connecting hole department of suction tube is just right pulverized coal connects the up end setting of material transport ring area to the pulverized coal above that sucks.
7. The combined type high efficiency coal mining machine with the pre-screening function as set forth in claim 6, wherein: buggy suction charging mechanism (9) collect urceolus (20), buggy including suction pump seat (27), suction pump group (24), suction adapter pipe (25), buggy and collect inner tube (23) with ejection of compact lid (21), wherein, be provided with on suction pump seat (27) the suction pump group, the suction adapter union coupling of suction pump group to suction tube (8), suction pump group (24) still are connected to the inner tube is collected to the buggy, the buggy is collected the inner tube and is located in urceolus (20) is collected to the buggy, just the one end that urceolus (20) was collected to the buggy adopts locking opening and shutting piece (22) to open and shut to be connected with buggy is sealed with ejection of compact lid (21), the collection of buggy can be realized to inner tube (23) is collected to the buggy.
8. The combined type high efficiency coal mining machine with the pre-screening function as set forth in claim 7, wherein: the buggy is collected inner tube (23) coaxial being located that can rotate in urceolus (20) is collected to the buggy, just the front end that inner tube (23) was collected to the buggy stretches out urceolus (20) is collected to the buggy, the fixed cover is equipped with the drive ring gear on the front end that inner tube (23) was collected to the buggy, the buggy is collected the fixed supporting roller (29) that is provided with of symmetry on fixing base (28) of urceolus (20) bottom, supporting roller with the cooperation of drive ring gear, so that can drive inner tube (23) are collected to the buggy and are rotated.
9. The combined type high efficiency coal mining machine with the pre-screening function as set forth in claim 8, wherein: the coal dust collecting inner cylinder (23) is internally provided with spiral teeth so that the coal dust in the coal dust collecting inner cylinder can be discharged when the coal dust collecting inner cylinder rotates, and at least one supporting roller is driven to rotate by a driving rotating motor (30) and a transmission belt which are fixed on the fixed seat.
10. A method as claimed in any one of claims 1 to 9, wherein the method comprises the steps of: which comprises the following steps:
(1) the chassis is moved to the position right below the coal seam to be mined by the travelling mechanism, and the locking support hydraulic column (5) of the travelling mechanism is used for locking and fixing;
(2) the coal mining drill bit (14) and the coal mining sawing cutter (13) are utilized to mine the coal bed, the mined coal blocks and coal dust directly drop onto the coal block conveying and screening mechanism (10), and the coal block conveying and screening mechanism (10) is provided with a vibrating mechanism so as to realize the screening and separation of the coal dust and the coal blocks by using the vibrating mechanism;
(3) in the process of conveying the coal briquette conveying and screening mechanism (10), the coal dust is screened by the screening holes and falls to the coal dust receiving and conveying mechanism (11), and the coal briquette is conveyed upwards or forwards by the coal briquette conveying and screening mechanism (10);
(4) the dropped coal dust falls onto the coal dust receiving and conveying mechanism (11) and is conveyed upwards or forwards through the coal dust receiving and conveying mechanism (11);
(5) the coal dust suction charging mechanism (9) sucks the coal dust conveyed by the coal dust receiving and conveying mechanism (11) by using a suction pump set and collects the sucked coal dust into the coal dust suction charging mechanism (9);
(6) when the pulverized coal in the pulverized coal suction charging mechanism (9) is collected to a certain degree, the pulverized coal collection inner cylinder (23) is driven to rotate relative to the pulverized coal collection outer cylinder (20) by the driving rotating motor (30), so that the pulverized coal is discharged and charged into corresponding transportation equipment by using the helical teeth inside.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010500864.5A CN111608656B (en) | 2020-06-04 | 2020-06-04 | Combined type efficient coal mining machine with pre-screening function |
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| CN202010500864.5A CN111608656B (en) | 2020-06-04 | 2020-06-04 | Combined type efficient coal mining machine with pre-screening function |
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| CN111608656A true CN111608656A (en) | 2020-09-01 |
| CN111608656B CN111608656B (en) | 2021-12-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187475A (en) * | 2021-06-16 | 2021-07-30 | 宁夏回族自治区矿产地质调查院 | Coal mining device based on coal and coalbed methane are high-efficient exploitation in coordination with safety |
Citations (5)
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| CN103962302A (en) * | 2014-05-22 | 2014-08-06 | 北京金亮点市政园林工程有限公司 | Screening machine and screening device of screening machine |
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| CN108756878A (en) * | 2018-08-02 | 2018-11-06 | 桂林电子科技大学 | A kind of mine coal cutter is servo-actuated to scrape coal and efficiency crushing device |
| CN209491043U (en) * | 2018-12-25 | 2019-10-15 | 湖州通元石料有限公司 | A kind of stone classification high-efficiency screening machine |
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| CN113187475A (en) * | 2021-06-16 | 2021-07-30 | 宁夏回族自治区矿产地质调查院 | Coal mining device based on coal and coalbed methane are high-efficient exploitation in coordination with safety |
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| CN111608656B (en) | 2021-12-03 |
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