CN210875490U - Coal mine crushing device - Google Patents
Coal mine crushing device Download PDFInfo
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- CN210875490U CN210875490U CN201921702949.0U CN201921702949U CN210875490U CN 210875490 U CN210875490 U CN 210875490U CN 201921702949 U CN201921702949 U CN 201921702949U CN 210875490 U CN210875490 U CN 210875490U
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Abstract
The utility model discloses a coal mine smashing device, which comprises a frame, elementary rubbing crusher constructs, second grade rubbing crusher constructs and collects the sieve, elementary rubbing crusher constructs including the conveying pipeline, first striking crushing dish and the second striking crushing dish that sets up relatively with first striking crushing dish, the inside of conveying pipeline is provided with carries the auger, second grade rubbing crusher constructs including the rubbing crusher, set up crushing roller in the rubbing crusher and set up the bar abrasive brick at the rubbing crusher inside wall, the bottom of rubbing crusher is provided with the discharge gate, the below that the collection sieve is located the discharge gate. The utility model discloses a carry the auger and can make the colliery obtain preliminary striking and polish, the second striking crushing dish takes place the striking under the drive of flexible pneumatic cylinder and between the first striking crushing dish and carries out preliminary striking to the colliery and smash, later recycle crushing roller and further refine the coal cinder and smash. This colliery reducing mechanism is simple structure not only, and multistage crushing process makes the crushing effectual in colliery moreover, smashes efficiently, and the practicality is strong.
Description
Technical Field
The utility model relates to a colliery technical field especially relates to a colliery reducing mechanism.
Background
At present, coal mined in the coal mining process of a coal mine is often very large and is very inconvenient to transport and use, so that the coal mine needs to be crushed. The conventional coal mine crushing device is single in crushing mode, the condition of incomplete coal mine crushing is easy to occur, the crushing effect is poor, even the coal mine needs to be reworked and crushed again, and the coal crushing efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure, smash effectual, the efficient colliery reducing mechanism of smashing.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a coal mine crushing device, which comprises a frame, a primary crushing mechanism, a secondary crushing mechanism and a collecting sieve, wherein the primary crushing mechanism comprises a feed pipe, a first impact crushing disc arranged at a discharge port of the feed pipe and a second impact crushing disc arranged opposite to the first impact crushing disc, the feed pipe is fixed at one side of the frame, a round hole is formed in the center of the first impact crushing disc, a first feed hopper is arranged at the end part of the feed pipe, a conveying auger is arranged in the feed pipe, the front end of the conveying auger penetrates through the round hole, and the second impact crushing disc is installed at the other side of the frame through a telescopic hydraulic cylinder; the secondary crushing mechanism comprises a crushing barrel, a crushing roller arranged in the crushing barrel and a strip-shaped grinding block arranged on the inner side wall of the crushing barrel, the crushing barrel is fixed on the rack, a second feeding hopper is arranged at the top end of the crushing barrel, and the second feeding hopper is positioned below a gap between the first impact crushing disc and the second impact crushing disc; the bottom end face of the crushing barrel is obliquely arranged, a discharge hole is formed in the lower end of the bottom end face, and the collecting sieve is located below the discharge hole.
Optionally, the rack comprises a first vertical support plate and a second vertical support plate, and a first horizontal support plate and a second horizontal support plate are sequentially connected between the first vertical support plate and the second vertical support plate from top to bottom; the telescopic hydraulic cylinder is fixed at the top end of the first vertical supporting plate, the feeding pipeline is fixed at the top end of the second vertical supporting plate, the crushing barrel penetrates through the first horizontal supporting plate and is fixed on the first horizontal supporting plate, and the collecting sieve penetrates through the second horizontal supporting plate and is fixed on the second horizontal supporting plate.
Optionally, the end of the conveying auger is connected with a conveying motor, the bottom end of the crushing roller is connected with a crushing motor through a rotating shaft, the rotating shaft penetrates through the bottom end face, and the crushing motor is fixed on the upper surface of the second horizontal supporting plate.
Optionally, a plurality of rectangular pyramid protrusions are respectively arranged on the impact surfaces of the first impact crushing disk and the second impact crushing disk.
Optionally, the periphery circumference of crushing roller is provided with a plurality of bar archs, and every the bellied length direction of bar all follows crushing roller's axis direction is in the same direction as extending.
Optionally, the discharge port is provided with a discharge door, and the discharge door is hinged to the side wall of the crushing barrel.
Optionally, the collecting sieve comprises a sieve body supporting frame and a sieve plate arranged in the middle of the sieve body supporting frame, and a vibrator is arranged at the bottom of the sieve plate.
Optionally, a conical outlet is arranged at the bottom of the screen body supporting frame, and a conveying belt is arranged below the conical outlet.
Optionally, the crushing roller, the conveying auger and the telescopic hydraulic cylinder are in signal connection with the controller.
The utility model discloses for prior art gain following technological effect:
the utility model discloses a colliery reducing mechanism, carry the colliery through carrying the auger, can make the colliery obtain preliminary striking and polish in the transportation process, first striking crushing disc is fixed, second striking crushing disc takes place the striking under the drive of flexible pneumatic cylinder and between the first striking crushing disc, carry out preliminary striking with the colliery that will pass through the round hole discharge of first striking crushing disc and smash, later recycle the coal cinder after the striking is smashed and smash the friction impact effect between crushing roller and the bar abrasive brick refines the coal cinder, obtain the meet the requirements, the even crushing coal cinder of volume, collect through collecting the sieve at last. This colliery reducing mechanism is simple structure reasonable not only, and multistage crushing process makes the crushing effectual in colliery moreover, smashes efficiently, and the practicality is strong.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of the coal mine crushing device of the present invention;
FIG. 2 is a schematic structural view of a first impact crushing disk of the present invention;
FIG. 3 is a schematic structural view of a second impact crushing disk of the present invention;
wherein the reference numerals are: 1-a first vertical support plate; 2-a second vertical support plate; 3-a first horizontal support plate; 4-a second horizontal support plate; 5-a feeding pipeline; 6-a first impact crushing disc; 7-a second impact crushing disc; 8-round hole; 9-a first feed hopper; 10-conveying auger; 11-a telescopic hydraulic cylinder; 12-a crushing cylinder; 13-a crushing roller; 14-bar shaped grinding block; 15-a second feed hopper; 16-a bottom end face; 17-a discharge hole; 18-a collection screen; 19-a conveying motor; 20-a crushing motor; 21-a rotating shaft; 22-pyramid protrusions; 23-strip-shaped protrusions; 24-a screen body support frame; 25-sieve plate; 26-a vibrator; 27-a conical outlet; 28-conveyor belt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a simple structure, smash effectual, the efficient colliery reducing mechanism of smashing.
Based on this, the utility model provides a coal mine crushing device, which comprises a frame, primary crushing mechanism, secondary crushing mechanism and collection sieve, primary crushing mechanism includes the conveying pipeline, set up the first striking crushing dish and the second striking crushing dish that sets up with first striking crushing dish at the conveying pipeline discharge gate, the conveying pipeline is fixed in one side of frame, open at the center of first striking crushing dish has the round hole, the tip of conveying pipeline is provided with first feeder hopper, the inside of conveying pipeline is provided with carries the auger, the front end of carrying the auger runs through the round hole, the second striking crushing dish is installed at the opposite side of frame through flexible pneumatic cylinder; the secondary crushing mechanism comprises a crushing barrel, a crushing roller arranged in the crushing barrel and a strip-shaped grinding block arranged on the inner side wall of the crushing barrel, the crushing barrel is fixed on the rack, a second feeding hopper is arranged at the top end of the crushing barrel, and the second feeding hopper is positioned below a gap between the first impact crushing disc and the second impact crushing disc; the bottom end face of the crushing barrel is obliquely arranged, a discharge hole is formed in the lower end of the bottom end face, and the collecting sieve is located below the discharge hole.
The utility model discloses a colliery reducing mechanism, carry the colliery through carrying the auger, can make the colliery obtain preliminary striking and polish in the transportation process, first striking crushing disc is fixed, second striking crushing disc takes place the striking under the drive of flexible pneumatic cylinder and between the first striking crushing disc, carry out preliminary striking with the colliery that will pass through the round hole discharge of first striking crushing disc and smash, later recycle the coal cinder after the striking is smashed and smash the friction impact effect between crushing roller and the bar abrasive brick refines the coal cinder, obtain the meet the requirements, the even crushing coal cinder of volume, collect through collecting the sieve at last. This colliery reducing mechanism is simple structure reasonable not only, and multistage crushing process makes the crushing effectual in colliery moreover, smashes efficiently, and the practicality is strong.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The first embodiment is as follows:
as shown in fig. 1, the embodiment provides a coal mine crushing device, which comprises a rack, a primary crushing mechanism, a secondary crushing mechanism and a collecting sieve 18, wherein the primary crushing mechanism comprises a feeding pipeline 5, a first impact crushing disc 6 arranged at a discharge port of the feeding pipeline 5 and a second impact crushing disc 7 arranged opposite to the first impact crushing disc 6, the feeding pipeline 5 is fixed on one side of the rack, a round hole 8 is formed in the center of the first impact crushing disc 6, a first feed hopper 9 is arranged at the end part of the feeding pipeline 5, a conveying auger 10 is arranged inside the feeding pipeline 5, the front end of the conveying auger 10 penetrates through the round hole 8 so as to directly convey a coal mine to a gap between the first impact crushing disc 6 and the second impact crushing disc 7, and the second impact crushing disc 7 is installed on the other side of the rack through a telescopic hydraulic cylinder 11; the secondary crushing mechanism comprises a crushing barrel 12, a crushing roller 13 arranged in the crushing barrel 12 and a strip-shaped grinding block 14 arranged on the inner side wall of the crushing barrel 12, the crushing barrel 12 is fixed on the frame, a second feed hopper 15 is arranged at the top end of the crushing barrel 12, and the second feed hopper 15 is positioned right below a gap between the first impact crushing disc 6 and the second impact crushing disc 7 and is used for collecting coal blocks subjected to primary impact crushing; the bottom end face 16 of the crushing barrel 12 is obliquely arranged to facilitate discharging, a discharging port 17 is formed in the lower end of the bottom end face 16, and a collecting sieve 18 is located below the discharging port 17 and used for collecting coal blocks which are discharged through the discharging port 17, meet requirements and are uniform in size.
Further, as shown in fig. 1, in the present embodiment, the rack includes a first vertical support plate 1 and a second vertical support plate 2, the first vertical support plate 1 and the second vertical support plate 2 are arranged in parallel, and a first horizontal support plate 3 and a second horizontal support plate 4 are sequentially connected between the first vertical support plate 1 and the second vertical support plate 2 from top to bottom; the top at first vertical support plate 1 is fixed to flexible pneumatic cylinder 11, and the tip of the telescopic link of flexible pneumatic cylinder 11 is used for fixed second striking crushing dish 7, and pipeline 5 is fixed on the top of second vertical support plate 2, and crushing barrel 12 runs through first horizontal support plate 3 and fixes on first horizontal support plate 3, and collection sieve 18 runs through second horizontal support plate 4 and fixes on second horizontal support plate 4.
Further, as shown in fig. 1, in this embodiment, the end of the conveying auger 10 is connected to a conveying motor 19, the bottom end of the pulverizing roller 13 is connected to a pulverizing motor 20 through a rotating shaft 21, the rotating shaft 21 penetrates through the bottom end surface 16, and the pulverizing motor 20 is fixed on the upper surface of the second horizontal support plate 4.
Further, as shown in fig. 2 to 3, in the present embodiment, a plurality of rectangular pyramid protrusions 22 are respectively disposed on the impact surfaces of the first impact crushing disk 6 and the second impact crushing disk 7 for impact crushing of the coal mine.
Further, as shown in fig. 1, the peripheral circumference of the crushing roller 13 in the present embodiment is provided with a plurality of bar-shaped protrusions 23, and the length direction of each bar-shaped protrusion 23 runs along the axial direction of the crushing roller 13. The preferred 5 bar-shaped bulges 23 interval of this embodiment evenly sets up, and corresponding, bar-shaped grinding piece 14 also preferred interval sets up 5.
Further, as shown in fig. 1, in the present embodiment, the discharging port 17 is provided with a discharging door, the discharging door is hinged to the side wall of the pulverizing barrel 12, the discharging door can be locked when the coal briquette does not reach the pulverizing standard, and the discharging door is opened to discharge the coal briquette into the collecting sieve 18 when the coal briquette reaches the pulverizing standard.
Further, as shown in fig. 1, the collecting screen 18 in this embodiment includes a screen body support frame 24 and a screen plate 25 installed in the middle of the screen body support frame 24, and a vibrator 26 is provided at the bottom of the screen plate 25. Meanwhile, the bottom of the screen body support frame 24 is provided with a conical outlet 27, and a conveyor belt 28 is arranged below the conical outlet 27. The sieve plate 25 is provided with a plurality of standard meshes, coal blocks with qualified volume and grain size fall through the standard meshes and fall onto a conveyer belt 28 through a conical outlet 27, and the conveyer belt 28 conveys the coal blocks qualified by grinding to the next working procedure or a coal block collecting station; accordingly, individual pieces of coal remaining on the screen 25 need to be crushed again. The screen plate 25 is vibrated by activating the vibrator 26, and the screening efficiency and the screening accuracy of the screen plate 25 can be improved.
Further, as shown in fig. 1, the coal mine crushing device further comprises a controller, wherein the crushing motor 20 connected with the crushing roller 13, the conveying motor 19 connected with the conveying auger 10, the telescopic hydraulic cylinder 11 and the vibrator 26 are in signal connection with the controller, so that the integrated automatic control of the whole coal mine crushing device is realized conveniently. The controller is an existing controller structure and is installed on one side of the rack.
The present embodiment will be described in detail below.
When the coal mine conveying device is used, a mined coal mine is placed into the conveying pipeline 5 through the first feed hopper 9, the coal mine is conveyed to the round hole 8 through the conveying auger 10, and the coal mine can be subjected to primary impact grinding in the conveying process; then the second impact crushing disc 7 is impacted with the first impact crushing disc 6 under the driving of the telescopic hydraulic cylinder 11 so as to carry out primary impact crushing on the coal mine discharged through the round hole 8 of the first impact crushing disc 6; the coal cinder after preliminary grinding falls into in second feeder hopper 15, crushing roller 13 keeps rotating, the coal cinder falls into in the clearance between crushing roller 13 and the 12 lateral walls of crushing barrel, preliminary kibbling coal cinder can further refine under the friction impact effect with between crushing roller 13 and the bar grinding block 14 and smash, finally obtain the meet the requirements, the even crushing coal cinder of volume, fall into collection sieve 18 through discharge gate 17 at last and filter and collect and will smash qualified coal cinder by conveyer belt 28 and carry to next process or coal cinder collection station. This colliery reducing mechanism is simple structure reasonable not only, and multistage crushing process makes the crushing effectual in colliery moreover, smashes efficiently, and the practicality is strong.
It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. The utility model provides a colliery reducing mechanism which characterized in that: the primary crushing mechanism comprises a feeding pipeline, a first impact crushing disc arranged at a discharge port of the feeding pipeline and a second impact crushing disc arranged opposite to the first impact crushing disc, the feeding pipeline is fixed on one side of the frame, a round hole is formed in the center of the first impact crushing disc, a first feeding hopper is arranged at the end of the feeding pipeline, a conveying auger is arranged inside the feeding pipeline, the front end of the conveying auger penetrates through the round hole, and the second impact crushing disc is installed on the other side of the frame through a telescopic hydraulic cylinder; the secondary crushing mechanism comprises a crushing barrel, a crushing roller arranged in the crushing barrel and a strip-shaped grinding block arranged on the inner side wall of the crushing barrel, the crushing barrel is fixed on the rack, a second feeding hopper is arranged at the top end of the crushing barrel, and the second feeding hopper is positioned below a gap between the first impact crushing disc and the second impact crushing disc; the bottom end face of the crushing barrel is obliquely arranged, a discharge hole is formed in the lower end of the bottom end face, and the collecting sieve is located below the discharge hole.
2. A coal mine comminution apparatus as claimed in claim 1 in which: the rack comprises a first vertical supporting plate and a second vertical supporting plate, and a first horizontal supporting plate and a second horizontal supporting plate are sequentially connected between the first vertical supporting plate and the second vertical supporting plate from top to bottom; the telescopic hydraulic cylinder is fixed at the top end of the first vertical supporting plate, the feeding pipeline is fixed at the top end of the second vertical supporting plate, the crushing barrel penetrates through the first horizontal supporting plate and is fixed on the first horizontal supporting plate, and the collecting sieve penetrates through the second horizontal supporting plate and is fixed on the second horizontal supporting plate.
3. A coal mine comminution apparatus as claimed in claim 2 in which: the end part of the conveying auger is connected with a conveying motor, the bottom end of the crushing roller is connected with a crushing motor through a rotating shaft, the rotating shaft penetrates through the bottom end face, and the crushing motor is fixed on the upper surface of the second horizontal supporting plate.
4. A coal mine comminution apparatus as claimed in claim 1 in which: and a plurality of rectangular pyramid bulges are respectively arranged on the impact surfaces of the first impact crushing disk and the second impact crushing disk.
5. A coal mine comminution apparatus as claimed in claim 1 in which: the periphery circumference of crushing roller is provided with a plurality of bar archs, and every the bellied length direction of bar all follows crushing roller's axis direction is in the same direction as extending.
6. A coal mine comminution apparatus as claimed in claim 1 in which: the discharge gate is provided with the discharge door, the discharge door articulates the lateral wall of crushing barrel.
7. A coal mine comminution apparatus as claimed in claim 1 in which: the collecting sieve comprises a sieve body supporting frame and a sieve plate arranged in the middle of the sieve body supporting frame, and a vibrator is arranged at the bottom of the sieve plate.
8. A coal mine comminution apparatus as claimed in claim 7 in which: the bottom of the screen body support frame is provided with a conical outlet, and a conveying belt is arranged below the conical outlet.
9. A coal mine comminution apparatus as claimed in claim 1 in which: the crushing roller, the conveying auger and the telescopic hydraulic cylinder are in signal connection with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921702949.0U CN210875490U (en) | 2019-10-12 | 2019-10-12 | Coal mine crushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921702949.0U CN210875490U (en) | 2019-10-12 | 2019-10-12 | Coal mine crushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210875490U true CN210875490U (en) | 2020-06-30 |
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ID=71330486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921702949.0U Active CN210875490U (en) | 2019-10-12 | 2019-10-12 | Coal mine crushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210875490U (en) |
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2019
- 2019-10-12 CN CN201921702949.0U patent/CN210875490U/en active Active
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