CN210411074U - Crushing equipment for coal - Google Patents
Crushing equipment for coal Download PDFInfo
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- CN210411074U CN210411074U CN201921036323.0U CN201921036323U CN210411074U CN 210411074 U CN210411074 U CN 210411074U CN 201921036323 U CN201921036323 U CN 201921036323U CN 210411074 U CN210411074 U CN 210411074U
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Abstract
The utility model discloses a crushing device for coal, which comprises a primary crushing box and a secondary crushing box connected with the primary crushing box, open at elementary broken roof portion has the feed inlet, open secondary broken roof portion has the bin outlet, it has defeated material passageway to open between elementary broken roof portion and the secondary broken roof portion, the protection door mechanism is installed to elementary broken roof portion, elementary breaker is installed to protection door mechanism below, elementary breaker is located defeated material passageway top, the slope of elementary breaker below is installed and is failed material passageway complex stock guide, secondary breaker is installed to secondary broken roof portion liftable in the incasement, install rather than the complex backup pad secondary breaker below, the articulated secondary broken roof portion of defeated material passageway below is again passed in backup pad one side, the opposite side is located the bin outlet, the bottom handing-over that the backup pad is close to defeated material passageway one end has the piston rod, other end bottom articulates there is the hydraulic stem. The utility model discloses application scope is wide, broken even and avoid extravagant.
Description
Technical Field
The utility model relates to a breaker equipment technical field, especially a crushing equipment for coal.
Background
Coal mines are reasonable spaces excavated by humans when excavating coal-rich geological formations, and generally include tunnels, mining surfaces, and the like. Coal is the most important solid fuel and is one of combustible organic rocks, and when the coal bed is very close to the ground surface, the coal is generally excavated by directly stripping the surface soil layer, namely, an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines. Coal mines encompass a large area above ground and below ground as well as associated facilities.
Along with the demand of people for resources, the coal industry is rapidly developed, and the development of coal machinery is rapidly developed along with the development of the coal industry. In the coal mining process, the crushing of coal is an indispensable operation link, and raw coal or bituminous coal can be conveyed to the next link for processing and treatment after being crushed.
The coal crusher is also called a double-stage crusher, belongs to high-efficiency fine crushing equipment, mainly aims at the problem of crushing coal, and refines the coal into smaller coal particles according to actual requirements. The size of coal particles crushed by the traditional coal crusher is single at present, and the requirement cannot be met when the coal particles with different specifications and sizes are required; moreover, the traditional crusher only has one crushing mechanism, and uneven crushing can be caused when coal blocks with larger size and higher hardness are encountered; and the existing coal crusher has the problem that coal particles are broken out from the feeding hole, so that on one hand, the waste of coal is caused, and in addition, the work of operators is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that just to the not enough of above-mentioned prior art, provide a crushing equipment for coal that application scope is wide, broken even and avoid extravagant.
In order to realize the above purpose, the technical scheme of the utility model is as follows:
a crushing device for coal comprises a primary crushing box and a secondary crushing box connected with the primary crushing box, wherein the top of the primary crushing box is provided with a feed inlet, the lower part of the secondary crushing box is provided with a discharge outlet, a material conveying channel is arranged between the primary crushing box and the secondary crushing box, a protective door mechanism is installed in the primary crushing box, a primary crushing device is installed below the protective door mechanism, the primary crushing device is positioned above the material conveying channel, a material guide plate matched with the material conveying channel is obliquely installed below the primary crushing device, a secondary crushing device is installed on the top surface in the secondary crushing box in a lifting mode, a supporting plate matched with the secondary crushing device is installed below the secondary crushing device, one side of the supporting plate is hinged to the inner wall of the secondary crushing box below the material conveying channel, the other side of the supporting plate is positioned in the discharge outlet, a piston rod is connected to the bottom, piston rod and hydraulic stem all fixed mounting are at secondary crushing incasement bottom surface, and when the hydraulic stem rose to backup pad level, the top surface contacted in backup pad top surface and the bin outlet.
Preferably, guard gate mechanism includes two baffles and reset spring, two the baffle symmetry articulates in elementary broken incasement, and reset spring is all installed at two baffle tops, and reset spring keeps away from the one end of baffle and is connected with elementary rose box lateral wall, and when reset spring extended naturally, two baffles were in horizontal position, and kept away from one side of elementary broken case and contact each other.
Preferably, two return springs are installed on the top of each baffle plate, and the two return springs are installed on two sides of the top of each baffle plate respectively.
Preferably, elementary breaker includes install bin, driving motor, drive wheel, first lead screw, second lead screw and broken subassembly, the install bin is installed at elementary broken incasement wall, installs driving motor in the install bin, installs the drive wheel on driving motor's the output shaft, and the drive wheel both sides all are connected with the drive wheel through the belt, two install horizontally first lead screw and second lead screw on the drive wheel respectively, first lead screw and second lead screw run through elementary broken case lateral wall through the bearing respectively, and the both ends of first lead screw and second lead screw are opened respectively and are turned to different screw, and the equal slidable mounting in both ends between first lead screw and the second lead screw has two broken subassemblies that the structure is the same, and first lead screw and second lead screw rotate and drive two broken subassemblies and be close to each other or keep away from.
Preferably, broken subassembly includes slider, pivot, broken running roller and rotation motor, but the slider has two and slidable mounting respectively on first lead screw and second lead screw, and rotatable the installing has the pivot between two sliders, and fixed mounting has broken running roller in the pivot, installs drive pivot pivoted rotation motor on the slider.
Preferably, the secondary crushing device comprises a lifting rod and a crushing plate, the lifting rod is vertically arranged on the inner top surface of the secondary crushing box, and a horizontal crushing plate is arranged at the lifting end of the lifting rod.
Preferably, install the limiting plate between lifter and the crushing board, secondary broken case both sides inner wall is opened has the spacing groove, and the equal vertical gag lever post of installing in the spacing groove, the limiting plate both sides all opened with gag lever post complex through-hole, the cover has compression spring on the gag lever post that is located the limiting plate below.
Preferably, an electric heating plate is installed at the bottom of the material guide plate.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) by arranging the protective door mechanism, when coal is added from the feeding hole, the reset spring can be extended by the gravity of the coal, so that the two baffles rotate downwards by taking the hinged part as the center, the coal enters the primary crushing box, and after the coal enters the primary crushing box, the reset spring resets to drive the baffles to reset, so that coal particles can be prevented from being burst out of the feeding hole, the coal is saved while the work of operators is prevented from being influenced by the burst out of the coal, and the waste is avoided;
(2) by arranging the driving motor, the driving wheel, the driving wheels, the first lead screw, the second lead screw and the crushing assemblies, the driving motor can rotate to drive the two driving wheels to rotate, so that the first lead screw and the second lead screw rotate, and the two crushing assemblies are close to or far away from each other, so that coal is crushed into different sizes according to requirements, and the application range of the device is improved;
(3) the coal crushed by the primary crushing device can be smoothly conveyed into the secondary crushing box by arranging the material guide plate and the material conveying channel, and the electric heating plate is arranged at the bottom of the material guide plate, so that the moisture carried in the coal can be further eliminated;
(4) through setting up secondary breaker, backup pad, piston rod and hydraulic stem, control the hydraulic stem and rise after coal gets into secondary broken case, the contact of top surface in backup pad top surface and the bin outlet makes coal stop in the backup pad, controls breaker decline this moment and carries out the secondary breakage to coal, improves crushing efficiency, makes the coal breakage more even.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the primary crushing box of the present invention;
fig. 3 is a schematic structural view of the crushing assembly of the present invention;
fig. 4 is an internal structure schematic diagram of the installation box of the present invention.
The labels in the figure are: 1-a primary crushing box, 2-a secondary crushing box, 3-a feed inlet, 5-a discharge outlet, 6-a material conveying channel, 7-a protective door mechanism, 71-a baffle, 72-a return spring, 8-a crushing component, 81-a slide block, 82-a rotating shaft, 83-a crushing roller, 84-a rotating motor, 9-a secondary crushing device, 91-a lifting rod and 92-a crushing plate, 10-a material guide plate, 11-a support plate, 12-a piston rod, 13-a hydraulic rod, 14-an installation box, 15-a driving motor, 16-a driving wheel, 17-a driving wheel, 18-a first screw rod, 19-a second screw rod, 20-a limiting plate, 21-a limiting groove, 22-a limiting rod, 23-a compression spring and 24-an electric heating plate.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention:
as shown in fig. 1 to 4, the present embodiment provides a coal crushing apparatus, which includes a primary crushing box 1, a secondary crushing box 2, a feed inlet 3, a discharge outlet 5, a material conveying channel 6, a guard gate mechanism 7, a baffle 71, a return spring 72, a crushing assembly 8, a slider 81, a rotating shaft 82, a crushing roller 83, a rotating motor 84, a secondary crushing device 9, a lifting rod 91, a crushing plate 92, a material guide plate 10, a support plate 11, a piston rod 12, a hydraulic rod 13, an installation box 14, a driving motor 15, a driving wheel 16, a driving wheel 17, a first lead screw 18, a second lead screw 19, a limit plate 20, a limit groove 21, a limit rod 22, a compression spring 23, and an electric heating plate 24.
The top of the primary crushing box 1 is provided with a feed inlet 3, the primary crushing box 1 is connected with a secondary crushing box 2, the lower part of the secondary crushing box 2 is provided with a discharge outlet 5, a material conveying channel 6 is arranged between the primary crushing box 1 and the secondary crushing box 2, a protective door mechanism 7 is arranged in the primary crushing box 1, the distance between the protective door mechanism 7 and the feeding hole 3 is 10-20cm, the protective door mechanism 7 comprises two baffle plates 71 and a return spring 72, the two baffle plates 71 are symmetrically hinged in the primary crushing box 1, the area of the two baffle plates 71 when being spliced is matched with the cross-sectional area of the primary crushing box 1, the return spring 72 is arranged on both sides of the top of the two baffle plates 71, one end of the return spring 72 far away from the baffle plates 71 is connected with the side wall of the primary crushing box 1, when the return spring 72 is naturally extended, the two flaps 71 are in a horizontal position and the sides remote from the primary crushing bin 1 are in contact with each other. When adding coal from feed inlet 3, the gravity of coal can make reset spring 72 extend to make two baffles 71 use articulated department to rotate downwards as the center, make coal get into primary broken incasement 1, after coal gets into, reset spring 72 resets, drives baffle 71 and resets, just so can prevent that coal granule from bursting out from feed inlet 3, practices thrift coal when avoiding coal to burst out and influences operating personnel's work, avoids extravagant.
The primary crushing device is arranged below the protective door mechanism 7 and located above the material conveying channel 6, the primary crushing device comprises an installation box 14, a driving motor 15, a driving wheel 16, a driving wheel 17, a first screw rod 18, a second screw rod 19 and a crushing assembly 8, the installation box 14 is arranged on the outer wall of the primary crushing box 1, the driving motor 15 is horizontally arranged in the installation box 14, an output shaft of the driving motor 15 faces the direction of the primary crushing box 1 and is provided with the driving wheel 16, the two sides of the driving wheel 16 are connected with the driving wheel 17 through belts, the driving wheel 16 and the two driving wheels 17 are located on the same axis, two horizontal first screw rods 18 and second screw rods 19 are respectively arranged on the driving wheels 17, the first screw rods 18 and the second screw rods 19 respectively penetrate through the side wall of the primary crushing box 1 through bearings and then extend into the primary crushing box 1, and one ends of the first screw rods 18 and the second screw rods 19, which are far away from the installation box 14, are arranged on the On the inner wall of one side of the installation box 14, one end of the first screw rod 18 and one end of the second screw rod 19 are provided with positive threads, the other end of the first screw rod 18 and the other end of the second screw rod 19 are provided with negative threads, and two crushing assemblies 8 with the same structure can be slidably arranged at two ends between the first screw rod 18 and the second screw rod 19. The driving motor 15 drives the driving wheel 16 to rotate, so as to drive the two driving wheels 17 to rotate, further drive the first screw rod 18 and the second screw rod 19 to rotate, so that the two crushing assemblies 8 are close to or far away from each other, thereby crushing coal into different sizes according to requirements, and improving the application range of the device.
The material guide plate 10 matched with the material conveying channel 6 is obliquely arranged below the primary crushing device, the material guide plate 10 inclines 45-60 degrees towards the direction of the material conveying channel 6, coal crushed by the primary crushing device falls on the material guide plate 10, and the coal slides up and down on the material guide plate 10 and flows into the secondary crushing box 2 through the material conveying channel 6. An electric heating plate 24 is installed at the bottom of the guide plate 10, and the electric heating plate 24 can further remove moisture carried in the coal.
The secondary crushing device 9 is installed on the inner top surface of the secondary crushing box 2 in a lifting mode, the secondary crushing device 9 comprises a lifting rod 91 and a crushing plate 92, the lifting rod 91 is an electric telescopic rod and is vertically installed on the inner top surface of the secondary crushing box 2, a horizontal limiting plate 20 is installed at the lifting end of the lifting rod 91, the crushing plate 92 is installed at the bottom of the limiting plate 20, and crushing teeth are installed at the bottom of the crushing plate 92; limiting grooves 21 are formed in the inner walls of the two sides of the secondary crushing box 2, limiting rods 22 are vertically arranged in the limiting grooves 21, through holes matched with the limiting rods 22 are formed in the two sides of each limiting plate 20, and compression springs 23 are sleeved on the limiting rods 22 located below the limiting plates 20. The lifting rod 91 is lifted to drive the limiting plate 20 and the crushing plate 92 to lift, two sides of the limiting plate 20 slide on the limiting rod 22, when the lifting rod 91 is lowered to the lowest point, the limiting plate 20 is in contact with the inner bottom surface of the limiting groove 21, and the crushing plate 92 is in contact with the supporting plate 11.
A supporting plate 11 matched with the secondary crushing device is arranged below the secondary crushing device 9, one side of the supporting plate 11 is hinged to the inner wall of the secondary crushing box 2 below the re-feeding channel 6, the other side of the supporting plate is located in the discharging opening 5, the bottom of the supporting plate 11, which is close to one end of the re-feeding channel 6, is connected with a piston rod 12 in a crossed mode, the bottom of the other end of the supporting plate 11 is hinged with a hydraulic rod 13, the hydraulic rod 13 is connected with a hydraulic cylinder, the piston rod 12 and the hydraulic rod 13 are both fixedly arranged on the inner bottom surface of the secondary crushing box 2, when the hydraulic rod 13 rises to the highest point, the supporting plate 11 is located in a horizontal position, the top surface of the supporting plate 11 is in contact with the inner top surface of the discharging; when the hydraulic rod 13 descends to the lowest point, the support plate 11 rotates by taking a hinge point as a center, the included angle between the support plate 11 and the horizontal plane is 30-50 degrees, the support plate 11 inclines towards the direction of the discharge opening 5, the bottom surface of the support plate 11 is contacted with the inner bottom surface of the discharge opening 5, and coal slides on the support plate 11 along with gravity and is discharged from the discharge opening 5.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
The utility model discloses a theory of operation: firstly, starting a driving motor 15 to drive a first screw rod 18 and a second screw rod 19 to rotate, so that two crushing assemblies 8 are close to or far away from each other to an ideal position; coal is fed from the feeding hole 3, falls on the baffle plate 71, gravity is increased along with increase of the coal, the baffle plate 71 rotates by taking a hinged position as a center, the coal falls into the primary crushing box 1, after the coal falls, the return spring 72 returns to drive the baffle plate 71 to return, the rotating motors 84 on the two crushing assemblies 8 are respectively started, the rotating motors 84 drive the crushing rollers 83 to rotate to crush the coal, the crushed coal falls on the material guide plate 10 and flows onto the supporting plate 11 along with the falling of the material guide plate 10 through the material conveying channel 6, meanwhile, the electric heating plate 24 is started to heat the coal to remove water, the hydraulic rod 13 is controlled to contract to the lowest point, the supporting plate 11 inclines, the bottom surface of the supporting plate is in contact with the inner bottom surface of the discharging hole 5, and the coal on the supporting plate 11 is discharged from the.
When secondary crushing is required: the control hydraulic rod 13 rises to the highest point, the supporting plate 11 is horizontal, the top surface of the supporting plate is in contact with the inner top surface of the discharge opening 5, coal stays on the supporting plate 11, the lifting rod 91 is controlled to extend to drive the crushing plate 92 to descend to perform secondary crushing on the coal on the supporting plate 11, the control hydraulic rod 13 contracts to the lowest point after crushing, the supporting plate 11 inclines, the bottom surface of the supporting plate is in contact with the inner bottom surface of the discharge opening 5, and the coal on the supporting plate 11 is discharged from the discharge opening 5.
Claims (8)
1. The utility model provides a crushing equipment for coal, includes primary crushing case (1) and secondary crushing case (2) rather than being connected, open at primary crushing case (1) top has feed inlet (3), and open secondary crushing case (2) lower part has bin outlet (5), and it has defeated material passageway (6), its characterized in that to open between primary crushing case (1) and secondary crushing case (2): install protection door mechanism (7) in elementary broken case (1), elementary breaker is installed to protection door mechanism (7) below, and elementary breaker is located defeated material passageway (6) top, and the slope of elementary breaker below is installed and is failed material passageway (6) complex stock guide (10), secondary breaker (9) are installed to the top surface liftable in secondary broken case (2), and backup pad (11) rather than complex is installed to secondary breaker (9) below, and on secondary broken case (2) inner wall below defeated material passageway (6) is again articulated to backup pad (11) one side, the opposite side is located bin outlet (5), and the bottom handing-over that backup pad (11) is close to defeated material passageway (6) one end has piston rod (12), and other end bottom articulates there is hydraulic stem (13), and piston rod (12) and hydraulic stem (13) equal fixed mounting are in secondary broken case (2) bottom, when the hydraulic rod (13) rises to the level of the support plate (11), the top surface of the support plate (11) is contacted with the inner top surface of the discharge opening (5).
2. The crushing apparatus for coal according to claim 1, characterized in that: guard gate mechanism (7) include two baffles (71) and reset spring (72), two baffle (71) symmetry articulates in elementary broken case (1), and reset spring (72) are all installed at two baffle (71) tops, and reset spring (72) are kept away from the one end of baffle (71) and are connected with elementary broken case (1) lateral wall, and when reset spring (72) extended naturally, two baffles (71) were in horizontal position, and kept away from one side of elementary broken case (1) and contact each other.
3. The crushing apparatus for coal according to claim 2, characterized in that: two return springs (72) are installed at the top of each baffle (71), and the two return springs (72) are installed on two sides of the top of the baffle (71) respectively.
4. The crushing apparatus for coal according to claim 1, characterized in that: the primary crushing device comprises an installation box (14), a driving motor (15), a driving wheel (16), a driving wheel (17), a first screw rod (18), a second screw rod (19) and crushing assemblies (8), wherein the installation box (14) is installed on the outer wall of the primary crushing box (1), the driving motor (15) is installed in the installation box (14), the driving wheel (16) is installed on an output shaft of the driving motor (15), the driving wheel (17) is connected to two sides of the driving wheel (16) through belts, the first screw rod (18) and the second screw rod (19) which are horizontal are installed on the two driving wheels (17) respectively, the first screw rod (18) and the second screw rod (19) penetrate through the side wall of the primary crushing box (1) through bearings respectively, threads which are turned to different directions are opened at two ends of the first screw rod (18) and the second screw rod (19) respectively, the two crushing assemblies (8) which are identical in structure can be installed at two ends between the first screw rod (18) and the, the first screw rod (18) and the second screw rod (19) rotate to drive the two crushing assemblies (8) to approach or separate from each other.
5. The crushing plant for coal according to claim 4, characterized in that: broken subassembly (8) include slider (81), pivot (82), broken running roller (83) and rotation motor (84), but slider (81) have two and slidable mounting respectively on first lead screw (18) and second lead screw (19), rotatable between two sliders (81) install pivot (82), and fixed mounting has broken running roller (83) on pivot (82), installs on slider (81) to be used for driving pivot (82) pivoted rotation motor (84).
6. The crushing apparatus for coal according to claim 1, characterized in that: the secondary crushing device (9) comprises a lifting rod (91) and a crushing plate (92), the lifting rod (91) is vertically arranged on the inner top surface of the secondary crushing box (2), and a horizontal crushing plate (92) is arranged at the lifting end of the lifting rod (91).
7. The crushing plant for coal according to claim 6, characterized in that: install limiting plate (20) between lifter (91) and crushing plate (92), secondary broken case (2) both sides inner wall is opened there are spacing groove (21), and equal vertical gag lever post (22) of installing in spacing groove (21), limiting plate (20) both sides all opened with gag lever post (22) complex through-hole, the cover has compression spring (23) on gag lever post (22) that is located limiting plate (20) below.
8. The crushing apparatus for coal according to claim 1, characterized in that: an electric heating plate (24) is arranged at the bottom of the material guide plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921036323.0U CN210411074U (en) | 2019-07-04 | 2019-07-04 | Crushing equipment for coal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921036323.0U CN210411074U (en) | 2019-07-04 | 2019-07-04 | Crushing equipment for coal |
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| Publication Number | Publication Date |
|---|---|
| CN210411074U true CN210411074U (en) | 2020-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921036323.0U Active CN210411074U (en) | 2019-07-04 | 2019-07-04 | Crushing equipment for coal |
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| CN (1) | CN210411074U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649583A (en) * | 2020-05-19 | 2020-09-11 | 蒋洪平 | Aluminum profile smelting furnace |
| CN111921607A (en) * | 2020-08-06 | 2020-11-13 | 武汉合创四联科技发展有限公司 | Crushing and sorting equipment for waste building structures |
| CN112354603A (en) * | 2020-10-12 | 2021-02-12 | 林华胜 | Environment-friendly brick manufacturing device and manufacturing method thereof |
| CN112973910A (en) * | 2021-02-24 | 2021-06-18 | 袁增卫 | Coal mine crusher |
| CN113414105A (en) * | 2021-05-27 | 2021-09-21 | 中国地质调查局西安地质调查中心(西北地质科技创新中心) | Oil exploration rock debris particle size separation device |
-
2019
- 2019-07-04 CN CN201921036323.0U patent/CN210411074U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649583A (en) * | 2020-05-19 | 2020-09-11 | 蒋洪平 | Aluminum profile smelting furnace |
| CN111921607A (en) * | 2020-08-06 | 2020-11-13 | 武汉合创四联科技发展有限公司 | Crushing and sorting equipment for waste building structures |
| CN112354603A (en) * | 2020-10-12 | 2021-02-12 | 林华胜 | Environment-friendly brick manufacturing device and manufacturing method thereof |
| CN112973910A (en) * | 2021-02-24 | 2021-06-18 | 袁增卫 | Coal mine crusher |
| CN113414105A (en) * | 2021-05-27 | 2021-09-21 | 中国地质调查局西安地质调查中心(西北地质科技创新中心) | Oil exploration rock debris particle size separation device |
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