CN211436399U

CN211436399U - Coal mine crushing device for coal mining

Info

Publication number: CN211436399U
Application number: CN201921483344.7U
Authority: CN
Inventors: 崔英; 樊妙虎; 黎明
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-07
Filing date: 2019-09-07
Publication date: 2020-09-08
Anticipated expiration: 2029-09-07

Abstract

The utility model belongs to the coal mining field, in particular to a coal mining crushing device for coal mining, which provides the following proposal aiming at the problems that the prior crushing device has low crushing efficiency and can not meet the requirements of people, it includes broken case, the bottom welding of broken case has two backup pads, the welding of one side bottom that two backup pads are close to each other has same bottom plate, bolt fixedly connected with driving motor is passed through at the top of bottom plate, the welding has the primary shaft on driving motor's the output shaft, the first hole has been seted up on the bottom inner wall of broken case, the primary shaft rotates and installs in the first hole, two second holes have been seted up on the bottom inner wall of broken case, the downthehole second shaft that installs of second, the welding has the first puddler of multiunit in the outside of primary shaft, the welding has the second puddler of multiunit in the outside of secondary shaft, sliding seal installs the closing plate. The utility model discloses the practicality is good, and is efficient to the coal cinder is broken, satisfies people's needs.

Description

Coal mine crushing device for coal mining

Technical Field

The utility model relates to a coal mining technical field especially relates to a coal mine breaker for coal mining.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine.

Coal mines are often very big when mining, so can carry out the breakage to bold coal cinder for the convenience transportation, but present breaker's crushing efficiency is low, can not satisfy people's needs.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the crushing efficiency that has breaker among the prior art and being low, can not satisfy people's needs shortcoming, and the colliery breaker for coal mining who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a coal mine crushing device for coal mining comprises a crushing box, wherein two supporting plates are welded at the bottom of the crushing box, the bottom of one side, close to each other, of the two supporting plates is welded with the same bottom plate, the top of the bottom plate is fixedly connected with a driving motor through bolts, a first shaft is welded on an output shaft of the driving motor, a first hole is formed in the inner wall of the bottom of the crushing box, the first shaft is rotatably installed in the first hole, two second holes are formed in the inner wall of the bottom of the crushing box, a second shaft is rotatably installed in the second hole, a plurality of groups of first stirring rods are welded on the outer side of the first shaft, a plurality of groups of second stirring rods are welded on the outer side of the second shaft, a sealing plate is slidably and hermetically installed in the crushing box, two connecting plates are welded at the bottom of the sealing plate, the welding of the top of bottom plate has two fixed plates, the turn trough has all been seted up to one side that two fixed plates are close to each other, the pivot is installed to the turn trough internal rotation, the fixed cover in the outside of primary shaft is equipped with first bevel gear, the second bevel gear has all been welded to the one end that two pivots are close to each other, first bevel gear meshes with the second bevel gear mutually, the one side bottom that two connecting plates kept away from each other has all welded the traction plate, the extrusion piece has all been welded to one side that two traction plates kept away from each other, the ring channel has been seted up in the outside of.

Preferably, first traction hole and two second traction holes have been seted up at the top of closing plate, and first traction hole is run through on the top of primary shaft, and corresponding second traction hole is run through on the top of secondary shaft, all is provided with the sealing washer on the lateral wall of first traction hole and second traction hole, and primary shaft and secondary shaft rotate sealed contact with the inboard of corresponding sealing washer respectively.

Preferably, the fixed cover in the outside of pivot is equipped with the cam, and the cam contacts with the bottom of diaphragm, and the feed port has been seted up at the top of broken case, fixedly connected with feed hopper in the feed port.

Preferably, the rear side of broken case articulates there is the chamber door, and one side welding of chamber door has the mounting panel, has seted up the screw hole on the mounting panel, and the rear side of broken case is opened and is equipped with the screw groove, and the same screw is installed to the screw hole and the screw groove internal thread that are linked together, makes things convenient for the switching chamber door.

Preferably, the first stirring rods in the same group are arranged in a ring shape.

Preferably, the second stirring rods in the same group are arranged in a ring shape.

In the utility model, the coal mine crushing device for coal mining guides coal blocks into the crushing box through the feeding funnel, the driving motor is started, the output shaft of the driving motor drives the first shaft to rotate, the first shaft drives the first bevel gear to rotate, the second bevel gear drives the rotating shaft to rotate, the rotating shaft drives the cam to rotate, the cam extrudes the transverse plate to drive the transverse plate to move, the connecting plate drives the sealing plate to move, under the rotation that the cam lasts, can make the closing plate remove at vertical round trip, and then can last rock the coal cinder, the traction plate drives the extrusion piece and removes, drives the secondary shaft and rotates, and primary shaft and secondary shaft drive first puddler and second puddler respectively and rotate, and first puddler and second puddler carry out the breakage to the coal cinder, and broken efficient satisfies people's needs.

The utility model discloses the practicality is good, and is efficient to the coal cinder is broken, satisfies people's needs.

Drawings

Fig. 1 is a schematic structural diagram of a coal mine crushing device for coal mining according to the present invention;

fig. 2 is a schematic structural diagram of a part a of a coal mine crushing device for coal mining according to the present invention;

fig. 3 is the utility model provides a rear view structure schematic diagram that coal mining is connected with colliery breaker's broken case and chamber door.

In the figure: 1 crushing box, 2 supporting plates, 3 bottom plates, 4 driving motors, 5 first shafts, 6 second shafts, 7 first stirring rods, 8 second stirring rods, 9 sealing plates, 10 connecting plates, 11 transverse plates, 12 fixing plates, 13 rotating shafts, 14 first bevel gears, 15 second bevel gears, 16 cams, 17 traction plates, 18 extrusion blocks, 19 annular grooves and 20 box doors.

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.

Referring to fig. 1-3, a coal mine crushing device for coal mining comprises a crushing box 1, two support plates 2 are welded at the bottom of the crushing box 1, the same bottom plate 3 is welded at the bottom of one side, close to each other, of the two support plates 2, the top of the bottom plate 3 is fixedly connected with a driving motor 4 through bolts, a first shaft 5 is welded on an output shaft of the driving motor 4, a first hole is formed in the inner wall of the bottom of the crushing box 1, the first shaft 5 is rotatably installed in the first hole, two second holes are formed in the inner wall of the bottom of the crushing box 1, a second shaft 6 is rotatably installed in the second holes, a plurality of groups of first stirring rods 7 are welded on the outer side of the first shaft 5, a plurality of groups of second stirring rods 8 are welded on the outer side of the second shaft 6, a sealing plate 9 is slidably and hermetically installed in the, connecting plate 10 slidable mounting is in the connecting hole, diaphragm 11 has all been welded to one side bottom that two connecting plates 10 are close to each other, the top welding of bottom plate 3 has two fixed plates 12, the rotary trough has all been seted up to one side that two fixed plates 12 are close to each other, pivot 13 is installed to the rotary trough internal rotation, the fixed cover in outside of primary shaft 5 is equipped with first bevel gear 14, second bevel gear 15 has all been welded to the one end that two pivot 13 are close to each other, first bevel gear 14 meshes with second bevel gear 15 mutually, one side bottom that two connecting plates 10 kept away from each other all has welded traction plate 17, one side that two traction plates 17 kept away from each other all has welded extrusion piece 18, ring channel 19 has been seted up in the outside of pivot 13, extrusion piece 18.

In this embodiment, first traction hole and two second traction holes have been seted up at the top of closing plate 9, and first traction hole is run through on the top of primary shaft 5, and corresponding second traction hole is run through on the top of secondary shaft 6, all is provided with the sealing washer on the lateral wall of first traction hole and second traction hole, and primary shaft 5 and secondary shaft 6 rotate sealed contact with the inboard of corresponding sealing washer respectively.

In this embodiment, the fixed cover in the outside of pivot 13 is equipped with cam 16, and cam 16 contacts with the bottom of diaphragm 11, and the feed port has been seted up at the top of broken case 1, fixedly connected with feed hopper in the feed port.

In this embodiment, broken case 1's rear side articulates there is chamber door 20, and one side welding of chamber door 20 has the mounting panel, has seted up the screw hole on the mounting panel, and broken case 1's rear side is opened and is equipped with the screw groove, and the same screw is installed to the screw hole and the screw groove internal thread that are linked together, makes things convenient for switching chamber door 20.

In this embodiment, the first stirring rods 7 in the same group are annularly arranged.

In this embodiment, the second stirring rods 8 in the same group are annularly arranged.

In the utility model, when in use, the coal blocks are guided into the crushing box 1 through the feeding hopper, the driving motor 4 is started, the driving motor 4 is controlled through the control switch, the driving motor 4 is powered by commercial power, the output shaft of the driving motor 4 drives the first shaft 5 to rotate, the first shaft 5 drives the first bevel gear 14 to rotate, the first bevel gear 14 drives the second bevel gear 15 to rotate, the second bevel gear 15 drives the rotating shaft 13 to rotate, the rotating shaft 13 drives the cam 16 to rotate, the cam 16 extrudes the transverse plate 11 to drive the transverse plate 11 to move, the transverse plate 11 drives the connecting plate 10 to move, the connecting plate 10 drives the sealing plate 9 to move, under the continuous rotation of the cam 16, the sealing plate 9 can be moved back and forth in the vertical direction, and then the coal blocks can be continuously shaken, the connecting plate 10 drives the traction plate 17 to move, the traction plate 17 drives the extrusion block 18 to move, extrusion piece 18 slidable mounting is in ring channel 19 to drive second shaft 6 and rotate, primary shaft 5 and secondary shaft 6 drive first puddler 7 and second puddler 8 respectively and rotate, and first puddler 7 and second puddler 8 carry out the breakage to the coal cinder, and broken efficient satisfies people's needs.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A coal mine crushing device for coal mining comprises a crushing box (1) and is characterized in that two supporting plates (2) are welded at the bottom of the crushing box (1), the same bottom plate (3) is welded at the bottom of one side, close to each other, of the two supporting plates (2), a driving motor (4) is fixedly connected to the top of the bottom plate (3) through bolts, a first shaft (5) is welded on an output shaft of the driving motor (4), a first hole is formed in the inner wall of the bottom of the crushing box (1), the first shaft (5) is rotatably installed in the first hole, two second holes are formed in the inner wall of the bottom of the crushing box (1), a second shaft (6) is rotatably installed in the second holes, a plurality of groups of first stirring rods (7) are welded on the outer side of the first shaft (5), a plurality of groups of second stirring rods (8) are welded on the outer side of the second shaft (6, two connecting plates (10) are welded at the bottom of a sealing plate (9), two connecting holes are formed in the bottom of a crushing box (1), the connecting plates (10) are slidably mounted in the connecting holes, transverse plates (11) are welded at the bottoms of the sides, close to each other, of the two connecting plates (10), two fixing plates (12) are welded at the top of a bottom plate (3), rotary grooves are formed in the sides, close to each other, of the two fixing plates (12), rotary shafts (13) are rotatably mounted in the rotary grooves, first bevel gears (14) are fixedly sleeved on the outer sides of first shafts (5), second bevel gears (15) are welded at the ends, close to each other, of the two rotary shafts (13), the first bevel gears (14) are meshed with the second bevel gears (15), traction plates (17) are welded at the bottoms of the sides, far away from each other, of the two traction plates (17), the outer side of the rotating shaft (13) is provided with an annular groove (19), the extrusion block (18) is slidably mounted in the annular groove (19), the top of the sealing plate (9) is provided with a first traction hole and two second traction holes, the top end of the first shaft (5) penetrates through the first traction hole, the top end of the second shaft (6) penetrates through the corresponding second traction holes, the side walls of the first traction hole and the second traction holes are respectively provided with a sealing ring, the first shaft (5) and the second shaft (6) are respectively in rotary sealing contact with the inner sides of the corresponding sealing rings, the outer side of the rotating shaft (13) is fixedly sleeved with a cam (16), the cam (16) is in contact with the bottom of the transverse plate (11), the top of the crushing box (1) is provided with a feeding hole, a feeding funnel is fixedly connected in the feeding hole, the rear side of the crushing box (1) is hinged with a box door (20), and one, the screw hole has been seted up on the mounting panel, and the rear side of broken case (1) is opened and is equipped with the screw groove, and the same screw is installed to the screw hole and the screw groove internal thread that are linked together.

2. A coal mine crushing apparatus for coal mining as claimed in claim 1 wherein the first rabble bars (7) in the same group are arranged in a ring.

3. A coal mine crushing apparatus for coal mining as claimed in claim 1 wherein the second rabble arms (8) in the same group are arranged in a ring.