CN210159683U

CN210159683U - Crushing device for coal mining

Info

Publication number: CN210159683U
Application number: CN201920553907.9U
Authority: CN
Inventors: 罗永刚; 莫天根
Original assignee: Shaanxi Changwu Tingnan Coal Industry Co Ltd
Current assignee: Shaanxi Changwu Tingnan Coal Industry Co Ltd
Priority date: 2019-04-23
Filing date: 2019-04-23
Publication date: 2020-03-20
Anticipated expiration: 2029-04-23

Abstract

The utility model discloses a breaker is adopted in coal mining, including box and bottom plate, box circumference outer wall is fixed with four connecting plates, and the connecting plate is fixed with the bottom plate, the bottom half outer wall is opened there is the discharge opening, and the interior fixed mounting of discharge opening has the sieve of specification looks adaptation, and sieve bottom outer wall is opened there is the stock guide that the equidistance distributes, bottom plate top outer wall one side is rotated through the hinge and is installed the stock guide, and stock guide bottom outer wall top both sides are fixed with the connecting block, bottom plate top outer wall one side is fixed with two dead levers, and the dead lever top is fixed with the stock guide spring, stock guide spring top and connecting block contact. The utility model discloses can carry out the continuation screening to the less coal ore of volume in the crushing process and unload for the volume reaches the direct discharge of colliery stone of specification, prevents excessive crushing, and when the colliery stone after can also screening falls into the stock guide, utilize guide spring reaction force to improve the smoothness degree of guide work.

Description

Crushing device for coal mining

Technical Field

The utility model relates to a coal mine production equipment technical field especially relates to a 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.

The coal mine is often very big when the exploitation, consequently can carry out the breakage to massive coal mine in order to make things convenient for the transportation, through the retrieval, chinese patent authorizes the patent that is CN208612599U, discloses a coal mine breaker for coal mining, including broken section of thick bamboo, the storage case, the shock attenuation supporting leg subassembly, frame and tup, be linked together through the blanking pipeline between the bottom of storage case and the top of broken section of thick bamboo, the inner chamber of broken section of thick bamboo rotates and is provided with the hammer spindle, the epaxial equipartition of hammer is fixed to be provided with a plurality of hammer handles, the tip of each hammer handle all is provided with the tup. The above patents suffer from the following disadvantages: the coal mine crusher cannot unload materials after the coal mine is completely crushed, the unloading work has discontinuity, and the coal ore with smaller volume cannot be screened and unloaded in the crushing process, so that excessive crushing is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a crushing device for coal mining.

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

the utility model provides a breaker for coal mining, includes box and bottom plate, and box circumference outer wall is fixed with four connecting plates, and the connecting plate is fixed with the bottom plate, open bottom half outer wall has the discharge opening, and the interior fixed mounting of discharge opening has the sieve of specification looks adaptation, and the guide hole that has the equidistance and distribute is opened to sieve bottom outer wall, bottom plate top outer wall one side is rotated through the hinge and is installed the stock guide, and stock guide bottom outer wall top both sides are fixed with the connecting block, bottom plate top outer wall one side is fixed with two dead levers, and the dead lever top is fixed with the guide spring, guide spring top and connecting block contact.

Further, the outer wall of one side of the box body is fixedly provided with a motor through a bolt, a motor output shaft penetrates through the inner wall of the box body and is fixedly provided with a transmission shaft, the outer wall of one side of the transmission shaft is fixedly sleeved with a fixed block, the outer wall of the fixed block is welded with three connecting rods which are distributed in an equidistant annular mode, and one end of each connecting rod is welded with a crushing hammer.

Furthermore, the outer wall of one side of the crushing hammer is welded with an arc-shaped block, and the outer wall of one side of the crushing hammer is welded with at least one trapezoidal bulge.

Furthermore, the inner wall of the circumference of the box body is fixedly provided with stop blocks which are distributed at equal intervals.

Furthermore, the top ends of the two connecting plates above the box body are welded with top plates, and the top plates and the box body are fixedly inserted with the same material guide hopper.

Furthermore, the top plate and the outer wall of the bottom plate are welded with the same side plate, and the outer wall of the bottom plate is sleeved with the base.

Furthermore, the outer wall of the bottom plate is welded with fixing columns distributed at equal intervals, the outer walls of the fixing columns are sleeved with buffer springs, and the bottom ends of the buffer springs are in contact with the base.

The utility model has the advantages that:

1. through the arrangement of the sieve plate and the material guide holes, coal ores with smaller volume can be continuously screened and unloaded in the crushing process, so that coal mine stones with the volume reaching the specification are directly discharged, excessive crushing is prevented, in addition, the screened coal mine stones fall onto the material guide plate to slightly compress the material guide springs, and the smoothness of material guide work is improved by utilizing the reaction force;

2. the arrangement of the bottom plate and the fixing column can compress the buffer spring under the action of the gravity of the box body, so that bumping and shaking generated in the crushing process of the device are buffered, the damping capacity of the device is improved, the device is prevented from shaking, and the stability of the crushing work is improved;

3. through the setting of trapezoidal arch and arc piece can follow crushing hammer and dog emergence relative motion under motor drive, hit the bulky coal ore that drops into in the box and hit and smash, improve crushing effect.

Drawings

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

fig. 2 is a schematic front view of a crushing device for coal mining according to the present invention;

fig. 3 is the utility model provides a breaker's stock guide structure sketch map for coal mining.

In the figure: the device comprises a base plate 1, side plates 2, arc-shaped blocks 3, a crushing hammer 4, a fixing block 5, a connecting plate 6, a top plate 7, a material guide hopper 8, a stop dog 9, a box body 10, a transmission shaft 11, a buffer spring 12, a material guide spring 13, a fixing rod 14, material guide holes 15, a sieve plate 16, a material guide plate 17, a base 18 and a motor 19.

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 crushing device for coal mining comprises a box body 10 and a bottom plate 1, four connecting plates 6 are welded on the outer wall of the circumference of the box body 10, the connecting plates 6 are welded with the bottom plate 1, a discharge opening is formed in the outer wall of the bottom of the box body 10, a sieve plate 16 with matched specifications is fixed in the discharge opening through bolts, guide holes 15 distributed at equal intervals are formed in the outer wall of the bottom of the sieve plate 16, a guide plate 17 is rotatably installed on one side of the outer wall of the top of the bottom plate 1 through a hinge shaft, connecting blocks are welded on two sides of the top end of the outer wall of the bottom of the guide plate 17, two fixing rods 14 are welded on one side of the outer wall of the top of the bottom plate 1, guide springs 13 are welded on the top ends of the fixing rods 14, the top ends of the guide springs 13 are in contact, in addition, the screened coal mine stones fall onto the material guide plate 17 to slightly compress the material guide springs 13, and the smoothness of material guide work is improved by utilizing the reaction force.

Wherein, box 10 one side outer wall has motor 19 through the bolt fastening, and motor 19 output shaft passes box 10 inner wall and is fixed with

transmission shaft

11, and 11 one side outer walls of transmission shaft cup joint and are fixed with fixed block 5, and the welding of 5 outer walls of fixed block has the connecting rod of three equidistance annular distribution, and the welding of connecting rod one end has crushing hammer 4, and crushing hammer 4 is beaten the colliery stone and is beaten crushing work.

Wherein, the outer wall welding of 4 one sides of quartering hammer has arc piece 3, and the outer wall welding of 4 one sides of quartering hammer has at least one trapezoidal arch, and trapezoidal arch and arc piece 3 follow quartering hammer 4 and dog emergence relative motion under the drive of motor 19, roll to hit the bulky coal ore that drops into in the box 10 and hit to hit and beat and smash, improve crushing effect.

Wherein, the baffle blocks 9 which are distributed equidistantly are fixedly arranged on the circumferential inner wall of the box body 10, thereby playing the role of rolling.

Wherein, the top ends of the two connecting plates 6 above the box body 10 are welded with the top plates 7, and the top plates 7 and the box body 10 are fixedly inserted with the same material guide hopper 8.

Wherein, the same curb plate 2 of roof 7 and bottom plate 1 outer wall welding, and bottom plate 1 outer wall cup joints base 18.

Wherein, the welding of bottom plate 1 bottom outer wall has the fixed column that the equidistance distributes, and the fixed column outer wall has cup jointed buffer spring 12, and buffer spring 12 bottom and the contact of base 18, bottom plate 1 and fixed column can compress buffer spring 12 under box 10 self action of gravity, cushion the vibrations of jolting that produces in the device crushing process, improve device shock-absorbing capacity.

The working principle is as follows: coal ore is put into the box body 10 from the material guide hopper 8, the trapezoidal bulge and the arc-shaped block 3 are driven by the motor 19 to move relatively along with the crushing hammer 4 and the stop block, the crushing effect is improved by crushing and beating the large-volume coal ores thrown into the box body 10, the sieve plate 16 and the material guide holes 15 continuously screen and unload the coal ores with smaller volume in the crushing process, so that the coal ores with the volume reaching the specification are directly discharged to prevent excessive crushing, in addition, the screened coal mine stones fall onto the material guide plate 17 to slightly compress the material guide springs 13, the smoothness of material guide work is improved by using the reaction force, the bottom plate 1 and the fixed columns can compress the buffer springs 12 under the action of the self gravity of the box body 10, the jolting vibration generated in the crushing process of the device is buffered, the damping capacity of the device is improved, the device is prevented from shaking, and the stability of the crushing work is improved.

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. The utility model provides a breaker for coal mining, includes box (10) and bottom plate (1), box (10) circumference outer wall is fixed with four connecting plates (6), and connecting plate (6) are fixed with bottom plate (1), its characterized in that, box (10) bottom outer wall is opened there is the discharge opening, and fixed mounting has sieve (16) of specification looks adaptation in the discharge opening, and sieve (16) bottom outer wall is opened there are guide hole (15) that the equidistance distributes, bottom plate (1) top outer wall one side is rotated through the hinge and is installed stock guide (17), and stock guide (17) bottom outer wall top both sides are fixed with the connecting block, bottom plate (1) top outer wall one side is fixed with two dead levers (14), and dead lever (14) top is fixed with guide spring (13), and guide spring (13) top and connecting block contact.

2. The crushing device for coal mining according to claim 1, wherein a motor (19) is fixed on the outer wall of one side of the box body (10) through bolts, a transmission shaft (11) is fixed on the outer wall of one side of the transmission shaft (11) in a sleeved mode through the inner wall of the box body (10) through an output shaft of the motor (19), a fixed block (5) is fixed on the outer wall of one side of the transmission shaft (11), three connecting rods distributed in an annular mode at equal intervals are welded on the outer wall of the fixed block (5), and the crushing hammer (4).

3. The crushing device for coal mining according to claim 2, wherein the arc-shaped block (3) is welded on the outer wall of one side of the crushing hammer (4), and the at least one trapezoidal protrusion is welded on the outer wall of one side of the crushing hammer (4).

4. A breaking apparatus for coal mining as claimed in claim 3, wherein the inner circumferential wall of the casing (10) is fixedly provided with equidistantly spaced stops (9).

5. The crushing device for coal mining according to claim 1, characterized in that the top ends of the two connecting plates (6) above the box body (10) are welded with top plates (7), and the top plates (7) and the box body (10) are fixedly inserted with the same material guide hopper (8).

6. The crushing device for coal mining according to claim 5, wherein the same side plate (2) is welded on the outer wall of the top plate (7) and the outer wall of the bottom plate (1), and the base (18) is sleeved on the outer wall of the bottom plate (1).

7. The crushing device for coal mining according to claim 6, wherein fixing columns are welded on the outer wall of the bottom plate (1) and are distributed at equal intervals, a buffer spring (12) is sleeved on the outer wall of each fixing column, and the bottom end of each buffer spring (12) is in contact with the base (18).