CN215541567U - Combined anti-blocking coal sample fine particle crusher - Google Patents

Abstract

The utility model discloses a combined type anti-blocking coal sample fine particle crusher which comprises a base, a driven gear, a driving gear, a crusher shell, a rotor, a driving belt pulley, a driven belt pulley, a pair roller crushing group and a cleaning plate, wherein the base is a horizontal bottom plate and is positioned at the bottommost part, the crusher shell is a hollow housing and is arranged above the base, the top of the crusher shell is provided with a feeding hole, the bottom of the crusher shell is provided with a discharging hole, the feeding hole is provided with a dredging device, the rotor is rotatably arranged in the middle of the crusher shell, the pair roller crushing group is a plurality of groups of crushing rollers which rotate oppositely, the pair roller crushing group is arranged below the rotor, the driven gear and the driving gear are meshed to drive the crushing rollers to rotate, the base is provided with a second rotating motor which is connected with the driving gear and drives the pair roller crushing group to rotate, and the cleaning plate is arranged below the pair roller crushing group. The crusher of the utility model is not easy to block when crushing wet coal, and has the function of crushing roller fine grains, and the crushing granularity is uniform.

Description

Combined anti-blocking coal sample fine particle crusher

Technical Field

The utility model belongs to the technical field of coal sample crushing in a coal sample preparation process, and particularly relates to a combined type anti-blocking coal sample fine particle crusher.

Background

The ring hammer crusher and the roller crusher are generally used for crushing coal samples to required granularity levels respectively in the coal sample preparation process for coal quality testing, the coal samples are crushed to the adaptive feeding granularity levels suitable for the roller crusher through the ring hammer crusher, the crushed coal samples are crushed to the granularity levels required for testing through the roller crusher, coal blockage easily occurs in the two crushers under the condition of high moisture of the coal samples, the crushers are required to be opened for operation respectively for clearing the blockage, the working environment is severe, the labor intensity is high, the existing roller crusher is poor in adaptability to the feeding granularity, the crushed coal samples are uneven in granularity and mixed with a large number of flaky coal samples, the requirement on the sieving rate of the coal samples is difficult to meet, and the crusher capable of solving the problems needs to be found.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a combined anti-blocking coal sample fine particle crusher which can solve the problems that the coal sample is uneven in particle size and a large amount of flaky coal samples are mixed, has a ring hammer coarse particle crushing function, is not easy to block when wet coal is crushed due to the fact that a dredging device is arranged at a feeding hole, has a roll pair fine particle crushing function, is even in crushed particle size, and effectively prevents sample pollution due to the fact that a cleaning plate is arranged below a roll pair crushing group.

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

a combined anti-blocking coal sample fine particle crusher comprises a base, a driven gear, a driving gear, a crusher shell, a rotor, a driving belt pulley, a driven belt pulley and a pair roller crushing group, wherein the base is positioned at the bottommost part of a horizontal bottom plate, the crusher shell is a hollow shell and is arranged above the base, the top of the crusher shell is provided with a feeding port, the bottom of the crusher shell is provided with a discharging port, the feeding port is provided with a dredging device, the rotor is rotatably arranged at the middle part of the crusher shell, the pair roller crushing group is a plurality of groups of crushing rollers rotating in opposite directions, the pair roller crushing group is arranged below the rotor, the driven gear and the driving gear are meshed to drive the crushing rollers to rotate, the driving belt pulley is provided with a first rotating motor, the first rotating motor drives the driving belt pulley to rotate, the driven belt pulley is connected with the rotor to drive the rotor to rotate, the base is provided with a second rotating motor which is connected with the driving gear and drives the double-roller crushing group to rotate, and a cleaning plate is arranged below the double-roller crushing group.

Further, the rotor includes main shaft, tup fixed plate, hammer shaft, tup, the main shaft passes through bearing rotatable fixing on the breaker casing, extends to the inside and level setting of breaker casing, and this main shaft passes the center of multiunit tup fixed plate and is perpendicular with the tup fixed plate, the hammer shaft is fixed between two ends of two tup fixed plates, the tup suit is epaxial and rotatable at the hammer.

Furthermore, two hammer head fixed plates are a group and are both long-strip-shaped, and the hammer shaft is fixed between two tail ends of the two hammer head fixed plates.

Furthermore, the pair-roller crushing groups are provided with two groups, two ends of each group are fixed on the shell of the crusher through a bearing and a bearing support, the arrangement directions of the pair-roller crushing groups are respectively matched with the arc inside the shell of the crusher, each group of pair-roller crushing groups comprises two crushing rollers which rotate relatively, one group of pair-roller crushing groups is driven to rotate through a pair of meshed gears, and the gears are connected with a second motor.

Further, the discharge port is positioned below the pair roller crushing group.

Further, the dredging device comprises a double-shaft cylinder and a dredging plate, the dredging plate is obliquely inserted into the feeding hole from the outside of the feeding hole, a fixed plate is arranged at the upper end of the dredging plate and vertically connected with the fixed plate, a piston in the double-shaft cylinder is connected with the fixed plate, and the fixed plate is pushed by the piston to move up and down so as to drive the dredging plate to move up and down.

Furthermore, the cleaning plate is arranged below the pair roller crushing group, attached to the crushing roller and fixedly arranged on the shell of the crusher.

In summary, due to the adoption of the technical scheme, the utility model has the following technical effects:

1. the utility model is a combined mode of ring hammer crushing and double-roller crushing, which not only has the function of ring hammer coarse grain crushing, but also has the function of double-roller fine grain crushing, has uniform crushing granularity and effectively prevents sample pollution as a dredging device is arranged at a feed inlet, and is not easy to block when wet coal is crushed. .

2. According to the utility model, the dredging device is arranged at the feed inlet, and the double-shaft cylinder is used for driving the dredging plate to reciprocate up and down, so that the material blocked at the feed inlet is pushed into the crusher, and the feed inlet is prevented from being blocked when wet coal is crushed.

3. The discharge port of the crusher is provided with the double-pair-roller crushing group, the coal sample crushed by the ring hammer coarse grains is subjected to double-roller fine grain crushing, the crushing granularity is uniform, the consistency is good, and the requirement of coal quality testing sieving rate can be well met.

4. The crushing roller is uniformly provided with grooves along the axial direction, so that the roller crushing group is prevented from being blocked;

5. the broken group below of pair roller has set up and has cleaned the board and mesh with the crushing roller, will scrape at the rotatory in-process of crushing roller and sweep the long-pending coal on the crushing roller and realize wasing the crushing roller, effectively clears away long-pending coal on the crushing roller, prevents that the coal sample from polluting.

Drawings

FIG. 1 is a front view in section of the present invention;

FIG. 2 is a view in the direction A-A of FIG. 1;

FIG. 3 is a schematic view of the construction of the crushing roller of the present invention;

FIG. 4 is a schematic view of the internal structure of the present invention;

in the figure: the device comprises a base 1, a driven gear 2, a driving gear 3, a crusher shell 4, a rotor 5, a main shaft 51, a hammer head fixing plate 52, a hammer shaft 53, a hammer head 54, a self-aligning roller bearing 55, a shaft sleeve 56, a spacer 57, a left bearing seat 58, a right bearing seat 59, a feeding port 6, a discharging port 7, a dredging device 8, a double-shaft cylinder 81, a dredging plate 82, a fixing plate 83, a crushing roller 9, a crushing roller A91, a crushing roller B92, a first rotating motor 10, a speed reduction motor 11, a driving belt pulley 12, a cleaning plate 13 and a driven belt pulley 14.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

Example 1

As shown in fig. 1 and fig. 2, a combined anti-blocking coal sample fine particle crusher comprises a base 1, a driven gear 2, a driving gear 3, a crusher shell 4, a rotor 5, a driving pulley 12, a driven pulley 14 and a pair roller crushing group, wherein the base 1 is a horizontal bottom plate and is positioned at the bottommost part, the crusher shell 4 is a hollow housing and is arranged above the base 1, a feeding port 6 is arranged at the top part of the crusher shell, a discharging port 7 is arranged at the bottom part of the crusher shell, a dredging device 8 is arranged at the feeding port 6, the rotor 5 is rotatably and fixedly arranged at the middle part of the crusher shell 4, the pair roller crushing group is a plurality of groups of crushing rollers 9 which rotate oppositely, the pair roller crushing group is arranged below the rotor 5, the driven gear 2 and the driving gear 3 are meshed to drive the crushing rollers to rotate, a first rotating motor 10 is arranged on the driving pulley 12 and drives the driving pulley to rotate so as to drive the driven pulley 14 to rotate, the driven belt pulley 14 is connected with the rotor 5 to drive the rotor to rotate, and the base 1 is provided with a second rotating motor (not shown in the figure) which is connected with the driving gear and drives the double-roller crushing group to rotate. After the materials enter the crusher from the feeding port 6, the dredging device at the feeding port 6 continuously dredges the materials to push the materials into the crusher, the rotor 5 rotates to strike and crush the coal sample to form primary crushing, the coal sample after the primary crushing falls into the pair roller crushing group, and the pair roller crushing group rotates oppositely to roll the entering coal sample to form secondary crushing, so that the crushed particle size of the coal sample is smaller and more uniform. The first rotating motor and the second rotating motor can be provided with a speed reducing motor 11 which is connected with and controls the rotating speed of the whole crusher.

The rotor 5 comprises a main shaft 51, hammer head fixing plates 52, a hammer shaft 53 and hammer heads 54, wherein the main shaft 51 is rotatably fixed on the crusher shell 4 through bearings, extends into the crusher shell 4 and is horizontally arranged, the main shaft 51 penetrates through the centers of the multiple groups of hammer head fixing plates 52 and is vertical to the hammer head fixing plates 52, the hammer shaft is fixed between two tail ends of the two hammer head fixing plates, and the hammer heads are sleeved on the hammer shaft and can rotate. Thereby first rotation motor 10 drives driven gear 2 through driving gear 3 and rotates to make driving pulley 12 drive driven pulley 14 and rotate, driven pulley 14 is connected with main shaft 51, and main shaft 51 rotates the rotation that drives tup 54, and the direction that sets up of tup 54 is parallel with the pivot, can strike the coal sample by a large area when the pivoted.

As shown in fig. 3, the pair roller crushing group is provided with two groups, two ends of the pair roller crushing group are fixed on the crusher shell 4 through a bearing and a bearing support, the arrangement direction of the pair roller crushing group is respectively matched with the arc inside the crusher shell 4, each pair roller crushing group comprises two crushing rollers 9 which rotate in opposite directions, one pair of meshed gears are used for driving the pair roller crushing group to rotate, the gears are connected with a second motor, and the gears are driven by the second motor to rotate so that the two crushing rollers of the pair roller crushing group rotate synchronously in opposite directions.

The discharge port 7 is positioned below the double-roller crushing group, and the coal sample directly falls into the sample collecting device from the discharge port after being subjected to secondary crushing by the double-roller crushing group.

The dredging device 8 comprises a double-shaft cylinder 81 and a dredging plate 82, the dredging plate 82 is obliquely inserted into the feeding hole 6 from the outside of the feeding hole 6, a fixing plate 83 is arranged at the upper end of the dredging plate 82 and is vertically connected with the upper end of the dredging plate, a piston in the double-shaft cylinder 81 is connected with the fixing plate 83, and the piston pushes the fixing plate to move up and down so as to drive the dredging plate to move up and down.

The cleaning plate is arranged below the pair roller crushing group, attached to the crushing roller and fixedly arranged on the shell of the crusher.

As shown in FIG. 4, specifically, the crusher of the present embodiment comprises a base 1, a first rotating motor 10 fixedly installed at the right end of the base, a driving pulley 12 fixedly installed on the motor shaft, a crusher housing fixedly installed at the left end of the base and having a material inlet 6 at the upper part and a material outlet 7 at the lower part, a dredging device 8 fixedly installed at the right side of the material outlet of the crusher housing, a rotor 5 fixedly installed at the middle part of the crusher housing through a left end cover plate and a right end cover plate, a pair roller crushing group fixedly installed at the material outlet below the rotor, a driven gear 2 fixedly installed on the left end crushing roller shaft of the pair roller crushing group, cleaning plates fixedly installed at both sides of the material outlet below the pair roller crushing group, a speed reducing motor fixedly installed at the left end of the base, a driving gear fixedly installed on the output shaft of the speed reducing motor and engaged with the driven gear, and a transmission belt connecting the driving pulley and the driven pulley, and a guard is installed above the driving pulley 12, the transmission belt and the driving wheel. The driving pulley 12 is disposed on a first motor, which is a three-phase asynchronous motor and can drive the driving pulley to rotate, and the driving pulley 12 drives the driven pulley 14 to rotate, thereby driving the rotor to rotate.

Rotor 5 includes main shaft 51, install in main shaft 51 self-aligning roller bearing 55 at both ends, the bearing frame, install in the axle sleeve 56 in main shaft middle part, tup fixed plate 52, spacer 57, hammer spindle 53, tup 54, the bearing frame includes left bearing frame 58 and right bearing frame 59, main shaft 51 passes the bearing and installs on the bearing frame, bearing frame fixed mounting breaker casing, the center of tup fixed plate 52 pierces through to be fixed on main shaft 51, hammer spindle 53 fixes the both ends at the tup fixed plate, the tup is adorned on the hammer spindle admittedly and can be followed the hammer spindle and rotate, drive the tup when main shaft pivoted and rotate and hit the bits of broken coal sample.

The double-roller crushing group comprises 2 groups of crushing rollers 9 which are respectively a crushing roller A91 and a crushing roller B92, and also comprises deep groove ball bearings arranged at two ends of the crushing roller A91 and the crushing roller B92, and bearing blocks arranged at two ends of the double-roller crushing group and fixedly arranged with a crusher and a shell through the bearing blocks; the cleaning plate 13 is arranged below the pair of roller crushing groups, the cleaning plate 13 is fixed below the crushing roller 9, the cleaning head is attached to the crushing roller 9, and when the crushing roller 9 rotates, the cleaning plate and the cleaning plate move relatively to each other to remove residual coal samples on the crushing roller.

The working principle is as follows: the breaker during operation, the motor passes through the transmission band drive breaker rotor and rotates, two gear motor drive two sets of broken group's of pair roller crushing roller A and crushing roller B are rotatory in opposite directions respectively simultaneously, pull throughs's biax cylinder drives pull throughs reciprocating motion, get into the breaker from the breaker feed inlet and carry out the one-level breakage earlier through the ring hammer after the broken group of pair roller is broken again through the ring hammer in the breaker, discharge from the clearance between crushing roller A and the crushing roller B, pull throughs reciprocating motion prevents the feed inlet chute blockage, the cleaning plate is scraped and is swept the long-pending coal on the rotatory crushing roller, prevent that long-pending coal from leading to the coal sample pollution on the crushing roller.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Claims (7)

1. The utility model provides a modular prevent stifled coal sample fine grain breaker which characterized in that: the crusher comprises a base, a driven gear, a driving gear, a crusher shell, a rotor, a driving pulley, a driven pulley and a pair-roller crushing group, wherein the base is a horizontal bottom plate and is positioned at the bottommost part, the crusher shell is a hollow housing and is arranged above the base, a feeding hole is formed in the top of the crusher shell, a discharging hole is formed in the bottom of the crusher shell, a dredging device is arranged at the feeding hole, the rotor is rotatably arranged in the middle of the crusher shell, the pair-roller crushing group is a plurality of groups of crushing rollers which rotate oppositely, the pair-roller crushing group is arranged below the rotor, the driven gear and the driving gear are meshed to drive the crushing rollers to rotate, a first rotating motor is arranged on the driving pulley and drives the driving pulley to rotate, the driven pulley is connected with the rotor to drive the rotor to rotate, a second rotating motor is arranged on the base and is connected with the driving gear and drives the pair-roller crushing group to rotate, and a cleaning plate is arranged below the pair roller crushing group.

2. The combined type anti-blocking coal sample fine particle crusher of claim 1, characterized in that: the rotor includes main shaft, tup fixed plate, hammer spindle, tup, the main shaft passes through the bearing rotatable to be fixed on the breaker casing, extends to the inside and level setting of breaker casing, and this main shaft passes the center of multiunit tup fixed plate and perpendicular with the tup fixed plate, the hammer spindle is fixed between two ends of two tup fixed plates, the tup suit is epaxial and rotatable at the hammer.

3. The combined type anti-blocking coal sample fine particle crusher of claim 2, characterized in that: two hammer head fixed plates are a group and are both in a long strip shape, and the hammer shaft is fixed between two tail ends of the two hammer head fixed plates.

4. The combined type anti-blocking coal sample fine particle crusher of claim 1, characterized in that: the pair-roller crushing group is provided with two groups, two ends of the pair-roller crushing group are fixed on the shell of the crusher through a bearing and a bearing support, the arrangement direction of the pair-roller crushing group is respectively matched with the arc inside the shell of the crusher, each pair-roller crushing group comprises two crushing rollers rotating in opposite directions, one pair of engaged driven gears and one pair of engaged driving gears are engaged to drive the pair of roller crushing groups to rotate, and the driving gears are connected with a second motor.

5. The combined type anti-blocking coal sample fine particle crusher of claim 4, characterized in that: the discharge port is positioned below the pair roller crushing group.

6. The combined type anti-blocking coal sample fine particle crusher of claim 1, characterized in that: the dredging device comprises a double-shaft cylinder and a dredging plate, wherein the dredging plate is obliquely inserted into the feeding hole from the outside of the feeding hole, a fixed plate is arranged at the upper end of the dredging plate and is vertically connected with the double-shaft cylinder, a piston in the double-shaft cylinder is connected with the fixed plate, and the piston pushes the fixed plate to move up and down so as to drive the dredging plate to move up and down.

7. The combined type anti-blocking coal sample fine particle crusher of claim 1, characterized in that: the cleaning plate is fixedly arranged below the pair roller crushing group, attached to the crushing roller and fixed on the shell of the crusher.

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