CN210545402U

CN210545402U - Reducing mechanism is used in coal chemical examination

Info

Publication number: CN210545402U
Application number: CN201921502428.0U
Authority: CN
Inventors: 王妍; 王丽红; 成建兵
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-05-19
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a reducing mechanism is used in coal chemical examination, including branch, the upper end of branch is provided with the connecting block, the lower extreme fixed mounting of connecting block has the landing leg, the first fixed block of upper end fixedly connected with of branch, the upper end inboard of first fixed block is rotated and is connected with first pivot, the first crushing roller of the outside fixedly connected with of first pivot, one side fixed mounting of first fixed block has first motor, the output shaft of first motor passes through shaft coupling and first pivot fixed connection, the beneficial effects of the utility model are that: through rotatory carousel, can drive the lead screw and rotate, the mounting bracket receives the effect of screw force and can remove, and then can change the interval between the crushing roller, and the coal particle size after the breakage changes, and the toper piece top is in the upper end of crushing roller, and the toper piece slides on the crushing roller surface when the crushing roller is rotatory, can scrape the adnexed coal on crushing roller surface, reduces the remaining of coal.

Description

Reducing mechanism is used in coal chemical examination

Technical Field

The utility model relates to a coal chemical examination equipment technical field specifically is a reducing mechanism is used in coal chemical examination.

Background

When the coal test is carried out, the sampled large coal blocks need to be crushed so as to facilitate the subsequent test. When the existing crushing device for coal assay is used, the size of crushed particles is difficult to adjust, and different types of assay requirements are difficult to meet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reducing mechanism is used in coal chemical examination to it is difficult to adjust to solve broken particle size, is difficult to satisfy the problem of the chemical examination demand of different grade type.

In order to achieve the above object, the utility model provides a following technical scheme: a crushing device for coal chemical examination comprises a supporting rod, wherein a connecting block is arranged at the upper end of the supporting rod, a supporting leg is fixedly arranged at the lower end of the connecting block, a first fixing block is fixedly connected to the upper end of the supporting rod, a first rotating shaft is rotatably connected to the inner side of the upper end of the first fixing block, a first crushing roller is fixedly connected to the outer side of the first rotating shaft, a first motor is fixedly arranged at one side of the first fixing block, an output shaft of the first motor is fixedly connected with the first rotating shaft through a coupler, a sliding block is slidably connected to the outer side of the supporting rod, a second fixing block is arranged at the upper end of the sliding block, a second rotating shaft is rotatably connected to the inner side of the upper end of the second fixing block, a second crushing roller is fixedly connected to the outer side of the second rotating shaft, a second motor is fixedly arranged at the side of the second, the utility model discloses a rotary table, including branch, casing, second fixed block, one end fixedly connected with mounting bracket, the upper end fixedly connected with casing of branch, the upper end inboard of casing is provided with the feed inlet, the side fixedly connected with supporting shoe of second fixed block, the one end fixedly connected with mounting bracket of supporting shoe, casing one end inboard is rotated and is connected with the commentaries on classics piece, the one end fixed mounting of commentaries on classics piece has the lead screw, the outside and the mounting bracket threaded connection of lead screw, the other end fixedly connected with transmission shaft of commenta.

Preferably, the inner side of the upper end of the shell and the inner side of the upper end of the mounting rack are both connected with a positioning rod in a sliding mode, an auxiliary block is arranged at the lower end of the positioning rod, a spring is sleeved on the outer side of the positioning rod, and a conical block is fixedly mounted at the lower end of the auxiliary block.

Preferably, the first motor and the second motor are always opposite in rotation direction.

Preferably, the bottom fixed mounting of connecting block has a play flitch, the lower extreme and the landing leg fixed connection of play flitch, the angle of play flitch is the tilt state.

Preferably, the shape of the rotating block presents an inclined I shape, one end of the rotating block is connected with the inner wall of the shell in a sliding mode, and the other end of the rotating block is connected with the outer surface of the shell in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that: this reducing mechanism is used in coal chemical examination:

1. can coal extrude breakage through two crushing rollers that set up, the phenomenon of splashing appears in the casing of setting avoiding when broken, and through rotatory carousel, can drive the lead screw and rotate that the mounting bracket receives the effect of screw force and can remove when the lead screw is rotatory, and then can change the interval between the crushing roller for coal particle size after the breakage changes.

2. The conical block is pushed against the upper end of the crushing roller, and slides on the surface of the crushing roller when the crushing roller rotates, so that the coal attached to the surface of the crushing roller can be scraped, and the residue of the coal is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a left side view of a second crushing roller and its components of the present invention;

FIG. 3 is a right side view of a first crushing roller and its components of the present invention;

fig. 4 is a schematic structural view of the mounting frame and its components of the present invention;

fig. 5 is a schematic structural diagram of the conical block and its components of the present invention.

In the figure: 10. a strut; 11. connecting blocks; 12. a support leg; 13. a first fixed block; 14. a first rotating shaft; 15. a first crushing roller; 16. a first motor; 17. a slider; 18. a second fixed block; 19. a second rotating shaft; 20. a second crushing roller; 21. a second motor; 22. a housing; 23. a feed inlet; 24. a support block; 25. a mounting frame; 26. positioning a rod; 27. an auxiliary block; 28. a spring; 29. a conical block; 30. rotating the block; 31. a screw rod; 32. a drive shaft; 33. a turntable; 34. and a discharging plate.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a crushing device for coal assay comprises support rods 10, wherein connecting blocks 11 are arranged at the upper ends of the support rods 10, two support rods 10 are arranged, the connecting blocks 11 are fixed at the two ends of the two support rods 10, supporting legs 12 are fixedly arranged at the lower ends of the connecting blocks 11, the supporting legs 12 play a supporting role so that the support rods 10 are far away from the ground, a first fixing block 13 is fixedly connected at the upper end of each support rod 10, a first rotating shaft 14 is rotatably connected to the inner side of the upper end of each first fixing block 13, the first rotating shaft 14 can only rotate but can not change other positions, a first crushing roller 15 is fixedly connected to the outer side of each first rotating shaft 14, the first crushing roller 15 can rotate along with the first rotating shaft 14 when the first rotating shaft 14 rotates, a first motor 16 is fixedly arranged at one side of each first fixing block 13, an output shaft of the first motor 16 is fixedly connected with the first rotating shaft 14 through a coupler, and the, the outer side of the supporting rod 10 is connected with a sliding block 17 in a sliding manner, the sliding block 17 can move left and right along the supporting rod 10, the upper end of the sliding block 17 is provided with a second fixed block 18, the sliding block 17 can drive the second fixed block 18 to move when moving, the inner side of the upper end of the second fixed block 18 is connected with a second rotating shaft 19 in a rotating manner, the second rotating shaft 19 is relative to the second fixed block 18 and can only rotate but cannot move in other manners, the outer side of the second rotating shaft 19 is fixedly connected with a second crushing roller 20, the second rotating shaft 19 can drive the second crushing roller 20 to rotate when rotating, the side surface of the second fixed block 18 is fixedly provided with a second motor 21, the output shaft of the second motor 21 is fixedly connected with the second rotating shaft 19 through a coupler, the second rotating shaft 19 can be driven to rotate when the second motor 21 rotates, the rotating directions of the first motor 16 and the second motor 21 are always opposite, and the rotating directions of the first crushing roller 15 and, the upper end of the supporting rod 10 is fixedly connected with a shell 22, the inner side of the upper end of the shell 22 is provided with a feeding hole 23, the feeding hole 23 is used for adding coal, the surfaces of the first crushing roller 15 and the second crushing roller 20 are provided with limiting bulges to avoid the sliding of the coal during crushing, the side surface of the second fixing block 18 is fixedly connected with a supporting block 24, one end of the supporting block 24 is fixedly connected with an installation frame 25, the inner side of the upper end of the shell 22 and the inner side of the upper end of the installation frame 25 are both slidably connected with a positioning rod 26, the positioning rod 26 can move in the vertical direction, the lower end of the positioning rod 26 is provided with an auxiliary block 27, the outer side of the positioning rod 26 is sleeved with a spring 28, the spring 28 applies downward pressure to the auxiliary block 27 to enable the auxiliary block 27 to move downwards, the lower end of the, the two conical blocks 29 respectively abut against the upper ends of the first crushing roller 15 and the second crushing roller 20, when the first crushing roller 15 and the second crushing roller 20 rotate, the conical blocks 29 can move on the surfaces of the first crushing roller 15 and the second crushing roller 20, coal attached to the surfaces of the first crushing roller and the second crushing roller can be scraped off, and residual coal is reduced, the inner side of one end of the shell 22 is rotatably connected with the rotating block 30, the shape of the rotating block 30 presents an inclined I shape, one end of the rotating block 30 is slidably connected with the inner wall of the shell 22, the other end of the rotating block 30 is slidably connected with the outer surface of the shell 22, the rotating block 30 can only rotate but cannot perform displacement in other modes, one end of the rotating block 30 is fixedly provided with a lead screw 31, the outer side of the lead screw 31 is in threaded connection with the mounting frame 25, so that the distance between the first crushing roller 15 and the second crushing roller 20 can be changed, the size of crushed particles of, the one end fixed mounting of transmission shaft 32 has carousel 33, rotatory carousel 33 passes through the effect of transmission shaft 32, can drive commentaries on classics piece 30 and rotate, can drive lead screw 31 when changeing piece 30 and rotate, the bottom fixed mounting of connecting block 11 has ejection of compact board 34, the lower extreme and the landing leg 12 fixed connection of ejection of compact board 34, the angle that goes out ejection of compact board 34 is the tilt state, coal granule after the breakage can fall the surface of ejection of compact board 34, the right-hand member that reachs ejection of compact board 34 through the effect of gravity.

The utility model discloses when concrete implementation: first, the first motor 16 and the second motor 21 are started, the first motor 16 can drive the first rotating shaft 14 to rotate when rotating, the first crushing roller 15 can rotate along with the first rotating shaft 14 when rotating, the second motor 21 can drive the second rotating shaft 19 to rotate when rotating, the second rotating shaft 19 can drive the second crushing roller 20 to rotate when rotating, the first crushing roller 15 rotates anticlockwise, the second crushing roller 20 rotates clockwise, coal is put between the first crushing roller and the second crushing roller, the coal is crushed by the first crushing roller 15 and the second crushing roller 20, the crushed coal falls on the surface of the discharge plate 34 and reaches the right end of the discharge plate 34 under the action of gravity, the spring 28 applies downward pressure to the auxiliary block 27 to enable the auxiliary block 27 to move downward, the auxiliary block 27 can drive the conical block 29 to displace together when moving, the conical block 29 respectively supports against the upper ends of the first crushing roller 15 and the second crushing roller 20, conical block 29 can remove on the two surfaces when first crushing roller 15 and second crushing roller 20 are rotatory, can scrape the adnexed coal in two surfaces, if need reduce the interval between first crushing roller 15 and the second crushing roller 20, anticlockwise rotation carousel 33, carousel 33 passes through the effect of transmission shaft 32, can drive commentaries on classics piece 30 and rotate, can drive lead screw 31 when changeing piece 30 is rotatory and rotate, lead screw 31 receives the effect of screw thread power and can move right when rotatory, mounting bracket 25 is when removing, can drive second fixed block 18 and remove, then the interval between second crushing roller 20 and the first crushing roller 15 is dwindled, make the granule after the coal is broken reduce.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reducing mechanism is used in coal assay, includes branch (10), its characterized in that: the upper end of the supporting rod (10) is provided with a connecting block (11), the lower end of the connecting block (11) is fixedly provided with a supporting leg (12), the upper end of the supporting rod (10) is fixedly connected with a first fixing block (13), the upper end inner side of the first fixing block (13) is rotatably connected with a first rotating shaft (14), the outer side of the first rotating shaft (14) is fixedly connected with a first crushing roller (15), one side of the first fixing block (13) is fixedly provided with a first motor (16), the output shaft of the first motor (16) is fixedly connected with the first rotating shaft (14) through a shaft coupling, the outer side of the supporting rod (10) is slidably connected with a sliding block (17), the upper end of the sliding block (17) is provided with a second fixing block (18), the upper end inner side of the second fixing block (18) is rotatably connected with a second rotating shaft (19), the outer side of the second rotating shaft (19) is, a second motor (21) is fixedly arranged on the side surface of the second fixed block (18), an output shaft of the second motor (21) is fixedly connected with a second rotating shaft (19) through a coupler, the upper end of the supporting rod (10) is fixedly connected with a shell (22), the inner side of the upper end of the shell (22) is provided with a feeding hole (23), a supporting block (24) is fixedly connected to the side surface of the second fixing block (18), one end of the supporting block (24) is fixedly connected with an installation frame (25), a rotating block (30) is rotatably connected to the inner side of one end of the shell (22), a screw rod (31) is fixedly installed at one end of the rotating block (30), the outside and mounting bracket (25) threaded connection of lead screw (31), the other end fixedly connected with transmission shaft (32) of commentaries on classics piece (30), the one end fixed mounting of transmission shaft (32) has carousel (33).

2. The coal testing pulverizing apparatus of claim 1, wherein: the utility model discloses a positioning device, including casing (22), spring (28) have, the equal sliding connection in upper end inboard of casing (22) and the upper end inboard of mounting bracket (25) has locating lever (26), the lower extreme of locating lever (26) is provided with supplementary piece (27), spring (28) have been cup jointed in the outside of locating lever (26), the lower extreme fixed mounting of supplementary piece (27) has toper piece (29).

3. The coal testing pulverizing apparatus of claim 1, wherein: the rotating directions of the first motor (16) and the second motor (21) are always opposite.

4. The coal testing pulverizing apparatus of claim 1, wherein: the bottom fixed mounting of connecting block (11) has ejection of compact board (34), the lower extreme and landing leg (12) fixed connection of ejection of compact board (34), the angle of ejection of compact board (34) is the tilt state.

5. The coal testing pulverizing apparatus of claim 1, wherein: the shape of the rotating block (30) presents an inclined I shape, one end of the rotating block (30) is connected with the inner wall of the shell (22) in a sliding mode, and the other end of the rotating block (30) is connected with the outer surface of the shell (22) in a sliding mode.