CN218189811U

CN218189811U - Coal detects uses reducing mechanism

Info

Publication number: CN218189811U
Application number: CN202222104645.2U
Authority: CN
Inventors: 任国栋; 王强
Original assignee: Shandong Yuneng Control Engineering Co ltd
Current assignee: Shandong Yuneng Control Engineering Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2023-01-03
Anticipated expiration: 2032-08-10

Abstract

The application relates to the technical field of coal detection, in particular to a crushing device for coal detection, which comprises a crushing box, a discharge valve, a pre-crushing mechanism and a crushing mechanism, wherein the discharge valve is arranged on one side, close to the ground, of the crushing box; the pre-crushing mechanism comprises two crushed blocks and a driving assembly, the two crushed blocks are connected to the crushing box in a sliding mode, the driving assembly is arranged on the crushing box, and the driving assembly is connected with the two crushed blocks and drives the two crushed blocks to approach each other; crushing mechanism sets up on the broken case, crushing mechanism is located grind one side that the piece is close to ground, crushing mechanism is right grind the pre-broken coal of piece and smash. This application has realized the pre-crushing of coal through the pre-crushing mechanism that sets up, and great coal is dispeled through the first breakage to coal, then smashes for the crushing degree of coal improves.

Description

Coal detects uses reducing mechanism

Technical Field

The application relates to the technical field of coal detection, in particular to a crushing device for coal detection.

Background

At present, coal needs to be detected after being cleaned, more samples need to be selected during detection, a plurality of samples need to be crushed, residual aqueous solution on the samples needs to be dried after crushing, and the samples can be detected after drying.

Through retrieval, chinese patent with application number CN201921259819.4 discloses a grinding and crushing device for coal detection, which comprises a crusher shell, wherein the top of the left end of the crusher shell is provided with a feed inlet, the bottom end of the feed inlet is provided with a protective box, the bottom end of the protective box is provided with a first conveyor belt, the upper end of the middle part of the first conveyor belt is provided with a crushing barrel, and the central hole of the crushing barrel is in interference fit with a rotating shaft; when the coal crusher is used, coal is placed in the protective box through the feeding hole, the crushing barrel rotates to crush the coal, and then the coal is conveyed out of the protective box through the conveying belt.

In the process of realizing the application, the inventor finds that the technology at least has the following problem, and adopts the once crushing process to crush the coal, so that the coal is often crushed incompletely, the subsequent detection of the raw coal materials is not facilitated, and the detection precision is further influenced.

SUMMERY OF THE UTILITY MODEL

In order to improve the crushing degree of coal, improve follow-up detection precision, this application provides a coal detects uses reducing mechanism.

The application provides a coal detects uses reducing mechanism adopts following technical scheme:

a crushing device for coal detection comprises a crushing box, a discharge valve, a pre-crushing mechanism and a crushing mechanism, wherein the discharge valve is arranged on one side of the crushing box, which is close to the ground; the pre-crushing mechanism comprises two crushing blocks and a driving assembly, the two crushing blocks are connected on the crushing box in a sliding mode, the driving assembly is arranged on the crushing box, and the driving assembly is connected with the two crushing blocks and drives the two crushing blocks to approach each other; crushing mechanism sets up on the broken case, crushing mechanism is located grind one side that the piece is close to ground, crushing mechanism is right grind the pre-broken coal of piece and smash.

By adopting the technical scheme, firstly, coal is placed in a crushing box, then the driving assembly drives the crushing blocks to approach each other, the crushing blocks crush and extrude the larger coal passing through, and the coal falls on a crushing mechanism for crushing; the pre-crushing mechanism realizes the pre-crushing of coal, large coal is removed by crushing the coal for the first time, and then the coal is crushed, so that the crushing degree of the coal is improved, and the subsequent coal detection precision is improved; meanwhile, pre-crushing is carried out, so that the subsequent crushing efficiency is improved.

Optionally, the driving assembly includes a driving motor, a rack and a first gear, two driving motors are arranged on the inner wall of the crushing box, and the racks are arranged on the side walls of the two crushing blocks, which are away from each other; the first gear key is connected to the driving motor, and the first gear is meshed with the rack.

According to the technical scheme, firstly, coal is placed in a crushing box, then a driving motor is started, the driving motor drives a first gear to rotate, the first gear drives a rack to slide, the racks on two sides respectively drive two crushing blocks to approach each other, the two crushing blocks crush the coal, and the crushed coal falls on a crushing mechanism to be crushed; the driving component is simple in structure and convenient to operate.

Optionally, two sides of the crushing block, which are away from each other, are provided with two racks, the two racks on the same side are arranged in opposite directions, the first gear is an incomplete gear, the first gear rotates between the two racks on the same side, and one of the racks is engaged.

Through adopting above-mentioned technical scheme, at first place coal in broken incasement, then start driving motor, driving motor drives first gear revolve, and first gear drive rack slides, and the rack of both sides drives two respectively and pulverizes the piece and be close to each other, and two are ground the piece and are smashed coal, and broken coal falls on rubbing crusher and constructs the department and smash. Then the first gear is meshed with the other rack on the same grinding block and drives the rack to slide, the two grinding blocks are far away from each other, and the two grinding blocks do reciprocating motion; through the two racks and the incomplete gear, the probability that the driving motor frequently changes the rotating direction is reduced, and the service life of the driving motor is prolonged.

Optionally, the crushing mechanism comprises a crushing roller, a crushing ring and a crushing assembly, two crushing rollers are rotatably connected in the crushing box, the axes of the two crushing rollers are on the same horizontal plane and the rotation directions are opposite, and the two crushing rollers are positioned on one side of the crushing block close to the ground; the crushing rollers are respectively provided with a plurality of crushing rings, and the crushing rings on the two crushing rollers are arranged in a staggered manner; the crushing assembly is arranged on the crushing box and is connected with the two crushing rollers and drives the two crushing rollers to rotate.

By adopting the technical scheme, the primarily crushed coal falls on the crushing rollers, then the crushing rollers are driven to rotate by the crushing assembly, the crushing rollers drive the crushing rings to rotate, and the two crushing rollers rotate in opposite directions, so that the coal is extruded and crushed; the crushing mechanism simple structure that sets up is cuted through the extrusion of two crushing rolls simultaneously for the crushing degree of coal is better.

Optionally, the crushing assembly comprises a crushing motor, a second gear and a driven gear, two driven gears are rotatably connected to the crushing box, and the two driven gears are respectively connected to the two crushing rollers; the crushing motor is arranged on the crushing box, the second gear is in key connection with an output shaft of the crushing motor, and the two driven gears are meshed with the second gear.

By adopting the technical scheme, the primarily crushed coal falls on the crushing rollers, the crushing motor is started, the crushing motor drives the driving gear to rotate, the driving gear drives the two driven gears to rotate, the two driven gears respectively drive the two crushing rollers to rotate, and the two crushing rollers drive the crushing ring to crush the coal; the rotation of crushing roller has been realized through the broken subassembly that sets up, and broken subassembly simple structure simultaneously, drive of two crushing rollers sharing, on the one hand, the synchronous rate preferred, on the other hand, the loss that can reduce the energy reduces the space and occupies.

Optionally, be provided with the protection component on the broken case, the protection component includes the guard plate, be provided with two on the broken case the guard plate, two the guard plate is located two respectively the crushing roller is close to grind fragment one side, two the guard plate respectively with two on the crushing roller crushing ring butt.

By adopting the technical scheme, the primarily crushed coal falls on the crushing rollers, the crushing motor is started, the crushing motor drives the driving gear to rotate, the driving gear drives the two driven gears to rotate, the two driven gears respectively drive the two crushing rollers to rotate, the two crushing rollers drive the crushing ring to crush the coal, the coal jumps along with the extrusion of the two crushing rollers on the coal, and the jumped coal is struck on the protection plate and then falls between the two crushing rollers; through the protection component who sets up, can reduce the coal that splashes and roll to the both sides that two crushing rollers kept away from each other, and then make crushing effect can keep.

Optionally, the guard plate rotates to set up on the lateral wall of broken case, two the guard plate is close to the one end of crushing roller is towards the direction slope that is close to each other, protection component still includes the torsional spring, the torsional spring sets up broken case and with the guard plate is connected, the torsional spring drives the guard plate supports tightly on the broken ring.

Through adopting above-mentioned technical scheme, when using this equipment to carry out the breakage for a long time, the guard plate rubs with the broken ring for a long time for there is the clearance between guard plate and the broken ring, and the torsional spring drives the guard plate and supports tightly on the broken ring, and then makes the safeguard effect of guard plate can keep.

Optionally, the protection plate is fixedly connected with a plurality of cleaning plates, and the cleaning plates are staggered with the crushing rings and abut against the crushing rollers.

Through adopting above-mentioned technical scheme, the cleaning plate on the torsional spring drive guard plate clears up the crushing roller between the broken ring, and less coal joint is in the clearance between two broken rings, and then reduces the influence to crushing effect for crushing effect can keep.

To sum up, this application includes following beneficial technological effect:

1. the pre-crushing mechanism is arranged, so that the pre-crushing of coal is realized, and the coal is crushed for the first time to remove larger coal and then crushed, so that the crushing degree of the coal is improved, and the subsequent coal detection precision is improved; meanwhile, pre-crushing is carried out, so that the subsequent crushing efficiency is improved;

2. through the arrangement of the protection assembly, the phenomenon that splashed coal rolls to two sides, far away from each other, of the two crushing rollers can be reduced, and the crushing effect can be further kept;

3. the torsional spring drives the cleaning plate on the guard plate and clears up the crushing roller between the crushing ring, and less coal joint is in the clearance between two crushing rings, and then reduces the influence to crushing effect for crushing effect can keep.

Drawings

FIG. 1 is a schematic sectional view of a coal detecting pulverizer according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a pre-crushing mechanism in an embodiment of the present application;

FIG. 3 is a schematic view of the embodiment of the crushing mechanism;

fig. 4 is a schematic structural diagram of a shield assembly in an embodiment of the present application.

Reference numerals are as follows: 100. a crushing box; 200. a discharge valve; 300. a pre-crushing mechanism; 310. grinding the crushed blocks; 320. a drive assembly; 321. a drive motor; 322. a rack; 323. a first gear; 400. a crushing mechanism; 410. a crushing roller; 420. a crushing ring; 430. a crushing assembly; 431. a crushing motor; 432. a second gear; 433. a driven gear; 500. a guard assembly; 510. a protection plate; 520. a torsion spring; 530. cleaning the board; 600. a guide plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses coal detects uses reducing mechanism.

Referring to fig. 1, the crushing device for coal detection includes a crushing box 100, a pre-crushing mechanism 300 disposed on the crushing box 100 for pre-crushing coal, a crushing mechanism 400 disposed on the crushing box 100 for crushing coal, and a discharge valve 200 disposed on one side of the crushing box 100 close to the ground; coal is placed in the crushing bin 100, and then pre-crushed by the pre-crushing mechanism 300, and then the pre-crushed coal reaches the crushing mechanism 400, and the crushing mechanism 400 crushes the coal and then discharges the crushed coal through the discharge valve 200.

Broken case 100 is placed subaerial, and bleeder valve 200 fixed connection is on broken case 100 is close to the lateral wall on ground, and the one end that broken case 100 is close to is hourglass hopper-shaped, fixedly connected with screen cloth in broken case 100, and the screen cloth is used for slowing down the flow velocity of carbon dust, reduces the raise dust that flows and lead to at the excessive speed.

Referring to fig. 1 and 2, the crushing mechanism includes two crushing blocks 310 slidably connected to the inner wall of the crushing box 100, the two crushing blocks 310 are close to or far away from each other, a guide plate 600 is integrally provided on the crushing box 100, and the guide plate 600 guides coal between the two crushing blocks 310; the crushing box 100 is provided with a driving assembly 320 for driving the two crushed grinding blocks 310 to approach each other, the driving assembly 320 comprises four racks 322, each two of the four racks 322 form a group, two groups of racks 322 are respectively and fixedly connected with the two crushed grinding blocks 310, the two groups of racks 322 are positioned on two side walls of the two crushed grinding blocks 310 which are far away from each other, and teeth of the two racks 322 in each group are arranged oppositely; the crushing box 100 is fixedly connected with two driving motors 321, and the two driving motors 321 are respectively positioned at two sides of the two crushed blocks 310; the output shafts of the two driving motors 321 are in keyed connection with a first gear 323, the first gear 323 is an incomplete gear, the first gear 323 is located between the two racks 322, the first gear 323 is meshed with one of the racks 322 and can be meshed with the other rack 322, and the first gear 323 cannot be meshed with the two racks 322 simultaneously; the driving motor 321 is started, the driving motor 321 drives the first gear 323 to rotate, the first gear 323 drives one of the racks 322 to slide, the rack 322 drives the ground block 310 to slide, and when the first gear 323 is meshed with the other rack 322, the ground block 310 moves reversely along with the rack 322.

Referring to FIGS. 1 and 3, the crushing mechanism 400 includes two crushing rollers 410 rotatably connected to the crushing box 100, the axes of the crushing rollers 410 being parallel to the axis of the crushed block 310, and the crushing rollers 410 being located on the side of the crushed block 310 adjacent to the ground; the crushing roller 410 is fixedly connected with a plurality of crushing rings 420, the crushing rings 420 are arranged at equal intervals along the length direction of the crushing roller 410, and the crushing rings 420 on the two crushing rollers 410 are arranged in a crossing manner. The crushing box 100 is provided with a crushing assembly 430 connected with the crushing roller 410, the crushing assembly 430 comprises a crushing motor 431 fixedly connected to the outer side wall of the crushing box 100, an output shaft of the crushing motor 431 is in key connection with a second gear 432, the outer side wall of the crushing box 100 is in rotary connection with two driven gears 433, and the two driven gears 433 are respectively positioned at two sides of the second gear 432 and meshed with the second gear 432; the two crushing rollers 410 are respectively connected with two driven gears 433; the crushing motor 431 is started, the crushing motor 431 drives the second gear 432 to rotate, the second gear 432 drives the two driven gears 433 to rotate, and the driven gears 433 drive the crushing roller 410 to rotate.

Referring to fig. 1 and 4, the crushing box 100 is provided with a protection assembly 500, the protection assembly 500 includes two protection plates 510 rotatably connected to the crushing box 100, the two protection plates 510 are both located between the crushing blocks 310 and the crushing roller 410, the two protection plates 510 are both obliquely arranged, one ends of the two protection plates 510 close to the crushing roller 410 are close to each other, and one ends of the two protection plates 510 close to the crushing roller 410 are abutted to the crushing rings 420 on the crushing roller 410; the rotating ends of the two protection plates 510 are fixedly connected with torsion springs 520, the torsion springs 520 are connected with the crushing box 100 and drive the protection plates 510 to abut against the crushing ring 420; one ends of the two protection plates 510 close to the crushing roller 410 are fixedly connected with a plurality of cleaning plates 530, the cleaning plates 530 are arranged at equal intervals along the length direction of the protection plates 510, and the cleaning plates 530 are abutted against the crushing roller 410 and relatively slide.

The implementation principle of the coal detection crushing device is as follows: coal is placed in the crushing box 100, the coal falls between two crushed blocks 310 along the guide plate 600, the driving motor 321 is started simultaneously, the driving motor 321 drives the first gear 323 to rotate, the first gear 323 drives one of the racks 322 to slide, the racks 322 on two sides drive the two crushed blocks 310 to be close to each other and crush the coal, the crushed coal falls between the two crushing rollers 410, the crushing motor 431 is started, the crushing motor 431 drives the second gear 432 to rotate, the second gear 432 drives the two driven gears 433 to rotate, the driven gears 433 drive the two crushing rollers 410 to rotate, the crushing rollers 410 crush the coal, part of the coal is subjected to extrusion force and shearing force to jump, the coal splashes onto the protection plate 510, the protection plate 510 blocks and guides the coal, and the coal falls between the two crushing rollers 410 again to be crushed.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The crushing device for coal detection is characterized by comprising a crushing box (100), a discharge valve (200), a pre-crushing mechanism (300) and a crushing mechanism (400), wherein the discharge valve (200) is arranged on one side, close to the ground, of the crushing box (100); the pre-crushing mechanism (300) comprises two crushing blocks (310) and a driving assembly (320), the two crushing blocks (310) are connected on the crushing box (100) in a sliding mode, the driving assembly (320) is arranged on the crushing box (100), and the driving assembly (320) is connected with the two crushing blocks (310) and drives the two crushing blocks (310) to approach each other; crushing mechanism (400) set up on broken case (100), crushing mechanism (400) are located grind one side that fragment (310) is close to ground, crushing mechanism (400) are right grind the coal that fragment (310) is broken in advance.

2. The coal detection crushing device according to claim 1, wherein the driving assembly (320) comprises a driving motor (321), a rack (322) and a first gear (323), two driving motors (321) are arranged on the inner wall of the crushing box (100), and the rack (322) is arranged on the side wall of each of the two crushed coal blocks (310) which face away from each other; the first gear (323) is connected to the driving motor (321) in a key mode, and the first gear (323) is meshed with the rack (322).

3. The coal detecting crushing device according to claim 2, characterized in that two sides of the crushing block (310) which are away from each other are provided with two gear racks (322), the two gear racks (322) on the same side are arranged oppositely, the first gear (323) is an incomplete gear, the first gear (323) rotates between the two gear racks (322) on the same side, and one of the gear racks (322) is meshed.

4. The coal detection crushing device according to claim 1, wherein the crushing mechanism (400) comprises a crushing roller (410), a crushing ring (420) and a crushing assembly (430), two crushing rollers (410) are rotatably connected in the crushing box (100), the axes of the two crushing rollers (410) are on the same horizontal plane, and the rotation directions of the two crushing rollers are opposite, and the two crushing rollers (410) are positioned on one side of the ground grinding block (310) close to the ground; a plurality of crushing rings (420) are arranged on the crushing rollers (410), and the crushing rings (420) on the two crushing rollers (410) are arranged in a staggered manner; the crushing assembly (430) is arranged on the crushing box (100), and the crushing assembly (430) is connected with the two crushing rollers (410) and drives the two crushing rollers (410) to rotate.

5. The coal detection crushing device according to claim 4, wherein the crushing assembly (430) comprises a crushing motor (431), a second gear (432) and a driven gear (433), two driven gears (433) are rotatably connected to the crushing box (100), and the two driven gears (433) are respectively connected with the two crushing rollers (410); the crushing motor (431) is arranged on the crushing box (100), the second gear (432) is connected to an output shaft of the crushing motor (431) in a key mode, and the two driven gears (433) are meshed with the second gear (432).

6. The coal detecting crushing device according to claim 4, wherein a protection assembly (500) is arranged on the crushing box (100), the protection assembly (500) comprises a protection plate (510), two protection plates (510) are arranged on the crushing box (100), the two protection plates (510) are respectively arranged on one side, close to the crushing block (310), of the two crushing rollers (410), and the two protection plates (510) are respectively abutted to the crushing rings (420) on the two crushing rollers (410).

7. The coal detecting and crushing device as recited in claim 6, wherein the protection plates (510) are rotatably disposed on the side walls of the crushing box (100), one ends of the two protection plates (510) close to the crushing roller (410) are inclined towards the direction of approaching each other, the protection assembly (500) further comprises a torsion spring (520), the torsion spring (520) is disposed on the crushing box (100) and connected with the protection plates (510), and the torsion spring (520) drives the protection plates (510) to abut against the crushing ring (420).

8. The coal detecting pulverizer as claimed in claim 6, wherein a plurality of cleaning plates (530) are fixedly connected to the guard plate (510), and the cleaning plates (530) are disposed alternately with the crushing ring (420) and abut against the crushing roller (410).