CN213855572U

CN213855572U - Coal mine screening equipment for coal mining

Info

Publication number: CN213855572U
Application number: CN202022329693.2U
Authority: CN
Inventors: 张树东
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-08-03
Anticipated expiration: 2030-10-19

Abstract

The utility model discloses a coal mine screening device for coal mining, which belongs to the field of coal mine screening for coal mining and comprises a bottom plate, a sleeve is fixedly connected on one side of a supporting plate, the supporting plate is fixedly connected on two sides of the sleeve, a motor II is fixedly connected on the upper end of the supporting plate, a rotating rod II is rotatably connected on the supporting plate, a plurality of pinions are connected on the rotating rod II, a toothed ring is meshed with the pinions, a supporting rod is fixedly connected on the inner wall of the toothed ring, the supporting rod is fixedly connected on a screen cylinder I, the right side inner wall of the first screen cylinder is fixedly connected with the second screen cylinder, the right side inner wall of the second screen cylinder is fixedly connected with the third screen cylinder, the upper end of the bottom plate is fixedly connected with the first motor, an output shaft of the first motor is fixedly connected with a rotating rod, the outer wall of the rotating rod is fixedly connected with blades, the right side outer walls of the first screen cylinder and the second screen cylinder are fixedly connected with a baffle, and the outer wall of the baffle is connected with the outer wall of the sleeve in a sliding manner; the utility model discloses can realize effectual multistage screening, the low security performance of noise is higher.

Description

Coal mine screening equipment for coal mining

Technical Field

The utility model relates to a colliery screening field that coal mining adopted specifically is a colliery screening installation that coal mining adopted.

Background

Coal mines are reasonable spaces excavated by humans when excavating geological formations rich in coal and generally include roadways, wells, and mining surfaces, among others. Coal is the most predominant solid fuel, one of the flammable organic rocks. The method is characterized in that luxuriant plants growing in a certain geological age are gradually stacked into a thick layer in a proper geological environment, buried in water bottom or silt and subjected to natural coalification in the long geological age, coal mines are important energy sources in China, the coal mines need to be mined by special equipment, and the mined coal mines need to be screened.

However, the upper part of the screening machine body of the coal mine used at present is usually of an open structure, a large amount of dust and other harmful substances can be generated in the screening process, and during screening, a screening machine is frequently in a shaking type, so that the dust in the coal mine can be shaken and flown up in a large amount, and the environment and human bodies are harmed. Most of open screening is carried out outdoors in an open environment, a large amount of dust can enter coal, the purity of the coal is reduced, and the coal is flammable, explosive and easy to cause fire. The existing screen rotating device also has the problem of high noise, so that the working environment is poor. The screening effect of the existing device is poor, the efficiency is low, the coal can not be classified quickly and effectively, and the classification effect is also poor.

Therefore, the utility model provides a colliery screening installation that coal mining adopted to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a colliery screening installation that coal mining adopted to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a coal mine screening device for coal mining comprises a bottom plate, wherein a supporting plate is fixedly connected to the upper end face of the bottom plate, a sleeve is fixedly connected to one side of the supporting plate, the supporting plate is fixedly connected to two sides of the sleeve, a motor II is fixedly connected to the upper end of the supporting plate on one side of the sleeve, a rotating rod II is rotatably connected to the supporting plate, a plurality of small gears are fixedly connected to the rotating rod II, a gear ring is rotated by the sleeve and meshed with the small gears, the motor II is rotatably connected with the rotating rod II through a transmission mechanism, a supporting rod is fixedly connected to the inner wall of the gear ring and fixedly connected to the outer walls of a screen cylinder I, a screen cylinder II and a screen cylinder III, the right inner wall of the screen cylinder II is fixedly connected to the screen cylinder III, a motor I is fixedly connected to the upper end of the bottom plate, and an output shaft of the motor I is fixedly connected to the rotating rod, the outer wall of the rotating rod is fixedly connected with a paddle, the peripheral outer wall of the paddle is in clearance fit with the inner walls of the first cylinder, the second screen cylinder and the third screen cylinder respectively, the right outer walls of the first cylinder and the second screen cylinder are fixedly connected with a baffle, and the outer wall of the baffle is connected to the outer wall of the sleeve in a sliding mode.

As a further aspect of the present invention: the diameter of a sieve section of thick bamboo first is greater than the diameter of a sieve section of thick bamboo second, the diameter of a sieve section of thick bamboo second is greater than the diameter of a sieve section of thick bamboo third, set up the sieve mesh on a sieve section of thick bamboo first, a sieve section of thick bamboo second and a sieve section of thick bamboo third and the diameter of the sieve mesh of a sieve section of thick bamboo first is greater than a sieve section of thick bamboo of a sieve section of thick bamboo second, and the diameter of the sieve mesh of a sieve section of thick bamboo second is greater than the sieve mesh diameter of a sieve section of thick bamboo third. And realizing multi-stage classification screening.

As a further aspect of the present invention: the port of the third screen cylinder outside the sleeve is communicated with a feed inlet, the opening of the feed inlet is inclined upwards, and the port of the first screen cylinder outside the sleeve is communicated with the sleeve. The feed inlet provides the function of feeding, and the discharge gate is seen off the biggest material.

As a further aspect of the present invention: the lower end of the sleeve is communicated with a plurality of second discharge ports, and the discharge ports are divided into three parts by baffles, wherein the three parts comprise the lower end part of the first screen cylinder, the lower end part of the second screen cylinder and the lower end part of the third screen cylinder. And (4) classifying and collecting the classified and screened coal.

As a further aspect of the present invention: the diameter of the paddle in the first screen cylinder is larger than that in the second screen cylinder and that in the second screen cylinder is larger than that in the third screen cylinder, and the paddle is a continuous uninterrupted paddle in the first screen cylinder, the second screen cylinder and the third screen cylinder. Ensuring the screening to be sufficient.

As a further aspect of the present invention: the gear ring and the pinions are provided with a plurality of gears, each gear ring is matched with one pinion, and each pinion is fixedly connected to the second rotating rod. Realize a motor and rotate a plurality of modules, synchronous rotation screening effect is better, reduces higher level and just leads to the not enough possibility of screening of subordinate not screening, and synchronous drive also saves the cost.

As a further aspect of the present invention: the shape of the gear ring in the sleeve is T-shaped. The effect of limiting the gear ring is realized.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that: the device wholly adopts two motors just can realize multistage classification screening, and is efficient use cost is low. Through the paddle pay-off, evenly prevent to pile up and lead to categorised incomplete, the rotation of a rethread multistage sieve section of thick bamboo just can realize piling up the screening, can effectually classify the screening, and rethread baffle separates a plurality of discharge gates of box and collects the possibility that reduces secondary and mix the pollution. The rotary screening of the screen drum and the smooth feeding movement of the blades are more calm and have low noise compared with the traditional method. The possibility of dust pollution and fire pollution is reduced through the sleeve closed screening, and the possibility of reducing dust pollution of workers is also protected.

Drawings

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

FIG. 2 is a schematic structural view of the interior of the middle sleeve according to the present invention;

FIG. 3 is a schematic structural diagram of A of the present invention;

fig. 4 is a schematic structural view of the lower end of the middle sleeve of the present invention.

In the figure: 1-bottom plate, 2-supporting plate, 3-motor I, 4-rotating rod, 5-sleeve, 6-toothed ring, 7-rotating rod II, 8-pinion, 9-feeding hole, 10-discharging hole I, 11-motor II, 12-screen cylinder I, 13-screen hole, 14-paddle, 15-discharging hole II, 16-supporting rod, 17-screen cylinder II, 18-screen cylinder III, and 19-baffle.

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 to 4, in an embodiment of the present invention, a coal mine screening apparatus for coal mining includes a bottom plate 1, a supporting plate 2 fixedly connected to an upper end surface of the bottom plate 1, a sleeve 5 fixedly connected to one side of the supporting plate 2, the supporting plate 2 fixedly connected to both sides of the sleeve 5, a motor two 11 fixedly connected to an upper end of the supporting plate 2 at one side of the sleeve 5, a rotating rod two 7 rotatably connected to the supporting plate 2, a plurality of pinions 8 fixedly connected to the rotating rod two 7, a toothed ring 6 rotated by the sleeve 5, the toothed ring 6 engaged with the pinions 8, a motor two 11 rotatably connected to the rotating rod two 7 through a transmission mechanism, a supporting rod 16 fixedly connected to an inner wall of the toothed ring 6, a supporting rod 16 fixedly connected to outer walls of a screen cylinder one 12, a screen cylinder two 17 and a screen cylinder three 18, a right inner wall of the screen cylinder one 12 is fixedly connected to a screen cylinder two 17, a right inner wall of the screen cylinder two 17 is fixedly connected to a screen cylinder three 18, and a motor one 3 is fixedly connected to an upper end surface of the bottom plate 1, an output shaft of the motor I3 is fixedly connected with a rotating rod 4, the outer wall of the rotating rod 4 is fixedly connected with a paddle 14, the peripheral outer wall of the paddle 14 is in clearance fit with the inner walls of the first cylinder 12, the second cylinder 17 and the third cylinder 18, the right outer wall of the first cylinder 12 and the right outer wall of the second cylinder 17 are fixedly connected with a baffle 19, and the outer wall of the baffle 19 is connected to the outer wall of the sleeve 5 in a sliding mode.

The diameter of the first screen cylinder 12 is larger than that of the second screen cylinder 17, the diameter of the second screen cylinder 17 is larger than that of the third screen cylinder 18, the first screen cylinder 12, the second screen cylinder 17 and the third screen cylinder 18 are provided with screen holes 13, the diameter of the screen holes 13 of the first screen cylinder 12 is larger than that of the second screen cylinder 17, and the diameter of the screen holes 13 of the second screen cylinder 17 is larger than that of the screen holes 13 of the third screen cylinder 18. Realizing multi-stage classification screening; the port of the third screen cylinder 18 outside the sleeve 5 is communicated with a feed port 9, the opening of the feed port 9 is inclined upwards, and the port of the first screen cylinder 12 outside the sleeve 5 penetrates through the sleeve 5. The feeding port provides a feeding function, and the discharging port sends out the largest material; the lower end of the sleeve 5 is communicated with a plurality of second discharge ports 15, and the discharge ports 15 are divided into three parts by the baffle plates 19, wherein the three parts comprise the lower end part of the first screen cylinder 12, the lower end part of the second screen cylinder 17 and the lower end part of the third screen cylinder 18. Classifying and collecting the classified and screened coal; the diameter of the paddle 14 in the first screen cylinder 12 is larger than that in the second screen cylinder 17, the diameter in the second screen cylinder 17 is larger than that in the third screen cylinder 18, and the paddle 14 is a continuous uninterrupted paddle in the first screen cylinder 12, the second screen cylinder 17 and the third screen cylinder 18. Ensuring the screening to be sufficient; the toothed ring 6 and the pinions 8 are provided in plurality and each toothed ring 6 cooperates with one pinion 8 and each pinion 8 is fixedly connected to the second rotary rod 7. The synchronous rotation screening method has the advantages that one motor rotates a plurality of modules, synchronous rotation screening effect is better, the possibility of insufficient screening caused by the fact that a higher level arrives at a lower level without screening is reduced, and cost is saved due to synchronous transmission; the toothed ring 6 is T-shaped inside the sleeve 5. The function of limiting the toothed ring 6 is realized.

The utility model discloses a theory of operation is: coal is fed into a third screen drum 18 through a feeding hole 9, a first motor 3 drives a rotating rod 4 to rotate, the rotating rod 4 rotates a paddle 14 to rotate, the coal is uniformly fed to a second screen drum 17 from the third screen drum 18 through the paddle 14, the coal is fed to a first screen drum 12 through the second screen drum 17, a second motor 11 rotates a second rotating rod 7, the second rotating rod 7 rotates a pinion 8, the pinion 8 rotates a toothed ring 6, the toothed ring 6 rotates to synchronously rotate the first screen drum 12, the second screen drum 17 and the third screen drum 18 through a supporting rod 16, the coal can fall down from screen holes 13 when the three screen drums rotate, and then falls down from a second discharging hole 15, and the coal falling from the three screen holes 13 is separated and cannot be secondarily mixed together through separation of a baffle 19. The coal is collected through a plurality of second discharge ports 5, and finally the screened coal falls down from the discharge ports 10 to be collected.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a colliery screening installation that coal mining adopted, includes bottom plate (1), its characterized in that: the upper end face of the bottom plate (1) is fixedly connected with a supporting plate (2), one side of the supporting plate (2) is fixedly connected with a sleeve (5), the supporting plate (2) is fixedly connected with two sides of the sleeve (5), the upper end of the supporting plate (2) on one side of the sleeve (5) is fixedly connected with a motor II (11), the supporting plate (2) is rotatably connected with a rotating rod II (7), the rotating rod II (7) is fixedly connected with a plurality of small gears (8), the sleeve (5) rotates a toothed ring (6), the toothed ring (6) is meshed with the small gears (8), the motor II (11) is rotatably connected with the rotating rod II (7) through a transmission mechanism, the inner wall of the toothed ring (6) is fixedly connected with a supporting rod (16), the supporting rod (16) is fixedly connected with the outer walls of a screen cylinder I (12), a screen cylinder II (17) and a screen cylinder III (18), the inner wall of the right side of the screen cylinder I (12) is fixedly connected with a screen cylinder II (17), the right side inner wall fixed connection sieve section of thick bamboo three (18) of sieve section of thick bamboo two (17), the upper end fixed connection motor (3) of bottom plate (1), output shaft fixed connection bull stick (4) of motor (3), outer wall fixed connection paddle (14) of bull stick (4), the outer wall all around of paddle (14) respectively with the inner wall clearance fit of a section of thick bamboo one (12), sieve section of thick bamboo two (17) and sieve section of thick bamboo three (18), the right side outer wall fixed connection baffle (19) of a section of thick bamboo one (12) and sieve section of thick bamboo two (17), the outer wall sliding connection of baffle (19) is at the outer wall of sleeve (5).

2. A coal mine screening apparatus for coal mining as claimed in claim 1, wherein: the diameter of a sieve section of thick bamboo (12) is greater than the diameter of a sieve section of thick bamboo two (17), the diameter of a sieve section of thick bamboo two (17) is greater than the diameter of a sieve section of thick bamboo three (18), the diameter of offering sieve mesh (13) and sieve mesh (13) of a sieve section of thick bamboo one (12) is greater than a sieve section of thick bamboo of a sieve section of thick bamboo two (17) on a sieve section of thick bamboo (12), sieve section of thick bamboo two (17) and sieve section of thick bamboo three (18), and the diameter of sieve mesh (13) of a sieve section of thick bamboo two (17) is greater than sieve mesh (13) diameter of a sieve section of thick bamboo three (18).

3. A coal mine screening apparatus for coal mining as claimed in claim 1, wherein: the port of the third sieve drum (18) on the outer side of the sleeve (5) is communicated with a feed inlet (9), the opening of the feed inlet (9) is inclined upwards, and the port of the first sieve drum (12) on the outer side of the sleeve (5) penetrates through the sleeve (5).

4. A coal mine screening apparatus for coal mining as claimed in claim 1, wherein: the lower end of the sleeve (5) is communicated with a plurality of second discharge ports (15), the second discharge ports (15) are divided into three parts by baffles (19), and the three parts comprise the lower end part of the first screen cylinder (12), the lower end part of the second screen cylinder (17) and the lower end part of the third screen cylinder (18).

5. A coal mine screening apparatus for coal mining as claimed in claim 1, wherein: the diameter of the paddle (14) in the first screen cylinder (12) is larger than that in the second screen cylinder (17) and the diameter in the second screen cylinder (17) is larger than that in the third screen cylinder (18), and the paddle (14) is a continuous uninterrupted paddle in the first screen cylinder (12), the second screen cylinder (17) and the third screen cylinder (18).

6. A coal mine screening apparatus for coal mining as claimed in claim 1, wherein: the gear ring (6) and the pinions (8) are provided with a plurality of gears, each gear ring (6) is matched with one pinion (8), and each pinion (8) is fixedly connected to the second rotating rod (7).

7. A coal mine screening apparatus for coal mining as claimed in claim 1, wherein: the shape of the gear ring (6) in the sleeve (5) is T-shaped.