CN219581048U

CN219581048U - Screening device for coal mining

Info

Publication number: CN219581048U
Application number: CN202320464067.5U
Authority: CN
Inventors: 孙浩; 康凯; 李盘; 赵伟
Original assignee: Anhui Hengyuan Coal Electricity Group Co Ltd
Current assignee: Anhui Hengyuan Coal Electricity Group Co Ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-08-25
Anticipated expiration: 2033-03-13

Abstract

The utility model relates to the technical field of coal mining, in particular to a screening device for coal mining, which comprises a machine body serving as a carrier of the whole device, wherein a screening mechanism for screening coal mines is arranged in the machine body, a discharging mechanism for guiding out the coal mines is arranged at the bottom of the machine body, the screening mechanism comprises a filter plate arranged in the machine body, two connecting blocks a are hinged to four corners at the bottom of the filter plate, two connecting blocks b are fixedly connected to two sides of the inner wall of the machine body, a driving assembly for driving the filter plate to swing left and right is hinged between the connecting blocks b and the connecting blocks a at the similar positions, a material guiding frame is obliquely arranged at one side of the machine body, and crushing leaves for crushing coal ores are arranged at the material guiding frame. According to the utility model, through arranging the screening mechanism, unqualified coal mine stones fall to the material guiding frame, then slide down to the machine body, and the crushing leaves crush the unqualified coal mine stones, so that secondary treatment of the coal mine stones is realized, the subsequent secondary treatment of the coal mine stones is not needed, and the improvement of the working efficiency is facilitated.

Description

Screening device for coal mining

Technical Field

The utility model relates to the technical field of coal mining, in particular to a screening device for coal mining.

Background

Along with the continuous development of society, the range of application of colliery is also more extensive, the colliery that is mined needs to carry out primary crushing processing, then need to screen the colliery stone that will process according to the size, and current sieving mechanism will disqualified colliery stone select the back, need collect disqualified colliery stone and carry out secondary crushing again, then the cost of equipment processing can be increased, and the screening mode is usually for utilizing the elasticity of spring to make the filter screen produce up-and-down vibration, this kind of mode is difficult to convey disqualified coal ore to one side, lead to disqualified colliery stone on the filter screen more and more, make the efficiency of screening reduce, and the impact force that the vibration produced from top-and-bottom many times, easily cause the phenomenon of smashing qualified coal ore, make the undersize of coal ore, can reduce the quality of coal ore.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a screening device for coal mine exploitation, which is provided with crushing leaves for crushing unqualified coal mine stones, so that secondary treatment of the coal mine stones is realized, the subsequent secondary treatment of the coal mine stones is not needed, the working efficiency is improved, and the problems that the unqualified coal mine stones are required to be collected and crushed again, and the equipment processing cost is increased are solved.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a sieving mechanism for coal mining, includes the organism that is whole device carrier, be equipped with the screening mechanism that is used for screening the colliery in the organism, the organism bottom is equipped with the discharge mechanism that is used for deriving the colliery, screening mechanism is including locating the filter plate in the organism, and the bottom four corners department of filter plate all articulates there is connecting block a, and the equal rigid coupling in organism inner wall both sides has two connecting blocks b, articulates between connecting block b and the connecting block a of close position has the drive sheet, is equipped with in the organism and is used for driving filter plate side-to-side wobbling drive assembly, and the guide frame is installed to organism one side slope, and guide frame department is equipped with the crushing leaf that is used for crushing coal ore.

Preferably, the driving assembly comprises a motor fixedly arranged on the machine body, a connecting shaft is fixedly connected to the output end of the motor, a disc is fixedly connected to the end part of the connecting shaft, a transmission bar is eccentrically hinged to one side of the disc, a transmission rod is fixedly connected to the bottom of the filter plate, the end part of the transmission bar is sleeved on the transmission rod, and a linkage assembly for driving the crushing blades to operate is arranged on the machine body.

Preferably, the linkage assembly comprises a rotating shaft which is rotatably connected to the machine body, the crushing She Gujie is arranged on the rotating shaft, belt pulleys are respectively sleeved on the rotating shaft and the connecting shaft, and a belt is connected between the belt pulleys in a transmission manner.

Preferably, the discharging mechanism comprises a guide hopper fixedly connected to the bottom of the machine body, a support frame is fixedly connected to the guide hopper, springs are fixedly connected to the two sides of the support frame, and a discharging frame positioned below the guide hopper is fixedly connected to the two springs together.

Preferably, the inner walls of the guide hoppers are fixedly connected with protective layers.

Preferably, the machine body is provided with a feed inlet, and a baffle is fixedly connected at the feed inlet.

By means of the technical scheme, the utility model provides a screening device for coal mining, which has at least the following beneficial effects:

1. this sieving mechanism for coal mining drives drive bar one end annular rotation when the disc rotates through setting up screening mechanism for the drive bar passes through the transfer line and promotes the filter plate and swing about, both can produce the vibration and select the colliery stone, can continuously carry the colliery stone again, and unqualified colliery stone falls to the guide frame department, carries out the landing to the organism afterwards, smashes the leaf to unqualified colliery stone, realizes handling the colliery stone secondary treatment again, need not follow-up colliery stone again and handles, is favorable to improving work efficiency.

2. This sieving mechanism for coal mining, through setting up discharge mechanism, qualified colliery stone falls to the discharge frame through the inoxidizing coating on, owing to be provided with the spring, can reduce the impact force that the coal ore descends and produce, can protect colliery stone, avoid the impact force too big to cause smashing to the colliery stone that falls.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model, illustrate and together with the description serve to explain a part of the utility model:

FIG. 1 is a schematic perspective view of the present utility model in front view;

FIG. 2 is a schematic perspective view of the present utility model in a side view;

FIG. 3 is a cross-sectional view of the body of the present utility model;

FIG. 4 is a schematic view of a screening mechanism according to the present utility model;

fig. 5 is a schematic structural view of the discharging mechanism of the present utility model.

Reference numerals:

100. a body; 101. a baffle;

200. a screening mechanism; 201. a filter plate; 202. a connecting block a; 203. a connecting block b; 204. a transmission plate; 205. a motor; 206. a connecting shaft; 207. a disc; 208. a transmission bar; 209. a transmission rod; 210. a rotating shaft; 211. crushing leaves; 212. a material guiding frame; 213. a linkage assembly;

300. a discharging mechanism; 301. a guide hopper; 302. a protective layer; 303. a spring; 304. and a discharging frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

A screening apparatus for coal mining according to some embodiments of the present utility model is described below with reference to the accompanying drawings.

Embodiment one:

as shown in fig. 1-5, the screening device for coal mine opening provided by the utility model comprises a machine body 100 serving as a carrier of the whole device, wherein a screening mechanism 200 for screening coal mine is arranged in the machine body 100, a discharging mechanism 300 for guiding out coal mine is arranged at the bottom of the machine body 100, the screening mechanism 200 is arranged, unqualified coal mine stones with the size can be screened out, the device has a transportation function, the unqualified coal mine stones can be conveyed away, and then the unqualified coal mine stones are crushed, so that secondary treatment of the coal mine stones is realized, the subsequent secondary treatment of the coal mine stones is not needed, the improvement of working efficiency is facilitated, the impact force generated by dropping the coal mine stones can be slowed down, the crushing phenomenon of the coal mine stones is avoided, and the size of the screened coal mine stones can be ensured.

The screening mechanism 200 comprises a filter plate 201 arranged in a machine body 100, connecting blocks a202 are hinged at four corners of the bottom of the filter plate 201, two connecting blocks b203 are fixedly connected to two sides of the inner wall of the machine body 100, a transmission piece 204 is hinged between each connecting block b203 and each connecting block a202 in a similar position, a driving component used for driving the filter plate 201 to swing left and right is arranged in the machine body 100, a material guide frame 212 is obliquely arranged on one side of the machine body 100, crushing leaves 211 used for crushing coal ores are arranged at the material guide frame 212, a linkage component 213 used for driving the crushing leaves 211 to operate is arranged on the machine body 100, the driving component drives the filter plate 201 to swing left and right, vibration can be generated to screen coal stones, the coal stones can be continuously conveyed, smoothness during screening is guaranteed, and blocking of filter holes on the filter plate 201 and stagnation of the coal stones can be prevented.

Specifically, the drive assembly includes the motor 205 that installs admittedly on organism 100, the output rigid coupling of motor 205 has connecting axle 206, connecting axle 206's tip rigid coupling has disc 207, one side eccentric articulated has drive bar 208 on the disc 207, filter plate 201 bottom rigid coupling has transfer line 209, the tip suit of drive bar 208 is on transfer line 209, motor 205 starts and drives connecting axle 206 rotation, disc 207 rotates along with connecting axle 206, drive bar 208 one end annular rotation when disc 207 rotates, make drive bar 208 promote filter plate 201 through transfer line 209 and control the swing, then can carry out the screening to colliery stone on the filter plate 201.

Further, the linkage assembly 213 includes a rotating shaft 210 rotatably connected to the machine body 100, the crushing blade 211 is fixedly connected to the rotating shaft 210, belt pulleys are respectively sleeved on the rotating shaft 210 and the connecting shaft 206, a belt is connected between the belt pulleys in a transmission manner, the connecting shaft 206 rotates to drive the belt pulleys to rotate, the belt pulley drives another belt pulley to rotate through the belt, the rotating shaft 210 can be driven to rotate, the rotating shaft 210 rotates to drive the crushing blade 211 to rotate, unqualified coal stones can be crushed, and unqualified coal mine stones are crushed into qualified products.

According to the embodiment, the motor 205 is started to drive the connecting shaft 206 to rotate, the disc 207 rotates along with the connecting shaft 206, and one end of the driving bar 208 is driven to rotate in an annular manner when the disc 207 rotates, so that the driving bar 208 drives the filter plate 201 to swing left and right through the driving rod 209, vibration can be generated to screen coal mine stones, the coal mine stones can be continuously conveyed, unqualified coal mine stones fall to the position of the material guiding frame 212 and then slide down to the machine body 100, the unqualified coal mine stones are crushed by the crushing blades 211, secondary treatment of the coal mine stones is achieved, subsequent secondary treatment of the coal mine stones is not needed, and improvement of working efficiency is facilitated.

Embodiment two:

on the basis of the first embodiment, as shown in fig. 2 and fig. 5, the discharging mechanism 300 comprises a guide hopper 301 fixedly connected to the bottom of the machine body 100, a supporting frame is fixedly connected to the guide hopper 301, springs 303 are fixedly connected to two sides of the supporting frame, a discharging frame 304 positioned below the guide hopper 301 is fixedly connected to the two springs 303, qualified coal mine stones fall onto the discharging frame 304 through a protective layer 302, and due to the fact that the springs 303 are arranged, impact force generated by coal ore descent can be reduced, coal mine stones can be protected, and the phenomenon that the falling coal mine stones are crushed due to overlarge impact force is avoided.

Specifically, the inner walls of the guide hoppers 301 are fixedly connected with protective layers 302 for reducing impact force generated by coal descent, and the arrangement of the protective layers 302 can further reduce the impact force generated by coal mine stones.

Further, the feeding port is formed in the machine body 100, the baffle 101 is fixedly connected to the feeding port, and the baffle 101 is arranged, so that qualified coal stones can be prevented from being conveyed to the material guiding frame 212 due to too fast coal stone conveying, and crushing of the qualified coal stones is prevented.

As can be seen from the above examples: staff places the collecting box in discharge frame 304 first, then put into organism 100 with colliery stone, then colliery stone drops on filter plate 201, motor 205 starts to drive connecting axle 206 rotation, disc 207 rotates along with connecting axle 206, drive transmission line 208 one end annular rotation when disc 207 rotates, make transmission line 208 promote filter plate 201 horizontal hunting through transfer line 209, both can produce the vibration and carry colliery stone continuously, unqualified colliery stone drops to guide frame 212 department, then slide to organism 100, smash leaf 211 and smash unqualified colliery stone, realize handling the colliery stone secondary time, colliery stone after smashing drops in organism 100 again, qualified colliery stone drops on discharge frame 304 through inoxidizing coating 302, export into the collecting box afterwards.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A screening device for coal mining, comprising a body (100) as a carrier for the whole device, characterized in that: a screening mechanism (200) for screening coal mines is arranged in the machine body (100), and a discharging mechanism (300) for guiding out the coal mines is arranged at the bottom of the machine body (100);

the screening mechanism (200) comprises a filter plate (201) arranged in a machine body (100), connecting blocks a (202) are hinged at four corners of the bottom of the filter plate (201), two connecting blocks b (203) are fixedly connected to two sides of the inner wall of the machine body (100), a transmission piece (204) is hinged between each connecting block b (203) and each connecting block a (202) in a similar position, a driving component used for driving the filter plate (201) to swing left and right is arranged in the machine body (100), a material guide frame (212) is obliquely arranged on one side of the machine body (100), and crushing blades (211) used for crushing coal ores are arranged at the material guide frame (212).

2. The coal mine opening screen apparatus according to claim 1, wherein: the driving assembly comprises a motor (205) fixedly arranged on the machine body (100), a connecting shaft (206) is fixedly connected to the output end of the motor (205), a disc (207) is fixedly connected to the end portion of the connecting shaft (206), a transmission bar (208) is eccentrically hinged to one side of the disc (207), a transmission rod (209) is fixedly connected to the bottom of the filter plate (201), the end portion of the transmission bar (208) is sleeved on the transmission rod (209), and a linkage assembly (213) for driving the crushing blades (211) to operate is arranged on the machine body (100).

3. The screening device for coal mining according to claim 2, wherein: the linkage assembly (213) comprises a rotating shaft (210) which is rotatably connected to the machine body (100), the crushing blades (211) are fixedly connected to the rotating shaft (210), belt pulleys are respectively sleeved on the rotating shaft (210) and the connecting shaft (206), and a belt is connected between the belt pulleys in a transmission manner.

4. The coal mine opening screen apparatus according to claim 1, wherein: the discharging mechanism (300) comprises a guide hopper (301) fixedly connected to the bottom of the machine body (100), a supporting frame is fixedly connected to the guide hopper (301), springs (303) are fixedly connected to the two sides of the supporting frame, and a discharging frame (304) located below the guide hopper (301) is fixedly connected to the two springs (303) together.

5. The coal mine opening screen apparatus of claim 4, wherein: and the inner walls of the guide hoppers (301) are fixedly connected with protective layers (302).

6. The coal mine opening screen apparatus according to claim 1, wherein: the machine body (100) is provided with a feed inlet, and a baffle (101) is fixedly connected at the feed inlet.