CN218190997U

CN218190997U - Multilayer screening installation that coal mining adopted

Info

Publication number: CN218190997U
Application number: CN202222519938.7U
Authority: CN
Inventors: 郑国龙; 贾二军; 李龙
Original assignee: Shanxi Coal Transportation And Marketing Group Energy Investment Development Co ltd
Current assignee: Shanxi Coal Transportation And Marketing Group Energy Investment Development Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-01-03
Anticipated expiration: 2032-09-20

Abstract

The utility model relates to a screening installation technical field especially relates to a multilayer screening installation that coal mining adopted, including two baffles, the rear end of two baffles has all run through the pole groove, the stock has been cup jointed in the activity of two pole inslots, the equal fixedly connected with pin in front end of two baffles, fixedly connected with crossbearer between two baffles, the mid portion of crossbearer is equipped with the circular slot, be provided with slewing mechanism in the circular slot, be provided with the sieve between two baffles, the rear end and the stock activity of sieve are cup jointed, the fixed cover of right-hand member of stock has cup jointed the spacing ring, the left end screw thread of stock has cup jointed spacing spiro. The utility model discloses a pivot constantly rotates, contact piece intermittent type nature on the drive carousel with the sieve contact to make the sieve constantly by the jack-up whereabouts again, reach the effect of vibrations sieve, make the ore on the sieve difficult be blocked and lead to the ore to plug up the sieve, improved the stability of screening.

Description

Multilayer screening installation that coal mining adopted

Technical Field

The utility model relates to a screening installation technical field especially relates to a multilayer screening installation that coal mining adopted.

Background

In the coal mine which is mined initially, the coal mine with larger volume is inconvenient to produce and process, so the coal mine needs to be screened in the mining process, and the volume of the coal is reduced so as to be convenient to transport;

however, the screen holes of the screen plates for screening are easy to be blocked by ores, so that the screen plates are blocked, and therefore, the multi-layer screening equipment for coal mining is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a multi-layer screening equipment for coal mining.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a multilayer screening installation that coal mining adopted, includes two baffles, two the rear end of baffle all runs through there is the pole groove, two the stock, two is cup jointed in the activity of pole inslot the equal fixedly connected with pin in front end of baffle, two fixedly connected with crossbearer between the baffle, the mid portion of crossbearer separately is equipped with the circular slot, be provided with slewing mechanism in the circular slot, two be provided with the sieve between the baffle, the rear end and the stock activity of sieve are cup jointed, the fixed stop collar that has cup jointed of right-hand member of stock, the left end screw thread of stock has cup jointed spacing spiro.

As a preferred technical scheme of the utility model, slewing mechanism includes the pivot, the rear end fixedly connected with carousel of pivot, two fender rings, two have been cup jointed to the axial plane of pivot fixedly keep off the opposite face of ring and laminate with the front-back activity of crossbearer respectively.

As an optimal technical scheme of the utility model, eight groups of slots, every group are run through to the quotation of carousel the slot includes three the same insertion groove, the pivot cup joints with the circular slot activity.

As a preferred technical scheme of the utility model, three inserted bar has been cup jointed in the slot internalization, keeps away from the carousel centre of a circle the inserted bar is the threaded rod, and is three the front end fixedly connected with connecting plate of inserted bar, the upper end fixedly connected with contact block of connecting plate.

As an optimal technical scheme of the utility model, contact block and the laminating of carousel activity keep away from the carousel centre of a circle the face screw thread of inserted bar has cup jointed the screw ring, the screw ring supports tightly with the carousel quotation, contact block and the laminating of sieve bottom surface activity.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the pivot constantly rotates, drives contact piece intermittent type nature on the carousel with the sieve contact to make the sieve constantly by the jack-up whereabouts again, reach the effect of vibrations sieve, make the difficult easy ore that leads to on the sieve to block up the sieve, improved the stability of screening.

2. Through the contact piece of installation different quantity on the carousel for the vibration frequency of sieve is adjustable under the unchangeable condition of pivot rotational speed, has improved the suitability.

Drawings

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

FIG. 2 is a schematic view of the structure of the baffle plate of the present invention;

FIG. 3 is a schematic structural view of the middle shaft of the present invention;

fig. 4 is a schematic structural diagram of the middle contact block of the present invention.

Wherein: 1. a baffle plate; 2. a rotating shaft; 3. a limiting ring; 4. a long rod; 5. a rod groove; 6. a limiting spiral ring; 7. a stop lever; 8. a sieve plate; 9. a circular groove; 10. a transverse frame; 11. a turntable; 12. a slot; 13. a contact block; 14. a baffle ring; 15. inserting a rod; 16. a threaded ring; 17. a connecting plate.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1, 2, 3 and 4, a multi-layer screening device for coal mining comprises two baffles 1, rod grooves 5 penetrate through the rear ends of the two baffles 1, a long rod 4 is movably sleeved in the two rod grooves 5, stop rods 7 are fixedly connected with the front ends of the two baffles 1, a cross frame 10 is fixedly connected between the two baffles 1, a circular groove 9 is separately arranged in the middle part of the cross frame 10, a rotating mechanism is arranged in the circular groove 9, a sieve plate 8 is arranged between the two baffles 1, the rear end of the sieve plate 8 is movably sleeved with the long rod 4, a limit ring 3 is fixedly sleeved at the right end of the long rod 4, a limit spiral ring 6 is sleeved at the left end of the long rod 4, the rotating mechanism comprises a rotating shaft 2, a rotary table 11 is fixedly connected with the rear end of the rotating shaft 2, two stop rings 14 are fixedly sleeved on the axial surface of the rotating shaft 2, the opposite faces of the two baffle rings 14 are movably attached to the front face and the rear face of the cross frame 10 respectively, eight groups of slots 12 penetrate through the disc face of the rotary disc 11, a dumping port for ores is arranged above the sieve plate 8, a collecting port for ore powder and particles is arranged below the sieve plate 8, a crushing port for large ores is arranged behind the sieve plate 8, the front end of the rotary shaft 2 is fixedly connected with an output shaft of a driving motor, the driving motor drives the rotary shaft 2 to rotate continuously through the output shaft, the rotary shaft 2 rotates continuously, contact blocks 13 on the rotary disc 11 are driven to contact with the sieve plate 8 intermittently, so that the sieve plate 8 is jacked up continuously and falls down, the effect of vibrating the sieve plate 8 is achieved, the ores on the sieve plate 8 are prevented from being blocked to block the sieve plate 8, the screening stability is improved, different numbers of contact blocks 13 are mounted on the rotary disc 11, and the vibration frequency of the sieve plate 8 can be adjusted under the condition that the rotating speed of the rotary shaft 2 is unchanged, the applicability is improved, each group of the slots 12 comprises three identical insertion slots, and the rotating shaft 2 is movably sleeved with the circular slot 9;

three inserted bars 15 are movably sleeved in the slot 12, the inserted bars 15 far away from the circle center of the rotary table 11 are threaded rods, the front ends of the inserted bars 15 are fixedly connected with a connecting plate 17, the upper end of the connecting plate 17 is fixedly connected with a contact block 13, the contact block 13 is movably attached to the rotary table 11, a thread ring 16 is sleeved on a face thread of the inserted bars 15 far away from the circle center of the rotary table 11, the thread ring 16 is tightly abutted to the surface of the rotary table 11, and the contact block 13 is movably attached to the bottom surface of the sieve plate 8.

The working principle is as follows: when using, the top of sieve 8 is the pouring opening of ore, the below of sieve 8 is the collection mouth of ore powder and granule, the rear of sieve 8 is the broken mouth of bold ore, the front end of pivot 2 and driving motor's output shaft fixed connection, driving motor passes through output shaft drive pivot 2 and constantly rotates, pivot 2 constantly rotates, contact piece 13 intermittent type nature on the drive carousel 11 contacts with sieve 8, thereby make sieve 8 constantly by jack-up whereabouts again, reach the effect of vibrations sieve 8, make the ore on the sieve 8 difficult by blocking lead to the ore to plug up sieve 8, the stability of screening has been improved, through the contact piece 13 of installing different quantity on carousel 11, make the vibration frequency of sieve 8 adjustable under the unchangeable condition of 2 rotational speeds of pivot, the suitability has been improved.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. The multilayer screening equipment for coal mining comprises two baffle plates (1), and is characterized in that rod grooves (5) penetrate through the rear ends of the two baffle plates (1), long rods (4) are movably sleeved in the two rod grooves (5), stop rods (7) are fixedly connected to the front ends of the two baffle plates (1), a cross frame (10) is fixedly connected between the two baffle plates (1), and a circular groove (9) is formed in the middle of the cross frame (10) in a separated mode;

a rotating mechanism is arranged in the circular groove (9);

a sieve plate (8) is arranged between the two baffles (1).

2. The multi-layer screening apparatus for coal mining according to claim 1, wherein the rear end of the screen plate (8) is movably sleeved with a long rod (4), the right end of the long rod (4) is fixedly sleeved with a limit ring (3), and the left end of the long rod (4) is sleeved with a limit spiral ring (6) in a threaded manner.

3. The multi-layer screening device for coal mining according to claim 2, wherein the rotating mechanism comprises a rotating shaft (2), a rotating disc (11) is fixedly connected to the rear end of the rotating shaft (2), two baffle rings (14) are fixedly sleeved on the shaft surface of the rotating shaft (2), and opposite surfaces of the two baffle rings (14) are movably attached to the front surface and the rear surface of the cross frame (10) respectively.

4. The multi-deck screening apparatus for coal mining according to claim 3, wherein eight groups of slots (12) are formed through the deck of the rotary table (11), each group of slots (12) comprises three identical slots, and the rotary shaft (2) is movably sleeved with the circular slot (9).

5. The multi-layer screening device for coal mining according to claim 4, wherein three inserting rods (15) are movably sleeved in the inserting grooves (12), the inserting rods (15) far away from the circle center of the rotary table (11) are threaded rods, connecting plates (17) are fixedly connected to the front ends of the three inserting rods (15), and contact blocks (13) are fixedly connected to the upper ends of the connecting plates (17).

6. The multi-layer screening device for coal mining according to claim 5, wherein the contact block (13) is movably attached to the rotary table (11), a thread ring (16) is sleeved on the face thread of the inserted rod (15) far away from the circle center of the rotary table (11), the thread ring (16) is tightly abutted to the disc surface of the rotary table (11), and the contact block (13) is movably attached to the bottom surface of the screen plate (8).