CN216631133U - Coal mine production screening device convenient to fix - Google Patents

Abstract

The utility model discloses a coal mine production screening device convenient to fix, which belongs to the technical field of screening equipment and comprises a moving seat, a screening bin, a crushing toothed roller, a screen, a swinging arm and a telescopic sleeve, wherein a telescopic rod capable of freely sliding along the axial direction of the telescopic sleeve is arranged on the telescopic sleeve in a penetrating mode, the swinging arm is hinged with a movable block, the movable block is hinged with one end, penetrating out of the telescopic sleeve, of the telescopic rod, the telescopic sleeve is internally provided with a buffer component used for buffering the downward movement of the telescopic rod, and the bottom of the screening bin is provided with a discharge hole. Crushing fluted roller is when rotating to smash the colliery raw materials, simultaneously through the swing of swing arm, and then the drive screen cloth reciprocates, realizes that the screen cloth shakes the screening to the raw materials, need not to set up extra power component, therefore the energy consumption is less, and then has reduced the cost in business, in addition through setting up the buffering subassembly, makes the inertia of screen cloth when reciprocating motion from top to bottom can obtain the buffering, avoids producing great effort to the swing arm, leads to the swing arm wearing and tearing great.

Description

Coal mine production screening device convenient to fix

Technical Field

The utility model relates to the technical field of screening equipment, in particular to a coal mine production screening device convenient to fix.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines, and when a coal seam is far from the ground surface, coal mining is generally selected to an underground excavation roadway, which is the underground coal mine, and when the coal seam is very close to the ground surface, coal mining is generally selected to directly strip a surface soil layer, which is the opencast coal mine.

In the coal mining process, the coal mine raw materials mined out are conveyed to the well through a belt conveyer, the volume of the coal mine raw materials after mining is unfixed, the coal mine raw materials with larger volume cannot be directly used for production, crushing and screening are needed, and through retrieval, Chinese patent No. CN212576380U discloses a crushing device for coal mining, which comprises a feeding box, a feeding device is arranged on the left side of the upper surface of the feeding box, a crushing frame is fixedly connected to the lower surface of the feeding box, crushing wheels are rotatably connected to the left side and the right side inside the crushing frame, the two groups of crushing wheels penetrate through the inner front side wall of the crushing frame and are fixedly connected with the back of a transmission gear, the two groups of transmission gears are meshed, a protection box is fixedly connected to the front of the crushing frame, a crushing motor frame is fixedly connected to the right side of the front of the protection box, a crushing motor is fixedly connected to the upper surface of the crushing motor frame, and the output end of the crushing motor penetrates through the front of the protection box and is fixedly connected with the axle center of the front of the transmission gear on the right side The utility model discloses a broken frame, the fixed frame of lower fixed surface of broken frame, the right flank of fixed frame is pegged graft and is had the removal frame, the sliding tray has all been seted up at the front and the back of removing the frame, the equal fixedly connected with slip strip of inside front side wall and the inside back lateral wall of fixed frame, the inside of removing the frame is provided with the screening box, the middle part fixedly connected with operating handle of screening box right flank, the right flank fixedly connected with U-shaped frame of fixed frame, the equal fixedly connected with pneumatic cylinder in both sides around the lateral wall of right side in the U-shaped frame, the output of pneumatic cylinder and the right flank fixed connection who removes the frame, the front and the equal fixedly connected with bracing piece in the back of fixed frame and U-shaped frame, be provided with under the fixed frame and accept the box, accept the equal fixedly connected with universal wheel in four corners of box lower surface.

Above-mentioned crushing equipment among the prior art drives through the cylinder and sieves box lateral reciprocating motion, realizes screening the colliery raw materials after the breakage, but because needs extra power component to drive, leads to energy resource consumption great for economic cost is great.

Based on the technical scheme, the utility model designs the coal mine production screening device convenient to fix so as to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a coal mine production screening device convenient to fix, and aims to solve the problems that crushing equipment in the prior art provided by the background art realizes screening of crushed coal mine raw materials by driving a screening box to transversely reciprocate through an air cylinder, but energy consumption is high and economic cost is high due to the fact that an additional power element is needed for driving.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a colliery production sieve material device convenient to it is fixed, includes that the removal seat of a plurality of gyro wheels is installed to a bottom, be equipped with the sieve feed bin through the support on removing the seat, it is connected with two crushing fluted rollers, two to rotate along its axial symmetry level in the sieve feed bin smash the fluted roller and drive its synchronous reverse rotation by outside transmission assembly, still be equipped with the screen cloth that freely moves from top to bottom in the sieve feed bin, respectively be equipped with the swing arm on smashing fluted roller axial both ends, articulated on the screen cloth have with the flexible cover of swing arm one-to-one, wear to be equipped with on the flexible cover and follow its axial free sliding's telescopic link, articulated on the swing arm have the movable block, the movable block is articulated with the one end that the telescopic link was worn out the flexible cover, be equipped with in the flexible cover and be used for moving down the buffering subassembly that cushions the telescopic link, sieve feed bin bottom is equipped with the discharge gate.

In the coal mine production screening device convenient to fix, a plurality of screws penetrate through the vertical threads on the moving seat, and pressing blocks are arranged at the lower ends of the screws.

In the coal mine production screening device convenient to fix, two inclined plates are symmetrically arranged on the inner wall of the screening bin along the axial direction of the screening bin, the two inclined plates are respectively positioned above the two crushing tooth rollers, and a blanking channel is enclosed between opposite ends of the two inclined plates.

In the coal mine production screening device convenient to fix, the buffering component comprises a floating block which is arranged at one end of a telescopic rod penetrating into a telescopic sleeve, a sliding cavity which is used for clamping the floating block and can freely slide up and down is arranged in the telescopic sleeve, and an elastic piece used for elastically abutting against the floating block is arranged in the sliding cavity.

In the coal mine production screening device convenient to fix, the elastic part is a buffer spring arranged in the sliding cavity.

Compared with the prior art, the utility model has the beneficial effects that: smash the fluted roller when rotating, in order to smash the colliery raw materials, simultaneously through the swing of swing arm, and then the drive screen cloth reciprocates, realize that the screen cloth shakes the screening to the raw materials, need not to set up extra power component, therefore the energy consumption is less, and then the cost of enterprises has been reduced, in addition through setting up the buffering subassembly, make the inertia of screen cloth when reciprocating motion from top to bottom can obtain the buffering, avoid producing great effort to the swing arm, it is great to lead to the swing arm wearing and tearing, through setting up screw rod and briquetting, make and remove the seat and can swiftly fix, be convenient for remove the discharge side department of the outside belt conveyor of sieve feed bin to the difference.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic top view of the structure of the present invention;

FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;

fig. 3 is an enlarged schematic view of a partial structure at B in fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1-briquetting, 2-screw, 3-moving seat, 4-discharge port, 5-screen, 6-telescopic sleeve, 7-crushing toothed roller, 8-screening bin, 9-blanking channel, 10-inclined plate, 11-movable block, 12-telescopic rod, 13-swing arm, 14-sliding cavity, 15-buffer spring and 16-floating block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a coal mine production screening device convenient to fix comprises a moving seat 3 with a plurality of rollers mounted at the bottom, a screening bin 8 is arranged on the moving seat 3 through a support, two crushing toothed rollers 7 are horizontally and rotationally connected in the screening bin 8 along the axial symmetry, the two crushing toothed rollers 7 are driven by an external transmission component to synchronously and reversely rotate, a screen 5 capable of freely moving up and down is further arranged in the screening bin 8, swing arms 13 are respectively arranged at two axial ends of the crushing toothed rollers 7, telescopic sleeves 6 which are in one-to-one correspondence with the swing arms 13 are hinged on the screen 5, telescopic rods 12 capable of freely sliding along the axial direction are arranged on the telescopic sleeves 6 in a penetrating mode, movable blocks 11 are hinged on the swing arms 13, the movable blocks 11 are hinged with one ends, penetrating out of the telescopic sleeves 6, of the telescopic rods 12, buffer components used for buffering the downward movement of the telescopic rods 12 are arranged in the telescopic sleeves 6, a discharge port 4 is arranged at the bottom of the screening bin 8, outside belt conveyor carries the colliery raw materials to the oral area of sieve feed bin 8 and falls into sieve feed bin 8 in, at first the raw materials smashes fluted roller 7 through two and extrudees crushing, then the raw materials after smashing fall into and pile up on screen cloth 5, smash fluted roller 7 when rotating, make swing arm 13 drive telescopic link 12 reciprocate, and then make screen cloth 5 can reciprocate, thereby to piling up the coal mine raw materials and shaking the screening on screen cloth 5, in addition through the setting of buffering subassembly, inertia when making screen cloth 5 reciprocate can cushion.

In the embodiment, a plurality of screws 2 penetrate through the vertical threads of the moving seat 3, the pressing block 1 is arranged at the lower ends of the screws 2, and because the belt conveyors of different mines are different in position, when the belt conveyor fixing device is used, the moving seat is firstly moved to a proper position, then the screws 2 are rotated, the screws 2 are screwed on the moving seat, and then the pressing block 1 is driven to move downwards, so that the pressing block 1 is finally abutted against the placing surface of the roller, and the moving seat is fixed.

In this embodiment, be equipped with two swash plates 10 along its axial symmetry on 8 inner walls of sieve feed bin, two swash plates 10 are located two crushing fluted rollers 7 tops respectively, and enclose into a blanking passageway 9 between the looks remote site between them, and the colliery raw materials that fall into in the sieve feed bin firstly falls into two swash plates 10 on, and along the swash plate 10 surface landing to blanking passageway 9 in, and then fall into again between two crushing fluted rollers 7, make the raw materials can fully be smashed by the extrusion.

In this embodiment, the buffer assembly penetrates one end of the slider 16 in the telescopic sleeve 6 including locating the telescopic link 12, be equipped with in the telescopic sleeve 6 and supply slider 16 block, and can be from top to bottom the gliding sliding chamber 14 of freedom, be equipped with the buffer spring 15 that is used for elasticity to support against slider 16 in the sliding chamber 14, it says so, come to cushion screen cloth 5's reciprocating, in the time of specific operation, after telescopic link 12 drives screen cloth 5 and moves up, because screen cloth 5 and the raw materials that pile up on it have inertia, swing arm 13 swing down the twinkling of an eye this moment, the screen cloth still has the trend of moving up, the telescopic sleeve continues to move up one section stroke, and meanwhile, slider 16 will produce the compression to the buffer spring 15 in the sliding chamber 14, and then cushion screen cloth 5's inertial movement.

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 utility model. 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 utility model disclosed above are intended to be illustrative only. The preferred embodiments are not exhaustive and do not limit the utility model 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 utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims (5)

1. The utility model provides a colliery production sieve material device convenient to it is fixed, includes removal seat (3) that a plurality of gyro wheels are installed to a bottom, be equipped with sieve feed bin (8) through the support on removing seat (3), its characterized in that, it is connected with two crushing fluted rollers (7) along its axial symmetry level rotation in sieve feed bin (8), two smash fluted roller (7) and drive its synchronous reverse rotation by outside transmission assembly, still be equipped with one can freely move from top to bottom screen cloth (5) in sieve feed bin (8), respectively be equipped with swing arm (13) on crushing fluted roller (7) axial both ends, articulated on screen cloth (5) have the telescope tube (6) with swing arm (13) one-to-one, wear to be equipped with on telescope tube (6) and can follow its axial free gliding telescopic link (12), articulated on swing arm (13) have movable block (11), movable block (11) are articulated with the one end that telescopic link (6) were worn out, be equipped with in flexible cover (6) and be used for moving down the buffering subassembly that cushions telescopic link (12), sieve feed bin (8) bottom is equipped with discharge gate (4).

2. The coal mine production screening device convenient to fix is characterized in that a plurality of screws (2) are arranged on the moving seat (3) in a penetrating mode through vertical threads, and pressing blocks (1) are arranged at the lower ends of the screws (2).

3. The coal mine production screening device convenient to fix is characterized in that two inclined plates (10) are symmetrically arranged on the inner wall of the screening bin (8) along the axial direction of the screening bin, the two inclined plates (10) are respectively positioned above the two crushing toothed rollers (7), and a blanking channel (9) is defined between the opposite ends of the two inclined plates.

4. The coal mine production screening device convenient to fix is characterized in that the buffering assembly comprises a floating block (16) which is arranged at one end of a telescopic rod (12) and penetrates into a telescopic sleeve (6), a sliding cavity (14) which is used for clamping the floating block (16) and can freely slide up and down is arranged in the telescopic sleeve (6), and an elastic piece used for elastically abutting against the floating block (16) is arranged in the sliding cavity (14).

5. A coal mine production screening device facilitating fastening according to claim 4, wherein the elastic member is a buffer spring (15) installed in the sliding chamber (14).

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