CN211216946U - Multi-step energy-saving coal grinding lining plate - Google Patents

Abstract

The utility model relates to a steel ball coal mill spare part technical field just discloses an energy-conserving coal grinding welt of multistage type, including welt body and two the end welt, the outside fixed mounting of welt body has the coal pulverizer cylinder, and the grinding groove has been seted up to the inboard of welt body, the inboard of welt body and the below that is located the grinding groove have seted up the ladder groove, and the outside fixed mounting of welt body has the lug that is located the coal pulverizer cylinder inside, the recess that is located both sides about the lug is seted up in the outside of welt body, the mounting groove has all been seted up to the upper and lower both sides of coal pulverizer cylinder, the inside fixed mounting of mounting groove has the spud pile. This energy-conserving coal grinding welt of multistage type, when needs carry out the dismouting, whole operation process is comparatively simple, labour saving and time saving to reached and be convenient for carry out the effect of dismouting, thereby the convenience is maintained the welt of coal pulverizer, guarantees the grinding effect of coal pulverizer, improves the efficiency of its dismouting, and it is very convenient to use.

Description

Multi-step energy-saving coal grinding lining plate

Technical Field

The utility model relates to a steel ball coal mill spare part technical field specifically is an energy-conserving coal grinding welt of multistage type.

Background

The coal mill is a machine for crushing and grinding coal blocks into coal powder, is an important auxiliary device of a coal powder furnace, has a plurality of types, can be divided into three types according to the rotating speed of a coal grinding working part, namely a low-speed coal mill, a medium-speed coal mill and a high-speed coal mill, wherein the low-speed coal mill is mainly a drum-type steel ball coal mill and is a rotary cylindrical drum (also called a drum body) with two conical ends, steel balls (grinding bodies) are arranged in the drum, the rotating speed of the drum is 15-25 r/min, the steel balls (grinding bodies) in the drum continuously impact and extrude coal briquettes during working, the coal briquettes are ground into coal dust, then the hot air introduced into the roller dries the coal and sends out the coal powder, after the coal powder is separated by the separator, the coal powder with certain granularity is sent into a coal powder bin or is directly sent into a coal powder burner, and the steel ball (grinding body) is heavy and large in grinding, high in power consumption and large in noise; but has wide application range to coal types and reliable operation, and is particularly suitable for grinding hard anthracite.

Energy-conserving coal grinding welt of multistage type on the market at present, the dismouting is carried out to most inconvenient, because coal charge etc. can all lead to the fact impact, wearing and tearing to the coal pulverizer welt in the work, and it is higher to the welt requirement of installing in the coal pulverizer, need often carry out the dismouting in the use, then in order to maintain, current when carrying out the dismouting, relatively troublesome, it is very inconvenient to use, so propose the energy-conserving coal grinding welt of multistage type and solve foretell problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an energy-conserving coal pulverizer welt of multistage type, possess and conveniently carry out advantages such as dismouting, multistage type energy-conserving coal pulverizer welt on the market before having solved, most inconvenient dismouting carries out, because coal charge etc. can all lead to the fact the impact to the coal pulverizer welt in the work, wearing and tearing, it is higher to the welt requirement of installing in the coal pulverizer, need often carry out the dismouting in the use, then in order to be maintained, current when carrying out the dismouting, it is more troublesome, use very inconvenient problem.

(II) technical scheme

For the purpose of realizing the above-mentioned dismouting of conveniently carrying out, the utility model provides a following technical scheme: a multistage energy-saving coal grinding lining plate comprises a lining plate body and two end lining plates, wherein a coal mill roller is fixedly mounted on the outer side of the lining plate body, a grinding groove is formed in the inner side of the lining plate body, a stepped groove is formed in the inner side of the lining plate body and below the grinding groove, a convex block positioned in the coal mill roller is fixedly mounted on the outer side of the lining plate body, grooves positioned on the upper side and the lower side of the convex block are formed in the outer side of the lining plate body, mounting grooves are formed in the upper side and the lower side of the coal mill roller, fixing piles are fixedly mounted in the mounting grooves, a fixing plate is fixedly mounted on one side, away from the coal mill roller, of each fixing pile, two limiting plates positioned in the inner side of the coal mill roller are fixedly mounted on the opposite sides of the two end lining plates, two, the inside movable mounting of fixed pipe has the fly leaf, relative two from top to bottom the opposite side fixed mounting of fly leaf has the connecting rod that is located the coal pulverizer cylinder inboard, one side fixed mounting that the coal pulverizer cylinder was kept away from to the connecting rod has the stopper that is located the limiting plate inside, one side fixed mounting that the connecting rod was kept away from to the fly leaf has the spacing spring that is located fixed intraduct.

Preferably, the number of the convex blocks is not less than twelve, and the convex blocks are distributed at equal intervals.

Preferably, the number of the mounting grooves is not less than fourteen, and the mounting grooves are distributed at equal intervals.

Preferably, the upper side and the lower side of the limiting plate are both provided with limiting grooves, and the limiting grooves are matched with the limiting blocks.

Preferably, a movable groove is formed in the inner wall of the fixed pipe, and the movable plate is movably connected with the fixed pipe through the movable groove.

Preferably, the number of the limiting springs is four, and the limiting springs are distributed at equal intervals.

(III) advantageous effects

Compared with the prior art, the utility model provides an energy-conserving coal grinding welt of multistage type possesses following beneficial effect:

the multistage energy-saving coal grinding lining plate is provided with the fixing pipe, the movable plate, the connecting rod, the limiting block and the limiting spring, when the multistage energy-saving coal grinding lining plate needs to be disassembled and assembled, the end lining plate is pulled to drive the limiting plate to move, the limiting plate can extrude the limiting block, the compression spring can be extruded through the connecting rod and the movable plate, so that the limiting spring is stressed and compressed, the movable plate can move, the limiting block can be separated from the limiting plate until the limiting plate is completely separated from the limiting plate, a coal grinding roller can be taken out, the lining plate body can be maintained after the coal grinding roller is taken out, and similarly, when the multistage energy-saving coal grinding lining plate is installed, the coal grinding roller can be fixed only by pushing the end lining plate to enable the limiting plate to be jointed with the limiting block, the whole operation process is simple, time and labor are saved, so that the, the efficiency of its dismouting is improved, and it is very convenient to use.

Drawings

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

FIG. 2 is an enlarged schematic view of the utility model at A;

fig. 3 is the structural schematic diagram of the stepped groove of the present invention.

In the figure: the coal pulverizer comprises a liner plate body 1, a liner plate body 2, a coal pulverizer roller 3, a grinding groove 4, a stepped groove 5, a bump 6, a groove 7, a mounting groove 8, a fixing pile 9, a fixing plate 10, a limiting plate 11, a fixing pipe 12, a movable plate 13, a connecting rod 14, a limiting block 15 and a limiting spring 16.

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. 1-3, a multi-step energy-saving coal grinding lining plate comprises a lining plate body 1 and two end lining plates 2, a coal grinding roller 3 is fixedly installed on the outer side of the lining plate body 1, a grinding groove 4 is formed on the inner side of the lining plate body 1, a step groove 5 is formed on the inner side of the lining plate body 1 and below the grinding groove 4, a projection 6 positioned inside the coal grinding roller 3 is fixedly installed on the outer side of the lining plate body 1, the number of the projection 6 is not less than twelve, the projection 6 is distributed at equal intervals, grooves 7 positioned on the upper side and the lower side of the projection 6 are formed on the outer side of the lining plate body 1, mounting grooves 8 are formed on the upper side and the lower side of the coal grinding roller 3, the number of the mounting grooves 8 is not less than fourteen, the mounting grooves 8 are distributed at equal intervals, a fixing pile 9 is fixedly installed inside the mounting, the opposite sides of the two end lining plates 2 are fixedly provided with limiting plates 11 positioned at the inner side of the coal mill roller 3, the upper and lower sides of each limiting plate 11 are respectively provided with a limiting groove, the limiting grooves are matched with the limiting blocks 15, the upper and lower sides of the inner part of the coal mill roller 3 are respectively fixedly provided with two fixed pipes 12, the inner wall of each fixed pipe 12 is provided with a movable groove, each movable plate 13 is movably connected with the corresponding fixed pipe 12 through the movable groove, the inner part of each fixed pipe 12 is movably provided with a movable plate 13, the opposite sides of the two vertically opposite movable plates 13 are fixedly provided with connecting rods 14 positioned at the inner side of the coal mill roller 3, one side of each connecting rod 14 far away from the coal mill roller 3 is fixedly provided with a limiting block 15 positioned at the inner part of the limiting plate 11, one side of each movable plate 13 far away, and the spacing springs 16 are distributed at equal intervals, by arranging the fixed pipe 12, the movable plate 13, the connecting rod 14, the spacing block 15 and the spacing springs 16, when the disassembly and assembly are needed, the end lining plate 2 is pulled to drive the spacing plate 11 to move, the spacing plate 11 can extrude the spacing block 15, the compression springs 16 can be extruded through the connecting rod 14 and the movable plate 13, so that the spacing springs 16 are compressed under the stress, the movable plate 13 can move, the spacing block 15 can be separated from the spacing plate 11 until the spacing plate is completely separated from the spacing plate 11 so as to take out the coal mill roller 3, the lining plate body 1 can be maintained after the coal mill roller 3 is taken out, and similarly, when the assembly is carried out, the spacing plate 11 and the spacing block 15 are combined to fix the coal mill roller 3 only by pushing the end lining plate 2, the whole operation process is simple, time and labor are saved, thereby achieving the effect of, therefore, the lining plate of the coal mill is conveniently maintained, the grinding effect of the coal mill is guaranteed, the dismounting efficiency is improved, and the use is very convenient.

To sum up, the multistage energy-saving coal grinding lining plate is provided with the fixed pipe 12, the movable plate 13, the connecting rod 14, the limiting block 15 and the limiting spring 16, when the coal grinding lining plate needs to be disassembled and assembled, the end lining plate 2 is pulled to drive the limiting plate 11 to move, the limiting plate 11 extrudes the limiting block 15, the compression spring 16 is extruded through the connecting rod 14 and the movable plate 13, so that the limiting spring 16 is compressed under stress, the movable plate 13 moves, the limiting block 15 is separated from the limiting plate 11 until the limiting block is completely separated from the limiting plate 11 so that the coal grinding roller 3 can be taken out, the lining plate body 1 can be maintained after the coal grinding roller 3 is taken out, and similarly, when the coal grinding lining plate is installed, the limiting plate 11 is only required to be pushed to be combined with the limiting block 15 to fix the coal grinding roller 3, the whole operation process is simple, time and labor are saved, so that, thereby the convenience is maintained the welt of coal pulverizer, guarantee the grinding effect of coal pulverizer, improve the efficiency of its dismouting, it is very convenient to use, the multistage type energy-conserving coal pulverizer welt on the market before having solved, most inconvenient dismouting carries out, because coal charge etc. can all lead to the fact the impact to the coal pulverizer welt in the work, wearing and tearing, requirement to the welt of installing in the coal pulverizer is higher, need often carry out the dismouting in the use, then in order to maintain, current when carrying out the dismouting, it is more troublesome, use very inconvenient problem.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims (6)

1. The utility model provides an energy-conserving coal-grinding welt of multistage type, includes welt body (1) and two end welt (2), its characterized in that: the coal mill roller (3) is fixedly mounted on the outer side of the lining plate body (1), a grinding groove (4) is formed in the inner side of the lining plate body (1), a stepped groove (5) is formed in the inner side of the lining plate body (1) and located below the grinding groove (4), a convex block (6) located inside the coal mill roller (3) is fixedly mounted on the outer side of the lining plate body (1), grooves (7) located on the upper side and the lower side of the convex block (6) are formed in the outer side of the lining plate body (1), mounting grooves (8) are formed in the upper side and the lower side of the coal mill roller (3), fixing piles (9) are fixedly mounted inside the mounting grooves (8), a fixing plate (10) is fixedly mounted on one side, away from the coal mill roller (3), of the fixing piles (9), and limiting plates (11) located on the inner side of the coal mill roller (3) are fixedly mounted, the utility model discloses a coal pulverizer roller (3) is characterized in that the inside equal fixed mounting in both sides of upper and lower both sides of coal pulverizer roller (3) has fixed pipe (12) that quantity is two, the inside movable mounting of fixed pipe (12) has fly leaf (13), relative two from top to bottom the opposite side fixed mounting of fly leaf (13) has connecting rod (14) that are located coal pulverizer roller (3) inboard, one side fixed mounting that coal pulverizer roller (3) was kept away from in connecting rod (14) has stopper (15) that are located limiting plate (11) inside, one side fixed mounting that connecting rod (14) were kept away from in fly leaf (13) has limiting spring (16) that are located fixed pipe (12) inside.

2. The multi-stage energy-saving coal grinding lining plate according to claim 1, wherein: the number of the convex blocks (6) is not less than twelve, and the convex blocks (6) are distributed at equal intervals.

3. The multi-stage energy-saving coal grinding lining plate according to claim 1, wherein: fourteen are no less than to the quantity of mounting groove (8), and mounting groove (8) are equidistant distribution.

4. The multi-stage energy-saving coal grinding lining plate according to claim 1, wherein: limiting grooves are formed in the upper side and the lower side of the limiting plate (11) and are matched with the limiting blocks (15).

5. The multi-stage energy-saving coal grinding lining plate according to claim 1, wherein: the inner wall of the fixed pipe (12) is provided with a movable groove, and the movable plate (13) is movably connected with the fixed pipe (12) through the movable groove.

6. The multi-stage energy-saving coal grinding lining plate according to claim 1, wherein: the number of the limiting springs (16) is four, and the limiting springs (16) are distributed at equal intervals.

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