CN219566628U - Lining plate structure of coal dropping cylinder of coal conveying system - Google Patents

Abstract

The utility model relates to a lining plate structure of a coal dropping cylinder of a coal conveying system, which comprises a lining plate body, wherein the front surface of the lining plate body is provided with a bolt hole, and the front surface of the lining plate body is fixedly provided with a bolt baffle plate. This coal conveying system coal fall section of thick bamboo welt structure, through setting up welt body, the bolt hole, the bolt baffle, on original monoblock welt body basis, cut apart into the small piece welt of equal proportion according to the live condition of use, and respectively weld a same material protection shield in its two rows of bolt holes top, can effectively prevent that the bolt from leaking the coal to spout the powder defect emergence because of wearing and tearing lead to too fast, have the crushing coal effect of certain degree, the life of extension welt simultaneously, the manual work that very big degree reduces the change and material cost that produce, not only can solve the welt wearing and tearing too fast, the frequent coal leakage phenomenon that the bolt dropped and cause on the use, the wall of falling coal has effectively been protected, avoided simultaneously because of the welt wearing and tearing only can the integral replacement's problem.

Description

Lining plate structure of coal dropping cylinder of coal conveying system

Technical Field

The utility model relates to the technical field of an internal wear-resistant device of a coal dropping cylinder of a coal conveying system, in particular to a lining plate structure of the coal dropping cylinder of the coal conveying system.

Background

The coal feeding system is used for feeding coal to the unit, the plurality of belt conveyors are arranged, after the upper belt conveyor feeds the coal flow to the head, the coal flow is fed into the lower belt conveyor through the coal dropping cylinder, the coal dropping cylinder generally mainly comprises a head hopper, a three-way baffle, a coal dropping pipe and a buffer air lock, the coal flow is conveyed in the coal dropping pipe according to a certain track, in order to ensure the reliable and normal use of the coal dropping cylinder, the wear-resistant lining plate is additionally arranged on the flushing surface of the coal dropping pipe by the coal flow in the coal dropping cylinder, the coal dropping pipe is a square three-dimensional pipe, and the wear-resistant lining plate is additionally arranged on the flushing surface of the coal dropping pipe in order to slow down the wear condition of the inner wall of the coal dropping cylinder, so that the coal dropping cylinder is ensured to be safely and normally used.

At present, the material of a coal dropping cylinder liner plate is commonly promoted to be high manganese steel, the material has higher strength and toughness after quenching treatment, and has good wear resistance and no magnetism, the liner plate is fixed on the wall of the coal dropping cylinder by countersunk bolts and nuts, the specification is integrally installed according to the size of the wall of the coal dropping cylinder, the coal charging time is long, 1) the use times are frequent, the drop of the coal dropping cylinder is large, the abrasion condition of the liner plate and the bolts is serious, the defect of coal scattering frequently occurs, an maintainer needs to enter the inside of the coal dropping cylinder to replace the liner plate and the bolts, 2) the whole liner plate can only be detached to replace the new liner plate during replacement, the time and the material consumption and the operation risk are large, and therefore, the problem of the proposed relativity is necessarily solved by the coal dropping cylinder liner plate structure of the coal conveying system.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a coal dropping cylinder lining plate structure of a coal conveying system, which has the advantages of changing the structure of the coal dropping cylinder lining plate, delaying the abrasion degree of the lining plate, reducing the phenomena of powder leakage caused by too fast bolt abrasion, reducing the maintenance operation intensity of personnel, saving labor and material cost and the like.

In order to realize the purposes of changing the structure of the lining plate of the coal dropping cylinder, delaying the abrasion degree of the lining plate, reducing the phenomena of powder leakage and powder leakage caused by too fast abrasion of bolts, reducing the maintenance operation intensity of personnel and saving the labor and material cost, the utility model provides the following technical scheme: the utility model provides a coal conveying system coal feed section of thick bamboo welt structure, includes the welt body, the bolt hole has been seted up in the front of welt body, the front fixed mounting of welt body has the bolt baffle.

Further, the bolt baffle plate is welded to the upper side of the bolt hole.

Further, the size of the lining plate body, the size of the mounting bolt hole and the size of the bolt baffle can be adjusted according to the actual conditions of the equipment.

Further, the lining plate body, the mounting bolt holes and the bolt baffle plates are suitable for mounting and using of various lining plates of the coal dropping cylinder.

Further, the number of the bolt holes is four, and the four bolt holes are symmetrically arranged in pairs.

Further, the number of the bolt baffles is two, and the two bolt baffles are symmetrically arranged.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

according to the coal dropping cylinder lining plate structure of the coal conveying system, the lining plate body, the bolt holes and the bolt baffle are arranged, when the coal dropping cylinder lining plate structure is used, on the basis of an original whole lining plate body, the lining plate is divided into small lining plates with equal proportion according to the actual conditions of a use site, and the same material protection plates are welded above the two rows of the bolt holes, so that the occurrence of coal leakage and powder injection defects caused by too fast abrasion of the bolts can be effectively prevented, the coal crushing effect is achieved to a certain extent, the service life of the lining plate is prolonged, the labor and material cost caused by replacement is greatly reduced, the frequent coal leakage phenomenon caused by too fast abrasion of the lining plate and the falling of the bolts can be solved, the wall of the coal dropping cylinder is effectively protected, meanwhile, the problem that only the whole replacement can be realized due to the abrasion of the lining plate is avoided, the labor intensity and the risk degree of maintenance personnel are greatly reduced, and the long-period safe and stable operation of equipment is ensured; meanwhile, the service life of the coal dropping cylinder is prolonged, the frequency of replacing the liner plate is reduced, the defect of coal leakage and powder leakage caused by abrasion of the liner plate and screw drop is reduced, the replacement frequency of the common coal dropping cylinder liner plate is once three months at a position where coal flow is impacted greatly, and the rest positions are half a year, the replacement frequency of the easily worn position is prolonged to half a year, the rest positions are prolonged to one year, the defect rate caused by abrasion of the liner plate is reduced by 50%, and the liner plate body 1 can be popularized to the liner plate with the same type of structure for use.

Drawings

FIG. 1 is a front view of a liner plate structure of the present utility model;

FIG. 2 is a front view of the structure of the guard plate of the present utility model;

FIG. 3 is a structural view of the liner plate of the present utility model.

In the figure: 1. a liner plate body; 2. bolt holes; 3. and a bolt baffle.

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.

Referring to fig. 1-3, a coal dropping cylinder liner plate structure of a coal conveying system in this embodiment includes a liner plate body 1, a bolt hole 2 is formed in the front surface of the liner plate body 1, and a bolt baffle 3 is fixedly mounted in the front surface of the liner plate body 1.

In the concrete implementation, the lining plate body 1, the bolt holes 2 and the bolt baffle plates 3 are arranged, when the novel lining plate is used, on the basis of the original whole lining plate body 1, the novel lining plate is divided into small lining plates with equal proportion according to the actual conditions of a use site, and the protection plates 1 made of the same material are welded above the two rows of the bolt holes 2, so that the occurrence of coal leakage and powder injection defects caused by too fast abrasion of bolts can be effectively prevented, the coal crushing effect is achieved to a certain extent, the service life of the lining plate is prolonged, the labor and material cost caused by replacement is greatly reduced, the frequent coal leakage caused by too fast abrasion of the lining plate and the falling of the bolts can be solved, the wall of the coal dropping cylinder is effectively protected, the problem that the lining plate can only be replaced integrally due to the abrasion of the lining plate is avoided, the labor intensity and the risk degree of maintenance personnel are greatly reduced, and the long-period safe and stable operation of equipment is ensured; meanwhile, the service life of the coal dropping cylinder is prolonged, the frequency of replacing the liner plate is reduced, the defect of coal leakage and powder leakage caused by abrasion of the liner plate and screw drop is reduced, the replacement frequency of the common coal dropping cylinder liner plate is once three months at a position where coal flow is impacted greatly, and the rest positions are half a year, the replacement frequency of the easily worn position is prolonged to half a year, the rest positions are prolonged to one year, the defect rate caused by abrasion of the liner plate is reduced by 50%, and the liner plate body 1 can be popularized to the liner plate with the same type of structure for use.

In practice, the method is carried out according to the following steps:

1) Firstly, arranging a bolt hole 2 and a bolt baffle plate 3 on the front surface of a lining plate body 1;

2) Then dividing the original whole lining board body 1 into small lining boards with equal proportion according to the actual conditions of the use site;

3) Then, a protection plate 1 made of the same material is welded above two rows of bolt holes 2 on the front surface of the lining plate body 1;

4) And finally, the frequent coal leakage phenomenon caused by too fast abrasion of the lining plate and falling of the bolts can be solved, the wall of the coal dropping cylinder is effectively protected, meanwhile, the problem that the lining plate can only be replaced integrally due to abrasion of the lining plate is avoided, the service life of the coal dropping cylinder is prolonged, the frequency of replacing the lining plate is reduced, the defect of coal leakage and powder leakage caused by abrasion of the lining plate and falling of the screws is reduced, the replacement frequency of the lining plate of the common coal dropping cylinder is once in three months at the larger place of coal flow impact, and the rest places are once in half a year.

In summary, according to the lining plate structure of the coal dropping cylinder of the coal conveying system, through arranging the lining plate body 1, the bolt holes 2 and the bolt baffle plates 3, when the structure is used, on the basis of the original whole lining plate body 1, the lining plate is divided into small blocks with equal proportion according to the actual conditions of a use site, and the protection plates 1 made of the same material are welded above the two rows of the bolt holes 2, so that the defect of coal leakage and powder injection caused by too fast abrasion of bolts can be effectively prevented, the effect of crushing coal is achieved to a certain extent, the service life of the lining plate is prolonged, the labor and material cost caused by replacement is greatly reduced, the frequent coal leakage caused by too fast abrasion of the lining plate and the falling of the bolts can be solved, the wall of the coal dropping cylinder is effectively protected, meanwhile, the problem that only the whole lining plate can be replaced due to the abrasion of the lining plate is avoided, the labor intensity and the risk degree of maintenance personnel are greatly reduced, and the long-period safe and stable operation of equipment is ensured; meanwhile, the service life of the coal dropping cylinder is prolonged, the frequency of replacing the liner plate is reduced, the defect of coal leakage and powder leakage caused by abrasion of the liner plate and screw drop is reduced, the replacement frequency of the common coal dropping cylinder liner plate is once three months at a position where coal flow is impacted greatly, and the rest positions are half a year, the replacement frequency of the easily worn position is prolonged to half a year, the rest positions are prolonged to one year, the defect rate caused by abrasion of the liner plate is reduced by 50%, and the liner plate body 1 can be popularized to the liner plate with the same type of structure for use.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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 (6)

1. The utility model provides a coal conveying system coal fall section of thick bamboo welt structure, includes welt body (1), its characterized in that: the front of welt body (1) has seted up bolt hole (2), the front fixed mounting of welt body (1) has bolt baffle (3).

2. The coal chute liner plate structure of a coal conveying system according to claim 1, wherein: the bolt baffle (3) is welded on the upper side of the bolt hole (2).

3. The coal chute liner plate structure of a coal conveying system according to claim 1, wherein: the size of the lining plate body (1), the size of the mounting bolt hole (2) and the size of the bolt baffle plate (3) can be adjusted according to the actual conditions of the equipment.

4. The coal chute liner plate structure of a coal conveying system according to claim 1, wherein: the lining plate body (1), the mounting bolt holes (2) and the bolt baffle plates (3) are suitable for mounting and using various lining plates of the coal dropping cylinder.

5. The coal chute liner plate structure of a coal conveying system according to claim 1, wherein: the number of the bolt holes (2) is four, and the four bolt holes (2) are symmetrically arranged in pairs.

6. The coal chute liner plate structure of a coal conveying system according to claim 1, wherein: the number of the bolt baffles (3) is two, and the two groups of the bolt baffles (3) are symmetrically arranged.