CN220949762U - Scraper assembly for coal mining conveyor - Google Patents

Abstract

The utility model is suitable for the technical field of coal mining conveyors, and provides a scraper assembly for a coal mining conveyor, which comprises a bracket and a motor fixed on the bracket, wherein a chain is fixed on an output shaft of the motor, a mounting plate is fixed on the chain, and a first scraper is inserted on the mounting plate; connecting blocks are symmetrically fixed on the inner wall of the bracket, and second scraping plates are rotatably arranged on the two connecting blocks; a first supporting plate and a second supporting plate are symmetrically fixed in the connecting block, an L-shaped connecting rod is rotationally arranged on the first supporting plate, and springs are symmetrically fixed between the first supporting plate and the second supporting plate; and a connecting block is fixed on the rotating shaft of the second scraper and is fixedly connected with the L-shaped connecting rod. According to the utility model, in the collection and transportation process of the coal blocks, each coal block adhered on the first scraping plate passing through the second scraping plate is scraped through the second scraping plate, and the chain is blocked or broken due to accumulation of the coal blocks.

Description

Scraper assembly for coal mining conveyor

Technical Field

The utility model belongs to the technical field of coal mining conveyors, and particularly relates to a scraper assembly for a coal mining conveyor.

Background

The conveyor for conveying bulk materials in the trough is called a first scraper conveyor by traction of a first scraper chain. In the current coal face, the first scraper conveyor not only serves to transport coal and materials, but also serves as a running track of the coal mining machine, so that the first scraper conveyor becomes an essential main device in the modern coal mining process. The first scraper conveyor can keep continuous operation, and the production can be normally carried out. Otherwise, the whole coal face will be in a production stopping state, so that the whole production is interrupted.

In the process of collecting and transporting coal, because the coal blocks are different in size and volume, the conveying chain is blocked by the blockage of the coal blocks easily, the conveying chain cannot rotate circularly, and the conveying chain can be broken under serious conditions, so that not only is the blocked position manually dredged, but also the normal production efficiency is affected, and therefore, the design of the scraper assembly for the coal mining conveyor capable of preventing the blockage is very necessary.

Disclosure of utility model

The utility model aims to provide a scraper assembly for a coal mining conveyor, which can drive a clamping plate to slide towards a direction close to a first scraper or away from the first scraper simultaneously by rotating a knob, so that the first scraper is fixed, and the first scraper is fixed by using the self-locking characteristic of a worm gear and a worm, so that the subsequent disassembly work is more convenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The scraper assembly for the coal mining conveyor comprises a bracket and a motor fixed on the bracket, wherein a chain is fixed on an output shaft of the motor, a mounting plate is fixed on the chain, and a first scraper is inserted on the mounting plate; connecting blocks are symmetrically fixed on the inner wall of the bracket, and second scraping plates are rotatably arranged on the two connecting blocks; a first supporting plate and a second supporting plate are symmetrically fixed in the connecting block, an L-shaped connecting rod is rotationally arranged on the first supporting plate, and springs are symmetrically fixed between the first supporting plate and the second supporting plate; and a connecting block is fixed on the rotating shaft of the second scraping plate and is in fastening connection with the L-shaped connecting rod.

The utility model is further provided with: the mounting plate is U-shaped, and the first scraping plate is E-shaped matched with the mounting plate.

The utility model is further provided with: the two ends of the first scraping plate are respectively fixed with a first limiting plate, and first limiting holes are symmetrically formed in the first limiting plates.

The utility model is further provided with: the side of the mounting plate is rotationally provided with a knob, a worm is fixed on a rotating shaft of the knob, the lower end inside the mounting plate is rotationally provided with a rotating shaft, a worm wheel and a gear are sequentially fixed on the rotating shaft, and the worm is meshed with the worm wheel.

The utility model is further provided with: the upper end of the inside of the mounting plate is slidably provided with a clamping plate, and a limiting rod matched with the first limiting hole is fixed on the clamping plate; and a rack is fixed on the clamping plate and meshed with the gear.

The utility model has the following beneficial effects:

1. According to the utility model, in the collection and transportation process of the coal blocks, each coal block adhered on the first scraping plate passing through the second scraping plate is scraped through the second scraping plate, and the chain is blocked or broken due to accumulation of the coal blocks.

2. According to the utility model, the clamping plate can be driven to slide towards the direction close to the first scraping plate or away from the first scraping plate simultaneously by rotating the knob, so that the first scraping plate is fixed, and the first scraping plate is fixed by using the self-locking characteristic of the worm gear, so that the subsequent disassembly work is more convenient.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of a scraper assembly for a coal mining conveyor according to the present utility model;

FIG. 2 is a schematic view of the mounting plate and first screed assembly structure of the present utility model;

FIG. 3 is a schematic view of a portion of the structure of the present utility model;

FIG. 4 is a schematic view of the internal structure of the connecting block according to the present utility model;

FIG. 5 is a schematic view of a first squeegee according to the utility model

FIG. 6 is a schematic view of the internal structure of the mounting plate of the present utility model;

1. A bracket; 2. a motor; 3. a chain; 4. a mounting plate; 5. a first scraper; 6. a connecting block; 7. a second scraper; 8. a first support plate; 9. a second support plate; 10. an L-shaped connecting rod; 11. a spring; 12. a connecting block; 13. a first limiting plate; 14. a first limiting hole; 41. a knob; 42. a worm; 43. a rotating shaft; 44. a worm wheel; 45. a gear; 46. a rack; 47. a clamping plate; 48 stop bars.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Example 1

Referring to fig. 1-6, the first embodiment provides the following technical solutions:

The scraper assembly for the coal mining conveyor comprises a bracket 1 and a motor 2 fixed on the bracket 1, wherein a chain 3 is fixed on an output shaft of the motor 2, a mounting plate 4 is fixed on the chain 3, and a first scraper 5 is inserted on the mounting plate 4; connecting blocks 6 are symmetrically fixed on the inner wall of the bracket 1, and second scraping plates 7 are rotatably arranged on the two connecting blocks 6; a first supporting plate 8 and a second supporting plate 9 are symmetrically fixed in the connecting block 6, an L-shaped connecting rod 10 is rotatably arranged on the second supporting plate 9, and springs 11 are symmetrically fixed between the first supporting plate 8 and the second supporting plate 9; a connecting block 12 is fixed on the rotating shaft of the second scraper 7, and the connecting block 12 is fixedly connected with the L-shaped connecting rod 10.

The specific implementation manner of the first embodiment is as follows: in the collection transportation process of coal pieces, the starting motor 2 drives the chain 3 to rotate, thereby drive the first scraper 5 to transport the coal pieces, whenever the first scraper 5 reaches the port department of support 1, first scraper 5 contacts with second scraper 7 and drives second scraper 7 to rotate, second scraper 7 scrapes the coal pieces of adhesion on the first scraper 5 in the rotation process, when second scraper 7 rotates, drive connecting block 12 and rotate, thereby drive L type connecting rod 10 and rotate and extension spring 11, when first scraper 5 leaves second scraper 7, spring 11 drives second scraper 7 to reset, the circulation is in proper order scraped the coal pieces of adhesion on each first scraper 5 through second scraper 7.

Example two

Referring to fig. 2, the second embodiment provides the following technical solutions on the premise of the first embodiment: the mounting plate 4 is U-shaped, and the first scraping plate 5 is E-shaped matched with the mounting plate 4.

The specific implementation manner of the second embodiment is as follows: the E-shaped first scraping plate 5 and the U-shaped mounting plate 4 are fixed in an inserting mode, so that follow-up disassembly work is facilitated.

Example III

Referring to fig. 5 and 6, the third embodiment provides the following technical solutions on the premise of the first embodiment: the two ends of the first scraping plate 5 are respectively fixed with a first limiting plate 13, first limiting holes 14 are symmetrically formed in the first limiting plates 13, a knob 41 is rotationally arranged on the side face of the mounting plate 4, a worm 42 is fixed on the rotating shaft of the knob 41, a rotating shaft 43 is rotationally arranged at the lower end of the inside of the mounting plate 4, a worm wheel 44 and a gear 45 are sequentially fixed on the rotating shaft 43, the worm 42 is meshed with the worm wheel 44, a clamping plate 47 is slidingly arranged at the upper end of the inside of the mounting plate 4, and a limiting rod 48 matched with the first limiting holes 14 is fixed on the clamping plate 47; a rack 46 is fixed to the holding plate 47, and the rack 46 is engaged with the gear 45.

The third embodiment of the present invention is as follows: when the first scraping plate 5 needs to be replaced, the knob 41 is rotated, the worm 42 drives the worm wheel 44 to rotate, the worm 42 is meshed with the worm wheel 44, the worm wheel 42 and the gear 45 are simultaneously fixed on the rotating shaft 43, so that the knob 41 can drive the gear 45 to rotate, the rack 46 is meshed with the gear 45, the knob 41 can drive the clamping plate 47 to slide in the direction close to the first scraping plate 5 or far away from the first scraping plate 5, the limiting rod 48 is inserted into the first limiting hole 14, and the limiting rod 48 is matched with the first limiting hole 14 to fix the first scraping plate 5, so that the first scraping plate 5 is not easy to move in the coal mining conveying process.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (5)

1. The utility model provides a scraper blade subassembly for coal-winning conveyer, includes support (1) and fixes motor (2) on support (1), its characterized in that:

The output shaft of the motor (2) is fixed with a chain (3), a mounting plate (4) is fixed on the chain (3), and a first scraping plate (5) is inserted on the mounting plate (4);

The inner wall of the bracket (1) is symmetrically fixed with first connecting blocks (6), and second scraping plates (7) are rotatably arranged on the two first connecting blocks (6);

a first supporting plate (8) and a second supporting plate (9) are symmetrically fixed in the first connecting block (6), an L-shaped connecting rod (10) is rotationally arranged on the second supporting plate (9), and springs (11) are symmetrically fixed between the first supporting plate (8) and the second supporting plate (9);

A second connecting block (12) is fixed on the rotating shaft of the second scraping plate (7), and the second connecting block (12) is fixedly connected with the L-shaped connecting rod (10).

2. A flight assembly for a coal mining conveyor as in claim 1 wherein: the mounting plate (4) is U-shaped, and the first scraping plate (5) is E-shaped matched with the mounting plate (4).

3. A flight assembly for a coal mining conveyor as in claim 1 wherein: the two ends of the first scraping plate (5) are respectively fixed with a first limiting plate (13), and first limiting holes (14) are symmetrically formed in the first limiting plates (13).

4. A flight assembly for a coal mining conveyor as in claim 1 wherein: the side of mounting panel (4) rotates and is equipped with knob (41), be fixed with worm (42) in the axis of rotation of knob (41), the inside low end rotation of mounting panel (4) is equipped with axis of rotation (43), be fixed with worm wheel (44) and gear (45) in proper order on axis of rotation (43), worm (42) and worm wheel (44) meshing.

5. A flight assembly for a coal mining conveyor as in claim 4 wherein: the upper end of the inside of the mounting plate (4) is slidably provided with a clamping plate (47), and a limiting rod (48) matched with the first limiting hole (14) is fixed on the clamping plate (47); a rack (46) is fixed on the clamping plate (47), and the rack (46) is meshed with the gear (45).