Double-layer conveying device for medium-thickness coal seam scraper conveyor

Abstract

The utility model discloses a double-layer material conveying device for a medium-thickness coal seam scraper conveyor. The double-layer material conveying device comprises a first material conveying mechanism, a second material conveying mechanism, a first bottom plate and a second bottom plate, the first conveying mechanism is located on the periphery of the second conveying mechanism, the first bottom plate is located between the first conveying mechanism and the second conveying mechanism, and the second bottom plate is located in the middle of the second conveying mechanism. Compared with the prior art, the double-layer conveying device can convey raw coal in a layered mode according to the size of coal briquettes, the conveying efficiency of the raw coal is improved, and the problem that a conveyor can not operate normally due to the fact that the load is too large sometimes is effectively solved.

Description

Technical Field

[0001] The utility model relates to a double-layer material transport device, in particular to a double-layer material transport device used for a scraper conveyor in a medium-thick coal seam, belonging to the technical field of coal mining. Background Art

[0002] Generally speaking, scraper conveyor is a material conveying equipment widely used in coal mining, metallurgy, building materials, chemical industry and other industries; its working principle is to use the scraper installed on the scraper conveyor chain to push the material along the conveying trough to complete the material transportation.

[0003] In the existing technology, due to the large amount of raw coal transported during the mining of medium and thick coal seams, the scraper conveyor's transportation efficiency may not meet the requirements of raw coal transportation efficiency in a short period of time, resulting in raw coal accumulation and easily causing the scraper conveyor to overload, affecting the life of the machine. Utility Model Content

[0004] In order to overcome the problems mentioned in the background technology, the utility model provides a double-layer material transport device for a scraper conveyor of medium and thick coal seams. The double-layer material transport device of the scraper conveyor can transport raw coal in layers according to the size of the coal blocks, thereby improving the transportation efficiency of the raw coal and effectively avoiding the problem that the conveyor sometimes cannot operate normally due to excessive load, thereby ensuring the smooth operation and work efficiency of the equipment.

[0005] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0006] A double-layer material conveying device for a medium-thick coal seam scraper conveyor, the double-layer material conveying device comprising a first material conveying mechanism, a second material conveying mechanism, a first bottom plate and a second bottom plate;

[0007] Among them, the first material transport mechanism is located outside the second material transport mechanism, a first bottom plate is arranged between the first material transport mechanism and the second material transport mechanism, and a second bottom plate is arranged in the middle of the second material transport mechanism.

[0008] As a further technical solution of the utility model: the first material transport mechanism includes a first driving wheel, a first scraper chain I, a first scraper chain II, a first scraper and a first driven wheel;

[0009] The first scraper chain I and the first scraper chain II are symmetrically installed on the first driving wheel and the first driven wheel, and the first scraper is installed on the first scraper chain I and the first scraper chain II.

[0010] As a further technical solution of the present invention: the first bottom plate is composed of a plurality of identical small bottom plates (, and the small bottom plates are arranged at equal intervals.

[0011] As a further technical solution of the utility model: the second material transport mechanism includes a second driving wheel, a second scraper chain I, a second scraper chain II, a second scraper and a second driven wheel;

[0012] The second scraper chain I and the second scraper chain II are symmetrically installed on the second driving wheel and the second driven wheel, and the second scraper is installed on the second scraper chain I and the second scraper chain II.

[0013] As a further technical solution of the present invention: the second bottom plate is an integral bottom plate, and the length of the second bottom plate is shorter than that of the first bottom plate.

[0014] As a further technical solution of the present invention: one end of the second bottom plate close to the second driving wheel is parallel to one end of the first bottom plate close to the first driving wheel.

[0015] The beneficial effects of the utility model are:

[0016] 1) The double-layer conveyor can transport raw coal in layers according to the size of the coal blocks. Compared with the traditional single-layer scraper conveyor, the amount of raw coal that can be transported simultaneously is greatly increased, thereby improving the transportation efficiency of raw coal;

[0017] 2) The utility model transports the mined raw coal in layers according to the size of the coal blocks, which reduces the load on the scraper conveyor during the transportation of the raw coal and effectively avoids the problem that the conveyor sometimes cannot operate normally due to excessive load;

[0018] 3) The double-layer material transport device of the present invention has a simple and compact structural design, occupies a small space, can flexibly adapt to the working surface environment with a small space in coal mining, and can adapt to coal mining work. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional schematic diagram of an embodiment of a scraper conveyor applying the utility model;

[0020] Figure 2 It is a three-dimensional schematic diagram of the overall structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the first base plate of the utility model;

[0022] Figure 4 This is a partial enlarged schematic diagram of the second bottom plate of the utility model near the second driven wheel;

[0023] In the picture:

[0024] 1. First material transport mechanism, 1-1, first driving wheel, first scraper chain I 1-2a, first scraper chain II 1-2b, 1-3, first scraper, 1-4, first driven wheel;

[0025] 2. Second material transport mechanism, 2-1. Second driving wheel, second scraper chain I 2-2a, second scraper chain II 2-2b, 2-3. Second scraper, 2-4. Second driven wheel;

[0026] 3. First base plate, 3-1, small base plate;

[0027] 4. Second base plate. DETAILED DESCRIPTION

[0028] The following is a clear and complete description of the technical solutions in the embodiments of the present invention, in conjunction with the accompanying drawings. The embodiments described are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without creative work are within the scope of protection of the present invention.

[0029] Figure 1 This is a three-dimensional diagram of an embodiment of a scraper conveyor according to the present invention, wherein the mechanisms other than the double-layer material transport device are shown for the convenience of understanding.

[0030] Example 1, as Figure 1 As shown, this embodiment provides a double-layer material conveying device for a medium-thick coal seam scraper conveyor, the double-layer material conveying device comprising a first material conveying mechanism 1, a second material conveying mechanism 2, a first bottom plate 3 and a second bottom plate 4;

[0031] Among them, the first material conveying mechanism 1 is located outside the second material conveying mechanism 2, the first bottom plate 3 is located between the upper first material conveying mechanism 1 and the second material conveying mechanism 2, and the second bottom plate 4 is located in the middle of the second material conveying mechanism 2.

[0032] Example 2, as Figure 1 and Figure 2 As shown, in addition to all the technical features of the first embodiment, this embodiment further includes: the first material transport mechanism 1 includes a first driving wheel 1-1, a first scraper chain I1-2a, a first scraper chain II1-2b, a first scraper 1-3 and a first driven wheel 1-4;

[0033] Among them, the first scraper chain I1-2a and the first scraper chain II1-2b are symmetrically installed on the first driving wheel 1-1 and the first driven wheel 1-4, and the first scraper 1-3 is installed on the first scraper chain I1-2a and the first scraper chain II1-2b

[0034] In this embodiment, the first driving wheel 1-1 drives the first scraper chain I1-2a and the first scraper chain II1-2b on both sides to rotate, and the first scraper chain I1-2a and the first scraper chain II1-2b on both sides drive the first scraper 1-3 to move along the first bottom plate 3;

[0035] Example 3, as Figure 3 As shown, in addition to all the technical features of the second embodiment, this embodiment further includes: the first bottom plate 3 is composed of a plurality of identical small bottom plates 3-1, and the small bottom plates 3-1 are arranged at equal intervals.

[0036] In this embodiment, during the process of raw coal being mined and falling into the scraper conveyor, the first scraper 1-3 drives the raw coal to move along the first bottom plate 3. During the movement, small coal blocks pass through the gaps between the small bottom plates 3-1 and fall onto the second bottom plate 4 below. Large coal blocks continue to be driven by the first scraper 1-3 until they move to the final location.

[0037] Example 4, as Figure 1 and Figure 2 As shown, in addition to all the technical features of the first embodiment, this embodiment further includes: the second material transport mechanism 2 includes a second driving wheel 2-1, a second scraper chain I 2-2a, a second scraper chain II 2-2b, a second scraper 2-3 and a second driven wheel 2-4;

[0038] Among them, the second scraper chain I 2-2a and the second scraper chain II 2-2b are symmetrically installed on the second driving wheel 2-1 and the second driven wheel 2-4, and the second scraper 2-3 is installed on the second scraper chain I 2-2a and the second scraper chain II 2-2b;

[0039] In this embodiment, the second driving wheel 2-1 drives the second scraper chain I2-2a and the second scraper chain II2-2b on both sides to rotate, and the second scraper chain I2-2a and the second scraper chain II2-2 on both sides drive the first scraper 2-3 to move along the second bottom plate 4;

[0040] like Figure 4 As shown, the end of the second bottom plate 4 close to the second driving wheel 2 - 1 is parallel to the end of the first bottom plate 3 close to the first driving wheel 1 - 1 ; the second bottom plate 4 is a whole bottom plate, and the length of the second bottom plate 4 is shorter than that of the first bottom plate 3 .

[0041] A first conveyor belt is provided below one end of the first bottom plate 3 close to the first driven wheel 1-4, and a second conveyor belt is provided below one end of the second bottom plate 4 close to the second driven wheel 2-4; large coal blocks fall into the first conveyor belt after being transported by the first bottom plate 3, and small coal blocks fall into the second conveyor belt after being transported by the second bottom plate 4. After the small coal blocks fall from the first bottom plate 3 to the second bottom plate 4, the second scraper 2-3 drives the small coal blocks to move along the second bottom plate 4 to the final location.

[0042] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0043] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A double-layer material transport device for a scraper conveyor in a medium-thick coal seam, characterized by: It comprises a first material transport mechanism (1), a second material transport mechanism (2), a first bottom plate (3) and a second bottom plate (4); The first material transport mechanism (1) is located outside the second material transport mechanism (2), a first bottom plate (3) is provided between the first material transport mechanism (1) and the second material transport mechanism (2), and a second bottom plate (4) is provided in the middle of the second material transport mechanism (2).

2. The double-layer material conveying device according to claim 1, characterized in that: The first material transport mechanism (1) comprises a first driving wheel (1-1), a first scraper chain I (1-2a), a first scraper chain II (1-2b), a first scraper (1-3) and a first driven wheel (1-4); The first scraper chain I (1-2a) and the first scraper chain II (1-2b) are symmetrically mounted on the first driving wheel (1-1) and the first driven wheel (1-4), and the first scraper (1-3) is mounted on the first scraper chain I (1-2a) and the first scraper chain II (1-2b).

3. The double-layer material conveying device according to claim 1, characterized in that: The first bottom plate (3) is composed of a plurality of identical small bottom plates (3-1), and the small bottom plates (3-1) are arranged at equal intervals.

4. The double-layer material conveying device according to claim 2, characterized in that: The second material transport mechanism (2) comprises a second driving wheel (2-1), a second scraper chain I (2-2a), a second scraper chain II (2-2b), a second scraper (2-3) and a second driven wheel (2-4); The second scraper chain I (2-2a) and the second scraper chain II (2-2b) are symmetrically mounted on the second driving wheel (2-1) and the second driven wheel (2-4), and the second scraper (2-3) is mounted on the second scraper chain I (2-2a) and the second scraper chain II (2-2b).

5. The double-layer material conveying device according to claim 1, characterized in that: The second bottom plate (4) is an integral bottom plate, and the second bottom plate (4) is shorter than the first bottom plate (3).

6. The double-layer material conveying device according to claim 4, characterized in that: One end of the second bottom plate (4) close to the second driving wheel (2-1) is parallel to one end of the first bottom plate (3) close to the first driving wheel (1-1).

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