CN220185105U - Roller tail blade and wear-resisting plate of coal mining machine - Google Patents
Roller tail blade and wear-resisting plate of coal mining machine Download PDFInfo
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- CN220185105U CN220185105U CN202321973807.4U CN202321973807U CN220185105U CN 220185105 U CN220185105 U CN 220185105U CN 202321973807 U CN202321973807 U CN 202321973807U CN 220185105 U CN220185105 U CN 220185105U
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- 239000003245 coal Substances 0.000 title claims abstract description 22
- 238000005065 mining Methods 0.000 title claims abstract description 18
- 238000003466 welding Methods 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 210000003734 kidney Anatomy 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses a roller tail blade and a wear-resistant plate of a coal mining machine, wherein the roller tail blade is provided with a plurality of step positioning long holes and a first expansion pin hole, and is adapted to the roller tail; the step positioning long hole comprises a lower waist-shaped groove and an upper positioning opening, and stable positioning is realized through a special shape; the antifriction plate sets up on the cylinder tail blade, through a plurality of step locating pins and the pinhole connection that rises of second, and the antifriction plate body adopts fan-shaped design, ensures closely laminating and improves stability. The design optimizes the wear resistance of the drum of the coal mining machine, prolongs the service life of the drum, and improves the working efficiency.
Description
Technical Field
The utility model relates to the technical field of coal mining, in particular to a roller tail blade and a wear-resistant plate of a coal mining machine.
Background
The coal mining machine is used as important equipment in coal mine production, and the tail blade of the drum bears important work in the coal mining process. The design and performance of the tail blades of the roller directly influence the working efficiency of the coal mining machine and the safety of coal mine production. However, due to the severe working environment of the shearer and the hardness of the cutting medium, the tail blades of the shearer are often easy to wear and damage, thereby reducing the working efficiency and the service life of the shearer drum.
In order to solve the problem of abrasion of the tail blade of the roller, the prior art has attempted to improve the abrasion resistance of the tail blade of the roller by adopting different materials, overlaying or adding abrasion-resistant plates and the like. However, due to the complex working conditions of the tail of the drum of the coal mining machine and the special shape of the tail blades, the conventional wear plate fixing manner often has some problems.
The traditional wear plate fixing mode usually adopts a welding mode, and certain inconvenience exists in the using process of the method. The wear-resisting plate is welded with the tail blade body, once the wear-resisting plate is damaged and needs to be replaced, the removal process is very complicated, electric welding, gas welding cutting or welding are needed, the unsafe performance of field operation is directly brought, and electric welding operation is absolutely not allowed due to the fact that some coal mine gas and carbon monoxide protrude. Therefore, only any abrasion is performed until the performance of the roller is invalid, the normal operation of the coal mining machine is affected, the maintenance cost is increased, and the labor intensity of maintenance personnel is increased.
Therefore, the problem of inconvenient replacement of the wear-resistant plate in the prior art always exists, and a more convenient, stable and efficient wear-resistant plate fixing mode needs to be found, so that the service life of the drum of the coal mining machine is prolonged, the maintenance cost is reduced, and the working efficiency of the coal mining machine is improved. The utility model provides an innovative design and assembly method of the drum tail blade and the wear-resisting plate aiming at the problems, and provides a new solution for the coal mining machine industry.
Disclosure of Invention
The utility model aims to overcome the technical defects, and a first object of the utility model is to provide a tail blade of a drum of a coal mining machine, which comprises a tail blade body welded at the tail part of the drum, wherein a plurality of step positioning long holes are uniformly distributed on the upper surface of the tail blade body, and at least two first expansion pin holes are formed at the rear end of the tail blade body.
Further, the step positioning slot hole comprises a lower kidney-shaped groove and an upper positioning opening communicated with the lower kidney-shaped groove, two ends of the lower kidney-shaped groove are arc-shaped, the upper positioning opening is composed of an upper round opening and a strip opening communicated with one end of the upper round opening, one end of the strip opening, far away from the upper round opening, is arc-shaped, the arc-shaped diameter of the lower kidney-shaped groove, close to one end of the upper round opening, is identical to the diameter of the upper round opening, and the arc-shaped diameter of the lower kidney-shaped groove, far away from one end of the upper round opening, is larger than the diameter of the strip opening.
Further, the trailing blade body is fan-shaped.
The second object of the utility model is to provide a wear-resisting plate, which is arranged on the roller tail blade and comprises a wear-resisting plate body, wherein the lower surface of the wear-resisting plate body is provided with a plurality of step positioning pins corresponding to step positioning long holes, each step positioning pin comprises a connecting column matched with the size of a strip opening and a pin head matched with the size of an upper round opening, the rear end of the wear-resisting plate body is provided with a second expansion pin hole corresponding to the position of a first expansion pin hole, and the first expansion pin hole and the second expansion pin hole are connected through positioning expansion pins.
Further, the wear plate body is fan-shaped.
Compared with the prior art, the utility model has the advantages that:
1. design of a step positioning long hole and a step pin: the design of the step positioning slot holes on the tail blades and the step positioning pins on the wear-resisting plates is more flexible relative to the traditional fixing mode. The step positioning long holes are distributed on the upper surface of the tail blade body and consist of a lower kidney-shaped groove and an upper positioning opening; the step locating pins are distributed on the lower surface of the wear-resisting plate body and consist of pin heads and pin bodies. Such a design allows the wear plate to be easily replaced as required by wear.
2. First and second expansion pin holes: the rear end of the tail blade is provided with at least two first expansion pin holes, and the rear end of the wear-resisting plate body is provided with second expansion pin holes corresponding to the first expansion pin holes in position. The two holes are connected through the positioning expansion pin, so that the wear-resistant plate can be firmly fixed on the tail blade of the roller, and the stability and durability of the wear-resistant plate are improved.
3. Sector design: the tail blade body and the wear-resisting plate body are fan-shaped, and the shape meets the special structural requirement of the tail part of the roller
4. The simple assembly method comprises the following steps: the assembly method of the wear-resistant plate is simple and easy to implement. After the tail blade of the roller and the roller body are welded, the step locating pin at the bottom of the wear-resisting plate body is inserted into the step locating slot hole and fixed through the locating expansion pin. Such an assembly process is time-saving and labor-saving, while at the same time ensuring a secure connection of the wear plates.
In summary, the utility model has the advantages that the design and the assembly mode of the wear-resistant plate enable the wear-resistant plate to be replaced more easily, thereby reducing maintenance and replacement costs and improving the service life and the working efficiency of the shearer drum. The technical innovation has important practical application value for the coal cutter industry.
Drawings
FIG. 1 is a schematic view of the structure of a shearer drum tail blade in the present utility model.
Fig. 2 is a schematic view of the structure of the wear plate of the present utility model.
FIG. 3 is a schematic diagram of an assembled structure of a shearer drum tail blade and a wear plate in accordance with the present utility model.
As shown in the figure: 1. the tail blade body, 2, step location slot hole, 20, lower kidney slot, 21, go up the locating hole, 211, go up round mouth, 212, rectangular mouthful, 3, the first pinhole that rises, 4, the antifriction plate body, 5, step locating pin, 51, spliced pole, 52, the round head, 6, the pinhole that rises of second, 7, the pin that rises of location.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.
It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
In order to make the contents of the present utility model more clearly understood, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-3, a drum tail blade of a coal mining machine comprises a tail blade body 1 welded at the tail of the drum, a plurality of step positioning long holes 2 are uniformly distributed on the upper surface of the tail blade body 1, and at least two first expansion pin holes 3 are formed in the rear end of the tail blade body 1.
In one embodiment, the step positioning slot 2 includes a lower kidney-shaped slot 20 and an upper positioning opening 21 communicated with the lower kidney-shaped slot 20, both ends of the lower kidney-shaped slot 20 are arc-shaped, the upper positioning opening 21 is composed of an upper circular opening 211 and a strip opening 212 communicated with one end of the upper circular opening 211, one end of the strip opening 212 far away from the upper circular opening 211 is arc-shaped, the arc-shaped diameter of one end of the lower kidney-shaped slot 20 near the upper circular opening 211 is the same as the diameter of the upper circular opening 211, and the arc-shaped diameter of one end of the lower kidney-shaped slot 20 far away from the upper circular opening 211 is larger than the diameter of the strip opening 212.
In one embodiment, the tail vane body 1 is fan-shaped, and the fan-shaped design meets the special structural requirement of the tail part of the roller, so that the tail vane body 1 can be better matched with the tail part of the roller, and the working efficiency and the performance of the coal mining machine are improved.
The utility model provides a wear-resisting board, it sets up on foretell cylinder tail blade, including wear-resisting board body 4, the lower surface of wear-resisting board body 4 is equipped with the step locating pin 5 corresponding with step location slot hole 2, step locating pin 5 include with the spliced pole 51 of rectangular mouthful 212 size looks adaptation and with go up round mouth 211 size looks adaptation's round head 52, wear-resisting board body 4's rear end is equipped with the second that corresponds with first pinhole 3 position that rise and rises pinhole 6 that rise, the first pinhole that rises is connected through the locating pin 7 that rises between pinhole 3 and the second pinhole that rises, thereby the unique shape of step location slot hole 2 has been formed. The design makes the locating pin of antifriction plate insert more easily, has guaranteed the firm fixed of antifriction plate, has also made things convenient for the operation when changing the antifriction plate simultaneously to rectangular mouthful 212's width is less than the width of lower kidney slot 20, and the pin head 52 plays spacing effect, thereby makes step locating pin 5 can not drop out along the in-process of removing of lower kidney slot 20.
In one embodiment, the wear plate body 4 is fan-shaped, and the fan-shaped design enables the wear plate body 4 to be tightly matched with the tail vane body 1, so that the stability and durability of the wear plate are improved, and meanwhile, the replacement and maintenance of the wear plate are facilitated.
An assembling method of a wear-resistant plate, which is used for assembling the wear-resistant plate, comprises the following steps:
after the tail blade of the roller and the roller body are welded, a step locating pin 5 at the bottom of the wear-resisting plate body 4 is inserted into the step locating slot hole 2, specifically, a pin head 52 firstly passes through an upper round opening 211 and moves into a lower kidney-shaped groove 20, the wear-resisting plate body 4 is pushed to move towards the tail part of the tail blade body 1, the positions of a first expansion pin hole 3 and a second expansion pin hole 6 are corresponding, and a locating expansion pin 7 is driven into the first expansion pin hole 3 and the second expansion pin hole 6.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (3)
1. The utility model provides a coal-winning machine cylinder tail blade, its characterized in that includes tail blade body (1) of welding at the cylinder afterbody, tail blade body (1) upper surface equipartition has a plurality of step location slot holes (2), the rear end of tail blade body (1) is equipped with two at least first pinhole (3) that rise.
2. The drum tail blade of the coal mining machine according to claim 1, wherein the step positioning long hole (2) comprises a lower kidney-shaped groove (20) and an upper positioning opening (21) communicated with the lower kidney-shaped groove (20), both ends of the lower kidney-shaped groove (20) are arc-shaped, the upper positioning opening (21) is composed of an upper round opening (211) and a strip opening (212) communicated with one end of the upper round opening (211), one end of the strip opening (212) far away from the upper round opening (211) is arc-shaped, the arc-shaped diameter of one end of the lower kidney-shaped groove (20) close to the upper round opening (211) is identical with the diameter of the upper round opening (211), and the arc-shaped diameter of one end of the lower kidney-shaped groove (20) far away from the upper round opening (211) is larger than the diameter of the strip opening (212).
3. The utility model provides a wear-resisting board, its sets up on the cylinder tail blade of above-mentioned claim 1 to 2, its characterized in that includes wear-resisting board body (4), the lower surface of wear-resisting board body (4) is equipped with a plurality of step locating pins (5) corresponding with step location slot hole (2), step locating pins (5) include with spliced pole (51) of rectangular mouthful (212) size looks adaptation and with last round mouth (211) size looks adaptation's cotter head (52), the rear end of wear-resisting board body (4) is equipped with the second that rises pinhole (6) corresponding with first pinhole (3) position that rise, be connected through location pin (7) between first pinhole (3) and the second pinhole that rises.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321973807.4U CN220185105U (en) | 2023-07-26 | 2023-07-26 | Roller tail blade and wear-resisting plate of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321973807.4U CN220185105U (en) | 2023-07-26 | 2023-07-26 | Roller tail blade and wear-resisting plate of coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220185105U true CN220185105U (en) | 2023-12-15 |
Family
ID=89109190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321973807.4U Active CN220185105U (en) | 2023-07-26 | 2023-07-26 | Roller tail blade and wear-resisting plate of coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220185105U (en) |
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2023
- 2023-07-26 CN CN202321973807.4U patent/CN220185105U/en active Active
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