CN219949658U - Transmission device for improving lump coal rate in coal production - Google Patents
Transmission device for improving lump coal rate in coal production Download PDFInfo
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- CN219949658U CN219949658U CN202321336912.7U CN202321336912U CN219949658U CN 219949658 U CN219949658 U CN 219949658U CN 202321336912 U CN202321336912 U CN 202321336912U CN 219949658 U CN219949658 U CN 219949658U
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- chute
- coal
- conveyor belt
- transmission device
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- 239000003245 coal Substances 0.000 title claims abstract description 66
- 230000005540 biological transmission Effects 0.000 title claims abstract description 38
- 238000013461 design Methods 0.000 abstract description 3
- 230000001154 acute effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 210000005069 ears Anatomy 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004630 mental health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
A conveying device for improving the lump coal rate of coal production. The utility model comprises an upper transmission device and a lower transmission device, wherein a chute is arranged between one end of the upper transmission device and a conveyor belt II of the lower transmission device, and an included angle alpha between the chute and the conveyor belt II is an acute angle; the included angle alpha between the chute and the conveyor belt II is 20-60 degrees. The coal-falling device has the beneficial effects that the structural design is reasonable, the coal-falling points of the coal are buffered in the height direction, the breaking of the coal blocks is greatly reduced, and the block-discharging rate is increased; the coal does not directly strike the lower transmission equipment, so that the damage of the lower transmission equipment is reduced, meanwhile, the noise is effectively controlled, and the damage of staff to ears due to the noise is reduced.
Description
Technical Field
The utility model relates to a transmission device, in particular to a transmission device for improving the lump coal rate in coal production, and belongs to the technical field of coal production and conveying.
Background
At present, various novel devices are put into use along with the development of coal mine equipment, and the underground working environment is improved. At each transportation transfer point of coal production conveying system, when coal from the top down transmission, transmission device includes transmission equipment and lower transmission equipment, the one end of going up transmission equipment is connected with transmission equipment down through the chute that sets up perpendicularly, when the one end of upper transmission equipment conveyer belt is carried to the coal, coal falls down to on transmission equipment's the conveyer belt down along the chute, because fall is big, fall speed is fast when the coal is transferred, cause the lump coal to fall down with high collision on leaking the coal bucket steel sheet and transmission equipment down, cause the lump coal breakage serious, leak the coal bucket and the coal point department wearing and tearing of transmission equipment down very seriously moreover, increase equipment maintenance work load, simultaneously, the lump coal is great to the impact noise of steel sheet, make the physical and mental health of staff receive the infringement.
Disclosure of Invention
In order to overcome the defects of the conventional transfer equipment in the transfer process of coal, the utility model provides a conveying device for improving the lump coal rate in coal production.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an improve transmission device of coal production lump coal rate, includes transmission equipment, lower transmission equipment, is provided with the chute between transmission equipment one end and the conveyer belt II of transmission equipment down, and the contained angle alpha of chute and conveyer belt II is 20 ~ 60.
Speed V of conveyor belt I of the upper conveying device Ⅰ The speed of the coal sliding down the chute to the conveyor belt II is 7.1-7.2 m/s, which is 3.1-3.2 m/s.
The chute is formed by connecting more than 2 sections.
The chute I and the chute II of the chute are connected from top to bottom, the chute I and the chute II are obliquely arranged, and an included angle alpha between the chute I and the conveyor belt II is formed Ⅰ Is smaller than the included angle alpha between the chute II and the conveyor belt II Ⅱ 。
The included angle alpha between the chute I and the conveyor belt II Ⅰ An included angle alpha between the chute II and the conveyor belt II is 20-35 DEG Ⅱ 40-60 deg..
The included angle alpha between the chute I and the conveyor belt II Ⅰ Is 30 DEG, the included angle alpha between the chute II and the conveyor belt II Ⅱ 45 deg..
The utility model has the beneficial effects that the structural design is reasonable, the coal dropping points of the coal are buffered in the height direction, the crushing of the coal blocks is greatly reduced, and the block outlet rate is increased; the coal does not directly strike the lower transmission equipment, so that the damage of the lower transmission equipment is reduced, meanwhile, the noise is effectively controlled, and the damage of staff to ears due to the noise is reduced.
Drawings
FIG. 1 is a schematic diagram of a conveyor apparatus for increasing lump coal yield in coal production according to the present utility model.
In the figure: 1. upper conveying equipment, 2, conveyor belt rollers I, 3, conveyor belt I, 4, chute I, 5, chute II, and 6, a conveyor belt II, 7, a conveyor belt roller II, 8, a lower conveying device and 9, a chute.
Detailed Description
The utility model is further described below with reference to the drawings and examples. However, it should be understood by those skilled in the art that the present utility model is not limited to the specific embodiments listed and should be included within the scope of the present utility model as long as the spirit of the present utility model is satisfied.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "left", "right", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description or simplification of the description of the present utility model, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," "sealed" are to be construed broadly, and for example, the connection may be a fixed connection, a removable connection, a direct connection, an indirect connection, or an integral connection; the two components can be mechanically connected, or indirectly connected through an intermediate medium, or can be communicated with each other. The seal may be an oil seal, a packing seal or other form of seal. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
See fig. 1. The utility model relates to a conveying device for improving the lump coal rate of coal production, which comprises an upper conveying device 1 and a lower conveying device 8, wherein the upper conveying device 1 comprises a conveyor belt roller I2 and a conveyor belt I3, the lower conveying device 8 comprises a conveyor belt roller II 7 and a conveyor belt II 6, and the position of the upper conveying device 1 is higher than that of the lower conveying device 8.
A chute 9 is arranged between one end of the upper transmission device 1 and a conveyor belt II 6 of the lower transmission device 8, and an included angle alpha between the chute 9 and the conveyor belt II 6 is an acute angle; preferably, the included angle alpha between the chute 9 and the conveyor belt II 6 is 20-60 degrees, the coal dropping point of the coal in the coal leakage hopper is changed, the direction of the coal dropping is changed, and the impact force of the coal flow is reduced.
The running speed V of the conveyor belt I3 of the upper conveyor 1 Ⅰ At a speed V of 3.1-3.2 m/s, at which the coal slides down the chute 9 to the conveyor belt II 6 Ⅱ 7.1-7.2 m/s, reduces the serious crushing condition of coal and reduces the impact of the coal on chute steel plates.
Further, the chute 9 is formed by more than 2 sections of connection. As shown in figure 1, the chute 9 consists of two sections of a chute I4 and a chute II 5, the chute I4 and the chute II 5 are connected from top to bottom, the chute I4 and the chute II 5 are obliquely arranged, and an included angle alpha between the chute I4 and the conveyor belt II 6 is formed Ⅰ Is smaller than the included angle alpha between the chute II 5 and the conveyor belt II 6 Ⅱ 。
Further, the included angle alpha between the chute I4 and the conveyor belt II 6 Ⅰ Is 20-35 DEG, and the included angle alpha between the chute II 5 and the conveyor belt II 6 Ⅱ 40-60 deg..
Still further, the included angle alpha between the chute I4 and the conveyor belt II 6 Ⅰ Is 30 DEG, the included angle alpha between the chute II 5 and the conveyor belt II 6 Ⅱ 45 deg..
According to the conveying device for improving the lump coal rate in coal production, the chute is prolonged by changing the inclination angle of the chute, the falling speed of coal is reduced, and the impact force of coal flow on conveying equipment is reduced; changing the height direction of the falling point of the coal in the coal leakage hopper, and reducing the crushing rate of lump coal; noise is effectively controlled, noise of a working environment is reduced, and safety of staff is protected.
It should be noted that the above-mentioned embodiments illustrate rather than limit the utility model, and that those skilled in the art will be able to design many alternative embodiments without departing from the scope of the appended claims.
Claims (6)
1. The utility model provides an improve transmission device of coal production lump coal rate, includes transmission equipment, transmission equipment down, characterized by: a chute is arranged between one end of the upper transmission device and a conveyor belt II of the lower transmission device, and an included angle alpha between the chute and the conveyor belt II is 20-60 degrees.
2. According to claim 1The transmission device for improving the lump coal rate in coal production is characterized in that: speed V of conveyor belt I of the upper conveying device Ⅰ The speed of the coal sliding down the chute to the conveyor belt II is 7.1-7.2 m/s, which is 3.1-3.2 m/s.
3. The transmission device for improving the lump coal rate in coal production according to claim 2, characterized in that: the chute is formed by connecting more than 2 sections.
4. A conveyor for increasing the lump coal rate in coal production as set forth in claim 3, characterized in that: the chute I and the chute II of the chute are connected from top to bottom, the chute I and the chute II are obliquely arranged, and an included angle alpha between the chute I and the conveyor belt II is formed Ⅰ Is smaller than the included angle alpha between the chute II and the conveyor belt II Ⅱ 。
5. The transmission device for improving the lump coal rate in coal production according to claim 4, wherein: the included angle alpha between the chute I and the conveyor belt II Ⅰ An included angle alpha between the chute II and the conveyor belt II is 20-35 DEG Ⅱ 40-60 deg..
6. The transmission device for improving the lump coal rate in coal production according to claim 5, wherein: the included angle alpha between the chute I and the conveyor belt II Ⅰ Is 30 DEG, the included angle alpha between the chute II and the conveyor belt II Ⅱ 45 deg..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321336912.7U CN219949658U (en) | 2023-05-30 | 2023-05-30 | Transmission device for improving lump coal rate in coal production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321336912.7U CN219949658U (en) | 2023-05-30 | 2023-05-30 | Transmission device for improving lump coal rate in coal production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219949658U true CN219949658U (en) | 2023-11-03 |
Family
ID=88538954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321336912.7U Active CN219949658U (en) | 2023-05-30 | 2023-05-30 | Transmission device for improving lump coal rate in coal production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219949658U (en) |
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2023
- 2023-05-30 CN CN202321336912.7U patent/CN219949658U/en active Active
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