CN212493079U - A raw coal is breaker in advance for scraper conveyor transportation - Google Patents
A raw coal is breaker in advance for scraper conveyor transportation Download PDFInfo
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- CN212493079U CN212493079U CN202020686248.9U CN202020686248U CN212493079U CN 212493079 U CN212493079 U CN 212493079U CN 202020686248 U CN202020686248 U CN 202020686248U CN 212493079 U CN212493079 U CN 212493079U
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Abstract
The utility model discloses a raw coal pre-crushing device used in the transportation process of a scraper conveyor, which comprises a horizontally arranged tube plate conveyor, wherein an inner portal frame is fixedly arranged on a conveying groove of the scraper conveyor, and a first crushing plate and a second crushing plate are respectively and vertically arranged on two sides of the inner portal frame symmetrically; the utility model has the advantages that: the utility model has simple structure, and the large lump coal pre-crushing devices are added on the two sides of the scraper conveyor, thereby realizing the on-line pre-crushing of the large lump coal, avoiding damaging the subsequent process equipment, effectively improving the working efficiency and saving the production cost; meanwhile, the driving structure is combined with cam transmission and belt pulley transmission, so that the crushing plates on two sides of the scraper conveyor realize extremely high synchronous opposite movement, and the crushing efficiency is high.
Description
The technical field is as follows:
the utility model relates to an opencut coal mine technical field especially relates to a raw coal is breaker in advance for among scraper conveyor transportation.
Background art:
in the open-air coal mining process, a scraper conveyor is a main device for conveying raw coal to a crusher, the conventional crusher is generally structured as a double-roller crusher, the size of the raw coal has certain requirements, individual oversize coal is easy to cause the crusher to be stuck and break down, and the normal production is influenced.
The utility model has the following contents:
an object of the utility model is to provide a raw coal is breaker in advance for among the scraper conveyor transportation.
The content of the utility model is as follows: a raw coal pre-crushing device used in the transportation process of a scraper conveyor comprises a horizontally arranged tube plate conveyor, an inner portal frame is fixedly installed on a conveying groove of the scraper conveyor, a first crushing plate and a second crushing plate are respectively and vertically arranged on two sides of the inner portal frame symmetrically, three first crushing columns are horizontally and inwardly fixedly connected on the inner side of each first crushing plate, the tail ends of the first crushing columns are conical, first sliding through holes matched with the first crushing columns are formed in the side wall of the inner portal frame, the first sliding through holes are in sliding connection with the first crushing columns, first compression springs are sleeved on the first crushing columns, two ends of each first compression spring are respectively contacted with the inner portal frame and the first crushing plate, first cams are horizontally arranged on the outer sides of the first crushing plates, the outer contour surface of the first cam is in contact with the outer wall of the first crushing plate, the center of the first cam is fixedly connected with a first shaft, a first belt pulley is horizontally and fixedly installed on the first shaft, two ends of the first shaft are respectively and rotatably connected with a reinforcing plate and a top plate of an outer portal frame through bearings, the outer portal frame is fixedly covered outside the scraper conveyor, two ends of the reinforcing plate are respectively and fixedly connected with the scraper conveyor and the outer portal frame, a second crushing column with a square cross section is horizontally and inwardly fixedly connected at the center position of the inner side of the second crushing plate, the tail end of the second crushing column is in a four-pyramid shape, a second sliding through hole matched with the second crushing column is formed in the side wall of the inner portal frame, the second sliding through hole is in sliding connection with the second crushing column, and a second compression spring is sleeved on the second crushing column, the two ends of the second compression spring are respectively in contact with the inner portal frame and the second crushing plate, a second cam is horizontally arranged on the outer side of the second crushing plate, the outer contour surface of the second cam is in contact with the outer wall of the second crushing plate, the center of the second cam is fixedly connected with a second shaft, a second belt pulley is fixedly mounted on the second shaft, the two ends of the second shaft are respectively in transmission connection with the reinforcing plate and the top plate of the outer portal frame through bearings, the first belt pulley is in transmission connection with the second belt pulley through a transmission belt, and the first shaft is in transmission connection with a motor.
Further, the first crushing column and the second crushing column are both made of silicon carbide.
Furthermore, the projection of the second crushing column on the vertical plane is located at the center of an equilateral triangle formed by connecting the three first crushing columns.
The utility model has the advantages that: the utility model has simple structure, and the large lump coal pre-crushing devices are added on the two sides of the scraper conveyor, thereby realizing the on-line pre-crushing of the large lump coal, avoiding damaging the subsequent process equipment, effectively improving the working efficiency and saving the production cost; meanwhile, the driving structure is combined with cam transmission and belt pulley transmission, so that the crushing plates on two sides of the scraper conveyor realize extremely high synchronous opposite movement, and the crushing efficiency is high.
Description of the drawings:
fig. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
in the figure, a scraper conveyor 1, an inner portal frame 2, a first crushing plate 3, a second crushing plate 4, a first crushing column 5, a first compression spring 6, a first cam 7, a first shaft 8, a reinforcing plate 9, an outer portal frame 10, a second crushing column 11, a second compression spring 12, a second cam 13, a second shaft 14, a transmission belt 15 and a motor 16.
The specific implementation mode is as follows:
as shown in fig. 1 and 2, a raw coal pre-crushing device for a scraper conveyor in a transportation process comprises a horizontally arranged scraper conveyor 1, an inner portal frame 2 is fixedly installed on a conveying trough of the scraper conveyor 1, a first crushing plate 3 and a second crushing plate 4 are respectively and vertically arranged at two sides of the inner portal frame 2 symmetrically, three first crushing columns 5 are horizontally and inwardly fixedly connected to the inner side of the first crushing plate 3, the tail ends of the first crushing columns 5 are conical, first sliding through holes matched with the first crushing columns 5 are formed in the side wall of the inner portal frame 2, the first sliding through holes are slidably connected with the first crushing columns 5, first compression springs 6 are sleeved on the first crushing columns 5, two ends of the first compression springs 6 are respectively contacted with the inner portal frame 2 and the first crushing plate 3, a first cam 7 is horizontally arranged on the outer side of the first crushing plate 3, the outer contour surface of the first cam 7 is in contact with the outer wall of the first crushing plate 3, the center of the first cam 7 is fixedly connected with a first shaft 8, a first belt pulley is further horizontally and fixedly installed on the first shaft 8, two ends of the first shaft 8 are respectively and rotatably connected with a top plate of a reinforcing plate 9 and a top plate of an outer portal frame 10 through bearings, the outer portal frame 10 is fixedly covered outside the scraper conveyor 1, two ends of the reinforcing plate 9 are respectively and fixedly connected with the scraper conveyor 1 and the outer portal frame 10, a second crushing column 11 with a square cross section is horizontally and inwardly fixedly connected at the inner center position of the second crushing plate 4, the tail end of the second crushing column 11 is in a quadrangular pyramid shape, a second sliding through hole matched with the second crushing column 11 is formed in the side wall of the inner portal frame 2, the two sliding through holes are in sliding connection with the second crushing column 11, a second compression spring 12 is sleeved on the second crushing column 11, two ends of the second compression spring 12 are respectively in contact with the inner portal frame 2 and the second crushing plate 4, a second cam 13 is horizontally arranged on the outer side of the second crushing plate 4, an outer contour surface of the second cam 13 is in contact with the outer wall of the second crushing plate 4, the center of the second cam 13 is fixedly connected with a second shaft 14, a second belt pulley is further fixedly mounted on the second shaft 14, two ends of the second shaft are respectively in rotating connection with the reinforcing plate 9 and a top plate of the outer portal frame 10 through bearings, the first belt pulley and the second belt pulley are in transmission connection through a transmission belt 15, and the first shaft 8 is in transmission connection with a motor 16; the first crushing column 5 and the second crushing column 11 are both made of silicon carbide; the projection of the second crushing column 11 on the vertical plane is positioned at the center of an equilateral triangle formed by connecting the three first crushing columns 5.
The working principle is as follows: during operation, the motor 16 is started to enable the first shaft 8 and the second shaft 14 to rotate synchronously, so that the first crushing plate 3 and the second crushing plate 4 are driven to move reversely, and when large coal blocks pass through, the first crushing column 5 and the second crushing column 11 can perform online pre-crushing on the large coal blocks.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a raw coal is breaker in advance for scraper conveyor transportation, its scraper conveyor (1) that includes the level setting, its characterized in that: an inner portal frame (2) is fixedly installed on a conveying groove of the scraper conveyor (1), a first crushing plate (3) and a second crushing plate (4) are symmetrically and vertically arranged on two sides of the inner portal frame (2) respectively, three first crushing columns (5) are horizontally and inwardly fixedly connected to the inner side of the first crushing plate (3), the tail ends of the first crushing columns (5) are conical, a first sliding through hole matched with the first crushing column (5) is formed in the side wall of the inner portal frame (2), the first sliding through hole is in sliding connection with the first crushing columns (5), a first compression spring (6) is sleeved on the first crushing columns (5), two ends of the first compression spring (6) are in contact with the inner portal frame (2) and the first crushing plate (3) respectively, a first cam (7) is horizontally arranged on the outer side of the first crushing plate (3), the outer contour surface of the first cam (7) is in contact with the outer wall of the first crushing plate (3), the center of the first cam (7) is fixedly connected with a first shaft (8), a first belt pulley is horizontally and fixedly mounted on the first shaft (8), two ends of the first shaft (8) are respectively in rotating connection with a reinforcing plate (9) and a top plate of an outer portal frame (10) through bearings, the outer portal frame (10) is fixedly covered outside the scraper conveyor (1), two ends of the reinforcing plate (9) are respectively in fixed connection with the scraper conveyor (1) and the outer portal frame (10), a second crushing column (11) with a square cross section is horizontally and fixedly connected to the inner side center of the second crushing plate (4) inwards, the tail end of the second crushing column (11) is in a quadrangular pyramid shape, and a second sliding through hole matched with the second crushing column (11) is formed in the side wall of the inner portal frame (2), the two sliding through holes are in sliding connection with the second crushing column (11), a second compression spring (12) is sleeved on the second crushing column (11), two ends of the second compression spring (12) are respectively in contact with the inner portal frame (2) and the second crushing plate (4), a second cam (13) is horizontally arranged on the outer side of the second crushing plate (4), the outer contour surface of the second cam (13) is in contact with the outer wall of the second crushing plate (4), the center of the second cam (13) is fixedly connected with a second shaft (14), a second belt pulley is further fixedly mounted on the second shaft (14), two ends of the second shaft are respectively in rotating connection with the top plate of the reinforcing plate (9) and the top plate of the outer portal frame (10) through bearings, and the first belt pulley is in transmission connection with the second belt pulley through a transmission belt (15), the first shaft (8) is in transmission connection with a motor (16).
2. The raw coal pre-crushing device used in the scraper conveyor transportation process according to claim 1, characterized in that: the first crushing column (5) and the second crushing column (11) are both made of silicon carbide.
3. The raw coal pre-crushing device used in the scraper conveyor transportation process according to claim 1, characterized in that: the projection of the second crushing column (11) on the vertical surface is positioned at the center of an equilateral triangle formed by connecting lines of the three first crushing columns (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686248.9U CN212493079U (en) | 2020-04-28 | 2020-04-28 | A raw coal is breaker in advance for scraper conveyor transportation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020686248.9U CN212493079U (en) | 2020-04-28 | 2020-04-28 | A raw coal is breaker in advance for scraper conveyor transportation |
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| Publication Number | Publication Date |
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| CN212493079U true CN212493079U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020686248.9U Active CN212493079U (en) | 2020-04-28 | 2020-04-28 | A raw coal is breaker in advance for scraper conveyor transportation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117900008A (en) * | 2024-03-20 | 2024-04-19 | 新乡市东振机械制造有限公司 | Solid waste crushing and screening machine for constructional engineering and use method thereof |
-
2020
- 2020-04-28 CN CN202020686248.9U patent/CN212493079U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117900008A (en) * | 2024-03-20 | 2024-04-19 | 新乡市东振机械制造有限公司 | Solid waste crushing and screening machine for constructional engineering and use method thereof |
| CN117900008B (en) * | 2024-03-20 | 2024-05-24 | 新乡市东振机械制造有限公司 | Solid waste crushing and screening machine for constructional engineering and use method thereof |
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