CN203382082U - Buried scraper coal feeder - Google Patents
Buried scraper coal feeder Download PDFInfo
- Publication number
- CN203382082U CN203382082U CN201320463848.9U CN201320463848U CN203382082U CN 203382082 U CN203382082 U CN 203382082U CN 201320463848 U CN201320463848 U CN 201320463848U CN 203382082 U CN203382082 U CN 203382082U
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- CN
- China
- Prior art keywords
- baffle plate
- scraper
- flight chain
- head end
- buries
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a coal feeder, particularly relates to a buried scraper coal feeder, belongs to the technical field of mine conveying machines, and provides the buried scraper coal feeder enabling coal to be normally conveyed on equipment. The buried scraper coal feeder comprises a coal feeder box and a scraper chain arranged in the coal feeder box, and the scraper chain can move to a machine head in the horizontal direction. The buried scraper coal feeder further comprises a blocking eliminating device which is arranged above the scraper chain on the end portion of the machine head end of the coal feeder box.
Description
Technical field
The utility model relates to a kind of feeder, especially relates to a kind of Scraper that buries, and belongs to the carrying machine in mine technical field.
Background technology
Burying Scraper is one of major equipment of heat power plant boiler pulverized coal preparation system, its effect be the coal charge in run coal bin by the sending in ball grinding mill of the requirement continuous uniform of exerting oneself, its advantage be simple in structure, open and close easily, coal supply is even, as Fig. 1.
The piece material after fragmentation that the convey materials that buries the Scraper design is relatively dry.But, when reality is used, due to the coal humidity, perhaps disintegrating apparatus is unexpected occurs to stop up and can not use, and cause material just directly to be transported to and to bury on Scraper without fragmentation, now, after entering feeder, the foreign material such as larger spoil or stone will cause the feeder jam, the disconnected scraper plate of card or chain when serious; Feeder also usually because the coal humidity is piled up and can not be fallen on chain, is brought to the head end and piles up when operation, the head chute blockage occurs, access opening runs the phenomenon of coal, cause that the feeder electric current increases, increased breakdown of equipment and post personnel's work capacity, have a strong impact on thermal powerplant and normally produce.
After above-mentioned situation occurring, normally by motor, overcurrent protection is set at present and solves stuck issue, but due to when using the moister coal such as mud coal, the fluctuation of feeder running current is larger, overcurrent arranges too low, and stopping transport often appears in feeder, causes the disconnected coal operation of ball grinding mill; If, and that overcurrent arranges is too high, often occur that again feeder is blocked and can not move by stone, the disconnected scraper plate of card or chain when serious, thus make overcurrent protection can not effectively solve the problem of feeder jam.
The utility model content
Technical problem to be solved in the utility model is: provide a kind of and can make coal charge normal Scraper that buries of carrying of transporting on equipment.
For solving the problems of the technologies described above adopted technical scheme, be: a kind of Scraper that buries, comprise the feeder casing and be arranged on the flight chain in this feeder casing, but described flight chain along continuous straight runs moves to the head end, also comprise the jam device that disappears, the described jam device that disappears is arranged on the top of the flight chain of described feeder casing head end end.
Further, the described jam device that disappears comprises baffle plate and the approach switch coordinated with this baffle plate, and the described Scraper that buries also comprises driver train; Described baffle plate is hinged on the top of the flight chain of described feeder casing head end end, and its lower edge to the vertical distance on plane on described flight chain is no more than 30 ㎜; Described approach switch is arranged on the roof of described feeder casing head end end, and its signal output part is connected with described driver train.
Be further, described baffle plate also comprises the hinge be fixedly connected with this baffle plate, the signal pin coordinated with described approach switch is installed on described hinge, described baffle plate is hinged on the top of the flight chain of described feeder casing head end end by described hinge, described signal pin drives in the process that described hinge rotates and clashes into described approach switch at described baffle plate.
Further, the lower edge of described baffle plate to the vertical distance on plane on described flight chain is 10～15 ㎜.
Further, also be furnished with clump weight on described baffle plate, described clump weight is fixed on the close lower edge of described baffle plate.
Further, the end face of the part higher than described flight chain of described head end is unlimited inclined-plane, and described baffle arrangement is on the top on this inclined-plane.
The beneficial effects of the utility model are: owing to above the flight chain in described feeder casing head end end, the described jam device that disappears being installed.Like this, during the foreign material such as the spoil that appearance is larger in the coal charge of carrying or stone, perhaps owing to using the moister coal such as mud coal, can the described driver train that buries Scraper be quit work by the described jam device that disappears, the workman removes the foreign material such as described larger spoil or stone, perhaps by the described jam device that disappears, directly remove the long-pending coal that is blocked in the head position, guarantee the described materials such as normal transhipment conveying coal charge that bury Scraper equipment.
The accompanying drawing explanation
Fig. 1 is the existing structural representation that buries Scraper that the utility model relates to;
Fig. 2 is a kind of structural representation that buries Scraper of the utility model.
In figure, be labeled as: feeder casing 1, flight chain 2, head end 3, the jam that disappears device 4, baffle plate 5, approach switch 6, hinge 7, signal pin 8, clump weight 9.
The specific embodiment
That a kind of that the utility model provides can make coal charge normal Scraper that buries of carrying of transporting on equipment as shown in Figure 2.The described Scraper that buries comprises feeder casing 1 and is arranged on the flight chain 2 in this feeder casing 1, but described flight chain 2 along continuous straight runs move to head end 3, also comprise the jam device 4 that disappears, the described jam device 4 that disappears is arranged on the top of the flight chain 2 of described feeder casing 1 head end 3 ends.Owing to above the flight chain 2 in described feeder casing 1 head end 3 ends, the described jam device 4 that disappears being installed.Like this, during the foreign material such as the spoil that appearance is larger in the coal charge of carrying or stone, perhaps owing to using the moister coal such as mud coal, can the described driver train that buries Scraper be quit work by the described jam device 4 that disappears, the workman removes the foreign material such as described larger spoil or stone, perhaps by the described jam device 4 that disappears, directly remove the long-pending coal that is blocked in the head position, guarantee the described materials such as normal transhipment conveying coal charge that bury Scraper equipment.
In above-mentioned embodiment, in order to simplify the structure of the described jam device 4 that disappears, convenient making, installation, can reduce production costs again simultaneously, the described jam device 4 that disappears comprises baffle plate 5 and the approach switch 6 coordinated with this baffle plate 5, in conjunction with described, buries the characteristics that Scraper also comprises driver train; Described baffle plate 5 is hinged to the top of the flight chain 2 of described feeder casing 1 head end 3 ends, and makes its lower edge to the vertical distance on plane on described flight chain 2 be no more than 30 ㎜; Simultaneously, described approach switch 6 is arranged on the roof of described feeder casing 1 head end 3 ends, and its signal output part is connected with described driver train; Further, for the installation that facilitates described baffle plate 5 and the operation of postorder, described baffle plate 5 also comprises the hinge 7 be fixedly connected with this baffle plate 5, the signal pin 8 coordinated with described approach switch 6 is installed on described hinge 7, described baffle plate 5 is hinged on the top of the flight chain 2 of described feeder casing 1 head end 3 ends by described hinge 7, in the process that described signal pin 8 rotates at the described hinge 7 of described baffle plate 5 drive, clash into described approach switch 6.Like this, when having foreign material that spoil that diameter is larger or stone etc. are large by baffle plate, baffle plate 5 rotates and lifts around hinge 7, the signal pin 8 be arranged on baffle plate 5 and then rotates, when signal pin 8 touches while approaching inductive switch 6, the feeder auto-breaking, after the post personnel pick stone, baffle plate 5 self-returns, signal pin 8 leaves approach switch just can restart feeder.
In above-mentioned embodiment, be deposited in the material on plane on described flight chain 2 for described baffle plate 5 can also be eliminated, the lower edge of described baffle plate 5 to the vertical distance on plane on described flight chain 2 is set to 10～15 ㎜; Simultaneously, arrange again a clump weight 9 on described baffle plate 5, and described clump weight 9 is fixed on to the close lower edge of described baffle plate 5 as far as possible, remove the ability of described deposit to increase described baffle plate 5.
The characteristics that are unlimited inclined-plane in conjunction with the existing end face of the part higher than described flight chain 2 that buries the described head end 3 of Scraper, in order to facilitate the described mounting arrangements of jam device 4 and the maintenance operation of postorder of disappearing, described baffle plate 5 is arranged in to the top on this inclined-plane.
Claims (6)
1. one kind is buried Scraper, comprise feeder casing (1) and be arranged on the flight chain (2) in this feeder casing (1), described flight chain (2) but along continuous straight runs is mobile to head end (3), it is characterized in that: also comprise the jam device (4) that disappears, the described jam device (4) that disappears is arranged on the top of the flight chain (2) of described feeder casing (1) head end (3) end.
2. a kind of Scraper that buries according to claim 1, it is characterized in that: the described jam device (4) that disappears comprises baffle plate (5) and the approach switch (6) coordinated with this baffle plate (5), and the described Scraper that buries also comprises driver train; Described baffle plate (5) is hinged on the top of the flight chain (2) of described feeder casing (1) head end (3) end, and its lower edge to the vertical distance on the upper plane of described flight chain (2) is no more than 30 ㎜; Described approach switch (6) is arranged on the roof of described feeder casing (1) head end (3) end, and its signal output part is connected with described driver train.
3. a kind of Scraper that buries according to claim 2, it is characterized in that: described baffle plate (5) also comprises the hinge (7) be fixedly connected with this baffle plate (5), the signal pin (8) coordinated with described approach switch (6) is installed on described hinge (7), described baffle plate (5) is hinged on the top of the flight chain (2) of described feeder casing (1) head end (3) end by described hinge (7), described signal pin (8) drives in the process that described hinge (7) rotates and clashes into described approach switch (6) at described baffle plate (5).
4. according to the described a kind of Scraper that buries of claim 2 or 3, it is characterized in that: the lower edge of described baffle plate (5) to the vertical distance on the upper plane of described flight chain (2) is 10～15 ㎜.
5. a kind of Scraper that buries according to claim 4, it is characterized in that: also be furnished with clump weight (9) on described baffle plate (5), described clump weight (9) is fixed on the close lower edge of described baffle plate (5).
6. a kind of Scraper that buries according to claim 4, it is characterized in that: the part end face higher than described flight chain (2) of described head end (3) is unlimited inclined-plane, and described baffle plate (5) is arranged in the top on this inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463848.9U CN203382082U (en) | 2013-07-31 | 2013-07-31 | Buried scraper coal feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463848.9U CN203382082U (en) | 2013-07-31 | 2013-07-31 | Buried scraper coal feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203382082U true CN203382082U (en) | 2014-01-08 |
Family
ID=49870594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320463848.9U Expired - Fee Related CN203382082U (en) | 2013-07-31 | 2013-07-31 | Buried scraper coal feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203382082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112249606A (en) * | 2020-11-04 | 2021-01-22 | 中国矿业大学 | Waste rock blocking and collision preventing device for scraper conveyor head of fully mechanized mining face and using method |
-
2013
- 2013-07-31 CN CN201320463848.9U patent/CN203382082U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112249606A (en) * | 2020-11-04 | 2021-01-22 | 中国矿业大学 | Waste rock blocking and collision preventing device for scraper conveyor head of fully mechanized mining face and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20160731 |