CN215325328U - Staggered double-gate suitable for coal feeder - Google Patents
Staggered double-gate suitable for coal feeder Download PDFInfo
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- CN215325328U CN215325328U CN202022716375.1U CN202022716375U CN215325328U CN 215325328 U CN215325328 U CN 215325328U CN 202022716375 U CN202022716375 U CN 202022716375U CN 215325328 U CN215325328 U CN 215325328U
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- door frame
- main body
- frame main
- pulleys
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Abstract
The embodiment of the utility model discloses a staggered double gate suitable for a coal feeder, which comprises: two cylinders, a door frame main body and two gate plates. The two cylinders are fixedly arranged on two sides of the door frame main body, the cylinders are connected and controlled in a linkage mode, the door frame main body is provided with a limiting strip, a guide rail groove and pulleys to limit the door plate, meanwhile, the last pulley positioned below can be slightly larger than other pulleys, and the opposite end faces of the two door plates (3) are one of an opposite inclined face, a wavy end face and an arc end face. The utility model can effectively prevent coal blockage and improper closing.
Description
Technical Field
The utility model relates to a gate, in particular to a staggered double gate suitable for a coal feeder.
Background
The supporting flashboard door of the feeder of current power plant, it is mostly through gear and rack or come to carry on spacingly through the recess to the flashboard, make the flashboard can the level closure with open, nevertheless because the great granule card of often taking place between two flashboards when the feeder falls coal for the feeder is often closed not in place or the card is dead, when the feeder is fed coal simultaneously, often take place the coal cinder and lead to the fact the impact to lead to damaging guide rail or pulley, greatly reduced work efficiency.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, an embodiment of the present invention provides a staggered double gate suitable for a coal feeder, including: two cylinders, a door frame main body and two gate plates.
The door frame main part is a rectangular frame, be equipped with a feed opening in the middle of the door frame main part, door frame main part side is equipped with spacing relatively, spacing inboard sunken formation guide rail recess of direction down, guide rail recess below is equipped with a plurality of pulleys.
The two cylinders are fixedly arranged on two sides of the door frame main body and are in linkage control, and the gate plate is used for opening and closing the feed opening successively.
The two gate plates are arranged in a staggered mode from top to bottom, the two gate plates are located on different horizontal planes, one gate plate is higher than the other gate plate, and the height difference between the two gate plates is the same as the thickness of the gate plate 3.
The gate plates are arranged on the pulleys in a sliding mode, the total length of the two gate plates is larger than that of the door frame main body, when the two gate plates are closed, the front ends of the two gate plates are provided with overlapped closing parts, when the gate is closed, the gate plate above the two gate plates is closed firstly, and then the gate plate below the two gate plates is closed.
The opposite end surfaces of the two gate plates are one of an opposite inclined surface, a wavy end surface and an arc end surface.
Wherein, the diameter of the last pulley in the pulleys on the guide rail groove at the lower part is 2-3 mm larger than the diameters of the other pulleys.
Wherein, the width of spacing strip is greater than the width of pulley.
Wherein, a blanking conduit which is coaxial with the blanking port is arranged below the door frame main body.
The embodiment of the utility model has the following beneficial effects: the relative terminal surface setting of flashboard, connect and reduced area of contact, when making the great coal cinder card of granule between two flashboards, can be easier be blocked by two flashboards and disconnected, and then prevent that the coal card from leading to the phenomenon that the flashboard can't close and target in place, the spacing strip that the door frame main part set up can carry on spacingly to the flashboard, the pulley that can also protect to be located the below simultaneously is not pounded by the coal cinder and is fallen the damage, the partial looks is folded and two flashboard door shape match complementary structure can increase the leakproofness of gate when the flashboard is closed simultaneously, close the flashboard that is located the top earlier when the flashboard is closed simultaneously, close the flashboard that is located the below again, resistance when can greatly reduced closes.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a block diagram of the restrictor plate of the present invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, includes two cylinders 1, a door frame body 2, and two shutter plates 3.
The door frame main body 2 is a rectangular frame, a circular feed opening 21 is arranged in the middle of the door frame main body 2,
the two cylinders 1 are fixedly arranged on two sides of the doorframe main body 2 and are used for controlling the gate plate 3 to open and close the feed opening 21 in sequence in a linkage manner.
As shown in fig. 2, the shutter plate 3 is slidably disposed on the pulleys 23, a diameter of the last pulley 22 in the pulleys 23 located below is 2-3 mm larger than a diameter of the other pulleys 23, and in this embodiment, a diameter of the other pulleys is 60mm, a diameter of the last pulley in the lower is 63mm, when the shutter plate 3 starts to be closed, and when the shutter plate 3 located below moves to the last pulley 23, the shutter plate located below tilts upwards because the sliding diameter is larger, so that a gap between the upper and lower shutter plates is reduced, and a sealing performance of the gate is increased.
The gate plates 3 are arranged in a staggered manner from top to bottom, the two gate plates 3 are located on different horizontal planes, one gate plate 3 is higher than the other gate plate, and the height difference between the two gate plates 3 is the same as the thickness of the gate plates 3.
When the gate plate 3 is closed, the gate plate 3 above is closed first, and then the gate plate 3 below is closed, so that the resistance of the gate plate during closing is reduced, and meanwhile, the two gate plates 3 are partially overlapped when being closed, so that the sealing performance of the gate is improved.
As shown in fig. 3, the side edges of the door frame main body 2 are provided with the limiting strips 22, the lower sides of the limiting strips 22 are recessed to form guide rail grooves 24, a plurality of pulleys 23 are arranged below the guide rail grooves 24, the gate plate 3 runs on the pulleys 23, the gate plate 3 is limited in the guide rail grooves 24 through the limiting strips 22, and meanwhile, the width of the limiting strips 22 is slightly wider than that of the pulleys, so that when a coal feeder feeds coal, the pulleys 23 can be prevented from being damaged by directly dropping coal blocks.
As shown in fig. 4, the opposite end surfaces of the two gate plates 3 are one of an opposite inclined surface, a wavy end surface and an arc end surface.
It should be understood that the above-mentioned embodiments are only illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All modifications made according to the spirit of the main technical scheme of the utility model are covered in the protection scope of the utility model.
Claims (4)
1. A staggered double gate suitable for a coal feeder is characterized by comprising two cylinders (1), a door frame main body (2) and two gate plates (3);
the door frame main body (2) is a rectangular frame, a feed opening (21) is arranged in the middle of the door frame main body, limit strips (22) which are staggered up and down are oppositely arranged on the side edges of the door frame main body (2), an inward-concave guide rail groove (24) is arranged below each limit strip (22), and a plurality of pulleys (23) are arranged below each guide rail groove;
the cylinders (1) are fixed on two sides of the door frame main body (2) and are used for controlling the gate plates (3) in a linkage manner to close the feed openings (21) in sequence;
the two gate plates (3) are arranged in a staggered manner up and down, the gate plates (3) are arranged on the pulleys (23) in a sliding manner, the total length of the two gate plates (3) is greater than that of the door frame main body (2), and when the two gate plates (3) are closed, the front ends of the two gate plates are provided with overlapped closed parts;
the opposite end surfaces of the two gate plates (3) are one of an opposite inclined surface, a wavy end surface and an arc end surface.
2. Staggered double gate for a coal feeder according to claim 1, characterized in that the last pulley (23) of said pulleys (23) on the lower guide groove (24) has a diameter 2-3 mm larger than the diameter of the other pulleys (23).
3. Staggered double gate for a coal feeder according to claim 1, characterized in that a blanking duct (4) coaxial to the blanking opening (21) is provided below the door frame body (2).
4. The staggered double gate for a coal feeder of claim 1, wherein the width of the limiting strip is greater than the width of the pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022716375.1U CN215325328U (en) | 2020-11-20 | 2020-11-20 | Staggered double-gate suitable for coal feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022716375.1U CN215325328U (en) | 2020-11-20 | 2020-11-20 | Staggered double-gate suitable for coal feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215325328U true CN215325328U (en) | 2021-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022716375.1U Active CN215325328U (en) | 2020-11-20 | 2020-11-20 | Staggered double-gate suitable for coal feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215325328U (en) |
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2020
- 2020-11-20 CN CN202022716375.1U patent/CN215325328U/en active Active
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