CN215100280U - Coal scraping mechanism and coal feeder - Google Patents
Coal scraping mechanism and coal feeder Download PDFInfo
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- CN215100280U CN215100280U CN202022662359.9U CN202022662359U CN215100280U CN 215100280 U CN215100280 U CN 215100280U CN 202022662359 U CN202022662359 U CN 202022662359U CN 215100280 U CN215100280 U CN 215100280U
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Abstract
The utility model provides a scrape coal mechanism and feeder relates to coal conveying equipment's field. The coal scraping mechanism comprises a driving assembly, a first chain wheel, a second chain wheel, two chains and a plurality of scraping plates; the first chain wheel is in transmission connection with the driving assembly; the second chain wheel is in transmission connection with the first chain wheel through two chains; one chain of the two chains is tensioned and wound at the first end of the first chain wheel and the first end of the second chain wheel, and the other chain is tensioned and wound at the second end of the first chain wheel and the second end of the second chain wheel; a plurality of scrapers are all connected between two chains and are spaced from each other, and the scraper can scrape the long-pending coal of carrying feeder bottom half. The coal scraping mechanism can scrape and clean coal at the bottom of the coal feeder box body in time through the scraper while conveying the coal, and the bottom of the coal feeder box body is not easy to leave the coal or accumulate the coal to harden, so that the coal feeder does not need to be stopped for accumulated coal cleaning; in addition, when the coal is conveyed, the coal is cleaned through the scraper, so that time and labor are saved.
Description
Technical Field
The utility model relates to a coal conveying equipment's technical field particularly, relates to a scrape coal mechanism and feeder.
Background
The coal feeder is a coal transfer device and is responsible for conveying coal to the coal mill. However, after the coal falls into the coal feeder box, in the process of conveying the coal to the coal mill, part of the coal remains at the bottom of the coal feeder box, and even hardening occurs due to moisture. Moreover, along with the operation of the coal feeder, the coal at the bottom of the box body of the coal feeder is accumulated more and more, and if the coal feeder is not cleaned in time, the coal feeder can not normally operate.
In the prior art, the accumulated coal at the bottom of the coal feeder box body is cleaned in a manual cleaning mode, so that time and labor are wasted, and the operation of the coal feeder is influenced.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a scrape coal mechanism to the long-pending coal of artifical clearance feeder bottom half that exists among the solution prior art, waste time and energy, and influence the technical problem of feeder operation.
The utility model provides a coal scraping mechanism, which comprises a driving component, a first chain wheel, a second chain wheel, two chains and a plurality of scraping plates;
the first chain wheel is in transmission connection with the driving assembly;
the second chain wheel is in transmission connection with the first chain wheel through the two chains;
one chain of the two chains is tightly wound at the first end of the first chain wheel and the first end of the second chain wheel, and the other chain is tightly wound at the second end of the first chain wheel and the second end of the second chain wheel;
the scrapers are connected between the two chains and are spaced from each other, and the scrapers can scrape accumulated coal at the bottom of the coal feeder box body.
The utility model provides a scrape coal mechanism can produce following beneficial effect:
the utility model provides a coal scraping mechanism, when installing, the first chain wheel and the second chain wheel are arranged along the conveying direction of coal, and the scraper blade is attached to the bottom wall of the coal feeder box body; during operation, the driving assembly drives the first chain wheel to rotate, the first chain wheel drives the two chains to rotate around the first chain wheel and the second chain wheel, and meanwhile, the scraper between the two chains scrapes away coal at the bottom of the coal feeder box body when moving to be close to the bottom wall of the coal feeder box body. Namely, the coal scraping mechanism can scrape and clean coal at the bottom of the coal feeder box body in time through the scraper blade while conveying the coal, so that the coal is not easy to remain at the bottom of the coal feeder box body or accumulated coal is hardened, and a coal feeder does not need to be stopped for accumulated coal cleaning; in addition, when the coal is conveyed, the coal is cleaned through the scraper, so that time and labor are saved.
Further, along the direction of delivery of coal, the both sides of box all are provided with at least one and push down the piece, it can pass through to push down the piece the chain makes the scraper blade with the diapire of box pastes and leans on.
By adopting the technical scheme, the coal scraping mechanism is arranged in the working process, and when the chain and the scraper plate are floated by the acting force of coal at the bottom of the coal feeder box body, the downward pressing piece can apply downward pressure on the chain, so that the chain and the scraper plate on the chain are close to the bottom wall of the coal feeder box body, and the phenomenon that the coal is remained on the bottom wall of the coal feeder box body due to the fact that the scraper plate floats on the coal and cannot scrape the coal can be effectively avoided.
Further, the scraper is vertically connected between the two chains; the pushing down pieces are arranged in groups, each group of pushing down pieces comprises two pushing down pieces and two pushing down pieces, and the arrangement direction of the pushing down pieces is perpendicular to the conveying direction of coal.
By adopting the technical scheme, the two ends of the scraper close to the bottom wall of the coal feeder box body can simultaneously receive the downward pressure of the downward pressing piece in the process that the chain rotates around the first chain wheel and the second chain wheel, so that the phenomenon that one end of the scraper floats upwards on coal can be effectively avoided.
Further, the pressing member is a pressing plate.
By adopting the technical scheme, the structure is simple.
Further, the platen includes a body having a first end and a second end along a direction of coal conveyance, the first end being curved away from the chain.
By adopting the technical scheme, when the chain is about to rotate to the pressing plate, the bent first end plays a role in guiding the chain, so that the chain can smoothly arrive at the lower part of the body.
Further, the second end is bent away from the chain.
Furthermore, a reinforcing rib is arranged on one side, away from the chain, of the pressing plate, and the reinforcing rib can be fixedly connected to the side wall of the box body.
By adopting the technical scheme, when the coal scraping mechanism is installed, the reinforcing ribs are fixedly connected to the side wall and the body of the box body, the connection area between the pressing plate and the side wall of the box body is increased, and therefore the connection strength of the pressing plate and the side wall of the box body can be increased, and the connection firmness of the pressing plate is improved.
Further, the pressure plate is provided with two reinforcing ribs, and the two reinforcing ribs are gradually close to each other along the direction far away from the chain.
Optionally, the hold-down is an intermediate sprocket.
Preferably, the intermediate sprocket, the first sprocket and the second sprocket are identical in structure.
By adopting the technical scheme, the middle chain wheel can support the chain part above the middle chain wheel while exerting downward pressure on the chain part below the middle chain wheel, and the sinking of the chain part above the middle chain wheel can be effectively avoided.
A second object of the utility model is to provide a coal feeder to the long-pending coal of artifical clearance coal feeder bottom half that exists among the solution prior art, waste time and energy, and influence the technical problem of coal feeder operation.
The utility model provides a coal feeder, including the box and scrape coal mechanism, the scraper blade of scraping coal mechanism pastes and leans on the diapire setting of box.
The utility model provides a coal feeder has foretell whole advantages of scraping coal mechanism, and the event is no longer repeated here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic partial structural view of a coal scraping mechanism according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a pressing plate of a coal scraping mechanism according to an embodiment of the present invention;
fig. 3 is a schematic partial structural view of a coal scraping mechanism according to a second embodiment of the present invention.
Description of reference numerals:
100-a first sprocket; 200-a second sprocket; 300-a chain; 400-a scraper;
500-pressing plate; 510-a body; 511-a first end; 512-second end; 520-reinforcing ribs;
600-intermediate sprocket.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example one
Fig. 1 is a schematic partial structural view of a coal scraping mechanism provided in this embodiment.
The present embodiment provides a coal scraping mechanism, as shown in fig. 1, the coal scraping mechanism includes a driving assembly, a first sprocket 100, a second sprocket 200, two chains 300, and a plurality of scrapers 400; the first chain wheel 100 is in transmission connection with the driving component; the second chain wheel 200 is in transmission connection with the first chain wheel 100 through two chains 300; one chain 300 of the two chains 300 is tightly wound around a first end of the first sprocket 100 and a first end of the second sprocket 200, and the other chain 300 is tightly wound around a second end of the first sprocket 100 and a second end of the second sprocket 200; the scrapers 400 are connected between the two chains 300 and spaced from each other, and the scrapers 400 can scrape accumulated coal which is conveyed to the bottom of the coal machine box.
In the coal scraping mechanism provided by the embodiment, when the coal scraping mechanism is installed, the first chain wheel 100 and the second chain wheel 200 are arranged along the conveying direction of coal, and the scraper 400 is attached to the bottom wall of a coal feeder box body; in operation, the driving assembly drives the first chain wheel 100 to rotate, the first chain wheel 100 drives the two chains 300 to rotate around the first chain wheel 100 and the second chain wheel 200, and meanwhile, the scraper 400 between the two chains 300 moves to be close to the bottom wall of the coal feeder box body to scrape away coal at the bottom of the coal feeder box body. Namely, the coal scraping mechanism can scrape and clean coal at the bottom of the coal feeder box body in time through the scraper 400 while conveying the coal, so that the coal is not easy to remain at the bottom of the coal feeder box body or accumulated coal is hardened, and the coal feeder does not need to be stopped for cleaning the accumulated coal; in addition, the coal is conveyed and cleaned by the scraper 400, so that time and labor are saved.
Specifically, in this embodiment, at least one lower pressing member is disposed on each of two sides of the box along the conveying direction of coal, and the lower pressing members can make the scraper 400 abut against the bottom wall of the box through the chain 300. Under this kind of arrangement form, the coal scraping mechanism is in the course of the work, and when chain 300 and scraper blade 400 received the effort come-up of the coal of feeder bottom of the box body, the piece of pushing down can exert down force to chain 300 to make chain 300 and scraper blade 400 on it press close to the bottom wall of the feeder box body, and then can effectively avoid scraper blade 400 to float on the coal and can't scrape the emergence that the coal leads to the phenomenon of feeder box body bottom wall residual coal.
Specifically, in this embodiment, the scrapers 400 are vertically connected between the two chains 300; the pushing down pieces are arranged in groups, each group of pushing down pieces comprises two pushing down pieces, and the arrangement direction of the two pushing down pieces is perpendicular to the conveying direction of coal. Under the arrangement mode, in the process that the chain 300 rotates around the first chain wheel 100 and the second chain wheel 200, the two ends of the scraper 400 close to the bottom wall of the coal feeder box body can be simultaneously subjected to the downward pressure of the downward pressing piece, so that the phenomenon that one end of the scraper 400 floats on coal can be effectively avoided.
More specifically, in the present embodiment, the number of the pressing members is one group. However, it should be noted that in other embodiments of the present application, the number of the push-down members is not limited to one group, but the user may set an appropriate number of push-down members according to the length of the coal conveying path, for example: the quantity of holding down pieces can be three groups, and three groups of holding down pieces evenly set up in two lateral walls of feeder box along the direction of delivery of coal. Through addding the quantity that pushes down the piece, can further guarantee to rotate to the chain 300 part that is close to the feeder bottom half and each scraper blade 400 on it and lean on the feeder bottom half wall in the in-process homoenergetic of carrying coal, thereby guarantee the clearance effect to feeder bottom half coal.
Fig. 2 is a schematic structural diagram of a pressing plate of the coal scraping mechanism provided in this embodiment.
Specifically, in the present embodiment, as shown in fig. 1 and 2, the pressing member is a pressing plate 500. The structure of the pressing plate 500 is simple.
Specifically, in the present embodiment, continuing with fig. 2, the platen 500 includes a body 510, and the body 510 has a first end 511 and a second end 512 along the conveying direction of the coal, and the first end 511 is bent away from the chain 300. With this arrangement, when the chain 300 is rotated to the pressing plate 500, the bent first end 511 guides the chain 300, thereby facilitating the chain 300 to smoothly reach the lower side of the body 510.
Further, in the present embodiment, the second end 512 is curved away from the chain 300.
Preferably, both ends of the body 510 of the pressing plate 500 are symmetrical. The arrangement enables the pressing plates 500 mounted on both sides of the coal feeder box to have the same structure, so that the pressing plates can be used universally, and the design and manufacturing processes are simplified.
Specifically, in the present embodiment, as shown in fig. 1 and 2, a side of the pressing plate 500 away from the chain 300 is provided with a reinforcing rib 520, and the reinforcing rib 520 can be fixedly connected to a side wall of the box body. When the coal scraping mechanism is installed, the reinforcing ribs 520 are fixedly connected to the side wall of the box body and the body 510, so that the connection area between the pressing plate 500 and the side wall of the box body is increased, the connection strength between the pressing plate 500 and the side wall of the box body can be increased, and the connection firmness of the pressing plate 500 can be improved.
Specifically, in the present embodiment, the pressing plate 500 is provided with two reinforcing ribs 520, and the two reinforcing ribs 520 are gradually close in a direction away from the chain 300. Under the arrangement, along the direction far away from the chain 300, the reinforcing rib close to the first end 511 of the body 510 is gradually far away from the bent first end 511, and the reinforcing rib close to the second end 512 of the body 510 is gradually far away from the bent second end 512, so that the reinforcing rib 520 is convenient to be fixedly connected to the side wall of the coal feeder box.
It should be noted that in other embodiments of the present application, the number of the reinforcing ribs 520 is not limited to two, for example: the number of the reinforcing ribs 520 may also be three; further, the arrangement direction of the reinforcing ribs 520 is not limited to the above form, for example: each reinforcing rib 520 may extend in a direction away from the chain 300. That is, the present application may not limit the number and specific arrangement direction of the reinforcing ribs 520 as long as it can increase the connection strength of the pressing plate 500 and the coal feeder case and improve the connection firmness of the pressing plate 500.
The present embodiment also provides a coal feeder comprising a casing and the coal scraping mechanism of the present embodiment, wherein the scraper 400 of the coal scraping mechanism is disposed against a bottom wall of the casing.
The coal feeder that this embodiment provided, owing to set up and scrape the coal mechanism, so be difficult for remaining coal in the bottom of box, and the coal is carried while clearing up the box bottom, does not influence the normal operating of coal feeder, labour saving and time saving.
Specifically, in the present embodiment, the pressing plate 500 may be welded to the sidewall of the case. The operation is simple, and the fixing of the pressing plate 500 is firm.
Example two
Fig. 3 is a schematic partial structural view of the coal scraping mechanism provided in this embodiment.
The present embodiment also provides a coal scraping mechanism, and the coal scraping mechanism provided in the present embodiment is different from the coal scraping mechanism provided in the first embodiment only in that: in this embodiment, the hold-down member is an intermediate sprocket 600, as shown in FIG. 3. In this arrangement, the middle sprocket 600 holds the scraper 400 against the bottom wall of the box by the chain 300.
Specifically, in the present embodiment, the intermediate sprocket 600, the first sprocket 100, and the second sprocket 200 are identical in structure. The middle sprocket 600 can support the chain 300 above the middle sprocket while applying downward pressure to the chain 300 below the middle sprocket, so that the sinking of the chain 300 above the middle sprocket can be effectively avoided.
Specifically, in this embodiment, the intermediate sprocket 600 is connected to the side wall of the casing through a rotating shaft, and the intermediate sprocket 600 can rotate around the axis of the rotating shaft.
Preferably, a bearing is mounted on the rotating shaft, and the intermediate sprocket 600 is mounted to the rotating shaft through the bearing.
The present embodiment also provides a coal feeder comprising a casing and the coal scraping mechanism of the present embodiment, wherein the scraper 400 of the coal scraping mechanism is disposed against a bottom wall of the casing.
The coal feeder provided by the embodiment has all the advantages of the coal feeder provided by the embodiment one, and therefore, the description thereof is omitted.
Finally, it is further noted that, herein, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A coal scraping mechanism is characterized by comprising a driving component, a first chain wheel (100), a second chain wheel (200), two chains (300) and a plurality of scraping plates (400);
the first chain wheel (100) is in transmission connection with the driving assembly;
the second chain wheel (200) is in transmission connection with the first chain wheel (100) through two chains (300);
one chain (300) of the two chains (300) is tightly wound on a first end of the first chain wheel (100) and a first end of the second chain wheel (200), and the other chain (300) is tightly wound on a second end of the first chain wheel (100) and a second end of the second chain wheel (200);
the scrapers (400) are connected between the two chains (300) and are spaced from each other, and the scrapers (400) can scrape accumulated coal at the bottom of a coal feeder box body;
along the direction of delivery of coal, the both sides of box all are provided with at least one and push down the piece, it can pass through to push down the piece the chain makes the scraper blade with the diapire of box pastes and leans on.
2. The coal scraping mechanism as claimed in claim 1, characterized in that the scraper (400) is vertically connected between two chains (300); the pushing down pieces are arranged in groups, each group of pushing down pieces comprises two pushing down pieces and two pushing down pieces, and the arrangement direction of the pushing down pieces is perpendicular to the conveying direction of coal.
3. A coal scraping mechanism according to claim 1 or 2, characterized in that the press-down member is a press plate (500).
4. A coal scraping mechanism according to claim 3, characterized in that the press plate (500) comprises a body (510), the body (510) having a first end (511) and a second end (512) in the conveying direction of the coal, the first end (511) being curved away from the chain (300).
5. The coal scraping mechanism of claim 4, wherein the second end (512) is curved away from the chain (300).
6. The coal scraping mechanism of claim 5, characterized in that a side of the pressure plate (500) far away from the chain (300) is provided with a reinforcing rib (520), and the reinforcing rib (520) can be fixedly connected with a side wall of the box body.
7. Coal scraping mechanism according to claim 6, characterized in that the press plate (500) is provided with two of said reinforcing ribs (520), and that the two reinforcing ribs (520) are gradually closer together in a direction away from the chain (300).
8. A coal scraping mechanism according to claim 1 or 2, characterized in that the hold-down member is an intermediate sprocket (600).
9. A coal feeder, characterized in that it comprises a casing and a coal scraping mechanism according to any one of claims 1-8, the scraper (400) of the coal scraping mechanism being arranged against the bottom wall of the casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022662359.9U CN215100280U (en) | 2020-11-17 | 2020-11-17 | Coal scraping mechanism and coal feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022662359.9U CN215100280U (en) | 2020-11-17 | 2020-11-17 | Coal scraping mechanism and coal feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215100280U true CN215100280U (en) | 2021-12-10 |
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ID=79261853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022662359.9U Active CN215100280U (en) | 2020-11-17 | 2020-11-17 | Coal scraping mechanism and coal feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215100280U (en) |
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2020
- 2020-11-17 CN CN202022662359.9U patent/CN215100280U/en active Active
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