CN220004344U - Coal blocking plate of spiral propeller of coal mill convenient for fault maintenance - Google Patents
Coal blocking plate of spiral propeller of coal mill convenient for fault maintenance Download PDFInfo
- Publication number
- CN220004344U CN220004344U CN202321336269.8U CN202321336269U CN220004344U CN 220004344 U CN220004344 U CN 220004344U CN 202321336269 U CN202321336269 U CN 202321336269U CN 220004344 U CN220004344 U CN 220004344U
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- Prior art keywords
- coal
- scraping plate
- baffle
- convenient
- propeller
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- 239000003245 coal Substances 0.000 title claims abstract description 193
- 238000012423 maintenance Methods 0.000 title abstract description 15
- 230000000903 blocking effect Effects 0.000 title abstract description 14
- 238000007790 scraping Methods 0.000 claims abstract description 102
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000013024 troubleshooting Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims 2
- 241001330002 Bambuseae Species 0.000 claims 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 2
- 239000011425 bamboo Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000011418 maintenance treatment Methods 0.000 abstract description 2
- 241000252254 Catostomidae Species 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Crushing And Grinding (AREA)
Abstract
The utility model discloses a coal blocking plate of a spiral propeller of a coal mill, which is convenient for fault maintenance, and comprises a center barrel of the coal mill, a rotating shaft of the propeller and a coal blocking plate, wherein the rotating shaft of the propeller is positioned at the center position of the center barrel of the coal mill, the coal blocking plate is arranged at the outer side of the center barrel of the coal mill, and a plurality of groups of coal scraping plates are detachably arranged on the coal blocking plate at equal intervals; and a limiting mechanism for clamping the coal scraping plate is arranged in the coal blocking plate. According to the utility model, the coal scraping plate is clamped by arranging the limiting mechanism in the coal scraping plate, and the coal scraping plate is detachably arranged in the coal scraping plate, so that the convenient disassembly between the coal scraping plate and the coal scraping plate of the spiral propeller is realized, and when the coal scraping plate or the coal scraping plate of the spiral propeller is damaged by faults, the maintenance treatment can be timely performed, the whole replacement is not needed, and the coal scraping plate can be independently replaced, thereby achieving the effect of reducing the maintenance cost, and the maintenance efficiency of the coal scraping plate and the coal scraping plate can be improved.
Description
Technical Field
The utility model relates to the technical field of coal blocking plates of coal mills, in particular to a coal blocking plate of a spiral propeller of a coal mill, which is convenient for fault maintenance.
Background
The coal mill is a machine for crushing and grinding coal blocks into coal powder, is an important auxiliary device of a coal powder furnace, and can solve the problem in the prior art by additionally arranging a coal scraping plate on a coal baffle plate of a spiral propeller of the coal mill because coal is accumulated at the bottom of a hot air box at two ends for a long time and steel plates at the bottom of the hot air box are burnt through, sparks and the like.
In patent literature with publication number of CN211678029U and patent name of coal mill screw propeller coal baffle, a coal mill screw propeller coal baffle and coal scraping plate are disclosed, three coal scraping plates are additionally arranged on the back of the coal mill screw propeller coal baffle, the coal mill screw propeller coal scraping plates are arranged at the end part of a coal mill central cylinder of the coal mill screw propeller, and the three coal scraping plates are uniformly distributed on the whole coal mill screw propeller coal baffle and are mutually separated by 120 degrees, in the above patent literature, the coal scraping plates and the coal scraping plates are connected in a welding mode, so that the disassembly is inconvenient, and once the coal scraping plates or one of the coal scraping plates are damaged, the whole replacement between the coal scraping plates and the coal scraping plates is needed, but the whole replacement mode is time-consuming and labor-consuming, and the fault maintenance quality is reduced and the maintenance cost is increased.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: how to solve the problems of low maintenance quality and high maintenance cost when the coal baffle of the spiral propeller of the existing coal mill breaks down.
In order to solve the technical problems, the utility model provides the following technical scheme:
the coal blocking plate of the spiral propeller of the coal mill is convenient for fault maintenance and comprises a coal mill central cylinder, a propeller rotating shaft and a coal blocking plate, wherein the propeller rotating shaft is positioned at the central position of the coal mill central cylinder, the coal blocking plate is arranged at the outer side of the coal mill central cylinder, and a plurality of groups of coal scraping plates are detachably arranged on the coal blocking plate at equal intervals; and a limiting mechanism for clamping the coal scraping plate is arranged in the coal blocking plate.
According to the utility model, the coal scraping plate is clamped by arranging the limiting mechanism in the coal scraping plate, and the coal scraping plate is detachably arranged in the coal scraping plate, so that the convenient disassembly between the coal scraping plate and the coal scraping plate of the spiral propeller is realized, and when the coal scraping plate or the coal scraping plate of the spiral propeller is damaged by faults, the maintenance treatment can be timely performed, the whole replacement is not needed, and the coal scraping plate can be independently replaced, thereby achieving the effect of reducing the maintenance cost, and the maintenance efficiency of the coal scraping plate and the coal scraping plate can be improved.
As a further scheme of the utility model: the limiting mechanism comprises a fixing groove and a clamping piece, wherein the fixing groove is formed in the coal baffle plate, the fixing groove is formed in one side, facing the coal scraping plate, of the fixing groove, the coal scraping plate can be inserted into the fixing groove from the inserting groove, the clamping piece is arranged in the fixing groove, and the clamping piece can clamp the tail end of the coal scraping plate.
As a further scheme of the utility model: the clamping piece is including guide bar, connecting block and fixed block, the guide bar is installed in the fixed slot, and sliding connection has two sets of connecting blocks on the guide bar, and every connecting block of group is equipped with the fixed block towards one side of scraping the coal board, two sets of the fixed block is followed the both sides of scraping the coal board and is carried out the centre gripping.
As a further scheme of the utility model: and springs are sleeved on the guide rods and positioned on the outer sides of the connecting blocks.
As a further scheme of the utility model: the part of the front end of the fixed block, which is contacted with the coal scraping plate, is arranged in an inclined shape.
As a further scheme of the utility model: and a sucker is arranged on one side of the guide rod, facing the coal scraping plate, and is positioned between the two groups of connecting blocks.
As a further scheme of the utility model: and a protection pad is arranged at the contact position of the inner side of the slot and the coal scraping plate.
Compared with the prior art, the utility model has the beneficial effects that:
firstly, the coal scraping plate is clamped by arranging the limiting mechanism in the coal scraping plate, and the coal scraping plate is detachably arranged in the coal scraping plate, so that the coal scraping plate of the spiral propeller and the coal scraping plate are conveniently detached, overhaul treatment can be timely carried out when the coal scraping plate or the coal scraping plate of the spiral propeller is damaged by faults, the whole replacement is not needed, and the coal scraping plate can be singly replaced, thereby reducing the maintenance cost and improving the overhaul efficiency;
secondly, two groups of fixing blocks for clamping the coal scraping plate are arranged on the guide rod, and the front ends of the fixing blocks are obliquely arranged, so that the coal scraping plate can move freely in the fixing groove; meanwhile, a plurality of groups of suckers are further arranged on the guide rod, when the coal scraping plate stretches into the groove, the tail end of the coal scraping plate can be attached to the suckers, air inside the suckers is extruded out, and then pressure difference is formed between the inside of the suckers and the outside, so that the coal scraping plate is adsorbed and fixed, and the stability of the coal scraping plate in the condition of no stress can be ensured.
Drawings
FIG. 1 is a plan view of a coal mill auger coal baffle for facilitating troubleshooting in accordance with an embodiment of the present utility model;
FIG. 2 is a partial cross-sectional view of an embodiment of the present utility model where a coal deflector and a coal scraper are connected;
FIG. 3 is a top view of FIG. 1 according to an embodiment of the present utility model;
reference numerals illustrate: 1. a coal mill central cylinder; 2. a propeller shaft; 3. a coal baffle plate; 4. a coal scraping plate; 5. a fixing groove; 6. a slot; 7. a protective pad; 8. a guide rod; 9. a connecting block; 10. a spring; 11. a fixed block; 12. and a sucking disc.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 and 2, a coal mill spiral propeller coal baffle convenient for trouble-shooting comprises a coal mill central cylinder 1, a propeller rotating shaft 2, a coal baffle 3 and a coal scraping plate 4, wherein the propeller rotating shaft 2 is positioned at the central position of the coal mill central cylinder 1, the coal baffle 3 is arranged on the outer side of the coal mill central cylinder 1, and a plurality of groups of coal scraping plates 4 are detachably arranged on the coal baffle 3 at equal intervals.
Referring to fig. 1 and 2, a fixing groove 5 is formed in the coal baffle 3, the fixing groove 5 is in a frame-shaped structure, a slot 6 is formed in the direction of the fixing groove 5 towards the coal scraping plate 4, the coal scraping plate 4 can be inserted into the fixing groove 5 from the slot 6, and it is noted that three groups of the coal scraping plates 4 are arranged and are equidistantly distributed on the coal baffle 3, and in the actual use process, the number of groups of the coal scraping plates 4 is specifically arranged, so that the utility model is not limited herein and depends on the actual situation; and each of the coal scraping plates 4 corresponds to one of the fixing grooves 5.
Referring to fig. 2, the inside of the fixed slot 5 is provided with a guide rod 8, two groups of connecting blocks 9 are slidably connected on the guide rod 8, a spring 10 is sleeved on the guide rod 8 and located on the outer side of the connecting blocks 9, one side of each group of connecting blocks 9 facing the coal scraping plate 4 is provided with a fixed block 11, the two groups of fixed blocks 11 can be clamped from two sides of the coal scraping plate 4, the front end of each fixed block 11 is inclined with the contact part of the coal scraping plate 4, the coal scraping plate 4 can be conveniently moved between the two groups of fixed blocks 11 by arranging the front end of each fixed block 11 in an inclined manner, and after the two groups of fixed blocks 11 are moved, the two groups of fixed blocks 11 can squeeze the coal scraping plate 4 under the action of the spring 10, so that the fixation of the coal scraping plate 4 is realized, and the stability of the coal scraping plate 4 is ensured.
Referring to fig. 2, a protection pad 7 is installed at the contact position of the inner side of the slot 6 and the coal scraping plate 4, and by arranging the protection pad 7, friction between the coal scraping plate 4 and the inner wall of the slot 6 during use is avoided, and a certain protection effect is achieved on both the slot 6 and the coal scraping plate 4.
Referring to fig. 2, a sucker 12 is disposed on one side of the guide rod 8 facing the coal scraping plate 4, wherein the sucker 12 is located between the two groups of connecting blocks 9, the sucker 12 is fixedly connected to the outer side of the guide rod 8, when the coal scraping plate 4 stretches into the fixing groove 5, the side surface of the guide rod is attached to the sucker 12, air inside the sucker 12 is extruded, and then a pressure difference is formed between the inside of the sucker 12 and the outside, so that the stability of the coal scraping plate 4 is further ensured.
The specific operation principle of the utility model is as follows: when in use, firstly, the coal baffle 3 and the coal scraping plate 4 are installed, and the installation process is as follows: the coal scraping plates 4 are sequentially inserted into the fixing grooves 5 at different positions through the slots 6 formed in each position, in the process that the coal scraping plates 4 extend into the fixing grooves 5, the coal scraping plates 4 squeeze inclined surfaces of the fixing blocks 11 at two sides in the fixing grooves 5, so that the two side fixing blocks 11 move oppositely and compress the two side fixing springs 10 through the two side connecting blocks 9, the fixing blocks 11 can clamp and fix the coal scraping plates 4 under the elastic action generated when the fixing springs 10 are compressed, and the axial direction of the coal scraping plates 4 is not stressed in the working process, so that the coal scraping plates 4 can be firmly fixed;
when the coal baffle 3 or a certain coal scraping plate 4 is damaged, axial force can be applied to the coal scraping plate 4, so that the coal scraping plate 4 is separated from the coal baffle 3 by overcoming the elastic action of the fixed spring 10, the convenient disassembly between the coal baffle 3 and the coal scraping plate 4 is realized, and the whole replacement is not needed when the coal baffle 3 or the certain coal scraping plate 4 is damaged, so that the maintenance cost is reduced.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. Coal mill screw propeller keeps off coal board convenient to trouble shooting, including coal mill center section of thick bamboo (1), propeller pivot (2) and fender coal board (3), wherein propeller pivot (2) are located the central point of coal mill center section of thick bamboo (1), its characterized in that: the coal baffle (3) is arranged on the outer side of the central cylinder (1) of the coal mill, and a plurality of groups of coal scraping plates (4) are detachably arranged on the coal baffle (3) at equal intervals;
the inside of the coal baffle (3) is provided with a limiting mechanism for clamping the coal scraping plate (4).
2. The coal pulverizer screw propeller coal baffle of convenient to troubleshoot of claim 1, wherein: stop gear is including fixed slot (5) and holder, and wherein fixed slot (5) are seted up in keeping off coal board (3), and slot (6) are seted up towards one side of scraping coal board (4) in fixed slot (5), scrape coal board (4) and can insert in fixed slot (5) from slot (6), the holder is established in fixed slot (5), and the holder can carry out the centre gripping to the end of scraping coal board (4).
3. The coal pulverizer screw propeller coal baffle of convenient to troubleshoot of claim 2, wherein: the clamping piece is including guide bar (8), connecting block (9) and fixed block (11), guide bar (8) are installed in fixed slot (5), and sliding connection has two sets of connecting blocks (9) on guide bar (8), and one side of every connecting block (9) orientation coal scraping plate (4) is equipped with fixed block (11), two sets of fixed block (11) are followed both sides of coal scraping plate (4) and are carried out the centre gripping.
4. The coal pulverizer screw propeller coal baffle of convenient to troubleshoot of claim 3, wherein: the guide rod (8) is positioned on the outer side of the connecting block (9) and is also sleeved with a spring (10).
5. The coal pulverizer screw propeller coal baffle of convenient to troubleshoot of claim 3, wherein: the front end of the fixed block (11) is inclined at the contact part with the coal scraping plate (4).
6. The coal pulverizer screw propeller coal baffle of convenient to troubleshoot of claim 3, wherein: and a sucker (12) is arranged on one side of the guide rod (8) facing the coal scraping plate (4), wherein the sucker (12) is positioned between the two groups of connecting blocks (9).
7. The coal pulverizer screw propeller coal baffle of convenient to troubleshoot of claim 2, wherein: and a protection pad (7) is arranged at the contact position of the inner side of the slot (6) and the coal scraping plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321336269.8U CN220004344U (en) | 2023-05-26 | 2023-05-26 | Coal blocking plate of spiral propeller of coal mill convenient for fault maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321336269.8U CN220004344U (en) | 2023-05-26 | 2023-05-26 | Coal blocking plate of spiral propeller of coal mill convenient for fault maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220004344U true CN220004344U (en) | 2023-11-14 |
Family
ID=88691678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321336269.8U Active CN220004344U (en) | 2023-05-26 | 2023-05-26 | Coal blocking plate of spiral propeller of coal mill convenient for fault maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220004344U (en) |
-
2023
- 2023-05-26 CN CN202321336269.8U patent/CN220004344U/en active Active
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