CN220371593U - Coal piling protection device for classifying screen blanking port - Google Patents
Coal piling protection device for classifying screen blanking port Download PDFInfo
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- CN220371593U CN220371593U CN202321082572.XU CN202321082572U CN220371593U CN 220371593 U CN220371593 U CN 220371593U CN 202321082572 U CN202321082572 U CN 202321082572U CN 220371593 U CN220371593 U CN 220371593U
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- protection device
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- classifying screen
- closed switch
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- 239000003245 coal Substances 0.000 title claims abstract description 59
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 230000000007 visual effect Effects 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000035945 sensitivity Effects 0.000 description 3
- 238000012216 screening Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000005065 mining 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
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of coal piling protection of a blanking port, and discloses a coal piling protection device of a classifying screen blanking port, which comprises a protection device main body, a connecting plate and a normally closed switch, wherein the top of the protection device main body is fixedly connected with the connecting plate, the middle part of the top of the connecting plate is fixedly connected with the normally closed switch, the middle part of the inner side bottom of the protection device main body is fixedly connected with a through groove, the protection device main body is arranged at the position of two hundred millimeters of the blanking port of the raw coal classifying screen, a coal piling contact is a ball contact, the normally closed switch is connected with a centralized control system, the centralized control system integrates all equipment of a ground production system into a whole by adopting PLC programming, the formed visual operation system is connected with the centralized control system, all equipment after the classifying screen and the classifying screen are disconnected, the protection device function is achieved, and the protection device main body and the centralized control system are in protection association, and the protection device function is achieved.
Description
Technical Field
The utility model relates to the technical field of coal piling protection of feed openings, in particular to a coal piling protection device for a feed opening of a classifying screen.
Background
The classifying screen is mechanical equipment for classifying materials by utilizing vibration generated by a vibrating motor and a spring, and is mainly used for mineral separation flow in mining; the method is widely applied to grading screening of finished compound fertilizers, and is also applicable to screening and grading of raw materials and finished products in various industries such as grains, foods, chemical industry, sugar production, mines, coal mines, metallurgy, papermaking and the like.
The existing raw coal classifying screen blanking opening is easy to cause coal accumulation due to untimely treatment in the working process, excessive coal accumulation and equipment always operates, equipment damage and excessive coal accumulation are easy to cause.
Therefore, how to design a coal piling protection device for a classifying screen blanking port becomes a problem which needs to be solved currently.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a coal piling protection device for a classifying screen blanking port, which solves the problem that equipment is always damaged due to excessive coal piling.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hierarchical sieve feed opening heap coal protection device, includes protection device main part, connecting plate and normally closed switch, the top fixedly connected with connecting plate of protection device main part, the top middle part fixedly connected with normally closed switch of connecting plate, the inboard bottom middle part fixedly connected with logical groove of protection device main part, the inside overlap joint of logical groove links to each other has the heap coal contact.
Preferably, the protection device main body is arranged at the position of two hundred millimeters of a raw coal classifying screen blanking opening, the coal piling contact is a ball contact, the normally closed switch is connected with a centralized control system, and the centralized control system integrates the on-off, protection, test and the like of all equipment of a ground production system by adopting PLC programming, so that a visual operation system is formed.
Advantageous effects
The utility model provides a grading screen blanking port coal piling protection device, which has the following beneficial effects:
when coal is piled up, coal pushes a coal piling contact (the coal piling contact 5 adopts a ball contact with phi of 200mm to greatly increase the triggering sensitivity when the coal reaches a preset position) to move upwards, when the coal piling contact moves upwards, a closed switch is always disconnected, a centralized control system is connected to the closed switch, after the closed switch is disconnected, all equipment behind a classifying screen and the classifying screen stops moving, the protection equipment function is achieved, a protection device main body is in protection association with the centralized control system, the protection equipment function is achieved, the equipment failure rate is reduced, and the production efficiency of an opencut coal mine is increased.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic view of the overall inner structure of the present utility model.
In the figure: 1. a protective device body; 2. a connecting plate; 3. a normally closed switch; 4. a through groove; 5. coal piling contact.
Description of the embodiments
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby a feature defining "first," "second," or the like, may explicitly or implicitly include one or more such features, and in the description of the present utility model, a "plurality" means two or more, unless otherwise specifically limited.
Referring to fig. 1-2, the present utility model provides the following technical solutions: the utility model provides a hierarchical sieve feed opening heap coal protection device, includes protection device main part 1, connecting plate 2 and normally closed switch 3, and the top fixedly connected with connecting plate 2 of protection device main part 1, the top middle part fixedly connected with normally closed switch 3 of connecting plate 2, the inboard bottom middle part fixedly connected with logical groove 4 of protection device main part 1, the inside overlap joint of logical groove 4 is connected with heap coal contact 5.
Preferably, the protection device main body 1 is arranged at the position of two hundred millimeters of the raw coal classifying screen blanking opening, the coal piling contact 5 is a ball contact, the normally closed switch 3 is connected into the centralized control system, the centralized control system adopts PLC programming to integrate all equipment of a ground production system with on-off, protection, test and the like, the formed visual operation system, the existing raw coal classifying screen blanking opening is easy to cause the condition of coal accumulation due to untimely treatment, the equipment is always operated due to excessive coal accumulation, equipment damage and excessive coal accumulation are easy to cause, by arranging the coal piling contact 5, when the coal is accumulated, the coal pushes the coal piling contact 5 (the triggering sensitivity when the coal is greatly increased by adopting the ball contact with phi 200mm when the coal piling contact 5 reaches a preset position), when the coal piling contact 5 is operated upwards, the normally closed switch 3 is opened, the normally closed switch 3 is connected into the centralized control system, all equipment after the classifying screen and the classifying screen are stopped to operate, the protection equipment function is achieved, the protection device main body 1 is associated with the centralized control system for protection, the protection equipment function is achieved, and the open-air fault efficiency of the equipment is reduced, and the production efficiency of the coal mine is increased.
To sum up, the workflow of the utility model: when coal is piled up, the coal pushes the coal piling contact 5 (the coal piling contact 5 adopts a ball contact with phi of 200mm to greatly increase the triggering sensitivity when the coal reaches a preset position), when the coal piling contact 5 moves upwards, the closed switch 3 is opened, the closed switch 3 is connected with a centralized control system, and after the closed switch is opened, all equipment behind the classifying screen and the classifying screen stops running.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a classifying screen feed opening heap coal protection device, includes protection device main part (1), connecting plate (2) and normally closed switch (3), its characterized in that: the protection device is characterized in that the top of the protection device body (1) is fixedly connected with a connecting plate (2), the middle part of the top of the connecting plate (2) is fixedly connected with a normally closed switch (3), the middle part of the inner bottom of the protection device body (1) is fixedly connected with a through groove (4), and the inside lap joint of the through groove (4) is connected with a coal piling contact (5).
2. The hierarchical sieve feed opening coal pile protection device of claim 1, wherein: the protection device main body (1) is arranged at a position of two hundred millimeters of a raw coal classifying screen blanking opening.
3. The hierarchical sieve feed opening coal pile protection device of claim 1, wherein: the coal piling contact (5) is a ball contact.
4. The hierarchical sieve feed opening coal pile protection device of claim 1, wherein: the normally closed switch (3) is connected to a centralized control system.
5. The hierarchical sieve feed opening heap coal protection device of claim 4, wherein: the centralized control system integrates the start-stop, protection and test of all equipment of the ground production system by adopting PLC programming, and forms a visual operating system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321082572.XU CN220371593U (en) | 2023-05-08 | 2023-05-08 | Coal piling protection device for classifying screen blanking port |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321082572.XU CN220371593U (en) | 2023-05-08 | 2023-05-08 | Coal piling protection device for classifying screen blanking port |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220371593U true CN220371593U (en) | 2024-01-23 |
Family
ID=89568927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321082572.XU Active CN220371593U (en) | 2023-05-08 | 2023-05-08 | Coal piling protection device for classifying screen blanking port |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220371593U (en) |
-
2023
- 2023-05-08 CN CN202321082572.XU patent/CN220371593U/en active Active
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