CN212268387U - Positive and negative rotary-cut device of coal breakage pipe scraper - Google Patents
Positive and negative rotary-cut device of coal breakage pipe scraper Download PDFInfo
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- CN212268387U CN212268387U CN202020856936.5U CN202020856936U CN212268387U CN 212268387 U CN212268387 U CN 212268387U CN 202020856936 U CN202020856936 U CN 202020856936U CN 212268387 U CN212268387 U CN 212268387U
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Abstract
The utility model provides a positive and negative rotary-cut device of coal breakage pipe scraper, including the equipment casing, the equipment casing includes the upper cover, the lower cover and fixing at the upper cover, the side cap between the lower cover, drive arrangement is installed at the upper cover top, drive arrangement's output is connected with the transmission shaft, the bearing is passed through at the transmission shaft both ends and is installed in the equipment casing, the first gear of suit on the transmission shaft, first gear and second gear meshing, the top and the first sleeve of second gear are connected, the bottom is connected with the second sleeve, first sleeve passes through the bearing and installs in the upper cover, the second sleeve passes through the bearing and installs in the lower cover, be equipped with the first scraper that axial extension reaches the first sleeve outside in the first sleeve, be equipped with the second scraper that axial extension extends to the second sleeve outside in the second sleeve. The utility model discloses a scraper that two court opposite direction extend of drive scrapes the clearance to coal breakage pipe inner wall, and is efficient to adopt positive reverse motor as the power supply, can realize that the scraper is forward and reverse to scrape the clearance, the clearance effect is better.
Description
Technical Field
The utility model belongs to the technical field of thermal power plant equipment makes, in particular to positive and negative rotary-cut device of coal breakage pipe scraper.
Background
At present in the raw coal bunker of large-scale thermal power factory, because the place of production of material is different, impurity content is different, viscosity is also different, in-process when the material downward flow in the pipeline, because the size restriction of pipeline itself, and the bonding of buggy, originally loose granule is reunited by the extrusion, the phenomenon of agglomerating appears, the characteristic dimension when agglomerating reaches certain critical value, the jam just takes place easily, cause the fine coal unloading uneven easily, current coal breakage pipe cleaning plug machine can only unidirectional rotation, and can not thoroughly clear away clean coal in coal breakage inside pipe wall bonding raw coal, the more practical coal breakage inside pipe wall cleaning equipment of design is urgently needed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a positive and negative rotary-cut device of coal breakage pipe scraper, it can thoroughly clean up the inner wall of the coal breakage pipe through positive and negative motor drive scraper.
The purpose of the utility model and the technical problem thereof are realized by adopting the following technical scheme. The basis the utility model provides a positive and negative rotary-cut device of coal breakage pipe scraper, including the equipment casing, the equipment casing includes the upper cover, the lower cover and fix at the upper cover, side cap between the lower cover, drive arrangement is installed at the upper cover top, drive arrangement's output is connected with the transmission shaft, the bearing is passed through at the transmission shaft both ends and is installed in the equipment casing, the first gear of suit on the transmission shaft, first gear and second gear meshing, the top and the first sleeve of second gear are connected, the bottom is connected with the second sleeve, first sleeve passes through the bearing and installs in the upper cover, the second sleeve passes through the bearing and installs in the lower cover, be equipped with the first scraper that axial extension reaches the first sleeve outside in the first sleeve, be equipped with the second scraper that axial extension reaches the second sleeve outside in the second sleeve.
The purpose of the utility model is further realized by adopting the following technical measures.
The forward and reverse rotary cutting device for the coal chute scraper comprises a driving device and a driving device, wherein the driving device comprises a motor and a speed reducer which are connected, and a frequency converter is arranged on the motor.
In the forward and reverse rotary cutting device for the coal chute scraper, the outer diameter of the gear of the first gear is smaller than the outer diameter of the gear of the second gear.
In the forward and reverse rotary cutting device for the coal chute scraper, sleeve mounting grooves used for being in interference fit with corresponding sleeves are respectively formed in the top and the bottom of the second gear.
In the positive and negative rotary cutting device for the coal chute scraper, the upper cover is embedded with the first sealing ring in sealing fit with the first sleeve, and the lower cover is embedded with the second sealing ring in sealing fit with the second sleeve.
In the forward and reverse rotary cutting device for the coal chute scraper, the upper cover and the lower cover are connected with the side cover through the bolt and the spring washer.
The positive and negative rotary-cut device of aforementioned coal breakage pipe scraper, wherein first scraper welds inside first sleeve, and the second scraper welds inside the second sleeve.
Borrow by above-mentioned technical scheme, the utility model discloses compact structure, equipment occupation space are little and the quality is light, scrape the clearance to coal breakage pipe inner wall through two scrapers that extend towards opposite direction of drive, and are efficient to adopt positive reverse motor as the power supply, can realize that the scraper is forward or reverse to scrape the clearance, the clearance effect is better.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the second gear in the present invention.
Detailed Description
In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1 to 2, a positive and negative rotary cutting device for a coal chute scraper comprises an equipment housing, the equipment housing comprises an upper cover 1, a lower cover 2 and a side cover 3 fixed between the upper cover and the lower cover, a driving device is installed at the top of the upper cover, the output end of the driving device passes through the upper cover and then is connected with a transmission shaft 4, in this embodiment, the driving device comprises a motor 5 and a reducer 6 which are connected, and a frequency converter 7 is arranged on the motor; 4 both ends of transmission shaft are passed through bearing 8 and are installed in the equipment casing, the first gear of suit 9 on the transmission shaft, first gear and the meshing of second gear 10, the gear external diameter of first gear is less than the gear external diameter of second gear, the top and the first sleeve 11 of second gear are connected, the bottom is connected with second sleeve 12, first sleeve passes through bearing 8 and installs in upper cover 1, the second sleeve passes through bearing 8 and installs in lower cover 2, the welding of first sleeve inner wall is equipped with axial extension to the outer first scraper 13 of first sleeve, the welding of second sleeve inner wall is equipped with axial extension to the outer second scraper 14 of second sleeve, and first scraper is opposite with second scraper extending direction.
In this embodiment, the sleeve mounting groove 15 that is used for with corresponding sleeve interference fit is seted up respectively to the top and the bottom of second gear to realize second gear and correspond telescopic interference fit assembly mode.
Preferably, a first sealing ring 16 which is in sealing fit with the first sleeve is embedded in the upper cover, and a second sealing ring 17 which is in sealing fit with the second sleeve is embedded in the lower cover, so that long-time operation of bearings for fixing the first sleeve and the second sleeve is protected.
Because the utility model discloses be in work under the vibration environment, then upper cover, lower cover all are connected with the side cap through bolt and spring washer, and the not hard up cycle between upper and lower cover and the side cap can greatly be slowed down to the spring washer, has guaranteed the steadiness of equipment casing.
The working principle of the utility model is as follows:
the motor drives the reduction gear and rotates, the reduction gear passes through the transmission shaft and drives first gear revolve, first gear drives second gear revolve, the second gear drives first sleeve and second sleeve and rotates, then first scraper and second scraper rotate thereupon and clean the raw coal scraping that bonds above the coal breakage pipe inner wall, the converter can control the motor and carry out clockwise and anticlockwise rotation and realized just reversing, can be the secondary clean with the scraping of coal breakage pipe inner wall, improved work efficiency.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art can easily modify, change or modify the above embodiments according to the technical spirit of the present invention without departing from the scope of the present invention.
Claims (7)
1. The utility model provides a positive and negative rotary-cut device of coal breakage pipe scraper, includes the equipment casing, and the equipment casing includes upper cover, lower cover and fixes the side cap between upper cover, lower cover, its characterized in that: drive arrangement is installed at the upper cover top, drive arrangement's output is connected with the transmission shaft, the bearing installation is passed through at the transmission shaft both ends in the equipment casing, the first gear of suit on the transmission shaft, first gear and second gear meshing, the top and the first sleeve of second gear are connected, the bottom is connected with the second sleeve, first sleeve passes through the bearing and installs in the upper cover, the second sleeve passes through the bearing and installs in the lower cover, be equipped with axial extension in the first sleeve and extend to the outer first scraper of first sleeve, be equipped with axial extension in the second sleeve and extend to the outer second scraper of second sleeve.
2. The positive and negative rotary cutting device of the coal chute scraper of claim 1, characterized in that: the driving device comprises a motor and a speed reducer which are connected, and a frequency converter is arranged on the motor.
3. The positive and negative rotary cutting device of the coal chute scraper of claim 1, characterized in that: the gear outer diameter of the first gear is smaller than that of the second gear.
4. The positive and negative rotary cutting device of the coal chute scraper of claim 1, characterized in that: the top and the bottom of second gear are seted up respectively and are used for with corresponding sleeve interference fit's sleeve mounting groove.
5. The positive and negative rotary cutting device of the coal chute scraper of claim 1, characterized in that: the upper cover is embedded with a first sealing ring in sealing fit with the first sleeve, and the lower cover is embedded with a second sealing ring in sealing fit with the second sleeve.
6. The positive and negative rotary cutting device of the coal chute scraper of claim 1, characterized in that: the upper cover and the lower cover are connected with the side cover through bolts and spring washers.
7. The positive and negative rotary cutting device of the coal chute scraper of claim 1, characterized in that: the first scraper is welded inside the first sleeve, and the second scraper is welded inside the second sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020856936.5U CN212268387U (en) | 2020-05-20 | 2020-05-20 | Positive and negative rotary-cut device of coal breakage pipe scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020856936.5U CN212268387U (en) | 2020-05-20 | 2020-05-20 | Positive and negative rotary-cut device of coal breakage pipe scraper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212268387U true CN212268387U (en) | 2021-01-01 |
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ID=73878547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020856936.5U Active CN212268387U (en) | 2020-05-20 | 2020-05-20 | Positive and negative rotary-cut device of coal breakage pipe scraper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212268387U (en) |
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2020
- 2020-05-20 CN CN202020856936.5U patent/CN212268387U/en active Active
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