CN203638448U - Scraper of raw coal silo blockage removal and prevention machine - Google Patents
Scraper of raw coal silo blockage removal and prevention machine Download PDFInfo
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- CN203638448U CN203638448U CN201320822557.4U CN201320822557U CN203638448U CN 203638448 U CN203638448 U CN 203638448U CN 201320822557 U CN201320822557 U CN 201320822557U CN 203638448 U CN203638448 U CN 203638448U
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- knife edge
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- edge body
- blade bodies
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Abstract
The utility model relates to a scraper of a raw coal silo blockage removal and prevention machine, and belongs to the field of material silo blockage removal devices. The scraper is designed in a split mode and divided into an upper scraper body and a lower scraper body. The upper scraper body comprises a cuboid-shaped upper installing plate and an upper blade body, upper installing holes are formed in the surface formed by the long sides and the wide sides of the upper installing plate, the top face of the upper blade body is parallel to the bottom face of the upper blade body, the shape of the cross section of the upper blade body is formed by a rectangle and an isosceles trapezoid with the long sides of the rectangle as the bottoms, the lengths of the upper bottom and the lower bottom of the isosceles trapezoid and the height of the cross section of the upper blade body gradually decrease in the direction from the bottom face of the upper blade body to the top face of the upper blade body, the surface formed by the wide sides and the high sides of the upper installing plate is connected with the bottom face of the upper blade body, a certain break angle is formed between the upper installing plate and the upper blade body, the height of the bottom face of the cross section of the upper blade body and the height of the upper installing plate are the same, and the lower scraper body and the upper scraper body are the same in shape. The scraper has the advantages of being convenient to install, easy to replace, low in cost, good in processing property, and capable of saving parts.
Description
Technical field
The utility model belongs to material bin block clearing apparatus field, relates in particular to a kind of run coal bin block clearing anti-blockage machine scraper.
Background technology
Thermal electric generation unit is in operation, and often there is chute blockage in run coal bin, the coal phenomenon of breaking, particularly in the situation that rainy season, winter, ature of coal variation and different fuel are mixed burning, sometimes there is 3～4 run coal bins of unit situation of disconnected coal simultaneously, unit is forced to removal of load, throws the steady combustion of oil, even there is fire extinguishing, the consequence of the disconnected coal of run coal bin is very serious, has a strong impact on power plant and normally runs.
What the scraper type run coal bin block clearing anti-blockage machine of current domestic use adopted is integral type scraper, the defect of this design has two aspects, on the one hand, integral type scraper body length is long, in the time of assembling, gap between the anti-blocking inwall of whole cutter hub and run coal bin block clearing is not easy to adjust evenly, on the other hand, because the warehouse of scraper type run coal bin block clearing anti-blockage machine is all to adopt conical design, in the pressure ratio of following warehouse the pressure of warehouse large, thereby in scraper part proportion by subtraction in lower warehouse, the speed of the blade wears in warehouse is fast, the wearing and tearing of warehouse part under due to integral type scraper, whole scraper need to be replaced, cause the raising of cost of parts, last aspect, the angle of integral type scraper know be not easy control, the manufacturing cost of the integral type scraper of a high-quality is higher.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art and a kind of run coal bin block clearing anti-blockage machine scraper of providing.
The utility model is achieved in that a kind of run coal bin block clearing anti-blockage machine scraper, it is characterized in that: described run coal bin block clearing anti-blockage machine scraper is split-type design, is divided into upper knife body and lower knife body;
Described upper knife body comprises upper mounting plate and upper knife edge body, upper mounting plate is cuboid, on the long limit of upper mounting plate and the surface that broadside forms, be provided with the upper mounting hole of breakthrough status before and after being, the end face of upper knife edge body is parallel with bottom surface, the shape of cross section parallel with upper knife edge body bottom surface forms by oblong with taking the long limit of oblong as the isosceles trapezoid at the end, isosceles trapezoid upper base and the length of going to the bottom reduce to end face direction gradually along the bottom surface of upper knife edge body, the height of the cross-sectional plane of upper knife edge body reduces to end face direction gradually along the bottom surface of upper knife edge body, the surface that the broadside of upper mounting plate forms with flash is connected with the bottom surface of upper knife edge body, wherein in upper knife edge body bottom surface, the upper base of isosceles trapezoid overlaps with a broadside of upper mounting plate, in upper knife edge body, in the face of this coincidence broadside of process and upper mounting plate, there is certain angle through between the face on this broadside limit that overlaps, the height of upper knife edge body cross-sectional plane bottom surface equates with the height of upper mounting plate,
Described lower knife body comprises lower installation board and lower blade bodies, lower installation board is cuboid, the lower mounting hole of breakthrough status before and after the long limit of lower installation board and the surface that broadside forms are arranged with and are, the end face of lower blade bodies is parallel with bottom surface, the shape of cross section parallel with lower blade bodies bottom surface forms by oblong with taking the long limit of oblong as the isosceles trapezoid at the end, the isosceles trapezoid length of going to the bottom and go to the bottom reduces to end face direction gradually along the bottom surface of lower blade bodies, the height of the cross-sectional plane of lower blade bodies reduces to end face direction gradually along the bottom surface of upper knife edge body, the surface that the broadside of lower installation board forms with flash is connected with the bottom surface of lower blade bodies, wherein descend going to the bottom of isosceles trapezoid in blade bodies bottom surface to overlap with a broadside of lower installation board, in lower blade bodies, in the face of this coincidence broadside of process and lower installation board, there is certain angle through between the face on this broadside limit that overlaps, the height of lower blade bodies cross-sectional plane bottom surface equates with the height of lower installation board.
The length of the upper mounting plate of described upper knife edge body is 352mm, the wide 200mm of being, the high 80mm of being; The number of upper mounting hole is 9, and the diameter of upper mounting hole is 22mm; The length of upper knife edge body bottom surface isosceles trapezoid upper base is 60mm, and the length of upper knife edge body end face isosceles trapezoid upper base is 10cm, and the length that upper knife edge body end face isosceles trapezoid is gone to the bottom is 100cm; Rectangular height in the cross-sectional plane parallel with upper knife edge body bottom surface is 10mm, and the height of upper knife edge body end face is 60cm, and the height of upper knife edge body bottom surface is 80cm; Upper knife edge body bottom surface isosceles trapezoid upper base is 800mm to the length between going to the bottom; In upper knife edge body, in the face of this coincidence broadside of process and upper mounting plate, it is 14.79 ° through the angle existing between the face on this broadside limit that overlaps.
The length of the lower installation board of described lower blade bodies is 300mm, the wide 200mm of being, the high 80mm of being; The number of lower mounting hole is 9, and the diameter of lower mounting hole is 22mm; The length of lower blade bodies bottom surface isosceles trapezoid upper base is 60mm, and the length of lower blade bodies end face isosceles trapezoid upper base is 10cm, and the length that lower blade bodies end face isosceles trapezoid is gone to the bottom is 100cm; Rectangular height in the cross-sectional plane parallel with lower blade bodies bottom surface is 10mm, and the height of lower blade bodies bottom surface is 60cm, and the height of upper knife edge body bottom surface is 80cm; Lower blade bodies bottom surface isosceles trapezoid upper base is 853mm to the length between going to the bottom; In lower blade bodies, in the face of this coincidence broadside of process and lower installation board, it is 15.87 ° through the angle existing between the face on this broadside limit that overlaps.
The utility model is compared with former technology, adopt split type scraper, in upper warehouse, upper knife body is installed, lower warehouse is provided with lower knife body, therefore, on, lower knife body can be changed separately according to wear pattern, thereby saving part cost uses, in addition, the length separately of upper knife body and lower knife body is with respect to short many of the length of integral type scraper, thereby in assembling, can adjust respectively the gap between the anti-blocking inwall of cutter hub and run coal bin block clearing, make gap even, lower knife body is shorter compared with upper knife body, knife face angle is large a little, lower knife body have simultaneously cutting and under push away the effect of raw coal, raw coal is moved downward, form and force conveying system, finally, due to split-type design, on, lower knife body is separately produced, angle separately is more easily controlled, the cost step-down of production high-quality scraper.
Brief description of the drawings
Fig. 1 is that schematic diagram is looked on a left side of the present utility model.
Fig. 2 is that the master of upper knife body in the utility model looks schematic diagram.
Fig. 3 is that schematic diagram is looked on a left side for upper knife body in the utility model.
Fig. 4 is the A-A schematic diagram of upper knife body in the utility model in Fig. 2.
Fig. 5 is that the master of lower knife body in the utility model looks schematic diagram.
Fig. 6 is that schematic diagram is looked on a left side for lower knife body in the utility model.
Fig. 7 is the B-B schematic diagram of lower knife body in the utility model in Fig. 5.
Detailed description of the invention
As shown in Figure 1, a kind of run coal bin block clearing anti-blockage machine scraper, adopts split-type design, is divided into upper knife body 1 and lower knife body 2;
As Fig. 2, shown in Fig. 3 and Fig. 4, described upper knife body 1 comprises upper mounting plate 3 and upper knife edge body 4, upper mounting plate 3 is cuboid, the length of upper mounting plate 3 is 352mm, wide is 200mm, height is 80mm, on the long limit of upper mounting plate 3 and the surface that broadside forms, be provided with the upper mounting hole 5 of breakthrough status before and after being, the number of upper mounting hole 5 is 9, the diameter of upper mounting hole 5 is 22mm, the end face of upper knife edge body 2 is parallel with bottom surface, the shape of cross section parallel with upper knife edge body 2 bottom surfaces forms by oblong with taking the long limit of oblong as the isosceles trapezoid at the end, rectangular height is 10mm, isosceles trapezoid upper base and the length of going to the bottom reduce to end face direction gradually along the bottom surface of upper knife edge body, the length of upper knife edge body 4 bottom surface isosceles trapezoid upper bases is 60mm, the length of upper knife edge body 4 end face isosceles trapezoid upper bases is 10cm, the length that upper knife edge body 4 end face isosceles trapezoids are gone to the bottom is 100cm, the height of the cross-sectional plane of upper knife edge body 4 reduces to end face direction gradually along the bottom surface of upper knife edge body 4, the height of upper knife edge body 4 bottom surfaces is 80cm, the height of upper knife edge body 4 end faces is 60cm, the surface that the broadside of upper mounting plate 3 forms with flash is connected with the bottom surface of upper knife edge body 4, wherein in upper knife edge body 4 bottom surfaces, the upper base of isosceles trapezoid and a broadside of upper mounting plate 3 overlap, in upper knife edge body 4 through the face of this coincidence broadside with in upper mounting plate 3, pass through that between the face on this broadside limit that overlaps, to have angle be the angle of 14.79 °, upper knife edge body 4 bottom surface isosceles trapezoid upper bases are 800mm to the length between going to the bottom.
As Fig. 5, shown in Fig. 6 and Fig. 7, described lower knife body 2 comprises lower installation board 6 and lower blade bodies 7, lower installation board 6 is cuboid, the length of lower installation board 6 is 352mm, wide is 200mm, height is 80mm, on the long limit of lower installation board 6 and the surface that broadside forms, be provided with the lower mounting hole 8 of breakthrough status before and after being, the number of lower mounting hole 8 is 9, the diameter of lower mounting hole 8 is 22mm, the end face of lower blade bodies 7 is parallel with bottom surface, the shape of cross section parallel with lower blade bodies 7 bottom surfaces forms by oblong with taking the long limit of oblong as the isosceles trapezoid at the end, rectangular height is 10mm, isosceles trapezoid upper base and the length of going to the bottom reduce to end face direction gradually along the bottom surface of upper knife edge body, the length of lower blade bodies 7 bottom surface isosceles trapezoid upper bases is 60mm, the length of lower blade bodies 7 end face isosceles trapezoid upper bases is 10cm, the length that lower blade bodies 7 end face isosceles trapezoids are gone to the bottom is 100cm, the height of the cross-sectional plane of lower blade bodies 7 reduces to end face direction gradually along the bottom surface of lower blade bodies 7, the height of lower blade bodies 7 bottom surfaces is 80cm, the height of lower blade bodies 7 end faces is 60cm, the surface that the broadside of lower installation board 6 forms with flash is connected with the bottom surface of lower blade bodies 7, wherein descend the upper base of isosceles trapezoid in blade bodies 7 bottom surfaces and a broadside of lower installation board 6 to overlap, in lower blade bodies 7 through the face of this coincidence broadside with in lower installation board 6, pass through that between the face on this broadside limit that overlaps, to have angle be the angle of 14.79 °, lower blade bodies 7 bottom surface isosceles trapezoid upper bases are 800mm to the length between going to the bottom.
Claims (3)
1. a run coal bin block clearing anti-blockage machine scraper, is characterized in that: described run coal bin block clearing anti-blockage machine scraper is split-type design, is divided into upper knife body and lower knife body;
Described upper knife body comprises upper mounting plate and upper knife edge body, upper mounting plate is cuboid, on the long limit of upper mounting plate and the surface that broadside forms, be provided with the upper mounting hole of breakthrough status before and after being, the end face of upper knife edge body is parallel with bottom surface, the shape of cross section parallel with upper knife edge body bottom surface forms by oblong with taking the long limit of oblong as the isosceles trapezoid at the end, isosceles trapezoid upper base and the length of going to the bottom reduce to end face direction gradually along the bottom surface of upper knife edge body, the height of the cross-sectional plane of upper knife edge body reduces to end face direction gradually along the bottom surface of upper knife edge body, the surface that the broadside of upper mounting plate forms with flash is connected with the bottom surface of upper knife edge body, wherein in upper knife edge body bottom surface, the upper base of isosceles trapezoid overlaps with a broadside of upper mounting plate, in upper knife edge body, in the face of this coincidence broadside of process and upper mounting plate, there is certain angle through between the face on this broadside limit that overlaps, the height of upper knife edge body cross-sectional plane bottom surface equates with the height of upper mounting plate,
Described lower knife body comprises lower installation board and lower blade bodies, lower installation board is cuboid, the lower mounting hole of breakthrough status before and after the long limit of lower installation board and the surface that broadside forms are arranged with and are, the end face of lower blade bodies is parallel with bottom surface, the shape of cross section parallel with lower blade bodies bottom surface forms by oblong with taking the long limit of oblong as the isosceles trapezoid at the end, the isosceles trapezoid length of going to the bottom and go to the bottom reduces to end face direction gradually along the bottom surface of lower blade bodies, the height of the cross-sectional plane of lower blade bodies reduces to end face direction gradually along the bottom surface of upper knife edge body, the surface that the broadside of lower installation board forms with flash is connected with the bottom surface of lower blade bodies, wherein descend going to the bottom of isosceles trapezoid in blade bodies bottom surface to overlap with a broadside of lower installation board, in lower blade bodies, in the face of this coincidence broadside of process and lower installation board, there is certain angle through between the face on this broadside limit that overlaps, the height of lower blade bodies cross-sectional plane bottom surface equates with the height of lower installation board.
2. run coal bin block clearing anti-blockage machine scraper according to claim 1, is characterized in that: the length of the upper mounting plate of described upper knife edge body is 352mm, the wide 200mm of being, the high 80mm of being; The number of upper mounting hole is 9, and the diameter of upper mounting hole is 22mm; The length of upper knife edge body bottom surface isosceles trapezoid upper base is 60mm, and the length of upper knife edge body end face isosceles trapezoid upper base is 10cm, and the length that upper knife edge body end face isosceles trapezoid is gone to the bottom is 100cm; Rectangular height in the cross-sectional plane parallel with upper knife edge body bottom surface is 10mm, and the height of upper knife edge body end face is 60cm, and the height of upper knife edge body bottom surface is 80cm; Upper knife edge body bottom surface isosceles trapezoid upper base is 800mm to the length between going to the bottom; In upper knife edge body, in the face of this coincidence broadside of process and upper mounting plate, it is 14.79 ° through the angle existing between the face on this broadside limit that overlaps.
3. run coal bin block clearing anti-blockage machine scraper according to claim 1, is characterized in that: the length of the lower installation board of described lower blade bodies is 300mm, the wide 200mm of being, the high 80mm of being; The number of lower mounting hole is 9, and the diameter of lower mounting hole is 22mm; The length of lower blade bodies bottom surface isosceles trapezoid upper base is 60mm, and the length of lower blade bodies end face isosceles trapezoid upper base is 10cm, and the length that lower blade bodies end face isosceles trapezoid is gone to the bottom is 100cm; Rectangular height in the cross-sectional plane parallel with lower blade bodies bottom surface is 10mm, and the height of lower blade bodies bottom surface is 60cm, and the height of upper knife edge body bottom surface is 80cm; Lower blade bodies bottom surface isosceles trapezoid upper base is 853mm to the length between going to the bottom; In lower blade bodies, in the face of this coincidence broadside of process and lower installation board, it is 15.87 ° through the angle existing between the face on this broadside limit that overlaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320822557.4U CN203638448U (en) | 2013-12-16 | 2013-12-16 | Scraper of raw coal silo blockage removal and prevention machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320822557.4U CN203638448U (en) | 2013-12-16 | 2013-12-16 | Scraper of raw coal silo blockage removal and prevention machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203638448U true CN203638448U (en) | 2014-06-11 |
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ID=50869712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320822557.4U Expired - Fee Related CN203638448U (en) | 2013-12-16 | 2013-12-16 | Scraper of raw coal silo blockage removal and prevention machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203638448U (en) |
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2013
- 2013-12-16 CN CN201320822557.4U patent/CN203638448U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20191216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |