CN206778722U - The spiral scraper of vertical helical centrifuge with cutter discharge of solid - Google Patents

The spiral scraper of vertical helical centrifuge with cutter discharge of solid Download PDF

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Publication number
CN206778722U
CN206778722U CN201720353198.0U CN201720353198U CN206778722U CN 206778722 U CN206778722 U CN 206778722U CN 201720353198 U CN201720353198 U CN 201720353198U CN 206778722 U CN206778722 U CN 206778722U
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China
Prior art keywords
scraper
blade
spiral scraper
solid
spiral
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CN201720353198.0U
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Chinese (zh)
Inventor
伍润保
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ZHUZHOU TIANQIAO SHUNCHEN COAL PREPARATION MACHINERY CO Ltd
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ZHUZHOU TIANQIAO SHUNCHEN COAL PREPARATION MACHINERY CO Ltd
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Priority to CN201720353198.0U priority Critical patent/CN206778722U/en
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Abstract

The spiral scraper of vertical helical centrifuge with cutter discharge of solid, including scraper wheel hub, blade and cone, scraper wheel hub and blade are each attached in cone, it is characterized in that it is characterized in that being equipped with ringfeder on described spiral scraper, the mounting hole swelling of described ringfeder Yu scraper wheel hub coordinates, and positioning hole is provided with the outside of described mounting hole.The positioning connection structure coordinated in the utility model with ringfeder swelling replaces the positioning connection structure of key connection in the prior art, make spiral scraper convenient disassembly simple, by blade and scraper wheel hub rivet welding in cone, the cost of manufacture of spiral scraper can be reduced, increase wear plate on the stress surface of blade, the anti-wear performance of blade is improved, extends the service life of spiral scraper.

Description

The spiral scraper of vertical helical centrifuge with cutter discharge of solid
Technical field
A kind of vertical helical centrifuge with cutter discharge of solid equipment is the utility model is related to, more particularly to a kind of vertical helical is scraped The spiral scraper of knife conveyer centrifugal.
Background technology
During mineral dressing of coal by washing, mineral have concentrate and chats by the main semi-finished product after washing, according to technique and Product requirement, both semi-finished product typically use centrifuge dewatering, to reach the moisture requirement of qualified products.Vertical helical scraper The greatest drawback of conveyer centrifugal is exactly that consumable accessory is more, and the abrasion of especially spiral scraper is more prominent.Centrifuged when coal grain enters Machine and under the influence of centrifugal force attachment carry out dehydration first with basket surface, and spiral scraper is accompanied by the process of dehydration Action of unloading coal, i.e. spiral scraper blade scrapes coal grain from basket surface, coal grain the unloading coal along spiral scraper being scraped Passage down slides and continues to be dehydrated, and eventually disengaging from centrifuge turns into the process of product coal.The passage that coal grain passes through spiral scraper When, because its centrifugal force is larger, the relative sliding velocity between them is also larger, so that spiral scraper crosses coal channel and work It is very fast to make surface wear.Meanwhile conventional helical scraper positioning method is connected using flat key and bolt connection, wherein traditional key Connection is detrimental to the dismounting of parts.
The spiral scraper of vertical helical centrifuge with cutter discharge of solid is mainly monoblock cast part both at home and abroad at present, and its material is ZG35.The maximum drawback of the spiral scraper of the structure type is that spiral scraper wears no resistance, cost of manufacture is high and not easy to assemble.This The spiral scraper of utility model vertical helical centrifuge with cutter discharge of solid is exactly how most to surround rationally solve wearability, reduce cost And disassembly efficiency thinking is improved to design invention.
Utility model content
The defects of the utility model pin is for spiral scraper in the prior art, there is provided a kind of easy to assemble, low manufacture cost and The spiral scraper of the more preferable vertical helical centrifuge with cutter discharge of solid of anti-wear performance.
To reach above-mentioned purpose, the technical solution adopted in the utility model is:The spiral shell of vertical helical centrifuge with cutter discharge of solid Skiving cutter, including scraper wheel hub, blade and cone, scraper wheel hub and blade are each attached in cone, it is characterised in that its feature It is ringfeder is housed on described spiral scraper, the mounting hole swelling of described ringfeder and scraper wheel hub coordinates, described installation Positioning hole is provided with the outside of hole.
Preferably, described mounting hole is made up of upper hole and lower opening, and the diameter in described upper hole is more than the diameter of lower opening, Ringfeder is swollen to be a tight fit in hole.
Preferably, described positioning hole is along the evenly spaced outside for being distributed in mounting hole of mounting hole circumferencial direction.
Preferably, described blade helically arranges being welded on the male cone (strobilus masculinus) of cone of uniformly isolating.
Preferably, described scraper wheel hub is welded to connect with cone top surface.
Preferably, the stress surface of described blade has wear plate.
Preferably, described wear plate is the ceramic wear-resisting piece being bonded on blade stress surface or is welded on blade stress surface Abrasion-resistant metal piece.
The mounting hole and ringfeder of scraper wheel hub in the spiral scraper of vertical helical centrifuge with cutter discharge of solid of the present utility model Swelling coordinates, and positioning hole is opened up on the outside of mounting hole, when installing spiral scraper, first with positioning hole by the beginning of spiral scraper Step is positioned on scraper centrifugal machine, is then tightened the bolt in ringfeder, and installation axle is realized without key with spiral scraper by ringfeder It is coupled, is accurately positioned spiral scraper;The positioning connection structure coordinated with ringfeder swelling replaces determining for key connection in the prior art Position attachment structure, makes spiral scraper convenient disassembly simple, by blade and scraper wheel hub rivet welding in cone, can reduce spiral scraper Cost of manufacture, increase wear plate on the stress surface of blade, improve the anti-wear performance of blade, extend spiral scraper use the longevity Life.
Brief description of the drawings
Fig. 1 is structural representation of the ringfeder on the spiral scraper of vertical helical centrifuge with cutter discharge of solid.
Fig. 2 is the spiral scraper of vertical helical centrifuge with cutter discharge of solid and the equipped schematic diagram of ringfeder.
Fig. 3 is the sectional view of the spiral scraper of vertical helical centrifuge with cutter discharge of solid.
Embodiment
The utility model will be further described by drawings and examples below.
As shown in Figure 1 to Figure 3, the spiral scraper of vertical helical centrifuge with cutter discharge of solid, including scraper wheel hub 1, the and of blade 2 Cone 3, scraper wheel hub 1 and blade 2 are each attached in cone 3, and ringfeder 4 is housed on described spiral scraper, described ringfeder 4 with The swelling of mounting hole 11 of scraper wheel hub 1 coordinates, and the described outside of mounting hole 11 is provided with positioning hole 12.
When the spiral scraper of above-described vertical helical centrifuge with cutter discharge of solid is installed, it is about to spiral scraper and is enclosed on centrifugation In the installation axle of machine, alignd, tentatively spiral scraper is positioned, then with the positioning hole on the outside of installation axle by positioning hole 12 The bolt in ringfeder 4 is tightened, the inner ring of ringfeder 4 is clamped installation axle, outer shroud is mounted hole 12 and clamped, real spiral scraper and peace The keyless joint of axle is filled, is accurately positioned spiral scraper, in use if desired for being dismounted or changed to spiral scraper, As long as unscrew the bolt in ringfeder 4, it is possible to spiral scraper is separated with installation axle, realizes the dismounting of spiral scraper, relative to In the prior art by key connection location and installation axle and the positioning connection structure of spiral scraper, determined using what the swelling of ringfeder 4 coordinated Position attachment structure, makes the simpler convenience of dismounting of screw thread scraping blade, and disassembly efficiency is higher.
Wherein, described mounting hole 11 is made up of upper hole 11.1 and lower opening 11.2, and the diameter in described upper hole 11.1 is more than The diameter of lower opening 11.2, ringfeder 4 is swollen to be a tight fit in hole 11.1, because the diameter of the original mounting hole 11 of scraper wheel hub is too small It can not coordinate with ringfeder, therefore the upper semisection diameter of mounting hole 11 is increased, the structure of hole 11.1 and lower opening 11.2 in formation, side Just mounting hole 11 coordinates with ringfeder 4, and difficulty of processing is small, and scraper wheel hub intensity is unaffected.
Wherein, described positioning hole 12 is along the evenly spaced outside for being distributed in mounting hole 11 of the circumferencial direction of mounting hole 11, It is convenient that Primary Location is carried out to spiral scraper.
Wherein, described blade 2 helically arranges the rivet welding uniformly isolated on the male cone (strobilus masculinus) of cone 3, described scraper Wheel hub 1 is connected with the top surface rivet welding of cone 3.Blade 2 and scraper wheel hub 1 are fixed in cone 3 by way of rivet welding, instead of original The integral casting process come, reduce the cost of manufacture of spiral short sword.
Wherein, the stress surface of described blade 2 has wear plate, and described wear plate is to be bonded on the stress surface of blade 2 Ceramic wear-resisting piece or the abrasion-resistant metal piece being welded on the stress surface of blade 2, the anti-wear performance of blade 2 is improved with wear plate, extended The service life of spiral scraper.
The mounting hole 11 and ringfeder of scraper wheel hub 1 in the spiral scraper of above-described vertical helical centrifuge with cutter discharge of solid 4 swellings coordinate, and open up positioning hole 12 in the outside of mounting hole 11, when installing spiral scraper, first with positioning hole 12 by spiral shell Then skiving cutter Primary Location tightens the bolt in ringfeder 4 on scraper centrifugal machine, installation axle passes through ringfeder with spiral scraper 4 realize keyless joint, are accurately positioned spiral scraper;The positioning connection structure coordinated with the swelling of ringfeder 4 replaces in the prior art The positioning connection structure of key connection, make spiral scraper convenient disassembly simple, can by blade 2 and the rivet welding of scraper wheel hub 1 in cone The cost of manufacture of spiral scraper is reduced, increases wear plate on the stress surface of blade, improves the anti-wear performance of blade, extends spiral The service life of scraper.
Completely description is carried out to the technical scheme of the utility model embodiment, it is necessary to which explanation is to be retouched above in association with accompanying drawing The embodiment stated is only the utility model part of the embodiment, is made common based on the embodiment in the utility model, this area The every other embodiment that technical staff is obtained on the premise of creative work is not made, belong to the utility model guarantor The scope of shield.

Claims (7)

1. the spiral scraper of vertical helical centrifuge with cutter discharge of solid, including scraper wheel hub(1), blade(2)And cone(3), scraper Wheel hub(1)And blade(2)It is each attached to cone(3)On, it is characterised in that ringfeder is housed on described spiral scraper(4), it is described Ringfeder(4)With scraper wheel hub(1)Mounting hole(11)Swelling coordinates, described mounting hole(11)Outside is provided with positioning hole (12).
2. the spiral scraper of vertical helical centrifuge with cutter discharge of solid according to claim 1, it is characterised in that described peace Fill hole(11)By upper hole(11.1)And lower opening(11.2)Composition, described upper hole(11.1)Diameter be more than lower opening(11.2)It is straight Footpath, ringfeder(4)It is swollen to be a tight fit in hole(11.1)In.
3. the spiral scraper of vertical helical centrifuge with cutter discharge of solid according to claim 1, it is characterised in that described determines Position hole(12)Along mounting hole(11)Circumferencial direction is evenly spaced to be distributed in mounting hole(11)Outside.
4. the spiral scraper of vertical helical centrifuge with cutter discharge of solid according to claim 1, it is characterised in that described knife Piece(2)The rivet welding uniformly isolated helically is arranged in cone(3)Male cone (strobilus masculinus) on.
5. the spiral scraper of vertical helical centrifuge with cutter discharge of solid according to claim 1, it is characterised in that described scrapes Break bar hub(1)With cone(3)Top surface rivet welding connects.
6. the spiral scraper of the vertical helical centrifuge with cutter discharge of solid according to any one of claim 1 to 5, it is characterised in that Described blade(2)Stress surface there is wear plate.
7. the spiral scraper of vertical helical centrifuge with cutter discharge of solid according to claim 6, it is characterised in that described is resistance to It is ground to be bonded at blade(2)Ceramic wear-resisting piece on stress surface is welded on blade(2)Abrasion-resistant metal piece on stress surface.
CN201720353198.0U 2017-04-06 2017-04-06 The spiral scraper of vertical helical centrifuge with cutter discharge of solid Active CN206778722U (en)

Priority Applications (1)

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CN201720353198.0U CN206778722U (en) 2017-04-06 2017-04-06 The spiral scraper of vertical helical centrifuge with cutter discharge of solid

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Application Number Priority Date Filing Date Title
CN201720353198.0U CN206778722U (en) 2017-04-06 2017-04-06 The spiral scraper of vertical helical centrifuge with cutter discharge of solid

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110886578A (en) * 2019-12-05 2020-03-17 株洲天桥舜臣选煤机械有限责任公司 Drilling equipment is used in mine engineering blasting

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110886578A (en) * 2019-12-05 2020-03-17 株洲天桥舜臣选煤机械有限责任公司 Drilling equipment is used in mine engineering blasting

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