CN104384011A - Spiral classifier and screw lifting method thereof - Google Patents
Spiral classifier and screw lifting method thereof Download PDFInfo
- Publication number
- CN104384011A CN104384011A CN201410617330.5A CN201410617330A CN104384011A CN 104384011 A CN104384011 A CN 104384011A CN 201410617330 A CN201410617330 A CN 201410617330A CN 104384011 A CN104384011 A CN 104384011A
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- lift
- hollow shaft
- bolt
- worm
- cover
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Abstract
The invention provides a spiral classifier which is characterized in that a lifting device of a gear motor comprises a hollow shaft, a worm wheel and a worm, wherein the internal threads of the hollow shaft are matched with the external threads of a lifting screw; the lower end of the lifting screw is articulated with a spiral main shaft; the spiral main shaft is arranged in a water trough for realizing classification of ores; the inner side of the hollow shaft is provided with the internal threads; the lower end surface of the hollow shaft is in contact with the upper surface of a cushion sleeve; an insert post of the cushion sleeve is inserted into an insert hole of a bearing sleeve along the central line of the bearing sleeve; thrust bearings are arranged between the lower surface of a flange of the cushion sleeve and the upper surface of a bearing sleeve counter base and between the outer side surface of the insert post of the cushion sleeve and the inner side surface of the bearing sleeve counter base; the outer side surface of the insert post of the cushion sleeve is matched with the inner side surface of the insert hole of the bearing sleeve; the worm wheel and the outer side of the hollow shaft are fixed together; the worm is matched with the worm wheel; the worm is coaxial with a driven gear; the driven gear is meshed with a drive gear, and the drive gear is coaxial with an output shaft of the motor. The spiral classifier is simple in structure and high in transmission efficiency.
Description
Technical field
The present invention relates to a kind of spiral classifier, especially there is the spiral classifier of simply compact, that reasonable stress, transmission efficiency are high lifting screw spindle device.
The invention still further relates to a kind of method of lift-bolt of spiral classifier, it adopts simple structure to achieve high efficiency screw rod descending operation.
Prior art
In the spiral classifier of prior art, ore, in the groove with screw spindle, is full of water in groove, when screw spindle rotates time, can move discharge with large ore to the upper end of groove, little particulate ore then overflows from lower end, realizes the object of classification.When overhauling or transship, can mention with lifting device one end by screw spindle, to facilitate maintenance and to avoid causing screw spindle to damage during overload.
According to the lifting device of spiral classifier in prior art, motor drives reductor by shaft coupling, the output shaft of reductor installs a cone pinion, it drives the large bevel gear coordinated with lift-bolt, by the transmission between large and small bevel gear, drives large bevel gear to rotate, and screw rod is promoted, lift-bolt end connects the lower seat of helical axis by pin, and therefore, this helical axis also just follows lift-bolt to improve.Therefore, prior art helical axis lifting device complex structure, drive mechanism is huge, transmission efficiency is low.
In the reductor of existing this pattern, by the pattern of force-output shaft, solid shafting and hollow shaft two kinds can be divided into.Solid shafting is general more common, and the general of hollow shaft just uses in some special places, the place that such as space is smaller.And have in the inner side of the reductor hollow mandrel of this pattern that keyway connects, taper hole connects and to connect with ringfeder etc. several, never hollow shaft is internal thread.
According to technology prejudice in the past, those skilled in the art can not consider to transmit power by threaded engagement on the reductor output hollow shaft of this pattern.The inner side of hollow shaft reducer does not have motion thread to connect, and has three immediate causes at least: motion thread does not belong to fixing connection pattern; The kind of motion thread is a lot, and have different thicknesses tooth, different tooth form, different tooth distance, makes motion thread, and reductor factory can go out a lot of model, and cost is high, and market sale difficulty; Also cost can be made to increase considerably according to nonstandard making; The hollow shaft reducer market demand is few, can not batch making, and price is also more expensive, so reductor factory does not generally produce.
Summary of the invention
The object of this invention is to provide a kind of spiral classifier, its structure is simple, transmission efficiency is high, easy for installation, good reliability, space availability ratio are high, gross weight is little.
Another object of the present invention is to provide a kind of method of lift-bolt of spiral classifier, and it adopts simple structure to achieve high efficiency screw rod descending operation.
For this reason, according to an aspect of the present invention, provide a kind of spiral classifier, it is characterized in that, the lifting device of its reducing motor comprises:
Hollow shaft, the inner side of this hollow shaft is that internal thread matches with lift-bolt external screw thread; Lower end and the screw spindle of lift-bolt are hinged, this screw spindle is placed in the tank realizing ore classification, the lower surface of hollow shaft contacts with the upper surface of cushion cover, the inserting column of cushion cover is along in the jack of the center line insertion bearing holder (housing, cover) of bearing holder (housing, cover), the lower surface of cushion cover flange and bearing holder (housing, cover) sink seat upper surface between and the lateral surface of cushion cover inserting column and bearing holder (housing, cover) sink seat medial surface between be provided with thrust bearing, the outer surface of cushion cover inserting column and the inner surface of bearing holder (housing, cover) jack match;
Worm gear, the outside of itself and hollow shaft is fixed together;
Worm screw, itself and described worm wheel, described worm screw is coaxial with driven gear, and this driven gear engages with driving gear, and this driving gear is coaxial with the output shaft of motor; And
Lift-bolt, its lower end and screw spindle hinged.
Preferably, the outside of described worm gear and hollow shaft is integrated.
Preferably, the outside of described worm gear and hollow shaft is fixed together by key.
Preferably, the endoporus of described cushion cover is unthreaded hole, and the internal diameter of this unthreaded hole is greater than the external diameter of lift-bolt; Or the endoporus of cushion cover is provided with the internal thread identical with the endoporus of hollow shaft.
Preferably, matched by screw thread with the hollow shaft of reducing motor in the upper end of described lift-bolt.
Preferably, the upper end of described lift-bolt is provided with external screw thread.
According to another aspect of the present invention, provide a kind of method of lift-bolt of spiral classifier, it is characterized in that, the hollow output shaft of reducing motor directly coordinates with the external screw thread of lift-bolt and connects, and at the arranged outside worm gear of hollow shaft, the output shaft of motor drives worm screw, when electric machine rotation, drive the hollow output shaft of reducing motor to rotate, just rise with the lift-bolt of hollow output shaft threaded engagement or decline, and lift-bolt drives lifting or the decline of screw spindle; When motor stops, worm and gear self-locking, lift-bolt transfixion.
Preferably, described worm screw is coaxial with driven gear, and this driven gear engages with driving gear, and this driving gear is coaxial with the output shaft of motor.
Preferably, the pulling force suffered by lift-bolt acts on bearing holder (housing, cover) by cushion cover and thrust bearing, and reductor hollow shaft itself is not by axial tension.
Preferably, the endoporus of described cushion cover is unthreaded hole, and the internal diameter of this unthreaded hole is greater than the external diameter of lift-bolt; Or the endoporus of cushion cover is provided with the internal thread identical with the endoporus of hollow shaft.
Instant invention overcomes the prejudice of conventional art, the hollow shaft of Worm reduction motor directly coordinates with the external screw thread of lift-bolt and connects, the reliability of system is provided by the self-locking mechanism of turbine and worm, directly hollow shaft can be passed after lift-bolt being promoted by adopting hollow shaft, thus more reasonably space can be used.
According to the present invention, after starter motor, the hollow shaft of reducing motor is rotated, and its screw thread drives lift-bolt to rise or declines, and lift-bolt drives helical axis to promote or declines.Avoid traditional bevel gear engaging structure, overall structure becomes very simple, and the efficiency of screw-driven is also high.
According to spiral classifier of the present invention, its structure is simple, transmission efficiency is high, easy for installation, good reliability, space availability ratio are high, gross weight is little.
According to the method for the lift-bolt of spiral classifier of the present invention, simple structure is adopted to achieve high efficiency screw rod descending operation.
Accompanying drawing explanation
Fig. 1 is the structural principle schematic diagram according to spiral classifier lifting device of the present invention.
Fig. 2 be in Fig. 1 along A-A to sectional view.
Detailed description of the invention
In the one embodiment of the present of invention shown in Fig. 1-2, Reference numeral 1 represents hollow shaft Worm reduction motor; Reference numeral 2 represents cushion cover; Reference numeral 3 represents thrust bearing; Reference numeral 4 represents bearing holder (housing, cover); Reference numeral 5 represents lift-bolt; Reference numeral 6 represents reductor hollow shaft; Reference numeral 9 represents the worm gear in reducing motor; Reference numeral 7 represents reductor hollow shaft 6 and the worm gear 9 in reducing motor directly key 7; Reference numeral 8 represents the worm screw in reducing motor.
Fixation hollow axle Worm reduction motor 1 on bearing holder (housing, cover) 4, the special endoporus of reducing motor hollow shaft 6 is helicitic texture, directly coordinate with the external screw thread of lift-bolt 5, after hollow shaft Worm reduction motor 1 starts, inner worm screw 8 is driven to rotate, worm screw 8 drives worm gear 9 to rotate, worm gear 9 rotates, and drives and rotates with the hollow shaft 6 that it is connected by key 7, reducing motor hollow shaft 6 is rotated under the effect of screw thread, lift-bolt 5 is driven to rise or decline, lift-bolt 5 is connected in one end of helical axis by pin, the rising of lift-bolt 5 or decline one end lifting or decline that then drive helical axis.When reducing motor 1 stops, the worm and gear self-locking in reducing motor 1, lift-bolt 5 is by slack.
The inner side of the hollow shaft 6 of hollow shaft reducing motor 1 is directly connected by threaded engagement with lift-bolt 5, rises to drive lift-bolt 5 or declines.
Pulling force suffered by lift-bolt 5 acts on bearing holder (housing, cover) 4 by cushion cover 2 and thrust bearing 3, to make reductor hollow shaft 6 not by axial tension.
Particularly, the endoporus of the hollow shaft 6 of hollow shaft Worm reduction motor 1 is provided with internal thread, and this internal thread matches with the external screw thread of lift-bolt 5.
According to the present invention, the method of work of the lifting device 5 of spiral classifier comprises, the hollow shaft 6 of reducing motor directly coordinates with the external screw thread of lift-bolt 5 and connects, after starter motor, the hollow shaft 6 of reducing motor is rotated, and its screw thread drives lift-bolt 5 to rise or decline, and lift-bolt 5 drives helical axis to promote or declines, omit traditional bevel gear engaging structure thus, make overall structure become very simple, the efficiency of screw-driven is also high.
According to the present invention, the key connecting inside traditional reducing motor hollow shaft changes into and being threaded; Pulling force suffered by lift-bolt acts on bearing holder (housing, cover) by cushion cover and thrust bearing, and reductor hollow shaft itself is not by axial tension.
According to spiral classifier of the present invention, it promotes, and screw spindle structure is simple, reasonable stress, transmission efficiency are high.
According to the present invention, provide a kind of spiral classifier, it is characterized in that, the reducing motor output shaft that helical axis promotes is hollow shaft, the inner side of this hollow shaft is internal thread, this internal thread matches with the external screw thread of lift-bolt, and the worm gear in the outside of this hollow shaft and reductor is structure as a whole or is fixed together by key, and the worm gear in this reductor matches with the worm screw in reductor; The lower surface of the hollow shaft of reducing motor contacts with the upper surface of cushion cover; Thrust bearing is provided with between the lower surface of cushion cover and the upper surface of bearing holder (housing, cover); Cushion cover inserts wherein along the central axis of bearing holder (housing, cover), and the outer surface of cushion cover and the inner surface of bearing holder (housing, cover) match.When reducing motor rotates, drive reducing motor output shaft rotation, the lift-bolt coordinated with output shaft just moves up or down, realizes promoting or descending motion.When motor stops, worm and gear self-locking, lift-bolt transfixion.Reducing motor output shaft does not bear axial force, and the lifting force that lift-bolt bears then is born by bearing block by cushion cover.
According to the present invention, the output shaft of Worm reduction motor directly coordinates with the external screw thread of lift-bolt and connects, and after starter motor, the hollow shaft of reducing motor is rotated, its screw thread drives lift-bolt to rise or declines, and lift-bolt drives helical axis to promote or declines.Avoid traditional bevel gear engaging structure, overall structure becomes very simple, and the efficiency of screw-driven is also high.
According to the present invention, reducing motor does not bear axial force, and the lifting force that lift-bolt bears then is born by bearing block by cushion cover.
Preferably, cushion cover is unthreaded hole.
In prior art, the inner side ordinary circumstance of the hollow shaft of reducing motor has keyway connection, taper hole connection connects this several connecting mode with ringfeder, can meet common use needs.In order to realize the present invention, still connect with keyway and add an axle sleeve again, be keyway outside axle sleeve, inner side is screw thread, neither, but speed reducer structure can be made much larger.When same axis size, screw thread can be much little, but reductor is that standard is done by moment of torsion again, and from moment of torsion, reductor that again need not be so large, can cause waste.On the contrary, if screw thread meets the demands, reductor must be larger, and if the large 10mm of axle, reductor must a large order of magnitude, and being reacted to price has significantly increases.So when speed reducer output shaft directly uses motion thread, can be more economical.
In the present invention, directly can pass hollow shaft after adopting hollow shaft that lift-bolt is promoted, thus more reasonably can use space.In addition, the worm-and-wheel gear of employing can realize the self-locking of reductor, that is, after screw rod is thus lifted to certain position, even if motor does not work, also can be still on a centre position.
In prior art according in operation, first must change the direction of axle with bevel gear, then be used for self-locking and deceleration with common worm-gear speed reducer, then connect motor, and motor must have the individual support installed with reductor, not so cannot take root.
On the contrary, in the present invention, directly can pass hollow shaft by lift-bolt, so, mount pad just directly can install hollow shaft reducer, very convenient during assembling, only just all meet installation, self-locking and deceleration three functions with a reductor, mechanism's weight also mitigates, and decreases the cost of manufacture of the structural members such as support simultaneously.
Claims (10)
1. a spiral classifier, is characterized in that, the lifting device of its reducing motor comprises:
Hollow shaft, the external screw thread of its lift-bolt matches, this screw spindle is provided with the tank for realizing ore classification, the inner side of this hollow shaft is internal thread, the lower surface of hollow shaft contacts with the upper surface of cushion cover, the inserting column of cushion cover is along in the jack of the center line insertion bearing holder (housing, cover) of bearing holder (housing, cover), the lower surface of cushion cover flange and bearing holder (housing, cover) sink seat upper surface between and the lateral surface of cushion cover inserting column and bearing holder (housing, cover) sink seat medial surface between be provided with thrust bearing, the outer surface of cushion cover inserting column and the inner surface of bearing holder (housing, cover) jack match;
Worm gear, the outside of itself and hollow shaft is fixed together;
Worm screw, itself and described worm wheel, described worm screw is coaxial with driven gear, and this driven gear engages with driving gear, and this driving gear is coaxial with the output shaft of motor; And
Lift-bolt, its lower end and screw spindle hinged.
2. spiral classifier as claimed in claim 1, it is characterized in that, the outside of described worm gear and hollow shaft is integrated.
3. spiral classifier as claimed in claim 1, it is characterized in that, the outside of described worm gear and hollow shaft is fixed together by key.
4. spiral classifier as claimed in claim 1, it is characterized in that, the endoporus of described cushion cover is unthreaded hole, and the internal diameter of this unthreaded hole is greater than the external diameter of lift-bolt; Or the endoporus of cushion cover is provided with the internal thread identical with the endoporus of hollow shaft.
5. spiral classifier as claimed in claim 1, it is characterized in that, matched by screw thread with the hollow shaft of reducing motor in the upper end of described lift-bolt.
6. spiral classifier as claimed in claim 1, it is characterized in that, the upper end of described lift-bolt is provided with external screw thread.
7. the method for the lift-bolt of a spiral classifier, it is characterized in that, the hollow output shaft of reducing motor directly coordinates with the external screw thread of lift-bolt and connects, at the arranged outside worm gear of hollow shaft, the output shaft of motor drives worm screw, when electric machine rotation, drives the hollow output shaft of reducing motor to rotate, just rise with the lift-bolt of hollow output threaded engagement or decline, and lift-bolt drives lifting or the decline of screw spindle; When motor stops, worm and gear self-locking, lift-bolt transfixion.
8. method as claimed in claim 7, it is characterized in that, described worm screw is coaxial with driven gear, and this driven gear engages with driving gear, and this driving gear is coaxial with the output shaft of motor.
9. method as claimed in claim 7, it is characterized in that, the pulling force suffered by lift-bolt acts on bearing holder (housing, cover) by cushion cover and thrust bearing, and reductor hollow shaft itself is not by axial tension.
10. method as claimed in claim 9, it is characterized in that, the endoporus of described cushion cover is unthreaded hole, and the internal diameter of this unthreaded hole is greater than the external diameter of lift-bolt; Or the endoporus of cushion cover is provided with the internal thread identical with the endoporus of hollow shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410617330.5A CN104384011B (en) | 2014-11-05 | 2014-11-05 | A kind of method of spiral classifier and its lift-bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410617330.5A CN104384011B (en) | 2014-11-05 | 2014-11-05 | A kind of method of spiral classifier and its lift-bolt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104384011A true CN104384011A (en) | 2015-03-04 |
| CN104384011B CN104384011B (en) | 2017-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410617330.5A Active CN104384011B (en) | 2014-11-05 | 2014-11-05 | A kind of method of spiral classifier and its lift-bolt |
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| Country | Link |
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| CN (1) | CN104384011B (en) |
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| US5213000A (en) * | 1990-11-11 | 1993-05-25 | Mabuchi Motor Co., Ltd. | Motor output shaft positioning device |
| CN2290381Y (en) * | 1997-03-11 | 1998-09-09 | 李�根 | Special filtering plate mechanical pressuring device of filter press |
| DE4425272C2 (en) * | 1994-07-18 | 2000-11-02 | Rhein Getriebe Gmbh | Hoist |
| JP2003172407A (en) * | 2001-09-27 | 2003-06-20 | Mabuchi Motor Co Ltd | Compact motor with worm reduction gear and manufacturing method therefor |
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| CN202169207U (en) * | 2011-04-19 | 2012-03-21 | 烟台市富林矿山机械有限公司 | Classifier lifting device |
| CN202220844U (en) * | 2011-09-14 | 2012-05-16 | 杭州中德传动设备有限公司 | Speed reducer output transmission device |
| CN202921412U (en) * | 2012-10-31 | 2013-05-08 | 郑州科海重工机械有限公司 | Lifting device of spiral classifier |
| CN103625913A (en) * | 2013-12-13 | 2014-03-12 | 承德鼎信自动化工程有限公司 | Rotating wheel adjusting device |
| CN103697133A (en) * | 2013-11-28 | 2014-04-02 | 江苏泰隆减速机股份有限公司 | Speed reducer for lifting device |
| CN203686069U (en) * | 2013-12-06 | 2014-07-02 | 浙江顺天减速机制造有限公司 | Speed reducer with stable transmission |
| CN104294800A (en) * | 2014-10-14 | 2015-01-21 | 浙江省水利水电勘测设计院 | Screw transmission hoist with cylinder body and push rod |
| CN204294349U (en) * | 2014-11-05 | 2015-04-29 | 江西稀有金属钨业控股集团有限公司 | A kind of spiral classifier |
-
2014
- 2014-11-05 CN CN201410617330.5A patent/CN104384011B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5213000A (en) * | 1990-11-11 | 1993-05-25 | Mabuchi Motor Co., Ltd. | Motor output shaft positioning device |
| DE4425272C2 (en) * | 1994-07-18 | 2000-11-02 | Rhein Getriebe Gmbh | Hoist |
| CN2290381Y (en) * | 1997-03-11 | 1998-09-09 | 李�根 | Special filtering plate mechanical pressuring device of filter press |
| JP2003172407A (en) * | 2001-09-27 | 2003-06-20 | Mabuchi Motor Co Ltd | Compact motor with worm reduction gear and manufacturing method therefor |
| DE102006034103A1 (en) * | 2006-07-20 | 2008-01-31 | Hanning Elektro-Werke Gmbh & Co. Kg | Drive device has motor unit, transmission unit containing worm gear, which is coupled with drive shaft of motor unit, and gear unit has two worm gears which are connected with each other |
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| CN200958561Y (en) * | 2006-10-18 | 2007-10-10 | 黎顺焘 | Transmission speed reducer of balanced-force motor for rolling gate |
| CN101988869A (en) * | 2009-08-06 | 2011-03-23 | 张振宇 | Thrust device |
| CN202169207U (en) * | 2011-04-19 | 2012-03-21 | 烟台市富林矿山机械有限公司 | Classifier lifting device |
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| CN103697133A (en) * | 2013-11-28 | 2014-04-02 | 江苏泰隆减速机股份有限公司 | Speed reducer for lifting device |
| CN203686069U (en) * | 2013-12-06 | 2014-07-02 | 浙江顺天减速机制造有限公司 | Speed reducer with stable transmission |
| CN103625913A (en) * | 2013-12-13 | 2014-03-12 | 承德鼎信自动化工程有限公司 | Rotating wheel adjusting device |
| CN104294800A (en) * | 2014-10-14 | 2015-01-21 | 浙江省水利水电勘测设计院 | Screw transmission hoist with cylinder body and push rod |
| CN204294349U (en) * | 2014-11-05 | 2015-04-29 | 江西稀有金属钨业控股集团有限公司 | A kind of spiral classifier |
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| Publication number | Publication date |
|---|---|
| CN104384011B (en) | 2017-06-13 |
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Address after: 330046 No. 118 West Beijing Road, Jiangxi, Nanchang Patentee after: JIANGXI TUNGSTEN HOLDING GROUP CO.,LTD. Address before: 330046 No. 118 West Beijing Road, Jiangxi, Nanchang Patentee before: JIANGXI RARE EARTH & RARE METALS TUNGSTEN GROUP HOLDING Co.,Ltd. |
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Effective date of registration: 20220210 Address after: 341099 No. 36, Yingbin Avenue, Ganzhou economic and Technological Development Zone, Jiangxi Province Patentee after: Ganzhou Nonferrous Metallurgical Machinery Co.,Ltd. Address before: 330046 No. 118 West Beijing Road, Jiangxi, Nanchang Patentee before: JIANGXI TUNGSTEN HOLDING GROUP CO.,LTD. |