CN104384011B - A kind of method of spiral classifier and its lift-bolt - Google Patents
A kind of method of spiral classifier and its lift-bolt Download PDFInfo
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- CN104384011B CN104384011B CN201410617330.5A CN201410617330A CN104384011B CN 104384011 B CN104384011 B CN 104384011B CN 201410617330 A CN201410617330 A CN 201410617330A CN 104384011 B CN104384011 B CN 104384011B
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Abstract
A kind of spiral classifier, it is characterised in that the lifting device of its reducing motor includes：Hollow shaft, its internal thread is engaged with the external screw thread of lift-bolt；The lift-bolt, its lower end is hinged with screw spindle, and the screw spindle is placed in the tank for realizing ore classification, and the inner side of the hollow shaft is internal thread；The lower surface of hollow shaft is in contact with the upper surface of cushion cover, the inserting column of the cushion cover is inserted in the jack of bearing holder (housing, cover) along the center line of bearing holder (housing, cover), thrust bearing is provided between the medial surface of seat is sunk between the lower surface and bearing holder (housing, cover) of cushion cover flange sink the upper surface of seat and in the lateral surface and bearing holder (housing, cover) of cushion cover inserting column, the outer surface of cushion cover inserting column and the inner surface of bearing holder (housing, cover) jack are engaged；Worm gear, is fixed together on the outside of itself and hollow shaft；Worm screw, itself and the worm wheel, the worm screw is coaxial with driven gear, and the driven gear is engaged with driving gear, and the driving gear is coaxial with the output shaft of motor.Simple structure of the present invention, transmission efficiency.
Description
Technical field
The present invention relates to a kind of spiral classifier, the especially lifting with simple compact, reasonable stress, transmission efficiency
The spiral classifier of screw spindle device.
The invention further relates to a kind of method of the lift-bolt of spiral classifier, it uses simple structure to realize efficiently
The screw rod descending operation of rate.
Prior art
In the spiral classifier of prior art, ore is full of water, as spiral master in the groove with screw spindle in groove
When axle is rotated, discharge can be moved to the upper end of groove with big ore, and small particulate ore is then overflowed from lower end,
Realize the purpose of classification.When maintenance or overload, one end of screw spindle can be lifted with lifting device, to facilitate maintenance and keep away
Exempt to cause screw spindle to damage during overload.
According to the lifting device of spiral classifier in the prior art, motor drives reductor by shaft coupling, reductor
One cone pinion is installed, it drives the large bevel gear coordinated with lift-bolt, by between large and small bevel gear on output shaft
Transmission, drives large bevel gear to rotate, and lifts screw rod, and lift-bolt end couples the lower seat of helical axis by pin,
Therefore, also just and then lift-bolt is improved the helical axis.Therefore, the helical axis lifting device complex structure of prior art, biography
Dynamic huge structure, transmission efficiency are low.
In existing this style of reductor, by the pattern of force-output shaft, two kinds of solid shafting and hollow shaft can be divided into.It is real
Heart axle is typically relatively common, and hollow shaft is typically just used in some special places, such as the smaller place in space.And
There is keyway to couple on the inside of this style of reductor hollow mandrel, taper hole connection couples etc. several with ringfeder, always do not have
Hollow shaft is internal thread.
According to conventional technology prejudice, those skilled in the art does not take into account that and exported by this style of reductor
Screw thread coordinates transmission power in hollow shaft.The inner side of hollow shaft reducer does not have motion thread to couple, and at least three directly former
Cause：Motion thread is not belonging to the connection pattern of fixation at all；The species of motion thread is a lot, there is a different thicknesses tooth, different tooth forms,
Different teeth are away from if making motion thread, it is difficult that reductor factory can go out many models, high cost, and market sale；According to non-
Mark makes and can also cause that cost is increased considerably；The hollow shaft reducer market demand is few, it is impossible to which batch making, price is also more expensive,
So reductor factory does not produce typically.
The content of the invention
It is its simple structure, transmission efficiency, easy for installation, reliable it is an object of the invention to provide a kind of spiral classifier
The good, space availability ratio of property is high, gross weight is small.
Another object of the present invention is to provide a kind of method of the lift-bolt of spiral classifier, and it is used simply
Structure realizes efficient screw rod descending operation.
Therefore, according to an aspect of the present invention, there is provided a kind of spiral classifier, it is characterised in that its reducing motor
Lifting device includes：
Hollow shaft, the inner side of the hollow shaft is engaged for internal thread with lift-bolt external screw thread；The lower end of lift-bolt with
Screw spindle is hinged, and the screw spindle is placed in the tank for realizing ore classification, the lower surface of hollow shaft and the upper surface of cushion cover
It is in contact, the inserting column of cushion cover is inserted in the jack of bearing holder (housing, cover) along the center line of bearing holder (housing, cover), in the lower surface and bearing of cushion cover flange
Thrust bearing is provided between the upper surface of the heavy seat of set and between the lateral surface and bearing holder (housing, cover) of cushion cover inserting column sink the medial surface of seat, is padded
The inner surface of the outer surface and bearing holder (housing, cover) jack that cover inserting column is engaged；
Worm gear, is fixed together on the outside of itself and hollow shaft；
Worm screw, itself and the worm wheel, the worm screw is coaxial with driven gear, and the driven gear is nibbled with driving gear
Close, and the driving gear is coaxial with the output shaft of motor；And
Lift-bolt, its lower end is hinged with screw spindle.
Preferably, the worm gear is integrated with the outside of hollow shaft.
Preferably, the worm gear is fixed together with the outside of hollow shaft by key.
Preferably, the endoporus of the cushion cover is unthreaded hole, the external diameter of the internal diameter more than lift-bolt of the unthreaded hole；Or, cushion cover
Endoporus be provided with endoporus identical internal thread with hollow shaft.
Preferably, the upper end of the lift-bolt is engaged with the hollow shaft of reducing motor by screw thread.
Preferably, the upper end of the lift-bolt is provided with external screw thread.
According to another aspect of the present invention, there is provided a kind of method of the lift-bolt of spiral classifier, its feature
It is that the hollow output shaft of reducing motor directly coordinates with the external screw thread of lift-bolt and couples, and snail is set in the outside of hollow shaft
Wheel, the output shaft of motor drives worm screw, when motor is rotated, drives the hollow output shaft of reducing motor to rotate, with hollow output
The lift-bolt that axle thread coordinates just rises or falls, and lift-bolt drives the lifting or decline of screw spindle；Motor stops
When only, worm and gear self-locking, lift-bolt transfixion.
Preferably, the worm screw is coaxial with driven gear, and the driven gear is engaged with driving gear, and the driving gear with
The output shaft of motor is coaxial.
Preferably, the pulling force suffered by lift-bolt is acted on bearing holder (housing, cover) by cushion cover and thrust bearing, and reductor is hollow
Axle does not receive axial tension in itself.
Preferably, the endoporus of the cushion cover is unthreaded hole, the external diameter of the internal diameter more than lift-bolt of the unthreaded hole；Or, cushion cover
Endoporus be provided with endoporus identical internal thread with hollow shaft.
Instant invention overcomes the prejudice of conventional art, the hollow shaft of Worm reduction motor is directly outer with lift-bolt
Screw thread coordinates connection, and the reliability of system is provided by the self-locking mechanism of turbine and worm, and lifting is caused by using hollow shaft
Can be directly through hollow shaft, such that it is able to more reasonably use space after screw rod lifting.
According to the present invention, after starting motor, the hollow shaft of reducing motor is rotated, its screw thread drive lift-bolt rise or under
Drop, and lift-bolt drives helical axis lifting or declines.Traditional bevel gear engaging structure is avoided, overall structure becomes non-
Often simple, the efficiency of screw-driven is also high.
Spiral classifier of the invention, its simple structure, transmission efficiency, easy for installation, good reliability, space profit
With rate is high, gross weight is small.
The method of the lift-bolt of spiral classifier of the invention, efficient spiral shell is realized using simple structure
Bar descending operation.
Brief description of the drawings
Fig. 1 is the principle schematic diagram. of spiral classifier lifting device of the invention.
Fig. 2 be in Fig. 1 along A-A to sectional view.
Specific embodiment
In the one embodiment of the present of invention shown in Fig. 1-2, it is electric that reference 1 represents that hollow shaft worm and gear slows down
Machine；Reference 2 represents cushion cover；Reference 3 represents thrust bearing；Reference 4 represents bearing holder (housing, cover)；Reference 5 is represented
Lift-bolt；Reference 6 represents reductor hollow shaft；Reference 9 represents the worm gear in reducing motor；The table of reference 7
Show the direct key 7 of worm gear 9 in reductor hollow shaft 6 and reducing motor；Reference 8 represents the worm screw in reducing motor.
The fixation hollow axle Worm reduction motor 1 on bearing holder (housing, cover) 4, the special endoporus of reducing motor hollow shaft 6 is spiral shell
Line structure, directly with the external screw thread cooperation of lift-bolt 5, after hollow shaft Worm reduction motor 1 starts, the snail inside drive
Bar 8 is rotated, and worm screw 8 drives worm gear 9 to rotate, and worm gear 9 is rotated, and drives and is rotated by the hollow shaft 6 that key 7 couples with it, and slow down electricity
Machine hollow shaft 6 is rotated in the presence of screw thread, drives lift-bolt 5 to rise or fall, and lift-bolt 5 is connected in spiral by pin
One end of axle, rising or falling for lift-bolt 5 then drives one end of helical axis to be lifted or declined.When reducing motor 1 stops,
Worm and gear self-locking in reducing motor 1, lift-bolt 5 will be slack.
The inner side of the hollow shaft 6 of hollow shaft reducing motor 1 is directly coordinated by screw thread with lift-bolt 5 and coupled, to drive
Lift-bolt 5 rises or falls.
Pulling force suffered by lift-bolt 5 is acted on bearing holder (housing, cover) 4 by cushion cover 2 and thrust bearing 3, so that reductor is hollow
Axle 6 does not receive axial tension.
Particularly, the endoporus of the hollow shaft 6 of hollow shaft Worm reduction motor 1 is provided with internal thread, the internal thread with carry
The external screw thread for rising screw rod 5 is engaged.
According to the present invention, the method for work of the lifting device 5 of spiral classifier includes, the hollow shaft 6 of reducing motor is direct
Coordinate with the external screw thread of lift-bolt 5 and couple, after starting motor, the hollow shaft 6 of reducing motor is rotated, its screw thread drives lifting spiral shell
Bar 5 rises or falls, and lift-bolt 5 drives helical axis lifting or declines, and thus omits traditional bevel gear engaging structure,
So that overall structure becomes very simple, the efficiency of screw-driven is also high.
According to the present invention, the key connecting on the inside of traditional reducing motor hollow shaft is changed to threaded connection；Suffered by lift-bolt
Pulling force acted on bearing holder (housing, cover) by cushion cover and thrust bearing, reductor hollow shaft in itself not receive axial tension.
Spiral classifier of the invention, its lifting screw spindle simple structure, reasonable stress, transmission efficiency.
According to the present invention, there is provided a kind of spiral classifier, it is characterised in that the reducing motor output of helical axis lifting
Axle is hollow shaft, and the inner side of the hollow shaft is internal thread, and this internal thread is engaged with the external screw thread of lift-bolt, the hollow shaft
Worm gear in outside and reductor is structure as a whole or is fixed together by key, in the worm gear in the reductor and reductor
Worm screw is engaged；The lower surface of the hollow shaft of reducing motor is in contact with the upper surface of cushion cover；The lower surface and bearing holder (housing, cover) of cushion cover
Upper surface between be provided with thrust bearing；Cushion cover is inserted along the central axis of bearing holder (housing, cover), the outer surface and bearing of cushion cover
The inner surface of set is engaged.When reducing motor is rotated, reducing motor output shaft is driven to rotate, the lifting coordinated with output shaft
Screw rod is just moved upwardly or downwardly, and realizes lifting or descending motion.When motor stops, worm and gear self-locking, lift-bolt is static
It is motionless.Reducing motor output shaft is not subject to axial force, and the lifting force that lift-bolt is born then is born by cushion cover by bearing block.
According to the present invention, the output shaft of Worm reduction motor directly coordinates with the external screw thread of lift-bolt and couples, and opens
After dynamic motor, the hollow shaft of reducing motor is rotated, and its screw thread drives lift-bolt to rise or fall, and lift-bolt drives spiral shell
Spin axis is lifted or declined.Traditional bevel gear engaging structure is avoided, overall structure becomes very simple, the efficiency of screw-driven
Also it is high.
According to the present invention, reducing motor is not subject to axial force, and the lifting force that lift-bolt is born is then by cushion cover by axle
Bearing is born.
Preferably, cushion cover is unthreaded hole.
In the prior art, the inner side ordinary circumstance of the hollow shaft of reducing motor has keyway to couple, taper hole connection joins with ringfeder
This several connecting mode is connect, commonly used needs can be met.In order to realize the present invention, still coupled with keyway and add one again
Axle sleeve, axle sleeve outside is keyway, and inner side is screw thread, nor cannot, but speed reducer structure can be made much larger.In same axis chi
In the case of very little, screw thread can be much smaller, but reductor is again by moment of torsion for standard is done, and from for moment of torsion, and without this
Big reductor, can cause to waste.Conversely, if screw thread meets requiring, reductor must be bigger, and if the big 10mm of axle,
Reductor must be order of magnitude greater, and being reacted to be had in price significantly increases.So speed reducer output shaft is directly with transmission
During screw thread, can be more economical.
In the present invention, using hollow shaft so that can be directly through hollow shaft, such that it is able to more after lift-bolt lifting
Plus reasonably use space.In addition, the worm-and-wheel gear for using can realize the self-locking of reductor, that is to say, that in screw rod
After being thus lifted to certain position, even if motor does not work, it is also possible to be still on a centre position.
In prior art is according to operation, it is necessary to first change the direction of axle with bevel gear, then subtracted with conventional worm worm screw
Fast machine is used for self-locking and deceleration, then couples motor, and motor must have a support for installation with reductor, not so cannot give birth to
Root.
Conversely, in the present invention it is possible to lift-bolt directly through hollow shaft, so, just can be direct in mounting seat
Hollow shaft reducer is installed, it is very convenient during assembling, installation, self-locking are only just all met with a reductor and is slowed down three
Function, mechanism's weight is also mitigated, while reducing the cost of manufacture of the structural members such as support.
Claims (10)
1. a kind of spiral classifier, it is characterised in that the lifting device of its reducing motor includes：
Hollow shaft, its inner side be provided with internal thread, the internal thread is engaged with the external screw thread of lift-bolt, the lower end of lift-bolt and
Screw spindle is hinged, and the screw spindle is placed in the tank for realizing ore classification, the lower surface of hollow shaft and the upper surface of cushion cover
It is in contact, the inserting column of cushion cover is inserted in the jack of bearing holder (housing, cover) along the center line of bearing holder (housing, cover), in the lower surface and bearing of cushion cover flange
Thrust bearing is provided between the upper surface of the heavy seat of set and between the lateral surface and bearing holder (housing, cover) of cushion cover inserting column sink the medial surface of seat, is padded
The inner surface of the outer surface and bearing holder (housing, cover) jack that cover inserting column is engaged；
Worm gear, is fixed together on the outside of itself and hollow shaft；
Worm screw, itself and the worm wheel, the worm screw is coaxial with driven gear, and the driven gear is engaged with driving gear,
And the driving gear is coaxial with the output shaft of motor；And
Lift-bolt, its lower end is hinged with screw spindle.
2. spiral classifier as claimed in claim 1, it is characterised in that the worm gear is integrated with the outside of hollow shaft.
3. spiral classifier as claimed in claim 1, it is characterised in that the worm gear is fixed by keying with the outside of hollow shaft
Together.
4. spiral classifier as claimed in claim 1, it is characterised in that the endoporus of the cushion cover is unthreaded hole, the unthreaded hole it is interior
External diameter of the footpath more than lift-bolt；Or, the endoporus of cushion cover is provided with the endoporus identical internal thread with hollow shaft.
5. spiral classifier as claimed in claim 1, it is characterised in that the upper end of the lift-bolt and the sky of reducing motor
Heart axle is engaged by screw thread.
6. spiral classifier as claimed in claim 1, it is characterised in that the upper end of the lift-bolt is provided with external screw thread.
7. a kind of method of the lift-bolt of spiral classifier, it is characterised in that the hollow output shaft of reducing motor directly with carry
The external screw thread for rising screw rod coordinates connection, and worm gear is set in the outside of hollow shaft, and the output shaft of motor drives worm screw, when motor is rotated
When, drive reducing motor hollow output shaft rotate, with the lift-bolt of the screw-internal thread fit of hollow output shaft just rise or under
Drop, and lift-bolt drives the lifting or decline of screw spindle；When motor stops, worm and gear self-locking, lift-bolt is static
It is motionless.
8. method as claimed in claim 7, it is characterised in that the worm screw is coaxial with driven gear, the driven gear and master
Moving gear is engaged, and the driving gear is coaxial with the output shaft of motor.
9. method as claimed in claim 7, it is characterised in that the pulling force suffered by lift-bolt is made by cushion cover and thrust shaft
With on bearing holder (housing, cover), the hollow output shaft of reducing motor does not receive axial tension in itself.
10. method as claimed in claim 9, it is characterised in that the endoporus of the cushion cover is unthreaded hole, the internal diameter of the unthreaded hole is more than
The external diameter of lift-bolt；Or, the endoporus of cushion cover is provided with the endoporus identical internal thread with 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 CN104384011A (en) | 2015-03-04 |
| CN104384011B true CN104384011B (en) | 2017-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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| JPH07106044B2 (en) * | 1990-11-16 | 1995-11-13 | マブチモーター株式会社 | 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 |
| JP4331922B2 (en) * | 2001-09-27 | 2009-09-16 | マブチモーター株式会社 | Small motor with worm reducer and method for manufacturing the same |
| 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 |
| CN200975459Y (en) * | 2006-09-13 | 2007-11-14 | 郭健胜 | Spiral riser |
| CN200958561Y (en) * | 2006-10-18 | 2007-10-10 | 黎顺焘 | Transmission speed reducer of balanced-force motor for rolling gate |
| CN101988869B (en) * | 2009-08-06 | 2012-11-07 | 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 |
| 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 |
| CN103697133B (en) * | 2013-11-28 | 2016-01-13 | 江苏泰隆减速机股份有限公司 | A kind of lifting device speed reducer |
| 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 |
| CN104294800B (en) * | 2014-10-14 | 2015-12-09 | 浙江省水利水电勘测设计院 | A kind of screw-driven headstock gear 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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2014
- 2014-11-05 CN CN201410617330.5A patent/CN104384011B/en active Active
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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. |
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