CN101949439B - Vertical star-wheel differential speed regulation device - Google Patents
Vertical star-wheel differential speed regulation device Download PDFInfo
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- CN101949439B CN101949439B CN 201010279381 CN201010279381A CN101949439B CN 101949439 B CN101949439 B CN 101949439B CN 201010279381 CN201010279381 CN 201010279381 CN 201010279381 A CN201010279381 A CN 201010279381A CN 101949439 B CN101949439 B CN 101949439B
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Abstract
The invention relates to a vertical star-wheel differential speed regulation device, which mainly comprises a main motor, an auxiliary motor and a planet differential mechanism, wherein the auxiliary motor and the planet differential mechanism are arranged in an engine base, the main motor is connected with sun gears of the planet differential mechanism by an input connecting shaft, and a plurality of first planet gears are engaged in internal and external gears; a direct-coupled worm of the auxiliary motor is engaged with an external gear of a worm driven gear shaft, and the external gear is engaged with the external parts of the internal and external gears; and an output connecting shaft of the planet differential mechanism is connected with the output end of a vertical star-wheel transmission mechanism. In the invention, the planet differential mechanism is connected with the output end of the vertical star-wheel transmission mechanism and provided with the inputs of the main motor and the auxiliary motor so as to realize the stepless speed regulating soft start (SS) of the speed regulation device; and the vertical star-wheel differential speed regulation device of the invention has the advantages of compact integral structure, simple component structure, convenient production, low cost, large transmission ratio, good uniform loading performance, not easily damaged transmission structure an long service life, and is suitable to be used in heavy load industry.
Description
Technical field
The present invention relates to a kind of Multi-stage gear driving device, be specifically related to that vertical-type planetary is differential, the few-differential spider arrangements for speed regulation, be used for the metallurgical transmission devices such as low-speed heave-load industry such as central cooler, grinding machine, refining comb machine that wait.
Background technique
In heavily loaded field, the inrush current of motor is larger during device start, and power supply network, motor self are had very large rush of current, and electrical network is not steady, the easy cause thermal damage of crossing of motor self.Existing heavy load starting equipment is all set up helper motor for this reason, can at first start helper motor and carry out slow speedup when starting device, restarts main motor after reaching certain rotating speed, and main electric motor starting electric current is steadily without impacting.Be 200410046671.8 disclosed planetary differential worm stepless speed regulation soft start moment limiting devices such as the patent No., its main motor connects output shaft through one-level epicyclic transmission mechanism, one-level planetary gear speed reducing mechanism, set up the speed-adjustable motor that is connected by worm gear at the planet carrier of one-level epicyclic transmission mechanism, realized the soft start of equipment by speed-adjustable motor, reach inrush current and act on stably; But the planet carrier structure of its one-level epicyclic transmission mechanism is complicated, a conjuncted worm gear complex manufacturing, and cost is high, and finally by planetary gear speed reducing mechanism output, velocity ratio is little, all carries poor performance for device, transmission device is fragile, and working life is short, is not suitable for heavily loaded industry and uses; In main motor accidental damage or break down in the time of can't turning round, speed-adjustable motor can't satisfy heavy duty because of the rotating speed restriction to be used in addition.
Summary of the invention
Prior art heavy duty soft start equipment mechanism is complicated, cost of production is high in order to solve, the output velocity ratio is little, all carries poor performance, and is fragile, working life, short grade was not enough, the purpose of this invention is to provide a kind of simple in structurely, easy to make, cost is low, velocity ratio is large, all carry performance good, drive mechanism is not fragile, the vertical star-wheel differential speed regulation device of long service life.
The technical solution used in the present invention is: a kind of vertical star-wheel differential speed regulation device, mainly comprise main motor, helper motor and planetary cross-country power mechanism, helper motor and planetary cross-country power mechanism are located in the support, planetary cross-country power mechanism comprises, the lower planet frame, sun gear, the input joining shaft, output joining shaft and a plurality of the first planetary pinion, on, the lower planet frame connects respectively a plurality of the first planetary pinions through many planet axis, a plurality of the first planetary pinions all mesh sun gear, sun gear connects the input joining shaft through internal tooth casing, the input joining shaft is successively through bevel gear pair, bevel gear shaft, coupling connects main motor, the upper planet frame connects the output joining shaft, its technical characterstic is that described planetary cross-country power mechanism also comprises supporting base, on, lower planet is set up in the supporting base, supporting base is provided with interior external gear, and it is inner that a plurality of the first planetary pinions are engaged in interior external gear; Described helper motor direct connection worm screw, the external gear of worm meshing worm drive gear shaft, external gear is outside in the external gear engagement; The output joining shaft of planetary cross-country power mechanism connects vertical star wheels transport mechanism output.
Before described vertical star wheels transport mechanism comprises, rear support, before, rear branching holder, internal gear and two the second planetary pinions, before internal gear is located at, in the rear support, internal gear and two the second planetary pinion engagements, two the second planetary pinion technical parameters are identical and staggered 180 °, be distributed with N spider gear shaft on the circumference of two the second planetary pinion distribution circle DZ, be evenly equipped with n perforation dx on the circumference of two the second planetary pinion distribution circle DX, n root supporting axle pass the perforation dx and with the spider gear shaft interlaced arrangement, before, rear branching holder, before n root supporting axle tight joint is integral and places, in the rear support, two the second planetary pinions are set on the output coupling shaft through eccentric bushing, the front support support that is fixedly connected, rear branching holder connects output shaft.
Vertical star-wheel differential speed regulation device of the present invention starts first helper motor when using, helper motor drives worm gear, worm screw drive interior external gear by the external gear of gear shaft external tooth, the internal tooth of interior external gear drives sun gear by planetary pinion and rotates, sun gear is rotated by the motor shaft that coupling drives main motor through the bevel gear driving bevel gear shaft that internal tooth casing drives on the input joining shaft, and main motor is realized soft start; Helper motor cut off the power supply after main electric motor starting reached rated speed, at this moment worm gear, worm screw self-locking, main motor drives bevel gear shaft by coupling and rotates, bevel gear shaft is inputted joining shaft through bevel gear drive, the input joining shaft drives sun gear by internal tooth casing and rotates, sun gear and a plurality of the first planet meshed transmission gear, external gear maintains static in this moment, and power is successively by sun gear, the first planetary pinion, planet axis, upper planet frame, the output of output joining shaft; The output joining shaft drives the second planetary pinion translation rotating in internal gear of two interlaced 180 through eccentric bushing, and its rotation motion is passed to forward and backward supporting base by supporting axle is exported by output shaft.
Speed governing can start helper motor such as palpus after the normal startup of equipment, external gear rotation by worm gear, worm screw driven gear axle, external gear in external gear drives, interior external gear drives planet carrier output by a plurality of the first planetary pinion engagements, the forward of helper motor, counterrotating realize planet carrier speedup, deceleration, thus speedup, the deceleration of the final output of control.
After adopting above technological scheme, the beneficial effect that the present invention reaches is:
When 1, vertical star-wheel differential speed regulation device uses, at first start the slow speedup of helper motor, restart main motor after reaching certain rotating speed, steadily without impacting, the auxiliary electrode inrush current is little for main electric motor starting electric current, realizes the stepless speed regulation soft start of equipment, energy saving prolongs motor working life;
2, main and auxiliary two motors input forms differential reducing by interior external gear driving, and slows down through output joining shaft serial connection few-differential spider, velocity ratio is increased to up to ten thousand, can satisfy usage requirement in a big way; Main and auxiliary two motors can be simultaneously or only work, even if motor damages or occurs unexpectedly arbitrarily, another motor still can work on, and heavily loaded usage requirement is guaranteed in the normal use of arrangements for speed regulation, and the device use reliability is high, and Safety performance is stable;
3, arrangements for speed regulation cooperate few-differential spider transmission output by Planetary Gear Transmission, and the automatic load sharing performance of star wheels transport mechanism is good, compact structure, and bearing capacity is high, and drive mechanism is not fragile, can satisfy heavy duty and use.
The present invention adopts planetary cross-country power mechanism to connect vertical star wheels transport mechanism output, be provided with the stepless speed regulation soft start that main and auxiliary two motors input realizes arrangements for speed regulation at planetary cross-country power mechanism, compact overall structure, modular construction is simple, and is easy to make, cost is low, and the velocity ratio of arrangements for speed regulation is large, all carries performance good, and drive mechanism is not fragile, long service life is fit to heavily loaded industry and uses.
Description of drawings
Fig. 1 is structural representation of the present invention.
Among the figure: main motor 1, helper motor 2, support 3, bevel gear shaft 4, bevel gear pair 5, input joining shaft 6, internal tooth casing 7, sun gear 8, upper planet frame 9, lower planet frame 10, planet axis 11, the first planetary pinions 12, supporting base 13, interior external gear 14, external gear 15, gear shaft 16, worm gear 17, worm screw 18, output joining shaft 19, eccentric bushing 20, front support 21, rear support 22, front support seat 23, rear branching holder 24, supporting axle 25, spider gear shaft 26, the second planetary pinions 27, internal gear 28, output shaft 29.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Shown in Figure 1, vertical star-wheel differential speed regulation device mainly comprises main motor 1, helper motor 2, support 3, bevel gear shaft 4, bevel gear pair 5, input joining shaft 6, sun gear 8, upper planet frame 9, lower planet frame 10, planet axis 11, the first planetary pinion 12, supporting base 13, interior external gear 14, external gear 15, bevel gear shaft 16, worm gear 17, worm screw 18, output joining shaft 19, front support 21, rear support 22, front support seat 23, rear branching holder 24, supporting axle 25, spider gear shaft 26, the second planetary pinion 27, internal gear 28 and output shaft 29.Main motor 1 connects the bevel gear shaft 4 that is supported on the support 3 through coupling, bevel gear shaft 4 is in transmission connection through bevel gear pair 5 and inputs coupling shaft 6 one ends, input coupling shaft 6 is supported in the support 3, input joining shaft 6 the other ends connect sun gear 8 through internal tooth casing 7, sun gear 8 engagements the first planetary pinion 12, the planet axis 11 of the first planetary pinion 12 connects upper and lower planet frame 9,10, upper planet frame 9 connects output coupling shaft 19 1 ends, upper and lower planet frame 9,10 is supported on the supporting base 13, supporting base 13 is supported in the support 3, and supporting base 13 is provided with interior external gear 14; Helper motor 2 is located in the support 3, and helper motor 2 is supported on gear shaft 16 1 ends on the support through worm screw 18, worm gear 17 transmissions, gear shaft 16 the other ends be provided with supporting base 13 in the external gear 15 of external gear 14 engagements; The other end of output joining shaft 19 connects two the second planetary pinions 27 through eccentric bushing 20, two the second planetary pinion technical parameters are identical and staggered 180 °, front support 21 is fixedly connected on the support 3, rear support 22 is connected on the front support 21, before, be provided with internal gear 28 in the rear support, internal gear 28 and two the second planet 27 gears engagements, be distributed with N spider gear shaft 26 on the circumference of two the second planetary pinion 27 distribution circle DZ, be evenly equipped with n perforation dx on the circumference of two the second planetary pinion 27 distribution circle DX, n root supporting axle 25 pass the perforation dx and with spider gear shaft 26 interlaced arrangement, before n root supporting axle 25 tight joints, rear branching holder 23,24, front support seat 23 is supported on the front support 21, and rear branching holder 24 connects the output shaft 29 that is supported on the rear support 22.
Working procedure of the present invention is:
1, starts, at first start helper motor and drive worm gear, worm screw drive interior external gear by the external gear of gear shaft external tooth, the internal tooth of interior external gear drives sun gear by planetary pinion and rotates, sun gear is rotated by the motor shaft that coupling drives main motor through the bevel gear driving bevel gear shaft that internal tooth casing drives on the input joining shaft, and main motor is realized soft start; Helper motor cut off the power supply after main motor rated power startup reached rated speed, at this moment worm gear, worm screw self-locking, main motor drives bevel gear shaft by coupling and rotates, bevel gear shaft is inputted joining shaft through bevel gear drive, the input joining shaft drives sun gear by internal tooth casing and rotates, sun gear and a plurality of the first planet meshed transmission gear, external gear maintains static in this moment, and power is successively by sun gear, the first planetary pinion, planet axis, upper planet frame, the output of output joining shaft; The output joining shaft drives the second planetary pinion translation rotating in internal gear of two interlaced 180 through eccentric bushing, and its rotation motion is passed to forward and backward supporting base by supporting axle is exported by output shaft.
2, speed governing, speed governing can start helper motor such as palpus after the normal startup of equipment, external gear rotation by worm gear, worm screw driven gear axle, external gear in external gear drives, interior external gear drives planet carrier output by a plurality of the first planetary pinion engagements, the forward of helper motor, counterrotating realize planet carrier speedup, deceleration, thus speedup, the deceleration of the final output of control.
Claims (2)
1. vertical star-wheel differential speed regulation device, mainly comprise main motor (1), helper motor (2) and planetary cross-country power mechanism, helper motor and planetary cross-country power mechanism are located in the support (3), planetary cross-country power mechanism comprises, lower planet frame (9,10), sun gear (8), input joining shaft (6), output joining shaft (19) and a plurality of the first planetary pinion (12), on, the lower planet frame connects respectively a plurality of the first planetary pinions through many planet axis (11), a plurality of the first planetary pinions all mesh sun gear, sun gear connects the input joining shaft through internal tooth casing (7), the input joining shaft is successively through bevel gear pair (5), bevel gear shaft (4), coupling connects main motor, the upper planet frame connects the output joining shaft, it is characterized in that: described planetary cross-country power mechanism also comprises supporting base (13), on, lower planet frame (9,10) be located in the supporting base, supporting base is provided with interior external gear (14), and it is inner that a plurality of the first planetary pinions (12) are engaged in interior external gear; Described helper motor (2) direct connection worm screw (18), the external gear (15) of worm meshing worm gear (17) driving gearshaft (16), external gear is outside in the external gear engagement; The output joining shaft (19) of planetary cross-country power mechanism connects vertical star wheels transport mechanism output.
2. vertical star-wheel differential speed regulation device according to claim 1, it is characterized in that: before described vertical star wheels transport mechanism comprises, rear support (21,22), before, rear branching holder (23,34), internal gear (28) and two the second planetary pinions (27), before internal gear is located at, in the rear support, internal gear and two the second planetary pinion engagements, two the second planetary pinion technical parameters are identical and staggered 180 °, be distributed with N spider gear shaft (26) on the circumference of two the second planetary pinion distribution circle DZ, be evenly equipped with n perforation dx on the circumference of two the second planetary pinion distribution circle DX, n root supporting axle (25) pass the perforation dx and with the spider gear shaft interlaced arrangement, two the second planetary pinions are set on the output joining shaft (19) through eccentric bushing (20), before, rear branching holder, before n root supporting axle tight joint is integral and places, in the rear support, the front support support that is fixedly connected, rear branching holder connects output shaft (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010279381 CN101949439B (en) | 2010-09-09 | 2010-09-09 | Vertical star-wheel differential speed regulation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010279381 CN101949439B (en) | 2010-09-09 | 2010-09-09 | Vertical star-wheel differential speed regulation device |
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| Publication Number | Publication Date |
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| CN101949439A CN101949439A (en) | 2011-01-19 |
| CN101949439B true CN101949439B (en) | 2013-01-09 |
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| CN 201010279381 Active CN101949439B (en) | 2010-09-09 | 2010-09-09 | Vertical star-wheel differential speed regulation device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912637A (en) * | 2014-04-28 | 2014-07-09 | 江苏泰隆减速机股份有限公司 | Special vertical star wheel reducer for ladle turret |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1232146A (en) * | 1998-04-14 | 1999-10-20 | 周干绪 | Multifunctional planetary speed reducer |
| CN1629514A (en) * | 2004-08-19 | 2005-06-22 | 李本平 | Planetary differential worm stepless speed regulation soft start moment limiting device |
| CN1661261A (en) * | 2004-12-22 | 2005-08-31 | 杭州珂瑞特机械制造有限公司 | Adjustable type phase differential gear and control method |
| CN201795021U (en) * | 2010-09-09 | 2011-04-13 | 江苏泰隆减速机股份有限公司 | Vertical star wheel differential speed regulation device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2562418B2 (en) * | 1994-05-31 | 1996-12-11 | 崇 高橋 | Power transmission starter |
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2010
- 2010-09-09 CN CN 201010279381 patent/CN101949439B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1232146A (en) * | 1998-04-14 | 1999-10-20 | 周干绪 | Multifunctional planetary speed reducer |
| CN1629514A (en) * | 2004-08-19 | 2005-06-22 | 李本平 | Planetary differential worm stepless speed regulation soft start moment limiting device |
| CN1661261A (en) * | 2004-12-22 | 2005-08-31 | 杭州珂瑞特机械制造有限公司 | Adjustable type phase differential gear and control method |
| CN201795021U (en) * | 2010-09-09 | 2011-04-13 | 江苏泰隆减速机股份有限公司 | Vertical star wheel differential speed regulation device |
Non-Patent Citations (1)
| Title |
|---|
| JP特开平7-327339A 1995.12.12 |
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