CN101949439A - Vertical star-wheel differential speed regulation device - Google Patents
Vertical star-wheel differential speed regulation device Download PDFInfo
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- CN101949439A CN101949439A CN2010102793813A CN201010279381A CN101949439A CN 101949439 A CN101949439 A CN 101949439A CN 2010102793813 A CN2010102793813 A CN 2010102793813A CN 201010279381 A CN201010279381 A CN 201010279381A CN 101949439 A CN101949439 A CN 101949439A
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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 transmission device, be specifically related to that vertical-type planetary is differential, the few-differential spider arrangements for speed regulation, be used for transmission devices such as low-speed heave-load industries such as metallurgy such as central cooler, grinding machine, refining comb machine.
Background technique
In heavily loaded field, the inrush current of motor is bigger during device start, and power supply network, motor self are had very big rush of current, and electrical network is not steady, the easy cause thermal damage of crossing of motor self.Existing for this reason heavy load starting equipment is all set up helper motor, 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 does not steadily have impact.As the patent No. is 200410046671.8 disclosed planetary differential worm screw stepless speed regulation soft start torque limiting devices, its main motor connects output shaft through one-level epicyclic transmission mechanism, one-level planetary gear speed reducing mechanism, on the planet carrier of one-level epicyclic transmission mechanism, set up the speed-adjustable motor that connects by worm gear, soft start by speed-adjustable motor realization equipment reaches inrush current and acts on stably; But the planet carrier structure complexity of its one-level epicyclic transmission mechanism, a conjuncted worm gear complex manufacturing, cost height, 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
In order to solve prior art heavy duty soft start equipment mechanism complexity, cost of production height, the output velocity ratio is little, all carries poor performance, and is fragile, deficiencies such as working life is short, the purpose of this invention is to provide a kind of simple in structurely, easy to make, cost is low, velocity ratio is big, it is good all to carry performance, and drive mechanism is not fragile, the vertical star-wheel differential speed adjusting devices of long service life.
The technical solution used in the present invention is: a kind of vertical star-wheel differential speed adjusting devices, 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 first planetary pinion, on, the lower planet frame connects a plurality of first planetary pinions respectively through many planet axis, a plurality of 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 a plurality of first planetary pinions are engaged in interior external gear inside; Described helper motor direct connection worm screw, the external gear of worm meshing worm drive gear shaft, external gear 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, back support, before, rear branching holder, internal gear and two second planetary pinions, before internal gear is located at, in the back support, internal gear and two second planetary pinion engagements, two second planetary pinion technical parameters are identical and staggered 180 °, be distributed with N spider gear shaft on the circumference of two second planetary pinion distribution circle DZ, be evenly equipped with n perforation dx on the circumference of two 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, n root supporting axle is fastening to be connected into before one places, in the back support, two second planetary pinions are set on the output coupling shaft through eccentric bushing, before the support support that is fixedly connected, rear branching holder connects output shaft.
When using, the vertical star-wheel differential speed adjusting devices of the present invention starts helper motor earlier, 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, worm gear, worm screw self-locking at this moment, main motor drives bevel gear shaft by coupling and rotates, bevel gear shaft is imported 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 first planetary pinion engagement driving, external gear maintains static in this moment, and power is successively by sun gear, first planetary pinion, planet axis, upper planet frame, the output of output joining shaft; The output joining shaft drives second planetary pinion translation rotation 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.
Equipment normally starts the back as must speed governing can start helper motor, 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 first planetary pinion engagements, the forward of helper motor, counterrotating realize planet carrier speedup, deceleration, speedup, the deceleration of the final output of control thus.
After adopting above technological scheme, the beneficial effect that the present invention reaches is:
When 1, vertical star-wheel differential speed adjusting devices uses, at first start the slow speedup of helper motor, restart main motor after reaching certain rotating speed, main electric motor starting electric current does not steadily have impact, and the auxiliary electrode inrush current is little, 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 inside and outside gear transmission, and slows down through output joining shaft serial connection few-differential spider, and it is up to ten thousand that velocity ratio is increased to, and can satisfy usage requirement in a big way; Main and auxiliary two motors can be worked the while or only one, even if motor damages or accident occurs arbitrarily, another motor still can work on, and heavily loaded usage requirement is guaranteed in the normal use of arrangements for speed regulation, installs the use reliability height, and Safety performance is stable;
3, arrangements for speed regulation cooperate few-differential spider transmission output by the planetary pinion transmission, and the automatic load sharing performance of star wheels transport mechanism is good, compact structure, and bearing capacity height, drive mechanism are 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, on planetary cross-country power mechanism, be provided with the stepless speed regulation soft start that main and auxiliary two motors input realizes arrangements for speed regulation, 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 big, and it is good all to carry performance, and drive mechanism is not fragile, long service life is fit to heavily loaded industry and uses.
Description of drawings
Fig. 1 is a 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, preceding support 21, back support 22, preceding supporting base 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 adjusting devices 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, 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, preceding support 21, back support 22, preceding supporting base 23, rear branching holder 24, supporting axle 25, spider gear shaft 26, 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 imports 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 first planetary pinion 12, the planet axis 11 of 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 second planetary pinions 27 through eccentric bushing 20, two second planetary pinion technical parameters are identical and staggered 180 °, support 21 before being fixedly connected on the support 3, back support 22 is connected on the preceding support 21, before, be provided with internal gear 28 in the back support, internal gear 28 and two second planet 27 gear engagement, be distributed with N spider gear shaft 26 on the circumference of two second planetary pinion 27 distribution circle DZ, be evenly equipped with n perforation dx on the circumference of two 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 the 25 fastening connections of n root supporting axle, rear branching holder 23,24, on the support 21, rear branching holder 24 connected the output shaft 29 that is supported on the support 22 of back before preceding supporting base 23 was supported on.
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, worm gear, worm screw self-locking at this moment, main motor drives bevel gear shaft by coupling and rotates, bevel gear shaft is imported 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 first planetary pinion engagement driving, external gear maintains static in this moment, and power is successively by sun gear, first planetary pinion, planet axis, upper planet frame, the output of output joining shaft; The output joining shaft drives second planetary pinion translation rotation 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, normally start the back as must speed governing can start helper motor at 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 first planetary pinion engagements, the forward of helper motor, counterrotating realize planet carrier speedup, deceleration, speedup, the deceleration of the final output of control thus.
Claims (2)
1. vertical star-wheel differential speed adjusting devices, 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 first planetary pinion (12), on, the lower planet frame connects a plurality of first planetary pinions respectively through many planet axis (11), a plurality of 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 a plurality of first planetary pinions (12) are engaged in interior external gear inside; Described helper motor (2) direct connection worm screw (18), the external gear (15) of worm meshing worm gear (17) driving gearshaft (16), external gear 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 adjusting devices according to claim 1, it is characterized in that: before described vertical star wheels transport mechanism comprises, back support (21,22), before, rear branching holder (23,34), internal gear (28) and two second planetary pinions (27), before internal gear is located at, in the back support, internal gear and two second planetary pinion engagements, two second planetary pinion technical parameters are identical and staggered 180 °, be distributed with N spider gear shaft (26) on the circumference of two second planetary pinion distribution circle DZ, be evenly equipped with n perforation dx on the circumference of two second planetary pinion distribution circle DX, n root supporting axle (25) pass the perforation dx and with the spider gear shaft interlaced arrangement, two second planetary pinions are set on the output joining shaft (19) through eccentric bushing (20), before, rear branching holder, n root supporting axle is fastening to be connected into before one places, in the back support, before the 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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| CN101949439A true CN101949439A (en) | 2011-01-19 |
| CN101949439B 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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Cited By (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 (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07327339A (en) * | 1994-05-31 | 1995-12-12 | Takashi Takahashi | Starter for power transmission |
| 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 |
-
2010
- 2010-09-09 CN CN 201010279381 patent/CN101949439B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07327339A (en) * | 1994-05-31 | 1995-12-12 | Takashi Takahashi | Starter for power transmission |
| 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 |
Cited By (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 |
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| CN101949439B (en) | 2013-01-09 |
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