CN102815566B - Three-roller structure and improve the method for relative rotation speed of its variable speed drive (VSD) roller instantaneously - Google Patents
Three-roller structure and improve the method for relative rotation speed of its variable speed drive (VSD) roller instantaneously Download PDFInfo
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- CN102815566B CN102815566B CN201210250661.0A CN201210250661A CN102815566B CN 102815566 B CN102815566 B CN 102815566B CN 201210250661 A CN201210250661 A CN 201210250661A CN 102815566 B CN102815566 B CN 102815566B
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Abstract
The invention discloses a kind of three-roller structure, and improve the method for relative rotation speed of the variable speed drive (VSD) roller in this mechanism instantaneously.Its principal feature is, be provided with high speed and low speed two drive wheels, the revolution ratio of two drive wheels matches with the rotation speed change ratio of variable speed drive (VSD) roller, at synchronization, only have one of them drive wheel and variable speed drive (VSD) roller to form drive connection, two drive wheels and the accurate driven roller of two foundation form the interlock body of a synchronous axial system.Advantage of the present invention is, as long as variable speed drive (VSD) roller and high-speed driving are taken turns constitute drive connection, variable speed drive (VSD) roller just can be promoted to predetermined revolution ratio at once relative to the revolution ratio of the accurate driven roller of two foundation, and required time is zero; On the other hand, high-speed driving wheel can drive variable speed drive (VSD) roller to accelerate to rotate with larger kinetic energy, and the absolute rotating speed of variable speed drive (VSD) roller can be significantly improved instantaneously.
Description
Technical field
The present invention relates to the three-roller structure being clipped the rotation of same Passive part by three driven rollers, particularly how to make the method that the relative rotation speed of the variable speed drive (VSD) roller in three-roller structure improves instantaneously.
Background technology
Three-roller structure is that one has three driven rollers, clips same Passive part together by these three driven rollers, and the mechanism driving this Passive part to rotate by these three driven rollers.In the mechanical equipment being equipped with three-roller structure, wherein driven roller is made the variable speed drive (VSD) roller of variable-ratio by normal needs, makes variable speed drive (VSD) roller significantly can improve within very short time relative to the rotating speed of other two driven rollers, to realize certain object.Such as in some rewinding machines for the production of paper product such as toilet papers, just have employed the three-roller structure with variable speed drive (VSD) roller, utilize this three-roller structure that paper rewinding is become paper roll, three driven rollers clip paper roll together and rotate, after paper roll is shaping, make the rotating speed moment of the variable speed drive (VSD) roller in three-roller structure higher than the rotating speed of other two driven rollers, with this paper splitting by paper roll afterbody, and paper roll is flown out between three driven rollers fast.But in current known three-roller structure, its variable speed drive (VSD) roller promotes fast not relative to the rotating speed of other two driven rollers, often cause equipment can not normal operation.Such as in above-mentioned rewinding machine, often because the relative rotation speed of the variable speed drive (VSD) roller in three-roller structure promotes comparatively slow, cause the paper thoroughly cannot pulling apart paper roll afterbody, cause rewinding machine by forced-stopping machine.
Summary of the invention
The relative rotation speed that the present invention seeks to for the variable speed drive (VSD) roller in existing three-roller structure promotes problem fast not, provides a kind of method that relative rotation speed of the variable speed drive (VSD) roller made in three-roller structure improves instantaneously.
Correspondingly, another object of the present invention is to provide a kind of three-roller structure, to implement the above described method.
The main technical schemes that the inventive method is taked is, make the method that the relative rotation speed of the variable speed drive (VSD) roller in three-roller structure improves instantaneously, comprise three driven rollers clipping same Passive part and rotate, in these three driven rollers, wherein two driven rollers are benchmark driven rollers, a remaining driven roller is the variable speed drive (VSD) roller needing to convert rotating speed, improve the rotating speed of variable speed drive (VSD) roller relative to the accurate driven roller of other two foundation instantaneously by the following method, the drive wheel that two rotating speeds are different is set, the revolution ratio of these two drive wheels, match with the rotation speed change ratio of variable speed drive (VSD) roller, described two drive wheels only have one of them and variable speed drive (VSD) roller to form drive connection at synchronization, before the relative rotation speed improving variable speed drive (VSD) roller, the slower drive wheel of rotating speed in variable speed drive (VSD) roller and described two drive wheels forms drive connection, make variable speed drive (VSD) roller clip same Passive part together with the accurate driven roller of two foundation to rotate, when needing the relative rotation speed improving variable speed drive (VSD) roller instantaneously, switch the drive connection between variable speed drive (VSD) roller and described two drive wheels instantaneously, make the rotating speed in variable speed drive (VSD) roller and described two drive wheels faster drive wheel form drive connection, the rotating speed of variable speed drive (VSD) roller relative to the accurate driven roller of other two foundation is improved instantaneously with this, the feature of said method is also, described two drive wheels and the accurate driven roller of two foundation is made to form the interlock body of a synchronous axial system.
Said method also can take technical scheme attached as follows.
The driving wheel group of described two drive wheels by being made up of multiple intermeshing power wheel, the interlock body of synchronous axial system is formed with the accurate driven roller of two foundation, in this interlock body, the quality summation of the rotor of all formation meshing relations is at least the twice of the quality of variable speed drive (VSD) roller.
Other swing type mechanisms in the equipment apply described driving wheel group and three-roller structure are connected, the interlock body of a composition synchronous axial system.
The method of the drive connection switched between variable speed drive (VSD) roller and described two drive wheels is instantaneously, between variable speed drive (VSD) roller and described two drive wheels, magnetic clutch is set respectively, switches the drive connection between variable speed drive (VSD) roller and described two drive wheels by the engagement and released state controlling two magnetic clutchs.
Switch to the process of engagement at described magnetic clutch from released state, forward high potential higher than its rated operational voltage is imposed to magnetic clutch, accelerate the engagement action of magnetic clutch with this, return to rated operational voltage more afterwards, make magnetic clutch keep engagement; Switch to the process of released state at described magnetic clutch from engagement, the reverse voltage contrary with engagement is imposed to magnetic clutch, accelerate the separating action of magnetic clutch with this, stop immediately more afterwards powering to magnetic clutch, make magnetic clutch keep released state.
Switch to the process of released state at magnetic clutch from engagement, to the absolute value of the reverse voltage that magnetic clutch applies, higher than the absolute value of the rated operational voltage of magnetic clutch.
On the other hand, the main technical schemes that three-roller structure of the present invention is taked is, three-roller structure comprises three driven rollers clipping same Passive part and rotate, wherein two driven rollers are benchmark driven rollers, a remaining driven roller needs to improve instantaneously its variable speed drive (VSD) roller relative to the rotating speed of benchmark driven roller, in the rotating shaft of variable speed drive (VSD) roller, cover has the high-speed driving wheel and driven at low speed wheel that can dally around this rotating shaft, variable speed drive (VSD) roller is taken turns with high-speed driving respectively by two magnetic clutchs and driven at low speed is taken turns and formed drive connection, these two magnetic clutchs only have one of them to be in engagement at synchronization, described high-speed driving wheel and the driving wheel group of driven at low speed wheel by being made up of multiple intermeshing power wheel, the interlock body of synchronous axial system is formed with the accurate driven roller of two foundation, and the transmitting ratio of each power wheel in the inside of this driving wheel group, make the revolution ratio that high-speed driving is taken turns and driven at low speed is taken turns, match with the rotation speed change ratio of variable speed drive (VSD) roller.
Above-mentioned three-roller structure also can take technical scheme attached as follows.
Being taken turns by described high-speed driving, described driven at low speed is taken turns, described driving wheel group, and in the interlock body of synchronous axial system that forms of the accurate driven roller of described two foundation, the quality summation of the rotor of all formation meshing relations is at least the twice of the quality of variable speed drive (VSD) roller.
Other swing type mechanisms in the equipment that described driving wheel group and three-roller structure are applied are connected, the interlock body of a composition synchronous axial system.
Advantageous Effects of the present invention is: because described two drive wheels and the accurate driven roller of two foundation form the interlock body of a synchronous axial system, therefore, drive connection is formed from taking turns with driven at low speed at variable speed drive (VSD) roller, be switched to instantaneously and take turns with high-speed driving when forming drive connection, variable speed drive (VSD) roller is relative to the raising of the rotating speed of the accurate driven roller of two foundation, the revolution ratio that high-speed driving wheel is taken turns with driven at low speed must be equaled, and the revolution ratio that high-speed driving wheel and driven at low speed are taken turns is changeless, rotating speed absolute with it has nothing to do, as long as variable speed drive (VSD) roller and the higher drive wheel of rotating speed constitute drive connection, variable speed drive (VSD) roller just can be promoted to predetermined revolution ratio at once relative to the revolution ratio of the accurate driven roller of two foundation, required time is zero, on the other hand, because driven at low speed wheel and high-speed driving wheel define the interlock body of synchronous axial system jointly with the accurate driven roller of two foundation, therefore the rotational kinetic energy of high-speed driving wheel is at least equivalent to the kinetic energy sum of the accurate driven roller of two foundation, thus make when speed-raising, high-speed driving wheel can drive variable speed drive (VSD) roller to accelerate to rotate with larger kinetic energy, and the absolute rotating speed of variable speed drive (VSD) roller can be significantly improved instantaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that three-roller structure clips Passive part rotation;
Fig. 2 is the drive connection schematic diagram between three driven rollers in three-roller structure.
Detailed description of the invention
As shown in Figure 1, comprise three driven rollers clipping same Passive part 4 and rotate, wherein two is benchmark driven roller 1,2 to three-roller structure of the present invention, and remaining one is variable speed drive (VSD) roller 3.The concrete function that three-roller structure will complete, and Passive part 4 specifically what, the concrete equipment applied according to three-roller structure and determining, such as, if the three-roller structure shown in Fig. 1 is applied in the rewinding machine of production paper product, Passive part 4 so shown in Fig. 1 is exactly paper roll, this paper roll is benchmark driven roller 1 by two, 2 and a variable speed drive (VSD) roller 3 together paper rewinding is formed, and after rewinding completes a coil paper volume, also can by improving variable speed drive (VSD) roller 3 instantaneously relative to the accurate driven roller 1 of other two foundation, the rotating speed of 2, by the paper splitting of paper roll afterbody, and paper roll is flown out in the middle of three driven rollers.
Fig. 2 shows the drive connection between three driven rollers in Fig. 1.As shown in Figure 2, in the rotating shaft of variable speed drive (VSD) roller 3, cover has the driven at low speed wheel 5 and high-speed driving wheel 6 that can dally around this rotating shaft, between driven at low speed wheel 5 and the rotating shaft of variable speed drive (VSD) roller 3, magnetic clutch 7 is installed, between high-speed driving wheel 6 and the rotating shaft of variable speed drive (VSD) roller 3, another magnetic clutch 8 is installed, these two magnetic clutchs 7, 8 only have one of them to be in engagement at synchronization, make variable speed drive (VSD) roller 3 or taking turns 5 with driven at low speed forms drive connection, take turns 5 by driven at low speed and drive low speed rotation, take turns 6 with high-speed driving and form drive connection, take turns 6 by high-speed driving and drive High Rotation Speed.Two magnetic clutchs 7,8 can be assemblied in same shell.
The driving wheel group 9 that empty wire frame representation in Fig. 2 is made up of multiple intermeshing power wheel, high-speed driving wheel 6 and driven at low speed wheel 5, by this driving wheel group 9, form the interlock body of synchronous axial system with the accurate driven roller 1,2 of two foundation.The transmitting ratio of each power wheel in inside of driving wheel group 9, high-speed driving should be made to take turns the revolution ratio of 6 and driven at low speed wheel 5, match with the rotation speed change ratio of variable speed drive (VSD) roller 3, such as, suppose the rotating speed requiring variable speed drive (VSD) roller 3 relative to the accurate driven roller 1,2 of two foundation, 4:1 is brought up to by original 1:1, that is the rotation speed change of variable speed drive (VSD) roller 3 is required than being 4:1, so transmitting ratio of each power wheel in the inside of driving wheel group 9, the revolution ratio that should make high-speed driving wheel 6 and driven at low speed wheel 5 is exactly 4:1.
Driving wheel group 9 in Fig. 2, its inner structure can comprise various known train, such as gear transmission train, synchronous belt transmission wheel system, or the combination of different train, as long as the driving wheel group formed 9 can make high-speed driving wheel 6, driven at low speed wheel 5 and the accurate driven roller 1,2 of two foundation form the interlock body of a synchronous axial system, and high-speed driving wheel 6 and the driven at low speed wheel revolution ratio of 5 are matched with the rotation speed change ratio of variable speed drive (VSD) roller 3.
Below in conjunction with Fig. 1 and Fig. 2, the inventive method is described, that is how makes the relative rotation speed of the variable speed drive (VSD) roller 3 in three-roller structure improve instantaneously.
Before the relative rotation speed improving variable speed drive (VSD) roller 3, magnetic clutch 8 is separated, another magnetic clutch 7 engages, make variable speed drive (VSD) roller 3 and driven at low speed take turns 5 and form drive connection, variable speed drive (VSD) roller 3 takes turns 5 driven rotary by driven at low speed, now, variable speed drive (VSD) roller 3 clips same Passive part 4 and rotates together with the accurate driven roller of two foundation 1,2, and high-speed driving wheel 6 drives idle running by driving wheel group 9, when needing the relative rotation speed improving variable speed drive (VSD) roller 3 instantaneously, magnetic clutch 7 is separated instantaneously, magnetic clutch 8 engages instantaneously, make variable speed drive (VSD) roller 3 and high-speed driving take turns 6 and form drive connection, variable speed drive (VSD) roller 3 takes turns 6 driven rotary by high-speed driving, after conversion, even if the absolute rotating speed of high-speed driving wheel 6 is dragged slowly by variable speed drive (VSD) roller 3, also 6 and driven at low speed wheel 5 and the accurate driven roller 1 of two foundation can be taken turns because of high-speed driving, the interlock body of a 2 formation synchronous axial system, and the rotating speed of high-speed driving wheel 6 relative to driven at low speed wheel 5 can not be reduced, that is, as long as variable speed drive (VSD) roller 3 and high-speed driving are taken turns 6 and are constituted drive connection, variable speed drive (VSD) roller 3 is relative to the accurate driven roller 1 of two foundation, the revolution ratio of 2, just can at transient rise to the intrinsic revolution ratio between high speed drive wheel 6 and driven at low speed wheel 5, required time is zero.
As preferred forms, by high-speed driving take turns 6, driven at low speed take turns 5, driving wheel group 9, and in the interlock body of synchronous axial system that forms of the accurate driven roller 1,2 of two foundation, the quality summation of the rotor of all formation meshing relations is at least the twice of the quality of variable speed drive (VSD) roller 3.High-speed driving can be made like this to take turns 6 can drive variable speed drive (VSD) roller 3 to accelerate with great kinetic energy, and high-speed driving wheel 6 is dragged slowly by variable speed drive (VSD) roller 3 hardly, and the absolute rotating speed of variable speed drive (VSD) roller 3 can be greatly improved instantaneously.
As further improvement, other swing type mechanisms in the equipment preferably driving wheel group 9 and three-roller structure applied are connected, the interlock body of a composition synchronous axial system.So, the original mechanism in the equipment that three-roller structure applies can be made full use of, and need not in order to increase the kinetic energy of high-speed driving wheel 6, increase the quality of the rotor in the high-speed driving wheel accurate driven roller 1,2 of 6, two foundation and driving wheel group 9 too much, both ensure that high-speed driving wheel 6 can with larger kinetic energy to improve the absolute rotating speed of variable speed drive (VSD) roller, turn avoid the weight for this reason and too much increasing whole equipment, the manufacturing cost of whole equipment can also be reduced.Such as, in the rewinding machine for the production of paper product such as toilet papers, rewinding machine inherently has numerous in pullling paper or changing paper direct of travel, or realize the live-rollers of other functions, as holding paper roller, dancing roll, friction roller etc., by these live-rollerss and the swing type mechanism that drives the mechanism of these live-rollerss to form, be connected with the driving wheel group 9 in the structure of three-roller shown in Fig. 2, the interlock body of a composition synchronous axial system, just can make full use of the original mechanism of rewinding machine to increase the kinetic energy of high-speed driving wheel 6, both ensure that high-speed driving wheel 6 can with larger kinetic energy to improve the absolute rotating speed of variable speed drive (VSD) roller, turn avoid and increase whole rewinding machine weight for this reason and too much, the manufacturing cost of whole rewinding machine can also be reduced.
In order to ensure that two magnetic clutchs 7,8 can switch at a terrific speed between engagement and released state, as further improvement, switch to the process of engagement at magnetic clutch from released state, forward high potential higher than its rated operational voltage can be imposed to magnetic clutch, the engagement action of magnetic clutch is accelerated with this, power to magnetic clutch with rated operational voltage more afterwards, make magnetic clutch keep engagement; Switch to the process of released state at magnetic clutch from engagement, the reverse voltage contrary with engagement can be imposed to magnetic clutch, accelerate the separating action of magnetic clutch with this, stop immediately more afterwards powering to magnetic clutch, make magnetic clutch keep released state.Switch to the process of released state at magnetic clutch from engagement, to the absolute value of the reverse voltage that magnetic clutch applies, preferably higher than the absolute value of the rated operational voltage of magnetic clutch, the separating action of magnetic clutch further can be accelerated like this.
Claims (2)
1. make the method that the relative rotation speed of the variable speed drive (VSD) roller in three-roller structure improves instantaneously, comprise three driven rollers clipping same Passive part (4) and rotate, in these three driven rollers, wherein two driven rollers are benchmark driven rollers (1, 2), a remaining driven roller is the variable speed drive (VSD) roller (3) needing to convert rotating speed, improve variable speed drive (VSD) roller (3) by the following method instantaneously relative to the accurate driven roller (1 of other two foundation, 2) rotating speed, the drive wheel that two rotating speeds are different is set, the revolution ratio of these two drive wheels, match with the rotation speed change ratio of variable speed drive (VSD) roller (3), described two drive wheels only have one of them and variable speed drive (VSD) roller (3) to form drive connection at synchronization, before the relative rotation speed improving variable speed drive (VSD) roller (3), the slower drive wheel (5) of rotating speed in variable speed drive (VSD) roller (3) and described two drive wheels forms drive connection, make variable speed drive (VSD) roller (3) and the accurate driven roller (1 of two foundation, 2) clip same Passive part (4) together to rotate, when needing the relative rotation speed improving variable speed drive (VSD) roller (3) instantaneously, switch the drive connection between variable speed drive (VSD) roller (3) and described two drive wheels instantaneously, make the rotating speed in variable speed drive (VSD) roller (3) and described two drive wheels faster drive wheel (6) form drive connection, variable speed drive (VSD) roller (3) is improved instantaneously relative to the accurate driven roller (1 of other two foundation with this, 2) rotating speed, it is characterized in that: make described two drive wheels (5, 6) with the accurate driven roller (1 of two foundation, 2) the interlock body of a synchronous axial system is formed, the driving wheel group (9) of described two drive wheels (5,6) by being made up of multiple intermeshing power wheel, the interlock body of synchronous axial system is formed with the accurate driven roller of two foundation (1,2), in this interlock body, the quality summation of the rotor of all formation meshing relations is at least the twice of the quality of variable speed drive (VSD) roller (3), other swing type mechanisms in the equipment that described driving wheel group (9) and three-roller structure are applied are connected, the interlock body of a composition synchronous axial system, the method of the drive connection switched between variable speed drive (VSD) roller (3) and described two drive wheels (5,6) is instantaneously, between variable speed drive (VSD) roller (3) and described two drive wheels (5,6), magnetic clutch is set respectively, switches the drive connection between variable speed drive (VSD) roller (3) and described two drive wheels by the engagement and released state controlling two magnetic clutchs, switch to the process of engagement at described magnetic clutch from released state, forward high potential higher than its rated operational voltage is imposed to magnetic clutch, accelerate the engagement action of magnetic clutch with this, return to rated operational voltage more afterwards, make magnetic clutch keep engagement, switch to the process of released state at described magnetic clutch from engagement, the reverse voltage contrary with engagement is imposed to magnetic clutch, accelerate the separating action of magnetic clutch with this, stop immediately more afterwards powering to magnetic clutch, make magnetic clutch keep released state, switch to the process of released state at magnetic clutch from engagement, to the absolute value of the reverse voltage that magnetic clutch applies, higher than the absolute value of the rated operational voltage of magnetic clutch.
2. a three-roller structure, comprise three driven rollers clipping same Passive part (4) and rotate, wherein two driven rollers are benchmark driven rollers (1, 2), a remaining driven roller needs to improve instantaneously its variable speed drive (VSD) roller (3) relative to the rotating speed of benchmark driven roller, in the rotating shaft of variable speed drive (VSD) roller (3), cover has high-speed driving wheel (6) and driven at low speed wheel (5) that can dally around this rotating shaft, variable speed drive (VSD) roller (3) is taken turns (6) and driven at low speed respectively by two magnetic clutchs and is taken turns (5) and form drive connection with high-speed driving, these two magnetic clutchs only have one of them to be in engagement at synchronization, it is characterized in that: described high-speed driving wheel (6) and driven at low speed wheel (5) driving wheel group (9) by being made up of multiple intermeshing power wheel, with the accurate driven roller (1 of two foundation, 2) the interlock body of synchronous axial system is formed, and the transmitting ratio of each power wheel in inside of this driving wheel group (9), high-speed driving is made to take turns the revolution ratio of (6) and driven at low speed wheel (5), match with the rotation speed change ratio of variable speed drive (VSD) roller (3), (6), described driven at low speed wheel (5), described driving wheel group (9) is being taken turns by described high-speed driving, and in the interlock body of synchronous axial system that forms of the accurate driven roller of described two foundation (1,2), the quality summation of the rotor of all formation meshing relations is at least the twice of the quality of variable speed drive (VSD) roller (3), other swing type mechanisms in the equipment that described driving wheel group (9) and three-roller structure are applied are connected, the interlock body of a composition synchronous axial system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210250661.0A CN102815566B (en) | 2012-07-19 | 2012-07-19 | Three-roller structure and improve the method for relative rotation speed of its variable speed drive (VSD) roller instantaneously |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210250661.0A CN102815566B (en) | 2012-07-19 | 2012-07-19 | Three-roller structure and improve the method for relative rotation speed of its variable speed drive (VSD) roller instantaneously |
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| Publication Number | Publication Date |
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| CN102815566A CN102815566A (en) | 2012-12-12 |
| CN102815566B true CN102815566B (en) | 2015-10-21 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1100186A (en) * | 1994-02-23 | 1995-03-15 | 余蜀翔 | Full-automatic change speed gear box |
| CN1292854A (en) * | 1998-03-09 | 2001-04-25 | 鲍德温奥莫尔艾特伯格公司 | Device relating to roll stands |
| CN2743622Y (en) * | 2004-04-06 | 2005-11-30 | 张军 | Device for obtaining unidirectional different rotating speeds by changing steering |
| CN1971083A (en) * | 2006-11-28 | 2007-05-30 | 张�雄 | Mechanical transmission and speed changing gear |
| CN202829055U (en) * | 2012-07-19 | 2013-03-27 | 佛山市宝索机械制造有限公司 | Three-roller mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4474034B2 (en) * | 2000-09-19 | 2010-06-02 | 住友重機械工業株式会社 | Conveyor roller drive device, drive roller device |
-
2012
- 2012-07-19 CN CN201210250661.0A patent/CN102815566B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1100186A (en) * | 1994-02-23 | 1995-03-15 | 余蜀翔 | Full-automatic change speed gear box |
| CN1292854A (en) * | 1998-03-09 | 2001-04-25 | 鲍德温奥莫尔艾特伯格公司 | Device relating to roll stands |
| CN2743622Y (en) * | 2004-04-06 | 2005-11-30 | 张军 | Device for obtaining unidirectional different rotating speeds by changing steering |
| CN1971083A (en) * | 2006-11-28 | 2007-05-30 | 张�雄 | Mechanical transmission and speed changing gear |
| CN202829055U (en) * | 2012-07-19 | 2013-03-27 | 佛山市宝索机械制造有限公司 | Three-roller mechanism |
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| CN102815566A (en) | 2012-12-12 |
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