CN201524700U - Collective drive system of metal axial tandem mill - Google Patents
Collective drive system of metal axial tandem mill Download PDFInfo
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- CN201524700U CN201524700U CN2009202475550U CN200920247555U CN201524700U CN 201524700 U CN201524700 U CN 201524700U CN 2009202475550 U CN2009202475550 U CN 2009202475550U CN 200920247555 U CN200920247555 U CN 200920247555U CN 201524700 U CN201524700 U CN 201524700U
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- planetary gear
- symmetrical expression
- differential mechanism
- shaft
- cone planetary
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Abstract
The utility model relates to a collective drive system of a metal axial tandem mill, wherein one, two or four AC (alternating current) motors form a power mechanism by a symmetrical conical planetary gear differential, the symmetrical conical planetary gear differential and a single-stage retarding mechanism which are arranged parallel to a mill train to form a transmission mechanism, a driving gear shaft and a right half shaft of the symmetrical conical planetary gear differential are respectively connected with a single-stage reduction gear and a single-stage accelerating machine by a universal drive shaft, a unidirectional overdrive clutch is arranged between a left half shaft and a shell of the symmetrical conical planetary gear differential and respectively connected with a driving roll and a curling device of the mill by the universal drive shaft. The system can automatically conduct second flow rate matching to realize the rolling condition with equal second flow rate, can be used for various tandem mills with or without the curling device and various metal drawing processing equipment, and has simple structure and low manufacturing cost.
Description
One, technical field
The utility model relates to metal shaping equipment, particularly a kind of group drive system for metal axial continuous mill.
Two, background technology
As everyone knows, the metal axial continuous rolling process will be realized that stable state is rolling and must equate to be prerequisite with the second flow amount of rolled piece by each rolling mill roll.For satisfying this condition, present metal axial tandem mill generally adopts computer controlled automatic and high accuracy collective transmission dual mode.Adopt computer controlled automatic, to on every rolling mill, install low and frequency conversion control device additional, install the kink maker additional between per two rolling mills, to carry out repeatedly careful parametric measurement earlier to the relative stations of technological equipment, then according to the laid down by rolling procedure of measuring, set up Mathematical Modeling, the exploitation corresponding software disposes corresponding P-C system to equipment.This control mode structure and technical sophistication are invested hugely, and because of all there is certain inertia in the power motor of each sortie milling train, response speed is limited, and control accuracy is limited, can not eliminate the generation that heap draws accident fully.Adopt the transmission of high accuracy collective, be representative with the root milling train that rubs that generally uses at present, very high though mill speed is fast to the required precision of the precision of milling train and rolled piece, milling train manufacturing expense costliness, maintenance period is long, and whole rolling is only limited to wire production.
For overcoming above-mentioned technological deficiency, publication number is that the Chinese utility application specification of CN1279138 has disclosed a kind of group drive system for metal axial continuous mill.It is power that this system adopts an alternating current generator, is made of parts such as the symmetrical expression cone planetary gear differential mechanism that equates with the mill stand sub-quantity and supporting with it reducing gear and mono-directional overrun clutch.This transmission adopted symmetrical expression cone planetary gear differential mechanism and assembly thereof carry out collective's transmission and control to the milling train driven roller, though can realize the second flow amount mates automatically, satisfy the rolling condition that the second flow amount equates, and have simple in structure, the advantage that manufacturing expense is low, but this transmission system is also because of existing following shortcoming to make it be difficult to promote the use of: the one, and many symmetrical expression cone planetary gear differential mechanisms of this transmission system adopt a plain shaft to connect each other, make it planar can only become two column distributions, this just makes the tandem rolling unit of this system of employing can only be installed in its top, for satisfying the transmission requirement, the length of rolling mill roll must equate with the span of two row symmetrical expression cone planetary gear differential mechanisms, make roll length longer, can only roll wide strip, this has just limited the range of application of this transmission system; Simultaneously longer because of connecting axle, also be difficult to the required precision of the system that guarantees.The 2nd, this transmission system does not have to consider to have the tandem mill of crimping device, and the crimping device of the tandem mill of transmission simultaneously must set up the crimping device transmission mechanism for the tandem mill that has crimping device.The 3rd, this transmission system is a power with a motor, and power is limited, does not consider how system improves power output problem when power can not satisfy the milling train requirement.The 4th, this transmission system is for realizing milling train rolled piece exit function, and the ad hoc rolled piece drawing-out mechanism that is made of cone gear reducer, worm reduction gear and two-stage involute cylindrical gear decelerator has increased the complexity of system architecture.The 5th, the reductor and the differential mechanism that are complementary with each symmetrical expression cone planetary gear differential mechanism in this transmission system are made of one, and parts are difficult for standardization, the manufacturing cost height.
Three, utility model content
The purpose of this utility model is improved at the shortcoming of above-mentioned tandem mill collective transmission system, a kind of applied range, the tandem mill of transmission simultaneously crimping device are provided, can increase power with the multiple electric motors combination, simple in structure and parts are easy to standardized group drive system for metal axial continuous mill.
The group drive system for metal axial continuous mill that the utility model provides is made up of actuating unit and transmission mechanism, and its actuating unit is a kind of in following three kinds:
1) end by an alternating current generator and universal drive shaft joins;
2) joined with two semiaxis of symmetrical expression cone planetary gear differential mechanism respectively by two alternating current generators, the driving gear shaft of symmetrical expression cone planetary gear differential mechanism and an end of universal drive shaft join;
3) four alternating current generators are divided into two groups, every group two, two semiaxis with symmetrical expression cone planetary gear differential mechanism join respectively, the driving gear shaft of symmetrical expression cone planetary gear differential mechanism joins by two semiaxis of universal drive shaft and another symmetrical expression cone planetary gear differential mechanism respectively, and the driving gear shaft of this symmetrical expression cone planetary gear differential mechanism and an end of another universal drive shaft join;
Described transmission mechanism comprise with the corresponding single reduction gear unit of first sortie milling train, with the follow-up milling train of first sortie milling train and the corresponding symmetrical expression cone planetary gear of crimping device differential mechanism, with corresponding single reduction gear unit of symmetrical expression cone planetary gear differential mechanism and single-stage booster engine; Wherein with the corresponding single reduction gear unit of first sortie milling train and with the follow-up milling train of first sortie milling train and crimping device corresponding symmetrical expression cone planetary gear differential mechanism and milling train unit parallel arranged planar, with the corresponding single reduction gear unit of symmetrical expression cone planetary gear differential mechanism and milling train unit also parallel arranged planar; Join with the driving gear shaft of the corresponding last frame symmetrical expression cone planetary gear differential mechanism of crimping device and the universal drive shaft other end in the said actuating unit, the driving gear shaft of all the other symmetrical expression cone planetary gear differential mechanisms joins by the passive tooth wheel shaft of universal drive shaft and single reduction gear unit and single-stage booster engine respectively; The driving gear shaft of single reduction gear unit and single-stage booster engine joins by the right axle shaft of universal drive shaft and symmetrical expression cone planetary gear differential mechanism respectively; Between the left half axle of symmetrical expression cone planetary gear differential mechanism and its housing mono-directional overrun clutch is installed, and joins with the driven roller and the crimping device of milling train respectively by universal drive shaft; Join with the driving gear shaft of the corresponding single reduction gear unit of the first sortie milling train passive tooth wheel shaft by universal drive shaft and secondary single reduction gear unit, the passive tooth wheel shaft then joins by the driven roller of universal drive shaft and first sortie milling train.
When the utility model is used for the tandem mill of the bent device of the roll coil of strip not, the single-stage booster engine in the above-mentioned transmission system can be changed into single reduction gear unit; The left half axle of the symmetrical expression cone planetary gear differential mechanism of the former corresponding crimping device driven roller by universal drive shaft and last sortie milling train is joined, and remaining part and connected mode are all same as described above.
The utility model transmission system does not have excessive demand to the precision of milling train, system only requires that the diameter of each sortie rolling mill roll and rotating ratio equate substantially, be a last sortie rolling mill roll fame nominal and an adjacent back sortie rolling mill roll diameter slightly with, and rotating ratio is slightly smaller than 0.5 and gets final product.This condition is extremely easy to obtain, and therefore each sortie milling train also obtains comparatively loose percentage elongation.Strip finishing mill with anodontia wheel seat is an example, its operation of rolling is: when milling train dallies, each sortie rolling mill roll does not have load, and this moment, two semiaxis of symmetrical expression cone planetary gear differential mechanism under the effect of mono-directional overrun clutch all were in relative blocking with its housing, with the speed running; When rolled piece is nipped, the housing of each sortie mono-directional overrun clutch and symmetrical expression cone planetary gear differential mechanism is opened disengaging successively, and each sortie rolling mill roll is converted into automatic matching status in the following instant of control that rolled piece parts power and symmetrical expression cone planetary gear differential mechanism a little; When rolled piece withdraws from, since the second sortie rolling mill roll, successively rapidly by universal drive shaft and mono-directional overrun clutch, symmetrical expression cone planetary gear differential mechanism semiaxis and its housing are locked one by one, till the most last sortie milling train is finished rolling curling, thereby finish a rolling cycle, the whole rolling overall process of debugging that comprises is all finished at random.
The utility model transmission system can be mated the equal rolling condition of realization second flow amount and simple in structure by the second flow amount automatically except having, outside the low advantage of manufacturing expense, also have the following advantages: the one, adopt single reduction gear unit and symmetrical expression cone planetary gear differential mechanism are separated, and with universal drive shaft with itself and a plurality of symmetrical expression cone planetary gear differential mechanism ways of connecting, make symmetrical expression cone planetary gear differential mechanism can with the milling train unit planar and column distribution, this just makes transmission system can be installed in a side of tandem rolling unit, length to rolling mill roll does not require, thereby enlarged the scope of application of this transmission system, be not only applicable to the processing type steel, the strip steel, tubing, the various tandem mills of wire rod also can be used for various metal drawing process equipments; The 2nd, system accuracy is less demanding, is easy to adopt standardized component, and manufacturing cost further reduces; The 3rd, system only needs that a single-stage booster engine is changed into single reduction gear unit and just makes its tandem mill that both can be used for having crimping device, also can be used for the not tandem mill of the bent device of the roll coil of strip; The 4th, system adopts the form of multiple electric motors combination to increase power, can satisfy the needs of different loads milling train; The 5th, rolled piece only withdraws from can realize there are not other parts by the mono-directional overrun clutch of setting up on each symmetrical expression cone planetary gear differential mechanism, and system architecture is further simplified.
The quantity of symmetrical expression cone planetary gear differential mechanism equates with the milling train of the tandem mill of institute transmission and the quantity of crimping device in the utility model transmission system.
At present, symmetrical expression cone planetary gear differential mechanism can have been done very compact small and exquisitely, and its maximum load ability can reach 2400KNM, and this just provides very advantageous conditions for enforcement of the present utility model.
Four, description of drawings
Fig. 1 is an embodiment of the present utility model---the structural representation that is used to have seven sortie tandem mills of crimping device and collective's transmission system of power is provided by an alternating current generator;
Fig. 2 is the structural representation of the actuating unit that is made of two alternating current generators;
Fig. 3 is the structural representation of the actuating unit that is made of four alternating current generators.
Five, the specific embodiment
With reference to Fig. 1, the seven sortie tandem mill collective transmission systems that have crimping device, provide power by an alternating current generator 1, alternating current generator 1 joins with the driving gear shaft of the symmetrical expression cone planetary gear differential mechanism 4-7 of corresponding crimping device 7-8 by universal drive shaft 3-15, thereby constitute a complete dynamical system, the output torque and the rotating speed of alternating current generator are decided as required.Mono-directional overrun clutch 5-7 is installed between the housing of symmetrical expression cone planetary gear differential mechanism 4-7 and the left half axle, left half axle joins by universal drive shaft 6-8 and crimping device 7-8, the right axle shaft of symmetrical expression cone planetary gear differential mechanism 4-7 joins by universal drive shaft 3-14 and single-stage booster engine 2-8, single-stage booster engine 2-8 joins by the driving gear shaft of universal drive shaft 3-13 and adjacent preceding sortie symmetrical expression cone planetary gear differential mechanism 4-6, mono-directional overrun clutch 5-6 is installed between the housing of symmetrical expression cone planetary gear differential mechanism 4-6 and the left half axle, left half axle joins by the driven roller 7-7 of universal drive shaft 6-7 and milling train, the right axle shaft of symmetrical expression cone planetary gear differential mechanism 4-6 joins by universal drive shaft 3-12 and single reduction gear unit 2-7, single reduction gear unit 2-7 is connected with the driving gear shaft of adjacent preceding sortie symmetrical expression cone planetary gear differential mechanism 4-5 by universal drive shaft 3-11, mono-directional overrun clutch 5-5 is installed between the housing of this symmetrical expression cone planetary gear differential mechanism 4-5 and the left half axle, left half axle joins by the driven roller 7-6 of universal drive shaft 6-6 and milling train, the right axle shaft of symmetrical expression cone planetary gear differential mechanism 4-5 joins by universal drive shaft 3-10 and single reduction gear unit 2-6, single reduction gear unit 2-6 is connected with the driving gear shaft of adjacent preceding sortie symmetrical expression cone planetary gear differential mechanism 4-4 by universal drive shaft 3-9, mono-directional overrun clutch 5-4 is installed between the housing of this symmetrical expression cone planetary gear differential mechanism 4-4 and the left half axle, left half axle joins by the driven roller 7-5 of universal drive shaft 6-5 and milling train, the right axle shaft of symmetrical expression cone planetary gear differential mechanism 4-4 joins by universal drive shaft 3-8 and single reduction gear unit 2-5, single reduction gear unit 2-5 is connected with the driving gear shaft of adjacent preceding sortie symmetrical expression cone planetary gear differential mechanism 4-3 by universal drive shaft 3-7, mono-directional overrun clutch 5-3 is installed between the housing of this symmetrical expression cone planetary gear differential mechanism 4-3 and the left half axle, left half axle joins by the driven roller 7-4 of universal drive shaft 6-4 and milling train, the right axle shaft of symmetrical expression cone planetary gear differential mechanism 4-3 joins by universal drive shaft 3-6 and single reduction gear unit 2-4, single reduction gear unit 2-4 is connected with the driving gear shaft of adjacent preceding sortie symmetrical expression cone planetary gear differential mechanism 4-2 by universal drive shaft 3-5, mono-directional overrun clutch 5-2 is installed between the housing of this symmetrical expression cone planetary gear differential mechanism 4-2 and the left half axle, left half axle joins by the driven roller 7-3 of universal drive shaft 6-3 and milling train, the right axle shaft of symmetrical expression cone planetary gear differential mechanism 4-2 joins by universal drive shaft 3-4 and single reduction gear unit 2-3, single reduction gear unit 2-3 is connected with the driving gear shaft of adjacent preceding sortie symmetrical expression cone planetary gear differential mechanism 4-1 by universal drive shaft 3-3, mono-directional overrun clutch 5-1 is installed between the housing of symmetrical expression cone planetary gear differential mechanism 4-1 and the left half axle, left half axle joins by the driven roller 7-2 of universal drive shaft 6-2 and milling train, the right axle shaft of symmetrical expression cone planetary gear differential mechanism 4-1 joins by universal drive shaft 3-2 and single reduction gear unit 2-2, the passive tooth wheel shaft of single reduction gear unit 2-2 and the end of universal drive shaft 3-1 join, the other end of universal drive shaft 3-1 is connected with the driving gear shaft of single reduction gear unit 2-1, and the passive tooth wheel shaft of single reduction gear unit 2-1 joins by the driven roller 7-1 of universal drive shaft 6-1 and first sortie milling train.
With reference to Fig. 2, the actuating unit that constitutes by two alternating current generators be with two alternating current generator 1 '-1 with 1 '-2 respectively with symmetrical expression cone planetary gear differential mechanism 4 ' two semiaxis be connected, symmetrical expression cone planetary gear differential mechanism 4 ' driving gear shaft and universal drive shaft 3 ' an end join.During use, replace the actuating unit that constitutes by separate unit alternating current generator 1-1 among Fig. 1 with it, with universal drive shaft 3 ' the other end join with the driving gear shaft of the symmetrical expression cone planetary gear differential mechanism 4-7 of corresponding tandem mill crimping device 7-8 and get final product.
With reference to Fig. 3, the actuating unit that is made of four alternating current generators is that four alternating current generators 1 " 1,1 "-2,1 " 3,1 "-4 is divided into two groups, every group two, two semiaxis with symmetrical expression cone planetary gear differential mechanism 4 " 1 and 4 "-2 join respectively, " two semiaxis of 3 join the driving gear shaft of symmetrical expression cone planetary gear differential mechanism 4 " 1 and 4 "-2, and symmetrical expression cone planetary gear differential mechanism 4 " 3 driving gear shaft and universal drive shaft 3 "-1 one ends join with symmetrical expression cone planetary gear differential mechanism 4 by universal drive shaft 3 " 2 and 3 "-3 respectively.During use, with the actuating unit that is made of separate unit alternating current generator 1-1 among its replacement Fig. 1, " 1 the other end joins with the driving gear shaft of the symmetrical expression cone planetary gear differential mechanism 4-7 of corresponding tandem mill crimping device 7-8 and gets final product with universal drive shaft 3.
As previously mentioned, when above-mentioned transmission system is used for the tandem mill of the bent device of the roll coil of strip not, only needs will a single-stage booster engine wherein to change into single reduction gear unit and get final product, all the other are all constant.Need to prove that the transmission system after so changing is still within protection domain of the present utility model.
Claims (1)
1. a group drive system for metal axial continuous mill is made up of actuating unit and transmission mechanism, it is characterized in that, described actuating unit is a kind of in following three kinds:
1) joins by the end of an alternating current generator (1) with universal drive shaft (3-15);
2) joined with two semiaxis of symmetrical expression cone planetary gear differential mechanism (4 ') respectively by two alternating current generators (1 '-1,1 '-2), an end of the driving gear shaft of symmetrical expression cone planetary gear differential mechanism (4 ') and universal drive shaft (3 ') joins;
3) four alternating current generators (1 " 1,1 "-2,1 " 3,1 "-4) are divided into two groups, every group two, two semiaxis with symmetrical expression cone planetary gear differential mechanism (4 " 1,4 "-2) join respectively, the driving gear shaft of symmetrical expression cone planetary gear differential mechanism (4 " 1,4 "-2) joins by two semiaxis of universal drive shaft (3 " 2,3 "-3) and another symmetrical expression cone planetary gear differential mechanism (4 " 3) respectively, and the driving gear shaft of this symmetrical expression cone planetary gear differential mechanism (4 " 3) and another universal drive shaft (3 "-a 1) end joins;
Described transmission mechanism comprise with the corresponding single reduction gear unit of first sortie milling train (2-1), with the follow-up milling train of first sortie milling train and the corresponding symmetrical expression cone planetary gear of crimping device differential mechanism (4-1,4-2,4-3,4-4,4-5,4-6,4-7), with corresponding single reduction gear unit of symmetrical expression cone planetary gear differential mechanism (2-2,2-3,2-4,2-5,2-6,2-7) and single-stage booster engine (2-8); Wherein with the corresponding single reduction gear unit of first sortie milling train and with the follow-up milling train of first sortie milling train and crimping device corresponding symmetrical expression cone planetary gear differential mechanism and milling train unit parallel arranged planar, with the corresponding single reduction gear unit of symmetrical expression cone planetary gear differential mechanism and single-stage booster engine and milling train unit also parallel arranged planar; With the driving gear shaft of the corresponding last frame symmetrical expression cone planetary gear differential mechanism of crimping device (7-8) (4-7) and the universal drive shaft (3-15 in the said actuating unit, 3 ', 3 " 1) other end joins, and the driving gear shaft of all the other symmetrical expression cone planetary gear differential mechanisms joins by the passive tooth wheel shaft of universal drive shaft (3-3,3-5,3-7,3-9,3-11,3-13) with single reduction gear unit (2-3,2-4,2-5,2-6,2-7) and single-stage booster engine (2-8) respectively; The driving gear shaft of single reduction gear unit (2-2,2-3,2-4,2-5,2-6,2-7) and single-stage booster engine (2-8) joins by the right axle shaft of universal drive shaft (3-2,3-4,3-6,3-8,3-10,3-12,3-14) with symmetrical expression cone planetary gear differential mechanism respectively; Mono-directional overrun clutch (5-1,5-2,5-3,5-4,5-5,5-6,5-7) is installed between the left half axle of symmetrical expression cone planetary gear differential mechanism and its housing, and joins with the driven roller (7-2,7-3,7-4,7-5,7-6,7-7) and the crimping device (7-8) of milling train respectively by universal drive shaft (6-2,6-3,6-4,6-5,6-6,6-7,6-8); Join by the passive tooth wheel shaft of universal drive shaft (3-1) with secondary single reduction gear unit (2-2) with the driving gear shaft of the corresponding single reduction gear unit of first sortie milling train (2-1), the passive tooth wheel shaft then joins by the driven roller (7-1) of universal drive shaft (6-1) with first sortie milling train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202475550U CN201524700U (en) | 2009-10-27 | 2009-10-27 | Collective drive system of metal axial tandem mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202475550U CN201524700U (en) | 2009-10-27 | 2009-10-27 | Collective drive system of metal axial tandem mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201524700U true CN201524700U (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202475550U Expired - Lifetime CN201524700U (en) | 2009-10-27 | 2009-10-27 | Collective drive system of metal axial tandem mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201524700U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101695716B (en) * | 2009-10-27 | 2011-08-10 | 夏仁和 | Group drive system for metal axial continuous mill |
| CN104284740A (en) * | 2012-05-07 | 2015-01-14 | 西门子工业公司 | Modular rolling mill |
| CN105215056A (en) * | 2015-10-27 | 2016-01-06 | 中冶赛迪工程技术股份有限公司 | A kind of transmission device of overload of helping each other and control method |
| CN107363100A (en) * | 2017-08-25 | 2017-11-21 | 北京京诚之星科技开发有限公司 | Transmission system for single-frame single-transmission stretch-reducing mill |
-
2009
- 2009-10-27 CN CN2009202475550U patent/CN201524700U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101695716B (en) * | 2009-10-27 | 2011-08-10 | 夏仁和 | Group drive system for metal axial continuous mill |
| CN104284740A (en) * | 2012-05-07 | 2015-01-14 | 西门子工业公司 | Modular rolling mill |
| CN105215056A (en) * | 2015-10-27 | 2016-01-06 | 中冶赛迪工程技术股份有限公司 | A kind of transmission device of overload of helping each other and control method |
| CN107363100A (en) * | 2017-08-25 | 2017-11-21 | 北京京诚之星科技开发有限公司 | Transmission system for single-frame single-transmission stretch-reducing mill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100714 Effective date of abandoning: 20091027 |