CN104785531B - Transmission roller transmission shaft balanced controls on a kind of multi-roll mill - Google Patents
Transmission roller transmission shaft balanced controls on a kind of multi-roll mill Download PDFInfo
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- CN104785531B CN104785531B CN201510223073.1A CN201510223073A CN104785531B CN 104785531 B CN104785531 B CN 104785531B CN 201510223073 A CN201510223073 A CN 201510223073A CN 104785531 B CN104785531 B CN 104785531B
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Abstract
The present invention relates to transmission roller transmission shaft balanced controls on a kind of multi-roll mill, including support body, it is fixed with oil cylinder on described support body, the piston rod of this oil cylinder is vertical and the end face of support body, and through the top down extension of support body, the piston rod of described oil cylinder is connected by bearing pin one jaw, the other end of described jaw is connected by bearing pin two C-shaped frame, this C-shaped frame can rotate around bearing pin two, the bottom of described C-shaped frame is fixed with two identical support rollers of size by wheel shaft, and the top of these two support rollers is located on the same line.Upper dummy roll with the change of roll gap opening degree when moving up and down, no matter its at an arbitrary position, mechanism can obtain reliable and stable counterbalance effect, improves the stability of rolling and shuts out the thickness and precision of finished product.
Description
Technical field
The present invention relates to a kind of multi-roll mill, be specifically related to the more complicated upper dummy roll of roll movement locus in multi-roll mill and balancing machine for transmission shaft structure.
Background technology
Roller mill upper roller system is the layout of falling turriform of 4-3-2-1 or 3-2-1 form, and upper dummy roll can drop downwards under gravity, it is impossible to forms the stable system of falling tower rollers.Once the mode having scheme directly to arrange hydraulic cylinder suspension radial axle bearing on the roll neck of roll two ends balances, and multi-roll mill dummy roll driving end is typically to be not provided with roll neck and radial axle bearing, because multi-roll mill dummy roll needs to bear the biggest rolling torsion, at roll neck, diameter diminishes, and holds and can't stand bigger rolling torsion.The balanced structure of existing multi-roll mill dummy roll is: utilize spring to hang radial axle bearing at fore side, transmission side utilizes power transmission shaft that equilibrant is delivered to the driving end of dummy roll, the concrete mode holding up power transmission shaft is that power transmission shaft held by supporting plate, supporting plate can slide up and down along column, supporting plate is divided into spring and is provided equilibrant, utilizes power transmission shaft to be delivered on upper dummy roll by equilibrant.The advantage of this structure is that dummy roll driving end diameter can be consistent with roll surface diameter, high torque can be transmitted, but owing to the topping roll of the milling trains such as 20 rollers, twelve high mill is with the change of roll gap opening degree, the mutual physical dimension of roll changes, adjustment is not only in perpendicular in its position, but in adjustment up and down, and existing bascule supporting plate is only capable of adjusting up and down along column, therefore the position power transmission shaft in change up and down, the bad stability having influence on rolling of counterbalance effect can not be held smoothly.
Summary of the invention
For the shortcoming overcoming above-mentioned prior art, it is an object of the invention to provide a kind of simple in construction, position can be held smoothly at the power transmission shaft changed up and down, it is possible to meet dummy roll and balancing machine for transmission shaft structure on the upper live-roller of movement locus complexity in multi-roll mill and the multi-roll mill of transmission shaft balancing requirement.
In order to achieve the above object, the technical scheme that the present invention takes is: transmission roller transmission shaft balanced controls on a kind of multi-roll mill, including support body, it is fixed with oil cylinder on described support body, the piston rod of this oil cylinder is vertical and the end face of support body, and through the top down extension of support body, the piston rod of described oil cylinder is connected by bearing pin one jaw, the other end of described jaw is connected by bearing pin two C-shaped frame, this C-shaped frame can rotate around bearing pin two, the bottom of described C-shaped frame is fixed with two identical support rollers of size by wheel shaft, and the top of these two support rollers is located on the same line.
Also including alignment pin, this alignment pin passes through described C-shaped frame and is provided with dowel hole, and C-shaped frame is stuck on support body.
Described support body is the framework being welded by square steel.
The bottom of described C-shaped frame is level.
The radius of described C-shaped frame is more than the radius of held up power transmission shaft.
The present invention uses above technical scheme, having the following advantages, upper dummy roll is with the change of roll gap opening degree when moving up and down, and no matter it is at an arbitrary position, mechanism can obtain reliable and stable counterbalance effect, improves the stability of rolling and shuts out the thickness and precision of finished product.
Accompanying drawing explanation
The structural representation of Fig. 1: the present invention；
The work structuring schematic diagram of Fig. 2: the present invention.
In figure: 1. crown gear coupling；2. oil cylinder；3. support body；4. bearing pin one；5. jaw；6. bearing pin two；7.C shape frame；8. power transmission shaft；9. support roller；10. wheel shaft；Dummy roll on 11.；12. dowel holes；13. alignment pins.
Detailed description of the invention
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment 1
As shown in Figure 1, transmission roller transmission shaft balanced controls on a kind of multi-roll mill, including support body 3, it is fixed with oil cylinder 2 on described support body 3, the piston rod of this oil cylinder 2 is vertical and the end face of support body 3, and through the top down extension of support body 3, the piston rod of described oil cylinder 2 is connected by bearing pin 1 jaw 5, the other end of described jaw 5 is connected by bearing pin 26 C-shaped frame 7, this C-shaped frame 7 can rotate around bearing pin two, the bottom of described C-shaped frame 7 is fixed with two identical support rollers of size 9 by wheel shaft 10, and the top of these two support rollers 9 is located on the same line.
During work, crown gear coupling 1 and upper dummy roll 11 are coupled together by power transmission shaft 8 respectively as shown in Figure 2, power transmission shaft 8 connects one end of roll along with roll motion is with crown gear coupling 1 for hinge rotation, C-shaped frame 7 can rotate around bearing pin 26, and there are two support rollers 9 in C-shaped frame 7, no matter power transmission shaft 8 is in optional position up and down, can find oil cylinder 2 stroke corresponding time the most tangent with power transmission shaft 8 of two support rollers 9 and C-shaped frame 7 pendulum angle.
Oil cylinder 2 can drive C-shaped frame 7 action, during work, oil cylinder 2 provides overbalance power upwards, mechanism is under overbalance power effect, C-shaped frame 7 and two support rollers 9 can automatic capturing to two support roller 9 positions the most tangent with power transmission shaft 8, support roller 9 holds power transmission shaft 8, thus dynamic roll 11 is uploaded in band dynamic balancing, dummy roll 11 is made to abut against on the roll of last layer.
Oil cylinder 2 provides overbalance power upwards in using always, and plunger shaft is with skimmer circuit；When upper dummy roll 11 changes position with the change of roll gap opening degree, C-shaped frame 7 and two support rollers 9 re-start automatic capturing: if oil cylinder 2 cylinder rod that newly position is corresponding needs upwards to bounce back, oil cylinder 2 goes out force direction all the way up, and therefore oil cylinder 2 cylinder rod automatic retracted is to corresponding position；If the oil cylinder 2 that newly position is corresponding needs stretch downward, owing to oil cylinder 2 plunger shaft is elongated to corresponding position with skimmer circuit, oil cylinder 2 cylinder rod under the drive of upper dummy roll 11.
Jaw 5 can rotate around bearing pin 1, therefore power transmission shaft 8 connect one end of roll along with roll motion with crown gear coupling 1 for hinge rotate time, support roller 9 can automatic capturing, make C-shaped frame 7 plane vertical with the axial line of power transmission shaft 8, support roller 9 and power transmission shaft 8 can linear contact lay, improve the stationary performance of mechanism balance.
Embodiment 2
As it is shown in figure 1, also include alignment pin 13, this alignment pin 13 passes through described C-shaped frame 7 and is provided with dowel hole 12, C-shaped frame 7 is stuck on support body 3, in normal work process, oil cylinder 2 provides overbalance power upwards in using always, and plunger shaft is with skimmer circuit；When upper dummy roll 11 changes position with the change of roll gap opening degree, C-shaped frame 7 and two support rollers 9 re-start automatic capturing: if oil cylinder 2 cylinder rod that newly position is corresponding needs upwards to bounce back, oil cylinder 2 goes out force direction all the way up, and therefore oil cylinder 2 cylinder rod automatic retracted is to corresponding position；If the oil cylinder 2 that newly position is corresponding needs stretch downward, owing to oil cylinder 2 plunger shaft is elongated to corresponding position with skimmer circuit, oil cylinder 2 cylinder rod under the drive of upper dummy roll 11.But when during debugging, in milling train without rolled piece in the case of, for preventing oil cylinder 2 from occurring oil-break or leakage to cause dropping of upper dummy roll 11, roll is caused to damage, when mechanism C-shaped frame 7 rises to upper limit, alignment pin 12 inserts C-shaped frame 7 and C-shaped frame 7 is stuck on support body 3, can avoid the generation of above-mentioned situation.
Embodiment 3
On the basis of embodiment 1 or 2, because C-shaped frame 7 is to hold up power transmission shaft 8, the weight ratio of power transmission shaft 8 is bigger, and during work, C-shaped frame 7 is connected with oil cylinder 2, and oil cylinder 2 is fixed on support body 3, and the weight carried all is carried on support body 3, therefore the bearing capacity of support body 3 is bigger, and therefore described support body 3 is the framework being welded by square steel.
Implement 4
On the basis of embodiment 1 or 2, in order to the support roller 9 in C-shaped frame 7 can hold rotary shaft 8 smoothly, C-shaped frame 7 can wrap rotary shaft 8 completely simultaneously, because of parcel incessantly rotary shaft 8, the danger that rotary shaft 8 drops will not occur, the bottom of described C-shaped frame 7 is level, and the radius of described C-shaped frame 7 is more than the radius of held up power transmission shaft.
In view of the foregoing it is apparent that, oil cylinder 2 provides overbalance power upwards in using always, and plunger shaft is with skimmer circuit；When upper dummy roll 11 changes position with the change of roll gap opening degree, C-shaped frame 7 and two support rollers 9 re-start automatic capturing: if oil cylinder 2 cylinder rod that newly position is corresponding needs upwards to bounce back, oil cylinder 2 goes out force direction all the way up, and therefore oil cylinder 2 cylinder rod automatic retracted is to corresponding position；If the oil cylinder 2 that newly position is corresponding needs stretch downward, owing to oil cylinder 2 plunger shaft is elongated to corresponding position with skimmer circuit, oil cylinder 2 cylinder rod under the drive of upper dummy roll 11.
Jaw 5 can rotate around bearing pin 1, therefore power transmission shaft 8 connect one end of roll along with roll motion with crown gear coupling 1 for hinge rotate time, support roller 9 can automatic capturing, make C-shaped frame 7 plane vertical with the axial line of power transmission shaft 8, support roller 9 and power transmission shaft 8 can linear contact lay, improve the stationary performance of mechanism balance.
Exemplified as above is only the illustration to the present invention, is not intended that the restriction to protection scope of the present invention, within the every and same or analogous design of the present invention belongs to protection scope of the present invention.
Claims (5)
1. transmission roller transmission shaft balanced controls on a multi-roll mill, it is characterized in that, including support body (3), it is fixed with oil cylinder (2) on described support body (3), the piston rod of this oil cylinder (2) is perpendicular to the end face of support body (3), and through the top down extension of support body (3), the piston rod of described oil cylinder (2) is connected by bearing pin one (4) jaw (5), the other end of described jaw (5) is connected by bearing pin two (6) C-shaped frame (7), this C-shaped frame (7) can rotate around bearing pin two, the bottom of described C-shaped frame (7) is fixed with two the identical support roller of sizes (9) by wheel shaft (10), and the top of these two support rollers (9) is located on the same line.
Transmission roller transmission shaft balanced controls on a kind of multi-roll mill the most according to claim 1, it is characterized in that, also include that alignment pin (13), this alignment pin (13) pass through described C-shaped frame (7) and be provided with dowel hole (12), C-shaped frame (7) is stuck on support body (3).
Transmission roller transmission shaft balanced controls on a kind of multi-roll mill the most according to claim 1, it is characterised in that described support body (3) is the framework being welded by square steel.
Transmission roller transmission shaft balanced controls on a kind of multi-roll mill the most according to claim 1, it is characterised in that the bottom of described C-shaped frame (7) is level.
Transmission roller transmission shaft balanced controls on a kind of multi-roll mill the most according to claim 1, it is characterised in that the radius of described C-shaped frame (7) is more than the radius of held up power transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510223073.1A CN104785531B (en) | 2015-05-05 | 2015-05-05 | Transmission roller transmission shaft balanced controls on a kind of multi-roll mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510223073.1A CN104785531B (en) | 2015-05-05 | 2015-05-05 | Transmission roller transmission shaft balanced controls on a kind of multi-roll mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104785531A CN104785531A (en) | 2015-07-22 |
| CN104785531B true CN104785531B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510223073.1A Active CN104785531B (en) | 2015-05-05 | 2015-05-05 | Transmission roller transmission shaft balanced controls on a kind of multi-roll mill |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11169922A (en) * | 1997-12-12 | 1999-06-29 | Ishikawajima Harima Heavy Ind Co Ltd | Rolling roll shifting device |
| CN201034787Y (en) * | 2007-01-16 | 2008-03-12 | 首钢总公司 | Pneumatic power bracket used for balancing drive axle gravitational force |
| CN102814338B (en) * | 2012-09-07 | 2014-12-10 | 无锡市桥联冶金机械有限公司 | Transmission shaft balancing device of rolling machine |
| WO2014146792A1 (en) * | 2013-03-22 | 2014-09-25 | Pmp Industries S.P.A. | Adjustment system |
| CN204638723U (en) * | 2015-05-05 | 2015-09-16 | 中国重型机械研究院股份公司 | A kind of multi-roll mill upper driving roller transmission shaft balanced controls |
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2015
- 2015-05-05 CN CN201510223073.1A patent/CN104785531B/en active Active
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| Publication number | Publication date |
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| CN104785531A (en) | 2015-07-22 |
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