CN104785531A - Cluster mill upper transmission roller transmission shaft balance mechanism - Google Patents
Cluster mill upper transmission roller transmission shaft balance mechanism Download PDFInfo
- Publication number
- CN104785531A CN104785531A CN201510223073.1A CN201510223073A CN104785531A CN 104785531 A CN104785531 A CN 104785531A CN 201510223073 A CN201510223073 A CN 201510223073A CN 104785531 A CN104785531 A CN 104785531A
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- oil cylinder
- shape frame
- roll
- support body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The invention relates to a cluster mill upper transmission roller transmission shaft balance mechanism which comprises a rack. An oil cylinder is fixed on the rack, and a piston rod of the oil cylinder is perpendicular to the top face of the rack, penetrates through the top of the rack and extends downwards. A fork head is connected with the piston rod of the oil cylinder through a first pin shaft, and the other end of the fork head is connected with a C-shaped frame through a second pin shaft. The C-shaped frame can rotate around the second pin shaft, two riding wheels which are identical in size are fixed at the bottom of the C-shaped frame through a wheel axle, and the tops of the two riding wheels are located on the same straight line. When an upper transmission roller moves up and down and moves left and right along with changing of the opening degree of a roller clearance, the cluster mill upper transmission roller transmission shaft balance mechanism can achieve the stable and reliable balance effect when the upper transmission roller is located at any position, and rolling stability and the thickness precision of a rolled finished product are improved.
Description
Technical field
The present invention relates to a kind of multi-roll mill, be specifically related to the more complicated upper driving roll of roll movement locus in multi-roll mill and balancing machine for transmission shaft structure.
Background technology
Roller mill top roll is the layout of falling turriform of 4-3-2-1 or 3-2-1 form, and upper driving roll can drop downwards under gravity, cannot form 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 does not normally arrange roll neck and radial axle bearing, because multi-roll mill dummy roll needs to bear very large rolling torsion, roll neck place diameter diminishes, and holds and can't stand larger 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 equilibrant force to be delivered to the driving end of dummy roll, the mode of concrete picking-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 force, utilizes power transmission shaft to be delivered on upper driving roll by equilibrant force.The advantage of this structure is that dummy roll driving end diameter can be consistent with roll surface diameter, comparatively high pulling torque can be transmitted, but because 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, its position is not only and is adjusted in perpendicular, but in adjustment up and down, and existing bascule supporting plate only can adjust along column up and down, therefore the power transmission shaft of position in change up and down can not be held stably, the bad stability having influence on rolling of counterbalance effect.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the object of the present invention is to provide a kind of structure simple, the power transmission shaft that position is changing up and down can be held stably, the multi-roll mill upper driving roll uploading the balance requirement of action roller and power transmission shaft and the balancing machine for transmission shaft structure of movement locus complexity in multi-roll mill can be met.
In order to achieve the above object, the technical scheme that the present invention takes is: a kind of multi-roll mill upper driving roller transmission shaft balanced controls, comprise support body, described support body is fixed with oil cylinder, the end face of the vertical and support body of the piston rod of this oil cylinder, and through the top of support body to downward-extension, the piston rod of described oil cylinder is connected with jaw by bearing pin one, the other end of described jaw is connected with C shape frame by bearing pin two, this C shape frame can rotate around bearing pin two, the bottom of described C shape 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 comprise alignment pin, this alignment pin is provided with dowel hole through being located at described C shape frame, and C shape frame is stuck on support body.
Described support body is the framework be welded by square steel.
The bottom of described C shape frame is level.
The radius of described C shape frame is greater than the radius of held up power transmission shaft.
The present invention adopts above technical scheme, have the following advantages, when upper driving roll moves up and down with the change of roll gap opening degree, no matter it is at an arbitrary position, mechanism can both obtain reliable and stable counterbalance effect, improves the stability of rolling and shuts out the thickness and precision of finished product.
Accompanying drawing explanation
Fig. 1: structural representation of the present invention;
Fig. 2: work structuring schematic diagram of 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; 11. upper driving rolls; 12. dowel holes; 13. alignment pins.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, a kind of multi-roll mill upper driving roller transmission shaft balanced controls, comprise support body 3, described support body 3 is fixed with oil cylinder 2, the end face of the vertical and support body 3 of the piston rod of this oil cylinder 2, and through the top of support body 3 to downward-extension, the piston rod of described oil cylinder 2 is connected with jaw 5 by bearing pin 1, the other end of described jaw 5 is connected with C shape frame 7 by bearing pin 26, this C shape frame 7 can rotate around bearing pin two, the bottom of described C shape frame 7 is fixed with two identical support rollers 9 of size by wheel shaft 10, and the top of these two support rollers 9 is located on the same line.
In the process of work, crown gear coupling 1 and upper driving roll 11 couple together by power transmission shaft 8 respectively as shown in Figure 2, one end that power transmission shaft 8 connects roll along with roll motion with crown gear coupling 1 for hinge rotation, C shape frame 7 can rotate around bearing pin 26, and C shape frame 7 there are two support rollers 9, no matter power transmission shaft 8 is in optional position up and down, corresponding oil cylinder 2 stroke and C shape frame 7 pendulum angle when two support rollers 9 can both be found simultaneously tangent with power transmission shaft 8.
Oil cylinder 2 can drive the action of C shape frame 7, during work, oil cylinder 2 provides the power of overbalance upwards, mechanism is under the effect of overbalance power, C shape frame 7 and two support rollers 9 can automatic capturing to simultaneously tangent with power transmission shaft 8 position of two support rollers 9, support roller 9 holds power transmission shaft 8, thus band dynamic balancing upper driving roll 11, upper driving roll 11 is abutted against on the roll of last layer.
Oil cylinder 2 provides the power of overbalance upwards in using always, and plunger shaft is with skimmer circuit; When upper driving roll 11 changes position with the change of roll gap opening degree, C shape frame 7 and two support rollers 9 re-start automatic capturing: if oil cylinder 2 cylinder bar corresponding to reposition needs upwards to bounce back, oil cylinder 2 goes out force direction always upwards, and therefore oil cylinder 2 cylinder bar automatic retracted is to corresponding position; If the oil cylinder 2 that reposition is corresponding needs downward elongation, because oil cylinder 2 plunger shaft is with skimmer circuit, oil cylinder 2 cylinder bar is elongated to corresponding position under the drive of upper driving roll 11.
Jaw 5 can rotate around bearing pin 1, therefore power transmission shaft 8 one end of connecting roll along with roll motion with crown gear coupling 1 for hinge rotate time, support roller 9 can automatic capturing, make C shape 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 shown in Figure 1, also comprise alignment pin 13, this alignment pin 13 is provided with dowel hole 12 through being located at described C shape frame 7, C shape frame 7 is stuck on support body 3, in the normal course of work, oil cylinder 2 provides the power of overbalance upwards in using always, and plunger shaft is with skimmer circuit; When upper driving roll 11 changes position with the change of roll gap opening degree, C shape frame 7 and two support rollers 9 re-start automatic capturing: if oil cylinder 2 cylinder bar corresponding to reposition needs upwards to bounce back, oil cylinder 2 goes out force direction always upwards, and therefore oil cylinder 2 cylinder bar automatic retracted is to corresponding position; If the oil cylinder 2 that reposition is corresponding needs downward elongation, because oil cylinder 2 plunger shaft is with skimmer circuit, oil cylinder 2 cylinder bar is elongated to corresponding position under the drive of upper driving roll 11.But when in debug process, without in rolled piece situation in milling train, oil-break is there is or leakage causes dropping of upper driving roll 11 for preventing oil cylinder 2, roll is caused to damage, when mechanism C shape frame 7 rises to upper limit, alignment pin 12 inserts C shape frame 7 and is stuck on support body 3 by C shape frame 7, can avoid the generation of above-mentioned situation.
Embodiment 3
On the basis of embodiment 1 or 2, because C shape frame 7 holds up power transmission shaft 8, the weight ratio of power transmission shaft 8 is larger, and in the process of work, C shape 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 larger, and therefore described support body 3 is the frameworks be welded by square steel.
Implement 4
On the basis of embodiment 1 or 2, in order to the support roller 9 on C shape frame 7 can hold turning cylinder 8 stably, C shape frame 7 can wrap turning cylinder 8 completely simultaneously, the danger that turning cylinder 8 drops can not be there is because parcel does not live turning cylinder 8, the bottom of described C shape frame 7 is levels, and the radius of described C shape frame 7 is greater than the radius of held up power transmission shaft.
In sum, can find out, oil cylinder 2 provides the power of overbalance upwards in using always, and plunger shaft is with skimmer circuit; When upper driving roll 11 changes position with the change of roll gap opening degree, C shape frame 7 and two support rollers 9 re-start automatic capturing: if oil cylinder 2 cylinder bar corresponding to reposition needs upwards to bounce back, oil cylinder 2 goes out force direction always upwards, and therefore oil cylinder 2 cylinder bar automatic retracted is to corresponding position; If the oil cylinder 2 that reposition is corresponding needs downward elongation, because oil cylinder 2 plunger shaft is with skimmer circuit, oil cylinder 2 cylinder bar is elongated to corresponding position under the drive of upper driving roll 11.
Jaw 5 can rotate around bearing pin 1, therefore power transmission shaft 8 one end of connecting roll along with roll motion with crown gear coupling 1 for hinge rotate time, support roller 9 can automatic capturing, make C shape 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.
More than exemplifying is only illustrate of the present invention, does not form the restriction to protection scope of the present invention, everyly all belongs within protection scope of the present invention with the same or analogous design of the present invention.
Claims (5)
1. multi-roll mill upper driving roller transmission shaft balanced controls, it is characterized in that, comprise support body (3), described support body (3) is fixed with oil cylinder (2), the end face of the vertical and support body (3) of the piston rod of this oil cylinder (2), and through the top of support body (3) to downward-extension, the piston rod of described oil cylinder (2) is connected with jaw (5) by bearing pin one (4), the other end of described jaw (5) is connected with C shape frame (7) by bearing pin two (6), this C shape frame (7) can rotate around bearing pin two, the bottom of described C shape 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.
2. a kind of multi-roll mill upper driving roller transmission shaft balanced controls according to claim 1, it is characterized in that, also comprise alignment pin (13), this alignment pin (13) is provided with dowel hole (12) through being located at described C shape frame (7), and C shape frame (7) is stuck on support body (3).
3. a kind of multi-roll mill upper driving roller transmission shaft balanced controls according to claim 1, it is characterized in that, described support body (3) is the framework be welded by square steel.
4. a kind of multi-roll mill upper driving roller transmission shaft balanced controls according to claim 1, it is characterized in that, the bottom of described C shape frame (7) is level.
5. a kind of multi-roll mill upper driving roller transmission shaft balanced controls according to claim 1, is characterized in that, the radius of described C shape frame (7) is greater 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 true CN104785531A (en) | 2015-07-22 |
| CN104785531B CN104785531B (en) | 2016-08-17 |
Family
ID=53550976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510223073.1A Active CN104785531B (en) | 2015-05-05 | 2015-05-05 | Transmission roller transmission shaft balanced controls on a kind of multi-roll mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104785531B (en) |
Citations (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 |
| CN102814338A (en) * | 2012-09-07 | 2012-12-12 | 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 |
-
2015
- 2015-05-05 CN CN201510223073.1A patent/CN104785531B/en active Active
Patent Citations (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 |
| CN102814338A (en) * | 2012-09-07 | 2012-12-12 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104785531B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201669267U (en) | Horizontal and vertical switchable rolling mill set | |
| CN104477821B (en) | Balance wheel structure with damping function | |
| CN102632115B (en) | A kind of three rolls plate bending machine | |
| CN102553911A (en) | Full-hydraulic roll gap adjusting short-stress-path rolling mill | |
| CN105015781A (en) | Throwing device of unmanned machine | |
| CN102764769B (en) | Roller radial adjusting mechanism of cross beam type four-roller profile rolling mill | |
| CN101758074A (en) | Mandrel-holding device for tube mills | |
| CN101549457A (en) | Transmission long axis alignment and adjustment device | |
| CN202290889U (en) | Straightening roller balancing device | |
| CN101733288B (en) | Device for balancing upper and lower main transmission shafts of heavy and medium plate mill | |
| CN204638723U (en) | A kind of multi-roll mill upper driving roller transmission shaft balanced controls | |
| CN204638716U (en) | Adjustable for height core holding device | |
| CN201394570Y (en) | Short stress path rolling mill | |
| CN103433297B (en) | Tension stable control device for skin pass mill | |
| CN201343885Y (en) | Support structure of movable chassis for no need to avoid type stereoscopic parking space | |
| CN104785531A (en) | Cluster mill upper transmission roller transmission shaft balance mechanism | |
| CN102059557A (en) | Machining equipment with auxiliary guide rail unloading mechanism | |
| CN102581080A (en) | Short-stress-path multi-roller straightener | |
| CN202824132U (en) | Rolling mill back-up roll bearing seat automatic position adjusting device | |
| CN102641919A (en) | Cylinder bracket for crimping | |
| CN209006409U (en) | A kind of c-type rack that can assemble more y-type rolling mills | |
| CN110142318B (en) | Profile bending machine for power transmission tower | |
| CN106670267A (en) | Depressing and balancing device for steel section straightener | |
| CN203678857U (en) | Bracket of coupling shaft of rolling mill | |
| CN201405190Y (en) | Alignment and regulation device of transmission long shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |