CN103722026B - Tension test method for tension rollers - Google Patents
Tension test method for tension rollers Download PDFInfo
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- CN103722026B CN103722026B CN201310726998.9A CN201310726998A CN103722026B CN 103722026 B CN103722026 B CN 103722026B CN 201310726998 A CN201310726998 A CN 201310726998A CN 103722026 B CN103722026 B CN 103722026B
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- hydraulic cylinder
- servo hydraulic
- jockey pulley
- pressure sensor
- test method
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Abstract
The invention provides a tension test method for tension rollers, solving problems of high price and failure in repairing of tensiometers in the prior art. The tension test device for the tension rollers comprises a bearing block for bearing one tension roller, the bearing block is connected with a guide block that is connected with a servo hydraulic cylinder, and a pressure sensor is arranged at a lower cavity oil port of the servo hydraulic cylinder. Since the servo hydraulic cylinder is connected with the bearing block that is used for bearing the tension roller and the pressure sensor is arranged at the lower cavity oil port of the servo hydraulic cylinder, pressure applied to the tension roller is transmitted to the pressure sensor through the servo hydraulic cylinder and is detected by the pressure sensor and then compared with the set pressure value through the servo hydraulic cylinder, extension of the hydraulic cylinder is adjusted to adjust position of belts, and further, speed matching between racks is achieved under control. In addition, the servo hydraulic cylinder and the pressure sensor are low in manufacturing cost and are reusable and can be maintained even when damaged.
Description
Technical field
The present invention relates to milling train detection means, and in particular to a kind of method of strap tension in test milling train.
Background technology
Tension force is that the tension force that band is born between an extremely important parameter in cold continuous rolling process, frame is tandem rolling
During one of primary condition under the poised state, when the operation of rolling of cold continuous rolling is in stable state,
Relative stable relation is remain between each parameter, but if the strap tension generation between two frames is small
Change, will cause the destruction of this frame poised state, it is also possible to so that the poised state of whole Continuous mill train meets with
To destruction.Therefore, need to set tension force detection and tenslator between each frame of band cold continuous rolling.
At present, for speeds match problem between the frame of above-mentioned tandem mill, tensometer is added between mainly using frame
Mode solve.Its operation principle is the speed between the feedback signal using tensometer collection, synchronization bay,
According to the strap tension of default, it is set to be unlikely to, strip breakage, to be also unlikely to form heap between frame
Material.Prior art settling mode as shown in figure 1, the bearing block 2 for taking up jockey pulley 1 is connected with tensometer 11,
The tension force of jockey pulley is detected by tensometer.The key point of this system is the tensometer of tonometry, property
The tensometer of mainly ABB AB that can be relatively good, when band 9 gives 1 pressure of jockey pulley, tension force
Meter 11 can detect the pressure, it is ensured that pressure value is in the range of requiring.But the product is imported product, valency
Lattice are expensive, and delivery cycle is long, is disposable product, once breaking down, are also less prone to repair.
The content of the invention
The present invention proposes a kind of jockey pulley device for testing tensile force and method of testing, solves tension force in the prior art
The problem that meter is expensive, cannot repair.
The technical proposal of the invention is realized in this way：
A kind of jockey pulley device for testing tensile force, including take up the bearing block of jockey pulley, bearing block with can be along branch
The up and down guide pad of support guide pillar slide wall is connected, and guide pad is connected with servo hydraulic cylinder, servo hydraulic cylinder
Cavity of resorption oil port is provided with pressure sensor.
The cavity of resorption oil port is additionally provided with hydraulic lock.
The hydraulic lock is solenoid hydraulic lock.
Displacement transducer is also connected with the servo hydraulic cylinder.
Bearing block is connected with guide pad by bolt.
A kind of jockey pulley Tensile Test Method, is carried out in the following manner：
(1) jockey pulley two ends are placed in bearing block, bearing block and guide pad is linked up, be directed to block
It is connected with the piston rod of servo hydraulic cylinder, pressure sensor is set in the cavity of resorption oil port of servo hydraulic cylinder；
(2) after band threading completes to build, pressure sensor detects the change of servo-hydraulic in-cylinder pressure, and
The pressure information is compared with setting tension value, when pressure information is different from setting tension value,
The speed of frame is adjusted, until pressure sensor feedback information value is identical with setting tension value.
Preferably, displacement transducer is also connected with servo hydraulic cylinder, displacement transducer detection servo hydraulic cylinder
Flexible size.
The present invention is connected using servo hydraulic cylinder with the bearing block of jockey pulley, and in the cavity of resorption oil of hydraulic servo cylinder
Pressure sensor is set at mouthful, and when jockey pulley bears pressure, the pressure is transmitted by servo hydraulic cylinder
To pressure sensor, pressure sensor detects the pressure and with setting warp tension ratio compared with by adjusting servo-hydraulic
Flexible, the position of adjustment band of cylinder, and then control speeds match between frame.Hydraulic servo cylinder and pressure are passed
The cost of sensor is relatively low with respect to import tensometer price and can reuse, can also adjusting even if damaging.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to implementing
Example or the accompanying drawing to be used needed for description of the prior art are briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the use state schematic diagram of prior art.
Fig. 2 is use state schematic diagram of the invention.
Wherein, 1. jockey pulley, 2. bearing block, 3. guide pad, 4. servo hydraulic cylinder, 5. pressure sensor,
6. hydraulic lock, 7. displacement transducer, 8. cavity of resorption hydraulic fluid port, 9. band, 10. epicoele hydraulic fluid port, 11. tensometers.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not paying creation
Property work under the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.
As shown in Fig. 2 a kind of bearing block 2 tested the device of jockey pulley tension force, including take up jockey pulley 1,
Bearing block 2 is connected with guide pad 3, and guide pad 3 is connected with servo hydraulic cylinder 4, under servo hydraulic cylinder 4
Pressure sensor 5 is provided with chamber hydraulic fluid port 8.Bearing block 2 is connected with guide pad 3 by bolt.
The course of work of the present invention is as follows, and band 9 is acted on when on jockey pulley 1, there is A1And A2Two sides
To pulling force, the two pulling force make a concerted effort be A to pressure.After A is acted on jockey pulley 1 to pressure
Servo hydraulic cylinder 4 is passed to, the oil on servo hydraulic cylinder 4 is entered by epicoele hydraulic fluid port 10 and cavity of resorption hydraulic fluid port 8
Go out, be arranged on the pressure change that the pressure sensor 5 at cavity of resorption hydraulic fluid port 8 is detected in servo hydraulic cylinder 4
Information, and by the information with setting warp tension ratio compared with, and then control frame between speeds match.Guide pad 3 can edge
Supporting cell guide slide wall up and down, vertical shape is in when so can ensureing that servo hydraulic cylinder 4 stretches
State, will not produce skew.In installation process, it should reduce rubbing for guide pad 3 and cavity slide wall as far as possible
Power is wiped, and causes that the frictional force of servo hydraulic cylinder 4 is small as far as possible.
Hydraulic lock 6 is additionally provided with the cavity of resorption hydraulic fluid port 8, the hydraulic lock 6 is preferably solenoid hydraulic lock.Watching
Take installed additional at the cavity of resorption hydraulic fluid port 8 of hydraulic cylinder 4 hydraulic lock can system position position complete when, accurately protect
The lasting accuracy of card system, and prevent from being unloaded in the oil of the lower end of operation of rolling servo hydraulic cylinder 4.
As a further improvement, being also connected with displacement transducer 7 on the servo hydraulic cylinder 4.Using displacement sensor
Come 7 and may be such that the lifting of servo hydraulic cylinder 4 is more accurate, and then the more lifting of precise control jockey pulley.
The present invention also tool has the advantage that：1. servo hydraulic cylinder 4 is retracted during threading, can cause jockey pulley 1
Fall, it is to avoid threading is difficult and scratches jockey pulley；2. according to different thickness or the rolling needs of material band 9,
Jockey pulley 1 can be lifted by servo hydraulic cylinder 4, can so change band cornerite, the band of raising 9
Power control accuracy.
Jockey pulley Tensile Test Method of the present invention, is carried out in the following manner：
(1) two ends of jockey pulley 1 are placed in bearing block 2, bearing block 2 and guide pad 3 are linked up,
It is directed to block 3 to be connected with the piston rod of servo hydraulic cylinder 4, is set at the cavity of resorption hydraulic fluid port 8 of servo hydraulic cylinder 4
Put pressure sensor 5；
(2) after the threading of band 9 completes to build, the change of pressure in the detection servo hydraulic cylinder 4 of pressure sensor 5
Change, and the pressure information is compared with setting tension value, when pressure information is different from setting tension value
When, the speed of frame is adjusted, until the feedback information value of pressure sensor 5 is identical with setting tension value.
In addition, displacement transducer 7 is also connected with servo hydraulic cylinder 4, the detection servo-hydraulic of displacement transducer 7
The flexible size of cylinder 4, stretching for the piston of servo hydraulic cylinder 4 can be very easily detected by displacement transducer 7
Contracting distance, preferably control servo hydraulic cylinder 4 is flexible so that the control to the position of jockey pulley 1 is more smart
Really.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in this hair
Within bright spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in this hair
Within bright protection domain.
Claims (5)
1. a kind of jockey pulley Tensile Test Method, it is characterised in that carry out in the following manner：
(1) jockey pulley (1) two ends are placed in bearing block (2), by bearing block (2) and guide pad
(3) link up, be directed to block (3) and be connected with the piston rod of servo hydraulic cylinder (4), in servo hydraulic cylinder
(4) cavity of resorption hydraulic fluid port (8) place sets pressure sensor (5)；
(2) after band (9) threading completes to build, pressure sensor (5) detects servo hydraulic cylinder (4)
The change of interior pressure, and the pressure information is compared with setting tension value, when pressure information and setting
When force value is different, the speed of frame is adjusted, until pressure sensor (5) feedback information value with set
Determine tension value identical.
2. jockey pulley Tensile Test Method according to claim 1, it is characterised in that be according to following sides
What formula was carried out：Displacement transducer (7), displacement transducer (7) detection are also connected with servo hydraulic cylinder (4)
The flexible size of servo hydraulic cylinder (4).
3. jockey pulley Tensile Test Method according to claim 1, it is characterised in that the cavity of resorption oil
Mouth (8) place is additionally provided with hydraulic lock (6).
4. jockey pulley Tensile Test Method according to claim 3, it is characterised in that the hydraulic lock
(6) it is solenoid hydraulic lock.
5. jockey pulley Tensile Test Method according to claim 1, it is characterised in that the bearing block
(2) it is connected by bolt with guide pad (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310726998.9A CN103722026B (en) | 2013-12-24 | 2013-12-24 | Tension test method for tension rollers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310726998.9A CN103722026B (en) | 2013-12-24 | 2013-12-24 | Tension test method for tension rollers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103722026A CN103722026A (en) | 2014-04-16 |
| CN103722026B true CN103722026B (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310726998.9A Active CN103722026B (en) | 2013-12-24 | 2013-12-24 | Tension test method for tension rollers |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104971942B (en) * | 2015-05-25 | 2021-07-27 | 中冶天工集团有限公司 | Integral fixing method for tensiometer and matched roller |
| ES2945411T3 (en) | 2018-08-15 | 2023-07-03 | Muhr & Bender Kg | Device, rolling installation and method for regulating a front tension during flexible rolling of a metal strip |
| CN111256904B (en) * | 2018-11-30 | 2021-11-16 | 上海梅山钢铁股份有限公司 | Online calibration device and method for tensiometer |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU538751A1 (en) * | 1975-10-15 | 1976-12-15 | Краматорский Научно-Исследовательский И Проектно-Технологический Институт Машиностроения | Device for controlling the tension of the strip in continuous rolling mills |
| US4470297A (en) * | 1982-10-22 | 1984-09-11 | Kennecott Corporation | Camber-monitoring tensiometer |
| JPS62230420A (en) * | 1986-03-31 | 1987-10-09 | Kobe Steel Ltd | Verification device for tension meter for cold rolling mill and the like |
| JPH01205815A (en) * | 1988-02-15 | 1989-08-18 | Kobe Steel Ltd | Method and apparatus for controlling rotary tension fluctuation of take-up reel |
| DE4321230A1 (en) * | 1993-06-25 | 1995-03-02 | Siemens Ag | Device for the metrological registration of the strip tension in strip rolling mills |
| CN2282463Y (en) * | 1996-09-28 | 1998-05-27 | 北京科技大学 | Tension sensor for rolling mill |
| CN100588475C (en) * | 2007-11-26 | 2010-02-10 | 中国重型机械研究院 | On-line tension force detecting mechanism |
| JP5587825B2 (en) * | 2011-05-11 | 2014-09-10 | 株式会社日立製作所 | Tension control device and control method for hot rolling mill |
| JP5517994B2 (en) * | 2011-05-26 | 2014-06-11 | 三菱電機株式会社 | Tension detection mechanism |
| CN102407235B (en) * | 2011-11-24 | 2013-07-24 | 德阳宏广科技有限公司 | Continuous-rolling production line of continuous-casting and continuous-rolling lead belt for preparing slab lattice |
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2013
- 2013-12-24 CN CN201310726998.9A patent/CN103722026B/en active Active
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