CN100518974C - Hydraulic pressure looper gear - Google Patents
Hydraulic pressure looper gear Download PDFInfo
- Publication number
- CN100518974C CN100518974C CNB2006100297028A CN200610029702A CN100518974C CN 100518974 C CN100518974 C CN 100518974C CN B2006100297028 A CNB2006100297028 A CN B2006100297028A CN 200610029702 A CN200610029702 A CN 200610029702A CN 100518974 C CN100518974 C CN 100518974C
- Authority
- CN
- China
- Prior art keywords
- kink
- rotating shaft
- steel band
- hydraulic cylinder
- loop back
- 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.)
- Expired - Fee Related
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- Control Of Metal Rolling (AREA)
- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
Abstract
The invention discloses a hydraulic pressure looper gear which comprises a machine and a control circuit, wherein, the machine comprises a hydraulic cylinder seat, a hydraulic cylinder, a looper roller seat, a looper roller, a crank buffer arm, a swinging arm of rotating shaft and a rotating shaft; one end of the swinging arm of rotating shaft is fixedly connected with the looper roller and the other end of the swinging arm is connected to the end of the rotating shaft which can rotate freely; an axis of the rotating shaft is in parallel with that of the looper roller; one end of the crank buffer arm is fixedly connected with the looper roller and the other end of the crank buffer arm is hinged with one end of the hydraulic cylinder the other end of which is hinged with the hydraulic cylinder seat; the control circuit comprises a speed regulator which is connected to a current regulator to control a motor. With the structure, the invention has the advantages of compact and simple structure of the whole device, small inertia of the system while in use, capability of full meeting the requirements of quick reaction of speed regulation and error collection and maintaining of constant tension rolling in the rolling process.
Description
Technical field
The present invention relates to a kind of hydraulic pressure looper gear.
Background technology
In being rolled the technical process of steel plate, need steel plate to keep certain force of strain always, therefore need in the middle of individual rolling equipment, corresponding apparatus be set, steel plate is propped up, steel plate is tightened up and keeps tension force.
Existing looper gear system rotary inertia is big, and response speed is slow; The big floor space of weight is big; The stall motor costs an arm and a leg.
Summary of the invention
Technical problem to be solved by this invention provides a kind of hydraulic pressure looper gear, can make the band steel between planishing stand under constant low-tension state, keep certain little cover amount, form the adjusting buffering link of tension force, when the appearance velocity deviation between planishing stand, can in time regulate the kink amount, the retainer belt steel only is subjected to constant low-tension, send signal simultaneously, regulate the speed of milling train main transmission, with the velocity deviation of correction appearance, thereby keep hot strip steel under constant low-tension state, to be rolled.
For solving the problems of the technologies described above, the technical scheme of hydraulic pressure looper gear of the present invention is, comprises mechanical device and control circuit,
Described mechanical device comprises hydraulic cylinder seat, hydraulic cylinder, kink roller seat, loop back roll, crank buffer arm, rotating shaft swing arm and rotating shaft, and described hydraulic cylinder seat and kink roller seat are fixed; The described loop back roll that can freely rotate is arranged on the described kink roller seat; Described rotating shaft swing arm has two, and an end of each rotating shaft swing arm is fixedlyed connected with described loop back roll, and the other end connects the end of the described rotating shaft that can freely rotate; The axis of described rotating shaft parallels with the axis of described loop back roll; Described rotating shaft is driven by a motor; One end of described crank buffer arm is fixedlyed connected with described loop back roll, and an end of the other end and described hydraulic cylinder is hinged, and the other end of described hydraulic cylinder and described hydraulic cylinder seat are hinged;
Described control circuit, the tension force calculator that can import the tension force setting value, the steel band deadweight compensator that kink deadweight compensator and one can input tape reset definite value all is connected to a signal amplifier, described signal amplifier and an electromotive force arithmetic unit are connected to a speed regulator, described speed regulator is connected to a current regulator, described current regulator is connected to the power supply of the motor that is connected with rotating shaft motor is controlled, described power supply feedback is connected to described current regulator and described electromotive force arithmetic unit, described control circuit also comprises a kink lifting controller and an angle detector that detects described loop back roll rotational angle, described kink lifting controller and described angle detector all are connected to steel band memory length calculator between a frame, steel band memory length calculator is connected to a kink amount adjuster between described frame, described kink amount adjuster is connected to a kink deadweight compensator, described kink deadweight compensator is connected to a steel band speed regulator, and described steel band speed regulator is connected to working roll master motor control loop;
Comprising that also can be carried out the given steel band memory length instrument that looper height is set between steel band memory length calculator and the kink deadweight compensator between described frame, steel band memory length calculator all is connected to kink amount adjuster between described given steel band memory length instrument and described frame.
The present invention makes whole apparatus structure compact simple by said structure, and the inertia of system is little during use, and it is fast fully to satisfy in the operation of rolling speed governing correction reaction, keeps the requirement of permanent tension-rolling.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is the structural representation of hydraulic pressure looper gear mechanical part of the present invention;
Fig. 2 is the structural representation of hydraulic pressure looper gear control circuit part of the present invention;
Fig. 3 is installed in structural representation in the rolling equipment for hydraulic pressure looper gear of the present invention;
Fig. 4 is a hydraulic pressure looper gear work schematic diagram of the present invention.
Reference numeral is among the figure, 1. the hydraulic cylinder seat; 2. hydraulic cylinder; 3. kink roller seat; 4. loop back roll; 5. crank buffer arm; 6. rotating shaft swing arm; 7. rotating shaft; 8. transfer plate; 901. tension force calculator; 902. kink deadweight compensator; 903. steel band deadweight compensator; 904. signal amplifier; 905. speed regulator; 906. current regulator; 907. power supply; 908. electromotive force arithmetic unit; 909. rotating shaft motor; 910. angle detector; 911. kink lifting controller; 912. signal processor; 913. steel band memory length calculator between frame; 914. kink amount adjuster; 915. given steel band memory length instrument; 916. kink deadweight compensator; 917. steel band speed regulator; 918. working roll master motor control loop.
The specific embodiment
A kind of hydraulic pressure looper gear of the present invention, comprise mechanical device and control circuit, its mechanical device can be referring to Fig. 1 and Fig. 3, described mechanical device comprises hydraulic cylinder seat 1, hydraulic cylinder 2, kink roller seat 3, loop back roll 4, crank buffer arm 5, rotating shaft swing arm 6 and rotating shaft 7, and described hydraulic cylinder seat 1 and kink roller seat 3 are fixed; The described loop back roll 4 that can freely rotate is arranged on the described kink roller seat 3; Described rotating shaft swing arm 6 has two, and an end of each rotating shaft swing arm 6 is fixedlyed connected with described loop back roll 4, and the other end connects the end of the described rotating shaft 7 that can freely rotate; The axis of described rotating shaft 7 parallels with the axis of described loop back roll 4; Described rotating shaft 7 is driven by a motor 909; One end of described crank buffer arm 5 is fixedlyed connected with described loop back roll 4, and an end of the other end and described hydraulic cylinder 2 is hinged, and the other end of described hydraulic cylinder 2 and described hydraulic cylinder seat 1 are hinged; Described loop back roll 4 tops are provided with transfer plate 8.
Described control circuit can be referring to Fig. 2, the tension force calculator 901 that can import the tension force setting value, the steel band deadweight compensator 903 that kink deadweight compensator 902 and one can input tape reset definite value all is connected to a signal amplifier 904, described signal amplifier 904 and an electromotive force arithmetic unit 908 are connected to a speed regulator 905, described speed regulator 905 is connected to a current regulator 906, described current regulator 906 is connected to 907 pairs of motors 909 of power supply of the motor 909 that is connected with rotating shaft and controls, make the rotating speed of motor 909 to be complementary with the speed of service of steel band, described power supply 907 feedbacks are connected to described current regulator 906 and described electromotive force arithmetic unit 908.
Described control circuit also comprises a kink lifting controller 911 and an angle detector 910 that detects described loop back roll 4 rotational angles, described angle detector 910 can detect the pendulum angle of rotating shaft swing arm 6 by coding disk, described kink lifting controller 911 and described angle detector 910 all are connected to steel band memory length calculator 913 between a frame, steel band memory length calculator 913 is connected to a kink amount adjuster 914 between described frame, described kink amount adjuster 914 is connected to a kink deadweight compensator 916, described kink deadweight compensator 916 is connected to a steel band speed regulator 917, and described steel band speed regulator 917 is connected to working roll master motor control loop 918.When the angle of rotating shaft swing arm 6 changes, just can be by the foregoing circuit structure so that the speed of the equipment of forebay and afer bay is made corresponding adjustment, to guarantee the operate as normal of whole system.
Comprising that also can be carried out the given steel band memory length instrument 915 that looper height is set between steel band memory length calculator 913 and the kink deadweight compensator 914 between described frame, steel band memory length calculator 913 all is connected to kink amount adjuster 914 between described given steel band memory length instrument 915 and described frame.Described kink amount adjuster 914 can be analyzed the information that steel band memory length calculator 913 between described frame and described given steel band memory length instrument 915 transmit, obtain afterwards kink hydraulic pressure supporter the side-play amount that should move, this offset information finally is passed to relevant executing agency.
Between described kink lifting controller 911 and angle detector 910 and described frame between the steel band memory length calculator 913, also be provided with a signal processor 912, circuit signal is complementary before and after being used for making.
The duty of hydraulic pressure looper gear of the present invention can by stretching of hydraulic cylinder, can drive loop back roll and rotate, thereby make the rotating shaft swing arm swing referring to Fig. 4, changes the height of rotating shaft, to change the tension force of steel band.When initial, rotating shaft is in lower position, when steel band when forebay is nipped afer bay, rotating shaft is lifted, and makes the steel band tensioning.When the needs roll change, rotating shaft can swing to higher position, carries out the operation of roll change.
Claims (2)
1. a hydraulic pressure looper gear is characterized in that, comprises mechanical device and control circuit,
Described mechanical device comprises hydraulic cylinder seat, hydraulic cylinder, kink roller seat, loop back roll, crank buffer arm, rotating shaft swing arm and rotating shaft, and described hydraulic cylinder seat and kink roller seat are fixed; The described loop back roll that can freely rotate is arranged on the described kink roller seat; Described rotating shaft swing arm has two, and an end of each rotating shaft swing arm is fixedlyed connected with described loop back roll, and the other end connects the end of the described rotating shaft that can freely rotate; The axis of described rotating shaft parallels with the axis of described loop back roll; Described rotating shaft is driven by a motor; One end of described crank buffer arm is fixedlyed connected with described loop back roll, and an end of the other end and described hydraulic cylinder is hinged, and the other end of described hydraulic cylinder and described hydraulic cylinder seat are hinged;
Described control circuit, the tension force calculator that can import the tension force setting value, the steel band deadweight compensator that kink deadweight compensator and one can input tape reset definite value all is connected to a signal amplifier, described signal amplifier and an electromotive force arithmetic unit are connected to a speed regulator, described speed regulator is connected to a current regulator, described current regulator is connected to the power supply of the motor that is connected with rotating shaft motor is controlled, described power supply feedback is connected to described current regulator and described electromotive force arithmetic unit, described control circuit also comprises a kink lifting controller and an angle detector that detects described loop back roll rotational angle, described kink lifting controller and described angle detector all are connected to steel band memory length calculator between a frame, steel band memory length calculator is connected to a kink amount adjuster between described frame, described kink amount adjuster is connected to a kink deadweight compensator, described kink deadweight compensator is connected to a steel band speed regulator, and described steel band speed regulator is connected to working roll master motor control loop;
Comprising that also can be carried out the given steel band memory length instrument that looper height is set between steel band memory length calculator and the kink deadweight compensator between described frame, steel band memory length calculator all is connected to kink amount adjuster between described given steel band memory length instrument and described frame.
2. hydraulic pressure looper gear as claimed in claim 1 is characterized in that, described loop back roll top is provided with transfer plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100297028A CN100518974C (en) | 2006-08-03 | 2006-08-03 | Hydraulic pressure looper gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100297028A CN100518974C (en) | 2006-08-03 | 2006-08-03 | Hydraulic pressure looper gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101116875A CN101116875A (en) | 2008-02-06 |
| CN100518974C true CN100518974C (en) | 2009-07-29 |
Family
ID=39053222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100297028A Expired - Fee Related CN100518974C (en) | 2006-08-03 | 2006-08-03 | Hydraulic pressure looper gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100518974C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180373A (en) * | 2011-02-25 | 2011-09-14 | 北京星和众工设备技术股份有限公司 | Dancer roll device |
| CN107812792A (en) * | 2017-10-11 | 2018-03-20 | 河钢股份有限公司 | A kind of accuracy control method of wire and rod continuous rolling tension force |
| CN109248929A (en) * | 2018-10-26 | 2019-01-22 | 山东钢铁集团日照有限公司 | A kind of hot-strip loop tension difference measuring device |
| CN109731929B (en) * | 2018-12-22 | 2020-08-21 | 鞍钢集团信息产业有限公司 | Hydraulic loop control method based on pole allocation method |
| CN111974815B (en) * | 2019-05-22 | 2022-03-18 | 宝山钢铁股份有限公司 | Device and method for judging state of looping roller for preventing strip steel from being scratched |
-
2006
- 2006-08-03 CN CNB2006100297028A patent/CN100518974C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101116875A (en) | 2008-02-06 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090729 Termination date: 20160803 |
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| CF01 | Termination of patent right due to non-payment of annual fee |