CN205526185U - Roll table speed control system feeds - Google Patents
Roll table speed control system feeds Download PDFInfo
- Publication number
- CN205526185U CN205526185U CN201620101333.8U CN201620101333U CN205526185U CN 205526185 U CN205526185 U CN 205526185U CN 201620101333 U CN201620101333 U CN 201620101333U CN 205526185 U CN205526185 U CN 205526185U
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- China
- Prior art keywords
- charging roller
- motor
- roller table
- speed governing
- variable
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a roll table speed control system feeds, it includes: roller motor feeds, the roller motor that feeds is connected with the roll table transmission of feeding to the roll table action of feeding that the roller motor that feeds drive is corresponding, the variable frequency speed governing(VFSG) unit, the variable frequency speed governing(VFSG) unit includes variable frequency speed governing(VFSG) ware, brake unit and speed governing potentiometre, and the power input end of variable frequency speed governing(VFSG) ware links to each other with three phase current, and the power output end of variable frequency speed governing(VFSG) ware links to each other with the roller motor that feeds, brake unit and speed governing potentiometre are continuous with the control input end of variable frequency speed governing(VFSG) ware respectively, still be connected with on the variable frequency speed governing(VFSG) ware and be used for control to start the just direction changing control relay and/or be used for starting the dynamic relay that opens of variable frequency speed governing(VFSG) ware of just reversing of roller motor of feeding. The utility model discloses can carry out speed regulation to the roll table of feeding according to pipe length to accurately will manage the material carries preset position to descend one shot operation.
Description
Technical field
This utility model relates to a kind of charging roller table speed-adjusting and control system.
Background technology
At present, recently as Market competition, controlling more and more lower to production cost, meeting production requirement simultaneously, cost is the lowest more good, and energy efficiency controls also to become one of company's important goal.
Charging rollgang totally 3 each 3.2KW at present, run according to rated speed.When produce more than 1.4m pipe time the biggest to the shock met and discussed, the butt that crashes when producing below 1.4m pipe is hit smaller, so when producing different pipe, speed can not adjust, it is impossible to accurately pipe is transported to specify position, affects rhythm of production, operation controls difficulty, and can produce unnecessary fault and stop platform, meet and discuss and often knocked, materials in the tube are easily because impacting ground of dropping.Also result in unnecessary energy waste simultaneously.
Summary of the invention
Technical problem to be solved in the utility model is the defect overcoming prior art, a kind of charging roller table speed-adjusting and control system is provided, it can carry out speed adjustment according to pipe length to charging roller table, thus materials in the tube are transported to precalculated position exactly and carry out next step operation.
In order to solve above-mentioned technical problem, the technical solution of the utility model is: a kind of charging roller table speed-adjusting and control system, and it includes:
Charging roller table motor, described charging roller table motor is in transmission connection with charging roller table, in order to charging roller table motor drives corresponding charging roller table action；
Frequency control unit, described frequency control unit includes variable-frequency governor, brake unit and speed-regulating potentiometer, the power input of variable-frequency governor is connected with three phase mains, the power output end of variable-frequency governor is connected with charging roller table motor, described brake unit is connected with the control input of variable-frequency governor respectively with speed-regulating potentiometer, described variable-frequency governor is also associated with control relay and/or for starting the starting relay of variable-frequency governor for the rotating controlling to start charging roller table motor positive and inverse.
This speed-adjusting and control system is made to have constant speed rotating regulatory function and frequency control rotating regulatory function further, charging roller table speed-adjusting and control system also includes power frequency part, described power frequency part includes the positive contactor of motor and motor reversal catalyst, the positive contactor of motor and motor reversal catalyst are arranged in shape in parallel, and three phase mains is accessed in one end of the positive contactor of motor, the other end of the positive contactor of motor is connected with charging roller table motor, three phase mains is accessed in one end of motor reversal catalyst, the other end of motor reversal catalyst is with charging roller table motor even, it is provided with speed governing on connection line between power output end and the charging roller table motor of described variable-frequency governor and picks out catalyst.
Further, on described brake unit, connection has braking resistor.
Further, the connection line between power output end and the charging roller table motor of described variable-frequency governor is additionally provided with cutter.
After have employed technique scheme, when using industrial frequency control, cut off speed governing and pick out catalyst, control respectively to access the positive contactor of motor, disconnect motor reversal catalyst or access motor reversal catalyst and disconnect the positive contactor of motor, so that charging roller table motor constant-speed forward rotating action；When using variable frequency regulating speed control, cut off the positive contactor of motor and motor reversal catalyst respectively, engage speed governing and pick out catalyst, frequency control unit is accessed, by change speed-regulating potentiometer, thus charging roller table motor is carried out speed regulation, it is achieved it can carry out speed adjustment according to pipe length to charging roller table, thus materials in the tube are transported to precalculated position exactly and carry out the purpose of next step operation.；The effect of cutter QF4 is easy for easy to maintenance, can cut off the access of frequency control unit online, not affect online production.
Accompanying drawing explanation
Fig. 1 is the circuit connection diagram of charging roller table speed-adjusting and control system of the present utility model.
Detailed description of the invention
In order to make content of the present utility model be easier to be clearly understood, below according to specific embodiment and combine accompanying drawing, this utility model is described in further detail.
As it is shown in figure 1, a kind of charging roller table speed-adjusting and control system, it includes:
Charging roller table motor 1, described charging roller table motor 1 is in transmission connection with charging roller table, in order to charging roller table motor 1 drives corresponding charging roller table action；
Frequency control unit, described frequency control unit includes variable-frequency governor 2, brake unit 3 and speed-regulating potentiometer 4, the power input of variable-frequency governor 2 is connected with three phase mains 5, the power output end of variable-frequency governor 2 is connected with charging roller table motor 1, described brake unit 3 is connected with the control input of variable-frequency governor 2 respectively with speed-regulating potentiometer 4, described variable-frequency governor 2 is also associated with control relay 21 and/or for starting the starting relay 22 of variable-frequency governor 2 for the rotating controlling to start charging roller table motor 1 rotating.
As shown in Figure 1, charging roller table speed-adjusting and control system also includes power frequency part, described power frequency part includes the positive contactor of motor 6 and motor reversal catalyst 7, the positive contactor of motor 6 and motor reversal catalyst 7 are arranged in shape in parallel, and three phase mains 5 is accessed in one end of the positive contactor of motor 6, the other end of the positive contactor of motor 6 is connected with charging roller table motor 1, three phase mains 5 is accessed in one end of motor reversal catalyst 7, the other end of motor reversal catalyst 6 is connected with charging roller table motor 1, it is provided with speed governing on connection line between power output end and the charging roller table motor 1 of described variable-frequency governor 2 and picks out catalyst 8.
Braking resistor 31 is had as it is shown in figure 1, connect on described brake unit 3.
As it is shown in figure 1, be additionally provided with cutter 9 on connection line between the power output end of described variable-frequency governor 2 and charging roller table motor 1.
Operation principle of the present utility model is as follows:
When using industrial frequency control, cut off speed governing and pick out catalyst 8, control respectively to access the positive contactor of motor 6, disconnect motor reversal catalyst 7 or access motor reversal catalyst 7 and disconnect the positive contactor of motor 6, so that charging roller table motor 1 constant speed rotating action；When using variable frequency regulating speed control, cut off the positive contactor of motor 6 and motor reversal catalyst 7 respectively, engage speed governing and pick out catalyst 8, frequency control unit is accessed, by change speed-regulating potentiometer 4, thus charging roller table motor 1 is carried out speed regulation, it is achieved it can carry out speed adjustment according to pipe length to charging roller table, thus materials in the tube are transported to precalculated position exactly and carry out the purpose of next step operation.；The effect of cutter QF4 is easy for easy to maintenance, can cut off the access of frequency control unit online, not affect online production.
Particular embodiments described above; solve the technical problem that this utility model, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only specific embodiment of the utility model; it is not limited to this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, within should be included in protection domain of the present utility model.
Claims (4)
1. a charging roller table speed-adjusting and control system, it is characterised in that it includes:
Charging roller table motor (1), described charging roller table motor (1) is in transmission connection with charging roller table, in order to charging roller table motor (1) drives corresponding charging roller table action；
Frequency control unit, described frequency control unit includes variable-frequency governor (2), brake unit (3) and speed-regulating potentiometer (4), the power input of variable-frequency governor (2) is connected with three phase mains (5), the power output end of variable-frequency governor (2) is connected with charging roller table motor (1), described brake unit (3) with speed-regulating potentiometer (4) respectively control input with variable-frequency governor (2) be connected, it is also associated with on described variable-frequency governor (2) controlling relay (21) for the rotating controlling to start charging roller table motor (1) rotating and/or being used for starting the starting relay (22) of variable-frequency governor (2).
Charging roller table speed-adjusting and control system the most according to claim 1, it is characterized in that: also include power frequency part, described power frequency part includes the positive contactor of motor (6) and motor reversal catalyst (7), the positive contactor of motor (6) and motor reversal catalyst (7) are arranged in shape in parallel, and three phase mains (5) is accessed in one end of the positive contactor of motor (6), the other end of the positive contactor of motor (6) is connected with charging roller table motor (1), three phase mains (5) is accessed in one end of motor reversal catalyst (7), the other end of motor reversal catalyst (6) is connected with charging roller table motor (1), it is provided with speed governing on connection line between power output end and the charging roller table motor (1) of described variable-frequency governor (2) and picks out catalyst (8).
Charging roller table speed-adjusting and control system the most according to claim 1 and 2, it is characterised in that: the upper connection of described brake unit (3) has braking resistor (31).
Charging roller table speed-adjusting and control system the most according to claim 1, it is characterised in that: it is additionally provided with cutter (9) on the connection line between power output end and the charging roller table motor (1) of described variable-frequency governor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620101333.8U CN205526185U (en) | 2016-02-01 | 2016-02-01 | Roll table speed control system feeds |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620101333.8U CN205526185U (en) | 2016-02-01 | 2016-02-01 | Roll table speed control system feeds |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205526185U true CN205526185U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620101333.8U Active CN205526185U (en) | 2016-02-01 | 2016-02-01 | Roll table speed control system feeds |
Country Status (1)
| Country | Link |
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| CN (1) | CN205526185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389935A (en) * | 2020-03-12 | 2020-07-10 | 南京钢铁股份有限公司 | Control method for roller table swinging between medium plate mills |
-
2016
- 2016-02-01 CN CN201620101333.8U patent/CN205526185U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111389935A (en) * | 2020-03-12 | 2020-07-10 | 南京钢铁股份有限公司 | Control method for roller table swinging between medium plate mills |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |