CN205062557U - Improve device of synchronous precision of wire rope equipment rotating part - Google Patents
Improve device of synchronous precision of wire rope equipment rotating part Download PDFInfo
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- CN205062557U CN205062557U CN201520764500.2U CN201520764500U CN205062557U CN 205062557 U CN205062557 U CN 205062557U CN 201520764500 U CN201520764500 U CN 201520764500U CN 205062557 U CN205062557 U CN 205062557U
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Abstract
The utility model relates to an improve device of synchronous precision of wire rope equipment rotating part, the code signal input part of its first coding ware establishes on the output shaft of first motor, the code signal input part of second encoder establishes on the output shaft of second motor, receive the control signal output of line converter and connect first motor, the second motor is connected to the outer control signal output of twisting with the fingers the converter of crossing, the feedback signal output of first coding ware passes through the corresponding feedback signal input that programmable logic array is connected to first coding ware expansion card, programmable logic array's receipts line control signal output links the control signal input of receiving line converter, the feedback signal output of second encoder passes through the corresponding feedback signal input that programmable logic array is connected to second encoder expansion card, programmable logic array's mistake is twisted with the fingers the control signal output and is connected the outer control signal input of twisting with the fingers the converter of crossing. The utility model discloses an it is with low costs, and can guarantee synchro control's precision.
Description
Technical field
The utility model relates to Machining Technology field, is specifically related to a kind of device improving wireline equipment rotating part synchronization accuracy.
Background technology
Steel wire rope double twisting device have high-quality, at a high speed, the advantage such as low noise, but in device start or shutdown phase, core wire easily produces bending and emerges to the surface of stock, formed some little " pimples ", be commonly called as " foaming " phenomenon, analyze from twisting principle and feature, mainly by take-up mechanism and outer Killing unit rotary inertia difference large, speed ratios both in startup or docking process are difficult to guarantee and unanimously cause, and will realize at present synchronously mainly containing following several method:
1, machine driving, take-up part connects outer Killing unit by major axis, although the method can ensure synchronism, adds machine cost and Overall Power Consumption.
2, SERVO CONTROL, control accuracy is high, but equipment cost and maintenance cost are also high.
Utility model content
The purpose of this utility model is to provide a kind of device improving wireline equipment rotating part synchronization accuracy, and the cost of this device is low, and can ensure the precision of Synchronization Control.
For solving the problems of the technologies described above, a kind of device improving wireline equipment rotating part synchronization accuracy disclosed in the utility model, it comprises the first motor for driving steel wire rope double twisting device spooler, for driving the second motor of the outer Killing unit of steel wire rope double twisting device, it also comprises the first encoder, second encoder, take-up frequency converter, outer sth. made by twisting frequency converter excessively, first encoder expansion card, second encoder expansion card and programmable logic array, wherein, the code signal input of described first encoder is arranged on the output shaft of the first motor, the code signal input of the second encoder is arranged on the output shaft of the second motor, the control signal output of described take-up frequency converter connects the control signal input of the first motor, the outer control signal input crossed the control signal output twisting with the fingers frequency converter and connect the second motor, the feedback signal output of described first encoder connects the corresponding feedback signal input terminal of programmable logic array by the first encoder expansion card, the take-up control signal output of programmable logic array connects the control signal input of take-up frequency converter, the feedback signal output of the second encoder connects the corresponding feedback signal input terminal of programmable logic array by the second encoder expansion card, the control signal input twisting with the fingers frequency converter is crossed in crossing outside the connection of sth. made by twisting control signal output of programmable logic array.
It also comprises impulsive synchronization card, and the signal input part of described impulsive synchronization card connects the synchronous signal output end of the first encoder expansion card, and the signal output part of impulsive synchronization card connects the outer synchronous signal input end crossing sth. made by twisting frequency converter.
The beneficial effects of the utility model:
The above-mentioned closed loop synchronous control structure of the utility model design is relative to traditional mechanical transmission structure and SERVO CONTROL structure, there is lower production and maintenance cost, in addition, the utility model achieves two motor synchronous drive by said structure, solve the difficult point of take-up mechanism and outer Killing unit large inertia load synchronized tracking, meanwhile, the impulsive synchronization card that the utility model is arranged ensure that the control accuracy of take-up mechanism and outer Killing unit speed sync.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Wherein, the 1-the first motor, the 2-the second motor, the 3-the first encoder, the 4-the second encoder, 5-take-up frequency converter, 6-outer sth. made by twisting frequency converter excessively, the 7-the first encoder expansion card, the 8-the second encoder expansion card, 9-impulsive synchronization card, 10-steel wire rope double twisting device spooler, 11-steel wire rope double twisting device outer Killing unit, 12-shaft coupling, 13-programmable logic array.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
The device of raising wireline equipment rotating part synchronization accuracy of the present utility model, as shown in Figure 1, it comprises the first motor 1 for driving steel wire rope double twisting device spooler 10, for driving the second motor 2 of the outer Killing unit 11 of steel wire rope double twisting device, it also comprises the first encoder 3, second encoder 4, take-up frequency converter 5, outer sth. made by twisting frequency converter 6 excessively, first encoder expansion card 7, second encoder expansion card 8 and programmable logic array 13, wherein, the code signal input of described first encoder 3 is arranged on the output shaft of the first motor 1, the code signal input of the second encoder 4 is arranged on the output shaft of the second motor 2, the control signal output of described take-up frequency converter 5 connects the control signal input of the first motor 1, the outer control signal input crossed the control signal output twisting with the fingers frequency converter 6 and connect the second motor 2, the feedback signal output of described first encoder 3 connects the corresponding feedback signal input terminal of programmable logic array 13 by the first encoder expansion card 7, the take-up control signal output of programmable logic array 13 connects the control signal input of take-up frequency converter 5, the feedback signal output of the second encoder 4 connects the corresponding feedback signal input terminal of programmable logic array 13 by the second encoder expansion card 8, the control signal input twisting with the fingers frequency converter 6 is crossed in crossing outside the connection of sth. made by twisting control signal output of programmable logic array 13.
In technique scheme, shown first encoder 3 and the second encoder 4 are for providing the feedback speed signal of corresponding motor.
In technique scheme, the pulse signal that the first encoder expansion card 7 receives the first encoder 3 feedback does velocity close-loop control by programmable logic array 13 and take-up frequency converter 5 to the first motor 1; The pulse signal that second encoder expansion card 8 receives the second encoder 4 feedback does velocity close-loop control by programmable logic array 13 and outer sth. made by twisting frequency converter 6 of crossing to the second motor 2.
In technique scheme, it also comprises impulsive synchronization card 9, the signal input part of described impulsive synchronization card 9 connects the synchronous signal output end of the first encoder expansion card 7, and the signal output part connection of impulsive synchronization card 9 is outer crosses the synchronous signal input end (fractional frequency signal that the outer impulsive synchronization card 9 crossed on sth. made by twisting frequency converter 6 can receive the first encoder expansion card 7 does impulsive synchronization and controls) twisting with the fingers frequency converter 6.
In technique scheme, described first encoder 3 and the second encoder 4 are incremental encoder.The way of output of described first encoder 3 and the second encoder 4 is Linear Driving and exports.
In technique scheme, the code signal input of described first encoder 3 is arranged on the output shaft of the first motor 1 by shaft coupling 12.The code signal input of described second encoder 4 is arranged on the output shaft of the second motor 2 by shaft coupling 12.
In technique scheme, take-up frequency converter 5 and outer sth. made by twisting frequency converter 6 of crossing adopt remittance river MD500 and M380M series respectively, and the model of impulsive synchronization card 9 and encoder expansion card is respectively MD38DW2 and MD38PG1.Impulsive synchronization card 9 is arranged on the outer expansion interface crossing sth. made by twisting frequency converter 6.First encoder 3 and the second encoder 4 all adopt silver dollar TRD-MX360-V type encoder, and supply voltage is DC4.75 ~ 5.25V, and resolution ratio is 360HZ.
Operation principle of the present utility model is: this device adopts position synchronization control mode, after take-up actual speed signal (i.e. the rotating speed of the first motor 1) is detected by the first encoder 3, except for except self speed closed loop vector controlled, also occur frequently 1:1 Signal transmissions to the outer impulsive synchronization card 9 crossing sth. made by twisting frequency converter 6 by the first encoder expansion card 7 points, cross as outer the lock-out pulse Setting signal twisting with the fingers frequency converter 6.When outer sth. made by twisting and take-up gear ratio change excessively, programmable logic array 13 is realized by MODBUS communications protocol amendment electronic gear proportion molecule A3-07.Suppose that the load Flywheel disc rotating speed that the first motor 1 drives is V1; Second motor 2 rotating speed is V2; First motor 1 is A to the gearratio of Flywheel disc; Second motor 2 and the first motor 1 speed ratio are B; Second motor 2 is C to the gearratio of Killing unit, and computing formula is as follows:
As can be seen from above-mentioned formula, A, C determine in a device, and when denominator is definite value, electronic gear proportion molecule is only relevant with take-up motor speed ratio B with outer mistake sth. made by twisting motor.
The content that this description is not described in detail belongs to the known prior art of professional and technical personnel in the field.
Claims (6)
1. one kind is improved the device of wireline equipment rotating part synchronization accuracy, it comprises the first motor (1) for driving steel wire rope double twisting device spooler (10), for driving second motor (2) of the outer Killing unit (11) of steel wire rope double twisting device, it is characterized in that: it also comprises the first encoder (3), second encoder (4), take-up frequency converter (5), outer sth. made by twisting frequency converter (6) excessively, first encoder expansion card (7), second encoder expansion card (8) and programmable logic array (13), wherein, the code signal input of described first encoder (3) is arranged on the output shaft of the first motor (1), the code signal input of the second encoder (4) is arranged on the output shaft of the second motor (2), the control signal output of described take-up frequency converter (5) connects the control signal input of the first motor (1), the outer control signal output crossing sth. made by twisting frequency converter (6) connects the control signal input of the second motor (2), the feedback signal output of described first encoder (3) connects the corresponding feedback signal input terminal of programmable logic array (13) by the first encoder expansion card (7), the take-up control signal output of programmable logic array (13) connects the control signal input of take-up frequency converter (5), the feedback signal output of the second encoder (4) connects the corresponding feedback signal input terminal of programmable logic array (13) by the second encoder expansion card (8), the sth. made by twisting control signal output of crossing of programmable logic array (13) connects the outer control signal input crossing sth. made by twisting frequency converter (6).
2. the device of raising wireline equipment rotating part synchronization accuracy according to claim 1, it is characterized in that: it also comprises impulsive synchronization card (9), the signal input part of described impulsive synchronization card (9) connects the synchronous signal output end of the first encoder expansion card (7), and the signal output part of impulsive synchronization card (9) connects the outer synchronous signal input end crossing sth. made by twisting frequency converter (6).
3. the device of raising wireline equipment rotating part synchronization accuracy according to claim 1, is characterized in that: described first encoder (3) and the second encoder (4) are incremental encoder.
4. the device of raising wireline equipment rotating part synchronization accuracy according to claim 3, is characterized in that: the way of output of described first encoder (3) and the second encoder (4) is line driver output.
5. the device of raising wireline equipment rotating part synchronization accuracy according to claim 1, is characterized in that: the code signal input of described first encoder (3) is arranged on the output shaft of the first motor (1) by shaft coupling (12).
6. the device of raising wireline equipment rotating part synchronization accuracy according to claim 1, is characterized in that: the code signal input of described second encoder (4) is arranged on the output shaft of the second motor (2) by shaft coupling (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764500.2U CN205062557U (en) | 2015-09-29 | 2015-09-29 | Improve device of synchronous precision of wire rope equipment rotating part |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520764500.2U CN205062557U (en) | 2015-09-29 | 2015-09-29 | Improve device of synchronous precision of wire rope equipment rotating part |
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| Publication Number | Publication Date |
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| CN205062557U true CN205062557U (en) | 2016-03-02 |
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| CN201520764500.2U Active CN205062557U (en) | 2015-09-29 | 2015-09-29 | Improve device of synchronous precision of wire rope equipment rotating part |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457474A (en) * | 2022-01-06 | 2022-05-10 | 湖北三江航天江北机械工程有限公司 | Double-twister speed remote matching method and system thereof |
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2015
- 2015-09-29 CN CN201520764500.2U patent/CN205062557U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457474A (en) * | 2022-01-06 | 2022-05-10 | 湖北三江航天江北机械工程有限公司 | Double-twister speed remote matching method and system thereof |
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