CN202931238U - Mobile rolling machine control system - Google Patents

Mobile rolling machine control system Download PDF

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Publication number
CN202931238U
CN202931238U CN 201220616718 CN201220616718U CN202931238U CN 202931238 U CN202931238 U CN 202931238U CN 201220616718 CN201220616718 CN 201220616718 CN 201220616718 U CN201220616718 U CN 201220616718U CN 202931238 U CN202931238 U CN 202931238U
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CN
China
Prior art keywords
contactor
motor
frequency converter
driving signal
hyphen
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
Application number
CN 201220616718
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Chinese (zh)
Inventor
魏超
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Huachangda Intelligent Equipment Co Ltd
Original Assignee
Hubei Huachangda Intelligent Equipment Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Hubei Huachangda Intelligent Equipment Co Ltd filed Critical Hubei Huachangda Intelligent Equipment Co Ltd
Priority to CN 201220616718 priority Critical patent/CN202931238U/en
Application granted granted Critical
Publication of CN202931238U publication Critical patent/CN202931238U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to the field of conveying equipment and particularly discloses a mobile rolling machine control system, which comprises a frequency converter. The drive signal input end of a transitional /rotating motor of the mobile rolling machine and the drive signal input end of a hobbing motor are connected with the drive signal output end of the frequency converter in a time-sharing manner, so that the transitional /rotating motor or the hobbing motor is driven by drive signals output from the frequency converter to run in the time-sharing manner. According to the technical scheme of the utility model, the transitional /rotating motor and the hobbing motor are controlled by a single frequency converter. Therefore, the safe operation of the rolling machine is ensured, while the production cost is effectively saved.

Description

A mobile control system of rolling
Technical field
The utility model relates to the conveying equipment field, is that a control system is rolled in a kind of movement specifically, can improve the device security performance, effectively saves production cost.
Background technology
The skid conveying system is a kind of complex combination formula conveying system that is combined into by the multiple standards unit module, wherein relies on that the frictional force of carrying roller or chain realizes advancing, retreats, translation, lifting, accumulates and the function such as rotation in order to the prying body of carrying object.Moving and rolling bed is the important component part of skid conveying system, mainly rolled the parts such as bed, the driving wheel of dividing a word with a hyphen at the end of a line, the driven pulley of dividing a word with a hyphen at the end of a line, rotation driving wheel, rotation driven pulley consists of by travel rail, swing-around trajectory, cable-pulling chain, power, its allowable load returns in parallel conveying circuit in the same way, and also allowable load rotates along circular orbit.More than mobile efficient of rolling bed can reach the twice of independent use rotating platform or movable roller bed, can be fine concentrated use the in many strip transmission lines road, and accommodation only is subjected to the restriction of load size, thereby more and more be subject to the attention of equipment Manufacturing.
Mobile roll divide a word with a hyphen at the end of a line driving wheel and rotation driving wheel in bed usually by motor-driven.At present, the mobile electric rotating machine in bed and the general independent employing variable frequency control of motor of dividing a word with a hyphen at the end of a line of rolling, the whole two kinds of control modes of the main employing of bed of rolling, a kind of is the control mode that adds separately the operation of Frequency Converter Control motor, and another kind is that not frequency conversion directly relies on contactor to control the control mode of motor power break-make.These two kinds of control modes are all unsatisfactory: the former major defect exists, and cost is higher, and electric cabinet space hold is more; The latter's major defect is, if the sense switch that puts in place that rolls on bed lost efficacy, skid just might be gone out at a high speed, and danger is relatively high, and the device security performance is not ideal enough.
Because the mobile deficiency of the existing control mode of bed aspect security performance and production cost of rolling is necessary that a control system is rolled in this movement gives optimal design.
The utility model content
For the defective that prior art exists, the purpose of this utility model is to provide a kind of movement to roll a control system, helps to improve mobile security performance of rolling bed, reduces the mobile production cost that rolls bed.
For solving above technical problem, the utility model provides a kind of movement to roll a control system, comprise a frequency converter, wherein mobilely roll the dividing a word with a hyphen at the end of a line of bed/electric rotating machine driving signal input and a mobile motor drive signal input timesharing of rolling of rolling bed is connected to the driving signal output part of described frequency converter, in order to make described dividing a word with a hyphen at the end of a line/electric rotating machine or the described motor time-division operation under the drive of described frequency converter output that rolls.Optionally, comprise the relay system actuation mechanism, described relay system actuation mechanism is controlled described dividing a word with a hyphen at the end of a line/electric rotating machine and a described described frequency converter of motor timesharing access that rolls according to logic of propositions.
Optionally, described relay system actuation mechanism comprises the first contactor and the second contactor; The driving signal input of described the dividing a word with a hyphen at the end of a line of one side joint of described the first contactor/electric rotating machine, the driving signal output part of the described frequency converter of another side joint; The described driving signal input of rolling a motor of one side joint of described the second contactor, the driving signal output part of the described frequency converter of another side joint; The operate condition of the operate condition of described the first contactor and described the second contactor is opposite, in order to make described dividing a word with a hyphen at the end of a line/electric rotating machine and a described described frequency converter of motor timesharing access that rolls.
Optionally, the coil of described the first contactor is connected with alternating expression ground, contact with the coil of described the second contactor with the contact, in order to realize the interlocking control between described the first contactor and described the second contactor.
Optionally, the coil of described the first contactor is connected between the normally-closed contact and power supply negative terminal of described the second contactor, the coil of described the second contactor is connected between the normally-closed contact and power supply negative terminal of described the first contactor, the normally-closed contact of described the first contactor is connected to power positive end by the 6th signaling switch, the normally-closed contact of described the second contactor is connected to power positive end by the 5th signaling switch power supply, thereby realizes the interlocking control between described the first contactor and described the second contactor.
Optionally, be provided with the first overload protective device between the driving signal input of described the first contactor and described dividing a word with a hyphen at the end of a line/electric rotating machine, be provided with the second overload protective device between described the second contactor and described driving signal input of rolling a motor.
Optionally, comprise the first motor internal contracting brake and the second motor internal contracting brake, two winding wirings of described the first motor internal contracting brake are connected to respectively two power inputs of described frequency converter by the auxiliary contact of described the first contactor, two winding wirings of described the second motor internal contracting brake are connected to two same power inputs of described frequency converter by the auxiliary contact of described the second contactor respectively.
Optionally, comprise circuit breaker, the power input of described frequency converter is connected to the same side of described circuit breaker, and the opposite side of described circuit breaker is connected to power supply.
Optionally, the forward control end of described frequency converter is connected to the first signal switch, the counter-rotating control end is connected to the secondary signal switch, the High-speed Control termination has the 3rd signaling switch, the low speed control end is connected to the 4th signaling switch, so that corresponding control is described divides a word with a hyphen at the end of a line/electric rotating machine or described operating state of rolling a motor.
Optionally, described dividing a word with a hyphen at the end of a line/electric rotating machine and a described motor that rolls are threephase asynchronous machine.
Compared with prior art, the utility model moves and rolls in a control system, divide a word with a hyphen at the end of a line motor or electric rotating machine and roll a motor and share a frequency converter and control, it can guarantee a mobile safe operation of rolling, also can effectively save production cost: on the one hand, divide a word with a hyphen at the end of a line motor, electric rotating machine and roll a motor and all adopt variable frequency control, precise control, in time helps to reach the purpose that increases fail safe; On the other hand, as long as frequency converter just can be realized the variable frequency control to each motor, saved the cost of frequency converter, the while can also be saved the protective circuit breaker that rolls a motor, and this also is conducive to reduce production costs.
Description of drawings
Fig. 1 is that the utility model moves the power loop control principle drawing that rolls a control system one embodiment;
Fig. 2 is Electric Machine Control schematic diagram in system shown in Figure 1.
Embodiment
Basic conception of the present utility model comes from the following fact that the inventor finds: mobile roll the electric rotating machine of bed or divide a word with a hyphen at the end of a line motor with roll a motor not can with the time move; And, electric rotating machine or the motor of dividing a word with a hyphen at the end of a line all need be furnished with frequency converter, but electric rotating machine or the motor of dividing a word with a hyphen at the end of a line be more or less the same with the rated power that rolls a motor, such as electric rotating machine or the motor rated power of dividing a word with a hyphen at the end of a line are 2.2KW, be 1.5KW and roll a motor, control so they can share a frequency converter.
Below in conjunction with drawings and Examples, the utility model is further illustrated.A lot of details have been set forth in the following description so that fully understand the utility model.But the utility model can be implemented much to be different from alternate manner described here, those skilled in the art can be in the situation that do similar popularization without prejudice to the utility model intension, so the utility model is not subjected to the restriction of following public specific embodiment.
Simultaneously referring to Fig. 1, Fig. 2, wherein: Fig. 1 is that the utility model moves the power loop control principle drawing that rolls a control system one embodiment; Fig. 2 is Electric Machine Control schematic diagram in system shown in Figure 1.this moves and rolls a control system and moved/electric rotating machine by motor M 1(, "/" representative here " with ", also can represent "or"), M2(rolls a motor), frequency converter VF1, circuit breaker Q F1, motor internal contracting brake YB1(the first motor internal contracting brake), YB2(the second motor internal contracting brake), contactor KM1(the first contactor), KM2(the second contactor), overload protective device FR1(the first overload protective device), FR2(the second overload protective device), signaling switch K1(first signal switch), K2(secondary signal switch), K3(the 3rd signaling switch), K4(the 4th signaling switch), K5(the 5th signaling switch), K6(the 6th signaling switch) etc. element forms, below further be described.
For simplicity, the terminals with circuit breaker Q F1 below represent with (1,2,3,4,5,6); The terminals of overload protective device FR1, FR2 represent with (1,2,3,4,5,6); The winding wiring of motor internal contracting brake YB1, YB2 represents with (X1, X2); The winding wiring of contactor KM1, KM2 is with (A1, A2) expression, and normally opened contact is with (1,2,3,4,5,6) expression, and normally-closed contact is with (11,12) expression, and auxiliary contact represent with (53,54,63,64); The normally opened contact of signaling switch K1, K2, K3, K4, K5, K6 represents with (13,14).
As shown in Figure 1, the present embodiment is parallel contactor KM1 and KM2 under frequency converter VF1, and installs overload protective device FR1 and FR2 additional, then is connected to respectively motor M 1 and motor M 2; The control of contactor KM1 and KM2 adopts interlocking to control as shown in Figure 2; Contactor KM1 and KM2 add auxiliary contact, control respectively the band-type brake electromagnetically operated valve of motor M 1 and M2.This control mode realizes the control respectively of two motor M 1, M2 by the switching of contactor KM1, KM2, namely realize the purpose of motor M 1, M2 sharing frequency converter VF1, below further is described.
As shown in Figure 1, motor M 1, M2 are threephase asynchronous machine, and wherein: the driving signal input U1 of motor M 1, V1, W1 are connected to frequency converter VF1 by contactor KM1, overload protective device FR1 correspondence and drive signal output part U, V, W; Driving signal input U1, the V1, the W1 that roll a motor M 2 are connected to frequency converter VF1 by contactor KM2, contactor FR2 correspondence and drive signal output part U, V, W; So just motor M 1, M2 timesharing can be connected to the driving signal output part of frequency converter, make each motor share same frequency converter VF1.In control procedure, frequency converter VF1 output pulse width conditioning signal can change motor M 1 or motor 2 driving signal frequencies thus, and final the realization regulated the speed of these motors.
Referring to Fig. 1, frequency converter VF1 forward control end STF, counter-rotating control end STR, High-speed Control end RH and low speed control end RL connect respectively the terminals (14) of dynamic circuit connector (often opening) signaling switch K1, K2, K3, K4, and another terminals (13) of these signaling switches are connected to the common port SD of frequency converter VF1 jointly.Like this, just can corresponding control motor M 1 or the operating state of M2: when signaling switch K1 moves, corresponding motor forward; When signaling switch K2 action is closed, corresponding motor reversal; When signaling switch K3 action is closed, corresponding motor high speed rotating; When signaling switch K4 moved, corresponding motor slowly ran.
As shown in Figure 1, frequency converter VF1 also is provided with other serial terminals, and its mode of connection is: power input R, S, T are connected to power supply by circuit breaker Q F1 respectively; Other terminals of frequency converter VF1, can be unsettled or look feelings and connect external devices as deceleration loading end P/+, PR, terminals RUN in service, frequency detecting end FU, terminals PE, terminals SE etc., realize thus other control requirement of system, because these type of terminals and the utility model are irrelevant, do not repeat them here).
As shown in Figure 1, be provided with circuit breaker Q F1 in system, the power input of frequency converter VF1 is connected to the same side of circuit breaker Q F1, and the opposite side of circuit breaker Q F1 is connected to power supply.Concrete connection is that circuit breaker Q F1 comprises three winding line ends: the terminals of first group (1,2) connect respectively the power input R of power supply A phase and frequency converter VF1; The terminals of second group (3,4) connect respectively the power input S of power supply B phase and frequency converter VF1; The terminals (5,6) of the 3rd group connect respectively the power input T of power supply C phase and frequency converter VF1; Power supply N is zero line.When circuit breaker Q F1 connected three phase mains A, B, C, frequency converter VF1 got electric make motor M 1 or M2 running.
The present embodiment arranges the relay system actuation mechanism, and it can be controlled to make according to logic of propositions and divide a word with a hyphen at the end of a line/electric rotating machine M1 and roll a motor M 2 timesharing access frequency converter VF1, below further is described.
As shown in Figure 1, this relay system actuation mechanism comprises contactor KM1, KM2, wherein: the driving signal input of the side joint motor M 1 of contactor KM1, the driving signal output part of another side joint frequency converter VF1; The driving signal input of the side joint motor M 2 of contactor KM2, the driving signal output part of another side joint frequency converter VF1; The operate condition of these two contactor KM1, KM2 is opposite, thus can be with motor M 1, M2 timesharing access frequency converter VF1.
For improving system reliability, contactor KM1, KM2 adopt interlocking to control, and namely the coil of contactor KM1 is connected with alternating expression ground, contact with the coil of contactor KM2 with the contact.Specifically wiring as shown in Figure 2: the coil of contactor KM1 is connected between the normally-closed contact and power supply negative terminal (0V) of contactor KM2, the normally-closed contact of contactor KM2 is connected to DC power supply anode (DC24V) by signaling switch K5, and control logic is equivalent to the coil of contactor KM1, the normally-closed contact of contactor KM2 is connected with signaling switch K5; The coil of the second contactor KM2 is connected between the normally-closed contact and power supply negative terminal of contactor KM1, the normally-closed contact of contactor KM1 is connected to power positive end by signaling switch K6, and control logic is equivalent to the coil of contactor KM2, the normally-closed contact of contactor KM1 is connected with signaling switch K6; Thus, the alternating expression mode of connection by this contactor finally realizes two interlockings controls between contactor KM1, KM2.
In addition, the present embodiment is provided with the safety protective circuit of motor M 1, M2, and this safety protective circuit is specifically born by overload protective device FR1, FR2, and wherein: overload protective device FR1 is connected between contactor KM1 and motor M 1; Overload protective device FR2 is connected between contactor KM2 and motor M 2.Concrete connection is: one group of contact (1,2) correspondence of overload protective device FR1, FR2 is connected to one group of contact (1,2) of contactor KM1, KM2; One group of contact (3,4) correspondence of overload protective device FR1, FR2 is connected to one group of contact (3,4) of contactor KM1, KM2; One group of contact (5,6) correspondence of overload protective device FR1, FR2 is connected to one group of contact (5,6) of contactor KM1, KM2.If electric current is excessive, motor M 1, M2 are protected in overload protective device FR1 or FR2 fusing thus.
As shown in Figure 1, motor M 1, M2 adopt the electromagnetic brake mode to brake, motor internal contracting brake YB1, YB2 specifically are set, both are connected to power input R, the S of frequency converter VF1 parallelly, be specially: the winding wiring of motor internal contracting brake YB1 (X2) is by the auxiliary contact (53 of contactor KM1,54) be connected to the power input R of frequency converter VF1, (X1 is connected to the power input S of frequency converter VF1 to winding wiring by the auxiliary contact (63,64) of contactor KM1; The winding wiring of motor internal contracting brake YB2 (X2) is by the auxiliary contact (53 of contactor KM2,54) be connected to the power input R of frequency converter VF1, winding wiring (X1) is connected to the power input S of frequency converter VF1 by the auxiliary contact (63,64) of contactor KM2.Contactor KM1, KM2 /during dead electricity, their auxiliary contact (53,54,63,64) corresponding actions makes the corresponding power transmission shaft of holding motor M 1 or M2 tightly of motor internal contracting brake YB1 or YB2, finally realizes the quick shutdown of motor.
The movement of the present embodiment is rolled in a control system, divide a word with a hyphen at the end of a line motor or electric rotating machine M1 with roll a motor M 2 and share a frequency converter VF1 and control: on the one hand, each motor all adopts variable frequency control, and precise control, timely helps to reach the purpose that increases fail safe; On the other hand, as long as frequency converter just can be realized the variable frequency control to each motor, saved the cost of frequency converter, the while has also been saved the cost that rolls a motor protective circuit breaker.
Although the utility model with preferred embodiment openly as above; but it is not to limit the utility model; any those skilled in the art are not within breaking away from spirit and scope of the present utility model; can make possible change and modification, therefore protection range of the present utility model should be as the criterion with the scope that the utility model claim is defined.

Claims (10)

1. a control system is rolled in a movement, this moves and rolls bed and be provided with and divide a word with a hyphen at the end of a line/electric rotating machine and roll a motor, it is characterized in that, comprise a frequency converter, the driving signal input of described dividing a word with a hyphen at the end of a line/electric rotating machine and described driving signal input timesharing of rolling a motor are connected to the driving signal output part of described frequency converter, in order to make described dividing a word with a hyphen at the end of a line/electric rotating machine or the described motor time-division operation under the drive of described frequency converter output that rolls.
2. a control system is rolled in movement as claimed in claim 1, it is characterized in that, the driving signal input of described dividing a word with a hyphen at the end of a line/electric rotating machine and described driving signal input timesharing of rolling a motor are connected to the control of the driving signal output part of described frequency converter, are controlled according to logic of propositions by the relay system actuation mechanism.
3. a control system is rolled in movement as claimed in claim 2, it is characterized in that, described relay system actuation mechanism comprises the first contactor and the second contactor; The driving signal input of described the dividing a word with a hyphen at the end of a line of one side joint of described the first contactor/electric rotating machine, the driving signal output part of the described frequency converter of another side joint; The described driving signal input of rolling a motor of one side joint of described the second contactor, the driving signal output part of the described frequency converter of another side joint; The operate condition of the operate condition of described the first contactor and described the second contactor is opposite, in order to make described dividing a word with a hyphen at the end of a line/electric rotating machine and a described described frequency converter of motor timesharing access that rolls.
4. a control system is rolled in movement as claimed in claim 3, it is characterized in that, the coil of described the first contactor is connected with alternating expression ground, contact with the coil of described the second contactor with the contact, in order to realize the interlocking control between described the first contactor and described the second contactor.
5. a control system is rolled in movement as claimed in claim 4, it is characterized in that, the coil of described the first contactor is connected between the normally-closed contact and power supply negative terminal of described the second contactor, the coil of described the second contactor is connected between the normally-closed contact and power supply negative terminal of described the first contactor, the normally-closed contact of described the first contactor is connected to power positive end by the 6th signaling switch, the normally-closed contact of described the second contactor is connected to power positive end by the 5th signaling switch power supply, thereby realizes the interlocking control between described the first contactor and described the second contactor.
6. a control system is rolled in movement as claimed in claim 3; it is characterized in that; be provided with the first overload protective device between the driving signal input of described the first contactor and described dividing a word with a hyphen at the end of a line/electric rotating machine, be provided with the second overload protective device between described the second contactor and described driving signal input of rolling a motor.
7. a control system is rolled in movement as claimed in claim 3, it is characterized in that, comprise the first motor internal contracting brake and the second motor internal contracting brake, two winding wirings of described the first motor internal contracting brake are connected to respectively two power inputs of described frequency converter by the auxiliary contact of described the first contactor, two winding wirings of described the second motor internal contracting brake are connected to two same power inputs of described frequency converter by the auxiliary contact of described the second contactor respectively.
8. a control system is rolled in movement as claimed in claim 1, it is characterized in that, comprises circuit breaker, and the power input of described frequency converter is connected to the output of circuit breaker, and the input of described circuit breaker is connected to power supply.
9. a control system is rolled in movement as claimed in claim 1, it is characterized in that, the forward control end of described frequency converter is connected to the first signal switch, the counter-rotating control end is connected to the secondary signal switch, the High-speed Control termination has the 3rd signaling switch, the low speed control end is connected to the 4th signaling switch, so that corresponding control is described divides a word with a hyphen at the end of a line/electric rotating machine or described operating state of rolling a motor.
10. a control system is rolled in movement as described in claim 1 ~ 9 any one, it is characterized in that, described dividing a word with a hyphen at the end of a line/electric rotating machine and a described motor that rolls are threephase asynchronous machine.
CN 201220616718 2012-11-20 2012-11-20 Mobile rolling machine control system Expired - Fee Related CN202931238U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220616718 CN202931238U (en) 2012-11-20 2012-11-20 Mobile rolling machine control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220616718 CN202931238U (en) 2012-11-20 2012-11-20 Mobile rolling machine control system

Publications (1)

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CN202931238U true CN202931238U (en) 2013-05-08

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CN 201220616718 Expired - Fee Related CN202931238U (en) 2012-11-20 2012-11-20 Mobile rolling machine control system

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111196474A (en) * 2018-11-16 2020-05-26 北汽福田汽车股份有限公司 Rotary traveling conveying system and skid conveying method
CN112242800A (en) * 2020-11-20 2021-01-19 中船华南船舶机械有限公司 Multi-motor electric control system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111196474A (en) * 2018-11-16 2020-05-26 北汽福田汽车股份有限公司 Rotary traveling conveying system and skid conveying method
CN112242800A (en) * 2020-11-20 2021-01-19 中船华南船舶机械有限公司 Multi-motor electric control system
CN112242800B (en) * 2020-11-20 2022-05-17 中船华南船舶机械有限公司 Multi-motor electric control system

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Granted publication date: 20130508

Termination date: 20201120