CN201465797U - Large-scale power transformer servo control coil assembly rack - Google Patents

Abstract

A large-scale power transformer servo control coil assembly rack is used to solve the assembly problem of the transformer coil. The technical scheme is as follows: the coil assembly rack comprises a horizontal sole plate and four uprights, the four uprights have the same structure, each comprises a cylinder body, a guided trolley, a screw pair and a servo motor with a reducer, the guided trolley, the screw pair and the servo motor are arranged on the cylinder body, the guided trolley is connected with the cylinder body through a vertical slideway, the servo motor is fixed on the cylinder body and drives the guided trolley through the reducer and the screw pair, the horizontal sole plate is fixedly connected with the guided trolley arranged on the four uprights, and the servo motor on the four uprights is driven by a sole plate lifting control circuit. Any mechanical transmission device is not needed to be arranged between the uprights of the utility model so that the precious area of operation can be saved, and the operation staff can perform assembling operation conveniently on the horizontal sole plate under the condition of no existence of any barrier, thus greatly increasing the working efficiency of the coil assembly.

Description

A kind of large-scale power transformer SERVO CONTROL coil groups is shelved

Technical field

The utility model relates to a kind of coil groups to be shelved, and mainly is the workbench as the assembling of large-scale power transformer coil, belongs to the transformer technology field.

Background technology

After the coil winding of large-scale power transformer is finished, need on a liftable assembling frame or workbench, assemble.The assembling frame generally is made up of a horizontal platen and four columns being used to support and regulate the horizontal stand plate height.Four columns that traditional four-column type coil groups is shelved adopt same motor-driven, are provided with mechanical driving device between four columns, to guarantee four column synchronization liftings, horizontal platen are remained steadily.It is simple that the coil groups of this employing mechanical synchronization mode is shelved control, but the mechanical driving device between column can take the Partial Jobs area, and the operator is easy to be subjected to it to stumble when carrying out assembling work under horizontal platen, and assembling is made troubles to coil.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, provide between a kind of column the large-scale power transformer SERVO CONTROL coil groups without any barrier to shelve.

Problem described in the utility model realizes with following technical proposals:

A kind of large-scale power transformer SERVO CONTROL coil groups is shelved, comprise horizontal platen and four columns in the formation, described four pillar constructions are identical, form by cylinder and the servomotor that is loaded on guiding trolley, the lead screw pair on the cylinder and has a reductor, described guiding trolley is connected with cylinder by upright guide rail, and constitutes the contact of rolling by roller between guiding trolley and the upright guide rail; Described servomotor is fixed on the cylinder, and drives guiding trolley by reductor and lead screw pair, and described horizontal platen is fixedlyed connected with the guiding trolley on four columns, and the servomotor on four columns drives by the bedplate up-down control circuit.

Above-mentioned large-scale power transformer SERVO CONTROL coil groups is shelved, described bedplate up-down control circuit is by the switching signal input circuit, touch-screen, programmable controller PLC forms with four identical driver elements of structure, described switching signal input circuit comprises 12 limit switches that are installed on four columns, three limit switches are installed on each column, it is respectively the platen lower position switch, platen origin position switch and platen upper limit position switch, the output signal of 12 limit switches meets the XB of PLC respectively, XC, XD, X11～X13, X17～X19, X1D, the X1E end; Described touch-screen connects the PORT1 interface of PLC; Servomotor on corresponding respectively four columns of described four driver elements, each driver element is made of a servo-driver, the L1 of described servo-driver～L3 termination three phase mains, U, V, W end and pulse coder interface connect servomotor, and 8,12,13,19,21,22,23,39,41 pin of its input/output interface meet PLC.

The utility model all is provided with independent servo motor on each column, the height of assembling frame is controlled jointly by four servomotors, and the bedplate up-down control circuit is used to control each servomotor run-in synchronism, and the horizontal platen of assembling frame is remained steadily.Need not to be provided with mechanical driving device between each column of the present utility model, thereby can save valuable working area, operating personnel can not had under the situation of barrier, under horizontal platen, carry out assembling work very easily, improved the operating efficiency of coil assembling greatly.

Description of drawings

The utility model is described in further detail below in conjunction with accompanying drawing.

Fig. 1 is a floor plan of the present utility model;

Fig. 2 is the structural representation of column;

Fig. 3 is the electric theory diagram of apparatus for controlling of lifting;

Fig. 4 is the electrical schematic diagram of apparatus for controlling of lifting.

Each label is among the figure: 1, horizontal platen; 2, reductor; 3, lead screw pair; 4, cylinder; 5, upright guide rail; 6, column; 7, guiding trolley; 8, platen lower position switch; 9, platen origin position switch; 10, platen upper limit position switch; 11, roller; PLC, programmable controller; K1, the first column platen lower position switch; K2, the first column platen origin position switch; K3, the first column platen upper limit position switch; K4, the second column platen lower position switch; K5, the second column platen origin position switch; K6, the second column platen upper limit position switch; K7, the 3rd column platen lower position switch; K8, the 3rd column platen origin position switch; K9, the 3rd column platen upper limit position switch; K10, the 4th column platen lower position switch; K11, the 4th column platen origin position switch; K12, the 4th column platen upper limit position switch; CMP, touch-screen; A-1～A-4, driver element; SQ1～SQ12, optoelectronic switch; QD, servo-driver; M, servomotor; RZ, brake resistance.

Embodiment

The utility model uses the encoder of servomotor M and servo-driver QD to constitute semiclosed loop, and with pulse feedback PLC, thereby constitute duplicate protection.Simultaneously, the utility model adopts the software synchronization technology, has guaranteed the balance of workbench, for the assembling of transformer coil provides a stable workbench.In operation, adopt touch-screen CMP, designed the operation interface of hommization, made things convenient for operation.

Referring to Fig. 1, Fig. 2, horizontal platen 1 is the workbench of coil assembling, its four angles are connected with guiding trolley 7 on four columns 6, each guiding trolley has 16 rollers, with the location all around of realizing this dolly and guide effect up and down, guiding trolley 7 is connected with the servomotor M that has reductor 2 by lead screw pair 3, under the driving of servomotor M, guiding trolley 7 can move up and down along upright guide rail 5, and the height of horizontal platen 1 is changed.Platen lower position switch 8 (K1 in the corresponding diagram 4, K4, K7, K10), platen origin position switch 9 (K2 in the corresponding diagram 4, K5, K8, K11), platen upper limit position switch 10 (K3 in the corresponding diagram 4, K6, K9, K12) are used for providing the feedback signal of horizontal platen 1 height to PLC.

Referring to Fig. 4, the lifting of four posts drives and all adopts servomotor M, and servomotor drives by servo-driver QD, and the servo-driver model is GS0210A, it realizes the closed loop servo control of electric current loop, speed ring and position ring by a series of control algolithm.PLC is adopted in the control of four servomotor M, the model of PLC is FP-X C60, the built-in pulse coder of servomotor M provides feedback signal for servo-driver QD by pulse coder interface JK, the construction system half-closed loop control, simultaneously, the pulse output of this encoder also feeds back to PLC, the frequency of its feedback can be regulated by parameter " divide ratio of the output of motor encoder feedback signal ", calculate the height of guiding trolley 7 liftings on each column by PLC, to eliminate departure, strengthen reliability.Four posts are adorned platen lower position switch, platen origin position switch, platen upper limit position switch (all adopting optoelectronic switch) respectively, are respectively applied for the detection of the high-low limit position of each guide pillar dolly 7, and the operation of system debug and time initial point.Touch-screen CMP is adopted in operation, can carry out operations such as relative feeding, absolute feeding.

The structure of the driver element A-1 that has only drawn corresponding among Fig. 4 with first column, the structure of other three driver elements is identical therewith, and difference is to be connected with the different port of PLC.

Man-machine interface is totally five main operation interfaces, be respectively: the absolute feeding of lifting, the relative feeding of lifting, initial point is returned in lifting, parameter setting. the descending operation mode is, at first set lifting and return the operation interface of initial point, put back the button of initial point, automatically the optoelectronic switch place that returns initial point falls in elevating mechanism, import the initial point height this moment, no matter absolute feeding still is relative feeding later on, be benchmark all with the initial point height. at absolute feeding interface, the input object height, system will rise or descend automatically. at relative feeding interface, and the input adjustable height, need point to rise or the lifting of decline button Artificial Control, system establishes each motor in addition and adjusts separately, is used for fine setting. and in parameter the interface is set, parameters such as rising or falling speed can be set, simultaneously can be used for equipment self-diagnosis referring to the state of equipment.

Be example with the driver element A-1 corresponding below with first column, drive principle is described in detail: the first guide pillar dolly Position Control end Y0 of PLC, Y1 is connected to 12 and 13 pin of input/output interface of the servo-driver QD of the first driver element A-1, the pulse feedback end of servo-driver QD, be the high-speed counting passage X0 that 39 and 41 pin of input/output interface meet PLC, the X1 end, at the beginning of work, servo-driver is after self check is finished, as there is not a fault, 19 pin by its input/output interface send to PLC and are ready to signal, if any fault, 22 pin by input/output interface send fault-signal to PLC, receive normal signal as PLC, then send servo enable signal by program, this program is assigned as the Y8 end of PLC, and this moment, servo-driver QD can accept pulse signal.Find that as PLC arbitrary servo-driver QD reports to the police, and then can not carry out lifting action, in order to avoid cause imbalance.The Y9 of PLC is connected to 8 pin of servo-driver QD input/output interface, and what be used to report to the police resets.19 pin of the input/output interface of servo-driver QD send the moment of torsion arriving signal to PLC, are used for when reductor 2 mechanical organs such as grade break down, and prevent to surpass nominal torque and cause the accident.In running, PLC receives arbitrary Motor torque arriving signal, can stop running, and send alarm signal.

The utility model adopts software synchronization, and the tables of data and the instruction of the control of four motor synchronous are as follows:

F1 DMV H1122 DT120

F1 DMV K500 DT122

F1 DMV K5000 DT124

F1 DMV K300 DT126

F1 DMV K10000 DT128

F1 DMV K0 DT130

F39 D*D D210 K1000 DT128

F171 SPDH D120 K0

F171 SPDH D120 K1

F171 SPDH D120 K2

F171 SPDH D120 K

At the beginning of program initialization, the initialization region of memory is used for the control of high-speed pulse signal, the concrete implication of the tables of data of Synchronization Control and instruction is: F1 DMV H1122 DT120, control model is set, F1 DMV K500 DT122 is provided with the initial pulse frequency of control, F1 DMV K5000 DT124, the maximum pulse rate of control is set, F1 DMV K300 DT126 is provided with the accelerating time, F1 DMV K10000 DT128, the total number of pulses of output is set, F1 DMV K0 DT130 is provided with stop pulse, has so just finished initial work, these values are just divided internal memory and are used, and concrete value can be provided with in the interface in parameter and change.Be in operation, the desired value of operator's input is deposited in D120, the pulse equivalency of system is 0.001mm, after the operator presses operation, program is at first calculated the target pulse value, the instruction that is usefulness is: F39 D*D D210 K1000DT128, so just changed total umber of pulse among the above-mentioned initialization DT128, four SERVO CONTROL passages use above-mentioned initialization region of memory to control simultaneously then, instruction is F171 SPDH D120 K0, F171 SPDH D120 K1, F171 SPDH D120K2, F171 SPDH D120 K3, so just guaranteed synchronously. for further guaranteeing the reliable of system synchronization, the high-speed pulse feedback of servo-driver QD exports the high-speed counting passage of PLC simultaneously to, the high-speed counting of four motors is in operation in real time relatively, corrects operating imbalance at any time. simultaneously, and in running, program detects abnormal signal in real time, servo-driver QD as arbitrary motor reports to the police, and then ends the operation of all the other motors, to avoid unbalanced phenomenon.

Claims (2)

1. a large-scale power transformer SERVO CONTROL coil groups is shelved, it is characterized in that, comprise horizontal platen (1) and four columns (6) in the formation, described four columns (6) structure is identical, form by cylinder (4) and the servomotor (M) that is loaded on guiding trolley (7), the lead screw pair (3) on the cylinder and has reductor (2), described guiding trolley (7) is connected with cylinder (4) by upright guide rail (5), and constitutes the contact of rolling by roller (11) between guiding trolley and the upright guide rail; Described servomotor (M) is fixed on the cylinder (4), and by reductor (2) and lead screw pair (3) driving guiding trolley (7), described horizontal platen (1) is fixedlyed connected with the guiding trolley (7) on four columns (6), and the servomotor (M) on four columns (6) drives by the bedplate up-down control circuit.

2. shelve according to the described large-scale power transformer SERVO CONTROL of claim 1 coil groups, it is characterized in that, described bedplate up-down control circuit is by the switching signal input circuit, touch-screen (CMP), programmable controller (PLC) is formed with four identical driver elements of structure, described switching signal input circuit comprises 12 limit switches that are installed on four columns (6), each column (6) is gone up three limit switches is installed, be respectively platen lower position switch (8), platen origin position switch (9) and platen upper limit position switch (10), the output signal of 12 limit switches meets the XB of programmable controller (PLC) respectively, XC, XD, X11～X13, X17～X19, X1D, the X1E end; Described touch-screen (CMP) connects the PORT1 interface of programmable controller (PLC); Servomotor (M) on described respectively corresponding four columns of four driver elements (6), each driver element is made of a servo-driver (QD), the L1 of described servo-driver (QD)～L3 termination three phase mains, U, V, W end and pulse coder interface connect servomotor, and 8,12,13,19,21,22,23,39,41 pin of its input/output interface connect programmable controller (PLC).

Images