CN203682920U - Frequency-conversion remote control system of crane for hoisting long railway - Google Patents
Frequency-conversion remote control system of crane for hoisting long railway Download PDFInfo
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- CN203682920U CN203682920U CN201320785237.6U CN201320785237U CN203682920U CN 203682920 U CN203682920 U CN 203682920U CN 201320785237 U CN201320785237 U CN 201320785237U CN 203682920 U CN203682920 U CN 203682920U
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Abstract
The utility model discloses a frequency-conversion remote control system of a crane for hoisting a long railway. The frequency-conversion remote control system comprises a master control room frequency-conversion control system, an external remote control system and a frequency-conversion remote selection switch, wherein a gantry crane control contactor group is connected on a gantry crane, the master control room frequency-conversion control system comprises a frequency converter power supply starting button, a master control room single-action control switching group and a working condition frequency conversion control switching group, which are connected in parallel, and a master control room linkage control contactor and one or more frequency converters; a working condition control relay set and a frequency converter fault alarming circuit are both connected to each frequency converter, a hoisting control relay set and a travelling control relay set are connected to the working condition control relay set, the external remote control system comprises a remote control contactor group, multiple remote control receivers arranged multiple gantry cranes respectively, and multiple remote control transmitters matched with the multiple remote control receivers correspondingly. The frequency-conversion remote control system is convenient to operate, can effectively prevent heavy load hoisting from impacting a power grid, has little impact to a gantry crane steel structure and has high stability.
Description
Technical field
The utility model relates to railway construction machine control technology field, especially relates to a kind of railway's long rail group and hangs frequency conversion remote control system.
Background technology
Along with the development of high speed railway and the requirement of railway transport of passengers speed-raising, circuit adopts continuously welded rail track technology in a large number.Circuit rail adopts and Standard Guage is welded into the long rail of 500m in factory, and be transported to tracklaying base by long steel rail transport train and deposit temporarily, after circuit possesses construction conditions, the laying construction of long rail.In tracklaying base, the lifting of long rail mainly adopts group to lift up into row, group hangs the direct power supply startings that adopt more at present, make the circuit of controlling in this way, starting moment is larger to the impact of electrical network, especially particularly outstanding in the time of heavy-load start, heavy-load start also impacts larger simultaneously to the steel structure of gantry crane, affect the general safety performance of gantry crane.The general capacity that improves voltage transformer that adopts is alleviated this contradiction, but has caused electric damage to increase, and wastes energy, and has increased project spending.In addition, also very important to the type selecting of cable wire when 500 meters of line layouts, must select can moment by the cable wire of enough current capacitys, otherwise can cause starting moment to occur because of the problem that the too low gantry crane of loss in voltage cannot normally move, also therefore increase cable selection, increased cost.And group of the prior art hangs owing to adopting line traffic control lever operated, maintenance rate is higher, safe in operation is lower, harmony is poor, so the control system that current group hangs employing exists many deficiencies, can not meet construction of railways high speed, economy, security needs.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, provide a kind of railway's long rail group to hang frequency conversion remote control system, it is simple in structure, easy to operate, can effectively avoid the impact of heavy-duty lifting to electrical network, to gantry crane steel structure impact little, stability is high, has effectively accelerated long rail group lifting speed, practical, there is wide application value.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of railway's long rail group hangs frequency conversion remote control system, it is characterized in that: comprise Master Control Room frequency-changing control system and external remote control control system for many gantry cranes are controlled, and be connected with power frequency supply by power supply starting circuit and for selecting the frequency conversion remote control select switch of Master Control Room variable frequency control or external remote control, on every described gantry crane, be all connected with gantry crane control contactor group, described Master Control Room frequency-changing control system comprises converter power supply starter button in parallel, Master Control Room single action master cock group and operating mode variable frequency control switches set, and the Master Control Room being connected with described converter power supply starter button interlock control contactor group and for many gantry cranes being carried out to one or more frequency converter of variable frequency control, described converter power supply starter button, Master Control Room single action master cock group is all connected with described frequency conversion remote control select switch with operating mode variable frequency control switches set, described overhead control single action control button group is connected with described gantry crane control contactor group, described Master Control Room interlock control contactor group is all connected with described frequency converter with gantry crane control contactor group, on every described frequency converter, be all connected with operating conditions relay group and frequency converter failure warning circuit, described operating conditions relay group is connected with described operating mode variable frequency control switches set, in described operating conditions relay group, be connected with lift control relay group and traveling control relay group, described lift control relay group is all connected with described gantry crane control contactor group with traveling control relay group, described external remote control control system comprises remote control control contactor group, is arranged on multiple receivers of remote-control sytem on many gantry cranes and corresponding multiple remote-controlled transmitters that match with multiple described receivers of remote-control sytem respectively respectively, on each described remote-controlled transmitter, be provided with operating mode remote control control button group, described remote control control contactor group is all connected with described frequency conversion remote control select switch and gantry crane control contactor group.
Above-mentioned railway's long rail group hangs frequency conversion remote control system, it is characterized in that: the quantity of described gantry crane is 32, the quantity of described frequency converter be 4 and be respectively the first frequency converter B P1 for 1st～8 gantry cranes are controlled, for the second frequency converter B P2 that 9th～17 gantry cranes are controlled, for the 3rd frequency converter B P3 that 18th～25 gantry cranes are controlled and the 4th frequency converter B P4 for 26th～32 gantry cranes are controlled; The relay power terminals R1B of the relay power terminals R1B of described the first frequency converter B P1, the relay power terminals R1B of described the second frequency converter B P2, described the 3rd frequency converter B P3 and the relay power terminals R1B of described the 4th frequency converter B P4 all join with the anodal 24V+ of 24V power supply.
Above-mentioned railway's long rail group hangs frequency conversion remote control system, it is characterized in that: described frequency converter failure warning circuit comprises the first frequency converter failure warning circuit being connected with the first frequency converter B P1, the second frequency converter failure warning circuit being connected with the second frequency converter B P2, the 3rd frequency converter failure warning circuit being connected with the 3rd frequency converter B P3 and the 4th frequency converter failure warning circuit being connected with the 4th frequency converter B P4.
Above-mentioned railway's long rail group hangs frequency conversion remote control system, it is characterized in that: comprise and join with described frequency conversion remote control select switch and control for realizing Master Control Room interlock the interlocking control contactor group interlocking with external remote control control.
Above-mentioned railway's long rail group hangs frequency conversion remote control system, it is characterized in that: described power supply starting circuit comprises circuit breaker Q F0, air switch 1HK1, insurance FU1, insurance FU3, mushroom head button Alarm, power supply starter button SB0, contactless switch KM0 and power light HL0, one group of open contact of described circuit breaker Q F0 and contactless switch KM0 connect successively after with the A phase line A of power frequency supply, B phase line B, C phase line C and zero line NL join, described air switch 1HK1, after connecting successively, insurance FU1 and mushroom head button Alarm join with the A phase line A0 after circuit breaker Q F0, one end of described insurance FU3 joins with the A phase line A1 after one group of open contact of contactless switch KM0,
Described frequency conversion remote control select switch is three select switch SA0, the other end of the common of described three select switch SA0 and described insurance FU3 joins, it is that contact is controlled in Master Control Room interlock that first of described three select switch SA0 select contact, it is Master Control Room single action control contact that second of described three select switch SA0 select contact, and it is remote control control contact that the 3rd of described three select switch SA0 select contact;
Described gantry crane control contactor group comprises gantry crane power supply control contactor KM17, gantry crane rising control contactor KM1, gantry crane decline control contactor KM2, the gantry crane control contactor KM3 that advances, gantry crane retreats control contactor KM4, gantry crane hook lifting motor overheating protection relay KH1 and gantry crane dolly running motor overheat protective relay KH2, advance one end of one group of open contact of control contactor KM3 of one end of one group of open contact of described gantry crane rising control contactor KM1 and described gantry crane all joins with one end of one group of open contact of described gantry crane power supply control contactor KM17, the other end of one group of open contact of described gantry crane rising control contactor KM1 joins by coil and the gantry crane hook lifting motor M 1 of gantry crane hook lifting motor overheating protection relay KH1, the advance other end of one group of open contact of control contactor KM3 of described gantry crane joins by coil and the gantry crane dolly running motor M2 of gantry crane dolly running motor overheat protective relay KH2, one group of open contact of described gantry crane decline control contactor KM2 is in parallel with one group of open contact of described gantry crane rising control contactor KM1, advance one group of open contact of control contactor KM3 of one group of open contact that described gantry crane retreats control contactor KM4 and described gantry crane is in parallel,
Described converter power supply starter button is the moving shift knob SB6 of tetrad, described Master Control Room single action master cock group comprises and is respectively used to switch S A4～SA35 that 32 gantry cranes are controlled, described operating mode variable frequency control switches set comprises the dibit select switch SA1 that rises or decline and advance or retreat for selecting, for selecting to hoist or the dibit select switch SA2 of traveling, for the switch S B7 that selects the dibit select switch SA3 of high speed or low speed and reset for frequency converter, described Master Control Room interlock control contactor group comprises contactless switch KM5 and the KM9 for the first frequency converter B P1 is controlled, for contactless switch KM6 and KM10 that the second frequency converter B P2 is controlled, for contactless switch KM7 and KM11 that the 3rd frequency converter B P3 is controlled, and contactless switch KM8 and KM12 for the 4th frequency converter B P4 is controlled, described operating conditions relay group comprises rising or the control relay K1 that advances, declines or retreat control relay K2, operating mode selective relay K3, low speed control relay K4, High-speed Control relay K 5 and frequency converter reset relay K6, described lift control relay group comprises the relay 1K1～32K1 that is respectively used to 32 gantry cranes to carry out lift control, and described traveling control relay group comprises the relay 1K2～32K2 that is respectively used to 32 gantry cranes to carry out traveling control, in described relay 1K2～32K2, one group of normally closed contact of each relay joins by one group of open contact of contactless switch KM0 and one end of power light HL0 after connecting successively, in described relay 1K1～3,2K1 one group of normally closed contact of each relay connect successively after the one end of coil by power supply starter button SB0 and contactless switch KM0 join, the other end of the coil of the other end of described power light HL0 and contactless switch KM0 all joins with the zero line N after circuit breaker Q F0, one group of normally closed contact of described relay 1K1 and one group of normally closed contact of described relay 1K2 all join with mushroom head button Alarm,
Described remote control control contactor group comprises the contactless switch KM13 being switched on or switched off for controlling 1st～8 gantry cranes and power frequency supply, the contactless switch KM14 being switched on or switched off for controlling 9th～17 gantry cranes and power frequency supply, the contactless switch KM15 being switched on or switched off for controlling 18th～25 gantry cranes and power frequency supply, and the contactless switch KM16 being switched on or switched off for controlling 26th～32 gantry cranes and power frequency supply; Described operating mode remote control control button group comprises rising remote control buttons SB1, decline remote control buttons SB2, the remote control buttons of advancing SB3, retreats remote control buttons SB4 and remote control stop button SB5;
Described interlocking control contactor group comprises contactless switch KM18 and contactless switch KM19;
One end of the first switch in the moving shift knob SB6 of described tetrad, one end of second switch, one end of one end of the 3rd switch and the 4th switch all selects contact to join with first of described three select switch SA0, in the moving shift knob SB6 of described tetrad, the other end of the first switch joins with one end of coil of contactless switch KM5 and one end of the coil of contactless switch KM9 by one group of normally closed contact of contactless switch KM13, the other end of the coil of the other end of the coil of described contactless switch KM5 and contactless switch KM9 all joins with the zero line N after circuit breaker Q F0, the first switch in parallel in one group of open contact of described contactless switch KM5 and described shift knob SB6, in the moving shift knob SB6 of described tetrad, the other end of second switch joins with one end of coil of contactless switch KM6 and one end of the coil of contactless switch KM10 by one group of normally closed contact of contactless switch KM14, the other end of the coil of the other end of the coil of described contactless switch KM6 and contactless switch KM10 all joins with the zero line N after circuit breaker Q F0, and one group of open contact of described contactless switch KM6 is in parallel with second switch in described shift knob SB6, in the moving shift knob SB6 of described tetrad, the other end of the 3rd switch joins with one end of coil of contactless switch KM7 and one end of the coil of contactless switch KM11 by one group of normally closed contact of contactless switch KM15, the other end of the coil of the other end of the coil of described contactless switch KM7 and contactless switch KM11 all joins with the zero line N after circuit breaker Q F0, the 3rd switch in parallel in one group of open contact of described contactless switch KM7 and described shift knob SB6, in the moving shift knob SB6 of described tetrad, the other end of the 4th switch joins with one end of coil of contactless switch KM8 and one end of the coil of contactless switch KM12 by one group of normally closed contact of contactless switch KM16, the other end of the coil of the other end of the coil of described contactless switch KM8 and contactless switch KM12 all joins with the zero line N after circuit breaker Q F0, the 4th switch in parallel in one group of open contact of described contactless switch KM8 and described shift knob SB6, one end of one end of one group of open contact of described contactless switch KM9 and one group of open contact of contactless switch KM13 all with A phase line A1 after one group of open contact of contactless switch KM0, B phase line B1 and C phase line C1 join, the other end of one group of open contact of described contactless switch KM9 and the power inleting terminal of described the first frequency converter B P1 join, one end of the power outlet end of described the first frequency converter B P1 and one group of open contact of contactless switch KM5 joins, the other end of the other end of one group of open contact of described contactless switch KM5 and one group of open contact of contactless switch KM13 all joins with the other end of one group of open contact of the gantry crane power supply control contactor KM17 of 1st～8 gantry cranes, one end of one end of one group of open contact of described contactless switch KM10 and one group of open contact of contactless switch KM14 all with A phase line A1 after one group of open contact of contactless switch KM0, B phase line B1 and C phase line C1 join, the other end of one group of open contact of described contactless switch KM10 and the power inleting terminal of described the second frequency converter B P2 join, one end of the power outlet end of described the second frequency converter B P2 and one group of open contact of contactless switch KM6 joins, the other end of the other end of one group of open contact of described contactless switch KM6 and one group of open contact of contactless switch KM14 all joins with the other end of one group of open contact of the gantry crane power supply control contactor KM17 of 9th～16 gantry cranes, one end of one end of one group of open contact of described contactless switch KM11 and one group of open contact of contactless switch KM15 all with A phase line A1 after one group of open contact of contactless switch KM0, B phase line B1 and C phase line C1 join, the other end of one group of open contact of described contactless switch KM11 and the power inleting terminal of described the 3rd frequency converter B P3 join, one end of the power outlet end of described the 3rd frequency converter B P3 and one group of open contact of contactless switch KM7 joins, the other end of the other end of one group of open contact of described contactless switch KM7 and one group of open contact of contactless switch KM15 all joins with the other end of one group of open contact of the gantry crane power supply control contactor KM17 of 17th～24 gantry cranes, one end of one end of one group of open contact of described contactless switch KM12 and one group of open contact of contactless switch KM16 all with A phase line A1 after one group of open contact of contactless switch KM0, B phase line B1 and C phase line C1 join, the other end of one group of open contact of described contactless switch KM12 and the power inleting terminal of described the 4th frequency converter B P4 join, one end of the power outlet end of described the 4th frequency converter B P4 and one group of open contact of contactless switch KM8 joins, the other end of the other end of one group of open contact of described contactless switch KM8 and one group of open contact of contactless switch KM16 all joins with the other end of one group of open contact of the gantry crane power supply control contactor KM17 of 25th～32 gantry cranes,
The common of described dibit select switch SA1, the common of dibit select switch SA2, the common of dibit select switch SA3 and one end of switch S B7 all select contact to join with first of described three select switch SA0, first of described dibit select switch SA1 selects contact to join by the one end declining or retreat a group of normally closed contact and rising of control relay K2 or the coil of the control relay K1 that advances, one end that second of described dibit select switch SA1 selects one group normally closed contact and the decline of contact by the control relay K1 that rises or advance or retreats the coil of control relay K2 joins, in one end of the first selection contact of described dibit select switch SA2 and the coil of operating mode selective relay K3 and relay 1K1～32K1, one end of the coil of each relay joins, and second of described dibit select switch SA2 selects one end of the coil of each relay in contact and relay 1K2～32K2 to join, first of described dibit select switch SA3 selects contact to join by one end of one group of normally closed contact of High-speed Control relay K 5 and the coil of low speed control relay K4, and the second selection contact of described dibit select switch SA3 joins by one end of one group of normally closed contact of low speed control relay K4 and the coil of High-speed Control relay K 5, one end of the coil of the other end of described switch S B7 and frequency converter reset relay K6 joins, the other end of the coil of described rising or the control relay K1 that advances, decline or retreat the other end of the coil of control relay K2, the other end of the coil of operating mode selective relay K3, the other end of the coil of each relay in relay 1K1～32K1, the other end of the coil of each relay in relay 1K2～32K2, the other end of the coil of low speed control relay K4, the other end of the coil of the other end of the coil of High-speed Control relay K 5 and frequency converter reset relay K6 all joins with the zero line N after circuit breaker Q F0, the terminals LI1 that advances of described the first frequency converter B P1 joins by one group of open contact of the control relay K1 that rises or advance and the 24V supply terminals 24V of described the first frequency converter B P1, the terminals LI1 that advances of described the second frequency converter B P2 joins by one group of open contact of the control relay K1 that rises or advance and the 24V supply terminals 24V of described the second frequency converter B P2, the terminals LI1 that advances of described the 3rd frequency converter B P3 joins by one group of open contact of the control relay K1 that rises or advance and the 24V supply terminals 24V of described the 3rd frequency converter B P3, the terminals LI1 that advances of described the 4th frequency converter B P4 joins by one group of open contact of the control relay K1 that rises or advance and the 24V supply terminals 24V of described the 4th frequency converter B P4, described the first frequency converter B P1 retreats terminals LI2 by declining or retreating one group of open contact of control relay K2 and the 24V supply terminals 24V of described the first frequency converter B P1 joins, described the second frequency converter B P2 retreats terminals LI2 by declining or retreating one group of open contact of control relay K2 and the 24V supply terminals 24V of described the second frequency converter B P2 joins, described the 3rd frequency converter B P3 retreats terminals LI2 by declining or retreating one group of open contact of control relay K2 and the 24V supply terminals 24V of described the 3rd frequency converter B P3 joins, described the 4th frequency converter B P4 retreats terminals LI2 by declining or retreating one group of open contact of control relay K2 and the 24V supply terminals 24V of described the 4th frequency converter B P4 joins, the low speed terminals LI3 of described the first frequency converter B P1 joins by one group of open contact of low speed control relay K4 and the 24V supply terminals 24V of described the first frequency converter B P1, the low speed terminals LI3 of described the second frequency converter B P2 joins by one group of open contact of low speed control relay K4 and the 24V supply terminals 24V of described the second frequency converter B P2, the low speed terminals LI3 of described the 3rd frequency converter B P3 joins by one group of open contact of low speed control relay K4 and the 24V supply terminals 24V of described the 3rd frequency converter B P3, the low speed terminals LI3 of described the 4th frequency converter B P4 joins by one group of open contact of low speed control relay K4 and the 24V supply terminals 24V of described the 4th frequency converter B P4, the high speed terminals LI4 of described the first frequency converter B P1 joins by one group of open contact of High-speed Control relay K 5 and the 24V supply terminals 24V of described the first frequency converter B P1, the high speed terminals LI4 of described the second frequency converter B P2 joins by one group of open contact of High-speed Control relay K 5 and the 24V supply terminals 24V of described the second frequency converter B P2, the high speed terminals LI4 of described the 3rd frequency converter B P3 joins by one group of open contact of High-speed Control relay K 5 and the 24V supply terminals 24V of described the 3rd frequency converter B P3, the high speed terminals LI4 of described the 4th frequency converter B P4 joins by one group of open contact of High-speed Control relay K 5 and the 24V supply terminals 24V of described the 4th frequency converter B P4, the operating mode of described the first frequency converter B P1 selects terminals LI5 to join by one group of open contact of operating mode selective relay K3 and the 24V supply terminals 24V of described the first frequency converter B P1, the operating mode of described the second frequency converter B P2 selects terminals LI5 to join by one group of open contact of operating mode selective relay K3 and the 24V supply terminals 24V of described the second frequency converter B P2, the operating mode of described the 3rd frequency converter B P3 selects terminals LI5 to join by one group of open contact of operating mode selective relay K3 and the 24V supply terminals 24V of described the 3rd frequency converter B P3, the operating mode of described the 4th frequency converter B P4 selects terminals LI5 to join by one group of open contact of operating mode selective relay K3 and the 24V supply terminals 24V of described the 4th frequency converter B P4, the reset terminals LI6 of described the first frequency converter B P1 joins by one group of open contact of frequency converter reset relay K6 and the 24V supply terminals 24V of described the first frequency converter B P1, the reset terminals LI6 of described the second frequency converter B P2 joins by one group of open contact of frequency converter reset relay K6 and the 24V supply terminals 24V of described the second frequency converter B P2, the reset terminals LI6 of described the 3rd frequency converter B P3 joins by one group of open contact of frequency converter reset relay K6 and the 24V supply terminals 24V of described the 3rd frequency converter B P3, the reset terminals LI6 of described the 4th frequency converter B P4 joins by one group of open contact of frequency converter reset relay K6 and the 24V supply terminals 24V of described the 4th frequency converter B P4,
In described switch S A4～SA35, one end of each switch all selects contact to join with second of described three select switch SA0, in described switch S A4～SA35 the other end of each switch respectively in corresponding and 32 gantry crane power supply control contactor KM17 one end of the coil of each contactless switch join, in 32 gantry crane power supply control contactor KM17, the other end of the coil of each contactless switch all joins with the zero line N after circuit breaker Q F0;
One end of the coil of described contactless switch KM13, one end of the coil of contactless switch KM14, one end of the coil of one end of the coil of contactless switch KM15 and contactless switch KM16 is all by one group of normally closed contact of the mutual contactless switch KM5 connecting, one group of normally closed contact of contactless switch KM6, the 3rd of one group of normally closed contact of contactless switch KM7 and one group of normally closed contact of contactless switch KM8 and described three select switch SA0 select contact to join, the other end of the coil of described contactless switch KM13, the other end of the coil of contactless switch KM14, the other end of the coil of the other end of the coil of contactless switch KM15 and contactless switch KM16 all joins with the zero line N after circuit breaker Q F0, one end of one end of one group of open contact of described contactless switch KM18 and one group of open contact of described contactless switch KM19 all joins by one end of insurance FU2 and 36V source of AC, and in described relay 1K1～32K1, in one end of one group of open contact of each relay and described relay 1K2～32K2, one end of one group of open contact of each relay all joins with the other end of one group of open contact of described contactless switch KM19, the other end of one end of described remote control stop button SB5 and one group of open contact of described contactless switch KM18 joins, one end of described rising remote control buttons SB1, one end of decline remote control buttons SB2, one end of the remote control buttons of advancing SB3 all joins with the other end of described remote control stop button SB5 with the one end that retreats remote control buttons SB4, the other end of described rising remote control buttons SB1 is by one group of normally closed contact of intermediate relay KA, one group of normally closed contact of gantry crane decline control contactor KM2, lifting position-limit switch S Q1, one group of normally closed contact of the coil of gantry crane rising control contactor KM1 and gantry crane hook lifting motor overheating protection relay KH1 and the other end of 36V source of AC join, one group of normally closed contact of one group of normally closed contact of the one group normally closed contact of the other end of described decline remote control buttons SB2 by intermediate relay KA, gantry crane rising control contactor KM1, the coil of gantry crane decline control contactor KM2 and gantry crane hook lifting motor overheating protection relay KH1 and the other end of 36V source of AC join, the other end of the described remote control buttons SB3 that advances retreats advance one group of normally closed contact of the coil of control contactor KM3 and gantry crane dolly running motor overheat protective relay KH2 and the other end of 36V source of AC of one group of normally closed contact of control contactor KM4, the limit switch SQ2 that advances, gantry crane by one group of normally closed contact, gantry crane of intermediate relay KA and joins, the described other end that retreats remote control buttons SB4 by one group of normally closed contact, gantry crane of intermediate relay KA advance control contactor KM3 one group of normally closed contact, retreat that limit switch SQ3, gantry crane retreat one group of normally closed contact of the coil of control contactor KM4 and gantry crane dolly running motor overheat protective relay KH2 and the other end of 36V source of AC joins, the other end of one group of open contact of one end of the coil of described intermediate relay KA and described contactless switch KM19 joins, and the other end of the other end of the coil of described intermediate relay KA and 36V source of AC joins, in described relay 1K1～32K1, the other end of one group of open contact of each relay all joins with the coupling end of one group of normally closed contact of intermediate relay KA and one group of normally closed contact of gantry crane decline control contactor KM2, and all joins with the coupling end of one group of normally closed contact of intermediate relay KA and one group of normally closed contact of gantry crane rising control contactor KM1, in described relay 1K2～32K2, the other end of one group of open contact of each relay all joins with the coupling end that one group of normally closed contact of intermediate relay KA and gantry crane retreat one group of normally closed contact of control contactor KM4, and all joins with the advance coupling end of one group of normally closed contact of control contactor KM3 of one group of normally closed contact of intermediate relay KA and gantry crane,
First of one end of one group of normally closed contact of described contactless switch KM18 and described three select switch SA0 select contact to join, one end of the other end of one group of normally closed contact of described contactless switch KM18 and the coil of contactless switch KM19 joins, the 3rd of one end of one group of normally closed contact of described contactless switch KM19 and described three select switch SA0 select contact to join, one end of the other end of one group of normally closed contact of described contactless switch KM19 and the coil of contactless switch KM18 joins, the other end of the coil of the other end of the coil of described contactless switch KM19 and contactless switch KM18 all joins with the zero line N after circuit breaker Q F0,
Above-mentioned railway's long rail group hangs frequency conversion remote control system, it is characterized in that: described the first frequency converter failure warning circuit is made up of relay K 7 and the first frequency converter failure indicator lamp L1, the coil of described relay K 7 is connected between the relay common terminal R1C of described the first frequency converter B P1 and the negative pole 24V-of 24V power supply, and one group of open contact of described relay K 7 is connected between the C phase line C1 after one group of open contact of contactless switch KM0 and the zero line N after circuit breaker Q F0 after connecting with described the first frequency converter failure indicator lamp L1;
Described the second frequency converter failure warning circuit is made up of relay K 8 and the second frequency converter failure indicator lamp L2, the coil of described relay K 8 is connected between the relay common terminal R1C of described the second frequency converter B P2 and the negative pole 24V-of 24V power supply, and one group of open contact of described relay K 8 is connected between the C phase line C1 after one group of open contact of contactless switch KM0 and the zero line N after circuit breaker Q F0 after connecting with described the second frequency converter failure indicator lamp L2;
Described the 3rd frequency converter failure warning circuit is made up of relay K 9 and the 3rd frequency converter failure indicator lamp L3, the coil of described relay K 9 is connected between the relay common terminal R1C of described the 3rd frequency converter B P3 and the negative pole 24V-of 24V power supply, and one group of open contact of described relay K 9 is connected between the C phase line C1 after one group of open contact of contactless switch KM0 and the zero line N after circuit breaker Q F0 after connecting with described the 3rd frequency converter failure indicator lamp L3;
Described the 4th frequency converter failure warning circuit is made up of relay K 10 and the 4th frequency converter failure indicator lamp L4, the coil of described relay K 10 is connected between the relay common terminal R1C of described the 4th frequency converter B P4 and the negative pole 24V-of 24V power supply, and one group of open contact of described relay K 10 is connected between the C phase line C1 after one group of open contact of contactless switch KM0 and the zero line N after circuit breaker Q F0 after connecting with described the 4th frequency converter failure indicator lamp L4.
Above-mentioned railway's long rail group hangs frequency conversion remote control system, it is characterized in that: comprise that operation prompting button SB9 reminds electric bell HA with operation, described operation is connected between the C phase line C1 after one group of open contact of contactless switch KM0 and the zero line N after circuit breaker Q F0 after reminding button SB9 and moving prompting electric bell HA series connection.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, reasonable in design, and it is convenient to realize.
2, of the present utility model easy to operate, can save manpower, reduce labour intensity, effectively accelerate long rail group lifting speed, improve production efficiency.
3, the utility model can overcome the deficiency of full voltage starting, improve group hang the safety performance of integrated operation, can effectively avoid the impact of heavy-duty lifting to electrical network, to gantry crane steel structure impact little, stability is high, can reduce the maintenance of equipment, guarantees safety.
4, the utility model contributes to realize the construction theory of efficient, energy-saving and environmental protection, safety, practical, has wide application value.
In sum, the utility model is simple in structure, easy to operate, can effectively avoid the impact of heavy-duty lifting to electrical network, to gantry crane steel structure impact little, stability is high, has effectively accelerated long rail group lifting speed, practical, there is wide application value.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Fig. 2 is main circuit diagram of the present utility model.
Fig. 3 is the control circuit figure of the utility model Master Control Room frequency-changing control system.
Fig. 4 is the control circuit figure of the utility model external remote control control system.
Fig. 5 is the circuit diagram of the utility model the first frequency converter B P1.
Fig. 6 is the circuit diagram of the utility model the second frequency converter B P2.
Fig. 7 is the circuit diagram of the utility model the 3rd frequency converter B P3.
Fig. 8 is the circuit diagram of the utility model the 4th frequency converter B P4.
Fig. 9 is the circuit diagram of the utility model frequency converter failure warning circuit.
Description of reference numerals:
1-power frequency supply; 2-power supply starting circuit;
3-frequency conversion remote control select switch; 4-1-converter power supply starter button;
4-2-Master Control Room single action master cock group; 4-3-operating mode variable frequency control switches set;
4-4-Master Control Room interlock control contactor group; 4-5-frequency converter;
4-6-operating conditions relay group; 4-7-lift control relay group;
4-8-traveling control relay group; 4-9-frequency converter failure warning circuit;
5-1-remote control control contactor group; 5-2-receiver of remote-control sytem;
5-3-remote-controlled transmitter; 5-4-operating mode remote control control button group;
6-gantry crane control contactor group; 7-gantry crane;
8-interlocking control contactor group.
Detailed description of the invention
As shown in Figure 1, the utility model comprises Master Control Room frequency-changing control system and the external remote control control system for many gantry cranes 7 are controlled, and be connected with power frequency supply 1 by power supply starting circuit 2 and for selecting the frequency conversion remote control select switch 3 of Master Control Room variable frequency control or external remote control, on every described gantry crane 7, be all connected with gantry crane control contactor group 6; described Master Control Room frequency-changing control system comprises converter power supply starter button 4-1 in parallel, Master Control Room single action master cock group 4-2 and operating mode variable frequency control switches set 4-3, and the Master Control Room being connected with described converter power supply starter button 4-1 interlock control contactor group 4-4 and for many gantry cranes 7 being carried out to one or more frequency converter 4-5 of variable frequency control, described converter power supply starter button 4-1, Master Control Room single action master cock group 4-2 is all connected with described frequency conversion remote control select switch 3 with operating mode variable frequency control switches set 4-3, described overhead control single action control button group 4-2 is connected with described gantry crane control contactor group 6, described Master Control Room interlock control contactor group 4-4 is all connected with described frequency converter 4-5 with gantry crane control contactor group 6, on every described frequency converter 4-5, be all connected with operating conditions relay group 4-6 and frequency converter failure warning circuit 4-9, described operating conditions relay group 4-6 is connected with described operating mode variable frequency control switches set 4-3, on described operating conditions relay group 4-6, be connected with lift control relay group 4-7 and traveling control relay group 4-8, described lift control relay group 4-7 is all connected with described gantry crane control contactor group 6 with traveling control relay group 4-8, described external remote control control system comprises remote control control contactor group 5-1, is arranged on multiple receiver of remote-control sytem 5-2 on many gantry cranes 7 and corresponding multiple remote-controlled transmitter 5-3 that match with multiple described receiver of remote-control sytem 5-2 respectively respectively, on each described remote-controlled transmitter 5-3, be provided with operating mode remote control control button group 5-4, described remote control control contactor group 5-1 is all connected with described frequency conversion remote control select switch 3 and gantry crane control contactor group 6.
In conjunction with Fig. 5～Fig. 8, in the present embodiment, the quantity of described gantry crane 7 is 32, the quantity of described frequency converter 4-5 be 4 and be respectively the first frequency converter B P1 for 1st～8 gantry cranes 7 are controlled, for the second frequency converter B P2 that 9th～17 gantry cranes 7 are controlled, for the 3rd frequency converter B P3 that 18th～25 gantry cranes 7 are controlled and the 4th frequency converter B P4 for 26th～32 gantry cranes 7 are controlled; The relay power terminals R1B of the relay power terminals R1B of described the first frequency converter B P1, the relay power terminals R1B of described the second frequency converter B P2, described the 3rd frequency converter B P3 and the relay power terminals R1B of described the 4th frequency converter B P4 all join with the anodal 24V+ of 24V power supply.Described frequency converter failure warning circuit 4-9 comprises the first frequency converter failure warning circuit being connected with the first frequency converter B P1, the second frequency converter failure warning circuit being connected with the second frequency converter B P2, the 3rd frequency converter failure warning circuit being connected with the 3rd frequency converter B P3 and the 4th frequency converter failure warning circuit being connected with the 4th frequency converter B P4.
As shown in Figure 1, in the present embodiment, the utility model also comprises and joins with described frequency conversion remote control select switch 3 and control for realizing Master Control Room interlock the interlocking control contactor group 8 interlocking with external remote control control.
In conjunction with Fig. 2 and Fig. 3, in the present embodiment, described power supply starting circuit 2 comprises circuit breaker Q F0, air switch 1HK1, insurance FU1, insurance FU3, mushroom head button Alarm, power supply starter button SB0, contactless switch KM0 and power light HL0, one group of open contact of described circuit breaker Q F0 and contactless switch KM0 connect successively after with the A phase line A of power frequency supply 1, B phase line B, C phase line C and zero line NL join, described air switch 1HK1, after connecting successively, insurance FU1 and mushroom head button Alarm join with the A phase line A0 after circuit breaker Q F0, one end of described insurance FU3 joins with the A phase line A1 after one group of open contact of contactless switch KM0,
In conjunction with Fig. 3, described frequency conversion remote control select switch 3 is three select switch SA0, the other end of the common of described three select switch SA0 and described insurance FU3 joins, it is that contact is controlled in Master Control Room interlock that first of described three select switch SA0 select contact, it is Master Control Room single action control contact that second of described three select switch SA0 select contact, and it is remote control control contact that the 3rd of described three select switch SA0 select contact;
In conjunction with Fig. 3 and Fig. 4, described gantry crane control contactor group 6 comprises gantry crane power supply control contactor KM17, gantry crane rising control contactor KM1, gantry crane decline control contactor KM2, the gantry crane control contactor KM3 that advances, gantry crane retreats control contactor KM4, gantry crane hook lifting motor overheating protection relay KH1 and gantry crane dolly running motor overheat protective relay KH2, advance one end of one group of open contact of control contactor KM3 of one end of one group of open contact of described gantry crane rising control contactor KM1 and described gantry crane all joins with one end of one group of open contact of described gantry crane power supply control contactor KM17, the other end of one group of open contact of described gantry crane rising control contactor KM1 joins by coil and the gantry crane hook lifting motor M 1 of gantry crane hook lifting motor overheating protection relay KH1, the advance other end of one group of open contact of control contactor KM3 of described gantry crane joins by coil and the gantry crane dolly running motor M2 of gantry crane dolly running motor overheat protective relay KH2, one group of open contact of described gantry crane decline control contactor KM2 is in parallel with one group of open contact of described gantry crane rising control contactor KM1, advance one group of open contact of control contactor KM3 of one group of open contact that described gantry crane retreats control contactor KM4 and described gantry crane is in parallel,
In conjunction with Fig. 2 and Fig. 3, described converter power supply starter button 4-1 is the moving shift knob SB6 of tetrad, described Master Control Room single action master cock group 4-2 comprises and is respectively used to switch S A4～SA35 that 32 gantry cranes are controlled, described operating mode variable frequency control switches set 4-3 comprises the dibit select switch SA1 that rises or decline and advance or retreat for selecting, for selecting to hoist or the dibit select switch SA2 of traveling, for the switch S B7 that selects the dibit select switch SA3 of high speed or low speed and reset for frequency converter, described Master Control Room interlock control contactor group 4-4 comprises contactless switch KM5 and the KM9 for the first frequency converter B P1 is controlled, for contactless switch KM6 and KM10 that the second frequency converter B P2 is controlled, for contactless switch KM7 and KM11 that the 3rd frequency converter B P3 is controlled, and contactless switch KM8 and KM12 for the 4th frequency converter B P4 is controlled, described operating conditions relay group 4-6 comprises rising or the control relay K1 that advances, declines or retreat control relay K2, operating mode selective relay K3, low speed control relay K4, High-speed Control relay K 5 and frequency converter reset relay K6, described lift control relay group 4-7 comprises the relay 1K1～32K1 that is respectively used to 32 gantry cranes to carry out lift control, and described traveling control relay group 4-8 comprises the relay 1K2～32K2 that is respectively used to 32 gantry cranes to carry out traveling control, in described relay 1K2～32K2, one group of normally closed contact of each relay joins by one group of open contact of contactless switch KM0 and one end of power light HL0 after connecting successively, in described relay 1K1～3,2K1 one group of normally closed contact of each relay connect successively after the one end of coil by power supply starter button SB0 and contactless switch KM0 join, the other end of the coil of the other end of described power light HL0 and contactless switch KM0 all joins with the zero line N after circuit breaker Q F0, one group of normally closed contact of described relay 1K1 and one group of normally closed contact of described relay 1K2 all join with mushroom head button Alarm,
In conjunction with Fig. 3 and Fig. 4, described remote control control contactor group 5-1 comprises the contactless switch KM13 being switched on or switched off for controlling 1st～8 gantry cranes 7 and power frequency supply 1, the contactless switch KM14 being switched on or switched off for controlling 9th～17 gantry cranes 7 and power frequency supply 1, the contactless switch KM15 being switched on or switched off for controlling 18th～25 gantry cranes 7 and power frequency supply 1, and the contactless switch KM16 being switched on or switched off for controlling 26th～32 gantry cranes 7 and power frequency supply 1; Described operating mode remote control control button group 5-4 comprises rising remote control buttons SB1, decline remote control buttons SB2, the remote control buttons of advancing SB3, retreats remote control buttons SB4 and remote control stop button SB5;
In conjunction with Fig. 2, Fig. 3 and Fig. 4, described interlocking control contactor group 8 comprises contactless switch KM18 and contactless switch KM19;
As shown in Figures 2 and 3, one end of the first switch in the moving shift knob SB6 of described tetrad, one end of second switch, one end of one end of the 3rd switch and the 4th switch all selects contact to join with first of described three select switch SA0, in the moving shift knob SB6 of described tetrad, the other end of the first switch joins with one end of coil of contactless switch KM5 and one end of the coil of contactless switch KM9 by one group of normally closed contact of contactless switch KM13, the other end of the coil of the other end of the coil of described contactless switch KM5 and contactless switch KM9 all joins with the zero line N after circuit breaker Q F0, the first switch in parallel in one group of open contact of described contactless switch KM5 and described shift knob SB6, in the moving shift knob SB6 of described tetrad, the other end of second switch joins with one end of coil of contactless switch KM6 and one end of the coil of contactless switch KM10 by one group of normally closed contact of contactless switch KM14, the other end of the coil of the other end of the coil of described contactless switch KM6 and contactless switch KM10 all joins with the zero line N after circuit breaker Q F0, and one group of open contact of described contactless switch KM6 is in parallel with second switch in described shift knob SB6, in the moving shift knob SB6 of described tetrad, the other end of the 3rd switch joins with one end of coil of contactless switch KM7 and one end of the coil of contactless switch KM11 by one group of normally closed contact of contactless switch KM15, the other end of the coil of the other end of the coil of described contactless switch KM7 and contactless switch KM11 all joins with the zero line N after circuit breaker Q F0, the 3rd switch in parallel in one group of open contact of described contactless switch KM7 and described shift knob SB6, in the moving shift knob SB6 of described tetrad, the other end of the 4th switch joins with one end of coil of contactless switch KM8 and one end of the coil of contactless switch KM12 by one group of normally closed contact of contactless switch KM16, the other end of the coil of the other end of the coil of described contactless switch KM8 and contactless switch KM12 all joins with the zero line N after circuit breaker Q F0, the 4th switch in parallel in one group of open contact of described contactless switch KM8 and described shift knob SB6, one end of one end of one group of open contact of described contactless switch KM9 and one group of open contact of contactless switch KM13 all with A phase line A1 after one group of open contact of contactless switch KM0, B phase line B1 and C phase line C1 join, the other end of one group of open contact of described contactless switch KM9 and the power inleting terminal of described the first frequency converter B P1 join, one end of the power outlet end of described the first frequency converter B P1 and one group of open contact of contactless switch KM5 joins, the other end of the other end of one group of open contact of described contactless switch KM5 and one group of open contact of contactless switch KM13 all joins with the other end of one group of open contact of the gantry crane power supply control contactor KM17 of 1st～8 gantry cranes, one end of one end of one group of open contact of described contactless switch KM10 and one group of open contact of contactless switch KM14 all with A phase line A1 after one group of open contact of contactless switch KM0, B phase line B1 and C phase line C1 join, the other end of one group of open contact of described contactless switch KM10 and the power inleting terminal of described the second frequency converter B P2 join, one end of the power outlet end of described the second frequency converter B P2 and one group of open contact of contactless switch KM6 joins, the other end of the other end of one group of open contact of described contactless switch KM6 and one group of open contact of contactless switch KM14 all joins with the other end of one group of open contact of the gantry crane power supply control contactor KM17 of 9th～16 gantry cranes, one end of one end of one group of open contact of described contactless switch KM11 and one group of open contact of contactless switch KM15 all with A phase line A1 after one group of open contact of contactless switch KM0, B phase line B1 and C phase line C1 join, the other end of one group of open contact of described contactless switch KM11 and the power inleting terminal of described the 3rd frequency converter B P3 join, one end of the power outlet end of described the 3rd frequency converter B P3 and one group of open contact of contactless switch KM7 joins, the other end of the other end of one group of open contact of described contactless switch KM7 and one group of open contact of contactless switch KM15 all joins with the other end of one group of open contact of the gantry crane power supply control contactor KM17 of 17th～24 gantry cranes, one end of one end of one group of open contact of described contactless switch KM12 and one group of open contact of contactless switch KM16 all with A phase line A1 after one group of open contact of contactless switch KM0, B phase line B1 and C phase line C1 join, the other end of one group of open contact of described contactless switch KM12 and the power inleting terminal of described the 4th frequency converter B P4 join, one end of the power outlet end of described the 4th frequency converter B P4 and one group of open contact of contactless switch KM8 joins, the other end of the other end of one group of open contact of described contactless switch KM8 and one group of open contact of contactless switch KM16 all joins with the other end of one group of open contact of the gantry crane power supply control contactor KM17 of 25th～32 gantry cranes,
As shown in Figure 2, the common of described dibit select switch SA1, the common of dibit select switch SA2, the common of dibit select switch SA3 and one end of switch S B7 all select contact to join with first of described three select switch SA0, first of described dibit select switch SA1 selects contact to join by the one end declining or retreat a group of normally closed contact and rising of control relay K2 or the coil of the control relay K1 that advances, one end that second of described dibit select switch SA1 selects one group normally closed contact and the decline of contact by the control relay K1 that rises or advance or retreats the coil of control relay K2 joins, in one end of the first selection contact of described dibit select switch SA2 and the coil of operating mode selective relay K3 and relay 1K1～32K1, one end of the coil of each relay joins, and second of described dibit select switch SA2 selects one end of the coil of each relay in contact and relay 1K2～32K2 to join, first of described dibit select switch SA3 selects contact to join by one end of one group of normally closed contact of High-speed Control relay K 5 and the coil of low speed control relay K4, and the second selection contact of described dibit select switch SA3 joins by one end of one group of normally closed contact of low speed control relay K4 and the coil of High-speed Control relay K 5, one end of the coil of the other end of described switch S B7 and frequency converter reset relay K6 joins, the other end of the coil of described rising or the control relay K1 that advances, decline or retreat the other end of the coil of control relay K2, the other end of the coil of operating mode selective relay K3, the other end of the coil of each relay in relay 1K1～32K1, the other end of the coil of each relay in relay 1K2～32K2, the other end of the coil of low speed control relay K4, the other end of the coil of the other end of the coil of High-speed Control relay K 5 and frequency converter reset relay K6 all joins with the zero line N after circuit breaker Q F0, as shown in Figure 5, the terminals LI1 that advances of described the first frequency converter B P1 joins by one group of open contact of the control relay K1 that rises or advance and the 24V supply terminals 24V of described the first frequency converter B P1, as shown in Figure 6, the terminals LI1 that advances of described the second frequency converter B P2 joins by one group of open contact of the control relay K1 that rises or advance and the 24V supply terminals 24V of described the second frequency converter B P2, as shown in Figure 7, the terminals LI1 that advances of described the 3rd frequency converter B P3 joins by one group of open contact of the control relay K1 that rises or advance and the 24V supply terminals 24V of described the 3rd frequency converter B P3, as shown in Figure 8, the terminals LI1 that advances of described the 4th frequency converter B P4 joins by one group of open contact of the control relay K1 that rises or advance and the 24V supply terminals 24V of described the 4th frequency converter B P4, as shown in Figure 5, described the first frequency converter B P1 retreats terminals LI2 by declining or retreating one group of open contact of control relay K2 and the 24V supply terminals 24V of described the first frequency converter B P1 joins, as shown in Figure 6, described the second frequency converter B P2 retreats terminals LI2 by declining or retreating one group of open contact of control relay K2 and the 24V supply terminals 24V of described the second frequency converter B P2 joins, as shown in Figure 7, described the 3rd frequency converter B P3 retreats terminals LI2 by declining or retreating one group of open contact of control relay K2 and the 24V supply terminals 24V of described the 3rd frequency converter B P3 joins, as shown in Figure 8, described the 4th frequency converter B P4 retreats terminals LI2 by declining or retreating one group of open contact of control relay K2 and the 24V supply terminals 24V of described the 4th frequency converter B P4 joins, as shown in Figure 5, the low speed terminals LI3 of described the first frequency converter B P1 joins by one group of open contact of low speed control relay K4 and the 24V supply terminals 24V of described the first frequency converter B P1, as shown in Figure 6, the low speed terminals LI3 of described the second frequency converter B P2 joins by one group of open contact of low speed control relay K4 and the 24V supply terminals 24V of described the second frequency converter B P2, as shown in Figure 7, the low speed terminals LI3 of described the 3rd frequency converter B P3 joins by one group of open contact of low speed control relay K4 and the 24V supply terminals 24V of described the 3rd frequency converter B P3, as shown in Figure 8, the low speed terminals LI3 of described the 4th frequency converter B P4 joins by one group of open contact of low speed control relay K4 and the 24V supply terminals 24V of described the 4th frequency converter B P4, as shown in Figure 5, the high speed terminals LI4 of described the first frequency converter B P1 joins by one group of open contact of High-speed Control relay K 5 and the 24V supply terminals 24V of described the first frequency converter B P1, as shown in Figure 6, the high speed terminals LI4 of described the second frequency converter B P2 joins by one group of open contact of High-speed Control relay K 5 and the 24V supply terminals 24V of described the second frequency converter B P2, as shown in Figure 7, the high speed terminals LI4 of described the 3rd frequency converter B P3 joins by one group of open contact of High-speed Control relay K 5 and the 24V supply terminals 24V of described the 3rd frequency converter B P3, as shown in Figure 8, the high speed terminals LI4 of described the 4th frequency converter B P4 joins by one group of open contact of High-speed Control relay K 5 and the 24V supply terminals 24V of described the 4th frequency converter B P4, as shown in Figure 5, the operating mode of described the first frequency converter B P1 selects terminals LI5 to join by one group of open contact of operating mode selective relay K3 and the 24V supply terminals 24V of described the first frequency converter B P1, as shown in Figure 6, the operating mode of described the second frequency converter B P2 selects terminals LI5 to join by one group of open contact of operating mode selective relay K3 and the 24V supply terminals 24V of described the second frequency converter B P2, as shown in Figure 7, the operating mode of described the 3rd frequency converter B P3 selects terminals LI5 to join by one group of open contact of operating mode selective relay K3 and the 24V supply terminals 24V of described the 3rd frequency converter B P3, as shown in Figure 8, the operating mode of described the 4th frequency converter B P4 selects terminals LI5 to join by one group of open contact of operating mode selective relay K3 and the 24V supply terminals 24V of described the 4th frequency converter B P4, as shown in Figure 5, the reset terminals LI6 of described the first frequency converter B P1 joins by one group of open contact of frequency converter reset relay K6 and the 24V supply terminals 24V of described the first frequency converter B P1, as shown in Figure 6, the reset terminals LI6 of described the second frequency converter B P2 joins by one group of open contact of frequency converter reset relay K6 and the 24V supply terminals 24V of described the second frequency converter B P2, as shown in Figure 7, the reset terminals LI6 of described the 3rd frequency converter B P3 joins by one group of open contact of frequency converter reset relay K6 and the 24V supply terminals 24V of described the 3rd frequency converter B P3, as shown in Figure 8, the reset terminals LI6 of described the 4th frequency converter B P4 joins by one group of open contact of frequency converter reset relay K6 and the 24V supply terminals 24V of described the 4th frequency converter B P4,
As shown in Figure 3, in described switch S A4～SA35, one end of each switch all selects contact to join with second of described three select switch SA0, in described switch S A4～SA35 the other end of each switch respectively in corresponding and 32 gantry crane power supply control contactor KM17 one end of the coil of each contactless switch join, in 32 gantry crane power supply control contactor KM17, the other end of the coil of each contactless switch all joins with the zero line N after circuit breaker Q F0;
As shown in Figure 3, one end of the coil of described contactless switch KM13, one end of the coil of contactless switch KM14, one end of the coil of one end of the coil of contactless switch KM15 and contactless switch KM16 is all by one group of normally closed contact of the mutual contactless switch KM5 connecting, one group of normally closed contact of contactless switch KM6, the 3rd of one group of normally closed contact of contactless switch KM7 and one group of normally closed contact of contactless switch KM8 and described three select switch SA0 select contact to join, the other end of the coil of described contactless switch KM13, the other end of the coil of contactless switch KM14, the other end of the coil of the other end of the coil of contactless switch KM15 and contactless switch KM16 all joins with the zero line N after circuit breaker Q F0, as shown in Figure 4, one end of one end of one group of open contact of described contactless switch KM18 and one group of open contact of described contactless switch KM19 all joins by one end of insurance FU2 and 36V source of AC, and in described relay 1K1～32K1, in one end of one group of open contact of each relay and described relay 1K2～32K2, one end of one group of open contact of each relay all joins with the other end of one group of open contact of described contactless switch KM19, the other end of one end of described remote control stop button SB5 and one group of open contact of described contactless switch KM18 joins, one end of described rising remote control buttons SB1, one end of decline remote control buttons SB2, one end of the remote control buttons of advancing SB3 all joins with the other end of described remote control stop button SB5 with the one end that retreats remote control buttons SB4, the other end of described rising remote control buttons SB1 is by one group of normally closed contact of intermediate relay KA, one group of normally closed contact of gantry crane decline control contactor KM2, lifting position-limit switch S Q1, one group of normally closed contact of the coil of gantry crane rising control contactor KM1 and gantry crane hook lifting motor overheating protection relay KH1 and the other end of 36V source of AC join, one group of normally closed contact of one group of normally closed contact of the one group normally closed contact of the other end of described decline remote control buttons SB2 by intermediate relay KA, gantry crane rising control contactor KM1, the coil of gantry crane decline control contactor KM2 and gantry crane hook lifting motor overheating protection relay KH1 and the other end of 36V source of AC join, the other end of the described remote control buttons SB3 that advances retreats advance one group of normally closed contact of the coil of control contactor KM3 and gantry crane dolly running motor overheat protective relay KH2 and the other end of 36V source of AC of one group of normally closed contact of control contactor KM4, the limit switch SQ2 that advances, gantry crane by one group of normally closed contact, gantry crane of intermediate relay KA and joins, the described other end that retreats remote control buttons SB4 by one group of normally closed contact, gantry crane of intermediate relay KA advance control contactor KM3 one group of normally closed contact, retreat that limit switch SQ3, gantry crane retreat one group of normally closed contact of the coil of control contactor KM4 and gantry crane dolly running motor overheat protective relay KH2 and the other end of 36V source of AC joins, the other end of one group of open contact of one end of the coil of described intermediate relay KA and described contactless switch KM19 joins, and the other end of the other end of the coil of described intermediate relay KA and 36V source of AC joins, in described relay 1K1～32K1, the other end of one group of open contact of each relay all joins with the coupling end of one group of normally closed contact of intermediate relay KA and one group of normally closed contact of gantry crane decline control contactor KM2, and all joins with the coupling end of one group of normally closed contact of intermediate relay KA and one group of normally closed contact of gantry crane rising control contactor KM1, in described relay 1K2～32K2, the other end of one group of open contact of each relay all joins with the coupling end that one group of normally closed contact of intermediate relay KA and gantry crane retreat one group of normally closed contact of control contactor KM4, and all joins with the advance coupling end of one group of normally closed contact of control contactor KM3 of one group of normally closed contact of intermediate relay KA and gantry crane,
As shown in Figure 3, first of one end of one group of normally closed contact of described contactless switch KM18 and described three select switch SA0 select contact to join, one end of the other end of one group of normally closed contact of described contactless switch KM18 and the coil of contactless switch KM19 joins, the 3rd of one end of one group of normally closed contact of described contactless switch KM19 and described three select switch SA0 select contact to join, one end of the other end of one group of normally closed contact of described contactless switch KM19 and the coil of contactless switch KM18 joins, the other end of the coil of the other end of the coil of described contactless switch KM19 and contactless switch KM18 all joins with the zero line N after circuit breaker Q F0,
As shown in Figure 9, in the present embodiment, described the first frequency converter failure warning circuit is made up of relay K 7 and the first frequency converter failure indicator lamp L1, the coil of described relay K 7 is connected between the relay common terminal R1C of described the first frequency converter B P1 and the negative pole 24V-of 24V power supply, and one group of open contact of described relay K 7 is connected between the C phase line C1 after one group of open contact of contactless switch KM0 and the zero line N after circuit breaker Q F0 after connecting with described the first frequency converter failure indicator lamp L1;
As shown in Figure 9, described the second frequency converter failure warning circuit is made up of relay K 8 and the second frequency converter failure indicator lamp L2, the coil of described relay K 8 is connected between the relay common terminal R1C of described the second frequency converter B P2 and the negative pole 24V-of 24V power supply, and one group of open contact of described relay K 8 is connected between the C phase line C1 after one group of open contact of contactless switch KM0 and the zero line N after circuit breaker Q F0 after connecting with described the second frequency converter failure indicator lamp L2;
As shown in Figure 9, described the 3rd frequency converter failure warning circuit is made up of relay K 9 and the 3rd frequency converter failure indicator lamp L3, the coil of described relay K 9 is connected between the relay common terminal R1C of described the 3rd frequency converter B P3 and the negative pole 24V-of 24V power supply, and one group of open contact of described relay K 9 is connected between the C phase line C1 after one group of open contact of contactless switch KM0 and the zero line N after circuit breaker Q F0 after connecting with described the 3rd frequency converter failure indicator lamp L3;
As shown in Figure 9, described the 4th frequency converter failure warning circuit is made up of relay K 10 and the 4th frequency converter failure indicator lamp L4, the coil of described relay K 10 is connected between the relay common terminal R1C of described the 4th frequency converter B P4 and the negative pole 24V-of 24V power supply, and one group of open contact of described relay K 10 is connected between the C phase line C1 after one group of open contact of contactless switch KM0 and the zero line N after circuit breaker Q F0 after connecting with described the 4th frequency converter failure indicator lamp L4.
As shown in Figure 9, in the present embodiment, the utility model also comprises that operation prompting button SB9 reminds electric bell HA with operation, and described operation is connected between the C phase line C1 after one group of open contact of contactless switch KM0 and the zero line N after circuit breaker Q F0 after reminding button SB9 and moving prompting electric bell HA series connection.
When the utility model uses, first, extract mushroom head button Alarm, then, press power supply starter button SB0, the coil of contactless switch KM0 obtains electric, and power frequency supply is connected, and power light HL0 lights; Then, pull three select switch SA0, select outside single action or two kinds of mode of operations of overhead control interlock, under outside single action and two kinds of mode of operations of Master Control Room interlock, can carry out the operation of overhead control single action.
While being chosen as the mode of operation of outside single action, the coil of contactless switch KM13, the coil of contactless switch KM14, the coil of contactless switch KM15, the coil of the coil of contactless switch KM16 and contactless switch KM18 simultaneously electric, the open contact of contactless switch KM13, the open contact of contactless switch KM14, the open contact of contactless switch KM15, the open contact of the open contact of contactless switch KM16 and contactless switch KM18 is simultaneously closed, the normally closed contact of contactless switch KM18 disconnects, power frequency supply is directly 32 gantry crane power supplies, need to operate any platform gantry crane, just pass through switch S A4～SA35 corresponding to this gantry crane of operation at Master Control Room, the coil of gantry crane power supply control contactor KM17 is just connected, the open contact closure of gantry crane power supply control contactor KM17, outworker just can hoist and the single action control of traveling to corresponding gantry crane by operating and remote controlling transmitter 5-3, particularly, in the time that needs gantry crane rises, press the rising remote control buttons SB1 on remote-controlled transmitter 5-3, the coil invocation point of gantry crane rising control contactor KM1, the open contact closure of gantry crane rising control contactor KM1, gantry crane rises, in uphill process, gantry crane hook lifting motor overheating protection relay KH1 can realize the overheating protection of rising, unclamp after the rising remote control buttons SB1 on remote-controlled transmitter 5-3, gantry crane stops rising, in addition, lifting position-limit switch S Q1 can opposite house hang on rise carry out spacing, when gantry crane rises and touches after lifting position-limit switch S Q1, the coil losing electricity of gantry crane rising control contactor KM1, the open contact of gantry crane rising control contactor KM1 disconnects, gantry crane stops rising, in the time that needs gantry crane declines, press the decline remote control buttons SB2 on remote-controlled transmitter 5-3, the coil invocation point of gantry crane decline control contactor KM2, the open contact closure of gantry crane decline control contactor KM2, gantry crane declines, and in decline process, gantry crane hook lifting motor overheating protection relay KH1 can realize the overheating protection of decline, unclamp after the decline remote control buttons SB2 on remote-controlled transmitter 5-3, gantry crane stops declining, in the time that needs gantry crane advances, press the remote control buttons SB3 that advances on remote-controlled transmitter 5-3, the advance coil invocation point of control contactor KM3 of gantry crane, the advance open contact closure of control contactor KM3 of gantry crane, gantry crane advances, advance in process, gantry crane dolly running motor overheat protective relay KH2 can realize the overheating protection of advancing, unclamp advancing after remote control buttons SB3 on remote-controlled transmitter 5-3, gantry crane halts, in addition, advance limit switch SQ2 can to gantry crane advance carry out spacing, when advancing and touch, gantry crane advances after limit switch SQ2, the advance coil losing electricity of control contactor KM3 of gantry crane, gantry crane advance control contactor KM3 open contact disconnect, gantry crane halts, in the time that needs gantry crane retreats, press and retreat remote control buttons SB4 on remote-controlled transmitter 5-3, gantry crane retreats the coil invocation point of control contactor KM4, gantry crane retreats the open contact closure of control contactor KM4, gantry crane retreats, in fallback procedures, gantry crane dolly running motor overheat protective relay KH2 can realize the overheating protection retreating, unclamp retreating after remote control buttons SB4 on remote-controlled transmitter 5-3, gantry crane stops retreating, in addition, retreat limit switch SQ3 can to gantry crane retreat carry out spacing, when retreating and touch, gantry crane retreats after limit switch SQ3, gantry crane retreats the coil losing electricity of control contactor KM4, the open contact that gantry crane retreats control contactor KM4 disconnects, gantry crane stops retreating, when pressing after remote control stop button SB5, rising remote control buttons SB1, decline remote control buttons SB2, the remote control buttons of advancing SB3 and retreat remote control buttons SB4 power supply disconnect, all can not work.
While being chosen as the mode of operation of Master Control Room interlock, press the moving shift knob SB6 of tetrad, the coil of contactless switch KM5, the coil of contactless switch KM9, the coil of contactless switch KM6, the coil of contactless switch KM10, the coil of contactless switch KM7, the coil of contactless switch KM11, the coil of contactless switch KM8, the coil of the coil of contactless switch KM12 and contactless switch KM19 simultaneously electric, the open contact of contactless switch KM5, the open contact of contactless switch KM9, the open contact of contactless switch KM6, the open contact of contactless switch KM10, the open contact of contactless switch KM7, the open contact of contactless switch KM11, the open contact of contactless switch KM8, the open contact of the open contact of contactless switch KM12 and contactless switch KM19 is simultaneously closed, and the normally closed contact of contactless switch KM19 disconnects, the first frequency converter B P1, the second frequency converter B P2, the 3rd frequency converter B P3 and the 4th frequency converter B P4 connect with power frequency supply simultaneously and carry out after frequency conversion is 32 gantry crane power supplies, need to allow which gantry crane link, just pass through switch S A4～SA35 corresponding to which gantry crane of operation at Master Control Room, the coil of gantry crane power supply control contactor KM17 is just connected, the open contact closure of contactless switch KM17, operating personal just can hoist and control with the interlock of traveling corresponding gantry crane, particularly, first, operation dibit select switch SA2, selection hoists or traveling, when making the coil of relay 1K1～32K1, dibit select switch SA2 obtains when electric, for the operating mode that hoists, the open contact closure of relay 1K1～32K1, the coil invocation point of gantry crane rising control contactor KM1, the open contact closure of gantry crane rising control contactor KM1, gantry crane can rise or decline, when making the coil of relay 1K2～32K2, dibit select switch SA2 obtains when electric, for traveling operating mode, the open contact closure of relay 1K2～32K2, the advance coil invocation point of control contactor KM3 of gantry crane, the advance open contact closure of control contactor KM3 of gantry crane, gantry crane can advance or retreat, then, operation dibit select switch SA3, select high speed or low speed, obtaining when electric when dibit select switch SA3 makes the coil of relay K 4, is low speed, obtains when electric when dibit select switch SA3 makes the coil of relay K 5, for high speed, connect due to the coil of relay K 4 and one group of normally closed contact of relay K 5, the coil of relay K 5 is connected with one group of normally closed contact of relay K 4, therefore can also realize at a high speed the interlocking with low speed, finally, operation dibit select switch SA1, when hoisting under operating mode, selecting to rise or decline, when dibit select switch SA1 makes to rise or the coil of the control relay K1 that advances obtains when electric, is to rise, the coil that makes to decline or retreat control relay K2 as dibit select switch SA1 obtains when electric, is to decline, when under traveling operating mode, select advance or retreat, when dibit select switch SA1 makes to rise or the coil of the control relay K1 that advances obtains when electric, for advancing, when dibit select switch SA1 makes to decline or the coil that retreats control relay K2 obtains when electric, for retreating, owing to rising or the coil of the control relay K1 that advances and decline or one group of normally closed contact retreating control relay K2 are connected, the coil declining or retreat control relay K2 is connected with one group of normally closed contact of rising or the control relay K1 that advances, therefore can also realize rise and fall and advance and the interlocking retreating, in addition, operating switch SB7, can also make to control the frequency converter reset relay K6 resetting and connect, and realizes the reset control to the first frequency converter B P1, the second frequency converter B P2, the 3rd frequency converter B P3 and the 4th frequency converter B P4, in the time of the first frequency converter B P1 et out of order, the coil of relay K 7 obtains electric, the open contact closure of relay K 7, and the first frequency converter failure indicator lamp L1 lights, in the time of the second frequency converter B P2 et out of order, the coil of relay K 8 obtains electric, the open contact closure of relay K 8, and the second frequency converter failure indicator lamp L2 lights, when the 3rd frequency converter B P3 et out of order, the coil of relay K 9 obtains electric, the open contact closure of relay K 9, and the 3rd frequency converter failure indicator lamp L3 lights, when the 4th frequency converter B P4 et out of order, the coil of relay K 10 obtains electric, the open contact closure of relay K 10, and the 4th frequency converter failure indicator lamp L4 lights.
When the operation of overhead control single action, need to operate any platform gantry crane, just pass through operating switch SA4～SA35 at Master Control Room, controlling the coil of the gantry crane power supply control contactor KM17 of this gantry crane single action just connects, the open contact closure of gantry crane power supply control contactor KM17, staff just can carry out single action control to 32 gantry cranes, and the detailed process of each gantry crane single action control is identical while control with 32 gantry crane interlocks.
In addition, press operation at Master Control Room and remind button SB9, can also make operation remind electric bell HA to send sound, remind commanding and the operating personal will to carry out that gantry crane hoists or traveling.
By the normally closed contact of the normally closed contact of 1K1～32K1 relay and 1K2～32K2 relay is in series, and these two series circuits are connected in parallel in power supply starting circuit, traveling and the interlocking that hoists can also realize linkage status time, hoisting when occurring one, other gantry crane is in the time of this state of traveling, power supply can disconnect automatically, and whole circuit is not worked, and has realized the safe controllable operating of gantry crane.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.
Claims (7)
1. a railway's long rail group hangs frequency conversion remote control system, it is characterized in that: comprise Master Control Room frequency-changing control system and external remote control control system for many gantry cranes (7) are controlled, and be connected with power frequency supply (1) by power supply starting circuit (2) and for selecting the frequency conversion remote control select switch (3) of Master Control Room variable frequency control or external remote control, on every described gantry crane (7), be all connected with gantry crane control contactor group (6); described Master Control Room frequency-changing control system comprises converter power supply starter button (4-1) in parallel, Master Control Room single action master cock group (4-2) and operating mode variable frequency control switches set (4-3), and the Master Control Room being connected with described converter power supply starter button (4-1) interlock control contactor group (4-4) and for many gantry cranes (7) being carried out to one or more frequency converter (4-5) of variable frequency control, described converter power supply starter button (4-1), Master Control Room single action master cock group (4-2) is all connected with described frequency conversion remote control select switch (3) with operating mode variable frequency control switches set (4-3), described overhead control single action control button group (4-2) is connected with described gantry crane control contactor group (6), described Master Control Room interlock control contactor group (4-4) is all connected with described frequency converter (4-5) with gantry crane control contactor group (6), on every described frequency converter (4-5), be all connected with operating conditions relay group (4-6) and frequency converter failure warning circuit (4-9), described operating conditions relay group (4-6) is connected with described operating mode variable frequency control switches set (4-3), in described operating conditions relay group (4-6), be connected with lift control relay group (4-7) and traveling control relay group (4-8), described lift control relay group (4-7) is all connected with described gantry crane control contactor group (6) with traveling control relay group (4-8), described external remote control control system comprises remote control control contactor group (5-1), is arranged on the multiple receivers of remote-control sytem (5-2) on many gantry cranes (7) and distinguishes the corresponding multiple remote-controlled transmitters (5-3) that match with multiple described receivers of remote-control sytem (5-2) respectively, on each described remote-controlled transmitter (5-3), be provided with operating mode remote control control button group (5-4), described remote control control contactor group (5-1) is all connected with described frequency conversion remote control select switch (3) and gantry crane control contactor group (6).
2. hang frequency conversion remote control system according to railway's long rail group claimed in claim 1, it is characterized in that: the quantity of described gantry crane (7) is 32, the quantity of described frequency converter (4-5) be 4 and be respectively the first frequency converter B P1 for 1st～8 gantry cranes (7) are controlled, for the second frequency converter B P2 that 9th～17 gantry cranes (7) are controlled, for the 3rd frequency converter B P3 that 18th～25 gantry cranes (7) are controlled and the 4th frequency converter B P4 for 26th～32 gantry cranes (7) are controlled; The relay power terminals R1B of the relay power terminals R1B of described the first frequency converter B P1, the relay power terminals R1B of described the second frequency converter B P2, described the 3rd frequency converter B P3 and the relay power terminals R1B of described the 4th frequency converter B P4 all join with the anodal 24V+ of 24V power supply.
3. hang frequency conversion remote control system according to railway's long rail group claimed in claim 2, it is characterized in that: described frequency converter failure warning circuit (4-9) comprises the first frequency converter failure warning circuit being connected with the first frequency converter B P1, the second frequency converter failure warning circuit being connected with the second frequency converter B P2, the 3rd frequency converter failure warning circuit being connected with the 3rd frequency converter B P3 and the 4th frequency converter failure warning circuit being connected with the 4th frequency converter B P4.
4. hang frequency conversion remote control system according to railway's long rail group claimed in claim 2, it is characterized in that: comprise and join with described frequency conversion remote control select switch (3) and control for realizing Master Control Room interlock the interlocking control contactor group (8) interlocking with external remote control control.
5. hang frequency conversion remote control system according to railway's long rail group claimed in claim 4, it is characterized in that: described power supply starting circuit (2) comprises circuit breaker Q F0, air switch 1HK1, insurance FU1, insurance FU3, mushroom head button Alarm, power supply starter button SB0, contactless switch KM0 and power light HL0, one group of open contact of described circuit breaker Q F0 and contactless switch KM0 connect successively after with the A phase line A of power frequency supply (1), B phase line B, C phase line C and zero line NL join, described air switch 1HK1, after connecting successively, insurance FU1 and mushroom head button Alarm join with the A phase line A0 after circuit breaker Q F0, one end of described insurance FU3 joins with the A phase line A1 after one group of open contact of contactless switch KM0,
Described frequency conversion remote control select switch (3) is three select switch SA0, the other end of the common of described three select switch SA0 and described insurance FU3 joins, it is that contact is controlled in Master Control Room interlock that first of described three select switch SA0 select contact, it is Master Control Room single action control contact that second of described three select switch SA0 select contact, and it is remote control control contact that the 3rd of described three select switch SA0 select contact;
Described gantry crane control contactor group (6) comprises gantry crane power supply control contactor KM17, gantry crane rising control contactor KM1, gantry crane decline control contactor KM2, the gantry crane control contactor KM3 that advances, gantry crane retreats control contactor KM4, gantry crane hook lifting motor overheating protection relay KH1 and gantry crane dolly running motor overheat protective relay KH2, advance one end of one group of open contact of control contactor KM3 of one end of one group of open contact of described gantry crane rising control contactor KM1 and described gantry crane all joins with one end of one group of open contact of described gantry crane power supply control contactor KM17, the other end of one group of open contact of described gantry crane rising control contactor KM1 joins by coil and the gantry crane hook lifting motor M 1 of gantry crane hook lifting motor overheating protection relay KH1, the advance other end of one group of open contact of control contactor KM3 of described gantry crane joins by coil and the gantry crane dolly running motor M2 of gantry crane dolly running motor overheat protective relay KH2, one group of open contact of described gantry crane decline control contactor KM2 is in parallel with one group of open contact of described gantry crane rising control contactor KM1, advance one group of open contact of control contactor KM3 of one group of open contact that described gantry crane retreats control contactor KM4 and described gantry crane is in parallel,
Described converter power supply starter button (4-1) is the moving shift knob SB6 of tetrad, described Master Control Room single action master cock group (4-2) comprises and is respectively used to switch S A4～SA35 that 32 gantry cranes are controlled, described operating mode variable frequency control switches set (4-3) comprises the dibit select switch SA1 that rises or decline and advance or retreat for selecting, for selecting to hoist or the dibit select switch SA2 of traveling, for the switch S B7 that selects the dibit select switch SA3 of high speed or low speed and reset for frequency converter, described Master Control Room interlock control contactor group (4-4) comprises contactless switch KM5 and the KM9 for the first frequency converter B P1 is controlled, for contactless switch KM6 and KM10 that the second frequency converter B P2 is controlled, for contactless switch KM7 and KM11 that the 3rd frequency converter B P3 is controlled, and contactless switch KM8 and KM12 for the 4th frequency converter B P4 is controlled, described operating conditions relay group (4-6) comprises rising or the control relay K1 that advances, declines or retreat control relay K2, operating mode selective relay K3, low speed control relay K4, High-speed Control relay K 5 and frequency converter reset relay K6, described lift control relay group (4-7) comprises the relay 1K1～32K1 that is respectively used to 32 gantry cranes to carry out lift control, and described traveling control relay group (4-8) comprises the relay 1K2～32K2 that is respectively used to 32 gantry cranes to carry out traveling control, in described relay 1K2～32K2, one group of normally closed contact of each relay joins by one group of open contact of contactless switch KM0 and one end of power light HL0 after connecting successively, in described relay 1K1～3,2K1 one group of normally closed contact of each relay connect successively after the one end of coil by power supply starter button SB0 and contactless switch KM0 join, the other end of the coil of the other end of described power light HL0 and contactless switch KM0 all joins with the zero line N after circuit breaker Q F0, one group of normally closed contact of described relay 1K1 and one group of normally closed contact of described relay 1K2 all join with mushroom head button Alarm,
Described remote control control contactor group (5-1) comprises the contactless switch KM13 being switched on or switched off for controlling 1st～8 gantry cranes (7) and power frequency supply (1), be used for controlling the contactless switch KM14 that 9th～17 gantry cranes (7) and power frequency supply (1) are switched on or switched off, be used for controlling the contactless switch KM15 that 18th～25 gantry cranes (7) and power frequency supply (1) are switched on or switched off, and the contactless switch KM16 being switched on or switched off for controlling 26th～32 gantry cranes (7) and power frequency supply (1); Described operating mode remote control control button group (5-4) comprises rising remote control buttons SB1, decline remote control buttons SB2, the remote control buttons of advancing SB3, retreats remote control buttons SB4 and remote control stop button SB5;
Described interlocking control contactor group (8) comprises contactless switch KM18 and contactless switch KM19;
One end of the first switch in the moving shift knob SB6 of described tetrad, one end of second switch, one end of one end of the 3rd switch and the 4th switch all selects contact to join with first of described three select switch SA0, in the moving shift knob SB6 of described tetrad, the other end of the first switch joins with one end of coil of contactless switch KM5 and one end of the coil of contactless switch KM9 by one group of normally closed contact of contactless switch KM13, the other end of the coil of the other end of the coil of described contactless switch KM5 and contactless switch KM9 all joins with the zero line N after circuit breaker Q F0, the first switch in parallel in one group of open contact of described contactless switch KM5 and described shift knob SB6, in the moving shift knob SB6 of described tetrad, the other end of second switch joins with one end of coil of contactless switch KM6 and one end of the coil of contactless switch KM10 by one group of normally closed contact of contactless switch KM14, the other end of the coil of the other end of the coil of described contactless switch KM6 and contactless switch KM10 all joins with the zero line N after circuit breaker Q F0, and one group of open contact of described contactless switch KM6 is in parallel with second switch in described shift knob SB6, in the moving shift knob SB6 of described tetrad, the other end of the 3rd switch joins with one end of coil of contactless switch KM7 and one end of the coil of contactless switch KM11 by one group of normally closed contact of contactless switch KM15, the other end of the coil of the other end of the coil of described contactless switch KM7 and contactless switch KM11 all joins with the zero line N after circuit breaker Q F0, the 3rd switch in parallel in one group of open contact of described contactless switch KM7 and described shift knob SB6, in the moving shift knob SB6 of described tetrad, the other end of the 4th switch joins with one end of coil of contactless switch KM8 and one end of the coil of contactless switch KM12 by one group of normally closed contact of contactless switch KM16, the other end of the coil of the other end of the coil of described contactless switch KM8 and contactless switch KM12 all joins with the zero line N after circuit breaker Q F0, the 4th switch in parallel in one group of open contact of described contactless switch KM8 and described shift knob SB6, one end of one end of one group of open contact of described contactless switch KM9 and one group of open contact of contactless switch KM13 all with A phase line A1 after one group of open contact of contactless switch KM0, B phase line B1 and C phase line C1 join, the other end of one group of open contact of described contactless switch KM9 and the power inleting terminal of described the first frequency converter B P1 join, one end of the power outlet end of described the first frequency converter B P1 and one group of open contact of contactless switch KM5 joins, the other end of the other end of one group of open contact of described contactless switch KM5 and one group of open contact of contactless switch KM13 all joins with the other end of one group of open contact of the gantry crane power supply control contactor KM17 of 1st～8 gantry cranes, one end of one end of one group of open contact of described contactless switch KM10 and one group of open contact of contactless switch KM14 all with A phase line A1 after one group of open contact of contactless switch KM0, B phase line B1 and C phase line C1 join, the other end of one group of open contact of described contactless switch KM10 and the power inleting terminal of described the second frequency converter B P2 join, one end of the power outlet end of described the second frequency converter B P2 and one group of open contact of contactless switch KM6 joins, the other end of the other end of one group of open contact of described contactless switch KM6 and one group of open contact of contactless switch KM14 all joins with the other end of one group of open contact of the gantry crane power supply control contactor KM17 of 9th～16 gantry cranes, one end of one end of one group of open contact of described contactless switch KM11 and one group of open contact of contactless switch KM15 all with A phase line A1 after one group of open contact of contactless switch KM0, B phase line B1 and C phase line C1 join, the other end of one group of open contact of described contactless switch KM11 and the power inleting terminal of described the 3rd frequency converter B P3 join, one end of the power outlet end of described the 3rd frequency converter B P3 and one group of open contact of contactless switch KM7 joins, the other end of the other end of one group of open contact of described contactless switch KM7 and one group of open contact of contactless switch KM15 all joins with the other end of one group of open contact of the gantry crane power supply control contactor KM17 of 17th～24 gantry cranes, one end of one end of one group of open contact of described contactless switch KM12 and one group of open contact of contactless switch KM16 all with A phase line A1 after one group of open contact of contactless switch KM0, B phase line B1 and C phase line C1 join, the other end of one group of open contact of described contactless switch KM12 and the power inleting terminal of described the 4th frequency converter B P4 join, one end of the power outlet end of described the 4th frequency converter B P4 and one group of open contact of contactless switch KM8 joins, the other end of the other end of one group of open contact of described contactless switch KM8 and one group of open contact of contactless switch KM16 all joins with the other end of one group of open contact of the gantry crane power supply control contactor KM17 of 25th～32 gantry cranes,
The common of described dibit select switch SA1, the common of dibit select switch SA2, the common of dibit select switch SA3 and one end of switch S B7 all select contact to join with first of described three select switch SA0, first of described dibit select switch SA1 selects contact to join by the one end declining or retreat a group of normally closed contact and rising of control relay K2 or the coil of the control relay K1 that advances, one end that second of described dibit select switch SA1 selects one group normally closed contact and the decline of contact by the control relay K1 that rises or advance or retreats the coil of control relay K2 joins, in one end of the first selection contact of described dibit select switch SA2 and the coil of operating mode selective relay K3 and relay 1K1～32K1, one end of the coil of each relay joins, and second of described dibit select switch SA2 selects one end of the coil of each relay in contact and relay 1K2～32K2 to join, first of described dibit select switch SA3 selects contact to join by one end of one group of normally closed contact of High-speed Control relay K 5 and the coil of low speed control relay K4, and the second selection contact of described dibit select switch SA3 joins by one end of one group of normally closed contact of low speed control relay K4 and the coil of High-speed Control relay K 5, one end of the coil of the other end of described switch S B7 and frequency converter reset relay K6 joins, the other end of the coil of described rising or the control relay K1 that advances, decline or retreat the other end of the coil of control relay K2, the other end of the coil of operating mode selective relay K3, the other end of the coil of each relay in relay 1K1～32K1, the other end of the coil of each relay in relay 1K2～32K2, the other end of the coil of low speed control relay K4, the other end of the coil of the other end of the coil of High-speed Control relay K 5 and frequency converter reset relay K6 all joins with the zero line N after circuit breaker Q F0, the terminals LI1 that advances of described the first frequency converter B P1 joins by one group of open contact of the control relay K1 that rises or advance and the 24V supply terminals 24V of described the first frequency converter B P1, the terminals LI1 that advances of described the second frequency converter B P2 joins by one group of open contact of the control relay K1 that rises or advance and the 24V supply terminals 24V of described the second frequency converter B P2, the terminals LI1 that advances of described the 3rd frequency converter B P3 joins by one group of open contact of the control relay K1 that rises or advance and the 24V supply terminals 24V of described the 3rd frequency converter B P3, the terminals LI1 that advances of described the 4th frequency converter B P4 joins by one group of open contact of the control relay K1 that rises or advance and the 24V supply terminals 24V of described the 4th frequency converter B P4, described the first frequency converter B P1 retreats terminals LI2 by declining or retreating one group of open contact of control relay K2 and the 24V supply terminals 24V of described the first frequency converter B P1 joins, described the second frequency converter B P2 retreats terminals LI2 by declining or retreating one group of open contact of control relay K2 and the 24V supply terminals 24V of described the second frequency converter B P2 joins, described the 3rd frequency converter B P3 retreats terminals LI2 by declining or retreating one group of open contact of control relay K2 and the 24V supply terminals 24V of described the 3rd frequency converter B P3 joins, described the 4th frequency converter B P4 retreats terminals LI2 by declining or retreating one group of open contact of control relay K2 and the 24V supply terminals 24V of described the 4th frequency converter B P4 joins, the low speed terminals LI3 of described the first frequency converter B P1 joins by one group of open contact of low speed control relay K4 and the 24V supply terminals 24V of described the first frequency converter B P1, the low speed terminals LI3 of described the second frequency converter B P2 joins by one group of open contact of low speed control relay K4 and the 24V supply terminals 24V of described the second frequency converter B P2, the low speed terminals LI3 of described the 3rd frequency converter B P3 joins by one group of open contact of low speed control relay K4 and the 24V supply terminals 24V of described the 3rd frequency converter B P3, the low speed terminals LI3 of described the 4th frequency converter B P4 joins by one group of open contact of low speed control relay K4 and the 24V supply terminals 24V of described the 4th frequency converter B P4, the high speed terminals LI4 of described the first frequency converter B P1 joins by one group of open contact of High-speed Control relay K 5 and the 24V supply terminals 24V of described the first frequency converter B P1, the high speed terminals LI4 of described the second frequency converter B P2 joins by one group of open contact of High-speed Control relay K 5 and the 24V supply terminals 24V of described the second frequency converter B P2, the high speed terminals LI4 of described the 3rd frequency converter B P3 joins by one group of open contact of High-speed Control relay K 5 and the 24V supply terminals 24V of described the 3rd frequency converter B P3, the high speed terminals LI4 of described the 4th frequency converter B P4 joins by one group of open contact of High-speed Control relay K 5 and the 24V supply terminals 24V of described the 4th frequency converter B P4, the operating mode of described the first frequency converter B P1 selects terminals LI5 to join by one group of open contact of operating mode selective relay K3 and the 24V supply terminals 24V of described the first frequency converter B P1, the operating mode of described the second frequency converter B P2 selects terminals LI5 to join by one group of open contact of operating mode selective relay K3 and the 24V supply terminals 24V of described the second frequency converter B P2, the operating mode of described the 3rd frequency converter B P3 selects terminals LI5 to join by one group of open contact of operating mode selective relay K3 and the 24V supply terminals 24V of described the 3rd frequency converter B P3, the operating mode of described the 4th frequency converter B P4 selects terminals LI5 to join by one group of open contact of operating mode selective relay K3 and the 24V supply terminals 24V of described the 4th frequency converter B P4, the reset terminals LI6 of described the first frequency converter B P1 joins by one group of open contact of frequency converter reset relay K6 and the 24V supply terminals 24V of described the first frequency converter B P1, the reset terminals LI6 of described the second frequency converter B P2 joins by one group of open contact of frequency converter reset relay K6 and the 24V supply terminals 24V of described the second frequency converter B P2, the reset terminals LI6 of described the 3rd frequency converter B P3 joins by one group of open contact of frequency converter reset relay K6 and the 24V supply terminals 24V of described the 3rd frequency converter B P3, the reset terminals LI6 of described the 4th frequency converter B P4 joins by one group of open contact of frequency converter reset relay K6 and the 24V supply terminals 24V of described the 4th frequency converter B P4,
In described switch S A4～SA35, one end of each switch all selects contact to join with second of described three select switch SA0, in described switch S A4～SA35 the other end of each switch respectively in corresponding and 32 gantry crane power supply control contactor KM17 one end of the coil of each contactless switch join, in 32 gantry crane power supply control contactor KM17, the other end of the coil of each contactless switch all joins with the zero line N after circuit breaker Q F0;
One end of the coil of described contactless switch KM13, one end of the coil of contactless switch KM14, one end of the coil of one end of the coil of contactless switch KM15 and contactless switch KM16 is all by one group of normally closed contact of the mutual contactless switch KM5 connecting, one group of normally closed contact of contactless switch KM6, the 3rd of one group of normally closed contact of contactless switch KM7 and one group of normally closed contact of contactless switch KM8 and described three select switch SA0 select contact to join, the other end of the coil of described contactless switch KM13, the other end of the coil of contactless switch KM14, the other end of the coil of the other end of the coil of contactless switch KM15 and contactless switch KM16 all joins with the zero line N after circuit breaker Q F0, one end of one end of one group of open contact of described contactless switch KM18 and one group of open contact of described contactless switch KM19 all joins by one end of insurance FU2 and 36V source of AC, and in described relay 1K1～32K1, in one end of one group of open contact of each relay and described relay 1K2～32K2, one end of one group of open contact of each relay all joins with the other end of one group of open contact of described contactless switch KM19, the other end of one end of described remote control stop button SB5 and one group of open contact of described contactless switch KM18 joins, one end of described rising remote control buttons SB1, one end of decline remote control buttons SB2, one end of the remote control buttons of advancing SB3 all joins with the other end of described remote control stop button SB5 with the one end that retreats remote control buttons SB4, the other end of described rising remote control buttons SB1 is by one group of normally closed contact of intermediate relay KA, one group of normally closed contact of gantry crane decline control contactor KM2, lifting position-limit switch S Q1, one group of normally closed contact of the coil of gantry crane rising control contactor KM1 and gantry crane hook lifting motor overheating protection relay KH1 and the other end of 36V source of AC join, one group of normally closed contact of one group of normally closed contact of the one group normally closed contact of the other end of described decline remote control buttons SB2 by intermediate relay KA, gantry crane rising control contactor KM1, the coil of gantry crane decline control contactor KM2 and gantry crane hook lifting motor overheating protection relay KH1 and the other end of 36V source of AC join, the other end of the described remote control buttons SB3 that advances retreats advance one group of normally closed contact of the coil of control contactor KM3 and gantry crane dolly running motor overheat protective relay KH2 and the other end of 36V source of AC of one group of normally closed contact of control contactor KM4, the limit switch SQ2 that advances, gantry crane by one group of normally closed contact, gantry crane of intermediate relay KA and joins, the described other end that retreats remote control buttons SB4 by one group of normally closed contact, gantry crane of intermediate relay KA advance control contactor KM3 one group of normally closed contact, retreat that limit switch SQ3, gantry crane retreat one group of normally closed contact of the coil of control contactor KM4 and gantry crane dolly running motor overheat protective relay KH2 and the other end of 36V source of AC joins, the other end of one group of open contact of one end of the coil of described intermediate relay KA and described contactless switch KM19 joins, and the other end of the other end of the coil of described intermediate relay KA and 36V source of AC joins, in described relay 1K1～32K1, the other end of one group of open contact of each relay all joins with the coupling end of one group of normally closed contact of intermediate relay KA and one group of normally closed contact of gantry crane decline control contactor KM2, and all joins with the coupling end of one group of normally closed contact of intermediate relay KA and one group of normally closed contact of gantry crane rising control contactor KM1, in described relay 1K2～32K2, the other end of one group of open contact of each relay all joins with the coupling end that one group of normally closed contact of intermediate relay KA and gantry crane retreat one group of normally closed contact of control contactor KM4, and all joins with the advance coupling end of one group of normally closed contact of control contactor KM3 of one group of normally closed contact of intermediate relay KA and gantry crane,
First of one end of one group of normally closed contact of described contactless switch KM18 and described three select switch SA0 select contact to join, one end of the other end of one group of normally closed contact of described contactless switch KM18 and the coil of contactless switch KM19 joins, the 3rd of one end of one group of normally closed contact of described contactless switch KM19 and described three select switch SA0 select contact to join, one end of the other end of one group of normally closed contact of described contactless switch KM19 and the coil of contactless switch KM18 joins, the other end of the coil of the other end of the coil of described contactless switch KM19 and contactless switch KM18 all joins with the zero line N after circuit breaker Q F0.
6. hang frequency conversion remote control system according to railway's long rail group claimed in claim 5, it is characterized in that: described the first frequency converter failure warning circuit is made up of relay K 7 and the first frequency converter failure indicator lamp L1, the coil of described relay K 7 is connected between the relay common terminal R1C of described the first frequency converter B P1 and the negative pole 24V-of 24V power supply, and one group of open contact of described relay K 7 is connected between the C phase line C1 after one group of open contact of contactless switch KM0 and the zero line N after circuit breaker Q F0 after connecting with described the first frequency converter failure indicator lamp L1;
Described the second frequency converter failure warning circuit is made up of relay K 8 and the second frequency converter failure indicator lamp L2, the coil of described relay K 8 is connected between the relay common terminal R1C of described the second frequency converter B P2 and the negative pole 24V-of 24V power supply, and one group of open contact of described relay K 8 is connected between the C phase line C1 after one group of open contact of contactless switch KM0 and the zero line N after circuit breaker Q F0 after connecting with described the second frequency converter failure indicator lamp L2;
Described the 3rd frequency converter failure warning circuit is made up of relay K 9 and the 3rd frequency converter failure indicator lamp L3, the coil of described relay K 9 is connected between the relay common terminal R1C of described the 3rd frequency converter B P3 and the negative pole 24V-of 24V power supply, and one group of open contact of described relay K 9 is connected between the C phase line C1 after one group of open contact of contactless switch KM0 and the zero line N after circuit breaker Q F0 after connecting with described the 3rd frequency converter failure indicator lamp L3;
Described the 4th frequency converter failure warning circuit is made up of relay K 10 and the 4th frequency converter failure indicator lamp L4, the coil of described relay K 10 is connected between the relay common terminal R1C of described the 4th frequency converter B P4 and the negative pole 24V-of 24V power supply, and one group of open contact of described relay K 10 is connected between the C phase line C1 after one group of open contact of contactless switch KM0 and the zero line N after circuit breaker Q F0 after connecting with described the 4th frequency converter failure indicator lamp L4.
7. hang frequency conversion remote control system according to railway's long rail group claimed in claim 5, it is characterized in that: comprise that operation prompting button SB9 reminds electric bell HA with operation, described operation is connected between the C phase line C1 after one group of open contact of contactless switch KM0 and the zero line N after circuit breaker Q F0 after reminding button SB9 and moving prompting electric bell HA series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320785237.6U CN203682920U (en) | 2013-11-30 | 2013-11-30 | Frequency-conversion remote control system of crane for hoisting long railway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320785237.6U CN203682920U (en) | 2013-11-30 | 2013-11-30 | Frequency-conversion remote control system of crane for hoisting long railway |
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| CN203682920U true CN203682920U (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320785237.6U Expired - Lifetime CN203682920U (en) | 2013-11-30 | 2013-11-30 | Frequency-conversion remote control system of crane for hoisting long railway |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277948A (en) * | 2019-06-19 | 2019-09-24 | 重庆红岩建设机械制造有限责任公司 | A kind of bridge inspection car VF to WF control system and method |
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2013
- 2013-11-30 CN CN201320785237.6U patent/CN203682920U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110277948A (en) * | 2019-06-19 | 2019-09-24 | 重庆红岩建设机械制造有限责任公司 | A kind of bridge inspection car VF to WF control system and method |
| CN110277948B (en) * | 2019-06-19 | 2021-01-19 | 重庆红岩建设机械制造有限责任公司 | Bridge maintenance vehicle frequency conversion to power frequency control system and method |
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