CN201882791U

CN201882791U - Crane control circuit with multiple synchronous crown blocks

Info

Publication number: CN201882791U
Application number: CN2010206072674U
Authority: CN
Inventors: 汪艳会
Original assignee: Tianjin Hoisting Equipment Co Ltd
Current assignee: Tianjin Hoisting Equipment Co Ltd
Priority date: 2010-11-15
Filing date: 2010-11-15
Publication date: 2011-06-29
Anticipated expiration: 2020-11-15

Abstract

A crane control circuit with multiple synchronous crown blocks comprises N identical control circuits corresponding to the N crown blocks. The control circuit of each crown block comprises a transformer, a first relay, a second relay, a third relay, a fourth relay, a fifth relay, a sixth relay, a seventh relay, a limit switch, a limiter and a remote controller, wherein a 380V power source is connected to an input end of the transformer, an output end of a 48V power source of the transformer is respectively connected with a pin 3, a pin 12, a pin 18 and a pin 15 of a receiver of the remote controller, and an output end of a 220V power source of the transformer is connected with a power input end of the receiver of the remote controller. The crane control circuit meets the needs of assembly and overhaul of large-sized equipment and suspension of longer articles, can be respectively independently operated at ordinary times, meets the spatial requirement of a workshop, omits additional configuration, saves resources, simplifies the circuits, and also reduces the possibility of faults.

Description

The hoisting crane control circuit that many cars are synchronous

Technical field

The utility model relates to a kind of hoisting crane control circuit.Particularly relate to a kind of synchronous a kind of hoisting crane control circuit of many cars by the hoisting crane synchronous working of a remote controller control more than two ones or two ones.

Background technology

At present, most hoisting crane is the independent control of separate unit car, and the separate unit car is mainly the control of the three-dimensional of top to bottom, left and right, front and rear.The unit that long, the big workpiece of some liftings is arranged now can need to use two or the more common cooperating of overhead traveling crane to realize lifting purpose.But this demand adopts common torch door or driver's cab to control and realizes bringing very big difficulty, also can increase the needs that a lot of facilities satisfies this control.Therefore, need a kind ofly can control many coacting modes of overhead traveling crane simultaneously by a remote controller.

Summary of the invention

Technical problem to be solved in the utility model is that a kind of synchronous a kind of hoisting crane control circuit of many cars by the hoisting crane synchronous working of a remote controller control more than two ones or two ones is provided.

The technical scheme that the utility model adopted is: a kind of hoisting crane control circuit that a kind of many cars are synchronous, include N identical control circuit of corresponding N platform overhead traveling crane, N is the integer more than or equal to 2, the control circuit of each overhead traveling crane includes: voltage transformer, first to the 7th relay, limit switch and limiting device, the input termination 380V power supply of described voltage transformer, it is characterized in that, also be provided with remote controller, a mouth of the 48V power supply of described voltage transformer connects the pin 3 of remote controller receptor respectively, 12,18,15, another mouth of the 48V power supply of described voltage transformer connects an end of first to the 7th relay coil respectively, and the mouth of the 220V power supply of described voltage transformer connects the power input of remote controller receptor; The other end of described first relay coil connects the pin 4 of remote controller receptor; The other end of described second relay coil is by the normally closed point of the 3rd relay and the pin 13 of limit switch connection remote controller receptor, and the other end of described the 3rd relay coil is by the normally closed point of second relay and the pin 14 of limit switch connection remote controller receptor; The other end of described the 4th relay coil is by the normally closed point of the 5th relay and the pin 19 of limiting device connection remote controller receptor, the other end of described the 5th relay coil is by the normally closed point of the 4th relay and the pin 20 of limiting device connection remote controller receptor, the other end of described the 6th relay coil is by the pin 16 of the normally closed some connection remote controller receptor of the 7th relay, and the other end of described the 7th relay coil connects the pin 17 of remote controller receptor by the normally closed point of the 6th relay.

The projector of described remote controller and remote controller receptor are corresponding to be provided with N, one of them projector is to be used for the main projector controlling N platform overhead traveling crane simultaneously or only control cooresponding separate unit overhead traveling crane, and N-1 projector is for only being used to control the secondary projector of cooresponding separate unit overhead traveling crane.

The hoisting crane control circuit that many cars of the present utility model are synchronous adapts to the assembling and the maintenance of main equipment, or lifting can also work independently respectively at ordinary times than the needs of surplus spare.No matter be the inner electric elements of control housing, still exterior electric wire and set up the needed hardware measure of cable also has the space requirement of factory building, does not need to increase additional configuration.With respect to traditional mode, both saved resource, simplified circuit, also reduced the chance that fault takes place.Make the mode of remote controller control hoisting crane obtain more deeply, use widely, also made things convenient for the operation of operating personal.

Description of drawings

Fig. 1 is schematic circuit diagram of the present utility model;

Fig. 2 is a mode scheme drawing of the present utility model.

The specific embodiment

Below in conjunction with embodiment and accompanying drawing the synchronous a kind of hoisting crane control circuit of many cars of the present utility model is made a detailed description.

A kind of hoisting crane control circuit that many cars of the present utility model are synchronous is selected the above remote controller that satisfies certain relation of two covers, and it is the remote controller of HBC that present embodiment is selected model.Each cover of per car, in the above remote controller of two covers a cover for the master control remote controller, other be secondary control remote controller.When satisfying condition, the projector of master control remote controller not only can be controlled main receptor, also simultaneously can control companion receiver; The projector of secondary control remote controller then can only be controlled companion receiver.When working independently, but independent operation does not disturb mutually; When the needs synchronous working, the key on the secondary control remote controller emission coefficient is taken out in the insertion master control remote controller emission coefficient parallel operation key hole, and open, the master control remote controller can be realized two controls with the synchronous working of getting on the bus.

As shown in Figure 1, a kind of hoisting crane control circuit that many cars of the present utility model are synchronous, include N identical control circuit of corresponding N platform overhead traveling crane, N is the integer more than or equal to 2, the control circuit of each overhead traveling crane includes: voltage transformer T300, first to the 7th relay K 00, K31, K32, K21, K22, K41, K42, limit switch S31 and limiting device S220, the input termination 380V power supply of described voltage transformer T300, also be provided with remote controller, a mouth of the 48V power supply of described voltage transformer T300 connects the pin 3 of remote controller receptor YK31 respectively, 12,18,15, another mouth of the 48V power supply of described voltage transformer T300 connects first to the 7th relay K 00 respectively, K31, K32, K21, K22, K41, one end of K42 coil, the 220V power output end of described voltage transformer T300 connects the power input of remote controller receptor YK31; The other end of described first relay K, 00 coil connects the pin 4 of remote controller receptor YK31; The other end of described second relay K, 31 coils is by the normally closed point of the 3rd relay K 32 and the pin 13 of limit switch S31 connection remote controller receptor YK31, and the other end of described the 3rd relay K 32 coils is by the normally closed point of second relay K 31 and the pin 14 of limit switch S31 connection remote controller receptor YK31; The other end of described the 4th relay K 21 coils is by the normally closed point of the 5th relay K 22, and limiting device S220 connects the pin 19 of remote controller receptor YK31, the other end of described the 5th relay K 22 coils is by the normally closed point of the 4th relay K 21, and limiting device S220 connects the pin 20 of remote controller receptor YK31, the other end of described the 6th relay K 41 coils is by the pin 16 of the normally closed some connection remote controller receptor YK31 of the 7th relay K 42, and the other end of described the 7th relay K 42 coils connects the pin 17 of remote controller receptor YK31 by the normally closed point of the 6th relay K 41.

As shown in Figure 2, the projector of described remote controller and remote controller receptor are corresponding to be provided with N, one of them projector is to be used for the main projector controlling N platform overhead traveling crane simultaneously or only control cooresponding separate unit overhead traveling crane, and N-1 for only being used to control the secondary projector of cooresponding separate unit overhead traveling crane.

1 car is master remote controller control, and 2 cars, 3 cars are sub remote controller control, and the remote controller of 1 car and 2 cars, 3 cars is identical with being connected of the control system of common remote controller and overhead traveling crane respectively, as shown in fig. 1.During normal operation, the operator of 1,2,3 cars controls each self-corresponding overhead traveling crane respectively just as operation separate unit overhead traveling crane.When needs three car synchronous workings, key 2 on the secondary control remote controller emission coefficient of 2,3 cars, key 3 can be taken out, insert in 1 car owner's control remote controller emission coefficient parallel operation key hole, and open, 1 car owner's control remote controller button can be controlled 1,2,3 three cars simultaneously and worked simultaneously this moment.For example, press the rising button of 1 car remote controller this moment, then controls the contactless switch of 1,2,3 three cars and all connect, and 1,2,3 three cars rise simultaneously, and other moves similarly.

Claims

1. the synchronous a kind of hoisting crane control circuit of car more than a kind, include N identical control circuit of corresponding N platform overhead traveling crane, N is the integer more than or equal to 2, the control circuit of each overhead traveling crane includes: voltage transformer (T300), first to the 7th relay (K00, K31, K32, K21, K22, K41, K42), limit switch (S31) and limiting device (S220), the input termination 380V power supply of described voltage transformer (T300), it is characterized in that, also be provided with remote controller, a mouth of the 48V power supply of described voltage transformer (T300) connects the pin 3 of remote controller receptor (YK31) respectively, 12,18,15, another mouth of the 48V power supply of described voltage transformer (T300) connects first to the 7th relay (K00 respectively, K31, K32, K21, K22, K41, K42) end of coil, the mouth of the 220V power supply of described voltage transformer (T300) connects the power input of remote controller receptor (YK31); The other end of described first relay (K00) coil connects the pin 4 of remote controller receptor (YK31); The other end of described second relay (K31) coil is by the normally closed point of the 3rd relay (K32) and the pin 13 of limit switch (S31) connection remote controller receptor (YK31), and the other end of described the 3rd relay (K32) coil is by the normally closed point of second relay (K31) and the pin 14 of limit switch (S31) connection remote controller receptor (YK31); The other end of described the 4th relay (K21) coil is by the normally closed point of the 5th relay (K22), and limiting device (S220) connects the pin 19 of remote controller receptor (YK31), the other end of described the 5th relay (K22) coil is by the normally closed point of the 4th relay (K21), and limiting device (S220) connects the pin 20 of remote controller receptor (YK31), the other end of described the 6th relay (K41) coil is by the pin 16 of the normally closed some connection remote controller receptor (YK31) of the 7th relay (K42), and the other end of described the 7th relay (K42) coil connects the pin 17 of remote controller receptor (YK31) by the normally closed point of the 6th relay (K41).

2. a kind of hoisting crane control circuit that many cars according to claim 1 are synchronous, it is characterized in that, the projector of described remote controller and remote controller receptor are corresponding to be provided with N, one of them projector is to be used for the main projector controlling N platform overhead traveling crane simultaneously or only control cooresponding separate unit overhead traveling crane, and N-1 projector is for only being used to control the secondary projector of cooresponding separate unit overhead traveling crane.