CN204185139U - A kind of hoisting crane auto-breaking triggers speed regulation device - Google Patents
A kind of hoisting crane auto-breaking triggers speed regulation device Download PDFInfo
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- CN204185139U CN204185139U CN201420516397.5U CN201420516397U CN204185139U CN 204185139 U CN204185139 U CN 204185139U CN 201420516397 U CN201420516397 U CN 201420516397U CN 204185139 U CN204185139 U CN 204185139U
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Abstract
The utility model discloses a kind of hoisting crane auto-breaking and triggers speed regulation device, comprises input control module, power module and output module, also comprises power-off and triggers speed adjusting module, and input control module electrical connection power-off triggers speed adjusting module; Power-off triggers speed adjusting module and includes power supply port, this power supply port electric connection of power supply module, also comprise the malfunction monitoring module that connects successively with chain triggering mode and some can the trigger module of delay cut-off; Output module is electrically connected above-mentioned trigger module and malfunction monitoring module.Hoisting crane auto-breaking of the present utility model is triggered speed regulation device and adopts the chain control of some intermediate relays, realize intermediate relay trigger action successively, at intermediate relay coil two ends parallel capacitance, under device is operated in safety voltage, switch contact is few, workflow is brief, trigger electric machine speed regulation work after automatically time-delay power-off.
Description
Technical field
The utility model relates to a kind of speed-regulating control device for motor, is specifically related to a kind of hoisting crane auto-breaking and triggers speed regulation device.
Background technology
Industrial and mining enterprises use bridge grabbing crane to pile up solid materials such as ore, breeze, powder shape chemical products, coals in a large number, transport, entrucking operation, current domestic crane hoisting motor contactless switch controls, mainly use master controller, multiple time relay to coordinate the contact of contactless switch, intermediate relay and current relay to carry out complicated connection, carry out trigging control by relay, thyristor and realize rheostatic control.
Because most hoisting crane is all use under, the harsh environment such as aggressive fume is many, air humidity is large very large at environment dust, the switch contact fault that hoisting crane triggers speed regulation device in operational process is more, workflow is long, and there is certain chain reaction (component wear, package unit lost efficacy), speed governing system fluctuation of service; When triggering speed regulation device is abnormal, hoisting crane can not chainly be shut down, and causing trouble expands; Triggering speed regulation device is that on-delay triggers, and flip flop equipment is in the mode of operation that is energized for a long time, often triggers unsuccessfully because voltage fluctuation causes under the power supply modes such as conventional trolley; Working power is 380V alternating current, and when maintenance, detection, danger is very large, there is great potential safety hazard.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency, provide a kind of be operated in safety voltage under, switch contact is few, workflow is brief, trigger the crane speed regulating device of electric machine speed regulation work after auto-breaking.
For reaching the object of above-mentioned utility model, the utility model is achieved through the following technical solutions:
A kind of hoisting crane auto-breaking of the present utility model triggers speed regulation device, comprises input control module, power module, output module and power-off and triggers speed adjusting module, and input control module electrical connection power-off triggers speed adjusting module; Power-off triggers speed adjusting module and includes power supply port, this power supply port electric connection of power supply module, also comprise the malfunction monitoring module that connects successively with chain triggering mode and some can the trigger module of delay cut-off; Output module is electrically connected above-mentioned trigger module and malfunction monitoring module.
Described power-off triggers speed adjusting module and comprises the first trigger module, the second trigger module, the 3rd trigger module and malfunction monitoring module, and connection mode and the concrete structure of above-mentioned each module describe as follows:
Described power-off triggers speed adjusting module and comprises the first trigger module, the second trigger module and the 3rd trigger module; First trigger module, the second trigger module and the 3rd trigger module all with malfunction monitoring module at one end concurrent; First trigger module comprises the first trigger switch, and the second trigger module comprises the second trigger switch, and the 3rd trigger module comprises the 3rd trigger switch; The at one end concurrent electrical connection of this first trigger switch, the second trigger switch and the 3rd trigger switch, the other end of the first trigger switch is electrically connected with the second trigger module other end, the other end of the second trigger switch is electrically connected with the 3rd trigger module other end, the other end of the 3rd trigger switch is electrically connected with the other end of malfunction monitoring module, and the chain triggering that aforesaid way realizes trigger module and malfunction monitoring module connects.
Described first trigger switch is a pair open contact of the first intermediate relay, and the second trigger switch is a pair open contact of the second intermediate relay, and the 3rd trigger switch is a pair open contact of the 3rd intermediate relay.Described power supply port access voltage is the safety voltage of 24V.
Described 4th intermediate relay comprises a pair open contact, and this is serially connected on a branch road of input control signal port open contact.The setting of this open contact can to power on fault self-checking function by implement device, and the 4th intermediate relay can carry out breakdown signal and export and failure locking control, avoids equipment belt failure operation, and prevents the further expansion of fault coverage.
This speed regulation device needs to export corresponding signal after startup and the operation that powers on, for the running state of operating personal judgment means, increase visualization model on the apparatus, described visualization model comprises the first light-emitting diode, the second light-emitting diode, the 3rd light-emitting diode and the 4th light-emitting diode for this reason; The coil two ends of the first intermediate relay are in parallel with the first light-emitting diode being in series with the first secondary resistance; The coil two ends of the second intermediate relay are in parallel with the second light-emitting diode being in series with second subprime resistance; The coil two ends of the 3rd intermediate relay are in parallel with the 3rd light-emitting diode being in series with third time level resistance; Malfunction monitoring module also comprises the 4th light-emitting diode, and the coil two ends of the 4th intermediate relay are in parallel with the 4th light-emitting diode being in series with the 4th resistance.
Described output module comprises the first signal output part, secondary signal mouth, the 3rd signal output part and failure locking mouth, above-mentioned first signal output part receives the energizing signal of the first trigger module, secondary signal mouth receives the energizing signal of the second trigger module, the energizing signal of the 3rd Signal reception the 3rd trigger module, failure locking mouth receives the failure locking signal of malfunction monitoring module.
Compared with prior art, the utility model tool has the following advantages:
A kind of hoisting crane auto-breaking speed regulation device of the present utility model adopts the structure of the chain control of some intermediate relays, realize the trigger action successively of intermediate relay, and at each intermediate relay coil two ends parallel capacitance, play the effect that intermediate relay time delay disconnects.Adopt the speed governing of power-off trigging control, triggering speed regulation device when hoisting crane normally runs does not need energising, and fundamentally avoiding the voltage fluctuations such as slide wire power supply affects the stoppage in transit of speed regulation device, greatly improves flip flop equipment serviceability.
Accompanying drawing explanation
Fig. 1 is the schematic circuit diagram of a kind of hoisting crane auto-breaking speed regulation device of the present utility model.
Fig. 2 is the workflow diagram of a kind of hoisting crane auto-breaking speed regulation device of the present utility model.
Detailed description of the invention
Be clearly and completely described the technical scheme in the utility model embodiment below in conjunction with drawings and Examples, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.
Refer to Fig. 1 and Fig. 2 to be convenient to clearlyer understand the concrete structure of the present embodiment and electrical principle, Fig. 1 is the schematic circuit diagram of hoisting crane auto-breaking speed regulation device embodiment of the present utility model, and Fig. 2 is the workflow diagram of hoisting crane auto-breaking speed regulation device embodiment of the present utility model.
The hoisting crane auto-breaking speed regulation device of the present embodiment, as shown in Figure 1, comprises input control module 100, output module 200, power-off triggering speed adjusting module 300, power module 400 and visualization model 500.Input control module 100 has external signal input terminals 101, and input control module 100 and power-off trigger speed adjusting module 300 and be electrically connected, and input control module 100, according to the external control signal received, makes power-off trigger speed adjusting module 300 and works on power; Power-off triggers speed adjusting module 300 and comprises power supply port 310, first trigger module 301, second trigger module 302, the 3rd trigger module 303 and malfunction monitoring module 304; Output module 200 has 4 mouths, is the first signal output part 201, secondary signal mouth 203, the 3rd signal output part 205 and failure locking mouth 207 respectively.Output module 200 is electrically connected power-off and triggers speed adjusting module 300, and exports the status signal of each trigger module 301,302,303 and malfunction monitoring module 304.Power module 400 is electrically connected the supply module 310 that power-off triggers speed adjusting module 300.
Adopt in this programme and at least there are two groups often drive/the intermediate relay of normally closed contact.
First trigger module 301 of described power-off triggering speed adjusting module 300 also comprises the first switch 305, second trigger module 302 and includes second switch 306, and the 3rd trigger module 303 comprises the 3rd switch 307.
Described first trigger module 301 includes the first intermediate relay KA1, the first electric capacity C1, and loop A, the B two ends of the first intermediate relay KA1 are in parallel with the first electric capacity C1 being in series with the first resistance R1; According to visual needs, can also at the loop A of the first intermediate relay KA1, B two ends and to be in series with the first light-emitting diode V1 of the first secondary resistance R11 in parallel;
Same, second trigger module 302 also includes the second intermediate relay KA2 and the second electric capacity C2, the one end at the coil two ends of the second intermediate relay KA2 and the coil B of the first intermediate relay KA1 hold concurrent, and other end D connects one end of first trigger switch 305 of the first intermediate relay KA1; Coil two ends D, B of second intermediate relay KA2 are in parallel with the second electric capacity C2 being in series with the second resistance R2; Same according to visual needs, coil two ends D, B are in parallel with the second light-emitting diode V2 being in series with second subprime resistance R21;
Same, 3rd trigger module 302 also includes the 3rd intermediate relay KA3 and the 3rd electric capacity C3, the one end at the coil two ends of the 3rd intermediate relay KA3 and the coil B of the first intermediate relay KA1 hold concurrent, another E holds one end of second trigger switch 305 of connection second intermediate relay KA2, and coil two ends E, B of the 3rd intermediate relay KA3 are in parallel with the 3rd electric capacity C3 being in series with the 3rd resistance R3; Same according to visual needs, coil two ends E, B of the 3rd intermediate relay KA3 are in parallel with the 3rd light-emitting diode V3 being in series with resistance R31;
Malfunction monitoring module 304 includes the 4th intermediate relay KA4, and the one end at the coil two ends of the 4th intermediate relay KA4 and the coil B of the first intermediate relay KA1 hold concurrent, and another F holds the one end of the second trigger switch 305 connecting intermediate relay KA3; Same according to visual needs, coil two ends F, B of the 4th intermediate relay KA4 are in parallel with the 4th light-emitting diode V3 being in series with resistance R31.
Described hoisting crane auto-breaking speed regulation device also includes visualization model 500, this visualization model 500 comprises above-mentioned the first light-emitting diode V1, the second light-emitting diode V2, the 3rd light-emitting diode V3 and the 4th light-emitting diode V4 that are connected in parallel on four intermediate relay two ends, and the first secondary resistance R11 connected with above-mentioned light-emitting diode respectively, second subprime resistance R21, for the third time level resistance R31 and the 4th secondary resistance R41.
Power-off triggers A, C end electrical connection input control module 100 in speed adjusting module 300 circuit, the port 310 of B, C end electrical connection power supply simultaneously, power supply port 310 external source module 400, power module 400 provides the safe operating voltage of 24V for power-off triggers speed adjusting module 300, according to the needs of circuit, power module 400 can input the direct current power source voltage of other sizes.
Another free end concurrent of first trigger switch 305, second trigger switch 306 and the 3rd trigger switch 307 is at C port, and the first trigger switch 305 is first open contacts of the first intermediate relay KA1, second trigger switch 306 is first open contacts of the second intermediate relay KA2,3rd trigger switch 307 is first open contacts of the 3rd intermediate relay KA3, the coil two ends energising of the first intermediate relay KA1, the second intermediate relay KA2, the second intermediate relay KA3, then the open contact of corresponding intermediate relay closes.
Export and the first signal output part 201 of visualization model 200 connects the first intermediate relay KA1 another to normally closed contact two ends, secondary signal mouth 203 connect the second intermediate relay KA2 another to normally closed contact two ends, 3rd signal output part 205 connect the 3rd intermediate relay KA3 another to normally closed contact two ends, failure locking mouth 207 connect the 4th intermediate relay KA4 another to open contact two ends, this open contact is serially connected on a branch road of input control signal port 101.
Below in conjunction with the workflow diagram of the auto-breaking speed regulation device of Fig. 2, and the schematic circuit diagram of the auto-breaking speed regulation device of Fig. 1, the principle of work of this device is described.
The power supply port 310 that power-off triggers speed adjusting module 300 accesses external power supply, and this external power supply provides safe operating voltage, adopts the safe operating voltage of 24V in the present embodiment.
Just start, device has individual process of self-test as follows: the 4th intermediate relay KA4 of malfunction monitoring module 304 is in closure state, then the open contact of the 4th intermediate relay KA4 is in closure state, input control signal port 101 circuit communication; If power-off triggers speed adjusting module work mal, intermediate relay KA4 is in off-state, then the open contact of intermediate relay KA4 is in off-state, and the loop of input control signal port 101 disconnects.
Power-off is triggered speed adjusting module 300 and is powered by power supply port 310, B and C is held charged all the time, if during self-inspection mal, then device is in chain stopped status, if when self-inspection is normal, A end keeps the charged of a period of time, and now the first intermediate relay KA1 obtains electric adhesive, corresponding first trigger switch 305 is closed makes D end band electricity, and the open contact that the first mouth 201 connects simultaneously closes; Because port D and port B is charged, make the second intermediate relay KA2 obtain electric adhesive, then now the second trigger switch 306 is closed makes E end band electricity, and the open contact that the second mouth 203 connects simultaneously closes; Because port E and B is charged, make the 3rd intermediate relay KA3 obtain electric adhesive, then now the 3rd trigger switch 307 is closed makes F end band electricity, and the open contact that the 3rd mouth 205 connects simultaneously closes; Because port F and B is charged, make the 4th intermediate relay KA4 obtain electric adhesive, the open contacts that now failure locking output 207 connects close, the loop unlocking of input control signal port 101.
Each intermediate relay KA1-KA3 two ends are all in parallel electric capacity, while the first intermediate relay KA1, the second intermediate relay KA2 and the 3rd intermediate relay KA3 two ends are charged successively, the first electric capacity C1, the second electric capacity C2 and the 3rd electric capacity C3 charge successively.Detected by input control module 100 and judged whether that external control signal inputs, if receive external control signal, the A end controlled by input control module 100, switch to not charged after keeping electrification time to terminate, first electric capacity C1 electric discharge made for the first intermediate relay KA1 short time keep charged, after the first electric capacity C1 discharges completely, the first intermediate relay KA1 disconnects all open contacts, namely the first trigger switch 305 disconnect and the first mouth 201 connect normally closed contact and also close; Same principle, after first trigger switch 305 disconnects, because the continuation electric discharge of the second electric capacity C2 makes the second intermediate relay KA2 postpone power-off, after the second intermediate relay KA2 power-off, second trigger switch 306 disconnects, the second mouth 203 connect normally closed contact close; Second trigger switch 306 disconnect after, due to the 3rd electric capacity C3 continuation electric discharge make the 3rd intermediate relay KA3 postpone power-off, after the 3rd intermediate relay KA3 power-off, the 3rd trigger switch 307 disconnects, the 3rd mouth 205 connect normally closed contact close; After 3rd switch 307 disconnects, the 4th intermediate relay KA4 power-off at once, simultaneous faults locking exports 207 contact points and disconnects.First intermediate relay KA1, the second intermediate relay KA2, the 3rd intermediate relay KA3 and the 4th intermediate relay KA4 normally work, then the light-emitting diode of respective corresponding parallel connection is lighted with the charged of intermediate relay or power-off or extinguish, and can judge the running condition of corresponding intermediate relay successively.
Described circuit realiration function is as follows: the first intermediate relay KA1 to the 4th intermediate relay KA4 successively electric, carry out simultaneously and trigger speed-adjusting start preparation, so power-off triggers speed adjusting module 300 and will obtain external control signal by input control module 100, then intermediate relay KA1-KA4 delay cut-off successively, trigger output signal is provided while intermediate relay KA1-KA4 power-off restoration, export 207 by the first mouth 201 of output module 200 to the 3rd mouth 205 and failure locking, be connected with crane control system and carry out speed control.
By the structure that hoisting crane auto-breaking speed regulation device of the present utility model adopts some intermediate relays to connect, realize the trigger action successively of intermediate relay, and at intermediate relay coil two ends parallel capacitance, play the effect making intermediate relay time delay disconnect.Greatly can improve the intuitive of the security and stability of energizing signal and maintenance, testing, and small investment, the transformation cycle is short, and structure is simple, easy to maintenance, and especially commonality is comparatively strong, and economic benefit is obvious, is highly suitable for promoting.
Above-described embodiment only in order to the utility model is described and and technical scheme described by unrestricted the utility model; Therefore, although this specification sheets has been described in detail the utility model with reference to each above-mentioned embodiment, those of ordinary skill in the art should be appreciated that and still can modify to the utility model or equivalent replacement; And all do not depart from technical scheme and the improvement thereof of spirit and scope of the present utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (9)
1. hoisting crane auto-breaking triggers a speed regulation device, comprises input control module, power module and output module, it is characterized in that: also comprise power-off and trigger speed adjusting module, and input control module electrical connection power-off triggers speed adjusting module; Power-off triggers speed adjusting module and includes power supply port, this power supply port electric connection of power supply module, also comprise the malfunction monitoring module that connects successively with chain triggering mode and some can the trigger module of delay cut-off; Output module is electrically connected above-mentioned trigger module and malfunction monitoring module.
2. hoisting crane auto-breaking according to claim 1 triggers speed regulation device, it is characterized in that: described power-off triggers speed adjusting module and comprises the first trigger module, the second trigger module and the 3rd trigger module; First trigger module, the second trigger module and the 3rd trigger module all with malfunction monitoring module at one end concurrent; First trigger module comprises the first trigger switch, and the second trigger module comprises the second trigger switch, and the 3rd trigger module comprises the 3rd trigger switch; The at one end concurrent electrical connection of this first trigger switch, the second trigger switch and the 3rd trigger switch, the other end of the first trigger switch is electrically connected with the second trigger module other end, the other end of the second trigger switch is electrically connected with the 3rd trigger module other end, the other end of the 3rd trigger switch is electrically connected with the other end of malfunction monitoring module, and the chain triggering that aforesaid way realizes trigger module and malfunction monitoring module connects.
3. hoisting crane auto-breaking according to claim 2 triggers speed regulation device, it is characterized in that: described first trigger module includes the first intermediate relay and the first electric capacity, coil two ends and first Capacitance parallel connection being in series with the first resistance of the first intermediate relay; Described second trigger module includes the second intermediate relay and the second electric capacity, coil two ends and second Capacitance parallel connection being in series with the second resistance of the second intermediate relay; Described 3rd trigger module includes the 3rd intermediate relay and the 3rd electric capacity, coil two ends and the 3rd Capacitance parallel connection being in series with the 3rd resistance of the 3rd intermediate relay; Malfunction monitoring module includes the 4th intermediate relay.
4. hoisting crane auto-breaking according to claim 3 triggers speed regulation device, and it is characterized in that: also comprise visualization model, described visualization model comprises the first light-emitting diode, the second light-emitting diode, the 3rd light-emitting diode and the 4th light-emitting diode; The coil two ends of the first intermediate relay are in parallel with the first light-emitting diode being in series with the first secondary resistance; The coil two ends of the second intermediate relay are in parallel with the second light-emitting diode being in series with second subprime resistance; The coil two ends of the 3rd intermediate relay are in parallel with the 3rd light-emitting diode being in series with third time level resistance; Malfunction monitoring module also comprises the 4th light-emitting diode, and the coil two ends of the 4th intermediate relay are in parallel with the 4th light-emitting diode being in series with the 4th resistance.
5. hoisting crane auto-breaking according to claim 2 triggers speed regulation device, it is characterized in that: described first trigger switch is a pair open contact of the first intermediate relay, second trigger switch is a pair open contact of the second intermediate relay, and the 3rd trigger switch is a pair open contact of the 3rd intermediate relay.
6. hoisting crane auto-breaking according to claim 1 triggers speed regulation device, it is characterized in that: described power supply port access voltage is the safety voltage of 24V or other sizes.
7. the hoisting crane auto-breaking according to claim 3 or 4 triggers speed regulation device, it is characterized in that: described 4th intermediate relay comprises a pair open contact, and this is serially connected on a branch road of input control signal port open contact.
8. hoisting crane auto-breaking according to claim 1 triggers speed regulation device, it is characterized in that: described output module comprises the first signal output part, secondary signal mouth, the 3rd signal output part and failure locking mouth, above-mentioned first signal output part receives the energizing signal of the first trigger module, secondary signal mouth receives the energizing signal of the second trigger module, 3rd signal output part receives the energizing signal of the 3rd trigger module, and failure locking mouth receives the failure locking signal of malfunction monitoring module.
9. hoisting crane auto-breaking according to claim 3 triggers speed regulation device, it is characterized in that: what described intermediate relay had two or more groups often opens/normally closed contact.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516397.5U CN204185139U (en) | 2014-09-09 | 2014-09-09 | A kind of hoisting crane auto-breaking triggers speed regulation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420516397.5U CN204185139U (en) | 2014-09-09 | 2014-09-09 | A kind of hoisting crane auto-breaking triggers speed regulation device |
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| CN204185139U true CN204185139U (en) | 2015-03-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764689A (en) * | 2016-12-28 | 2017-05-31 | 刘庆明 | Piler failure lighting device and piler |
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2014
- 2014-09-09 CN CN201420516397.5U patent/CN204185139U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764689A (en) * | 2016-12-28 | 2017-05-31 | 刘庆明 | Piler failure lighting device and piler |
| CN106764689B (en) * | 2016-12-28 | 2023-06-23 | 陕西中烟工业有限责任公司 | Stacker trouble lighting device and stacker |
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