CN205023750U - Hoist automatic safety device - Google Patents
Hoist automatic safety device Download PDFInfo
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- CN205023750U CN205023750U CN201520629172.5U CN201520629172U CN205023750U CN 205023750 U CN205023750 U CN 205023750U CN 201520629172 U CN201520629172 U CN 201520629172U CN 205023750 U CN205023750 U CN 205023750U
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- auxiliary contact
- master file
- detect circuit
- motor
- trouble detect
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Abstract
The utility model relates to a hoist control system discloses a hoist automatic safety device. The device includes crane control system, the electric brake circuit breaker, the automatic protection controller, the fault relay, the no -voltage release, failure detector circuit A, failure detector circuit B, failure detector circuit C, failure detector circuit A assists the contact including the 1# who sets up on master file bi -motor contactor, failure detector circuit B assists the contact including the 2# who sets up on no. 1 motor contactor of master file, failure detector circuit C assists the contact including the 3# who sets up on no. 2 motor contactors of master file, the automatic protection controller is connected with crane control system, the automatic protection controller is connected with the fault relay, the fault relay is connected with the no -voltage release, the no -voltage release sets up on the electric brake circuit breaker, be connected with alarm mechanism on the automatic protection controller. It can in time be reported to the police and control the hoist band -type brake and stop transport, effectively prevents the operation of crane master file motor list motor.
Description
Technical field
The utility model relates to crane control system, especially a kind of hoisting crane automatic safety device.
Background technology
Hoisting crane, also known as crane, is conventional hoisting and transporting tool, and at harbour, all there is utilization in workshop, electric power, Deng Ge field, building site, and it is also important haulage equipment at metallurgy industry.
Certain steelworks has the metallurgical lifting crane of 3 360T to be manufactured and designed by Taiyuan heavy industry Co., Ltd, be responsible for the handling of steelworks hot-metal bottle, 2 motors are provided with in master file lift controlling system, its rotor voltage feeds back signal to the U.S. permanent voltage regulator for motor stator in Dalian as rising or falling speed, form closed loop control system, but the rotor feedback voltage of 2 motors can only select 1 conduct to feed back signal to regulator (manually selecting), and other 1 feedback is as subsequent use.Therefore when the motor that feedback for subsequent use is corresponding goes wrong, (as: master file lifting runs and controls by forward and reverse contactless switch commutation, crane frequently commutates in process of production, probe of contactor must be caused to close bad, thus open-phase fault) time, normal motor is still to regulator feedback normal signal, cause crane master file list motor machine to run, long-play will cause burn-down of electric motor, there is the hidden danger that heavy tank glides.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of hoisting crane automatic safety device, and this device can effectively prevent crane master file motor list motor from running.
Crane automatic safety device disclosed in the utility model, comprise overhead crane control system, electric brake circuit breaker, automatic protecting controller, fault relay, no-voltage release, trouble detect circuit A, trouble detect circuit B, trouble detect circuit C, described overhead crane control system respectively with master file double-motor contactless switch, master file No. 1 motor contactless switch and master file No. 2 motor contactless switchs are connected, described trouble detect circuit A comprises the auxiliary contact of 1# be arranged on master file double-motor contactless switch, described trouble detect circuit B comprises the auxiliary contact of 2# be arranged on master file No. 1 motor contactless switch, described trouble detect circuit C comprises the auxiliary contact of 3# be arranged on master file No. 2 motor contactless switchs, the auxiliary contact of described 1#, the auxiliary contact of 2#, the auxiliary contact of 3# is all connected with automatic protecting controller, described automatic protecting controller is connected with overhead crane control system, described automatic protecting controller is connected with fault relay, described fault relay is connected with no-voltage release, described no-voltage release is arranged on electric brake circuit breaker, described automatic protecting controller is connected with alarm mechanism.
Preferably, this crane automatic safety device comprises trouble detect circuit D, trouble detect circuit E and trouble detect circuit F, described overhead crane control system is the double-motor contactless switch for subsequent use with master file respectively, master file No. 1 motor contactless switch for subsequent use and master file No. 2 motor contactless switchs for subsequent use are connected, described trouble detect circuit D comprises the auxiliary contact of 4# be arranged on master file double-motor for subsequent use contactless switch, described trouble detect circuit E comprises the auxiliary contact of 5# be arranged on master file No. 1 motor contactless switch for subsequent use, described trouble detect circuit F comprises the auxiliary contact of 6# be arranged on master file No. 2 motor contactless switchs for subsequent use, the auxiliary contact of described 4#, the auxiliary contact of 5# is all connected with automatic protecting controller with the auxiliary contact of 6#.
Preferably, this crane automatic safety device comprises trouble detect circuit G, described trouble detect circuit G comprises the auxiliary contact of 7.1# be arranged on master file double-motor contactless switch, be arranged at the auxiliary contact of 7.2# on master file No. 1 motor contactless switch, be arranged at the auxiliary contact of 7.3# on master file No. 2 motor contactless switchs, be arranged at the auxiliary contact of 7.4# on master file double-motor for subsequent use contactless switch, be arranged at the auxiliary contact of 7.5# on master file No. 1 motor contactless switch for subsequent use, be arranged at the auxiliary contact of 7.6# on master file No. 2 motor contactless switchs for subsequent use, the auxiliary contact of described 7.1#, the auxiliary contact of 7.2#, the auxiliary contact of 7.3#, the auxiliary contact of 7.4#, the auxiliary contact of 7.5#, the auxiliary contact of 7.6# is all connected with automatic protecting controller.
Preferably; this crane automatic safety device comprises trouble detect circuit H; described overhead crane control system is connected with braking contactor 18, and described trouble detect circuit H comprises the auxiliary contact of the 8# be arranged on braking contactor, and the auxiliary contact of described 8# is connected with automatic protecting controller.
Preferably, this crane automatic safety device comprises trouble detect circuit I, described overhead crane control system and electric brake contactless switch 19, and described trouble detect circuit I comprises the auxiliary contact of 9# be arranged on electric brake contactless switch, and the auxiliary contact of described 9# is connected with automatic protecting controller.
Preferably; this crane automatic safety device comprises trouble detect circuit J; described trouble detect circuit J comprises the drg proximity switch be arranged on crane brake and the auxiliary contact of 10# be arranged on drg proximity switch, and the auxiliary contact of described 10# is connected with automatic protecting controller.
Preferably; described automatic protecting controller is connected with fault-indicating lamp a, b, c, d, f, g, h, i, j, fault-indicating lamp a, b, c, d, f, g, h, i, j are arranged with trouble detect circuit A, B, C, D, E, F, G, H, I, J one_to_one corresponding respectively.
The beneficial effects of the utility model are: this hoisting crane automatic safety device receives the model of the auxiliary contact be arranged on motor contactless switch by automatic protecting controller; the normal operation thus whether detection motor is energized; if detect abnormal damp by automatic protecting controller output signal; no-voltage release action is controlled by fault relay; electric brake dead electricity band-type brake, hoisting crane is out of service.
Accompanying drawing explanation
Fig. 1 is constructional drawing of the present utility model.
Reference numeral: 1-automatic protecting controller, 2-overhead crane control system, 3-fault relay; 4-no-voltage release phase, 5-electric brake circuit breaker, 6-alarm mechanism; 10-drg proximity switch, 11-master file double-motor contactless switch, 12-master file No. 1 motor contactless switch; 13-master file No. 2 motor contactless switchs; 14-master file double-motor contactless switch for subsequent use, 15-master file No. 1 motor contactless switch for subsequent use, 16-master file No. 2 motor contactless switchs for subsequent use; 18-braking contactor, 19-electric brake contactless switch.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further illustrated.
As shown in Figure 1, crane automatic safety device disclosed in the utility model, comprise overhead crane control system 2, electric brake circuit breaker 5, automatic protecting controller 1, fault relay 3, no-voltage release 4, trouble detect circuit A, trouble detect circuit B, trouble detect circuit C, described overhead crane control system 2 respectively with master file double-motor contactless switch 11, master file No. 1 motor contactless switch 12 and master file No. 2 motor contactless switchs 13 are connected, described trouble detect circuit A comprises the auxiliary contact of 1# be arranged on master file double-motor contactless switch 11, described trouble detect circuit B comprises the auxiliary contact of 2# be arranged on master file No. 1 motor contactless switch 12, described trouble detect circuit C comprises the auxiliary contact of 3# be arranged on master file No. 2 motor contactless switchs 13, the auxiliary contact of described 1#, the auxiliary contact of 2#, the auxiliary contact of 3# is all connected with automatic protecting controller 1, described automatic protecting controller 1 is connected with overhead crane control system 2, described automatic protecting controller 1 is connected with fault relay 3, described fault relay 3 and no-voltage release phase 4 are connected, described no-voltage release 4 is arranged on electric brake circuit breaker 5, described automatic protecting controller 1 is connected with alarm mechanism 6.
Its working process is as follows:
For trouble detect circuit A, while overhead crane control system 2 exports master file double-motor action command, signal is sent to automatic protecting controller 1, if (be generally 2.5s) within a certain period of time, automatic protecting controller 1 detects master file double-motor contactless switch 11 access failure by the auxiliary contact of 1#, then to fault relay 3 output signal, control no-voltage release 4 action, force electric brake circuit breaker 5 power-off, crane brake dead electricity band-type brake, master file is out of service, meanwhile automatic protecting controller 1 also controls alarm mechanism 6 and reports to the police, usual alarm mechanism 6 can adopt buzzer siren, alert lamp etc.In like manner, in trouble detect circuit B, when overhead crane control system 2 controls after order that master file No. 1 motor runs sends, whether automatic protecting controller 1 detects master file No. 1 motor contactless switch 12 by the auxiliary contact of 2# and connects, if access failure, while alarm mechanism 6 is reported to the police, make electric brake circuit breaker 5 power-off by no-voltage release 4, hoisting crane band-type brake is out of service; Also undertaken by said process in same 3# fault detection.When service personnel inspection and after repairing fault, can to electric brake circuit breaker 5 again power transmission, and hand reset automatic safety device, restart lifting work.
In crane motor operating troubles; usual fault cause is contactless switch and opens fault; therefore above-mentioned crane automatic safety device is adopted; no matter master file No. 1 motor or No. 2 motors occur that fault opened by contactless switch all can detection alarm in time; and make main volume stop transport in time, thus effectively prevent single motor interruption of service from occurring.
Crane type is generally provided with master file hoisting system for subsequent use, it is the same with master file hoisting system, there is double-motor contactless switch, No. 1 motor contactless switch and No. 2 motor contactless switchs, to this, as optimal way, this crane automatic safety device comprises trouble detect circuit D, trouble detect circuit E and trouble detect circuit F, described overhead crane control system 2 is the double-motor contactless switch 14 for subsequent use with master file respectively, master file No. 1 motor contactless switch 15 for subsequent use and master file No. 2 motor contactless switchs 16 for subsequent use are connected, described trouble detect circuit D comprises the auxiliary contact of 4# be arranged on master file double-motor for subsequent use contactless switch 14, described trouble detect circuit E comprises the auxiliary contact of 5# be arranged on master file No. 1 motor contactless switch 15 for subsequent use, described trouble detect circuit F comprises the auxiliary contact of 6# be arranged on master file No. 2 motor contactless switchs 16 for subsequent use, the auxiliary contact of described 4#, the auxiliary contact of 5# is all connected with automatic protecting controller 1 with the auxiliary contact of 6#.Warning and the automatic principle protected of the fault of master file hoisting system for subsequent use are consistent with the master file hoisting system of above-mentioned operation with process, just repeat no more at this.
For detecting the given fault of crane control, as optimal way, this crane automatic safety device comprises trouble detect circuit G, described trouble detect circuit G comprises the auxiliary contact of 7.1# be arranged on master file double-motor contactless switch 11, be arranged at the auxiliary contact of 7.2# on master file No. 1 motor contactless switch 12, be arranged at the auxiliary contact of 7.3# on master file No. 2 motor contactless switchs 13, be arranged at the auxiliary contact of 7.4# on master file double-motor for subsequent use contactless switch 14, be arranged at the auxiliary contact of 7.5# on master file No. 1 motor contactless switch 15 for subsequent use, be arranged at the auxiliary contact of 7.6# on master file No. 2 motor contactless switchs 16 for subsequent use, the auxiliary contact of described 7.1#, the auxiliary contact of 7.2#, the auxiliary contact of 7.3#, the auxiliary contact of 7.4#, the auxiliary contact of 7.5#, the auxiliary contact of 7.6# is all connected with automatic protecting controller 1.
After control handle in overhead crane control system is given; control corresponding contactless switch and will connect work; and after handle back to zero; all motor contactless switchs all will disconnect; by the auxiliary contact of above-mentioned 7.1#, the auxiliary contact of 7.2#, the auxiliary contact of 7.3#, the auxiliary contact of 7.4#, the auxiliary contact of 7.5#, the auxiliary contact of 7.6# just can detect contactless switch whether after normal ON, handle back to zero all contactless switchs whether disconnect; fault is detected, while automatic protecting controller 1 controls to report to the police under the effect of no-voltage release 4 if occur; electric brake circuit breaker 4 power-off, drg dead electricity band-type brake.
Drg is the important location of hoisting crane and safety apparatus; in order to reflect brake contactors of crane response fault in time; as optimal way; this crane automatic safety device comprises trouble detect circuit H; described overhead crane control system 2 is connected with braking contactor 18; described trouble detect circuit H comprises the auxiliary contact of 8# be arranged on braking contactor 18, and the auxiliary contact of described 8# is connected with automatic protecting controller 1.When response fault appears in braking contactor 18, be just reflected to automatic protecting controller 1 in time by the auxiliary contact of 7#, and then the also automatic no-voltage release 4 that controls of reporting to the police forces electric brake circuit breaker 5 dead electricity, drg automatic band-type brake, hoisting crane is out of service.
Closed whether normal for detecting hoisting crane electric brake; as optimal way; this crane automatic safety device comprises trouble detect circuit I; described overhead crane control system 2 and electric brake contactless switch 19; described trouble detect circuit I comprises the auxiliary contact of 9# be arranged on electric brake contactless switch 19, and the auxiliary contact of described 9# is connected with automatic protecting controller 1.Just the whether normal opening and closing of electric brake contactless switch 19 can be fed back in time to automatic protecting controller by the auxiliary contact of 9# be arranged on electric brake contactless switch 19.
Crane brake is meeting automatic band-type brake after dead electricity; it is the safety assurance that hoisting crane runs that drg correctly falls after rise in time; and be detect the whether normal band-type brake of drg; as optimal way; this crane automatic safety device comprises trouble detect circuit J; described trouble detect circuit J comprises the drg proximity switch 10 be arranged on crane brake and the auxiliary contact of 10# be arranged on drg proximity switch 10, and the auxiliary contact of described 10# is connected with automatic protecting controller 1.Drg proximity switch 10 can detect drg action; the auxiliary contact of 10# is set thereon; when by the auxiliary contact of 10#, automatic protecting controller 1 detects that drg falls band-type brake exception after rise; no-voltage trip device can be controlled and force electric brake power down; but now, because drg falls fault after rise, cannot automatic band-type brake be realized; but be provided with the alarm mechanism that is connected with automatic protecting controller 1 can and alarm, avoid having an accident.
As can be seen from above; crane automatic safety device can detect many middle faults and automatically protects and report to the police in time; because fault cause is more; trouble point is found fast for the ease of service personnel; as optimal way; described automatic protecting controller is connected with fault-indicating lamp a, b, c, d, f, g, h, i, j, fault-indicating lamp a, b, c, d, f, g, h, i, j are arranged with trouble detect circuit A, B, C, D, E, F, G, H, I, J one_to_one corresponding respectively.Namely so-called fault-indicating lamp and trouble detect circuit J one_to_one corresponding refer to, trouble detect circuit A detects fault, then indicating fault a occurs that lamp is bright or by the green change such as to redden, trouble detect circuit B detects fault, then b fault-indicating lamp change ... by that analogy, trouble detect circuit J detects fault, then indicating fault j lamp changes.So, service personnel just by the direct localization of faults of fault-indicating lamp, thus quick and precisely finds fault cause, and repairs.
Claims (7)
1. hoisting crane automatic safety device, it is characterized in that: comprise overhead crane control system (2), electric brake circuit breaker (5), automatic protecting controller (1), fault relay (3), no-voltage release (4), trouble detect circuit A, trouble detect circuit B, trouble detect circuit C, described overhead crane control system (2) respectively with master file double-motor contactless switch (11), master file No. 1 motor contactless switch (12) and master file No. 2 motor contactless switchs (13) are connected, described trouble detect circuit A comprises the auxiliary contact of 1# be arranged on master file double-motor contactless switch (11), described trouble detect circuit B comprises the auxiliary contact of 2# be arranged on master file No. 1 motor contactless switch (12), described trouble detect circuit C comprises the auxiliary contact of 3# be arranged on master file No. 2 motor contactless switchs (13), the auxiliary contact of described 1#, the auxiliary contact of 2#, the auxiliary contact of 3# is all connected with automatic protecting controller (1), described automatic protecting controller (1) is connected with overhead crane control system (2), described automatic protecting controller (1) is connected with fault relay (3), described fault relay (3) is connected with no-voltage release phase (4), described no-voltage release (4) is arranged on electric brake circuit breaker (5), described automatic protecting controller (1) is connected with alarm mechanism (6).
2. hoisting crane automatic safety device as claimed in claim 1, it is characterized in that: comprise trouble detect circuit D, trouble detect circuit E and trouble detect circuit F, described overhead crane control system (2) is the double-motor contactless switch (14) for subsequent use with master file respectively, master file No. 1 motor contactless switch (15) for subsequent use and master file No. 2 motor contactless switchs (16) for subsequent use are connected, described trouble detect circuit D comprises the auxiliary contact of 4# be arranged on master file double-motor for subsequent use contactless switch (14), described trouble detect circuit E comprises the auxiliary contact of 5# be arranged on master file No. 1 motor contactless switch (15) for subsequent use, described trouble detect circuit F comprises the auxiliary contact of 6# be arranged on master file No. 2 motor contactless switchs (16) for subsequent use, the auxiliary contact of described 4#, the auxiliary contact of 5# is all connected with automatic protecting controller (1) with the auxiliary contact of 6#.
3. hoisting crane automatic safety device as claimed in claim 2, it is characterized in that: comprise trouble detect circuit G, described trouble detect circuit G comprises the auxiliary contact of 7.1# be arranged on master file double-motor contactless switch (11), be arranged at the auxiliary contact of 7.2# on master file No. 1 motor contactless switch (12), be arranged at the auxiliary contact of 7.3# on master file No. 2 motor contactless switchs (13), be arranged at the auxiliary contact of 7.4# on master file double-motor for subsequent use contactless switch (14), be arranged at the auxiliary contact of 7.5# on master file No. 1 motor contactless switch (15) for subsequent use, be arranged at the auxiliary contact of 7.6# on master file No. 2 motor contactless switchs (16) for subsequent use, the auxiliary contact of described 7.1#, the auxiliary contact of 7.2#, the auxiliary contact of 7.3#, the auxiliary contact of 7.4#, the auxiliary contact of 7.5#, the auxiliary contact of 7.6# is all connected with automatic protecting controller (1).
4. hoisting crane automatic safety device according to claim 3; it is characterized in that: comprise trouble detect circuit H; described overhead crane control system (2) is connected with braking contactor (18); described trouble detect circuit H comprises the auxiliary contact of 8# be arranged on braking contactor (18), and the auxiliary contact of described 8# is connected with automatic protecting controller (1).
5. hoisting crane automatic safety device according to claim 4; it is characterized in that: comprise trouble detect circuit I; described overhead crane control system (2) and electric brake contactless switch (19); described trouble detect circuit I comprises the auxiliary contact of 9# be arranged on electric brake contactless switch (19), and the auxiliary contact of described 9# is connected with automatic protecting controller (1).
6. hoisting crane automatic safety device according to claim 5; it is characterized in that: comprise trouble detect circuit J; described trouble detect circuit J comprises the drg proximity switch (10) be arranged on crane brake and the auxiliary contact of 10# be arranged on drg proximity switch (10), and the auxiliary contact of described 10# is connected with automatic protecting controller (1).
7. hoisting crane automatic safety device according to claim 6; it is characterized in that: described automatic protecting controller is connected with fault-indicating lamp a, b, c, d, f, g, h, i, j, fault-indicating lamp a, b, c, d, f, g, h, i, j are arranged with trouble detect circuit A, B, C, D, E, F, G, H, I, J one_to_one corresponding respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629172.5U CN205023750U (en) | 2015-08-20 | 2015-08-20 | Hoist automatic safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629172.5U CN205023750U (en) | 2015-08-20 | 2015-08-20 | Hoist automatic safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205023750U true CN205023750U (en) | 2016-02-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520629172.5U Active CN205023750U (en) | 2015-08-20 | 2015-08-20 | Hoist automatic safety device |
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| Country | Link |
|---|---|
| CN (1) | CN205023750U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108373119A (en) * | 2018-04-03 | 2018-08-07 | 淮北矿业股份有限公司 | A kind of remote buckle release protection device of car hauler |
| CN110118934A (en) * | 2019-03-08 | 2019-08-13 | 广东省特种设备检测研究院珠海检测院 | A kind of crane motor stator exception loss protecting function validation checking method |
| CN110240068A (en) * | 2019-05-24 | 2019-09-17 | 河南卫华重型机械股份有限公司 | A kind of the crane voltage control system and control method of shared bypass |
-
2015
- 2015-08-20 CN CN201520629172.5U patent/CN205023750U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108373119A (en) * | 2018-04-03 | 2018-08-07 | 淮北矿业股份有限公司 | A kind of remote buckle release protection device of car hauler |
| CN110118934A (en) * | 2019-03-08 | 2019-08-13 | 广东省特种设备检测研究院珠海检测院 | A kind of crane motor stator exception loss protecting function validation checking method |
| CN110240068A (en) * | 2019-05-24 | 2019-09-17 | 河南卫华重型机械股份有限公司 | A kind of the crane voltage control system and control method of shared bypass |
| CN110240068B (en) * | 2019-05-24 | 2020-07-14 | 河南卫华重型机械股份有限公司 | Bypass-shared crane pressure regulating control system and control method |
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