CN102881113A - Automatic monitoring, alarming and controlling method and automatic monitoring, alarming and controlling device for stroke limit tests - Google Patents
Automatic monitoring, alarming and controlling method and automatic monitoring, alarming and controlling device for stroke limit tests Download PDFInfo
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- CN102881113A CN102881113A CN2012103697314A CN201210369731A CN102881113A CN 102881113 A CN102881113 A CN 102881113A CN 2012103697314 A CN2012103697314 A CN 2012103697314A CN 201210369731 A CN201210369731 A CN 201210369731A CN 102881113 A CN102881113 A CN 102881113A
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- 238000012360 testing method Methods 0.000 title claims abstract description 64
- 238000012544 monitoring process Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000004913 activation Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009666 routine test Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The invention relates to an automatic monitoring, alarming and controlling method and an automatic monitoring, alarming and controlling device for stroke limit tests. The automatic monitoring, alarming and controlling device is provided with an alarm, an electric door lock with a key, a buzzer and indicator lamps. Two power input terminals, two relay output terminals and a plurality of limit switch contact state input terminals are arranged on the back surface of a controller body. The automatic monitoring, alarming and controlling method and the automatic monitoring, alarming and controlling device have the advantages that automatic monitoring and alarming are carried out for conditions of the timed stroke limit tests for mobile equipment needing stroke limits for safety protection, stopping of the equipment is controlled, failure and reduction of reliability of the various stroke limits of the mobile equipment can be found out timely via the stroke limit tests, potential accidents can be timely found out and are nipped in the bud, artificial violation of regulation is thoroughly stopped by improving the intrinsic safety of the equipment, and operational safety and reliability of the equipment can be greatly improved.
Description
Technical field
The present invention relates to the safety control technology field, relate in particular to a kind of stroke limit test automatic monitoring, alarm and control method and device.
Background technology
All need stroke limit to carry out the electromechanical equipment of safeguard protection now, for example driving, gantry crane, tower crane, unloader machine etc., wherein electromechanical equipment hoists, cart, the dolly stroke limit is one of most important safety guard of orbiting equipment, their safe and reliable state mainly comes the reliability of its action of routine test according to the requirement of rules and regulations by drive a vehicle driver or maintainer, individual consciousness and the people mainly leans on the execution of rules and regulations, often all be because " people " not requested test, confirm that stroke limit is effective, just go people's the responsibility violating the regulations of calling to account after the accident generation, (suspension hook was rushed to summit and can be fallen thing by disconnected rope but caused the accident because stroke limit loses efficacy, hurt sb.'s feelings; Equipment slips car and can damage equipment even hurt sb.'s feelings etc.) consequence can't retrieve, often lose huge.
Summary of the invention
The purpose of this invention is to provide the test of a kind of stroke limit automatic monitoring, alarm and control method and device, reliability is not enough when overcoming in the existing product manual confirmation stroke limit, the deficiency that easily causes the accident.
The objective of the invention is to be achieved through the following technical solutions:
A kind of stroke limit test automatic monitoring, alarm and control method may further comprise the steps:
1) initial activation: control program starts, and realizes control by Programmable Logic Controller (PLC);
2) integral point of succeeding gives the correct time: judge the current residing time, provide time signal by clock;
3) whether stroke limit is tested and is judged: stroke limit test comprise hoisting of electromechanical equipment and about, the stroke limit of front and back, set and succeed the time, whether the bit test of decision line degree is carried out within the time of setting;
4) 1 hours of succeeding is judged: whether then to judge 1 hour the time of succeeding, the time of succeeding of working in three shifts is generally 0 point-1 point, 8 point-9 and 16 point-17 point;
5) report to the police: the stroke limit test do not carried out or do not carried out and succeed after 1 hour mistake, alarm sends alerting signal;
6) time-delay is 20 minutes: delay time after 20 minutes, it is complete whether the judgement stroke limit is tested, and whether alarm still sends alerting signal;
7) safety return circuit has a power failure: stroke limit still not test (N.T.) is complete, program will trigger the mobile device safety return circuit and have a power failure, mobile device can't be worked, can only be come with key switch forced resetting mobile device safety return circuit by the staff, and must test and confirm to disconnect key switch behind the stroke limit, recover the normal operation of mobile device.
Further, in the described step 3), whether stroke limit tested judge, stroke limit Total Test is complete, and program is returned step 2), the time of carrying out is judged, waits for that next class continuation monitors the stroke limit test situation; The stroke limit test is not carried out or has not been carried out, and program enters step 4).
Further, described step 4) in, carry out the time judgement, judge the time of succeeding not by 1 hour, then program is returned step 2); Judgement is succeeded, and time is up 1 hour, and program enters step 5), alarm equipment alarm.
Further, described step 6) in, 20 minutes of delaying time do not arrive, and then program is returned step 3); After 20 minutes of delaying time arrived, alarm still carried out alarm, and program enters step 7).
Further, described step 7) in, stroke limit still not test (N.T.) is complete, and program will trigger the mobile device safety return circuit and have a power failure, and be defined as the single job accident this moment.
A kind of stroke limit test automatic monitoring of the present invention, alarm and control device, comprise the controller body, described controller main body front is provided with alarm, key electric door lock, hummer and some pilot lamp, and the described controller main body back side is provided with two power input terminals, two relay output end and some limit switch contact state input terminals.Described pilot lamp comprises the spacing test pilot lamp that hoists, left limit test pilot lamp, right limit test pilot lamp, front limit test pilot lamp and rear spacing test pilot lamp.
Beneficial effect of the present invention is: a kind of stroke limit test automatic monitoring provided by the invention; alarm and control method and device; by to needing stroke limit to carry out the mobile device stroke limit fixed time testing situation of safeguard protection; carry out automatic monitoring; reporting to the police also, opertaing device stops; by the test to stroke limit; can in time find the inefficacy of each stroke limit of mobile device and the phenomenon that reliability reduces; can in time find accident potential; accident potential is eliminated in bud; thoroughly stop artificial violation phenomenon by improving the equipment essential safety, can greatly improve the safe reliability of equipment operation.
Description of drawings
The below is described in further detail the present invention with reference to the accompanying drawings.
Fig. 1 is the process flow diagram of the described stroke limit test of embodiment of the invention automatic monitoring, alarm and control method;
Fig. 2 is the structural representation in the described stroke limit test of embodiment of the invention automatic monitoring, alarm and control device front;
Fig. 3 is the structural representation at the described stroke limit test of embodiment of the invention automatic monitoring, the alarm and control device back side;
Fig. 4 is the schematic diagram of the described stroke limit test of embodiment of the invention automatic monitoring, alarm and control method Programmable Logic Controller.
Among the figure:
1, controller main body; 2, alarm; 3, key electric door lock; 4, hummer; 5, power input terminal; 6, relay output end; 7, limit switch contact state input terminal; 8, the spacing test pilot lamp that hoists; 9, left limit test pilot lamp; 10, right limit test pilot lamp; 11, front limit test pilot lamp; 12, rear spacing test pilot lamp.
Embodiment
As shown in Figure 1, the described stroke limit test of embodiment of the invention automatic monitoring, alarm and control method may further comprise the steps:
1) initial activation: control program starts, and realizes control by smart machines such as Programmable Logic Controller, single-chip microcomputers;
2) integral point of succeeding gives the correct time: judge the current residing time, provide time signal by outside or internal clocking;
3) whether stroke limit is tested and is judged: stroke limit test comprise hoisting of electromechanical equipment and about, the stroke limit of front and back, set and succeed the time, whether the bit test of decision line degree is carried out within the time of setting;
4) 1 hours of succeeding is judged: whether then to judge 1 hour the time of succeeding, the time of succeeding of working in three shifts is generally 0 point-1 point, 8 point-9 and 16 point-17 point;
5) report to the police: the stroke limit test do not carried out or do not carried out and succeed after 1 hour mistake, alarm sends alerting signal;
6) time-delay is 20 minutes: delay time after 20 minutes, it is complete whether the judgement stroke limit is tested, and alarm still sends alerting signal;
7) safety return circuit has a power failure: stroke limit still not test (N.T.) is complete, program will trigger the mobile device safety return circuit and have a power failure, mobile device can't be worked, can only be come with key switch forced resetting mobile device safety return circuit by the staff, and must test and confirm to disconnect key switch behind the stroke limit, recover the normal operation of mobile device.
As shown in Figures 2 and 3, the described a kind of stroke limit test automatic monitoring of the embodiment of the invention, alarm and control device, comprise controller body 1, described controller main body 1 front is provided with alarm 2, key electric door lock 3, hummer 4 and some pilot lamp, and described controller main body 1 back side is provided with two power input terminals 5, two relay output end 6 and some limit switch contact state input terminals 7.Described pilot lamp comprises the spacing test pilot lamp 8 that hoists, left limit test pilot lamp 9, right limit test pilot lamp 10, front limit test pilot lamp 11 and rear spacing test pilot lamp 12.
As shown in Figure 4, during use, Programmable Logic Controller adopts Siemens s7-300 modular small PLC system, realizes stroke limit test automatic monitoring, alarm and control, simultaneously, be expert at and realize information indicating on degree bit test automatic monitoring, the alarm and control device.
Programmable controller (PLC), the I/O address allocation table:
The present invention is not limited to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present invention; no matter but do any variation in its shape or structure; every have identical with a application or akin technical scheme, all drops within protection scope of the present invention.
Claims (7)
1. a stroke limit is tested automatic monitoring, alarm and control method, it is characterized in that, may further comprise the steps:
1) initial activation: control program starts;
2) integral point of succeeding gives the correct time: judge the current residing time, provide time signal by clock;
3) whether stroke limit is tested and is judged: stroke limit test comprise hoisting of electromechanical equipment and about, the stroke limit of front and back, set and succeed the time, whether the bit test of decision line degree is carried out within the time of setting;
4) 1 hours of succeeding is judged: whether then to judge 1 hour the time of succeeding;
5) report to the police: the stroke limit test do not carried out or do not carried out and succeed after 1 hour mistake, alarm sends alerting signal;
6) time-delay is 20 minutes: delay time after 20 minutes, it is complete whether the judgement stroke limit is tested, and alarm still sends alerting signal;
7) safety return circuit has a power failure: stroke limit still not test (N.T.) is complete, program will trigger the mobile device safety return circuit and have a power failure, mobile device can't be worked, can only be come with key switch forced resetting mobile device safety return circuit by the staff, and must test and confirm to disconnect key switch behind the stroke limit, recover the normal operation of mobile device.
2. stroke limit according to claim 1 is tested automatic monitoring, alarm and control method, it is characterized in that: in the described step 3), whether stroke limit tested judge, stroke limit Total Test is complete, program is returned step 2), the time of carrying out is judged, waits for that next class continuation monitors the stroke limit test situation; The stroke limit test is not carried out or has not been carried out, and program enters step 4).
3. stroke limit according to claim 2 is tested automatic monitoring, alarm and control method, it is characterized in that: described step 4), carry out the time judgement, judge the time of succeeding not by 1 hour, then program is returned step 2); Judgement is succeeded, and time is up 1 hour, and program enters step 5), alarm equipment alarm.
4. stroke limit according to claim 3 is tested automatic monitoring, alarm and control method, and it is characterized in that: described step 6), 20 minutes of delaying time do not arrive, and then program is returned step 3); After 20 minutes of delaying time arrived, alarm still carried out alarm, and program enters step 7).
5. stroke limit according to claim 4 is tested automatic monitoring, alarm and control method, it is characterized in that: described step 7), stroke limit still not test (N.T.) is complete, and program will trigger the mobile device safety return circuit and have a power failure, and is defined as the single job accident this moment.
6. a stroke limit is tested automatic monitoring, alarm and control device, comprises controller body (1), and it is characterized in that: described controller main body (1) front is provided with alarm (2), key electric door lock (3), hummer (4) and some pilot lamp; Described controller main body (1) back side is provided with two power input terminals (5), two relay output end (6) and some limit switch contact state input terminals (7).
7. stroke limit according to claim 6 is tested automatic monitoring, alarm and control device, it is characterized in that: described pilot lamp comprises the spacing test pilot lamp (8) that hoists, left limit test pilot lamp (9), right limit test pilot lamp (10), front limit test pilot lamp (11) and rear spacing test pilot lamp (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103697314A CN102881113A (en) | 2012-09-27 | 2012-09-27 | Automatic monitoring, alarming and controlling method and automatic monitoring, alarming and controlling device for stroke limit tests |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103697314A CN102881113A (en) | 2012-09-27 | 2012-09-27 | Automatic monitoring, alarming and controlling method and automatic monitoring, alarming and controlling device for stroke limit tests |
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| CN102881113A true CN102881113A (en) | 2013-01-16 |
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| CN2012103697314A Pending CN102881113A (en) | 2012-09-27 | 2012-09-27 | Automatic monitoring, alarming and controlling method and automatic monitoring, alarming and controlling device for stroke limit tests |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065306A (en) * | 2014-06-13 | 2014-09-24 | 上海中远川崎重工钢结构有限公司 | Control circuit of steel seal machining device and control method of control circuit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010020834A1 (en) * | 1998-04-03 | 2001-09-13 | Energyline Systems, Inc. | Motor operator for over-head air break electrical power distribution switches |
| CN2480352Y (en) * | 2001-05-09 | 2002-03-06 | 成都新泰建筑机械有限公司 | Tower crane corrosion proof and local protector |
| CN201072505Y (en) * | 2006-12-30 | 2008-06-11 | 魏远良 | Electronic range limiter |
| CN202201668U (en) * | 2011-08-11 | 2012-04-25 | 鞍山钢制压力容器有限公司 | Alarm device for limiting stroke of hoisting mechanism |
| CN202916953U (en) * | 2012-09-27 | 2013-05-01 | 河南宏博重型机械有限公司 | Travel limiting test automatic monitoring, warning and control device |
-
2012
- 2012-09-27 CN CN2012103697314A patent/CN102881113A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010020834A1 (en) * | 1998-04-03 | 2001-09-13 | Energyline Systems, Inc. | Motor operator for over-head air break electrical power distribution switches |
| CN2480352Y (en) * | 2001-05-09 | 2002-03-06 | 成都新泰建筑机械有限公司 | Tower crane corrosion proof and local protector |
| CN201072505Y (en) * | 2006-12-30 | 2008-06-11 | 魏远良 | Electronic range limiter |
| CN202201668U (en) * | 2011-08-11 | 2012-04-25 | 鞍山钢制压力容器有限公司 | Alarm device for limiting stroke of hoisting mechanism |
| CN202916953U (en) * | 2012-09-27 | 2013-05-01 | 河南宏博重型机械有限公司 | Travel limiting test automatic monitoring, warning and control device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065306A (en) * | 2014-06-13 | 2014-09-24 | 上海中远川崎重工钢结构有限公司 | Control circuit of steel seal machining device and control method of control circuit |
| CN104065306B (en) * | 2014-06-13 | 2016-08-24 | 上海中远川崎重工钢结构有限公司 | The control circuit of a kind of steel seal processing unit (plant) and control method thereof |
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Effective date of abandoning: 20130116 |
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