CN201753236U - Intelligent limiting audible and visual alarm controller of crane - Google Patents
Intelligent limiting audible and visual alarm controller of crane Download PDFInfo
- Publication number
- CN201753236U CN201753236U CN2010201645627U CN201020164562U CN201753236U CN 201753236 U CN201753236 U CN 201753236U CN 2010201645627 U CN2010201645627 U CN 2010201645627U CN 201020164562 U CN201020164562 U CN 201020164562U CN 201753236 U CN201753236 U CN 201753236U
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- control relay
- spacing
- crane
- alarm
- limit switch
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Abstract
The utility model relates to an intelligent limiting audible and visual alarm controller of a crane, which belongs to the technical field of crane limiting control and mainly solves the problems of poor reliability and easily generated accidents in a conventional limiting way. The intelligent limiting audible and visual alarm controller of the crane has the main characteristics as follows: double limit switches are adopted on a crane winding drum unit; the intelligent limiting audible and visual alarm controller of the crane also comprises an intelligent judging control alarm circuit consisting of a Mitsubishi miniature PLC (Programmable Logic Controller), an element damage alarm control relay, a rising or descending limit control relay and a rotary caution lamp; one end of each of the normally open contacts of the limit switches and the limit control relay are connected with a COM (Component Object Mode) terminal of the PLC; and the other ends of the normally open contacts of the limit switches and the limit control relay are connected with an X terminal; one end of each of the normally open contacts of the rotary caution lamp, an alarm eliminating switch and the element damage alarm control relay are connected with an N terminal and the COM terminal of the PLC; and the other ends of the normally open contacts of the rotary caution lamp, an alarm eliminating switch and the element damage alarm control relay are connected with an L terminal of the PLC and an L terminal of a contact coil. The intelligent limiting audible and visual alarm controller of the crane has the characteristics of high reliability as well as automatic detecting, automatic judging and automatic alarming functions and is mainly used for the rising and descending limit control for the crane.
Description
Technical field
The utility model belongs to crane hoisting, the spacing control technology that descends field.Be specifically related to a kind ofly can be automatically carry out intellectuality and detect, judge, when detecting limit switch, control relay et out of order, can carry out the spacing sound and light alarm controller of crane intelligent that acoustic-optical fault is reported to the police automatically crane hoisting, decline stop portion limit switch, control relay.
Background technology
Limit methods such as at present, Chang Yong hoisting crane inhibiting device has spacing, the rotary limit switch of mechanical cam, the cross deflector rod switch is spacing, weight is spacing.Because only adopt a limit switch on hoisting crane, and can't in time be found after the limit switch damage, thereby conventional limit method control reliability is poor, hoisting crane takes place easily because of spacing malfunctioning equipment that causes and fatal accident.
Summary of the invention
The purpose of this utility model is to provide a kind of reliability height, can detects hoisting crane stop portion element mode of operation automatically, and possesses the crane intelligent limit controller of automatic judgement, auto alarm function.
Technical solution of the present utility model is: the spacing sound and light alarm controller of a kind of crane intelligent, comprise be arranged on the hoist roller group near limit switch and be arranged on the warning circuit of control in the cabinet, it is characterized in that: on the hoist roller group, adopt two near limit switch; The intelligent decision control warning circuit of warning circuit for constituting by the micro programmable logic controller PLC of Mitsubishi, component wear alarm control relay, rising or the spacing control relay that descends, rotary Warning light.One end of component wear alarm control relay, rising or the spacing control relay that descends all is connected with the L end of the micro programmable logic controller PLC of Mitsubishi, and the other end is connected with the Y end of the micro programmable logic controller PLC of Mitsubishi respectively; Open contact one end near the length of limit switch, rising or the spacing control relay that descends and all be connected with the COM end of the micro programmable logic controller PLC of Mitsubishi, the other end is connected with the X end of the micro programmable logic controller PLC of Mitsubishi respectively; Rotary Warning light, eliminate alarm switch, component wear alarm control relay length and open the contact three and be connected in series back one end and be connected with N end and the COM end of the micro programmable logic controller PLC of Mitsubishi, the other end is held with the L of the micro programmable logic controller PLC of Mitsubishi and contactless coil L holds and is connected.
Two described in the technical solution of the present utility model can be 2 near limit switch, be arranged on that the hoist roller group rises or the spacing correspondence position that descends on; The spacing control relay that rises or descend adopts 1 relay.
Two described in the technical solution of the present utility model can also be 4 near limit switch, wherein, 2 are arranged on the hoist roller group near limit switch and rise on the spacing correspondence position, and 2 are arranged on the hoist roller group near limit switch and descend on the spacing correspondence position in addition; The spacing control relay that rises or descend adopts 2 relays, and wherein 1 is the spacing control relay that rises, and 1 is the spacing control relay that descends in addition.
Be connected with limit switch between the L end of the micro programmable logic controller PLC of Mitsubishi described in the technical solution of the present utility model and the Y5 end and detect indicator lamp.
Rotary Warning light YC described in the technical solution of the present utility model and component wear alarm control relay length are opened and are connected with the elimination alarm switch between the contact.
The utility model is owing to adopt two near limit switch on the hoist roller group, employing is by the micro programmable logic controller PLC of Mitsubishi, component wear alarm control relay, rise or the spacing control relay that descends, the intelligent decision control warning circuit that rotary Warning light constitutes, thereby, when this controller is used for the spacing control of hoisting crane, it detects sender by two near limit switch the spacing of certain direction, component wear alarm control relay, rising or descend, spacing control relay is corresponding to be controlled, the design-calculated logical program is to two limit switches among the micro programmable logic controller PLC of Mitsubishi, the rising or the spacing control relay that descends carry out intelligent decision, detect and output element damage failure alarm signal, carry out the spacing of acoustic-optical fault warning and control hoisting crane automatically by rotary Warning light.This controller can be in time and actv. find hoisting crane control near limit switch, control relay damage, malfunctioning fault, can prevent that hoisting crane from taking place because of spacing malfunctioning equipment that causes and fatal accident by actv..The utility model has overcome the shortcoming of prior art, has the reliability height, can detect hoisting crane stop portion element mode of operation automatically, and possess the characteristics of automatic judgement, auto alarm function.The utility model is mainly used in the spacing of crane hoisting, decline, also can be used for other field.
Description of drawings
Fig. 1 is a circuit diagram of the present utility model;
Fig. 2 is a upper limit PLC ladder diagram-1;
Fig. 3 is a upper limit PLC ladder diagram-2.
The specific embodiment
As Fig. 1, Fig. 2, shown in Figure 3.The micro programmable logic controller PLC FX1S-20MR-001 of Mitsubishi, component wear alarm control relay K A0, the spacing control relay KA1 that rises, descend spacing control relay KA3, rotary Warning light YC, limit switch detect indicator lamp HL1, eliminate alarm switch SB1 formation intelligent decision control warning circuit.Rising, descending near limit switch is 4, wherein 2 risings are arranged on the spacing correspondence position of hoist roller group rising near limit switch 1SQ, 2SQ, and 2 declines are arranged on the spacing correspondence position of hoist roller group decline near limit switch 3SQ, 4SQ in addition.Rising or descend spacing control relay KA1, KA3 adopt 2 relays, and wherein 1 is rising control relay KA1, and 1 is decline control relay KA3 in addition.
On same spacing position, adopt twoly, adopt component wear alarm control relay K A0, rising or decline control relay KA1, KA3 to carry out spacing and alarm control near limit switch.
The end of rising or decline control relay KA1, KA3 all is connected with the L end of programmable controller PLC, and the other end is connected with the Y end of the micro programmable logic controller PLC of Mitsubishi respectively; Rise and descend near limit switch 1SQ, 2SQ, 3SQ, 4SQ; Rising is opened contact KA1, KA3 one end with the length of decline control relay and all is connected with the COM end of the micro programmable logic controller PLC of Mitsubishi; The other end is connected with the X end of the micro programmable logic controller PLC of Mitsubishi respectively; Rotary Warning light, eliminate alarm switch, component wear alarm control relay length and open the contact three and be connected in series back one end and be connected with N end and the COM end of the micro programmable logic controller PLC of Mitsubishi, the other end is held with the L of the micro programmable logic controller PLC of Mitsubishi and contactless coil L holds and is connected.
This controller control hoisting crane spacing control electrical principle that rises, descends is identical, below only with controller control hoisting crane its control electrical principle of spacing action specification that rises.
This controller control hoisting crane spacing control principle that rises is: partly adopt two near limit switch 1SQ detecting sender, 2SQ detects and sends out flood, two near limit switch 1SQ, 2SQ in use carries out spacing control simultaneously and detects mutually, if when one of them damages near switch, the micro programmable logic controller PLC of Mitsubishi program is to whether sender is judged near switch, after one of them carries out spacing action near switch detection sender, when if another does not detect sender near switch because of damaging, the micro programmable logic controller PLC of Mitsubishi program is through carrying out fault output after judging, rotary Warning light YC carries out the acoustic-optical fault warning automatically and informs the spacing et out of order of user.
This controller spacing control part principle that rises is a (see figure 1): adopt component wear alarm control relay K A0, the spacing control relay KA1 that rises to hoisting crane the spacing action of rising control.In the course of the work, component wear alarm control relay K A0, rise spacing control relay KA1 jointly to hoisting crane the spacing action of rising control.
Hoisting crane has only the spacing control relay KA1 work of rising when rising spacing normal operation, when the faults such as the damage of spacing control relay KA1 generation coil, contact adhesion that rise take place, the micro programmable logic controller PLC of Mitsubishi connects component wear alarm control relay K A0 through the automatic switchover of judgement back and carries out spacing control, and the micro programmable logic controller PLC of Mitsubishi carries out the acoustic-optical fault warning to detected these abnormal condition automatically by rotary Warning light YC simultaneously.
This controller control hoisting crane rises, spacing course of action descends.
This controller control hoisting crane rises, the spacing course of action principle that descends is identical, below only with the controller control hoisting crane spacing course of action that rises its control electrical principle (see Fig. 2, see Fig. 3) is described.
Controller utilizes when being used for the spacing control of crane hoisting that two steel ropes are as hoisting spacing detection sender object on the reel group, and rising is arranged in hoist roller side rising limit steel rope place near limit switch 1SQ, 2SQ.Good near limit switch 1SQ, 2SQ, rising control relay KA1 mode of operation when rising, during the hoisting crane normal operation, rise this moment No. 1 limit switch 1SQ and No. 2 limit switch 2SQ that rise are the long state that cut-offs out.When crane hook rises to the upper limit of setting; steel rope enters induction zone and makes when rising No. 1 limit switch 1SQ and rising No. 2 limit switch 2SQ connections; rise for No. 1 spacing relaying M1 and the spacing relaying M2 that rises for No. 2 of relief relay in the micro programmable logic controller PLC of the Mitsubishi ladder diagram gets electric connection; M1; the long closing of contact of opening of M2; the spacing relaying M3 that rises gets electric connection; rise detection time T 0 gets electric connection; M1; the long closed contact of M2 disconnects warning relaying M12; rising warning relaying M4 is failure to actuate; the spacing relaying M3 that rises gets electric connection; the spacing control Y1 that rises connects; the spacing control relay KA1 adhesive of rising; the long closed contact of KA1 that is serially connected in the hoisting crane power distribution protection loop disconnects; hoisting crane zero position protection contactless switch XC outage, hoisting crane is realized the spacing control of rising.
Operating principle when unusual takes place in hoisting crane limit switch and control relay, when crane hook rises to the upper limit of setting, the some limit switches that rise among No. 1 limit switch 1SQ or No. 2 limit switch 2SQ of rising damage in the time of can't connecting (two spacing probability that damage at one time near switch are very little), after second, rise detection time T 0 is connected at time-delay 0.5-1.5; There are long closed contact connection, a warning relaying M12 to connect among No. 1 spacing relaying M1 that rises, the spacing relaying M2 that rises for No. 2 simultaneously, rising warning relaying M4 gets electronic work, the long closing of contact of opening of rising warning relaying M4, component wear warning Y0 gets, component wear alarm control relay K A0 gets electric adhesive, component wear alarm control relay K A0 is long to open the closing of contact, and rotary Warning light YC gets electric adhesive, carries out the component wear sound and light alarm automatically.The spacing control Y1 that meanwhile rises gets; the spacing control output Y1 that rises connects; the spacing control relay KA1 adhesive of rising; be serially connected in the long closed contact disconnection of the component wear alarm control relay K A0 in the hoisting crane power distribution protection loop, the spacing control relay KA1 that rises; hoisting crane zero position protection contactless switch XC outage, hoisting crane is realized the spacing control of rising simultaneously.
When the spacing control relay KA1 coil that rises damages or during line failure (being in spacing state), if the spacing control relay KA1 that rises could adhesive the time, the long contacting of opening of the spacing relaying M3 that rises this moment; The vertical relay coil damages detection T11 and gets electric (delay time and connect after 0.1 second), component wear warning Y0 gets, component wear alarm control relay K A0 gets electric adhesive, the long closing of contact of opening of component wear alarm control relay K A0, rotary Warning light YC gets electric adhesive, carries out sound and light alarm automatically.The long closed contact of component wear alarm control relay K A0 that meanwhile is serially connected in the hoisting crane power distribution protection loop disconnects; Hoisting crane zero position protection contactless switch XC outage, hoisting crane is realized the spacing control of rising simultaneously.
When contact adhesion fault takes place in the spacing control relay KA1 that rises, the long contact X011 that opens of the spacing KA1 that rises connects, the vertical relay adhesion detects T10 and gets electric (delay time and connect after 30 seconds), rising warning relaying M4 gets electronic work, and rising warning relaying M4 is long to open contacting, and component wear warning Y0 gets, component wear alarm control relay K A0 gets electric adhesive, component wear alarm control relay K A0 is long to open the closing of contact, and rotary Warning light YC gets electric adhesive, carries out sound and light alarm automatically.The long closed contact of component wear alarm control relay K A0 that meanwhile is serially connected in the hoisting crane power distribution protection loop disconnects; Hoisting crane zero position protection contactless switch XC outage, hoisting crane is realized the spacing control of rising simultaneously.
Spacing control principle when this controller is used for hoisting crane decline is identical with the spacing control principle that hoists, and no longer sets forth at this.
Claims (5)
1. spacing sound and light alarm controller of crane intelligent, comprise be arranged on the hoist roller group near limit switch and be arranged on warning circuit in the control cabinet, it is characterized in that: on the hoist roller group, adopt two near limit switch; Warning circuit is by the miniature programmable controller PLC of Mitsubishi; Component wear alarm control relay (KA0); Rise or the spacing control relay that descends (KA1, KA3); The intelligent decision control warning circuit that rotary Warning light (YC) constitutes; Component wear alarm control relay (KA0); One end of rising or the spacing control relay that descends (KA1, KA3) all is connected with the L end of the miniature programmable controller PLC of Mitsubishi, and the other end is connected with the Y end of the micro programmable logic controller PLC of Mitsubishi respectively; Open contact one end near the length of limit switch, rising or decline control relay and all be connected with the COM end of the micro programmable logic controller PLC of Mitsubishi, the other end is connected with the X end of the micro programmable logic controller PLC of Mitsubishi respectively; Rotary Warning light (YC), eliminate alarm switch (SB1), component wear alarm control relay length and open contact (KA0) three and be connected in series back one end and be connected with the N end of the micro programmable logic controller PLC of Mitsubishi, the other end is held with contactless coil L and is connected.
2. the spacing sound and light alarm controller of crane intelligent according to claim 1 is characterized in that: described pair is 2 near limit switch (1SQ, 2SQ), is arranged on the correspondence position of rising of hoist roller group or decline; The spacing control relay that rises or descend adopts 1 relay (KA1).
3. the spacing sound and light alarm controller of crane intelligent according to claim 1, it is characterized in that: described pair is 4 near limit switch (1SQ, 2SQ, 3SQ, 4SQ), wherein, 2 are arranged on the correspondence position that the hoist roller group rises near limit switch (1SQ, 2SQ), and 2 are arranged on the correspondence position that the hoist roller group descends near limit switch (3SQ, 4SQ) in addition; Rise or 2 relays of decline control relay employing, wherein 1 is the spacing control relay (KA1) that rises, and 1 is decline spacing control relay (KA3) in addition.
4. according to claim 1, the spacing sound and light alarm controller of 2 or 3 described crane intelligents, it is characterized in that: be connected with limit switch between the L end of the described micro programmable logic controller PLC of Mitsubishi and the Y end and detect indicator lamp (HL1).
5. according to claim 1, the spacing sound and light alarm controller of 2 or 3 described crane intelligents, it is characterized in that: long the opening of described rotary Warning light (YC) and component wear alarm control relay (KA0) is connected with elimination alarm switch (SB1) between the contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201645627U CN201753236U (en) | 2010-04-07 | 2010-04-07 | Intelligent limiting audible and visual alarm controller of crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201645627U CN201753236U (en) | 2010-04-07 | 2010-04-07 | Intelligent limiting audible and visual alarm controller of crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201753236U true CN201753236U (en) | 2011-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201645627U Expired - Fee Related CN201753236U (en) | 2010-04-07 | 2010-04-07 | Intelligent limiting audible and visual alarm controller of crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201753236U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085791A (en) * | 2014-06-26 | 2014-10-08 | 嘉兴瑞恩重工科技有限公司 | Information collection and control device for cranes |
| CN111747325A (en) * | 2019-03-26 | 2020-10-09 | 中核华兴达丰机械工程有限公司 | Intelligent electronic limit switch controller for tower crane |
-
2010
- 2010-04-07 CN CN2010201645627U patent/CN201753236U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085791A (en) * | 2014-06-26 | 2014-10-08 | 嘉兴瑞恩重工科技有限公司 | Information collection and control device for cranes |
| CN104085791B (en) * | 2014-06-26 | 2016-08-24 | 嘉兴瑞恩重工科技有限公司 | Information and control device for crane |
| CN111747325A (en) * | 2019-03-26 | 2020-10-09 | 中核华兴达丰机械工程有限公司 | Intelligent electronic limit switch controller for tower crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110302 Termination date: 20130407 |