CN206203834U - A kind of dropproof pair of protection device of piler - Google Patents
A kind of dropproof pair of protection device of piler Download PDFInfo
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- CN206203834U CN206203834U CN201621285691.5U CN201621285691U CN206203834U CN 206203834 U CN206203834 U CN 206203834U CN 201621285691 U CN201621285691 U CN 201621285691U CN 206203834 U CN206203834 U CN 206203834U
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Abstract
The utility model belongs to the technical field of piler, and in particular to a kind of dropproof pair of protection device of piler；The technical problem of solution is：There is provided a kind of wiring succinct, simple to operate and dropproof pair of protection device of duplicate protection can be played to piler；The technical scheme for using for：A kind of dropproof pair of protection device of piler; including PLC, frequency converter VFD1, lifting motor M1, rectifier ZL1, relay KJ1, frequency converter internal relay KJ2, A.C. contactor KM1 and A.C. contactor KM2; the PLC is connected with the input of frequency converter VFD1; the power input of frequency converter VFD1 is electrically connected with 380V three-phase alternating currents; the output end of frequency converter VFD1 is connected with the power end of lifting motor M1, and 24V dc sources are connected by the coil KJ1.1 of relay KJ1 with PLC control end Q0.5；The utility model is applied to piler field.
Description
Technical field
The utility model belongs to the technical field of piler, and in particular to a kind of dropproof pair of protection device of piler.
Background technology
With the rise of Intelligent logistics, automated warehouse storage system is widely applied in every profession and trade, and piler is used as certainly
The core executing agency of dynamicization warehousing system, decisive role is served in the stability and high efficiency operating of warehousing system.And stacking
Machine lifting mechanism as vertical loading carrier, its safe handling has been related to the safety and stability and overall performance of automated warehousing
Performance.
The protection of piler lifting mechanism mainly includes mechanical protection and the aspect of electic protection two, mechanical protection be typically by
What jaw was realized, but mechanical protection is last layer of protection, especially ensures to carry by clamping track in disconnected rope or when exceeding the speed limit
Load bed will not be from falling from high altitude.The raising of piler should have safely electic protection under normal circumstances, and electic protection is mainly by PLC
Programming realization is uniformly controlled, and for the mechanical protection control of piler lifting mechanism, issues action by PLC output signals first
Instruct to frequency converter, the direct control to lifting mechanism is then realized according to command information by frequency converter.
As shown in figure 1, PLC is piler when opening, stopping to the control model of raising at present, connect by an exchange
The adhesive of tentaculum controls the opening and closing of piler lifting motor band-type brake, if frequency converter inside output contact is viscous due to failure
Even, its normally opened contact can not normally discharge, then exporting band-type brake circuit can not normally disconnect, so that lifting motor band-type brake is located always
In open mode, prevent motor from normal braking, at this moment because PLC is without output, motor would be at runaway condition,
And loading platform is by Action of Gravity Field in high-altitude due to will only be dropped, if mechanical jaw is also damaged, it is impossible to start overspeed protection
Track is clamped in time, loading platform will quickly fall, and accident is will result in when serious；Other contacts of contactor is also to use the longevity
Life, in traditional circuit, the contactor only one of which of output control band-type brake, burn in the event of contact, adhesion situations such as,
Brake failure can be equally caused, causes loading platform from the absolutely empty peril for dropping of height.
Utility model content
The utility model overcomes the shortcomings of that prior art is present, and technical problem to be solved is：A kind of wiring letter is provided
Dropproof pair of protection device clean, simple to operate and that duplicate protection can be played to piler.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of dropproof double guarantors of piler
Protection unit, including PLC, frequency converter VFD1, lifting motor M1, rectifier ZL1, relay KJ1, frequency converter inside relay
Device KJ2, A.C. contactor KM1 and A.C. contactor KM2, the PLC are connected with the input of frequency converter VFD1, frequency conversion
The power input of device VFD1 is electrically connected with 380V three-phase alternating currents, the output end of frequency converter VFD1 and the power end of lifting motor M1
It is connected, 24V dc sources are connected by the coil KJ1.1 of relay KJ1 with PLC control end Q0.5；
One end of the normally opened contact KJ2.1 of frequency converter internal relay KJ2 is with the normally opened contact KJ1.2's of relay KJ1
One end is connected, one end phase of the other end of the normally opened contact KJ1.2 of relay KJ1 and the coil KM2.1 of A.C. contactor KM2
Even, the other end of the coil KM2.1 of A.C. contactor KM2 is connected with one end of 220V AC powers, 220V AC powers it is another
One end is connected with the other end of the normally opened contact KJ2.1 of frequency converter internal relay KJ2, the coil KM1.1 of A.C. contactor KM1
It is attempted by the two ends of the coil KM2.1 of A.C. contactor KM2；
One end of the normally opened contact KM1.2 of the control end Z1 and A.C. contactor KM1 of the rectifier ZL1 is connected, rectification
One end of the normally opened contact KM2.2 of the control end Z2 and A.C. contactor KM2 of device ZL1 is connected, and the normally opened of A.C. contactor KM1 touches
The other end of point KM1.2, the other end of the normally opened contact KM2.2 of A.C. contactor KM2 and 380V three-phase alternating currents are electrically connected, rectification
One end, the normally opened contact of A.C. contactor KM2 of the normally opened contact KM1.3 of the control end Z3 and A.C. contactor KM1 of device ZL1
One end of KM2.3 is connected, the other end of the normally opened contact KM1.3 of A.C. contactor KM1, the normally opened contact of A.C. contactor KM2
The other end of KM2.3 is connected with the control end Z4 of rectifier ZL1.
The rotating forward input IN1 of the first control end Q0.0 and frequency converter VFD1 of the PLC is connected, PLC controls
Second control end Q0.1 of device is connected with the non-inverting input IN2 of frequency converter VFD1, the 3rd control end Q0.2 of PLC with
The high speed input IN3 of frequency converter VFD1 is connected, the low speed input of the 4th control end Q0.3 and frequency converter VFD1 of PLC
End IN4 is connected, and the common port COM2 of the common port COM1 and frequency converter VFD1 of PLC is connected.
The power input of the frequency converter VFD1 is electrically connected by air switch Q1 and 380V three-phase alternating currents.
The utility model has the advantages that compared with prior art：
A kind of dropproof pair of protection device of piler of the utility model, including PLC, frequency converter VFD1, raising electricity
Machine M1, rectifier ZL1, relay KJ1, frequency converter internal relay KJ2, A.C. contactor KM1 and A.C. contactor KM2；It is logical
Cross the normally opened contact KJ1.2 of the SRE KJ1 in the output circuit of frequency converter VFD1, when PLC due to failure without
During method output signal, then the coil KJ1.1 dead electricity of relay KJ1, the coil KM1.1 and A.C. contactor of A.C. contactor KM1
The coil KM2.1 dead electricity of KM2, rectifier ZL1 is stopped, lifting motor M1 safety shut-downs；By A.C. contactor KM1 and friendship
Stream contactor KM2, when A.C. contactor KM1 is damaged, A.C. contactor KM2 being capable of normal work, it is ensured that lifting motor M1's
Safe operation, it is to avoid exception and friendship due to the normally opened contact KJ2.1 of frequency converter VFD1 output frequency converter internal relays KJ2
The risk of lifting motor M1 cisco unity malfunctions, enhances piler caused by stream contactor KM1 or A.C. contactor KM2 failures
Controllability and security.
Brief description of the drawings
The utility model is described in more detail below in conjunction with the accompanying drawings；
Fig. 1 is the circuit theory diagrams of prior art；
Fig. 2 is circuit theory diagrams of the present utility model.
Specific embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below will be to the utility model
Technical scheme in embodiment is clearly and completely described, it is clear that described embodiment is a part of the present utility model
Embodiment, rather than whole embodiments；Based on the embodiment in the utility model, those of ordinary skill in the art are without work
Go out the every other embodiment obtained under the premise of creative work, belong to the scope of the utility model protection.
As shown in Fig. 2 a kind of dropproof pair of protection device of piler, including PLC, frequency converter VFD1, raising electricity
Machine M1, rectifier ZL1, relay KJ1, frequency converter internal relay KJ2, A.C. contactor KM1 and A.C. contactor KM2, institute
State PLC to be connected with the input of frequency converter VFD1, power input and the 380V three-phase alternating current phases of frequency converter VFD1
Even, the output end of frequency converter VFD1 is connected with the power end of lifting motor M1, the coil that 24V dc sources pass through relay KJ1
KJ1.1 is connected with PLC control end Q0.5；
One end of the normally opened contact KJ2.1 of frequency converter internal relay KJ2 is with the normally opened contact KJ1.2's of relay KJ1
One end is connected, one end phase of the other end of the normally opened contact KJ1.2 of relay KJ1 and the coil KM2.1 of A.C. contactor KM2
Even, the other end of the coil KM2.1 of A.C. contactor KM2 is connected with one end of 220V AC powers, 220V AC powers it is another
One end is connected with the other end of the normally opened contact KJ2.1 of frequency converter internal relay KJ2, the coil KM1.1 of A.C. contactor KM1
It is attempted by the two ends of the coil KM2.1 of A.C. contactor KM2；
One end of the normally opened contact KM1.2 of the control end Z1 and A.C. contactor KM1 of the rectifier ZL1 is connected, rectification
One end of the normally opened contact KM2.2 of the control end Z2 and A.C. contactor KM2 of device ZL1 is connected, and the normally opened of A.C. contactor KM1 touches
The other end of point KM1.2, the other end of the normally opened contact KM2.2 of A.C. contactor KM2 and 380V three-phase alternating currents are electrically connected, rectification
One end, the normally opened contact of A.C. contactor KM2 of the normally opened contact KM1.3 of the control end Z3 and A.C. contactor KM1 of device ZL1
One end of KM2.3 is connected, the other end of the normally opened contact KM1.3 of A.C. contactor KM1, the normally opened contact of A.C. contactor KM2
The other end of KM2.3 is connected with the control end Z4 of rectifier ZL1.
The rotating forward input IN1 of the first control end Q0.0 and frequency converter VFD1 of the PLC is connected, PLC controls
Second control end Q0.1 of device is connected with the non-inverting input IN2 of frequency converter VFD1, the 3rd control end Q0.2 of PLC with
The high speed input IN3 of frequency converter VFD1 is connected, the low speed input of the 4th control end Q0.3 and frequency converter VFD1 of PLC
End IN4 is connected, and the common port COM2 of the common port COM1 and frequency converter VFD1 of PLC is connected.
The power input of the frequency converter VFD1 is electrically connected by air switch Q1 and 380V three-phase alternating currents.
Specifically, PLC control end exports forward or reverse signal and gives frequency converter VFD1, the coil of relay KJ1
KJ1.1 obtains electric, the normally opened contact KJ1.2 closures of relay KJ1, while the normally opened contact KJ2.1 of frequency converter internal relay KJ2
Closure, the coil KM2.1 of the coil KM1.1 and A.C. contactor KM2 of A.C. contactor KM1 obtains electric, and A.C. contactor KM1's is normal
Open contact KM1.2, the normally opened contact KM1.3 of A.C. contactor KM1, the normally opened contact KM2.2 of A.C. contactor KM2, exchange connect
The normally opened contact KM2.3 of tentaculum KM2 is closed, and rectifier ZL1 obtains electric, and lifting motor M1 band-type brakes unclamp；PLC control end
Output speed signal gives frequency converter VFD1, and the loading platform with mechanical pilar rises or falls, after loading platform reaches target location,
PLC control end sends is ceased and desisted order, and frequency converter VFD1 controls lifting motor M1 is slowed down, defeated as frequency converter VFD1
It is zero to go out speed, and PLC control end sends ceases and desist order, the coil KJ1.1 dead electricity of relay KJ1, and relay KJ1's is normal
Contact KJ1.2 disconnections are opened, the coil KM2.1 dead electricity of the coil KM1.1 and A.C. contactor KM2 of A.C. contactor KM1, exchange connects
The normally opened contact KM1.2 of tentaculum KM1, the normally opened contact KM1.3 of A.C. contactor KM1, the normally opened contact of A.C. contactor KM2
KM2.2, the normally opened contact KM2.3 of A.C. contactor KM2 disconnect, rectifier ZL1 dead electricity, and lifting motor M1 band-type brakes are held tightly, rise
Lifting motor M1 safety shut-downs；
The normally opened contact KJ1.2 that the utility model passes through the SRE KJ1 in the output circuit of frequency converter VFD1, when
PLC due to failure cannot output signal when, then the coil KJ1.1 dead electricity of relay KJ1, the line of A.C. contactor KM1
The coil KM2.1 dead electricity of KM1.1 and A.C. contactor KM2 is enclosed, rectifier ZL1 is stopped, lifting motor M1 safety shut-downs；It is logical
A.C. contactor KM1 and A.C. contactor KM2 is crossed, when A.C. contactor KM1 is damaged, A.C. contactor KM2 being capable of normal work
Make, it is ensured that the safe operation of lifting motor M1, it is to avoid normally opened due to frequency converter VFD1 output frequency converter internal relays KJ2
Lifting motor M1 cisco unity malfunctions caused by the exception and A.C. contactor KM1 or A.C. contactor KM2 failures of contact KJ2.1
Risk, enhance the controllability and security of piler.
The utility model is by increasing relay KJ1, while being connect using A.C. contactor KM1 and A.C. contactor KM2 is double
Tentaculum realizes and controlled by the common band-type brake to lifting motor M1 of PLC and frequency converter VFD1, it is to avoid due to frequency converter
The abnormal risks for causing lifting motor M1 high-altitudes to be dropped with single contactor failure of VFD1 output frequency converter internal relays KJ2,
Enhance the action controllability and security of piler.
Finally it should be noted that：Various embodiments above is only used to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail to the utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (3)
1. dropproof pair of protection device of a kind of piler, it is characterised in that：Including PLC, frequency converter VFD1, lifting motor
M1, rectifier ZL1, relay KJ1, frequency converter internal relay KJ2, A.C. contactor KM1 and A.C. contactor KM2, it is described
PLC is connected with the input of frequency converter VFD1, and power input and the 380V three-phase alternating currents of frequency converter VFD1 are electrically connected,
The output end of frequency converter VFD1 is connected with the power end of lifting motor M1, the coil that 24V dc sources pass through relay KJ1
KJ1.1 is connected with PLC control end Q0.5；
One end of the normally opened contact KJ2.1 of frequency converter internal relay KJ2 and one end of the normally opened contact KJ1.2 of relay KJ1
It is connected, the other end of the normally opened contact KJ1.2 of relay KJ1 is connected with one end of the coil KM2.1 of A.C. contactor KM2, hands over
The other end of the coil KM2.1 of stream contactor KM2 is connected with one end of 220V AC powers, the other end of 220V AC powers and
The other end of the normally opened contact KJ2.1 of frequency converter internal relay KJ2 is connected, and the coil KM1.1 of A.C. contactor KM1 is attempted by
The two ends of the coil KM2.1 of A.C. contactor KM2；
One end of the normally opened contact KM1.2 of the control end Z1 and A.C. contactor KM1 of the rectifier ZL1 is connected, rectifier ZL1
Control end Z2 be connected with one end of the normally opened contact KM2.2 of A.C. contactor KM2, the normally opened contact of A.C. contactor KM1
The other end of KM1.2, the other end of the normally opened contact KM2.2 of A.C. contactor KM2 and 380V three-phase alternating currents are electrically connected, rectifier
One end, the normally opened contact of A.C. contactor KM2 of the normally opened contact KM1.3 of the control end Z3 and A.C. contactor KM1 of ZL1
One end of KM2.3 is connected, the other end of the normally opened contact KM1.3 of A.C. contactor KM1, the normally opened contact of A.C. contactor KM2
The other end of KM2.3 is connected with the control end Z4 of rectifier ZL1.
2. dropproof pair of protection device of a kind of piler according to claim 1, it is characterised in that：The PLC
The first control end Q0.0 be connected with the rotating forward input IN1 of frequency converter VFD1, the second control end Q0.1 of PLC with become
The non-inverting input IN2 of frequency device VFD1 is connected, the high speed input of the 3rd control end Q0.2 and frequency converter VFD1 of PLC
IN3 is connected, and the low speed input IN4 of the 4th control end Q0.3 and frequency converter VFD1 of PLC is connected, PLC
Common port COM1 is connected with the common port COM2 of frequency converter VFD1.
3. dropproof pair of protection device of a kind of piler according to claim 1, it is characterised in that：The frequency converter VFD1
Power input be electrically connected by air switch Q1 and 380V three-phase alternating currents.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621285691.5U CN206203834U (en) | 2016-11-28 | 2016-11-28 | A kind of dropproof pair of protection device of piler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621285691.5U CN206203834U (en) | 2016-11-28 | 2016-11-28 | A kind of dropproof pair of protection device of piler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206203834U true CN206203834U (en) | 2017-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621285691.5U Active CN206203834U (en) | 2016-11-28 | 2016-11-28 | A kind of dropproof pair of protection device of piler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206203834U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654545A (en) * | 2017-10-09 | 2018-02-02 | 快意电梯股份有限公司 | Elevator main brake block abrasion detection means and detection method |
-
2016
- 2016-11-28 CN CN201621285691.5U patent/CN206203834U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654545A (en) * | 2017-10-09 | 2018-02-02 | 快意电梯股份有限公司 | Elevator main brake block abrasion detection means and detection method |
| CN107654545B (en) * | 2017-10-09 | 2023-11-24 | 快意电梯股份有限公司 | Elevator host machine brake shoe abrasion detection device and detection method |
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180718 Address after: 030027 502 Xinghua street, No. 5, 5 Xinghua street, wanBerlin District, Taiyuan, Shanxi. Patentee after: Taiyuan Yinghua Zhonglian warehousing automation equipment Co., Ltd. Address before: 030027 Xinghua Street steel building, Taiyuan, Shanxi Province, 502 Patentee before: Zhao Mingzhu |