CN105417388B - A kind of system and device for crane loss of excitation loss protecting - Google Patents
A kind of system and device for crane loss of excitation loss protecting Download PDFInfo
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- CN105417388B CN105417388B CN201510869961.0A CN201510869961A CN105417388B CN 105417388 B CN105417388 B CN 105417388B CN 201510869961 A CN201510869961 A CN 201510869961A CN 105417388 B CN105417388 B CN 105417388B
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- Prior art keywords
- loss
- excitation
- protecting
- voltage
- electric current
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/08—Electrical assemblies or electrical control devices for cranes, winches, capstans or electrical hoists
- B66C2700/084—Protection measures
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention discloses a kind of system and device for crane loss of excitation loss protecting; it is related to electromagnetic lifter field; the system includes main hoisting system, and main hoisting system includes jack machinism, electrical control mechanism, motor mechanism, protection mechanism, contracting brake mechanism and loss of excitation loss protecting mechanism；Loss of excitation loss protecting mechanism is connected with motor mechanism, contracting brake mechanism；Electrical control mechanism is used for power supply folding and jack machinism, the operating rate of contracting brake mechanism for controlling lifting owner's hoisting system；Motor mechanism is used to convert electrical energy into magnetic force；Contracting brake mechanism is used in the case where main hoist system is in static and unexpected dead electricity；Jack machinism is used for hoisting heavy；Loss of excitation loss protecting mechanism is used to, in the case where main hoist system is in operation and suddenly dead electricity loss of excitation, safety arrestment is carried out to main hoist system.The present invention can avoid main raising hanging cupboard stalled glide or slip hook, relatively safety.
Description
Technical field
The present invention relates to electromagnetic lifter field, and in particular to a kind of system and dress for crane loss of excitation loss protecting
Put.
Background technology
Crane generally includes main hoisting system, cart system and cart system, traditional lifting owner's hoisting system bag
Contracting brake mechanism, electrical control mechanism, motor mechanism, safety protection mechanism are included, contracting brake mechanism is made up of work lock and emergency lock, work lock
Coordinate the brakes of electric-control system action for the normal raising of crane or during declining, emergency lock is in order to ensure department of electrical engineering
When stall occurs for system loss of excitation or electric-control system failure conditions, it is ensured that the mechanism of main raising suspension hook operation safety, it can avoid leading
Hook is slipped in the stalled glide of hanging hook.
Electromagnetic lifter is a kind of straight drive mode of use permagnetic synchronous motor outer rotor reel, when there is electric system mistake
The situation of magnetic, electric-control system failure or work lock failure, main raising suspension hook understands stalled glide or slips hook, causes security incident to be sent out
It is raw, than relatively hazardous.
The content of the invention
For defect present in prior art, it is used for crane loss of excitation dead electricity it is an object of the invention to provide one kind and protects
The system and device of shield, can avoid main raising hanging cupboard stalled glide or slip hook, relatively safety.
To achieve the above objectives, the present invention is adopted the technical scheme that：It is a kind of to be for crane loss of excitation loss protecting
System, including main hoisting system, the main hoisting system include jack machinism, electrical control mechanism, motor mechanism, protection mechanism, band-type brake
Mechanism and loss of excitation loss protecting mechanism；
The electrical control mechanism, motor mechanism, protection mechanism and contracting brake mechanism, loss of excitation loss protecting mechanism are and jack machinism
Connect, and the loss of excitation loss protecting mechanism is connected with motor mechanism, contracting brake mechanism；
The electrical control mechanism is used for power supply folding and jack machinism, the fortune of contracting brake mechanism for controlling lifting owner's hoisting system
Scanning frequency rate；
The motor mechanism is used to convert electrical energy into magnetic force；
The protection mechanism is used to protect the stroke of suspension hook, weight and overload；
The contracting brake mechanism is used to, in the case where main hoist system is in static and unexpected dead electricity, prevent main hoist system
Operation；
The jack machinism is used for hoisting heavy；
The loss of excitation loss protecting mechanism is used in the case where main hoist system is in operation and suddenly dead electricity loss of excitation, right
Main hoist system carries out safety arrestment.
Further, the loss of excitation loss protecting mechanism includes motor internal and working line, external power supply, rectifying and wave-filtering
Device, voltage, electric current monitor, data-analyzing machine, controlling switch and deadman's brake, the external power supply are electrically connected with working line
Connect, the motor internal is by rectifier filter, and the voltage, electric current monitor are electrically connected with working line, and the voltage,
Electric current monitor is in parallel with rectifier filter, and data-analyzing machine and controlling switch are electrically connected with working line, and the voltage,
Electric current monitor, data-analyzing machine, controlling switch and deadman's brake are sequentially electrically connected.
Further, the rectifier filter includes a rectifier and a wave filter, the rectifier and filters in series.
Further, the wave filter includes inductor and capacitor.
Further, the voltage, electric current monitor include at least one electric current monitor and at least one voltage monitoring
Device, the electric current monitor is connected with voltage monitor.
A kind of device for crane loss of excitation loss protecting, including main hoisting mechanism, the main hoisting mechanism include
Refitting is put, electric control gear, electric machine, protection device, band brake apparatus and loss of excitation loss protecting device；
Electric control gear, electric machine, protection device and band brake apparatus, loss of excitation loss protecting device connect with hoisting apparatus
Connect, and loss of excitation loss protecting device is connected with electric machine；
Electric control gear is used for the power supply folding for controlling main hoisting mechanism of crane and hoisting apparatus, the operation speed of band brake apparatus
Rate；
Electric machine is used to convert electrical energy into magnetic force；
Jack machinism is used for hoisting heavy；
Protection device is used to protect the stroke of suspension hook, weight and overload；
Band brake apparatus is used to, in the case where main hoist system is in static and unexpected dead electricity, prevent main hoist system from transporting
OK；
Loss of excitation loss protecting device is used to, in the case where main hoist system is in operation and suddenly dead electricity loss of excitation, carry master
The system of liter carries out safety arrestment, and the loss of excitation loss protecting device includes an emergency lock, and the emergency lock loses for electric system
When magnetic or electric-control system failure, jack machinism is set to keep current state.
Further, the loss of excitation loss protecting mechanism includes motor internal and working line, external power supply, rectifying and wave-filtering
Device, voltage, electric current monitor, data-analyzing machine, controlling switch and deadman's brake, the external power supply are electrically connected with working line
Connect, the motor internal is by rectifier filter, and the voltage, electric current monitor are electrically connected with working line, and the voltage,
Electric current monitor is in parallel with rectifier filter, and data-analyzing machine and controlling switch are electrically connected with working line, and the voltage,
Electric current monitor, data-analyzing machine, controlling switch and deadman's brake are sequentially electrically connected.
Compared with prior art, the advantage of the invention is that：
(1) it is used for the system of crane loss of excitation loss protecting in the present invention, including loss of excitation loss protecting mechanism is used in master
In the case that lifting system is in operation and suddenly dead electricity loss of excitation, safety arrestment is carried out to main hoist system, it is to avoid led hanging
Hook is slipped in hook meeting stalled glide, prevents accident, relatively safety.
(2) be used for the device of crane loss of excitation loss protecting in the present invention, the output voltage of motor internal for two-phase or
Three-phase, after its output voltage is by rectifier filter, is powered to working line as stable voltage, can save electricity
Source.
After working line in the present invention is started working, voltage, the electric current monitor being connected with working line, data analysis
Device and controlling switch are powered and worked, and voltage, electric current monitor start and monitor the output voltage of motor internal, electric current, and will
Monitoring result occurs, to data-analyzing machine, data-analyzing machine research and application result, when judging motor internal as stable state, to make control
System switch closure, meanwhile, deadman's brake is started working, and electromagnetic lifter enters normal work；In data-analyzing machine judges
When portion's motor status are unstable, open controlling switch, deadman's brake carries out safety arrestment, it is to avoid power-off causes loss of excitation suddenly
The danger brought, safer when using, and voltage, electric current monitor, the cost of data-analyzing machine and controlling switch is relatively low,
Loss caused by dead electricity loss of excitation can be avoided in time, reduce use cost.
Brief description of the drawings
Fig. 1 be the embodiment of the present invention in be used for crane loss of excitation loss protecting system structural representation；
Fig. 2 be the embodiment of the present invention in be used for crane loss of excitation loss protecting device structural representation.
1- motor internals, 2- rectifier filters, 3- external power supplys, 4- working lines, 5- voltages, electric current monitor, 6- numbers
According to analyzer, 7- controlling switches, 8- deadman's brakes.
Embodiment
Embodiments of the invention are described in further detail below in conjunction with accompanying drawing.
Shown in Figure 1, the embodiment of the present invention provides a kind of system for crane loss of excitation loss protecting, including leads
The system of liter, the system includes jack machinism, electrical control mechanism, motor mechanism, protection mechanism, contracting brake mechanism and loss of excitation loss protecting machine
Structure.
Electrical control mechanism, motor mechanism, protection mechanism and contracting brake mechanism, loss of excitation loss protecting mechanism connect with jack machinism
Connect, and loss of excitation loss protecting mechanism is connected with motor mechanism.
Electrical control mechanism is used for the power supply folding for controlling lifting owner's hoisting system and jack machinism, the operation speed of contracting brake mechanism
Rate.
Motor mechanism is used to convert electrical energy into magnetic force so that iron charge can be drawn and be shifted to main hoist system.
Protection mechanism is used to protect the stroke of suspension hook, weight and overload.
Contracting brake mechanism is used to, in the case where main hoist system is in static and unexpected dead electricity, prevent main hoist system from transporting
OK.
Jack machinism is used for hoisting heavy.
Loss of excitation loss protecting mechanism is used to, in the case where main hoist system is in operation and suddenly dead electricity loss of excitation, carry master
The system of liter carries out safety arrestment.
Loss of excitation loss protecting mechanism in the embodiment of the present invention, including it is motor internal 1, working line 4, external power supply 3, whole
Flow wave filter 2, voltage, electric current monitor 5, data-analyzing machine 6, controlling switch 7 and deadman's brake 8, external power supply 3 and work
Circuit 4 is electrically connected, and motor internal 1 is electrically connected by rectifier filter 2, voltage, electric current monitor 5 with working line 4, and electricity
Pressure, electric current monitor 5 are in parallel with rectifier filter 2, and data-analyzing machine 6 and controlling switch 7 are electrically connected with working line 4, and
Voltage, electric current monitor 5, the data of data-analyzing machine 6, controlling switch 7 and deadman's brake 8 are sequentially electrically connected.
Rectifier filter 2 includes a rectifier and a wave filter, rectifier and filters in series, and wave filter includes inductor
And capacitor；Voltage, electric current monitor 5 include at least one electric current monitor and at least one voltage monitor, current monitoring
Device is connected with voltage monitor.
The present invention also provides a kind of device for crane loss of excitation loss protecting, and the device includes main hoisting mechanism, rises
Heavy-duty machine main hoisting mechanism includes hoisting apparatus, electric control gear, electric machine, protection device, band brake apparatus and loss of excitation loss protecting
Device.
Electric control gear, electric machine, protection device and band brake apparatus, loss of excitation loss protecting device connect with hoisting apparatus
Connect, and loss of excitation loss protecting device is connected with electric machine.
Electric control gear is used for the power supply folding for controlling main hoisting mechanism of crane and hoisting apparatus, the operation speed of band brake apparatus
Rate.
Electric machine is used to convert electrical energy into magnetic force so that iron charge can be drawn and be shifted to main hoist system.
Jack machinism is used for hoisting heavy.
Protection device is used to protect the stroke of suspension hook, weight and overload.
Band brake apparatus is used to, in the case where main hoist system is in static and unexpected dead electricity, prevent main hoist system from transporting
OK.
Loss of excitation loss protecting device is used to, in the case where main hoist system is in operation and suddenly dead electricity loss of excitation, carry master
The system of liter carries out safety arrestment.The loss of excitation loss protecting device includes an emergency lock, and the emergency lock loses for electric system
When magnetic or electric-control system failure, jack machinism is set to keep current state.
Loss of excitation loss protecting device, including motor internal 1, working line 4, external power supply 3, rectifier filter 2, voltage,
Electric current monitor 5, data-analyzing machine 6, controlling switch 7 and deadman's brake 8, external power supply 3 is electrically connected with working line 4, interior
Portion's motor 1 is electrically connected by rectifier filter 2, voltage, electric current monitor 5 with working line 4, and voltage, electric current monitor 5 with
Rectifier filter 2 is in parallel, and data-analyzing machine 6 and controlling switch 7 are electrically connected with working line 4, and voltage, electric current monitor 5,
The data of data-analyzing machine 6, controlling switch 7 and deadman's brake 8 are sequentially electrically connected.
The present invention is not only limited to above-mentioned preferred forms, and anyone can draw other under the enlightenment of the present invention
Various forms of products, however, make any change in its shape or structure, it is every with same or like seemingly with the present invention
Technical scheme, within its protection domain.
Claims (5)
1. a kind of system for crane loss of excitation loss protecting, including main hoisting system, it is characterised in that：The main raising system
System includes jack machinism, electrical control mechanism, motor mechanism, protection mechanism, contracting brake mechanism and loss of excitation loss protecting mechanism；
The electrical control mechanism, motor mechanism, protection mechanism and contracting brake mechanism, loss of excitation loss protecting mechanism connect with jack machinism
Connect, and the loss of excitation loss protecting mechanism is connected with motor mechanism, contracting brake mechanism；
The electrical control mechanism is used for the power supply folding for controlling lifting owner's hoisting system and jack machinism, the operation speed of contracting brake mechanism
Rate；
The motor mechanism is used to convert electrical energy into magnetic force；
The protection mechanism is used to protect the stroke of suspension hook, weight and overload；
The contracting brake mechanism is used to, in the case where main hoist system is in static and unexpected dead electricity, prevent main hoist system from transporting
OK；
The jack machinism is used for hoisting heavy；
The loss of excitation loss protecting mechanism is used to, in the case where main hoist system is in operation and suddenly dead electricity loss of excitation, carry master
The system of liter carries out safety arrestment；
The loss of excitation loss protecting mechanism includes motor internal (1) and working line (4), external power supply (3), rectifier filter
(2), voltage, electric current monitor (5), data-analyzing machine (6), controlling switch (7) and deadman's brake (8), the external power supply
(3) electrically connected with working line (4), the motor internal (1) passes through rectifier filter (2), the voltage, electric current monitor
(5) electrically connected with working line (4), and the voltage, electric current monitor (5) are in parallel with rectifier filter (2), data-analyzing machine
(6) electrically connected with controlling switch (7) with working line (4), and the voltage, electric current monitor (5), data-analyzing machine (6),
Controlling switch (7) and deadman's brake (8) are sequentially electrically connected.
2. it is used for the system of crane loss of excitation loss protecting as claimed in claim 1, it is characterised in that：The rectifier filter
(2) rectifier and a wave filter, the rectifier and filters in series are included.
3. it is used for the system of crane loss of excitation loss protecting as claimed in claim 1, it is characterised in that：The wave filter includes
Inductor and capacitor.
4. it is used for the system of crane loss of excitation loss protecting as claimed in claim 1, it is characterised in that：The voltage, electric current
Monitor (5) includes at least one electric current monitor and at least one voltage monitor, the electric current monitor and voltage monitoring
Device is connected.
5. a kind of device for crane loss of excitation loss protecting, including main hoisting mechanism, it is characterised in that：The main lifting machine
Structure includes hoisting apparatus, electric control gear, electric machine, protection device, band brake apparatus and loss of excitation loss protecting device；
Electric control gear, electric machine, protection device and band brake apparatus, loss of excitation loss protecting device are connected with hoisting apparatus, and
Loss of excitation loss protecting device is connected with electric machine；
Electric control gear is used for power supply folding and hoisting apparatus, the operating rate of band brake apparatus for controlling main hoisting mechanism of crane；
Electric machine is used to convert electrical energy into magnetic force；
Jack machinism is used for hoisting heavy；
Protection device is used to protect the stroke of suspension hook, weight and overload；
Band brake apparatus is used to, in the case where main hoist system is in static and unexpected dead electricity, prevent main hoist system from running；
Loss of excitation loss protecting device is used for
System carry out safety arrestment, the loss of excitation loss protecting device include an emergency lock, the emergency lock be used for electric system loss of excitation or
When electric-control system fails, jack machinism is set to keep current state；
The loss of excitation loss protecting mechanism includes motor internal (1) and working line (4), external power supply (3), rectifier filter
(2), voltage, electric current monitor (5), data-analyzing machine (6), controlling switch (7) and deadman's brake (8), the external power supply
(3) electrically connected with working line (4), the motor internal (1) passes through rectifier filter (2), the voltage, electric current monitor
(5) electrically connected with working line (4), and the voltage, electric current monitor (5) are in parallel with rectifier filter (2), data-analyzing machine
(6) electrically connected with controlling switch (7) with working line (4), and the voltage, electric current monitor (5), data-analyzing machine (6),
Controlling switch (7) and deadman's brake (8) are sequentially electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510869961.0A CN105417388B (en) | 2015-12-01 | 2015-12-01 | A kind of system and device for crane loss of excitation loss protecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510869961.0A CN105417388B (en) | 2015-12-01 | 2015-12-01 | A kind of system and device for crane loss of excitation loss protecting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105417388A CN105417388A (en) | 2016-03-23 |
| CN105417388B true CN105417388B (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510869961.0A Active CN105417388B (en) | 2015-12-01 | 2015-12-01 | A kind of system and device for crane loss of excitation loss protecting |
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| CN (1) | CN105417388B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109399484B (en) * | 2018-11-20 | 2021-01-19 | 日立楼宇技术（广州）有限公司 | Brake control device and method |
| CN113682972B (en) * | 2020-03-06 | 2023-09-08 | 杭州国电大力机电工程有限公司 | Control method for hook slipping prevention protection of cable machine lifting mechanism and cable machine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100752317B1 (en) * | 2001-10-23 | 2007-08-29 | 주식회사 포스코 | an emergency braking device for hoisting drum of an overhead travelling crane |
| CN201071258Y (en) * | 2006-11-30 | 2008-06-11 | 蔡秀山 | Hook slide preventing crane |
| CN201212009Y (en) * | 2008-03-13 | 2009-03-25 | 武汉钢铁(集团)公司 | Main rolling lifting mechanism control panel for overhead traveling crane |
| CN201501743U (en) * | 2009-09-21 | 2010-06-09 | 宝山钢铁股份有限公司 | Control device for crane anti-skid hook |
| CN102320532B (en) * | 2011-06-22 | 2013-06-12 | 常熟开关制造有限公司(原常熟开关厂） | Control method for preventing hook from slipping when electric hoist stops |
| CN203602250U (en) * | 2013-10-28 | 2014-05-21 | 海普康（扬州）自动化技术有限公司 | Power-loss protection system of hoisting equipment |
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| Publication number | Publication date |
|---|---|
| CN105417388A (en) | 2016-03-23 |
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Address after: 430050 No. 1 Yangxin Road, Hanyang District, Wuhan City, Hubei Province Patentee after: Wuhan Electrical Science Research Institute Co., Ltd. Address before: 430050 No. 1 Yangxin Road, Hanyang District, Wuhan City, Hubei Province Patentee before: Wuhan Institute of Computer Peripherals |
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