CN203877722U - Anti-explosion crane with power failure magnetism protecting function - Google Patents
Anti-explosion crane with power failure magnetism protecting function Download PDFInfo
- Publication number
- CN203877722U CN203877722U CN201420267922.4U CN201420267922U CN203877722U CN 203877722 U CN203877722 U CN 203877722U CN 201420267922 U CN201420267922 U CN 201420267922U CN 203877722 U CN203877722 U CN 203877722U
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- explosion
- crane
- proof
- power supply
- power
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Abstract
The utility model discloses an anti-explosion crane with power failure magnetism protecting function. The crane is characterized in that an electromagnetic chuck is arranged on the anti-explosion crane, a power supply terminal of the electromagnetic chuck is connected with an accumulator through a main lifting brake and an inverter in order; a power terminal of the anti-explosion crane is connected with a 380V alternating-current power supply through an isolation box; the power supply terminal of the electromagnetic chuck is connected with the 380V AC power supply, and electromagnetic materials are carried by utilizing the electromagnetic chuck. Therefore, when the power supply circuit is in normal, the 380V AC power supply is used for supplying power for the working of the electromagnetic chuck, when the power supply part of the anti-explosion crane is in failure, the electromagnetic chuck can maintain the magnetism protecting function for a certain time with the help of the accumulator, and a certain time guarantee is provided for maintaining the safe failure of the anti-explosion crane.
Description
Technical field
The utility model relates to and belongs to hoisting crane technical field, particularly relates to a kind of explosion-proof crane with power failure protector magnetic function.
Background technology
In recent years, along with the fast development of China's economy, machine industry development is with rapid changepl. never-ending changes and improvements, and the field of employment of hoisting crane is more and more universal; Wherein, explosion-proof crane is as a large class in hoisting crane, because its working environment is more special, ambient environment more complicated, therefore, what people became the demand for security of explosion-proof crane is more and more stronger, as everyone knows, traditional explosion-proof crane comprises: explosion-proof cart, explosion-proof dolly, Power Drive Unit etc., in some special screnes, such as the situation of power-off suddenly occurs explosion-proof crane in the process of work, now, the dangerous event that the object in stroke very easily drops occurs.Therefore, design and develop the explosion-proof crane with power failure protector magnetic function that a kind of safety factor is high and seem particularly important.
Utility model content
The technical problems to be solved in the utility model is: the explosion-proof crane with power failure protector magnetic function that a kind of safety factor is high is provided.
The technical scheme that the utility model is taked for the technical matters existing in solution known technology is:
A kind of explosion-proof crane with power failure protector magnetic function, described explosion-proof crane is overhead explosion-proof crane, it is characterized in that: on described explosion-proof crane, be provided with magnetic chuck, the power supply terminal of described magnetic chuck is connected with storage battery by main hoist brake, inverter successively; The terminals for power supplies of described explosion-proof crane is connected with the source of AC of 380V by disconnector case; The power supply terminal of described magnetic chuck is connected with the source of AC of described 380V.
As optimal technical scheme, the utility model has also adopted following technical scheme:
On described explosion-proof crane, be provided with explosion-proof large vehicle controller and carry out with described explosion-proof large vehicle controller the explosion-proof remote controller that communicating wireless signals is used, in described explosion-proof large vehicle controller, be provided with the wireless signal receiver that receives described explosion-proof remote controller signal.
Advantage and the good effect that the utlity model has are: by adopting technique scheme, the utility model can utilize magnetic chuck to realize the carrying to electro permanent magnetic material, meanwhile, the power supply terminal due to magnetic chuck is connected with storage battery by main hoist brake, inverter successively; The power supply terminal of described magnetic chuck is connected with the source of AC of described 380V, therefore when feed circuit are normal, magnetic chuck is worked by the ac power supply of 380V, when the power pack et out of order of explosion-proof crane, magnetic chuck can maintain guarantor's magnetic function of certain hour under the help of storage battery, for the safety failure maintenance of explosion-proof crane provides the regular hour to guarantee.Secondly, because the utility model has increased explosion-proof remote controller and wireless signal receiver on explosion-proof crane, therefore for some Code in Hazardous Special Locations, in pernicious gas or fire gases, staff can realize the remote operation to explosion-proof crane.
Accompanying drawing explanation
Fig. 1 is the control principle drawing of the utility model explosion-proof crane.
The specific embodiment
For further understanding summary of the invention of the present utility model, Characteristic, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1, a kind of explosion-proof crane with power failure protector magnetic function, described explosion-proof crane is overhead explosion-proof crane, described explosion-proof crane comprises explosion-proof dolly and explosion-proof cart, on described explosion-proof crane, be provided with magnetic chuck, the power supply terminal of described magnetic chuck is connected with storage battery by main hoist brake, inverter successively; The terminals for power supplies of described explosion-proof crane is connected with the source of AC of 380V by disconnector case; The power supply terminal of described magnetic chuck is connected with the source of AC of described 380V; On described explosion-proof dolly, be provided with the anti-explosion cable reel of magnetic chuck power supply use,
As preferably, on the basis of above-mentioned specific embodiment, on above-mentioned explosion-proof crane, be provided with explosion-proof large vehicle controller and carry out with described explosion-proof large vehicle controller the explosion-proof remote controller that communicating wireless signals is used, in described explosion-proof large vehicle controller, be provided with the wireless signal receiver that receives described explosion-proof remote controller signal.Like this, when explosion-proof crane works in (such as noxious gas or flammable explosive gas) in dangerous working environment, staff just can realize the Long-distance Control to explosion-proof crane.
Control principle of the present utility model is: the power supply of explosion-proof crane is through the Q01 power supply in disconnector case, the power supply of magnetic chuck is without disconnector case Q01, but power separately at the front end of disconnector case, the power-off of being out of order of the circuit of explosion-proof crane does not affect the feed circuit of magnetic chuck like this.Unless feed circuit are out of order, just can affect the power supply of the circuit of magnetic chuck, guarantee that like this magnetic chuck has electricity at any time.
The control of explosion-proof crane is such, presses the startup control button of explosion-proof remote controller, and wireless signal receiver is received after remote signal, the general supply contact of first closed remote controller, and now total contactless switch KO line bag adhesive, KO main contact is closed.Major loop obtains electric, now according to job requirement, can with remote controller, press the liter of lifting mechanism at any time again, falls; Before explosion-proof cart, after; A left side for explosion-proof dolly, right operation; The suction of magnetic chuck, blowing.Wireless signal receiver is received after remote signal, the corresponding closing of contact, and the contactless coil of corresponding mechanism obtains electric, corresponding main contact closure so, and such as the main contact of main lifting motor K13 or K23 is closed, main lifting motor obtains electric so.Lifting mechanism has just carried out work by required job requirement.The principle of work of each mechanism (explosion-proof large mechanism of car, explosion-proof trolley body, magnetic chuck suction) herewith.
During explosion-proof cart operation, K21 or K11 adhesive, K21 or K11 adhesive signal are inputed to magnetic chuck control housing, and magnetic chuck internal control system is chain with the suction blowing action of sucker driving action, has increased like this safety of magnetic chuck hoisting crane.During suction blowing, guaranteed that explosion-proof cart is failure to actuate.
When the unexpected power-off of hoisting crane, magnetic chuck has power failure protector magnetic function, can guarantee that inhaled object sticking state does not fall at least two ten minutes.The electric energy of battery pack by charging and save bit by bit at ordinary times, by inverter cabinet device, becoming alternating current powers to the main drg band-type brake hoisting, the souvenir case of drawing by magnetic chuck control housing is controlled the crawl adhesive of the main band-type brake that hoists, bit by bit control the main band-type brake that hoists and open and close, load that main hoisting mechanism hangs just can be safe like this is put into ground.
Above embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variations of doing according to the utility model application range and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (2)
1. the explosion-proof crane with power failure protector magnetic function, described explosion-proof crane is overhead explosion-proof crane, it is characterized in that: on described explosion-proof crane, be provided with magnetic chuck, the power supply terminal of described magnetic chuck is connected with storage battery by main hoist brake, inverter successively; The terminals for power supplies of described explosion-proof crane is connected with the source of AC of 380V by disconnector case; The power supply terminal of described magnetic chuck is connected with the source of AC of described 380V.
2. the explosion-proof crane with power failure protector magnetic function according to claim 1, it is characterized in that: on described explosion-proof crane, be provided with explosion-proof large vehicle controller and carry out with described explosion-proof large vehicle controller the explosion-proof remote controller that communicating wireless signals is used, in described explosion-proof large vehicle controller, be provided with the wireless signal receiver that receives described explosion-proof remote controller signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420267922.4U CN203877722U (en) | 2014-05-23 | 2014-05-23 | Anti-explosion crane with power failure magnetism protecting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420267922.4U CN203877722U (en) | 2014-05-23 | 2014-05-23 | Anti-explosion crane with power failure magnetism protecting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203877722U true CN203877722U (en) | 2014-10-15 |
Family
ID=51678249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420267922.4U Expired - Fee Related CN203877722U (en) | 2014-05-23 | 2014-05-23 | Anti-explosion crane with power failure magnetism protecting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203877722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964293A (en) * | 2014-05-23 | 2014-08-06 | 天津起重设备有限公司 | Explosion-proof crane capable of keeping electromagnetism in power failure |
-
2014
- 2014-05-23 CN CN201420267922.4U patent/CN203877722U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103964293A (en) * | 2014-05-23 | 2014-08-06 | 天津起重设备有限公司 | Explosion-proof crane capable of keeping electromagnetism in power failure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20170523 |