CN200988744Y - Tower crane structure changing position limiter - Google Patents
Tower crane structure changing position limiter Download PDFInfo
- Publication number
- CN200988744Y CN200988744Y CN 200620124941 CN200620124941U CN200988744Y CN 200988744 Y CN200988744 Y CN 200988744Y CN 200620124941 CN200620124941 CN 200620124941 CN 200620124941 U CN200620124941 U CN 200620124941U CN 200988744 Y CN200988744 Y CN 200988744Y
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- input port
- singlechip
- micro controller
- controller system
- input
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Abstract
The utility model relates to a tower crane structure shifting limiter, the structure of which is that the signal output port of an angle sensor is connected with an input port of an operational amplifier, which output is connected with the first input port of a singlechip through an A/D converter; a keyboard inputting circuit is connected with the second input port of the singlechip; the first output port of the singlechip is connected with the input port of a displaying driver and a LED displaying device; the second output port of the singlechip is connected with the input port of a clock circuit; the first output port and the first input port of the singlechip are connected with the input port and the output port of an alarming and controlling circuit respectively; the second output port and the second input port of the singlechip are connected with the input port and the output port of a data memory. The utility model has the advantages that the actual shifting value of the crane structure can be detected in real time and on line and be displayed directly; the actual measuring value is input for setting and adjusting on line; the utility model also has the advantages of easily setting and inquiring, being arranged in the cab due to small volume and easy assembling, broad application, applying on each crane which has requirements on structure shifting limitation.
Description
Technical field
The utility model relates to a kind of elevator machinery safety performance control monitor unit, specifically a kind of tower type crane structure position changing limiter.
Background technology
In industries such as building, electric power, water conservancy, petrochemical industry, mine, generally need to use in a large number hoisting crane to carry out lifting, transportation, loading and unloading, especially in construction project, it is quite big to work the quantities that re-mounts, need to use crane lifting and carrying large volume, heavy weight various kinds of equipment and raw MAT'L, thereby its safety is just quite important, for this reason, country classifies elevator machinery as safety, dangerous bigger special equipment, has all formulated strict standard and state compulsory standard from being designed into production.In the national standard strict regulation has been done in the safety of hoisting crane, the various safety devices that hoisting crane should be equipped with have been stipulated, as load moment limiter, load lifting limiter, height limitator, amplitude limiting device, or the like, these safety devices play a good role to the trouble free service that guarantees hoisting crane.A but important indicator as crane safety: crane structure displacement, just in relevant standard, done technical requirements, as stipulating in the tower crane standard: under independent antenna height and standard duty, the horizontal displacement of jib root hinge must not surpass 1% of its body of the tower height.And the inspection of stipulating this index generally is to detect with theodolite when the hoisting crane production-type test.Can't onlinely detect when the actual use of hoisting crane, uncontrollable behind crane structure displacement index exceeding standard, this all brings very big hidden danger to chaufeur and weight-lifting equipment itself.In actual use, because of operating against regulations and simple economic pursuit benefit does not consider that the situation of the equipment work limit happens occasionally, and this just is easy to cause hoisting crane to collapse and personal casualty, and great industrial accident happens occasionally.Therefore, invent a kind of tower type crane structure position changing limiter, just seem very urgent in the hoisting crane industry.
Summary of the invention
The purpose of this utility model is exactly at the problem that presses for solution in the prior art, a kind of tower type crane structure position changing limiter is proposed, pass through tower type crane structure position changing limiter, play the effect that prevention tower crane complete machine topples, effectively ensure hoisting crane and operating personnel's life security.
Technical solution of the present utility model: its structure is that angular transducer links to each other with the amplifier treater, the amplifier treater links to each other with the A/D change-over circuit input port of micro controller system, micro controller system links to each other with display driver and LED read out instrument respectively, link to each other with data memory, link to each other with clock circuit, link to each other with alarm control circuit, described display driver circuit links to each other with light-emitting diode display and button inputting circuits; Angular transducer is sent the analog signals that records into the amplifier treater, after the amplifier treater amplifies, send into the A/D change-over circuit and convert digital quantity to, send in the micro controller system, micro controller system obtains the crane structure displacement with this digital quantity signal by the math modeling processing under the control of program, calculate with the data memory setting value, after contrast is handled, respectively to display driver circuit that is attached thereto and warning circuit, hoisting crane control loop output display data and control data, display driver circuit drives charactron and shows, the peak value that records is preserved, can preserve 16 groups of maxims, have " black box " function, help investigating of accident.Button inputting circuits is used for the setting of parameter, imports according to online actual measured value and sets and proofread and correct.
Described angular transducer is sent the analog signals that records into discharge circuit, after discharge circuit amplifies, send into the A/D change-over circuit and convert digital quantity to, send in the micro controller system, micro controller system obtains the crane structure displacement with this digital quantity signal by the math modeling processing under the control of program.
Resulting crane structure displacement data and data storage circuitry setting value calculate, contrast processing after, to the display driver circuit that is attached thereto and warning circuit, hoisting crane control loop output display data and control data, display driver circuit drives charactron and shows respectively.
The crane structure displacement peak value that records is preserved, can be preserved many group maxims, have " black box " function, help investigating of accident.
Import setting and correction according to online actual measured value.
Advantage of the present utility model:
1, the actual value of real-time, the online detection crane structure of energy displacement and directly perceived the demonstration;
2, the utility model can onlinely be imported by actual measured value and set and proofread and correct.
3, can preserve the peak value that records, can preserve many group maxims, have " black box " function, help investigating of accident.
4, have the keypad operation function, realize man machine communication, the convenient setting and inquiry.
5, volume is little, and is easy for installation, can be installed in the operator's compartment.
6, applied widely, applicable to all kinds of hoisting cranes to the restricted requirement of displacement structure.
Description of drawings
Accompanying drawing 1 is a functional block diagram of the present utility model.
Accompanying drawing 2 is electrical schematic diagrams of the utility model embodiment.
The specific embodiment
Contrast Fig. 1, its structure is that the signal output part of angular transducer and the input end of amplifier treater join; The mouth of amplifier treater joins by the first input end of A/D converter and micro controller system, and button inputting circuits connects second input end of micro controller system, the first output termination display driver of micro controller system and the input end of LED read out instrument; The input end of the second output termination clock circuit of micro controller system; First of micro controller system exports/goes into that termination is reported to the police and the input of control circuit/go out end, and the input of termination data memory/go out end is exported/gone into to second of micro controller system.
Claims (1)
1, tower type crane structure position changing limiter is characterized in that the signal output part of angular transducer and the input end of amplifier treater join; The mouth of amplifier treater joins by the first input end of A/D converter and micro controller system, and button inputting circuits connects second input end of micro controller system, the first output termination display driver of micro controller system and the input end of LED read out instrument; The input end of the second output termination clock circuit of micro controller system; First of micro controller system exports/goes into that termination is reported to the police and the input of control circuit/go out end, and the input of termination data memory/go out end is exported/gone into to second of micro controller system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620124941 CN200988744Y (en) | 2006-11-06 | 2006-11-06 | Tower crane structure changing position limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620124941 CN200988744Y (en) | 2006-11-06 | 2006-11-06 | Tower crane structure changing position limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200988744Y true CN200988744Y (en) | 2007-12-12 |
Family
ID=38939785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620124941 Expired - Fee Related CN200988744Y (en) | 2006-11-06 | 2006-11-06 | Tower crane structure changing position limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200988744Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101279695B (en) * | 2008-05-29 | 2010-06-16 | 湖南三一起重机械有限公司 | Telescopic jib in situ signal generator, length corrective system and engineering machinery |
| CN102556864A (en) * | 2011-12-31 | 2012-07-11 | 浙江德英建设机械制造有限公司 | Pre-warning device for safety inspection to tower body of tower crane |
-
2006
- 2006-11-06 CN CN 200620124941 patent/CN200988744Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101279695B (en) * | 2008-05-29 | 2010-06-16 | 湖南三一起重机械有限公司 | Telescopic jib in situ signal generator, length corrective system and engineering machinery |
| CN102556864A (en) * | 2011-12-31 | 2012-07-11 | 浙江德英建设机械制造有限公司 | Pre-warning device for safety inspection to tower body of 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: 20071212 Termination date: 20121106 |