CN201587827U - Main and auxiliary hoisting height position-limiting control device of straight boom portal crane - Google Patents
Main and auxiliary hoisting height position-limiting control device of straight boom portal crane Download PDFInfo
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- CN201587827U CN201587827U CN 200920299653 CN200920299653U CN201587827U CN 201587827 U CN201587827 U CN 201587827U CN 200920299653 CN200920299653 CN 200920299653 CN 200920299653 U CN200920299653 U CN 200920299653U CN 201587827 U CN201587827 U CN 201587827U
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- hoisting
- height
- hoists
- frequency converter
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Abstract
The utility model relates to a main and auxiliary hoisting height position-limiting control device of a straight boom portal crane, which comprises a hoisting frequency converter, a hoisting motor, a hoisting steel wire rope winding drum of main and auxiliary hoisting mechanisms, a PLC controller and an amplitude controller, wherein the hoisting frequency converter is connected with the hoisting motor, a photoelectric encoder is arranged on the hoisting motor, the photoelectric encoder is connected with the hoisting frequency converter, the output end of the hoisting motor is connected with the hoisting steel wire rope winding drum, height cam limit switches are arranged on the hoisting steel wire rope winding drum, and the device is characterized in that the height cam limit switches are divided into two groups, one group is to realize the position limitation at the height of 85 m, the other group is to realize the position limitation at the height of 110 m, the height cam limit switches and the amplitude controller are connected with the PLC controller, and the PLC controller is connected with the hoisting frequency converter. When the amplitude is greater than 81 m, the position limitation at the height of 85 m of the main and auxiliary hoisting mechanisms plays the action; and when the amplitude is less than 81 m, the position limitation at the height of 110 m is put into working.
Description
(1) technical field
The utility model relates to a kind of straight-arm frame high pedestal jib crane, is specifically related to a kind of straight-arm frame high pedestal jib crane major-minor lifting altitude limit control.Be used to belong to the elevator machinery technical field.
(2) background technology
Straight-arm frame high pedestal jib crane lifting mechanism height is spacing, mainly is to realize controlling by the limitation in height cam limit switch that is installed on the lifting mechanism cable drum.Be used for the straight-arm frame high pedestal jib crane that the ocean engineering fitting-out quay uses, maximum load-carrying ability is 200 tons, and the maximum operation radius is 105 meters, and maximum height of lift reaches 110 meters.According to requirements, lifting altitude is 85 meters at operating radius during greater than 81 meters amplitudes; Lifting altitude is 110 meters at operating radius during less than 81 meters amplitudes.How to realize this requirement, in design in the past, do not have controlling schemes.
(3) summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, it is 85 meters at operating radius during greater than 81 meters amplitudes that a kind of lifting altitude that can realize is provided, and lifting altitude is the straight-arm frame high pedestal jib crane major-minor lifting altitude limit control of 110 meters requirements at operating radius during less than 81 meters amplitudes.
The purpose of this utility model is achieved in that a kind of straight-arm frame high pedestal jib crane major-minor lifting altitude limit control, comprise the frequency converter that hoists, electrical motor hoists, main, the hoist rope reel of auxiliary hoisting mechanism, PLC controller and amplitude controller, the described frequency converter that hoists links to each other with the electrical motor that hoists, the electrical motor that hoists is provided with photoelectric encoder, this photoelectric encoder links to each other with the frequency converter that hoists, the described motor output end that hoists links to each other with the hoist rope reel, this hoist rope reel is provided with the height cam limit switch, described height cam limit switch is divided into two groups, one group is the spacing of 85 meters height, one group is the spacing of 110 meters height, described height cam limit switch all links to each other with the PLC controller with amplitude controller, and the PLC controller links to each other with the frequency converter that hoists.
The beneficial effects of the utility model are:
The utility model is by being divided into two groups with the cover of one on the hoist rope reel of major and minor lifting mechanism cam activated switch, by improvement to amplitude controller, when amplitude during greater than 81 meters, one group of magnitude switch amount signal is provided, make 85 meters highly spacing working of major and minor lifting mechanism; When amplitude during less than 81 meters, one group of magnitude switch amount signal is provided, 85 meters of the major and minor lifting mechanism of bypass are highly spacing, make the spacing of 110 meters height devote oneself to work.
(4) description of drawings
Fig. 1 is the utility model straight-arm frame high pedestal jib crane major-minor lifting altitude limit control scheme drawing.
(5) specific embodiment
Referring to Fig. 1, Fig. 1 is the utility model straight-arm frame high pedestal jib crane major-minor lifting altitude limit control scheme drawing.As seen from Figure 1, the utility model straight-arm frame high pedestal jib crane major-minor lifting altitude limit control, comprise the frequency converter that hoists, electrical motor hoists, main, the hoist rope reel of auxiliary hoisting mechanism, PLC controller and amplitude controller, the described frequency converter that hoists links to each other with the electrical motor that hoists, the electrical motor that hoists is provided with photoelectric encoder, photoelectric encoder links to each other with the frequency converter that hoists, the described motor output end that hoists links to each other with the hoist rope reel, the hoist rope reel is provided with the height cam limit switch, described height cam limit switch all links to each other with the PLC controller with amplitude controller, and the PLC controller links to each other with the frequency converter that hoists.Described height cam limit switch is divided into two groups, and one group is the spacing of 85 meters height, and one group is the spacing of 110 meters height.
Claims (1)
1. straight-arm frame high pedestal jib crane major-minor lifting altitude limit control, comprise the frequency converter that hoists, electrical motor hoists, main, the hoist rope reel of auxiliary hoisting mechanism, PLC controller and amplitude controller, the described frequency converter that hoists links to each other with the electrical motor that hoists, the electrical motor that hoists is provided with photoelectric encoder, this photoelectric encoder links to each other with the frequency converter that hoists, the described motor output end that hoists links to each other with the hoist rope reel, this hoist rope reel is provided with the height cam limit switch, it is characterized in that described height cam limit switch is divided into two groups, one group is the spacing of 85 meters height, one group is the spacing of 110 meters height, described height cam limit switch all links to each other with the PLC controller with amplitude controller, and the PLC controller links to each other with the frequency converter that hoists.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920299653 CN201587827U (en) | 2009-12-28 | 2009-12-28 | Main and auxiliary hoisting height position-limiting control device of straight boom portal crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920299653 CN201587827U (en) | 2009-12-28 | 2009-12-28 | Main and auxiliary hoisting height position-limiting control device of straight boom portal crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201587827U true CN201587827U (en) | 2010-09-22 |
Family
ID=42747594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920299653 Expired - Fee Related CN201587827U (en) | 2009-12-28 | 2009-12-28 | Main and auxiliary hoisting height position-limiting control device of straight boom portal crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201587827U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530758A (en) * | 2012-02-13 | 2012-07-04 | 南通润邦重机有限公司 | Falling arrester of lifting mechanism of large-scale lifting equipment |
| CN102867126A (en) * | 2012-09-19 | 2013-01-09 | 德瑞斯博海机械设备（大连）有限公司 | Method for optimizing calculation for working radius of luffing steel wire rope by virtue of PLC (programmable logic controller) |
| CN103935921A (en) * | 2014-04-28 | 2014-07-23 | 新兴铸管股份有限公司 | Safety protection device of wire rope reel of bridge crane |
-
2009
- 2009-12-28 CN CN 200920299653 patent/CN201587827U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102530758A (en) * | 2012-02-13 | 2012-07-04 | 南通润邦重机有限公司 | Falling arrester of lifting mechanism of large-scale lifting equipment |
| CN102867126A (en) * | 2012-09-19 | 2013-01-09 | 德瑞斯博海机械设备（大连）有限公司 | Method for optimizing calculation for working radius of luffing steel wire rope by virtue of PLC (programmable logic controller) |
| CN102867126B (en) * | 2012-09-19 | 2015-06-10 | 德瑞斯博海机械设备（大连）有限公司 | Method for optimizing calculation for working radius of luffing steel wire rope by virtue of PLC (programmable logic controller) |
| CN103935921A (en) * | 2014-04-28 | 2014-07-23 | 新兴铸管股份有限公司 | Safety protection device of wire rope reel of bridge crane |
| CN103935921B (en) * | 2014-04-28 | 2016-08-24 | 新兴铸管股份有限公司 | Bridge crane cable drum safety guard |
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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 |
Granted publication date: 20100922 Termination date: 20141228 |
|
| EXPY | Termination of patent right or utility model |