CN203333219U - Lifting height accurate locating device of straight arm frame gantry crane - Google Patents
Lifting height accurate locating device of straight arm frame gantry crane Download PDFInfo
- Publication number
- CN203333219U CN203333219U CN2013203038726U CN201320303872U CN203333219U CN 203333219 U CN203333219 U CN 203333219U CN 2013203038726 U CN2013203038726 U CN 2013203038726U CN 201320303872 U CN201320303872 U CN 201320303872U CN 203333219 U CN203333219 U CN 203333219U
- Authority
- CN
- China
- Prior art keywords
- input end
- mouth
- arm frame
- raising
- straight arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Control And Safety Of Cranes (AREA)
Abstract
The utility model relates to a lifting height accurate locating device of a straight arm frame gantry crane. The lifting height accurate locating device of the straight arm frame gantry crane comprises a master controller, a PLC, a raising frequency converter, a raising motor, a raising reducer and a raising coiling block. The input ends and the output ends of the mentioned devices are connected in sequence, the output end of the master controller is connected with the input end of the PLC, a height limiter and an optical grating counter are arranged on the raising coiling block, the output end of the height limiter is connected with the input end of the PLC controller, the output end of the optical grating counter is connected with the input end of a touch screen displayer, and the output end of the touch screen displayer is connected with the input end of the PLC. According to the lifting height accurate locating device of the straight arm frame gantry crane, the rotation amount of the raising coiling block is obtained through the optical grating counter, the coiling amount of a steel wire is obtained, accurate raising height value is further obtained, and a good positioning function is performed when components are mounted on the straight arm frame gantry crane.
Description
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 span winch lifting altitude accurate positioning device.
Background technology
Big elevating capacity straight arm frame high pedestal jib crane is mainly used for shipyard and carries out erection work.Due to the specific (special) requirements of shipyard span winch applying working condition, it is slow that lifting velocity is wanted.When being docked, wants body section accurately to navigate to closed position.How to realize this requirement, in design in the past, there is no control program, just by the Suo of department work, adopt interphone conductor driver adjusting operation at a slow speed, the lifting altitude of hoisting crane can not accurately be located.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of and can accurately locate the device of lifting altitude position aspect straight arm frame span winch lifting altitude.
The purpose of this utility model is achieved in that a kind of straight arm frame span winch lifting altitude accurate positioning device, comprise master controller, the PLC controller, frequency converter hoists, lifting electric motor, speed reducer used in hoisting, hoisting drum, height limiter, raster count device and touch-screen display, the mouth of described master controller is connected with the input end of PLC controller, the mouth of described PLC controller is connected with the input end of the frequency converter that hoists, the mouth of the described frequency converter that hoists is connected with the input end of lifting electric motor, the mouth of described lifting electric motor is connected with the input end of speed reducer used in hoisting, the mouth of described speed reducer used in hoisting is connected with the input end of hoisting drum, the mouth of described hoisting drum is connected with hoist rope, be provided with height limiter and raster count device on described hoisting drum, the mouth of described height limiter is connected with the input end of PLC controller, the mouth of described raster count device is connected with the input end of touch-screen display, the mouth of described touch-screen display is connected with the input end of PLC controller.
Compared with prior art, the beneficial effects of the utility model are:
The utility model obtains the hoisting drum amount of spin by the raster count device, obtains wire rope roll around amount, and then obtains accurate lifting altitude value, has good positioning action during to the span winch installation component.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Referring to Fig. 1, the utility model relates to a kind of straight arm frame span winch lifting altitude accurate positioning device, comprises master controller, PLC controller, the frequency converter that hoists, lifting electric motor, speed reducer used in hoisting, hoisting drum, height limiter, raster count device and touch-screen display.The mouth of described master controller is connected with the input end of PLC controller, the mouth of described PLC controller is connected with the input end of the frequency converter that hoists, the mouth of the described frequency converter that hoists is connected with the input end of lifting electric motor, the mouth of described lifting electric motor is connected with the input end of speed reducer used in hoisting, the mouth of described speed reducer used in hoisting is connected with the input end of hoisting drum, the mouth of described hoisting drum is connected with hoist rope, be provided with height limiter and raster count device on described hoisting drum, the mouth of described height limiter is connected with the input end of PLC controller, described height limiter provides signal and is input to the PLC controller when maximum height of lift and minimum lifting altitude, the mouth of described raster count device is connected with the input end of touch-screen display, described raster count device is connected with the hoisting drum axle, accurately the hoisting drum amount of spin is measured, and provide signal to touch-screen display, show height number, with the height number that is pre-entered into touch-screen display, compare, difference signal is input to the PLC controller.Described PLC controller is connected with the frequency converter that hoists, and is controlled the rotation of lifting electric motor by the frequency converter output that hoists.
Claims (1)
1. a straight arm frame span winch lifting altitude accurate positioning device, comprise master controller, the PLC controller, frequency converter hoists, lifting electric motor, speed reducer used in hoisting, hoisting drum, height limiter, raster count device and touch-screen display, the mouth of described master controller is connected with the input end of PLC controller, the mouth of described PLC controller is connected with the input end of the frequency converter that hoists, the mouth of the described frequency converter that hoists is connected with the input end of lifting electric motor, the mouth of described lifting electric motor is connected with the input end of speed reducer used in hoisting, the mouth of described speed reducer used in hoisting is connected with the input end of hoisting drum, the mouth of described hoisting drum is connected with hoist rope, be provided with height limiter and raster count device on described hoisting drum, the mouth of described height limiter is connected with the input end of PLC controller, the mouth of described raster count device is connected with the input end of touch-screen display, the mouth of described touch-screen display is connected with the input end of PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203038726U CN203333219U (en) | 2013-05-30 | 2013-05-30 | Lifting height accurate locating device of straight arm frame gantry crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203038726U CN203333219U (en) | 2013-05-30 | 2013-05-30 | Lifting height accurate locating device of straight arm frame gantry crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203333219U true CN203333219U (en) | 2013-12-11 |
Family
ID=49701910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203038726U Expired - Fee Related CN203333219U (en) | 2013-05-30 | 2013-05-30 | Lifting height accurate locating device of straight arm frame gantry crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203333219U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787680A (en) * | 2015-04-29 | 2015-07-22 | 唐山重安环保科技有限公司 | Control device and control method for lifting height of crane |
| CN108975190A (en) * | 2018-09-26 | 2018-12-11 | 东莞市台冠起重机械设备有限公司 | It is a kind of for the retarder of lifting mechanism and the attachment device of reel |
-
2013
- 2013-05-30 CN CN2013203038726U patent/CN203333219U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104787680A (en) * | 2015-04-29 | 2015-07-22 | 唐山重安环保科技有限公司 | Control device and control method for lifting height of crane |
| CN108975190A (en) * | 2018-09-26 | 2018-12-11 | 东莞市台冠起重机械设备有限公司 | It is a kind of for the retarder of lifting mechanism and the attachment device of reel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204022340U (en) | A kind of wide-angle hoisting crane | |
| CN108529456A (en) | A kind of novel tower crane moment safety control system and method | |
| CN203333219U (en) | Lifting height accurate locating device of straight arm frame gantry crane | |
| CN102607469B (en) | Double-hoist, double-spreader bridge crane experimental facility | |
| CN203998761U (en) | A kind of hand-operated cable hoist of measuring unwrapping wire length | |
| CN102992203B (en) | Simple hoisting device for steel structure bridge installation | |
| CN203877813U (en) | Hoist determining line laying length | |
| CN202296875U (en) | Manually-electrically integrated wireless control system of crane | |
| CN208327167U (en) | Novel tower crane moment safety control system | |
| CN204823948U (en) | Electric block is with synchronous kinking device | |
| CN203474351U (en) | Large-tonnage single-girder steel wire rope type electric hoist | |
| CN105836650A (en) | Electric hoist with weighing function | |
| CN202744238U (en) | Automatic balance control tower type crane | |
| CN103640979B (en) | Height control method, device and system for tower crane lifting hook and tower crane | |
| CN203653125U (en) | Hoister for tower crane hoisting | |
| CN203474345U (en) | Crane inclined-pulling-preventing rope guide device | |
| CN204714414U (en) | The torque limiter of tyre crane surveys long and elevator limit for height control system | |
| CN103612987B (en) | Lifting performance adjusting and controlling method and device for lifting machine | |
| CN204873603U (en) | Wheel crane | |
| CN104458313A (en) | Tension tester for super tonnage winch | |
| CN203451079U (en) | Crane power takeoff device with swinging pulley | |
| CN203451112U (en) | Lifting compensation system of steel wire rope amplitude change portal crane | |
| CN104386606B (en) | Equipment lifting device on bar | |
| CN203095535U (en) | Electric fork-lift truck height detecting device | |
| CN217838158U (en) | Crane overload weight monitoring device |
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: 20131211 Termination date: 20140530 |