CN101804947B - Single and double hanging point conversion type lifting device - Google Patents
Single and double hanging point conversion type lifting device Download PDFInfo
- Publication number
- CN101804947B CN101804947B CN2010101494621A CN201010149462A CN101804947B CN 101804947 B CN101804947 B CN 101804947B CN 2010101494621 A CN2010101494621 A CN 2010101494621A CN 201010149462 A CN201010149462 A CN 201010149462A CN 101804947 B CN101804947 B CN 101804947B
- Authority
- CN
- China
- Prior art keywords
- hanging point
- double hanging
- lifting device
- conversion type
- type lifting
- 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.)
- Active
Links
Images
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a single and double hanging point conversion type lifting device which comprises working motors, speed reducers driven by the working motors, and wind drums for winding steel wires, wherein two working motors, two speed reducers and two wind drums are arranged symmetrically; the other end of each of output shafts of the working motors is connected with a synchronizing shaft through a coupling; two synchronizing shafts are connected through an electromagnetic clutch in a transmission mode; and the outer sides of the output shafts of the speed reducers on the ends of the two winding drums are respectively provided with a lifting range indicating device and a position controlling device. The invention has the advantages that after the working motors drive the speed reducers to change speed, the winding drums are driven to rotate and drive a gripping beam and a gate thereof to raise or fall by releasing or extending the steel wires on the winding drums; two mechanisms are connected in the transmission mode through the coupling, the synchronizing shafts and the electromagnetic clutch between the two synchronizing shafts so that conversion between single hanging point and double hanging points and synchronization when operation in double hanging points can be realized; and compared with a lifting mechanism of a conventional gantry crane, one secondary lifting mechanism is saved and the integral structure is simple.
Description
Technical field
The present invention relates to reservoir and use the bidirectional gate machine, especially relate to a kind of bidirectional gate machine single and double hanging point conversion type lifting device.
Background technology
In large reservoir (like the Yellow River Xiao Langdi key water control project-Xi Xia institute reregulating reservoir) power station; According to the hydraulic structure deployment scenarios; Dam crest gantry gate hoists (hereinafter to be referred as the door machine) need keying power station import trash rack and bulkhead gate, open type and breastwork formula sluice break down maintenance gate, the husky hole import emergency gate of row, clipping room are arranged husky hole import emergency gate, bottom hole for sand flushing import emergency gate and water-drawing gate break down maintenance gate etc., and this machine operation is also adopted in the installation of power station water inlet break down maintenance gate and hydraulic headstock gear thereof and maintenance.Because the kind and the quantity of the operated gate of door machine are many; The gate port size differs greatly, and gate is divided into single suspension centre and two suspension centres, and the door machine will possess the condition of the two suspension centres of operation and single Hanging Point Gate simultaneously; Mostly conventional arrangement is to establish in two dollies or a dolly establishes two cover lifting mechanisms; Whole lifting mechanism equipment is heavy, and the operation link is many, complicated operation.
Summary of the invention
The object of the present invention is to provide the single and double hanging point conversion type lifting device that a kind of integral device is light, simple in structure, difficulty of processing is little, easy to operate.
For realizing above-mentioned purpose, the present invention can take following technical proposals:
Single and double hanging point conversion type lifting device of the present invention comprises work drive motor, by the retarder of work drive motor drive and the reel of winding steel wire stay cord; Described work drive motor, retarder and reel two covers are symmetrical set; The other end of said work drive motor output shaft is connected with synchronizing shaft through coupler, connects through the magnetic clutch transmission between said two synchronizing shafts.
The outside of the reducer output shaft of said two winding drum end is respectively arranged with lift indication and position control; Indication of described lift and position control comprise absolute value encoder, lead limit switch and display instrument, realize highly measuring and contraposition adjustment requirement when single suspension centre transfers two suspension centre to.
Door frame bilateral symmetry at the door machine is provided with height sensor; Though two cover lifting mechanisms can move in turn, can not guarantee the stressed identical of two steel ropes, so the percentage elongation of steel rope maybe be inconsistent; When mechanism by single suspension centre when two suspension centres change, must guarantee two cover suspender accurate contrapositions in height, if when synchronous error is big; Gate might deflection even is stuck in the gate slot and causes the accident; Because lift indication and position control are only measured the reel revolution, variation that can not measuring steel wire rope length is when running block reaches the height of contraposition requirement; The two sensors correlation is fed back equal output signal, explains that then the contraposition of two cover running blocks meets the demands.
The invention has the advantages that and comprise that lifting mechanism two covers that work drive motor, retarder and reel are formed are symmetrical set; Every cover lifting mechanism structure is independent; After work drive motor drive retarder speed change; The rotation of driving reel through being wrapped in the folding and unfolding of steel rope on the reel, driving and grabs beam and gate rising or decline; Two cover mechanisms connect through coupler, synchronizing shaft and the magnetic clutch transmission that is arranged between two synchronizing shafts, guaranteed two suspension centres in operational process synchronously.Two cover mechanisms are arranged in the dolly, adopt magnetic clutch to make two suspension centre mechanisms separate into single suspension centre operation, and the present invention compares with the lifting mechanism of conventional door machine; Saved a cover auxiliary hoisting mechanism, made integral structure simple, made difficulty of processing and reduce; Weight of equipment alleviates, and has practiced thrift investment.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
As shown in the figure, single and double hanging point conversion type lifting device of the present invention comprises work drive motor 1, by the retarder 2 of work drive motor 1 drive and the reel 3 of lay winding wire ropes; Described work drive motor 1, retarder 2 and 3 liang of covers of reel are symmetrical set; The other end of said work drive motor 1 output shaft is connected with synchronizing shaft 5 through coupler 4, connects through magnetic clutch 6 transmissions between said two synchronizing shafts 5; The outside of retarder 2 output shafts of said two winding drum 3 ends is respectively arranged with lift indication and position control 7, and described lift indication and position control 7 comprise absolute value encoder, lead limit switch and display instrument; Lift indication and position control 7 on said two retarders, 2 output shafts are symmetrical set.
Comprise that the lifting mechanism two that work drive motor 1, retarder 2 and reel 3 are formed overlaps symmetry, structure is independent; Every cover mechanism drives 3 rotations of retarder 2 speed change rear drive reels by work drive motor 1; Through being wrapped in the folding and unfolding of steel rope on the reel 3, driving and grab beam and gate rising or decline; Two cover mechanisms connect through coupler 4, synchronizing shaft 5 and magnetic clutch 6 transmissions that are arranged between two synchronizing shafts 5, guarantee two suspension centres operational process synchronously; The two Hanging Point Gate of cause are more, and magnetic clutch 6 adopts normally closeds, magnetic clutch 6 no powers when promptly two suspension centres move, and only magnetic clutch 6 energisings when single suspension centre moves, clutch-lining separates, and two cover lifting mechanisms separately work independently.
When the door machine needs single suspension centre operation, at first lay down and grab beam, two cover running blocks of two suspension centre lifting mechanisms are moved to the limes superiors position, collide with the steel rope and the running block of another set of mechanism after avoiding single Hanging Point Gate or oil cylinder to rise winching to dam crest.Synchronizing shaft 5 between operation magnetic clutch 6, the two cover lifting mechanisms separates, and can operate wherein any one set of lifting mechanism and carry out single suspension centre operation.
When door main lifting mechanism is changed into two suspension centres operation by single suspension centre; Must lay down and grab beam; The running block of single suspension centre lifting mechanism is moved to the limes superiors position; After guaranteeing two cover running block height unanimities, magnetic clutch 6 outages, synchronizing shaft 5 connections between the two cover lifting mechanisms get final product synchronized operation.
Claims (4)
1. a single and double hanging point conversion type lifting device comprises work drive motor (1), by the retarder (2) of work drive motor (1) drive and the reel (3) of lay winding wire ropes; It is characterized in that: described work drive motor (1), retarder (2) and reel (3) two covers are symmetrical set; The other end of said work drive motor (1) output shaft is connected with synchronizing shaft (5) through coupler (4), connects through magnetic clutch (6) transmission between said two synchronizing shafts (5).
2. single and double hanging point conversion type lifting device according to claim 1 is characterized in that: the outside of retarder (2) output shaft of said two winding drum (3) end is respectively arranged with lift indication and position control (7).
3. single and double hanging point conversion type lifting device according to claim 2 is characterized in that: described lift indication and position control (7) comprise absolute value encoder, lead limit switch and display instrument.
4. single and double hanging point conversion type lifting device according to claim 1 and 2 is characterized in that: lift indication and position control (7) on said two retarders (2) output shaft are symmetrical set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101494621A CN101804947B (en) | 2010-04-19 | 2010-04-19 | Single and double hanging point conversion type lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101494621A CN101804947B (en) | 2010-04-19 | 2010-04-19 | Single and double hanging point conversion type lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101804947A CN101804947A (en) | 2010-08-18 |
| CN101804947B true CN101804947B (en) | 2012-02-15 |
Family
ID=42606930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101494621A Active CN101804947B (en) | 2010-04-19 | 2010-04-19 | Single and double hanging point conversion type lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101804947B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5529689B2 (en) * | 2010-09-10 | 2014-06-25 | 株式会社キトー | Hoisting machine with built-in load-sensitive automatic transmission |
| CN102408046A (en) * | 2011-07-12 | 2012-04-11 | 大连博瑞重工有限公司 | Three-level brake device for lifting mechanism |
| CN102602808A (en) * | 2012-04-09 | 2012-07-25 | 上海海事大学 | Device and method for detecting rope length of two-hanger crane |
| CN102887452B (en) * | 2012-09-19 | 2015-11-25 | 河南卫华重型机械股份有限公司 | A kind of lifting mechanism and use the crane for steelworks use of this lifting mechanism |
| CN104276520B (en) * | 2014-09-23 | 2017-02-15 | 申锡机械有限公司 | Multi-roller rope withdrawing and releasing device |
| CN106284225A (en) * | 2015-05-29 | 2017-01-04 | 湖北省咸宁三合机电制业有限责任公司 | The double suspension centre winch hoist of a kind of multi-speed |
| CN105231952A (en) * | 2015-10-23 | 2016-01-13 | 上海普英特高层设备有限公司 | Simple-type hoisting mechanism used for window-cleaning machine |
| CN113682995A (en) * | 2021-08-31 | 2021-11-23 | 娄底市同丰科技有限公司 | Lifting device for mine and working method thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991013826A1 (en) * | 1990-03-12 | 1991-09-19 | Kabushiki Kaisha Komatsu Seisakusho | Device for driving winch of crane car |
| CN201343408Y (en) * | 2008-12-30 | 2009-11-11 | 大连高新起重电器厂 | Lifting height limiter |
| CN101503169A (en) * | 2009-03-11 | 2009-08-12 | 大连华锐股份有限公司 | Hoisting mechanism for crane |
| CN201647828U (en) * | 2010-04-19 | 2010-11-24 | 黄河勘测规划设计有限公司 | Single-double lifting point transformation type lifting device |
-
2010
- 2010-04-19 CN CN2010101494621A patent/CN101804947B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101804947A (en) | 2010-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201647828U (en) | Single-double lifting point transformation type lifting device | |
| CN101804947B (en) | Single and double hanging point conversion type lifting device | |
| CN103407920B (en) | A kind of intelligent deep hole rope winch being driven by variable-frequency motor | |
| CN205442486U (en) | Permanent tension adaptive control device of servo row of cable in deep sea navel cord cable winch | |
| CN105731284B (en) | Deep-sea umbilical cables winch servo row's cable identical tension adaptive control system | |
| CN104098039A (en) | Multifunctional combined friction winch system | |
| CN101220585B (en) | Double-hanging point headstock gear of large span shutter | |
| CN201942435U (en) | Special trolley for double-beam gantry crane | |
| CN205934869U (en) | Hoisting hoister | |
| CN203782777U (en) | Lifting device for double ringing slotter | |
| CN202744256U (en) | Closed-loop lifting device with double speed reducers of ladle crane | |
| CN201351102Y (en) | Hydraulic lifting steel strand retractable device | |
| CN204474213U (en) | A kind of duplex type system synchronous hoist system | |
| CN205012396U (en) | Two winding system synchro control devices of diaphragm wall hydraulic grab | |
| CN201074170Y (en) | Double hanging-point hoist | |
| CN113979344B (en) | Lifting driving system and method for tower crane four-linkage ultra-large lifting capacity | |
| CN205907661U (en) | Integrated form hoist headstock gear | |
| CN102515024B (en) | Ultra-lifting synchronous defection device, control method thereof and crane comprising same | |
| CN204917789U (en) | But hoisting hoister of real -time supervision shaft coupling operating parameter | |
| CN104340864A (en) | Crane and hoisting mechanism thereof | |
| CN211368623U (en) | Fixed hoist type hoist | |
| CN102285604A (en) | Single-joint winding drum hoisting mechanism with over-load protection device | |
| CN202131045U (en) | Double-hoisting high-speed and high-lift electric hoist | |
| CN212656192U (en) | Oblique-pulling arc door opening and closing machine | |
| CN203768960U (en) | Power transmission grab dredger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450003 Jinshui Road 109, Zhengzhou City, Henan Province Patentee after: Yellow River Survey Planning and Design Research Institute Co., Ltd. Address before: 450003 Jinshui Road 109, Zhengzhou City, Henan Province Patentee before: Yellow River Engineering Consulting Co., Ltd. |