CN105936470B - A kind of wind-driven generator automatic turn-over body suspender and installation method - Google Patents
A kind of wind-driven generator automatic turn-over body suspender and installation method Download PDFInfo
- Publication number
- CN105936470B CN105936470B CN201610449484.7A CN201610449484A CN105936470B CN 105936470 B CN105936470 B CN 105936470B CN 201610449484 A CN201610449484 A CN 201610449484A CN 105936470 B CN105936470 B CN 105936470B
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- hydraulic
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- suspension rod
- generator
- suspender
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/18—Band-type slings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/107—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means for lifting engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Wind Motors (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention discloses a kind of wind-driven generator automatic turn-over body suspender, the suspender is made up of suspension rod, hydraulic system, rigging and upset dynamical system；Suspension rod is mainly made up of suspension rod main body, expansion link, cable wind rope system hole, hydraulic oil pipe fixed hook, hanger bar legs, and the expansion link positioned at suspension rod main body both ends realizes the elongation of suspension rod one side by a hydraulic stem respectively；Hydraulic system is made up of hydraulic station, hydraulic pressure pipe tap, hydraulic pressure pipe quick joint, hydraulic oil pipe, hydraulic stem；Hydraulic stem positioned at suspension rod main body both ends is connected by a hydraulic oil pipe with a hydraulic pressure pipe quick joint on hydraulic station respectively；A pair of hydraulic stems in the middle part of suspension rod main body are respectively connected by a hydraulic oil pipe with a hydraulic pressure pipe tap on hydraulic station.The beneficial effect that is reached of the present invention is：Wind-driven generator automatic turn-over body hanger structure is reasonable, installs, be easy to operate, substantially increases the efficiency of generator turn and the accurate control of generator flip angle.
Description
Technical field
The invention belongs to construction project installation field, specially a kind of wind-driven generator automatic turn-over body suspender and installation side
Method.
Background technology
In industrial equipment installation, it is often necessary to which large scale equipment is overturn.As the equipment scale of construction is increasing, equipment
The danger of switching process increases therewith, careless slightly to easily cause equipment damage even casualties.Wind-driven generator is whole
Direct-drive type blower fan kinetic energy is converted into the nucleus equipment of electric energy, and diameter is big, quality weight., it is necessary to will using goliath during installation
Horizontal positioned equipment turn in certain vertical angle state so that the cabin with blower fan is docked.Traditional method is to treat lifting
When machine slings generator level, device end and centre are connected respectively using two sets of chain blocks.Edge is connected by tensing
Chain block lift generator one end, while loosen another chain block, so coordinate and complete generator and turn over.Operation
Process by manual operation, wastes time and energy entirely and is difficult to control the angle of generator, meanwhile, the personnel in operating process that turn over must stand
In the equipment of suspention, security risk is big.
The content of the invention
The purpose of the present invention is to realize the automatic turn-over body of wind-driven generator.The unilateral length adjustment control that the device passes through suspension rod
The levelness of generator processed.The angle that the length control of suspender belt is turned over is turned over by adjusting.Pass through anti-reverse roller and strap suspending clamp
Tool prevents generator from reversely turning over.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：
A kind of wind-driven generator automatic turn-over body suspender, it is characterised in that the suspender is by suspension rod, hydraulic system, rigging and turns over
Rotate Force system composition；Suspension rod is mainly by suspension rod main body, expansion link, cable wind rope system hole, hydraulic oil pipe fixed hook, hanger bar legs
Composition, the expansion link positioned at suspension rod main body both ends realize the elongation of suspension rod one side by a hydraulic stem respectively；Hydraulic system by
Hydraulic station, hydraulic pressure pipe tap, hydraulic pressure pipe quick joint, hydraulic oil pipe, hydraulic stem composition；Hydraulic stem positioned at suspension rod main body both ends
It is connected respectively by a hydraulic oil pipe with a hydraulic pressure pipe quick joint on hydraulic station；A pair of liquid in the middle part of suspension rod main body
Depression bar is respectively connected by a hydraulic oil pipe with a hydraulic pressure pipe tap on hydraulic station；Suspension hook leads between suspension rod main body
Cross tackle connection；Steel wire rope is used for connection expansion link and generator main body, and auxiliary device for unhooking is housed on steel wire rope；
Dynamical system is overturn to be used using universal joint connection strut, strut by a pair of hydraulic stems in the middle part of suspension rod main body
The connection of diagonal brace connector clamps crust of the device, and clamping device enclosure has a pair of sawtooth clamps, and sawtooth clamp is by leading
To screw rod and clamping device shell relative motion, ratchet is arranged in pulley side, pulley single roll is controlled using non-return plectrum.
As a preferred technical solution of the present invention, the auxiliary device for unhooking connects steel wire respectively by two crossbars
The both sides of rope, connected using hydraulic stem between crossbar, hydraulic stem normal contraction under nature, drive crossbar to strut steel wire
Rope；
As a preferred technical solution of the present invention, in addition to suspender belt, suspender belt is used for the front for connecting generator main body
Suspension centre and back side suspension centre, and each fixed using front handling mobile crane point fixing device and back side suspension centre fixing device；Suspender belt and generator
The contact rubbing surface of main body is protected using rubber blanket；Cable wind rope connects suspension rod by cable wind rope system hole, prevents suspender from revolving in the air
Turn or swing.
Present invention also offers a kind of installation method of wind-driven generator automatic turn-over body suspender, the installation method includes following
Step：
A, two tricing pendants for davit are hung on crane hook and by two through pulley, sawtooth clamp first by suspender belt
Steel wire rope is hung on expansion link, subsequent hoisting sling, steel wire rope is naturally drooped to the height of generator hanger, by steel wire loop
On generator hanger, finally suspender belt one end is fixed overleaf in suspension centre fixing device, the other end is fixed on front handling mobile crane solid point
Determine on device, and shorten the length of suspender belt using suspender belt tensioning apparatus, be allowed to tighten；
B, after preparation is ready, generator main body is separated with equipment conveying support, and generator is lifted to distance
Ground 3m height, it is convenient for turning over operation, now two steel wire ropes are tightened, the auxiliary device for unhooking being installed on steel wire rope
It is squeezed, two in auxiliary device for unhooking hydraulic stem is forced to stretch, by controlling a pair of hydraulic pressure in the middle part of suspension rod main body
Bar extends, and is gradually reduced the angle of two struts and suspender belt and promotes clamping device shell to be transported to away from suspension rod direction jointly
It is dynamic, because relative motion occur in clamping device shell and a pair of internal sawtooth clamps, restricted and clamped by guide spiro rod
The bore extruding that crust of the device tapers into, sawtooth clamp are relatively close until clamping suspender belt and driving suspender belt to away from suspension rod
Direction is moved, and thus, suspender belt affects generator back side suspension centre fixing device, and front handling mobile crane point fixing device is downward simultaneously for motion upwards
Motion, finally realizes the upset of generator main body；
C, after generator main body is connected fastening with cabin, crane returns hook, puts the steel wire rope of connection generator hanger
Pine, the hydraulic stem in auxiliary device for unhooking start to shrink at, and drive crossbar to strut steel wire rope, steel wire rope is easier from hanger
Freed in groove；
D, it is last, front handling mobile crane point fixing device is removed, suspender releases completely with generator.
As a kind of optimal technical scheme of installation method of the present invention, the flip angle that generator main body keeps certain passes through
Heavy-duty machine is hung to installment work face and alignd with cabin flange face installation；Such as find that the flange face angle of inclination of generator main body is wrong
Difference, it can continue to adjust by upset system；Such as find that the line that two hangers of generator main body are formed is not horizontal, cause bolt
Hole is on not, can adjust the length of side expansion link；When side expansion link stretches out, the angle of the side tricing pendants for davit and suspension rod becomes
Greatly, the side suspension rod is lifted up, while is lifted up generator main body one side, so as to realize the tune of generator main body levelness
It is whole；The bolt hole of generator main body 1 and cabin bolt hole are to after upper, removal generator back side suspension centre fixing device.
The beneficial effect that is reached of the present invention is：Wind-driven generator automatic turn-over body hanger structure is reasonable, installation, operation letter
Just, the efficiency of generator turn and the accurate control of generator flip angle are substantially increased.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the overall package figure of wind turbine power generation machine automatic turn-over body suspender proposed by the invention；
Fig. 2 is the turning over mechanism detail drawing of wind turbine power generation machine automatic turn-over body suspender proposed by the invention；
Fig. 3 is the sectional view of wind turbine power generation machine automatic turn-over body suspender proposed by the invention；
In Fig. 1：1st, generator main body；2nd, suspension rod main body；3rd, expansion link；4th, cable wind rope system hole；7th, tricing pendants for davit；8th, hang
Hook；9th, steel wire rope；10th, auxiliary device for unhooking；11st, generator hanger；12nd, hanger bar legs；13rd, hydraulic stem；14th, hydraulic station；15、
Hydraulic oil pipe fixed hook；16th, front handling mobile crane point fixing device；17th, suspender belt tensioning apparatus；18th, suspender belt；19th, hydraulic oil pipe；20、
Hydraulic pressure pipe tap；21st, hydraulic pressure pipe quick joint；
In Fig. 2：22nd, universal joint；23rd, strut；24th, diagonal brace connector；25th, sawtooth clamp；26th, guide spiro rod；27th, it is sliding
Wheel；28th, non-return plectrum；29th, ratchet；30th, clamping device shell；
In Fig. 3：32nd, back side suspension centre fixing device.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
As Figure 1-3, the present invention provides a kind of wind-driven generator automatic turn-over body suspender, it is characterised in that the suspender by
Suspension rod, hydraulic system, rigging and upset dynamical system composition；Suspension rod mainly by suspension rod main body 2, expansion link 3, cable wind rope system hole 4,
Hydraulic oil pipe fixed hook 15, hanger bar legs 12 form, and the expansion link 3 positioned at the both ends of suspension rod main body 2 passes through a hydraulic pressure respectively
Bar 13 realizes the elongation of suspension rod one side；Hydraulic system is by hydraulic station 14, hydraulic pressure pipe tap 20, hydraulic pressure pipe quick joint 21, hydraulic pressure
Oil pipe 19, hydraulic stem 13 form；Hydraulic stem 13 positioned at the both ends of suspension rod main body 2 passes through a hydraulic oil pipe 19 and hydraulic station respectively
A hydraulic pressure pipe quick joint 21 on 14 connects；A pair of hydraulic stems 13 positioned at the middle part of suspension rod main body 2 respectively pass through a hydraulic oil
Manage and be connected with a hydraulic pressure pipe tap 20 on hydraulic station 14；Suspension hook 8 is connected by tackle 7 between suspension rod main body 2
Connect；Steel wire rope 9 is used for connection expansion link 3 and generator main body 1, and auxiliary device for unhooking 10 is housed on steel wire rope 9；
Upset dynamical system connects strut 23 by a pair of hydraulic stems 13 positioned at the middle part of suspension rod main body 2 using universal joint 22,
Strut 23 is connected using diagonal brace connector 24 and clamps crust of the device 30, and clamping device enclosure has a pair of sawtooth clamps 25,
Sawtooth clamp 25 arranges ratchet 29, profit in the side of pulley 27 by guide spiro rod 26 and the relative motion of clamping device shell 30
The single roll of pulley 27 is controlled with non-return plectrum 28.
The auxiliary device for unhooking is distinguished the both sides of connecting steel wire ropes 9 by two crossbars, and hydraulic stem is used between crossbar
Connect, hydraulic stem normal contraction under nature, drive crossbar to strut steel wire rope 9；
Also including suspender belt 18, suspender belt is used for the front suspension centre and back side suspension centre for connecting generator main body 1, and each using just
Face suspension centre fixing device 16 and back side suspension centre fixing device 32 are fixed.Suspender belt 18 uses with the contact rubbing surface of generator main body 1
Rubber blanket 31 is protected；Cable wind rope 5 connects suspension rod by cable wind rope system hole 4, prevents suspender from rotating or swinging in the air.
A kind of installation method of wind-driven generator automatic turn-over body suspender, it is characterised in that the installation method includes following step
Suddenly：
A, two tricing pendants for davit 7 are hung on crane hook 8 through pulley 27, sawtooth clamp 25 first by suspender belt 18
And hang over two steel wire ropes 9 on expansion link 3, subsequent hoisting sling, steel wire rope 9 is naturally drooped to the height of generator hanger 11
Degree, steel wire rope 9 is enclosed on generator hanger 11, finally fixes the one end of suspender belt 18 overleaf in suspension centre fixing device 32, separately
One end is fixed in front handling mobile crane point fixing device 16, and shortens the length of suspender belt 18 using suspender belt tensioning apparatus 17, is allowed to tighten；
B, after preparation is ready, generator main body 1 is separated with equipment conveying support, and generator is lifted to distance
Ground 3m height, it is convenient for turning over operation, now two steel wire ropes 9 are tightened, the unhook auxiliary dress being installed on steel wire rope
Put 10 to be squeezed, two in auxiliary device for unhooking hydraulic stem is forced to stretch, by controlling a pair positioned at the middle part of suspension rod main body 2
Hydraulic stem 13 extends, and is gradually reduced the angle of two struts 23 and suspender belt 18 and promotes clamping device shell 30 jointly to remote
Suspension rod direction is moved, and because relative motion occur in clamping device shell 30 and a pair of internal sawtooth clamps 25, is oriented to
The bore extruding that screw rod 26 restricts and clamping device shell 30 tapers into, sawtooth clamp 25 are relatively close until clamping suspender belt
18 and drive suspender belt 18 thus, suspender belt 18 affects generator back side suspension centre fixing device 32 upward to moving away from suspension rod direction
Front handling mobile crane point fixing device 16 moves downward simultaneously for motion, finally realizes the upset of generator main body 1；
C, after generator main body 1 is connected fastening with cabin, crane returns hook, makes the steel wire rope of connection generator hanger 11
9 loosen, and the hydraulic stem in auxiliary device for unhooking 10 starts to shrink at, drive crossbar strut steel wire rope 9, make steel wire rope be easier from
Freed in the groove of hanger 11；
D, it is last, front handling mobile crane point fixing device 16 is removed, suspender releases completely with generator.
Wind-driven generator automatic turn-over body hanger structure is reasonable, installs, be easy to operate, substantially increases the effect of generator turn
The accurate control of rate and generator flip angle.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (5)
1. a kind of wind-driven generator automatic turn-over body suspender, it is characterised in that the suspender is by suspension rod, hydraulic system, rigging and upset
Dynamical system forms；Suspension rod is mainly by suspension rod main body, expansion link, cable wind rope system hole, hydraulic oil pipe fixed hook, hanger bar legs group
Into the expansion link positioned at suspension rod main body both ends realizes the elongation of suspension rod one side by a hydraulic stem respectively；Hydraulic system is by liquid
Press station, hydraulic pressure pipe tap, hydraulic pressure pipe quick joint, hydraulic oil pipe, hydraulic stem composition；Hydraulic stem point positioned at suspension rod main body both ends
It is not connected by a hydraulic oil pipe with a hydraulic pressure pipe quick joint on hydraulic station；A pair of hydraulic pressure in the middle part of suspension rod main body
Bar is respectively connected by a hydraulic oil pipe with a hydraulic pressure pipe tap on hydraulic station；Suspension hook passes through between suspension rod main body
Tackle connects；Steel wire rope is used for connection expansion link and generator main body, and auxiliary device for unhooking is housed on steel wire rope；
Overturn dynamical system and use diagonal brace using universal joint connection strut, strut by a pair of hydraulic stems in the middle part of suspension rod main body
Connector connection clamps crust of the device, and clamping device enclosure has a pair of sawtooth clamps, and sawtooth clamp is by being oriented to spiral shell
Bar and clamping device shell relative motion, ratchet is arranged in pulley side, and pulley single roll is controlled using non-return plectrum.
A kind of 2. wind-driven generator automatic turn-over body suspender according to claim 1, it is characterised in that the auxiliary dress that breaks off relations
The both sides that connecting steel wire ropes are distinguished by two crossbars are put, are connected between crossbar using hydraulic stem, hydraulic stem is being just under nature
Often shrink, drive crossbar to strut steel wire rope.
3. a kind of wind-driven generator automatic turn-over body suspender according to claim 1, it is characterised in that also including suspender belt, hang
Band is used for the front suspension centre and back side suspension centre for connecting generator main body, and each uses front handling mobile crane point fixing device and back side suspension centre
Fixing device is fixed；Suspender belt is protected with the contact rubbing surface of generator main body using rubber blanket；Cable wind rope passes through cable wind rope system hole
Suspension rod is connected, prevents suspender from rotating or swinging in the air.
4. a kind of installation method of wind-driven generator automatic turn-over body suspender, it is characterised in that the installation method comprises the following steps：
A, first by suspender belt through pulley, sawtooth clamp, two tricing pendants for davit are hung on crane hooks and by two steel wires
Rope is hung on expansion link, subsequent hoisting sling, steel wire rope is naturally drooped to the height of generator hanger, steel wire loop is being sent out
On motor hanger, finally suspender belt one end is fixed overleaf in suspension centre fixing device, the other end is fixed on front handling mobile crane point and fixes dress
Put, and shorten the length of suspender belt using suspender belt tensioning apparatus, be allowed to tighten；
B, after preparation is ready, generator main body is separated with equipment conveying support, and generator is lifted to apart from ground
3m height, it is convenient for turning over operation, now two steel wire ropes are tightened, and are installed on the auxiliary device for unhooking on steel wire rope by crowded
Press, two hydraulic stems in auxiliary device for unhooking are forced to stretch, by controlling a pair of hydraulic stems in the middle part of suspension rod main body to stretch
It is long, it is gradually reduced the angle of two struts and suspender belt and promotes clamping device shell to be moved to away from suspension rod direction jointly, by
There is relative motion in clamping device shell and a pair of internal sawtooth clamps, by guide spiro rod restrict and clamping device outside
The bore extruding that shell tapers into, sawtooth clamp are relatively close until clamping suspender belt and driving suspender belt to be transported to away from suspension rod direction
Dynamic, thus, suspender belt affects generator back side suspension centre fixing device, and front handling mobile crane point fixing device moves downward simultaneously for motion upwards, most
The upset of generator main body is realized eventually；
C, after generator main body is connected fastening with cabin, crane returns hook, loosens the steel wire rope of connection generator hanger, takes off
Hydraulic stem in hook servicing unit starts to shrink at, and drives crossbar to strut steel wire rope, steel wire rope is easier the groove from hanger
In free；
D, it is last, front handling mobile crane point fixing device is removed, suspender releases completely with generator.
5. the installation method of a kind of wind-driven generator automatic turn-over body suspender according to claim 4, it is characterised in that generate electricity
Owner's body keeps certain flip angle to be hung to installment work face through crane aliging with cabin flange face installation；Such as find to generate electricity
There is error at the flange face angle of inclination of owner's body, can continue to adjust by upset system；Such as find that two of generator main body hang
The line that ear is formed is not horizontal, causes bolt hole on not, can adjust the length of side expansion link；When side expansion link stretches out
When, the angle of the side tricing pendants for davit and suspension rod becomes big, and the side suspension rod is lifted up, while makes the unilateral lift upwards of generator main body
Rise, so as to realize the adjustment of generator main body levelness；Generator main body bolt hole and cabin bolt hole are to after upper, removal generates electricity
Machine back side suspension centre fixing device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610449484.7A CN105936470B (en) | 2016-06-21 | 2016-06-21 | A kind of wind-driven generator automatic turn-over body suspender and installation method |
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| CN201610449484.7A CN105936470B (en) | 2016-06-21 | 2016-06-21 | A kind of wind-driven generator automatic turn-over body suspender and installation method |
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| CN105936470B true CN105936470B (en) | 2018-01-02 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108862050B (en) * | 2018-06-26 | 2019-11-26 | 江苏金风科技有限公司 | More changing device |
| CN110104538A (en) * | 2019-06-11 | 2019-08-09 | 河南万道捷建股份有限公司 | A kind of double P plate production turnover devices |
| CN110700770B (en) * | 2019-11-05 | 2024-06-18 | 中国石油天然气集团有限公司 | Electric remote control drilling tool upper and lower drill floor tightening device and application method thereof |
| DE102022103727A1 (en) * | 2022-02-17 | 2023-08-17 | Wobben Properties Gmbh | Release device for a lifting and tilting device for releasing the lifting and tilting device from a generator segment, lifting and tilting device for lifting and tilting a generator segment, method for lifting and tilting a generator segment, and method for mounting a lifting and tilting device on a dismantled generator segment |
| CN114852859A (en) * | 2022-05-06 | 2022-08-05 | 海安县石油科研仪器有限公司 | Movable petroleum pipe crane |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT320914B (en) * | 1971-08-21 | 1975-03-10 | Kabelschlepp Gmbh | Device for turning and transporting heavy workpieces |
| GB2439133A (en) * | 2006-06-13 | 2007-12-19 | William Robert Graham | Lifting and rotating mechanism |
| CN203806941U (en) * | 2014-05-07 | 2014-09-03 | 新疆金风科技股份有限公司 | Hoisting overturning device of direct-drive wind power generator |
| CN104276510B (en) * | 2014-09-04 | 2016-06-08 | 江苏金风科技有限公司 | Generator stand up suspender and using method thereof |
| CN205114818U (en) * | 2015-10-14 | 2016-03-30 | 纽科伦（新乡）起重机有限公司 | Upset is tilting mechanism and upset hoist for hoist |
| CN205241039U (en) * | 2015-12-31 | 2016-05-18 | 新疆金风科技股份有限公司 | Installation hoist of generator |
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