CN108275585A - A kind of novel self-crawling type offshore wind turbine crane - Google Patents
A kind of novel self-crawling type offshore wind turbine crane Download PDFInfo
- Publication number
- CN108275585A CN108275585A CN201810295048.8A CN201810295048A CN108275585A CN 108275585 A CN108275585 A CN 108275585A CN 201810295048 A CN201810295048 A CN 201810295048A CN 108275585 A CN108275585 A CN 108275585A
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- China
- Prior art keywords
- fixed
- sliding part
- connection section
- hinged
- wind turbine
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/68—Jibs foldable or otherwise adjustable in configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/06—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with jibs mounted for jibbing or luffing movements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/62—Constructional features or details
- B66C23/64—Jibs
- B66C23/70—Jibs constructed of sections adapted to be assembled to form jibs or various lengths
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/03—Cranes with arms or jibs; Multiple cranes
- B66C2700/0307—Cranes in which it is essential that the load is moving horizontally during the luffing movement of the arm or jib
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of novel self-crawling type offshore wind turbine cranes, including four adjustable hood type fixing devices, lifting working platform and gantry body, lifting working platform includes platform support, the first sliding part, the second sliding part and driving mechanism, gantry body is fixed on platform support, four adjustable hood type fixing devices are divided into two groups and are separately fixed on the first sliding part and the second sliding part, and every adjustable hood type fixing device includes multiple female connection sections, multiple external tooths connection section, is fixedly connected with section, gear and path transfer speed reducer.Structure of the invention novelty is reliable for operation, especially suitable for the prodigious occasion of offshore fan tower barrel diameter change.
Description
Technical field
The present invention relates to a kind of wind turbine crane, especially a kind of novel self-crawling type offshore wind turbine crane.
Background technology
With the rapid development of world economy, energy crisis is more apparent, and each state all is making great efforts to seek various renewable moneys
The solution in source.The Wind Power Generation Industry in China is grown rapidly in recent years, and especially offshore wind farm is even more to be a dark horse, state
Inside and outside sea wind field construction and grid-connected rapid development propose maintained equipment eager requirement.Since assembling is in up to a hundred
The high wind tower top of rice, the parts that blower interior can not complete repair at the scene must use Large marine lifting equipment from platform
It is lifted back and forth to wind turbine.Prohibitively expensive, exploitation that the sea such as usually used large-scale floating crane lifting equipment repairs hoisting cost
Special offshore wind turbine repair lifting equipment has larger cost advantage.Currently, the climbing mechanism for being directed to offshore wind turbine is main
It using spud leg formula mechanism, that is, needs to punch on blower fan tower barrel, then be climbed by flexible spud leg, but not institute
The blower fan tower barrel that some has been built all has punched, and such structure cannot adapt to all wind turbine situations, punch simultaneously
The intensity of tower will certainly be reduced, and some towers are that lower end diameter is larger, the smaller variable-diameter structure of upper end diameter, spud leg formula
Structure be difficult then to be adapted to.
Invention content
It is simple in structure and can be automatically along sea the present invention relates to a kind of novel self-crawling type offshore wind turbine crane
Wind-power tower is climbed.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
A kind of novel self-crawling type offshore wind turbine crane, it is characterised in that：Including four adjustable hood type fixing devices, lifting work
Make platform and gantry body, lifting working platform includes platform support, the first sliding part, the second sliding part and driving mechanism,
First sliding part is slidably arranged on the second sliding part and can vertically slide, and the first sliding part connects with driving mechanism
It connects and is driven by driving mechanism, platform support is fixed on the first sliding part side, and gantry body is fixed on platform support, four
Adjustable hood type fixing device is divided into two groups and is separately fixed on the first sliding part and the second sliding part, and every adjustable hood type is solid
Determine device to include multiple female connection sections, multiple external tooths connection section, be fixedly connected with section, gear and path transfer speed reducer, multiple female connections
The setting of section bunchiness and two neighboring mother's connection section end are hinged, and composition is female to connect section string, and multiple external tooth connection section bunchiness are set
It sets and two neighboring external tooth connection section end is hinged and constitutes external tooth connection section string, one end of mother's connection section string is hinged on solid
On fixed connection section, female other end for connecting section string connect one end that section is gone here and there with external tooth and is hinged, and mother's connection section is gone here and there as hollow structure simultaneously
And internal cavities connect section String matching with external tooth, gear is rotatably arranged on to be fixedly connected and saves upper and driven by path transfer speed reducer,
The external tooth connection section string other end is slidably arranged in the internal cavities of female connection section string, and external tooth connection section string outside tooth is nibbled with gear
It closes.
Further, the gear quantity is two, and two gears, which are rotatably arranged on, is fixedly connected with Jie Nei and two
Gear connect section string engagement with external tooth, and each gear is driven by a path transfer speed reducer respectively.
Further, the inside that female connection section connects section with external tooth is both provided with anti-skidding frictional layer.
Further, first sliding part is sleeve, and the second sliding part is litter, and driving mechanism uses hydraulic cylinder, sliding
Pole is vertically arranged, and sleeve is set on litter and can vertically erect in the Slideslip outside litter, hydraulic cylinder edge
For histogram to setting, hydraulic cylinder lower end is fixed on litter lower end, and hydraulic cylinder upper end is fixed on sleeve upper side, two adjustable anchor ears
Formula fixing device is separately fixed at litter upper and lower ends, and two other is adjustable, and hood type fixing device is separately fixed at sleeve or more
Both ends.
Further, the platform support is horizontally disposed and the side of platform support is fixed on sleeve upper end,
It is provided with inclined shore bar on the downside of platform support, inclined shore bar is obliquely installed and inclined shore bar lower end is fixed on sleeve side
Face lower end, inclined shore bar upper end are fixed on the downside of the platform support other side.
Further, the gantry body includes tower body, principal arm, folding arm, telescopic arm, amplitude oil cylinder and folding arm oil cylinder,
Tower body is vertically arranged, and principal arm one end is hinged on tower body upper end, and the principal arm other end is hinged with folding arm one end, and telescopic arm is fixed at
On folding arm, amplitude oil cylinder one end is hinged on principal arm, and the amplitude oil cylinder other end is hinged on tower body lower end, and folding arm oil cylinder one end is hinged
On principal arm, the folding arm oil cylinder other end is hinged on folding arm.
Further, pedestal and pivoting support are provided on the downside of the tower body, pedestal is fixed on the upside of platform support, revolution
Supporting and fixing is arranged on pivoting support in pedestal upper end, tower body lower end and can be along pivoting support central axis.
Further, the telescopic arm includes retracting cylinder, telescopic rod and telescopic oil cylinder, and retracting cylinder is fixed at folding arm
On, telescopic rod is arranged in retracting cylinder and can be free to slide along retracting cylinder inner wall, and telescopic oil cylinder is along telescopic rod sliding side
To setting and telescopic oil cylinder cylinder body be fixed on retracting cylinder, the driving boom end of telescopic oil cylinder is fixed on telescopic rod.
Compared with prior art, the present invention haing the following advantages and effect：The novel self-crawling type offshore wind turbine of the present invention rises
Heavy-duty machine structure novel is reliable for operation, especially suitable for the prodigious occasion of offshore fan tower barrel diameter change；And because of connection section
Joint number is more, is pressurized when being combined with tower uniform, the load that can be born is big, especially suitable for offshore wind turbine occasion.
Description of the drawings
Fig. 1 is a kind of schematic diagram of novel self-crawling type offshore wind turbine crane of the present invention.
Fig. 2 is a kind of signal of the adjustable hood type fixing device of novel self-crawling type offshore wind turbine crane of the present invention
Figure.
Fig. 3 is a kind of schematic diagram of the lifting working platform of novel self-crawling type offshore wind turbine crane of the present invention.
Fig. 4 is a kind of schematic diagram of the gantry body of novel self-crawling type offshore wind turbine crane of the present invention.
Fig. 5 is a kind of propradation change schematic diagram of novel self-crawling type offshore wind turbine crane of the present invention.
Fig. 6 is a kind of decline state change schematic diagram of novel self-crawling type offshore wind turbine crane of the present invention.
Specific implementation mode
The present invention is described in further detail below in conjunction with the accompanying drawings and by embodiment, and following embodiment is to this hair
Bright explanation and the invention is not limited in following embodiments.
As shown in Figure 1, a kind of novel self-crawling type offshore wind turbine crane of the present invention, including four adjustable hood types are fixed
Device 1, lifting working platform 2 and gantry body 3, lifting working platform 2 include platform support 4, the first sliding part, the second cunning
Moving part and driving mechanism, the first sliding part are slidably arranged on the second sliding part and can vertically slide, and first slides
Moving part connect with driving mechanism and is driven by driving mechanism, and platform support 4 is fixed on the first sliding part side, and gantry body 3 is solid
It is scheduled on platform support 4, four adjustable hood type fixing devices 1 are divided into two groups and are separately fixed at the first sliding part and the second sliding
On part, as shown in Fig. 2, every adjustable hood type fixing device 1 includes multiple mother's connection sections 5, multiple external tooths connection section 6, fixes
Connection section 7, gear 8 and path transfer speed reducer, multiple female connections save the setting of 5 bunchiness and 5 ends of two neighboring female connection section are mutual
Hinged to constitute mother's connection section string, multiple external tooth connections save the setting of 6 bunchiness and 6 ends of two neighboring external tooth connection section are hinged
External tooth connection section string is constituted, one end of mother's connection section string, which is hinged on, to be fixedly connected on section 7, the other end and external tooth of mother's connection section string
One end of connection section string is hinged, and mother's connection section string is hollow structure and internal cavities connect section String matching, 8 turns of gear with external tooth
Dynamic setting drives on being fixedly connected with section 7 and by path transfer speed reducer, and the external tooth connection section string other end is slidably arranged in female connection
In the internal cavities for saving string, external tooth connection section string outside tooth is engaged with gear 8.
8 quantity of gear be two, two gears 8 be rotatably arranged on be fixedly connected section 7 in and two gears 8 with outside
Tooth connection section string engagement, each gear are driven by a path transfer speed reducer respectively.Mother's connection section 5 connects the inside of section 6 with external tooth
It is both provided with anti-skidding frictional layer.
As shown in figure 3, the first sliding part is sleeve 9, the second sliding part is litter 10, and driving mechanism uses hydraulic cylinder 11,
Litter 10 is vertically arranged, and sleeve 9 is set on litter 10 and can be vertically in 10 outer Slideslip of litter, liquid
Cylinder pressure 11 is vertically arranged, and 11 lower end of hydraulic cylinder is fixed on 10 lower end of litter, and 11 upper end of hydraulic cylinder is fixed on 9 upper end of sleeve
Side, two adjustable hood type fixing devices 1 are separately fixed at 10 upper and lower ends of litter, and two other is adjustable, and hood type fixes dress
It sets 1 and is separately fixed at 9 upper and lower ends of sleeve.Platform support 4 is horizontally disposed and the side of platform support 4 is fixed on set
9 upper ends of cylinder, 4 downside of platform support are provided with inclined shore bar 12, and inclined shore bar 12 is obliquely installed and inclined shore bar 12
Lower end is fixed on 9 side lower end of sleeve, and 12 upper end of inclined shore bar is fixed on the downside of 4 other side of platform support.
As shown in figure 4, gantry body 3 includes tower body 13, principal arm 14, folding arm 15, telescopic arm, amplitude oil cylinder 16 and folding arm
Oil cylinder 17, tower body 13 are vertically arranged, and 14 one end of principal arm is hinged on 13 upper end of tower body, and 14 other end of principal arm is cut with scissors with 15 one end of folding arm
It connects, telescopic arm is fixed on folding arm 15, and 16 one end of amplitude oil cylinder is hinged on principal arm 14, and 16 other end of amplitude oil cylinder is hinged
In 13 lower end of tower body, 17 one end of folding arm oil cylinder is hinged on principal arm 14, and 17 other end of folding arm oil cylinder is hinged on folding arm 15.Tower body
13 downsides are provided with pedestal 18 and pivoting support 19, and pedestal 18 is fixed on 4 upside of platform support, and pivoting support 19 is fixed on pedestal
18 upper ends, 13 lower end of tower body are arranged on pivoting support 19 and can be along 19 central axis of pivoting support.Telescopic arm packet
Containing retracting cylinder 20, telescopic rod 21 and telescopic oil cylinder 22, retracting cylinder 20 is fixed on folding arm 15, and the setting of telescopic rod 21 is flexible
And can be free to slide along 20 inner wall of retracting cylinder in cylinder 20, telescopic oil cylinder 22 is arranged and stretches along 21 glide direction of telescopic rod
22 cylinder body of contracting oil cylinder is fixed on retracting cylinder 20, and the driving boom end of telescopic oil cylinder 22 is fixed on telescopic rod 21.
Crane realizes climbing for entire crane by the combination of adjustable hoop fixing device and lifting working platform
It rises, shown in institute Fig. 5：When state 1, two anchor ears on litter keep holding tightly under the driving of path transfer speed reducer, anchor ear and tower
Enough frictional force is generated to support the erect-position of litter between cylinder；It is protected under the driving of path transfer speed reducer with two anchor ears of after sleeve
Release is held, hydraulic cylinder ejection band moving sleeve rises together, to realize the rising of workbench and crane the machine.When rising to
State 2 will be entered when the range of oil cylinder, workbench and gantry body rise the maximum row once climbed at this time
Journey；It keeps holding tightly under the driving of path transfer speed reducer with two anchor ears of after sleeve, enough frictions is generated between anchor ear and tower
Power is with the erect-position of stop sleeve；Two anchor ears of litter keep unclamping under the driving of path transfer speed reducer, and hydraulic cylinder, which is retracted, to be driven
Litter rises to range together, so far completes a cycle；Crane system is returned to state 1, is prepared to enter into next
Cycle.So cycle realizes the action of climbing of entire crane system, until crane rises to the top of wind-power tower,
Four bands keep holding tightly under the driving of path transfer speed reducer together at this time, support erect-position when crane lifting operation.
Crane is realized by the combination of adjustable hoop fixing device and lifting working platform under entire crane
Drop, shown in institute Fig. 6：When state 2, two anchor ears on litter keep holding tightly under the driving of path transfer speed reducer, anchor ear and tower
Enough frictional force is generated to support the erect-position of litter between cylinder；It is protected under the driving of path transfer speed reducer with two anchor ears of after sleeve
Release is held, hydraulic cylinder is retracted to be declined together with moving sleeve, to realize the decline of workbench and crane the machine.When dropping to
State 1 will be entered when the range of oil cylinder, workbench and gantry body have dropped the maximum row once climbed at this time
Journey；It keeps holding tightly under the driving of path transfer speed reducer with two anchor ears of after sleeve, enough frictions is generated between anchor ear and tower
Power is with the erect-position of stop sleeve；Two anchor ears of litter keep unclamping under the driving of path transfer speed reducer, and hydraulic cylinder, which is retracted, to be driven
Litter drops to range together, so far completes a cycle；Crane system is returned to state 2, is prepared to enter into next
Cycle.So cycle realizes the lowering action of entire crane system.
Described in this specification above content is only illustrations made for the present invention.Technology belonging to the present invention
The technical staff in field can do various modifications or supplement to described specific embodiment or substitute by a similar method, only
The guarantor of the present invention should all be belonged to without departing from the content or beyond the scope defined by this claim of description of the invention
Protect range.
Claims (8)
1. a kind of novel self-crawling type offshore wind turbine crane, it is characterised in that：Including four adjustable hood type fixing devices, lifting
Workbench and gantry body, lifting working platform include platform support, the first sliding part, the second sliding part and driving machine
Structure, the first sliding part are slidably arranged on the second sliding part and can vertically slide, the first sliding part and driving machine
Structure connection is driven by driving mechanism, and platform support is fixed on the first sliding part side, and gantry body is fixed on platform support,
Four adjustable hood type fixing devices are divided into two groups and are separately fixed on the first sliding part and the second sliding part, every adjustable anchor ear
Formula fixing device includes multiple female connection sections, multiple external tooths connection section, is fixedly connected with section, gear and path transfer speed reducer, Duo Gemu
Connection section bunchiness setting and two neighboring female connection section end are hinged the female connection section string of composition, multiple external tooths connection sections at
String setting and two neighboring external tooth connection section end, which are hinged, constitutes external tooth connection section string, and one end of mother's connection section string is hinged
On being fixedly connected with section, female other end for connecting section string connect one end that section is gone here and there with external tooth and is hinged, and mother's connection section is gone here and there as hollow knot
Structure and internal cavities connect section String matching with external tooth, and gear is rotatably arranged on to be fixedly connected and saves upper and driven by path transfer speed reducer
Dynamic, the external tooth connection section string other end is slidably arranged in the internal cavities of female connection section string, external tooth connection section string outside tooth and tooth
Wheel engagement.
2. a kind of novel self-crawling type offshore wind turbine crane described in accordance with the claim 1, it is characterised in that：The gear quantity
Be two, two gears be rotatably arranged on be fixedly connected Jie Nei and two gear connect with external tooth section string engagement, each
Gear is driven by a path transfer speed reducer respectively.
3. a kind of novel self-crawling type offshore wind turbine crane described in accordance with the claim 1, it is characterised in that：Female connection section
The inside that section is connected with external tooth is both provided with anti-skidding frictional layer.
4. a kind of novel self-crawling type offshore wind turbine crane described in accordance with the claim 1, it is characterised in that：First sliding
Part is sleeve, and the second sliding part is litter, and driving mechanism uses hydraulic cylinder, litter to be vertically arranged, and sleeve is set in cunning
Can vertically the Slideslip outside litter, hydraulic cylinder it be arranged on pole and vertically, hydraulic cylinder lower end is fixed on cunning
Pole lower end, hydraulic cylinder upper end are fixed on sleeve upper side, and two adjustable hood type fixing devices are separately fixed at litter or more
Both ends, two other is adjustable, and hood type fixing device is separately fixed at sleeve upper and lower ends.
5. a kind of novel self-crawling type offshore wind turbine crane according to claim 4, it is characterised in that：The platform support
Horizontally disposed and platform support side is fixed on sleeve upper end, and inclined shore bar is provided on the downside of platform support,
Inclined shore bar is obliquely installed and inclined shore bar lower end is fixed on cartridges sides lower end, and inclined shore bar upper end is fixed on flat
On the downside of the platform holder other side.
6. a kind of novel self-crawling type offshore wind turbine crane described in accordance with the claim 1, it is characterised in that：The crane sheet
Body includes that tower body, principal arm, folding arm, telescopic arm, amplitude oil cylinder and folding arm oil cylinder, tower body are vertically arranged, and principal arm one end is hinged on tower
It holds with it, the principal arm other end is hinged with folding arm one end, and telescopic arm is fixed on folding arm, and amplitude oil cylinder one end is hinged on principal arm
On, the amplitude oil cylinder other end is hinged on tower body lower end, and folding arm oil cylinder one end is hinged on principal arm, and the folding arm oil cylinder other end is hinged on
On folding arm.
7. a kind of novel self-crawling type offshore wind turbine crane described in accordance with the claim 1, it is characterised in that：On the downside of the tower body
It is provided with pedestal and pivoting support, pedestal is fixed on the upside of platform support, and pivoting support is fixed on pedestal upper end, and tower body lower end is set
It sets on pivoting support and can be along pivoting support central axis.
8. a kind of novel self-crawling type offshore wind turbine crane described in accordance with the claim 1, it is characterised in that：The telescopic arm packet
Containing retracting cylinder, telescopic rod and telescopic oil cylinder, retracting cylinder is fixed on folding arm, and telescopic rod is arranged in retracting cylinder and can
It is free to slide along retracting cylinder inner wall, telescopic oil cylinder along telescopic rod glide direction be arranged and telescopic oil cylinder cylinder body be fixed on it is flexible
On cylinder, the driving boom end of telescopic oil cylinder is fixed on telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810295048.8A CN108275585A (en) | 2018-04-04 | 2018-04-04 | A kind of novel self-crawling type offshore wind turbine crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810295048.8A CN108275585A (en) | 2018-04-04 | 2018-04-04 | A kind of novel self-crawling type offshore wind turbine crane |
Publications (1)
| Publication Number | Publication Date |
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| CN108275585A true CN108275585A (en) | 2018-07-13 |
Family
ID=62810939
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| CN201810295048.8A Pending CN108275585A (en) | 2018-04-04 | 2018-04-04 | A kind of novel self-crawling type offshore wind turbine crane |
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| CN (1) | CN108275585A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108715409A (en) * | 2018-09-06 | 2018-10-30 | 范晓刚 | Wind-power electricity generation installs loop wheel machine |
| CN108821133A (en) * | 2018-09-04 | 2018-11-16 | 上海峙狄机械设备有限公司 | Self-crawling type crane based on Wind turbines tower ontology |
| CN109969955A (en) * | 2019-04-29 | 2019-07-05 | 远大可建科技有限公司 | A kind of climb is hung, using its cylinder hanging apparatus and hanging method |
| CN110143531A (en) * | 2019-06-24 | 2019-08-20 | 三一重能有限公司 | From crane and the wind-powered electricity generation to maintain equipment of climbing |
| CN114109970A (en) * | 2022-01-25 | 2022-03-01 | 三一重型装备有限公司 | Hydraulic oil cylinder, telescopic arm and tunneling and anchoring machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108821133A (en) * | 2018-09-04 | 2018-11-16 | 上海峙狄机械设备有限公司 | Self-crawling type crane based on Wind turbines tower ontology |
| CN108715409A (en) * | 2018-09-06 | 2018-10-30 | 范晓刚 | Wind-power electricity generation installs loop wheel machine |
| CN109969955A (en) * | 2019-04-29 | 2019-07-05 | 远大可建科技有限公司 | A kind of climb is hung, using its cylinder hanging apparatus and hanging method |
| CN110143531A (en) * | 2019-06-24 | 2019-08-20 | 三一重能有限公司 | From crane and the wind-powered electricity generation to maintain equipment of climbing |
| CN114109970A (en) * | 2022-01-25 | 2022-03-01 | 三一重型装备有限公司 | Hydraulic oil cylinder, telescopic arm and tunneling and anchoring machine |
| CN114109970B (en) * | 2022-01-25 | 2022-04-26 | 三一重型装备有限公司 | Hydraulic oil cylinder, telescopic arm and tunneling and anchoring machine |
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Application publication date: 20180713 |