CN107500155B - A kind of slewing equipment of marine platform crane - Google Patents
A kind of slewing equipment of marine platform crane Download PDFInfo
- Publication number
- CN107500155B CN107500155B CN201710562103.0A CN201710562103A CN107500155B CN 107500155 B CN107500155 B CN 107500155B CN 201710562103 A CN201710562103 A CN 201710562103A CN 107500155 B CN107500155 B CN 107500155B
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- Prior art keywords
- support
- annulus
- rotating body
- slewing equipment
- axle bed
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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
- 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
- B66C23/84—Slewing gear
Abstract
A kind of slewing equipment of marine platform crane, including bearing arrangement, rotating body and driving device；Bearing arrangement includes support ring body and fixing piece；Fixing piece is installed on the outside of support ring body；Rotating body includes annulus and two support arms；Annulus is vertically arranged to the top of support ring body；The first stiffener plate is provided between the inner tube wall and outer tube wall of annulus, the first stiffener plate is symmetrically distributed vertically using inner cylinder as axis center；Two support arms are connected to the two sides of annulus, and are parallel to each other；The rear end of support arm is triangulo column structure；The lateral surface of two triangulo column structures is parallel to each other；Support arm and annulus are an integral structure；Driving device is installed on the bottom outside of rotating body, for driving rotating body to support ring body to rotate as shaft；The slewing equipment of marine platform crane proposed by the present invention can effectively dispersive stress act on, and whole intensity and bearing capacity are higher, stress more equalization stable.
Description
Technical field
The present invention relates to offshore platform lifting technique field more particularly to a kind of slewing equipments of marine platform crane.
Background technique
With the development of offshore wind farm and oil exploitation industry, the demand of offshore platform loop wheel machine is increasingly increased at present
Add, and the particularity under the stormy waves environment of ocean and for heavy duty work, so that being wanted to the structure of offshore platform loop wheel machine
It asks and also gradually increases.
The slewing equipment of existing offshore platform loop wheel machine is installed on the pedestal of loop wheel machine by using the mode of revolving platform, and
And its center needs to offer the stake holes in enough spaces so that spud leg can extend there through, and is occupied with reaching section space-efficient, but
Since the major diameter at revolving platform center crosses the presence of stake holes, the integral strength and carrying energy of revolving platform often will be greatly reduced
Power；And it is set on revolving platform usually in a manner of support frame, support of the Lai Shixian for tripod and boom, but often
Space waste between support frame and revolving platform is formed, and often there is also unbalance stress while rotary motion for support frame
The problem of weighing apparatus, so as to cause the service life for influencing slewing equipment, the stability of rotation is low.
Summary of the invention
It is an object of the invention to propose a kind of slewing equipment of marine platform crane, can effectively dispersive stress make
With whole intensity and bearing capacity are higher, stress more equalization stable.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of slewing equipment of marine platform crane, it is characterised in that: including bearing arrangement, rotating body and driving dress
It sets；The bearing arrangement includes support ring body and fixing piece；The fixing piece is installed on the outside of the support ring body, and being used for will
The support ring body is fixedly installed on the pedestal of loop wheel machine；
The rotating body includes annulus and two support arms；The annulus is vertically arranged to the support ring
The top of body；Several pieces of the first stiffener plates are provided between the inner tube wall and outer tube wall of the annulus, described first adds
Strengthening tendons plate is symmetrically distributed vertically using inner cylinder as axis center；Two support arms are connected to the two sides of the annulus,
And it is parallel to each other；The rear end of the support arm is triangulo column structure；And the lateral surface of two triangulo column structures is parallel to each other；
The support arm and the annulus are an integral structure；The driving device is installed on outside the bottom of the rotating body
Side, for driving the rotating body to support ring body to rotate as shaft.
It further illustrates, the rotating body further includes main platform, and the main plateau levels are installed on two supports
Top between arm rear end, and the arc edge of the edge of one end and the annulus cooperates；The main platform and described
The maintenance main platform of less important work is collectively constituted at the top of support arm.
It further illustrates, the support arm is additionally provided with several pieces of the second stiffener plates, and second stiffener plate is vertical
It is fixed on the inside of the support arm.
It further illustrating, the bottom surface of the rear end of the support arm is prolonged the direction far from the annulus and is tilted upwards, and
And its end is surface blending.
It further illustrates, the support arm is provided with the first axle bed and the second axle bed；First axle bed includes on two
Axle bed after axle bed and two；The front bearing support is respectively arranged in the front top of two support arms；Axle bed difference after described
It is installed on the rear end rear portion of two support arms；Two upper axle beds and two rear axle beds are respectively used to installation triangle
The bottom four corners of frame；Second axle bed includes two front bearing supports；The front bearing support is respectively arranged in two support arms
Front end front；Two front bearing supports are for installing boom rear end.
It further illustrates, the rotating body further includes support rod, and the both ends of the support rod are connected to two institutes
The rear end of support arm is stated, and is located at the lower section of the rear axle bed；The support rod is for connecting span winch mounting platform.
It further illustrates, the driving device includes hydraulic drive mechanism and gear, and the gear is installed on the rotation
The bottom outside of ontology, and drive the gear to rotate by the hydraulic drive mechanism, for driving the rotating body to prop up
Pushing out ring body rotates for shaft.
It further illustrates, the gear includes multiple external gears and internal gear；The external gear is respectively arranged in two institutes
State the exterior bottom of support arm；The internal gear is installed on the exterior bottom of the annulus, and is located at two branch
Between brace.
It further illustrates, the exterior bottom of the annulus is also horizontally installed with maintenance less important work auxiliary platform, described
Maintenance less important work auxiliary platform is enclosed set on the two sides of the internal gear, is mutually perpendicular to.
It further illustrates, the bottom of the rotating body is additionally provided with several pieces of gusseted blocks, the gusseted block
It is installed on the exterior bottom of two support arms.
Beneficial effects of the present invention: by the mounting post pore structure being mutually made of support ring body and annulus, no
It so that the spud leg of elevating mechanism is passed through installation post holes, realize that loop wheel machine is installed around stake and rotated around stake, revolution dress
Set the effect rotated around stake, and be formed by post holes structure can also make slewing equipment install when rotated post holes by masterpiece
With more uniform, effective dispersive stress effect avoids the problem that stress is concentrated and crack or fracture occurs, the stability of rotation
It is good；And the integral strength of annulus is further enhanced by the first stiffener plate of setting, stress is avoided to concentrate on cylinder
Wall is more uniformly stressed it, keeps the barrel of annulus thinner, is self-possessed lighter, and intensity is high, and the stability of rotation is more preferable；
Post holes structure also further plays better guiding role to spud leg simultaneously.
It is combined in addition, using two support arms and being an integral structure with annulus, to expand annular sleeve
The forced area of cylinder further disperses the stress of annulus, keeps the integral strength of rotating body and bearing capacity higher,
Structure is more stable；And the occupancy in the space of its structure is more spent small；Triangulo column knot is set by the rear end of support arm simultaneously
Structure, stability and intensity are higher, also more adapt to position higher for slewing equipment structural stress and carry out enhancing its stress
The effect of dispersion, to reach the distribution of more reasonable material use；And the lateral surface of triangulo column structure is parallel to each other, and makes
The integrally-built stress of the rotating body is more balanced.
Detailed description of the invention
Fig. 1 is the front view of the slewing equipment of the marine platform crane of one embodiment of the invention；
Fig. 2 is the top view of the slewing equipment of the marine platform crane of one embodiment of the invention；
Fig. 3 is the side view of the slewing equipment of the marine platform crane of one embodiment of the invention；
Wherein: bearing arrangement 1 supports ring body 11, fixing piece 12, rotating body 2, annulus 21, the first stiffener plate
211, gusseted block 212, support arm 22, the first axle bed 221, upper axle bed 2211, rear axle bed 2212, the second axle bed 222, front axle
Seat 2221, the second stiffener plate 223, main platform 23, support rod 24, driving device 3, hydraulic drive mechanism 31, gear 32, external tooth
Wheel 311, internal gear 312 repair the main platform 4 of less important work, and span winch mounting platform 5 repairs less important work auxiliary platform 6.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
As depicted in figs. 1 and 2, a kind of slewing equipment of marine platform crane, including bearing arrangement 1, rotating body 2 and drive
Dynamic device 3；The bearing arrangement 1 includes support ring body 11 and fixing piece 12；The fixing piece 12 is installed on the support ring body
11 outside, for the support ring body 11 to be fixedly installed in the pedestal of loop wheel machine；
The rotating body 2 includes annulus 21 and two support arms 22；The annulus 21 is vertically arranged to institute
State the top of support ring body 11；Several pieces of the first stiffener plates are provided between the inner tube wall and outer tube wall of the annulus 21
211, first stiffener plate 211 is symmetrically distributed vertically using inner cylinder as axis center；Two support arms 22 are connected to
The two sides of the annulus 21, and be parallel to each other；The rear end of the support arm 22 is triangulo column structure；And two triangular prisms
The lateral surface of body structure is parallel to each other；The support arm 22 and the annulus 21 are an integral structure；
The driving device 3 is installed on the bottom outside of the rotating body 2, for driving the rotating body 2 to prop up
Pushing out ring body 11 rotates for shaft.
The slewing equipment of a kind of marine platform crane proposed by the present invention, by rotating body 2 by supporting ring body 11 to install
It is fixed on the pedestal of loop wheel machine, and by fixing piece 12, wherein the fixing piece 12 can be fixed for bolt, compared to existing
Technology has the advantage that
By using the support ring body 11 of the bearing arrangement 1 and the annulus 21 of the rotating body 2 come mutual group
At mounting post pore structure, so that the spud leg of elevating mechanism is passed through installation post holes, realize that loop wheel machine is pacified around stake
It fills and is rotated around stake, the effect that slewing equipment is rotated around stake, and be formed by jointly by annulus 21 and support ring body 11
The stress effect that post holes structure can also make slewing equipment install post holes when rotated is more uniform, effective dispersive stress effect,
Avoid the problem that stress is concentrated and crack or fracture occurs, the stability of rotation is good；And pass through the first stiffener plate of setting
211 further strengthen the integral strength of the annulus 21, avoid stress from concentrating on barrel, are more uniformly stressed it,
Keep the barrel of the annulus 21 thinner, be self-possessed lighter, and intensity is high, the stability of rotation is more preferable, while post holes structure
Better guiding role further is played to spud leg.
It is combined in addition, using two support arms 22 and being an integral structure with the annulus 21, thus
The forced area of annulus 21 is effectively expanded, further disperses the stress of annulus 21, makes the whole of rotating body 2
Body intensity and bearing capacity are higher, and structure is more stable；And it is set on revolving platform compared to existing support construction, structure
Space occupancy more spend it is small；Triangulo column structure is set by the rear end of the support arm 22 simultaneously, compares existing strip
The stability and intensity of shape structure are higher, also more adapt to enhance the higher position of slewing equipment structural stress
The effect of its stress dispersion, to reach the distribution of more reasonable material use；And the lateral surface of triangulo column structure is mutual
In parallel, make the integrally-built stress of the rotating body 2 more balanced.
It further illustrates, the rotating body 2 further includes main platform 23, and the main platform 23 is horizontally installed to described in two
Top between 22 rear end of support arm, and the arc edge of the edge of one end and the annulus 21 cooperates；The master is flat
The top of platform 23 and the support arm 22 collectively constitutes the maintenance main platform 4 of less important work.Pass through the main platform 23 and the branch
The top of brace 22 has collectively constituted the main platform 4 of maintenance less important work and has been convenient to operator not only when repairing detection
It climbs up slewing equipment and carries out detection and maintenance operation of each structure etc., stable structure and have a safety feature；And it makes full use of
The space at entire 2 top of rotating body effectively carries out revolving around stake, makes slewing equipment top without influencing the rotating body 2
Space utilization rate it is higher, also ensure the safety of operator.
It further illustrates, the support arm 22 is additionally provided with several pieces of the second stiffener plates 223, second stiffener plate
223 are fixed on the inside of the support arm 22 vertically.It is described to further increase by the way that second stiffener plate 223 is arranged
The integral strength of support arm 22, and can be according to the height situation of the stress of 22 part of support arm, to carry out described second
The position of stiffener plate 223 and quantity distribution, to keep and intensity height, the stress lighter from weight of the support arm 22 more flat
Weighing apparatus.
It further illustrates, the direction far from the annulus 21 is prolonged to updip in the bottom surface of the rear end of the support arm 22
Tiltedly, and its end is surface blending.Non-horizontal surface structure is set by the bottom surface of the rear end of the support arm 22, can reach
On the basis of ensuring that the support arm 22 has enough strength and stabilities, material is greatly saved, and terminally positioned
For surface blending, the effect that position higher for stress enhance the dispersion of its stress is dexterously enhanced, to reach more
Adduction reason and the lower structure design of cost.
It further illustrates, the support arm 22 is provided with the first axle bed 221 and the second axle bed 222；First axle bed 221
Including axle bed 2212 after two upper axle beds 2211 and two；The upper axle bed 2211 is respectively arranged in two support arms 22
Front top；Axle bed 2212 is respectively arranged in the rear end rear portion of two support arms 22 after described；Two upper axle beds
2211 and two it is described after axle beds 2212 be respectively used to installation tripod bottom four corners；Second axle bed 222 includes two
Front bearing support 2221；The front bearing support 2221 is respectively arranged in the front end front of two support arms 22；Two front bearing supports
2221 for installing boom rear end.Since tripod is mounted to the top of the slewing equipment, and boom is to be horizontally installed to
The front end of the slewing equipment, to make boom vertically rotate movement with tripod fulcrum, and using slewing equipment as shaft
Make horizontal revolving motion；Therefore in order to reinforce the stability of tripod and boom installation；It then will be used to install the first of tripod
The front bearing support 2211 of axle bed 221 is installed on the front top of the support arm 22, and will it is described after axle bed 2212 be installed on it is described
The rear end rear portion of support arm 22 to not only play longitudinal holding power to tripod bottom, but also has horizontal anti-work
Firmly, make its mounting structure more stable；And the front bearing support 2221 of second axle bed 222 is installed on the support arm 22
Front end front, that not only realizes boom stablizes installation, while also enhancing the stress balance before and after the slewing equipment, thus real
Show tripod and boom and stablizing for slewing equipment is installed, balances the stress of support arm 22 when rotated more.
It further illustrates, the rotating body 2 further includes support rod 24, and the both ends of the support rod 24 are connected to two
The rear end of a support arm 22, and it is located at the lower section of the rear axle bed 2212；The support rod 24 is for connecting span winch
Mounting platform 5.By the way that the support rod 24 is arranged in the rear end of two support arms 22, consequently facilitating installation span winch peace
Assembling platform 5, improves the utilization rate in the space on the slewing equipment top, and can also more actual conditions needs, can will
5 size of span winch mounting platform is adjusted to reduce the weight load of the slewing equipment, and flexibility is more preferable.
It further illustrates, as shown in figure 3, the driving device 3 includes hydraulic drive mechanism 31 and gear 32, the gear
31 are installed on the bottom outside of the rotating body 2, and drive the gear 31 to rotate by the hydraulic drive mechanism, are used for band
The rotating body 2 is moved to support ring body 11 to rotate for shaft.By the way that gear 31 is installed on the rotating body 2
Bottom outside keeps the stress of rotating body 2 more stable by driving in the outside of the rotating body 2 to it, from
And reach more stable rotary motion.
It further illustrates, the gear 31 includes multiple external gears 311 and internal gear 312；The external gear 311 is pacified respectively
Exterior bottom loaded on two support arms 22；The internal gear 312 is installed on the exterior bottom of the annulus 21, and
And it is located between two support arms 22.The external gear 311 is installed on to the exterior bottom of the support arm 22, and will
The internal gear 312 is installed on the exterior bottom of the annulus 21, to reach the common driving of multi-region position, to make to institute
The driving force for stating rotating body 2 is more balanced, and the rotary motion for enhancing the slewing equipment entirety is more stable.
It further illustrates, the exterior bottom of the annulus 21 is also horizontally installed with maintenance less important work auxiliary platform 6, institute
It states maintenance less important work auxiliary platform 6 to enclose set on the two sides of the internal gear 312, be mutually perpendicular to.It is auxiliary by the way that the maintenance is arranged
Operation auxiliary platform 6 is helped, takes full advantage of the space between the support arm 22 to realize that operator is more easily being located at
The maintenance and inspection of the corresponding constructions such as internal gear 312 are carried out between two support arms 22.
It further illustrates, the bottom of the rotating body 2 is additionally provided with several pieces of gusseted blocks 212, the triangle branch
Bracer 212 is installed on the exterior bottom of two support arms 22.Bottom and the bearing arrangement due to the rotating body 2
1 support ring body 11 is connected with each other, therefore, to assure that enough intensity is to realize stable rotary motion, therefore it passes through setting institute
Gusseted block 212 is stated to further enhance the intensity of 2 bottom of rotating body, to improve the steady of the rotation of rotating body 2
It is qualitative.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field
Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of slewing equipment of marine platform crane, it is characterised in that: including bearing arrangement, rotating body and driving device；
The bearing arrangement includes support ring body and fixing piece；The fixing piece is installed on the outside of the support ring body, is used for institute
Support ring body is stated to be fixedly installed on the pedestal of loop wheel machine；
The rotating body includes annulus and two support arms；The annulus is vertically arranged to the support ring body
Top；Several pieces of the first stiffener plates, first reinforcing rib are provided between the inner tube wall and outer tube wall of the annulus
Plate is symmetrically distributed vertically using inner cylinder as axis center；Two support arms are connected to the two sides of the annulus, and phase
It is mutually parallel；The rear end of the support arm is triangulo column structure；And the lateral surface of two triangulo column structures is parallel to each other；It is described
Support arm and the annulus are an integral structure；The driving device is installed on the bottom outside of the rotating body, uses
In the driving rotating body to support ring body to rotate as shaft.
2. a kind of slewing equipment of marine platform crane according to claim 1, it is characterised in that: the rotating body is also
Including main platform, the main plateau levels are installed on the top between two support arm rear ends, and the edge of one end with
The arc edge of the annulus cooperates；Maintenance less important work master is collectively constituted at the top of the main platform and the support arm
Platform.
3. a kind of slewing equipment of marine platform crane according to claim 1, it is characterised in that: the support arm is also set
Several pieces of the second stiffener plates are equipped with, second stiffener plate is fixed on the inside of the support arm vertically.
4. a kind of slewing equipment of marine platform crane according to claim 1, it is characterised in that: after the support arm
The bottom surface at end is prolonged the direction far from the annulus and is tilted upwards, and its end is surface blending.
5. a kind of slewing equipment of marine platform crane according to claim 1, it is characterised in that: the support arm setting
There are the first axle bed and the second axle bed；First axle bed includes axle bed after two upper axle beds and two；The upper axle bed is pacified respectively
Front top loaded on two support arms；Axle bed is respectively arranged in the rear end rear portion of two support arms after described；Two
A upper axle bed and two rear axle beds are respectively used to the bottom four corners of installation tripod；Second axle bed includes two
Front bearing support；The front bearing support is respectively arranged in the front end front of two support arms；Two front bearing supports are hung for installing
Arm rear end.
6. a kind of slewing equipment of marine platform crane according to claim 5, it is characterised in that: the rotating body is also
Including support rod, the both ends of the support rod are connected to the rear end of two support arms, and are located at the rear axle bed
Lower section；The support rod is for connecting span winch mounting platform.
7. a kind of slewing equipment of marine platform crane according to claim 1, it is characterised in that: the driving device packet
Hydraulic drive mechanism and gear are included, the gear is installed on the bottom outside of the rotating body, and by the hydraulic driving machine
Structure drives the gear rotation, for driving the rotating body to support ring body to rotate as shaft.
8. a kind of slewing equipment of marine platform crane according to claim 7, it is characterised in that: the gear includes more
A external gear and internal gear；The external gear is respectively arranged in the exterior bottom of two support arms；The internal gear installation
In the exterior bottom of the annulus, and it is located between two support arms.
9. a kind of slewing equipment of marine platform crane according to claim 8, it is characterised in that: the annulus
Exterior bottom is also horizontally installed with maintenance less important work auxiliary platform, and the maintenance less important work auxiliary platform is enclosed set on the internal gear
Two sides, be mutually perpendicular to.
10. a kind of slewing equipment of marine platform crane according to claim 1, it is characterised in that: the rotating body
Bottom be additionally provided with several pieces of gusseted blocks, the gusseted block is installed on the exterior bottom of two support arms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710562103.0A CN107500155B (en) | 2017-07-11 | 2017-07-11 | A kind of slewing equipment of marine platform crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710562103.0A CN107500155B (en) | 2017-07-11 | 2017-07-11 | A kind of slewing equipment of marine platform crane |
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| Publication Number | Publication Date |
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| CN107500155A CN107500155A (en) | 2017-12-22 |
| CN107500155B true CN107500155B (en) | 2019-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710562103.0A Active CN107500155B (en) | 2017-07-11 | 2017-07-11 | A kind of slewing equipment of marine platform crane |
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| Country | Link |
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| CN (1) | CN107500155B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109132897A (en) * | 2018-10-12 | 2019-01-04 | 中船华南船舶机械有限公司 | A kind of parallel crane of both arms and working method |
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| US4417664A (en) * | 1981-07-31 | 1983-11-29 | Nautilus Crane & Equipment Corporation | Method and apparatus for mounting lift crane on offshore structures |
| CN202245853U (en) * | 2011-09-23 | 2012-05-30 | 南通润邦重机有限公司 | Rotating platform of marine crane |
| CN103420288A (en) * | 2013-09-02 | 2013-12-04 | 南通润邦重机有限公司 | Large-scale pile winding type offshore platform crane revolving platform |
| CN104627866A (en) * | 2015-01-29 | 2015-05-20 | 中船华南船舶机械有限公司 | Pile-wrapping rotary platform |
| CN204958246U (en) * | 2015-09-16 | 2016-01-13 | 中国石油集团渤海石油装备制造有限公司 | Column type platform hoist revolving stage structure |
| CN106115510A (en) * | 2016-08-19 | 2016-11-16 | 太重（天津）重型装备科技开发有限公司 | Marine platform crane |
| CN206156637U (en) * | 2016-11-02 | 2017-05-10 | 中船华南船舶机械有限公司 | Electronic heavy hoist of frequency conversion |
| CN106744358A (en) * | 2016-11-17 | 2017-05-31 | 武汉船用机械有限责任公司 | One kind is around stake formula isolated pillar crane |
-
2017
- 2017-07-11 CN CN201710562103.0A patent/CN107500155B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4417664A (en) * | 1981-07-31 | 1983-11-29 | Nautilus Crane & Equipment Corporation | Method and apparatus for mounting lift crane on offshore structures |
| CN202245853U (en) * | 2011-09-23 | 2012-05-30 | 南通润邦重机有限公司 | Rotating platform of marine crane |
| CN103420288A (en) * | 2013-09-02 | 2013-12-04 | 南通润邦重机有限公司 | Large-scale pile winding type offshore platform crane revolving platform |
| CN104627866A (en) * | 2015-01-29 | 2015-05-20 | 中船华南船舶机械有限公司 | Pile-wrapping rotary platform |
| CN204958246U (en) * | 2015-09-16 | 2016-01-13 | 中国石油集团渤海石油装备制造有限公司 | Column type platform hoist revolving stage structure |
| CN106115510A (en) * | 2016-08-19 | 2016-11-16 | 太重（天津）重型装备科技开发有限公司 | Marine platform crane |
| CN206156637U (en) * | 2016-11-02 | 2017-05-10 | 中船华南船舶机械有限公司 | Electronic heavy hoist of frequency conversion |
| CN106744358A (en) * | 2016-11-17 | 2017-05-31 | 武汉船用机械有限责任公司 | One kind is around stake formula isolated pillar crane |
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| CN107500155A (en) | 2017-12-22 |
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Denomination of invention: A slewing device for an offshore platform crane Effective date of registration: 20220825 Granted publication date: 20190517 Pledgee: Guangdong Shunde Rural Commercial Bank Co.,Ltd. science and technology innovation sub branch Pledgor: KEEN OFFSHORE ENGINEERING Co.,Ltd. Registration number: Y2022980013563 |