CN114180469A - Offshore wind power hoisting tower crane and mounting base thereof - Google Patents

Offshore wind power hoisting tower crane and mounting base thereof Download PDF

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Publication number
CN114180469A
CN114180469A CN202210033131.4A CN202210033131A CN114180469A CN 114180469 A CN114180469 A CN 114180469A CN 202210033131 A CN202210033131 A CN 202210033131A CN 114180469 A CN114180469 A CN 114180469A
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CN
China
Prior art keywords
wind power
cross beams
offshore wind
foundation pile
tower crane
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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.)
Pending
Application number
CN202210033131.4A
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Chinese (zh)
Inventor
赵伟星
宋广
张骞
蒋跃辉
刘悦悦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan Jinli Heavy Industry Technology Co ltd
Original Assignee
Henan Jinli Heavy Industry Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henan Jinli Heavy Industry Technology Co ltd filed Critical Henan Jinli Heavy Industry Technology Co ltd
Priority to CN202210033131.4A priority Critical patent/CN114180469A/en
Publication of CN114180469A publication Critical patent/CN114180469A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/18Cranes 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 specially adapted for use in particular purposes
    • B66C23/20Cranes 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 specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
    • B66C23/203Cranes 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 specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided by posts, e.g. scaffolding, trees or masts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/18Cranes 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 specially adapted for use in particular purposes
    • B66C23/20Cranes 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 specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures
    • B66C23/207Cranes 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 specially adapted for use in particular purposes with supporting couples provided by walls of buildings or like structures with supporting couples provided by wind turbines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/18Cranes 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 specially adapted for use in particular purposes
    • B66C23/26Cranes 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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/28Cranes 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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels
    • B66C23/283Cranes 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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail constructed to operate at successively higher levels with frameworks composed of assembled elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00Cranes 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
    • B66C23/62Constructional features or details

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Transportation (AREA)
  • Wind Motors (AREA)

Abstract

The invention relates to an offshore wind power hoisting tower crane and an installation base thereof, wherein the installation base of the offshore wind power hoisting tower crane comprises a base body with a frame beam type structure, the upper end of the base body is provided with an installation part for installing a tower body of the tower crane, one side of the base body is provided with a connecting layer for connecting to a wind power foundation pile, the connecting layer comprises at least two layers which are arranged at intervals along the vertical direction, and the connecting layer is provided with a connecting part which is used for extending towards the wind power foundation pile and is fixedly connected with a lifting lug on the wind power foundation pile. The mode of traditional offshore wind turbine mounting platform is abandoned completely, the operation risk of offshore pile insertion is avoided, the improved mounting base is adopted, the hoisting tower machine can be directly fixed with the bottom of the foundation pile of the wind turbine in an overlapping mode, and the fixing mode is simple and convenient.

Description

Offshore wind power hoisting tower crane and mounting base thereof
Technical Field
The invention relates to the field of offshore wind power construction equipment, in particular to an offshore wind power hoisting tower crane and a mounting base thereof.
Background
Offshore wind power is one of important fields of renewable energy development, offshore wind energy resources in China are abundant, and the acceleration of offshore wind power development has a great promoting effect on coastal energy structures and economic development forms. At present, domestic offshore wind power equipment is basically mature, but offshore wind power installation environment is severe and installation difficulty is large.
At present, the main hoisting machinery of domestic offshore wind power can adopt different equipment according to water depth:
(1) a crawler crane beach can be configured by a deck barge in an intertidal zone, the beach-sitting hoisting difficulty is high, the seabed quicksand is serious due to the flow of tidal water, and the damage to a flat top barge is large;
(2) the shallow water area can be carried out in a mode that a large crawler crane is arranged on a semi-submersible ship with a buoyancy tank, and due to the fact that the buoyancy tank is heavy, the weight of the buoyancy tank can cause deformation of a hull on the lower layer of a WEIKO, and great risk exists;
(3) the special self-elevating platform (platform is provided with a fixed crane) is adopted in a deeper area, then the hoisting task is completed, the marine wind power hoisting operation is affected adversely by the change of marine climate at multiple ends, storm tide and the like, the conditions of equipment collision, scraping, overturning and the like are easy to occur, the self-elevating platform is high in manufacturing cost, is time-consuming and long, and when typhoon exists, a hydraulic pile cannot be pulled up in time, so that serious loss can be caused.
The three modes of the hoisting operation during the offshore wind power construction selected according to different sea depth degrees need to be additionally provided with a platform or a barge for supporting, the construction cost is high, a large amount of financial resources and time are required, the weight of the crane is high, the requirements on the bearing capacity of the platform and the barge are high, in addition, the requirements on the ocean climate are strict during the construction, and certain influence is caused on the platform or the barge under severe climate, so that certain operation risk is brought.
Disclosure of Invention
The invention aims to provide an offshore wind power hoisting tower crane, which aims to solve the problems of operation risk, high manufacturing cost, complex structure and influence on operation efficiency caused by the fact that an additional platform is required to be designed for supporting during offshore wind power construction in the prior art; the invention also aims to provide the mounting base of the offshore wind power hoisting tower crane.
In order to solve the problems, the mounting base of the offshore wind power hoisting tower crane adopts the following technical scheme:
installation base of offshore wind power hoist and mount tower machine, including frame beam type structure's pedestal, the upper end of pedestal has the installation department that is used for installing the body of the tower machine, one side of pedestal is equipped with and is used for connecting the articulamentum on the wind power foundation pile, the articulamentum has two-layer at least, along upper and lower direction interval arrangement, the articulamentum have be used for towards wind power foundation pile extend and with lug fixed connection's on the wind power foundation pile connecting portion.
Furthermore, two adjacent connecting layers are fixedly connected through a space truss, and the upper part of the connecting layer positioned on the uppermost layer forms the mounting part.
Furthermore, the connecting layer comprises two cross beams which are arranged side by side at intervals in the left-right direction, one ends of the cross beams are fixedly connected with the space truss, and the other ends of the cross beams are overhung to the outer side and are connected with the wind power foundation pile.
Furthermore, a longitudinal beam is connected between the two cross beams, and the connecting parts are arranged on the cross beams and the longitudinal beam.
Furthermore, the connecting portion comprises a connecting hole which is used for being sleeved on a lifting lug on the wind power foundation and a fixing nut which is screwed on the lifting lug.
The offshore wind power hoisting tower crane adopts the following technical scheme:
offshore wind power hoist and mount tower machine, including the tower body and connecting luffing mechanism, jib loading boom, electric system on the tower body, the bottom of tower body is connected with the mounting base, its characterized in that, the mounting base includes frame beam structure's pedestal, and the upper end of pedestal has the installation department that is used for installing the tower body of tower machine, one side of pedestal is equipped with and is used for connecting the articulamentum on the wind power foundation pile, the articulamentum has at least two-layer, along upper and lower direction interval arrangement, the articulamentum have be used for towards wind power foundation pile extend and with lug fixed connection's on the wind power foundation pile connecting portion.
Furthermore, two adjacent connecting layers are fixedly connected through a space truss, and the upper part of the connecting layer positioned on the uppermost layer forms the mounting part.
Furthermore, the connecting layer comprises two cross beams which are arranged side by side at intervals in the left-right direction, one ends of the cross beams are fixedly connected with the space truss, and the other ends of the cross beams are overhung to the outer side and are connected with the wind power foundation pile.
Furthermore, a longitudinal beam is connected between the two cross beams, and the connecting parts are arranged on the cross beams and the longitudinal beam.
Furthermore, the connecting portion comprises a connecting hole which is used for being sleeved on a lifting lug on the wind power foundation and a fixing nut which is screwed on the lifting lug.
The invention has the following beneficial effects: compared with the prior art, the offshore wind power hoisting tower machine provided by the invention has the advantages that the hoisting tower machine is directly fixed on the foundation steel pile of the fan by designing the novel mounting base, the mode of the traditional offshore fan mounting platform is completely abandoned, the operation risk of offshore pile insertion is avoided, the improved mounting base is adopted, the hoisting tower machine can be directly fixed with the bottom of the foundation pile of the fan in an overlapping manner, and the fixing mode is simple and convenient; the wind power foundation pile column has high design strength and strong bearing capacity, the fan blade is not installed in the early stage, the wind power foundation pile column can be installed on a bearing hoisting tower crane, the fan is well installed, and the hoisting tower crane is disassembled without influencing the self stress of the fan; the hoisting tower crane is not influenced by the depth of seawater in the installation process, and has wide applicability in the installation of offshore wind turbines; the cost is low, only the base is improved, the cost is not additionally increased for the hoisting tower crane, and meanwhile, the cost of an offshore installation platform is reduced; the tower crane is low in installation height, the lifting weight and the lifting height of the installation vessel are low in the installation process, and the installation vessel can be installed on the tower crane and can be self-lifted by the required height after being in a self-standing state.
Drawings
In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings needed to be used in the embodiment will be briefly described as follows:
FIG. 1 is a schematic structural diagram of a specific embodiment of an offshore wind power hoisting tower crane according to the present invention;
fig. 2 is a diagram of a state of the hoisting tower crane in fig. 1 after installation;
FIG. 3 is a schematic structural view of the mounting base of FIG. 1;
fig. 4 is a bottom view of fig. 3.
Description of reference numerals: 1-a tower body; 2-sleeving a frame; 3-a hydraulic jacking system; 4-standard knot introduction device; 5-a transition section; 6, a hoisting mechanism; 7-a luffing mechanism; 8-a-bracket; 9-an amplitude variable movable pulley block; 10-a driver cab; 11-a slewing mechanism; 12-a crane boom; 13-a hook group; 14-a mounting base; 15-wind power foundation piles; 16-a seat body; 17-space truss; 18-an upper tie layer; 19-a lower tie layer; 20-a cross beam; 21-longitudinal beams; 22-upright stanchion; 23-a diagonal rod; 24-a web member; 25-lifting lug.
Detailed Description
In order to make the technical purpose, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention are further described below with reference to the accompanying drawings and specific embodiments.
The invention relates to a specific embodiment of an offshore wind power hoisting tower crane, which comprises a tower body 1, an amplitude variation mechanism 7, a crane boom 12, an electrical system and the like, wherein the amplitude variation mechanism 7, the crane boom 12, the electrical system and the like are connected to the tower body 1, the upper structure of the hoisting tower crane is basically consistent with that of the prior art, and the offshore wind power hoisting tower crane specifically comprises a base, the tower body 1, a sleeve frame 2, a hydraulic jacking system 3, a standard joint introduction device 4, a transition section 5, a hoisting mechanism 6, an amplitude variation mechanism 7, a propeller strut 8, an amplitude variation movable pulley block 9, a cab 10, a slewing mechanism 11, a crane boom 12, a hook group 13, an electrical system and the like. The base is connected with the tower body 1 through a bolt, the sleeve frame 2 is connected to the outer side of the tower body 1 through a bolt, the hydraulic jacking system 3 is installed at a corresponding matching position of the jacking sleeve frame 2, the standard joint leading-in device 4 is connected with the tower body 1 through a pin shaft, the tower body 1 is connected with the crane boom 12 through a transition section 5, the herringbone frame 8, the amplitude variation mechanism 7 and the lifting mechanism 6 are connected with the transition section 5, the driver cab 10 and the swing mechanism 11 are placed above the transition section 5, the amplitude variation movable pulley block 9 is fixed on a front support of the herringbone frame 8, and the hook group 13 is connected with the crane boom 12.
The base of the tower body 1 forms a mounting base 14, the mounting base 14 includes a base body 16 with a frame beam structure, and the base body 16 is composed of four cross beams 20, two longitudinal beams 21, four upright posts 22, two diagonal posts 23, and a plurality of web members 24. Wherein four upright girders are the matrix and arrange, and four upright girders are arranged side by side at interval, wherein connect through a plurality of web members 24 between two arbitrary upright girders and realize supporting fixedly, and the bottom of foretell two down tube 23 is connected to the bottom of two pole settings 22 that are located the right side respectively, the top of down tube 23 inclines to extend from bottom to top gradually right, and realizes supporting fixedly through a plurality of web members 24 on the pole body of pole setting 22 and down tube 23 to make pole setting 22, down tube 23, web members 24 etc. make up and form space truss 17 structure.
The beams 20 extend along the left-right direction, two of the beams are a group to form connecting layers, the beams 20 in each layer are arranged side by side along the front-rear direction at intervals, the two connecting layers are arranged along the up-down direction, the two connecting layers are defined as an upper connecting layer 18 and a lower connecting layer 19, the two connecting layers are respectively connected to the upper end and the lower end of the space truss 17, specifically, the upper ends of the two vertical beams positioned on the front side are connected to the upper end and the lower end of the front side beam 20 of the upper connecting layer 18 and the front side beam 20 in the lower connecting layer 19, the upper ends of the two vertical beams positioned on the rear side are connected to the upper end and the lower end of the rear side beam 20 of the upper connecting layer 18 and the rear side beam 20 of the lower connecting layer 19, and therefore the upper connecting layer 18 and the lower connecting layer 19 are fixedly connected with the space truss 17; meanwhile, in order to ensure the structural stability, the left ends of the beams 20 of the two connecting layers are extended by a uniform length, the right ends of the beams 20 of the upper connecting layer are extended by a greater length than the right ends of the beams 20 of the lower connecting layer 19, and the upper ends of the inclined rods 23 are fixedly connected with the right ends of the beams 20 of the upper connecting layer 18, so that the tapered frame body 16 with a narrow lower part and a wide upper part is integrally formed.
The cross-sectional dimension of each beam 20 is much larger than that of each rod in the space truss 17, so that the structural stability is ensured, and the stability of subsequent connection and fixation is ensured. The connecting layers also comprise longitudinal beams 21, the longitudinal beams 21 are positioned on the left side of the space truss 17 and fixedly connected with the left side of the space truss 17, and two ends of each longitudinal beam 21 are respectively fixed on two corresponding cross beams 20 of the same connecting layer.
The upper end of the base body 16 is provided with an installation part for installing the tower body 1 of the tower crane, specifically, the installation part comprises a cross beam 20 arranged on the upper connection layer 18 and a bolt hole arranged at the upper end of a longitudinal beam 21 on the same layer, and the tower body 1 and the base body 16 are fixedly installed through bolt penetration.
The connecting layers are used for being fixedly connected with the side wall of the wind power foundation pile 15, specifically, lifting lugs 25 are arranged on the side wall of the wind power foundation pile 15, the lifting lugs 25 are divided into an upper layer and a lower layer, each layer of lifting lugs 25 is three and is respectively arranged on the front side, the rear side and the right side of the wind power foundation device, a U-shaped connecting frame formed by surrounding the left side extending parts of the two cross beams 20 in each connecting layer and the corresponding longitudinal beams 21 is arranged, the connecting parts comprise connecting holes which are arranged on the opposite side surfaces of the two cross beams 20 and the front middle position and the rear middle position of the longitudinal beams 21, each connecting hole is respectively sleeved on the corresponding lifting lug 25 on the wind power foundation pile 15, and after the lifting lugs 25 are penetrated and installed, the lifting lugs 16 and the wind power foundation pile 15 are fixedly connected by screwing fixing nuts on the lifting lugs 25.
In the actual installation process, the base body 16 is connected to the wind power foundation pile 15 through the lifting lugs 25 and is locked and fixed, then the tower body 1 is fixed to the installation part of the base body 16, then the sleeve frame 2, the hydraulic jacking system 3, the standard knot leading-in device 4 and the like are sequentially connected to the tower body 1, and the complete hoisting crane is assembled.
Of course, in other embodiments, the seat body 16 may be fixed in the form of a frame beam instead of the space truss 17 by using the cross beams 20, the longitudinal beams 21, the diagonal braces and the like; the connecting layer of the base 16 may be designed to be multi-layered and is not particularly limited.
In other embodiments, the connecting portion may be formed by integrally sleeving the seat body 16 on the wind power foundation pile 15, and when the connecting portion is detached, one side of the seat body 16 is opened, and the seat body 16 is removed.
In other embodiments, the connecting portion may be designed as a connecting seat embedded in the wind power base steel column, and the seat body 16 is integrally seated on the connecting seat, so as to achieve detachable connection therebetween.
In other embodiments, the connecting portion may be disposed on the cross beam 20 only, and the longitudinal beam 21 is disposed on the installation positioning arc-shaped surface to which the wind power foundation pile 15 is attached.
The structure of the embodiment of the installation base related by the invention is consistent with that of the installation base in the embodiment of the offshore wind power hoisting tower crane, and detailed description is omitted.
Finally, it should be noted that: the above embodiments are merely illustrative and not restrictive of the technical solutions of the present invention, and any equivalent substitutions and modifications or partial substitutions made without departing from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims (10)

1. Installation base of offshore wind power hoist and mount tower machine, its characterized in that, including frame beam structure's pedestal, the upper end of pedestal has the installation department that is used for installing the body of the tower of tower machine, one side of pedestal is equipped with and is used for connecting the articulamentum on the wind power foundation pile post, the articulamentum has at least two-layer, along upper and lower direction interval arrangement, the articulamentum have be used for towards wind power foundation pile post extend and with lug fixed connection's on the wind power foundation pile post connecting portion.
2. The mounting base of the offshore wind power hoisting tower crane according to claim 1, wherein two adjacent connecting layers are fixedly connected through a space truss, and the upper part of the uppermost connecting layer constitutes the mounting part.
3. The mounting base of the offshore wind power hoisting tower crane according to claim 2, wherein the connecting layer comprises two cross beams, the two cross beams are arranged side by side at intervals in the left-right direction, one ends of the cross beams are fixedly connected with the space truss, and the other ends of the cross beams are cantilevered outwards and are used for being connected with the wind power foundation pile.
4. The mounting base of an offshore wind power hoisting tower crane according to claim 3, wherein a longitudinal beam is connected between the two cross beams, and the connecting portions are arranged on both the cross beams and the longitudinal beam.
5. The mounting base of the offshore wind power hoisting tower crane according to claim 4, wherein the connecting portion comprises a connecting hole for being sleeved on a lifting lug on the wind power foundation and further comprises a fixing nut screwed on the lifting lug.
6. Offshore wind power hoist and mount tower machine, including the tower body and connecting luffing mechanism, jib loading boom, electric system on the tower body, the bottom of tower body is connected with the mounting base, its characterized in that, the mounting base includes frame beam structure's pedestal, and the upper end of pedestal has the installation department that is used for installing the tower body of tower machine, one side of pedestal is equipped with and is used for connecting the articulamentum on the wind power foundation pile, the articulamentum has at least two-layer, along upper and lower direction interval arrangement, the articulamentum have be used for towards wind power foundation pile extend and with lug fixed connection's on the wind power foundation pile connecting portion.
7. The offshore wind power hoisting tower crane according to claim 6, wherein two adjacent connection layers are fixedly connected through a space truss, and the upper part of the connection layer positioned on the uppermost layer constitutes the installation part.
8. The offshore wind power hoisting tower crane according to claim 7, wherein the connecting layer comprises two cross beams, the two cross beams are arranged side by side at intervals in the left-right direction, one ends of the cross beams are fixedly connected with the space truss, and the other ends of the cross beams are cantilevered to the outside and are used for being connected with the wind power foundation pile.
9. Offshore wind power hoisting tower crane according to claim 8, characterized in that a longitudinal beam is connected between the two cross beams, and the connecting parts are provided on both the cross beams and the longitudinal beam.
10. The offshore wind power hoisting tower crane according to claim 9, wherein the connecting portion comprises a connecting hole for being sleeved on a lifting lug on the wind power foundation and further comprises a fixing nut screwed on the lifting lug.
CN202210033131.4A 2022-01-12 2022-01-12 Offshore wind power hoisting tower crane and mounting base thereof Pending CN114180469A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210033131.4A CN114180469A (en) 2022-01-12 2022-01-12 Offshore wind power hoisting tower crane and mounting base thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210033131.4A CN114180469A (en) 2022-01-12 2022-01-12 Offshore wind power hoisting tower crane and mounting base thereof

Publications (1)

Publication Number Publication Date
CN114180469A true CN114180469A (en) 2022-03-15

Family

ID=80606857

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210033131.4A Pending CN114180469A (en) 2022-01-12 2022-01-12 Offshore wind power hoisting tower crane and mounting base thereof

Country Status (1)

Country Link
CN (1) CN114180469A (en)

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