CN212506196U - Bottom tool for upper component of offshore wind power booster station - Google Patents
Bottom tool for upper component of offshore wind power booster station Download PDFInfo
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- CN212506196U CN212506196U CN202021873494.1U CN202021873494U CN212506196U CN 212506196 U CN212506196 U CN 212506196U CN 202021873494 U CN202021873494 U CN 202021873494U CN 212506196 U CN212506196 U CN 212506196U
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- 238000009434 installation Methods 0.000 abstract description 20
- 238000000034 method Methods 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
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Abstract
The utility model discloses a bottom frock of offshore wind power booster station upper portion subassembly, include: buttress and four frock units, the frock unit includes: two parallel girders arranged on the buttress; two first main beams fixed on the two parallel main beams; the two second main beams are fixed between the two first main beams, and the middle parts of the first main beams and the second main beams are mounting seats of upper components of the offshore wind power booster station; two side beams fixed on the two parallel girders; and a horizontal diagonal support. The utility model discloses in, every frock unit all has the mount pad of a marine wind power booster station upper portion subassembly, and four frock units have four mount pads, and marine wind power booster station upper portion subassembly has four spud leg connected nodes, with four spud leg connected nodes and four fixed backs of mount pad for installation and transportation improve the installation accuracy, ensure the wholeness and the stability of atress.
Description
Technical Field
The utility model relates to a roll dress technical field, concretely relates to bottom frock of offshore wind power booster station upper portion subassembly.
Background
The offshore wind power booster station is one of important components of offshore wind power generation, is important node equipment built on the sea, is complex in process equipment, large in corresponding structural system, numerous in components, and about 4000t in weight, and is not beneficial to installation on the sea, so that the booster station is selected to be installed structurally and installed on equipment on the land, and is transported to the site by a large transport ship to be integrally hoisted after being integrally formed.
This installation process requires a complete and secure installation method, which makes the bottom tooling critical during installation. The bottom tooling needs to be used as a base of the booster station when the offshore booster station is installed on land, and the bottom tooling needs to transmit the load of the upper assembly to the SPMT rolling loading vehicle in the installation process.
Because the load is more complicated in the transportation of booster station upper portion subassembly, including the subassembly dead weight, the load that slope in wind load, the subassembly roll dress brought, roll dress inertia force that the in-process acceleration brought etc.. In addition, an assembly structure system is adopted for the whole bottom tool to facilitate installation and disassembly, so that the bottom tool which is simple in structure, meets the stress requirement and meets the installation and construction requirements is very necessary.
SUMMERY OF THE UTILITY MODEL
The utility model provides a bottom frock of offshore wind power booster station upper portion subassembly.
Because offshore wind power booster station upper portion subassembly has four spud leg connected node, needs 4 bottom frocks to be used for installation and transportation.
The utility model provides a bottom frock of offshore wind power booster station upper portion subassembly, includes: buttress and four frock units, the frock unit include:
two parallel girders arranged on the buttress;
two first main beams fixed on the two parallel main beams;
the two second main beams are fixed between the two first main beams, and the middle parts of the first main beams and the second main beams are mounting seats of upper components of the offshore wind power booster station;
two side beams fixed on the two parallel girders;
and horizontal diagonal braces arranged between the edge beam and the first main beam and between the first main beam and the second main beam.
The utility model discloses in, every frock unit all has the mount pad of a marine wind power booster station upper portion subassembly, and four frock units have four mount pads, and marine wind power booster station upper portion subassembly has four spud leg connected nodes, with four spud leg connected nodes and four fixed backs of mount pad for installation and transportation. Every frock unit adopts two parallel girders earlier, then fixes two first girders at two parallel girders, then two second girders between two first girders, forms the mount pad of offshore wind power booster station upper portion subassembly, adopts horizontal bearing diagonal to improve the steadiness simultaneously, ensures the wholeness and the stability of atress.
The buttress is composed of three web box-shaped cross sections, T-shaped cross section stiffening beams are arranged at certain intervals, the buttress height is suitable for the height of the SPMT roll-on truck, and the bottom area of the pier can ensure that the load of the upper component is safely transmitted to the ground.
The girders are two girders with box-shaped cross sections, and stiffening ribs are arranged on the cross sections at certain distances to ensure the integrity of the cross sections.
The two first main beams (i.e. the first main beam) are fixed on the two parallel crossbeams in parallel, and the first main beams are perpendicular to the crossbeams. A first main beam: two first main beams supported on the girder are arranged on the box-type girder, the first main beams are connected with the girder through high-strength bolts, and stiffening ribs are arranged at the positions, corresponding to the web plates of the girder, of the ends of the first main beams.
The second main beam is perpendicular to the first main beam to form a # -shaped support, namely a mounting seat of an upper component of the offshore wind power booster station. Second main beam (i.e., main beam two): and two main beams II supported on the main beams I are arranged in the direction perpendicular to the main beams I, and the main beams II are connected to the web plate of the main beams I by adopting angle steel and high-strength bolts. The first main beam and the second main beam form a # -shaped support, the upper assembly is placed in the middle space, four pile leg connecting nodes are arranged, and the sum of the heights of the first main beam and the large beam is larger than the height of the pile leg connection.
The boundary beam with the girder is perpendicular, the boundary beam with first girder is parallel, and two boundary beams set up the outside at two first girders, the boundary beam in order to improve the wholeness and the stability of girder one and girder two, set up two boundary beams in the direction that is on a parallel with girder one and provide bearing point and marginal component for the horizontal stay, the boundary beam adopts high strength bolted connection on the girder.
Horizontal bearing diagonal includes first horizontal bearing diagonal and second horizontal bearing diagonal, the one end of first horizontal bearing diagonal fix the midpoint of first girder, the other end of first horizontal bearing diagonal fix the tip of boundary beam, first horizontal bearing diagonal be 4. One end of each second horizontal inclined support is fixed to the midpoint of each second main beam, the other end of each second horizontal inclined support is fixed to the end of each first main beam, and the number of the second horizontal inclined supports is 4.
The edge beam and the first main beam and the two first main beams are arranged along the length direction of the girder, and the number of the horizontal straight supports is 6.
Supporting: horizontal bearing diagonal, horizontal straight brace and boundary beam form the atress wholeness ability that the main girder was guaranteed to the horizontal rigidity layer, all adopts gusset plate cooperation high strength bolted connection between each component.
The force transmission process of the tool is as follows: the load of the upper assembly is transferred to the first main beam and the second main beam through four pile leg connecting nodes. And the load borne by the second main beam is transmitted to the first main beam through the angle steel connecting piece and the high-strength bolt, and then the load is transmitted to the girder by the first main beam.
A method for installing a bottom tool of an upper assembly of an offshore wind power booster station comprises the following steps:
1) placing a bottom buttress, placing a girder on the buttress, firstly installing a second girder on a first girder by using an angle steel connecting piece and a bolt, then installing the first girder and the second girder on the girder, firmly connecting the first girder and the second girder by using the bolt, and installing a side beam, a horizontal inclined support and a horizontal straight support to form a stress whole to form a bottom tool;
2) the upper part assembly of the offshore wind power booster station is installed and is fixed with four installation seats of the bottom tool through four pile leg connecting nodes of the upper part assembly of the offshore wind power booster station;
3) after the upper assembly of the offshore wind power booster station is built and passes inspection and acceptance, four SPMT roll-on-roll-off trucks are operated in place to respectively support two girders of a bottom tool, and the upper assembly and a bottom buttress are lifted up together;
4) rolling and loading the upper component of the offshore wind power booster station to a transport ship by an SPMT rolling and loading vehicle, and transporting the transport ship to an offshore installation site;
5) and finishing the offshore hoisting installation operation of the offshore wind power booster station.
In the step 4), the running acceleration of the roll-on-roll-off vehicle is not more than 0.2m/s during the roll-on-roll-off process2The inclination of the whole upper assembly does not exceed 2 deg..
Compared with the prior art, the utility model discloses following beneficial technological effect has:
1. all adopt high strength bolted connection between each component of bottom frock, convenient on-the-spot installation and dismantlement.
2. The force transmission path of the bottom tool is clear, the force transmission of the second main beam is realized by directly transmitting the force to a web plate of the first main beam through an angle steel splicing piece and a high-strength bolt, and the eccentricity of the force transmission of the node is reduced. The first main beam adopts stiffening ribs to directly correspond to the web plate of the girder, so that the load of the first main beam can be directly transmitted to the girder, and the force transmission processes are safe and reliable.
3. The boundary beam and the supporting system (horizontal inclined support and horizontal straight support) and the first main beam and the second main beam form a horizontal rigid layer, so that the integrity and the stability of the stress of the structural system are ensured.
4. The stiffening rib system of the girder ensures the stability of the section of the girder.
5. The bottom tool is of a detachable structure, is convenient to recycle, is convenient to refit, and can be installed in other similar structures.
Drawings
FIG. 1 is a schematic structural diagram of a bottom tooling of an upper assembly of a medium-offshore wind power booster station of the present invention;
fig. 2 is a schematic structural diagram of a bottom fixture of an upper assembly of an offshore wind power booster station at another viewing angle in the present invention;
FIG. 3 is a schematic structural view of a middle buttress of the present invention;
FIG. 4 is a schematic cross-sectional view of AA in FIG. 3;
fig. 5 is a schematic structural view of the middle bottom tool of the present invention;
fig. 6 is a schematic structural view of the bottom tool at another viewing angle in the present invention;
fig. 7 is a schematic structural view of a middle girder and a first girder of the present invention;
the reference numerals in the figures are illustrated as follows:
1: an upper component of the offshore wind power booster station; 2: a bottom tooling support; 3: an SPMT transporter; 4: buttress; 5: a girder; 6: a first main beam; 7: a second main beam; 8: a boundary beam; 9: horizontal inclined supports; 10: horizontally and vertically supporting; 11: the angle steel connecting piece of the main beam 2 and the main beam 1; 12: a stiffening beam with T-shaped section.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, fig. 2, fig. 5, fig. 6 and fig. 7, a bottom tooling of an upper assembly of an offshore wind power booster station comprises: buttress 4 and four frock units, the frock unit includes: two parallel girders 5 arranged on the buttress 4; two first main beams 6 fixed on two parallel cross beams 5; the two second main beams 7 are fixed between the two first main beams 6, and the middle parts of the first main beams 6 and the second main beams 7 are installation seats of the upper component 1 of the offshore wind power booster station; two side beams 8 fixed on the two parallel girders 5; and horizontal diagonal braces 9 provided between the edge beams 8 and the first main beam 6 and between the first main beam 6 and the second main beam 7. The two first main beams 6 are parallel, and the length direction of the first main beams 6 is vertical to the length direction of the girder 5. The length direction of the second main beam 7 is perpendicular to the length direction of the first main beam 6.
As shown in fig. 5, the longitudinal direction of the side beam 8 is perpendicular to the longitudinal direction of the girder 5, the side beam 8 is parallel to the first main beams 6, and the two side beams are disposed outside the two first main beams 6. The horizontal diagonal support 9 includes a first horizontal diagonal support and a second horizontal diagonal support. One end of each first horizontal inclined support is fixed to the midpoint of each first main beam 6, the other end of each first horizontal inclined support is fixed to the end of each edge beam 8, and the number of the first horizontal inclined supports is 4. One end of each second horizontal inclined support is fixed to the midpoint of the corresponding second main beam 7, the other end of each second horizontal inclined support is fixed to the end of the corresponding first main beam 6, and the number of the second horizontal inclined supports is 4.
As shown in fig. 6, horizontal straight supports 10 are provided between the edge beam 8 and the first main beam 6 and between the two first main beams 6 along the length direction of the girder, and the number of the horizontal straight supports is 6.
Referring to fig. 1 to 7, the utility model relates to a bottom frock and installation method of offshore wind power booster station upper portion subassembly, the bottom frock includes: bottom tooling support 2 and buttress 4.
Wherein bottom frock support 2 is as shown in fig. 5, includes: a girder 5; a first main beam 6 (main beam one); a second main beam 7 (main beam two); a side rail 8; a horizontal diagonal support 9; the bottom is provided with a horizontal support 10; and the angle steel connecting piece 11 of the second main beam and the first main beam.
The buttress 4 is shown in figure 2, the buttress 4 is arranged below a girder 5, the buttress 4 is composed of three web box-shaped sections, and T-shaped section stiffening beams 12 are arranged at certain intervals.
The utility model provides a concrete installation method of marine wind power booster station upper portion subassembly's bottom frock, specifically includes:
1. the placing bottom buttress 4 is positioned below the bottom connecting node of the upper component of the booster station and is placed in the front and back direction in the length direction; the girder 5 is placed on the buttress 4 according to the position requirement. The second main beam 7 is firstly installed on the first main beam 6 by using an angle steel connecting piece 11 and a high-strength bolt, and then a # -shaped support formed by the first main beam 6 and the second main beam 7 is installed on the girder 5 and is firmly connected by using the high-strength bolt. The installation boundary beam 8, the horizontal inclined strut 9 and the horizontal straight strut 10 are supported to form a whole stress structure with a horizontal rigid layer.
2. And (3) completing the installation of the upper component 1 of the offshore wind power booster station, firstly installing an upper structure on the basis of a bottom tool, and then installing upper component equipment.
3. The four SPMT transport vehicles 3 run in place to support two girders 5 of the bottom tooling. The upper assembly, the bottom tooling and the buttress 6 are lifted together.
4. The upper assembly is rolled onto a transport vessel by the SPMT transporter 3 and transported by the vessel to the offshore installation site. The running acceleration of the roll loading vehicle is not more than 0.2m during the roll loading process/s2The inclination of the whole upper assembly does not exceed 2 deg..
5. And finishing the offshore hoisting installation operation of the offshore booster station.
Claims (8)
1. The utility model provides a bottom frock of offshore wind power booster station upper portion subassembly, includes: buttress and four frock units, its characterized in that, the frock unit include:
two parallel girders arranged on the buttress;
two first main beams fixed on the two parallel main beams;
the two second main beams are fixed between the two first main beams, and the middle parts of the first main beams and the second main beams are mounting seats of upper components of the offshore wind power booster station;
two side beams fixed on the two parallel girders;
and horizontal diagonal braces arranged between the edge beam and the first main beam and between the first main beam and the second main beam.
2. The bottom tooling for the upper assembly of the offshore wind power booster station according to claim 1, wherein the two first main beams are parallel and the first main beams are perpendicular to the girder.
3. The bottom tooling for the offshore wind power booster station upper assembly according to claim 1, wherein the second main beam is perpendicular to the first main beam.
4. The bottom tooling for the upper assembly of the offshore wind power booster station according to claim 1, wherein the edge beam is perpendicular to the girder, the edge beam is parallel to the first main beams, and the two edge beams are arranged on the outer sides of the two first main beams.
5. The bottom tooling for the offshore wind power booster station upper assembly according to claim 1, wherein the horizontal diagonal support comprises a first horizontal diagonal support and a second horizontal diagonal support.
6. The bottom tooling for the upper assembly of the offshore wind power booster station according to claim 5, wherein one end of the first horizontal diagonal support is fixed to the midpoint of the first main beam, the other end of the first horizontal diagonal support is fixed to the end of the side beam, and the number of the first horizontal diagonal supports is 4.
7. The bottom tooling for the upper assembly of the offshore wind power booster station according to claim 5, wherein one end of each second horizontal diagonal support is fixed to the midpoint of the corresponding second main beam, the other end of each second horizontal diagonal support is fixed to the end of the corresponding first main beam, and the number of the second horizontal diagonal supports is 4.
8. The bottom tool for the upper assembly of the offshore wind power booster station according to claim 1, wherein horizontal straight supports are arranged between the edge beam and the first main beams and between the two first main beams along the length direction of the girder, and the number of the horizontal straight supports is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021873494.1U CN212506196U (en) | 2020-09-01 | 2020-09-01 | Bottom tool for upper component of offshore wind power booster station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021873494.1U CN212506196U (en) | 2020-09-01 | 2020-09-01 | Bottom tool for upper component of offshore wind power booster station |
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| CN212506196U true CN212506196U (en) | 2021-02-09 |
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| CN202021873494.1U Active CN212506196U (en) | 2020-09-01 | 2020-09-01 | Bottom tool for upper component of offshore wind power booster station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962488A (en) * | 2020-09-01 | 2020-11-20 | 浙江大学 | Bottom tool and installation method for upper assembly of offshore wind power booster station |
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2020
- 2020-09-01 CN CN202021873494.1U patent/CN212506196U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111962488A (en) * | 2020-09-01 | 2020-11-20 | 浙江大学 | Bottom tool and installation method for upper assembly of offshore wind power booster station |
| CN111962488B (en) * | 2020-09-01 | 2024-04-30 | 浙江大学 | Bottom tool and installation method for upper component of offshore wind power booster station |
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