CN117329079A - Double-auxiliary lifting blade clamping process and device - Google Patents
Double-auxiliary lifting blade clamping process and device Download PDFInfo
- Publication number
- CN117329079A CN117329079A CN202311166539.XA CN202311166539A CN117329079A CN 117329079 A CN117329079 A CN 117329079A CN 202311166539 A CN202311166539 A CN 202311166539A CN 117329079 A CN117329079 A CN 117329079A
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- Prior art keywords
- blade
- auxiliary
- ship
- crane
- blades
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 38
- 238000010276 construction Methods 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 210000001503 joint Anatomy 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims 1
- 238000011105 stabilization Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/10—Assembly of wind motors; Arrangements for erecting wind motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/108—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means for lifting parts of wind turbines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/18—Band-type slings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/40—Arrangements or methods specially adapted for transporting wind motor components
Abstract
The invention provides a blade clamping process and device for double auxiliary hoisting lifting, wherein after a fan installation vessel is in place, a transport vessel is anchored on the double auxiliary hoisting side of the installation vessel, and after the installation is completed, the distance between the transport vessel and a construction vessel is adjusted until the blades are within the span range of the double auxiliary hoisting of the installation vessel. The two auxiliary cranes are used for respectively covering the blade tips and the blade roots of the bottom blades through the flat hanging strips, the two cranes synchronously lift and hang the blades to be 2-3m away from the deck of the transport ship after the blade tooling is disassembled, the main crane clamps clamp the blades after the blades are stable, the two auxiliary cranes are used for unhooking after the clamps are provided with force, and the main crane lifts to install the blades. The process can greatly improve the construction efficiency and reduce the construction cost.
Description
Technical Field
The invention relates to the technical field of offshore wind turbine installation, in particular to a double-auxiliary lifting blade clamping process and device.
Background
With the gradual development of the offshore wind power market, the installed capacity of a wind farm and the type of a fan are gradually increased in size, and the construction efficiency of fan installation also determines the grid-connected speed of the wind farm. Especially, fan blade installation is the highest risk and most time-consuming process in fan installation, and the traditional installation process is generally to refute the blade to the installation ship deck or directly lift by crane after the clamping of transport ship deck, is influenced by meteorological conditions, surge conditions and installation ship deck area. Accordingly, there is a need for an improved technique to address the problems of the prior art.
Disclosure of Invention
According to the technical problems, the blade clamping process and the device for double auxiliary lifting are provided. According to the invention, the blade transport ship is mounted on the ship side by berthing, the double auxiliary hanging and flat hanging strips of the mounting ship are used for hanging the blade tips and blade roots of the blades, after the hanging is finished, the double auxiliary hanging and slowly hanging and lifting the blades, after the blades leave the deck of the transport ship for 2-3m and are stable, the main hanging and hanging single blade clamp is used for clamping the suspended blades, after the clamp is provided with force, the two auxiliary hanging and hanging strips are loosened, the flat hanging strips are removed, and the main hanging and lifting are used for mounting the blades. The technology greatly improves the construction efficiency and reduces the construction cost so as to solve the problems proposed by the background technology.
The invention adopts the following technical means:
a dual auxiliary lift blade gripping device comprising: the construction ship comprises a blade transport ship and a mounting ship, blades to be clamped are placed on the blade transport ship, two auxiliary cranes and a main crane are arranged on the mounting ship, the main crane is located on one side of the hull of the mounting ship, the two auxiliary cranes are located on the other side of the hull of the mounting ship, and the two auxiliary cranes comprise an auxiliary crane I and an auxiliary crane II which are arranged at intervals.
Further, the first auxiliary crane and the second auxiliary crane are connected with hook heads through steel wires, and the lower ends of the hook heads are connected with the hoisting steel by using flat slings.
Further, the flat sling is a ring sling.
Further, the main crane is connected with a blade clamp through a steel wire rope.
Further, the blade to be clamped is placed on a blade transport ship through a blade supporting tool.
The invention also provides a blade clamping process of the double auxiliary lifting blade clamping device, which comprises the following steps:
step one: the large fan blades are horizontally arranged on the deck of the blade transport ship in a single layer, the blade transport ship is positioned on the double auxiliary hanging sides of the installation ship, and after the positioning is finished, the blade transport ship is twisted to the installation ship side, so that the blades to be clamped enter the spans of the two auxiliary cranes on the installation ship side;
step two: the auxiliary crane I and the auxiliary crane II are respectively connected with the flat hanging strip through a steel wire rope and a hook head, and the two flat hanging strips are respectively sleeved on the tip and the root of the blade;
step three: after the flat hanging strip hooks are completed, the double auxiliary hanging strips synchronously lift and lift the blades to a position which is 2-3m away from the deck surface of the blade transport ship;
step four: the main crane of the installation vessel lifts a single-blade clamp, the blade clamp clamps the blade lifted by the double auxiliary crane, the blade clamp slowly drops the hook by the double auxiliary crane after the force is stable, and the flat hanging strip is removed;
step five: after the double auxiliary cranes are unhooked, the main crane slowly lifts to carry out single-blade butt joint installation work.
Further, in the first step, after the blade is laid flat, the tip of the blade faces the stern of the blade carrier, and the root of the blade faces the bow of the blade carrier.
Furthermore, the shipment mode of blade carrier satisfies installation ship construction requirement, and three blades are put flat in the deck of blade carrier promptly, if the deck length of blade carrier is not enough, the apex of blade can stretch out the stern.
Compared with the prior art, the invention has the following advantages:
1. compared with the construction process of passing the blade to the deck of the installation vessel and then hoisting, the invention saves the time of passing the blade and improves the construction efficiency.
2. Compared with the construction process of clamping on the deck of the transport ship, the invention is less influenced by weather and surge conditions, and the clamping of the lifted blades is not influenced by the shaking of the transport ship.
3. The double auxiliary lifting blade clamping process provided by the invention avoids the risk of damage to the blade caused by the clamp due to shaking of the transport ship.
4. According to the blade clamping process for double auxiliary hoisting lifting, after the fan installation vessel is in place, the four anchors of the transport vessel are positioned on the double auxiliary hoisting sides of the installation vessel, and after the installation is completed, the distance between the transport vessel and the construction vessel is adjusted until the blades are within the span range of the double auxiliary hoisting of the installation vessel. The blade tip and the blade root of the bottom blade are respectively covered by the two auxiliary hanging strips, the blade tool is disassembled, the two auxiliary hanging strips synchronously lift and hang the blade to be separated from the deck of the transport ship by 2-3m, the blade is clamped by the main hanging strip clamp after the blade clamp is stable, the two auxiliary hanging strips are unhooked after the clamp is forced, and the main hanging strip is lifted for blade installation.
Based on the reasons, the invention can be widely popularized in the fields of fan blade installation and the like.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort to a person skilled in the art.
Fig. 1 is a schematic view of positions of a construction ship, a transport ship and blades before lifting, and a schematic view of a ship in place from above in an embodiment of the invention.
Fig. 2 is a schematic view of a first side view of the vessel of the present invention in place.
Fig. 3 is an enlarged view of the tip of fig. 2 at a.
Fig. 4 is a second side view schematic of the vessel of the present invention in place.
Fig. 5 is an enlarged view of the blade root at B in fig. 4.
FIG. 6 is a schematic view of a double auxiliary lift blade hook.
FIG. 7 is a schematic view of a double auxiliary hoist lifting blade at height.
FIG. 8 is a schematic view of a blade being held by a blade clamp.
FIG. 9 is a schematic view showing the main crane gripping blade slowly lifting after double auxiliary crane unhooking.
In the figure: 1. an auxiliary crane I; 2. an auxiliary crane II; 3. a blade carrier; 4. a main crane; 5. blade support tooling; 6. a flat sling; 7. a blade; 8. blade clamp.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present invention. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be clear that the dimensions of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention: the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.
As shown in fig. 1-9, the invention provides a blade clamping device with double auxiliary cranes for lifting, which comprises a construction ship, wherein the construction ship comprises a blade transport ship 3 and an installation ship, and specifically comprises a ship body, two auxiliary cranes, a main crane 4, a hook head, a steel wire rope and a flat hanging strip 6 for hanging steel, wherein the main crane 4 is fixedly arranged on one side of the ship body, the two auxiliary cranes are the first auxiliary crane 1 and the second auxiliary crane 2, the upper mechanism of each auxiliary crane is connected with the hook head through a plurality of steel wire ropes and hanging strips, the lower end of the hook head is connected with the flat hanging strip 6 for hanging steel, and the flat hanging strip 6 is an annular hanging strip. The main crane 4 is connected with a blade clamp 8 through a steel wire rope. The blade 7 to be clamped is placed on the blade carrier 3 by the blade support tooling 5.
A blade clamping process with double auxiliary lifting, the two auxiliary cranes cooperate with the main crane to clamp the blade, and the method comprises the following steps:
step one: the large fan blades 7 are horizontally arranged on the deck of the blade carrier 3 in a single layer, the blade tips of the blades 7 face the stern of the blade carrier 3, the blade roots face the bow of the blade carrier 3, the blade carrier 3 is positioned on the double auxiliary crane (two auxiliary cranes) side of the installation ship, and after the positioning, the blade carrier 3 is twisted towards the installation ship side, so that the blades 7 to be clamped enter the spans of the two auxiliary cranes (the auxiliary crane and the crawler crane) on the installation ship side;
step two: the auxiliary crane I and the auxiliary crane II are respectively connected with a flat sling 6 (annular sling) through a steel wire rope and a hook head, and the two flat slings 6 are respectively sleeved at the tip and the root of the blade 7;
step three: after the hanging of the flat hanging strip 6 is completed, the double auxiliary hanging strips synchronously lift and lift the blades 7 to a position which is 2-3m away from the deck surface of the blade transport ship 3;
step four: the main crane 4 of the installation vessel lifts a single-blade clamp 7, the double auxiliary crane lifts the blade to 2-3m away from the deck of the transport vessel 3 under the guidance of a fan manufacturer, the blade clamp 7 slowly drops the hook with the double auxiliary crane after the force is stable, and the flat hanging strip 6 is removed;
step five: after the double auxiliary crane is unhooked, the main crane 4 slowly lifts to perform single-blade butt joint installation work.
Besides the conventional main crane, the construction ship needs to be provided with two auxiliary cranes on the same side, wherein the auxiliary cranes meet the installation requirement according to the actual requirement of engineering on lifting and the lifting weight.
In the construction process, the lifting rigging used for lifting the blade is a flat sling 6 with breaking force meeting the actual requirements of engineering so as to meet the protection purpose of the blade.
The shipment mode of the blade carrier 3 needs to satisfy installation ship construction requirement, and three blades are put flat in the deck of the blade carrier 3 promptly, if the length of the deck of the blade carrier 3 is insufficient, the blade apex can suitably stretch out the stern.
Compared with the construction process of passing the blade to the deck of the installation vessel and then hoisting, the invention saves the time of passing the blade and improves the construction efficiency. Compared with the construction process of clamping on the deck of the transport ship, the invention is less influenced by weather and surge conditions, and the clamping of the lifted blades is not influenced by the shaking of the transport ship.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (8)
1. The utility model provides a two blade clamping device that assist to hang lifting which characterized in that includes: the construction ship comprises a blade transport ship (3) and a mounting ship, blades (7) to be clamped are placed on the blade transport ship (3), two auxiliary cranes and a main crane (4) are arranged on the mounting ship, the main crane (4) is located on one side of the hull of the mounting ship, the two auxiliary cranes are located on the other side of the hull of the mounting ship, and the two auxiliary cranes comprise an auxiliary crane I (1) and an auxiliary crane II (2) which are arranged at intervals.
2. The blade clamping device for double auxiliary hoisting lifting according to claim 1, wherein the first auxiliary crane (1) and the second auxiliary crane (2) are connected with hook heads through steel wires, and the lower ends of the hook heads are connected with a flat sling (6) for hoisting steel.
3. A double auxiliary lifting blade gripping device according to claim 2, characterized in that the flat sling (6) is a loop sling.
4. The double auxiliary crane lifting blade clamping device according to claim 1, characterized in that the main crane (4) is connected with a blade clamp (8) by means of a wire rope.
5. The double auxiliary crane lifting blade clamping device according to claim 1, wherein the blade to be clamped is placed on a blade carrier (3) by a blade support fixture (5).
6. A blade gripping process of a double auxiliary crane lifting blade gripping device according to any one of claims 1 to 5, comprising the steps of:
step one: the large fan blades (7) are horizontally arranged on the deck of the blade transport ship (3) in a single layer, the blade transport ship (3) is positioned on the double auxiliary hanging sides of the installation ship, and after the positioning is finished, the blade transport ship (3) is twisted towards the installation ship side, so that the blades (7) to be clamped enter the spans of the two auxiliary cranes on the installation ship side;
step two: the auxiliary crane I (1) and the auxiliary crane II (2) are respectively connected with the flat hanging strip (6) through a steel wire rope and a hook head, and the two flat hanging strips (6) are respectively sleeved on the blade tip and the blade root of the blade (7);
step three: after the hooking of the flat hanging strip (6) is completed, the double auxiliary hanging strip synchronously lifts up to lift the blade (7) to a position 2-3m away from the deck surface of the blade transport ship (3);
step four: a main crane (4) of the installation vessel lifts a single-blade clamp (8), a blade (7) lifted by the double auxiliary crane is clamped by the blade clamp (8), the blade clamp (8) is provided with a slow falling hook of the double auxiliary crane after force stabilization, and the flat hanging strip (6) is removed;
step five: after the double auxiliary cranes are unhooked, the main crane (4) slowly lifts to carry out single-blade butt joint installation work.
7. The blade clamping process of the double auxiliary lifting blade clamping device according to claim 6, wherein in the first step, after the blade (7) is horizontally placed, the tip of the blade (7) faces the stern of the blade carrier (3), and the blade root faces the bow of the blade carrier (3).
8. The blade clamping process of the double auxiliary lifting blade clamping device according to claim 6, wherein the shipment mode of the blade carrier (3) meets the construction requirement of an installation ship, namely three blades are horizontally placed on a deck of the blade carrier (3), and if the deck length of the blade carrier (3) is insufficient, the blade tips of the blades (7) can extend out of the stern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311166539.XA CN117329079A (en) | 2023-09-11 | 2023-09-11 | Double-auxiliary lifting blade clamping process and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311166539.XA CN117329079A (en) | 2023-09-11 | 2023-09-11 | Double-auxiliary lifting blade clamping process and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117329079A true CN117329079A (en) | 2024-01-02 |
Family
ID=89274598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311166539.XA Pending CN117329079A (en) | 2023-09-11 | 2023-09-11 | Double-auxiliary lifting blade clamping process and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117329079A (en) |
-
2023
- 2023-09-11 CN CN202311166539.XA patent/CN117329079A/en active Pending
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