CN210914960U - Horizontal hoisting tool for blades of wind generating set - Google Patents
Horizontal hoisting tool for blades of wind generating set Download PDFInfo
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- CN210914960U CN210914960U CN201921443752.XU CN201921443752U CN210914960U CN 210914960 U CN210914960 U CN 210914960U CN 201921443752 U CN201921443752 U CN 201921443752U CN 210914960 U CN210914960 U CN 210914960U
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Abstract
The utility model belongs to the technical field of wind generating set hoist and mount, concretely relates to horizontal hoist and mount frock of wind generating set blade, include: a support member and a locking member; the support member includes a pressing plate having a curved surface corresponding to a surface of the blade; the locking component is connected with the supporting component and used for fixing the pressing plate. Use the utility model discloses a hoist and mount frock can make the blade of transporting the job site no longer stand up, realizes the direct hoist and mount of blade horizontality, can demolish the problem blade simultaneously and directly put haulage vehicle. The time of site operation is reduced, the risk is reduced, the working efficiency is improved, and the construction cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of wind generating set hoist and mount, concretely relates to horizontal hoist and mount frock of wind generating set blade.
Background
The blades of the wind generating set are used as important components of the impeller, the shape of the blades is irregular, the weight of the blades is large, the connecting position is usually more than 80 meters away from the ground, and the construction process for replacing the blades is complex.
Generally, a wind generating set replaces a single blade, and the following methods are generally adopted:
rotating the impeller, adjusting the blade to be replaced to a horizontal position, changing the blade to be replaced to a pitch angle, enabling the front edge of the blade to be located at the lower part and the rear edge of the blade to be located at the upper part, respectively connecting the blade root and the blade tip side reinforcing points of the blade through ropes such as hanging strips by using two cranes, and then hoisting the blade.
When the blade is short, the blade is transported with the front edge below and the rear edge above, and the posture of the blade is consistent with that of the blade during lifting. Along with blade length constantly increases, the blade tip upwarps after the blade preparation, need keep flat the blade in the transportation, guarantees blade transportation safety.
In the prior art, the method for hoisting the front edge of each single blade by two cranes is adopted, and the transportation of the blades is changed from vertical placement to horizontal placement along with the lengthening of the blades, so that the blades need to be turned over by 90 degrees, the front edges of the blades are placed downwards, and then the blades are hoisted. The hoisting of the new blade has larger requirements on hoisting fields, longer field construction time, more potential safety hazards and higher hoisting cost.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a wind generating set blade horizontal hoisting frock, include: a support member and a locking member;
the support member includes a pressing plate having a curved surface corresponding to a surface of the blade;
the locking component is connected with the supporting component and used for fixing the pressing plate.
Furthermore, the supporting component also comprises a pull wire, one end of the pull wire is connected with the frame of the tool, and the other end of the pull wire is connected with the pressing plate;
the length of the stay wire can be adjusted;
the number of the stay wires is 2.
Furthermore, the material of the pressure strip is the same as that of the blade, so that the blade cannot be damaged.
Further, the locking component comprises an adjusting screw rod, and the adjusting screw rod is provided with threads;
the upper surface of the supporting component is provided with a threaded hole.
Further, the threads on the adjusting screw are partial threads;
the number of the adjusting screws is more than 2.
Further, the tool further comprises an adjusting lifting lug and a lifting lug;
the adjusting lifting lug is used for adjusting the posture of the tool according to the angle of blade installation.
The utility model also provides a method of using above-mentioned wind generating set blade horizontal hoisting frock to change the blade, the method includes: a step of disassembling the old blade and a step of installing the new blade.
Further, the step of disassembling the old blade comprises:
after the impeller is locked, the tool is hung to the blade tip installation position at a blade angle by two cranes on the site by one crane, the opening of the tool is ensured to be flush with the blade, the other crane uses a hanging basket to hang workers to the vicinity of the tool, the tool is fixed on the blade, and an adjusting lifting lug on the tool is hung to a crane hook;
tightening the blade root by using a hanging strip at the side of the blade root, and hanging the hanging strip on a hook of a crane;
lifting the two cranes simultaneously, disassembling the blade fixing bolts and separating the blades from the hub;
transfer the in-process to the level with the blade at the blade, directly place blade transport plate car to it is fixed, then dismantle the frock.
Further, the step of installing a new blade comprises:
adjusting the tool to the tip side of a new blade by using a crane, fixing the tool on the blade, and hanging an adjusting lug of the tool to a hook;
tightening the blade root by using a hanging strip at the side of the blade root, and hanging the hanging strip on a hook of a crane;
the two cranes hoist simultaneously, hoist the blade to the hub, and adjust the height position relation of the two cranes according to the butt joint condition of the blade and the hub; installing a blade bolt for fastening until the blade is successfully butted with the hub;
after the blades are installed, the sling at the blade root side is disassembled, then the crane carries the hanging basket to lift workers to the blade tip tool side to disassemble the tool, and the tool is separated from the blades.
Advantageous effects
Use the utility model discloses a hoist and mount frock can make the blade of transporting the job site no longer stand up, realizes the direct hoist and mount of blade horizontality, can demolish the problem blade simultaneously and directly put haulage vehicle. The time of site operation is reduced, the risk is reduced, the working efficiency is improved, and the construction cost is reduced.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 shows a front view of a horizontal hoisting tool for a blade of a wind generating set according to an embodiment of the present invention;
fig. 2 shows a top view of a horizontal hoisting tool for a blade of a wind generating set according to an embodiment of the present invention;
the method comprises the following steps of 1-hanging strip, 2-shackle, 3-tool hanger, 4-adjusting screw, 5-pressing plate, 6-stay wire, 7-blade, 8-connecting plate, 9-adjusting lifting lug and 10-lifting lug.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.
As shown in fig. 1, the horizontal hoisting tool for the blades of the wind generating set comprises a supporting component and a locking component; the supporting component comprises a pressing plate (5) and two pull wires (6); the pressing plate (5) is provided with a curved surface corresponding to the surface of the blade; the material of the pressure strip (5) is the same as that of the blade (7), so that the blade cannot be damaged. One end of the pull wire (6) is connected with the frame of the tool, and the other end of the pull wire (6) is connected with the pressing plate (5); the length of the stay wire can be adjusted.
The locking component comprises an adjusting screw rod (4), and threads on the adjusting screw rod (4) are partial threads; the upper surface of the supporting component is provided with a threaded hole.
The number of the adjusting screws is more than 2, such as 2, 4, 6, 8, 10, etc.
The tool further comprises a tool lifting appliance (3) and a connecting plate (8);
as shown in fig. 2, the tool further comprises an adjusting lifting lug (9) and a lifting lug (10);
the adjusting lifting lug (9) is used for adjusting the posture of the tool according to the angle of blade installation.
The adjusting lifting lug (9) is connected with the shackle (2); the sling (1) of the crane is connected with the tool through the shackle (2).
The tool is mainly formed by welding rectangular thick-wall steel pipes, steel plates and other materials, and is firm and light in overall mass.
The weight of pressure strip is little, adopts the patchcord to connect, and convenient adjustment, locking part all adopt the mode of screw-thread fastening, and is simple reliable, and wherein adjusting screw is partial screw thread, can effectual reduction bolt number of turns, reduces intensity of labour.
The tool can realize direct installation of the blades on the transport vehicle, can be directly hoisted to the hub position of the wind generating set from the transport vehicle, and completes blade installation.
The tool can also be used for dismantling the blade for use, the tool reaches the same inclination angle as the blade by adjusting the position of the shackle at the adjusting lug according to the position angle of the blade, then the tool is fixed, one crane is connected with the blade root of the blade through the sling and the other crane lifts the tool, the blade is horizontally lifted, the direct loading is realized, the construction efficiency is improved, and the construction risk is reduced.
The embodiment also provides a method for replacing the blade by using the tool, which comprises the following steps:
1. after the impeller is locked, the tool is hung to the blade tip installation position at the blade angle by two cranes on the site through one crane, the opening of the tool is enabled to be parallel and level with the blade, and the other crane uses the hanging basket to hang workers to the position near the tool so as to fix the tool on the blade. And hanging the adjusting lifting lug on the tool to a hook of a crane.
2. And (4) tightening the blade root by using a wide-edge hanging strip at the blade root side, and hanging the hanging strip on a hook of the crane.
3. The two cranes are lifted simultaneously to detach the blade fixing bolts and separate the blades from the hub.
4. Transfer the in-process to the level with the blade at the blade, directly place blade transport plate car to it is fixed, then dismantle the frock.
5. And (3) adjusting the tool to the point of the tip side hanging point of the new blade by using a crane, fixing the tool on the blade, and hanging the adjusting lug of the tool to the unloading hook.
6. And (4) tightening the blade root by using a wide-edge hanging strip at the blade root side, and hanging the hanging strip on a hook of the crane.
7. And the two cranes hoist simultaneously to hoist the blade to the hub, and the height position relation of the two cranes is adjusted according to the butt joint condition of the blade and the hub. And installing the blade bolts for fastening until the blade is successfully butted with the hub.
8. After the blades are installed, the sling at the blade root side is disassembled, then the crane carries the hanging basket to lift workers to the blade tip tool side to disassemble the tool, and the tool is separated from the blades.
9. The blade replacement work is finished.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. Horizontal hoist and mount frock of wind generating set blade, its characterized in that includes: a support member and a locking member;
the support member includes a pressing plate having a curved surface corresponding to a surface of the blade;
the locking component is connected with the supporting component and used for fixing the pressing plate.
2. The horizontal hoisting tool for the blades of the wind generating set according to claim 1,
the supporting component also comprises a pull wire, one end of the pull wire is connected with the frame of the tool, and the other end of the pull wire is connected with the pressing plate;
the length of the stay wire can be adjusted;
the number of the stay wires is 2.
3. The wind generating set blade horizontal hoisting tool according to claim 2, wherein the hold-down plate is made of the same material as the blade.
4. The horizontal hoisting tool for the blades of the wind generating set according to claim 1,
the locking component comprises an adjusting screw rod, and the adjusting screw rod is provided with threads;
the upper surface of the supporting component is provided with a threaded hole.
5. The horizontal hoisting tool for the blades of the wind generating set according to claim 4, wherein the threads on the adjusting screw are partial threads;
the number of the adjusting screws is more than 2.
6. The horizontal hoisting tool for the blades of the wind generating set according to claim 1, wherein the tool further comprises an adjusting lifting lug and a hoisting lifting lug;
the adjusting lifting lug is used for adjusting the posture of the tool according to the angle of blade installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921443752.XU CN210914960U (en) | 2019-09-02 | 2019-09-02 | Horizontal hoisting tool for blades of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921443752.XU CN210914960U (en) | 2019-09-02 | 2019-09-02 | Horizontal hoisting tool for blades of wind generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210914960U true CN210914960U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921443752.XU Active CN210914960U (en) | 2019-09-02 | 2019-09-02 | Horizontal hoisting tool for blades of wind generating set |
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| CN (1) | CN210914960U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765049A (en) * | 2020-07-10 | 2020-10-13 | 大连理工大学 | Structure for replacing wind driven generator of reservoir or lake and using method thereof |
| CN112960532A (en) * | 2021-01-29 | 2021-06-15 | 山东中车风电有限公司 | Inflatable wind power blade hoisting tool and equipment |
| CN113173485A (en) * | 2021-03-31 | 2021-07-27 | 河北工程大学 | Hoisting device and method for offshore wind power equipment |
-
2019
- 2019-09-02 CN CN201921443752.XU patent/CN210914960U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765049A (en) * | 2020-07-10 | 2020-10-13 | 大连理工大学 | Structure for replacing wind driven generator of reservoir or lake and using method thereof |
| CN112960532A (en) * | 2021-01-29 | 2021-06-15 | 山东中车风电有限公司 | Inflatable wind power blade hoisting tool and equipment |
| CN113173485A (en) * | 2021-03-31 | 2021-07-27 | 河北工程大学 | Hoisting device and method for offshore wind power equipment |
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