CN110329939B - Impeller hoist and mount auxiliary docking device - Google Patents
Impeller hoist and mount auxiliary docking device Download PDFInfo
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- CN110329939B CN110329939B CN201910653327.1A CN201910653327A CN110329939B CN 110329939 B CN110329939 B CN 110329939B CN 201910653327 A CN201910653327 A CN 201910653327A CN 110329939 B CN110329939 B CN 110329939B
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- rope
- pulley
- auxiliary
- impeller
- unhooking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- 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
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/28—Other constructional details
- B66D1/36—Guiding, or otherwise ensuring winding in an orderly manner, of ropes, cables, or chains
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Jib Cranes (AREA)
Abstract
The invention discloses an impeller hoisting auxiliary butt joint device which comprises a crane large arm, a main rope arranged at the end part of the large arm, a main pulley arranged at the lower end of the main rope, a pulley box body, two groups of adjusting pulley assemblies and two auxiliary ropes, wherein the two groups of adjusting pulley assemblies and the two auxiliary ropes are symmetrically arranged at two sides of the large arm; one end of the auxiliary rope is connected with the pulley box body, and the other end of the auxiliary rope is connected to the power winding drum through the adjusting pulley assembly. The invention utilizes two auxiliary ropes connected in parallel, combines the main rope for common adjustment, and has the advantages of stable and accurate driving, strong operability and high automation degree.
Description
Technical Field
The invention belongs to the technical field of wind driven generator hoisting equipment, and particularly relates to an auxiliary butt joint device for impeller hoisting.
Background
The national energy agency issues a notification about the development of the developed wind power, and the requirements in the planning are as follows: by the end of 2020, the wind power accumulation grid-connected installed capacity is ensured to reach more than 210GW, and the annual wind power generation amount is ensured to reach 420TWh, which accounts for 6% of the total national power generation amount. However, due to the factors of heavy weight, high position and the like, the fan equipment often consumes a lot of time during installation, and the operation efficiency is low.
In the hoisting process of the large-scale wind turbine, after the hub is hoisted to the same height as the main shaft of the generator, the large arm of the crane needs to be finely adjusted to enable the impeller assembly to be close to the main shaft of the generator so as to be convenient to install, and the fine adjustment process is the step with the largest difficulty, the highest risk and the largest time consumption in the hoisting operation, so that the swing amplitude of the impeller assembly in the fine adjustment process is controlled, and the improvement of the hoisting precision and efficiency is always a bottleneck problem in hoisting of the impeller assembly of the large-scale.
When a large-scale wind motor is hoisted, because the large arm of the crane is too long, the vibration caused by the rotation of the large arm during fine adjustment can be amplified to the swing amplitude of the impeller assembly in the space, and because the observer can only transmit information with an operating vehicle through the interphone, the fine adjustment butt joint process becomes difficult.
Disclosure of Invention
Aiming at the technical problems, the invention aims to provide the impeller hoisting auxiliary butt joint device which is stable and accurate, has strong operability and high automation degree.
In order to solve the technical problems, the invention is realized by the following technical scheme:
an impeller hoisting auxiliary butt-joint device comprises a crane large arm, a main rope arranged at the end part of the large arm, a main pulley arranged at the lower end of the main rope, a pulley box body, two groups of adjusting pulley assemblies symmetrically arranged at two sides of the large arm, and two auxiliary ropes; one end of the auxiliary rope is connected with the pulley box body, and the other end of the auxiliary rope is connected to the power winding drum through the adjusting pulley assembly.
The impeller hoisting auxiliary butt joint device further comprises a hub guiding and positioning assembly, wherein the hub guiding and positioning assembly comprises a plurality of connecting studs at the end part of the impeller assembly, a plurality of connecting holes corresponding to the connecting studs on a connecting flange of the engine room, positioning screws fixed at the end parts of at least two connecting studs and guiding ropes of which the two ends are respectively fixed in the positioning screws and the engine room; the guide rope is pulled by a small-sized crane arranged in the cabin.
In the above impeller hoisting auxiliary docking device, the positioning screw 71 is a stepped shaft, and the shaft section sequentially includes an external thread, a conical guide surface and a rope connecting end; a through groove is formed in the middle of the rope connecting end portion, a rope connecting pin shaft is fixed inside the through groove, and one end of the guide rope is fixed to the rope connecting pin shaft.
The impeller hoisting auxiliary butt joint device is characterized in that a hook is arranged at the lower part of the pulley box body and used for hoisting an impeller.
The impeller hoisting auxiliary butt joint device further comprises a unhooking assembly, wherein the unhooking assembly comprises unhooking plates movably arranged on two sides of the hook; a hoisting rope on which the impeller assembly is hoisted is hung on the hook and the unhooking plate; the unhooking plate moves to drive the hoisting rope to be detached from the hook.
In the impeller hoisting auxiliary butt joint device, the unhooking plate is provided with the guide block, the unhooking hole and the first spring hook; guide grooves, an electromagnetic release and a second spring hook are vertically arranged on two sides of the hook; the guide block moves up and down in the guide groove; two ends of the unhooking spring are respectively fixed on the first spring hook and the second spring hook; and the tripping part of the electromagnetic tripping device is clamped in the tripping hole.
The impeller hoisting auxiliary butt joint device is characterized in that the large arm is further provided with a guide pulley, and the auxiliary rope is connected to the power winding drum after sequentially passing through the adjusting pulley assembly and the guide pulley.
Foretell impeller hoist and mount supplementary interfacing apparatus, wherein, pulley box downside fixed mounting has the rope connecting plate, supplementary rope fixed connection in on the rope connecting plate.
The impeller hoisting auxiliary butt joint device comprises a support fixedly mounted on the large arm, a pulley fixing seat hinged to the support through a first rotating shaft, an intermediate connecting piece hinged to the pulley fixing seat through a second rotating shaft, two parallel pulley clamping plates hinged to two sides of the intermediate connecting piece through a third rotating shaft, and an adjusting pulley hinged between the two pulley clamping plates, wherein the adjusting pulley assembly comprises a first pulley fixing seat and a second pulley fixing seat; the first rotating shaft, the second rotating shaft and the third rotating shaft are arranged vertically to each other; one end of the auxiliary rope is connected to a power winding drum for winding and unwinding the rope, the middle of the auxiliary rope crosses the adjusting pulley, and the other end of the auxiliary rope is connected to the pulley box body.
By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the auxiliary butt joint device innovatively utilizes two parallel auxiliary ropes, is combined with the main rope for common adjustment, and has the advantages of stable and accurate driving, strong operability and high automation degree. After the main rope is driven to reach the approximate position through the big arm, the high-altitude braking stability is good, the weight is light, and the installation is convenient through the micro adjustment of the two parallel ropes. The two adjusting pulleys can rotate in three degrees of freedom, and the two adjusting pulleys are matched with each other to adapt to the direction of the auxiliary rope, so that the pressure applied to the adjusting pulleys by the auxiliary rope can be ensured to pass through the center of the rotating shaft of the adjusting pulleys.
2. The hub guiding and positioning assembly is used for rapidly installing the impeller assembly on the engine room through the guiding rope, the positioning screw rod can be rapidly connected onto the connecting stud through threaded connection, the conical guide surface can play a good excessive guiding role in the butt joint process of the connecting hole of the engine room, and the positioning screw rod can be easily butt-jointed and installed in the connecting hole. The other end of the guide rope fixedly connected with the positioning screw rod uses a small and medium-sized crane in the engine room as a power source, so that the installation and the disassembly are convenient.
3. The unhooking assembly can be installed and completed by the aid of the electromagnetic unhooking device, the unhooking portion of the electromagnetic unhooking device can be unhooked from the unhooking hole of the unhooking plate by means of electromagnetic force after the impeller assembly is connected with a power supply, the unhooking plate drives the hoisting rope to move upwards under the action of tensile force of the unhooking spring, automatic unhooking is completed, manual unhooking is not needed, and danger of manual unhooking is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of an impeller hoisting auxiliary butt joint device of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of an adjusting pulley mounting arrangement according to an embodiment of the present invention;
FIG. 4 is a schematic view of a hook mounting structure according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a hub guiding and positioning assembly according to an embodiment of the present invention;
FIG. 6 is a schematic view of a positioning screw according to an embodiment of the present invention;
FIG. 7 is a schematic view of a hook structure according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a structure of a decoupling plate according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be 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.
As shown in fig. 1 to 3, an impeller hoisting auxiliary docking device comprises a large arm 1 of a crane, a main rope 2 is arranged at the end part of the large arm 1, the lower end of the main rope 2 is installed on a main pulley 3, the main pulley 3 is installed on a pulley box body 4, and the impeller hoisting auxiliary docking device further comprises two groups of adjusting pulley assemblies 5 and two auxiliary ropes 6 which are symmetrically arranged at the left side and the right side of the large arm 1; the adjusting pulley assembly 5 comprises a bracket 51 fixedly mounted on the large arm 1, a pulley fixing seat 53 hinged on the bracket 51 through a first rotating shaft 52, a middle connecting piece 55 hinged on the pulley fixing seat 53 through a second rotating shaft 54, two parallel pulley clamping plates 57 hinged on two sides of the middle connecting piece 55 through a third rotating shaft 56, and an adjusting pulley 58 hinged between the two pulley clamping plates 57; the first rotating shaft 52, the second rotating shaft 54 and the third rotating shaft 56 are arranged perpendicularly to each other; one end of the auxiliary rope 6 is connected to a power drum for winding and unwinding the rope, and the other end is connected to the pulley case 4 after passing over the adjusting pulley 58.
The lower side surface of the pulley box body 4 is fixedly provided with a rope connecting plate 10, and the auxiliary rope 6 is connected with a through hole in the rope connecting plate 10 through a lock catch.
In order to ensure that the auxiliary rope 6 does not easily come off the auxiliary pulley, a guide pulley 23 is also articulated on the boom 1, and the auxiliary rope 6 is passed around the adjusting pulley 58, then passed on the guide pulley 23 and wound onto the power drum.
Referring to fig. 4, a hook fixing seat 12 is pinned to the lower side of the pulley box body 4, a hook connecting piece 13 is pinned to the lower part of the hook fixing seat 12, hook connecting clamping plates 14 are pinned to both sides of the hook connecting piece 13, and a hook 19 is pinned to the lower part of the hook connecting clamping plate 14. One end of the hoisting rope 22 is hung on the hook 19, and the other end is hung on one impeller of the impeller assembly 8.
Referring to fig. 5 and 6, the auxiliary docking device further includes a hub guiding and positioning assembly 7, and the hub guiding and positioning assembly 7 includes a plurality of connection studs 81 at an end of the impeller assembly 8, a plurality of connection holes corresponding to the connection studs 81 on a connection flange of the nacelle 11, a positioning screw 71 fixed at an end of at least two connection studs 81, and a guide rope 72 having two ends respectively fixed to the positioning screw 71 and the small crane in the nacelle 11. The end of the connecting stud 81 to which the positioning screw 71 is connected has an internal thread; the positioning screw 71 is a stepped shaft, the shaft section sequentially comprises an external thread 711, a conical guide surface 712 and a rope connecting end portion 713, a through groove 714 is formed in the middle of the rope connecting end portion 713, a rope connecting pin shaft 715 is fixed inside the through groove 714, and one end of the guide rope 72 is fixed on the rope connecting pin shaft 715. The positioning screw rod 71 and the connecting stud 81 are in quick connection through threads, the guide rope 72 can also be very conveniently connected to the rope connecting pin 715, and the guide rope 72 passes through a connecting hole in a connecting flange of the nacelle 11 to be connected with a small crane in the nacelle 11. The tapered guide surface 712 can provide a good over-guiding function during the docking process with the attachment hole of the nacelle 11, so that the positioning screw 71 can be easily mounted in the attachment hole in the docking process. The other end of the guide rope 72 fixedly connected with the positioning screw 71 uses a small and medium-sized crane in the nacelle 11 as a power source, so that the installation and the disassembly are convenient.
Two auxiliary ropes 6, main rope 2 and the big arm 1 of hoist form the triangle-shaped seal structure, for only hoisting through main rope 2 among the prior art stability obtains promoting greatly, adjust pulley 58 can three degrees of freedom rotations, the direction of self-adaptation auxiliary rope 6 guarantees that auxiliary rope 6 passes through the pivot center of adjusting pulley 58 to the pressure that adjusts pulley 58 and exert. When the impeller assembly 8 is hoisted, the main rope 2 is slightly inclined to the boom 1 of the crane by the tensile force of the two auxiliary ropes 6, after the impeller assembly 8 is roughly opposite to the connecting flange of the nacelle 11, the auxiliary ropes 6 are slightly lengthened, and the guide ropes 72 are pulled by a small crane in the nacelle 11, so that the impeller assembly 8 is easily butt-mounted on the connecting flange of the nacelle 11.
Referring to fig. 7 and 8, the auxiliary docking device further includes a unhooking assembly 9, the unhooking assembly 9 includes an unhooking plate 91, an electromagnetic trip 92 and an unhooking spring 93, the outer surfaces of both sides of the hook 19 are provided with vertically arranged guide grooves 191 which are symmetrically arranged, the front surface of the unhooking plate 91 is provided with a first spring hook 20, the back surface of the unhooking plate 91 is provided with a guide block 911 which is matched with the guide grooves 191 and can move up and down in the guide grooves, the upper part of the hook 19 is provided with a second spring hook 21, and both ends of the unhooking spring 93 are respectively hung on the first spring hook 20 and the second spring hook 21; the unhooking plate 91 is also provided with an unhooking hole 912, the electromagnetic release 92 is arranged in the hook 19, and the release part of the electromagnetic release is clamped in the unhooking hole 912; the upper end of the hoisting rope 22 on which the impeller assembly 8 is hoisted is hung on the hook 19 and the unhooking plate 91. Two disengaging plates 91 are respectively and symmetrically arranged on two side surfaces of the hook 19; two unhooking springs 93 are provided on one side of the hook 19.
After the impeller assembly 8 is installed, the unhooking component 9 can be used for unhooking the unhooking part of the electromagnetic unhooking device 92 from the unhooking hole 912 of the unhooking plate 91 by switching on the power supply and using electromagnetic force, and under the action of the pulling force of the unhooking spring 93, the unhooking plate 91 drives the hoisting rope 22 to move upwards, so that automatic unhooking is completed, manual unhooking is not needed, and the risk of manual unhooking is reduced.
Claims (8)
1. The utility model provides an impeller hoist and mount supplementary interfacing apparatus, includes the big arm of hoist, set up in the main rope of big arm end portion, the main pulley is installed to the lower extreme of main rope, the main pulley is installed on the pulley box, its characterized in that: the device also comprises two groups of adjusting pulley assemblies and two auxiliary ropes which are symmetrically arranged at two sides of the large arm; one end of the auxiliary rope is connected with the pulley box body, and the other end of the auxiliary rope is connected to the power winding drum through the adjusting pulley assembly; the adjusting pulley assembly comprises a bracket fixedly mounted on the large arm, a pulley fixing seat hinged on the bracket through a first rotating shaft, a middle connecting piece hinged on the pulley fixing seat through a second rotating shaft, two parallel pulley clamping plates hinged on two sides of the middle connecting piece through a third rotating shaft, and an adjusting pulley hinged between the two pulley clamping plates; the first rotating shaft, the second rotating shaft and the third rotating shaft are arranged vertically to each other; one end of the auxiliary rope is connected to a power winding drum for winding and unwinding the rope, the middle of the auxiliary rope crosses the adjusting pulley, and the other end of the auxiliary rope is connected to the pulley box body.
2. The impeller hoisting auxiliary butt joint device according to claim 1, wherein: the hub guiding and positioning assembly comprises a plurality of connecting studs at the end part of the impeller assembly, a plurality of connecting holes corresponding to the connecting studs on a connecting flange of the engine room, positioning screws fixed at the end parts of at least two connecting studs and guiding ropes of which the two ends are respectively fixed in the positioning screws and the engine room; the guide rope is pulled by a small-sized crane arranged in the cabin.
3. The impeller hoisting auxiliary butt joint device according to claim 2, wherein: the positioning screw is a stepped shaft, and the shaft section sequentially comprises external threads, a conical guide surface and a rope connecting end part; a through groove is formed in the middle of the rope connecting end portion, a rope connecting pin shaft is fixed inside the through groove, and one end of the guide rope is fixed to the rope connecting pin shaft.
4. The impeller hoisting auxiliary butt joint device according to claim 1, wherein: the lower part of the pulley box body is provided with a hook for hoisting the impeller.
5. The impeller hoisting auxiliary butt joint device according to claim 4, wherein: the hook also comprises a unhooking component, wherein the unhooking component comprises unhooking plates movably arranged on two sides of the hook; a hoisting rope on which the impeller assembly is hoisted is hung on the hook and the unhooking plate; the unhooking plate moves to drive the hoisting rope to be detached from the hook.
6. The impeller hoisting auxiliary butt joint device according to claim 5, wherein: the unhooking plate is provided with a guide block, an unhooking hole and a first spring hook; the two sides of the hook are provided with a guide groove, an electromagnetic release and a second spring hook which are vertically arranged; the guide block moves up and down in the guide groove; two ends of the unhooking spring are respectively fixed on the first spring hook and the second spring hook; and the tripping part of the electromagnetic tripping device is clamped in the tripping hole.
7. The impeller hoisting auxiliary butt joint device according to claim 1, wherein: the large arm is further provided with a guide pulley, and the auxiliary rope is connected to the power winding drum after sequentially passing through the adjusting pulley assembly and the guide pulley.
8. The impeller hoisting auxiliary butt joint device according to claim 1, wherein: the pulley box body is characterized in that a rope connecting plate is fixedly mounted on the lower side of the pulley box body, and the auxiliary rope is fixedly connected to the rope connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653327.1A CN110329939B (en) | 2019-07-19 | 2019-07-19 | Impeller hoist and mount auxiliary docking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910653327.1A CN110329939B (en) | 2019-07-19 | 2019-07-19 | Impeller hoist and mount auxiliary docking device |
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| Publication Number | Publication Date |
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| CN110329939A CN110329939A (en) | 2019-10-15 |
| CN110329939B true CN110329939B (en) | 2021-01-26 |
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| CN201910653327.1A Active CN110329939B (en) | 2019-07-19 | 2019-07-19 | Impeller hoist and mount auxiliary docking device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114572806B (en) * | 2020-11-30 | 2024-06-04 | 广东博智林机器人有限公司 | Hoisting butt joint device and building platform with same |
| CN116902771A (en) * | 2023-07-11 | 2023-10-20 | 中国电建集团重庆工程有限公司 | Large hoisting device for land-based wind power generation equipment and application method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2257558T3 (en) * | 2002-05-27 | 2006-08-01 | Vestas Wind Systems A/S | METHODS OF HANDLING OF WIND TURBINES AND ASSEMBLY OF SUCH SHOES IN A WIND TURBINE, SYSTEM AND AGARITY UNIT TO HANDLE A WIND TURBINE SHOVEL. |
| EP1925582B1 (en) * | 2006-11-23 | 2010-06-23 | Siemens Aktiengesellschaft | Method and a device for mounting of wind turbine blades |
| CN203247009U (en) * | 2013-05-03 | 2013-10-23 | 中国葛洲坝集团股份有限公司 | Automatic detacher of under water hanging object |
| CN103603773B (en) * | 2013-10-31 | 2016-04-06 | 浙江大学 | Large-scale Wind Turbines impeller lifting docking guiding locator |
| CN106081904B (en) * | 2016-06-06 | 2017-11-17 | 武汉理工大学 | Jib-type crane container spreader stabilizer |
| CN108996390A (en) * | 2018-09-27 | 2018-12-14 | 徐玉中 | A kind of electrodynamic mechanical type automatic decoupling device |
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Effective date of registration: 20210916 Address after: 101199 No. 306, floor 3, building 1, No. a, Guanghua Road, Tongzhou District, Beijing Patentee after: Beijing Zhiyin Robot Technology Co.,Ltd. Address before: 066004 No. 438 west section of Hebei Avenue, seaport District, Hebei, Qinhuangdao Patentee before: Yanshan University |
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