CN110848088A - Fan impeller installation butt joint auxiliary system based on coaxial spacing can be from unblock - Google Patents
Fan impeller installation butt joint auxiliary system based on coaxial spacing can be from unblock Download PDFInfo
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- CN110848088A CN110848088A CN201910967832.3A CN201910967832A CN110848088A CN 110848088 A CN110848088 A CN 110848088A CN 201910967832 A CN201910967832 A CN 201910967832A CN 110848088 A CN110848088 A CN 110848088A
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- locking
- holding claw
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- annular
- butt joint
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- 210000001503 joint Anatomy 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 title claims abstract description 17
- 210000000078 claw Anatomy 0.000 claims abstract description 73
- 238000000034 method Methods 0.000 description 4
- 238000003032 molecular docking Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
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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
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a fan impeller installation butt joint auxiliary system capable of being automatically unlocked based on coaxial limiting, which comprises an annular support and a locking arm device, and is characterized by further comprising a power device for driving the locking arm to move circumferentially, an air bag auxiliary holding device and a butt joint holding claw, wherein the annular support comprises a support plate (20) and two pairs of annular slide rails (5) taking hollow slide rails as main bodies; the locking arm device comprises two pairs of locking arms, each pair of locking arms comprises a sliding plate (6) and two single arms fixed on two sides of the sliding plate (6), and the shapes of the two single arms are matched with the shapes of the hollow sliding rails of the pair of annular sliding rails (5) and can move along the circumferential direction of the corresponding annular sliding rails (5); the end parts of two single arms of one pair of locking arms are respectively provided with a toothed holding claw (15), and the end parts of two single arms of the other pair of locking arms are respectively provided with a holding claw (16) with a shell. The invention has the advantages of reliable butt joint and high precision.
Description
Technical Field
The invention relates to a fan impeller installation butt joint auxiliary system capable of being automatically unlocked based on coaxial limiting.
Background
Protects the common ecological environment of human beings, realizes green sustainable development, and China vigorously pushes forward the development of renewable energy sources. The wind energy is developed and utilized as green clean energy, plays an important role in increasing energy supply and adjusting energy structure, and the construction of wind power plants is always the key point of national energy input.
A wind farm includes dozens of wind turbines, and the installation of each wind turbine needs to be completed by hoisting with a large crane, and generally includes: hoisting a tower barrel, hoisting a cabin and a motor and hoisting an impeller integrally. Wherein, fan wheel assembly installation is usually in the high altitude more than 80 meters, and through 60 bolts of operation crane upper and lower, left and right sides adjustment impeller wheel hub periphery penetrate the screw, the degree of difficulty is big, the risk is high. According to a fan design manual and the hoisting process specification, when the impeller assembly is in butt joint with a fan cabin hub, auxiliary butt joint is needed, so that the precision is ensured. Under the condition of lacking necessary equipment, the butt joint process of the fan can be assisted only through manpower, and the mode is time-consuming, labor-consuming and high in cost, and the butt joint precision of the large impeller is difficult to guarantee.
Disclosure of Invention
The invention provides a self-unlocking fan impeller installation butt joint auxiliary system based on coaxial limiting, and aims to enable a butt joint device to have a guiding and positioning function, after a crane hoists an impeller to a cabin position, the auxiliary device can actively fine-tune the position of the impeller and guide the impeller to be in positioning butt joint with the cabin, the butt joint device has the guiding and positioning function, after the crane hoists the impeller to the cabin position, the auxiliary device can actively fine-tune the position of the impeller, the friction force of the device is increased and the contact area with the cabin is increased through an air bag auxiliary holding device, and the impeller and the cabin are guided to be in positioning butt joint. The technical scheme is as follows:
a self-unlocking fan impeller installation butt joint auxiliary system based on coaxial limiting comprises an annular bracket and a locking arm device, and is characterized by also comprising a power device for driving the locking arm to move circumferentially, an air bag auxiliary holding device and a butt joint holding claw, wherein,
the annular support comprises a support plate 20 and two pairs of annular slide rails 5 taking hollow slide rails as main bodies, cylindrical rollers 23 are arranged in the annular slide rails 5, and the two pairs of annular slide rails 5 are respectively positioned on two sides of the support plate 20;
the locking arm device comprises two pairs of locking arms, each pair of locking arms comprises a sliding plate 6 and two single arms fixed on two sides of the sliding plate 6, the shapes of the two single arms are matched with the shapes of the hollow sliding rails of the pair of annular sliding rails 5 and can move along the circumferential direction of the corresponding annular sliding rails 5, and the stroke resistance is reduced through the cylindrical rollers 23; the end parts of two single arms of one pair of locking arms are respectively provided with a toothed holding claw 15, the end parts of two single arms of the other pair of locking arms are respectively provided with a holding claw 16 with a shell, and the corresponding toothed holding claw 15 is meshed with the holding claw 16 with the shell in a tooth shape;
the shell holding claw 16 comprises a locking motor 19, a cam 18 and locking teeth 17, the locking teeth 17 are meshed with teeth on the toothed holding claw 15, and the locking motor 19 drives the locking teeth 17 to move through the cam 18 so as to realize locking and self-unlocking;
the power device for driving the locking arm to move circumferentially comprises a gear set 3 and a motor 4, the motor 4 is fixedly connected with the supporting plate, the motor 4 rotates to drive the gear set 3, and the gear set 3 drives the sliding plate 6 to move circumferentially along the annular sliding rail 5;
the air bag auxiliary holding device comprises an air pump 11, an air tank 12, a conduit 13 and an air bag 14, wherein the air bag 14 is arranged along the inner sides of the shell-contained holding claws 16 and the toothed holding claws 15 in a mode that the air bag 14 is arranged along the conduit 13 and is fully distributed on the inner side surfaces of the shell-contained holding claws 16 and the toothed holding claws 15, and the air bag 14 is connected with the air pump 11 and the air tank 12 through the conduit 13; the air bag 14 is inflated and expanded to be attached to the surface of the engine room 21, so that the surface of the engine room 21 is prevented from being damaged, the friction force can be increased, and the auxiliary fan impeller mounting device is fixed.
Each sliding plate is connected with a butt-joint holding claw; each butt-joint holding claw comprises a holding claw body 10, a hydraulic box 8, a hydraulic arm 7 and a push rod 9, wherein the hydraulic arm 7 and the push rod 9 are arranged in the hydraulic box 8, the hydraulic box 8 is fixed on the sliding plate 6, the holding claw body 10 is fixed at the front end of the push rod 9, the hydraulic arm 7 pushes the holding claw body 10 to horizontally move along the direction parallel to the rotating shaft of the annular sliding rail 5 through the push rod 9, and the two holding claw bodies 10 are used for bearing a small part of the weight of a fan impeller and guiding and butting an impeller 22 and a cabin 21.
Aiming at the installation characteristics of the fan impeller, compared with the prior art, the invention has the following advantages:
1. time and labor are saved, the cost is low, and the butt joint precision of the large impeller can be ensured.
2. The self-unlocking device ensures the recycling of the device.
3. The quality is little, reduces the cost of labor, avoids the potential safety hazard that manpower installation brought
Drawings
FIG. 1 is an overall block diagram of a self-unlockable fan impeller mounting docking assistance system of the present invention
The drawings illustrate the following:
1 dust-proof box, 2 hydraulic motor, 3 gear group, 4 electric motor, 5 annular slide rail, 6 slide plate, 7 hydraulic arm, 8 hydraulic box, 9 push rod, 10 embracing claw body, 11 air pump, 12 air tank, 13 conduit, 14 air bag, 15 toothed embracing claw, 16 shell embracing claw, 20 support plate
FIG. 2 shows the self-locking device of the self-unlocking fan impeller of the present invention
The drawings illustrate the following:
15 toothed holding claw, 16 shell holding claw, 17 locking tooth, 18 cam and 19 motor
FIG. 3 is the relationship of the inside of the hydraulic tank of the self-unlockable fan wheel of the present invention
The drawings illustrate the following:
7 hydraulic arm, 9 push rod
FIG. 4 is the relationship of the inside of the hydraulic tank of the self-unlockable fan wheel of the present invention
The drawings illustrate the following:
5 annular slide rail, 23 cylindrical roller and 24 sealing cover
FIG. 5 is the working attitude of the self-unlockable fan impeller mounting docking assistance system of the present invention
The drawings illustrate the following:
21 fan cabin, 22 fan impellers, butt joint holding claw
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, and the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the present invention.
With reference to the above figures, an embodiment of a self-unlocking blower wheel installation and docking assistance system for installing a wheel is provided.
The system (figure 1) is a self-unlocking fan impeller installation butt joint auxiliary system, and is mainly used for automatically centering and automatically arranging an impeller.
The working posture of the system is shown in figure 5.
As shown in figure 1, the self-unlocking fan impeller installation butt joint auxiliary system is a self-unlocking fan impeller installation butt joint auxiliary system, and the main structure of the self-unlocking fan impeller installation butt joint auxiliary system is composed of four parts, namely a dust prevention box, an annular support, a butt joint holding claw and a locking device. The dustproof box is composed of a dustproof box body 1, a dustproof box cover (hidden), a hydraulic motor 2, a gear set 3, a motor 4, an air pump 11 and an air tank 12.
The annular bracket comprises two annular slide rails 5 and cylindrical rollers 23 which are connected with each other.
The locking arm device mainly comprises a catheter 13, an air bag 14, a toothed holding claw 15, a shell holding claw 16, locking teeth 17, a cam 18 and a locking motor 19.
The butt-joint holding claw mainly comprises a holding claw body 10, a hydraulic arm 7, a hydraulic tank 8 and a push rod 9.
The system comprises a dustproof box 1, wherein the dustproof box 1 is fixed on an annular sliding rail 5 through screws, a gear set 3 is fixed on a rotating shaft through shaft hole interference fit, the rotating shaft is also fixed on the dustproof box 1 through shaft hole interference fit, and a motor 4 is fixed on the right side of the rotating shaft of the gear set 3 through screws. The hydraulic motor 2 is fixed to the upper portion of the support plate 20 by screws, and the gas tank 12 and the gas pump 11 are fixed to the side of the upper cover by screws. The power device inside the dust-proof box 1 ensures that the belt shell holding claw 16 and the belt tooth holding claw 15 can be driven to move along the circumferential annular slide rail 5: the gear set 3 is used for reducing speed and increasing torque, the motor 4 rotates to drive the gear set 3, and the gear set 3 drives the sliding plate 6 to move along the circumferential direction of the annular sliding rail 5. Meanwhile, the air tank 12 and the air pump 11 ensure that the air bag 14 can be inflated, so that the air bag auxiliary holding device can work normally.
The system comprises an annular slide rail 5 and a main body internally provided with two hollow slide rails, wherein a belt shell holding claw 16 and a belt tooth holding claw 15 are assembled inside the annular slide rail 5 in a matched mode in the same shape, the stroke is an arc, meanwhile, a cylindrical roller 23 is arranged inside the annular slide rail 5 to ensure that the stroke resistance is small, so that coaxial circumferential motion is carried out, a slide plate 6 is fixed on the side face of a locking arm device through welding, and a hydraulic box 8 is fixed on the surface of the slide plate 6 through screws. In order to install the cylindrical roller 23, the cylindrical roller 23 is installed at the hollow part on the inner side of the annular slide rail 5, and the cylindrical roller 23 is prevented from sliding out through the interference fit between the sealing cover 24 and the annular slide rail 5.
The system comprises a locking arm device, a toothed holding claw 15 is matched with a belt shell holding claw 16 through tooth-shaped meshing, the lower end part of the belt shell holding claw 16 comprises a square box body, and a cam 18 and a locking motor 19 are fixed on the inner surface of the box body through axial welding. When the tooth-shaped meshing of the locking teeth 17 is finished, the locking arm device cannot move along the annular sliding rail 5, and the locking arm device ensures that the device has enough radial force during working, so that the annular sliding rail 5 is fixed on the surface of the engine room 21. Finally, the locking motor 19 is used for driving the cam 18 to rotate so as to break the tooth-shaped engagement, and the locking arm device can move along the annular slide rail 5 so as to be automatically unlocked and retracted
The hydraulic clamping and holding system comprises a clamping body 10, wherein the clamping body 10 is connected with the front surface of a hydraulic box 8 in a matched mode through a screw hole, a hydraulic arm 7 is arranged inside the hydraulic box 8, the rear side of the hydraulic arm 7 is fixed on the rear surface inside the hydraulic box 8 through a counter bore screw, and the front side of the hydraulic arm 7 is fixed on the rear surface of a push rod 9 through a screw. The hydraulic arm 7 pushes the push rod 9 and the claw holding body 10 to move horizontally, and the claw holding body 10 is mainly used for bearing a small part of the weight of the fan impeller and automatically and horizontally butting the impeller 22 with the engine room 21. The holding claw body 10 is positioned inside the hydraulic tank 8, and the hydraulic tank 8 is fixedly connected with the circumferential movable belt shell holding claw 16 and the belt tooth holding claw 15, so that the circumferential follow-up is realized.
The system comprises an air bag auxiliary holding device, an air pump 11, an air tank 12, a conduit 13 and an air bag 14, wherein the air bag 14 is arranged along the inner sides of a holding claw 16 with a shell and a holding claw 15 with teeth, the non-inflatable end part of the air bag 14 is fixed by a screw, the arrangement mode is that the air bag 14 is arranged along the conduit 13 and is fully distributed on the inner side surfaces of the holding claw 16 with the shell and the holding claw 15 with teeth, the conduit 13 is arranged along the shape of a shell of the device, and the air bag 14 is connected with the air pump 11 and the air tank 12 through the. The air tank 12 and the air pump 11 are installed on the inner side plate of the dust-proof box 1 through screws to form a driving system, so that equipment can be prevented from being damaged, and a motor of the fan impeller auxiliary butt joint device can be prevented from being used.
The method for installing, guiding and butting the machine impeller specifically comprises the following steps:
the crane lifts the impeller 22 vertically to the front of the system, and at the same time, the system, located on the surface of the nacelle 21, starts to lock: the toothed holding claw 15 and the belt shell holding claw 16 move circumferentially along the two pairs of annular slide rails 5 of the annular support, when the toothed holding claw 15 is in contact with the belt shell holding claw 16, the locking teeth 17 are locked with the toothed holding claw 15, the air bag 14 expands to apply radial force, the air bag auxiliary holding device starts to work, and the system is guaranteed to be fixed on the surface of the engine room 21. Because the hydraulic tank 8, the toothed holding claw 15 and the belt shell holding claw 16 are in a follow-up relationship, the holding claw body 10 positioned in the hydraulic tank 8 is coaxial with the rotating shaft of the engine room 21, the holding claw body 10 and the push rod 9 are pushed by the hydraulic arm 7 to horizontally extend forwards to hold the impeller 22 and horizontally contract to complete the guiding butt joint process of the engine room 21 and the impeller 22.
Based on the coaxial limiting technology, the design can ensure the rapidity and the accuracy of butt joint. The labor cost is reduced, and potential safety hazards caused by manual installation are avoided. The cost is low, the weight is small, and the self-unlocking device can enable the device to be recycled.
Claims (1)
1. A self-unlocking fan impeller installation butt joint auxiliary system based on coaxial limiting comprises an annular bracket and a locking arm device, and is characterized by also comprising a power device for driving the locking arm to move circumferentially, an air bag auxiliary holding device and a butt joint holding claw, wherein,
the annular support comprises a support plate (20) and two pairs of annular slide rails (5) taking the hollow slide rails as main bodies, cylindrical rollers (23) are arranged in the annular slide rails (5), and the two pairs of annular slide rails (5) are respectively positioned on two sides of the support plate (20);
the locking arm device comprises two pairs of locking arms, each pair of locking arms comprises a sliding plate (6) and two single arms fixed on two sides of the sliding plate (6), the shapes of the two single arms are matched with the shapes of the hollow sliding rails of the pair of annular sliding rails (5) and can move along the circumferential direction of the corresponding annular sliding rails (5), and the stroke resistance is reduced through the cylindrical rollers (23); the end parts of two single arms of one pair of locking arms are respectively provided with a toothed holding claw (15), the end parts of two single arms of the other pair of locking arms are respectively provided with a holding claw (16) with a shell, and the corresponding toothed holding claw (15) is meshed with the holding claw (16) with the shell in a tooth shape;
the shell holding claw (16) comprises a locking motor (19), a cam (18) and locking teeth (17), the locking teeth (17) are meshed with teeth on the toothed holding claw (15), and the locking motor (19) drives the locking teeth (17) to move through the cam (18) so as to realize locking and self-unlocking;
the power device for driving the locking arm to move circumferentially comprises a gear set (3) and a motor (4), the motor (4) is fixedly connected with the supporting plate, the motor (4) rotates to drive the gear set (3), and the gear set (3) drives the sliding plate (6) to move circumferentially along the annular sliding rail (5);
the air bag auxiliary holding device comprises an air pump (11), an air tank (12), a conduit (13) and an air bag (14), wherein the air bag (14) is arranged along the inner sides of each shell-containing holding claw (16) and each tooth-containing holding claw (15) in a mode that the air bag (14) is arranged along the conduit (13) and is fully distributed on the inner side surfaces of the shell-containing holding claws (16) and the tooth-containing holding claws (15), and the air bag (14) is connected with the air pump (11) and the air tank (12) through the conduit (13); the air bag (14) is inflated and expanded to be attached to the surface of the cabin (21) so as to prevent the surface of the cabin (21) from being damaged, increase the friction force and fix the fan impeller auxiliary mounting device;
each sliding plate is connected with a butt-joint holding claw; every butt joint is embraced the claw and is included embracing claw body (10), hydraulic pressure case (8), hydraulic pressure arm (7) and push rod (9) of setting in hydraulic pressure case (8), hydraulic pressure case (8) are fixed on slide (6), it fixes the front end at push rod (9) to embrace claw body (10), hydraulic pressure arm (7) promote through push rod (9) and embrace claw body (10) along the revolving axle direction horizontal motion that is on a parallel with annular slide rail (5), two are embraced claw body (10) and are used for undertaking few partial weight of fan wheel to be used for direction butt joint impeller (22) and cabin (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910967832.3A CN110848088A (en) | 2019-10-12 | 2019-10-12 | Fan impeller installation butt joint auxiliary system based on coaxial spacing can be from unblock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910967832.3A CN110848088A (en) | 2019-10-12 | 2019-10-12 | Fan impeller installation butt joint auxiliary system based on coaxial spacing can be from unblock |
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|---|---|
| CN110848088A true CN110848088A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910967832.3A Pending CN110848088A (en) | 2019-10-12 | 2019-10-12 | Fan impeller installation butt joint auxiliary system based on coaxial spacing can be from unblock |
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| CN (1) | CN110848088A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201187533Y (en) * | 2008-04-25 | 2009-01-28 | 范迎松 | Elastic coupling |
| CN102530268A (en) * | 2011-08-02 | 2012-07-04 | 中国人民解放军国防科学技术大学 | Air bag type flywheel locking and unlocking device |
| WO2013044421A1 (en) * | 2011-09-28 | 2013-04-04 | 江苏聚源风电科技有限公司 | Wind power generation system |
| CN207437522U (en) * | 2017-09-20 | 2018-06-01 | 江苏华信预应力制品有限公司 | A kind of support frame for building connector |
| CN108147284A (en) * | 2017-12-26 | 2018-06-12 | 江苏金风科技有限公司 | The hanging method and its auxiliary device of wind power generating set impeller |
| US20190032638A1 (en) * | 2016-07-26 | 2019-01-31 | Sling Supply International, S.A. | System for assembling/disassembling windmills blades |
| CN110145441A (en) * | 2019-06-19 | 2019-08-20 | 吉林大学 | A kind of guidance and positioning device docked in the air for draught fan impeller assembly with cabin |
| CN211666847U (en) * | 2019-10-12 | 2020-10-13 | 天津大学 | Fan impeller installation butt joint auxiliary system based on coaxial spacing can be from unblock |
-
2019
- 2019-10-12 CN CN201910967832.3A patent/CN110848088A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201187533Y (en) * | 2008-04-25 | 2009-01-28 | 范迎松 | Elastic coupling |
| CN102530268A (en) * | 2011-08-02 | 2012-07-04 | 中国人民解放军国防科学技术大学 | Air bag type flywheel locking and unlocking device |
| WO2013044421A1 (en) * | 2011-09-28 | 2013-04-04 | 江苏聚源风电科技有限公司 | Wind power generation system |
| US20190032638A1 (en) * | 2016-07-26 | 2019-01-31 | Sling Supply International, S.A. | System for assembling/disassembling windmills blades |
| CN207437522U (en) * | 2017-09-20 | 2018-06-01 | 江苏华信预应力制品有限公司 | A kind of support frame for building connector |
| CN108147284A (en) * | 2017-12-26 | 2018-06-12 | 江苏金风科技有限公司 | The hanging method and its auxiliary device of wind power generating set impeller |
| CN110145441A (en) * | 2019-06-19 | 2019-08-20 | 吉林大学 | A kind of guidance and positioning device docked in the air for draught fan impeller assembly with cabin |
| CN211666847U (en) * | 2019-10-12 | 2020-10-13 | 天津大学 | Fan impeller installation butt joint auxiliary system based on coaxial spacing can be from unblock |
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