CN113364224B - Wind turbine generator collector ring installation device and installation method - Google Patents
Wind turbine generator collector ring installation device and installation method Download PDFInfo
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- CN113364224B CN113364224B CN202110643593.3A CN202110643593A CN113364224B CN 113364224 B CN113364224 B CN 113364224B CN 202110643593 A CN202110643593 A CN 202110643593A CN 113364224 B CN113364224 B CN 113364224B
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- 238000000034 method Methods 0.000 title claims description 18
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- 230000005540 biological transmission Effects 0.000 claims description 7
- 239000011295 pitch Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 230000033001 locomotion Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 230000006378 damage Effects 0.000 description 4
- 230000003578 releasing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
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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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Abstract
本发明提供装卸方便，结构简单的一种风力发电机组发电机集电环安装装置，其特征在于：包括定心装置、一端转动连接在所述定心装置上的护套、设置在所述护套一侧的推卸装置以及固定连接在所述推卸装置上的手柄；所述定心装置设置有通孔；所述护套套设在所述集电环上；所述定心装置与所述护套同轴心；所述集电环一端设置有支撑装置；所述支撑装置贯穿所述护套并与所述护套滑动连接；所述支撑装置与所述推卸装置螺纹连接；所述支撑装置与所述护套同轴心；所述定心装置套设在所述发电机轴上。本发明采用定心装置，避免过盈配合中装配困难，装配过程中定心不准造成装配装入再拉出的反复找心工作，减少作业时间，提高工作效率。
The present invention provides a wind turbine generator collector ring installation device that is easy to load and unload and has a simple structure. The device is characterized in that it includes a centering device, a sleeve with one end rotatably connected to the centering device, a push-off device arranged on one side of the sleeve, and a handle fixedly connected to the push-off device; the centering device is provided with a through hole; the sleeve is sleeved on the collector ring; the centering device is coaxial with the sleeve; a supporting device is provided at one end of the collector ring; the supporting device penetrates the sleeve and is slidably connected with the sleeve; the supporting device is threadedly connected to the push-off device; the supporting device is coaxial with the sleeve; the centering device is sleeved on the generator shaft. The present invention adopts a centering device to avoid assembly difficulties in interference fit, and the repeated centering work caused by inaccurate centering during assembly caused by assembly insertion and pulling out, thereby reducing operation time and improving work efficiency.
Description
Technical Field
The invention belongs to the technical field of auxiliary tools for installing a generator of a wind turbine generator, and particularly relates to a device and a method for installing a collecting ring of a generator of a fan motor.
Background
The quality of the generator in the wind generating set is closely related to the assembly of accessories, two slip rings made of copper are arranged in a generator commutator and are named as slip rings, a generator rotor is a shaft made of steel and provided with rolling threads, in the production process, the outer diameter of the shaft and the inner diameter of the slip rings have errors, the slip rings are damaged due to large press-fit size interference, and the slip rings are loose due to small interference. In addition, in the process of press fitting the collecting ring, the used pressure imbalance also can cause that the collecting ring cannot be accurately mounted on a generator shaft, and assembly clamping stagnation or other strength is caused.
Large parts such as the collecting ring in the wind turbine generator system need to be replaced regularly, when the collecting ring is replaced and installed, the collecting ring is affected by the space of the fan, the collecting ring is difficult to install, personnel are labor-consuming, and damage is easy to cause. The daily collecting ring of dismantling does not have professional device, dismantles the difficulty, seriously influences work efficiency.
The utility model provides an utilize setting up the fixed orifices of generator shaft among the prior art, through place the collecting ring on the disc with screw rod threaded connection, on leading into the generator shaft with the collecting ring through the screw thread, such connected mode pushes in the power with the collecting ring and all acts on the generator shaft, the fixed stress point of collecting ring concentrates on the epaxial fixed screw rod department of generator, because wind turbine generator system's generator and collecting ring appearance are big, after using a period, make screw rod and epaxial screw thread destruction of generator easily, cause the collecting ring to fix unstably, and the epaxial screw hole of generator is not good to repair after destroying. In addition, the three stress points are adopted for installation, the collecting ring is easy to deviate due to overlarge stress on one side in the installation process, after the collecting ring deviates, the collecting ring is more laborious to install, and meanwhile, the positions of the bolts are inconvenient to observe and inconvenient to adjust.
In the prior art, most adopt the mode that the frock pushed in to impress the collecting ring on the generator shaft, unable this kind of frock of use when dismantling the collecting ring for the availability ratio of frock is low, and because be interference fit between collecting ring hole and the generator shaft, it is more difficult than the assembly work to dismantle the work, can damage the collecting ring sometimes, causes the waste of work piece material. The existing tool for assembling the collecting ring is not protected on the collecting ring, and is not beneficial to protection because the disassembling space in the wind turbine generator is narrow and small, so that the collecting ring is easy to collide or damage outside the collecting ring in the process of assembling the collecting ring.
Disclosure of Invention
The invention aims to provide a collector ring mounting device of a wind generating set generator, which is convenient to assemble and disassemble and simple in structure, so as to solve the defects in the prior art;
The second object of the present invention is to provide a method for using the device for installing a collector ring of a generator of a wind generating set, in order to achieve the above object, the technical scheme provided by the present invention is as follows:
the utility model provides a wind generating set generator collecting ring installation device, includes centering device, one end rotates the sheath of being connected on the centering device, sets up shirking device and the fixed handle of connecting on shirking device in sheath one side;
the centering device is provided with a through hole;
the sheath is sleeved on the collecting ring;
the centering device is coaxial with the sheath;
One end of the collecting ring is provided with a supporting device;
the supporting device penetrates through the sheath and is connected with the sheath in a sliding manner;
The supporting device is in threaded connection with the pushing and unloading device;
The supporting device is coaxial with the sheath;
The centering device is sleeved on the generator shaft.
The centering device comprises a centering bottom plate, a first support fixedly connected to the sheath, a first bevel gear motor rotatably connected to the first support and a first bevel gear fixedly connected to an output shaft of the first bevel gear motor, wherein a first plane thread is arranged on the left end face of the centering bottom plate, a first annular tooth matched with the gear tooth of the first bevel gear is arranged on the right end face of the centering bottom plate, the first annular tooth is meshed with the first bevel gear for transmission, a centering block is arranged at the left end of the centering bottom plate, the first plane thread is a protrusion spirally arranged from the axis of the centering bottom plate to the outer circumference, the number of the centering blocks is three, the three centering blocks are distributed along the center circumference of the centering bottom plate, the centering blocks are in sliding connection with the first plane thread, and the fixed shaft is concentric with the centering bottom plate.
The support moving block is further provided with a centering moving block thread matched with the first plane thread, the cross section of the first plane thread is T-shaped, one side of the centering moving block thread is provided with an inverted T-shaped groove matched with the first plane thread, and the thread pitches of the first plane thread and the centering moving block thread are equal.
The support device comprises a support base plate, a fixed shaft penetrating through the axis of the support base plate, a second support fixedly connected to the fixed shaft, a second bevel gear motor fixedly connected to the second support and a second bevel gear fixedly connected to an output shaft of the second bevel gear motor, wherein a second planar thread is arranged on the left end face of the support base plate, a second annular tooth matched with the gear tooth of the second bevel gear is arranged on the right end face of the support base plate, the second annular tooth is meshed with the second bevel gear for transmission, a support moving block is arranged at the left end of the support base plate, the second planar thread is a protrusion spirally arranged from the axis of the support base plate to the outer circumference, the number of the support moving blocks is three, the three support moving blocks are distributed along the center circumference of the support base plate, the support moving blocks are in sliding connection with the second planar thread, and the support base plate is rotatably sleeved on the fixed shaft.
The support moving block is provided with a support moving block thread matched with the second plane thread, the section of the second plane thread is T-shaped, one side of the support moving block thread is provided with an inverted T-shaped groove matched with the second plane thread, and the thread pitches of the second plane thread and the support moving block thread are equal.
The pushing and unloading device comprises a pushing plate fixedly arranged on the right side of the pushing shaft, the pushing plate is uniformly arranged on one end face of the pushing plate, a handle is arranged on the other end face of the pushing plate, the handle is used for principle the center of the pushing plate, and the pushing shaft transversely penetrates through the sheath.
Further, an angular thrust ball bearing is arranged between the supporting bottom plate and the fixed shaft; the two ends of the supporting bottom plate are respectively provided with an angular thrust ball bearing, the angular thrust ball bearings at the two ends are respectively provided with a retainer ring, the fixed shaft is provided with a shaft groove matched with the retainer ring, the supporting bottom plate is provided with a hole groove matched with the retainer ring, and the retainer ring is arranged between the shaft groove and the hole groove.
The centering moving block is provided with a centering arc surface with the same outer diameter as the fixed shaft at one end, close to the fixed shaft, of the centering moving block, a steel ball hole is formed in the centering arc surface, a steel ball is arranged in the steel ball hole, and the steel ball does not deviate from the centering arc surface.
Further, one end of the supporting moving block principle fixed shaft is provided with a supporting arc matched with the inner hole of the collecting ring, and the arc length of the supporting arc is smaller than one quarter of the diameter of the collecting ring.
The application method of the collecting ring installation device of the wind generating set generator comprises the following implementation steps:
The method comprises the steps of fixedly connecting a fixed shaft in a supporting device with a generator shaft, and connecting a pushing and unloading device with the fixed shaft;
step two, connecting the centering device with the sheath, putting the collecting ring into the sheath, and sleeving the collecting ring into the fixed shaft;
Starting a first bevel gear motor, and locking the outer circumference of a generator shaft by a centering block;
Starting a second bevel gear motor, and supporting a movable block to lock an inner hole of the collecting ring;
Step five, shaking the handle to completely push the collecting ring into the generator shaft;
Step six, reversely starting the second bevel gear motor, and enabling the supporting movable block to shrink towards the center of the supporting bottom plate and separate from the inner hole of the collecting ring;
Step seven, reversely starting the first bevel gear motor, and expanding the fixed-center block away from the center of the generator shaft and separating from the outer circumference of the generator shaft;
And step eight, pulling out the collector ring mounting device of the generator of the wind generating set, and separating from the mounted collector ring.
Compared with the prior art, the beneficial effects are that
1. The centering device is adopted to make the device concentric with the axle center of the generator shaft, the supporting device for supporting the collecting ring in the device is concentric with the axle center of the generator shaft, and the collecting ring and the generator shaft are high in concentricity precision by means of mechanical centering of three centering moving blocks and mechanical centering of three supporting moving blocks, so that the collecting ring is convenient to install, and assembly difficulty caused by eccentric holes in the generator shaft and the collecting ring in the installation process is reduced. The repeated centering work of assembling, loading and pulling out caused by difficult assembling in interference fit and inaccurate centering in the assembling process is avoided, the operation time is shortened, and the working efficiency is improved.
2. The invention adopts the supporting moving block in the supporting device and also adopts a three-point supporting method, so that the inner hole of the collecting ring is outwards enlarged according to the concentric axle center of the generator, and in the interference fit between the axle and the hole, the interference is generally several meters, and the supporting device enlarges the inner hole of the collecting ring, so that the collecting ring can be smoothly installed into the generator axle.
3. According to the invention, a progressive thread structure is adopted, so that when the handle is rotated, the supporting device for supporting the inner hole of the collecting ring rotates and simultaneously has linear feeding motion.
4. The invention adopts the sheath to connect the supporting device and the centering device, and because the excircle of the collecting ring is made of non-metal material, the function effect of the collecting ring can be affected by collision in the assembly process, and the collecting ring can be protected from collision by being placed in the sheath, and the connecting effect can be achieved.
5. The invention uses the motor to open and close to control the locking and releasing actions of the centering device and the supporting device, avoids the use of manual operation in a narrow wind turbine, reduces the manual work task and improves the assembly efficiency.
6. The invention can be used as a device for assembling and disassembling the collecting ring on and from the generator shaft, integrates the assembling and disassembling functions, reduces the plurality of tooling tools caused by the diversification of the assembling and maintaining device, does not need to replace and carry various tooling equipment, and is suitable for the mounting, maintenance and repair work of the generator of the outdoor wind turbine generator.
7. The invention has less manual operation and convenient operation, the size of the mechanical structure of the invention is designed according to the size of the appearance of the collecting ring, the assembly or disassembly steps are simple, and the invention is easy to be mastered by operators.
Drawings
FIG. 1 is a schematic cross-sectional view of embodiment 1 of the present invention;
FIG. 2 is a schematic diagram of the front view structure of the present invention;
FIG. 3 is a schematic left-hand view of the present invention;
FIG. 4 is a schematic structural view of the centering device of the present invention;
FIG. 5 is a schematic diagram of the front view of the supporting device of the present invention;
FIG. 6 is a schematic left-hand view of the support device of the present invention;
Fig. 7 is a schematic diagram in cross-section of embodiment 2 of the present invention. The centering device comprises a centering device 1, a centering bottom plate 11, a first plane thread 12, a first annular tooth 13, a first bevel gear motor 14, a first bevel gear 15, a centering block 16, a centering block 161, a centering block thread 162, a centering arc surface 162, a steel ball 163, a first bracket 17, a sheath 2, a supporting device 3, a supporting bottom plate 31, a second plane thread 32, a second annular tooth 33, a second bevel gear motor 34, a second bracket 35, a second bevel gear 36, a fixed shaft 37, a supporting block 38, a 39-angle thrust ball bearing 310, a retainer ring 311, a supporting arc 312, a connecting shaft 4, a pushing device 41, a pushing plate 42, a handle 43, a cylinder 44, a generator shaft 5 and a collecting ring 6.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
It should be noted that the terms "length," "width," "upper," "lower," "left," "right," and the like indicate an orientation or positional relationship based on that shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the apparatus or elements in question must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as showing the present invention.
As shown in figures 1, 2 and 3, the collector ring mounting device of the wind turbine generator set generator comprises a centering device 1, a sheath 2 with one end rotatably connected to the centering device 1, a pushing device 4 arranged on one side of the sheath 2 and a handle 43 fixedly connected to the pushing device 4, wherein the centering device 1 is provided with a through hole, the sheath 2 is sleeved on the collector ring 6, the centering device 1 is coaxial with the sheath 2, a supporting device 3 is arranged at one end of the collector ring 6, the supporting device 3 penetrates through the sheath 2 and is in sliding connection with the sheath 2, the supporting device 3 is in threaded connection with the pushing device 4, the supporting device 3 is coaxial with the sheath 2, and the centering device 1 is sleeved on the generator shaft 5.
The centering device 1 is used for locking the generator shaft 5, the mounting device is concentric with the generator shaft 5, the centering device 1 is concentric with the sheath 2, the supporting device 3 concentric with the sheath 2 is concentric, the supporting device 3 penetrates through the sheath to prop open the inner hole of the collecting ring 6, and the collecting ring 6 is pushed to be mounted on the generator shaft 5 through the pushing-off device 4. The collecting ring 6 is pulled out of one end of the generator shaft 5 by the centering device 1 and the pushing-off device 4, and the supporting device 3 spreads the inner hole of the collecting ring 6 until the collecting ring 6 is detached.
As shown in fig. 2,3 and 4, the centering device 1 comprises a centering bottom plate 11, a first bracket 17 fixedly connected to the sheath 2, a first bevel gear motor 14 fixedly connected to the first bracket 17 and a first bevel gear 15 fixedly connected to an output shaft of the first bevel gear motor 14, a first plane thread 12 is arranged on the left end face of the centering bottom plate 11, a first annular tooth 13 matched with the tooth part of the first bevel gear 15 is arranged on the right end face of the centering bottom plate 11, the first annular tooth 13 is in meshing transmission with the first bevel gear 15, a centering block 16 is arranged on the left end of the centering bottom plate 11, the first plane thread 12 is a bulge spirally arranged from the axis of the centering bottom plate 11 to the outer circumference, the number of the centering blocks 16 is three, the three centering blocks 16 are distributed along the center circumference of the centering bottom plate 11, and the centering blocks 16 are in sliding connection with the first plane thread 12.
The centering block 16 is provided with a centering block thread 161 matched with the first plane thread 12, the cross section of the first plane thread 12 is T-shaped, one side of the centering block thread 161 is provided with an inverted T-shaped groove matched with the first plane thread 12, and the pitches of the first plane thread 12 and the centering block thread 161 are equal.
The working process is that a first bevel gear motor 14 is started, the first bevel gear motor 14 drives a first bevel gear 15 to rotate, the first bevel gear 15 drives a centering base plate 11 to rotate, a first plane thread 12 arranged on the left end face rotates along with the centering base plate 11, and relative movement is generated between the first plane thread 12 and a centering moving block thread 161, so that three centering moving blocks 16 are locked on a generator shaft 5, and the installation device is centered.
As shown in fig. 5 and 6, the supporting device 3 comprises a supporting base plate 31, a fixed shaft 37 penetrating through the axis of the supporting base plate 31, a second bracket 35 fixedly connected to the fixed shaft 37, a second bevel gear motor 34 fixedly connected to the second bracket 35, and a second bevel gear 36 fixedly connected to an output shaft of the second bevel gear motor 34, a second planar thread 32 is arranged on the left end face of the supporting base plate 31, a second annular tooth 33 matched with the tooth part of the second bevel gear 36 is arranged on the right end face of the supporting base plate 31, the second annular tooth 33 is meshed with the second bevel gear 36 for transmission, a supporting movable block 38 is arranged on the left end of the supporting base plate 31, the second planar thread 32 is a protrusion spirally arranged outwards from the axis of the supporting base plate 31, the number of the supporting movable blocks 38 is three, the three supporting movable blocks 38 are distributed along the central circumference of the supporting base plate 31, the supporting movable blocks 38 are slidably connected with the second planar thread 32, and the supporting base plate 31 is rotatably sleeved on the fixed shaft 37. The support moving block 38 is provided with a support moving block thread matched with the second plane thread 32, the section of the second plane thread 32 is of a T shape, and one side of the support moving block thread is provided with an inverted T-shaped groove matched with the second plane thread 32. The fixed shaft 37 is concentric with the centering plate 11. The working process is the same as that of the centering device 1, and the axle center of the inner hole of the collecting ring is concentric with the axle center of the generator shaft through three supporting moving blocks.
As shown in fig. 2, 3, 4 and 5, the pushing and unloading device 4 comprises a top shaft 41 and a push plate 42 fixedly arranged on the right side of the top shaft 41, wherein the top shaft 41 is uniformly arranged on one end face of the push plate 42, a handle 43 is arranged on the other end face of the push plate 42, the handle 43 is used for principle that the center of the push plate 42 is arranged, and the top shaft 41 transversely penetrates through the sheath 2.
The working process is that the push plate 42 is manually controlled by the handle 43, the push plate 42 drives the sheath 2 to rotate, and the fixed shaft 37 is fixedly connected with the generator shaft 5, so that the fixed shaft 37 is fixed, the push plate 42 is in threaded connection with the fixed shaft 37, namely, the push plate 42 is pushed forward in a spiral way, the pushing distance of one circle of rotation is the screw pitch on the fixed shaft 37, and the number of the top shafts 41 welded on the push plate 42 is three in the embodiment, and the number of the top shafts can be also three in other embodiments, so that the power collecting ring 6 is uniformly stressed when being pushed forward in order to increase the acting surface for pushing the power collecting ring 6, and the condition of one side inclination cannot be generated. The three top shafts 41 act on the end face of the collector ring 6, so that the collector ring 6 is sleeved on the generator shaft 5.
An angular thrust ball bearing 39 is arranged between the supporting bottom plate 31 and the fixed shaft 37, the two ends of the supporting bottom plate 31 are respectively provided with the angular thrust ball bearings 39, the angular thrust ball bearings 39 at the two ends are respectively provided with a retainer ring 310, the fixed shaft 37 is provided with a shaft groove matched with the retainer ring, the supporting bottom plate 31 is provided with a hole groove matched with the retainer ring, and the retainer ring 310 is arranged between the shaft groove and the hole groove.
The centering block 16 is provided with a centering circular arc surface 162 with the same outer diameter as the fixed shaft 37 at one end close to the generator shaft 5, the centering circular arc surface 162 is provided with a steel ball hole, a steel ball 163 is arranged in the steel ball hole, and the steel ball 163 does not deviate from the centering circular arc surface 162.
One end of the fixed shaft 37 of the supporting moving block 38 is provided with a supporting arc 311 which is matched with the inner hole of the collecting ring 6, and the arc length of the supporting arc 311 is smaller than one quarter of the diameter of the collecting ring 6.
The step of installing the collecting ring 6 into the generator shaft 5 comprises the steps of fixedly connecting a fixed shaft 37 in the supporting device 3 with the generator shaft 5, connecting a push plate 42 in the pushing and detaching device 4 with the fixed shaft 37 in a threaded manner, connecting the centering device 1 with the sheath 2 through an angular thrust ball bearing, placing the collecting ring 6 into the sheath 2, sleeving an inner hole of the collecting ring 6 on the fixed shaft 37 and a supporting bottom plate 31 of the supporting device 3, starting a first bevel gear motor 14, rotating a first bevel gear 15, driving the centering bottom plate 11 to rotate, driving the centering bottom plate 16 to lock the outer circumference of the generator shaft 5 through the sliding of a first plane thread 12 and a centering motion block thread 161, starting a second bevel gear motor 34, driving the supporting bottom plate 31 to rotate, driving the supporting bottom plate 31 to slide with the supporting motion block thread through a second plane thread 32, driving the supporting motion block 38 to lock the inner hole of the collecting ring 6, five steps of a handle 43, driving the collecting ring 6 to rotate through the first plane thread 12 and the centering motion block thread 161, expanding the side of the collecting ring 6 to the opposite to the side of the collecting ring 6, and moving the side of the collecting ring 6 to the front end face of the supporting bottom plate 5, and expanding the handle 43, and completely contacting the side of the collecting ring 6 to the front end face of the collecting ring 6 when the first bevel gear 31 is completely separated from the front face of the supporting the oscillating motion plate 5, and is separated from the outer circumference of the generator shaft 5, so that the centering bottom plate 11 and the centering block 16 can be completely separated from the outer circumference of the collecting ring 6, the step eight is to pull out the collecting ring mounting device of the generator of the wind generating set and separate from the mounted collecting ring 7, and the step nine is to detach the fixed shaft 37 and the pushing and detaching device 4.
The method comprises the steps of dismounting a collecting ring 6 from a generator shaft 5, namely, fixedly connecting a fixed shaft 37 in a supporting device 3 with the generator shaft 5, connecting a push plate 42 in a pushing and dismounting device 4 with the fixed shaft 37 in a threaded manner, namely, starting a first bevel gear motor 14, driving a centering bottom plate 11 to rotate by rotating a first bevel gear 15, locking a centering movable block 16 on the outer circumference of the generator shaft 5 through sliding of a first plane thread 12 and a centering movable block thread 161, namely, reversely shaking a handle 43, driving the centering movable block 16 to be in contact with the end face of the collecting ring 6 through threaded transmission of the fixed shaft 37 and the push plate 41, and generating pull force on the collecting ring 6, and when the collecting ring 6 is pulled out a certain distance to reach the supporting bottom plate 31, namely, starting a second bevel gear motor 34, driving the supporting bottom plate 31 to rotate, driving the supporting movable block 38 to slide with the supporting movable block thread 32, locking the inner hole of the collecting ring 6 by the supporting movable block 38, facilitating the rest of the collecting ring 6, namely, stopping the collecting ring 6, namely, completely dismounting the collecting ring 6 from the generator shaft 5 until the generator shaft 6 is completely separated from the fixed shaft 37, and releasing the collecting ring 6 from the inner hole from the supporting bottom plate 6, namely, completely pulling the collecting ring 6 to be separated from the supporting ring 6, namely, reversely pulling the fixed shaft from the fixed shaft, pulling the collecting ring 6, and releasing the collecting ring 6 from the supporting ring 6, namely, completely, pulling the collecting ring 6, pulling a second bevel gear to be separated from the supporting ring, and pulling a hole 6, and pulling ring, and releasing the collecting ring.
Example 2
As shown in FIG. 7, the collecting ring mounting device for the wind turbine generator comprises a centering device 1, a sheath 2 fixedly connected to the centering device 1, a pushing device 4 fixedly connected to one side of the sheath 2 and a cylinder 44 fixedly connected to the pushing device 4, wherein the centering device 1 is provided with a through hole, the sheath 2 is sleeved on the collecting ring 6, the centering device 1 and the sheath 2 are coaxial, one end of the collecting ring 6 is provided with a supporting device 3, the supporting device 3 is fixedly connected with the sheath 2 through a connecting shaft 312, the cylinder 44 is fixed on a support arranged on a generator base, the supporting device 3 and the sheath 2 are coaxial, and the centering device 1 is sleeved on the generator shaft 5.
Unlike in example 1, the handle 43 is eliminated, the fixed shaft 37 is eliminated, the supporting device 3 is fixed on the sheath 2 through the connecting shaft 312, the cylinder 44 is started after the centering device 1 is centered, the collector ring 6 is pushed onto the engine shaft 5, and when the end face of the supporting device 3 is in contact with the generator shaft, the part which is not completely loaded into the generator shaft 5 is pushed further by the cylinder 44.
While embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various modifications, changes, substitutions and alterations can be made to this embodiment without departing from the principles of the present invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The collector ring mounting device for the wind generating set generator is characterized by comprising a centering device (1), a sheath (2) with one end rotatably connected to the centering device (1), a push-off device (4) arranged on one side of the sheath (2), a handle (43) fixedly connected to the push-off device (4) and a collector ring (6) arranged on the axis of the centering device (1);
The centering device (1) is provided with a through hole;
the sheath (2) is sleeved on the collecting ring (6);
The centering device (1) is coaxial with the sheath (2);
one end of the collecting ring (6) is provided with a supporting device (3);
The supporting device (3) penetrates through the sheath (2) and is connected with the sheath (2) in a sliding manner;
The supporting device (3) is in threaded connection with the pushing device (4);
the supporting device (3) is coaxial with the sheath (2);
the centering device (1) is sleeved on the generator shaft (5);
The centering device (1) comprises a centering bottom plate (11), a first bracket (17) fixedly connected to the sheath (2), a first bevel gear motor (14) rotatably connected to the first bracket (17) and a first bevel gear (15) fixedly connected to an output shaft of the first bevel gear motor (14);
the left end face of the centering bottom plate (11) is provided with a first plane thread (12), the right end face of the centering bottom plate (11) is provided with a first annular tooth (13) matched with the tooth part of the first bevel gear (15), and the first annular tooth (13) is meshed with the first bevel gear (15) for transmission;
A centering moving block (16) is arranged at the left end of the centering bottom plate (11);
The first plane threads (12) are bulges spirally arranged from the axis of the centering bottom plate (11) to the outer circumference, and the number of the centering moving blocks (16) is three;
the three centering blocks (16) are distributed along the center circumference of the centering bottom plate (11), and the centering blocks (16) are in sliding connection with the first plane threads (12);
The supporting device (3) comprises a supporting bottom plate (31), a fixed shaft (37) penetrating through the axis of the supporting bottom plate (31), a second bracket (35) fixedly connected to the fixed shaft (37), a second bevel gear motor (34) fixedly connected to the second bracket (35) and a second bevel gear (36) fixedly connected to an output shaft of the second bevel gear motor (34); the left end face of the supporting bottom plate (31) is provided with a second plane thread (32), the right end face of the supporting bottom plate (31) is provided with a second annular tooth (33) which is matched with the tooth part of the second bevel gear (36), the second annular tooth (33) is meshed with the second bevel gear (36) for transmission; one end of the supporting bottom plate (31) is provided with a supporting movable block (38); the second planar thread (32) is a bulge spirally arranged from the axis of the supporting bottom plate (31) to the outer circumference; the number of the supporting moving blocks (38) is three; three supporting blocks (38) are distributed along the center circumference of the supporting bottom plate (31); the supporting movable block (38) is in sliding connection with the second plane thread (32); the supporting bottom plate (31) is rotatably sleeved on the fixed shaft (37); the centering bottom plate (11) is a circular plate; the fixed shaft (37) is concentric with the centering base plate (11);
The pushing and unloading device (4) comprises a pushing shaft (41) and a pushing plate (42) fixedly arranged on the right side of the pushing shaft (41), wherein the pushing shaft (41) is uniformly arranged on one end face of the pushing plate (42), a handle (43) is arranged on the other end face of the pushing plate (42), the handle (43) is far away from the axis of the pushing plate (42), and the pushing shaft (41) transversely penetrates through the sheath (2).
2. The collecting ring mounting device for the wind generating set generator is characterized in that the centering block (16) is provided with a centering block thread (161) matched with the first plane thread (12), the cross section of the first plane thread (12) is T-shaped, one side of the centering block thread (161) is provided with an inverted T-shaped groove matched with the first plane thread (12), and the pitches of the first plane thread (12) and the centering block thread (161) are equal.
3. The collector ring mounting device for the wind generating set generator is characterized in that the supporting moving block (38) is provided with supporting moving block threads matched with the second plane threads (32), the section of the second plane threads (32) is T-shaped, one side of each supporting moving block thread is provided with an inverted T-shaped groove matched with the second plane threads (32), and the thread pitches of the second plane threads (32) are equal to those of the supporting moving block threads.
4. The collecting ring mounting device for the wind generating set generator is characterized in that an angular thrust ball bearing (39) is arranged between the supporting bottom plate (31) and the fixed shaft (37), check rings (310) are arranged on the angular thrust ball bearings (39) at two ends, shaft grooves matched with the check rings are arranged on the fixed shaft (37), hole grooves matched with the check rings are formed in the supporting bottom plate (31), and the check rings (310) are arranged between the shaft grooves and the hole grooves.
5. The collector ring mounting device for the wind generating set generator is characterized in that one end, close to the fixed shaft (37), of the centering moving block (16) is provided with a centering circular arc surface (162) with the same outer diameter as the fixed shaft (37), the centering circular arc surface (162) is provided with a steel ball hole, a steel ball (163) is arranged in the steel ball hole, and the steel ball (163) does not deviate from the centering circular arc surface (162).
6. The collector ring mounting device for the wind generating set generator is characterized in that one end, away from a fixed shaft (37), of a supporting movable block (38) is provided with a supporting arc (311) matched with an inner hole of the collector ring (6), and the supporting arc (311) is fixedly connected with the supporting movable block (38).
7. The method for using the collector ring mounting device of the generator of the wind generating set as claimed in claim 1, wherein the method comprises the following implementation steps:
The method comprises the steps of fixedly connecting a fixed shaft (37) in a supporting device (3) with a generator shaft (5), and connecting a pushing and unloading device (4) with the fixed shaft (37);
Step two, connecting the centering device (1) with the sheath (2), putting the collecting ring (6) into the sheath (2) and sleeving the collecting ring into the fixed shaft (37);
Starting a first bevel gear motor (14), and locking the outer circumference of a generator shaft (5) by a centering block (16);
Starting a second bevel gear motor (34), and supporting a movable block (38) to lock an inner hole of the collecting ring (6);
step five, the handle (43) is rocked to push the collecting ring (6) into the generator shaft (5) completely;
step six, reversely starting the second bevel gear motor (34), and enabling the supporting movable block (38) to shrink towards the center of the supporting bottom plate (31) and separate from the inner hole of the collecting ring (6);
Step seven, reversely starting the first bevel gear motor (14), and expanding the centering block (16) away from the center of the generator shaft (5) and separating from the outer circumference of the generator shaft (5);
and step eight, pulling out the collector ring mounting device of the generator of the wind generating set, and separating from the mounted collector ring (6).
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| CN202110643593.3A CN113364224B (en) | 2021-06-09 | 2021-06-09 | Wind turbine generator collector ring installation device and installation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110643593.3A CN113364224B (en) | 2021-06-09 | 2021-06-09 | Wind turbine generator collector ring installation device and installation method |
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| CN216451260U (en) * | 2021-06-09 | 2022-05-06 | 河北新天科创新能源技术有限公司 | Installation device for collecting ring of generator of wind turbine generator |
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| CN204481654U (en) * | 2015-04-22 | 2015-07-15 | 大唐山东电力检修运营有限公司 | The relieving attachment of blower fan collector ring of generator |
| CN111293834A (en) * | 2020-03-16 | 2020-06-16 | 大唐陕西发电有限公司 | Installation device and installation method for collecting ring of generator of wind turbine generator |
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| CN216451260U (en) * | 2021-06-09 | 2022-05-06 | 河北新天科创新能源技术有限公司 | Installation device for collecting ring of generator of wind turbine generator |
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