CN216451260U - Installation device for collecting ring of generator of wind turbine generator - Google Patents

Abstract

The utility model provides a collecting ring mounting device of a generator of a wind turbine generator, which is convenient to assemble and disassemble and simple in structure, and comprises a centering device, a sheath, a push-off device, a handle, a collecting ring and a generator shaft, wherein one end of the sheath is rotationally connected to the centering device; the centering device is provided with a through hole; the sheath is sleeved on the collecting ring; the centering device and the sheath are coaxial; 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 and the sheath are coaxial; the centering device is sleeved on the generator shaft. The utility model reduces the operation time and improves the working efficiency.

Description

Installation device for collecting ring of generator of wind turbine generator

Technical Field

The utility model belongs to the technical field of auxiliary tools for mounting generators of wind turbine generators, and particularly relates to a collector ring mounting device for a generator of a wind turbine generator.

Background

The quality of a generator in a wind generating set is closely related to the assembly of accessories of the generator, two copper slip rings named as collecting rings are arranged in a commutator of the generator, a rotor of the generator is a steel shaft with rolled threads, errors exist in the outer diameter of the shaft and the inner diameter of the collecting rings in the production process, the collecting rings are damaged due to large interference of the press-fitting size, and looseness is caused due to small interference. In the process of pressing the collecting ring, the collecting ring cannot be accurately installed on a generator shaft due to unbalanced pressure, and assembling stagnation or other forces are caused.

Most parts such as collecting rings in the wind turbine generator system need to be replaced regularly, and when the collecting rings are replaced and installed, the collecting rings are difficult to install and are difficult to install due to the influence of the space of the wind turbine, and people take trouble and labor and are easy to damage. The daily collecting ring of dismantling does not have professional device, dismantles the difficulty, seriously influences work efficiency.

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, bring the collecting ring into the generator shaft through the screw thread on, such connected mode, push the collecting ring into power and all act on the generator shaft, the fixed stress point of collecting ring concentrates on the epaxial set screw department of generator, because the generator of wind turbine generator system and collecting ring appearance are big, after using a period, make screw rod and the epaxial screw thread of generator destroy easily, cause the collecting ring to fix unstably, and do not repair well after the epaxial screw hole of generator destroys. In addition, three stress points are adopted for installation, the collecting ring is easy to deflect due to overlarge stress on one side in the installation process, after deflection, the collecting ring is more difficult to install, meanwhile, the position of a bolt is inconvenient to observe, and the adjustment is inconvenient.

In the prior art, the mode that mostly adopts the frock to push is impressed the collecting ring on the generator shaft, can't reuse this type of frock when dismantling the collecting ring for the rate of utilization of frock is low, and because be interference fit between collecting ring hole and the generator shaft, dismantlement work is more difficult than assembly work, can damage the collecting ring sometimes, causes the waste of work piece material.

The existing tool for assembling the collecting ring does not protect the collecting ring, and the collecting ring is easily collided or damaged during the process of assembling the collecting ring due to the narrow disassembly space in the wind turbine generator, so that the protection is not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a collecting ring mounting device of a generator of a wind generating set, which is convenient to assemble and disassemble and has a simple structure, so as to solve the defects in the background technology;

the second purpose of the present invention is to provide a method for using the above installation device for collector rings of a generator of a wind turbine generator, in order to achieve the above purpose, the technical solution provided by the present invention is: a collecting ring mounting device of a generator of a wind turbine generator comprises a centering device, a sheath, a push-off device, a handle, a collecting ring and a generator shaft, wherein one end of the sheath is rotatably connected to the centering device, the push-off device is arranged on one side of the sheath, the handle is fixedly connected to the push-off device, the collecting ring is arranged on the axis of the centering device, and the generator shaft is coaxially arranged with the collecting ring;

the centering device is provided with a through hole;

the sheath is sleeved on the collecting ring;

the centering device and the sheath are coaxial;

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 and the sheath are coaxial;

the centering device is sleeved on the generator shaft.

Further:

the centering device comprises a centering bottom plate, a first bracket fixedly connected to the sheath, a first bevel gear motor rotatably connected to the first bracket, and a first bevel gear fixedly connected to an output shaft of the first bevel gear motor;

the left end face of the centering bottom plate is provided with a first plane thread, the right end face of the centering bottom plate is provided with a first annular tooth matched with the tooth part of the first bevel gear, and the first annular tooth is in meshing transmission with the first bevel gear;

a centering moving 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 movable blocks is three;

the three centering moving blocks are distributed along the center circumference of the centering bottom plate;

the centering moving block is in threaded sliding connection with the first plane;

the fixed shaft is concentric with the centering base plate.

Further:

the supporting movable block is provided with a centering movable block thread matched with the first plane thread;

the cross section of the first plane thread is T-shaped;

an inverted T-shaped groove matched with the first plane thread is formed in one side of the centering moving block thread;

the first plane thread has the same thread pitch as the thread pitch of the centering moving block.

Further:

the supporting device comprises a supporting bottom plate, a fixed shaft penetrating through the axis of the supporting bottom plate, a second bracket fixedly connected to the fixed shaft, a second bevel gear motor fixedly connected to the second bracket, and a second bevel gear fixedly connected to an output shaft of the second bevel gear motor;

a second plane thread is arranged on the left end face of the support bottom plate, a second annular tooth matched with the tooth part of the second bevel gear is arranged on the right end face of the support bottom plate, and the second annular tooth is in meshing transmission with the second bevel gear;

a supporting movable block is arranged at the left end of the supporting bottom plate;

the second plane thread is a protrusion spirally arranged from the axis of the supporting bottom plate to the outer circumference;

the number of the supporting movable blocks is three;

the three supporting movable blocks are distributed along the central circumference of the supporting bottom plate;

the supporting movable block is in threaded sliding connection with the second plane;

the supporting bottom plate is rotatably sleeved on the fixed shaft.

Further:

the supporting moving block is provided with a supporting moving block thread matched with the second plane thread;

the section of the second plane thread is T-shaped;

an inverted T-shaped groove matched with the second plane thread is formed in one side of the supporting moving block thread;

the second plane thread has the same thread pitch as the thread pitch of the support moving block.

Further:

the pushing and unloading device comprises a top shaft and a push plate fixedly arranged on the right side of the top shaft;

the jacking shafts are uniformly distributed on one end face of the push plate;

a handle is arranged on the other end face of the push plate;

the handle is arranged in the center of the push plate;

the top shaft transversely penetrates through the sheath.

Further:

an angular thrust ball bearing is arranged between the support bottom plate and the fixed shaft;

angular thrust ball bearings are respectively arranged at two ends of the supporting base plate;

the angular thrust ball bearings at the two ends are provided with check rings;

a shaft groove matched with the retainer ring is formed in the fixed shaft;

the supporting bottom plate is provided with a hole groove matched with the retainer ring;

the retainer ring is arranged between the shaft groove and the hole groove.

Further:

one end of the centering movable block, which is close to the fixed shaft, is provided with a centering arc surface with the same outer diameter as the fixed shaft;

the centering arc surface is provided with a steel ball hole;

a steel ball is arranged in the steel ball hole;

the steel ball does not fall off the centering arc surface.

Further:

one end of the supporting movable block principle fixing shaft is provided with a supporting arc matched with the inner hole of the current collecting ring;

the arc length of the supporting arc is less than one fourth of the diameter of the collecting ring.

The application method of the collecting ring installation device of the generator of the wind generating set comprises the following implementation steps:

the method comprises the following steps: fixedly connecting a fixed shaft in the supporting device with the generator shaft; connecting a push-off device with the fixed shaft;

step two: connecting the centering device with the sheath, placing the collecting ring in the sheath, and sleeving the collecting ring in the fixed shaft;

step three: starting the first bevel gear motor, and locking the outer circumference of the generator shaft by the centering movable block;

step four: 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 push the collector ring into the generator shaft completely;

step six: starting a second bevel gear motor reversely, and enabling the support movable block to contract towards the center of the support bottom plate and separate from the inner hole of the collecting ring;

step seven: starting the first bevel gear motor reversely, wherein the centering movable block expands towards the center far away from the generator shaft and is separated from the outer circumference of the generator shaft;

step eight: the collector ring installation device of the generator of the wind generating set is pulled out to be separated from the installed collector ring.

Compared with the prior art, has the beneficial effects

1. The device is concentric with the axis of the generator shaft by adopting the centering device, the supporting device for supporting the collecting ring in the device is concentric with the axis of the generator shaft, and the collecting ring and the generator shaft are concentric with high precision by mechanical centering of the three centering movable blocks and mechanical centering of the three supporting movable blocks, so that the device is convenient to install and reduces the difficulty in assembly caused by eccentricity of the generator shaft and the inner hole of the collecting ring in the installation process. The difficulty in assembling in interference fit is avoided, repeated centering work of assembling, loading and pulling out caused by inaccurate centering in the assembling process is avoided, the operation time is shortened, and the work efficiency is improved.

2. The utility model adopts the supporting movable block in the supporting device and also adopts a three-point supporting method, so that the inner hole of the collecting ring is outwards expanded along the axis concentric with the generator, the interference magnitude is generally several silks in the interference fit between the shaft and the hole, and the supporting device expands the inner hole of the collecting ring, so that the collecting ring can be smoothly installed in the generator shaft.

3. The utility model adopts a screw thread progressive structure, when a handle is rotated, the support device for supporting the inner hole of the collecting ring rotates and simultaneously has linear feeding motion, the structure simulates the action of human tooling timing, the clamping stagnation can be avoided, the assembly process is smoother, and the assembly efficiency is improved.

4. The sheath is adopted to connect the supporting device and the centering device, the outer circle of the collecting ring is made of non-metal materials, the collision can affect the functional effect of the collecting ring in the assembling process, and the collecting ring is placed in the sheath, so that the collecting ring can be protected from collision and can also play a role in connection.

5. According to the utility model, the locking and releasing actions of the centering device and the supporting device are controlled by using the opening and closing of the motor, so that manual operation in a narrow wind turbine generator is avoided, the manual work task is reduced, and the assembly efficiency is improved.

6. The utility model can be used as a device for assembling the collecting ring on the generator shaft and disassembling the collecting ring from the generator shaft, integrates the assembling and disassembling functions, reduces the multiple tool tools brought by the diversification of the assembling and maintaining device, does not need to replace and carry various tool equipment, and is suitable for the generator installation and maintenance work of an outdoor wind turbine generator.

7. The mechanical structure of the utility model is designed according to the size of the collector ring, the assembling or disassembling steps are simple, and the operation is easy to be mastered by operators.

Drawings

FIG. 1 is a schematic sectional view of embodiment 1 of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a left side view schematic of the present invention;

FIG. 4 is a schematic structural view of a centering device of the present invention;

FIG. 5 is a schematic front view of the supporting device of the present invention;

FIG. 6 is a left side view of the support device of the present invention;

fig. 7 is a schematic view on a cross-sectional view of embodiment 2 of the present invention.

Wherein, 1 a centering device; 11 centering the bottom plate; 12 a first planar thread; 13 a first annular tooth; 14 a first bevel gear motor; 15 a first bevel gear; 16 centering the movable block; 161 centering moving block thread; 162 centering the arc surface; 163 steel balls; 17 a first bracket; 2, sheathing; 3 supporting the device; 31 supporting the base plate; 32 second planar threads; 33 a second ring-shaped tooth; 34 a second bevel gear motor; 35 a second bracket; 36 a second bevel gear; 37 fixing the shaft; 38 supporting the moving block; a 39-degree thrust ball bearing; 310, a retainer ring; 311 supporting the arc; 312 connecting the shafts; 4, a pushing device is disassembled; 41 a top shaft; 42 a push plate; 43 a handle; a cylinder 44; 5 a generator shaft; 6 collector rings.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

It is to be understood that the terms "length," "width," "upper," "lower," "left," "right," and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings for convenience in describing the present invention and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as illustrative of the present invention.

As shown in fig. 1, 2 and 3, a collector ring installation device of a generator of a wind generating set comprises 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, and a handle 43 fixedly connected to the push-off device 4; a collector ring 6 arranged at the axis of the centering device 1 and a generator shaft 5 arranged coaxially with the collector ring 6; 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 penetrates through the sheath 2 and is connected with the sheath 2 in a sliding way; the supporting device 3 is in threaded connection with the pushing and unloading device 4; the supporting device 3 and the sheath 2 are coaxial; the centering device 1 is sleeved on the generator shaft 5.

A generator shaft 5 is locked by a centering device 1, the installation device is concentric with the generator shaft 5, the centering device 1 is concentric with a sheath 2 and concentric with a supporting device 3 concentric with the sheath 2, the supporting device 3 penetrates through the sheath to support an inner hole of a collecting ring 6, and the collecting ring 6 is pushed by a push-off device 4 to be installed on the generator shaft 5. The collecting ring 6 is pulled out of one end of the generator shaft 5 by the centering device 1 and the push-off device 4, and the supporting device 3 props off an 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, and the first annular tooth 13 is in meshing transmission with the first bevel gear 15; a centering moving block 16 is arranged at the left end of the centering bottom plate 11; the first plane thread 12 is a protrusion spirally arranged from the axis of the centering bottom plate 11 to the outer circumference; the number of the centering moving blocks 16 is three; the three centering moving blocks 16 are distributed along the central circumference of the centering bottom plate 11; the centering dog 16 is slidably connected with the first plane thread 12.

The centering moving block 16 is provided with a centering moving block thread 161 matched with the first plane thread 12; the cross section of the first plane thread 12 is T-shaped; an inverted T-shaped groove matched with the first plane thread 12 is formed in one side of the centering moving block thread 161; the first plane thread 12 and the centering dog thread 161 have the same pitch.

The working process is as follows: when the first bevel gear motor 14 is started, the first bevel gear motor 14 drives the first bevel gear 15 to rotate, the first bevel gear 15 drives the centering bottom plate 11 to rotate, the first plane thread 12 arranged on the left end face rotates along with the centering bottom plate 11, and relative motion is generated between the first plane thread 12 and the centering moving block thread 161, so that the three centering moving blocks 16 are locked on the generator shaft 5, and the mounting device is centered.

As shown in fig. 5 and 6, the supporting device 3 includes 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 the output shaft of the second bevel gear motor 34; the left end face of the support bottom plate 31 is provided with a second plane thread 32, the right end face of the support bottom plate 31 is provided with a second annular tooth 33 matched with the tooth part of the second bevel gear 36, and the second annular tooth 33 is in meshing transmission with the second bevel gear 36; the left end of the supporting bottom plate 31 is provided with a supporting movable block 38; the second plane thread 32 is a protrusion spirally arranged from the axis of the support base plate 31 to the outer circumference; the number of the supporting movable blocks 38 is three; the three supporting moving blocks 38 are distributed along the central circumference of the supporting bottom plate 31; the supporting moving 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 supporting moving block 38 is provided with a supporting moving block thread matched with the second plane thread 32; the section of the second plane thread 32 is T-shaped; and an inverted T-shaped groove matched with the second plane thread 32 is formed in one side of the supporting moving block thread. The fixed shaft 37 is concentric with the centering bottom plate 11. The working process of the centering device is the same as that of the centering device 1, and the axis of the inner hole of the collecting ring is concentric with the axis of the generator shaft through the three supporting movable blocks.

As shown in fig. 2, 3, 4 and 5, the push-off device 4 includes a top shaft 41 and a push plate 42 fixedly disposed on the right side of the top shaft 41; the top shafts 41 are uniformly distributed on one end surface of the push plate 42; the other end surface of the push plate 42 is provided with a handle 43; the handle 43 is arranged in the center of the push plate 42; the top shaft 41 extends transversely through the sheath 2.

The working process is as follows: the manual remote control handle 43 rotates the push plate 42, the push plate 42 drives the sheath 2 to rotate, the fixed shaft 37 is fixedly connected with the generator shaft 5, 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 spirally pushed forward, the pushing distance of one turn is the screw pitch on the fixed shaft 37, and the top shafts 41 welded on the push plate 42 are fixedly welded, three in the embodiment and multiple in other embodiments, so as to increase the action surface for pushing the collector ring 6, so that the collector ring 6 is uniformly stressed when pushed forward, and the condition of one side inclination cannot be generated. The three top shafts 41 act on the end faces of the slip rings 6, so that the slip rings 6 are sleeved on the generator shaft 5.

An angular thrust ball bearing 39 is arranged between the support base plate 31 and the fixed shaft 37; angular thrust ball bearings 39 are respectively arranged at two ends of the supporting bottom plate 31; the angular thrust ball bearings 39 at both ends are provided with retainer rings 310; a shaft groove matched with the retainer ring is arranged on the fixed part 37; the supporting bottom plate 31 is provided with a hole groove matched with the retainer ring; the retainer ring 310 is disposed between the shaft groove and the bore groove.

One end of the centering movable block 16 close to the generator shaft 5 is provided with a centering circular arc surface 162 with the same outer diameter as that of the fixed shaft 37; a steel ball hole is formed in the centering arc surface 162; a steel ball 163 is arranged in the steel ball hole; the steel ball 163 does not come off the centering arc surface 162. One end of the supporting movable block 38, which is far away from the fixed shaft 37, is provided with a supporting arc 311 matched with the inner hole of the collecting ring 6; the supporting arc 311 is fixedly connected with the supporting moving block 38.

One end of the supporting movable block 38, which is far away from the fixed shaft 37, is provided with a supporting arc 311 matched with the inner hole of the collecting ring 6;

the arc length of the support arc 311 is less than one quarter of the diameter of the slip ring 6.

The mounting device for the collector ring of the generator of the wind generating set comprises the following working steps:

step of installing slip rings 6 into the generator shaft 5:

the method comprises the following steps: fixedly connecting a fixed shaft 37 in the support device 3 with the generator shaft 5; the push plate 42 in the push-off device 4 is connected with the fixed shaft 37 through screw threads;

step two: connecting the centering device 1 with the sheath 2 through an angular thrust ball bearing, placing the collecting ring 6 into the sheath 2, and sleeving an inner hole of the collecting ring 6 on the fixed shaft 37 and the supporting bottom plate 31 of the supporting device 3;

step three: starting the first bevel gear motor 14, rotating the first bevel gear 15 to drive the centering bottom plate 11 to rotate, and enabling the centering moving block 16 to lock the outer circumference of the generator shaft 5 through the sliding of the first plane thread 16 and the centering moving block thread 161;

step four: starting a second bevel gear motor 34, rotating a second bevel gear 36 to drive a support bottom plate 31 to rotate, and enabling a support movable block 38 to lock an inner hole of the collecting ring 6 through the threaded sliding of a second plane thread 32 and the support movable block;

step five: a rocking handle 43 which is in threaded transmission with the push plate 41 through the fixed shaft 37, rotates and feeds the collecting ring 6 to the generator shaft 5, and continuously rocks the handle 43 after the left end surface of the support bottom plate 31 is contacted with the generator shaft 5, so that the collecting ring 6 is completely pushed into the generator shaft 5;

step six: the second bevel gear motor 34 is started reversely, the supporting movable block 38 contracts towards the center of the supporting bottom plate 31 and is separated from the inner hole of the collecting ring 6;

step seven: starting the first bevel gear motor 14 in reverse, the centering dog 16 expanding away from the center of the generator shaft 5 and disengaging from the outer circumference of the generator shaft 5; so that the centering bottom plate 11 and the centering moving block 16 can be completely separated from the outer circle of the collector ring 6;

step eight: the collecting ring installation device of the generator of the wind generating set is pulled out and separated from the installed collecting ring 7;

step nine: the fixed shaft 37 and the pushing device 4 are removed.

Step of detaching the slip ring 6 from the generator shaft 5:

the method comprises the following steps: fixedly connecting a fixed shaft 37 in the support device 3 with the generator shaft 5; the push plate 42 in the push-off device 4 is connected with the fixed shaft 37 through screw threads;

step two: starting the first bevel gear motor 14, rotating the first bevel gear 15 to drive the centering bottom plate 11 to rotate, and enabling the centering moving block 16 to lock the outer circumference of the generator shaft 5 through the sliding of the first plane thread 16 and the centering moving block thread 161;

step three: the handle 43 is shaken reversely, the fixed shaft 37 and the push plate 41 are in threaded transmission, so that the centering moving block 16 is in contact with the end face of the collecting ring 6, the collecting ring 6 is pulled out, and when the collecting ring 6 is pulled out for a certain distance, the collecting ring reaches the supporting bottom plate 31;

fourthly, starting a second bevel gear motor 34, rotating a second bevel gear 36 to drive a support bottom plate 31 to rotate, and enabling a support movable block 38 to lock an inner hole of the collecting ring 6 through the threaded sliding of a second plane thread 32 and the support movable block; the rest collector ring 6 is convenient to be separated from the generator shaft 5;

step five: when the collecting ring 6 is completely separated from the generator shaft 5, the second bevel gear motor 34 is started reversely, and the supporting movable block 38 contracts towards the center of the supporting bottom plate 31 and is separated from the inner hole of the collecting ring 6;

step six: starting the first bevel gear motor 14 in reverse, the centering dog 16 expanding away from the center of the generator shaft 5 and disengaging from the outer circumference of the generator shaft 5;

step seven: taking out the collecting ring 6 from the jacket 2;

step eight: the fixed shaft 37 and the pushing device 4 are removed.

Example 2

As shown in fig. 7, a collector ring installation device of a generator of a wind generating set comprises a centering device 1, a sheath 2 fixedly connected to the centering device 1, a push-off device 4 fixedly connected to one side of the sheath 2, and a cylinder 44 fixedly connected to the push-off device 4; 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 to a bracket provided on a generator base,

the supporting device 3 and the sheath 2 are coaxial; the centering device 1 is sleeved on the generator shaft 5.

Unlike embodiment 1, the handle 43 is eliminated, the fixed shaft 37 is eliminated, the support device 3 is fixed to the jacket 2 via the connecting shaft 312, the cylinder 44 is actuated to push the slip ring 6 onto the generator shaft 5 after the centering of the centering device 1, and a portion that has not been completely fitted into the generator shaft 5 is continuously pushed in by the cylinder 44 when the end face of the support device 3 comes into contact with the generator shaft.

While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various modifications, changes, substitutions and alterations may be made thereto without departing from the principles of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims (9)

1. The utility model provides a wind turbine generator electricity generator collecting ring installation device which characterized in that: the device comprises 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), a collecting ring (6) arranged on the axis of the centering device (1) and a generator shaft (5) coaxially arranged with the collecting ring (6);

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) penetrates through the sheath (2) and is connected with the sheath (2) in a sliding way;

the supporting device (3) is in threaded connection with the pushing-unloading device (4);

the supporting device (3) and the sheath (2) are coaxial;

the centering device (1) is sleeved on the generator shaft (5).

2. The wind turbine generator collector ring mounting device according to claim 1, characterized in that:

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);

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), and the first annular tooth (13) is in meshing transmission with the first bevel gear (15);

a centering moving block (16) is arranged at the left end of the centering bottom plate (11);

the first plane thread (12) is a protrusion spirally arranged from the axis of the centering bottom plate (11) to the outer circumference;

the number of the centering moving blocks (16) is three;

the three centering moving blocks (16) are distributed along the center circumference of the centering bottom plate (11);

the centering moving block (16) is in sliding connection with the first plane thread (12).

3. The wind turbine generator collector ring mounting device according to claim 2, characterized in that:

the centering moving block (16) is provided with a centering moving block thread (161) matched with the first plane thread (12);

the cross section of the first plane thread (12) is T-shaped;

an inverted T-shaped groove matched with the first plane thread (12) is formed in one side of the centering moving block thread (161);

the first plane thread (12) and the centering moving block thread (161) have the same thread pitch.

4. The wind turbine generator collector ring mounting device according to claim 2, characterized in that: 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);

a second plane thread (32) is arranged on the left end face of the support bottom 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 support bottom plate (31), and the second annular tooth (33) is in meshing transmission with the second bevel gear (36);

one end of the supporting bottom plate (31) is provided with a supporting movable block (38);

the second plane thread (32) is a protrusion spirally arranged from the axis of the supporting bottom plate (31) to the outer circumference;

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 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 bottom plate (11).

5. The wind turbine generator collector ring mounting device according to claim 4, characterized in that:

the supporting moving block (38) is provided with a supporting moving block thread matched with the second plane thread (32);

the section of the second plane thread (32) is T-shaped;

an inverted T-shaped groove matched with the second plane thread (32) is formed in one side of the supporting moving block thread;

the second plane thread (32) has the same thread pitch as the thread pitch of the support moving block.

6. The wind turbine generator collector ring mounting device according to claim 1, characterized in that:

the push-unloading device (4) comprises a top shaft (41) and a push plate (42) fixedly arranged on the right side of the top shaft (41);

the jacking shafts (41) are uniformly distributed on one end face of the push plate (42);

the other end surface of the push plate (42) is provided with a handle (43);

the handle (43) is far away from the axial center of the push plate (42);

the top shaft (41) transversely penetrates through the sheath (2).

7. The wind turbine generator collector ring mounting device according to claim 4, wherein:

an angular thrust ball bearing (39) is arranged between the support bottom plate (31) and the fixed shaft (37);

the angular thrust ball bearings (39) at the two ends are provided with retainer rings (310);

a shaft groove matched with the retainer ring is formed in the fixed shaft (37);

the supporting bottom plate (31) is provided with a hole groove matched with the retainer ring;

the retainer ring (310) is disposed between the shaft groove and the bore groove.

8. The wind turbine generator collector ring mounting device according to claim 4, wherein:

one end of the centering moving block (16) close to the fixed shaft (37) is provided with a centering circular arc surface (162) with the same outer diameter as that of the fixed shaft (37);

a steel ball hole is formed in the centering arc surface (162);

a steel ball (163) is arranged in the steel ball hole;

the steel ball (163) does not come off the centering arc surface (162).

9. The wind turbine generator collector ring mounting device according to claim 4, wherein:

one end of the supporting movable block (38) far away from the fixed shaft (37) is provided with a supporting arc (311) matched with the inner hole of the collecting ring (6);

the supporting arc (311) is fixedly connected with the supporting movable block (38).

Images