CN208697326U - A kind of more changing device of the generator bearing applied to wind power generating set - Google Patents
A kind of more changing device of the generator bearing applied to wind power generating set Download PDFInfo
- Publication number
- CN208697326U CN208697326U CN201821108324.7U CN201821108324U CN208697326U CN 208697326 U CN208697326 U CN 208697326U CN 201821108324 U CN201821108324 U CN 201821108324U CN 208697326 U CN208697326 U CN 208697326U
- Authority
- CN
- China
- Prior art keywords
- pedestal
- bearing
- gripper
- wind power
- power generating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
Landscapes
- Wind Motors (AREA)
Abstract
The utility model discloses a kind of more changing devices of the generator bearing applied to wind power generating set, the wind power generating set includes motor, bearing is arranged on motor shaft, the bearing is dismantled with bearing replacing device, the bearing replacing device includes pedestal, it is fastened on motor shaft, provides support for hydraulic cylinder；Gripper is fixed with bearing；Hydraulic cylinder, one end are connected with gripper, and the other end is fixedly connected with pedestal, to drive gripper to move axially.The utility model can carry out the installing and dismounting of bearing, enable bearing uniform stressed, avoid bearing and axis from being damaged during installing and dismounting and galled spots, installing and dismounting is easy to operate, improves work efficiency.
Description
Technical field
The utility model belongs to machinery overhaul technical field, specifically, being related to a kind of applied to wind power generating set
Generator bearing more changing device.
Background technique
Axis and bearing are very widely used, and the parts such as bearing and outer wall are fitted close, due to mutual installation and
Dismantle it is relatively difficult, it is time-consuming and laborious, be also easy to part of damage.The motor bearings of existing generating set is adopted in installation or removal
With the mode of hand hammer impact bearing or by heating bearing, tight fit is changed into the installation side of loose fit using thermal expansion
Method not can guarantee bearing uniform stressed using hand hammer impact method, tilts bearing relative axle, causes bearing surface to damage, together
When be also to cause bearing stuck on motor shaft the main reason for, bearing performance due to overheat can be made by the way of heating bearing
Decline, service life greatly shorten.
Bearing replacing device is avoided that the above problem, but the bearing replacing device in existing technology is in disassembly motor master
When the devices such as axis, fixed clamping can not be realized with axis, offset is easy to happen when resulting in disassembly, causes the damage to axis or bearing
Evil.Not firm due to clamping, so that the process for axis of choosing is longer, and the operating space in generator is smaller, this is just influenced
The use of bearing replacing device.And due to the inconvenient property of existing bearing replacing device, under the overhaul efficiency for leading to blower
Drop, reduces the production efficiency of blower.
In view of this special to propose the utility model.
Utility model content
It is a kind of applied to wind-force hair the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide
The generator bearing of motor group more changing device, its object is to ensure that bearing is not damaged during bearing mounts and dismounts.
In order to solve the above technical problems, the basic idea of the utility model adopting the technical scheme is:
A kind of more changing device of the generator bearing applied to wind power generating set, the wind power generating set includes motor,
Bearing is arranged on motor shaft, the bearing is dismantled with bearing replacing device, it is characterised in that: the bearing replacing device
It including pedestal, is fastened on motor shaft, provides support for hydraulic cylinder；Gripper is fixed with bearing；Hydraulic cylinder, one end and machinery
Pawl is connected, and the other end is fixedly connected with pedestal, to drive gripper to move axially.
Further, multiple hydraulic cylinders, the cylinder barrel and pedestal of hydraulic cylinder are evenly arranged around base central axis on the pedestal
Axial restraint connection, the piston rod of hydraulic cylinder are fixedly connected with corresponding gripper, so that gripper generates axial phase with pedestal
To displacement.
Further, connected pipes on the hydraulic cylinder, oil pipe are connected on same ratio valve through oil path block, realize multiple liquid
Cylinder pressure synchronizes axial expanding-contracting action.
Further, the gripper is a rectangle column, corresponds to base central axis side and is equipped with a groove, groove
Open side is inserted into and is mutually limited with the two side walls of bearing and collar wall for bearing and contacts, the gripper and bearing touch
The hardness in face is less than the hardness of bearing internal external circle.
Further, the gripper and hydraulic cylinder respective side are equipped with connecting plate, and connecting plate is equipped with threaded hole, and gripper is logical
Bolt is crossed to be fixed on the piston rod of hydraulic cylinder across threaded hole.
Further, the gripper can produce the displacement relative to pedestal along hydraulic cylinder extension direction.
Further, the base central be equipped with through pedestal, for motor shaft axially across centre bore, the pedestal
The upper position corresponding to hydraulic cylinder is equipped with groove, and groove is extended radially to the periphery wall of pedestal by base central, in the groove
Claw is set, and claw is moved radially relative to pedestal.
Further, the pedestal is equipped with claw driving structure, to drive claw along the radial of pedestal while into pedestal
The heart is close or exits, and the cylinder barrel of the hydraulic cylinder is fixedly connected on corresponding claw.
Further, the periphery of the pedestal is equipped with two opposite connectors, and the connector is equipped with connecting hole.
Further, including the steel plate of motor shaft end is arranged in parallel, be mounted on relative to pedestal, the center of steel plate is equipped with cone
Shape pin can be equipped with identical connection with base joint corresponding position on the steel plate with the hole location fit of sealing of motor spindle end face
Part, steel plate upper connector are connect by fixing piece with pedestal.
The utility model has the advantages that compared with prior art.
1, the bearing replacing device setting gripper and hydraulic cylinder, during the installation and removal of bearing, gripper
Equidirectional power is applied to bearing simultaneously, makes bearing uniform stressed, stress is avoided to injure, provides power using hydraulic cylinder, it is ensured that
Speed and power are controllable in bearing relative axle moving process, avoid bearing and axis by non-homogeneous stress damage and mantle friction wound；
2, by the way that mobilizable claw is arranged on pedestal, pedestal is mutually fixedly clamped with motor shaft, so that bearing replacing
Fixable one end that axis is set of device, to realize fixed mobile device, it is therefore prevented that between bearing replacing device and axis
There is the effect of dropping situations, avoids the destruction to bearing；
3, in bearing removal, axial tension to generator side of the pedestal by hydraulic cylinder, bearing replacing device is equipped with
Steel plate, rectangular steel plates and pedestal link together, and avoid claw and not enough pedestal are caused to move forward the fastening force that axis applies；
4, the stability chosen is increased so that forced area of the bearing when choosing increases by above-mentioned apparatus, operated
Property it is stronger, pulling force is big, prevents to pull out the damage phenomenon during axis to bearing or axis.
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
Detailed description of the invention
The a part of attached drawing as the utility model, is further understood from the utility model for providing, this is practical
Novel illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.
Obviously, the accompanying drawings in the following description is only some embodiments, to those skilled in the art, is not paying creation
Property labour under the premise of, can also be obtained according to these attached drawings other accompanying drawings.In the accompanying drawings:
Fig. 1 is the utility model embodiment middle (center) bearing replacement schematic device；
Fig. 2 is Section A-A schematic diagram in this Fig. 1.
Main components illustrate in figure: 1, motor；2, motor shaft；3, bearing；4, pedestal；41, connector；42, claw；5,
Hydraulic cylinder；51, piston rod；52, cylinder barrel；53, oil pipe；6, gripper；61, connecting plate；62, threaded hole；7, steel plate；71, taper
Pin.
It should be noted that these attached drawings and verbal description are not intended to limit the design of the utility model in any way
Range, but illustrate the concept of the utility model for those skilled in the art by referring to specific embodiments.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
The technical solution in embodiment is clearly and completely described in attached drawing in type embodiment, and following embodiment is for illustrating this
Utility model, but be not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that term " on ", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describing the utility model and simplifying description, rather than the device or element of indication or suggestion meaning must have specific side
Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.
For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain
Justice.
As shown in Fig. 1 to 2, the utility model proposes a kind of generator bearings applied to wind power generating set more to change the outfit
It sets, the wind power generating set includes motor 1, and bearing 3 is arranged on motor shaft 2, and the bearing 3 is carried out with bearing replacing device
Disassembly, it is characterised in that: the bearing replacing device includes pedestal 4, is fastened on motor shaft 2, provides support for hydraulic cylinder 5；
Gripper 6, it is fixed with bearing 3；Hydraulic cylinder 5, one end are connected with gripper 6, and the other end is fixedly connected with pedestal 4, to drive
Gripper 6 moves axially.
In the present embodiment, the wind power generating set includes motor 1, is arranged with bearing 3 on motor shaft 2, in the bearing 3
Circle is fitted close with axis, and outer ring and bearing saddle bore are first bearing 3 to be set on axis with bearing replacing device, so compared with loose fit
Axis is packed into bearing saddle bore together with bearing 3 afterwards.
In the present embodiment, multiple hydraulic cylinders 5, the cylinder barrel of hydraulic cylinder are evenly arranged around 4 central axis of pedestal on the pedestal 4
52 connect with 4 axial restraint of pedestal, and the piston rod 51 of hydraulic cylinder 5 is fixedly connected with corresponding gripper 6 so that gripper 6 with
Pedestal 4 generates axially opposing displacement.
In the present embodiment, connected pipes 53 on the hydraulic cylinder 5, oil pipe 53 is connected to together through oil path block (not shown)
In one proportioning valve (not shown), that realizes multiple hydraulic cylinders 5 synchronizes axial expanding-contracting action.
In the present embodiment, the gripper 6 is a rectangle column, and it is recessed equipped with one to correspond to 4 central axis side of pedestal
Slot, slot opening side are inserted into and are mutually limited with the two side walls of bearing 3 and collar wall for bearing 3 and contact, the gripper 6
It is less than the hardness of 3 Internal and external cycle of bearing with the hardness of 3 contact surface of bearing；The gripper 6 is equipped with connecting plate with 5 respective side of hydraulic cylinder
61, connecting plate 61 is equipped with threaded hole 62, and gripper 6 passes through the piston rod 51 that threaded hole 62 is fixed on hydraulic cylinder 5 by bolt
On；The gripper 6 can produce the displacement relative to pedestal 4 along 5 telescopic direction of hydraulic cylinder.
In the present embodiment, 4 center of pedestal be equipped with through pedestal 4, for motor shaft 2 axially across centre bore,
It is equipped with groove corresponding to the position of hydraulic cylinder 5 on the pedestal 4, groove is radially extended to the periphery of pedestal 4 by pedestal 4
Wall, the groove is interior to be arranged claw 42, and claw 42 is moved radially relative to pedestal 4.
In the present embodiment, the pedestal 4 is equipped with 42 driving structure of claw, to drive claw 42 along the radial same of pedestal 4
When it is close to 4 center of pedestal or exit, the cylinder barrel 52 of the hydraulic cylinder 5 is fixedly connected on corresponding claw 42.
In the present embodiment, the periphery of the pedestal 4 is equipped with two opposite connectors 41, and the connector 41 is equipped with connection
Hole.
In the present embodiment, the steel plate 7 including 2 end of motor shaft is arranged in parallel, be mounted on relative to pedestal 4, in steel plate 7
The heart is equipped with cone pin 71, can with the hole location fit of 2 end face of motor shaft, on the steel plate 7 with 4 connector of pedestal, 41 corresponding position
Equipped with identical connector 41,7 upper connector 41 of steel plate is connect by fixing piece with pedestal 4.
Embodiment one
42 driving structure (not shown) of claw described in the present embodiment, the bevel pinion including spanner rotation can be used,
With the bevel gear wheel of bevel pinion engagement, bevel gear wheel and 42 respective side of claw are equipped with flat thread, to drive claw 42 along base
The radial direction of seat 4 is close to 4 center of pedestal simultaneously or exits, and the cylinder barrel 52 of the hydraulic cylinder 5 is fixedly connected on corresponding claw 42
On.
In the present embodiment, bevel pinion is rotated with spanner, bevel pinion drives bevel gear wheel rotation, the bevel gear wheel back side
Flat thread drives the centripetal movement of three-jaw, because the screw pitch of planar rectangular screw thread is equal, three 42 equal parts of claw are mounted on plane
On screw thread, so three-jaw move distance is equal, there is self centering effect.
Embodiment two
As shown in Figure 1, the periphery of pedestal 4 described in the present embodiment is equipped with two opposite connectors 41, the connector
41 are equipped with connecting hole, are arranged in parallel relative to pedestal 4, are equipped with steel plate 7 in 2 end of motor shaft, the center of steel plate 7 is equipped with taper
Pin 71 can be equipped with 4 connector of pedestal, 41 corresponding position on the steel plate 7 identical with the hole location fit of 2 end face of motor shaft
Connector 41,7 upper connector 41 of steel plate are connect by fixing piece with pedestal 4.
In the present embodiment, the connector 41 of pedestal 4 is fixed using the threaded hole of chain and generator end face fixing end lid,
When installing bearing 3, hydraulic cylinder 5 drives gripper 6 to when moving far from 4 direction of pedestal, and pedestal 4 is by axial thrust, by pedestal 4
It is fixed on motor body, prevents the fastening force applied when staff's installation pedestal 4 insufficient, cause the whole opposite main shaft of chuck
Axial movement.
In the present embodiment, the steel plate 7 is arranged in parallel relative to pedestal 4, is mounted on 2 end of motor shaft, dismantles in bearing 3
In the process, hydraulic cylinder 5 drives gripper 6 along 2 direction of motor shaft close to pedestal 4, and pedestal 4 is passed through steel plate 7 by axial tension
Chain is connected on pedestal 4, can provide a supplement pulling force along main shaft axially away from generator for pedestal 4.
The above is only the preferred embodiment of the utility model, not makees in any form to the utility model
Limitation, although the utility model has been disclosed with preferred embodiment as above, is not intended to limit the utility model, any to be familiar with
The technical staff of this patent is not departing within the scope of technical solutions of the utility model, when the technology contents work using above-mentioned prompt
A little equivalent embodiment changed or be modified to equivalent variations out, but all contents without departing from technical solutions of the utility model,
Any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still belong to
In the range of the utility model.
Claims (10)
1. a kind of more changing device of the generator bearing applied to wind power generating set, the wind power generating set includes motor, electricity
Bearing is arranged on arbor, the bearing is dismantled with bearing replacing device, it is characterised in that: the bearing replacing device packet
It includes
Pedestal is fastened on motor shaft, provides support for hydraulic cylinder；
Gripper is fixed with bearing；
Hydraulic cylinder, one end are connected with gripper, and the other end is fixedly connected with pedestal, to drive gripper to move axially.
2. a kind of more changing device of the generator bearing applied to wind power generating set according to claim 1, feature exist
In: multiple hydraulic cylinders are evenly arranged around base central axis on the pedestal, the cylinder barrel of hydraulic cylinder is connect with pedestal axial restraint,
The piston rod of hydraulic cylinder is fixedly connected with corresponding gripper, so that gripper and pedestal generate axially opposing displacement.
3. a kind of more changing device of the generator bearing applied to wind power generating set according to claim 1 or 2, feature
Be: connected pipes on the hydraulic cylinder, oil pipe are connected on same ratio valve through oil path block, realize the synchronization of multiple hydraulic cylinders
Axial stretching movement.
4. a kind of more changing device of the generator bearing applied to wind power generating set according to claim 2, feature exist
In: the gripper is a rectangle column, corresponds to base central axis side and is equipped with a groove, slot opening side is for axis
Socket joint, which enters and mutually limits with the two side walls of bearing and collar wall, to be contacted, and the hardness of the gripper and bearing contact surfaces is less than
The hardness of bearing internal external circle.
5. a kind of more changing device of the generator bearing applied to wind power generating set according to claim 4, feature exist
In: the gripper and hydraulic cylinder respective side are equipped with connecting plate, and connecting plate is equipped with threaded hole, and gripper passes through spiral shell by bolt
Pit is fixed on the piston rod of hydraulic cylinder.
6. a kind of more changing device of the generator bearing applied to wind power generating set according to claim 5, feature exist
In: the gripper can produce the displacement relative to pedestal along hydraulic cylinder extension direction.
7. a kind of more changing device of the generator bearing applied to wind power generating set according to claim 1, feature exist
In: the base central be equipped with it is through pedestal, for motor shaft axially across centre bore, correspond on the pedestal hydraulic
The position of cylinder is equipped with groove, and groove is extended radially to the periphery wall of pedestal by base central, claw, claw is arranged in the groove
It is moved radially relative to pedestal.
8. a kind of more changing device of the generator bearing applied to wind power generating set according to claim 7, feature exist
In: the pedestal is equipped with claw driving structure, to drive claw along the radial close to base central simultaneously of pedestal or exit,
The cylinder barrel of the hydraulic cylinder is fixedly connected on corresponding claw.
9. a kind of more changing device of the generator bearing applied to wind power generating set according to claim 8, feature exist
In: the periphery of the pedestal is equipped with two opposite connectors, and the connector is equipped with connecting hole.
10. a kind of more changing device of the generator bearing applied to wind power generating set according to claim 9, feature exist
In: the center of the steel plate including motor shaft end is arranged in parallel, be mounted on relative to pedestal, steel plate is equipped with cone pin, can be with electricity
The hole location fit of arbor end face is equipped with identical connector with base joint corresponding position on the steel plate, connects on steel plate
Fitting is connect by fixing piece with pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821108324.7U CN208697326U (en) | 2018-07-12 | 2018-07-12 | A kind of more changing device of the generator bearing applied to wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821108324.7U CN208697326U (en) | 2018-07-12 | 2018-07-12 | A kind of more changing device of the generator bearing applied to wind power generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208697326U true CN208697326U (en) | 2019-04-05 |
Family
ID=65938414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821108324.7U Expired - Fee Related CN208697326U (en) | 2018-07-12 | 2018-07-12 | A kind of more changing device of the generator bearing applied to wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208697326U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021093036A1 (en) * | 2019-11-14 | 2021-05-20 | 中车株洲电机有限公司 | Disassembly-free motor bearing disassembly and assembly method |
-
2018
- 2018-07-12 CN CN201821108324.7U patent/CN208697326U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021093036A1 (en) * | 2019-11-14 | 2021-05-20 | 中车株洲电机有限公司 | Disassembly-free motor bearing disassembly and assembly method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202468628U (en) | Self-balancing large-diameter bolt and special motorized torque wrench device for same | |
| CN104074738B (en) | Plunger pump and plunger motor and closing-in-prevention forward-packet plunger sliding boot assembly thereof | |
| CN108972446B (en) | Machine for replacing cap in front and back | |
| CN208697326U (en) | A kind of more changing device of the generator bearing applied to wind power generating set | |
| CN102303258A (en) | Eccentric clamp of crank shaft | |
| CN201020624Y (en) | Deep hole boring positioning and clamping apparatus | |
| CN101786225B (en) | Bearing dismounting tool | |
| CN108527246B (en) | Coupler dismounting device and application method thereof | |
| CN104551620B (en) | Rapid disassembling and assembling device for gear shaft system | |
| CN202180368U (en) | Eccentric fixture of bent axle | |
| CN206544143U (en) | Ring flange provision for disengagement | |
| CN102937148A (en) | Tensioning connection sleeve for rod shearing machine | |
| CN204053850U (en) | A kind of clamping tubing or bar rotating shaft | |
| CN201493348U (en) | Coiler drum and coiler using therewith | |
| CN115780834B (en) | Turbine shaft turning method of turbocharger | |
| CN207289567U (en) | A kind of hot post-processing recessing fixture of high-precise synchronization device gear ring | |
| CN207087751U (en) | Spline connecting shaft disassembling fixture | |
| CN107052769B (en) | Locking device of rotating assembly | |
| CN219379751U (en) | Turbine shaft turning clamp of turbocharger | |
| CN206571769U (en) | A kind of aluminium sheet cutting machine cylinder | |
| CN205200968U (en) | Frock is dismantled to planet wheel bearing | |
| CN210790822U (en) | Automatic centering type cylinder sleeve dismounting and hoisting tool | |
| CN212919197U (en) | Device for dismounting shaft sleeve of torque converter of internal combustion locomotive | |
| CN205043707U (en) | Hollow shaft abrasive machining frock dismounting device | |
| CN220241333U (en) | Disassembling tool for grinding head motor bearing of barreling all-in-one machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |