CN204339261U - Main shaft and gear case centering device - Google Patents
Main shaft and gear case centering device Download PDFInfo
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- CN204339261U CN204339261U CN201420758167.XU CN201420758167U CN204339261U CN 204339261 U CN204339261 U CN 204339261U CN 201420758167 U CN201420758167 U CN 201420758167U CN 204339261 U CN204339261 U CN 204339261U
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- main shaft
- bearing support
- vertical
- centering device
- gear case
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Abstract
Main shaft provided by the utility model and gear case centering device, comprise main shaft supporting frame and gear-box bearing support, and main shaft supporting frame comprises the base plate and the secondary bearing support be arranged on base plate and main bearing support that are positioned at bottom, and the two axially front and back along main shaft is arranged; Base plate is provided with the axial moving mechanism making its movement vertically; Secondary bearing support and main bearing support are respectively arranged with and make the vertical travel mechanism of its vertically movement and the side movement mechanism making it along the direction movement vertical in the horizontal plane with main shaft; Main shaft supporting frame is also provided with and moves vertically it, is displaced sideways with along with main shaft is vertical in the horizontal plane the servomechanism providing power-assisted along vertically mobile.This device can realize the adjustment that main shaft has at least five frees degree, also be provided with and the servomechanism providing power-assisted is moved to all directions, solve manpower precision when the mechanism that adjustment weight is large and be difficult to the problem ensured, improve the accuracy of alignment of main shaft and gear-box significantly.
Description
Technical field
The utility model relates to wind-driven generator assembling field, more particularly, relates to a kind of main shaft and gear case centering device.
Background technology
Along with the development of China's economic construction, increasing to the demand of the energy, wind energy as a kind of new forms of energy, the more and more deep life affecting people.Wind power generating set is the important component part of wind power plant.
The main shaft of wind power generating set and the connection of gear box input adopt expansion sleeve to connect mostly, and in this connected mode, swelling trepanning coordinates often for H/g level coordinates with main shaft, and this is the very little matched in clearance in a kind of gap.For the wind power generating set of 2MW and more than 2MW, main shaft certainly weigh tens tons, the weight of gear-box reaches more than 20 ton especially, and therefore, the assembling of wind driven generation set main shaft and gear-box expansion sleeve is comparatively difficult.
At present, wind power generating set general assembly factory is when large-scale wind driven generation set main shaft and gear-box assemble, all utilize two electric blocks on shop traveller, by electric block, main shaft being sling, by controlling the sling height of two electric blocks, main shaft being adjusted to level of approximation, then by driving, main shaft is slowly moved near gear-box expansion sleeve, measured by clearance gauge again or method that naked eyes judge, with mobile main shaft of driving a vehicle, while judge main shaft and gear-box whether centering.This assembling mode needs multi-person synergy, and likely when centering adjusts, the inwall of main-axis end scratch expansion sleeve, affect product assembly quality, and installation effectiveness is extremely low.
Also blower fan general assembly factory is had to adopt middle regulator at the main shaft of middle-size and small-size (below 750kw) generating set and gear-box fit on, due to flexibility and the property easy to control of manual mode operation, the parts assembling large to inertia, general centering adjustment all adopts manual mode to carry out.But along with Wind turbines power increases, main shaft and gear-box are conducted oneself with dignity more and more heavy, and during manual adjustments, the manual control power of needs far exceedes the accurate installation rotation force value of ergonomics recommendation, i.e. 23N to 40N, rotating maximum force value with hand and full arm is 80N to 100N.Adopt that accuracy of alignment is in this way wayward, poor stability, operator's labour intensity are large, assembly quality is vulnerable to impact, installation effectiveness is low.Wherein, accuracy of alignment low being especially difficult to solves.
Therefore, how improving the accuracy of alignment of main shaft and gear-box, is current those skilled in the art's problem demanding prompt solution.
Utility model content
In view of this, the utility model provides a kind of main shaft and gear case centering device, to realize the accuracy of alignment improving main shaft and gear-box.
In order to achieve the above object, the utility model provides following technical scheme:
A kind of main shaft and gear case centering device, comprise main shaft supporting frame and gear-box bearing support, and main shaft supporting frame comprises the base plate and the secondary bearing support be arranged on base plate and main bearing support that are positioned at bottom, and the two axially front and back along main shaft is arranged; Base plate is provided with the axial moving mechanism making its movement vertically; Secondary bearing support and main bearing support are respectively arranged with and make the vertical travel mechanism of its vertically movement and the side movement mechanism making it along the direction movement vertical in the horizontal plane with main shaft.Main shaft supporting frame is also provided with and moves vertically it, is displaced sideways with along with main shaft is vertical in the horizontal plane the servomechanism providing power-assisted along vertically mobile.
Preferably, in above-mentioned main shaft and gear case centering device, the bottom of base plate is provided with the first track arranged along the longitudinal direction, and axial moving mechanism is make base plate along the chain-drive mechanism of the first rail moving.
Preferably, in above-mentioned main shaft and gear case centering device, base plate is provided with the axial servomechanism to moving axially power-assisted, axial servomechanism is pneumatic mechanism or hydraulic mechanism.
Preferably, in above-mentioned main shaft and gear case centering device, secondary bearing support with main bearing support is provided with the second track arranged along the direction vertical in the horizontal plane with main shaft, side movement mechanism is make secondary bearing support and main bearing support along the self-lock mechanism of the second rail moving.
Preferably, in above-mentioned main shaft and gear case centering device, main bearing support and secondary bearing support are provided with the side direction servomechanism to being displaced sideways power-assisted, and side direction servomechanism is pneumatic mechanism or hydraulic mechanism.
Preferably, in above-mentioned main shaft and gear case centering device, vertical travel mechanism is self-lock and incline configuration mechanism, it comprise two by being oppositely arranged of supporting and oblique prone ramp, two to play a supportive role and the lower inclined plane coordinated with ramp respectively and level screw in the leading screw of lower inclined plane sidewall.
Preferably, in above-mentioned main shaft and gear case centering device, main bearing support and secondary bearing support are provided with vertical servomechanism vertical direction being moved to power-assisted, and vertical servomechanism is spring mechanism, pneumatic mechanism or hydraulic mechanism.
Preferably, in above-mentioned main shaft and gear case centering device, secondary bearing support comprises and is arranged at the V-shaped of its top and the bracket of top band roller and be arranged at the secondary bearing support guiding mechanism of bracket bottom.
Preferably, in above-mentioned main shaft and gear case centering device, secondary bearing support also comprise be arranged between bracket and secondary bearing support guiding mechanism, can make bracket horizontal plane rotate rotationally supported.
Main shaft provided by the utility model and gear case centering device, comprise main shaft supporting frame and gear-box bearing support, and main shaft supporting frame comprises the base plate and the secondary bearing support be arranged on base plate and main bearing support that are positioned at bottom, and the two axially front and back along main shaft is arranged; Base plate is provided with the axial moving mechanism making its movement vertically; Secondary bearing support and main bearing support are respectively arranged with and make the vertical travel mechanism of its vertically movement and the side movement mechanism making it along the direction movement vertical in the horizontal plane with main shaft; Main shaft supporting frame is also provided with and moves vertically it, is displaced sideways with along with main shaft is vertical in the horizontal plane the servomechanism providing power-assisted along vertically mobile.Main shaft supporting frame is used for supports main shaft, gear-box bearing support is used for support teeth roller box, main shaft supporting frame comprises base plate, secondary bearing support and main bearing support three part, base plate can move by fore-and-aft direction, main bearing support and secondary bearing support all can move up and down and be displaced sideways, and achieve three translational degree of freedom of main shaft; Main bearing support and secondary bearing support all can realize dislocation when moving up and down and be displaced sideways mobile, realize two rotational freedoms of main shaft; This device can realize making main shaft have at least five frees degree, ensure that its flexibility adjusted.Owing to being also provided with, the servomechanism providing power-assisted is moved to all directions, solve manpower precision when the mechanism that adjustment weight is large and be difficult to the problem ensured, improve the accuracy of alignment of main shaft and gear-box significantly.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of main shaft provided by the utility model and gear case centering device;
Fig. 2 is main shaft provided by the utility model and gear case centering device working state schematic representation;
Fig. 3 is the secondary branching bolster structure schematic diagram of main shaft provided by the utility model and gear case centering device;
Fig. 4 is the main branching bolster structure schematic diagram of main shaft provided by the utility model and gear case centering device;
Fig. 5 is the power-assisted guiding mechanism structural representation of main shaft provided by the utility model and gear case centering device;
In upper figure: 1 is gear-box bearing support, 2 is secondary bearing support, 21 is the vertical travel mechanism of axis, 22 is bracket, 23 is rotationally supported, 24 is air assisted system, 25 is the vertical mobile line slideway of axis, 26 is self-lock and incline configuration mechanism, 3 is main bearing support, 31 is spindle bearing holder fixed mount, 32 is the vertical travel mechanism of axis, 33 is air assisted system, 34 is the vertical mobile line slideway of axis, 35 is spiral and incline configuration mechanism, 4 is power-assisted guiding mechanism, 41 is splicing sleeve, 42 is guide pillar, 43 is disk spring, 44 is adjusting nut, 45 is guide pin bushing, 5 move axially air assisted system for main shaft, 6 is main shaft axial moving mechanism, 61 is line slideway, 62 is Chain conveyer, 63 is man-operated mechanism, 7 is base plate, 8 is gear-box, 9 is expansion sleeve, 10 is main shaft.
Detailed description of the invention
The utility model provides a kind of main shaft and gear case centering device, improves the accuracy of alignment of main shaft and gear-box.
Below in conjunction with the accompanying drawing in the utility model embodiment, carry out clear, complete description to the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the structural representation of main shaft provided by the utility model and gear case centering device; Fig. 2 is main shaft provided by the utility model and gear case centering device working state schematic representation; Fig. 3 is the secondary branching bolster structure schematic diagram of main shaft provided by the utility model and gear case centering device; Fig. 4 is the main branching bolster structure schematic diagram of main shaft provided by the utility model and gear case centering device; Fig. 5 is the vertical servomechanism structural representation of main shaft provided by the utility model and gear case centering device.
The main shaft that the utility model provides and gear case centering device, comprise main shaft supporting frame, gear-box bearing support 1, main shaft supporting frame comprises the base plate 7 and the secondary bearing support 2 be arranged on base plate 7 and main bearing support 3 that are positioned at bottom, and the two axially front and back along main shaft is arranged; Base plate 7 is provided with the axial moving mechanism making its movement vertically; Secondary bearing support 2 and main bearing support 3 are respectively arranged with and make the vertical travel mechanism of its vertically movement and the side movement mechanism making it along the direction movement vertical in the horizontal plane with main shaft; Main shaft supporting frame is also provided with and moves vertically it, is displaced sideways with along with main shaft is vertical in the horizontal plane the servomechanism providing power-assisted along vertically mobile.Main shaft supporting frame is used for supports main shaft 10, gear-box bearing support 1 is for support teeth roller box 8, main shaft supporting frame comprises base plate 7, secondary bearing support 2 and main bearing support 3 three part, base plate 7 can move by fore-and-aft direction, main bearing support 3 and secondary bearing support 2 all can move up and down and be displaced sideways, and achieve three translational degree of freedom of main shaft 10; Main bearing support 3 and secondary bearing support 2 all can realize dislocation when moving up and down and be displaced sideways mobile, achieve two rotational freedoms of main shaft 10; Again because " V " shape bracket top of secondary bearing support 2 is roller structure, centralising device allows main shaft 10 to rotate along its axis, and namely this device can realize making main shaft 10 have six-freedom degree, ensure that its flexibility adjusted.Owing to being also provided with, the servomechanism providing power-assisted is moved to all directions, solve manpower precision when the mechanism that adjustment weight is large and be difficult to the problem ensured, improve the accuracy of alignment of main shaft and gear-box significantly.
In the utility model one specific embodiment, the bottom of base plate 7 is provided with the first track arranged along the longitudinal direction, and axial moving mechanism is make base plate 7 along the chain-drive mechanism of the first rail moving.Base plate 7 is provided with chain-drive mechanism, makes it along the first set orbital motion, achieve it and move forward and backward.First track is specially line slideway 61.
In the utility model one specific embodiment, base plate 7 is provided with the axial servomechanism to moving axially power-assisted, axial servomechanism is pneumatic mechanism or hydraulic mechanism.Base plate 7 is provided with axial servomechanism, drives because chain-drive mechanism is generally manpower, increase axial servomechanism and can alleviate human load, improve the precision moved axially.
In the utility model one specific embodiment, secondary bearing support 2 with main bearing support 3 is provided with the second track arranged along the direction vertical in the horizontal plane with main shaft, side movement mechanism is make secondary bearing support 2 and main bearing support 3 along the self-lock mechanism of the second rail moving.Secondary bearing support 2 and main bearing support 3 can along the second orbital motions, achieve the translational degree of freedom of main shaft in side direction, side movement mechanism provides power by the rotation of leading screw, owing to have employed the structure with auto-lock function, make mobile more accurate, can not be shifted owing to not locking after movement.Second track is specially the vertical mobile line slideway 25 of axis and the vertical mobile line slideway 34 of axis.
In the utility model one specific embodiment, main bearing support 3 and secondary bearing support 2 are provided with the side direction servomechanism to being displaced sideways power-assisted, and side direction servomechanism is pneumatic mechanism or hydraulic mechanism.Side direction servomechanism provides power-assisted for being displaced sideways, and ensure that be displaced sideways accurate, this boosting mechanism can select pneumatic mechanism or hydraulic mechanism, conveniently controls, simple and practical.
In the utility model one specific embodiment, vertical travel mechanism is self-lock and incline configuration mechanism, it comprise two by being oppositely arranged of supporting and oblique prone ramp, two to play a supportive role and the lower inclined plane coordinated with ramp respectively and level screw in the leading screw of lower inclined plane sidewall.Self-lock and incline configuration mechanism make use of the principle that inclined-plane changes moving direction, by the movement of leading screw to supporting oblique surface transmission transverse direction, supporting oblique surface transverse shifting, to by supporting oblique surface transmission vertically movement, with the vertical movement of the main bearing support of this fine adjustment 3 and secondary bearing support 2, this structure durable, and owing to being that inclined-plane transmission is moved, can be more laborsaving.Self-locking structure can prevent displacement.
In the utility model one specific embodiment, main bearing support 3 and secondary bearing support 2 are provided with vertical servomechanism vertical direction being moved to power-assisted, and vertical servomechanism is spring mechanism, pneumatic mechanism or hydraulic mechanism.Vertical servomechanism can be guaranteed vertical mobile more accurate.
In the utility model one specific embodiment, secondary bearing support 2 comprises and is arranged at the V-shaped of its top and the bracket 22 of top band roller and be arranged at the secondary bearing support guiding mechanism of bracket 22 bottom.Secondary bearing support 2 top arranges the bracket 22 of " V " shape, can adapt to the size of the main shaft 10 of broad range, it arranges roller, main shaft 10 can be allowed to rotate along its axis.
In the utility model one specific embodiment, secondary bearing support 2 also comprises and is arranged between bracket 22 and secondary bearing support guiding mechanism, bracket 22 can be made at rotationally supported 23 of horizontal rotation in surface.
In the utility model one specific embodiment, secondary bearing support 2 lower part is provided with as the vertical travel mechanism of the axis be displaced sideways 21, as being displaced sideways the air assisted system 24 of power-assisted, the vertical mobile line slideway 25 of axis as the second track and the spiral as vertical travel mechanism and incline configuration mechanism 26, power-assisted guiding mechanism 4 as vertical mobile power-assisted, the vertical travel mechanism 21 of axis and spiral and incline configuration mechanism 26 are self-locking mechanism, ensure that main shaft 10 adjust after positioning precision.Because this device has had the guiding mechanism of six degree of freedom, can well complete when significantly adjusting, but the angle adjustment in the just main shaft 10 front end horizontal plane sometimes faced, the utility model further increases rotationally supported 23, the lateral displacement of main bearing support 3 can be regulated separately, make main shaft 10 minor rotation, centering process more accurately, conveniently.
In the utility model one specific embodiment, main bearing support comprises spindle bearing holder fixed mount 31, as the vertical travel mechanism of the axis be displaced sideways 32, the air assisted system 33 as side direction power-assisted, the vertical mobile line slideway 34 of the axis as the second track and as the spiral of vertical movement and incline configuration mechanism 35, power-assisted guiding mechanism 4 as vertical power-assisted, the vertical travel mechanism 32 of axis and spiral and incline configuration mechanism 35 are self-locking mechanism, ensure main shaft 10 adjust after accurate location.
In the utility model one specific embodiment, power-assisted guiding mechanism 4 comprises splicing sleeve 41, guide pillar 42, disk spring 43, adjusting nut 44, guide pin bushing 45.Support set 41 is connected with the mounting base of the vertical travel mechanism 32 of axis, guide pin bushing 45 is connected with the mounting base of spiral with incline configuration mechanism 35, adjusting nut 44 is for regulating the decrement of power assistant spring, thus the elastic force of regulating spring, to adapt to the blower fan main shaft 10 of different model.
In the utility model one specific embodiment, main shaft axial moving mechanism comprises Chain conveyer 62, man-operated mechanism 63, line slideway 61, air assisted system 5.This travel mechanism is set to the object of combined mechanism, when being in the expansion sleeve 9 in order to main shaft 10 being transferred to gear-box 8, according to situation during assembling, can control assembling process flexibly.
Centralising device six-freedom degree specific implementation is as follows: when 1, main shaft 10 moves in the axial direction, and man-operated mechanism 63 drives Chain conveyer 62, under the effect of servomechanism auxiliary force, is loaded by main shaft 10 in the expansion sleeve 9 of gear-box 8; 2, when main shaft 10 is along vertical mobile in horizontal plane of axis, the secondary vertical travel mechanism of axis 21 of bearing support 2 of rotating in same direction and the vertical travel mechanism 32 of axis of main bearing support 3, centralising device drives main shaft 10 to do along the vertical rectilinear motion of axis in horizontal plane; 3, when main shaft 10 moves along short transverse, operate the spiral of secondary bearing support 2 and the spiral of incline configuration mechanism 26 and main bearing support 3 and incline configuration mechanism 35 in the same way, this device drives main shaft 10 to move up and down; 4, main shaft 10 is when vertical rotation in surface, the spiral of the secondary bearing support of incorgruous or asynchronous operation 2 and the spiral of incline configuration mechanism 26 and main bearing support 3 and incline configuration mechanism 35, make their dislocation mobile, or make the spiral of major-minor bearing support and incline configuration mechanism one end static, the other end moves up and down, and main shaft 10 realizes at vertical plane intrinsic deflection; 5, main shaft 10 is when horizontal rotation in surface, the vertical travel mechanism of axis 21 of the secondary bearing support of incorgruous or asynchronous operation 2 and the vertical travel mechanism 32 of axis of main bearing support 3, make their dislocation move or the static other end in major-minor bearing support one end is moved, make main shaft 10 at horizontal plane intrinsic deflection; 6, because " V " shape bracket top of secondary bearing support 2 is roller structure, centralising device allows main shaft to rotate along main-shaft axis.
Main shaft provided by the utility model and gear case centering device tool have the following advantages:
1, the utility model is provided with servomechanism to the vertical travel mechanism of middle regulator, axial moving mechanism and side movement mechanism, therefore, when wind-power electricity generation acc power increases and causes main shaft 10 weight to increase, by adjusting the auxiliary force of servomechanism, make the operating physical force of operating personnel remain on ergonomics recommend accurate install time rotatory force, accuracy of alignment stability and high efficiency when ensureing to adjust, and the wind-driven generator power bracket of applicable broadness.
2, main shaft 10 of the present utility model is by main bearing support and secondary branching bolster supporting, secondary bearing support is two-piece unit structure, top is divided into roller " V " shape structure, lower part is used for installing and adjusting mechanism, rotationally supported 23 are arranged between upper and lower two parts, can relatively rotate, be convenient to main shaft 10 in horizontal plane during angle adjustment, flexible rotating.
3, upper-lower height guiding mechanism of the present utility model adopts spiral and incline configuration mechanism, and adjusting device can locate self-locking after short transverse adjustment, and can precise fine-adjustment, ensures to adjust accuracy of alignment.
4, main shaft axial moving mechanism of the present utility model adopts Chain conveyer to add the combining form of servomechanism, when meeting the expansion sleeve 9 of main shaft loading gear-box 8, can be servo-actuated with activity of keeping a coffin in a temporary shelter before burial, again can under servomechanism effect, fast main shaft 10 is loaded in expansion sleeve 9, improve efficiency of assembling.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. main shaft and a gear case centering device, comprises main shaft supporting frame and gear-box bearing support (1), it is characterized in that,
Described main shaft supporting frame comprises the base plate (7) and the secondary bearing support (2) be arranged on described base plate (7) and main bearing support (3) that are positioned at bottom, and the two axially front and back along main shaft is arranged;
Described base plate (7) is provided with the axial moving mechanism making its movement vertically;
Described secondary bearing support (2) and described main bearing support (3) are respectively arranged with and make the vertical travel mechanism of its vertically movement and the side movement mechanism making it along the direction movement vertical in the horizontal plane with described main shaft;
Described main shaft supporting frame is also provided with and moves vertically it, is displaced sideways with along with described main shaft is vertical in the horizontal plane the servomechanism providing power-assisted along vertically mobile.
2. main shaft as claimed in claim 1 and gear case centering device, it is characterized in that, the bottom of described base plate (7) is provided with the first track arranged along the longitudinal direction, and described axial moving mechanism is for making described base plate (7) along the chain-drive mechanism of described first rail moving.
3. main shaft as claimed in claim 2 and gear case centering device, it is characterized in that, described base plate (7) is provided with to the described axial servomechanism moving axially power-assisted, described axial servomechanism is pneumatic mechanism or hydraulic mechanism.
4. main shaft as claimed in claim 3 and gear case centering device, it is characterized in that, described secondary bearing support (2) with described main bearing support (3) is provided with the second track arranged along the direction vertical in the horizontal plane with described main shaft, described side movement mechanism is for making described secondary bearing support (2) and described main bearing support (3) along the self-lock mechanism of described second rail moving.
5. main shaft as claimed in claim 4 and gear case centering device, it is characterized in that, described main bearing support (3) and described secondary bearing support (2) are provided with the described side direction servomechanism being displaced sideways power-assisted, and described side direction servomechanism is pneumatic mechanism or hydraulic mechanism.
6. main shaft as claimed in claim 5 and gear case centering device, it is characterized in that, described vertical travel mechanism is self-lock and incline configuration mechanism, it comprise two by being oppositely arranged of supporting and oblique prone ramp, two to play a supportive role and the lower inclined plane coordinated with described ramp respectively and level screw in the leading screw of described lower inclined plane sidewall.
7. main shaft as claimed in claim 6 and gear case centering device, it is characterized in that, described main bearing support (3) and described secondary bearing support (2) are provided with the vertical servomechanism described vertical direction being moved to power-assisted, and described vertical servomechanism is spring mechanism, pneumatic mechanism or hydraulic mechanism.
8. main shaft as claimed in claim 7 and gear case centering device, it is characterized in that, described secondary bearing support (2) comprises and is arranged at the V-shaped of its top and the bracket (22) of top band roller and be arranged at the secondary bearing support guiding mechanism of described bracket (22) bottom.
9. main shaft as claimed in claim 8 and gear case centering device, it is characterized in that, described secondary bearing support (2) also comprises rotationally supported (23) that are arranged between described bracket (22) and described secondary bearing support guiding mechanism, described bracket (22) can be made to rotate at horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758167.XU CN204339261U (en) | 2014-12-04 | 2014-12-04 | Main shaft and gear case centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758167.XU CN204339261U (en) | 2014-12-04 | 2014-12-04 | Main shaft and gear case centering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204339261U true CN204339261U (en) | 2015-05-20 |
Family
ID=53222563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420758167.XU Withdrawn - After Issue CN204339261U (en) | 2014-12-04 | 2014-12-04 | Main shaft and gear case centering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204339261U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104440072A (en) * | 2014-12-04 | 2015-03-25 | 浙江运达风电股份有限公司 | Centering device for main shaft and gear box |
| CN105196044A (en) * | 2015-10-22 | 2015-12-30 | 南车资阳机车有限公司 | Centering device and centering method for gearbox transmission system |
-
2014
- 2014-12-04 CN CN201420758167.XU patent/CN204339261U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104440072A (en) * | 2014-12-04 | 2015-03-25 | 浙江运达风电股份有限公司 | Centering device for main shaft and gear box |
| CN105196044A (en) * | 2015-10-22 | 2015-12-30 | 南车资阳机车有限公司 | Centering device and centering method for gearbox transmission system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150520 Effective date of abandoning: 20170412 |
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| AV01 | Patent right actively abandoned |