CN110116384A - Box bearing lid assembly tool and assemble method - Google Patents
Box bearing lid assembly tool and assemble method Download PDFInfo
- Publication number
- CN110116384A CN110116384A CN201910389484.6A CN201910389484A CN110116384A CN 110116384 A CN110116384 A CN 110116384A CN 201910389484 A CN201910389484 A CN 201910389484A CN 110116384 A CN110116384 A CN 110116384A
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- Prior art keywords
- box
- positioning
- bearing
- gear
- axle
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
Abstract
The invention discloses a kind of box bearing lid assembly tool and assemble method, the tooling includes support tube；Positioning and guiding set is formed with up big and down small tapered guide surface set on the top of the support tube on inner wall, upper surface is equipped with integral support portion and outer support portion, and the outer support portion is used to support the GW side bearing lid of the gear-box of the axle during installation；Supporting element, pad are set to the integral support portion of positioning and guiding set；Supporting surface at the top of the supporting element is higher than the supporting surface in the outer support portion of positioning and guiding set, to support the GW side block oil ring of the gear-box of the axle during installation, make the axle after being placed in the tooling, the GW side bearing inner ring of gear-box is not in contact with outer ring.The tooling can optimize packaging technology, reduce requiring the level of skill of operating personnel and labor intensity, avoid occurring box bearing and collide with damage, reduction quality risk.
Description
Technical field
The present invention relates to the box bearing lid assembly tools of rail vehicle technical field, especially axle of motor train unit.This
Invention further relates to the method using the tooling in axle over-assemble box bearing lid.
Background technique
For the mainly motor train unit bogie of dress integrated gear case, big axle bearing new product manufacture when and
When service life need to update to limit, it need to be assembled by corresponding requirements.
To guarantee that box bearing assembling quality, workpiece carry out bearing inner race assembling under vertical state, guarantee that bearing is flat
Row degree and the gap width between other components after bearing inner race is completed, to prevent damage of the bearing, need to continue vertical
Under state, assembling is equipped with the bearing cap of bearing outer ring.But directly in axle over-assemble bearing cap, there are the following problems:
Firstly, axle (band gear-box) need to use overhead traveling crane handling, bearing cap (the i.e. GW side bearing of big axis wheel side is dropped down onto
Lid) on, since gear-box distribution of weight is uneven, there are deflection situations during handling, can not effectively centering fall.
Secondly, being connect in axle (band gear-box) dropping process by manual control, confirmation bearing inner race and bearing outer ring
Touching, no impact mitigation measure easily causes rigid Contact -impact, and then bearing is caused to collide with generation.
Furthermore entire assembling process is high to the high and operation intensity of lifting job personnel's level of skill requirement, packaging efficiency
It is not high.
Summary of the invention
The object of the present invention is to provide a kind of box bearing lid assembly tool, which can optimize packaging technology, drop
The low level of skill to operating personnel requires and labor intensity, avoids occurring box bearing and collides with damage, reduction quality risk.
It is a further object of the present invention to provide it is a kind of using the tooling axle over-assemble box bearing lid gear
Axle box bearing lid assemble method.
To achieve the above object, the present invention provides a kind of box bearing lid assembly tool, comprising:
Support tube；
Positioning and guiding set, coaxial sleeve are set to the top of the support tube；It is formed on the inner wall of the positioning and guiding set
Small tapered guide surface under big, to guide axle to pass through the positioning and guiding set in the vertical direction；The positioning and guiding covers upper
End face is equipped with integral support portion and outer support portion, and the outer support portion is used to support the side GW of the gear-box of the axle during installation
Bearing cap；
Supporting element, pad are set to the integral support portion of positioning and guiding set；Supporting surface at the top of the supporting element is higher than described
The supporting surface in the outer support portion of positioning and guiding set makes institute to support the GW side block oil ring of the gear-box of the axle during installation
Axle is stated after being placed in the tooling, the GW side bearing inner ring of gear-box is not in contact with outer ring.
Preferably, the peripheral part of the positioning and guiding set is equipped with the stage portion for being supported in the support tube upper surface.
Preferably, the stage portion is equipped with groove or boss, and the support tube upper surface is equipped with corresponding boss or groove.
Preferably, the integral support portion of the positioning and guiding set is equipped with positioning groove, and the supporting element pad is set to the positioning
Groove.
Preferably, the supporting element is the annular element that cross section is in rectangle, and internal diameter is more than or equal to the positioning and guiding
The maximum inner diameter of set, outer diameter are less than or equal to the internal diameter of the lower support zone of the GW side bearing lid.
Preferably, the upper end of the positioning and guiding set is equipped with the outer edge radially extended, to form the outer support portion.
Preferably, there is radial fit gap between the positioning and guiding set and the support tube.
Preferably, the positioning and guiding set is high-strength aluminium positioning and guiding set.
To realize above-mentioned another object, the present invention provides a kind of box bearing lid assemble method, using any of the above-described
The box bearing lid assembly tool is assembled, comprising:
The GW side bearing lid of the gear-box of the axle is put to the outer support portion covered to the positioning and guiding, makes the side GW
Bearing cap covers coaxial with the positioning and guiding；
Axle with gear-box is integrally vertically loaded into the positioning and guiding set, is led by the taper that the positioning and guiding covers
To the vertical centering in face, after the GW side block oil ring of the gear-box of the axle is contacted with the supporting element, outside the GW side bearing
Circle is not in contact with bearing inner race；
Assembling installation bolt in place by the assembling of the cabinet of the GW side bearing lid and the gear-box makes the GW side axle
Inner ring is held to contact with bearing outer ring；
The GM side bearing lid for assembling the gear-box of the axle, by the cabinet group of the GM side bearing lid and the gear-box
It is attached to position, the GM side axle bearing outer-ring is made to be in contact with bearing inner race.
Further, further includes:
The cabinet of the gear-box and the GW side bearing lid are pulled up jointly, so that the GW side bearing inner ring and bearing
Outer ring comes into full contact with.
Assembly tool provided by the present invention is equipped with tapered guide surface on the inner wall that positioning and guiding covers, in assembling, band
There is the axle of gear-box during being lowered into positioning and guiding set, can make by self gravity in the guidance of tapered guide surface
With lower automatic capturing, the state of workpiece is lifted without consideration, to reduce the requirement and labour to operating personnel's technical level
Intensity helps to improve production efficiency；Moreover, because pad is equipped with supporting element on positioning and guiding set, this supporting element can make vehicle
After being put into positioning and guiding set, the GW side bearing inner ring of gear-box is not in contact axis with outer ring, is avoided because of gear-box certainly
GW side bearing lid caused by body weight factor is caused to damage, be collided with when assembling to bearing, to reduce quality risk, is ensured
The assembling quality of gear-box.In addition, this tooling has good versatility, it can be adapted for various forms of bearings, in group
After the completion of dress, without decomposing the bearing state after bearing cap confirmation assembles.
Assemble method provided by the present invention assembles box bearing lid using above-mentioned tooling, due to the tooling
With the above technical effect, then the method assembled using the tooling should also have corresponding technical effect.
Detailed description of the invention
Fig. 1 is in a kind of embodiment, and axle is after being put into positioning and guiding set, the GW side bearing inner ring and axis of gear-box
Bearing outer-ring not in contact with structural schematic diagram；
Fig. 2 is in a kind of embodiment, after the cabinet assembling in place of the GM side bearing lid and gear-box of axle, in GW side bearing
Enclose the structural schematic diagram being in contact with bearing outer ring, GM side axle bearing outer-ring with bearing inner race；
Fig. 3 is the partial structural diagram of box bearing lid assembly tool shown in Fig. 1.
In figure:
1. 2. positioning and guiding of support tube covers 3. supporting element, 4. gear-box, 5. axle, 6. tapered guide surface
11. groove of 7.GW side bearing lid 8.GW side block oil ring 9.GW side bearing inner ring 10.GW side axle bearing outer-ring, 12. boss
13. outer edge 14. installs bolt 15.GM side bearing lid
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Herein, the terms such as " upper and lower, left and right " are positional relationships based on the figure and establishment, with reference to the accompanying drawings
Difference, corresponding positional relationship is also possible to change therewith, therefore, can not be understood as to the exhausted of protection scope
To restriction；Moreover, the relational terms of such as " first " and " second " or the like are used merely to one with another with identical
The component of title distinguishes, without necessarily requiring or implying between these components there are any this actual relationship or
Sequentially.
Referring to FIG. 3, Fig. 3 is the partial structural diagram of box bearing lid assembly tool shown in Fig. 1.
As shown, in a specific embodiment, box bearing lid assembly tool provided by the invention, mainly by propping up
Support cylinder 1, positioning and guiding set 2 and 3 three parts of supporting element composition.
When in use, support tube 1 is in upright state, and for axis perpendicular to ground, lower end is sustainable or is connected to smooth, steady
On fixed basic platform or operating platform, for carrying positioning and guiding set 2, supporting element 3 and with the axle 5 of gear-box 4, by
Larger in gear-box 4 and 5 weight of axle, support tube 1 should have certain wall thickness, to guarantee to have enough structural strengths.
Positioning and guiding set 2 is coaxially set in the top of support tube 1, is formed with up big and down small cone on the inner wall of the upper end
Shape guide surface 6, to guide axle 5 to pass through positioning and guiding set 2 in the vertical direction；The upper surface of positioning and guiding set 2 is equipped with inner support
Portion and outer support portion, wherein outer support portion for supporting the GW side bearing lid 7 of gear-box 4, i.e., big axis wheel side axle during installation
Hold lid.
The pad of supporting element 3 is set to the integral support portion of positioning and guiding set 2, is designed according to the structure of GW side block oil ring 8, guarantees have
The overall weight of effect support gear-box 4 and axle 5, the supporting surface at 3 top of supporting element are higher than the outer support portion of positioning and guiding set 2
Supporting surface makes axle 5 after being placed in tooling, the side GW of gear-box 4 to support the GW side block oil ring 8 of gear-box 4 during installation
Bearing inner race 9 and GW side axle bearing outer-ring 10 is not in contact.
Since the inner wall of positioning and guiding set 2 is equipped with tapered guide surface 6, in assembling, the axle 5 with gear-box 4 exists
During being lowered into positioning and guiding set 2, self gravity automatic capturing under the guiding function of tapered guide surface 6 can be relied on,
Guarantee vertical decline, for operating personnel's technical ability without specific demand, lifting people directly carries out gear-box lifting operation, nothing
It need to consider that the state for lifting workpiece helps to improve to reduce the requirement to operating personnel's technical level and labor intensity
Production efficiency.
Supporting element 3 can make axle after being put into positioning and guiding set 2, the GW side bearing inner ring 9 of gear-box 4 and the side GW
Bearing outer ring 10 is not in contact, and GW side bearing lid 7 caused by avoiding because of 4 own wt factor of gear-box makes bearing when assembling
At damaging, colliding with, to reduce quality risk, the assembling quality of gear-box 4 has been ensured.
In at least one embodiment, the peripheral part of positioning and guiding set 2 is equipped with the step for being supported in 1 upper surface of support tube
Portion, stage portion are equipped with a groove 11, and the upper surface of support tube 1 is equipped with the boss 12 corresponding to groove 11, so that positioning be made to lead
More structurally sound nested encryptions structure is formed between set 2 and support tube 1.
Certainly, as an improvement, a boss can also be set in the stage portion that positioning and guiding covers 2, while supporting
The upper surface setting of cylinder 1 corresponds to the groove of boss, is equally capable of forming this reliable axially nested connection structure.
In other embodiments, the integral support portion of positioning and guiding set 2 is equipped with positioning groove, and the pad of supporting element 3 is located at
In positioning groove so that supporting element 3 put to positioning and guiding set 2 when, can rapidly, reliably position, and and positioning and guiding
The axis of set 2 coincides.
Specifically, supporting element 3 can be the annular element that cross section is in rectangle, and internal diameter is more than or equal to positioning and guiding set 2
Maximum inner diameter, outer diameter be less than or equal to GW side bearing lid 7 lower support zone internal diameter, when being assembled, supporting element with
There can be small―gap suture appropriate between the lower support zone of GW side bearing lid 7.This structure can both guarantee that supporting element 3 can prop up
The GW side block oil ring 8 for supportting gear-box, and will not interfere when being put into axle 5 with axle 5, meanwhile, by GW side bearing lid
7 when being placed in outer support portion, can be by the cooperation of GW side bearing lid 7 and supporting element 3, quickly, reliably to GW side bearing
Lid 7 is positioned, and the axis of the axis and axle 5 of GW side bearing lid 7 is essentially coincided, and can be packed into GW side gear case straight up
Cabinet.
Certainly, supporting element 3, which is also possible to equally distributed multiple supporting blocks, these supporting blocks along circumferential direction, to pad respectively
It is covered on 2 in corresponding positioning groove equipped with positioning and guiding, it is above-mentioned to be used as one compared with the supporting element of multiple supporting block forms
A whole support ring more easily assembles, positions and guarantees that supporting surface is in same plane, is more preferred mode.
In addition, in order to support GW side bearing lid 7 with enough areas, while positioning and guiding being made to cover 2 main parts
Size is unlikely to excessive, the outer edge 13 radially extended is equipped in the upper end of positioning and guiding set 2, to form outer support portion.
In other embodiments, axle 5 is contacted with positioning and guiding set 2 firmly and is damaged in order to prevent, positioning and guiding set 2
The relatively soft metal material of quality, such as the positioning and guiding set of high-strength aluminium material, and positioning and guiding set 2 and support tube can be used
There is radial fit gap, so as to have the surplus that can be adjusted between the two between 1.
Above-described embodiment is only preferred embodiment of the invention, is specifically not limited thereto, on this basis can be according to reality
It needs to make to have and targetedly adjust, to obtain different embodiments.For example, supporting element 3 and positioning and guiding set 2 can also
To be integral structure, relative to integral structure, the supporting element 3 of above-mentioned split type structure is easily changed after damage, is not necessarily to
Replace entire positioning and guiding set 2；Alternatively, support tube 1 and positioning and guiding set 2 are an integral structure, etc..Due in the cards
Mode is more, just no longer illustrates one by one here.
Fig. 1, Fig. 2 are please referred to, Fig. 1 is in a kind of embodiment, and axle is after being put into positioning and guiding set, the GW of gear-box
Side bearing inner ring and bearing outer ring not in contact with structural schematic diagram；Fig. 2 is the GM side bearing lid and tooth of axle in a kind of embodiment
After the cabinet assembling in place of roller box, knot that GW side bearing inner ring is in contact with bearing outer ring, GM side axle bearing outer-ring with bearing inner race
Structure schematic diagram.
As shown, in a specific embodiment, box bearing lid assemble method provided by the invention, using above
The box bearing lid assembly tool is assembled, including processing step once:
Firstly, putting the GW side bearing lid 7 of the gear-box 4 of axle 5 to the outer support portion of positioning and guiding set 2, make GW side axle
It holds lid 7 and positioning and guiding set 2 is coaxial.
Then, the whole positioning and guiding that is vertically loaded into of the axle 5 with gear-box 4 is covered 3, by the taper of positioning and guiding set 2
The vertical centering of guide surface 6, after the GW side block oil ring 8 of gear-box 4 is contacted with supporting element 3, GW side axle bearing outer-ring 10 and GW side axle
Inner ring 9 is held not to be in contact.
Then, the installation bolt 14 for assembling GW side bearing lid 7 as required, by the cabinet group of GW side bearing lid 7 and gear-box 4
It is attached to position, contacts GW side bearing inner ring 9 with GW side axle bearing outer-ring 10.
Finally, the GM side bearing lid 15 of assembling gear-box 4, i.e., big spindle motor side bearing lid diagonally uniformly apply
Torsion is installed, in place by the assembling of the cabinet of GM side bearing lid 15 and gear-box 4, guarantees cabinet (the band GW side bearing of gear-box 4
Lid) it is uniformly upward, until GM side bearing lid 15 is installed in place, GM side axle bearing outer-ring is made to be in contact with bearing inner race.
As it can be seen that using above-mentioned tooling assembled when, and it is non-disposable GW side bearing lid 7 is installed in place, but point
Two stages carry out, and at installation initial stage, GW side axle bearing outer-ring 10 and GW side bearing inner ring 9 are not in contact with avoiding outside GW side bearing
Circle 10 collides with GW side bearing inner ring 9, in subsequent assembling process, by screwing installation bolt, makes GW side bearing lid
15 move up under the drive of bolt, to GW side axle bearing outer-ring 10 and GW side bearing inner ring 9 be come into contact with, until completely
Cooperation is in place.
Further, after completion of assembly, the cabinet of gear-box 4 and GW side bearing lid 7 can be pulled up jointly, so that the side GW
Bearing inner race 9 and GW side axle bearing outer-ring 10 comes into full contact with.Fitting allowance if it exists then can further screw GW side bearing lid 7
With the installation bolt of GM side bearing lid 15, it is ensured that be installed in place.
According to the one side of above-described embodiment, provided tooling and assemble method have good versatility, Suo Youdong
This kind of mode can be used to be assembled for Che Zuyong gear-box, can without considering weight, the state of axle (with gear-box) itself
To be suitable for the common EMU gear-box bearings such as various forms of bearings, such as tapered roller bearing, cylinder roller bearing,
After its bearing inner race is assembled to gear-box, this kind of packaging technology can be used to carry out the group of box bearing lid (with bearing outer ring)
Industry is pretended, moreover, after finishing assembly, without decomposing the bearing state after bearing cap confirmation assembles, it is only necessary to adjust gearbox shaft
Clearance value is held, assembling operation is more efficient.
Box bearing lid assembly tool provided by the present invention and assemble method are described in detail above.Herein
In apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to sides
Assistant solves core of the invention thought.It should be pointed out that for those skilled in the art, not departing from this hair
, can be with several improvements and modifications are made to the present invention under the premise of bright principle, these improvement and modification also fall into power of the present invention
In the protection scope that benefit requires.
Claims (10)
1. a kind of box bearing lid assembly tool characterized by comprising
Support tube；
Positioning and guiding set, coaxial sleeve are set to the top of the support tube；Under being formed with greatly on the inner wall of the positioning and guiding set
Small tapered guide surface, to guide axle to pass through the positioning and guiding set in the vertical direction；The upper surface of the positioning and guiding set
Equipped with integral support portion and outer support portion, the outer support portion is used to support the GW side bearing of the gear-box of the axle during installation
Lid；
Supporting element, pad are set to the integral support portion of positioning and guiding set；Supporting surface at the top of the supporting element is higher than the positioning
The supporting surface in the outer support portion of guide sleeve makes the vehicle to support the GW side block oil ring of the gear-box of the axle during installation
After being placed in the tooling, the GW side bearing inner ring of gear-box is not in contact axis with outer ring.
2. box bearing lid assembly tool according to claim 1, which is characterized in that the periphery of the positioning and guiding set
Portion is equipped with the stage portion for being supported in the support tube upper surface.
3. box bearing lid assembly tool according to claim 2, which is characterized in that the stage portion be equipped with groove or
Boss, the support tube upper surface are equipped with corresponding boss or groove.
4. box bearing lid assembly tool according to claim 1, which is characterized in that the interior branch of the positioning and guiding set
Support part is equipped with positioning groove, and the supporting element pad is set to the positioning groove.
5. box bearing lid assembly tool according to claim 4, which is characterized in that the supporting element is in for cross section
The annular element of rectangle, internal diameter are more than or equal to the maximum inner diameter of positioning and guiding set, and outer diameter is less than or equal to the side GW
The internal diameter of the lower support zone of bearing cap.
6. box bearing lid assembly tool according to claim 1, which is characterized in that the upper end of the positioning and guiding set
Equipped with the outer edge radially extended, to form the outer support portion.
7. box bearing lid assembly tool according to claim 1, which is characterized in that positioning and guiding set with it is described
There is radial fit gap between support tube.
8. box bearing lid assembly tool as claimed in any of claims 1 to 7, which is characterized in that described fixed
Position guide sleeve is high-strength aluminium positioning and guiding set.
9. a kind of box bearing lid assemble method, using the described in any item box bearing lid groups of the claims 1 to 8
Dress tooling is assembled, comprising:
The GW side bearing lid of the gear-box of the axle is put to the outer support portion covered to the positioning and guiding, makes the GW side bearing
Lid covers coaxial with the positioning and guiding；
Axle with gear-box is integrally vertically loaded into the positioning and guiding set, the tapered guide surface covered by the positioning and guiding
Vertical centering, after the GW side block oil ring of the gear-box of the axle is contacted with the supporting element, the GW side axle bearing outer-ring with
Bearing inner race is not in contact；
Assembling installation bolt in place by the assembling of the cabinet of the GW side bearing lid and the gear-box makes in the GW side bearing
Circle is contacted with bearing outer ring；
The GM side bearing lid for assembling the gear-box of the axle, the cabinet of the GM side bearing lid and the gear-box is assembled into
Position, makes the GM side axle bearing outer-ring be in contact with bearing inner race.
10. box bearing lid assemble method according to claim 9, which is characterized in that further include:
The cabinet of the gear-box and the GW side bearing lid are pulled up jointly, so that the GW side bearing inner ring and bearing outer ring
It comes into full contact with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910389484.6A CN110116384B (en) | 2019-05-10 | 2019-05-10 | Gear box bearing cover assembling tool and assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910389484.6A CN110116384B (en) | 2019-05-10 | 2019-05-10 | Gear box bearing cover assembling tool and assembling method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110116384A true CN110116384A (en) | 2019-08-13 |
| CN110116384B CN110116384B (en) | 2021-01-01 |
Family
ID=67522079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910389484.6A Active CN110116384B (en) | 2019-05-10 | 2019-05-10 | Gear box bearing cover assembling tool and assembling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110116384B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112621166A (en) * | 2020-12-15 | 2021-04-09 | 山西江淮重工有限责任公司 | Bearing mounting device of small cabin and method for mounting bearing by using mounting device |
| CN113551583A (en) * | 2021-07-28 | 2021-10-26 | 中车青岛四方机车车辆股份有限公司 | Gear box clearance measuring device |
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| CN207606775U (en) * | 2017-12-12 | 2018-07-13 | 江苏今创车辆有限公司 | Locomotive axle box bearing press mounting tooling |
| CN208409643U (en) * | 2018-04-11 | 2019-01-22 | 明阳智慧能源集团股份公司 | A kind of wind driven generation set main shaft bearing (ball) cover centering tooling |
| CN109434428A (en) * | 2018-12-27 | 2019-03-08 | 宁波中亿自动化装备有限公司 | Cylindrical bearing outer ring stop ring assembly machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0239875A2 (en) * | 1986-04-04 | 1987-10-07 | UNIFLEX-Hydraulik GmbH | Radial press |
| CN1379849A (en) * | 1999-11-25 | 2002-11-13 | 腓特烈斯港齿轮工厂股份公司 | Planetary gearbox for mounting on electromotor |
| CN1551808A (en) * | 2001-09-04 | 2004-12-01 | ��������е�豸�ɷݹ�˾ | Hydraulic fast locking and loosening device for bearing assemblies of rolling-mill cylinders, and corresponding method of use |
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| CN208409643U (en) * | 2018-04-11 | 2019-01-22 | 明阳智慧能源集团股份公司 | A kind of wind driven generation set main shaft bearing (ball) cover centering tooling |
| CN109434428A (en) * | 2018-12-27 | 2019-03-08 | 宁波中亿自动化装备有限公司 | Cylindrical bearing outer ring stop ring assembly machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112621166A (en) * | 2020-12-15 | 2021-04-09 | 山西江淮重工有限责任公司 | Bearing mounting device of small cabin and method for mounting bearing by using mounting device |
| CN113551583A (en) * | 2021-07-28 | 2021-10-26 | 中车青岛四方机车车辆股份有限公司 | Gear box clearance measuring device |
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| Publication number | Publication date |
|---|---|
| CN110116384B (en) | 2021-01-01 |
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