CN107516980B - A kind of dismounting tooling of dismounting and the workpiece of axis interference fit - Google Patents
A kind of dismounting tooling of dismounting and the workpiece of axis interference fit Download PDFInfo
- Publication number
- CN107516980B CN107516980B CN201710805592.8A CN201710805592A CN107516980B CN 107516980 B CN107516980 B CN 107516980B CN 201710805592 A CN201710805592 A CN 201710805592A CN 107516980 B CN107516980 B CN 107516980B
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- Prior art keywords
- workpiece
- axis
- dismounting
- frame body
- adjusting
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/0006—Disassembling, repairing or modifying dynamo-electric machines
Abstract
The present invention provides the dismounting toolings of a kind of dismounting and the workpiece of axis interference fit.The dismounting tooling includes: frame body, offers the notch that suitable axis is radially inserted into thereon, and notch is not suitable for workpiece and extends there through；Clamp assemblies are arranged on frame body, for when installment work component, clamping axis on the axis being embedded in notch, preventing from sliding axially between axis and frame body；When adjusting component, be mounted on frame body, and adjusting, frame body can be relatively moved with assembly support is adjusted along the axial direction of axis；And then when mounting and dismounting electric machine assembly, active force when dismounting tooling installation or removal motor blower fan acts on motor shaft, stress between motor shaft and motor bearings is avoided, the big problem of motor oscillating increase, motor abnormal sound, noise caused by avoiding thus.
Description
Technical field
The present invention relates to tooling technical fields, and in particular to a kind of dismounting work of dismounting and the workpiece of axis interference fit
Dress.
Background technique
Currently, food cooking machine is being related to complete machine production, motor performance experiment electric motor fan blade type selecting and motor, motor
When fan blade repairs, it can generally be related to the replacement of motor blower fan, need to dismount motor blower fan.
In the prior art, the disassembly and installation of motor blower fan is realized generally by manual mode on motor shaft.In motor
In fan blade disassembly process, as shown in Figure 1, the tool used includes disassembly stick 20 ' and cushion block 40 ', cushion block 40 ' is placed on motor
Between fan blade 13 ' and motor body, motor blower fan 13 ' is agitated by dismantling stick 20 ', using lever principle by motor wind
Leaf 13 ' upwarps out from motor shaft 11 ', to realize that motor blower fan 13 ' is dismantled.When being installed to motor blower fan 13 ', generally
By the way of tapping at the top of motor blower fan 13 ', it is fitted close motor blower fan 13 ' and motor shaft 11 '.Though aforesaid way can
Conveniently realize the dismounting of motor blower fan 13 ', but in practical applications, due to being between motor blower fan 13 ' and motor
There are biggish package power in the structure of interference close-fitting, 13 ' pilot hole of motor blower fan and 11 ' end of motor shaft, thus agitating disassembly
It occur the problem that when motor blower fan 13 ', percussion installation motor blower fan 13 '
1, when agitating disassembly motor blower fan using disassembly stick, motor blower fan force part is the stress point at blade position, this
Sample will lead to discontinuity equalization when motor blower fan is dismantled and deform, the serious dynamic balancing and stabilization that will affect motor blower fan
Property, cause the noise of complete machine to increase, influences the quality of complete machine；
2, when agitating disassembly motor blower fan using disassembly stick, a part for dismantling stick can push up the blade of motor blower fan, and
Fulcrum can then be fallen on electric machine support, and during motor blower fan cup levers up abjection motor shaft, most of package power can be passed to
Between motor shaft and motor bearings, in this way can it is a degree of damage motor bearings job stability, will appear electricity when serious
Machine vibration increase, motor abnormal sound, noise increase, shorten the problems such as service life of motor, influence the quality of complete machine；
3, when installing motor blower fan, stress between motor shaft and motor bearings can equally be made at the top of motor blower fan by tapping,
Influence the stability of motor bearings work.
Summary of the invention
The main purpose of the present invention is to provide the dismounting toolings of a kind of dismounting and the workpiece of axis interference fit, with solution
The certainly problem that dismounting electric machine assembly causes motor oscillating increase, motor abnormal sound, noise big in the prior art.
To achieve the above object, a kind of dismounting tooling for the workpiece being interference fitted the present invention provides dismounting and axis,
Include:
Frame body offers the notch for being suitble to the axis to be radially inserted into thereon, and the notch is not suitable for the workpiece
It extends there through；
Clamp assemblies are arranged on the frame body, for installing the work on the axis being embedded in the notch
When component, the axis is clamped, prevents from sliding axially between the axis and the frame body；
When adjusting component, be mounted on the frame body, and adjusting, the frame body can be along described with the adjusting assembly support
The axial direction of axis relatively moves；
When installing the workpiece on toward the axis, the clamp assemblies clamp the axis, adjust the adjusting component,
So that the adjusting component is compressed the workpiece being aligned with the shaft end of the axis, is tightly placed in the workpiece described
On axis；
When dismantling the workpiece from the axis, the clamp assemblies unclamp clamping, adjust the adjusting component, make
The shaft end for adjusting component and compressing the axis, the frame body is under the action of the adjusting force for adjusting component towards the work
The workpiece is supported by the direction movement that component is detached from the axis from the axis.
Further, the adjusting component includes the adjusting main body being threadedly coupled with the frame body, is mounted on the adjusting
Workpiece in main body pushes against part, is removably mounted on the shaft end that the workpiece pushes against on part and pushes against part；
When installing the workpiece on the shaft, the clamp assemblies clamp the axis, the shaft end push against part from
It is removed on the workpiece, rotates the adjusting main body, the workpiece abutting part is made to compress the shaft end pair with the axis
The quasi- good workpiece, keeps the workpiece fixed on the shaft；
When dismantling the workpiece from the axis, the clamp assemblies unclamp clamping, and the shaft end is pushed against part peace
It is pushed against on part mounted in the workpiece, adjusts the adjusting component, the shaft end is made to push against the end face that part resists the axis, institute
Frame body is stated under the action of the threading force for adjusting main body, the direction for being detached from the axis towards institute's workpiece is mobile, will be described
Workpiece supports from the axis.
Further, the frame body is equipped at least two first threaded holes, and the clamp assemblies include and first spiral shell
The threaded fastener that pit is threadedly coupled, the threaded fastener are held the axle clamp by the side wall that end resists the axis.
Further, first threaded hole is arranged around the notch, and first threaded hole penetrates the notch
Side wall.
Further, there are two first threaded hole is set, and the two sides of the notch are divided into, the threaded fastener
It is correspondingly provided with two.
Further, the shaft end pushes against part and is threadably mounted on the workpiece abutting part.
Further, the adjusting main body is to adjust stud, and it is to be connected to the adjusting spiral shell that the workpiece, which pushes against part,
Connection pressure head on column, it is compression leg that the shaft end, which pushes against part, is threadedly coupled between the connection pressure head and the compression leg.
Further, it further includes the adjusting spanner being mounted on the adjusting stud that the screw thread, which adjusts component,.
Further, the frame body includes the supporting plate for offering the notch, is oppositely arranged on the two sides on the supporting plate
The support plate that plate and both ends are connect with two side plates respectively, the adjusting component are arranged in the support plate.
Further, threaded hole is offered on the end of two side plates, the supporting plate is connected to by fastening screw
On two side plates.
Further, the support plate at least one end extends to outside the side plate.
Further, the axis is motor shaft, and the workpiece is motor blower fan or gear.
Technical solution of the present invention has the advantages that
Dismounting provided by the invention is mounting and dismounting motor group with the dismounting tooling of the workpiece of axis interference fit
When part, active force when dismounting tooling installs or removes motor blower fan is acted on motor shaft, and then can be to avoid motor shaft
The stress between motor bearings, the big problem of motor oscillating increase, motor abnormal sound, noise caused by avoiding thus, while
Motor blower fan is supported from motor shaft by frame body when dismantling motor blower fan, avoids asking for motor blower fan discontinuity equalization deformation
Topic, further improves the quality in disassembly process.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is the dismounting schematic diagram of motor blower fan in the prior art；
Fig. 2 is the structural schematic diagram that the embodiment of the present invention dismounts tooling and electric machine assembly；
Fig. 3 is the structural schematic diagram for dismounting tooling disassembly motor blower fan；
Fig. 4 is the structural schematic diagram for dismounting tooling installation motor blower fan.
Wherein, the appended drawing reference in above-mentioned attached drawing are as follows:
11 ', motor shaft；13 ', motor blower fan；20 ', stick is dismantled；40 ', cushion block；
10, clamp assemblies；
30, component is adjusted；33, stud is adjusted；331, spanner is adjusted；35, pressure head is connected；37, compression leg；
50, frame body；51, supporting plate；511, notch；53, side plate；55, support plate；
90, electric machine assembly；91, motor shaft；93, motor blower fan.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Embodiment 1
If 2 to shown in Fig. 4 figure, the dismounting tooling of the workpiece of dismounting and axis interference fit in the present embodiment is as one
Tooling is dismounted, for the disassembly and installation of electric machine assembly 90, electric machine assembly 90 includes motor and is mounted on electricity in the present embodiment
Motor blower fan 93 on machine, naturally it is also possible to which being includes motor and the gear that is mounted on motor.
It includes frame body 50 that tooling is dismounted in the present embodiment, the clamp assemblies 10 that are mounted on frame body 50 and is mounted on frame body
Adjusting component 30 on 50.
Specifically, the notch 511 for being suitble to the axis to be radially inserted into is offered on frame body 50, and the notch 511 is not suitable for
The workpiece extends there through；Clamp assemblies 10 are arranged on the frame body 50, in the institute being embedded in the notch 511
It states when the workpiece is installed on axis, clamps the axis, prevent from sliding axially between the axis and the frame body 50；It adjusts
Section component 30 is mounted on the frame body 50, and when adjusting, and the frame body 50 can be along the axis with 30 bracket of adjusting component
Axial direction relatively move；When installing the workpiece on toward the axis, the clamp assemblies 10 clamp the axis,
The adjusting component 30 is adjusted, so that the adjusting component 30 is compressed the workpiece being aligned with the shaft end of the axis, makes
The workpiece is fixed on the shaft；When dismantling the workpiece from the axis, the clamp assemblies 10 unclamp folder
It holds, adjusts the adjusting component 30, so that the adjusting component 30 is compressed the shaft end of the axis, the frame body 50 is in the adjusting group
The direction for being detached from the axis towards the workpiece under the action of the adjusting force of part 30 it is mobile by the workpiece from the axis
It is upper to support, and then when mounting and dismounting electric machine assembly 90, active force when dismounting tooling installation or removal motor blower fan 93 is equal
It acts on motor shaft 91, and then stress between being held to avoid motor shaft 91 and motor shaft 91, electricity caused by avoiding thus
The big problem of machine vibration increase, motor abnormal sound, noise.Simultaneously when dismantling motor blower fan 93 by frame body 50 by motor blower fan 93 from
The problem of supporting on motor shaft 91, avoiding the deformation of 93 discontinuity equalization of motor blower fan, further improves in disassembly process
Quality.
To adjusting component 30 in this present embodiment, the adjusting component 30 includes the tune being threadedly coupled with the frame body 50
Main body is saved, the workpiece being mounted in the adjusting main body pushes against part, is removably mounted on the workpiece and pushes against part
On shaft end push against part；When installing the workpiece on the shaft, the clamp assemblies 10 clamp the axis, the shaft end
It pushes against part to remove from the workpiece, rotates the adjusting main body, so that the workpiece is pushed against part and compress and the axis
The workpiece that has been aligned of shaft end, keep the workpiece fixed on the shaft；The work is dismantled from the axis
When making component, the clamp assemblies 10 unclamp clamping, and shaft end abutting part is mounted on the workpiece and is pushed against on part, is adjusted
The adjusting component 30 is saved, so that the shaft end is pushed against the end face that part resists the axis, the frame body 50 is in the adjusting main body
Under the action of threading force, the direction for being detached from the axis towards institute's workpiece is mobile, and the workpiece is supported from the axis,
In specific works, adjusting component 30 can be according to being disassembly or installation motor blower fan 93, and shaft end fitting, which can be set, is
Workpiece fitting is mounted on still to split out from workpiece abutment.
Preferably, the shaft end pushes against part and is threadably mounted on the workpiece abutting part, and such shaft end pushes against part
It is convenient and efficient to dismount work.
Preferably, it further includes the adjusting spanner 331 being mounted on the adjusting stud 33 that the screw thread, which adjusts component 30, this
Sample is more laborsaving in adjustment process.
Specifically, adjusting main body described in the present embodiment is to adjust stud 33, and it is to be connected to that the workpiece, which pushes against part,
The connection pressure head 35 adjusted on stud 33, it is compression leg 37 that the shaft end, which pushes against part, the connection pressure head 35 and the compression leg
It is threaded connection between 37.
To clamp assemblies 10 in this present embodiment, the frame body 50 in the present embodiment is equipped at least two first screw threads
Hole, the clamp assemblies 10 include the threaded fastener being threadedly coupled with first threaded hole, and the threaded fastener passes through
The side wall that end resists the axis holds the axle clamp, and then 10 structure of entire clamp assemblies is simple, and clipping operation is convenient and efficient.
Specifically, first threaded hole is arranged around the notch 511, and first threaded hole penetrates the notch
511 side wall, and then threaded fastener can penetrate the motor shaft 91 that the side wall abutting of notch 511 is contained in notch 511.
Preferably, there are two first threaded hole is set, and the two sides of the notch 511, the screw-threaded coupling are divided into
Part is correspondingly provided with two, and the effect clamped in this way is more preferable.
To frame body 50 in this present embodiment, the frame body 50 includes the supporting plate 51 for offering the notch 511, opposite to set
Set the support plate 55 that both side plate 53 and both ends on the supporting plate 51 are connect with two side plates 53 respectively, the adjusting
Component 30 is arranged in the support plate 55.
Preferably, threaded hole is offered on the end of two side plates 53, the supporting plate 51 is connected by fastening screw
Installation on two side plates 53, in this way convenient for adjusting component 30.
Preferably, the support plate 55 at least one end extends to outside the side plate 53, the pick-and-place of tooling easy to disassemble in this way.
It is further illustrated below with reference to the course of work of the Fig. 2 to Fig. 4 to the dismounting tooling in the present embodiment:
The disassembly explanation of motor blower fan 93:
1, it when dismantling motor blower fan 93, needs to fit together all components；
2, when dismantling motor blower fan 93, the direction that 331 tightening direction of spanner is axially opposing motor blower fan 93 is adjusted；
3, it when dismantling motor blower fan 93, twists and adjusts palm until motor blower fan 93 is loosened from motor shaft 91,
At this time, it may be necessary to which dismantling spanner opposite direction is screwed to the position before disassembly, facilitates and take out motor blower fan 93 and tooling；
93 installation instructions of motor blower fan:
1, when motor blower fan 93 is installed, need to assemble other all components in addition to compression leg 37；
2, install motor blower fan 93 when, two lock-screws on supporting plate 51 must be locked first, prevent motor shaft 91 with
Axial displacement and sliding are generated between support；
3, when installing motor blower fan 93, wrench for dismounting tightening direction is the direction of axially opposing motor blower fan 93；
4, when installing motor blower fan 93, twist wrench for dismounting to 91 end face of motor shaft is concordantly with 35 lower end surface of pressure head is connect
Only；
Motor oscillating caused by this tool structure is solved because of manual mode demolition, installation motor blower fan 93 increases, motor abnormal sound, makes an uproar
Sound increase the problems such as, extend the service life of motor, facilitate motor, motor blower fan 93 maintenance, reprocess, from side improve
The overall quality of product.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (12)
1. the dismounting tooling of a kind of dismounting and the workpiece of axis interference fit characterized by comprising
Frame body (50) offers the notch (511) for being suitble to the axis to be radially inserted into thereon, and the notch (511) is not suitable for institute
Workpiece is stated to extend there through；
Clamp assemblies (10) are arranged on the frame body (50), for installing on the axis being embedded in the notch (511)
When the workpiece, the axis is clamped, prevents from sliding axially between the axis and the frame body (50)；
When adjusting component (30), be mounted on the frame body (50), and adjusting, the frame body (50) and the adjusting component (30)
Bracket can be relatively moved along the axial direction of the axis；
When installing the workpiece on toward the axis, the clamp assemblies (10) clamp the axis, adjust the adjusting component
(30), so that adjusting component (30) is compressed the workpiece being aligned with the shaft end of the axis, make the workpiece
It is fixed on the shaft；
When dismantling the workpiece from the axis, the clamp assemblies (10) unclamp clamping, adjust the adjusting component
(30), adjusting component (30) is made to compress the shaft end of the axis, the frame body (50) is in the adjusting for adjusting component (30)
The workpiece is supported out from the axis towards the direction movement that the workpiece is detached from the axis under the action of power.
2. the dismounting tooling of dismounting according to claim 1 and the workpiece of axis interference fit, which is characterized in that described
Adjusting component (30) includes the adjusting main body being threadedly coupled with the frame body (50), the work department being mounted in the adjusting main body
Part pushes against part, is removably mounted on the shaft end that the workpiece pushes against on part and pushes against part；
When installing the workpiece on the shaft, the clamp assemblies (10) clamp the axis, the shaft end push against part from
It is removed on the workpiece, rotates the adjusting main body, the workpiece abutting part is made to compress the shaft end pair with the axis
The quasi- good workpiece, keeps the workpiece fixed on the shaft；
When dismantling the workpiece from the axis, the clamp assemblies (10) unclamp clamping, and the shaft end is pushed against part peace
It is pushed against on part mounted in the workpiece, adjusts the adjusting component (30), the shaft end is made to push against the end that part resists the axis
Face, the frame body (50) under the action of the threading force for adjusting main body, move by the direction for being detached from the axis towards institute's workpiece
It is dynamic, the workpiece is supported from the axis.
3. the dismounting tooling of dismounting according to claim 1 and the workpiece of axis interference fit, which is characterized in that described
Frame body (50) is equipped at least two first threaded holes, and the clamp assemblies (10) include being threadedly coupled with first threaded hole
Threaded fastener, the threaded fastener are held the axle clamp by the side wall that end resists the axis.
4. the dismounting tooling of dismounting according to claim 3 and the workpiece of axis interference fit, which is characterized in that described
First threaded hole is arranged around the notch (511), and first threaded hole penetrates the side wall of the notch (511).
5. the dismounting tooling of dismounting according to claim 4 and the workpiece of axis interference fit, which is characterized in that described
There are two first threaded hole is set, and the two sides of the notch (511) are divided into, the threaded fastener is correspondingly provided with two.
6. the dismounting tooling of dismounting according to claim 2 and the workpiece of axis interference fit, which is characterized in that described
Shaft end pushes against part and is threadably mounted on the workpiece abutting part.
7. the dismounting tooling of dismounting according to claim 6 and the workpiece of axis interference fit, which is characterized in that described
Adjusting main body is to adjust stud (33), and it is the connection pressure head being connected on adjusting stud (33) that the workpiece, which pushes against part,
(35), it is compression leg (37) that the shaft end, which pushes against part, is threadedly coupled between the connection pressure head (35) and the compression leg (37).
8. the dismounting tooling of dismounting according to claim 7 and the workpiece of axis interference fit, which is characterized in that described
Adjusting component (30) further includes the adjusting spanner (331) being mounted on adjusting stud (33).
9. the dismounting tooling of dismounting according to claim 1 and the workpiece of axis interference fit, which is characterized in that described
Frame body (50) includes the supporting plate (51) for offering the notch (511), the both side plate being oppositely arranged on the supporting plate (51)
(53) and the support plate (55) that connect respectively with two side plates (53) of both ends, the adjusting component (30) are arranged described
In support plate (55).
10. the dismounting tooling of dismounting according to claim 9 and the workpiece of axis interference fit, which is characterized in that two
Threaded hole is offered on the end of the side plate (53), the supporting plate (51) is connected to two side plates by fastening screw
(53) on.
11. the dismounting tooling of dismounting according to claim 10 and the workpiece of axis interference fit, which is characterized in that institute
Support plate (55) at least one end is stated to extend outside to the side plate (53).
12. the dismounting tooling of dismounting according to any one of claim 1 to 11 and the workpiece of axis interference fit,
It is characterized in that, the axis is motor shaft (91), and the workpiece is motor blower fan (93) or gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805592.8A CN107516980B (en) | 2017-09-08 | 2017-09-08 | A kind of dismounting tooling of dismounting and the workpiece of axis interference fit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710805592.8A CN107516980B (en) | 2017-09-08 | 2017-09-08 | A kind of dismounting tooling of dismounting and the workpiece of axis interference fit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107516980A CN107516980A (en) | 2017-12-26 |
| CN107516980B true CN107516980B (en) | 2019-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710805592.8A Active CN107516980B (en) | 2017-09-08 | 2017-09-08 | A kind of dismounting tooling of dismounting and the workpiece of axis interference fit |
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| CN (1) | CN107516980B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205992839U (en) * | 2016-08-28 | 2017-03-01 | 宜昌博远电子有限公司 | Universal conventional table tool for micro-motor rotor processing |
| CN107104563A (en) * | 2017-06-23 | 2017-08-29 | 长沙无道工业设计有限公司 | A kind of voltage plastic package motor rotor enters axle and moves back axle dual-purpose apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4013485B2 (en) * | 2001-02-16 | 2007-11-28 | 日本ビクター株式会社 | Shaft insertion device |
| CN106475954A (en) * | 2015-08-24 | 2017-03-08 | 上海五钢设备工程有限公司 | Suspension type electric machines for roller dismantling device and its assembly and disassembly methods |
| CN106671023B (en) * | 2016-12-27 | 2019-09-20 | 中国航发南方工业有限公司 | Bearing disassembling device |
-
2017
- 2017-09-08 CN CN201710805592.8A patent/CN107516980B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205992839U (en) * | 2016-08-28 | 2017-03-01 | 宜昌博远电子有限公司 | Universal conventional table tool for micro-motor rotor processing |
| CN107104563A (en) * | 2017-06-23 | 2017-08-29 | 长沙无道工业设计有限公司 | A kind of voltage plastic package motor rotor enters axle and moves back axle dual-purpose apparatus |
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| CN107516980A (en) | 2017-12-26 |
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