CN207720004U - A kind of rotor mounting tool of magneto - Google Patents
A kind of rotor mounting tool of magneto Download PDFInfo
- Publication number
- CN207720004U CN207720004U CN201721409106.2U CN201721409106U CN207720004U CN 207720004 U CN207720004 U CN 207720004U CN 201721409106 U CN201721409106 U CN 201721409106U CN 207720004 U CN207720004 U CN 207720004U
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- China
- Prior art keywords
- rotor
- magneto
- pedestal
- extending shaft
- driving plate
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Abstract
The utility model discloses a kind of rotor mounting tools of magneto, the tooling is for the rotor to be installed in the lower bearing of magneto, including extending shaft, pedestal, dismounting set, driving plate and limited block, pedestal is fixedly connected with the bottom end cover in the magneto, the top of extending shaft and the rotor threads of magneto connect, the bottom end of extending shaft is along the axis direction of pedestal through pedestal, dismounting external threading is connected on pedestal, driving plate is fixed on the lower face of dismounting set, and one end of driving plate is connected on extending shaft, limited block is fixed on the upper surface of dismounting set, and one end of limited block stretches in base outer wall, rotation dismounting set, driving plate drives downwards extending shaft, rotor is dragged under extending shaft, and rotor is installed to lower bearing;The utility model reaches rotor and is positioned with lower bearing inner ring, and provide tractive force needed for rotor assembly by a set of tooling.
Description
Technical field:
The utility model is related to a kind of rotor mounting tools of magneto.
Background technology:
When magneto installs rotor, due to the attraction of rotor 200 and stator 300, rotor and bearing inner race (upper bearing (metal)
400 with lower bearing 500) orientation problem it is often more intractable, once rotor 200 and bearing inner race generate collision (or not
Accurately to the heart under the premise of by force assemble), it is likely that bearing can be damaged, for angular contact bearing.
For ease of installation, after existing assembling scheme typically first assembles rotor and the bearing of certain one end in place, then into
The installation of another end bearing of row.I.e.:
1) rotor 200 first assembles rotor 200, upper bearing (metal) 400, top chock and upper end cover before being inserted into stator 300
It is fixed, it is ensured that with upper bearing (metal) 400 relative motion will not occur for rotor 200;2) then, by lower bearing 500, bottom end cover 600 and
Step is assemblied on motor case.3) lift again 1) in complete assembly rotor 200, upper bearing (metal) 400, top chock and
Motor upper cover component makes rotor 200 pass through stator 300, completes to assemble with lower bearing 500, such as Fig. 1.Due to rotor 200 with
The assembly of upper and lower bearing is higher to positioning accuracy request, and above-mentioned three steps installation method can need essence simultaneously to avoid bearings at both ends
The case where determining position.
However when using aforesaid way assembly rotor, problems with is inevitably encountered:1) rotor 200 and lower bearing
500 orientation problem, 2) rotor 200 is when completing to be positioned into lower bearing 500, since rotor 200 and lower bearing 500 are inevitable
Be the matching relationship of slight interference, need the frictional resistance for overcoming assembling process, 3) rotor 200 is reaching correct with lower bearing 500
No more than limit after rigging position.Therefore it needs a kind of tooling to solve the problems, such as above-mentioned three kinds, makes to turn accurately to be assembled to down from 200
In bearing 500.
Utility model content:
The utility model is to provide a kind of rotor peace of magneto to solve the above-mentioned problems of the prior art
Fill tooling.
Technical solution used by the utility model has:A kind of rotor mounting tool of magneto, which is used for will
The rotor is installed in the lower bearing of magneto, including extending shaft, pedestal, dismounting set, driving plate and limited block, pedestal with
Bottom end cover in the magneto is fixedly connected, and the top of extending shaft and the rotor threads of magneto connect, extending shaft
Bottom end is along the axis direction of pedestal through pedestal, and dismounting external threading is connected on pedestal, and driving plate is fixed on dismounting set
On lower face, and one end of driving plate is connected on extending shaft, and limited block is fixed on the upper surface of dismounting set, and limited block
One end stretches in base outer wall, and rotation dismounting set, driving plate drives downwards extending shaft, rotor dragged under extending shaft, and rotor is pacified
It is filled in lower bearing;
The extending shaft includes axis body, threaded joints and the prismoid section with small end face and large end face, the axis body
Left end is fixedly connected with the small end face of prismoid section, and threaded joints are fixedly connected on the circle centre position of large end face in prismoid section.
Further, in the prismoid section small end face diameter be greater than or equal to axis body diameter.
Further, the axis body is equipped with the first card slot for being clamped driving plate.
Further, the driving plate includes the plate body of two semicircle shapes, and the second card slot is equipped in the circle centre position of plate body.
Further, the outer circle wall of the pedestal is equipped with limiting groove.
Further, the limited block includes the ontology of a strip, and the upper and lower ends of ontology are rolled over for 90 ° in the opposite direction
It is curved, and upper end forms position-limited edge, lower end forms connection side, and the position-limited edge stretches in limiting groove.
Further, the upper surface of the pedestal is equipped with boss portion.
Further, it is welded with rotary handle on the outer wall of the dismounting set.
The utility model has the advantages that:
1) it prevents rotor in assembling process, may attract each other caused collision with stator.Because pedestal with prolong
Small―gap suture cooperation between long axis, so extending shaft can be free to slide upwards in pedestal inner shaft, but it is radial can not be larger
Offset, to prevent the collision of rotor and stator.
It 2) being capable of guided rotor and lower bearing completion positioning.Because one end that extending shaft is connect with rotor, there are certain cones
It spends (prismoid section), the size of prismoid section large end face is more than axis body, is slightly less than the size of armature spindle socket end, although axis body size is less than
Lower bearing inner ring cannot achieve centering and require, but can gradually be guided rotor to lower axle by the prismoid section on extending shaft
Center is held to realize centering demand.It is since extending shaft and rotor itself installation are deposited why to be slightly less than the size of armature spindle socket end
In certain position error, extending shaft under the enough guided rotor entrance of the chamfering of the taper fit rotor tip of prismoid section
Bearing.
3) can be that rotor assembly provides enough tractive force in place after guided rotor and lower bearing complete centering.Turn
Next son needs to overcome frictional resistance caused by elastic conjunction after accurately feeling relieved with lower bearing, at this time dismounting set and base
Screw thread between seat can efficiently transmit the drag force overcome needed for frictional force.To avoid striking pound rotor bearing is generated it is broken
It is bad.
Description of the drawings:
Fig. 1 is the assembling schematic diagram of rotor and upper and lower bearing in the prior art.
Fig. 2 and Fig. 3 is that rotor is assembled the structure chart on lower bearing by the utility model mounting tool.
Fig. 4 is the structure chart of extending shaft in the utility model.
Fig. 5 is the structure chart of driving plate in the utility model.
Fig. 6 is the structure chart of limited block in the utility model.
Fig. 7 is the structure chart of pedestal in the utility model.
Specific implementation mode:
The utility model will be further described below with reference to the accompanying drawings.
As shown in Figures 2 and 3, the utility model discloses a kind of rotor mounting tool of magneto, which is used for will
Rotor 200 is installed in the lower bearing 500 of magneto, including extending shaft 1, pedestal 2, dismounting set 3, driving plate 4 and limited block
5, pedestal 2 is fixedly connected by screw with the bottom end cover 600 in magneto, the lower face on the top and rotor 200 of extending shaft 1
It is threadedly coupled, along the axis direction of pedestal 2 through pedestal 2, dismounting set 3 is threaded in pedestal 2 for the bottom end of extending shaft 1
On, driving plate 4 is fixed on the lower face of dismounting set 3, and one end of driving plate 4 is connected on extending shaft 1, and limited block 5 is fixed
In on the upper surface of dismounting set 3, and one end of limited block 5 stretches on 2 outer wall of pedestal.
Such as Fig. 4, extending shaft 1 includes axis body 11, threaded joints 12 and the prismoid section 13 with small end face and large end face, axis
The left end of body 11 is fixedly connected with the small end face of prismoid section 13, and threaded joints 12 are fixedly connected on large end face in prismoid section 13
Circle centre position.
The diameter of large end face is slightly less than the diameter of 200 bottom surface of rotor (i.e. armature spindle socket end) in prismoid section 13;Prismoid section 13
The diameter of middle small end face is greater than or equal to the diameter of axis body 11.
The first card slot 14 for being clamped driving plate 4 is equipped on axis body 11, driving plate 4 is connected in first card slot 14
It is interior.
Such as Fig. 5, driving plate 4 includes the plate body 41 of two semicircle shapes, and the second card slot 42 is equipped in the circle centre position of plate body 41, the
Two draw-in groove 42 is connected in the first card slot 14, and clearance fit between the second card slot 42 and the first card slot 14.
Limiting groove 21 is equipped on the outer circle wall of pedestal 2, limiting groove 21 and limited block 5 cooperate, for pair
The movement travel of extending shaft 1 is limited, so that rotor 200 is accurately assembled in lower bearing 500.
Such as Fig. 6, limited block 5 includes the ontology 51 of a strip, and the upper and lower ends of ontology 51 are rolled over for 90 ° in the opposite direction
It is curved, and upper end forms position-limited edge 53, lower end forms connection side 52, and position-limited edge 53 stretches in limiting groove 21.
As Fig. 7 is equipped with boss portion 22 for ease of preferably being limited to lower bearing 500 in the upper surface of pedestal 2.
For ease of rotation dismounting set 3, rotary handle 31 is welded on the outer wall of rotation dismounting set 3.
In use, pedestal 2 is fixed on bottom end cover 600, and the boss portion 22 on pedestal 2 is contradicted in lower bearing
On 500 inner ring, extending shaft 1 is threaded on the bottom surface of rotor 200, and the prismoid section 13 of extending shaft 1 is placed in down
In bearing 500, limited block 5 is pushed into the top of limiting groove 21, driving plate 4 then will be connect and is fixed on the lower end that dismounting covers 3
On face, and driving plate 4 is connected in the first card slot 14 of extending shaft 1.Rotary handle 31 is rotated, so that dismounting set 3 is driven and prolongs
Long axis 1, guided rotor 200 continue to move downward.Boss portion 22 on pedestal 2 withstands the inner ring of lower bearing 500, avoids filling
With in the process, downward power is born in the outer ring of lower bearing 500, in turn results in the damage of lower bearing.
Rotation can effectively transmit downward power to dismounting set 3 on the base 2, make rotor 200 that resistance be overcome to move downward;
Prismoid section 13 on extending shaft 1 can complete the centering with 500 inner ring of lower bearing with guided rotor 200, and due to prismoid section 13
The size for being dimensioned slightly smaller than bearing inner race of large end face, therefore prismoid section 13 itself not will produce additional assembly resistance.Limited block 5
It is used cooperatively with limiting groove 21, after the assembly in place of rotor 200 can be made, prevents the inner ring of rotor conquassation lower bearing 500.
It when limited block 5 covers stroke, that is, represents the assembly of rotor 200 in place, removes driving plate 4, dismounting set 3 successively at this time,
Limited block 5, pedestal 2 finally remove extending shaft 1, and installation bearing cover completes rotor installation.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
It for art personnel, can also make several improvements without departing from the principle of this utility model, these improvement also should be regarded as
The scope of protection of the utility model.
Claims (8)
1. a kind of rotor mounting tool of magneto, which is used to the rotor being installed on the lower bearing of magneto
It is interior, it is characterised in that:Including extending shaft(1), pedestal(2), dismounting set(3), driving plate(4)And limited block(5), pedestal(2)With
Bottom end cover in the magneto is fixedly connected, extending shaft(1)Top and magneto rotor threads connect, extending shaft
(1)Bottom end along pedestal(2)Axis direction through pedestal(2), dismounting set(3)It is threaded in pedestal(2)On, driving
Plate(4)It is fixed on dismounting set(3)Lower face on, and driving plate(4)One end be connected in extending shaft(1)On, limited block(5)Gu
It is covered due to dismounting(3)Upper surface on, and limited block(5)One end stretch in pedestal(2)On outer wall, rotation dismounting set(3), driving
Plate(4)Driving extending shaft downwards(1), extending shaft(1)Under drag rotor, and rotor is installed to lower bearing;
The extending shaft(1)Including axis body(11), threaded joints(12)With the prismoid section with small end face and large end face(13),
The axis body(11)Left end and prismoid section(13)Small end face be fixedly connected, threaded joints(12)It is fixedly connected on prismoid section
(13)The circle centre position of middle large end face.
2. the rotor mounting tool of magneto as described in claim 1, it is characterised in that:The prismoid section(13)Middle small end
The diameter in face is greater than or equal to axis body(11)Diameter.
3. the rotor mounting tool of magneto as described in claim 1, it is characterised in that:The axis body(11)It is equipped with and uses
In clamping driving plate(4)The first card slot(14).
4. the rotor mounting tool of magneto as described in claim 1, it is characterised in that:The driving plate(4)Including two
The plate body of a semicircle shape(41), in plate body(41)Circle centre position be equipped with the second card slot(42).
5. the rotor mounting tool of magneto as described in claim 1, it is characterised in that:The pedestal(2)Excircle
Wall is equipped with limiting groove(21).
6. the rotor mounting tool of magneto as claimed in claim 5, it is characterised in that:The limited block(5)Including one
The ontology of strip(51), ontology(51)Upper and lower ends 90 ° of bendings in the opposite direction, and upper end formed position-limited edge(53),
Lower end forms connection side(52), the position-limited edge(53)Stretch in limiting groove(21)It is interior.
7. the rotor mounting tool of magneto as described in claim 1, it is characterised in that:The pedestal(2)Upper surface
Equipped with boss portion(22).
8. the rotor mounting tool of magneto as described in claim 1, it is characterised in that:The dismounting set(3)Outer wall
On be welded with rotary handle(31).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721409106.2U CN207720004U (en) | 2017-10-30 | 2017-10-30 | A kind of rotor mounting tool of magneto |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721409106.2U CN207720004U (en) | 2017-10-30 | 2017-10-30 | A kind of rotor mounting tool of magneto |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207720004U true CN207720004U (en) | 2018-08-10 |
Family
ID=63060593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721409106.2U Active CN207720004U (en) | 2017-10-30 | 2017-10-30 | A kind of rotor mounting tool of magneto |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207720004U (en) |
-
2017
- 2017-10-30 CN CN201721409106.2U patent/CN207720004U/en active Active
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: No. 99, Jinxin Middle Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Cigu Technology Co., Ltd Address before: Nine No. 211102 Bamboo Road, Jiangning Development Zone, Nanjing, Jiangsu, 100 Patentee before: NANJING CIGU LIMITED Corp. |
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CP03 | Change of name, title or address |