CN206317013U - A kind of bearing puller assembled for aero-engine - Google Patents
A kind of bearing puller assembled for aero-engine Download PDFInfo
- Publication number
- CN206317013U CN206317013U CN201621431227.2U CN201621431227U CN206317013U CN 206317013 U CN206317013 U CN 206317013U CN 201621431227 U CN201621431227 U CN 201621431227U CN 206317013 U CN206317013 U CN 206317013U
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- CN
- China
- Prior art keywords
- bearing
- screw
- engine
- card
- aero
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The utility model discloses a kind of bearing puller assembled for aero-engine, the bearing puller includes taking over a business, screw-thread bush, housing screw, anti-turn screw, card pulls out part and fulcrum bearing, the screw-thread bush is arranged in fulcrum bearing, housing screw is threaded into screw-thread bush, and the lower end of housing screw is with taking over a business to be connected, the card pulls out part in fulcrum bearing, and card pull out on part be located at fulcrum bearing above use nut check, fulcrum bearing side is additionally provided with anti-rotation handle, the card pulls out section upper and is also equipped with pin handle, the card, which pulls out part, includes bar portion, frustum and block portion, wherein frustum is arranged at bar portion lower end, block portion is arranged on bar portion bottom, and above frustum.The utility model can be decomposed in aero-engine in smaller space to bearing, and the technical problem of bearing decomposition can not be carried out in the smaller space of new work engine by solving existing puller；Because claw is placed in supporting disk, engine part of damaging is difficult during operation.
Description
Technical field
The utility model belongs to aero-engine manufacturing technology field, specifically related to a kind of to be used for what aero-engine was assembled
Bearing puller.
Background technology
In aero-engine assembling, existing bearing puller mainly has point valve jack catchs type or along bearing pin revotating card claw.Such as
Shown in Fig. 1, along the structure of bearing pin revotating card claw puller it is main by rotary pawl 1, take over a business 2, screw-thread bush 3, supporting disk 4, pressure
Tight screw 5, anti-turn screw 6, spring screw 7, bearing pin 8 and spring 9 are constituted.Claw 1 can rotate around bearing pin 8, hence into axle
Hold 15 bottoms and carry out micromotion, bearing 15 is extracted.In the case where operating space size K is sufficiently large, existing point of valve claw
Tool can be met the decomposition requirement of engine bearing by formula along bearing pin revotating card claw.But in the assembling of certain new work engine,
Due to operating space size K very littles, therefore divide valve jack catchs type or tool can not be completed the decomposition of bearing along bearing pin revotating card claw
Work.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of bearing puller assembled for aero-engine.
The utility model is achieved by the following technical programs.
It is a kind of for aero-engine assemble bearing puller, including take over a business, screw-thread bush, housing screw, anti-turn screw,
Card pulls out part and fulcrum bearing, and the screw-thread bush is arranged in fulcrum bearing, and housing screw is threaded into screw-thread bush,
And the lower end of housing screw is with taking over a business to be connected, the card pulls out part in fulcrum bearing, and is pulled out in card on part positioned at fulcrum bearing
Top uses nut check, and the fulcrum bearing side is additionally provided with anti-rotation handle.
The card pulls out section upper and is also equipped with pin handle.
The card, which pulls out part, includes bar portion, frustum and block portion, and wherein frustum is arranged at bar portion lower end, and block portion is arranged on bar portion
Bottom, and above frustum.
The block portion upper surface is arranged to the conical surface.
Side is provided with the block portion.
The fulcrum bearing is provided with one group of hole.
It is located in the fulcrum bearing below hole and is provided with type groove.
A kind of method that bearing decomposition is carried out using bearing puller as described above, its specific method step is as follows：
(1) bearing puller is installed：By screw-thread bush and anti-turn screw in fulcrum bearing, and housing screw is threaded into
In bushing, then housing screw is screwed in, card pulls out part and loaded from fulcrum bearing, then is screwed into nut and loading pin handle,
In the respective aperture that anti-rotation handle is set in fulcrum bearing, and anti-rotation handle and fulcrum bearing are welded and fixed.
(2) bearing is decomposed：After the bearing puller in step (1) is installed, rotate counterclockwise pin handle and card is pulled out into part
Block portion is transferred in fulcrum bearing in type groove, and whole fulcrum bearing then is put into relevant position in engine, after being put into place, clockwise
Rotate pin handle rotation card and pull out part, make the claw side that card pulls out part against the groove side A in type groove in fulcrum bearing, tighten spiral shell
Mother, hand holds anti-rotation handle i.e. rotatable housing screw and bearing is decomposed.
The beneficial effects of the utility model are：
Compared with prior art, the utility model can be decomposed in aero-engine in smaller space to bearing, solution
Existing puller of having determined can not carry out the technical problem of bearing decomposition in the smaller space of new work engine.And because claw is placed in
In supporting disk, engine part of damaging is difficult during operation.
Brief description of the drawings
Fig. 1 is the structural representation of existing puller；
Fig. 2 is structural representation of the present utility model；
Fig. 3 is the front view of claw in the utility model；
Fig. 4 is Fig. 3 A-A direction views；
Fig. 5 is the sectional view of supporting disk in the utility model；
Fig. 6 is B in Fig. 5 to close-up schematic view.
In figure：1- rotary pawls, 2- takes over a business, 3- screw-thread bushes, 4- supporting disks, 5- housing screws, 6- anti-turn screws, 7- bullets
Spring screw, 8- bearing pins, 9- springs, 10- cards pull out part, 11- fulcrum bearings, 12- anti-rotation handles, 13- nuts, 14- pin handles, 15- axles
Hold, 101- frustums, the 102- conical surfaces, 103- bar portions, 104- claws side, 105- block portions, 111- holes, 112- type grooves, 1121- grooves side
Side A, 1122- groove side B.
Embodiment
Be described further below the technical solution of the utility model, but claimed scope be not limited to it is described.
As shown in Fig. 2 a kind of bearing puller assembled for aero-engine described in the utility model, including take over a business 2,
Screw-thread bush 3, housing screw 5, anti-turn screw 6, card pull out part 10 and fulcrum bearing 11, and the screw-thread bush 3 is arranged on fulcrum bearing
On 11, housing screw 5 is threaded into screw-thread bush 3, and the lower end of housing screw 5 is connected with taking over a business 2, and the card is pulled out
Part 10 is mounted in fulcrum bearing 11, and is pulled out in card and be located on part 10 top of fulcrum bearing 11 and locked using nut 13, the supporting
11 sides of seat are additionally provided with anti-rotation handle 12；The card pulls out the top of part 10 and is also equipped with pin handle 14.The utility model is being installed
When, card is pulled out into part 10 and loaded from fulcrum bearing 11, then screws on nut 13 and loads pin handle 14, screw-thread bush 3, anti-turn screw 6
In fulcrum bearing 11, housing screw 5 is threaded into bushing 3, and screwed in 2, card pulls out part 10 from fulcrum bearing 11
It is middle to load, then be screwed into nut 13 and load pin handle 14, in the respective aperture that anti-rotation handle 12 is set in fulcrum bearing 11, and will be anti-
Handle 12 is changed hands to be welded and fixed with fulcrum bearing 11.
As shown in Figure 3, Figure 4, the card, which pulls out part 10, includes bar portion 103, frustum 101 and block portion 105, wherein frustum 101
The lower end of bar portion 103 is arranged at, block portion 105 is arranged on the bottom of bar portion 103, and positioned at the top of frustum 101.Using the technical program,
By frustum 101 card can be kept to pull out relevant position of the part 10 in neck below bearing 15, convenient card pulls out the entrance of part 10 and pulled out
The neck of bearing 15.
The upper surface of block portion 105 is arranged to the conical surface 102.The intensity that card pulls out part 10 can be increased by the conical surface 102.
Side 104 is provided with the block portion 105；Side 104 can pull out 10 anti-rotation stopping functions of part to card.
As shown in Figure 5, Figure 6, the fulcrum bearing 11 is provided with one group of hole 111；Card can have both been allowed to pull out by setting one group of hole 111
Part 10 is rotated in hole 111 around own axes, and card can be allowed to pull out the bar portion 103 on part 10 again and be close to, prevent that card from pulling out portion
Part 10 is made a concession and deformed；It is located at the lower section of hole 111 in the fulcrum bearing 11 and is provided with type groove 112, so, the groove side in type groove 112
Side A1121 can block card and pull out claw side 104 on part 10, prevent that card pulls out part 10 when decomposing bearing and rotate, type groove 112
In groove side B1122 it is distant, pull out the slot milling of part 10 to card, so that card pulls out going back to for the block portion 105 of part 10, be easy to
Puller is put into engine and taken out.
The utility model when mounted, by screw-thread bush 3 and anti-turn screw 6 in fulcrum bearing 11, and by housing screw 5
It is threaded into bushing 3, then screws in housing screw 5 take over a business in 2, card pulls out part 10 and loaded from fulcrum bearing 11, then is screwed into
In nut 13 and loading pin handle 14, the respective aperture that anti-rotation handle 12 is set in fulcrum bearing 11, and by anti-rotation handle 12 with propping up
Bearing 11 is welded and fixed.
The utility model when in use, rotates counterclockwise pin handle 14 card can be pulled out to the block portion 105 of part 10 and be transferred to fulcrum bearing
On 11 in type groove 112, whole fulcrum bearing 11 is then put into relevant position in engine, in place after, rotate clockwise pin handle 14
Card can be pulled out to part 10 to rotate, card is pulled out the claw side 104 of part 10 against the groove side in type groove 112 in fulcrum bearing 11
A1121, tightens nut 13.Hand holds the i.e. rotatable housing screw 5 of anti-rotation handle 12 and carries out bearing decomposition.
Claims (7)
1. a kind of bearing puller assembled for aero-engine, it is characterised in that：Including taking over a business (2), screw-thread bush (3), pressure
Tight screw (5), anti-turn screw (6), card pull out part (10) and fulcrum bearing (11), and the screw-thread bush (3) is arranged on fulcrum bearing
(11) on, housing screw (5) is threaded into screw-thread bush (3), and the lower end of housing screw (5) is with taking over a business (2) phase
Connect, the card pulls out part (10) in fulcrum bearing (11), and the use above fulcrum bearing (11) on part (10) is pulled out in card
Nut 13 is locked, and the fulcrum bearing (11) is additionally provided with anti-rotation handle (12) sideways.
2. a kind of bearing puller assembled for aero-engine as claimed in claim 1, it is characterised in that：The card pulls out portion
Part (10) top is also equipped with pin handle (14).
3. a kind of bearing puller assembled for aero-engine as claimed in claim 1, it is characterised in that：The card pulls out portion
Part (10) includes bar portion (103), frustum (101) and block portion (105), and wherein frustum (101) is arranged at bar portion (103) lower end, block
Portion (105) is arranged on bar portion (103) bottom, and above frustum (101).
4. a kind of bearing puller assembled for aero-engine as claimed in claim 3, it is characterised in that：The block portion
(105) upper surface is arranged to the conical surface (102).
5. a kind of bearing puller assembled for aero-engine as claimed in claim 3, it is characterised in that：The block portion
(105) side (104) is provided with.
6. a kind of bearing puller assembled for aero-engine as claimed in claim 1, it is characterised in that：The fulcrum bearing
(11) provided with one group of hole (111).
7. a kind of bearing puller assembled for aero-engine as claimed in claim 1, it is characterised in that：The fulcrum bearing
(11) it is located on below hole (111) and is provided with type groove (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621431227.2U CN206317013U (en) | 2016-12-23 | 2016-12-23 | A kind of bearing puller assembled for aero-engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621431227.2U CN206317013U (en) | 2016-12-23 | 2016-12-23 | A kind of bearing puller assembled for aero-engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206317013U true CN206317013U (en) | 2017-07-11 |
Family
ID=59258906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621431227.2U Expired - Fee Related CN206317013U (en) | 2016-12-23 | 2016-12-23 | A kind of bearing puller assembled for aero-engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206317013U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514550A (en) * | 2016-12-23 | 2017-03-22 | 贵州黎阳航空动力有限公司 | Bearing puller used for aero-engine assembling and bearing disassembling method |
-
2016
- 2016-12-23 CN CN201621431227.2U patent/CN206317013U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106514550A (en) * | 2016-12-23 | 2017-03-22 | 贵州黎阳航空动力有限公司 | Bearing puller used for aero-engine assembling and bearing disassembling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170711 Termination date: 20201223 |