CN107160329A - Forced bush mounting tool and its application method - Google Patents
Forced bush mounting tool and its application method Download PDFInfo
- Publication number
- CN107160329A CN107160329A CN201710623565.9A CN201710623565A CN107160329A CN 107160329 A CN107160329 A CN 107160329A CN 201710623565 A CN201710623565 A CN 201710623565A CN 107160329 A CN107160329 A CN 107160329A
- Authority
- CN
- China
- Prior art keywords
- guide shaft
- auricle
- diameter
- centring ring
- nut
- 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.)
- Pending
Links
Classifications
-
- 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
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/06—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races
- B25B27/062—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting or withdrawing sleeves or bearing races using screws
Abstract
The present invention relates to a kind of forced bush mounting tool, stepped guide shaft through part auricle is provided with support set, one end of support set is supported on the limiting stand of guide shaft, the other end is supported on the end face of part auricle, and support set is provided with groove, groove diameter is consistent with part auricle through-hole diameter；Constituted in guide shaft through the end of part auricle provided with gland, gland constitutes one end and contacted with mounted bushing, and the other end is contacted with nut, external screw thread is provided with the front end of guide shaft, nut coordinates with external screw thread screw thread；The handle of guide shaft is provided through in the rear end of guide shaft.Bushing is pressed into product by the clamping force that the instrument is produced when being tightened using nut, completes the installation of bushing, and installation accuracy requirement can be met again by neither destroying bushing.
Description
Technical field
The present invention relates to a kind of forced bush mounting tool and its application method, belong to high-precision bushing and backman is installed
Dress field.
Background technology
The central sill wing auricle joint of hanging need to install a pair of finished product bushings, and requirement can not damage bushing in installation process
Original precision, simultaneously for the axiality and perpendicularity for installing back bush hole, it is desirable to which control is in certain accuracy rating, and this is to lining
The installation of set brings very big challenge.Current aircraft industry is typically first used for the installation of high-precision bushing and draws rifle by semi-finished product
Bushing is installed in target hole, then the secondary operation such as is expanded semi-finished product bushing, cut with scissors to reach precision prescribed；Or use liquid nitrogen
Bushing is installed into product by the method for shrinkage.This two methods has some limitations, it is impossible to be used under the conditions of such a
Bushing is installed.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of forced bush mounting tool and its application method, the instrument
Bushing is pressed into product by the clamping force produced when being tightened using nut, completes the installation of bushing, and neither destroying bushing again can be full
Sufficient installation accuracy requirement.
To solve problem above, concrete technical scheme of the invention is as follows：A kind of forced bush mounting tool, through zero
The stepped guide shaft of part auricle is provided with support set, and one end of support set is supported on the limiting stand of guide shaft, other end support
On the end face of part auricle, and support set is provided with groove, and groove diameter is consistent with part auricle through-hole diameter；Worn in guide shaft
The end for crossing part auricle is constituted provided with gland, and gland constitutes one end and contacted with mounted bushing, and the other end is contacted with nut,
The front end of guide shaft is provided with external screw thread, and nut coordinates with external screw thread screw thread；The handle of guide shaft is provided through in the rear end of guide shaft.
Described gland composition structure is that thrust bearing is provided with gland, back-up ring is connected by screw in the end face of gland,
Thrust bearing outer face is contacted with the inner surface of back-up ring, and the diameter of bore of back-up ring is more than nut excircle, and nut end face is with pushing away
Power bearing face is contacted.
The shaft section diameter of described guide shaft through part auricle is less than the diameter of bore for being mounted bushing, in part auricle
Centring ring is provided with through hole, centring ring internal diameter is consistent with the shaft end diameter, the through-hole diameter one of centring ring external diameter and part auricle
Cause.
Part auricle front end face is stretched out in the front end of described centring ring, and the external part excircle of centring ring is provided with annular groove.
The axiality of described centring ring and the through hole of part auricle is less than or equal to 0.15mm.
Press-fit the method for bushing using described instrument, comprise the following steps：
1）Nut, gland composition and the centring ring on lower leading axle are unloaded, and the front end of guide shaft is passed through out of part auricle through hole；
2）One end of support set is supported on the limiting stand of guide shaft, the other end is supported on the side end face of part auricle；
3）In the through hole that centring ring is inserted to part auricle, while endoporus coordinates with guide shaft, then mounted bushing one end is put
Put on the annular groove of centring ring, the other end for being mounted bushing is fitted with gland composition；
4）The handle that guide shaft end is set is fixed, and nut is screwed in the screw thread of guide shaft front end, and constantly rotation is constituted in gland
It is mounted bushing under pressure to progress under the guide effect of centring ring in the through hole of part auricle, until completely having press-fited
Into.
The forced bush mounting tool is supported using support set in the side of part auricle, and opposite side passes through nut
With the revolving force of screw thread, gradually apply uniform pressure to being mounted bushing, so that mounted bushing is pressed into the logical of part auricle
In hole.
Gland composition uses built-in thrust bearing, so that the revolving force of nut is changed into axis thrust, prevents
Gland rotates.
Centring ring is set in part auricle through hole, centring ring plays a part of positioning and guiding, it is ensured that back bush hole is installed
Axiality and perpendicularity.
The external part excircle of centring ring is provided with annular groove, has also carried out spacing to the inner periphery for being mounted bushing, has more protected
The installation accuracy of bushing is demonstrate,proved.
The axiality of centring ring and the through hole of part auricle is less than or equal to 0.15mm, it is ensured that the perpendicularity requirement of installation.
Press-fit the method for bushing using described instrument, the axiality essence in auricle upper bushing hole after being installed using above-mentioned steps
Degree control is within φ 0.15mm, and busing axis and the perpendicularity precision of auricle plane are not more than 0.04mm.
Brief description of the drawings
Fig. 1 is the structural representation of forced bush mounting tool.
Embodiment
As shown in figure 1, a kind of forced bush mounting tool, the stepped guide shaft 1 through part auricle 11 is provided with
Support set 8, one end of support set 8 is supported on the limiting stand of guide shaft 1, and the other end is supported on the end face of part auricle 11, and
Support set 8 is provided with groove, and groove diameter is consistent with the through-hole diameter of part auricle 11；The end of part auricle 11 is passed through in guide shaft 1
Portion is provided with gland composition 12, and gland constitutes 12 one end and contacted with mounted bushing 10, and the other end is contacted with nut 2, in guide shaft 1
Front end is provided with external screw thread, and nut 2 coordinates with external screw thread screw thread；The handle 9 of guide shaft 1 is provided through in the rear end of guide shaft 1.
Described gland composition structure is that thrust bearing 6 is provided with gland 5, is connected in the end face of gland 5 by screw 3
Back-up ring 4, the outer face of thrust bearing 6 is contacted with the inner surface of back-up ring 4, and the diameter of bore of back-up ring 4 is more than the excircle of nut 2, and spiral shell
Female 2 end faces and the end contact of thrust bearing 6.
The shaft section diameter of described guide shaft 1 through part auricle 11 is less than the diameter of bore for being mounted bushing 10, in part
Centring ring 7 is provided with the through hole of auricle 11, the internal diameter of centring ring 7 is consistent with the shaft end diameter, the external diameter of centring ring 7 and part auricle 11
Through-hole diameter it is consistent.
The front end face of part auricle 11 is stretched out in the front end of described centring ring 7, and the external part excircle of centring ring 7 is provided with ring
Groove.
The axiality of described centring ring 7 and the through hole of part auricle 11 is less than or equal to 0.15mm.
Press-fit the method for bushing using above-mentioned instrument, comprise the following steps：
1）Unload nut 2, gland composition 12 and the centring ring 7 on lower leading axle 1, and the leading to from part auricle 11 by the front end of guide shaft 1
Passed through in hole；
2）On the limiting stand that one end of support set 8 is supported on to guide shaft 1, the other end is supported on the side end face of part auricle；
3）In the through hole that centring ring 7 is inserted to part auricle 11, while endoporus coordinates with guide shaft 1, then by mounted bushing 10
One end is placed on the annular groove of centring ring, and the other end for being mounted bushing 10 is fitted with gland composition 12；
4）The handle 9 that the end of guide shaft 1 is set is fixed, and nut 2 is screwed in the screw thread of the front end of guide shaft 1, constantly rotation, in gland group
Bushing 10 is mounted under into 12 pressure to progress under the guide effect of centring ring 7 in the through hole of part auricle 11, until
Press-fit completion completely.
, should be provided with support in the rear end of guide shaft 1, it is ensured that the axiality of guide shaft 1 and part auricle for press-fiting an auricle,
The two group auricles paired for press-fiting, can be consistent with the diameter of part auricle by the rear end diameter of guide shaft 1, and the auricle of rear end is played
Support the effect of guide shaft 1.Similarly, for multigroup auricle, it can each two auricle be successively one group, install successively.
Claims (6)
1. a kind of forced bush mounting tool, it is characterised in that：Through part auricle（11）Stepped guide shaft（1）On set
There is support set（8）, support set（8）One end be supported on guide shaft（1）Limiting stand on, the other end is supported on part auricle（11）'s
On end face, and support set（8）It is provided with groove, groove diameter and part auricle（11）Through-hole diameter is consistent；In guide shaft（1）Pass through
Part auricle（11）End provided with gland constitute（12）, gland composition（12）One end and mounted bushing（10）Contact, it is another
End and nut（2）Contact, in guide shaft（1）Front end be provided with external screw thread, nut（2）Coordinate with external screw thread screw thread；In guide shaft（1）'s
Rear end is provided through guide shaft（1）Handle（9）.
2. forced bush mounting tool as claimed in claim 1, it is characterised in that：Described gland composition structure is to press
Set（5）It is interior to be provided with thrust bearing（6）, in gland（5）End face pass through screw（3）Connect back-up ring（4）, thrust bearing（6）Outer end
Face and back-up ring（4）Inner surface contact, back-up ring（4）Diameter of bore be more than nut（2）Excircle, and nut（2）End face is with pushing away
Power bearing（6）End contact.
3. forced bush mounting tool as claimed in claim 1 or 2, it is characterised in that：Described guide shaft（1）Through part
Auricle（11）Shaft section diameter be less than be mounted bushing（10）Diameter of bore, in part auricle（11）Through hole in provided with positioning
Circle（7）, centring ring（7）Internal diameter is consistent with the shaft end diameter, centring ring（7）External diameter and part auricle（11）Through-hole diameter one
Cause.
4. forced bush mounting tool as claimed in claim 3, it is characterised in that：Described centring ring（7）Front end stretch
Go out part auricle（11）Front end face, and centring ring（7）External part excircle be provided with annular groove.
5. forced bush mounting tool as claimed in claim 4, it is characterised in that：Described centring ring（7）With part ear
Piece（11）Through hole axiality be less than or equal to 0.15mm.
6. press-fit the method for bushing using the instrument described in claim 5, it is characterised in that comprise the following steps：
1）Unload lower leading axle（1）On nut（2）, gland composition（12）And centring ring（7）, and by guide shaft（1）Front end from part
Auricle（11）Through hole in pass through；
2）By support set（8）One end be supported on guide shaft（1）Limiting stand on, the other end is supported on the side end face of part auricle；
3）By centring ring（7）Insert part auricle（11）Through hole in, while endoporus and guide shaft（1）Coordinate, then will be mounted
Bushing（10）One end is placed on the annular groove of centring ring, is mounted bushing（10）The other end and gland constitute（12）Laminating；
4）By guide shaft（1）The handle that end is set（9）It is fixed, by nut（2）Screw in guide shaft（1）The screw thread of front end, constantly rotation,
In gland composition（12）Pressure under be mounted bushing（10）In centring ring（7）Guide effect under progress into part auricle
（11）Through hole in, until press-fit completion completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710623565.9A CN107160329A (en) | 2017-07-27 | 2017-07-27 | Forced bush mounting tool and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710623565.9A CN107160329A (en) | 2017-07-27 | 2017-07-27 | Forced bush mounting tool and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107160329A true CN107160329A (en) | 2017-09-15 |
Family
ID=59817574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710623565.9A Pending CN107160329A (en) | 2017-07-27 | 2017-07-27 | Forced bush mounting tool and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107160329A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561337A (en) * | 2019-09-04 | 2019-12-13 | 中信戴卡股份有限公司 | Frock is reprocessed to knuckle bush assembly size |
| CN111300333A (en) * | 2020-04-07 | 2020-06-19 | 重庆江增船舶重工有限公司 | Mixed-flow turbocharger shaft sleeve mounting tool and method |
| CN112476323A (en) * | 2020-10-30 | 2021-03-12 | 江西昌河航空工业有限公司 | Mounting tool and method for bushing with interference fit of double lug pieces |
| CN113752008A (en) * | 2021-09-26 | 2021-12-07 | 成都飞机工业（集团）有限责任公司 | Eccentric bushing alignment recovery method based on alignment recovery assembly |
| CN111300333B (en) * | 2020-04-07 | 2024-05-03 | 重庆江增船舶重工有限公司 | Mixed-flow turbocharger shaft sleeve mounting tool and method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1133928A (en) * | 1997-07-16 | 1999-02-09 | Hitachi Building Syst Co Ltd | Replacing device for bearing and bush for governor machine |
| CN2923213Y (en) * | 2006-06-28 | 2007-07-18 | 沈阳飞机工业（集团）有限公司 | Liner-bushing mounting tool |
| CN202862137U (en) * | 2012-10-02 | 2013-04-10 | 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 | Crank pin lining extractor |
| CN203804903U (en) * | 2014-04-16 | 2014-09-03 | 北京海纳川汽车底盘系统有限公司 | Lining press fitting structure |
| CN203993760U (en) * | 2014-06-11 | 2014-12-10 | 沈阳飞机工业（集团）有限公司 | Confined space bush press-fit device |
| CN203993759U (en) * | 2014-03-03 | 2014-12-10 | 沈阳飞机工业（集团）有限公司 | Helicitic texture is pressed, bushing unloading device |
| CN104723271A (en) * | 2013-12-19 | 2015-06-24 | 哈尔滨飞机工业集团有限责任公司 | Bushing installation tool |
-
2017
- 2017-07-27 CN CN201710623565.9A patent/CN107160329A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1133928A (en) * | 1997-07-16 | 1999-02-09 | Hitachi Building Syst Co Ltd | Replacing device for bearing and bush for governor machine |
| CN2923213Y (en) * | 2006-06-28 | 2007-07-18 | 沈阳飞机工业（集团）有限公司 | Liner-bushing mounting tool |
| CN202862137U (en) * | 2012-10-02 | 2013-04-10 | 中国石油化工股份有限公司胜利油田分公司孤岛采油厂 | Crank pin lining extractor |
| CN104723271A (en) * | 2013-12-19 | 2015-06-24 | 哈尔滨飞机工业集团有限责任公司 | Bushing installation tool |
| CN203993759U (en) * | 2014-03-03 | 2014-12-10 | 沈阳飞机工业（集团）有限公司 | Helicitic texture is pressed, bushing unloading device |
| CN203804903U (en) * | 2014-04-16 | 2014-09-03 | 北京海纳川汽车底盘系统有限公司 | Lining press fitting structure |
| CN203993760U (en) * | 2014-06-11 | 2014-12-10 | 沈阳飞机工业（集团）有限公司 | Confined space bush press-fit device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561337A (en) * | 2019-09-04 | 2019-12-13 | 中信戴卡股份有限公司 | Frock is reprocessed to knuckle bush assembly size |
| CN111300333A (en) * | 2020-04-07 | 2020-06-19 | 重庆江增船舶重工有限公司 | Mixed-flow turbocharger shaft sleeve mounting tool and method |
| CN111300333B (en) * | 2020-04-07 | 2024-05-03 | 重庆江增船舶重工有限公司 | Mixed-flow turbocharger shaft sleeve mounting tool and method |
| CN112476323A (en) * | 2020-10-30 | 2021-03-12 | 江西昌河航空工业有限公司 | Mounting tool and method for bushing with interference fit of double lug pieces |
| CN113752008A (en) * | 2021-09-26 | 2021-12-07 | 成都飞机工业（集团）有限责任公司 | Eccentric bushing alignment recovery method based on alignment recovery assembly |
| CN113752008B (en) * | 2021-09-26 | 2023-06-09 | 成都飞机工业（集团）有限责任公司 | Eccentric bushing alignment recovery method based on alignment recovery assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170915 |
|
| WD01 | Invention patent application deemed withdrawn after publication |