CN109454171A - Band card slot lightening hole aperture oil-sealing arrangement and oil sealing method - Google Patents
Band card slot lightening hole aperture oil-sealing arrangement and oil sealing method Download PDFInfo
- Publication number
- CN109454171A CN109454171A CN201811474082.8A CN201811474082A CN109454171A CN 109454171 A CN109454171 A CN 109454171A CN 201811474082 A CN201811474082 A CN 201811474082A CN 109454171 A CN109454171 A CN 109454171A
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- China
- Prior art keywords
- sealing cover
- oil
- sealing
- card slot
- loss
- 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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
Abstract
The present invention relates to a kind of band card slot lightening hole aperture oil-sealing arrangement and oil sealing methods, and oil-sealing arrangement is by roller wheel bearing frame, gasket, tube expander, mandrel, pneumatic impact spanner composition.There are idler wheel, brake plate on roller wheel bearing frame；Tube expander is cylindrical body, inside has up big and down small taper hole, there are five equally distributed rolling bearings for bottom；There are two mandrels.Method with oil-sealing arrangement oil sealing is, crankshaft is placed on roller wheel bearing frame, after fixing, sealing cover is put into loss of weight oilhole, gasket is put into sealing cover, tube expander is put into sealing cover, mandrel is put into tube expander, mandrel is driven to move downward by pneumatic impact spanner, five rolling bearings of tube expander bottom are dilated to outer rolling, dilate pressure to sealing cover formation, sealing cover is set to generate plastic deformation, sealing cover is firmly embedded into the card slot of loss of weight oilhole aperture along extending upwards outward, reaches required oil sealing requirement.Oil sealing quality of the present invention is reliable and stable, high-efficient.
Description
Technical field
The present invention relates to a kind of band card slot lightening hole aperture oil-sealing arrangement and oil sealing methods.
Background technique
It needs to go rancid inside the crank arm loss of weight oilhole 9 (see Fig. 6) of certain type half-speed machine crankshaft, so aperture needs to seal,
Early stage aperture designs are generally screw thread, but in half-speed machine crankshaft high speed rotation, screw thread is easy to appear loosening.The existing country is to oilhole
Aperture optimizes, and is for the first time card slot shape by the aperture designs, redesigns dedicated sealing cover and close loss of weight oilhole, pacifies
Sealing cover after dress fills full entire lightening hole aperture, seamless applying with hole wall, and is just stuck in lightening hole card slot thrust surface, from
And reach the requirement of oil sealing.Oil test, oil pressure 3MPa are carried out after installing, time 10min does not allow aperture to have oily infiltration
Leakage.
Summary of the invention
The purpose of the present invention is be directed to above-mentioned status, it is desirable to provide a kind of oil in the aperture for the oilhole that can be applicable to card slot
Envelope, oil sealing quality is reliable and stable, high-efficient band card slot lightening hole aperture oil-sealing arrangement and oil sealing method.
The object of the invention implementation is, band card slot lightening hole aperture oil-sealing arrangement, by roller wheel bearing frame, tube expander, close
Capping, mandrel and gasket composition；There is idler wheel on the roller wheel bearing frame, there is brake plate in one end；The tube expander is cylindrical body, interior
There is up big and down small taper hole, there are five equally distributed rolling bearings for bottom；There are two the mandrels, and mandrel upper section is cylinder
Body, lower section are the cone to match with tube expander internal taper hole, and cone inner hole is six sides；Mandrel two is bigger than one conical surface diameter of mandrel
0.55mm。
With the method with card slot lightening hole aperture oil-sealing arrangement oil sealing aperture, the specific steps are as follows:
1) crankshaft being lifted on roller wheel bearing frame, nylon roller supports main bearing journal, and turning crankshaft chooses direction,
Crankshaft is fixed by brake plate；
2) sealing cover is put into check of crankshaft loss of weight oilhole, sealing cover edge is vertical with loss of weight oilhole hole wall, uses angle
Ruler checks vertical case；
3) with the 0.5mm hassock piece of diameter on the pad of sealing cover bottom；
4) tube expander is put into sealing cover, and mandrel one is put into tube expander；
5) mandrel one is driven to move downward by pneumatic impact spanner, mandrel one constantly moves downward, and pushes rolling bearing outside
Fast scroll generates powerful transverse direction and dilates power, forces sealing cover hole wall thinning, along up extending on sealing cover, slowly reaches
The thrust surface of lightening hole card slot；Until mandrel one cannot move downward；
6) mandrel one and tube expander are taken out；It checks the size in sealing cover aperture, checks whether cap apertures port is effectively embedding
Enter in crankshaft loss of weight oilhole aperture thrust card slot, if any distance, step 4), 5), again punching press need to be repeated；
7) it is put into tube expander, and mandrel two is put into tube expander, is moved downward, is continued with pneumatic impact spanner driving mandrel two
Sealing cover is dilated, until mandrel two cannot downwards until, sealing cover is extruded in the card slot of loss of weight oilhole, sealing cover
It is plastically deformed, forms interference fit full of card slot and loss of weight oilhole；
8) check whether sealing cover is effectively embedded into crankshaft loss of weight oilhole aperture thrust card slot, sealing cover edge and loss of weight oil
Whether hole aperture card slot thrust surface is adjacent to；
9) whether sealing cover is checked than big 1~1.5mm before dilating, and satisfaction dilates requirement, and otherwise repeatedly step 7) continues to expand
It is swollen.
The present invention by pneumatic impact spanner drive mandrel move downward, so as to cause tube expander bottom five rolling bearings to
Outer rolling dilates, and dilates pressure to sealing cover formation, and sealing cover is made to generate plastic deformation, and sealing cover extends upwards along outside, jail
Solid insertion loss of weight oilhole aperture card slot in, reach required oil sealing requirement.
Oil sealing quality of the present invention is reliable and stable, high-efficient.
Detailed description of the invention
Fig. 1 is oil sealing state diagram of the present invention,
Fig. 2 is roller wheel bearing frame schematic diagram,
Fig. 3 is crankshaft structure schematic diagram,
Fig. 4 a, b be tube expander structure master, side view,
Fig. 5 is mandrel and tube expander assembling schematic diagram,
Fig. 6 is the lightening hole structure chart with card slot,
Fig. 7 is sealing cover position view before oil sealing,
Fig. 8 is the sealing cover location drawing after oil sealing is good.
Specific embodiment
Referring to Fig.1~2, band card slot loss of weight oilhole aperture oil-sealing arrangement of the invention, by roller wheel bearing frame 10, tube expander 4,
Sealing cover 1, mandrel and gasket 2 form.Sealing cover 1 is identical as loss of weight oilhole diameter, thickness 2mm, and sealing cover is up big and down small 1:
20 taper.Sealing cover capping is 1 ± 0.2mm lower than the thrust surface of loss of weight oilhole card slot.
The gasket 2 is soft copper piece, and washer diameter is identical as sealing cover diameter, thick 0.5mm.Gasket can be prevented in oil sealing mistake
Cheng Zhong, damage sealing cap surface.
There are two the mandrels, and mandrel upper section is cylindrical body, and lower section is the cone to match with tube expander internal taper hole, circular cone
The internal side Kong Weiliu；Mandrel two is 0.55mm bigger than one conical surface diameter of mandrel.
Referring to Fig. 2, there is idler wheel 11 on the roller wheel bearing frame, there is brake plate 12 in one end.Idler wheel is nylon roller.
Referring to Fig. 4 a, b, tube expander 4 is cylindrical body, inside has up big and down small taper hole, there are five equally distributed rollings for bottom
Bearing 3.
With the method with card slot lightening hole aperture oil-sealing arrangement oil sealing aperture, the specific steps are as follows:
1) crankshaft is lifted on roller wheel bearing frame 10, nylon roller 11 supports main bearing journal, turning crankshaft, the side of choosing
To crankshaft is fixed by brake plate 12；
2) sealing cover 1 is put into check of crankshaft loss of weight oilhole 9 (see Fig. 3,6), sealing cover edge and loss of weight oilhole hole
Wall is vertical (see Fig. 7), is checked with angle square；
3) with the 0.5mm hassock piece 2 of diameter on the pad of 1 bottom of sealing cover.
4) tube expander 4 is put into sealing cover 1, and mandrel 1 is put into tube expander 4 (see Fig. 1,5)；
5) the interior hexagonal phase of six square toes of pneumatic impact spanner and mandrel cooperates, and drives mandrel 1 to transport downwards by pneumatic impact spanner 6
Dynamic, mandrel one constantly moves downward, and pushes the outside fast scroll of rolling bearing 3, and the powerful transverse direction of generation dilates power, forces
1 hole wall of sealing cover is thinning, along up extending on sealing cover, slowly reaches the thrust surface 8 of lightening hole card slot；Until mandrel one cannot
It moves downward.
The pneumatic impact spanner operating pressure 6.3MPa, revolving speed 7000rpm, acrotorque 745.7Nm.
6) mandrel one and tube expander 4 are taken out；It checks the size in sealing cover aperture, checks whether cap apertures port is effectively embedding
Enter in crankshaft loss of weight oilhole aperture thrust card slot 7, if any distance, step 4), 5) punching press again need to be repeated；
7) it is put into tube expander 4, and mandrel two is put into tube expander, is moved downward with pneumatic impact spanner driving mandrel two, after
It is continuous that sealing cover 1 is dilated, until mandrel two cannot it is downward until, sealing cover 1 is extruded in the card slot of loss of weight oilhole, close
Capping is plastically deformed, and forms interference fit as shown in Figure 8 full of card slot and loss of weight oilhole；
8) check whether sealing cover is effectively embedded into crankshaft loss of weight oilhole aperture thrust card slot 7,1 edge of sealing cover and loss of weight
Oilhole aperture card slot thrust surface 8 is adjacent to as shown in Figure 8.
9) sealing cover 1 is checked than big 1~1.5mm before dilating, and satisfaction dilates requirement, and otherwise repeatedly step 7) continues to dilate.
Oil test, oil pressure 3MPa are carried out after oil sealing, time 10min does not allow aperture to have oil seepage.If any oil seepage
It repeats the above process, continues to dilate, until meeting the requirements.It is finally reached and both meets the amount of dilating and oil-proof.
The present invention drives mandrel to move downward by pneumatic impact spanner, so as to cause five rolling bearings 3 of tube expander bottom
It being dilated to outer rolling, pressure is dilated to sealing cover formation, sealing cover is made to generate plastic deformation, sealing cover arm extends upwards outward,
In firm insertion loss of weight oilhole aperture card slot, reach required oil sealing requirement.
Oil sealing quality of the present invention is reliable and stable, high-efficient.
Claims (8)
1. band card slot lightening hole aperture oil-sealing arrangement, it is characterised in that: by roller wheel bearing frame, tube expander, sealing cover, mandrel and pad
Piece composition；There is idler wheel on the roller wheel bearing frame, there is brake plate in one end；The tube expander is cylindrical body, is inside had up big and down small
Taper hole, there are five equally distributed rolling bearings for bottom；There are two the mandrels, mandrel upper section be cylindrical body, lower section be with it is swollen
The cone that pipe device internal taper hole matches, cone inner hole are six sides；Mandrel two is 0.55mm bigger than one conical surface diameter of mandrel.
2. a kind of band card slot loss of weight oilhole aperture according to claim 1 oil-sealing arrangement, it is characterised in that: sealing cover 1 is straight
Diameter is identical as loss of weight oilhole, wall thickness 2mm, and sealing cover is the taper of up big and down small 1:20.
3. a kind of band card slot loss of weight oilhole aperture oil-sealing arrangement according to claim 1 and oil sealing method, it is characterised in that:
Sealing cover diameter is identical with loss of weight oilhole internal diameter, thick 2mm；Sealing cover is the taper of up big and down small 1:20；Sealing cover capping ratio
The low 1mm of thrust surface of loss of weight oilhole card slot.
4. a kind of band card slot loss of weight oilhole aperture according to claim 1 oil-sealing arrangement, it is characterised in that: gasket is soft copper
Piece, washer diameter is identical as sealing cover diameter, thick 2mm.
5. a kind of band card slot loss of weight oilhole aperture according to claim 1 oil-sealing arrangement, it is characterised in that: tube expander is circle
Cylinder inside has up big and down small taper hole, and there are five equally distributed rolling bearings for bottom.
6. a kind of band card slot loss of weight oilhole aperture according to claim 5 oil-sealing arrangement, it is characterised in that: rolling bearing is
Nylon bearing.
7. with the method with card slot lightening hole aperture oil-sealing arrangement oil sealing aperture of claim 1, it is characterised in that: specific steps
It is as follows:
1) crankshaft is lifted on roller wheel bearing frame, nylon roller supports main bearing journal, and turning crankshaft is chosen direction, passed through
Brake plate fixes crankshaft；
2) sealing cover is put into check of crankshaft loss of weight oilhole, sealing cover edge is vertical with loss of weight oilhole hole wall, is examined with angle square
Look into vertical case；
3) with the 0.5mm hassock piece of diameter on the pad of sealing cover bottom；
4) tube expander is put into sealing cover, and mandrel one is put into tube expander；
5) mandrel one is driven to move downward by pneumatic impact spanner, mandrel one constantly moves downward, and pushes rolling bearing quick outward
It rolls, generates powerful transverse direction and dilate power, force sealing cover hole wall thinning, along up extending on sealing cover, slowly reach loss of weight
The thrust surface of hole card slot；Until mandrel one cannot move downward；
6) mandrel one and tube expander are taken out；It checks the size in sealing cover aperture, checks whether cap apertures port is effectively embedded into song
In axis loss of weight oilhole aperture thrust card slot, if any distance, step 4), 5), again punching press need to be repeated；
7) it is put into tube expander, and mandrel two is put into tube expander, is moved downward, is continued to close with pneumatic impact spanner driving mandrel two
Capping dilated, until mandrel two cannot downwards until, sealing cover is extruded in the card slot of loss of weight oilhole, sealing cover generation
Plastic deformation forms interference fit full of card slot and loss of weight oilhole；
8) check whether sealing cover is effectively embedded into crankshaft loss of weight oilhole aperture thrust card slot, sealing cover edge and loss of weight oilhole hole
Whether mouth card slot thrust surface is adjacent to；
9) whether sealing cover is checked than big 1~1.5mm before dilating, and satisfaction dilates requirement, otherwise repeatedly step 7), continues to dilate.
8. the method according to claim 7 with card slot lightening hole aperture oil-sealing arrangement oil sealing aperture, it is characterised in that:
The operating pressure 6.3MPa of pneumatic impact spanner, revolving speed 7000rpm, acrotorque 745.7Nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811474082.8A CN109454171A (en) | 2018-12-04 | 2018-12-04 | Band card slot lightening hole aperture oil-sealing arrangement and oil sealing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811474082.8A CN109454171A (en) | 2018-12-04 | 2018-12-04 | Band card slot lightening hole aperture oil-sealing arrangement and oil sealing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109454171A true CN109454171A (en) | 2019-03-12 |
Family
ID=65612342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811474082.8A Pending CN109454171A (en) | 2018-12-04 | 2018-12-04 | Band card slot lightening hole aperture oil-sealing arrangement and oil sealing method |
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| CN (1) | CN109454171A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005088144A (en) * | 2003-09-18 | 2005-04-07 | Honda Motor Co Ltd | Seal member press-in device |
| CN103372841A (en) * | 2013-07-26 | 2013-10-30 | 浙江吉利汽车研究院有限公司 | Crankshaft oil seal assembly device |
| CN106270228A (en) * | 2016-08-24 | 2017-01-04 | 中船动力有限公司 | Mild steel boring cover quick expanding instrument and expanding method |
| CN107654481A (en) * | 2017-09-30 | 2018-02-02 | 中国北方发动机研究所(天津) | A kind of crank-shaft link neck oil pocket sealing structure |
| CN209697858U (en) * | 2018-12-04 | 2019-11-29 | 武汉重工铸锻有限责任公司 | Band card slot lightening hole aperture oil-sealing arrangement |
-
2018
- 2018-12-04 CN CN201811474082.8A patent/CN109454171A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005088144A (en) * | 2003-09-18 | 2005-04-07 | Honda Motor Co Ltd | Seal member press-in device |
| CN103372841A (en) * | 2013-07-26 | 2013-10-30 | 浙江吉利汽车研究院有限公司 | Crankshaft oil seal assembly device |
| CN106270228A (en) * | 2016-08-24 | 2017-01-04 | 中船动力有限公司 | Mild steel boring cover quick expanding instrument and expanding method |
| CN107654481A (en) * | 2017-09-30 | 2018-02-02 | 中国北方发动机研究所(天津) | A kind of crank-shaft link neck oil pocket sealing structure |
| CN209697858U (en) * | 2018-12-04 | 2019-11-29 | 武汉重工铸锻有限责任公司 | Band card slot lightening hole aperture oil-sealing arrangement |
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