CN208966876U - A kind of bearing shell of big torsion leather trimmer - Google Patents
A kind of bearing shell of big torsion leather trimmer Download PDFInfo
- Publication number
- CN208966876U CN208966876U CN201821458345.1U CN201821458345U CN208966876U CN 208966876 U CN208966876 U CN 208966876U CN 201821458345 U CN201821458345 U CN 201821458345U CN 208966876 U CN208966876 U CN 208966876U
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- layer
- bearing shell
- shell body
- steel back
- dovetail
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Abstract
The utility model discloses a kind of bearing shell of big torsion leather trimmer, bearing shell body including semi-cylindrical, it is characterized by: side is equipped with liner layer in the bearing shell body, the bearing shell body includes steel back and aluminium manganin layer, the steel back inner surface is equipped with microgroove crack, the aluminium manganin layer is on the inside of steel back and is matched by microgroove crack and is welded in steel back, scaling powder layer is equipped between the steel back and aluminium manganin layer, surface is equipped with several dovetail raised lines in the bearing shell body, the outer surface of the liner layer is equipped with several dovetail grooves, the dovetail raised line is stuck in dovetail groove with activity surplus.The utility model provides a kind of compact-sized, has higher hardness and strength, fabulous seizure resistance and bearing capacity, the bearing shell of big torsion with long service life.
Description
Technical field
The utility model discloses a kind of bearing shell of big torsion leather trimmer, belongs to mechanized equipment class technical field.
Background technique
The working-spindle of leather trimmer is big because loading, and single load bearing is big, and bearing shell is sliding bearing important composition portion
Point, Qi Bishang has oil filler point, and there is annular oil groove in inside, and annular oil groove plays lubricating action, and axis is when bearing shell high speed operates, meeting
A large amount of heat is generated, the high temperature that direct friction generates burns out bearing shell, it is also possible to since load is excessive, temperature is excessively high, lubricating oil
There are the factors such as impurity or viscosity exception to cause tile kilning, and sliding bearing just damages after tile kilning.The intensity of traditional mock silver
Lower, intermediate fine aluminium transition zone bearing capacity is low, although intermediate aluminum layer improves the bond strength of mock silver and steel back,
Reduce the fatigue resistance of alloy-layer.Not only the manufacturing cycle is longer, and fund input amount is larger and production cost height etc., also unfavorable
In maintenance and maintenance of the large and medium-sized high precision apparatus to bimetallic bearing.The machinery of existing mock silver-steel bimetallic shaft bushing is held
Loading capability is low, and anti-fatigue ability is not strong.
Utility model content
It the purpose of the utility model is to overcome the deficiencies in the prior art, provides a kind of compact-sized, has higher hard
Degree and intensity, fabulous seizure resistance and bearing capacity, the bearing shell of big torsion with long service life.
To achieve the above object, the utility model provides following technical solution to realize:
A kind of bearing shell of big torsion leather trimmer, the bearing shell body including semi-cylindrical, side is equipped with interior in the bearing shell body
Lining, the bearing shell body include steel back and aluminium manganin layer, and the steel back inner surface is equipped with microgroove crack, the aluminium copper-manganese
Alloy-layer is on the inside of steel back and is matched by microgroove crack and is welded in steel back, between the steel back and aluminium manganin layer
Equipped with scaling powder layer, surface is equipped with several dovetail raised lines in the bearing shell body, and the outer surface of the liner layer is equipped with several
Dovetail groove, the dovetail raised line are stuck in dovetail groove with activity surplus, and the bearing shell body lower right side is equipped with locating slot, institute
Liner layer left lower is stated equipped with positioning strip, the positioning strip matches with locating slot；The liner layer is equipped with oil groove, described
Liner layer is equipped with fuel feed hole, and the bearing shell body is equipped with oil inlet, and one end of the fuel feed hole is communicated with oil inlet, the other end
It is communicated with oil groove；The liner layer includes base, and the base is phosphorus gettering anti-attrition layer, and the base top is equipped with first
Chemical passivation layer, first chemical passivation layer top is equipped with polyphenylene sulfide gradient coating, on the polyphenylene sulfide gradient coating
Portion is equipped with the second chemical passivation layer, and second chemical passivation layer top is equipped with surface covering, and the surface covering is by bottom
Equadag coating and the molybdenum disulfide coating of surface layer composition.
Preferably, being equipped with elastic layer in gap between the dovetail raised line and dovetail groove.
Preferably, the oil groove is in a zigzag.
Preferably, the equadag coating with a thickness of 10~20 microns, the thickness of molybdenum disulfide coating about 5~10 is micro-
Rice.
The beneficial effect of the utility model device is, 1, steel back diffusion into the surface there is microgroove crack to improve steel back and aluminium copper-manganese
The actual welding contact area of alloy-layer simultaneously joined scaling powder, thereby increase the welding between steel back and aluminium manganin layer
Fastness problem improves the overall stability of bearing shell body, is connected between outer bearing shell body and liner layer using dovetail configuration,
It is compact-sized, so that the integral strength of bearing shell is got a promotion, there is higher hardness and strength, fabulous seizure resistance and carrying energy
Power has high fatigue strength, structural strength and mechanical load-bearing capability is significantly improved, suitable for using when big torsion；2,
Oil groove, in being distributed in a zigzag, enables lubricating oil that must more sufficiently, more evenly be filled between bearing and bearing shell, subtracts on liner layer
Friction between few bearing and bearing shell, prolongs the service life, in stable condition, noiseless when work, and reliable performance is durable；3, it positions
Slot and positioning strip cooperate, and so as to facilitate the alignment of bearing shell body and liner layer, are preferably installed；4, by base,
The liner layer high temperature resistance of one chemical passivation layer, polyphenylene sulfide gradient coating, the second chemical passivation layer and surface covering composition
Stablize, abrasion resistance properties are excellent, and abrasion loss is small, and abrasion resistance is stablized, and bond strength is high, so that comprehensive performance significantly mentions
It is high；5, the coefficient of friction by equadag coating and the coat composed surface covering of molybdenum disulfide is small, advantageously reduces fretting wear.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of the bearing shell of the big torsion of the utility model；
Fig. 2 is the enlarged diagram in Fig. 1 at A；
Fig. 3 is the structural schematic diagram two of the bearing shell of the big torsion of the utility model；
Fig. 4 is the enlarged diagram in Fig. 3 at B；
Fig. 5 is the structural schematic diagram of liner layer.
Appended drawing reference: 1, bearing shell body；2, liner layer；3, oil groove；4, fuel feed hole；5, steel back；6, aluminium manganin layer；7, thin
Line crack；8, scaling powder layer；9, dovetail raised line；10, dovetail groove；11, elastic layer；12, locating slot；13, positioning strip；14, oil inlet
Mouthful；15, base；16, the first chemical passivation layer；17, polyphenylene sulfide gradient coating；18, the second chemical passivation layer；19, surface applies
Layer.
Specific embodiment
The bearing shell of big torsion leather trimmer a kind of to the utility model shown in reference to the accompanying drawing is further described.
The bearing shell of big torsion as shown in Figs. 1-5, the bearing shell body 1 including semi-cylindrical are equipped with liner on the inside of bearing shell body 1
Layer 2, bearing shell body 1 include steel back 5 and aluminium manganin layer 6, and 5 inner surface of steel back is equipped with microgroove crack 7, aluminium manganin layer 6
Matched on the inside of steel back 5 and by microgroove crack 7 and be welded in steel back 5, is equipped between steel back 5 and aluminium manganin layer 6
Scaling powder layer 8,1 inner surface of bearing shell body are equipped with several dovetail raised lines 9, and the outer surface of liner layer 2 is equipped with several dovetail grooves 10,
Dovetail raised line 9 is stuck in dovetail groove 10 with activity surplus, and 1 lower right side of bearing shell body is equipped with locating slot 12,2 left side of liner layer
Lower part is equipped with positioning strip 13, and positioning strip 13 matches with locating slot 12；Liner layer 2 be equipped with oil groove 3, liner layer 2 be equipped with into
Oilhole 4, bearing shell body 1 are equipped with oil inlet 14, and one end of fuel feed hole 4 is communicated with oil inlet 14, and the other end is communicated with oil groove 3；It is interior
Lining 2 include base 15, base 15 be phosphorus gettering anti-attrition layer, 15 top of base be equipped with the first chemical passivation layer 16, first
16 top of chemical passivation layer is equipped with polyphenylene sulfide gradient coating 17, and 17 top of polyphenylene sulfide gradient coating is equipped with the second chemical passivation
Layer 18,18 top of the second chemical passivation layer be equipped with surface covering 19, surface covering 19 by bottom equadag coating and surface layer two
Vulcanize molybdenum coating composition.Preferably, being equipped with elastic layer 11 in gap between dovetail raised line 9 and dovetail groove 10.Preferably,
Oil groove 3 is in a zigzag.Preferably, equadag coating with a thickness of 10~20 microns of dovetail groove, the thickness of molybdenum disulfide coating about 5
10 microns of~dovetail groove.
The beneficial effect of the utility model device is,
The actual welding contact area that 5 diffusion into the surface of steel back has microgroove crack 7 to improve steel back 5 Yu aluminium manganin layer 6
And joined scaling powder, the firm welding problem between steel back 5 and aluminium manganin layer 6 is thereby increased, bearing shell is improved
The overall stability of body 1 is connected between outer bearing shell body 1 and liner layer 2 using dovetail configuration, compact-sized, makes bearing shell
Integral strength gets a promotion, and has higher hardness and strength, and fabulous seizure resistance and bearing capacity have high fatigue
Intensity significantly improves structural strength and mechanical load-bearing capability, suitable for using when big torsion.
Oil groove 3 on liner layer 2 in a zigzag be distributed, enable lubricating oil more sufficiently, more evenly must be filled in bearing and
Between bearing shell, the friction between bearing and bearing shell is reduced, is prolonged the service life, in stable condition, noiseless when work, reliable performance
It is durable.
Locating slot 12 and positioning strip 13 cooperate, so as to facilitate the alignment of bearing shell body 1 and liner layer 2, preferably into
Row installation.
It is applied by base 15, the first chemical passivation layer 16, polyphenylene sulfide gradient coating 17, the second chemical passivation layer 18 and surface
2 high temperature resistance of liner layer of 19 composition of layer is stablized, and abrasion resistance properties are excellent, and abrasion loss is small, and abrasion resistance is stablized, and combines strong
Degree is high, so that comprehensive performance increases substantially.
Coefficient of friction by equadag coating and the coat composed surface covering 19 of molybdenum disulfide is small, advantageously reduces friction mill
Damage.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (4)
1. a kind of bearing shell of big torsion leather trimmer, the bearing shell body including semi-cylindrical, it is characterised in that: in the bearing shell body
Side is equipped with liner layer, and the bearing shell body includes steel back and aluminium manganin layer, and the steel back inner surface is equipped with microgroove crack, institute
It states aluminium manganin layer and is on the inside of steel back and matches by microgroove crack and be welded in steel back, the steel back and the conjunction of aluminium copper-manganese
Scaling powder layer is equipped between layer gold, surface is equipped with several dovetail raised lines in the bearing shell body, on the outer surface of the liner layer
Equipped with several dovetail grooves, the dovetail raised line is stuck in dovetail groove with activity surplus, and the bearing shell body lower right side is equipped with
Locating slot, the liner layer left lower are equipped with positioning strip, and the positioning strip matches with locating slot；The liner layer is equipped with
Oil groove, the liner layer are equipped with fuel feed hole, and the bearing shell body is equipped with oil inlet, one end and the oil inlet phase of the fuel feed hole
Logical, the other end is communicated with oil groove；The liner layer includes base, and the base is phosphorus gettering anti-attrition layer, in the base
Portion is equipped with the first chemical passivation layer, and first chemical passivation layer top is equipped with polyphenylene sulfide gradient coating, the polyphenylene sulfide
Gradient coating top is equipped with the second chemical passivation layer, and second chemical passivation layer top is equipped with surface covering, and the surface applies
Layer is made of the equadag coating of bottom and the molybdenum disulfide coating of surface layer.
2. a kind of bearing shell of big torsion leather trimmer according to claim 1, it is characterised in that: the dovetail raised line and
Elastic layer is equipped in gap between dovetail groove.
3. a kind of bearing shell of big torsion leather trimmer according to claim 1, it is characterised in that: the word that the oil groove is in
Shape.
4. a kind of bearing shell of big torsion leather trimmer according to claim 1, it is characterised in that: the equadag coating
With a thickness of 10~20 microns, molybdenum disulfide coating with a thickness of 5~10 microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821458345.1U CN208966876U (en) | 2018-09-06 | 2018-09-06 | A kind of bearing shell of big torsion leather trimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821458345.1U CN208966876U (en) | 2018-09-06 | 2018-09-06 | A kind of bearing shell of big torsion leather trimmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208966876U true CN208966876U (en) | 2019-06-11 |
Family
ID=66755308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821458345.1U Expired - Fee Related CN208966876U (en) | 2018-09-06 | 2018-09-06 | A kind of bearing shell of big torsion leather trimmer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208966876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855747A (en) * | 2021-04-12 | 2021-05-28 | 宙斯能源动力科技(大连)有限公司 | Positive and negative rotation direction dovetail-shaped structure air dynamic pressure radial foil bearing |
-
2018
- 2018-09-06 CN CN201821458345.1U patent/CN208966876U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112855747A (en) * | 2021-04-12 | 2021-05-28 | 宙斯能源动力科技(大连)有限公司 | Positive and negative rotation direction dovetail-shaped structure air dynamic pressure radial foil bearing |
| CN112855747B (en) * | 2021-04-12 | 2022-07-19 | 宙斯能源动力科技(大连)有限公司 | Positive and negative rotation direction dovetail-shaped structure aerodynamic radial foil bearing |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 Termination date: 20210906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |