CN216768110U - Composite sintered self-lubricating bearing - Google Patents
Composite sintered self-lubricating bearing Download PDFInfo
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- CN216768110U CN216768110U CN202121631843.3U CN202121631843U CN216768110U CN 216768110 U CN216768110 U CN 216768110U CN 202121631843 U CN202121631843 U CN 202121631843U CN 216768110 U CN216768110 U CN 216768110U
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- storage tank
- oil
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- 239000002131 composite material Substances 0.000 title claims abstract description 13
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 54
- 239000000956 alloy Substances 0.000 claims abstract description 54
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 229910000746 Structural steel Inorganic materials 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000005245 sintering Methods 0.000 abstract description 10
- 150000001875 compounds Chemical class 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 87
- 239000000314 lubricant Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 230000001050 lubricating effect Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 229910002804 graphite Inorganic materials 0.000 description 5
- 239000010439 graphite Substances 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 229910052582 BN Inorganic materials 0.000 description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 4
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 229910018100 Ni-Sn Inorganic materials 0.000 description 3
- 229910018532 Ni—Sn Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 229910018104 Ni-P Inorganic materials 0.000 description 2
- 229910018536 Ni—P Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a composite sintered self-lubricating bearing, which has the technical scheme key points that: the utility model provides a compound sintering self-lubricating bearing, includes the base member layer, the base member layer is cyclic annularly, base member layer inside wall and/or lateral wall are provided with one deck alloy-layer, the base member layer is provided with the oil storage tank that is used for storing fluid on the surface of alloy-layer, the alloy-layer covers the oil storage tank is formed with the cavity that supplies the oil tank to store. The utility model solves the problem that in the engineering machinery which can not be oiled, the bearing generates heat due to less oil storage of the alloy layer or no oil dry friction movement, the friction coefficient is increased, and the friction pair is damaged.
Description
Technical Field
The utility model relates to the field of bearings, in particular to a composite sintered self-lubricating bearing.
Background
Need rotate at many mechanisms, the position of rotating, all can set up the bearing usually, it is more smooth and easy to assist the rotation of mechanism, can carry on spacingly to the mechanism simultaneously, the effect of concrete support, only the bearing can produce the friction after long-time operation, the phenomenon of generating heat, need to annotate lubricating oil or lubricated liquid and come supplementary lubrication, it is smooth and easy to supply the bearing to rotate the operation, and avoid the bearing rotatory to generate heat, so the bearing will be able to normally work rotatoryly, must have the medium that provides the lubrication to exist, the commonly frequently used lubricating medium is as: water or lubricating oil, and need often plus the replenishment in the bearing use, not only very troublesome also causes the staff inconvenient, has the transmission position of many equipment more can't the oiling, and the bearing is in the dry friction state for a long time, life-span greatly reduced.
The self-lubricating bearing has appeared in the market at present, and the self-lubricating bearing does not need to provide lubricating medium in addition in the operation process, thereby solving the technical defects that the common bearing needs to be additionally provided with lubricating agent frequently in the use process, and not only is quite troublesome, but also causes inconvenience for workers. However, the method still has obvious disadvantages, wherein the most obvious is that the composite layer sintered plate material adopted by the existing self-lubricating bearing is that mixed powder is laid on steel, then the steel is sintered in a mesh belt furnace, and the sintered plate material is rolled to a certain thickness on a rolling mill, so that the length of the plate can be extended and then the plate material is rolled into a cylinder shape, the compression force of an alloy layer can be increased, the bonding strength of the alloy layer and a steel plate is greatly influenced, and the bearing capacity of the bearing is poor; because the gaps of the alloy layer shrink after rolling, the oil absorption rate of the alloy is reduced, and the self-lubricating property is greatly reduced.
Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a composite sintered self-lubricating bearing, which solves the problem that in an engineering machine which cannot be oiled, the bearing is heated due to less oil storage of an alloy layer or no oil dry friction movement, so that the friction coefficient is increased, and a friction pair is damaged.
The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a compound sintering self-lubricating bearing, includes the base member layer, the base member layer is cyclic annularly, base member layer inside wall and/or lateral wall are provided with one deck alloy-layer, the base member layer is provided with the oil storage tank that is used for storing fluid on the surface of alloy-layer, the alloy-layer covers the oil storage tank is formed with the cavity that supplies the oil tank to store.
The utility model is further provided with: the oil storage tank surrounds the base layer and is arranged in a reciprocating and crossed mode.
The utility model is further provided with: the base layer is made of carbon structural steel, and the alloy layer is made of porous alloy.
The utility model is further provided with: the oil storage tank is the annular setting, just the oil storage tank sets up to a plurality of, the oil storage tank place plane with be formed with the contained angle between the base member layer axial.
The utility model is further configured as follows: and a solid lubricant is arranged on the surface of the alloy layer, which is far away from the matrix layer, and comprises graphite, molybdenum disulfide powder and boron nitride.
The utility model is further provided with: the utility model provides a compound sintering self-lubricating plate bearing, includes the base member layer, the base member layer surface is the plane setting, just the base member layer surface is provided with the one deck alloy-layer, and the oil storage tank that is used for storing fluid is offered on the surface that the base member layer is provided with the alloy-layer, the alloy-layer covers the oil storage tank is formed with the cavity that supplies the oil tank to store.
The utility model is further provided with: the oil storage tank surrounds the base layer and is arranged in a reciprocating and crossed manner, or the oil storage tank is a plurality of oil storage tanks which are arranged in an inclined manner.
The utility model is further provided with: and a solid lubricant is arranged on the surface of the alloy layer, which is far away from the matrix layer, and comprises graphite, molybdenum disulfide powder and boron nitride.
In conclusion, the utility model has the following beneficial effects:
after the sintering processing is finished and when oil is supplemented to the oil storage tank, the product which is consistent with the sintering in the embodiment is subjected to vacuum oil absorption in a vacuum oil immersion machine, because the alloy layer is porous, oil is fully stored in the closed oil grooves between the alloy layer and the steel plate through the vacuum oil absorption, so that the oil storage function of the oil storage tank is realized, and when the product is not used, the oil is stored in the oil storage tank due to the existence of atmospheric pressure; when the lubricating oil reservoir is normally used, the shaft parts of the metal alloy layers are contacted and relatively move, and in addition, because the alloy layers are provided with capillary holes, oil in the oil reservoir is slowly released to the alloy layers through the capillary holes, the function of supplementing the oil is realized, and the lubricating effect is realized; in addition, the oil storage tank is arranged on the base body layer, so that the surface of the alloy layer is complete and smooth, the application performance is improved, and the abrasion is reduced.
The length of the oil storage tank is effectively increased through the structure, the oil storage amount is improved, in addition, the oil storage tank is arranged in a reciprocating mode in a crossing mode, the oil storage tank is communicated, and the fact that oil liquid supplement is achieved on the contact surface of the alloy layer and the shaft portion is guaranteed.
By laying the solid lubricant on the surface of the alloy layer, further lubrication can be realized, and the friction force is effectively reduced.
In conclusion, the problem that in the engineering machinery which can not be oiled, the bearing heats up due to little oil storage of the alloy layer or no oil dry friction movement, the friction coefficient is increased, and the friction pair is damaged is solved.
Drawings
FIG. 1 is a sectional view of embodiment 1;
FIG. 2 is an expanded view of embodiment 1;
FIG. 3 is an expanded view of embodiment 2;
FIG. 4 is a sectional view of embodiment 3;
FIG. 5 is a front view of embodiment 3.
The corresponding part names indicated by the numbers in the figures: 1. a substrate layer; 2. an alloy layer; 3. and an oil storage tank.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easy to understand, the utility model is further described with reference to the figures and the specific embodiments.
Example 1: as shown in fig. 1 and fig. 2, the composite sintered self-lubricating bearing provided by the present invention comprises a substrate layer 1, wherein the substrate layer 1 is made of carbon structural steel, and the substrate layer 1 is annular. The utility model discloses a fuse element, including base body layer 1, alloy-layer 2, the base body layer 1 is provided with alloy-layer 2's inside wall and/or lateral wall, the base body layer 1 is provided with the surface of alloy-layer 2 and offers the oil storage tank 3 that is used for storing fluid, alloy-layer 2 covers oil storage tank 3 is formed with the cavity that the oil feed tank stored. Namely, an alloy layer 2 is formed on the inner side wall of the base layer 1 or the outer side wall of the base layer 1 by sintering, and after an oil storage tank 3 is arranged on one side surface of the base layer 1, the alloy layer 2 is sintered on the surface, or after the oil storage tank 3 is arranged on the inner side wall and the outer side wall of the base layer 1, the alloy layer 2 is formed on the inner side wall and the outer side wall of the base layer 1 by sintering.
In this embodiment, the material of the alloy layer 2 is a porous alloy, that is, the composition of the alloy layer 2: consists of Sn 8-15 wt%, Ni 20-30 wt%, P4-8 wt%, Fe 15-25 wt%, Cu 45-55 wt% and hard alloy 1-5 wt% mixed together with flaky graphite. The formed Cu-Ni-Sn alloy is beneficial to improving the strength, toughness and wear resistance of the surface of the porous sintered alloy lubricating layer 2; the P element and the Ni element generate Ni-P alloy with excellent moisture property, and the Ni-P alloy is supplemented between the Cu-Ni-Sn alloy and the base surface of the steel plate 1, so that the Cu-Ni-Sn alloy is firmly jointed with the base surface of the steel sleeve 1 into a whole, and has high bearing performance, and the porous sintered alloy lubricating layer 2 has higher wear resistance due to the addition of the hard alloy.
Wherein the oil storage tank 3 surrounds the base layer 1 and is arranged in a reciprocating and crossed manner, namely the oil storage tank 3 is in a plurality of communicated rhombus shapes. The length of the oil storage tank 3 is effectively increased through the structure, the oil storage amount is improved, in addition, the oil storage tank 3 is promoted to be communicated through the crossed reciprocating arrangement of the oil storage tank 3, and the oil liquid supplement is realized on the contact surface of the alloy layer 2 and the shaft part.
After the sintering process is completed and oil is supplemented to the oil storage tank 3, the product which meets the sintering requirement in the embodiment is subjected to vacuum oil absorption in a vacuum oil immersion machine, because the alloy layer 2 is porous, oil is stored in the alloy layer 2 and the oil tank sealed between the alloy layer 2 and the steel plate through vacuum oil absorption, so that the oil storage function of the oil storage tank 3 is realized, and when the product is not used, the oil is stored in the oil storage tank 3 due to the existence of atmospheric pressure; when the lubricating oil reservoir is normally used, the shaft parts of the metal alloy layers 2 are contacted and relatively move, in addition, because capillary holes are formed on the alloy layers 2, oil in the oil reservoir 3 is slowly released to the alloy layers 2 through the capillary holes, the function of supplementing the oil is realized, and the lubricating effect is realized; in addition, the oil storage tank 3 is arranged on the base layer 1, so that the surface of the alloy layer 2 is ensured to be complete and smooth, the application performance is improved, and the abrasion is reduced.
In this embodiment, the alloy layer 2 is provided with a solid lubricant on the surface away from the matrix layer 1, where the solid lubricant includes graphite, molybdenum disulfide powder, and boron nitride. By laying the solid lubricant on the surface of the alloy layer 2, further lubrication can be realized, and the friction force can be effectively reduced.
Example 2 differs from example 1 in that: as shown in fig. 3, the oil storage grooves 3 are annularly arranged, and the number of the oil storage grooves 3 is a plurality of, three oil storage grooves are selected in this embodiment, and an included angle is formed between the plane where the oil storage grooves 3 are located and the axial direction of the base layer 1. An included angle is formed between the oil storage tank 3 and the base body layer 1, so that the length of the oil storage tank 3 is effectively increased, and the alloy layer 2 can be ensured to uniformly supplement oil.
Example 3: the utility model provides a compound sintering self-lubricating plate bearing, as shown in fig. 4 and 5, base member layer 1 surface is the plane setting, just base member layer 1 surface is provided with one deck alloy-layer 2, and base member layer 1 is provided with the surface of alloy-layer 2 and offers the oil storage tank 3 that is used for storing fluid, alloy-layer 2 covers oil storage tank 3 is formed with the cavity that supplies the oil tank to store. The base layer 1 and the alloy layer 2 in this embodiment are made of the same material as in this embodiment, and in this embodiment, the oil storage tank 3 also stores oil and slowly releases oil, so as to improve the lubrication performance of the plate bearing and prolong the service life.
In this embodiment, the oil storage tank 3 surrounds the substrate layer 1 and is arranged in a reciprocating and intersecting manner, that is, the oil storage tank 3 is in a plurality of communicated rhombuses. The oil storage tank 3 with the structure realizes that oil in the oil storage tank 3 can be conveniently circulated, and the oil can be conveniently and uniformly released.
And a solid lubricant is arranged on the surface of the alloy layer 2, which is far away from the matrix layer 1, and comprises graphite, molybdenum disulfide powder and boron nitride.
Example 4 differs from example 3 in that: in this embodiment, the oil storage tanks 3 are arranged in a plurality of annular shapes, that is, two adjacent oil storage tanks 3 are not connected to each other.
In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the purpose of clarity and convenience of description of the technical solutions, and thus, should not be construed as limiting the present invention.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A composite sintered self-lubricating bearing, comprising a base layer (1), characterized in that: base member layer (1) is cyclic annular, base member layer (1) inside wall and/or lateral wall are provided with one deck alloy-layer (2), alloy-layer (2) material is porous alloy, base member layer (1) is provided with oil storage tank (3) that are used for storing fluid on the surface of alloy-layer (2), alloy-layer (2) cover oil storage tank (3) are formed with the cavity that supplies the oil tank to store.
2. The composite sintered self-lubricating bearing of claim 1, wherein: the oil storage tank (3) surrounds the base body layer (1) and is arranged in a reciprocating and crossed mode.
3. A composite sintered self-lubricating bearing according to claim 1, wherein: the base layer (1) is made of carbon structural steel, and the alloy layer (2) is made of porous alloy.
4. The composite sintered self-lubricating bearing of claim 1, wherein: the oil storage tank (3) is annularly arranged, the oil storage tank (3) is arranged to be a plurality of, and an included angle is formed between the plane where the oil storage tank (3) is located and the axial direction of the base body layer (1).
5. A composite sintered self-lubricating bearing, comprising a base layer (1), characterized in that: the surface of the base body layer (1) is arranged in a plane, the surface of the base body layer (1) is provided with one layer of alloy layer (2), the material of the alloy layer (2) is porous alloy, the surface of the base body layer (1) provided with the alloy layer (2) is provided with an oil storage tank (3) used for storing oil, and the alloy layer (2) covers the oil storage tank (3) and is formed with a cavity for storing oil supply tanks.
6. The composite sintered self-lubricating bearing of claim 5, wherein: the oil storage tank (3) surrounds the base body layer (1) and is arranged in a reciprocating and crossed mode, or the oil storage tank (3) is arranged in a plurality of strips in an inclined mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121631843.3U CN216768110U (en) | 2021-07-19 | 2021-07-19 | Composite sintered self-lubricating bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121631843.3U CN216768110U (en) | 2021-07-19 | 2021-07-19 | Composite sintered self-lubricating bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216768110U true CN216768110U (en) | 2022-06-17 |
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ID=81953599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121631843.3U Active CN216768110U (en) | 2021-07-19 | 2021-07-19 | Composite sintered self-lubricating bearing |
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| Country | Link |
|---|---|
| CN (1) | CN216768110U (en) |
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2021
- 2021-07-19 CN CN202121631843.3U patent/CN216768110U/en active Active
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| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A composite sintered self-lubricating bearing Granted publication date: 20220617 Pledgee: Agricultural Bank of China Limited Zhejiang Yangtze River Delta integration demonstration zone sub branch Pledgor: Zhejiang DeNO intelligent accessories Technology Co.,Ltd. Registration number: Y2024980004980 |