CN109878152B - Self-repairing mechanical parts - Google Patents
Self-repairing mechanical parts Download PDFInfo
- Publication number
- CN109878152B CN109878152B CN201910311182.7A CN201910311182A CN109878152B CN 109878152 B CN109878152 B CN 109878152B CN 201910311182 A CN201910311182 A CN 201910311182A CN 109878152 B CN109878152 B CN 109878152B
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- layer
- adhesive
- repair
- stress
- crack
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- 239000010410 layer Substances 0.000 claims abstract description 194
- 230000001070 adhesive effect Effects 0.000 claims abstract description 80
- 239000000853 adhesive Substances 0.000 claims abstract description 79
- 239000002344 surface layer Substances 0.000 claims abstract description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 230000000694 effects Effects 0.000 description 11
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The invention discloses a self-repairing mechanical part, relates to the technical field of mechanical parts, and mainly aims to provide a self-repairing mechanical part capable of repairing cracks of the mechanical part. The main technical scheme of the invention is as follows: a self-repairing mechanical component comprising: the part body is provided with a crack area, the crack area comprises a stress layer and a repair layer, the stress layer is arranged on the surface layer of the part body and used for supporting the part body, the repair layer is attached to the stress layer, the repair layer is provided with a plurality of first chambers, and a first adhesive and a second adhesive are respectively arranged in two adjacent first chambers; when the repair layer is cracked, the first adhesive and the second adhesive flow from the first chamber to the stress layer and are mixed, so that the stress layers are mutually bonded. The invention is mainly used for installing equipment.
Description
Technical Field
The invention relates to the technical field of mechanical parts, in particular to a self-repairing mechanical part.
Background
The machine part is the basic element that constitutes the machine and is an integral piece that constitutes the machine and the machine. The mechanical parts mainly have the functions of connecting, supporting or transmitting motion of parts, when the mechanical parts are cracked due to the fact that certain weak parts are cracked, the cracks can be gradually expanded, and finally the mechanical parts are cracked, so that equipment damage is caused, and personnel life safety is endangered in severe cases.
In the prior art, a coating is usually arranged on the surface of a mechanical part, the stress of the mechanical part is improved through the coating, but as the crack of the mechanical part firstly appears on the surface of the mechanical part, after the crack appears on the surface of the mechanical part, the surface of the mechanical part cannot be observed due to the coverage of the coating, so that the crack of the mechanical part is difficult to find, and the other mode is to periodically check the crack of the mechanical part through professional equipment, replace the mechanical part after the crack appears, thereby not only improving the labor intensity of workers, but also increasing the production cost of enterprises.
Disclosure of Invention
In view of the above, the embodiment of the invention provides a self-repairing machine part, and mainly aims to provide a self-repairing machine part capable of repairing cracks of the machine part.
In order to achieve the above purpose, the present invention mainly provides the following technical solutions:
The embodiment of the invention provides a self-repairing mechanical part, which comprises:
The part body is provided with a crack area, the crack area comprises a stress layer and a repair layer, the stress layer is arranged on the surface layer of the part body and used for supporting the part body, the repair layer is attached to the stress layer, the repair layer is provided with a plurality of first chambers, and a first adhesive and a second adhesive are respectively arranged in two adjacent first chambers;
When the repair layer is cracked, the first adhesive and the second adhesive flow from the first chamber to the stress layer and are mixed, so that the repair layer and the stress layer are mutually bonded.
Further, the crack area further comprises a color development layer, the color development layer is attached to the repair layer, the color development layer is provided with a plurality of second chambers, and a color development agent is arranged in each second chamber;
when the color developing layer develops a crack, the color developing agent flows out of the crack region.
Further, the repair layer comprises a first repair layer and a second repair layer, the first repair layer is attached to the second repair layer, the first adhesive is arranged in a plurality of first cavities of the first repair layer, and the second adhesive is arranged in a plurality of first cavities of the second repair layer.
Further, the color development layer is arranged between the stress layer and the repair layer.
Further, the plurality of first chambers and the plurality of second chambers are arranged in a honeycomb shape.
Further, a barrier layer is provided on an inner surface of each of the first chambers for preventing the first adhesive and the second adhesive from solidifying.
Further, the stress layer, the repair layer and the color developing layer are of an integrated structure.
Further, the crack region includes a first crack region and a second crack region, a first developer is disposed in the color developing layer of the first crack region, and a second developer is disposed in the color developing layer of the second crack region.
Compared with the prior art, the invention has the following technical effects:
In the technical scheme provided by the embodiment of the invention, the part body is provided with a crack region, the crack region comprises a stress layer and a repairing layer, the stress layer is arranged on the surface layer of the part body and used for supporting the part body, the repairing layer is attached to the stress layer, the repairing layer is provided with a plurality of first chambers, and a first adhesive and a second adhesive are respectively arranged in two adjacent first chambers; when the crack appears on the mechanical part, the first adhesive and the second adhesive flow from the first chamber to the stress layer and are mixed, so that the repair layer and the stress layer are mutually adhered.
Drawings
FIG. 1 is a schematic view of a self-repairing machine part according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the first crack region at A in FIG. 1;
FIG. 3 is an enlarged schematic view of a second crack region at A in FIG. 1;
fig. 4 is an enlarged schematic view of a third crack region at a in fig. 1.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples.
As shown in fig. 1 and 2, an embodiment of the present invention provides a self-repairing machine component, including:
The part comprises a part body 1, wherein the part body 1 is provided with a crack area 11, the crack area 11 comprises a stress layer 12 and a repairing layer 13, the stress layer 12 is arranged on the surface layer of the part body 1 and used for supporting the part body 1, the repairing layer 13 is attached to the stress layer 12, the repairing layer 13 is provided with a plurality of first chambers 15, and a first adhesive and a second adhesive are respectively arranged in two adjacent first chambers 15;
when the repair layer 13 is cracked, the first adhesive and the second adhesive flow from the first chamber 15 toward the force-receiving layer 12 and mix, so that the force-receiving layers 12 are bonded to each other.
In the technical scheme provided by the embodiment of the invention, the part body 1 is provided with a crack area 11, the crack area 11 comprises a stress layer 12 and a repairing layer 13, the stress layer 12 is arranged on the surface layer of the part body 1 and is used for supporting the part body 1, the repairing layer 13 is attached to the stress layer 12, the repairing layer 13 is provided with a plurality of first chambers 15, and a first adhesive and a second adhesive are respectively arranged in two adjacent first chambers 15; when the repairing layer 13 is cracked, the first adhesive and the second adhesive flow from the first chamber 15 to the stress layer 12 and are mixed, so that the repairing layer 13 and the stress layer 12 are adhered to each other.
The above-mentioned part body 1 generally adopts a mechanical part, and in the process of connecting, supporting or transmitting movement, the part body 1 is affected by stress, so that cracks are generated on the surface of the part body 1, and thus crack areas 11 are generated, the stress positions of different part bodies 1 are different, so that the positions of the generated cracks are different, and the positions of the cracks generated by the same part under the same acting force are basically consistent, therefore, the crack areas 11 can be set according to the properties and purposes of the part body 1, for example: the position where the crack is easy to occur is usually the position of the 1 st to 4 th thread roots, therefore, when the part body 1 is the bolt, the position of the crack area 11 is the position of the 1 st to 4 th thread roots, the crack area 11 comprises a stress layer 12 and a repair layer 13, the stress layer 12 is arranged on the surface layer of the part body 1 and is used for supporting the part body 1, the stress layer 12 is the surface layer of the part body 1 and is usually arranged on the surface of the part body 1, the stress layer 12 in the crack area 11 is stressed to enable the stress layer 12 to occur cracks, the repair layer 13 is attached to the stress layer 12, the repair layer 13 is provided with a plurality of first chambers 15, two adjacent first chambers 15 are respectively provided with a first adhesive and a second adhesive, the repair layer 13 is attached to the stress layer 12, that is to one side of the stress layer 12 far away from the part body 1, the repair layer 13 is composed of a plurality of first chambers 15, the two adjacent first chambers 15 are internally provided with the first adhesive and the second adhesive, the first adhesive and the second adhesive are usually two-component adhesives, one of the two-component hardening adhesives is the hardening adhesives of the two-component hardening adhesives and the two-component hardening adhesives can be used as the first adhesive and the two-component hardening adhesives or the two-component hardening adhesives and the two-component hardening adhesives can be mixed with the first adhesive and the epoxy adhesive and the other component hardening adhesive and the two general adhesive effect and the adhesive and the effect can be produced; when the repairing layer 13 is cracked, the first adhesive and the second adhesive flow from the first chamber 15 to the stress layer 12 and are mixed, so that two sides of the cracked stress layer 12 are mutually bonded, the repairing of the part body 1 is completed, the part body 1 can be made of plastic materials, metal materials or nylon materials, other novel sections can be adopted, the part body 1 can be manufactured by a 3D printing technology due to the complex structure, and meanwhile, the strength of the part body 1 is maintained, so that the technical effect of self-repairing the part body 1 is achieved, and the manufacturing mode of the part body 1 is not limited to a 3D printing technology, and the part body 1 can be manufactured by other modes.
Further, as shown in fig. 1, 2 and 4, the crack region 11 further includes a color layer 14, where the color layer 14 is attached to the repair layer 13, and the color layer 14 has a plurality of second chambers 16, and a color developer is disposed in each of the second chambers 16; when the color development layer 14 develops a crack, the color development agent flows out of the crack region 11. In this embodiment, the crack area 11 is further defined, the color-developing layer 14 is disposed in the crack area 11, the color-developing layer 14 is used to warn the worker that the crack occurs in the part body 1, the color-developing layer 14 is attached to the repair layer 13, that is, the color-developing layer 14 may be disposed on one side of the repair layer 13 away from the stress layer 12, or may be disposed between the stress layer 12 and the repair layer 13, when the color-developing layer 14 is disposed on one side of the repair layer 13 away from the stress layer 12, the first adhesive and the second adhesive in the repair layer 13 are mixed after the crack occurs in the stress layer 12, so that the stress layer 12 can be repaired, when the crack occurs again in the stress layer 12, or the crack occurs in the repair layer 13, the color-developing agent in the color-developing layer 14 flows out of the part body 1 through the crack, so that the worker finds that the part body 1 has the crack, and the part body has reached the rejection standard, should be processed, and needs to be replaced in time, thereby achieving the technical effect of reminding the worker; when the color development layer 14 is arranged between the stress layer 12 and the repair layer 13, the second chamber 16 of the color development layer 14 is broken due to the occurrence of cracks on the stress layer 12, and the color development agent flows out of the part body 1 through the cracks to remind workers that the part body 1 is cracked, but the first adhesive and the second adhesive in the first chambers 15 are mixed due to the fact that the repair layer 13 is not cracked, or the repair layer 13 is cracked, the stress layer 12 is repaired, so that the part body 1 can be used continuously, and the technical effect of reminding the workers is achieved.
Further, as shown in fig. 3, the repair layer 13 includes a first repair layer 131 and a second repair layer 132, where the first repair layer 131 is attached to the second repair layer 132, a first adhesive is disposed in the first chambers 15 of the first repair layer 131, and a second adhesive is disposed in the first chambers 15 of the second repair layer 132. In this embodiment, the repairing layer 13 is further defined, the first adhesive is disposed in the first chambers 15 of the first repairing layer 131, the second adhesive is disposed in the first chambers 15 of the second repairing layer 132, the first repairing layer 131 and the second repairing layer 132 are adhered to each other, and when the first repairing layer 131 and the second repairing layer 132 crack at the same time, the first adhesive and the second adhesive are mixed and hardened in the repairing layer 13 or the stress layer 12, so as to achieve the technical effect of repairing the crack.
Further, as shown in fig. 2, 3 and 4, the plurality of first chambers 15 and the plurality of second chambers 16 are arranged in a honeycomb shape. In this embodiment, the shapes of the first chamber 15 and the second chamber 16 are further defined, the shapes of the first chamber 15 and the second chamber 16 are the same, the honeycomb structure is arranged in a honeycomb shape, and has good strength and rigidity, so that the strength and rigidity of the part body 1 can be maintained or even exceeded, meanwhile, the first adhesive and the second adhesive can be filled in the first chamber 15, and the developer can be filled in the second chamber 16, so that the strength of the part body 1 is improved, and the part body 1 can be repaired, so that the technical effect of prolonging the service life of the part body 1 is achieved.
Further, a barrier layer is added, which is provided on the inner surface of each first chamber 15 for separating the inner wall of the first chamber from the first adhesive. In this embodiment, an isolation layer is added, and the isolation layer is used for isolating the inner wall of the first chamber and the first adhesive, and is arranged on the inner surface of each first chamber 15, so that the isolation layer can wrap the first adhesive and the second adhesive, thereby achieving the technical effect of preventing the first adhesive and the second adhesive from adhering to the inner wall of the first chamber; optionally, an antifreezing agent may be added into the first adhesive and the second adhesive to reduce the solidification points of the first adhesive and the second adhesive, thereby achieving the technical effect of preventing the solidification of the first adhesive and the second adhesive.
Further, the stress layer 12, the repairing layer 13 and the color developing layer 14 are of an integrated structure. In this embodiment, the crack area 11 is further defined, the part body 1 is generally an integrally formed structure, the stress layer 12, the repair layer 13 and the color developing layer 14 are mutually attached, and when the stress layer 12, the repair layer 13 and the color developing layer 14 are integrally formed, the strength and the rigidity of the part body 1 can be further improved.
Further, the crack region 11 includes a first crack region and a second crack region, the first developer is disposed in the color development layer 14 of the first crack region, and the second developer is disposed in the color development layer 14 of the second crack region. In this embodiment, the crack area 11 is further defined, and since the part body 1 is connected with a plurality of parts, the part body 1 will have a plurality of crack areas 11, and the color of the color developing agent used in the color developing layer 14 of each crack area 11 is different, so that the staff can distinguish the crack position of the part body 1, thereby achieving the technical effect of conveniently judging the crack position of the part; for example, the first color developing agent is set as a red color developing agent in the first crack region, the second color developing agent is set as a yellow color developing agent in the second crack region, and when the red color developing agent appears outside the part body 1, the first crack region is indicated to appear cracks, so that the technical effect of conveniently judging the crack position of the part is achieved.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. A self-repairing machine component, comprising:
The part body is provided with a crack area, the crack area comprises a stress layer and a repair layer, the stress layer is arranged on the surface layer of the part body and used for supporting the part body, the repair layer is attached to the stress layer, the repair layer is provided with a plurality of first cavities, a first adhesive and a second adhesive are respectively arranged in two adjacent first cavities, the first cavities are arranged in a honeycomb shape, the crack area further comprises a color development layer, the color development layer is attached to the repair layer, the color development layer is provided with a plurality of second cavities, a color development agent is arranged in each second cavity, and when the color development layer has cracks, the color development agent flows out of the crack area;
an isolating layer disposed on an inner surface of each of the first chambers for isolating an inner wall of the first chamber from the first adhesive;
the stress layer, the repair layer and the color developing layer are of an integrated structure, when the repair layer is cracked, the first adhesive and the second adhesive flow from the first cavity to the stress layer and are mixed, so that the stress layers are mutually adhered, and a plurality of second cavities are arranged in a honeycomb shape.
2. A self-repairing machine component, comprising:
The part body is provided with a crack area, the crack area comprises a stress layer and a repair layer, the stress layer is arranged on the surface layer of the part body and used for supporting the part body, the repair layer is attached to the stress layer, the repair layer is provided with a plurality of first cavities, the repair layer comprises a first repair layer and a second repair layer, the first repair layer is attached to the second repair layer, a first adhesive is arranged in the plurality of first cavities of the first repair layer, a second adhesive is arranged in the plurality of first cavities of the second repair layer, the plurality of first cavities are arranged in a honeycomb shape, the crack area further comprises a color development layer which is attached to the repair layer, the color development layer is provided with a plurality of second cavities, a color development agent is arranged in each second cavity, and when the color development layer appears, the color development agent flows out of the crack area;
An isolating layer disposed on an inner surface of each of the first chambers, for isolating an inner wall of the first chamber from the first adhesive, or for isolating an inner wall of the first chamber from the second adhesive;
the stress layer, the repair layer and the color developing layer are of an integrated structure, when the repair layer is cracked, the first adhesive and the second adhesive flow from the first cavity to the stress layer and are mixed, so that the stress layers are mutually adhered, and a plurality of second cavities are arranged in a honeycomb shape.
3. A self-repairing machine component according to claim 1 or 2, wherein,
The color development layer is arranged between the stress layer and the repair layer.
4. A self-repairing machine component according to claim 1 or 2, wherein,
The crack region comprises a first crack region and a second crack region, a first color developing agent is arranged in the color developing layer of the first crack region, and a second color developing agent is arranged in the color developing layer of the second crack region.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910311182.7A CN109878152B (en) | 2019-04-18 | 2019-04-18 | Self-repairing mechanical parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910311182.7A CN109878152B (en) | 2019-04-18 | 2019-04-18 | Self-repairing mechanical parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109878152A CN109878152A (en) | 2019-06-14 |
| CN109878152B true CN109878152B (en) | 2024-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910311182.7A Active CN109878152B (en) | 2019-04-18 | 2019-04-18 | Self-repairing mechanical parts |
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| Country | Link |
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| CN (1) | CN109878152B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113517117B (en) * | 2021-05-06 | 2022-06-24 | 安徽金环电气设备有限责任公司 | Dry-type transformer with function is reminded to coating crackle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215408A (en) * | 2008-01-18 | 2008-07-09 | 中山大学 | High temperature self-restoring epoxy resin material and preparation method thereof |
| CN101215407A (en) * | 2008-01-18 | 2008-07-09 | 中山大学 | High temperature self-restoring fibre enhancement epoxy composite material and preparation method thereof |
| CN102006998A (en) * | 2008-04-16 | 2011-04-06 | 空中客车英国有限公司 | Composite laminate with self-healing layer |
| CN102076790A (en) * | 2008-06-25 | 2011-05-25 | 西门子公司 | Component with a self-healing surface layer, self-healing enamel or coating powder with self-healing characteristics |
| CN107068908A (en) * | 2017-05-11 | 2017-08-18 | 京东方科技集团股份有限公司 | Encapsulating structure, display device and method for packing |
| CN108756768A (en) * | 2018-06-29 | 2018-11-06 | 山东大学 | A kind of assorted fibre microcellulor composite material sucker rod of self-repair function |
| CN208456516U (en) * | 2018-06-29 | 2019-02-01 | 山东大学 | A kind of assorted fibre microcellulor composite material sucker rod of self-repair function |
| CN209869578U (en) * | 2019-04-18 | 2019-12-31 | 新疆铁道职业技术学院 | Self-repairing mechanical part |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1907202B1 (en) * | 2005-07-01 | 2016-01-20 | Carolyn M. Dry | Multiple function, self-repairing composites with special adhesives |
-
2019
- 2019-04-18 CN CN201910311182.7A patent/CN109878152B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215408A (en) * | 2008-01-18 | 2008-07-09 | 中山大学 | High temperature self-restoring epoxy resin material and preparation method thereof |
| CN101215407A (en) * | 2008-01-18 | 2008-07-09 | 中山大学 | High temperature self-restoring fibre enhancement epoxy composite material and preparation method thereof |
| CN102006998A (en) * | 2008-04-16 | 2011-04-06 | 空中客车英国有限公司 | Composite laminate with self-healing layer |
| CN102076790A (en) * | 2008-06-25 | 2011-05-25 | 西门子公司 | Component with a self-healing surface layer, self-healing enamel or coating powder with self-healing characteristics |
| CN107068908A (en) * | 2017-05-11 | 2017-08-18 | 京东方科技集团股份有限公司 | Encapsulating structure, display device and method for packing |
| CN108756768A (en) * | 2018-06-29 | 2018-11-06 | 山东大学 | A kind of assorted fibre microcellulor composite material sucker rod of self-repair function |
| CN208456516U (en) * | 2018-06-29 | 2019-02-01 | 山东大学 | A kind of assorted fibre microcellulor composite material sucker rod of self-repair function |
| CN209869578U (en) * | 2019-04-18 | 2019-12-31 | 新疆铁道职业技术学院 | Self-repairing mechanical part |
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| CN109878152A (en) | 2019-06-14 |
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