CN108869473B - Textured interference joint face group design method - Google Patents
Textured interference joint face group design method Download PDFInfo
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- CN108869473B CN108869473B CN201810637451.4A CN201810637451A CN108869473B CN 108869473 B CN108869473 B CN 108869473B CN 201810637451 A CN201810637451 A CN 201810637451A CN 108869473 B CN108869473 B CN 108869473B
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- pits
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- textured
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- 238000000034 method Methods 0.000 title claims abstract description 7
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 6
- 239000010432 diamond Substances 0.000 claims abstract description 6
- QNRATNLHPGXHMA-XZHTYLCXSA-N (r)-(6-ethoxyquinolin-4-yl)-[(2s,4s,5r)-5-ethyl-1-azabicyclo[2.2.2]octan-2-yl]methanol;hydrochloride Chemical compound Cl.C([C@H]([C@H](C1)CC)C2)CN1[C@@H]2[C@H](O)C1=CC=NC2=CC=C(OCC)C=C21 QNRATNLHPGXHMA-XZHTYLCXSA-N 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B4/00—Shrinkage connections, e.g. assembled with the parts at different temperature; Force fits; Non-releasable friction-grip fastenings
- F16B4/004—Press fits, force fits, interference fits, i.e. fits without heat or chemical treatment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
The invention discloses a method for designing a textured interference joint face group, wherein a joint matching face comprises a textured area and an untextured area; the texture area is only designed on the outer circle matching surface of the connecting surface group, or only designed on the inner circle matching surface of the connecting surface group, or simultaneously designed on the outer circle matching surface and the inner circle matching surface of the connecting surface group; the texture area is provided with a circular pit, a square pit, a diamond pit, an oval pit, a triangular pit or any combination of a plurality of pits; the pit textures are parallel to the axial direction of the connecting surface group or are arranged in rows and columns at a certain angle. According to the invention, the concave texture is designed on the matching surface of the interference connection, so that the contact characteristic of the matching surface is changed, the binding force of the interference connection can be improved, and the comprehensive performance of the interference connection is effectively improved.
Description
Technical Field
The invention relates to a connecting joint surface, in particular to a method for designing a textured interference joint surface.
Background
The interference connection has the advantages of simple connection structure, good centering precision, high bearing capacity, capability of bearing torque, axial force or composite load of the torque and the axial force, and the like, and is widely applied to mechanical equipment. The interference fit connection mainly comprises two types of cylindrical surface interference fit connection and conical surface interference fit connection. The traditional interference connection has the defects of large stress concentration at the edge of a matching surface and the like.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a textured interference connection surface group design method, which changes the contact characteristic of a connection matching surface by designing a concave texture on the interference connection matching surface so as to improve the comprehensive performance of interference connection.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a textured interference joint face group design method, set up textured area and not textured area on the joint face of interference fit, the area of textured area accounts for 10% -90% of the total area of joint face; wherein, the texture zone is provided with a plurality of pit type textures.
The invention has the further improvement that the interference fit connecting surface comprises an outer circle matching surface and an inner circle matching surface; the texture area (1) is arranged on the excircle matching surface of the connecting surface group, the inner circle matching surface of the connecting surface group, or the excircle matching surface and the inner circle matching surface of the connecting surface group.
The further improvement of the invention is that the texture area is provided with one or any combination of a plurality of round pits, square pits, rhombic pits, oval pits and triangular pits.
The invention is further improved in that the pit textures are arranged in rows and/or columns along the axial direction of the connecting surface.
The invention is further improved in that the texture of each row or column of pits is 0-90 degrees to the axial direction of the connecting surface.
The further improvement of the invention is that the diameter of the circular pit is 10-500 um, and the depth is 2-50 um.
The further improvement of the invention is that the side lengths of the square pits, the diamond pits and the triangular pits are 10-500 um, and the depth is 2-50 um.
The further improvement of the invention is that the space between adjacent pits in the texture area is 10-500 um.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the concave pit type texture is designed on the interference connection matching surface, so that the contact rigidity and the contact damping of the assembly joint surface can be effectively changed, specifically, the contact rigidity of the assembly joint surface is improved, the advantages of vibration reduction and isolation are achieved, the interference connection strength is improved, and the comprehensive performance of the interference connection is effectively improved.
Drawings
FIG. 1 is a schematic view of a well.
Fig. 2 is a schematic view of a pin.
Fig. 3 is a schematic diagram of textured and non-textured areas on a pin.
Fig. 4 is a three-dimensional view of a square textured pin. Wherein (a) is a sectional view taken along the line B-B in FIG (C), (B) is a sectional view taken along the line A-A in FIG (a), (C) is a plan view, and (d) is a sectional view taken along the line C-C in FIG (a).
In the figure: 1-texture area (dark color area), 2-non-texture area, 3-square pit, 4-diamond pit, 5-round pit, 6-oval pit, 7-triangular pit and 8-strip pit.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The following description will take the interference fit connection of the cylindrical surfaces of the pins as an example.
Referring to fig. 1, 2 and 3, a textured area 1 and an untextured area 2 are arranged on the connecting surface of the interference fit pin shaft. The area of the texture zone 1 accounts for 10-90% of the total area of the connecting surface; wherein, the texture zone 1 is provided with a plurality of pit type textures.
The connecting surface in interference fit comprises an outer circle matching surface (namely a hole on the part) and an inner circle matching surface (namely the surface of the pin shaft); the texture area is only designed on the outer circle matching surface of the connecting surface group (see figure 1), or only designed on the inner circle matching surface of the connecting surface group, or simultaneously designed on the outer circle matching surface and the inner circle matching surface of the connecting surface group.
The pit type texture arranged in the texture area 1 is any combination of one or more of a circular pit 3, a square pit 4, a diamond pit 5, an oval pit 6 and a triangular pit 7.
The pit textures are parallel to the axial direction of the connecting surface group or are arranged at a certain angle (0-90 degrees) or/and are arranged. Specifically, the array may be arranged in rows, columns, or both rows and columns.
The geometrical parameters of the circular pits 3 are as follows: the diameter is 10 ~ 500um, and the degree of depth is 2 ~ 50 um.
The geometrical parameters of the oval pits 6 are: the length of the long axis and the short axis is 10-500 um, and the depth is 2-50 um.
The geometrical parameters of the square pits 3 and the diamond pits 5 are as follows: the side length is 10 ~ 500um, and the degree of depth is 2 ~ 50 um.
The geometrical parameters of the triangular pits 7 are as follows: one side length is 10-500 um, and the depth is 2-50 um.
The interval between the adjacent pits of the texture area is 10-500 um.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, the concave texture is designed on the interference connection matching surface, so that the contact characteristic of the connection matching surface is changed, and the comprehensive performance of the interference connection can be effectively improved.
Example 1
The connection surface group formed by the matching of the outer circle surface of the pin shaft and the inner circle surface of the pin hole is the most common interference connection of mechanical equipment, and the invention is further explained by taking a square textured pin shaft as an example with reference to fig. 4.
A textured area 1 and an untextured area 2 are designed on an interference fit connecting surface formed by the pin shaft and the pin hole.
The texture zone is only designed on the outer circle matching surface (shown in figure 4) of the pin shaft.
The texture zone 1 is provided with square pits 3.
The square pits 3 are arranged in rows and columns along the axial direction of the pin shaft (namely 0 degree).
The geometric parameters of the square pits 3 are as follows: the side length is 10 ~ 500um, and the degree of depth is 2 ~ 50 um.
The interval between adjacent square pits in the texture area is 10-500 um.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical scheme according to the technical idea of the present invention also falls within the protection scope of the present invention; the technology not related to the invention can be realized by the prior art.
Claims (1)
1. A method for designing a textured interference joint face group is characterized in that a textured area (1) and a non-textured area (2) are arranged on a joint face in interference fit, and the area of the textured area (1) accounts for 10% -90% of the total area of the joint face; wherein, the texture zone (1) is provided with a plurality of pit-type textures;
the interference fit connecting surface comprises an outer circle matching surface and an inner circle matching surface; the texture area (1) is arranged on the excircle matching surface of the connecting surface group, the inner circle matching surface of the connecting surface group, or the excircle matching surface and the inner circle matching surface of the connecting surface group;
the pit textures are arranged in rows or/and columns along the axial direction of the connecting surface;
each row or each column of pit texture and the axial direction of the connecting surface form an angle of 0-90 degrees;
the texture area (1) is provided with one or any combination of a plurality of circular pits (3), square pits (4), rhombic pits (5), oval pits (6) and triangular pits (7);
the space between adjacent pits of the texture area is 10-500 um; the depth of the pits is 2-50 um;
by arranging the pit-shaped texture, the contact rigidity and the contact damping of the assembling joint surface can be changed
The diameter of the circular pit (3) is 10-500 um
The side lengths of the square pits (3), the diamond pits (5) and the triangular pits (7) are 10-500 um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810637451.4A CN108869473B (en) | 2018-06-20 | 2018-06-20 | Textured interference joint face group design method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810637451.4A CN108869473B (en) | 2018-06-20 | 2018-06-20 | Textured interference joint face group design method |
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| Publication Number | Publication Date |
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| CN108869473A CN108869473A (en) | 2018-11-23 |
| CN108869473B true CN108869473B (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810637451.4A Active CN108869473B (en) | 2018-06-20 | 2018-06-20 | Textured interference joint face group design method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110273921A (en) * | 2019-06-13 | 2019-09-24 | 天津大学 | A kind of full working scope composite construction sliding bearing |
| CN111687591B (en) * | 2020-05-20 | 2021-12-31 | 西安理工大学 | Surface texture with functions of reducing friction and improving oil film bearing capacity and manufacturing method thereof |
| CN113700748B (en) * | 2021-07-20 | 2023-05-26 | 山东科技大学 | Composite textured surface for radial slide bearing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202422766U (en) * | 2011-11-14 | 2012-09-05 | 福建船政交通职业学院 | Elliptical composite surface texture |
| CN103453021A (en) * | 2013-09-13 | 2013-12-18 | 西南石油大学 | Textured roller bit sliding bearing and test method of unit tribological property of texture roller bit sliding bearing |
| CN106300710A (en) * | 2016-10-18 | 2017-01-04 | 合肥工业大学 | A kind of motor stator casing assembly and groove method for designing carrying out groove design based on elastic mechanics model |
| CN106523529A (en) * | 2016-12-28 | 2017-03-22 | 哈尔滨工业大学 | Method for manufacturing wear-resistance cage by laser texturing and rolling bearing |
| CN106670514A (en) * | 2016-12-09 | 2017-05-17 | 南京航空航天大学 | Mixed type surface texturing tool |
-
2018
- 2018-06-20 CN CN201810637451.4A patent/CN108869473B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202422766U (en) * | 2011-11-14 | 2012-09-05 | 福建船政交通职业学院 | Elliptical composite surface texture |
| CN103453021A (en) * | 2013-09-13 | 2013-12-18 | 西南石油大学 | Textured roller bit sliding bearing and test method of unit tribological property of texture roller bit sliding bearing |
| CN106300710A (en) * | 2016-10-18 | 2017-01-04 | 合肥工业大学 | A kind of motor stator casing assembly and groove method for designing carrying out groove design based on elastic mechanics model |
| CN106670514A (en) * | 2016-12-09 | 2017-05-17 | 南京航空航天大学 | Mixed type surface texturing tool |
| CN106523529A (en) * | 2016-12-28 | 2017-03-22 | 哈尔滨工业大学 | Method for manufacturing wear-resistance cage by laser texturing and rolling bearing |
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| Publication number | Publication date |
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| CN108869473A (en) | 2018-11-23 |
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