CN115070489A - Rapid positioning method and positioning device for intersection point of outer circular groove and inner spiral groove - Google Patents
Rapid positioning method and positioning device for intersection point of outer circular groove and inner spiral groove Download PDFInfo
- Publication number
- CN115070489A CN115070489A CN202210728214.5A CN202210728214A CN115070489A CN 115070489 A CN115070489 A CN 115070489A CN 202210728214 A CN202210728214 A CN 202210728214A CN 115070489 A CN115070489 A CN 115070489A
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- core rod
- positioner
- bush
- nut
- groove
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 5
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention relates to the technical field of production and manufacture of installation bushes of airplane lubricating bearings, in particular to a rapid positioning method and a positioning device for intersection points of an outer circular ring groove and an inner spiral groove, which comprise a core rod, a bush, a positioning pin, a positioner and a nut, wherein the core rod is clamped on a three-jaw dividing disc, the bush needing to be punched is sleeved on a matching shaft at the thin end of the core rod, the nut is pre-tightened at the thread position of the core rod to ensure that the bush can rotate by hand, the positioning pin and the positioner are held by hands, the thin end of the positioner is inserted into an axial hole of the matching shaft at the thin end of the core rod, the positioning pin penetrates through a radial hole at the thin end part of the core rod, the bush is rotated by one hand, the positioner is forced towards the core rod by the other hand, the positioner is clamped into a bush groove when the positioning pin, and the nut is screwed down, compared with the prior art, the positioning pin is inserted into the core rod to accurately position the positioner, the positioner is fixed by the bush and the nut, the intersection point of the outer circular ring groove and the inner rotary groove is quickly positioned, complex precision measurement is not needed, and the method has high application value.
Description
Technical Field
The invention relates to the technical field of production and manufacturing of installation bushes of aircraft lubrication bearings, in particular to a method and a device for quickly positioning intersection points of an outer circular groove and an inner spiral groove.
Background
In the buffer strut of the landing gear of the airplane, due to the influence of the reasons of structural complexity, environmental factors and the like, the bearing in the operation process needs to be fully lubricated, and an outer circular ring groove on a mounting bush of the bearing is required to be communicated with a spiral groove in the bearing.
The existing production and manufacturing needs to utilize high-end measuring instruments and equipment for processing, but the main defects in the prior art are as follows:
1. the processing efficiency is low, and the measuring period is long;
2. the processing and positioning are difficult, and the position of the hole can not be ensured to be just on the outer circular groove and the inner spiral groove;
3. the equipment utilization rate is low, the processing cost is high, and the success rate is low.
Therefore, a method and a device for quickly positioning the intersection point of the outer circular groove and the inner spiral groove are needed to be designed, the above-mentioned technical problems are solved, the intersection point of the outer circular groove and the inner spiral groove can be quickly positioned through a simple tool design, and complex precise measurement is not needed.
Disclosure of Invention
The present invention aims to provide a method and a device for quickly positioning the intersection point of an outer circular groove and an inner circular groove to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a quick positioning method and a positioning device for intersection points of an outer circular groove and an inner circular groove comprise a core rod, a lining, a positioning pin, a positioner and a nut, wherein the core rod is in clearance fit with the lining and is fixed with the nut through a threaded tightening end, and the positioning pin is in interference fit with the positioner.
The core rod comprises a clamping part of the three-jaw indexing disc, a matching part of the three-jaw indexing disc and the bushing, a threaded part connected with the nut and a positioning pin hole.
The positioning pin comprises a positioning part in interference fit with the positioner and a boss part clamped into the spiral groove.
The boss portion includes a drill guide hole and a circular arc portion that is spiral around the avoiding point.
A quick positioning method for a positioning device of an intersection point of an outer circular groove and an inner circular groove comprises the following steps:
s1: clamping the core rod on a three-jaw index plate;
s2: sleeving a bush to be punched on a matching shaft at the thin end of the core rod;
s3: pre-tightening a nut at the thread of the core rod to ensure that the bushing can rotate by hand;
s4: the positioning pin and the positioner are held by hands, the thin end of the positioner is inserted into an axial hole of the matching shaft of the thin end of the core rod, and the positioning pin penetrates through a radial hole of the thin end part of the core rod;
s5: and one hand rotates the bush, the other hand holds the positioner to apply force towards the core rod, and when the positioning pin is clamped in the bush groove, the nut is screwed down.
Compared with the prior art, the positioning device is accurately positioned by inserting the positioning pin into the core rod and is fixed by the bushing and the nut, so that the intersection point of the outer circular ring groove and the inner rotary groove can be quickly positioned, complex precision measurement is not required, and the positioning device has higher application value.
Drawings
FIG. 1 is a schematic view of an overall apparatus of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a quick positioning method and a positioning device for intersection points of an outer circular groove and an inner circular groove comprise a core rod 1, a lining 2, a positioning pin 3, a positioner 4 and a nut 5, wherein the core rod 1 is in clearance fit with the lining 2 and is fixed with the nut 5 through a threaded tightening end, and the positioning pin 3 is in interference fit with the positioner 4.
The core rod 1 comprises a clamping part of the three-jaw indexing disc, a matching part of the three-jaw indexing disc and the bushing 2, a threaded part connected with the nut 5 and a positioning pin hole.
The positioning pin 3 includes a positioning portion that is interference-fitted with the locator 4 and a boss portion that is caught in the spiral groove.
The boss portion includes a drill guide hole and a circular arc portion that is spiral around the avoiding point.
A quick positioning method for a positioning device of an intersection point of an outer circular groove and an inner circular groove comprises the following steps:
s1: clamping the core rod 1 on a three-jaw index plate;
s2: sleeving a bush 2 to be punched on a matching shaft at the thin end of the core rod 1;
s3: a nut 5 is pre-tightened at the thread of the core rod 1 to ensure that the bush 2 can rotate by hand;
s4: holding a positioning pin 3 and a positioner 4 by hand, inserting the thin end of the positioner 4 into an axial hole of a thin end matching shaft of the core rod 1, and enabling the positioning pin 3 to penetrate through a radial hole of the thin end part of the core rod 1;
s5: the bush 2 is rotated by one hand, the locator 4 is held by the other hand to exert force towards the core rod 1, and when the locating pin 3 is clamped into the groove of the bush 2, the nut 5 is screwed.
The working principle is as follows:
s1: clamping the core rod 1 on a three-jaw index plate;
s2: sleeving a bush 2 to be punched on a matching shaft at the thin end of the core rod 1;
s3: a nut 5 is pre-tightened at the thread of the core rod 1 to ensure that the bush 2 can rotate by hand;
s4: holding a positioning pin 3 and a positioner 4 by hand, inserting the thin end of the positioner 4 into an axial hole of a thin end matching shaft of the core rod 1, and enabling the positioning pin 3 to penetrate through a radial hole of the thin end part of the core rod 1;
s5: the bush 2 is rotated by one hand, the locator 4 is held by the other hand to exert force towards the core rod 1, and when the locating pin 3 is clamped into the groove of the bush 2, the nut 5 is screwed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The invention integrally solves the problem caused by the fact that a high-end measuring instrument and equipment are required to be used for processing when the outer circular ring groove on the mounting lining of the bearing manufactured in the prior art is communicated with the spiral groove in the mounting lining, the positioning pin is inserted into the core rod to accurately position the positioner, and the lining and the nut are used for fixing, so that the intersection point of the outer circular ring groove and the inner rotary groove can be quickly positioned, complex precise measurement is not required to be provided, and the bearing has high application value.
Claims (5)
1. The utility model provides a positioner of outer circular groove and interior spiral groove nodical, its characterized in that, includes plug (1), bush (2), locating pin (3), locator (4) and nut (5), plug (1) and bush (2) clearance fit and screw up the end through the screw thread and fix with nut (5), locating pin (3) and locator (4) interference fit.
2. The device for locating the intersection point of an external circular groove and an internal circular groove according to claim 1, wherein the core rod (1) comprises a clamping part of a three-jaw indexing disc, a matching part with the bushing (2), a threaded part connected with the nut (5) and a locating pin hole.
3. The device for locating the intersection point of an outer circular groove and an inner spiral groove as claimed in claim 1, wherein the locating pin (3) comprises a locating part which is in interference fit with the locator (4) and a boss part which is clamped into the spiral groove.
4. The apparatus as claimed in claim 3, wherein the boss portion includes a drill guide hole and a circular arc portion around the spiral avoiding the point of engagement.
5. A quick positioning method for a positioning device of an intersection point of an outer circular groove and an inner spiral groove is characterized by comprising the following steps:
s1: clamping a core rod (1) on a three-jaw index plate;
s2: sleeving a bush (2) to be punched on a matching shaft at the thin end of the core rod (1);
s3: the nut (5) is pre-tightened at the thread of the core rod (1) to ensure that the bushing (2) can rotate by hand;
s4: the positioning pin (3) and the positioner (4) are held by hands, the thin end of the positioner (4) is inserted into an axial hole of a thin end matching shaft of the core rod (1), and the positioning pin (3) penetrates through a radial hole of the thin end part of the core rod (1);
s5: the bushing (2) is rotated by one hand, the positioning device (4) is held by the other hand to exert force towards the core rod (1), and when the positioning pin (3) is clamped into the groove of the bushing (2), the nut (5) is screwed down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210728214.5A CN115070489A (en) | 2022-06-25 | 2022-06-25 | Rapid positioning method and positioning device for intersection point of outer circular groove and inner spiral groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210728214.5A CN115070489A (en) | 2022-06-25 | 2022-06-25 | Rapid positioning method and positioning device for intersection point of outer circular groove and inner spiral groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115070489A true CN115070489A (en) | 2022-09-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210728214.5A Pending CN115070489A (en) | 2022-06-25 | 2022-06-25 | Rapid positioning method and positioning device for intersection point of outer circular groove and inner spiral groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115070489A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116374435A (en) * | 2023-05-19 | 2023-07-04 | 新乡东方工业科技有限公司 | Tobacco delivery transport case |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1757843A1 (en) * | 1990-08-21 | 1992-08-30 | В.П.Алешин | Workpiece orienting device |
| US5711647A (en) * | 1994-10-17 | 1998-01-27 | Aesop, Inc. | Method of and apparatus for locating and orientating a part on a gripper and transferring it to a tool while maintaining location and orientation on the tool |
| CN2638919Y (en) * | 2003-05-28 | 2004-09-08 | 富伟精机股份有限公司 | Rotation auxiliary mould clamping apparatus |
| CN203612225U (en) * | 2013-11-08 | 2014-05-28 | 中航飞机股份有限公司西安飞机分公司 | Quick clamping and positioning device for aircraft intersection point |
| CN105252314A (en) * | 2015-11-27 | 2016-01-20 | 沈阳飞机工业（集团）有限公司 | Mechanism and method for quickly positioning airplane components |
| CN205968765U (en) * | 2016-07-18 | 2017-02-22 | 上海上飞飞机装备制造有限公司 | Telescopic round hole locator |
| CN111203836A (en) * | 2018-11-22 | 2020-05-29 | 成都飞机工业（集团）有限责任公司 | Section bar locator rapid Assembly frock |
-
2022
- 2022-06-25 CN CN202210728214.5A patent/CN115070489A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1757843A1 (en) * | 1990-08-21 | 1992-08-30 | В.П.Алешин | Workpiece orienting device |
| US5711647A (en) * | 1994-10-17 | 1998-01-27 | Aesop, Inc. | Method of and apparatus for locating and orientating a part on a gripper and transferring it to a tool while maintaining location and orientation on the tool |
| CN2638919Y (en) * | 2003-05-28 | 2004-09-08 | 富伟精机股份有限公司 | Rotation auxiliary mould clamping apparatus |
| CN203612225U (en) * | 2013-11-08 | 2014-05-28 | 中航飞机股份有限公司西安飞机分公司 | Quick clamping and positioning device for aircraft intersection point |
| CN105252314A (en) * | 2015-11-27 | 2016-01-20 | 沈阳飞机工业（集团）有限公司 | Mechanism and method for quickly positioning airplane components |
| CN205968765U (en) * | 2016-07-18 | 2017-02-22 | 上海上飞飞机装备制造有限公司 | Telescopic round hole locator |
| CN111203836A (en) * | 2018-11-22 | 2020-05-29 | 成都飞机工业（集团）有限责任公司 | Section bar locator rapid Assembly frock |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116374435A (en) * | 2023-05-19 | 2023-07-04 | 新乡东方工业科技有限公司 | Tobacco delivery transport case |
| CN116374435B (en) * | 2023-05-19 | 2023-08-22 | 新乡东方工业科技有限公司 | Tobacco delivery transport case |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| CB03 | Change of inventor or designer information |
Inventor after: Yang Liqing Inventor after: Xu Qi Inventor after: Zhu Yu Inventor after: Cao Yang Inventor after: Liu Yulin Inventor before: Yang Lichun Inventor before: Xu Qi Inventor before: Zhu Yu Inventor before: Cao Yang Inventor before: Liu Yulin |