CN115247990A - Detection clamp and method for unlocking eccentricity of lock assembly - Google Patents
Detection clamp and method for unlocking eccentricity of lock assembly Download PDFInfo
- Publication number
- CN115247990A CN115247990A CN202210801217.7A CN202210801217A CN115247990A CN 115247990 A CN115247990 A CN 115247990A CN 202210801217 A CN202210801217 A CN 202210801217A CN 115247990 A CN115247990 A CN 115247990A
- Authority
- CN
- China
- Prior art keywords
- lock assembly
- eccentricity
- unlocking
- support
- nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000001514 detection method Methods 0.000 title claims description 12
- 238000003825 pressing Methods 0.000 claims description 17
- 229910003460 diamond Inorganic materials 0.000 claims description 10
- 239000010432 diamond Substances 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 10
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000000691 measurement method Methods 0.000 abstract description 2
- 230000000712 assembly Effects 0.000 abstract 2
- 238000000429 assembly Methods 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention belongs to the technical field of positioning fixtures for unlocking eccentricity of lock assemblies, and provides a fixture and a method for detecting the unlocking eccentricity of the lock assemblies. The fixture is characterized in that two holes for core positioning are found in a complex assembly, the two holes and the plane of an assembly shell are used for positioning, a support is designed at the same time, the plane of the support simulates the position of the center of a bolt required for measurement, the position of a check block is controlled in a mode of combining a spring and a guide pillar, the check block is made to abut against the end face of a lock hook of the assembly, and the purpose of measuring the unlocking eccentricity is achieved by measuring the size of a gap between the end face of the support and the end face of the check block. According to the invention, through the positioning of the support and the check block, the opening of the lock hook required by unlocking eccentricity and the center of the bolt can be accurately converted into one position for measurement, the space size is converted into one plane, and the processing precision required by a drawing and the consistency of a measurement method are ensured.
Description
Technical Field
The invention relates to the technical field of a positioning fixture for unlocking eccentricity of a lock assembly, in particular to a detection fixture and a detection method for the unlocking eccentricity of the lock assembly.
Background
The landing gear lock type assembly (figure 2) plays a crucial role in the retraction and extension of the landing gear, and the accuracy of the unlocking eccentricity directly influences whether the landing gear can be accurately extended or not. The assembly has more component parts and complex structure, and strict requirements on gaps and position precision exist among the components. According to the design requirement, the size of the unlocking eccentricity is measured, if the requirement is not met, the locking hook stopping block is filed to ensure the requirement, and if the measurement is not accurate, the filing quantity is wrong, so that the unlocking eccentricity is out of tolerance, and the realization of the normal locking and unlocking actions of the lock assembly is possibly influenced.
The unlocking eccentricity measurement method in actual processing still continues to be used for scribing measurement for many years, and has the following defects: 1. a reliable positioning surface is lacked, the position of a measuring point cannot be accurately obtained, and the measuring precision cannot be guaranteed; 2. workers need to measure by means of a scribing platform and equipment, and human errors and equipment errors are large; 3. the preparation time is long, the processing efficiency is affected, the phenomena directly cause the phenomena of delayed production period of components in batch production, reduced product quality and even ultra-poor scrapping, and a better method is urgently needed to be found for solving the problems.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention relates to a clamp developed for measuring unlocking eccentricity of a lock assembly, which can be used for measuring the eccentricity of the lock assembly with a similar structure. The fixture is characterized in that two holes for core positioning are found in a complex assembly, the two holes and the plane of an assembly shell are used for positioning, a support is designed at the same time, the plane of the support simulates the position of the center of a bolt required for measurement, the position of a check block is controlled in a mode of combining a spring and a guide pillar, the check block is made to abut against the end face of a lock hook of the assembly, and the purpose of measuring the unlocking eccentricity is achieved by measuring the size of a gap between the end face of the support and the end face of the check block.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a detection clamp for unlocking eccentricity of a lock assembly comprises a base plate 1, a support 2, a detection block 3, a guide pillar 4, a base plate 5, a pressing plate 6, a common nut 7, a stud 8, a bolt 9, a diamond-shaped positioning pin 10, a cylindrical pin 11, a screw 12, a spring 13, a special-shaped nut 14, a round positioning pin 15 and a nut 16 with a shoulder;
the bottom plate 1 is rectangular, and a backing plate 5 is arranged on the bottom plate through a cylindrical pin 11 and a screw 12; the backing plate 5 is provided with two positioning holes, the connecting line of the two positioning holes and the long edge of the bottom plate 1 form an angle of 84 degrees, and the positioning holes are respectively provided with a diamond positioning pin 10 and a round positioning pin 15; a stud 8 with a common nut 7 and a bolt 9 with a common nut 7 are sequentially arranged at one end of the bottom plate 1 close to the base plate 5; the bolt 9 is close to the short side of the bottom plate 1, and the central connecting line of the bolt and the stud 8 is parallel to the long side of the bottom plate 1; the stud 8 passes through the pressure plate 6 and is fixed by a nut 16 with a shoulder; the other end of the bottom plate 1 is provided with a blocky support 2 through a cylindrical pin 11 and a screw 12; a concave hole is arranged in one end of the support 2, one end of the spring 13 is arranged in the concave hole, and the other end of the spring is contacted with the blocky inspection block 3; the inspection block 3 is provided with a through hole which is coaxial with the concave hole on the support 2; the guide post 4 sequentially penetrates through the through hole and the spring 13, one end of the guide post is fixed in the concave hole through the cylindrical pin 11, and the other end of the guide post is screwed and fixed through the special-shaped nut 14; the height of the plane of the support 2 is aligned with the height of the central plane of the bolt when the measuring lock assembly 17 is unlocked eccentrically, and one end of the support 2 is coaxial with the axis of the bolt when the measuring lock assembly 17 is unlocked eccentrically;
the relative positions of the diamond positioning pin 10 and the round positioning pin 15 correspond to the relative positions of the positioning holes of the lock assembly 17, when the lock assembly is installed, the two positioning holes of the lock assembly 17 are respectively installed on the diamond positioning pin 10 and the round positioning pin 15, and the bottom surface of the lock assembly 17 is attached to the plane of the base plate 5; the working surface of the inspection block 3 is attached to the opening of the lock hook of the lock assembly 17; the unlocking eccentricity is measured by measuring the clearance between the check block 3 and the support 2.
A method for detecting unlocking eccentricity of a lock assembly comprises the following steps:
screwing off a shoulder nut 16 of the pressing plate 6, and installing a lock assembly 17 in the diamond positioning pin 10 and the round positioning pin 15; pressing the pressing plate 6, screwing the shoulder nut 16, and finally, enabling the inspection block 3 to be close to the opening of the lock hook of the lock assembly 17 through the special-shaped nut 14;
and 3, measuring unlocking eccentricity.
The invention has the beneficial effects that: 1. two hole location for the location size is more accurate, and is reliable and stable, does benefit to and improves the measuring accuracy, and whole anchor clamps make the eccentric detection precision of unblanking increase substantially, and product quality is effectively guaranteed, has more improved machining efficiency, has guaranteed the production cycle of subassembly. 2. Through the positioning of the support and the check block, the lock hook opening required by unlocking eccentricity and the bolt center can be accurately converted into one position for measurement, the space size is converted into one plane, the machining precision required by a drawing and the consistency of a measuring method are ensured, the operation is convenient, the positioning is reliable, the measurement is accurate, and the accurate guarantee of the gap and the position precision among parts in a subsequent assembly is facilitated; 3. the clamp is convenient to manufacture and can be used for a long time, and the economy is realized; 4. the clamp is compact in structure, convenient to carry and use and capable of meeting the requirements of part machining precision and production progress.
Drawings
FIG. 1 (a) is a front view of a detecting clamp for eccentricity of unlocking of a lock assembly;
FIG. 1 (b) is a top view of a detecting jig for eccentricity of unlocking of a lock assembly;
FIG. 2 is a diagram of a lock class assembly;
FIG. 3 (a) is an elevation view of the lock assembly installation;
fig. 3 (b) is a plan view showing the installation of the lock assembly.
In the figure: 1. a base plate; 2. a support; 3. a check block; 4. a guide post; 5. a base plate; 6. pressing a plate; 7. a common nut; 8. a stud; 9. a bolt; 10. a diamond-shaped positioning pin; 11. a cylindrical pin; 12. a screw; 13. a spring; 14. a special-shaped nut; 15. a circular positioning pin; 16. a shoulder nut; 17. a lock-like component.
Detailed Description
The installation and use method of the detection clamp for the unlocking eccentricity of the lock assembly comprises the following steps:
step 1.2, installing a backing plate 5 on a bottom plate 1 by using a screw 12 and 2 cylindrical pins 11;
step 4, screwing a common nut 7 on a bolt 9, installing the bolt 9 with the common nut 7 beside a stud 8 on the bottom plate 1, and attaching the bolt head of the bolt 9 to the bottom plate 1;
and 11, after the measurement is finished, unscrewing the shoulder nut 16, unscrewing the special-shaped nut 14, and removing the pressing plate 6 to finish the disassembly of the part.
Claims (2)
1. The detection clamp for the unlocking eccentricity of the lock assembly is characterized by comprising a base plate (1), a support (2), a detection block (3), a guide pillar (4), a base plate (5), a pressing plate (6), a common nut (7), a stud (8), a bolt (9), a diamond-shaped positioning pin (10), a cylindrical pin (11), a screw (12), a spring (13), a special-shaped nut (14), a round positioning pin (15) and a nut with a shoulder (16);
the base plate (1) is rectangular, and a base plate (5) is arranged on the base plate through a cylindrical pin (11) and a screw (12); the backing plate (5) is provided with two positioning holes, the connecting line of the two positioning holes and the long edge of the bottom plate (1) form an angle of 84 degrees, and the positioning holes are respectively provided with a diamond positioning pin (10) and a round positioning pin (15); a stud (8) with a common nut (7) and a bolt (9) with the common nut (7) are sequentially arranged at one end of the bottom plate (1) close to the base plate (5); the bolt (9) is close to the short side of the bottom plate (1), and the central connecting line of the bolt and the stud (8) is parallel to the long side of the bottom plate (1); the stud (8) penetrates through the pressing plate (6) and is fixed by a nut (16) with a shoulder; the other end of the bottom plate (1) is provided with a blocky support (2) through a cylindrical pin (11) and a screw (12); a concave hole is arranged in one end of the support (2), one end of the spring (13) is arranged in the concave hole, and the other end of the spring is contacted with the blocky inspection block (3); the inspection block (3) is provided with a through hole which is coaxial with the concave hole on the support (2); the guide post (4) sequentially penetrates through the through hole and the spring (13), one end of the guide post is fixed in the concave hole through the cylindrical pin (11), and the other end of the guide post is screwed and fixed through the special-shaped nut (14); the height of the plane of the support (2) is aligned with the height of the central plane of the bolt when the measuring lock assembly (17) is unlocked eccentrically, and one end of the support (2) is coaxial with the axis of the bolt when the measuring lock assembly (17) is unlocked eccentrically;
the relative position of the diamond positioning pin (10) and the circular positioning pin (15) corresponds to the relative position of the positioning hole of the lock assembly (17), when the lock assembly is installed, the two positioning holes of the lock assembly (17) are respectively installed on the diamond positioning pin (10) and the circular positioning pin (15), and the bottom surface of the lock assembly (17) is attached to the plane of the base plate (5); the working surface of the inspection block (3) is attached to the opening of a lock hook of the lock assembly (17); and measuring the gap between the check block (3) and the support (2) to measure the unlocking eccentricity.
2. A method for detecting unlocking eccentricity of a lock assembly is characterized by comprising the following steps:
step 1, assembling a detection clamp for the unlocking eccentricity of a lock assembly;
step 2, installing a lock assembly (17);
screwing off a nut (16) with a shoulder of the pressing plate (6), and installing a lock assembly (17) in the diamond positioning pin (10) and the circular positioning pin (15); pressing the pressing plate (6) on, screwing the shoulder nut (16), and finally enabling the inspection block (3) to be close to the opening of the lock hook of the lock assembly (17) through the special-shaped nut (14);
step 3, measuring unlocking eccentricity; the unlocking eccentricity is measured by measuring the clearance between the check block (3) and the support (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210801217.7A CN115247990B (en) | 2022-07-07 | 2022-07-07 | Detection clamp and method for unlocking eccentricity of lock assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210801217.7A CN115247990B (en) | 2022-07-07 | 2022-07-07 | Detection clamp and method for unlocking eccentricity of lock assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115247990A true CN115247990A (en) | 2022-10-28 |
| CN115247990B CN115247990B (en) | 2024-07-23 |
Family
ID=83700239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210801217.7A Active CN115247990B (en) | 2022-07-07 | 2022-07-07 | Detection clamp and method for unlocking eccentricity of lock assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115247990B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0034799A2 (en) * | 1980-02-22 | 1981-09-02 | Georg Fischer Aktiengesellschaft | Test device for disk wheels and/or rim parts |
| EP2138803A1 (en) * | 2008-06-26 | 2009-12-30 | Mitutoyo Corporation | Jig for measuring an object shape and method for measuring a three-dimensional shape |
| JP3161883U (en) * | 2009-06-29 | 2010-08-12 | 漢諺精密工業有限公司 | Eccentricity measuring instrument |
| CN202329505U (en) * | 2011-11-09 | 2012-07-11 | 赵忠兴 | Position error inspection jig |
| CN202903112U (en) * | 2012-11-26 | 2013-04-24 | 重庆美心翼申机械制造有限公司 | Testing fixture for detecting included angle between main shaft plane and eccentric plane of shaft parts |
| CN106002421A (en) * | 2016-06-16 | 2016-10-12 | 沈阳飞机工业（集团）有限公司 | Special-shaped part turning fixture and application method thereof |
| CN208556083U (en) * | 2018-05-29 | 2019-03-01 | 沈阳飞机工业（集团）有限公司 | Support arm part deflection auricle hole machined and detection common fixture |
| US20190323815A1 (en) * | 2018-04-19 | 2019-10-24 | Citic Dicastal Co., Ltd | Steering knuckle deformation gauge |
-
2022
- 2022-07-07 CN CN202210801217.7A patent/CN115247990B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0034799A2 (en) * | 1980-02-22 | 1981-09-02 | Georg Fischer Aktiengesellschaft | Test device for disk wheels and/or rim parts |
| EP2138803A1 (en) * | 2008-06-26 | 2009-12-30 | Mitutoyo Corporation | Jig for measuring an object shape and method for measuring a three-dimensional shape |
| JP3161883U (en) * | 2009-06-29 | 2010-08-12 | 漢諺精密工業有限公司 | Eccentricity measuring instrument |
| CN202329505U (en) * | 2011-11-09 | 2012-07-11 | 赵忠兴 | Position error inspection jig |
| CN202903112U (en) * | 2012-11-26 | 2013-04-24 | 重庆美心翼申机械制造有限公司 | Testing fixture for detecting included angle between main shaft plane and eccentric plane of shaft parts |
| CN106002421A (en) * | 2016-06-16 | 2016-10-12 | 沈阳飞机工业（集团）有限公司 | Special-shaped part turning fixture and application method thereof |
| US20190323815A1 (en) * | 2018-04-19 | 2019-10-24 | Citic Dicastal Co., Ltd | Steering knuckle deformation gauge |
| CN208556083U (en) * | 2018-05-29 | 2019-03-01 | 沈阳飞机工业（集团）有限公司 | Support arm part deflection auricle hole machined and detection common fixture |
Non-Patent Citations (1)
| Title |
|---|
| 张玲玲;吕仲虎;: "带偏心锥孔锁定套的加工", 金属加工(冷加工), no. 08, 1 August 2020 (2020-08-01) * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115247990B (en) | 2024-07-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115247990A (en) | Detection clamp and method for unlocking eccentricity of lock assembly | |
| CN212512868U (en) | Wedge-shaped anti-loosening threaded fastener measuring gauge | |
| CN203534502U (en) | Clamping seat for measuring degree of symmetry of blade root of blade | |
| CN213335846U (en) | High-precision measuring device for measuring runout of bolt thread pitch diameter to polished rod | |
| CN212095562U (en) | Special internal diameter measuring tool for exhaust assembly in aircraft engine | |
| CN208366312U (en) | Efficient stamping parts detection device | |
| CN208476108U (en) | A kind of zero clearance mechanical detection hole location device | |
| CN220367151U (en) | Adjustable conical shell hardness checking and positioning tool | |
| CN113579852B (en) | Auxiliary measuring device for automatic processing of lugs and using method thereof | |
| CN201609833U (en) | Tool used for processing and inspecting steam turbine blade root go-gauge | |
| CN218566354U (en) | Integral type size deviation inspection frock | |
| CN216846047U (en) | Camshaft positioning key groove symmetry degree checking fixture | |
| CN218973375U (en) | Sliding door upper hinge assembly checking fixture | |
| CN219589604U (en) | Measuring tool structure for measuring profile of blade edge plate surface of aero-engine | |
| CN216898631U (en) | Adjustable size inspection leads to no-go gage | |
| CN211783278U (en) | Workpiece bending deformation meter measuring and checking tool | |
| CN212692763U (en) | Tool is examined in nail shooter spring beam profile tolerance is synthesized | |
| CN215114461U (en) | Brake lining support inspection tool | |
| CN218994262U (en) | Contour degree measurement gauge | |
| CN215447650U (en) | Detection tool for position degree of converter part of harvester | |
| CN218973395U (en) | Rapid detection equipment for crawler belt connecting ring of crawler vehicle | |
| CN218847079U (en) | Device for detecting small-end inclined plane of connecting rod of variable compression ratio engine | |
| CN221262041U (en) | Positioning mechanism for composite insulator | |
| CN216925457U (en) | Reading head calibration tool | |
| CN219301499U (en) | Measuring gauge for initial tooth angle of threaded hole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |