CN102003928B - Detection device for center distance of circular arcs on two sides of inner wall of piston bridge and application method of detection device - Google Patents
Detection device for center distance of circular arcs on two sides of inner wall of piston bridge and application method of detection device Download PDFInfo
- Publication number
- CN102003928B CN102003928B CN2010102836382A CN201010283638A CN102003928B CN 102003928 B CN102003928 B CN 102003928B CN 2010102836382 A CN2010102836382 A CN 2010102836382A CN 201010283638 A CN201010283638 A CN 201010283638A CN 102003928 B CN102003928 B CN 102003928B
- Authority
- CN
- China
- Prior art keywords
- slide block
- piston
- length
- detection
- core axle
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a detection device for center distance of circular arcs on two sides of the inner wall of a piston bridge, which is provided with a workbench, wherein a locating stopper and a meter frame are arranged on the workbench; the locating stopper is provided with a notch and a shaft hole; the shaft hole penetrates through the locating stopper from the top to the notch; a detection sliding block is inserted into the notch; the detection sliding block is provided with a locating hole; the detection end of the detection sliding block is a circular arc of which the radius is equal to the standard radius of the circular arcs on the two sides of the inner wall of the piston bridge; a locating core shaft is arranged in the shaft hole; a length measuring device is fixed on the meter frame; and a spring is fixed on the locating stopper. The application method comprises the following steps: inserting the locating core shaft into the shaft hole, locating the detection sliding block, and adjusting the reading of the length measuring device to zero; and lifting the locating core shaft, and abutting the swash plate socket of the piston against the detection sliding block, thus the reading of the length measuring device is the error of the center distance between circular arcs on the two sides of the inner wall of the piston bridge. The detection device and method have the advantages of high detection precision, are convenient in operation, and can meet the requirements for industrial production.
Description
Technical field
The present invention relates to the pick-up unit and the method for application of a kind of piston bridge portion inwall two side center of arc distances; The pick-up unit and the method for application of a kind of sloping plate type vehicle compressor of air conditioner piston bridge portion inwall two side center of arc distances of more specifically saying so belong to automobile air conditioner compressor manufacturing technology field.
Background technology
Existing automobile air conditioner compressor adopts the sloping plate type vehicle compressor of air conditioner mostly, and piston two ends of sloping plate type vehicle compressor of air conditioner are cylindrical shape, and the centre is the swash plate socket.Piston two ends are part between the right cylinder, just at the axial counterpart of swash plate socket, are referred to as piston bridge portion.Two sides of the inwall of bridge portion have two sections circular arcs, in automobile air conditioner compressor is produced, the centre distance of two sections circular arcs of two sides of control piston bridge portion inwall that the scale error of centre line is not more than 0.05 millimeter.
To the arc size of piston bridge portion inwall processing is that cutter by special use guarantees; The dimensional tolerence of its centre distance then need add the mode that adopts cutting man-hour; After the error of cutting again inspection center's distance; The parties concerned to influencing centre distance adjust, and the error of centre distance is reached just can carry out ordinary production after regulation requires.At present; Conventional method for the detection of two sections center of arc's distances of two sides of piston bridge portion inwall; General adopt a pan with two sections circular arc equidimensions of two sides of piston inner wall; Piston is bonded on the pan, utilizes the three-dimensional coordinate detector to measure again, or utilize flat board, scale, dial gauge scene to measure.There is the deficiency of inconvenient operation in above-mentioned detection method, can not satisfy the requirement that industrialization is produced.
Summary of the invention
To above-mentioned situation, the problem that quasi-solution of the present invention is determined provides a kind of pick-up unit and method of application of easy to operate piston bridge portion inwall two side center of arc distances, to satisfy batch production requirements.
For achieving the above object; The present invention has adopted following technical scheme: the pick-up unit of a kind of piston bridge portion inwall two side center of arc distances; It has a worktable; On said worktable, be provided with position block and dial framework, the notch, the vertical direction that have level on the said position block are provided with axis hole, and said axis hole runs through the notch of position block top to level; Be inserted with the detection slide block in the said notch; Said detection slide block is provided with pilot hole at the axis hole correspondence position; The mensuration end of said detection slide block, promptly the end away from dial framework is a circular arc, and the circular arc radius of said mensuration end equates with the standard radius of survey piston bridge portion inwall two side circular arcs; Be provided with positioning core axle in the said axis hole, the length of said positioning core axle is greater than the length of axis hole; Regular length measurement mechanism on the said dial framework, the measuring point of said length-measuring appliance is detecting slide block near dial framework one side; Fixing spring on the said position block, said detection slide block is provided with the retaining tip, and said spring is pressed in the retaining tip near dial framework one side.
Said length-measuring appliance can be a dial gauge, and the measuring junction of said dial gauge is detecting slide block near dial framework one side.It also can be displacement transducer.
The method of application of the pick-up unit of above-mentioned piston bridge portion inwall two side center of arc distances is inserted positioning core axle in the axis hole, and the end of positioning core axle is dropped in the pilot hole that detects slide block, and to detecting the slide block location, the reading of adjustment length-measuring appliance is zero; On carry positioning core axle, make the end of positioning core axle leave the pilot hole that detects slide block, detect slide block and can move at the notch of position block level; Piston swash plate socket is measured end near detecting slide block, and at this moment, the reading of length-measuring appliance promptly is the error amount of piston bridge portion inwall two side center of arc distances.
Adopt said structure, the pick-up unit of piston bridge of the present invention portion inwall two side center of arc distances is because before the test; Positioning core axle inserts in the axis hole, and the end of positioning core axle is dropped in the pilot hole that detects slide block, detects slide block and fixes; Because the circular arc radius of detection slide block mensuration end equates with the standard radius of survey piston bridge portion inwall two side circular arcs; Pick-up unit is in standard state, and at this moment, the reading of adjustable length measurement mechanism is zero.During test, on carry positioning core axle (can be encased inside a packing ring), make the end, location of positioning core axle leave the pilot hole that detects slide block; Detecting slide block can move at the notch of position block level, and simultaneously, spring is pressed in the retaining tip near dial framework one side; Make to detect slidingly to have one and measure the power of extreme direction, piston swash plate socket is measured end near detecting slide block, and piston shifted onto be close to position block to detecting slide block; At this moment; The reading of length-measuring appliance promptly is the error amount of piston bridge portion inwall two side center of arc distances, is positive number like the reading of length-measuring appliance, the piston bridge portion inwall two side center of arc that survey apart from less than normal; Reading is a negative, the piston bridge portion inwall two side center of arc that survey apart from bigger than normal.
Therefore, the pick-up unit and the method for piston bridge of the present invention portion inwall two side center of arc distances are not only easy to operate, and accuracy of detection is high, can satisfy the requirement that industrialization is produced.
Description of drawings
Fig. 1 is the structural representation of the pick-up unit of piston bridge of the present invention portion inwall two side center of arc distances;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is that positioning core axle drops on the structural representation that detects slide block location pilot hole;
Fig. 4 is that positioning core axle leaves the structural representation that detects slide block location pilot hole.
Among the figure: the 1-worktable, the 2-position block, the 3-dial framework, the 4-notch, the 5-axis hole, 6-detects slide block; The 7-pilot hole, the 8-positioning core axle, 9-measures end, 10-piston, 11-bridge portion inwall two side circular arcs, 12-spring; 13-keeps off the tip, 14-dial gauge, 15-measuring junction, 16-swash plate socket, 17-packing ring.
Embodiment
Like Fig. 1, shown in Figure 2, the pick-up unit of piston bridge of the present invention portion inwall two side center of arc distances, it has a worktable 1, on said worktable 1, is provided with position block 2 and dial framework 3.The notch 4, the vertical direction that have level on the said position block 2 are provided with axis hole 5, and said axis hole 5 runs through the notch 4 of position block 2 tops to level.
Be inserted with in the said notch 4 and detect slide block 6; Said detection slide block 6 is provided with pilot hole 7 at axis hole 5 correspondence positions; The mensuration end 9 of said detection slide block 6, promptly the end away from dial framework 3 is a circular arc, and the circular arc radius of said mensuration end 9 equates with the standard radius of survey piston 10 bridge portion inwall two side circular arcs 11.Be provided with positioning core axle 8 in the said axis hole 5, the length of said positioning core axle 8 is greater than the length of axis hole 5.
Regular length measurement mechanism on the said dial framework 3, the measuring point of said length-measuring appliance is detecting slide block 6 near dial framework 3 one sides.The present embodiment length-measuring appliance is a dial gauge 14, and the measuring junction 15 of said dial gauge 14 is detecting slide block 6 near dial framework 3 one sides.Certainly, said length-measuring appliance can also be a displacement transducer, because displacement transducer is widely used in linear measure longimetry, therefore, no longer launches here to describe.
Fixing spring 12 on the said position block 2, said detection slide block 6 are provided with the retaining tip 13, and said spring 12 is pressed in the retaining tip 13 near dial framework 3 one sides.Make the sliding power from extreme direction to the detection slide block that measure that has that detects.
The method of application of the pick-up unit of piston bridge of the present invention portion inwall two side center of arc distances; Before the detection, positioning core axle 8 is inserted in the axis hole 5, and the end of positioning core axle 8 is dropped in the pilot hole 7 that detects slide block 6; To detecting slide block 6 location, the reading of adjustment length-measuring appliance is zero.
During detection, on carry positioning core axle 8, make the end of positioning core axle 8 leave the pilot hole 7 that detects slide block 6, detect slide block 6 and can move at the notch 4 of position block 2 levels.For on carry positioning core axle 8, make the end of positioning core axle 8 leave the pilot hole 7 that detects slide block 6, the scheme that this enforcement provides is to be encased inside packing ring 17 at position block 2.
Then, piston 10 swash plate sockets 16 are measured end 9 near detecting slide block 6, at this moment, the reading of length-measuring appliance promptly is the error amount of piston bridge portion inwall two side center of arc distances.
Claims (4)
1. the pick-up unit of piston bridge portion inwall two side center of arc distances; It is characterized in that it has a worktable (1); On said worktable (1), be provided with position block (2) and dial framework (3); The notch (4), the vertical direction that have level on the said position block (2) are provided with axis hole (5), and said axis hole (5) runs through the notch (4) of position block (2) top to level; Be inserted with in the said notch (4) and detect slide block (6); Said detection slide block (6) is provided with pilot hole (7) at axis hole (5) correspondence position; The mensuration end (9) of said detection slide block (6), promptly the end away from dial framework (3) is a circular arc, and the circular arc radius of said mensuration end (9) equates with the standard radius of survey piston (10) bridge portion inwall two side circular arcs (11); Be provided with positioning core axle (8) in the said axis hole (5), the length of said positioning core axle (8) is greater than the length of axis hole (5); Said dial framework (3) is gone up the regular length measurement mechanism, and the measuring point of said length-measuring appliance is detecting slide block (6) near dial framework (3) one sides; Said position block (2) is gone up fixing spring (12), and said detection slide block (6) is provided with the retaining tip (13), and said spring (12) is pressed in the retaining tip (13) near dial framework (3) one sides.
2. the pick-up unit of piston bridge according to claim 1 portion inwall two side center of arc distances is characterized in that said length-measuring appliance is dial gauge (14), and the measuring junction (15) of said dial gauge (14) is detecting slide block (6) near dial framework (3) one sides.
3. the pick-up unit of piston bridge according to claim 1 portion inwall two side center of arc distances is characterized in that said length-measuring appliance is a displacement transducer.
4. the method for application of the pick-up unit of piston bridge according to claim 1 portion inwall two side center of arc distances; It is characterized in that positioning core axle (8) is inserted in the axis hole (5); And the end that makes positioning core axle (8) is dropped in the pilot hole (7) that detects slide block (6); To detecting slide block (6) location, the reading of adjustment length-measuring appliance is zero; On carry positioning core axle (8), make the end of positioning core axle (8) leave the pilot hole (7) that detects slide block (6), detect slide block (6) and can move at the notch (4) of position block (2) level; Piston (10) swash plate socket (16) is measured end (9) near detecting slide block (6), and at this moment, the reading of length-measuring appliance promptly is the error amount of piston bridge portion inwall two side center of arc distances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102836382A CN102003928B (en) | 2010-09-16 | 2010-09-16 | Detection device for center distance of circular arcs on two sides of inner wall of piston bridge and application method of detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102836382A CN102003928B (en) | 2010-09-16 | 2010-09-16 | Detection device for center distance of circular arcs on two sides of inner wall of piston bridge and application method of detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102003928A CN102003928A (en) | 2011-04-06 |
| CN102003928B true CN102003928B (en) | 2012-06-13 |
Family
ID=43811489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102836382A Expired - Fee Related CN102003928B (en) | 2010-09-16 | 2010-09-16 | Detection device for center distance of circular arcs on two sides of inner wall of piston bridge and application method of detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102003928B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322783B (en) * | 2011-08-25 | 2013-07-24 | 桐乡市易锋机械厂 | Piston center distance measuring tool |
| CN102589394B (en) * | 2012-02-08 | 2014-06-18 | 浙江春晖空调压缩机有限公司 | Detection device of swash plate and piston axial matched gap and using method thereof |
| CN103307953A (en) * | 2013-05-23 | 2013-09-18 | 浙江三田汽车空调压缩机有限公司 | Device for detecting clearance of piston hemisphere of automobile air-conditioning compressor and method of device |
| CN112146553B (en) * | 2020-09-24 | 2022-06-10 | 贵州凯星液力传动机械有限公司 | Design method and use method of inner inclined hole position size measuring device |
| CN114646283A (en) * | 2022-04-15 | 2022-06-21 | 东莞利扬芯片测试有限公司 | Hole shaft offset detection jig and operation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2349533Y (en) * | 1998-10-29 | 1999-11-17 | 宝山钢铁(集团)公司 | Central distance measurer |
| CN101173850A (en) * | 2006-10-31 | 2008-05-07 | 扬动股份有限公司 | Method and tool for measuring center distance between two holes with vertical axis |
| CN201081677Y (en) * | 2007-08-03 | 2008-07-02 | 江苏罡阳动力转向器厂 | Utensil is examined to perpendicular crisscross inter-hole centre-to-centre spacing deviation |
| CN201795756U (en) * | 2010-09-16 | 2011-04-13 | 浙江春晖空调压缩机有限公司 | Device for detecting center distance between circular arcs on two sides of inner wall of bridge part of piston |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS639811A (en) * | 1986-07-01 | 1988-01-16 | Mitsubishi Heavy Ind Ltd | Measuring instrument for wear quantity of cylinder liner |
-
2010
- 2010-09-16 CN CN2010102836382A patent/CN102003928B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2349533Y (en) * | 1998-10-29 | 1999-11-17 | 宝山钢铁(集团)公司 | Central distance measurer |
| CN101173850A (en) * | 2006-10-31 | 2008-05-07 | 扬动股份有限公司 | Method and tool for measuring center distance between two holes with vertical axis |
| CN201081677Y (en) * | 2007-08-03 | 2008-07-02 | 江苏罡阳动力转向器厂 | Utensil is examined to perpendicular crisscross inter-hole centre-to-centre spacing deviation |
| CN201795756U (en) * | 2010-09-16 | 2011-04-13 | 浙江春晖空调压缩机有限公司 | Device for detecting center distance between circular arcs on two sides of inner wall of bridge part of piston |
Non-Patent Citations (1)
| Title |
|---|
| JP昭63-9811A 1988.01.16 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102003928A (en) | 2011-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102003928B (en) | Detection device for center distance of circular arcs on two sides of inner wall of piston bridge and application method of detection device | |
| CN102589394B (en) | Detection device of swash plate and piston axial matched gap and using method thereof | |
| CN102506632A (en) | Device for measuring taper hole | |
| CN102087086B (en) | Method for detecting magnetic shoes on large scale | |
| CN201787928U (en) | High-precision pneumatic gauge for measuring bore diameter | |
| CN202255165U (en) | Vernier caliper | |
| CN201795756U (en) | Device for detecting center distance between circular arcs on two sides of inner wall of bridge part of piston | |
| CN103075988A (en) | Device for rapidly detecting inner diameter and height of magnetic shoe housing assembly | |
| CN203037195U (en) | Outer cone inclination steel ball measuring gauge | |
| CN102706262A (en) | Parallelism and height dimension detecting device | |
| CN204730792U (en) | A kind of hand-held internal diameter guide rail conical surface measurement mechanism | |
| CN202329460U (en) | Taper hole measurement device | |
| CN207395612U (en) | A kind of external diameter detection device | |
| CN202676060U (en) | Tool for position measuring of hole and face of connecting rod bolt | |
| CN202522176U (en) | Detection device of swash plate and piston axial matched gap | |
| CN201764939U (en) | Coaxiality and parallelism check tool for air compressor transmission shaft and fuel pump shaft | |
| CN202947581U (en) | Gauge for crankshaft end face connection hole location degree | |
| CN208833133U (en) | A kind of precision gear processing detection device | |
| CN203148362U (en) | Vernier caliper measuring hole-groove symmetry degree | |
| CN205300414U (en) | Notch symmetry gauge | |
| CN105241353A (en) | Aperture chamfering depth detection apparatus | |
| CN201885666U (en) | Surface shape calibrator | |
| CN201449228U (en) | Multifunctional caliper for measuring bearing | |
| CN205691008U (en) | A kind of squareness measuring device | |
| CN103322888B (en) | The detection method of perpendicularity of machine body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20210916 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |