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 PDF

Info

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
Application number
CN2010102836382A
Other languages
Chinese (zh)
Other versions
CN102003928A (en
Inventor
杨晨广
徐少峰
高耀初
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG CHUNHUI AIR CONDITIONER COMPRESSOR CO Ltd
Original Assignee
ZHEJIANG CHUNHUI AIR CONDITIONER COMPRESSOR CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ZHEJIANG CHUNHUI AIR CONDITIONER COMPRESSOR CO Ltd filed Critical ZHEJIANG CHUNHUI AIR CONDITIONER COMPRESSOR CO Ltd
Priority to CN2010102836382A priority Critical patent/CN102003928B/en
Publication of CN102003928A publication Critical patent/CN102003928A/en
Application granted granted Critical
Publication of CN102003928B publication Critical patent/CN102003928B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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

The pick-up unit and the method for application of piston bridge portion inwall two side center of arc distances
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.
CN2010102836382A 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 Expired - Fee Related CN102003928B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 centre distance of two holes with vertical axes
CN201081677Y (en) * 2007-08-03 2008-07-02 江苏罡阳动力转向器厂 Vertically staggered hole pitch error tester
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
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 centre distance of two holes with vertical axes
CN201081677Y (en) * 2007-08-03 2008-07-02 江苏罡阳动力转向器厂 Vertically staggered hole pitch error tester
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)

* Cited by examiner, † Cited by third party
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
CN201885666U (en) Surface shape calibrator
CN201449228U (en) Multifunctional caliper for measuring bearing
CN205691008U (en) A kind of squareness measuring device
CN202350712U (en) Diameter measuring tool for shallow blind holes
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