CN202133367U - Tool for detecting verticality of hole to plane - Google Patents

Tool for detecting verticality of hole to plane Download PDF

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Publication number
CN202133367U
CN202133367U CN201120185864U CN201120185864U CN202133367U CN 202133367 U CN202133367 U CN 202133367U CN 201120185864 U CN201120185864 U CN 201120185864U CN 201120185864 U CN201120185864 U CN 201120185864U CN 202133367 U CN202133367 U CN 202133367U
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CN
China
Prior art keywords
main body
steel ball
pull bar
connecting rod
rotary sleeve
Prior art date
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Expired - Lifetime
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CN201120185864U
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Chinese (zh)
Inventor
杨建辉
王文林
施惠
张勇
冀会平
何青
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YUNNAN XIYI INDUSTRY CO LTD
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YUNNAN XIYI INDUSTRY CO LTD
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Priority to CN201120185864U priority Critical patent/CN202133367U/en
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Publication of CN202133367U publication Critical patent/CN202133367U/en
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Abstract

The utility model discloses a tool for detecting verticality of a hole to a plane, which is mainly used for detecting verticality of a connecting rod large hole central axis to two end faces of various motor vehicles. The technical scheme is that a pull bar movably cooperates with an inner hole of a body, a steel ball is arranged on the body, the steel ball cooperates with a wedge slot of the pull bar, a movable locating block is arranged in a rectangular notch of the body and contacts with the steel ball, a clamping spring is arranged in the body and an annular groove of the movable locating block, the movable locating block is spaced in the rectangular notch via the clamping spring, a rotary sleeve with a dial indicator movably cooperates with the body, and the rotary sleeve can be dismounted. Tests prove that the tool fundamentally overcomes the defects that the original detection device is heavy in weight, weak in precision, low in efficiency and can easily scratch the connecting rod large hole, effectively improves detection quality and work efficiency of the connecting rod, and satisfies needs of the current production.

Description

A kind of instrument that is used for the hole to the plane verticality detection
One, technical field
The utility model belongs to a kind of mechanical form and position tolerance testing tool, is mainly used in the verticality detection of the engine link macropore central axis of various motor vehicles to both ends of the surface.Also be applicable to simultaneously of the detection of other like parts hole central axis to plane verticality.
Two, background technology
Connecting rod ASSY is one of four big vitals of engine; Accuracy requirement is higher; See Fig. 1; Especially the central axis of connecting rod macropore φ
Figure BDA0000066125970000011
is comparatively strict to the requirement of both ends of the surface verticality, can be controlled in the 0.03mm scope according to the requirement difference of various engines.The sideshake that overproof meeting occurs between general assembly back link and the bent axle like verticality is not enough, and casing wall gets rid of rough sledding such as oil mass is not enough, friction loss increasing, engine capacity decline, oil consumption increase.Therefore the control to the big hole perpendicularity of connecting rod is the project of each main engine plants' key monitoring always.My company is as the specialized manufacturer of engine link, and the verticality of connecting rod macropore all must detect when right boring and honing operation.Testing tool originally, as shown in Figure 2, by screw 1, baffle plate 2, spring 3, orienting sleeve 4, movable thimble 5, right pedestal 6, mandrel 8, fixedly thimble 9, left pedestal 10, base plate 11, screw 12, pin 13, spanner 14 etc. are formed.It makes principle: in the mandrel (8) that the connecting rod that will detect (7) penetrates; The operator pulls spanner (14) and down rotates, and level moves right movable thimble (5) in the effect lower edge of spanner (14), abdicates enough spaces; Afterwards the centre hole of mandrel (8) both sides is aligned the fixedly tip position of thimble (9) and movable thimble (5) basically; Decontrol spanner (14) then, movable thimble automatically resets under the effect of spring (3), just can use dial gauge to measure thereby withstand mandrel (8).The deficiency that this pick-up unit exists: 1. this installation weight is heavy, and volume is big, and maneuverability is poor, uses inconvenient operation at production line; 2. the precision of measuring is relatively low, and mandrel 8 cooperates with connecting rod 7 macropores has certain interval, and between 0.02~0.03, the precision of therefore measuring can receive the influence of hole and axle tolerance clearance usually; 3. because the hardness on mandrel surface is higher, and the hardness of connecting rod is lower, therefore when measuring, scratches the connecting rod macropore in the connecting rod disassembly process easily; 4. device need be placed on the higher platform top of precision when measuring, and cooperates the dial gauge that has dial framework, because the limitation in processing place can not be provided with special test desk on the machine next door, therefore, Measuring Time is long, inefficiency.
Three, utility model content
The main task and the purpose of the utility model are: according to existing pick-up unit exist deficiency; Design a kind of in light weight, precision is high, mobility strong, can not scratch the testing tool of connecting rod macropore; Improve quality and efficient that connecting rod detects effectively, satisfy the needs of existing production.
The main technical schemes of the utility model: the structure of testing tool is, a pull bar is cooperated with the endoporus of main body is movable, and steel ball is contained in main body B place; Cooperate with the wedge-shaped slot of pull bar, activity orientation is packaged to be fitted in the main body D place rectangular channel, and contacts with steel ball; Jump ring is assemblied in the ring-shaped groove A of main body and activity orientation piece, the activity orientation piece is limited in the rectangular channel of main body through jump ring, and stop screw is through being threaded in the main body threaded hole; Movable nut is connected with pull bar through screw thread, and height is regulated nut and is connected with main body through screw thread, and rotary sleeve cooperates with subject activity; Realize 360 ° of rotations; And dismounting at any time as required, the table bar is welded on the rotary sleeve, and dial gauge is fixed tightly on the table bar through screw.
The connecting rod that the utility model has been applied to plurality of specifications such as 368Q, 474Q, 465Q, 466Q, 473Q, K12B detects; Facts have proved: reach the development purpose fully; Testing tool volume little, in light weight (about about 1kg), and former pick-up unit (more than about 10kg); Simple to operate, flexible, do not need special platform and dial framework during measurement, easy to carry; High efficiency, with respect to former pick-up unit, shorten over half the detection time of single-piece connecting rod at least; Accuracy in detection is high, because the zero stand-off has been realized in the location of macropore, thus having improved the degree of accuracy of measuring, workpiece does not have the scuffing phenomenon in the testing process simultaneously.
Four, description of drawings
Below in conjunction with accompanying drawing, the utility model is done to describe in further detail.
Fig. 1 is workpiece engine link figure to be detected.
Fig. 2 is a pick-up unit assembling synoptic diagram of the prior art.
Fig. 3 is the assembly structure figure of the utility model.
Fig. 4 is that Fig. 3 gets except that rotary sleeve 17, movable nut 18, pull bar 19, height and regulates the vertical view behind the nut 20.
Fig. 5 is the front view of the main body 24 of the utility model.
Fig. 6, the C-C that is Fig. 5 is to cut-open view.
With reference to Fig. 3,4,5,6; Main technical schemes to the utility model describes, and testing tool is regulated nut 20, steel ball 21, jump ring 22, activity orientation piece 23, main body 24, stop screw 25, dial gauge 26 etc. and formed by screw 15, table bar 16, rotary sleeve 17, movable nut 18, pull bar 19, height.Its concrete structure: a pull bar 19 is cooperated with the endoporus of main body 24 is movable, and steel ball 21 is contained in main body 24B place, cooperates with the wedge-shaped slot of pull bar 19; Activity orientation piece 23 is assemblied in the rectangular channel at main body 24D place, and contacts with steel ball 21, and jump ring 22 is assemblied in the ring-shaped groove A of main body 24 and activity orientation piece 23; Activity orientation piece 23 is limited in the rectangular channel of main body 24 through jump ring 22, stop screw 25 is through being threaded in main body 24 threaded holes, and movable nut 18 is connected with pull bar 19 through screw thread; Height is regulated nut 20 and is connected with main body 24 through screw thread; Rotary sleeve 17 and 24 movable cooperations of main body can be realized 360 ° of rotations, and dismantled and assembled; Table bar 16 is welded on the rotary sleeve 17, and dial gauge 26 is fixed tightly on the table bar 16 through screw 15.
With reference to Fig. 3,4, the parts peculiar that the utility model is used is all produced with carbon tool steel; The effect that described height is regulated nut 20 is an adjusting activity nut 18 and the length and be that movable nut 18 is screwed and provided support the plane of being threaded of pull bar 19; The effect of described stop screw 25 is through the distance of stopper slot restriction pull bar vertical moving about in the of 19 and prevents that pull bar from rotating.
With reference to Fig. 3,4, the principle of work of the utility model: a, at first take off rotary sleeve 17, adjusting activity nut 18 is regulated nut 20 with height; Make both draw back certain distance; Press movable nut 18 again, because the wedge-shaped slot on the pull bar 19, activity orientation piece 23 and steel ball 21 are under the effect of jump ring 22; To the inboard contraction of diameter, abdicate the space for adorning workpiece connecting rod 7 to be detected; B, load onto connecting rod 7 after; Movable nut 18 is up carried, and steel ball 21 promotes activity orientation piece 23 side shifting distending outside diameter under the wedge-shaped slot angle effect of pull bar 19, is adjacent to the tie rod holes inwall simultaneously until activity orientation piece 23 and two fixing positioning boss (see figure 4)s that are distributed on the main body 24; Activity nut 18 then turns clockwise; Make movable nut 18 and height regulate nut 20 lockings, after the locking, pull bar 19, steel ball 21, activity orientation piece 23 all can not produce mobile; C, the rotary sleeve 17 that then dial gauge will be housed are contained on the fitted shaft of main body 24, just can carry out 360 ° of wheel measurings to connecting rod, and the hole central axis directly reads from dial gauge the verticality value of both ends of the surface; After d, measurement are accomplished, take off rotary sleeve 17, be rotated counterclockwise movable nut 18; After certain gap is abdicated on the last plane of regulating nut 20 with height, press movable nut 18, steel ball 21 and activity orientation piece 23 are under the effect of jump ring 22; Shrink to the diameter medial movement, take out workpiece connecting rod 7 this moment.

Claims (1)

1. one kind is used for the instrument that the hole is detected plane verticality; It is characterized in that: testing tool is regulated nut (20), steel ball (21), jump ring (22), activity orientation piece (23), main body (24), stop screw (25), dial gauge (26) by screw (15), table bar (16), rotary sleeve (17), movable nut (18), pull bar (19), height and is formed, and its concrete structure is that a pull bar (19) is cooperated with the endoporus activity of main body (24); Steel ball (21) is contained in main body (24) B place; Cooperate with the wedge-shaped slot of pull bar (19), activity orientation piece (23) is assemblied in main body (24) the D place rectangular channel, and contacts with steel ball (21); Jump ring (22) is assemblied in the ring-shaped groove A of main body (24) and activity orientation piece (23); Through jump ring (22) activity orientation piece (23) is limited in the rectangular channel of main body (24), stop screw (25) is through being threaded in main body (24) threaded hole, and movable nut (18) is connected with pull bar (19) through screw thread; Height is regulated nut (20) and is connected with main body (24) through screw thread; Rotary sleeve (17) cooperates with main body (24) is movable, can realize 360 ° of rotations, and dismantled and assembled; Table bar (16) is welded on the rotary sleeve (17), and dial gauge (26) is fixed tightly on the table bar (16) through screw (15).
CN201120185864U 2011-06-03 2011-06-03 Tool for detecting verticality of hole to plane Expired - Lifetime CN202133367U (en)

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Application Number Priority Date Filing Date Title
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102749019A (en) * 2012-07-23 2012-10-24 江苏松林汽车零部件有限公司 Special inspection device for measuring perpendicularity of end surface of big-end hole of connecting rod
CN102749018A (en) * 2012-07-23 2012-10-24 江苏松林汽车零部件有限公司 Method for measuring verticality of end surface of connecting rod big end hole
CN104457528A (en) * 2014-12-15 2015-03-25 四川绵竹鑫坤机械制造有限责任公司 Hole and end face perpendicularity test tool
CN104723301A (en) * 2015-03-27 2015-06-24 安徽江淮汽车股份有限公司 Horizontal workbench for measuring universal type engine piston connecting rods
CN109029221A (en) * 2018-06-26 2018-12-18 嘉兴学院 Gas compact form connector sleeve levelness detecting device and connector sleeve detection method
CN109029222A (en) * 2018-06-26 2018-12-18 嘉兴学院 Circular tube end face levelness both ends are the same as survey rolling type detection device and detection method
CN109664184A (en) * 2019-01-30 2019-04-23 浙江西南工具有限公司 Compressor semi-circular blades clamp and its equipment for grinding
CN112611302A (en) * 2020-11-27 2021-04-06 松下压缩机(大连)有限公司 Measuring device for detecting perpendicularity of crankshaft and upper support of compressor

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102749019A (en) * 2012-07-23 2012-10-24 江苏松林汽车零部件有限公司 Special inspection device for measuring perpendicularity of end surface of big-end hole of connecting rod
CN102749018A (en) * 2012-07-23 2012-10-24 江苏松林汽车零部件有限公司 Method for measuring verticality of end surface of connecting rod big end hole
CN104457528A (en) * 2014-12-15 2015-03-25 四川绵竹鑫坤机械制造有限责任公司 Hole and end face perpendicularity test tool
CN104723301A (en) * 2015-03-27 2015-06-24 安徽江淮汽车股份有限公司 Horizontal workbench for measuring universal type engine piston connecting rods
CN104723301B (en) * 2015-03-27 2016-03-30 安徽江淮汽车股份有限公司 A kind of control apparatus for general purpose engine piston rod measurement horizontal table
CN109029221A (en) * 2018-06-26 2018-12-18 嘉兴学院 Gas compact form connector sleeve levelness detecting device and connector sleeve detection method
CN109029222A (en) * 2018-06-26 2018-12-18 嘉兴学院 Circular tube end face levelness both ends are the same as survey rolling type detection device and detection method
CN109029221B (en) * 2018-06-26 2020-05-12 嘉兴学院 Air-tight type connecting sleeve levelness detection device and connecting sleeve detection method
CN109029222B (en) * 2018-06-26 2020-06-12 嘉兴学院 Rubbing type detection device and detection method for measuring levelness of end face of circular tube at two ends simultaneously
CN109664184A (en) * 2019-01-30 2019-04-23 浙江西南工具有限公司 Compressor semi-circular blades clamp and its equipment for grinding
CN112611302A (en) * 2020-11-27 2021-04-06 松下压缩机(大连)有限公司 Measuring device for detecting perpendicularity of crankshaft and upper support of compressor

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Granted publication date: 20120201